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Liver tissue transcriptomic analysis of db/db mice expressing adenovirus-delivered GFP or NAMPT

ABSTRACT: Liver tissue transcriptomic analysis of db/db mice expressing adenovirus-delivered GFP or NAMPT

PROVIDER: PRJEB47703 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR6807810.fastq.gz	Fastqsanger.gz
	ERR6807811.fastq.gz	Fastqsanger.gz
	ERR6807812.fastq.gz	Fastqsanger.gz
	ERR6807813.fastq.gz	Fastqsanger.gz
	ERR6807814.fastq.gz	Fastqsanger.gz

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Liver tissue transcriptomic analysis of db/db mice expressing adenovirus-delivered GFP or NAMPT

Project description:Hypothesis is that NAMPT overexpression alters liver transcriptomics in genetically diabetic, obese db/db mice. We treated db/db mice n = 4 with adenovirus encoding GFP or NAMPT by tail-vein delivery.

2022-08-01 | E-MTAB-10984 | biostudies-arrayexpress

Comparison of transcriptomic profile of the murine B16F1-GFP-M melanoma cells with the derived dormant B16F1-GFP-D, B16F1-GFP-DB#1, B16F1-GFP-DB#2, B16F1-GFP-DB#3 melanoma cells

Project description:Comparison of transcriptomic profile of the murine B16F1-GFP-M melanoma cells with the derived dormant B16F1-GFP-D, B16F1-GFP-DB#1, B16F1-GFP-DB#2, B16F1-GFP-DB#3 melanoma cells

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Comparison of transcriptomic profile of the murine B16F1-GFP-M melanoma cells with the derived dormant B16F1-GFP-D, B16F1-GFP-DB#1, B16F1-GFP-DB#2, B16F1-GFP-DB#3 melanoma cells

Project description:Cancer patients after successful therapy contain nested in their organs and/or circulating in the systemic fluids tumor cells that remain asymptomatic for an extended period of time. They stay dormant with no apparent immediate potential to develop into a clinically manifested tumor until activated by yet not well defined mechanisms. We previously developed tumor dormancy model of murine melanoma, a cancer with a high potential of phenotype plasticity to adapt to micro-environmental changes, in which to investigate cellular quiescence and related factors as a potential mechanism of tumour dormancy. In this study, to explore molecular mechanism responsible for cellular dormancy, we performed a comparative transcriptome analysis of dormant B16F1-GFP-D and derived dormant brain metastasis (DB) with maternal B16F1-GFP-M cells.

2024-09-13 | GSE250145 | GEO

Effect of systemic adipsin overexpression on db/db mouse pancreatic islets

Project description:RNAseq of pancreatic islets of db/db mice treated with AAV- Adipsin vs AAV-GFP 4 weeks post AAV injection

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CD-1mice: db/db vs db/+

Project description:Transcriptional profiling of mouse white adipose tissues. The objective of this study is to explore gene expression profiles of obese adipose tissue by DNA microarray data analysis. Male db/db (BKS.Cg-m+/+ Lepr db/J, 6 weeks old) and db/+ (BKS.Cg-Dock7m +/+ Lepr db/J, 6 weeks old) mice were used in this experiment.

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Project description:Neural stem/progenitor cell (NSPC) proliferation and self-renewal, as well as insult-induced differentiation, decrease markedly with age, but the molecular mechanisms responsible for these declines remain unclear. Here we show that levels of NAD+ and nicotinamide phosphoribosyltransferase (Nampt), the rate-limiting enzyme in mammalian NAD+ biosynthesis, decrease with age in the hippocampus. Ablation of Nampt in adult NSPCs reduced their pool and proliferation in vivo. The decrease in the NSPC pool during aging can be rescued by enhancing hippocampal NAD+ levels. Nampt is the main source of NSPC NAD+ levels and required for G1/S progression of the NSPC cell cycle. Nampt is also critical for oligodendrocytic lineage fate decisions through a mechanism mediated redundantly by Sirt1 and Sirt2. Ablation of Nampt in the adult NSPCs in vivo reduced NSPC-mediated oligodendrogenesis upon injury. These phenotypes recapitulate defects in NSPCs during aging, implicating Nampt-mediated NAD+ biosynthesis as a mediator of these age-associated functional declines. Total RNA obtained from neurospheres derived from postnatal hippocampi subjected to 48 hours in vitro of incubation with Nampt-specific inhibitor FK866 (10 nM, 4 samples) or vehicle (DMSO, 1:1000, 4 samples).

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2013-03-22 | GSE31953 | GEO

Profiling pancreatic islets from obese db/db and lean control db/+ mice

Project description:This program addresses the molecular basis of beta-cell failure associated with the development of type 2 diabetes in the db/db mice. Specifically, which genes are differentially expressed in pancreatic islets of the db/db mice compared to the control db/+ mice? The db/db mice islets profiling data was analyzed by identifying genes that were up- and down-regulated at selected p value and fold change in the islets of db/db mice compared to the corresponding db/+ controls.

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RNAi profiling of human MCF-7 cells depleted for NAMPT knockdown

Project description:NAMPT is an enzyme in the mammalian NAD+ salvage pathway. Expression microarray analysis was used to study the effect of NAMPT knockdown on gene expression in MCF-7 breast cancer cells. Experiment Overall Design: Stable knockdown of NAMPT was achieved using a retroviral shRNA construct. An shRNA directed against Luciferase was used to generate the Luc control cells. Three independent biological replicates with matching Luc controls were analyzed using Affymetrix U133 A2.0 microarrays.

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