The effect of IL-17 signaling inhibition on radiation dermatitis (RD) using a mouse model
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ABSTRACT:
PROVIDER: PRJNA1092078 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR28464162_1.fastq.gz | Fastqsanger.gz | |||
| SRR28464162_2.fastq.gz | Fastqsanger.gz | |||
| SRR28464163_1.fastq.gz | Fastqsanger.gz | |||
| SRR28464163_2.fastq.gz | Fastqsanger.gz | |||
| SRR28464164_1.fastq.gz | Fastqsanger.gz |
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Project description:It has been previously shown that there is involvement of IL-17 signaling in the development of severe radiation dermatitis from RNA-sequenicng of human RD skin samples. In this project, we tested the hypothesis using a mouse model of RD previously developed by Liao et al. (PMID: 28406748)
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Project description:Radiation dermatitis is a side effect in cancer radiotherapy, where ionizing radiation is delivered to eradicate cancer. Normal tissue such as the skin is also damaged by this treatment. We report here the gene expression change in a rat footpad model of this disease.
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Project description:IL-1beta activates IL-17 via calcium
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Project description:IL-17 mediates immune protection from fungi and bacteria as well as it promotes autoimmune pathologies. However, the regulation of the signal transduction from the IL-17 receptor (IL-17R) remained elusive. We developed a novel mass spectrometry-based approach to identify components of the IL-17R complex followed by analysis of their roles using reverse genetics. Besides the identification of LUBAC as an important signal transducing component of IL-17R, we established that IL-17 signaling is regulated by a robust negative feedback loop mediated by TBK1 and IKKε. These kinases terminate IL-17 signaling by phosphorylating the adaptor ACT1 leading to the release of the essential ubiquitin ligase TRAF6 from the complex. NEMO recruits both kinases to the IL-17R complex, documenting that NEMO has an unprecedented negative function in IL-17 signaling, distinct from its role in NF-κB activation. Our study provides a comprehensive view of the molecular events of the IL-17 signal transduction and its regulation.
2020-07-15 | PXD019020 | Pride
Project description:Atopic dermatitis and psoriasis are driven by alternate type 2 and type 17 immune responses, but some proteins might be critical to both diseases. We show that a deficiency of the TNF superfamily molecule TWEAK (TNFSF12) in mice results in defective maintenance of atopic dermatitis-specific Th2 and psoriasis-specific Th17 cells in the skin, and impaired expression of disease-characteristic chemokines and cytokines, such as CCL17 and TSLP in atopic dermatitis, and CCL20 and IL-19 in psoriasis. The TWEAK receptor, Fn14, is upregulated in keratinocytes and dermal fibroblasts, and TWEAK induces these cytokines and chemokines alone and in synergy with the signature T helper cytokines of either disease, IL-13 and IL-17. Furthermore, subcutaneous injection of recombinant TWEAK into naïve mice induces cutaneous inflammation with histological and molecular signs of both diseases. TWEAK is therefore a critical contributor to skin inflammation and a possible therapeutic target in atopic dermatitis and psoriasis.
2017-05-01 | GSE96957 | GEO
Project description:Il-17 p53 Developmental Series
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Project description:Interleukin-17A (IL-17A) is a key mediator of protective immunity to yeast and bacterial infections but also drives the pathogenesis of several autoimmune diseases, such as psoriasis or psoriatic arthritis. Here, we show that the tetra-transmembrane protein CMTM4 is a subunit of the IL-17 receptor (IL-17R). CMTM4 constitutively associated with IL-17R subunit C (IL-17RC) to mediate its stability, posttranslational modification, and plasma membrane localization. Both mouse and human cell lines deficient in CMTM4 were largely unresponsive to IL-17A, due to their inability to assemble the IL-17 receptor signaling complex. Accordingly, CMTM4-deficient mice were largely resistant to experimental psoriasis. Collectively, our data identified CMTM4 as an essential component of the IL-17 receptor and a potential therapeutic target for treating IL-17-mediated autoimmune diseases.
