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Gene expression profiling after S1004A induction

ABSTRACT: We performed microarray analyses before and after induction of S100A4 using PCI-35 and PCI-43, and identified 72 and 18 genes that were two fold or more commonly upregulated or downregulated, respectively, in these two cell lines.

ORGANISM(S): Homo sapiens

PROVIDER: GSE39493 | GEO | 2012/12/31

SECONDARY ACCESSION(S): PRJNA171059

REPOSITORIES: GEO

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Gene expression profiling after S1004A induction

Project description:We performed microarray analyses before and after induction of S100A4 using PCI-35 and PCI-43, and identified 72 and 18 genes that were two fold or more commonly upregulated or downregulated, respectively, in these two cell lines. Using two cell lines, PCI-35 and PCI-43, transfected with S1004A expression construct, we studied mRNA transcription levels by microarray analysis to see if there are any of the key molecules for malignant phenotype.

2012-12-31 | E-GEOD-39493 | biostudies-arrayexpress

Macrophagic S100A4 drives macrophage protumor activation and promotes tumor growth through controlling PPAR-γ induction

Project description:The lipid-metabolism up-regulation-mediated M2 polarization provides tumor-associated macrophages (TAMs) with protumor phenotypes during tumor development and progression. However, how TAMs reprogram their lipid-metabolism responding to M2 activators remains unclear. Here, we report that S100A4 is a determinant of macrophage M2 polarization. We find that the growth of carcinoma grafts was impaired in myeloid S100A4-deficient mice. Coincidentally, ablating S100A4 in macrophages reduced their capability of macrophage into utilization utilize of exogenous fatty acids as their major energy source for oxidation. Mechanistic analysis demonstrates that the induction of PPAR-γ responding to Th2 cytokine, IL-4, was halted in s100a4-deleted TAMs, as well as in bone marrow-derived macrophages, and as well as in Raw264.7 cells. Further molecular analyses reveal that CD36, downstream from S100A4-PPARγ, is the major effector for lipid uptake of S100A4+ macrophages. FurthermoreImportantly, higher levels of S100A4 is closely associated with tumor resistance to chemotherapy in murine models as well as poor prognosis of cancer patients in clinic . Our study thus suggests that blocking S100A4 constitutes a treatment strategy to reprogram macrophages toward an antitumor state by inhibiting PPAR-γ-induction mediated gene up-regulation.

2021-06-30 | GSE161060 | GEO

Differentially expressed genes (DEGs) analysis in control and hsa_circ_0004287 knockdown THP1-derived macrophages

Project description:To explore the detailed mechanism by which hsa_circ_0004287 inhibits M1 macrophage activation, we performed RNA-seq in control and hsa_circ_0004287 knockdown THP1-derived macrophages, and identified 43 upregulated and 35 downregulated genes with the criterion of |FC|≥2 and p≤0.05.

2022-06-01 | GSE168696 | GEO

Percutaneous Collagen Induction (PCI) in rat

Project description:The purpose of the present study is to determine the effect of Percutaneous Collagen Induction (PCI) on the epidermis and dermis, including the systemic inflammatory response on gene expression level using microarray analysis. PCI Therapy is an alternative for safely treating wrinkles and scars and smoothening the skin. Therefore animal experiments were performed using 31 male Sprague-Dawley rats (350–375 g), age 4 month, randomly assigned into three groups: group (A) (n=24: needling plus skin care), group (B) (n=6: skincare only, controls after 24 h) and group (C) (n=1: negative control). Rats were anesthetized, shaved, and received a 30% total body surface area (TBSA) scald needling (10min) to induce percutaneous collagen, using a medical needling instrument (Environ® Medical Roll-CITTM, Vivida SA cc, Cape Town, South Africa). After needling surgery, the rats were immediately prepared with high levels of vitamin A cream and vitamin C cream, applied topically after cleaning once per day. The control group (C) rats received no injury, no skin care, no treatment, no anesthesia, and no analgesia. Gene expression analyses were performed 1 h, 24 h, 2, 4, and 8 weeks after PCI surgery. To confirm RNA expression in rat skin, self developed microarrays including genes like cytokines, such as vascular endothelial growth factor (VEGF), fibroblast growth factor (FGF 2), keratinocyte growth factor (KGF), epidermal growth factor (EGF), and transforming growth factors (TGF ß1, ß2, ß3) were used.

