HA-induced actin rearrangement in LTBMC adherent cells. Adherent cells of LTBMCs after 4 weeks in culture were incubated with HA (100 mg/μL) for 10 minutes, 4 hours, and 16 hours, respectively. Staining of the actin cytoskeleton by phalloidine-rhodamine (Materials and Methods) is shown. Magnification was 1,000-fold.