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Therapeutic Interrupting C/EBPβ-Clec7a Cross-talk-mediated NLRP3 Inflammasome-dependent Pyroptosis for Relieving Neuropathic Pain

ABSTRACT: Therapeutic Interrupting C/EBPβ-Clec7a Cross-talk-mediated NLRP3 Inflammasome-dependent Pyroptosis for Relieving Neuropathic Pain

PROVIDER: PRJNA773054 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR16502300_1.fastq.gz	Fastqsanger.gz
	SRR16502300_2.fastq.gz	Fastqsanger.gz
	SRR16502293_1.fastq.gz	Fastqsanger.gz
	SRR16502293_2.fastq.gz	Fastqsanger.gz
	SRR16502294_1.fastq.gz	Fastqsanger.gz

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Therapeutic Interrupting C/EBPβ-Clec7a Cross-talk-mediated NLRP3 Inflammasome-dependent Pyroptosis for Relieving Neuropathic Pain

Project description:Neuropathic pain (NP) is a complex chronic pain due to the nervous system damage or diseases.During NP development and progression, the neuroinflammation has been observed along the pain pathways from the spinal cord to the thalamus and the parietal cortex. It may be caused by the activation of glial cells, especially microglia, with production of cytokines and other inflammatory mediators within the central nervous system (CNS), especially in spinal cord. In this study, we used high-throughput RNA-seq technology to detect the global gene expression in spinal cord of rats in sham group and CCI model group(an animal model of neuropathic pain), and the differentially expressed genes between diseases and control group were obtained.Significant differentially expressed genes (DEGs) of the Sham vs. CCI groups were identified using the criteria of a fold change>1.5 and P value <0.05. Finally, we focused on C/EBPβ-Clec7a Cross-talk-mediated NLRP3 Inflammasome-dependent Pyroptosis pathway and further studied its role in neuropathic pain.

2021-10-28 | GSE186237 | GEO

Effective control of neuropathic pain by interrupting C/EBPβ-CLEC7A cross-talk-mediated NLRP3 inflammasome-dependent pyroptosis

Project description:Effective control of neuropathic pain by interrupting C/EBPβ-CLEC7A cross-talk-mediated NLRP3 inflammasome-dependent pyroptosis

| PRJNA768441 | ENA

Effective control of neuropathic pain by interrupting C/EBPβ-CLEC7A cross-talk-mediated NLRP3 inflammasome-dependent pyroptosis

2021-10-05 | GSE185278 | GEO

Genome-wide C/EBPβ traget genes in C/EBPβ-overexpressed HL-60 cells.

Project description:To characterize genome-wide C/EBPβ traget genes in C/EBPβ-overexpressed HL-60 cells by ChIP-seq.

2018-06-13 | GSE100486 | GEO

C/EBPβ deficiency reshapes microglial gene expression

Project description:CCAAT/enhancer binding protein β (C/EBPβ) is a transcription factor that regulates the expression of important pro-inflammatory genes in microglia. Mice deficient for C/EBPβ show protection against excitotoxic and ischemic CNS damage but the involvement of the various C/EBPβ expressing cell types in this neuroprotective effect is not solved. Since C/EBPβ-deficient microglia show attenuated neurotoxicity in culture we hypothesized that specific C/EBPβ deficiency in microglia could be neuroprotective in vivo. In this study we have tested this hypothesis by generating mice with myeloid C/EBPβ deficiency. Mice with myeloid C/EBPβ deficiency were generated by crossing LysMCre and C/EBPβfl/fl mice . Primary microglial cultures from C/EBPβfl/fl (named here as WT) and LysMCre-C/EBPβfl/fl (named here as KO) mice were treated with lipopolysaccharide ± interferon γ (IFNγ) for 6 h and gene expression was analyzed by RNA sequencing. LysMCre-C/EBPβfl/fl mice showed an efficiency of C/EBPβ deletion of 100% in cultured microglia. Transcriptomic analysis of C/EBPβ-deficient primary microglia revealed C/EBPβ-dependent expression of 1068 genes, significantly enriched in inflammatory and innate immune responses GO terms. This study provides new data that support a central role for C/EBPβ in the biology of activated microglia.

2017-06-13 | GSE90046 | GEO

RNA-seq profiling of C/EBPβ-overexpressing myoblasts [differentiating myoblasts]

Project description:We previously identified C/EBPβ as an inhibitor of myogenic differentiation and its role in muscle satellite cell’s self-renewal and quiescence. C/EBPβ is regulated during the transition from proliferation to differentiation in myoblasts and that overexpression of C/EBPβ inhibits myocyte differentiation. To identify the molecular mechanism by which C/EBPβ inhibits myogenic differentiation, we performed RNA-seq on C/EBPβ-overexpressing differentiating myoblasts.

2025-06-02 | GSE152053 | GEO

RNA-seq profiling of C/EBPβ-overexpressing myoblasts [proliferating myoblasts]

Project description:We previously identified C/EBPβ as an inhibitor of myogenic differentiation and a regulator of muscle satellite cell self-renewal. We found that C/EBPβ is regulated during the transition from proliferation to growth arrest in myoblasts and overexpression of C/EBPβ in myoblasts promotes cell growth arrest in vitro and improves engraftment of satellite cells into the stem cell niche in vivo. To identify the molecular mechanism by which C/EBPβ regulates myoblast proliferation and growth arrest, we performed RNA-seq on C/EBPβ-overexpressing myoblasts.

