Geographic distribution of the 3435C>T polymorphism of the MDR1 gene in Peruvian populations

Background The MDR1 gene presents several genetic polymorphisms with pharmacological implications. Therefore, the aim of the present study is to establish the genotype and allele frequencies of 3435C>T polymorphism of MDR1 gene into Peruvian populations (Coastal, Andean and Amazonian ecoregions),...

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Autores principales: Valencia Ayala, Edward, Marcos Carbajal, Pool, Barbosa Coelho, Eduardo, Sandoval, Jose Sandoval, Salazar‐Granara, Alberto
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Publicado: 2019
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author Valencia Ayala, Edward
Marcos Carbajal, Pool
Barbosa Coelho, Eduardo
Sandoval, Jose Sandoval
Salazar‐Granara, Alberto
author_browse Barbosa Coelho, Eduardo
Marcos Carbajal, Pool
Salazar‐Granara, Alberto
Sandoval, Jose Sandoval
Valencia Ayala, Edward
author_facet Valencia Ayala, Edward
Marcos Carbajal, Pool
Barbosa Coelho, Eduardo
Sandoval, Jose Sandoval
Salazar‐Granara, Alberto
author_sort Valencia Ayala, Edward
collection Producción científica
description Background The MDR1 gene presents several genetic polymorphisms with pharmacological implications. Therefore, the aim of the present study is to establish the genotype and allele frequencies of 3435C>T polymorphism of MDR1 gene into Peruvian populations (Coastal, Andean and Amazonian ecoregions), even considering the altitude (lowland <2500 m and highland >2500 m). Methods The polymorphism was analyzed by TaqMan genotyping assays in a group of 181 healthy unrelated Peruvian individuals. The comparison of genotype and allele frequencies of 3435C>T polymorphism was made with the Pearson test (X2), and, to calculate the genotype distributions, the Hardy-Weinberg equilibrium (HWE) was used. Results In all populations evaluated in this study, the genotype frequency distributions met HWE assumptions. The comparison between genotype and allele frequencies showed significant differences (p < 0.05), when the Andean, Coastal and Amazonian populations were compared. Also, significant differences (p < 0.05) were obtained when these populations were compared considering their altitudes. Likewise, in comparison with countries like USA, Finland, Nigeria and Kenya, the results showed significant differences (p < 0.05). Conclusions This investigation allowed us to establish the genotype and allele frequencies of 3435C>T polymorphism in different Peruvian populations, considering the geographic localization and even the altitude.
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spelling oai:cris.upeu.edu.pe:20.500.15037/11522026-11-02T12:57:04ZGeographic distribution of the 3435C>T polymorphism of the MDR1 gene in Peruvian populationsValencia Ayala, EdwardMarcos Carbajal, PoolBarbosa Coelho, EduardoSandoval, Jose SandovalSalazar‐Granara, AlbertoPharmacokineticsGenotypingGene polymorphismethnic populationBackground The MDR1 gene presents several genetic polymorphisms with pharmacological implications. Therefore, the aim of the present study is to establish the genotype and allele frequencies of 3435C>T polymorphism of MDR1 gene into Peruvian populations (Coastal, Andean and Amazonian ecoregions), even considering the altitude (lowland <2500 m and highland >2500 m). Methods The polymorphism was analyzed by TaqMan genotyping assays in a group of 181 healthy unrelated Peruvian individuals. The comparison of genotype and allele frequencies of 3435C>T polymorphism was made with the Pearson test (X2), and, to calculate the genotype distributions, the Hardy-Weinberg equilibrium (HWE) was used. Results In all populations evaluated in this study, the genotype frequency distributions met HWE assumptions. The comparison between genotype and allele frequencies showed significant differences (p < 0.05), when the Andean, Coastal and Amazonian populations were compared. Also, significant differences (p < 0.05) were obtained when these populations were compared considering their altitudes. Likewise, in comparison with countries like USA, Finland, Nigeria and Kenya, the results showed significant differences (p < 0.05). Conclusions This investigation allowed us to establish the genotype and allele frequencies of 3435C>T polymorphism in different Peruvian populations, considering the geographic localization and even the altitude.Articlehttps://pubmed.ncbi.nlm.nih.gov/3132300210.1515/dmpt-2018-0041https://hdl.handle.net/20.500.15037/115231323002W2962921946enDrug Metabolism and Personalized Therapy2363-89072363-89152019-07-192026-06-13T09:47:46Z2026-06-13T09:47:46Z
spellingShingle Pharmacokinetics
Genotyping
Gene polymorphism
ethnic population
Valencia Ayala, Edward
Marcos Carbajal, Pool
Barbosa Coelho, Eduardo
Sandoval, Jose Sandoval
Salazar‐Granara, Alberto
Geographic distribution of the 3435C>T polymorphism of the MDR1 gene in Peruvian populations
title Geographic distribution of the 3435C>T polymorphism of the MDR1 gene in Peruvian populations
title_full Geographic distribution of the 3435C>T polymorphism of the MDR1 gene in Peruvian populations
title_fullStr Geographic distribution of the 3435C>T polymorphism of the MDR1 gene in Peruvian populations
title_full_unstemmed Geographic distribution of the 3435C>T polymorphism of the MDR1 gene in Peruvian populations
title_short Geographic distribution of the 3435C>T polymorphism of the MDR1 gene in Peruvian populations
title_sort geographic distribution of the 3435c gt t polymorphism of the mdr1 gene in peruvian populations
topic Pharmacokinetics
Genotyping
Gene polymorphism
ethnic population
topic_facet Pharmacokinetics
Genotyping
Gene polymorphism
ethnic population
url https://pubmed.ncbi.nlm.nih.gov/31323002
https://hdl.handle.net/20.500.15037/1152
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AT sandovaljosesandoval geographicdistributionofthe3435cgttpolymorphismofthemdr1geneinperuvianpopulations
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