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. 2016 Mar;39(1):129-34.
doi: 10.1590/1678-4685-GMB-2015-0057.

Human mesenchymal stem cells are resistant to cytotoxic and genotoxic effects of cisplatin in vitro

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Human mesenchymal stem cells are resistant to cytotoxic and genotoxic effects of cisplatin in vitro

Bruno Corrêa Bellagamba et al. Genet Mol Biol. 2016 Mar.

Abstract

Mesenchymal stem cells (MSCs) are known for their important properties involving multilineage differentiation potential., trophic factor secretion and localization along various organs and tissues. On the dark side, MSCs play a distinguished role in tumor microenvironments by differentiating into tumor-associated fibroblasts or supporting tumor growth via distinct mechanisms. Cisplatin (CIS) is a drug widely applied in the treatment of a large number of cancers and is known for its cytotoxic and genotoxic effects, both in vitro and in vivo. Here we assessed the effects of CIS on MSCs and the ovarian cancer cell line OVCAR-3, by MTT and comet assays. Our results demonstrated the resistance of MSCs to cell death and DNA damage induction by CIS, which was not observed when OVCAR-3 cells were exposed to this drug.

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Figures

Figure 1
Figure 1. Immunophenotypic profile of cultured human adipose-derived MSCs. Cells expressed CD13, CD73 and CD90, but did not express CD69, CD117 and HLA-DR markers.
Figure 2
Figure 2. Percentage of viable cells, evaluated by MTT assay, after 72 h of exposure to increasing concentrations of cisplatin (CIS). Black bars represent MSCs and white bars correspond to OVCAR-3 cells. NC: Negative Control. *P <0.05; **P <0.01; ***P <0.001.

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