Lupus-prone strains vary in susceptibility to antibody-mediated end organ disease

C. Xie, Y. Du, K. Kumar, L. Li, J. Han, K. Liu, X. J. Zhou, C. Mohan

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Renal involvement is the major cause of morbidity and mortality in lupus. Besides autoantibodies, intrinsic renal factors may contribute to the susceptibility to lupus nephritis. To determine how different mouse strains that develop spontaneous lupus fare in their susceptibility to immune mediated nephritis, mice from six lupus-prone strains and two non-lupus control strains (B6 and BALB/c) were challenged with rabbit anti-GBM sera. Among the strains tested, NZM2410 (or NZM) mice developed severe glomerulonephritis (GN), whereas BXSB and B6.lpr, NZB mice were relatively resistant to anti-GBM disease, as were the BALB/c controls. BWF1 and B6.Yaa mice exhibited intermediate degrees of GN that was comparable to the B6 controls. The severity of the renal disease in these strains did not appear to be related to the degree of the systemic immune response to the administered rabbit Ig. In addition, cytokine profiling demonstrated differential urinary excretion of several molecules in the NZM mice, compared with the controls. Together with our previous reports, our studies demonstrate that lupus-prone strains vary in their susceptibility to immune mediated nephritis, despite similar levels of circulating autoantibodies and comparable degrees of immune complex deposition in the kidneys.

Original languageEnglish (US)
Pages (from-to)170-178
Number of pages9
JournalGenes and Immunity
Volume14
Issue number3
DOIs
StatePublished - Apr 1 2013

Keywords

  • anti-GBM
  • genetics
  • lupus nephritis
  • systemic lupus erythematosus

ASJC Scopus subject areas

  • Immunology
  • Genetics
  • Genetics(clinical)

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