mistletoe lectins

Definition of mistletoe lectin

mistletoe lectin

(MIH-sul-toh LEK-tin)
A substance that comes from the mistletoe plant and that is being studied as a treatment for cancer. A lectin is a complex molecule that has both protein and sugars. Lectins are able to bind to the outside of a cell and cause biochemical changes in it. Lectins are made by both animals and plants.

Source: NCI Dictionary of Cancer Terms