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The role of mitochondria in apoptosis.

Authors
Jeong, SY; Seol, DW
Citation
BMB reports, 41(1):11-22, 2008
Journal Title
BMB reports
ISSN
1976-66961976-670X
Abstract
Apoptosis (programmed cell death) is a cellular self-destruction mechanism that is essential for a variety of biological events, such as developmental sculpturing, tissue homeostasis, and the removal of unwanted cells. Mitochondria play a crucial role in regulating cell death. Ca2+ has long been recognized as a participant in apoptotic pathways. Mitochondria are known to modulate and synchronize Ca2+ signaling. Massive accumulation of Ca2+ in the mitochondria leads to apoptosis. The Ca2+ dynamics of ER and mitochondria appear to be modulated by the Bcl-2 family proteins, key factors involved in apoptosis. The number and morphology of mitochondria are precisely controlled through mitochondrial fusion and fission process by numerous mitochondria-shaping proteins. Mitochondrial fission accompanies apoptotic cell death and appears to be important for progression of the apoptotic pathway. Here, we highlight and discuss the role of mitochondrial calcium handling and mitochondrial fusion and fission machinery in apoptosis.
MeSH terms
AnimalsApoptosis/physiology*Calcium/physiologyHumansMitochondria/physiology*Models, BiologicalSignal Transduction/physiology
PMID
18304445
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Medical Genetics
AJOU Authors
정, 선용
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