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Epilepsy and stroke: A mendelian Randomization study

delete2025-12-01
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PRE
AI
S
Siyuan Chen
M
Madison Crago
A
Alain Lekoubou *
DOI:10.1016/j.eplepsyres.2025.107714delete
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摘要

摘要

En 中文
背景:观察性研究已确立卒中和癫痫之间的关系。尽管大多数研究报告卒中后癫痫风险增加,但较少研究得出癫痫诊断会增加未来卒中风险的结论。精确描述癫痫与卒中之间的因果关系具有临床和公共卫生意义。 方法:我们采用两样本孟德尔随机化(MR)分析癫痫与卒中之间的关系。我们从卒中多系谱全基因组关联研究[GCST005838(67,162例病例和454,450例对照)]和国际抗癫痫联盟复杂癫痫研究联盟[全面性癫痫:GCST007343(n_case=3769,n_control=29677),局灶性癫痫:GCST007352(n_case=9671,n_control=29677)]中识别遗传工具变量。我们采用p值<5×10⁻⁵的显著性阈值进行遗传工具变量识别。我们纳入以下癫痫表型:全面性癫痫(GE)、局灶性癫痫(FE)、儿童失神癫痫(CAE)、青少年失神癫痫(JAE)、青少年肌阵挛癫痫(JME)、全面性癫痫伴强直-阵挛发作(GTCS)、局灶性癫痫伴海马硬化(局灶HS)和病灶阴性局灶性癫痫。采用1000基因组计划连锁不平衡(LD)参考面板修剪(Pearson相关系数<0.2),确保分析仅限于独立变异。我们使用Steiger过滤处理反向因果关系,并采用Z分数分析全面性癫痫和局灶性癫痫。我们采用以下方法估计因果效应:逆方差加权(IVW)、MR-Egger、MR-RAPS和MR-PRESSO。 结果:对于GE与卒中(GE>卒中)、卒中与GE(卒中>GE)、FE与卒中(FE>卒中)及卒中与FE(卒中>FE)的关联,SNP数量分别为253、213、187和210。GE与卒中风险增加相关[IVW,95%置信区间:0.058(0.028-0.088)],且卒中也与GE风险增加相关[IVW:0.059(0.026-0.092)]。FE与卒中风险增加相关[IVW:0.066(0.029-0.102)],且卒中与FE风险增加相关[IVW:0.037(0.005-0.068)]。按癫痫亚型分析显示,仅在卒中患者中观察到以下癫痫亚型风险增加:JAE、CAE、局灶HS和病灶阴性局灶性癫痫。 结论:我们的研究结果表明卒中和癫痫之间存在双向关系。关于卒中后癫痫的研究应考虑这种双向关系。
Keyword:
Mendelian randomization
Post-stroke epilepsy
Post-epilepsy stroke
Genome-wide association study (GWAS)
Causal inference
bidirectional relationship
Population genetics

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Epilepsy Research 封面图
Epilepsy Research
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pennsylvania commonwealth system of higher education (pcshe)
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被引数: 177
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pennsylvania state university
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