نتایج جستجو برای: intestinal epithelium
تعداد نتایج: 172208 فیلتر نتایج به سال:
The pathology of Crohn's disease and ulcerative colitis is characterized by chronic inflammation and destruction of the gastrointestinal epithelium. Although suppression of inflammatory mediators remains the principle component of current disease therapeutics, strategies for enhancing repair and regeneration of the compromised intestinal epithelium have not been widely explored. The demonstrati...
Barrett’s esophagus (BE) is defined as columnar metaplasia of esophageal squamous epithelium, of any length, that can be recognized at endoscopy, and is confirmed to have intestinal metaplasia (goblet cells) by mucosal biopsy analysis of the tubular esophagus (1). By definition, this disease does not include intestinal metaplasia of the cardia. Thus, the current definition of BE includes indivi...
Background: Urachal remnants are fairly common. Patients may display urachal disease, or urachal remnants may represent an incidental finding. These lesions are more common in the pediatric population, and may give rise to malignant tumors, essentially adenocarcinomas, in adults mainly. Aim: To study the prevalence of intestinal-type epithelium in pediatric and adult urachal remnants. Materials...
BACKGROUND In normal gastric epithelium, MUC5AC is detected in superficial epithelium associated with Lewis type 1 antigens and MUC6 is detected in antral glands with Lewis type 2. Therefore, the stomach constitutes an excellent model to examine the role of glycosyltransferases in determining the specificity of apomucin glycosylation. AIMS To determine the molecular basis of this association ...
The intestinal epithelium is dynamic, with proliferation of undifferentiated crypt cells balanced by terminal differentiation and cell death at the colon surface or small intestinal villus tips. Cyclic AMP, induced by agonists such as prostaglandin E(2) and vasoactive intestinal polypeptide, promotes proliferation and ion secretion and suppresses apoptosis in intestinal epithelial cells. Here, ...
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