What makes stem cells into perfect allrounders – Phys.org – Phys.Org
By raymumme
June 27, 2017 Just a few days old embryonic cell clusters: with functional Pramel7 (left), without the protein (right) the development of the stem cells remains stuck and the embyos die. Credit: Paolo Cinelli, USZ
Researchers from the University of Zurich and the University Hospital Zurich have discovered the protein that enables natural embryonic stem cells to form all body cells. In the case of embryonic stem cells maintained in cell cultures, this allrounder potential is limited. Scientists want to use this knowledge to treat large bone fractures with stem cells.
Stem cells are considered biological allrounders because they have the potential to develop into the various body cell types. For the majority of stem cells, however, this designation is too far-reaching. Adult stem cells, for example, can replace cells in their own tissue in case of injury, but a fat stem cell will never generate a nerve or liver cell. Scientists therefore distinguish between multipotent adult stem cells and the actual allrounders - the pluripotent embryonic stem cells.
Epigenetic marks determine potential for development
Differences exist even among the true allrounders, however. Embryonic stem cells that grow in laboratory cell cultures are in a different state than the pluripotent cells found inside the embryos in the first days of development. In a study in the journal Nature Cell Biology, researchers led by Paolo Cinelli of the University Hospital Zurich and Raffaella Santoro of the University of Zurich have now demonstrated the mechanism by which natural allrounders differ from embryonic stem cells in cultures.
At the center of their discovery is a protein called Pramel7 (for "preferentially expressed antigen in melanoma"-like 7) found in the cells of embryonic cell clusters that are just a few days old. This protein guarantees that the genetic material is freed from epigenetic marks consisting of chemical DNA tags in the form of methyl groups. "The more methyl groups are removed, the more open the Book of Life becomes," Cinelli says. Since any cell of the human body can develop from an embryonic stem cell, all genes have to be freely accessible at the beginning. The more a cell develops or differentiates, the stronger its genetic material is methylated and "sealed closed" again. In a bone cell, for example, only those genes are active that the cell requires for its function, the biochemist explains.
Protein is responsible for perfect pluripotency
Despite its short action period of just a few days, Pramel7 seems to play a vital role: When the researchers headed up by Cinelli and Santoro switched off the gene for this protein using genetic tricks, development remained stuck in the embryonic cell cluster stage. In the cultivated stem cells, on the other hand, Pramel7 is rarely found. This circumstance could also explain why the genetic material of these cells contains more methyl groups than that of natural embryonic cells - the perfect allrounders, as Cinelli calls them.
Using the stem cell function to regenerate bone tissue
His interest in stem cells lies in the hope of one day being able to help people with complex bone fractures. "Bones are great at regenerating and they are the only tissue that does not build scars," Paolo Cinelli says. The bone stumps must be touching, however, in order to grow together. When a bone breaks in multiple places and even through the skin, for example, in a motorcycle accident, the sections of bone in between are often no longer usable. For such cases, a bone replacement is required. His team is studying carrier materials that they want to populate with the body's own stem cells in the future. "For this reason, we have to know how stem cells work," Cinelli adds.
Explore further: New tools to study the origin of embryonic stem cells
More information: Urs Graf et al, Pramel7 mediates ground-state pluripotency through proteasomalepigenetic combined pathways, Nature Cell Biology (2017). DOI: 10.1038/ncb3554
Researchers at Karolinska Institutet have identified cell surface markers specific for the very earliest stem cells in the human embryo. These cells are thought to possess great potential for replacing damaged tissue but ...
An International Reserach Team coordinated by Igb-Cnr has discovered a key role of vitamins and amino acids in pluripotent stem cells. The research is published in Stem Cell Reports, and may provide new insights in cancer ...
Scientists have discovered the gene essential for chemically reprogramming human amniotic stem cells into a more versatile state similar to embryonic stem cells, in research led by UCL and Heinrich Heine University.
Pre-eclampsia is a disease that affects 5 to 8 percent of pregnancies in America. Complications from this disease can lead to emergency cesarean sections early in pregnancies to save the lives of the infants and mothers. ...
Oxygen in the air is well known to cause damaging rust on cars through a process known as oxidation. Similarly, a research group at Lund University in Sweden, has now identified that certain cells during embryonic development ...
Human stem cells that are capable of becoming any other kind of cell in the body have previously only been acquired and cultivated with difficulty. Scientists at the Max Delbrck Center for Molecular Medicine (MDC) in the ...
Photosynthesis is one of the most complicated and important processesresponsible for kick-starting Earth's food chain. While we have modeled its more-than-100 major steps, scientists are still discovering the purpose of ...
Whether or not society shakes its addiction to oil and gasoline will depend on a number of profound environmental, geopolitical and societal factors.
The actions of a protein used for DNA replication and repair are guided by electrostatic forces known as phosphate steering, a finding that not only reveals key details about a vital process in healthy cells, but provides ...
Worker and queen honeybees exposed to field realistic levels of neonicotinoids die sooner, reducing the health of the entire colony, a new study led by York University biologists has found.
Scientists from The University of Texas at Austin took an important step toward safer gene-editing cures for life-threatening disorders, from cancer to HIV to Huntington's disease, by developing a technique that can spot ...
If aliens sent an exploratory mission to Earth, one of the first things they'd noticeafter the fluffy white clouds and blue oceans of our water worldwould be the way vegetation grades from exuberance at the equator ...
Please sign in to add a comment. Registration is free, and takes less than a minute. Read more
See the original post here:
What makes stem cells into perfect allrounders - Phys.org - Phys.Org
Is doubling our life span desirable? – Price Sun Advocate
By JoanneRUSSELL25
The times, they are a-changing.
Since Gregor Mendel unwittingly became the father of genetics by writing down his botanical observations, we have been progressing along swimmingly in our understanding and application of biology.
In the past few years, we ourselves have made some measured leaps forward in the field of biotechnology, some small someless so. Yet with the monumental achievements we have made thus-far from the advent of vaccines to our understanding of how our bodies age and degenerate, we have yet to make that quantum leap forward. That quantum leap may itself not be that far off and if anything is a good indicator of that its observable in the nature of the biotech we are currently developing.
With any huge leap forward, however, come new challenges and a slew of new questions that desperately need to be answered.
This next step in our journey isnt quite like when we eradicated major diseases or began transplanting organs because it isnt about extending human life a mere few additional years. We are taking about a doubling in the years a human may live. Thats right, double.
Now, before you write this off as sci-fi or wishful thinking, let me walk you through exactly what breakthroughs are currently occurring. It all has to do with CRISPR gene-line editing and 3-dimensional printing.
We are at the point where we can take normal somatic cells like the ones from your skin, coax them back into stem cells then re-engineer them into just about any type of cells we want. This means shortly we will be able to take skin cells and make them into heart tissue, or liver, or pancreatic or any number of different ones.
Next, the advances in 3-dimensional printing may shortly be able to take your newly minted cells and print them onto a blank scaffolding in the shape of just about any organ you may need.
Think of that: if you need a new heart it could be as simple as scratching some skin from your arm, reprogramming the cells and then printing you a whole new organ. Not a transplant from a donor, your own cells. This means no rejection and no waitlists. When an organ fails we replace it, again and again and again.
What is to become of a human race that is capable of living seemingly without end? This brings up some serious questions that would have to be answered quickly.
For starters, we see that the current population growth of our species is unsupportable as we resist green energies and advanced farming methods. If humans were to begin to live twice as long or longer we must figure out what we are going to do.
Now the radicals would suggest we simply control the populations but I dont believe that is necessary or even morally right. All we must do is increase our carrying capacity. I must admit that was not my own musing but one my father suggested to me.
If we are able to increase how much food and energy we produce without damaging the planet there is virtually no limit to how many humans can live at once. But the question is, will we resist it as we are now? Will the prospect of living healthily well over a century spur us to begin to accept scientific consensus? Or will we continue down our current path of selfishness and greed? Only time will tell.
Excerpt from:
Is doubling our life span desirable? - Price Sun Advocate
Large-scale Production of Living Brain Cells Enables Entirely New Research – Laboratory Equipment
By LizaAVILA
Important pieces of the puzzle to understand what drives diseases such as Alzheimer's and Parkinson's are still missing today. One crucial obstacle for researchers is that it is impossible to examine a living brain cell in someone who is affected by the disease. With the help of a new method for cell conversion, researchers at Lund University in Sweden have found a way to produce diseased, aging brain cells on a large scale in a cell culture dish.
After performing a biopsy on the patient, the skin cells are transformed into brain cells that effectively imitate the disease and the age of the patient. The fact that the cells can now be produced in large quantities enables researchers to carry out a series of experiments that were previously not possible.
A few years ago, Malin Parmar's research team was one of the first in the world to convert human skin cells directly into brain cells without passing the stem cell state. The discovery shocked the researchers and was perceived as almost impossible. The team is now approaching a point where the discovery is about to bear fruit on a wide scale. By following a new method that involves slightly changing the genetic code that triggers cell conversion, the researchers were able to multiply the production of disease-specific brain cells.
"Primarily, we inhibited a protein, REST, involved in establishing identity in cells that are not nerve cells. After limiting this protein's impact in the cells during the conversion process, we've seen completely different results. Since then, we've been playing around with changing the dosage of the other components in the previous method, which also proved effective. Overall, the efficiency is remarkable. We can now generate almost unlimited amounts of neurons from one skin biopsy", says Malin Parmar, professor of developmental and regenerative neurobiology at Lund University.
