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Retinoids induce rapid dynamic changes in the non-coding RNAs and epigenetic profiles of murine Hox clusters

ABSTRACT: Retinoids induce rapid dynamic changes in the non-coding RNAs and epigenetic profiles of murine Hox clusters

PROVIDER: PRJNA261542 | ENA |

REPOSITORIES: ENA

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Retinoids induce rapid dynamic changes in the non-coding RNAs and epigenetic profiles of murine Hox clusters.

Project description:Physiologically relevant concentrations of retinoic acid are added to Mouse ES cells and a time course (0-72 hours) is examined with expression tiling arrays and RNA-seq to characterize the early dynamics of expression of coding and non-coding RNAs in and around the Hox clusters. Gene expression is examined at various timepoints (0-72 hrs) after retinoic acid induced neuronal differentiation

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The Dynamic Architecture of Hox Gene Clusters

Project description:The spatial and temporal control of Hox gene transcription is essential for patterning the vertebrate body axis. Although this process involves changes in histone posttranslational modifications, the existence of particular three-dimensional (3D) architectures remained to be assessed in vivo. Using high-resolution chromatin conformation capture methodology, we examined the spatial configuration of Hox clusters in embryonic mouse tissues where different Hox genes are active. When the cluster is transcriptionally inactive, Hox genes associate into a single 3D structure delimited from flanking regions. Once transcription starts, Hox clusters switch to a bimodal 3D organization where newly activated genes progressively cluster into a transcriptionally active compartment. This transition in spatial configurations coincides with the dynamics of chromatin marks, which label the progression of the gene clusters from a negative to a positive transcription status. This spatial compartmentalization may be key to process the collinear activation of these compact gene clusters. Examination of gene expression in 3 cell types. Examination of 2 different histone modifications in 2 cell types.

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Retinoids induce rapid dynamic changes in the non-coding RNAs and epigenetic profiles of murine Hox clusters.

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Retinoids induce rapid dynamic changes in the non-coding RNAs and epigenetic profiles of murine Hox clusters (tiling)

Project description:Physiologically relevant concentrations of retinoic acid are added to Mouse ES cells and a time course (0-72 hours) is examined with expression tiling arrays to characterize the early dynamics of expression of coding and non-coding RNAs in and around the Hox clusters. Gene expression is examined at various timepoints (0-72 hrs) after retinoic acid induced neuronal differentiation

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