期刊
CURRENT OPINION IN IMMUNOLOGY
卷 14, 期 6, 页码 779-782出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/S0952-7915(02)00398-9
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Autoreactive lymphocytes are suppressed in healthy individuals by so-called peripheral tolerance. Accumulating evidence indicates that co-receptor signaling plays a pivotal role in the regulation of autoreactive lymphocytes. The positive regulatory co-receptors CD28 and inducible co-stimulator (ICOS) transduce stimulatory cosignals, whereas the negative regulatory co-stimulators CTLA-4 and PD-1 are critical for the regulation of peripheral tolerance and autoimmunity. PD-1 deficient mice develop lupus-like glomerulonephritis and arthritis on a C57Bl/6 background and autoimmune-dilated cardiomyopathy on a BALB/c background.
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