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N6-methyladenosine (m6A) modification in HaCaT cells (immortalized human keratinocyte cell line) treated with STM2457 in the presence or absence of M5 (inflammatory factor cocktail) stimulation [MeRIPseq_KC]

ABSTRACT: N6-methyladenosine (m6A) modification in HaCaT cells (immortalized human keratinocyte cell line) treated with STM2457 in the presence or absence of M5 (inflammatory factor cocktail) stimulation [MeRIPseq_KC]

PROVIDER: PRJNA1118668 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR29244936_1.fastq.gz	Fastqsanger.gz
	SRR29244936_2.fastq.gz	Fastqsanger.gz
	SRR29244937_1.fastq.gz	Fastqsanger.gz
	SRR29244937_2.fastq.gz	Fastqsanger.gz
	SRR29244938_1.fastq.gz	Fastqsanger.gz

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N6-methyladenosine (m6A) modification in HaCaT cells (immortalized human keratinocyte cell line) treated with STM2457 in the presence or absence of M5 (inflammatory factor cocktail) stimulation [MeRIPseq_KC]

Project description:We conducted an analysis of N6-methyladenosine (m6A) modifications in HaCaT cells, an immortalized human keratinocyte cell line, following treatment with METTL3 inhibitor, STM2457, under conditions of either M5 (inflammatory factor cocktail) stimulation or its absence. The primary aim of this investigation was to establish a molecular framework elucidating the role of m6A modifications in modulating the functional dynamics of keratinocytes within an inflammatory milieu.

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Protein dataset of immortalized HaCaT cells p53 knock down HaCaT keratinocytes

Project description:The p53 protein is encoded by TP53 gene and plays the key role in significant number of cellular processes including proliferation, apoptosis and regulation of many stress response pathways. P53 acts like a direct transcription activator of numerous genes regulating cell cycle arrest, DNA repair, growth inhibition and many others (Mollereau and Ma, 2014). The canonical biological function of p53 is maintaining genome integrity via elimination of damaged or exposed to genotoxic stress cells. Immortalized HaCaT cells are widely used for keratinocyte research, since they maintain stable keratinocyte phenotype, have nearly unlimited proliferative potential, do not require specific growth and differentiation factors (Colombo et al., 2017). Also, HaCaT cells produce typical differentiation markers such as cytokeratins K14 and K10, involucrin (Colombo et al., 2017) and respond to keratinocyte differentiation stimuli. Taking together, HaCaT cells have similar to normal human keratinocytes (NHK) properties, however, as many of spontaneously immortalized cell lines HaCaT cells bear two mutant p53 alleles - R282Q and H179Y (Lehman et al., 1993). Mutp53 in HaCaT has an increased affinity to other p53 family members (p63, p73), which significantly expands p53 properties. Moreover, mutp53 indirectly affects specific target genes via protein-protein interactions with other transcription factors (NF-Y, E2F1, NF-KB) or by tethering p63 to new promotor locations. For more detailed investigation of mutp53 impact on various processes in HaCaT cells we performed a shRNA mediated knockdown of mutp53. For generation of stable TP53 knockdown we employed plasmid vector pLKO-p53-shRNA-941 (Addgene # #25637) followed by puromycin selection of transduced cells. Here we present proteomic dataset obtained from wild type HaCaT cells and p53 knock down HaCaT keratinocytes.

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Influence of alkyl-phospholipids on the gene expression profile of immortalized keratinocytes HaCaT

Project description:New alkyl-phospholipids (APLs) that are structurally derived from the platelet-activating factor are promising candidates for anticancer treatment. After the incorporation into cell membranes, APLs are able to interfere with a wide variety of key enzymes implicated in cell growth, motility, invasion and apoptosis. Besides the prototype edelfosine, we presented a novel group of APLs, glycosidated phospholipids that efficiently inhibit cell proliferation. Two members of this group, Ino-C2-PAF and Glc-PAF, display high efficacy and low cytotoxicity in immortalized non-tumorigenic skin keratinocyte cell line HaCaT. However, the influence of APLs on the transcription of the whole genome is still unknown. Here, using Agilent cDNA microarray technology, we compared global gene expression profiles of HaCaT cells treated with edelfosine, Ino-C2-PAF or Glc-PAF with the profile of control cells. The influence of APLs on the transcriptional profile of immortalized keratinocytes (HaCaT) was analyzed treating HaCaT cells with respectively 5 M-BM-5M Ino-C2-PAF, Glc-PAF and edelfosine for 24 h. Control cells were left untreated. Three independent experiments were performed for each condition.

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Project description:We transfected keratinocytes cell line (HaCaT cells) with si-NC and si-eIF4E, and added M5 into the cell culture medium to reveal the function of eIF4E in the in vitro psoriasis cell model.

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Project description:Cell density affects keratinocyte behaviors and gene expression. Here, We examines the differential expressed genes regulated by cell density. We performed RNA-seq analysis to compare HaCaT cells cultured under high- or low0density conditions. The Gene Ontology Biological Process terms enriched among differential expressed genes through DESeq2 included cell adhesion and keratinocyte differentiation. Our data provides the understanding of keratinocyte behavior regulated by cell density.

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Project description:Immortalized keratinocytes HaCaT is popular model for skin research (toxicity, irritation, allergic reactions or interaction of cells). They maintain stable keratinocyte phenotype and respond to keratinocyte differentiation stimuli. However, the programs of stratification and expression of differentiation markers in HaCaT keratinocytes are aberrant. HaCaT cells bear two mutant p53 alleles (R282Q and H179Y) which contain Gain-of-Function (GOV) mutations acquired as a result of spontaneous immortalization (mutp53). At the same time, mutp53 acts as a transcription factor, and also affects interaction of p63 protein with its transcription targets. It is known that proteins of the P53 family play an important role in regulating processes of proliferation and differentiation of human keratinocytes.At the same time, the role of mutp53 in these processes is not fully clear. We present data sets obtained as a result of high-performance proteomic analysis of immortalized HaCaT keratinocytes with p53 knockout in two different states: sub-confluent and confluent, which are characterized by different intensity of cell differentiation processes. As a protocol for proteomic profiling of cells, we used the approach of obtaining LC-MS/MS measurements followed by their processing with Progenesis LC-MS software (Nonlinear Dynamics Ltd.)

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Project description:Aim of the study was to characterize at a molecular level (changes in transcriptomes) the effect of monosodium urate crystal (MSU) on HaCaT keratinocyte cell line. This was adressed by using a culture model. The HaCaT cell line (human keratinocytes) was stimulated by MSU (1mg/mL) vs control for 12 hrs. By using genome-wide expression profiling, we identified deregulation of functionally relevant gene networks. HaCaT were obtained from Cell Lines Service (Eppelheim, Germany) and grown in DMEM medium (PAN biotech, Aidenbach, Germany) supplemented with 10% FBS (Life Technology, Grand Island, NY, USA), L-glutamine and non-essential amino acid. Before the treatment HaCaT cells were cultured in serum-free medium for 12hrs. HaCaT were treated with MSU (1mg/ml) vs DMEM control for 12hrs then submitted to RNA extration and gene expression profiling. Triplicate experiments were performed: HaCaT control (n=3), MSU-treated (n=3).

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