It is suggested that DU is probably caused by the hypersecretion of gastric acid, and GU by the deteriorated function of the gastric mucosal barrier.

DU和GU发生机制不同，DU的发生可能与高胃酸分沁量有关，而GU则可能由胃粘膜屏障机能减退所致。

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The mechanism of the cytoprotection of atropine is considered to increase gastric barrier mucus and that of humic acid is unknown.

阿托品的细胞保护作用可能与增加胃粘膜屏障粘液量有关，而腐植酸的作用机理尚不清楚。

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METHODS:In restraint water-immersion rats, gastric mucosal lesions, gastric mucosal glutathione (GSH) content, gastric acid secretion and gastric barrier mucus secretion were examined.

方法：利用大鼠浸水应激性胃溃疡模型，观察腹注盐酸半胱氨酸对胃溃疡指数、胃粘膜谷胱甘肽（GSH）含量、胃酸分泌和胃粘液分泌的影响。

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