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Rusmayani E, Artini W, Sasongko MB. Ischemia Modified Albumin (IMA) as a New Biomarker in the Ophthalmology Field: A Brief Literature Review. Open Ophthalmol J 2022. [DOI: 10.2174/18743641-v16-e2208010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Purpose:
This study aimed to review the potential role of ischemia-modified albumin as a biomarker for diagnostic modalities in the ophthalmology field.
Methods:
Articles were reviewed without a specific date. A manual search was also performed by reviewing reference lists of meta-analyses and systematic reviews. All articles were reviewed, and a total of 18 articles were selected by the authors.
Results:
Oxidative stress increases structural and functional damage to proteins in many ocular diseases. The human serum albumin is a major circulating protein with antioxidative and anti-inflammatory properties. Oxidative stress has been shown to be an important part of etiology and pathogenesis in ocular diseases related to ischemia. Biomarkers that are specific to oxidative stress and ischemia-related ocular pathogenesis are needed to provide an extensive understanding regarding diagnosis, monitoring progression, and new potential target treatment. Ischemia-modified albumin (IMA) as a new promising biomarker might be useful in the early detection and treatment of ocular diseases with ischemic pathogenesis.
Conclusion:
IMA plays an important role in the progression of ophthalmology diseases, such as diabetic retinopathy, hypertensive retinopathy, cataract progression, seasonal allergies, and glaucoma. Further studies are needed to elaborate these results as a consideration in new testing modalities in clinical practice as well as a new target therapy research.
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Celebi Sozener Z, Ozdel Ozturk B, Cerci P, Turk M, Gorgulu Akin B, Akdis M, Altiner S, Ozbey U, Ogulur I, Mitamura Y, Yilmaz I, Nadeau K, Ozdemir C, Mungan D, Akdis CA. Epithelial barrier hypothesis: Effect of the external exposome on the microbiome and epithelial barriers in allergic disease. Allergy 2022; 77:1418-1449. [PMID: 35108405 PMCID: PMC9306534 DOI: 10.1111/all.15240] [Citation(s) in RCA: 112] [Impact Index Per Article: 56.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 01/25/2022] [Accepted: 01/29/2022] [Indexed: 12/11/2022]
Abstract
Environmental exposure plays a major role in the development of allergic diseases. The exposome can be classified into internal (e.g., aging, hormones, and metabolic processes), specific external (e.g., chemical pollutants or lifestyle factors), and general external (e.g., broader socioeconomic and psychological contexts) domains, all of which are interrelated. All the factors we are exposed to, from the moment of conception to death, are part of the external exposome. Several hundreds of thousands of new chemicals have been introduced in modern life without our having a full understanding of their toxic health effects and ways to mitigate these effects. Climate change, air pollution, microplastics, tobacco smoke, changes and loss of biodiversity, alterations in dietary habits, and the microbiome due to modernization, urbanization, and globalization constitute our surrounding environment and external exposome. Some of these factors disrupt the epithelial barriers of the skin and mucosal surfaces, and these disruptions have been linked in the last few decades to the increasing prevalence and severity of allergic and inflammatory diseases such as atopic dermatitis, food allergy, allergic rhinitis, chronic rhinosinusitis, eosinophilic esophagitis, and asthma. The epithelial barrier hypothesis provides a mechanistic explanation of how these factors can explain the rapid increase in allergic and autoimmune diseases. In this review, we discuss factors affecting the planet's health in the context of the 'epithelial barrier hypothesis,' including climate change, pollution, changes and loss of biodiversity, and emphasize the changes in the external exposome in the last few decades and their effects on allergic diseases. In addition, the roles of increased dietary fatty acid consumption and environmental substances (detergents, airborne pollen, ozone, microplastics, nanoparticles, and tobacco) affecting epithelial barriers are discussed. Considering the emerging data from recent studies, we suggest stringent governmental regulations, global policy adjustments, patient education, and the establishment of individualized control measures to mitigate environmental threats and decrease allergic disease.
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Affiliation(s)
| | - Betul Ozdel Ozturk
- School of MedicineDepartment of Chest DiseasesDivision of Immunology and Allergic DiseasesAnkara UniversityAnkaraTurkey
| | - Pamir Cerci
- Clinic of Immunology and Allergic DiseasesEskisehir City HospitalEskisehirTurkey
| | - Murat Turk
- Clinic of Immunology and Allergic DiseasesKayseri City HospitalKayseriTurkey
| | - Begum Gorgulu Akin
- Clinic of Immunology and Allergic DiseasesAnkara City HospitalAnkaraTurkey
| | - Mubeccel Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF)University of ZurichDavosSwitzerland
| | - Seda Altiner
- Clinic of Internal Medicine Division of Immunology and Allergic DiseasesKahramanmaras Necip Fazil City HospitalKahramanmarasTurkey
| | - Umus Ozbey
- Department of Nutrition and DietAnkara UniversityAnkaraTurkey
| | - Ismail Ogulur
- Swiss Institute of Allergy and Asthma Research (SIAF)University of ZurichDavosSwitzerland
| | - Yasutaka Mitamura
- Swiss Institute of Allergy and Asthma Research (SIAF)University of ZurichDavosSwitzerland
| | - Insu Yilmaz
- Department of Chest DiseasesDivision of Immunology and Allergic DiseasesErciyes UniversityKayseriTurkey
| | - Kari Nadeau
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University School of MedicineDivision of Pulmonary and Critical Care MedicineDepartment of MedicineStanford UniversityStanfordCaliforniaUSA
| | - Cevdet Ozdemir
- Institute of Child HealthDepartment of Pediatric Basic SciencesIstanbul UniversityIstanbulTurkey
- Istanbul Faculty of MedicineDepartment of PediatricsDivision of Pediatric Allergy and ImmunologyIstanbul UniversityIstanbulTurkey
| | - Dilsad Mungan
- School of MedicineDepartment of Chest DiseasesDivision of Immunology and Allergic DiseasesAnkara UniversityAnkaraTurkey
| | - Cezmi A. Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF)University of ZurichDavosSwitzerland
- Christine Kühne‐Center for Allergy Research and Education (CK‐CARE)DavosSwitzerland
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3
