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Artículos, Encontrados 12 registros
Artículos Encontrados 12 registros  1 - 10siguiente  ir al registro:
1.
16 p, 1.9 MB Cross-sectional evaluation of circulating hepatitis B virus RNA and DNA : Different quasispecies? / García-García, Selene (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Cortese, Maria Francesca (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Tabernero, David (Instituto de Salud Carlos II) ; Gregori i Font, Josep (Instituto de Salud Carlos II) ; Vila, Marta (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Pacín Ruiz, Beatriz (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Quer, Josep 1963- (Instituto de Salud Carlos II) ; Casillas, Rosario (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Castillo-Ribelles, Laura (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Ferrer-Costa, Roser (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Rando-Segura, Ariadna (Hospital Universitari Vall d'Hebron) ; Trejo-Zahínos, Jesús (Hospital Universitari Vall d'Hebron) ; Pumarola Suñé, Tomàs (Hospital Universitari Vall d'Hebron) ; Casis-Saez, Ernesto (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Esteban, Rafael (Instituto de Salud Carlos II) ; Riveiro Barciela, Mar (Instituto de Salud Carlos II) ; Buti, Maria (Instituto de Salud Carlos II) ; Rodríguez Frías, Francisco (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Universitat Autònoma de Barcelona
Different forms of pregenomic and other hepatitis B virus (HBV) RNA have been detected in patients' sera. These circulating HBV-RNAs may be useful for monitoring covalently closed circular DNA activity, and predicting hepatitis B e-antigen seroconversion or viral rebound after nucleos(t)ide analog cessation. [...]
2021 - 10.3748/wjg.v27.i41.7144
World Journal of Gastroenterology, Vol. 27 (november 2021) , p. 7144-7158  
2.
9 p, 1.4 MB ACE Score Identifies HBeAg-negative Inactive Carriers at a Single-point Evaluation, Regardless of HBV Genotype / Roade, Luisa (Universitat Autònoma de Barcelona. Departament de Bioquímica i de Biologia Molecular) ; Riveiro Barciela, Mar (Universitat Autònoma de Barcelona. Departament de Bioquímica i de Biologia Molecular) ; Palom, Adriana (Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas) ; Rodríguez Frías, Francisco (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Bes, Marta (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Rando-Segura, Ariadna (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Salcedo, Maria-Teresa (Hospital Universitari Vall d'Hebron) ; Casillas, Rosario (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Vargas-Accarino, Elena (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Tabernero, David (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Sauleda, Silvia (Banc de Sang i Teixits (Barcelona, Catalunya)) ; Esteban, Rafael (Hospital Universitari Vall d'Hebron) ; Buti, Maria (Hospital Universitari Vall d'Hebron)
Hepatitis B virus (HBV) biomarkers have been used for a better categorization of patients, even though the lack of simple algorithms and the impact of genotypes limit their application. Our aim was to assess the usefulness of noninvasive markers for the identification of HBV inactive carriers (ICs) in a single-point evaluation and to design a predictive model for their identification. [...]
2022 - 10.14218/JCTH.2022.00068
Journal of Clinical and Translational Hepatology, Vol. 10 (april 2022) , p. 1068-1076  
3.
13 p, 1.5 MB Inspecting the Ribozyme Region of Hepatitis Delta Virus Genotype 1 : Conservation and Variability / Pacín Ruiz, Beatriz (Hospital Universitari Vall d'Hebron) ; Cortese, Maria Francesca (Hospital Universitari Vall d'Hebron) ; Tabernero, David (Hospital Universitari Vall d'Hebron) ; Sopena, Sara (Hospital Universitari Vall d'Hebron) ; Gregori i Font, Josep (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; García-García, Selene (Hospital Universitari Vall d'Hebron) ; Casillas, Rosario (Hospital Universitari Vall d'Hebron) ; Najarro-Centeno, Adrián (Hospital Universitari Vall d'Hebron) ; Aldama, Unai (Hospital Universitari Vall d'Hebron) ; Palom, Adriana (Hospital Universitari Vall d'Hebron) ; Rando-Segura, Ariadna (Hospital Universitari Vall d'Hebron) ; Galán, Anna (Hospital Universitari Vall d'Hebron) ; Vila, Marta (Hospital Universitari Vall d'Hebron) ; Riveiro Barciela, Mar (Hospital Universitari Vall d'Hebron) ; Quer, Josep 1963- (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; González-Aseguinolaza, Gloria (Univerdad de Pamplona) ; Buti, Maria (Hospital Universitari Vall d'Hebron) ; Rodríguez Frías, Francisco (Universitat Autònoma de Barcelona. Departament de Bioquímica i de Biologia Molecular)
The hepatitis delta virus (HDV) genome has an autocatalytic region called the ribozyme, which is essential for viral replication. The aim of this study was to use next-generation sequencing (NGS) to analyze the ribozyme quasispecies (QS) in order to study its evolution and identify highly conserved regions potentially suitable for a gene-silencing strategy. [...]
