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Interleukin-4 and interleukin-13 cytokines effect on epidermal keratinocytes

ABSTRACT: Analysis of cultured epidermal keratinocytes treated with interleukin-4 (IL-4) and interleukin-13 (IL-13). IL-4 and IL-13 are up-regulated in atopic dermatitis. Results provide insight into the role of IL-4 and IL-13 cytokines in the pathogenesis of atopic dermatitis. Analysis of epidermal keratinocytes transfected with dual oxidase 1 (DUOX1) siRNA knockdown before treatment with IL-4 and IL-13. DUOX1 is one of the NOX family members of NADPH oxidases whose primary function is ROS generation. Results provide insight into the role of the incraesed expression of DUOX1 in IL-4/IL-13-treated NHEK for IL4/IL13 signaling.

ORGANISM(S): Homo sapiens

PROVIDER: GSE20706 | GEO | 2010/10/31

SECONDARY ACCESSION(S): PRJNA124901

REPOSITORIES: GEO

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Interleukin-4 and interleukin-13 cytokines effect on epidermal keratinocytes

Project description:Analysis of cultured epidermal keratinocytes treated with interleukin-4 (IL-4) and interleukin-13 (IL-13). IL-4 and IL-13 are up-regulated in atopic dermatitis. Results provide insight into the role of IL-4 and IL-13 cytokines in the pathogenesis of atopic dermatitis. Analysis of epidermal keratinocytes transfected with dual oxidase 1 (DUOX1) siRNA knockdown before treatment with IL-4 and IL-13. DUOX1 is one of the NOX family members of NADPH oxidases whose primary function is ROS generation. Results provide insight into the role of the incraesed expression of DUOX1 in IL-4/IL-13-treated NHEK for IL4/IL13 signaling. IL-4 and IL-13 induced gene expression in human epidermal keratinocytes (NHEK) was measured at 48 hours. Gene expression in NHEK tranfected with 10 nM DUOX1 siRNA followed by treatment with 100 ng/ml IL-4 and 100 ng/ml IL-13 was measured at 48 hours. Three independent experiments were performed using different strains for each experiment.

2010-10-31 | E-GEOD-20706 | biostudies-arrayexpress

Profiling of genes expressed in cultured human keratinocytes established from the bulge region of hair follicles.

Project description:We established a culture method of human keratinocytes from the bulge region of a plucked hair follicle, that contains multipotent epithelial stem cells with high proliferative potential. Using our method, keratinocyte cultures were successfully obtained from all subjects without invasive skin biopsies. We compared the gene expression profiles between the cultured keratinocytes derived from human hair-follicle-bulge (bulgeM-bM-^@M-^Sderived keratinocytes; BDKs) and neonatal human epidermal keratinocytes (NHEKs), and between BDKs from donors with atopic dermatitis and non-atopic controls using microarray analysis. Keywords: expressin profiling Two cell cultures, BDK vs. NHEK cells. 18 BDKs; derived from eighteen healthy volunteers , 6 NHEKs; purchased from Kurabo (Osaka, Japan). One replicate per array.

2013-02-05 | E-GEOD-13709 | biostudies-arrayexpress

Proteomic analysis of small extracellular vesicles (sEVs) derived from primary keratinocytes cultured in different calcium concentrations, treated with a peanut allergen extract and atopic dermatitis (AD)-relevant cytokines

Project description:Epidermal keratinocytes are key for maintenance of the integrity of the epidermis. One of the main drivers of keratinocyte differentiation is the calcium gradient; calcium concentration gradually increases towards the outer layers of the epidermis. Atopic dermatitis (AD) is a disorder associated with a chronic inflammatory state and a compromised epidermal barrier. Keratinocytes secrete lipid-rich small extracellular vesicles (sEVs) that acts as mediators of both local and long-distance signaling.

2022-06-07 | PXD031729 | Pride

IL-31 regulation of transcripts in skin

Project description:Interleukin-31 (IL-31), a T cells derived cytokine which is mainly produced by CD4+ T cells skewed towards Th2 phenotypes. It signals via a heterodimeric receptors composed of IL-31RA and OSMR that is expressed constitutively in epithelial cells and keratinocytes. IL-31 is shown to play a pathogenic role in allergic and inflammatory diseases. Transgenic mice overexpressing IL-31 have a phenotype similar to atopic dermatitis. Here, we studied the role of IL-31 in skin damage by intradermal administration of recombinant IL-31. Notably, IL-31 was sufficient to increase epidermal basal cell proliferation and thickening of the epidermal layer of skin in mice. Analysis of skin transcriptome indicates a significant increase in the transcripts involved in epidermal cell proliferation and pathological skin remodeling. Thus, our study revealed an important role of IL-31 signaling in activating transcriptional programs involved in the pathophysiology of skin diseases.

