Browsing by Author "Espinosa Blay, Lluís"

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  • Liaño-Pons, Judit; Lafita-Navarro, M. Carmen; García-Gaipo, Lorena; Colomer Montañà, Carlota, 1990-; Rodríguez, Javier; von Kriegsheim, Alex; Hurlin, Peter J.; Ourique, Fabiana; Delgado, M. Dolores; Bigas Salvans, Anna; Espinosa Blay, Lluís; León, Javier (Nature Research, 2021)
    MNT, a transcription factor of the MXD family, is an important modulator of the oncoprotein MYC. Both MNT and MYC are basic-helix-loop-helix proteins that heterodimerize with MAX in a mutually exclusive manner, and bind ...
  • Robles-Valero, Javier; Lorenzo-Martín, L. Francisco; Menacho Márquez, Mauricio; Fernández-Pisonero, Isabel; Abad, Antonio; Camós, Mireia; Toribio, María Luisa; Espinosa Blay, Lluís; Bigas Salvans, Anna; Bustelo, Xose R. (Elsevier, 2017)
    Rho guanine exchange factors (GEFs), the enzymes that stimulate Rho GTPases, are deemed as potential therapeutic targets owing to their protumorigenic functions. However, the understanding of the spectrum of their ...
  • Margalef González, Pol, 1985-; Fernández Majada, Vanessa; Villanueva, Alberto; Garcia Carbonell, Ricard; Iglesias Coma, Mar; López Muñoz, Laura; Martínez Iniesta, María; Villà i Freixa, Jordi; Mulero, María Carmen; Andreu García, Montserrat; Torres, Ferran; Mayo, Marty W.; Bigas Salvans, Anna; Espinosa Blay, Lluís (Elsevier, 2012)
    Nuclear IKKα regulates gene transcription by phosphorylating specific substrates and has been linked to cancer progression and metastasis. However, the mechanistic connection between tumorigenesis and IKKα activity remains ...
  • López Arribillaga, Erika, 1986-; Yan, Bing; Lobo-Jarne, Teresa; Guillén, Yolanda; Menéndez, Silvia; Andreu García, Montserrat; Bigas Salvans, Anna; Iglesias Coma, Mar; Espinosa Blay, Lluís (MDPI, 2021)
    Background: previous studies in mice indicated that Paneth cells and c-Kit-positive goblet cells represent the stem cell niche of the small intestine and colon, respectively, partly by supporting Wnt and Notch activation. ...
  • Brena, David; Bertran, Joan; Porta de la Riva, Montserrat; Guillén, Yolanda; Cornes Maragliano, Eric, 1987-; Kukhtar, Dmytro; Campos-Vicens, Lluís; Fernández, Lierni; Pecharroman, Irene; García-López, Albert; Islam, Abul, 1978-; Marruecos, Laura; Bigas Salvans, Anna; Cerón Madrigal, Julián; Espinosa Blay, Lluís (Nature Research, 2020)
    Mammalian IκB proteins (IκBs) exert their main function as negative regulators of NF-κB, a central signaling pathway controlling immunity and inflammation. An alternative chromatin role for IκBs has been shown to affect ...
  • López Arribillaga, Erika, 1986-; Rodilla, Verónica; Pellegrinet, Luca; Guiu Sagarra, Jordi, 1983-; Iglesias Coma, Mar; Roman, Angel Carlos; Gutarra, Susana; González, Susana; Muñoz Cánoves, Pura, 1962-; Fernández-Salguero, Pedro; Radtke, Freddy; Bigas Salvans, Anna; Espinosa Blay, Lluís (Company of Biologists, 2015)
    Genetic data indicate that abrogation of Notch-Rbpj or Wnt-β-catenin pathways results in the loss of the intestinal stem cells (ISCs). However, whether the effect of Notch is direct or due to the aberrant differentiation ...
  • Margalef González, Pol, 1985-; Colomer Montañà, Carlota, 1990-; Villanueva, Alberto; Montagut Viladot, Clara; Iglesias Coma, Mar; Bellosillo Paricio, Beatriz; Salazar, Ramón; Martínez Iniesta, María; Bigas Salvans, Anna; Espinosa Blay, Lluís (American Association for the Advancement of Science, 2015)
    KRAS mutations contribute to cell proliferation and survival in numerous cancers, including colorectal cancers (CRC). One pathway through which mutant KRAS acts is an inflammatory pathway that involves the kinase IKK and ...