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Liu F, Chen N, Wang R, Zhang L, Li Y. Visual analysis of allergic rhinitis in children based on web of science and CiteSpace software. Front Pediatr 2022; 10:911293. [PMID: 36245734 PMCID: PMC9554352 DOI: 10.3389/fped.2022.911293] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 08/17/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND In recent years, Allergic Rhinitis (AR) in children has caused widespread public concern. However, there are few studies concerning the overall trends in AR research in children based on bibliometric analysis. OBJECTIVE This study aims to explore hotspots and emerging trends in AR in children. METHODS The relevant publications were searched for in the Web of Science (WOS) Core Collection on December 31, 2021. The searched studies were exported to CiteSpace and Microsoft Excel for further visualized analysis. RESULTS In total, 649 articles were included. The number of publications related to AR in children has increased steadily in the last 20 years. Giorgio Ciprandi from Italy has the most articles and the leading countries were China and the USA. Guangzhou Medical University in China and Hallym University in Korea were the institutions with the most articles. The high-frequency keywords included AR, asthma, children, prevalence, and symptoms. Pathogenesis, comorbidity, epidemiology, symptoms, and therapy of AR in children are research hotspots. CONCLUSION Over the past 20 years, research on AR in children has gradually improved. Visualization analysis indicates that pathogenesis, comorbidity, epidemiology, symptoms, and therapy are research hotspots, and immunotherapy and severity are probably the main research directions.
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Affiliation(s)
- Fang Liu
- Department of Otolaryngology, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
| | - Na Chen
- Department of Otolaryngology, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
| | - Rui Wang
- Department of Otolaryngology, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
| | - Lei Zhang
- Department of Otolaryngology, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
| | - Youwei Li
- Department of Radiology, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
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4
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Current Insights into Atopic March. CHILDREN (BASEL, SWITZERLAND) 2021; 8:children8111067. [PMID: 34828780 PMCID: PMC8620020 DOI: 10.3390/children8111067] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 11/10/2021] [Accepted: 11/16/2021] [Indexed: 11/20/2022]
Abstract
The incidence of allergic diseases is increasing, and research on their epidemiology, pathophysiology, and the prevention of onset is urgently needed. The onset of allergic disease begins in infancy with atopic dermatitis and food allergy and develops into allergic asthma and allergic rhinitis in childhood; the process is defined as “atopic march”. Atopic march is caused by multiple immunological pathways, including allergen exposure, environmental pollutants, skin barrier dysfunction, type 2 inflammation, and oxidative stress, which promote the progression of atopic march. Using recent evidence, herein, we explain the involvement of allergic inflammatory conditions and oxidative stress in the process of atopic march, its epidemiology, and methods for prevention of onset.
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Trakaki A, Marsche G. Current Understanding of the Immunomodulatory Activities of High-Density Lipoproteins. Biomedicines 2021; 9:biomedicines9060587. [PMID: 34064071 PMCID: PMC8224331 DOI: 10.3390/biomedicines9060587] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/17/2021] [Accepted: 05/19/2021] [Indexed: 02/06/2023] Open
Abstract
Lipoproteins interact with immune cells, macrophages and endothelial cells - key players of the innate and adaptive immune system. High-density lipoprotein (HDL) particles seem to have evolved as part of the innate immune system since certain HDL subspecies contain combinations of apolipoproteins with immune regulatory functions. HDL is enriched in anti-inflammatory lipids, such as sphingosine-1-phosphate and certain saturated lysophospholipids. HDL reduces inflammation and protects against infection by modulating immune cell function, vasodilation and endothelial barrier function. HDL suppresses immune cell activation at least in part by modulating the cholesterol content in cholesterol/sphingolipid-rich membrane domains (lipid rafts), which play a critical role in the compartmentalization of signaling pathways. Acute infections, inflammation or autoimmune diseases lower HDL cholesterol levels and significantly alter HDL metabolism, composition and function. Such alterations could have a major impact on disease progression and may affect the risk for infections and cardiovascular disease. This review article aims to provide a comprehensive overview of the immune cell modulatory activities of HDL. We focus on newly discovered activities of HDL-associated apolipoproteins, enzymes, lipids, and HDL mimetic peptides.
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Jantrapirom S, Hirunsatitpron P, Potikanond S, Nimlamool W, Hanprasertpong N. Pharmacological Benefits of Triphala: A Perspective for Allergic Rhinitis. Front Pharmacol 2021; 12:628198. [PMID: 33995026 PMCID: PMC8120106 DOI: 10.3389/fphar.2021.628198] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 03/16/2021] [Indexed: 12/24/2022] Open
Abstract
Allergic rhinitis (AR) is considered a major nasal condition impacting a large number of people around the world, and it is now becoming a global health problem. Because the underlying mechanisms of AR are complex, the development of single-drug treatment might not be enough to treat a wide spectrum of the disease. Although the standard guidelines classify and provide suitable diagnosis and treatment, the vast majority of people with AR are still without any means of controlling it. Moreover, the benefits of AR drugs are sometimes accompanied by undesirable side effects. Thus, it is becoming a significant challenge to find effective therapies with limited undesirable side effects for a majority of patients suffering from uncontrolled AR. Aller-7/NR-A2, a polyherbal formulation, has revealed promising results in patients by reducing nasal symptoms and eosinophil counts without serious adverse effects. Interestingly, three out of seven of the herbals in the Aller-7/NR-A2 formulation are also found in an Ayurvedic polyherbal formulation known as “Triphala,” which is a potential candidate for the treatment of AR. However, there are no current studies that have examined the effects of Triphala on the disease. This review aims to describe the complexity of AR pathophysiology, currently available treatments, and the effects of Triphala on AR in order to help develop it as a promising alternative treatment in the future.
