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. 1988 Nov;65(3):487–492.

Rapid expulsion of Trichinella spiralis in suckling rats: mediation by monoclonal antibodies.

J A Appleton 1, L R Schain 1, D D McGregor 1
PMCID: PMC1385491  PMID: 3209237

Abstract

Pups born to rats immunized with the excretory/secretory antigens (ESA) of Trichinella spiralis L1 larvae expressed rapid expulsion when challenged orally. Rat monoclonal antibodies specific for ESA were produced and tested for their specificity in Western blots, binding to intact larvae and protective capacity in suckling rats. Eight antibodies had apparently identical specificity in Western blots, each recognizing a polypeptide family that included three molecular weight species sized at 41,000-50,000 MW. These polypeptides formed a series of higher molecular weight aggregates that were also bound by the monoclonal antibodies. Four of eight antibodies were protective when serially transferred to suckling pups. Each protective antibody was able to bind to intact larvae. Antibodies of two subclasses, IgG1 and IgG2c, were strongly protective, delivering to pups the capacity to expel as much as 94% of the challenge dose.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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