Abo blood groups and helicobacter pylori cagA infection: Evidence of an association

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorFUNFARME-
Autor(es): dc.contributorFAMERP-
Autor(es): dc.creatorMattos, D. E.-
Autor(es): dc.creatorCintra, J. R.-
Autor(es): dc.creatorBrandão de Mattos, C. C.-
Autor(es): dc.creatorNakashima, F.-
Autor(es): dc.creatorSilva, R. C.M.A.-
Autor(es): dc.creatorMoreira, H. W.-
Autor(es): dc.creatorde Mattos, L. C.-
Data de aceite: dc.date.accessioned2025-08-21T15:38:16Z-
Data de disponibilização: dc.date.available2025-08-21T15:38:16Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2010-01-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1590/S1678-91992010005000004-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/225825-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/225825-
Descrição: dc.descriptionDiseases resulting from Helicobacter pylori infection appear to be dependent on a host of genetic traits and virulence factors possessed by this microorganism. This paper aimed to investigate the association between the ABO histo-blood groups and H. pylori cagA infections. Genomic DNA samples (n = 110) of gastric biopsies obtained from patients with endoscopic diagnosis of peptic ulcers (n = 25) and chronic active gastritis (n = 85) were analyzed by PCR using specific primers for the cagA gene. Of the samples, 66.4% (n = 73) tested positive and 33.6% (n = 37) negative for the gene. The cagA strain was predominant in peptic ulcers (n = 21; 84.0%) compared with chronic active gastritis (n = 52; 61.2%) (p = 0.05; OR 3.332; 95% CI: 1.050-10.576). Additionally, the cagA strain was prevalent in the type O blood (48/63; 76.2%) compared with other ABO phenotypes (25/47; 53.2%) (p = 0.01; OR 2.816; 95% CI: 1.246-6.364). These results suggest that H. pylori cagA infection is associated with the O blood group in Brazilian patients suffering from chronic active gastritis and peptic ulcers.-
Descrição: dc.descriptionClinical Analysis Department School of Pharmaceutical Sciences São Paulo State University UNESP, Araraquara, São Paulo State-
Descrição: dc.descriptionRegional Blood Center of São José do Rio Preto Regional Medical School Foundation FUNFARME, São José do Rio Preto, São Paulo State-
Descrição: dc.descriptionImmunogenetics Laboratory Molecular Biology Department São José do Rio Preto Medical School FAMERP, São José do Rio Preto, São Paulo State-
Descrição: dc.descriptionBiology Department Institute of Biosciences Letters and Exact Sciences São Paulo State University UNESP, São José do Rio Preto, São Paulo State-
Descrição: dc.descriptionSpecialized Gastroenterology Laboratory Base Hospital FUNFARME, São José do Rio Preto, São Paulo State-
Descrição: dc.descriptionClinical Analysis Department School of Pharmaceutical Sciences São Paulo State University UNESP, Araraquara, São Paulo State-
Descrição: dc.descriptionBiology Department Institute of Biosciences Letters and Exact Sciences São Paulo State University UNESP, São José do Rio Preto, São Paulo State-
Formato: dc.format87-95-
Idioma: dc.languageen-
Relação: dc.relationJournal of Venomous Animals and Toxins Including Tropical Diseases-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectABO blood groups-
Palavras-chave: dc.subjectCagA strain-
Palavras-chave: dc.subjectChronic active gastritis-
Palavras-chave: dc.subjectH. pylori infection-
Palavras-chave: dc.subjectPeptic ulcers-
Título: dc.titleAbo blood groups and helicobacter pylori cagA infection: Evidence of an association-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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