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增龄对大鼠局灶性脑缺血/再灌注损伤的影响

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摘要 目的观察增龄对大鼠局灶性脑缺血/再灌注损伤(CI/RI)的影响。方法应用线栓的方法,对10、16周龄的雄性SD大鼠作局部脑缺血2 h、再灌24 h模型,观察增龄对大鼠神经症状缺失评分、脑损伤面积、病理形态、脑组织乳酸(LD)、乳酸脱氢酶(LDH)及血清中LDH和肌酸激酶(CK)的影响。结果CI/RI 24 h,两个年龄组神经症状缺失评分及脑损伤面积明显增大,病理形态改变严重、脑组织LD及LDH明显下降,血清中LDH和CK明显升高,以16周龄更为严重。结论CI/RI随年龄增长损伤程度增加,可能与脑的老龄化相关。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2009年第15期1930-1932,共3页 Chinese Journal of Gerontology
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