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Genes regulated by mitoflash

ABSTRACT: We found mitoflash has function in reprogramming. So we examined the genes expression after activation of mitoflash during somatic cell reprogramming. There are two ways to improve the mitoflash. First we overexpressed CypD, a mPTP component, to improve the mitoflash. Second we used the durgs, mastoparan and paraquat to increase the mitoflash. The MEF cells were reprogrammed, and treatment with mastoparan, paraquat or overexpressed with CypD. After activation of mitoflash at different times, the cells were collected for RNA-Seq. MEF cells were reprogrammed and expressed with CypD and Flag (as control) for 4 days. The cells were collected for RNA-Seq (Samples: Falg-D4, CypD-D4). MEF cells were reprogrammed and treated with mastoparan and paraquat for 8 days. The cells were collected for RNA-Seq (Samples: control-D8, mastoparan-D8 and paraquat-D8).

ORGANISM(S): Mus musculus

SUBMITTER: zhongfu ying

PROVIDER: E-GEOD-73049 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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genes regulated by mitoflash

Project description:We found mitoflash has function in reprogramming. So we examined the genes expression after activation of mitoflash during somatic cell reprogramming. There are two ways to improve the mitoflash. First we overexpressed CypD, a mPTP component, to improve the mitoflash. Second we used the durgs, mastoparan and paraquat to increase the mitoflash. The MEF cells were reprogrammed, and treatment with mastoparan, paraquat or overexpressed with CypD. After activation of mitoflash at different times, the cells were collected for RNA-Seq.

2015-09-16 | GSE73049 | GEO

Development of gene expression signatures for identifying novel factors that can overcome age-associated reprogramming barriers

Project description:To investigate the molecular features underlying senescence and rejuvenation during aged cell reprogramming and identify novel factors that can overcome age-associated barriers, we compared gene expression for reprogramming intermediates on D8 of tail-tip fibroblasts (TTFs) from young Wild Type (WT), old WT, and old p16 knockout (KO) mice. We collected TTFs from young WT, old WT, and old p16 KO mice and reprogrammed the cells by introducing four reprogramming factors, including Oct4, Sox2, Klf4, and c-Myc. Gene expression of reprogramming intermediates on D8 were compared. Two independent experiments were performed using different mice donors for each experiment.

2016-03-31 | E-GEOD-79747 | biostudies-arrayexpress

Genome-wide mapping of miRNAs expressed in embryonic stem cells and pluripotent stem cells generated by different reprogramming strategies

Project description:We report the miRNA profiling in MEF cells, ES cells and three Pluripotent Stem Cells obtained by three different reprogramming approaches from MEF cells based on Solexa sequencing. iPS cells are reprogrammed by four factors (OSKM) from MEF cells. NT-ESCs were established by reprogramming MEF cells into ESCs using nuclear transfer. NT-iPSCs were established to reflect the combination of nuclear transfer and iPS technologies. iPSCs, NT-ESCs, and NT-iPSCs were exactly derived from the same MEF cells. The results indicate NT-ESCs give expression to the unique miRNAs other than both ESCs and iPSCs while pluripotent cells acquire or retain the pluripotent specific miRNAs compared with MEF. Furthermore, the comparison of different reprogramming cells suggests that several miRNAs have key roles in distinctly developmental potential reprogrammine cells.

2014-07-05 | GSE52950 | GEO

Genome-wide mapping of miRNAs expressed in embryonic stem cells and pluripotent stem cells generated by different reprogramming strategies

2014-07-05 | E-GEOD-52950 | biostudies-arrayexpress

Transcriptome analysis of mRNAs, lncRNAs, and circRNAs during the differentiation of porcine subcutaneous preadipocytes

