Institut de Recerca Biomèdica (IRB Barcelona)

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Els materials de recerca de la Universitat de Barcelona (UB) a RECERCAT s'obtenen de les col·leccions de Recerca del Dipòsit Digital de la UB.
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Política d’accés obert a la UB


Publicacions en accés obert derivades de l'activitat investigadora del professorat de la Universitat de Barcelona.

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Llista ítems afegits recenment

Expansion of the neocortex and protection from neurodegeneration by in vivo transient reprogramming 

Shen, Yi Ru; Zaballa Larrinaga, Sofía; Bech, Xavier; Sancho Balsells, Anna; Rodriguez Navarro, Irene; Cifuentes Díaz, Carmen; Seyit Bremer, Gönül; Chun, Seung Hee; Straub, Tobias; Abante Llenas, Jordi; Merino Valverde, Iñaki; Richart, Laia; Gupta, Vipul; Li, Hao Yi; Ballasch, Iván; Alcazar, Noelia; Alberch i Vié, Jordi, 1959-; Canals i Coll, Josep M.; Abad, María; Serrano, Manuel; Klein, Rüdiger; Giralt Torroella, Albert; Toro Ruiz, Daniel del (Fecha de publicación: 2026-02-17)

Yamanaka factors (YFs) can reverse some aging features in mammalian tissues, but their effects on the brain remain largely unexplored. Here, we induced YFs in the mouse brain in a controlled spatiotemporal manner in two ...

Nuclear stiffness through lamin A/C overexpression differentially modulates chromosomal instability biomarkers 

Bosch Calvet, Mireia; Pérez Venteo, Alejandro; Cebria Xart, Alex; Garcia Cajide, Marta; Mauvezin, Caroline (Fecha de publicación: 2026-02-03)

Background Information Mitosis is crucial for the faithful transmission of genetic material, and disruptions can result in chromosomal instability (CIN), a hallmark of cancer. CIN is a known driver of tumor heterogeneity ...

Copy number losses of oncogenes and gains of tumor suppressor genes generate common driver mutations 

Besedina, Elizaveta; Supek, Fran (Fecha de publicación: 2026-01-27)

Cancer driver genes can undergo positive selection for various types of genetic alterations, including gain-of-function or loss-of-function mutations and copy number alterations (CNA). We investigated the landscape of ...

DiffInvex identifies evolutionary shifts in driver gene repertoires during tumorigenesis and chemotherapy 

Khalil, Ahmed; Supek, Fran (Fecha de publicación: 2026-01-27)

Somatic cells can transform into tumors due to mutations, and the tumors further evolve towards increased aggressiveness and therapy resistance. We develop DiffInvex, a framework for identifying changes in selection acting ...

Rare but specific: 5-bp composite motifs define SMAD binding in BMP signaling 

Jatzlau, Jerome; Do, Sophie-Nhi; Mees, Rebeca Angelique; Mendez, Paul Lennard; Khan, Rameez Jabeer; Maas, Lukas; Ruiz Sainz, Lidia; Martín Malpartida, Pau; Macías Hernández, María J.; Knaus, Petra (Fecha de publicación: 2025-09-05)

BackgroundReceptor-activated SMADs trimerize with SMAD4 to regulate context-dependent target gene expression. However, the presence of a single SMAD1/5/8 binding motif in cis-regulatory elements alone does not trigger ...

Sex and smoking bias in the selection of somatic mutations in human bladder 

Calvet, Ferriol; Blanco Martínez Illescas, Raquel; Muiños Ballester, Ferran; Tretiakova, Maria; Latorre Esteves, Elena S.; Fredrickson, Jeanne; Andrianova, Maria; Pellegrini, Stefano; Rosendahl Huber, Axel; Ramis Zaldívar, Joan Enric; An, Shuyi Charlotte; Thieme, Elana; Kohrn, Brendan F.; Grau, Miguel L.; González Pérez, Abel; López Bigas, Núria; Risques, Rosa Ana (Fecha de publicación: 2025-10-30)

Men are at higher risk of several cancer types than women1. For bladder cancer the risk is four times higher for reasons that are not clear2. Smoking is also a principal risk factor for several tumour types, including ...

Flexibility in PAM recognition expands DNA targeting in xCas9 

Hossain, Kazi A.; Nierzwicki, Lukasz; Orozco López, Modesto; Czub, Jacek; Palermo, Giulia (Fecha de publicación: 2025-09-05)

xCas9 is an evolved variant of the CRISPR-Cas9 genome editing system, engineered to improve specificity and reduce undesired off-target effects. How xCas9 expands the DNA targeting capability of Cas9 by recognising a series ...

The pseudotorsional space of RNA 

Grille, Leandro; Gallego Perez, Diego; Darré, Leonardo; da Rosa, Gabriela; Battistini, Federica; Orozco López, Modesto; Dans, Pablo D. (Fecha de publicación: 2025-08-25)

The characterization of the conformational landscape of the RNA backbone is rather complex due to the ability of RNA to assume a large variety of conformations. These backbone conformations can be depicted by pseudotorsional ...

The regulation of Net1/Cdc14 by the Hog1 MAPK upon osmostress unravels a new mechanism regulating mitosis 

Jiménez, Javier; Queralt, Ethel; Posas, Francesc; Nadal Clanchet, Eulàlia de (Fecha de publicación: 2025-04-22)

During evolution, cells have developed a plethora of mechanisms to optimize survival in a changing and unpredictable environment. In this regard, they have evolved networks that include environmental sensors, signaling ...

