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MicroRNA-153 regulates the acquisition of gliogenic competence by neural stem cells

ABSTRACT: MicroRNA-153 regulates the acquisition of gliogenic competence by neural stem cells

PROVIDER: PRJNA287689 | ENA |

REPOSITORIES: ENA

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MicroRNA-153 Regulates the Acquisition of Gliogenic Competence by Neural Stem Cells.

Project description:Mammalian neural stem/progenitor cells (NSPCs) sequentially generate neurons and glia during CNS development. Here we identified miRNA-153 (miR-153) as a modulator of the temporal regulation of NSPC differentiation. Overexpression (OE) of miR-153 delayed the onset of astrogliogenesis and maintained NSPCs in an undifferentiated state in vitro and in the developing cortex. The transcription factors nuclear factor I (NFI) A and B, essential regulators of the initiation of gliogenesis, were found to be targets of miR-153. Inhibition of miR-153 in early neurogenic NSPCs induced precocious gliogenesis, whereas NFIA/B overexpression rescued the anti-gliogenic phenotypes induced by miR-153 OE. Our results indicate that miR-mediated fine control of NFIA/B expression is important in the molecular networks that regulate the acquisition of gliogenic competence by NSPCs in the developing CNS.

| S-EPMC4618452 | biostudies-literature

MicroRNA-153 regulates the acquisition of gliogenic competence by neural stem cells

Project description:This SuperSeries is composed of the SubSeries listed below.

2015-08-01 | GSE70131 | GEO

MicroRNA-153 regulates the acquisition of gliogenic competence by neural stem cells

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2015-08-01 | E-GEOD-70131 | biostudies-arrayexpress

Contribution of molecular actors from somatic origin to oocyte developmental competence acquisition, lessons from evolution

Project description:This SuperSeries is composed of the following subset Series: GSE36602: Transcriptional profiling of somatic cells differentiation throughout oocyte competence acquisition in rainbow trout ovarian follicles. GSE36603: Transcriptional profiling of somatic cells differentiation throughout oocyte competence acquisition in the xenopus ovarian follicles. GSE36604: Transcriptional profiling of cumulus cells differentiation throughout oocyte competence acquisition in the murine ovarian follicles. GSE36605: Transcriptional profiling of cumulus cells differentiation throughout oocyte competence acquisition in the bovine ovarian follicles. Refer to individual Series

2012-10-14 | E-GEOD-36617 | biostudies-arrayexpress

Cumulus cell gene expression associated with pre-ovulatory acquisition of developmental competence in bovine oocytes

Project description:This study investigated the cumulus cell (CC) transcriptomic changes during the oocyte developmental competence acquisition period.

2016-04-01 | GSE79760 | GEO

Cumulus cell gene expression associated with pre-ovulatory acquisition of developmental competence in bovine oocytes

Project description:This study investigated the cumulus cell (CC) transcriptomic changes during the oocyte developmental competence acquisition period. Six dairy cows were used for 24 oocyte collections and received FSH twice daily over 3 days, followed by FSH withdrawal for 20, 44, 68 and 92 h in four different oestrous cycles for each of the six cows. Half of the cumulusâoocyte complexes were subjected to in vitro maturation, fertilisation and culture to assess blastocyst rate. The other half of the CC underwent microarray analysis and qRT-PCR.

2016-04-01 | E-GEOD-79760 | biostudies-arrayexpress

Quantitative proteomics of liver from PCB 153 exposed Atlantic cod

Project description:In order to investigate the underlying mechanisms of PCB 153 mediated toxicity to Atlantic cod (Gadus morhua), we analyzed the liver proteome of fish exposed to various doses of PCB 153 (0, 0.5, 2 and 8mg/kg body weight) for two weeks and examined the effects on expression of liver proteins using quantitative proteomics. Label-free mass spectrometry enabled quantification of 1272 proteins, and 78 were differentially regulated between PCB 153 treated samples and controls. Two proteins downregulated due to PCB 153 treatment, Glutathione S-transferase theta 1 (GSTT1) and sulfotransferase family protein 1 (ST2B1), were verified using selected reaction monitoring (SRM). Supported by bioinformatics analyses, we concluded that PCB 153 perturbs lipid metabolism in the Atlantic cod liver and that increased levels of lipogenic enzymes indicate increased synthesis of fatty acids and triglycerides.

