DNA Methylation: Development, Genetic Disease and Cancer

Development, Genetic Disease and Cancer

DNA Methylation: Development, Genetic Disease and Cancer

Development, Genetic Disease and Cancer

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It has become apparent that the genomes of many organisms are characterized by unique patterns of DNA methylation which can differ from genome segment to genome segment and cell type to cell type. These patterns can be instrumental in determining cell type and function. Thus, it is not surprising that studies on the role of DNA methylation now occupy center stage in many fields of biology and medicine such as developmental biology, genetic imprinting, genetic disease, tumor biology, gene therapy, cloning of organisms and others. Once again, basic research in molecular biology has provided the essential foundation for investigations of biomedical problems.


1;Preface;5 2;List of Contents;7 3;List of Contributors;9 4;The Regulation of Chromatin and DNA-Methylation Patterns in Blood Cell Development;10 4.1;1 Cell-fate Decisions in the Haematopoietic System;10 4.2;2 Transcription Factors Co-operate with Chromatin Components and Reorganise Chromatin Structure Prior to the Activation of Gene Expression;12 4.3;3 The Role of Transcription Factors and Chromatin Components in the Regulation of Cell- fate Decisions;16 4.4;4 Outlook: Epigenetic Plasticity and Reprogramming;18 4.5;References;19 5;Methylation Dynamics in the Early Mammalian Embryo: Implications of Genome Reprogramming Defects for Development;22 5.1;1 Methylation Reprogramming in Early Mouse Embryos;23 5.2;2 Species Differences in Methylation Reprogramming;26 5.3;3 Methylation Reprogramming Defects;27 5.4;References;29 6;Epigenetic Regulation in Drosophila;32 6.1;1 DNA Methylation in Drosophila;33 6.2;2 The Dnmt2 Methyltransferase;34 6.3;3 DNA Methylation-Dependent Chromatin Structures;35 6.4;4 The Methyl-DNA Binding Protein MBD2/3;36 6.5;5 A Functional DNA Methylation System in Drosophila;38 6.6;6 Chromatin-Based Maintenance of Gene Expression;40 6.7;7 Characterization of PcG/TrxG Complexes;41 6.8;8 PC-Containing PcG Complexes and the Compaction of Chromatin;42 6.9;9 ESC/E(Z)-Containing Complexes and Histone Deacetylation/Methylation;44 6.10;10 The Complexity of PcG/TrxG-Regulated Chromatin;45 6.11;References;47 7;Epimutations in Human Disease;54 7.1;1 Epigenetic Inheritance;54 7.2;2 Classification of Epimutations;56 7.3;3 Causes of Primary Epimutations;62 7.4;4 Epigenetic Candidate Diseases;64 7.5;References;65 8;Epigenotypes of Latent Herpesvirus Genomes;70 8.1;1 Cellular and Viral Epigenotypes;71 8.2;2 Epigenetic Modifications of a-Herpesvirus Genomes;73 8.3;3 Epigenetic Modifications Regulate the Activity of a ß-Herpesvirus Promoter;75 8.4;4 Epigenetic Modifications of Latent .-Herpesvirus Genomes;76 8.5;References;83 9;Epigenetics of Complex Diseases: From General Theory to Laboratory Experiments;90 9.1;1 Introduction;91 9.2;2 Epigenetics and Complex Disease;92 9.3;3 Strategies for Detection of Epigenetic Differences in Complex Genomes;100 9.4;4 Study of the Epigenetic Norm;115 9.5;References;116 10;MSL Proteins and the Regulation of Gene Expression;126 10.1;1 Introduction;127 10.2;2 The DCC of Drosophila melanogaster;128 10.3;3 Initiation of Dosage Compensation;129 10.4;4 Assembly of the DCC;129 10.5;5 Targeting and Distribution of the DCC;130 10.6;6 MSL Binding Sites;135 10.7;7 Modification of Chromatin by the DCC;137 10.8;8 Interpreting the Histone Modifications Placed by the DCC;138 10.9;9 Molecular Mechanism of Dosage Compensation;140 10.10;10 The Inverse Effect Hypothesis;142 10.11;References;143 11;DNA Methylation Profiles of Female Steroid Hormone- Driven Human Malignancies;150 11.1;1 Introduction;151 11.2;2 Normal and Aberrant DNA Methylation Profiles;153 11.3;3 Gender-Specific Gene Methylation Profiles in Four Hormone- Driven Cancers;156 11.4;4 Conclusions;176 11.5;References;178 12;Genome-wide Analysis of DNA Methylation Changes in Human Malignancies;188 12.1;1 Introduction;189 12.2;2 DNA Methylation and the Genome;189 12.3;3 The DNA Methylation Machinery;190 12.4;4 DNA Methylation and Gene Silencing;191 12.5;5 Aberrant DNA Methylation in Cancer;192 12.6;6 Loss of DNA Methylation in Cancer;192 12.7;7 Gain of DNA Methylation in Cancer;194 12.8;8 Number of Methylated CpG Islands in the Tumor Genome;195 12.9;9 Targets for Promoter Hypermethylation;198 12.10;10 The Establishment of Tumor Type-Specific and Non-random Aberrant DNA Methylation;198 12.11;References;202 13;Decreased Fidelity in Replicating DNA Methylation Patterns in Cancer Cells Leads to Dense Methylation of a CpG Island;208 13.1;1 Introduction;209 13.2;2 Fidelity in Normal Mammary Epithelial Cells;210 13.3;3 Decreased Fidelity in Gastric Cancer Cells;213 13.4;4 Decreased Fidelity and Induction of Dense Methylation;213 13.5;5 Molecular Basis for CIMP,
ISBN 9783540311812
Artikelnummer 9783540311812
Medientyp E-Book - PDF
Auflage 2. Aufl.
Copyrightjahr 2006
Verlag Springer-Verlag
Umfang 284 Seiten
Sprache Englisch
Kopierschutz Digitales Wasserzeichen