A functional genetic approach identifies the PI3K pathway as a major determinant of trastuzumab resistance in breast cancer.
Katrien Berns,Hugo M. Horlings,Bryan T. Hennessy,Mandy Madiredjo,E. Marielle Hijmans,Karin Beelen,Sabine C. Linn,Ana M. Gonzalez-Angulo,Katherine Stemke-Hale,Michael Hauptmann,Roderick L. Beijersbergen,Gordon B. Mills,Marc J. van de Vijver,René Bernards +13 more
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TL;DR: Assessment of PI3K pathway activation may provide a biomarker to identify patients unlikely to respond to trastuzumab-based therapy, and the combined analysis of PTEN and PIK3CA identified twice as many patients at increased risk for progression compared to PTEN alone.
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About: This article is published in Cancer Cell. The article was published on 16 Oct 2007. and is currently open access. The article focuses on the topics: Trastuzumab & Breast cancer.
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Molecular portraits of human breast tumours
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TL;DR: Variation in gene expression patterns in a set of 65 surgical specimens of human breast tumours from 42 different individuals were characterized using complementary DNA microarrays representing 8,102 human genes, providing a distinctive molecular portrait of each tumour.
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