4.7 Article

A reason why the ERBB2 gene is amplified and not mutated in breast cancer

Journal

CANCER CELL INTERNATIONAL
Volume 9, Issue -, Pages -

Publisher

BIOMED CENTRAL LTD
DOI: 10.1186/1475-2867-9-5

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Funding

  1. Inserm
  2. Ligue nationale contre le cancer
  3. Association pour la recherche sur le cancer [3161]
  4. Institut national du cancer [PL2008]

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Alterations of receptor-type tyrosine kinases (RTK) are frequent in human cancers. They can result from translocation, mutation or amplification. The ERBB2 RTK is encoded by a gene that is amplified in about 20% breast cancers. The question is: why is this RTK specifically subjected to this type of alteration? We propose that ERBB2 gene amplification is used to overcome repression of its expression by sequence-specific transcription factors.

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