2022 - 10.3390/v14020215
Viruses, Vol. 14 (january 2022)  
4.
13 p, 470.0 KB Ultra-Deep Pyrosequencing (UDPS) Data Treatment to Study Amplicon HCV Minor Variants / Gregori i Font, Josep (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Esteban Mur, Juan Ignacio (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Cubero, María Dolores (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Garcia-Cehic, D. (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Perales Viejo, Celia (Centro de Biología Molecular Severo Ochoa) ; Casillas, Rosario (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Alvarez-Tejado, Miguel (Roche Diagnostics, Sant Cugat del Vallès) ; Rodríguez Frías, Francisco (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Guardia Massó, Jaume (Universitat Autònoma de Barcelona) ; Domingo, Esteban (Centro de Biología Molecular Severo Ochoa) ; Quer, Josep 1963- (Universitat Autònoma de Barcelona)
We have investigated the reliability and reproducibility of HCV viral quasispecies quantification by ultra-deep pyrosequencing (UDPS) methods. Our study has been divided in two parts. First of all, by UDPS sequencing of clone mixes samples we have established the global noise level of UDPS and fine tuned a data treatment workflow previously optimized for HBV sequence analysis. [...]
2013 - 10.1371/journal.pone.0083361
PloS one, Vol. 8 (december 2013)  
5.
15 p, 563.3 KB Complex Genotype Mixtures Analyzed by Deep Sequencing in Two Different Regions of Hepatitis B Virus / Caballero, Andrea (Hospital Universitari Vall d'Hebron) ; Gregori i Font, Josep (Roche Diagnostics S.L., Sant Cugat del Vallès) ; Homs, Maria (Hospital Universitari Vall d'Hebron) ; Tabernero, David (Hospital Universitari Vall d'Hebron) ; González, Carolina (Hospital Universitari Vall d'Hebron) ; Quer, Josep 1963- (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Blasi, Maria (Hospital Universitari Vall d'Hebron) ; Casillas, Rosario (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Nieto, Leonardo (Hospital Universitari Vall d'Hebron) ; Riveiro Barciela, Mar (Hospital Universitari Vall d'Hebron) ; Esteban, Rafael (Esteban Mur) (Hospital Universitari Vall d'Hebron) ; Buti, Maria (Hospital Universitari Vall d'Hebron) ; Rodríguez Frías, Francisco (Hospital Universitari Vall d'Hebron) ; Universitat Autònoma de Barcelona. Departament de Medicina
This study assesses the presence and outcome of genotype mixtures in the polymerase/surface and X/preCore regions of the HBV genome in patients with chronic hepatitis B virus (HBV) infection. Thirty samples from ten chronic hepatitis B patients were included. [...]
2015 - 10.1371/journal.pone.0144816
PloS one, Vol. 10 (december 2015)  
6.
14 p, 618.6 KB Evidence of an Exponential Decay Pattern of the Hepatitis Delta Virus Evolution Rate and Fluctuations in Quasispecies Complexity in Long-Term Studies of Chronic Delta Infection / Homs, Maria (Hospital Universitari Vall d'Hebron) ; Rodríguez Frías, Francisco (Hospital Universitari Vall d'Hebron) ; Gregori i Font, Josep (Roche Diagnostics SL (Sant Cugat del Vallès, Barcelona)) ; Ruiz, Alicia (Hospital Universitari Vall d'Hebron) ; Reimundo, Pilar (Hospital Universitari Vall d'Hebron) ; Casillas, Rosario (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Tabernero, David (Hospital Universitari Vall d'Hebron) ; Godoy, Cristina (Hospital Universitari Vall d'Hebron) ; Barakat, Salma (National Centre for Gastrointestinal and Liver disease, Khartoum, Sudan) ; Quer, Josep 1963- (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Riveiro Barciela, Mar (Hospital Universitari Vall d'Hebron) ; Roggendorf, Michael (Technische Universität München) ; Esteban, Rafael (Esteban Mur) (Hospital Universitari Vall d'Hebron) ; Buti, Maria (Hospital Universitari Vall d'Hebron) ; Universitat Autònoma de Barcelona
Chronic HDV infection can cause a severe form of viral hepatitis for which there is no specific treatment. Characterization of the hepatitis B or C viral quasispecies has provided insight into treatment failure and disease recurrence following liver transplantation, has proven useful to understand hepatitis B e antigen seroconversion, and has helped to predict whether hepatitis C infection will resolve or become chronic. [...]
