Journal
FASEB JOURNAL
Volume 34, Issue 10, Pages 13106-13124Publisher
WILEY
DOI: 10.1096/fj.202000767R
Keywords
mitochondrial adaptation; mitochondrial dysfunction; mitochondrial flexibility; mitochondrial metabolism; mitochondrial stress; oxygen consumption; respiratory reserve capacity; spare reserve capacity; uncoupling ratio
Categories
Funding
- Ligue Contre le Cancer [001ARB]
- Region Haut de France
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Mitochondrial metabolism must constantly adapt to stress conditions in order to maintain bioenergetic levels related to cellular functions. This absence of proper adaptation can be seen in a wide array of conditions, including cancer. Metabolic adaptation calls on mitochondrial function and draws on the mitochondrial reserve to meet increasing needs. Among mitochondrial respiratory parameters, the spare respiratory capacity (SRC) represents a particularly robust functional parameter to evaluate mitochondrial reserve. We provide an overview of potential SRC mechanisms and regulation with a focus on its particular significance in cancer cells.
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