川芎嗪对成体大鼠脑缺血再灌注损伤后海马齿状回细胞增殖的影响
川芎嗪对成体大鼠脑缺血再灌注损伤后海马齿状回细胞增殖的影响
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西安交通大学医学院第二附属医院麻醉科,陕西西安,710004
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Chinese
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西安交通大学医学院第二附属医院麻醉科,陕西西安,710004
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目的 研究川芎嗪(tetramethylpyrazine,TMP)对大鼠脑缺血再灌注损伤后海马齿状回(dentate gyrus,DG)细胞增殖的影响。方法 成年雄性SD大鼠行2h大脑中动脉阻塞手术,术后2h开始腹腔注射TMP[40mg/(kg·d)]。手术后腹腔注射5-溴脱氧尿核苷(5-bromodeoxyuridine,BrdU),末次注射24h后处死动物,免疫组化染色观察TMP对脑缺血再灌注损伤后DG细胞增殖的作用。结果正常组和假手术组在DG有少量BrdU阳性细胞,对照组缺血后1d阳性细胞开始增加,14d达到高峰(P〈0.05),TMP治疗组缺血后1d损伤侧BrdU阳性细胞数开始增加,7d达高峰(P〈0.05)。结论 TMP能促进缺血再灌注损伤大鼠海马齿状回内源性神经干细胞增殖。
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川芎嗪对成体大鼠脑缺血再灌注损伤后海马齿状回细胞增殖的影响
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TN_cdi_wanfang_journals_xaykdxxb200702007
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_xaykdxxb200702007
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ISSN
1671-8259
DOI
10.3969/j.issn.1671-8259.2007.02.007