Fig. 1. Subcellular distribution of endogenous APC and EB1 in MDCK cells. Basal sections of MDCK cells co-stained for EB1 (green in a-e and a''-e'') and APC (red in a'-e' and a''-e''). Arrowheads, cortical APC clusters at the tip of cell extensions; black arrowheads, APC clusters without EB1; white arrowheads, APC clusters partially overlapping with EB1. Bars, 10 µm. Insets, higher magnification of the upper left cell extension in a-a" co-stained for EB1 (green) and APC (red). Bar, 2.5 µm.

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