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免疫细胞表型和代谢物在双相情感障碍风险中的作用:基于门德尔随机化的调解分析

Xueying Zhou¹, Ji Hu²

¹Department of Psychiatry, Liyuan Hospital of Tongji Medical College, Huazhong University of Science and Technology, whly958813652@163.com, wuhan, People's Republic of China.

European archives of psychiatry and clinical neuroscience

|November 5, 2025

概括

这项研究揭示了特定的B细胞表型,血液代谢物和双相情感障碍 (BD) 风险之间的遗传联系. 研究结果表明,通过阿尔法-基异酸盐,原始成熟B细胞通过BD影响BD的途径,提供了新的治疗点.

科学领域:

精神病学遗传学精神病学遗传学
免疫代谢过程中的免疫代谢.
门德尔的随机化

背景情况:

双极性障碍 (BD) 是一种复杂的精神疾病,受遗传和环境因素的影响.
免疫功能障碍和代谢变化与BD有关,但它们的因果作用尚不清楚.

研究的目的:

使用遗传数据调查免疫细胞表型,血液代谢物和BD风险之间的因果关系.
探索潜在的免疫代谢途径,有助于BD的发病.

主要方法:

两个样本的门德尔随机化 (MR) 分析利用大规模的全基因组关联研究 (GWAS) 总结数据.
针对BD风险数据 (n=413,466) 调查了731种免疫特征和486种血液代谢物.
采用各种MR方法 (IVW,MR-Egger,加权中位数) 和先进分析 (双向,两步,多变量MR) 来评估直接和间接的影响.

主要成果:

特定的B细胞表型与BD风险有显著的关联;天真成熟的B细胞显示出相反的关联,而CD24+CD27+B细胞显示出积极的关联.
几种代谢物与BD风险有关,包括肉丁衍生物 (风险降低) 和酸,α-基酸和脂衍生物 (风险增加).
原始成熟的B细胞与α-hydroxyisovalerate水平有积极的关联,中介分析确定了显著的间接途径 (P=0.046).

结论:

遗传证据支持免疫细胞形状,代谢物和BD之间的因果关系.
确定了一种潜在的免疫代谢途径,该途径涉及B细胞和B细胞和B细胞在BD病变发生过程中的alpha-hydroxyisovalerate.
这些发现表明BD生物标志物开发和治疗干预的新目标.

关键词:

双极性障碍是一种双极性障碍.遗传流行病学遗传流行病学免疫细胞是免疫细胞.调解分析调解分析门德尔的随机化代谢物的代谢物.神经炎症是一种神经炎症.

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