Role of Neurosteroids in Ischemic Postconditioning-Induced Attenuation of Cerebral Ischemia-Evoked Neuronal Injury and Behavioral Deficits in Mice
January 2015
in “
Der pharmacia lettre
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Studysummary This study found that neurosteroids might play a role in the neuroprotective effects of ischemic postconditioning by reducing brain infarct size and improving motor performance and memory in mice.
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The study explored the role of neurosteroids in mitigating neuronal injury and behavioral deficits in mice following cerebral ischemia through ischemic postconditioning. It involved 5 mice per group and demonstrated that ischemic postconditioning significantly reduced cerebral infarct size and improved motor performance and short-term memory. The administration of metyrapone, an 11ẞ-hydroxylase inhibitor, further enhanced these protective effects, suggesting that neurosteroids contributed to the neuroprotective mechanisms. Conversely, finasteride, a 5α-reductase inhibitor, reversed these benefits. The findings indicated that neurosteroids played a crucial role in the neuroprotective effects of ischemic postconditioning, although further research was necessary to fully elucidate their involvement.
