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Park JY, Lee JW, Oh ES, Song YN, Kang MJ, Ryu HW, Kim DY, Oh SR, Lee J, Choi J, Kim N, Kim MO, Hong ST, Lee SU. Daphnetin alleviates allergic airway inflammation by inhibiting T-cell activation and subsequent JAK/STAT6 signaling. Eur J Pharmacol 2024; 979:176826. [PMID: 39033840 DOI: 10.1016/j.ejphar.2024.176826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 06/21/2024] [Accepted: 07/18/2024] [Indexed: 07/23/2024]
Abstract
Allergic asthma is a major health burden on society as a chronic respiratory disease characterized by inflammation and muscle tightening around the airways in response to inhaled allergens. Daphne kiusiana Miquel is a medicinal plant that can suppress allergic airway inflammation; however, its specific molecular mechanisms of action are unclear. In this study, we aimed to elucidate the mechanisms by which D. kiusiana inhibits allergic airway inflammation. We evaluated the anti-inflammatory effects of the ethyl acetate (EA) fraction of D. kiusiana and its major compound, daphnetin, on murine T lymphocyte EL4 cells stimulated with phorbol 12-myristate 13-acetate and ionomycin in vitro and on asthmatic mice stimulated with ovalbumin in vivo. The EA fraction and daphnetin inhibited T-helper type 2 (Th2) cytokine secretion, serum immunoglobulin E production, mucus secretion, and inflammatory cell recruitment in vivo. In vitro, daphnetin suppressed intracellular Ca2+ mobilization (a critical regulator of nuclear factor of activated T cells) and functions of the activator protein 1 transcription factor to reduce interleukin (IL)-4 and IL-13 expression. Daphnetin effectively suppressed the IL-4/-13-induced activation of Janus kinase (JAK)/signal transducer and activator of transcription 6 (STAT6) signaling in vitro and in vivo, thereby inhibiting the expression of GATA3 and PDEF, two STAT6-target genes responsible for producing Th2 cytokines and mucins. These findings indicate that daphnetin suppresses allergic airway inflammation by stabilizing intracellular Ca2+ levels and subsequently inactivating the JAK/STAT6/GATA3/PDEF pathway, suggesting that daphnetin is a promising alternative to existing asthma treatments.
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Affiliation(s)
- Ji-Yoon Park
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea; Department of Anatomy & Cell Biology, Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea.
| | - Jae-Won Lee
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
| | - Eun Sol Oh
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea; College of Bioscience and Biotechnology, Chungnam National University, Daejeon, 34134, Republic of Korea.
| | - Yu Na Song
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea; College of Bioscience and Biotechnology, Chungnam National University, Daejeon, 34134, Republic of Korea.
| | - Myung-Ji Kang
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
| | - Hyung Won Ryu
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
| | - Doo-Young Kim
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
| | - Sei-Ryang Oh
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
| | - Juhyun Lee
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
| | - Jinseon Choi
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
| | - Namho Kim
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea; Department of Anatomy & Cell Biology, Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea.
| | - Mun-Ock Kim
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
| | - Sung-Tae Hong
- Department of Anatomy & Cell Biology, Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea.
| | - Su Ui Lee
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
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Ellis DA, Jones M, Willems HME, Cheung S, Makullah M, Aimanianda V, Steele C. Fungal chitin is not an independent mediator of allergic fungal asthma severity. Am J Physiol Lung Cell Mol Physiol 2024; 327:L293-L303. [PMID: 38915287 DOI: 10.1152/ajplung.00041.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 05/28/2024] [Accepted: 06/04/2024] [Indexed: 06/26/2024] Open
Abstract
Chitin, a polysaccharide found in the fungal cell wall and the exoskeletons of house dust mites and cockroaches, has garnered attention as a potential immunoreactive allergen. Mammals have evolved to express chitin-degrading chitinases (acidic mammalian chitinase/AMCase and chitotriosidase) that may modulate immune responses to chitin. We have previously reported that mice deficient in AMCase (Chia-/-) demonstrated better lung function during allergic fungal asthma. As expected, we show that mice overexpressing AMCase (SPAM mice) had worse airway hyperreactivity (AHR) during allergic fungal asthma. We further demonstrate that chitin-positive Aspergillus fumigatus conidia are detectable in the allergic lung during chronic exposure. Lung function in Chia-/- and SPAM mice is directly correlated with the level of chitinase activity during chronic fungal exposure (Chia-/- mice, negligible chitinase activity, lower AHR; SPAM mice, heightened chitinase activity, higher AHR), suggesting that the breakdown of chitin promoted AHR. However, chronic exposure of normal mice to purified A. fumigatus chitin resulted in only moderate inflammatory changes in the lung that were not sufficient to induce AHR. Moreover, despite having dramatic differences in chitinase activity, chronic exposure of Chia-/- and SPAM mice to purified A. fumigatus chitin likewise did not modulate AHR. Collectively, these results indicate that chronic exposure to fungal chitin alone is incapable of driving AHR. Furthermore, our data suggest that the chitinase-mediated degradation of chitin associated with A. fumigatus conidia may facilitate unmasking and/or liberation of other fungal cell wall components that drive inflammatory responses that contribute to AHR.NEW & NOTEWORTHY Humans with asthma sensitized to fungi often have more severe asthma than those who are not fungal-sensitized. Chitin makes up a significant portion of the cell wall of fungi and has been implicated as a pathogenic factor in allergic asthma. Ellis et al. demonstrate that chronic exposure to fungal chitin alone is unable to modulate lung function, even in the presence of differential lung chitinase activity.
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Affiliation(s)
- Diandra A Ellis
- Department of Microbiology and Immunology, School of Medicine, Tulane University, New Orleans, Louisiana, United States
| | - MaryJane Jones
- Department of Microbiology and Immunology, School of Medicine, Tulane University, New Orleans, Louisiana, United States
| | - Hubertine M E Willems
- Department of Microbiology and Immunology, School of Medicine, Tulane University, New Orleans, Louisiana, United States
| | - Suki Cheung
- Department of Microbiology and Immunology, School of Medicine, Tulane University, New Orleans, Louisiana, United States
| | - Mgayya Makullah
- Department of Microbiology and Immunology, School of Medicine, Tulane University, New Orleans, Louisiana, United States
| | - Vishukumar Aimanianda
- Unité de Mycologie Moléculaire, Institut Pasteur, Université de Paris, CNRS, UMR2000, Paris, France
| | - Chad Steele
- Department of Microbiology and Immunology, School of Medicine, Tulane University, New Orleans, Louisiana, United States
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Zou S, Meng F, Xu G, Yu R, Yang C, Wei Q, Xue Y. Identification of candidate genes and molecular mechanisms related to asthma progression using bioinformatics. Sleep Breath 2024:10.1007/s11325-024-03122-0. [PMID: 39088141 DOI: 10.1007/s11325-024-03122-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 07/18/2024] [Accepted: 07/24/2024] [Indexed: 08/02/2024]
Abstract
BACKGROUND Asthma is a heterogeneous disorder. This study aimed to identify changes in gene expression and molecular mechanisms associated with moderate to severe asthma. METHODS Differentially expressed genes (DEGs) were analyzed in GSE69683 dataset among moderate asthma and its controls as well as between severe asthma and moderate asthma. Key module genes were identified via co-expression analysis, and the molecular mechanism of the module genes was explored through enrichment analysis and gene set enrichment analysis (GSEA). GSE89809 was used to verify the characteristic genes related to moderate and severe asthma. RESULTS Accordingly, 2540 DEGs were present between moderate asthma and the control group, while 6781 DEGs existed between severe asthma and moderate asthma. These genes were identified into 14 co-expression modules. Module 7 had the highest positive correlation with severe asthma and was recognized to be a key module by STEM. Enrichment analysis demonstrated that the module genes were mainly involved in oxidative stress-related signaling pathways. The expression of HSPA1A, PIK3CG and PIK3R6 was associated with moderate asthma, while MAPK13 and MMP9 were associated with severe asthma. The AUC values were verified by GSE89809. Additionally, 322 drugs were predicted to target five genes. CONCLUSION These results identified characteristic genes related to moderate and severe asthma and their corresponding molecular mechanisms, providing a basis for future research.
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Affiliation(s)
- Songbing Zou
- Department of Pulmonary and Critical Care Medicine, The First People's Hospital of Nanning, Guangxi, China
| | - Fangchan Meng
- Department of Pulmonary and Critical Care Medicine, The First People's Hospital of Nanning, Guangxi, China
| | - Guien Xu
- Department of Pulmonary and Critical Care Medicine, The First People's Hospital of Nanning, Guangxi, China
| | - Rongchang Yu
- Department of Pulmonary and Critical Care Medicine, The First People's Hospital of Nanning, Guangxi, China
| | - Chaomian Yang
- Department of Pulmonary and Critical Care Medicine, The First People's Hospital of Nanning, Guangxi, China
| | - Qiu Wei
- Department of Pulmonary and Critical Care Medicine, The First People's Hospital of Nanning, Guangxi, China.
| | - Yanlong Xue
- Department of Pulmonary and Critical Care Medicine, The First People's Hospital of Nanning, Guangxi, China.
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Zhan W, Zhang H, Su Y, Yin L. TRIM47 promotes HDM-induced bronchial epithelial pyroptosis by regulating NEMO ubiquitination to activate NF-κB/NLRP3 signaling. Cell Biol Int 2024; 48:1138-1147. [PMID: 38769645 DOI: 10.1002/cbin.12186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 03/26/2024] [Accepted: 05/02/2024] [Indexed: 05/22/2024]
Abstract
Asthma is an inflammatory disease. Airway epithelial cell pyroptosis and cytokine secretion promote asthma progression. Tripartite motif 47 (TRIM47) belongs to the E3 ubiquitin ligase family and is associated with apoptosis and inflammation in a range of diseases. However, the role of TRIM47 in asthma has not been explored. In this study, the human bronchial epithelial cell line BEAS-2B was treated with house dust mite (HDM) and TRIM47 expression was detected by RT-qPCR and Western blot. After transfection with TRIM47 interfering and overexpressing plasmids, the synthesis and secretion of cytokines, as well as pyroptosis-related indicators, were examined. Nuclear factor kappa-B (NF-κB) pathway proteins and nod-like receptor protein 3 (NLRP3) inflammasome were measured to explore the mechanism of TRIM47 action. In addition, the effect of TRIM47 on the level of NF-κB essential modulator (NEMO) ubiquitination was detected by an immunoprecipitation assay. The results showed that TRIM47 was upregulated in HDM-induced BEAS-2B cells and that TRIM47 mediated HDM-induced BEAS-2B cell pyroptosis and cytokine secretion. Mechanistically, TRIM47 promoted the K63-linked ubiquitination of NEMO and facilitated NF-κB/NLRP3 pathway activation. In conclusion, TRIM47 may promote cytokine secretion mediating inflammation and pyroptosis in bronchial epithelial cells by activating the NF-κB/NLRP3 pathway. Therefore, TRIM47 may be a potential therapeutic target for HDM-induced asthma.
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Affiliation(s)
- Wenjuan Zhan
- Department of Emergency, Xi'an Children's Hospital, Xi'an, Shaanxi, China
| | - Huifang Zhang
- Department of Emergency, Xi'an Children's Hospital, Xi'an, Shaanxi, China
| | - Yufei Su
- Department of Emergency, Xi'an Children's Hospital, Xi'an, Shaanxi, China
| | - Li Yin
- Department of Emergency, Xi'an Children's Hospital, Xi'an, Shaanxi, China
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5
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Allam VSRR, Akula S, Waern I, Taha S, Wernersson S, Pejler G. Monensin Suppresses Multiple Features of House Dust Mite-Induced Experimental Asthma in Mice. Inflammation 2024:10.1007/s10753-024-02090-7. [PMID: 38958812 DOI: 10.1007/s10753-024-02090-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 06/24/2024] [Accepted: 06/25/2024] [Indexed: 07/04/2024]
Abstract
Despite intense efforts to develop efficient therapeutic regimes for asthma, there is a large demand for novel treatment strategies in this disease. Here we evaluated the impact of monensin, a drug with potent anti-mast cell effects, in a mouse model of asthma. Allergic airway inflammation was induced by sensitization of mice with house dust mite (HDM) antigen, and effects of monensin on airway hyperreactivity and inflammatory parameters were studied. Following intraperitoneal administration, monensin did not suppress airway hyperreactivity but was shown to have anti-inflammatory properties, as manifested by reduced eosinophil- and lymphocyte infiltration into the airway lumen, and by suppressed inflammation of the lung tissue. After intranasal instillation, monensin exhibited similar anti-inflammatory effects as seen after intraperitoneal administration. Moreover, intranasally administered monensin was demonstrated to suppress goblet cell hyperplasia, and to cause a reduction in the expression of genes coding for key inflammatory markers. Further, monensin blocked mast cell degranulation in the airways of allergen-sensitized mice. Together, this study reveals that monensin has the capacity to suppress key pathological events associated with allergic airway inflammation.
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Affiliation(s)
- Venkata Sita Rama Raju Allam
- Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
- Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Srinivas Akula
- Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
- Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Ida Waern
- Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Sowsan Taha
- Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Sara Wernersson
- Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden.
| | - Gunnar Pejler
- Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden.
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Schoos AMM. Atopic diseases-Diagnostics, mechanisms, and exposures. Pediatr Allergy Immunol 2024; 35:e14198. [PMID: 39016386 DOI: 10.1111/pai.14198] [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: 10/12/2023] [Revised: 06/30/2024] [Accepted: 07/04/2024] [Indexed: 07/18/2024]
Abstract
Epidemiological data suggest that atopic diseases begin in early life and that most cases present clinically during early childhood. The diseases are highly prevalent and increase as communities adopt western lifestyles. Disentangling the pathophysiological mechanisms leading to disease debut is necessary to identify beneficial/harmful exposures so that successful prevention and treatment can be generated. The objective of this review is to explore the definition of atopy and mechanisms of atopic diseases, and to investigate the importance of environmental factors in early life, prior to disease development. First, the distribution of sIgE levels in children is investigated, as this is one of the main criteria for the definition of atopy. Thereafter, it is explored how studies of parental atopic status, sensitization patterns, and early debut and severity of atopic dermatitis have substantiated the theory of an early-life window of opportunity for intervention that precedes the development of atopic diseases in childhood. Then, it is examined whether early-life exposures such as breastfeeding, dogs, cats, and house dust mites in the home perinatally constitute important influencers in this crucial time of life. Finally, it is discussed how these findings could be validated in randomized controlled trials, which might prepare the ground for improved diagnostics and prevention strategies to mitigate the current atopic pandemic.
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Affiliation(s)
- Ann-Marie Malby Schoos
- COPSAC, Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
- Department of Pediatrics, Slagelse Hospital, Slagelse, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Pelaia C, Melhorn J, Hinks TS, Couillard S, Vatrella A, Pelaia G, Pavord ID. Type 2 severe asthma: pathophysiology and treatment with biologics. Expert Rev Respir Med 2024; 18:485-498. [PMID: 38994712 DOI: 10.1080/17476348.2024.2380072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Accepted: 07/10/2024] [Indexed: 07/13/2024]
Abstract
INTRODUCTION The hallmark of most patients with severe asthma is type 2 inflammation, driven by innate and adaptive immune responses leading to either allergic or non-allergic eosinophilic infiltration of airways. The cellular and molecular pathways underlying severe type 2 asthma can be successfully targeted by specific monoclonal antibodies. AREAS COVERED This review article provides a concise overview of the pathophysiology of type 2 asthma, followed by an updated appraisal of the mechanisms of action and therapeutic efficacy of currently available biologic treatments used for management of severe type 2 asthma. Therefore, all reported information arises from a wide literature search performed on PubMed. EXPERT OPINION The main result of the recent advances in the field of anti-asthma biologic therapies is the implementation of a personalized medicine approach, aimed to achieve clinical remission of severe asthma. Today this accomplishment is made possible by the right choice of the most beneficial biologic drug for the pathologic traits characterizing each patient, including type 2 severe asthma and its comorbidities.
