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Research Article Free access | 10.1172/JCI106534

Glomerular deposition of properdin in acute and chronic glomerulonephritis with hypocomplementemia

N. Gunnar Westberg, George B. Naff, John T. Boyer, and Alfred F. Michael

Department of Pediatrics, University of Minnesota, Minneapolis, Minnesota 55455

Department of Medicine, Case Western Reserve University, Cleveland, Ohio 44106

Find articles by Westberg, N. in: PubMed | Google Scholar

Department of Pediatrics, University of Minnesota, Minneapolis, Minnesota 55455

Department of Medicine, Case Western Reserve University, Cleveland, Ohio 44106

Find articles by Naff, G. in: PubMed | Google Scholar

Department of Pediatrics, University of Minnesota, Minneapolis, Minnesota 55455

Department of Medicine, Case Western Reserve University, Cleveland, Ohio 44106

Find articles by Boyer, J. in: PubMed | Google Scholar

Department of Pediatrics, University of Minnesota, Minneapolis, Minnesota 55455

Department of Medicine, Case Western Reserve University, Cleveland, Ohio 44106

Find articles by Michael, A. in: PubMed | Google Scholar

Published March 1, 1971 - More info

Published in Volume 50, Issue 3 on March 1, 1971
J Clin Invest. 1971;50(3):642–649. https://doi.org/10.1172/JCI106534.
© 1971 The American Society for Clinical Investigation
Published March 1, 1971 - Version history
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Abstract

Kidney tissue from 97 patients was studied by immunofluorescent techniques using antiserum to purified properdin. All patients with acute poststreptococcal glomerulonephritis showed deposition of properdin and the third component of complement (C3), either as “humps” on the basement membrane, or in the mesangium. In all cases of chronic membranoproliferative glomerulonephritis, properdin and C3 were localized in the glomeruli, most commonly in a lobular pattern on the basement membrane. Activation of C3 by the properdin system may explain the depressed serum levels of C3 and terminal complement components even though levels of earlier components are normal, and the deposition of C3, often without immunoglobulins, in the kidneys of patients with acute glomerulonephritis or chronic membranoproliferative glomerulonephritis.

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