首页|Coleus forskohlii shows anti-psoriatic activity in imiquimod-induced psoriasis rats
Coleus forskohlii shows anti-psoriatic activity in imiquimod-induced psoriasis rats
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Objective:To evaluate anti-psoriatic activity of Coleus forskohlii in rats with imiquimod-induced psoriasis.Methods:Imiquimod was used to induce psoriasis in rats.Body weight,skin thickness,erythema,scaling,spleen weight,and histological alternations were measured to assess the effect of Coleus forskohlii.Furthermore,an emulgel formulation containing Coleus forskohlii 10%was prepared and characterized along with its ex vivo permeation studies.Results:The emulgel formulation containing Coleus forskohlii 10%had a pH of 5.40±0.36,with optimum spreadability of(31.67±2.08)g/(cm·s)and viscosity of(15 966.67±1 274.10)cps,and enhanced both the rate and the extent of drug permeation through psoriatic skin.In an ex vivo study,the quantity of drug permeated(19.18%),deposited(52.38%),and drug remaining in the donor compartments(28.31%)was satisfactory.Coleus forskohlii significantly alleviated imiquimod-induced psoriasis by increasing glutathione and superoxide dismutase activity,decreasing malondialdehyde and nitric oxide levels,and alleviating histological alternations in rat skin.Conclusions:Coleus forskohlii can alleviate imiquimod-induced psoriasis,which may be used as a therapeutic candidate for the treatment of psoriasis.
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