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BRCA1 and BRCA2 mutation analysis in breast-ovarian cancer families from northeastern Poland

Author:
  • Magdalena Perkowska
  • Izabela BroZek
  • Barbara Wysocka
  • Karin Haraldsson
  • Therese Törngren
  • Ulla Johansson
  • Gunilla Sellberg
  • Åke Borg
  • Janusz Limon
Publishing year: 2003
Language: English
Pages: 553-554
Publication/Series: Human Mutation
Volume: 21
Issue: 5
Document type: Journal article
Publisher: John Wiley & Sons

Abstract english

Sixty high-risk breast and/or ovarian cancer families from North-Eastern Poland were screened for germline mutations in BRCA1 (MIM# 113705) and BRCA2 (MIM# 600185), using a combination of protein truncation test, denaturing high-performance liquid chromatography and direct sequencing. Sixteen (27%) of the families were found to carry nine different BRCA mutations, including 14 families with BRCA1 mutation and two families with BRCA2 mutation. The results suggest the presence of two strong BRCA1 founder mutations in the Polish population - 5382insC (6 families) and 300T>G (Cys61Gly; 3 families). The remaining seven mutations were found in single families and included three previously reported BRCA1 mutations (185delAG, 2682C>T [Gln855Ter] and 3819del5), a novel BRCA1 mutation (IVS14+1G>A), as well as two BRCA2 mutations (4088delA and 7985G>A [Trp2586Ter]) not previously observed in Polish families. We confirm the strong influence of two Central-Eastern European BRCA1 founder mutations in familial breast and/or ovarian cancer in Poland. We also conclude that the Polish population has a more dispersed BRCA mutation spectrum than had been earlier thought. This warrants further careful BRCA mutation screening in order to optimise genetic counselling and disease prevention in affected families.

Keywords

  • Medical Genetics

Other

Published
  • ISSN: 1059-7794
Åke Borg
Åke Borg
E-mail: ake.borg [at] med.lu.se

Principal investigator

Oncology and Pathology, MV

+46 46 275 25 52

MV 404 C21B2

90

Project manager

Familial Breast Cancer

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Professor

Oncology and Pathology, MV

MV 404 C21C2

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