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Rivoal M, Dubuquoy L, Millet R, Leleu-Chavain N. Receptor Interacting Ser/Thr-Protein Kinase 2 as a New Therapeutic Target. J Med Chem 2023; 66:14391-14410. [PMID: 37857324 DOI: 10.1021/acs.jmedchem.3c00593] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
Receptor interacting serine/threonine protein kinase 2 (RIPK2) is a downstream signaling molecule essential for the activation of several innate immune receptors, including the NOD-like receptors (NOD1 and NOD2). Recognition of pathogen-associated molecular pattern proteins by NOD1/2 leads to their interaction with RIPK2, which induces release of pro-inflammatory cytokines through the activation of NF-κB and MAPK pathways, among others. Thus, RIPK2 has emerged as a key mediator of intracellular signal transduction and represents a new potential therapeutic target for the treatment of various conditions, including inflammatory diseases and cancer. In this Perspective, first, an overview of the mechanisms that underlie RIPK2 function will be presented along with its role in several diseases. Then, the existing inhibitors that target RIPK2 and different therapeutic strategies will be reviewed, followed by a discussion on current challenges and outlook.
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Affiliation(s)
- Morgane Rivoal
- Inserm, U1286 - INFINITE - Institute for Translational Research in Inflammation, University of Lille, F-59000 Lille, France
| | - Laurent Dubuquoy
- Inserm, U1286 - INFINITE - Institute for Translational Research in Inflammation, University of Lille, F-59000 Lille, France
| | - Régis Millet
- Inserm, U1286 - INFINITE - Institute for Translational Research in Inflammation, University of Lille, F-59000 Lille, France
| | - Natascha Leleu-Chavain
- Inserm, U1286 - INFINITE - Institute for Translational Research in Inflammation, University of Lille, F-59000 Lille, France
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Yi MH, Kim M, Yong TS, Kim JY. Investigating the microbiome of house dust mites in South Korea. FRONTIERS IN ALLERGY 2023; 4:1240727. [PMID: 37655177 PMCID: PMC10466795 DOI: 10.3389/falgy.2023.1240727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 08/08/2023] [Indexed: 09/02/2023] Open
Abstract
Understanding the house dust mites (HDMs) microbiome is crucial due to its potential effects on the development of allergic diseases. In 1998, our laboratory collected Dermatophagoides farinae and D. pteronyssinus from beds in a Korean household and began cultivating these HDMs. Our laboratory has been actively investigating several topics about HDMs in recent years, including the bacterial and fungal microbiome and their interactions, as well as the impact of the HDM microbiome on airway inflammation. To study the D. farinae microbiome, we employed high-throughput sequencing of the 16S rDNA amplicons. The results revealed that the two most abundant bacteria were Enterococcus faecalis and Bartonella spp. In contrast, we found almost no bacteria in D. pteronyssinus. By inoculating bacteria to HDMs, we found that D. farinae is more susceptible to bacteria than D. pteronyssinus. This susceptibility was associated with the presence of certain fungal species in D. pteronyssinus. Additionally, we have recently made efforts to produce HDMs with reduced levels of symbiotic bacteria. We believe that standardizing and controlling the microbiome in HDMs are crucial steps for the future development and improvement of allergic immunotherapies.
