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dc.creatorSANTOS, Kemper Nunes dos-
dc.creatorALMEIDA, Marcella Kelly Costa de-
dc.creatorFECURY, Amanda Alves-
dc.creatorCOSTA, Carlos Araújo da-
dc.creatorMARTINS, Luisa Caricio-
dc.date.accessioned2017-03-21T15:48:57Z-
dc.date.available2017-03-21T15:48:57Z-
dc.date.issued2015-09-
dc.identifier.citationSANTOS, Kemper Nunes dos et al. Analysis of polymorphisms in the interleukin 18 gene promotor (-137 g/c and -607 c/a) in patients infected with hepatitis c virus from the brazilian amazon. Arquivos de Gastroenterologia, São Paulo, v. 52, n. 3, p. 222-227, jul./set. 2015. Disponível em: <http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-28032015000300222&lng=pt&nrm=iso>. Acesso em: 21 mar. 2017. <http://dx.doi.org/10.1590/S0004-28032015000300013>.pt_BR
dc.identifier.issn1678-4219pt_BR
dc.identifier.urihttp://repositorio.ufpa.br/jspui/handle/2011/7947-
dc.description.abstractBackground - The hepatitis C virus has been recognized as the leading cause of chronic liver disease in the world. Host genetic factors have been implicated in the persistence of hepatitis C virus infection. Single nucleotide polymorphisms at positions -607 C/A (rs1946518) and -137 G/C (rs187238) in the IL-18 gene promoter have been suggested to be associated with delayed hepatitis C virus clearance and persistence of the disease. Objective - Identify these polymorphisms in a population infected with hepatitis C virus from the Brazilian Amazon region. Methods - In a cross-sectional analytical study conducted in Belém, Pará, Brazil, 304 patients infected with hepatitis C virus were divided into two groups: group A, patients with persistent infection; group B, patients with spontaneous clearance. The control group consisted of 376 volunteers not infected with hepatitis C virus. Samples were analyzed by RT-PCR for the detection of viral RNA and by RFLP-PCR to evaluate the presence of the -137 G/C and -607 C/A IL-18 gene promoter polymorphisms. Results - Comparison of polymorphism allele frequencies between the patient and control groups showed a higher frequency of allele C at position -607 among patients (P=0.02). When the association between the polymorphisms and viral infection was analyzed, patients carrying genotype C/A at position -607 were found to be at higher risk of persistent hepatitis C virus infection (P=0.03). Conclusion - the present results suggest a possible role of the -607 IL-18 gene promoter polymorphism in the pathogenesis of hepatitis C virus infection.pt_BR
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dc.description.provenanceApproved for entry into archive by Luciana Alcantara (lalcantara@ufpa.br) on 2017-03-21T15:48:57Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Artigo_AnalysisPolymorphismsInterleukin.pdf: 297723 bytes, checksum: 407b91fedd085e103d6794e3354cf29e (MD5)en
dc.description.provenanceMade available in DSpace on 2017-03-21T15:48:57Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Artigo_AnalysisPolymorphismsInterleukin.pdf: 297723 bytes, checksum: 407b91fedd085e103d6794e3354cf29e (MD5) Previous issue date: 2015-09en
dc.languageporpt_BR
dc.publisherUniversidade Federal do Parápt_BR
dc.relation.ispartofArquivos de Gastroenterologiapt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectAmazônia brasileira-
dc.subjectHepatite Cpt_BR
dc.subjectPolimofismopt_BR
dc.subjectAnálise estruturalpt_BR
dc.subjectCitocinaspt_BR
dc.subjectMedicina tropicalpt_BR
dc.subjectAnálise histopatológicapt_BR
dc.titleAnalysis of polymorphisms in the interleukin 18 gene promotor (-137 g/c and -607 c/a) in patients infected with hepatitis c virus from the brazilian amazonpt_BR
dc.title.alternativeAnálise do polimorfismo na região promotora do gene da interleucina 18 (-137 G/C e -607 C/A) em pacientes portadores do vírus da hepatite C na Amazônia Brasileirapt_BR
dc.typeArtigo de Periódicopt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.initialsUFPApt_BR
dc.citation.volume52pt_BR
dc.citation.issue3pt_BR
dc.citation.spage222pt_BR
dcterms.citation.epage227pt_BR
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