Bacteria in the human gut can directly deliver proteins into human cells, actively shaping immune responses. A consortium led by researchers at Helmholtz Munich, with participation from Ludwig ...

Dubbed “ruptoblasts,” hormonal triggers cause these cells to detonate and wipe out the surrounding cells within minutes. Although flatworms are distant relatives of humans, this finding could inspire ...

Cytotoxic T lymphocytes are the body's specialized "killers", precisely eliminating infected or cancerous cells. Their action relies on a specialized exchange zone called the "immune synapse", where ...