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. 2019 May 29;20(11):2646. doi: 10.3390/ijms20112646

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Effects of different concentrations of ZF1 on metabolic activity in hASCs. The percentage of resazurin reduction (as an indicator of cell proliferation) in hASCs treated with ZF1 (0.01, 10, and 20 μg/mL) or a solvent (SOLV) or untreated (CTR). An analysis was conducted at 4, 24, 48, and 72 h from the beginning of the treatment and an experiment was performed in technical quadruplicate. Statistical significance was evaluated using ANOVA followed by the Tukey HSD test. Data are expressed as mean ± standard deviation (SD), n = 4.