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Cited by 423

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Capillary Deposition of Complement Split Product C4d in Renal Allografts is Associated with Basement Membrane Injury in Peritubular and Glomerular Capillaries: A Contribution of Humoral Immunity to Chronic Allograft Rejection

Regele, Heinz, Böhmig, Georg A., Habicht, Antje, Gollowitzer, Daniela, Schillinger, Martin, Rockenschaub, Susanne, Watschinger, Bruno, Kerjaschki, Dontscho, Exner, Markus·2002·Journal of the American Society of Nephrology

Abstract

Endothelial deposition of the complement split product C4d is an established marker of antibody-mediated acute renal allograft rejection. A contribution of alloantibody-dependent immune reactions to chronic rejection is under discussion. In this study, the association of immunohistochemically detected endothelial C4d deposition in peritubular capillaries (PTC) with morphologic features of chronic renal allograft injury was investigated in a large study cohort. C4d deposits in PTC were detected in 73 (34%) of 213 late allograft biopsies performed in 213 patients more than 12 mo after transplantation (median, 4.9 yr) because of chronic allograft dysfunction. Endothelial C4d deposition was found to be associated with chronic transplant glomerulopathy (CG) (P < 0.0001), with basement membrane multilayering in PTC (P = 0.01), and with an accumulation of mononuclear inflammatory cells in PTC (P < 0,001). Furthermore, C4d deposits in PTC (in biopsies with normal glomerular morphology) were associated with development of CG in follow-up biopsies. Other morphologic features of chronic allograft nephropathy (with exception of tubular atrophy) were not associated with C4d deposits in PTC. Analyses of previous and follow-up biopsies revealed that C4d deposits may occur de novo and may also disappear at any time after transplantation. In conclusion, the data suggest that complement activation in renal microvasculature, indicating humoral alloreactivity, contributes to chronic rejection characterized by chronic transplant glomerulopathy and basement membrane multilayering in PTC.

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Crossref · 10.1097/01.asn.0000025780.03790.0f

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Metadata

Authors
Regele, H., Böhmig, G. A., Habicht, A., Gollowitzer, D., Schillinger, M., Rockenschaub, S., Watschinger, B., Kerjaschki, D., & Exner, M.
Venue
Journal of the American Society of Nephrology
Published
2002-09
Volume
13
Issue
9
Pages
2371-2380
ISSN
1046-6673 (ISSN-L)
OpenAlex
W2144784671
Cited by
423
References
20
FWCI
14.95
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Capillary Deposition of Complement Split Product C4d in Renal Allografts is Associated with Basement Membrane Injury in Peritubular and Glomerular Capillaries: A Contribution of Humoral Immunity to Chronic Allograft Rejection. https://app.cochat.ai/papers/10.1097/01.asn.0000025780.03790.0f
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Regele, H., Böhmig, G. A., Habicht, A., Gollowitzer, D., Schillinger, M., Rockenschaub, S., Watschinger, B., Kerjaschki, D., & Exner, M. (2002). Capillary Deposition of Complement Split Product C4d in Renal Allografts is Associated with Basement Membrane Injury in Peritubular and Glomerular Capillaries: A Contribution of Humoral Immunity to Chronic Allograft Rejection. Journal of the American Society of Nephrology. https://doi.org/10.1097/01.asn.0000025780.03790.0f

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.