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Apolipoprotein E elicits isoform-dependent effects on macrophage cytokine secretion.

Tsoi Lo Ming. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2006. / Includes bibliographical references (leaves 99-109). / Abstracts in English and Chinese. / Acknowledgements --- p.I / Abstract --- p.II / Abstract in Chinese --- p.III / List of Abbreviations --- p.IV / List of Figures --- p.V / List of Tables --- p.VI / Table of Contents --- p.VII / Chapter Chapter 1 : --- Introduction / Chapter 1.1. --- Apolipoprotein and Lipoprotein Metabolism --- p.1 / Chapter 1.2. --- Molecular Information of ApoE --- p.2 / Chapter 1.3. --- Tissue Distribution of ApoE --- p.2 / Chapter 1.4. --- Functions of ApoE --- p.4 / Chapter 1.5. --- Genetic Polymorphism of ApoE --- p.7 / Chapter 1.6. --- Protein Structure and Characteristics of ApoE Isoforms --- p.9 / Chapter 1.7. --- Plasma and Cellular Expression Level of ApoE Isoforms --- p.12 / Chapter 1.8. --- Association between ApoE Isoforms and Plasma Lipid Profiles --- p.13 / Chapter 1.9. --- ApoE Polymorphisms and Pathophysiological Conditions / Chapter 1.9.1. --- Type III Hyperlipoproteinemia (Type III HLP) --- p.14 / Chapter 1.9.2. --- Alzheimer's Disease --- p.15 / Chapter 1.9.3. --- Atherosclerosis / Chapter 1.9.3.1. --- Atherosclerosis - An Inflammatory Process --- p.15 / Chapter 1.9.3.2. --- Role of ApoE in Atherosclerosis --- p.18 / Chapter (a) --- Functions Associated to Lipid Metabolism --- p.19 / Chapter (b) --- Functions Independent to Lipid Metabolism --- p.20 / Chapter 1.9.3.3. --- TNF-α and IL-6 in Atherosclerosis --- p.25 / Chapter 1.10. --- Macrophage Cytokine Expression and MAPKs / Chapter 1.10.1. --- Organization of MAPKs Signaling Pathway --- p.26 / Chapter 1.10.2. --- Lipopolysaccharide and MAPKs in Macrophage Cytokine Expression --- p.28 / Chapter 1.10.3. --- Regulation of Macrophage Cytokine Expression / Chapter 1.10.3.1. --- ERK1/2 and p38 MAPK Pathway --- p.30 / Chapter 1.10.3.2. --- Arachidonic Acid Metabolism --- p.30 / Chapter 1.11. --- Aim and Hypothesis --- p.31 / Chapter Chapter 2 : --- Materials and Methods / Materials / Chapter 2.1 --- Culture of ApoE-isoform-expressing J774A.1 Macrophage Cell Line --- p.32 / Chapter 2.2 --- RNA Extraction and Reverse Transcription-Polymerase Chain Reaction (RT-PCR) --- p.33 / Chapter 2.3 --- Protein Extraction and Quantification --- p.37 / Chapter 2.4 --- Enzyme-linked Immunosorbent Assay (ELISA) --- p.38 / Chapter 2.5 --- Western Blotting --- p.39 / Chapter 2.6 --- LPS Treatment --- p.42 / Chapter 2.7 --- MAPK Inhibitor Experiment --- p.43 / Methods / Chapter 2.8 --- Study on the Effect of Endogenously Expressed ApoE Isoforms on Macrophage Cytokine Secretion / Chapter 2.8.1. --- Establishment of ApoE-isoform-expressing Macrophages --- p.44 / Chapter 2.8.2. --- Semi-quantification of ApoE mRNA Level by RT-PCR / Chapter 1) --- Isolation of Total RNA --- p.45 / Chapter 2) --- RT-PCR --- p.46 / Chapter 2.8.3. --- Determination of ApoE Protein Expression Level by ELISA and Western Blot --- p.47 / Chapter 1) --- Quantification of