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Affiliation(s)
- Salinee Jantrapirom
- Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.,Drosophila Center for Human Diseases and Drug Discovery (DHD), Faculty of Medicine, Chiang Mai, University, Chiang Mai, Thailand
| | - Pannaphak Hirunsatitpron
- Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.,Graduate School, Chiang Mai University, Chiang Mai, Thailand
| | - Saranyapin Potikanond
- Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Wutigri Nimlamool
- Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Nutthiya Hanprasertpong
- Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
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Abstract
Allergic conjunctival diseases (ACDs) are a group of ocular allergies that include allergic conjunctivitis, atopic keratoconjunctivitis, vernal keratoconjunctivitis, and giant papillary conjunctivitis. Although a large body of information exists on the pathophysiology of ACDs, this has not yet lead to the development of clear recommendations and guidelines for the diagnosis of ACDs or development of conclusive and objective diagnostic tools. Identification of objectively measurable biomarkers that represent the molecular and cellular mechanisms associated with ACDs will be an important step toward achieving these aims. This is a comprehensive review of biological markers that have the potential to become "biomarker(s)" for ACDs and aid in the classification, diagnosis, and development of new therapeutic strategies for these group of allergic conditions.
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8
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High-Density Lipoprotein (HDL) in Allergy and Skin Diseases: Focus on Immunomodulating Functions. Biomedicines 2020; 8:biomedicines8120558. [PMID: 33271807 PMCID: PMC7760586 DOI: 10.3390/biomedicines8120558] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/27/2020] [Accepted: 11/28/2020] [Indexed: 02/07/2023] Open
Abstract
From an evolutionary perspective, lipoproteins are not only lipid transporters, but they also have important functions in many aspects of immunity. High-density lipoprotein (HDL) particles are the most abundant lipoproteins and the most heterogeneous in terms of their composition, structure, and biological functions. Despite strong evidence that HDL potently influences the activity of several immune cells, the role of HDL in allergies and skin diseases is poorly understood. Alterations in HDL-cholesterol levels have been observed in allergic asthma, allergic rhinitis, atopic dermatitis (eczema), psoriasis, urticaria, and angioedema. HDL-associated apolipoprotein (apo) A-I, apoA-IV, and apoC-III, and lyso-phosphatidylcholines potently suppress immune cell effector responses. Interestingly, recent studies provided evidence that allergies and skin diseases significantly affect HDL composition, metabolism, and function, which, in turn, could have a significant impact on disease progression, but may also affect the risk of cardiovascular disease and infections. Interestingly, not only a loss in function, but also, sometimes, a gain in function of certain HDL properties is observed. The objective of this review article is to summarize the newly identified changes in the metabolism, composition, and function of HDL in allergies and skin diseases. We aim to highlight the possible pathophysiological consequences with a focus on HDL-mediated immunomodulatory activities.
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9
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Rouadi PW, Idriss SA, Naclerio RM, Peden DB, Ansotegui IJ, Canonica GW, Gonzalez-Diaz SN, Rosario Filho NA, Ivancevich JC, Hellings PW, Murrieta-Aguttes M, Zaitoun FH, Irani C, Karam MR, Bousquet J. Immunopathological features of air pollution and its impact on inflammatory airway diseases (IAD). World Allergy Organ J 2020; 13:100467. [PMID: 33042360 PMCID: PMC7534666 DOI: 10.1016/j.waojou.2020.100467] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 08/31/2020] [Accepted: 09/11/2020] [Indexed: 12/14/2022] Open
Abstract
Air pollution causes significant morbidity and mortality in patients with inflammatory airway diseases (IAD) such as allergic rhinitis (AR), chronic rhinosinusitis (CRS), asthma, and chronic obstructive pulmonary disease (COPD). Oxidative stress in patients with IAD can induce eosinophilic inflammation in the airways, augment atopic allergic sensitization, and increase susceptibility to infection. We reviewed emerging data depicting the involvement of oxidative stress in IAD patients. We evaluated biomarkers, outcome measures and immunopathological alterations across the airway mucosal barrier following exposure, particularly when accentuated by an infectious insult.
