A Genome-Wide Association Study Identifies a Candidate Gene Associated With Atazanavir Exposure Measured in Hair

Bani Tamraz, Yong Huang, Audrey L. French, Seble Kassaye, Kathryn Anastos, Marek J. Nowicki, Stephen Gange, Deborah R. Gustafson, Peter Bacchetti, Ruth M. Greenblatt, Pirro G. Hysi, Bradley Aouizerat

Research output: Contribution to journalArticle

Abstract

Hair provides a direct measure of long-term exposure of atazanavir (ATV). We report the results of the first genome-wide association study (GWAS) of ATV exposure measured in hair in an observational cohort representative of US women living with HIV; the Women's Interagency HIV Study. Approximately 14.1 million single nucleotide polymorphisms (SNPs) were analyzed in linear regression-based GWAS, with replication, adjusted for nongenetic predictors collected under conditions of actual use of ATV in 398 participants. Lastly, the PharmGKB database was used to identify pharmacogene associations with ATV exposure. The rs73208473, within intron 1 of SORCS2, resulted in a 0.46-fold decrease in ATV exposure, with the strongest association (P=1.71×10-8) in GWAS. A priori pharmacogene screening did not identify additional variants statistically significantly associated with ATV exposure, including those previously published in ATV plasma candidate pharmacogene studies. The findings demonstrate the potential value of pharmacogenomic GWAS in ethnically diverse populations under conditions of actual use.

Original languageEnglish (US)
JournalClinical Pharmacology and Therapeutics
DOIs
StateAccepted/In press - Jan 1 2018

Fingerprint

Genome-Wide Association Study
Hair
Genes
HIV
Pharmacogenetics
Atazanavir Sulfate
Introns
Single Nucleotide Polymorphism
Linear Models
Databases
Population

ASJC Scopus subject areas

  • Pharmacology
  • Pharmacology (medical)

Cite this

A Genome-Wide Association Study Identifies a Candidate Gene Associated With Atazanavir Exposure Measured in Hair. / Tamraz, Bani; Huang, Yong; French, Audrey L.; Kassaye, Seble; Anastos, Kathryn; Nowicki, Marek J.; Gange, Stephen; Gustafson, Deborah R.; Bacchetti, Peter; Greenblatt, Ruth M.; Hysi, Pirro G.; Aouizerat, Bradley.

In: Clinical Pharmacology and Therapeutics, 01.01.2018.

Research output: Contribution to journalArticle

Tamraz, B, Huang, Y, French, AL, Kassaye, S, Anastos, K, Nowicki, MJ, Gange, S, Gustafson, DR, Bacchetti, P, Greenblatt, RM, Hysi, PG & Aouizerat, B 2018, 'A Genome-Wide Association Study Identifies a Candidate Gene Associated With Atazanavir Exposure Measured in Hair', Clinical Pharmacology and Therapeutics. https://doi.org/10.1002/cpt.1014
Tamraz, Bani ; Huang, Yong ; French, Audrey L. ; Kassaye, Seble ; Anastos, Kathryn ; Nowicki, Marek J. ; Gange, Stephen ; Gustafson, Deborah R. ; Bacchetti, Peter ; Greenblatt, Ruth M. ; Hysi, Pirro G. ; Aouizerat, Bradley. / A Genome-Wide Association Study Identifies a Candidate Gene Associated With Atazanavir Exposure Measured in Hair. In: Clinical Pharmacology and Therapeutics. 2018.
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