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Studies of interferon-inducible transmembrane proteins and interferons on DNA synthesis and proliferation in H9C2 cardiomyoblasts.

Lau Lai Yee. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2006. / Includes bibliographical references (leaves 125-141). / Abstracts in English and Chinese. / Abstract --- p.i / 論文摘要 --- p.iii / Acknowledgement --- p.v / Table of Contents --- p.vii / List of Figures --- p.xii / List of Tables --- p.xiv / Abbreviations --- p.xvii / Chapter CHAPTER 1 --- INTRODUCTION / Chapter 1.1 --- Research initiative and significance --- p.1 / Chapter 1.2 --- Terminal differentiation --- p.4 / Chapter 1.3 --- Controversial terminal differentiation in cardiomyocytes --- p.5 / Chapter 1.4 --- Molecular switch from hyperplasia to hypertrophy in neonatal myocardial development --- p.7 / Chapter 1.5 --- Interferons --- p.8 / Chapter 1.6 --- Functions induced by interferons --- p.9 / Chapter 1.7 --- Interferons in cardiomyocytes --- p.12 / Chapter 1.8 --- Interferon-inducible transmembrane gene family --- p.13 / Chapter 1.9 --- Our hypothesis and objective --- p.16 / Chapter CHAPTER 2 --- MATERIALS AND METHODS / Chapter 2.1 --- Sequence analysis --- p.18 / Chapter 2.2 --- Cell culture --- p.18 / Chapter 2.3 --- Induction of differentiation of H9C2 cells --- p.19 / Chapter 2.4 --- In vitro induction of IFITMs by interferon treatments --- p.19 / Chapter 2.5 --- RNA isolation --- p.20 / Chapter 2.5.1 --- Experimental animals and sampling --- p.20 / Chapter 2.5.2 --- Total RNA Isolation --- p.20 / Chapter 2.5.3 --- RNA Quantification and Quality Check --- p.21 / Chapter 2.5.4 --- Purification by Qiagen-RNeasy Column and DNase I Digestion --- p.21 / Chapter 2.6 --- First-strand cDNA synthesis --- p.22 / Chapter 2.7 --- Quantitative real-time polymerase chain reaction --- p.22 / Chapter 2.8 --- Cloning protocol --- p.25 / Chapter 2.8.1 --- "Construction of pEGFP-IFITMl, pEGFP-IFITM2 and pEGFP-IFITM3 fusion proteins" --- p.25 / Chapter 2.8.1.1 --- Amplification of DNA fragments --- p.25 / Chapter 2.8.1.2 --- Purification of PCR product --- p.26 / Chapter 2.8.1.3 --- Restriction endonuclease digestion --- p.26 / Chapter 2.8.1.4 --- Insert/vector ligation --- p.27 / Chapter 2.8.1.5 --- Preparation of chemically competent bacterial cells --- p.27 / Chapter 2.8.1.6 --- Transformation of ligation product into chemically competent bacterial cells DH5a --- p.28 / Chapter 2.8.1.7 --- Recombinant clone screening by PCR --- p.29 / Chapter 2.8.1.8 --- Small-scale preparation of recombinant plasmid DNA --- p.29 / Chapter 2.8.1.9 --- Dideoxy DNA sequencing --- p.30 / Chapter 2.8.1.10 --- Large-scale preparation of recombinant plasmid DNA --- p.30 / Chapter 2.8.2 --- "Construction of IFITMl-pcDNA4, IFITM2-pcDNA4 and IFITM3- pcDNA4 constructs" --- p.33 / Chapter 2.8.2.1 --- Amplification of DNA fragments --- p.33 / Chapter 2.8.2.2 --- Insert/vector ligation --- p.33 / Chapter 2.8.2.3 --- Transformation of ligation product into one shot® TOP1 OF´ة chemically competent E. coli cells --- p.34 / Chapter 2.9 --- Transient transfection --- p.36 / Chapter 2.10 --- Subcellular fractionation --- p.37 / Chapter 2.11 --- Isolation of total protein cell lysate --- p.38 / Chapter 2.12 --- Protein concentration determination --- p.38 / Chapter 2.13 --- Protein gel electrophoresis and