tumor suppressor gene
Also found in: Dictionary, Thesaurus, Medical, Acronyms, Wikipedia.
tumor suppressor gene[¦tüm·ər sə′pres·ər jēn]
(cell and molecular biology)
A class of genes which, when mutated, predispose an individual to cancer by causing the loss of function of the particular tumor suppressor protein encoded by the gene.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.