目的观察小檗碱对胃溃疡小鼠胃黏膜血管活性物质一氧化氮，一氧化氮合酶以及内皮素含量的影响。

ObjectiveTo observe the influence of berberine on vasoactive substances of gastric mucous coat, including nitric oxide, nitric oxide synthase and endothelin in mice with gastric ulcer.

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目的：探讨内皮素- 3和星形胶质细胞在糖尿病小鼠脑缺血再灌注损伤中的作用机制。

AIM: To explore the role of endothelin (et) 3 and astrocytes in cerebral ischemia reperfusion injury in diabetic mice.

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结论：糖尿病是脑缺血再灌注损伤重要因素之一；内皮素- 3和星形胶质细胞激活可能是糖尿病小鼠神经细胞损伤加重恶化的机制之一。

CONCLUSION: Diabetes is one of the important causes of cerebral ischemia reperfusion injury, and et 3 and activated astrocytes may worsen the neural injuries in diabetic mice.

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