  • Mulero, María Carmen; Islam, Abul, 1978-; Margalef González, Pol, 1985-; Pecoraro, Matteo, 1984-; Toll Abelló, Agustín; Drechsel, Nils Jan Daniel, 1980-; Charneco, Cristina; Bellora Pereyra, Nicolás; Gallardo Hernández, Fernando; López Arribillaga, Erika, 1986-; Asensio Juan, Elena; Rodilla, Verónica; González, Jessica; Iglesias Coma, Mar; Albà Soler, Mar; Di Croce, Luciano; Villà i Freixa, Jordi; López Bigas, Núria; Keyes, William M., 1973-; Bigas Salvans, Anna; Espinosa Blay, Lluís (Elsevier, 2013)
    IκB proteins are the primary inhibitors of NF-κB. Here, we demonstrate that sumoylated and phosphorylated IκBα accumulates in the nucleus of keratinocytes and interacts with histones H2A and H4 at the regulatory region of ...
  • Gallardo Hernández, Fernando; Padrón, Andreina; Garcia Carbonell, Ricard; Rius, Cristina; González-Pérez, Abel; Arumí, Montserrat; Iglesias Coma, Mar; Nonell Mazelon, Lara, 1972-; Bellosillo Paricio, Beatriz; Segura Tigell, Sonia; Pujol Vallverdú, Ramon Maria; López Bigas, Núria; Bertran, Joan; Bigas Salvans, Anna; Espinosa Blay, Lluís (Impact Journal, 2015)
    Invasive malignant melanoma (MM) is an aggressive tumor with no curative therapy available in advanced stages. Nuclear corepressor (NCoR) is an essential regulator of gene transcription, and its function has been found ...
  • Dalmases Massegú, Alba, 1982-; González González, Irene; Menendez Romero, Silvia; Arpí Llucià, Oriol; Corominas Torres, Josep Maria; Servitja Tormo, Sonia; Tusquets Trias de Bes, Ignacio; Chamizo, Cristina; Rincón, Raúl; Espinosa Blay, Lluís; Bigas Salvans, Anna; Eroles, Pilar; Furriol, Jessica; Lluch, Ana; Rovira Guerín, Ana; Albanell Mestres, Joan; Rojo, Federico (Impact Journals, 2014)
    NF-кB has been linked to doxorubicin resistance in breast cancer patients. NF-кB nuclear translocation and DNA binding in doxorubicin treated-breast cancer cells have been extensively examined; however its functional ...
  • Marruecos, Laura; Bertran, Joan; Álvarez-Villanueva, Daniel; Mulero, María Carmen; Guillén, Yolanda; Palma, Luis G.; Floor, Martin; Vert, Anna; Arce-Gallego, Sara; Pecharroman, Irene; Batlle Masó, Laura, 1993-; Villà i Freixa, Jordi; Ghosh, Gourisankar; Bigas Salvans, Anna; Espinosa Blay, Lluís (Wiley, 2021)
    IκBs exert principal functions as cytoplasmic inhibitors of NF-kB transcription factors. Additional roles for IκB homologues have been described, including chromatin association and transcriptional regulation. Phosphorylated ...
  • Espinosa Blay, Lluís (Taylor & Francis, 2016)
    Mutations in KRAS and BRAF genes are commonly found in several types of cancer associated with poor prognosis and therapy resistance. We have identified phosphorylated p45-IKKα as an essential mediator of BRAF-induced ...
  • Bueno, Clara; Calero-Nieto, Fernando J.; Wang, Xiaonan; Valdés-Mas, Rafael; Gutiérrez-Agüera, Francisco; Roca-Ho, Heleia; Ayllon, Verónica; Real, Pedro J.; Arambilet, David; Espinosa Blay, Lluís; Torres-Ruiz, Raul; Agraz-Doblas, Antonio; Varela, Ignacio; de Boer, Jasper; Bigas Salvans, Anna; Gottgens, Bertie; Marschalek, Rolf; Menéndez, Pablo (Ferrata Storti Foundation, 2019)
    The t(4;11)(q21;q23) translocation is associated with high-risk infant pro-B-cell acute lymphoblastic leukemia and arises prenatally during embryonic/fetal hematopoiesis. The developmental/pathogenic contribution of the ...