The increase in production will have far-reaching effects. The new volumes enable research projects that were simply not viable before. Among other things, it opens up research areas linked to new drug testing, the establishment of more accurate disease models and the development of diagnostics to detect the diseases at an earlier stage.
The new cells are not only able to imitate the disease but also the patient's age. By studying the cell in the culture dish, the researchers can now monitor the mechanisms of the disease in an "old" brain cell over time. Neurodegenerative diseases are commonly referred to as "aging brain diseases" and in order to understand them, we must better appreciate how the age specifically affects the course of the disease. The Lund researchers' discovery can hopefully contribute a crucial piece to the puzzle with regard to the connection between the onset of disease and cell aging, something which previous research based on animal experiments and stem cells has failed to provide.
"This takes us one step closer to reality, as we can now look inside the human neurons and see what goes on inside the cell in these diseases. If all goes well, this could fundamentally change the field of research, as it helps us better understand the real mechanisms of the disease. We believe that many laboratories around the world would like to start testing on these cells to get closer to the diseases", says Johan Jakobsson, leader of the molecular neurogenetics research group at Lund University.
See more here:
Large-scale Production of Living Brain Cells Enables Entirely New Research - Laboratory Equipment
Making Babies, No Sex Necessary – The Atlantic
By raymumme
In the future, when a couple wants to reproduce, they will not make a baby in a bed or in the backseat or a car, or under a Keep Off the Grass sign, says Henry Greely, the director of the Center for Law and the Biosciences at Stanford Law School.
Instead, they will go to a clinic. Using stem cells from the couples skin or other non-reproductive organs, scientists will be able to make eggs and sperm, which will be combined into embryos. Each of those embryos will have its own gene sequence, Greely says. The parents will be asked: What do you want to know about these embryos? And theyll be told.
Twenty or 30 years from now, parents will be able to screen their potential kids for genetic abnormalities, pre-disposal to disease, sex, and even cosmetic features like hair, eye, and skin color, Greely claims. The new way of baby-making will save women the pain of going through fertility treatments, he says, and it will prevent disease, save health-care costs, and give non-traditional families more chances to have children. If this reproductive future comes to pass, it will also come with a tangle of moral, legal, and medical questionsones that wont be easy to resolve, despite what Greely may think.
When Greely tells people about his theorywhich is the subject of his 2016 book, The End of Sex and the Future of Human Reproductionthey tend to say, This is Gattica, or this is Brave New World, he said during an interview with the New York Times reporter Carl Zimmer on Monday at the Aspen Ideas Festival, which is co-hosted by the Aspen Institute and The Atlantic. Greely is skeptical of this argument. This is not designer babies. This is not super babies. This is selecting embryos, he said.
Greely gets some of his confidence from the limits of science. Geneticists likely wont be able to predict kids behavioral traits, he said, like their aptitude for math or agility on a sports field. But they may be able to anticipate some traits, like intelligence, in broad strokes. Being able to tell parents that this embryo has a 60 percent chance of being in the top half [of their school class], this embryo has a 13 percent chance of being in the top 10 percentI think thats really possible, he said.
Scientists have been screening embryos using a process called preimplantation genetic diagnosis, or PGD, for two and half decades, Greely said. This allows for the detection of some genetic diseases, as well as determining the sex of the embryo. Up until now, it has been expensive and arduous, but with new technologyincluding the expanded use of stem cellsit will become easy, he said. The people most likely to lead the way on easy PGD are those with fertility trouble, he argues, or those who cant have their own biological kids, including same-sex couples. For these people, the process seems to be a clear potential win: Once hopeless, they may soon be able to have biological children of their own.
But if the process does indeed advance in the way Greely predicts, it will come with big ethical challenges. Safety is a big issue, he said. Coercion is a big issue: Will you be forced to do this? No matter how easy PGD becomes, it will always be expensive, meaning that babies from rich families would gain even more advantages over other people before they leave the womb. The procedure also challenges the disability-rights movement, Greely pointed out: It implicitly suggests that some traits, and thus some people, are preferable to others.
Theres very little about our modern lives that a God from 3000 years ago would have expected.
Some critics may also claim this process is against Gods will, Greely added. I dont have a lot of confidence in the intellectual strength of that argument, but I think it has a lot of visceral support.
Despite Greelys skepticism, this seems to be the greatest potential objection to a world of skin-cell babies and intensive genetic screening: It assumes that the creation of life is a matter of pipettes and petri dishes, not something greater. While the widespread use of contraceptives has largely divorced sex from procreation, this process would represent the final severing. As Greely pointed out, the very meaning of sex would change. Most people have sex and it doesnt result in a baby, he said. They do it because they like it. They do it as a token of love. They do it because theyre forced to. They do it to make money. Pleasure, ultimately, will be a main driver of sex, he added.
For the many peoplereligious or notwho believe that life is not ultimately a matter of science, the world of easy PGD may seem disorienting, even morally disturbing. But Greely didnt think religious or moral arguments could persuade someone like him, or society more broadly, that easy PGD isnt a good idea.
If you, coming from a Catholic background, try to convince me, coming from a non-Catholic background ... that wouldnt work for me, he said. I need a more intellectual argument than one based on my faith or the tablets brought down from the mountain for me say this. Theres very little about our modern lives thats natural or what a God from 3000 years ago would have expected or wanted, including all of modern medicine.
As head-spinning as these theoretical ethical challenges are, perhaps easy PGD wont be as common as Greely thinks. After all, he joked, were never going to get rid of teenagers in the back seat of a car.
Go here to see the original:
Making Babies, No Sex Necessary - The Atlantic
U team discovers ‘powerhouse’ new treatment in fight against deadly skin disease – Southernminn.com
By raymumme
Jonathan Pitre is a teenager who loves to write science fiction as an escape from the painful disease that causes his body to be coated with wounds.
But the breakthrough bone-marrow transplant he just received at the University of Minnesota is anything but fantasy.
A decade after performing the worlds first bone marrow transplants to treat epidermolysis bullosa a rare and potentially fatal skin disease university researchers believe they have discovered a powerhouse new formula that advances their research, helps the body grow new skin and will allow patients such as Pitre, 17, to live longer, less painful lives.
Its really not miraculous. It certainly isnt science fiction, said Dr. Jakub Tolar, director of the Us stem cell institute and the world leader in transplant therapies for EB. Its based on the hard work of our predecessors. You accomplish something and then you use that knowledge to enhance the next step and the next step.
When they conducted the first transplants using donor bone marrow and umbilical cord blood in 2007, Tolar and colleagues were trying to produce a collagen that binds skin together and is lacking in EB patients. But they had little certainty about the types of cells that would work best.
Since then, research discoveries have allowed them to home in on mesenchymal stem cells, which they believe are uniquely good at bullying their way into the body and producing the missing collagen.
This is the first time ever, that I know of, when you are infusing them with the goal that these cells will stay, Tolar said. They will graft into the skin, set up shop there. Its as if these mesenchymal stem cells are coming home.
The doctors have also focused on transplants involving bone marrow from relatives, which is more familiar to the body and less likely to be rejected by the recipients.
A transplant like Jonathans occurs in a one-two punch. After receiving radiation and chemotherapy treatments to suppress the immune system, the patient receives an infusion of hematopoietic blood stem cells from a donor. Their job in this procedure is to give the patient a new immune system that wont reject the donors mesenchymal cells when they are transplanted later.
Since the U received federal approval last fall to offer the treatment experimentally, seven patients have undergone the procedure.
Tolar said all seven are progressing though Jonathan needed a second transplant this spring because the first one failed to knock out his old immune system.
Jonathan suffered an infection after his most recent transplant, which forced him to return to the hospital this month with high fevers and blisters on his face and mouth. Even so, Jonathans mother, Tina Boileau, said she has been taking pictures since the latest transplant to document the progress for her son, whose back is covered with wounds but for a healthy spot on his right shoulder blade.
Theyre actually in scabs, a sign of healing, said Boileau, who was the bone marrow donor for her sons transplant. Which Ive never seen before.
10 patients died
EB afflicts about one in every 30,000 to 50,000 people, though some forms are more severe than others. While it is known largely for the grotesque skin wounds it causes, the disease is often fatal because it leads to severe infections or skin cancers. It can also create internal wounds to the patients digestive tract, which impairs eating.
The desperation of children with the disorder and their families compelled the first transplants at the university in 2007. Even using the old approach, about two-thirds of patients saw improvements, but 10 of the first 30 recipients died from their diseases or complications of treatment.
The Us latest success with mesenchymal stem cells might end up being an incremental step. Earlier this year, Tolar and his colleagues published research showing success in an even more advanced therapy: laboratory testing using gene editing that can reprogram the patients cells to produce healthy skin cells and tissue.
Further successes could lead to clinical trials in which a patients own dysfunctional cells would be reprogrammed, preventing the need for chemotherapy and the replacement of their immune systems.
Before they came to the U, Boileau said, her son had run out of options. Managing his pain, once possible with over-the-counter Advil, had come to require opioid painkillers such as methadone. That made him groggy and complicated his already awkward life at school back home in Ottawa. Jonathan wasnt even able to eat lunch in the school cafeteria for fear of being accidentally bumped and suffering fresh wounds.
