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Jiang Y, Nguyen TV, Jin J, Yu ZN, Song CH, Chai OH. Tectorigenin inhibits oxidative stress by activating the Keap1/Nrf2/HO-1 signaling pathway in Th2-mediated allergic asthmatic mice. Free Radic Biol Med 2024; 212:207-219. [PMID: 38147892 DOI: 10.1016/j.freeradbiomed.2023.12.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/01/2023] [Accepted: 12/20/2023] [Indexed: 12/28/2023]
Abstract
Asthma is a chronic obstructive airway condition and one of the most common non-communicable illnesses worldwide. Tectorigenin (Tec) is an isoflavonoid found in plants that possesses significant antioxidative and anti-inflammatory abilities. Nevertheless, the antioxidative properties of Tec have not yet been documented in allergic asthma. In this study, we created an asthmatic BALB/c mouse model induced by ovalbumin (OVA) and used it to assess the efficacy of Tec as a possible therapy agent. Tec decreased the serum OVA-specific immunoglobulin (Ig) E and IgG1 secretion levels. The total number of cells and the distribution of inflammatory cells decreased significantly in bronchoalveolar lavage fluid (BALF), with weakened inflammatory reaction in pulmonary tissues. Additionally, Tec regulated the T helper 1(Th1)/Th2 balance by increasing the expression of Th1- related factors (interleukin (IL)-12 and T-bet) and decreasing the expression of Th2-related factors (IL-4, IL-5, IL-13, and GATA binding protein 3. In addition, the pro-inflammatory cytokines such as IL-6, tumor necrosis factor-alpha, and IL-1β were also inhibited by Tec. Tec also dramatically increased antioxidant (catalase and superoxide dismutase) concentrations while lowering the intensity of the indicators of oxidative stress such as reactive oxygen species and malondialdehyde in BALF. Finally, Tec effectively activated the Keap1/Nrf2/HO-1 signaling pathway and prevented the epithelial-mesenchymal transition. The results of the current study show that Tec may be useful in relieving the inflammatory and oxidative stress responses associated with asthma.
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Affiliation(s)
- Yuna Jiang
- Department of Anatomy, Jeonbuk National University Medical School, Jeonju, 54896, Republic of Korea
| | - Thi Van Nguyen
- Department of Anatomy, Jeonbuk National University Medical School, Jeonju, 54896, Republic of Korea
| | - Juan Jin
- Department of Anatomy, Jeonbuk National University Medical School, Jeonju, 54896, Republic of Korea
| | - Zhen Nan Yu
- Department of Anatomy, Jeonbuk National University Medical School, Jeonju, 54896, Republic of Korea
| | - Chang Ho Song
- Department of Anatomy, Jeonbuk National University Medical School, Jeonju, 54896, Republic of Korea; Institute for Medical Sciences, Jeonbuk National University Medical School, Jeonju, 54896, Jeonbuk, Republic of Korea.
| | - Ok Hee Chai
- Department of Anatomy, Jeonbuk National University Medical School, Jeonju, 54896, Republic of Korea; Institute for Medical Sciences, Jeonbuk National University Medical School, Jeonju, 54896, Jeonbuk, Republic of Korea.
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Cordiano R, Di Gioacchino M, Mangifesta R, Panzera C, Gangemi S, Minciullo PL. Malondialdehyde as a Potential Oxidative Stress Marker for Allergy-Oriented Diseases: An Update. Molecules 2023; 28:5979. [PMID: 37630231 PMCID: PMC10457993 DOI: 10.3390/molecules28165979] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 08/05/2023] [Accepted: 08/07/2023] [Indexed: 08/27/2023] Open
Abstract
Malondialdehyde (MDA) is a compound that is derived from the peroxidation of polyunsaturated fatty acids. It has been used as a biomarker to measure oxidative stress in various biological samples in patients who are affected by a wide range of diseases. The aim of our work is to provide an updated overview of the role of MDA as a marker of oxidative stress in allergy-related diseases. We considered studies involving both paediatric and adult patients affected by rhinitis, asthma, urticaria and atopic dermatitis. The measurement of MDA was performed on different types of samples. The reported data highlight the role of serum MDA in inflammatory airway diseases. According to the literature review, the oxidative stress status in asthmatic patients, assessed via MDA determination, appears to worsen in the presence of other allergic airway diseases and in relation to the disease severity. This suggests that MDA can be a suitable marker for monitoring the disease status. However, there are several limitations in the considered studies due to the different samples used and the lack of phenotyping and description of the clinical period of patients examined. In cutaneous allergic diseases, the role of MDA is controversial because of the smallness of the studies and the heterogeneity of the samples and patients.
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Affiliation(s)
- Raffaele Cordiano
- Unit and School of Allergy and Clinical Immunology, Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (R.C.); (C.P.); (S.G.); (P.L.M.)
| | - Mario Di Gioacchino
- Center of Advanced Science and Technology (CAST), G. D’Annunzio University, 66100 Chieti, Italy;
- YDA—Institute of Clinical Immunotherapy and Advanced Biological Treatments, 65121 Pescara, Italy
| | - Rocco Mangifesta
- Center of Advanced Science and Technology (CAST), G. D’Annunzio University, 66100 Chieti, Italy;
| | - Claudia Panzera
- Unit and School of Allergy and Clinical Immunology, Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (R.C.); (C.P.); (S.G.); (P.L.M.)
| | - Sebastiano Gangemi
- Unit and School of Allergy and Clinical Immunology, Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (R.C.); (C.P.); (S.G.); (P.L.M.)
| | - Paola Lucia Minciullo
- Unit and School of Allergy and Clinical Immunology, Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (R.C.); (C.P.); (S.G.); (P.L.M.)
