FIG. 2.

Internalization of Cy3-labeled Ib to endosomal compartment of MDCK cells. MDCK cells were incubated with Cy3-labeled Ib (1 μg/ml) for 15 min (A), 60 min (B), and 120 min (C) at 37°C. The cells were fixed, and the localization of Cy3-Ib was detected by fluorescence microscopy.