Cellular Changes after Force Stimulation (IMAGE) National Institutes of Natural Sciences Caption Tight junctions (TJ) that seal between cells are strengthened by the accumulation of a TJ component ZO-1. Credit NIBB 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.