Abstract:Secretory conglutinin-like factor (SKF), secretory bacterial aggregating factors (SBAF) and 11S secretory IgA antibodies of human saliva and full term amniotic fluid were quantitated by microtitration and partially characterized. The SBAF of both saliva and amniotic fluid aggregated a variety of oral streptococci, but no secretory IgA antibodies were found in amniotic fluid. The SKF and SBAF are distinguished from IIS IgA antibodies by being inhibited with EDTA and by being more susceptible to inhibition with … Show more
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