by Tsz-Wan Ho. / Thesis submitted in: July 2003. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2004. / Includes bibliographical references (leaves 107-122). / Abstracts in English and Chinese. / Acknowledgements --- p.i / Abstract --- p.ii / 摘要 --- p.iv / Content --- p.vi / Abbreviations --- p.x / List of Figures --- p.xi / List of tables --- p.xiv / Chapter CHAPTER 1 --- GENERAL INTRODUCTION --- p.1 / Chapter 1.1 --- Alzheimer'sDisease --- p.1 / Chapter 1.2 --- Hallmarks of AD --- p.3 / Chapter 1.2.1 --- The amyloid cascade hypothesis --- p.3 / Chapter 1.2.2 --- The tauopathy hypothesis --- p.4 / Chapter 1.3 --- The Cholinergic Hypothesis --- p.6 / Chapter 1.3.1 --- Cholinergic drug therapy --- p.7 / Chapter 1.3.2 --- Acetylcholinesterase inhibitors --- p.8 / Chapter 1.3.2.1 --- Tacrine --- p.10 / Chapter 1.3.2.2 --- Donepezil --- p.10 / Chapter 1.3.2.3 --- Rivastigimine - ENA-713 --- p.11 / Chapter 1.4 --- AChE inhibitors from plants --- p.12 / Chapter 1.4.1 --- Galanthamine --- p.12 / Chapter 1.4.2 --- Huperzine --- p.14 / Chapter 1.4.3 --- α-onocerin --- p.15 / Chapter 1.4.4 --- (+)-alpha-viniferin --- p.16 / Chapter 1.5 --- My project --- p.17 / Chapter CHAPTER 2 --- MATERIALS AND METHODS --- p.18 / Chapter 2.1 --- Preparation of CMM --- p.18 / Chapter 2.2.1 --- Selecting criteria and sources --- p.18 / Chapter 2.2.2 --- Preparation of aqueous extract --- p.18 / Chapter 2.2.3 --- Preparation of ethanol extract --- p.18 / Chapter 2.3 --- Routine maintenance of cell lines --- p.19 / Chapter 2.4 --- Toxicity test --- p.19 / Chapter 2.5 --- Ellman assay --- p.20 / Chapter 2.6 --- Ellman assay over BuChE --- p.21 / Chapter 2.7 --- Drugs --- p.21 / Chapter CHAPTER 3 --- SCREENING OF ACETYLCHOLINESTERASE INHIBITORS FROM CHINESE MEDICINAL MATERIALS --- p.23 / Chapter 3.1 --- Introduction --- p.23 / Chapter 3.2 --- Materials and Methods --- p.23 / Chapter 3.3 --- Results and discussion --- p.24 / Chapter 3.3.1 --- Preliminary screening of 45 selected TCMs for AChE inhibition --- p.24 / Chapter 3.3.2 --- Rescreening of drugs that show AChE inhibition in both aqueous and organic extracts --- p.25 / Chapter 3.4 --- Discussion --- p.28 / Chapter CHAPTER 4 --- CHARACTERIZATION OF ANTI-ACETYLCHOLINESTERASE ACTIVITY FROM SALVIA MBLTIORRHIZA BGE.(丹參) --- p.33 / Chapter 4.1 --- Introduction --- p.33 / Chapter 4.1.1 --- Clinical application of Danshen --- p.34 / Chapter 4.1.2 --- Pharmacological properties of Danshen and Salvia species --- p.34 / Chapter 4.1.2.1. --- Antiinflammatory and antibacterial responses --- p.35 / Chapter 4.1.2.2 --- Diabetes --- p.35 / Chapter 4.1.2.3 --- Alcoholism --- p.35 / Chapter 4.1.2.4 --- Apoptosis --- p.36 / Chapter 4.1.2.5 --- The effect of Salvia extracts on neuro-receptors --- p.36 / Chapter 4.1.3 --- Anti-cholinesterase activity by the Salvia species --- p.37 / Chapter 4.1.4 --- Active components from Salvia miltiorrhiza Bge --- p.38 / Chapter 4.2 --- Effects of tanshinone derivatives on AChE --- p.39 / Chapter 4.2.1 --- Materials and Methods --- p.39 / Chapter 4.2.2. --- Results --- p.39 / Chapter 4.3 --- Discussion --- p.50 / Chapter CHAPTER 5 --- EXTRACTION OF CRYPTOTANSHINONE FROM SALVIA MILTIORRHIZA --- p.54 / Chapter 5.1 --- Introduction --- p.54 / Chapter 5.1.1 --- Reverse phase high performance liquid chromatography (RP-HPLC) --- p.55 / Chapter 5.2 --- Materials and Methods --- p.56 / Chapter 5.2.1 --- Extracts of Danshen from different sources for obtaining the chemical profile --- p.55 / Chapter 5.2.2 --- Reverse phase high performance liquid chromatography (RP-HPLC) --- p.57 / Chapter 5.2.2.1 --- Analytical RP-HPLC --- p.57 / Chapter 5.2.2.2 --- Preparative RP-HPLC --- p.58 / Chapter 5.3 --- Results --- p.60 / Chapter 5.3.1 --- Identification of Peaks that contain the proposed active components --- p.60 / Chapter 5.3.2 --- Different samples of Danshen contain different amount of active components that can exert inhibitory effect on hAChE --- p.66 / Chapter 5.4 --- Discussion --- p.75 / Chapter CHAPTER 6 --- EFFECT OF CRYPTOTANSHINONE ON CALCIUM MOVEMENT in SH-SY5Y Cell --- p.80 / Chapter 6.1 --- Introduction --- p.80 / Chapter 6.2 --- Materials and Methods --- p.82 / Chapter 6.2.1 --- Reagents and drugs --- p.82 / Chapter 6.2.2 --- Calcium fluorimetry --- p.82 / Chapter 6.3 --- Results --- p.85 / Chapter 6.4 --- Discussion --- p.96 / Chapter CHAPTER 7 --- GENERAL DISCUSSION --- p.98 / Chapter 7.1 --- Structure-function relationship of crytotanshinone and dihydrotanshinone I --- p.98 / Chapter 7.2 --- Further study on cryptotanshinone and dihydrotanshinone I --- p.100 / Chapter 7.2.1 --- Modulation on nictonic receptor --- p.100 / Chapter 7.2.2 --- Behavioral study on mice --- p.101 / Chapter 7.2.3 --- Large scale production of the desired active components --- p.102 / Chapter 7.3 --- Study on other candidate herbs --- p.102 / References --- p.107
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_324869 |
| Date | January 2004 |
| Contributors | Ho, Tsz-Wan., Chinese University of Hong Kong Graduate School. Division of Molecular Biotechnology. |
| Source Sets | The Chinese University of Hong Kong |
| Language | English, Chinese |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, xiv, 122 leaves : ill. ; 30 cm. |
| Rights | Use 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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