Getting Past the Guards  

Oleh:

[s.n]

Jenis: Article from Bulletin/Magazine
Dalam koleksi: The Economist (http://search.proquest.com/) vol. 401 no. 8762 (Dec. 2011), page 15-16.
Topik: Transplants & Implants; Immune System; Medical Research
Fulltext: Getting Past the Guards.pdf (24.57KB)

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Perpustakaan Pusat (Semanggi) Nomor Panggil: EE29.69 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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One of the greatest advances of the "heroic" side of medicine over the past few decades has been transplant surgery. Some 70,000 lives are saved every year by kidney transplants, and 30,000 others by heart, lung, liver and pancreas transplants. But recipients of such new organs have to pay a price. They must take drugs which suppress the activity of their immune systems--and thus their propensity to reject foreign tissues. Although these drugs keep them alive, they open their bodies to infection. A better way of subverting the defences put up by the immune system would thus be welcome. Joseph Wu and Jeremy Pearl of Stanford University think they have come up with one. Past work on immune rejection has shown that a group of immune-system cells called T cells play a crucial role in alerting the immune system to the presence of transplanted organs in the first place. Using this insight, Dr Wu and Mr Pearl focused their attention on disrupting T-cell activity.

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