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Park JY, Lee JW, Oh ES, Song YN, Kang MJ, Ryu HW, Kim DY, Oh SR, Lee J, Choi J, Kim N, Kim MO, Hong ST, Lee SU. Daphnetin alleviates allergic airway inflammation by inhibiting T-cell activation and subsequent JAK/STAT6 signaling. Eur J Pharmacol 2024; 979:176826. [PMID: 39033840 DOI: 10.1016/j.ejphar.2024.176826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 06/21/2024] [Accepted: 07/18/2024] [Indexed: 07/23/2024]
Abstract
Allergic asthma is a major health burden on society as a chronic respiratory disease characterized by inflammation and muscle tightening around the airways in response to inhaled allergens. Daphne kiusiana Miquel is a medicinal plant that can suppress allergic airway inflammation; however, its specific molecular mechanisms of action are unclear. In this study, we aimed to elucidate the mechanisms by which D. kiusiana inhibits allergic airway inflammation. We evaluated the anti-inflammatory effects of the ethyl acetate (EA) fraction of D. kiusiana and its major compound, daphnetin, on murine T lymphocyte EL4 cells stimulated with phorbol 12-myristate 13-acetate and ionomycin in vitro and on asthmatic mice stimulated with ovalbumin in vivo. The EA fraction and daphnetin inhibited T-helper type 2 (Th2) cytokine secretion, serum immunoglobulin E production, mucus secretion, and inflammatory cell recruitment in vivo. In vitro, daphnetin suppressed intracellular Ca2+ mobilization (a critical regulator of nuclear factor of activated T cells) and functions of the activator protein 1 transcription factor to reduce interleukin (IL)-4 and IL-13 expression. Daphnetin effectively suppressed the IL-4/-13-induced activation of Janus kinase (JAK)/signal transducer and activator of transcription 6 (STAT6) signaling in vitro and in vivo, thereby inhibiting the expression of GATA3 and PDEF, two STAT6-target genes responsible for producing Th2 cytokines and mucins. These findings indicate that daphnetin suppresses allergic airway inflammation by stabilizing intracellular Ca2+ levels and subsequently inactivating the JAK/STAT6/GATA3/PDEF pathway, suggesting that daphnetin is a promising alternative to existing asthma treatments.
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Affiliation(s)
- Ji-Yoon Park
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea; Department of Anatomy & Cell Biology, Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea.
| | - Jae-Won Lee
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
| | - Eun Sol Oh
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea; College of Bioscience and Biotechnology, Chungnam National University, Daejeon, 34134, Republic of Korea.
| | - Yu Na Song
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea; College of Bioscience and Biotechnology, Chungnam National University, Daejeon, 34134, Republic of Korea.
| | - Myung-Ji Kang
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
| | - Hyung Won Ryu
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
| | - Doo-Young Kim
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
| | - Sei-Ryang Oh
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
| | - Juhyun Lee
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
| | - Jinseon Choi
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
| | - Namho Kim
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea; Department of Anatomy & Cell Biology, Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea.
| | - Mun-Ock Kim
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
| | - Sung-Tae Hong
- Department of Anatomy & Cell Biology, Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea.
| | - Su Ui Lee
- Natural Product Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, 28116, Republic of Korea.
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Radan M, Abol Nejadian F, Bayati V, Hemmati AA, Hoseinynejad K, Mard SA. N-acetyl cysteine augments adipose tissue-derived stem cell efficacy on inflammatory markers and regulatory T cell system balance in an allergic asthma model. J Asthma 2024; 61:1029-1041. [PMID: 38376812 DOI: 10.1080/02770903.2024.2321296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 02/05/2024] [Accepted: 02/15/2024] [Indexed: 02/21/2024]
Abstract
BACKGROUND Allergic asthma is a destructive inflammatory process in the respiratory system. The anti-inflammatory and antioxidant effects of N-acetylcysteine (NAC) have been reported in patients with obstructive pulmonary disease. On the other hand, several studies have shown the modulatory effects of mesenchymal stem cells on the immune system and inflammatory responses. Accordingly, the purpose of the current study was to evaluate the effect of administration of adipose tissue-derived stem cells (ADSCs) plus NAC on regulatory T cell system balance in an allergic asthma model. METHODS Eighty Sprague- Dawley rats were randomly divided into the following groups: Control, Plasmalite, Allergic asthma, Allergic asthma + ADSCs, NAC, Allergic asthma + NAC, Allergic asthma + ADSCs + NAC and Allergic asthma + Prednisolone. at the end of the experiment, arterial blood gas analysis, inflammatory cell counts in bronchoalveolar lavage fluid (BALF), inflammatory cytokine concentration, total IgE and specific OVA-IgE levels, gene expression levels of CD4+-T cell subsets, pulmonary indicators, edema, and lung histopathology were evaluated in all groups. RESULTS Administration of NAC plus ADSCs demonstrated a significant decrease in total WBC and eosinophil counts, which was in line with remarkable decrease in IL-17 and TNF-α concentrations and increases in IL-10 level compared with other treated groups. NAC plus ADSC treatment showed significant increases in Treg gene expression, although Th17 and Th2 expression significantly decreased compared with that in prednisolone- treated rats. CONCLUSION The results of the present study documented that the administration of ADSCs plus NAC has an inhibitory effect on the inflammation caused by allergic asthma in a rat model. The improvement of inflammatory indexes was significantly higher than that with prednisolone treatment.
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Affiliation(s)
- Maryam Radan
- Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Farhad Abol Nejadian
- Department of Pediatrics, Abuzar Children's Hospital, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Vahid Bayati
- Cellular and Molecular Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ali Asghar Hemmati
- Department of Pharmacology, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Khojasteh Hoseinynejad
- Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Seyyed Ali Mard
- Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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Saheb Sharif-Askari N, Mdkhana B, Hafezi S, Khalil BA, Al-Sheakly BK, Halwani H, Saheb Sharif-Askari F, Halwani R. Calprotectin is regulated by IL-17A and induces steroid hyporesponsiveness in asthma. Inflamm Res 2024:10.1007/s00011-024-01937-x. [PMID: 39212675 DOI: 10.1007/s00011-024-01937-x] [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: 06/12/2024] [Revised: 07/25/2024] [Accepted: 08/18/2024] [Indexed: 09/04/2024] Open
Abstract
BACKGROUND Calprotectin, a calcium-binding protein, plays a crucial role in inflammation and has been associated with various inflammatory diseases, including asthma. However, its regulation and impact on steroid hyporesponsiveness, especially in severe asthma, remain poorly understood. METHODS This study investigated the regulation of calprotectin proteins (S100A8 and S100A9) by IL-17 and its role in steroid hyporesponsiveness using in vitro and in vivo models. Calprotectin expression was assessed in primary bronchial fibroblasts from healthy controls and severe asthmatic patients, as well as in mouse models of steroid hyporesponsive lung inflammation induced by house dust mite (HDM) allergen and cyclic-di-GMP (cdiGMP) adjuvant. The effects of IL-17A stimulation on calprotectin expression and steroid response markers in bronchial epithelial and fibroblast cells were examined. Additionally, the therapeutic potential of paquinimod, a calprotectin inhibitor, in mitigating airway inflammation and restoring steroid response signatures in the mouse model was evaluated. RESULTS The results demonstrated upregulation of calprotectin expression in asthmatic bronchial fibroblasts compared to healthy controls, as well as in refractory asthma samples compared to non-refractory asthma. IL-17 stimulation induced calprotectin expression and dysregulated glucocorticoid response signatures in lung epithelial and fibroblast cells. Treatment with paquinimod reversed IL-17-induced dysregulation of steroid signatures, indicating the involvement of calprotectin in this process. In the HDM/cdiGMP mouse model, paquinimod significantly attenuated airway inflammation and hyperresponsiveness, and restored steroid response signatures, whereas dexamethasone showed limited efficacy. Mechanistically, paquinimod inhibited MAPK/ERK and NF-κB pathways downstream of calprotectin, leading to reduced lung inflammation. CONCLUSION These findings highlight calprotectin as a potential therapeutic target regulated by IL-17 in steroid hyporesponsive asthma. Targeting calprotectin may offer a promising approach to alleviate airway inflammation and restore steroid responsiveness in severe asthma. Further investigations are warranted to explore its therapeutic potential in clinical settings and elucidate its broader implications in steroid mechanisms of action.
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Affiliation(s)
- Narjes Saheb Sharif-Askari
- Research Institute for Medical and Health Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Bushra Mdkhana
- Research Institute for Medical and Health Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Shirin Hafezi
- Research Institute for Medical and Health Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Bariaa A Khalil
- Research Institute for Medical and Health Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Baraa Khalid Al-Sheakly
- Research Institute for Medical and Health Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Hala Halwani
- Research Institute for Medical and Health Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Fatemeh Saheb Sharif-Askari
- Research Institute for Medical and Health Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Department of Pharmacy Practice and Pharmacotherapeutics, College of Pharmacy, University of Sharjah, Sharjah, United Arab Emirates
| | - Rabih Halwani
- Research Institute for Medical and Health Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates.
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates.
- Department of Pediatrics, Faculty of Medicine, Prince Abdullah Ben Khaled Celiac Disease Research Chair, King Saud University, Riyadh, Saudi Arabia.
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Kim H, Choi J, Seo J, Lim H, Kang SK. CKD-497 inhibits NF-kB signaling and ameliorates inflammation and pulmonary fibrosis in ovalbumin-induced asthma and particulate matter-induced airway inflammatory diseases. Front Pharmacol 2024; 15:1428567. [PMID: 39170711 PMCID: PMC11336248 DOI: 10.3389/fphar.2024.1428567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Accepted: 07/26/2024] [Indexed: 08/23/2024] Open
Abstract
Introduction: Air pollution, allergens, and bacterial infections are major contributors to pathological respiratory disorders worldwide. CKD-497, derived from the rhizome of Atractylodes japonica and the fruits of Schisandra chinensis, is known for its ability to relieve cough and facilitate phlegm expectoration. However, its protective action against allergic asthma and fine dust-induced lung inflammation, along with its underlying mechanisms, have not been thoroughly investigated. Methods: In this study, we established mouse models of ovalbumin (OVA)-induced asthma and particulate matter (PM)-induced pulmonary inflammation to evaluate the effects of CKD-497. Mice were administered CKD-497 orally, and various parameters such as airway inflammation, mucus production, and proinflammatory cytokine levels (IL-1β, IL-6, TNF-α) were measured. Additionally, the macrophage cell line RAW264.7 was pretreated with CKD-497 and stimulated with lipopolysaccharide (LPS) to assess inflammation via the NF-kB signaling pathway. Results: Oral administration of CKD-497 effectively attenuated airway inflammation and mucus production in both OVA-induced asthma and PM-induced lung inflammation models. It also significantly decreased the production of proinflammatory cytokines IL-1β, IL-6, and TNF-α. CKD-497 alleviated leukocyte infiltration, including neutrophils, and reduced fibrillary collagen deposition in PM10-treated mice. In vitro, CKD-497 pretreatment inhibited LPS-induced inflammation in RAW264.7 cells through the suppression of the NF-kB signaling pathway. Discussion: CKD-497 shows potent anti-inflammatory effects in mouse models of asthma and PM-induced lung inflammation, potentially mediated by the inhibition of the NF-kB pathway. These findings suggest that CKD-497 could serve as a functional supplement to protect against respiratory diseases by mitigating pulmonary and airway inflammation induced by allergens and air pollution.
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Affiliation(s)
- Hyejeong Kim
- Department of Synthetic Chemistry, Chong Kun Dang Research Institute, Yongin-si, Gyeonggi-do, Republic of Korea
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Tagé BSS, Gonzatti MB, Vieira RP, Keller AC, Bortoluci KR, Aimbire F. Three Main SCFAs Mitigate Lung Inflammation and Tissue Remodeling Nlrp3-Dependent in Murine HDM-Induced Neutrophilic Asthma. Inflammation 2024; 47:1386-1402. [PMID: 38329636 DOI: 10.1007/s10753-024-01983-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 01/25/2024] [Accepted: 01/26/2024] [Indexed: 02/09/2024]
Abstract
Neutrophilic asthma is generally defined by poorly controlled symptoms and high levels of neutrophils in the lungs. Short-chain fatty acids (SCFAs) are proposed as nonpharmacological therapy for allergic asthma, but their impact on the neutrophilic asthma lacks evidence. SCFAs regulate immune cell responses and impact the inflammasome NLRP3, a potential pharmacological target for neutrophilic asthma. Here, we explored the capacity of SCFAs to mitigate murine-induced neutrophilic asthma and the contribution of NLRP3 to this asthma. The objective of this study is to analyze whether SCFAs can attenuate lung inflammation and tissue remodeling in murine neutrophilic asthma and NLRP3 contribution to this endotype. Wild-type (WT) C57BL6 mice orotracheally received 10 μg of HDM (house dust mite) in 80 μL of saline on days 0, 6-10. To explore SCFAs, each HDM group received 200 mM acetate, propionate, or butyrate. To explore NLRP3, Nlrp3 KO mice received the same protocol of HDM. On the 14th day, after euthanasia, bronchoalveolar lavage fluid (BALF) and lungs were collected to evaluate cellularity, inflammatory cytokines, and tissue remodeling. HDM group had increased BALF neutrophil influx, TNF-α, IFN-γ, IL-17A, collagen deposition, and mucus secretion compared to control. SCFAs distinctively attenuate lung inflammation. Only features of tissue remodeling were Nlrp3-dependent such as collagen deposition, mucus secretion, active TGF-β cytokine, and IMs CD206+. SCFAs greatly decreased inflammatory cytokines and tissue remodeling. Only tissue remodeling was dependent on NLRP3. It reveals the potential of SCFAs to act as an additional therapy to mitigate neutrophilic asthma and the NLRP3 contribution to asthma.
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Affiliation(s)
- Barbara S S Tagé
- Department of Science and Technology, Federal University of São Paulo (UNIFESP), São José dos Campos, SP, 12247-014, Brazil.
| | - Michelangelo B Gonzatti
- Department of Microbiology, Immunology and Parasitology, Federal University of São Paulo (UNIFESP), São Paulo, SP, 05468-901, Brazil
| | - Rodolfo P Vieira
- Postgraduate Program in Human Movement and Rehabilitation and in Pharmaceutical Sciences, Evangelical University of Goiás (UniEvangélica), Anápolis, GO, 75083-515, Brazil
- Postgraduate Program in Bioengineering, University Brasil, São Paulo, SP, 08230-030, Brazil
- Postgraduate Program in Sciences of Human Movement and Rehabilitation, Federal University of São Paulo (UNIFESP), Santos, SP, 11010-150, Brazil
| | - Alexandre C Keller
- Department of Microbiology, Immunology and Parasitology, Federal University of São Paulo (UNIFESP), São Paulo, SP, 05468-901, Brazil
| | - Karina R Bortoluci
- Department of Pharmacology, Federal University of São Paulo (UNIFESP), São Paulo, SP, 04023-062, Brazil
| | - Flávio Aimbire
- Department of Science and Technology, Federal University of São Paulo (UNIFESP), São José dos Campos, SP, 12247-014, Brazil
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Hargitai R, Parráková L, Szatmári T, Monfort-Lanzas P, Galbiati V, Audouze K, Jornod F, Staal YCM, Burla S, Chary A, Gutleb AC, Lumniczky K, Vandebriel RJ, Gostner JM. Chemical respiratory sensitization-Current status of mechanistic understanding, knowledge gaps and possible identification methods of sensitizers. FRONTIERS IN TOXICOLOGY 2024; 6:1331803. [PMID: 39135743 PMCID: PMC11317441 DOI: 10.3389/ftox.2024.1331803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 05/27/2024] [Indexed: 08/15/2024] Open
Abstract
Respiratory sensitization is a complex immunological process eventually leading to hypersensitivity following re-exposure to the chemical. A frequent consequence is occupational asthma, which may occur after long latency periods. Although chemical-induced respiratory hypersensitivity has been known for decades, there are currently no comprehensive and validated approaches available for the prospective identification of chemicals that induce respiratory sensitization, while the expectations of new approach methodologies (NAMs) are high. A great hope is that due to a better understanding of the molecular key events, new methods can be developed now. However, this is a big challenge due to the different chemical classes to which respiratory sensitizers belong, as well as because of the complexity of the response and the late manifestation of symptoms. In this review article, the current information on respiratory sensitization related processes is summarized by introducing it in the available adverse outcome pathway (AOP) concept. Potentially useful models for prediction are discussed. Knowledge gaps and gaps of regulatory concern are identified.
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Affiliation(s)
- Rita Hargitai
- Unit of Radiation Medicine, Department of Radiobiology and Radiohygiene, National Centre for Public Health and Pharmacy (NCPHP), Budapest, Hungary
| | - Lucia Parráková
- Biochemical Immunotoxicology Group, Institute of Medical Biochemistry, Medical University of Innsbruck (MUI), Innsbruck, Austria
| | - Tünde Szatmári
- Unit of Radiation Medicine, Department of Radiobiology and Radiohygiene, National Centre for Public Health and Pharmacy (NCPHP), Budapest, Hungary
| | - Pablo Monfort-Lanzas
- Biochemical Immunotoxicology Group, Institute of Medical Biochemistry, Medical University of Innsbruck (MUI), Innsbruck, Austria
- Institute of Bioinformatics, Medical University of Innsbruck (MUI), Innsbruck, Austria
| | - Valentina Galbiati
- Laboratory of Toxicology, Department of Pharmacological and Biomolecular Sciences “Rodolfo Paoletti”, Università Degli Studi di Milano (UNIMI), Milano, Italy
| | | | | | - Yvonne C. M. Staal
- Centre for Health Protection, National Institute of Public Health and the Environment (RIVM), Bilthoven, Netherlands
| | - Sabina Burla
- Luxembourg Institute of Science and Technology (LIST), Belvaux, Luxembourg
| | - Aline Chary
- Luxembourg Institute of Science and Technology (LIST), Belvaux, Luxembourg
| | - Arno C. Gutleb
- Luxembourg Institute of Science and Technology (LIST), Belvaux, Luxembourg
| | - Katalin Lumniczky
- Unit of Radiation Medicine, Department of Radiobiology and Radiohygiene, National Centre for Public Health and Pharmacy (NCPHP), Budapest, Hungary
| | - Rob J. Vandebriel
- Centre for Health Protection, National Institute of Public Health and the Environment (RIVM), Bilthoven, Netherlands
| | - Johanna M. Gostner
- Biochemical Immunotoxicology Group, Institute of Medical Biochemistry, Medical University of Innsbruck (MUI), Innsbruck, Austria
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Guo Y, Cai W, Xie W, Xu Y, Li X, Yu C, Wu Q. Sodium houttuyfonate modulates the lung Th1/Th2 balance and gut microbiota to protect against pathological changes in lung of ovalbumin-induced asthmatic mice. J Asthma 2024:1-13. [PMID: 39021077 DOI: 10.1080/02770903.2024.2380525] [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: 04/25/2024] [Revised: 06/28/2024] [Accepted: 07/10/2024] [Indexed: 07/20/2024]
Abstract
OBJECTIVE The gut-lung axis involves microbial and product interactions between the lung and intestine. Antibiotics for chronic asthma can cause intestinal dysbiosis, disrupting this axis. Sodium houttuyfonate (SH) has diverse biological activities, including modifying gut microbiota, antibacterial, and anti-inflammatory. This study aims to explore the relationship between SH, CD4+ T cells, and gut microbiota. METHODS Allergic asthma was experimentally induced in mice through injection and inhalation of ovalbumin. After the administration of different amounts of SH, ELISA was utilized to ascertain the levels of inflammatory cytokines in the serum, flow cytometry was used to examine the levels of Th1/Th2 cytokines in CD4+ cells from lung tissues. The expression of T-bet and GATA3 in lung tissue was determined by Western blotting and quantitative real-time PCR assay. Gut microbiota was determined by 16S rRNA gene sequencing. RESULTS The results showed that SH can alleviate pulmonary injury in asthmatic mice, reducing serum levels of IL-4, IL-5, and IL-13 while simultaneously increasing IFN-γ. Furthermore, SH has been observed to modulate the balance of Th1/Th2 cells by up-regulating the mRNA and protein expression of T-bet but down-regulating GATA3 in the lung tissues of asthmatic mice, thereby promoting the differentiation of Th1 cells. Additionally, SH can regulate the variety and composition of gut microbiota especially genus Akkermansia in asthmatic mice. CONCLUSION SH can alleviate asthma through the regulation of Th1/Th2 cells and gut microbiota.
