KSBB Journal

  • 제31권1호
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  • Pages.66-72
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  • 2016
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  • 1225-7117(pISSN)
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  • 2288-8268(eISSN)
한국생물공학회 (The Korean Society for Biotechnology and Bioengineering)
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CHO 세포에서 누에 혈림프 유래 Storage-protein 2의 세포응집 및 세포사멸 억제 효과

Effects of Storage-protein 2 Derived from Silkworm Hemolymph on Reduction of Aggregation and Cell Death in CHO Cells

  • 임진혁 (인하대학교 공과대학 생물공학과) ;
  • 차현명 (인하대학교 공과대학 생물공학과) ;
  • 김지훈 (차의과학대학교 생명과학대학 바이오공학과) ;
  • 최용수 (차의과학대학교 생명과학대학 바이오공학과) ;
  • 김동일 (인하대학교 공과대학 생물공학과)
  • 투고 : 2016.01.07
  • 심사 : 2016.03.16
  • 발행 : 2016.03.31
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초록

Chinese hamster ovary (CHO) cells have been widely used for production of various recombinant proteins such as cytokines and monoclonal antibodies. The cell aggregation and cell death in CHO cell culture directly affect cell viability, and productivity and quality of products. In this study, we investigated preventing effects of storage-protein 2 (SP2) derived from silkworm hemolymph on cell aggregation and cell death in CHO cell culture producing albuminerythropoietin (Alb-EPO). The viable cell density in the culture supplemented with 2 mg/mL SP2 was 1.71-fold higher than that in control culture. Increased titer of Alb-EPO was also found in the culture with SP2. Morphology of CHO cells in SP2 supplemented cultures did not differ from that of control. In addition, the cell aggregation rate of the SP2 cultures was reduced 20% compared to the control. Finally, we confirmed that the apoptosis was strongly suppressed by addition of SP2 in the cultures. These results clearly demonstrate that SP2 can be served as an effective supplement for enhancing titer of Alb-EPO via reducing cell aggregation and cell death.

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참고문헌

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