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. 1972 Jun;22(6):1029–1036.

Dinitrophenyl-reactive immunoglobulins in the serum of normal bowfin, Amia calva

Claire Bradshaw, M M Sigel
PMCID: PMC1407871  PMID: 4624342

Abstract

The sera from unimmunized bowfin agglutinate a large variety of red cells. Although they precipitate DNP-BSA they manifest only slight agglutinating capacity for DNP-coated cells. 15S immunoglobulin isolated by DEAE-cellulose chromatography followed by Sephadex G-200 gel filtration possessed a high level of broad reactivity towards unmodified DNP-coated cells, whereas the 7S immunoglobulin isolated by this procedure was inactive. However, following precipitation of whole serum with DNP-BSA both molecules could be recovered in a form which demonstrated specificity for DNP, in that both precipitated DNP-BSA and agglutinated DNP-coated cells but not unmodified cells. The mechanism of activation of the 7S molecule is not known but the data suggest that this immunoglobulin is divalent.

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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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