Abstract：
:Over-expression of efflux transporter P-glycoprotein (PgP) encoded by ABCB1 gene has been implicated in poor responsive epilepsy. Several genetic variants have been shown to influence the expression levels of P-glycoprotein. The aim of the present study was to investigate the role of ABCB1 polymorphisms: C1236T, G2677T/A and C3435T in determining drug response to first line antiepileptic drugs (AEDs) namely phenobarbitone, phenytoin, carbamazepine and valproate in North Indian cohort of epilepsy patients. DNA samples were obtained from 392 consecutive epilepsy patients, out of which 228 had completed follow-up evaluation at 12 months. After attaining steady state of the AEDs in the first two months of study, 133 patients showed complete freedom from seizures (no-seizure group) and 95 patients continued to have seizures (recurrent-seizures group) in the remaining period of study. Comparison of "no-seizure" and "recurrent-seizures" groups revealed no significant differences in allelic, genotypic and haplotypic frequencies for all the studied variants. In conclusion, our finding disproves a general association between ABCB1 polymorphisms and drug response in epilepsy patients.
journal_name
Biochimiejournal_title
Biochimieauthors
Grover S,Bala K,Sharma S,Gourie-Devi M,Baghel R,Kaur H,Gupta M,Talwar P,Kukreti Rdoi
10.1016/j.biochi.2010.04.008subject
Has Abstractpub_date
2010-09-01 00:00:00pages
1207-12issue
9eissn
0300-9084issn
1638-6183pii
S0300-9084(10)00146-Xjournal_volume
92pub_type
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