Cancer-selective apoptotic effects of extracellular and intracellular Par-4.

Cancer-selective apoptotic effects of extracellular and intracellular Par-4.
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DOI:
10.1038/onc.2010.141
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发表时间:
2010-07-08
期刊:
影响因子:
8
通讯作者:
Rangnekar, V. M.
Rangnekar, V. M.
中科院分区:
医学1区
文献类型:
--
作者:
Shrestha-Bhattarai, T.;Rangnekar, V. M.

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对癌细胞的选择性是癌症治疗中最理想的因素。Par-4是一种癌细胞选择性促凋亡蛋白,其在细胞内的细胞质和细胞核区室中起肿瘤抑制剂的作用。此外,最近的发现表明,Par-4蛋白由细胞分泌,并且细胞外Par-4通过与细胞表面受体GRP 78相互作用诱导癌细胞特异性凋亡。本文综述了细胞外和细胞内Par-4通过其效应域SAC发挥凋亡作用的机制。
Selectivity toward cancer cells is the most desirable element in cancer therapeutics. Par-4 is a cancer cell-selective pro-apoptotic protein that functions intracellularly in the cytoplasmic and nuclear compartments, as a tumor suppressor. Moreover, recent findings indicate that the Par-4 protein is secreted by cells, and extracellular Par-4 induces cancer cell-specific apoptosis by interaction with the cell-surface receptor GRP78. This review describes the mechanisms underlying the apoptotic effects of both extracellular and intracellular Par-4 acting via its effector domain SAC.
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