2017-01-17 | PXD004362 | Pride

Transcriptional profiling of cumulus cells differentiation throughout oocyte competence acquisition in the bovine ovarian follicles.

Project description:Somatic cells surrounding the oocyte were sampled at the following stages: developmentally incompetent or poorly competent prophase I oocytes (NC1 oocytes), developmentally competent prophase I oocytes (C1 oocytes), and developmentally competent metaphase II oocytes (C2 oocytes). NC1 cumulus cells (CC) were sampled from immature calf oocytes, C1 samples from immature cow oocytes, and C2 samples from in vivo matured cow oocytes. Global transcriptional profiling was performed using cumulus cells collected from bovine ovarian follicles during in vivo oocyte developmental competence acquisition. Cumulus cells were collected at 3 stages: early stage follicles (prophase I arrested oocytes, meiotically competent but developmentally incompetent, n=6), late stage follicles (prophase I arrested oocytes, meiotically competent and developmentally competent, n=6) and ovulatory follicles collected by ovum pick-up (OPU) in vivo (metaphase II arrested oocytes, developmentally fully competent, n=5).

2012-10-14 | E-GEOD-36605 | biostudies-arrayexpress

Transcriptional profiling of somatic cells differentiation throughout oocyte competence acquisition in the xenopus ovarian follicles.

Project description:Somatic cells surrounding the oocyte were sampled at the following stages: developmentally incompetent or poorly competent prophase I oocytes (NC1 oocytes), developmentally competent prophase I oocytes (C1 oocytes), and developmentally competent metaphase II oocytes (C2 oocytes). NC1 samples were collected from immature stage IV follicles, C1 samples from immature stage VI follicles, and C2 samples from in vitro matured stage VI follicles. Global transcriptional profiling was performed using somatic cells collected from xenopus ovarian follicles during in vivo oocyte developmental competence acquisition. Somatic cells were collected at 3 stages of oogenesis: early stage follicles (stage IV, vitellogenic, prophase I arrested oocytes, meiotically competent but developmentally incompetent, n=5), late stage follicles (stage VI, post-vitellogenic, prophase I arrested oocytes, meiotically competent and developmentally competent, n=5) and ovulatory follicles collected after in vitro maturation induction with hCG of post-vitellogenic follicles (metaphase II arrested oocytes, developmentally fully competent, n=5).

2012-10-14 | E-GEOD-36603 | biostudies-arrayexpress

Transcriptional profiling of somatic cells differentiation throughout oocyte competence acquisition in rainbow trout ovarian follicles.

Project description:Somatic cells surrounding the oocyte were sampled at the following stages: developmentally incompetent or poorly competent prophase I oocytes (NC1 oocytes), developmentally competent prophase I oocytes (C1 oocytes), and developmentally competent metaphase II oocytes (C2 oocytes). NC1 samples were collected from late vitellogenic females (LV), C1 samples from post-vitellogenic females (PV), and C2 samples from females undergoing meiotic maturation (Germinal Vesicle Breakdown) Global transcriptional profiling was performed using somatic cells collected from rainbow trout ovarian follicles during in vivo oocyte developmental competence acquisition. Somatic cells were collected at 3 stages of oogenesis: NC1 stage follicles (LV, late vitellogenic, prophase I arrested oocytes, meiotically incompetent and developmentally incompetent, n=6), C1 stage follicles (PV, post-vitellogenic, prophase I arrested oocytes, meiotically competent and developmentally competent, n=16). Ovulatory follicles were also collected during oocyte maturation after in vivo induction (metaphase II arrested oocytes, developmentally fully competent, n=6).

2012-10-14 | E-GEOD-36602 | biostudies-arrayexpress

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