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dc.rights.license | https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ | es_ES |
dc.creator | Zubeldía-Brenner, Lautaro | es_ES |
dc.creator | De Winne, Catalina | es_ES |
dc.creator | Perrone, Sofía | es_ES |
dc.creator | Rodríguez-Seguí, Santiago A | es_ES |
dc.creator | Willems, Christophe | es_ES |
dc.creator | Ornstein, Ana María | es_ES |
dc.creator | Lacau-Mengido, Isabel | es_ES |
dc.creator | Vankelecom, Hugo | es_ES |
dc.creator | Cristina, Carolina | es_ES |
dc.creator | Becu-Villalobos, Damasia | es_ES |
dc.date.accessioned | 2021-02-03T14:19:56Z | |
dc.date.available | 2021-02-03T14:19:56Z | |
dc.date.issued | 2018-08-18 | |
dc.identifier.citation | Zubeldía-Brenner L, De Winne C, Perrone S, Rodríguez-Seguí SA, Willems C, Ornstein AM, Lacau-Mengido I, Vankelecom H, Cristina C, Becu-Villalobos D. Inhibition of Notch signaling attenuates pituitary adenoma growth in Nude mice. Endocr Relat Cancer. 2019 Jan 1;26(1):13-29. doi: 10.1530/ERC-18-0337. PMID: 30121620. | es_ES |
dc.identifier.issn | 1479-6821 | es_ES |
dc.identifier.issn | 1351-0088 | es_ES |
dc.identifier.uri | http://repositorio.unnoba.edu.ar:8080/xmlui/handle/23601/112 | |
dc.description.abstract | Preclinical and clinical studies support that Notch signaling may play an important oncogenic role in cancer, but there is scarce information for pituitary tumors. We therefore undertook a functional study to evaluate Notch participation in pituitary adenoma growth. Tumors generated in Nude mice by subcutaneous GH3 somatolactotrope cell injection were treated in vivo with DAPT, a γ-secretase inhibitor, thus inactivating Notch signaling. This treatment led to pituitary tumor reduction, lower prolactin and GH tumor content and a decrease in angiogenesis. Furthermore, in silico transcriptomic and epigenomic analyses uncovered several tumor suppressor genes related to Notch signaling in pituitary tissue, namely Btg2, Nr4a1, Men1, Zfp36 and Cnot1. Gene evaluation suggested that Btg2, Nr4a1 and Cnot1 may be possible players in GH3 xenograft growth. Btg2 mRNA expression was lower in GH3 tumors compared to the parental line, and DAPT increased its expression levels in the tumor in parallel with the inhibition of its volume. Cnot1 mRNA levels were also increased in the pituitary xenografts by DAPT treatment. And the Nr4a1 gene was lower in tumors compared to the parental line, though not modified by DAPT. Finally, because DAPT in vivo may also be acting on tumor microenvironment, we determined the direct effect of DAPT on GH3 cells in vitro. We found that DAPT decreases the proliferative, secretory and migration potential of GH3 cells. These results position selective interruption of Notch signaling as a potential therapeutic tool in adjuvant treatments for aggressive or resistant pituitary tumors. | es_ES |
dc.description.sponsorship | Fil: Zubeldía-Brenner, Lautaro. Universidad de Buenos Aires (UBA). Instituto de Biología y Medicina Experimental (IByME-CONICET). Laboratorio de Regulación Hipofisaria; Argentina. | es_ES |
dc.description.sponsorship | Fil: De Winne, Catalina. Universidad de Buenos Aires (UBA). Instituto de Biología y Medicina Experimental (IByME-CONICET). Laboratorio de Regulación Hipofisaria; Argentina. | es_ES |
dc.description.sponsorship | Fil: Perrone, Sofía. Universidad Nacional del Noroeste de la Provincia de Buenos Aires (UNNOBA). CIT NOBA (UNNOBA-UNSADA-CONICET). Centro de Investigaciones Básicas y Aplicadas (CIBA). Laboratorio de Fisiopatología de la Hipófisis; Argentina. | es_ES |
dc.description.sponsorship | Fil: Rodríguez-Seguí, Santiago A. Universidad de Buenos Aires (UBA). Facultad de Ciencias Exactas y Naturales. Departamento de Fisiología y Biología Molecular y Celular. CONICET-UBA. Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE); Argentina. | es_ES |
dc.description.sponsorship | Fil: Willems, Christophe. KU Leuven (University of Leuven). Department of Development and Regeneration, Cluster Stem Cell and Developmental Biology, Unit of Stem Cell Research; Belgium. | es_ES |
dc.description.sponsorship | Fil: Ornstein, Ana María. Universidad de Buenos Aires (UBA). Instituto de Biología y Medicina Experimental (IByME-CONICET). Laboratorio de Regulación Hipofisaria; Argentina. | es_ES |
dc.description.sponsorship | Fil: Lacau-Mengido, Isabel. Universidad de Buenos Aires (UBA). Instituto de Biología y Medicina Experimental (IByME-CONICET). Laboratorio de Regulación Hipofisaria; Argentina. | es_ES |
dc.description.sponsorship | Fil: Vankelecom, Hugo. KU Leuven (University of Leuven). Department of Development and Regeneration, Cluster Stem Cell and Developmental Biology, Unit of Stem Cell Research; Belgium. | es_ES |
dc.description.sponsorship | Fil: Cristina, Carolina. Universidad Nacional del Noroeste de la Provincia de Buenos Aires (UNNOBA). CIT NOBA (UNNOBA-UNSADA-CONICET). Centro de Investigaciones Básicas y Aplicadas (CIBA). Laboratorio de Fisiopatología de la Hipófisis; Argentina. | es_ES |
dc.description.sponsorship | Fil: Becu-Villalobos, Damasia. Universidad de Buenos Aires (UBA). Instituto de Biología y Medicina Experimental (IByME-CONICET). Laboratorio de Regulación Hipofisaria; Argentina. | es_ES |
dc.format | application/pdf | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Bioscientifica | es_ES |
dc.rights | info:eu-repo/semantics/openAccess | es_ES |
dc.source | Endocrine-Related Cancer | es_ES |
dc.subject | DAPT | es_ES |
dc.subject | Pituitary | es_ES |
dc.subject | Angiogenesis | es_ES |
dc.subject | Prolactin | es_ES |
dc.subject | GH | es_ES |
dc.title | Inhibition of Notch signaling attenuates pituitary adenoma growth in Nude mice | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.type | info:ar-repo/semantics/artículo | es_ES |
dc.type | info:eu-repo/semantics/publishedVersion | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.type | info:ar-repo/semantics/artículo | es_ES |
dc.type | info:eu-repo/semantics/publishedVersion | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.type | info:ar-repo/semantics/artículo | es_ES |
dc.type | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.version | Con referato | es_ES |
dc.relation.publisherversion | https://doi.org/10.1530/ERC-18-0337 | es_ES |
dc.contributor.orcid | https://orcid.org/0000-0002-5641-3109 | es_ES |
dc.contributor.orcid | https://orcid.org/0000-0003-3161-7305 | es_ES |
dc.contributor.orcid | https://orcid.org/0000-0002-5732-2604 | es_ES |
dc.contributor.orcid | https://orcid.org/0000-0003-2547-3819 | es_ES |
dc.contributor.orcid | https://orcid.org/0000-0002-2251-7284 | es_ES |
dc.contributor.orcid | https://orcid.org/0000-0003-2952-8485 | es_ES |