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Expression data from mouse skin

ABSTRACT: Winged bean (WB), Psophocarpus tetragonolobus, is a tropical legume, the potential of which is not yet been understood. We found that a 5 week-oral administration of WB seed extract inhibited wrinkle formation induced by repeated tape stripping (TS), which is a model of lichenification in human chronic eczematous dermatitis. To elucidate mechanism of the effect of WB on this model, we applied microarray analysis.

ORGANISM(S): Mus musculus

PROVIDER: GSE28477 | GEO | 2012/03/22

SECONDARY ACCESSION(S): PRJNA139303

REPOSITORIES: GEO

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Expression data from mouse skin

Project description:Winged bean (WB), Psophocarpus tetragonolobus, is a tropical legume, the potential of which is not yet been understood. We found that a 5 week-oral administration of WB seed extract inhibited wrinkle formation induced by repeated tape stripping (TS), which is a model of lichenification in human chronic eczematous dermatitis. To elucidate mechanism of the effect of WB on this model, we applied microarray analysis. Skin barrier was disrupted by repeated application and removal (tape stripping; TS) of cellophane tape on the dorsal skin of the left side. This procedure was started after 1 week-administration of winged bean (WB) extract, and was conducted 3 times per week for 4 weeks. Dorsal skin samples from three experimental groups were used for microarray experiment. These groups were the non-TS (NT), TS, and TS with oral administration of WB extract (TS/WB). The DNA microarray experiment was performed using Affymetrix Mouse Genome 430 2.0 Array.

2012-03-22 | E-GEOD-28477 | biostudies-arrayexpress

Proteomic analysis of tape-stripped actininc keratosis

Project description:This project aims to evaluates Tape Stripping (TS) of stratum corneum (SC) for non-invasive proteomic analysis of AK using mass spectrometry approach.

2018-10-01 | PXD011000 | Pride

Profilig the Atopic Dermatitis Epidermal Transcriptome by Tape Stripping and BRB-seq

Project description:Tape stripping has recently gained use for the study of the transcriptome of atopic dermatitis (AD), a common inflammatory skin disorder characterized by a defective epidermal barrier and perturbated immune response. Here, we performed BRB-seq (a low cost, multiplex-based, transcriptomic profiling technique) to study the epidermal transcriptome of AD patients and healthy controls from tape stripped skin samples.

2022-05-31 | GSE199046 | GEO

The stratum corneum transcriptome in atopic dermatitis can be assessed by tape stripping

Project description:Background: Skin biopsies represent a gold standard in skin immunology and pathology but can cause pain and induce scarring. Non-invasive techniques will facilitate study recruitment of e.g. patients with pediatric atopic dermatitis (AD), hand eczema or facial dermatitis. Objective: By RNA sequencing, we examined whether the stratum corneum transcriptome in AD skin can be assessed by tape stripping, as compared to the epidermal transcriptome of AD in skin biopsies. To make the procedure clinically relevant tape strips were stored and shipped at room temperature for up to 3 days. Methods: Nine adult Caucasian AD patients and three healthy volunteers were included. Tape samples were collected from non-lesional and lesional skin. Biopsies were collected from lesional skin and were split into epidermis and dermis. Total RNA was extracted, and shotgun sequencing was performed. Results: Shotgun sequencing could be performed on skin cells obtained from two consecutive tape strips which had been stored and shipped at room temperature for up to three days. The most prominent differences between the tape strip and biopsy derived transcriptome were due to structural genes, while established molecular markers of AD, including CCL17, CCL22, IL17A and S100A7-S100A9, were also identified in tape strip samples. Furthermore, the tape strip derived transcriptome showed promise in also analysing the skin microbiome. Conclusion: Our study shows that the stratum corneum (SC) transcriptome of AD can be assessed by tape stripping the skin, supporting that this method may be central in future skin biomarker research.