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Affiliation(s)
- Yanping Guo
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Wei Cai
- School of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, China
| | - Wei Xie
- School of Pharmacy, Hangzhou Medical College, Hangzhou, China
| | - Yunlu Xu
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xuejian Li
- School of Pharmacy, Hangzhou Medical College, Hangzhou, China
| | - Chenhuan Yu
- Experimental animal platform, Hangzhou Institute of Medicine Chinese Academy of Sciences, Hangzhou, China
- Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China
| | - Qiaofeng Wu
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
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Nagai M, Okawa T, Nakata K, Takahashi D, Miyajima R, Shiratori H, Yamanaka D, Nakamura A, Oyama C, Takahashi SI, Toyama-Sorimachi N, Suzuki K, Ohashi W, Dohi T, Kawamura YI, Hase K. Sugar and arginine facilitate oral tolerance by ensuring the functionality of tolerogenic immune cell subsets in the intestine. Cell Rep 2024; 43:114490. [PMID: 38990720 DOI: 10.1016/j.celrep.2024.114490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 05/21/2024] [Accepted: 06/26/2024] [Indexed: 07/13/2024] Open
Abstract
Although oral tolerance is a critical system in regulating allergic disorders, the mechanisms by which dietary factors regulate the induction and maintenance of oral tolerance remain unclear. To address this, we explored the differentiation and function of various immune cells in the intestinal immune system under fasting and ad libitum-fed conditions before oral ovalbumin (OVA) administration. Fasting mitigated OVA-specific Treg expansion, which is essential for oral tolerance induction. This abnormality mainly resulted from functional defects in the CX3CR1+ cells responsible for the uptake of luminal OVA and reduction of tolerogenic CD103+ dendritic cells. Eventually, fasting impaired the preventive effect of oral OVA administration on asthma and allergic rhinitis development. Specific food ingredients, namely carbohydrates and arginine, were indispensable for oral tolerance induction by activating glycolysis and mTOR signaling. Overall, prior food intake and nutritional signals are critical for maintaining immune homeostasis by inducing tolerance to ingested food antigens.
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Affiliation(s)
- Motoyoshi Nagai
- Clinical Research Advancement Section, Research Institute, National Center for Global Health and Medicine, Tokyo 162-8655, Japan; Division of Biochemistry, Faculty of Pharmacy and Graduate School of Pharmaceutical Science, Keio University, Tokyo 105-8512, Japan.
| | - Takuma Okawa
- Division of Biochemistry, Faculty of Pharmacy and Graduate School of Pharmaceutical Science, Keio University, Tokyo 105-8512, Japan
| | - Kazuaki Nakata
- Clinical Research Advancement Section, Research Institute, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
| | - Daisuke Takahashi
- Division of Biochemistry, Faculty of Pharmacy and Graduate School of Pharmaceutical Science, Keio University, Tokyo 105-8512, Japan
| | - Reina Miyajima
- Division of Biochemistry, Faculty of Pharmacy and Graduate School of Pharmaceutical Science, Keio University, Tokyo 105-8512, Japan
| | - Hiroaki Shiratori
- Division of Biochemistry, Faculty of Pharmacy and Graduate School of Pharmaceutical Science, Keio University, Tokyo 105-8512, Japan
| | - Daisuke Yamanaka
- Department of Veterinary Medical Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
| | - Atsuo Nakamura
- Division of Biochemistry, Faculty of Pharmacy and Graduate School of Pharmaceutical Science, Keio University, Tokyo 105-8512, Japan; Dairy Science and Technology Institute, Kyodo Milk Industry Co., Hinode-machi, Nishitama-gun, Tokyo, Japan
| | - Chinatsu Oyama
- Communal Laboratory, Research Institute, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
| | - Shin-Ichiro Takahashi
- Departments of Animal Sciences and Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
| | - Noriko Toyama-Sorimachi
- Division of Human Immunology, International Vaccine Design Center, The Institute of Medical Science, The University of Tokyo (IMSUT), Tokyo, Japan
| | - Koichiro Suzuki
- Division of Biochemistry, Faculty of Pharmacy and Graduate School of Pharmaceutical Science, Keio University, Tokyo 105-8512, Japan
| | - Wakana Ohashi
- Division of Biochemistry, Faculty of Pharmacy and Graduate School of Pharmaceutical Science, Keio University, Tokyo 105-8512, Japan
| | - Taeko Dohi
- Clinical Research Advancement Section, Research Institute, National Center for Global Health and Medicine, Tokyo 162-8655, Japan; Division of Biochemistry, Faculty of Pharmacy and Graduate School of Pharmaceutical Science, Keio University, Tokyo 105-8512, Japan
| | - Yuki I Kawamura
- Clinical Research Advancement Section, Research Institute, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
| | - Koji Hase
- Division of Biochemistry, Faculty of Pharmacy and Graduate School of Pharmaceutical Science, Keio University, Tokyo 105-8512, Japan; The Institute of Fermentation Sciences (IFeS), Faculty of Food and Agricultural Sciences, Fukushima University, Kanayagawa, Fukushima 960-1296, Japan; International Vaccine Design Center, The Institute of Medical Science, The University of Tokyo (IMSUT), Tokyo 108-8639, Japan.
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9
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Li M, Jia D, Li J, Li Y, Wang Y, Wang Y, Xie W, Chen S. Scutellarin Alleviates Ovalbumin-Induced Airway Remodeling in Mice and TGF-β-Induced Pro-fibrotic Phenotype in Human Bronchial Epithelial Cells via MAPK and Smad2/3 Signaling Pathways. Inflammation 2024; 47:853-873. [PMID: 38168709 PMCID: PMC11147947 DOI: 10.1007/s10753-023-01947-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 01/05/2024]
Abstract
Asthma is a chronic inflammatory disease characterized by airway hyperresponsiveness (AHR), inflammation, and remodeling. Epithelial-mesenchymal transition (EMT) is an essential player in these alterations. Scutellarin is isolated from Erigeron breviscapus. Its vascular relaxative, myocardial protective, and anti-inflammatory effects have been well established. This study was designed to detect the biological roles of scutellarin in asthma and its related mechanisms. The asthma-like conditions were induced by ovalbumin challenges. The airway resistance and dynamic compliance were recorded as the results of AHR. Bronchoalveolar lavage fluid (BALF) was collected and processed for differential cell counting. Hematoxylin and eosin staining, periodic acid-Schiff staining, and Masson staining were conducted to examine histopathological changes. The levels of asthma-related cytokines were measured by enzyme-linked immunosorbent assay. For in vitro analysis, the 16HBE cells were stimulated with 10 ng/mL transforming growth beta-1 (TGF-β1). Cell migration was estimated by Transwell assays and wound healing assays. E-cadherin, N-cadherin, and α-smooth muscle actin (α-SMA) were analyzed by western blotting, real-time quantitative polymerase chain reaction, immunofluorescence staining, and immunohistochemistry staining. The underlying mechanisms of the mitogen-activated protein kinase (MAPK) and Smad pathways were investigated by western blotting. In an ovalbumin-induced asthmatic mouse model, scutellarin suppressed inflammation and inflammatory cell infiltration into the lungs and attenuated AHR and airway remodeling. Additionally, scutellarin inhibited airway EMT (upregulated E-cadherin level and downregulated N-cadherin and α-SMA) in ovalbumin-challenged asthmatic mice. For in vitro analysis, scutellarin prevented the TGF-β1-induced migration and EMT in 16HBE cells. Mechanistically, scutellarin inhibits the phosphorylation of Smad2, Smad3, ERK, JNK, and p38 in vitro and in vivo. In conclusion, scutellarin can inactivate the Smad/MAPK pathways to suppress the TGF-β1-stimulated epithelial fibrosis and EMT and relieve airway inflammation and remodeling in asthma. This study provides a potential therapeutic strategy for asthma.
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Affiliation(s)
- Minfang Li
- Department of Respiratory Medicine, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, 518033, China
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, 518033, China
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China
| | - Dan Jia
- Department of Respiratory Medicine, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, 518033, China
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, 518033, China
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China
| | - Jinshuai Li
- Department of Respiratory Medicine, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, 518033, China
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, 518033, China
| | - Yaqing Li
- Department of Respiratory Medicine, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, 518033, China
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, 518033, China
| | - Yaqiong Wang
- Department of Respiratory Medicine, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, 518033, China
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, 518033, China
| | - Yuting Wang
- Department of Respiratory Medicine, Affiliated Kunshan Hospital of Jiangsu University, Suzhou, 215300, China.
| | - Wei Xie
- Department of Respiratory Medicine, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, 518033, China.
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, 518033, China.
| | - Sheng Chen
- Department of Respiratory Medicine, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, 518033, China.
- The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, 518033, China.
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10
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Paolucci M, Antz N, Homère V, Kolm I, Kündig TM, Johansen P. A murine model of peanut-allergic asthma. FRONTIERS IN ALLERGY 2024; 5:1378877. [PMID: 38765484 PMCID: PMC11099873 DOI: 10.3389/falgy.2024.1378877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 04/11/2024] [Indexed: 05/22/2024] Open
Abstract
Objectives Peanut allergy is an IgE-mediated food allergy that is associated with asthma in certain patients. With increasing prevalence, its great impact on the quality of life, and a lack of treatment options, the need for new therapy options is a given. Hence, models for research and development are required. This study aimed to establish a murine model of allergic airway inflammation induced by peanut allergens. Methods C3H mice were sensitised by intraperitoneal injections of peanut allergen extract and challenged by an intranasal application of the same extract. The assessment of airway inflammation involved the analysis of immune cells in the bronchoalveolar lavage fluid as measured by flow cytometry. Inflammatory reactions in the lung tissue were also studied by histology and quantitative PCR. Moreover, peanut-specific immune responses were studied after re-stimulation of spleen cells in vitro. Results Sensitisation led to allergen-specific IgE, IgA, and IgG1 seroconversion. Subsequent nasal exposure led to allergic airway inflammation as manifested by structural changes such as bronchial smooth muscle hypertrophy, mucus cell hyperplasia, infiltration of eosinophil cells and T cells, as well as an upregulation of genes expressing IL-4, IL-5, IL-13, and IFN-γ. Upon re-stimulation of splenocytes with peanut allergen, increased secretion of both T-helper type 2 (Th2) and Th1 cytokines was observed. Conclusion We successfully established a peanut-associated asthma model that exhibited many features characteristic of airway inflammation in human patients with allergic asthma. The model holds potential as a tool for investigating novel therapeutic approaches aimed at preventing the development of allergic asthma.
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Affiliation(s)
- Marta Paolucci
- Department of Dermatology, University of Zurich, Zurich, Switzerland
| | - Nathalie Antz
- Department of Dermatology, University of Zurich, Zurich, Switzerland
| | - Valentine Homère
- Department of Dermatology, University of Zurich, Zurich, Switzerland
| | - Isabel Kolm
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland
| | - Thomas M. Kündig
- Department of Dermatology, University of Zurich, Zurich, Switzerland
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland
| | - Pål Johansen
- Department of Dermatology, University of Zurich, Zurich, Switzerland
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland
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11
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Huang S, Zhou R, Yuan Y, Shen Y. Stigmasterol alleviates airway inflammation in OVA-induced asthmatic mice via inhibiting the TGF-β1/Smad2 and IL-17A signaling pathways. Aging (Albany NY) 2024; 16:6478-6487. [PMID: 38579176 PMCID: PMC11042943 DOI: 10.18632/aging.205716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 01/08/2024] [Indexed: 04/07/2024]
Abstract
Stigmasterol is a common dietary phytosterol with high nutritional value and physiological activity. In this study, we evaluated the effects of stigmasterol on inflammatory cytokines and the TGF-β1/Smad2 and IL-17A signaling pathway in an ovalbumin (OVA)-induced asthma mouse model. Stigmasterol treatment improved airway remodeling. In addition, it significantly attenuated the symptoms of asthma attacks, reduced the number of macrophages, lymphocytes, neutrophils, and eosinophils in BALF and inflammatory cytokines, including IL-1β, IL-5, IL-6, and IL-13. It further decreased the level of IL-17A in BALF, serum and spleen. Spleen single-cell suspension analysis via flow cytometry showed that IL-17A level was consistent with the results obtained in BALF, serum and spleen. Stigmasterol decreased the protein expression levels of TGF-β, p-Smad2 and IL-17A in the spleen, by increasing the protein expression level of IL-10. After 24 h of co-culture of TGF-β, IL-6 and stigmasterol, the level of IL-17 in CD4+ T cell supernatant was lower relative to levels in the group without stigmasterol. Meanwhile, stigmasterol treatment attenuated the expression level of TGF- β, p-Smad2 and IL-17A proteins in CD4+ T cells and enhanced the expression levels of IL-10 protein. These data suggested that stigmasterol inhibited the TGF-β1/Smad2 and IL-17A signaling pathway to achieve anti-asthmatic effects in the OVA-induced asthma mouse model. Collectively, the results of this study are that stigmasterol has achieved preliminary efficacy in the non-clinical laboratory, further studies are needed to consider the clinical application of stigmasterol.
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Affiliation(s)
- Sihong Huang
- Department of Pediatrics, Shanghai Baoshan District Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201999, China
| | - Rong Zhou
- Department of Pediatrics, Shanghai Baoshan District Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201999, China
| | - Yuyun Yuan
- Department of Pediatrics, Shanghai Baoshan District Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201999, China
| | - Yiyun Shen
- Department of Pediatrics, Shanghai Baoshan District Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201999, China
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12
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Sudhadevi T, Ackerman SJ, Jafri A, Basa P, Ha AW, Natarajan V, Harijith A. Sphingosine kinase 1-specific inhibitor PF543 reduces goblet cell metaplasia of bronchial epithelium in an acute asthma model. Am J Physiol Lung Cell Mol Physiol 2024; 326:L377-L392. [PMID: 38290992 PMCID: PMC11281799 DOI: 10.1152/ajplung.00269.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 01/16/2024] [Accepted: 01/21/2024] [Indexed: 02/01/2024] Open
Abstract
Sphingosine kinase 1 (SPHK1) has been shown to play a key role in the pathogenesis of asthma where SPHK1-generated sphingosine-1-phosphate (S1P) is known to mediate innate and adaptive immunity while promoting mast cell degranulation. Goblet cell metaplasia (GCM) contributes to airway obstruction in asthma and has been demonstrated in animal models. We investigated the role of PF543, a SPHK1-specific inhibitor, in preventing the pathogenesis of GCM using a murine (C57BL/6) model of allergen-induced acute asthma. Treatment with PF543 before triple allergen exposure (DRA: House dust mite, Ragweed pollen, and Aspergillus) reduced inflammation, eosinophilic response, and GCM followed by reduced airway hyperreactivity to intravenous methacholine. Furthermore, DRA exposure was associated with increased expression of SPHK1 in the airway epithelium which was reduced by PF543. DRA-induced reduction of acetylated α-tubulin in airway epithelium was associated with an increased expression of NOTCH2 and SPDEF which was prevented by PF543. In vitro studies using human primary airway epithelial cells showed that inhibition of SPHK1 using PF543 prevented an allergen-induced increase of both NOTCH2 and SPDEF. siRNA silencing of SPHK1 prevented the allergen-induced increase of both NOTCH2 and SPDEF. NOTCH2 silencing was associated with a reduction of SPDEF but not that of SPHK1 upon allergen exposure. Our studies demonstrate that inhibition of SPHK1 protected allergen-challenged airways by preventing GCM and airway hyperreactivity, associated with downregulation of the NOTCH2-SPDEF signaling pathway. This suggests a potential novel link between SPHK1, GCM, and airway remodeling in asthma.NEW & NOTEWORTHY The role of SPHK1-specific inhibitor, PF543, in preventing goblet cell metaplasia (GCM) and airway hyperreactivity (AHR) is established in an allergen-induced mouse model. This protection was associated with the downregulation of NOTCH2-SPDEF signaling pathway, suggesting a novel link between SPHK1, GCM, and AHR.
