Gender and ethnic differences in a case-control study of dyslipidemia: using the apolipoprotein A-V gene as an

Shu-Fen Wung1, Bradley E Aouizerat

  • 1College of Nursing, University of Arizona, Tucson 85721-0203, USA. shufen@nursing.arizona.edu

Insights

Genetic variations in the apolipoprotein A-V gene influence lipid levels and cardiovascular disease risk. These genetic factors show significant differences across ethnicities and genders, particularly impacting triglyceride levels in Asian women.

Area of Science:

  • Genetics
  • Cardiovascular Disease
  • Biochemistry

Background:

  • Coronary heart disease (CHD) exhibits population-specific differences and is influenced by gender.
  • Apolipoproteins are key factors in distinguishing individuals with CHD.
  • Apolipoprotein A-V (APOA-V) gene variations are linked to plasma lipids and CHD risk.

Purpose of the Study:

  • To investigate the association between APOA-V gene polymorphisms and lipoprotein profiles.
  • To examine gender and ethnic disparities in the APOA-V T-1131C promoter polymorphism in dyslipidemia patients and controls.

Main Methods:

  • Interdisciplinary genetic research project.
  • Analysis of APOA-V gene promoter polymorphisms (T-1131C).
  • Comparison of genotype frequencies and lipid profiles between ethnic groups and genders.

Main Results:

  • The minor -1131C allele of APOA-V was associated with elevated plasma triglycerides (TG) and various lipoprotein cholesterols.
  • The C allele was significantly more frequent in Asians compared to Europeans.
  • Significant differences in genotype frequency were observed between genders within Asian and European populations, with Asian women carrying the C allele showing a marked increase in TG.

Conclusions:

  • Ethnic-specific and gender-based variations exist in the frequency of the APOA-V -1131C promoter polymorphism.
  • These genetic differences may contribute to disparities in cardiovascular disease development.
  • Understanding these variations can enhance the comprehension of cardiovascular disease etiology.

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