Resultats globals: 6 registres trobats en 0.02 segons.
Articles, 5 registres trobats
Documents de recerca, 1 registres trobats
Articles 5 registres trobats  
1.
18 p, 1.0 MB Hepatitis B Virus Variants with Multiple Insertions and/or Deletions in the X Open Reading Frame 3' End : Common Members of Viral Quasispecies in Chronic Hepatitis B Patients / García-García, Selene (Universitat Autònoma de Barcelona. Departament de Bioquímica i de Biologia Molecular) ; Caballero, Andrea (Hospital Universitari Vall d'Hebron) ; Tabernero, David (Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas) ; Cortese, Maria Francesca (Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas) ; Gregori i Font, Josep (Hospital Universitari Vall d'Hebron) ; Rodriguez-Algarra, Francisco (Queen Mary University of London) ; Quer, Josep 1963- (Universitat Autònoma de Barcelona. Departament de Bioquímica i de Biologia Molecular) ; Riveiro Barciela, Mar (Hospital Universitari Vall d'Hebron) ; Homs, Maria (Institut Català de la Salut) ; Rando-Segura, Ariadna (Hospital Universitari Vall d'Hebron) ; Pacín Ruiz, Beatriz (Universitat Autònoma de Barcelona. Departament de Bioquímica i de Biologia Molecular) ; Vila, Marta (Hospital Universitari Vall d'Hebron) ; Ferrer-Costa, Roser (Hospital Universitari Vall d'Hebron) ; Pumarola Suñé, Tomàs (Hospital Universitari Vall d'Hebron) ; Buti, Maria (Hospital Universitari Vall d'Hebron) ; Rodríguez Frías, Francisco (Universitat Autònoma de Barcelona. Departament de Bioquímica i de Biologia Molecular)
Deletions in the 3' end region of the hepatitis B virus (HBV) X open reading frame (HBX) may affect the core promoter (Cp) and have been frequently associated with hepatocellular carcinoma (HCC). The aim of this study was to investigate the presence of variants with deletions and/or insertions (Indels) in this region in the quasispecies of 50 chronic hepatitis B (CHB) patients without HCC. [...]
2022 - 10.3390/biomedicines10051194
Biomedicines, Vol. 10, Issue 5 (May 2022) , art. 1194  
2.
15 p, 703.1 KB Ultra-Deep Pyrosequencing Detects Conserved Genomic Sites and Quantifies Linkage of Drug-Resistant Amino Acid Changes in the Hepatitis B Virus Genome / Rodríguez Frías, Francisco (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Tabernero, David (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Quer, Josep 1963- (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Esteban Mur, Juan Ignacio (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Ortega, Israel (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Domingo, Esteban (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Cubero, María Dolores (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Camós Anguila, Sílvia (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Ferrer, Carles (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Sánchez, Alex (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Jardí, Rosendo (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Schaper, Melanie (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Homs, Maria (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Garcia-Cehic, D. (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Guardia Massó, Jaume (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Esteban, Rafael (Esteban Mur) (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Buti, Maria (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Universitat Autònoma de Barcelona
Selection of amino acid substitutions associated with resistance to nucleos(t)ide-analog (NA) therapy in the hepatitis B virus (HBV) reverse transcriptase (RT) and their combination in a single viral genome complicates treatment of chronic HBV infection and may affect the overlapping surface coding region. [...]
2012 - 10.1371/journal.pone.0037874
PloS one, Vol. 7 (may 2012)  
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13 p, 974.8 KB Clinical Application of Estimating Hepatitis B Virus Quasispecies Complexity by Massive Sequencing : Correlation between Natural Evolution and On-Treatment Evolution / Homs, Maria (Hospital Universitari Vall d'Hebron) ; Caballero, Andrea (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Gregori i Font, Josep (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Tabernero, David (Hospital Universitari Vall d'Hebron) ; Quer, Josep 1963- (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Nieto, Leonardo (Hospital Universitari Vall d'Hebron) ; Esteban, Rafael (Esteban Mur) (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Buti, Maria (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Rodríguez Frías, Francisco (Hospital Universitari Vall d'Hebron) ; Universitat Autònoma de Barcelona
To evaluate HBV quasispecies (QA) complexity in the preCore/Core regions in relation to HBeAg status, and explore QA changes under natural evolution and nucleoside analogue (NUC) treatment. Ultra-deep pyrosequencing of HBV preCore/Core regions in 30 sequential samples (baseline [diagnosis], treatment-free, and treatment-nonresponse) from 10 retrospectively selected patients grouped according to HBeAg status over time: HBeAg+ (N = 4), HBeAg- (N = 2), and fluctuating HBeAg (transient seroreversion/seroconversion pattern) (N = 4). [...]
2014 - 10.1371/journal.pone.0112306
PloS one, Vol. 9 (november 2014)  
4.
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)  
5.
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)  

Documents de recerca 1 registres trobats  
1.
170 p, 13.1 MB Analysis of the natural evolution of the hepatitis b virus quasispecies in the precore/core regions and treatment effects using conventional techniques and ultra-deep pyrosequencing / Homs, Maria ; Rodríguez Frías, Francisco, dir. (Universitat Autònoma de Barcelona. Departament de Bioquímica i de Biologia Molecular) ; Buti, Maria, dir. ; Meseguer Navarro, Anna, tut. (Universitat Autònoma de Barcelona. Departament de Bioquímica i de Biologia Molecular) ; Universitat Autònoma de Barcelona. Departament de Bioquímica i de Biologia Molecular
[Barcelona] : Universitat Autònoma de Barcelona, 2012
3 documents

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