The Proteome of Antibody-Mediated Rejection: From Glomerulitis to Transplant Glomerulopathy
The Proteome of Antibody-Mediated Rejection: From Glomerulitis to Transplant Glomerulopathy
Antibody-mediated rejection (ABMR) is the leading cause of allograft failure in kidney transplantation. Its histological hallmark is represented by lesions of glomerulitis i.e., inflammatory cells within glomeruli. Current therapies for ABMR fail to prevent chronic allograft damage i.e., transplant glomerulopathy, leading to allograft loss. We used laser microdissection of glomeruli from formalin-fixed allograft biopsies combined with mass spectrometry-based proteomics to describe the proteome modification of 11 active and 10 chronic active ABMR cases compared to 8 stable graft controls. Of 1335 detected proteins, 77 were deregulated in glomerulitis compared to stable grafts, particularly involved in cellular stress mediated by interferons type I and II, leukocyte activation and microcirculation remodeling. Three proteins extracted from this protein profile, TYMP, WARS1 and GBP1, showed a consistent overexpression by immunohistochemistry in glomerular endothelial cells that may represent relevant markers of endothelial stress during active ABMR. In transplant glomerulopathy, 137 proteins were deregulated, which favor a complement-mediated mechanism, wound healing processes through coagulation activation and ultimately a remodeling of the glomerular extracellular matrix, as observed by light microscopy. This study brings novel information on glomerular proteomics of ABMR in kidney transplantation, and highlights potential targets of diagnostic and therapeutic interest.
- University of Bordeaux France
- University of Bordeaux
- UNIVERSITE DE BORDEAUX France
- UNIVERSITE DE BORDEAUX France
- Université de Bordeaux France
antibody-mediated rejection; glomerulus; proteomics; transplant glomerulopathy; kidney transplantation, [SDV.IMM] Life Sciences [q-bio]/Immunology, QH301-705.5, kidney transplantation, glomerulus, Article, transplant glomerulopathy, proteomics, antibody-mediated rejection, Biology (General)
antibody-mediated rejection; glomerulus; proteomics; transplant glomerulopathy; kidney transplantation, [SDV.IMM] Life Sciences [q-bio]/Immunology, QH301-705.5, kidney transplantation, glomerulus, Article, transplant glomerulopathy, proteomics, antibody-mediated rejection, Biology (General)
53 Research products, page 1 of 6
- 2018IsRelatedTo
- 2017IsRelatedTo
- 2017IsRelatedTo
- 2017IsRelatedTo
- 2017IsRelatedTo
- 2019IsRelatedTo
- 2017IsRelatedTo
- 2017IsRelatedTo
- 2017IsRelatedTo
chevron_left - 1
- 2
- 3
- 4
- 5
chevron_right
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).15 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Top 10% influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Average impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Top 10%