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Affiliation(s)
- Corrado Pelaia
- Department of Medical and Surgical Sciences, University "Magna Græcia" of Catanzaro, Catanzaro, Calabria, Italy
| | - James Melhorn
- Nuffield Department of Medicine, Respiratory Medicine Unit, University of Oxford, Oxford, UK
| | - Timothy Sc Hinks
- Nuffield Department of Medicine, Respiratory Medicine Unit, University of Oxford, Oxford, UK
| | - Simon Couillard
- Faculty of Medicine and Health Sciences, University of Sherbrooke, Sherbrooke, QC, Canada
| | - Alessandro Vatrella
- Department of Medicine, Surgery and Dentistry, University of Salerno, Salerno, Italy
| | - Girolamo Pelaia
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Catanzaro, Italy
| | - Ian D Pavord
- Nuffield Department of Medicine, Respiratory Medicine Unit, University of Oxford, Oxford, UK
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Ji Y, Wang E, Mohammed MT, Hameed N, Christodoulou MI, Liu X, Zhou W, Fang Z, Jia N, Yu H, Zhou Z, Sun Y, Huang SK, McSharry C, Zhong NS, Xiao X, Li J, Xu D. Selective production of IL-33-neutralizing autoantibody ameliorates asthma responses and severity. Clin Immunol 2024; 264:110234. [PMID: 38740111 DOI: 10.1016/j.clim.2024.110234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 04/25/2024] [Accepted: 04/30/2024] [Indexed: 05/16/2024]
Abstract
BACKGROUND Natural anti-cytokine autoantibodies can regulate homeostasis of infectious and inflammatory diseases. The anti-cytokine autoantibody profile and relevance to the pathogenesis of asthma are unknown. We aim to identify key anti-cytokine autoantibodies in asthma patients, and reveal their immunological function and clinical significance. METHODS A Luciferase Immunoprecipitation System was used to screen serum autoantibodies against 11 key cytokines in patients with allergic asthma and healthy donors. The antigen-specificity, immunomodulatory functions and clinical significance of anti-cytokine autoantibodies were determined by ELISA, qPCR, neutralization assays and statistical analysis, respectively. Potential conditions for autoantibody induction were revealed by in vitro immunization. RESULTS Of 11 cytokines tested, only anti-IL-33 autoantibody was significantly increased in asthma, compare to healthy controls, and the proportion positive was higher in patients with mild-to-moderate than severe allergic asthma. In allergic asthma patients, the anti-IL-33 autoantibody level correlated negatively with serum concentration of pathogenic cytokines (e.g., IL-4, IL-13, IL-25 and IL-33), IgE, and blood eosinophil count, but positively with mid-expiratory flow FEF25-75%. The autoantibodies were predominantly IgG isotype, polyclonal and could neutralize IL-33-induced pathogenic responses in vitro and in vivo. The induction of the anti-IL-33 autoantibody in blood B-cells in vitro required peptide IL-33 antigen along with a stimulation cocktail of TLR9 agonist and cytokines IL-2, IL-4 or IL-21. CONCLUSIONS Serum natural anti-IL-33 autoantibodies are selectively induced in some asthma patients. They ameliorate key asthma inflammatory responses, and may improve lung function of allergic asthma.
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Affiliation(s)
- Yuan Ji
- Department of General Practice Medicine, Third Affiliated Hospital of Shenzhen University, Shenzhen, China; Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical school, Shenzhen 518060, China
| | - Eryi Wang
- Department of General Practice Medicine, Third Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Mohammed T Mohammed
- Faculty of Veterinary medicine, University of Kufa, Kufa, Iraq; School of Infection and Immunity, 120 University Place, University of Glasgow, Glasgow, UK
| | - Najwa Hameed
- School of Infection and Immunity, 120 University Place, University of Glasgow, Glasgow, UK
| | - Maria-Ioanna Christodoulou
- School of Infection and Immunity, 120 University Place, University of Glasgow, Glasgow, UK; Tumor Immunology and Biomarkers Laboratory, Basic and Translational Cancer Research Center, Department of Life Sciences, School of Sciences, European University Cyprus, Nicosia 2404, Cyprus
| | - Xiaoyu Liu
- State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, Shenzhen University, Shenzhen, China
| | - Wei Zhou
- State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, Shenzhen University, Shenzhen, China
| | - Zhangfu Fang
- Department of General Practice Medicine, Third Affiliated Hospital of Shenzhen University, Shenzhen, China; State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, Shenzhen University, Shenzhen, China
| | - Nan Jia
- Department of Allergy and Clinical Immunology, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangdong, China
| | - Haiqiong Yu
- State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, Shenzhen University, Shenzhen, China; Department of Respiratory and Critical Care Medicine, The Eighth Affiliated Hospital of Sun Yat-Sen University, Shenzhen, Guangdong, China
| | - Zhenwen Zhou
- Clinical Laboratory, Longgang District Maternity and Child Healthcare Hospital, Shenzhen, Guangdong, China
| | - Ying Sun
- Department of Immunology, School of Basic Medical Science, Capital Medical University, Beijing, China
| | - Shau-Ku Huang
- Department of General Practice Medicine, Third Affiliated Hospital of Shenzhen University, Shenzhen, China; National Institute of Environmental Health Sciences, National Health Research Institutes, Taipei, Taiwan, China; Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Charles McSharry
- School of Infection and Immunity, 120 University Place, University of Glasgow, Glasgow, UK
| | - Nan-Shan Zhong
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangdong, China
| | - Xiaojun Xiao
- State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, Shenzhen University, Shenzhen, China.
| | - Jing Li
- Department of Allergy and Clinical Immunology, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangdong, China.
| | - Damo Xu
- Department of General Practice Medicine, Third Affiliated Hospital of Shenzhen University, Shenzhen, China; State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, Shenzhen University, Shenzhen, China.
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Jiang M, Hong X, Gao Y, Kho AT, Tantisira KG, Li J. piRNA associates with immune diseases. Cell Commun Signal 2024; 22:347. [PMID: 38943141 PMCID: PMC11214247 DOI: 10.1186/s12964-024-01724-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Accepted: 06/23/2024] [Indexed: 07/01/2024] Open
Abstract
PIWI-interacting RNA (piRNA) is the most abundant small non-coding RNA in animal cells, typically 26-31 nucleotides in length and it binds with PIWI proteins, a subfamily of Argonaute proteins. Initially discovered in germ cells, piRNA is well known for its role in silencing transposons and maintaining genome integrity. However, piRNA is also present in somatic cells as well as in extracellular vesicles and exosomes. While piRNA has been extensively studied in various diseases, particular cancer, its function in immune diseases remains unclear. In this review, we summarize current research on piRNA in immune diseases. We first introduce the basic characteristics, biogenesis and functions of piRNA. Then, we review the association of piRNA with different types of immune diseases, including autoimmune diseases, immunodeficiency diseases, infectious diseases, and other immune-related diseases. piRNA is considered a promising biomarker for diseases, highlighting the need for further research into its potential mechanisms in disease pathogenesis.
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Affiliation(s)
- Mingye Jiang
- Clinical Big Data Research Center, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, Guangdong, China
| | - Xiaoning Hong
- Clinical Big Data Research Center, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, Guangdong, China
| | - Yunfei Gao
- Department of Otolaryngology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Alvin T Kho
- Channing Division of Network Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- Computational Health Informatics Program, Boston Children's Hospital, Boston, MA, USA
| | - Kelan G Tantisira
- Channing Division of Network Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- Department of Pediatrics, Division of Respiratory Medicine, University of California San Diego, La Jolla, CA, USA
| | - Jiang Li
- Clinical Big Data Research Center, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, Guangdong, China.
- Channing Division of Network Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
- Shenzhen Key Laboratory of Chinese Medicine Active Substance Screening and Translational Research, Guangdong, Shenzhen, China.
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Smith-Voudouris J, Rubin LE, Grauer JN. Risk of Adverse Events Following Total Knee Arthroplasty in Asthma Patients. J Am Acad Orthop Surg 2024; 32:543-549. [PMID: 38657178 DOI: 10.5435/jaaos-d-23-01142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 02/08/2024] [Indexed: 04/26/2024] Open
Abstract
INTRODUCTION Total knee arthroplasty (TKA) is a common procedure for which patient factors are known to affect perioperative outcomes. Asthma has not been specifically considered in this regard, although it is the most common inflammatory airway disease and predisposes to osteoarthritis. METHODS Adult patients undergoing TKA were identified from 2015 to 2021-Q3 M157 PearlDiver data sets. Asthma patients were matched to those without 1:1 based on age, sex, and Elixhauser Comorbidity Index (ECI). The incidence of 90-day adverse events and 5-year revisions were compared using multivariable logistic regression ( P < 0.0023). The matched asthma group was then stratified based on disease severity for analysis of 90-day aggregated (any, severe, and minor) adverse events. RESULTS Among 721,686 TKA patients, asthma was noted for 76,125 (10.5%). Multivariable analysis revealed that patients with asthma were at increased odds of multiple 90-day pulmonary, non-pulmonary, and aggregated adverse events, as well as emergency department visits. Furthermore, patients with asthma had 1.17 times greater odds of 5-year revisions ( P < 0.0001). Upon secondary analysis stratifying asthma by severity, patients with all severity levels of asthma showed elevated odds of adverse events after TKA. These associations increased in odds with increasing severity of asthma. DISCUSSION Over one-tenth of patients undergoing TKA were identified as having asthma, and these patients were at greater odds of numerous pulmonary and non-pulmonary adverse events (a trend that increased with asthma severity), as well as 5-year revisions. Clearly, patients with asthma need specific risk mitigation strategies when considering TKA. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Julian Smith-Voudouris
- From the Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, CT
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11
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Ioachimescu OC. State of the art: Alternative overlap syndrome-asthma and obstructive sleep apnea. J Investig Med 2024:10815589241249993. [PMID: 38715213 DOI: 10.1177/10815589241249993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2024]
Abstract
In the general population, Bronchial Asthma (BA) and Obstructive Sleep Apnea (OSA) are among the most prevalent chronic respiratory disorders. Significant epidemiologic connections and complex pathogenetic pathways link these disorders via complex interactions at genetic, epigenetic, and environmental levels. The coexistence of BA and OSA in an individual likely represents a distinct syndrome, that is, a collection of clinical manifestations attributable to several mechanisms and pathobiological signatures. To avoid terminological confusion, this association has been named alternative overlap syndrome (vs overlap syndrome represented by the chronic obstructive pulmonary disease-OSA association). This comprehensive review summarizes the complex, often bidirectional links between the constituents of the alternative overlap syndrome. Cross-sectional, population, or clinic-based studies are unlikely to elucidate causality or directionality in these relationships. Even longitudinal epidemiological evaluations in BA cohorts developing over time OSA, or OSA cohorts developing BA during follow-up cannot exclude time factors or causal influence of other known or unknown mediators. As such, a lot of pathophysiological interactions described here have suggestive evidence, biological plausibility, potential or actual directionality. By showcasing existing evidence and current knowledge gaps, the hope is that deliberate, focused, and collaborative efforts in the near-future will be geared toward opportunities to shine light on the unknowns and accelerate discovery in this field of health, clinical care, education, research, and scholarly endeavors.
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12
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Muthumula CMR, Khare S, Jog R, Wickramaratne B, Lee A, Chakder S, Burgess DJ, Gokulan K. Evaluation of gender differences in the pharmacokinetics of oral zileuton nanocrystalline formulation using a rat model. Int J Pharm X 2024; 7:100254. [PMID: 38774112 PMCID: PMC11107231 DOI: 10.1016/j.ijpx.2024.100254] [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: 12/19/2023] [Revised: 04/29/2024] [Accepted: 05/01/2024] [Indexed: 05/24/2024] Open
Abstract
Zileuton is a leukotriene inhibitor used to treat asthma. As a BCS class II drug it exhibits challenges with solubility which likely impact its absorption. As patient gender significantly impacts the pharmacokinetics of many drugs, this study aimed to investigate potential gender-based pharmacokinetic differences after oral zileuton administration in rats. Male and female Sprague Dawley rats received single oral gavage doses of pure zileuton as an active pharmaceutical ingredient (30 mg/kg body weight (bw)), physical mixture (PM; at 30 mg/kg bw of the formulation contains zileuton, kollidon VA64 fine, dowfax2A1 and trehalose), and nanocrystalline formulation of zileuton (NfZ; at 30 mg/kg bw of the formulation). Plasma, tissue, and urine concentrations were quantified using high performance liquid chromatography (HPLC). Noncompartmental pharmacokinetic analysis showed higher zileuton levels in the plasma of female versus male rats across all evaluated forms of zileuton (API, PM, and NfZ). Female rats demonstrated higher peak plasma concentrations (Cmax) and increased area under the plasma concentration-time curve (AUC) relative to males, regardless of formulation. These findings reveal substantial gender disparities in the pharmacokinetics of zileuton in the rat model. This study emphasizes the critical need to evaluate gender differences during preclinical drug development to enable gender-based precision dosing strategies for equivalent efficacy/safety outcomes in male and female patients. Additional studies are warranted to investigate underlying mechanisms of such pharmacokinetic gender divergences.
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Affiliation(s)
- Chandra Mohan Reddy Muthumula
- Division of Microbiology, National Center for Toxicological Research, US Food and Drug Administration, 3900 NCTR Rd, Jefferson, AR 72079, United States of America
| | - Sangeeta Khare
- Division of Microbiology, National Center for Toxicological Research, US Food and Drug Administration, 3900 NCTR Rd, Jefferson, AR 72079, United States of America
| | - Rajan Jog
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT 06269, United States of America
| | - Bhagya Wickramaratne
- Division of Microbiology, National Center for Toxicological Research, US Food and Drug Administration, 3900 NCTR Rd, Jefferson, AR 72079, United States of America
| | - Angela Lee
- Division of Microbiology, National Center for Toxicological Research, US Food and Drug Administration, 3900 NCTR Rd, Jefferson, AR 72079, United States of America
| | - Sushanta Chakder
- Center for Drug Evaluation and Research, US Food and Drug Administration, White Oak Campus, Silver Spring, MD 20993, United States of America
| | - Diane J. Burgess
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT 06269, United States of America
| | - Kuppan Gokulan
- Division of Microbiology, National Center for Toxicological Research, US Food and Drug Administration, 3900 NCTR Rd, Jefferson, AR 72079, United States of America
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13
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González-Díaz SN, Ansotegui IJ, Macouzet-Sánchez C, Acuña-Ortega N, de la Cruz-de la Cruz C. Doxofylline as a steroid-sparing treatment in Mexican children with asthma. J Asthma 2024; 61:574-583. [PMID: 38153316 DOI: 10.1080/02770903.2023.2294909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 12/10/2023] [Indexed: 12/29/2023]
Abstract
OBJECTIVE The aim of this pilot study was to assess the efficacy of doxofylline as an ICS-sparing agent in the treatment of Mexican children with asthma. METHODS 10-week, open-label, crossover, pilot study, we examined the steroid-sparing effect of doxofylline in Mexican children with asthma. Patients aged 6-16 years treated with inhaled corticosteroids (ICS) for at least 8 wk before enrollment were divided randomly into two groups at the baseline visit. Group A (n = 31) received doxofylline (18 mg/kg/day) plus standard-dose budesonide (D + SDB) for the first 4-week period followed by doxofylline plus reduced-dose budesonide (D + RDB) for the second 4-week period. Group B (n = 30) received D + RDB followed by D + SDB. Clinical outcomes assessed included lung function (forced expiratory volume; in 1 s, FEV1), fractional exhaled nitric oxide (FeNO), asthma control, number of exacerbations and use of rescue medication (salbutamol). RESULTS It was shown that combined use of doxofylline and ICS may allow children with asthma to reduce their daily dose of ICS while maintaining lung function and improving asthma control (p = 0.008). There were few asthma exacerbations and only one patient required treatment with systemic corticosteroids. Rescue medication use decreased significantly in patients receiving D + SDB during the first 4-week period. CONCLUSIONS Our results suggest that doxofylline may be a steroid-sparing treatment in asthma, but longer-term, controlled studies are needed to confirm these observations.
