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Potential utility of L-carnitine for preventing liver tumors derived from metabolic dysfunction-associated steatohepatitis

ABSTRACT: Potential utility of L-carnitine for preventing liver tumors derived from metabolic dysfunction-associated steatohepatitis

PROVIDER: PRJNA1089610 | ENA |

REPOSITORIES: ENA

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Potential utility of L-carnitine for preventing liver tumors derived from metabolic dysfunction-associated steatohepatitis

Project description:We examined the potential utility of L-carnitine for alleviating metabolic dysfunction-associated steatohepatitis (MASH) and preventing the development of hepatocellular carcinoma. Short-term L-carnitine administration ameliorated MASH through its anti-inflammatory effects.

2024-04-24 | GSE261938 | GEO

Pneumosepsis survival in the setting of obesity leads to persistent steatohepatitis and metabolic dysfunction.

Project description:Pneumosepsis survival in the setting of obesity leads to persistent steatohepatitis and metabolic dysfunction.

2023-05-02 | GSE231504 | GEO

carnitine effect-Effect of carnitine on the transcriptome of A. thaliana

Project description:rs07-01_carnitine - carnitine effect - Effect of carnitine on the transcriptome of A. thaliana - Our objective is the description of the existence of an intracellular transport depend on the carnitine at Arabidopsis thaliana. For that, we planned the study of the response of the transcriptome in the presence of exogenic L-carnitine. Seedlings WT are cultivated on medium MS, 6 independent times. At 144h, the seedlings are collected and pools are formed with 3 samples. We proceed in the same way for the seedlings which are cultivated on medium MS containing L-carnitine 5mM. Keywords: treated vs untreated comparison

2008-03-05 | GSE10676 | GEO

Genetic and pharmacological targeting of hepatic oxalate overproduction ameliorates metabolic dysfunction-associated steatohepatitis

Project description:Metabolic dysfunction-associated steatohepatitis (MASH) is on the rise, and with limited pharmacological therapy available, identification of new metabolic targets is urgently needed. Oxalate is a terminal metabolite produced from glyoxylate by lactate dehydrogenase (LDHA). The liver-specific alanine-glyoxylate aminotransferase (AGXT) detoxifies glyoxylate, preventing oxalate accumulation. We report that AGXT is suppressed and LDHA is activated in livers from patients and mice with MASH, leading to oxalate overproduction. In turn, oxalate promotes steatosis in hepatocytes by inhibiting peroxisome proliferator activated receptor-alpha (PPARα) transcription and fatty acid β-oxidation (FAO), and induces monocyte chemotaxis via C-C motif chemokine ligand 2. In male mice with diet-induced MASH, blocking oxalate overproduction through hepatocyte-specific AGXT overexpression or pharmacological inhibition of LDHA potently lower steatosis, inflammation, and fibrosis by inducing PPARα-driven FAO, and suppressing monocyte chemotaxis, nuclear factor-kappaB and transforming growth factor-beta targets. These findings highlight hepatic oxalate overproduction as a new target for the treatment of MASH.

2024-08-07 | GSE265985 | GEO

Chitinase 1: A novel therapeutic target in metabolic dysfunction-associated steatohepatitis

Project description:Chitinase 1: A novel therapeutic target in metabolic dysfunction-associated steatohepatitis

| PRJNA1124123 | ENA

Transcription profiling of Sachharomyces cerevisiae cultures following L-carnitine supplementation

Project description:Microarray analysis of the effect of L-carnitine supplementation on global expression of Sachharomyces cerevisiae cultures in logarithmic growing conditions and after exposure to H2O2 induced oxidative stress; L-Carnitine plays a well documented role in eukaryotic energy homeostasis by acting as a shuttling molecule for activated acyl residues across intracellular membranes. This activity is supported by carnitine acyl-transferases and transporters, and is referred to as the carnitine shuttle. However, several pleiotropic and often beneficial effects of carnitine in humans have been reported that appear to be unrelated to the shuttling activity, but little conclusive evidence regarding the molecular networks that would be affected by carnitine exist. We have recently demonstrated a protective role of carnitine in oxidative stress in yeast that is independent of the carnitine shuttle. A DNA microarray-based global gene expression analysis identified Cyc3p, a cytochrome c heme lyase, as being important for carnitine's protective impact in oxidative stress conditions. These findings establish a direct genetic link to a carnitine-related phenotype that is independent of the shuttle system. The data suggest that the yeast Saccharomyces cerevisiae should provide a useful model for further elucidation of carnitine's physiological roles. Experiment Overall Design: Yeast cultures was grown to mid-log phase with and without carnitine supplementation to a final concentration of 100 mg/L. A second set was grown to mid log phase, with and without carnitine supplementation and exposed to 0.4 mM H2O2 for 30 min. The experiments were performed using biological duplicate.

2009-07-04 | E-GEOD-16346 | biostudies-arrayexpress

Transcript profiling in the liver of piglets fed carnitine

Project description:Carnitine is a water soluble quaternary amine which is essential for normal function of all tissues. Besides improving performance characteristics of livestock animals carnitine has attracted scientific interest due to several health-related effects, like protection against neurodegeneration, mitochondrial decay, and oxidative stress, improvement of glucose tolerance and insulin sensitivity as well as reduction of hepatic steatosis. To gain insight into mechanisms through which carnitine exerts its beneficial metabolic effects, we fed piglets either a control or a carnitine supplemented diet, and analyzed the transcriptome in the liver, which plays a central role in whole body metabolism. Total RNA was isolated from pig liver samples for hybridization on Affymetrix GeneChip porcine genome arrays. Two RNA pools, each for the control group and the carnitine group, were used. Each RNA pool comprised RNA from 4 pigs.

2010-07-15 | E-GEOD-22931 | biostudies-arrayexpress

Raw data for : "Genetic and pharmacological targeting of hepatic oxalate overproduction ameliorates metabolic dysfunction-associated steatohepatitis"

Project description:Metabolic dysfunction-associated steatohepatitis (MASH) is on the rise, and with limited pharmacological therapy available, identification of new metabolic targets is urgently needed. Oxalate is a terminal metabolite produced from glyoxylate by lactate dehydrogenase (LDHA). The liver-specific alanine-glyoxylate aminotransferase (AGXT) detoxifies glyoxylate, preventing oxalate accumulation. We report that AGXT is suppressed and LDHA is activated in livers from patients and mice with MASH, leading to oxalate overproduction. In turn, oxalate promotes steatosis in hepatocytes by inhibiting peroxisome proliferator activated receptor-alpha (PPARa) transcription and fatty acid b-oxidation (FAO), and induces monocyte chemotaxis via C-C motif chemokine ligand 2. In male mice with diet-induced MASH, blocking oxalate overproduction through hepatocyte-specific AGXT overexpression or pharmacological inhibition of LDHA potently lower steatosis, inflammation, and fibrosis by inducing PPARa-driven FAO, and suppressing monocyte chemotaxis, nuclear factor-kappa B and transforming growth factor-beta targets. These findings highlight hepatic oxalate overproduction as a new target for the treatment of MASH.

2024-04-21 | MSV000094587 | MassIVE

Transcript profiling in the liver of piglets fed carnitine

2010-07-15 | GSE22931 | GEO

Transcriptomic characterization of circulating neutrophils isolated from patients with metabolic dysfunction-associated steatohepatitis (MASH), formerly known as nonalcoholic steatohepatitis (NASH).

Project description:Transcriptomic characterization of circulating neutrophils isolated from patients with metabolic dysfunction-associated steatohepatitis (MASH), formerly known as nonalcoholic steatohepatitis (NASH).

| PRJNA1038739 | ENA

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