Frequency of <it>CHEK2*1100delC</it> in New York breast cancer cases and controls

<p>Abstract</p> <p>Background</p> <p>The <it>1100delC CHEK2 </it>allele has been associated with a 1.4–4.7 fold increased risk for breast cancer in women carrying this mutation. While the frequency of <it>1100delC </it>was 1.1–1.4% in healthy Fin...

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Main Authors: Robson Mark, Satagopan Jaya, Huang Helen, Yossepowitch Orit, Johnson Steven, Gregersen Peter, Rapaport Beth, Kolachana Prema, Kirchhoff Tomas, Pierce Heather, Offit Kenneth, Scheuer Lauren, Nafa Khedoudja, Ellis Nathan
Format: Article
Language:English
Published: BMC 2003-01-01
Series:BMC Medical Genetics
Online Access:http://www.biomedcentral.com/1471-2350/4/1
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author Robson Mark
Satagopan Jaya
Huang Helen
Yossepowitch Orit
Johnson Steven
Gregersen Peter
Rapaport Beth
Kolachana Prema
Kirchhoff Tomas
Pierce Heather
Offit Kenneth
Scheuer Lauren
Nafa Khedoudja
Ellis Nathan
author_facet Robson Mark
Satagopan Jaya
Huang Helen
Yossepowitch Orit
Johnson Steven
Gregersen Peter
Rapaport Beth
Kolachana Prema
Kirchhoff Tomas
Pierce Heather
Offit Kenneth
Scheuer Lauren
Nafa Khedoudja
Ellis Nathan
author_sort Robson Mark
collection DOAJ
description <p>Abstract</p> <p>Background</p> <p>The <it>1100delC CHEK2 </it>allele has been associated with a 1.4–4.7 fold increased risk for breast cancer in women carrying this mutation. While the frequency of <it>1100delC </it>was 1.1–1.4% in healthy Finnish controls, the frequency of this allele in a North American control population and in North American breast cancer kindreds remains unclear.</p> <p>Methods</p> <p>We genotyped 1665 healthy New York volunteers and 300 cases of breast cancer for the <it>CHEK2*1100delC</it>.</p> <p>Results</p> <p>The overall frequency of the <it>1100delC </it>was 3/300 (1.0%) among all cases with either a family history of breast cancer (n = 192) or a personal history of breast cancer (n = 108, of which 46 were bilateral, 46 unilateral, and 16 were male breast cancer cases), compared to a frequency of 5/1665 (0.3%) in healthy controls (p = 0.1). There was no difference in allele frequency among Ashkenazi and non-Ashkenazi controls.</p> <p>Conclusion</p> <p>The relatively low breast cancer penetrance of this allele, along with the low population frequency, will limit the clinical applicability of germline testing for <it>CHEK2*1100delC </it>in North American kindreds.</p>
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spelling doaj.art-a5e9aa2ad7844f43888a0e616e957f2d2022-12-21T23:24:49ZengBMCBMC Medical Genetics1471-23502003-01-0141110.1186/1471-2350-4-1Frequency of <it>CHEK2*1100delC</it> in New York breast cancer cases and controlsRobson MarkSatagopan JayaHuang HelenYossepowitch OritJohnson StevenGregersen PeterRapaport BethKolachana PremaKirchhoff TomasPierce HeatherOffit KennethScheuer LaurenNafa KhedoudjaEllis Nathan<p>Abstract</p> <p>Background</p> <p>The <it>1100delC CHEK2 </it>allele has been associated with a 1.4–4.7 fold increased risk for breast cancer in women carrying this mutation. While the frequency of <it>1100delC </it>was 1.1–1.4% in healthy Finnish controls, the frequency of this allele in a North American control population and in North American breast cancer kindreds remains unclear.</p> <p>Methods</p> <p>We genotyped 1665 healthy New York volunteers and 300 cases of breast cancer for the <it>CHEK2*1100delC</it>.</p> <p>Results</p> <p>The overall frequency of the <it>1100delC </it>was 3/300 (1.0%) among all cases with either a family history of breast cancer (n = 192) or a personal history of breast cancer (n = 108, of which 46 were bilateral, 46 unilateral, and 16 were male breast cancer cases), compared to a frequency of 5/1665 (0.3%) in healthy controls (p = 0.1). There was no difference in allele frequency among Ashkenazi and non-Ashkenazi controls.</p> <p>Conclusion</p> <p>The relatively low breast cancer penetrance of this allele, along with the low population frequency, will limit the clinical applicability of germline testing for <it>CHEK2*1100delC </it>in North American kindreds.</p>http://www.biomedcentral.com/1471-2350/4/1
spellingShingle Robson Mark
Satagopan Jaya
Huang Helen
Yossepowitch Orit
Johnson Steven
Gregersen Peter
Rapaport Beth
Kolachana Prema
Kirchhoff Tomas
Pierce Heather
Offit Kenneth
Scheuer Lauren
Nafa Khedoudja
Ellis Nathan
Frequency of <it>CHEK2*1100delC</it> in New York breast cancer cases and controls
BMC Medical Genetics
title Frequency of <it>CHEK2*1100delC</it> in New York breast cancer cases and controls
title_full Frequency of <it>CHEK2*1100delC</it> in New York breast cancer cases and controls
title_fullStr Frequency of <it>CHEK2*1100delC</it> in New York breast cancer cases and controls
title_full_unstemmed Frequency of <it>CHEK2*1100delC</it> in New York breast cancer cases and controls
title_short Frequency of <it>CHEK2*1100delC</it> in New York breast cancer cases and controls
title_sort frequency of it chek2 1100delc it in new york breast cancer cases and controls
url http://www.biomedcentral.com/1471-2350/4/1
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