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Affiliation(s)
| | | | | | - Ju Yeong Kim
- Department of Tropical Medicine, Institute of Tropical Medicine, Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine, Seoul, Republic of Korea
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Kim JY, Yi MH, Kim M, Choi JH, Lee S, Yong TS. Production of Dermatophagoides farinae Having Low Bacterial Content Using Ampicillin. J Immunol Res 2023; 2023:9024595. [PMID: 37252681 PMCID: PMC10212681 DOI: 10.1155/2023/9024595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 04/26/2023] [Accepted: 05/05/2023] [Indexed: 05/31/2023] Open
Abstract
Background Symbiotic bacteria in house dust mites pose a risk of immunological side effects in the clinical use of immunotherapeutic agents. In this study, we investigated the duration for which the bacterial concentration in Dermatophagoides farinae could be kept low with antibiotic treatment, and whether the allergenic properties of the mite changed under ampicillin treatment. Methods D. farinae was cultivated in the presence of ampicillin powder in an autoclaved medium for 6 weeks. After subsequent subcultures without ampicillin, the mites were harvested, and the extract was prepared. The amounts of bacteria, lipopolysaccharides (LPS), and two major allergens (Der f 1 and Der f 2) were measured. Human bronchial epithelial cells and mice were treated with the D. farinae extract to assess the allergic airway inflammation. Results The number of bacteria and level of LPS were reduced by 150-fold and 33-fold, respectively, at least 18 weeks after ampicillin treatment. The concentration of Der f 1 and Der f 2 remained unchanged by ampicillin treatment. The secretion of interleukin (IL)-6 and IL-8 from the human airway epithelial cells decreased when treated with the extract of ampicillin-treated D. farinae compared with that of ampicillin-untreated D. farinae. A mouse asthma model was developed using ampicillin-treated D. farinae. We observed that the level of lung function, airway inflammation, and serum-specific immunoglobulin were not different for the mouse asthma model developed using ampicillin-treated D. farinae than the model developed using ampicillin-untreated D. farinae. Conclusions We showed that bacterial content in D. farinae was reduced by ampicillin treatment, which was sufficient to induce allergic sensitization and an immune response. This method will be used to develop more controlled allergy immunotherapeutic agents.
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Affiliation(s)
- Ju Yeong Kim
- Department of Environmental Medical Biology, Institute of Tropical Medicine and Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Myung-hee Yi
- Department of Environmental Medical Biology, Institute of Tropical Medicine and Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Myungjun Kim
- Department of Environmental Medical Biology, Institute of Tropical Medicine and Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Jun Ho Choi
- Department of Environmental Medical Biology, Institute of Tropical Medicine and Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Seogwon Lee
- Department of Environmental Medical Biology, Institute of Tropical Medicine and Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Tai-Soon Yong
- Department of Environmental Medical Biology, Institute of Tropical Medicine and Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
- Institute of Allergy, Yonsei University College of Medicine, Seoul, Republic of Korea
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Liu J, Luo L, Xu Z, Yang X, Yu J, He K, Hong S. NOD1 mediated D. pteronyssinus-induced allergic airway inflammation through RIP2/NF-κB. Immunobiology 2023; 228:152394. [PMID: 37224660 DOI: 10.1016/j.imbio.2023.152394] [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: 11/28/2022] [Revised: 05/01/2023] [Accepted: 05/09/2023] [Indexed: 05/26/2023]
Abstract
BACKGROUND Dermatophagoides pteronyssinus (D. pteronyssinus) is the main cause of allergic airway inflammation. As the earliest intracytoplasmic pathogen recognition receptors (PRR), NOD1 has been identified as key inflammatory mediator in NOD-like receptor (NLR) family. OBJECTIVE Our primary aim is to elucidate whether NOD1 and its downstream regulatory proteins mediate D. pteronyssinus-induced allergic airway inflammation. METHODS Mouse and cell models of D. pteronyssinus-induced allergic airway inflammation were established. NOD1 was inhibited in bronchial epithelium cells (BEAS-2B cells) and mice by cell transfection or application of inhibitor. The change of downstream regulatory proteins was detected by quantitative real-time PCR (qRT-PCR) and Western blot. The relative expression of inflammatory cytokines was evaluated by ELISA. RESULTS The expression level of NOD1 and its downstream regulatory proteins increased in BEAS-2B cells and mice after treating with D. pteronyssinus extract, followed by the aggravation of inflammatory response. Moreover, inhibition of NOD1 decreased the inflammatory response, which also downregulated the expression of downstream regulatory proteins and inflammatory cytokines. CONCLUSIONS NOD1 involves in the development of D. pteronyssinus-induced allergic airway inflammation. Inhibition of NOD1 reduces D. pteronyssinus-induced airway inflammation.