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Affiliation(s)
- Sandra Nora González-Díaz
- Regional Center of Allergy and Clinical Immunology, University Hospital "Dr Jose Eleuterio Gonzalez", Autonomous University of Nuevo León, Monterrey, Mexico
| | - Ignacio J Ansotegui
- Department of Allergy and Immunology, Hospital Quironsalud Bizkaia, Erandio-Bilbao, Spain
| | - Carlos Macouzet-Sánchez
- Regional Center of Allergy and Clinical Immunology, University Hospital "Dr Jose Eleuterio Gonzalez", Autonomous University of Nuevo León, Monterrey, Mexico
| | - Natalhie Acuña-Ortega
- Regional Center of Allergy and Clinical Immunology, University Hospital "Dr Jose Eleuterio Gonzalez", Autonomous University of Nuevo León, Monterrey, Mexico
| | - Carlos de la Cruz-de la Cruz
- Regional Center of Allergy and Clinical Immunology, University Hospital "Dr Jose Eleuterio Gonzalez", Autonomous University of Nuevo León, Monterrey, Mexico
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14
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Kotecha EA, Fitzgerald DA, Kotecha S. Adherence in paediatric respiratory medicine: A review of the literature. Paediatr Respir Rev 2024; 50:41-45. [PMID: 37833109 DOI: 10.1016/j.prrv.2023.09.004] [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: 09/29/2023] [Accepted: 09/29/2023] [Indexed: 10/15/2023]
Abstract
Poor adherence is an important factor in unstable disease control and treatment failure. There are multiple ways to monitor a patient's adherence, each with their own advantages and disadvantages. The reasons for poor adherence are multi-factorial, inter-related and often difficult to target for improvement. Although practitioners can implement different methods of adherence, the ultimate aim is to improve health outcomes for the individual and the health care system. Asthma is a common airway disease, particularly diagnosed in children, often treated with inhaled corticosteroids and long-acting bronchodilators. Due to the disease's tendency for exacerbations and consequently, when severe will require unscheduled health care utilisation including hospital admissions, considerable research has been done into the effects of medication adherence on asthma control. This review discusses the difficulties in defining adherence, the reasons for and consequences of poor adherence, and the methods of recording and improving adherence in asthma patients, including an in-depth analysis of the uses of smart inhalers.
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Affiliation(s)
- Ella A Kotecha
- Department of Child Health, Cardiff University School of Medicine, Cardiff, United Kingdom.
| | - Dominic A Fitzgerald
- Department of Respiratory Medicine, The Children's Hospital at Westmead, Sydney, New South Wales 2145, Australia; Discipline of Paediatrics and Child Health, Faculty of Medicine, University of Sydney, Australia
| | - Sailesh Kotecha
- Department of Child Health, Cardiff University School of Medicine, Cardiff, United Kingdom
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15
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Ioachimescu OC. Contribution of Obstructive Sleep Apnea to Asthmatic Airway Inflammation and Impact of Its Treatment on the Course of Asthma. Sleep Med Clin 2024; 19:261-274. [PMID: 38692751 DOI: 10.1016/j.jsmc.2024.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
Asthma and obstructive sleep apnea (OSA) are very common respiratory disorders in the general population. Beyond their high prevalence, shared risk factors, and genetic linkages, bidirectional relationships between asthma and OSA exist, each disorder affecting the other's presence and severity. The author reviews here some of the salient links between constituents of the alternative overlap syndrome, that is, OSA comorbid with asthma, with an emphasis on the effects of OSA or its treatment on inflammation in asthma. In the directional relationship from OSA toward asthma, beyond direct influences, multiple factors and comorbidities seem to contribute.
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Affiliation(s)
- Octavian C Ioachimescu
- Clinical and Translational Science Institute of Southeast Wisconsin, Medical College of Wisconsin, Milwaukee, WI, USA; Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, Medical College of Wisconsin, Milwaukee, WI, USA.
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16
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Li X, Gao J, Wu C, Wang C, Zhang R, He J, Xia ZJ, Joshi N, Karp JM, Kuai R. Precise modulation and use of reactive oxygen species for immunotherapy. SCIENCE ADVANCES 2024; 10:eadl0479. [PMID: 38748805 PMCID: PMC11095489 DOI: 10.1126/sciadv.adl0479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 04/10/2024] [Indexed: 05/19/2024]
Abstract
Reactive oxygen species (ROS) play an important role in regulating the immune system by affecting pathogens, cancer cells, and immune cells. Recent advances in biomaterials have leveraged this mechanism to precisely modulate ROS levels in target tissues for improving the effectiveness of immunotherapies in infectious diseases, cancer, and autoimmune diseases. Moreover, ROS-responsive biomaterials can trigger the release of immunotherapeutics and provide tunable release kinetics, which can further boost their efficacy. This review will discuss the latest biomaterial-based approaches for both precise modulation of ROS levels and using ROS as a stimulus to control the release kinetics of immunotherapeutics. Finally, we will discuss the existing challenges and potential solutions for clinical translation of ROS-modulating and ROS-responsive approaches for immunotherapy, and provide an outlook for future research.
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Affiliation(s)
- Xinyan Li
- School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
- Tsinghua-Peking Center for Life Sciences, Beijing 100084, China
| | - Jingjing Gao
- Department of Anesthesiology, Perioperative, and Pain Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Department of Biomedical Engineering, Material Science and Engineering Graduate Program and The Center for Bioactive Delivery-Institute for Applied Life Sciences, University of Massachusetts, Amherst, MA 01003, USA
| | - Chengcheng Wu
- School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
- Tsinghua-Peking Center for Life Sciences, Beijing 100084, China
| | - Chaoyu Wang
- School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
- Tsinghua-Peking Center for Life Sciences, Beijing 100084, China
| | - Ruoshi Zhang
- School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
- Tsinghua-Peking Center for Life Sciences, Beijing 100084, China
| | - Jia He
- School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
- Tsinghua-Peking Center for Life Sciences, Beijing 100084, China
| | - Ziting Judy Xia
- Department of Anesthesiology, Perioperative, and Pain Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Nitin Joshi
- Department of Anesthesiology, Perioperative, and Pain Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Jeffrey M. Karp
- Department of Anesthesiology, Perioperative, and Pain Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Rui Kuai
- School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
- Tsinghua-Peking Center for Life Sciences, Beijing 100084, China
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17
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Mazuryk J, Klepacka K, Kutner W, Sharma PS. Glyphosate: Hepatotoxicity, Nephrotoxicity, Hemotoxicity, Carcinogenicity, and Clinical Cases of Endocrine, Reproductive, Cardiovascular, and Pulmonary System Intoxication. ACS Pharmacol Transl Sci 2024; 7:1205-1236. [PMID: 38751624 PMCID: PMC11092036 DOI: 10.1021/acsptsci.4c00046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 03/19/2024] [Accepted: 03/21/2024] [Indexed: 05/18/2024]
Abstract
Glyphosate (GLP) is an active agent of GLP-based herbicides (GBHs), i.e., broad-spectrum and postemergent weedkillers, commercialized by Monsanto as, e.g., Roundup and RangerPro formulants. The GBH crop spraying, dedicated to genetically engineered GLP-resistant crops, has revolutionized modern agriculture by increasing the production yield. However, abusively administered GBHs' ingredients, e.g., GLP, polyoxyethyleneamine, and heavy metals, have polluted environmental and industrial areas far beyond farmlands, causing global contamination and life-threatening risk, which has led to the recent local bans of GBH use. Moreover, preclinical and clinical reports have demonstrated harmful impacts of GLP and other GBH ingredients on the gut microbiome, gastrointestinal tract, liver, kidney, and endocrine, as well as reproductive, and cardiopulmonary systems, whereas carcinogenicity of these herbicides remains controversial. Occupational exposure to GBH dysregulates the hypothalamic-pituitary-adrenal axis, responsible for steroidogenesis and endocrinal secretion, thus affecting hormonal homeostasis, functions of reproductive organs, and fertility. On the other hand, acute intoxication with GBH, characterized by dehydration, oliguria, paralytic ileus, as well as hypovolemic and cardiogenic shock, pulmonary edema, hyperkalemia, and metabolic acidosis, may occur fatally. As no antidote has been developed for GBH poisoning so far, the detoxification is mainly symptomatic and supportive and requires intensive care based on gastric lavage, extracorporeal blood filtering, and intravenous lipid emulsion infusion. The current review comprehensively discusses the molecular and physiological basics of the GLP- and/or GBH-induced diseases of the endocrine and reproductive systems, and cardiopulmonary-, nephro-, and hepatotoxicities, presented in recent preclinical studies and case reports on the accidental or intentional ingestions with the most popular GBHs. Finally, they briefly describe modern and future healthcare methods and tools for GLP detection, determination, and detoxification. Future electronically powered, decision-making, and user-friendly devices targeting major GLP/GBH's modes of actions, i.e., dysbiosis and the inhibition of AChE, shall enable self-handled or point-of-care professional-assisted evaluation of the harm followed with rapid capturing GBH xenobiotics in the body and precise determining the GBH pathology-associated biomarkers levels.
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Affiliation(s)
- Jarosław Mazuryk
- Department
of Electrode Processes, Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
- Bio
& Soft Matter, Institute of Condensed Matter and Nanosciences, Université catholique de Louvain, 1 Place Louis Pasteur, 1348 Louvain-la-Neuve, Belgium
| | - Katarzyna Klepacka
- ENSEMBLE sp. z o. o., 01-919 Warsaw, Poland
- Faculty
of Mathematics and Natural Sciences. School of Sciences, Cardinal Stefan Wyszynski University in Warsaw, 01-938 Warsaw, Poland
| | - Włodzimierz Kutner
- Department
of Electrode Processes, Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
- Faculty
of Mathematics and Natural Sciences. School of Sciences, Cardinal Stefan Wyszynski University in Warsaw, 01-938 Warsaw, Poland
| | - Piyush Sindhu Sharma
- Functional
Polymers Research Team, Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
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18
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Plowman TJ, Christensen H, Aiges M, Fernandez E, Shah MH, Ramana KV. Anti-Inflammatory Potential of the Anti-Diabetic Drug Metformin in the Prevention of Inflammatory Complications and Infectious Diseases Including COVID-19: A Narrative Review. Int J Mol Sci 2024; 25:5190. [PMID: 38791227 PMCID: PMC11121530 DOI: 10.3390/ijms25105190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 05/03/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
Metformin, a widely used first-line anti-diabetic therapy for the treatment of type-2 diabetes, has been shown to lower hyperglycemia levels in the blood by enhancing insulin actions. For several decades this drug has been used globally to successfully control hyperglycemia. Lactic acidosis has been shown to be a major adverse effect of metformin in some type-2 diabetic patients, but several studies suggest that it is a typically well-tolerated and safe drug in most patients. Further, recent studies also indicate its potential to reduce the symptoms associated with various inflammatory complications and infectious diseases including coronavirus disease 2019 (COVID-19). These studies suggest that besides diabetes, metformin could be used as an adjuvant drug to control inflammatory and infectious diseases. In this article, we discuss the current understanding of the role of the anti-diabetic drug metformin in the prevention of various inflammatory complications and infectious diseases in both diabetics and non-diabetics.
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Affiliation(s)
| | | | | | | | | | - Kota V. Ramana
- Department of Biomedical Sciences, Noorda College of Osteopathic Medicine, Provo, UT 84606, USA
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19
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Au-Doung PLW, Chan JCH, Kui OYH, Ho MKY, Cheung YT, Lam JKW, Chan HK, Brannan J, Chan KCC, Li AM, Leung SSY. Objective monitoring tools for improved management of childhood asthma. Respir Res 2024; 25:194. [PMID: 38702779 PMCID: PMC11069259 DOI: 10.1186/s12931-024-02817-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Accepted: 04/18/2024] [Indexed: 05/06/2024] Open
Abstract
Asthma is a common chronic disease amongst children. Epidemiological studies showed that the mortality rate of asthma in children is still high worldwide. Asthma control is therefore essential to minimize asthma exacerbations, which can be fatal if the condition is poorly controlled. Frequent monitoring could help to detect asthma progression and ensure treatment effectiveness. Although subjective asthma monitoring tools are available, the results vary as they rely on patients' self-perception. Emerging evidence suggests several objective tools could have the potential for monitoring purposes. However, there is no consensus to standardise the use of objective monitoring tools. In this review, we start with the prevalence and severity of childhood asthma worldwide. Then, we detail the latest available objective monitoring tools, focusing on their effectiveness in paediatric asthma management. Publications of spirometry, fractional exhaled nitric oxide (FeNO), hyperresponsiveness tests and electronic monitoring devices (EMDs) between 2016 and 2023 were included. The potential advantages and limitations of each tool were also discussed. Overall, this review provides a summary for researchers dedicated to further improving objective paediatric asthma monitoring and provides insights for clinicians to incorporate different objective monitoring tools in clinical practices.
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Affiliation(s)
- Phillip L W Au-Doung
- School of Pharmacy, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China
| | - Jason C H Chan
- School of Pharmacy, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China
| | - Oliver Y H Kui
- School of Pharmacy, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China
| | - Marco K Y Ho
- School of Pharmacy, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China
| | - Yin Ting Cheung
- School of Pharmacy, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China
| | - Jenny K W Lam
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, London, WC1N 1AX, UK
| | - Hak-Kim Chan
- Sydney Pharmacy School, University of Sydney, Sydney, NSW, Australia
| | - John Brannan
- Department of Respiratory and Sleep Medicine, John Hunter Hospital, Newcastle, NSW, Australia
| | - Kate C C Chan
- Department of Paediatrics, Prince of Wales Hospital, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China
| | - Albert M Li
- Department of Paediatrics, Prince of Wales Hospital, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China
| | - Sharon S Y Leung
- School of Pharmacy, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong SAR, China.
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20
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Schenzel A, Geiger A, Nendel E, Yang Z, Krammer S, Leberle A, Brunst AK, Trump S, Mittler S, Rauh M, Geppert CI, Tausche P, Hohenberger K, Rieker RJ, Schieweck O, Zundler S, Finotto S. Fiber rich food suppressed airway inflammation, GATA3 + Th2 cells, and FcεRIα+ eosinophils in asthma. Front Nutr 2024; 11:1367864. [PMID: 38757128 PMCID: PMC11097976 DOI: 10.3389/fnut.2024.1367864] [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: 01/09/2024] [Accepted: 04/15/2024] [Indexed: 05/18/2024] Open
Abstract
Background Allergic Asthma is a disease presenting various endotypes and no current therapies act curative but alleviate disease symptoms. Dietary interventions are gaining increasing importance in regulating immune responses. Furthermore, short chain fatty acids (SFCA), as the main products of dietary fiber's fermentation by the gut bacteria, ameliorate the pathogenesis and disease burden of different illnesses including asthma. Nevertheless, the connection and crosstalk between the gut and lung is poorly understood. Objective In this work, the role of high fiber diet on the development of allergic asthma at baseline and after exacerbation of disease induced by respiratory viruses was investigated. Methods Hereby, SCFA in serum of asthmatic and non-asthmatic pre-school children before and after airway disease symptoms were analyzed. Moreover, the effect of high fiber diet in vivo in a murine model of house dust mite extract (HDM) induced allergic asthma and in the end in isolated lung and spleen cells infected ex vivo with Rhinovirus was analyzed. Results In this study, a decrease of the SCFA 3-Hydroxybutyric acid in serum of asthmatic children after symptomatic episodes at convalescent visit as compared to asthmatic and control children at baseline visit was observed. In experimental asthma, in mice fed with high fiber diet, a reduced lung GATA3 + Th2 type mediated inflammation, mucus production and collagen deposition and expression of Fc epsilon receptor Ia (FcεRIa) in eosinophils was observed. By contrast, the CD8+ memory effector T cells were induced in the lungs of asthmatic mice fed with high fiber diet. Then, total lung cells from these asthmatic mice fed with either standard food or with fiber rich food were infected with RV ex vivo. Here, RV1b mRNA was found significantly reduced in the lung cells derived from fiber rich food fed mice as compared to those derived from standard food fed asthmatic mice. Looking for the mechanism, an increase in CD8+ T cells in RV infected spleen cells derived from fiber rich fed asthmatic mice, was observed. Conclusion Convalescent preschool asthmatic children after a symptomatic episode have less serum ß-Hydroxybutyric acid as compared to control and asthmatic children at baseline visit. Fiber rich diet associated with anti-inflammatory effects as well as anti-allergic effects by decreasing Type 2 and IgE mediated immune responses and inducing CD8+ memory effector T cells in a murine model of allergic asthma. Finally, ex vivo infection with Rhinovirus (RV) of total lung cells from asthmatic mice fed with fiber rich food led to a decreased RV load as compared to mice fed with standard food. Moreover, spleen cells derived from asthmatic mice fed with fiber rich food induced CD8+ T cells after ex vivo infection with RV. Clinical implications Dietary interventions with increased content in natural fibers like pectins would ameliorate asthma exacerbations. Moreover, respiratory infection in asthma downregulated SCFA in the gut contributing to asthma exacerbations.
