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Deprecated: Implicit conversion from float 243.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Int+J+Surg 2015 ; 23 (0 0): 301-5 Nephropedia Template TP
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SYSTEMIC INFLAMMATION IN XENOGRAFT RECIPIENTS (SIXR): A NEW PARADIGM IN PIG-TO-PRIMATE XENOTRANSPLANTATION? #MMPMID26209584
Ezzelarab MB; Cooper DKC
Int J Surg 2015[Nov]; 23 (0 0): 301-5 PMID26209584show ga
Inflammation is a complex response that involves interactions between multiple proteins in the human body. The interaction between inflammation and coagulation is well-recognized, but its role in the dysregulation of coagulation in xenograft recipients is not well-understood. Additionally, inflammation is known to prevent the development of T cell tolerance after transplantation.Recent evidence indicates that systemic inflammation precedes and may be promoting activation of coagulation after pig-to-primate xenotransplantation. Activated recipient innate immune cells expressing tissue factor are increased after xenotransplantation, irrespective of immunosuppressive therapy. With immunosuppression, C-reactive protein (C-RP), fibrinogen, and interleukin-6 levels are significantly increased in pig artery patch recipients. In pig organ recipients, increased C-RP levels are observed prior to the development of features of consumptive coagulopathy. Systemic inflammation in xenograft recipients (SIXR) may be a key factor in the development of dysregulation of coagulation, as well as in resistance to immunosuppressive therapy.While genetic modification of the donor pigs provides protection against humoral responses and the development of thrombotic microangiopathy, therapeutic prevention of SIXR may be essential in order to prevent systemic dysregulation of coagulation in xenograft recipients without the use of intensive immunosuppression.