Differences in virulence markers between Helicobacter pylori strains from the Brazilian Amazon region
Autor(a) principal: | |
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Data de Publicação: | 2013 |
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=S0037-86822013000300358 |
Resumo: | Introduction This study compares virulence markers of Helicobacter pylori isolated from patients in 2 cities in the Brazilian Amazon. Methods The study analyzed 168 patients with chronic gastritis from Belém and 151 from Bragança, State of Pará, Brazil. Levels of bacterial DNA associated with cagA and vacA alleles were checked by PCR, and hematoxylin-eosin staining was used for histologic diagnosis. Results In Bragança 87% of patients were genotype s1m1 cagA-positive (s1m1 cagA+), compared with 76% in Belém. In samples from patients in both cities, there was an association between s1m1 cagA+ strains and gastric mucosal damage. Conclusions Both cities have a high frequency of s1m1 cagA+ strains of H. pylori. |
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Differences in virulence markers between Helicobacter pylori strains from the Brazilian Amazon regionHelicobacter pyloriVacuolating cytotoxinCytotoxin-associated Introduction This study compares virulence markers of Helicobacter pylori isolated from patients in 2 cities in the Brazilian Amazon. Methods The study analyzed 168 patients with chronic gastritis from Belém and 151 from Bragança, State of Pará, Brazil. Levels of bacterial DNA associated with cagA and vacA alleles were checked by PCR, and hematoxylin-eosin staining was used for histologic diagnosis. Results In Bragança 87% of patients were genotype s1m1 cagA-positive (s1m1 cagA+), compared with 76% in Belém. In samples from patients in both cities, there was an association between s1m1 cagA+ strains and gastric mucosal damage. Conclusions Both cities have a high frequency of s1m1 cagA+ strains of H. pylori. Sociedade Brasileira de Medicina Tropical - SBMT2013-06-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822013000300358Revista da Sociedade Brasileira de Medicina Tropical v.46 n.3 2013reponame:Revista da Sociedade Brasileira de Medicina Tropicalinstname:Sociedade Brasileira de Medicina Tropical (SBMT)instacron:SBMT10.1590/0037-8682-1290-2013info:eu-repo/semantics/openAccessSilva Junior,Mario Ribeiro daVinagre,Ruth Maria Dias FerreiraSilva,Adenielson Vilar eOliveira,Claudia Suellen Ferro deSantos,Kemper Nunes doCosta,Renata Aparecida Andrade daFecury,Amanda AlvesCorvelo,Tereza Cristina de OliveiraQuaresma,Juarez Antonio SimoesMartins,Luisa Caricioeng2013-07-05T00:00:00Zoai:scielo:S0037-86822013000300358Revistahttps://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:2013-07-05T00:00Revista da Sociedade Brasileira de Medicina Tropical - Sociedade Brasileira de Medicina Tropical (SBMT)false |
dc.title.none.fl_str_mv |
Differences in virulence markers between Helicobacter pylori strains from the Brazilian Amazon region |
title |
Differences in virulence markers between Helicobacter pylori strains from the Brazilian Amazon region |
spellingShingle |
Differences in virulence markers between Helicobacter pylori strains from the Brazilian Amazon region Silva Junior,Mario Ribeiro da Helicobacter pylori Vacuolating cytotoxin Cytotoxin-associated |
title_short |
Differences in virulence markers between Helicobacter pylori strains from the Brazilian Amazon region |
title_full |
Differences in virulence markers between Helicobacter pylori strains from the Brazilian Amazon region |
title_fullStr |
Differences in virulence markers between Helicobacter pylori strains from the Brazilian Amazon region |
title_full_unstemmed |
Differences in virulence markers between Helicobacter pylori strains from the Brazilian Amazon region |
title_sort |
Differences in virulence markers between Helicobacter pylori strains from the Brazilian Amazon region |
author |
Silva Junior,Mario Ribeiro da |
author_facet |
Silva Junior,Mario Ribeiro da Vinagre,Ruth Maria Dias Ferreira Silva,Adenielson Vilar e Oliveira,Claudia Suellen Ferro de Santos,Kemper Nunes do Costa,Renata Aparecida Andrade da Fecury,Amanda Alves Corvelo,Tereza Cristina de Oliveira Quaresma,Juarez Antonio Simoes Martins,Luisa Caricio |
author_role |
author |
author2 |
Vinagre,Ruth Maria Dias Ferreira Silva,Adenielson Vilar e Oliveira,Claudia Suellen Ferro de Santos,Kemper Nunes do Costa,Renata Aparecida Andrade da Fecury,Amanda Alves Corvelo,Tereza Cristina de Oliveira Quaresma,Juarez Antonio Simoes Martins,Luisa Caricio |
author2_role |
author author author author author author author author author |
dc.contributor.author.fl_str_mv |
Silva Junior,Mario Ribeiro da Vinagre,Ruth Maria Dias Ferreira Silva,Adenielson Vilar e Oliveira,Claudia Suellen Ferro de Santos,Kemper Nunes do Costa,Renata Aparecida Andrade da Fecury,Amanda Alves Corvelo,Tereza Cristina de Oliveira Quaresma,Juarez Antonio Simoes Martins,Luisa Caricio |
dc.subject.por.fl_str_mv |
Helicobacter pylori Vacuolating cytotoxin Cytotoxin-associated |
topic |
Helicobacter pylori Vacuolating cytotoxin Cytotoxin-associated |
description |
Introduction This study compares virulence markers of Helicobacter pylori isolated from patients in 2 cities in the Brazilian Amazon. Methods The study analyzed 168 patients with chronic gastritis from Belém and 151 from Bragança, State of Pará, Brazil. Levels of bacterial DNA associated with cagA and vacA alleles were checked by PCR, and hematoxylin-eosin staining was used for histologic diagnosis. Results In Bragança 87% of patients were genotype s1m1 cagA-positive (s1m1 cagA+), compared with 76% in Belém. In samples from patients in both cities, there was an association between s1m1 cagA+ strains and gastric mucosal damage. Conclusions Both cities have a high frequency of s1m1 cagA+ strains of H. pylori. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-06-01 |
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=S0037-86822013000300358 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822013000300358 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/0037-8682-1290-2013 |
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.46 n.3 2013 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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