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Affiliation(s)
- Tara Sudhadevi
- Department of Pediatrics, Case Western Reserve University, Cleveland, Ohio, United States
| | - Steven J Ackerman
- Department of Biochemistry and Molecular Genetics, University of Illinois at Chicago, Chicago, Illinois, United States
| | - Anjum Jafri
- Department of Genetics and Genome Sciences, School of Medicine, Case Western Reserve University, Cleveland, Ohio, United States
| | - Prathima Basa
- Department of Pediatrics, Case Western Reserve University, Cleveland, Ohio, United States
| | - Alison W Ha
- Department of Biochemistry and Molecular Genetics, University of Illinois at Chicago, Chicago, Illinois, United States
| | - Viswanathan Natarajan
- Department of Pharmacology and Regenerative Medicine, University of Illinois at Chicago, Chicago, Illinois, United States
- Department of Medicine, University of Illinois at Chicago, Chicago, Illinois, United States
| | - Anantha Harijith
- Department of Pediatrics, Case Western Reserve University, Cleveland, Ohio, United States
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13
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Abdelmawgood IA, Mahana NA, Badr AM, Mohamed AS. Echinochrome exhibits anti-asthmatic activity through the suppression of airway inflammation, oxidative stress, and histopathological alterations in ovalbumin-induced asthma in BALB/c mice. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:1803-1815. [PMID: 37750936 PMCID: PMC10858934 DOI: 10.1007/s00210-023-02678-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 08/15/2023] [Indexed: 09/27/2023]
Abstract
Asthma is a chronic pulmonary disease with marked infiltrating inflammatory cells and reduced respiratory performance. Echinochrome (Ech) is a dark-red pigment isolated from the sea urchin spines, shells, and ova. It has antioxidant, antimicrobial, and anti-inflammatory properties, but whether it can be used in asthma treatment has yet to be investigated. In this research, we aimed to study the inhibitory actions of Ech on allergic asthma symptoms in mice. Mice were divided into 4 groups (n = 8 for each): control, ovalbumin-challenged, and Ech-treated (0.1 and 1 mg/kg). At the end of the experiment, nasal scratching, lung oxidative stress, airway inflammation, and remodeling were assessed. In ovalbumin-challenged BALB/C mice, treatment with Ech significantly decreased nasal scratching, lung oxidative stress, inflammatory cell infiltration, mucus hyperproduction and hyperplasia of goblet cells, IgE levels, and inflammatory cytokines. It also inhibited NF-κB phosphorylation. This is the first study to investigate the immunomodulatory effect of Ech against allergic asthma in mice. According to our findings, we imply that Ech may be utilized as a treatment for allergic asthma.
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Affiliation(s)
| | - Noha A Mahana
- Zoology Department, Faculty of Science, Cairo University, 12613, Giza, Egypt
| | - Abeer Mahmoud Badr
- Zoology Department, Faculty of Science, Cairo University, 12613, Giza, Egypt.
| | - Ayman Saber Mohamed
- Zoology Department, Faculty of Science, Cairo University, 12613, Giza, Egypt
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14
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Chen YJ, Yuan Y, Peng L, Dong XY, Xu YD, Wang Y, Yang YQ. Effects of increasing sensitizing doses of ovalbumin on airway hyperresponsiveness in asthmatic mice. Immun Inflamm Dis 2024; 12:e1225. [PMID: 38533918 DOI: 10.1002/iid3.1225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 02/08/2024] [Accepted: 03/07/2024] [Indexed: 03/28/2024] Open
Abstract
BACKGROUND The dosage of ovalbumin (OVA) during the sensitization stage is considered a crucial factor in the development of airway hyperresponsiveness (AHR). However, the inconsistent dosages of sensitizing OVA used in current studies and the lack of research on their impact on AHR are notable limitations. METHODS We examined the impact of increasing sensitizing doses of OVA in a murine asthma model, which entailed initial sensitization with OVA followed by repeated exposure to OVA aerosols. BALB/c mice were primed with doses of OVA (0, 10, 20, 50, and 100 μg) plus 1 mg Alum on Days 0 and 7, and were challenged with OVA aerosols (10 mg/mL for 30 min) between Days 14 and 17. Antigen-induced AHR to methacholine (MCh), as well as histological changes, eosinophilic infiltration, and epithelial injury were assessed. RESULTS The result indicated that there are striking OVA dose-related differences in antigen-induced AHR to MCh. The most intense antigen-induced AHR to MCh was observed with sensitization at 50 μg, while weaker responses were seen at 10, 20, and 100 μg. Meanwhile, there was a significant increase in eosinophil count with sensitization at 50 μg. The changes of AHR were correlated with total cells count, lymphocytes count, eosinophils count, and basophils count in bronchoalveolar lavage fluid; however, it did not correlate with histological changes such as cellular infiltration into bronchovascular bundles and goblet cell hyperplasia of the bronchial epithelium. CONCLUSION Overall, this study demonstrated that sensitization with 50 μg of OVA resulted in the most significant AHR compared to other dosages. These findings may offer valuable insights for future research on mouse asthma modeling protocols.
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Affiliation(s)
- Yan-Jiao Chen
- Laboratory of Molecular Biology, Shanghai Research Institute of Acupuncture and Meridian, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, P.R. China
| | - Yu Yuan
- Deparment of Acupuncture and Moxibustion, Guanghua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, P.R. China
| | - Lu Peng
- Laboratory of Molecular Biology, Shanghai Research Institute of Acupuncture and Meridian, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, P.R. China
| | - Xin-Yi Dong
- Laboratory of Molecular Biology, Shanghai Research Institute of Acupuncture and Meridian, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, P.R. China
| | - Yu-Dong Xu
- Laboratory of Molecular Biology, Shanghai Research Institute of Acupuncture and Meridian, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, P.R. China
| | - Yu Wang
- Shanghai University of Traditional Chinese Medicine, Shanghai, P.R. China
| | - Yong-Qing Yang
- Shanghai University of Traditional Chinese Medicine, Shanghai, P.R. China
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15
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Jiang Y, Nguyen TV, Jin J, Yu ZN, Song CH, Chai OH. Tectorigenin inhibits oxidative stress by activating the Keap1/Nrf2/HO-1 signaling pathway in Th2-mediated allergic asthmatic mice. Free Radic Biol Med 2024; 212:207-219. [PMID: 38147892 DOI: 10.1016/j.freeradbiomed.2023.12.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/01/2023] [Accepted: 12/20/2023] [Indexed: 12/28/2023]
Abstract
Asthma is a chronic obstructive airway condition and one of the most common non-communicable illnesses worldwide. Tectorigenin (Tec) is an isoflavonoid found in plants that possesses significant antioxidative and anti-inflammatory abilities. Nevertheless, the antioxidative properties of Tec have not yet been documented in allergic asthma. In this study, we created an asthmatic BALB/c mouse model induced by ovalbumin (OVA) and used it to assess the efficacy of Tec as a possible therapy agent. Tec decreased the serum OVA-specific immunoglobulin (Ig) E and IgG1 secretion levels. The total number of cells and the distribution of inflammatory cells decreased significantly in bronchoalveolar lavage fluid (BALF), with weakened inflammatory reaction in pulmonary tissues. Additionally, Tec regulated the T helper 1(Th1)/Th2 balance by increasing the expression of Th1- related factors (interleukin (IL)-12 and T-bet) and decreasing the expression of Th2-related factors (IL-4, IL-5, IL-13, and GATA binding protein 3. In addition, the pro-inflammatory cytokines such as IL-6, tumor necrosis factor-alpha, and IL-1β were also inhibited by Tec. Tec also dramatically increased antioxidant (catalase and superoxide dismutase) concentrations while lowering the intensity of the indicators of oxidative stress such as reactive oxygen species and malondialdehyde in BALF. Finally, Tec effectively activated the Keap1/Nrf2/HO-1 signaling pathway and prevented the epithelial-mesenchymal transition. The results of the current study show that Tec may be useful in relieving the inflammatory and oxidative stress responses associated with asthma.
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Affiliation(s)
- Yuna Jiang
- Department of Anatomy, Jeonbuk National University Medical School, Jeonju, 54896, Republic of Korea
| | - Thi Van Nguyen
- Department of Anatomy, Jeonbuk National University Medical School, Jeonju, 54896, Republic of Korea
| | - Juan Jin
- Department of Anatomy, Jeonbuk National University Medical School, Jeonju, 54896, Republic of Korea
| | - Zhen Nan Yu
- Department of Anatomy, Jeonbuk National University Medical School, Jeonju, 54896, Republic of Korea
| | - Chang Ho Song
- Department of Anatomy, Jeonbuk National University Medical School, Jeonju, 54896, Republic of Korea; Institute for Medical Sciences, Jeonbuk National University Medical School, Jeonju, 54896, Jeonbuk, Republic of Korea.
| | - Ok Hee Chai
- Department of Anatomy, Jeonbuk National University Medical School, Jeonju, 54896, Republic of Korea; Institute for Medical Sciences, Jeonbuk National University Medical School, Jeonju, 54896, Jeonbuk, Republic of Korea.
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16
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Wang X, Gan W, Kang M, Lv C, Zhao Z, Wu Y, Zhang X, Wang R. Asthma aggravates alzheimer's disease by up-regulating NF- κB signaling pathway through LTD4. Brain Res 2024; 1825:148711. [PMID: 38092296 DOI: 10.1016/j.brainres.2023.148711] [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: 08/22/2023] [Revised: 11/17/2023] [Accepted: 12/09/2023] [Indexed: 12/25/2023]
Abstract
Clinical studies have shown that asthma is a risk factor for dementia or Alzheimer's disease (AD). To investigate whether asthma aggravates AD in APP/PS1 mice and explore the potential mechanisms, an asthma model was established using six-month-old APP/PS1 mice, and montelukast was used as a therapeutic agent in APP/PS1 mice with asthma. The Morris water maze test showed that asthma aggravates spatial learning and memory abilities. Asthma also upregulates the NF-κB inflammatory pathway in APP/PS1 mice and promotes the expression of beta-site amyloid precursor protein cleaving enzyme 1 (BACE1), amyloid-β (Aβ) deposition, neuronal damage, synaptic plasticity deficiency, activation of microglia and astrocytes. The level of LTD4 and its receptor CysLT1R in the hippocampus of APP/PS1 mice after the asthma modeling was established was higher than that in APP/PS1 mice, suggesting that asthma may affect the pathology of AD through LTD4 and its receptor Cys-LT1R. Montelukast ameliorates these pathological changes and cognitive impairment. These results suggest that asthma aggravates AD pathology and cognitive impairment of APP/PS1 mice via upregulation of the NF-κB inflammatory pathway, and montelukast ameliorates these pathological changes.
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Affiliation(s)
- Xiaozhen Wang
- Central Laboratory, Xuanwu Hospital, Capital Medical University, Beijing Geriatric Medical Research Center, Key Laboratory for Neurodegenerative Disease of Ministry of Education, Beijing, PR China
| | - Wenjing Gan
- Central Laboratory, Xuanwu Hospital, Capital Medical University, Beijing Geriatric Medical Research Center, Key Laboratory for Neurodegenerative Disease of Ministry of Education, Beijing, PR China
| | - Meimei Kang
- Central Laboratory, Xuanwu Hospital, Capital Medical University, Beijing Geriatric Medical Research Center, Key Laboratory for Neurodegenerative Disease of Ministry of Education, Beijing, PR China
| | - Caizhen Lv
- Central Laboratory, Xuanwu Hospital, Capital Medical University, Beijing Geriatric Medical Research Center, Key Laboratory for Neurodegenerative Disease of Ministry of Education, Beijing, PR China
| | - Zhiwei Zhao
- Central Laboratory, Xuanwu Hospital, Capital Medical University, Beijing Geriatric Medical Research Center, Key Laboratory for Neurodegenerative Disease of Ministry of Education, Beijing, PR China
| | - Yanchuan Wu
- Central Laboratory, Xuanwu Hospital, Capital Medical University, Beijing Geriatric Medical Research Center, Key Laboratory for Neurodegenerative Disease of Ministry of Education, Beijing, PR China
| | - Xu Zhang
- Central Laboratory, Xuanwu Hospital, Capital Medical University, Beijing Geriatric Medical Research Center, Key Laboratory for Neurodegenerative Disease of Ministry of Education, Beijing, PR China
| | - Rong Wang
- Central Laboratory, Xuanwu Hospital, Capital Medical University, Beijing Geriatric Medical Research Center, Key Laboratory for Neurodegenerative Disease of Ministry of Education, Beijing, PR China; Beijing Institute for Brain Disorders, Beijing, PR China; National Clinical Research Center for Geriatric Disorders, Beijing, PR China.
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17
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Wu X, Yu Y, Wang M, Dai D, Yin J, Liu W, Kong D, Tang S, Meng M, Gao T, Zhang Y, Zhou Y, Guan N, Zhao S, Ye H. AAV-delivered muscone-induced transgene system for treating chronic diseases in mice via inhalation. Nat Commun 2024; 15:1122. [PMID: 38321056 PMCID: PMC10847102 DOI: 10.1038/s41467-024-45383-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 01/22/2024] [Indexed: 02/08/2024] Open
Abstract
Gene therapies provide treatment options for many diseases, but the safe and long-term control of therapeutic transgene expression remains a primary issue for clinical applications. Here, we develop a muscone-induced transgene system packaged into adeno-associated virus (AAV) vectors (AAVMUSE) based on a G protein-coupled murine olfactory receptor (MOR215-1) and a synthetic cAMP-responsive promoter (PCRE). Upon exposure to the trigger, muscone binds to MOR215-1 and activates the cAMP signaling pathway to initiate transgene expression. AAVMUSE enables remote, muscone dose- and exposure-time-dependent control of luciferase expression in the livers or lungs of mice for at least 20 weeks. Moreover, we apply this AAVMUSE to treat two chronic inflammatory diseases: nonalcoholic fatty liver disease (NAFLD) and allergic asthma, showing that inhalation of muscone-after only one injection of AAVMUSE-can achieve long-term controllable expression of therapeutic proteins (ΔhFGF21 or ΔmIL-4). Our odorant-molecule-controlled system can advance gene-based precision therapies for human diseases.
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Affiliation(s)
- Xin Wu
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China
- Institute of Medical Technology, Shanxi Medical University, Taiyuan, Shanxi Province, 030001, China
| | - Yuanhuan Yu
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China
| | - Meiyan Wang
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China
- Chongqing Key Laboratory of Precision Optics, Chongqing Institute of East China Normal University, Chongqing, 401120, China
| | - Di Dai
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China
| | - Jianli Yin
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China
- Chongqing Key Laboratory of Precision Optics, Chongqing Institute of East China Normal University, Chongqing, 401120, China
| | - Wenjing Liu
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China
| | - Deqiang Kong
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China
| | - Shasha Tang
- Department of Breast Surgery, Tongji Hospital, School of Medicine, Tongji University, Xincun Road 389, Shanghai, 200065, China
| | - Meiyao Meng
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China
| | - Tian Gao
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China
| | - Yuanjin Zhang
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China
| | - Yang Zhou
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China
- Wuhu Hospital, Health Science Center, East China Normal University, Middle Jiuhua Road 263, Wuhu, Anhui, China
| | - Ningzi Guan
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China
| | - Shangang Zhao
- Division of Endocrinology, Department of Medicine, Sam and Ann Barshop Institute for Longevity and Aging Studies, University of Texas Health Science Center at San Antonio, San Antonio, TX, 78229, USA
| | - Haifeng Ye
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai, 200241, China.
- Chongqing Key Laboratory of Precision Optics, Chongqing Institute of East China Normal University, Chongqing, 401120, China.
- Wuhu Hospital, Health Science Center, East China Normal University, Middle Jiuhua Road 263, Wuhu, Anhui, China.
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Liu X, Zhao L, Wang R, Tang Z. TRPM2 exacerbates airway inflammation by regulating oxidized-CaMKⅡ in allergic asthma. Heliyon 2024; 10:e23634. [PMID: 38187281 PMCID: PMC10767383 DOI: 10.1016/j.heliyon.2023.e23634] [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: 03/21/2023] [Revised: 12/08/2023] [Accepted: 12/08/2023] [Indexed: 01/09/2024] Open
Abstract
Background Airway epithelial cells play important roles in allergic asthma. Transient receptor potential melastatin-related 2 (TRPM2) and oxidized Ca2+/calmodulin-dependent protein kinase Ⅱ (ox-CaMKⅡ) participate in the airway inflammation. This study aimed to analyze the effects of TRPM2 on ox-CaMKⅡ in the airway epithelial cells during allergic asthma. Methods BEAS-2B cells were treated with different dose of IL-13 (0, 5, 10, 20 ng/mL) for 24 h to analyze the changes of TRPM2 and ox-CaMKⅡ protein. Cells expressing different level of TRPM2 were obtained by transfection of TRPM2 siRNA or TRPM2-short cDNA. The transfected cells were treated with 10 ng/mL of IL-13 to analyze the effects of TRPM2 on the ox-CaMKⅡ. A CaMKⅡ inhibitor KN-93 was used to confirm the effects of TRPM2 on levels of ox-CaMKⅡ, p-MEK and p-ERK in the IL-13-treated BEAS-2B cells. Wild-type (WT) mice and TRPM2-knockout (TRPM2-/-) mice were induced by ovalbumin (OVA) to compare the differences of inflammation, levels of ox-CaMKII, p-MEK and p-ERK in airways. Results Cell viability was clearly decreased by the 20 ng/mL of IL-13. The levels of TRPM2 and ox-CaMKII protein in cells were increased with increasing doses of IL-13. Transfection of TRPM2 siRNA or TRPM2-short cDNA respectively decreased or increased the levels of ox-CaMKⅡ in the IL-13-stimulated cells. The results of KN-93 treatment were similar to the results of TRPM2 siRNA transfection, that the levels of ox-CaMKⅡ, p-MEK and p-ERK were significantly decreased in the IL-13-treated cells. Compared with the OVA-induced WT mice, levels of inflammation, ox-CaMKⅡ, p-MEK and p-ERK in the airways were significantly weakened in the OVA-induced TRPM2-/- mice. Conclusions TRPM2 plays a vital role in regulating ox-CaMKⅡ in airway epithelial cells during allergic asthma.
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Affiliation(s)
- Xueping Liu
- Department of Pulmonary and Critical Care Medicine, Yantai Yuhuangding Hospital, 264000, China
| | - Lingyan Zhao
- Department of Nursing, Yantai Yuhuangding Hospital, 264000, China
| | - Rui Wang
- Department of Pulmonary and Critical Care Medicine, Yantai Yuhuangding Hospital, 264000, China
| | - Zhaoying Tang
- Department of Pulmonary and Critical Care Medicine, Yantai Yuhuangding Hospital, 264000, China
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19
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Song J, Zhang H, Tong Y, Wang Y, Xiang Q, Dai H, Weng C, Wang L, Fan J, Shuai Y, Lai C, Fang X, Chen M, Bao J, Zhang W. Molecular mechanism of interleukin-17A regulating airway epithelial cell ferroptosis based on allergic asthma airway inflammation. Redox Biol 2023; 68:102970. [PMID: 38035662 PMCID: PMC10711239 DOI: 10.1016/j.redox.2023.102970] [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: 10/20/2023] [Accepted: 11/19/2023] [Indexed: 12/02/2023] Open
Abstract
Interleukin-17A (IL-17A) levels are elevated in patients with asthma. Ferroptosis has been identified as the non-apoptotic cell death type associated with asthma. Data regarding the relation of ferroptosis with asthma and the effect of IL-17A on modulating ferroptosis in asthma remain largely unclear. The present work focused on investigating the role of IL-17A in allergic asthma-related ferroptosis and its associated molecular mechanisms using public datasets, clinical samples, human bronchial epithelial cells, and an allergic asthma mouse model. We found that IL-17A was significantly upregulated within serum in asthma cases. Adding IL-17A significantly increased ferroptosis within human bronchial epithelial cells (BEAS-2B). In ovalbumin (OVA)-induced allergic asthmatic mice, IL-17A regulated and activated lipid peroxidation induced ferroptosis, whereas IL-17A knockdown effectively inhibited ferroptosis in vivo by protection of airway epithelial cells via the xCT-GSH-GPX4 antioxidant system and reduced airway inflammation. Mouse mRNA sequencing results indicated that the tumor necrosis factor (TNF) pathway was the differential KEGG pathway in the OVA group compared to healthy controls and the OVA group compared to the IL-17A knockout OVA group. We further used N-acetylcysteine (TNF inhibitor) to inhibit the TNF signaling pathway, which was found to protect BEAS-2B cells from IL-17A induced lipid peroxidation and ferroptosis damage. Our findings reveal a novel mechanism for the suppression of ferroptosis in airway epithelial cells, which may represent a new strategy for the use of IL-17A inhibitors against allergic asthma.
