Why stem cells could be the medical innovation of the century – World Economic Forum

By daniellenierenberg

Right now, your bodys stem cells are working hard replacing your skin every two weeks, creating new red and white blood cells and completing thousands of other tasks essential to life. They are your own personalized fountain of youth.

Scientists generally agree that a stem cell should be able to do both of the following:

One theory of ageing suggests that between the ages of 30 and 50, our stem cells reach a turning point and start to decline in number and function. This results in the typical features associated with ageing.

There does not seem to be a single discoverer of stem cells. Accounts date back to the 1800s and even further, but the first successful medical procedure was a bone marrow transfusion in 1939. Advances in immunology led to donor matching, initially via siblings and close relatives. Unrelated donor matching flourished in the 1970s, alongside donor registries.

In the 1980s, scientists identified embryonic stem cells in mice, leading to the 1997 cloning of Dolly the Sheep. This created immense interest for human and medical applications and a backlash in the US as federal R&D funding was essentially halted in 2001.

In 2012, a Nobel Prize was awarded for the earlier discovery of induced pluripotent stem cells (iPS). Essentially, they return potency and self-renewal properties to mature non-stem cells, essentially making them act like stem cells again.

In the decade between 2010 and 2019, the first wave of stem cell start-ups emerged, alongside R&D programmes at many large pharmaceutical companies, leading to innovation and the first human clinical trials for iPS and other related therapies.

According to Q3 2019 data from the Alliance for Regenerative Medicine, there are 959 regenerative medicine companies worldwide sponsoring 1,052 active clinical trials; 525 of these companies are in North America, 233 in Europe and Israel, and 166 in Asia. In aggregate, $7.4 billion has been invested in regenerative medicine companies in 2019; $5.6 billion of which has been dedicated to gene and gene-modified cell therapy, $3.3 billion in cell therapy, and $114 million in tissue engineering.

Overview of the cancer stem cells market

Perhaps most excitingly, curative therapies are hitting the market and the results are astonishing: 60% of Acute Lymphoblastic Leukemia patients taking Novartis Kymirah showed a complete response (no traces of cancer) and were declared in full remission. Meanwhile, 75% of patients with Transfusion-Dependent -Thalassaemia treated with bluebird bios Zynteglo achieved independence from transfusions. Perhaps most astonishingly, 93% of spinal muscular atrophy patients treated with Novartis Zolgensma were alive without permanent ventilation 24 months after treatment. We should expect more medical breakthroughs in the coming years.

New science, new start-ups: several companies in the sector have gone public or been acquired. These exits led to the recycling of talent and capital into new companies. Because the science and commercial systems have also advanced, the companies in the next wave are pursuing bigger challenges, driving innovation, with even greater resources.

Patients are eager: the current market for stem cell therapies is growing at 36% per year, though it will rapidly expand when a breakthrough occurs toward the treatment of a non-communicable disease (such as cancer, diabetes, heart disease) or a lifestyle factor (for example, growing hair in the correct places, expanding cognitive abilities or increasing healthy lifespan).

New R&D models: funding is flowing into the sector from large companies, VC funds, and institutions such as the California Institute for Regenerative Medicine (CIRM) and New York State Stem Cell Science programme (NYSTEM). Some of the leading university R&D platforms include the Center for the Commercialization of Regenerative Medicine in Toronto, the Stanford Institute for Stem Cell Biology and Regenerative Medicine, the Oxford Stem Cell Institute, and most notably, the Harvard Stem Cell Institute (HSCI).

Founded in 2004, HSCI has established a phenomenal track record. It provided the first $200,000 in funding to Derrick Rossis lab, which inspired the largest biotech IPO to date. HSCI scientists were also co-founders or principals in the three most prominent gene-editing companies (CRISPR Tx, Intellia and Editas), the combined $1.55-billion True North/iPierian acquisitions and the recent $950-million acquisition of Semma Tx, Frequency Tx, Fate Tx, Epizyme Inc., and Magenta Tx.

For the casual investor, Evercore ISI is building a Regenerative Medicine Index, which may be the simplest way to build a portfolio. For institutions and those with deeper pockets, regenerative medicine funds are forming, including the Boston-centric Hexagon Regenerative Medicine Fund, which aims to create companies out of the Harvard Stem Cell Institute.

Caveat emptor. Though patients needs are immediate, those seeking treatments should think very carefully about the risks. There are many dubious clinics touting expensive stem cell treatments and some patients have experienced horrifying complications. Dr. Paul Knoepfler of UC-Davis has written a practical and scientifically accurate guide, a strongly recommended read if you or a family member are considering treatment or a clinical trial.

The leading causes of death in 1900 were mostly infectious/communicable diseases. While the prevalence of most causes has diminished, the largest increases include heart disease (+40%) and cancer (+300%). Granted, this is partly due to doubling life expectancy and a lack of death from other causes. However, given time and resources, scientists and physicians may cure these challenging diseases.

Total disease burden by disease or injury

Today, six of the seven leading causes of death are non-communicable diseases (heart disease, stroke, lung diseases, cancer, Alzheimers disease and diabetes). Based on the early promise mentioned above, regenerative medicine may be our best hope to solve the great non-communicable diseases of our time, and perhaps the single most transformative medical innovation in a century.

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The views expressed in this article are those of the author alone and not the World Economic Forum.

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Why stem cells could be the medical innovation of the century - World Economic Forum

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