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Panganiban RA, Nadeau KC, Lu Q. Pyroptosis, gasdermins and allergic diseases. Allergy 2024; 79:2380-2395. [PMID: 39003568 PMCID: PMC11368650 DOI: 10.1111/all.16236] [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: 03/05/2024] [Revised: 07/01/2024] [Accepted: 07/04/2024] [Indexed: 07/15/2024]
Abstract
Pyroptosis is an inflammatory form of programmed cell death that is distinct from necrosis and apoptosis. Pyroptosis is primarily mediated by the gasdermin family of proteins (GSDMA-E and PVJK), which, when activated by proteolytic cleavage, form pores in the plasma membrane, leading to cell death. While much of the past research on pyroptosis has focused on its role in cancer, metabolic disorders, and infectious diseases, recent experimental and observational studies have begun to implicate pyroptosis in allergic diseases. These studies suggest that gasdermin-mediated pyroptosis contributes to the development of allergic conditions and could offer novel targets for therapy. Here, we review our current understanding of pyroptosis with an emphasis on the role of gasdermins as executioners of pyroptosis and potential mediators to allergic disease. We highlight new discoveries that establish a mechanistic link between the biochemical actions of gasdermins and the onset of allergic diseases. Additionally, we discuss how pyroptosis and gasdermins might contribute to the dysfunction of epithelial barrier, a key factor believed to initiate the progression of various allergic diseases.
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Affiliation(s)
- Ronald Allan Panganiban
- Division of Asthma Research, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Kari C Nadeau
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
- Division of Allergy and Inflammation, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
| | - Quan Lu
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
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2
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Lai M, Sun S, Zuo T, Li L, Zhao Q, Li W, Zheng J, Hong M. Sanfeng Tongqiao Dripping Pills alleviate House Dust Mite-induced allergic rhinitis in mice by inhibiting Th2 differentiation and repairing the nasal epithelial barrier. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 132:155899. [PMID: 39067192 DOI: 10.1016/j.phymed.2024.155899] [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: 03/19/2024] [Revised: 06/04/2024] [Accepted: 07/17/2024] [Indexed: 07/30/2024]
Abstract
BACKGROUND Sanfeng Tongqiao Dripping Pills (SFTQ) has clinically demonstrated a promising therapeutic effect on allergic rhinitis (AR). However, the active ingredients and underlying mechanisms of SFTQ remain unclear. PURPOSE Exploring the effects, mechanisms, and active ingredients of SFTQ in the treatment of AR is valuable. STUDY DESIGN The mechanisms of SFTQ and its active ingredients in treating AR were investigated through in vivo and in vitro studies. METHODS A HDM-induced AR model was established in BALB/c mice. The effects of SFTQ in treating AR were evaluated by AR-like symptoms, EOS count, and pathological changes in the nasal tissue in vivo. The effects of SFTQ active components on epithelial cells (ECs) were evaluated in Poly(I:C) and TNF-α co-stimulated human nasal ECs (RPMI-2650). Additionally, the effects of SFTQ active components on splenocytes proliferation and Th cell differentiation were assessed. A co-culture system of ECs and T lymphocytes was established to investigate the impact of Th2 cells on the structure and function of ECs. The effects of SFTQ ingredients on ECs, T lymphocytes, and the HDM-induced AR model were further confirmed through in vivo and in vivo studies, respectively. RESULTS SFTQ significantly alleviated AR-like symptoms and pathological changes in the nasal tissue of AR mice. The treatment elevated the expression of Occludin and E-cadherin in the nasal epithelium and reduced the percentage of Th2 cells in cervical lymph nodes (CLN). Among the active compounds of SFTQ, L-Menthone and Pulegone notably downregulated IL-33 levels in activated ECs, while Hesperetin significantly decreased TSLP and IL-33 levels. In the co-culture system of ECs and Th2 cells, exposure to Baicalin, Wogonin, and Pulegone increased the TEER value of ECs, while notably inhibiting the production of TSLP and IL-33. Furthermore, in HDM-induced AR mice, treatments with Baicalin, Luteolin, and Hesperetin effectively inhibited AR-like symptoms. Additionally, Luteolin and Hesperetin significantly reduced the inflammatory cells infiltration and the population of Th2 cells in AR mice. CONCLUSION SFTQ and its active ingredients effectively alleviated HDM-induced AR in mice by inhibiting Th2 cell differentiation and repairing the nasal epithelial barrier. Our study can provide a scientific basis for SFTQ to be used in clinical treatment of AR.
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Affiliation(s)
- Minyi Lai
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Shuxian Sun
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Tongwen Zuo
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Lin Li
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Qian Zhao
- Yangtze River Pharmaceutical Group, Taizhou, 225321, China
| | - Wei Li
- Yangtze River Pharmaceutical Group, Taizhou, 225321, China
| | - Jie Zheng
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China; Department of Pharmacology, School of Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Min Hong
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
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3
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Cabanillas B. Special Issue "Molecular and Cellular Advances in Atopic Diseases". Int J Mol Sci 2024; 25:4856. [PMID: 38732073 PMCID: PMC11084155 DOI: 10.3390/ijms25094856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Accepted: 04/28/2024] [Indexed: 05/13/2024] Open
Abstract
Atopic diseases, which currently affect around one billion people worldwide, are experiencing a rising prevalence [...].
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Affiliation(s)
- Beatriz Cabanillas
- Department of Allergy, Instituto de Investigacion Biosanitaria Hospital 12 de Octubre (imas12), Avenida de Cordoba s/n, 28041 Madrid, Spain
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Kim KA, Jung JH, Choi YS, Kim ST. Ginsenoside Re protects rhinovirus-induced disruption of tight junction through inhibition of ROS-mediated phosphatases inactivation in human nasal epithelial cells. Heliyon 2024; 10:e27688. [PMID: 38495147 PMCID: PMC10940941 DOI: 10.1016/j.heliyon.2024.e27688] [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: 04/24/2023] [Revised: 03/04/2024] [Accepted: 03/05/2024] [Indexed: 03/19/2024] Open
Abstract
Maintaining tight junction integrity significantly contributes to epithelial barrier function. If the barrier function is destroyed, the permeability of the cells increases, and the movement of the pathogens is promoted, thereby further increasing the susceptibility to secondary infection. Ginsenoside components have multiple biological activities, including antiviral effects. In this study, we examined the protective effects of ginsenoside Re against rhinovirus-induced tight junction disruption in primary human nasal epithelial cells (HNE). Incubation with human rhinovirus resulted in marked disruption of tight junction proteins (ZO-1, E-cadherin, claudin-1, and occludin) in human nasal epithelial cells. Rhinovirus-induced disruption of tight junction proteins was strongly inhibited by the treatment of cells with ginsenoside Re. Indeed, significant amounts of reactive oxygen species (ROS) have been detected in human nasal epithelial cells co-incubated with rhinovirus. Moreover, rhinovirus-induced ROS generation was markedly reduced by the ginsenoside Re. However, ginsenosides Rb1 and Rc did not inhibit tight junction disruption or ROS generation in nasal epithelial cells following incubation with rhinovirus. Furthermore, incubation with rhinovirus resulted in a marked decrease in protein phosphatase activity and an increase in protein tyrosine phosphorylation levels in nasal epithelial cells. Treatment of cells with ginsenoside Re inhibited rhinovirus-induced inactivation of phosphatases and phosphorylation of tyrosine. Our results identified ginsenoside Re as an effective compound that prevented rhinovirus-induced tight junction disruption in human nasal epithelial cells.
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Affiliation(s)
- Kyeong Ah Kim
- Department of Otolaryngology-Head & Neck Surgery, Gachon University Gil Medical Center, Incheon, South Korea
| | - Joo Hyun Jung
- Department of Otolaryngology-Head & Neck Surgery, Gachon University Gil Medical Center, Incheon, South Korea
| | - Yun Sook Choi
- Department of Otolaryngology-Head & Neck Surgery, Gachon University Gil Medical Center, Incheon, South Korea
| | - Seon Tae Kim
- Department of Otolaryngology-Head & Neck Surgery, Gachon University Gil Medical Center, Incheon, South Korea
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5
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Mussalo L, Avesani S, Shahbaz MA, Závodná T, Saveleva L, Järvinen A, Lampinen R, Belaya I, Krejčík Z, Ivanova M, Hakkarainen H, Kalapudas J, Penttilä E, Löppönen H, Koivisto AM, Malm T, Topinka J, Giugno R, Aakko-Saksa P, Chew S, Rönkkö T, Jalava P, Kanninen KM. Emissions from modern engines induce distinct effects in human olfactory mucosa cells, depending on fuel and aftertreatment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:167038. [PMID: 37709087 DOI: 10.1016/j.scitotenv.2023.167038] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 08/30/2023] [Accepted: 09/11/2023] [Indexed: 09/16/2023]
Abstract
Ultrafine particles (UFP) with a diameter of ≤0.1 μm, are contributors to ambient air pollution and derived mainly from traffic emissions, yet their health effects remain poorly characterized. The olfactory mucosa (OM) is located at the rooftop of the nasal cavity and directly exposed to both the environment and the brain. Mounting evidence suggests that pollutant particles affect the brain through the olfactory tract, however, the exact cellular mechanisms of how the OM responds to air pollutants remain poorly known. Here we show that the responses of primary human OM cells are altered upon exposure to UFPs and that different fuels and engines elicit different adverse effects. We used UFPs collected from exhausts of a heavy-duty-engine run with renewable diesel (A0) and fossil diesel (A20), and from a modern diesel vehicle run with renewable diesel (Euro6) and compared their health effects on the OM cells by assessing cellular processes on the functional and transcriptomic levels. Quantification revealed all samples as UFPs with the majority of particles being ≤0.1 μm by an aerodynamic diameter. Exposure to A0 and A20 induced substantial alterations in processes associated with inflammatory response, xenobiotic metabolism, olfactory signaling, and epithelial integrity. Euro6 caused only negligible changes, demonstrating the efficacy of aftertreatment devices. Furthermore, when compared to A20, A0 elicited less pronounced effects on OM cells, suggesting renewable diesel induces less adverse effects in OM cells. Prior studies and these results suggest that PAHs may disturb the inflammatory process and xenobiotic metabolism in the OM and that UFPs might mediate harmful effects on the brain through the olfactory route. This study provides important information on the adverse effects of UFPs in a human-based in vitro model, therefore providing new insight to form the basis for mitigation and preventive actions against the possible toxicological impairments caused by UFP exposure.
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Affiliation(s)
- Laura Mussalo
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70210 Kuopio, Finland
| | - Simone Avesani
- Department of Computer Science, University of Verona, 37134 Verona, Italy
| | - Muhammad Ali Shahbaz
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70210 Kuopio, Finland
| | - Táňa Závodná
- Department of Genetic Toxicology and Epigenetics, Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague, Czech Republic
| | - Liudmila Saveleva
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70210 Kuopio, Finland
| | - Anssi Järvinen
- VTT Technical Research Centre of Finland, VTT, 02044 Espoo, Finland
| | - Riikka Lampinen
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70210 Kuopio, Finland
| | - Irina Belaya
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70210 Kuopio, Finland
| | - Zdeněk Krejčík
- Department of Genetic Toxicology and Epigenetics, Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague, Czech Republic
| | - Mariia Ivanova
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70210 Kuopio, Finland
| | - Henri Hakkarainen
- Inhalation Toxicology Laboratory, Department of Environmental and Biological Sciences, University of Eastern Finland, 70211 Kuopio, Finland
| | - Juho Kalapudas
- Department of Neurology, Neuro Centre, Kuopio University Hospital, 70210 Kuopio, Finland
| | - Elina Penttilä
- Department of Otorhinolaryngology, University of Eastern Finland and Kuopio University Hospital, 70210 Kuopio, Finland
| | - Heikki Löppönen
- Department of Otorhinolaryngology, University of Eastern Finland and Kuopio University Hospital, 70210 Kuopio, Finland
| | - Anne M Koivisto
- Department of Neurology, Neuro Centre, Kuopio University Hospital, 70210 Kuopio, Finland; Brain Research Unit, Department of Neurology, School of Medicine, University of Eastern Finland, 70210 Kuopio, Finland; Department of Neurology and Geriatrics, Helsinki University Hospital and Neurosciences, Faculty of Medicine, University of Helsinki, 00014 Helsinki, Finland
| | - Tarja Malm
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70210 Kuopio, Finland
| | - Jan Topinka
- Department of Genetic Toxicology and Epigenetics, Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague, Czech Republic
| | - Rosalba Giugno
- Department of Computer Science, University of Verona, 37134 Verona, Italy
| | | | - Sweelin Chew
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70210 Kuopio, Finland
| | - Topi Rönkkö
- Aerosol Physics Laboratory, Physics Unit, Tampere University, 33014 Tampere, Finland
| | - Pasi Jalava
- Inhalation Toxicology Laboratory, Department of Environmental and Biological Sciences, University of Eastern Finland, 70211 Kuopio, Finland
| | - Katja M Kanninen
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70210 Kuopio, Finland.
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Kim J, Kwak S, Lee J, Park IH, Lee SH, Shin JM, Kim TH. Eosinophilic Chronic Rhinosinusitis and Pathogenic Role of Protease. Int J Mol Sci 2023; 24:17372. [PMID: 38139201 PMCID: PMC10744023 DOI: 10.3390/ijms242417372] [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: 10/21/2023] [Revised: 12/01/2023] [Accepted: 12/10/2023] [Indexed: 12/24/2023] Open
Abstract
Chronic rhinosinusitis (CRS) is an inflammation of the nasal and paranasal sinus mucosa, and eosinophilic CRS (eCRS) is a subtype characterized by significant eosinophil infiltration and immune response by T-helper-2 cells. The pathogenesis of eCRS is heterogeneous and involves various environmental and host factors. Proteases from external sources, such as mites, fungi, and bacteria, have been implicated in inducing type 2 inflammatory reactions. The balance between these proteases and endogenous protease inhibitors (EPIs) is considered important, and their imbalance can potentially lead to type 2 inflammatory reactions, such as eCRS. In this review, we discuss various mechanisms by which exogenous proteases influence eCRS and highlight the emerging role of endogenous protease inhibitors in eCRS pathogenesis.
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Affiliation(s)
- Jaehyeong Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Korea University, Seoul 02841, Republic of Korea; (J.K.); (S.K.); (J.L.); (I.-H.P.); (S.H.L.); (J.M.S.)
