[ proh-toh-ong-kuh-jeen ]
/ ˌproʊ toʊˈɒŋ kəˌdʒin /
a normally present gene that appears to have a role in the regulation of normal cell growth, but that is converted to an oncogene by mutation.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for proto-oncogene
[ prō′tō-ŏng′kə-jēn′ ]
A normal gene that has the potential to transform itself into an oncogene.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.