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Eur J Clin Invest. 1988 Apr;18(2):196-201.

Changes in the lectin-binding pattern of PNA-agglutinin and UEA1 during the DMH-induced carcinogenesis in the normal appearing colonic mucosa of the rat.

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  • 1Klinikum Steglitz, Department of Gastroenterology, Berlin, FRG.

Abstract

The purpose of this study was the investigation of changes in the lectin-binding pattern prior to tumour formation in an experimental model. Female Wistar rats were treated with 1,2-dimethylhydrazine (DMH). After 4, 8, 16, 24, 32 and 40 weeks of treatment the lectin-binding-pattern of the colonic mucosa appearing morphologically normal was examined at the caecum, proximal colon, distal colon and rectum, using FITC-conjugated Peanut-agglutinin (PNA) and Ulex europaeus-agglutinin1 (UEA1). In contradistinction to what has been reported earlier by other authors, PNA did not indicate constant cancer-associated mucin changes. In addition, there was no difference in the UEA1-binding between the control animals and the DMH-treated rats. Thus, in the rat there is no specific PNA- and UEA1-binding pattern during tumour induction in the gut.

PMID:
3133225
[PubMed - indexed for MEDLINE]

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