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. 2018 Apr 16;115(18):4761–4766. doi: 10.1073/pnas.1717705115

Fig. 3.

Fig. 3.

Confocal microscopy visualization of E3 internalization into 22Rv1 prostate cancer cells. Cells were treated for 1 h with 1 μM of either (A) AF488-E3 or AF488-C36 ± CellMask Deep Red Plasma Membrane Stain or (B) AF488-E3 + LysoTracker Deep Red stain to label acidic vesicles. After washing, Hoechst 33342 was added to all samples to stain the nuclei. Fluorescence was observed on a Leica SP5 inverted confocal microscope. (White scale bars: 20 μm.)