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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Protooncogén

Proto-oncogene (PROH-toh-ON-koh-jeen)
A gene involved in normal cell growth. Mutations (changes) in a proto-oncogene may cause it to become an oncogene, which can cause the growth of cancer cells.



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