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Primary atopic disorders are a group of inborn errors of immunity that skew the immune system toward severe allergic disease. Defining the biology underlying these extreme monogenic phenotypes reveals shared mechanisms underlying common polygenic allergic disease and identifies potential drug targets. Germline gain-of-function (GOF) variants in JAK1 are a cause of severe atopy and eosinophilia. Modeling the JAK1GOF (p.A634D) variant in both zebrafish and human induced pluripotent stem cells (iPSCs) revealed enhanced myelopoiesis. RNA-Seq of JAK1GOF human whole blood, iPSCs, and transgenic zebrafish revealed a shared core set of dysregulated genes involved in IL-4, IL-13, and IFN signaling. Immunophenotypic and transcriptomic analysis of patients carrying a JAK1GOF variant revealed marked Th cell skewing. Moreover, long-term ruxolitinib treatment of 2 children carrying the JAK1GOF (p.A634D) variant remarkably improved their growth, eosinophilia, and clinical features of allergic inflammation. This work highlights the role of JAK1 signaling in atopic immune dysregulation and the clinical impact of JAK1/2 inhibition in treating eosinophilic and allergic disease.
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http://dx.doi.org/10.1172/jci.insight.150849 | DOI Listing |
Eur J Oral Sci
September 2025
State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, People's Re
Oral lichen planus (OLP) is a chronic inflammatory disease of unknown aetiology, which is an oral potentially malignant disorder. Many investigators suggest that OLP may be a localized autoimmune response caused by cell-mediated autoimmunity to basal cells. However, it remains unclear whether allergens play a role in the pathogenesis of OLP.
View Article and Find Full Text PDFInt Immunopharmacol
September 2025
Clinical Research Center, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi 214023, China. Electronic address:
Allergic diseases, characterized by complex pathological mechanisms involving immune dysregulation and chronic inflammation, impose a substantial burden on global health. The Hippo signaling pathway, a highly conserved regulator of cell proliferation, apoptosis, immune homeostasis, and tissue repair, has recently emerged as a pivotal player in allergic disease pathogenesis. This review synthesizes current knowledge on the core components and physiological functions of the Hippo pathway, elucidates its mechanistic roles in major allergic disorders-including allergic asthma, allergic rhinitis, atopic dermatitis, and food allergies-and evaluates the therapeutic potential of targeting this pathway.
View Article and Find Full Text PDFJ Allergy Clin Immunol
September 2025
National Heart and Lung Institute, Imperial College London, London, United Kingdom; Frankland and Kay Allergy Centre, UK NIHR Imperial Biomedical Research Centre, United Kingdom.
Recent advancements in genomics and "omic" technologies have ushered in a transformative era referred to as personalized or precision medicine. This innovative approach considers the unique genetic profiles of individuals, along with a range of variability factors, to devise tailored disease treatments and prevention strategies that cater to the distinct needs of each patient. Although the terms personalized medicine and precision medicine are frequently utilized interchangeably, it is essential to delineate the subtle distinctions between them.
View Article and Find Full Text PDFPediatr Allergy Immunol
September 2025
Center for Digital Health, Medical Science Research Institute, Kyung Hee University Medical Center, Kyung Hee University College of Medicine, Seoul, South Korea.
Background: Residential greenness is an important environmental factor potentially influencing the development of allergic diseases in adolescents; however, its impact remains understudied in South Korea. This study aimed to examine the association between residential greenness and allergic disease prevalence using nationally representative data.
Method: We analyzed data from 1,130,598 adolescents (7-12th grade) participating in the Korean Youth Risk Behavior Web-based Survey (2007-2024).
J Allergy Clin Immunol Pract
September 2025
Associate Professor of Medicine, Medical Director of Clinical Asthma Research, Division of Allergy, Pulmonary, and Critical Care Medicine, Vanderbilt University Medical Center. Electronic address:
Asthma and allergic diseases are heterogeneous conditions driven by complex immunological pathways, with type 2 (T2) inflammation being a key but not exclusive component. Advances in immunology have spurred interest in a breadth of mechanisms and innovative therapeutic strategies, including novel targets, extended dosing intervals, and combined-target therapies. This clinical commentary provides a critical overview of ongoing clinical trials and emerging evidence supporting the use of these therapies in asthma and other allergic conditions.
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