- Mucosal Immunology Institute, College of Medicine, Korea University, Seoul 02841, Republic of Korea
| | - Sooun Kwak
- Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Korea University, Seoul 02841, Republic of Korea; (J.K.); (S.K.); (J.L.); (I.-H.P.); (S.H.L.); (J.M.S.)
| | - Juhyun Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Korea University, Seoul 02841, Republic of Korea; (J.K.); (S.K.); (J.L.); (I.-H.P.); (S.H.L.); (J.M.S.)
| | - Il-Ho Park
- Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Korea University, Seoul 02841, Republic of Korea; (J.K.); (S.K.); (J.L.); (I.-H.P.); (S.H.L.); (J.M.S.)
| | - Seung Hoon Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Korea University, Seoul 02841, Republic of Korea; (J.K.); (S.K.); (J.L.); (I.-H.P.); (S.H.L.); (J.M.S.)
| | - Jae Min Shin
- Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Korea University, Seoul 02841, Republic of Korea; (J.K.); (S.K.); (J.L.); (I.-H.P.); (S.H.L.); (J.M.S.)
- Mucosal Immunology Institute, College of Medicine, Korea University, Seoul 02841, Republic of Korea
| | - Tae Hoon Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Korea University, Seoul 02841, Republic of Korea; (J.K.); (S.K.); (J.L.); (I.-H.P.); (S.H.L.); (J.M.S.)
- Mucosal Immunology Institute, College of Medicine, Korea University, Seoul 02841, Republic of Korea
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Zhan J, Yang J, Zheng J, Qi Y, Ye Y, Chen X, Wei X. CircMIRLET7BHG, upregulated in an m6A-dependent manner, induces the nasal epithelial barrier dysfunction in allergic rhinitis pathogenesis. Int Immunopharmacol 2023; 125:111162. [PMID: 37976602 DOI: 10.1016/j.intimp.2023.111162] [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: 04/27/2023] [Revised: 10/26/2023] [Accepted: 10/31/2023] [Indexed: 11/19/2023]
Abstract
OBJECTIVE Allergic rhinitis (AR) remains a frequent aspiratory allergic inflammatory disorder with a high incidence. Circular RNAs (circRNAs) have been revealed to participate in the pathogenesis of AR. This study investigated the biological function of circMIRLET7BHG (hsa_circ_0008668) in AR progression. METHODS Ovalbumin (OVA)-exposed human nasal epithelial cell line (HNEpC) and mice were adopted as the in vitro and in vivo models of AR. Immunofluorescence staining was used to determine epithelial tight junction protein expression. Target molecule levels were assessed by RT-qPCR and Western blotting. Localization of circMIRLET7BHG and IGF2BP1 was observed by RNA-FISH and immunofluorescence. Epithelial barrier damage was determined by transepithelial electrical resistance and fluorescein isothiocyanate-dextran (FD4) permeability. Serum concentrations of IgE, sIgE, IFN-γ, IL-4, and IL-5 were detected by ELISA. Apoptosis, pathological changes, and eosinophil infiltration in nasal mucosa tissues were evaluated by TUNEL, H&E, and Sirius red staining, respectively. Molecular mechanism was analyzed by RNA pull-down, RIP, and MeRIP assays. RESULTS An increased expression of circMIRLET7BHG was found in AR patients and experimental models. Down-regulation of circMIRLET7BHG attenuated OVA-induced allergic symptoms via relieving epithelial thicknesses, eosinophil infiltration, apoptosis, and inflammatory response in mice. Subsequently, circMIRLET7BHG deficiency prevented OVA-induced epithelial barrier dysfunction by reducing epithelial permeability, and inhibiting tight junction proteins. Mechanistically, methyltransferase-like 3 (METTL3) enhanced circMIRLET7BHG expression via m6A methylation, which enhanced ADAM10 mRNA stability via interaction with IGF2BP1. CONCLUSION METTL3-mediated m6A modification increased circMIRLET7BHG expression that consequently raised ADAM10 mRNA stability via interplay with IGF2BP1, thereby promoting AR by inducing epithelial barrier dysfunction.
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Affiliation(s)
- Jiabin Zhan
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), No.19, Xiuhua Road, Haikou City, Hainan Province 570311, P.R. China
| | - Jie Yang
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), No.19, Xiuhua Road, Haikou City, Hainan Province 570311, P.R. China
| | - Jing Zheng
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), No.19, Xiuhua Road, Haikou City, Hainan Province 570311, P.R. China
| | - Yanyan Qi
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), No.19, Xiuhua Road, Haikou City, Hainan Province 570311, P.R. China
| | - Yi Ye
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), No.19, Xiuhua Road, Haikou City, Hainan Province 570311, P.R. China
| | - Xiaoqian Chen
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), No.19, Xiuhua Road, Haikou City, Hainan Province 570311, P.R. China
| | - Xin Wei
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), No.19, Xiuhua Road, Haikou City, Hainan Province 570311, P.R. China.
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Altman MC, Segnitz RM, Larson D, Jayavelu ND, Smith MT, Patel S, Scadding GW, Qin T, Sanda S, Steveling E, Eifan AO, Penagos M, Jacobson MR, Parkin RV, Shamji MH, Togias A, Durham SR. Nasal and blood transcriptomic pathways underpinning the clinical response to grass pollen immunotherapy. J Allergy Clin Immunol 2023; 152:1247-1260. [PMID: 37460024 PMCID: PMC10788383 DOI: 10.1016/j.jaci.2023.06.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 05/19/2023] [Accepted: 06/01/2023] [Indexed: 08/18/2023]
Abstract
BACKGROUND Allergen immunotherapy (AIT) is a well-established disease-modifying therapy for allergic rhinitis, yet the fundamental mechanisms underlying its clinical effect remain inadequately understood. Gauging Response in Allergic Rhinitis to Sublingual and Subcutaneous Immunotherapy was a randomized, double-blind, placebo-controlled trial of individuals allergic to timothy grass who received 2 years of placebo (n = 30), subcutaneous immunotherapy (SCIT) (n = 27), or sublingual immunotherapy (SLIT) (n = 27) and were then followed for 1 additional year. OBJECTIVE We used yearly biospecimens from the Gauging Response in Allergic Rhinitis to Sublingual and Subcutaneous Immunotherapy study to identify molecular mechanisms of response. METHODS We used longitudinal transcriptomic profiling of nasal brush and PBMC samples after allergen provocation to uncover airway and systemic expression pathways mediating responsiveness to AIT. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT01335139, EudraCT Number: 2010-023536-16. RESULTS SCIT and SLIT demonstrated similar changes in gene module expression over time. In nasal samples, alterations included downregulation of pathways of mucus hypersecretion, leukocyte migration/activation, and endoplasmic reticulum stress (log2 fold changes -0.133 to -0.640, false discovery rates [FDRs] <0.05). We observed upregulation of modules related to epithelial development, junction formation, and lipid metabolism (log2 fold changes 0.104 to 0.393, FDRs <0.05). In PBMCs, modules related to cellular stress response and type 2 cytokine signaling were reduced by immunotherapy (log2 fold changes -0.611 to -0.828, FDRs <0.05). Expression of these modules was also significantly associated with both Total Nasal Symptom Score and peak nasal inspiratory flow, indicating important links between treatment, module expression, and allergen response. CONCLUSIONS Our results identify specific molecular responses of the nasal airway impacting barrier function, leukocyte migration activation, and mucus secretion that are affected by both SCIT and SLIT, offering potential targets to guide novel strategies for AIT.
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Affiliation(s)
- Matthew C Altman
- Systems Immunology Division, Benaroya Research Institute, Seattle; Division of Allergy and Infectious Disease, Department of Medicine, University of Washington, Seattle.
| | - R Max Segnitz
- Division of Allergy and Infectious Disease, Department of Medicine, University of Washington, Seattle
| | | | | | - Malisa T Smith
- Division of Allergy and Infectious Disease, Department of Medicine, University of Washington, Seattle
| | - Sana Patel
- Division of Allergy and Infectious Disease, Department of Medicine, University of Washington, Seattle
| | - Guy W Scadding
- Immunomodulation and Tolerance Group, Allergy and Clinical Immunology, Department of National Heart and Lung Institute, London
| | | | - Srinath Sanda
- Madison Clinic for Pediatric Diabetes, University of California San Francisco, San Francisco
| | - Esther Steveling
- Immunomodulation and Tolerance Group, Allergy and Clinical Immunology, Department of National Heart and Lung Institute, London
| | - Aarif O Eifan
- Immunomodulation and Tolerance Group, Allergy and Clinical Immunology, Department of National Heart and Lung Institute, London
| | - Martin Penagos
- Immunomodulation and Tolerance Group, Allergy and Clinical Immunology, Department of National Heart and Lung Institute, London
| | - Mikila R Jacobson
- Immunomodulation and Tolerance Group, Allergy and Clinical Immunology, Department of National Heart and Lung Institute, London
| | - Rebecca V Parkin
- Immunomodulation and Tolerance Group, Allergy and Clinical Immunology, Department of National Heart and Lung Institute, London
| | - Mohamed H Shamji
- Immunomodulation and Tolerance Group, Allergy and Clinical Immunology, Department of National Heart and Lung Institute, London
| | - Alkis Togias
- The National Institute of Allergy and Infectious Disease, Bethesda
| | - Stephen R Durham
- Immunomodulation and Tolerance Group, Allergy and Clinical Immunology, Department of National Heart and Lung Institute, London
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Pat Y, Ogulur I, Yazici D, Mitamura Y, Cevhertas L, Küçükkase OC, Mesisser SS, Akdis M, Nadeau K, Akdis CA. Effect of altered human exposome on the skin and mucosal epithelial barrier integrity. Tissue Barriers 2023; 11:2133877. [PMID: 36262078 PMCID: PMC10606824 DOI: 10.1080/21688370.2022.2133877] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/23/2022] [Accepted: 08/27/2022] [Indexed: 10/24/2022] Open
Abstract
Pollution in the world and exposure of humans and nature to toxic substances is continuously worsening at a rapid pace. In the last 60 years, human and domestic animal health has been challenged by continuous exposure to toxic substances and pollutants because of uncontrolled growth, modernization, and industrialization. More than 350,000 new chemicals have been introduced to our lives, mostly without any reasonable control of their health effects and toxicity. A plethora of studies show exposure to these harmful substances during this period with their implications on the skin and mucosal epithelial barrier and increasing prevalence of allergic and autoimmune diseases in the context of the "epithelial barrier hypothesis". Exposure to these substances causes an epithelial injury with peri-epithelial inflammation, microbial dysbiosis and bacterial translocation to sub-epithelial areas, and immune response to dysbiotic bacteria. Here, we provide scientific evidence on the altered human exposome and its impact on epithelial barriers.
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Affiliation(s)
- Yagiz Pat
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
- Department of Medical Microbiology, Faculty of Medicine, Aydin Menderes University, Turkey
| | - Ismail Ogulur
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Duygu Yazici
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Yasutaka Mitamura
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Lacin Cevhertas
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
- Department of Medical Immunology, Institute of Health Sciences, Bursa Uludag University, Turkey
| | - Ozan C Küçükkase
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Sanne S Mesisser
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Mübeccel Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Kari Nadeau
- Sean N. Parker Center for Allergy and Asthma Research, Stanford University and Division of Pulmonary, Allergy, and Critical Care Medicine, Stanford University, Stanford, CA, USA
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, Stanford University, Stanford, CA, USA
| | - Cezmi A Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
- Christine Kühne-Center for Allergy Research and Education, Davos, Switzerland
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Tang W, Sun L, Wang J, Li K, Liu S, Wang M, Cheng Y, Dai L. Exploring Associations Between Short-Term Air Pollution and Daily Outpatient Visits for Allergic Rhinitis. Risk Manag Healthc Policy 2023; 16:1455-1465. [PMID: 37575684 PMCID: PMC10417714 DOI: 10.2147/rmhp.s416365] [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: 05/04/2023] [Accepted: 07/25/2023] [Indexed: 08/15/2023] Open
Abstract
Purpose Many studies have reported that exposure to air pollution increases the likelihood of acquiring allergic rhinitis (AR). This study investigated associations between short-term air pollution exposure and AR outpatient visits. Patients and Methods The Department of Otorhinolaryngology, Affiliated Hospital of Hangzhou Normal University provided AR outpatient data from January 1, 2019 to December 31, 2021. Daily air quality information for that period was gathered from the Hangzhou Air Quality Inspection Station. We used the Poisson's generalized additive model (GAM) to investigate relationships between daily outpatient AR visits and air pollution, and investigated lag-exposure relationships across days. Subgroup analyses were performed by age (adult (>18 years) and non-adult (<18 years)) and sex (male and female). Results We recorded 20,653 instances of AR during the study period. Each 10 g/m3 increase in fine particulate matter (PM10 and PM2.5) and carbon monoxide (CO) concentrations was associated with significant increases in AR outpatient Visits. The relative risks (RR) were: 1.007 (95% confidence interval (CI): 1.001-1.013), 1.026 (95% CI: 1.008-1.413), and 1.019 (95% CI: 1.008-1.047). AR visits were more likely due to elevated PM2.5, PM10, and CO levels. Additionally, children were more affected than adults. Conclusion To better understand the possible effects of air pollution on AR, short-term exposure to ambient air pollution (PM2.5, PM10, and CO) may be linked to increased daily outpatient AR visits.
