Activated c-SRC in ductal carcinoma in situ correlates with high tumour grade, high proliferation and HER2 positivity.
AuthorsWilson, G R
Knox, W Fiona
Clarke, Robert B
Bundred, Nigel J
AffiliationDepartment of Academic Surgery, Research and Education Building 2nd Floor, South Manchester University Hospital, Wythenshawe, Manchester, UK.
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AbstractOverexpression and/or activity of c-Src non-receptor tyrosine kinase is associated with progression of several human epithelial cancers including breast cancer. c-Src activity in 'pure' ductal carcinoma in situ (DCIS) was measured to assess whether this predicts recurrence and/or correlates with HER2 expression and other clinical parameters. Activated c-Src levels were evaluated in DCIS biopsies from 129 women, with median follow-up at 60 months. High levels of activated c-Src correlated with HER2 positivity, high tumour grade, comedo necrosis and elevated epithelial proliferation. In univariate analysis, high activated c-Src level associated with lower recurrence-free survival at 5 years (P=0.011). Thus, high c-Src activity may identify a subset of DCIS with high risk of recurrence or progression to invasive cancer where therapeutics targeting c-Src may benefit this patient subset.
CitationActivated c-SRC in ductal carcinoma in situ correlates with high tumour grade, high proliferation and HER2 positivity. 2006, 95 (10):1410-4 Br. J. Cancer
JournalBritish Journal of Cancer
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