Qualitative characteristics of anti DNA antibodies in lupus nephritis

M. Eric Gershwin, A. D. Steinberg

Research output: Contribution to journalArticle

86 Citations (Scopus)

Abstract

Sera from 38 patients with systemic lupus erythematosus, known from previous determinations to contain antibodies to native DNA (deoxyribonucleic acid), were studied using a modification of the Farr technique, with 14C DNA as ligand. The sera fell into 3 groups with regard to antibodies to DNA: precipitating, nonprecipitating, and a mixture of both. Eighteen of these sera were studied further and titrated to obtain measures of their antigen binding capacity and estimates of avidity for DNA. Patients with lupus nephritis had either precipitating antibodies to DNA, or a mixture of precipitating and nonprecipitating, whereas those patients without nephritis had only nonprecipitating antibodies to DNA. Furthermore the avidity for DNA was greatest in sera from patients with nephritis. The antigen binding capacity of sera from patients with and without lupus nephritis was similar, suggesting that qualitative differences in anti DNA activity may be as important as quantitative ones.

Original languageEnglish (US)
Pages (from-to)947-954
Number of pages8
JournalArthritis and Rheumatism
Volume17
Issue number6
StatePublished - 1974
Externally publishedYes

Fingerprint

Lupus Nephritis
Antibodies
DNA
Serum
Nephritis
Antigens
Systemic Lupus Erythematosus
Ligands

ASJC Scopus subject areas

  • Immunology
  • Rheumatology

Cite this

Qualitative characteristics of anti DNA antibodies in lupus nephritis. / Gershwin, M. Eric; Steinberg, A. D.

In: Arthritis and Rheumatism, Vol. 17, No. 6, 1974, p. 947-954.

Research output: Contribution to journalArticle

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