Cells transfected using FuGENE 6 reagent and protocol supplied by Roche Molecular Biochemicals. MCF-10A cells transfected with a GFP construct (pGreenLanternn-1; Gibco/BRL) and fixed with formaldehyde and counter-stained with DAPI to reveal nuclei. GFP expression (green) was detected by fluorescence microscopy using a standard FITC filter set. DAPI staining (various shades of blue) was detected by fluorescence microscopy using a DAPI filter set. Transfected cells have a light blue (almost white) nucleus surrounded by green; the lighter blue (white) is due to an overlap in the two colors. Image submitted by Randall Marsh, University of Cincinnati College of Medicine.
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