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Association between the MARS rs6782181 polymorphism and serum lipid levels
Jian Wu1, Rui-Xing Yin1, Tao Guo1
1Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, Guangxi Medical University 22 Shuangyong Road, Nanning 530021, Guangxi, People's Republic of China.
Summary
The MRAS rs6782181 gene variant is linked to varying serum lipid levels, including total cholesterol and LDL-C, in Mulao and Han populations, showing ethnic and sex-specific associations.
Area of Science:
- Genetics
- Biochemistry
- Population Health
Background:
- The association between the muscle Ras (MRAS) gene rs6782181 polymorphism and serum lipid profiles remains largely unexplored.
- Understanding genetic influences on lipid metabolism is crucial for personalized cardiovascular risk assessment.
Purpose of the Study:
- To investigate the relationship between the MRAS rs6782181 polymorphism and serum lipid levels.
- To examine potential ethnic (Mulao vs. Han) and sex-specific differences in this association.
Main Methods:
- Genotyping of the MRAS rs6782181 polymorphism using polymerase chain reaction and restriction fragment length polymorphism.
- Analysis of serum lipid levels (total cholesterol, triglyceride, LDL-C, HDL-C, ApoAI, ApoB) in 632 Han and 629 Mulao individuals.
- Stratified analyses based on ethnicity and sex.
Main Results:
- The GG genotype was associated with higher serum total cholesterol, triglyceride, LDL-C, and ApoB in the Han population.
- In the Mulao population, the GG genotype was linked to elevated serum total cholesterol and LDL-C.
- Significant sex-specific differences were observed within both ethnic groups, with distinct lipid level associations in males and females.
Conclusions:
- The association between the MRAS rs6782181 polymorphism and serum lipid levels exhibits significant ethnic and sex-specific variations.
- These findings suggest a complex interplay of genetic, ethnic, and sex factors in modulating lipid metabolism.
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