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Affiliation(s)
- Jingjing Song
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Hui Zhang
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Yu Tong
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Yufei Wang
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Qiangwei Xiang
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Huan Dai
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Cuiye Weng
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China; Department of Neonatology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Lei Wang
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Junwen Fan
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Yilong Shuai
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Chuqiao Lai
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Xiaoxiao Fang
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Mingxin Chen
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Jiali Bao
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China
| | - Weixi Zhang
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325027, China.
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20
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Moonwiriyakit A, Yimnual C, Noitem R, Dinsuwannakol S, Sontikun J, Kaewin S, Worakajit N, Soontornniyomkij V, Muanprasat C. GPR120/FFAR4 stimulation attenuates airway remodeling and suppresses IL-4- and IL-13-induced airway epithelial injury via inhibition of STAT6 and Akt. Biomed Pharmacother 2023; 168:115774. [PMID: 37924784 DOI: 10.1016/j.biopha.2023.115774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 10/12/2023] [Accepted: 10/20/2023] [Indexed: 11/06/2023] Open
Abstract
BACKGROUND Airway remodeling is associated with severity and treatment insensitivity in asthma. This study aimed to investigate the effects of G protein-coupled receptor 120 (GPR120) stimulation on alleviating allergic inflammation and remodeling of airway epithelium. RESEARCH DESIGN AND METHODS Ovalbumin (OVA)-challenged BALB/c mice and type-2-cytokine (IL-4 and IL-13)-exposed 16HBE human bronchial epithelial cells were treated with GSK137647A, a selective GPR120 agonist. Markers of allergic inflammation and airway remodeling were determined. RESULTS GSK137647A attenuated inflammation and mucus secretion in airway epithelium of OVA-challenged mice. Stimulation of GPR120 in 16HBE suppressed expression of asthma-associated cytokines and cytokine-induced expression of pathogenic mucin-MUC5AC. These effects were abolished by co-treatment with AH7614, a GPR120 antagonist. Moreover, GPR120 stimulation in 16HBE cells reduced expression of fibrotic markers including fibronectin protein and ACTA2 mRNA and inhibited epithelial barrier leakage induced by type-2 inflammation via rescuing expression of zonula occludens-1 protein. Furthermore, GPR120 stimulation prevented the cytokine-induced airway epithelial remodeling via suppression of STAT6 and Akt phosphorylation. CONCLUSIONS Our findings suggest that GPR120 activation alleviates allergic inflammation and remodeling of airway epithelium partly through inhibition of STAT6 and Akt. GPR120 may represent a novel therapeutic target for diseases associated with remodeling of airway epithelium, including asthma.
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Affiliation(s)
- Aekkacha Moonwiriyakit
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand
| | - Chantapol Yimnual
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand
| | - Rattikarn Noitem
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand; Translational Medicine Graduate Program, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Sasiwimol Dinsuwannakol
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand
| | - Jenjira Sontikun
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand
| | - Suchada Kaewin
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand; Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Nichakorn Worakajit
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand; Translational Medicine Graduate Program, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Virawudh Soontornniyomkij
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand
| | - Chatchai Muanprasat
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand.
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21
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Bakan B, Jonckheere AC, Decaesteker T, Marain NF, Murugadoss S, Karabay Yavasoglu NU, Şahar U, Şenay RH, Akgöl S, Göksel Ö, Hoet PHM, Vanoirbeek JAJ. Impact of a Polymer-Based Nanoparticle with Formoterol Drug as Nanocarrier System In Vitro and in an Experimental Asthmatic Model. TOXICS 2023; 11:974. [PMID: 38133375 PMCID: PMC10747207 DOI: 10.3390/toxics11120974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 11/16/2023] [Accepted: 11/21/2023] [Indexed: 12/23/2023]
Abstract
The implementation of nanotechnology in pulmonary delivery systems might result in better and more specific therapy. Therefore, a nano-sized drug carrier should be toxicologically inert and not induce adverse effects. We aimed to investigate the responses of a polymer nano drug carrier, a lysine poly-hydroxyethyl methacrylate nanoparticle (NP) [Lys-p(HEMA)], loaded with formoterol, both in vitro and in vivo in an ovalbumin (OVA) asthma model. The successfully synthesized nanodrug formulation showed an expectedly steady in vitro release profile. There was no sign of in vitro toxicity, and the 16HBE and THP-1 cell lines remained vital after exposure to the nanocarrier, both loaded and unloaded. In an experimental asthma model (Balb/c mice) of ovalbumin sensitization and challenge, the nanocarrier loaded and unloaded with formoterol was tested in a preventive strategy and compared to treatment with the drug in a normal formulation. The airway hyperresponsiveness (AHR) and pulmonary inflammation in the bronchoalveolar lavage (BAL), both cellular and biochemical, were assessed. The application of formoterol as a regular drug and the unloaded and formoterol-loaded NP in OVA-sensitized mice followed by a saline challenge was not different from the control group. Yet, both the NP formulation and the normal drug application led to a more deteriorated lung function and increased lung inflammation in the OVA-sensitized and -challenged mice, showing that the use of the p(HEMA) nanocarrier loaded with formoterol needs more extensive testing before it can be applied in clinical settings.
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Affiliation(s)
- Buket Bakan
- Department of Public Health and Primary Care, Centre for Environment and Health, KU Leuven, 3000 Leuven, Belgium; (B.B.); (P.H.M.H.)
- Department of Molecular Biology and Genetics, Faculty of Science, Atatürk University, Erzurum 25240, Turkey
| | - Anne-Charlotte Jonckheere
- Allergy and Clinical Immunology Research Group, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
| | - Tatjana Decaesteker
- BREATH, Department of Chronic Diseases and Metabolism, KU Leuven, 3000 Leuven, Belgium (N.F.M.)
| | - Nora F. Marain
- BREATH, Department of Chronic Diseases and Metabolism, KU Leuven, 3000 Leuven, Belgium (N.F.M.)
| | - Sivakumar Murugadoss
- Department of Public Health and Primary Care, Centre for Environment and Health, KU Leuven, 3000 Leuven, Belgium; (B.B.); (P.H.M.H.)
| | | | - Umut Şahar
- Department of Biology, Faculty of Science, Ege University, Izmir 35100, Turkey; (N.U.K.Y.); (U.Ş.)
| | - Raziye Hilal Şenay
- Department of Biochemistry, Faculty of Science, Ege University, Izmir 35100, Turkey; (R.H.Ş.); (S.A.)
| | - Sinan Akgöl
- Department of Biochemistry, Faculty of Science, Ege University, Izmir 35100, Turkey; (R.H.Ş.); (S.A.)
| | - Özlem Göksel
- Laboratory of Occupational & Environmental Respiratory Diseases and Asthma, Ege University, Izmir 35040, Turkey;
| | - Peter H. M. Hoet
- Department of Public Health and Primary Care, Centre for Environment and Health, KU Leuven, 3000 Leuven, Belgium; (B.B.); (P.H.M.H.)
| | - Jeroen A. J. Vanoirbeek
- Department of Public Health and Primary Care, Centre for Environment and Health, KU Leuven, 3000 Leuven, Belgium; (B.B.); (P.H.M.H.)
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22
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Xu J, Yu Z, Liu X. Angiotensin-(1-7) suppresses airway inflammation and airway remodeling via inhibiting ATG5 in allergic asthma. BMC Pulm Med 2023; 23:422. [PMID: 37919667 PMCID: PMC10623740 DOI: 10.1186/s12890-023-02719-7] [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: 07/14/2023] [Accepted: 10/19/2023] [Indexed: 11/04/2023] Open
Abstract
BACKGROUND Angiotensin (Ang)-(1-7) can reduce airway inflammation and airway remodeling in allergic asthma. Autophagy-related 5 (ATG5) has attracted wide attentions in asthma. However, the effects of Ang-(1-7) on ATG5-mediated autophagy in allergic asthma are unclear. METHODS In this study, human bronchial epithelial cell (BEAS-2B) and human bronchial smooth muscle cell (HBSMC) were treated with different dose of Ang-(1-7) to observe changes of cell viability. Changes of ATG5 protein expression were measured in 10 ng/mL of interleukin (IL)-13-treated cells. Transfection of ATG5 small interference RNA (siRNA) or ATG5 cDNA in cells was used to analyze the effects of ATG5 on secretion of cytokines in the IL-13-treated cells. The effects of Ang-(1-7) were compared to the effects of ATG5 siRNA transfection or ATG5 cDNA transfection in the IL-13-treated cells. In wild-type (WT) mice and ATG5 knockout (ATG5-/-) mice, ovalbumin (OVA)-induced airway inflammation, fibrosis and autophagy were observed. In the OVA-induced WT mice, Ang-(1-7) treatment was performed to observe its effects on airway inflammation, fibrosis and autophagy. RESULTS The results showed that ATG5 protein level was decreased with Ang-(1-7) dose administration in the IL-13-treated BEAS-2B and IL13-treated HBSMC. Ang-(1-7) played similar results to ATG5 siRNA that it suppressed the secretion of IL-25 and IL-13 in the IL-13-treated BEAS-2B cells, and inhibited the expression of transforming growth factor (TGF)-β1 and α-smooth muscle actin (α-SMA) protein in the IL-13-treated HBSMC cells. ATG5 cDNA treatment significantly increased the secretion of IL-25 and IL-13 and expression of TGF-β1 and α-SMA protein in IL-13-treated cells. Ang-(1-7) treatment suppressed the effects of ATG5 cDNA in the IL-13-treated cells. In OVA-induced WT mice, Ang-(1-7) treatment suppressed airway inflammation, remodeling and autophagy. ATG5 knockout also suppressed the airway inflammation, remodeling and autophagy. CONCLUSIONS Ang-(1-7) treatment suppressed airway inflammation and remodeling in allergic asthma through inhibiting ATG5, providing an underlying mechanism of Ang-(1-7) for allergic asthma treatment.
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Affiliation(s)
- Jianfeng Xu
- Department of Pulmonary and Critical Care Medicine, Yantai Yuhuangding Hospital, No.20, Yuhuangding East Road, Zhifu District, Yantai, 264001, China
| | - Zhenyu Yu
- Department of Anesthesiology, Yantai Yuhuangding Hospital, Yantai, 246001, China
| | - Xueping Liu
- Department of Pulmonary and Critical Care Medicine, Yantai Yuhuangding Hospital, No.20, Yuhuangding East Road, Zhifu District, Yantai, 264001, China.
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23
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Thammasonthijarern N, Boonnak K, Reamtong O, Krasae T, Thankansakul J, Phongphaew W, Ampawong S, Adisakwattana P. Amelioration of ovalbumin-induced lung inflammation in a mouse model by Trichinella spiralis novel cystatin. Vet World 2023; 16:2366-2373. [PMID: 38152266 PMCID: PMC10750734 DOI: 10.14202/vetworld.2023.2366-2373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 10/23/2023] [Indexed: 12/29/2023] Open
Abstract
Background and Aims Asthma, a chronic disease affecting humans and animals, has recently become increasingly prevalent and steadily widespread. The alternative treatment of asthma using helminth infections or helminth-derived immunomodulatory molecules (IMs) has been evaluated and demonstrated significant amelioration of disease severity index in vitro and in vivo. Trichinella spiralis, a parasitic nematode and its IMs, elicits a potential to relieve asthma and other immune-related disorders. In this study, we investigated the immunomodulatory function of recombinant T. spiralis novel cystatin (rTsCstN) in ameliorating acute inflammatory asthma disorders in a murine model. Materials and Methods Female BALB/c mice were sensitized using intraperitoneal injection of ovalbumin (OVA)/alum and subsequently challenged with intranasal administration of OVA alone or OVA + rTsCstN for 3 consecutive days, producing OVA-induced allergic asthma models. To evaluate the therapeutic efficacy of rTsCstN, the inflammatory cells and cytokines in bronchoalveolar lavage fluid (BALF) and OVA-specific immunoglobulin E levels in serum were assessed. Histological alterations in the lung tissues were determined by hematoxylin and eosin (H&E) staining and eventually scored for the extent of inflammatory cell infiltration. Results The asthmatic mouse models challenged with OVA + rTsCstN demonstrated a significant reduction of eosinophils (p < 0.01), macrophages (p < 0.05), and cytokines tumor necrosis factor-α (p < 0.05) and interferon (IFN)-γ (p < 0.05) in BALF when compared with the mice challenged with OVA alone. However, the levels of interleukin (IL)-4 and IL-10 remained unchanged. Histological examination revealed that mice administered OVA + rTsCstN were less likely to have inflammatory cell infiltration in their perivascular and peribronchial lung tissues than those administered OVA alone. Conclusion Recombinant T. spiralis novel cystatin demonstrated immunomodulatory effects to reduce severe pathogenic alterations in asthma mouse models, encouraging a viable alternative treatment for asthma and other immunoregulatory disorders in humans and animals in the future.
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Affiliation(s)
- Nipa Thammasonthijarern
- Department of Parasitology, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, Thailand
| | - Kobporn Boonnak
- Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Onrapak Reamtong
- Department of Molecular Tropical Medicine and Genetics, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Thanyaluk Krasae
- Laboratory Animal Science Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Janyaporn Thankansakul
- Kasetsart University Veterinary Teaching Hospital, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, Thailand
| | - Wallaya Phongphaew
- Department of Pathology, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, Thailand
| | - Sumate Ampawong
- Department of Tropical Pathology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Poom Adisakwattana
- Department of Helminthology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
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24
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Allgire E, Ahlbrand RA, Nawreen N, Ajmani A, Hoover C, McAlees JW, Lewkowich IP, Sah R. Altered Fear Behavior in Aeroallergen House Dust Mite Exposed C57Bl/6 Mice: A Model of Th2-skewed Airway Inflammation. Neuroscience 2023; 528:75-88. [PMID: 37516435 PMCID: PMC10530159 DOI: 10.1016/j.neuroscience.2023.07.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 06/05/2023] [Accepted: 07/19/2023] [Indexed: 07/31/2023]
Abstract
There is a growing interest for studying the impact of chronic inflammation, particularly lung inflammation, on the brain and behavior. This includes asthma, a chronic inflammatory condition, that has been associated with psychiatric conditions such as posttraumatic stress disorder (PTSD). Although asthma is driven by elevated production of Th2 cytokines (IL-4, IL-5 and IL-13), which drive asthma symptomology, recent work demonstrates that concomitant Th1 or Th17 cytokine production can worsen asthma severity. We previously demonstrated a detrimental link between PTSD-relevant fear behavior and allergen-induced lung inflammation associated with a mixed Th2/Th17-inflammatory profile in mice. However, the behavioral effects of Th2-skewed airway inflammation, typical to mild/moderate asthma, are unknown. Therefore, we investigated fear conditioning/extinction in allergen house dust mite (HDM)-exposed C57Bl/6 mice, a model of Th2-skewed allergic asthma. Behaviors relevant to panic, anxiety, and depression were also assessed. Furthermore, we investigated the accumulation of Th2/Th17-cytokine-expressing cells in lung and brain, and the neuronal activation marker, ΔFosB, in fear regulatory brain areas. HDM-exposed mice elicited lower freezing during fear extinction with no effects on acquisition and conditioned fear. No HDM effect on panic, anxiety or depression-relevant behaviors was observed. While HDM evoked a Th2-skewed immune response in lung tissue, no significant alterations in brain Th cell subsets were observed. Significantly reduced ΔFosB+ cells in the basolateral amygdala of HDM mice were observed post extinction. Our data indicate that allergen-driven Th2-skewed responses may induce fear extinction promoting effects, highlighting beneficial interactions of Th2-associated immune mediators with fear regulatory circuits.
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Affiliation(s)
- E Allgire
- Dept. of Pharmacology & Systems Physiology, University of Cincinnati, Cincinnati, OH 45220, United States; Neuroscience Graduate Program, University of Cincinnati, Cincinnati, OH 45220, United States
| | - R A Ahlbrand
- Dept. of Pharmacology & Systems Physiology, University of Cincinnati, Cincinnati, OH 45220, United States
| | - N Nawreen
- Dept. of Pharmacology & Systems Physiology, University of Cincinnati, Cincinnati, OH 45220, United States; Neuroscience Graduate Program, University of Cincinnati, Cincinnati, OH 45220, United States
| | - A Ajmani
- Neuroscience Undergraduate Program, University of Cincinnati, Cincinnati, OH 45220, United States
| | - C Hoover
- Neuroscience Undergraduate Program, University of Cincinnati, Cincinnati, OH 45220, United States
| | - J W McAlees
- Division of Immunobiology, Children's Hospital Medical Center, Cincinnati, OH 45220, United States
| | - I P Lewkowich
- Division of Immunobiology, Children's Hospital Medical Center, Cincinnati, OH 45220, United States; Department of Pediatrics, University of Cincinnati, Cincinnati, OH 45220, United States
| | - R Sah
- Dept. of Pharmacology & Systems Physiology, University of Cincinnati, Cincinnati, OH 45220, United States; Neuroscience Graduate Program, University of Cincinnati, Cincinnati, OH 45220, United States; VA Medical Center, Cincinnati, OH 45220, United States.
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25
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Utembe W, Andraos C, Gulumian M. Immunotoxicity of engineered nanomaterials and their role in asthma. Crit Rev Toxicol 2023; 53:491-505. [PMID: 37933836 DOI: 10.1080/10408444.2023.2270519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 10/03/2023] [Indexed: 11/08/2023]
Abstract
The toxicity of engineered nanomaterials (ENMs) in vivo and in vitro has formed the basis of most studies. However, the toxicity of ENMs, particularly on the immune system, i.e. immunotoxicity, and their role in manipulating it, are less known. This review addresses the initiation or exacerbation as well as the attenuation of allergic asthma by a variety of ENMs and how they may be used in drug delivery to enhance the treatment of asthma. This review also highlights a few research gaps in the study of the immunotoxicity of ENMs, for example, the potential drawbacks of assays used in immunotoxicity assays; the potential role of hormesis during dosing of ENMs; and the variables that result in discrepancies among different studies, such as the physicochemical properties of ENMs, differences in asthmatic animal models, and different routes of administration.
