期刊
JOURNAL OF HEADACHE AND PAIN
卷 11, 期 2, 页码 151-156出版社
SPRINGER-VERLAG ITALIA SRL
DOI: 10.1007/s10194-010-0202-7
关键词
Chronic migraine; Triptans; Pyrosequencing; Pharmacogenomics; Genetic liability
Chronic migraine (CM) prevalence ranges around 1-5%. Most of these patients usually treat their acute attacks with triptans, whose efficacy is extremely variable. A genetic basis for migraine is evident and many susceptibility genes have been described, as well as gene polymorphisms possibly implied in therapy response. Several factors could be involved in the evolution of episodic migraine into a chronic form, such as natural history, psychiatric comorbidity, and the individual's response to therapy. During a study aimed at detecting connections between genotype and response to triptans administration, we characterized a CM population for polymorphisms in the genes coding for monoamine oxidase A, g-protein beta 3 and the cytochromes CYP3A4 and CYP1A2. Alleles and genotypes distributions were compared with known frequencies of healthy Caucasian populations. A significant association with CM was found for the long allele of monoamine oxidase A 30 bp VNTR and CYP1A2*1F variant. Such genomic analysis is part of an integrated platform able to evaluate different levels of metabolic pathways of drugs in CM and their influence in the chronicization process.
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