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FGF18 alleviates hepatic ischemia-reperfusion injury via the USP16-mediated KEAP1/Nrf2 signaling pathway in male mice

ABSTRACT: FGF18 alleviates hepatic ischemia-reperfusion injury via the USP16-mediated KEAP1/Nrf2 signaling pathway in male mice

PROVIDER: PRJNA1011247 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR25826200_1.fastq.gz	Fastqsanger.gz
	SRR25826200_2.fastq.gz	Fastqsanger.gz
	SRR25826201_1.fastq.gz	Fastqsanger.gz
	SRR25826201_2.fastq.gz	Fastqsanger.gz
	SRR25826202_1.fastq.gz	Fastqsanger.gz

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FGF18 alleviates hepatic ischemia-reperfusion injury via the USP16-mediated KEAP1/Nrf2 signaling pathway in male mice

Project description:Hepatic ischemia-reperfusion injury (IRI) is a common complication occurs during hepatic resection and transplantation. However, the mechanisms underlying hepatic IRI have not been fully elucidated. Here, we aim to explore the role of fibroblast growth factor 18 (FGF18) in hepatic IRI. In this work, we find that Hepatic stellate cells (HSCs) secrete FGF18 and alleviates hepatocytes injury. HSCs-specific FGF18 deletion largely aggravates hepatic IRI. Mechanistically, FGF18 treatment reduces the levels of ubiquitin carboxyl-terminal hydrolase 16 (USP16), leading to increased ubiquitination levels of Kelch Like ECH Associated Protein 1 (KEAP1) and the activation of nuclear factor erythroid 2-related factor 2 (Nrf2). Furthermore, USP16 interacts and deubiquitinates KEAP1. More importantly, Nrf2 directly binds to the promoter of USP16 and forms a negative feedback loop with USP16. Collectively, our results show FGF18 alleviates hepatic IRI by USP16/KEAP1/Nrf2 signaling pathway in male mice, suggesting that FGF18 represents a promising therapeutic approach for hepatic IRI.

2023-09-05 | GSE242032 | GEO

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Project description:To examine the protective effect of B12 on myocardial ischemia/reperfusion injury and figure out the mechanism of B12.

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Usp16

Project description:Usp16

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Gene expression change in Keap1 knockdown (KD) mice in kidneys of ischemia-reperfusion injury (IRI)

Project description:We analyzed differences in IRI kidneys between WT and Keap1 KD mice (= Nrf2-activated mice). To identify Nrf2-target genes or metabolic genes in kidneys, we examined the mRNA expression profile both in normal (uninjured) and IRI kidneys (at day1 after unilateral IRI) from mice We performed microarray analyses using 1) Injured kidneys at day 1 after unilateral IRI, and 2) intact kidneys from mice which did not undergo UIRI. Samples were harvested from Keap1 KD mice and WT mice, n = 2 each,

2016-04-01 | E-GEOD-71647 | biostudies-arrayexpress

Nrf2 sequesters Keap1 preventing podosome disassembly

Project description:Nrf2 is a transcription factor playing an essential role in stress response. A knowledge of the significance of Nrf2 in cell function has not, as yet, reached out beyond transactivation of gene expression. This paper shows that GDF-15 and SDF-1-induced angiogenesis strongly depends on Nrf2 presence, but is not related to its transcriptional activity. We propose, that Nrf2 serves as a protein restraining Keap1, its known transcriptional repressor. Deficiency of Nrf2 protein available for Keap1 leads to overabundance of RhoGAP1, the protein regulating Cdc42 activity, and impairs podosome assembly, thereby indisposing actin rearrangements, preventing migration and angiogenesis. These activities can be rescued by concomitant deletion of RhoGAP1 or Keap1. We suggest that a new Nrf2 function of a Keap1 scavenger implies revising the established murine model of Nrf2 deficiency as a transcriptional knock out (tKO) mouse. The N-terminal fragment of Nrf2, containing Neh2 domain binding Keap1, is present in these animals. Thus, regarding the function of Nrf2 as a protein sequestering Keap1, both published and unpublished data on Nrf2-Keap1 duet may gain new interpretation.

2018-11-28 | PXD009161 | Pride

KLF6 alleviates hepatic ischemia-reperfusion injury by inhibiting autophagy

Project description:To find the genes with significant expression changes after liver ischemia-reperfusion injury,we established a hypoxia-reoxygenation model using AML12 cells. We then performed gene expression profiling analysis using data obtained from RNA-seq under normoxia and hypoxia-reoxygenation conditions.

2022-10-30 | GSE216522 | GEO

Expression data from Keap1 overexpression and Nrf2 knockdown lung cancer cell

Project description:Keap1 overexpressed and Nrf2 depleted CL1-5 cells were used to identify genes regulated by Keap1/Nrf2 axis-dependent gene regulations We used microarrays to detail the global programme of gene expression underlying metastasis and identified distinct classes of Keap1/Nrf2-regulated genes during this process. CL1-5 cells stably expressed Keap1 expressing construct and Nrf2-specific shRNA were analyzed compared to control cells

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Genome-wide maps of Usp16, ubH2A and gene expression profiles in wild type and Usp16 knock out mouse embryonic stem cells (ESCs) and embryoid bodies (EBs)

Project description:Polycomb Repressive Complex 1 and histone H2A ubiquitination (ubH2A) contribute to embryonic stem cell (ESC) pluripotency by repressing lineage-specific gene expression. However, whether active deubiquitination co-regulates ubH2A levels in ESCs and during differentiation is not known. Here, we report that the histone H2A deubiquitinase Usp16 regulates H2A deubiquitination and gene expression in ESCs, and importantly, is required for ESC differentiation. Usp16 knockout is embryonic lethal in mice, but does not affect ESC viability or identity. Usp16 binds to the promoter regions of a large number of genes in ESCs and Usp16 binding is inversely correlated with ubH2A levels and positively correlated with gene expression levels. Intriguingly, Usp16-/- ESCs fail to differentiate due to ubH2A-mediated repression of lineage-specific genes. Finally, Usp16, but not the enzymatically inactive mutant, rescues the differentiation defects of Usp16-/- ESCs. Therefore, this study identifies Usp16 and H2A deubiquitination as critical regulators of ESC gene expression and differentiation. Examination of binding pattern of H2A deubiquitinase Usp16 and ubH2A in mouse embryonic stem cells and embroid bodies

2014-05-02 | E-GEOD-52899 | biostudies-arrayexpress

Vitamin B12 alleviates myocardial ischemia/reperfusion injury

Project description:Vitamin B12 alleviates myocardial ischemia/reperfusion injury

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Gene expression change in Keap1 knockdown (KD) mice in kidneys of ischemia-reperfusion injury (IRI)

2016-04-01 | GSE71647 | GEO