Cited by 150Mitochondrial Function and PathologyATP Synthase and ATPases ResearchMetabolism, Diabetes, and Cancer

Mitochondrial Ca 2+ Transport and the Role of Intramitochondrial Ca 2+ in the Regulation of Energy Metabolism

McCormack, James G., Denton, Richard M.·1994·Developmental Neuroscience

Abstract

The mitochondrial inner membrane of all mammalian tissues, including brain tissues, has specific active transport systems for the uptake and egress of Ca2+. The primary role of this transport system is to relay changes in cytosolic [Ca2+], which stimulates energy-requiring processes in the cytosol (e.g. secretion), into the mitochondrial matrix where it stimulates several key steps in energy production. Thus using the same second-messenger molecule, the latter events allow energetic homeostasis to be maintained under conditions of cell stimulation. This appears to be brought about by a co-ordinated enhancement of steps throughout the pathways of oxidative phosphorylation, including substrate supply to the respiratory chain by dehydrogenase activation, activation of the respiratory chain itself by a mechanism which appears to involve changes in the matrix volume, and also possibly activation of the ATP synthetase where the release of a specific inhibitory subunit has been proposed.

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Crossref · 10.1159/000111332

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Authors
McCormack, J. G., & Denton, R. M.
Affiliations
Heriot-Watt University (GB)
Venue
Developmental Neuroscience
Publisher
S. Karger AG
Published
1994-08-18
Volume
15
Issue
3-5
Pages
165-173
ISSN
  • 0378-5866 (ISSN-L)
  • 1421-9859
OpenAlex
W1986720672
Cited by
150
References
0
Citations by year
2026: 2 · 2025: 4 · 2024: 5 · 2023: 5 · 2022: 6 · 2021: 5 · 2020: 8 · 2019: 4 · 2018: 3 · 2017: 9 · 2016: 6 · 2014: 7 · 2013: 3 · 2012: 5
FWCI
1.14
Type
journal article
Language
en
Open access
closed
Locations
  • Developmental Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › ATP Synthase and ATPases Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
mitochondrial calcium transport, mitochondrial calcium, energy metabolism, inner mitochondrial membrane, oxidative phosphorylation, ATP synthase, intracellular calcium, brain mitochondria
MeSH terms
Animals, Biological Transport, Calcium, Energy Metabolism, Humans, Mitochondria

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