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• W2018339733 abstract "Background Organs from DCD (donation after cardiac death) donors are increasingly used for transplantation. The impact of advanced donor age and warm ischemia on the immune response of the recipient has not been studied. We developed a novel and clinically relevant model of DCD kidney transplantation and investigated the effects of donor age and prolonged warm ischemia on the recipient immune response after following DCD kidney transplantation. Methods DCD grafts from young and old F-344 donor rats were engrafted into LEW recipients who were nephrectomized bilaterally after a short (20 minutes) or prolonged (45 minutes) warm ischemia time. Results Analysis of the recipient's immune response early after transplantation showed an enhanced innate and adaptive immune response when old DCD kidneys were engrafted. Next, we studied DCD recipients with a supportive, contralateral native kidney in place, which allowed the recovery of the transplanted DCD kidney. Old DCD kidneys, demonstrated an impaired renal function associated with pronounced histomorphologic graft deterioration and an enhanced immune response by day 100 after transplantation. Interestingly, young DCD kidneys with a long warm ischemic time recovered from acute tubular necrosis and did not stimulate the long-term immune response. Conclusion Our observations emphasize that prolonged warm ischemic time and advanced donor age augment the immune response after transplantation of DCD grafts. These results provide an experimental model and a mechanistic framework of clinically relevant aspects in DCD donation. Organs from DCD (donation after cardiac death) donors are increasingly used for transplantation. The impact of advanced donor age and warm ischemia on the immune response of the recipient has not been studied. We developed a novel and clinically relevant model of DCD kidney transplantation and investigated the effects of donor age and prolonged warm ischemia on the recipient immune response after following DCD kidney transplantation. DCD grafts from young and old F-344 donor rats were engrafted into LEW recipients who were nephrectomized bilaterally after a short (20 minutes) or prolonged (45 minutes) warm ischemia time. Analysis of the recipient's immune response early after transplantation showed an enhanced innate and adaptive immune response when old DCD kidneys were engrafted. Next, we studied DCD recipients with a supportive, contralateral native kidney in place, which allowed the recovery of the transplanted DCD kidney. Old DCD kidneys, demonstrated an impaired renal function associated with pronounced histomorphologic graft deterioration and an enhanced immune response by day 100 after transplantation. Interestingly, young DCD kidneys with a long warm ischemic time recovered from acute tubular necrosis and did not stimulate the long-term immune response. Our observations emphasize that prolonged warm ischemic time and advanced donor age augment the immune response after transplantation of DCD grafts. These results provide an experimental model and a mechanistic framework of clinically relevant aspects in DCD donation." @default.
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• W2018339733 date "2013-02-01" @default.
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• W2018339733 title "Synergistic effects of prolonged warm ischemia and donor age on the immune response following donation after cardiac death kidney transplantation" @default.
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• W2018339733 doi "https://doi.org/10.1016/j.surg.2012.07.035" @default.
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