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dc.contributor.author | Salmerón-Hernández, Ángel | - |
dc.contributor.author | Noriega-Reyes, María Yamilet | - |
dc.contributor.author | Jordan, Albert | - |
dc.contributor.author | Barand-Ávila, Noemí | - |
dc.contributor.author | Langley, Elizabeth | - |
dc.date.accessioned | 2019-03-01T10:51:52Z | - |
dc.date.available | 2019-03-01T10:51:52Z | - |
dc.date.issued | 2019-02-22 | - |
dc.identifier.citation | International Journal of Molecular Sciences 20(4): 966 (2019) | - |
dc.identifier.issn | 1661-6596 | - |
dc.identifier.uri | http://hdl.handle.net/10261/177068 | - |
dc.description.abstract | Estrogen receptor alpha (ERα) has an established role in breast cancer biology. Transcriptional activation by ERα is a multistep process modulated by coactivator and corepressor proteins. Breast Cancer Amplified Sequence 2 (BCAS2), is a poorly studied ERα coactivator. In this work, we characterize some of the mechanisms through which this protein increases ERα activity and how this promotes carcinogenic processes in breast cancer cells. Using protein-protein interaction and luciferase assays we show that BCAS2 interacts with ERα both in vitro and in vivo and upregulates transcriptional activation of ERα directly through its N-terminal region (AF-1) and indirectly through its C-terminal (AF-2) region, acting in concert with AF-2 interacting coactivators. Elevated expression of BCAS2 positively affects proliferation, clonogenicity and migration of breast cancer cells and directly activates ERα regulated genes which have been shown to play a role in tumor growth and progression. Finally, we used signal transduction pathway inhibitors to elucidate how BCAS2 is regulated in these cells and observed that BCAS2 is preferentially regulated by the PI3K/AKT signaling pathway. BCAS2 is an AF-1 coactivator of ERα whose overexpression promotes carcinogenic processes, suggesting an important role in the development of estrogen-receptor positive breast cancer. | - |
dc.description.sponsorship | This work was supported by funding from the Instituto Nacional de Cancerología and grants from Consejo Nacional de Ciencia y Tecnología (CONACyT) numbers 33831-M and 182189 and from Programa de Apoyo a Proyectos de Investigación e Inovación Tecnológica, Dirección General de Asuntos del Personal Academico, UNAM. ASH and MYNR were PhD students in the Programa de Doctorado en Ciencias Biomédicas, Universidad Nacional Autónoma de México and funded by scholarships from CONACyT. The funders had no role in the study design, data collection, analysis or preparation of this manuscript. | - |
dc.description.sponsorship | We acknowledge support by the CSIC Open Access Publication Initiative through its Unit of Information Resources for Research (URICI) | - |
dc.publisher | Multidisciplinary Digital Publishing Institute | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.subject | Estrogen receptor | - |
dc.subject | Breast cancer | - |
dc.subject | BCAS2 | - |
dc.subject | Coactivators | - |
dc.title | BCAS2 Enhances Carcinogenic Effects of Estrogen Receptor Alpha in Breast Cancer Cells | - |
dc.type | artículo | - |
dc.identifier.doi | 10.3390/ijms20040966 | - |
dc.description.peerreviewed | Peer reviewed | - |
dc.relation.publisherversion | http://dx.doi.org/10.3390/ijms20040966 | - |
dc.identifier.e-issn | 1422-0067 | - |
dc.date.updated | 2019-03-01T10:51:52Z | - |
dc.rights.license | openAccess | - |
dc.contributor.funder | Consejo Superior de Investigaciones Científicas (España) | - |
dc.contributor.funder | Consejo Nacional de Ciencia y Tecnología (México) | - |
dc.contributor.funder | Instituto Nacional de Cancerología (México) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003339 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003141 | es_ES |
dc.identifier.pmid | 30813351 | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.fulltext | With Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
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