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A genome-wide cross-phenotype meta-analysis of the association of blood pressure with migraine

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Vis graf over relationer

Blood pressure (BP) was inconsistently associated with migraine and the mechanisms of BP-lowering medications in migraine prophylaxis are unknown. Leveraging large-scale summary statistics for migraine (N cases/N controls = 59,674/316,078) and BP (N = 757,601), we find positive genetic correlations of migraine with diastolic BP (DBP, r g = 0.11, P = 3.56 × 10 −06) and systolic BP (SBP, r g = 0.06, P = 0.01), but not pulse pressure (PP, r g = −0.01, P = 0.75). Cross-trait meta-analysis reveals 14 shared loci (P ≤ 5 × 10 −08), nine of which replicate (P < 0.05) in the UK Biobank. Five shared loci (ITGB5, SMG6, ADRA2B, ANKDD1B, and KIAA0040) are reinforced in gene-level analysis and highlight potential mechanisms involving vascular development, endothelial function and calcium homeostasis. Mendelian randomization reveals stronger instrumental estimates of DBP (OR [95% CI] = 1.20 [1.15–1.25]/10 mmHg; P = 5.57 × 10 −25) on migraine than SBP (1.05 [1.03–1.07]/10 mmHg; P = 2.60 × 10 −07) and a corresponding opposite effect for PP (0.92 [0.88–0.95]/10 mmHg; P = 3.65 × 10 −07). These findings support a critical role of DBP in migraine susceptibility and shared biology underlying BP and migraine.

OriginalsprogEngelsk
Artikelnummer3368
TidsskriftNature Communications
Vol/bind11
Udgave nummer1
Sider (fra-til)3368
Antal sider11
ISSN2041-1723
DOI
StatusUdgivet - 6 jul. 2020

ID: 60626734