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[Dot-ELISA using monoclonal antibody for detecting schistosome circulating antigen]. 1990

R Zhou, and D Q Miao, and S H Zhang, and Y W Zhang, and R S Zhu
Institute of Antiparasitic Diseases, Sichuan Academy of Medical Sciences.

Monoclonal antibodies were produced by the fusion of splenic lymphocytes from BALB/c mice immunized with Schistosoma japonicum excretory/secretory antigen and the myeloma cell line SP2/0. The 1B2E7B8 McAb was proved to be specific against the gut antigen of adult worm in IFA. The McAb labelled with HRP was used in Dot-ELISA to detect schistosome circulating antigen. Schistosome circulating antigen was detected in 152 out of 188 proven cases of schistosomiasis, accounting for a positive rate of 80.9%. The positive rates for circulating antigen in cases with 1-24, 25-99 and greater than or equal to 100 EPG were 76.8%, 86.6% and 100% respectively. 10 out of 11 cases who had been checked 2 months after effective treatment became ELISA negative. No circulating antigen was detected in cases with other parasitosis nor in normal individuals. In addition, the McAb-Dot-ELISA showed good reproducibility. The results indicated that McAb-Dot-ELISA might be used for diagnosis of schistosomiasis and evaluation of cure.

UI MeSH Term Description Entries
D004797 Enzyme-Linked Immunosorbent Assay An immunoassay utilizing an antibody labeled with an enzyme marker such as horseradish peroxidase. While either the enzyme or the antibody is bound to an immunosorbent substrate, they both retain their biologic activity; the change in enzyme activity as a result of the enzyme-antibody-antigen reaction is proportional to the concentration of the antigen and can be measured spectrophotometrically or with the naked eye. Many variations of the method have been developed. ELISA,Assay, Enzyme-Linked Immunosorbent,Assays, Enzyme-Linked Immunosorbent,Enzyme Linked Immunosorbent Assay,Enzyme-Linked Immunosorbent Assays,Immunosorbent Assay, Enzyme-Linked,Immunosorbent Assays, Enzyme-Linked
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
D000911 Antibodies, Monoclonal Antibodies produced by a single clone of cells. Monoclonal Antibodies,Monoclonal Antibody,Antibody, Monoclonal
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
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

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