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Blood Inflammatory-like and Lung Resident-like Eosinophils Affect Migration of Airway Smooth Muscle Cells and Their ECM-Related Proliferation in Asthma. Int J Mol Sci 2023; 24:ijms24043469. [PMID: 36834879 PMCID: PMC9958882 DOI: 10.3390/ijms24043469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/27/2023] [Accepted: 02/07/2023] [Indexed: 02/11/2023] Open
Abstract
Airway remodeling is a hallmark feature of asthma, and one of its key structural changes is increased airway smooth muscle (ASM) mass and disturbed extracellular matrix (ECM) homeostasis. Eosinophil functions in asthma are broadly defined; however, we lack knowledge about eosinophil subtypes' interaction with lung structural cells and their effect on the airway's local microenvironment. Therefore, we investigated the effect of blood inflammatory-like eosinophils (iEOS-like) and lung resident-like eosinophils (rEOS-like) on ASM cells via impact on their migration and ECM-related proliferation in asthma. A total of 17 non-severe steroid-free allergic asthma (AA), 15 severe eosinophilic asthma (SEA) patients, and 12 healthy control subjects (HS) were involved in this study. Peripheral blood eosinophils were enriched using Ficoll gradient centrifugation and magnetic separation, subtyped by using magnetic separation against CD62L. ASM cell proliferation was assessed by AlamarBlue assay, migration by wound healing assay, and gene expression by qRT-PCR analysis. We found that blood iEOS-like and rEOS-like cells from AA and SEA patients' upregulated genes expression of contractile apparatus proteins, COL1A1, FN, TGF-β1 in ASM cells (p < 0.05), and SEA eosinophil subtypes demonstrated the highest effect on sm-MHC, SM22, and COL1A1 gene expression. Moreover, AA and SEA patients' blood eosinophil subtypes promoted migration of ASM cells and their ECM-related proliferation, compared with HS (p < 0.05) with the higher effect of rEOS-like cells. In conclusion, blood eosinophil subtypes may contribute to airway remodeling by upregulating contractile apparatus and ECM component production in ASM cells, further promoting their migration and ECM-related proliferation, with a stronger effect of rEOS-like cells and in SEA.
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Oxidative Stress, Environmental Pollution, and Lifestyle as Determinants of Asthma in Children. BIOLOGY 2023; 12:biology12010133. [PMID: 36671825 PMCID: PMC9856068 DOI: 10.3390/biology12010133] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/06/2023] [Accepted: 01/11/2023] [Indexed: 01/18/2023]
Abstract
Exposure to cigarette smoke, allergens, viruses, and other environmental contaminants, as well as a detrimental lifestyle, are the main factors supporting elevated levels of airway oxidative stress. Elevated oxidative stress results from an imbalance in reactive oxygen species (ROS) production and efficiency in antioxidant defense systems. Uncontrolled increased oxidative stress amplifies inflammatory processes and tissue damage and alters innate and adaptive immunity, thus compromising airway homeostasis. Oxidative stress events reduce responsiveness to corticosteroids. These events can increase risk of asthma into adolescence and prompt evolution of asthma toward its most severe forms. Development of new therapies aimed to restore oxidant/antioxidant balance and active interventions aimed to improve physical activity and quality/quantity of food are all necessary strategies to prevent asthma onset and avoid in asthmatics evolution toward severe forms of the disease.
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Xiao S, Zhou Y, Gao H, Yang D. Dexmedetomidine attenuates airway inflammation and oxidative stress in asthma via the Nrf2 signaling pathway. Mol Med Rep 2022; 27:2. [PMID: 36321783 PMCID: PMC9673067 DOI: 10.3892/mmr.2022.12889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 10/11/2022] [Indexed: 12/03/2022] Open
Abstract
Allergic asthma is a chronic inflammatory disease in which oxidative stress serves a pivotal role. In clinical practice, dexmedetomidine (DEX), an α‑2‑adrenergic receptor agonist, is used as a sedative. DEX exhibits antioxidative and organ‑protective properties. In a murine model of asthma, DEX has a therapeutic effect via the toll like receptor 4/NF‑кB signaling pathway; however, whether DEX can exert an antioxidative effect on asthma has yet to be elucidated. In the present study, a T helper (Th)2‑dominant murine asthma model was established. DEX treatment significantly reduced eosinophilic airway inflammation, mucus overproduction and airway hyperresponsiveness, as well as the concentrations of Th2 cytokines. The lung tissues of mice with asthma were characterized by redox imbalance (increased oxidative stress and impaired antioxidant capacity). DEX treatment alleviated this imbalance by decreasing the levels of malondialdehyde and reactive oxygen species, and increasing the levels of glutathione. Furthermore, the nuclear factor erythroid 2‑related factor 2 (Nrf2) signaling pathway was inhibited in the lung tissues of asthmatic mice; these effects were noted in its downstream genes, heme oxygenase 1 and glutathione peroxidase 4. In mice with asthma, DEX treatment induced the expression of these antioxidant genes and the activation of Nrf2, whereas ML385 (an inhibitor of Nrf2) partially abrogated the antioxidative and therapeutic effects of DEX. To the best of our knowledge, the present study is the first to demonstrate the protective effect of DEX on Th2‑dominant asthma through the activation of the Nrf2 signaling pathway. The results suggested that the antioxidative properties of DEX could be beneficial in clinical application of DEX for the relief of asthmatic symptoms.
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Affiliation(s)
- Shilin Xiao
- Department of Anesthesiology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100144, P.R. China
| | - Ying Zhou
- Department of Anesthesiology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100144, P.R. China
| | - Huibin Gao
- Department of Anesthesiology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100144, P.R. China
| | - Dong Yang
- Department of Anesthesiology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100144, P.R. China,Correspondence to: Professor Dong Yang, Department of Anesthesiology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 33 Badachu Road, Shijingshan, Beijing 100144, P.R. China, E-mail:
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Ammar M, Bahloul N, Amri O, Omri R, Ghozzi H, Kammoun S, Zeghal K, Ben Mahmoud L. Oxidative stress in patients with asthma and its relation to uncontrolled asthma. J Clin Lab Anal 2022; 36:e24345. [PMID: 35318723 PMCID: PMC9102642 DOI: 10.1002/jcla.24345] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 02/04/2022] [Accepted: 02/27/2022] [Indexed: 11/17/2022] Open
Abstract
This study aims to evaluate markers of oxidative stress in Tunisian asthmatic patients and investigate whether their markers are correlated with uncontrolled asthma. This prospective cohort study was conducted on 48 healthy subjects and 60 patients with asthma (34 patients with controlled asthma and 26 patients with uncontrolled asthma). The levels of malondialdehyde (MDA), advanced oxidation protein products (AOPP), and glutathione (GSH), as well as the activities of glutathione peroxidase (GPx) and superoxide dismutase (SOD), were estimated in plasma by spectrophotometry. Asthmatic patients have significantly higher plasmatic levels of MDA and AOPP than healthy controls (p < 0.001). Lower GSH level and GPx activity were found in patients with asthma compared to controls (p < 0.001). In contrast, higher SOD activity was noted in asthmatic patients (p < 0.001). The comparison among the patients with controlled asthma and uncontrolled asthma revealed increased MDA and AOPP levels and SOD activity (p < 0.001) as well as a decreased GSH level and GPx activity (p = 0.004, p = 0.019) in patients with uncontrolled asthma. Spirometry level was significantly correlated with SOD activity (r = 0.447; p = 0.010), whereas no significant correlations were found with the other parameters (MDA, AOPP, GSH, and GPx). Asthmatic patients, especially those with uncontrolled asthma, suffer a high degree of reactive oxygen species (ROS) formation causing considerable oxidative stress. Increased MDA level and SOD activity and reduced GPx activity were predictors of poorly controlled asthma.
