NDLI: Binding of FITC-labelled lectins to the gastrointestinal epithelium of the rat

Content Provider	Springer Nature Link
Author	Baintner, Károly Jakab, Gábor Gyôri, Zsuzsa Kiss, Péter
Copyright Year	2000
Abstract	Biotechnology uses lectin genes to transfect into crop plants for protection against insects and nematodes. On the other hand, the information is limited on lectin-binding properties of cells in the gastrointestinal tract. Therefore, binding of a panel of FITC-labelled plant lectins to gastrointestinal cells of the rat was studied. In the stomach, cytoplasmic staining of parietal cells by PHA appeared to be due to glycoproteins attached to the tubulovesicles. PNA also stained the parietal cells, but only in the isthmus and neck regions, reacting with desialylated glycoproteins. WGA bound to the mucous neck cells with higher affinity than to the surface and foveolar mucous cells. The mucous cells were also stained by SNA-I, UEA-I and, less intensively, by LCA. Chief cells did not show detectable reaction with any of the applied lectins. Binding of PHA to gastric cells showed differences when compared with the results of in vivo studies. Small intestinal brush border was stained with UEA-I and SNA-I, the latter lectin also strongly stained the surface of small intestinal crypts. Both lectins reacted with the mucus of goblet cells. In the large intestine UEA-I and SNA-I stained the goblet cells at the base and upper part of the crypts, respectively. Accordingly, we provided evidences for the unique lectin-binding phenotype of the various segments of the gastrointestinal tract.
Starting Page	179
Ending Page	183
Page Count	5
File Format	PDF
ISSN	12194956
Journal	Pathology & Oncology Research
Volume Number	6
Issue Number	3
Language	English
Publisher	Springer Netherlands
Publisher Date	2000-01-01
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	rat gut stomach lectin ConA LCA PHA RPA PNA WGA SNA UEA Cancer Research Oncology Pathology Immunology Biomedicine general
Content Type	Text
Resource Type	Article
Subject	Cancer Research Pathology and Forensic Medicine Oncology

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