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Nordström A, Jangard M, Ryott M, Tang X, Svedberg M, Kumlin M. Mucosal LTE 4, PGD 2 and 15(S)-HETE as potential prognostic markers for polyp recurrence in chronic rhinosinusitis. Prostaglandins Other Lipid Mediat 2024; 174:106886. [PMID: 39179198 DOI: 10.1016/j.prostaglandins.2024.106886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 07/30/2024] [Accepted: 08/20/2024] [Indexed: 08/26/2024]
Abstract
BACKGROUND Altered biosynthesis of eicosanoids is linked to type 2 inflammation in chronic rhinosinusitis with nasal polyps (CRSwNP), but their role in recalcitrant NPs is unclear. OBJECTIVES We sought to identify endotypes that are linked to recalcitrant CRSwNP, based on eicosanoids, their biosynthetic enzymes, and receptors as well as cytokines and the presence of eosinophils and mast cells in recurrent NPs. METHODS Mucosal tissue collected at the time of sinus surgery from 54 patients with CRSwNP and 12 non-CRS controls were analysed for leukotriene (LT) E4, prostaglandin (PG) D2, 15(S)-hydroxyeicosatetraenoic acid (15(S)-HETE) and 17 cytokines with ELISAs and Bio-Plex immunoassays. Patient subgroups were identified by cluster analysis and the probability of NP recurrence were tested with logistic regression analyses. Gene expressions were analysed with qPCR. Tryptase and eosinophil-derived neurotoxin (EDN) were measured with ELISAs as indications of the presence of mast cells and eosinophils, respectively. RESULTS Clustering of patients showed that an inflammatory signature characterised by elevated LTE4, PGD2, 15(S)-HETE and IL-13 was associated with NP recurrence. Previous NP surgery as well as aspirin-exacerbated respiratory disease were significantly more common among these patients. Expression of cyclooxygenase 1 was the only gene associated with NP recurrence. Levels of EDN, but not tryptase, were significantly higher in patients with recurrent NPs. CONCLUSION Distinguishing endotypes that include LTE4, PGD2, 15HETE and conventional biomarkers of type 2 inflammation could help predict recurrent nasal polyposis and thus identify cases of recalcitrant CRSwNP.
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Affiliation(s)
- Axel Nordström
- Department of Health Promoting Science, Sophiahemmet University, Stockholm, Sweden
| | - Mattias Jangard
- Department of Otorhinolaryngology, Sophiahemmet Hospital, Stockholm, Sweden
| | - Michael Ryott
- Department of Otorhinolaryngology, Sophiahemmet Hospital, Stockholm, Sweden
| | - Xiao Tang
- Division of Physiological Chemistry II, Biomedicum 9A, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Marie Svedberg
- Department of Health Promoting Science, Sophiahemmet University, Stockholm, Sweden
| | - Maria Kumlin
- Department of Health Promoting Science, Sophiahemmet University, Stockholm, Sweden; Division of Physiological Chemistry II, Biomedicum 9A, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden.
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Suikkila A, Lyly A, Savinko T, Vento SI, Saarinen R, Hafrén L. Inflammatory Cytokines in Middle Ear Effusion of Patients With Asthma, Chronic Rhinosinusitis With Nasal Polyps With or Without NSAID Intolerance. Otol Neurotol 2024; 45:765-772. [PMID: 38896805 DOI: 10.1097/mao.0000000000004230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
OBJECTIVE To measure the inflammatory cytokines of middle ear effusion (MEE) in otitis media (OM) associated with asthma and chronic rhinosinusitis with nasal polyps (CRSwNP) with or without nonsteroidal anti-inflammatory drug (NSAID) sensitivity to strengthen our assumption that OM is part of the same inflammatory entity. The potential individual differences between MEE inflammatory cytokines could be used in clinical practice for more individual characterization of the inflammation. STUDY DESIGN Case-control study. SETTING Tertiary referral center. PATIENTS Convenience sample of 24 case patients with otitis media with effusion (OME) or chronic otitis media (COM), asthma, and CRSwNP, 14 of whom had NSAID intolerance, and 8 controls with OME but no history of asthma, CRSwNP, or NSAID intolerance. INTERVENTION Diagnostic. MAIN OUTCOME AND MEASURE Inflammatory cytokines including interleukins (IL)-4, IL-5, IL-6, IL-13, and interferon gamma (IFN-γ) in middle ear effusion. RESULTS The MEE mass fractions of IL-5 ( p = 0.003) and IFN-γ ( p = 0.048) were higher among our case patients with OME/COM than among the controls. For IL-4 and IL-13, the mass fractions were also higher among the case patients than the controls, but this difference was not statistically significant ( p = 0.199 and p = 0.617, respectively). We found no difference between the IL-6 mass fractions of the groups. We found notable heterogeneity in individual patients' cytokine levels. CONCLUSIONS According to our findings, OM, when present, should be considered part of the respiratory inflammatory process associated with asthma and CRSwNP. The individual differences in MEE cytokine levels could be useful as biomarkers.