Then the Canadian government approved funding to make him his countrys first recipient of an experimental bone marrow transplant for EB. And his home community rallied to support the family. Among other things, he has visited with pro hockey players from the Ottawa Senators, which also issued a contract adding him to their scout staff.
After seeing the pain her son has endured, Boileau said shell never complain about a blister from new shoes. She marvels at his optimism and his use of science fiction reading and writing to escape.
Inspired by the success of Christopher Paolini, who wrote the acclaimed Eragon science fiction novel as a teen, Jonathan has resolved to write his own science fiction book about a teen who develops the ability to overcome EB. The project resulted in long visits and e-mail exchanges between Tolar and his patient about medicine and physics, because Jonathan wants his story grounded in reality.
Theyre almost soul mates, Boileau said.
Tolar said he enjoys the intellectual relationship and that his patient is providing an example of hope and teaching others about the disease: He may be the only person [who] can bring this kind of view to others, Tolar said.
Original post:
U team discovers 'powerhouse' new treatment in fight against deadly skin disease - Southernminn.com
Say Goodbye to Hair Loss and Hello to Body Regeneration – TrendinTech
By LizaAVILA
If youve ever been concerned about hair loss in the past, this could be your lucky day. A new experiment carried out by Michael Rosenblum, assistant professor of dermatology at the University of California has proved just how useful regulatory T cells (tregs) are when it comes to hair loss. Previously scientists were led to believe that these cells single task was to inform other cells when to attack. However, what Rosenblum discovered when he shaved the mouse he was experimenting on, he noticed that the hair never grew back.
From the study, Rosenblum and team discovered that tregs in the skin had high levels of Jagged 1 (Jag1) which has the duty of calling in the stem cells through a process called Notch signaling. Removing the tregs reduced the notch signaling and when Jag1 was added the stem cells were called which then activated the process of follicle regeneration.
This study will be of particular interest to one type of hair loss sufferer: those with alopecia areata. This is an autoimmune disease that impedes hair follicle regeneration and affects as many as 1.7 percents of the U.S. population. Until now, very little has been known about what causes hair loss, but this research will give doctors and scientists everywhere new direction and a potential cure.
As well as hair regeneration, this process could be used to correct other skin related problems such as wound repair. What we found here is that stem cells, and immune cells have to work together to make regeneration possible, says Rosenblum. So dont despair if youre losing your hair, help is on the way!
Related Links;
More News to Read
comments
The rest is here:
Say Goodbye to Hair Loss and Hello to Body Regeneration - TrendinTech
$5 High-Quality Skin Care ExistsHere’s the Proof – NewBeauty Magazine (blog)
By LizaAVILA
One of the coolest things about working in the beauty industry is being in the know and having the ability to tell readers, friends and family about a new product or brand that really works the way it claims. When Beauty Pie, the self-professed Buyers Club for Beauty Addicts came onto the scene and the cosmetic line was just as good as it promised, it was an exciting discovery. Most luxury beauty products retail for about 10x what they actually cost to make, is one of Beauty Pies mantras, and now the "Netflix of Beauty" is out to revolutionize the skin carebuying process the same way it did with makeup when it launched six months ago.
You May Also Like: I Tried the Netflix of Beauty and the $2$4 Products Are Totally Legit
The digital-only, UK-based brand was started by Marcia Kilgore, founder of other notable brands like Bliss Spa and Soap & Glory, so its no wonder that the membership club has now ventured into skin care, too. Now, a monthly membership of just $10 allows you to not only buy high-quality $7 foundations, $3 mascaras and $5 lipsticks, but you can also get all of your skin care needs meet for less than $13.
For the launch of its new skin care line, Beauty Pie has tapped the best Swiss suppliers and leading cosmetic chemists to create a line with ingredients and formulations that rival high-end luxury brands. The 11 newly released products range from the hydrating Swiss-Korean Jeju Daily Antioxidant Superinfusion Essence Serum ($8 for members/ $80 for nonmembers) and the creamy Double-Phase Daily Deep Rinse-Off Cleanser ($5 for members/ $32 for nonmembers) to a Fruitzyme Five Minute Facial ($6 for members/ $60 for nonmembers).
With ingredients like kiwiberry stem cells, meadowfoam seed oils, pomegranate enzymes and oil-absorbing kaolin clay, were excited to try the serums, masks, moisturizer, cleanser and eye cream and judge for ourselves whether the products stand up to their makeup counterparts. Beauty Pie's concept of luxury products at factory prices is a concept that will never get old and one worthy of throuougly exploring.
Here is the original post:
$5 High-Quality Skin Care ExistsHere's the Proof - NewBeauty Magazine (blog)
Hot air: Triona McCarthy on how to smeel good – Independent.ie
By NEVAGiles23
Hot air: Triona McCarthy on how to smeel good
Independent.ie
Want to smell good, look good, and feel fantastic? The scentsational Triona McCarthy shows us her weekly round-up of lotions and potions to keep you looking hawt!
http://www.independent.ie/life/hot-air-triona-mccarthy-on-how-to-smeel-good-35845624.html
http://www.independent.ie/incoming/article35592585.ece/c3491/AUTOCROP/h342/mg%20Trionna.jpg
Want to smell good, look good, and feel fantastic? The scentsational Triona McCarthy shows us her weekly round-up of lotions and potions to keep you looking hawt!
Created by an Irish female natural beauty entrepreneur, YourBeautyTonic has everything your skin needs to boost beauty. Its key ingredients, collagen and hyaluronic acid, are the building blocks of youthful skin, and it also contains vitamins and minerals.
YourBeautyTonic, above, costs 59.95 for 30 days' supply, and is available from independent health stores, selected pharmacies and online at yourtonic.com
WAX ON, WAX OFF...
I'm off to Inchydoney, in west Cork this weekend, so I'm waxed.
The gals at Brazilia are so profesh, and they make the waxing experience so easy, painless, and, actually, almost pleasurable.
I don't know if I'm quite ready to rock a teeny-weny little bikini like Emily Ratajkowski, above, but you never know!
Brazilia, 50 South William St, D2, tel: (01) 675-0000; 4 Sandyford Office Park, D18, tel: (01) 293-4858, or see brazilia.ie
LET US SPRAY
Image PREVENTION + Pure Mineral Sunscreen Spray 30+ SPF, below, 47.50, is so quick and effective. Before walking Maxi and Mini to Montessori in the morning, I cleanse and moisturise my face, and spray on this ultra-lightweight, anti-pollution, anti-aging, pure mineral sunscreen spray with superior UVA/UVB and infrared protection.
Infused with antioxidants and plant stem cells, it nourishes and hydrates my skin with organic ingredients, including jojoba and sweet almond oil - and, best of all, it's free of parabens and chemicals.
TRIONA'S TRICK
We have my kiddies, Maxi and Mini, to thank for this week's beauty trick. If, like me, you don't like your Beauty Blender sponge getting all grubby in the bottom of your make-up bag, simply pop it into an empty Kinder Egg container to protect it!
CULT PRODUCT
Inspired by Poppy Delevingne's wedding make-up, this Charlotte Tilbury Instant Look In A Palette, above, 69, in Beauty Glow, is perfect for popping in your purse for on the go - goof-proof glam, as it has everything a gal needs to get gorgeous.
This is the fourth versh released, and definitely my fave, as the rose-gold and bronze tones are darker and more dramatic. I found the previous versions a bit too wishy-washy colour-wise, whereas this slays.
TRIONA'S TOP TIP
'Summer lovin' had me a blast,
Summer lovin' happened so fast'
I love a bit of Grease, but not on my head!
However, if like me, you have long hair and it's leaving you hot and bothered this summer, why not try a chic model-off-duty topknot.
Kate Moss pulls this look off so well, making it look stylish and hot, yet so nice and cool, as the hair's up and off your neck.
Best of all, a high bun has a cheekbone-lifting effect, so it's a win-win.
Slick your hair back with Shockwaves Ultra Strong Power Hold Gel, above, 2.50, which also helps fight frizzy fine hairs around your forehead, making you look hot in a good way!
If you're hitting the beach, make sure to layer this Philip Kingsley Sun Shield, below, 30, marksandspencer.ie, as hair can burn just like the skin when it's left unprotected.
This super-lightweight nourishing mist provides an invisible shield of protection over the hair. I always make sure I have it in my beach bag for myself and Will and the kids.
Best of all, it guards against colour fade from sun exposure, and diminishes damage and dryness caused by UV rays, chlorine and salt water.
'Summer days driftin' away, to uh-oh those summer nights'
Sunday Independent
Visit link:
Hot air: Triona McCarthy on how to smeel good - Independent.ie
After two stem cell transplants and several rounds of chemo, ‘now he’s just like a normal 2-year-old’ – GoDanRiver.com
By daniellenierenberg
When Shannon DeAndrea saw a knot on her 18-month-old sons head last July, she thought he had just fallen.
But more popped up and wouldnt go away. He also began feeling sick.
I finally decided he needed to see a pediatrician, said DeAndrea, who lives in Blairs.
She was told he had ear infections and her son, Nathan, was put on rounds of antibiotics. The knots were normal, she was told.
Another medical provider said he looked anemic. Blood work revealed his hemoglobin was dangerously low.
