Short term administration of costimulatory blockade and cyclophosphamide induces remission of systemic lupus erythematosus nephritis in NZB/W F1 mice by a mechanism downstream of renal immune complex deposition

Lena Schiffer, Jayashree Sinha, Xiaobo Wang, Weiqing Huang, Gero Von Gonsdorff, Mario Schiffer, Michael P. Madaio, Anne Davidson

Research output: Contribution to journalArticle

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Abstract

NZB/W F1 mice with established nephritis were treated with a single dose of cyclophosphamide with or without a 2-wk course of murine CTLA4Ig, either alone or in combination with anti-CD154. Sixty to 80% of treated mice entered remission, and remission could be reinduced following relapse. A decrease in the frequency of anti-DNA-producing B cells and activated T cells was observed in treated mice, but this effect lasted only 3-6 wk, while remissions were sustained for up to 20 wk. Light microscopy of the kidneys of mice in remission revealed less glomerular inflammation, less tubular damage, and less infiltration of inflammatory cells. By immunofluorescence, however, IgG and C3 staining of glomeruli was no different in treated mice vs controls. Since chemokines and their receptors play an important role in inflammatory cell infiltration of affected organs in autoimmune diseases, we examined chemokine expression in the kidneys. Decreases in the expression of inflammatory cytokines and chemokines were evident in mice in the early stages of remission, but these differences were no longer present in late remission. Increased expression of CXCL13 was detected in the inflammatory infiltrates of the control NZB/NZW mice. Strikingly, we could not detect any CXCL13 in the kidneys of the treated group even in late remission. These findings suggest that costimulatory blockade together with cyclophosphamide influence the activation state of renal CD11c-positive cells and therefore lead to less B and T cell infiltration and nephritis.

Original languageEnglish (US)
Pages (from-to)489-497
Number of pages9
JournalJournal of Immunology
Volume171
Issue number1
DOIs
StatePublished - Jul 1 2003

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Lupus Nephritis
Antigen-Antibody Complex
Systemic Lupus Erythematosus
Cyclophosphamide
Kidney
Nephritis
Chemokines
B-Lymphocytes
Inbred NZB Mouse
T-Lymphocytes
Chemokine Receptors
Autoimmune Diseases
Fluorescent Antibody Technique
Microscopy
Immunoglobulin G
Staining and Labeling
Cytokines
Inflammation
Light
Recurrence

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

Short term administration of costimulatory blockade and cyclophosphamide induces remission of systemic lupus erythematosus nephritis in NZB/W F1 mice by a mechanism downstream of renal immune complex deposition. / Schiffer, Lena; Sinha, Jayashree; Wang, Xiaobo; Huang, Weiqing; Von Gonsdorff, Gero; Schiffer, Mario; Madaio, Michael P.; Davidson, Anne.

In: Journal of Immunology, Vol. 171, No. 1, 01.07.2003, p. 489-497.

Research output: Contribution to journalArticle

Schiffer, Lena ; Sinha, Jayashree ; Wang, Xiaobo ; Huang, Weiqing ; Von Gonsdorff, Gero ; Schiffer, Mario ; Madaio, Michael P. ; Davidson, Anne. / Short term administration of costimulatory blockade and cyclophosphamide induces remission of systemic lupus erythematosus nephritis in NZB/W F1 mice by a mechanism downstream of renal immune complex deposition. In: Journal of Immunology. 2003 ; Vol. 171, No. 1. pp. 489-497.
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