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Transcriptome sequencing wide functional analysis of human mesenchymal stem cells (LPS)

ABSTRACT: Using RNA-seq, we report here that BM-MSC cells have a distinct transcriptomic signature and express a unique cluster of transcripts in response to 4 hrs LPS (1ug/ml).

ORGANISM(S): Homo sapiens

PROVIDER: GSE97723 | GEO | 2019/04/03

REPOSITORIES: GEO

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Transcriptome sequencing wide functional analysis of human mesenchymal stem cells

Project description:Using RNA-seq, we report here that BM-MSC cells have a distinct transcriptomic signature and express a unique cluster of transcripts in response to 4 hrs LPS.

2016-09-19 | GSE81478 | GEO

Transcriptome sequencing wide functional analysis of human mesenchymal stem cells with PolyIC treatment

Project description:Using RNA-seq, we report here that BM-MSC cells have a distinct transcriptomic signature and express a unique cluster of transcripts in response to 4 hrs polyIC (10 ug/ml).

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Transcriptome sequencing wide functional analysis of human mesenchymal stem cells (Poly(I:C))

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LPS time-course in WT and Stk40 KO BMDMs

Project description:Bone marrow was harvested from Rosa26CreER; Stk40+/+ (WT; n = 3) and Rosa26CreER; Stk40loxp/loxp (Stk40 KO; n = 3) mice and differentiated for 6 days in the presence of 100 nM 4-OHT to generate WT and Stk40 KO bone-marrow derived macrophages (BMDMs). 2. On day 7 following differentiation BMDMs were treated with 100 ng x ml-1 LPS and harvested at 0 hrs, 6 hrs, 16 hrs, and 32 hrs following LPS exposure. 3. The cells were snap-frozen at the time of harvest. RNA was extracted using the Qiagen RNeasy mini kit as per manufacturer’s protocol including the on-column DNase digestion. Groups: There are cells from 3 mice x 2 genotypes x 4 time points G1: WT 0 hr LPS G2: WT 6 hr LPS G3: WT 16 hr LPS G4: WT 32 hr LPS G5: Stk40 KO 0 hr LPS G6: Stk40 KO 6 hr LPS G7: Stk40 KO 16 hr LPS G8: Stk40 KO 32 hr LPS

2018-12-28 | GSE124410 | GEO

Steroids Effect on HUVEC Response to LPS or Cytokines

Project description:Pooled first passage cryopreserved, human umbilical vein endothelial cells (HUVEC) were obtained from Cascade Biologics (Portland, OR), thawed, and cultured according to the supplier’s recommendations in Medium 200. After thawing, cells were seeded onto 0.2% gelatin coated tissue culture plates and cultivated under 95% air, 5% CO2 at 37 oC. Confluent cells were cultured in steroids-depleted medium for 96 hrs before the addition of 17β-estradiol (17βE) or hydrocortisone (H) to 1 µM for 5 hrs. For Lipopolysaccharide (LPS) or cytokine mix (CM)-treatments, cells or pretreated with vehicle (0.1% ethanol), 1µM 17βE, or H for 1 hr were exposed to 100 ng/ml LPS or a mixture of proinflammatory cytokines (CM, 500 U/ml IL-1b, 2500 U/ml TNF-α, and 1250 U/ml IFN-γ) for 4 hours. All treatments were done in quadruplicates. At the end of treatment, total cellular RNA was isolated. Keywords: parallel sample

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Microarray whole transcriptome profiling of LPS (Escherichia coli O111:B4) treated BV-2 Cells

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Therapeutic intervention of monocytes to LPS challenge

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2015-07-02 | E-GEOD-65855 | biostudies-arrayexpress

Single-cell RNA-seq of of bone marrow derived mononuclear phagocytes derived from mouse; rat; rabbit or pig

Project description:Bone marrow derived phagocytes from mouse, rat, rabbit and pig stimulated with LPS (100ng/mL) or with dsRNA (poly I:C) (1ug/mL) for 0,2,4,6 hours. Processed files include UMI matrices of QCed cells that belong to the first cluster (as described in the publication), which were used for all the analyses presented in the publication.

2018-07-16 | E-MTAB-6754 | biostudies-arrayexpress

Secretome analysis of human bone marrow derived mesenchymal stromal cells

Project description:As an essential cellular component of the bone marrow (BM) microenvironment mesenchymal stromal cells (MSC) play a pivotal role for the physiological regulation of hematopoiesis, in particular through the secretion of cytokines and chemokines. Mass spectrometry (MS) facilitates the identification and quantification of a large amount of secreted proteins (secretome), but can be hampered by the false-positive identification of contaminating proteins released from dead cells or derived from cell medium. To reduce the likelihood of contaminations we applied an approach combining secretome and proteome analysis to characterize the physiological secretome of BM derived human MSC. Our analysis revealed a secretome consisting of 315 proteins. Pathway analyses of these proteins revealed a high abundance of proteins related to cell growth and/or maintenance, signal transduction and cell communication thereby representing key biological functions of BM derived MSC on protein level. Within the MSC secretome we identified several cytokines and growth factors such as VEGFC, TGF-β1, TGF-β2 and GDF6 which are known to be involved in the physiological regulation of hematopoiesis. By comparing the peptide patterns of secretomes and cell lysates 17 proteins were identified as candidates for proteolytic processing. Taken together, our combined MS work-flow reduced the likelihood of contaminations and enabled us to carve out a specific overview about the composition of the secretome from human BM derived MSC. This methodological approach and the specific secretome signature of BM derived MSC may serve as basis foffuture comparative analyses of the interplay of MSC and HSPC in patients with hematological malignancies.

2019-02-12 | PXD011643 | Pride

Transcriptomic profiling of S2/S3 proximal tubules in response to LPS treatment

Project description:To investigate the mechanisms of endotoxin-mediated kidney injury as well as renoprotective effects of endotoxin preconditioning, we performed manual microdissection of S2/S3 proximal tubules in mice as follows: 1) Non-preconditioned mice subjected to single-dose 5 mg/kg LPS (0111:B4) i.p. for 4 hrs. 2) Non-preconditioned mice subjected to single-dose 5 mg/kg LPS (0111:B4) for 24 hrs. 3) Preconditioned mice subjected to 0.25 mg/kg LPS followed 24 hour later by 5 mg/kg LPS for 4 hrs. 4) Preconditioned mice subjected to 0.25 mg/kg LPS followed 24 hour later by 5 mg/kg LPS for 24 hrs. 5) Control mice (untreated).

2018-10-06 | GSE120879 | GEO

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