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Initiation of Behavioral Response to Antidepressants by Cholecystokinin Neurons of the Dentate Gyrus

机译:通过牙齿胆囊过度的胆囊蛋白神经元对抗抑郁药的行为反应

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摘要

Selective serotonin reuptake inhibitors (SSRIs) are the most commonly used class of antidepressant drugs, but the cellular and molecular mechanisms by which their therapeutic action is initiated are poorly understood. Here we show that serotonin 5-HT1B receptors in cholecystokinin (CCK) inhibitory interneurons of the mammalian dentate gyrus (DG) initiate the therapeutic response to antidepressants. In these neurons, 5-HT1B receptors are expressed presynaptically, and their activation inhibits GABA release. Inhibition of GABA release from CCK neurons disinhibits parvalbumin (PV) interneurons and, as a consequence, reduces the neuronal activity of the granule cells. Finally, inhibition of CCK neurons mimics the antidepressant behavioral effects of SSRIs, suggesting that these cells may represent a novel cellular target for the development of fast-acting antidepressant drugs.
机译:选择性血清素再摄取抑制剂(SSRIS)是最常用的抗抑郁药类别,但它们治疗作用的蜂窝和分子机制是较差的理解。 在这里,我们显示胆囊蛋白(CCK)乳腺蛋白(CCK)抑制性肠道(DG)中的血清素5-HT1B受体引发治疗响应抗抑郁药。 在这些神经元中,5-HT1B受体突出地表达,其活化抑制GABA释放。 从CCK神经元的抑制来自CCK神经元的抑制不安全,并且因此降低了颗粒细胞的神经元活性。 最后,CCK神经元的抑制模拟了SSRI的抗抑郁药行为效应,表明这些细胞可以代表一种新型细胞靶来发育快速抗抑郁药物。

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  • 来源
    《Neuron》 |2017年第3期|共17页
  • 作者单位

    Rockefeller Univ Mol &

    Cellular Neurosci Lab New York NY 10065 USA;

    Rockefeller Univ Mol &

    Cellular Neurosci Lab New York NY 10065 USA;

    Rockefeller Univ Mol &

    Cellular Neurosci Lab New York NY 10065 USA;

    Rockefeller Univ Mol &

    Cellular Neurosci Lab New York NY 10065 USA;

    Rockefeller Univ Mol &

    Cellular Neurosci Lab New York NY 10065 USA;

    McGill Univ Montreal Neurol Inst Montreal PQ H3A 2B4 Canada;

    Rockefeller Univ Mol &

    Cellular Neurosci Lab New York NY 10065 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 神经病学;
  • 关键词

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