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RNA-Seq analysis of human CD56bright NK cells cultured with ascorbic acid

ABSTRACT: RNA-Seq analysis of human CD56bright NK cells cultured with ascorbic acid

PROVIDER: PRJNA639737 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12022783_1.fastq.gz	Fastqsanger.gz
	SRR12022783_2.fastq.gz	Fastqsanger.gz
	SRR12022784_1.fastq.gz	Fastqsanger.gz
	SRR12022784_2.fastq.gz	Fastqsanger.gz
	SRR12022785_1.fastq.gz	Fastqsanger.gz

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Similar Datasets

RNA-Seq analysis of human CD56bright NK cells cultured with ascorbic acid

Project description:We report our results of RNA-seq analysis on freshly isolated, sorted subsets of natural killer cells cultured with ascorbic acid

2020-06-17 | GSE152571 | GEO

Proteomic characterization of CD56posCD57 NK cell subsets

Project description:NK cells are lymphocytes that provide a first defense against viral infections and cancer. They act (i) cytotoxic by killing virus-infected and tumorigenic cells and (ii) immune regulatory by releasing cytokines and chemokines. These innate immune cells are commonly further classified as CD56bright and CD56dim NK cells. Former studies confirmed immune regulatory CD56bright NK cells as progenitors of cytotoxic CD56dim NK cells. CD57 was previously described as T cell marker for senescence and terminal differentiation. Recent studies detected CD57+ and CD57- NK cells among the CD56dim NK cell population and suggested a fully mature developmental status for CD57+ NK cells. The recent NK cell maturation model includes CD34+ hematopoietic stem cells (HSC), which develop into CD56bright NK cells, later into CD56dimCD57- and finally into terminally maturated CD56dimCD57+ (1) (2) (3). The molecular mechanisms of human NK cell differentiation and maturation remain unknown to this date. We performed for the first time a proteomic analysis of these distinct developmental stages of human primary NK cells, isolated from overall 10 healthy human blood donors. CD56bright NK cells versusCD56dim and CD56dimCD57- versus CD56dimCD57+ NK cells were analyzed by using quantitative peptide sequencing, which revealed individual protein signatures (3400 proteins) of these different NK cell developmental stages. Notably, our data support the current NK cell differentiation model by highlighting both strong distinctions between CD56dim/bright NK cells and close relationships between CD57+/- NK cells on the proteomic level. Among the most prominent and conserved regulated proteins, we detected myosin IIa, Calvasculin and Calcyclin with very similar expression patterns. We investigated their sub-cellular localization and observed specific recruitment- and accumulation-events at the NK cell immunological synapse (NKIS) after NK activation.

2013-01-23 | PRD000666 | Pride

Ascorbic acid induces transient global active chromatin remodelling, providing clues for its anti-cancer effect

Project description:In addition to the role of antioxidant, ascorbic acid (reducing Vitamin C) is an important cofactor for Fe2+ and α-ketoglutarate (α-KG) dependent dioxygenases (Fe2+/α-KGDDs) that comprise many diverse enzymes, including collagen prolyl hydroxylases, jmjC (Jumonji C) domain containing histone demethylases, Ten-eleven translocation (TET) 5-methyl cytosine (5mC) dioxygenases, and N6-methyl adenosine (m6A) demethylase FTO and ALKBH5. Ascorbic acid was reported to induce global epigenetic reprogramming. Here we optimized the library construction flow chart of single-stranded DNA profiling method KAS-seq and utilized KAS-seq to profile transient chromatin states changes upon ascorbic acid treatment for 10 min. We identified several critical pathways affected by ascorbic acid treatment, providing some clues for explaining the reported positive impact of anti-cancer, anti-depression, and anti-obesity for taking ascorbic acid.

2023-07-25 | GSE237843 | GEO

Transcriptional response of Streptococcus pneumoniae D39 to ascorbic acid

Project description:Transcriptome comparison of the Streptococcus pneumoniae D39 wild-type grown in M17 medium to grown in M17 medium + 10mM ascorbic acid (AM17).

2015-01-21 | GSE64105 | GEO

Transcription profiling of human NK cells sorted into CD56dim and CD56bright NK cell subpopulations

Project description:Human NK cells were sorted into CD56dim and CD56bright NK cell subpopulations. In order to define characteristics of both populations gene profiling was performed using Affymetrix arrays U133a and U133B.

