幽门螺杆菌抑制大鼠乙酸胃溃疡愈合的机制

摘要

目的 研究幽门螺杆菌抑制大鼠乙酸胃溃疡愈合的机制.方法 用幽门螺杆菌感染Wistar大鼠,4周后复制出乙酸胃溃疡模型,在溃疡模型复制后的3、8、16天测定胃窦部黏膜G细胞、D细胞的数目、胃液量和pH.结果 Hp+乙酸溃疡组G细胞数目、胃液量高于乙酸溃疡组(P<0.01);D细胞的数目和pH低于乙酸溃疡组(P<0.01).结论 幽门螺杆菌通过增加胃酸分泌抑制溃疡愈合.%Objective To study the mechanism of Helicobacter Pylori inhibiting the healing of acetic acid - induced gastric ulcer in rats. Methods Rats were infected with Helicobacter Pylori and the model of acetic acid gastric ulcer was replicated at 4 weeks after in-fection. Amount of G cell and D cell in mucosa of gastric antrum, quantity of gastric juice and pH were measured at the 3rd,Sth, 16th day after the model was replicated. Results When the group of Hp + acetic acid ulcer compared with the group of acetic acid ulcer, the number of G cell, quantity of gastric juice increased (P < 0.01), and the number of D cell and pH decreased (P < 0.01). Conclusion Helicobacter Pylori inhibits ulcer healing through increasing gastric acid secretion.