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Liu X, Yu Y, Zhang H, Zhang M, Liu Y. The Role of Muscarinic Acetylcholine Receptor M 3 in Cardiovascular Diseases. Int J Mol Sci 2024; 25:7560. [PMID: 39062802 PMCID: PMC11277046 DOI: 10.3390/ijms25147560] [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: 05/22/2024] [Revised: 07/04/2024] [Accepted: 07/05/2024] [Indexed: 07/28/2024] Open
Abstract
The muscarinic acetylcholine receptor M3 (M3-mAChR) is involved in various physiological and pathological processes. Owing to specific cardioprotective effects, M3-mAChR is an ideal diagnostic and therapeutic biomarker for cardiovascular diseases (CVDs). Growing evidence has linked M3-mAChR to the development of multiple CVDs, in which it plays a role in cardiac protection such as anti-arrhythmia, anti-hypertrophy, and anti-fibrosis. This review summarizes M3-mAChR's expression patterns, functions, and underlying mechanisms of action in CVDs, especially in ischemia/reperfusion injury, cardiac hypertrophy, and heart failure, opening up a new research direction for the treatment of CVDs.
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Affiliation(s)
- Xinxing Liu
- Hainan Academy of Medical Sciences, School of Pharmacy, Hainan Medical University, Haikou 571199, China; (X.L.); (Y.Y.); (H.Z.)
| | - Yi Yu
- Hainan Academy of Medical Sciences, School of Pharmacy, Hainan Medical University, Haikou 571199, China; (X.L.); (Y.Y.); (H.Z.)
| | - Haiying Zhang
- Hainan Academy of Medical Sciences, School of Pharmacy, Hainan Medical University, Haikou 571199, China; (X.L.); (Y.Y.); (H.Z.)
| | - Min Zhang
- Hainan Academy of Medical Sciences, School of Pharmacy, Hainan Medical University, Haikou 571199, China; (X.L.); (Y.Y.); (H.Z.)
| | - Yan Liu
- Hainan Academy of Medical Sciences, School of Pharmacy, Hainan Medical University, Haikou 571199, China; (X.L.); (Y.Y.); (H.Z.)
- Engineering Research Center of Tropical Medicine Innovation and Transformation of Ministry of Education, Hainan Academy of Medical Sciences, Hainan Medical University, Haikou 571199, China
- International Joint Research Center of Human–Machine Intelligent Collaborative for Tumor Precision Diagnosis and Treatment of Hainan Province, Hainan Academy of Medical Sciences, Hainan Medical University, Haikou 571199, China
- Hainan Provincial Key Laboratory of Research and Development on Tropical Herbs, Hainan Academy of Medical Sciences, Hainan Medical University, Haikou 571199, China
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Won JY, Nam EC, Chun KJ, Kim JW, Lee WH. The 24-Hour Cardiac Autonomic Activity in Patients With Allergic Rhinitis. J Korean Med Sci 2023; 38:e400. [PMID: 38050912 PMCID: PMC10695759 DOI: 10.3346/jkms.2023.38.e400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 09/07/2023] [Indexed: 12/07/2023] Open
Abstract
BACKGROUND Definitive knowledge of the 24-hour cardiac autonomic activity in patients with allergic rhinitis (AR) is lacking. Thus, we aimed to evaluate heart rate variability (HRV), which is used to measure cardiac autonomic activity by 24-hour Holter monitoring in patients with AR. METHODS We enrolled 32 patients who visited our clinic and were diagnosed with AR. The control group was selected four-fold (n = 128) by matching (age, sex, hypertension, and diabetes) in the AR group from a Holter registry in the cardiology department. The HRV results, which were measured using 24-hour Holter monitoring, were compared between the AR and control groups. RESULTS All time-domain parameters of HRV revealed no differences between the groups. However, among the frequency domain parameters of HRV, the low-frequency to high-frequency ratio and low-frequency power in normalized units were significantly lower in the AR group. Conversely, high-frequency power in normalized units was significantly higher in the AR group. In the multiple regression analysis, AR was independently associated with sympathetic withdrawal (adjusted odds ratio = 3.393, P = 0.020) after adjusting for age, sex, hypertension, diabetes mellitus, and hyperlipidemia. CONCLUSIONS The present findings suggest differences in cardiac autonomic activity which are related with sympathetic withdrawal in patients with AR compared with that in the normal population over 24 hours.
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Affiliation(s)
- Jun Yeon Won
- Department of Otolaryngology, Kangwon National University Hospital, College of Medicine, Kangwon National University, Chuncheon, Korea
| | - Eui-Cheol Nam
- Department of Otolaryngology, Kangwon National University Hospital, College of Medicine, Kangwon National University, Chuncheon, Korea
| | - Kwang Jin Chun
- Division of Cardiology, Department of Internal Medicine, Kangwon National University Hospital, College of Medicine, Kangwon National University, Chuncheon, Korea
| | - Jeong-Whun Kim
- Department of Otorhinolaryngology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Woo Hyun Lee
- Department of Otolaryngology, Kangwon National University Hospital, College of Medicine, Kangwon National University, Chuncheon, Korea.
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Burns GL, Keely S. Understanding food allergy through neuroimmune interactions in the gastrointestinal tract. Ann Allergy Asthma Immunol 2023; 131:576-584. [PMID: 37331592 DOI: 10.1016/j.anai.2023.06.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 05/31/2023] [Accepted: 06/08/2023] [Indexed: 06/20/2023]
Abstract
Food allergies are adverse immune reactions to food proteins in the absence of oral tolerance, and the incidence of allergies to food, including peanut, cow's milk, and shellfish, has been increasing globally. Although advancements have been made toward understanding the contributions of the type 2 immune response to allergic sensitization, crosstalk between these immune cells and neurons of the enteric nervous system is an area of emerging interest in the pathophysiology of food allergy, given the close proximity of neuronal cells of the enteric nervous system and type 2 effector cells, including eosinophils and mast cells. At mucosal sites, such as the gastrointestinal tract, neuroimmune interactions contribute to the sensing and response to danger signals from the epithelial barrier. This communication is bidirectional, as immune cells express receptors for neuropeptides and transmitters, and neurons express cytokine receptors, allowing for the detection of and response to inflammatory insults. In addition, it seems that neuromodulation of immune cells including mast cells, eosinophils, and innate lymphoid cells is critical for amplification of the type 2 allergic immune response. As such, neuroimmune interactions may be critical targets for future food allergy therapies. This review evaluates the contributions of local enteric neuroimmune interactions to the underlying immune response in food allergy and discusses considerations for future investigations into targeting neuroimmune pathways for treatment of food allergies.
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Affiliation(s)
- Grace L Burns
- School of Biomedical Sciences & Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, NSW, Australia; National Health and Medical Research Council Centre of Research Excellence in Digestive Health, University of Newcastle, Newcastle, NSW, Australia; Immune Health Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
| | - Simon Keely
- School of Biomedical Sciences & Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, NSW, Australia; National Health and Medical Research Council Centre of Research Excellence in Digestive Health, University of Newcastle, Newcastle, NSW, Australia; Immune Health Research Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia.