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Affiliation(s)
- Wells Utembe
- Toxicology and Biochemistry, National Institute for Occupational Health, National Health Laboratory Service, Johannesburg, South Africa
- Department of Environmental Health, University of Johannesburg, Johannesburg, South Africa
- Environmental Health Division, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa
| | - Charlene Andraos
- Toxicology and Biochemistry, National Institute for Occupational Health, National Health Laboratory Service, Johannesburg, South Africa
- Water Research Group, Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
- School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Mary Gulumian
- Water Research Group, Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
- Haematology and Molecular Medicine Department, University of the Witwatersrand, Johannesburg, South Africa
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Chang LA, Choi A, Rathnasinghe R, Warang P, Noureddine M, Jangra S, Chen Y, De Geest BG, Schotsaert M. Influenza breakthrough infection in vaccinated mice is characterized by non-pathological lung eosinophilia. Front Immunol 2023; 14:1217181. [PMID: 37600776 PMCID: PMC10437116 DOI: 10.3389/fimmu.2023.1217181] [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: 05/04/2023] [Accepted: 07/17/2023] [Indexed: 08/22/2023] Open
Abstract
Eosinophils are important mediators of mucosal tissue homeostasis, anti-helminth responses, and allergy. Lung eosinophilia has previously been linked to aberrant Type 2-skewed T cell responses to respiratory viral infection and may also be a consequence of vaccine-associated enhanced respiratory disease (VAERD), particularly in the case of respiratory syncytial virus (RSV) and the formalin-inactivated RSV vaccine. We previously reported a dose-dependent recruitment of eosinophils to the lungs of mice vaccinated with alum-adjuvanted trivalent inactivated influenza vaccine (TIV) following a sublethal, vaccine-matched H1N1 (A/New Caledonia/20/1999; NC99) influenza challenge. Given the differential role of eosinophil subset on immune function, we conducted the investigations herein to phenotype the lung eosinophils observed in our model of influenza breakthrough infection. Here, we demonstrate that eosinophil influx into the lungs of vaccinated mice is adjuvant- and sex-independent, and only present after vaccine-matched sublethal influenza challenge but not in mock-challenged mice. Furthermore, vaccinated and challenged mice had a compositional shift towards more inflammatory eosinophils (iEos) compared to resident eosinophils (rEos), resembling the shift observed in ovalbumin (OVA)-sensitized allergic control mice, however without any evidence of enhanced morbidity or aberrant inflammation in lung cytokine/chemokine signatures. Furthermore, we saw a lung eosinophil influx in the context of a vaccine-mismatched challenge. Additional layers of heterogeneity in the eosinophil compartment were observed via unsupervised clustering analysis of flow cytometry data. Our collective findings are a starting point for more in-depth phenotypic and functional characterization of lung eosinophil subsets in the context of vaccine- and infection-induced immunity.
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Affiliation(s)
- Lauren A. Chang
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Angela Choi
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Raveen Rathnasinghe
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Prajakta Warang
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Moataz Noureddine
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Sonia Jangra
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Yong Chen
- Department of Pharmaceutics, Ghent University, Ghent, Belgium
| | | | - Michael Schotsaert
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
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Zhang M, Si SJ, Dai WJ, Yang J, Wang Y, Wei XR, Liu S, Xu CY, Zhang C, Jin F, Jiang LQ. A large particle size is required by a nano/micron sized-fluticasone propionate inhalable suspension for asthma treatment. Colloids Surf B Biointerfaces 2023; 228:113364. [PMID: 37290201 DOI: 10.1016/j.colsurfb.2023.113364] [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: 04/04/2023] [Revised: 05/21/2023] [Accepted: 05/22/2023] [Indexed: 06/10/2023]
Abstract
The nano/micron sized-fluticasone propionate inhalable suspension (FPs) is used for asthma treatment, and this study aimed to elucidate the effects of particle size on the absorption of FPs by various pulmonary cells and the subsequent therapeutic efficacy for asthma. FPs of 727, 1136 and 1612 nm were prepared, and an increase in diameter diminished the endocytosis and macropinocytosis of FPs by alveolar epithelial cells (A549 and Calu-3 cells) but facilitated their uptake by M2-like macrophages; results about the transport across Calu-3 monolayer showed the mucus layer was the main rate-limiting step for the uptake of FPs by epithelial cells; the animal tests showed that although a decrease in diameter improved the pulmonary absorption of FPs, the particle size did not affect the lung distribution of FPs; a further detection revealed that larger FPs were taken more effectively by alveolar macrophages and lymphocytes and exerted a better therapeutic effect on asthma than the smaller ones. This study showed that the particle size of FPs had a significant impact on their absorption, elimination and cellular distribution in the lung after inhalation and further on their effectiveness in asthma treatment, and the particle size of the nano/micron sized-FPs should be designed and optimized for asthma treatment on the premise of meeting the requirements of inhalation preparations.
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Affiliation(s)
- Mi Zhang
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China
| | - Su Jia Si
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China
| | - Wen Jin Dai
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China
| | - Jian Yang
- The Affiliated Lianyungang Hospital of Xuzhou Medical University, 222002, China
| | - Yan Wang
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China
| | - Xiang Rong Wei
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China
| | - Shuo Liu
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China
| | - Cheng Yi Xu
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China
| | - Cong Zhang
- Shanghai Fangyu Health Pharmaceutical Technology Co., Ltd, Shanghai 200000, China
| | - Fang Jin
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China.
| | - Li Qun Jiang
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China.
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Ali NH, Rehman S, Naqvi M, Gulati K, Ray A. Modulation of Immunological, Biochemical, and Histopathological Changes of Airway Remodeling by Withania somnifera in an Experimental Model of Allergic Asthma in Rats. J Pharmacopuncture 2023; 26:158-166. [PMID: 37405114 PMCID: PMC10315884 DOI: 10.3831/kpi.2023.26.2.158] [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: 11/09/2022] [Revised: 11/14/2022] [Accepted: 02/27/2023] [Indexed: 07/06/2023] Open
Abstract
Objectives Airway remodeling in asthma involves chronic inflammation associated with structural changes, which result in severe airflow limitation and very few therapeutic options. Thus, the present study was designed to experimentally evaluate the ameliorative effects of Withania somnifera (WS) root extract against Ovalbumin (OVA)-induced airway remodeling in a rat model of asthma. Methods Wistar rats were immunized (i.p) and challenged (aerosol) with ovalbumin (OVA), and the effects of WS extract were investigated on the development and progress of airway remodeling by assessing immunological, biochemical, and histological changes in these rats. Results OVA-immunization and challenge in rats resulted in significant increases in the levels of IL-13, 8-OhdG, TGF-β, hydroxyproline, and periostin in bronchoalveolar lavage fluid (BALF) and serum/lung homogenate compared to normal control (saline only) rats, and these changes were attenuated after WS extract (200 and 400 mg/kg), as well as dexamethasone (DEX, 1 mg/kg) pretreatments. Further, WS extract attenuated histopathological changes and maintained lung integrity. In herb-drug interactions, sub-threshold doses of WS extract and DEX showed synergistic effects on all parameters studied as compared to either form of monotherapy. Conclusion These results indicated that WS exerted significant protective effects against airway remodeling in the experimental model by modulating inflammatory and fibrotic cytokines, and could have the potential for developing a therapeutic alternative/adjunct for the treatment of airway remodeling of bronchial asthma.
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Affiliation(s)
- Nafaa Hasan Ali
- Department of Pharmacology, Hamdard Institute of Medical Sciences and Research (HIMSR), Jamia Hamdard University, New Delhi, India
| | - Sana Rehman
- Department of Pharmacology, Hamdard Institute of Medical Sciences and Research (HIMSR), Jamia Hamdard University, New Delhi, India
| | - Maaz Naqvi
- Department of Pharmacology, Hamdard Institute of Medical Sciences and Research (HIMSR), Jamia Hamdard University, New Delhi, India
| | - Kavita Gulati
- Department of Pharmacology, Vallabhbhai Patel Chest Institute, University of Delhi, Delhi, India
| | - Arunabha Ray
- Department of Pharmacology, Hamdard Institute of Medical Sciences and Research (HIMSR), Jamia Hamdard University, New Delhi, India
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Ahn SY, Lee J, Lee DH, Ho TL, Le CTT, Ko EJ. Chronic allergic asthma induces T-cell exhaustion and impairs virus clearance in mice. Respir Res 2023; 24:160. [PMID: 37424011 DOI: 10.1186/s12931-023-02448-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 05/11/2023] [Indexed: 07/11/2023] Open
Abstract
BACKGROUND Allergic asthma, one of the most common types of asthma, is thought to be highly susceptible to respiratory viral infections; however, its pathological mechanism needs to be elucidated. Recent studies have found impaired T-cell function in asthmatic mice. Therefore, we aimed to investigate the way by which asthma induction affects T-cell exhaustion in the lungs and assess the relationship between T-cell exhaustion and influenza viral infection. METHODS Chronic allergic asthma mice were induced by intranasal injection of ovalbumin for 6 weeks and asthmatic features and T cell populations in lung or airway were assessed. To determine the influenza virus susceptibility, control and asthma mice were challenged with the human influenza virus strain A/Puerto Rico/8/1934 H1N1 and evaluated the survival rate, lung damage, and virus titer. RESULTS Six weeks of OVA sensitization and challenge successfully induced chronic allergic asthma in a mouse model showing significant increase of sera IgE level and broncho-pathological features. A significant decrease in interferon-γ-producing T-cell populations and an increase in exhausted T-cell populations in the lungs of OVA-induced asthmatic mice were observed. Asthmatic mice were more susceptible to influenza virus infection than control mice showing lower survival rate and higher virus titer in lung, and a positive correlation existed between T-cell exhaustion in the lung and virus titer. CONCLUSIONS Asthma induction in mice results in the exhaustion of T-cell immunity, which may contribute to the defective capacity of viral protection. This study demonstrates a correlation between asthma conditions and viral susceptibility by investigating the functional characteristics of T-cells in asthma. Our results provide insights into the development of strategies to overcome the dangers of respiratory viral disease in patients with asthma.
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Affiliation(s)
- So Yeon Ahn
- Veterinary Medical Research Institute, Jeju National University, 63243, Jeju, Republic of Korea
- Department of Veterinary Medicine, College of Veterinary Medicine, Jeju National University, 63243, Jeju, Republic of Korea
| | - Jueun Lee
- Veterinary Medical Research Institute, Jeju National University, 63243, Jeju, Republic of Korea
- Department of Veterinary Medicine, College of Veterinary Medicine, Jeju National University, 63243, Jeju, Republic of Korea
| | - Dong-Ha Lee
- Veterinary Medical Research Institute, Jeju National University, 63243, Jeju, Republic of Korea
- Department of Veterinary Medicine, College of Veterinary Medicine, Jeju National University, 63243, Jeju, Republic of Korea
| | - Thi Len Ho
- Interdisciplinary Graduate Program in Advanced Convergence Technology & Science, Jeju National University, 63243, Jeju, Republic of Korea
| | - Chau Thuy Tien Le
- Interdisciplinary Graduate Program in Advanced Convergence Technology & Science, Jeju National University, 63243, Jeju, Republic of Korea
- Lee Kong Chian School of Medicine, Nanyang Technological University, 639798, Singapore, Singapore
| | - Eun-Ju Ko
- Veterinary Medical Research Institute, Jeju National University, 63243, Jeju, Republic of Korea.
- Department of Veterinary Medicine, College of Veterinary Medicine, Jeju National University, 63243, Jeju, Republic of Korea.
- Interdisciplinary Graduate Program in Advanced Convergence Technology & Science, Jeju National University, 63243, Jeju, Republic of Korea.
- Center for Inflammation, Immunity & Infection, Institute for Biomedical Sciences, Georgia State University, 30303, Atlanta, USA.
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Sato S, Kawano T, Ike E, Takahashi K, Sakurai J, Miyasaka T, Miyauchi Y, Ishizawa F, Takayanagi M, Takahashi T. IL-1β Derived Th17 Immune Responses Are a Critical Factor for Neutrophilic-Eosinophilic Airway Inflammation on Psychological Stress-Induced Immune Tolerance Breakdown in Mice. Int Arch Allergy Immunol 2023; 184:797-807. [PMID: 37231861 PMCID: PMC10413803 DOI: 10.1159/000529108] [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: 10/14/2022] [Accepted: 12/30/2022] [Indexed: 05/27/2023] Open
Abstract
INTRODUCTION Asthma is an inflammatory reaction mediated by type 2 helper T (Th2) cells and is known to increase eosinophil levels. Our previous study showed that stress-related asthma can cause neutrophilic and eosinophilic airway inflammation by suppressing immune tolerance. However, the mechanism of stress-induced neutrophilic and eosinophilic airway inflammation remains unclear. Therefore, to elucidate the cause of neutrophilic and eosinophilic inflammation, we investigated the immune response during the induction of airway inflammation. In addition, we focused on the relationship between immune response modulation immediately after stress exposure and the development of airway inflammation. METHODS Asthmatic mice were induced by three phases using female BALB/c mice. During the first phase, the mice were made to inhale ovalbumin (OVA) to induce immune tolerance before sensitization. Some mice were exposed to restraint stress during the induction of immune tolerance. In the second phase, the mice were sensitized with OVA/alum intraperitoneal injections. In the final phase, onset of asthma was induced through OVA exposure. Asthma development was evaluated based on airway inflammation and T-cell differentiation. Microarray and qPCR analyses were used to enumerate candidate factors to investigate the starting point of immunological modification immediately after stress exposure. Furthermore, we focused on interleukin-1β (IL-1β), which initiates these immune modifications, and performed experiments using its receptor blocker interleukin-1 receptor antagonist (IL-1RA). RESULTS Stress exposure during immune tolerance induction increased eosinophil and neutrophil airway infiltration. This inflammation was associated with decreased T regulatory cell levels and increased Th2 and Th17 levels in bronchial lymph node cells. Microarray and qPCR analyses showed that the initiation of Th17 differentiation might be triggered by stress exposure during tolerance induction. IL-1RA administration during stress exposure suppressed neutrophilic and eosinophilic airway inflammation via Th17 reduction and Treg increase. CONCLUSIONS Our results show that psychological stress causes both eosinophilic and neutrophilic inflammatory responses due to the breakdown of immune tolerance. Furthermore, stress-induced inflammation can be abolished using IL-1RA.
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Affiliation(s)
- Shinsuke Sato
- Division of Pathophysiology, Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, Japan
- Department of Pharmacy, Tohoku Medical Pharmaceutical University Wakabayashi Hospital, Sendai, Japan
| | - Tasuku Kawano
- Division of Pathophysiology, Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Erina Ike
- Division of Pathophysiology, Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Kento Takahashi
- Division of Pathophysiology, Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Junji Sakurai
- Department of Pharmacy, Tohoku Medical Pharmaceutical University Wakabayashi Hospital, Sendai, Japan
| | - Tomomitsu Miyasaka
- Center for Medical Education, Faculty of Medicine, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Yasuo Miyauchi
- Department of Pharmacy, Tohoku Medical Pharmaceutical University Wakabayashi Hospital, Sendai, Japan
| | - Fumiaki Ishizawa
- Department of Pharmacy, Tohoku Medical Pharmaceutical University Wakabayashi Hospital, Sendai, Japan
| | - Motoaki Takayanagi
- Division of Pathophysiology, Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Tomoko Takahashi
- Division of Pathophysiology, Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, Japan
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Carroll OR, Pillar AL, Brown AC, Feng M, Chen H, Donovan C. Advances in respiratory physiology in mouse models of experimental asthma. Front Physiol 2023; 14:1099719. [PMID: 37008013 PMCID: PMC10060990 DOI: 10.3389/fphys.2023.1099719] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 02/07/2023] [Indexed: 03/18/2023] Open
Abstract
Recent advances in mouse models of experimental asthma coupled with vast improvements in systems that assess respiratory physiology have considerably increased the accuracy and human relevance of the outputs from these studies. In fact, these models have become important pre-clinical testing platforms with proven value and their capacity to be rapidly adapted to interrogate emerging clinical concepts, including the recent discovery of different asthma phenotypes and endotypes, has accelerated the discovery of disease-causing mechanisms and increased our understanding of asthma pathogenesis and the associated effects on lung physiology. In this review, we discuss key distinctions in respiratory physiology between asthma and severe asthma, including the magnitude of airway hyperresponsiveness and recently discovered disease drivers that underpin this phenomenon such as structural changes, airway remodeling, airway smooth muscle hypertrophy, altered airway smooth muscle calcium signaling, and inflammation. We also explore state-of-the-art mouse lung function measurement techniques that accurately recapitulate the human scenario as well as recent advances in precision cut lung slices and cell culture systems. Furthermore, we consider how these techniques have been applied to recently developed mouse models of asthma, severe asthma, and asthma-chronic obstructive pulmonary disease overlap, to examine the effects of clinically relevant exposures (including ovalbumin, house dust mite antigen in the absence or presence of cigarette smoke, cockroach allergen, pollen, and respiratory microbes) and to increase our understanding of lung physiology in these diseases and identify new therapeutic targets. Lastly, we focus on recent studies that examine the effects of diet on asthma outcomes, including high fat diet and asthma, low iron diet during pregnancy and predisposition to asthma development in offspring, and environmental exposures on asthma outcomes. We conclude our review with a discussion of new clinical concepts in asthma and severe asthma that warrant investigation and how we could utilize mouse models and advanced lung physiology measurement systems to identify factors and mechanisms with potential for therapeutic targeting.