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Affiliation(s)
- Mariam Ammar
- Department of pharmacology, Faculty of Medicine, Sfax University, Sfax, Tunisia
| | - Najla Bahloul
- Department of Pneumoallergology, Hedi Chaker Hospital, University of Sfax, Sfax, Tunisia
| | - Oumayma Amri
- Department of pharmacology, Faculty of Medicine, Sfax University, Sfax, Tunisia
| | - Ribh Omri
- Department of pharmacology, Faculty of Medicine, Sfax University, Sfax, Tunisia
| | - Hanene Ghozzi
- Department of pharmacology, Faculty of Medicine, Sfax University, Sfax, Tunisia
| | - Samy Kammoun
- Department of Pneumoallergology, Hedi Chaker Hospital, University of Sfax, Sfax, Tunisia
| | - Khaled Zeghal
- Department of pharmacology, Faculty of Medicine, Sfax University, Sfax, Tunisia
| | - Lobna Ben Mahmoud
- Department of pharmacology, Faculty of Medicine, Sfax University, Sfax, Tunisia
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Allam VSRR, Paudel KR, Gupta G, Singh SK, Vishwas S, Gulati M, Gupta S, Chaitanya MVNL, Jha NK, Gupta PK, Patel VK, Liu G, Kamal MA, Hansbro PM, Oliver BGG, Chellappan DK, Dua K. Nutraceuticals and mitochondrial oxidative stress: bridging the gap in the management of bronchial asthma. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:62733-62754. [PMID: 35796922 PMCID: PMC9477936 DOI: 10.1007/s11356-022-21454-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 06/10/2022] [Indexed: 02/05/2023]
Abstract
Asthma is a chronic inflammatory disease primarily characterized by inflammation and reversible bronchoconstriction. It is currently one of the leading causes of morbidity and mortality in the world. Oxidative stress further complicates the pathology of the disease. The current treatment strategies for asthma mainly involve the use of anti-inflammatory agents and bronchodilators. However, long-term usage of such medications is associated with severe adverse effects and complications. Hence, there is an urgent need to develop newer, novel, and safe treatment modalities for the management of asthma. This has therefore prompted further investigations and detailed research to identify and develop novel therapeutic interventions from potent untapped resources. This review focuses on the significance of oxidative stressors that are primarily derived from both mitochondrial and non-mitochondrial sources in initiating the clinical features of asthma. The review also discusses the biological scavenging system of the body and factors that may lead to its malfunction which could result in altered states. Furthermore, the review provides a detailed insight into the therapeutic role of nutraceuticals as an effective strategy to attenuate the deleterious effects of oxidative stress and may be used in the mitigation of the cardinal features of bronchial asthma.
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Affiliation(s)
| | - Keshav Raj Paudel
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, School of Life Sciences, Faculty of Science, Sydney, NSW, 2007, Australia
| | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, Jaipur, India
- Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
- Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, India
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, P.O. Box: 123 Broadway, Ultimo, NSW, 2007, Australia
| | - Sukriti Vishwas
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Monica Gulati
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, P.O. Box: 123 Broadway, Ultimo, NSW, 2007, Australia
| | - Saurabh Gupta
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | | | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering & Technology (SET), Sharda University, Greater Noida, Uttar Pradesh, India
- Department of Biotechnology, School of Applied & Life Sciences (SALS), Uttaranchal University, Dehradun, 248007, India
| | - Piyush Kumar Gupta
- Department of Life Sciences, School of Basic Sciences and Research (SBSR), Sharda University, Greater Noida, Uttar Pradesh, Australia
| | - Vyoma K Patel
- School of Clinical Medicine, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW, 2052, Australia
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Gang Liu
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, School of Life Sciences, Faculty of Science, Sydney, NSW, 2007, Australia
| | - Mohammad Amjad Kamal
- King Fahd Medical Research Center, King Abdulaziz University, P. O. Box 80216, Jeddah, 21589, Saudi Arabia
- Institutes for Systems Genetics, Frontiers Science Center for Disease related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
- Enzymoics, Novel Global Community Educational Foundation, 7 Peterlee Place, Hebersham, NSW, 2770, Australia
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, 1207, Bangladesh
| | - Philip M Hansbro
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, School of Life Sciences, Faculty of Science, Sydney, NSW, 2007, Australia
| | - Brian Gregory George Oliver
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Ultimo, NSW, Australia
- Woolcock Institute of Medical Research, University of Sydney, Sydney, NSW, Australia
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur, 57000, Malaysia
| | - Kamal Dua
- Woolcock Institute of Medical Research, University of Sydney, Sydney, NSW, Australia.
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, P.O. Box: 123 Broadway, Ultimo, NSW, 2007, Australia.
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW, 2007, Australia.
