نتایج جستجو برای: pepsinogen ii
تعداد نتایج: 581088 فیلتر نتایج به سال:
Aim. Chronic gastritis was assessed serologically, endoscopically and histologically to identify correlations between these methods. Methods. Subjects comprised 319 patients who had provided informed consent. Serological assessment of chronic gastritis was based on the pepsinogen test method. Endoscopic gastritis and histological gastritis were assessed and scored according to the Kimura-Takemo...
Pepsinogen, the precursors of pepsin, is classified into two subtypes: pepsinogen I (PG I) and pepsinogen II (PG II). Patients with impaired renal function are associated with elevated concentrations of serum pepsinogen. Contradictory results have been reported about the effect of dialysis on the serum pepsinogen levels, as the previous studies were conducted only in a particular period of dial...
OBJECTIVE Ghrelin is mainly secreted by the gastric oxyntic mucosa and its production is impaired in chronic atrophic gastritis. This study aimed at evaluating how serum total ghrelin correlates with the extent of atrophy, and to compare its performance as a serologic marker with that of pepsinogen (PG). MATERIAL AND METHODS Data were collected from 154 patients with atrophic gastritis. The h...
Gastric cancer is a heterogeneous disorder; genetic factors, H. pylori infection and various environmental factors contribute to its development. Advanced atrophic corpus-predominant gastritis provides the histological base for its genesis. Low socio-economic status and poor hygienic conditions, smoking habits, heavy alcohol consumption, high salt and low intake of vegetables and fruits are imp...
The relation between Helicobacter pylori (H pylori) infection and fasting gastrin and pepsinogen-I and -II concentrations was evaluated in 278 volunteers without symptoms and the results were compared with the values obtained in 35 patients with duodenal ulcers. H pylori infection was determined with the 13C-urea breath test in subjects without symptoms and with endoscopy, biopsy (histology and...
Background Gastric cancer is the fifth most common malignancy in the world with almost one million new cases annually. Helicobacter pylori infection causes 89% of all gastric cancers. Premalignant lesions (atrophy and intestinal metaplasia) develop after several decades of inflammation. Secondary prevention with gastroscopy is possible, but it is costly and has a low compliance rate. Alternativ...
BACKGROUND/AIMS The characteristics of pepsinogen screening for gastric cancer were investigated to establish a suitable cut off point for identifying gastric cancer, using endoscopic diagnosis as the yardstick. SUBJECTS/METHODS Serum pepsinogen concentrations were measured in 5113 subjects who were also screened for gastric cancer by endoscopy. The cut off point for pepsinogen was determined...
Pepsinogen C, also known as progastricsin or pepsinogen II, is an aspartic protease expressed primarily in gastric chief cells. Prior microarray studies of an in vitro model of type 2 cell differentiation indicated that pepsinogen C RNA was highly induced, comparable to surfactant protein RNA induction. Using second-trimester human fetal lung, third-trimester postnatal and adult lung, and a mod...
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