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Key Words
- AR, Allergic rhinitis
- Air pollution
- Antioxidant
- COPD, Chronic obstructive pulmonary disease
- CRS, Chronic rhinosinusitis
- DEP, Diesel exhaust particles
- IAD, Inflammatory airway diseases
- IL, Interleukin
- ILC, Innate lymphoid cells
- Inflammatory airway disease
- NOx, Nitrogen oxides
- Oxidative stress biomarkers
- PAH, Polycyclic aromatic hydrocarbons
- PM, Particulate matter
- ROS, Reactive oxygen species
- TBS, Tobacco smoke
- TLR, Toll-like receptors
- Tobacco smoke
- Treg, Regulatory T cell
- VOCs, Volatile organic compounds
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Affiliation(s)
- Philip W. Rouadi
- Department of Otolaryngology-Head and Neck Surgery, Eye and Ear University Hospital, Beirut, Lebanon
| | - Samar A. Idriss
- Department of Otolaryngology-Head and Neck Surgery, Eye and Ear University Hospital, Beirut, Lebanon
| | - Robert M. Naclerio
- Johns Hopkins University Department of Otolaryngology - Head and Neck Surgery, Baltimore, MD, USA
| | - David B. Peden
- UNC Center for Environmental Medicine, Asthma, and Lung Biology, Division of Allergy, Immunology and Rheumatology, Department of Pediatrics UNS School of Medicine, USA
| | - Ignacio J. Ansotegui
- Department of Allergy and Immunology, Hospital Quironsalud Bizkaia, Bilbao, Spain
| | | | - Sandra Nora Gonzalez-Diaz
- University Autonoma de Nuevo Leon Facultad de Medicina y Hospital Universitario U.A.N.L, Monterrey, NL, c.p. 64460, México
| | | | - Juan Carlos Ivancevich
- Faculty of Medicine, Universidad del Salvador, Buenos Aires, Argentina and Head of Allergy and Immunology at the Santa Isabel Clinic, Buenos Aires, Argentina
| | - Peter W. Hellings
- Department of Otorhinolaryngology, University Hospitals Leuven, Leuven, Belgium
- Department of Otorhinolaryngology, Academic Medical Center Amsterdam, The Netherlands - Department Otorhinolaryngology, University Hospital Ghent, Belgium
| | | | - Fares H. Zaitoun
- LAUMC Rizk Hospital, Otolaryngology-Allergy Department, Beirut, Lebanon
| | - Carla Irani
- Department of Internal Medicine and Infectious Diseases, St Joseph University, Hotel Dieu de France Hospital, Beirut, Lebanon
| | - Marilyn R. Karam
- Division of Rheumatology, Allergy and Clinical Immunology, Department of Internal Medicine, American University of Beirut, Beirut, Lebanon
| | - Jean Bousquet
- INSERM U 1168, VIMA: Ageing and Chronic Diseases Epidemiological and Public Health Approaches, Villejuif, France
- University Versailles St-Quentin-en-Yvelines, France
- Allergy-Centre-Charité, Charité–Universitätsmedizin Berlin, Berlin, Germany
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10
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Göker AE, Alagöz MH, Kumral TL, Karaketir S, Yilmazer AB, Tutar B, Ahmed EA, Biçer C, Uyar Y. An Evaluation of Oxidative Stress With Thiol/Disulfide Homeostasis in Patients With Persistent Allergic Rhinitis. EAR, NOSE & THROAT JOURNAL 2020; 101:NP13-NP17. [PMID: 32692290 DOI: 10.1177/0145561320926336] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND We evaluated the efficacy of medical treatment on thiol-disulfide balance despite ongoing allergic stimulation. METHODS The research design was a prospective observational study that included 35 persistent allergic rhinitis (AR) patients. All patients who were diagnosed with persistent AR were included. A skin prick test was applied to all patients, and the Sino-nasal Outcome Test-22 was used to evaluate sinonasal symptoms. Thiol/disulfide homeostasis balance parameters were measured using a novel automatic and spectrophotometric method and compared statistically. Serum total thiol (TT), native thiol (SH), disulphide (SS), disulphide/native thiol (SS/SH), disulphide/total thiol (SS/TT), and native thiol/total thiol (SH/TT) ratios were measured after the second month of the treatment. RESULTS The 35 patients included 20 (58%) females and 15 (42%) males. The mean age of the patients was 33.17 ± 9.9 years. Disulphide, SS/SH, and SS/TT ratios decreased significantly after the treatment (P < .05), while SH and SH/TT increased significantly (P < .05). The mean SH measurement increased significantly in the second month (P = .001), but TT mean measurements showed no difference after the treatment (P = .058). The mean SS measurements, on the other hand, decreased significantly in the second month (P = .003). CONCLUSION Thiol/disulfide homeostasis may be used as a marker to evaluate the efficacy of persistent AR treatments. After the treatment, the increase in SH levels suggested the decrease in oxidative stress, even though allergen exposure continued.
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Affiliation(s)
- Ayse E Göker
- Otorhinolaryngology Department, Okmeydani Training and Research Hospital, Istanbul, Turkey
| | - Maide H Alagöz
- Biochemistry Department, Okmeydani Training and Research Hospital, Istanbul, Turkey
| | - Tolgar L Kumral
- Otorhinolaryngology Department, Okmeydani Training and Research Hospital, Istanbul, Turkey
| | - Semih Karaketir
- Otorhinolaryngology Department, Bulanik State Hospital, Muş, Turkey
| | - Ayça B Yilmazer
- Otorhinolaryngology Department, Okmeydani Training and Research Hospital, Istanbul, Turkey
| | - Belgin Tutar
- Otorhinolaryngology Department, Okmeydani Training and Research Hospital, Istanbul, Turkey
| | - Esmail A Ahmed
- Otorhinolaryngology Department, Okmeydani Training and Research Hospital, Istanbul, Turkey
| | - Cemile Biçer
- Department of Clinical Biochemistry, Yıldırım Beyazıt. University Faculty of Medicine, Ankara, Turkey
| | - Yavuz Uyar
- Otorhinolaryngology Department, Okmeydani Training and Research Hospital, Istanbul, Turkey
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11
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International expert consensus on the management of allergic rhinitis (AR) aggravated by air pollutants: Impact of air pollution on patients with AR: Current knowledge and future strategies. World Allergy Organ J 2020; 13:100106. [PMID: 32256939 PMCID: PMC7132263 DOI: 10.1016/j.waojou.2020.100106] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 01/17/2020] [Accepted: 01/23/2020] [Indexed: 02/07/2023] Open
Abstract
Allergic rhinitis affects the quality of life of millions of people worldwide. Air pollution not only causes morbidity, but nearly 3 million people per year die from unhealthy indoor air exposure. Furthermore, allergic rhinitis and air pollution interact. This report summarizes the discussion of an International Expert Consensus on the management of allergic rhinitis aggravated by air pollution. The report begins with a review of indoor and outdoor air pollutants followed by epidemiologic evidence showing the impact of air pollution and climate change on the upper airway and allergic rhinitis. Mechanisms, particularly oxidative stress, potentially explaining the interactions between air pollution and allergic rhinitis are discussed. Treatment for the management of allergic rhinitis aggravated by air pollution primarily involves treating allergic rhinitis by guidelines and reducing exposure to pollutants. Fexofenadine a non-sedating oral antihistamine improves AR symptoms aggravated by air pollution. However, more efficacy studies on other pharmacological therapy of coexisting AR and air pollution are currently lacking.
