During infections, the immune system needs to distinguish foreign antigens that are expressed by invading bacteria and viruses from self-antigens that are expressed by cells of the body. If not, the immune system can mistakenly attack its own cells, causing lasting damage to tissue and potential long-term disease.
New research from the University of Chicago shows how a specially trained population of immune cells keeps the peace by preventing other immune cells from attacking their own. The…
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News Source: www.sciencedaily.com
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