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Zentralbl Bakteriol. 1993 Sep;280(1-2):28-37.

Animal models of bacterial gastritis: the role of host, bacterial species and duration of infection on severity of gastritis.

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  • 1Dept. of Veterinary Pathobiology, Ohio State University, Columbus 43210.


Gastric bacteria from cheetahs with gastritis were used to inoculate specific-pathogen free kittens and conventional mice. Helicobacter sp. and Gastrospirillum sp. colonized kittens, while only Gastrospirillum sp. colonized mice. In kittens, both bacterial species induced mild lymphofolliclar gastritis which did not change over the course of the 11 months observation period. In mice, Gastrospirillum sp. induced lymphoplasmacytic and follicular gastritis which increased in severity over 6 months and persisted for the 12 month observation period. Gastric ulcers and gastric mucosal hypertrophy were present in chronically infected mice. These results indicate that host but not bacterial factors influence the severity of gastritis, and that in mice, bacterial gastritis increases in severity with time and may lead to gastric ulceration in some individuals.

[PubMed - indexed for MEDLINE]
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