Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA263475 | ENA |
REPOSITORIES: ENA
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2015-06-22 | E-GEOD-62208 | biostudies-arrayexpress
Project description:The conditioned media from Bifidobacterium infantis (BCM) and Lactobacillus acidophilus (LCM) were reported to promote maturation of innate immune response gene expression, which explained the protective effects of probiotics in clinical necrotizing enterocolitis. We used microarray analysis to investigate the expression of genes involved in regulation of BCM and LCM in IL-1β stimulated immature human enterocytes. The H4 cells (a human nontransformed primary intestinal epithelial cell line) were pretreated with BCM or LCM (15%) for 30 minutes, and then stimulated with or without IL-1β (10 ng/mL) for 4 h. Cell media and IL-1β stimulation were negative and positive control, respectively. RNA was extracted for mcroarray analysis.
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Project description:Invasive Lobular Carcinoma (ILC) is an under-studied yet common subtype of breast cancer. A key feature of ILC tumours, due to their single-file invasive growth pattern, is a high stromal content and in particular, an abundance of cancer-associated fibroblasts (CAFs). We identified that IL-6 secreted from primary ILC patient-derived CAFs drives STAT3 activation in ILC cell lines and found that IL6, STAT3, pSTAT3 and subsequent downstream gene expression induced by IL-6 within CAF conditioned media is upregulated in ILC tumours compared to Invasive Ductal Carcinoma tumours, the most common subtype of breast cancer. This dataset contains 3`-mRNAseq data from ILC cell lines (SUM44PE and MDA-MB-134VI) and patient-derived organoids (HCI-013 and HCI-018) stimulated with either recombinant human IL-6 (10 ng/ml) for 24 hours or 1 week or SUM44PE cells stimulated with CAF conditioned media (CAF CM)collected from ED26 primary ILC CAFs (characterised here: doi.org/10.3390/cancers14040904) +/- an IL-6 neutralising antibody. RNA was extracted using Qiagen RNeasy mini-kit and libraries were prepared using QuantSeq 3’ mRNA-Seq Library Prep Kit (FWD) for Illumina (Lexogen Inc, #015).
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2019-07-12 | E-MTAB-7466 | biostudies-arrayexpress
Project description:Osteoarthritis (OA) is an age-related degenerative musculoskeletal disease characterised by loss of articular cartilage, synovitis, abnormal bone proliferation and subchondral bone sclerosis. Underlying OA pathogenesis is yet to be fully elucidated with no OA specific biomarkers in clinical use. Ex-vivo equine cartilage explants (n=5) were incubated in TNF-α/IL-1β supplemented culture media for 8 days, with media removed and replaced at 2, 5 and 8 days. Acetonitrile metabolite extractions of 8 day cartilage explants and media samples at all time points underwent 1D 1H nuclear magnetic resonance metabolomic analysis with media samples also undergoing mass spectrometry proteomic analysis. Within the cartilage, metabolites glucose and lysine were elevated following TNF-α/IL-1β treatment whilst adenosine, alanine, betaine, creatine, myo-inositol and uridine levels decreased. Within the culture media, four, four and six differentially abundant metabolites and 154, 138 and 72 differentially abundant proteins, with > 2 fold change, were identified for 1-2 day, 3-5 day and 6-8 day time points respectively. Nine potential novel OA neopeptides were elevated in treated media. Our novel study identified metabolites, proteins and extracellular matrix derived neopeptides which provides insightful information on OA pathogenesis, enabling potential translation for clinical markers and possible novel therapeutic targets.
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2022-12-12 | E-MTAB-12367 | biostudies-arrayexpress
Project description:Osteoarthritis (OA) is an age-related degenerative musculoskeletal disease characterised by loss of articular cartilage, synovitis, abnormal bone proliferation and subchondral bone sclerosis. The underlying pathogenesis of OA is yet to be fully elucidated with no OA specific biomarkers in clinical use. Nuclear magnetic resonance (NMR) spectroscopy and mass spectrometry (MS) allow identification of the global metabolome and proteome respectively. During this study, ex-vivo equine cartilage explants (n=5) were incubated in TNF-α/IL-1β supplemented culture media for 8 days, with media removed and replaced at 2, 5 and 8 days. Acetonitrile metabolite extractions of 8 day cartilage explants and media samples at all time points underwent 1H NMR metabolic analysis with media samples also undergoing MS proteomic analysis. Within the cartilage, metabolites glucose and lysine were elevated following TNF-α/IL-1β treatment whilst adenosine, alanine, betaine, creatine, myo-inositol and uridine levels decreased. Within the culture media, four, four and six metabolites were identified as being differentially abundant between control and treatment groups for 1-2 day, 3-5 day and 6-8 day time points respectively. Culture media proteomics identified 154, 138 and 72 proteins differentially abundant, with > 2 fold change, between control and treatment groups for 1-2 day, 3-5 day and 6-8 day time points respectively. Nine potential novel OA neopeptides were elevated in treated media. This is the first study to use a multi ‘omics’ approach to simultaneously investigate the metabolomic profile of ex-vivo cartilage and metabolomic/proteomic profiles of culture media using the TNF-α/IL-1β ex-vivo OA cartilage model. This study has identified a panel of metabolites, proteins and extracellular matrix derived neopeptides which are differentially abundant during an early phase of the OA model which may provide further information on underlying disease pathogenesis, allow potential translation for clinical markers and possible novel therapeutic targets.
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