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Saadat S, Boskabady MH. Anti-inflammatory and Antioxidant Effects of Rosuvastatin on Asthmatic, Hyperlipidemic, and Asthmatic-Hyperlipidemic Rat Models. Inflammation 2021; 44:2279-2290. [PMID: 34226988 DOI: 10.1007/s10753-021-01499-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 04/30/2021] [Accepted: 06/04/2021] [Indexed: 10/20/2022]
Abstract
Statins could be of potential therapeutic effect in asthma due to their pleiotropic effects on inflammation process. This study aimed to examine the possible interaction of serum lipids, and evaluate the effect of rosuvastatin treatment on asthma. Seven groups of rats, namely control (C), asthmatic (A), hyperlipidemic (H), asthmatic-hyperlipidemic (AH), rosuvastatin (40 mg/kg)-treated asthmatic (AR), rosuvastatin-treated hyperlipidemic (HR), and rosuvastatin-treated hyperlipidemic-asthmatic (AHR) groups, were studied. Total and differential WBC counts, serum oxidative stress markers, and bronchoalveolar lavage fluid (BALF) levels of IL-6 and IL-10 were evaluated. In the A and AH groups, total and differential WBC counts, and IL-6 and IL-10 levels were higher than in the C group (p<0.05 to p<0.001). An increase in nitrite and malondialdehyde concentrations and a decrease in total thiol content and superoxide dismutase and catalase activities were observed in the A, H, and AH groups compared to the C group (p<0.05 to p<0.001). Beyond lipid lowering, rosuvastatin treatment reduced total and differential WBC counts in the A and AH groups (p<0.05 to p<0.001), IL-6 level in the AH group (p<0.05), and IL-10 level in all treated groups (p<0.05). Rosuvastatin reduced oxidative stress by decreasing nitrite and malondialdehyde concentrations, and increasing total thiol content in all treated groups as well as superoxide dismutase and catalase activities in the H and AH groups (p<0.05 to p<0.01). Rosuvastatin reduced airway inflammation and oxidation through regulating NOS and reducing pro-inflammatory cytokine and inflammatory cells, which indicate a novel insight into the pleiotropic effects of rosuvastatin in treatment of asthma.
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Affiliation(s)
- Saeideh Saadat
- Department of Physiology, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Hossein Boskabady
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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Michaeloudes C, Abubakar-Waziri H, Lakhdar R, Raby K, Dixey P, Adcock IM, Mumby S, Bhavsar PK, Chung KF. Molecular mechanisms of oxidative stress in asthma. Mol Aspects Med 2021; 85:101026. [PMID: 34625291 DOI: 10.1016/j.mam.2021.101026] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 09/15/2021] [Indexed: 01/18/2023]
Abstract
The lungs are exposed to reactive oxygen species oxygen (ROS) produced as a result of inhalation of oxygen, as well as smoke and other air pollutants. Cell metabolism and the NADPH oxidases (Nox) generate low levels of intracellular ROS that act as signal transduction mediators by inducing oxidative modifications of histones, enzymes and transcription factors. Redox signalling is also regulated by localised production and sensing of ROS in mitochondria, the endoplasmic reticulum (ER) and inside the nucleus. Intracellular ROS are maintained at low levels through the action of a battery of enzymatic and non-enzymatic antioxidants. Asthma is a heterogeneous airway inflammatory disease with different immune endotypes; these include atopic or non-atopic Th2 type immune response associated with eosinophilia, or a non-Th2 response associated with neutrophilia. Airway remodelling and hyperresponsiveness accompany the inflammatory response in asthma. Over-production of ROS resulting from infiltrating immune cells, particularly eosinophils and neutrophils, and a concomitant impairment of antioxidant responses lead to development of oxidative stress in asthma. Oxidative stress is augmented in severe asthma and during exacerbations, as well as by air pollution and obesity, and causes oxidative damage of tissues promoting airway inflammation and hyperresponsiveness. Furthermore, deregulated Nox activity, mitochondrial dysfunction, ER stress and/or oxidative DNA damage, resulting from exposure to irritants, inflammatory mediators or obesity, may lead to redox-dependent changes in cell signalling. ROS play a central role in airway epithelium-mediated sensing, development of innate and adaptive immune responses, and airway remodelling and hyperresponsiveness. Nonetheless, antioxidant compounds have proven clinically ineffective as therapeutic agents for asthma, partly due to issues with stability and in vivo metabolism of these compounds. The compartmentalised nature of ROS production and sensing, and the role of ROS in homeostatic responses and in the action of corticosteroids and β2-adrenergic receptor agonists, adds another layer of complexity to antioxidant therapy development. Nox inhibitors and mitochondrial-targeted antioxidants are in clinical development for a number of diseases but they have not yet been investigated in asthma. A better understanding of the complex role of ROS in the pathogenesis of asthma will highlight new opportunities for more targeted and effective redox therapies.
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Affiliation(s)
- Charalambos Michaeloudes
- National Heart and Lung Institute, Imperial College London, London, United Kingdom; NIHR Imperial Biomedical Research Centre, United Kingdom.
| | - Hisham Abubakar-Waziri
- National Heart and Lung Institute, Imperial College London, London, United Kingdom; NIHR Imperial Biomedical Research Centre, United Kingdom
| | - Ramzi Lakhdar
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Katie Raby
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Piers Dixey
- National Heart and Lung Institute, Imperial College London, London, United Kingdom; NIHR Imperial Biomedical Research Centre, United Kingdom
| | - Ian M Adcock
- National Heart and Lung Institute, Imperial College London, London, United Kingdom; NIHR Imperial Biomedical Research Centre, United Kingdom
| | - Sharon Mumby
- National Heart and Lung Institute, Imperial College London, London, United Kingdom; NIHR Imperial Biomedical Research Centre, United Kingdom
| | - Pankaj K Bhavsar
- National Heart and Lung Institute, Imperial College London, London, United Kingdom; NIHR Imperial Biomedical Research Centre, United Kingdom
| | - Kian Fan Chung
- National Heart and Lung Institute, Imperial College London, London, United Kingdom; NIHR Imperial Biomedical Research Centre, United Kingdom; Royal Brompton & Harefield NHS Trust, London, UK
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10
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Luo XQ, Liu J, Mo LH, Yang G, Ma F, Ning Y, Yang PC, Liu DB. Flagellin Alleviates Airway Allergic Response by Stabilizing Eosinophils through Modulating Oxidative Stress. J Innate Immun 2021; 13:333-344. [PMID: 34289483 DOI: 10.1159/000515463] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 02/20/2021] [Indexed: 11/19/2022] Open
Abstract
Eosinophil (Eo) degranulation plays a central role in the initiations of allergic attacks. Flagellin (FGN), the major component of bacterial flagella, has immune regulatory functions. This study aims to investigate the role of FGN in alleviating the allergic reaction by stabilizing Eos. A toll-like receptor 5-knockout mouse strain was employed to test the role of FGN in stabilizing Eos. An airway allergy mouse model was developed to test the administration of FGN in alleviating the airway allergy by stabilizing Eos. The results showed that FGN was required in stabilizing Eos in the airway tissues. FGN prevented specific antigen-induced Eo activation. Oxidative stress was associated with the antigen-induced Eo activation that could be counteracted by the presence of FGN. The FGN levels were lower and chymase levels were higher in the airway tissues of mice with allergic inflammation. Negative correlation was detected between the data of FGN and chymase in the lung tissues. Chymase physically contacted FGN to speed up its degradation. The administration of FGN alleviated experimental allergic inflammation in the mouse airways by stabilized Eos in the lung tissues. In conclusion, FGN contributes to Eo stabilization. The administration of FGN alleviates the experimental airway allergy. The data suggest that FGN can be a candidate to be employed in the treatment of allergic disorders.