2020-10-31 | GSE160501 | GEO

E-GEOD-28477

Project description:Transcription profiling by array of mouse dorsal skin after tape stripping and treatment with winged bean extract.

2014-07-03 | E-GEOD-28477 | ExpressionAtlas

Profilig the Atopic Dermatitis Epidermal Transcriptome by Tape Stripping and BRB-seq

Project description:Profilig the Atopic Dermatitis Epidermal Transcriptome by Tape Stripping and BRB-seq

| PRJNA818188 | ENA

Comparison of Tape-Stripping Platforms as Non-Invasive Solutions for Skin Biomarker Discovery

Project description:Use of tape stripping for the collection of stratum corneum is a versatile and reliable procedure for the evaluation of the human skin health, including assessments of the skin barrier function, microbial content, and disease biomarkers. The tape stripping procedure is widely referenced; however, the number and type of tapes required for sample collection vary considerably, and the lack of standardized sampling, processing and normalization protocols complicate data comparison and interpretation. We have compared the performances of two commonly used non-invasive skin sampling platforms by collecting skin tissue from 34 healthy volunteers and applying standardization throughout the workflow, from sampling to data analysis. Our results showed significant differences in the amounts of tissue collected per tape, erythema levels, RNA and protein yields. RNA extracts from both platforms were suitable for sequencing; comparable input and quality of reads were produced for both test groups, however significant differences were found in the percentage of uniquely mapped reads and detected genes. This data highlights processing optimization as an important step in maximizing the efficiency of biomolecule extraction from tape strips and further presents a tape stripping method suitable for fast, efficient, and non-invasive epidermal tissue collection applicable to skin biomarker discovery.

2024-04-24 | GSE262827 | GEO

The stratum corneum transcriptome in atopic dermatitis can be assessed by tape stripping

Project description:The stratum corneum transcriptome in atopic dermatitis can be assessed by tape stripping

| PRJNA673403 | ENA

Non-invasive tape-stripping of psoriatic skin with high-resolution RNA profiling

Project description:The objective of this study was to provide a comprehensive evaluation of how well tape-stripping paired with high resolution RNA-sequencing captures the global transcriptomic changes in psoriasis.

2022-01-20 | GSE178197 | GEO

IL22RA2 is a Smad7 target mediating alleviation of dermatitis and psoriatic phenotypes in mice

Project description:Long-term management of inflammatory skin diseases is challenging because of side effects from repeated use of systemic treatments or topical corticosteroids. This study sought to identify novel mechanisms and developmental therapeutics for these diseases using genetic models and pharmacological approaches. We found mice overexpressing Smad7 in keratinocytes, but not mice overexpressing the N-terminal domain of Smad7 (N-Smad7), were resistant to imiquimod (IMQ)-induced Th1/17 and Th2 type inflammation. We generated a truncated Smad7 protein encompassing C-terminal Smad7 and PY motif fused with cell-penetrating Tat peptide (Tat-PYC-Smad7). Topically applied Tat-PYC-Smad7 to inflamed skin entered cells upon contact and attenuated IMQ-, 2,4-dinitrofluorobenzene-induced atopic dermatitis (AD) and tape-stripping inflammation (TS). RNAseq analyses of mouse skin exposed to these insults identified that in addition to inhibiting TGFβ/NFκB, Smad7 blunted IL22/STAT3 activation and associated pathogenesis, which is due to Smad7 transcriptionally upregulating IL22 antagonist IL22RA2. Mechanistically, Smad7 facilitated nuclear translocation and DNA binding of C/EBPβ to IL22RA2 promoter for IL22RA2 transactivation. Consistent to the above observations in mice, transcript levels of IL22RA2 were increased in human atopic dermatitis and psoriasis lesions with clinical remission. Our study identified the anti-inflammation functional domain of Smad7 and suggests mechanism and feasibility for developing Smad7-based biologics as a topical therapy for skin inflammatory disorders.

2023-06-12 | GSE231815 | GEO

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