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Property "Has-20abstract" (as page type) with input value "-5B-5BImage:MITOEAGLE-2Dlogo.jpg-7Cleft-7C100px-7Clink=http:-2F-2Fwww.mitoglobal.org-2Findex.php-2FMITOEAGLE-7CCOST-20Action-20MITOEAGLE-5D-5D-0AStroke-20is-20one-20of-20most-20common-20diseases-20leading-20to-20disability-20or-20mortality-20with-20limited-20therapeutic-20options.-20The-20risk-20for-20stroke-20increases-20with-20aging.-20However,-20molecular-20mechanisms-20leading-20to-20increased-20neuronal-20death-20in-20aging-20brains-20are-20not-20well-20understood.-20Most-20of-20the-20research-20on-20ischemia-2Dinduced-20cellular-20perturbations-20are-20performed-20using-20young-20adult-20animals-20and-20there-20are-20just-20a-20few-20studies-20on-20mitochondrial-20functions-20and-20ischemia-2Dinduced-20mitochondrial-20permeability-20transition-20during-20the-20lifespan.-20It-20is-20also-20important-20to-20note-20that-20brain-20regions-20have-20a-20different-20composition-20of-20neurons-20and-20glial-20cells,-20and-20this-20may-20cause-20different-20sensitivity-20to-20ischemia-2Dinduced-20damages.-20In-20this-20study,-20we-20performed-20a-20comparative-20analysis-20of-20respiratory-20functions-20and-20calcium-20retention-20capacity-20of-20mitochondria-20isolated-20from-20cortex-20and-20cerebellum-20of-20rats-20(normal-20and-20exposed-20to-20simulated-20-27-27in-20vitro-27-27-20ischemia)-20at-20various-20ages:-20neonatal-20(7-20dyas),-20young-20adults-20(2-2D3-20months),-20mature-20adults-20(7-2D10-20months),-20and-20aged-20(24-20months).-20We-20found-20that-20ischemia-20caused-20persistent-20inhibition-20of-20respiration-20of-20mitochondria-20isolated-20from-20cortex-20(characterized-20as-20glial-2Drich-20region)-20at-20all-20ages-20of-20animals.-20However,-20calcium-20retention-20capacity-20(a-20measure-20of-20mitochondrial-20permeability-20transition)-20of-20cortical-20mitochondria-20was-20decreased-20after-20ischemia-20only-20in-20young-20and-20mature-20adults-20and-20aging-20rats,-20whereas-20neonatal-20mitochondrial-20calcium-20retention-20capacity-20was-20not-20affected-20by-20ischemia.-20Ischemia-20induced-20inhibition-20of-20cerebellar-20mitochondrial-20respiration-20at-20the-20age-20of-207-20days,-202-2D3-20and-2024-20months,-20whereas-20calcium-20retention-20capacity-20after-20ischemia-20decreased-20only-20in-20mitochondria-20from-20cerebellum-20of-20mature-20adults-20and-20aging-20rats.-20These-20data-20revealed-20age-2Ddependent-20differences-20in-20mitochondrial-20respiratory-20functions-20and-20permeability-20transition-20induced-20by-20total-20brain-20ischaemia-20in-20two-20brain-20regions-20–-20cortex-20and-20cerebellum." contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process.

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