Analysis of the difference in SLCO1B1 and APOE gene polymorphisms between Mongolian and Han populations

Ruibing Niu1, Liping Guo2, Xiaoxian Dong2

  • 1Department of Clinical Laboratory, Ordos Central Hospital, Ordos, Inner Mongolia, 017000, China.

Pharmacogenomics
|September 8, 2022
PubMed

Insights

Genetic variations in SLCO1B1 and APOE differ between Mongolian and Han populations in Ordos. These genetic differences may influence cardiovascular disease risk and statin effectiveness in these groups.

Area of Science:

  • Pharmacogenomics
  • Cardiovascular Genetics
  • Population Genetics

Background:

  • Cardiovascular diseases (CVD) represent a significant health burden globally.
  • Genetic polymorphisms, such as those in SLCO1B1 and APOE, are known to influence drug metabolism and disease susceptibility.
  • Understanding population-specific genetic variations is crucial for personalized medicine.

Purpose of the Study:

  • To investigate the prevalence and clinical significance of SLCO1B1 and APOE gene polymorphisms.
  • To compare these polymorphisms between Mongolian and Han populations in Ordos, Inner Mongolia.
  • To explore the potential impact of these genetic differences on CVD incidence and statin efficacy.

Main Methods:

  • A case-control study involving 200 Mongolian and 200 Han patients with cardiovascular disease.
  • Genotyping of SLCO1B1 and APOE polymorphisms using real-time fluorescence quantitative PCR (qPCR).
  • Statistical analysis to compare demographic, clinical, and genetic data between the two ethnic groups.

Main Results:

  • Both SLCO1B1 and APOE polymorphisms adhered to the Hardy-Weinberg equilibrium in both populations.
  • Significant differences were observed in demographic factors (gender, age, BMI) and clinical characteristics (hypertension, dyslipidemia, LDL-C levels) between the groups.
  • APOE genotypes, associated with statin efficacy and atherosclerosis risk, showed significant inter-population differences.

Conclusions:

  • Distinct patterns of SLCO1B1 and APOE polymorphisms exist between the Mongolian and Han populations in Ordos.
  • These genetic disparities may contribute to observed differences in cardiovascular disease prevalence.
  • The findings suggest potential variations in statin-induced lipid-lowering effects between these ethnic groups.

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