PLATELET-DERIVED GROWTH FACTOR, TRANSFORMING GROWTH FACTOR-β, AND CONNECTIVE TISSUE GROWTH FACTOR IN A PORCINE BRONCHIAL MODEL OF OBLITERATIVE BRONCHIOLITIS

PLATELET-DERIVED GROWTH FACTOR, TRANSFORMING GROWTH FACTOR-β, AND CONNECTIVE TISSUE GROWTH FACTOR IN A PORCINE BRONCHIAL MODEL OF OBLITERATIVE BRONCHIOLITIS
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闭塞性细支气管炎猪支气管模型中的血小板衍生生长因子、转化生长因子-β和结缔组织生长因子

DOI:
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发表时间:
2007
影响因子:
1.7
通讯作者:
U. Salminen
U. Salminen
中科院分区:
医学4区
文献类型:
--
作者:
H. Alho;P. Maasilta;T. Vainikka;U. Salminen

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在闭塞性细支气管炎(OB)的猪支气管移植模型中评估血小板衍生生长因子(PDGF)、转化生长因子(TGF)-β和结缔组织生长因子(CTGF)的表达以及伊马替尼(一种抑制PDGF受体的药物)的作用。PDGF-A、PDGF受体α和β以及TGF-β表达在同种异体移植物中发生上调,而PDGF-B和CTGF表达在同种异体移植物和自体移植物中相似。伊马替尼改变了炎症反应和PDGF-A和PDGF受体的表达模式。本研究进一步证实了PDGF和TGF-β作为OB的介质,并支持通过PDGF受体在移植后OB中发出信号的途径的重要性的概念。
The expression of platelet-derived growth factor (PDGF), transforming growth factor (TGF)-β, and connective tissue growth factor (CTGF) and the effect of imatinib, an agent inhibiting PDGF receptors, were assessed in a porcine bronchial transplantation model of obliterative bronchiolitis (OB). Up-regulation of PDGF-A, PDGF receptors α and β, and TGF-β expression occurred in allografts, whereas PDGF-B and CTGF expression was similar in allo- and autografts. Imatinib modified the inflammatory responses and expression patterns of PDGF-A and PDGF receptors. This study further confirms PDGF and TGF-β as mediators of OB and supports the concept of the importance of the pathways signaled through PDGF receptors in post-transplant OB.
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