血液循环的无细胞线粒体DNA作为主要抑郁障碍的潜在生物标志物:一个元分析
Yaman Zhang1,2,3, Mingzhe Zhao1, Shijie Song1
1Department of Neurobiology, Affiliated Mental Health Center & Hangzhou Seventh People's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
Translational psychiatry
|February 6, 2026
概括
血液中细胞自由线粒体DNA (ccf-mtDNA) 的升高与严重抑郁症 (MDD) 有关. 这种生物标志物对诊断晚年抑郁症和以前未服用过药物的抑郁症特别有希望,有助于客观评估.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 是一个遗传学.
- 生物化学 生物化学
背景情况:
- 线粒体功能障碍与严重抑郁症 (MDD) 有关.
- 对MDD缺乏可靠的生物标志物.
- 循环无细胞线粒体DNA (ccf-mtDNA) 为MDD中线粒体应激提供了一个潜在的微侵袭生物标志物.
研究的目的:
- 系统地评估血液中ccf-mtDNA水平与MDD之间的关联.
- 调查这种关联的潜在调节者,如年龄和抗抑郁药的使用.
主要方法:
- 在八个数据库中进行了系统的文献搜索.
- 对13项涉及1370名参与者 (837名MDD,533名对照) 的研究进行了元分析.
- 统计综合使用了Lipták-Stouffer Z-score方法,具有灵敏度和分层分析.
主要成果:
- 血中ccf-mtDNA水平升高与MDD显著相关 (p=0.013).
- 在老年人 (≥60岁),未服用药物的患者和北美队列中观察到更强烈的关联.
- 在年轻人,药物治疗患者或亚洲/欧洲样本中没有发现显著的关联.
结论:
- 这一元分析确立了血中ccf-mtDNA升高和MDD之间的显著联系.
- 年龄和抗抑郁药物暴露极大地调节了这种关联.
- 血液ccf-mtDNA可以作为晚年和药物先验抑郁症的生物标志物,支持客观诊断和个性化治疗.
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