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Study on the Influence of Genetic Polymorphisms on Gastric Cancer Susceptibility in Northern Jiangsu (China)

ABSTRACT第4-7页
Chapter 1 Introduction第11-76页
    1.1. Gastric cancer epidemiology第11-12页
    1.2. Genetic variations and gastric cancer risk第12-13页
    1.3. Reactive oxygen species(ROS)第13-19页
        1.3.1. Biochemistry of reactive oxygen specics(ROS)第14-16页
        1.3.2. Role of ROS in the development of human cancer第16-18页
        1.3.3. Reactive oxygen species(ROS)and DNA repair第18-19页
    1.4. Base Excision Repair(BER)第19-26页
        1.4.1. Basic mechanisms for base excision repair(BER)第20-22页
        1.4.2. Role of DNA glycosylases in BER第22-24页
        1.4.3. BER in Mitochondria第24-26页
    1.5. Genotyping of single nucleotide polymorphisms(SNPs)第26-42页
        1.5.1. Hybridization based methods第27-31页
            1.5.1.1. Dynamic allele-specific hybridization(DASH)第28页
            1.5.1.2. Molecular beacons第28-29页
            1.5.1.3. TaqMan assay第29-30页
            1.5.1.4. SNP microarrays第30-31页
        1.5.2. Enzyme based methods第31-35页
            1.5.2.1. Restriction fragment length polymorphism(RFLP)第31-32页
            1.5.2.2. Primer extension第32-34页
            1.5.2.3. Sequenom's iPLEX SNP genotyping第34页
            1.5.2.4. SNP detection based on magnetic nanoparticles array and dual-color single base extension第34-35页
        1.5.3. Allele-specific ligation第35-38页
            1.5.3.1. Pyrosequencing第36-37页
            1.5.3.2. Illumina Infinium assay第37-38页
        1.5.4. Single strand conformation polymorphism(SSCP)第38-39页
        1.5.5. Temperature gradient gel electrophoresis(TGGE)第39-40页
        1.5.6. Denaturing high performance liquid chromatography(DHPLC)第40-42页
    1.6. Single Nucleotide Polymorphisms(SNPs)第42-55页
        1.6.1. Apurinic/apyrimidinic endonuclease 1(APE 1)第42-46页
            1.6.1.1. Mechanisms of action of APE1第42-44页
            1.6.1.2. Role of APE1 variants in carcinogenesis第44-45页
            1.6.1.3. APE1 SNPs and cancer risk第45-46页
        1.6.2. Nei-like 2(NEIL2)第46-48页
            1.6.2.1. Mechanism of action of NEIL2 in DNA repair第47页
            1.6.2.2. NETL2 SNP(rs804270)第47-48页
        1.6.3. Mouse Double Minute 2 gene(MDM2)第48-51页
            1.6.3.1. Mechanism of action of MDM2第49-50页
            1.6.3.2. MDM2 SNP(rs2279744)第50-51页
        1.6.4. CYP2E1第51-55页
            1.6.4.1. C-1053C-T(RsaI)SNP(rs 2031920)第53-54页
            1.6.4.2. CYP2E1 SNP(rs2480256)第54-55页
    Chapter 1 summary第55-56页
    REFERENCES第56-76页
Chapter 2 Materials and Instruments第76-90页
    2.1. Materials第76-80页
        2.1.1. Chemicals,reagents,primers,and probes第76页
        2.1.2. DNA Extraction第76-78页
        2.1.3. Total RNA extraction第78-80页
    2.2. Preparation and Characterization of Magnetic Nanomaterials第80-87页
        2.2.1. Preparation and characterization of Fe_3O_4 magnetic nanoparticles(MNPs)第80-81页
        2.2.2. Preparation and characterization of SiO_2@Fe_3O_4 core-shell MNPs第81-82页
        2.2.3. Preparation and characterization of three-layer core-shell Fe_3O_4@SiO_2@Au MNPs第82-87页
    2.3. Instruments第87-88页
    Chapter 2 summary第88-89页
    REFERENCES第89-90页
Chapter 3 Genetic Polymorphisms and Gastric Cancer Risk in Northern Jiangsu(China)Based on Magnetic Nanomaterials Genotyping第90-103页
    3.1. NEIL2(rs804270)SNP genotyping using single base extension(SBE)assay based on core-shellFe_3O_4@SiO_2@Au MNPs第90-91页
    3.2. Functionalization and immobilization of Fe_3O_4@SiO_2@Au MNPs with streptavidin第91-93页
    3.3. NEIL2 PCR and SBE genotyping reactions第93-98页
    Chapter 3 summary第98页
    REFERENCES第98-103页
Chapter 4 Genetic Polymorphisms and Gastric Cancer Risk in Northern Jiangsu(China)Based onRT-PCR Genotyping Technique第103-131页
    4.1. TaqMan RT-PCR SNP genotyping assay第103-105页
    4.2. Statistical analysis第105-109页
    4.3. Frequency distribution of genotypes among gastric cancer cases and controls第109-110页
    4.4. Association of genotypes and gastric cancer risk第110-112页
    4.5. NEIL2(rs804270)SNP and its association with susceptibility to gastric cancer第112-116页
    4.6. APE1(rs2275008)and its association with susceptibility to gastric cancer第116-117页
    4.7. CYP2E1 SNPs and their association with susceptibility to gastric cancer第117-119页
    4.8. MDM2 SNP(rs2279744)and its association with susceptibility to gastric cancer第119-121页
    4.9. SYBR Green Ⅰ(?)Quantitative Real-time PCR(qPCR)第121-122页
    4.10. Differential expression of NEIL2 mRNA among NEIL2 genotypes第122-125页
    Chapter 4 summary第125页
    REFERENCES第125-131页
Chapter 5 Conclusion and Prospective第131-133页
Appendix第133-135页
ACKNOWLEDGEMENTS第135-137页

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