Cellular Messages (IMAGE) University of California - San Diego Caption These time-lapse images of a bovine aortic endothelial cell reveal the motion toward the cell's nucleus of a message-carrying protein called paxillin (orange) in tandem with actin filaments (green). Credit UC San Diego Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.