tumor suppressor geneListen to pronunciation(TOO-mer suh-PREH-ser jeen)A type of gene that regulates cell growth. When a tumor suppressor gene is mutated, uncontrolled cell growth may occur. This may contribute to the development of cancer. Also called antioncogene.More InformationTumor Suppressor Gene (National Human Genome Research Institute)Search NCI's Dictionary of Genetics TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#