Peripheral lymphocyte subsets in chronic hepatitis C: Effects of 12 weeks of antiviral treatment with interferon-alpha plus ribavirin

Detalhes bibliográficos
Autor(a) principal: Oliveira, Isabela Silva de
Data de Publicação: 2016
Outros Autores: Carvalho, Lucas Pedreira de, Schinoni, Maria Isabel, Paraná, Raymundo, Atta, Ajax Mercês, Atta, Maria Luiza Brito de Sousa
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da FIOCRUZ (ARCA)
Texto Completo: https://www.arca.fiocruz.br/handle/icict/18371
Resumo: Carvalho, L. P. Fundação Oswaldo Cruz. Centro de Pesquisas Gonçalo Moniz. Salvador, BA, Brasil. “Documento produzido em parceria ou por autor vinculado à Fiocruz, mas não consta à informação no documento”.
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spelling Oliveira, Isabela Silva deCarvalho, Lucas Pedreira deSchinoni, Maria IsabelParaná, RaymundoAtta, Ajax MercêsAtta, Maria Luiza Brito de Sousa2017-04-11T13:43:36Z2017-04-11T13:43:36Z2016OLIVEIRA, I. S. et al. Peripheral lymphocyte subsets in chronic hepatitis C: Effects of 12 weeks of antiviral treatment with interferon-alpha plus ribavirin. Microbial Pathogenesis, v. 91, p. 155e160, 2016.0882-4010https://www.arca.fiocruz.br/handle/icict/1837110.1016/j.micpath.2015.12.007Carvalho, L. P. Fundação Oswaldo Cruz. Centro de Pesquisas Gonçalo Moniz. Salvador, BA, Brasil. “Documento produzido em parceria ou por autor vinculado à Fiocruz, mas não consta à informação no documento”.National Council for Scientific and Technological Development (CNPq, Grant No 475210/2010-7).Universidade Federal da Bahia. Salvador, BA, BrasilUniversidade Federal da Bahia. Hospital Universitário Professor Edgard Santos. Serviço de Imunologia. Salvador, BA, BrasilUniversidade Federal da Bahia. Hospital Universitário Professor Edgard Santos. Serviço de Gastro-Hepatologia. Salvador, BA, BrasilUniversidade Federal da Bahia. Hospital Universitário Professor Edgard Santos. Serviço de Gastro-Hepatologia. Salvador, BA, BrasilUniversidade Federal da Bahia. Faculdade de Farmácia. Departamento de An alises Clínicas e Toxicol ogicas. Salvador, BA, BrasilUniversidade Federal da Bahia. Faculdade de Farmácia. Departamento de An alises Clínicas e Toxicol ogicas. Salvador, BA, BrasilChronic infection with hepatitis C virus (HCV) causes a quantitative and functional alteration in innate and adaptative immunity. In the present work, we determined by flow-cytometry the profile of blood lymphocyte of untreated HCV patients and in subjects of this group that achieved or not an early virologic response at 12-weeks of treatment with interferon-α plus ribavirin. Twenty-six untreated HCV patients and 20 control healthy individuals were enrolled in the study. Untreated HCV patients had a higher proportion of B cell and a lower proportion of CD8(+) T cell and NK cells than healthy individuals did, but the proportions of CD4(+) T cells and Treg cells (CD4(+)CD25(+)Foxp3(+)) were similar in these patients and controls. Untreated HCV patients presenting cryoglobulinemia had a lower proportion of Treg cells and a lower Treg/NK cell ratio when compared with those without cryoglobulins. Nineteen out of 26 untreated HCV patients remained in the study and were treated with Interferon-α plus ribavirin. At 12-weeks of treatment, 10 of them achieved early virologic response (EVR), whereas 9 were non-responders (NR). EVR patients differed from NR patients in the increase of their proportion of NK cells at 12 weeks of treatment. In conclusion, untreated HCV patients exhibit an altered profile of blood lymphocyte subsets, including a reduction in the proportion of CD4(+)CD25(+)FoxP3(+)T regulatory cells in patients that present cryoglobulinemia. An early virological response at 12-weeks of treatment with IFN-α plus ribavirin seems to be associated a significant improvement in the proportion of NK cells of HCV treated patients.engElsevierHepetite CHepacivirusAgentes antiviraisHumanoRibavirinaAdultoHepatitis CHepacivirusAntiviral agentsHumanRibavirinAdultsPeripheral lymphocyte subsets in chronic hepatitis C: Effects of 12 weeks of antiviral treatment with interferon-alpha plus ribavirininfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; charset=utf-82991https://www.arca.fiocruz.br/bitstream/icict/18371/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINALOliveira IS Peripheral lymphocyte....pdfOliveira IS Peripheral 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dc.title.pt_BR.fl_str_mv Peripheral lymphocyte subsets in chronic hepatitis C: Effects of 12 weeks of antiviral treatment with interferon-alpha plus ribavirin