We ended up in the ER, DeAndrea said. They couldnt figure out why he was anemic.
Shannon and Nathan were sent to Roanoke, where he was diagnosed with a stage 4 neuroblastoma on Aug. 23. He had a tumor in his abdomen that spread to his bone marrow. He had spots on his skull, ribs and spine.
Neuroblastomas are cancers that begin in early nerve cells of the sympathetic nervous system, according to the American Cancer Society.
Since his diagnosis, her son now 2 has had several rounds of chemotherapy and two stem cell transplants and is doing well.
Now hes just like a normal 2-year-old, DeAndrea said. Hes running around with his sister. Hes eating well.
Dr. William Clark is associate professor of medicine and attending physician at Virginia Commonwealth University Massey Cancer Center Stem Cell Transplantation Program. Clark said the procedure is used for conditions including multiple myeloma, lymphoma, sickle cell anemia and leukemia.
Stem cell transplants are used to replace bone marrow that has been destroyed by cancer or destroyed by the chemo and/or radiation used to treat the cancer, according to the American Cancer Society.
High doses of chemo (sometimes along with radiation), work better than standard doses to kill cancer cells. However, high doses can also kill the stem cells and cause the bone marrow to stop making blood cells, which are needed for life. The transplanted stem cells replace the bodys stem cells after the bone marrow and its stem cells have been destroyed by treatment, according to the American Cancer Society.
Two types of stem cell transplants include autologous, which uses stem cells from the patients own body, and allogeneic using stem cells from another person, Clark said.
For leukemia patients, most of the time, we give them stem cells from someone else, Clark said. Chemotherapy helps lower the leukemia disease burden, but the new immune system provided by the new stem cells can fight against the cancer cells and get rid of them, he said.
Virginia Commonwealth Universitys cancer center performs an average of about 160-195 stem cell transplants per year, Clark said. Slightly more than half are autologous procedures, and the rest are allogeneic, he said.
Whitt Clement, former delegate who represented the Danville area in the General Assembly, underwent a stem cell transplant for acute myeloid leukemia in September 2015.
The most important aspect for patients is being self-aware and their own best advocates, Clement said.
My experience was that the patient has to ask a lot of questions throughout the process, he said.
He suspected something was wrong when he noticed his platelet count declining over seven years. He went to a hematologist and had a bone marrow biopsy that revealed his condition.
If I had not taken the initiative myself and gone to see a hematologist, matters would have progressed to the point where I would have been symptomatic, Clement said.
Finding the perfect match in a donor is also important, Clement said. Fortunately, he had a sibling who met all the criteria and donated stem cells.
A person can get great matches from unrelated donors, but its preferable for a donor to be a sibling, said Clement, partner at Hunton & Williams law firm in Richmond.
Your body has an easier time tolerating the new stem cells, he said.
Clement served in the Virginia House of Delegates from 1988-2002, and as Virginias secretary of transportation from 2002-2005 under Gov. Mark Warner.
For someone with multiple myeloma, the transplant does not cure the disease but delays the time it returns by up to seven and a half years, Clark said.
Lymphoma, leukemia and sickle cell anemia can be cured with the procedure, Clark said. Lymphoma can be cured in about 50 to 80 percent of cases, depending on the lymphoma, Clark said.
The first 30 days after the transplant are the most critical, Clement said. During that time, different organs can have varying reactions to the new cells. It can affect the kidneys, liver, gastrointestinal tract, skin, and cause other side effects.
The idea is that the closer the match, the less likely youll have those adverse reactions, he said.
The process includes being put on an immunosuppressant to prevent the immune system from attacking the new cells, Clement said.
He credits the quality of his recovery to asking lots of questions and being his own advocate tape recording conversations with medical providers, coming in with written questions.
Ive been able to recover better because of that, he said.
Its a long journey and so a person confronted with the transplant situation has got to prepare himself for a long journey that requires a lot of questions along the way, Clement said.
There are about 20 million potential stem cell/bone marrow donors in the BeTheMatch Registry in the United States, Clark said.
Stem cell transplants began in the late 50s/early 60s with the first successful procedure done in an identical twin, Clark said. However, stem cell transplants were limited until medicines that prevent rejections became available.
The number of procedures increased in the 1980s, Clark said.
Danville resident Susan Mathena, cancer patient navigator at Danville Regional Medical Center, became a donor about 20 years ago because she wanted to help people. Mathena has also been an organ donor since she got her drivers license.
I see patients all the time that need stem cell transplants, Mathena said. We always need a source of bone marrow donation.
Though she will age out of the stem cell donor list soon, she could still be contacted if she is the only match for someone in need, she said.
Clark will speak next month on stem cell/bone marrow transplants at Ballou Recreation Center at an event held by the Cancer Research and Resource Center of Southern Virginia in Danville.
Thousands of patients with blood cancers like leukemia or other diseases like sickle cell anemia need a bone marrow/stem cell transplant to survive, including some of our own community members, said Kate Stokely Powell, coordinator at the center.
Clarks presentation offers an opportunity in Southside for people battling illness, medical students and professionals and the public to learn from an expert in the field of stem cell transplants, Powell said.
Doctors, hospitals and families affected by a blood cancer disease have done a great job of building a massive database of blood types for potential donor matches, Clement said.
For DeAndrea and her son, Nathan, the first transplant included four or five days of chemo. The new stem cells following the chemo that killed off his old stem cells from the transplant were like a rescue, she said.
Its wiping you out and then giving you your cells back to restart your immune system, DeAndrea said.
A second round of heavy chemo was to try to kill what was left of the cancer and replenish cells, she said.
It was rough, it was a nightmare, DeAndrea said. It was by far the worst phase of his treatment, but I believe, in the long run, its worth it.
She said the procedures should increase Nathans chances for survival and prevent a relapse.
Nathan just finished radiation Tuesday and will go in for a biopsy of his bone marrow this week, DeAndrea said.
Well find out next week where we stand as far as the cancer goes, she said.
Read the original:
After two stem cell transplants and several rounds of chemo, 'now he's just like a normal 2-year-old' - GoDanRiver.com
Stem cells: the future of medicine – Medical Xpress
By LizaAVILA
June 23, 2017
Imagine being able to take cells from your skin, transform them into other types of cells, such as lung, brain, heart or muscle cells, and use those to cure your ailments, from diabetes to heart disease or macular degeneration. To realise this, however, challenges still remain, Professor Janet Rossant, a pioneer in the field, says.
All across the world, scientists have begun clinical trials to try and do just that, by making use of the incredible power and versatility of stem cells, which are special cells that can make endless copies of themselves and transform into every other type of cell.
While human embryos contain embryonic stem cells, which help them to develop, the use of those cells has been controversial. The scientists are using induced pluripotent stem cells instead, which are other cells that have been reprogrammed to behave like stem cells.
"There are still significant challenges that we need to overcome, but in the long run we might even be able to create organs from stem cells taken from patients. That would enable rejection-free transplants," said Professor Janet Rossant, a pioneer in the field.
The mouse that changed everything
A speaker at the recent Commonwealth Science Conference 2017 held in Singapore and organised by Britain's Royal Society and Singapore's National Research Foundation, Prof Rossant gave an overview of stem cells' origins, history, uses and potential.
Now a senior scientist at The Hospital for Sick Children (also known as Sick Kids) in Toronto, Canada, after a decade as its chief of research, she was the first scientist to demonstrate the full power of stem cells in mice.
In the early 1990s, scientists believed that stem cells could only become certain types of cells and carry out limited functions. Based on her own research and that of others, however, Prof Rossant believed that they were capable of far more.
Working with other scientists, she created an entire mouse out of stem cells in 1992, upending the conventional wisdom. "We went on to create many baby mice that were completely normal, and completely derived from stem cells grown in a petri dish," she said.
"That was an amazing experiment, and it was instrumental in making people believe that human embryonic stem cells could have the full potential to make every cell type in the body," she added.
When scientists learned how to remove stem cells from human embryos in 1998, however, controversy ensued. Many lobbied against the cells' use in medical research and treatment due to the moral implications of destroying even unwanted embryos to gain the cells.
In Canada, Prof Rossant chaired the working group of the Canadian Institutes of Health Research on Stem Cell Research, establishing guidelines for the field. These guidelines helped to keep the field alive in Canada, and were influential well beyond the country's borders.
In 2006, Japanese researchers succeeded in taking skin cells from adult mice and reprogramming them to behave like embryonic stem cells. These revolutionary, induced pluripotent stem (IPS) cells allowed scientists to sidestep the ongoing controversy.
The challenges in the way
While stem cells have been used for medical treatment in some cases bone marrow transplants, for example, are a form of stem cell therapy there are several challenges that need to be overcome before they can be used more widely to treat diseases and injuries.
"We need to get better at turning stem cells into the fully mature cells that you need for therapy. That's going to take more work. Another issue is that of scale-up. If you're going to treat a patient, you need to be able to grow millions of cells," said Prof Rossant.
She added: "Safety is another concern. One of the most exciting things about pluripotent stem cells is that they can divide indefinitely in the culture dish. But that's also one of the most scary things about them, because that's also how cancer works.
"Furthermore, because we need to genetically manipulate cells to get IPS cells, it's very hard to know whether we've got completely normal cells at the end of the day. These are all issues that need to be resolved."