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Affiliation(s)
- Wei Tang
- Department of Otolaryngology, Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang, People’s Republic of China
- Department of Otolaryngology, Hangzhou Xixi Hospital, Hangzhou, Zhejiang, People's Republic of China
| | - Lixia Sun
- Mathematics Teaching and Research Office of the Ministry of Basic Education of Zhejiang University of Water Resources and Electric Power, Hangzhou, Zhejiang, People’s Republic of China
| | - Jie Wang
- Hangzhou Zhenqi Technology Co., Ltd, Hangzhou, Zhejiang, People’s Republic of China
| | - Kaijie Li
- Clinical Medicine Department of Hangzhou Normal University, Hangzhou, Zhejiang, People's Republic of China
| | - Shuhan Liu
- Clinical Medicine Department of Hangzhou Normal University, Hangzhou, Zhejiang, People's Republic of China
| | - Mingwei Wang
- Metabolic Disease Center, Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang, People’s Republic of China
| | - Yongran Cheng
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang, People’s Republic of China
| | - Lili Dai
- Department of Otolaryngology, Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang, People’s Republic of China
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Zheng J, Chen X, Zhan JB, Li CW, Wei X, Jiang HY. CircARF3 Mitigates Allergic Rhinitis through Targeting microRNA-205-5p/Sirtuin 5 Axis. Int Arch Allergy Immunol 2023; 184:1056-1070. [PMID: 37343537 DOI: 10.1159/000530351] [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: 10/08/2022] [Accepted: 01/13/2023] [Indexed: 06/23/2023] Open
Abstract
INTRODUCTION Circular RNAs (circRNAs) are essential in the progression of allergic rhinitis (AR). The purpose of this research was to examine the role of circRNA ADP-ribosylation factor 3 (circARF3) in the pathogenesis of AR. METHODS To generate an animal model of AR, mice were treated with house dust mite (HDM), and mice nasal epithelial cells (NEpCs) were treated with IL-4/IL-13 to imitate the inflammatory damage of AR in vitro. Sanger sequencing, qRT-PCR, and RNAse R digestion assays all validated the circularization structure of circARF3. The levels of circARF3, miR-205-5p, and sirtuin 5 (SIRT5) were determined by qRT-PCR or Western blotting. Luciferase reporter, RNA immunoprecipitation, and pull-down experiments were used to investigate the regulatory network. Flow cytometry was used to investigate the rate of cell apoptosis, and Western blotting was used to determine the levels of apoptotic-related proteins (cleaved caspase 3, cleaved polyadenosine-diphosphate-ribose polymerase) and HMGB1, TLR4, and MyD88. Enzyme-linked immunosorbent assay was used to assess the inflammatory response. Hematoxylin-eosin staining and TUNEL were used to detect the histology of injury and apoptosis of nasal mucosa tissues. RESULTS CircARF3 and SIRT5 levels were reduced in HDM-treated animals and IL-4/IL-13-treated NEpCs, while miR-205-5p expression was increased. CircARF3 was generated by back-splicing exons 3-5 with a stable circular shape. CircARF3 overexpression mitigated IL-4/IL-13-induced apoptosis in NEpCs by inhibiting miR-205-5p. SIRT5 upregulation attenuated IL-4/IL-13-induced inflammatory injury in NEpCs, and SIRT5 knockdown induced opposite effects. miR-205-5p silencing reversed the effects of SIRT5 knockdown on IL-4/IL-13-induced inflammatory injury. Furthermore, circARF3 overexpression alleviated histological abnormalities, apoptosis, inflammatory response, and HMGB1/TLR4 signaling activation in HDM-treated animals. CONCLUSION CircARF3 inhibited cell apoptosis and inflammation via the miR-205-5p/SIRT5 axis in IL-4/IL-13-treated NEpCs and HDM-treated mice.
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Affiliation(s)
- Jing Zheng
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, China
| | - Xi Chen
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, China
| | - Jia-Bin Zhan
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, China
| | - Chang-Wu Li
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, China
| | - Xin Wei
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, China
| | - Hong-Yan Jiang
- Department of Otorhinolaryngology Head and Neck Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, China
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Chung JY, Park N, Kim MH, Yang WM. Abies holophylla Leaf Essential Oil Alleviates Allergic Rhinitis Based on Network Pharmacology. Pharmaceutics 2023; 15:pharmaceutics15041195. [PMID: 37111680 PMCID: PMC10146622 DOI: 10.3390/pharmaceutics15041195] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/28/2023] [Accepted: 04/04/2023] [Indexed: 04/29/2023] Open
Abstract
Abies holophylla is an evergreen coniferous species that has been widely used for treating pulmonary diseases and colds. Previous research has demonstrated the anti-inflammatory effect of Abies species and the anti-asthmatic activities of Abies holophylla leaf essential oil (AEO). As asthma and allergic rhinitis (AR) share pathophysiology and pharmacotherapeutic interventions, AEO inhalation can also ameliorate upper respiratory allergic diseases. This study explored the protective effects of AEO on AR with network pharmacological pathway prediction. The potential target pathways of AEO were analyzed by a network pharmacological approach. The BALB/c mice were sensitized by ovalbumin (OVA) and 10 μm particular matter (PM10) to induce allergic rhinitis. Aerosolized AEO 0.0003% and 0.03% were delivered by nebulizer for 5 min a day, 3 times a week for 7 weeks. Nasal symptoms (sneezing and rubbing), histopathological changes in nasal tissues, serum IgE, and zonula occludens-1 (ZO-1) expressions on nasal tissues were analyzed. After AR induction with OVA+PM10 and inhalation of AEO 0.0003% and 0.03% treatment, AEO significantly decreased allergic symptoms (sneezing and rubbing), hyperplasia of nasal epithelial thickness, goblet cell counts, and serum IgE level. The network analysis demonstrated that the possible molecular mechanism of AEO is highly associated with the IL-17 signaling pathway and tight junction. The target pathway of AEO was investigated in RPMI 2650 nasal epithelial cells. Treatment of AEO on PM10-treated nasal epithelial cells significantly reduced the production of inflammatory mediators related to the IL-17 signaling pathway, NF-κB, and the MAPK signaling pathway and prevented the reduction in TJ-related factors. When taken together, AEO inhalation may be considered as a potential treatment for AR by alleviating nasal inflammation and recovering the tight junction.
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Affiliation(s)
- Jae Yoon Chung
- Department of Convergence Korean Medical Science, College of Korean Medicine, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Nayoung Park
- Department of Convergence Korean Medical Science, College of Korean Medicine, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Mi Hye Kim
- Department of Convergence Korean Medical Science, College of Korean Medicine, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Woong Mo Yang
- Department of Convergence Korean Medical Science, College of Korean Medicine, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
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Li L, Wang J, Athari SS, Jiang CW. Study on anti-inflammatory effect of peptides-conjugated alumina nanoparticle on allergic rhinitis mice model. Allergol Immunopathol (Madr) 2023; 51:111-116. [PMID: 37169568 DOI: 10.15586/aei.v51i3.819] [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: 12/30/2022] [Accepted: 02/15/2023] [Indexed: 05/13/2023]
Abstract
Allergic rhinitis (AR) is a common atopic problem in which immune response to the environmental factors leads to clinical symptoms. Helicobacter pylori neutrophil-activating protein (HP-NAP) as a peptide attenuates Th2 response and stimulates Th1 activation and mucus adhesion promoting protein (MapA) as a cell-surface protein binds to mucus. This study evaluated the effect of HP-NAP and MapA conjugated with alumina nanoparticle on AR. HP-NAP and HP-NAP with MapA were conjugated to alumina nanoparticle and two separate nanoparticles were produced. The AR mice were treated with these and HP-NAP in peptide form. The AR symptoms, gene expression of mucus, levels of IL-33 and IL-4, and total and ovalbumin (OVA)-specific IgE levels were evaluated. Nasal rubbing, sneezing, gene expression of mucus, and IL-33 and IL-4 levels, and OVA-specific and total IgE were decreased in three treated groups compared to AR, and there was a significant decrease in the symptoms in AR-H-M-A group (P < 0.05) when compared to the other treated groups. HP-NAP has a controlling effect on AR, and in nanoparticle-conjugated form it can strongly attach to the airway's mucus via MapA. Therefore, cooperation of HP-NAP-alumina with MapA can produce an effective and applicable treatment for AR.
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Affiliation(s)
- Li Li
- Faculty of Pharmacy, Guangxi University of Chinese Medicine, Nanning, China
| | - Jing Wang
- Department of Otorhinolaryngological, Dezhou Second People's Hospital, Dezhou, China
| | - Seyyed Shamsadin Athari
- Department of Immunology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Chao-Wu Jiang
- Department of Otolaryngology Division I, The First Affiliated Hospital of Kunming Medical University, Kunming, China; ;
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Park N, Chung JY, Kim MH, Yang WM. Protective effects of inhalation of essential oils from Mentha piperita leaf on tight junctions and inflammation in allergic rhinitis. FRONTIERS IN ALLERGY 2022; 3:1012183. [PMID: 36578435 PMCID: PMC9790934 DOI: 10.3389/falgy.2022.1012183] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 11/04/2022] [Indexed: 12/14/2022] Open
Abstract
Allergic rhinitis is one of the most common diseases, which is caused by IgE-mediated reactions to inhaled allergens. Essential oils from the Mentha piperita leaf (EOM) are known to be effective for various diseases, such as respiratory diseases. However, the effect of inhalation of EOM on tight junctions and inflammation related to allergic rhinitis is not yet known. The purpose of this research was to explain the effects of the inhalation of EOM on tight junctions and inflammation of allergic rhinitis through network pharmacology and an experimental study. For that purpose, a pharmacology network analysis was conducted comprising major components of EOM. Based on the network pharmacology prediction results, we evaluated the effect of EOM on histological changes in mice with ovalbumin and PM10-induced allergic rhinitis. Allergic symptoms, infiltration of inflammatory cells, and regulation of ZO-1 were investigated in mice with allergic rhinitis. Other allergic parameters were also analyzed by reverse transcription polymerase chain reaction and western blot in nasal epithelial cells. In the network analysis, the effects of EOM were closely related to tight junctions and inflammation in allergic rhinitis. Consistent with the results from the network analysis, EOM significantly decreased epithelial thickness, mast cell degranulation, goblet cell secretion, and the infiltration of inflammatory cells in nasal tissue. EOM also regulated the MAPK-NF-κB signaling pathway, which was related to tight junctions in nasal epithelial cells. This research confirmed that inhalation of EOM effectively restores tight junctions and suppresses inflammation in the allergic rhinitis model. These results reveal that EOM has a therapeutic mechanism to treat allergic rhinitis.
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15
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Yang YY, Liu J, Liu YT, Ong HH, Chen QM, Chen CB, Thong M, Xu X, Zhou SZ, Qiu QH, Wang DY. Moderate Dose Irradiation Induces DNA Damage and Impairments of Barrier and Host Defense in Nasal Epithelial Cells in vitro. J Inflamm Res 2022; 15:3661-3675. [PMID: 35783248 PMCID: PMC9242583 DOI: 10.2147/jir.s369385] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 06/16/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose Radiotherapy (RT) is the mainstay treatment for head and neck cancers. However, chronic and recurrent upper respiratory tract infections and inflammation have been commonly reported in patients post-RT. The underlying mechanisms remain poorly understood. Method and Materials We used a well-established model of human nasal epithelial cells (hNECs) that forms a pseudostratified layer in the air-liquid interface (ALI) and exposed it to single or repeated moderate dose γ-irradiation (1Gy). We assessed the DNA damage and evaluated the biological properties of hNECs at different time points post-RT. Further, we explored the host immunity alterations in irradiated hNECs with polyinosinic-polycytidylic acid sodium salt (poly [I:C]) and lipopolysaccharides (LPS). Results IR induced DNA double strand breaks (DSBs) and triggered DNA damage response in hNECs. Repeated IR significantly reduced basal cell proliferation with low expression of p63/KRT5 and Ki67, induced cilia loss and inhibited mucus secretion. In addition, IR decreased ZO-1 expression and caused a significant decline in the transepithelial electrical resistance (TEER). Moreover, hyperreactive response against pathogen invasion and disrupted epithelial host defense can be observed in hNECs exposed to repeated IR. Conclusion Our study suggests that IR induced prolonged structural and functional impairments of hNECs may contribute to patients post-RT with increased risk of developing chronic and recurrent upper respiratory tract infection and inflammation.
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Affiliation(s)
- Yue-Ying Yang
- Department of Otolaryngology-Head and Neck Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
- Department of Otolaryngology, Infectious Diseases Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Jing Liu
- Department of Otolaryngology, Infectious Diseases Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Yi-Tong Liu
- Department of Otolaryngology-Head and Neck Surgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, People’s Republic of China
| | - Hsiao-Hui Ong
- Department of Otolaryngology, Infectious Diseases Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Qian-Min Chen
- Department of Otolaryngology, Infectious Diseases Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, People’s Republic of China
| | - Ce-Belle Chen
- Centre for Ion Beam Applications, Department of Physics, National University of Singapore, Singapore
| | - Mark Thong
- Department of Otolaryngology-Head and Neck Surgery, National University Hospital, National University Health System, Singapore
| | - Xinni Xu
- Department of Otolaryngology-Head and Neck Surgery, National University Hospital, National University Health System, Singapore
| | - Sui-Zi Zhou
- Department of Otolaryngology-Head and Neck Surgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, People’s Republic of China
| | - Qian-Hui Qiu
- Department of Otolaryngology-Head and Neck Surgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, People’s Republic of China
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, People’s Republic of China
- Correspondence: Qian-Hui Qiu, Department of Otolaryngology-Head and Neck Surgery, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, No. 106 Zhongshan Road II, Guangzhou, 510080, People’s Republic of China, Tel +86 20 83827812, Email
| | - De-Yun Wang
- Department of Otolaryngology, Infectious Diseases Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- De-Yun Wang, Department of Otolaryngology, Infectious Diseases Translational Research Programme, Yong Loo Lin School of Medicine, NUHS Tower Block, 1E Kent Ridge Road, 119228, Singapore, Tel + 65 6772 5373/5370/5371, Fax +65 6775 3820, Email
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Velasco E, Delicado‐Miralles M, Hellings PW, Gallar J, Van Gerven L, Talavera K. Epithelial and sensory mechanisms of nasal hyperreactivity. Allergy 2022; 77:1450-1463. [PMID: 35174893 DOI: 10.1111/all.15259] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 02/06/2022] [Accepted: 02/14/2022] [Indexed: 11/28/2022]
Abstract
"Nasal hyperreactivity" is a key feature in various phenotypes of upper airway diseases, whereby reactions of the nasal epithelium to diverse chemical and physical stimuli are exacerbated. In this review, we illustrate how nasal hyperreactivity can result from at least three types of mechanisms: (1) impaired barrier function, (2) hypersensitivity to external and endogenous stimuli, and (3) potentiation of efferent systems. We describe the known molecular basis of hyperreactivity related to the functional impairment of epithelial cells and somatosensory innervation, and indicate that the thermal, chemical, and mechanical sensors determining hyperreactivity in humans remain to be identified. We delineate research directions that may provide new insights into nasal hyperreactivity associated with rhinitis/rhinosinusitis pathophysiology and therapeutics. The elucidation of the molecular mechanisms underlying nasal hyperreactivity is essential for the treatment of rhinitis according to the precepts of precision medicine.
