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帕金蛋白通过增强自噬来缓解PrP106-126引起神经元凋亡的机制研究

摘要第6-8页
Abstract第8-9页
List of abbreviations第15-17页
1 Introduction第17-43页
    1.1 Animal prion diseases第17-20页
        1.1.1 Scrapie第17-18页
        1.1.2 Bovine spongiform encephalopathy第18页
        1.1.3 Chronic wasting disease第18-19页
        1.1.4 Transmissible mink encephalopathy第19页
        1.1.5 Feline and other animal prion diseases第19-20页
    1.2 Human prion diseases第20-24页
        1.2.1 Sporadic prion disease第20页
        1.2.2 Inherited prion disease第20-21页
        1.2.3 Acquired prion disease第21-24页
    1.3 The infective agent "Prion" and its propagation第24-28页
        1.3.1 The Prion strains第26-27页
        1.3.2 Characteristics of "Prion"第27页
        1.3.3 Pathogenic mechanism第27-28页
    1.4 Similarity of Prions with other neurodegenerative diseases第28-29页
    1.5 Cellular quality control mechanisms第29-34页
        1.5.1 Ubiquitin-proteasomal pathway第29-32页
        1.5.2 Autophgy-lysosomal Pathway第32-34页
    1.6 Parkin第34-42页
        1.6.1 Parkin and misfolded proteins第35-38页
        1.6.2 Parkin and mitophagy第38-40页
        1.6.3 Parkin and neurodegenerative diseases第40页
        1.6.4 Parkin as neuroprotective agent against diverse range of toxic insults第40-42页
    1.7 Aims and Objectives第42-43页
2 Materials and Methods (General)第43-51页
    2.1 Cell line and Cell culture第43-44页
        2.1.1 Propagation of cell lines第43-44页
    2.2 PrP106-126 preperation and cells treatment第44页
    2.3 Methods for the detection of proteins第44-46页
        2.3.1 Western blot analysis第44-46页
    2.4 Cell biology第46-47页
        2.4.1 Annexin V assay,measurement of apoptotic and dead cells第46页
        2.4.2 Cell Proliferation and Cytotoxicity Assay第46-47页
    2.5 Immunocytochemistry and confocal microscopy第47-48页
        2.5.1 Preparation of coverslips第47页
        2.5.2 Cell growth and treatment with FITC-tagged PrP106-126第47页
        2.5.3 Fixation and Blocking第47页
        2.5.4 Incubation with antibodies第47-48页
        2.5.5 Counter staining and Mounting第48页
        2.5.6 Confocal microscope imaging第48页
    2.6 Transfection of Cells第48-49页
        2.6.1 Transfection optimization for N2a cells第48页
        2.6.2 Complexes preparation第48页
        2.6.3 Cells Transfection and treatment第48-49页
    2.7 Preparation of cytosolic and mitochondrial fractions第49页
    2.8 Reagents Used第49-50页
    2.9 Statistical analysis第50-51页
3. Results第51-78页
    Part Ⅰ:Slacken Parkin Solubilty and its Co-localization with PrP106-126第51-59页
        1 Introduction第51-52页
        2 Materials and methods第52-53页
            2.1 PrP106-126 peptide and cell culture treatment第52页
            2.2 Cells harvesting and western blot analysis第52页
            2.3 Immunocytochemistry and confocal microscopy第52-53页
        3 Results第53-57页
            3.1 The effect of prion peptides on soluble Parkin Level第53-55页
            3.2 Parkin colocalizes with intracellular FITC-PrP106-126 in N2a cells第55-57页
        4 Discussion第57-58页
        5 Conclusion第58-59页
    Part Ⅱ:Parkin Expression Alleviates PrP106-126 Induced Toxicity and Enhances CellSurvival第59-69页
        1 Introduction第59-60页
        2 Materials and methods第60-61页
            2.1 Transfection optimization for N2a cells第60页
            2.2 Cells Transfection and treatment第60-61页
            2.3 Annexin V assay for the measurement of apoptotic and dead cells第61页
            2.4 Cell Proliferation and Cytotoxicity Assay第61页
        3 Results第61-67页
            3.1 Minimization of Transfection-related neurotoxicity第61-65页
            3.2 Parkin overexpression enhances cells survival第65页
            3.3 Parkin overexpression alleviates neuronal apoptosis induced by PrP106-126第65-67页
        4 Discussion第67-68页
        5 Conclusion第68-69页
    Part Ⅲ:Parkin overexpression allivates PrP106-126 induced cytotoxicity via enhanced autophagy in N2a cells第69-78页
        1 Introduction第69-70页
        2 Materials and methods第70-71页
            2.1 Cells Transfection and treatments第70页
            2.2 Preparation of cytosolic and mitochondrial fractions第70-71页
            2.3 Western blot analysis of cytosolic and mitochondrial fractions第71页
        3 Results第71-75页
            3.1 Parkin overexpression promotes autophagy in PrP106-126-treated N2a cells第71-73页
            3.2 Parkin overexpression disrupts the mitochondrial apoptotic pathway in PrP106-126-treated N2a cells第73-75页
        4 Discussion第75-77页
        5 Conclusion第77-78页
4. GENERAL CONCLUSION第78-79页
Innovation第79-80页
References第80-99页
Acknowledgement第99-101页
Author CV第101-102页

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