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Figure 1. Fluorescence micrographs of MSCs monolayer grown in the presence of 50 μM purified QSSMs, for 2 and 18 h. (A and B) MSCs untreated control (containing an equivalent amount of HPLC grade EtOH), (C) MSCs treated with OdDHL, (D) MSCs treated with C4HSL, (E) MSCs treated with PQS, (F) MSCs treated with HHQ. FDA, fluorescein diacetate staining (green, visualization at 488 nm); PI, propidium iodide staining (red, visualization at 546 nm). Immersion oil, 1000× magnification.
