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Spontaneous gastric erosions in NOD and KK-A gamma.

Masaharu Nishimura, M Yokoyama, Tetsuya Taguchi, Yukari Kitamura

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Abstract

Histopathological examinations of stomachs of insulin-dependent (NOD) and noninsulin-dependent (KK-A gamma) mice were carried out. Spontaneous erosions in the fundic area were observed in 31% of NOD and 35% of KK-A gamma mice. The morphological features of the erosions were similar to those of erosions produced by stress. Although no erosions were detected in nondiabetic C3H/Slc mice raised and maintained in the same animal room, the presence of hyperglycemia and glycosuria in NOD and KK-A gamma mice did not appear to have a direct correlation with development of erosions. NOD and KK-A gamma mice may be useful animal models for human stress ulcers.

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What this paper is about

Histopathological examinations of stomachs of insulin-dependent (NOD) and noninsulin-dependent (KK-A gamma) mice were carried out. Spontaneous erosions in the fundic area were observed in 31% of NOD and 35% of KK-A gamma mice. The morphological features of the erosions were similar to those of erosions produced by stress. Although no erosions were detected in nondiabetic C3H/Slc mice raised and maintained in the same animal room, the presence of hyperglycemia and glycosuria in NOD and KK-A gamma mice did not appear to have a direct correlation with development of erosions. NOD and KK-A gamma mice may be useful animal models for human stress ulcers.

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Available abstract

Histopathological examinations of stomachs of insulin-dependent (NOD) and noninsulin-dependent (KK-A gamma) mice were carried out. Spontaneous erosions in the fundic area were observed in 31% of NOD and 35% of KK-A gamma mice. The morphological features of the erosions were similar to those of erosions produced by stress. Although no erosions were detected in nondiabetic C3H/Slc mice raised and maintained in the same animal room, the presence of hyperglycemia and glycosuria in NOD and KK-A gamma mice did not appear to have a direct correlation with development of erosions. NOD and KK-A gamma mice may be useful animal models for human stress ulcers.

Key concepts: Nod, Glycosuria, NOD mice, Medicine, Animal model, Pathology, Internal medicine, Diabetes mellitus

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