Expression of Recombinant Human Stem Cell Factor (hSCF) Protein using Bombyx mori Protein Disulfide Isomerase (bPDI)

  • Kim, Sung-Wan (Department of Agricultural Biology, National Academy of Agricultural Science, RDA) ;
  • Yun, Eun-Young (Department of Agricultural Biology, National Academy of Agricultural Science, RDA) ;
  • Kim, Seong-Ryul (Department of Agricultural Biology, National Academy of Agricultural Science, RDA) ;
  • Park, Seung-Won (Department of Agricultural Biology, National Academy of Agricultural Science, RDA) ;
  • Kang, Seok-Woo (Department of Agricultural Biology, National Academy of Agricultural Science, RDA) ;
  • Lee, Kwang-Gill (Department of Agricultural Biology, National Academy of Agricultural Science, RDA) ;
  • Kwon, O-Yu (Department of Anatomy, College of Medicine, Chungnam National University) ;
  • Goo, Tae-Won (Department of Agricultural Biology, National Academy of Agricultural Science, RDA)
  • Received : 2010.09.27
  • Accepted : 2010.12.10
  • Published : 2010.12.31

Abstract

Protein disulfide isomerase (PDI) catalyzes the oxidation of disulfides and the isomerizatiob of incorrect disulfides in new polypeptides during folding in the oxidizing environment of the endoplasmic reticulum (ER). To increase recombinant protein hSCF (human stem cell factor) production, we have developed expression system using the Bombyx mori PDI (bPDI) as a fusion partner. bPDI gene fusion was found to improve the production of recombinant hSCFs. Thus, we conclude that bPDI gene fusion will be very useful for the large-scale production of biologically active recombinant proteins.

Keywords

References

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