ArticleArthritis research & therapy2023
Cutaneous lesions in psoriatic arthritis are enriched in chemokine transcriptomic pathways.
Article in Arthritis research & therapy, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 6 citations in OpenAlex.
- A Systemic Immune State Axis Distinguishes Psoriatic Arthritis from Psoriasis.International journal of molecular sciences · 2026Article
- ESCRT-Mimetic Nanodegrader Targets STING for Anti-Inflammatory Therapy.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Disease context dictates the cellular targets of IL-17 in inflammatory skin disease.bioRxiv : the preprint server for biology · 2026Article
- Integrative bioinformatics-machine learning-experimental validation identifies shared immunomodulatory targets in psoriasis and psoriatic arthritis and deciphers allicin's therapeutic mechanism.Naunyn-Schmiedeberg's archives of pharmacology · 2026Article
- CXCL10 secreted by SPRY1-deficient epidermal keratinocytes fuels joint inflammation in psoriatic arthritis via CD14 signaling.The Journal of clinical investigation · 2025Article
- Differences in transcriptional changes in psoriasis and psoriatic arthritis skin with immunoglobulin gene enrichment in psoriatic arthritis.Rheumatology (Oxford, England) · 2024Article
- From PsO to PsA: the role of TFrontiers in medicine · 2024Review
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
objectivesSkin from people with psoriasis has been extensively studied and is assumed to be identical to skin from those with psoriatic arthritis (PsA). Chemokines and the CC chemokine scavenger receptor ACKR2 are upregulated in uninvolved psoriasis. ACKR2 has been proposed as a regulator of cutaneous inflammation in psoriasis. The aim of this study was to compare the transcriptome of PsA skin to healthy control (HC) skin and evaluate ACKR2 expression in PsA skin.
methodsFull-thickness skin biopsies from HC, lesional and uninvolved skin from participants with PsA were sequenced on NovaSeq 6000. Findings were validated using qPCR and RNAscope.
resultsNine HC and nine paired PsA skin samples were sequenced. PsA uninvolved skin was transcriptionally similar to HC skin, and lesional PsA skin was enriched in epidermal and inflammatory genes. Lesional PsA skin was enriched in chemokine-mediated signalling pathways, but uninvolved skin was not. ACKR2 was upregulated in lesional PsA skin but had unchanged expression in uninvolved compared with HC skin. The expression of ACKR2 was confirmed by qPCR, and RNAscope demonstrated strong expression of ACKR2 in the suprabasal layer of the epidermis in PsA lesions.
conclusionChemokines and their receptors are upregulated in lesional PsA skin but relatively unchanged in uninvolved PsA skin. In contrast to previous psoriasis studies, ACKR2 was not upregulated in uninvolved PsA skin. Further understanding of the chemokine system in PsA may help to explain why inflammation spreads from the skin to the joints in some people with psoriasis.
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