Gene-wide characterization of common quantitative trait loci for ABCB1 mRNA expression in normal liver tissues in the Chinese population.

In order to comprehensively screen genetic variants leading to differential expression of the important human ABCB1 gene in the primary drug-metabolizing organ, ABCB1 mRNA expression levels were measured in 73 normal liver tissue samples from Chinese subjects. A set of Tag SNPs. were genotyped. In a...

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Autores principales: Weihua Shou, Dazhi Wang, Kaiyue Zhang, Beilan Wang, Zhimin Wang, Jinxiu Shi, Wei Huang
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Publicado: Public Library of Science (PLoS) 2012
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Acceso en línea:https://doaj.org/article/e7f89663c2894a1ab9d26fc532ec6be3
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spelling oai:doaj.org-article:e7f89663c2894a1ab9d26fc532ec6be32021-11-18T08:13:48ZGene-wide characterization of common quantitative trait loci for ABCB1 mRNA expression in normal liver tissues in the Chinese population.1932-620310.1371/journal.pone.0046295https://doaj.org/article/e7f89663c2894a1ab9d26fc532ec6be32012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23050008/?tool=EBIhttps://doaj.org/toc/1932-6203In order to comprehensively screen genetic variants leading to differential expression of the important human ABCB1 gene in the primary drug-metabolizing organ, ABCB1 mRNA expression levels were measured in 73 normal liver tissue samples from Chinese subjects. A set of Tag SNPs. were genotyped. In addition, imputation was performed within a 500 kb region around the ABCB1 gene using the reference panels of 1,000 Genome project and HapMap III. Bayesian regression was used to assess the strength of associations by compute Bayes Factors for imputed SNPs. Through imputation and linkage disequilibrium analysis, the imputed loci rs28373093, rs1002205, rs1029421, rs2285647, and rs10235835, may represent independent and strong association signals. rs28373093, a polymorphism 1.5 kb upstream from the ABCB1 transcription start site, has the strongest association. 2677 G>A/T and 3435C>T confer a clear gene-dosage effect on ABCB1 mRNA expression. The systematic characterization of gene-wide common quantitative trait loci associated with ABCB1 mRNA expression in normal liver tissues would provide the candidate markers to ABCB1-relevant clinical phenotypes in Chinese population.Weihua ShouDazhi WangKaiyue ZhangBeilan WangZhimin WangJinxiu ShiWei HuangPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 9, p e46295 (2012)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Weihua Shou
Dazhi Wang
Kaiyue Zhang
Beilan Wang
Zhimin Wang
Jinxiu Shi
Wei Huang
Gene-wide characterization of common quantitative trait loci for ABCB1 mRNA expression in normal liver tissues in the Chinese population.
description In order to comprehensively screen genetic variants leading to differential expression of the important human ABCB1 gene in the primary drug-metabolizing organ, ABCB1 mRNA expression levels were measured in 73 normal liver tissue samples from Chinese subjects. A set of Tag SNPs. were genotyped. In addition, imputation was performed within a 500 kb region around the ABCB1 gene using the reference panels of 1,000 Genome project and HapMap III. Bayesian regression was used to assess the strength of associations by compute Bayes Factors for imputed SNPs. Through imputation and linkage disequilibrium analysis, the imputed loci rs28373093, rs1002205, rs1029421, rs2285647, and rs10235835, may represent independent and strong association signals. rs28373093, a polymorphism 1.5 kb upstream from the ABCB1 transcription start site, has the strongest association. 2677 G>A/T and 3435C>T confer a clear gene-dosage effect on ABCB1 mRNA expression. The systematic characterization of gene-wide common quantitative trait loci associated with ABCB1 mRNA expression in normal liver tissues would provide the candidate markers to ABCB1-relevant clinical phenotypes in Chinese population.
format article
author Weihua Shou
Dazhi Wang
Kaiyue Zhang
Beilan Wang
Zhimin Wang
Jinxiu Shi
Wei Huang
author_facet Weihua Shou
Dazhi Wang
Kaiyue Zhang
Beilan Wang
Zhimin Wang
Jinxiu Shi
Wei Huang
author_sort Weihua Shou
title Gene-wide characterization of common quantitative trait loci for ABCB1 mRNA expression in normal liver tissues in the Chinese population.
title_short Gene-wide characterization of common quantitative trait loci for ABCB1 mRNA expression in normal liver tissues in the Chinese population.
title_full Gene-wide characterization of common quantitative trait loci for ABCB1 mRNA expression in normal liver tissues in the Chinese population.
title_fullStr Gene-wide characterization of common quantitative trait loci for ABCB1 mRNA expression in normal liver tissues in the Chinese population.
title_full_unstemmed Gene-wide characterization of common quantitative trait loci for ABCB1 mRNA expression in normal liver tissues in the Chinese population.
title_sort gene-wide characterization of common quantitative trait loci for abcb1 mrna expression in normal liver tissues in the chinese population.
publisher Public Library of Science (PLoS)
publishDate 2012
url https://doaj.org/article/e7f89663c2894a1ab9d26fc532ec6be3
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