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Key Words
- AER, Allergic eosinophilic rhinitis
- AP, Activator protein
- AR, Allergic rhinitis
- ARE, Antioxidant response element
- Air pollutants
- Air pollution
- Allergic rhinitis
- Antioxidant enzymes
- CFS, Chronic fatigue syndrome
- CO, Carbon monoxide
- COPD, Chronic obstructive pulmonary disease
- Climate change
- DAMP, Damage-associated molecular patterns
- DEP, Diesel exhaust particles
- ECAT, Elemental carbon attributable to traffic
- ECP, Eosinophil cationic protein
- GSH-Px, Glutathione peroxidase
- HDM, House dust mites
- HEPA, High efficiency particulate air
- HO, Hemeoxygenase
- HVAC, Heating, ventilation and air conditioning
- IAP, Indoor air pollution
- IAQ, Indoor air quality
- INS, Intranasal steroids
- Indoor air quality
- LDH, Lactate dehydrogenase
- MCP, Monocyte chemotactic protein
- MSQPCR, Mold specific quantitative PCR
- NAR, Non allergic rhinitis
- NF-κβ, Nuclear factor kappa β
- NO2, Nitrogen dioxide
- NOx, Nitric oxides
- Nrf2, Nuclear factor erythroid-2 related factor
- O3, Ozone
- OAP, Outdoor air pollution
- Occupational rhinitis
- Oxidative stress
- PAMP, Pathogen-associated molecular patterns
- PM, Particulate matter
- PON, Paraoxonase
- RNS, Reactive nitrosative species
- ROS, Reactive oxygen species
- SO2, Sulphur dioxide
- SOD, Superoxide dismutase
- TLR, Toll like receptor
- TNF, Tumor necrosis factor
- TOS, Total oxidative status
- TRAP, Traffic related air pollutants
- UFP, Ultra-fine particles
- VOCs, Volatile organic compound
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12
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Trakaki A, Sturm GJ, Pregartner G, Scharnagl H, Eichmann TO, Trieb M, Knuplez E, Holzer M, Stadler JT, Heinemann A, Sturm EM, Marsche G. Allergic rhinitis is associated with complex alterations in high-density lipoprotein composition and function. Biochim Biophys Acta Mol Cell Biol Lipids 2019; 1864:1280-1292. [PMID: 31185305 DOI: 10.1016/j.bbalip.2019.06.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 05/17/2019] [Accepted: 06/05/2019] [Indexed: 12/20/2022]
Abstract
Despite strong evidence that high-density lipoproteins (HDLs) modulate the immune response, the role of HDL in allergies is still poorly understood. Many patients with allergic rhinitis (AR) develop a late-phase response, characterized by infiltration of monocytes and eosinophils into the nasal submucosa. Functional impairment of HDL in AR-patients may insufficiently suppress inflammation and cell infiltration, but the effect of AR on the composition and function of HDL is not understood. We used apolipoprotein (apo) B-depleted serum as well as isolated HDL from AR-patients (n = 43) and non-allergic healthy controls (n = 20) for detailed compositional and functional characterization of HDL. Both AR-HDL and apoB-depleted serum of AR-patients showed decreased anti-oxidative capacity and impaired ability to suppress monocyte nuclear factor-κB expression and pro-inflammatory cytokine secretion, such as interleukin (IL)-4, IL-6, IL-8, tumor necrosis factor alpha and IL-1 beta. Sera of AR-patients showed decreased paraoxonase and cholesteryl-ester transfer protein activities, increased lipoprotein-associated phospholipase A2 activity, while lecithin-cholesterol acyltransferase activity and cholesterol efflux capacity were not altered. Surprisingly, apoB-depleted serum and HDL from AR-patients showed an increased ability to suppress eosinophil effector responses upon eotaxin-2/CCL24 stimulation. Mass spectrometry and biochemical analyses showed reduced levels of apoA-I and phosphatidylcholine, but increased levels of apoA-II, triglycerides and lyso-phosphatidylcholine in AR-HDL. The changes in AR-HDL composition were associated with altered functional properties. In conclusion, AR alters HDL composition linked to decreased anti-oxidative and anti-inflammatory properties but improves the ability of HDL to suppress eosinophil effector responses.
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Affiliation(s)
- Athina Trakaki
- Division of Pharmacology, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Medical University of Graz, Universitätsplatz 4, 8010 Graz, Austria
| | - Gunter J Sturm
- Department of Dermatology and Venerology, Medical University of Graz, Auenbruggerplatz 8, 8036 Graz, Austria; Allergy Outpatient Clinic Reumannplatz, Vienna, Austria
| | - Gudrun Pregartner
- Institute of Medical Informatics, Statistics and Documentation, Medical University of Graz, Auenbruggerplatz 2/9/V, 8036 Graz, Austria
| | - Hubert Scharnagl
- Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Auenbruggerplatz 15, 8036 Graz, Austria
| | - Thomas O Eichmann
- Institute of Molecular Biosciences, University of Graz, Graz, Austria; Center for Explorative Lipidomics, BioTechMed-Graz, Graz, Austria
| | - Markus Trieb
- Division of Pharmacology, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Medical University of Graz, Universitätsplatz 4, 8010 Graz, Austria
| | - Eva Knuplez
- Division of Pharmacology, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Medical University of Graz, Universitätsplatz 4, 8010 Graz, Austria
| | - Michael Holzer
- Division of Pharmacology, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Medical University of Graz, Universitätsplatz 4, 8010 Graz, Austria
| | - Julia T Stadler
- Division of Pharmacology, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Medical University of Graz, Universitätsplatz 4, 8010 Graz, Austria
| | - Akos Heinemann
- Division of Pharmacology, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Medical University of Graz, Universitätsplatz 4, 8010 Graz, Austria.; BioTechMed Graz, Mozartgasse 12/II, 8010 Graz, Austria
| | - Eva M Sturm
- Division of Pharmacology, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Medical University of Graz, Universitätsplatz 4, 8010 Graz, Austria..
| | - Gunther Marsche
- Division of Pharmacology, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Medical University of Graz, Universitätsplatz 4, 8010 Graz, Austria.; BioTechMed Graz, Mozartgasse 12/II, 8010 Graz, Austria.