Total Proteins --- p.48 / Chapter 2) --- ELISA --- p.48 / Chapter 3) --- Western Blot --- p.49 / Chapter 2.8.4. --- LPS Treatment --- p.51 / Chapter 2.8.5. --- MEK1/2 Inhibitor Experiment --- p.53 / Chapter 2.8.6. --- p38 Inhibitor Experiment --- p.54 / Chapter 2.9 --- Study on the Effect of Exogenous ApoE Isoform on Macrophage Cytokine Secretion --- p.55 / Chapter 2.10 --- Statistical Analysis --- p.55 / Chapter Chapter 3: --- Results / Changes of Inflammatory Properties Associated with Endogenous ApoE Isoform Expression in Macrophages / Chapter 3.1 --- Characterization of ApoE-isoform-expressing Macrophages --- p.56 / Chapter 3.1.1. --- Cell Lines with Stable Expression of ApoE Isoforms --- p.56 / Chapter 3.2 --- Cell Morphology Study --- p.58 / Chapter 3.3 --- Changes of IL-6 and TNF-α Secretion Associated with Endogenous ApoE Isoforms Expression / Chapter 3.3.1. --- In the Presence of Lipoproteins --- p.60 / Chapter 3.3.2. --- Serum/Lipoprotein-independent Effects of ApoE Isoforms --- p.63 / Chapter 3.4 --- The Effects of Endogenous ApoE Isoform Expression on the Activities of MAPK Signaling Pathways / Chapter 3.4.1. --- Study on the Activation Status and Expression of MAPKs --- p.66 / Chapter 1) --- ERK1/2 MAPK Pathway --- p.66 / Chapter 2) --- p38 MAPK Pathway --- p.69 / Chapter 3.4.2. --- IL-6 and TNF-a Secretion Among ApoE Isoforms in the Presence of MEK1/2 mhibitor --- p.72 / Chapter 3.4.3. --- IL-6 and TNF-α Secretion Among ApoE Isoforms in the Presence of p38 Inhibitor --- p.75 / Chapter Chapter 4 : --- Discussions / Chapter 4.1. --- Mouse Peritoneal Macrophage Cell Line J774A.1 as Cell Model --- p.79 / Chapter 4.2. --- Inflammatory Properties Associated with Endogenous ApoE Isoform Expression in Macrophages / Chapter 4.2.1. --- Expression Level of ApoE Isoform Transgenes in Mouse Peritoneal Macrophages --- p.80 / Chapter 4.2.2. --- Macrophage Activation by LPS --- p.81 / Chapter 4.2.3. --- Effect of Endogenous ApoE Isoform Expression on Cytokine Secretion and Signal Transduction in Macrophages --- p.82 / Chapter 4.3. --- Conclusions and Future Prospects / Chapter 4.3.1. --- Conclusions --- p.90 / Chapter 4.3.2. --- Future Prospects --- p.91 / Chapter Chapter 5 : --- Appendices / Chapter 5.1 --- Changes of Inflammatory Properties of Macrophages Supplemented with Exogenous ApoE Isoforms / Chapter 5.1.1. --- Changes of IL-6 and TNF-a Secretion in Macrophages Supplemented with Exogenous ApoE Isoforms --- p.92 / Chapter 5.1.2. --- Changes of Signal Transduction in Macrophages Supplemented with Exogenous ApoE Isoforms / Chapter 5.1.2.1. --- Study on the Activation Status and Expression of MAPKs / Chapter 1) --- ERK1/2 MAPK Pathway --- p.95 / Chapter 2) --- p38 MAPK Pathway --- p.97 / Chapter Chapter 6: --- Bibliography --- p.99

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_325710
Date January 2006
ContributorsTsoi, Lo Ming., Chinese University of Hong Kong Graduate School. Division of Biochemistry.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, 109 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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