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Suppurative gastritis in BALB/c mice infected with Listetia monocytogenes via the intragastric route

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Park, JH; Park, YH; Seok, SH; Cho, SA; Kim, DJ; Lee, HY; Kim, SH; Park, JH

Issue Date
W. B. Saunders Co., Ltd.
Journal of Comparative Pathology, Vol.130 No.2-3, pp.130-136
Suppurative gastritis was demonstrated in BALB/c mice 3 days after intragastric inoculation with 109 organisms of Listeria monocytogenes strain ATCC19113 (serotype 3). Also tested were four other strains of mice (OH, C57BL/6, FVB and ICR) and three other strains of L. monocytogenes (HPB 3 [serotype 4b], HPB 410 [serotype 1/2a] and HPB 503 [serotype 1/2b]). After inoculation with ATCC19113 the numbers of bacteria found in the stomach wall were greater in C57BL/6 and ICR mice than in OH and FVB mice; moreover, the gastritis produced in BALB/c and C57BL/6 mice was more severe than that produced in the other mouse strains. The gastritis produced in BALB/c mice with L. monocytogenes HPB 3, HPB 410 and HPB 503 was much more severe than that produced by ATCC19113. The inflammatory response occurred in the lamina muscularis and mucosa of the fundus. Massive necrosis of the gastric epithelium was observed, and there was oedema in a large part of the mucosal layer of the fundus. In addition, the submucosal layer was apparently expanded due to oedema, and in the cardia, the mucosal layer had become thin and flattened. Immunohistochemically, a polyclonal antibody against Listeria spp. produced labelling in areas of the gastric mucosa in which there was an inflammatory response and gastric epithelial necrosis. (C) 2003 Elsevier Ltd. All rights reserved.
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  • College of Veterinary Medicine
  • Department of Veterinary Medicine
Research Area Laboratory Animal Medicine, Toxicologic Pathology


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