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垂体腺苷酸环化酶激活肽在实验性偏头痛大鼠中的作用 被引量:2

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摘要 目的观察尾静脉注射垂体腺苷酸环化酶激活肽(PACAP38)大鼠的行为学变化和三叉神经核尾部(TNC)c-fos蛋白的表达,探讨PACAP38诱导偏头痛发作的可能机制。方法将30只Wistar大鼠随机分为5组:空白对照组、硝酸甘油组、PACAP38低剂量组、PACAP 38中剂量组、PACAP38高剂量组,观察大鼠行为学变化。应用免疫组织化学染色法行脑干三叉神经脊束核尾核(TNC)部位c-fos蛋白表达变化的观察。结果 PACAP38中剂量组、PACAP38高剂量组大鼠均有明显的行为学改变和c-fos蛋白免疫阳性细胞数的明显增多,各项观察指标与硝酸甘油组比较无统计学意义(P>0.05),与空白对照组比较有统计学意义(P<0.05)。PACAP38低剂量组大鼠仅出现了耳红,出现及消失时间与硝酸甘油组比较无统计学意义(P>0.05);但其他行为学改变均不明显,TNC部位c-fos蛋白免疫阳性细胞数与空白组比较无明显增加,与硝酸甘油组比较有统计与意义(P<0.0 5)。结论中等剂量(6μg/kg)以上的PACAP38可以诱导大鼠偏头痛发作,可作为制备偏头痛大鼠模型的诱导剂。
作者 程娜 牛争平
出处 《中西医结合心脑血管病杂志》 2011年第5期582-584,共3页 Chinese Journal of Integrative Medicine on Cardio-Cerebrovascular Disease
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二级参考文献7

共引文献69

同被引文献29

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