AIP1 in graft arteriosclerosis.
AIP1 in graft arteriosclerosis.
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DOI:
10.1016/j.tcm.2012.05.016
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发表时间:
2011-11
影响因子:
9.3
通讯作者:
Pober JS
中科院分区:
文献类型:
--
作者:
Min W;Pober JS
Graft arteriosclerosis (GA), the major cause of late cardiac allograft failure, Is characterized by a diffuse, concentric arterial intimal hyperplasia composed of infiltrating host T cells, macrophages and predominantly graft-derived smooth muscle–like cells that proliferate and elaborate extracellular matrix, resulting in luminal obstruction and allograft ischemia. IFN-γ, a proinflammatory cytokine produced by effector T cells, is a critical mediator for smooth muscle – like cell proliferation. We have exploited the power of mouse genetics to examine the function of AIP1, a signaling adaptor molecule involved in vascular inflammation, in two newly established IFN-γ-mediated models of GA. Our data suggest that AIP1 inhibits intimal formation in GA by downregulating IFN-γ–activated migratory and proliferative signaling pathways in smooth muscle–like cells.
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