Lymphotoxin-α Gene and Myocardial Infarction Risk
Author Information
Author(s): Robert Clarke, Peng Xu, Derrick Bennett, Sarah Lewington, Krina Zondervan, Sarah Parish, Alison Palmer, Sarah Clark, Lon Cardon, Richard Peto, Mark Lathrop, Rory Collins
Primary Institution: Clinical Trial Service Unit, Old Road Campus, Oxford, United Kingdom
Hypothesis
Are polymorphisms in the lymphotoxin-α gene associated with the risk of myocardial infarction?
Conclusion
The study found no significant association between lymphotoxin-α gene polymorphisms and the risk of myocardial infarction.
Supporting Evidence
- The study involved 6,928 non-fatal myocardial infarction cases and 2,712 unrelated controls.
- Seven SNPs in the LTA gene were examined for their association with MI risk.
- No significant association was found between any of the SNPs or haplotypes and MI risk.
Takeaway
Scientists looked at a gene that might affect heart attacks in a large group of people, but they found that it doesn't really make a difference.
Methodology
The study examined seven SNPs in the LTA gene in a case-control design with 6,928 myocardial infarction cases and 2,712 controls.
Potential Biases
The recruitment of controls from family members may minimize population admixture but does not eliminate all bias risks.
Limitations
The study cannot exclude the possibility of involvement of other variants near the LTA gene that were not considered.
Participant Demographics
Participants included men aged 30–54 and women aged 30–64, with a higher prevalence of risk factors in MI cases.
Digital Object Identifier (DOI)
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