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Differentially expressed genes in wt and Nrf3-ko mouse keratinocytes before and after 24 h 100 mJ/cm2 UVB irradiation

ABSTRACT: Differentially expressed genes in wt and Nrf3-ko mouse keratinocytes before and after 24 h 100 mJ/cm2 UVB irradiation

PROVIDER: PRJNA941802 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR23725076.fastq.gz	Fastqsanger.gz
	SRR23725077.fastq.gz	Fastqsanger.gz
	SRR23725078.fastq.gz	Fastqsanger.gz
	SRR23725079.fastq.gz	Fastqsanger.gz
	SRR23725080.fastq.gz	Fastqsanger.gz

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Differentially expressed genes in wt and Nrf3-ko mouse keratinocytes before and after 24 h 100 mJ/cm2 UVB irradiation

Project description:We identified a pro-apoptotic function of Nrf3 in keratinocytes after UVB irradiation. To determine the underlying mechanism of action we wanted to compare the transcriptome of wt and Nrf3-ko mouse keratinocytes before and after 24 h 100 mJ/cm2 UVB irradiation

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Next Generation Sequencing Facilitates Quantitative Analysis of UVB(20mJ/cm2 and 40mJ/cm2) exposed and untreated HaCaT keratinocytes Transcriptomes

Project description:Purpose: To compare the transcriptomes of UVB (20mJ/cm2 and 40mJ/cm2) exposed and untreated HaCaT keratinocytes by RNA-Seq analysis, trying to find differences in gene expression between UVB exposed and untreated of keratinocytes and then elucidate the candidate genes that may play important roles in the differentiation of UVB-induced damage in keratinocytes. Methods: HaCaT keratinocytes were subjected to 20mJ/cm2 and 40mJ/cm2 UVB irradiation. Results: To better understand the effects of UVB (20 mJ/cm2), mRNA-sequecing (n=3) were completed by Novogene Inc. A total 891 differentially expressed genes (DEGs) were identified between UV group and control group with 604 down-regulated and 287 up-regulated. A total of 4036 differentially expressed genes (DEGs) which compared with untreated group were identified by RNA-Seq, which provided abundant data for further analysis.

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2015-01-16 | E-GEOD-65034 | biostudies-arrayexpress

The miRNA microarray data after UVB exposure to human keratinocyte HaCaT cells

Project description:UVB plays a key role in inflammation and DNA damage in human skin. Human keratinocyte HaCaT cells were utilized to determine the up- and down-regulated miRNA after UVB exposure. We used microarrays to identify the miRNA affected after UVB (15 mJ/cm^2) exposure to HaCaT cells

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Next Generation Sequencing Facilitates Quantitative Analysis of UVB(20mJ/cm2 and 40mJ/cm2) exposed and untreated HaCaT keratinocytes Transcriptomes

Project description:Next Generation Sequencing Facilitates Quantitative Analysis of UVB(20mJ/cm2 and 40mJ/cm2) exposed and untreated HaCaT keratinocytes Transcriptomes

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Project description:Analysis of gene expression in mouse lens epithelium with or without UVB-irradiation in mouse eye lens. Results provide insight into a role for the respons to UVB-irradiation in lens epithelial cells.

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Differentially expressed genes in SCC13 NRF3-KO cells and SCC13 cells that re-express endogenous concentrations of recombinant NRF3

Project description:We identified a tumor-suppressing function of NRF3 in skin cancer. To determine the underlying mechanism of action we wanted to compare the transcriptome of SCC13 NRF3-KO cells and SCC13 cells that re-express endogenous concentrations of recombinant NRF3.

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The effects of UVB and the organic osmolyte betaine on rat epidermal keratinocytes in an organotypic culture system

Project description:Betaine (trimethylglycine) is a non-toxic, highly water-soluble organic osmolyte widely used in skin care due to its assumed moisturizing and protective properties, but only few studies have addressed its specific effects in skin. Here, the cellular and molecular targets of betaine were analyzed by genome-wide expression analysis in organotypic cultures of rat epidermal keratinocytes (REK). In this model, we also examined whether betaine modifies the impacts of acute UVB exposure. The expression of several genes relevant to epidermal biology, proliferation/differentiation or malignancy as well as solute transport were verified by independent methods (qRT-PCR, western blotting). The data concerning changes in calcium metabolism after UVB exposure has been published separately (Bart et al., Br. J. Dermatol. 171:376-387, 2014). Organotypic cultures of rat epidermal keratinocytes (REK) were prepared by plating cells on a collagen-coated insert (submerged in medium), lifting the confluent cell layer to the air-liquid interface 3 days after plating. These 3D cultures were divided in four treatment groups with three replicates in each: control, betaine (10 mM), UVB (30 mJ/cm2) and betaine + UVB. Betaine was added to the cultures for 11 days, starting from day 4 until sample collection. UVB exposure was performed 24 h prior to sample collection for 2-week-old 3D cultures with a well-formed epidermal layer. For further details on the experimental set-up and characteristics of the UV source, please refer to Bart et al. (Br. J. Dermatol. 171:376-387, 2014) and Rauhala et al. (J. Biol. Chem. 288:17999-18012, 2013).

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