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Effect of interleukin-10 on primary oligodendrocyte progenitor cells under hemin administration

ABSTRACT: Effect of interleukin-10 on primary oligodendrocyte progenitor cells under hemin administration

PROVIDER: PRJNA917509 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR22955086_1.fastq.gz	Fastqsanger.gz
	SRR22955086_2.fastq.gz	Fastqsanger.gz
	SRR22955087_1.fastq.gz	Fastqsanger.gz
	SRR22955087_2.fastq.gz	Fastqsanger.gz
	SRR22955088_1.fastq.gz	Fastqsanger.gz

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Effect of interleukin-10 on primary oligodendrocyte progenitor cells under hemin administration

Project description:To investigate the gene expression changes in primary oligodendrocyte progenitor cells generated from wild-type mouse pups after hemin or hemin+interleukin-10 or hemin+interleukin-10+stattic treatment

2024-01-03 | GSE222049 | GEO

Hemin and iron transcriptome of Porphyromonas gingivalis (part 1)

Project description:Transcriptional profiling of P. gingivalis cells comparing cells grown under hemin replete conditions to that grown under hemin depleted conditions Two-condition experiment, hemin replete vs. hemin deplete grown cells. Biological replicates: 3 independently grown and harvested bacterial cells. Four technical replicates (four replicates per array).

2015-05-18 | E-GEOD-50701 | biostudies-arrayexpress

Hemin and iron transcriptome of Porphyromonas gingivalis (part 1)

Project description:Transcriptional profiling of P. gingivalis cells comparing cells grown under hemin replete conditions to that grown under hemin depleted conditions

2015-05-18 | GSE50701 | GEO

CD140a+ human oligodendrocyte progenitor cells

Project description:Glial progenitor cells (GPCs) pervade the human brain. These cells express gangliosides recognized by MAb A2B5, and some but not all can generate oligodendrocytes. Since some A2B5+ GPCs express PDGFa receptor (PDGFRa), which is critical to oligodendrocyte development, we asked if PDGFRa-directed sorting might isolate oligodendrocyte-competent progenitors. We used FACS to sort PDGFRa+ cells from the second trimester fetal human forebrain, based on expression of the PDGFRa epitope CD140a. CD140a+ cells could be maintained as mitotic progenitors that could be instructed to either oligodendrocyte or astrocyte phenotype. Transplanted CD140a+ cells robustly myelinated the hypomyelinated shiverer mouse brain. Microarray confirmed that CD140a+ cells differentially expressed PDGFRA, NG2, OLIG1/2, NKX2.2 and SOX2. Some expressed CD9, thereby defining a CD140a+/CD9+ fraction of oligodendrocyte-biased progenitors. CD140a+ cells differentially expressed genes of the PTN-PTPRZ1, wnt, notch and BMP pathways, suggesting the interaction of self-renewal and fate-restricting pathways in these cells, while identifying targets for their mobilization and instruction.

2011-10-01 | GSE29368 | GEO

Ferroptosis in oligodendrocyte progenitor cells mediates white matter injury after hemorrhagic stroke

Project description:Oligodendrocyte progenitor cells (OPCs) differentiate to myelin-producing mature oligodendrocytes and enwrap growing or demyelinated axons during development and post central nervous diseases. Failure of remyelination due to cell death or undifferentiation of OPC contributes to severe neurologic deficits and motor dysfunction. However, how to prevent the cell death of OPCs is still poorly understood, especially in hemorrhagic diseases. In this current study, we injected autologous blood into the mouse lateral ventricular to study the hemorrhage induced OPC cell death in vivo. The integrity of the myelin sheath of the corpus callosum was disrupted post intraventricular hemorrhage (IVH) assessed by using magnetic resonance imaging, immunostaining, and transmission electron microscopy. Consistent with the severe demethylation, we observed massive cell death of oligodendrocyte lineages in the periventricular area. In addition, we found that ferroptosis is the major cell death form in Hemin-induced OPC death by using RNA-seq analysis, and the mechanism was glutathione peroxidase 4 (GPx4) expression and activity reduction-resulted lipid peroxide accumulation. Furthermore, inhibition of ferroptosis rescued OPC cell death in vitro, and in vivo attenuated IVH-induced white matter injury and promoted recovery of neurological function. These data demonstrate that ferroptosis is an essential form of OPC cell death in hemorrhagic stroke, and rescuing ferroptotic OPCs could serve as a therapeutic target for stroke and related diseases.

