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ChIP-Seq of H3K27ac in Wild Type (WT), and Actb-/- (KO) Mouse Embryonic Fibroblasts

ABSTRACT: ChIP-Seq of H3K27ac in Wild Type (WT), and Actb-/- (KO) Mouse Embryonic Fibroblasts

PROVIDER: PRJNA803246 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR17876978_1.fastq.gz	Fastqsanger.gz
	SRR17876978_2.fastq.gz	Fastqsanger.gz
	SRR17876979_1.fastq.gz	Fastqsanger.gz
	SRR17876979_2.fastq.gz	Fastqsanger.gz
	SRR17876980_1.fastq.gz	Fastqsanger.gz

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Project description:Purpose: The goals of this study are to use NGS to perform transcriptome profiling (RNA-seq) to find the difference of the transcriptomes of chemically induced neurons from wild type (WT), Actb+/- (HET) and Actb-/- (KO) mouse embryonic fibroblasts. Methods: MEFs were reprogramed into neurons by small chemical cocktails. Small chemical molecules were dissolved and diluted in DMSO and used at the following final concentrations: ISX9: 20 mM; Forskolin: 50 mM; CHIR99021: 20 mM; and I-BET151: 2 mM. In addition to the small molecules, the neuron induction medium (Neurobasal Medium) contains the following supplements: N2 (1X) and B27 (2X) supplements, GlutaMAX (1X), penicillin-streptomycin (100 µg/ml), bFGF (20 ng/ml), 100 µM cAMP, Non-essential Amino Acid (1X) and Trace element B (1X). MEFs were seeded to Matrigel-coated plate (1:30 dilution in pre-cold PBS and coat overnight at 4 oC, at a density of 200,000 cells per well in 6-well plate and 10,000 cells/well in 96 well plate. The MEFs were cultured in DMEM until confluent. When the cells are confluent, the DMEM was replaced with neuron induction medium with 4 small molecules. The induction medium was refreshed every two days for the first week and every 3 days for the remaining induction period until day 20. 3 biological replicates of total RNA were used for RNA-seq library preparation. Results: Using an optimized data analysis workflow, we identified neuronal gene programs induced during direct reprograming. The induction of neuronal programs were impaired in neurons from Actb-/- mouse embryonic fibroblasts. Conclusions: Our study shows that neuronal program induction was impaired in chemically induced neurons from Actb-/- mouse embryonic fibroblasts.

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