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Affiliation(s)
- Olivia R. Carroll
- Hunter Medical Research Institute, The University of Newcastle, Newcastle, NSW, Australia
| | - Amber L. Pillar
- Hunter Medical Research Institute, The University of Newcastle, Newcastle, NSW, Australia
| | - Alexandra C. Brown
- Hunter Medical Research Institute, The University of Newcastle, Newcastle, NSW, Australia
| | - Min Feng
- Faculty of Science, School of Life Sciences, University of Technology Sydney, Sydney, NSW, Australia
| | - Hui Chen
- Faculty of Science, School of Life Sciences, University of Technology Sydney, Sydney, NSW, Australia
| | - Chantal Donovan
- Hunter Medical Research Institute, The University of Newcastle, Newcastle, NSW, Australia
- Faculty of Science, School of Life Sciences, University of Technology Sydney, Sydney, NSW, Australia
- *Correspondence: Chantal Donovan,
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Arora S, Tagde P, Alam S, Akram W, Naved T, Gupta S. Influence of toll-like receptor-4 antagonist on bacterial load of asthma in Swiss albino mice: targeting TLR4/MD2 complex pathway. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:32854-32865. [PMID: 36472742 DOI: 10.1007/s11356-022-24521-4] [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: 06/27/2022] [Accepted: 11/27/2022] [Indexed: 06/17/2023]
Abstract
Air pollution and environmental issues significantly impact life, resulting in the emergence and exacerbation of allergic asthma and other chronic respiratory infections. The main objective of this study is to suppress allergic asthma by TAK-242 from lipopolysaccharide-induced airway inflammation primarily stimulating toll-like receptor-4, and also to determine the potential mechanism of asthma eradication. The TAK-242 anti-allergic action was assured through the ovalbumin murine model of asthma via bronchial hyperresponsiveness and inflammation of the respiration tract in a pre-existing allergic inflammation paradigm. Swiss albino mice were sensitized and then challenged by ovalbumin and lipopolysaccharide for 5 days straight. TAK-242 reaction was assessed by inflammatory cytokines, and inflammatory cell count was determined from blood serum and bronchoalveolar lavage fluid, as well as group-wise regular weight assessments. After ovalbumin, lipopolysaccharide infusion, toll-like receptor-4 agonists caused a substantial increase in airway hyperresponsiveness, specific cellular inflammation, histological alterations, and immune mediator synthesis, as well as dose-related body-weight variations. A decrease in lipopolysaccharide-induced leukocyte count and Th1/Th17 related cytokines, TNF-α, and IL-6 expression through the ELISA study was particularly noticeable. Finally in treated groups, TAK-242, a TLR4/MD2 complex inhibitor, reduced airway inflammation and histopathological changes, cytokine expression, and body-weight management. TAK-242 has been found in an ovalbumin allergic asthma model to be a potential inhibitor of lipopolysaccharide-induced respiratory infection.
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Affiliation(s)
- Swamita Arora
- Amity Institute of Pharmacy, Amity University, Noida, U.P. 201303, India
| | - Priti Tagde
- Amity Institute of Pharmacy, Amity University, Noida, U.P. 201303, India.
| | - Sanjar Alam
- R.V. Northland Institute of Pharmacy, Gautam Buddh Nagar, Ghaziabad, U.P. 203207, India
| | - Wasim Akram
- R.V. Northland Institute of Pharmacy, Gautam Buddh Nagar, Ghaziabad, U.P. 203207, India
| | - Tanveer Naved
- Amity Institute of Pharmacy, Amity University, Noida, U.P. 201303, India
| | - Sangeetha Gupta
- Amity Institute of Pharmacy, Amity University, Noida, U.P. 201303, India.
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Li Z, Geng Y, Wu Q, Jin X, Seshadri VD, Liu H. Triptonide, a Diterpenoid Displayed Anti-Inflammation, Antinociceptive, and Anti-Asthmatic Efficacy in Ovalbumin-Induced Mouse Model. Appl Biochem Biotechnol 2023; 195:1736-1751. [PMID: 36383309 DOI: 10.1007/s12010-022-04167-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/28/2022] [Indexed: 11/17/2022]
Abstract
The present study was intended to explore the valuable effects of triptonide on inflammation, asthmatic, and nociceptive. Triptonide possesses numerous beneficial effects extensively managed in the treatment of inflammation disease condition. Initially, triptonide showed anti-inflammation properties over lipopolysaccharide-induced RAW 264.7 cells. Hence, the present study was directed to explore the protecting efficacy of triptonide in ovalbumin (OVA)-induced asthma in mice. Asthma was induced intraperitoneally administration (200μL) in female BALB/c mice with suspension which has ovalbumin (100 μg/mL) and aluminum hydroxide (10 mg/mL). Triptonide (30 mg/kg) over OVA-induced experimental animals altered lung mass, nitric oxide, myeloperoxidase, immunoglobulin E status, interleukins (4, 5, and 13) inflammatory cytokines status, and histological modifications. Animals were also managed with the standard drug dexamethasone (50 mg/kg) followed by the asthma induction, which is also efficient over OVA-induced experimental animals. The nociception was provoked in male Swiss mice by various chemicals (acetic acid, capsaicin, and glutamate). The animals were administered with triptonide (5, 10, and 15 mg/kg) and separate standard drugs like diclofenac sodium (10 mg/kg) and morphine (5 mg/kg) over chemical-induced nociceptive animals. The present outcome evidently established that the triptonide considerably reduced the various chemical-induced nociception in mice (Fig. 7A, B, and C). Ultimately, the present work explored the evident powerful anti-inflammation, antinociceptive, and anti-asthma properties of a diterpenoid, triptonide experimental animal models. And it is recommended that triptonide is an excellent compound in the management of asthma and its related diseases.
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Affiliation(s)
- Zhen Li
- Department of Pulmonary and Critical Care Medicine, Shandong Second Provincial General Hospital, Shandong Province, Jinan, 250012, China
| | - Yanhong Geng
- Department of Respiratory Medicine, PKU Care Zibo Hospital, Shandong Province, Zibo, 255000, China
| | - Qingke Wu
- Anser Science Joint Laboratory Platform, Anser Press Group, Shandong Province, Jinan, 250000, China
| | - Xin Jin
- Anser Science Joint Laboratory Platform, Anser Press Group, Shandong Province, Jinan, 250000, China
| | - Vidya Devanathadesikan Seshadri
- Department of Pharmacology and Toxicology, College of Pharmacy, Prince Sattam Bin Abdul Aziz University, Al-Kharj, Kingdom of Saudi Arabia
| | - Hao Liu
- Department of Anesthesiology, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Shandong Province, Jinan, 250014, China. .,Department of Anesthesiology, Central Hospital Affiliated to Shandong First Medical University, Shandong Province, Jinan, 250014, China.
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Xu J, Yang L, Lin T. β-sitosterol targets glucocorticoid receptor to reduce airway inflammation and remodeling in allergic asthma. Pulm Pharmacol Ther 2023; 78:102183. [PMID: 36481301 DOI: 10.1016/j.pupt.2022.102183] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 11/02/2022] [Accepted: 12/04/2022] [Indexed: 12/12/2022]
Abstract
INTRODUCTION In most asthma patients, symptoms are controlled by treatment with glucocorticoid, but long-term or high-dose use can produce adverse effects. Therefore, it is crucial to find new therapeutic strategies. β-sitosterol could suppress type Ⅱ inflammation in ovalbumin (OVA)-induced mice, but its mechanisms have remained unclear. METHODS A binding activity of β-sitosterol with glucocorticoid receptor (GR) was analyzed by molecular docking. Human bronchial epithelial cells (BEAS-2B) and human bronchial smooth muscle cells (HBSMC) were treated with different concentrations (0, 1, 5, 10, 20, and 50 μg/mL) of β-sitosterol for suitable concentration selection. In transforming growth factor (TGF)-β1 treated BEAS-2B and HBSMC, cells were treated with 20 μg/mL β-sitosterol or dexamethasone (Dex) to analyze its possible mechanism. In OVA-induced mice, 2.5 mg/kg β-sitosterol or Dex administration was performed to analyze the therapeutic mechanism of β-sitosterol. A GR antagonist RU486 was used to confirm the mechanism of β-sitosterol in the treatment of asthma. RESULTS A good binding of β-sitosterol to GR (score = -8.2 kcal/mol) was found, and the GR expression was upregulated with β-sitosterol dose increase in BEAS-2B and HBSMC. Interleukin (IL)-25 and IL-33 secretion was significantly decreased by β-sitosterol in the TGF-β1-induced BEAS-2B, and the levels of collagen 1A and α-smooth muscle actin (SMA) were reduced in the TGF-β1-induced HBSMC. In the OVA-challenged mice, β-sitosterol treatment improved airway inflammation and remodeling through suppressing type Ⅱ immune response and collagen deposition. The therapeutic effects of β-sitosterol were similar to Dex treatment in vitro and in vivo. RU486 treatment clearly hampered the therapeutic effects of β-sitosterol in the TGF-β1-induced cells and OVA-induced mice. CONCLUSION This study identified that β-sitosterol binds GR to perform its functions in asthma treatment. β-sitosterol represent a potential therapeutic drug for allergic asthma.
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Affiliation(s)
- Jianfeng Xu
- Pulmonary and Critical Care Medicine, Yantai Yuhuangding Hospital, Yantai, 264000, China
| | - Lei Yang
- Pulmonary and Critical Care Medicine, Central Hospital Affiliated to Shandong First Medical University, Jinan, 250000, China
| | - Tiantian Lin
- Pulmonary and Critical Care Medicine, Yantai Yuhuangding Hospital, Yantai, 264000, China.
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Xu J, Yu Z, Li W. Kaempferol inhibits airway inflammation induced by allergic asthma through NOX4-Mediated autophagy. Hum Exp Toxicol 2023; 42:9603271231154227. [PMID: 36803065 DOI: 10.1177/09603271231154227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
BACKGROUND Kaempferol has important medicinal value in the treatment of asthma. However, its mechanism of action has not been fully understood and needs to be explored and studied. METHODS A binding activity of kaempferol with nicotinamide adenine dinucleotide phosphate oxidase 4 (NOX4) was analyzed by molecular docking. Human bronchial epithelial cells (BEAS-2B) were treated with different concentrations (0, 1, 5, 10, 20, 40 μg/mL) of kaempferol to select its suitable concentration. In the transforming growth factor (TGF)-β1-induced BEAS-2B, cells were treated with 20 μg/mL kaempferol or 20 μM GLX35132 (a NOX4 inhibitor) to analyze its effects on NOX4-mediated autophagy. In the ovalbumin (OVA)-induced mice, 20 mg/kg kaempferol or 3.8 mg/kg GLX351322 administration was performed to analyze the therapeutic effects of kaempferol on NOX4-mediated autophagy. An autophagy activator, rapamycin, was used to confirm the mechanism of kaempferol in treatment of allergic asthma. RESULTS A good binding of kaempferol to NOX4 (score = -9.2 kcal/mol) was found. In the TGF-β1-induced BEAS-2B, the NOX4 expression was decreased with kaempferol dose increase. The secretions of IL-25 and IL-33, and the NOX4-mediated autophagy were significantly decreased by kaempferol treatment in the TGF-β1-induced BEAS-2B. In the OVA-challenged mice, kaempferol treatment improved airway inflammation and remodeling through suppressing NOX4-mediated autophagy. The rapamycin treatment clearly hampered the therapeutic effects of kaempferol in the TGF-β1-induced cells and OVA-induced mice. CONCLUSIONS This study identifies kaempferol binds NOX4 to perform its functions in the treatment of allergic asthma, providing an effective therapeutic strategy in the further treatment of asthma.
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Affiliation(s)
- Jianfeng Xu
- Department of Pulmonary and Critical Care Medicine, 117747Yantai Yuhuangding Hospital, Yantai, China
| | - Zhenyu Yu
- Department of Anesthesiology, 117747Yantai Yuhuangding Hospital, Yantai, China
| | - Wei Li
- Department of Pulmonary and Critical Care Medicine, 117747Yantai Yuhuangding Hospital, Yantai, China
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Maeng J, Lee K. Protein transduction domain of translationally controlled tumor protein: characterization and application in drug delivery. Drug Deliv 2022; 29:3009-3021. [PMID: 36104954 PMCID: PMC9481085 DOI: 10.1080/10717544.2022.2122636] [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] [Indexed: 11/22/2022] Open
Abstract
Our research group reported in 2011 the discovery of a novel cell-penetrating moiety in the N-terminus of the human translationally controlled tumor protein (TCTP). This moiety was responsible for the previously noted membrane translocating ability of purified full-length TCTP. The hydrophobic nature of TCTP-derived protein transduction domain (TCTP-PTD) endowed it with unique characteristics compared to other well-known cationic PTDs, such as TAT-PTD. TCTP-PTD internalizes partly through lipid-raft/caveolae-dependent endocytosis and partly by macropinocytosis. After cell entry, caveosome-laden TCTP-PTD appears to move to the cytoplasm and cytoskeleton except for the nucleus possibly through the movement to endoplasmic reticulum (ER). TCTP-PTD efficiently facilitates delivery of various types of cargos, such as peptides, proteins, and nucleic acids in vitro and in vivo. It is noteworthy that TCTP-PTD and its variants promote intranasal delivery of antidiabetics including, insulin and exendin-4 and of antigens for immunization in vivo, suggesting its potential for drug delivery. In this review, we attempted to describe recent advances in the understanding regarding the identification of TCTP-PTD, the characteristics of its cellular uptake, and the usefulness as a vehicle for delivery into cells of a variety of drugs and macromolecules. Our investigative efforts are continuing further to delineate the details of the functions and the regulatory mechanisms of TCTP-PTD-mediated cellular penetration and posttranslational modification of TCTP in physiologic and pathological processes. This is a review of what we currently know regarding TCTP-PTD and its use as a vehicle for the transduction of drugs and other molecules.
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Affiliation(s)
- Jeehye Maeng
- Graduate School of Pharmaceutical Sciences, College of Pharmacy, Ewha Womans University, Seoul, Republic of Korea
| | - Kyunglim Lee
- Graduate School of Pharmaceutical Sciences, College of Pharmacy, Ewha Womans University, Seoul, Republic of Korea
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Song MK, Eun Park J, Ryu SH, Baek YW, Kim YH, Im Kim D, Yoon SH, Shin H, Jeon J, Lee K. Biodistribution and respiratory toxicity of chloromethylisothiazolinone/methylisothiazolinone following intranasal and intratracheal administration. ENVIRONMENT INTERNATIONAL 2022; 170:107643. [PMID: 36403329 DOI: 10.1016/j.envint.2022.107643] [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: 08/30/2022] [Revised: 11/15/2022] [Accepted: 11/15/2022] [Indexed: 06/16/2023]
Abstract
A variety of isothiazolinone-containing small molecules have been registered and used as chemical additives in many household products. However, their biodistribution and potential harmful effects on human health, especially respiratory effects, were not yet identified in sufficient detail. The purpose of this study was to investigate whether a biocide comprising a mixture of chloromethylisothiazolinone (CMIT) and methylisothiazolinone (MIT) could reach the lungs and induce lung injury when exposure occurs by two administration routes involving the respiratory tract: intratracheal and intranasal instillation. To investigate the biodistribution of CMIT/MIT, we quantified the uptake of 14C-labeled CMIT/MIT in experimental animals for up to seven days after intratracheal and intranasal instillation. In the toxicity study, lung injury was assessed in mice using total inflammatory cell count in bronchoalveolar lavage fluid (BALF) and lung histopathology. The results of the biodistribution study indicated that CMIT/MIT were rapidly distributed throughout the respiratory tract. Using quantitative whole-body autoradiogram analysis, we confirmed that following intranasal exposure, CMIT/MIT reached the lungs via the respiratory tract (nose-trachea-lung). After 5 min post intratracheal and intranasal instillation, the amount of radiotracer ([14C]CMIT/MIT) in the lungs was 2720 ng g-1 and 752 ng g-1 tissue, respectively, and lung damage was observed. A higher amount of the radiotracer resulted in higher toxicity. Both intratracheal and intranasal instillation of CMIT/MIT increased inflammatory cell counts in the BALF and induced injuries in the alveoli. The frequency and the severity scores of injuries caused by intratracheal instillation were approximately-four to five times higher than those induced by intranasal instillation. Therefore, we concluded that CMIT/MIT could reach the lungs following nasal and intratracheal exposure and cause lung injuries, and the extent of injury was dependent on the exposure dose.
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Affiliation(s)
- Mi-Kyung Song
- Inhalation Toxicology Center for Airborne Risk Factor, Korea Institute of Toxicology, 30 Baehak1-gil, Jeongeup, Jeollabuk-do 56212, Republic of Korea; Department of Human and Environmental Toxicology, University of Science & Technology, 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Republic of Korea
| | - Jung Eun Park
- Department of Applied Chemistry, College of Engineering, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea
| | - Seung-Hun Ryu
- Humidifier Disinfectant Health Center, Environmental Health Research Department, National Institute of Environmental Research, Hwangyong-ro 42, Seo-gu, Incheon 22689, Republic of Korea
| | - Yong-Wook Baek
- Humidifier Disinfectant Health Center, Environmental Health Research Department, National Institute of Environmental Research, Hwangyong-ro 42, Seo-gu, Incheon 22689, Republic of Korea
| | - Young-Hee Kim
- Humidifier Disinfectant Health Center, Environmental Health Research Department, National Institute of Environmental Research, Hwangyong-ro 42, Seo-gu, Incheon 22689, Republic of Korea
| | - Dong Im Kim
- Inhalation Toxicology Center for Airborne Risk Factor, Korea Institute of Toxicology, 30 Baehak1-gil, Jeongeup, Jeollabuk-do 56212, Republic of Korea
| | - Sung-Hoon Yoon
- Inhalation Toxicology Center for Airborne Risk Factor, Korea Institute of Toxicology, 30 Baehak1-gil, Jeongeup, Jeollabuk-do 56212, Republic of Korea
| | - Hyunil Shin
- KRCC Co., Ltd., 20 Neunganmal 2-gil, Seocho-gu, Seoul 06801, Republic of Korea
| | - Jongho Jeon
- Department of Applied Chemistry, College of Engineering, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea.
| | - Kyuhong Lee
- Inhalation Toxicology Center for Airborne Risk Factor, Korea Institute of Toxicology, 30 Baehak1-gil, Jeongeup, Jeollabuk-do 56212, Republic of Korea; Department of Human and Environmental Toxicology, University of Science & Technology, 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Republic of Korea.
