ArticleJournal of Parkinson's disease2026
Reactive astrocyte-related pathogenic genes in Parkinson's disease: A multi-omics Mendelian randomization study.
Article in Journal of Parkinson's disease, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
BackgroundReactive astrocytes are one of the pathological features of Parkinson's disease (PD) and are associated with neuroinflammation and neuronal damage.ObjectiveTo explore the causal relationship between reactive astrocyte-related genes and PD through the summary data-based Mendelian randomization (SMR).MethodsWe combined these reactive astrocyte-related Quantitative Trait Loci (QTLs) data with PD genome-wide association study (GWAS) statistics. Using SMR, we explored causal links between gene expression, methylation and protein levels (pQTL) with PD, which were validated through colocalization analysis, replication cohorts and substantia nigra tissue data. The study also explored the causal relationship between DNA methylation and gene expression.ResultsSMR analysis identified 95 mQTLs (corresponding to 44 genes), 9 eQTLs, and 7 pQTLs nominally associated with PD (P-SMR_multi < 0.05 & P-SMR < 0.05, and P-HEIDI > 0.01). There was still a significant causal association between
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