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Using Viagra to combat malignant melanoma
Date:11/8/2011

ce, which is better known under its trade name, Viagra, had already been reported to improve tumor immunity in experimental animal models several times before. Of the mice that had been given the substance with their drinking water, more than twice as many were still alive after about seven weeks as of their untreated fellows. In the animals that had been treated, both the number of tumor-specific T cells and the level of activating molecules had returned to normal. This means that sildenafil successfully neutralizes the chronic inflammation in the melanoma environment and combats the immunosuppressive activity of MDSC.

"Our research approach is special because the disease takes a very similar course in mice as melanoma does in humans," Viktor Umansky said explaining the medical relevance of his findings. "Therefore, it is very well possible that sildenafil can also inhibit the immunosuppressive effects of inflammation and thus improve antitumor immunity in people with melanoma. In this way, the drug may contribute to achieving better treatment results in malignant melanoma."


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Contact: Dr. Sibylle Kohlstdt
s.kohlstaedt@dkfz.de
Helmholtz Association of German Research Centres
Source:Eurekalert

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