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Mashimo M, Kawashima K, Fujii T. Non-neuronal Cholinergic Muscarinic Acetylcholine Receptors in the Regulation of Immune Function. Biol Pharm Bull 2022; 45:675-683. [PMID: 35650095 DOI: 10.1248/bpb.b21-01005] [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: 11/22/2022]
Abstract
Immune cells such as T and B cells, monocytes and macrophages all express most of the cholinergic components of the nervous system, including acetylcholine (ACh), choline acetyltransferase (ChAT), high affinity choline transporter, muscarinic and nicotinic ACh receptors (mAChRs and nAChRs, respectively), and acetylcholinesterase (AChE). Because of its efficient cleavage by AChE, ACh synthesized and released from immune cells acts only locally in an autocrine and/or paracrine fashion at mAChRs and nAChRs on themselves and other immune cells located in close proximity, leading to modification of immune function. Immune cells generally express all five mAChR subtypes (M1-M5) and neuron type nAChR subunits α2-α7, α9, α10, β2-β4. The expression pattern and levels of mAChR subtypes and nAChR subunits vary depending on the tissue involved and its immunological status. Immunological activation of T cells via T-cell receptor-mediated pathways and cell adhesion molecules upregulates ChAT expression, which facilitates the synthesis and release of ACh. At present, α7 nAChRs expressed in macrophages are receiving much attention because they play a central role in anti-inflammatory cholinergic pathways. However, it now appears that through modification of cytokine synthesis, Gq/11-coupled mAChRs play a prominent role in regulation of T cell proliferation and differentiation and B cell immunoglobulin class switching. It is anticipated that greater understanding of Gq/11-coupled mAChRs on immune cells will provide an opportunity to develop new and effective treatments for immunological disorders.
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Affiliation(s)
- Masato Mashimo
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts
| | - Koichiro Kawashima
- Department of Molecular Pharmacology, Kitasato University School of Pharmaceutical Sciences
| | - Takeshi Fujii
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts
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Halder N, Lal G. Cholinergic System and Its Therapeutic Importance in Inflammation and Autoimmunity. Front Immunol 2021; 12:660342. [PMID: 33936095 PMCID: PMC8082108 DOI: 10.3389/fimmu.2021.660342] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 03/26/2021] [Indexed: 12/11/2022] Open
Abstract
Neurological and immunological signals constitute an extensive regulatory network in our body that maintains physiology and homeostasis. The cholinergic system plays a significant role in neuroimmune communication, transmitting information regarding the peripheral immune status to the central nervous system (CNS) and vice versa. The cholinergic system includes the neurotransmitter\ molecule, acetylcholine (ACh), cholinergic receptors (AChRs), choline acetyltransferase (ChAT) enzyme, and acetylcholinesterase (AChE) enzyme. These molecules are involved in regulating immune response and playing a crucial role in maintaining homeostasis. Most innate and adaptive immune cells respond to neuronal inputs by releasing or expressing these molecules on their surfaces. Dysregulation of this neuroimmune communication may lead to several inflammatory and autoimmune diseases. Several agonists, antagonists, and inhibitors have been developed to target the cholinergic system to control inflammation in different tissues. This review discusses how various molecules of the neuronal and non-neuronal cholinergic system (NNCS) interact with the immune cells. What are the agonists and antagonists that alter the cholinergic system, and how are these molecules modulate inflammation and immunity. Understanding the various functions of pharmacological molecules could help in designing better strategies to control inflammation and autoimmunity.
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Affiliation(s)
- Namrita Halder
- Laboratory of Autoimmunity and Tolerance, National Centre for Cell Science, Ganeshkhind, Pune, India
| | - Girdhari Lal
- Laboratory of Autoimmunity and Tolerance, National Centre for Cell Science, Ganeshkhind, Pune, India
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Lu J, Wu W. Cholinergic modulation of the immune system - A novel therapeutic target for myocardial inflammation. Int Immunopharmacol 2021; 93:107391. [PMID: 33548577 DOI: 10.1016/j.intimp.2021.107391] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 12/26/2020] [Accepted: 01/09/2021] [Indexed: 12/11/2022]
Abstract
The immune system and the nervous system depend on each other for their fine tuning and working, thus cooperating to maintain physiological homeostasis and prevent infections. The cholinergic system regulates the mobilization, differentiation, secretion, and antigen presentation of adaptive and innate immune cells mainly through α7 nicotinic acetylcholine receptors (α7nAChRs). The neuro-immune interactions are established and maintained by the following mechanisms: colocalization of immune and neuronal cells at defined anatomical sites, expression of the non-neuronal cholinergic system by immune cells, and the acetylcholine receptor-mediated activation of intracellular signaling pathways. Based on these immunological mechanisms, the protective effects of cholinergic system in animal models of diseases were summarized in this paper, such as myocardial infarction/ischemia-reperfusion, viral myocarditis, and endotoxin-induced myocardial damage. In addition to maintaining hemodynamic stability and improving the energy metabolism of the heart, both non-neuronal acetylcholine and neuronal acetylcholine in the heart can alleviate myocardial inflammation and remodeling to exert a significant cardioprotective effect. The new findings on the role of cholinergic agonists and vagus nerve stimulation in immune regulation are updated, so as to develop improved approaches to treat inflammatory heart disease.
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Affiliation(s)
- Jing Lu
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuangyong Road 6, Nanning, Guangxi Zhuang Autonomous Region 530021, PR China.
| | - Weifeng Wu
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuangyong Road 6, Nanning, Guangxi Zhuang Autonomous Region 530021, PR China; Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Center for Translational Medicine, Guangxi Medical University, Shuangyong Road 22, Nanning, Guangxi Zhuang Autonomous Region 530021, PR China.
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Jiang Z, Xiao H, Liu S, He G, Hu G, Zhang X, Zhang Q, Chen J, Lin C, Liang J, Guo M, Xiao X, Xue W, Dong P, Huang Y, Lian Z, Tan G, He J, Pan Y, Meng J. Bencycloquidium bromide nasal spray is effective and safe for persistent allergic rhinitis: a phase III, multicenter, randomized, double-blinded, placebo-controlled clinical trial. Eur Arch Otorhinolaryngol 2020; 277:3067-3077. [PMID: 32623510 DOI: 10.1007/s00405-020-06183-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 06/30/2020] [Indexed: 02/05/2023]
Abstract
PURPOSE To investigate the efficacy and safety of bencycloquidium bromide nasal spray (BCQB) in patients with persistent allergic rhinitis (PAR). METHODS We enrolled 720 patients from 15 hospitals across China and randomly assigned them into BCQB group or placebo group (90 μg per nostril qid) to receive a 4-week treatment. Visual analog scale (VAS) for rhinorrhea, sneezing, nasal congestion, itching and overall symptoms were recorded by patients every day. Anterior rhinoscopy scoring was completed by doctors on every visit. Adverse events were recorded in detail. RESULTS A total of 354 and 351 patients were included in BCQB group and in placebo group. Baseline information was comparable. At the end of the trial, the decrease of VAS for rhinorrhea from baseline was 4.83 ± 2.35 and 2.46 ± 2.34 in BCQB group and placebo group, respectively (P < 0.001). The change ratio from baseline of VAS for rhinorrhea in BCQB group was 72.32%, higher than 31.03% in placebo group (P < 0.001). VAS for other symptoms and overall symptoms also improved significantly in the BCQB group, while no inter-group difference was found in anterior rhinoscopy scoring. The incidence of adverse reaction was similar between the two groups. Most reactions were mild and no severe reactions happened. CONCLUSION 90 μg BCQB per nostril four times daily is effective and safe in the treatment of rhinorrhea as well as sneezing, nasal congestion and itching for patients with PAR. RETROSPECTIVELY REGISTERED ChiCTR2000030924, 2020/3/17.
