Association of FOSL1 copy number alteration and triple negative breast tumors
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Genetics and Molecular Biology |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572019000100026 |
Resumo: | Abstract Copy number alterations (CNAs) are a frequent feature in human breast cancer, and one of the hallmarks of genomic instability. The FOSL1, GSTP1 and CCND1 genes are located at 11q13, a cytoband commonly affected by CNA in breast cancer, with relevant function in progression and invasion. Our main goal was to analyze CNAs of these genes and determine their association with breast cancer subtypes. Seventy-three cases of invasive breast tumors [52 Luminal, 7 HER2+ and 14 triple negative (TNBC) subtypes] were analyzed by TaqMan assays. CNAs were observed for all genes, with gains more frequently observed. Gains of the FOSL1 gene were observed in 71% of the cases. This gene was the only one with a statistically significant difference (p<0.001) among tumor subtypes, with increased copy number in TNBC compared to luminal and HER2+. No significant association of CNA and clinical and histopathological parameters from the patients was observed. Additional studies in larger breast cancer patient cohorts based on more refined molecular subtypes are necessary to confirm the observed association of FOSL1 gain with aggressive breast tumors phenotypes. |
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Genetics and Molecular Biology |
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Association of FOSL1 copy number alteration and triple negative breast tumorsTriple negative breast cancerTNBCDNA copy number alterationsCNAAbstract Copy number alterations (CNAs) are a frequent feature in human breast cancer, and one of the hallmarks of genomic instability. The FOSL1, GSTP1 and CCND1 genes are located at 11q13, a cytoband commonly affected by CNA in breast cancer, with relevant function in progression and invasion. Our main goal was to analyze CNAs of these genes and determine their association with breast cancer subtypes. Seventy-three cases of invasive breast tumors [52 Luminal, 7 HER2+ and 14 triple negative (TNBC) subtypes] were analyzed by TaqMan assays. CNAs were observed for all genes, with gains more frequently observed. Gains of the FOSL1 gene were observed in 71% of the cases. This gene was the only one with a statistically significant difference (p<0.001) among tumor subtypes, with increased copy number in TNBC compared to luminal and HER2+. No significant association of CNA and clinical and histopathological parameters from the patients was observed. Additional studies in larger breast cancer patient cohorts based on more refined molecular subtypes are necessary to confirm the observed association of FOSL1 gain with aggressive breast tumors phenotypes.Sociedade Brasileira de Genética2019-03-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572019000100026Genetics and Molecular Biology v.42 n.1 2019reponame:Genetics and Molecular Biologyinstname:Sociedade Brasileira de Genética (SBG)instacron:SBG10.1590/1678-4685-gmb-2017-0267info:eu-repo/semantics/openAccessSerino,Leandro Tamião RodriguesJucoski,Tayana SchultzMorais,Stephanie Bath deFernandes,Cíntia Callegari CoêlhoLima,Rubens Silveira deUrban,Cícero AndradeCavalli,Luciane ReginaCavalli,Iglenir JoãoRibeiro,Enilze Maria de Souza Fonsecaeng2019-03-25T00:00:00Zoai:scielo:S1415-47572019000100026Revistahttp://www.gmb.org.br/ONGhttps://old.scielo.br/oai/scielo-oai.php||editor@gmb.org.br1678-46851415-4757opendoar:2019-03-25T00:00Genetics and Molecular Biology - Sociedade Brasileira de Genética (SBG)false |
dc.title.none.fl_str_mv |
Association of FOSL1 copy number alteration and triple negative breast tumors |
title |
Association of FOSL1 copy number alteration and triple negative breast tumors |
spellingShingle |
Association of FOSL1 copy number alteration and triple negative breast tumors Serino,Leandro Tamião Rodrigues Triple negative breast cancer TNBC DNA copy number alterations CNA |
title_short |
Association of FOSL1 copy number alteration and triple negative breast tumors |
title_full |
Association of FOSL1 copy number alteration and triple negative breast tumors |
title_fullStr |
Association of FOSL1 copy number alteration and triple negative breast tumors |
title_full_unstemmed |
Association of FOSL1 copy number alteration and triple negative breast tumors |
title_sort |
Association of FOSL1 copy number alteration and triple negative breast tumors |
author |
Serino,Leandro Tamião Rodrigues |
author_facet |
Serino,Leandro Tamião Rodrigues Jucoski,Tayana Schultz Morais,Stephanie Bath de Fernandes,Cíntia Callegari Coêlho Lima,Rubens Silveira de Urban,Cícero Andrade Cavalli,Luciane Regina Cavalli,Iglenir João Ribeiro,Enilze Maria de Souza Fonseca |
author_role |
author |
author2 |
Jucoski,Tayana Schultz Morais,Stephanie Bath de Fernandes,Cíntia Callegari Coêlho Lima,Rubens Silveira de Urban,Cícero Andrade Cavalli,Luciane Regina Cavalli,Iglenir João Ribeiro,Enilze Maria de Souza Fonseca |
author2_role |
author author author author author author author author |
dc.contributor.author.fl_str_mv |
Serino,Leandro Tamião Rodrigues Jucoski,Tayana Schultz Morais,Stephanie Bath de Fernandes,Cíntia Callegari Coêlho Lima,Rubens Silveira de Urban,Cícero Andrade Cavalli,Luciane Regina Cavalli,Iglenir João Ribeiro,Enilze Maria de Souza Fonseca |
dc.subject.por.fl_str_mv |
Triple negative breast cancer TNBC DNA copy number alterations CNA |
topic |
Triple negative breast cancer TNBC DNA copy number alterations CNA |
description |
Abstract Copy number alterations (CNAs) are a frequent feature in human breast cancer, and one of the hallmarks of genomic instability. The FOSL1, GSTP1 and CCND1 genes are located at 11q13, a cytoband commonly affected by CNA in breast cancer, with relevant function in progression and invasion. Our main goal was to analyze CNAs of these genes and determine their association with breast cancer subtypes. Seventy-three cases of invasive breast tumors [52 Luminal, 7 HER2+ and 14 triple negative (TNBC) subtypes] were analyzed by TaqMan assays. CNAs were observed for all genes, with gains more frequently observed. Gains of the FOSL1 gene were observed in 71% of the cases. This gene was the only one with a statistically significant difference (p<0.001) among tumor subtypes, with increased copy number in TNBC compared to luminal and HER2+. No significant association of CNA and clinical and histopathological parameters from the patients was observed. Additional studies in larger breast cancer patient cohorts based on more refined molecular subtypes are necessary to confirm the observed association of FOSL1 gain with aggressive breast tumors phenotypes. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-03-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572019000100026 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572019000100026 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/1678-4685-gmb-2017-0267 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Genética |
publisher.none.fl_str_mv |
Sociedade Brasileira de Genética |
dc.source.none.fl_str_mv |
Genetics and Molecular Biology v.42 n.1 2019 reponame:Genetics and Molecular Biology instname:Sociedade Brasileira de Genética (SBG) instacron:SBG |
instname_str |
Sociedade Brasileira de Genética (SBG) |
instacron_str |
SBG |
institution |
SBG |
reponame_str |
Genetics and Molecular Biology |
collection |
Genetics and Molecular Biology |
repository.name.fl_str_mv |
Genetics and Molecular Biology - Sociedade Brasileira de Genética (SBG) |
repository.mail.fl_str_mv |
||editor@gmb.org.br |
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1752122388892352512 |