In search of a function for BCLAF1.

In search of a function for BCLAF1.
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DOI:
10.1100/tsw.2010.132
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发表时间:
2010-07-20
影响因子:
--
通讯作者:
McPherson JP
McPherson JP
中科院分区:
其他
文献类型:
--
作者:
Sarras H;Alizadeh Azami S;McPherson JP

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BCLAF1最初被鉴定为一种与Bcl2家族抗凋亡成员相互作用的蛋白质。初步研究表明,该蛋白作为细胞凋亡的诱导剂和转录抑制因子。随后的研究表明,BCLAF1在广泛的过程中发挥关键作用,这些过程通常与Bcl2家族成员的行为无关,包括肺发育、t细胞激活和卡波西氏肉瘤相关疱疹病毒裂解感染程序的控制。在这里,我们概述了过去的研究结果,这些研究支持和质疑BCLAF1在细胞死亡和转录控制中的作用。我们还介绍了我们实验室和其他研究人员的最新发现,表明BCLAF1在影响mRNA代谢的转录后过程中发挥作用,而不是在细胞凋亡或转录中直接发挥作用。
BCLAF1 was originally identified as a protein that interacts with antiapoptotic members of the Bcl2 family. Initial studies indicated a role for this protein as an inducer of apoptosis and repressor of transcription. Subsequent studies have shown that BCLAF1 plays criticals roles in a wide range of processes that are not normally associated with actions of Bcl2 family members, including lung development, T-cell activation, and control of the lytic infection program of Kaposi's sarcoma–associated herpesvirus. Here, we provide an overview of findings from past studies that both support and challenge the role of BCLAF1 in cell death and transcriptional control. We also present recent findings from our laboratory and others indicating a role for BCLAF1 in post-transcriptional processes that impact mRNA metabolism, instead of a direct role for this protein in apoptosis or transcription.
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