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Affiliation(s)
- Zihan Jiang
- Department of Otorhinolaryngology, West China Hospital, Sichuan University, 37 Guoxue Alley, Chengdu, 610041, People's Republic of China
| | - Hao Xiao
- Department of Otorhinolaryngology, West China Hospital, Sichuan University, 37 Guoxue Alley, Chengdu, 610041, People's Republic of China
| | - Shixi Liu
- Department of Otorhinolaryngology, West China Hospital, Sichuan University, 37 Guoxue Alley, Chengdu, 610041, People's Republic of China
| | - Gang He
- Department of Otorhinolaryngology, Sichuan Provincial People's Hospital, Chengdu, 610072, People's Republic of China
| | - Guohua Hu
- Department of Otolaryngology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Xueyuan Zhang
- Department of Otolaryngology, Southwest Hospital, Army Medical University, 30 Gaotan Yan St, Chongqing, 400038, People's Republic of China
| | - Qinna Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, First Hospital of Shanxi Medical University, Taiyuan, 030001, People's Republic of China
| | - Jichuan Chen
- Department of Otorhinolaryngology, Daping Hospital, Army Medical University, Chongqing, 400042, People's Republic of China
| | - Chang Lin
- Department of Otolaryngology, The First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, People's Republic of China
| | - Jianping Liang
- Department of Otolaryngology, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi, 530021, People's Republic of China
| | - Mingli Guo
- Department of Otorhinolaryngology, Hebei General Hospital, Shijiazhuang, Hebei, 050051, People's Republic of China
| | - Xuping Xiao
- Department of Otorhinolaryngology Head and Neck Surgery, Hunan Provincial People's Hospital, Changsha, 410005, People's Republic of China
| | - Weiguo Xue
- Department of Otolaryngology, Qingdao Municipal Hospital, Qingdao, Shandong, 266011, People's Republic of China
| | - Pin Dong
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai General Hospital, College of Medicine, Shanghai Jiao Tong University, Shanghai, 200080, People's Republic of China
| | - Yongwang Huang
- Department of Otolaryngology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, People's Republic of China
| | - Zhuang Lian
- Department of Otolaryngology Head and Neck Surgery, The First People's Hospital, Yangzhou, 225001, People's Republic of China
| | - Guolin Tan
- Department of Otorhinolaryngology Head and Neck Surgery, Third Xiangya Hospital, Central South University, Changsha, 410013, People's Republic of China
| | - Jia He
- Department of Health, Statistics, Faculty of Medical Service, Second Military Medical University, Shanghai, 200433, People's Republic of China
| | - Yuanyuan Pan
- Yingu Pharmaceutical Co., Ltd, Beijing, 100190, People's Republic of China
| | - Juan Meng
- Department of Otorhinolaryngology, West China Hospital, Sichuan University, 37 Guoxue Alley, Chengdu, 610041, People's Republic of China.
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Liu H, Wang T, Xia J, Ai J, Li W, Song Y, Shen Y, Zhang X, Tan G. Cholinergic neuron-like D-U87 cells promote polarization of allergic rhinitis T-helper 2 cells. Int Forum Allergy Rhinol 2019; 10:233-242. [PMID: 31658507 DOI: 10.1002/alr.22467] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 09/09/2019] [Accepted: 10/11/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND Parasympathetic nerve hypersensitivity contributes to the severity of allergic rhinitis (AR), but the precise mechanism underlying neuroimmune regulation in patients with AR remains unclear. This study investigated the effect of cholinergic nerve inhibition on AR CD4+ T-helper (Th)2-cell polarization and the underlying regulatory mechanism in vitro. METHODS An in-vitro neuroimmune coculture model of D-U87 cells and CD4+ T cells was established. D-U87 cells with cholinergic neuron characteristics were used as cholinergic neuron models. CD4+ T cells were derived from peripheral blood monocytes from AR patients (n = 60) and control subjects (n = 40). Th1- and Th2-cell percentages were measured by flow cytometry. Proteins involved in related signaling pathways were analyzed by protein chip assay and Western blotting. RESULTS The Th2-cell percentage among CD4+ T cells from AR patients was significantly increased after coculture with D-U87 cells and was decreased by ipratropium bromide (IB) treatment. In contrast, the Th1-cell percentage among control CD4+ T cells was significantly increased after coculture with D-U87 cells, but was unaltered by IB treatment. Furthermore, phosphorylated Akt (p-Akt) protein levels increased in CD4+ T cells from both controls and AR patients after coculture with D-U87 cells and decreased after IB treatment. However, higher p-Akt levels were observed in cells from AR patients than in cells from control subjects. Moreover, Akt inhibition decreased Th2-cell percentage in AR patients. CONCLUSION In-vitro cholinergic nerve inhibition with IB decreased AR CD4+ T-cell polarization into Th2 cells partially through an Akt-dependent mechanism.
