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Kaplan A, Lakkis B, El-Samadi L, Karaayvaz EB, Booz GW, Zouein FA. Cooling Down Inflammation in the Cardiovascular System via the Nicotinic Acetylcholine Receptor. J Cardiovasc Pharmacol 2023; 82:241-265. [PMID: 37539950 DOI: 10.1097/fjc.0000000000001455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 07/06/2023] [Indexed: 08/05/2023]
Abstract
ABSTRACT Inflammation is a major player in many cardiovascular diseases including hypertension, atherosclerosis, myocardial infarction, and heart failure. In many individuals, these conditions coexist and mutually exacerbate each other's progression. The pathophysiology of these diseases entails the active involvement of both innate and adaptive immune cells. Immune cells that possess the α7 subunit of the nicotinic acetylcholine receptor on their surface have the potential to be targeted through both pharmacological and electrical stimulation of the cholinergic system. The cholinergic system regulates the inflammatory response to various stressors in different organ systems by systematically suppressing spleen-derived monocytes and chemokines and locally improving immune cell function. Research on the cardiovascular system has demonstrated the potential for atheroma plaque stabilization and regression as favorable outcomes. Smaller infarct size and reduced fibrosis have been associated with improved cardiac function and a decrease in adverse cardiac remodeling. Furthermore, enhanced electrical stability of the myocardium can lead to a reduction in the incidence of ventricular tachyarrhythmia. In addition, improving mitochondrial dysfunction and decreasing oxidative stress can result in less myocardial tissue damage caused by reperfusion injury. Restoring baroreflex activity and reduction in renal damage can promote blood pressure regulation and help counteract hypertension. Thus, the present review highlights the potential of nicotinic acetylcholine receptor activation as a natural approach to alleviate the adverse consequences of inflammation in the cardiovascular system.
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Affiliation(s)
- Abdullah Kaplan
- Department of Pharmacology and Toxicology, Faculty of Medicine, American University of Beirut, Riad El-Solh, Beirut, Lebanon
- Department of Cardiology, Kemer Public Hospital, Kemer, Antalya, Turkey
- The Cardiovascular, Renal, and Metabolic Diseases Research Center of Excellence, American University of Beirut Medical Center, Riad El-Solh, Beirut, Lebanon
| | - Bachir Lakkis
- Department of Pharmacology and Toxicology, Faculty of Medicine, American University of Beirut, Riad El-Solh, Beirut, Lebanon
| | - Lana El-Samadi
- Department of Pharmacology and Toxicology, Faculty of Medicine, American University of Beirut, Riad El-Solh, Beirut, Lebanon
| | - Ekrem Bilal Karaayvaz
- Department of Cardiology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - George W Booz
- Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center, Jackson, MS; and
| | - Fouad A Zouein
- Department of Pharmacology and Toxicology, Faculty of Medicine, American University of Beirut, Riad El-Solh, Beirut, Lebanon
- The Cardiovascular, Renal, and Metabolic Diseases Research Center of Excellence, American University of Beirut Medical Center, Riad El-Solh, Beirut, Lebanon
- Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center, Jackson, MS; and
- Department of Signaling and Cardiovascular Pathophysiology, UMR-S 1180, Inserm, Université Paris-Saclay, France
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Zhang E, Liang S, Sun T, Xu J, Lu F, Wu D, Zhang J, He L, Zhang F, Fan S, Ma W. Prognostic value of heart rate variability in atrial fibrillation recurrence following catheter ablation: A systematic review and meta-analysis. Front Cardiovasc Med 2023; 9:1048398. [PMID: 36818913 PMCID: PMC9932203 DOI: 10.3389/fcvm.2022.1048398] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 12/29/2022] [Indexed: 02/05/2023] Open
Abstract
