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Mulder, E.J., Van Baal, C., Gaist, D., Kallela, M., Kaprio, J., Svensson, D.A., Nyholt, D.R., Martin, N.G., MacGregor, A.J., Cherkas, L.F., Boomsma, D.I. and Palotie, A. (2003) Genetic and Environmental Influences on Migraine, a Twin Study across Six Countries. Twin Research, 6,422-431.
https://doi.org/10.1375/136905203770326420

has been cited by the following article:

• TITLE: Evaluation of Risk Related to MTHFR 677C>T Gene Polymorphism in Migraine Patients in Kashmiri Population

  AUTHORS: Arshad A. Pandith, Irfan Y. Wani, Iqbal Qasim, Zafar A. Shah, Saleem Sheikh

  KEYWORDS: MTHFR Gene C677T, Migraine, Allele, Kashmir, Neurological Disorder, Kashmir

  JOURNAL NAME: Open Journal of Preventive Medicine, Vol.7 No.8, August 23, 2017

  ABSTRACT: Objective: Migraine, a common chronic neurological disorder involves a pathophysiology having both multiple genetic and environmental factors. 5, 10-Methylenetetrahydrofolate reductase (MTHFR) involved in folate metabolism has an important role in a cell for folate availability which is critical for DNA integrity. Methods: This case-control study conducted in Srinagar, Kashmir (North India) between 2013 and 2015 was designed to evaluate risk induced due to MTH-FR 677C>T gene polymorphisms to contribute in susceptibility for migraine in Kashmir population (North India). Using the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method, we tested the genotype distribution of 100 migraine patients in comparison with 120 healthy migraine-free controls from the same geographical region. Results: The genotypic frequencies of the patients and controls were not significantly associated (p > 0.05). Higher distribution of TT mutant genotype was found in controls as against the cases (5% versus 1%) but association was not significant (p > 0.05). Per copy frequency of T allele (Val) was found to be 0.14 in cases versus 0.19 in controls (p 0.05). Similar scenario was observed when migraine without aura was compared with controls where variant genotype (16% cases versus 39.0% controls: p > 0.05) as well as allele frequency was found to be less in cases (cases 0.15 versus 0.19 controls: p > 0.05). Conclusions: We conclude that MTHFR gene C677T polymorphism has no role in predisposition to the migraine in our population and cannot serve as a predictive factor for the risk of migraine.