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IDENTITY OF THE URINARY PROTEINS OF NEPHRITIS

IDENTITY OF THE URINARY PROTEINS OF NEPHRITIS By means of the precipitin reaction, urinary proteins in nephritis have been studied and found to consist of the following blood proteins: albumin, pseudoglobulin and euglobulin. These proteins vary in their quantitative relationship in different individuals. When the method of globular crystallization with subsequent dialysis of the solution of the crystals was applied to the urinary proteins and the precipitin reaction applied to the successive fractions, the latter ones gave less response to the serum of definite titer than a blood albumin solution of the same percentage content. In one case a fraction of this character was obtained that showed a precipitin reaction only in high concentration with a powerful antialbumin serum. The same protein, however, when injected, produced an antialbumin serum. In the search for nonblood proteins characteristic of a definite condition, it was found that in experimental uremia produced by hypertonic sodium chloride and in both canine and http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png JAMA American Medical Association

IDENTITY OF THE URINARY PROTEINS OF NEPHRITIS

JAMA , Volume 91 (20) – Nov 17, 1928

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Publisher
American Medical Association
Copyright
Copyright © 1928 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
0098-7484
eISSN
1538-3598
DOI
10.1001/jama.1928.02700200012004
Publisher site
See Article on Publisher Site

Abstract

By means of the precipitin reaction, urinary proteins in nephritis have been studied and found to consist of the following blood proteins: albumin, pseudoglobulin and euglobulin. These proteins vary in their quantitative relationship in different individuals. When the method of globular crystallization with subsequent dialysis of the solution of the crystals was applied to the urinary proteins and the precipitin reaction applied to the successive fractions, the latter ones gave less response to the serum of definite titer than a blood albumin solution of the same percentage content. In one case a fraction of this character was obtained that showed a precipitin reaction only in high concentration with a powerful antialbumin serum. The same protein, however, when injected, produced an antialbumin serum. In the search for nonblood proteins characteristic of a definite condition, it was found that in experimental uremia produced by hypertonic sodium chloride and in both canine and

Journal

JAMAAmerican Medical Association

Published: Nov 17, 1928

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