T Cells (IMAGE) Weizmann Institute of Science Caption These are T cells (red) attacking melanoma cells (green). The neo-antigen-specific T cells in this image are especially effective at killing cancer cells. Credit Weizmann Institute of Science 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.