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Effects of hyperglycemia and caffeine on early embryogenesis in whole rat embryo culture.

by Chiu Pui Yu. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2001. / Includes bibliographical references (leaves 86-118). / Abstracts in English and Chinese. / Title Page --- p.i / Abstract --- p.ii-iv / Acknowledgement --- p.v / Table of Contents --- p.vi-viii / List of Tables --- p.ix / List of Figures --- p.x-xii / List of Abbreviations --- p.xiii / Chapter Section I: --- Introduction / Chapter Chapter 1: --- Overview --- p.1-2 / Chapter Chapter 2: --- Teratogenic Effects of Hyperglycemia / Chapter 2.1 --- What is Hyperglycemia --- p.3 / Chapter 2.2 --- Teratogenic Effects of Hyperglycemia --- p.4-6 / Chapter 2.2.1 --- Human Studies / Chapter 2.2.2 --- Animal Studies / Chapter 2.3 --- Timetables for Embryogenesis: Rats versus Humans --- p.7 / Chapter 2.4 --- Mechanisms of Hyperglycemia Induced Teratogenesis --- p.8-12 / Chapter 2.4.1 --- What are Free Radicals? / Chapter 2.4.2 --- Major Free Radical Species Involvedin Hyperglycemic Teratogenesis / Chapter 2.4.3 --- Molecular Damage Induced by Reactive Oxygen Species / Chapter 2.4.4 --- Supporting Evidence of Reactive Oxygen Species Causing Anomalies / Chapter 2.4.5. --- Hyperglycemia and Formation of Free Radicals / Chapter Chapter 3: --- Caffeine as Teratogen and Antioxidant / Chapter 3.1 --- Popularity of Caffeine --- p.13 / Chapter 3.2 --- Basic Metabolism of Caffeine --- p.14 / Chapter 3.3 --- Biological Actions of Caffeine --- p.15 / Chapter 3.4 --- Teratogenicity of Caffeine --- p.16-20 / Chapter 3.4.1 --- Animal Studies / Chapter 3.4.1.1 --- Teratogenic Effects of Caffeine in Animals / Chapter 3.4.1.2 --- Teratogenic Dose of Caffeine / Chapter 3.4.1.3 --- Interspecies Sensitivity / Chapter 3.4.2 --- Human Studies / Chapter 3.5 --- Possible Mechanisms for the Teratogenic Actions of Caffeine --- p.21 / Chapter 3.6 --- Caffeine as an Antioxidant --- p.22 / Chapter 3.7 --- Combined Effects of Caffeine with Other Substances --- p.23 / Chapter Chapter 4: --- Combined Effects of Hyperglycemia and Caffeine on Early Embryogenesis- A Question to be Answered / Chapter 4.1 --- Possible Links between Hyperglycemia and Caffeine --- p.24 / Chapter 4.2 --- Objectives of the Present Study --- p.25 / Chapter 4.3 --- Hypothesis --- p.26 / Chapter Section II: --- Research Designs and Methods / Chapter Chapter 5: --- Materials and Methods / Chapter 5.1 --- Licenses --- p.27 / Chapter 5.2 --- Overall Study Design --- p.28-40 / Chapter 5.2.1 --- Whole Embryo Culture Model / Chapter 5.2.1.1 --- Animals / Chapter 5.2.1.2 --- Explantation of Embryos and Serum Collection / Chapter 5.2.1.3 --- Preparation of Serum / Chapter 5.2.1.4 --- Culture Media / Chapter 5.2.1.5 --- Embryo Culture / Chapter 5.2.2 --- Experimental Groups / Chapter 5.2.3 --- Morphological Assessment / Chapter 5.2.4 --- Quantitation of Oxidative Stress / Chapter 5.2.5 --- Protein Assay / Chapter 5.3 --- Statistical Evaluation --- p.41 / Chapter Chapter 6: --- Laboratory Considerations / Chapter 6.1 --- Whole Embryo Culture Model --- p.42-43 / Chapter 6.1.1 --- Subjects / Chapter 6.1.2 --- Time Mating / Chapter 6.1.3 --- Culture Medium / Chapter 6.1.4 --- Gas Phase and Rotating Bottle Culture Method / Chapter 6.2 --- Quantification of Oxidative Stress --- p.47-49 / Chapter 6.2.1 --- 8-Isoprostaglandins F2a as a Marker / Chapter 6.2.2 --- Assay for 8-Isoprostaglandins F2a / Chapter 6.2.2.1 --- Enzyme Immunoassay versus Gas Chromatography/ Mass Spectrometry / Chapter Section III: --- Results / Chapter Chapter 7: --- Results / Chapter 7.1 --- Justifications of Methods of Statistical Analysis --- p.50 / Chapter 7.2 --- Effects of Hyperglycemia on Early Embryogenesis --- p.51-56 / Chapter 7.2.1 --- Effects of Hyperglycemia on Morphological Development / Chapter 7.2.2 --- Effects of Hyperglycemia on Production of 8-isoprostaglandins F2a / Chapter 7.2.3 --- Effects of Hyperglycemia on Total Protein Content / Chapter 7.3 --- Effects of Caffeine on Early Embryogenesis --- p.57-61 / Chapter 7.3.1 --- Effects of Caffeine on Morphological Development / Chapter 7.3.2 --- Effects of Caffeine on Total Protein Content / Chapter 7.4 --- Combined Effects of Hyperglycemia and Caffeine on Early Embryogenesis --- p.62-66 / Chapter 7.4.1 --- Combined Effects of Hyperglycemia and Caffeine on Morphological Development / Chapter 7.4.2 --- Combined Effects of Hyperglycemia and Caffeine on Production of 8-isoprostaglandins F2a / Chapter 7.4.3 --- Combined Effects of Hyperglycemia and Caffeine on Total Protein Content / Chapter Section IV: --- Discussion and Conclusions / Chapter Chapter 8: --- Discussion --- p.67-83 / Chapter Chapter 9: --- Conclusions and Future Directions --- p.84 / Appendices --- p.85 / References --- p.86-118

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_323656
Date January 2001
ContributorsChiu, Pui Yu., Chinese University of Hong Kong Graduate School. Division of Obstetrics and Gynaecology.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xiii, 117 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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