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Affiliation(s)
- Alicia Schenzel
- Department of Molecular Pneumology, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Adriana Geiger
- Department of Molecular Pneumology, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Elvedina Nendel
- Department of Molecular Pneumology, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Zuqin Yang
- Department of Molecular Pneumology, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Susanne Krammer
- Department of Molecular Pneumology, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Anna Leberle
- Department of Molecular Pneumology, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Ann-Kathrin Brunst
- Department of Molecular Pneumology, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Sonja Trump
- Department of Molecular Pneumology, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Susanne Mittler
- Department of Molecular Pneumology, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Manfred Rauh
- Children’s Hospital, Department of Allergy and Pneumology, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Carol I. Geppert
- Institute of Pathology, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Erlangen, Germany
- Bavarian Cancer Research Center (BZKF), Erlangen, Germany
| | - Patrick Tausche
- Department of Molecular Pneumology, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Katja Hohenberger
- Department of Molecular Pneumology, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Ralf J. Rieker
- Institute of Pathology, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Erlangen, Germany
- Bavarian Cancer Research Center (BZKF), Erlangen, Germany
| | - Oliver Schieweck
- Laboratory of Clinic Medicine, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - Sebastian Zundler
- Deutsches Zentrum für Immuntherapie (DZI), Erlangen, Germany
- Department of Internal Medicine 1, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Susetta Finotto
- Department of Molecular Pneumology, Friedrich-Alexander-University (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum für Immuntherapie (DZI), Erlangen, Germany
- Bavarian Cancer Research Center (BZKF), Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN (CCC ER-EMN), Erlangen, Germany
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Yang S, Guo R, Meng X, Zhang Y. AIM2 participates in house dust mite (HDM)-induced epithelial dysfunctions and ovalbumin (OVA)-induced allergic asthma in infant mice. J Asthma 2024; 61:479-490. [PMID: 38078661 DOI: 10.1080/02770903.2023.2289157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 11/25/2023] [Indexed: 01/13/2024]
Abstract
Objective: Allergen sensitization and high rates of concomitant allergic diseases are characteristic of severe pediatric asthma. The present study was aimed to explore the mechanism of allergic asthma via bioinformatics and experiment investigation. Methods: The GSE27011 dataset contained the expression profiles of normal and pediatric asthma white blood cells was downloaded for analyzing the different expression genes and function enrichment. The allergic asthma model in infant mice was established by ovalbumin (OVA) stimulation. The cellular model was established by house dust mite (HDM)-stimulation in human bronchial epithelial cells. The absent in melanoma 2 (AIM2) knockdown was achieved by intranasal lentivirus injection or cell infection. The bronchoalveolar lavage fluid (BALF) was collected for cell counting and ELISA assessment of cytokines. Lung tissues were collected for HE staining and immunohistochemical (IHC) staining. Real-time PCR and immunoblotting were used for the determination of key gene expressions in mouse and cell models. Results: upregulation of AIM2 gene expression was observed in pediatric asthma patients based on GSE27011 and OVA-induced infant mouse allergic asthma model. AIM2 knockdown ameliorated OVA caused elevation in airway hyper-responsiveness (AHR), elevation in cell quantities (eosinophils, neutrophils, lymphocytes), and levels of cytokines (IL-4, IL-13, TNF-α, and OVA-specific IgE) in BALF. Moreover, AIM2 knockdown relieved OVA-caused histopathological alterations in mouse lungs, up-regulation of AIM2 levels, and NOD1 and receptor-interacting protein 2 (RIP2) protein levels, as well as p65 phosphorylation. In the cell model, AIM2 knockdown partially ameliorated HDM-induced epithelial dysfunctions by promoting cell viability, down-regulating inflammatory cytokines levels, and decreasing the protein levels of AIM2, NOD1, RIP2, and phosphorylated p65. Conclusion: AIM2 participates in HDM-induced epithelial dysfunctions and OVA-induced allergic asthma progression. AIM2 could be a promising target for pediatric allergic asthma treatment regimens, which warrants further in vivo investigations.
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Affiliation(s)
- Shengzhi Yang
- Department of Pediatrics, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, PR China
| | - Ru Guo
- Department of Pediatrics, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, PR China
| | - Xianmei Meng
- Department of Pediatrics, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, PR China
| | - Yunhong Zhang
- Department of Pediatrics, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, PR China
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22
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Bhat AA, Afzal M, Goyal A, Gupta G, Thapa R, Almalki WH, Kazmi I, Alzarea SI, Shahwan M, Paudel KR, Ali H, Sahu D, Prasher P, Singh SK, Dua K. The impact of formaldehyde exposure on lung inflammatory disorders: Insights into asthma, bronchitis, and pulmonary fibrosis. Chem Biol Interact 2024; 394:111002. [PMID: 38604395 DOI: 10.1016/j.cbi.2024.111002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 03/27/2024] [Accepted: 04/07/2024] [Indexed: 04/13/2024]
Abstract
Lung inflammatory disorders are a major global health burden, impacting millions of people and raising rates of morbidity and death across many demographic groups. An industrial chemical and common environmental contaminant, formaldehyde (FA) presents serious health concerns to the respiratory system, including the onset and aggravation of lung inflammatory disorders. Epidemiological studies have shown significant associations between FA exposure levels and the incidence and severity of several respiratory diseases. FA causes inflammation in the respiratory tract via immunological activation, oxidative stress, and airway remodelling, aggravating pre-existing pulmonary inflammation and compromising lung function. Additionally, FA functions as a respiratory sensitizer, causing allergic responses and hypersensitivity pneumonitis in sensitive people. Understanding the complicated processes behind formaldehyde-induced lung inflammation is critical for directing targeted strategies aimed at minimizing environmental exposures and alleviating the burden of formaldehyde-related lung illnesses on global respiratory health. This abstract explores the intricate relationship between FA exposure and lung inflammatory diseases, including asthma, bronchitis, allergic inflammation, lung injury and pulmonary fibrosis.
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Affiliation(s)
- Asif Ahmad Bhat
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, 302017, Mahal Road, Jaipur, India
| | - Muhammad Afzal
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, P.O. Box 6231, Jeddah, 21442, Saudi Arabia
| | - Ahsas Goyal
- Institute of Pharmaceutical Research, GLA University, Mathura, U.P., India
| | - Gaurav Gupta
- School of Pharmacy, Graphic Era Hill University, Dehradun, 248007, India; Centre of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates.
| | - Riya Thapa
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, 302017, Mahal Road, Jaipur, India
| | - Waleed Hassan Almalki
- Department of Pharmacology, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Imran Kazmi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, 21589, Jeddah, Saudi Arabia
| | - Sami I Alzarea
- Department of Pharmacology, College of Pharmacy, Jouf University, 72341, Sakaka, Aljouf, Saudi Arabia
| | - Moyad Shahwan
- Centre of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates; Department of Clinical Sciences, College of Pharmacy and Health Sciences, Ajman University, Ajman, 346, United Arab Emirates
| | - Keshav Raj Paudel
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Faculty of Science, School of Life Sciences, Sydney, NSW, 2050, Australia
| | - Haider Ali
- Centre for Global Health Research, Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, India; Department of Pharmacology, Kyrgyz State Medical College, Bishkek, Kyrgyzstan
| | - Dipak Sahu
- Department of Pharmacology, Amity University, Raipur, Chhattisgarh, India
| | - Parteek Prasher
- Department of Chemistry, University of Petroleum & Energy Studies, Energy Acres, Dehradun, 248007, India
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW, 2007, Australia; School of Medical and Life Sciences, Sunway University, 47500 Sunway City, Malaysia
| | - Kamal Dua
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW, 2007, Australia; Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, NSW, 2007, Australia; Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, India.
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23
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Xiang J, Liu B, Li Y, Ren Y, Li Y, Zhou M, Yu J, Luo Z, Liu E, Fu Z, Ding F. TFEB regulates dendritic cell antigen presentation to modulate immune balance in asthma. Respir Res 2024; 25:182. [PMID: 38664707 PMCID: PMC11046778 DOI: 10.1186/s12931-024-02806-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 04/04/2024] [Indexed: 04/28/2024] Open
Abstract
OBJECTIVE Asthma stands as one of the most prevalent chronic respiratory conditions in children, with its pathogenesis tied to the actived antigen presentation by dendritic cells (DCs) and the imbalance within T cell subgroups. This study seeks to investigate the role of the transcription factor EB (TFEB) in modulating the antigen presentation process of DCs and its impact on the differentiation of T cell subgroups. METHODS Bone marrow dendritic cells (BMDCs) were activated using house dust mites (HDM) and underwent RNA sequencing (RNA-seq) to pinpoint differentially expressed genes. TFEB mRNA expression levels were assessed in the peripheral blood mononuclear cells (PBMCs) of both healthy children and those diagnosed with asthma. In an asthma mouse model induced by HDM, the TFEB expression in lung tissue DCs was evaluated. Further experiments involved LV-shTFEB BMDCs co-cultured with T cells to explore the influence of TFEB on DCs' antigen presentation, T cell subset differentiation, and cytokine production. RESULTS Transcriptomic sequencing identified TFEB as a significantly differentially expressed gene associated with immune system pathways and antigen presentation. Notably, TFEB expression showed a significant increase in the PBMCs of children diagnosed with asthma compared to healthy counterparts. Moreover, TFEB exhibited heightened expression in lung tissue DCs of HDM-induced asthmatic mice and HDM-stimulated BMDCs. Silencing TFEB resulted in the downregulation of MHC II, CD80, CD86, and CD40 on DCs. This action reinstated the equilibrium among Th1/Th2 and Th17/Treg cell subgroups, suppressed the expression of pro-inflammatory cytokines like IL-4, IL-5, IL-13, and IL-17, while augmenting the expression of the anti-inflammatory cytokine IL-10. CONCLUSION TFEB might have a vital role in asthma's development by impacting the antigen presentation of DCs, regulating T cell subgroup differentiation, and influencing cytokine secretion. Its involvement could be pivotal in rebalancing the immune system in asthma. These research findings could potentially unveil novel therapeutic avenues for treating asthma.
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Affiliation(s)
- JinYing Xiang
- Department of Respiratory Medicine, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Engineering Research Center of Stem Cell Therapy, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, No. 136, Zhongshan 2nd Road, Yuzhong Dis, 400014, Chongqing, PR China
| | - Bo Liu
- Department of Cardiothoracic Surgery, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Engineering Research Center of Stem Cell Therapy, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, No. 136, Zhongshan 2nd Road, Yuzhong Dis, 400014, Chongqing, PR China.
| | - Yan Li
- Department of Respiratory Medicine, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Engineering Research Center of Stem Cell Therapy, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, No. 136, Zhongshan 2nd Road, Yuzhong Dis, 400014, Chongqing, PR China
| | - Yinying Ren
- Department of Respiratory Medicine, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Engineering Research Center of Stem Cell Therapy, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, No. 136, Zhongshan 2nd Road, Yuzhong Dis, 400014, Chongqing, PR China
| | - Yuehan Li
- Department of Respiratory Medicine, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Engineering Research Center of Stem Cell Therapy, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, No. 136, Zhongshan 2nd Road, Yuzhong Dis, 400014, Chongqing, PR China
| | - Mi Zhou
- Department of Respiratory Medicine, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Engineering Research Center of Stem Cell Therapy, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, No. 136, Zhongshan 2nd Road, Yuzhong Dis, 400014, Chongqing, PR China
| | - Jinyue Yu
- Bristol Medical School, University of Bristol, Bristol, UK
- Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Zhengxiu Luo
- Department of Respiratory Medicine, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Engineering Research Center of Stem Cell Therapy, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, No. 136, Zhongshan 2nd Road, Yuzhong Dis, 400014, Chongqing, PR China
| | - Enmei Liu
- Department of Respiratory Medicine, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Engineering Research Center of Stem Cell Therapy, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, No. 136, Zhongshan 2nd Road, Yuzhong Dis, 400014, Chongqing, PR China
| | - Zhou Fu
- Department of Respiratory Medicine, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Engineering Research Center of Stem Cell Therapy, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, No. 136, Zhongshan 2nd Road, Yuzhong Dis, 400014, Chongqing, PR China
| | - Fengxia Ding
- Department of Respiratory Medicine, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Engineering Research Center of Stem Cell Therapy, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation base of Child development and Critical Disorders, Children's Hospital of Chongqing Medical University, No. 136, Zhongshan 2nd Road, Yuzhong Dis, 400014, Chongqing, PR China.
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24
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Liao KM, Chen PJ, Hung YT, Hsu TJ, Tsai FJ, Shen TC. The Incidence, Mortality and Medical Expenditure in Patients with Asthma in Taiwan: Ten-year Nationwide Study. J Epidemiol Glob Health 2024:10.1007/s44197-024-00230-8. [PMID: 38656730 DOI: 10.1007/s44197-024-00230-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Accepted: 04/16/2024] [Indexed: 04/26/2024] Open
Abstract
BACKGROUND This study examines incidence, mortality, medical expenditure and prescription patterns for asthma on a national scale, particularly in Asian countries for asthma is limited. Our aim is to investigate incidence, mortality, prescription patterns and provide a comprehensive overview of healthcare utilization trends for asthma from 2009 to 2018. METHODS We included patients diagnosed with asthma between 2009 and 2018. We excluded patients with missing demographic data. Our analysis covered comorbidities, including diabetes mellitus, hypertension, allergic rhinitis, eczema, atopic dermatitis, coronary artery disease, congestive heart failure, chronic kidney disease, chronic hepatitis, stroke, and cancer. Investigated medications comprised oral and intravenous steroids, short-acting beta-agonists, inhaled corticosteroids (ICS), combinations of ICS and long-acting beta-agonists, long-acting muscarinic antagonists, and leukotriene receptor antagonists montelukast. We also assessed the number of outpatient visits, emergency visits, and hospitalizations per year, as well as the average length of hospitalization and average medical costs. RESULTS The study included a final count of 88,244 subjects from 1,998,311 randomly selected samples between 2000 and 2019. Over the past decade, there was a gradual decline in newly diagnosed asthma patients per year, from 10,140 to 6,487. The mean age annually increased from 47.59 in 2009 to 53.41 in 2018. Over 55% of the patients were female. Eczema was diagnosed in over 55% of the patients. Around 90% of the patients used oral steroids, with a peak of 97.29% in 2018, while the usage of ICS varied between 86.20% and 91.75%. Intravenous steroids use rose from 40.94% in 2009 to 54.14% in 2018. The average annual hospital stay ranged from 9 to 12 days, with a maximum of 12.26 days in 2013. Lastly, the average medical expenses per year ranged from New Taiwan dollars 5558 to 7921. CONCLUSIONS In summary, both asthma incidence and all-cause mortality rates decreased in Taiwan from 2009 to 2018. Further analysis of medical expenses in patients with asthma who required multiple hospitalizations annually revealed an increase in outpatient and emergency visits and hospitalizations, along with longer hospital stays and higher medical costs.
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Affiliation(s)
- Kuang-Ming Liao
- Department of Internal Medicine, Chi Mei Medical Center, Chiali, Tainan, Taiwan
- Department of Nursing, Min-Hwei Junior College of Health Care Management, Tainan, Taiwan
| | - Pei-Jun Chen
- Department of Nursing, Nantou Hospital, Ministry of Health and Welfare, Nantou, Taiwan
| | - Yu-Tung Hung
- Clinical Trial Center, Management Office for Health Data, China Medical University Hospital, Taichung, Taiwan
| | - Tzu-Ju Hsu
- Clinical Trial Center, Management Office for Health Data, China Medical University Hospital, Taichung, Taiwan
| | - Fuu-Jen Tsai
- Clinical Trial Center, Management Office for Health Data, China Medical University Hospital, Taichung, Taiwan
| | - Te-Chun Shen
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, China Medical University Hospital, No. 2 Yude Road, 404, Taichung, Taiwan.
- School of Medicine, China Medical University, Taichung, Taiwan.
- Division of Critical Care Medicine, Chu Shang Show Chwan Hospital, Nantou, Taiwan.
