Biomaterial Database

Isolation, purification and characterization of surface antigens of the bovine filarial parasite Setaria digitata for the immunodiagnosis of bancroftian filariasis. 1990

J G Theodore, and P Kaliraj

Center for Biotechnology, Anna University, Madras, India.

The surface antigens of the bovine filarial parasite Setaria digitata were isolated by EDTA extraction and purified by affinity chromatography using sepharose bound human filarial (Wuchereria bancrofti) antibodies obtained from chronic human filarial sera. The purified and crude antigens were used in enzyme-linked immunosorbent assay (ELISA) for the detection of serum antibodies in bancroftian filariasis. The purified antigen showed sensitive and specific reactions in ELISA for the detection of antibodies in filarial sera and showed least cross reactivity with other parasitic infections. The crude and purified antigens showed about 18 and 6 peptide bands respectively in SDS-PAGE and about 11 and 6 antigenic bands respectively in enzyme-linked immunoelectrotransfer blot (EITB). The purified antigen was observed to be glycoprotein in nature. It was possible to identify the stage-specific infection in human filariasis by using the crude and purified antigens in EITB.

UI	MeSH Term	Description	Entries
D002846	Chromatography, Affinity	A chromatographic technique that utilizes the ability of biological molecules, often ANTIBODIES, to bind to certain ligands specifically and reversibly. It is used in protein biochemistry. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)	Chromatography, Bioaffinity,Immunochromatography,Affinity Chromatography,Bioaffinity Chromatography
D003429	Cross Reactions	Serological reactions in which an antiserum against one antigen reacts with a non-identical but closely related antigen.	Cross Reaction,Reaction, Cross,Reactions, Cross
D004591	Electrophoresis, Polyacrylamide Gel	Electrophoresis in which a polyacrylamide gel is used as the diffusion medium.	Polyacrylamide Gel Electrophoresis,SDS-PAGE,Sodium Dodecyl Sulfate-PAGE,Gel Electrophoresis, Polyacrylamide,SDS PAGE,Sodium Dodecyl Sulfate PAGE,Sodium Dodecyl Sulfate-PAGEs
D004605	Elephantiasis, Filarial	Parasitic infestation of the human lymphatic system by WUCHERERIA BANCROFTI or BRUGIA MALAYI. It is also called lymphatic filariasis.	Bancroftian Elephantiasis,Brugian Filariasis,Brugoa malayi Infection,Elephantiasis, Bancroftian,Filarial Elephantiasis,Filariasis, Lymphatic,Lymphatic Filariasis,Wuchereria bancrofti Infection,Bancroftian Filariasis,Elephantiasis, Malayi,Malayi Filariasis,Bancroftian Elephantiases,Bancroftian Filariases,Brugian Filariases,Brugoa malayi Infections,Filarial Elephantiases,Filariasis, Bancroftian,Filariasis, Brugian,Filariasis, Malayi,Infection, Brugoa malayi,Infection, Wuchereria bancrofti,Lymphatic Filariases,Malayi Elephantiases,Malayi Elephantiasis,Malayi Filariases,Wuchereria bancrofti Infections
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
D005368	Filariasis	Infections with nematodes of the superfamily FILARIOIDEA. The presence of living worms in the body is mainly asymptomatic but the death of adult worms leads to granulomatous inflammation and permanent fibrosis. Organisms of the genus Elaeophora infect wild elk and domestic sheep causing ischemic necrosis of the brain, blindness, and dermatosis of the face.	Elaeophoriasis,Filarioidea Infections,Infections, Filarioidea,Elaeophoriases,Filariases,Filarioidea Infection,Infection, Filarioidea
D005370	Filarioidea	A superfamily of nematodes of the order SPIRURIDA. Members possess a filiform body and a mouth surrounded by papillae.	Litomosoides,Filarioideas,Litomosoide
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