نتایج جستجو برای: gastric acid
تعداد نتایج: 843461 فیلتر نتایج به سال:
The present experiment was planned to assess the role of vagus and adrenals in gastric secretion in the pylorus ligated rats. Vagotomy significantly reduced the volume of gastric juice but the reduction following adrenalectomy was not significant. Both vagotomy and adrenalectomy significantly reduced the free acid, total acid and pepsin contents of the gastric secretion, the reduction being mor...
Background & objectives: Gastric cancer has a very wide geographic distribution. Identification of the genetic factors involved in the cancer predisposition is very important. IL-1β as a pro inflammatory cytokine is involved in gastric acid secretion in the H. pylori infected individuals. This study was aimed to evaluate the role of IL-1β-511 polymorphism on the susceptibility to gastric canc...
34 Nesfatin-1, a novel hypothalamic peptide, inhibits nocturnal feeding behavior and 35 gastrointestinal motility in rodents. The effects of nesfatin-1 on gastrointestinal secretory 36 function, including gastric acid production, have not been evaluated. Nesfatin-1 was injected 37 into the 4 intracerebral ventricle (4V) of chronically cannulated rats to identify a nesfatin dose 38 sufficient to...
Gastric secretion of hydrochloric acid requires protons and chloride, yet the mechanisms and regulation of gastric chloride secretion remain unclear. We developed an in vivo technique to simultaneously measure acid/base and chloride secretion into the gastric lumen of anesthetized rats. The cannulated stomach lumen was perfused with weakly pH-buffered chloride-free solution containing a chlorid...
The present studies were designed to examine the effects of ClC-2 ablation on cellular morphology, parietal cell abundance, H/K ATPase expression, parietal cell ultrastructure and acid secretion using WT and ClC-2-/- mouse stomachs. Cellular histology, morphology and proteins were examined using imaging techniques, electron microscopy and western blot. The effect of histamine on the pH of gastr...
Sub chronic exposure to lead in rats slows gastric emptying, but little is known about the effects of lead on gastric secretion. This study was designed to investigate the effects of lead on gastric acid secretion and its possible mechanisms in rats. Lead acetate was dissolved in drinking water in a concentration of 1%. Sodium acetate-containing water with a molar concentration similar to lead ...
Gastric acid contributes to dyspeptic symptoms, including abdominal pain, in patients with disorders of the proximal gastrointestinal tract. To examine the molecular sensor(s) of gastric acid chemonociception, we characterized acid-elicited currents in dorsal root ganglion (DRG) and nodose ganglion (NG) neurons that innervate the stomach and examined their modulation after induction of gastric ...
Nesfatin-1, a novel hypothalamic peptide, inhibits nocturnal feeding behavior and gastrointestinal motility in rodents. The effects of nesfatin-1 on gastrointestinal secretory function, including gastric acid production, have not been evaluated. Nesfatin-1 was injected into the fourth intracerebral ventricle (4V) of chronically cannulated rats to identify a nesfatin dose sufficient to inhibit f...
Objective This work investigated the healing and antisecretory effects of the aqueous extract of Eremomastax speciosa on "unhealed gastric ulcers" associated with gastric acid hypersecretion. Materials and Methods "Unhealed gastric ulcers" were induced using indomethacin following the establishment of acetic-acid-induced chronic gastric ulcers. The extract (200 and 400 mg/kg, per os) was admi...
OBJECTIVES Several clinical factors; overweight, male gender and increasing age, have been implicated as the etiology of hiatal hernia. Esophageal shortening due to acid perfusion in the lower esophagus has been suggested as the etiological mechanism. However, little is known about the correlation between gastric acidity and sliding hiatus hernia formation. This study examined whether increased...
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