No reduction of HCV viral load in HIV patients co-infected with HCV genotype 1 during a 30 days course of nitazoxanide monotherapyN Laufer
Centro Nacional de Referencia para el SIDA, Universidad de Buenos Aires, Argentina
Antiviral Res 92:497-9. 2011
..This data suggests that despite the promising results reported for HCV genotype 4 mono-infected patients, NTZ exhibit poor activity as monotherapy in HIV/HCV co-infected patients with genotype 1...
HCV RNA decline in the first 24 h exhibits high negative predictive value of sustained virologic response in HIV/HCV genotype 1 co-infected patients treated with peginterferon and ribavirinN Laufer
Centro Nacional de Referencia para el SIDA, Universidad de Buenos Aires, Paraguay 2155, Buenos Aires, Argentina
Antiviral Res 90:92-7. 2011
..Viral kinetics has emerged as one of the best prognostic factors of treatment outcome...
Abacavir does not influence the rate of virological response in HIV-HCV-coinfected patients treated with pegylated interferon and weight-adjusted ribavirinNatalia Laufer
Infectious Diseases Unit, Hospital Clinic, Barcelona, Spain
Antivir Ther 13:953-7. 2008
..The aim of our study was to evaluate the effect of ABC on the response rate to HCV therapy...
Longitudinal analysis of the 5'UTR, E2-PePHD and NS5A-PKRBD genomic regions of hepatitis C virus genotype 1a in association with the response to peginterferon and ribavirin therapy in HIV-coinfected patientsFederico Bolcic
Instituto de Investigaciones Biomédicas en Retrovirus y Sida, Facultad de Medicina, Universidad de Buenos Aires, Argentina
Antiviral Res 95:72-81. 2012
..The proteins appear to block interferon (IFN)-induced RNA-dependent protein kinase (PKR) and the 5'UTR may influence the viral lymphotropism...
A clustering phenomenon among HCV-1a strains among patients coinfected with HIV from Buenos Aires, ArgentinaFederico Bolcic
Microbiology Department, National Reference Center for AIDS Research, School of Medicine, University of Buenos Aires, Buenos Aires, Argentina
J Med Virol 84:570-81. 2012
..In conclusion, these results suggest the presence of an HCV-1a monophyletic cluster with a potential HIV co-transmission by phylogenetic analyses...
HCV genotype distribution among HIV co-infected individuals in Argentina: relationship with host and viral factorsJorge F Quarleri
Centro Nacional de Referencia para el SIDA, Dto Microbiologia, Facultad de Medicina, Universidad de Buenos Aires, CONICET, Argentina
Acta Gastroenterol Latinoam 37:76-83. 2007
..Considering the increasing rate of HCV genotypes with lower response rates to treatment among HIV co-infected patients, antiretroviral therapy success might be jeopardized by HCV coinfection...
Telomerase activity in peripheral blood mononuclear cells from HIV and HIV-HCV coinfected patientsRita Reynoso
Centro Nacional de Referencia para el SIDA, Dto Microbiologia, Facultad de Medicina, Universidad de Buenos Aires, Argentina
Virus Res 147:284-7. 2010
..The lack of an appropriate induction of this enzymatic activity after stimulus could partly account for immunosuppressive conditions observed in such patients...
Low rate of emergence of nevirapine and lamivudine resistance after post-partum interruption of a triple-drug regimenHector Perez
Fernandes Hospital, Infectious Diseases Unit, Buenos Aires, Argentina
Antivir Ther 13:135-9. 2008
..The aim of this study was to evaluate the emergence of strains resistant to NVP and lamivudine (3TC) after discontinuation of antiretroviral therapy (ART) with 3TC/zidovudine (ZDV)/NVP...
ICOS, SLAM and PD-1 expression and regulation on T lymphocytes reflect the immune dysregulation in patients with HIV-related illness with pulmonary tuberculosisJavier Oscar Jurado
Department of Biological Chemistry, University of Buenos Aires, School of Sciences, Buenos Aires, Argentina
J Int AIDS Soc 15:17428. 2012
....
Acute retroviral syndrome and high baseline viral load are predictors of rapid HIV progression among untreated Argentinean seroconvertersM Eugenia Socías
Hospital J A Fernandez, Cerviño 3356, Buenos Aires, Argentina
J Int AIDS Soc 14:40. 2011
..Diagnosis of primary HIV infection (PHI) has important clinical and public health implications. HAART initiation at this stage remains controversial...
Hepatitis B precore/core promoter mutations in isolates from HBV-monoinfected and HBV-HIV coinfected patients: a 3-yr prospective studyLucila Cassino
Centro Nacional de Referencia para el SIDA, Dto Microbiologia, Facultad de Medicina, Universidad de Buenos Aires, Argentina
J Clin Virol 46:354-9. 2009
..The course of chronic HBV infection is modified by HIV-coexistence...
Magnitude, breadth, and functional profile of T-cell responses during human immunodeficiency virus primary infection with B and BF viral variantsGabriela Turk
Centro Nacional de Referencia para el SIDA, Facultad de Medicina, Universidad de Buenos Aires, Paraguay 2155 Piso 11, C1121ABG Buenos Aires, Argentina
J Virol 82:2853-66. 2008
..Screening T-cell responses with multiple sets increased sensitivity. Further support for the notion of polyfunctional CD8(+) T-cell requirement to better control viral replication is also provided...