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Estrogen intervention in microvascular morphology and choline acetyltransferase expression in rat hippocampal neurons in chronic cerebral ischemia

机译:雌激素干预慢性脑缺血大鼠海马神经元微血管形态和胆碱乙酰转移酶表达

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We observed dynamic changes in microvessels and a protective effect of estrogen on chronic cerebral ischemia ovariectomized rat models established through permanent occlusion of bilateral carotid arteries at 7, 14 and 21 days. The results revealed that estrogen improved microvasculature in the hippocampus of chronic cerebral ischemic rats, upregulated Bcl-2 protein expression, downregulated Bax protein expression, increased choline acetyltransferase expression in hippocampal cholinergic neurons, and suppressed hippocampal neuronal apoptosis. These findings indicate that estrogen can protect hippocampal neurons in rats with chronic cerebral ischemia.
机译:我们观察到微血管的动态变化以及雌激素对通过永久性阻塞双侧颈动脉的第7、14和21天建立的慢性脑缺血去卵巢大鼠模型的保护作用。结果表明,雌激素改善了慢性脑缺血大鼠海马的微血管,上调了Bcl-2蛋白的表达,下调了Bax的蛋白表达,增加了海马胆碱能神经元中胆碱乙酰转移酶的表达,并抑制了海马神经元的凋亡。这些发现表明,雌激素可以保护慢性脑缺血大鼠的海马神经元。

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