Ionizing radiation in GI tract of Tweak KO mice
Ontology highlight
ABSTRACT:
ORGANISM(S): Mus musculus
SUBMITTER: Suzanne Szak
PROVIDER: E-GEOD-25029 | biostudies-arrayexpress |
REPOSITORIES: biostudies-arrayexpress
Similar Datasets
Project description:To test TWEAK/Fn14 pathway and relative agents in chronic TNBS colitis Chronic colitis was induced by rectal injection of TNBS with ethanol for 6 weeks in WT or FN14 KO BALB/c mice. Colons were harvested for gene profiling.
2013-06-20 | E-GEOD-36806 | biostudies-arrayexpress
Project description:To test the efficacy of TNFR-Fc and anti-TWEAK mAb treatment alone and in combination Tumor necrosis factor (TNF)-alpha is a major effector in various inflammatory conditions. TNF-like weak inducer of apoptosis (TWEAK) is a member of the TNF superfamily that promotes inflammatory tissue damage through its receptor, FGF-inducible molecule 14 (Fn14). Since both TWEAK and TNF-alpha have been shown to mediate pathological responses through inter-dependent or independent pathways by in vitro, the potential interplay of these pathways was investigated in a mouse colitis model. Acute colitis was induced by rectal injection of trinitrobenzene sulfonic acid (TNBS), with administration of control IgG, TNF receptor (TNFR)-Ig chimeric protein, anti-TWEAK monoclonal antibody, or the combination of TNFR-Ig and anti-TWEAK antibody. On day 4, disease severity was evaluated and gene expression profiling was analyzed using whole colon tissue. Levels of transcript of TWEAK, Fn14 and NF-kB-related molecules were measured in purified colon epithelial cells (ECs). NF-kB activation was investigated with Western blot and immunohistochemical analysis. As a result, activation of the canonical, but not noncanonical NF-kB pathway was the hallmark of inflammatory responses in this model. Inflammation induced upregulation of Fn14 only in ECs but not in other cell types. Combination treatment of TNFR-Ig and anti-TWEAK antibody synergistically reduced disease severity in comparison with the control antibody or single agent treatment. Gene expression profile of the colon indicated downregulation of canonical NF-kB pathway with combination treatment. In conclusion, synergistic activation of canonical NF-kB by TWEAK and TNF-alpha is critical for the induction of inflammatory tissue damage in acute inflammation. TNBS colitis was induced by intrarectal administration of a 2 % solution of TNBS in phosphate-buffered saline (PBS): ethanol (1:1). For acute inflammatory responses, 70 M-NM-<g/g body weight of TNBS was given on day 0 and animals sacrificed on day 4. One hour prior to administration of TNBS, groups of mice were injected i.p. with the control IgG2a mAb (anti-human CD20) (10 mg/kg), TNFR-Ig (0.3 mg/kg), anti-TWEAK (mP2D10, 10 mg/kg), the combination of TNFR-Fc (0.3 mg/kg) and anti-TWEAK mP2D10 (10 mg/kg), or were untreated. For single agent and combination treatments groups, 0.3 mg/kg TNFR-Ig was employed, since 1 mg/kg of TNFR-Ig markedly ameliorated TNBS colitis but 0.3 mg/kg was much less effective as monitored by the effect on colon length and body weight. Colon tissue was rolled and snap-frozen in liquid nitrogen. Specimens for RNA extraction were cut from the frozen rolled colon. A set of experiments using 5-8 mice for each experimental group was performed twice, labelled 7 and 10 in the CEL files. Total number of mice for each experimental condition was as follows; untreated TNBS colitis group, 8; control antibody, 15; TNFR-Ig, 12; anti-TWEAK mAb, 14; combination of TNFR-Ig and anti-TWEAK mAb, 15.
