Integrative genetic analysis identifies shared regulation of DNA methylation and gene expression in migraine risk.

Migraine is a common condition affecting about 14% of adults. Despite many studies identifying genetic risk factors, the exact biological mechanisms remain unclear. Environmental triggers like hormones, diet, and stress may influence migraines through changes in DNA. These changes involve a process called DNA methylation, which can regulate gene expression. Many genetic variants linked to migraines do not code for proteins, making their effects harder to understand. This research combined genetic data with DNA methylation and gene expression to better understand migraine risks. The study analyzed data from over 102,000 migraine patients and nearly 771,000 healthy individuals. Researchers focused on 86,518 specific sites in the DNA to identify patterns. This approach aims to clarify how genetic factors contribute to migraine development and could lead to new treatment strategies. Understanding these mechanisms may improve prevention and management of migraines in affected individuals. Clinical relevance: This research highlights potential genetic and epigenetic targets for developing better migraine treatments.