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Published on: March 30, 2014
Pharmacogenetic differentiation across Latin America
Guilherme Suarez-Kurtz1, Gilderlanio Santana de Araújo2
1Divisão de Pesquisa Clínica e Desenvolvimento Tecnológico, Instituto Nacional de Câncer, Rio de Janeiro, Brazil.
Abstract:
Aim: To explore the pharmacogenetic differentiation across Latin American populations, using the fixation index statistics (F). Materials & methods: F analyses were applied to 1519 pharmacogenetic markers in the 1000 Genomes admixed American superpopulation (1KG_AMR) and an admixed Brazilian sample. Results: Allele-specific F values for the overall cohort point to little overall pharmacogenetic differentiation (average F = 0.017); however, moderate differentiation (F = 0.05-0.15) was observed for 83 markers, while large differentiation (F = 0.15-0.25) was restricted to three markers. Pairwise F analysis identified three markers with very large differentiation (F >0.25). Conclusion: The present study verifies and extends previous reports of little overall pharmacogenetic divergence across Latin America, although a number of markers display substantial differentiation.
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