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Stem cell researcher wins 2013 Till & McCulloch Award


Ottawa, ON – A Canadian technology that has the potential to boost the number of stem cells given to patients undergoing transplants of the blood-forming system has been recognized as the most impactful stem cell research paper authored by a Canadian in the past year. Dr. Peter Zandstra has been given the 2013 Till & McCulloch Award in recognition of this contribution to global stem cell research. Dr. Zandstra will accept the award and present a lecture entitled “Engineering pluripotent stem cell derived microtissues” as part of the Till & McCulloch Meetings, Canada’s premier stem cell event.

Dr. Michael Rudnicki, scientific director of the Stem Cell Network, who launched the Till & McCulloch Award in 2005 and will make the award presentation, said the Zandstra group’s publication was chosen due to the impact their technology is expected to have.

“This technology will hasten the promise of regenerative medicine and the therapeutic possibilities of umbilical cord blood and hematopoietic stem cells in particular,” he said. “It is very likely that Fed-Batch technology will improve the outcome of blood system transplants for many patients. We are proud to award the 2013 lecture to Dr. Zandstra for his pioneering work.”

First author Elizabeth Csaszar, Zandstra and his team have developed a new culture system that has the ability to dramatically expand the clinical applications of hematopoietic (blood) stem cells (HSCs). Their breakthrough discovery is based on a Fed-Batch bioreactor technology and has the potential to improve the viability and success of cord blood stem cell transplantation by allowing for better-matched donors and increasing the number of stem cells in a transplant unit.

This new system will accelerate the possibilities of using HSC transplantation in clinical settings, especially in the treatment of certain forms of leukemia. The success rate of blood system transplantation is strongly correlated to the number of cells used. Dr. Zandstra’s Fed-Batch technology can produce over 11 times more HSCs than originally existed and is designed to be adaptively scaled-up for human transplantations in clinical settings.

The article for which the award was granted, published in the February 2012 issue of Cell Stem Cell, entitled “Rapid Expansion of Human Hematopoietic Stem Cells by Automated Control of Inhibitory Feedback Signaling,” explains this novel discovery to expand cord blood cells. Dr. Zandstra is a professor at the University of Toronto’s Institute for Biomaterials & Biomedical Engineering, a principal investigator with the McEwen Centre for Regenerative Medicine and the chief scientific officer at the Centre for Commercialization of Regenerative Medicine.

The Till & McCulloch lecture will take place in Banff on Thursday, October 24, 2013 at 8:45 a.m. at the Fairmont Banff Springs Hotel. The lecture will be broadcast live to the World Conference on Regenerative Medicine being held in Leipzig, Germany.

The Stem Cell Network established the Till & McCulloch Award in honour of Canadians Drs. James Till and Ernest McCulloch, whose pioneering work established the field of stem cell research.