Background Atrial fibrillation (AF) has been a worldwide health issue with increasing prevalence and mortality. Recently, increasing attention has been gained to the relationship between heart rate variability (HRV) and the clinical prognosis of AF catheter ablation. We aimed to evaluate the prognostic value of HRV in AF recurrence. Methods We systematically searched Web of Science, PubMed, and Embase from inception until 17 August 2022 to conduct the systematic review and meta-analysis. We included the studies reporting the predictive value of HRV parameters for AF recurrence or in which HRV parameters in AF recurrence and non-recurrence groups were individually reported. Results Finally, we enrolled 16 studies, including 2,352 patients. Higher rMSSD could independently predict AF recurrence following catheter ablation (OR: 1.02, 95% CI: 1.00-1.04; p = 0.03). Higher HF (OR: 1.55, 95% CI: 1.05-2.28; p = 0.03) and lower LF/HF (OR: 1.12, 95% CI: 1.03-1.20; p = 0.004) could independently predict AF recurrence within 1 year. Higher SDNN (OR: 1.02, 95% CI: 101-1.02; p = 0.0006) could independently predict AF recurrence among patients with paroxysmal AF. Almost all HRV parameters within 3 days after catheter ablation and lnHF, lnLF, and rMSSD at 3 months after catheter ablation performed significant differences in AF recurrence and non-recurrence groups. Conclusion Heart rate variability, especially higher rMSSD (within short-term and long-term periods), was closely related to recurrent AF following catheter ablation, highlighting the clinical importance of HRV in the prognosis of AF following catheter ablation.
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Affiliation(s)
- Enyuan Zhang
- Heart Rhythm Center, Department of Cardiology, Tianjin Chest Hospital, School of Medicine, Nankai University, Tianjin, China
| | - Shuo Liang
- Department of Radiology, Tianjin Chest Hospital, Tianjin University, Tianjin, China
| | - Tianhong Sun
- Cardiac Function Department, Tianjin Chest Hospital, Tianjin University, Tianjin, China
| | - Jing Xu
- Heart Rhythm Center, Department of Cardiology, Tianjin Chest Hospital, School of Medicine, Nankai University, Tianjin, China,Jing Xu ✉
| | - Fengmin Lu
- Heart Rhythm Center, Department of Cardiology, Tianjin Chest Hospital, School of Medicine, Nankai University, Tianjin, China
| | - Dongyan Wu
- Heart Rhythm Center, Department of Cardiology, Tianjin Chest Hospital, School of Medicine, Nankai University, Tianjin, China
| | - Jingkun Zhang
- Cardiovascular Research Institute, University of California San Francisco, San Francisco, CA, United States
| | - Le He
- Heart Rhythm Center, Department of Cardiology, Tianjin Chest Hospital, School of Medicine, Nankai University, Tianjin, China
| | - Fan Zhang
- Heart Rhythm Center, Department of Cardiology, Tianjin Chest Hospital, School of Medicine, Nankai University, Tianjin, China
| | - Shaobo Fan
- Heart Rhythm Center, Department of Cardiology, Tianjin Chest Hospital, School of Medicine, Nankai University, Tianjin, China
| | - Wei Ma
- Heart Rhythm Center, Department of Cardiology, Tianjin Chest Hospital, School of Medicine, Nankai University, Tianjin, China,*Correspondence: Wei Ma ✉
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Yao Y, Yang M, Liu D, Zhao Q. Immune remodeling and atrial fibrillation. Front Physiol 2022; 13:927221. [PMID: 35936905 PMCID: PMC9355726 DOI: 10.3389/fphys.2022.927221] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Accepted: 06/30/2022] [Indexed: 11/13/2022] Open
Abstract
Atrial fibrillation (AF) is a highly prevalent arrhythmia that causes high morbidity and mortality. However, the underlying mechanism of AF has not been fully elucidated. Recent research has suggested that, during AF, the immune system changes considerably and interacts with the environment and cells involved in the initiation and maintenance of AF. This may provide a new direction for research and therapeutic strategies for AF. In this review, we elaborate the concept of immune remodeling based on available data in AF. Then, we highlight the complex relationships between immune remodeling and atrial electrical, structural and neural remodeling while also pointing out some research gaps in these field. Finally, we discuss several potential immunomodulatory treatments for AF. Although the heterogeneity of existing evidence makes it ambiguous to extrapolate immunomodulatory treatments for AF into the clinical practice, immune remodeling is still an evolving concept in AF pathophysiology and further studies within this field are likely to provide effective therapies for AF.
