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Review
. 2023 Nov 6;11(11):2978.
doi: 10.3390/biomedicines11112978.

Three Diseases Mediated by Different Immunopathologic Mechanisms-ANCA-Associated Vasculitis, Anti-Glomerular Basement Membrane Disease, and Immune Complex-Mediated Glomerulonephritis-A Common Clinical and Histopathologic Picture: Rapidly Progressive Crescentic Glomerulonephritis

Cristina Gluhovschi  1   2 , Florica Gadalean  1   2   3 , Silvia Velciov  2   3 , Mirabela Nistor  3 , Ligia Petrica  1   2   3
Affiliations
Review

Three Diseases Mediated by Different Immunopathologic Mechanisms-ANCA-Associated Vasculitis, Anti-Glomerular Basement Membrane Disease, and Immune Complex-Mediated Glomerulonephritis-A Common Clinical and Histopathologic Picture: Rapidly Progressive Crescentic Glomerulonephritis

Cristina Gluhovschi et al. Biomedicines. .

Abstract

Immune mechanisms play an important role in the pathogenesis of glomerulonephritis (GN), with autoimmunity being the main underlying pathogenetic process of both primary and secondary GN. We present three autoimmune diseases mediated by different autoimmune mechanisms: glomerulonephritis in vasculitis mediated by anti-neutrophil cytoplasmic antibodies (ANCAs), glomerulonephritis mediated by anti-glomerular basement membrane antibodies (anti-GBM antibodies), and immune complex-mediated glomerulonephritis. Some of these diseases represent a common clinical and histopathologic scenario, namely rapidly progressive crescentic glomerulonephritis. This is a severe illness requiring complex therapy, with the main role being played by therapy aimed at targeting immune mechanisms. In the absence of immune therapy, the crescents, the characteristic histopathologic lesions of this common presentation, progress toward fibrosis, which is accompanied by end-stage renal disease (ESRD). The fact that three diseases mediated by different immunopathologic mechanisms have a common clinical and histopathologic picture reveals the complexity of the relationship between immunopathologic mechanisms and their clinical expression. Whereas most glomerular diseases progress by a slow process of sclerosis and fibrosis, the glomerular diseases accompanied by glomerular crescent formation can progress, if untreated, in a couple of months into whole-nephron glomerulosclerosis and fibrosis. The outcome of different immune processes in a common clinical and histopathologic phenotype reveals the complexity of the relationship of the kidney with the immune system. The aim of this review is to present different immune processes that lead to a common clinical and histopathologic phenotype, such as rapidly progressive crescentic glomerulonephritis.

Keywords: ANCA-associated vasculitis; anti-GBM antibodies; immune complex-mediated glomerulonephritis; rapidly progressive crescentic glomerulonephritis.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
ANCA-associated vasculitis.
Figure 2
Figure 2
Anti-GBM disease.
Figure 3
Figure 3
Lupus nephritis.
Figure 4
Figure 4
Pathogenesis of rapidly progressive crescentic glomerulonephritis.
Figure 5
Figure 5
Synoptic view.
See this image and copyright information in PMC

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