Browsing by Author "Espinosa Blay, Lluís"

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  • Robles-Valero, Javier; Lorenzo-Martín, L. Francisco; Menacho Márquez, Mauricio; Fernández-Pisonero, I.; Abad, A.; Camós, Mireia; Toribio, M.L.; 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; 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 Montañá, Carlota; 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; 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 Mazelón, Lara; 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, Ignasi; 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 ...
  • 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, Veronica; 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 ...
  • Margalef González, Pol, 1985- (Universitat Pompeu Fabra, 2014-02-17)
    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 cèl·∙lules tumorals tenen una ...
  • 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 Montañá, Carlota; 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. ...
  • 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 ...
  • López Arribillaga, Erika; Rodilla, Verónica; Colomer Montañá, Carlota; Vert, Anna; Shelton, Amy; Cheng, Jason H.; Yan, Bing; González Pérez, Abel; Junttila, Melissa R.; Iglesias Coma, Mar; Torres, Ferran; Albanell Mestres, Joan; Villanueva, Alberto; Bigas Salvans, Anna; Siebel, Christian W.; Espinosa Blay, Lluís (Nature Research, 2018)
    Delta ligands regulate Notch signaling in normal intestinal stem cells, while Jagged1 activates Notch in intestinal adenomas carrying active β-catenin. We used the ApcMin/+ mouse model, tumor spheroid cultures, and ...
  • Colomer Montañá, Carlota; Marruecos, Laura; Vert, Anna; Bigas Salvans, Anna; Espinosa Blay, Lluís (MDPI, 2017)
    Nuclear factor-κB (NF-κB) has been long considered a master regulator of inflammation and immune responses. Additionally, aberrant NF-κB signaling has been linked with carcinogenesis in many types of cancer. In recent ...
  • Guiu Sagarra, Jordi, 1983- (Universitat Pompeu Fabra, 2012-11-26)
    La regió de l’aorta-gonada-mesonefros (AGM) és el primer nínxol de les cèl·lules mare hematopoètiques. Està descrit que la via de Notch és necessària per generar artèries i cèl·lules mare hematopoètiques. Les cèl·lules ...
  • Gama-Norton, Leonor; Ferrando Martorell, Eva, 1986-; Ruiz Herguido, Cristina; Liu, Zenhy; Guiu Sagarra, Jordi, 1983-; Islam, Abul, 1978-; Lee, Sung-Uk; Yan, Minhong; Guidos, Cynthia J.; López Bigas, Núria; Maeda, Takahiro; Espinosa Blay, Lluís; Kopan, Raphael; Bigas Salvans, Anna (Nature Publishing Group, 2015)
    Acquisition of the arterial and haemogenic endothelium fates concurrently occur in the aorta-gonad-mesonephros (AGM) region prior to haematopoietic stem cell (HSC) generation. The arterial programme depends on Dll4 and the ...
  • López Arribillaga, Erika, 1986- (Universitat Pompeu Fabra, 2016-06-17)
    Wnt/β-catenin and Notch signalling cooperate in regulating the transcription of various genes specifically in the small intestinal stem and progenitor cell compartments. We characterized Bmi1 functionally in this context ...
  • Gallardo Hernández, Fernando; Bertran, Joan; López Arribillaga, Erika; González, Jessica; Menéndez, Silvia; Sánchez Güerri, Ignacio; Colomo Saperas, Luis Alberto; Iglesias Coma, Mar; Garrido, Marta; Santamaría-Babí, Luis Francisco; Torres, Ferran; Pujol Vallverdú, Ramon Maria; Bigas Salvans, Anna; Espinosa Blay, Lluís (Nature Publishing Group, 2018)
  • p27
    Pippa, Raffaella; Espinosa Blay, Lluís; Gundem, Gunes; Garcia Escudero, Ramon; Dominguez, Ana; Orlando, S.; Gallastegui, E.; Saiz, Cristina; Besson, Arnaud; Pujol, Maria Jesus; López Bigas, Núria; Paramio, Jesus M.; Bigas Salvans, Anna; Bachs Valldeneu, Oriol (Universitat Pompeu Fabra, 2011-12)
    The cyclin-cdk (cyclin-dependent kinase) inhibitor p27(Kip1) (p27) has a crucial negative role on cell cycle progression. In addition to its classical role as a cyclin-cdk inhibitor, it also performs cyclin-cdk-independent ...