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PD-L1单链抗体的筛选、抗体偶联药物的制备以及抗肿瘤活性的研究

ACKNOWLEDGEMTS第6-15页
INTRODUCTION第15-24页
ABSTRACT第24-29页
中文摘要第30-37页
ABBREVIATIONS第37-39页
PARTⅠFunctional expression and purification system of PD-L1 extracellular domain byusing Escherichia coli host cell machinery第39-57页
    1.1. Background第39-42页
    1.2. Materials and Methods第42-47页
        1.2.1 Bacterial strains and vectors第42页
        1.2.2 Plasmid extraction and gel electrophoresis第42-43页
        1.2.3 Primer design and amplification of PDL1-ECD第43-44页
        1.2.4 Cloning and expression of PDL1-ECD第44-45页
        1.2.5 Purification of recombinant PDL1-ECD第45-46页
        1.2.6 Refolding of recombinant PDL1-ECD第46页
        1.2.7 Western blot analysis第46页
        1.2.8 Statistical analysis第46-47页
    1.3. Results第47-54页
        1.3.1. PCR amplification and cloning of PDL1-ECD第47-48页
        1.3.2. Expression of recombinant proteins第48-51页
        1.3.3. Purification, dialysis and antigenic analysis of recombinant proteins第51-54页
    1.4. Discussion第54-56页
    1.5. Conclusions第56-57页
PARTⅡ Systematic development and bioactive confirmation of single chain fragment(scFv) against PD-L1第57-82页
    2.1 Background第57-60页
    2.2 Methodology第60-69页
        2.2.1 Cell lines and reagents第60页
        2.2.2 Helper phage enrichment第60-61页
        2.2.3 Library amplification第61页
        2.2.4 Biopanning第61-62页
        2.2.5 Screening of positive clones第62-63页
        2.2.6 Phage ELISA第63页
        2.2.7 Positive phage enrichment第63-64页
        2.2.8 Construction of recombinant vector第64-65页
        2.2.9 Expression and purification of recombinant scFv antibodies第65-66页
        2.2.10 Purification and refolding of recombinant scFv antibodies第66页
        2.2.11 Western blot analysis第66-67页
        2.2.12 ELISA determination of expressed proteins第67页
        2.2.13 Immunofluorescence assay第67-68页
        2.2.14 Statistical analysis第68-69页
    2.3 Results第69-79页
        2.3.1 Phage display biopanning第69-70页
        2.3.2 Affinity determination with ELISA and sequence analysis第70-72页
        2.3.3 Selection of positive clone enrichment第72-73页
        2.3.4 Recombinant formation and expression of scFv antibodies第73-75页
        2.3.5 SDS-PAGE and western blot analysis第75-76页
        2.3.6 Binding affinity determination of expressed proteins第76-78页
        2.3.7 Structural prediction of scFv fragments第78-79页
    2.4 Discussion第79-81页
    2.5 Conclusions第81-82页
PARTⅢ Development of antibody drug conjugates by using single chain variable fragmentsagainst PD-L1 and intracellular tracking第82-100页
    3.1 Introduction第82-85页
    3.2 Methodology第85-88页
        3.2.1 Reagents and cell lines第85页
        3.2.2 Generation of drug conjugate第85页
        3.2.3 Spectrophotometry analysis第85-86页
        3.2.4 SDS-PAGE第86页
        3.2.5 In vitro activity determination第86页
        3.2.6 Immunofluorescence第86-87页
        3.2.7 Intracellular trafficking第87页
        3.2.8 Statistical analysis第87-88页
    3.3 Results第88-96页
        3.3.1 Engineering scFv-PD-L1 drug conjugate第88页
        3.3.2 Spectrophotometry analysis第88-90页
        3.3.3 SDS-PAGE analysis第90页
        3.3.4 Western blotting第90-91页
        3.3.5 In vitro studies第91-92页
        3.3.6 Surface binding specificity and trafficking analysis第92-96页
    3.4 Discussion第96-99页
    3.5 Conclusions第99-100页
PARTⅣ Generation of full length antibody and bioactive confirmation against PD-L1cancer cells第100-118页
    4.1 Introduction第100-102页
    4.2 Methodology第102-107页
        4.2.1 Reagents, cell lines and plasmids第102页
        4.2.2 Construction of pMH3-VH/VL recombinant vector第102-103页
        4.2.3 PCR ligation to develop SP-VH/VL fragment第103页
        4.2.4 Double digestion and recombinant pMH3-kH/kL vector construction第103页
        4.2.5 Transformation and sequence analysis第103-104页
        4.2.6 Transfection of CHO cells第104-105页
        4.2.7 Purification of full length antibody第105页
        4.2.8 ELISA determination第105页
        4.2.9 Immunofluorescence analysis第105-106页
        4.2.10 Flow cytometry analysis第106页
        4.2.11 Statistical analysis第106-107页
    4.3 Results第107-115页
        4.3.1 Construction of optimized recombinant plasmid第107-110页
        4.3.2 CHO cells transfection optimization第110-112页
        4.3.3 Full length antibody purification第112-113页
        4.3.4 Bioactivity determination第113-115页
    4.4 Discussion第115-117页
    4.5 Conclusions第117-118页
PARTⅤ Major Findings and Future Perspectives第118-120页
    5.1 Introduction第118-119页
    5.2 Future Perspectives第119-120页
REFERENCES第120-143页
LISTS OF PUBLICATIONS第143-144页

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