Additional file 1.

Intracellular distribution of NHE3 (TRITC-labeled). The total NHE3 is evenly distributed with slight accumulations in the membrane protrusions in both polarized (+EF, right panel) and non-polarized (-EF, left panel) cells during cathode (Calvaria)- or anode (SaOS-2)-directed motility.

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Özkucur et al. BMC Cell Biology 2011 12:4   doi:10.1186/1471-2121-12-4