Association between the CYP3A5 genotype and blood pressure

Herbert Ho, Amar Pinto, Stephen D. Hall, David A. Flockhart, Lang Li, Todd Skaar, Peter Cadman, Daniel T. O'Connor, Urban Wagner, Naomi S. Fineberg, Myron H. Weinberger

Research output: Contribution to journalArticle

73 Citations (Scopus)

Abstract

We tested the hypothesis that the presence of a CYP3A5*1 allele is associated with increases in blood pressure in 2 studies of subjects with a total of 683 participants. The first study involving 271 subjects was part of a longitudinal study conducted at Indiana University Medical Center that consisted of 2 phases. The first phase studied the relationship of salt sensitivity with blood pressure, whereas the second phase, conducted ≈26 years later, studied the relationship between blood pressure, carbohydrate intolerance, and vascular compliance in the same subjects. The second study was a cross-sectional evaluation of 412 normotensive and hypertensive subjects conducted at the University of California San Diego. The second study (Mantel-Haenszel χ 2 test; P=0.05) showed that a greater proportion of black participants with poor blood pressure control had CYP3A5*1/*1 genotype. Evaluation of the untreated blood pressure from phase 1 of the first study showed that the blacks with CYP3A5*3/*3 (146±35 mm Hg) had a higher systolic blood pressure than those with the *1/*3 (119±14.1 mm Hg; P=0.0006) and *1/*1 (125±17.4 mm Hg; P=0.009) genotypes. For blacks in study 2, the CYP3A5*1 allele was more common in hypertensives (Fisher exact test; P=0.025) than normotensives. In whites there was no association between CYP3A5 genotype and blood pressure in either study. We conclude that although untreated blood pressure may be higher in blacks with the CYP3A5*3/*3 genotype, the CYP3A5*1 allele may be associated with hypertension that is more refractory to treatment in this ethnic group.

Original languageEnglish
Pages (from-to)294-298
Number of pages5
JournalHypertension
Volume45
Issue number2
DOIs
StatePublished - Feb 2005

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Cytochrome P-450 CYP3A
Genotype
Blood Pressure
Alleles
Hypertension
Ethnic Groups
Compliance
Blood Vessels
Longitudinal Studies
Salts

Keywords

  • Blood pressure
  • Cytochrome p450
  • Genetics
  • Polymorphism

ASJC Scopus subject areas

  • Internal Medicine

Cite this

Ho, H., Pinto, A., Hall, S. D., Flockhart, D. A., Li, L., Skaar, T., ... Weinberger, M. H. (2005). Association between the CYP3A5 genotype and blood pressure. Hypertension, 45(2), 294-298. https://doi.org/10.1161/01.HYP.0000151361.31736.96

Association between the CYP3A5 genotype and blood pressure. / Ho, Herbert; Pinto, Amar; Hall, Stephen D.; Flockhart, David A.; Li, Lang; Skaar, Todd; Cadman, Peter; O'Connor, Daniel T.; Wagner, Urban; Fineberg, Naomi S.; Weinberger, Myron H.

In: Hypertension, Vol. 45, No. 2, 02.2005, p. 294-298.

Research output: Contribution to journalArticle

Ho, H, Pinto, A, Hall, SD, Flockhart, DA, Li, L, Skaar, T, Cadman, P, O'Connor, DT, Wagner, U, Fineberg, NS & Weinberger, MH 2005, 'Association between the CYP3A5 genotype and blood pressure', Hypertension, vol. 45, no. 2, pp. 294-298. https://doi.org/10.1161/01.HYP.0000151361.31736.96
Ho, Herbert ; Pinto, Amar ; Hall, Stephen D. ; Flockhart, David A. ; Li, Lang ; Skaar, Todd ; Cadman, Peter ; O'Connor, Daniel T. ; Wagner, Urban ; Fineberg, Naomi S. ; Weinberger, Myron H. / Association between the CYP3A5 genotype and blood pressure. In: Hypertension. 2005 ; Vol. 45, No. 2. pp. 294-298.
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