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Related Experiment Video

Updated: Sep 22, 2025

Accelerated Type 1 Diabetes Induction in Mice by Adoptive Transfer of Diabetogenic CD4+ T Cells
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Childhood type 1 diabetes is associated with abnormal bone development.

Komal Ashokbhai Vora1,2,3, Craig F Munns3,4, Kim C Donaghue3,4

  • 1Department of Paediatric Endocrinology, John Hunter Children's Hospital, New Lambton Heights, New South Wales, Australia.

Pediatric Diabetes
|May 23, 2022
PubMed
Summary

Adolescents with type 1 diabetes (T1D) show reduced bone density in limbs but normal spine density. Bone structure is altered, with no clear link to glycemic control or complications, suggesting T1D impacts bone differently.

Keywords:
DXAadolescentbone healthchildpQCTtype 1 diabetes

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Area of Science:

  • Endocrinology
  • Metabolic Bone Disease
  • Pediatric Endocrinology

Background:

  • Type 1 diabetes (T1D) can affect bone health, but data in adolescents is limited.
  • Understanding bone mineral density (BMD), structure, and fracture risk in this population is crucial for long-term outcomes.

Purpose of the Study:

  • To assess bone mineral density (BMD), bone structure, and fracture prevalence in adolescents with type 1 diabetes (T1D).
  • To explore associations between these bone parameters, glycemic control, and microvascular complications in adolescents with T1D.

Main Methods:

  • Cross-sectional study involving 64 adolescents with T1D (duration >10 years).
  • Utilized dual-energy X-ray absorptiometry (DXA) and peripheral quantitative computed tomography (pQCT) for bone assessment.
  • Included fracture surveys, plantar fascia thickness, and microvascular complication assessments.

Main Results:

  • 50% of adolescents experienced fractures. Reduced areal BMD was observed in the femoral neck and arm, while total and lumbar spine BMD were normal.
  • pQCT revealed reduced trabecular volumetric BMD (vBMD) but increased cortical vBMD in the tibia and radius.
  • Muscle cross-sectional area was reduced in both upper and lower limbs. No significant associations were found between bone parameters and HbA1c, diabetes duration, or microvascular complications.

Conclusions:

  • Adolescents with childhood-onset T1D exhibit site-specific bone deficits in limbs but normal total and lumbar spine BMD.
  • Type 1 diabetes demonstrates differential effects on trabecular and cortical bone compartments.
  • Longitudinal studies are needed to determine if these bone changes increase future fracture risk.