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采用免疫组织化学ABC法结合图像定量分析观察杏仁中央核内神经紧张肽和强啡肽标记神经元的年龄变化及牛膝的抗衰老作用.结果:神经紧张肽神经元随月龄增加呈现细胞数减少、细胞面积增加和灰度值增大(P<0.05),22月龄大鼠发现有形态改变.强啡肽神经元左右两侧不同步变化,左侧在9月龄呈现细胞数减少,细胞面积增加、灰度值增大(P<0.05),在22月龄还可见形态改变;右侧在22月才出现细胞数减少、细胞面积增加、灰度值增大(P<0.05),未见明显的形态改变.牛膝喂药组与同月龄大鼠相比,神经紧张肽和强啡肽神经元的细胞数减少、细胞面积增加和灰度值的增大均降低(P<0.05),未见明显的形态改变,证实牛膝有延缓衰老之功效.
Immunohistochemical ABC method combined with image quantitative analysis of amygdalus nucleus neurons and dynorphin labeled neurons of the age changes and the anti-aging effect of Achyranthes.Results: neuronal neurons with increasing age showed the number of cells (P <0.05), morphological changes were observed in 22-month-old rats.Dynorphine neurons did not change synchronously on the left and right sides, the number of cells on the left at 9 months decreased, (P <0.05). At the age of 22 months, morphological changes were also observed. On the right side, the number of cells decreased, the cell area increased and the gray value increased (P <0.05) No significant morphological changes were observed in the experimental group.Compared with the same age group, neurite and dynorphin neurons decreased in number of cells, cell area and gray value increased (P <0.05 ), No obvious morphological changes, confirmed that Achyranthes can delay the effect of aging.