Please use this identifier to cite or link to this item: http://repositorio.unitau.br/jspui/handle/20.500.11874/2619
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dc.contributor.authorPereira, Alexandre Lustosapt_BR
dc.contributor.authorHolzhausen, Marinellapt_BR
dc.contributor.authorNobre Franco, Gilson Cesarpt_BR
dc.contributor.authorCortelli, Sheila Cavalcapt_BR
dc.contributor.authorCortelli, José Robertopt_BR
dc.date.accessioned2019-09-12T16:53:33Z-
dc.date.available2019-09-12T16:53:33Z-
dc.date.issued2012-
dc.citation.volume57pt_BR
dc.citation.issue12pt_BR
dc.citation.spage1609-
dc.citation.epage1614-
dc.identifier.doi10.1016/j.archoralbio.2012.04.018pt_BR
dc.identifier.issn0003-9969-
dc.identifier.urihttp://repositorio.unitau.br/jspui/handle/20.500.11874/2619-
dc.description.abstractObjective: Some previous studies have shown that gingipains, trypsin-like proteases produced by Porphyromonas gingivalis, up-regulate human beta defensin-2 (HBD-2) mRNA expression through protease-activated receptor-2 (PAR(2)) in gingival epithelial cells. This study aimed at investigating salivary HBD-2 levels and crevicular PAR(2) mRNA expression in human chronic periodontitis and evaluating whether periodontal treatment affected this process. Methods: Salivary and gingival crevicular fluid (GCF) samples were collected from periodontally healthy (control) and chronic periodontitis patients at baseline and 50 days after nonsurgical periodontal treatment. Salivary HBD-2, and GCF TNF-alpha levels were analysed by ELISA, and PAR(2) mRNA at the GCF was evaluated by RT-PCR. Results: P. gingivalis was significantly (p < 0.05) more prevalent in patients with chronic periodontitis when compared to controls. This prevalence decreased after periodontal therapy (p < 0.0001). The control group showed statistically significant lower levels of HBD-2, TNF-alpha, and PAR(2) expression when compared to the chronic periodontitis group. In addition, periodontal treatment significantly reduced PAR(2) expression and HBD-2 levels in chronic periodontitis patients (p < 0.001). Conclusions: Our results suggest that salivary HBD-2 levels and PAR(2) mRNA expression from GCF are higher in subjects with chronic periodontitis than in healthy subjects, and that periodontal treatment decreases both HBD-2 levels and PAR(2) expression. (C) 2012 Elsevier Ltd. All rights reserved.en
dc.description.abstractObjetivo Alguns estudos anteriores mostraram que as gingipains, proteases semelhantes à tripsina produzidas por Porphyromonas gingivalis , regulam positivamente a expressão de mRNA da β defensina-2 humana (HBD-2) por meio do receptor-2 ativado por protease (PAR 2 ) em células epiteliais gengivais. O objetivo deste estudo foi investigar os níveis salivares de HBD-2 e a expressão do mRNA PAR 2 crevicular na periodontite crônica humana e avaliar se o tratamento periodontal afetou esse processo. Métodos Amostras de fluido das fendas gengivais e salivares (GCF) foram coletadas de pacientes periodontais saudáveis ​​(controle) e com periodontite crônica no início do estudo e 50 dias após o tratamento periodontal não cirúrgico. Os níveis salivares de HBD-2 e GCF TNF-α foram analisados ​​por ELISA, e o mRNA de PAR 2 no GCF foi avaliado por RT-PCR. Resultados P. gingivalis foi significativamente ( p < 0,05) mais prevalente em pacientes com periodontite crônica quando comparados aos controles. Essa prevalência diminuiu após a terapia periodontal ( p < 0,0001). O grupo controle apresentou níveis mais baixos estatisticamente significantes de expressão de HBD-2, TNF-α e PAR 2 quando comparado ao grupo com periodontite crônica. Além disso, o tratamento periodontal reduziu significativamente a expressão de PAR 2 e os níveis de HBD-2 em pacientes com periodontite crônica ( p < 0,001). Conclusões Nossos resultados sugerem que os níveis salivares de HBD-2 e a expressão de PAR 2 mRNA do GCF são maiores em indivíduos com periodontite crônica do que em indivíduos saudáveis, e que o tratamento periodontal diminui os níveis de HBD-2 e a expressão de PAR 2 .pt_BR
dc.description.provenanceMade available in DSpace on 2019-09-12T16:53:33Z (GMT). No. of bitstreams: 0 Previous issue date: 2012en
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)pt_BR
dc.languageInglêspt_BR
dc.publisherPergamon-Elsevier Science Ltd-
dc.publisher.countryInglaterrapt_BR
dc.relation.ispartofArchives of Oral Biology-
dc.rightsAcesso Abertopt_BR
dc.sourceWeb of Sciencept_BR
dc.subject.otherChronic Periodontitisen
dc.subject.otherProtease Activated Receptor-2en
dc.subject.otherHuman Beta Defensin 2en
dc.subject.otherPeriodontal Treatmenten
dc.subject.otherOral Epithelial-Cellsen
dc.subject.otherAntimicrobial Peptide Expressionen
dc.subject.otherPorphyromonas-Gingivalisen
dc.subject.otherHuman Beta-Defensin-1en
dc.subject.otherInnate Immunityen
dc.subject.otherCytokinesen
dc.subject.otherDiseasesen
dc.titleHuman beta-defensin 2 and protease activated receptor-2 expression in patients with chronic periodontitisen
dc.title.alternativeExpressão de β-defensina 2 humana e receptor-2 ativado por protease em pacientes com periodontite crônicapt_BR
dc.typeArtigo de Periódicopt_BR
dc.contributor.orcidHolzhausen, Marinella https://orcid.org/0000-0001-9413-5253pt_BR
dc.contributor.researcheridPereira, Alexandre/C-4227-2016pt_BR
dc.contributor.researcheridHolzhausen, Marinella/G-2886-2012pt_BR
dc.contributor.researcheridHolzhausen, Marinella/J-4298-2014pt_BR
dc.identifier.wosWOS:000312514500005-
dc.description.affiliation[Pereira, Alexandre Lustosa; Nobre Franco, Gilson Cesar; Cortelli, Sheila Cavalca; Cortelli, Jose Roberto] Universidade de Taubaté (Unitau), Dept Periodontol-
dc.description.affiliation[Holzhausen, Marinella] Univ Sao Paulo, Div Periodont, Dept Stomatol, Sch Dent, Sao Paulo, Brazil-
dc.subject.wosareaDentistry, Oral Surgery & Medicineen
dc.subject.researchareaDentistry, Oral Surgery & Medicineen
Appears in Collections:Artigos de Periódicos

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