CD8+ cells and glomerular crescent formation: outside-in as well as inside-out
A. Richard Kitching1,2,3 and Maliha A. Alikhan1
1Centre for Inflammatory Diseases, Monash University Department of Medicine, Monash Medical Centre, Clayton, Victoria, Australia.
2Department of Nephrology and
3Department of Pediatric Nephrology, Monash Health, Clayton, Victoria, Australia.
Address correspondence to: A. Richard Kitching, Centre for Inflammatory Diseases, Monash University Department of Medicine, Monash Medical Centre, 246 Clayton Rd., Clayton, Victoria 3168, Australia. Phone: 61.3.8572.2590; Email: richard.kitching@monash.edu.
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1Centre for Inflammatory Diseases, Monash University Department of Medicine, Monash Medical Centre, Clayton, Victoria, Australia.
2Department of Nephrology and
3Department of Pediatric Nephrology, Monash Health, Clayton, Victoria, Australia.
Address correspondence to: A. Richard Kitching, Centre for Inflammatory Diseases, Monash University Department of Medicine, Monash Medical Centre, 246 Clayton Rd., Clayton, Victoria 3168, Australia. Phone: 61.3.8572.2590; Email: richard.kitching@monash.edu.
Find articles by Alikhan, M. in: JCI | PubMed | Google Scholar
First published July 9, 2018 - More info
Copyright © 2018, American Society for Clinical Investigation
Crescentic glomerulonephritis, a complication of severe immune glomerular injury, is the pathological correlate of rapidly progressive glomerulonephritis, mediated by both humoral and cellular effectors. In the current issue of the JCI, Chen et al. have implicated Bowman’s capsule in functionally isolating potentially immune effectors, specifically antigen-specific CD8+ T lymphocytes, from podocytes. They suggest that, in crescentic glomerulonephritis, immune-mediated glomerular endothelial injury results in inside-out injury to the glomerulus, with subsequent leukocyte migration through a weakened or ruptured Bowman’s capsule, resulting in outside-in injury. Effector T cells then recognize nephritogenic antigens presented by podocytes or other cells within the urinary space, enhancing injury and crescent formation.
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