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Hydrogen sulfide (H2S) metabolism in mitochondria and its regulatory role in energy production [Cell Biology]
Although many types of ancient bacteria and archea rely on hydrogen sulfide (H2S) for their energy production, eukaryotes generate ATP in an oxygen-dependent fashion. We hypothesize that endogenous H2S remains a regulator of energy production in mammalian cells under stress conditions, which enables the body to cope with energy demand when oxygen supply is insufficient. Cystathionine γ-lyase (CSE) is a major H2S-producing enzyme in the cardiovascular system that uses cysteine as the main substrate. Here we show that CSE is localized only in the cytosol, not in mitochondria, of vascular...
Published By: MedWorm/Stress - Wednesday, 22 February
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