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首页> 外文期刊>Journal of Cellular Physiology >The emerging role of NPNT in tissue injury repair and bone homeostasis
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The emerging role of NPNT in tissue injury repair and bone homeostasis

机译:新兴NPNT在组织损伤修复中的作用和骨内稳态

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Nephronectin (NPNT), a highly conserved extracellular matrix protein, plays an important role in regulating cell adhesion, differentiation, spreading, and survival. NPNT protein belongs to the epidermal growth factor (EGF)‐like superfamily and exhibits several common structural determinants; including EGF‐like repeat domains, MAM domain (Meprin, A5 Protein, and Receptor Protein‐Tyrosine Phosphatase μ), RGD motif (Arg‐Gly‐Asp) and a coiled‐coil domain. It regulates integrins‐mediated signaling pathways via the interaction of its RGD motif with integrin α8β1. Recent studies revealed that NPNT is involved in kidney development, renal injury repair, atrioventricular canal differentiation, pulmonary function, and muscle cell niche maintenance. Moreover, NPNT regulates osteoblast differentiation and mineralization, as well as osteogenic angiogenesis. Altered expression of NPNT has been linked with the progression of certain types of cancers, such as spontaneous breast tumor metastasis and malignant melanoma. Interestingly, NPNT gene expression can be regulated by a range of external factors such as tumor necrosis factor alpha (TNF‐α), transforming growth factor beta (TGF‐β), oncostatin M (OSM), bone morphogenic protein 2 (BMP2), Wnt3a, Vitamin D 3 , and microRNA‐378 (miR378). Further understanding the cellular and molecular mechanisms by which NPNT regulates tissue homeostasis in an organ‐specific manner is critical in exploring NPNT as a therapeutic target for tissue regeneration and tissue engineering.
机译:Nephronectin (NPNT),一个高度保守的细胞外基质蛋白,扮演着一个重要的在调节细胞粘附的作用,分化、传播和生存。蛋白质属于表皮生长因子(EGF)总科和展览等几种常见的结构决定因素;EGF类重复域,老妈域(Meprin A5蛋白质,受体蛋白酪氨酸磷酸酶μ),RGD主题(地理参数g应承担的Asp)和一个螺旋线圈域。整合蛋白介导的信号通路通过8交互RGD主题的整合素αβ1。最近的研究表明NPNT参与肾脏开发、肾损伤修复房室管分化,肺功能,肌细胞利基维护。此外,NPNT调节成骨细胞分化和矿化,以及成骨的血管生成。NPNT有关的进展某些类型的癌症,如自发的乳腺癌肿瘤转移和恶性黑色素瘤。有趣的是,NPNT基因表达监管等一系列外部因素肿瘤坏死因子-α(TNF量α),转换生长因子β(TGFβ应承担的),制瘤素M (OSM),骨形态发生蛋白2 (BMP2)、Wnt3a维生素3 D,微rna量378 (miR378)。了解细胞和分子NPNT调节组织的机制体内平衡在一个器官的具体方式探索NPNT作为治疗的关键组织再生和组织的目标工程。

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