Low Frequency Of Regulatory B-Cells And Increased CD4+ and CD8+ Interferon-γ-producing cells in patients with tropical spastic paraparesis associated with human T-cell lymphotropic virus type
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista da Sociedade Brasileira de Medicina Tropical |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822019000100325 |
Resumo: | Abstract INTRODUCTION: Tropical spastic paraparesis/HTLV-1 associated myelopathy (TSP/HAM) is a disease caused by human T-cell lymphotropic virus type 1 (HTLV-I) that mainly infects CD4 T cells-for example, those of the CD4+CD25hiFOXP3+ [Treg] phenotype-where it inhibits forkhead box protein P3 (FOXP3) expression and promotes interferon-γ (IFN-γ) expression. However, the role it exerts on regulatory B cells (CD19+CD24hiCD38hi; Breg) is unknown. METHODS: The frequencies of Treg and Breg cells was evaluated and the Th1 profiles were assessed in TSP/HAM patients and healthy control subjects. RESULTS: Low percentages of Breg cells and high production of IFN-γ were observed in patients compared to those in healthy control subjects. CONCLUSIONS: The low percentage of Breg cells in patients and the increase in the frequency of Th1 cells suggest an imbalance in the control of the inflammatory response that contributes to the immunopathogenesis of TSP/HAM. |
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Revista da Sociedade Brasileira de Medicina Tropical |
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Low Frequency Of Regulatory B-Cells And Increased CD4+ and CD8+ Interferon-γ-producing cells in patients with tropical spastic paraparesis associated with human T-cell lymphotropic virus typeTropical Spastic ParaparesisHTLV-1 virusRegulatory T cellsRegulatory B cellsInterferon-γAbstract INTRODUCTION: Tropical spastic paraparesis/HTLV-1 associated myelopathy (TSP/HAM) is a disease caused by human T-cell lymphotropic virus type 1 (HTLV-I) that mainly infects CD4 T cells-for example, those of the CD4+CD25hiFOXP3+ [Treg] phenotype-where it inhibits forkhead box protein P3 (FOXP3) expression and promotes interferon-γ (IFN-γ) expression. However, the role it exerts on regulatory B cells (CD19+CD24hiCD38hi; Breg) is unknown. METHODS: The frequencies of Treg and Breg cells was evaluated and the Th1 profiles were assessed in TSP/HAM patients and healthy control subjects. RESULTS: Low percentages of Breg cells and high production of IFN-γ were observed in patients compared to those in healthy control subjects. CONCLUSIONS: The low percentage of Breg cells in patients and the increase in the frequency of Th1 cells suggest an imbalance in the control of the inflammatory response that contributes to the immunopathogenesis of TSP/HAM.Sociedade Brasileira de Medicina Tropical - SBMT2019-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822019000100325Revista da Sociedade Brasileira de Medicina Tropical v.52 2019reponame:Revista da Sociedade Brasileira de Medicina Tropicalinstname:Sociedade Brasileira de Medicina Tropical (SBMT)instacron:SBMT10.1590/0037-8682-0101-2019info:eu-repo/semantics/openAccessBurbano,Yulieth Cristina BermúdezPaz,Angie Vanessa CaicedoCaldon,Cristhian Camilo RiveraConstain,Juan Sebastián RodríguezGonzáles,Gloria Inés ÁvilaHernández,Julio César KlíngerMarin-Agudelo,NancyDueñas-Cuellar,Rosa AmaliaCastaño,Victoria Eugenia Niñoeng2019-07-16T00:00:00Zoai:scielo:S0037-86822019000100325Revistahttps://www.sbmt.org.br/portal/revista/ONGhttps://old.scielo.br/oai/scielo-oai.php||dalmo@rsbmt.uftm.edu.br|| rsbmt@rsbmt.uftm.edu.br1678-98490037-8682opendoar:2019-07-16T00:00Revista da Sociedade Brasileira de Medicina Tropical - Sociedade Brasileira de Medicina Tropical (SBMT)false |
dc.title.none.fl_str_mv |
Low Frequency Of Regulatory B-Cells And Increased CD4+ and CD8+ Interferon-γ-producing cells in patients with tropical spastic paraparesis associated with human T-cell lymphotropic virus type |
title |
Low Frequency Of Regulatory B-Cells And Increased CD4+ and CD8+ Interferon-γ-producing cells in patients with tropical spastic paraparesis associated with human T-cell lymphotropic virus type |
spellingShingle |
Low Frequency Of Regulatory B-Cells And Increased CD4+ and CD8+ Interferon-γ-producing cells in patients with tropical spastic paraparesis associated with human T-cell lymphotropic virus type Burbano,Yulieth Cristina Bermúdez Tropical Spastic Paraparesis HTLV-1 virus Regulatory T cells Regulatory B cells Interferon-γ |
