Actin Response (IMAGE) Luxembourg Institute of Health Caption Confocal microscopy image. Accumulation of actin filaments (in green) at the immunological synapse of a resistant cancer cell in contact with an NK cell (in red). Cell nuclei are shown in blue. Credit LIH Usage Restrictions put LIH copyright 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.