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Combined Treatment with L-Carnitine and Nicotinamide Riboside Improves Hepatic Metabolism and Attenuates Obesity and Liver Steatosis

ABSTRACT: Combined Treatment with L-Carnitine and Nicotinamide Riboside Improves Hepatic Metabolism and Attenuates Obesity and Liver Steatosis

PROVIDER: PRJNA563739 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10063800.fastq.gz	Fastqsanger.gz
	SRR10063801.fastq.gz	Fastqsanger.gz
	SRR10063802.fastq.gz	Fastqsanger.gz
	SRR10063803.fastq.gz	Fastqsanger.gz
	SRR10063804.fastq.gz	Fastqsanger.gz

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Combined Treatment with L-Carnitine and Nicotinamide Riboside Improves Hepatic Metabolism and Attenuates Obesity and Liver Steatosis

Project description:Abstract: Obesity characterized by adiposity and ectopic fat accumulation is associated with the development of non-alcoholic fatty liver disease (NAFLD). Treatments that stimulate lipid utilization may prevent the development of obesity and comorbidities. This study evaluated the potential anti-obesogenic hepatoprotective effects of combined treatment with L-carnitine and nicotinamide riboside, i.e., components that can enhance fatty acid transfer across the inner mitochondrial membrane and increase nicotinamide adenine nucleotide (NAD+) levels, which are necessary for β-oxidation and the TCA cycle, respectively. Ldlr −/−.Leiden mice were treated with high-fat diet (HFD) supplemented with L-carnitine (LC; 0.4% w/w), nicotinamide riboside (NR; 0.3% w/w) or both (COMBI) for 21 weeks. L-carnitine plasma levels were reduced by HFD and normalized by LC. NR supplementation raised its plasma metabolite levels demonstrating effective delivery. Although food intake and ambulatory activity were comparable in all groups, COMBI treatment significantly attenuated HFD-induced body weight gain, fat mass gain (−17%) and hepatic steatosis (−22%). Also, NR and COMBI reduced hepatic 4-hydroxynonenal adducts. Upstream-regulator gene analysis demonstrated that COMBI reversed detrimental effects of HFD on liver metabolism pathways and associated regulators, e.g., ACOX, SCAP, SREBF, PPARGC1B, and INSR. Combination treatment with LC and NR exerts protective effects on metabolic pathways and constitutes a new approach to attenuate HFD-induced obesity and NAFLD.

2019-09-04 | GSE136821 | GEO

Nicotamide riboside attenuates age-associated transcriptional changes in hemoatpoietics stem cells

Project description:Nicotamide riboside attenuates age-associated transcriptional changes in hemoatpoietics stem cells

2021-03-09 | GSE165982 | GEO

Combined Treatment with L-Carnitine and Nicotinamide Riboside Improves Hepatic Metabolism and Attenuates Obesity and Liver Steatosis.

Project description:Obesity characterized by adiposity and ectopic fat accumulation is associated with the development of non-alcoholic fatty liver disease (NAFLD). Treatments that stimulate lipid utilization may prevent the development of obesity and comorbidities. This study evaluated the potential anti-obesogenic hepatoprotective effects of combined treatment with L-carnitine and nicotinamide riboside, i.e., components that can enhance fatty acid transfer across the inner mitochondrial membrane and increase nicotinamide adenine nucleotide (NAD+) levels, which are necessary for β-oxidation and the TCA cycle, respectively. Ldlr -/-.Leiden mice were treated with high-fat diet (HFD) supplemented with L-carnitine (LC; 0.4% w/w), nicotinamide riboside (NR; 0.3% w/w) or both (COMBI) for 21 weeks. L-carnitine plasma levels were reduced by HFD and normalized by LC. NR supplementation raised its plasma metabolite levels demonstrating effective delivery. Although food intake and ambulatory activity were comparable in all groups, COMBI treatment significantly attenuated HFD-induced body weight gain, fat mass gain (-17%) and hepatic steatosis (-22%). Also, NR and COMBI reduced hepatic 4-hydroxynonenal adducts. Upstream-regulator gene analysis demonstrated that COMBI reversed detrimental effects of HFD on liver metabolism pathways and associated regulators, e.g., ACOX, SCAP, SREBF, PPARGC1B, and INSR. Combination treatment with LC and NR exerts protective effects on metabolic pathways and constitutes a new approach to attenuate HFD-induced obesity and NAFLD.

