Pulse Brain · Growing Health Evidence Index
Peer-reviewed

Epigenome-wide meta-analysis of DNA methylation differences in prefrontal cortex implicates the immune processes in Alzheimer’s disease

Lanyu Zhang, Tiago C. Silva, Juan I. Young, Lissette Gomez, Michael A. Schmidt, Kara L. Hamilton‐Nelson, Brian W. Kunkle, Xi Chen, Eden R. Martin, Lily Wang

Nature Communications · 2020

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Summary

DNA methylation differences in Alzheimer's disease (AD) have been reported. Here, we conducted a meta-analysis of more than 1000 prefrontal cortex brain samples to prioritize the most consistent methylation differences in multiple cohorts. Using a uniform analysis pipeline, we identified 3751 CpGs and 119 differentially methylated regions (DMRs) significantly associated with Braak stage. Our analysis identified differentially methylated genes such as MAMSTR, AGAP2, and AZU1. The most significant DMR identified is located on the MAMSTR gene, which encodes a cofactor that stimulates MEF2C. Notably, MEF2C cooperates with another transcription factor, PU.1, a central hub in the AD gene network. Our enrichment analysis highlighted the potential roles of the immune system and polycomb repressive

Subject
Other / interdisciplinary
Source type
Peer-reviewed study
System type
Other
DOI
10.1038/s41467-020-19791-w
Catalogue ID
SNmoj1yuue-97erdp
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