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논문검색

Carassius auratus-Originated Recombinant Histone H1 C-Terminal Peptide as Gene Delivery Material

초록

영어

Protein-based gene delivery including histone proteins has recently emerged as a powerful technique for non-viral DNA transfer. Histones are DNA-binding proteins that function in DNA packaging and protection. Several studies have examined the use of full-length histone H1-mediated gene transfer, and a few studies have investigated the use of C-terminal histone H1 fragments as gene-transfer materials. Previously, we cloned a novel histone H1 cDNA from the goldfish Carassius auratus and found that a recombinant histone H1 C-terminal short peptide (H1C) of 61 amino acids has comparable DNA binding and protection functions as full-length histone H1. In the present work, we successfully expressed and purified soluble recombinant H1C in an Escherichia coli expression system using a hexahistidine tag fusion strategy and providing tRNAs for rare codons. We confirmed its DNA-binding ability and found that this H1C peptide had similar or higher transfection efficiency in mammalian cells than the widely used agent lipofectamine. Therefore, we suggest that this novel goldfish-derived recombinant histone H1 C-terminal short peptide could be used as a peptide-based gene-transfer mediator.

저자정보

  • Dong Soo Hwang Department of Chemical Engineering, bInstitute of Environmental and Energy Technology, POSTECH, Equal contribution
  • Hee Jung Jung Department of Chemical Engineering, Equal contribution
  • Quan De Wei Department of Chemical Engineering, Center for Disease Control and Prevention of Zhuhai
  • Hyung Joon Cha Department of Chemical Engineering

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