Evaluation of Synthetic Cell-Penetrating Peptides, Pro-Rich Peptide and Octaargine Derivatives, as Adenovirus Vector Carrier
作者:Shinya Kida、Yusuke Eto、Yasuo Yoshioka、Shinsaku Nakagawa、Koichi Kawasaki、Mitsuko Maeda
DOI:10.2174/092986610790225978
日期:2010.2.1
Two cell-penetrating peptides, a Pro-rich peptide derivative, acetyl-(Val-Arg-Leu-Pro-Pro-Pro)3-Gly-Cys amide, and an octaarginine derivative, acetyl-Arg-Arg-Arg-Arg-Arg-Arg-Arg-Arg-Gly-Cys amide, were prepared by the solid phase method. Each peptide was coupled to the heterobifunctional cross-linking reagent, 6-maleimidohexanoic acid N-hydroxysuccinimide ester, and then conjugated to the Adenovirus vector containing luciferase gene. Peptide-modified Ad, as compared with wild-type Ad, exhibited excellent luciferase activity in B16BL6 cells.
两种细胞穿透肽,一种富含 Pro 的肽衍生物,乙酰基-(Val-Arg-Leu-Pro-Pro-Pro)3-Gly-Cys 酰胺,以及八精氨酸衍生物,乙酰基-Arg-Arg-Arg-Arg-采用固相法制备了Arg-Arg-Arg-Arg-Gly-Cys酰胺。每个肽与异双功能交联剂6-马来酰亚胺己酸N-羟基琥珀酰亚胺酯偶联,然后与含有荧光素酶基因的腺病毒载体缀合。与野生型Ad相比,肽修饰的Ad在B16BL6细胞中表现出优异的荧光素酶活性。