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Therapeutic Delivery of CCL2 Modulates Immune Response and Restores Host-microbe Homeostasis

ABSTRACT: Therapeutic Delivery of CCL2 Modulates Immune Response and Restores Host-microbe Homeostasis

PROVIDER: PRJNA1147710 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR30224842.fastq.gz	Fastqsanger.gz
	SRR30224843.fastq.gz	Fastqsanger.gz
	SRR30224844.fastq.gz	Fastqsanger.gz
	SRR30224845.fastq.gz	Fastqsanger.gz
	SRR30224846.fastq.gz	Fastqsanger.gz

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Similar Datasets

Therapeutic Delivery of CCL2 Modulates Immune Response and Restores Host-microbe Homeostasis

Project description:The oral cavity is an easily accessible environment that allows for protective interventions aiming at modulating the immune response to control disease processes driven by a breakdown of host- microbe homeostasis. Periodontal disease (PD) is a prevalent condition in which quantitative and qualitative changes of the oral microbiota (dysbiosis) trigger non-resolving chronic inflammation, progressive bone loss and ultimately tooth loss. Here, we demonstrate the therapeutic benefit of local sustained delivery of the myeloid-recruiting chemokine CCL2 in murine ligature-induced PD using clinically relevant models as a preventive, interventional or reparative therapy. Local delivery of CCL2 into the periodontium inhibited bone loss and accelerated bone gain that could be ascribed to reduced osteoclasts numbers. CCL2 treatment upregulated M2-macrophage and downregulated pro-inflammatory and pro-osteoclastic markers. Furthermore, single cell RNA sequencing indicated that CCL2 therapy reversed disease-associated transcriptomic profiles of murine gingival macrophages via inhibiting TREM-1 signaling in classically activated macrophages and inducing PKA signaling in infiltrating macrophages. Finally, 16S rRNA sequencing showed mitigation of microbial dysbiosis in the periodontium that correlated with a reduction in microbial load in CCL2- treated mice. This study reveals a novel protective effect of CCL2 local delivery in PD as a model for chronic inflammatory diseases caused by a disturbance in host-microbe homeostasis.

2024-08-14 | GSE274721 | GEO

Project description:Therapeutic Delivery of CCL2 Modulates Immune Response and Restores Host-microbe Homeostasis

| PRJNA1139767 | ENA

Mononuclear phagocytes in muscle after notexin injury in C57Bl/6, Cx3cr1-/-, Ccl2-/-,Cx3cr1-/-Ccl2-/- mice

Project description:Muscle injury triggers inflammation in which infiltrating mononuclear phagocytes are crucial for tissue regeneration. The interaction of the CCL2/CCR2 and CX3CL1/CX3CR1 chemokine axis that guides phagocyte infiltration is incompletely understood. Here, we show that CX3CR1 deficiency promotes muscle repair and rescues Ccl2-/- mice from impaired muscle regeneration as a result of altered macrophage function, not infiltration. Transcriptomic analysis of muscle mononuclear phagocytes reveals that Apolipoprotein E (ApoE) is up-regulated in mice with efficient regeneration. ApoE treatment enhances phagocytosis by mononuclear phagocytes in vitro, and restores phagocytic activity and muscle regeneration in Ccl2-/- mice. Because CX3CR1 deficiency may compensate for defective CCL2-dependant monocyte recruitment by modulating ApoE-dependent macrophage phagocytic activity, targeting CX3CR1 expressed by macrophages might be a powerful therapeutic approach to improve muscle regeneration.

2015-09-29 | GSE73473 | GEO

Low-dose decitabine modulates T cell homeostasis and restores immune tolerance in immune thrombocytopenia

Project description:Low-dose decitabine modulates T cell homeostasis and restores immune tolerance in immune thrombocytopenia

| PRJNA647271 | ENA

TTP protects against acute liver failure by regulating CCL2 and CCL5 through m6A RNA methylation

Project description:Tristetraprolin (TTP), an important immunosuppressive protein regulating mRNA decay through recognizing the AU-rich elements (AREs) within the 3’UTRs of mRNAs, participates in the pathogenesis of liver diseases. However, whether TTP regulates mRNA stability through other mechanisms remains poorly understood. Here, we report that TTP is upregulated in acute liver failure (ALF), resulting in decreased mRNA stabilities of C-C Motif Chemokine Ligand 2 (CCL2) and C-C Motif Chemokine Ligand 5 (CCL5) through promoting N6-methyladenosine (m6A) mRNA methylation. Overexpression of TTP can markedly ameliorate hepatic injury in vivo. TTP regulates the mRNA stabilization of CCL2 and CCL5. Interestingly, increased m6A methylation in CCL2 and CCL5 mRNAs promotes TTP-mediated RNA destabilization. Moreover, induction of TTP upregulates expression levels of WT1 associated protein (WTAP), Methyltransferase like 14 (METTL14), and YTH N6-methyladenosine RNA binding protein 2 (YTHDF2), which encode enzymes regulating m6A methylation, resulting in a global increase of m6A methylation and amelioration of live injury due to enhanced degradation of CCL2 and CCL5. These findings suggest a novel mechanism by which TTP modulates mRNA stabilities of CCL2 and CCL5 through m6A RNA methylation, which is involved in the pathogenesis of ALF.

