Kulsoom Farhat, Akbar Waheed, Azhar Hussain, Javeid Iqbal, Qaisar Mansoor, Muhammad Ismail.
Polymorphisms of the ABCB1 Gene in the Pakistani Population.
J Coll Physicians Surg Pak Jan ;25(7):482-5.

Objective: To investigate the frequency of the single nucleotide polymorphism C1236T in exon 12 of the ABCB1 gene in Pakistani population and to compare it with published data on Asian and Caucasian populations. Study Design: A cross-sectional observational study. Place and Duration of Study: Combined Military Hospital, Rawalpindi and Institute of Biomedical and Genetic Engineering (IBGE), Islamabad, from August 2012 to May 2013. Methodology: C1236T polymorphism was investigated in 426 Pakistani subjects. The frequency was compared with the published data on other Asian and Caucasian populations. Results: The frequencies of ABCB1 C1236T were 16.4% for CC, 44.1% for CT and 39.4% for TT. Pakistanis differed significantly from all the European populations compared in the distribution of the TT genotype of C1236T ABCB1 (p < 0.05). The Pakistani population also differed significantly from some of the European populations in the distribution of CC and CT genotype (p < 0.05). Conclusion: There was significant difference in the genotype frequency of the ABCB1 gene compared to other populations. This study has provided a framework for future pharmacogenetic and pharmacokinetic studies on this polymorphic variant of ABCB1 gene in the Pakistani population.

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