https://observatorio.fm.usp.br/handle/OPI/30903
DC Field | Value | Language |
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dc.contributor | Sistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP | |
dc.contributor.author | ITO, Juliana Tiyaki | |
dc.contributor.author | CERVILHA, Daniela Aparecida de Brito | |
dc.contributor.author | LOURENCO, Juliana Dias | |
dc.contributor.author | GONCALVES, Natalia Gomes | |
dc.contributor.author | VOLPINI, Rildo Aparecido | |
dc.contributor.author | CALDINI, Elia Garcia | |
dc.contributor.author | LANDMAN, Gilles | |
dc.contributor.author | LIN, Chin Jia | |
dc.contributor.author | VELOSA, Ana Paula Pereira | |
dc.contributor.author | TEODORO, Walcy Paganelli Rosolia | |
dc.contributor.author | TIBERIO, Iolanda de Fatima Lopes Calvo | |
dc.contributor.author | MAUAD, Thais | |
dc.contributor.author | MARTINS, Milton de Arruda | |
dc.contributor.author | MACCHIONE, Mariangela | |
dc.contributor.author | LOPES, Fernanda Degobbi Tenorio Quirino dos Santos | |
dc.date.accessioned | 2019-02-21T17:27:38Z | - |
dc.date.available | 2019-02-21T17:27:38Z | - |
dc.date.issued | 2019 | |
dc.identifier.citation | PLOS ONE, v.14, n.1, article ID e0209351, 19p, 2019 | |
dc.identifier.issn | 1932-6203 | |
dc.identifier.uri | https://observatorio.fm.usp.br/handle/OPI/30903 | - |
dc.description.abstract | Background The imbalance between pro- and anti-inflammatory immune responses plays a pivotal role in chronic obstructive pulmonary disease (COPD) development and progression. To clarify the pathophysiological mechanisms of this disease, we performed a temporal analysis of immune response-mediated inflammatory progression in a cigarette smoke (CS)-induced mouse model with a focus on the balance between Th17 and Treg responses. Methods C57BL/6 mice were exposed to CS for 1, 3 or 6 months to induce COPD, and the control groups were maintained under filtered air conditions for the same time intervals. We then performed functional (respiratory mechanics) and structural (alveolar enlargement) analyses. We also quantified the NF-kappa B, TNF-alpha, CD4, CD8, CD20, IL-17, IL-6, FOXP3, IL-10, or TGF-beta positive cells in peribronchovascular areas and assessed FOXP3 and IL-10 expression through double-label immunofluorescence. Additionally, we evaluated the gene expression of NF-kappa B and TNF in bronchiolar epithelial cells. Results Our CS-induced COPD model exhibited an increased proinflammatory immune response (increased expression of the NF-kappa B, TNF-alpha, CD4, CD8, CD20, IL-17, and IL-6 markers) with a concomitantly decreased anti-inflammatory immune response (FOXP3, IL-10, and TGF-beta markers) compared with the control mice. These changes in the immune responses were associated with increased alveolar enlargement and impaired lung function starting on the first month and third month of CS exposure, respectively, compared with the control mice. Conclusion Our results showed that the microenvironmental stimuli produced by the release of cyto-kines during COPD progression lead to a Th17/Treg imbalance. | eng |
dc.description.sponsorship | Fundacao de Amparo a Pesquisa do Estado de Sao Paulo [2014/15819-8 - FDTQSL] | |
dc.description.sponsorship | Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (demanda social - JTI) | |
dc.description.sponsorship | Fundacao Faculdade de Medicina through the Programa de Fomento as Atividades de Pesquisa | |
dc.language.iso | eng | |
dc.publisher | PUBLIC LIBRARY SCIENCE | eng |
dc.relation.ispartof | Plos One | |
dc.rights | openAccess | eng |
dc.subject.other | obstructive pulmonary-disease | eng |
dc.subject.other | mouse model | eng |
dc.subject.other | lung | eng |
dc.subject.other | cells | eng |
dc.subject.other | expression | eng |
dc.subject.other | inflammation | eng |
dc.subject.other | responses | eng |
dc.subject.other | immunity | eng |
dc.subject.other | th17 | eng |
dc.subject.other | reg | eng |
dc.title | Th17/Treg imbalance in COPD progression: A temporal analysis using a CS-induced model | eng |
dc.type | article | eng |
dc.rights.holder | Copyright PUBLIC LIBRARY SCIENCE | eng |
dc.identifier.doi | 10.1371/journal.pone.0209351 | |
dc.identifier.pmid | 30629626 | |
dc.subject.wos | Multidisciplinary Sciences | eng |
dc.type.category | original article | eng |
dc.type.version | publishedVersion | eng |
hcfmusp.author.external | LANDMAN, Gilles:Univ Fed Sao Paulo, Dept Pathol, Multipurpose Lab Mol Pathol, Sao Paulo, Brazil | |
hcfmusp.description.articlenumber | e0209351 | |
hcfmusp.description.issue | 1 | |
hcfmusp.description.volume | 14 | |
hcfmusp.origem | WOS | |
hcfmusp.origem.id | WOS:000455483000023 | |
hcfmusp.origem.id | 2-s2.0-85059807010 | |
hcfmusp.publisher.city | SAN FRANCISCO | eng |
hcfmusp.publisher.country | USA | eng |
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dc.description.index | MEDLINE | eng |
hcfmusp.citation.scopus | 34 | - |
hcfmusp.scopus.lastupdate | 2024-03-29 | - |
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art_ITO_Th17Treg_imbalance_in_COPD_progression_A_temporal_analysis_2019.PDF | publishedVersion (English) | 4.3 MB | Adobe PDF | View/Open |
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