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The epigenetic effects induced by ectopic expression of Pax7 in 3T3-L1

ABSTRACT: The epigenetic effects induced by ectopic expression of Pax7 in 3T3-L1

PROVIDER: PRJNA687599 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR13298446.fastq.gz	Fastqsanger.gz
	SRR13298447.fastq.gz	Fastqsanger.gz
	SRR13298448.fastq.gz	Fastqsanger.gz
	SRR13298449.fastq.gz	Fastqsanger.gz
	SRR13298450.fastq.gz	Fastqsanger.gz

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The epigenetic effects induced by ectopic expression of Pax7 in 3T3-L1

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Detection of microRNA expression during 3T3-L1 pre-adipocyte differentiation using a custom made microarray chip.

Project description:Differentiation of 3T3-L1 cells into adipocytes involves a highly orchestrated series of events including clonal expansion, growth arrest and terminal differentiation. The mechanisms coordinating these different steps are not yet fully understood. Here we investigated whether micro (mi)RNAs play a role in this process. Microarray analysis was performed to detect miRNA expression during 3T3-L1 preadipocyte differentiation. Several miRNAs, including let-7, were up-regulated during 3T3-L1 adipogenesis. Ectopic introduction of let-7 into 3T3-L1 cells inhibited clonal expansion as well as terminal differentiation. The mRNA encoding high mobility group AT-hook 2 (HMGA2), a transcription factor that regulates growth and proliferation in other contexts, was inversely correlated with let-7 levels during 3T3-L1 cell adipogenesis, and let-7 markedly reduced HMGA2 concentrations. Knockdown of HMGA2 inhibited 3T3-L1 differentiation. These results suggest that let-7 plays an important role in adipocyte differentiation and that it does so in part by targeting HMGA2, thereby regulating the transition from clonal expansion to terminal differentiation.

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Detection of microRNA expression during 3T3-L1 pre-adipocyte differentiation using a custom made microarray chip.

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Transcription profiling of mouse 3T3-L1 adipocyte differentiation time series-3T3-L1 adipocyte differentiation timeseries

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Next Generation Sequencing Facilitates Quantitative Analysis of the control 3T3-L1 (3T3-L1-NC) and LIGHT (tnfsf14) overexpression 3T3-L1 cells (3T3-L1-LIGHT) before and after differentiation into beige adipocytes

Project description:Purpose: The goals of this study are to compare NGS-derived 3T3-L1-NC transcriptome profiling (RNA-seq) to LIGHT overexpression 3T3-L1 cells and find out the DEGs Methods: mRNA profiles of 3T3-L1-NC and 3T3-L1-LIGHT before and after differentiation into beige adipocytes were generated by deep sequencing, in triplicate, using Illumina HiSeq. The sequence reads that passed quality filters were analyzed at the transcript isoform level. Results: Using an optimized data analysis workflow, we mapped about 6.53 Gb data per sample. The average genome mapping rate is 87.27% and the average gene mapping rate is 80.18%. 18,255 genes were identified in which 17,367 of them are known genes and 1,001 of them are novel genes. 13,086 novel transcipts were identified in which 9,304 of them are previously unknown splicing event for known genes, 1,001 of them are novel coding transcripts without any known features, and the remaining 2,781 are long noncoding RNA. Conclusions: Our study represents the first detailed analysis of the impact of LIGHT on gene expression in process of beige adipocytes biogenesis with biologic replicates, generated by RNA-seq technology.

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