期刊
TRANSPLANT IMMUNOLOGY
卷 21, 期 4, 页码 244-246出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.trim.2009.06.004
关键词
C4d; Chronic rejection; Liver
Background: Complement protein C4d has been used as a marker of antibody mediated rejection in kidney allografts. C4d has been shown to be deposited also in chronic kidney allograft rejection. and frequently in acute liver allograft rejection. In chronic liver allograft rejection there is limited data of C4d positivity. Methods: 7 liver allografts explanted at retransplantation due to chronic rejection were examined for expression of C4d. Immunoperoxidase technique on frozen sections was used. The zero biopsies of the same livers at the first transplantation served as controls. Results: Expression of C4d was significantly increased in portal and central veins as well as in the portal stroma of the grafts with chronic rejection when compared to the expression at implantation of the graft. Conclusion: The complement system and anti-donor antibodies may contribute to the process of chronic allograft rejection in the liver. (C) 2009 Elsevier B.V. All rights reserved.
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