JEDI T-cells provide unique technology to study, visualize immune responses and immunotherapies

When it comes to fending off disease and helping prevent people from falling ill, the body's immune system -- armed with T-cells that help eliminate cancer cells, virus-infected cells and more -- is second to none. But exactly how the immune system works remains, in many ways, a mystery, as there are numerous cell types whose functions and interactions with our immune systems have not been well understood.