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表达牛病毒性腹泻病毒E2蛋白重组干酪乳杆菌的构建、免疫原性评价及其抗原捕获ELISA方法的建立

ABSTRACT第10-12页
摘要第13-16页
ABBREVIATION第16-18页
CHAPTER 1第18-41页
    1.1 INTRODUCTION第18-20页
    1.2 REVIEW OF LITERATURE第20-41页
        1.2.1 Cattle industry in China第20-22页
        1.2.2 Importance of bovine viral diarrhea virus(BVDV)in China第22-23页
        1.2.3 History of BVDV第23页
        1.2.4 Classification第23-24页
        1.2.5 BVDV genome and function of the genomic polyprotein第24-26页
        1.2.6 Host range and transmission第26页
        1.2.7 Parhogenesis and Clinical features of BVDV第26-29页
        1.2.8 Economical importance第29页
        1.2.9 Diagnosis第29-32页
        1.2.10 BVDV immune response第32-33页
        1.2.11 BVDV vaccines第33-34页
        1.2.12 Live vector-based vaccine第34-37页
        1.2.13 BVDV immunization第37-38页
        1.2.14 Control and eradication第38-40页
        1.2.15 Objectives of the study第40-41页
CHAPTER 2. THE CONSTRUCTION OF RECOMBINANT LACTOBACILLUS CASEI EXPRESSING BVDV E2 PROTEIN AND ITS IMMUNE RESPONSE IN MICE第41-72页
    2.2 INTRODUCTION第41-43页
    2.3 MATERIALS AND METHODS第43-58页
        2.3.1 Cells and virus第43页
        2.3.2 Vectors and bacterial strains第43-44页
        2.3.3 Experimental animals第44页
        2.3.4 Instruments used第44页
        2.3.5 Common reagent第44-45页
        2.3.6 Reagents required for SDS-PAGE and Western-blot analysis第45页
        2.3.7 Solutions and preparation required for protein purification第45-46页
        2.3.8 ELISA test solution preparation required第46页
        2.3.9 Cell culture medium preparation第46-47页
        2.3.10 Intestinal lavage preparation solutions第47页
        2.3.11 Primer and probe第47页
        2.3.12 Propagation of BVDV第47-48页
        2.3.13 RNA extraction and cDNA preparation第48页
        2.3.14 BVDV E2 gene amplification第48页
        2.3.15 Purification of the amplified E2 gene第48-49页
        2.3.16 Digestion of pELX1 vector第49-50页
        2.3.17 Digestion of E2 gene第50页
        2.3.18 Ligation of purified E2 gene with pELX1vector第50页
        2.3.19 Preparation of DH5α competent cells第50-51页
        2.3.20 Transformation of ligated products第51页
        2.3.21 Extraction of recombinant plasmid and sequence analysis第51页
        2.3.22 Identification of recombinant plasmid pELX1-E2 by digestion第51页
        2.3.23 Transformation of recombinant plasmid pELX1-E2第51页
        2.3.24 Protein expression and analysis第51-53页
        2.3.25 Electroporation into L. casei competent cells第53页
        2.3.26 RT-PCR and sequence analysis of recombinant strain L.casei/pELX1-E2第53-54页
        2.3.27 E2 protein expression and cellular localization of recombinant L.casei第54页
        2.3.28 In vivo evaluation of the recombinant L. casei/pELX1-E2第54-56页
        2.3.29 Protein purification for ELISA development第56页
        2.3.30 ELISA for IgG and IgA第56-57页
        2.3.31 Challenge experiment第57页
        2.3.32 Viral load quantitation第57-58页
        2.3.33 Serum neutralization assay第58页
        2.3.34 Statistical Analysis第58页
    2.4 RESULTS第58-67页
        2.4.1 Amplification of BVDV E2 gene and Identification of the recombinant vectorp ELX1-E2第58-60页
        2.4.2 Expression and localization of E2 from recombinant L.casei/pELX1-E2第60-62页
