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Updated: Dec 5, 2025

Characterization of Molecular Mechanisms of In vivo UVR Induced Cataract
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Characterization of Molecular Mechanisms of In vivo UVR Induced Cataract

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Pharmacological inhibition of Kv3 on oxidative stress-induced cataract progression

Min Seok Song1, Hun Ju Sim1, Seonmi Kang2

  • 1Laboratory of Veterinary Pharmacology, College of Veterinary Medicine, Republic of Korea.

Biochemical and Biophysical Research Communications
|October 17, 2020
PubMed

Insights

BDS-II, a Kv3 channel blocker, shows promise in preventing and treating cataracts. This compound protects against oxidative stress-induced lens opacity and cell death, suggesting its potential as a therapeutic agent for cataractogenesis.

Area of Science:

  • Ophthalmology
  • Cell Biology
  • Pharmacology

Background:

  • Oxidative stress is a primary risk factor for cataractogenesis.
  • Kv3 channel blockers, like BDS-II, are implicated in oxidative stress-related diseases.

Purpose of the Study:

  • To investigate the protective effects of BDS-II against cataractogenesis.
  • To evaluate BDS-II's efficacy in both in vitro and in vivo cataract models.

Main Methods:

  • Assessing BDS-II's inhibition of H2O2-induced lens opacity.
  • Evaluating BDS-II's effect on glutathione (GSH) levels in a sodium selenite-induced in vivo cataract model.
  • Testing BDS-II's protective capacity against H2O2-induced cell death in human lens epithelial cells.

Main Results:

  • BDS-II significantly inhibited H2O2-induced lens opacity.
  • BDS-II treatment prevented the reduction of total GSH in an in vivo cataract model.
  • BDS-II demonstrated cytoprotective effects on human lens epithelial cells against oxidative stress.

Conclusions:

  • BDS-II exhibits significant protective effects against cataractogenesis.
  • BDS-II's mechanism involves mitigating oxidative stress and preserving glutathione levels.
  • BDS-II represents a potential pharmacological candidate for cataract therapy.
Keywords:
BDS-IICataractCataractogenesisKv3Oxidative stress

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