Cytotoxic Immune Cells in Lips Key to Tissue Damage in Sjögren’s
Cytotoxic CD8+ T-cells, a type of immune cells, build up in the salivary glands of the lips of patients with severe Sjögren’s syndrome, where they may kill the epithelial cells that line the glands, according to a new study. As these cells die, the glands no longer can produce…