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Affiliation(s)
- Honghui Liu
- Department of Otorhinolaryngology-Head Neck Surgery, Third Xiangya Hospital, Central South University, Changsha, Hunan, PR China
| | - Tiansheng Wang
- Department of Otorhinolaryngology-Head Neck Surgery, Third Xiangya Hospital, Central South University, Changsha, Hunan, PR China
| | - Jinye Xia
- Department of Otorhinolaryngology-Head Neck Surgery, Third Xiangya Hospital, Central South University, Changsha, Hunan, PR China
| | - Jingang Ai
- Department of Otorhinolaryngology-Head Neck Surgery, Third Xiangya Hospital, Central South University, Changsha, Hunan, PR China
| | - Wei Li
- Department of Otorhinolaryngology-Head Neck Surgery, Third Xiangya Hospital, Central South University, Changsha, Hunan, PR China
| | - Yexun Song
- Department of Otorhinolaryngology-Head Neck Surgery, Third Xiangya Hospital, Central South University, Changsha, Hunan, PR China
| | - Yang Shen
- Department of Otorhinolaryngology-Head Neck Surgery, Third Xiangya Hospital, Central South University, Changsha, Hunan, PR China
| | - Xiaowei Zhang
- Department of Otorhinolaryngology-Head Neck Surgery, Third Xiangya Hospital, Central South University, Changsha, Hunan, PR China
| | - Guolin Tan
- Department of Otorhinolaryngology-Head Neck Surgery, Third Xiangya Hospital, Central South University, Changsha, Hunan, PR China
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Eduardo CRC, Alejandra TIG, Guadalupe DRKJ, Herminia VRG, Lenin P, Enrique BV, Evandro BM, Oscar B, Iván GPM. Modulation of the extraneuronal cholinergic system on main innate response leukocytes. J Neuroimmunol 2019; 327:22-35. [PMID: 30683425 DOI: 10.1016/j.jneuroim.2019.01.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 01/15/2019] [Accepted: 01/15/2019] [Indexed: 12/17/2022]
Abstract
The expression of elements of the cholinergic system has been demonstrated in non-neuronal cells, such as immune cells, where acetylcholine modulates innate and adaptive responses. However, the study of the non-neuronal cholinergic system has focused on lymphocyte cholinergic mechanisms, with less attention to its role of innate cells. Considering this background, the aims of this review are 1) to review information regarding the cholinergic components of innate immune system cells; 2) to discuss the effect of cholinergic stimuli on cell functions; 3) and to describe the importance of cholinergic stimuli on host immunocompetence, in order to set the base for the design of intervention strategies in the biomedical field.
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Affiliation(s)
- Covantes-Rosales Carlos Eduardo
- Universidad Autónoma de Nayarit, Secretaría de Investigación y Posgrado, Laboratorio de Inmunotoxicología, Boulevard Tepic-Xalisco s/n, Cd de la Cultura Amado Nervo, C.P. 63000 Tepic, Nayarit, Mexico
| | - Toledo-Ibarra Gladys Alejandra
- Universidad Autónoma de Nayarit, Secretaría de Investigación y Posgrado, Laboratorio de Inmunotoxicología, Boulevard Tepic-Xalisco s/n, Cd de la Cultura Amado Nervo, C.P. 63000 Tepic, Nayarit, Mexico; Centro Nayarita de Innovación y Transferencia de Tecnología A.C. Laboratorio Nacional para la Investigación en Inocuidad Alimentaria-Unidad Nayarit, Calle Tres s/n. Cd Industrial, Tepic, Nayarit, Mexico
| | - Díaz-Resendiz Karina Janice Guadalupe
- Universidad Autónoma de Nayarit, Secretaría de Investigación y Posgrado, Laboratorio de Inmunotoxicología, Boulevard Tepic-Xalisco s/n, Cd de la Cultura Amado Nervo, C.P. 63000 Tepic, Nayarit, Mexico
| | - Ventura-Ramón Guadalupe Herminia
- Universidad Autónoma de Nayarit, Secretaría de Investigación y Posgrado, Laboratorio de Inmunotoxicología, Boulevard Tepic-Xalisco s/n, Cd de la Cultura Amado Nervo, C.P. 63000 Tepic, Nayarit, Mexico; Centro Nayarita de Innovación y Transferencia de Tecnología A.C. Laboratorio Nacional para la Investigación en Inocuidad Alimentaria-Unidad Nayarit, Calle Tres s/n. Cd Industrial, Tepic, Nayarit, Mexico
| | - Pavón Lenin
- Instituto Nacional de Psiquiatría "Ramón de la Fuente", Laboratorio de Psicoinmunología, Calzada México-Xochimilco 101, Col. San Lorenzo Huipulco, Tlalpan, 14370 México City, DF, Mexico
| | - Becerril-Villanueva Enrique
- Instituto Nacional de Psiquiatría "Ramón de la Fuente", Laboratorio de Psicoinmunología, Calzada México-Xochimilco 101, Col. San Lorenzo Huipulco, Tlalpan, 14370 México City, DF, Mexico
| | - Bauer Moisés Evandro
- Pontifícia Universidade Católica do Rio Grande do Sul, Instituto de Pesquisas Biomédicas, Laboratório de Imunologia do Envelhecimento, 90610-000 Porto Alegre, RS, Brazil
| | - Bottaso Oscar
- Universidad Nacional de Rosario-Consejo Nacional de Investigaciones Científicas y Técnicas (UNR-CONICET), Instituto de Inmunología Clínica y Experimental de Rosario, Rosario, Argentina
| | - Girón-Pérez Manuel Iván
- Universidad Autónoma de Nayarit, Secretaría de Investigación y Posgrado, Laboratorio de Inmunotoxicología, Boulevard Tepic-Xalisco s/n, Cd de la Cultura Amado Nervo, C.P. 63000 Tepic, Nayarit, Mexico; Centro Nayarita de Innovación y Transferencia de Tecnología A.C. Laboratorio Nacional para la Investigación en Inocuidad Alimentaria-Unidad Nayarit, Calle Tres s/n. Cd Industrial, Tepic, Nayarit, Mexico.
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Reardon C, Murray K, Lomax AE. Neuroimmune Communication in Health and Disease. Physiol Rev 2018; 98:2287-2316. [PMID: 30109819 PMCID: PMC6170975 DOI: 10.1152/physrev.00035.2017] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 04/09/2018] [Accepted: 04/09/2018] [Indexed: 12/14/2022] Open
Abstract
The immune and nervous systems are tightly integrated, with each system capable of influencing the other to respond to infectious or inflammatory perturbations of homeostasis. Recent studies demonstrating the ability of neural stimulation to significantly reduce the severity of immunopathology and consequently reduce mortality have led to a resurgence in the field of neuroimmunology. Highlighting the tight integration of the nervous and immune systems, afferent neurons can be activated by a diverse range of substances from bacterial-derived products to cytokines released by host cells. While activation of vagal afferents by these substances dominates the literature, additional sensory neurons are responsive as well. It is becoming increasingly clear that although the cholinergic anti-inflammatory pathway has become the predominant model, a multitude of functional circuits exist through which neuronal messengers can influence immunological outcomes. These include pathways whereby efferent signaling occurs independent of the vagus nerve through sympathetic neurons. To receive input from the nervous system, immune cells including B and T cells, macrophages, and professional antigen presenting cells express specific neurotransmitter receptors that affect immune cell function. Specialized immune cell populations not only express neurotransmitter receptors, but express the enzymatic machinery required to produce neurotransmitters, such as acetylcholine, allowing them to act as signaling intermediaries. Although elegant experiments have begun to decipher some of these interactions, integration of these molecules, cells, and anatomy into defined neuroimmune circuits in health and disease is in its infancy. This review describes these circuits and highlights continued challenges and opportunities for the field.
