Definition / meaning of TLF

A drug being studied in the treatment of kidney cancer that has spread. It is also being studied in the treatment of other types of cancer and other conditions. TLF increases the activity of dendritic cells (a type of immune cell) to help kill cancer cells. It is a form of human lactoferrin (a protein found in milk, tears, mucus, bile, and some white blood cells) that is made in the laboratory. TLF is a type of recombinant protein and a type of immunomodulatory protein. Also called talactoferrin and talactoferrin alfa.

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The Web site of the National Cancer Institute (

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