TNF-bound colloidal gold

(... kuh-LOY-dul ...) A substance being studied in the treatment of some types of cancer. TNF-bound colloidal gold is made in the laboratory by binding a cancer-killing protein called tumor necrosis factor (TNF) to the surface of very tiny particles of gold. These TNF-gold particles may kill cancer cells without harming healthy tissue. Also called Aurimmune and colloidal gold-bound tumor necrosis factor.