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Affiliation(s)
- Enrique Velasco
- Instituto de Neurociencias Universidad Miguel Hernández‐CSIC San Juan de Alicante Spain
- The European University of Brain and Technology‐Neurotech EU San Juan de Alicante Spain
| | | | - Peter W. Hellings
- Department of Otorhinolaryngology University Hospitals Leuven Leuven Belgium
| | - Juana Gallar
- Instituto de Neurociencias Universidad Miguel Hernández‐CSIC San Juan de Alicante Spain
- The European University of Brain and Technology‐Neurotech EU San Juan de Alicante Spain
- Instituto de Investigación Sanitaria y Biomédica de Alicante San Juan de Alicante Spain
| | - Laura Van Gerven
- Department of Otorhinolaryngology University Hospitals Leuven Leuven Belgium
- Department of Microbiology, Immunology and transplantation, Allergy and Clinical Immunology Research Unit KU Leuven Leuven Belgium
- Department of Neurosciences, Experimental Otorhinolaryngology, Rhinology Research KU Leuven Leuven Belgium
| | - Karel Talavera
- Laboratory of Ion Channel Research Department of Cellular and Molecular Medicine KU Leuven, VIB‐KU Leuven Center for Brain & Disease Research Leuven Belgium
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Siti Sarah CO, Nur Husna SM, Md. Shukri N, Wong KK, Mohd Ashari NS. Zonula occludens-1 expression is reduced in nasal epithelial cells of allergic rhinitis patients. PeerJ 2022; 10:e13314. [PMID: 35480562 PMCID: PMC9037125 DOI: 10.7717/peerj.13314] [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: 10/04/2021] [Accepted: 03/31/2022] [Indexed: 01/15/2023] Open
Abstract
Allergic rhinitis (AR) is a common allergic disease characterized by disruption of nasal epithelial barrier. In this study, we investigated the mRNA expression of zonula occludens-1 (ZO-1), ZO-2 and ZO-3 and histone deacetylase 1 (HDAC1) and HDAC2 in AR patients compared to healthy controls. RNA samples were extracted from nasal epithelial cells of house dust mites (HDMs)-sensitized AR patients and healthy controls (n = 28 in each group). The RNAs were reverse transcribed into cDNAs for measurement of ZO-1, ZO-2, ZO-3, HDAC1 and HDAC2 expression levels by quantitative PCR. The mRNA expression of ZO-1 was significantly decreased in AR patients compared to healthy controls (p = 0.010). No significant difference was observed in the expression levels of ZO-2, ZO-3, HDAC1 and HDAC2 in AR patients compared to healthy controls. We found significant associations of higher HDAC2 levels in AR patients with lower frequency of changing bedsheet (p = 0.043) and with AR patients sensitized to Dermatophagoides farinae (p = 0.041). Higher expression of ZO-2 was observed in AR patients who had pets (p = 0.007). In conclusion, our data indicated that ZO-1 expression was lower in AR patients contributing to decreased integrity of nasal epithelial barrier integrity, and HDAC2 may be involved in the pathogenesis of the disease.
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Affiliation(s)
- Che Othman Siti Sarah
- Department of Immunology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Siti Muhamad Nur Husna
- Department of Immunology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Norasnieda Md. Shukri
- Department of Otorhinolaryngology, Head and Neck Surgery, School of Medical Sciences, Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Kah Keng Wong
- Department of Immunology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Noor Suryani Mohd Ashari
- Department of Immunology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
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Chen SW, Lin HJ, Tsai SCS, Lin CL, Hsu CY, Hsieh TL, Chen CM, Chang KH. Exposure to Air Pollutants Increases the Risk of Chronic Rhinosinusitis in Taiwan Residents. TOXICS 2022; 10:toxics10040173. [PMID: 35448434 PMCID: PMC9031629 DOI: 10.3390/toxics10040173] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/22/2022] [Accepted: 03/28/2022] [Indexed: 01/25/2023]
Abstract
Air pollution triggers a tissue-specific inflammatory response. However, studies on the association between exposure to air pollutants and chronic rhinosinusitis (CRS) risk remain limited. Thus, we conducted this nationwide study to define the association between air pollution and CRS. We used the Longitudinal Health Insurance Database (LHID) and Taiwan Air Quality-Monitoring Database (TAQMD) to conduct a population-based cohort study. Study participants were recruited from the LHID, a data subset of the National Health Insurance Research Database that randomly sampled one million individuals. TAQMD has been an air pollutant database since 1998. In univariate and multivariate Cox proportional hazards regression models, adjusted hazard ratios (aHRs) and 95% CIs of CRS in five air pollutants were accounted. We adjusted for age, sex, urbanization level, insurance fee, comorbidities, and pollutant levels in the multivariate model. The total number of participants enrolled in this study was 160,504. The average age was 40.46 ± 14.62 years; males constituted 43.8% of the total participants. The percentages of alcoholism, tobacco dependence, and COPD were 1.5%, 2.8%, and 28.3%, respectively. After adjustment for age, sex, urbanization level, insurance fee, and comorbidities, the highest levels of air pollutants, including PM2.5 (aHR = 1.14, 95% CI = 1.06–1.22), NO2 (aHR = 1.07, 95% CI = 1.00–1.15), and PM10 (aHR = 1.13, 95% CI = 1.05–1.21) had a significantly greater CRS risk; we selected the lower concentration as the reference but did not correlate with CO. We found a significantly increased risk of CRS in residents with air pollutant exposure.
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Affiliation(s)
- Shih-Wei Chen
- Department of Life Sciences and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan;
- Department of Otolaryngology, Tungs’ Taichung MetroHarbor Hospital, Taichung 435, Taiwan; (H.-J.L.); (S.C.-S.T.); (T.-L.H.)
| | - Han-Jie Lin
- Department of Otolaryngology, Tungs’ Taichung MetroHarbor Hospital, Taichung 435, Taiwan; (H.-J.L.); (S.C.-S.T.); (T.-L.H.)
| | - Stella Chin-Shaw Tsai
- Department of Otolaryngology, Tungs’ Taichung MetroHarbor Hospital, Taichung 435, Taiwan; (H.-J.L.); (S.C.-S.T.); (T.-L.H.)
- Rong Hsing Research Center for Translational Medicine, College of Life Sciences, National Chung Hsing University, Taichung 402, Taiwan
| | - Cheng-Li Lin
- Management Office for Health Data, China Medical University Hospital, Taichung 404, Taiwan;
| | - Chung Y. Hsu
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung 404, Taiwan;
| | - Tsai-Ling Hsieh
- Department of Otolaryngology, Tungs’ Taichung MetroHarbor Hospital, Taichung 435, Taiwan; (H.-J.L.); (S.C.-S.T.); (T.-L.H.)
- Department of Medical Research, Tungs’ Taichung MetroHarbor Hospital, Taichung 435, Taiwan
| | - Chuan-Mu Chen
- Department of Life Sciences and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan;
- Rong Hsing Research Center for Translational Medicine, College of Life Sciences, National Chung Hsing University, Taichung 402, Taiwan
- The iEGG and Animal Biotechnology Center, National Chung Hsing University, Taichung 402, Taiwan
- Correspondence: (C.-M.C.); (K.-H.C.); Tel.: +886-932-971-386 (K.-H.C.)
| | - Kuang-Hsi Chang
- Department of Life Sciences and Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan;
- Department of Medical Research, Tungs’ Taichung MetroHarbor Hospital, Taichung 435, Taiwan
- Center for General Education, China Medical University, Taichung 404, Taiwan
- General Education Center, Jen-Teh Junior College of Medicine, Nursing and Management, Miaoli 356, Taiwan
- Correspondence: (C.-M.C.); (K.-H.C.); Tel.: +886-932-971-386 (K.-H.C.)
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19
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Ruysseveldt E, Martens K, Steelant B. Airway Basal Cells, Protectors of Epithelial Walls in Health and Respiratory Diseases. FRONTIERS IN ALLERGY 2021; 2:787128. [PMID: 35387001 PMCID: PMC8974818 DOI: 10.3389/falgy.2021.787128] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 10/25/2021] [Indexed: 01/02/2023] Open
Abstract
The airway epithelium provides a critical barrier to the outside environment. When its integrity is impaired, epithelial cells and residing immune cells collaborate to exclude pathogens and to heal tissue damage. Healing is achieved through tissue-specific stem cells: the airway basal cells. Positioned near the basal membrane, airway basal cells sense and respond to changes in tissue health by initiating a pro-inflammatory response and tissue repair via complex crosstalks with nearby fibroblasts and specialized immune cells. In addition, basal cells have the capacity to learn from previous encounters with the environment. Inflammation can indeed imprint a certain memory on basal cells by epigenetic changes so that sensitized tissues may respond differently to future assaults and the epithelium becomes better equipped to respond faster and more robustly to barrier defects. This memory can, however, be lost in diseased states. In this review, we discuss airway basal cells in respiratory diseases, the communication network between airway basal cells and tissue-resident and/or recruited immune cells, and how basal cell adaptation to environmental triggers occurs.
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Affiliation(s)
- Emma Ruysseveldt
- Allergy and Clinical Immunology Research Unit, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Katleen Martens
- Allergy and Clinical Immunology Research Unit, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
- Department of Bioscience Engineering, University of Antwerp, Antwerp, Belgium
| | - Brecht Steelant
- Allergy and Clinical Immunology Research Unit, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
- Head and Neck Surgery, Department of Otorhinolaryngology, University of Crete School of Medicine, Heraklion, Greece
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20
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Yen TT, Jiang RS, Chang CY, Wu CY, Liang KL. Erythromycin reduces nasal inflammation by inhibiting immunoglobulin production, attenuating mucus secretion, and modulating cytokine expression. Sci Rep 2021; 11:21737. [PMID: 34741083 PMCID: PMC8571277 DOI: 10.1038/s41598-021-01192-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 10/25/2021] [Indexed: 12/02/2022] Open
Abstract
Allergic rhinitis (AR) and chronic rhinosinusitis (CRS) share some similar pathological mechanisms. In current study, we intend to investigate the impact of AR on CRS. In addition, we explored the efficacy of erythromycin (EM) treatment on CRS mice with or without AR (CRSwoAR, CRSwAR). Study subjects were divided into control, CRSwoAR, and CRSwAR groups. Experimental mice were divided similarly into control, CRSwoAR, and CRSwAR groups. In addition, CRS mice were treated with EM at 0.75, 7.5, or 75 mg/kg or with dexamethasone (Dex) at 1 mg/kg. In our results, allergy exacerbates inflammation that was evident in nasal histology and cytokine expression both in patients and in mice with CRS. Dex 1 mg/kg, EM 7.5 or 75 mg/kg treatments significantly inhibited serum IgE and IgG2a in CRS mice. EM-treated CRS mice had significantly elevated IL-10 levels and had a reversal of Th-1/Th-2 cytokine expression in nasal-associated lymphoid tissue. MUC5AC expressions were significantly reduced in the 7.5 or 75 mg/kg EM-treated mice compared with untreated mice. EM showed inhibitions on immunoglobulin production and mucus secretion stronger than Dex. We concluded that comorbid AR enhanced inflammation of CRS. EM and Dex treatments showed similar anti-inflammatory effects on CRS but through partly different mechanisms.
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Affiliation(s)
- Ting-Ting Yen
- Department of Otolaryngology, Taichung Veterans General Hospital, 1650, Sec. 4, Taiwan Boulevard, Taichung, 40705, Taiwan
- Faculty of Medicine, National Yang-Ming Chiao-Tung University, Taipei, Taiwan
| | - Rong-San Jiang
- Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
- Faculty of Medicine, National Yang-Ming Chiao-Tung University, Taipei, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Ching-Yun Chang
- Department of Otolaryngology, Taichung Veterans General Hospital, 1650, Sec. 4, Taiwan Boulevard, Taichung, 40705, Taiwan
| | - Chih-Ying Wu
- Department of Pathology and Medical Laboratory, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Kai-Li Liang
- Department of Otolaryngology, Taichung Veterans General Hospital, 1650, Sec. 4, Taiwan Boulevard, Taichung, 40705, Taiwan.
- Faculty of Medicine, National Yang-Ming Chiao-Tung University, Taipei, Taiwan.
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan.
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21
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Mitamura Y, Ogulur I, Pat Y, Rinaldi AO, Ardicli O, Cevhertas L, Brüggen MC, Traidl-Hoffmann C, Akdis M, Akdis CA. Dysregulation of the epithelial barrier by environmental and other exogenous factors. Contact Dermatitis 2021; 85:615-626. [PMID: 34420214 PMCID: PMC9293165 DOI: 10.1111/cod.13959] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 08/11/2021] [Accepted: 08/18/2021] [Indexed: 12/26/2022]
Abstract
The “epithelial barrier hypothesis” proposes that the exposure to various epithelial barrier–damaging agents linked to industrialization and urbanization underlies the increase in allergic diseases. The epithelial barrier constitutes the first line of physical, chemical, and immunological defense against environmental factors. Recent reports have shown that industrial products disrupt the epithelial barriers. Innate and adaptive immune responses play an important role in epithelial barrier damage. In addition, recent studies suggest that epithelial barrier dysfunction plays an essential role in the pathogenesis of the atopic march by allergen sensitization through the transcutaneous route. It is evident that external factors interact with the immune system, triggering a cascade of complex reactions that damage the epithelial barrier. Epigenetic and microbiome changes modulate the integrity of the epithelial barrier. Robust and simple measurements of the skin barrier dysfunction at the point‐of‐care are of significant value as a biomarker, as recently reported using electrical impedance spectroscopy to directly measure barrier defects. Understanding epithelial barrier dysfunction and its mechanism is key to developing novel strategies for the prevention and treatment of allergic diseases. The aim of this review is to summarize recent studies on the pathophysiological mechanisms triggered by environmental factors that contribute to the dysregulation of epithelial barrier function.
