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胰岛素诱导的低血糖大鼠下丘脑增食欲素-A的表达 被引量:3

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摘要 目的:探讨急性低血糖应激对大鼠下丘脑增食欲素-A(orexin-A)的表达影响。方法:胰岛素皮下注射建立急性低血糖大鼠模型,检测外周血中葡萄糖和胰岛素水平的变化。采用免疫组织化学染色观察下丘脑orexin-A表达的改变和灰度值测量,观察其染色强度。结果:低血糖禁食组大鼠下丘脑orexin-A的表达明显增加(P<0.05),而低血糖进食组orexin-A表达无明显改变。灰度分析显示低血糖禁食组染色强度最高,与对照组比较有明显统计学差异(P<0.05)。结论:急性血糖的降低可以增强大鼠下丘脑orexin-A的表达,而摄食行为可抑制此效应。
出处 《中国应用生理学杂志》 CAS CSCD 2014年第3期212-213,217,共3页 Chinese Journal of Applied Physiology
基金 陕西省教育厅自然科学项目(2013JK0752) 延安大学自然科学专项科研项目(YDQ2013-02)
关键词 增食欲素-A 下丘脑 低糖血症 胰岛素 禁食 orexin- A hypothalamus hypoglycemia insulin fasting
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参考文献6

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二级参考文献8

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