Europe PMC

Background Children with psoriasis can develop juvenile psoriatic arthritis. Musculoskeletal ultrasound is a helpful imaging modality in the early recognition of joint inflammation. This pilot study aims to describe clinical and subclinical joint and nail abnormalities in children with psoriasis.Methods Children with psoriasis and healthy controls underwent ultrasound examination of various joints, entheses, and nails. Using a standard acquisition protocol, images were obtained in both B-mode an

Introduction Obesity contributes to inflammation and may decrease psoriasis treatment efficacy. We investigated whether obesity affects the efficacy and safety of tildrakizumab, an anti-interleukin-23 p19 antibody approved for the treatment of adults with moderate-to-severe plaque psoriasis, for scalp psoriasis treatment.Methods This was a subgroup analysis of a randomized, double-blind, placebo-controlled, Phase 3b trial in patients with moderate-to-severe plaque psoriasis affecting the scalp.

Objectives Plaque psoriasis frequently involves high-impact anatomical sites such as the scalp, nails, and palmoplantar regions, which are associated with significant functional impairment and reduced quality of life. Evidence on the long-term effectiveness of biologic therapies in these locations in real-world settings remains limited. This study aimed to evaluate the real-world effectiveness and safety outcomes of risankizumab in achieving complete clearance of psoriasis affecting high-impact

Background Patients with psoriasis (PsO) are at increased risk of developing psoriatic arthritis (PsA). Emerging evidence suggests that biologic therapies may differentially influence the development of PsA; however, there are no data on the relative ability of second-line biological therapy to prevent PsA.Aim To evaluate the impact of biologic therapy on the risk of incident PsA in patients with PsO with a focus on second-line biologic therapy.Methods We identified 2819 patients who initiated b

Background Linear psoriasis is a rare variant of psoriasis characterized by erythema and scaling along the Blaschko lines. Its pathogenesis remains unknown.Objective To investigate the molecular and immunological mechanisms of linear psoriasis through gene mutation analysis and in vitro experiments and identify potential combined therapeutic targets for psoriasis.Methods Whole-exome sequencing was performed on linear lesion, clinically normal skin, and peripheral blood from linear psoriasis pati

IL-36γ is highly expressed in psoriatic skin lesions and promotes neutrophil infiltration through the induction of neutrophil chemotactic chemokines. While IL-36γ has been established to play an important role in the pathogenesis of psoriasis, its localization in the psoriatic epidermis has not been fully elucidated, and the difference in its expression patterns among other inflammatory skin diseases remains unclear. We investigated IL-36γ localization using immunohistochemistry in skin specimen

Psoriasis is a chronic skin disease characterized by keratinocyte hyperproliferation and inflammation, largely driven by the cytokines IL-22 and interferon (IFN)-γ. These cytokines activate the signal transducer and activator of transcription (STAT) 3 and STAT1 molecular pathways, leading to abnormal proliferation, impaired differentiation, and increased production of inflammatory mediators in keratinocytes. While the IL-22/STAT3 pathway primarily promotes de-differentiation in keratinocytes, IF

Objective To quantify sociodemographic differences in the prevalence of diagnosed psoriasis and to evaluate temporal trends in its epidemiologic distribution.Methods Data from the 2003-2006 and 2009-2014 National Health and Nutrition Examination Survey and the 2023-2024 National Health Interview Survey were analyzed. Meta-analysis was performed to determine whether age, sex, race/ethnicity, interview language, marital status, BMI, education, income, and health insurance are independently associa

Psoriasis is a common chronic immune-mediated inflammatory skin disease that presents significant challenges in clinical management. Gentiopicroside (GPS), a bioactive compound derived from Gentiana scabra, has been reported to possess anti-inflammatory and immunomodulatory properties. However, its potential role in the treatment of psoriasis remains unclear. This study aimed to investigate the therapeutic effects of GPS on psoriasis-like dermatitis and elucidate its underlying mechanisms. A pso

Objectives The aim of this study is to describe characteristics of children with the International League of Associations for Rheumatology (ILAR)-defined juvenile idiopathic arthritis (JPsA) and to assess whether more sensitive and specific criteria for defining JPsA can be identified.Methods A retrospective observational multicentre study was conducted including patients with a diagnosis of JPsA according to ILAR criteria. In this population, we identified clusters using as variables the clinic

Psoriasis is a chronic inflammatory skin disease characterized by keratinocyte hyperproliferation and aberrant immune responses. Puerarin (PUE), a natural isoflavone from Pueraria lobata, exhibits multiple pharmacological activities, but its role in psoriasis remains unclear. The M5-induced HaCaT cell model was used to evaluate the effects of PUE on proliferation, apoptosis, and inflammation. Cell viability, proliferation, and apoptosis were assessed by CCK-8, EdU, and flow cytometry, while cyto

Psoriasis is a chronic, immune-mediated disorder with strong genetic susceptibility and environmental triggers, characterized by excessive proliferation of keratinocytes and recruitment of inflammatory cells. Affecting 2-3% of the global population and represents a significant public health challenge. In psoriasis, the skin barrier is altered rather than uniformly enhanced, and its permeability varies with drug types and disease states, which may affect the effective delivery of drugs to affecte

