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首页> 外文期刊>Nature reviews neuroscience >Neurological disorders: Loss of synapse-related genes in depression.
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Neurological disorders: Loss of synapse-related genes in depression.

机译:神经系统疾病:抑郁症突触相关基因的丧失。

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A reduced number and function of synapses may underlie the smaller size and density of neurons in the dorsolateral prefrontal cortex (dlPFC) of patients with major depressive disorder (MDD). However, a direct causal relationship has not been demonstrated. Using microarray gene profiling and electron microscopic stereology, this study showed that patients with MDD have a reduced expression of various synapse-related genes and fewer synapses. Moreover, expression of the transcriptional repressor GATAl is increased in dlPFC neurons of patients with MDD. In rats, Catal expression caused repression of these synaptic genes and loss of dendritic spines and dendrites, and induced depression-like behaviour. These data suggest that reversing dlPFC atrophy could be a strategy for treating depression.
机译:突触的减少数量和功能可能是重大抑郁症(MDD)的背侧前额甲酯皮层(DLPFC)中神经元的较小尺寸和密度。 但是,尚未证明直接的因果关系。 本研究表明,使用微阵列基因分析和电子显微镜立体术,患有MDD的患者的表达减少了各种突触相关基因和更少的突触。 此外,在MDD患者的DLPFC神经元中增加了转录抑制运动的表达。 在大鼠中,催化表达导致抑制这些突触基因和树突脊柱和树突状的丧失,并诱导抑郁症状的行为。 这些数据表明,逆转DLPFC萎缩可能是治疗抑郁症的策略。

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