Design, synthesis, and functional testing of recombinant cell penetrating peptides

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Cell penetrating peptides (CPP) are one of the most attractive DNA delivery systems currently in development. In this research, in silico CPP development was performed based on a literature study to look for peptides that induce endosome escape, have the ability to bind DNA, and pass through cell membranes and/or nuclear membranes with a final goal of creating a new CPP to be used as a DNA delivery system. We report herein the successful isolation of three candidate CPP molecules, which have all been successfully expressed and purified by NiNTA. One of the determinants of CPP success as a DNA carrier is the ability of the CPP to bind and protect DNA from the effects of nucleases. The DNA binding test results show that all three CPPs can bind to DNA and protect it from the effects of serum nucleases. These three CPP candidates designed in silico and synthesized in the prokaryote system are eligible candidates for further testing of their ability to deliver DNA in vitro and in vivo.

Original languageEnglish
Article number012030
JournalJournal of Physics: Conference Series
Issue number1
Publication statusPublished - 30 Aug 2017
Event1st Physics and Technologies in Medicine and Dentistry Symposium, PTMDS 2017 - Depok, West Java, Indonesia
Duration: 15 Jul 201716 Jul 2017


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