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Quantitative determination of circulating antigens in human schistosomiasis mansoni using an indirect hemagglutination assay. 1989

A M Deelder, and N De Jonge, and Y E Fillié, and D Kornelis, and D Helaha, and Z L Qian, and P De Caluwé, and A M Polderman
Laboratory of Parasitology, Medical Faculty, State University of Leiden, The Netherlands.

In serum and urine specimens collected from a group of Schistosoma mansoni infected individuals from Makundju, Zaire, the schistosome circulating anodic antigen (CAA) and the circulating cathodic antigen (CCA) were quantitatively determined using an indirect hemagglutination reaction with sheep erythrocytes sensitized with mouse IgM monoclonal antibodies directed against these circulating antigens. Levels of CAA in serum (up to 5 ng/ml) and CCA in serum and urine (up to 50 ng/ml) were strongly correlated with egg excretion and with each other. No correlation was found between egg excretion and antibody levels against the circulating antigens. Antigen was detectable only in patients excreting greater than 500 eggs per gram of feces.

UI MeSH Term Description Entries
D010270 Parasite Egg Count Determination of parasite eggs in feces. Count, Parasite Egg,Counts, Parasite Egg,Egg Count, Parasite,Egg Counts, Parasite,Parasite Egg Counts
D006386 Hemagglutination Tests Sensitive tests to measure certain antigens, antibodies, or viruses, using their ability to agglutinate certain erythrocytes. (From Stedman, 26th ed) Hemagglutination Test,Test, Hemagglutination,Tests, Hemagglutination
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000909 Antibodies, Helminth Immunoglobulins produced in a response to HELMINTH ANTIGENS. Helminth Antibodies
D000947 Antigens, Helminth Any part or derivative of a helminth that elicits an immune reaction. The most commonly seen helminth antigens are those of the schistosomes. Helminth Antigens
D012550 Schistosoma mansoni A species of trematode blood flukes of the family Schistosomatidae. It is common in the Nile delta. The intermediate host is the planorbid snail. This parasite causes schistosomiasis mansoni and intestinal bilharziasis. Schistosoma mansonus,mansonus, Schistosoma
D012555 Schistosomiasis mansoni Schistosomiasis caused by Schistosoma mansoni. It is endemic in Africa, the Middle East, South America, and the Caribbean and affects mainly the bowel, spleen, and liver. Schistosomiasis, Intestinal,Schistosoma mansoni Infection,Infection, Schistosoma mansoni,Infections, Schistosoma mansoni,Intestinal Schistosomiases,Intestinal Schistosomiasis,Schistosoma mansoni Infections,Schistosomiases, Intestinal

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