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Affiliation(s)
- Colin Reardon
- Department of Anatomy, Physiology, and Cell Biology, UC Davis School of Veterinary Medicine, UC Davis, Davis, California ; and Department of Biomedical and Molecular Sciences and Department of Medicine, Queen's University , Kingston, Ontario , Canada
| | - Kaitlin Murray
- Department of Anatomy, Physiology, and Cell Biology, UC Davis School of Veterinary Medicine, UC Davis, Davis, California ; and Department of Biomedical and Molecular Sciences and Department of Medicine, Queen's University , Kingston, Ontario , Canada
| | - Alan E Lomax
- Department of Anatomy, Physiology, and Cell Biology, UC Davis School of Veterinary Medicine, UC Davis, Davis, California ; and Department of Biomedical and Molecular Sciences and Department of Medicine, Queen's University , Kingston, Ontario , Canada
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11
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Bosmans G, Shimizu Bassi G, Florens M, Gonzalez-Dominguez E, Matteoli G, Boeckxstaens GE. Cholinergic Modulation of Type 2 Immune Responses. Front Immunol 2017; 8:1873. [PMID: 29312347 PMCID: PMC5742746 DOI: 10.3389/fimmu.2017.01873] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 12/08/2017] [Indexed: 12/28/2022] Open
Abstract
In recent years, the bidirectional relationship between the nervous and immune system has become increasingly clear, and its role in both homeostasis and inflammation has been well documented over the years. Since the introduction of the cholinergic anti-inflammatory pathway, there has been an increased interest in parasympathetic regulation of both innate and adaptive immune responses, including T helper 2 responses. Increasing evidence has been emerging suggesting a role for the parasympathetic nervous system in the pathophysiology of allergic diseases, including allergic rhinitis, asthma, food allergy, and atopic dermatitis. In this review, we will highlight the role of cholinergic modulation by both nicotinic and muscarinic receptors in several key aspects of the allergic inflammatory response, including barrier function, innate and adaptive immune responses, and effector cells responses. A better understanding of these cholinergic processes mediating key aspects of type 2 immune disorders might lead to novel therapeutic approaches to treat allergic diseases.
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Affiliation(s)
- Goele Bosmans
- Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium
| | - Gabriel Shimizu Bassi
- Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium
| | - Morgane Florens
- Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium
| | - Erika Gonzalez-Dominguez
- Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium
| | - Gianluca Matteoli
- Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium
| | - Guy E Boeckxstaens
- Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium
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Tauber PA, Pickl WF. Pharmacological targeting of allergen-specific T lymphocytes. Immunol Lett 2017; 189:27-39. [PMID: 28322861 DOI: 10.1016/j.imlet.2017.03.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Accepted: 03/15/2017] [Indexed: 12/18/2022]
Abstract
Allergic disorders are the result of a complex pathophysiology, involving major cellular lineages and a multitude of humoral factors of the innate and adaptive immune system, and have the tendency to involve multiple organs. Consequently, even standard pharmacological treatment of allergies is rarely specific but usually targets more than one pathway/cellular system at a time. Accordingly, many of the classic anti-allergic drugs have a critical impact also on T helper cells, which are pivotal not only during the sensitization but also the maintenance phase of allergic diseases. Recent years have seen a dramatic increase of novel drugs with the potency to interfere, more or less specifically, with T lymphocyte function, which might, possibly together with classic anti-allergic drugs, help harnessing one of the central cellular players in allergic responses. A major theme in the years to come will be a thoughtful combination of previously established with recently developed treatment modalities.
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Affiliation(s)
- Peter A Tauber
- Institute of Immunology, Center for Pathophysiology, Infectiology, and Immunology, Medical University of Vienna, Vienna, Austria
| | - Winfried F Pickl
- Institute of Immunology, Center for Pathophysiology, Infectiology, and Immunology, Medical University of Vienna, Vienna, Austria.
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Gori S, Vermeulen M, Remes-Lenicov F, Jancic C, Scordo W, Ceballos A, Towstyka N, Bestach Y, Belli C, Sabbione F, Geffner J, Salamone G. Acetylcholine polarizes dendritic cells toward a Th2-promoting profile. Allergy 2017; 72:221-231. [PMID: 27138374 DOI: 10.1111/all.12926] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2016] [Indexed: 02/03/2023]
Abstract
BACKGROUND A growing body of research shows a reciprocal regulation between the neural and immune systems. Acetylcholine (ACh) is the most important parasympathetic neurotransmitter, and increasing evidence indicates that it is able to modulate the immune response. Interestingly, in recent years, it has become clear that immune cells express a non-neuronal cholinergic system, which is stimulated in the course of inflammatory processes. We have previously shown that dendritic cells (DC) express muscarinic receptors, as well as the enzymes responsible for the synthesis and degradation of ACh. Here, we analyzed whether ACh could also modulate the functional profile of DC. METHODS Dendritic cells were obtained from monocytes cultured for 5 days with GM-CSF+IL-4 or isolated from peripheral blood (CD1c+ DC). The phenotype of DC was evaluated by flow cytometry, the production of cytokines was analyzed by ELISA or intracellular staining and flow cytometry, and the expression of muscarinic and nicotinic receptors was evaluated by flow cytometry or qRT-PCR. RESULTS Treatment of DC with ACh stimulated the expression of the Th2-promoter OX40L, the production of the Th2-chemokines MDC (macrophage-derived chemokine/CCL22) and TARC (thymus and activation-regulated chemokine/CCL17), and the synthesis of IL-4, IL-5, and IL-13 by T cells, in the course of the mixed lymphocyte reaction (MLR). Moreover, we found that the stimulation of OX40L, HLA-DR, and CD83 expressions in DC induced by the Th2-promoting cytokine TSLP, as well as the production of IL-13, IL-4, and IL-5 by T cells in the course of the MLR, was further enhanced when DC were treated with TSLP plus ACh, instead of TSLP or ACh alone. CONCLUSIONS Our observations suggest that ACh polarizes DC toward a Th2-promoting profile.
