Results overview: Found 4 records in 0.01 seconds.
Articles, 4 records found
Articles 4 records found  
1.
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)  
2.
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)  
3.
4 p, 131.8 KB Baseline hepatitis C virus resistance-associated substitutions present at frequencies lower than 15% may be clinically significant / Perales Viejo, Celia (Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas) ; Chen, Qian (Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas) ; Soria, Maria Eugenia (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Gregori i Font, Josep (Roche Diagnostics SL) ; Garcia-Cehic, D. (Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas) ; Nieto, Leonardo (Hospital Universitari Vall d'Hebron) ; Castells, Lluís (Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas) ; Imaz, Arkaitz (Hospital Universitari de Bellvitge) ; Llorens-Revull, Meritxell (Hospital Universitari Vall d'Hebron) ; Domingo, Esteban (Centro de Biología Molecular Severo Ochoa) ; Buti, Maria (Universitat Autònoma de Barcelona. Departament de Medicina) ; Esteban Mur, Juan Ignacio (Universitat Autònoma de Barcelona. Departament de Medicina) ; Rodríguez Frías, Francisco (Universitat Autònoma de Barcelona. Departament de Medicina) ; Quer, Josep 1963- (Universitat Autònoma de Barcelona. Departament de Medicina)
Controversy is ongoing about whether a minority mutant present at frequencies below 15% may be clinically relevant and should be considered to guide treatment. Resistance-associated substitution (RAS) studies were performed in patients before and at failure of antiviral treatments using Next-generation hepatitis C virus (HCV) sequencing (NGS). [...]
2018 - 10.2147/IDR.S172226
Infection and drug resistance, Vol. 11 (november 2018) , p. 2207-2210  
4.
6 p, 168.2 KB Assessment of a Novel Automatic Real-Time PCR Assay on the Cobas 4800 Analyzer as a Screening Platform for Hepatitis C Virus Genotyping in Clinical Practice : Comparison with Massive Sequencing / Nieto, Leonardo (Hospital Universitari Vall d'Hebron) ; Quer, Josep 1963- (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Ruiz-Ripa, Alicia (Hospital Universitari Vall d'Hebron) ; Tabernero, David (Hospital Universitari Vall d'Hebron) ; González, Carolina (Hospital Universitari Vall d'Hebron) ; Gregori i Font, Josep (Hospital Universitari Vall d'Hebron) ; Vila, Marta (Hospital Universitari Vall d'Hebron) ; Asensio, Miriam (Hospital Universitari Vall d'Hebron) ; Garcia-Cehic, D. (Hospital Universitari Vall d'Hebron) ; Ruiz, Gerardo (Hospital Universitari Vall d'Hebron) ; Chen, Qian (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Ordeig, Laura (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Llorens, Meritxell (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Saez, Montserrat (Hospital Universitari Vall d'Hebron) ; Esteban Mur, Juan Ignacio (Hospital Universitari Vall d'Hebron) ; Esteban, Rafael (Esteban Mur) (Hospital Universitari Vall d'Hebron) ; Buti, Maria (Hospital Universitari Vall d'Hebron) ; Pumarola Suñé, Tomàs (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Rodríguez Frías, Francisco (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Universitat Autònoma de Barcelona
The unequivocal identification of hepatitis C virus (HCV) subtypes 1a/1b and genotypes 2 to 6 is required for optimizing the effectiveness of interferon-free, direct-acting antiviral therapies. We compared the performance of a new real-time HCV genotyping assay used on the Cobas 4800 system (C4800) with that of high-resolution HCV subtyping (HRCS). [...]
2017 - 10.1128/JCM.01960-16
Journal of Clinical Microbiology, Vol. 55 (january 2017) , p. 504-509  

See also: similar author names
1 NIETO, LOURDES LOPEZ
2 Nieto, Lourdes
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