Document Detail


Simple animal model of Helicobacter pylori infection.
MedLine Citation:
PMID:  24914363     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Helicobacter pylori (H. pylori) has become accepted as a human pathogen for the development of gastritis and gastroduodenal ulcer. To develop a simple rat model of chronic H. pylori infection, male Sprague-Dawley rats were pretreated with streptomycin suspended in tap water (5 mg/mL) for 3 d. The rats were inoculated by gavage at 1 mL/rat with H. pylori suspension (5 × 10(8)-5 × 10(10) CFU/mL) twice daily at an interval of 4 h for three consecutive days. Two weeks after inoculation, rats were sacrificed and the stomachs were removed. Antral biopsies were performed for urease test and the stomachs were taken for histopathology. Successful H. pylori inoculation was defined as a positive urease test and histopathology. We reported a 69.8%-83.0% success rate for H. pylori infection using the urease test, and hematoxylin and eosin staining confirmed the results. Histopathological analysis detected bacteria along the mucous lining of the surface epithelium and crypt lumen and demonstrated mild to moderate gastric inflammation in successfully inoculated rats. We developed a simple rat model of chronic H. pylori infection for research into gastric microcirculatory changes and therapy with plant products.
Authors:
Duangporn Werawatganon
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Publication Detail:
Type:  REVIEW    
Journal Detail:
Title:  World journal of gastroenterology : WJG     Volume:  20     ISSN:  2219-2840     ISO Abbreviation:  World J. Gastroenterol.     Publication Date:  2014 Jun 
Date Detail:
Created Date:  2014-6-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100883448     Medline TA:  World J Gastroenterol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  6420-6424     Citation Subset:  -    
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