western blotting --- p.39 / Chapter 2.13.1 --- Preparation of SDS-polyacrylamide gel --- p.39 / Chapter 2.13.2 --- Preparation of protein samples --- p.39 / Chapter 2.13.3 --- SDS-polyacrylamide gel electrophoresis --- p.40 / Chapter 2.13.4 --- Protein transfer to nylon membrane --- p.40 / Chapter 2.13.5 --- Antibodies and detection --- p.40 / Chapter 2.13.6 --- Stripping membrane --- p.41 / Chapter 2.14 --- Bromodeoxyuridine proliferation assay --- p.42 / Chapter 2.14.1 --- Bromodeoxyuridine labeling and detection --- p.42 / Chapter 2.14.2 --- Cell number determination --- p.42 / Chapter 2.15 --- Fluorescence microscopy --- p.43 / Chapter 2.16 --- Confocal microscopy --- p.43 / Chapter 2.17 --- Statistical analysis --- p.44 / Chapter CHAPTER 3 --- RESULTS / Chapter 3.1 --- Sequence analysis --- p.45 / Chapter 3.1.1 --- Primary structure analysis --- p.45 / Chapter 3.1.2 --- Transmembrane he lice prediction --- p.46 / Chapter 3.1.3 --- Conserved domain prediction --- p.51 / Chapter 3.1.4 --- Sequence alignments across different species --- p.52 / Chapter 3.2 --- Differential expression during rat myocardial development --- p.53 / Chapter 3.3 --- Altered mRNA levels during differentiation of H9C2 cells --- p.55 / Chapter 3.4 --- "Cloning of IFITMl, IFITM2 and IFITM3" --- p.60 / Chapter 3.5 --- Subcellular localization --- p.61 / Chapter 3.5.1 --- Fluorescence microscopy --- p.61 / Chapter 3.5.2 --- Subcellular fractionation --- p.70 / Chapter 3.6 --- "In vitro induction by interferons-α, β and γ" --- p.72 / Chapter 3.7 --- "DNA synthesis after in vitro induction of interferons-α, β and γ" --- p.79 / Chapter 3.8 --- "Proliferating cell nuclear antigen expression after in vitro induction of interferons-α, β and γ" --- p.87 / Chapter 3.9 --- "DNA synthesis after overexpression of IFITM1, IFITM2 and IFITM3" --- p.93 / Chapter 3.10 --- "Proliferating cell nuclear antigen expression after overexpression of IFITM1, IFITM2 and IFITM3" --- p.95 / Chapter 3.11 --- "β-catenin and cyclin D1 expression after in vitro induction of interferons-α, β and γ" --- p.97 / Chapter 3.12 --- "β-catenin and cyclin D1 expression after overexpression of IFITMl, IFITM2 and IFITM3" --- p.101 / Chapter CHAPTER 4 --- DISCUSSION / Chapter 4.1 --- "Upregulation of IlFITMl, IFITM2 and IFITM3 during myocardial development" --- p.103 / Chapter 4.2 --- "Subcellular localization of IFITMl, IFITM2 and IFITM3" --- p.105 / Chapter 4.3 --- "Induction by interferons-α, β and γ" --- p.107 / Chapter 4.4 --- Inhibition of DNA synthesis by interferons-α and β and IFITM1 --- p.109 / Chapter 4.5 --- Involvement of IFITM family in canonical Wnt pathway --- p.112 / Chapter 4.6 --- Other possible pathways involved --- p.117 / Chapter CHAPTER 5 --- FUTURE PROSPECTS / Chapter 5.1 --- Production of antibodies --- p.118 / Chapter 5.2 --- Silencing or knockout approach --- p.118 / Chapter 5.3 --- Target genes of Wnt/β-catenin signaling --- p.119 / Chapter 5.4 --- Other signaling pathways involved --- p.119 / Chapter 5.5 --- Use of primary cardiomyocytes --- p.120 / APPENDIX --- p.121 / REFERENCES --- p.124

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_325646
Date January 2006
ContributorsLau, Lai Yee., 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, 141 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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