T-cell tolerance: central and peripheral.
T-cell tolerance: central and peripheral.
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DOI:
10.1101/cshperspect.a006957
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发表时间:
2012-06-01
影响因子:
7.2
通讯作者:
Hogquist KA
中科院分区:
文献类型:
--
作者:
Xing Y;Hogquist KA
Somatic recombination of TCR genes in immature thymocytes results in some cells with useful TCR specificities, but also many with useless or potentially self-reactive specificities. Thus thymic selection mechanisms operate to shaper the T cell repertoire. Thymocytes that have a TCR with low affinity for self-peptide-MHC complexes are positively selected to further differentiate and function in adaptive immunity, whereas useless ones die by neglect. Clonal deletion and clonal diversion (Treg differentiation) are the major processes in the thymus that eliminate or control self-reactive T cells. Although these processes are thought to be efficient they are insufficient to in all circumstances. Thus, peripheral tolerance processes exists, wherein self-reactive T cells become functional unresponsive (anergy) or are deleted after encountering self-antigens outside of the thymus. Recent advances in mechanistic studies of central and peripheral T cell tolerance are promoting the development of therapeutic strategies to treat autoimmune disease and cancer and improve transplantation outcome.
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DOI:
10.4049/jimmunol.181.8.5225
发表时间:
2008-10-15
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
作者:
Dooley J;Erickson M;Farr AG
通讯作者:
Farr AG
影响因子:
64.8
作者:
Daniels, Mark A.;Teixeiro, Emma;Palmer, Ed
通讯作者:
Palmer, Ed
影响因子:
30.5
作者:
Aschenbrenner, Katharina;D'Cruz, Louise M.;Klein, Ludger
通讯作者:
Klein, Ludger
影响因子:
56.9
作者:
Anderson, MS;Venanzi, ES;Mathis, D
通讯作者:
Mathis, D
影响因子:
30.5
作者:
Derbinski, J;Schulte, A;Klein, L
通讯作者:
Klein, L