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Schwann cell condition medium MS

ABSTRACT: The effects of Schwann cells on the neuro-stroma niche in pancreatic ductal adenocarcinoma (PDAC) remain to be explored. Here, single-cell RNA-sequencing and spatial transcriptome analysis of PDAC tissues reveals that Schwann cells induce malignant subtypes of tumour cells and cancer-associated fibroblasts. Mass Spectrometry (MS) were performed to detected the potential functional factors secreted by Schwann cells.

INSTRUMENT(S): LTQ Orbitrap Elite

ORGANISM(S): Rattus Norvegicus (rat) Homo Sapiens (human)

TISSUE(S): Cell Suspension Culture

SUBMITTER: Meilin Xue

LAB HEAD: Hao Chen

PROVIDER: PXD042556 | Pride | 2023-06-27

REPOSITORIES: Pride

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			Action	DRS
	1.p	Other
	2.p	Other
	HZY-RSC1.raw	Raw
	HZY-RSC2.raw	Raw
	HZY-SNF.raw	Raw

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Schwann Cells Shape Tumor Cells and Cancer-Associated Fibroblasts in the Pancreatic Ductal Adenocarcinoma Microenvironment

Project description:Neuropathy is a feature more frequently observed in pancreatic ductal adenocarcinoma (PDAC) than other tumors. Schwann cells, the most prevalent cell in peripheral nerves, migrate toward tumor cells and associate with poor prognosis in PDAC. To unveil the effects of Schwann cells on the neuro-stroma niche, single-cell RNA-sequencing and microarray-based spatial transcriptome analysis of PDAC tissues were performed. Results suggested that Schwann cells may drive tumor cells and cancer-associated fibroblasts (CAFs) to more malignant subtypes: basal-like and inflammatory CAFs (iCAFs), respectively. Moreover, in vitro and in vivo assays demonstrated that Schwann cells enhanced the proliferation and migration of PDAC cells via Midkine and promoted the switch of CAFs to iCAFs via interleukin-1a. By Schwann cells condition medium, tumor cells together with iCAFs accelerate PDAC progression. Thus, we revealed, for the first time, that Schwann cells induce malignant subtypes of tumor cells and CAFs in the PDAC milieu.

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Schwann Cells Shape Tumor Cells and Cancer-Associated Fibroblasts in the Pancreatic Ductal Adenocarcinoma Microenvironment [ST]

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Schwann Cells Shape Tumor Cells and Cancer-Associated Fibroblasts in the Pancreatic Ductal Adenocarcinoma Microenvironment [scRNA-seq]

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Transcriptional profiling predicts overwhelming homology of Schwann cells, olfactory ensheating cells and Schwann cell-like glia

Project description:The objective of this study was to compare the transcriptomes of uninfected and canine distemper virus-infected Schwann cells, olfactory ensheating cells, central nervous system Schwann cell-like glia, and fibroblasts cultured under identical conditions in vitro.

2014-06-02 | E-MTAB-2061 | biostudies-arrayexpress

mRNA profiling of schwann cells cultured with monocytes derived macrophages and PDAC cell lines supernants-induced tumor-associated macrophages (TAMs)

Project description:Tumor associated macrophages(TAMs) have been demonstrated to promote tumor progression and perineural invasion in PDAC, however the underlying machanism of TAMs interacting with Schwann cells is still unclear. We found the gene expression of Schwann cell is different from TAMs-induced Schwann cells by comparing mRNA profiling.

