Obesity

The lncOb rs10487505 polymorphism impairs insulin sensitivity and glucose tolerance in children and adolescents with obesity

Obesity (Silver Spring)Published Retrospective cohort study

Authors' conclusion

The lncOb rs10487505 polymorphism affects leptin circulating levels, worsens insulin resistance, and heightens the risk of prediabetes in children and adolescents with obesity.

Study context

Population
Children and adolescents with obesityleptin in 150
Participants
434 children
Exposure
lncOb rs10487505 CC homozygotes vs G-carriers
Outcome
Insulin sensitivity and glucose tolerance
Methodological detailsgenetic association
  • Genetic association

Main finding

As reported in the abstract

  • CC vs GG/GC: P = 0.01
  • CC vs GG/GC: P = 0.01
  • CC vs GG/GC: P = 0.02
  • CC vs GG/GC: P = 0.03

Observational data: associations, not effects.

Further findings

Prediabetes · prevalence

P = 0.04

OutcomeFold higher risk (95% CI)P value
PrediabetesIndependent of confounders2.9 (1.1–7.9)P = 0.04
Plasma leptin · lower with CC
P = 0.002

Correlations of leptin levels

BMI z score
r = 0.19, p = 0.04
Fasting insulin
r = −0.34, p < 0.0001
HOMA-IR
r = −0.33, p < 0.0001
Disposition index
r = 0.20, p = 0.04

Original publication

The lncOb rs10487505 polymorphism impairs insulin sensitivity and glucose tolerance in children and adolescents with obesity. Obesity (Silver Spring). Published 7 August 2023. doi:10.1002/oby.23835

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