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13
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Baek JO, Lee JR, Roh JY, Jung Y. Oral tolerance modulates the skin transcriptome in mice with induced atopic dermatitis. Allergy 2018; 73:962-966. [PMID: 29168893 DOI: 10.1111/all.13367] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/17/2017] [Indexed: 01/06/2023]
Abstract
Defective gut immune reactions have been implicated in the development of atopic dermatitis (AD), whereas oral tolerance (OT), that is, the immune unresponsiveness induced by oral antigen administration, protects mice against AD. To investigate this protective role of OT, the transcriptomic profiles of skin were obtained by RNA sequencing from mice that were epicutaneously sensitized, orally tolerized prior to epicutaneous sensitization, or neither (control). Oral tolerance inhibited the upregulation of keratin- and allergic inflammation-associated genes that occurred in the epicutaneously sensitized group. Compared to the controls, mice that were orally tolerized and epicutaneously sensitized showed an upregulation of genes that regulate inflammation or keratinocyte differentiation. Knocking down two of those genes, SCGB1A1 and TSC22D3, upregulated Th2 inflammatory mediators and downregulated a cornified cell envelope-related gene. Based on our findings, OT may protect skin against allergic inflammation by promoting the expression of genes that regulate Th2 inflammatory responses and skin barrier function.
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Affiliation(s)
- J. O. Baek
- Department of Dermatology; Gachon University Gil Medical Center; Incheon Korea
| | - J. R. Lee
- Department of Dermatology; Gachon University Gil Medical Center; Incheon Korea
| | - J. Y. Roh
- Department of Dermatology; Gachon University Gil Medical Center; Incheon Korea
| | - Y. Jung
- Department of Microbiology; School of Medicine; Gachon University; Incheon Korea
- Gachon Advanced Institute for Health Science & Technology; Gachon University; Incheon Korea
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14
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Ulusoy S, Ayan NN, Dinc ME, Is A, Bicer C, Erel O. A new oxidative stress marker for thiol-disulphide homeostasis in seasonal allergic rhinitis. Am J Rhinol Allergy 2017; 30:53-7. [PMID: 27216335 DOI: 10.2500/ajra.2016.30.4308] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
BACKGROUND Reactive oxygen species has a crucial role in the pathogenesis of many diseases. Reactive oxygen species has been effectively documented in patients with asthma, but very little research has been reported in subjects with allergic rhinitis. OBJECTIVES To investigate thiol (SH)-disulfide (SS) homeostasis, a new oxidative stress marker present in patients with seasonal allergic rhinitis (SAR). METHODS A total of 64 subjects, including 32 patients with SAR and 32 healthy controls, were included in the study. We measured the SH levels as a marker of antioxidant protection and SS as a marker related to oxidant stress. Sera specimens were taken from patients with SAR during exacerbation and during asymptomatic time periods. In addition, sera samples from the control group were also obtained during the pollen season to compare with those from patients with SAR. RESULTS In patients with SAR, during exacerbation periods, SH, SS, % SS/SH, % SS to total SH (TT), and % SH/TT were significantly different (p < 0.05) than in patients with SAR during asymptomatic periods. Although SS was significantly higher in patents with SAR during exacerbation periods, SH was significantly higher in patients with SAR during asymptomatic periods. Patients with SAR during asymptomatic periods and the control group did not significantly differ (p > 0.05) regarding SH, SS, TT, % SS/SH, % SS/TT, and % SH/TT. CONCLUSION SAR is a disorder that elevates systemic oxidative stress and reduces antioxidant enzyme activities. Our results shed light on the etiopathogenesis of the disease and can help develop new therapeutic approaches.
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Affiliation(s)
- Seckin Ulusoy
- Department of Otorhinolaryngology, Gaziosmanpasa Taksim Education and Research Hospital, Istanbul, Turkey
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15
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Koc S, Cayli S, Aksakal C, Ocakli S, Soyalic H, Somuk BT, Yüce S. Protective effects of melatonin and selenium against apoptosis of olfactory sensory neurons: A rat model study. Am J Rhinol Allergy 2017; 30:62-6. [PMID: 27216337 DOI: 10.2500/ajra.2016.30.4313] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND Selenium plays a role in the prevention of oxidative damage and has been linked to regulatory functions in cell growth, apoptosis, cell survival, and cytotoxicity. Melatonin has an antioxidant effect, which protects against a number of free radical species. Given its antioxidant properties, melatonin has been widely known to inhibit neuronal apoptosis. We examined the cytoprotective effects of melatonin and selenium in rat olfactory sensory neurons after rhinosinusitis by immunohistochemical evaluation of olfactory bulb mucosa. METHODS Rhinosinusitis was induced bilaterally in 24 animals. Twenty-four rats were randomly divided into three equal groups. The melatonin group was treated with intraperitoneal (i.p.) melatonin and ampicillin-sulbactam, the selenium group was treated with i.p. selenium and ampicillin-sulbactam, the antibiotic group was treated with i.p. ampicillin-sulbactam; all three groups were treated for 10 days. After a period of 10 days of treatment, the animals were killed for immunohistochemical analyses. All olfactory bulb mucosae were removed immediately. RESULTS No histochemical differences were found in the three groups. Terminal deoxynucleotidyl transferase 2'-deoxyuridine 5'-triphosphate nick end labeling-positive cells were detected in each group. In the antibiotic group, the appearance of apoptotic cells was higher, whereas the number of apoptotic cells significantly decreased in the melatonin group. When compared with the selenium group, fewer terminal deoxynucleotidyl transferase 2'-deoxyuridine 5'-triphosphate nick end labeling-positive cells were observed in the melatonin group, which was not significant. In the antibiotic group, the cytoplasmic active caspase-3 and Bax immunostaining in the olfactory epithelium and glandular cells of stroma were higher when compared with the immunostaining in melatonin and selenium groups. Active caspase-3 and Bax immunostaining in the subepithelial stroma was dramatically reduced in the melatonin group. In contrast, the staining intensity and the number of Bcl-2 immunopositive cells were significantly increased in the melatonin group. In the selenium group, Bax and active caspase-3 were moderately immunopositive in the epithelium and subepithelial stroma. However, Bcl-2 immunostaining was more pronounced in the olfactory epithelium and some stromal cells. CONCLUSION Our results indicated the possibility that the supplementation of melatonin and selenium, two antioxidant agents for the treatments in the rhinosinusitis rat model, might be reduced or prevent anosmia.
