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Gastric Histopathology and Serum Levels of Gastric Peptides according to Types of Helicobacter Pylori in Patients with Functional Dyspepsia / 대한소화기내시경학회지
Article de Ko | WPRIM | ID: wpr-69079
Bibliothèque responsable: WPRO
ABSTRACT
BACKGROUND/AIMS: Clinical isolates of Helicobacter pylori (H. pylori) can be divided into at least two major types. Type I bacteria express VacA (vacuolating cytotoxin) and CagA (cytotoxin-associated antigen), type II bacteria do not exp~ress VacA or CagA. The purpose of this study is to evaluate the changes of gastric histology and serum level of gastric peptides (gastrin and pepsinogen) according to the bacteriological types in H. pylori infection. METHODS: In patients with H. pylori-positive functional dyspepsia, we classified the type of infection serologically by detecting IgG antibodies to CagA and VacA. Each patient was also evaluated for the degree of gastric inflammation and serum concentrations of gastrin and pepsinogen (PG). IgG antibodies to these proteins and concentrations of gastrin and PG were detected by using a immuno-blot kit and a radioimmunoassay kit, respectively, from the sera of each patient. From endoscopically biopsied antral specimens, the degree of gastric inflammation was evaluated by scoring inflammatory changes.
Sujet(s)
Mots clés
Texte intégral: 1 Indice: WPRIM Sujet Principal: Peptides / Bactéries / Immunoglobuline G / Gastrines / Dosage radioimmunologique / Helicobacter pylori / Helicobacter / Pepsinogène A / Dyspepsie / Inflammation Limites du sujet: Humans langue: Ko Texte intégral: Korean Journal of Gastrointestinal Endoscopy Année: 1998 Type: Article
Texte intégral: 1 Indice: WPRIM Sujet Principal: Peptides / Bactéries / Immunoglobuline G / Gastrines / Dosage radioimmunologique / Helicobacter pylori / Helicobacter / Pepsinogène A / Dyspepsie / Inflammation Limites du sujet: Humans langue: Ko Texte intégral: Korean Journal of Gastrointestinal Endoscopy Année: 1998 Type: Article