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Affiliation(s)
- Anna Suikkila
- Department of Otorhinolaryngology-Head and Neck surgery, University of Helsinki and Helsinki University Hospital
| | | | - Terhi Savinko
- Skin and Allergy Hospital, Helsinki University Hospital, Helsinki, Finland
| | - Seija I Vento
- Department of Otorhinolaryngology-Head and Neck surgery, University of Helsinki and Helsinki University Hospital
| | - Riitta Saarinen
- Department of Otorhinolaryngology-Head and Neck surgery, University of Helsinki and Helsinki University Hospital
| | - Lena Hafrén
- Department of Otorhinolaryngology-Head and Neck surgery, University of Helsinki and Helsinki University Hospital
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Jermihov A, iAkushev A, White A, Jerschow E. Updates on the Natural History and Clinical Characteristics of NSAID-ERD. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2024:S2213-2198(24)00744-X. [PMID: 39038540 DOI: 10.1016/j.jaip.2024.07.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 07/01/2024] [Accepted: 07/04/2024] [Indexed: 07/24/2024]
Abstract
Nonsteroidal anti-inflammatory drug-exacerbated respiratory disease (NSAID-ERD) is a distinct clinical syndrome characterized by nonsteroidal anti-inflammatory drug (NSAID) hypersensitivity, asthma, and nasal polyposis. Its diagnosis is challenging owing to variable presentations and a lack of simple tests, leading to diagnostic delays. Recent research has revealed its genetic predispositions, environmental triggers, and associations with atopy and second-hand tobacco smoke exposure or smoking cessation. Despite its severity, diagnostic awareness remains low, leading to the delay in effective management. Therapeutically, NSAID-ERD necessitates multidisciplinary approaches, often combining surgical interventions with medical management, including aspirin desensitization and biologic agents. However, predictive biomarkers for treatment response remain elusive. Understanding the underlying mechanisms driving NSAID-ERD pathogenesis and identifying reliable biomarkers are crucial for enhancing diagnostic accuracy and refining targeted therapeutic strategies for this debilitating condition. This review aims to provide a thorough understanding of NSAID-ERD, covering its history, clinical features, epidemiology, diagnosis, systemic and molecular biomarkers, available treatment options, and avenues for future research.
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Affiliation(s)
- Anastasia Jermihov
- Department of Otolaryngology, San Antonio Uniformed Services Health Education Consortium, JBSA Fort Sam Houston, Texas
| | - Alex iAkushev
- Division of Allergic Diseases, Department of Medicine, Mayo Clinic, Rochester, Minn
| | - Andrew White
- Division of Allergy, Asthma and Immunology, Scripps Clinic, San Diego, Calif
| | - Elina Jerschow
- Division of Allergic Diseases, Department of Medicine, Mayo Clinic, Rochester, Minn.
