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Comprehensive genomic analysis of a BRCA2 deficient human pancreatic cancer
Capan-1 is a well-characterised BRCA2-deficient human cell line isolated from a liver metastasis of a pancreatic adenocarcinoma. Here we report a genome-wide assessment of structural variations and high-depth exome characterization of single nucleotide variants and small insertion/deletions in Capan...
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Published in: | PloS one 2011-07, Vol.6 (7), p.e21639-e21639 |
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creator | Barber, Louise J Rosa Rosa, Juan M Kozarewa, Iwanka Fenwick, Kerry Assiotis, Ioannis Mitsopoulos, Costas Sims, David Hakas, Jarle Zvelebil, Marketa Lord, Christopher J Ashworth, Alan |
description | Capan-1 is a well-characterised BRCA2-deficient human cell line isolated from a liver metastasis of a pancreatic adenocarcinoma. Here we report a genome-wide assessment of structural variations and high-depth exome characterization of single nucleotide variants and small insertion/deletions in Capan-1. To identify potential somatic and tumour-associated variations in the absence of a matched-normal cell line, we devised a novel method based on the analysis of HapMap samples. We demonstrate that Capan-1 has one of the most rearranged genomes sequenced to date. Furthermore, small insertions and deletions are detected more frequently in the context of short sequence repeats than in other genomes. We also identify a number of novel mutations that may represent genetic changes that have contributed to tumour progression. These data provide insight into the genomic effects of loss of BRCA2 function. |
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Here we report a genome-wide assessment of structural variations and high-depth exome characterization of single nucleotide variants and small insertion/deletions in Capan-1. To identify potential somatic and tumour-associated variations in the absence of a matched-normal cell line, we devised a novel method based on the analysis of HapMap samples. We demonstrate that Capan-1 has one of the most rearranged genomes sequenced to date. Furthermore, small insertions and deletions are detected more frequently in the context of short sequence repeats than in other genomes. We also identify a number of novel mutations that may represent genetic changes that have contributed to tumour progression. These data provide insight into the genomic effects of loss of BRCA2 function.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0021639</identifier><identifier>PMID: 21750719</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Adenocarcinoma ; Adenocarcinoma - genetics ; Adenocarcinoma - pathology ; Analysis ; Biology ; BRCA2 protein ; BRCA2 Protein - deficiency ; BRCA2 Protein - genetics ; Breast cancer ; Cancer genetics ; Cancer therapies ; Cell Line, Tumor ; Cells (Biology) ; Chromosome Mapping ; Comparative Genomic Hybridization ; Deoxyribonucleic acid ; DNA ; DNA repair ; Evolution & development ; Genetic aspects ; Genome, Human - genetics ; Genomes ; Genomic analysis ; Genomics ; Genomics - methods ; Humans ; Insertion ; Liver ; Medical research ; Medicine ; Metastases ; Metastasis ; Minority & ethnic groups ; Mutation ; Pancreatic cancer ; Pancreatic Neoplasms - genetics ; Pancreatic Neoplasms - pathology ; Proteins ; Sequence Analysis, DNA - methods ; Tumors</subject><ispartof>PloS one, 2011-07, Vol.6 (7), p.e21639-e21639</ispartof><rights>COPYRIGHT 2011 Public Library of Science</rights><rights>2011 Barber et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License: https://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. 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Here we report a genome-wide assessment of structural variations and high-depth exome characterization of single nucleotide variants and small insertion/deletions in Capan-1. To identify potential somatic and tumour-associated variations in the absence of a matched-normal cell line, we devised a novel method based on the analysis of HapMap samples. We demonstrate that Capan-1 has one of the most rearranged genomes sequenced to date. Furthermore, small insertions and deletions are detected more frequently in the context of short sequence repeats than in other genomes. We also identify a number of novel mutations that may represent genetic changes that have contributed to tumour progression. 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Here we report a genome-wide assessment of structural variations and high-depth exome characterization of single nucleotide variants and small insertion/deletions in Capan-1. To identify potential somatic and tumour-associated variations in the absence of a matched-normal cell line, we devised a novel method based on the analysis of HapMap samples. We demonstrate that Capan-1 has one of the most rearranged genomes sequenced to date. Furthermore, small insertions and deletions are detected more frequently in the context of short sequence repeats than in other genomes. We also identify a number of novel mutations that may represent genetic changes that have contributed to tumour progression. These data provide insight into the genomic effects of loss of BRCA2 function.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>21750719</pmid><doi>10.1371/journal.pone.0021639</doi><tpages>e21639</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Adenocarcinoma Adenocarcinoma - genetics Adenocarcinoma - pathology Analysis Biology BRCA2 protein BRCA2 Protein - deficiency BRCA2 Protein - genetics Breast cancer Cancer genetics Cancer therapies Cell Line, Tumor Cells (Biology) Chromosome Mapping Comparative Genomic Hybridization Deoxyribonucleic acid DNA DNA repair Evolution & development Genetic aspects Genome, Human - genetics Genomes Genomic analysis Genomics Genomics - methods Humans Insertion Liver Medical research Medicine Metastases Metastasis Minority & ethnic groups Mutation Pancreatic cancer Pancreatic Neoplasms - genetics Pancreatic Neoplasms - pathology Proteins Sequence Analysis, DNA - methods Tumors |
title | Comprehensive genomic analysis of a BRCA2 deficient human pancreatic cancer |
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