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Positionally distinct interferon-stimulated dermal immune-acting fibroblasts promote neutrophil recruitment in Sweet's syndrome.

ABSTRACT: Positionally distinct interferon-stimulated dermal immune-acting fibroblasts promote neutrophil recruitment in Sweet's syndrome.

PROVIDER: PRJNA1273167 | ENA |

REPOSITORIES: ENA

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Positionally distinct interferon-stimulated dermal immune-acting fibroblasts promote neutrophil recruitment in Sweet's syndrome [Nanostring CosMx SMI spatial transcriptomics]

Project description:Sweet’s syndrome is a poorly understood inflammatory skin disease characterized by neutrophil infiltration to the dermis. Single-nucleus and bulk transcriptomics of archival clinical samples of Sweet’s syndrome revealed a prominent interferon signature in Sweet’s syndrome skin that was reduced in tissue from another neutrophilic dermatosis, pyoderma gangrenosum, as well as healthy controls. This signature was observed in different subsets of cells, including fibroblasts that expressed interferon-induced genes. Functionally, this response was supported by analysis of cultured primary human dermal fibroblasts that were observed to highly express neutrophil chemokines in response to activation by type I interferon. Furthermore, single-molecule resolution spatial transcriptomics of skin in Sweet’s syndrome identified positionally distinct immune-acting fibroblasts that included a CXCL1+ subset proximal to neutrophils and a CXCL12+ subset distal to the neutrophilic infiltrate. This study defines the cellular landscape of neutrophilic dermatoses and suggests dermal immune-acting fibroblasts play a role in the pathogenesis of Sweet’s syndrome through recognition of type I interferons.

2025-08-22 | GSE297091 | GEO

Positionally distinct interferon-stimulated dermal immune-acting fibroblasts promote neutrophil recruitment in Sweet’s syndrome [snRNA-seq]

Project description:Positionally distinct interferon-stimulated dermal immune-acting fibroblasts promote neutrophil recruitment in Sweet’s syndrome [snRNA-seq]

| PRJNA1276539 | ENA

Positionally distinct interferon-stimulated dermal immune-acting fibroblasts promote neutrophil recruitment in Sweet's syndrome [RNA-seq]

Project description:Positionally distinct interferon-stimulated dermal immune-acting fibroblasts promote neutrophil recruitment in Sweet's syndrome [RNA-seq]

| PRJNA1271773 | ENA

Positionally distinct interferon-stimulated dermal immune-acting fibroblasts promote neutrophil recruitment in Sweet's syndrome [Nanostring CosMx SMI spatial transcriptomics]

Project description:Positionally distinct interferon-stimulated dermal immune-acting fibroblasts promote neutrophil recruitment in Sweet's syndrome [Nanostring CosMx SMI spatial transcriptomics]

| PRJNA1262493 | ENA

Positionally distinct interferon stimulated dermal immune acting fibroblasts promote neutrophil recruitment in Sweet's syndrome.

Project description:Sweet's syndrome is a poorly understood inflammatory skin disease characterized by neutrophil infiltration to the dermis. Single-nucleus and bulk transcriptomics of archival clinical samples of Sweet's syndrome revealed a prominent interferon signature in Sweet's syndrome skin that was reduced in tissue from other neutrophilic dermatoses. This signature was observed in different subsets of cells, including fibroblasts that expressed interferon-induced genes. Functionally, this response was supported by analysis of cultured primary human dermal fibroblasts that were observed to highly express neutrophil chemokines in response to activation by type I interferon. Furthermore, single-molecule resolution spatial transcriptomics of skin in Sweet's syndrome identified positionally distinct immune acting fibroblasts that included a CXCL1+ subset proximal to neutrophils and a CXCL12+ subset distal to the neutrophilic infiltrate. This study defines the cellular landscape of neutrophilic dermatoses and suggests dermal immune acting fibroblasts play a role in the pathogenesis of Sweet's syndrome through recognition of type I interferons.

| S-EPMC11230187 | biostudies-literature

IL-17 activates dermal reticular fibroblasts to promote neutrophil recruitment and host defense [scRNAseq]

Project description:The complex system by which the skin regulates immune responses to the external environment is unclear. Here, we investigated cell-cell interactions underlying cutaneous defense against S. aureus. Single-cell transcriptomics (scRNA-Seq) and unbiased network analysis revealed unexpected, dominant IL-17-mediated dermal reticular fibroblast-to-neutrophil communication. Multi-faceted in vitro omics studies demonstrated that IL-17 synergized with several factors including TNF⍺ to induce fibroblast NFKBIZ and chemokine secretion. Cultured fibroblasts drove robust neutrophil recruitment through NFKBIZ-dependent CXCR2 and CXCR4 ligands. Mice lacking IL-17R in fibroblasts (PdgfraΔIl17ra) were generated to determine the significance of fibroblast-neutrophil communication. PdgfraΔIl17ra mice exhibited drastically reduced skin neutrophilia in multiple disease models and reduced defense against S. aureus. These findings were translated to humans by comprehensive analysis of biopsies from psoriasis patients on and off anti-IL-17 treatment. Thus, dermal fibroblasts are critical for skin type 17 inflammation and represent a novel target for treatment of infection and inflammatory disease.

2024-02-15 | GSE230512 | GEO

IL-17 activates dermal reticular fibroblasts to promote neutrophil recruitment and host defense [RNAseq]

2024-02-14 | GSE230511 | GEO

Positionally distinct interferon-stimulated dermal immune-acting fibroblasts promote neutrophil recruitment in Sweet's syndrome.

Project description:This SuperSeries is composed of the SubSeries listed below.

2025-08-22 | GSE299256 | GEO

IL-17 activates dermal reticular fibroblasts to promote neutrophil recruitment and host defense

Project description:IL-17 activates dermal reticular fibroblasts to promote neutrophil recruitment and host defense

| PRJNA961668 | ENA

Integrated pathways for neutrophil recruitment and inflammation in leprosy

Project description:Neutrophil recruitment is pivotal to host defense against microbial infection, but also contributes to the immunopathology of disease. We investigated the mechanism of neutrophil recruitment in human infectious disease by bioinformatic pathways analysis of the gene expression profiles in the skin lesions of leprosy. In erythema nodosum leprosum (ENL), which occurs in patients with lepromatous leprosy (L-lep), and is characterized by neutrophil infiltration in lesions, the most overrepresented biologic functional group was “cell movement” including E-selectin, which was coordinately regulated with IL-1. In vitro activation of TLR2, upregulated in ENL lesions, triggered induction of IL-1, which together with IFN-, induced E-selectin expression on, and neutrophil adhesion to endothelial cells. Thalidomide, an effective treatment for ENL, inhibited this neutrophil recruitment pathway. The gene expression profile of ENL lesions comprised an integrated pathway of TLR2/FcR activation, neutrophil migration and inflammation, providing insight into mechanisms of neutrophil recruitment in human infectious disease. 6 ENL skin lesions and 7 Lepromatous leprosy skin lesions

2009-06-30 | E-GEOD-16844 | biostudies-arrayexpress

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