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Homeostasis and Self-Tolerance in the Immune System: Turning Lymphocytes Off

The immune system responds in a regulated fashion to microbes and eliminates them, but it does not respond to self-antigens. Several regulatory mechanisms function to terminate responses to foreign antigens, returning the immune system to a basal state after the antigen has been cleared, and to main...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1998-04, Vol.280 (5361), p.243-248
Main Authors: Van Parijs, Luk, Abbas, Abul K.
Format: Article
Language:English
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Summary:The immune system responds in a regulated fashion to microbes and eliminates them, but it does not respond to self-antigens. Several regulatory mechanisms function to terminate responses to foreign antigens, returning the immune system to a basal state after the antigen has been cleared, and to maintain unresponsiveness, or tolerance, to self-antigens. Here, recent advances in understanding of the molecular bases and physiologic roles of the mechanisms of immune homeostasis are examined.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.280.5361.243