Bone tissue regeneration holds the potential to solve both osteoporosis and large skeletal defects,two problems associated with significant morbidity.The differentiation of mesenchymal stem cells into the osteogenic l...Bone tissue regeneration holds the potential to solve both osteoporosis and large skeletal defects,two problems associated with significant morbidity.The differentiation of mesenchymal stem cells into the osteogenic lineage requires a specific microenvironment and certain osteogenic growth factors.Neural EGF Like-Like molecule 1(NELL-1)is a secreted glycoprotein that has proven,both in vitro and in vivo,to be a potent osteo-inductive factor.Furthermore,it has been shown to repress adipogenic differentiation and inflammation.NELL-1 can work synergistically with other osteogenic factors such as Bone Morphogenic Protein(BMP)2 and9,and has shown promise for use in tissue engineering and as a systemically administered drug for the treatment of osteoporosis.Here we provide a comprehensive up-to-date review on the molecular signaling cascade of NELL-1 in mesenchymal stem cells and potential applications in bone regenerative engineering.展开更多
背景:骨缺损再生修复是临床常见难题,骨组织的再生修复需要特定的微环境和生长因子参与。尼尔样1型生长因子(Nel-like molecular 1,Nell-1)是一种分泌性蛋白,同时也是是一种有效且无明显毒副作用的骨生长因子,目前大量研究表明Nell-1能...背景:骨缺损再生修复是临床常见难题,骨组织的再生修复需要特定的微环境和生长因子参与。尼尔样1型生长因子(Nel-like molecular 1,Nell-1)是一种分泌性蛋白,同时也是是一种有效且无明显毒副作用的骨生长因子,目前大量研究表明Nell-1能够用于促进骨再生修复,有望成为骨再生修复的新方法。目的:对Nell-1调控成骨机制及其在骨再生修复方面的应用和前景进行综述。方法:以"nell-1,nel-like molecule 1,nel-like protein 1,neural EGF like protein 1,bone repairing,osteogenesis,osteogenic,regenerative medicine"或"Nell-1,nell-1蛋白,nel样1型分子,神经源性表皮生长因子样分子1,骨生成,成骨作用,骨修复,再生医学"等作为检索词,利用PubMed、中国知网、万方数据库、embase进行检索,选择从1996年12月15日至2017年11月1日有关Nell-1生长因子与成骨及骨再生修复应用方面的文献资料,排除重复性研究。结果与结论:Nell-1的发现最早与颅缝早闭相关,后来被证实为一种有效的骨生长因子,其具有抗脂肪分化、抑制炎症反应和无明显毒副作用等优点。目前大量动物实验已证明Nell-1可应用于促进骨再生修复,除此之外,Nell-1同时还有作为治疗骨质疏松症有效药物的巨大潜力,有望在未来成为用于骨再生修复的新方法。展开更多
基金Research in the authors’laboratories was supported in part by research grants from the National Institutes of Health(AT004418,DE020140 to TCH and RRR)the US Department of Defense(OR130096 to JMW)+4 种基金the Scoliosis Research Society(TCH and MJL)the 973 Program of the Ministry of Science and Technology(MOST)of China(#2011CB707906 to TCH)MP and SM were recipients of the Pritzker Summer Research Fellowship funded through the National Institute of Health(NIH)T-35 training grant(NIDDK)#T35DK062719-30The reported work was also supported in part by The University of Chicago Cancer Center Support Grant(P30CA014599)the National Center for Advancing Translational Sciences of the National Institutes of Health through Grant Number UL1 TR000430。
文摘Bone tissue regeneration holds the potential to solve both osteoporosis and large skeletal defects,two problems associated with significant morbidity.The differentiation of mesenchymal stem cells into the osteogenic lineage requires a specific microenvironment and certain osteogenic growth factors.Neural EGF Like-Like molecule 1(NELL-1)is a secreted glycoprotein that has proven,both in vitro and in vivo,to be a potent osteo-inductive factor.Furthermore,it has been shown to repress adipogenic differentiation and inflammation.NELL-1 can work synergistically with other osteogenic factors such as Bone Morphogenic Protein(BMP)2 and9,and has shown promise for use in tissue engineering and as a systemically administered drug for the treatment of osteoporosis.Here we provide a comprehensive up-to-date review on the molecular signaling cascade of NELL-1 in mesenchymal stem cells and potential applications in bone regenerative engineering.
文摘背景:骨缺损再生修复是临床常见难题,骨组织的再生修复需要特定的微环境和生长因子参与。尼尔样1型生长因子(Nel-like molecular 1,Nell-1)是一种分泌性蛋白,同时也是是一种有效且无明显毒副作用的骨生长因子,目前大量研究表明Nell-1能够用于促进骨再生修复,有望成为骨再生修复的新方法。目的:对Nell-1调控成骨机制及其在骨再生修复方面的应用和前景进行综述。方法:以"nell-1,nel-like molecule 1,nel-like protein 1,neural EGF like protein 1,bone repairing,osteogenesis,osteogenic,regenerative medicine"或"Nell-1,nell-1蛋白,nel样1型分子,神经源性表皮生长因子样分子1,骨生成,成骨作用,骨修复,再生医学"等作为检索词,利用PubMed、中国知网、万方数据库、embase进行检索,选择从1996年12月15日至2017年11月1日有关Nell-1生长因子与成骨及骨再生修复应用方面的文献资料,排除重复性研究。结果与结论:Nell-1的发现最早与颅缝早闭相关,后来被证实为一种有效的骨生长因子,其具有抗脂肪分化、抑制炎症反应和无明显毒副作用等优点。目前大量动物实验已证明Nell-1可应用于促进骨再生修复,除此之外,Nell-1同时还有作为治疗骨质疏松症有效药物的巨大潜力,有望在未来成为用于骨再生修复的新方法。
