An ICE‐like protease is a common mediator of apoptosis induced by diverse stimuli in human monocytic THP.1 cells

An ICE‐like protease is a common mediator of apoptosis induced by diverse stimuli in human monocytic THP.1 cells
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ICE 样蛋白酶是人单核细胞 THP.1 细胞中多种刺激诱导的细胞凋亡的常见介质

DOI:
10.1016/0014-5793(95)01116-v
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发表时间:
1995
期刊:
影响因子:
3.5
通讯作者:
G. Cohen
G. Cohen
中科院分区:
生物学3区
文献类型:
--
作者:
Huijun Zhu;H. Fearnhead;G. Cohen

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在THP.1细胞,一种人单核细胞肿瘤细胞系中,通过不同的刺激,包括放线菌酮,毒胡萝卜素,依托泊苷和星形孢菌素诱导细胞凋亡。在胰蛋白酶样蛋白酶抑制剂氯甲基酮(TLCK)存在下,除依托泊苷外,所有这些刺激物诱导的细胞凋亡均得到增强。通过形态学、流式细胞术和生物化学标准(包括聚(ADP-核糖)聚合酶的蛋白水解和DNA裂解为大片段)评估的细胞凋亡诱导,当细胞用ICE样蛋白酶抑制剂Z瓦尔Ala Ala Asp·fluoromethylketone预处理时完全消除。这表明ICE同源物是THP. 1细胞中凋亡的共同介质。
Apoptosis was induced in THP.1 cells, a human monocytic tumour cell line, by diverse stimuli including cycloheximide, thapsigargin, etoposide and staurosporine. Induction of apoptosis by all these stimuli, except etoposide, was enhanced in the presence of the trypsin‐like protease inhibitor, chloromethyl ketone (TLCK). Induction of apoptosis, assessed by morphological, flow cytometric and biochemical criteria, including proteolysis of poly(ADP‐ribose) polymerase and cleavage of DNA to large kilobasepair fragments, was completely abrogated when cells were pretreated with an ICE‐like protease inhibitor, ZValAlaAsp·fluoromethylketone. This suggested that an ICE homologue was a common mediator of apoptosis in THP.1 cells.
DOI: 10.1093/jnci/82.9.749
发表时间: 1990-05-02
影响因子: 10.3
作者:
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DOI: 10.1016/s0021-9258(18)47344-9
发表时间: 1994-12
期刊: The Journal of biological chemistry
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发表时间: 1992
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