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Novel Treatment for Reducing the Viability of Skin Cancer Cells

by Dr. Trupti Shirole on  May 29, 2016 at 4:14 PM Cancer News   - G J E 4
Melanoma is a highly aggressive form of skin cancer. It affects melanocytes, the cells responsible for the synthesis of melanin, which gives the skin its color. Finding new, more effective and personalized treatments for cancer is the challenge of many researchers.
 Novel Treatment for Reducing the Viability of Skin Cancer Cells
Novel Treatment for Reducing the Viability of Skin Cancer Cells
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This challenge has been successfully met by a team from Inserm led by Stephane Rocchi. Researchers have just synthesized and developed new drugs for melanoma. One of them, known as HA15, reduces the viability of melanoma cells without being toxic for normal cells. This work has just been published in the journal Cancer Cell.

‘A newly synthesized and developed drug for melanoma, known as HA15, reduces the viability of melanoma cells without being toxic for normal cells.’
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There are three stages of tumor progression: radial growth, in which the cells proliferate in a disordered manner in the epidermis, the vertical growth phase, which involves invasion of the dermis, and finally the metastatic phase, corresponding to the dissemination of the cancer cells in the peripheral tissues.

Although encouraging results have been obtained for treating the metastatic phase (using targeted therapies or immunotherapies), most patients will need additional treatments to prevent the tumor from coming back, and to prevent more metastases from developing. The identification of new drug candidates is therefore an unavoidable element for the establishment of effective biotherapies against this cancer, the incidence of which is doubling every ten years.

In this context, researchers from Nice discovered a new family of drugs, the Thiazole Benzensulfonamides (TZB), which have useful anticancer properties. "Initially this family of drugs was identified in type 2 diabetes, as it increased the sensitivity of cells to insulin. If we wanted to use it against cancer, we had to be able to eliminate this proinsulin activity," explains Stephane Rocchi. "Thus we started to modify its structure."

After many attempts, the initial TZD structure was extensively modified thanks to a fruitful collaboration with Dr. Benhida's team from the Nice Institute of Chemistry, to obtain a formulation in which the 'lead compound' was called HA15.

Source: Eurekalert
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