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Diabetic cataracts: mechanisms and management.
Irina G Obrosova1, Stephen S M Chung, Peter F Kador
1Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA 70808, USA. obrosoig@pbrc.edu
Diabetes/Metabolism Research and Reviews
|May 18, 2010
Summary
Diabetic cataracts, a leading cause of blindness, are linked to increased aldose reductase activity. Further research into diabetic cataractogenesis mechanisms and treatments is crucial.
Area of Science:
- Ophthalmology
- Endocrinology
- Biochemistry
Background:
- Diabetes mellitus significantly increases cataract prevalence (5-fold higher).
- Diabetic cataracts often present as cortical, posterior subcapsular, or nuclear opacities.
- Cataractogenesis mechanisms in diabetes are less understood than other diabetic complications.
Purpose of the Study:
- To review the pathogenesis of diabetic cataracts.
- To highlight the role of aldose reductase in diabetic cataract formation.
- To emphasize the need for research into therapeutic agents for diabetic cataracts.
Main Methods:
- Review of animal and human studies on diabetic cataractogenesis.
- Analysis of biochemical pathways involved in cataract formation.
- Examination of current treatment options and research priorities.
Main Results:
- Increased aldose reductase activity is a key contributor to diabetic cataract development.
- Aldose reductase contributes to both animal and human diabetic cataracts.
- Surgical extraction remains the sole current treatment for diabetic cataracts.
Conclusions:
- Understanding diabetic cataractogenesis is vital for developing new therapies.
- Targeting aldose reductase may offer a therapeutic strategy.
- Further research and pharmaceutical development are essential for effective diabetic cataract management.
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