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Biomarkers in diabetic nephropathy: Present and future
Gemma Currie1, Gerard McKay1, Christian Delles1
1Gemma Currie, Christian Delles, Institute of Cardiovascular and Medical Sciences, University of Glasgow, G12 8TA Glasgow, United Kingdom.
World Journal of Diabetes
|December 17, 2014
Summary
Diabetic nephropathy (DN) diagnosis faces challenges as microalbuminuria (MA) has limited predictive power. New biomarkers are needed for earlier detection and risk stratification in diabetic kidney disease.
Area of Science:
- Nephrology
- Endocrinology
- Diabetology
Background:
- Diabetic nephropathy (DN) is a primary cause of end-stage renal disease.
- Microalbuminuria (MA) is a common clinical index for DN and cardiovascular risk in diabetics.
- The predictive power of MA for DN progression is limited, with only ~30% of patients progressing over 10 years.
Purpose of the Study:
- To review recent developments in identifying novel biomarkers for earlier diagnosis and improved risk stratification in diabetic nephropathy.
- To address the unmet clinical need for more accurate predictive tools beyond microalbuminuria.
Main Methods:
- Review of recent scientific literature and clinical studies.
- Analysis of emerging biomarkers for diabetic nephropathy.
- Evaluation of diagnostic and prognostic capabilities of novel markers.
Main Results:
- Microalbuminuria's predictive value for DN progression is lower than previously thought.
- A significant percentage of patients with MA revert to normoalbuminuria.
- Non-albuminuric DN exists, where glomerular filtration rate declines without progressing through MA.
- Structural changes in the glomerular basement membrane can precede clinical detection of MA.
Conclusions:
- Microalbuminuria alone is insufficient for accurate DN diagnosis and risk stratification.
- There is a critical need for novel biomarkers to detect DN earlier and predict its progression more reliably.
- Future research should focus on identifying and validating new biomarkers for comprehensive DN management.
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