She noted that some scientists are working on making "failsafe" IPS cells, which have a built-in self-destruct option if they become dangerous. "Bringing stem cells into regenerative medicine is going to require interdisciplinary, international collaboration," she said.
In the meantime, stem cells have been a boon to medical research, as scientists can use them to create an endless supply of different cells to study diseases and injuries, and test drugs. "That's the biggest use of IPS cells right now," Prof Rossant said.
Sick kids and how to help them
At SickKids, which is Canada's largest paediatric research hospital, she has been using stem cells to study cystic fibrosis, a frequently fatal genetic disorder that causes mucus to build up and clog some organs such as the lungs. It affects primarily children and young adults.
SickKids discovered the CFTR gene that, when mutated, causes the disease. It was also the first to produce mature lung cells, from stem cells, that can be used to study the disease and test drugs against it.
Even better, Prof Rossant and her team were able to turn skin cells from cystic fibrosis patients into IPS cells and then into lung cells with the genetic mutation specific to each of them. This is critical to personalising treatment for each patient.
"Drugs for cystic fibrosis are extraordinarily expensive, and patients can have the same mutation and yet respond differently to the same drug," Prof Rossant explained. "With our work, we can make sure that each patient gets the right drug at the right time."
In 1998, Prof Rossant also discovered a new type of stem cell in mice, now called the trophoblast stem cell. These surround an embryo and attach it to the uterine wall, eventually becoming the placenta. She is using such cells to study placenta defects and pregnancy problems.
By using IPS cells to create heart cells and other cells, pharmaceutical companies can also test their new drugs' effectiveness and uncover potential side effects, as well as develop personalised medicines.
"There are still huge amounts of opportunities in pluripotent stem cells," said Prof Rossant, who has won numerous awards for her research, including the Companion of the Order of Canada and the 2016 Friesen International Prize in Health Research.
She is also president and scientific director of the Toronto-based Gairdner Foundation, which recognises outstanding biomedical research worldwide, and a professor at the University of Toronto's molecular genetics, obstetrics and gynaecology departments.
"Meetings like the Commonwealth Science Conference are a fantastic opportunity for scientists to come together, learn about each other's work and establish new relationships, which will help to push science forward, including in stem cell research," she said.
She noted: "The world of science is becoming increasingly interdisciplinary, so this kind of meeting of minds across nations, cultures and scientific fields is really the way of the future."
Explore further: Cardiac stem cells from heart disease patients may be harmful
New research overturns long-held views on a basic messaging system within living cells. Key cellular communication machinery is more regionally constrained within the cell than previously thought. The findings suggest new ...
The leading cause of acute gastroenteritis linked to eating raw seafood disarms a key host defense system in a novel way: It paralyzes a cell's skeleton, or cytoskeleton.
It's a tiny marine invertebrate, no more than 3 millimeters in size. But closely related to humans, Botryllus schlosseri might hold the key to new treatments for cancer and a host of vascular diseases.
Scientists used human pluripotent stem cells to generate human embryonic colons in a laboratory that function much like natural human tissues when transplanted into mice, according to research published June 22 in Cell Stem ...
Paracetamol is popular for relieving pain. But if you are pregnant, you should think twice before popping these pills according to the researchers in a new study. In an animal model, Paracetamol, which is the pain-relieving ...
Fathers-to-be, take note: You may be more useful in the labor and delivery room than you realize.
Please sign in to add a comment. Registration is free, and takes less than a minute. Read more
Read more here:
Stem cells: the future of medicine - Medical Xpress
How Close Are We to Successfully Cloning the First Human? – Futurism
By LizaAVILA
When Will We Clone a Human?
Human cloning may endure as one of the go-to science fiction tropes, but in reality we may be much closer to achieving it than our fictional heroes might imply. At least in terms of the science required. On of the most prominent hurdles facing us may have less to do with the process and more to do with its potential consequences, and our collective struggle to reconcile the ethics involved.That being said, while science has come a long way in the last century when it comes to cloning a menagerie of animals, cloning humans and other primates has actually proven to be incredibly difficult. While we might not be on the brink ofcloning entire human beings, were already capable of cloning human cells the question is,should we be?Click to View Full Infographic
The astoundingly complex concept of cloning boils down to a fairly simple (in theory, at least) practice:you need two cells from the same animal one of which is an egg cell from which youve removed the DNA. You take the DNA from the othersomatic cell and put it inside the devoid-of-DNA egg cell. Whatever that egg cell goes on to produce for offspring will be genetically identical to the parent cell.While human reproduction is the result of the joining of two cells (one from each parent, each with their own DNA) the cellular photocopy technique does occur in nature.Bacteria reproduce through binary fission: each time it divides, its DNA is divided too so that each new bacterium is genetically identical to its predecessor. Except sometimes mutations occur in this process and in fact, that can be by design and function as a survival mechanism. Such mutations allow bacteria to, for example, become resistant to antibiotics bent on destroying them. On the other hand,some mutations are fatal to an organism or preclude them coming into existence at all. And while it might seem like the picking-and-choosing thats inherent to cloning could sidestep these potential genetic hiccups, scientists have found thats not necessarily the case.
Image Credit: Pixabay
While Dolly the sheep might be the most famous mammal science has ever cloned, shes by no means the only one: scientists have cloned mice, cats, and several types of livestock in addition to sheep. The cloning of cows has, in recent years, provided a great deal of knowledge to scientists about why the processdoesnt work: everything from implantation failure to those aforementioned mutations that render offspring unable to survive.Harris Lewin, professor in the UC Davis Department of Evolution and Ecology, and his team published their findings on the impact cloning has ongene expression in the journalProceedings of the National Academy of Sciencesback in 2016. In the studys press release Lewin noted that the findings were certainly invaluable to refining cloning techniques in mammals, but that their discoveries also reinforce the need for a strict ban on human cloning for any purposes.
The creation ofentiremammals via reproductive cloning has proven a difficult process both practically and ethnically, as legal scholar and ethicist Hank Greely of Stanford University explained toBusiness Insiderin 2016:
The cloning of human cells,however, may be a far more immediate application for humans.Researchers call it therapeutic cloning, and differentiate it from traditional cloning that has reproductive intent. In 2014, researchers created human stem cells through the same cloning technique that generated Dolly the sheep. Because stem cells can differentiate to become any kind of cell in the body, they could be utilized for a wide variety of purposes when it comes to treating diseases particularly genetic diseases, or diseases where a patient would require a transplant from an often elusive perfect match donor.This potential application is already well underway: earlier this year a woman in Japansuffering from age-related macular degeneration was treated with induced pluripotent stem (iPS) cells created from her own skin cells, which were then implanted into her retinas andstopped her vision from degenerating further.
We asked the Futurism community to predict when they think well be able to successfully clone a full human, and the majority of those who responded agree that it feels like were getting close: nearly 30 percent predicted well clone our first human by the 2020s. We have replaced, and replicated almost every biology on earth, said reader Alicja Laskowska, [the] next step is for cures and to do that you need clean DNA, and theres your start.
Originally posted here:
How Close Are We to Successfully Cloning the First Human? - Futurism
Grape skin and seeds may help fight against colon cancer, says study – Hindustan Times
By LizaAVILA
Start eating grapes daily, as a research has revealed that the compounds, found in the skin and seeds of grapes, may help in killing colon cancer stem cells. The compounds, resveratrol, which are found in grape skins and seeds, could also eventually lead to treatments to help prevent colon cancer, said Jairam K.P. Vanamala from Penn State Hershey Cancer Institute.
The combination of resveratrol and grape seed extract is very effective at killing colon cancer cells, Vanamala added. The researchers suggest that the findings could pave the way for clinical testing of the compounds on human colon cancer, which is the second most common cancer in women and the third in men.
If successful, the compounds could then be used in a pill to help prevent colon cancer and lessen the recurrence of the disease in colon cancer survivors.
Vanamala noted that according to cancer stem-cell theory, cancerous tumors are driven by cancer stem cells. Cancer stem cells are capable of self-renewal, cellular differentiation and maintain their stem cell-like characteristics even after invasion and metastasis.
When taken separately in low doses, resveratrol and grape seed extract are not as effective against cancer stem-cell suppression as when they are combined together, according to the researchers.
Grape compounds could now be used in a pill to help prevent colon cancer and lessen the recurrence of the disease in survivors. (HTFile photo )
This also connects well with a plant-based diet that is structured so that the person is getting a little bit of different types of plants, of different parts of the plant and different colors of the plant, said Vanamala.
For the animal study, they separated 52 mice with colon cancer tumors into three groups, including a control group and groups that were fed either the grape compounds or sulindac, an anti-inflammatory drug, which was chosen because a previous study showed it significantly reduced the number of tumors in humans.
The incidence of tumors was suppressed in the mice consuming the grape compounds alone by 50 percent, similar to the rate in the group consuming the diet with sulindac.
Follow @htlifeandstyle for more.
