Emerging Concepts Regarding B Cells and Autoantibodies in Murine Lupus Nephritis: B Cells Have Multiple Roles; All Autoantibodies Are Not Equal

Michael P. Madaio, Mark J. Shlomchik

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Despite observations linking the severity of lupus nephritis to the quantity and location of glomerular immune deposits, it had been difficult to decipher the primary role of B cells and autoantibodies in this process. Newer technologies have provided the means to evaluate the roles of whole B cell populations and individual immunoglobulins in lupus lesions. In this review, recent advances in this area are summarized, with particular emphasis on work from the authors' laboratories. The results implicate a primary role for B cells and immunoglobulins in lupus nephritis, including glomerular, interstitial, and vascular lesions. Multiple antibody-ligand interactions participate in glomerular immune deposit formation in individuals with lupus nephritis. Recent evidence suggests that in situ formation of immune deposits by either cross-reactivity of autoantibodies with intrinsic glomerular antigens (i.e., anti-DNA antibodies with laminin) or direct interaction of autoantibodies with circulating autoantigens lodged within glomeruli (i.e., anti-DNA antibodies with histone/DNA). The predominant autoantibody-glomerular antigen interaction(s) in a given individual influences the principal location of immune deposition, which in turn influences the pathologic and clinical expression of disease. It is believed that these phenomena contribute to the phenotypic diversity commonly observed among individuals with lupus nephritis. Furthermore, these consequences are dependent on properties unique to both subsets of lupus autoantibodies and to their target antigen ligands within the glomerulus. Thus, the autoantibody variable or antigen binding region, along with the nature and location of the target glomerular antigen (or site of circulating antigen deposition), are influential in initiating these perturbations.

Original languageEnglish (US)
Pages (from-to)387-396
Number of pages10
JournalJournal of the American Society of Nephrology
Volume7
Issue number3
StatePublished - Mar 1 1996

Fingerprint

Lupus Nephritis
Autoantibodies
B-Lymphocytes
Antigens
Antinuclear Antibodies
Immunoglobulins
Ligands
Autoantigens
Laminin
Histones
Blood Vessels
Technology
Antibodies
DNA
Population

Keywords

  • Autoantibodies
  • Lupus
  • Nephritis

ASJC Scopus subject areas

  • Nephrology

Cite this

Emerging Concepts Regarding B Cells and Autoantibodies in Murine Lupus Nephritis : B Cells Have Multiple Roles; All Autoantibodies Are Not Equal. / Madaio, Michael P.; Shlomchik, Mark J.

In: Journal of the American Society of Nephrology, Vol. 7, No. 3, 01.03.1996, p. 387-396.

Research output: Contribution to journalArticle

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