NewslettersImmune Regulation NewsAntigen-Bearing Outer Membrane Vesicles as Tumor Vaccines Produced In Situ by Ingested Genetically Engineered BacteriaBy Danielle Corrigan - May 3, 20220335Researchers showed that outer membrane vesicles fused to a tumor antigen and produced in the intestine by ingested genetically engineered bacteria function as effective tumor vaccines in mice.[Nature Biomedical Engineering]Abstract