Mitochondrial Uncoupling: A Key Controller of Biological Processes in Physiology and Diseases

Stéphane Demine, Patricia Renard, Thierry Arnould

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Résumé

Mitochondrial uncoupling can be defined as a dissociation between mitochondrial membrane potential generation and its use for mitochondria-dependent ATP synthesis. Although this process was originally considered a mitochondrial dysfunction, the identification of UCP-1 as an endogenous physiological uncoupling protein suggests that the process could be involved in many other biological processes. In this review, we first compare the mitochondrial uncoupling agents available in term of mechanistic and non-specific effects. Proteins regulating mitochondrial uncoupling, as well as chemical compounds with uncoupling properties are discussed. Second, we summarize the most recent findings linking mitochondrial uncoupling and other cellular or biological processes, such as bulk and specific autophagy, reactive oxygen species production, protein secretion, cell death, physical exercise, metabolic adaptations in adipose tissue, and cell signaling. Finally, we show how mitochondrial uncoupling could be used to treat several human diseases, such as obesity, cardiovascular diseases, or neurological disorders.
langue originaleAnglais
Numéro d'articlecells-08-00795
Pages (de - à)795-838
Nombre de pages43
journalCells
Volume8
Numéro de publication8
Les DOIs
Etat de la publicationPublié - 30 juil. 2019

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