Immune Cells in Tumors (IMAGE) Rockefeller University Caption When researchers analyzed the immune cells in the tumors and grouped them by type, they found more cancer-fighting cells in mice with ApoE4. Credit Elizabeth and Vincent Meyer Laboratory of Systems Cancer Biology at The Rockefeller University Usage Restrictions Image may be used to illustrate the research described in the accompanying release. 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.