Targeting carbonic anhydrase to treat diabetic retinopathy: emerging evidences and encouraging results

Zhang Weiwei1, Renming Hu

  • 1Department of Endocrinology and Metabolism, HuaShan Hospital, Institute of Endocrinology and Diabetology, Shanghai Medical College, Fudan University, Shanghai 200040, China.

Insights

Diabetic retinopathy (DR) treatments are limited. Carbonic anhydrase (CA) inhibitors show promise for treating DR by targeting specific enzyme mechanisms, offering new therapeutic possibilities.

Area of Science:

  • Ophthalmology
  • Biochemistry
  • Pharmacology

Background:

  • Diabetic retinopathy (DR) is a primary cause of vision loss in working adults.
  • Current DR treatments, including glycemic control, blood pressure management, and laser surgery, have limitations.
  • Carbonic anhydrases (CAs) are enzymes involved in CO2 and bicarbonate metabolism.

Purpose of the Study:

  • To review the potential of carbonic anhydrase inhibitors (CAIs) as a novel therapeutic strategy for diabetic retinopathy.
  • To summarize preclinical and clinical evidence supporting CAIs in DR treatment.
  • To explore the underlying mechanisms of CAIs in the context of DR.

Main Methods:

  • Review of existing clinical studies on CAIs for DR.
  • Analysis of animal model studies investigating CAI efficacy in DR.
  • Examination of biochemical pathways related to CA function in ocular tissues.

Main Results:

  • Emerging evidence suggests CA inhibitors demonstrate therapeutic potential in both animal models and human clinical trials for DR.
  • CAIs may offer a new mechanism for managing DR beyond current treatment paradigms.
  • Studies indicate specific CA isoenzymes are implicated in DR pathogenesis.

Conclusions:

  • Carbonic anhydrase inhibitors represent a promising therapeutic avenue for diabetic retinopathy.
  • Further research into CAI mechanisms and clinical application is warranted.
  • Targeting carbonic anhydrases could offer a novel approach to preserving vision in diabetic patients.

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