2016 - 10.1371/journal.pone.0158557
PloS one, Vol. 11 (june 2016)  
7.
11 p, 1.1 MB Sophisticated viral quasispecies with a genotype-related pattern of mutations in the hepatitis B X gene of HBeAg-ve chronically infected patients / Cortese, Maria Francesca (Hospital Universitari Vall d'Hebron) ; González, Carolina (Hospital Universitari Vall d'Hebron) ; Gregori i Font, Josep (Roche Diagnostics (Sant Cugat)) ; Casillas, Rosario (Hospital Universitari Vall d'Hebron) ; Carioti, Luca (University of Rome Tor Vergata) ; Guerrero Murillo, Mercedes (Hospital Universitari Vall d'Hebron) ; Riveiro Barciela, Mar (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Godoy, Cristina (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Sopena, Sara (Hospital Universitari Vall d'Hebron) ; Yll, Marçal (Hospital Universitari Vall d'Hebron) ; Quer, Josep 1963- (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Rando-Segura, Ariadna (Hospital Universitari Vall d'Hebron) ; Lopez-Martinez, Rosa (Hospital Universitari Vall d'Hebron) ; Pacín Ruiz, Beatriz (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; García-García, Selene (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Esteban, Rafael (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Tabernero, David (Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas) ; Buti, Maria (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Rodríguez Frías, Francisco (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Universitat Autònoma de Barcelona
Patients with HBeAg-negative chronic infection (CI) have not been extensively studied because of low viremia. The HBx protein, encoded by HBX, has a key role in viral replication. Here, we analyzed the viral quasispecies at the 5' end of HBX in CI patients and compared it with that of patients in other clinical stages. [...]
2021 - 10.1038/s41598-021-83762-4
Scientific reports, Vol. 11 (february 2021)  
8.
16 p, 3.5 MB Conservation and variability of hepatitis B core at different chronic hepatitis stages / Yll, Marçal (Hospital Universitari Vall d'Hebron) ; Cortese, Maria Francesca (Hospital Universitari Vall d'Hebron) ; Guerrero Murillo, Mercedes (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Orriols, Gerard (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Gregori i Font, Josep (Hospital Universitari Vall d'Hebron) ; Casillas, Rosario (Hospital Universitari Vall d'Hebron) ; González, Carolina (Hospital Universitari Vall d'Hebron) ; Sopena, Sara (Hospital Universitari Vall d'Hebron) ; Godoy, Cristina (Hospital Universitari Vall d'Hebron) ; Vila, Marta (Hospital Universitari Vall d'Hebron) ; Tabernero, David (Hospital Universitari Vall d'Hebron) ; Quer, Josep 1963- (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Rando-Segura, Ariadna (Hospital Universitari Vall d'Hebron) ; Lopez Martinez, Rosa (Hospital Universitari Vall d'Hebron) ; Esteban, Rafael (Esteban Mur) (Hospital Universitari Vall d'Hebron) ; Riveiro Barciela, Mar (Hospital Universitari Vall d'Hebron) ; Buti, Maria (Hospital Universitari Vall d'Hebron) ; Rodríguez Frías, Francisco (Hospital Universitari Vall d'Hebron) ; Universitat Autònoma de Barcelona
Since it is currently not possible to eradicate hepatitis B virus (HBV) infection with existing treatments, research continues to uncover new therapeutic strategies. HBV core protein, encoded by the HBV core gene (HBC), intervenes in both structural and functional processes, and is a key protein in the HBV life cycle. [...]
2020 - 10.3748/wjg.v26.i20.2584
World Journal of Gastroenterology, Vol. 26 (may 2020) , p. 2584-2598  
9.
18 p, 2.2 MB Characterization of hepatitis B virus X gene quasispecies complexity in mono-infection and hepatitis delta virus superinfection / Godoy, Cristina (Hospital Universitari Vall d'Hebron) ; Tabernero, David (Hospital Universitari Vall d'Hebron) ; Sopena, Sara (Hospital Universitari Vall d'Hebron) ; Gregori i Font, Josep (Roche Diagnostics SL) ; Cortese, Maria Francesca (Hospital Universitari Vall d'Hebron) ; González, Carolina (Hospital Universitari Vall d'Hebron) ; Casillas, Rosario (Hospital Universitari Vall d'Hebron) ; Yll, Marçal (Hospital Universitari Vall d'Hebron) ; Rando-Segura, Ariadna (Hospital Universitari Vall d'Hebron) ; Lopez Martinez, Rosa (Hospital Universitari Vall d'Hebron) ; Quer, Josep 1963- (Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas) ; González-Aseguinolaza, Gloria (Clínica Universidad de Navarra. Centro de Investigación Médica Aplicada) ; Esteban, Rafael (Esteban Mur) (Hospital Universitari Vall d'Hebron) ; Riveiro Barciela, Mar (Hospital Universitari Vall d'Hebron) ; Buti, Maria (Hospital Universitari Vall d'Hebron) ; Rodríguez Frías, Francisco (Hospital Universitari Vall d'Hebron) ; Universitat Autònoma de Barcelona
BACKGROUND Hepatitis delta virus (HDV) seems to strongly suppress hepatitis B virus (HBV) replication, although little is known about the mechanism of this interaction. Both these viruses show a dynamic distribution of mutants, resulting in viral quasispecies. [...]
