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Biochemical markers of diabetic microangiopathy. Past, present and future
1Aker Diabetes Research Centre, Paediatric Department, Aker University Hospital, Oslo, Norway. knut-dahl-jorgensen@ioks.uio.no
Insights
Diabetic microvascular complications in children and adolescents are linked to blood glucose control. Research is ongoing to find better biochemical markers beyond HbA1c and urinary albumin for predicting these serious health issues.
Area of Science:
- Endocrinology
- Pediatrics
- Nephrology
Background:
- Diabetic microvascular complications, including retinopathy, nephropathy, and neuropathy, can manifest early in children and adolescents.
- These complications are strongly associated with glycemic control, but the precise mechanisms of microangiopathy development remain unclear.
- Current predictive markers like HbA1c and urinary albumin excretion have limitations, highlighting the need for improved diagnostic tools.
Purpose of the Study:
- To review the current understanding of diabetic microvascular complications in pediatric populations.
- To identify limitations in existing biomarkers for predicting microangiopathy.
- To explore emerging biochemical and genetic markers for enhanced prediction.
Main Methods:
- Literature review of studies on diabetic complications in pediatric patients.
- Analysis of current diagnostic markers such as HbA1c and urinary albumin excretion.
- Investigation into novel markers including advanced glycation end products (AGEs) and potential genetic factors.
Main Results:
- Glycemic control is a primary determinant in the development and progression of microvascular complications.
- Existing markers (HbA1c, urinary albumin) provide some predictive value but lack high accuracy.
- Emerging markers, including AGEs and genetic markers, show potential but require further validation.
Conclusions:
- Early detection and management of diabetic microvascular complications in youth are critical.
- Improved biochemical and genetic markers are needed for accurate prediction of microangiopathy.
- Long-term clinical studies are essential to validate the predictive value of novel markers and marker combinations.
Abstract:
The first signs of diabetic microvascular complications in the eyes and kidney, and early signs of neuropathy, may develop in children and adolescents. The development and progression of such complications are clearly related to blood glucose control. The mechanisms by which microangiopathy develops are not exactly known, and there are no excellent biochemical markers with high predictive value for future microangiopathy. The best available markers today are HbA1c and the urinary albumin excretion. New biochemical markers related to advanced glycation end products (AGEs), and recently possible genetic markers, have been described. The predictive value of single markers and the combination of such markers has to be tested in long term clinical studies.