Association between serotonin 2A receptor (HTR2A) genetic variations and risk of hypertension in a community-based cohort study

Jung Ran Choi, Minhee Jeon, Sang Baek Koh

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Abstract

Background: Hypertension is one of the risk factors for obesity-related cardiovascular diseases. We investigated whether genetic variations in serotonin 2A receptor (HTR2A) were associated with hypertension. Methods: We carried out a cross-sectional study in cohorts A (Ansan-Ansung cohort, N = 6039) and B (Wonju-Pyengchang cohort, N = 7524). Several genetic variants in HTR2A including rs7330636, rs9590999, rs2183057, and rs4942595 were selected and genotyped. Results: In hypertensive participants in cohort A, the baseline systolic blood pressure and body mass index were 141.80 ± 17.20 mg/dL and 24.48 ± 4.75 kg/m2, respectively, which were higher than in those without hypertension (p < 0.001). rs4942595TC genotype was associated with hypertension in cohort A (OR = 0.739), after adjusting for variables. Subjects with rs4942578AA genotype had a decreased risk of hypertension after adjusting for clinical factor (OR = 0.735) in cohort B, and an elevated risk of hypertension in cohort A (OR = 1.562). The logistic regression analysis showed that participants with rs4941573TC genotype were 1.327 times more likely to have a higher blood pressure than those with TT genotype (95% CI 1.101-1.599) in cohort B. Whereas, the OR for developing hypertension in subjects with rs17069883CC genotype compared to those with AA genotype was 1.447 (95% CI 1.018-2.056; p for trend = 0.040) in cohort A. Conclusions: HTR2A genetic variations were associated with hypertension risk in our study.

Original languageEnglish
Article number5
JournalBMC Medical Genetics
Volume21
Issue number1
DOIs
Publication statusPublished - 2020 Jan 6

All Science Journal Classification (ASJC) codes

  • Genetics
  • Genetics(clinical)

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