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首页> 外文期刊>Circulation journal >Tenascin-C in cardiovascular tissue remodeling - From development to inflammation and repair -
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Tenascin-C in cardiovascular tissue remodeling - From development to inflammation and repair -

机译:Tenascin-C在心血管组织重塑中-从发育到炎症和修复-

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摘要

Tenascin-C (TN-C) is a matricellular protein expressed during embryonic development, as well as in wound healing and cancer invasion in various tissues, and may regulate cell behavior and matrix organization during tissue remodeling. In the cardiovascular system, TN-C is transiently expressed at several important steps of embryonic development, playing important roles in the differentiation of cardiomyocytes and in coronary vasculo/angiogenesis. TN-C is sparse in normal adults, but upregulated under pathological conditions such as myocarditis, myocardial infarction, cardiac fibrosis, atherosclerosis, stenotic neointimal hyperplasia, and aneurysm, and is closely associated with tissue injury and inflammation. In view of its specific expression, TN-C could be a realistic and promising biomarker and a target for molecular imaging for the diagnosis of various cardiovascular diseases. TN-C also has diverse functions, including weakening of cell adhesion, up-regulating the expression and activity of matrix metalloproteinases, modulating inflammatory responses, promoting recruitment of myofibroblasts, and enhancing fibrosis. TN-C could exert both harmful and protective effects and might be a therapeutic target as a key molecule in the control of the balance of beneficial and undesirable cellular responses during tissue remodeling.
机译:Tenascin-C(TN-C)是一种在胚胎发育,伤口愈合和各种组织的癌症侵袭过程中表达的基质细胞蛋白,在组织重塑过程中可能调节细胞行为和基质组织。在心血管系统中,TN-C在胚胎发育的几个重要步骤中瞬时表达,在心肌细胞的分化和冠状血管/血管生成中发挥重要作用。 TN-C在正常成年人中稀疏,但在诸如心肌炎,心肌梗塞,心脏纤维化,动脉粥样硬化,狭窄的内膜增生和动脉瘤等病理条件下上调,并且与组织损伤和炎症密切相关。鉴于其特异性表达,TN-C可能是一个现实而有希望的生物标志物,并且是分子影像学诊断各种心血管疾病的目标。 TN-C还具有多种功能,包括减弱细胞粘附力,上调基质金属蛋白酶的表达和活性,调节炎症反应,促进成肌纤维细胞募集和增强纤维化。 TN-C可能同时发挥有害作用和保护作用,并可能作为治疗性靶标,成为控制组织重构过程中有益和不良细胞反应平衡的关键分子。

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