alexa Purification and partial immunochemical characterization of a low molecular mass, diagnostic Echinococcus granulosus immunogen for sheep hydatidosis.
Chemical Engineering

Chemical Engineering

Journal of Chromatography & Separation Techniques

Author(s): Kanwar JR, Kanwar R

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Abstract A hydatid specific antigen of 8 kDa molecular mass was affinity-purified from crude hydatid cyst fluid. Some of the epitopes recognised by antibodies in the sera from sheep with hydatidosis were periodate-sensitive. The purified 8 kDa antigen was observed to be a thermo-stable glycoprotein in its immunochemical characteristics. By immunofluorescence on acetone-fixed protoscolices anti-8 kDa monospecific IgG antibodies indicated the existence of the 8 kDa molecule on the hooklets of protoscolices. The purified antigen was used in an enzyme-linked immunosorbent assay for the detection of specific antibodies in sera from sheep hydatiodosis. Eighteen (90\%) of 20 sera from sheep hydatidosis had antibodies to purified 8 kDa antigen while none of the sera from other parasitic infections or uninfected animals had any detectable levels of antibodies to 8 kDa antigen. Thus, the data on localization and recognition of hydatid specific 8 kDa molecule suggested that this may be one of the major molecules for specific immunodiagnosis and for modulating the hydatid disease process in infected hosts.
This article was published in FEMS Immunol Med Microbiol and referenced in Journal of Chromatography & Separation Techniques

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