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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: DR4

DR4
A protein on the surface of certain cells that binds another protein called TRAIL, which may kill some cancer cells. An increase in the amount or activity of DR4 on cancer cells may kill more cells. Also called death receptor 4, TRAIL receptor 1, TRAIL-R1, and tumor necrosis factor receptor superfamily member 10A.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.