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Affiliation(s)
- Yasutaka Mitamura
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos
| | - Ismail Ogulur
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos.,Division of Pediatric Allergy and Immunology, School of Medicine, Marmara University, Istanbul, Turkey
| | - Yagiz Pat
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos.,Department of Medical Microbiology, Faculty of Medicine, Aydin Menderes University, Aydin, Turkey
| | - Arturo O Rinaldi
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos
| | - Ozge Ardicli
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos.,Department of Microbiology, Faculty of Veterinary Medicine, Bursa Uludag University, Bursa, Turkey
| | - Lacin Cevhertas
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos.,Department of Medical Immunology, Institute of Health Sciences, Bursa Uludag University, Bursa, Turkey
| | - Marie-Charlotte Brüggen
- Christine Kühne-Center for Allergy Research and Education, Davos.,Department of Dermatology, University Hospital Zurich, Zurich, Switzerland.,Faculty of Medicine, University of Zurich, Zurich, Switzerland
| | - Claudia Traidl-Hoffmann
- Christine Kühne-Center for Allergy Research and Education, Davos.,Department of Environmental Medicine, Faculty of Medicine, University of Augsburg, Augsburg, Germany
| | - Mubeccel Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos
| | - Cezmi A Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos.,Christine Kühne-Center for Allergy Research and Education, Davos
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22
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Ma S, Xian M, Wang Y, Wang C, Zhang L. Budesonide repairs decreased barrier integrity of eosinophilic nasal polyp epithelial cells caused by PM 2.5. Clin Transl Allergy 2021; 11:e12019. [PMID: 34262692 PMCID: PMC8254582 DOI: 10.1002/clt2.12029] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 04/09/2021] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Eosinophilic chronic rhinitis with nasal polyps (eos-CRSwNP) is a subtype of nasal polyps (NPs) characterized by severe type-2 inflammation and defective epithelial barrier function. The epithelial barrier plays important roles in the pathogenesis of NPs and type-2 inflammation. Particular matter 2.5 (PM2.5) are fine particles with a diameter less than 2.5 μm, containing a mixture of different components. Here, we investigated the impact of PM2.5 on the barrier function of the eos-CRSwNP epithelium and explored the reparative function of budesonide. METHODS Samples from noninflammatory nasal mucosa and eos-CRSwNP were collected to establish an in vitro air-liquid interface cultured model. The cells were exposed to PM2.5 at 50 or 100 µg/ml intermittently for 72 h, with or without budesonide pretreatment. Barrier function and tight junction (TJ) expression were reflected by measuring transepithelial resistance (TER), paracellular flux permeability of fluorescein isothiocyanate-labeled 4-kDa dextran, quantitative real-time polymerase chain reaction (qPCR), and immunofluorescence staining of TJ proteins. Cytokine expression was measured by qPCR and enzyme-linked immunosorbent assay or Luminex. RESULTS PM2.5 increased paracellular flux and downregulated TJ protein expression (zona occuldens-1, occludin, and claudin-1), but did not change TER. These changes could be partially restored by budesonide treatment. Interleukin (IL)-8, IL-10, IL-1α, and tissue inhibitor of metalloproteinase (TIMP)-1 concentrations were significantly increased in the culture medium of cells exposed to PM2.5, and budesonide significantly reduced the changes in IL-8, IL-1α, and TIMP-1. CONCLUSION PM2.5 impaired the barrier function of eos-CRSwNP epithelial cells and increased the permeability of large molecules. PM2.5 also increased the secretion of pro-inflammatory cytokines by nasal epithelial cells. Budesonide could partially repair the damage, suggesting potential applications in clinical practice.
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Affiliation(s)
- Siyuan Ma
- Department of Otolaryngology Head and Neck SurgeryBeijing TongRen HospitalCapital Medical UniversityBeijingChina
- Beijing Key Laboratory of Nasal DiseasesBeijing Institute of OtolaryngologyBeijingChina
- Research Unit of Diagnosis and Treatment of Chronic Nasal DiseasesChinese Academy of Medical SciencesBeijingChina
| | - Mu Xian
- Department of Otolaryngology Head and Neck SurgeryBeijing TongRen HospitalCapital Medical UniversityBeijingChina
- Beijing Key Laboratory of Nasal DiseasesBeijing Institute of OtolaryngologyBeijingChina
- Research Unit of Diagnosis and Treatment of Chronic Nasal DiseasesChinese Academy of Medical SciencesBeijingChina
| | - Yang Wang
- Beijing Key Laboratory of Nasal DiseasesBeijing Institute of OtolaryngologyBeijingChina
- Research Unit of Diagnosis and Treatment of Chronic Nasal DiseasesChinese Academy of Medical SciencesBeijingChina
| | - Chengshuo Wang
- Department of Otolaryngology Head and Neck SurgeryBeijing TongRen HospitalCapital Medical UniversityBeijingChina
- Beijing Key Laboratory of Nasal DiseasesBeijing Institute of OtolaryngologyBeijingChina
- Research Unit of Diagnosis and Treatment of Chronic Nasal DiseasesChinese Academy of Medical SciencesBeijingChina
| | - Luo Zhang
- Department of Otolaryngology Head and Neck SurgeryBeijing TongRen HospitalCapital Medical UniversityBeijingChina
- Beijing Key Laboratory of Nasal DiseasesBeijing Institute of OtolaryngologyBeijingChina
- Research Unit of Diagnosis and Treatment of Chronic Nasal DiseasesChinese Academy of Medical SciencesBeijingChina
- Department of AllergyBeijing TongRen HospitalCapital Medical UniversityBeijingChina
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23
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Nur Husna SM, Tan HTT, Md Shukri N, Mohd Ashari NS, Wong KK. Nasal Epithelial Barrier Integrity and Tight Junctions Disruption in Allergic Rhinitis: Overview and Pathogenic Insights. Front Immunol 2021; 12:663626. [PMID: 34093555 PMCID: PMC8176953 DOI: 10.3389/fimmu.2021.663626] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 04/22/2021] [Indexed: 12/20/2022] Open
Abstract
Allergic rhinitis (AR) is a common disorder affecting up to 40% of the population worldwide and it usually persists throughout life. Nasal epithelial barrier constitutes the first line of defense against invasion of harmful pathogens or aeroallergens. Cell junctions comprising of tight junctions (TJs), adherens junctions, desmosomes and hemidesmosomes form the nasal epithelial barrier. Impairment of TJ molecules plays causative roles in the pathogenesis of AR. In this review, we describe and discuss the components of TJs and their disruption leading to development of AR, as well as regulation of TJs expression by epigenetic changes, neuro-immune interaction, epithelial-derived cytokines (thymic stromal lymphopoietin, IL-25 and IL-33), T helper 2 (Th2) cytokines (IL-4, IL-5, IL-6 and IL-13) and innate lymphoid cells. These growing evidence support the development of novel therapeutic approaches to restore nasal epithelial TJs expression in AR patients.
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Affiliation(s)
- Siti Muhamad Nur Husna
- Department of Immunology, School of Medical Sciences Malaysia, Universiti Sains Malaysia, Kubang Kerian, Malaysia
| | - Hern-Tze Tina Tan
- Department of Immunology, School of Medical Sciences Malaysia, Universiti Sains Malaysia, Kubang Kerian, Malaysia
| | - Norasnieda Md Shukri
- Hospital Universiti Sains Malaysia, Kubang Kerian, Malaysia.,Department of Otorhinolaryngology, Head and Neck Surgery, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia
| | - Noor Suryani Mohd Ashari
- Department of Immunology, School of Medical Sciences Malaysia, Universiti Sains Malaysia, Kubang Kerian, Malaysia.,Hospital Universiti Sains Malaysia, Kubang Kerian, Malaysia
| | - Kah Keng Wong
- Department of Immunology, School of Medical Sciences Malaysia, Universiti Sains Malaysia, Kubang Kerian, Malaysia.,Hospital Universiti Sains Malaysia, Kubang Kerian, Malaysia
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24
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Lu M, Yang H, Wang J, An Z, Li J, Wu Z, Zhao Q, Li H, Zhai D, Liu Y, Wu W, Song J. Acute effects of ambient air pollution on outpatients with chronic rhinitis in Xinxiang, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:9889-9897. [PMID: 33159228 DOI: 10.1007/s11356-020-11534-0] [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: 05/26/2020] [Accepted: 11/03/2020] [Indexed: 06/11/2023]
Abstract
Air pollution exposure leads to increased mortality and morbidity rates of respiratory diseases. Most of the evidence was founded on acute diseases such as acute lower respiratory diseases. However, limited studies have been conducted to evaluate the effects of air pollution on chronic respiratory diseases. This time-series study was conducted to examine the acute effects of 6 criteria ambient air pollutants on hospital outpatients with chronic rhinitis (CR) in Xinxiang, China. We retrieved 223,826 outpatient records of patients with respiratory diseases, of which 62,901 were those of patients with CR. Results showed that the current 10-μg/m3 increase in fine particulate matter (PM2.5), inhalable particulate matter (PM10), sulfur dioxide (SO2), nitrogen dioxide (NO2), and carbon monoxide (CO) corresponds to 0.67% (95% confidence interval [CI]: 0.15-1.18%), 0.58% (95% CI: 0.24-0.92%), 1.89% (95% CI: 0.52-3.27%), 3.01% (95% CI: 1.66-4.35%), and 0.06% (95% CI: 0.03-0.10%) increments in outpatients with CR, respectively. In addition, the effects in the male were stronger than those in the female. Higher effect estimates were observed in the old (≥ 65 years of age) and younger (< 15 years of age) groups. Our study confirmed the association between air pollution and outpatients with CR in Xinxiang, China. More stringent air pollution control measures must be implemented.
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Affiliation(s)
- Mengxue Lu
- Henan International Collaborative Laboratory for Health Effects and Intervention of Air Pollution, School of Public Health, Xinxiang Medical University, Xinxiang, 453003, Henan Province, China
| | - Huijuan Yang
- Henan International Collaborative Laboratory for Health Effects and Intervention of Air Pollution, School of Public Health, Xinxiang Medical University, Xinxiang, 453003, Henan Province, China
| | - Jingyao Wang
- Henan International Collaborative Laboratory for Health Effects and Intervention of Air Pollution, School of Public Health, Xinxiang Medical University, Xinxiang, 453003, Henan Province, China
| | - Zhen An
- Henan International Collaborative Laboratory for Health Effects and Intervention of Air Pollution, School of Public Health, Xinxiang Medical University, Xinxiang, 453003, Henan Province, China
| | - Juan Li
- Henan International Collaborative Laboratory for Health Effects and Intervention of Air Pollution, School of Public Health, Xinxiang Medical University, Xinxiang, 453003, Henan Province, China
| | - Zhineng Wu
- Henan International Collaborative Laboratory for Health Effects and Intervention of Air Pollution, School of Public Health, Xinxiang Medical University, Xinxiang, 453003, Henan Province, China
| | - Qian Zhao
- Henan International Collaborative Laboratory for Health Effects and Intervention of Air Pollution, School of Public Health, Xinxiang Medical University, Xinxiang, 453003, Henan Province, China
| | - Huijun Li
- Henan International Collaborative Laboratory for Health Effects and Intervention of Air Pollution, School of Public Health, Xinxiang Medical University, Xinxiang, 453003, Henan Province, China
| | - Desheng Zhai
- Henan International Collaborative Laboratory for Health Effects and Intervention of Air Pollution, School of Public Health, Xinxiang Medical University, Xinxiang, 453003, Henan Province, China
| | - Yue Liu
- Chinese Center for Disease Control and Prevention, National Institute of Environmental Health, Beijing, 100021, China
| | - Weidong Wu
- Henan International Collaborative Laboratory for Health Effects and Intervention of Air Pollution, School of Public Health, Xinxiang Medical University, Xinxiang, 453003, Henan Province, China
| | - Jie Song
- Henan International Collaborative Laboratory for Health Effects and Intervention of Air Pollution, School of Public Health, Xinxiang Medical University, Xinxiang, 453003, Henan Province, China.
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25
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Epithelial dysfunction in chronic respiratory diseases, a shared endotype? Curr Opin Pulm Med 2021; 26:20-26. [PMID: 31688241 DOI: 10.1097/mcp.0000000000000638] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW Epithelial barrier defects are being appreciated in various inflammatory disorders; however, causal underlying mechanisms are lacking. In this review, we describe the disruption of the airway epithelium with regard to upper and lower airway diseases, the role of epigenetic alterations underlying this process, and potential novel ways of interfering with dysfunctional epithelial barriers as a novel therapeutic approach. RECENT FINDINGS A defective epithelial barrier, impaired innate defence mechanisms or hampered epithelial cell renewal are found in upper and lower airway diseases. Barrier dysfunction might facilitate the entrance of foreign substances, initiating and facilitating the onset of disease. Latest data provided novel insights for possible involvement of epigenetic alterations induced by inflammation or other unknown mechanisms as a potential mechanism responsible for epithelial defects. Additionally, these mechanisms might precede disease development, and represent a novel therapeutic approach for restoring epithelial defects. SUMMARY A better understanding of the role of epigenetics in driving and maintaining epithelial defects in various inflammatory diseases, using state-of-the-art biology tools will be crucial in designing novel therapies to protect or reconstitute a defective airway epithelial barrier.
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26
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Kan XL, Pan XH, Zhao J, He J, Cai XM, Pang RQ, Zhu XQ, Cao XB, Ruan GP. Effect and mechanism of human umbilical cord mesenchymal stem cells in treating allergic rhinitis in mice. Sci Rep 2020; 10:19295. [PMID: 33168885 PMCID: PMC7652838 DOI: 10.1038/s41598-020-76343-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 10/27/2020] [Indexed: 12/17/2022] Open
Abstract
A model of allergic rhinitis (AR) in BALB/c mice was established and evaluated to provide experimental subjects for further research. Preparation of human umbilical cord mesenchymal stem cells (hUCMSCs), including isolation, expansion culture, passaging, cryopreservation, and preparation of cell suspensions, provided materials for experimental research and clinical treatment. The mouse AR model was established by ovalbumin (OVA) intraperitoneal injection and the nasal stimulation induction method, and the model had a good effect and high repeatability. GFP-labeled hUCMSCs had good effects and were stable cells that could be used for tracking in animals. Transplantation of hUCMSCs by intraperitoneal and tail vein injections had a specific effect on the AR model of mice, and tail vein injection had a better effect. Tracking of hUCMSCs in vivo showed that the three groups of mice had the greatest number of hUCMSCs in the nose at week 2. The mouse AR model was used to evaluate the efficacy of hUCMSC transplantation via multiple methods for AR. The distribution of hUCMSCs in vivo was tracked by detecting green fluorescent protein (GFP), and the treatment mechanism of hUCMSCs was elucidated. This study provides technical methods and a theoretical basis for the clinical application of hUCMSCs.