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25
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Cen Y, Li F, Li Y, Zhang K, Riaz F, Zhao K, Wei P, Pan F. Dimethyl fumarate alleviates allergic asthma by strengthening the Nrf2 signaling pathway in regulatory T cells. Front Immunol 2024; 15:1375340. [PMID: 38711519 PMCID: PMC11070462 DOI: 10.3389/fimmu.2024.1375340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 04/08/2024] [Indexed: 05/08/2024] Open
Abstract
Allergic asthma is a widely prevalent inflammatory condition affecting people across the globe. T cells and their secretory cytokines are central to the pathogenesis of allergic asthma. Here, we have evaluated the anti-inflammatory impact of dimethyl fumarate (DMF) in allergic asthma with more focus on determining its effect on T cell responses in allergic asthma. By utilizing the ovalbumin (OVA)-induced allergic asthma model, we observed that DMF administration reduced the allergic asthma symptoms and IgE levels in the OVA-induced mice model. Histopathological analysis showed that DMF treatment in an OVA-induced animal model eased the inflammation in the nasal and bronchial tissues, with a particular decrease in the infiltration of immune cells. Additionally, RT-qPCR analysis exhibited that treatment of DMF in an OVA-induced model reduced the expression of inflammatory cytokine (IL4, IL13, and IL17) while augmenting anti-inflammatory IL10 and Foxp3 (forkhead box protein 3). Mechanistically, we found that DMF increased the expression of Foxp3 by exacerbating the expression of nuclear factor E2-related factor 2 (Nrf2), and the in-vitro activation of Foxp3+ Tregs leads to an escalated expression of Nrf2. Notably, CD4-specific Nrf2 deletion intensified the allergic asthma symptoms and reduced the in-vitro iTreg differentiation. Meanwhile, DMF failed to exert protective effects on OVA-induced allergic asthma in CD4-specific Nrf2 knock-out mice. Overall, our study illustrates that DMF enhances Nrf2 signaling in T cells to assist the differentiation of Tregs, which could improve the anti-inflammatory immune response in allergic asthma.
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Affiliation(s)
- Yanhong Cen
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
- Department of Otolaryngology, West China Second University Hospital, Sichuan University, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Clinical Research Center for Radiation Oncology, Shanghai, China
- Shanghai Key Laboratory of Radiation Oncology, Shanghai, China
| | - Fangfang Li
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Yikui Li
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Kaimin Zhang
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Farooq Riaz
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Kuaile Zhao
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Clinical Research Center for Radiation Oncology, Shanghai, China
- Shanghai Key Laboratory of Radiation Oncology, Shanghai, China
| | - Ping Wei
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
- Department of Otolaryngology, West China Second University Hospital, Sichuan University, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, China
| | - Fan Pan
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
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Lipinksi JH, Ranjan P, Dickson RP, O’Dwyer DN. The Lung Microbiome. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:1269-1275. [PMID: 38560811 PMCID: PMC11073614 DOI: 10.4049/jimmunol.2300716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 01/01/2024] [Indexed: 04/04/2024]
Abstract
Although the lungs were once considered a sterile environment, advances in sequencing technology have revealed dynamic, low-biomass communities in the respiratory tract, even in health. Key features of these communities-composition, diversity, and burden-are consistently altered in lung disease, associate with host physiology and immunity, and can predict clinical outcomes. Although initial studies of the lung microbiome were descriptive, recent studies have leveraged advances in technology to identify metabolically active microbes and potential associations with their immunomodulatory by-products and lung disease. In this brief review, we discuss novel insights in airway disease and parenchymal lung disease, exploring host-microbiome interactions in disease pathogenesis. We also discuss complex interactions between gut and oropharyngeal microbiota and lung immunobiology. Our advancing knowledge of the lung microbiome will provide disease targets in acute and chronic lung disease and may facilitate the development of new therapeutic strategies.
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Affiliation(s)
- Jay H. Lipinksi
- Division of Pulmonary and Critical Care Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Piyush Ranjan
- Division of Pulmonary and Critical Care Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
- Dept. of Microbiology and Immunology, University of Michigan, Ann Arbor, MI, USA
| | - Robert P. Dickson
- Division of Pulmonary and Critical Care Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
- Dept. of Microbiology and Immunology, University of Michigan, Ann Arbor, MI, USA
- Weil Institute for Critical Care Research and Innovation, Ann Arbor, MI, USA
| | - David N. O’Dwyer
- Division of Pulmonary and Critical Care Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
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Saravanan KS, Satish KS, Saraswathy GR, Kuri U, Vastrad SJ, Giri R, Dsouza PL, Kumar AP, Nair G. Innovative target mining stratagems to navigate drug repurposing endeavours. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2024; 205:303-355. [PMID: 38789185 DOI: 10.1016/bs.pmbts.2024.03.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2024]
Abstract
The conventional theory linking a single gene with a particular disease and a specific drug contributes to the dwindling success rates of traditional drug discovery. This requires a substantial shift focussing on contemporary drug design or drug repurposing, which entails linking multiple genes to diverse physiological or pathological pathways and drugs. Lately, drug repurposing, the art of discovering new/unlabelled indications for existing drugs or candidates in clinical trials, is gaining attention owing to its success rates. The rate-limiting phase of this strategy lies in target identification, which is generally driven through disease-centric and/or drug-centric approaches. The disease-centric approach is based on exploration of crucial biomolecules such as genes or proteins underlying pathological cascades of the disease of interest. Investigating these pathological interplays aids in the identification of potential drug targets that can be leveraged for novel therapeutic interventions. The drug-centric approach involves various strategies such as exploring the mechanism of adverse drug reactions that can unearth potential targets, as these untoward reactions might be considered desirable therapeutic actions in other disease conditions. Currently, artificial intelligence is an emerging robust tool that can be used to translate the aforementioned intricate biological networks to render interpretable data for extracting precise molecular targets. Integration of multiple approaches, big data analytics, and clinical corroboration are essential for successful target mining. This chapter highlights the contemporary strategies steering target identification and diverse frameworks for drug repurposing. These strategies are illustrated through case studies curated from recent drug repurposing research inclined towards neurodegenerative diseases, cancer, infections, immunological, and cardiovascular disorders.
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Affiliation(s)
- Kamatchi Sundara Saravanan
- Department of Pharmacognosy, Faculty of Pharmacy, M.S. Ramaiah University of Applied Sciences, Bangalore, Karnataka, India
| | - Kshreeraja S Satish
- Department of Pharmacy Practice, Faculty of Pharmacy, M.S. Ramaiah University of Applied Sciences, Bangalore, Karnataka, India
| | - Ganesan Rajalekshmi Saraswathy
- Department of Pharmacy Practice, Faculty of Pharmacy, M.S. Ramaiah University of Applied Sciences, Bangalore, Karnataka, India.
| | - Ushnaa Kuri
- Department of Pharmacy Practice, Faculty of Pharmacy, M.S. Ramaiah University of Applied Sciences, Bangalore, Karnataka, India
| | - Soujanya J Vastrad
- Department of Pharmacy Practice, Faculty of Pharmacy, M.S. Ramaiah University of Applied Sciences, Bangalore, Karnataka, India
| | - Ritesh Giri
- Department of Pharmacy Practice, Faculty of Pharmacy, M.S. Ramaiah University of Applied Sciences, Bangalore, Karnataka, India
| | - Prizvan Lawrence Dsouza
- Department of Pharmacy Practice, Faculty of Pharmacy, M.S. Ramaiah University of Applied Sciences, Bangalore, Karnataka, India
| | - Adusumilli Pramod Kumar
- Department of Pharmacy Practice, Faculty of Pharmacy, M.S. Ramaiah University of Applied Sciences, Bangalore, Karnataka, India
| | - Gouri Nair
- Department of Pharmacology, Faculty of Pharmacy, M.S. Ramaiah University of Applied Sciences, Bangalore, Karnataka, India
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Mao Z, Ding Z, Liu Z, Shi Y, Zhang Q. miR-21-5p Modulates Airway Inflammation and Epithelial-Mesenchymal Transition Processes in a Mouse Model of Combined Allergic Rhinitis and Asthma Syndrome. Int Arch Allergy Immunol 2024; 185:775-785. [PMID: 38588656 PMCID: PMC11309074 DOI: 10.1159/000538252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 03/05/2024] [Indexed: 04/10/2024] Open
Abstract
INTRODUCTION Combined allergic rhinitis and asthma syndrome (CARAS) is a concurrent allergic symptom of diseases of allergic rhinitis and asthma. However, the mechanism of CARAS remains unclear. The study aimed to investigate the impact of microRNA-21 (miR-21) on CARAS via targeting poly (ADP-ribose) polymerase-1 (PARP-1) and phosphoinositide 3-kinase (PI3K)/AKT pathways. METHODS The levels of miR-21-5p and PARP-1 in CARAS patients were detected by quantitative reverse transcription polymerase chain reaction and enzyme-linked immunosorbent assay (ELISA). An ovalbumin-sensitized mouse model of CARAS was established. And knock down of miR-21-5p was constructed by intranasally administering with miR-21-5p shRNA-encoding adeno-associated virus vector. Airway resistance and airway inflammatory response were detected. ELISA was used to evaluate IL-4/IL-5/IL-13 levels in bronchoalveolar lavage fluid (BALF). Expression levels of E-cadherin, fibronectin, and α-SMA were determined using Western blotting. The levels of PARP-1 and the activation of PI3K/AKT were assayed. RESULTS Downregulation of miR-21-5p relieved pathophysiological symptoms of asthma including airway hyperreactivity and inflammatory cell infiltration. Downregulation of miR-21-5p significantly reduced the levels of IL4, IL-5, and IL-13 in BALF. Additionally, downregulation of miR-21-5p inhibited the epithelial-mesenchymal transition (EMT) process in CARAS mice. Furthermore, miR-21-5p regulated PARP-1 and was involved in PI3K/AKT activation in CARAS mice. CONCLUSION Downregulation of miR-21-5p ameliorated CARAS-associated lung injury by alleviating airway inflammation, inhibiting the EMT process, and regulating PARP-1/PI3K/AKT in a mouse model of CARAS.
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Affiliation(s)
- Zhengdao Mao
- Department of Respiratory and Critical Care Medicine, The Affiliated Changzhou Second People’s Hospital of Nanjing Medical University, Changzhou, China
| | - Ziqi Ding
- Department of Respiratory and Critical Care Medicine, The Affiliated Changzhou Second People’s Hospital of Nanjing Medical University, Changzhou, China
| | - Zhiguang Liu
- Department of Respiratory and Critical Care Medicine, The Affiliated Changzhou Second People’s Hospital of Nanjing Medical University, Changzhou, China
| | - Yujia Shi
- Department of Respiratory and Critical Care Medicine, The Affiliated Changzhou Second People’s Hospital of Nanjing Medical University, Changzhou, China
| | - Qian Zhang
- Department of Respiratory and Critical Care Medicine, The Affiliated Changzhou Second People’s Hospital of Nanjing Medical University, Changzhou, China
- Changzhou Medical Center, Nanjing Medical University, Changzhou, China
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Wongsurakiat P, Rattanawongpaibul A, Limsukon A, Chiewchalermsri C, Wiwatcharagoses K, Kornthatchapong K, Saiphoklang N, Sanguanwit P, Domthong P, Kawamatawong T, Sewatanon T, Reechaipichitkul W, Maneechotesuwan K. Expert panel consensus recommendations on the utilization of nebulized budesonide for managing asthma and COPD in both stable and exacerbation stages in Thailand. J Asthma 2024:1-16. [PMID: 38527278 DOI: 10.1080/02770903.2024.2334897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 03/20/2024] [Indexed: 03/27/2024]
Abstract
OBJECTIVE This study investigated the utilization of nebulized budesonide for acute asthma and COPD exacerbations as well as for maintenance therapy in adults. DATA SOURCES We conducted a search on PubMed for nebulized budesonide treatment. SELECTED STUDIES Selecting all English-language papers that utilize Mesh phrases "asthma," "COPD," "budesonide," "nebulized," "adult," "exacerbation," and "maintenance" without temporal restrictions, and narrowing down to clinical research such as RCTs, observational studies, and real-world studies. RESULTS Analysis of 25 studies was conducted to assess the effectiveness of nebulized budesonide in asthma (n = 10) and COPD (n = 15). The panel in Thailand recommended incorporating nebulized budesonide as an additional or alternative treatment option to the standard of care and systemic corticosteroids (SCS) based on the findings. CONCLUSION Nebulized budesonide is effective and well-tolerated in treating asthma and COPD, with less systemic adverse effects compared to systemic corticosteroids. High-dose nebulized budesonide can enhance clinical outcomes for severe and mild exacerbations with slow systemic corticosteroid response. Nebulized budesonide can substitute systemic corticosteroids in some situations.
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Affiliation(s)
- Phunsup Wongsurakiat
- Division of Respiratory Diseases and Tuberculosis, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | | | - Atikun Limsukon
- Division of Pulmonary, Critical Care and Allergy, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Chirawat Chiewchalermsri
- Department of Internal Medicine, Panyananthaphikkhu Chonprathan Medical Center Srinakharinwirot University, Nonthaburi, Thailand
| | - Kittiyaporn Wiwatcharagoses
- Department of Emergency Medicine, Faculty of Medicine, Rajavithi Hospital, College of Medicine, Rangsit University, Bangkok, Thailand
| | | | - Narongkorn Saiphoklang
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Faculty of Medicine, Thammasat University, Pathum Thani, Thailand
| | - Pitsucha Sanguanwit
- Department of Emergency Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Pornanan Domthong
- Division of Pulmonary and Critical Care Division, Department of Internal Medicine, Khon Kaen Hospital, Khon Kaen, Thailand
| | - Theerasuk Kawamatawong
- Associate Professor of Medicine, General Secretariate, Thai Asthma Council (TAC), Bangkok, Thailand
| | - Tirachat Sewatanon
- Division of Pulmonary and Critical Care, Department of Internal Medicine, Maharat Nakhon Ratchasima Hospital, Nakhon Ratchasima, Thailand
| | - Wipa Reechaipichitkul
- Division of Pulmonary and Critical Care Medicine, Srinagarind Hospital, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Kittipong Maneechotesuwan
- Division of Respiratory Diseases and Tuberculosis, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Sumi MP, Westcott R, Stuehr E, Ghosh C, Stuehr DJ, Ghosh A. Regional variations in allergen-induced airway inflammation correspond to changes in soluble guanylyl cyclase heme and expression of heme oxygenase-1. FASEB J 2024; 38:e23572. [PMID: 38512139 DOI: 10.1096/fj.202301626rrr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 02/09/2024] [Accepted: 03/08/2024] [Indexed: 03/22/2024]
Abstract
Asthma is characterized by airway remodeling and hyperreactivity. Our earlier studies determined that the nitric oxide (NO)-soluble guanylyl cyclase (sGC)-cGMP pathway plays a significant role in human lung bronchodilation. However, this bronchodilation is dysfunctional in asthma due to high NO levels, which cause sGC to become heme-free and desensitized to its natural activator, NO. In order to determine how asthma impacts the various lung segments/lobes, we mapped the inflammatory regions of lungs to determine whether such regions coincided with molecular signatures of sGC dysfunction. We demonstrate using murine models of asthma (OVA and CFA/HDM) that the inflamed segments of these murine lungs can be tracked by upregulated expression of HO1 and these regions in turn overlap with regions of heme-free sGC as evidenced by a decreased sGC-α1β1 heterodimer and an increased response to heme-independent sGC activator, BAY 60-2770, relative to naïve uninflamed regions. We also find that NO generated from iNOS upregulation in the inflamed segments has a higher impact on developing heme-free sGC as increasing iNOS activity correlates linearly with elevated heme-independent sGC activation. This excess NO works by affecting the epithelial lung hemoglobin (Hb) to become heme-free in asthma, thereby causing the Hb to lose its NO scavenging function and exposing the underlying smooth muscle sGC to excess NO, which in turn becomes heme-free. Recognition of these specific lung segments enhances our understanding of the inflamed lungs in asthma with the ultimate aim to evaluate potential therapies and suggest that regional and not global inflammation impacts lung function in asthma.
