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Experimental Basosquamous Carcinoma Model in Rats

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Abstract

Previous studies have established that 7,12-dimethylbenz(a)anthracene (DMBA) can initiate skin tumorigenesis in conventional furred mouse models by acting on hair follicle stem cells. In this work, we have developed a simple and convenient rat model of basosquamous carcinoma (BSC) using DMBA-induced carcinogenesis in male specific pathogen free (SPF) Wistar rats with no additional tumor promoter agents. The results showed that topical application of 0.1% solution of DMBA in benzene in a volume of 40 μL twice a week produced skin tumors after 8–9 months. As a result, during the 11–12th months, we obtained 15 animals with BSCs, 22 with basal cell carcinomas (BCCs), and 3 with squamous cell carcinomas (SCCs). This chemically driven skin cancer model in Wistar rats can serve as a suitable alternative to the mouse skin cancer model and can be reliably replicated as demonstrated by the experiment.

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Acknowledgments

Authors are thankful to professor D.G. Zaridze for his help in biological experiments.

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Correspondence to E. V. Kuznetсova.

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Snarskaya, E.S., Pylev, L.N., Akhunzyanov, A.A. et al. Experimental Basosquamous Carcinoma Model in Rats. BioNanoSci. 7, 423–427 (2017). https://doi.org/10.1007/s12668-016-0380-0

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  • DOI: https://doi.org/10.1007/s12668-016-0380-0

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