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  • Title: Establishment of an animal model of chronic atrophic gastritis and a study on the factors inducing atrophy.
    Author: Si J, Zhou W, Wu J, Cao Q, Xiang Z, Jiang L, Lü W, Huang H.
    Journal: Chin Med J (Engl); 2001 Dec; 114(12):1323-5. PubMed ID: 11793864.
    Abstract:
    OBJECTIVE: To establish a rat model of chronic atrophic gastritis and explore the factors inducing atrophy. METHODS: In accordance with repeated orthogonal design of L8(2(7)), 60% alcohol and 20 mmol/L sodium deoxycholate (served as factor A), 0.05%-0.1% ammonia water (factor B), 0.05% indomethacin (factor C) were given, alone or in combination, to rats in three experiments for 3 months, 6 months or 9 months respectively. Then the rats were dissected, and their pathologic changes of the gastric mucosa were assessed. RESULTS: Typical signs of chronic atrophic gastritis (CAG) were found in all rats which were treated with factor A, B, C alone or in combination for 6 or 9 months. No significant difference of pathologic changes of gastric mucosa was found between the rats treated for 6 months and those for 9 months. No obvious CAG signs were found in the rats treated with factor A, B, C for 3 months. CONCLUSION: Sixty percent of alcohol, 20 mmol/L sodium deoxycholate, 0.05%-0.1% ammonia water and 0.05% indomethacin given to Sprague-Dawley rats for 6 months can successfully establish the animal model of CAG. Prolongation of the model-establishment time is not able to further facilitate the atrophy of gastric mucosa.
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