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Affiliation(s)
- Mamta P Sumi
- Department of Inflammation and Immunity, Lerner Research Institute, The Cleveland Clinic, Cleveland, Ohio, USA
| | - Rosemary Westcott
- Department of Biomedical Engineering, Lerner Research Institute, The Cleveland Clinic, Cleveland, Ohio, USA
| | - Eric Stuehr
- Department of Inflammation and Immunity, Lerner Research Institute, The Cleveland Clinic, Cleveland, Ohio, USA
| | - Chaitali Ghosh
- Department of Biomedical Engineering, Lerner Research Institute, The Cleveland Clinic, Cleveland, Ohio, USA
| | - Dennis J Stuehr
- Department of Inflammation and Immunity, Lerner Research Institute, The Cleveland Clinic, Cleveland, Ohio, USA
| | - Arnab Ghosh
- Department of Inflammation and Immunity, Lerner Research Institute, The Cleveland Clinic, Cleveland, Ohio, USA
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Huang J, Cai H, Ye X, Zhang G, Ye L, Yang C, Wang J, Jin M. Demethylzeylasteral (T-96) Alleviates Allergic Asthma via Inhibiting MAPK/ERK and NF-κB Pathway. Int Arch Allergy Immunol 2024; 185:631-640. [PMID: 38527438 PMCID: PMC11216359 DOI: 10.1159/000537837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 02/12/2024] [Indexed: 03/27/2024] Open
Abstract
INTRODUCTION Demethylzeylasteral (T-96), a new extract of Tripterygium wilfordii Hook F, exerted immunomodulatory properties in autoimmune diseases, but its effect on airway inflammatory diseases remains unclear. Our study aims to explore the protective effect and underlying mechanism of T-96 in allergic asthma. METHODS The OVA-induced asthmatic mice were administered by gavage with T-96 (0.1 mg/10 g, 0.3 mg/10 g, or 0.6 mg/10 g) 1 h before each challenge. The airway hyperresponsiveness was assessed, pathological changes were evaluated by HE and PAS staining, and expressions of Th2 cytokines were determined by PCR and ELISA. The activation of MAPK/ERK and NF-κB pathway was assessed by western blot. RESULTS T-96 significantly relieved airway hyperresponsiveness in asthmatic mice, evidenced by reduced airway resistance (Raw) and increased lung compliance dynamic compliance (Cdyn). Also, enhanced inflammatory infiltration and mucus hypersecretion were ameliorated in lungs of asthmatic mice following increasing doses of T-96 treatment, accompanied by decreased eosinophils in bronchoalveolar lavage fluid (BALF), IgE and OVA-specific IgE levels in serum, and downregulated IL-5 and IL-13 expressions in BALF and lung tissues as well. Notably, phosphorylation levels of p38 MAPK, ERK, and p65 NF-κB were obviously increased in asthmatic mice compared with the control group, which were then abrogated upon T-96 treatment. CONCLUSION This study first revealed that T-96 alleviated allergic airway inflammation and airway hyperresponsiveness via inhibiting MAPK/ERK and NF-κB pathway. Thus, T-96 could potentially act as a new anti-inflammatory agent in allergic asthma.
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Affiliation(s)
- Jianan Huang
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hui Cai
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xiaofen Ye
- Department of Pharmacy, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ge Zhang
- Department of Pulmonary Medicine, Xuhui Central Hospital, Shanghai Clinical Research Center, Shanghai, China
| | - Ling Ye
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
- Department of Allergy, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Chunxin Yang
- Department of Pharmacy, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jian Wang
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Meiling Jin
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
- Department of Allergy, Zhongshan Hospital, Fudan University, Shanghai, China
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Le HHTC, Ngo HKT, Hieu LS, Sly PD, Phung D, Le An P, Vinh NN, Dang TN, Thuong DTH, Thanh HN, Thai PK. Indoor air pollution is associated with respiratory symptoms in children in urban Vietnam. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 917:170556. [PMID: 38296088 DOI: 10.1016/j.scitotenv.2024.170556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 01/07/2024] [Accepted: 01/27/2024] [Indexed: 02/05/2024]
Abstract
Exposure to indoor air pollution (IAP) is a leading environmental risk for respiratory diseases. We investigated the relationship between respiratory symptoms and polluting indoor activities such as smoking, cooking and contact with pets among children in Ho Chi Minh City (HCMC), Vietnam. A cross-sectional survey applied a multistage sampling method in 24 randomly selected secondary schools across the city. Approximately 15,000 students completed self-administrated questionnaires on risk factors and respiratory health outcomes within the preceding 12 months. Data were analyzed using a multivariable logistic regression model with robust standard errors. Wheeze was the most common respiratory symptom (39.5 %) reported, followed by sneezing and runny nose (28.3 %). A small percentage of students self-reported asthma (8.6 %). Approximately 56 % of participants lived with family members who smoked. A positive association between exposure to indoor secondhand smoke and respiratory symptoms was observed, with adjusted odds ratios (aOR) of 1.41 (95 % CI: 1.25-1.60, p < 0.001) for wheezing and 1.64 (95 % CI: 1.43-1.87, p < 0.001) for sneezing and runny nose, respectively. Using an open stove fuelled by coal, wood, or kerosene for cooking was associated with wheeze (aOR: 1.36, CI 95 %: 1.10-1.68, p = 0.01) and sneezing and runny nose (aOR: 1.36, CI 95 %: 1.09-1.69, p = 0.01). In the present study, IAP was associated with adverse health outcomes, as evidenced by an increase in respiratory symptoms reported within the previous 12 months.
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Affiliation(s)
- Hong H T C Le
- Children's Health and Environment Program, Child Health Research Centre, The University of Queensland, Australia
| | - Hieu K T Ngo
- Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh, Viet Nam
| | - Le Sy Hieu
- Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh, Viet Nam
| | - Peter D Sly
- Children's Health and Environment Program, Child Health Research Centre, The University of Queensland, Australia
| | - Dung Phung
- School of Public Health, The University of Queensland, Australia
| | - Pham Le An
- Centre for the Training of Family Medicine, Faculty of Medicine, University of Medicine and Pharmacy at Ho Chi Minh City, Viet Nam; Science and Technology Department, University of Medicine and Pharmacy at Ho Chi Minh City, Viet Nam.
| | - Nguyen Nhu Vinh
- Centre for the Training of Family Medicine, Faculty of Medicine, University of Medicine and Pharmacy at Ho Chi Minh City, Viet Nam
| | - Tran Ngoc Dang
- Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh, Viet Nam
| | - Do Thi Hoai Thuong
- Science and Technology Department, University of Medicine and Pharmacy at Ho Chi Minh City, Viet Nam
| | - Huynh Ngoc Thanh
- Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh, Viet Nam
| | - Phong K Thai
- Queensland Alliance for Environmental Health Sciences (QAEHS), The University of Queensland, Australia
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Pelaia C, Giacalone A, Ippolito G, Pastore D, Maglio A, Piazzetta GL, Lobello N, Lombardo N, Vatrella A, Pelaia G. Difficult-To-Treat and Severe Asthma: Can Real-World Studies On Effectiveness of Biological Treatments Change the Lives of Patients? Pragmat Obs Res 2024; 15:45-51. [PMID: 38495680 PMCID: PMC10941791 DOI: 10.2147/por.s396799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 02/28/2024] [Indexed: 03/19/2024] Open
Abstract
Many different phenotypes that characterize severe asthma are supported by intricate pathomechanisms called endotypes. The latter are driven by molecular interactions, mediated by intercellular networks. With regard to the biological treatments of either allergic or non-allergic eosinophilic type 2 asthma, real-world studies have confirmed the positive effects of currently available antibodies directed against immunoglobulins E (IgE), interleukin-5 (IL-5) and its receptor, as well as the receptors of interleukins-4 (IL-4) and 13 (IL-13). The best way to treat severe asthma should be chosen based on the peculiar phenotypic and endotypic traits of each patient. This will lead to relevant improvements in both clinical and functional outcomes. In particular, biological therapies can change the lives of asthma patients with a strong impact on quality of life. Unfortunately, patients with severe non-type-2 asthma, who continue to have pertinent unmet needs, are not receiving satisfactory advances within the context of biological treatments. It is also hopeful that in the next future new therapeutic strategies will be specifically implemented for these people, perhaps offering them the opportunity to improve their current, mostly inadequate asthma management.
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Affiliation(s)
- Corrado Pelaia
- Department of Medical and Surgical Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Antonio Giacalone
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Gianluca Ippolito
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Daniela Pastore
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Angelantonio Maglio
- Department of Medicine, Surgery and Dentistry, University of Salerno, Salerno, Italy
| | - Giovanna Lucia Piazzetta
- Department of Medical and Surgical Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Nadia Lobello
- Department of Medical and Surgical Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Nicola Lombardo
- Department of Medical and Surgical Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Alessandro Vatrella
- Department of Medicine, Surgery and Dentistry, University of Salerno, Salerno, Italy
| | - Girolamo Pelaia
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
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Peh HY, Brüggemann TR, Duvall MG, Nshimiyimana R, Nijmeh J, Cinelli MA, Israel E, Serhan CN, Levy BD. Resolvin D2 regulates type 2 inflammatory responses and promotes resolution of mouse allergic inflammation. Allergy 2024; 79:739-743. [PMID: 37888888 PMCID: PMC10922258 DOI: 10.1111/all.15920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 09/27/2023] [Accepted: 10/10/2023] [Indexed: 10/28/2023]
Affiliation(s)
- Hong Yong Peh
- Pulmonary and Critical Care Medicine Division, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Thayse R. Brüggemann
- Pulmonary and Critical Care Medicine Division, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Melody G. Duvall
- Pulmonary and Critical Care Medicine Division, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Robert Nshimiyimana
- Center for Experimental Therapeutics and Reperfusion Injury, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Julie Nijmeh
- Pulmonary and Critical Care Medicine Division, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Maria A. Cinelli
- Pulmonary and Critical Care Medicine Division, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Elliot Israel
- Pulmonary and Critical Care Medicine Division, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Charles N. Serhan
- Center for Experimental Therapeutics and Reperfusion Injury, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Bruce D. Levy
- Pulmonary and Critical Care Medicine Division, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
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Lommatzsch M, Rovas G, Nastev A, Stuck BA, Pfaar O. [Update on asthma 2024 - what the ENT specialist needs to know]. Laryngorhinootologie 2024; 103:219-230. [PMID: 38437838 DOI: 10.1055/a-2189-1732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
The lifetime prevalence of 8.6% of asthma in Germany reflects the high medical and socioeconomic impact of the disease. Asthma treatment goals have changed during the last decades: from symptom control to symptom prevention, with highly effective, disease-modifying anti-asthmatic drugs (DMAADs) aiming at asthma remission. In order to achieve this goal, phenotyping of patients (including an evaluation of allergies and type 2 biomarkers) is crucial for personalized treatment. The identification and effective treatment of concomitant diseases, such as allergic rhinitis or chronic rhinosinusitis with nasal polyps (CRSwNP), plays a major role for successful treatment. This underlines the importance of interdisciplinary collaboration of otolaryngologists and respiratory physicians in the management of patients with asthma. This CME article informs the reader about current guidelines on the diagnosis and treatment of asthma, focusing on clinically relevant recommendations for ENT physicians.
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Kim HS, Kim B, Holzapfel WH, Kang H. Lactiplantibacillusplantarum APsulloc331261 (GTB1 ™) promotes butyrate production to suppress mucin hypersecretion in a murine allergic airway inflammation model. Front Microbiol 2024; 14:1292266. [PMID: 38449878 PMCID: PMC10915089 DOI: 10.3389/fmicb.2023.1292266] [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: 09/11/2023] [Accepted: 12/15/2023] [Indexed: 03/08/2024] Open
Abstract
Introduction Allergic airway diseases are one of the serious health problems in worldwide and allergic airway inflammation is a prerequisite led to the exacerbated situation such as mucus hypersecretion, epithelial barrier damage and microbiota dysbiosis. Because of side effects and low efficiencies of current therapeutics, the need for novel alternatives has been urged. Probiotics in which have diverse and beneficial modulatory effects have been applied to the airway inflammation model and the underlying mechanism needs to be investigated. Methods We aimed to evaluate whether our target strain, Lactiplantibacillus plantarum APsulloc331261 (GTB1TM) isolated from green tea, can ameliorate allergic airway inflammation in mice and to figure out the mechanism. We induced allergic airway inflammation to mice by ovalbumin (OVA) and administered GTB1 orally and the immune and epithelial barrier markers were assessed. The gut metabolite and microbiota were also analysed, and the in vitro cell-line experiment was introduced to confirm the hypothesis of the study. Results GTB1 ameliorated type 2 inflammation and suppressed mucin hypersecretion with the inhibition of MUC5AC in inflamed mice. Moreover, GTB1 increased the butyrate production and the relative abundance of butyrate producer, Clostridium cluster IV. We assumed that butyrate may have a potential role and investigated the effect of butyrate in mucin regulation via human airway epithelial cell line, A549. Butyrate significantly reduced the gene expression of MUC5AC in A549 cells suggesting its regulatory role in mucus production. Conclusion Therefore, our study demonstrates that the oral administration of GTB1 can ameliorate allergic airway inflammation and mucin hypersecretion by butyrate production.
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Affiliation(s)
- Hye-Shin Kim
- Department of Advanced Convergence, Handong Global University, Pohang, Republic of Korea
- HEM Pharma, Pohang, Republic of Korea
| | - Bobae Kim
- HEM Pharma, Pohang, Republic of Korea
| | - Wilhelm H. Holzapfel
- Department of Advanced Convergence, Handong Global University, Pohang, Republic of Korea
- HEM Pharma, Pohang, Republic of Korea
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Feng X, Shi Y, Zhang Y, Lei F, Ren R, Tang X. Opportunities and Challenges for Inhalable Nanomedicine Formulations in Respiratory Diseases: A Review. Int J Nanomedicine 2024; 19:1509-1538. [PMID: 38384321 PMCID: PMC10880554 DOI: 10.2147/ijn.s446919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 01/24/2024] [Indexed: 02/23/2024] Open
Abstract
Lungs experience frequent interactions with the external environment and have an abundant supply of blood; therefore, they are susceptible to invasion by pathogenic microorganisms and tumor cells. However, the limited pharmacokinetics of conventional drugs in the lungs poses a clinical challenge. The emergence of different nano-formulations has been facilitated by advancements in nanotechnology. Inhaled nanomedicines exhibit better targeting and prolonged therapeutic effects. Although nano-formulations have great potential, they still present several unknown risks. Herein, we review the (1) physiological anatomy of the lungs and their biological barriers, (2) pharmacokinetics and toxicology of nanomaterial formulations in the lungs; (3) current nanomaterials that can be applied to the respiratory system and related design strategies, and (4) current applications of inhaled nanomaterials in treating respiratory disorders, vaccine design, and imaging detection based on the characteristics of different nanomaterials. Finally, (5) we analyze and summarize the challenges and prospects of nanomaterials for respiratory disease applications. We believe that nanomaterials, particularly inhaled nano-formulations, have excellent prospects for application in respiratory diseases. However, we emphasize that the simultaneous toxic side effects of biological nanomaterials must be considered during the application of these emerging medicines. This study aims to offer comprehensive guidelines and valuable insights for conducting research on nanomaterials in the domain of the respiratory system.
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Affiliation(s)
- Xujun Feng
- Department of Respiratory and Critical Care Medicine, Sleep Medicine Center, Mental Health Center, West China Hospital, Sichuan University, Chengdu, People’s Republic of China
| | - Yuan Shi
- Department of Respiratory and Critical Care Medicine, Sleep Medicine Center, Mental Health Center, West China Hospital, Sichuan University, Chengdu, People’s Republic of China
| | - Ye Zhang
- Department of Respiratory and Critical Care Medicine, Sleep Medicine Center, Mental Health Center, West China Hospital, Sichuan University, Chengdu, People’s Republic of China
| | - Fei Lei
- Department of Respiratory and Critical Care Medicine, Sleep Medicine Center, Mental Health Center, West China Hospital, Sichuan University, Chengdu, People’s Republic of China
| | - Rong Ren
- Department of Respiratory and Critical Care Medicine, Sleep Medicine Center, Mental Health Center, West China Hospital, Sichuan University, Chengdu, People’s Republic of China
| | - Xiangdong Tang
- Department of Respiratory and Critical Care Medicine, Sleep Medicine Center, Mental Health Center, West China Hospital, Sichuan University, Chengdu, People’s Republic of China
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Djeddi S, Fernandez-Salinas D, Huang GX, Aguiar VRC, Mohanty C, Kendziorski C, Gazal S, Boyce J, Ober C, Gern J, Barrett N, Gutierrez-Arcelus M. Rhinovirus infection of airway epithelial cells uncovers the non-ciliated subset as a likely driver of genetic susceptibility to childhood-onset asthma. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.02.02.24302068. [PMID: 38370648 PMCID: PMC10871459 DOI: 10.1101/2024.02.02.24302068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
Asthma is a complex disease caused by genetic and environmental factors. Epidemiological studies have shown that in children, wheezing during rhinovirus infection (a cause of the common cold) is associated with asthma development during childhood. This has led scientists to hypothesize there could be a causal relationship between rhinovirus infection and asthma or that RV-induced wheezing identifies individuals at increased risk for asthma development. However, not all children who wheeze when they have a cold develop asthma. Genome-wide association studies (GWAS) have identified hundreds of genetic variants contributing to asthma susceptibility, with the vast majority of likely causal variants being non-coding. Integrative analyses with transcriptomic and epigenomic datasets have indicated that T cells drive asthma risk, which has been supported by mouse studies. However, the datasets ascertained in these integrative analyses lack airway epithelial cells. Furthermore, large-scale transcriptomic T cell studies have not identified the regulatory effects of most non-coding risk variants in asthma GWAS, indicating there could be additional cell types harboring these "missing regulatory effects". Given that airway epithelial cells are the first line of defense against rhinovirus, we hypothesized they could be mediators of genetic susceptibility to asthma. Here we integrate GWAS data with transcriptomic datasets of airway epithelial cells subject to stimuli that could induce activation states relevant to asthma. We demonstrate that epithelial cultures infected with rhinovirus significantly upregulate childhood-onset asthma-associated genes. We show that this upregulation occurs specifically in non-ciliated epithelial cells. This enrichment for genes in asthma risk loci, or 'asthma heritability enrichment' is also significant for epithelial genes upregulated with influenza infection, but not with SARS-CoV-2 infection or cytokine activation. Additionally, cells from patients with asthma showed a stronger heritability enrichment compared to cells from healthy individuals. Overall, our results suggest that rhinovirus infection is an environmental factor that interacts with genetic risk factors through non-ciliated airway epithelial cells to drive childhood-onset asthma.
