IMR90 lung fibroblasts treated with IL-4 or IL-13
Ontology highlight
ABSTRACT:
ORGANISM(S): Homo sapiens
SUBMITTER: Alex Abbas
PROVIDER: E-GEOD-47542 | biostudies-arrayexpress |
REPOSITORIES: biostudies-arrayexpress
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Project description:IL-4 and IL-13 are cytokines involved in type 2 immune responses involved in atopic asthma and other diseases. They have a partially overlapping set of cognate receptors whose roles are incompletely understood. Here we explore the effects of these cytokines on various cells related to human lung disease in order to assess the global similarities and contrasts in the genes whose expression their ligation modulates. Monocytes, monocyte-differentiated (6 days, then 24h rest) macrophages, or normal primary lung fibroblasts were cultured on matrigel and treated for 6 or 24 hours with IL-4 (10 ng/ml), IL-13 (10ng/ml), IL-10 (20 ng/ml), TGFb (10 ng/ml), or dexamethasone (0.5 uM) before harvest.
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Project description:IL-4 and IL-13 are cytokines involved in type 2 immune responses involved in atopic asthma and other diseases. They have a partially overlapping set of cognate receptors whose roles are incompletely understood. Here we explore the effects of blocking one or both subunits of the IL-13 alpha receptor on the action of these cytokines on IMR-90 lung fibroblast cells. IMR-90 lung fibroblast cells were cultured on matrigel and treated with various combinations of IL-4 (10 ng/ml), IL-13 (10ng/ml), 228 B/C (which blocks signaling from IL13RA1), and 11H4 (which blocks signaling from IL13RA1 and IL13RA2).
2013-12-31 | E-GEOD-47527 | biostudies-arrayexpress
Project description:ILC2 cells are a newly described cell type whose biology and contribution to disease are poorly understood. ILC2 cells are activated by allergens, viral infection, and/or epithelial damage via IL-33 and IL-25. ILC2 cells require IL-2, IL-7, IL-25 and IL-33 for their survival and expansion. In mice, ILC2s produce multiple mediators primarily associated with type 2 inflammation (IL-13, IL-5, IL-4, IL-6, IL-9, IL-10, GM-CSF, amphiregulin). ILC2 cells may contribute to the pathology of asthma through multiple mediators that include IL-13-independent pathways. Our goal is to compare transcriptional profiles of IL-33- or IL-25-activated ILC2 cells from blood to characterize these cells and to identify marker(s) that can be utilized to detect them in human tissue. ILC2 cells (Lineage negative, CRTH2+, CD161+, CD127+) were purified from human blood of 5 different donors by flow cytometry. The ILC2 yield ranged from 20,000 to 165,000 cells per donor (0.001-0.008% WBC). Purified ILC2s were expanded in vitro in the presence of IL-2, IL-7, IL-33 and IL-25 (each at 50 ng/ml) for 7-10 days. Expanded cells maintained the ILC2 phenotype (Lineage negative, CRTH2+, CD161+, CD127+). The cells were rested for 2 days in the presence of 1 ng/ml IL-2 and IL-7 and then treated in the presence of 1 ng/ml IL-2 and IL-7 with either media control, IL-25 (50 ng/ml), IL-33 (50 ng/ml), and/or TSLP (50 ng/ml) in combination, for 6 or 24 hours. Whole RNA was isolated via the RNeasy kit (Qiagen). Stratagene Universal Human Reference RNA was used as the reference.
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Project description:The intestinal epithelium is our first line of defense against infections of the gut and the plasticity in cellular differentiation of the intestinal epithelium is an important part of this response. The changes in cellular composition is driven by immune cell derived cytokines. Here we use signature cytokines of different type of immune responses applied to small intestinal organoids to model how different immune responses affect intestinal epithelial development. Simplified, IL-13 represents type II immunity against infections such as parasites and IL-22 represents type III immunity against infections such as extracellular bacterial infections. 10 ng/mL of IL-13 and IL-22 was added for 72 hours after splitting. Furthermore, we have found BMP signaling to be important in regulating the cellular differentiation induced by IL-13. We therefore added added a combination treatment with the activin receptor-like kinase 2 (ALK-2) signaling inhibitor Dorsomorphin homolog 1 (DMH1) in concentration of 5 uM. We find that ALK-2 signaling is crucial for IL-13 driven Tuft cell differentiation.
