Transcriptomics

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Expression data from mouse myogenic differentiation and ectopic MeCP2


ABSTRACT: The methyl-cytosine binding protein 2 (MeCP2) is a reader of epigenetic DNA methylation marks and necessary and sufficient to reorganize 3D heterochromatin structure during cellular differentiation, e.g., myogenesis. In addition to global expression profile changes, myogenic differentiation is accompanied by 3D-heterochromatin reorganization that is dependent on MeCP2. MeCP2 is enriched at pericentric heterochromatin foci (chromocenters). During myogenesis, the total heterochromatin foci number per nucleus decreases while foci volumes and MeCP2 protein levels increase. Ectopic MeCP2 is able to mimic similar heterochromatin restructuring in the absence of differentiation. We compared expression profile changes during myogenic differentiation to changes related to MeCP2-induced heterochromatin reorganization in the absence of differentiation. We used the Affymetrix 430.2 microarray system to study the expression profile changes during myogenic differentiation (myotubes vs myoblast) and MeCP2 related expression changes in transiently transfected myoblasts (high vs. low MeCP2 protein levels) in five independent experiments for each condition.

ORGANISM(S): Mus musculus

PROVIDER: GSE69087 | GEO | 2015/08/15

SECONDARY ACCESSION(S): PRJNA284503

REPOSITORIES: GEO

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