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重组BPI_(23)-Fcγ1融合蛋白在CHO细胞中的表达 被引量:6

Expression of Recombinant BPI_(23)-Fc γ1 Fusion Protein in CHO Cells
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摘要 The fusion gene of BPI 23 and human Fcγ1 was obtained by PCR method,and the expression plasmid was constructed to express recombinant BPI 23 \|Fcγ1 fusion protein in CHO cells.After transfection with the plasmid and selection by methotrexate,the cell lines expressing the fusion protein were obtained.The recombinant protein was purified using cation\|exchange chromatography and its bioactivity was proved with bactericidal assays. The fusion gene of BPI 23 and human Fcγ1 was obtained by PCR method,and the expression plasmid was constructed to express recombinant BPI 23 \|Fcγ1 fusion protein in CHO cells.After transfection with the plasmid and selection by methotrexate,the cell lines expressing the fusion protein were obtained.The recombinant protein was purified using cation\|exchange chromatography and its bioactivity was proved with bactericidal assays.
出处 《生物工程学报》 CAS CSCD 北大核心 2001年第5期587-589,共3页 Chinese Journal of Biotechnology
关键词 杀菌/通透性增加蛋白 BPI23-Fcγ1融合蛋白 表达 CHO细胞 重组 bactericidal/permeability\|increasing protein, BPI 23 Fcγ1 fusion protein, expression, CHO cells
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参考文献8

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同被引文献59

  • 1李新生,高凤山,李云岗,崔保安,陈红英,崔沛,夏春.北京长白杂交猪IgGH链基因CH2-CH3的克隆、序列分析及表达质粒构建[J].河南农业大学学报,2006,40(1):1-6. 被引量:3
  • 2Chockalingam A, McKinney CE, Rinaldi M, et al. A peptide derived from human bactericidal/permeability-increasing protein (BPI)exerts bactericidal activity against Gram-negative bacterial isolates obtained from clinical cases of bovine mastitis [J]. Veterinary Microbilogy, 2007,125(1-2):80-90.
  • 3Chockalingam A, Zarlenga DS, Bannerman DD. Antimicrobial activity of bovine bactericidal permeability-increasing proteinderived peptides against gram-negative bacteria isolated from the milk of cows with clinical mastitis [J]. American journal of veterinary research, 2007,68(11): 1151-1159.
  • 4萨母布鲁,等,金冬雁,黎孟枫,等(译).H分子克隆实验指南(第二版)[M].北京:科学出版社,1996:765-780,888-887.
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  • 6Ooi CE,Weiss J,Doerfler ME, et al.Endotoxin-neutralizing properties of the 25kD N-terminal fragment and a newly isolated 30kD C-terminal fragment of the 55-60kD bactericidal/ permeability-increasing protein of human neutrophils[J].Journal of Experiment Medcine, 1991,174(3):649-655.
  • 7Gazzano-Santoro H, Parent J B, Grnna L,et al.High-affinity binding of the bactericidal/permeability-increasing protein and a recombinant amino-terminal fragment to the lipid A region of lipopolysaccharidd[J].Infection and Immunity, 1992,60 (11):4754-4761.
  • 8Horwitz AH,Ammons WS,Bauer RJ.rBPI(10-193)is secreted by CHO cells and retains the activity of rBPI21 [J]. Journal of Endotoxin Research,2004,10(2):97-106.
  • 9Schultz H,Weiss JP.The bactericidal/permeability-increasing protein (BPI)in infection and inflammatory disease [ J ]. Clinica Chimica Acta, 2007,384:12-23.
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