7Sgamma2b antibody was found attached to and in the integument of adult Schistosoma mansoni removed from CF1 white mice. With the techniques used, IgA, IgM, 7Sgamma1, 7Sgamma2a, 7Sgamma3, and C3 complement were not found to be attached to the integumental surfaces. 7Sgamma2b does not seem to fix C3, and it is suggested this antibody may be acting in enhancing and blocking roles which protect the worms from the host.
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