Titlebook: Epigenetics Protocols; Trygve O. Tollefsbol Book 2004 Humana Press 2004

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Methods of Epigenetic Analysis,enetics focus on histone modifications and DNA methylation, two molecular mechanisms that are often linked and interdependent. A variety of methods are applied to the study of epigenetic processes, and the past decade has witnessed an exponential increase in novel approaches to elucidate the molecul

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Native Chromatin Immunoprecipitation,ed factors. Here we describe the methodology we have used in our laboratory for the immunoprecipitation of chromatin isolated from cells in the absence of crosslinking. Chromatin released from nuclei by micrococcal nuclease digestion is centrifuged through sucrose gradients to allow selection of mon

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DNaseI Hypersensitivity Analysis of Chromatin Structure, the silenced genes during processes such as differentiation first requires that the chromatin structure be remodeled into a transcriptionally permissive configuration, with the DNA “exposed” and accessible to transcription factors. The change in chromatin structure associated with transcriptional c

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Analysis of Mammalian Telomere Position Effect,clones are described. These include vector design, analysis of integration sites by Southern blotting, pharmacological relief of silencing, and enhancement of silencing by telomere elongation. Several potential pitfalls of applying these techniques to other cell lines are discussed. In addition, det