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The source matters: no impact of the CCL2/MCP-1-1-2518G polymorphism of the donor on renal allograft outcome during the first year after transplantation


Lehmann, I; Fischereder, M; Böhmig, G A; Regele, H; Exner, M; Raith, M; Weiss, N; Segerer, S (2008). The source matters: no impact of the CCL2/MCP-1-1-2518G polymorphism of the donor on renal allograft outcome during the first year after transplantation. Transplant Proceedings, 40(10):3359-3361.

Abstract

Chemokines are involved in the recruitment of inflammatory cells to vascularized allografts. The chemokine CCL2/MCP-1 is expressed during allograft dysfunction, which is associated with the recruitment of inflammatory cells. Both intrinsic renal cells (donor origin) as well as infiltrating inflammatory cells (recipient origin) can be a source of CCL2/MCP-1. We previously demonstrated that the recipient MCP-1-2518G polymorphism is associated with increased CCL2/MCP-1 production by inflammatory cells and decreased renal allograft survival. We evaluated the impact of the MCP-1-2518G polymorphism in donor cells on renal allograft outcomes. We enrolled 252 recipients of kidney allografts in this retrospective study who had received grafts from 152 cadaveric donors. The CCL2/MCP-1 genotype was assessed using genomic DNA isolated from cryopreserved donor splenocytes. Outcome parameters studied were acute biopsy proven rejection (Banff criteria), serum creatinine, and glomerular filtration rate (GFR) at 1 year after transplantation, allograft loss, and death. MCP-1-2518 genotypes were in HW equilibrium. A/A was present in 125 (49.6%), A/G in 107 (42.5%), and G/G in 20 (7.9%) donor kidneys. There were no significant differences in the number of rejection episodes, the number of allograft losses, serum creatinine, GFR, or overall survival 1 year after transplantation. In contrast with the detrimental effect of the CCL2/MCP-1 polymorphism of the recipient, the CCL2/MCP-1 polymorphism of the donor has no impact on the allograft outcome during the first year after transplantation. The impact on the long-term outcomes needs further evaluation.

Chemokines are involved in the recruitment of inflammatory cells to vascularized allografts. The chemokine CCL2/MCP-1 is expressed during allograft dysfunction, which is associated with the recruitment of inflammatory cells. Both intrinsic renal cells (donor origin) as well as infiltrating inflammatory cells (recipient origin) can be a source of CCL2/MCP-1. We previously demonstrated that the recipient MCP-1-2518G polymorphism is associated with increased CCL2/MCP-1 production by inflammatory cells and decreased renal allograft survival. We evaluated the impact of the MCP-1-2518G polymorphism in donor cells on renal allograft outcomes. We enrolled 252 recipients of kidney allografts in this retrospective study who had received grafts from 152 cadaveric donors. The CCL2/MCP-1 genotype was assessed using genomic DNA isolated from cryopreserved donor splenocytes. Outcome parameters studied were acute biopsy proven rejection (Banff criteria), serum creatinine, and glomerular filtration rate (GFR) at 1 year after transplantation, allograft loss, and death. MCP-1-2518 genotypes were in HW equilibrium. A/A was present in 125 (49.6%), A/G in 107 (42.5%), and G/G in 20 (7.9%) donor kidneys. There were no significant differences in the number of rejection episodes, the number of allograft losses, serum creatinine, GFR, or overall survival 1 year after transplantation. In contrast with the detrimental effect of the CCL2/MCP-1 polymorphism of the recipient, the CCL2/MCP-1 polymorphism of the donor has no impact on the allograft outcome during the first year after transplantation. The impact on the long-term outcomes needs further evaluation.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Nephrology
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:December 2008
Deposited On:03 Feb 2009 13:48
Last Modified:05 Apr 2016 12:56
Publisher:Elsevier
ISSN:0041-1345
Publisher DOI:10.1016/j.transproceed.2008.08.126
PubMed ID:19100389
Permanent URL: http://doi.org/10.5167/uzh-12248

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