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The real-time, label-free monitoring of the callus extracts effects of on CRTL-2522 human skin fibroblast proliferation using the xCELLigance system. A representative graph is shown. CRTL-2522 cells were treated with various concentrations of callus extract. The cell index value was monitored in real-time for 72 h (black arrow indicates the time of callus extract administration).
