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Albumin-like material in urine
Wayne D Comper1, Tanya M Osicka
1Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, Australia. wcomper@ausambiotech.com
Kidney International. Supplement
|October 16, 2004
Summary
A novel modified albumin in urine, undetectable by standard tests, is disproportionately excreted in diabetic microalbuminuria. Quantifying this modified albumin may predict diabetic kidney disease onset years earlier than current methods.
Area of Science:
- Nephrology
- Diabetology
- Biochemistry
Background:
- A modified albumin form exists in urine, undetected by conventional antibodies.
- This albumin variant exhibits intact physicochemical properties under nondenaturing conditions.
Purpose of the Study:
- To investigate the excretion patterns of modified albumin in diabetic states.
- To evaluate the potential of modified albumin quantification for early microalbuminuria prediction in diabetes.
Main Methods:
- Physicochemical characterization of modified albumin.
- Comparative analysis of modified albumin excretion in diabetic patients with varying urinary albumin levels.
- Longitudinal assessment of modified albumin levels for predicting microalbuminuria onset.
Main Results:
- Modified albumin is disproportionately excreted in microalbuminuric states in diabetes.
- Quantification of modified albumin allows for earlier prediction of microalbuminuria onset.
- Prediction of microalbuminuria onset is achieved 3-4 years earlier compared to conventional immunoassays.
Conclusions:
- Modified albumin represents a significant biomarker for diabetic kidney disease.
- Early detection of microalbuminuria through modified albumin measurement can facilitate timely intervention.
- This finding offers a novel diagnostic approach for managing diabetic nephropathy.