mmmscience writes with this excerpt from the Examiner: "Big news in the medical world: scientists in Australia have found a way to stop the body from attacking organ transplants, greatly decreasing the possibility of organ rejection. ... When a new tissue is introduced, one's immune system kicks into overdrive, sending out cells known as killer T cells to attack and destroy the unknown tissue. ... Professor Jonathan Sprent and Dr. Kylie Webster from Sydney's Garvan Institute of Medical Research focused on a different type of T cells — known as regulatory T cells (Treg) — in this study. Tregs are capable of quieting the immune system, stopping the killer T cells from seeking out and attacking foreign objects."
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