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机构地区:[1]Institute for Cancer Research, School of Life Science & Technology [2]Institute for Cancer Research,School of Life Science & Technology
出 处:《Academic Journal of Xi'an Jiaotong University》2002年第2期117-120,共4页西安交通大学学报(英文版)
基 金:ThisworkwassupportedbytheScientificResearchFoundationofHealthMinistryofChina(No .98 1 2 32 )
摘 要:Objective To design and construct the eukaryotic expression vector which expresses Anti-CD3 ScFv-B7.1 fusion molecules and predict the biological characteristics, the rationality and feasibility of the spacer. Methods To analyze the flexibility, Hoop & Woods hydrophilicity and the epitope of Anti-CD3 ScFv-B7.1 fusion molecule at secondary structure level by computer simulation utilizing the GoldKey software. Results By comparing with Anti-CD3 ScFv and B7.1 respectively, it shows that Anti-CD3 ScFv-B7.1 fusion molecules can form correct secondary structure with the linking of the spacer, the fusion does not change the original hydrophilicity and epitopes of both Anti-CD3 ScFv and B7.1, no new epitopes emerge; The spacer is flexible and shows low antigenicity. Conclusion The design of Anti-CD3 ScFv-B7.1 fusion molecule are rational and feasible, the expressed fusion protein could retain the maximum biological activity and the function of both Anti-CD3 ScFv and B7.1.Objective To design and construct the eukaryotic expression vector which expresses Anti-CD3 ScFv-B7.1 fusion molecules and predict the biological characteristics, the rationality and feasibility of the spacer. Methods To analyze the flexibility, Hoop & Woods hydrophilicity and the epitope of Anti-CD3 ScFv-B7.1 fusion molecule at secondary structure level by computer simulation utilizing the GoldKey software. Results By comparing with Anti-CD3 ScFv and B7.1 respectively, it shows that Anti-CD3 ScFv-B7.1 fusion molecules can form correct secondary structure with the linking of the spacer, the fusion does not change the original hydrophilicity and epitopes of both Anti-CD3 ScFv and B7.1, no new epitopes emerge; The spacer is flexible and shows low antigenicity. Conclusion The design of Anti-CD3 ScFv-B7.1 fusion molecule are rational and feasible, the expressed fusion protein could retain the maximum biological activity and the function of both Anti-CD3 ScFv and B7.1.
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