Any of several polypeptide hormones, produced by macrophages, that can destroy some cancer cells
A protein produced by macrophages in the presence of an endotoxin and shown experimentally to be capable of attacking and destroying cancerous tumors
a proinflammatory cytokine that is produced by white blood cells (monocytes and macrophages); has an antineoplastic effect but causes inflammation (as in rheumatoid arthritis)