PSGL-1 acts as a phagocytosis checkpoint to promote tumor immune escape through impeding LFA-1 activation in macrophages.
PSGL-1 is a phagocytosis checkpoint that enables tumor escape from macrophage clearance | Science Immunology

PSGL-1 acts as a phagocytosis checkpoint to promote tumor immune escape through impeding LFA-1 activation in macrophages.