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Expression of Mtor/70S6k Signaling Pathway in Melanoma Cancer Cells and the Effects of Dacarbazine and Metformin Publisher



Javarsiani MH1 ; Javanmard SH2 ; Sajedianfard J1
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Authors Affiliations
  1. 1. Department of Basic Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
  2. 2. Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Current Cancer Therapy Reviews Published:2022


Abstract

Background: Melanoma, also known as malignant melanoma, is a type of skin cancer that develops from the pigment-producing cells known as melanocytes. Melanomas typically occur in the skin but may rarely occur in the mouth, intestines or, eye. This study aims to examine the expression of the mammalian target of rapamycin (mTOR)/70S6K signaling pathway in melanoma cancer. Methods: The B16F10 cell line treated with dacarbazine IC50 and different concentrations of met-formin (0.5, 2, and 8 mM) for 24 hr and mTOR and 70S6k proteins expression were examined by western blotting. Cell viability was measured by MTT assay. Results: Western blot analysis showed that after different concentrations of metformin and dacar-bazine treatments, the mTOR and 70S6K protein expression significantly (P<0.05) decreased. Conclusion: Metformin-induced repression of mTOR/70S6k axis activity disrupts B16F10 growth. Thus, we believe that combination therapy may be a suitable potential therapeutic target for melanoma cancer. © 2022 Bentham Science Publishers.
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