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Fig. 3. Colocalization of internalized fibronectin with
5 integrins. Smooth muscle cells were incubated with 10 µg/ml TR-fibronectin and 50 µM chloroquine for 8 hours. Cells were stained using an anti-
5 integrin antibody (AB1928). (A) TR-fibronectin; (B)
5 integrin; (C) overlay image. These images are optical sections collected from a confocal microscope. Scale bar: 10 µm.