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Affiliation(s)
- Xiao-Li Kan
- Kunming Key Laboratory of Stem Cell and Regenerative Medicine, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan, China.,Stem Cell and Immune Cell Biomedical Techniques and Integrated Engineering Laboratory of State and Regions, Kunming, Yunnan, China.,Cell Therapy Technology Transfer Medical Key Laboratory of Yunnan Province, Kunming, Yunnan, China
| | - Xing-Hua Pan
- Kunming Key Laboratory of Stem Cell and Regenerative Medicine, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan, China.,Stem Cell and Immune Cell Biomedical Techniques and Integrated Engineering Laboratory of State and Regions, Kunming, Yunnan, China.,Cell Therapy Technology Transfer Medical Key Laboratory of Yunnan Province, Kunming, Yunnan, China
| | - Jing Zhao
- Kunming Key Laboratory of Stem Cell and Regenerative Medicine, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan, China.,Stem Cell and Immune Cell Biomedical Techniques and Integrated Engineering Laboratory of State and Regions, Kunming, Yunnan, China.,Cell Therapy Technology Transfer Medical Key Laboratory of Yunnan Province, Kunming, Yunnan, China
| | - Jie He
- Kunming Key Laboratory of Stem Cell and Regenerative Medicine, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan, China.,Stem Cell and Immune Cell Biomedical Techniques and Integrated Engineering Laboratory of State and Regions, Kunming, Yunnan, China.,Cell Therapy Technology Transfer Medical Key Laboratory of Yunnan Province, Kunming, Yunnan, China
| | - Xue-Min Cai
- Kunming Key Laboratory of Stem Cell and Regenerative Medicine, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan, China.,Stem Cell and Immune Cell Biomedical Techniques and Integrated Engineering Laboratory of State and Regions, Kunming, Yunnan, China.,Cell Therapy Technology Transfer Medical Key Laboratory of Yunnan Province, Kunming, Yunnan, China
| | - Rong-Qing Pang
- Kunming Key Laboratory of Stem Cell and Regenerative Medicine, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan, China.,Stem Cell and Immune Cell Biomedical Techniques and Integrated Engineering Laboratory of State and Regions, Kunming, Yunnan, China.,Cell Therapy Technology Transfer Medical Key Laboratory of Yunnan Province, Kunming, Yunnan, China
| | - Xiang-Qing Zhu
- Kunming Key Laboratory of Stem Cell and Regenerative Medicine, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan, China.,Stem Cell and Immune Cell Biomedical Techniques and Integrated Engineering Laboratory of State and Regions, Kunming, Yunnan, China.,Cell Therapy Technology Transfer Medical Key Laboratory of Yunnan Province, Kunming, Yunnan, China
| | - Xian-Bao Cao
- Department of Otorhinolaryngology, Kunming First People's Hospital, Kunming, Yunnan, China.
| | - Guang-Ping Ruan
- Kunming Key Laboratory of Stem Cell and Regenerative Medicine, 920th Hospital of the PLA Joint Logistics Support Force, Kunming, 650032, Yunnan, China. .,Stem Cell and Immune Cell Biomedical Techniques and Integrated Engineering Laboratory of State and Regions, Kunming, Yunnan, China. .,Cell Therapy Technology Transfer Medical Key Laboratory of Yunnan Province, Kunming, Yunnan, China.
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27
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Braun C, Vocanson M, Nicolas JF, Nosbaum A. Physiopathologie de la dermatite atopique et des autres maladies atopiques : une approche globale est-elle possible ? Ann Dermatol Venereol 2020; 147:11S4-11S11. [PMID: 33250137 DOI: 10.1016/s0151-9638(20)31082-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Atopy is defined by the propensity to develop an exaggerated type-2 inflammatory response to environmental molecules. Clinically, atopy is diagnosed when atopic disease occurs: atopic dermatitis, food allergy, atopic asthma and allergic rhinitis and conjunctivitis. Whereas the classical "atopic march" is increasingly challenged through epidemiological studies, type-2 cellular inflammation is a characteristic shared by the atopic diseases. This inflammation can be innate (non-specific: eosinophils, mast cells, dendritic cells, innate lymphoid cells [ILC]), or adaptive (antigen-specific, involving T cells). Interleukins (IL-)4, 5 and 13 are major actors of type-2 inflammation and are mainly produced by ILC and T cells. The efficacy of treatments targeting these type-2 cytokines highlight the importance of type-2 inflammation in atopic diseases. However, several patients do not respond to type-2 targeting treatments, highlighting the presence of other actors in pathophysiology of atopic diseases: alteration of epithelial barrier, IgE-mediated allergic responses, type-17 inflammation. Thus, the term "endotype" can illustrate this diversity in pathophysiology. Finally, a global approach of atopic diseases, as type-2 inflammatory diseases, is fundamental, but not sufficient. An approach by endotype is advisable, in a personalized medicine perspective. © 2020 Elsevier Masson SAS. All rights reserved.
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Affiliation(s)
- C Braun
- CIRI - Centre international de recherche en infectiologie (International Center for Infectiology Research), INSERM U1111, CNRS UMR 5308, 21, avenue Tony-Garnier, 69007 Lyon, France; Hospices civils de Lyon, Hôpital Femme-Mère-Enfant, service de pneumologie et allergologie pédiatriques, Bron, France.
| | - M Vocanson
- CIRI - Centre international de recherche en infectiologie (International Center for Infectiology Research), INSERM U1111, CNRS UMR 5308, 21, avenue Tony-Garnier, 69007 Lyon, France
| | - J F Nicolas
- CIRI - Centre international de recherche en infectiologie (International Center for Infectiology Research), INSERM U1111, CNRS UMR 5308, 21, avenue Tony-Garnier, 69007 Lyon, France; Hospices civils de Lyon, Centre hospitalier Lyon-Sud, service d'allergologie et immunologie clinique, Pierre-Bénite, France
| | - A Nosbaum
- CIRI - Centre international de recherche en infectiologie (International Center for Infectiology Research), INSERM U1111, CNRS UMR 5308, 21, avenue Tony-Garnier, 69007 Lyon, France; Hospices civils de Lyon, Centre hospitalier Lyon-Sud, service d'allergologie et immunologie clinique, Pierre-Bénite, France
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Lee K, Byun J, Kim B, Yeon J, Tai J, Lee SH, Kim TH. TRPV4-Mediated Epithelial Junction Disruption in Allergic Rhinitis Triggered by House Dust Mites. Am J Rhinol Allergy 2020; 35:432-440. [PMID: 33012175 DOI: 10.1177/1945892420964169] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Epithelial barrier disruption is a crucial feature of allergic rhinitis (AR). Previous reports have indicated the role of transient receptor potential vanilloid (TRPV) 4 in regulating the intercellular junctions in various cells. However, the role of TRPV4 and its regulation by T helper 2 cell cytokines in the epithelial cells of patients with AR remains unclear. OBJECTIVE We aimed to elucidate the expression of TRPV4 in nasal epithelial cells and its cytokine-induced regulation, and to reveal its role in house dust mite-induced junction disruption in AR. METHODS The expression of TRPV4 in nasal epithelial cells was measured using real-time polymerase chain reaction, western blot, and immunohistochemical assays, and the expression levels were compared between the patients with AR and healthy controls. Altered expression of TRPV4 was induced in cultured nasal epithelial cells by stimulation of interleukin (IL) 4, IL-13, and tumor necrosis factor alpha. In addition, expression of E-cadherin and zonula occludens 1 was induced in Der p 1-stimulated epithelial cells by treatment with either a TRPV4 agonist (GSK1016790A) or a TRPV4 antagonist (RN1734). RESULTS TRPV4 expression was increased in epithelial cells harvested from the affected turbinates compared to those from the normal turbinates. The stimulation of cultured epithelial cells with IL-4 and IL-13 resulted in TRPV4 upregulation. Additionally, E-cadherin and zonula occludens 1 expression levels decreased in the cultured epithelial cells treated with GSK1016790A after stimulation with Der p 1, whereas Der p 1 stimulation alone showed no effect on junctional protein expression. CONCLUSIONS Increased TRPV4 expression occurred in epithelial cells harvested from patients with AR and epithelial cells stimulated by Th2 cytokines. Decreased junctional protein expression in epithelial cells after the stimulation by house dust mite allergen with TRPV4 agonist indicates a possible role of TRPV4 in the pathogenesis of allergen-induced epithelial barrier disruption in AR.
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Affiliation(s)
- Kijeong Lee
- Department of Otorhinolaryngology-Head & Neck Surgery, College of Medicine, Korea University, Seoul, Korea
| | - Junhyoung Byun
- Department of Otorhinolaryngology-Head & Neck Surgery, College of Medicine, Korea University, Seoul, Korea
| | - Byoungjae Kim
- Department of Otorhinolaryngology-Head & Neck Surgery, College of Medicine, Korea University, Seoul, Korea.,Neuroscience Research Institute, College of Medicine, Korea University, Seoul, Korea
| | - Jiwoo Yeon
- Department of Otorhinolaryngology-Head & Neck Surgery, College of Medicine, Korea University, Seoul, Korea
| | - Junhu Tai
- Department of Otorhinolaryngology-Head & Neck Surgery, College of Medicine, Korea University, Seoul, Korea
| | - Sang Hag Lee
- Department of Otorhinolaryngology-Head & Neck Surgery, College of Medicine, Korea University, Seoul, Korea
| | - Tae Hoon Kim
- Department of Otorhinolaryngology-Head & Neck Surgery, College of Medicine, Korea University, Seoul, Korea
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Siti Sarah CO, Md Shukri N, Mohd Ashari NS, Wong KK. Zonula occludens and nasal epithelial barrier integrity in allergic rhinitis. PeerJ 2020; 8:e9834. [PMID: 32953271 PMCID: PMC7476493 DOI: 10.7717/peerj.9834] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 08/07/2020] [Indexed: 01/25/2023] Open
Abstract
Allergic rhinitis (AR) is a common disease affecting 400 million of the population worldwide. Nasal epithelial cells form a barrier against the invasion of environmental pathogens. These nasal epithelial cells are connected together by tight junction (TJ) proteins including zonula occludens-1 (ZO-1), ZO-2 and ZO-3. Impairment of ZO proteins are observed in AR patients whereby dysfunction of ZOs allows allergens to pass the nasal passage into the subepithelium causing AR development. In this review, we discuss ZO proteins and their impairment leading to AR, regulation of their expression by Th1 cytokines (i.e., IL-2, TNF-α and IFN-γ), Th2 cytokines (i.e., IL-4 and IL-13) and histone deacetylases (i.e., HDAC1 and HDAC2). These findings are pivotal for future development of targeted therapies by restoring ZO protein expression and improving nasal epithelial barrier integrity in AR patients.
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Affiliation(s)
- Che Othman Siti Sarah
- Department of Immunology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Norasnieda Md Shukri
- Department of Otorhinolaryngology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Noor Suryani Mohd Ashari
- Department of Immunology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Kah Keng Wong
- Department of Immunology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
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Suzuki M, Yokota M, Kanemitsu Y, Min WP, Ozaki S, Nakamura Y. Intranasal administration of regulatory dendritic cells is useful for the induction of nasal mucosal tolerance in a mice model of allergic rhinitis. World Allergy Organ J 2020; 13:100447. [PMID: 32817781 PMCID: PMC7426451 DOI: 10.1016/j.waojou.2020.100447] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 07/12/2020] [Accepted: 07/15/2020] [Indexed: 12/14/2022] Open
Abstract
Background Intranasally administered dendritic cells (DCs) migrate into blood and thymus to induce immune responses. Regulatory dendritic cells (DCs) are also useful agents for allergy control. However, to the best of our knowledge, the effects of intranasal administration of regulatory DCs on allergy have not been reported until now. Therefore, we examined the effects of intranasal route of administration of CD40-silenced DCs on allergic responses and compared these with the effects of other administration routes, based on our previous findings on the inhibitory effects of CD40-silenced DCs on allergic responses. Methods Mice with allergic rhinitis were treated intranasally, subcutaneously, intraperitoneally, or intravenously with CD40-silenced ovalbumin (OVA)-pulsed DCs that were transfected with CD40 siRNAs and pulsed with OVA antigen. The effects of these DCs on allergic reactions and symptoms were estimated. Results Intranasal, subcutaneous, intraperitoneal, or intravenous administration of OVA-pulsed CD40-silenced DCs inhibited allergic responses and symptoms in mice. Furthermore, intranasal administration of OVA-pulsed CD40-silenced DCs significantly reduced allergic symptoms and the number of eosinophils in the nasal mucosa compared with subcutaneous, intraperitoneal, or intravenous administration of these DCs. Intranasal administration of OVA-pulsed CD40-silenced DCs resulted in significantly up-regulated IL-10, IL-35, and Foxp3 expression, and enhanced the percentage of CD11c+CD40− and CD4+CD25+ cells within the cervical lymph nodes compared to subcutaneous, intraperitoneal, or intravenous routes of administration. Conclusions We believe that this is the first report to demonstrate that regulatory DCs infiltrate into the cervical lymph nodes after intranasal administration of these cells and that intranasal administration of regulatory DCs is more effective for the induction of tolerance in the nasal mucosa than subcutaneous, intraperitoneal, or intravenous administration.
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Affiliation(s)
- Motohiko Suzuki
- Departments of Otorhinolaryngology, Nagoya City University, Nagoya, Japan
| | - Makoto Yokota
- Departments of Otorhinolaryngology, Nagoya City University, Nagoya, Japan
| | - Yoshihiro Kanemitsu
- Department of Respiratory Medicine, Allergy and Clinical Immunology, Nagoya City, University, Nagoya, Japan
| | - Wei-Ping Min
- Departments of Departments of Surgery, Microbiology and Immunology, and Pathology, University of Western Ontario, London, Canada
| | - Shinya Ozaki
- Departments of Otorhinolaryngology, Nagoya City University, Nagoya, Japan
| | - Yoshihisa Nakamura
- Departments of Otorhinolaryngology, Nagoya City University, Nagoya, Japan
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31
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Čabanová K, Motyka O, Čábalová L, Hrabovská K, Bielniková H, Kuzníková Ľ, Dvořáčková J, Zeleník K, Komínek P, Kukutschová J. Metal particles in mucus and hypertrophic tissue of the inferior nasal turbinates from the human upper respiratory tract. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:28146-28154. [PMID: 32410192 DOI: 10.1007/s11356-020-09156-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 05/04/2020] [Indexed: 06/11/2023]
Abstract
Mucosal surfaces are the first mechanical barrier preventing the entry of foreign particles into the organism. The study addresses the detection and analysis of metal-based solid particles in cytological mucus samples from the surface of human hypertrophic tissue in the inferior nasal turbinates in patients diagnosed with chronic rhinitis. Solid particles were characterized by scanning electron microscopy and Raman microspectroscopy; all the biological samples were also subjected to vibration magnetometry. Since the upper airways are the first part of the respiratory tract, which is exposed to inhaled particles, it can be assumed that inhaled particles may be partially deposited in this region. Scanning electron microscopy revealed the presence of metal-based solid particles/clusters in the majority of the analysed cytological mucus samples and also in hypertrophic tissues; in all groups, the particles were of submicron size. Raman microspectroscopy detected the presence of particles/clusters based on amorphous carbon, graphite, calcium carbonate, anatase and barite only in the hypertrophic tissue. The obtained results show that the composition of some of the solid particles (i.e. Ba, Zn, Fe and Ti) detected in the mucus from the surface of the hypertrophic tissues resembled the particles found in the hypertrophic tissue itself. It can be assumed that after the capture of the inhaled particles by the mucus, they penetrate into the deeper layers of tissue.