title_short |
Low Frequency Of Regulatory B-Cells And Increased CD4+ and CD8+ Interferon-γ-producing cells in patients with tropical spastic paraparesis associated with human T-cell lymphotropic virus type |
title_full |
Low Frequency Of Regulatory B-Cells And Increased CD4+ and CD8+ Interferon-γ-producing cells in patients with tropical spastic paraparesis associated with human T-cell lymphotropic virus type |
title_fullStr |
Low Frequency Of Regulatory B-Cells And Increased CD4+ and CD8+ Interferon-γ-producing cells in patients with tropical spastic paraparesis associated with human T-cell lymphotropic virus type |
title_full_unstemmed |
Low Frequency Of Regulatory B-Cells And Increased CD4+ and CD8+ Interferon-γ-producing cells in patients with tropical spastic paraparesis associated with human T-cell lymphotropic virus type |
title_sort |
Low Frequency Of Regulatory B-Cells And Increased CD4+ and CD8+ Interferon-γ-producing cells in patients with tropical spastic paraparesis associated with human T-cell lymphotropic virus type |
author |
Burbano,Yulieth Cristina Bermúdez |
author_facet |
Burbano,Yulieth Cristina Bermúdez Paz,Angie Vanessa Caicedo Caldon,Cristhian Camilo Rivera Constain,Juan Sebastián Rodríguez Gonzáles,Gloria Inés Ávila Hernández,Julio César Klínger Marin-Agudelo,Nancy Dueñas-Cuellar,Rosa Amalia Castaño,Victoria Eugenia Niño |
author_role |
author |
author2 |
Paz,Angie Vanessa Caicedo Caldon,Cristhian Camilo Rivera Constain,Juan Sebastián Rodríguez Gonzáles,Gloria Inés Ávila Hernández,Julio César Klínger Marin-Agudelo,Nancy Dueñas-Cuellar,Rosa Amalia Castaño,Victoria Eugenia Niño |
author2_role |
author author author author author author author author |
dc.contributor.author.fl_str_mv |
Burbano,Yulieth Cristina Bermúdez Paz,Angie Vanessa Caicedo Caldon,Cristhian Camilo Rivera Constain,Juan Sebastián Rodríguez Gonzáles,Gloria Inés Ávila Hernández,Julio César Klínger Marin-Agudelo,Nancy Dueñas-Cuellar,Rosa Amalia Castaño,Victoria Eugenia Niño |
dc.subject.por.fl_str_mv |
Tropical Spastic Paraparesis HTLV-1 virus Regulatory T cells Regulatory B cells Interferon-γ |
topic |
Tropical Spastic Paraparesis HTLV-1 virus Regulatory T cells Regulatory B cells Interferon-γ |
description |
Abstract INTRODUCTION: Tropical spastic paraparesis/HTLV-1 associated myelopathy (TSP/HAM) is a disease caused by human T-cell lymphotropic virus type 1 (HTLV-I) that mainly infects CD4 T cells-for example, those of the CD4+CD25hiFOXP3+ [Treg] phenotype-where it inhibits forkhead box protein P3 (FOXP3) expression and promotes interferon-γ (IFN-γ) expression. However, the role it exerts on regulatory B cells (CD19+CD24hiCD38hi; Breg) is unknown. METHODS: The frequencies of Treg and Breg cells was evaluated and the Th1 profiles were assessed in TSP/HAM patients and healthy control subjects. RESULTS: Low percentages of Breg cells and high production of IFN-γ were observed in patients compared to those in healthy control subjects. CONCLUSIONS: The low percentage of Breg cells in patients and the increase in the frequency of Th1 cells suggest an imbalance in the control of the inflammatory response that contributes to the immunopathogenesis of TSP/HAM. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822019000100325 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822019000100325 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/0037-8682-0101-2019 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Medicina Tropical - SBMT |
publisher.none.fl_str_mv |
Sociedade Brasileira de Medicina Tropical - SBMT |
dc.source.none.fl_str_mv |
Revista da Sociedade Brasileira de Medicina Tropical v.52 2019 reponame:Revista da Sociedade Brasileira de Medicina Tropical instname:Sociedade Brasileira de Medicina Tropical (SBMT) instacron:SBMT |
instname_str |
Sociedade Brasileira de Medicina Tropical (SBMT) |
instacron_str |
SBMT |
institution |
SBMT |
reponame_str |
Revista da Sociedade Brasileira de Medicina Tropical |
collection |
Revista da Sociedade Brasileira de Medicina Tropical |
repository.name.fl_str_mv |
Revista da Sociedade Brasileira de Medicina Tropical - Sociedade Brasileira de Medicina Tropical (SBMT) |
repository.mail.fl_str_mv |
||dalmo@rsbmt.uftm.edu.br|| rsbmt@rsbmt.uftm.edu.br |
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1752122161625038848 |