Willis S Bowman, Rebecca J Schmidt, Gursharan K Sanghar, George R Thompson Iii, Hong Ji, Amir A Zeki, Angela Haczku
{"title":"\"Air That Once Was Breath\" Part 1: Wildfire-Smoke-Induced Mechanisms of Airway Inflammation - \"Climate Change, Allergy and Immunology\" Special IAAI Article Collection: Collegium Internationale Allergologicum Update 2023.","authors":"Willis S Bowman, Rebecca J Schmidt, Gursharan K Sanghar, George R Thompson Iii, Hong Ji, Amir A Zeki, Angela Haczku","doi":"10.1159/000536578","DOIUrl":"10.1159/000536578","url":null,"abstract":"<p><strong>Background: </strong>Wildfires are a global concern due to their wide-ranging environmental, economic, and public health impacts. Climate change contributes to an increase in the frequency and intensity of wildfires making smoke exposure a more significant and recurring health concern for individuals with airway diseases. Some of the most prominent effects of wildfire smoke exposure are asthma exacerbations and allergic airway sensitization. Likely due to the delayed recognition of its health impacts in comparison with cigarette smoke and industrial or traffic-related air pollution, research on the composition, the mechanisms of toxicity, and the cellular/molecular pathways involved is poor or non-existent.</p><p><strong>Summary: </strong>This review discusses potential underlying pathological mechanisms of wildfire-smoke-related allergic airway disease and asthma. We focused on major gaps in understanding the role of wildfire smoke composition in the development of airway disease and the known and potential mechanisms involving cellular and molecular players of oxidative injury at the epithelial barrier in airway inflammation. We examine how PM2.5, VOCs, O3, endotoxin, microbes, and toxic gases may affect oxidative stress and inflammation in the respiratory mucosal barrier. We discuss the role of AhR in mediating smoke's effects in alarmin release and IL-17A production and how glucocorticoid responsiveness may be impaired by IL-17A-induced signaling and epigenetic changes leading to steroid-resistant severe airway inflammation.</p><p><strong>Key message: </strong>Effective mitigation of wildfire-smoke-related respiratory health effects would require comprehensive research efforts aimed at a better understanding of the immune regulatory effects of wildfire smoke in respiratory health and disease.</p>","PeriodicalId":13652,"journal":{"name":"International Archives of Allergy and Immunology","volume":" ","pages":"600-616"},"PeriodicalIF":2.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11487202/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140059302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Majie Cataplasm Alleviates Asthma by Regulating Th1/Th2/Treg/Th17 Balance.","authors":"Yuanjun Liu, Haixia Liu, Qi Shao, Hanfen Shi, Fafeng Cheng, Xueqian Wang","doi":"10.1159/000538597","DOIUrl":"10.1159/000538597","url":null,"abstract":"<p><strong>Introduction: </strong>T cells play a critical role in inflammatory diseases. The aim of the present study was to investigate the effects of Majie cataplasm (MJC) on asthma and to propose a possible mechanism involved in this process.</p><p><strong>Methods: </strong>Airway inflammation, infiltration of inflammatory cells, levels of interleukin (IL)-4, IL-10, IL-17, and interferon (IFN)-γ, levels of Th2, Treg, Th17, and Th1 cells, and the expressions of IL-4, IL-10, IL-17, IFN-γ, GATA binding protein 3 (GATA-3), Foxp3, RAR-related orphan receptor gamma (RORγt), and T-bet were detected.</p><p><strong>Result: </strong>MJC treatment reduced lung airway resistance and inflammatory infiltration in lung tissues. MJC treatment also reduced the numbers of eosinophils and neutrophils in the blood and bronchoalveolar lavage fluid (BALF). The levels of IL-4 and IL-17 in the blood, BALF, and lungs were suppressed by MJC, and IFN-γ and IL-10 were increased. Furthermore, MJC suppressed the percentage of Th2 and Th17 and increased the percentage of Th1 and Treg in spleen cells. In addition, MJC can inhibit asthma by increasing expressions of IFN-γ, IL-10, T-bet, and Foxp3, as well as decreasing expressions of IL-4, IL-17, GATA-3, and RORγt.</p><p><strong>Conclusion: </strong>MJC may improve airway hyperresponsiveness and inflammation by regulating Th1/Th2/Treg/Th17 balance in ovalbumin-induced rats. And MJC may be a new source of anti-asthma drugs.</p>","PeriodicalId":13652,"journal":{"name":"International Archives of Allergy and Immunology","volume":" ","pages":"900-909"},"PeriodicalIF":2.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140944905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yilin Hou, Changhui Chen, Zhengqi Li, Tong Lu, Lin Sun, Yi Wei, Jian Li, Weiping Wen
