Preparation and stability of N-terminal PEGylated Recombinant Human Epidermal Growth Factor

  • Na, Dong-Hee (Drug Targeting Laboratory, College of Pharmacy, SungKyunKwan University) ;
  • Youn, Yu-Seok (Drug Targeting Laboratory, College of Pharmacy, SungKyunKwan University) ;
  • Park, Chong-Jeon (Drug Targeting Laboratory, College of Pharmacy, SungKyunKwan University) ;
  • Lee, Sang-Deuk (Drug Targeting Laboratory, College of Pharmacy, SungKyunKwan University) ;
  • Lee, Kang-Choon (Drug Targeting Laboratory, College of Pharmacy, SungKyunKwan University)
  • Published : 2002.10.01

Abstract

To improve the stability of recombinant human epidermal growth factor (rhEGF) as therapeutic agent. the N-terminal PEGylated rhEGF (N-PEG-rhEGF) was prepared by site-specific bioconjugation and the stability was investigated in rat skin wound homogenates. Two different N-PEG-rhGEFs (N-PEG5K- and N-PEG20K-rhEGF) were successfully prepared with the yields of above 70%. The PEGylation site was directly confirmed by determining the molecular mass of Lys-C digested samples using MALDI- TOF MS. (omitted)

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