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Absence of relationship between MTTP haplotypes and longevity
Matt J Neville1, Robert Clarke, John Grimley Evans
1Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, UK.
Summary
Genetic variations in the microsomal triglyceride transfer protein (MTTP) gene are not significantly linked to longevity. This study found no association between MTTP haplotypes and lifespan in older individuals.
Area of Science:
- Genetics
- Gerontology
- Cardiovascular Health
Background:
- Microsomal triglyceride transfer protein (MTTP) gene polymorphisms have been previously linked to longevity and reduced cardiovascular mortality.
- However, this association has been debated, with conflicting results in different populations.
Purpose of the Study:
- To investigate the association between MTTP gene haplotypes and longevity.
- To provide a reliable assessment of the MTTP gene's role in exceptional lifespan.
Main Methods:
- A detailed characterization of MTTP haplotype carrier status was performed.
- The study included a cohort of 1398 elderly individuals (mean age 78) and 777 younger controls (mean age 40) from Oxford, England.
Main Results:
- No significant differences were observed in MTTP gene haplotypes between the younger control group and the older cohort.
- This suggests a lack of association between MTTP genetic variations and longevity in the studied population.
Conclusions:
- The study provides robust evidence against a significant association between the MTTP gene and longevity.
- A more detailed genetic analysis in a large case-control study strengthens these findings.
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