Nanoparticles (NPs) have a wide use in various field of industry and in medicine, where they represent a promise for their antimicrobial effects. Simultaneous application of NPs and therapeutic stem cells can speed up tissue regeneration and improve healing process but there is a danger of negative impacts of NPs on stem cells. Therefore, we tested effects of four types of metal antimicrobial NPs on characteristics and function properties of mouse mesenchymal stem cells (MSCs) in vitro. All types of tested NPs, i.e. zinc oxide, silver, copper oxide and titanium dioxide, exerted negative effects on the expression of phenotypic markers, metabolic activity, differentiation potential, expression of genes for immunoregulatory molecules and on production of cytokines and growth factors by MSCs. However, there were apparent differences in the impact of individual types of NPs on tested characteristics and function properties of MSCs. The results showed that individual types of NPs influence the activity of MSCs, and thus the use of metal NPs during tissue regeneration and in combination with stem cell therapy should be well considered.

Department of Cell Biology Faculty of Science Charles University 128 43 Prague Czech Republic

Department of Nanotoxicology and Molecular Epidemiology Institute of Experimental Medicine of the Czech Academy of Sciences 142 20 Prague Czech Republic

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$a Echalar, Barbora $u Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the Czech Academy of Sciences, 142 20 Prague, Czech Republic; Department of Cell Biology, Faculty of Science, Charles University, 128 43 Prague, Czech Republic. Electronic address: barbora.echalar@iem.cas.cz

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$a Effects of antimicrobial metal nanoparticles on characteristics and function properties of mouse mesenchymal stem cells / $c B. Echalar, D. Dostalova, K. Palacka, E. Javorkova, B. Hermankova, T. Cervena, A. Zajicova, V. Holan, P. Rossner

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$a Nanoparticles (NPs) have a wide use in various field of industry and in medicine, where they represent a promise for their antimicrobial effects. Simultaneous application of NPs and therapeutic stem cells can speed up tissue regeneration and improve healing process but there is a danger of negative impacts of NPs on stem cells. Therefore, we tested effects of four types of metal antimicrobial NPs on characteristics and function properties of mouse mesenchymal stem cells (MSCs) in vitro. All types of tested NPs, i.e. zinc oxide, silver, copper oxide and titanium dioxide, exerted negative effects on the expression of phenotypic markers, metabolic activity, differentiation potential, expression of genes for immunoregulatory molecules and on production of cytokines and growth factors by MSCs. However, there were apparent differences in the impact of individual types of NPs on tested characteristics and function properties of MSCs. The results showed that individual types of NPs influence the activity of MSCs, and thus the use of metal NPs during tissue regeneration and in combination with stem cell therapy should be well considered.

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$a Dostalova, Dominika $u Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the Czech Academy of Sciences, 142 20 Prague, Czech Republic; Department of Cell Biology, Faculty of Science, Charles University, 128 43 Prague, Czech Republic

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$a Palacka, Katerina $u Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the Czech Academy of Sciences, 142 20 Prague, Czech Republic; Department of Cell Biology, Faculty of Science, Charles University, 128 43 Prague, Czech Republic

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$a Javorkova, Eliska $u Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the Czech Academy of Sciences, 142 20 Prague, Czech Republic; Department of Cell Biology, Faculty of Science, Charles University, 128 43 Prague, Czech Republic

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$a Hermankova, Barbora $u Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the Czech Academy of Sciences, 142 20 Prague, Czech Republic

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$a Cervena, Tereza $u Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the Czech Academy of Sciences, 142 20 Prague, Czech Republic

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$a Zajicova, Alena $u Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the Czech Academy of Sciences, 142 20 Prague, Czech Republic

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$a Holan, Vladimir $u Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the Czech Academy of Sciences, 142 20 Prague, Czech Republic; Department of Cell Biology, Faculty of Science, Charles University, 128 43 Prague, Czech Republic

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$a Rossner, Pavel $u Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the Czech Academy of Sciences, 142 20 Prague, Czech Republic

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$w MED00004536 $t Toxicology in vitro : an international journal published in association with BIBRA $x 1879-3177 $g Roč. 87, č. - (2023), s. 105536

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