Requirement of the chemokine receptor CXCR3 for acute allograft rejection.
Requirement of the chemokine receptor CXCR3 for acute allograft rejection.
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DOI:
10.1084/jem.192.10.1515
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发表时间:
2000-11-20
期刊:
影响因子:
--
通讯作者:
Gerard C
中科院分区:
文献类型:
--
作者:
Hancock WW;Lu B;Gao W;Csizmadia V;Faia K;King JA;Smiley ST;Ling M;Gerard NP;Gerard C
Chemokines provide signals for activation and recruitment of effector cells into sites of inflammation, acting via specific G protein–coupled receptors. However, in vitro data demonstrating the presence of multiple ligands for a given chemokine receptor, and often multiple receptors for a given chemokine, have led to concerns of biologic redundancy. Here we show that acute cardiac allograft rejection is accompanied by progressive intragraft production of the chemokines interferon (IFN)-γ–inducible protein of 10 kD (IP-10), monokine induced by IFN-γ (Mig), and IFN-inducible T cell α chemoattractant (I-TAC), and by infiltration of activated T cells bearing the corresponding chemokine receptor, CXCR3. We used three in vivo models to demonstrate a role for CXCR3 in the development of transplant rejection. First, CXCR3-deficient (CXCR3−/−) mice showed profound resistance to development of acute allograft rejection. Second, CXCR3−/− allograft recipients treated with a brief, subtherapeutic course of cyclosporin A maintained their allografts permanently and without evidence of chronic rejection. Third, CXCR+/+ mice treated with an anti-CXCR3 monoclonal antibody showed prolongation of allograft survival, even if begun after the onset of rejection. Taken in conjunction with our findings of CXCR3 expression in rejecting human cardiac allografts, we conclude that CXCR3 plays a key role in T cell activation, recruitment, and allograft destruction.
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DOI:
10.1084/jem.184.3.963
发表时间:
1996-09-01
期刊:
The Journal of experimental medicine
影响因子:
--
作者:
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DOI:
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发表时间:
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DOI:
10.1084/jem.187.12.2009
发表时间:
1998-06-15
期刊:
The Journal of experimental medicine
影响因子:
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作者:
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