Continue reading here:
Grape skin and seeds may help fight against colon cancer, says study - Hindustan Times
Hyderabad team grows miniature eyes using stem cells – The Hindu
By NEVAGiles23
The Hindu | Hyderabad team grows miniature eyes using stem cells The Hindu The iPS cells are produced by genetically manipulating human skin cells to produce embryonic-like stem cells that are capable of forming any cell types of the body. Small portions of the corneal tissue were separated from the miniature eyes and used ... |
Continue reading here:
Hyderabad team grows miniature eyes using stem cells - The Hindu
Major Breakthroughs in Aging Theories and Anti-Aging Strategies via Stem-Cell Rejuvenation in Humans – PR Newswire (press release)
By Sykes24Tracey
BURR RIDGE, Ill., June 13, 2017 /PRNewswire/ -- Dr. Win L. Chiou, a world-renowned authority in pharmacokinetics, an expert in dermatology and a former FDA consultant, has recently published a commentary questioning some widely accepted aging and anti-aging theories in the last century and postulated his new aging theories and anti-aging strategies in The Scientific Pages of Dermatology (TSPD). Chiou said this may have many very important implications and applications in future aging and anti-aging research. This and his other recent breakthroughs are disclosed.
Classical Cumulative Oxidative Stress/Accelerated Aging Theories QuestionedSurprisingly, these important classical theories were not supported by results from his critical analyses of reported aging data of human hearts and skin from a large number of normal subjects over many decades of lifespan. Some implications are: Generally, our skin and heart actually don't age faster as we get older as predicted from these accelerated aging theories. Also, we may have over-emphasized the use of purified anti-oxidants in dietary supplements to combat aging. This is because oxidative stress has been traditionally regarded as the culprit of our aging.
Classical Photoaging Theory Questioned: Intrinsic Aging as Root CauseThe photoaging theory claims that exposure to sunlight contributes about 80% of our skin aging. Chiou astoundingly found that sun exposure had no noticeable effects on the aging of skin collagen and superficial capillaries in their lifetime. Furthermore, age spots, commonly assumed to result from photoaging, were frequently found to occur on thighs, forearms and backs in seniors that were rarely exposed to sunlight. Chiou asked: Do we need to re-evaluate general recommendations that we should wear sunscreens as a daily ritual when we go outdoors? How much SPF number do we really need? This is especially significant because exposure to sunlight has many important health benefits such as reducing blood pressure, heart attacks and strokes, and increasing the immune system and vitamin D synthesis. These benefits are known to far outweigh the risks such as skin cancer.
New Cardiac-Output-Reduction Aging Theory: Utmost Importance of Cellular Nutrients in Determining Cellular/Tissue Aging
Chiou postulated a new theory that since our heart pumps nutrient-carrying blood to various organs/tissues to sustain their vitality, therefore, cardiac output should be closely related to our life expectancy and general health. Chiou said that we age mainly because our cardiac output decreases and cellular levels of nutrients in peripheral tissues also decrease with age. Cardiac output peaks at about age 12. By age 40 and 80, it can decrease very significantly by 30% and 49% respectively. Hence, Chiou postulated that one effective approach to combat body aging and to increase longevity is to increase cardiac output through stem-cell rejuvenation and to increase tissue nutrients. In other words, aging is reversible!!
New Theories for Formation of Wrinkles and Age Spots: Intrinsic Aging as Root CausesFor the first time, Chiou theorized that formation of wrinkles in aged adults results from body's defense mechanism in order to reduce effective surface area for minimizing environmental assaults. And the formation of age spots mainly results from birth defects and later acquired injuries in superficial capillaries that nourish the skin. Hence these disorders are generally first initiated by intrinsic aging. Sunlight may hasten the above problems. Chiou noted that young children and youths with healthy skin may stay outdoors unprotected daily for months or years without developing age spots or wrinkles.
New Strategy to Combat and Reverse Skin Aging: Stem-Cell RejuvenationJust as water can revitalize a dry wilted flower, an aging-reversing phenomenon, Chiou has developed a unique proprietary body-natural (ingredients being natural in our body) nutritional serum, Eternal Spring Serum (ESS), to be topically applied daily to rejuvenate our skin. Surprisingly, the firming and tightening effects are almost universally observed in all users. A stunning example is shown in his wife, Linda Chiou, who has used the product for more than 10 years and rarely used sunscreens. At age 75, her skin seems much better than many others 25 to 35 years younger (Figure 1). Many friends noticed her skin-age-reversing phenomenon. It is reasoned that the ESS must work via rejuvenation of stem or progenitor cells in the skin. Currently, skin reversal is considered by dermatologists as impossible to achieve. Therefore, the ESS represents a historical breakthrough in combating skin aging.
Growth Acceleration and Regeneration of Human Nails: Stem-Cell RejuvenationLiquid preparations containing body-natural nutrients have been shown to quickly accelerate nail growth or to regenerate new nails after nail injury in numerous subjects. This may be the first of its kind ever reported (patent pending). Such effects are also postulated to be due to stem-cell/progenitor cell rejuvenation. Interestingly, this approach also helps grow new hair on Dr. Chiou's decades-old baldhead.
Dr. Chiou is an editor for TSPD, and is organizing a Special Issue on "Aging and Anti-Aging". He was a former university professor for 36 years. Dr. Chiou is currently President of Winlind Skincare LLC and Chiou Consulting Inc. His detailed biography is available at the TSPD website. For inquiries or licensing, Dr. Chiou can be reached at 163879@email4pr.com.
Media Contact: Win Chiou163879@email4pr.com 630-861-0433
To view the original version on PR Newswire, visit:http://www.prnewswire.com/news-releases/major-breakthroughs-in-aging-theories-and-anti-aging-strategies-via-stem-cell-rejuvenation-in-humans-300472905.html
SOURCE Dr. Win L. Chiou
Hong Kong biotech start-up claims world first in stem cell treatment of Alzheimer’s and Parkinson’s diseases – South China Morning Post
By raymumme
Oper Technology, a Hong Kong biotechnology start-up, has pioneered what it claims is a world first in stem cell treatment that it says could potentially help millions of patients suffering from Alzheimers and Parkinsons diseases.
The business was co-founded by Hong Kong Baptist Universitys Professor Ken Yung, who specialises in neurobiology and neurological diseases in the universitys biology department.
He and his team has now developed a method of harvesting neural stem cells from the brains of live subjects using specially developed nanoparticles.
The exploration of using stem cells to repair damaged neural cells is not a new concept. Scientists in the US and elsewhere have experimented using stem cells from fat and skin, developing them into neural cells.
But Yung claims his team is the first to successfully harvest stem cells directly from the brain and re-inject the developed neural cells back into a live subject, thereby artificially regenerating any cells which have died off, due to neurological diseases from neural stem cells themselves.
Stem cells have the potential to develop into different types of cells with specialised functions.
The nanoparticles which are made of a type of iron oxide work like magnets to attract the stem cells within the brain.
Yung said these can then be developed into more specific neural cells and re-injected into the brain to replace damaged cells caused by diseases such as Alzheimers and Parkinsons, where neurons in the patients brains progressively die off with time.
He suggests the treatment could benefit almost 100 million patients around the world, who suffer from neurodegenerative diseases, including strokes.
China alone has the largest population of people with dementia, with an estimated 23.3 million now projected to suffer from the condition by 2030, according to the World Health Organisation.
Yung co-founded Oper Technology and serves as its chairman.
The company is being developed under Hong Kong Science and Technology Parks Incu-Bio programme, which provides select biotechnology start-ups with laboratory and support services, and ultimately it aims to commercialise its medical technology.
If you put the [developed] cells in a different environment from where the [stem cells are harvested], there might be [misdirected] growth in an uncontrolled environment, said Yung.
We want to use neural cells to repair neural cells, and since the stem cells and re-injected neural cells are from the same micro-environment, there will not be uncontrollable growth.
The method has proven to be very successful when tested on rats, especially in cases of Parkinsons, according to Yung, who suggested the method could eventually become an ultimate treatment for the disease.
Furthermore, the risks of this treatment are similar to what is currently on the market today, he added.
The treatment could also help to treat early-stage Alzheimers patients, slowing down or even halting the degeneration process, although Yung acknowledged that its effectiveness in treating terminal stage patients may be limited since it would be difficult to regenerate enough neural cells when patients brains have shrunk due to the condition.
While animals subjected to the treatment displayed an improvement in neural function following the re-injection, the team has yet to start on clinical trials as such cell therapy is still nascent and largely unregulated in Hong Kong.
Oper Technology is currently seeking investment and often sets up booths at conferences such as last weeks EmTech Hong Kong conference, which focuses on innovation and emerging technologies.
Yung hopes to raise enough funds to begin clinical trials in Australia in the near future, where autologous cell therapies are legal and thus provides an ideal environment for clinical trials.
See the rest here:
Hong Kong biotech start-up claims world first in stem cell treatment of Alzheimer's and Parkinson's diseases - South China Morning Post
Using Stem Cells to Heal Burns – Miami’s Community Newspapers
By LizaAVILA
This slideshow requires JavaScript.
Like I have consistently mentioned on many of my previous articles, the unlimited capacities of autologous stem cells and platelets never ceases to amaze me.
While at our StemCell Miami Institute (one of the few in the world) we specialize in treating orthopedic related illnesses like: osteoarthritis of the knee, hip, shoulder and issues related to the spine, there are times when we also try to help patients in need of treatments that are outside of the true realm of our medical specialty. Such is the case with Denisse, a close family friend and owner of a busy Nicaraguan restaurant in the city of Doral, where she unfortunately poured (by accident) a pot of hot oil all over the back of her legs, causing her a painful second degree type burn.