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Tamayo JM, Osman HC, Schwartzer JJ, Ashwood P. The influence of asthma on neuroinflammation and neurodevelopment: From epidemiology to basic models. Brain Behav Immun 2024; 116:218-228. [PMID: 38070621 DOI: 10.1016/j.bbi.2023.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 11/08/2023] [Accepted: 12/04/2023] [Indexed: 12/18/2023] Open
Abstract
Asthma is a highly heterogeneous inflammatory disease that can have a significant effect on both the respiratory system and central nervous system. Population based studies and animal models have found asthma to be comorbid with a number of neurological conditions, including depression, anxiety, and neurodevelopmental disorders. In addition, maternal asthma during pregnancy has been associated with neurodevelopmental disorders in the offspring, such as autism spectrum disorders and attention deficit hyperactivity disorder. In this article, we review the most current epidemiological studies of asthma that identify links to neurological conditions, both as it relates to individuals that suffer from asthma and the impacts asthma during pregnancy may have on offspring neurodevelopment. We also discuss the relevant animal models investigating these links, address the gaps in knowledge, and explore the potential future directions in this field.
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Affiliation(s)
- Juan M Tamayo
- Department of Medical Microbiology and Immunology, and the M.I.N.D. Institute, University of California at Davis, CA 95817, USA
| | - Hadley C Osman
- Department of Medical Microbiology and Immunology, and the M.I.N.D. Institute, University of California at Davis, CA 95817, USA
| | - Jared J Schwartzer
- Program in Neuroscience and Behavior, Department of Psychology and Education, Mount Holyoke College, 50 College Street, South Hadley, MA 01075, USA
| | - Paul Ashwood
- Department of Medical Microbiology and Immunology, and the M.I.N.D. Institute, University of California at Davis, CA 95817, USA.
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Hamu-Tanoue A, Takagi K, Taketomi Y, Miki Y, Nishito Y, Kano K, Aoki J, Matsuyama T, Kondo K, Dotake Y, Matsuyama H, Machida K, Murakami M, Inoue H. Group III secreted phospholipase A 2 -driven lysophospholipid pathway protects against allergic asthma. FASEB J 2024; 38:e23428. [PMID: 38236184 DOI: 10.1096/fj.202301976r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 12/21/2023] [Accepted: 01/03/2024] [Indexed: 01/19/2024]
Abstract
Asthma is a chronic inflammatory disease of the airways characterized by recurrent episodes of airway obstruction, hyperresponsiveness, remodeling, and eosinophilia. Phospholipase A2 s (PLA2 s), which release fatty acids and lysophospholipids from membrane phospholipids, have been implicated in exacerbating asthma by generating pro-asthmatic lipid mediators, but an understanding of the association between individual PLA2 subtypes and asthma is still incomplete. Here, we show that group III-secreted PLA2 (sPLA2 -III) plays an ameliorating, rather than aggravating, role in asthma pathology. In both mouse and human lungs, sPLA2 -III was expressed in bronchial epithelial cells and decreased during the asthmatic response. In an ovalbumin (OVA)-induced asthma model, Pla2g3-/- mice exhibited enhanced airway hyperresponsiveness, eosinophilia, OVA-specific IgE production, and type 2 cytokine expression as compared to Pla2g3+/+ mice. Lipidomics analysis showed that the pulmonary levels of several lysophospholipids, including lysophosphatidylcholine, lysophosphatidylethanolamine, and lysophosphatidic acid (LPA), were decreased in OVA-challenged Pla2g3-/- mice relative to Pla2g3+/+ mice. LPA receptor 2 (LPA2 ) agonists suppressed thymic stromal lymphopoietin (TSLP) expression in bronchial epithelial cells and reversed airway hyperresponsiveness and eosinophilia in Pla2g3-/- mice, suggesting that sPLA2 -III negatively regulates allergen-induced asthma at least by producing LPA. Thus, the activation of the sPLA2 -III-LPA pathway may be a new therapeutic target for allergic asthma.
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Affiliation(s)
- Asako Hamu-Tanoue
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Koichi Takagi
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Yoshitaka Taketomi
- Laboratory of Microenvironmental and Metabolic Health Science, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Center for Basic Technology Research, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Yoshimi Miki
- Laboratory of Microenvironmental and Metabolic Health Science, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yasumasa Nishito
- Center for Basic Technology Research, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Kuniyuki Kano
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Junken Aoki
- Department of Health Chemistry, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Takahiro Matsuyama
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Kiyotaka Kondo
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Yoichi Dotake
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Hiromi Matsuyama
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Kentaro Machida
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Makoto Murakami
- Laboratory of Microenvironmental and Metabolic Health Science, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- AMED-CREST, Japan Agency for Medical Research and Development, Tokyo, Japan
| | - Hiromasa Inoue
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
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Li J, Bao T, Cao L, Ma M, Yu B, Zhang Y, Wu R, Zhu H, Tian Z. Establishment of a juvenile mouse asthma model induced by postnatal hyperoxia exposure combined with early OVA sensitization. Heliyon 2024; 10:e23291. [PMID: 38148813 PMCID: PMC10750071 DOI: 10.1016/j.heliyon.2023.e23291] [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: 04/07/2023] [Revised: 11/22/2023] [Accepted: 11/30/2023] [Indexed: 12/28/2023] Open
Abstract
Objective To establish a juvenile mouse asthma model by postnatal hyperoxia exposure combined with early ovalbumin (OVA) sensitization. Methods Female C57BL/6J newborn mice were exposed to hyperoxia (95 % O2) from postnatal day-1 (PND1) to PND7; intraperitoneally injected with OVA suspension on PND21, PND28; and stimulated by nebulized inhalation of 1 % OVA from PND36 to PND42. Within 48 h of the last challenge, we observed their activity performance and evaluated airway responsiveness (AHR). All mice were executed at PND44. Female (n = 32) were divided into four groups as follows: room air(RA)+phosphate-buffered saline (PBS) group; O2 (hyperoxia, 95 % O2) + PBS group; RA + OVA group; O2+OVA group. We obtained the serum, bronchoalveolar lavage fluid (BALF), and lung tissues. The Wright-Giemsa staining was performed for leukocyte classification in BALF and HE staining for pathological examination. The levels of IL-2, IL-5, IL-13, IL-17A and IL-10 in BALF and tIgE and sIgE in serum were detected by ELISA. Results Compared with OVA sensitization or hyperoxia exposure alone, the mice in the model group (O2+OVA) showed asthma-like symptoms and increased airway hyperreactivity,The levels of IL-5,IL-13 IL-17A were increased in BLAF,and total leukocyte and eosinophil counts were also significant increasesed. The levels of tIgE and sIgE in serum were increased. Conclusion Postnatal hyperoxia exposure combined with early OVA sensitization might establish a juvenile mouse asthma model.
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Affiliation(s)
- Jingyan Li
- Department of Neonatology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai 'an, Jiangsu, 223300, China
| | - Tianping Bao
- Department of Neonatology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai 'an, Jiangsu, 223300, China
| | - Linxia Cao
- Department of Neonatology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai 'an, Jiangsu, 223300, China
| | - Mengmeng Ma
- Department of Neonatology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai 'an, Jiangsu, 223300, China
| | - Bingrui Yu
- Department of Neonatology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai 'an, Jiangsu, 223300, China
| | - Yuan Zhang
- Department of Neonatology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai 'an, Jiangsu, 223300, China
| | - Rong Wu
- Neonatal Medical Center, Huaian Maternity and Child Healthcare Hospital, Anhui Medical University, Huai'an, Jiangsu, 223002, China
| | - Haiyan Zhu
- Department of Neonatology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai 'an, Jiangsu, 223300, China
| | - Zhaofang Tian
- Department of Neonatology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai 'an, Jiangsu, 223300, China
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Correa-Agudelo E, Gautam Y, Mendy A, Mersha TB. Racial differences in length of stay and readmission for asthma in the all of us research program. J Transl Med 2024; 22:22. [PMID: 38178151 PMCID: PMC10768130 DOI: 10.1186/s12967-023-04826-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 12/22/2023] [Indexed: 01/06/2024] Open
Abstract
BACKGROUND This study addresses the limited research on racial disparities in asthma hospitalization outcomes, specifically length of stay (LOS) and readmission, across the U.S. METHODS We analyzed in-patient and emergency department visits from the All of Us Research Program, identifying various risk factors (demographic, comorbid, temporal, and place-based) associated with asthma LOS and 30-day readmission using Bayesian mixed-effects models. RESULTS Of 17,233 patients (48.0% White, 30.7% Black, 19.7% Hispanic/Latino, 1.3% Asian, and 0.3% Middle Eastern and North African) with 82,188 asthma visits, Black participants had 20% shorter LOS and 12% higher odds of readmission, compared to White participants in multivariate analyses. Public-insured patients had 14% longer LOS and 39% higher readmission odds than commercially insured patients. Weekend admissions resulted in a 12% shorter LOS but 10% higher readmission odds. Asthmatics with chronic diseases had a longer LOS (range: 6-39%) and higher readmission odds (range: 9-32%) except for those with allergic rhinitis, who had a 23% shorter LOS. CONCLUSIONS A comprehensive understanding of the factors influencing asthma hospitalization, in conjunction with diverse datasets and clinical-community partnerships, can help physicians and policymakers to systematically address racial disparities, healthcare utilization and equitable outcomes in asthma care.
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Affiliation(s)
- Esteban Correa-Agudelo
- Division of Asthma Research, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, 3333 Burnet Ave, Cincinnati, OH, 45229, USA
| | - Yadu Gautam
- Division of Asthma Research, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, 3333 Burnet Ave, Cincinnati, OH, 45229, USA
| | - Angelico Mendy
- Division of Epidemiology, Department of Environmental and Public Health Sciences, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Tesfaye B Mersha
- Division of Asthma Research, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, 3333 Burnet Ave, Cincinnati, OH, 45229, USA.
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Saikumar Jayalatha AK, Jonker MR, Carpaij OA, van den Berge M, Affleck KX, Koppelman GH, Nawijn MC. Lack of a transcriptional response of primary bronchial epithelial cells from patients with asthma and controls to IL-33. Am J Physiol Lung Cell Mol Physiol 2024; 326:L65-L70. [PMID: 38050688 DOI: 10.1152/ajplung.00298.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 11/02/2023] [Accepted: 11/07/2023] [Indexed: 12/06/2023] Open
Abstract
IL-33 and IL-1RL1 are well-replicated asthma genes that act in a single pathway toward type-2 immune responses. IL-33 is expressed by basal epithelial cells, and the release of IL-33 upon epithelial damage can activate innate lymphoid cells, T helper-2 cells, basophilic granulocytes, and mast cells through a receptor complex containing IL-1RL1. However, it is unknown how bronchial epithelial cells respond to IL-33, and whether this response is increased in the disease. We aimed to characterize the IL-33-driven transcriptomic changes in cultured primary bronchial epithelial cells from patients with asthma and healthy controls. Primary bronchial epithelial cells (PBECs) were obtained by bronchial brushing from six healthy control for air-liquid interface (ALI) cultures, whereas we selected eight healthy controls and seven patients with asthma for epithelial organoid cultures. We then stimulated the cultures for 24 h with recombinant IL-33 (rhIL33) at various concentrations with 1, 10, and 50 ng/mL for the ALI cultures and 20 ng/mL and 100 ng/mL for the organoid cultures, followed by RNA-sequencing and differential gene expression analysis. We did not detect any genome-wide significant differentially expressed genes after stimulation of PBECs with IL-33, irrespective of growth in three-dimensional (3-D) epithelial organoids or after differentiation in ALI cultures. These results were identical between PBECs obtained from patients with asthma or from healthy control subjects. We detected very low levels of IL-1RL1 gene expression in these airway epithelial cell cultures. We conclude that bronchial epithelial cells do not have a transcriptional response to IL-33, independent of their differentiation state. Hence, the airway epithelium acts as a source of IL-33 but does not seem to contribute to the response upon release of the alarmin after epithelial damage.NEW & NOTEWORTHY The IL-33/IL-1RL1 pathway stands as a formidable genetic predisposition for asthma, with ongoing clinical developments of various drugs designed to mitigate its influence in patients with asthma. The absence of a transcriptomic reaction to IL-33 within the bronchial epithelium holds significance in the pursuit of identifying biomarkers that can aid in pinpointing those individuals who would derive the greatest benefit from therapies targeting the IL-33 pathway.
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Affiliation(s)
- Akshaya Keerthi Saikumar Jayalatha
- Laboratory of Experimental Pulmonology and Inflammation Research (EXPIRE), Department of Pathology and Medical Biology, GRIAC Research Institute, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Marnix R Jonker
- Laboratory of Experimental Pulmonology and Inflammation Research (EXPIRE), Department of Pathology and Medical Biology, GRIAC Research Institute, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Orestes A Carpaij
- Department of Pulmonary Diseases, GRIAC Research Institute, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Maarten van den Berge
- Department of Pulmonary Diseases, GRIAC Research Institute, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Karen X Affleck
- Immunology Research Unit, GlaxoSmithkline, Stevenage, United Kingdom
| | - Gerard H Koppelman
- Department of Pediatric Pulmonology and Pediatric Allergology, GRIAC Research Institute, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Martijn C Nawijn
- Laboratory of Experimental Pulmonology and Inflammation Research (EXPIRE), Department of Pathology and Medical Biology, GRIAC Research Institute, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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Wang H, Tao F, Li CY, Yang GJ, Chen J. Short-term administration of Qipian®, a mixed bacterial lysate, inhibits airway inflammation in ovalbumin-induced mouse asthma by modulating cellular, humoral and neurogenic immune responses. Life Sci 2024; 336:122310. [PMID: 38013140 DOI: 10.1016/j.lfs.2023.122310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/23/2023] [Accepted: 11/24/2023] [Indexed: 11/29/2023]
Abstract
AIMS Qipian® is a commercialized agent composed of extracts of three genera of commensal bacteria, and its mechanism of action on asthma is unclear. This study aimed to examine the impact of Qipian® on airway inflammation and investigate the underlying mechanisms. MATERIALS AND METHODS Qipian® or dexamethasone (DEX) was administered before OVA challenge in an ovalbumin-induced asthma mouse model, and then asthmatic symptoms were observed and scored. Samples of lung tissues, blood, and bronchoalveolar lavage fluid (BALF) were collected, and eosinophils (Eos), immunoglobins (Igs), and type 1 T helper (Th1)/Th2 cell cytokines were measured. Mucus production in the lung was assessed by periodic acid-Schiff (PAS) staining. The effects of Qipian® on dendritic and T regulatory (Treg) cells were investigated using flow cytometry. KEY FINDINGS The short-term administration of Qipian® significantly inhibited the cardinal features of allergic asthma, including an elevated asthmatic behaviour score, airway inflammation and immune response. Histological analysis of the lungs showed that Qipian® attenuated airway inflammatory cell infiltration and mucus hyperproduction. Qipian® restored Th1/Th2 imbalance by decreasing interleukin (IL)-4, IL-5, and IL-13 while increasing interferon (IFN)-γ and IL-10. Further investigation revealed that Qipian® treatment induced the upregulation of CD4+CD25+Foxp3+ Treg cells and CD103+ DCs and downregulation of tachykinins neurokinin A (NKA) and NKB in the lung. SIGNIFICANCE Our findings suggested that short-term treatment with Qipian® could alleviate inflammation in allergic asthma through restoring the Th1/Th2 balance by recruiting Treg cells to airways and inducing the proliferation of CD103+ DCs, which actually provides a new treatment option for asthma.
