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Saadi Abdul , VAHABa and Moinak , BANERJEE (2009) Analysis of Genotype and Haplotype Effects of ABCB1 (MDR1) Polymorphisms in the Risk of Medically Refractory Epilepsy in an Indian Population. Drug metabolism and pharmacokinetics, 24 (3). pp. 255-60. ISSN 1880-0920

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The transmembrane P-glycoprotein that functions as a drug-efflux transporter coded by ATPbinding cassette, subfamily B, member 1/Multidrug Resistance 1 (ABCB1/MDR1) gene is considered relevant to drug absorption and elimination, with access to the central nervous system. Effects of three ABCB1 single nucleotide polymorphisms (SNPs) in genotypic and haplotypic combination have been evaluated in a south Indian population for risk of pediatric medically refractory epilepsy. The study included age and sex matched medically refractory (N=113) cases and drug responsive epilepsy patients (N=129) as controls, belonging to the same ethnic population recruited from a tertiary referral centre, of Karnataka, Southern India. The genotype frequencies of SNPs c.1236CÀT, c.2677GÀT/A, and c.3435CÀT were determined from genomic DNA of the cases and controls by PCR- RFLP and confirmatory DNA sequencing. 256 normal population samples of the same ethnicity were genotyped for the three loci to check for population stratification. Results indicate that there was no statistically significant difference between allele and genotype frequencies of refractory and drug responsive epilepsy patients. The predicted haplotype frequencies of the three polymorphisms did not show significant difference between cases and controls. The results confirm earlier observations on absence of association of ABCB1 polymorphisms with medically refractory epilepsy.

Item Type: Article
Uncontrolled Keywords: epilepsy; refractory; ABCB1; association; allele; haplotype
Subjects: Human Molecular Genetics
Depositing User: Rgcb Library
Date Deposited: 16 Oct 2019 06:51
Last Modified: 16 Oct 2019 06:51
URI: http://rgcb.sciencecentral.in/id/eprint/890

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