World Breakthrough: A New Molecule Allows for an Increase in Stem Cell Transplants

By NEVAGiles23

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Newswise Investigators from the Institute for Research in Immunology and Cancer (IRIC) at the Universit de Montral have just published, in the prestigious magazine Science, the announcement of the discovery of a new molecule, the first of its kind, which allows for the multiplication of stem cells in a unit of cord blood. Umbilical cord stem cells are used for transplants aimed at curing a number of blood-related diseases, including leukemia, myeloma and lymphoma. For many patients this therapy comprises a treatment of last resort.

Directed by Dr. Guy Sauvageau, principal investigator at IRIC and hematologist at the Maisonneuve-Rosemont Hospital, this world breakthrough has the potential to multiply by 10 the number of cord blood units available for a transplant in humans. In addition, it will considerably reduce the complications associated with stem cell transplantation. And it will be particularly useful for non-Caucasian patients for whom compatible donors are difficult to identify.

A clinical study using this molecule, named UM171 in honor of the Universit de Montral, and a new type of bioreactor developed for stem culture in collaboration with the University of Toronto will be initiated in December 2014 at the Maisonneuve-Rosemont Hospital.

According to Dr. Guy Sauvageau, This new molecule, combined with the new bioreactor technology, will allow thousands of patients around the world access to a safer stem cell transplant. Considering that many patients currently cannot benefit from a stem cell transplant for lack of matching donors, this discovery looks to be highly promising for the treatment of various types of cancer.

The Centre of Excellence for Cellular Therapy at the Maisonneuve-Rosemont Hospital will serve as production unit for these stem cells, and grafts will then be distributed to patients in Montreal, Quebec City and Vancouver for this first Canadian clinical study. Tangible results should be available one year later, that is, in December 2015. The significance of this new discovery is such that over time, conclusive clinical results could revolutionize the treatment of leukemia and other blood-related illnesses.

These extraordinary advances result from the efforts of a remarkable team that includes extremely gifted students and postdoctoral investigators working in the IRIC laboratories, adds Dr. Guy Sauvageau. Among them, the first authors of this publication: Iman Fars, doctoral student, and Jalila Chagraoui, research officer, along with the professionals in IRICs medical chemistry core facility under the direction of Anne Marinier, who optimized the therapeutic properties of this new molecule.

Context

Umbilical cord blood from newborn children is an excellent source of hematopoietic stem cells for stem cell transplants, since their immune system is still immature and the stem cells have a lower probability of inducing an adverse immune reaction in the recipient.

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World Breakthrough: A New Molecule Allows for an Increase in Stem Cell Transplants

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categoriaBone Marrow Stem Cells commentoComments Off on World Breakthrough: A New Molecule Allows for an Increase in Stem Cell Transplants | dataSeptember 18th, 2014

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