Actin cytoskeletal alterations are required for CD44-mediated phagocytosis. (A-B) Confocal fluorescent and transmitted light images of phalloidin-FITC–stained RAW cells during early stages of phagocytosis of CD44 Ebabs. The solid line represents 5 μm. (C) Efficiency of phagocytosis of CD44 Ebabs by RAW cells preincubated with latrunculin B 0 and 1 μM. *Different from 0 μM latrunculin B, P < .01, n = 4. Phagocytosis was recorded as the phagocytic index.