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Homo sapiens

ABSTRACT: RNA-Seq of the undifferentiated and differentiated SH-SY5Y cells

PROVIDER: PRJNA301726 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR2932230.fastq.gz	Fastqsanger.gz
	SRR2932230_1.fastq.gz	Fastqsanger.gz
	SRR2932230_2.fastq.gz	Fastqsanger.gz
	SRR2932227.fastq.gz	Fastqsanger.gz
	SRR2932227_1.fastq.gz	Fastqsanger.gz

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RNA sequencing of undifferentiated and differentiated SH SY5Y cells

Project description:RNA sequencing of undifferentiated and differentiated SH SY5Y cells

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Quantitative proteomics and in-cell cross-linking reveal cellular reorganisation during early neuronal differentiation of SH-SY5Y cells

Project description:The proteomes of undifferentiated and differentiated SH-SY5Y cells are characterised and compared. For this, neuronal differentiation using retinoic acid (RA) or a combination of RA and phorbol-12-myristat-13-acetate (RA/PMA) was explored. An MS-based label-free quantification approach is applied to identify changes in the protein expression, the as proteins’ subcellular localisation abundance as well as their association with enriched KEGG pathways. By employing formaldehyde cross-linking insights into protein interaction networks of undifferentiated as well as RA- and RA/PMA-differentiated neurons are obtained. The analyses provided insights into the proteomes of undifferentiated and differentiated SH-SY5Y cells and suggest structural rearrangements, for instance, of the actin network during neuronal differentiation.

2022-04-08 | PXD031054 | Pride

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Project description:Experimentally induced thiamine deficiency in neuronally differentiated SH-SY5Y cells using oxythiamine

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Project description:Phenotypic characterization of retinoic acid differentiated SH-SY5Y cells by transcriptional profiling

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Quantitative proteomic analysis identifies proteins and pathways related to neuronal development in differentiated SH-SY5Y neuroblastoma cells

Project description:SH-SY5Y neuroblastoma cells are widely used as in vitro neuronal model. They can be induced to a differentiated phenotype, presenting neurites and synaptical-like structures in response to retinoic (RA) acid and brain-derived neurotrophic factor (BDNF), providing a model to analyze neuronal differentiation. We report a large scale MS quantification of SH-SY5Y cells proteome during its differentiation process after treatment with RA/BDNF. Using isobaric tags for relative and absolute quantification (iTRAQ) approach and phosphopeptide enrichment protocols, we identified a total of 5587 proteins, 366 of them showed differential abundance between both conditions of culture. Differentiated SH-SY5Y cells showed regulation of proteins and phosphosites strongly related to neuronal development, in contrast, undifferentiated cells expressed proteins more related to cell proliferation and control of cell cycle. Interactive network analysis covered processes as focal adhesion, cytoskeleton dynamics and neurodegenerative diseases and pathway analysis displayed regulation of mitogen-activated protein kinase and phosphoinositide 3-kinase/Akt signaling pathways mainly; the proteins involved in those processes might be considered as markers for neuronal differentiation. Overall the data collection presented here can be explored for any studies which intent to use SH-SY5Y as neuronal model.

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H3K27me3 ChIP-seq in SH-SY5Y human neuroblastoma cell line

Project description:H3K27me3 ChIP-seq was performed on: 1) untreated SH-SY5Y human neuroblastoma cells (day 0) 2) vincristine-treated SH-SY5Y human neuroblastoma cells (7 days of treatment - day 7) 3) vincristine-treated SH-SY5Y human neuroblastoma cells (7 days of treatment + 7 days of recover - day 14)

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Project description:SH-SY5Y cells: DMSO vs. clioquinol

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Gene expression during neuronal differentiation in two subtypes of SH-SY5Y

Project description:Background: SH-SY5Y cells exhibit a neuronal phenotype when treated with all-trans retinoic acid (RA), but the molecular mechanism of activation in the signaling pathway mediated by phosphatidylinositol 3-kinase (PI3K) is not sufficiently understood. To shed new light on the mechanism, we comprehensively compared the gene expression profiles between SK-N-SH cells and two subtypes of SH-SY5Y cells (SH-SY5Y-A and SH-SY5Y-E), each of which showed a different phenotype during RA-mediated differentiation. Results: SH-SY5Y-A cells differentiated in the presence of RA, whereas RA-treated SH-SY5Y-E cells required additional treatment with brain-derived neurotrophic factor (BDNF) for full differentiation. In combination with perturbation using a PI3K inhibitor, LY294002, we identified 386 genes and categorized them into two clusters dependent on the PI3K signaling pathway during RA-mediated differentiation in SH-SY5Y-A cells. Transcriptional regulation of the gene cluster was greatly reduced in SK-N-SH cells or partially impaired in SH-SY5Y-E cells in coincidence with a defect in the neuronal phenotype of these cell lines. Additional stimulation with BDNF induced a set of neural genes which were down-regulated in RA-treated SH-SY5Y-E cells but were abundant in the differentiated SH-SY5Y-A cells. Conclusions: We identified the gene clusters controlled by PI3K- and TRKB-mediated signaling pathways during differentiation in two subtypes of SH-SY5Y cells. TRKB-mediated bypass pathway compensates for the impaired neural functions generated by defects in several signaling pathways including PI3K in SH-SY5Y-E cells. The expression profiling data are useful for further studies to elucidate the signal transduction-transcriptional network including PI3K and/or TRKB. Keywords: Cell type comparison, time course

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