Charge selective properties of the glomerular capillary wall influence antibody binding in rat membranous nephropathy

Michael P. Madaio, S. Adler, G. C. Groggel, W. G. Couser, D. J. Salant

Research output: Contribution to journalArticle

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Abstract

IgG antibodies, eluted from kidneys of rats with Heymann nephritis were separated into cationic and anionic fractions. labeled with 125I and 131I, respectively, mixed in equal amounts, and then injected in incremental doses into 10 rats. Glomerular antibody binding was highly correlated with blood concentration of antibody at 24 hr, however, significantly more cationic antibody bound to glomeruli than did anionic antibody at all blood levels studied. The differences were not due to greater antibody content and/or avidity of the cationic preparation, as measured by binding to isolated glomeruli in vitro. These studies demonstrate the influence of glomerular permselectivity and antibody charge on subepithelial antibody deposition.

Original languageEnglish (US)
Pages (from-to)131-138
Number of pages8
JournalClinical Immunology and Immunopathology
Volume39
Issue number1
DOIs
StatePublished - Jan 1 1986

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Membranous Glomerulonephritis
Antibodies
Immunoglobulin G
Kidney

ASJC Scopus subject areas

  • Immunology and Allergy
  • Pathology and Forensic Medicine
  • Immunology

Cite this

Charge selective properties of the glomerular capillary wall influence antibody binding in rat membranous nephropathy. / Madaio, Michael P.; Adler, S.; Groggel, G. C.; Couser, W. G.; Salant, D. J.

In: Clinical Immunology and Immunopathology, Vol. 39, No. 1, 01.01.1986, p. 131-138.

Research output: Contribution to journalArticle

Madaio, Michael P. ; Adler, S. ; Groggel, G. C. ; Couser, W. G. ; Salant, D. J. / Charge selective properties of the glomerular capillary wall influence antibody binding in rat membranous nephropathy. In: Clinical Immunology and Immunopathology. 1986 ; Vol. 39, No. 1. pp. 131-138.
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