ABH and Lewis antigen distributions in blood, saliva and gastric mucosa and Hpylori infection in gastric ulcer patients

ABH and Lewis antigen distributions in blood, saliva and gastric mucosa and Hpylori infection in gastric ulcer patients

AIM： TO investigate the ABH and Lewis antigen expression in erythrocytes, saliva and gastric epithelium, as well as the association between H pylori and the presence of gastric epithelial lesions. METHODS： The distribution of ABH and Lewis blood group antigens in erythrocytes, saliva and gastric muc...

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Veröffentlicht in:World journal of gastroenterology : WJG 2006, Vol.12 (7), p.1120-1124
1. Verfasser: Luisa Caricio Martins Tereza Cristina de Oliveira Corvelo Henrique Takeshi Oti Rosane do Socorro Pompeu Loiola Delia Cristina Figueira Aguiar Katarine Antonia dos Santos Barile Renata Kelly Costa do Amaral Hivana Patricia Melo Barbosa Amanda Alves Fecury Juciclayton Tavares de Souza
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Sprache:eng
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唾液
幽门螺杆菌
抗原
胃黏膜
血液
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container_title World journal of gastroenterology : WJG
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creator Luisa Caricio Martins Tereza Cristina de Oliveira Corvelo Henrique Takeshi Oti Rosane do Socorro Pompeu Loiola Delia Cristina Figueira Aguiar Katarine Antonia dos Santos Barile Renata Kelly Costa do Amaral Hivana Patricia Melo Barbosa Amanda Alves Fecury Juciclayton Tavares de Souza
description AIM： TO investigate the ABH and Lewis antigen expression in erythrocytes, saliva and gastric epithelium, as well as the association between H pylori and the presence of gastric epithelial lesions. METHODS： The distribution of ABH and Lewis blood group antigens in erythrocytes, saliva and gastric mucosa of Hpylori-infected gastric ulcer patients was analyzed. Forty-two patients with gastric ulcer were studied, and fifty healthy individuals were used as control group. The blood group antigens were determined by direct hemagglutination, dot-ELISA and immunohistochemi- cal methods in erythrocytes, saliva and gastric mucosa specimens, respectively. Diagnosis for H pylori infection was performed by conventional optical microscopy and ELISA. RESULTS： A higher seroprevalence of IgG H pylori specific antibodies was observed in gastric ulcer patients （90%） compared to the control group （60%）. We observed a significant increase of phenotypes O, A2 and Lewis b in H pylori-infected patients. The expression of these antigens had progressive alterations in areas of ulcerous lesions and intestinal metaplasia. CONCLUSION： ABH and Lewis blood group antigens are a good indicator for cellular alterations in the gastric epithelium.
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subjects 唾液
幽门螺杆菌
抗原
胃黏膜
血液
title ABH and Lewis antigen distributions in blood, saliva and gastric mucosa and Hpylori infection in gastric ulcer patients
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