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[The significance of HbA1 determination in children]
1Klinik und Poliklinik für Kindermedizin der Medizinischen Akademie Erfurt.
Insights
Glycated hemoglobin (HbA1c) reflects diabetes control. High blood sugar causes harmful chemical reactions with proteins, leading to long-term diabetic complications like altered collagen.
Area of Science:
- Biochemistry
- Endocrinology
- Diabetology
Background:
- Glycated hemoglobin (HbA1c) is a key indicator for evaluating metabolic regulation in diabetic patients.
- The development and severity of vascular complications in diabetes are linked to the duration and degree of hyperglycemia.
Purpose of the Study:
- To explain the chemical reactions between glucose and proteins in diabetes.
- To illustrate the structural and functional consequences of these reactions on human proteins.
- To highlight these changes as contributors to long-term diabetic complications.
Main Methods:
- Review of chemical reactions of glucose with proteins.
- Examination of structural and functional protein alterations.
- Case example using collagen's slow turnover rate.
Main Results:
- Hyperglycemia leads to non-enzymatic glycation of proteins.
- Glycation causes structural and functional modifications in various human proteins.
- Proteins with slow turnover rates, like collagen, accumulate these glycation-induced alterations.
Conclusions:
- Understanding glucose-protein interactions is crucial for managing diabetic complications.
- Altered proteins, exemplified by collagen, contribute to the pathogenesis of long-term diabetes sequelae.
- Effective metabolic regulation is essential to mitigate these detrimental effects.
Abstract:
The determination of glycated haemoglobin permits a good evaluation of metabolic regulation of diabetics. The development of vascular complications depends on duration and degree of hyperglycemia. It is presented the different chemical reactions of glucose with proteins in diabetes. The consequences are structural and functional changes of a variety of human proteins. This is a part of long-term complications of diabetics. Collagen is used as an example for a protein with a relatively slow turnover rate that could allow for an accumulation of altered protein.