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Affiliation(s)
- Xiang-Qian Luo
- Department of Pediatric Otolaryngology, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Jun Liu
- Department of Medical Records Management, Shenzhen Maternal & Child Healthcare Hospital, Shenzhen, China
| | - Li-Hua Mo
- Department of Pediatric Otolaryngology, Shenzhen Hospital, Southern Medical University, Shenzhen, China.,Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, and Research Center of Allergy & Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Gui Yang
- Department of Otolaryngology, Longgang Central Hospital, Shenzhen, China
| | - Fei Ma
- Department of Traditional Chinese Medicine, Shenzhen Maternity & Child Healthcare Hospital, Shenzhen, China
| | - Yan Ning
- Department of Traditional Chinese Medicine, Shenzhen Maternity & Child Healthcare Hospital, Shenzhen, China
| | - Ping-Chang Yang
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, and Research Center of Allergy & Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Da-Bo Liu
- Department of Pediatric Otolaryngology, Shenzhen Hospital, Southern Medical University, Shenzhen, China
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11
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Knuplez E, Sturm EM, Marsche G. Emerging Role of Phospholipase-Derived Cleavage Products in Regulating Eosinophil Activity: Focus on Lysophospholipids, Polyunsaturated Fatty Acids and Eicosanoids. Int J Mol Sci 2021; 22:4356. [PMID: 33919453 PMCID: PMC8122506 DOI: 10.3390/ijms22094356] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 12/19/2022] Open
Abstract
Eosinophils are important effector cells involved in allergic inflammation. When stimulated, eosinophils release a variety of mediators initiating, propagating, and maintaining local inflammation. Both, the activity and concentration of secreted and cytosolic phospholipases (PLAs) are increased in allergic inflammation, promoting the cleavage of phospholipids and thus the production of reactive lipid mediators. Eosinophils express high levels of secreted phospholipase A2 compared to other leukocytes, indicating their direct involvement in the production of lipid mediators during allergic inflammation. On the other side, eosinophils have also been recognized as crucial mediators with regulatory and homeostatic roles in local immunity and repair. Thus, targeting the complex network of lipid mediators offer a unique opportunity to target the over-activation and 'pro-inflammatory' phenotype of eosinophils without compromising the survival and functions of tissue-resident and homeostatic eosinophils. Here we provide a comprehensive overview of the critical role of phospholipase-derived lipid mediators in modulating eosinophil activity in health and disease. We focus on lysophospholipids, polyunsaturated fatty acids, and eicosanoids with exciting new perspectives for future drug development.
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Affiliation(s)
| | | | - Gunther Marsche
- Otto Loewi Research Center, Division of Pharmacology, Medical University of Graz, 8010 Graz, Austria; (E.K.); (E.M.S.)
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12
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Karadogan B, Beyaz S, Gelincik A, Buyukozturk S, Arda N. Evaluation of oxidative stress biomarkers and antioxidant parameters in allergic asthma patients with different level of asthma control. J Asthma 2021; 59:663-672. [PMID: 33380228 DOI: 10.1080/02770903.2020.1870129] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVE There is evidence that reactive oxygen species, especially free radicals, produced during the immune and inflammatory response may play important roles in the development of asthma.We aimed to evaluate the levels of certain oxidative stress biomarkers and antioxidant capacity in asthma patients with different asthma control levels in comparison to healthy subjects. METHODS A total of 120 adult allergic asthma patients and 120 healthy individuals were included in this study. Using spectrophotometric methods, we analyzed two oxidative stress markers, levels of malondialdehyde (MDA) and protein carbonyls (PC), as well as reduced glutathione (GSH), total antioxidant capacity (FRAP) and catalase activity as critical antioxidant defense parameters in the blood samples of allergic asthma patients and healthy controls. The patients were divided into 3 subgroups according to asthma control test (ACT) results: totally controlled (TCG), partially controlled (PCG) and uncontrolled (UCG) subgroups. All biomarkers were compared between the three patient subgroups, as well as between total asthma patients and control subjects. RESULTS There were remarkable differences between the control group and the combined patient group for all parameters. A significant increase in MDA and PC, especially in the UCG (p < 0.01 and p < 0.05, respectively) was detected in comparison to other subgroups. Additionally, increased MDA and PC levels, as well as decreased GSH levels were observed in all subgroups individually in comparison to the control (p < 0.001). CONCLUSIONS This research demonstrates the presence of severe oxidative stress, considering the increase in lipid peroxidation and protein oxidation, in patients with allergic asthma, even under controlled conditions.