2021-11-08 | GSE157581 | GEO

Microneedle-mediated Delivery of Immunomodulators Restores Immune Privilege in Hair Follicles and Reverses Immune-Mediated Alopecia

Project description:Microneedle-mediated Delivery of Immunomodulators Restores Immune Privilege in Hair Follicles and Reverses Immune-Mediated Alopecia

| PRJNA1110999 | ENA

Noncanonical pathway for regulation of CCL2 expression by an mTORC1-FOXK1 axis promotes recruitment of tumor-associated macrophages

Project description:C-C chemokine ligand 2 (CCL2) plays pivotal roles in tumor formation, progression, and metastasis. Although CCL2 expression has been found to be dependent on the nuclear factor (NF)–κB signaling pathway, the regulation of CCL2 production in tumor cells has remained unclear. Mammalian target of rapamycin complex 1 (mTORC1) is a protein kinase that is activated in various tumor cell types. We have now identified a noncanonical pathway for regulation of CCL2 production that is mediated by mTORC1 but independent of NF-κB. Multiple phosphoproteomics approaches identified the transcription factor forkhead box K1 (FOXK1) as a downstream target of mTORC1, with dephosphorylation of FOXK1 in response to mTORC1 activation resulting in transactivation of the CCL2 gene. Inhibition of the mTORC1-FOXK1 axis attenuated insulin-induced CCL2 production as well as the accumulation of tumor-associated monocytes-macrophages and tumor progression in mice. Our results suggest that FOXK1 directly links mTORC1 signaling and CCL2 expression in a manner independent of NF-κB, and that CCL2 produced by this pathway contributes to tumor progression. Specific inhibition of FOXK1 may thus be a potential therapeutic strategy for cancer.

2017-11-30 | PXD007996 | Pride

IL13 and CCL2 Drive Disease in an Inflammatory Subset of Scleroderma

Project description:This SuperSeries is composed of the following subset Series: GSE17914: IL13 and CCL2 Drive Disease in an Inflammatory Subset of Scleroderma [cGVHD] GSE24403: IL13 and CCL2 drive disease in an inflammatory subset of Scleroderma [IL13] GSE24409: IL13 and CCL2 drive disease in an inflammatory subset of Scleroderma [IL4] Refer to individual Series

2011-06-30 | E-GEOD-24410 | biostudies-arrayexpress

Adipose Tissue MicroRNAs as Regulators of CCL2 Production in Human Obesity

Project description:This SuperSeries is composed of the following subset Series: GSE25401: Adipose Tissue MicroRNAs as Regulators of CCL2 Production in Human Obesity [gene expression] GSE25470: Adipose Tissue MicroRNAs as Regulators of CCL2 Production in Human Obesity [miRNA data] GSE25910: Adipose Tissue MicroRNAs as Regulators of CCL2 Production in Human Obesity [differentiation data] Refer to individual Series

2012-08-12 | E-GEOD-25402 | biostudies-arrayexpress

NIS-lncRNA promotes neuropathic pain by increasing Ccl2 expression

Project description:Maladaptive changes of nerve injury–associated genes in dorsal root ganglia (DRGs) are critical for neuropathic pain genesis. Emerging evidence supports the role of long noncoding RNAs (lncRNAs) in regulating gene transcription. Here we identified a conserved lncRNA, named nerve injury–specific lncRNA (NIS-lncRNA) for its upregulation in injured DRGs exclusively in response to nerve injury. This upregulation was triggered by nerve injury–induced increase in DRG ELF1, a transcription factor that bound to the NIS-lncRNA promoter. Blocking this upregulation attenuated nerve injury–induced CCL2 increase in injured DRGs and nociceptive hypersensitivity during the development and maintenance periods of neuropathic pain. Mimicking NIS-lncRNA upregulation elevated CCL2 expression, increased CCL2-mediated excitability in DRG neurons, and produced neuropathic pain symptoms. Mechanistically, NIS-lncRNA recruited more binding of the RNA-interacting protein FUS to the Ccl2 promoter and augmented Ccl2 transcription in injured DRGs. Thus, NIS-lncRNA participates in neuropathic pain likely by promoting FUS-triggered DRG Ccl2 expression and may be a potential target in neuropathic pain management.

2022-06-15 | GSE206043 | GEO

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