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Affiliation(s)
- Sema Koc
- Department of ENT Head and Neck Surgery, Antalya Education and Research Hospital, Antalya, Turkey
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16
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"Cumulative Stress": The Effects of Maternal and Neonatal Oxidative Stress and Oxidative Stress-Inducible Genes on Programming of Atopy. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:8651820. [PMID: 27504149 PMCID: PMC4967692 DOI: 10.1155/2016/8651820] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/25/2016] [Revised: 05/27/2016] [Accepted: 06/22/2016] [Indexed: 12/16/2022]
Abstract
Although extensive epidemiological and laboratory studies have been performed to identify the environmental and immunological causes of atopy, genetic predisposition seems to be the biggest risk factor for allergic diseases. The onset of atopic diseases may be the result of heritable changes of gene expression, without any alteration in DNA sequences occurring in response to early environmental stimuli. Findings suggest that the establishment of a peculiar epigenetic pattern may also be generated by oxidative stress (OS) and perpetuated by the activation of OS-related genes. Analyzing the role of maternal and neonatal oxidative stress and oxidative stress-inducible genes, the purpose of this review was to summarize what is known about the relationship between maternal and neonatal OS-related genes and the development of atopic diseases.
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17
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Dadaci Z, Oncel M, Oncel Acir N, Sahin E, Borazan M. Oxidative stress parameters and serum magnesium levels in patients with seasonal allergic conjunctivitis. Cutan Ocul Toxicol 2015; 35:270-4. [PMID: 26555509 DOI: 10.3109/15569527.2015.1100634] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE To evaluate oxidative stress parameters and serum magnesium (Mg) levels in patients with seasonal allergic conjunctivitis (SAC) during the pollen season. METHODS This observational cross-sectional study involved 35 patients with SAC without any other ocular and systemic diseases, and 38 consecutive, age- and sex-matched healthy subjects. Serum malondialdehyde (MDA), adjusted ischemia modified albumin (IMA), and Mg levels were quantified, and the results were compared between the groups. RESULTS No significant differences were found between the groups with respect to age (p = 0.416) and sex (p = 0.362). Serum MDA and adjusted IMA levels of the subjects with SAC (69.54 ± 7.71 μM and 0.74 ± 0.39 ABSU) were significantly higher than the control group (64.61 ± 5.89 μM and 0.57 ± 0.19 ABSU) (p = 0.002 and p = 0.025, respectively). There was no significant difference for serum Mg levels between the groups (p = 0.177). CONCLUSION We demonstrated higher levels of oxidative stress parameters in patients with SAC compared to the control group, which imply a possible role of oxidative stress in the pathogenesis of SAC.
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Affiliation(s)
- Zeynep Dadaci
- a Department of Ophthalmology , Mevlana (Rumi) University School of Medicine , Konya , Turkey and
| | - Mufide Oncel
- b Department of Clinical Biochemistry , Mevlana (Rumi) University School of Medicine , Konya , Turkey
| | - Nursen Oncel Acir
- a Department of Ophthalmology , Mevlana (Rumi) University School of Medicine , Konya , Turkey and
| | - Emel Sahin
- b Department of Clinical Biochemistry , Mevlana (Rumi) University School of Medicine , Konya , Turkey
| | - Mehmet Borazan
- a Department of Ophthalmology , Mevlana (Rumi) University School of Medicine , Konya , Turkey and
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18
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Emin O, Hasan A, Rusen DM. Plasma paraoxonase, oxidative status level, and their relationship with asthma control test in children with asthma. Allergol Immunopathol (Madr) 2015; 43:346-52. [PMID: 25305730 DOI: 10.1016/j.aller.2014.05.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2014] [Revised: 05/02/2014] [Accepted: 05/25/2014] [Indexed: 01/11/2023]
Abstract
BACKGROUND Assessment of asthma with a control test has been suggested as a relevant approach in recent years. However, no biomarker of systemic inflammation has been included in the assessment of asthma control. OBJECTIVE To evaluate plasma paraoxonase (PON1), total oxidant status (TOS), and total antioxidant status (TAS) levels in children with asthma according to the disease control, and the performance in the identification of uncontrolled patients. METHODS Stable asthmatic children (n=85) and healthy controls (n=55) were recruited for this study. Blood samples were collected for plasma PON1, TOS, and TAS measurements. Any contributing factors that may affect plasma PON1, TAS, and TOS levels were excluded from both groups. The diagnostic potential of these measures was evaluated using receiver operating characteristic (ROC) analysis. RESULTS Comparing the asthmatic children with the control group, plasma TAS and TOS levels were significantly higher (TAS; 6.9 ± 2.1, 1.05 ± 0.32, P<0.001, and TOS; 12.5 ± 3.4, 5.5 ± 3.8, P<0.001, respectively) and PON1 level was significantly lower (156.5 ± 55, 298.6 ± 87.6, respectively, P<0.001) in the asthmatic group than controls. In ROC analysis, PON1 presented an AUC 0.679 and TOS presented an AUC 0.645 for the identification of uncontrolled asthma, respectively. Asthma Control Test (ACT) presented an AUC of 0.972 for the identification of uncontrolled asthma. CONCLUSION PON1 and TOS levels may be systemic markers of uncontrolled asthma in children. Combined use of these two biomarkers with asthma control test may identify patients with uncontrolled asthma in children.