2016-03-19 | GSE79403 | GEO

TWEAK mediates inflammation in experimental atopic dermatitis and psoriasis

Project description:Atopic dermatitis and psoriasis are driven by alternate type 2 and type 17 immune responses, but some proteins might be critical to both diseases. We show that a deficiency of the TNF superfamily molecule TWEAK (TNFSF12) in mice results in defective maintenance of atopic dermatitis-specific Th2 and psoriasis-specific Th17 cells in the skin, and impaired expression of disease-characteristic chemokines and cytokines, such as CCL17 and TSLP in atopic dermatitis, and CCL20 and IL-19 in psoriasis. The TWEAK receptor, Fn14, is upregulated in keratinocytes and dermal fibroblasts, and TWEAK induces these cytokines and chemokines alone and in synergy with the signature T helper cytokines of either disease, IL-13 and IL-17. Furthermore, subcutaneous injection of recombinant TWEAK into naïve mice induces cutaneous inflammation with histological and molecular signs of both diseases. TWEAK is therefore a critical contributor to skin inflammation and a possible therapeutic target in atopic dermatitis and psoriasis.

2017-05-01 | GSE96957 | GEO

recombinant human epidermal model LC-MS/MS

Project description:Atopic dermatitis (AD) is a serious inflammatory skin disorder characterized by increased levels of proinflammatory cytokines that contribute to a vicious cycle of inflammation. While the in-flammatory recombinant human epidermal (RHE) models related to AD have been established, there is currently lack of comprehensive understanding. To reveal the alterations and identify potential hub genes in AD-related inflammation, related RHE models induced by inflammatory cocktail (polyinosinic-polycytidylic acid, TNF-α, IL-4 and IL-13) are constructed and analyzed through TMT-proteomic in combination with RNA-seq transcriptomic.

2023-08-07 | PXD043085 | Pride

cFLIP prevents TNFR1-dependent lethal dermatitis and TNFR1-independent blockade of epidermal differentiation

Project description:Cellular FLICE-inhibitory protein (cFLIP) prevents the development of dermatitis by blocking TNFα-dependent apoptosis of keratinocytes. However, it is unclear whether TNFα-independent signal might also contribute to the development of dermatitis in epidermis-specific Cflar-deficient (Cflar) mice. Here we show that Cflar;Tnfrsf1a-/- mice were born at the expected Mendelian ratio, but developed severe dermatitis and succumbed soon after birth. While keratinocytes still died by apoptosis, expression of epidermal differentiation markers, such as Loricrin, Filaggrin, and Keratin (Krt)10, but not Krt5 were severely downregulated in the skin of Cflar;Tnfrsf1a-/- mice at both mRNA and protein levels. Conversely, inflammatory cytokines, such as interleukin (IL)-6 and Il17a were elevated in the skin of Cflar ;Tnfrsf1a-/- mice. Treatment of primary keratinocytes with IL-6, to a lesser extent IL-17A suppressed expression of Loricrin, Filaggrin, and Krt10. Together, cFLIP suppresses TNFR1-independent apoptosis of keratinocytes and prevents IL-6-dependent blockade of epidermal differentiation.

2020-04-01 | GSE99379 | GEO

Genome-wide binding profile of the AhR transcription factor in keratinocytes

Project description:Atopic dermatitis is increasing worldwide, correlating with air pollutions. Various organic components of pollutants activate transcription factor AhR (aryl-hydrocarbon receptor). We have established AhR-CA mice, whose keratinocytes express constitutive-active AhR, and these mice developed atopic dermatitis-like frequent scratching and allergic inflammation. In this study we performed ChIP-seq analyses and identified keratinocyte-specific AhR target genes, including inflammatory cytokines Tslp and IL33, and neurotrophic factor Artemin. While AhR-CA mice exhibited epidermal hyperinnervation and alloknesis leading to hypersensitivity to pruritus, blockade of Artemin alleviated these phenotypes. AhR-CA mice showed scratching-induced barrier insufficiency and enhanced sensitization to epicutaneously-applied antigens, recapitulating human atopic dermatitis. Consistently, AhR activation and Artemin expression was detected in the epidermis of atopic dermatitis patients and keratinocytes exposed to air pollutants. Thus, AhR in keratinocytes senses the environmental stimuli and responds to them through moderating inflammation. We propose a mechanism in which air pollution induces atopic dermatitis through AhR activation.

2016-11-13 | GSE72455 | GEO

AhR links air pollution and atopic dermatitis via Artemin induction

2016-11-13 | GSE72449 | GEO

Profiling of genes expressed in cultured human keratinocytes established from the bulge region of hair follicles.

Project description:We established a culture method of human keratinocytes from the bulge region of a plucked hair follicle, that contains multipotent epithelial stem cells with high proliferative potential. Using our method, keratinocyte cultures were successfully obtained from all subjects without invasive skin biopsies. We compared the gene expression profiles between the cultured keratinocytes derived from human hair-follicle-bulge (bulge–derived keratinocytes; BDKs) and neonatal human epidermal keratinocytes (NHEKs), and between BDKs from donors with atopic dermatitis and non-atopic controls using microarray analysis. Keywords: expressin profiling

2013-02-05 | GSE13709 | GEO

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