Dictionary of Cancer Terms
View in Spanish: OX-40
OX-40
A protein being studied in the treatment of cancer. Substances that attach to OX-40 on the surface of T cells (a type of white blood cell) may help the T cells grow and kill more cancer cells. OX-40 is a type of tumor necrosis factor (TNF) receptor. Also called CD134.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.