Pre-exposure to amitriptyline did not affect MV binding to DCs as determined by detection of MV F protein positive cells after 2 hrs at 4°C (Fig. 4B, left panel and graph), yet efficiently reduced intracellular GFP-accumulation after 24 hrs (with FIP added following infection to prevent MV spread) (Fig. 4B, right panel and graph). This evidence concerns the gene VCL and infection.