Research Topics
| Enea SpadaSummaryAffiliation: Istituto Superiore di Sanit Country: Italy Publications
| Collaborators
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Detail Information
Publications
Positive selection of cytotoxic T lymphocyte escape variants during acute hepatitis C virus infectionSilvia Guglietta
Department of Cellular and Developmental Biology University of Rome La Sapienza, Rome, Italy
Eur J Immunol 35:2627-37. 2005..These results support the view that acute-phase CD8+ T cell responses exert a biologically relevant pressure on HCV replication and that viruses escaping this host response could have a significant survival advantage...
An outbreak of hepatitis A virus infection with a high case-fatality rate among injecting drug usersEnea Spada
Istituto Superiore di Sanita, National Center of Epidemiology, Surveillance and Health Promotion, Clinical Epidemiology Unit, Viale Regina Elena 299, 00161 Rome, Italy
J Hepatol 43:958-64. 2005..We attempted a thorough evaluation of the outbreak, including epidemiological, clinical and virological analyses...
Changing epidemiology of parenterally transmitted viral hepatitis: results from the hepatitis surveillance system in ItalyE Spada
Clinical Epidemiology Unit, Laboratory of Epidemiology e Biostatistics, Istituto Superiore di Sanita, Rome, Italy
Dig Liver Dis 33:778-84. 2001..In 1991, compulsory hepatitis B virus vaccination and screening for anti-hepatitis C virus of blood banks were introduced in Italy...
Use of the minimum spanning tree model for molecular epidemiological investigation of a nosocomial outbreak of hepatitis C virus infectionEnea Spada
Istituto Superiore di Sanita, National Center of Epidemiology, Surveillance, and Health Promotion, Clinical Epidemiology Unit, via Regina Elena 299, 00161 Rome, Italy
J Clin Microbiol 42:4230-6. 2004..In conclusion, the MST model, supported by an exhaustive clinical-epidemiological investigation, appears to be a useful tool in tracing the history of transmission in outbreaks of HCV infection...
Multispecific T cell response and negative HCV RNA tests during acute HCV infection are early prognostic factors of spontaneous clearanceE Spada
Istituto Superiore di Sanita, National Center of Epidemiology, Surveillance and Health Promotion, Clinical Epidemiology Unit, Viale Regina Elena 299, 00161 Rome, Italy
Gut 53:1673-81. 2004..The aim of this study was to identify early prognostic markers of disease resolution by performing a comprehensive analysis of viral and host factors during the natural course of acute HCV infection...
Molecular epidemiology of a hepatitis C virus outbreak in a hemodialysis unit in ItalyEnea Spada
Istituto Superiore di Sanita, National Centre of Epidemiology, Surveillance and Health Promotion, Clinical Epidemiology Unit, Rome, Italy
J Med Virol 80:261-7. 2008..The outbreak was probably due to breaks of infection control procedures although a related-machine transmission cannot be excluded in one of the cases...
Acute hepatitis B 14 years after the implementation of universal vaccination in Italy: areas of improvement and emerging challengesAlfonso Mele
National Centre of Epidemiology, Surveillance and Health Promotion, Istituto Superiore di Sanita, Rome, Italy
Clin Infect Dis 46:868-75. 2008..In 1991, vaccination of infants and adolescents became mandatory. We report the impact of universal vaccination 14 years after its beginning...
Impact of viral selected mutations on T cell mediated immunity in chronically evolving and self limiting acute HCV infectionSilvia Guglietta
Department of Cellular and Developmental Biology, Sapienza University of Rome, Rome, Italy
Virology 386:398-406. 2009....
Rare HVR1-HCV genotype 1b variants in patients with B non Hodgkin's lymphoma. Comparison with viral sequences detected in cases of lymphoproliferative disorders and B cell compartmentalisationStefano Dettori
Viral Hepatitis Unit, Department of Infectious, Parasitic and Immune Mediated Disease, Istituto Superiore di Sanita, Rome
New Microbiol 30:265-70. 2007..In conclusion, the HCV predominants circulating in B-NHL cases seem to be associated with clonal selection of rare variants...
Estimating the incidence, prevalence and clinical burden of hepatitis C over time in ItalyAndrea Mariano
Reparto di Epidemiologia Clinica e Linee Guida, Istituto Superiore di Sanita, Rome, Italy
Scand J Infect Dis 41:689-99. 2009..This is due to differences in the age-specific prevalence, most of HCV-positive Italians currently being >65 y of age...
