Longitudinal interaction between APOA5 -1131T>C and overweight in the acceleration of age-related increase in arterial stiffness through the regulation of circulating triglycerides

Minjoo Kim, Hye Jin Yoo, Hwa Jin Lee, Jong Ho Lee

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Abstract

We aimed to evaluate whether the longitudinal interaction between APOA5-1131C variants and overweight could accelerate age-related increases in arterial stiffness and circulating triglycerides in healthy subjects. This 3-year prospective cohort study included 503 healthy subjects. Brachial-ankle pulse wave velocity (baPWV), triglycerides, APOA5 -1131T > C, apolipoprotein (apo) A-V level, and low-density lipoprotein (LDL) particle size were measured at baseline and within a mean follow-up period of 3 years. At the 3-year follow-up, in the overweight group, subjects with the C allele showed increases in triglycerides and baPWV relative to baseline. Additionally, in the overweight group, there was a genotype effect on changes in triglycerides: subjects with the C allele had greater increases in triglyceride concentrations than subjects with the TT genotype. Furthermore, overweight subjects with the C allele had greater increases in triglyceride concentrations than normal-weight subjects with the C allele (P-interaction = 0.013). Overweight subjects with the C allele had greater increases in baPWV than normal-weight subjects with the C allele (P-interaction = 0.047). Changes in baPWV were affected by age, baseline baPWV, and changes in systolic blood pressure (BP) and triglycerides. Changes in triglycerides were affected by APOA5 -1131T > C genotype, age, baseline triglyceride level, and changes in BMI and apo A-V. In the overweight group, changes in baPWV were affected by changes in systolic BP, LDL particle size, and triglycerides. This prospective study shows that the interactive effect between APOA5 -1131C variants and overweight can accelerate age-related increase in arterial stiffness via the regulation of circulating triglycerides in healthy subjects.

Original languageEnglish
Pages (from-to)241-248
Number of pages8
JournalHypertension Research
Volume42
Issue number2
DOIs
Publication statusPublished - 2019 Feb 1

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All Science Journal Classification (ASJC) codes

  • Internal Medicine
  • Physiology
  • Cardiology and Cardiovascular Medicine

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