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    The hormones estrogen and progesterone alter physiological functions, including the estrus cycle and relevant neurological and synaptic activity. Here, we determined the extent to which estrus cycle stage interacts with an inflammatory stimulus, lipopolysaccharide (LPS), to alter synaptic mitochondrial respiration in female rats. LPS elevated synaptic mitochondrial respiration of rats in estrus, but not diestrus. Likewise, estrogen concentration correlated with multiple respiratory metrics in LPS treated females in estrus. These data suggest estrogen likely modulates synaptic mitochondrial respiration in a high progesterone environment. Copyright © 2021. Published by Elsevier Inc.


    Gladys A Shaw, Molly M Hyer, Elizabeth Dustin, Samya K Dyer, Imogen L Targett, Gretchen N Neigh. Acute LPS exposure increases synaptosomal metabolism during estrus but not diestrus. Physiology & behavior. 2021 Oct 01;239:113523

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    PMID: 34229031

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