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Updated: Jan 8, 2026

Sample Preparation to Bioinformatics Analysis of DNA Methylation: Association Strategy for Obesity and Related Trait Studies
Published on: May 6, 2022
[Research progress on precise lifestyle intervention for obesity based on genetic background]
1Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China.
Precision lifestyle interventions, guided by genetic information, show varied results in managing obesity. Current evidence is inconclusive on whether genotype-based approaches outperform standard methods, necessitating further research.
Area of Science:
- Genetics
- Personalized Medicine
- Nutritional Science
Background:
- Genomic technologies enable lifestyle interventions tailored to individual genetic profiles for chronic disease management, such as obesity.
- Gene-lifestyle interaction studies reveal that different genotypes respond uniquely to identical lifestyle interventions, supporting genotype-based precision nutrition.
Purpose of the Study:
- To evaluate the effectiveness of genotype-based precision lifestyle interventions compared to traditional one-fits-all approaches for obesity.
- To synthesize current evidence on gene-lifestyle interactions in the context of weight management.
Main Methods:
- Review of randomized controlled trials (RCTs) investigating gene-lifestyle interactions in obese or overweight populations.
- Analysis of studies comparing genotype-based precision interventions with standard interventions.
Main Results:
- Over 20 genes, including FTO and MC4R, have been linked to gene-lifestyle interactions.
- Existing RCTs show significant heterogeneity, with no definitive conclusion on the superiority of precision interventions over one-fits-all strategies.
Conclusions:
- Genotype-based precision nutrition is a feasible concept, but its superiority requires further investigation.
- Future research should incorporate polygenic effects and multi-omics data, utilizing machine learning, to advance precision intervention strategies for obesity.
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