Journal
BIOCHEMICAL PHARMACOLOGY
Volume 148, Issue -, Pages 100-110Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bcp.2017.12.018
Keywords
Mitochondria; CCCP; NRF2; TFEB; Mitophagy
Categories
Funding
- Association contre les Maladies Mitochondriales
- Retina France
- Union Nationale des Aveugles et Deficients Visuels
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The ring-substituted derivatives of carbonyl cyanide phenylhydrazone, CCCP and FCCP, are routinely used for the analysis of the mitochondrial function in living cells, tissues, and isolated mitochondrial preparations. CCCP and FCCP are now being increasingly used for investigating the mechanisms of autophagy by inducing mitochondrial degradation through the disruption of the mitochondrial membrane potential (Delta Psi m). Sustained perturbation of Delta Psi m, which is normally tightly controlled to ensure cell proliferation and survival, triggers various stress pathways as part of the cellular adaptive response, the main components of which are mitophagy and autophagy. We here review current mechanistic insights into the induction of mitophagy and autophagy by CCCP and FCCP. In particular, we analyze the cellular modifications produced by the activation of two major pathways involving the signaling of the nuclear factor erythroid 2-related factor 2 (Nrf2) and the transcription factor EB (TFEB), and discuss the contribution of these pathways to the integrated cellular stress response. (C) 2018 Elsevier Inc. All rights reserved.
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