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Khayer N, Jalessi M, Farhadi M, Azad Z. S100a9 might act as a modulator of the Toll-like receptor 4 transduction pathway in chronic rhinosinusitis with nasal polyps. Sci Rep 2024; 14:9722. [PMID: 38678138 PMCID: PMC11055867 DOI: 10.1038/s41598-024-60205-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 04/19/2024] [Indexed: 04/29/2024] Open
Abstract
Chronic rhinosinusitis with nasal polyp (CRSwNP) is a highly prevalent disorder characterized by persistent nasal and sinus mucosa inflammation. Despite significant morbidity and decreased quality of life, there are limited effective treatment options for such a disease. Therefore, identifying causal genes and dysregulated pathways paves the way for novel therapeutic interventions. In the current study, a three-way interaction approach was used to detect dynamic co-expression interactions involved in CRSwNP. In this approach, the internal evolution of the co-expression relation between a pair of genes (X, Y) was captured under a change in the expression profile of a third gene (Z), named the switch gene. Subsequently, the biological relevancy of the statistically significant triplets was confirmed using both gene set enrichment analysis and gene regulatory network reconstruction. Finally, the importance of identified switch genes was confirmed using a random forest model. The results suggested four dysregulated pathways in CRSwNP, including "positive regulation of intracellular signal transduction", "arachidonic acid metabolic process", "spermatogenesis" and "negative regulation of cellular protein metabolic process". Additionally, the S100a9 as a switch gene together with the gene pair {Cd14, Tpd52l1} form a biologically relevant triplet. More specifically, we suggested that S100a9 might act as a potential upstream modulator in toll-like receptor 4 transduction pathway in the major CRSwNP pathologies.
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Affiliation(s)
- Nasibeh Khayer
- Skull Base Research Center, The Five Senses Health Institute, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Maryam Jalessi
- Skull Base Research Center, The Five Senses Health Institute, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
- ENT and Head and Neck Research Center and Department, The Five Senses Health Institute, Rasoul Akram Hospital, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Mohammad Farhadi
- ENT and Head and Neck Research Center and Department, The Five Senses Health Institute, Rasoul Akram Hospital, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Zahra Azad
- Skull Base Research Center, The Five Senses Health Institute, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
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Nordström A, Jangard M, Svedberg M, Ryott M, Kumlin M. Distinct eicosanoid patterns in severe recalcitrant nasal polyposis. Int Forum Allergy Rhinol 2023; 13:2043-2054. [PMID: 37179460 DOI: 10.1002/alr.23181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/30/2023] [Accepted: 05/10/2023] [Indexed: 05/15/2023]
Abstract
BACKGROUND Although altered eicosanoid levels are related to disease severity in chronic rhinosinusitis with nasal polyps (CRSwNP), identifying patients prone to recurrent nasal polyps (NPs) is still difficult. We investigated levels of nasally secreted eicosanoids before and after NP surgery in patients with or without NP recurrence (NPR) and explored potential endotypes based on pre-surgical eicosanoid levels. METHODS Levels of leukotriene (LT) E4 , LTB4 , prostaglandin (PG) D2 , PGE2 and 15(S) hydroxyeicosatetraenoic acid (15[S]-HETE) were measured in nasal secretions with specific immunoassays at pre-surgery (n = 38) and 6 and 12 months post-surgery (n = 35), with NPR identified endoscopically. Pre- and post-surgical levels were compared between patients with and without NPR. Eicosanoid patterns among patients were explored with cluster analysis and evaluated with clinical parameters. RESULTS Patients with recurrent NPs had pronounced pre-surgical levels of nasal 15(S)-HETE, PGD2 and LTE4 . From pre-surgery to 12 months post-surgery, NPR was associated with significant decreases of 15(S)-HETE and PGD2 relative to non-recurrence, whereas levels of LTE4 decreased at 6 months but increased again at 12 months. Clustering revealed three potential endotypes. Clusters 1 and 3 featured high and low eicosanoid levels, respectively. Cluster 2 had higher levels of LTE4 and PGD2 , lower levels of PGE2 and LTB4 , and more cases of recurrent NPs and previous NP surgeries. CONCLUSION Elevated nasal LTE4 12 months post-surgery in NP recurrent subjects suggests that postoperative LTE4 measurements may indicate rapid NP regrowth. A distinct nasal eicosanoid profile may be used for the identification of the most severe recalcitrant patients in need of targeted immunomodulatory therapies.