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Affiliation(s)
- O Emin
- Department of Pediatrics, Division of Pediatric Allergy, Bezmialem Vakif University, Istanbul, Turkey.
| | - A Hasan
- Department of Pediatrics, Kurtalan National Government Hospital, Kurtalan-Siirt, Turkey
| | - D M Rusen
- Department of Pediatrics, Bezmialem Vakif University, Istanbul, Turkey
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Nakamaru Y, Takagi D, Homma A, Hatakeyama S, Fukuda S. Oxidative Stress Regulates IL-4 Gene Expression in Mast Cells through the Reduction of Histone Deacetylase. Otolaryngol Head Neck Surg 2014; 152:48-52. [DOI: 10.1177/0194599814559189] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Objective Many proinflammatory cytokines are regulated by the acetylation and deacetylation of the core histone. Since dysregulation of T helper 2 cytokine production is a key in the pathogenesis of allergic diseases, we examined the role of histone deacetylase (HDAC) on interleukin (IL)–4 gene expression in mast cells. We also examined whether oxidative stress has any impact on HDAC activity. Study Design In vitro study. Setting Academic research laboratory. Methods An IgE-sensitized mast cell line (RBL-2H3 cells) was treated with varying concentrations of the HDAC inhibitors trichostatin A (TSA) and H2O2 and stimulated with antigens. The amount of IL-4 gene expression was quantified by real-time polymerase chain reaction. Quantitative measurement of IL-4 in the cell supernatant was performed using enzyme-linked immunosorbent assay. Moreover, HDAC activity was measured with the use of a nonisotopic assay that utilized an HDAC Fluorescent Activity Assay Kit. Results IL-4 mRNA expression was induced by antigens in IgE-sensitized RBL-2H3 cells. Pretreatment with TSA and H2O2 enhanced IL-4 mRNA expression up to 5-fold in a dose-dependent manner. Furthermore, HDAC activity in RBL-2H3 cells was reduced after treatment with H2O2. Conclusion Our results suggest that oxidative stress may up-regulate IL-4 gene expression in mast cells via a decrease in HDAC activity.
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Affiliation(s)
- Yuji Nakamaru
- Department of Otolaryngology–Head and Neck Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Dai Takagi
- Department of Otolaryngology–Head and Neck Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Akihiro Homma
- Department of Otolaryngology–Head and Neck Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Shigetsugu Hatakeyama
- Department of Biochemistry, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Satoshi Fukuda
- Department of Otolaryngology–Head and Neck Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
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Dokuyucu R, Cevik C, Ozler GS, Ozgur T, Arli C, Sefil F, Yonden Z. Determination of oxidative stress and effect of erdosteine on rhinitis medicamentosa in a rat model. Eur J Pharmacol 2014; 742:153-7. [PMID: 25240710 DOI: 10.1016/j.ejphar.2014.09.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Revised: 08/26/2014] [Accepted: 09/05/2014] [Indexed: 11/30/2022]
Abstract
We aimed to determine the presence of oxidative stress in rhinitis medicamentosa (RM) and to evaluate the effect of erdosteine (ED) on mucosal changes in a rat model. Twenty-four male rats were used in this experimental study. Three groups were created. Group 1 (n=8) was the control group. Two puffs of 0.05% oxymetazolin were sprayed into the nasal cavities of the remaining rats (n=16) three times daily for eight weeks. One of these 16 rats was scarified at the end of the eight weeks and examined to confirm the presence of RM. Seven of the remaining 16 rats were killed, and venous blood samples were taken (Group 2). Group 3 (n=8) received 10mg/kg of an ED suspension orally for seven days. All rats were put on formalin for light microscopy. The total antioxidant status (TAS) was similar in all groups (p=0.073). The total oxidative status (TOS) of the RM group was significantly higher than that of the control group and RM+ED group (Group 3) (p=0.003 and p=0.011, respectively). The pathological recovery of the nasal mucosa of the rats was similar in the RM+ED and control groups. The TOS was high in this RM rat model, and oxidative stress was associated with RM. ED significantly ameliorated nasal mucosal changes induced by RM, suggesting that oxidative stress may play an important role in the pathophysiology of this condition.
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Affiliation(s)
- Recep Dokuyucu
- Department of Medical Physiology, Medical Faculty, Mustafa Kemal University, 31100 Hatay, Turkey.
| | - Cengiz Cevik
- Department of Otolaryngology, Medical Faculty, Mustafa Kemal University, Hatay, Turkey
| | - Gul Soylu Ozler
- Department of Otolaryngology, Medical Faculty, Mustafa Kemal University, Hatay, Turkey
| | - Tumay Ozgur
- Department of Pathology, Medical Faculty, Mustafa Kemal University, Hatay, Turkey
| | - Cengiz Arli
- Department of Otolaryngology, Medical Faculty, Mustafa Kemal University, Hatay, Turkey
| | - Fatih Sefil
- Department of Medical Physiology, Medical Faculty, Mustafa Kemal University, 31100 Hatay, Turkey
| | - Zafer Yonden
- Mustafa Kemal University, School of Medicine, Department of Biochemistry, Hatay, Turkey
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