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The Journal of Headache and Pain

, Volume 12, Issue 2, pp 193–199

First Online: 23 February 2011Received: 02 September 2010Accepted: 12 December 2010


The aim of our study was to investigate whether genetic variants in the hypocretin receptor 1 HCRTR1 gene could modify the occurrence and the clinical features of migraine. Using a case–control strategy we genotyped 384 migraine patients and 259 controls for three SNPs in the HCRTR1 gene. Genotypic and allelic frequencies of the rs2271933 non-synonymous polymorphism resulted different χ = 9.872, p = 0.007; χ = 8.108, p = 0.004 between migraineurs and controls. The carriage of the A allele was associated with an increased migraine risk OR 1.42, 95% CI 1.11–1.81. When we divided the migraine patients into different subgroups, the difference reached the level of statistical significance only in migraine without aura. The different genotypes had no significant effect on the examined clinical characteristics of the disease. In conclusion, our data supports the hypothesis that the HCRTR1 gene could represent a genetic susceptibility factor for migraine without aura and suggests that the hypocretin system may have a role in the pathophysiology of migraine.

KeywordsMigraine without aura Migraine with aura Hypocretin receptor 1 Hypocretins Genetic association studies  Download fulltext PDF

Autor: Innocenzo Rainero - Elisa Rubino - Salvatore Gallone - Pierpaola Fenoglio - Luigi Rocco Picci - Laura Giobbe - Luca Ostaco

Fuente: https://link.springer.com/

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