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Affiliation(s)
- S. Gori
- Instituto de Medicina Experimental (IMEX) CONICET; Academia Nacional de Medicina; CABA Argentina
| | - M. Vermeulen
- Instituto de Medicina Experimental (IMEX) CONICET; Academia Nacional de Medicina; CABA Argentina
- Departamento de Microbiología; Parasitología e Inmunología; Facultad de Medicina; Universidad de Buenos Aires; CABA Argentina
| | - F. Remes-Lenicov
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS); Universidad de Buenos Aires - CONICET; CABA Argentina
| | - C. Jancic
- Instituto de Medicina Experimental (IMEX) CONICET; Academia Nacional de Medicina; CABA Argentina
- Departamento de Microbiología; Parasitología e Inmunología; Facultad de Medicina; Universidad de Buenos Aires; CABA Argentina
| | - W. Scordo
- Servicio de Medicina Transfusional; Hospital Italiano de Buenos Aires; CABA Argentina
| | - A. Ceballos
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS); Universidad de Buenos Aires - CONICET; CABA Argentina
| | - N. Towstyka
- Instituto de Medicina Experimental (IMEX) CONICET; Academia Nacional de Medicina; CABA Argentina
| | - Y. Bestach
- Instituto de Medicina Experimental (IMEX) CONICET; Academia Nacional de Medicina; CABA Argentina
| | - C. Belli
- Instituto de Medicina Experimental (IMEX) CONICET; Academia Nacional de Medicina; CABA Argentina
| | - F. Sabbione
- Instituto de Medicina Experimental (IMEX) CONICET; Academia Nacional de Medicina; CABA Argentina
| | - J. Geffner
- Departamento de Microbiología; Parasitología e Inmunología; Facultad de Medicina; Universidad de Buenos Aires; CABA Argentina
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS); Universidad de Buenos Aires - CONICET; CABA Argentina
| | - G. Salamone
- Instituto de Medicina Experimental (IMEX) CONICET; Academia Nacional de Medicina; CABA Argentina
- Departamento de Microbiología; Parasitología e Inmunología; Facultad de Medicina; Universidad de Buenos Aires; CABA Argentina
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Autonomic function in adults with allergic rhinitis and its association with disease severity and duration. Ann Allergy Asthma Immunol 2016; 118:174-178. [PMID: 28041676 DOI: 10.1016/j.anai.2016.11.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Revised: 11/11/2016] [Accepted: 11/16/2016] [Indexed: 11/22/2022]
Abstract
BACKGROUND The association between allergic rhinitis (AR) and the autonomic nervous system (ANS) has recently received substantial attention. However, no studies have assessed how the heart rate variability (HRV) parameters are associated with duration and disease severity in AR. OBJECTIVE To compare the difference in autonomic conditions among individuals with AR of various durations and severities and healthy controls. METHODS We divided individuals with AR into subgroups based on duration and severity of disease. Next, we measured HRV, and the results were compared among subgroups and healthy controls. RESULTS High frequency (HF) and normalized high frequency (NHF) were significantly higher in the intermittent group than in the control group, whereas normalized low frequency (NLF) and the ratio of absolute LF to HF power (LF/HF) were significantly lower in the intermittent group than in the control group. Furthermore, NLF was significantly higher in the persistent group than in the intermittent group. HF and NHF were significantly higher in the mild group than in the control group, whereas NLF and LF/HF were significantly lower in the mild group than in the control group. The total nasal symptom and itchy nose scores were negatively correlated with NHF. CONCLUSION Our results indicate that patients with intermittent and mild AR have hypervagal activity and hyposympathetic activity, and the predominance lessens in patients with more persistent AR and severe symptoms. Further investigation of the mechanisms underlying the association between autonomic function and persistent and severe AR is needed.
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Paparini D, Gori S, Grasso E, Scordo W, Calo G, Pérez Leirós C, Ramhorst R, Salamone G. Acetylcholine contributes to control the physiological inflammatory response during the peri-implantation period. Acta Physiol (Oxf) 2015; 214:237-47. [PMID: 25819434 DOI: 10.1111/apha.12494] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Revised: 02/06/2015] [Accepted: 03/18/2015] [Indexed: 12/20/2022]
Abstract
BACKGROUND Maternal antigen-presenting cells attracted to the pregnant uterus interact with trophoblast cells and modulate their functional profile to favour immunosuppressant responses. Non-neuronal cholinergic system is expressed in human cytotrophoblast cells and in immune cells with homeostatic regulatory functions. AIM The aim of this work was to evaluate whether non-neuronal acetylcholine conditions maternal monocyte and DC migration and activation profiles. METHODS We used an in vitro model resembling maternal-placental interface represented by the co-culture of human trophoblast cells (Swan-71 cell line) and monocytes or DC. RESULTS When cytotrophoblast cells were treated with neostigmine (Neo) to concentrate endogenous acetylcholine levels, monocyte migration was increased. In parallel, high levels of IL-10 and decreased levels of TNF-α were observed upon interaction of maternal monocytes with trophoblast cells. This effect was synergized by Neo and was prevented by atropine, a muscarinic acetylcholine receptor antagonist. Similarly, trophoblast cells increased the migration of DC independently of Neo treatment; however, enhanced IL-10 and MCP-1 synthesis in trophoblast-DC co-cultures with no changes in TNF-α and IL-6 was observed. In fact, there were no changes in HLA-DR, CD86 or CD83 expression. Finally, trophoblast cells treated with Neo increased the expression of two antigen-presenting cells attracting chemokines, MCP-1, MIP-1α and RANTES through muscarinic receptors, and it was prevented by atropine. CONCLUSIONS Our present results support a novel role of acetylcholine synthesized by trophoblast cells to modulate antigen-presenting cell migration and activation favouring an immunosuppressant profile that contributes to immune homeostasis maintenance at the maternal-foetal interface.
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Affiliation(s)
- D. Paparini
- Departamento de Química Biológica; Facultad de Ciencias Exactas y Naturales; IQUIBICEN-CONICET; Universidad de Buenos Aires; Buenos Aires Argentina
| | - S. Gori
- Instituto de Medicina Experimental-IMEX-CONICET; Academia Nacional de Medicina; Buenos Aires Argentina
| | - E. Grasso
- Departamento de Química Biológica; Facultad de Ciencias Exactas y Naturales; IQUIBICEN-CONICET; Universidad de Buenos Aires; Buenos Aires Argentina
| | - W. Scordo
- Servicio de Medicina Transfusional; Hospital Italiano de Buenos Aires; Buenos Aires Argentina
| | - G. Calo
- Departamento de Química Biológica; Facultad de Ciencias Exactas y Naturales; IQUIBICEN-CONICET; Universidad de Buenos Aires; Buenos Aires Argentina
| | - C. Pérez Leirós
- Departamento de Química Biológica; Facultad de Ciencias Exactas y Naturales; IQUIBICEN-CONICET; Universidad de Buenos Aires; Buenos Aires Argentina
| | - R. Ramhorst
- Departamento de Química Biológica; Facultad de Ciencias Exactas y Naturales; IQUIBICEN-CONICET; Universidad de Buenos Aires; Buenos Aires Argentina
| | - G. Salamone
- Instituto de Medicina Experimental-IMEX-CONICET; Academia Nacional de Medicina; Buenos Aires Argentina
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Granja MG, Braga LEG, Carpi-Santos R, de Araujo-Martins L, Nunes-Tavares N, Calaza KC, dos Santos AA, Giestal-de-Araujo E. IL-4 Induces Cholinergic Differentiation of Retinal Cells In Vitro. Cell Mol Neurobiol 2015; 35:689-701. [DOI: 10.1007/s10571-015-0164-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Accepted: 02/03/2015] [Indexed: 12/01/2022]
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Daoud A, Xie Z, Ma Y, Wang T, Tan G. Changes of T-helper type 1/2 cell balance by anticholinergic treatment in allergic mice. Ann Allergy Asthma Immunol 2014; 112:249-55. [PMID: 24428969 DOI: 10.1016/j.anai.2013.12.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Revised: 11/16/2013] [Accepted: 12/08/2013] [Indexed: 11/25/2022]
Abstract
BACKGROUND Anticholinergic drugs or vidian neurectomy can alleviate the symptoms of allergic rhinitis. OBJECTIVE To show that inhibition of the cholinergic nerve influences the balance of T-helper type 1 and 2 cells in allergic rhinitis mice. METHODS Twenty-four mice were randomly allocated to 1 of 4 groups: control, model, model with ipratropium bromide treatment, and model with 6-hydroxydopamine treatment. Allergic model-treated mice were sensitized with ovalbumin. Evaluation of allergic symptoms was recorded according to a symptom score. Ovalbumin serum IgE was measured by enzyme-linked immunosorbent assay. Expression of interleukin-4, interferon-γ, forkhead box P3, substance P, and vasoactive intestinal peptides was detected by immunohistochemistry and imaging analysis. RESULTS Symptoms in allergic mice were significantly alleviated by ipratropium bromide. Ovalbumin serum IgE and eosinophils of nasal mucosa were significantly decreased. Interleukin-4 expression level was significantly higher in the allergic model group than in the control group and significantly decreased by ipratropium bromide (P < .05). In contrast, the expression of forkhead box P3 was lower in the allergic model group than in the control group and increased with treatment by ipratropium bromide (P < .05). Conversely, interferon-γ expression was not changed by anticholinergic treatment in the nasal mucosa of allergic mice. Expression of substance P and vasoactive intestinal peptide was significantly increased in allergic mice and decreased by ipratropium bromide. Sympathetic denervation did not change the expression of interleukin-4, interferon-γ, forkhead box P3, substance P, and vasoactive intestinal peptide. CONCLUSION inhibition of the cholinergic nerve not only alleviated symptoms of allergic rhinitis by inhibiting the impulse of the parasympathetic nerve but also modulated the T-helper type 2-predominant immune reaction, expression of neuropeptides, and related inflammation factors.
