ArticleJournal of clinical and diagnostic research : JCDR2015
Role of Cytochrome Modulators in Altering the Occurrence of Cataract in Rats.
Article in Journal of clinical and diagnostic research : JCDR, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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- Long non-coding RNA ANRIL alleviates HAging · 2020Article
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4 authors at 1 institution in 1 country.
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Abstract
backgroundCataract is one of the primary causes of blindness all over the world. It indicates the onset of secondary complications of diabetes. The only treatment available is surgery as there are no satisfactory drugs which can prevent or retard the initiation and maturation of cataract. It was hypothesized that cytochrome P 450 (CYP) inducers or inhibitors can modify the cataract occurrence by accelerating or delaying the occurrence of cataract respectively.
objectiveTo study the effect of two commonly used drugs, phenytoin (CYP inducer) and ciprofloxacin (CYP inhibitor) on the initiation and maturation of cataract with the galactose- induced cataract model. MATERIALS AND
methodsThe experiment was conducted in 24 new born male Wistar rats. Cataract formation was induced with a 50% galactose diet. The rats were randomized into four groups of 6 rats each: Group 1 rats received a normal diet; Group 2, 3 and 4 rats received 50% galactose diet day 23 onwards. In addition, Group 3 rats were pre-treated with ciprofloxacin (20mg/kg) and Group 4 rats were pre-treated with phenytoin (50mg/kg) day 18 onwards once a day orally. The appearance of cataract was checked daily with an ophthalmoscope. The maturation pattern was examined using Fundus Fluorsen Angiographer (FFA). The cataract was graded according to Sippel's classification. The experimental and control groups were compared by chi square test and the results were considered significant at p< 0.05.
resultsThe initiation of cataract was significantly delayed with ciprofloxacin as compared to galactose; however, there was no difference in the maturation pattern of cataract in both the groups. In spite of being a CYP inducer, the initiation of cataract was not accelerated in phenytoin group. Rather, it was significantly delayed and the cataract did not progress to stage 5 even on 30(th) day of galactose administration.
conclusionCYP450 modulators have a significant effect on the initiation of cataract without significantly altering the maturation pattern. It is not reasonable to extrapolate the results of one enzyme inhibitor or inducer to other CYP modulators. Hence, further studies are needed to identify the pharmacological profile of various CYP modulators on the occurrence of cataractogenesis.
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