IL-6 Gene Polymorphism and Coronary Artery Disease in Tunisians
Author Information
Author(s): Ghazouani Lakhdar, Abboud Nesrine, Khalifa Sonia Ben Hadj, Added Faouzi, Khalfallah Ali Ben, Nsiri Brahim, Mediouni Mounira, Mahjoub Touhami
Primary Institution: Research Unit of Biology and Genetics of Cancer, Haematological and Autoimmune Diseases, Faculty of Pharmacy of Monastir, Monastir, Tunisia
Hypothesis
The -174G>C IL-6 promoter variant contributes to the risk of coronary artery disease (CAD) among Tunisians.
Conclusion
The -174G>C IL-6 promoter variant is not associated with an increased risk of CAD among Tunisians.
Supporting Evidence
- The frequency of the -174C allele was lower in Tunisians than in Europeans.
- The distribution of -174 G>C genotypes was similar between CAD patients and control subjects.
- -174C allele carriage did not increase the CAD relative risk.
- The study was the first to examine the association of IL-6 promoter variants with CAD in Tunisians.
- Regression analysis confirmed the lack of association of -174G/C genotypes with CAD.
Takeaway
This study looked at a gene variant to see if it affects heart disease risk in Tunisians, and found it doesn't seem to make a difference.
Methodology
A case-control study involving 418 CAD patients and 406 matched controls, with IL-6 genotyping performed by PCR-restriction fragment length polymorphism.
Potential Biases
The study's focus on a single ethnic group may limit the generalizability of the findings.
Limitations
The study was limited to a specific ethnic group and did not measure plasma IL-6 concentrations.
Participant Demographics
418 CAD patients (87 females, 331 males) and 406 controls (107 females, 299 males), matched for age and sex.
Statistical Information
P-Value
p=0.55
Confidence Interval
1.09 (0.80-1.49)
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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