Related Experiment Video
Updated: Apr 3, 2026
05:19
Author Spotlight: Unraveling the Molecular Mechanisms in PCO and Fibrosis Following Cataract Surgery
Published on: December 1, 2023
1.8K
Role of Cytochrome Modulators in Altering the Occurrence of Cataract in Rats
Kanchan Gupta1, Shivani Juneja2, G S Bajwa3
1Associate Professor, Department of Pharmacology, Dayanand Medical College & Hospital , Ludhiana, India .
Journal of Clinical and Diagnostic Research : JCDR
|September 23, 2015
Summary
Cataract formation was delayed by ciprofloxacin and phenytoin, cytochrome P450 (CYP) modulators, in a rat model. These drugs impacted cataract initiation but not maturation, suggesting targeted therapeutic potential.
Area of Science:
- Ophthalmology
- Pharmacology
- Biochemistry
Background:
- Cataract is a leading cause of global blindness, often linked to diabetes complications.
- Current treatments are limited to surgery, with no effective drugs to prevent or slow cataract progression.
- Cytochrome P450 (CYP) modulators were hypothesized to influence cataract development.
Purpose of the Study:
- To investigate the effects of phenytoin (a CYP inducer) and ciprofloxacin (a CYP inhibitor) on cataract initiation and maturation.
- Utilized a galactose-induced cataract model in Wistar rats.
Main Methods:
- Galactose-induced cataracts in newborn male Wistar rats.
- Four groups: control, galactose-only, galactose + ciprofloxacin, galactose + phenytoin.
- Daily ophthalmoscopic examination and Fundus Fluorescein Angiography (FFA) for cataract grading (Sippel's classification).
Main Results:
- Ciprofloxacin significantly delayed cataract initiation compared to the galactose-only group.
- Phenytoin also significantly delayed cataract initiation and progression.
- Neither drug altered the cataract maturation pattern.
Conclusions:
- Cytochrome P450 (CYP) modulators significantly influence cataract initiation, not maturation.
- Results highlight the need for specific studies on individual CYP modulators due to varied effects.
- Further research is required to understand the pharmacological profiles of various CYP modulators in cataractogenesis.
