Additional File 2.

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The role of macropinocytosis in the internalization of TAT-SA in living HeLa cells. Three-dimensional (3D) illustration of colocalization of TAT-SA-A488 (green) and macropinocytosis marker TRITC-labeled dextran (10 kD, red) at 15 min post transduction by confocal microscopy. Merged 3D images of TAT-SA-A488 and TRITC-dextran together (yellow) with DIC images were used for construction of the QuickTime movie.

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Rinne et al. BMC Biotechnology 2007 7:1   doi:10.1186/1472-6750-7-1