Two weeks ago, Denisse called us to see if we could do something to help her with her burn, since she had heard about the tremendous success of many of our stem cell procedures. While she was well aware that we specialized in orthopedic related problems, she hoped that we could help her to expedite the healing process, since the treatment that she initially received at the hospital emergency room (with sulfadiazine), had done little to improve her serious burn and she was also suffering from a severe pain in the affected area.
While this was theoretically in no way our specialty, we knew that cells have a great capacity to heal skin related issues. In addition, platelets have shown tremendous success in accelerating the scarring/curative process in healing wounds, ulcers and also burns. As a matter of fact, I treated a paralytic patient several years ago who was living in a nursing home in order to try and help with an ulcer she had developed in her leg and amazingly, her ulcer/wound completely healed in only one month after the treatment we conducted on her!
So after we discussed the recommended treatment with Denisse and she agreed to move forward with our procedure we created a gelatin like substance from her own plasma and combined it with growth factors (also from her same blood). We then covered the wounded skin area (about the size of a basketball behind her knees) and we initially planned to cover her wound with this gelatin substance every 72 hours.
On the second treatment, we were truly astonished on how well the wound/burn had healed (almost 50 percent improvement) and Denisse mentioned that ever since the first application her pain had subsided tremendously. By the third treatment, we were stunned by how her wound had healed almost 100 percent and we consequently decided to stop the treatment altogether, since her burn had basically already disappeared.
This is another classic example of the unlimited power of Regenerative Medicine. In this particular case, being successful at healing a severe second degree type burn by using the patients own PRP (Platelet Rich Plasma). Consequently, this type of treatment should be considered/implemented at hospital ERs and burn centers around the globe. Note that we would love the opportunity to teach doctors and nurses, hopefully in the future, this innovative treatment/technique, so they can in turn help other patients, just like we helped our friend Denisse. Furthermore, we are very happy to report that Denisse has been able to return to work at her busy restaurant and her burn has almost completely diminished!
So if you, a friend or any family members are interested in receiving one of these innovative stem cell or PRP procedures, please call us at 305-598-7777. For more information, please visit our website: http://www.stemcellmia.com(available in both English & Spanish) and you can also follow us on Facebook, Twitter and on our YouTube channel. Dr. Castellanos would be happy to address any of your specific questions or concerns via his email: stemdoc305@gmail.com.
Connect To Your Customers & Grow Your Business
Read the original post:
Using Stem Cells to Heal Burns - Miami's Community Newspapers
Stem Cells PRP, Acne & Skin Rejuvenation Cape Town
By Dr. Matthew Watson
PRP Skin Regeneration Therapy, a type of regenerative medicine with the patients own blood, uses components called platelets in the blood to rejuvenate the skin.
Based on an innate wound-healing ability, the therapy is performed by injecting components collected from the blood and is associated with no risk of allergy or infections. The safe therapy has been studied and applied in a variety of fields. It is indicated for a wide variety of conditions; it is used for the treatment of trauma and burn in the department of plastic surgery and also used as an adjunct to implant therapy in the department of dentistry.
Our clinics have introduced a new technology for extraction of platelet-rich plasma containing autologous white blood cells that has a PRP enrichment rate of about 6- to 10-fold (about three to five times higher than that for conventional one). It also contains white blood cells, which are not contained in conventional PRP. The therapy is found to have much greater efficacy in rejuvenating the skin, eliminating wrinkles, and reducing irregularities from acne marks compared with conventional therapy.
Indications: Expected Effects in Cosmetic Medicine
PRP is particularly effective for crepy skin under the eyes (fine wrinkles) that are difficult to treat by conventional Rejuvenation Therapy. Inducing skin regeneration, the therapy is also effective in treating wrinkles, acne marks, sags and wrinkles on the neck.
Features of the Process Include:
1. Allowing the extraction of White Blood Cells not found in conventional PRP
2. The interaction between PRP and white blood cells results in the release of growth factors that potentiate the natural healing power and tissue reorganization potential at injection sites and subsequent regeneration of the skin.
3. In conventional therapy, it takes about two months for any benefit to be seen, although the time varies among individuals. New-PRP Skin Regeneration Therapy produces noticeable symptomatic improvement in a short period of about two weeks.
Comparison with Conventional Procedures
The PRP enrichment rate is three to five times higher than that for conventional procedures, and the time to benefit is reduced to one-fourth.
Mechanism of New-PRP Skin Regeneration Therapy
PRP Skin Regeneration Therapy uses components called platelets contained in the blood. Platelets play a role in stopping bleeding and repairing damaged blood vessels and cells in the body. Platelets contain substances called growth factors that activate and rejuvenate cells in the body. The growth factors, when released, induce the production of collagen and generation of new capillaries to rejuvenate the skin.
Precautions on How to Choose PRP Therapy
Many clinics now use what they call autologous platelets to eliminate wrinkles and treat acne marks. All those clinics claim skin regeneration therapy with autologous platelets. However, the efficacy of therapy differs substantially.
Important factors for greater efficacy include the concentration and component of platelets for injection. As described previously, skin regeneration with PRP is based on the mechanism that platelets release a variety of growth factors to promote tissue repair, angiogenesis, and collagen production for skin rejuvenation.
The efficacy is enhanced by improving the quality of platelets. Our clinics use a method of injecting platelet-rich plasma containing autologous white blood cells that is prepared by mixing enriched platelets (6 to 10 fold) collected from blood and an appropriate amount of white blood cells, which are rarely contained in common PRP. Our method is found to be highly effective in a range of symptoms.
Skin Rejuvenation with PRP
1. Injection of Platelet Component (PRP):The aged skin has less collagen, low elasticity, reduced amount of hyaluronic acid, and low ability to retain moisture.
2. Release of Growth Factors From Platelet Component (PRP) cell growth is activated, and collagen is produced.
3. Regeneration and Rejuvenation of Skin Tissue:Here Collagen is produced, and skin elasticity is improved. The ability to retain moisture is restored.
For separation of platelet-rich plasma (PRP), a dedicated kit called Fibrinet AGF is used. The use of a specific filter and a centrifuge achieves a high platelet recovery rate of 97% or more and allows preparation of plasma containing six to ten times as many platelets as the common one. This is a three step process:
Step 1: Collection of Blood
Step 2:Separation of Platelet Component A specific filter and a centrifuge are used to prepare platelet-rich plasma (PRP) containing autologous white blood cells.
Step 3. Injection of Platelet Component The platelet-rich plasma (PRP) with autologous white blood cells is injected into the area of concern. It takes about 30 to 40 minutes from blood collection to injection.
Platelets and white blood cells exert a synergistic effect, resulting in the release of a variety of growth factors at the injection sites. This promotes the production of collagen and hyaluronic acid and wound healing, leading to improvement of symptoms such as wrinkles and irregularities from acne marks.
Comparison of Conventional Anti-Aging Therapy
PRP Skin Regeneration Therapy is expected to provide great benefit for crepy skin under the eyes, which are difficult to treat with conventional rejuvenating injections and laser therapy. The therapy uses the patients own blood for rejuvenation and thus poses no risk of infection or allergy. It has the advantage of a longer duration of efficacy compared with injection of hyaluronic acid and collagen that are absorbed into the body. Other features such as no need for skin incision and short downtime (swelling usually resolves in two to three hours) make this therapy a safe treatment.
NOTE: When injection is performed under the eyes, redness may persist for two to three days but resolve over time.
Consult a physician about the best procedure, depending on the sites and conditions of your wrinkles and others symptoms.
Before and After
Another feature of the therapy is that the patient will experience a natural change in the operative site, as well as minimal discomfort as the beneficial effects gradually occur after about two weeks of therapy.
As simple as giving a tube of blood, this nonsurgical treatment utilises patients own platelets and stem cells to promote wound healing. PRP can effectively improve the bodys natural collagen production, resulting in a more youthful appearance.
Neocel PRP kits are the only FDA approved stem cells harvesting kit in the world. The Wembley MediSpa in Cape Town is amongst the few clinics in South Africa to offer this world class treatment with a world class Doctor (90 120 mins).
Excerpt from:
Stem Cells PRP, Acne & Skin Rejuvenation Cape Town
The Vitamin That Targets and Kills Cancer Stem Cells – Care2.com
By Sykes24Tracey
While the search for possible cures for cancer continue in laboratories around the world, exciting new research turns our attention to a commonly available, inexpensive vitamin. Thats because a humble vitamin has been found to seek out and destroy cancer stem cells, which are cells that are believed to drive the creation of new cancer cells and cancer tumors.
The study, published in the medical journal Oncotarget, found that vitamin C can actually seek out and destroy cancer stem cells, thereby preventing the spread of the disease. Vitamin C was found by researchers to be up to 10 times more effective at killing cancer stem cells than experimental drugs. Thats good news considering the toll that cancer is currently taking. Cancer is currently the second leading cause of death and killed almost 9 million people in 2015 alone.
Lead study author Dr. Michael P. Lisanti, professor of translational medicine at the University of Salford said in an interview with Medical News Today: We have been looking at how to target cancer stem cells with a range of natural substancesbut by far the most exciting are the results with vitamin C. Vitamin C is cheap, natural, nontoxic and readily available, so to have it as a potential weapon in the fight against cancer would be a significant step.