{"title":"Comparing Protein and Gene Expression Signature between Nasal Polyps and Nasal Fluids in Chronic Rhinosinusitis.","authors":"Yilin Hou, Changhui Chen, Zhengqi Li, Tong Lu, Lin Sun, Yi Wei, Jian Li, Weiping Wen","doi":"10.1159/000534226","DOIUrl":"10.1159/000534226","url":null,"abstract":"<p><strong>Introduction: </strong>Chronic rhinosinusitis with nasal polyps (CRSwNP) is a serious inflammatory condition. Nasal fluids (NFs) present a noninvasive alternative to nasal biopsy for studying CRSwNP pathogenesis. We aimed to compare the protein and mRNA inflammation signature between nasal polyps (NPs) and NFs.</p><p><strong>Method: </strong>The performance of polyvinyl alcohol (PVA) sponges and NFs absorbable device (NFAD) for collecting NFs from 20 patients with CRSwNP was compared using the Luminex assay. The other group consisted of four healthy controls and an additional 21 CRSwNP patients (including eosinophilic CRSwNP [ECRSwNP] and non-eosinophilic CRSwNP [NECRSwNP]) for protein quantification by Olink platform and gene expression evaluation by RNA-sequencing. Spearman's analysis was performed to detect correlations between protein expression levels in NFs and clinical assessment variables.</p><p><strong>Results: </strong>NFAD-collected NFs contained at least a 2-fold higher concentration of cytokines than that obtained using PVA sponge, and these cytokines levels are significantly associated with NPs (ρ > 0.45, p < 0.05). Differentially expressed proteins between NFs and NPs were significantly correlated in the ECRSwNP subgroup compared with controls (ρ = 0.41, p < 0.01). Levels of Th2/IL-13, MCP4, and CCL4, characteristic of eosinophilic infiltration, were increased in ECRSwNP patients. A significant correlation between gene and protein expression was observed (ρ = 0.34, p < 0.01). PDL2 levels in NFs were positively correlated with ECRSwNP postoperative recurrence, the nasal VAS, and SNOT-22 scores (ρ > 0.68, p < 0.05 for all).</p><p><strong>Conclusion: </strong>Our study revealed similarities and discrepancies in inflammatory signatures between NPs and NFs in the same CRSwNP patient.</p>","PeriodicalId":13652,"journal":{"name":"International Archives of Allergy and Immunology","volume":" ","pages":"274-285"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10911172/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138459763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Thea von Graffenried, Ekaterina Safroneeva, Christian Braegger, Jessica Ezri, Luca Garzoni, Alexa Giroud Rivier, Thomas Greuter, Henrik Köhler, Valerie A McLin, George Marx, Pascal Müller, Laetitia Marie Petit, Susanne Schibli, Christiane Sokollik, Michela Tempia-Caliera, Marcel Zwahlen, Alain M Schoepfer, Andreas Nydegger
{"title":"Pediatric Patients with Eosinophilic Esophagitis and Their Parents Identify Symptoms as the Most Important Treatment Outcome.","authors":"Thea von Graffenried, Ekaterina Safroneeva, Christian Braegger, Jessica Ezri, Luca Garzoni, Alexa Giroud Rivier, Thomas Greuter, Henrik Köhler, Valerie A McLin, George Marx, Pascal Müller, Laetitia Marie Petit, Susanne Schibli, Christiane Sokollik, Michela Tempia-Caliera, Marcel Zwahlen, Alain M Schoepfer, Andreas Nydegger","doi":"10.1159/000535242","DOIUrl":"10.1159/000535242","url":null,"abstract":"<p><strong>Introduction: </strong>Given the lack of data, we aimed to explore which therapeutic endpoints pediatric patients with eosinophilic esophagitis (EoE) and their parents consider to be relevant.