MIT News
October 25, 2021
The Yaffe Lab, in collaboration with the Irvine Lab, is looking at novel ways to combine chemotherapy and radiotherapy with immunotherapy for more effective cancer treatment. In a study appearing in Science Signaling, tumor cells from mice were treated with DNA-damaging chemotherapy and re-injected back into the tumors before administering immune checkpoint blockade therapy.
Current conventions suggest that molecules released by dead or dying tumor cells can enhance immune cell response—a phenomenon known as immunogenic cell death—but here the researchers found that signals released by the still-living damaged cells were the ones inducing the greater immune response. This new approach, dubbed "immunogenic cell injury," could offer a viable treatment strategy for patients whose tumors have not previously responded to immunotherapy. The team will continue to test their approach using different drugs, dosages, and tumor types.
This work was funded in part by the Mazumdar-Shaw International Oncology Fellowship, the MIT Center for Precision Cancer Medicine, and the Charles and Marjorie Holloway Foundation.