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The roles of non structural protein NS1 from influenza virus A, B and C on cytokine dysregulation and cellular gene expression.

Chan, Wing Tung. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2008. / Includes bibliographical references (leaves 129-152). / Abstracts in English and Chinese. / Acknowledgements --- p.2 / Abstract --- p.3 / 摘要 --- p.5 / Table of Contents --- p.7 / List of Abbreviations and symbols --- p.13 / Chapter Chapter 1 --- Introduction / Chapter 1.1 --- Epidemics and pandemics of influenza virus --- p.17 / Chapter 1.2 --- Biology of influenza virus --- p.19 / Chapter 1.2.1 --- Types of influenza virus --- p.19 / Chapter 1.2.2 --- Viral structure and viral proteins --- p.20 / Chapter 1.2.3 --- Life cycle of influenza virus --- p.21 / Chapter 1.2.4 --- An ever-changing virus --- p.22 / Chapter 1.3 --- Pathogenesis and immunology of influenza virus --- p.24 / Chapter 1.3.1 --- Diseases and symptoms caused by influenza virus infection --- p.24 / Chapter 1.3.2 --- Production of cytokines during influenza virus infection --- p.25 / Chapter 1.3.3 --- Immune responses in the hosts --- p.27 / Chapter 1.4 --- Non-structural protein 1 (NS1) --- p.28 / Chapter 1.4.1 --- Overview of NS1 --- p.28 / Chapter 1.4.2 --- Roles of NS1 in influenza virus infection --- p.29 / Chapter 1.5 --- Aims of study --- p.33 / Chapter Chapter 2 --- Materials and Methods / Chapter 2.1 --- Materials --- p.34 / Chapter 2.1.1 --- Chemical reagents --- p.34 / Chapter 2.1.2 --- Buffers --- p.37 / Chapter 2.1.2.1 --- Preparation of buffers --- p.37 / Chapter 2.1.2.2 --- Commonly used buffers --- p.37 / Chapter 2.1.3 --- Strains and plasmids --- p.40 / Chapter 2.1.4 --- Primer list --- p.40 / Chapter 2.2 --- Methods --- p.42 / Chapter 2.2.1 --- Preparation of competent cells --- p.42 / Chapter 2.2.2 --- Molecular cloning --- p.43 / Chapter 2.2.2.1 --- Amplification of the target genes by PCR --- p.43 / Chapter 2.2.2.2 --- Agarose gel electrophoresis --- p.43 / Chapter 2.2.2.3 --- Extraction and purification of DNA from agarose gels --- p.44 / Chapter 2.2.2.4 --- Restriction digestion of DNA --- p.45 / Chapter 2.2.2.5 --- Ligation of digested insert and expression vector --- p.45 / Chapter 2.2.2.6 --- Transformation and plating out transformants --- p.46 / Chapter 2.2.2.7 --- Verification of insert by PCR --- p.46 / Chapter 2.2.2.8 --- Mini-preparation of plasmid DNA --- p.47 / Chapter 2.2.2.9 --- Confirmation of insertion in the miniprep DNA by restriction digestion --- p.48 / Chapter 2.2.2.10 --- Sequencing of the plasmid DNA --- p.48 / Chapter 2.2.3 --- Cell culture --- p.53 / Chapter 2.2.3.1 --- Cultivation of human lung epithelial NCI-H292 cells --- p.53 / Chapter 2.2.3.2 --- Transfection of cell culture --- p.53 / Chapter 2.2.4 --- Western blot analysis --- p.54 / Chapter 2.2.4.1 --- Protein extraction --- p.54 / Chapter 2.2.4.2 --- Determination of protein concentration --- p.54 / Chapter 2.2.4.3 --- Protein Blotting --- p.55 / Chapter 2.2.4.4 --- Membrane blocking and antibody incubations --- p.56 / Chapter 2.2.4.5 --- Detection of proteins --- p.57 / Chapter 2.2.5 --- Total RNA extraction --- p.58 / Chapter 2.2.5.1 --- Preparation of cell culture for total RNA extraction --- p.58 / Chapter 2.2.5.2 --- Spectrophotometric analysis of total RNA --- p.58 / Chapter 2.2.5.3 --- Agarose gel electrophoresis of total RNA --- p.59 / Chapter 2.2.6 --- DNA Microarray --- p.60 / Chapter 2.2.6.1 --- Preparation of biotin-labeled antisense cRNA --- p.60 / Chapter 2.2.6.2 --- "Hybridization, washing and scanning of DNA microarray chips" --- p.60 / Chapter 2.2.6.3 --- Data processing and analysis --- p.61 / Chapter 2.2.7 --- Quantitative real-time PCR (QRT-PCR) --- p.62 / Chapter 2.2.7.1 --- Preparation of cDNA --- p.62 / Chapter 2.2.7.2 --- Analysis of mRNA gene expression by QRT-PCR --- p.62 / Chapter Chapter 3 --- Roles of NS1A and NS1B on cellular gene expression / Chapter 3.1 --- Introduction --- p.63 / Chapter 3.2 --- Results --- p.67 / Chapter 3.2.1 --- NS1 protein expression in transfected NCI-H292 cells --- p.67 / Chapter 3.2.2 --- Purity and integrity of total RNA extracted --- p.67 / Chapter 3.2.3 --- Microarray data processing and analysis --- p.70 / Chapter 3.2.3.1 --- Genes perturbed by NS1A --- p.88 / Chapter 3.2.3.1.1 --- Effect of NS1A on antiviral gene expression --- p.91 / Chapter 3.2.3.1.2 --- Regulation of JAK-STAT pathway by NS1A --- p.92 / Chapter 3.2.3.2 --- Genes perturbed by NS1B --- p.93 / Chapter 3.2.3.2.1 --- Effects of NS1B on IFN-stimulated gene expression --- p.96 / Chapter 3.2.3.3 --- Genes perturbed by both NS1A and NS1B --- p.96 / Chapter 3.2.4 --- Verification of differentially expressed genes --- p.98 / Chapter 3.3 --- Discussion --- p.100 / Chapter 3.3.1 --- Human lung epithelial cell line as a model --- p.100 / Chapter 3.3.2 --- DNA microarray technology --- p.101 / Chapter 3.3.3 --- Different actions of NS1A and NS1B on host cell gene expression --- p.102 / Chapter 3.3.4 --- Novel roles of NSIA --- p.103 / Chapter 3.3.5 --- Novel role of NSIB --- p.107 / Chapter 3.3.6 --- Implications --- p.108 / Chapter Chapter 4 --- "Roles of NSIA, NS1B and NS1C on cytokine expression" / Chapter 4.1 --- Introduction --- p.109 / Chapter 4.2 --- Results --- p.113 / Chapter 4.2.1 --- NS1 protein expression in transfected NCI-H292 cells --- p.113 / Chapter 4.2.2 --- Purity and integrity of total RNA extracted --- p.113 / Chapter 4.2.3 --- QRT-PCR --- p.116 / Chapter 4.3 --- Discussion --- p.119 / Chapter 4.3.1 --- Human lung epithelial cell line as a model for cytokine study --- p.119 / Chapter 4.3.2 --- Implications of different cytokine patterns induced by different NS1 proteins --- p.120 / Chapter Chapter 5 --- General Discussion and Future Perspectives --- p.125 / References --- p.129

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_326293
Date January 2008
ContributorsChan, Wing Tung., Chinese University of Hong Kong Graduate School. Division of Molecular Biotechnology.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, 153 leaves : ill. (some col.) ; 30 cm.
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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