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Affiliation(s)
- Behnaz Karadogan
- Division of Molecular Biology and Genetics, Istanbul University, Institute of Graduate Studies in Sciences, Istanbul, Turkey
| | - Sengul Beyaz
- Division of Immunology and Allergic Diseases, Department of Internal Medicine, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Asli Gelincik
- Division of Immunology and Allergic Diseases, Department of Internal Medicine, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Suna Buyukozturk
- Division of Immunology and Allergic Diseases, Department of Internal Medicine, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Nazli Arda
- Department of Molecular Biology and Genetics, Istanbul University, Istanbul, Turkey.,Center for Research and Practice in Biotechnology and Genetic Engineering, Istanbul University, Istanbul, Turkey
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13
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Cyanidin-3-glucoside prevents hydrogen peroxide (H2O2)-induced oxidative damage in HepG2 cells. Biotechnol Lett 2020; 42:2453-2466. [DOI: 10.1007/s10529-020-02982-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 08/08/2020] [Indexed: 01/25/2023]
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14
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de Groot LES, Liu D, Dierdorp BS, Fens N, van de Pol MA, Sterk PJ, Kulik W, Gerlofs-Nijland ME, Cassee FR, Pinelli E, Lutter R. Ex vivo innate responses to particulate matter from livestock farms in asthma patients and healthy individuals. Environ Health 2020; 19:78. [PMID: 32620109 PMCID: PMC7333268 DOI: 10.1186/s12940-020-00632-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 06/24/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Asthma patients suffer from periodic acute worsening of symptoms (i.e. loss of asthma control or exacerbations), triggered by a variety of exogenous stimuli. With the growing awareness that air pollutants impact respiratory diseases, we investigated whether particulate matter (PM) derived from various livestock farms (BioPM) differentially affected innate and oxidative stress responses in asthma and health. METHODS Peripheral blood mononuclear cells (PBMCs), collected from patients sequentially before and during loss of asthma control and from healthy individuals, were exposed to BioPM collected from chicken, goat and pig farms (1 and 5 μg/ml), with or without pre-treatment with antioxidants. Cytokine release and oxidative stress were assessed. RESULTS PBMCs produced IFNγ, IL-1β, IL-10 and TNFα upon stimulation with BioPM, with that from pig farms inducing the highest cytokine levels. Overall, cytokine production was irrespective of the presence or state of disease. However, PBMCs from stable asthma patients upon exposure to the three BioPM showed more extreme TNFα responses than those from healthy subjects. Furthermore, PBMCs obtained during loss of asthma control that were exposed to BioPM from pig farms showed enhanced IFNγ release as well as decreased oxidative stress levels upon pre-treatment with N-acetylcysteine (NAC) compared to stable disease. NAC, but not superoxide dismutase and catalase, also counteracted BioPM-induced cytokine release, indicating the importance of intracellular reactive oxygen species in the production of cytokines. CONCLUSIONS BioPM triggered enhanced pro-inflammatory responses by PBMCs from both healthy subjects and asthma patients, with those from patients during loss of asthma control showing increased susceptibility to BioPM from pig farms in particular.
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Affiliation(s)
- Linsey E S de Groot
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.
- Department of Experimental Immunology (Amsterdam Infection & Immunity Institute), Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.
| | - Dingyu Liu
- Centre for Sustainability, Environment and Health, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, The Netherlands
| | - Barbara S Dierdorp
- Department of Experimental Immunology (Amsterdam Infection & Immunity Institute), Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Niki Fens
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Marianne A van de Pol
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Peter J Sterk
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Wim Kulik
- Laboratory Genetic Metabolic Diseases, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Miriam E Gerlofs-Nijland
- Centre for Sustainability, Environment and Health, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Flemming R Cassee
- Centre for Sustainability, Environment and Health, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, The Netherlands
| | - Elena Pinelli
- Centre for Immunology of Infectious Diseases and Vaccines, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - René Lutter
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
- Department of Experimental Immunology (Amsterdam Infection & Immunity Institute), Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
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15
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Liu X, Yi M, Jin R, Feng X, Ma L, Wang Y, Shan Y, Yang Z, Zhao B. Correlation between oxidative stress and NF-κB signaling pathway in the obesity-asthma mice. Mol Biol Rep 2020; 47:3735-3744. [PMID: 32378169 DOI: 10.1007/s11033-020-05466-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Accepted: 04/25/2020] [Indexed: 12/21/2022]
Abstract
In this study, a mice model of obesity-asthma was established. We investigated the correlation between oxidative stress and NF-κB signaling pathway in the lung tissues, together with the effects of acetylcysteine. The animals were fed on a high-fat diet, and then ovalbumin (OVA) sensitization was utilized to establish the obesity-asthma model. N-acetylcysteine was used to treat asthma, animals treated with budesonide served as control. The malondialdehyde (MDA) in the lung tissues was determined, together with the activity of glutathione (GSH). EMAS assay was utilized to measure the nuclear factor-κB-P65 (NF-κB-P65) in lung tissues. Western blot analysis was performed to determine the expression of inhibitor kappa B-α (IκB-α) and inhibitor kappa B kinase-β (IKK-β). The MDA in the asthma groups showed significantly elevation (P < 0.01), and the GSH showed significant decrease (P < 0.01), especially in the obesity-asthma group. The efficiency of N-acetylcysteine was superior to that of the budesonide in the decline of MDA and elevation of GSH (P < 0.01). In both asthma groups, the expression of IKK-β and transcription of NF-κB-P65 in the lung tissues showed significant elevation (P < 0.01), and IκB-α showed significant decline (P < 0.01), especially in the obesity-asthma group. There was decline of IKK-β and NF-κB-P65 and elevation of IκB-α in the N-acetylcysteine group, which was even significantly in the Budesonide group (P < 0.01). There was a positive correlation between MDA and NF-κB activation in the lung tissues in all the asthma groups and treatment groups (P < 0.05). Obesity-asthma mice showed higher oxidative stress and activation of NF-κB compared with that of the asthma mice. There was a positive correlation between MDA and NF-κB activation in the lung tissues in the asthma groups. N-acetylcysteine was more effective in reducing the oxidative stress compared to the budesonide.
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Affiliation(s)
- Xiaomei Liu
- Department of Pediatrics, The Affiliated Hospital of Qingdao University, No. 16, Jiangsu Road, Shinan District, Qingdao, 266003, China
| | - Mingji Yi
- Department of Pediatrics, The Affiliated Hospital of Qingdao University, No. 16, Jiangsu Road, Shinan District, Qingdao, 266003, China
| | - Rong Jin
- Department of Pediatrics, The Affiliated Hospital of Qingdao University, No. 16, Jiangsu Road, Shinan District, Qingdao, 266003, China
| | - Xueying Feng
- Department of Pediatrics, The Affiliated Hospital of Qingdao University, No. 16, Jiangsu Road, Shinan District, Qingdao, 266003, China
| | - Liang Ma
- Department of Pediatrics, The Affiliated Hospital of Qingdao University, No. 16, Jiangsu Road, Shinan District, Qingdao, 266003, China
| | - Yanxia Wang
- Department of Pediatrics, The Affiliated Hospital of Qingdao University, No. 16, Jiangsu Road, Shinan District, Qingdao, 266003, China
| | - Yanchun Shan
- Department of Pediatrics, The Affiliated Hospital of Qingdao University, No. 16, Jiangsu Road, Shinan District, Qingdao, 266003, China
| | - Zhaochuan Yang
- Department of Pediatrics, The Affiliated Hospital of Qingdao University, No. 16, Jiangsu Road, Shinan District, Qingdao, 266003, China
| | - Baochun Zhao
- Department of Pediatrics, The Affiliated Hospital of Qingdao University, No. 16, Jiangsu Road, Shinan District, Qingdao, 266003, China.