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El-Baz LM, Elaidy SM, Hafez HS, Shoukry NM. Vismodegib, a sonic hedgehog signalling blockade, ameliorates ovalbumin and ovalbumin/lipopolysaccharide-induced airway inflammation and asthma phenotypical models. Life Sci 2022; 310:121119. [DOI: 10.1016/j.lfs.2022.121119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/17/2022] [Accepted: 10/20/2022] [Indexed: 11/09/2022]
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Lin CC, Chuang KC, Chen SW, Chao YH, Yen CC, Yang SH, Chen W, Chang KH, Chang YK, Chen CM. Lactoferrin Ameliorates Ovalbumin-Induced Asthma in Mice through Reducing Dendritic-Cell-Derived Th2 Cell Responses. Int J Mol Sci 2022; 23:ijms232214185. [PMID: 36430662 PMCID: PMC9696322 DOI: 10.3390/ijms232214185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/05/2022] [Accepted: 11/07/2022] [Indexed: 11/18/2022] Open
Abstract
Asthma is a chronic respiratory disease with symptoms such as expiratory airflow narrowing and airway hyperresponsiveness (AHR). Millions of people suffer from asthma and are at risk of life-threatening conditions. Lactoferrin (LF) is a glycoprotein with multiple physiological functions, including antioxidant, anti-inflammatory, antimicrobial, and antitumoral activities. LF has been shown to function in immunoregulatory activities in ovalbumin (OVA)-induced delayed type hypersensitivity (DTH) in mice. Hence, the purpose of this study was to investigate the roles of LF in AHR and the functions of dendritic cells (DCs) and Th2-related responses in asthma. Twenty 8-week-old male BALB/c mice were divided into normal control (NC), ovalbumin (OVA)-sensitized, and OVA-sensitized with low dose of LF (100 mg/kg) or high dose of LF (300 mg/kg) treatment groups. The mice were challenged by intranasal instillation with 5% OVA on the 21st to 27th day after the start of the sensitization period. The AHR, cytokines in bronchoalveolar lavage fluid, and pulmonary histology of each mouse were measured. Serum OVA-specific IgE and IgG1 and OVA-specific splenocyte responses were further detected. The results showed that LF exhibited protective effects in ameliorating AHR, as well as lung inflammation and damage, in reducing the expression of Th2 cytokines and the secretion of allergen-specific antibodies, in influencing the functions of DCs, and in decreasing the level of Th2 immune responses in a BALB/c mouse model of OVA-induced allergic asthma. Importantly, we demonstrated that LF has practical application in reducing DC-induced Th2 cell responses in asthma. In conclusion, LF exhibits anti-inflammation and immunoregulation activities in OVA-induced allergic asthma. These results suggest that LF may act as a supplement to prevent asthma-induced lung injury and provide an additional agent for reducing asthma severity.
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Affiliation(s)
- Chi-Chien Lin
- Department of Life Sciences, Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung 402, Taiwan
- Department of Medical Research, China Medical University Hospital, Taichung 40447, Taiwan
- Department of Pharmacology, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Kai-Cheng Chuang
- Department of Life Sciences, Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
| | - Shih-Wei Chen
- Department of Life Sciences, Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
- Department of Otolaryngology, Tungs’ Taichung MetroHarbor Hospital, Taichung 435, Taiwan
| | - Ya-Hsuan Chao
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung 402, Taiwan
| | - Chih-Ching Yen
- Department of Life Sciences, Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
- Department of Internal Medicine, China Medical University Hospital, College of Health Care, China Medical University, Taichung 404, Taiwan
| | - Shang-Hsun Yang
- Department of Physiology, Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan
| | - Wei Chen
- Division of Pulmonary and Critical Care Medicine, Chia-Yi Christian Hospital, Chiayi 600, Taiwan
| | - Kuang-Hsi Chang
- Department of Medical Research, Tungs’ Taichung MetroHarbor Hospital, Taichung 435, Taiwan
| | - Yu-Kang Chang
- Department of Medical Research, Tungs’ Taichung MetroHarbor Hospital, Taichung 435, Taiwan
| | - Chuan-Mu Chen
- Department of Life Sciences, Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
- The iEGG and Animal Biotechnology Center, The Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung 402, Taiwan
- Correspondence: ; Tel.: +886-4-22856309; Fax: +886-4-22874740
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Royce SG, Licciardi PV, Beh RC, Bourke JE, Donovan C, Hung A, Khurana I, Liang JJ, Maxwell S, Mazarakis N, Pitsillou E, Siow YY, Snibson KJ, Tobin MJ, Ververis K, Vongsvivut J, Ziemann M, Samuel CS, Tang MLK, El-Osta A, Karagiannis TC. Sulforaphane prevents and reverses allergic airways disease in mice via anti-inflammatory, antioxidant, and epigenetic mechanisms. Cell Mol Life Sci 2022; 79:579. [DOI: 10.1007/s00018-022-04609-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 10/13/2022] [Accepted: 10/21/2022] [Indexed: 11/30/2022]
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Wang YH, Noyer L, Kahlfuss S, Raphael D, Tao AY, Kaufmann U, Zhu J, Mitchell-Flack M, Sidhu I, Zhou F, Vaeth M, Thomas PG, Saunders SP, Stauderman K, Curotto de Lafaille MA, Feske S. Distinct roles of ORAI1 in T cell-mediated allergic airway inflammation and immunity to influenza A virus infection. SCIENCE ADVANCES 2022; 8:eabn6552. [PMID: 36206339 PMCID: PMC9544339 DOI: 10.1126/sciadv.abn6552] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 08/22/2022] [Indexed: 06/16/2023]
Abstract
T cell activation and function depend on Ca2+ signals mediated by store-operated Ca2+ entry (SOCE) through Ca2+ release-activated Ca2+ (CRAC) channels formed by ORAI1 proteins. We here investigated how SOCE controls T cell function in pulmonary inflammation during a T helper 1 (TH1) cell-mediated response to influenza A virus (IAV) infection and TH2 cell-mediated allergic airway inflammation. T cell-specific deletion of Orai1 did not exacerbate pulmonary inflammation and viral burdens following IAV infection but protected mice from house dust mite-induced allergic airway inflammation. ORAI1 controlled the expression of genes including p53 and E2F transcription factors that regulate the cell cycle in TH2 cells in response to allergen stimulation and the expression of transcription factors and cytokines that regulate TH2 cell function. Systemic application of a CRAC channel blocker suppressed allergic airway inflammation without compromising immunity to IAV infection, suggesting that inhibition of SOCE is a potential treatment for allergic airway disease.
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Affiliation(s)
- Yin-Hu Wang
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Lucile Noyer
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Sascha Kahlfuss
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Dimitrius Raphael
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Anthony Y. Tao
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Ulrike Kaufmann
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Jingjie Zhu
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Marisa Mitchell-Flack
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Ikjot Sidhu
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Fang Zhou
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Martin Vaeth
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Paul G. Thomas
- St. Jude’s Children’s Research Hospital, Memphis, TN 38105, USA
| | - Sean P. Saunders
- Division of Pulmonary, Critical Care and Sleep Medicine, Departments of Medicine and Cell Biology, New York University Grossman School of Medicine, NY 10016, USA
| | | | - Maria A. Curotto de Lafaille
- Division of Pulmonary, Critical Care and Sleep Medicine, Departments of Medicine and Cell Biology, New York University Grossman School of Medicine, NY 10016, USA
| | - Stefan Feske
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA
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Kang Q, Li L, Pang Y, Zhu W, Meng L. An update on Ym1 and its immunoregulatory role in diseases. Front Immunol 2022; 13:891220. [PMID: 35967383 PMCID: PMC9366555 DOI: 10.3389/fimmu.2022.891220] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 07/06/2022] [Indexed: 11/23/2022] Open
Abstract
Ym1 is a rodent-specific chitinase-like protein (CLP) lacking catalytic activity, whose cellular origins are mainly macrophages, neutrophils and other cells. Although the detailed function of Ym1 remains poorly understood, Ym1 has been generally recognized as a fundamental feature of alternative activation of macrophages in mice and hence one of the prevalent detecting targets in macrophage phenotype distinguishment. Studies have pointed out that Ym1 may have regulatory effects, which are multifaceted and even contradictory, far more than just a mere marker. Allergic lung inflammation, parasite infection, autoimmune diseases, and central nervous system diseases have been found associations with Ym1 to varying degrees. Thus, insights into Ym1’s role in diseases would help us understand the pathogenesis of different diseases and clarify the genuine roles of CLPs in mammals. This review summarizes the information on Ym1 from the gene to its expression and regulation and focuses on the association between Ym1 and diseases.
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Affiliation(s)
- Qi Kang
- Institute of Molecular and Translational Medicine, and Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education, Xi’an, China
- Department of Clinical Medicine, Xi’an Jiaotong University Health Science Center, Xi’an, China
| | - Luyao Li
- Institute of Molecular and Translational Medicine, and Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education, Xi’an, China
- Department of Clinical Medicine, Xi’an Jiaotong University Health Science Center, Xi’an, China
| | - Yucheng Pang
- Institute of Molecular and Translational Medicine, and Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education, Xi’an, China
- Department of Clinical Medicine, Xi’an Jiaotong University Health Science Center, Xi’an, China
| | - Wenhua Zhu
- Institute of Molecular and Translational Medicine, and Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education, Xi’an, China
- *Correspondence: Wenhua Zhu, ; Liesu Meng,
| | - Liesu Meng
- Institute of Molecular and Translational Medicine, and Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi’an Jiaotong University Health Science Center, Xi’an, China
- Key Laboratory of Environment and Genes Related to Diseases, Xi’an Jiaotong University, Ministry of Education, Xi’an, China
- National Joint Engineering Research Center of Biodiagnostics and Biotherapy, Second Affiliated Hospital, Xi’an Jiaotong University, Xi’an, China
- *Correspondence: Wenhua Zhu, ; Liesu Meng,
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Chudakov DB, Kotsareva OD, Konovalova MV, Tsaregorodtseva DS, Shevchenko MA, Sergeev AA, Fattakhova GV. Early IgE Production Is Linked with Extrafollicular B- and T-Cell Activation in Low-Dose Allergy Model. Vaccines (Basel) 2022; 10:vaccines10060969. [PMID: 35746576 PMCID: PMC9231339 DOI: 10.3390/vaccines10060969] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 06/01/2022] [Accepted: 06/14/2022] [Indexed: 12/23/2022] Open
Abstract
Despite its paramount importance, the predominant association of early IgE production with harmless antigens, via germinal-center B- and T-cell subpopulations or extrafollicular activation, remains unresolved. The aim of this work was to clarify whether the reinforced IgE production following the subcutaneous immunization of BALB/c mice with low antigen doses in withers adipose tissue might be linked with intensified extrafollicular or germinal-center responses. The mice were immunized three times a week for 4 weeks in the withers region, which is enriched in subcutaneous fat and tissue-associated B cells, with high and low OVA doses and via the intraperitoneal route for comparison. During long-term immunization with both low and high antigen doses in the withers region, but not via the intraperitoneal route, we observed a significant accumulation of B220-CD1d-CD5-CD19+ B-2 extrafollicular plasmablasts in the subcutaneous fat and regional lymph nodes but not in the intraperitoneal fat. Only low antigen doses induced a significant accumulation of CXCR4+ CXCR5- CD4+ extrafollicular T helpers in the withers adipose tissue but not in the regional lymph nodes or abdominal fat. Only in subcutaneous fat was there a combination of extrafollicular helper accumulation. In conclusion, extrafollicular B- and T-cell activation are necessary for early IgE class switching.
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Affiliation(s)
- Dmitrii Borisovich Chudakov
- Laboratory of Cell Interactions, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 16/10 Miklukho-Maklaya St., 117997 Moscow, Russia; (O.D.K.); (M.V.K.); (M.A.S.); (A.A.S.); (G.V.F.)
- Correspondence: ; Tel.: +7-495-330-4011
| | - Olga Dmitrievna Kotsareva
- Laboratory of Cell Interactions, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 16/10 Miklukho-Maklaya St., 117997 Moscow, Russia; (O.D.K.); (M.V.K.); (M.A.S.); (A.A.S.); (G.V.F.)
| | - Maryia Vladimirovna Konovalova
- Laboratory of Cell Interactions, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 16/10 Miklukho-Maklaya St., 117997 Moscow, Russia; (O.D.K.); (M.V.K.); (M.A.S.); (A.A.S.); (G.V.F.)
| | - Daria Sergeevna Tsaregorodtseva
- Faculty of Medical Biology, Sechenov First Moscow State Medical University, 2 Bolshaya Pirogovskaya St., 1194535 Moscow, Russia;
| | - Marina Alexandrovna Shevchenko
- Laboratory of Cell Interactions, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 16/10 Miklukho-Maklaya St., 117997 Moscow, Russia; (O.D.K.); (M.V.K.); (M.A.S.); (A.A.S.); (G.V.F.)
| | - Anton Andreevich Sergeev
- Laboratory of Cell Interactions, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 16/10 Miklukho-Maklaya St., 117997 Moscow, Russia; (O.D.K.); (M.V.K.); (M.A.S.); (A.A.S.); (G.V.F.)
| | - Gulnar Vaisovna Fattakhova
- Laboratory of Cell Interactions, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 16/10 Miklukho-Maklaya St., 117997 Moscow, Russia; (O.D.K.); (M.V.K.); (M.A.S.); (A.A.S.); (G.V.F.)
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Majie Cataplasm Promotes Th1 Response to Fight against Asthmatic Th2 Inflammation through NKs. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:6745420. [PMID: 35600943 PMCID: PMC9119792 DOI: 10.1155/2022/6745420] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 03/08/2022] [Indexed: 12/27/2022]
Abstract
Background Immune cells are tightly bound up with the pathogenesis of asthma. Besides T cells, B cells, macrophages, and mast cells, the mechanism of innate lymphoid cells (ILCs) in asthma is gradually explicit. As a kind of traditional Chinese medicine, Majie cataplasm realizes its potential in the clinical setting as an adjuvant for asthma. In our previous experiments, Majie cataplasm inhibits the increasing Th1 and Th2 in allergic asthma inflammation and reshapes a balance between Th1 and Th2. As ILCs are the reflection of Th cells in lung tissues, we will figure out whether Majie cataplasm could have similar effects on ILCs or not. Methods A total of 40 female C57/BL6 mice were randomly divided into the control group (n = 10), the asthma model group (n = 10), the dexamethasone group (n = 10), and the Majie cataplasm group (n = 10). Except for the control group, mice were sensitized with ovalbumin (OVA) and excited to establish mice models of asthma. Lung tissue and splenic tissue were collected at 24 h after the last challenge with OVA, and the cell suspension of the lungs and spleen was prepared. The number of ILC1s, ILC2s, ILC3s, and NKs cells in the lungs and Tregs and B10s in the spleen were detected by flow cytometry (FCM). This was followed by simultaneous quantitative detection of 40 inflammatory cytokines and chemokines in the lung by a protein microarray. Results The dexamethasone and Majie cataplasm could restore the number of ILC1s, ILC2s, and ILC3s in lung tissue. Compared with the control group, these cells remained unchanged in the asthma model group, while ILC1s (P < 0.001, P < 0.01), ILC2s (P < 0.001, P < 0.01), and ILC3s (P < 0.01, P < 0.05) were restored after the intervention of dexamethasone and Majie cataplasm. The number of NKs was low among the control group, the asthma model group, and the dexamethasone group, while the number of NKs rocketed in the Majie cataplasm group (P < 0.0001). For splenic Tregs and B10s, Majie cataplasm could curb the increasing numbers of them in the asthma model group (P < 0.0001, P < 0.01), while only Tregs were suppressed by the dexamethasone (P < 0.0001). For the inflammatory cytokines in the lung, the contents of TNF-α, TNFR2, CXCL-9, CCL-12, CCL-9, CCL-2, and CCL-5 in the asthma model group were higher than those in the control group, while the contents of GM-CSF and IL-1α were decreased. Comparing the asthma model group to the dexamethasone group, the levels of G-CSF, CCL-9, CCL-5, and TNFR2 in the former group were higher. The levels of TNF-α, TNFR2, and CCL-9 in the asthma model group increase, while the levels of IFN-γ, IL-1α, ICAM-1, and IL-4 increased in the Majie cataplasm group, especially IFN-γ and IL-1α. Conclusion Both the dexamethasone and Majie cataplasm could control the asthmatic inflammation by reducing the inflammatory factors, inhibiting the adaptive inflammation reaction in the latter stage of inflammation and furtherly reversing the inhibition of ILC2s, ILC2s, and ILC3s. In addition, Majie cataplasm can promote the quantity of NKs and the content of IL-1α and IFN-γ, induce IFN-γ+NKs to shut down the Th2 response, and tend to elicit the Th1 response.
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Zhang C, Li W, Li X, Wan D, Mack S, Zhang J, Wagner K, Wang C, Tan B, Chen J, Wu CW, Tsuji K, Takeuchi M, Chen Z, Hammock BD, Pinkerton KE, Yang J. Novel aerosol treatment of airway hyper-reactivity and inflammation in a murine model of asthma with a soluble epoxide hydrolase inhibitor. PLoS One 2022; 17:e0266608. [PMID: 35443010 PMCID: PMC9020733 DOI: 10.1371/journal.pone.0266608] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 03/23/2022] [Indexed: 02/01/2023] Open
Abstract
Asthma currently affects more than 339 million people worldwide. In the present preliminary study, we examined the efficacy of a new, inhalable soluble epoxide hydrolase inhibitor (sEHI), 1-trifluoromethoxyphenyl-3-(1-propionylpiperidin-4-yl) urea (TPPU), to attenuate airway inflammation, mucin secretion, and hyper-responsiveness (AHR) in an ovalbumin (OVA)-sensitized murine model. Male BALB/c mice were divided into phosphate-buffered saline (PBS), OVA, and OVA+TPPU (2- or 6-h) exposure groups. On days 0 and 14, the mice were administered PBS or sensitized to OVA in PBS. From days 26-38, seven challenge exposures were performed with 30 min inhalation of filtered air or OVA alone. In the OVA+TPPU groups, a 2- or 6-h TPPU inhalation preceded each 30-min OVA exposure. On day 39, pulmonary function tests (PFTs) were performed, and biological samples were collected. Lung tissues were used to semi-quantitatively evaluate the severity of inflammation and airway constriction and the volume of stored intracellular mucosubstances. Bronchoalveolar lavage (BAL) and blood samples were used to analyze regulatory lipid mediator profiles. Significantly (p < 0.05) attenuated alveolar, bronchiolar, and pleural inflammation; airway resistance and constriction; mucosubstance volume; and inflammatory lipid mediator levels were observed with OVA+TPPU relative to OVA alone. Cumulative findings indicated TPPU inhalation effectively inhibited inflammation, suppressed AHR, and prevented mucosubstance accumulation in the murine asthmatic model. Future studies should determine the pharmacokinetics (i.e., absorption, distribution, metabolism, and excretion) and pharmacodynamics (i.e., concentration/dose responses) of inhaled TPPU to explore its potential as an asthma-preventative or -rescue treatment.
