Genetic Factors in Type 2 Diabetes and Longevity
Author Information
Author(s): Mooijaart Simon P., van Heemst Diana, Noordam Raymond, Rozing Maarten P., Wijsman Carolien A., de Craen Anton J.M., Westendorp Rudi G.J., Beekman Marian, Slagboom Eline P.
Primary Institution: Leiden University Medical Centre
Hypothesis
Does a lower burden of diabetes risk alleles in offspring of long-lived individuals explain their better glucose tolerance?
Conclusion
The better glucose tolerance of the offspring is not due to a lower burden of type 2 diabetes risk alleles.
Supporting Evidence
- Offspring of long-lived siblings showed better glucose tolerance compared to controls.
- Participants with more diabetes risk alleles had higher glucose levels.
- No significant differences in allele frequencies were found between offspring and controls.
Takeaway
Kids of really old people tend to have better blood sugar levels, but it's not because they have fewer genes that make them likely to get diabetes.
Methodology
The study analyzed 15 genetic variants associated with type 2 diabetes in 2415 participants, comparing offspring of long-lived individuals with their controls.
Limitations
The study population is relatively small, which may limit the detection of small effect sizes.
Participant Demographics
The study included 1671 offspring and 744 controls, with a mean age of approximately 59 years.
Statistical Information
P-Value
P=0.011
Statistical Significance
p<0.05
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