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催产素对产前应激孕鼠母爱行为相关神经元影响的实验研究 被引量:2

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摘要 目的:观察不同剂量催产素对强迫游泳应激的怀孕大鼠生仔后母爱行为相关神经元的影响,探讨其神经内分泌机制。方法:于母鼠怀孕后14d至分娩当天,每天进行一次强迫游泳应激,每次2min。分娩当天用免疫组化方法检测下丘脑室旁核(PVN)催产素(OT)神经元、中脑腹侧被盖区(VTA)多巴胺(DA)神经元数量变化。结果:与对照组比较,应激组和小剂量催产素保护组催产素神经元及多巴胺神经元阳性细胞数目减少(P<0.05)。结论:怀孕后期持续应激能够明显损伤母鼠的母爱行为,而催产素对孕鼠的母爱行为有一定的保护作用,并具有一定的剂量依从性。
出处 《黑龙江医药科学》 2007年第6期47-48,共2页 Heilongjiang Medicine and Pharmacy
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