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2016 ; 310
(8
): C625-8
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Pivotal role of AKAP121 in mitochondrial physiology
#MMPMID26825124
Czachor A
; Failla A
; Lockey R
; Kolliputi N
Am J Physiol Cell Physiol
2016[Apr]; 310
(8
): C625-8
PMID26825124
show ga
In this Perspective, we discuss some recent developments in the study of the
mitochondrial scaffolding protein AKAP121 (also known as AKAP1, or AKAP149 as the
human homolog), with an emphasis on its role in mitochondrial physiology. AKAP121
has been identified to function as a key regulatory molecule in several
mitochondrial events including oxidative phosphorylation, the control of membrane
potential, fission-induced apoptosis, maintenance of mitochondrial
Ca(2+)homeostasis, and the phosphorylation of various mitochondrial respiratory
chain substrate molecules. Furthermore, we discuss the role of hypoxia in
prompting cellular stress and damage, which has been demonstrated to mediate the
proteosomal degradation of AKAP121, leading to an increase in reactive oxgyen
species production, mitochondrial dysfunction, and ultimately cell death.