T cell costimulatory pathways: promising novel targets for immunosuppression and tolerance induction.

T cell costimulatory pathways: promising novel targets for immunosuppression and tolerance induction.
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T 细胞共刺激途径:有希望的免疫抑制和耐受诱导新靶点。

DOI:
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发表时间:
1995
影响因子:
13.6
通讯作者:
L. Turka
L. Turka
中科院分区:
医学1区
文献类型:
--
作者:
M. Sayegh;L. Turka

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现在公认的是,T细胞需要两个信号才能完全激活。第一种是由自身主要组织相容性复合体呈递的外来抗原,从而为免疫反应提供抗原特异性。第二种是“共刺激”信号,最典型的信号是由T细胞辅助分子CD28提供的。在体外,共刺激信号的阻断会抑制T细胞的激活,并诱导抗原特异性的无反应状态。在体内,阻断CD28介导的共刺激作用的药物在移植和自身免疫性疾病的实验模型中被证明非常有效地抑制免疫反应,为在不久的将来用于临床试验提供了新的策略。
It is now accepted that T cells need two signals for full activation. The first is the foreign antigen itself presented by self-major histocompatibility complex and thus provides antigen specificity to the immune response. The second is a "costimulatory" signal, the best-characterized of which is provided through the T cell accessory molecule CD28. In vitro, the blockade of costimulatory signals inhibits T cell activation and induces a state of antigen-specific unresponsiveness. In vivo, agents that block CD28-mediated costimulation have proved extremely effective in inhibiting the immune response in experimental models of transplantation and autoimmune disease, providing novel strategies for use in clinical trials in the near future.
CD28 配体、BB-1 和 B7 在体外角质形成细胞和体内银屑病细胞上的表达不一致。
DOI: --
发表时间: 1993
期刊: The American journal of pathology
影响因子: --
作者:
Nickoloff,BJ;Mitra,RS;Lee,K;Turka,LA;Green,J;Thompson,C;Shimizu,Y
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DOI: 10.1126/science.7694363
发表时间: 1993-11-05
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影响因子: --
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发表时间: 1992-11-15
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