... implications for the regulation of filopodia formation [45]. Thus, it is likely that F-actincytoskeletal changes may be related to enhanced and more productive viral infection, and the interaction of the ... (0,24, 36, 48 and 60 h), the cells were fixed by using fixativebuffer (2% formaldehyde and 0.2% glutaradehyde) at roomtemperature for 20 min, and then stained with Giemsa for 45 min. The cells were ... as the control. For fusion, at 18 h post-transfection, the target and the effector cells were mixed together (1 : 1 ratio) and cocultivated in 24-well dishes. The activation of the reporter luciferase...