2020-12-18 | GSE152051 | GEO

Deregulation of the endogenous C/EBPβ LIP isoform predisposes to tumorigenesis

Project description:Two long and one truncated isoforms (termed LAP*, LAP, and LIP, respectively) of the transcription factor CCAAT enhancer binding protein beta (C/EBPβ) are expressed from a single intronless Cebpb gene by alternative translation initiation. Isoform expression is sensitive to mammalian target of rapamycin (mTOR)-mediated activation of the translation initiation machinery and relayed through an upstream open reading frame (uORF) on the C/EBPβ mRNA. The truncated C/EBPβ LIP, initiated by high mTOR activity, has been implied in neoplasia, but it was never shown whether endogenous C/EBPβ LIP may function as an oncogene. In this study, we examined spontaneous tumor formation in C/EBPβ knockin mice that constitutively express only the C/EBPβ LIP isoform from its own locus. Our data show that deregulated C/EBPβ LIP predisposes to oncogenesis in many tissues. Gene expression profiling suggests that C/EBPβ LIP supports a protumorigenic microenvironment, resistance to apoptosis, and alteration of cytokine/chemokine expression. The results imply that enhanced translation reinitiation of C/ EBPβ LIP promotes tumorigenesis. Accordingly, pharmacological restriction of mTOR function might be a therapeutic option in tumorigenesis that involves enhanced expression of the truncated C/EBPβ LIP isoform.

2014-12-16 | GSE53770 | GEO

Identification of C/EBPβ Target Genes in ALK+ Anaplastic Large Cell Lymphoma (ALCL) by Gene Expression Profiling and Chromatin Immunoprecipitation

Project description:C/EBPβ (CCAAT enhancer binding protein) is a transcription factor that plays a crucial role in survival and transformation of ALK+ anaplastic large cell lymphoma (ALCL). The aim of this study was to identify the downstream targets of C/EBPβ responsible for ALK-mediated oncogenesis. C/EBPβ was knocked down in ALK+ ALCL cell lines with a C/EBPβ-shRNA, followed by gene expression profiling (GEP). GEP analysis revealed a reproducible signature of genes that were significantly regulated by C/EBPβ. Classification into biological categories revealed overrepresentation of genes involved in the immune response, apoptosis and cell proliferation. Transcriptional regulation by C/EBPβ was found in 6 of 11 (BCL2A1, G0S2, TRIB1, S100A9, DDX21 and DDIT4) genes investigated by chromatin immunoprecipitation. We demonstrated that BCL2A1, G0S2 and DDX21 play a crucial role in survival and proliferation of ALK+ ALCL cells. DDX21, a gene involved in rRNA biogenesis, was found differentially overexpressed in primary ALK+ ALCL cases. All three candidate genes were validated in primary ALCL cases by either immunohistochemistry or RT-qPCR. In conclusion, we identified and validated several key C/EBPβ-regulated genes with major impact on survival and cell growth in ALK+ ALCL, supporting the central role of C/EBPβ in ALK-mediated oncogenesis. Kijk and SUDHL1 cell lines transfected with shRNA for C/EBPbeta were compared to control cells (3 biological replicates per group) and untreated cells (1 biological replicate)

2013-07-10 | E-GEOD-23368 | biostudies-arrayexpress

Disruption of C/EBPβ-Clec7a axis exacerbates neuroinflammatory injury via NLRP3 inflammasome-mediated pyroptosis in experimental neuropathic pain.

Project description:BackgroundGrowing evidence shows that C-Type Lectin Domain Containing 7A (Clec7a) may be involved into neuroinflammatory injury of various neurological diseases. However, its roles in neuropathic pain remain unclear.MethodsA chronic constriction injury (CCI) rat model was constructed, and gene expression profilings in spinal cord tissues of CCI-insulted rats were detected by both microarray and RNA-seq studies. A series of bioinformatics analyses identified C/EBPβ-Clec7a to be a candidate axis involved into neuropathic pain. Then, its roles in mechanical allodynia, and pathological and molecular changes during CCI progression were determined by various gain-of-function and loss-of-function experiments in vivo and in vitro.ResultsSignificant upregulation of Clec7a at both mRNA and protein levels were verified in spinal cord tissues of CCI-insulted rats. Clec7a knockdown markedly attenuated CCI-induced mechanical allodynia, obstructed Syk, ERK and JNK phosphorylation, inhibited NLRP3 inflammasome and caspase-1 activation, GSDMD cleavage, and consequently reduced the release of pro-inflammatory cytokines (all P < 0.05). Mechanically, the rat Clec7a promoter was predicted to bind with transcription factor C/EBPβ, confirmed by Luciferase assay and ChIP-qPCR. Both in vivo and in vitro assays demonstrated that C/EBPβ knockdown significantly suppressed CCI- or LPS/ATP-induced Clec7a upregulation, and subsequently reduced Syk, ERK and JNK phosphorylation, NLRP3 oligomerization, caspase-1 activation, GSDMD expression and pyroptosis, which were markedly reversed by the co-transfection of Clec7a expression vector.ConclusionsThis pre-clinical investigation reveals that C/EBPβ-Clec7a axis may be a potential target for relieving neuropathic pain through alleviating neuroinflammation, paving its way for clinical translation as a promising approach for neuropathic pain therapy.

| S-EPMC9743596 | biostudies-literature

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