  • García-Colmenero, Lidia; González Miranda, Jessica; Sandoval, Juan; Guillén, Yolanda; Diaz-Lagares, Angel; Andrades, Evelyn; Iglesias, Arnau; Nonell Mazelon, Lara, 1972-; Pujol Vallverdú, Ramon Maria; Bigas Salvans, Anna; Espinosa Blay, Lluís; Gallardo Hernández, Fernando (MDPI, 2020)
    Increasing evidence supports a potential role for STAT3 as a tumor driver in cutaneous T-cell lymphomas (CTCL). The mechanisms leading to STAT3 activation are not fully understood; however, we recently found that miR-124, ...
  • Bredel, Markus; Espinosa Blay, Lluís; Solé, Laura; Chakravarti, Arnab (Elsevier, 2023)
    Genetic alterations help predict the clinical behavior of diffuse gliomas, but some variability remains uncorrelated. Here, we demonstrate that haploinsufficient deletions of chromatin-bound tumor suppressor NFKB inhibitor ...
  • Margalef González, Pol, 1985- (Universitat Pompeu Fabra, 2015-07-15)
    L’IKKα nuclear regula la transcripció gènica i ha estat relacionada amb la progressió del càncer i la metàstasis, tot i que la connexió mecanística no s’entén massa bé. Hem observat que les ...
  • Islam, Abul, 1978-; Guiu Sagarra, Jordi, 1983-; Bergen, Dylan J.M.; de Pater, Emma; Ayllon, Verónica; Gama-Norton, Leonor; Ruiz Herguido, Cristina; González, Jessica; López Bigas, Núria; Menéndez, Pablo; Dzierzak, Elaine; Espinosa Blay, Lluís; Bigas Salvans, Anna (Rockefeller University Press, 2014)
    Hematopoietic stem cell (HSC) specification occurs in the embryonic aorta and requires Notch activation; however, most of the Notch-regulated elements controlling de novo HSC generation are still unknown. Here, we identify ...
  • Colomer Montañà, Carlota, 1990-; Margalef González, Pol, 1985-; González, Jessica; Vert, Anna; Bigas Salvans, Anna; Espinosa Blay, Lluís (Nature Publishing Group, 2018)
    BACKGROUND: Colorectal cancer is a common cause of death in developed countries. Progression from adenoma to invasive carcinoma requires accumulation of mutations starting with the Adenomatous Polyposis Coli (Apc) gene. ...
  • Colomer Montañà, Carlota, 1990-; Margalef González, Pol, 1985-; Villanueva, Alberto; Vert, Anna; Pecharroman, Irene; Solé, Laura; González-Farré, Mónica; Alonso, Josune; Montagut Viladot, Clara; Martínez Iniesta, María; Bertran, Joan; Borràs, Eva; Iglesias, Mar; Sabidó Aguadé, Eduard, 1981-; Bigas Salvans, Anna; Boulton, Simon J.; Espinosa Blay, Lluís (Elsevier, 2019)
    Phosphorylated IKKalpha(p45) is a nuclear active form of the IKKalpha kinase that is induced by the MAP kinases BRAF and TAK1 and promotes tumor growth independent of canonical NF-¿B signaling. Insights into the sources ...
  • Inglés Esteve, Julia; Morales, Mònica; Dalmases Massegú, Alba, 1982-; Garcia Carbonell, Ricard; Jené i Sanz, Alba, 1984-; López Bigas, Núria; Iglesias Coma, Mar; Ruiz Herguido, Cristina; Rovira Guerín, Ana; Rojo, Federico; Albanell Mestres, Joan; Gomis, Roger R.; Bigas Salvans, Anna; Espinosa Blay, Lluís (Public Library of Science (PLoS), 2012)
    14-3-3σ is frequently lost in human breast cancers by genetic deletion or promoter methylation. We have now investigated the involvement of 14-3-3σ in the termination of NF-κB signal in mammary cells and its putative role ...

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