期刊
AMERICAN JOURNAL OF TRANSPLANTATION
卷 7, 期 2, 页码 293-302出版社
WILEY
DOI: 10.1111/j.1600-6143.2006.01617.x
关键词
allorecognition; graft-infiltrating lymphocytes; graft survival; immunosuppression; mononuclear leukocytes; proliferation; T-cell graft infiltration; transplantation
资金
- NHLBI NIH HHS [HL60901] Funding Source: Medline
The receptor for advanced glycation endproducts (RAGE), a multiligand member of the immunoglobulin superfamily, interacts with proinflammatory AGEs, the products of nonenzymatic glycation and oxidation of proteins; high-mobility group box 1 (HMGB1), also known as amphoterin and S100/calgranulins to amplify inflammation and tissue injury. Previous studies showed that blockade of RAGE suppressed recruitment of proinflammatory mechanisms in murine models. We tested the hypothesis that RAGE contributes to alloimmune responses and report that in vivo, acute rejection of fully allogeneic cardiac allografts in a murine model of heterotopic cardiac transplantation is significantly delayed by pharmacological antagonism of RAGE. In parallel, allogeneic T-cell proliferation in the mixed lymphocyte reaction is, at least in part, RAGE-dependent. These data provide the first insights into key roles for RAGE in allorecognition responses and suggest that antagonism of this receptor may exert beneficial effects in allogeneic organ transplantation.
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