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Alem, C.M.A. van; Bank, J.R.; Vries, D.K. de; Bajema, I.M.; Mallat, M.J.K.; Fijter, J.W. de; ... ; Kooten, C. van (2022)

Presence of CD163+macrophages in DCD kidneys with high DGF reduces the risk for acute cellular rejection in 6 months after kidney transplantation

Article / Letter to editor
Acute cellular rejection (ACR) occurs in 10% of renal allograft recipients and is characterized by leukocyte infiltration as observed in needle biopsies. ACR onset is subject to several risk factors, including delayed graft function (DGF). As the impact of DGF on the etiology of ACR remains unclear, this study analyzed the association between presence of leukocyte subsets and ACR onset, in DCD kidney biopsies with extensive DGF following transplantation. Immunohistochemical analysis of protocol biopsies taken 10 days after kidney transplantation revealed that patients with high levels of renal CD163+ macrophages have a decreased risk (OR = 0.021, P = 0.008) for ACR in the first 6 months after transplantation. In pre-transplant biopsies of a comparable DCD cohort, with >80% DGF, presence of donor CD163+ macrophages showed no effect on ACR risk. Therefore, leukocyte infiltrate present during the inflammatory response at the time of DGF may contain anti-inflammatory macrophages that...Show moreAcute cellular rejection (ACR) occurs in 10% of renal allograft recipients and is characterized by leukocyte infiltration as observed in needle biopsies. ACR onset is subject to several risk factors, including delayed graft function (DGF). As the impact of DGF on the etiology of ACR remains unclear, this study analyzed the association between presence of leukocyte subsets and ACR onset, in DCD kidney biopsies with extensive DGF following transplantation. Immunohistochemical analysis of protocol biopsies taken 10 days after kidney transplantation revealed that patients with high levels of renal CD163+ macrophages have a decreased risk (OR = 0.021, P = 0.008) for ACR in the first 6 months after transplantation. In pre-transplant biopsies of a comparable DCD cohort, with >80% DGF, presence of donor CD163+ macrophages showed no effect on ACR risk. Therefore, leukocyte infiltrate present during the inflammatory response at the time of DGF may contain anti-inflammatory macrophages that exert a protective effect against ACR development.Show less
Acute cellular rejection
Anti-inflammatory macrophage
Delayed graft function
Inflammation
Donation after circulatory death
All authors
Alem, C.M.A. van; Bank, J.R.; Vries, D.K. de; Bajema, I.M.; Mallat, M.J.K.; Fijter, J.W. de; Rotmans, J.I.; Kooten, C. van
Date
2022-12-01
Journal
Transplant Immunology
Volume
75
DOI
doi:10.1016/j.trim.2022.101714
Link
https://www.sciencedirect.com/science/article/pii/S0966327422001885?via%...