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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Biophys+Rev
2017 ; 9
(4
): 443-457
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Mitochondrial outer membrane permeabilization: a focus on the role of
mitochondrial membrane structural organization
#MMPMID28823106
Suhaili SH
; Karimian H
; Stellato M
; Lee TH
; Aguilar MI
Biophys Rev
2017[Aug]; 9
(4
): 443-457
PMID28823106
show ga
Apoptosis is important in regulating cell death turnover and is mediated by the
intrinsic and death receptor-based extrinsic pathways which converge at the
mitochondrial outer membrane (MOM) leading to mitochondrial outer membrane
permeabilization (MOMP). MOMP results in the release of apoptotic proteins that
further activate the downstream pathway of apoptosis. Thus, tight regulation of
MOMP is crucial in controlling apoptosis, and a lack of control may lead to
tissue and organ malformation and the development of cancers. Despite a growing
number of studies focusing on the structure and activity of the proteins involved
in mediating MOMP, such as the Bcl-2 family proteins, the mechanism of MOMP is
not well understood. In particular, the crucial role of the various structural
properties and changes in lipid components of the MOM in mediating the
recruitment and activation of different Bcl-2 proteins remains poorly understood.
Furthermore, the factors that control the changes in mitochondrial membrane
integrity from the initiation to the final disruption of MOM have yet to be
clearly defined. In this review, we provide an overview of studies that focus on
the mitochondrial membrane with a biophysical analysis of the interactions of the
Bcl-2 proteins with the mitochondrial membrane.