2022-12-02 | PXD036366 | Pride
Project description:The conventional notion of “immune privilege” of the brain has been revised to accommodate its infiltration, at steady state, by immune cells that participate in normal neurophysiology (Louveau, Trends Immunol 2015; Kipnis science 2016; Filiano, Nat Rev Neurosciences 2017). Surprisingly, such neuroimmune functions have been linked to “pro-inflammatory” cytokines like IL-4 or IFN-α, shown to control behavioural and social cognition (Derecki, JEM 2010; Filiano, Nature 2016). Here we identify a pro-cognitive role for IL-17 in short-term memory that derives from a previously unknown meningeal-resident γδ T cell subset. This was mostly composed of foetal thymic-derived Vγ6+ T cells, found in the meninges at birth and persisting throughout life, where they were strikingly polarized towards IL-17 production. In fact, γδ T cells were the overwhelming source of meningeal IL-17, whereas IFN-γ was mostly provided by T cells. To assess whether the constitutive production of IL-17 by γδ T cells influenced the cognitive performance of mice, we tested TCRδ-/-, IL-17-/- and respective WT littermate control mice in classical learning paradigms. We observed that mice deficient either for γδ T cells or IL-17 displayed impaired short-term memory in the Y maze paradigm, while retaining normal long-term spatial memory in the Morris water maze. A detailed proteomics analysis of the hippocampus provided mechanistic insight into reduced plasticity of the glutamatergic synapses in the absence of IL-17, which associated with impaired Long Term Potentiation (LTP). Conversely, IL-17 enhanced glial cell production of Brain Derived Neurotropic Factor (BDNF), whose exogenous provision rescued the LTP defect of IL-17-/- animals. Altogether, our data demonstrate that foetal-derived γδ T cells populate the brain meninges where they regulate synaptic plasticity and short-term memory through a non-inflammatory IL-17-dependent mechanism.
2019-10-16 | PXD007574 | Pride
Project description:Cytokines such as TNF-alpha and IL-1beta are known for their contribution to inflammatory processes in liver . In contrast, the cytokine IL-17 has not yet been assigned a role in liver diseases. IL-17 can cooperate with TNF-alpha to induce a synergistic response on several target genes in different cell lines, but no data exist for primary hepatocytes. To enhance our knowledge on the impact of IL-17 alone and combined with TNF-alpha in primary murine hepatocytes a comprehensive microarray study was designed. IL-1beta was included as this cytokine is suggested to act in a similar manner as the combination of TNF-alpha and IL-17, especially with respect to its role in mRNA stabilization. Results: The present microarray analysis demonstrates that primary murine hepatocytes responded to IL-17 stimulation by upregulation of chemokines and genes, which are functionally responsible to increase and sustain inflammation. Cxcl2, Nfkbiz and Zc3h12a were strongly induced, whereas the majority of the genes were only very moderately upregulated. Promoter analysis revealed involvement of NF-kappaB in the activation of many genes. Combined stimulation of TNF-alpha/IL-17 resulted in enhanced induction of gene expression, but significantly synergistic effects could be applied only to a few genes, such as Nfkbiz, Cxcl2, Zc3h12 and Steap4. Comparison of the gene expression profile obtained after stimulation of TNF-alpha/IL-17 versus IL-1 proposed a IL-1beta-like effect of the latter cytokine combination. Moreover, evidence was provided that modulation of mRNA stability may be a major mechanism by which IL-17 regulates gene expression in primary hepatocytes. This assumption was exemplarily proven for Nfkbiz mRNA for the first time in hepatocytes. Our studies also suggest that RNA stability can partially be correlated to the existence of AU rich elements, but further mechanisms like the RNase-activity of the upregulated Zc3h12a have to be considered. Conclusions: Our microarray analysis gives new insights in IL-17 induced gene expression in primary hepatocytes highlighting the crosstalk with the NF-kappaB signalling pathway. Gene expression profile suggests IL-17 a role in sustaining liver inflammatory processes most likely by RNA stabilization. Altogether, our results provide evidence that IL-17 alone and in concert with TNF-alpha may play a role in inflammatory liver diseases. Primary murine hepatocytes of three animals stimulated for 1 or 4h by TNF-alpha, IL-1beta, IL-17 or TNF-alpha followed by IL-17 were used for microarray analysis.
2010-03-07 | E-GEOD-19272 | biostudies-arrayexpress
Project description:NFATc1 drives allergic contact dermatitis reponses by controlling the induction of IL-17-producing CD8 cells
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