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. 1972 Dec;12(4):525–540.

Surface antigens on Schistosoma mansoni. II. Adsorption of a Forssman-like host antigen by schistosomula

D A Dean, K W Sell
PMCID: PMC1553609  PMID: 4675405

Abstract

A study was made of the nature of mouse (host) antigens adsorbed by schistosomula of Schistosoma mansoni. Using the mixed antiglobulin test, extracts of a number of individual mouse tissues were tested for their ability to coat schistosomula. All were effective to some extent, with the greatest activity being found in extracts of the lung and spleen. Antibodies against the schistosomulum-coating antigen as well as surface host antigens of adult Schistosoma mansoni were removed by absorbing with erythrocytes from a number of Forssman-positive but not Forssman-negative animal species. These antibodies were also absorbed by Forssman-positive guineapig kidney extract and methanol soluble (Forssman-positive) but not insoluble fractions of sheep erythrocyte stromata and mouse lungs. Schistosomula could be coated in vitro with methanol soluble fractions of mouse lung and erythrocytes and sheep erythrocytes. Though both mouse and sheep coating antigens reacted with anti-mouse and anti-sheep antibodies, reactions were stronger with the homologous antiserum. It was concluded that schistosomula of Schistosoma mansoni adsorb from mice an antigen similar but not identical to the Forssman antigen of sheep erythrocytes, and that this antigen is also found on the surface of adult worms.

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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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