2022-02-24 | GSE197104 | GEO

Effect of hemin on gene expression of C57BL/6 primarily cultured neurons

Project description:To investigate the effects of hemin on primary cultured neurons, we established hemin-treated primary cultured neurons.

2024-09-13 | GSE263227 | GEO

CD133/CD140a-Based Isolation of Distinct Human Multipotent Neural Progenitor Cells and Oligodendrocyte Progenitor Cells

Project description:The mechanisms underlying the specification of oligodendrocyte fate from multipotent neural progenitor cells (NPCs) in developing human brain are unknown. In this study, we sought to identify antigens sufficient to distinguish NPCs free from oligodendrocyte progenitor cells (OPCs). We investigated the potential overlap of NPC and OPC antigens using multicolor fluorescence-activated cell sorting (FACS) for CD133/PROM1, A2B5, and CD140a/PDGFaR antigens. Surprisingly, we found that CD133, but not A2B5, was capable of enriching for OLIG2 expression, Sox10 enhancer activity, and oligodendrocyte potential. As a subpopulation of CD133- positive cells expressed CD140a, we asked whether CD133 enriched bone fide NPCs regardless of CD140a expression. We found that CD133+CD140a- cells were highly enriched for neurosphere initiating cells and were multipotent. Importantly, when analyzed immediately following isolation, CD133+CD140a- NPCs lacked the capacity to generate oligodendrocytes. In contrast, CD133+CD140a+ cells were OLIG2-expressing OPCs capable of oligodendrocyte differentiation, but formed neurospheres with lower efficiency and were largely restricted to glial fate. Gene expression analysis further confirmed the stem cell nature of CD133+CD140a- cells. As human CD133+ cells comprised both NPCs and OPCs, CD133 expression alone cannot be considered a specific marker of the stem cell phenotype, but rather comprises a heterogeneous mix of glial restricted as well as multipotent neural precursors. In contrast, CD133/CD140a-based FACS permits the separation of defined progenitor populations and the study of neural stem and oligodendrocyte fate specification in the human brain. 12 samples, 4 groups (FACS-sorted cell populations),3 replicates in each group, each replicate is from a separate patient sample

2013-04-23 | E-GEOD-40676 | biostudies-arrayexpress

Hemin timecourse 0-72h

Project description:K562 cells (duplicate cultures A & B) are treated with 50 micromolar hemin for 0, 6, 12, 24, 48, 72 hours followed by RNA extraction and gene expression profiling on Affymetrix human U133A arrays and analysis by MAS 5.0 Keywords: other

2004-04-05 | GSE1036 | GEO

Effect of hemin and of HAP1 on C. albicans expression pattern

Project description:To test the effect of hemin and of HAP1 in C. albicans, a hap1 mutant and it's reintegrant (wild-type) strain were grown in YPD to log phase, and then exposed or not to 50 microM hemin for 30'.

2022-05-16 | GSE202577 | GEO

Direct Conversion of Fibroblasts into Oligodendrocyte Progenitor Cells

Project description:Many studies have already shown the reprogramming of somatic cells into other cell types such as neural stem cells, blood progenitor cells, and hepatocytes by inducing combinations of transcription factors. One of the recent development in cellular reprogramming is the direct reprogramming, that can change cell fate towards different lineages. This strategy provides an alternative to the use of pluripotent stem cells ruling out the concerns of tumorigenicity caused by undifferentiated cell populations. Here, we generated induced oligodendrocyte progenitor cells (iOPCs) from mouse fibroblasts by direct reprogramming. The generated iOPCs are homogenous, self-renewing, and multipotent. Once differentiated, the somatic stem cells exhibit morphological and molecular characteristics of oligodendrocyte progenitor cells (OPCs). Thus, we demonstrated that terminally differentiated somatic cells can be converted into functional iOPCs by induction of transcription factors offering a new strategies to cure myelin disorders. To identify the global gene expression profiles of iOPCs, we analyzed total 6 samples.

2015-11-02 | E-GEOD-52035 | biostudies-arrayexpress

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