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Activation of proprotein convertase in the mouse habenula causes depressive-like behaviors through remodeling of extracellular matrix

ABSTRACT: Activation of proprotein convertase in the mouse habenula causes depressive-like behaviors through remodeling of extracellular matrix

PROVIDER: PRJNA659667 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12532373.fastq.gz	Fastqsanger.gz
	SRR12532374.fastq.gz	Fastqsanger.gz
	SRR12532375.fastq.gz	Fastqsanger.gz
	SRR12532376.fastq.gz	Fastqsanger.gz
	SRR12532377.fastq.gz	Fastqsanger.gz

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Similar Datasets

Activation of proprotein convertase in the mouse habenula causes depressive-like behaviors through remodeling of extracellular matrix

Project description:We performed RNA-seq in lateral habenula of mice with susceptibility to chronic social defeat stress.

2020-08-28 | GSE156965 | GEO

Activation of proprotein convertase in the mouse habenula causes depressive-like behaviors through remodeling of extracellular matrix.

Project description:The lateral habenula (LHb) attracts a growing interest as a regulator of monoaminergic activity which were frequently reported to be defective in depression. Here we found that chronic social defeat stress (CSDS) increased production of pro-inflammatory cytokines in LHb associated with mobilization of monocytes and remodeling of extracellular matrix by increased matrix metalloproteinase (MMP) activity. RNA-seq analysis identified proprotein convertase Pcsk5 as an upstream regulator of MMP activation, with upregulation in LHb neurons of mice with susceptibility to CSDS. PCSK5 facilitated motility of microglia in vitro by converting inactive pro-MMP14 and pro-MMP2 to their active forms, highlighting its role in mobilization of microglia and monocytes in neuroinflammation. Suppression of Pcsk5 expression via small interfering RNA (siRNA) ameliorated depressive-like behaviors and pathological mobilization of monocytes in mice with susceptibility to CSDS. PCSK5-MMPs signaling pathway could be a target for development of the antidepressants targeting the inflammatory response in specific brain regions implicated in depression.

| S-EPMC7852607 | biostudies-literature

Myeloid Cell Expressed Proprotein Convertase FURIN Attenuates Inflammation

Project description:The proprotein convertase enzyme FURIN processes immature pro-proteins into functional end- products. FURIN is upregulated in activated immune cells and it regulates T-cell dependent peripheral tolerance and the Th1/Th2 balance. FURIN also promotes the infectivity of pathogens by activating bacterial toxins and by processing viral proteins. Here, we evaluated the role of FURIN in LysM+ myeloid cells in vivo. Mice with a conditional deletion of FURIN in their myeloid cells (LysMCre-fur(fl/fl)) were healthy and showed unchanged proportions of neutrophils and macrophages. Instead, LysMCre-fur(fl/fl) mice had elevated serum IL-1β levels and reduced numbers of splenocytes. An LPS injection resulted in accelerated mortality, elevated serum pro-inflammatory cytokines and upregulated numbers of pro-inflammatory macrophages. A genome-wide gene expression analysis revealed the overexpression of several pro-inflammatory genes in resting FURIN-deficient macrophages. Moreover, FURIN inhibited Nos2 and promoted the expression of Arg1, which implies that FURIN regulates the M1/M2-type macrophage balance. FURIN was required for the normal production of the bioactive TGF-β1 cytokine, but it inhibited the maturation of the inflammation-provoking TACE and Caspase-1 enzymes. In conclusion, FURIN has an anti-inflammatory function in LysM+ myeloid cells in vivo.

2016-12-30 | GSE84117 | GEO

T cell-expressed proprotein convertase furin is essential for maintenance of peripheral tolerance

Project description:Furin is a proprotein convertase induced in activated T cells, reported to processes the anti-inflammatory cytokine TGFb-1. Herein, we show that conditional deletion of furin in T cells allowed for normal T cell development but impaired the function of regulatory T cells and effector cells, which produced less TGFb-1. Furin-deficient Treg cells, were less protective in a T cell transfer colitis model and failed to induce Foxp3 in normal T cells. Furin-deficient effector cells were inherently overly active and were resistant to suppressive activity of wild-type Tregs. Thus, our results indicate that furin is indispensable in maintaining peripheral tolerance, which is due, at least in part, to its nonredundant, essential function in regulating TGFb-1 production. Targeting furin has emerged as a strategy in malignant and infectious disease. The current work suggests that inhibiting furin might activate immune responses, but may result in a breakdown in peripheral tolerance.

