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TGF-beta and TNF-alpha: antagonistic cytokines controlling type I collagen gene expression

机译:TGF-beta和TNF-alpha:控制I型胶原基因表达的拮抗细胞因子

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The balance between production and degradation of type I collagen plays a critical role in the development and maintenance of organ and tissue integrity. It also represents the most crucial element governing the process of tissue repair. The synthesis of type I collagen gene is highly regulated by different cytokines at the transcriptional level. Especially, transforming growth factor beta (TGF-beta), a key player in the physiopathology of tissue repair, enhances type I collagen gene expression. In contrast, tumor necrosis factor alpha (TNF-alpha), whose matrix-remodelling function is opposite to that of TGF-beta, reduces type I collagen gene expression. This review focuses on transcriptional regulation of type I collagen by TGF-beta and TNF-alpha and on the molecular mechanisms that control the antagonistic activity of TNF-alpha against TGF-beta-driven type I collagen gene expression. (C) 2004 Elsevier Inc. All rights reserved.
机译:I型胶原蛋白的产生和降解之间的平衡在器官和组织完整性的发展和维持中起着至关重要的作用。它还代表了控制组织修复过程的最关键要素。 I型胶原蛋白基因的合成在转录水平上受到不同细胞因子的高度调节。特别是,转化生长因子β(TGF-beta)是组织修复生理病理学中的关键角色,可增强I型胶原蛋白基因的表达。相反,其基质重塑功能与TGF-β相反的肿瘤坏死因子α(TNF-α)降低了I型胶原基因的表达。这篇综述集中在TGF-β和TNF-α对I型胶原的转录调控,以及控制TNF-α对TGF-β驱动的I型胶原基因表达的拮抗活性的分子机制。 (C)2004 Elsevier Inc.保留所有权利。

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