Observational studyMedicine2014
Association of pyoderma gangrenosum, acne, and suppurative hidradenitis (PASH) shares genetic and cytokine profiles with other autoinflammatory diseases.
Observational study in Medicine, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 47 papers, 3 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
47 citing papers in PubMed, 3 syntheses or guidelines pooled it, 138 citations in OpenAlex.
- European S2k guidelines for hidradenitis suppurativa/acne inversa part 2: Treatment.Journal of the European Academy of Dermatology and Venereology : JEADV · 2025Guideline
- Follicular Skin Disorders, Inflammatory Bowel Disease, and the Microbiome: A Systematic Review.International journal of molecular sciences · 2024Pooled it
- The Burden of Hidradenitis Suppurativa Signs and Symptoms in Quality of Life: Systematic Review and Meta-Analysis.International journal of environmental research and public health · 2021Pooled it
- An in-depth review on antimicrobial efficacy of melittin in vivo.World journal of microbiology & biotechnology · 2026Review
- The Role of Inflammatory Biomarkers in Disease Severity and Treatment Response across Psoriasis, Atopic Dermatitis, and Hidradenitis Suppurativa-A Narrative Review.Dermatology and therapy · 2026Review
- Pyoderma gangrenosum, acne, and hidradenitis suppurativa (PASH) syndrome treated with upadacitinib.JAAD case reports · 2026Article
- Dissecting Cellulitis of the Scalp: Linking Pathogenesis to Therapy.Biomedicines · 2026Review
- Serum Dysregulation of IL-36, IL-37, and IL-38 in Pyoderma Gangrenosum: Clinical Correlations and Implications for IL-36R-Targeted Therapy.International journal of molecular sciences · 2025Article
- Analysis of genes involved in immune response in children with HLH - case series.Pediatric rheumatology online journal · 2025Article
- Unravelling the Link Between Hidradenitis Suppurativa and Inflammatory Bowel Disease: A Literature Review.Biomedicines · 2025Review
- A Patient With Concurrent Hidradenitis Suppurativa and Porokeratosis Palmaris et Plantaris Disseminata: Case Report and Review of Autoinflammatory Keratinization Diseases.Journal of cutaneous pathology · 2025Review
- Ηidradenitis suppurativa associated with autoimmunity in children and adolescents; a case-based review.Rheumatology international · 2025Review
- Gasdermin D-dependent neutrophil extracellular traps exacerbate cytokine storm contributing to pyoderma gangrenosum pathogenesis.iScience · 2025Article
- The Role of IL-17 in Systemic Autoinflammatory Diseases: Mechanisms and Therapeutic Perspectives.Clinical reviews in allergy & immunology · 2025Review
- A complex case of PASH syndrome: pyoderma gangrenosum, acne, suppurative hidradenitis, and Crohn's disease in a 36-year-old smoker.Annals of medicine and surgery (2012) · 2024Article
- Comprehensive Catalog of Variants Potentially Associated with Hidradenitis Suppurativa, Including Newly Identified Variants from a Cohort of 100 Patients.International journal of molecular sciences · 2024Article
- The Pathophysiology and Treatment of Pyoderma Gangrenosum-Current Options and New Perspectives.International journal of molecular sciences · 2024Review
- Genetic mutations in pyoderma gangrenosum, hidradenitis suppurativa, and associated autoinflammatory syndromes: Insights into pathogenic mechanisms and shared pathways.The Journal of dermatology · 2024Review
- Emerging Treatments and the Clinical Trial Landscape for Hidradenitis Suppurativa Part I: Topical and Systemic Medical Therapies.Dermatology and therapy · 2023Review
- Article
Corrections and comments
- Erratum issued
- Erratum issued
Authors and funding
12 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The association of pyoderma gangrenosum, acne, and suppurative hidradenitis (PASH) has recently been described and suggested to be a new entity within the spectrum of autoinflammatory syndromes, which are characterized by recurrent episodes of sterile inflammation, without circulating autoantibodies and autoreactive T-cells. We conducted an observational study on 5 patients with PASH syndrome, analyzing their clinical features, genetic profile of 10 genes already known to be involved in autoinflammatory diseases (AIDs), and cytokine expression pattern both in lesional skin and serum. In tissue skin samples, the expressions of interleukin (IL)-1β and its receptors I and II were significantly higher in PASH (P = 0.028, 0.047, and 0.050, respectively) than in controls. In PASH patients, chemokines such as IL-8 (P = 0.004), C-X-C motif ligand (CXCL) 1/2/3 (P = 0.028), CXCL 16 (P = 0.008), and regulated on activation, normal T cell expressed and secreted (RANTES) (P = 0.005) were overexpressed. Fas/Fas ligand and cluster of differentiation (CD)40/CD40 ligand systems were also overexpressed (P = 0.016 for Fas, P = 0.006 for Fas ligand, P = 0.005 for CD40, and P = 0.004 for CD40 ligand), contributing to tissue damage and inflammation. In peripheral blood, serum levels of the main proinflammatory cytokines, that is, IL-1β, tumor necrosis factor-α, and IL-17, were within the normal range, suggesting that in PASH syndrome, the inflammatory process is mainly localized into the skin. Four out of our 5 PASH patients presented genetic alterations typical of well-known AIDs, including inflammatory bowel diseases, and the only patient lacking genetic changes had clinically evident Crohn disease. In conclusion, overexpression of cytokines/chemokines and molecules amplifying the inflammatory network, along with the genetic changes, supports the view that PASH syndrome is autoinflammatory in origin.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.