1. Prevalence of Single and Multiple Natural NS3, NS5A and NS5B Resistance-Associated Substitutions in Hepatitis C Virus Genotypes 1-4 in Italy
- Author
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Bertoli, Ada, Sorbo, Maria Chiara, Aragri, Marianna, Lenci, Ilaria, Teti, Elisabetta, Polilli, Ennio, Di Maio, Velia Chiara, Gianserra, Laura, Biliotti, Elisa, Masetti, Chiara, Magni, Carlo F., Babudieri, Sergio, Nicolini, Laura A., Milana, Martina, Cacciatore, Pierluigi, Sarmati, Loredana, Pellicelli, Adriano, Paolucci, Stefania, Craxì, Antonio, Morisco, Filomena, Palitti, Valeria Pace, Siciliano, Massimo, Coppola, Nicola, Iapadre, Nerio, Puoti, Massimo, Rizzardini, Giuliano, Taliani, Gloria, Pasquazzi, Caterina, Andreoni, Massimo, Parruti, Giustino, Angelico, Mario, Perno, Carlo Federico, Cento, Valeria, Ceccherini-Silberstein, Francesca, Andreone, Pietro, Baldanti, Fausto, Barbarini, Giorgio, Boccaccio, Vincenzo, Boglione, Lucio, Bolis, Matteo, Bonora, Stefano, Borghi, Vanni, Brancaccio, Giuseppina, Bruno, Savino, Bruzzone, Bianca, Calvaruso, Vincenza, Caporaso, Nicola, Ciaccio, Antonio, Ciancio, Alessia, Colombatto, Piero, Cozzolongo, Raffaele, D'Ambrosio, Cecilia, D'Ettorre, Gabriella, De Leonardis, Francesco, De Luca, Andrea, Di Biagio, Antonio, Di Perri, Giovanni, Francioso, Simona, Gaeta, Giovanni Battista, Gasbarrini, Antonio, Ghisetti, Valeria, Giorgini, Alessia, Grieco, Antonio, Gubertini, Guido, Gulminetti, Roberto, Lambiase, Lara, Landonio, Simona, Lichtner, Miriam, Maida, Ivana, Marenco, Simona, Marinaro, Letizia, Maserati, Renato, Melis, Michela, Menzaghi, Barbara, Meregalli, Elisa, Micheli, Valeria, Niero, Fosca, Paoloni, Maurizio, Pieri, Alessandro, Rendina, Maria, Romagnoli, Dante, Rossetti, Barbara, Ruggiero, Tina, Sangiovanni, Vincenzo, Starace, Mario, Sticchi, Laura, Tarquini, Pierluigi, Toniutto, Pierluigi, Vullo, Vincenzo, Zazzi, Maurizio, HCV Virology Italian Resistance Network, Bertoli A1, Sorbo MC1, Aragri M1, Lenci I2, Teti E3, Polilli E4, Di Maio VC1, Gianserra L5, Biliotti E6, Masetti C2, Magni CF7, Babudieri S8, Nicolini LA9, Milana M2, Cacciatore P4, Sarmati L3, Pellicelli A10, Paolucci S11, Craxì A, Morisco F13, Palitti VP14, Siciliano M15, Coppola N16, Iapadre N17, Puoti M18, Rizzardini G7, Taliani G6, Pasquazzi C5, Andreoni M3, Parruti G4, Angelico M2, Perno CF19, Cento V20, Ceccherini-Silberstein F1, HCV Virology Italian Resistance Network (VIRONET-C)., Bertoli, Ada, Sorbo, Maria Chiara, Aragri, Marianna, Lenci, Ilaria, Teti, Elisabetta, Polilli, Ennio, Di Maio, Velia Chiara, Gianserra, Laura, Biliotti, Elisa, Masetti, Chiara, Magni, Carlo F., Babudieri, Sergio, Nicolini, Laura A., Milana, Martina, Cacciatore, Pierluigi, Sarmati, Loredana, Pellicelli, Adriano, Paolucci, Stefania, Craxì, Antonio, Morisco, Filomena, Palitti, Valeria Pace, Siciliano, Massimo, Coppola, Nicola, Iapadre, Nerio, Puoti, Massimo, Rizzardini, Giuliano, Taliani, Gloria, Pasquazzi, Caterina, Andreoni, Massimo, Parruti, Giustino, Angelico, Mario, Perno, Carlo Federico, Cento, Valeria, Ceccherini-Silberstein, Francesca, Andreone, Pietro, Baldanti, Fausto, Barbarini, Giorgio, Boccaccio, Vincenzo, Boglione, Lucio, Bolis, Matteo, Bonora, Stefano, Borghi, Vanni, Brancaccio, Giuseppina, Bruno, Savino, Bruzzone, Bianca, Calvaruso, Vincenza, Caporaso, Nicola, Ciaccio, Antonio, Ciancio, Alessia, Colombatto, Piero, Cozzolongo, Raffaele, D'Ambrosio, Cecilia, D'Ettorre, Gabriella, De Leonardis, Francesco, De Luca, Andrea, Di Biagio, Antonio, Di Perri, Giovanni, Francioso, Simona, Gaeta, Giovanni