| S-EPMC6770226 | biostudies-literature

RNA-sequencing analysis of murine Hematopoietic Stem Cells treated with Nicotinamide Riboside

Project description:RNA-sequencing analysis of murine Hematopoietic Stem Cells treated with Nicotinamide Riboside

| PRJNA515529 | ENA

Nicotinamide riboside supplementation confers modest effects on skeletal muscle metabolism without mitochondrial and acetyl-proteome remodelingNicotinamide riboside supplementation confers modest effects on skeletal muscle metabolism without mitochondrial and acetyl-proteome remodeling

Project description:Nicotinamide riboside supplements (NRS) have been touted as a nutraceutical that promotes cardiometabolic and musculoskeletal health by enhancing nicotinamide adenine dinucleotide (NAD+) biosynthesis, mitochondrial function and/or the activities of NAD-dependent sirtuin deacetylase enzymes. This investigation examined the impact of NRS on whole body energy homeostasis, skeletal muscle mitochondrial function, and corresponding shifts in the acetyl-lysine proteome, in the context of diet-induced obesity using C57BL/6NJ mice. The study also included a genetically-modified mouse model that imposes greater demand on sirtuin flux and associated NAD+ consumption, specifically within muscle tissues. In general, whole body glucose control was modestly improved by NRS when administered at the midpoint of a chronic high fat diet, but not when given as a preventative therapy upon initiation of the diet. Contrary to anticipated outcomes, the study produced little evidence that NRS increases tissue NAD+ levels, augments mitochondrial function and/or mitigates diet-induced hyperacetylation of the skeletal muscle proteome.

2022-02-17 | PXD027904 | Pride

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

Nicotamide riboside attenuates age-associated transcriptional changes in hemoatpoietics stem cells

Project description:Nicotamide riboside attenuates age-associated transcriptional changes in hemoatpoietics stem cells

| PRJNA698895 | ENA

Nicotinamide Riboside is Uniquely Bioavailable in People and Mice

Project description:Nicotinamide riboside (NR) is in wide use as an NAD+ precursor vitamin. Here we conducted experiments to determine the time and dose-dependent effects of NR on blood, liver and heart NAD+ metabolism in people and mice. We report that human blood cell NAD+ can rise as much as 2.7-fold with a single dose of NR, that NR elevates mouse hepatic NAD+ with distinct and superior pharmacokinetics to those of nicotinic acid (NA) and nicotinamide (Nam), and that single doses of 100, 300, and 1000 mg of NR provide a dose-dependent increase in the blood cell NAD+ metabolome in the first clinical trial of NR pharmacokinetics. We also report that nicotinic acid adenine dinucleotide (NAAD), which was not thought to be en route for conversion of NR to NAD+, is formed from NR and that the rise in NAAD is a highly sensitive biomarker of effective NAD+ supplementation.

2016-09-09 | MTBLS368 | MetaboLights

Transcript profiling in the liver of piglets fed carnitine

2010-07-15 | GSE22931 | GEO

Hepatocyte-specific knockout of Nicotinamide phosphoribosyltransferase increases susceptibility for liver fibrosis in mice

Project description:We investigated the plasma and liver proteome changes in liver fibrosis in mice induced by hepatocyte-specific knockout of nicotinamide phosphoribosyltransferase (Nampt) upon a low-methionine, choline-free 60% high-fat (MCD) diet at multiple time points. We also investigated whether supplementation with nicotinamide riboside could alleviate liver injury and how the liver proteome changes upon NR supplementation.

2021-11-04 | PXD017170 | Pride

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