Mitochondria-centric activation induced cell death of cytolytic T lymphocytes and its implications for cancer immunotherapy.

Mitochondria-centric activation induced cell death of cytolytic T lymphocytes and its implications for cancer immunotherapy.
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DOI:
10.1016/j.vaccine.2010.04.074
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发表时间:
2010-06-23
期刊:
影响因子:
5.5
通讯作者:
Chhabra, Arvind
Chhabra, Arvind
中科院分区:
医学3区
文献类型:
--
作者:
Chhabra, Arvind

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过继转移的溶细胞T淋巴细胞(CTL)通过激活诱导细胞死亡(AICD)的方式过早死亡是设计有效的抗癌免疫干预策略的主要制约因素之一。因此,了解AICD的机制对于开发干预这一死亡过程的方法至关重要。尽管现有的关于AICD的研究范式主要集中在启动一系列事件,这些事件源于死亡受体的参与,导致效应半胱氨酸酶的激活,并最终导致细胞死亡,但最近的发现质疑了半胱氨酸酶作为细胞死亡执行者的普遍作用。我们在这里综述我们目前对caspase依赖和非caspase依赖的死亡执行者在T细胞AICD中的作用的理解。我们还将讨论线粒体为中心的死亡通路在人类肿瘤相关抗原特异性原发CTL AICD中的作用及其在癌症免疫治疗中的意义。
Premature death of the adoptively transferred cytolytic T lymphocytes (CTL) by means of activation induced cell death (AICD) represents one of the major constraints in devising an effective anti-cancer immune intervention strategy. Understanding the mechanism of AICD is, therefore, critical for developing methods to interfere with this death process. Although the existing paradigm on AICD centers around the initiation of the cascade of events originating from the engagement of death receptors leading to the activation of effector caspases and eventually resulting in cell death, recent findings have questioned the universal role of caspases as the cell death executioners. We here review our current understanding of the contribution of caspase-dependent and caspase-independent death executioners in AICD of T cells. We will also discuss the involvement of mitochondria-centric death pathway in AICD of human tumor associated antigen specific primary CTL and its implications in cancer immunotherapy.
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