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Affiliation(s)
- Ahmed Daoud
- Department of Otolaryngology-Head Neck Surgery, Third Xiangya Hospital, Central South University, Changsha, China
| | - Zuozheng Xie
- Department of Otolaryngology-Head Neck Surgery, Third Xiangya Hospital, Central South University, Changsha, China
| | - Yanhong Ma
- Department of Otolaryngology-Head Neck Surgery, Third Xiangya Hospital, Central South University, Changsha, China
| | - Tiansheng Wang
- Department of Otolaryngology-Head Neck Surgery, Third Xiangya Hospital, Central South University, Changsha, China
| | - Guolin Tan
- Department of Otolaryngology-Head Neck Surgery, Third Xiangya Hospital, Central South University, Changsha, China.
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Nonneuronal Cholinergic System in Breast Tumors and Dendritic Cells: Does It Improve or Worsen the Response to Tumor? ACTA ACUST UNITED AC 2013. [DOI: 10.1155/2013/486545] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Besides being the main neurotransmitter in the parasympathetic nervous system, acetylcholine (ACh) can act as a signaling molecule in nonneuronal tissues. For this reason, ACh and the enzymes that synthesize and degrade it (choline acetyltransferase and acetylcholinesterase) as well as muscarinic (mAChRs) and nicotinic receptors conform the non-neuronal cholinergic system (nNCS). It has been reported that nNCS regulates basal cellular functions including survival, proliferation, adhesion, and migration. Moreover, nNCS is broadly expressed in tumors and in different components of the immune system. In this review, we summarize the role of nNCS in tumors and in different immune cell types focusing on the expression and function of mAChRs in breast tumors and dendritic cells (DCs) and discussing the role of DCs in breast cancer.
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The presence of CD209 expressing dendritic cells correlates with biofilm positivity in chronic rhinosinusitis with nasal polyposis. Eur Arch Otorhinolaryngol 2013; 270:2455-63. [PMID: 23358586 DOI: 10.1007/s00405-013-2372-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2012] [Accepted: 01/17/2013] [Indexed: 12/18/2022]
Abstract
Biofilm-positive cases of chronic rhinosinusitis with nasal polyposis (CRSwNP) may form a separate clinical entity, which is characterized by high recurrence rates and resistance against different therapeutic strategies. This can be explained by a special immunologic phenotype. Biofilm existence has been supposed to correlate with increased amount of dendritic cells that are responsible for antigen presentation in CRSwNP. A total of 20 patients with CRSwNP undergoing endoscopic sinus surgery (ESS) were analyzed. The negative control group consisted of ten patients undergoing septoplasty without CRSwNP. Three series of individual nasal polyps and control specimens were processed to hematoxylin-eosin (HE) and Gram staining and to CD209-specific immunofluorescent assay, respectively. Biofilm was detected in 13 of 20 patients (65 %) with CRSwNP and in none of the ten negative controls. The subepithelial layer of biofilm-positive nasal polyps displayed a statistically significant (p < 0.001) increase in the numbers of CD209-expressing dendritic cells compared to biofilm-negative specimens. It was found that biofilm detectability showed strong correlation to the architecture of respiratory mucosa and to the dominant inflammatory cell type of the subepithelial layer. Persisting bacterial biofilms may affect the type of antigen presentation and consecutive immune reactions in the subepithelial layer of nasal mucosa. This phenomenon may result in different inflammatory pathways with specific cytokine profile compared to biofilm-negative cases. Co-existence of bacterial biofilms and dominant pattern of dendritic cells suggest a biofilm-associated immunologic phenotype in CRSwNP. This can explain the mucosal changes, functional disorders and therapy resistance featuring CRSwNP.
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Emin O, Esra G, Ufuk E, Demiri A, Ayhan S, Rusen DM. Autonomic dysfunction and clinical severity of disease in children with allergic rhinitis. Int J Pediatr Otorhinolaryngol 2012; 76:1196-200. [PMID: 22626475 DOI: 10.1016/j.ijporl.2012.05.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2012] [Revised: 04/30/2012] [Accepted: 05/03/2012] [Indexed: 02/06/2023]
Abstract
OBJECTIVES The involvement of autonomic imbalance has been reported in the pathogenesis of allergic diseases. PURPOSE To investigate the association between the clinical severity of childhood allergic rhinitis and autonomic nervous system (ANS) dysfunction, to define whether the severity of disease correlates with ANS activity. METHODS In this cross-sectional, case-control study, we evaluated the ANS testing by measuring sympathetic skin response (SRR) and heart rate (R-R) interval variation (RRIV) in 55 children with perennial allergic rhinitis (PAR), aged 7-12 yrs without any chronic co-morbidity, and the results were compared with 40 sex- and age-matched control subjects. The patients were divided into two groups according to the severity of allergic rhinitis. RESULTS There were significant increase in calculated RRIV variables during at rest and deep breathing in children with PAR compared to controls, which reflect parasympathetic nervous system (PNS) activity (p<0.005). The mean amplitude of SSR in patients, which reflect sympathetic nervous system (SNS) activity was smaller compared with the controls, but this difference was not significant (0.61±0.35 μV vs controls 0.94±0.46, p>0.05). Lower RRIV and the prolonged SSR latencies in children with AR were closely correlated with disease severity (r=-0.65, p<0.05, and r=-0.59, p<0.05 respectively). CONCLUSION Combined use of these two tests, allows separate testing of PNS and SNS function, and are very sensitive methods in assessing of severity of disease in children with PAR.
