Abstract
PAP Immunohistochemical technique was used to detect the expression and distribution of EGF-R in gastric mucosa in portal hypertensive pigs with cirrhosis. Our result showed that the EGF-R content in gastric mucosa of portal hypertensive pigs was significantly lower than that in control group. Microscopically, the portal hypertension (PHT) group imparted "feeble positivity" or "negative results" and the control group showed "strong positivity". It was suggested that the decrease of EGF-R content in gastric mucosa weakened defense mechanism of gastric mucosa and increase its vulnerability. It is believed that the decreased EGF-R in gastric mucosa is ascribed to the lesions of gastric mucosa during PHT with cirrhosis.
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