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Genomic Ancestry, CYP2D6, CYP2C9, and CYP2C19 Among Latin Americans

  • RIBEF Ibero-American Network of Pharmacogenetics and Pharmacogenomics
  • RIBEF Ibero-American Network of Pharmacogenetics and Pharmacogenomics
  • Universidade Federal de Minas Gerais
  • Universidade Federal do Triângulo Mineiro
  • University of Extremadura
  • Universidad Peruana Cayetano Heredia
  • IPN
  • Universidad Autónoma Metropolitana
  • Instituto de Ciencias del Mar
  • Pontificia Universidad Católica Argentina Santa María de los Buenos Aires - UCA
  • Centro Comunitario de Salud Mental de la Habana Vieja
  • Universidad Nacional Autónoma de Nicaragua
  • University of Coimbra, Center for Neuroscience and Cell Biology
  • Universidad de Montevideo
  • University of Costa Rica

Research output: Contribution to journalArticlepeer-review

52 Scopus citations

Abstract

We present the distribution of CYP2D6, CYP2C9, and CYP2C19 variants and predicted phenotypes in 33 native and admixed populations from Ibero-America (n > 6,000) in the context of genetic ancestry (n = 3,387). Continental ancestries are the major determinants of frequencies of the increased-activity allele CYP2C19*17 and CYP2C19 gUMs (negatively associated with Native American ancestry), decreased-activity alleles CYP2D6*41 and CYP2C9*2 (positively associated with European ancestry), and decreased-activity alleles CYP2D6*17 and CYP2D6*29 (positively associated with African ancestry). For the rare alleles, CYP2C9*2 and CYPC19*17, European admixture accounts for their presence in Native American populations, but rare alleles CYP2D6*5 (null-activity), CYP2D6-multiplication alleles (increased activity), and CYP2C9*3 (decreased-activity) were present in the pre-Columbian Americas. The study of a broad spectrum of Native American populations from different ethno-linguistic groups show how autochthonous diversity shaped the distribution of pharmaco-alleles and give insights on the prevalence of clinically relevant phenotypes associated with drugs, such as paroxetine, tamoxifen, warfarin, and clopidogrel.

Original languageEnglish
Pages (from-to)257-268
Number of pages12
JournalClinical Pharmacology and Therapeutics
Volume107
Issue number1
DOIs
StatePublished - 1 Jan 2020

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