ArticleDiabetologia2026
Nature vs nurture of glucose homeostasis trajectories in children from the ALSPAC study.
Article in Diabetologia, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Pubertal Stage-Based One-hour Postload Glucose Thresholds Improve Identification of Prediabetes and Type 2 Diabetes in Children With Overweight or Obesity.Diabetes, obesity & metabolism · 2026Article
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Authors and funding
8 authors.
Funding
Abstract
aims/hypothesisDysglycaemia in youth results from complex interactions between genetic and environmental factors, yet their individual and combined contributions remain unclear. We aimed to: (1) evaluate the predictive performance of polygenic risk scores (PRSs) for glycaemic traits from childhood to early adulthood; (2) identify gene-environment interactions shaping glucose homeostasis trajectories; and (3) explore underlying mechanisms using pathway-specific PRSs.
methodsData from 8783 participants (aged 7-24 years) from the Avon Longitudinal Study of Parents and Children (ALSPAC) were used to compute 12 PRSs for type 2 diabetes, fasting glucose, insulin and BMI. Glycaemic outcomes, including insulin resistance, prediabetes (impaired fasting glucose) and type 2 diabetes, were assessed using fasting glucose and insulin (ages 7, 15, 18 and 24 years) and HbA
resultsPrediabetes prevalence was up to 24% at age 24 years. PRS-enhanced models outperformed those using environmental factors alone (e.g. AUC for dysglycaemia at age 15 improved by 0.12, reaching 0.78). Fasting glucose PRS showed moderate ability to differentiate transient from persistent prediabetes (AUC=0.70). Gene-environment analyses revealed that high genetic risk combined with increased screen time or younger maternal age increased insulin resistance risk. Physical activity and health awareness attenuated this risk. Pathway analyses indicated insulin secretion as a key mechanism earlier in life, with insulin resistance emerging later. CONCLUSIONS/
interpretationGenes interact with environment to define glucose homeostasis in youth, highlighting modifiable factors as actionable targets for early prevention.
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