Cytotoxic T lymphocytes (CTLs) recognize peptides from foreign antigens that are presented by major histocompatibility complex (MHC) class I molecules. Antigens are degraded in the cytosol by ...

Feb. 19, 2026 A major breakthrough could help save the world’s bananas from a devastating disease. Scientists have discovered the exact genetic region in a wild banana that provides resistance to ...

CD1 molecules present foreign and self lipids to diverse T cells and natural killer T (NKT) cells. Whereas the clonally restricted diverse T cells mediate adaptive immunity to microbial lipid antigens ...

Poor gut health may show up as fatigue, upset stomach, skin conditions, and autoimmune challenges. Probiotics, fermented foods, hydration, and managing stress may help. The term “gut microbiome” ...

Bystander video footage has captured the moments before the killing of 37-year-old Minneapolis man Alex Pretti by federal immigration officers. The confrontation and altercation which led to Pretti's ...