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Affiliation(s)
- Kristina Čabanová
- Center of Advanced Innovation Technologies, VŠB-Technical University of Ostrava, 17. listopadu 15/2172, Poruba, 708 33, Ostrava, Czech Republic.
| | - Oldřich Motyka
- Nanotechnology Centre, VŠB-Technical University of Ostrava, Ostrava, Czech Republic
| | - Lenka Čábalová
- Department of Otorhinolaryngology, Ostrava University Hospital, Ostrava, Czech Republic
- Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic
| | - Kamila Hrabovská
- Department of Physics, VŠB-Technical University of Ostrava, Ostrava, Czech Republic
| | - Hana Bielniková
- Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic
- Institute of Pathology, Ostrava University Hospital, Ostrava, Czech Republic
| | - Ľubomíra Kuzníková
- Center of Advanced Innovation Technologies, VŠB-Technical University of Ostrava, 17. listopadu 15/2172, Poruba, 708 33, Ostrava, Czech Republic
| | - Jana Dvořáčková
- Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic
| | - Karol Zeleník
- Department of Otorhinolaryngology, Ostrava University Hospital, Ostrava, Czech Republic
- Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic
| | - Pavel Komínek
- Department of Otorhinolaryngology, Ostrava University Hospital, Ostrava, Czech Republic
- Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic
| | - Jana Kukutschová
- Center of Advanced Innovation Technologies, VŠB-Technical University of Ostrava, 17. listopadu 15/2172, Poruba, 708 33, Ostrava, Czech Republic
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Urban particulate matter regulates tight junction proteins by inducing oxidative stress via the Akt signal pathway in human nasal epithelial cells. Toxicol Lett 2020; 333:33-41. [PMID: 32687961 DOI: 10.1016/j.toxlet.2020.07.017] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 06/17/2020] [Accepted: 07/11/2020] [Indexed: 12/12/2022]
Abstract
Recent studies have revealed that increased reactive oxidative stress (ROS) induced by particulate matter (PM) affects tight junction (TJ) functions; however, the molecular mechanisms underlying this effect have not been evaluated fully. Cultured human epithelial cells obtained from inferior turbinate tissues were exposed to an urban PM (UPM) standard reference material (SRM 1648a). Intracellular ROS level and expression of proinflammatory cytokines and TJ proteins were examined. Expression level of phosphorylated (p)-Akt, p38, p65 were compared between exposed and unexposed cells. Cells were pretreated with the ROS scavenger N-acetylcysteine (NAC) or Akt inhibitor MK-2206 before exposure to determine whether the changes in cellular ROS and TJ protein expression could be reversed. Exposure to UPM significantly increased ROS levels and inflammatory cytokine expression levels, and decreased expression of TJ proteins zonula occludins (ZO)-1, occludin, claudin-1, and E-cadherin. UPM exposure increased p-Akt, p-p38, and p65 expression levels, and NAC pretreatment reversed these effects. Akt inhibition decreased UPM-induced ROS formation and p38 and p65 protein phosphorylation, and restored the decreased ZO-1 and E-cadherin expression. Akt inhibition and ROS scavenging may provide targets for maintaining epithelial integrity by restoring decreased TJ protein expression during exposure to UPM.
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Zhang H, Zhu X, Liu X, Wang Y, Liu Y. Long non-coding RNA FOXD3-AS1 regulates the expression and secretion of IL-25 in nasal epithelial cells to inhibit Th2 type immunoreaction in allergic rhinitis. Mol Cell Biochem 2020; 473:239-246. [PMID: 32671514 DOI: 10.1007/s11010-020-03825-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 07/03/2020] [Indexed: 12/19/2022]
Abstract
Long non-coding RNA FOXD3-AS1 is associated with allergic rhinitis (AR). This article aims to demystify the role of FOXD3-AS1 in AR. We compared FOXD3-AS1 expression in nasal mucosas between AR patients and healthy control. Next, nasal epithelial cells (NECs) were incubated with lipopolysaccharide or recombinant IL-25, and then the supernatant of the NECs was incubated with CD4+ T cells. Th2 cell proportions were assessed by flow cytometry. The levels of gene and cytokines were detected by real-time quantitative PCR or enzyme linked immunosorbent assay. FOXD3-AS1 was downregulated in nasal mucosas of AR patients, whereas Th2 cell proportions and the levels of IL-25, IL-4, and IL-13 were enhanced in peripheral blood of AR patients. FOXD3-AS1 overexpression inhibited the expression and secretion of IL-25 in NECs. The levels of IL-4 and IL-13 and Th2 cell proportions in CD4+ T cells were enhanced by recombinant IL-25, which was effectively abolished by the supernatant of FOXD3-AS1-overexpressed NECs treatment. Our study demonstrates that FOXD3-AS1 is downregulated in nasal mucosas of AR patients, and FOXD3-AS1 represses the expression and secretion IL-25 in NECs, thereby inhibiting Th2 type immunoreaction in AR. Thus, our data provide a novel target gene for AR treatment.
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Affiliation(s)
- Hao Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Nanchang University, 1 Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Xinhua Zhu
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Nanchang University, 1 Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Xiao Liu
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Nanchang University, 1 Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Yaojie Wang
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Nanchang University, 1 Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Yuehui Liu
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Nanchang University, 1 Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China.
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Wang Ms J, Kang Ms X, Huang Ms ZQ, Shen Ms L, Luo Md Q, Li Ms MY, Luo Ms LP, Tu Ms JH, Han Ms M, Ye J. Protease-Activated Receptor-2 Decreased Zonula Occlidens-1 and Claudin-1 Expression and Induced Epithelial Barrier Dysfunction in Allergic Rhinitis. Am J Rhinol Allergy 2020; 35:26-35. [PMID: 32551923 DOI: 10.1177/1945892420932486] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Protease-activated receptor-2 (PAR-2)-modulated tight junctions (TJs) have been suggested to be involved in the pathogenesis of chronic inflammatory diseases. However, immunopathogenesis remains to be investigated among patients with allergic rhinitis (AR). OBJECTIVE This study sought to investigate the role of PAR-2 in the modulation of epithelial barrier function and the expression of TJs in the nasal mucosa of AR patients. METHODS The expression of TJs and PAR-2 of the nasal mucosa in AR patients and control subjects by immunohistochemistry, quantitative real-time polymerase chain reaction (qRT-PCR), and western blotting. In vitro, Primary human nasal epithelial cells (pHNECs) of AR patients were stimulated by Der p1 to analyze the correlation between PAR-2 and TJs expression. Der p1-induced pHNECs were treated with the PAR-2 agonist SLIGRL-NH2 and antagonist FSLLRY-NH2. Fluorescein isothiocyanate-dextran 4 kDa detection was employed as an indicator of epithelial permeability. RESULTS Lower expression levels of TJs in the nasal epithelium of AR patients were observed in comparison with that in control subjects. The PAR-2 level was markedly increased following treatment with 1,000 ng/mL of Der p1 for 24 hours in a cellular model of AR. The expression of PAR-2 was increased in Der p1-induced pHNECs of AR patients and correlated inversely with zonula occlidens (ZO)-1 and claudin-1. Treatment with Der p1 further downregulated TJs expression and promoted an increased epithelial permeability in Der p1-induced pHNECs. CONCLUSIONS PAR-2 could downregulate the expression of ZO-1 and claudin-1, which is involved in epithelial barrier dysfunction in AR.
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Affiliation(s)
- Jun Wang Ms
- Department of Otorhinolaryngology, Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Xue Kang Ms
- Department of Otorhinolaryngology, Jiangxi Children's Hospital, Nanchang, China
| | - Zhi-Qun Huang Ms
- Department of Otorhinolaryngology, Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Li Shen Ms
- Department of Otorhinolaryngology, Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Qing Luo Md
- Department of Otorhinolaryngology, Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Meng-Yue Li Ms
- Department of Otorhinolaryngology, Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Li-Ping Luo Ms
- Department of Otorhinolaryngology, Jiangxi Children's Hospital, Nanchang, China
| | - Jun-Hao Tu Ms
- Department of Otorhinolaryngology, Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Mei Han Ms
- Department of Otorhinolaryngology, Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jing Ye
- Department of Otorhinolaryngology, Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, China
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Bergougnan C, Dittlein DC, Hümmer E, Riepl R, Eisenbart S, Böck D, Griesbaum L, Weigl A, Damialis A, Hartwig A, Neumann AU, Zenk J, Traidl-Hoffmann C, Gilles S. Physical and immunological barrier of human primary nasal epithelial cells from non-allergic and allergic donors. World Allergy Organ J 2020; 13:100109. [PMID: 32180893 PMCID: PMC7063333 DOI: 10.1016/j.waojou.2020.100109] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 12/04/2019] [Accepted: 02/12/2020] [Indexed: 11/16/2022] Open
Abstract
The epithelial cell-derived cytokine milieu has been discussed as a “master switch” in the development of allergic disease. To understand the role of innate immune response in nasal epithelial cells during allergic inflammation, we created and established a fast and minimally invasive method to isolate and culture human nasal epithelial cells from clinically and immunologically well characterized patients. Human nasal epithelial cells from non-atopic volunteers and from allergic rhinitis patients were compared in respect to their growth, barrier integrity, pattern recognition, receptor expression, and immune responses to allergens and an array of pathogen-associated molecular patterns and inflammasome activators. Cells from nasal scrapings were clearly identified as nasal epithelial cells by staining of pan-Cytokeratin, Cytokeratin-14 and Tubulin. Additionally, Mucin 5AC staining revealed the presence of goblet cells, while staining of tight-junction protein Claudin-1, Occludin and ZO-1 showed the ability of the cells to form a tight barrier. Cells of atopic donors grew slower than cells of non-atopic donors. All nasal epithelial cells expressed TLR1-6 and 9, yet the expression of TLR-9 was lower in cells from allergic rhinitis (AR) donors. Additionally, epithelial cells from AR donors responded with a different TLR expression pattern to stimulation with TLR ligands. TLR-3 was the most potent modulator of cytokine and chemokine secretion in all human nasal epithelial cells (HNECs). The secretion of IL-1β, CCL-5, IL-8, IL-18 and IL-33 was elevated in HNECs of AR donors as compared to cells of non-atopic donors. This was observed in the steady-state (IL-18, IL-33) as well as under stimulation with TLR ligands (IL-18, IL-33, CCL-5, IL-8), aqueous pollen extracts (IL-18, IL-33), or the inflammasome activator Nigericin (IL-1β). In conclusion, nasal epithelial cells of AR donors show altered physical barrier responses in steady-state and in response to allergen stimulation. Cells of AR donors show increased expression of pro-inflammatory and IL-1 family cytokines at baseline and under stimulation, which could contribute to a micromilieu which is favorable for Th2.
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Key Words
- ALI, Air liquid interphase
- APE, Aqueous pollen extract
- AR, Allergic rhinitis
- Allergic rhinitis
- HDM, House dust mite
- HNEC, Human nasal epithelial cell
- Inflammation
- LPS, Lipopolysaccharide from E. Coli K12 (TLR-4 ligand)
- MyD88, Myeloid differentiation primary response 88
- Nasal epithelium
- PAMP, Pathogen-associated molecular pattern
- PRR, Pattern recognition receptor
- Pattern recognition receptor
- Pollen
- PolyIC, Polyinosinic–polycytidylic acid (TLR-3 ligand)
- SAR, Seasonal allergic rhinitis
- SEM, Scanning electron microscopy
- TER, Transepithelial electrical resistance
- TLR, Toll-like receptor
- TRIF, TIR-domain-containing adapter-inducing interferon-β
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Affiliation(s)
- Carolin Bergougnan
- Chair and Institute of Environmental Medicine, UNIKA-T, Technical University of Munich and HelmholtzZentrum München, Augsburg, Germany.,Christine-Kühne-Center for Allergy Research and Education (CK-Care), Davos, Switzerland
| | - Daniela C Dittlein
- Chair and Institute of Environmental Medicine, UNIKA-T, Technical University of Munich and HelmholtzZentrum München, Augsburg, Germany
| | - Elke Hümmer
- Department of Otolaryngology, Augsburg University Medical School, Augsburg, Germany
| | - Rosalie Riepl
- Chair and Institute of Environmental Medicine, UNIKA-T, Technical University of Munich and HelmholtzZentrum München, Augsburg, Germany
| | - Selina Eisenbart
- Chair and Institute of Environmental Medicine, UNIKA-T, Technical University of Munich and HelmholtzZentrum München, Augsburg, Germany
| | - Dominik Böck
- Chair and Institute of Environmental Medicine, UNIKA-T, Technical University of Munich and HelmholtzZentrum München, Augsburg, Germany
| | - Lena Griesbaum
- Chair and Institute of Environmental Medicine, UNIKA-T, Technical University of Munich and HelmholtzZentrum München, Augsburg, Germany
| | - Anna Weigl
- Chair and Institute of Environmental Medicine, UNIKA-T, Technical University of Munich and HelmholtzZentrum München, Augsburg, Germany
| | - Athanasios Damialis
- Chair and Institute of Environmental Medicine, UNIKA-T, Technical University of Munich and HelmholtzZentrum München, Augsburg, Germany
| | | | - Avidan U Neumann
- Chair and Institute of Environmental Medicine, UNIKA-T, Technical University of Munich and HelmholtzZentrum München, Augsburg, Germany
| | - Johannes Zenk
- Department of Otolaryngology, Augsburg University Medical School, Augsburg, Germany
| | - Claudia Traidl-Hoffmann
- Chair and Institute of Environmental Medicine, UNIKA-T, Technical University of Munich and HelmholtzZentrum München, Augsburg, Germany.,Christine-Kühne-Center for Allergy Research and Education (CK-Care), Davos, Switzerland
| | - Stefanie Gilles
- Chair and Institute of Environmental Medicine, UNIKA-T, Technical University of Munich and HelmholtzZentrum München, Augsburg, Germany
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Sugita K, Kabashima K. Tight junctions in the development of asthma, chronic rhinosinusitis, atopic dermatitis, eosinophilic esophagitis, and inflammatory bowel diseases. J Leukoc Biol 2020; 107:749-762. [PMID: 32108379 DOI: 10.1002/jlb.5mr0120-230r] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 01/12/2020] [Accepted: 01/26/2020] [Indexed: 02/06/2023] Open
Abstract
This review focuses on recent developments related to asthma, chronic rhinosinusitis, atopic dermatitis (AD), eosinophilic esophagitis, and inflammatory bowel diseases (IBD), with a particular focus on tight junctions (TJs) and their role in the pathogenetic mechanisms of these diseases. Lung, skin, and intestinal surfaces are lined by epithelial cells that interact with environmental factors and immune cells. Therefore, together with the cellular immune system, the epithelium performs a pivotal role as the first line physical barrier against external antigens. Paracellular space is almost exclusively sealed by TJs and is maintained by complex protein-protein interactions. Thus, TJ dysfunction increases paracellular permeability, resulting in enhanced flux across TJs. Epithelial TJ dysfunction also causes immune cell activation and contributes to the pathogenesis of chronic lung, skin, and intestinal inflammation. Characterization of TJ protein alteration is one of the key factors for enhancing our understanding of allergic diseases as well as IBDs. Furthermore, TJ-based epithelial disturbance can promote immune cell behaviors, such as those in dendritic cells, Th2 cells, Th17 cells, and innate lymphoid cells (ILCs), thereby offering new insights into TJ-based targets. The purpose of this review is to illustrate how TJ dysfunction can lead to the disruption of the immune homeostasis in barrier tissues and subsequent inflammation. This review also highlights the various TJ barrier dysfunctions across different organ sites, which would help to develop future drugs to target allergic diseases and IBD.
