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Year : 2019  |  Volume : 11  |  Issue : 4  |  Page : 352-355

Anticataract activity of forskolin by inhibiting polyol pathway for the prevention of diabetic complication

Department of Pharmacognosy, University College of Pharmaceutical Sciences, Kakatiya University, Warangal, Telangana, India

Correspondence Address:
Dr. Ciddi Veeresham
University College of Pharmaceutical Sciences, Kakatiya University, Warangal - 506 009, Telangana
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/pr.pr_68_19

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Background: Cataract is the opacification or optical dysfunction of the crystalline lens. Diabetes has been considered to be one of the major risk factors of cataract. Objective: The present study was designed to evaluate the anticataract activity of antioxidants such as Coleus forskohlii (CF) Briq and its phytoconstituent forskolin (FS) which were subjected to prevent cataract formation in vitro on glucose-induced cataract model. Materials and Methods: Goat lenses were incubated in Krebs-Ringer bicarbonate buffer pH 7.5 (supplemented with Taxim and streptomycin) containing 55 mM glucose (cataractogenesis) with fidarestat; CF methanolic extract; and FS at a concentration of 1 μg/mL, 100 μg/mL, and 10 μg/mL for 24 h at 37°C with 5% CO2and 95% air. Glucose-induced opacification of goat lens began 8–10 h after incubation and was complete in 24 h. Polyol (galactitol) levels in incubated lenses were estimated spectrophotometrically. Results: Cataractous lenses showed higher content of galactitol. However, lens treated with fidarestat, CF methanolic extract, and its phytoconstituent FS showed lower content of galactitol. Conclusion: CF and FS prevented the formation and progress of cataract by glucose, as evidenced by lens transparencies with photographic evaluation and lens galactitol levels.

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