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Por favor, use este identificador para citar o enlazar este documento: https://ria.asturias.es/RIA/handle/123456789/704
Título : Functional polymorphisms in the CYP3A4, CYP3A5, and CYP21A2 genes in the risk for hypertension in pregnancy
Autor : Coto García, Eliecer
Tavira, Beatriz
Marín, Rafael
Ortega, Francisco
López Larrea, Carlos
Ruiz-Ortega, Marta
Ortiz, Alberto
Díaz, Marta
Corao, Ana I.
Alonso, Belén
Álvarez, Victoria
Palabras clave : P450 enzymes
Hypertension in pregnancy
Natural selection
Fecha de publicación : 2010
Resumen : An intronic single nucleotide polymorphism (SNP) in the CYP3A5 gene (CYP3A5*3; SNP rs776746) affects RNA splicing and enzymatic activity. The CYP3A5*3 frequency increased with distance from the equator and natural selection has been proposed to explain the worldwide distribution of this allele. CYP3A activity has been related with the risk for hypertension in pregnancy, a major cause of morbidity and mortality among women, and CYP3A5*3 could reduce the risk for this disease in populations from regions with high sodium and water availability. The CYP3A5 genotype was related with blood pressure in the general population, but the effect on the risk for hypertension in pregnancy has not been evaluated. We compared the allele and genotype frequencies of three functional SNPs in the CYP3A5 (rs776746), CYP3A4 (rs2740574), and CYP21A2 (rs6471) genes between pregnant women who developed hypertension (n=250) or who remained normotensive (control group, n=250). In addition, we sequenced the full CYP3A5 coding sequence in 40 women from the two groups to determine whether some gene variants could explain the risk for hypertensive pregnancies in our population. Allele and genotype frequencies did not differ between hypertensive and normotensive women for the three CYP variants. We did not find CYP3A5 nucleotide changes that could explain a higher risk for hypertension in pregnancy. Our data suggests that the variation in CYP3A5, CYP3A4, and CYP21A2 did not contribute to the risk for hypertension in pregnancy in our population
URI : https://ria.asturias.es/RIA/handle/123456789/704
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