期刊
BRITISH JOURNAL OF PHARMACOLOGY
卷 147, 期 3, 页码 239-248出版社
WILEY
DOI: 10.1038/sj.bjp.0706556
关键词
mitochondria; apoptosis; Bcl-2; Bax; BH3 domain; cancer; mitochondrial membrane permeabilization; mitochondrial permeability transition; reactive oxygen species; cyclosporine A; mitochondrial membrane potential
Mitochondria, the cells powerhouses, are essential for maintaining cell life, and they also play a major role in regulating cell death, which occurs upon permeabilization of their membranes. Once mitochondrial membrane permeabilization (MMP) occurs, cells die either by apoptosis or necrosis. Key factors regulating MMP include calcium, the cellular redox status ( including levels of reactive oxygen species) and the mobilization and targeting to mitochondria of Bcl-2 family members. Contemporary approaches to targeting mitochondria in cancer therapy use strategies that either modulate the action of Bcl-2 family members at the mitochondrial outer membrane or use specific agents that target the mitochondrial inner membrane and the mitochondrial permeability transition (PT) pore. The aim of this review is to describe the major mechanisms regulating MMP and to discuss, with examples, mitochondrial targeting strategies for potential use in cancer therapy.
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