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Affiliation(s)
- Huiying Wang
- Department of Allergy and Clinical Immunology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang Province 310009, China.
| | - Fan Tao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, Zhejiang Province 315211, China; Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Meishan Campus, Ningbo University, Ningbo, Zhejiang Province 315832, China.
| | - Chang-Yun Li
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, Zhejiang Province 315211, China; Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Meishan Campus, Ningbo University, Ningbo, Zhejiang Province 315832, China.
| | - Guan-Jun Yang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, Zhejiang Province 315211, China; Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Meishan Campus, Ningbo University, Ningbo, Zhejiang Province 315832, China.
| | - Jiong Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Ningbo University, Ningbo, Zhejiang Province 315211, China; Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Meishan Campus, Ningbo University, Ningbo, Zhejiang Province 315832, China.
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Shahunja KM, Sly PD, Mamun A. Trajectories of psychosocial environmental factors and their associations with asthma symptom trajectories among children in Australia. Pediatr Pulmonol 2024; 59:151-162. [PMID: 37882548 DOI: 10.1002/ppul.26733] [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: 04/10/2023] [Revised: 10/10/2023] [Accepted: 10/13/2023] [Indexed: 10/27/2023]
Abstract
INTRODUCTION Several psychosocial factors, such as maternal mental health and parents' financial hardship, are associated with asthma symptoms among children. So, we aim to investigate the changing patterns of important psychosocial environmental factors and their associations with asthma symptom trajectories among children in Australia. METHODS We considered asthma symptoms as wheezing (outcome) and psychosocial environmental factors (exposures) from 0/1 year to 14/15 years of the participants from the "Longitudinal Study of Australian Children (LSAC)" for this study. We used group-based trajectory modeling to identify the trajectory groups for both exposure and outcome variables. Associations between psychosocial factors and three distinct asthma symptom trajectories were assessed by multivariable logistic regression. RESULTS We included 3917 children from the LSAC birth cohort in our study. We identified distinct trajectories for maternal depression, parents' financial hardship, parents' stressful life events and parents' availability to their children from birth to 14/15 years of age. Compared to the "low/no" asthma symptom trajectory group, children exposed to a "moderate & increasing" maternal depression, "moderate & declining" parents' financial hardship, and "moderate & increasing" parents' stressful life events were significantly associated (relative risk ratio [RRR]: 1.55, 95% confidence interval [CI]: 1.27, 1.91; RRR: 1.40, 95%; CI: 1.15, 1.70; RRR: 1.77, 95%; CI: 1.45, 2.16) with "persistent high" asthma symptom trajectory. CONCLUSION Several psychosocial factors that are potential stressors for mental health increase the risk of having an adverse asthma symptom trajectory during childhood. Further attention should be given to reducing exposure to maternal depression, parents' financial hardship, and parents' stressful live events for long-term asthma control in children.
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Affiliation(s)
- K M Shahunja
- UQ Poche Centre for Indigenous Health, The University of Queensland, Brisbane, Queensland, Australia
- ARC Centre of Excellence for Children and Families over the Life Course, The University of Queensland, Brisbane, Queensland, Australia
- Queensland Alliance for Environmental Health Sciences (QAEHS), The University of Queensland, Brisbane, Queensland, Australia
| | - Peter D Sly
- Child Health Research Centre, The University of Queensland, Brisbane, Queensland, Australia
| | - Abdullah Mamun
- UQ Poche Centre for Indigenous Health, The University of Queensland, Brisbane, Queensland, Australia
- ARC Centre of Excellence for Children and Families over the Life Course, The University of Queensland, Brisbane, Queensland, Australia
- Queensland Alliance for Environmental Health Sciences (QAEHS), The University of Queensland, Brisbane, Queensland, Australia
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Yoshie S, Murono S, Hazama A. Approach for Elucidating the Molecular Mechanism of Epithelial to Mesenchymal Transition in Fibrosis of Asthmatic Airway Remodeling Focusing on Cl - Channels. Int J Mol Sci 2023; 25:289. [PMID: 38203460 PMCID: PMC10779031 DOI: 10.3390/ijms25010289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/15/2023] [Accepted: 12/16/2023] [Indexed: 01/12/2024] Open
Abstract
Airway remodeling caused by asthma is characterized by structural changes of subepithelial fibrosis, goblet cell metaplasia, submucosal gland hyperplasia, smooth muscle cell hyperplasia, and angiogenesis, leading to symptoms such as dyspnea, which cause marked quality of life deterioration. In particular, fibrosis exacerbated by asthma progression is reportedly mediated by epithelial-mesenchymal transition (EMT). It is well known that the molecular mechanism of EMT in fibrosis of asthmatic airway remodeling is closely associated with several signaling pathways, including the TGF-β1/Smad, TGF-β1/non-Smad, and Wnt/β-catenin signaling pathways. However, the molecular mechanism of EMT in fibrosis of asthmatic airway remodeling has not yet been fully clarified. Given that Cl- transport through Cl- channels causes passive water flow and consequent changes in cell volume, these channels may be considered to play a key role in EMT, which is characterized by significant morphological changes. In the present article, we highlight how EMT, which causes fibrosis and carcinogenesis in various tissues, is strongly associated with activation or inactivation of Cl- channels and discuss whether Cl- channels can lead to elucidation of the molecular mechanism of EMT in fibrosis of asthmatic airway remodeling.
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Affiliation(s)
- Susumu Yoshie
- Department of Cellular and Integrative Physiology, Graduate School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
| | - Shigeyuki Murono
- Department of Otolaryngology Head and Neck Surgery, Graduate School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
| | - Akihiro Hazama
- Department of Cellular and Integrative Physiology, Graduate School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
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Kim J, Ham J, Kang HR, Bae YS, Kim T, Kim HY. JAK3 inhibitor suppresses multipotent ILC2s and attenuates steroid-resistant asthma. SCIENCE ADVANCES 2023; 9:eadi3770. [PMID: 38117887 PMCID: PMC10732531 DOI: 10.1126/sciadv.adi3770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 11/17/2023] [Indexed: 12/22/2023]
Abstract
Steroids are the standard treatment for allergic airway inflammation in asthma, but steroid-refractory asthma poses a challenge. Group 2 innate lymphoid cells (ILC2s), such as T helper 2 (TH2) cells, produce key asthma-related type 2 cytokines. Recent insights from mouse and human studies indicate a potential connection between ILC2s and steroid-resistant asthma. Here, we highlight that lung ILC2s, rather than TH2 cells, can develop steroid resistance, allowing them to persist and maintain their disease-driving activity even during steroid treatment. The emergence of multipotent IL-5+IL-13+IL-17A+ ILC2s is associated with steroid-resistant ILC2s. The Janus kinase 3 (JAK3)/signal transducer and activator of transcription (STAT) 3, 5, and 6 pathways contribute to the acquisition of steroid-resistant ILC2s. The JAK3 inhibitor reduces ILC2 survival, proliferation, and cytokine production in vitro and ameliorates ILC2-driven Alternaria-induced asthma. Furthermore, combining a JAK3 inhibitor with steroids results in the inhibition of steroid-resistant asthma. These findings suggest a potential therapeutic approach for addressing this challenging condition in chronic asthma.
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Affiliation(s)
- Jihyun Kim
- Laboratory of Mucosal Immunology, Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea
- Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul, South Korea
| | - Jongho Ham
- Laboratory of Mucosal Immunology, Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea
- Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul, South Korea
- Department of Biological Sciences, SRC Center for Immune Research on Non-lymphoid Organs, Sungkyunkwan University, Suwon, South Korea
| | - Hye Ryun Kang
- Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul, South Korea
- Department of Internal Medicine, Seoul National University Hospital, Seoul, South Korea
| | - Yong-Soo Bae
- Department of Biological Sciences, SRC Center for Immune Research on Non-lymphoid Organs, Sungkyunkwan University, Suwon, South Korea
- Department of Biological Sciences, Sungkyunkwan University, Suwon, South Korea
| | - TaeSoo Kim
- Department of Life Science, Multitasking Macrophage Research Center, Ewha Womans University, Seoul, South Korea
| | - Hye Young Kim
- Laboratory of Mucosal Immunology, Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, South Korea
- Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul, South Korea
- Department of Biological Sciences, SRC Center for Immune Research on Non-lymphoid Organs, Sungkyunkwan University, Suwon, South Korea
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48
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Lin Q, Yu T, Li X, Lin X, Fan Y, Xu L. Umbilical cord mesenchymal stem cells inhibited inflammation of bronchial epithelial cells by regulating Hedgehog pathway. Eur J Histochem 2023; 67:3908. [PMID: 38085254 PMCID: PMC10773195 DOI: 10.4081/ejh.2023.3908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 11/28/2023] [Indexed: 12/18/2023] Open
Abstract
This study aimed to explore the role and mechanism of umbilical cord mesenchymal stem cells (UCMSCs) in regulating inflammation of bronchial epithelial cells. Transforming growth factor beta-1 (TGF-β1) was used to induce inflammation in human bronchial epithelial cells. Cell proliferation was detected through CCK8 and cell apoptosis was detected by Annexin V and propidium iodide double staining. E-cadherin and α-smooth muscle actin (α-SMA) were detected by immunofluorescence, and tumor necrosis factor alpha (TNF-α) and interleukin 6 (IL-6) in culture medium supernatant were detected by ELISA. The expression of E-cadherin, α-SMA, Sonic hedgehog (Shh), Gli1 and Snail was detected by Western blot analysis. Compared with the control group, bronchial epithelial cells treated with TGF-β1 showed significantly decreased proliferation, increased apoptosis, increased secretion of TNF-α and IL-6, increased expression of α-SMA, Shh, Gli1 and Snail and decreased E-cadherin expression. However, co-culture with UCMSCs inhibited TGF-β1-induced changes in human bronchial epithelial cell proliferation, apoptosis, secretion of TNF-α and IL-6 and activation of the Hedgehog pathway. In conclusion, UCMSCs have protective effects on TGF-β1-induced inflammation in human bronchial epithelial cells by regulating the Hedgehog pathway.
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Affiliation(s)
- Qiong Lin
- Department of Respiratory Medicine, Fuzhou No.1 Hospital Affiliated with Fujian Medical University, Fuzhou, Fujian.
| | - Tianxing Yu
- Department of Respiratory Medicine, Fuzhou No.1 Hospital Affiliated with Fujian Medical University, Fuzhou, Fujian.
| | - Xiaohua Li
- Department of Respiratory Medicine, Fuzhou No.1 Hospital Affiliated with Fujian Medical University, Fuzhou, Fujian.
| | - Xin Lin
- Department of Respiratory Medicine, Fuzhou No.1 Hospital Affiliated with Fujian Medical University, Fuzhou, Fujian.
| | - Yong Fan
- Cent Lab, Fuzhou No.1 Hospital Affiliated with Fujian Medical University, Fuzhou, Fujian.
| | - Liyu Xu
- Department of Respiratory Medicine, Fuzhou No.1 Hospital Affiliated with Fujian Medical University, Fuzhou, Fujian.
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49
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Parekh AB. House dust mite allergens, store-operated Ca 2+ channels and asthma. J Physiol 2023. [PMID: 38054814 DOI: 10.1113/jp284931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 10/26/2023] [Indexed: 12/07/2023] Open
Abstract
The house dust mite is the principal source of aero-allergen worldwide. Exposure to mite-derived allergens is associated with the development of asthma in susceptible individuals, and the majority of asthmatics are allergic to the mite. Mite-derived allergens are functionally diverse and activate multiple cell types within the lung that result in chronic inflammation. Allergens activate store-operated Ca2+ release-activated Ca2+ (CRAC) channels, which are widely expressed in multiple cell types within the lung that are associated with the pathogenesis of asthma. Opening of CRAC channels stimulates Ca2+ -dependent transcription factors, including nuclear factor of activated T cells and nuclear factor-κB, which drive expression of a plethora of pro-inflammatory cytokines and chemokines that help to sustain chronic inflammation. Here, I describe drivers of asthma, properties of mite-derived allergens, how the allergens are recognized by cells, the signalling pathways used by the receptors and how these are transduced into functional effects, with a focus on CRAC channels. In vivo experiments that demonstrate the effectiveness of targeting CRAC channels as a potential new therapy for treating mite-induced asthma are also discussed, in tandem with other possible approaches.
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Affiliation(s)
- Anant B Parekh
- Laboratory of Signal Transduction, National Institute of Environmental Health Sciences, US National Institutes of Health, Department of Health and Human Services, Research Triangle Park, Durham, NC, USA
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50
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Zhang Y, Liu J, Zhi Y, You X, Wei B. Association of GAB1 gene with asthma susceptibility and the efficacy of inhaled corticosteroids in children. BMC Pulm Med 2023; 23:493. [PMID: 38057792 DOI: 10.1186/s12890-023-02790-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 11/27/2023] [Indexed: 12/08/2023] Open
Abstract
Asthma is a polygenic disease that may onset during childhood. Inhaled corticosteroids (ICS) are the main therapy in asthma, although their efficacy varies among individuals. Nuclear factor κB (NF-κB) is an important target of ICS treatment of asthma. Recent research has reported that GRB2 associated binding protein 1 (GAB1) gene may participate in the pathogenesis of asthma by regulating the NF-κB pathway. Therefore, we used the technique of an improved multiplex ligation detection reaction to sequence GAB1 gene and investigated the involvement of Single-nucleotide variants (SNVs) in GAB1 gene in asthma and ICS efficacy in asthmatic children. We found no differences between asthma cases and controls in allele or genotype frequencies of GAB1. Haplotype analysis showed an increased tendency for AGGAGC frequency in asthma patients compared with controls (OR = 2.69, p = 0.018). The percentage of EOS and genotype distribution of rs1397527 were associated (p = 0.007). The EOS percentage was higher in GT genotype when compared to the GG genotype (5.50 vs 3.00, Bonferroni adjusted p = 0.005). After 12-weeks ICS treatment, GAB1 rs1397527 TT and GT genotype carriers had a smaller change in forced expiratory volume in 1 second/forced vital capacity (FEV1/FVC) than GG carriers (p = 0.009), and rs3805236 GG and AG genotype carriers also had a smaller change in FEV1/FVC than AA carriers (p = 0.025). For ICS response, the frequency of GG genotype of rs1397527 was significantly higher in good responders (p = 0.038). The generalized multifactor dimensionality reduction (GMDR) analysis showed a best significant four-order model (rs1397527, allergen exposure, environmental tobacco smoke exposure, and pet exposure) involving gene-environment interactions (p = 0.001). In summary, we found that GAB1 SNVs were not associated with asthma susceptibility. Haplotype AGGAGC was a risk factor for asthma. GAB1 variants were associated with eosinophils and ICS response in asthmatics. Furthermore, gene-environment interaction was observed.
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Affiliation(s)
- Yuxuan Zhang
- Department of neonatology, General Hospital of Northern Theater Command, Shenyang, 110016, Liaoning, People's Republic of China
- Post-graduate College, Jinzhou Medical University, Jinzhou, 121000, Liaoning, People's Republic of China
| | - Jun Liu
- Department of neonatology, General Hospital of Northern Theater Command, Shenyang, 110016, Liaoning, People's Republic of China
| | - Yanjie Zhi
- Department of neonatology, General Hospital of Northern Theater Command, Shenyang, 110016, Liaoning, People's Republic of China
| | - Xuan You
- Department of neonatology, General Hospital of Northern Theater Command, Shenyang, 110016, Liaoning, People's Republic of China
| | - Bing Wei
- Department of neonatology, General Hospital of Northern Theater Command, Shenyang, 110016, Liaoning, People's Republic of China.
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