</p><p><strong>Methods: </strong>We created an educational brochure on EoE and a questionnaire, both of which were content-validated by pediatric patients and parents. Validated documents were sent to 112 patients and parents. They ranked the importance (5 levels) of short (during next 3 months) and long-term (≥1 year) treatment effect on symptoms, quality of life, endoscopic inflammation, stricture formation, histological inflammation, and fibrosis.</p><p><strong>Results: </strong>A total of 45 parents and 30 pediatric patients ≥11 years completed the questionnaires. Pediatric patients identified improvement in the following domains as most important in the short- and long-term, respectively: symptoms (73% vs. 77%), QoL (53% vs. 57%), histologic inflammation (47% vs. 50%), histologic fibrosis (40% vs. 33%), endoscopic inflammation (47% vs. 40%), and strictures (33% vs. 40%). Parents of children ≥11 years old classified improvement in the following domains as most important in the short- and long-term, respectively: symptoms (70% vs. 83%), QoL (63% vs. 80%), histologic inflammation (67% vs. 77%), histologic fibrosis (47% vs. 63%), endoscopic inflammation (77% vs. 80%), and strictures (40% vs. 53%). Agreement between caregiver and children on the short-term importance of treatment outcomes was as follows: symptoms (77%), QoL (40%), histologic inflammation and fibrosis (47% and 43%), endoscopic inflammation and strictures (50% and 40%).</p><p><strong>Conclusion: </strong>Pediatric patients and parents attributed most importance to improvement in symptoms and QoL. Agreement between parents and patients regarding therapy goals is limited.</p>","PeriodicalId":13652,"journal":{"name":"International Archives of Allergy and Immunology","volume":" ","pages":"527-535"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140049399","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Cagla Karavaizoglu, Ayse Suleyman, Roza Yavuz Alıc, Kazım Okan Dolu, Esra Yucel, Zeynep Hızlı Demirkale, Sevgi Sipahi Cimen, Cevdet Ozdemir, Zeynep Ulker Tamay
{"title":"Drug Allergy in Children: Adverse Reactions after Skin Testing.","authors":"Cagla Karavaizoglu, Ayse Suleyman, Roza Yavuz Alıc, Kazım Okan Dolu, Esra Yucel, Zeynep Hızlı Demirkale, Sevgi Sipahi Cimen, Cevdet Ozdemir, Zeynep Ulker Tamay","doi":"10.1159/000533641","DOIUrl":"10.1159/000533641","url":null,"abstract":"<p><strong>Introduction: </strong>Skin tests are one of the most widely used diagnostic tools for suspected drug allergies in children. Studies on systemic reactions occurring during skin testing with allergens have mostly been conducted in pediatric and adult patient groups together. However, data on adverse reactions including allergic reactions after drug skin tests in children are scarce. It is aimed to determine the adverse reactions after skin test in children with suspected drug allergy.</p><p><strong>Methods: </strong>Patients who underwent a drug skin test due to the suspicion of drug allergy between May 2017 and June 2020 were evaluated, retrospectively. Data about adverse reactions seen after skin testing at the testing area in the clinic were analyzed.</p><p><strong>Results: </strong>The study included 1,073 children (585 [54.5%] boys and 488 [45.5%] girls) with a median age of 7.5 years. A total of 12 (1.1%) reactions were detected after skin testing, and 4 (0.4%) of them were allergic reactions. Of the allergic reactions, three were anaphylaxis and one was urticaria. Two of the reactions (1 anaphylaxis and 1 urticaria) were detected after the skin prick test and the remaining 2 were detected after intradermal test. Three of the nonallergic reactions were considered as vasovagal reactions and seven were considered as nonspecific and anxiety-related reactions.</p><p><strong>Conclusion: </strong>Although drug skin tests were generally well-tolerated and adverse reactions were rare, severe allergic reactions including anaphylaxis may ensue. Skin tests should be necessarily performed in clinical settings in experienced centers.</p>","PeriodicalId":13652,"journal":{"name":"International Archives of Allergy and Immunology","volume":" ","pages":"56-62"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41113669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nguyen Le Huong Tran, Nhung Thi My Ly, Hoang Kim Tu Trinh, Minh Kieu Le, Niem Van Thanh Vo, Duy Le Pham
