Cited by 189Mitochondrial Function and PathologyCell death mechanisms and regulationCardiac Ischemia and Reperfusion

Mitochondrial membrane permeability transition and cell death

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Tsujimoto, Yoshihide, Nakagawa, Takashi, Shimizu, Shigeomi·2006·Biochimica et Biophysica Acta (BBA) - Bioenergetics

Abstract

Mitochondria are important organelles for energy production, Ca2+ homeostasis, and cell death. In recent years, the role of the mitochondria in both apoptotic and necrotic cell death has received much attention. In apoptotic and necrotic death, an increase of mitochondrial membrane permeability is considered to be one of the key events, although the detailed mechanism remains to be elucidated. The mitochondrial membrane permeability transition (MPT) is a Ca2+-dependent increase in the permeability of the mitochondrial membrane that leads to loss of Deltapsi, mitochondrial swelling, and rupture of the outer mitochondrial membrane. The MPT is thought to occur after the opening of a channel, which is termed the permeability transition pore (PTP) and putatively consists of the voltage-dependent anion channel (VDAC), the adenine nucleotide translocator (ANT), cyclophilin D (Cyp D: a mitochondrial peptidyl prolyl-cis, trans-isomerase), and other molecule(s). Our studies of mice lacking Cyp D have revealed that it is essential for occurrence of the MPT and that the Cyp D-dependent MPT regulates some forms of necrotic cell death, but not apoptotic death. We have also shown that two anti-apoptotic proteins, Bcl-2 and Bcl-x(L), block the MPT by directly inhibition of VDAC activity. Here we summarize a role of the MPT in cell death.

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Crossref · 10.1016/j.bbabio.2006.03.017

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  • The MPT pore is formed by structural molecules including VDAC, ANT, and CyPD.

    “The MPT pore is a protein pore formed by structural molecules such as voltage-dependent anion channel, ANT, and cyclophilin D (CyPD) (Tsujimoto et al., 2006).”

    From Mitochondrial Dysfunction Induced by Sertraline, an Antidepressant Agent (2012) · cites this paper as Tsujimoto et al., 2006

    Section 2 (page not provided) says the MPT pore is thought to be a channel complex consisting of VDAC, ANT, Cyp D and other molecules, but explicitly says its exact nature remains undetermined. Section 3 further reports that MPT occurs in mice lacking ANT1 and ANT2. The citing sentence names the proposed components correctly but presents their structural role as established rather than putative. (LLM, conf=0.90)

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Authors
Tsujimoto, Y., Nakagawa, T., & Shimizu, S.
Affiliations
Japan Science and Technology Agency (JP)
Corresponding author
Tsujimoto, Yoshihide
Venue
Biochimica et Biophysica Acta (BBA) - Bioenergetics
Publisher
Elsevier BV
Published
2006-09
Volume
1757
Issue
9-10
Pages
1297-1300
ISSN
0005-2728 (ISSN-L)
OpenAlex
W2015990527
Cited by
188
References
30
Citations by year
2026: 2 · 2025: 2 · 2024: 6 · 2023: 6 · 2022: 7 · 2021: 3 · 2020: 5 · 2019: 8 · 2018: 5 · 2017: 6 · 2016: 6 · 2015: 5 · 2014: 10 · 2013: 8 · 2012: 18
FWCI
1.64
Type
journal article
Language
en
Open access
Locations
  • Biochimica et Biophysica Acta (BBA) - Bioenergetics (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Ministry of Education, Culture, Sports, Science and Technology
  • Ministry of Health, Labour and Welfare
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Cardiac Ischemia and Reperfusion
Keywords
mitochondrial permeability transition, mitochondrial permeability transition pore, cyclophilin D, voltage-dependent anion channel, adenine nucleotide translocase, apoptosis, necrosis, mitochondrial membrane permeability, mitochondrial membrane potential, mitochondrial swelling, Bcl-2, Bcl-xL, anti-apoptotic proteins, calcium homeostasis
MeSH terms
Peptidyl-Prolyl Isomerase F, Animals, Necrosis, Permeability, Cell Death, Proto-Oncogene Proteins c-bcl-2, Cyclophilins, Mitochondrial Membranes

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