共享的神经遗传架构将青少年的神经发育偏差与成人精神病理拖延联系在一起
Yuanyuan Hu1,2, Yancheng Tang3, Wei Li3
1State Key Laboratory of Cognitive Science and Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China.
精神病学拖延具有中度的遗传基础,并且与青春期内核突 (NAcc) 中的神经发育偏差有关. 这些大脑差异预测了未来的拖延,并涉及多巴胺和胺系统.
科学领域:
- 神经遗传学 神经遗传学
- 精神病学是一个精神病学.
- 发育神经科学的发展神经科学.
背景情况:
- 精神病学拖延是一种与精神疾病相关的衰弱现象,但其神经生物学基础尚不清楚.
- 传统观点认为它是一种行为缺陷,需要对其潜在的神经遗传结构进行调查.
研究的目的:
- 为了研究精神病学拖延的神经遗传结构.
- 为了确定神经发育预测因素和精神病学拖延的遗传基础.
主要方法:
- 利用前性青少年双胞胎队列 (N=71对) 进行基线神经解剖成像和8年后期表型化.
- 采用了大脑形态学的规范建模和与人类大脑基因表达数据的转录组合.
- 分析了遗传性,大脑偏差和拖延之间的共同遗传基础,以及神经生物学丰富.
主要成果:
- 已确立精神病学拖延症的中等遗传性 (h2=0.47).
- 青少年神经发育偏差在核 (NAcc) 预测成人精神病理拖延和共享一个强大的遗传基础 (r_g=0.89).
- 鉴定了与多巴胺和血清酶系统丰富的全脑偏差模式,与分子运输,神经免疫反应和神经炎症有关.
结论:
- 精神病学的拖延表现出一个多系统的神经遗传结构与神经发育的先例.
- 研究结果支持将精神病学拖延作为一种神经发育起源的疾病,可能是一种亚临床大脑障碍.
- 突出了调节失调的多巴胺和血清激素途径的作用.
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