Vitamin C is found in most fruits and vegetables, but especially in red bell peppers, strawberries, oranges, grapefruit, lemons, limes, pomegranates, black currants, spinach, beet greens, tomatoes and sprouts. Eating a plant-based or largely plant-based diet high in vitamin C-rich foods may be helpful in preventing or treating cancer, but supplementation may be necessary to achieve the study results. Vitamin C is available in a variety of forms, with ascorbic acid being the primary one, along with other buffered options such as calcium ascorbate. The Oncotarget study found that ascorbic acid effectively sought out and destroyed cancer stem cells.
It is not clear how much vitamin C is necessary to create the anti-cancer results. More research may help to determine the ideal dosage. The recommended dietary intake is 90 milligrams of vitamin C, but many natural health experts believe that this amount is extremely low and doesnt take stress or diseases like cancer into account. Stress causes the rapid depletion of vitamin C. Our stress glands, the adrenal glands, which are two small, triangular-shaped glands that sit atop the kidneys in the abdominal region, use high amounts of vitamin C, particularly when they are dealing with acute or chronic stress. Many natural health experts recommend 2000 milligrams of vitamin C daily, and sometimes even more than that if it is part of a therapeutic protocol.
Nobel Prize winner Dr. Linus Pauling first discovered vitamin C and its role in fighting cancer. This new Oncotarget study builds on Dr. Paulings research, showing that vitamin C also targets cancer stem cells, an important advancement in our knowledge of cancer and vitamin C. Other research published in the medical journal Science found that high doses of vitamin C may help in the treatment of colorectal cancer. It is a good idea to work with a naturally-minded health professional if you intend to take high doses of vitamin C, divided throughout the day.
Because vitamin C is water soluble, it is not stored in our body and must therefore be ingested on a daily basis to avoid a deficiency. Some of the symptoms of a vitamin C deficiency include: excessive hair loss, becoming exhausted easily, fragile bones, frequent nosebleeds, gums that bleed easily, skin that bruises easily, and sores or wounds that heal slowly.
Vitamin C is also crucial to the formation of bones and teeth, digestion, blood cell formation, wound healing and the production of collagen, which is involved in maintaining the skins youthful elasticity.
Related:Dont Believe in Herbal Medicine? 10 Things to Change Your MindThe 5 Best Herbs to Soothe Your NervesShould You Actually Starve a Fever?
Dr. Michelle Schoffro Cook, PhD, DNM is the publisher of the free e-news Worlds Healthiest News, president of PureFood BC, and an international best-selling and 20-time published book author whose works include: The Life Force Diet: 3 Weeks to Supercharge Your Health and Get Slim with Enzyme-Rich Foods.
Disclaimer: The views expressed above are solely those of the author and may not reflect those of Care2, Inc., its employees or advertisers.
More here:
The Vitamin That Targets and Kills Cancer Stem Cells - Care2.com
Potential Baldness Pathway Uncovered while Studying Rare Skin Disease – Genetic Engineering & Biotechnology News
By daniellenierenberg
The researchers constructed mouse models for WNT10A-associated HED by deleting the Wnt10a gene. The mutant mice displayed the same symptoms as HED patients with severe loss-of-function mutations in the WNT10A gene. Long-term absence of WNT10A leads to miniaturization of hair follicle structures and enlargement of the associated sebaceous glands, a phenomenon that is also observed in male pattern baldness.
We showed "that -catenin pathway activity and adult epithelial progenitor proliferation are reduced in the absence of WNT10A, and identify Wnt-active self-renewing stem cells in affected tissues including hair follicles, sebaceous glands, taste buds, nails, and sweat ducts, the authors wrote. Human and mouse WNT10A mutant palmoplantar and tongue epithelia also display specific differentiation defects that are mimicked by the loss of the transcription factor KLF4. We found that -catenin interacts directly with region-specific LEF/TCF [lymphoid enhancer factor/T-cell factor] factors, and with KLF4 in differentiating, but not proliferating, cells to promote expression of specialized keratins required for normal tissue structure and integrity.
Interestingly, the UPenn team also discovered that cracking and scaling of palm and foot sole skin in WNT10A patients is due to decreased expression of a structural protein called keratin 9, which is specifically expressed in these regions of skin and contributes to its mechanical integrity.
"Our studies took us back and forth between human patients and our mouse model," said Dr. Millar. "Our goal was to find what happened to cellular components affected by the WNT10A mutation to make better treatments."
Dr. Millar and her colleagues showed that decreased proliferation and keratin 9 expression in the absence of WNT10A resulted from the failure of signaling through a well-characterized pathway that stabilizes -catenin, allowing it to enter the cell nucleus and activate gene transcription. These findings indicate that small-molecule drugs that activate the -catenin pathway downstream of WNT10A could potentially be used to treat hair thinning and palm and sole skin defects in WNT10A patients. These agents may also be useful for preventing hair loss in a subgroup of people with male-pattern baldness.
Read the original post:
Potential Baldness Pathway Uncovered while Studying Rare Skin Disease - Genetic Engineering & Biotechnology News
Trends in cosmeceutical ingredients – ModernMedicine
By Sykes24Tracey
Whats trending in cosmeceuticals? Niacinamide, heparan sulfate, defensins, novel retinoids and sodium copper chlorophyllin complex, according to Vivian W. Bucay, M.D., a dermatologist in San Antonio, Texas, who presented on the topic this week at the 2017 Vegas Cosmetic Surgery and Aesthetic Dermatology meeting, in Las Vegas.
Niacinamide
Cosmeceuticals contain three primary forms of vitamin B3, including niacinamide, nicotinic acid and nicotinate esters, according to Dr. Bucay.
[The] most studied and efficacious form is niacinamide. Nicotinic acid [is] not generally used because it causes vasodilation, redness and irritation, according to Dr. Bucays presentation. Niacinamide readily penetrates the stratum corneum, [with] little potential for irritation.
Niacinamides effects on the skin include improving the skin barrier function, pigmentation and appearance of lines and wrinkles associated with photoaging. The water-soluble vitamin has been shown in studies to have immunomodulatory and anti-inflammatory effects, and more. Niacinamide has also been shown to improve acne, by, among other things, decreasing facial sebum production. It also has been shown to reduce pigmentation and decrease UV-induced immunosuppression.
Heparan Sulfate
Heparan sulfate is a key glycosaminoglycan, which surrounds cells and is required for cell growth, according to Dr. Bucay.
Heparan sulfate is well documented in dermatology, with studies in wound repair, skin infections, atopic dermatitis, rosacea and psoriasis. As a facilitator of growth factor function, heparan sulfate is essential for collagen synthesis, she writes.
And topically applied heparan sulfate penetrates the epidermis and dermis in humans, according to Dr. Bucay.
Low molecular weight heparan sulfate is found exclusively in the Sent skincare product line (Sent), she writes.
Defensins
According to a study by Lough et al published November 2013, the immune system releases defensins that activate LGR6+ stem cells. Activated LGR6+ stem cells create new basal stem cells. And the newly-created basal stem cells produce fresh keratinocytes that last a lifetime.
Defensins, which are antimicrobial peptides, are released by neutrophils in wounds. These dermatologic stem cells generate cell lineages of the skin, according to Dr. Bucay.
Defensins have been shown to enhance wound healing and hair growth. Early studies suggest defensins reduce skin aging. Dr. Bucay is among the researchers conducting an ongoing vehicle-controlled study on the use of synthetic defensins in a cosmetic base.
While retinol stimulates old basal stem cells to make old keratinocytes, defensins activate preserved LGR6+ stem cells to make new basal stem cells. And while growth factors switch on good and bad cells, defensins activate specific cells types to do specific jobs, according to Dr. Bucay.
Defensins are found in DefenAge (DefenAge) skincare products.
A novel retinoid
Scientists have developed a bioengineered double conjugate retinoid with lactic acid, which is designed to optimize delivery of beneficial properties of both an alpha hydroxy acid (AHA) and a retinoid, with less skin irritation. The proprietary AlphaRet technology increases stability, reduces irritation and improves passage through the skin, according to Dr. Bucays presentation.
The product AlphaRet Overnight Cream (SkinBetter Science), includes the AlphaRet molecule, 0.1%, glycolic acid and a potent antioxidant blend.
Sodium copper chlorophyllin complex
Liposomal sodium copper chlorophyllin complex technology is based on chlorophyll, [a] fat soluble green pigment in plants necessary for photosynthesis, according to Dr. Bucay.
Sodium copper chlorophyllin has a long history of use in medicine, including in topical wound healing. Recently, sodium chlorophyllin has been used topically for cosmetic purposes, in the MDRejuvena Rejuvaphyl Rejuvenating complex (MDRejuvena). The product, she writes, has been shown to reduce redness and oiliness and improve signs of photodamage.
Results from a human biopsy study published July 2016 suggest retinoids and sodium copper chlorophyllin complex have beneficial effects on biomarkers of photoaged skin. Together, sodium copper chlorophyllin complex and retinols may provide a dual approach to reversing age-related changes, according to the authors.
Disclosure: Dr. Bucay reports ties to Allergan, Merz Aesthetics, Galderma, Johnson & Johnson/Neutrogena, LOreal/SkinCeuticals, NuGene, Sent Labs, Medicell Technologies, Alastin Skincare, Viviscal, BTL, Sienna Biopharmaceuticals, Syneron Candela and Miramar Labs.
Read more:
Trends in cosmeceutical ingredients - ModernMedicine