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Gene expression profiling of skin in hidradenitis suppurativa

ABSTRACT: To acquire a better understanding of the molecular pathogenesis of HS, we performed mRNA microarray studies to compare gene expression in lesional skin to healthy skin of HS patients. A significant difference was observed in mRNA expression between lesional and clinically healthy skin of HS patients.

ORGANISM(S): Homo sapiens

PROVIDER: GSE72702 | GEO | 2016/01/11

SECONDARY ACCESSION(S): PRJNA294695

REPOSITORIES: GEO

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Gene expression profiling of skin in hidradenitis suppurativa

Project description:To acquire a better understanding of the molecular pathogenesis of HS, we performed mRNA microarray studies to compare gene expression in lesional skin to healthy skin of HS patients. A significant difference was observed in mRNA expression between lesional and clinically healthy skin of HS patients. Skin biopsy samples (n=30, LS: lesion, NL: non-lesion) were collected at baseline from patients with hidradenitis for RNA extraction and microarray analysis.

2016-01-11 | E-GEOD-72702 | biostudies-arrayexpress

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Project description:Hidradenitis Suppurativa molecular taxonomy and key signaling pathways were studied by whole transcriptome profiling. Dysregulated genes were detected by comparing lesional and non lesional skin obtained from female HS patients and matched healthy controls using the Agilent array platform

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Gene expression profiling of blood in hidradenitis suppurativa

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Gene expression profiling of blood in hidradenitis suppurativa

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Transcriptome-wide analysis of hidradenitis suppurativa

Project description:The aim of this study was to obtain a better understanding of the molecular background of hidradenitis suppurativa (HS). Global transcriptome analysis of lesional and perilesional skin identifies numerous differentially expressed genes that display unique expression pattern in HS. Genes, whose expression is dysregulated in the skin of patients suffering from HS are novel biomarker candidates and potential therapeutic targets for HS.

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Molecular profile of apocrine glands in hidradenitis suppurativa

Project description:Molecular taxonomy and key signaling pathways of apocrine glands of patients with hidradenitis suppurativa were studied by whole transcriptome profiling. Dysregulated genes were detected by comparing lesional and non lesional skin obtained from male and female HS patients using the Agilent array platform.

2020-02-06 | GSE144801 | GEO

IL-17RA blockade by brodalumab hidradenitis suppurativa

Project description:The goal of this study is to characterize the molecular response of HS patients to brodalumab therapy in skin and serum, and to identify biomarkers of treatment response. Ten participants that received 210 mg/1.5mL brodalumab subcutaneously at week 0, 1, 2, 4 and every 2 weeks after were included in this molecular profiling study (NCT03960268). RNA-sequencing of nonlesional, perilesional and lesional HS skin biopsies was assessed.

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Inflammasome activation drives inflammation in hidradenitis suppurativa skin

Project description:Treatment for the debilitating, chronic skin disease hidradenitis suppurativa (HS) is grossly inadequate. A better understanding of its pathogenesis is required to design new therapeutic strategies. Despite an incidence of approximately 1 in 200, HS is underrecognized and underdiagnosed, with a high morbidity and poor quality of life, which may last decades. In this study we first employed single cell RNA sequencing to analyse gene expression in immune cells isolated from HS lesions compared with healthy control skin. We identified 30 unique immune cell clusters, with a significant enrichment in the frequency of plasma cells, Th17 cells and a subset of dendritic cells (DC) in HS skin. These findings were validated by flow cytometry, which revealed a significant increase in infiltrating immune cells in HS skin, including T cells, B cells, neutrophils, dermal macrophages and DC. The sequencing analysis revealed that the immune transcriptome in HS skin was distinct and much more heterogenous, when compared with healthy skin. Genes and pathways associated with Th17 cells and IL-17, IL-1β, and the NLRP3 inflammasome were enhanced in HS skin, particularly in samples with a high inflammatory load. Inflammasome constituent genes principally mapped to Langerhans cells and a subpopulation of DC. A skin explant model showed that culture of HS skin with an NLRP3 inflammasome inhibitor reduced the inflammatory response, with significant reduction of IL-1β and IL-17A as well as other key mediators of inflammation. These data provide a rationale for targeting the IL-17 pathway in HS, particularly upstream at the NLRP3 inflammasome.

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Expression data from skin biopsies of Hidradenitis suppurativa patients

Project description:To increase disease understanding and investigate cell types and pathways active in Hidradenitis suppurativa, skin was collected from patients who had surgical removal of affected skin regions. Blocks of tissue were taken from regions defined as lesional and non-lesional. For comparison blocks of skin were also collected from healty people undergoing plastic surgery

2020-11-17 | GSE148027 | GEO

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Project description:This study investigated the underlying inflammatory pathways and cell types in hidradenitis suppurativa using transcriptomic approaches with RNA sequencing of lesional and non-lesional skin biopsies from hidradenitis suppurativa patients.

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