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16
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Comparison of Normal and Metaplastic Epithelium in Patients with Stable versus Persistently Symptomatic Severe Asthma Using Laser-Capture Microdissection and Data-Independent Acquisition-Mass Spectrometry. THE AMERICAN JOURNAL OF PATHOLOGY 2020; 189:2358-2365. [PMID: 31761031 DOI: 10.1016/j.ajpath.2019.08.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 08/19/2019] [Accepted: 08/22/2019] [Indexed: 02/06/2023]
Abstract
A proportion of patients with severe asthma (SA) show poor responses to traditional asthma medications; however, it remains unknown why some patients remain persistently symptomatic. Our objective was to explore the use of laser-capture microdissection of specific epithelial structures combined with quantitative data-independent acquisition mass spectrometry to elucidate differences in protein composition in patients with SA with varying symptom control. Unbiased label-free quantitative proteome analyses were performed on laser-capture-microdissected areas of specific epithelial structures from patients with SA with varying degrees of symptom control. A total of 1993 stable SA and 1652 symptomatic SA proteins in normal epithelium and 1458 stable SA and 1647 symptomatic SA proteins in metaplastic epithelium were quantified. When comparing proteome profiles based on symptom control, 33 proteins in patients with stable SA (≥twofold change; P ≤ 0.05) and 13 proteins in patients with persistently symptomatic SA (≥twofold change; P ≤ 0.05) were enriched significantly. When comparing proteome profiles based on epithelial status, 21 proteins in normal epithelium (≥twofold change; P ≤ 0.05) and 6 proteins in metaplastic epithelium (≥twofold change; P ≤ 0.05) were enriched significantly. New treatment strategies are needed for patients with severe asthma and exploratory studies of unbiased nature such as this may help when searching for new mechanisms and potential targets involved in the disease pathology.
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17
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Wang J, Cui M, Sun F, Zhou K, Fan B, Qiu JH, Chen FQ. HDAC inhibitor sodium butyrate prevents allergic rhinitis and alters lncRNA and mRNA expression profiles in the nasal mucosa of mice. Int J Mol Med 2020; 45:1150-1162. [PMID: 32124940 PMCID: PMC7053856 DOI: 10.3892/ijmm.2020.4489] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 01/17/2020] [Indexed: 12/21/2022] Open
Abstract
Our previous study demonstrated that intranasal administration of histone deacetylase inhibitor sodium butyrate (NaB) exhibits therapeutic effects on a mouse model of allergic rhinitis (AR). However, whether NaB is effective on AR when administered orally and prophylactically, as well as its potential effects on gene expression, remained unknown. The present study aimed to investigate the preventive effect of NaB on AR when added to the diet of newly weaned mice and to evaluate the changes in long non-coding (lnc)RNA and mRNA expression profiles in the nasal mucosa. Mice were randomly divided into three groups as follows: i) Control (C) group, (no treatment); ii) AR group [treated with ovalbumin (OVA)]; and iii) NaB + AR group (treated with OVA and NaB). The NaB + AR group was administered NaB in their feed (30 g/kg chow), whereas the other two groups were fed normal feed between 3 and 6 weeks of age. At 7 weeks of age, OVA administration was initiated to induce AR in the AR and NaB + AR groups. Following model establishment, behavioral assessments, western blotting and gene expression analysis were performed. NaB exhibited a preventive effect in the murine AR model, diminished the increases in histone deacetylase 1 (HDAC1) and HDAC8 expression and increased OVA-induced acetylation of histone H3 at lysine 9. In addition, NaB increased the AR-associated low expression of interleukin 2 (IL-2), interferon γ and IL-17 and decreased the expression of IL-4, IL-5 and transforming growth factor β1. Gene Ontology and pathway analyses revealed the top 10 pathways among the groups. Octamer-binding transcription factor 1, ecotropic viral integration site 1 and paired box 4 were predicted to be target genes of lncRNA (NONMMUT057309). Thus, NaB may exhibit a preventive effect on AR. Additionally, the lncRNA and mRNA expression profiles in the nasal mucosa of mice with AR differed significantly following NaB treatment. These results may provide insights into the pathogenesis of AR and suggest new treatment targets.
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Affiliation(s)
- Jie Wang
- Department of Otolaryngology‑Head and Neck Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Mu Cui
- School of Nursing, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
| | - Fei Sun
- Department of Otolaryngology‑Head and Neck Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Ke Zhou
- Department of Otolaryngology‑Head and Neck Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Bei Fan
- Department of Otolaryngology‑Head and Neck Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Jian-Hua Qiu
- Department of Otolaryngology‑Head and Neck Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Fu-Quan Chen
- Department of Otolaryngology‑Head and Neck Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi 710032, P.R. China
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18
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Menzel M, Ramu S, Calvén J, Olejnicka B, Sverrild A, Porsbjerg C, Tufvesson E, Bjermer L, Akbarshahi H, Uller L. Oxidative Stress Attenuates TLR3 Responsiveness and Impairs Anti-viral Mechanisms in Bronchial Epithelial Cells From COPD and Asthma Patients. Front Immunol 2019; 10:2765. [PMID: 31849956 PMCID: PMC6895140 DOI: 10.3389/fimmu.2019.02765] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 11/12/2019] [Indexed: 12/16/2022] Open
Abstract
COPD and asthma exacerbations are commonly triggered by rhinovirus infection. Potentially promoting exacerbations, impaired anti-viral signaling and attenuated viral clearance have been observed in diseased bronchial epithelium. Oxidative stress is a feature of inflammation in asthma and COPD and is prominent during exacerbations. It is not known whether oxidative stress affects the anti-viral signaling capacity. Bronchial epithelial cells from asthmatic and COPD donors were infected with rhinovirus or treated with the oxidative stressor H2O2 followed by exposure to the synthetic viral replication intermediate poly(I:C). Poly(I:C) was used to ascertain a constant infection-like burden. Gene and protein levels of antioxidants as well as anti-viral responses were measured 3 and 24 h post poly(I:C) exposure. Rhinovirus infection and poly(I:C) stimulation induced protein levels of the antioxidants SOD1 and SOD2. In asthmatic bronchial epithelial cells pre-treatment with H2O2 dose-dependently decreased the antioxidant response to poly(I:C), suggesting exaggerated oxidative stress. Further, poly(I:C)-induced IFNβ gene expression was reduced after pre-treatment with H2O2. This epithelial effect was associated with a reduced expression of the pattern recognition receptors RIG-I, MDA5 and TLR3 both on gene and protein level. Pre-treatment with H2O2 did not alter antioxidant responses in COPD bronchial epithelial cells and, more modestly than in asthma, reduced poly(I:C)-induced IFNβ gene expression. Knockdown of TLR3 but not RIG-I/MDA5 abrogated impairment of poly(I:C)-induced IFNβ gene expression by H2O2. We developed a method by which we could demonstrate that oxidative stress impairs anti-viral signaling in bronchial epithelial cells from asthmatic and COPD patients, most pronounced in asthma. The impairment apparently reflects reduced responsiveness of TLR3. These present findings shed light on molecular mechanisms potentially causing reduced interferon responses to rhinovirus infection at exacerbations in asthma and COPD. Together, our findings suggest a possible self-perpetuating vicious cycle underlying recurrent exacerbations, leading to an impaired anti-viral response, which in turn leads to viral-induced exacerbations, causing more airway inflammation.
