NCIt definition : Secreted by activated natural killer lymphocytes as a 50-kDa glycoprotein lymphokine,
Leukoregulin can up regulate the expression of hyaluronan and prostaglandin-endoperoxide
H synthase 2 (PTGS2), the inflammatory cyclooxygenase. Leukoregulin shows tumor growth
inhibitory activity, enhances membrane permeability, and promotes the uptake of cytotoxic
drugs by tumors cells without affecting these processes in normal cells. (NCI);