{"title":"Prediction of Food Sensitization in Children with Atopic Dermatitis Based on Disease Severity and Epidermal Layer Impairment.","authors":"Nguyen Le Huong Tran, Nhung Thi My Ly, Hoang Kim Tu Trinh, Minh Kieu Le, Niem Van Thanh Vo, Duy Le Pham","doi":"10.1159/000533492","DOIUrl":"10.1159/000533492","url":null,"abstract":"<p><strong>Introduction: </strong>Atopic dermatitis (AD) is characterized by an impaired epidermal barrier, which could be associated with sensitization to food allergens (FAs) and/or inhaled allergens and contribute to the severity of AD. However, no clinical guidance has been established for evaluations of food sensitization (FS) in AD patients. This study investigated how AD severity and epidermal barrier impairment are associated with FS and factors that can predict FS in children with AD.</p><p><strong>Methods: </strong>This cross-sectional study included 100 children (12-60 months) diagnosed with AD. AD severity was determined using the Scoring Atopic Dermatitis (SCORAD) index. FS was evaluated by measuring serum-specific IgE antibodies against 31 FAs using an immunoblotting method. Epidermal barrier impairment was assessed by measuring transepidermal water loss (TEWL) and stratum corneum hydration (SCH) levels.</p><p><strong>Results: </strong>90% of participants were sensitized to at least one tested FA, with cow's milk, egg white, beef, almond, egg yolk, and peanut being the most common. Children with moderate-severe AD had lower SCH levels than those with mild AD. Children with AD who were sensitized to >10 FAs had significantly higher TEWL and lower SCH levels, compared with those sensitized to 1-4 FAs and 5-10 FAs. The SCORAD score and SCH level in lesional skin provided moderately predictive value for sensitization to FAs in children with AD.</p><p><strong>Conclusion: </strong>FS is common in children with AD and closely associate with AD severity as well as epidermal barrier impairment. Evaluations of FS should be considered for children with moderate to severe AD and/or low SCH levels.</p>","PeriodicalId":13652,"journal":{"name":"International Archives of Allergy and Immunology","volume":" ","pages":"43-55"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71412068","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xiaoyun Du, Longgang Yu, Lin Wang, Xudong Yan, Bingqing Xu, Fangyu Chai, Danyang Li, Jiajia Zi, Jisheng Zhang, Yan Jiang
{"title":"Reduced Proliferative Capacity and Defense against Staphylococcus aureus in Human Nasal Mucosal Epithelium Lacking ZNF365.","authors":"Xiaoyun Du, Longgang Yu, Lin Wang, Xudong Yan, Bingqing Xu, Fangyu Chai, Danyang Li, Jiajia Zi, Jisheng Zhang, Yan Jiang","doi":"10.1159/000536106","DOIUrl":"10.1159/000536106","url":null,"abstract":"<p><strong>Introduction: </strong>Chronic rhinosinusitis with nasal polyps (CRSwNP) is a common chronic inflammatory disease of the nose characterized by barrier disruption and environmental susceptibility, and the deletion of ZNF365 may be a factor inducing these manifestations. However, there is no study on the mechanism of action between CRSwNP and ZNF365. Therefore, this study focuses on the effect of the zinc finger protein ZNF365 on the proliferation of nasal mucosal epithelial cells and their defense against Staphylococcus aureus (S. aureus).</p><p><strong>Methods: </strong>Immunohistochemistry and Western blot were applied to verify the changes of ZNF365 expression in nasal polyp tissues and control tissues, as well as in primary epithelial cells. ZNF365 was knocked down in human nasal mucosa epithelial cell line (HNEpc), and the proliferation, migration, and transdifferentiation of epithelium were observed by immunofluorescence, QPCR, CCK8, and cell scratch assay. The changes of mesenchymal markers and TLR4-MAPK-NF-κB pathway were also observed after the addition of S. aureus.</p><p><strong>Results: </strong>ZNF365 expression was reduced in NP tissues and primary nasal mucosal epithelial cells compared to controls. Knockdown of ZNF365 in HNEpc resulted in decreased proliferation and migration ability of epithelial cells and abnormal epithelial differentiation (decreased expression of tight junction proteins). S. aureus stimulation further inhibited epithelial cell proliferation and migration, while elevated markers of epithelial-mesenchymal transition and inflammatory responses occurred.