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Affiliation(s)
- Chuanzhen Zhang
- Department of Gastroenterology, the First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, Shandong, China
- Center for Health and the Environment, University of California, Davis, California, United States of America
| | - Wei Li
- School of Control Science and Engineering, Shandong University, Jinan, Shandong, China
| | - Xiyuan Li
- Center for Health and the Environment, University of California, Davis, California, United States of America
- School of Control Science and Engineering, Shandong University, Jinan, Shandong, China
| | - Debin Wan
- Department of Entomology and Nematology and Comprehensive Cancer Center, University of California, Davis, California, United States of America
| | - Savannah Mack
- Center for Health and the Environment, University of California, Davis, California, United States of America
| | - Jingjing Zhang
- Center for Health and the Environment, University of California, Davis, California, United States of America
| | - Karen Wagner
- Department of Entomology and Nematology and Comprehensive Cancer Center, University of California, Davis, California, United States of America
| | - Chang Wang
- Department of Entomology and Nematology and Comprehensive Cancer Center, University of California, Davis, California, United States of America
| | - Bowen Tan
- Department of Entomology and Nematology and Comprehensive Cancer Center, University of California, Davis, California, United States of America
| | - Jason Chen
- Center for Health and the Environment, University of California, Davis, California, United States of America
| | - Ching-Wen Wu
- Center for Health and the Environment, University of California, Davis, California, United States of America
| | - Kaori Tsuji
- Department of Animal Medical Science, Kyoto Sangyo University, Kyoto, Japan
| | - Minoru Takeuchi
- Department of Animal Medical Science, Kyoto Sangyo University, Kyoto, Japan
| | - Ziping Chen
- Department of Gastroenterology, the First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, Shandong, China
| | - Bruce D. Hammock
- Department of Entomology and Nematology and Comprehensive Cancer Center, University of California, Davis, California, United States of America
| | - Kent E. Pinkerton
- Center for Health and the Environment, University of California, Davis, California, United States of America
| | - Jun Yang
- Department of Entomology and Nematology and Comprehensive Cancer Center, University of California, Davis, California, United States of America
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Lewis BW, Ford ML, Khan AQ, Walum J, Britt RD. Chronic Allergen Challenge Induces Corticosteroid Insensitivity With Persistent Airway Remodeling and Type 2 Inflammation. Front Pharmacol 2022; 13:855247. [PMID: 35479312 PMCID: PMC9035517 DOI: 10.3389/fphar.2022.855247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 03/24/2022] [Indexed: 11/13/2022] Open
Abstract
Type 2-high severe asthma is described as a distinct endotype with Th2 inflammation, high eosinophil lung infiltration, impaired lung function, and reduced corticosteroid sensitivity. While the inflammatory milieu is similar to mild asthma, patients with type 2-high severe asthma likely have underlying mechanisms that sustain asthma pathophysiology despite corticosteroid treatments. Acute and chronic allergen models induce robust type 2 inflammatory responses, however differences in corticosteroid sensitivity remains poorly understood. In the present study, we sensitized and challenged mice with ovalbumin (OVA; acute model) or mixed allergens (MA; chronic model). Corticosteroid sensitivity was assessed by administering vehicle, 1, or 3 mg/kg fluticasone propionate (FP) and examining key asthmatic features such as airway inflammation, remodeling, hyperresponsiveness, and antioxidant capacity. Both acute and chronic allergen exposure exhibited enhanced AHR, immune cell infiltration, airway inflammation, and remodeling, but corticosteroids were unable to fully alleviate inflammation, AHR, and airway smooth muscle mass in MA-challenged mice. While there were no differences in antioxidant capacity, persistent IL-4+ Th2 cell population suggests the MA model induces type 2 inflammation that is insensitive to corticosteroids. Our data indicate that chronic allergen exposure is associated with more persistent type 2 immune responses and corticosteroid insensitivity. Understanding differences between acute and chronic allergen models could unlock underlying mechanisms related to type 2-high severe asthma.
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Affiliation(s)
- Brandon W. Lewis
- Center for Perinatal Research, The Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, OH, United States
| | - Maria L. Ford
- Center for Perinatal Research, The Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, OH, United States
| | - Aiman Q. Khan
- Center for Perinatal Research, The Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, OH, United States
| | - Joshua Walum
- Center for Perinatal Research, The Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, OH, United States
| | - Rodney D. Britt
- Center for Perinatal Research, The Abigail Wexner Research Institute at Nationwide Children’s Hospital, Columbus, OH, United States
- Department of Pediatrics, The Ohio State University, Columbus, OH, United States
- *Correspondence: Rodney D. Britt Jr,
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47
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Kim HJ, Park SO, Byeon HW, Eo JC, Choi JY, Tanveer M, Uyangaa E, Kim K, Eo SK. T cell-intrinsic miR-155 is required for Th2 and Th17-biased responses in acute and chronic airway inflammation by targeting several different transcription factors. Immunology 2022; 166:357-379. [PMID: 35404476 DOI: 10.1111/imm.13477] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 01/30/2022] [Accepted: 03/02/2022] [Indexed: 11/29/2022] Open
Abstract
Asthmatic airway inflammation is divided into two typical endotypes: Th2-mediated eosinophilic and Th1- or Th17-mediated neutrophilic airway inflammation. The miRNA miR-155 has well-documented roles in the regulation of adaptive T-cell responses and innate immunity. However, no specific cell-intrinsic role has yet been elucidated for miR-155 in T cells in the course of Th2-eosinophilic and Th17-neutrophilic airway inflammation using actual in vivo asthma models. Here, using conditional KO (miR155ΔCD4 cKO) mice that have the specific deficiency of miR-155 in T cells, we found that the specific deficiency of miR-155 in T cells resulted in fully suppressed Th2-type eosinophilic airway inflammation following acute allergen exposure, as well as greatly attenuated the Th17-type neutrophilic airway inflammation induced by repeated allergen exposure. Furthermore, miR-155 in T cells appeared to regulate the expression of several different target genes in the functional activation of CD4+ Th2 and Th17 cells. To be more precise, the deficiency of miR-155 in T cells enhanced the expression of c-Maf, SOCS1, Fosl2, and Jarid2 in the course of CD4+ Th2 cell activation, while C/EBPβ was highly enhanced in CD4+ Th17 cell activation in the absence of miR-155 expression. Conclusively, our data revealed that miR-155 could promote Th2 and Th17-mediated airway inflammation via the regulation of several different target genes, depending on the context of asthmatic diseases. Therefore, these results provide valuable insights in actual understanding of specific cell-intrinsic role of miR-155 in eosinophilic and neutrophilic airway inflammation for the development of fine-tune therapeutic strategies.
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Affiliation(s)
- Hyo Jin Kim
- College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University, Iksan, Republic of Korea
| | - Seong Ok Park
- College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University, Iksan, Republic of Korea
| | - Hee Won Byeon
- College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University, Iksan, Republic of Korea
| | - Jun Cheol Eo
- Division of Biotechnology, College of Environmental & Biosource Science, Jeonbuk National University, Iksan, South Korea
| | - Jin Young Choi
- College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University, Iksan, Republic of Korea
| | - Maryum Tanveer
- College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University, Iksan, Republic of Korea
| | - Erdenebelig Uyangaa
- College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University, Iksan, Republic of Korea
| | - Koanhoi Kim
- Department of Pharmacology, School of Medicine, Pusan National University, Yangsan, Republic of Korea
| | - Seong Kug Eo
- College of Veterinary Medicine and Bio-Safety Research Institute, Jeonbuk National University, Iksan, Republic of Korea
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Alharris E, Mohammed A, Alghetaa H, Zhou J, Nagarkatti M, Nagarkatti P. The Ability of Resveratrol to Attenuate Ovalbumin-Mediated Allergic Asthma Is Associated With Changes in Microbiota Involving the Gut-Lung Axis, Enhanced Barrier Function and Decreased Inflammation in the Lungs. Front Immunol 2022; 13:805770. [PMID: 35265071 PMCID: PMC8898895 DOI: 10.3389/fimmu.2022.805770] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 01/26/2022] [Indexed: 12/18/2022] Open
Abstract
Asthma is a chronic respiratory disease highly prevalent worldwide. Recent studies have suggested a role for microbiome-associated gut-lung axis in asthma development. In the current study, we investigated if Resveratrol (RES), a plant-based polyphenol, can attenuate ovalbumin (OVA)-induced murine allergic asthma, and if so, the role of microbiome in the gut-lung axis in this process. We found that RES attenuated allergic asthma with significant improvements in pulmonary functions in OVA-exposed mice when tested using plethysmography for frequency (F), mean volume (MV), specific airway resistance (sRaw), and delay time(dT). RES treatment also suppressed inflammatory cytokines in the lungs. RES modulated lung microbiota and caused an abundance of Akkermansia muciniphila accompanied by a reduction of LPS biosynthesis in OVA-treated mice. Furthermore, RES also altered gut microbiota and induced enrichment of Bacteroides acidifaciens significantly in the colon accompanied by an increase in butyric acid concentration in the colonic contents from OVA-treated mice. Additionally, RES caused significant increases in tight junction proteins and decreased mucin (Muc5ac) in the pulmonary epithelium of OVA-treated mice. Our results demonstrated that RES may attenuate asthma by inducing beneficial microbiota in the gut-lung axis and through the promotion of normal barrier functions of the lung.
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Affiliation(s)
| | | | | | | | | | - Prakash Nagarkatti
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC, United States
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Li X, Han Z, Wang F, Qiao J. The STAT6 inhibitor AS1517499 reduces the risk of asthma in mice with 2,4-dinitrochlorobenzene-induced atopic dermatitis by blocking the STAT6 signaling pathway. ALLERGY, ASTHMA, AND CLINICAL IMMUNOLOGY : OFFICIAL JOURNAL OF THE CANADIAN SOCIETY OF ALLERGY AND CLINICAL IMMUNOLOGY 2022; 18:12. [PMID: 35177102 PMCID: PMC8851827 DOI: 10.1186/s13223-022-00652-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 01/22/2022] [Indexed: 11/10/2022]
Abstract
BACKGROUND Epidemiological studies have revealed a link between atopic dermatitis (AD) and asthma. AS1517499, a selective signal transducer and activation of transcription 6 (STAT6) inhibitor, has been shown to effectively block this connection. In this study, we further explored the underlying mechanism by constructing an AD mouse model. METHODS Female BALB/c mice were randomly divided into four groups (n = 10/group). The AD mouse model was established by 2,4-dinitrochlorobenzene induction with repeated ovalbumin challenge. AS1517499 and corn oil were used as treatment interventions. The features of airway inflammation, remodeling, and hyperactivity were analyzed. RESULTS Active use of AS1517499 in AD mice effectively reduced Th2-related cytokine levels, alleviated airway eosinophil and lymphocyte infiltration, and regulated GATA3/Foxp3 levels and subepithelial collagen deposition. These changes might be due to specific blockade of the STAT6 signaling pathway. CONCLUSION AS1517499 could partially block the association between AD and asthma by specifically inhibiting the STAT6 signaling pathway.
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Affiliation(s)
- Xueying Li
- Department of Respiratory, Shanghai Ninth People's Hospital Affiliated Shanghai JiaoTong University School of Medicine, No.639, Zhizaoju Road, Shanghai, 200001, China
| | - Zhaoqing Han
- Department of Respiratory, Shanghai Ninth People's Hospital Affiliated Shanghai JiaoTong University School of Medicine, No.639, Zhizaoju Road, Shanghai, 200001, China
| | - Feng Wang
- Department of Thoracic Surgery, Shanghai Ninth People's Hospital Affiliated Shanghai JiaoTong University School of Medicine, No.639, Zhizaoju Road, Shanghai, 200001, China.
| | - Jianou Qiao
- Department of Respiratory, Shanghai Ninth People's Hospital Affiliated Shanghai JiaoTong University School of Medicine, No.639, Zhizaoju Road, Shanghai, 200001, China.
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50
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Krone A, Fu Y, Schreiber S, Kotrba J, Borde L, Nötzold A, Thurm C, Negele J, Franz T, Stegemann-Koniszewski S, Schreiber J, Garbers C, Shukla A, Geffers R, Schraven B, Reinhold D, Dudeck A, Reinhold A, Müller AJ, Kahlfuss S. Ionic mitigation of CD4 + T cell metabolic fitness, Th1 central nervous system autoimmunity and Th2 asthmatic airway inflammation by therapeutic zinc. Sci Rep 2022; 12:1943. [PMID: 35121767 PMCID: PMC8816938 DOI: 10.1038/s41598-022-04827-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 12/24/2021] [Indexed: 12/18/2022] Open
Abstract
T helper (Th) cells provide immunity to pathogens but also contribute to detrimental immune responses during allergy and autoimmunity. Th2 cells mediate asthmatic airway inflammation and Th1 cells are involved in the pathogenesis of multiple sclerosis. T cell activation involves complex transcriptional networks and metabolic reprogramming, which enable proliferation and differentiation into Th1 and Th2 cells. The essential trace element zinc has reported immunomodulatory capacity and high zinc concentrations interfere with T cell function. However, how high doses of zinc affect T cell gene networks and metabolism remained so far elusive. Herein, we demonstrate by means of transcriptomic analysis that zinc aspartate (UNIZINK), a registered pharmaceutical infusion solution with high bioavailability, negatively regulates gene networks controlling DNA replication and the energy metabolism of murine CD3/CD28-activated CD4+ T cells. Specifically, in the presence of zinc, CD4+ T cells show impaired expression of cell cycle, glycolytic and tricarboxylic acid cycle genes, which functionally cumulates in reduced glycolysis, oxidative phosphorylation, metabolic fitness and viability. Moreover, high zinc concentrations impaired nuclear expression of the metabolic transcription factor MYC, prevented Th1 and Th2 differentiation in vitro and reduced Th1 autoimmune central nervous system (CNS) inflammation and Th2 asthmatic airway inflammation induced by house dust mites in vivo. Together, we find that higher zinc doses impair the metabolic fitness of CD4+ T cells and prevent Th1 CNS autoimmunity and Th2 allergy.
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MESH Headings
- Animals
- Aspartic Acid/analogs & derivatives
- Aspartic Acid/pharmacology
- Asthma/drug therapy
- Asthma/genetics
- Asthma/immunology
- Asthma/metabolism
- Cell Cycle Proteins/genetics
- Cell Cycle Proteins/metabolism
- Cell Proliferation/drug effects
- Cells, Cultured
- Central Nervous System/drug effects
- Central Nervous System/immunology
- Central Nervous System/metabolism
- Encephalomyelitis, Autoimmune, Experimental/drug therapy
- Encephalomyelitis, Autoimmune, Experimental/genetics
- Encephalomyelitis, Autoimmune, Experimental/immunology
- Encephalomyelitis, Autoimmune, Experimental/metabolism
- Energy Metabolism/drug effects
- Energy Metabolism/genetics
- Gene Expression Regulation
- Immunomodulating Agents/pharmacology
- Lung/drug effects
- Lung/immunology
- Lung/metabolism
- Lymphocyte Activation/drug effects
- Lymphocyte Activation/genetics
- Mice, Inbred C57BL
- Mice, Transgenic
- Pneumonia/drug therapy
- Pneumonia/genetics
- Pneumonia/immunology
- Pneumonia/metabolism
- Pyroglyphidae/immunology
- Signal Transduction
- Th1 Cells/drug effects
- Th1 Cells/immunology
- Th1 Cells/metabolism
- Th2 Cells/drug effects
- Th2 Cells/immunology
- Th2 Cells/metabolism
- Transcription, Genetic
- Zinc Compounds/pharmacology
- Mice
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Affiliation(s)
- Anna Krone
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Yan Fu
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Simon Schreiber
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Johanna Kotrba
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Loisa Borde
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Aileen Nötzold
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Christoph Thurm
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
- Center for Health and Medical Prevention (CHaMP), Otto-von-Guericke-University, Magdeburg, Germany
| | - Jonas Negele
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Tobias Franz
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Sabine Stegemann-Koniszewski
- Experimental Pneumology, Department of Pneumology, University Hospital Magdeburg/Medical Faculty, Otto-von-Guericke-University, Magdeburg, Germany
- Health Campus Immunology, Infectiology and Inflammation (GCI3), Medical Faculty, Otto-Von-Guericke University Magdeburg, Magdeburg, Germany
- Center for Health and Medical Prevention (CHaMP), Otto-von-Guericke-University, Magdeburg, Germany
| | - Jens Schreiber
- Experimental Pneumology, Department of Pneumology, University Hospital Magdeburg/Medical Faculty, Otto-von-Guericke-University, Magdeburg, Germany
- Health Campus Immunology, Infectiology and Inflammation (GCI3), Medical Faculty, Otto-Von-Guericke University Magdeburg, Magdeburg, Germany
- Center for Health and Medical Prevention (CHaMP), Otto-von-Guericke-University, Magdeburg, Germany
| | - Christoph Garbers
- Institute of Pathology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
- Health Campus Immunology, Infectiology and Inflammation (GCI3), Medical Faculty, Otto-Von-Guericke University Magdeburg, Magdeburg, Germany
- Center for Health and Medical Prevention (CHaMP), Otto-von-Guericke-University, Magdeburg, Germany
| | - Aniruddh Shukla
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Robert Geffers
- Genome Analytics, Helmholtz-Center for Infection Research (HZI), Braunschweig, Germany
| | - Burkhart Schraven
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
- Health Campus Immunology, Infectiology and Inflammation (GCI3), Medical Faculty, Otto-Von-Guericke University Magdeburg, Magdeburg, Germany
- Center for Health and Medical Prevention (CHaMP), Otto-von-Guericke-University, Magdeburg, Germany
| | - Dirk Reinhold
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
- Health Campus Immunology, Infectiology and Inflammation (GCI3), Medical Faculty, Otto-Von-Guericke University Magdeburg, Magdeburg, Germany
- Center for Health and Medical Prevention (CHaMP), Otto-von-Guericke-University, Magdeburg, Germany
| | - Anne Dudeck
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
- Health Campus Immunology, Infectiology and Inflammation (GCI3), Medical Faculty, Otto-Von-Guericke University Magdeburg, Magdeburg, Germany
- Center for Health and Medical Prevention (CHaMP), Otto-von-Guericke-University, Magdeburg, Germany
| | - Annegret Reinhold
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
- Health Campus Immunology, Infectiology and Inflammation (GCI3), Medical Faculty, Otto-Von-Guericke University Magdeburg, Magdeburg, Germany
- Center for Health and Medical Prevention (CHaMP), Otto-von-Guericke-University, Magdeburg, Germany
| | - Andreas J Müller
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
- Intravital Microscopy of Infection and Immunity, Helmholtz-Center for Infection Research (HZI), Braunschweig, Germany
- Health Campus Immunology, Infectiology and Inflammation (GCI3), Medical Faculty, Otto-Von-Guericke University Magdeburg, Magdeburg, Germany
- Center for Health and Medical Prevention (CHaMP), Otto-von-Guericke-University, Magdeburg, Germany
| | - Sascha Kahlfuss
- Institute of Molecular and Clinical Immunology, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany.
- Institute of Medical Microbiology and Hospital Hygiene, Medical Faculty, Otto-von-Guericke University Magdeburg, Magdeburg, Germany.
- Health Campus Immunology, Infectiology and Inflammation (GCI3), Medical Faculty, Otto-Von-Guericke University Magdeburg, Magdeburg, Germany.
- Center for Health and Medical Prevention (CHaMP), Otto-von-Guericke-University, Magdeburg, Germany.
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