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Affiliation(s)
- Jiaxi Liu
- Graduate School of Nanjing Medical University, Nanjing, 101Longmian Avenue, Jiangning District, Nanjing 211166, Jiangsu Province, China
| | - Liang Luo
- Department of Critical Care Medicine, Wuxi No.2 People's Hospital affiliated Wuxi Clinical College of Nantong University, No. 68 Zhongshan Road, Wuxi 214002, Jiangsu Province, China
| | - Zuyu Xu
- Graduate School of Nanjing Medical University, Nanjing, 101Longmian Avenue, Jiangning District, Nanjing 211166, Jiangsu Province, China
| | - Xiucheng Yang
- Graduate School of Nanjing Medical University, Nanjing, 101Longmian Avenue, Jiangning District, Nanjing 211166, Jiangsu Province, China
| | - Jinyan Yu
- Graduate School of Nanjing Medical University, Nanjing, 101Longmian Avenue, Jiangning District, Nanjing 211166, Jiangsu Province, China
| | - Kaiyue He
- Department of Clinical Laboratory, Wuxi No.2 People's Hospital affiliated Wuxi Clinical College of Nantong University, No. 68 Zhongshan Road, Wuxi 214002, Jiangsu Province, China
| | - Shanchao Hong
- Department of Clinical Laboratory, Wuxi No.2 People's Hospital affiliated Wuxi Clinical College of Nantong University, No. 68 Zhongshan Road, Wuxi 214002, Jiangsu Province, China.
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Jacquet A. The HDM allergen orchestra and its cysteine protease maestro: Stimulators of kaleidoscopic innate immune responses. Mol Immunol 2023; 156:48-60. [PMID: 36889186 DOI: 10.1016/j.molimm.2023.03.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 01/29/2023] [Accepted: 03/01/2023] [Indexed: 03/08/2023]
Abstract
House dust mite (HDM) encloses an explosive cocktail of allergenic proteins sensitizing hundreds of millions of people worldwide. To date, the innate cellular and molecular mechanism(s) orchestrating the HDM-induced allergic inflammation remains partially deciphered. Understanding the kaleidoscope of HDM-induced innate immune responses is hampered by (1) the large complexity of the HDM allergome with very diverse functional bioreactivities, (2) the perpetual presence of microbial compounds (at least LPS, β-glucan, chitin) promoting as well pro-Th2 innate signaling pathways and (3) multiple cross-talks involving structural, neuronal and immune cells. The present review provides an update on the innate immune properties, identified so far, of multiple HDM allergen groups. Experimental evidence highlights the importance of HDM allergens displaying protease or lipid-binding activities on the initiation of the allergic responses. Specifically, group 1 HDM cysteine proteases are considered as the key initiators of the allergic response through their capacities to impair the epithelial barrier integrity, to stimulate the release of pro-Th2 danger-associated molecular patterns (DAMPs) in epithelial cells, to produce super-active forms of IL-33 alarmin and to mature thrombin leading to Toll-like receptor 4 (TLR4) activation. Remarkably, the recently evidenced primary sensing of cysteine protease allergens by nociceptive neurons confirms the critical role of this HDM allergen group in the early events leading to Th2 differentiation.
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Affiliation(s)
- Alain Jacquet
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
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NOD2 Signaling Circuitry during Allergen Sensitization Does Not Worsen Experimental Neutrophilic Asthma but Promotes a Th2/Th17 Profile in Asthma Patients but Not Healthy Subjects. Int J Mol Sci 2022; 23:ijms231911894. [PMID: 36233196 PMCID: PMC9569442 DOI: 10.3390/ijms231911894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 09/28/2022] [Accepted: 09/29/2022] [Indexed: 11/16/2022] Open
Abstract
Nucleotide-binding oligomerization domain 2 (NOD2) recognizes pathogens associated with the development of asthma. Moreover, NOD2 adjuvants are used in vaccine design to boost immune responses. Muramyl di-peptide (MDP) is a NOD2 ligand, which is able to promote Th2/Th17 responses. Furthermore, polymorphisms of the NOD2 receptor are associated with allergy and asthma development. This study aimed to evaluate if MDP given as an adjuvant during allergen sensitization may worsen the development of Th2/Th17 responses. We used a mouse model of Th2/Th17-type allergic neutrophil airway inflammation (AAI) to dog allergen, with in vitro polarization of human naive T cells by dendritic cells (DC) from healthy and dog-allergic asthma subjects. In the mouse model, intranasal co-administration of MDP did not modify the AAI parameters, including Th2/Th17-type lung inflammation. In humans, MDP co-stimulation of allergen-primed DC did not change the polarization profile of T cells in healthy subjects but elicited a Th2/Th17 profile in asthma subjects, as compared with MDP alone. These results support the idea that NOD2 may not be involved in the infection-related development of asthma and that, while care has to be taken in asthma patients, NOD2 adjuvants might be used in non-sensitized individuals.