</p><p><strong>Conclusion: </strong>ZNF365 is instrumental in maintaining the proliferative capacity of nasal mucosal epithelial cells and defending against the invasion of S. aureus. The findings suggest that ZNF365 may participate in the development of CRSwNP.</p>","PeriodicalId":13652,"journal":{"name":"International Archives of Allergy and Immunology","volume":" ","pages":"466-479"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139735156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hei Man Liu, Andre Rayner, Andrew R Mendelsohn, Anastasia Shneyderman, Michelle Chen, Frank W Pun
{"title":"Applying Artificial Intelligence to Identify Common Targets for Treatment of Asthma, Eczema, and Food Allergy.","authors":"Hei Man Liu, Andre Rayner, Andrew R Mendelsohn, Anastasia Shneyderman, Michelle Chen, Frank W Pun","doi":"10.1159/000534827","DOIUrl":"10.1159/000534827","url":null,"abstract":"<p><strong>Introduction: </strong>Allergic disorders are common diseases marked by the abnormal immune response toward foreign antigens that are not pathogens. Often patients with food allergy also suffer from asthma and eczema. Given the similarities of these diseases and a shortage of effective treatments, developing novel therapeutics against common targets of multiple allergies would offer an efficient and cost-effective treatment for patients.</p><p><strong>Methods: </strong>We employed the artificial intelligence-driven target discovery platform, PandaOmics, to identify common targets for treating asthma, eczema, and food allergy. Thirty-two case-control comparisons were generated from 15, 11, and 6 transcriptomics datasets related to asthma (558 cases, 315 controls), eczema (441 cases, 371 controls), and food allergy (208 cases, 106 controls), respectively, and allocated into three meta-analyses for target identification. Top-100 high-confidence targets and Top-100 novel targets were prioritized by PandaOmics for each allergic disease.</p><p><strong>Results: </strong>Six common high-confidence targets (i.e., IL4R, IL5, JAK1, JAK2, JAK3, and NR3C1) across all three allergic diseases have approved drugs for treating asthma and eczema. Based on the targets' dysregulated expression profiles and their mechanism of action in allergic diseases, three potential therapeutic targets were proposed. IL5 was selected as a high-confidence target due to its strong involvement in allergies. PTAFR was identified for drug repurposing, while RNF19B was selected as a novel target for therapeutic innovation. Analysis of the dysregulated pathways commonly identified across asthma, eczema, and food allergy revealed the well-characterized disease signature and novel biological processes that may underlie the pathophysiology of allergies.</p><p><strong>Conclusion: </strong>Altogether, our study dissects the shared pathophysiology of allergic disorders and reveals the power of artificial intelligence in the exploration of novel therapeutic targets.</p>","PeriodicalId":13652,"journal":{"name":"International Archives of Allergy and Immunology","volume":" ","pages":"99-110"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138290873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Natalia Blanca-Lopez, Jose A G Agundez, Javier Fernández, Elena García-Martin, Miguel Blanca
{"title":"Ibuprofen and Other Arylpropionics: The Relevance in Immediate Hypersensitivity Drug Reactions.","authors":"Natalia Blanca-Lopez, Jose A G Agundez, Javier Fernández, Elena García-Martin, Miguel Blanca","doi":"10.1159/000539043","DOIUrl":"10.1159/000539043","url":null,"abstract":"<p><strong>Background: </strong>Ibuprofen, a non-steroidal anti-inflammatory drug (NSAID), is the most frequent medication to be involved in hypersensitivity drug reactions (HDRs). Other analgesic/anti-inflammatory drugs in the arylpropionic group are also relevant, albeit to a lesser extent. Ibuprofen is widely consumed by people of all ages, both on medical prescription and over the counter; moreover, it is an organic contaminant of surface waters and foods. While numerous drugs cause HDR, ibuprofen's underlying mechanisms are more intricate and involve both specific immunological and non-immunological mediated reactions.