- News Home
5 December 2013 11:26 am ,
Vol. 342 ,
An animal rights group known as the Nonhuman Rights Project filed lawsuits in three New York courts this week in an...
Researchers have been hot on the trail of the elusive Denisovans, a type of ancient human known only by their DNA and...
Thousands of scientists in the Russian Academy of Sciences (RAS) are about to lose their jobs as a result of the...
Dyslexia, a learning disability that hinders reading, hasn't been associated with deficits in vision, hearing, or...
Exotic, elusive, and dangerous, snakes have fascinated humankind for millennia. They can be hard to find, yet their...
Researchers have sequenced and analyzed the first two snake genomes, which represent two evolutionary extremes. The...
Snake venoms are remarkably complex mixtures that can stun or kill prey within minutes. But more and more researchers...
At age 30, Dutch biologist Freek Vonk has built up a respectable career as a snake scientist. But in his home country,...
- 5 December 2013 11:26 am , Vol. 342 , #6163
- 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.