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Analysis of the 10q23 chromosomal region and the PTEN gene in human sporadic breast carcinoma
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  • Regular Article
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  • Published: 29 January 1999

Analysis of the 10q23 chromosomal region and the PTEN gene in human sporadic breast carcinoma

  • H E Feilotter1 na1,
  • V Coulon2 na1,
  • J L McVeigh1 na1,
  • A H Boag1,
  • F Dorion-Bonnet2,
  • B Duboué2,
  • W C W Latham1,
  • C Eng3,
  • L M Mulligan1 &
  • …
  • M Longy2 

British Journal of Cancer volume 79, pages 718–723 (1999)Cite this article

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Abstract

We examined a panel of sporadic breast carcinomas for loss of heterozygosity (LOH) in a 10-cM interval on chromosome 10 known to encompass the PTEN gene. We detected allele loss in 27 of 70 breast tumour DNAs. Fifteen of these showed loss limited to a subregion of the area studied. The most commonly deleted region was flanked by D10S215 and D10S541 and encompasses the PTEN locus. We used a combination of denaturing gradient gel electrophoresis and single-strand conformation polymorphism analyses to investigate the presence of PTEN mutations in tumours with LOH in this region. We did not detect mutations of PTEN in any of these tumours. Our data show that, in sporadic breast carcinoma, loss of heterozygosity of the PTEN locus is frequent, but mutation of PTEN is not. These results are consistent with loss of another unidentified tumour suppressor in this region in sporadic breast carcinoma.

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  • 16 November 2011

    This paper was modified 12 months after initial publication to switch to Creative Commons licence terms, as noted at publication

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Author notes
  1. H E Feilotter, V Coulon and J L McVeigh: These authors contributed equally to this work.

Authors and Affiliations

  1. Department of Pathology, Queen’s University, Kingston, K7L 3N6, Ontario, Canada

    H E Feilotter, J L McVeigh, A H Boag, W C W Latham & L M Mulligan

  2. Molecular Oncology Laboratory, Institut Bergonié, 180, rue de Saint-Genès, Bordeaux, 33076, France

    V Coulon, F Dorion-Bonnet, B Duboué & M Longy

  3. Department of Adult Oncology and the Charles A Dana Human Cancer Genetics Unit, Department of Medicine, Dana-Farber Cancer Institute, Harvard Medical School, 1 Jimmy Fund Way, Boston, 02115, MA, USA

    C Eng

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  1. H E Feilotter
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  2. V Coulon
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Feilotter, H., Coulon, V., McVeigh, J. et al. Analysis of the 10q23 chromosomal region and the PTEN gene in human sporadic breast carcinoma. Br J Cancer 79, 718–723 (1999). https://doi.org/10.1038/sj.bjc.6690115

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  • Received: 05 August 1997

  • Revised: 13 May 1998

  • Accepted: 07 July 1998

  • Published: 29 January 1999

  • Issue date: 01 February 1999

  • DOI: https://doi.org/10.1038/sj.bjc.6690115

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Keywords

  • breast carcinoma
  • chromosome 10q
  • Cowden disease
  • PTEN

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  • A novel deleterious PTEN mutation in a patient with early-onset bilateral breast cancer

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