title Peripheral lymphocyte subsets in chronic hepatitis C: Effects of 12 weeks of antiviral treatment with interferon-alpha plus ribavirin
spellingShingle Peripheral lymphocyte subsets in chronic hepatitis C: Effects of 12 weeks of antiviral treatment with interferon-alpha plus ribavirin
Oliveira, Isabela Silva de
Hepetite C
Hepacivirus
Agentes antivirais
Humano
Ribavirina
Adulto
Hepatitis C
Hepacivirus
Antiviral agents
Human
Ribavirin
Adults
title_short Peripheral lymphocyte subsets in chronic hepatitis C: Effects of 12 weeks of antiviral treatment with interferon-alpha plus ribavirin
title_full Peripheral lymphocyte subsets in chronic hepatitis C: Effects of 12 weeks of antiviral treatment with interferon-alpha plus ribavirin
title_fullStr Peripheral lymphocyte subsets in chronic hepatitis C: Effects of 12 weeks of antiviral treatment with interferon-alpha plus ribavirin
title_full_unstemmed Peripheral lymphocyte subsets in chronic hepatitis C: Effects of 12 weeks of antiviral treatment with interferon-alpha plus ribavirin
title_sort Peripheral lymphocyte subsets in chronic hepatitis C: Effects of 12 weeks of antiviral treatment with interferon-alpha plus ribavirin
author Oliveira, Isabela Silva de
author_facet Oliveira, Isabela Silva de
Carvalho, Lucas Pedreira de
Schinoni, Maria Isabel
Paraná, Raymundo
Atta, Ajax Mercês
Atta, Maria Luiza Brito de Sousa
author_role author
author2 Carvalho, Lucas Pedreira de
Schinoni, Maria Isabel
Paraná, Raymundo
Atta, Ajax Mercês
Atta, Maria Luiza Brito de Sousa
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Oliveira, Isabela Silva de
Carvalho, Lucas Pedreira de
Schinoni, Maria Isabel
Paraná, Raymundo
Atta, Ajax Mercês
Atta, Maria Luiza Brito de Sousa
dc.subject.other.pt_BR.fl_str_mv Hepetite C
Hepacivirus
Agentes antivirais
Humano
Ribavirina
Adulto
topic Hepetite C
Hepacivirus
Agentes antivirais
Humano
Ribavirina
Adulto
Hepatitis C
Hepacivirus
Antiviral agents
Human
Ribavirin
Adults
dc.subject.en.pt_BR.fl_str_mv Hepatitis C
Hepacivirus
Antiviral agents
Human
Ribavirin
Adults
description Carvalho, L. P. Fundação Oswaldo Cruz. Centro de Pesquisas Gonçalo Moniz. Salvador, BA, Brasil. “Documento produzido em parceria ou por autor vinculado à Fiocruz, mas não consta à informação no documento”.
publishDate 2016
dc.date.issued.fl_str_mv 2016
dc.date.accessioned.fl_str_mv 2017-04-11T13:43:36Z
dc.date.available.fl_str_mv 2017-04-11T13:43:36Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.citation.fl_str_mv OLIVEIRA, I. S. et al. Peripheral lymphocyte subsets in chronic hepatitis C: Effects of 12 weeks of antiviral treatment with interferon-alpha plus ribavirin. Microbial Pathogenesis, v. 91, p. 155e160, 2016.
dc.identifier.uri.fl_str_mv https://www.arca.fiocruz.br/handle/icict/18371
dc.identifier.issn.pt_BR.fl_str_mv 0882-4010
dc.identifier.doi.none.fl_str_mv 10.1016/j.micpath.2015.12.007
identifier_str_mv OLIVEIRA, I. S. et al. Peripheral lymphocyte subsets in chronic hepatitis C: Effects of 12 weeks of antiviral treatment with interferon-alpha plus ribavirin. Microbial Pathogenesis, v. 91, p. 155e160, 2016.
0882-4010
10.1016/j.micpath.2015.12.007
url https://www.arca.fiocruz.br/handle/icict/18371
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Repositório Institucional da FIOCRUZ (ARCA)
instname:Fundação Oswaldo Cruz (FIOCRUZ)
instacron:FIOCRUZ
instname_str Fundação Oswaldo Cruz (FIOCRUZ)
instacron_str FIOCRUZ
institution FIOCRUZ
reponame_str Repositório Institucional da FIOCRUZ (ARCA)
collection Repositório Institucional da FIOCRUZ (ARCA)
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https://www.arca.fiocruz.br/bitstream/icict/18371/3/Oliveira%20IS%20Peripheral%20lymphocyte....pdf.txt
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