BAX unleashed: the biochemical transformation of an inactive cytosolic monomer into a toxic mitochondrial pore.
BAX unleashed: the biochemical transformation of an inactive cytosolic monomer into a toxic mitochondrial pore.
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DOI:
10.1016/j.tibs.2011.08.009
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发表时间:
2011-12
影响因子:
13.8
通讯作者:
Gavathiotis, Evripidis
中科院分区:
文献类型:
--
作者:
Walensky, Loren D.;Gavathiotis, Evripidis
BAX, the BCL-2-associated X protein, is a cardinal pro-apoptotic member of the BCL-2 family, which regulates the critical balance between cellular life and death. Because so many medical conditions can be categorized as diseases of either too many or too few cells, dissecting the biochemistry of BCL-2 family proteins and developing pharmacologic strategies to target them have become high priority scientific objectives. Here, we focus on BAX, a latent, cytosolic, and monomeric protein that transforms into a lethal mitochondrial oligomer in response to cellular stress. New insights into the structural location of BAX's “on” switch, and the multi-step conformational changes that ensue upon BAX activation, are providing fresh opportunities to modulate BAX for potential benefit in human diseases characterized by pathologic cell survival or unwanted cellular demise.
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