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Study on the liver protective effects of Schisandra chinensis.

by King Yeung Wong. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1999. / Includes bibliographical references (leaves 143-148). / Abstracts in English and Chinese. / Title Page --- p.i / Acknowledgement --- p.ii / List of Abbreviations --- p.iii / Table of contents --- p.v / Abstract --- p.viii / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Liver diseases --- p.1 / Chapter 1.2 --- Current treatments of liver diseases --- p.3 / Chapter 1.3 --- Schizandrae --- p.5 / Chapter 1.3.1 --- Chemistry of Schizandrae (Wuweizi) --- p.6 / Chapter 1.3.2 --- Pharmacology of Wuweizi --- p.8 / Chapter 1.3.2.1 --- Hepato-protective effect of Wuweizi --- p.9 / Chapter 1.3.3 --- Toxicology and side-effects of Wuweizi --- p.11 / Chapter 1.4 --- Carbon tetrachloride (CC14) intoxication --- p.12 / Chapter 1.5 --- Hepatic drug metabolism: essential factors --- p.13 / Chapter 1.6 --- Aim --- p.14 / Chapter 2 --- Phase I metabolism --- p.15 / Chapter 2.1 --- Introduction --- p.15 / Chapter 2.2 --- Materials and Methods --- p.18 / Chapter 2.2.1 --- Animals --- p.18 / Chapter 2.2.2 --- Chemicals --- p.18 / Chapter 2.2.3 --- Instruments --- p.19 / Chapter 2.2.4 --- Preparation of Schizandra seed extract --- p.19 / Chapter 2.2.5 --- Animal model of liver damages --- p.20 / Chapter 2.2.6 --- Evaluation of protective effect of Schizandra extract --- p.22 / Chapter 2.2.7 --- Evaluation of healing effect of Schizandra extract --- p.24 / Chapter 2.2.8 --- Extraction of antipyrine from blood and urine --- p.26 / Chapter 2.2.9 --- TLC method for quantitative analysis of antipyrine --- p.26 / Chapter 2.2.10 --- Analysis of pharmacokinetic parameters of antipyrine --- p.27 / Chapter 2.2.11 --- Statistical analysis --- p.28 / Chapter 2.3 --- Results --- p.30 / Chapter 2.3.1 --- Effect of CCI4 and Schizandra seed extract on antipyrine metabolism --- p.30 / Chapter 2.4 --- Discussion --- p.41 / Chapter 3 --- Phase II metabolism --- p.44 / Chapter 3.1 --- Introduction --- p.44 / Chapter 3.2 --- Materials and Methods --- p.46 / Chapter 3.2.1 --- Chemicals --- p.46 / Chapter 3.2.2 --- Preparation of Schizandra extract --- p.46 / Chapter 3.2.3 --- Preparation of Salicylamide solution (for injection) --- p.47 / Chapter 3.2.4 --- Preparation of 2,4-dinitrophenylhydrazine solution --- p.47 / Chapter 3.2.5 --- Animal groups --- p.47 / Chapter 3.2.6 --- Animal model of liver damage --- p.48 / Chapter 3.2.7 --- Evaluation of the hepato-protective effect of Schizandra extract --- p.49 / Chapter 3.2.8 --- Determination of serum glutamate pyruvate transaminase (SGPT/ALT) and serum glutamate oxaloacetate transaminase (SGOT/AST) --- p.50 / Chapter 3.2.9 --- Salicylamide adminstration and plasma collection --- p.51 / Chapter 3.2.10 --- Procession of plasma and urine samples --- p.52 / Chapter 3.2.11 --- HPLC Analysis --- p.54 / Chapter 3.2.12 --- Preparation of liver microsomes --- p.55 / Chapter 3.2.13 --- Determination of cytochrome P450 --- p.56 / Chapter 3.2.14 --- Determination of protein content of the liver microsomes --- p.57 / Chapter 3.2.15 --- Data Analysis --- p.58 / Chapter 3.2.16 --- Statistical Analysis --- p.58 / Chapter 3.3 --- Results --- p.60 / Chapter 3.3.1 --- Liver enzyme levels --- p.60 / Chapter 3.3.2 --- Phase II metabolism