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Dysfunction of S100A4+ effector memory CD8+ T cells aggravates asthma

Project description:Progressive loss of effector functions, especially IFN-γ secreting capability, in effector memory CD8+ T (CD8+ TEM) cells plays a causal role in asthma worsening. However, the mechanisms of CD8+ TEM cell dysfunction remain elusive. Here, we report that S100A4 drives CD8+ TEM cell dysfunction, impairing their protective memory response and promoting asthma worsening in OVA-induced asthma model. We find that allergic CD8+ TEM cells contain two subsets based on S100A4 expression. S100A4+ subsets exhibit dysfunctional effector phenotypes with increased proliferative capability, whereas S100A4- subsets retain effector function but are more inclined to apoptosis, giving rise a dysfunctional CD8+ TEM cell pool. Mechanistically, S100A4 upregulation of mitochondrial metabolism results in a decrease of acetyl-CoA levels, which impair the transcription of effector genes, especially ifn-γ, facilitating cell survival, tolerance and memory potential. Our findings thus reveal general insights into how S100A4 reprograms CD8+ TEM cells into dysfunctional and less protective phenotypes to promote asthma worsening.

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S100A4+ Stromal Cells from Normal Lung vs. Metastatic Lung

Project description:Analysis of S100A4+ stromal cells at the gene expression level in physiological setting versus metastatic setting. Total RNA was isolated from FACS-sorted S100A4+ stromal cells from normal lung of S100A4-GFP transgenic mice compared to FACS-sorted S100A4+ stromal cells from metastatic lung of 4T1 tumor-bearing S100A4-GFP transgenic mice.

2011-08-29 | E-GEOD-31711 | biostudies-arrayexpress

Long non-coding RNAs associated with mitogen-activated protein kinase in pancreatic cancer cells.

Project description:To investigate the long non-coding RNAs associated with mitogen-activated protein kinase in human pancreatic cancer, we isolated total RNA from three pancreatic cancer cell lines (MIAPaCa-2, AsPC-1, PCI-35) with or without 24h treatment of MAP2K inhibitor (U0126). Total transcriptome sequencing analysis was performed in total 6 samples, and then we listed lncRNAs from the raw data.

2023-01-01 | GSE216710 | GEO

Comparative analysis of excretory–secretory products of muscle larvae of three isolates of Trichinella pseudospiralis by the iTRAQ method

Project description:we compared the differentially expressed proteins of excretory-secretory (ES) products in three isolates of T. pseudospiralis ML [muscle larvae from Russia (RUS), United States of America (USA) and Australia (AUS)] using isobaric tags for relative and absolute quantification (iTRAQ)-based technology.A total of 2,591 nonredundant proteins were identified, of which 65 (146), 72 (98) and 43 (103) significantly upregulated (downregulated) differentially expressed proteins were detected among pairwise comparisons (T4RUS vs T4USA, T4AUS vs T4USA and T4RUS vs T4AUS). In addition, GO annotation, KEGG and STRING analyses were carried out on the screened differentially altered proteins.

2020-05-07 | PXD017604 | Pride

Comparison of gene expression profiles between S100A4-positive and -negative cells isolated from the Peyer's patches

Project description:To identify gene products expressed in S100A4-producing cells in Peyer's patches, we used transgenic mice expressing enhanced green fluorescent protein (EGFP) under the control of the mouse S100A4 promoter (S100A4-GFP mice) and analyzed gene expression profiles using microarray. As a result, we found that S100A4-producing cells expressed many genes characteristic of LysoMac/DCs and ILC3s.

2019-10-22 | GSE127686 | GEO

Large scale analysis of leaf gene expression upon treatment of apple grafted scions with acibenzolar-S-methyl or water at 20 or 35°C

Project description:Investigation of whole genome gene expression level changes in the youngest expanded leaves of GDDH13 grafted scions either sprayed with reverse osmosis water or acibenzolar-S-methyl (ASM) either exposed to control temperature (21°C/day ; 18°C/night) or three successive heat days (35°C for 4 h during the day ; 18°C/night). The morning of the third heat day, treatment was performed by spraying to runoff (with a pressurized hand sprayer) with the commercial product Bion 50 WG (Syngenta, Basel, Switzerland; 50% of ASM) prepared in reverse osmosis water at a final concentration of 0.4 g/L. All plants were then returned to control thermal conditions (21°C/day ; 18°C/night) for 2 days. The youngest developped leaf of each plant was sampled 72 hours after the treatment.

2024-10-31 | GSE280234 | GEO

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