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dc.contributor.author
Rabassa, Martín Enrique
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Isla Larrain, Marina Teresita
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Lacunza, Ezequiel
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Cermignani, Luciano
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Alberdi, Cecilio G.
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Demichelis, Sandra Olga
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Abba, Martín Carlos
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Segal Eiras, Amada
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Croce, María Virginia
dc.date.available
2018-08-09T19:55:58Z
dc.date.issued
2015-06
dc.identifier.citation
Rabassa, Martín Enrique; Isla Larrain, Marina Teresita; Lacunza, Ezequiel; Cermignani, Luciano; Alberdi, Cecilio G.; et al.; Nuclear localization of MUC1 extracellular domain in breast, head and neck, and colon cancer; SAGE Publications; The International Journal of Biological Markers; 30; 3; 6-2015; 294-300
dc.identifier.issn
1724-6008
dc.identifier.uri
http://hdl.handle.net/11336/54858
dc.description.abstract
Background: The glycoprotein MUC1 is overexpressed and underglycosylated in cancer cells. MUC1 is translated as a single polypeptide that undergoes autocleavage into 2 subunits (the extracellular domain and the cytoplasmic tail), and forms a stable heterodimer at the apical membrane of normal epithelial cells. The MUC1 cytoplasmic tail localizes to the cytoplasm of transformed cells and is targeted to the nucleus. Aims: To study the expression of the MUC1 extracellular subunit in cell nuclei of neoplastic breast, head and neck, and colon samples. Materials and Methods: 330 primary tumor samples were analyzed: 166 invasive breast carcinomas, 127 head and neck tumors, and 47 colon tumors; 10 benign breast disease (BBD) and 40 normal specimens were also included. A standard immunohistochemical method with antigen retrieval was performed. Nuclear fractions from tissue homogenates and breast cancer cell lines (ZR-75, MDA-MB-231, MCF7, and T47D) were obtained and analyzed by Western blotting (WB). The anti-MUC1 extracellular subunit monoclonal antibody HMFG1 was used for immunohistochemistry. Results: 37/166 breast cancer specimens, 5/127 head and neck cancer specimens, 2/47 colon cancer samples, and 3/10 BBD samples showed immunohistochemical staining at the nuclear level. No nuclear reaction was detected in normal samples. By WB, breast and colon cancer purified nuclear fractions showed reactivity at 200 kDa in 3/30 breast and 3/20 colon cancer samples as well as purified nuclear fractions obtained from breast cancer cell lines. Conclusions: This study shows that the MUC1 extracellular domain might be translocated to the cell nucleus in breast, head and neck, and colon cancer as well as BBD.
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application/pdf
dc.language.iso
eng
dc.publisher
SAGE Publications
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Muc1
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Cytolpasmic Tail
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Nuclear Localization
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Cancer
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Otras Ciencias Biológicas
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Nuclear localization of MUC1 extracellular domain in breast, head and neck, and colon cancer
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-08-01T14:19:25Z
dc.journal.volume
30
dc.journal.number
3
dc.journal.pagination
294-300
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Rabassa, Martín Enrique. Universidad Nacional de La Plata. Facultad de Ciencias Médicas. Centro de Investigaciones Inmunológicas Básicas y Aplicadas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
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Fil: Isla Larrain, Marina Teresita. Universidad Nacional de La Plata. Facultad de Ciencias Médicas. Centro de Investigaciones Inmunológicas Básicas y Aplicadas; Argentina
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Fil: Lacunza, Ezequiel. Universidad Nacional de La Plata. Facultad de Ciencias Médicas. Centro de Investigaciones Inmunológicas Básicas y Aplicadas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
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Fil: Cermignani, Luciano. Universidad Nacional de La Plata. Facultad de Ciencias Médicas. Centro de Investigaciones Inmunológicas Básicas y Aplicadas; Argentina
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Fil: Alberdi, Cecilio G.. Universidad Nacional de La Plata. Facultad de Ciencias Médicas. Centro de Investigaciones Inmunológicas Básicas y Aplicadas; Argentina
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Fil: Demichelis, Sandra Olga. Universidad Nacional de Lanús; Argentina
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Fil: Abba, Martín Carlos. Universidad Nacional de La Plata. Facultad de Ciencias Médicas. Centro de Investigaciones Inmunológicas Básicas y Aplicadas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
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Fil: Segal Eiras, Amada. Universidad Nacional de La Plata. Facultad de Ciencias Médicas. Centro de Investigaciones Inmunológicas Básicas y Aplicadas; Argentina
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Fil: Croce, María Virginia. Universidad Nacional de La Plata. Facultad de Ciencias Médicas. Centro de Investigaciones Inmunológicas Básicas y Aplicadas; Argentina
dc.journal.title
The International Journal of Biological Markers
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/ 10.5301/jbm.5000147
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://journals.sagepub.com/doi/abs/10.5301/jbm.5000147
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