[Inflammation markers and endothelial disfunction in children with type 1 diabetes]

María S Velarde1, Teresita Del R Carrizo, María M Prado

  • 1Cátedra de Práctica Hospitalaria, Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán.

Medicina
|March 16, 2010
PubMed

Insights

Early diabetes involves subclinical inflammation, increasing C-reactive protein (CRP) and fibrinogen. This study found elevated inflammatory markers and endothelial activation in type 1 diabetes patients, suggesting a pro-inflammatory state.

Area of Science:

  • Endocrinology
  • Immunology
  • Cardiovascular Science

Background:

  • Subclinical inflammation is an early indicator in diabetes, characterized by elevated cytokines.
  • These cytokines stimulate acute-phase protein synthesis (e.g., C-reactive protein) and endothelial dysfunction.
  • Endothelial dysfunction involves increased expression of adhesion molecules.

Purpose of the Study:

  • To investigate pro-inflammatory and endothelial activation states in children and adolescents with type 1 diabetes (DT1).
  • To assess the relationship between inflammatory markers, endothelial activation markers, and diabetes duration.
  • To evaluate specific laboratory parameters associated with early diabetes complications.

Main Methods:

  • Studied 30 patients with DT1 (15 boys, 15 girls) without vascular complications.
  • Assessed laboratory parameters: leukocyte count, ESR, fasting glucose, HbA1c, high-sensitivity CRP (uPCR), soluble E-selectin (sE-S), VCAM-1, and microalbuminuria.
  • Compared results with a control group and analyzed correlations based on diabetes duration.

Main Results:

  • DT1 patients showed significantly increased levels of uPCR, sE-S, and VCAM-1 compared to controls.
  • Patients with diabetes duration > 3 years had higher uPCR levels.
  • uPCR levels correlated positively with sE-S (r=0.44, p=0.03) and VCAM-1 (r=0.49, p=0.02).

Conclusions:

  • The findings suggest the presence of pro-inflammatory states and endothelial activation in DT1.
  • These states are strongly associated with type 1 diabetes, even in the absence of overt vascular complications.
  • Early inflammatory and endothelial markers may serve as indicators for disease progression and risk stratification.

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