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Fig. 8. Inhibitor-2 exits the nucleus by passive diffusion. HeLa cells were
electroporated with either Inh2GFP3 or Inh2HA and grown at low
density for 6 hours. The cells were then trypsinized and plated onto
fibronectin-coated coverslips for 4 hours. The coverslips were then fixed and
visualized either for GFP fluorescence or by indirect immunofluorescence
techniques directed against the triple HA tag (orange). A shows the GFP
fluorescence and B shows a merge of the HA immunofluorescence (orange) and
DAPI staining of the DNA (Blue).