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oncogene

American  
[ong-kuh-jeen] / ˈɒŋ kəˌdʒin /

noun

Genetics.
  1. any gene that is a causative factor in the initiation of cancerous growth.


oncogene British  
/ ˈɒŋkəʊˌdʒiːn /

noun

  1. any of several genes, first identified in viruses but present in all cells, that when abnormally activated can cause cancer

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

oncogene Scientific  
/ ŏnkə-jēn /
  1. A gene that causes normal cells to become cancerous either because the gene is mutated or because the gene is expressed at the wrong time in development.

  2. See Note at cancer


oncogene Cultural  
  1. Genes in animal DNA that cause cancer.


Discover More

Every cell contains genes that, when altered slightly, can become oncogenes.

Etymology

Origin of oncogene

First recorded in 1965–70; onco- + gene

Compare meaning

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Researchers at UNC Lineberger Comprehensive Cancer Center and colleagues have established the most comprehensive molecular portrait of the workings of KRAS, a key cancer-causing gene or "oncogene," and how its activities impact pancreatic cancer outcomes.

From Science Daily • Jun. 6, 2024

TRABI-Seq is being tested on various cancer cells to determine trabectedin's efficacy in targeting tumors with advanced DNA repair capabilities, often associated with elevated transcription levels due to oncogene activation.

From Science Daily • Mar. 12, 2024

An example of an oncogene involved in cancer is a protein called myc.

From Textbooks • Jun. 9, 2022

For example, HER2-positive breast cancers involve a mutated HER2 oncogene, which produces a protein that increases the growth of cancer cells.

From Nature • Mar. 24, 2020

They were attacking the cancer with a new cocktail: two chemo drugs and a protein receptor that they hoped would turn off the oncogene in Gus’s cancer.

From "The Fault in Our Stars" by John Green