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门德尔随机化分析支持脑成像衍生的表型与腰部疼痛风险之间的因果关系
Xiao-Yan Xie1, Jian-Wei Lin2, Jia-Yu Fang3
1Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China; Shenshan Medical Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Shanwei 516621, China.
Brain research bulletin
|June 26, 2025
概括
这项研究使用了门德尔的随机化来调查脑成像衍生的表型 (IDP) 和腰部疼痛 (LBP) 之间的因果关系. 调查结果显示,有45名内在流离失所者因果影响LBP风险,为预测提供潜在的脑成像生物标志物.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 是一个遗传学.
- 流行病学 流行病学
背景情况:
- 腰部疼痛 (LBP) 是全球导致残疾和生产力丧失的主要原因.
- 观察性研究表明大脑成像衍生的表型 (IDP) 和LBP之间的联系,但因果关系仍然未被证明.
研究的目的:
- 通过双向双样本的门德尔随机化 (MR) 来研究587个大脑IDP和LBP之间的因果关系.
- 为了确定特定的脑成像标记,可能因果影响发展LBP的风险.
主要方法:
- 使用了来自英国生物银行 (N=33,224) 针对国内流离失所者和芬兰基因数据库 (13,178例,164,682例对照) 针对LBP的总结数据.
- 采用逆方差加权 (IVW) 作为主要的MR方法,并补充了MR Egger,加权中位数和其他灵敏度分析.
- 进行了双向MR,以评估两个方向的影响:国内流离失所者对LBP风险和国内流离失所者对LBP风险.
主要成果:
- 鉴定了45个具有对LBP风险因果影响的证据的IDP.
- 前进MR显示了12个与增加LBP风险相关的IDP (OR1.06-1.93) 和19个与风险降低相关的IDP (OR0.61-0.92).
- 反向MR表明基因预测的LBP与6名IDP (β0.10-0.17) 有正相关,与8名IDP (β-0.15至-0.10) 有负相关.
结论:
- 在特定的脑成像衍生的表型和腰部疼痛风险之间建立了因果关系.
- 研究结果表明,有可能使用脑成像标记器来预测LBP风险.
- 突出了门德尔随机化的实用性,以了解大脑结构/功能和LBP之间的复杂相互作用.
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