在主要抑郁症和精神分裂症中,皮质厚度变化的共同遗传结构
He Wang1, Qiyu Zhao1, Yijing Zhang1
1Department of Radiology, Tianjin Key Laboratory of Functional Imaging & Tianjin Institute of Radiology, Tianjin Medical University General Hospital, Tianjin 300052, China.
这项研究揭示了重大抑郁症 (MDD) 和精神分裂症 (SCZ) 影响皮层厚度的共同遗传因素. 这些发现为精确的精神病治疗提供了潜在的跨诊断标记.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 遗传学 是一个
- 精神病学是一个精神病学.
背景情况:
- 重度抑郁症 (MDD) 和精神分裂症 (SCZ) 是具有已知的皮质厚度改变的遗传性脑疾病.
- 这些皮层变化的共同遗传基础在很大程度上仍然未知.
研究的目的:
- 调查MDD和SCZ皮层厚度变化的共享遗传结构.
- 为了确定共同的基因和神经生物学途径涉及到两个疾病.
主要方法:
- 系统的文献搜索和基于MDD和SCZ的皮质厚度研究的坐标元分析.
- 全基因组关联研究 (GWAS) 总结统计数据被用来通过结合错误发现率 (conjFDR) 识别共享的基因组位置.
- 进行了转录组神经成像关联和丰富分析,以识别和理解共享基因的生物学意义.
主要成果:
- 分析包括34个MDD和19个SCZ研究,揭示了每个疾病的显著皮质厚度变化.
- 357个基因组位点与MDD和SCZ联合相关.
- 确定了55个与皮层厚度变化相关的共享基因,涉及神经系统发育,细胞亡和细胞通信.
结论:
- 这项研究阐明了MDD和SCZ中皮质厚度变化的共同遗传基础.
- 鉴定的基因和途径代表了在精神疾病中推进精准医学的潜在跨诊断标记.
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