Activated renal macrophages are markers of disease onset and disease remission in lupus nephritis

Lena Schiffer, Ramalingam Bethunaickan, Meera Ramanujam, Weiqing Huang, Mario Schiffer, Haiou Tao, Michael M. Madaio, Erwin P. Bottinger, Anne Davidson

Research output: Contribution to journalArticle

149 Citations (Scopus)

Abstract

Costimulatory blockade with CTLA4Ig and anti-CD40L along with a single dose of cyclophosphamide induces remission of systemic lupus erythematosus nephritis in NZB/W F1 mice. To understand the mechanisms for remission and for impending relapse, we examined the expression profiles of 61 inflammatory molecules in the perfused kidneys of treated mice and untreated mice at different stages of disease. Further studies using flow cytometry and immunohistochemistry allowed us to determine the cellular origins of several key markers. We show that only a limited set of inflammatory mediators is expressed in the kidney following glomerular immune complex deposition but before the onset of proteinuria. Formation of a lymphoid aggregate in the renal pelvis precedes the invasion of the kidney by inflammatory cells. Regulatory molecules are expressed early in the disease process and during remission but do not prevent the inevitable progression of active inflammation. Onset of proliferative glomerulonephritis and proteinuria is associated with activation of the renal endothelium, expression of chemokines that mediate glomerular cell infiltration, and infiltration by activated dendritic cells and macrophages that migrate to different topographical areas of the kidney but express a similar profile of inflammatory cytokines. Increasing interstitial infiltration by macrophages and progressive tubular damage, manifested by production of lipocalin-2, occur later in the disease process. Studies of treated mice identify a type II (M2b)-activated macrophage as a marker of remission induction and impending relapse and suggest that therapy for systemic lupus erythematosus nephritis should include strategies that prevent both activation of monocytes and their migration to the kidney.

Original languageEnglish (US)
Pages (from-to)1938-1947
Number of pages10
JournalJournal of Immunology
Volume180
Issue number3
DOIs
StatePublished - Feb 1 2008

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Lupus Nephritis
Macrophages
Kidney
Proteinuria
Systemic Lupus Erythematosus
Remission Induction
Recurrence
CD40 Ligand
Kidney Pelvis
Glomerulonephritis
Antigen-Antibody Complex
Chemokines
Cyclophosphamide
Dendritic Cells
Endothelium
Monocytes
Flow Cytometry
Immunohistochemistry
Cytokines
Inflammation

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

Schiffer, L., Bethunaickan, R., Ramanujam, M., Huang, W., Schiffer, M., Tao, H., ... Davidson, A. (2008). Activated renal macrophages are markers of disease onset and disease remission in lupus nephritis. Journal of Immunology, 180(3), 1938-1947. https://doi.org/10.4049/jimmunol.180.3.1938

Activated renal macrophages are markers of disease onset and disease remission in lupus nephritis. / Schiffer, Lena; Bethunaickan, Ramalingam; Ramanujam, Meera; Huang, Weiqing; Schiffer, Mario; Tao, Haiou; Madaio, Michael M.; Bottinger, Erwin P.; Davidson, Anne.

In: Journal of Immunology, Vol. 180, No. 3, 01.02.2008, p. 1938-1947.

Research output: Contribution to journalArticle

Schiffer, L, Bethunaickan, R, Ramanujam, M, Huang, W, Schiffer, M, Tao, H, Madaio, MM, Bottinger, EP & Davidson, A 2008, 'Activated renal macrophages are markers of disease onset and disease remission in lupus nephritis', Journal of Immunology, vol. 180, no. 3, pp. 1938-1947. https://doi.org/10.4049/jimmunol.180.3.1938
Schiffer L, Bethunaickan R, Ramanujam M, Huang W, Schiffer M, Tao H et al. Activated renal macrophages are markers of disease onset and disease remission in lupus nephritis. Journal of Immunology. 2008 Feb 1;180(3):1938-1947. https://doi.org/10.4049/jimmunol.180.3.1938
Schiffer, Lena ; Bethunaickan, Ramalingam ; Ramanujam, Meera ; Huang, Weiqing ; Schiffer, Mario ; Tao, Haiou ; Madaio, Michael M. ; Bottinger, Erwin P. ; Davidson, Anne. / Activated renal macrophages are markers of disease onset and disease remission in lupus nephritis. In: Journal of Immunology. 2008 ; Vol. 180, No. 3. pp. 1938-1947.
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