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Affiliation(s)
- Kazunari Sugita
- Division of Dermatology, Department of Medicine of Sensory and Motor Organs, Tottori University Faculty of Medicine, Yonago, Japan
| | - Kenji Kabashima
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
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Smith P, Koval M, Levy JM. Mucosal Barrier Defects: What Have We Learned from Atopic Dermatitis, Asthma, and Allergic Rhinitis? CURRENT OTORHINOLARYNGOLOGY REPORTS 2020. [DOI: 10.1007/s40136-020-00267-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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38
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Blocking histone deacetylase activity as a novel target for epithelial barrier defects in patients with allergic rhinitis. J Allergy Clin Immunol 2019; 144:1242-1253.e7. [PMID: 31082457 DOI: 10.1016/j.jaci.2019.04.027] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 03/29/2019] [Accepted: 04/24/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND A defective epithelial barrier is found in patients with allergic rhinitis (AR) and asthma; however, the underlying mechanisms remain poorly understood. Histone deacetylase (HDAC) activity has been identified as a crucial driver of allergic inflammation and tight junction dysfunction. OBJECTIVE We investigated whether HDAC activity has been altered in patients with AR and in a mouse model of house dust mite (HDM)-induced allergic asthma and whether it contributed to epithelial barrier dysfunction. METHODS Primary nasal epithelial cells of control subjects and patients with AR were cultured at the air-liquid interface to study transepithelial electrical resistance and paracellular flux of fluorescein isothiocyanate-dextran (4 kDa) together with mRNA expression and immunofluorescence staining of tight junctions. Air-liquid interface cultures were stimulated with different concentrations of JNJ-26481585, a broad-spectrum HDAC inhibitor. In vivo the effect of JNJ-26481585 on mucosal permeability and tight junction function was evaluated in a mouse model of HDM-induced allergic airway inflammation. RESULTS General HDAC activity was greater in nasal epithelial cells of patients with AR and correlated inversely with epithelial integrity. Treatment of nasal epithelial cells with JNJ-26481585 restored epithelial integrity by promoting tight junction expression and protein reorganization. HDM-sensitized mice were treated with JNJ-26481585 to demonstrate the in vivo role of HDACs. Treated mice did not have allergic airway inflammation and had no bronchial hyperreactivity. Moreover, JNJ-26481585 treatment restored nasal mucosal function by promoting tight junction expression. CONCLUSION Our findings identify increased HDAC activity as a potential tissue-injury mechanism responsible for dysregulated epithelial cell repair, leading to defective epithelial barriers in AR. Blocking HDAC activity is a promising novel target for therapeutic intervention in patients with airway diseases.
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Cilluffo G, Ferrante G, Fasola S, Montalbano L, Malizia V, Piscini A, Romaniello V, Silvestri M, Stramondo S, Stafoggia M, Ranzi A, Viegi G, La Grutta S. Associations of greenness, greyness and air pollution exposure with children's health: a cross-sectional study in Southern Italy. Environ Health 2018; 17:86. [PMID: 30518403 PMCID: PMC6282291 DOI: 10.1186/s12940-018-0430-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 11/23/2018] [Indexed: 05/21/2023]
Abstract
BACKGROUND Due to the complex interplay among different urban-related exposures, a comprehensive approach is advisable to estimate the health effects. We simultaneously assessed the effect of "green", "grey" and air pollution exposure on respiratory/allergic conditions and general symptoms in schoolchildren. METHODS This study involved 219 schoolchildren (8-10 years) of the Municipality of Palermo, Italy. Data were collected through questionnaires self-administered by parents and children. Exposures to greenness and greyness at the home addresses were measured using the normalized difference vegetation index (NDVI), residential surrounding greyness (RSG) and the CORINE land-cover classes (CLC). RSG was defined as the percentage of buffer covered by either industrial, commercial and transport units, or dump and construction sites, or urban fabric related features. Two specific categories of CLC, namely "discontinuous urban fabric - DUF" - and "continuous urban fabric - CUF" - areas were found. Exposure to traffic-related nitrogen dioxide (NO2) was assessed using a Land-Use Regression model. A symptom score ranging from 0 to 22 was built by summing affirmative answers to twenty-two questions on symptoms. To avoid multicollinearity, multiple Logistic and Poisson ridge regression models were applied to assess the relationships between environmental factors and self-reported symptoms. RESULTS A very low exposure to NDVI ≤0.15 (1st quartile) had a higher odds of nasal symptoms (OR = 1.47, 95% CI [1.07-2.03]). Children living in CUF areas had higher odds of ocular symptoms (OR = 1.49, 95% CI [1.10-2.03]) and general symptoms (OR = 1.18, 95% CI [1.00-1.48]) than children living in DUF areas. Children living in proximity (≤200 m) to High Traffic Roads (HTRs) had increased odds of ocular (OR = 1.68, 95% CI [1.31-2.17]) and nasal symptoms (OR = 1.49, 95% CI [1.12-1.98]). A very high exposure to NO2 ≥ 60 μg/m3 (4th quartile) was associated with a higher odds of general symptoms (OR = 1.28, 95% CI [1.10-1.48]). No associations were found with RGS. A Poisson ridge regression model on the symptom score showed that children living in proximity to HTRs (≤200 m) had a higher symptoms score (RR = 1.09, 95% CI [1.02-1.17]) than children living > 200 m from HTRs. Children living in CUF areas had a higher symptoms score (RR = 1.11, 95% CI [1.03-1.19]) than children living in DUF areas. CONCLUSIONS Multiple exposures related to greenness, greyness (measured by CORINE) and air pollution within the urban environment are associated with respiratory/allergic and general symptoms in schoolchildren. No associations were found when considering the individual exposure to greyness measured using the RSG indicator.
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Affiliation(s)
- Giovanna Cilluffo
- National Research Council, Institute of Biomedicine and Molecular Immunology, via Ugo La Malfa 153, 90146, Palermo, Italy
- Department of Economics, Business and Statistical Science, University of Palermo, viale delle Scienze, Ed. 13, 90128 Palermo, Italy
| | - Giuliana Ferrante
- Department of Science for Health Promotion and Mother and Child Care, University of Palermo, via del Vespro 129, 90127 Palermo, Italy
| | - Salvatore Fasola
- National Research Council, Institute of Biomedicine and Molecular Immunology, via Ugo La Malfa 153, 90146, Palermo, Italy
- Department of Economics, Business and Statistical Science, University of Palermo, viale delle Scienze, Ed. 13, 90128 Palermo, Italy
| | - Laura Montalbano
- National Research Council, Institute of Biomedicine and Molecular Immunology, via Ugo La Malfa 153, 90146, Palermo, Italy
- Department of Psychological, Pedagogical and Educational Sciences, University of Palermo, viale delle Scienze, Ed. 15, 90128 Palermo, Italy
| | - Velia Malizia
- National Research Council, Institute of Biomedicine and Molecular Immunology, via Ugo La Malfa 153, 90146, Palermo, Italy
| | - Alessandro Piscini
- National Institute of Geophysics and Volcanology, via di Vigna Murata 605, 00143 Rome, Italy
| | - Vito Romaniello
- National Institute of Geophysics and Volcanology, via di Vigna Murata 605, 00143 Rome, Italy
| | - Malvina Silvestri
- National Institute of Geophysics and Volcanology, via di Vigna Murata 605, 00143 Rome, Italy
| | - Salvatore Stramondo
- National Institute of Geophysics and Volcanology, via di Vigna Murata 605, 00143 Rome, Italy
| | - Massimo Stafoggia
- Department of Epidemiology, Latium Region Health Service, via Cristoforo Colombo, 112, 00147 Rome, Italy
| | - Andrea Ranzi
- Environmental Health Reference Centre, Regional Agency for Environmental Prevention of Emilia-Romagna, via Braghiroli 63, 41125 Modena, Italy
| | - Giovanni Viegi
- National Research Council, Institute of Biomedicine and Molecular Immunology, via Ugo La Malfa 153, 90146, Palermo, Italy
- National Research Council, Institute of Clinical Physiology, via Trieste 41, 56126 Pisa, Italy
| | - Stefania La Grutta
- National Research Council, Institute of Biomedicine and Molecular Immunology, via Ugo La Malfa 153, 90146, Palermo, Italy
- Department of Science for Health Promotion and Mother and Child Care, University of Palermo, via del Vespro 129, 90127 Palermo, Italy
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Paller AS, Spergel JM, Mina-Osorio P, Irvine AD. The atopic march and atopic multimorbidity: Many trajectories, many pathways. J Allergy Clin Immunol 2018; 143:46-55. [PMID: 30458183 DOI: 10.1016/j.jaci.2018.11.006] [Citation(s) in RCA: 231] [Impact Index Per Article: 38.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 11/12/2018] [Accepted: 11/14/2018] [Indexed: 02/08/2023]
Abstract
The atopic march recognizes the increased occurrence of asthma, allergic rhinitis, or both after atopic dermatitis (AD) onset. Mechanisms for developing atopic comorbidities after AD onset are poorly understood but can involve the impaired cutaneous barrier, which facilitates cutaneous sensitization. The association can also be driven or amplified in susceptible subjects by a systemic TH2-dominant immune response to cutaneous inflammation. However, these associations might merely involve shared genetic loci and environmental triggers, including microbiome dysregulation, with the temporal sequence reflecting tissue-specific peak time of occurrence of each disease, suggesting more of a clustering of disorders than a march. Prospective longitudinal cohort studies provide an opportunity to explore the relationships between postdermatitis development of atopic disorders and potential predictive phenotypic, genotypic, and environmental factors. Recent investigations implicate disease severity and persistence, age of onset, parental atopic history, filaggrin (FLG) mutations, polysensitization, and the nonrural environment among risk factors for development of multiple atopic comorbidities in young children with AD. Early intervention studies to repair the epidermal barrier or alter exposure to the microbiome or allergens might elucidate the relative roles of barrier defects, genetic locus alterations, and environmental exposures in the risk and sequence of occurrence of TH2 activation disorders.
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Affiliation(s)
- Amy S Paller
- Departments of Dermatology and Pediatrics, Northwestern University Feinberg School of Medicine and the Ann and Robert H Lurie Children's Hospital of Chicago, Chicago, Ill.
| | - Jonathan M Spergel
- Department of Pediatrics, Division of Allergy and Immunology, the Children's Hospital of Philadelphia, Philadelphia, Pa
| | | | - Alan D Irvine
- Paediatric Dermatology and the National Children's Research Centre, Our Lady's Children's Hospital Crumlin, and Clinical Medicine, Trinity College Dublin, Dublin, Ireland
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Tian T, Zi X, Peng Y, Wang Z, Hong H, Yan Y, Guan W, Tan KS, Liu J, Ong HH, Kang X, Yu J, Ong YK, Thong KT, Shi L, Ye J, Wang DY. H3N2 influenza virus infection enhances oncostatin M expression in human nasal epithelium. Exp Cell Res 2018; 371:322-329. [DOI: 10.1016/j.yexcr.2018.08.022] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 08/16/2018] [Accepted: 08/19/2018] [Indexed: 12/28/2022]
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London NR, Lina I, Ramanathan M. Aeroallergens, air pollutants, and chronic rhinitis and rhinosinusitis. World J Otorhinolaryngol Head Neck Surg 2018; 4:209-215. [PMID: 30506053 PMCID: PMC6251962 DOI: 10.1016/j.wjorl.2018.08.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 08/27/2018] [Indexed: 12/15/2022] Open
Abstract
Chronic rhinitis and rhinosinusitis are among the most common conditions worldwide with significant morbidity and decreased quality of life. Although the pathogenesis of these conditions is multifactorial, there has been increasing evidence for the role of environmental factors such as aeroallergens and air pollutants as initiating or exacerbating factors. This review will outline the current literature focusing on the role of aeroallergens and air pollution in the pathogenesis of chronic sinonasal inflammatory conditions.
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Affiliation(s)
| | | | - Murugappan Ramanathan
- Johns Hopkins Department of Otolaryngology – Head and Neck Surgery, Baltimore, MD 21287, USA
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