FASEB J:合成牙骨质蛋白1衍生肽可调节矿化并促进骨再生

2018-08-18 MedSci MedSci原创

重组蛋白的使用彻底改变了生物制药的发展,然而,它们并非没有并发症。一些分子量非常高的重组蛋白的体内稳定性不佳,并且其生产成本较高。另一方面,研究已经显示源自活性结构域的肽保持其生物活性并且可以触发事件,例如成骨和骨再生。小肽易于合成和处理并且具有低免疫原性活性。本研究旨在研究合成肽,牙骨质蛋白1-肽1(CEMP-1-p1)在体外和体内的功能。结果表明,CEMP-1-p1可显著增强人牙周膜细胞向类矿

重组蛋白的使用彻底改变了生物制药的发展,然而,它们并非没有并发症。一些分子量非常高的重组蛋白的体内稳定性不佳,并且其生产成本较高。另一方面,研究已经显示源自活性结构域的肽保持其生物活性并且可以触发事件,例如成骨和骨再生。小肽易于合成和处理并且具有低免疫原性活性。本研究旨在研究合成肽,牙骨质蛋白1-肽1(CEMP-1-p1)在体外和体内的功能。

结果表明,CEMP-1-p1可显著增强人牙周膜细胞向类矿化样表型的增殖和分化,碱性磷酸酶(ALP)特异性活性和osterix,runt相关转录因子(RUNX)-2,整合素结合唾液蛋白,骨形态发生蛋白-2,骨钙蛋白和牙骨质蛋白(CEMP)-1在mRNA和蛋白水平表达的表达水平增加已证实此点。CEMP-1-p1处理的大鼠中的标准化临界尺寸颅骨缺损30和60天后产生新形成的骨。

综上所述,该研究结果表明,CEMP-1-p1是用于骨组织再生的有效生物活性肽。该生物活性肽的应用可用于骨和其他矿化组织的再生。

原始出处:

Correa R, Arenas J, et al., Synthetic cementum protein 1-derived peptide regulates mineralization in vitro and promotes bone regeneration in vivo. FASEB J. 2018 Aug 16:fj201800434RR. doi: 10.1096/fj.201800434RR.

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    2018-12-03 yahu
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    2018-11-05 gracezdd
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    2018-08-20 lsj630
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    2018-08-20 Eleven17