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1.
International Journal of Laboratory Medicine ; (12): 2401-2403, 2015.
Artículo en Chino | WPRIM | ID: wpr-476274

RESUMEN

Objective To investigate the different expressions of plasma M type phospholipase A2 receptor antibody and IgG subtypes deposition of kidney tissues in idiopathic membranous nephropathy and hepatitis B virus-associated membranous nephropa-thy,and to evaluate the significance of plasma M type phospholipase A2 receptor antibody and IgG subtypes in diagnosis of hepatitis B virus-associated membranous nephropathy.Methods Plasma samples were obtained from patients with idiopathic membranous nephropathy,hepatitis B virus-associated membranous nephropathy and minimal change disease,respectively,before immunosup-pressive therapy.Concentration of plasma M type phospholipase A2 receptor antibody was detected by sandwich ELISA and concen-tration of IgG subtypes were measured by immunofluorescence.Results Concentration of plasma M type phospholipase A2 receptor antibody was (15.4±7.2)μg/mL in idiopathic membranous nephropathy group,higher than that in the hepatitis B virus-associated membranous nephropathy group (10.3±5.7)μg/mL (P <0.01),between idiopathic membranous nephropathy group and hepatitis B virus-associated membranous nephropathy group.There was no distinct difference of IgG subtypes deposition in glomerlar capil-lary wall.Conclusion There is obvious clinical significance of concentration of plasma M type phospholipase A2 receptor antibody in differential diagnosis of idiopathic membranous nephropathy and hepatitis B virus-associated membranous nephropathy,while no distinct significance of IgG subtypes deposition.

2.
Chinese Journal of Parasitology and Parasitic Diseases ; (6)1987.
Artículo en Chino | WPRIM | ID: wpr-541634

RESUMEN

Hybridomas producing monoclonal antibodies (McAb) directed against Trichomonas vaginalis have been produced by fusing NSI myeloma cells with spleen cells of BALB/c mice immunized with Trichomonas vaginalis.IFA technique was used to test the binding activity of four McAbs produced.The McAb belonged to the IgG subtypes IgGl(2A2,2A4 McAb),IgG3 (2H9 McAb) and IgG 2b (2A12 McAb).Three McAbs,designated 2A2,2A4,2A12,reacted with a surface membrane component of live Trichomonas vaginalis.One (2A12) of them produced com-plement-dependent cytolysis of the parasites.Others (2A2.2A4) produced complement-independent cytotoxicity of the parasites.2H9 McAb which reacted with the nucleus of the organisms did not agglutinate the parasites.The four McAbs which did not have cross reaction with some protozoa of Zoomastigophorea species were specific antibodies against Trichomonas vaginalis.(Figs.1-3)

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