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RNAseq of epidermis reconstructed from TSG-6-/- and TSG-6+/+ immortalized N/TERT keratinocytes and stimulated or not with interleukins 4 and 13 for 48h

ABSTRACT: RNAseq of epidermis reconstructed from TSG-6-/- and TSG-6+/+ immortalized N/TERT keratinocytes and stimulated or not with interleukins 4 and 13 for 48h

PROVIDER: PRJEB43041 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR5280490_1.fastq.gz	Fastqsanger.gz
	ERR5280490_2.fastq.gz	Fastqsanger.gz
	ERR5280500_1.fastq.gz	Fastqsanger.gz
	ERR5280500_2.fastq.gz	Fastqsanger.gz
	ERR5280510_1.fastq.gz	Fastqsanger.gz

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RNAseq of epidermis reconstructed from TSG-6-/- and TSG-6+/+ immortalized N/TERT keratinocytes and stimulated or not with interleukins 4 and 13 for 48h

Project description:TNFα-stimulated gene 6 (TSG-6) is an anti-inflammatory protein. In human epidermis, TSG-6 is secreted in extracellular matrix where it interacts with hyaluronan (HA). However, their functions are not well understood. In this study, immortalized N/TERT keratinocytes were edited by CRISPR/Cas9, used to reconstruct in vitro epidermis (RHE) and stimulated or not with interleukins 4 and 13 for 48h to mimic atopic dermatitis (AD). Two TSG-6-/- clones (respectively TSG-6-/- (a) and TSG-6-/- (b)) harboring major deletions in both alleles were selected and compared to TSG-6+/+ cells. Epidermis reconstructed from TSG-6-/- (a) and TSG-6-/- (b) exhibit normal differentiation process and morphology but show an increased HA leakage in the underlying culture medium of both TSG-6-/- RHE compared to TSG-6+/+ tissues, especially in conditions that mimic AD. While IL-4/13 treatment of RHE induces regulation of genes associated with AD, the absence of TSG-6 don’t seem to show any major transcriptomic regulation.

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Project description:Our previous studies revealed that exogenous administration of TSG-6 can ameliorate liver fibrosis. We next analyzed liver transcriptome changes after TSG-6 treatment in order to explore possible therapeutic changes.

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Microarray of reconstructed epidermis from skin models made with cells from African and Caucasian Skin type

Project description:The aim of this study was to analyze the in vitro biological epidermal processes occurring in reconstructed skins using cells from breast skin of African and Caucasian skin type color. A exploration of mRNA expression levels in the epidermis of reconstructed skin was undertaken to elucidate the differential in vitro functions of keratinocytes. The reconstruction of skin models was made with keratinocytes and fibroblasts from four different donors per skin type and experiments were conducted in triplicate for each donor. At the end of culture, the epidermis from reconstructed skin was manually separated from the dermal equivalent part in order to analyse gene expression in keratinocytes only. RNA samples were labelled with biotin and hybridation was performed on Affymetrix Human Genome U133 + PM Array Plates.

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