2008-06-26 | GSE11884 | GEO

Absence of the proprotein convertase FURIN in naive and in vitro activated CD8+ T cells

Project description:Absence of the proprotein convertase FURIN in naive and in vitro activated CD8+ T cells

| PRJNA776161 | ENA

Absence of the proprotein convertase FURIN in naive CD8+ T cells modifies the transcriptome of the cells

Project description:Absence of the proprotein convertase FURIN in naive CD8+ T cells modifies the transcriptome of the cells

| PRJNA776166 | ENA

Delayed crosstalk between astrocytes and neurons leads to depressive-like behaviors

Project description:Delayed crosstalk between astrocytes and neurons leads to depressive-like behaviors

| PRJNA1190409 | ENA

Absence of the proprotein convertase FURIN in naive CD8+ T cells modifies the transcriptome of the cells

Project description:Purpose: FURIN is a member of the proprotein convertase subtilisin/kexin (PCSK) family of serine endoproteases important in converting immature proproteins into their functional form. While FURIN is important in various aspects of the immune response such as in CD4+ T cells, FURIN´s role in CD8+ T cells is unclear. Here, we isolated naive CD8+ T cells from conditional T cell specific Furin KO (Cd4-Cre-Furinflox/flox) and WT (Furinflox/flox) mice and studied the genome-wide gene expression pattern using RNA sequencing. Methods: Total RNA was isolated from the naive CD8+ T cells and the RNA-sequencing data was produced by the Finnish Functional Genomics Centre of Turku Bioscience (University of Turku, Turku, Finland) using Illumina HiSeq 2000. Data processing pipeline was built on Snakemake wrappers, and used STAR to quantify features from quality and adapter trimmed reads in gene level. Prior the normalisation and differential gene expression analysis with DESeq2, the matrix of raw gene counts was prefiltered to keep only rows that have at least 10 reads total. Result tables were annotated with biomaRt. Results: Snakemake preprocessing pipeline measured 55573 genes against GRCm38, ENSEMBL release 97. 15843 of them was used for statistical testing. Full result tables for each treatment were ranked by p-value and the normalized DESeq2 abundances in samples were included. The genes with BH-adjusted p-value <0.05 was considered differentially expressed. Conclusions: Our study revealed that the abscence of FURIN from the naive CD8+ T cells causes an effector-like phenotype in comparison to the WT cells.

2023-04-28 | GSE186812 | GEO

Proprotein Convertase Subtilisin/Kexin Type 7 (PCSK7) Is Essential for the Zebrafish Development and Bioavailability of Transforming Growth Factor β1a (TGFβ1a)

Project description:Proprotein convertase subtilisin/kexin (PCSK) enzymes convert proproteins into bioactive end products. Although other PCSK enzymes are known to be essential for biological processes ranging from cholesterol metabolism to host defense, the in vivo importance of the evolutionarily ancient PCSK7 has remained enigmatic. Here, we quantified the expressions of all pcsk genes during the 1st week of fish development and in several tissues. pcsk7 expression was ubiquitous and evident already during the early development. To compare mammalian and zebrafish PCSK7, we prepared homology models, which demonstrated remarkable structural conservation. When the PCSK7 function in developing larvae was inhibited, we found that PCSK7-deficient fish have defects in various organs, including the brain, eye, and otic vesicle, and these result in mortality within 7 days postfertilization. A genome-wide analysis of PCSK7-dependent gene expression showed that, in addition to developmental processes, several immune system-related pathways are also regulated by PCSK7. Specifically, the PCSK7 contributed to the mRNA expression and proteolytic cleavage of the cytokine TGFβ1a. Consequently, tgfβ1a morphant fish displayed phenotypical similarities with pcsk7 morphants, underscoring the importance of this cytokine in the zebrafish development. Targeting PCSK activity has emerged as a strategy for treating human diseases. Our results suggest that inhibiting PCSK7 might interfere with normal vertebrate development.

2014-01-02 | GSE42070 | GEO

Proprotein Convertase Subtilisin/Kexin Type 7 (PCSK7) Is Essential for the Zebrafish Development and Bioavailability of Transforming Growth Factor Î²1a (TGFÎ²1a)

Project description:Proprotein convertase subtilisin/kexin (PCSK) enzymes convert proproteins into bioactive end products. Although other PCSK enzymes are known to be essential for biological processes ranging from cholesterol metabolism to host defense, the in vivo importance of the evolutionarily ancient PCSK7 has remained enigmatic. Here, we quantified the expressions of all pcsk genes during the 1st week of fish development and in several tissues. pcsk7 expression was ubiquitous and evident already during the early development. To compare mammalian and zebrafish PCSK7, we prepared homology models, which demonstrated remarkable structural conservation. When the PCSK7 function in developing larvae was inhibited, we found that PCSK7-deficient fish have defects in various organs, including the brain, eye, and otic vesicle, and these result in mortality within 7 days postfertilization. A genome-wide analysis of PCSK7-dependent gene expression showed that, in addition to developmental processes, several immune system-related pathways are also regulated by PCSK7. Specifically, the PCSK7 contributed to the mRNA expression and proteolytic cleavage of the cytokine TGFÎ²1a. Consequently, tgfÎ²1a morphant fish displayed phenotypical similarities with pcsk7 morphants, underscoring the importance of this cytokine in the zebrafish development. Targeting PCSK activity has emerged as a strategy for treating human diseases. Our results suggest that inhibiting PCSK7 might interfere with normal vertebrate development. Gene expressions of zebrafish were measured at 6 and 24 hours post fertilization of the fish samples with PCSK7 blocked with morpholino technology. For each time point, triplicate samples pooled from 18-35 zebrafish embryos were used. Also gene expressions from triplicate control samples were measured.

2014-01-02 | E-GEOD-42070 | biostudies-arrayexpress

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