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17 April 2014 12:48 pm ,
Vol. 344 ,
Officials last week revealed that the U.S. contribution to ITER could cost $3.9 billion by 2034—roughly four times the...
An experimental hepatitis B drug that looked safe in animal trials tragically killed five of 15 patients in 1993. Now,...
Using the two high-quality genomes that exist for Neandertals and Denisovans, researchers find clues to gene activity...
A new report from the Intergovernmental Panel on Climate Change (IPCC) concludes that humanity has done little to slow...
Astronomers have discovered an Earth-sized planet in the habitable zone of a red dwarf—a star cooler than the sun—500...
Three years ago, Jennifer Francis of Rutgers University proposed that a warming Arctic was altering the behavior of the...
- 17 April 2014 12:48 pm , Vol. 344 , #6181
- About Us
Live Chat: The Science of Organ Transplantation
20 June 2012 8:57 am
See below for the chat box. Join us each Thursday at 3 p.m. EDT for a live conversation with leading scientists and expert reporters.
Our immune system keeps us safe from dangerous bacteria and viruses. But it also treats a life-saving heart or kidney transplant as an invader and ultimately destroys it. What new methods are researchers developing to allow transplanted organs to survive longer in hosts? Can they use the body's own immune-controlling cells to rein in immune attacks on organ transplants? And can they find ways to use organs from animals to provide substitutes for donated human organs, which are in short supply?
Join us for a live chat at 3 p.m. EDT on Thursday, 21 June, on this page. You can leave your questions in the comment box below before the chat starts. The full text of the chat will be archived on this page.
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David K. C. Cooper
David Cooper is a professor of surgery at the Thomas E. Starzl Transplantation Institute of the University of Pittsburgh Medical Center. As a former heart transplant surgeon, he concluded that the major limiting factor in all transplant programs is the inadequate number of organs that become available from deceased human donors. In an effort to develop a new unlimited source of organs and cells for transplantation in patients, he and his colleagues are exploring the possibility of using organs and cells from genetically engineered pigs for this purpose.
Dr. Vu Nguyen is an Assistant Professor at the University of Chicago. He currently studies the development and function of regulatory T cells (Tregs) and the role of the microflora in models of hematologic malignancies and stem cell transplantation. His laboratory is particularly interested in dissecting regulatory pathways that control tissue and organ-specific immunity.
When he isn't wrestling small crocodilians, Mitch Leslie writes about immunology and cell biology for Science.