</p><p><strong>Summary: </strong>we concentrate on immediate responses, including urticaria with or without angioedema, anaphylaxis, and angioedema, classifying reactions according to whether they are caused by single or multiple NSAIDs and based on the mechanisms at play. Both groups may experience anaphylaxis, defined as an immediate, severe systemic reaction involving at least two organs, though the frequency and severity can vary. Following this classification, more clinical manifestations can be identified. Diagnosis is partly based on a detailed clinical history, including information about ibuprofen and/or other arylpropionic derivatives involved, the interval between drug intake and symptoms onset, clinical manifestations, number of episodes, and the patient's tolerance or response to other medications - mainly non-chemically related NSAID - both before and after reactions to ibuprofen and/or other arylpropionic drugs. A drug provocation test is frequently necessary to make a diagnosis.</p><p><strong>Key message: </strong>Because ibuprofen is the most widely prescribed NSAID, it is reasonable to assume its role as the leading cause of HDR will only become more important.</p>","PeriodicalId":13652,"journal":{"name":"International Archives of Allergy and Immunology","volume":" ","pages":"953-963"},"PeriodicalIF":2.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141237198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sinem Ornek Ozdemir, Pelin Kuteyla Can, Ece Nur Degirmentepe, Kübra Kızıltaç, Ralfi Singer, Emek Kocatürk
{"title":"Unveiling Treatment Response Predictors in Predominant Subtypes of Chronic Inducible Urticaria.","authors":"Sinem Ornek Ozdemir, Pelin Kuteyla Can, Ece Nur Degirmentepe, Kübra Kızıltaç, Ralfi Singer, Emek Kocatürk","doi":"10.1159/000536579","DOIUrl":"10.1159/000536579","url":null,"abstract":"<p><strong>Introduction: </strong>Chronic inducible urticaria (CIndU) is a subtype of chronic urticaria (CU), which requires specific triggers to occur. Despite their common occurrence, treatment response rates and predictors of treatment responses are largely lacking in the literature. This study evaluates antihistamine (AH) and omalizumab response rates in the most common CIndU subtypes and examines whether certain features can predict treatment responses.</p><p><strong>Methods: </strong>We retrospectively analyzed CU patients with at least one CIndU subtype and performed comparisons between subgroups, in a total of 423 patients (70% CIndU, 30% chronic spontaneous urticaria [CSU] plus CIndU).</p><p><strong>Results: </strong>The treatment response rates in CIndU were 51.6%, 51.5%, and 86.5% with standard-dose second-generation H1-antihistamines (sgAHs), updosed/combined sgAH, and omalizumab, respectively. Overall AH response was higher in CIndU than CSU plus CIndU (78.3% vs. 62%, p = 0.002) and in symptomatic dermographism (SD) and cold urticaria (ColdU) than cholinergic urticaria (ChoU) (83.2% vs. 78.3 vs. 60.9%, p = 0.04). AH-refractory patients had a longer disease duration (45.2 ± 56.7 months vs. 37 ± 51.9 months, p = 0.04), more angioedema, accompanying CSU, mixed CIndU subtypes (37.5% vs. 21.1%, p = 0.003; 45.1% vs. 27.1%, p = 0.002; 8.8% vs. 2.4%, p = 0.014), and lower baseline urticaria control test scores (5.86 ± 3.3 vs. 8.6 ± 3.6, p < 0.001) than AH-responsive patients.</p><p><strong>Conclusion: </strong>CIndU exhibits a good response to both AHs and omalizumab. Notably, the response to AHs is more pronounced in SD and ColdU compared to ChoU. Disease duration, angioedema, accompanying CSU, mixed CIndU, and lower baseline UCT scores may be used to predict AH treatment outcome in CIndU.</p>","PeriodicalId":13652,"journal":{"name":"International Archives of Allergy and Immunology","volume":" ","pages":"1055-1065"},"PeriodicalIF":2.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141418761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}