Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA231244 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR1048170.fastq.gz | Fastqsanger.gz | |||
| SRR1048180.fastq.gz | Fastqsanger.gz | |||
| SRR1048171.fastq.gz | Fastqsanger.gz | |||
| SRR1048181.fastq.gz | Fastqsanger.gz | |||
| SRR1048172.fastq.gz | Fastqsanger.gz |
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Project description:Total RNA was extracted using TRI® Reagent (Sigma). cDNA was synthesized by RevertAid™ First Strand cDNA Synthesis Kit with Oligo dT primers (K1622, Fermentas) following manufacturer’s recommendations. PCR reactions were carried out on a DNAEngine® Thermal Cycler (PTC-0200G, Bio-Rad) in 25 μl reaction volume containing 1 μl cDNA, 200 nM primer pairs and components of TaKaRa Taq™ kit (R001A, Takara). All samples were analyzed in triplicate RT-qPCR.mRNAs were extracted using biotinylated poly(dT) oligo, followed by further removing of contaminated rRNA using RiboMinus Transcriptome Isolation Kit (K1550-02, Invitrogen). Then mRNAs were fragmented into 100-200nt length and subjected to immunoprecipitation with m6A specific antibody.The libraries were sequenced using HiSeq2000 (Illumina) in single-read mode, creating reads with a length of 101 bp. Sequencing chemistry v2 (Illumina) was used and samples were multiplexed in two samples per lane. discovery of the binding motif of m6a in normal, FTO deficient and five stages of adipogensis (D-2/0/2/5/10) in Mouse embryo fibroblast 3T3-L1 pre-adipocytes
2015-03-09 | E-GEOD-53244 | biostudies-arrayexpress
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. 3T3-L1 cells were induced to differentiation into mature adipocytes using a canonical DMI cocktail. The time point at two days after confluency of 3T3-L1 was defined as day 0. Samples were collected at day 0, day 1, day 4, and day 7. The expression of microRNAs at day 1, day 4, and day 7 was compared to that of day 0.
2010-05-18 | E-GEOD-16229 | biostudies-arrayexpress
Project description:USP7, a dominant DUB activity in 3T3-L1 adipocytes and in mouse adipose tissue, increases Tip60 protein levels, and deubiquitinates Tip60 both in intact cells and in vitro. Treatment with a pan deubiquitinase (DUB) inhibitor, or knockdown of USP7, decreases adipogenesis. Transcriptome analysis reveals a common set of cell cycle genes to be co-regulated by both Tip60 and USP7. Knock down of either factor results in impaired mitotic clonal expansion, an early step in adipogenesis. These results therefore reveal deubiquitination of a transcriptional coregulator to be a key mechanism in the regulation of early adipogenesis Mature 3T3-L1 adipocytes were subjected to RNAi-mediated knock down with control(C), USP7(U)- or Tip60(T)-specific oligonucleotides. For this, 4 replicates of differentiated 3T3-L1 cells were transfected with Amaxa technology. Two days after transfection cells were washed twice with PBS twice and lysed in 0.5ml Trizol (Invitrogen). mRNA expression of Tip60 and USP7 was assessed by qRT-PCR. Amplified cRNA samples were labeled with either cy3 or cy5 and put on microarray together with and oppositely labeled common reference sample consisting of cRNA derived from undifferentiated 3T3-L1 cells.
2013-08-28 | E-GEOD-28587 | biostudies-arrayexpress
Project description:To identify the genes that increase in hypertrophic adipocytes, we have performed DNA microarray analysis in 3T3-L1 adipocytes. Hypertrophic adipocytes were obtained by long-term culture in routine cell culture medium. 2, 8 and 20 days after the induction of adipogenesis, total RNA was isolated.