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Alvarez-Simon D, Ait Yahia S, de Nadai P, Audousset C, Chamaillard M, Boneca IG, Tsicopoulos A. NOD-like receptors in asthma. Front Immunol 2022; 13:928886. [PMID: 36189256 PMCID: PMC9515552 DOI: 10.3389/fimmu.2022.928886] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 08/23/2022] [Indexed: 12/28/2022] Open
Abstract
Asthma is an extremely prevalent chronic inflammatory disease of the airway where innate and adaptive immune systems participate collectively with epithelial and other structural cells to cause airway hyperresponsiveness, mucus overproduction, airway narrowing, and remodeling. The nucleotide-binding oligomerization domain (NOD)-like receptors (NLRs) are a family of intracellular innate immune sensors that detect microbe-associated molecular patterns and damage-associated molecular patterns, well-recognized for their central roles in the maintenance of tissue homeostasis and host defense against bacteria, viruses and fungi. In recent times, NLRs have been increasingly acknowledged as much more than innate sensors and have emerged also as relevant players in diseases classically defined by their adaptive immune responses such as asthma. In this review article, we discuss the current knowledge and recent developments about NLR expression, activation and function in relation to asthma and examine the potential interventions in NLR signaling as asthma immunomodulatory therapies.
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Affiliation(s)
- Daniel Alvarez-Simon
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR9017-CIIL-Centre d’Infection et d’Immunité de Lille, Lille, France
| | - Saliha Ait Yahia
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR9017-CIIL-Centre d’Infection et d’Immunité de Lille, Lille, France
| | - Patricia de Nadai
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR9017-CIIL-Centre d’Infection et d’Immunité de Lille, Lille, France
| | - Camille Audousset
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR9017-CIIL-Centre d’Infection et d’Immunité de Lille, Lille, France
| | - Mathias Chamaillard
- Laboratory of Cell Physiology, INSERM U1003, University of Lille, Lille, France
| | - Ivo Gomperts Boneca
- Institut Pasteur, Université Paris Cité, CNRS UMR 6047, INSERM U1306, Unité Biologie et génétique de la paroi bactérienne, Paris, France
| | - Anne Tsicopoulos
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR9017-CIIL-Centre d’Infection et d’Immunité de Lille, Lille, France
- *Correspondence: Anne Tsicopoulos,
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Xu Z, Ye Y, Huang G, Li Y, Guo X, Li L, Wu Y, Xu W, Nian S, Yuan Q. EphA2 recognizes Dermatophagoidespteronyssinus to mediate airway inflammation in asthma. Int Immunopharmacol 2022; 111:109106. [PMID: 35969898 DOI: 10.1016/j.intimp.2022.109106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/22/2022] [Accepted: 07/26/2022] [Indexed: 11/05/2022]
Abstract
Most of the asthma with low Th2 is severe steroid-resistant asthma, the exact pathogenesis of which has not yet been fully elucidated. We found that IL-6 and IL-8 were highly expressed in the sputum supernatant of severe asthma and ephrin type-A receptor 2 (EphA2) was highly expressed on bronchial epithelial cells. So, is there a connection between these two phenomena? To clarify this issue, we stimulated bronchial epithelial cells 16HBE with Dermatophagoides pteronyssinus and its compontents LPS, respectively, and detected the activation of EphA2, activation of downstream pathways and secretion of inflammatory cytokines. A mouse asthma model was established, and the therapeutic effects of inhibiting or blocking EphA2 on mouse asthma were investigated. The results showed that D. pteronyssinus and its component LPS phosphorylated EphA2 on 16HBE, activated downstream signaling pathways STAT3 and p38 MAPK, and promoted the secretion of IL-6 and IL-8. After knockout of EphA2 on 16HBE, the activation of inflammatory pathways was attenuated and the secretion of IL-6 and IL-8 was significantly reduced. Inhibition or blockade of EphA2 on mouse airways resulted in a significant reduction in airway hyperresponsiveness and airway inflammation, and a significant decrease in the expression levels of IL-6, IL-17F, IL-1α, IL-1β and TNF in bronchoalveolar lavage fluid and lung tissue. Our study uncovers a novel role for EphA2 expressed on airway epithelial cells in the pathogenesis of asthma; EphA2 recognizes D. pteronyssinus or its component LPS and promotes the secretion of IL-6 and IL-8 by airway epithelial cell, thereby mediating airway inflammation. Thus, it is possible to provide a new molecular therapy for severe asthma.
