Correspondsto Fig. 3.Real-time visualizationof the redistributionof cystolic FGF:GFP.FGF:GFP NIH 3T3 cell transfectantswere incubatedfor 2 h inanenvironmentally controlledmicroscope chamber under heat-shock conditions, andthe real-time imaging of anindividual cell wasperformedcombining phase contrastandconfocal fluorescence microscopy using the 100x objective. Imageswere takenat2-minintervalsduring the heat-shock period. Selectedimagesover thistime periodare presented.