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首页> 外文期刊>The European Journal of Neuroscience >GABA-immunoreactive starburst amacrine cells in pigmented and albino rats.
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GABA-immunoreactive starburst amacrine cells in pigmented and albino rats.

机译:有色和白化病大鼠的GABA免疫反应性星爆无长突细胞。

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摘要

In this study we tested whether the critical anatomical substrate for retinal direction selectivity is altered in albino mammals. We used dual immunostaining for GABA and choline acetyltransferase and quantitatively analyzed the number of double-labelled starburst amacrine cells in wild-type and albino rats. In albino rats, the percentage of ON-amacrine cells with high GABA content was significantly lower than in pigmented animals. OFF-amacrines did not significantly differ between the two rat strains. Thus, the decreased GABA content in ON-amacrine cells could reflect an altered neuronal substrate for retinal direction selectivity. These results are discussed in relation to the optokinetic deficits described in albino mammals.
机译:在这项研究中,我们测试了在白化病哺乳动物中视网膜方向选择性的关键解剖底物是否发生了改变。我们对GABA和胆碱乙酰转移酶进行了双重免疫染色,并定量分析了野生型和白化病大鼠中双标记星状突突无长突细胞的数量。在白化病大鼠中,具有高GABA含量的ON-amacrine细胞的百分比明显低于有色动物。在两个大鼠品系之间,OFF-金刚烷没有显着差异。因此,ON-amacrine细胞中GABA含量的降低可能反映了神经元底物对视网膜方向选择性的改变。关于白化病哺乳动物中描述的视动学缺陷讨论了这些结果。

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