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Affiliation(s)
- Zixi Xu
- Immune Mechanism and Therapy of Major Diseases of Luzhou Key Laboratory, Public Center of Experimental Technology, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China; Medical Laboratory, Sichuan Science City Hospital, Mianyang, Sichuan, China.
| | - Yingchun Ye
- Immune Mechanism and Therapy of Major Diseases of Luzhou Key Laboratory, Public Center of Experimental Technology, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China.
| | - Guoping Huang
- Zigong Hospital of Woman and Children Healthcare, Sichuan, China.
| | - Yi Li
- Immune Mechanism and Therapy of Major Diseases of Luzhou Key Laboratory, Public Center of Experimental Technology, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China.
| | - Xiyuan Guo
- Immune Mechanism and Therapy of Major Diseases of Luzhou Key Laboratory, Public Center of Experimental Technology, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China.
| | - Lin Li
- Immune Mechanism and Therapy of Major Diseases of Luzhou Key Laboratory, Public Center of Experimental Technology, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China.
| | - Yuchuan Wu
- Immune Mechanism and Therapy of Major Diseases of Luzhou Key Laboratory, Public Center of Experimental Technology, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China.
| | - Wenfeng Xu
- Immune Mechanism and Therapy of Major Diseases of Luzhou Key Laboratory, Public Center of Experimental Technology, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China.
| | - Siji Nian
- Immune Mechanism and Therapy of Major Diseases of Luzhou Key Laboratory, Public Center of Experimental Technology, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China.
| | - Qing Yuan
- Immune Mechanism and Therapy of Major Diseases of Luzhou Key Laboratory, Public Center of Experimental Technology, School of Basic Medical Sciences, Southwest Medical University, Luzhou 646000, China.
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Live attenuated pertussis vaccine for prevention and treatment of allergic airway inflammation in mice. NPJ Vaccines 2022; 7:66. [PMID: 35739108 PMCID: PMC9226346 DOI: 10.1038/s41541-022-00494-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 05/27/2022] [Indexed: 11/09/2022] Open
Abstract
Live attenuated vaccines often have beneficial non-specific effects, protecting against heterologous infectious and non-infectious diseases. We have developed a live attenuated pertussis vaccine, named BPZE1, currently in advanced clinical development. Here, we examined the prophylactic and therapeutic potential of its pertactin-deficient derivative BPZE1P in a mouse model of house dust mite (HDM)-induced allergic airway inflammation (AAI). BPZE1P was given nasally either before or after sensitization with HDM, followed by HDM challenge, or between two challenge episodes. Vaccination prior to sensitization reduced resistance in the airways, the numbers of infiltrating eosinophils and the concentrations of proinflammatory cytokines, such as IL-1α, IL-1β and IL-33, in the lungs but had no effect on Th2 cytokine levels. BPZE1P also protected when delivered after sensitization or between two challenge episodes. However, in this case the levels of Th2 cytokines in the lung were decreased without significant effects on IL-1α, IL-1β and IL-33 production. The vaccine restored lung function and decreased eosinophil influx in the lungs of HDM-treated mice. BPZE1P has a better take than BPZE1 in hosts vaccinated with acellular pertussis vaccines. Therefore, it has interesting potential as a preventive and therapeutic agent against AAI, even in acellular pertussis-vaccinated populations.
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