profile of salicylamide --- p.61 / Chapter 3.3.3 --- Cytochrome P450 content of liver --- p.64 / Chapter 3.4 --- Discussion --- p.65 / Chapter 3.4.1 --- Liver enzyme assay --- p.65 / Chapter 3.4.2 --- Cytochrome P450 activity --- p.67 / Chapter 3.4.3 --- Hepatic metabolism of salicylamide --- p.68 / Chapter 3.4.4 --- Effect of CC14 intoxication on Phase II metabolism --- p.71 / Chapter 3.4.5 --- Wuweizi actions on Phase II metabolism --- p.73 / Chapter 4 --- Protein binding --- p.102 / Chapter 4.1 --- Introduction --- p.102 / Chapter 4.2 --- Materials and Methods --- p.104 / Chapter 4.2.1 --- Chemicals --- p.104 / Chapter 4.2.2 --- Instruments --- p.105 / Chapter 4.2.3 --- Preparation of Warfarin sodium solution --- p.105 / Chapter 4.2.4 --- Animal groups --- p.106 / Chapter 4.2.5 --- Equilibrium dialysis --- p.106 / Chapter 4.2.5.1 --- Equilibration time --- p.106 / Chapter 4.2.5.2 --- Equilibrium dialysis of different warfarin concentration --- p.107 / Chapter 4.2.6 --- High performance liquid chromatography analysis of warfarin --- p.108 / Chapter 4.2.7 --- Calibration curve --- p.109 / Chapter 4.3 --- Results --- p.111 / Chapter 4.3.1 --- Equilibriation time --- p.111 / Chapter 4.3.2 --- Calibration curve --- p.111 / Chapter 4.3.3 --- Free concentration of warfarin --- p.112 / Chapter 4.4 --- Discussion --- p.114 / Chapter 4.4.1 --- Effect of CCl4 intoxication on free percentage of warfarin --- p.114 / Chapter 4.4.2 --- Effcct of wuweizi cxtract on free percentage of warfarin --- p.115 / Chapter 4.4.2.1 --- Depletion of plasma albumin concentration --- p.116 / Chapter 4.4.2.2 --- Displacement of warfarin by WWZ extract --- p.117 / Chapter 4.4.3 --- Concentration dependent protein binding --- p.118 / Chapter 5 --- Hepatic blood flow --- p.124 / Chapter 5.1 --- Introduction --- p.124 / Chapter 5.2 --- Materials and Methods --- p.126 / Chapter 5.2.1 --- Chemicals....: --- p.126 / Chapter 5.2.2 --- Instruments --- p.126 / Chapter 5.2.3 --- Preparation of indocyanine green (ICG) solution --- p.126 / Chapter 5.2.4 --- Preparation of Schizandra seed extract --- p.127 / Chapter 5.2.5 --- Animals groups --- p.127 / Chapter 5.2.6 --- Animal model of liver damage --- p.128 / Chapter 5.2.7 --- Evaluation of hepato-protective effect of Schizandra extract --- p.129 / Chapter 5.2.8 --- Evaluation of healing effect of Schizandra extract --- p.129 / Chapter 5.2.9 --- Quantitative analysis of ICG in plasma by UV spectroscopy --- p.130 / Chapter 5.2.10 --- Analysis of pharmacokinetic parameters of ICG --- p.131 / Chapter 5.2.11 --- Statistical analysis --- p.132 / Chapter 5.3 --- Results --- p.133 / Chapter 5.4 --- Discussion --- p.135 / Chapter 5.4.1 --- Effect of CCl4 intoxication on hepatic blood flow --- p.135 / Chapter 5.4.2 --- Effect of WWZ pretreatment on hepatic blood flow --- p.135 / Chapter 5.4.3 --- Effect of WWZ healing on hepatic blood flow --- p.136 / Chapter 6 --- General conclusion --- p.139 / Significance of the study --- p.141 / References --- p.143

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_322876
Date January 1999
ContributorsWong, King Yeung., Chinese University of Hong Kong Graduate School. Division of Pharmacy.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xii, 148 leaves : ill. ; 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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