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IL-22 resolves MASLD via enterocyte STAT3 restoration of diet perturbed intestinal homeostasis [16s rDNA-seq]

ABSTRACT: IL-22 resolves MASLD via enterocyte STAT3 restoration of diet perturbed intestinal homeostasis [16s rDNA-seq]

PROVIDER: PRJNA1015547 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR26037800_1.fastq.gz	Fastqsanger.gz
	SRR26037800_2.fastq.gz	Fastqsanger.gz
	SRR26037801_1.fastq.gz	Fastqsanger.gz
	SRR26037801_2.fastq.gz	Fastqsanger.gz
	SRR26037802_1.fastq.gz	Fastqsanger.gz

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Similar Datasets

IL-22 resolves MASLD via enterocyte STAT3 restoration of diet perturbed intestinal homeostasis

Project description:IL-22 resolves MASLD via enterocyte STAT3 restoration of diet perturbed intestinal homeostasis

| PRJNA1015522 | ENA

IL-22 resolves MASLD via enterocyte STAT3 restoration of diet perturbed intestinal homeostasis [scRNA-seq]

Project description:IL-22 resolves MASLD via enterocyte STAT3 restoration of diet perturbed intestinal homeostasis [scRNA-seq]

| PRJNA1015543 | ENA

IL-22 resolves MASLD via enterocyte STAT3 restoration of diet perturbed intestinal homeostasis [16s rDNA-seq]

Project description:IL22 induces antimicrobial peptides which influnce microbiota. We used 16s rRNA gene sequencing (16s DNA-seq) to analyze the microbiota with Fc or IL-22Fc treatment.

2024-08-01 | GSE242929 | GEO

IL-22 resolves MASLD via enterocyte STAT3 restoration of diet perturbed intestinal homeostasis

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

2024-08-01 | GSE242930 | GEO

IL-22 resolves MASLD via enterocyte STAT3 restoration of diet perturbed intestinal homeostasis [scRNA-seq]

Project description:We found IL22 could reduce intestinal fatty acid transporters expression. We used single cell RNA sequencing (scRNA-seq) to analyze the cell population and gene expression with Fc or IL-22Fc treatment.

2024-08-01 | GSE242927 | GEO

The Senescence-associated Secretome of Hedgehog-deficient Hepatocytes Drives MASLD Progression

Project description:The burden of senescent hepatocytes correlates with MASLD severity but mechanisms driving senescence, and how it exacerbates MASLD are poorly understood. Hepatocytes become senescent when Smoothened (Smo) is deleted to disrupt Hedgehog signaling. We aimed to determine if the secretomes of Smo-deficient hepatocytes perpetuate senescence to drive MASLD progression. RNA seq analysis confirmed that hepatocyte populations of MASLD livers are depleted of Smo(+) cells and enriched with senescent cells. When fed CDA-HFD, Smo(-) mice had lower antioxidant markers and developed worse DNA damage, senescence, MASH and liver fibrosis than Smo(+) mice. Sera and hepatocyte-conditioned medium from Smo(-) mice were depleted of thymidine phosphorylase (TP), a protein that maintains mitochondrial fitness. Treating Smo(-) hepatocytes with TP reduced senescence and lipotoxicity; inhibiting TP in Smo(+) hepatocytes had the opposite effects and exacerbated hepatocyte senescence, MASH, and fibrosis in CDA-HFD-fed mice.Therefore, we found that inhibiting Hedgehog signaling in hepatocytes promotes MASLD by suppressing hepatocyte production of proteins that prevent lipotoxicity and senescence.

2024-10-01 | GSE273523 | GEO

Development of a novel non-invasive biomarker panel for hepatic fibrosis in individuals with MASLD

Project description:- Background & Aims: Considering the escalating prevalence of metabolic dysfunction-associated steatotic liver disease (MASLD) and MASLD-related fibrosis, accurate non-invasive biomarkers for diagnosis and staging of fibrosis are urgently needed. This study Aims to develop a blood-based biomarker panel for fibrosis detection in individuals with MASLD. - Approach & Results: Using a translational diet-induced LDLr-/-.Leiden MASLD mouse model, candidate biomarkers were identified focused on the mechanism of collagen deposition, by integrating hepatic gene expression and new extracellular matrix deposition, as detected by dynamic D2O-labeling. To translate these findings to humans, gene expression profiles and biomarkers were analyzed in liver biopsies and serum samples from 67 individuals with histologically characterized MASLD and variable degrees of fibrosis. This led to the selection of three biomarkers for a blood-based fibrosis biomarker panel: IGFBP7, SSc5D and Sema4D. The accuracy of the biomarker panel was tested in a separate cohort of 128 individuals with histologically characterized MASLD across different stages of fibrosis. A Light Gradient Boosting Machine (LGBM) model was applied to predict fibrosis stage in MASLD (F0/F1: AUC = 0.90; F2: AUC = 0.91; F3/F4: AUC = 0.87). - Conclusion & Discussion: Using a translational Approach to identify collagen turnover related proteins indicative of fibrosis, we developed an accurate blood-based biomarker panel to detect and stage hepatic fibrosis in individuals with MASLD.