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Project description:Analysis of cultured epidermal keratinocytes treated with interleukin-4 (IL-4) and interleukin-13 (IL-13). IL-4 and IL-13 are up-regulated in atopic dermatitis. Results provide insight into the role of IL-4 and IL-13 cytokines in the pathogenesis of atopic dermatitis. Analysis of epidermal keratinocytes transfected with dual oxidase 1 (DUOX1) siRNA knockdown before treatment with IL-4 and IL-13. DUOX1 is one of the NOX family members of NADPH oxidases whose primary function is ROS generation. Results provide insight into the role of the incraesed expression of DUOX1 in IL-4/IL-13-treated NHEK for IL4/IL13 signaling. IL-4 and IL-13 induced gene expression in human epidermal keratinocytes (NHEK) was measured at 48 hours. Gene expression in NHEK tranfected with 10 nM DUOX1 siRNA followed by treatment with 100 ng/ml IL-4 and 100 ng/ml IL-13 was measured at 48 hours. Three independent experiments were performed using different strains for each experiment.
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Project description:In psoriasis lesions, a diverse mixture of cytokines is upregulated which influence each other generating a complex inflammatory situation. Although this is the case, the inhibition of Interleukin-17A (IL-17A) alone showed unprecedented clinical results in patients, indicating that IL-17A is a critical inducer of psoriasis pathogenesis. To elucidate IL-17A-driven keratinocyte-intrinsic signaling pathways, we treated monolayers of normal human epidermal keratinocytes in vitro with a mixture of 6 cytokines (IL-17A, TNF-a, IL-17C, IL-22, IL-36g and IFN-g) involved in psoriasis, to mimic the inflammatory milieu in psoriasis lesions. Microarray and gene set enrichment analysis revealed that this cytokine mixture induced similar gene expression changes with the previous transcriptome studies using psoriasis lesions. Importantly, we identified a set of IL-17A-regulated genes in keratinocytes, which recapitulate typical psoriasis genes exemplified by DEFB4A, S100A7, IL19 and CSF3, based on differences in the expression profiles of cells stimulated with 6 cytokines versus cells stimulated with only 5 cytokines lacking IL-17A. Furthermore a specific IL-17A-induced gene, NFKBIZ, which encodes IkappaB-zeta, a transcriptional regulator for NF-kappaB, was demonstrated to have a significant role for IL-17A-induced gene expression. Thus, we present novel in vitro data from normal human keratinocytes that would help elucidating the IL-17A-driven keratinocyte activation in psoriasis. Cytokine mixture-induced gene expression in primary normal human epidermal keratinocytes (NHEKs) was measured at 24 hours after exposure. NHEKs were exposed to the combination of selected six cytokines (IL-17A: 100 ng/ml, TNF-a: 10 ng/ml, IFN-g: 10 ng/ml, IL-17C: 100 ng/ml, IL-22: 100 ng/ml, IL-36g: 500 ng/ml) , or to the different combinations of five of the six cytokines (in total, 7 different treatments and one untreated control). No replicate experiments were conducted.
2016-03-08 | E-GEOD-77719 | biostudies-arrayexpress
Project description:Global kinase activity induced by cytokines IL-32g and IL-17A/F were determined using peptide arrays representing phophorylation targets The objective of this study was to identify common and unique phosphorylation targets of pro-inflammatory cytokines IL-32 and IL-17. These cytokines are associated with the pathogenesis and severity of chronic inflammatory disorders, therefore signaling intermediates of these cytokines could be beneficial as alternate theraputic targets that may likely influence different inflammatory pathways. Phosphorylation of proteins is a critical mechanism in the regulation of cellular processes. This process is meticulously regulated by enzymes known as kinases, which are increasingly being identified as drug targets for a variety of diseases. In this study we interrogated kinase activities (kinome) induced in the presence of the human recombinant cytokines IL-32g and IL-17A/F employing peptide arrays representing 300 peptides, printed in triplicate, representing select phosphorylation events. Human macrophage-like THP-1 cells were used for this comparative kinome analysis. Macrophage-like THP-1 cells were stimulated with either IL-32g (20 ng/ml) or IL-17A/F (20 ng/ml) for 15 min, and the peptide arrays were used to comprehensively analyze protein phosphorylation profiles in the presence of these cytokines. Two independet biological experiments were performed and the kinoem analysis was done in triplicates for each. The phosphorylations of the peptides on the array were quantified in the cytokine-treated cells relative to the un-stimulated control cells. Differentially phosphorylated targets were defined as greater than 1.5 fold increase or decrease (p < 0.06) in phosphorylation compared to un-stimulated control cells.
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