Requirement for epithelial p38α in KRAS-driven lung tumor progression 

Vitos Faleato, Jessica; Real, Sebastian; Gutierrez Prat, Núria; Villanueva Garatachea, Alberto; Llonch, Elisabet; Drosten, Matthias; Barbacid, Mariano; Nebreda, Àngel R. (Fecha de publicación: 2020-04-29)

Malignant transformation entails important changes in the control of cell proliferation through the rewiring of selected signaling pathways. Cancer cells then become very dependent on the proper function of those pathways, ...

Altered dynein axonemal assembly factor 1 expression in C-Boutons in bulbar and spinal cord motor-neurons in sporadic amyotrophic lateral sclerosis 

Andrés Benito, Pol; Povedano, Mònica; Torres, Pascual; Portero-Otin, Manuel; Ferrer, Isidro (Ferrer Abizanda) (Fecha de publicación: 2019-09-20)

Dyneins are major components of microtubules. Dynein assembly is modulated by a heterogeneous group of dynein axonemal assembly factors (DNAAFs). The present study analyzes dynein axonemal assembly factor 1 (DNAAF1) and ...

Brown adipose tissue bioenergetics: a new methodological approach 

Calderón Domínguez, María; Alcalá, Martín; Sebastián Muñoz, David; Zorzano Olarte, Antonio; Viana Arribas, Marta; Serra i Cucurull, Dolors; Herrero Rodríguez, Laura (Fecha de publicación: 2017-06-09)

The rediscovery of brown adipose tissue (BAT) in humans and its capacity to oxidize fat and dissipate energy as heat has put the spotlight on its potential as a therapeutic target in the treatment of several metabolic ...

A direct, efficient method for the preparation of siRNAs containing ribo like North [3.1.0]hexane pseudosugars 

Terrazas Martínez, Montserrat; Aviñó Andrés, Anna; Siddiqui, Maqbool A.; Marquez, Victor E.; Eritja i Casadellà, Ramon (Fecha de publicación: 2021-08-31)

An efficient method for the preparation of siRNAs modified with ribo-like North bicyclo[3.1.0]hexane pseudosugars is described. The combined use of 2'-O-(2-cyanoethoxymethyl) (CEM) and 2'-O-TBDMS protection was successfully ...

Stereospecific SN2@P reactions: Novel access to bulky P-stereogenic ligands 

Orgué Gassol, Sílvia; Flores-Gaspar, Areli; Biosca, Maria; Pàmies, Oscar; Diéguez, Montserrat; Riera i Escalé, Antoni; Verdaguer i Espaulella, Xavier (Fecha de publicación: 2015-12-04)

The stereospecific hydrolysis of bulky aminophosphine boranes is reported for the first time. The resulting phosphinous acid boranes, upon activation, undergo stereospecific nucleophilic substitution reaction at the ...

Bromotryptophans and their incorporation in cyclic and bicyclic privileged peptides 

García Pindado, Júlia; Willemse, Tom; Goss, Rebecca; Maes, Bert U. W.; Giralt Lledó, Ernest; Ballet, Steven; Teixidó Turà, Meritxell (Fecha de publicación: 2018-03-23)

While revisiting biologically active natural peptides, the importance of the tryptophan residue became clear. In this article, the incorporation of this amino acid, brominated at different positions of the indole ring, ...

Highly Enantioselective Iridium-Catalyzed Hydrogenation of Cyclic Enamides 

Salomó i Prat, Ernest; Orgué Gassol, Sílvia; Riera i Escalé, Antoni; Verdaguer i Espaulella, Xavier (Fecha de publicación: 2016-09-20)

The MaxPHOX-Ir catalyst system provided the highest selectivity ever reported for the redn. of cyclic enamides derived from α- and β-tetralones. This result indicates that iridium catalysts are also proficient in reducing ...

Modified siRNAs for the study of the PAZ domain 

Somoza, Álvaro; Terrazas Martínez, Montserrat; Eritja i Casadellà, Ramon (Fecha de publicación: 2021-08-31)

Chemical modifications aimed at stabilizing the interaction between the 3'-end of siRNAs and the PAZ domain of RISC have been tested for their effect on RNAi activity. Such modifications contribute positively to the stability ...

Regulation of androgen receptor activity by transient interactions of its transactivation domain with general transcription regulators 

Mol, Eva de; Fenwick, R. Bryn; Martínez Cristóbal, Paula; Buzón Redorta, Víctor; Szulc, Elzbieta Maria; Frigolé Vivas, Marta; Masín, Mariela; García, Jesús; Bertoncini, Carlos W.; Estébanez Perpiñá, Eva; McEwan, Iain J.; Nebreda, Àngel R.; Salvatella i Giralt, Xavier; Sanza, Claudio di; Hunter, Irene; Brun Heath, Isabelle; Fabritiis, Gianni di (Fecha de publicación: 2019-04-09)

The androgen receptor is a transcription factor that plays a key role in the development of prostate cancer, and its interactions with general transcription regulators are therefore of potential therapeutic interest. The ...

d-Polyarginine Lipopeptides as Intestinal Permeation Enhancers. 

Garcia Garcia, Josep; Fernández Blanco, Álvaro; Teixidó Turà, Meritxell; Sánchez Navarro, Macarena; Giralt Lledó, Ernest (Fecha de publicación: 2018-10-03)

An estimated 285 million people were living with diabetes in 2010, and this number is expected to reach 440 million by 2030. Current treatment of this disease involves the intradermal injection of insulin analogues. Many ...

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