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CYR61 orchestrates NASH fibrosis through SYK-NFκB-PDGF signaling in monocyte-derived macrophages

ABSTRACT: CYR61 orchestrates NASH fibrosis through SYK-NFκB-PDGF signaling in monocyte-derived macrophages

PROVIDER: PRJNA820904 | ENA |

REPOSITORIES: ENA

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CYR61 orchestrates NASH fibrosis through SYK-NFκB-PDGF signaling in monocyte-derived macrophages [bulk RNA-seq]

Project description:Obesity is increasing worldwide and leads to a multitude of metabolic diseases including non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatosis (NASH). Here we examine the role of CYR61 in liver fibrosis and inflammation and its potential as a therapeutic target. Loss of CYR61 during NASH injury improves glucose tolerance, decreases liver inflammation and reduces fibrosis. CYR61 activates signaling in monocytes and monocyte-derived macrophages promoting a pro-inflammatory/pro-fibrotic phenotype through a CYR61/SYK/NFKB signaling cascade. In vitro, CYR61 activates Pdgfa and Pdgfb expression in macrophages in a NFκB-dependent manner. Ultimately, we identify a potential therapeutic for NASH: a CYR61-blocking antibody that reduces fibrotic injury and CYR61-driven signaling in macrophages in vitro and in vivo. This study demonstrates that CYR61 is a key driver of liver inflammation and fibrosis and a strong therapeutic target for treatment of NAFLD/NASH.

2023-10-02 | GSE199637 | GEO

CYR61 orchestrates NASH fibrosis through SYK-NFκB-PDGF signaling in monocyte-derived macrophages [HIVE single-cell RNA-seq]

2023-10-02 | GSE199639 | GEO

CYR61 orchestrates NASH fibrosis through SYK-NFκB-PDGF signaling in monocyte-derived macrophages [10X single-cell RNA-seq]

2023-10-02 | GSE199638 | GEO

CYR61 orchestrates NASH fibrosis through SYK-NFκB-PDGF signaling in monocyte-derived macrophages [bulk RNA-seq]

Project description:CYR61 orchestrates NASH fibrosis through SYK-NFκB-PDGF signaling in monocyte-derived macrophages [bulk RNA-seq]

| PRJNA820908 | ENA

CYR61 orchestrates NASH fibrosis through SYK-NFκB-PDGF signaling in monocyte-derived macrophages [10X single-cell RNA-seq]

Project description:CYR61 orchestrates NASH fibrosis through SYK-NFκB-PDGF signaling in monocyte-derived macrophages [10X single-cell RNA-seq]

| PRJNA820907 | ENA

CYR61 orchestrates NASH fibrosis through SYK-NFκB-PDGF signaling in monocyte-derived macrophages [HIVE single-cell RNA-seq]

Project description:CYR61 orchestrates NASH fibrosis through SYK-NFκB-PDGF signaling in monocyte-derived macrophages [HIVE single-cell RNA-seq]

| PRJNA820906 | ENA

CYR61 orchestrates NASH fibrosis through SYK-NFκB-PDGF signaling in monocyte-derived macrophages

Project description:This SuperSeries is composed of the SubSeries listed below.

2023-10-02 | GSE199640 | GEO

NASH

Project description:Non-alcoholic fatty liver disease (NAFLD) is characterized by a series of pathological changes that can progress from simple fatty liver disease to non-alcoholic steatohepatitis (NASH). The objective of this study is to describe changes in global gene expression associated with the progression of NAFLD. This study is focused on the expression levels of genes responsible for the absorption, distribution, metabolism and excretion (ADME) of drugs. Differential gene expression between three clinically defined pathological groups; normal, steatosis and NASH was analyzed. The samples were diagnosed as normal, steatotic, NASH with fatty liver (NASH fatty) and NASH without fatty liver (NASH NF). Genome-wide mRNA levels in samples of human liver tissue were assayed with Affymetrix GeneChipM-. Human 1.0ST arrays

2011-07-12 | E-MEXP-3291 | biostudies-arrayexpress

NIK/MAP3K14 in hepatocytes orchestrates NASH to hepatocellular carcinoma progression via JAK2/STAT5 inhibition

Project description:Nonalcoholic fatty liver disease (NAFLD) ranges from steatosis to nonalcoholic steatohepatitis (NASH), that often progresses to hepatocellular carcinoma (HCC) through a largely undefined mechanism. NASH and HCC both depend on inflammatory signaling whose master regulator is the NFκB transcription factor family, activated by canonical and non-canonical pathways. Here, we investigated non-canonical NFκB-inducing kinase (NIK/MAP3K14) in metabolic NASH, NASH to HCC transition as well as in DEN-induced HCC. We revealed that hepatocyte-specific NIK deficiency (NIKLKO) ameliorated metabolic NASH complications and reduced hepatocarcinogenesis however, independent of its role in NFB pathway. Instead, hepatic NIK attenuated hepatoprotective JAK2/STAT5 signaling that is a prerequisite for NASH and NASH to HCC progression in mice and humans. Our data suggest NIK-mediated inhibitory JAK2 phosphorylation at serine 633 that might be amenable for future therapeutic interventions in patients.

2022-12-08 | GSE146049 | GEO

Tetracycline-Inducible Cyr61 effect on LN229 glioma cells

Project description:Glioblastoma multiforme is the most common and aggressive form of brain cancer. The use of oncolytic HSV-1 (oHSV) to selectively target brain cancer cells leading to their lytic destruction has shown to be very promising in a preclinical setting, but is lacking efficacy in clinical trials. Cyr61, a secreted extracellular matrix protein which functions to promote angiogenesis, migration, proliferation and tumorigenesis, was found to be upregulated rapidly following oHSV infection. Here we show, using microarray analysis, that Cyr61 expression leads to the induction of several genes with type 1 interferon function. We show that Cyr61 mediated type 1 IFN induction is through its interaction with integrin alpha6beta1 on the cell surface and results in oHSV inhibition, reducing the efficacy of this therapy. We used microarray to detail the global program of gene expression underlying Cyr61 mediated oncolytic HSV-1 inhibition and identified distinct classes of up-regulated genes during this process. Tetracycline-Inducible glioma cells expressing Cyr61 protein in the presence of doxycycline were treated with or without doxycycline for 24 hours. RNA was extracted and hybridized on Affymetrix microarray. Two groups: Â± dox to induce cyr61, performed in triplicate.

2012-04-03 | E-GEOD-29384 | biostudies-arrayexpress

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