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Cold atmospheric plasma is a potent tool to improve chemotherapy in melanoma in vitro and in vivo
Authors
Mina Alimohammadi
Sander Bekeschus
+6 more
Monireh Golpour
Seyedehniaz Hadavi
Haleh Akhavan Niaki
Alireza Rafiei
Farshad Sohbatzadeh
Reza Valadan
Publication date
1 January 2020
Publisher
Basel : MDPI
Doi
Cite
Abstract
Malignant melanoma is a devastating disease. Because of its aggressiveness, it also serves as a model tumor for investigating novel therapeutic avenues. In recent years, scientific evidence has shown that cold atmospheric plasma (CAP) might be a promising modality in cancer therapy. In this study, we aimed to evaluate the effect of CAP generated by an argon plasma jet alone or in combination with dacarbazine (DAC) on melanoma cells in vitro and in vivo. The effects of the CAP on inducing lipid peroxidation and nitric oxide production were higher in B16 melanoma cells in comparison to non-malignant L929 cells. Assays on cell growth, apoptosis, and expression of genes related to, e.g., autophagic processes, showed CAP to have a substantial impact in melanoma cells while there were only minoreffects in L929 cells. In vivo, both CAP monotherapy and combination with DAC significantly decreased tumor growth. These results suggest that CAP not only selectively induces cell death in melanoma but also holds promises in combination with chemotherapy that might lead to improved tumor control. © 2020 by the authors
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Last time updated on 23/07/2022