        2.4.3 Humoral immune responses in mice immunized with recombinant L. casei/pELX1-E2第62-64页
        2.4.4 IFNγ and IL-12 detection第64-65页
        2.4.5 Protection against BVDV challenge第65-66页
        2.4.6 Neutralizing ability of BVDV infection in MDBK cell第66-67页
    2.5 DISCUSSION第67-71页
        2.5.1 The BVDV E2 protein is of potential immunological importance for novel vaceine development第67-68页
        2.5.2 L.casei is a good vector for constructing new vaceine for eliciting mucosal immunity第68-69页
        2.5.3 The roles of humoral and cell-mediated response on prevention of BVD第69-70页
        2.5.4 The immune response can be affected by the immunization approaches第70-71页
    2.6 CONCLUSION第71-72页
CHAPTER 3. IN VITRO ANTIVIRAL ACTIVITY OF LACTOBACILLUS CASEI MCJ PROTEIN-BASED METABOLITES ON BOVE VIRAL DIARRHEA VIRUS第72-84页
    3.2 INTRODUCTION第72-74页
    3.3 MATERIALS AND METHODS第74-77页
        3.3.1 Cells preparation and titration of virus第74页
        3.3.2 Preparation of L.casei protein metabolites第74页
        3.3.3 Cytotoxicity assay第74-75页
        3.3.4 Plaque reduction assay第75页
        3.3.5 Effect of LPM on viral infection第75-77页
    3.4 RESULTS第77-81页
        3.4.1 Toxic effects on cell第77-78页
        3.4.2 LPM inhibits BVDV infectivity第78页
        3.4.3 Inhibitory effects of LPM on E2 expression第78-79页
        3.4.4 Anti-BVDV activity detection by indirect immunofluorescence antibody assay第79-80页
        3.4.5 Inhibition on BVDV replication第80-81页
    3.5 DISCUSSION第81-83页
    3.6 CONCLUSION第83-84页
CHAPTER 4. DEVELOPMENT OF MONOCLONAL AND POLYCLONAL ANTIBODY-BASED AC-ELISA FOR THE DETECTION OF BVDV-1 INFECTION第84-114页
    4.2 INTRODUCTION第84-87页
    4.3 MATERIALS AND METHODS第87-98页
        4.3.1 Cells,viruses,bacteria,and plasmid第87页
        4.3.2 Experimental animals第87-88页
        4.3.3 Reagents第88页
        4.3.4 Cloning,expression and purification of the recombinant E2 protein第88页
        4.3.5 Cloning,expression and purification of the recombinant NS3 protein第88-89页
        4.3.6 Anti-E2 monoclonal antibodies production第89-94页
        4.3.7 Anti-NS3 polyclonal antibody productions第94页
        4.3.8 Development of AC-ELISA第94-97页
        4.3.9 Validation of AC-ELISA第97-98页
    4.4 RESULTS第98-109页
        4.4.1 Construction of recombinant NS3 plasmid第98-99页
        4.4.2 Confirmation of NS3 protein expression第99-100页
        4.4.3 Hybridoma selection and monoclonal antibody production第100页
        4.4.4 Analysis of polyclonal antibodies第100-101页
        4.4.5 Development of AC-ELISA for BVDV antigen detection第101-109页
    4.5 DISCUSSION第109-113页
        4.5.1 Comparison of AC-ELISA assay with other antigen detection assays第109页
        4.5.2 Reasons of using both E2 Mab and NS3 Pab:第109-111页
        4.5.3 Comparisons with other developed ELISA assays for BVDV第111页
        4.5.4 Discussion about AC-ELISA validation evaluation第111-113页
    4.6 CONCLUSION第113-114页
CHAPTER 5. GENERAL CONCLUSION, INNOVATION, AND FUTURE DIRECTION OF THE STUDY第114-116页
    5.1 GENERAL CONCLUSION第114-115页
    5.2 INNOVATIONS OF THE STUDY第115页
    5.3 FUTURE DIRECTION OF THE STUDY第115-116页
REFERENCES第116-137页
ACKNOWLEDGEMENTS第137-139页
SCIENTIFIC CONTRIBUTION DURING PHD第139-141页
ABOUT AUTHOR第141页

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