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  • Title: Lack of interaction between a polymorphism in the dopamine D2 receptor gene and the clinical features of migraine.
    Author: Rebaudengo N, Rainero I, Parziale A, Rosina F, Pavanelli E, Rubino E, Mazza C, Ostacoli L, Furlan PM.
    Journal: Cephalalgia; 2004 Jun; 24(6):503-7. PubMed ID: 15154861.
    Abstract:
    The purpose of this study was to evaluate whether a particular genotype of the dopamine D2 receptor (DRD2) gene would affect the clinical features of migraine. In a group of 118 migraineurs (55 migraine with aura and 63 migraine without aura patients), we tested the association of the biallelic C/T NcoI DRD2 polymorphism with several characteristics of the disease. Genotype and allele frequencies resulted similarly distributed in migraine with aura and migraine without aura patients (chi2 = 1.58, P = 0.45 and chi2 = 0.09, P = 0.77, respectively). The different DRD2 genotypes (C/C, C/T and T/T) had no significant effects on age at onset of migraine, presence of premonitory phenomena, frequency of headache attacks, associated symptoms, psychological features and quality of life of our migraine patients. The results of our study do not support a role for the DRD2 gene in modifying the clinical features of migraine.
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