Researchers in the laboratory of KI member Timothy Lu have been working to develop targeted immunotherapies to attack cancer cells. Through the use of customized DNA/RNA sequences, the team has designed a synthetic gene circuit that is activated by transcriptional signals expressed by tumor cells, triggering a combinatorial immune response. Their bioengineered "switch" requires two cancer-specific signals to be present before it turns on, making it more accurate than current therapies, and can also be customized to recognize and target different cancer types. Read more.