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Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice
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[Early renal changes in type 1 diabetes].

I A Bondar1, V V Klimontov1, A P Nadeyev1

  • 1Novosibirsk State Medical University.

Problemy Endokrinologii
|October 20, 2019
PubMed
Summary

Diabetic kidney disease shows early structural changes even with normal kidney function. Glycemic control, diabetes duration, albuminuria, and blood pressure predict these changes.

Keywords:
Type 1 Diabetesdiabetic nephropathyearly morphological changes

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Area of Science:

  • Nephrology
  • Diabetology
  • Pathology

Context:

  • Type 2 diabetes is a leading cause of chronic kidney disease.
  • Early renal structural changes can occur before significant decline in kidney function.
  • Understanding these early changes is crucial for timely intervention.

Purpose:

  • To investigate the relationship between renal structural abnormalities and metabolic/hemodynamic factors in type 2 diabetic patients with normal creatinine clearance.
  • To identify predictors of early renal structural changes in this population.

Summary:

  • 35 type 2 diabetic patients with normal creatinine clearance underwent renal biopsy.
  • Early signs of glomerulosclerosis, tubular damage, and vascular sclerosis were observed.
  • Increased urinary albumin excretion (UAE) correlated with specific podocyte, basement membrane, and mesangial changes.
  • Glycemic control, diabetes duration, UAE, and blood pressure were identified as key predictors of these early renal structural alterations.

Impact:

  • Highlights the presence of subclinical diabetic kidney disease in patients with preserved renal function.
  • Emphasizes the importance of monitoring UAE and controlling metabolic/hemodynamic factors to prevent disease progression.
  • Provides insights into the pathological mechanisms underlying early diabetic nephropathy.