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Affiliation(s)
- Axel Nordström
- Department of Health Promotion Science, Sophiahemmet University, Stockholm, Sweden
| | - Mattias Jangard
- Department of Otorhinolaryngology, Sophiahemmet Hospital, Stockholm, Sweden
| | - Marie Svedberg
- Department of Health Promotion Science, Sophiahemmet University, Stockholm, Sweden
| | - Michael Ryott
- Department of Otorhinolaryngology, Sophiahemmet Hospital, Stockholm, Sweden
| | - Maria Kumlin
- Department of Health Promotion Science, Sophiahemmet University, Stockholm, Sweden
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Han X, He X, Zhan X, Yao L, Sun Z, Gao X, Wang S, Wang Z. Disturbed microbiota-metabolites-immune interaction network is associated with olfactory dysfunction in patients with chronic rhinosinusitis. Front Immunol 2023; 14:1159112. [PMID: 37292198 PMCID: PMC10245275 DOI: 10.3389/fimmu.2023.1159112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 05/05/2023] [Indexed: 06/10/2023] Open
Abstract
Purpose Olfactory dysfunction (OD) is a debilitating symptom frequently reported by patients with chronic rhinosinusitis (CRS) and it is associated with a dysregulated sinonasal inflammation. However, little information is available about the effect of the inflammation-related nasal microbiota and related metabolites on the olfactory function in these patients. Therefore, the current study aimed to investigate the nasal microbiota-metabolites-immune interactions and their role in the pathogenesis of OD in CRS patients. Methods 23 and 19 CRS patients with and without OD, respectively, were enrolled in the present study. The "Sniffin' Sticks" was used to measure the olfactory function, while the metagenomic shotgun sequencing and the untargeted metabolite profiling were performed to assess the differences in terms of the nasal microbiome and metabolome between the two groups. The levels of nasal mucus inflammatory mediators were investigated by a multiplex flow Cytometric Bead Array (CBA). Results A decreased diversity in the nasal microbiome from the OD group compared to the NOD group was evidenced. The metagenomic analysis revealed a significant enrichment of Acinetobacter johnsonii in the OD group, while Mycoplasma arginini, Aeromonas dhakensis, and Salmonella enterica were significantly less represented (LDA value > 3, p < 0.05). The nasal metabolome profiles were significantly different between the OD and NOD groups (P < 0.05). The purine metabolism was the most significantly enriched metabolic subpathway in OD patients compared with NOD patients (P < 0.001). The expressions of IL-5, IL-8, MIP-1α, MCP-1, and TNF were statistically and significantly increased in the OD group (P < 0.05). All these data, including the dysregulation of the nasal microbiota, differential metabolites, and elevated inflammatory mediators in OD patients demonstrated a clear interaction relationship. Conclusion The disturbed nasal microbiota-metabolite-immune interaction networks may be implicated in the pathogenesis of OD in CRS patients and the underlying pathophysiological mechanisms need to be further investigated in future studies.