2014-05-30 | E-GEOD-53835 | biostudies-arrayexpress
Project description:The study aims at illustrate novel role of TWEAK/Fn14 signaling in synapse function by combining electrophysiological and phosphoproteomic approaches. The results show that TWEAK acutely dampens basal synaptic transmission and plasticity through neuronal Fn14 and impacts the phosphorylation state of pre- and post-synaptic proteins in adult mouse hippocampal slices. Two models featuring synaptic deficits were used in the study. Blocking TWEAK/Fn14 signaling augments synaptic function in hippocampal slices from amyloid beta-overexpressing mice. After stroke, genetic or pharmacological inhibition of TWEAK/Fn14 signaling augments basal synaptic transmission and normalizes plasticity. Our data support a glial/neuronal axis that critically modifies synaptic physiology and pathophysiology in different contexts in the mature brain and may be a therapeutic target for improving neurophysiological outcomes.
2021-02-02 | PXD021582 | Pride
Project description:TWEAK/Fn14 signaling may regulate the expression of genes involved in epithelial repair and mucosal inflammation. Comparing the gene signatures in WT and TWEAK KO mice will inform the biology of TWEAK/Fn14 pathway in the GI tract.
2011-07-01 | GSE25029 | GEO
Project description:Keloids represent a fibrotic disorder characterized by the excessive deposition of extracellular matrix (ECM). However, the mechanisms by which ECM deposition in keloids is regulated remain elusive. Here, we found that the expression of both TWEAK and its cognate receptor Fn14 was significantly downregulated in keloids and that TWEAK/Fn14 signaling repressed the expression of ECM-related genes in keloid fibroblasts. The IRF1 gene was essential for this repression, and the TWEAK/Fn14 downstream transcription factor P65 directly bound to the promoter of the IRF1 gene and induced its expression. Furthermore, in keloid patients, the expression of TWEAK and Fn14 was negatively correlated with that of ECM genes and positively correlated with that of IRF1. These observations indicate that relief of TWEAK/Fn14/IRF1-mediated ECM deposition repression contributes to keloid pathogenesis, and the identified mechanism and related molecules provide potential targets for keloid treatment in the future.
2023-01-28 | GSE221382 | GEO
Project description:Signaling between the cytokine TWEAK and its receptor Fn14 is critical for neural circuit development in the postnatal brain. However, the downstream mechanisms through which TWEAK and Fn14 mediate synapse development have remained unclear. Here, we apply single-nucleus RNA-sequencing to Fn14 and TWEAK KO mice to characterize the genes that are regulated by this pathway in the developing dorsal lateral geniculate nucleus of the thalamus at single-cell resolution. We identify robust cohorts of genes that are misregulated in the absence of either Fn14 or TWEAK, providing insight into the transcriptional mechanisms through which cytokine signaling between microglia and neurons regulates a key phase of postnatal brain development that is driven by sensory experience.
2024-10-25 | GSE186631 | GEO
Project description:Signaling between the cytokine TWEAK and its receptor Fn14 is critical for neural circuit development in the postnatal brain. However, the downstream mechanisms through which TWEAK and Fn14 mediate synapse development have remained unclear. Here, we apply single-nucleus RNA-sequencing to Fn14 and TWEAK KO mice to characterize the genes that are regulated by this pathway in the developing dorsal lateral geniculate nucleus of the thalamus at single-cell resolution. We identify robust cohorts of genes that are misregulated in the absence of either Fn14 or TWEAK, providing insight into the transcriptional mechanisms through which cytokine signaling between microglia and neurons regulates a key phase of postnatal brain development that is driven by sensory experience.
2024-10-25 | GSE186630 | GEO
Project description:Tumor necrosis factor-related weak inducer of apoptosis, TWEAK, is a TNF superfamily member that mediates signaling through its receptor fibroblast growth factor inducible-14, Fn14. In tumor cell lines, TWEAK induces proliferation, survival and NF-kappaB signaling and gene expression that promote tumor growth and suppress antitumor immune responses. Anti-TWEAK antibody, RG7212, inhibits tumor growth in vivo with decreases in pathway activation markers and modulation of tumor, blood and spleen immune cell composition. Candidate response prediction markers, including Fn14, have been identified in mouse models. Phase I pharmacodynamic data from patients are consistent with preclinical results. TWEAK:Fn14 signaling is upregulated in human cancer and pathway activation induces tumor proliferation and survival signaling. Blockade with anti-TWEAK mAb, RG7212, inhibits tumor growth in multiple models in mice. TWEAK induces changes that suppress anti-tumor immune responses and RG7212 blocks these effects resulting in changes in tumor immune cell composition and decreases in cytokines that promote immunosuppression. Antitumor efficacy in mice was observed in a range of Fn14 expressing models with pathway activation and expressing either wild-type or mutant p53, BRAF or KRAS suggesting both a patient selection strategy and potential broad clinical applicability. Preclinical mechanism of action hypotheses are supported by Phase I clinical data, with decreases in proliferation markers and increased tumor T cell infiltration. U2OS cells untreated or treated with 1090-TW (TWEAK) for 15 minutes, 1 hour, 4 hours, 8 hours, or 24 hours. Five replicates for each condition were performed.
