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Association between interleukin-35 polymorphisms and coronary heart disease in the Chinese Zhuang population: a
Insights
The EBI3 rs428253 CC genotype is linked to a higher risk of coronary heart disease (CHD) in the Chinese Zhuang population. This finding suggests a potential genetic marker for CHD susceptibility.
Area of Science:
- Genetics
- Cardiovascular Disease
- Immunology
Background:
- Inflammatory cytokines are implicated in cardiovascular disease pathogenesis.
- Interleukin-35 (IL-35) is an inflammatory cytokine with a role in immune regulation.
- Limited research exists on the association between IL-35 genetic variants and coronary heart disease (CHD) risk.
Purpose of the Study:
- To investigate the association between IL-35 gene polymorphisms and the risk of developing CHD.
- To examine specific single nucleotide polymorphisms (SNPs) within the IL-35 gene.
- To analyze plasma IL-35 levels in relation to identified genotypes.
Main Methods:
- A case-control study involving 707 CHD patients and 707 controls from the Chinese Zhuang population.
- Genotyping of nine IL-35 SNPs (rs428253, rs6613, rs9807813, rs2243115, rs568408, rs582054, rs583911, rs4740, rs393581) using MassArray.
- Plasma IL-35 levels measured via enzyme-linked immunosorbent assay (ELISA).
- Multivariate logistic regression analysis applied to assess SNP-CHD risk association.
Main Results:
- The EBI3 rs428253 CC genotype showed a significantly higher risk of CHD (OR=2.30, P=0.042) compared to the GG genotype.
- No statistically significant association was found between SNPs rs4740, rs2243115, rs568408, and rs582054 and CHD risk.
- Plasma IL-35 levels exhibited a marginally significant difference between rs428253 genotypes (P=0.057).
Conclusions:
- The EBI3 rs428253 CC genotype is associated with an increased risk of CHD in the Chinese Zhuang population.
- This genetic variant may serve as a potential biomarker for CHD susceptibility in this ethnic group.
- Further research is warranted to elucidate the functional mechanisms underlying this association.
Objectives:
Inflammatory cytokines play an important role in the pathogenesis of cardiovascular disease. Few studies have investigated the association between interleukin-35 (IL-35) genetic variants and the risk of coronary heart disease (CHD). We examined the association between IL-35 polymorphisms and CHD in the Chinese Zhuang population.
Patients And Methods:
A total of 707 CHD patients and 707 age-matched and sex-matched controls were enrolled in this case-control study. Genotypes of the single nucleotide polymorphisms (SNPs) of IL-35, including rs428253, rs6613, rs9807813, rs2243115, rs568408, rs582054, rs583911, rs4740, and rs393581, were examined by MassArray. Plasma IL-35 level was measured using an enzyme-linked immunosorbent assay. The multivariate logistic regression model was used to evaluate the association between the SNPs and the risk of CHD.
Results:
In the Chinese Zhuang population, compared with the GG genotype of EBI3 rs428253, individuals with the CC genotype had a 2.02-fold (95% confidence interval: 1.07-3.84, P=0.031) higher risk of CHD. Further adjustment for potential risk factors did not alter the positive association (CC vs. GG, odds ratio=2.30, 95% confidence interval: 1.16-4.54, P=0.042). SNPs rs4740, rs2243115, rs568408, and rs582054 were not statistically related to the risk of CHD. The plasma IL-35 levels showed a marginally significant difference between rs428253 genotypes [GG: 13.39 (7.89-19.25) vs. CC+GC: 17.53 (8.98-22.56) pg/ml, P=0.057].
Conclusion:
The EBI3 rs428253 CC genotype was associated with an increased risk of CHD in the Chinese Zhuang population, although no significant difference in IL-35 levels was observed between genotypes in healthy controls.
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