CTLA-4 trafficking and surface expression.
CTLA-4 trafficking and surface expression.
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DOI:
10.1016/j.it.2008.02.011
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发表时间:
2008-06
影响因子:
16.8
通讯作者:
Schneider H
中科院分区:
文献类型:
--
作者:
Valk E;Rudd CE;Schneider H
The T-cell co-receptor cytotoxic T-cell antigen 4 (CTLA-4) has a strong inhibitory role as shown by the lymphoproliferative phenotype of CTLA-4-deficient mice. Despite its potent effects on T-cell function, CTLA-4 is primarily an intracellular antigen whose surface expression is tightly regulated by restricted trafficking to the cell surface and rapid internalisation. Recently, several signalling molecules such as Trim, PLD, ARF-1 and TIRC7 have been described to be involved in the transport of CTLA-4 to the cell surface. Minor changes in surface expression levels have major effects on the outcome of T-cell activation. Optimal regulation of CTLA-4 surface expression is crucial for the balance of stimulatory and inhibitory signals to maximize protective immune responses while maintaining immunological tolerance and preventing autoimmunity.
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影响因子:
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作者:
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通讯作者:
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DOI:
10.1084/jem.188.10.1849
发表时间:
1998-11-16
期刊:
The Journal of experimental medicine
影响因子:
--
作者:
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通讯作者:
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