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Affiliation(s)
- Mandy Menzel
- Unit of Respiratory Immunopharmacology, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Sangeetha Ramu
- Unit of Respiratory Immunopharmacology, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Jenny Calvén
- Unit of Respiratory Immunopharmacology, Department of Experimental Medical Science, Lund University, Lund, Sweden.,Department of Internal Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Beata Olejnicka
- Airway Inflammation Unit, Department of Experimental Medical Science, Lund University, Lund, Sweden.,Department of Internal Medicine, Trelleborg Hospital, Trelleborg, Sweden
| | - Asger Sverrild
- Department of Respiratory Medicine, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark
| | - Celeste Porsbjerg
- Department of Respiratory Medicine, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark
| | - Ellen Tufvesson
- Unit of Respiratory Medicine and Allergology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Leif Bjermer
- Unit of Respiratory Medicine and Allergology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Hamid Akbarshahi
- Unit of Respiratory Immunopharmacology, Department of Experimental Medical Science, Lund University, Lund, Sweden.,Unit of Respiratory Medicine and Allergology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Lena Uller
- Unit of Respiratory Immunopharmacology, Department of Experimental Medical Science, Lund University, Lund, Sweden
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19
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de Groot LES, van de Pol MA, Fens N, Dierdorp BS, Dekker T, Kulik W, Majoor CJ, Hamann J, Sterk PJ, Lutter R. Corticosteroid Withdrawal-Induced Loss of Control in Mild to Moderate Asthma Is Independent of Classic Granulocyte Activation. Chest 2019; 157:16-25. [PMID: 31622588 DOI: 10.1016/j.chest.2019.09.027] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 09/03/2019] [Accepted: 09/23/2019] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Loss of asthma control and asthma exacerbations are associated with increased sputum eosinophil counts. However, whether eosinophils, or the also present neutrophils, actively contribute to the accompanying inflammation has not been extensively investigated. METHODS Twenty-three patients with mild to moderate asthma were included in a standardized prospective inhaled corticosteroid (ICS) withdrawal study; 22 of the patients experienced loss of asthma control. The study assessed various immune, inflammatory, and oxidative stress parameters, as well as markers of eosinophil and neutrophil activity, in exhaled breath condensate, plasma, and sputum collected at three phases (baseline, during loss of control, and following recovery). RESULTS Loss of asthma control was characterized by increased sputum eosinophils, whereas no differences were detected between the three phases for most inflammatory and oxidative stress responses. There were also no differences detected for markers of activated eosinophils (eosinophil cationic protein and bromotyrosine) and neutrophils (myeloperoxidase and chlorotyrosine). However, free eosinophilic granules and citrullinated histone H3, suggestive of eosinophil cytolysis and potentially eosinophil extracellular trap formation, were enhanced. Baseline blood eosinophils and changes in asymmetric dimethylarginine (an inhibitor of nitric oxide synthase) in plasma were found to correlate with the decrease in FEV1 percent predicted upon ICS withdrawal (both, rs = 0.46; P = .03). CONCLUSIONS The clinical effect in mild to moderate asthma upon interruption of ICS therapy is not related to the classic inflammatory activation of eosinophils and neutrophils. It may, however, reflect another pathway underlying the onset of loss of disease control and asthma exacerbations. TRIAL REGISTRY The Netherlands Trial Register; No.: NTR3316; URL: trialregister.nl/trial/3172.
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Affiliation(s)
- Linsey E S de Groot
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands; Department of Experimental Immunology (Amsterdam Infection & Immunity Institute), Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.
| | - Marianne A van de Pol
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Niki Fens
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Barbara S Dierdorp
- Department of Experimental Immunology (Amsterdam Infection & Immunity Institute), Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Tamara Dekker
- Department of Experimental Immunology (Amsterdam Infection & Immunity Institute), Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Wim Kulik
- Laboratory Genetic Metabolic Diseases, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Christof J Majoor
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Jörg Hamann
- Department of Experimental Immunology (Amsterdam Infection & Immunity Institute), Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Peter J Sterk
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - René Lutter
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands; Department of Experimental Immunology (Amsterdam Infection & Immunity Institute), Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
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20
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de Groot LES, Sabogal Piñeros YS, Bal SM, van de Pol MA, Hamann J, Sterk PJ, Kulik W, Lutter R. Do eosinophils contribute to oxidative stress in mild asthma? Clin Exp Allergy 2019; 49:929-931. [PMID: 30891863 PMCID: PMC6850153 DOI: 10.1111/cea.13389] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 01/28/2019] [Accepted: 03/08/2019] [Indexed: 01/16/2023]
Affiliation(s)
- Linsey E S de Groot
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Department of Experimental Immunology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Yanaika S Sabogal Piñeros
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Department of Experimental Immunology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Suzanne M Bal
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Department of Experimental Immunology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Marianne A van de Pol
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Jörg Hamann
- Department of Experimental Immunology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Peter J Sterk
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Wim Kulik
- Laboratory Genetic Metabolic Diseases, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - René Lutter
- Department of Respiratory Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Department of Experimental Immunology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
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