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Affiliation(s)
- Xingyu Han
- Department of Otolaryngology-Head and Neck Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Department of Otolaryngology-Head and Neck Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
- Department of Otorhinolaryngology-Head and Neck Surgery, Capital Institute of Pediatrics, Beijing, China
| | - Xuejia He
- Capital Institute of Pediatrics, Peking University Teaching Hospital, Beijing, China
| | - Xiaojun Zhan
- Department of Otorhinolaryngology-Head and Neck Surgery, Capital Institute of Pediatrics, Beijing, China
| | - Linyin Yao
- Department of Otolaryngology-Head and Neck Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Zhifu Sun
- Department of Otolaryngology-Head and Neck Surgery, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Xing Gao
- Department of Otorhinolaryngology-Head and Neck Surgery, Capital Institute of Pediatrics, Beijing, China
| | - Shan Wang
- Beijing Municipal Key Laboratory of Child Development and Nutriomics, Capital Institute of Pediatrics, Beijing, China
| | - Zhenlin Wang
- Department of Otolaryngology-Head and Neck Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
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Aukema HM, Ravandi A. Factors affecting variability in free oxylipins in mammalian tissues. Curr Opin Clin Nutr Metab Care 2023; 26:91-98. [PMID: 36892958 DOI: 10.1097/mco.0000000000000892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
PURPOSE OF THE REVIEW Along with the growing interest in oxylipins is an increasing awareness of multiple sources of variability in oxylipin data. This review summarizes recent findings that highlight the experimental and biological sources of variation in free oxylipins. RECENT FINDINGS Experimental factors that affect oxylipin variability include different methods of euthanasia, postmortem changes, cell culture reagents, tissue processing conditions and timing, storage losses, freeze-thaw cycles, sample preparation techniques, ion suppression, matrix effects, use and availability of oxylipin standards, and postanalysis procedures. Biological factors include dietary lipids, fasting, supplemental selenium, vitamin A deficiency, dietary antioxidants and the microbiome. Overt, but also more subtle differences in health affect oxylipin levels, including during resolution of inflammation and long-term recovery from disease. Sex, genetic variation, exposure to air pollution and chemicals found in food packaging and household and personal care products, as well as many pharmaceuticals used to treat health conditions also affect oxylipin levels. SUMMARY Experimental sources of oxylipin variability can be minimized with proper analytical procedures and protocol standardization. Fully characterizing study parameters will help delineate biological factors of variability, which are rich sources of information that can be used to probe oxylipin mechanisms of action and to investigate their roles in health.
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Affiliation(s)
- Harold M Aukema
- Department of Food and Human Nutritional Sciences, University of Manitoba
- Canadian Centre for Agri-Food Research in Health and Medicine, St Boniface Hospital Albrechtsen Research Centre
- Precision Cardiovascular Medicine Group, St Boniface Hospital Albrechtsen Research Centre
| | - Amir Ravandi
- Precision Cardiovascular Medicine Group, St Boniface Hospital Albrechtsen Research Centre
- Department of Physiology and Pathophysiology, University of Manitoba
- Institute of Cardiovascular Sciences, St Boniface Hospital Albrechtsen Research Centre, Winnipeg, Manitoba, Canada
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Chen W, He S, Xie X, Yang X, Duan C, Ye P, Li X, Lawrence MG, Borish L, Feng X. Over-expression of CRTH2 indicates eosinophilic inflammation and poor prognosis in recurrent nasal polyps. Front Immunol 2022; 13:1046426. [DOI: 10.3389/fimmu.2022.1046426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 10/31/2022] [Indexed: 11/19/2022] Open
Abstract
BackgroundChronic rhinosinusitis with nasal polyps (CRSwNP) is often characterized by recurrent nasal polyp (NP) growth following surgical removal, but the mechanisms are still not clear. This study aimed to investigate the expression of chemoattractant receptor-homologous molecule expressed on Th2 cells (CRTH2) receptor on NP and the role it plays in eosinophil inflammation and polyp recurrence.MethodsForty-one CRSwNPs patients and seventeen controls were enrolled in this study. mRNA was extracted from nasal tissues and evaluated for expression of CRTH2. Immunofluorescence staining was performed to confirm the distribution and expression of CRTH2 protein. CRTH2 expression on peripheral blood eosinophils was quantified by flow cytometry. The eosinophil count and clinical implications were also evaluated and their correlations with CRTH2 expression were analyzed.ResultsNasal polyps displayed increased expression of CRTH2 in mRNA level compared with control samples, with the highest expression observed in recurrent NP. Immunofluorescence confirmed over-expression of CRTH2 in recurrent NP and this was independent of the concurrent presence of asthma. CRTH2 expression was positively correlated with tissue eosinophil number (Spearman’s ρ=0.69, P<0.001) and the postoperative sino-nasal outcome test-22 (SNOT-22) score (Spearman’s ρ=0.67, P<0.001). Receiver operating characteristic (ROC) curves revealed CRTH2 was more predictive for NP recurrence compared to either eosinophil number and concomitant asthma, with an area under the ROC curve of 0.9107.ConclusionThe over-expression of CRTH2 in recurrent nasal polyps correlates with greater eosinophilic inflammation and poor prognosis which is independent of concomitant asthma.
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