Battista, Gasbarrini, Antonio, Ghisetti, Valeria, Giorgini, Alessia, Grieco, Antonio, Gubertini, Guido, Gulminetti, Roberto, Lambiase, Lara, Landonio, Simona, Lichtner, Miriam, Maida, Ivana, Marenco, Simona, Marinaro, Letizia, Maserati, Renato, Melis, Michela, Menzaghi, Barbara, Meregalli, Elisa, Micheli, Valeria, Niero, Fosca, Paoloni, Maurizio, Pieri, Alessandro, Rendina, Maria, Romagnoli, Dante, Rossetti, Barbara, Ruggiero, Tina, Sangiovanni, Vincenzo, Starace, Mario, Sticchi, Laura, Tarquini, Pierluigi, Toniutto, Pierluigi, Vullo, Vincenzo, Zazzi, Maurizio, Bertoli, A, Sorbo, M, Aragri, M, Lenci, I, Teti, E, Polilli, E, Di Maio, V, Gianserra, L, Biliotti, E, Masetti, C, Magni, C, Babudieri, S, Nicolini, L, Milana, M, Cacciatore, P, Sarmati, L, Pellicelli, A, Paolucci, S, Craxi, A, Morisco, F, Palitti, V, Siciliano, M, Coppola, N, Iapadre, N, Puoti, M, Rizzardini, G, Taliani, G, Pasquazzi, C, Andreoni, M, Parruti, G, Angelico, M, Perno, C, Cento, V, Ceccherini-Silberstein, F, Andreone, P, Baldanti, F, Barbarini, G, Boccaccio, V, Boglione, L, Bolis, M, Bonora, S, Borghi, V, Brancaccio, G, Bruno, S, Bruzzone, B, Calvaruso, V, Caporaso, N, Ciaccio, A, Ciancio, A, Colombatto, P, Cozzolongo, R, D'Ambrosio, C, D'Ettorre, G, De Leonardis, F, De Luca, A, Di Biagio, A, Di Perri, G, Francioso, S, Gaeta, G, Gasbarrini, A, Ghisetti, V, Giorgini, A, Grieco, A, Gubertini, G, Gulminetti, R, Lambiase, L, Landonio, S, Lichtner, M, Maida, I, Marenco, S, Marinaro, L, Maserati, R, Melis, M, Menzaghi, B, Meregalli, E, Micheli, V, Niero, F, Paoloni, M, Pieri, A, Rendina, M, Romagnoli, D, Rossetti, B, Ruggiero, T, Sangiovanni, V, Starace, M, Sticchi, L, Tarquini, P, Toniutto, P, Vullo, V, Zazzi, M, Sorbo, Mc, Di Maio, Vc, Magni, Cf, Nicolini, La, Craxì, A, Palitti, Vp, Perno, Cf, Gaeta, Gb, and Zazzi, M.
- Subjects
Male ,0301 basic medicine ,Sofosbuvir ,Hepacivirus ,Drug Resistance ,lcsh:Medicine ,Viral Nonstructural Proteins ,medicine.disease_cause ,Gastroenterology ,Hepatitis C Virus ,HCV resistance-test ,chemistry.chemical_compound ,0302 clinical medicine ,Genotype ,Prevalence ,Viral ,lcsh:Science ,Multidisciplinary ,biology ,Hepatitis C ,Middle Aged ,Settore MED/07 - Microbiologia e Microbiologia Clinica ,Italy ,Cohort ,HCV ,Female ,030211 gastroenterology & hepatology ,medicine.drug ,Adult ,medicine.medical_specialty ,HCV RAS ,Hepatitis C virus ,03 medical and health sciences ,Internal medicine ,Drug Resistance, Viral ,medicine ,Humans ,Aged ,NS5A ,NS5B ,business.industry ,lcsh:R ,Hepatitis C Virus, HCV resistance-test ,biology.organism_classification ,medicine.disease ,030104 developmental biology ,chemistry ,lcsh:Q ,business - Abstract
Natural resistance-associated substitutions (RASs) are reported with highly variable prevalence across different HCV genotypes (GTs). Frequency of natural RASs in a large Italian real-life cohort of patients infected with the 4 main HCV-GTs was investigated. NS3, NS5A and NS5B sequences were analysed in 1445 HCV-infected DAA-naïve patients. Sanger-sequencing was performed by home-made protocols on 464 GT1a, 585 GT1b, 92 GT2c, 199 GT3a, 16 GT4a and 99 GT4d samples. Overall, 20.7% (301/1455) of patients showed natural RASs, and the prevalence of multiclass-resistance was 7.3% (29/372 patients analysed). NS3-RASs were particularly common in GT1a and GT1b (45.2-10.8%, respectively), mainly due to 80K presence in GT1a (17%). Almost all GTs showed high prevalence of NS5A-RASs (range: 10.2–45.4%), and especially of 93H (5.1%). NS5A-RASs with fold-change >100x were detected in 6.8% GT1a (30H/R-31M-93C/H), 10.3% GT1b (31V-93H), 28.4% GT2c (28C-31M-93H), 8.5% GT3a (30K-93H), 45.5% GT4a (28M-30R-93H) and 3.8% GT4d (28V-30S-93H). Sofosbuvir RAS 282T was never detected, while the 159F and 316N RASs were found in GT1b (13.4–19.1%, respectively). Natural RASs are common in Italian patients infected with HCV-GTs 1–4. High prevalence of clinically-relevant RASs (such as Y93H) supports the appropriateness of HCV resistance-test to properly guide DAA-based therapy.
- Published
- 2018