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COMPARATIVE STUDY OF DAPSONE AND CYCLOPHOSPHAMIDE ON TREATMENT OF PAPILLOMA SKIN CANCER

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Abstract (2. Language): 
In the present study, anti-cancer property of Dapsone was evaluated against 7, 12-dimethyl benz(a)anthracene (DMBA) induced skin tumorigenesis in Swiss albino mice. A single topical application of 7,12-dimethyl benz(a)anthracene (100 u.g/100 u.l of acetone), followed 2 weeks later by repeated application of croton oil (1% in acetone two times a week) for 8 weeks exhibited 100 percent tumor incidence (group IV). In contrast, animals treated orally with Dapsone (group V) and Cyclophosphamide (group VI) exhibited 40, 50 per cent tumor incidence, which significantly higher than 100% tumor incidence in the group IV (control). The cumulative number of papillomas during the observation period of 8 weeks was significantly decreased in the groups V and VI in compare to 25 cumulative numbers of papillomas in carcinogen control group. The tumor burden and tumor yield of V and VI group was significantly lesser (1.89, 2.9 and 1.82, 2.7) as compared to DMBA/ croton oil treated control (3.8 and 3.8). The study has revealed the inhibition of dimethylebenz (a) anthracene (DMBA)/croton oil induced skin tumorigenesis in Swiss albino mice by Dapsone treatment comparison to Cyclophosphamide.
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Shashi Shekhar Singh, IJPRBS, 2013; Volume 2(4): 385-392
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ISSN: 2277-8713 IJPRBS
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