Background Psoriasis is an immune-mediated inflammatory skin condition that is chronic and causes a great deal of disease burden, especially for those affected in their most productive years. Gut microbiota, immune parameters and, in turn, psoriasis symptom improvement have recently been associated with the use of probiotics in several different studies.Objectives This study aims to conduct an umbrella review of systematic reviews and meta-analyses of the effectiveness of probiotic supplementati

Psoriasis is a common chronic inflammatory skin disease with a complex pathogenesis that involves the dysregulation of multiple cellular components and interconnected molecular pathways. Signal transducer and activator of transcription 3 (STAT3) is a key transcription factor that integrates signals from multiple cytokines and growth factors to regulate gene expression involved in cell proliferation, survival, and inflammation. Emerging evidence has shown the pivotal role of STAT3 in driving the

Psoriasis is a common, chronic, inflammatory skin disease that affects many patients and exerts a heavy physical and mental burden. Wogonin (WG), derived from the root extract of Scutellaria Baicalensis, has shown therapeutic effects in a variety of inflammatory diseases. However, its specific effects and mechanisms in psoriasis treatment remain poorly understood. This study aimed to investigate the therapeutic effects and underlying mechanisms of WG in psoriasis. In this study, we first identif

Psoriasis is a chronic immune-mediated inflammatory skin disease characterized by dysregulated keratinocyte proliferation, immune cell infiltration, and systemic comorbidities. Despite the identification of numerous genetic susceptibility loci for psoriasis through genome-wide association studies (GWAS), their functional roles and underlying causal contributions to psoriasis pathogenesis remain largely unclear. Integrating multi-omics data with causal inference approaches, such as Mendelian rand

Introduction Psoriasis is a chronic immune-mediated inflammatory disorder affecting both adults and children worldwide, with an average prevalence of approximately 2%. Recent evidence suggests that several hematological inflammatory parameters and vitamin levels may serve as accessible biomarkers for disease activity and severity assessment.Methods This single-center retrospective case-control study was conducted at Jordan University Hospital using electronic medical record data from January 201

Background Psoriasis is a non-communicable inflammatory skin disease that affects approximately 2%-3% of the world's population. Given its high impact on quality of life and the fact that a subset of patients exhibits suboptimal or secondary loss of response to current treatments, identifying new therapeutic strategies is crucial. Proliferation-associated protein 2G4 (PA2G4) is a transcription factor that has been exclusively studied in cancer research, where it promotes cell growth and enhances

Erythrodermic psoriasis(EP) is a rare, life-threatening variant affecting 75%-90% of the body surface area. Characterized by widespread erythema and potential systemic symptoms like fever and lymphadenopathy, it severely impairs patient quality of life. The pathogenesis of erythrodermic psoriasis is not fully understood. It is a multifactorial, multistep process suspected to result from an abnormal immune response induced by both genetic and environmental factors. Key contributors to erythroderm

Background Psoriasis, a chronic inflammatory skin disease affecting 2-3% of the global population, is driven by dysregulated immune responses. Despite advancements in biologic therapies, treatment challenges persist due to high recurrence rates. This study aimed to identify immune-related hub genes and elucidate their clinical implications in psoriasis pathogenesis and therapy.Methods Multiple microarray datasets from psoriasis patients (GSE30999, GSE106992, GSE14905, GSE78097, and GSE117468) we

The introduction of biosimilars for moderate-to-severe psoriasis treatment has demonstrated comparable efficacy and safety to originator biologics, with the potential to improve cost-effectiveness. We explored the potential for biosimilars to improve access to biologics for psoriasis, especially in low-and-middle-income countries where costs often limit access to originators. The analysis was based on a systematic review conducted as part of the submission process to include adalimumab and ustek

Psoriasis is a relapsing autoimmune disease exacerbated by aberrant interleukin (IL)-17 A activity. Majoon Ushba, a unani polyherbal formulation implicated in clinical cases of psoriasis lacks immunopharmacological validation. The study aims to investigate the pre-clinical efficacy of Majoon Ushba and its therapeutic role in mitigating IL-17A-induced keratinocytes ferroptosis via ablation of JAK-2/STAT-3 pathway. HaCaT cells were stimulated with IL-17A to assess the activation of the JAK-2-STAT-

Objectives There is very limited data regarding atlantoaxial instability (AAI) in patients with psoriatic arthritis (axPsA). In this study, we aimed to contribute to the existing literature on this topic.Methods Adult patients were included in this single-center study who were classified as PsA by the 'CASPAR' criteria and evaluated as having axial involvement according to the 'Calin' criteria. Those with inflammatory or non-inflammatory diseases that could affect the spine were excluded. Electr

This study collected and analyzed clinical data of psoriasis patients to develop and validate a psoriasis relapse risk prediction model. It aims to support early relapse risk assessment in clinical practice and inform the design of preventive interventions. To develop and validate a risk prediction model for psoriasis relapse. A convenience sampling method was used to select 504 psoriasis patients admitted to a tertiary hospital in China between January 2022 and December 2024, including 353 case

Background Lifestyle factors have the potential to enhance well-being and quality of life (QoL). This study aimed to identify lifestyle patterns among UK-based adults with psoriasis and examine associations with QoL.Methods This was a cross-sectional analysis of the 'Asking People with Psoriasis about Lifestyle and Eating' (APPLE) study (n=353). QoL, Body Mass Index (BMI), and physical activity were assessed using the Dermatology Life Quality Index (DLQI), self-reported weight and height, and th