2006-05-31 | E-MEXP-380 | biostudies-arrayexpress

Expression data of Human Decidual NK cells, Peripheral blood, CD56Bright NK cells and CD56Dim NK cells on HGU133A arrays

Project description:Fragmented RNA cocktails from FACS sorted Human decidual NK cell, and peripheral blood CD56Bright and CD56Dim NK cells, previously hybridization to HGU95AV2 chips (Koopman et al J Exp Med. 2003 Oct 20;198(8):1201-1), were stored long term at -80C, thawed and hybridized to HG-U133A arrays. Transcriptome analysis of Human decidual NK cells and NK cells from peripheral blood using Affymetrix UGU133A arrays.

2016-04-06 | E-GEOD-79938 | biostudies-arrayexpress

Expression data of Human Decidual NK cells, Peripheral blood, CD56Bright NK cells and CD56Dim NK cells on HGU133B arrays

Project description:Fragmented RNA cocktails from FACS sorted Human decidual NK cell, and peripheral blood CD56Bright and CD56Dim NK cells, previously hybridization to HGU95AV2 chips (Koopman et al J Exp Med. 2003 Oct 20;198(8):1201-1), were stored long term at -80C, thawed and hybridized to HG-U133B arrays. Transcriptome analysis of Human decidual NK cells and NK cells from peripheral blood using Affymetrix UGU133B arrays.

2016-04-06 | E-GEOD-79939 | biostudies-arrayexpress

Transcription profiling of human skin fibroblasts treated with ascorbic acid

Project description:Effect of Ascorbic acid on human genome

2009-10-15 | E-MEXP-1861 | biostudies-arrayexpress

Ascorbic acid-dependent gene expression in Streptococcus pneumoniae and the activator function of the transcriptional regulator UlaR2.

Project description:In this study, we have explored the impact of ascorbic acid on the transcriptome of Streptococcus pneumoniae D39. The expression of several genes and operons, including the ula operon (which has been previously shown to be involved in ascorbic acid utilization), the AdcR regulon (which has been previously shown to be involved in zinc transport and virulence) and a PTS operon (which we denote here as ula2 operon) were altered in the presence of ascorbic acid. The ula2 operon consists of five genes, including the transcriptional activator ulaR2. Our β-galactosidase assay data and transcriptome comparison of the ulaR2 mutant with the wild-type demonstrated that the transcriptional activator UlaR2 in the presence of ascorbic acid activates the expression of the ula2 operon. We further predict a 16-bp regulatory site (5’-ATATTGTGCTCAAATA-3’) for UlaR2 binding in the Pula2. Furthermore, we have explored the effect of ascorbic acid on the expression of the AdcR regulon. Our ICP-MS analysis showed that addition of ascorbic acid to the medium causes zinc starvation in the cell that leads to the activation of the AdcR regulon. This SuperSeries is composed of the SubSeries listed below.

2015-01-21 | GSE64107 | GEO

Ascorbic acid reprogrames epigenome and epitranscriptome by recycling Fe (III) into Fe (II) in the catalytic cycle of dioxygenases (m6A)

Project description:Ascorbic acid has been reported to stimulate DNA iterative oxidase TET enzymes, Jumonji C-domain-containinghistone demethylase and potentially RNA m6A demethylase FTO and ALKBH5 as a cofactor. Although ascorbic acid has been widely investigated in reprogramming DNA and histone methylation status in vitro, in cell lines and mouse models, its specific role in the catalytic cycle of dioxygenases remains enigmatic. Here we systematically investigated the stimulation of ascorbic towards TET2, ALKBH3, histone demethylases and FTO. We find that ascorbic acid reprograms epitranscrip-tome by erasing the hypermethylated m6A sites. Biochemistry and Electron spin resonance (ESR) assays demonstrate that ascorbic acid enters the active pocket of dioxygenases, reduces Fe (III), either incorporated upon protein synthesis or generated upon rebounding the hydroxyl radical during oxidation, into Fe (II). Finally, we propose a new model for the catalytic cycle of dioxygenases by adding in the essential dynamic cofactor, ascorbic acid. Ascorbic acid refreshes and regenerates inactive dioxygenase through recycling Fe (III) into Fe (II) in a dynamic “hit-and-run” manner.

2024-02-01 | GSE242758 | GEO

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