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  • Title: Expression of trefoil peptides in the subtypes of intestinal metaplasia.
    Author: Kim BW, Kim KM, Lee BI, Maeng LS, Choi H, Cho SH, Chae HS, Kim JK, Choi KY, Chung IS.
    Journal: Peptides; 2004 May; 25(5):779-83. PubMed ID: 15177872.
    Abstract:
    We studied the expression of trefoil peptides in the different types of intestinal metaplasia of the stomach. Endoscopic biopsy was performed in 132 patients with dyspepsia. Intestinal metaplasia subtype was classified according to the pattern of alcian blue/PAS staining and high iron diamine staining. Expression of trefoil peptides was measured by immunohistochemistry. TFF1 and TFF3 were mainly expressed in goblet cells and TFF2 in columnar cells in all the types of intestinal metaplasia. There was a gradual decrease of TFF1 and TFF3, and increase of TFF2, during the progression of intestinal metaplasia from type I to type III via the type II intermediate.
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