2013-10-04 | E-GEOD-41828 | biostudies-arrayexpress
Project description:Tumor necrosis factor-related weak inducer of apoptosis, TWEAK, is a TNF superfamily member that mediates signaling through its receptor fibroblast growth factor inducible-14, Fn14. In tumor cell lines, TWEAK induces proliferation, survival and NF-kappaB signaling and gene expression that promote tumor growth and suppress antitumor immune responses. Anti-TWEAK antibody, RG7212, inhibits tumor growth in vivo with decreases in pathway activation markers and modulation of tumor, blood and spleen immune cell composition. Candidate response prediction markers, including Fn14, have been identified in mouse models. Phase I pharmacodynamic data from patients are consistent with preclinical results. TWEAK:Fn14 signaling is upregulated in human cancer and pathway activation induces tumor proliferation and survival signaling. Blockade with anti-TWEAK mAb, RG7212, inhibits tumor growth in multiple models in mice. TWEAK induces changes that suppress anti-tumor immune responses and RG7212 blocks these effects resulting in changes in tumor immune cell composition and decreases in cytokines that promote immunosuppression. Antitumor efficacy in mice was observed in a range of Fn14 expressing models with pathway activation and expressing either wild-type or mutant p53, BRAF or KRAS suggesting both a patient selection strategy and potential broad clinical applicability. Preclinical mechanism of action hypotheses are supported by Phase I clinical data, with decreases in proliferation markers and increased tumor T cell infiltration. Pan02 cells untreated or treated with 1090-TW (TWEAK) for 4 hours, 8 hours, or 24 hours. Four replicates for each condition were performed.
2013-10-04 | E-GEOD-42047 | biostudies-arrayexpress
Project description:Tumor necrosis factor-related weak inducer of apoptosis, TWEAK, is a TNF superfamily member that mediates signaling through its receptor fibroblast growth factor inducible-14, Fn14. In tumor cell lines, TWEAK induces proliferation, survival and NF-kappaB signaling and gene expression that promote tumor growth and suppress antitumor immune responses. Anti-TWEAK antibody, RG7212, inhibits tumor growth in vivo with decreases in pathway activation markers and modulation of tumor, blood and spleen immune cell composition. Candidate response prediction markers, including Fn14, have been identified in mouse models. Phase I pharmacodynamic data from patients are consistent with preclinical results. TWEAK:Fn14 signaling is upregulated in human cancer and pathway activation induces tumor proliferation and survival signaling. Blockade with anti-TWEAK mAb, RG7212, inhibits tumor growth in multiple models in mice. TWEAK induces changes that suppress anti-tumor immune responses and RG7212 blocks these effects resulting in changes in tumor immune cell composition and decreases in cytokines that promote immunosuppression. Antitumor efficacy in mice was observed in a range of Fn14 expressing models with pathway activation and expressing either wild-type or mutant p53, BRAF or KRAS suggesting both a patient selection strategy and potential broad clinical applicability. Preclinical mechanism of action hypotheses are supported by Phase I clinical data, with decreases in proliferation markers and increased tumor T cell infiltration. ACHN cells untreated or treated with 1090-TW (TWEAK) for 4 hours, 8 hours, or 24 hours. Four replicates for each condition were performed.
2013-10-04 | E-GEOD-42046 | biostudies-arrayexpress