Study of Obesity-Related Gene Variants in a Danish Population
Author Information
Author(s): Sandholt Camilla Helene, Vestmar Marie Aare, Bille Dorthe Sadowa, Borglykke Anders, Almind Katrine, Hansen Lars, Sandbæk Annelli, Lauritzen Torsten, Witte Daniel, Jørgensen Torben, Pedersen Oluf, Hansen Torben
Primary Institution: The Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Denmark
Hypothesis
The study aims to determine associations between obesity-related gene variants and metabolic traits in a Danish population.
Conclusion
The study confirmed associations between several gene variants and obesity, with some variants also linked to type 2 diabetes risk.
Supporting Evidence
- Five of the 15 gene variants were associated with overweight, obesity, and morbid obesity.
- BDNF rs4923461 showed a borderline protective effect against type 2 diabetes.
- SH2B1 rs7498665 was associated with an increased risk of type 2 diabetes independent of BMI.
- TMEM18 rs7561317 was strongly associated with obesity and morbid obesity.
- FAIM2 rs7138803 associated with increased measures of adiposity.
Takeaway
Scientists looked at genes that might make people gain weight and found some that are linked to being overweight and diabetes.
Methodology
The study genotyped 15 gene variants in 18,014 middle-aged Danes and analyzed their associations with obesity and type 2 diabetes.
Potential Biases
Potential biases may arise from population stratification and the specific demographic of the study sample.
Limitations
The study is limited to a Danish population, which may affect the generalizability of the findings.
Participant Demographics
The study included middle-aged Danes, with a mix of normal weight, overweight, obese, and morbidly obese individuals.
Statistical Information
P-Value
p=0.008 for BDNF rs4923461
Confidence Interval
(0.78–0.96) for BDNF rs4923461
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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