Mouse Anti-Human CRF Antibodies productsSearch results for: Mouse Anti-Human CRF Antibodies
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[Study on the assay of proximal tubular antigen in urine and serum with an anti-human renal monoclonal antibody].
Monoclonal antibodies (Mabs) were produced by immunizing mice with human kidney microsomal antigen. Mab-B1 recognized brushborder (B1-Ag) in proximal tubules. Using Mab-B1, B1-Ag was assayed in the urine and serum of renal disease patients by sandwich ELISA. The subjects included normal control (Nor), minimal change nephrotic syndrome (MCNS), IgA nephropathy (IgA), membranous nephropathy (MN), membranoproliferative glomerulonephritis (MPGN), and chronic renal failure (CRF) (s-Cr greater than 2 mg/dl). Urinary B1-Ag demonstrated significant increases in the IgA (p less than 0.001), MN (p less than 0.001), MPGN (p less than 0.001) and CRF (p less than 0.01) groups as compared to the Nor group. There was no significant increase in the MCNS group. In the CRF group, B1-Ag in urine showed a significant increase in the progressive CRF group with delta s-Cr greater than 1.0 mg/dl/month as compared to the stationary CRF group with delta s-Cr less than 1.0 mg/dl/month. No correlation was observed between urinary B1-Ag and proteinuria, hematuria, s-Cr, s-BMG and u-NAG. The above findings suggested that the assay of urinary B1-Ag was useful as a new parameter in detecting the site and degree of proximal tubular damage.K Taniai
