Journal
JOURNAL OF CEREBRAL BLOOD FLOW AND METABOLISM
Volume 36, Issue 3, Pages 562-568Publisher
NATURE PUBLISHING GROUP
DOI: 10.1177/0271678X15610338
Keywords
Mitochondria; oxidative phosphorylation; oxidative stress; progesterone; sex difference
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Funding
- Inserm
- Mattern Foundation
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This study investigated the effect of intranasal administration of progesterone on the early brain mitochondrial respiratory chain dysfunction and oxidative damage after transient middle cerebral occlusion in male and female mice. We showed that progesterone (8 mg/kg at 1 h post-middle cerebral occlusion) restored the mitochondrial reduced glutathione pool and the nicotinamide adenine dinucleotide-linked respiration in both sexes. Progesterone also reversed the decrease of the flavin adenine dinucleotide-linked respiration, which was only observed in females. Our findings point to a sex difference in stroke effects on the brain respiratory chain and suggest that the actions of progesterone on mitochondrial function may participate in its neuroprotective properties.
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