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Affiliation(s)
- Ozkaya Emin
- Department of Pediatrics, Division of Pediatric Allergy, Bezmialem Vakif University, Istanbul, Turkey.
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Qiu S, Du Y, Duan X, Geng X, Xie J, Gao H, Yang PC. B cell immunity in allergic nasal mucosa induces T helper 2 cell differentiation. J Clin Immunol 2012; 32:886-95. [PMID: 22454245 DOI: 10.1007/s10875-012-9675-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2011] [Accepted: 02/17/2012] [Indexed: 01/27/2023]
Abstract
BACKGROUND The pathogenesis of allergic diseases is to be further understood. Recent studies indicate that B cells are involved in the immune regulation. The present study aimed to investigate the role of B cells in the initiation of skewed T helper (Th)2 polarization. METHODS The surgically removed nasal mucosal specimens from 24 patients with allergic rhinitis (AR) and 22 patients with non-AR (nAR) were collected. B cells isolated from the AR nasal mucosa were characterized. The effect of B cells on inducing naïve CD4+ T cells to differentiate into Th2 cells was evaluated with a cell culture model. RESULTS Abundant B cells were detected in the nasal mucosa of patients with AR, which also expressed high levels of T cell immunoglobulin mucin domain (TIM)4 and costimulatory molecules. High levels of Staphylococcal enterotoxin B (SEB) were detected in the AR nasal mucosa. Expression of TIM4 could be induced in naïve B cells in the presence of SEB in culture. TIM4+ B cells could induce naïve CD4+ T cells to differentiate into Th2 cells. CONCLUSIONS TIM4+ B cells from AR nasal mucosa can induce skewed Th2 polarization. It may be a potential therapeutic target in the treatment of AR. B cells plays an important role in the initiation of Th2 polarization. KEY MESSAGES • High frequency of B cells exists in nasal mucosa of allergic rhinitis • These B cells express high levels of TIM4 • TIM4+ B cells can initiate the skewed Th2 polarization.
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Affiliation(s)
- Shuqi Qiu
- Shenzhen ENT Institute, Shenzheng, Guangzhou, China.
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Verbout NG, Jacoby DB. Muscarinic receptor agonists and antagonists: effects on inflammation and immunity. Handb Exp Pharmacol 2012:403-27. [PMID: 22222708 DOI: 10.1007/978-3-642-23274-9_17] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
In this chapter, we will review what is known about muscarinic regulation of immune cells and the contribution of immune cell muscarinic receptors to inflammatory disease and immunity. In particular, immune cell expression of cholinergic machinery, muscarinic receptor subtypes and functional consequences of agonist stimulation will be reviewed. Lastly, this chapter will discuss the potential therapeutic effects of selective antagonists on immune cell function and inflammatory disease in recent animal studies and human clinical trials.
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Affiliation(s)
- Norah G Verbout
- School of Public Health, Harvard University, 665 Huntington Avenue, Boston, MA 02115, USA.
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Salamone G, Lombardi G, Gori S, Nahmod K, Jancic C, Amaral MM, Vermeulen M, Español A, Sales ME, Geffner J. Cholinergic modulation of dendritic cell function. J Neuroimmunol 2011; 236:47-56. [PMID: 21665296 DOI: 10.1016/j.jneuroim.2011.05.007] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2011] [Revised: 05/03/2011] [Accepted: 05/14/2011] [Indexed: 12/25/2022]
Abstract
Dendritic cells (DCs) are highly specialized antigen-presenting cells with a unique ability to activate resting T lymphocytes. Acetylcholine (ACh) is the primary parasympathetic neurotransmitter and also a non-neural paracrine factor produced by different cells. Here, we analyzed the expression of the cholinergic system in DCs. We found that DCs express the muscarinic receptors M(3), M(4) and M(5), as well as the enzymes responsible for the synthesis and degradation of ACh, choline acetyltransferase (ChAT) and acetylcholinesterase (AChE), respectively. Differentiation of DCs in the presence of the cholinergic agonist carbachol, the synthetic analog of ACh, resulted in an increased expression of HLA-DR and CD86 and the stimulation of TNF-α and IL-8 production. All these effects were prevented by atropine, a muscarinic ACh receptor (mAChR) antagonist. Carbachol, was also able to modulate the function of DCs when added after the differentiation is accomplished; it increased the expression of HLA-DR, improved the T cell priming ability of DCs, and stimulated the production of TNF-α but not IL-12 or IL-10. By contrast, carbachol significantly inhibited the stimulation of HLA-DR expression and the enhancement in the T cell priming ability of DCs triggered by LPS. Interestingly, the TNF-α antagonist etanercept completely prevented the increased expression of HLA-DR induced by carbachol, suggesting that it promotes the phenotypic maturation of DCs by stimulating the production of TNF-α. ACh induced similar effects than carbachol; it stimulated the expression of HLA-DR and the production of TNF-α, while inhibiting the stimulation of HLA-DR expression and IL-12 production triggered by LPS. Similarly, neostigmine, an inhibitor of AChE, also stimulated the expression of HLA-DR and the production of TNF-α by DCs while inhibiting the production of TNF-α and IL-12 triggered by LPS. These results support the existence of an autocrine/paracrine loop through which ACh modulates the function of DCs.
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Affiliation(s)
- Gabriela Salamone
- Departamento de Inmunología, Instituto de Investigaciones Hematológicas and Instituto de Estudios Oncológicos Fundación Maissa, Academia Nacional de Medicina, Argentina.
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Current World Literature. Curr Opin Otolaryngol Head Neck Surg 2011; 19:229-30. [DOI: 10.1097/moo.0b013e328347afd0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Abstract
PURPOSE OF REVIEW Dendritic cells generally play an important role as sentinels in the immune system. They are also very important in protecting the airways from invading pathogens and harmful particles and antigens. This review discusses current knowledge about dendritic cell function and the interaction between dendritic cells and their surroundings, the epithelium, during their presence in the nasal mucosa. RECENT FINDINGS There are some phenotypical differences between myeloid dendritic cells and plasmacytoid dendritic cells in different types of rhinitis. Since it has become possible to perform functional studies on purified dendritic cell populations obtained from the upper airway mucosa, a number of studies have appeared. Some confirm that thymic stromal lymphopoietin is present in the nasal mucosa and that it may influence dendritic cell-T-cell interaction in a pro-Th2 way. Epithelial cells share several characteristics with dendritic cells, but they cannot migrate and move antigens to draining lymph nodes. SUMMARY Several functional dendritic cell studies have been published indicating that there are disease-dependent dendritic cell differences in rhinitis. In addition to these differences, factors like epithelial cells and T cells influence dendritic cells. Several new therapeutic options are available targeting direct or indirect dendritic cell functions.
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