Project description:Subcutaneous preadipocyte differentiation play a critical role in fat deposition of pigs. However, the action of different RNAs in subcutaneous preadipocyte differentiation, such as messenger RNAs (mRNAs), long noncoding RNAs (lncRNAs), and circular RNAs (circRNAs), are still largely unclear. In the present study, a transcriptome analysis including mRNAs, lncRNAs, and circRNAs was performed in different stages of D0, D2, D4, and D8 using RNA-seq technology. Our results identified 1,554, 470, 1,344, 1,777, and 676 differentially expressed (DE) mRNAs, 112, 58, 95, 136, and 93 DE lncRNAs, and 902, 787, 710, 932, and 850 DE circRNAs between D2 and D0, between D4 and D2, between D8 and D4, between D4 and D0, and between D8 and D0, respectively. Moreover, functional enrichment analysis showed that the common DE mRNAs during entire differentiation were mainly involved in lipid metabolic and cell differentiation processes. Additionally, co-expression network analysis identified the potential lncRNAs related to adipogenesis, e.g., MSTRG.42239 and MSTRG.146410. Taken together, this study provides a genome-wide landscape of RNA expression profiles during subcutaneous preadipocyte differentiation, thus improving our understanding of molecular mechanism in regulating subcutaneous adipogenesis of pigs.

2018-11-14 | GSE114583 | GEO

MEF_OSK_O_KS_T20

Project description:Next Generation Sequencing with differdent pluripotent transcript factor overexpression in MEF Somatic cells can be reprogrammed into induced pluripotent stem cells (iPSCs) by defined factors. The low efficiency of reprogramming limited the potential application of iPSCs. Here we found that knockdown LSD1 , which demethylates histone H3 Lys 4 or 9 , could increase iPSCs generation. It has been reported that LSD1 interaction with Oct4 which is the core factor of reprogramming. So we try to find out the different of overexpression Oct4 or Kllf4/Sox2 in MEF and LSD1 inhibitor. Retrovirus-mediated different pluripotent transcript factor overexpression in MEF cells after 4 days collect mRNA profiles processing with Illumina MiSeq; MEF, Mouse Embryonic Fibroblast O, MEF infected with Oct4 KS,MEF infected with Klf4 and Sox2 OSK, MEF infected with Oct4 Klf4 and Sox2 T20, MEF infected with Oct4 Klf4 and Sox2 and treated with 20nm LSD1 inhibitor Tranylcypromine

2015-09-17 | E-GEOD-61694 | biostudies-arrayexpress

Overlapping and distinct roles of LIN28 paralogs

Project description:Lin28a or Lin28b single knockout or double knockout MEF cells reprogrammed to iPS cells Lin28a or Lin28b single knockout or double knockout MEF cells reprogrammed to iPS cells

2016-05-24 | GSE67568 | GEO

MEF_OSK_O_KS_T20

2015-09-17 | GSE61694 | GEO

Transcription profiling of mouse differentiated, partially- and fully-reprogrammed MEFs/B-cells

Project description:Expression profiles generated during dissection of the molecular mechanisms underlying direct reprogramming of somatic cells to a pluripotent state (induced pluripotent stem cells, iPS). Experiment Overall Design: 2 technical replicates of B lymphocytes, partially reprogrammed (MCV8, MCV6, BIV1), MEF-iPS(Oct4) and B-iPS(Nanog) cell lines.

2008-06-18 | E-GEOD-10871 | biostudies-arrayexpress

Genome-wide chromatin binding of Elk1 and Gli2 in chemical induced neural reprogramming

Project description:Cellular reprogramming using chemically defined conditions, without genetic manipulation, is a promising approach for generating clinically relevant cell types for regenerative medicine and drug discovery. However, small molecule-driven approaches for inducing lineage-specific stem cells from somatic cells across lineage boundaries have been challenging to develop. Here, we report highly efficient reprogramming of mouse fibroblasts into induced neural stem cell-like cells (ciNSLCs) using a cocktail of nine small molecules (M9). The resulting ciNSLCs closely resemble primary neural stem cells molecularly and functionally. Transcriptome analysis revealed that M9 induces a gradual and specific conversion of fibroblasts towards a neural fate. During reprogramming specific transcription factors such as Elk1 and Gli2 that are downstream of M9-induced signaling pathways bind and activate endogenous master neural genes to specify neural identity. Our study therefore provides an effective chemical approach for generating neural stem cells from mouse fibroblasts, and reveals mechanistic insights into underlying reprogramming process. Genome-wide binding of Elk1 and Gli2 was analyzed by CHIP-seq for tdMEFs from day 0 (ciNSLC), day 4 (D4), day 8 (D8) of M9-induced neural reprogramming, and ciNSLCs and pri-NPC.

2016-05-15 | E-GEOD-78976 | biostudies-arrayexpress

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