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The trophic properties of glial cells under glucose deficiency.

Lai, Ching Janice. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2005. / Includes bibliographical references (leaves 148-168). / Abstracts in English and Chinese. / Abstract --- p.i / Abstract in Chinese --- p.iii / Acknowledgements --- p.v / Table of Content --- p.vi / List of Tables --- p.x / List of Figures --- p.xi / Abbreviations --- p.xii / Chapter Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- General Introduction --- p.1 / Chapter 1.2 --- Nervous System and the Blood-Brain-Barrier --- p.3 / Chapter 1.3 --- Glial cells --- p.3 / Chapter 1.4 --- Studying Astrocyte Responses As a New Direction in Neuroscience --- p.4 / Chapter 1.5 --- The Roles of Astrocyte in the CNS --- p.5 / Chapter 1.5.1 --- Energy-Dependent Communication Between Neurons and Astrocytes --- p.7 / Chapter 1.5.2 --- Strategies for Metabolic Exchange Between Astrocytes and Neurons --- p.8 / Chapter 1.5.2.1 --- Provision of Energy Metabolites to Neurons by Astrocytes --- p.9 / Chapter 1.5.2.2 --- Glucose Transporters in the CNS --- p.10 / Chapter 1.5.2.3 --- The Lactate Shuttle Hypothesis --- p.12 / Chapter 1.5.2.4 --- The Regulation of Glucose Uptake at the Blood-Brain-Barrier (BBB) by the Activity of Neurons --- p.14 / Chapter 1.5.3 --- Alternation of Energy Metabolism in Neuropathy --- p.15 / Chapter 1.5.3.1 --- Ketone Body Shuttle Hypothesis --- p.15 / Chapter 1.5.3.2 --- The Utilization of Free Fatty Acids by the Brain --- p.17 / Chapter 1.5.4 --- The Provision of Neurotrophic Factors to Neurons by Astrocytes --- p.17 / Chapter 1.5.4.1 --- Neurotrophins --- p.18 / Chapter 1.5.4.1.1 --- Relationship Between Neurotrophins and Glucose --- p.20 / Chapter 1.5.4.2 --- S100B --- p.21 / Chapter 1.5.5 --- Astrocytic Cholesterol in Astrocytes as a Neurotrophic Factor --- p.22 / Chapter 1.6 --- Neuroprotective Effect of Glucose vi - --- p.23 / Chapter 1.7 --- Diseases Associated with Decreased Glucose Transport at the BBB --- p.24 / Chapter 1.7.1 --- Glucose Transporter Type 1 Deficiency Syndrome (GlutlDS) --- p.24 / Chapter 1.7.2 --- Hypoglycemia with Insulin Therapy for Diabetes Patients --- p.24 / Chapter 1.8 --- Aims and Hypothesis of Study --- p.26 / Chapter Chapter 2. --- 2 Materials and Methods --- p.27 / Chapter 2.1 --- Materials --- p.27 / Chapter 2.1.1 --- Cell Culture --- p.27 / Chapter 2.1.1.1 --- Cells --- p.27 / Chapter 2.1.1.1.1 --- C6 cells --- p.27 / Chapter 2.1.1.1.2 --- Primary Astrocytes --- p.27 / Chapter 2.1.1.2 --- Cell Culture Reagent --- p.27 / Chapter 2.1.2 --- Study of Growth Properties --- p.31 / Chapter 2.1.2.1 --- Equipment for Growth Curve Construction --- p.31 / Chapter 2.1.2.2 --- Reagents for Flow Cytometry --- p.32 / Chapter 2.1.2.3 --- Reagents for 3H-thymidine Incorporation Assay --- p.32 / Chapter 2.1.3 --- Study of Neurotrophic Properties --- p.33 / Chapter 2.1.3.1 --- Determination of Neurotrophic Factor Productions --- p.33 / Chapter 2.1.3.1.1 --- Reagents and Buffers for Northern Blot Analysis --- p.33 / Chapter 2.1.3.2 --- Reagents and Buffers for Western Blot Analysis --- p.43 / Chapter 2.1.3.2.1 --- Protein Assay --- p.43 / Chapter 2.1.3.2.2 --- Reagents for SDS Polyacrylamide Electrophoresis of Proteins --- p.44 / Chapter 2.1.3.2.3 --- Reagents for the Transfer of Protein to Membrane and Signal Detection --- p.47 / Chapter 2.1.4 --- Study of Lipid in Glial cells --- p.50 / Chapter 2.1.4.1 --- Determination of Genes Expression in Lipid Metabolism --- p.50 / Chapter 2.1.4.2 --- Reagents for Determination of Cholesterol and Fatty Acid Levels by Gas Chromatography --- p.50 / Chapter 2.2 --- Methods --- p.54 / Chapter 2.2.1 --- Cell culture --- p.54 / Chapter 2.2.1.1 --- Maintenance of C6 cells --- p.54 / Chapter 2.2.1.2 --- Primary Culture of Rat Astrocytes --- p.54 / Chapter 2.2.2 --- Study of Growth Properties of Glial Cells vii - --- p.56 / Chapter 2.2.2.1 --- Construction of cell growth curve --- p.56 / Chapter 2.2.2.2 --- Flow Cytometric Analysis of Cell Cycle Profile --- p.56 / Chapter 2.2.2.3 --- Measurement of DNA Synthesis --- p.57 / Chapter 2.2.3 --- Study of Neurotrophic Properties --- p.58 / Chapter 2.2.3.1 --- Determination of Neurotrophic Facotor Production --- p.58 / Chapter 2.2.3.1.1 --- Northern Blot Analysis --- p.58 / Chapter 2.2.3.1.2 --- Western Blot Analysis --- p.67 / Chapter 2.2.3.2 --- Determination of Gene Expression in Lipid Metabolism --- p.72 / Chapter 2.2.3.2.1 --- Northern Blot Analysis --- p.72 / Chapter 2.2.3.2.2 --- RT-PCR --- p.72 / Chapter 2.2.3.3 --- Study of Lipid Profiles in Glial Cells --- p.73 / Chapter 2.2.3.3.1 --- Sample preparation --- p.73 / Chapter 2.2.3.3.2 --- Total Cholesterol Determination --- p.73 / Chapter 2.2.3.3.3 --- Total Fatty Acid Determination --- p.75 / Chapter 2.2.3.3.4 --- Quantification of Proteins --- p.76 / Chapter 2.2.4 --- Statistical Analysis --- p.77 / Chapter Chapter 3 --- Results --- p.78 / Chapter 3.1 --- The effects of glucose deficiency on cell proliferation --- p.78 / Chapter 3.1.1 --- Direct Cell Count Assay --- p.78 / Chapter 3.1.2 --- Flow Cytometry Assay --- p.83 / Chapter 3.1.3 --- 3H-Thymidine Uptake Assay --- p.85 / Chapter 3.2 --- The Effects of Glucose Deficiency on Neurotrophic Properties of Glial Cells --- p.87 / Chapter 3.2.1 --- The Effects of Glucose Deficiency on mRNA and Protein Expressions of Neurotrophins --- p.88 / Chapter 3.2.1.1 --- Northern Blot Assays --- p.88 / Chapter 3.2.1.2 --- Western Blot Assays --- p.93 / Chapter 3.2.2 --- The Effects of Glucose Deficiency on Lipid Homeostasis --- p.96 / Chapter 3.2.2.1 --- Northern Blot Assays --- p.96 / Chapter 3.2.2.2 --- Gas Chromatography Assays --- p.101 / Chapter 3.2.2.2.1 --- Cholesterol Analyses --- p.102 / Chapter 3.2.2.2.2 --- Fatty Acid Analyses --- p.105 / Chapter Chapter 4 --- Discussion --- p.115 / Chapter 4.1 --- The in vitro Model of Hypoglycorrhachia --- p.115 / Chapter 4.2 --- Decreased Glucose Level Triggers Changes of Gial Cells Proliferation --- p.117 / Chapter 4.3 --- Expression of Neurotrophic Factor under Glucose Deficiency viii - --- p.120 / Chapter 4.3.1 --- Alteration of the Expression of Neurotrophins --- p.120 / Chapter 4.3.1.1 --- NGF --- p.122 / Chapter 4.3.1.2 --- BDNF --- p.123 / Chapter 4.3.1.3 --- NT-3 --- p.126 / Chapter 4.3.1.4 --- NT-4/5 --- p.128 / Chapter 4.3.2 --- Alteration of the mRNA Expression of Calcium Binding ProteinS100B --- p.128 / Chapter 4.4 --- Alteration of Lipid Metabolism in Decreased Glucose Supply --- p.130 / Chapter 4.4.1 --- Up-regulation of ApoE mRNA Expression in Glucose Deficiency --- p.133 / Chapter 4.4.2 --- Cholesterol Homeostasis in Glial Cells --- p.133 / Chapter 4.4.3 --- Fatty Acids Homeostasis in Glial Cells --- p.135 / Chapter 4.4.4 --- Decreased Ketone Bodies synthesis in Glucose Deficiency --- p.143 / Chapter 4.5 --- Limitations of the Current Study --- p.144 / Chapter 4.6 --- Future Directions --- p.145 / Chapter Chapter 5 --- Conclusion --- p.147 / References --- p.148 / Appendix --- p.169

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_325285
Date January 2005
ContributorsLai, Ching Janice., Chinese University of Hong Kong Graduate School. Division of Biochemistry.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xiii, 169 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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