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Apoptotic and proteomic study of two bioactive compounds isolated from Sophora flavescens on human hepatocellular carcinoma. / Apoptotic & proteomic study of two bioactive compounds isolated from Sophora flavescens on human hepatocellular carcinoma

Cheung Sao Fong. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2006. / Includes bibliographical references (leaves xxiv-xxxvii). / Abstracts in English and Chinese. / Examination Committee List --- p.i / Declaration --- p.ii / Acknowledgements --- p.iii / Abstract --- p.v / Abstract in Chinese --- p.viii / List of Figures and Tables --- p.x / List of Abbreviations --- p.xix / Table of Content --- p.xxiii / Chapter Chapter 1 --- INTRODUCTION --- p.1 / Chapter 1.1 --- Human Liver Cancer --- p.1 / Chapter 1.1.1 --- Incidence of Hepatocellular Carcinoma --- p.1 / Chapter 1.1.2 --- Causes and Symptoms of Hepatocellular Carcinoma --- p.4 / Chapter 1.1.3 --- Treatment Options for Hepatocellular Carcinoma --- p.4 / Chapter 1.1.4 --- Multi-drug Resistance --- p.5 / Chapter 1.1.4.1 --- Mechanisms of Multi-drug Resistance --- p.5 / Chapter 1.2 --- Traditional Chinese Medicine --- p.10 / Chapter 1.2.1 --- Sophora flavescens and Radix Sophorae --- p.10 / Chapter 1.2.2 --- Flavonoid and its Sub-classification --- p.13 / Chapter 1.2.3 --- Flavonoid and Human Health --- p.15 / Chapter 1.3 --- Cell Death --- p.17 / Chapter 1.3.1 --- Necrosis --- p.17 / Chapter 1.3.2 --- Apoptosis --- p.17 / Chapter 1.3.3 --- Signaling Pathways in Apoptosis --- p.18 / Chapter 1.3.3.1 --- Extrinsic (Death Receptor-mediated) Pathway --- p.20 / Chapter 1.3.3.2 --- Intrinsic (Mitochondrial) Pathway --- p.21 / Chapter 1.3.3.3 --- Cysteine Aspartatic Acid Proteases --- p.21 / Chapter 1.4 --- Research Objective (s) --- p.22 / Chapter Chapter 2 --- MATERIALS AND METHODS --- p.23 / Chapter 2.1 --- Materials --- p.23 / Chapter 2.1.1 --- Cell Lines --- p.23 / Chapter 2.1.1.1 --- HepG2 --- p.24 / Chapter 2.1.1.2 --- RHepG2 --- p.24 / Chapter 2.1.1.3 --- WRL-68 --- p.25 / Chapter 2.1.2 --- Culture Media --- p.26 / Chapter 2.1.2.1 --- Rosewell Park Memorial Institute( RPMl) 1640 Medium --- p.26 / Chapter 2.1.2.2 --- Dulbecco's Modified Eagle's Medium (DMEM) --- p.26 / Chapter 2.1.3 --- Animals --- p.27 / Chapter 2.2 --- Traditional Chinese Medicines and Conventional Anti-cancer Drugs --- p.27 / Chapter 2.3 --- Antibodies --- p.29 / Chapter 2.4 --- Chemicals --- p.30 / Chapter 2.5 --- Reagents and Buffers --- p.34 / Chapter 2.5.1 --- Reagents for Silica Gel Column Chromatography --- p.34 / Chapter 2.5.2 --- Buffers for Common Use --- p.34 / Chapter 2.5.3 --- Reagents for Cell Viability Assay --- p.35 / Chapter 2.5.4 --- Reagents and Buffers for Typical Apoptosis Experiments --- p.35 / Chapter 2.5.4.1 --- Cell Cycle Analysis --- p.35 / Chapter 2.5.4.2 --- Terminal Deoxynucleotidyl Transferase-mediated dUTP Nick End Labeling (TUNEL) Assay --- p.35 / Chapter 2.5.4.3 --- DNA Fragmentation Detection --- p.35 / Chapter 2.5.5 --- Reagents and Buffers for Western Blot Study --- p.36 / Chapter 2.5.5.1 --- Whole-cell Protein Extraction --- p.38 / Chapter 2.5.5.2 --- Mitochondrial and Cytosolic Fraction Protein Extraction --- p.38 / Chapter 2.5.6 --- Reagents and Buffers for Mitochondrial Transmembrane Potential Depolarization Measurement --- p.39 / Chapter 2.5.7 --- Reagents and Buffers for in vivo Animal Study --- p.39 / Chapter 2.5.8 --- Reagents and Buffers for Two-Dimensional Gel Electrophoresis --- p.40 / Chapter 2.5.8.1 --- Sample Preparation --- p.40 / Chapter 2.5.8.2 --- First Dimension Gel Electrophoresis - Isoelectric Focusing (IEF) --- p.40 / Chapter 2.5.8.3 --- Second Dimension Gel 日ectrophoresis - SDS-Polyacrylamide Gel Electrophoresis (SDS-PAGE) --- p.40 / Chapter 2.5.8.4 --- Silver Staining --- p.41 / Chapter 2.5.9 --- Reagents for Mass Spectrometry Preparation --- p.42 / Chapter 2.5.9.1 --- Destaining --- p.42 / Chapter 2.5.9.2 --- Trypsin Digestion --- p.42 / Chapter 2.5.9.3 --- Desalting of Peptide Mixture --- p.43 / Chapter 2.5.10 --- Reagents and Buffers for Real-Time PCR --- p.43 / Chapter 2.6 --- Methods --- p.44 / Chapter 2.6.1 --- Isolation of Bioactive Constituents by Silica Gel Column Chromatography --- p.44 / Chapter 2.6.2 --- Cell