Evaluation of the compliance with the protocol for preventing perinatal hepatitis B infection in ItalyEnea Spada
National Centre of Epidemiology, Surveillance and Health Promotion, Istituto Superiore di Sanita, Rome, Italy
J Infect 62:165-71. 2011..To evaluate the compliance with the protocol for preventing perinatal hepatitis B infection in Italy, including HBsAg screening of pregnant women and immunization of newborns to infected mothers...
Acute hepatitis delta virus infection in Italy: incidence and risk factors after the introduction of the universal anti-hepatitis B vaccination campaignAlfonso Mele
National Centre of Epidemiology, Surveillance and Health Promotion, Istituto Superiore di Sanita, Rome, 00162, Italy
Clin Infect Dis 44:e17-24. 2007..Updates on the incidence of and risk factors for acute hepatitis delta virus infection in Italy, as well as in other countries, are lacking, and the impact of the mandatory anti-hepatitis B vaccination has not been evaluated...
Polyfunctional type-1, -2, and -17 CD8⁺ T cell responses to apoptotic self-antigens correlate with the chronic evolution of hepatitis C virus infectionDebora Franceschini
Dipartimento di Medicina Interna e Specialita Mediche, Sapienza Universita di Roma, Rome, Italy
PLoS Pathog 8:e1002759. 2012....
Early impairment of hepatitis C virus specific T cell proliferation during acute infection leads to failure of viral clearanceA Folgori
Istituto di Ricerche di Biologia Molecolare P Angeletti, Via Pontina Km 30.600, 00040, Pomezia, Rome, Italy
Gut 55:1012-9. 2006....
High prevalence of hepatitis B virus infection in B-cell non-Hodgkin's lymphomaFabrizio Marcucci
Istituto Superiore di Sanita, Rome, Italy
Haematologica 91:554-7. 2006..75-7.66). HBV/HCV co-infection was found in four cases, but in no controls. The finding of a positive association between HBV infection and B-NHL raises the possibility that HBV may play an etiologic role in the induction of B-NHL...
Case fatality rate of acute viral hepatitis in Italy: 1995-2000. An updateE Bianco
Laboratory of Epidemiology and Biostatistics, Istituto Superiore di Sanit, Rome, Italy
Dig Liver Dis 35:404-8. 2003..There is no evidence that acute hepatitis A may be fatal in chronic HBsAg or HCV carriers. The overall better survival rate may probably reflect improvements in the treatment of fulminant hepatitis in the last few years in Italy...
Acute hepatitis A in Italy: incidence, risk factors and preventive measuresM E Tosti
National Centre of Epidemiology, Surveillance and Health Promotion, Istituto Superiore di Sanita, Rome, Italy
J Viral Hepat 15:26-32. 2008....
Risk of parenterally transmitted hepatitis following exposure to surgery or other invasive procedures: results from the hepatitis surveillance system in ItalyA Mele
Laboratory of Epidemiology, , Rome, Italy
J Hepatol 35:284-9. 2001..Since a large proportion of the adult general population is exposed to these procedures and an effective HCV vaccine is not yet available, non-immunological means of controlling iatrogenic modes of transmission are extremely important...
Immune complexed (IC) hepatitis C virus (HCV) in chronically and acutely HCV-infected patientsE Riva
Department of Biomedical Research, University Campus Bio Medico, Via E Longoni n 47, 00185, Rome, Italy
Med Microbiol Immunol 198:13-8. 2009..Collectively, these findings strengthen the possibility that IC virus could play a critical role in the pathogenesis of HCV infection...
Influence of specific CD4+ T cells and antibodies on evolution of hypervariable region 1 during acute HCV infectionCristiano Scotta
Department of Cellular and Developmental Biology, La Sapienza University of Rome, Italy
J Hepatol 48:216-28. 2008..However, these studies have not been performed examining the relationship between HVR1 evolution and the development of specific immunity to autologous HVR1 sequences...
Incidence of parenterally transmitted acute viral hepatitis among healthcare workers in ItalyMaria Elena Tosti
National Centre of Epidemiology Surveillance and Health Promotion, Istituto Superiore di Sanit, Viale Regina Elena, 299-00161 Rome, Italy
Infect Control Hosp Epidemiol 28:629-32. 2007