2023-12-20 | GSE194205 | GEO

Expression data of three sets of cells: (1) Schwann cells and macrophages from 1m-old WT DRG, (2) Schwann cells (Nf1-/-) and macrophages (Nf1+/+) from 1m-old neurofibroma, (3) Schwann cells (Nf1-/-) and macrophages (Nf1+/+) from 7m-old neurofibroma

Project description:Schwann cells and macrophages were dissociated from normal DRGs and 1- and 7-month-old neurofibroma. Schwann cells from neurofibroma have Nf1-/- phenotypes. All macrophages have Nf1+/+ phenotypes. We used microarrays (Affymetrix MoGene 2.0 ST GeneChip) to detect transcriptomal changes between 7-month-old neurofibroma Schwann cells (or macrophages) versus 1-month-old wild-type (or neurofibroma) Schwann cells (or macrophages). Expression data of three sets of cells: (1)Schwann cells and macrophages from 1-month-old wild-type mouse dorsal root ganglia, (2) Schwann cells (Nf1-/-) and macrophages (Nf1+/+) from 1-month-old neurofibroma, (3) Schwann cells (Nf1-/-) and macrophages (Nf1+/+) from 7-month-old neurofibroma We chopped mouse DRG/neurofibromas into 1-3 mm^3 pieces and plated them in dissociation medium containing 20mL L-15 (Mediatech), 0.5 mg/mL collagenase type 1 (Worthington; Lakewood, NJ), and 2.5 mg/mL dispase protease type II (Cambrex; East Rutherford, NJ) at 37Â°C for 4-6 hours with shaking. The dissociation reaction was stopped by adding DMEM +10%FBS. Undigested DRG/tumors were excluded by 100ÂµM cell strainer. Cells were collected by centrifugation. For each microarrays (Schwann cell, macrophage), Affymetrix GeneChip Command Console (v4.0.0) was used to create .chp files. All the probe sets on Affymetrix Mouse Gene 2.0 ST array (Mogene-2_0-st-v1.na33.2.mm10) were summarized by Affymetix Expression Console program using robust multi-chip average (RMA) method . After preprocessing steps, data from two batches were combined and their batch effects were corrected using ComBat method Please note that [1] all MP samples are Nf1+/+ (no mutation on Nf1 gene) and the only difference is their ages (1month, 7month) and [2] the 'nf1' in sample title reperesents "neurofibroma type1 disease", not "Nf1 gene".

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Microarray analysis of RNA stability in mouse Neuro-2A cells

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Transcription profiling of human Schwann cells after extended exposure to heregulin and forskolin

Project description:Schwann cells, expanded in number by exposure to growth factors in vitro, could be useful in nervous system repair. Our previous results suggest that long term exposure to heregulin and forskolin changes the functional properties of the human Schwann cells, including the ability to myelinate axons after transplantation. Here, we propose to determine the molecular changes in the Schwann cells that occur as a result of extended growth with mitogenic factors. We believe that the information obtained in these studies will provide clues about mechanisms underlying the already observed changes in function. This information will aid in the prediction of the safety and efficacy of neural repair approaches that use cultured, expanded Schwann cells. Finally this data may provide clues into the mechanisms underlying normal human Schwann cell function.,To use gene array analysis to compare gene expression profiles in early and late passage human Schwann cells exposed to the growth factors heregulin and forskolin.,Observed changes in the function of human Schwann cells, including their capacity for growth and differentiation, after prolonged exposure to heregulin and forskolin, are caused by changes in the gene expression profiles in these cells.

2007-06-22 | E-GEOD-4030 | biostudies-arrayexpress

SNAT - RNA sequencing of sorted Schwann cells as a single mixed population, enriched in myelinating Schwann cells, or enriched in not-myelinating Schwann cells

Project description:RNA sequencing of sorted mouse Schwann cells expressing YFP due to P0Cre-mediated recombination. The plotting of side scatter versus eYFP fluorescence generates 2 semi-detached eYFP+ clouds of cells, which further enables the enriched selection of myelinating Schwann cells, and of not-myelinating Schwann cells.

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Kinome and Rho-GTPase Synthetic Lethal shRNA Library Screen in paired NF1-/- and GAP-Related Domain Restored Schwann Cells

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2019-11-30 | E-MTAB-8398 | biostudies-arrayexpress

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