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Title: Genetic Variations and Frequencies of the Two Functional Single Nucleotide Polymorphisms of SLCO1B1 in the Thai Population
Authors: Chalitpon Na nakorn
Jariya Waisayarat
Charungthai Dejthevaporn
Pornpen Srisawasdi
Sansanee Wongwaisayawan
Chonlaphat Sukasem
Faculty of Medicine, Ramathibodi Hospital, Mahidol University
Prince of Songkla University
Keywords: Medicine;Pharmacology, Toxicology and Pharmaceutics
Issue Date: 5-Jun-2020
Citation: Frontiers in Pharmacology. Vol.11, (2020)
Abstract: © Copyright © 2020 Na nakorn, Waisayarat, Dejthevaporn, Srisawasdi, Wongwaisayawan and Sukasem. Aim: To investigate the variations and the frequencies of the SLCO1B1 gene in the Thai population. Methods: Collected samples were categorized into five regions of Thailand. DNA samples were genotyped for two variants, c.388A>G and c.521T>C of the SLCO1B1, using TaqMan® real-time PCR. Results: The minor allele frequencies (MAFs) of two single nucleotide polymorphisms (SNPs) were not significantly different among the five regions. The most frequent haplotype was SLCO1B1*1b (frequency: 0.654), followed by *1a (frequency: 0.217), *15 (frequency: 0.128), and *5 (frequency: 0.001). We observed a similar frequency of OATP1B1 transporter phenotypes compared to other populations. 75.85% of the Thai subjects showed normal OATP1B1 activity, 22.5% showed intermediate OATP1B1 activity, and 1.58% showed low OATP1B1 activity. Conclusion: This study reported the frequencies of the SLCO1B1 variants and the subsequent OATP1B1 activity in a large cohort of Thais that can provide important information for the guidance of personalized drug therapy.
ISSN: 16639812
Appears in Collections:Scopus 2020

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