2020-04-01 | GSE147858 | GEO
Project description:Snail1 is a transcriptional repressor required for a correct embryonic development. In cancer, Snail1 promotes the epithelial to mesenchymal transition in tumorigenic epithelial cells. In this work, we have analyzed the control of Snail1 in the differentiation of the 3T3-L1 cell line derived from murine embryo cells. The activation by snail of 3T3-L1 induced typical markers of cancer-activated fibroblasts as S100A4 or CD44. We generated 3T3-L1 cells stably over expressing Snail1 (3T3L1/Snail1) and control (3T3-L1/control) cells. We used SILAC quantitative approach to identify and characterize protein alterations induced by Snail1. Cells were fractionated in 5 subcellular fractions. The nuclear fraction of the cells was separated by 10% SDS-PAGE. Gels with forward and reverse experiments were stained with Coomassie Blue and cut into 18 slices prior to reduction, alkylation and digestion with trypsin. Tryptic peptides were scanned and fragmented with a linear ion trap-Orbitrap Velos (ThermoScientific). We identified a total of 3108 proteins, with 2572 quantified proteins, and 565 proteins modulated >1.5-fold by Snail1 overexpression. Among them, we found interesting up-regulated proteins associated to early differentiation of adipogenesis (C/EBPβ) and down-regulated proteins implicated in the final stages of differentiation to adipocytes (Fatty acid-binding protein or Fatty acid synthase). We also observed as down-regulated proteins important mediators of PPARγ pathway. We also observed downregulation of proteins implicated in mTOR, SRC and JAK/STAT pathway. We validated these proteomics data by western blot and qPCR in 3T3-L1 cells and other types of fibroblasts with capable to differentiate to terminal mesenchymal phenotypes, as well as in mesenchymal stem cells (MSC). This work provided insight into novel proteins with potential roles in the regulation of differentiation of the 3T3-L1 and MSCs as Nr2F6, ASC-1, Prrx1 or Cbx6. These candidates are down regulated due to the overexpression of Snail1 in 3T3-L1 cells. We next investigated the potential binding of Snail1 to promoter of these candidates. In silico analysis with MatInspector program revealed various putative E-box consensus motifs for Snail1. We performed ChIP and Luciferase assay to validate Snail1 binds to different E-box motifs of our candidates. Additionally, we analyzed the ability to prevent the differentiation to adipocytes of the 3T3-L1 cells using siRNAs. This work provided insight into novel proteins with potential roles in the regulation of differentiation to adipocytes of the 3T3-L1 and mMSC cells as Nr2F6, ASC-1, Prrx1 or Cbx6 controlled by Snail1.
2015-01-06 | PXD001529 | Pride
Project description:Purpose: Necroptosis as been implicated in various deseases. The goal of this study is to invastigate the impact of RIPK3 and MLKL in the lipid metabolism of adipocytes. Methods: 3T3-L1 preadipocytes invalidated or not for RIPK3 or MLKL were exposed differenciated into mature adipocytes and the mRNA profiles of wild type (WT), RIPK3-/- knockout (RIPK3-KO) or MLKL-/- knockout 3T3-L1 cells control (J0) or differenciated into mature adipocytes (J7) were generated by deep sequencing, in 3 copies, using Illumina NOVAseq 6000 plateform. Differential expression analysis between two conditions/groups (five biological replicates per condition) was performed using DESeq2 R package. Genes with an adjusted P value < 0.05 found by DESeq2 were assigned as differentially expressed. qRT–PCR validation was performed using SYBR Green assays Results: The DEGs were clustered using a hierarchical clustering algorithm, and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis unveiled a clear reduction in the expression of genes involved in the early or late stages of adipogenesis in MLKL-KO cells Conclusions: Taken together, these data suggest that Mlkl but not Ripk3 deficiency impaired adipogenesis of 3T3-L1 cells by reducing the expression of pro-adipogenic factors and genes involved in fatty acid metabolism.
2022-10-10 | GSE201450 | GEO
Project description:Murine 3T3-L1 progenitor adipocytes cell cultures, treated and untreated (Control) with resveratrol before the induction of differentiation and the effects on adipogenesis and insulin signaling was investigated. Keywords: Treatment response
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Project description:Transcriptomics analysis of gene expression in normal and FTO, METTL3 deficient Mouse embryo fibroblast 3T3-L1 pre-adipocytes
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2020-04-01 | GSE147857 | GEO
Project description:In previous study, we demonstrated that adenine could activate AMPK signaling in 3T3 fibroblast. To investigate the changes of transcriptome in differential 3T3 cells by adenine stimulation, we used microarrays to analyze undifferentited annd differentiated 3T3-L1 adipocytes in mRNA levels.
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