Type 1 diabetes

Relationship between sRAGE and obesity in individuals with type 1 diabetes during a median follow-up of 6.3 years

DiabetologiaPublished Cohort study

Authors' conclusion

sRAGE is inversely associated with both general and central obesity, as represented by BMI and WHtR, independent of kidney disease, suggesting sRAGE is a biomarker of obesity. However, sRAGE is not associated with the changes in BMI and WHtR over a 6.3 year follow-up. Future research with longer follow-up is merited to understand how sRAGE correlates with body fat accumulation.

Study context

Population
Adults with T1D from the FinnDiane study
Participants
3,886 adults
Outcome
Associations between sRAGE and obesity (BMI; WHtR)
Follow-up
Median 6.3 years
Methodological detailsFinnDiane study, linear regression adjusted for sex, age, albuminuria and HbA1c
  • FinnDiane study
  • Linear regression adjusted for sex, age, albuminuria and HbA1c

Main finding

As reported in the abstract

baseline
Baseline sRAGE vs BMI, inverse association: r2=0.07, β −0.174
p<0.001
Baseline sRAGE vs waist/height ratio (WHtR), inverse association: r2=0.16, β −0.179
p<0.001

Observational data: associations, not effects.

Further findings

Change in BMI and WHtR · median follow-up 6.3 years

BMI median Δ 0.76 kg/m² (IQR −0.39 to 2.07)
P < 0.001
WHtR median Δ 0.019 (IQR −0.007 to 0.05)
P < 0.001
Change in BMI observed in
67%
Change in WHtR observed in
68%

sRAGE–BMI/WHtR association by albuminuria subgroup (no, moderate, severe) · baseline

Relationships remained consistent across subgroups
all p<0.001

Original publication

Relationship between sRAGE and obesity in individuals with type 1 diabetes during a median follow-up of 6.3 years. Diabetologia. Published 29 April 2025. doi:10.1007/s00125-025-06440-4

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