2019 - 10.3748/wjg.v25.i13.1566
World Journal of Gastroenterology, Vol. 25 (april 2019) , p. 1566-1579  
10.
14 p, 3.2 MB Mutations in Hepatitis D Virus Allow It to Escape Detection by CD8 + T Cells and Evolve at the Population Level / Karimzadeh, Hadi (Department of Internal Medicine II, University Hospital Munich-Grosshadern, Munich, Germany) ; Kiraithe, Muthamia M. (Department of Medicine II, University Hospital Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany) ; Oberhardt, Valerie (Faculty of Biology, University of Freiburg, Freiburg, Germany) ; Salimi Alizei, Elahe (Faculty of Chemistry and Pharmacy, University of Freiburg, Freiburg, Germany) ; Bockmann, Jan (German Center for Infection Research (DZIF), Sites Hamburg-Lübeck-Borstel-Riems, Hannover-Braunschweig and Munich, Germany) ; Schulze zur Wiesch, Julian (German Center for Infection Research (DZIF), Sites Hamburg-Lübeck-Borstel-Riems, Hannover-Braunschweig and Munich, Germany) ; Budeus, Bettina (Department of Bioinformatics, University of Duisburg-Essen, Essen, Germany) ; Hoffmann, Daniel (Department of Bioinformatics, University of Duisburg-Essen, Essen, Germany) ; Wedemeyer, Heiner (University Hospital Essen (Alemanya)) ; Cornberg, Markus (Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany) ; Krawczyk, Adalbert (Department of Infectious Diseases, University Hospital of Essen, University of Duisburg-Essen, Essen, Germany) ; Rashidi-Alavijeh, Jassin (University Hospital Essen (Alemanya)) ; Rodríguez Frías, Francisco (Hospital Universitari Vall d'Hebron) ; Casillas, Rosario (Hospital Universitari Vall d'Hebron) ; Buti, Maria (Hospital Universitari Vall d'Hebron) ; Smedile, Antonina (Department of Medical Sciences, University of Turin, Turin, Italy) ; Alavian, Seyed Moayed (Baqiyatallah Research Center for Gastroenterology and Liver Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran) ; Heinold, Andreas (University Hospital Essen (Alemanya)) ; Emmerich, Florian (Institute for Transfusion Medicine and Gene Therapy, University Hospital Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany) ; Panning, Marcus (Institute of Virology, University Hospital Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany) ; Gostick, Emma (Division of Infection and Immunity, Cardiff University School of Medicine, Cardiff, United Kingdom) ; Price, David A. (Division of Infection and Immunity, Cardiff University School of Medicine, Cardiff, United Kingdom) ; Timm, Jörg (Institute of Virology, Heinrich-Heine-University, University Hospital, Duesseldorf, Germany) ; Hofmann, Maike (Department of Medicine II, University Hospital Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany) ; Raziorrouh, Bijan (Department of Internal Medicine II, University Hospital Munich-Grosshadern, Munich, Germany) ; Thimme, Robert (Department of Medicine II, University Hospital Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany) ; Protzer, Ulrike (German Center for Infection Research (DZIF), Sites Hamburg-Lübeck-Borstel-Riems, Hannover-Braunschweig and Munich, Germany) ; Roggendorf, Michael (German Center for Infection Research (DZIF), Sites Hamburg-Lübeck-Borstel-Riems, Hannover-Braunschweig and Munich, Germany) ; Neumann-Haefelin, Christoph (Department of Medicine II, University Hospital Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany) ; Universitat Autònoma de Barcelona
Hepatitis D virus (HDV) superinfection in patients with hepatitis B virus (HBV) is associated with rapid progression to liver cirrhosis and hepatocellular carcinoma. Treatment options are limited, and no vaccine is available. [...]
2019 - 10.1053/j.gastro.2019.02.003
Gastroenterology, Vol. 156 (may 2019) , p. 1820-1833  

Artículos : Encontrados 12 registros   1 - 10siguiente  ir al registro:
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