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Cited by 286

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Rat and human colonic mucins bind to and inhibit adherence lectin of Entamoeba histolytica.

Open access
Chadee, K, Petri, W A, Innes, D J, Ravdin, J I·1987·Journal of Clinical Investigation

Abstract

Establishment of adherence by Entamoeba histolytica is mediated by a 170-kD Gal/GalNAc inhibitable lectin and is required for cytolysis and phagocytosis of mammalian target cells. We studied the biochemical mechanisms of the in vitro interaction between rat and human colonic mucins and axenic E. histolytica trophozoites. Crude mucus prevented amebic adherence to Chinese hamster ovary (CHO) cells by up to 70%. Purification of the colonic mucins by Sepharose 4B chromatography, nuclease digestion, and cesium chloride gradient centrifugation resulted in a 1,000-fold enrichment of the inhibitory mucins. Purified rat mucin inhibited amebic adherence to and cytolysis of homologous rat colonic epithelial cells. Oxidation and enzymatic cleavage of rat mucin Gal and GalNAc residues completely abrogated mucin inhibition of amebic adherence. The binding of rat 125I-mucin to amebae was galactose specific, saturable, reversible, and pH dependent. A monoclonal antibody specific for the 170-kD amebic Gal/GalNAc lectin completely inhibited the binding of rat 125I-mucin. Rat mucin bound to Affigel affinity purified the amebic lectin from conditioned medium. Colonic mucin glycoproteins act as an important host defense by binding to the parasite's adherence lectin, thus preventing amebic attachment to and cytolysis of host epithelial cells.

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Metadata

Authors
Chadee, K., Petri, W. A., Innes, D. J., & Ravdin, J. I.
Venue
Journal of Clinical Investigation
Published
1987-11-01
Volume
80
Issue
5
Pages
1245-1254
ISSN
0021-9738 (ISSN-L)
OpenAlex
W1995980810
Cited by
286
References
1
FWCI
8.32
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Rat and human colonic mucins bind to and inhibit adherence lectin of Entamoeba histolytica. https://app.cochat.ai/papers/10.1172/jci113199
The paper
Chadee, K., Petri, W. A., Innes, D. J., & Ravdin, J. I. (1987). Rat and human colonic mucins bind to and inhibit adherence lectin of Entamoeba histolytica. Journal of Clinical Investigation. https://doi.org/10.1172/jci113199

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.