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Serum levels of circulating anodic antigen and circulating cathodic antigen detected in mice infected with Schistosoma japonicum or S. mansoni. 1995

A B Van 't Wout, and N De Jonge, and S M Wood, and L Van Lieshout, and G F Mitchell, and A M Deelder
Laboratory of Parasitology, Medical Faculty, University of Leiden, The Netherlands.

Serum concentrations of circulating anodic antigen (CAA) and circulating cathodic antigen (CCA) were studied in mice infected with either Schistosoma japonicum or S. mansoni cercariae. Sera from uninfected mice were negative for both antigens. CAA was detectable in the S. japonicum-infected mice as early as at 2 weeks post-infection (p.i.), and levels were higher in these animals than in the S. mansoni-infected group during the full study period. At the moment of perfusion, 10 weeks p.i., a median of 9 and 29 worms, respectively, were recovered from the S. japonicum- and S. mansoni-infected mice, and the median CAA levels were 326 and 27 ng/ml, respectively. In contrast, CCA levels were much lower in the S. japonicum-infected group (27 ng/ml) as compared with the S. mansoni-infected mice (282 ng/ml). These results suggest an important difference between S. japonicum and S. mansoni infections in CAA and CCA production and/or clearance and indicate a significant role for CAA in the diagnosis of human schistosomiasis japonicum.

UI MeSH Term Description Entries
D008297 Male Males
D005260 Female Females
D006023 Glycoproteins Conjugated protein-carbohydrate compounds including MUCINS; mucoid, and AMYLOID glycoproteins. C-Glycosylated Proteins,Glycosylated Protein,Glycosylated Proteins,N-Glycosylated Proteins,O-Glycosylated Proteins,Glycoprotein,Neoglycoproteins,Protein, Glycosylated,Proteins, C-Glycosylated,Proteins, Glycosylated,Proteins, N-Glycosylated,Proteins, O-Glycosylated
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
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
D012549 Schistosoma japonicum A species of trematode blood flukes belonging to the family Schistosomatidae whose distribution is confined to areas of the ASIA, EASTERN. The intermediate host is a snail. It occurs in man and other mammals. Schistosoma japonicums,japonicum, Schistosoma
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
D012554 Schistosomiasis japonica Schistosomiasis caused by Schistosoma japonicum. It is endemic in the ASIA, EASTERN and affects the bowel, liver, and spleen. Schistosoma japonicum Infection,Schistosomiasis japonicum,Infection, Schistosoma japonicum,Infections, Schistosoma japonicum,Schistosoma japonicum Infections
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
D015801 Helminth Proteins Proteins found in any species of helminth. Helminth Protein,Protein, Helminth,Proteins, Helminth

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