T cell differentiation illustration (IMAGE) Salk Institute Caption Cytotoxic T cell (purple) deciding whether to become a memory cell (blue) or effector cell (pink) subtype. The cBAF complex (green) and Arid1a subunit open the doors for both cell fate options. Credit Salk Institute Usage Restrictions With credit and related coverage License Original 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.