Abstract
Background: Fengliao-Changwei-Kang(FCK), Chinese patent drug, is a famous traditional Chinese herbal medicine formula, which is effectively used to cure gastrointestinal disease including gastritis, enteritis and diarrhea in the clinic for many years. However, little research has been focused on the protective effects of FCK on the gastric mucosa of chronic gastritis (CG) model rat.
 Objective: The present study aimed to explore the effects of FCK extract on mucosa in rats with Chronic Gastritis.
 Materials and Methods: The CG rat model was induced by synthetic methods. The serum levels of EGF was measured by enzyme linked immunosorbent assay(ELISA) method, the expression of growth factor receptor (EGFR) in gastric mucosa was detected by immunohistochemical method, the mRNA expressions of NF-κB p65 was detected in-situ hybridization.
 Results: In the model group, the inflammation grades of gastric mucosa and the expressions of NF-κB p65 mRNA in gastric mucosa were markedly higher than those of the control group (P0.05).
 Conclusions: FCK extract could alleviate mucosal inflammation by down regulating the expressions of NF-κB p65 mRNA and promote tissue repair by up regulating EGFR expression in gastric mucosa cell.
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