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Cancer Biol Ther. 2004 Aug;3(8):772-5. Epub 2004 Aug 26.

The PIK3CA gene is mutated with high frequency in human breast cancers.

Author information

1
The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Department of Oncology, Baltimore, Maryland 21231, USA. kbachman1@yahoo.com

Erratum in

  • Cancer Biol Ther. 2005 Feb;4(2):133.

Abstract

The phosphatidylinositol 3-kinases (PI3Ks) are known regulators of cellular growth and proliferation. It has recently been reported that somatic mutations within the PI3K subunit p110alpha (PIK3CA) are present in human colorectal and other cancers. Here we show that thirteen of fifty-three breast cancers (25%) contain somatic mutations in PIK3CA, with the majority of mutations located in the kinase domain. These results demonstrate that PIK3CA is the most mutated oncogene in breast cancer and support a role for PIK3CA in epithelial carcinogenesis.

Comment in

PMID:
15254419
DOI:
10.4161/cbt.3.8.994
[Indexed for MEDLINE]

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