Viability Assay --- p.45 / Chapter 2.6.3 --- Typical Apoptosis Experiments --- p.45 / Chapter 2.6.3.1 --- Cell Cycle Analysis --- p.46 / Chapter 2.6.3.2 --- Annexin V-FITC/ PI Staining Experiment --- p.47 / Chapter 2.6.3.3 --- Terminal Deoxynucleotidyl Transferase-mediated dUTP Nick End Labeling (TUNEL) Assay --- p.48 / Chapter 2.6.3.4 --- DNA Fragmentation Reaction --- p.48 / Chapter 2.6.4 --- Western Blot Study --- p.49 / Chapter 2.6.4.1 --- Whole-cell Protein Extraction --- p.49 / Chapter 2.6.4.2 --- Mitochondrial and Cytosolic Fraction Protein Extraction --- p.50 / Chapter 2.6.5 --- Caspase Activity Determination --- p.54 / Chapter 2.6.6 --- Mitochondrial Transmembrane Potential Depolarization Measurement --- p.55 / Chapter 2.6.7 --- in vivo Animal Study --- p.56 / Chapter 2.6.8 --- Two-Dimensional Gel Electrophoresis --- p.58 / Chapter 2.6.8.1 --- Sample Preparation --- p.58 / Chapter 2.6.8.2 --- First Dimension Electrophoresis - Isoelectric Focusing (IEF) --- p.59 / Chapter 2.6.8.3 --- Second Dimension Electrophoresis - SDS-Polyacrylamide Gel Electrophoresis (SDS-PAGE) --- p.60 / Chapter 2.6.8.4 --- Silver Staining --- p.61 / Chapter 2.6.9 --- Mass Spectrometry Preparation --- p.63 / Chapter 2.6.9.1 --- Destaining and Trypsin Digestion --- p.63 / Chapter 2.6.9.2 --- Peptide Extraction --- p.63 / Chapter 2.6.9.3 --- Desalting of Peptide Mixture --- p.64 / Chapter 2.6.10 --- Real-Time PCR --- p.65 / Chapter 2.6.11 --- Cellular Glutathione Level Detection --- p.69 / Chapter 2.7 --- Statistical Analysis --- p.70 / Chapter Chapter 3 --- RESULTS AND DISCUSSIONS - CYTOTOXICITY OF FLAVONOIDS ISOLATED FROM RADIX SOPHORAE --- p.72 / Chapter 3.1 --- Screening of Cytotoxic Flavonoids from Radix Sophorae --- p.72 / Chapter 3.2 --- Cytotoxicity of Leachianone A on Human Hepatoma Cell Lines --- p.74 / Chapter 3.3 --- Cytotoxicity of Leachianone A on Human Normal Liver Cell Line --- p.77 / Chapter 3.4 --- Cytotoxicity of Sophoraflavone J on Human Hepatoma Cell Line --- p.79 / Chapter 3.5 --- Cytotoxicity of Sophoraflavone J on Human Normal Liver Cell Line --- p.79 / Chapter 3.6 --- Cytotoxicities of Cisplatin and Taxol on Human Hepatoma as well as Normal Liver Cell Lines --- p.81 / Chapter 3.7 --- Conclusion --- p.86 / Chapter Chapter 4 --- "RESULTS AND DISCUSSIONS - MECHANISTIC STUDY OF LEACHIANONE A-INDUCED CELL DEATH IN HEPATOMA CELLS, HepG2 and RHepG2" --- p.88 / Chapter 4.1 --- Promotion of Cell Cycle Arrest --- p.88 / Chapter 4.2 --- Induction of Apoptosis as Evidenced by Phosphatidylserine Externalization and DNA Fragmentation --- p.93 / Chapter 4.2.1 --- Occurrence of Phosphatidylserine Externalization --- p.94 / Chapter 4.2.2 --- DNA Fragmentation Detection --- p.99 / Chapter 4.2.2.1 --- Terminal Deoxynucleotidyl Transferase(TdT)-mediated dUTP Nick End Labeling (TUNEL) Assay --- p.99 / Chapter 4.2.2.2 --- DNA Laddering Pattern in Agarose Gel Electrophoresis --- p.103 / Chapter 4.3 --- Recruitment of Multiple Signaling Pathways in Leachianone A-induced Apoptosis --- p.105 / Chapter 4.3.1 --- "Activation of Caspases-3, -8, and -9" --- p.105 / Chapter 4.3.2 --- Altered Expressions of Bcl-2 Family Proteins --- p.112 / Chapter 4.3.3 --- Loss of Mitochondrial Membrane Potential --- p.115 / Chapter 4.4 --- in vivo Tumor Growth Inhibition in HepG2-bearing Nude Mice --- p.121 / Chapter 4.5 --- Conclusion --- p.127 / Chapter Chapter 5 --- RESULTS AND DISCUSSIONS - MECHANISTIC STUDY OF SOPHORAFLAVONE J-INDUCED CELL DEATH IN HEPATOMA CELLS HepG2 --- p.132 / Chapter 5.1 --- Execution of Cellular Apoptosis --- p.133 / Chapter 5.2 --- Involvement of Multiple Signaling Pathways in Sophoraflavone J-induced Apoptosis --- p.138 / Chapter 5.3 --- Differential Proteomes of Control and Sophoraflavone J-treated HepG2 Cells --- p.148 / Chapter 5.4 --- Conclusion --- p.167 / Chapter Chapter 6 --- OVERALL CONCLUSION AND FUTURE PERSPECTIVES --- p.169 / References --- p.xxiv

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_325673
Date January 2006
ContributorsCheung, Sao Fong., Chinese University of Hong Kong Graduate School. Division of Biochemistry.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xxiii, 172, xxiv-xxxvii 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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