2024-05-17 | GSE240729 | GEO

Exploring the Impact of m6A Methyltransferase Mettl3 on MASLD through Multi-Omics Analysis

Project description:Background: N6-methyladenosine (m6A) RNA modification plays a crucial role in various biological events and is implicated in various metabolic-related diseases. However, its role in MASLD remains unclear. This study aims to investigate the impact of Mettl3 on MASLD through multi-omics analysis, with a focus on exploring its potential mechanisms of action. Methods: MASLD mouse models were established by feeding a high-fat diet for 12 weeks, and Mettl3 stable overexpression AML12 cell models were constructed via lentiviral transfection. Subsequent transcriptomic and proteomic analyses, as well as integrated analysis between different omics datasets, were conducted. Results: Mettl3 expression significantly increased in MASLD mouse models. In the transcriptomic and proteomic analyses, we identified 848 genes with significant inconsistencies between transcriptomic and proteomic datasets. GO/KEGG enrichment terms may involve post-transcriptional modifications, particularly Mettl3-mediated m6A modification. Subsequently, through integrated proteomic analysis of Mettl3-overexpressed AML12 cell models and MASLD mouse models, we selected the top 20 co-upregulated and co-downregulated GO/KEGG terms as the main biological processes influenced by Mettl3 in MASLD. By intersecting with pathways obtained from previous integrated analyses, we identified GO/KEGG terms affected by Mettl3-induced m6A modification. Protein-protein interaction analysis of proteins involved in these pathways highlighted GAPDH, ENO1, and TPI1 as three key hub genes. Conclusion: In MASLD, Mettl3 regulates the glycolytic pathway through m6A modification, influencing the occurrence and development of the disease via the key hub genes GAPDH, ENO1, and TPI1. These findings expand our understanding of MASLD and provide strong evidence for potential therapeutic targets and drug development.

2024-09-20 | PXD050565 | Pride

Sex- and age-associated factors drive the pathophysiology of MASLD

Project description:Metabolic dysfunction-associated steatotic liver disease (MASLD) is strongly associated with obesity. The use of animal models fed Western-style diets is vital for investigating the molecular mechanisms contributing to metabolic dysregulation and for facilitating novel drug target identification. However, the sex- and age-associated mechanisms underlying the pathophysiology remain poorly understood. Here we show distinct responses to a HFD between males and females. Our study underscores the need for utilizing both sexes in drug target identification studies, and characterizing the molecular mechanisms contributing to the MASLD pathophysiology in aging animals. Hepatology Communications 2024

2024-09-03 | GSE274914 | GEO

Improvement of MASLD and MASH by suppression of hepatic N-Acetyltransferase 10 (RIP-Seq)

Project description:Metabolic dysfunction-associated steatotic liver disease (MASLD) and metabolic dysfunction-associated steatohepatitis (MASH) are characterized by excessive triglyceride accumulation in the liver. However, due to an incomplete understanding of its pathogenesis, more efforts are still needed to identify specific and effective treatments. N4-acetylcytidine (ac4C) is a newly discovered RNA modification to regulate mRNA stability post-transcriptionally. N-acetyltransferase 10 (NAT10), the sole enzyme catalyzing mRNA acetylation, has not been fully explored in human diseases, especially in MASLD and MASH. In the current study, abundant RNA acetylation was found in lipid metabolism-related genes in the livers of leptin receptor-deficient (db/db) mice. Besides, hepatic NAT10 expression is significantly increased in multiple mouse models of MASLD and MASH. NAT10 expression is also elevated in patients with MASLD and positively correlated with clinical characteristics. Genetic NAT10 knockdown protects against diet-induced hepatic steatosis and steatohepatitis in mice, while its overexpression exacerbates steatosis. Mechanistically, NAT10 could bind to Srebp-1c mRNA to promote its stability and expression, thereby upregulating lipogenic enzymes. In addition, the translational significance of our findings is that treatment of Remodelin, an NAT10 inhibitor, could improve liver steatosis and dyslipidemia in a preclinical mouse model. Together, these findings highlight the significance of ac4C modification and NAT10 in MASLD and MASH, offering a potential therapeutic target for disease treatment.

2024-09-22 | GSE275576 | GEO

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