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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
3
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pubmed:dateCreated |
1992-2-26
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pubmed:abstractText |
When an IgG2c monoclonal antibody specific for Trichinella spiralis muscle stage larvae was cleaved with pepsin to yield F(ab')2 fragments, the latter retained their capacity to cause mucus entrapment and rapid expulsion of larvae from the intestines of suckling rats. When fed to pups, the F(ab')2 fragments of this antibody and the F(ab')2 fragments of a similarly prepared IgG2a antibody caused mucus entrapment of muscle larvae (ML), demonstrating that trapping is not dependent upon the Fc region of the antibody molecule. Despite the fact that these two antibodies had similar specificities and that their F(ab')2 fragments caused larval entrapment in mucus, F(ab')2 fragments of the IgG2a antibody failed to protect rat pups. Fragments of the IgG2c antibody caused rapid expulsion when injected into pups, but the distribution of larvae was dramatically different from when the fragments were delivered orally. These results indicate that entrapment of T. spiralis in mucus is not in itself the cause of the expulsion. The more likely possibility is that antibody impedes a function of Trichinella spiralis that is related to the capacity of the parasite to reside in its epithelial niche.
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/1769702-1248870,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1769702-2354857,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1769702-3209237,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1769702-3499383,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1769702-3570473,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1769702-3989746,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1769702-4040119,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1769702-6175245,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1769702-6266278,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1769702-6474191,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1769702-6644029,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1769702-6665320,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1769702-6735469,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1769702-7080917,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1769702-7298075,
http://linkedlifedata.com/resource/pubmed/commentcorrection/1769702-886184
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Nov
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pubmed:issn |
0019-2805
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
74
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
552-8
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pubmed:dateRevised |
2009-11-19
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pubmed:meshHeading |
pubmed-meshheading:1769702-Animals,
pubmed-meshheading:1769702-Antibodies, Helminth,
pubmed-meshheading:1769702-Female,
pubmed-meshheading:1769702-Host-Parasite Interactions,
pubmed-meshheading:1769702-Immunoglobulin Fab Fragments,
pubmed-meshheading:1769702-Immunoglobulin Fc Fragments,
pubmed-meshheading:1769702-Intestines,
pubmed-meshheading:1769702-Mucus,
pubmed-meshheading:1769702-Rats,
pubmed-meshheading:1769702-Rats, Inbred Strains,
pubmed-meshheading:1769702-Trichinella,
pubmed-meshheading:1769702-Trichinellosis
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pubmed:year |
1991
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pubmed:articleTitle |
The role of the antibody Fc region in rapid expulsion of Trichinella spiralis in suckling rats.
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pubmed:affiliation |
James A. Baker Institute for Animal Health, Dept. of Microbiology, Immunology and Parasitology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853.
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pubmed:publicationType |
Journal Article
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