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Affiliation(s)
- Yajun Yao
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Mei Yang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Dishiwen Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Qingyan Zhao
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Cardiovascular Research Institute of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Cardiology, Wuhan, China
- *Correspondence: Qingyan Zhao,
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Zhang SJ, Huang CX, Zhao QY, Zhang SD, Dai ZX, Zhao HY, Qian YS, Zhang YJ, Wang YC, He B, Tang YH, Wang T, Wang X. The Role of α7nAChR-Mediated Cholinergic Anti-Inflammatory Pathway in Vagal Nerve Regulated Atrial Fibrillation. Int Heart J 2021; 62:607-615. [PMID: 34054001 DOI: 10.1536/ihj.18-510] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The aim was to investigate the role of the α7nAChR-mediated cholinergic anti-inflammatory pathway in vagal nerve regulated atrial fibrillation (AF).18 beagles (standard dogs for testing) were used in this study, and the effective refractory period (ERP) of atrium and pulmonary veins and AF inducibility were measured hourly during rapid atrial pacing at 800 beats/minute for 6 hours in all beagles. After cessation of 3 hours of RAP, the low-level vagal nerve stimulation (LL-VNS) group (n = 6) was given LL-VNS and injection of salinne (0.5 mL/GP) into four GPs, the methyllycaconitine (MLA, the antagonist of α7nAChR) group (n = 6) was given LL-VNS and injection of MLA into four GPs, and the Control group (n = 6) was given saline into four GPs and the right cervical vagal nerve was exposed without stimulation. Then, the levels of the tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), acetylcholine (ACh), STAT3, and NF-κB proteins were measured. During the first 3 hours of RAP, the ERPs gradually decreased while the dispersion of ERPs (dERPs) and AF inducibility gradually increased in all three groups. During the last 3 hours of 6 hours' RAP in this study, the ERPs in the LL-VNS group were higher, while the dERPs and AF inducibility were significantly lower when compared with the Control and MLA groups at the same time points. The levels of ACh in the serum and atrium in the LL-VNS and MLA groups were higher than in the Control group, and the levels of TNF-α and IL-6 were higher in the Control and MLA groups than in the LL-VNS group. The concentrations of STAT3 in RA and LA tissues were higher in the LL-VNS group while those of NF-κB were lower.In conclusion, the cholinergic anti-inflammatory pathway mediated by α7nACh plays an important role in low-level vagal nerve-regulated AF.
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Affiliation(s)
- Shu-Juan Zhang
- Department of Cardiology, Renmin Hospital of Wuhan University.,Cardiovascular Research Insititute, Wuhan University.,Hubei Key Laboratory of Cardiology
| | - Cong-Xin Huang
- Department of Cardiology, Renmin Hospital of Wuhan University.,Cardiovascular Research Insititute, Wuhan University.,Hubei Key Laboratory of Cardiology
| | - Qing-Yan Zhao
- Department of Cardiology, Renmin Hospital of Wuhan University.,Cardiovascular Research Insititute, Wuhan University.,Hubei Key Laboratory of Cardiology
| | - Shu-Di Zhang
- Department of Neurosurgery, Renmin Hospital of Wuhan University
| | - Zi-Xuan Dai
- Department of Cardiology, Renmin Hospital of Wuhan University.,Cardiovascular Research Insititute, Wuhan University.,Hubei Key Laboratory of Cardiology
| | - Hong-Yi Zhao
- Department of Cardiology, Renmin Hospital of Wuhan University.,Cardiovascular Research Insititute, Wuhan University.,Hubei Key Laboratory of Cardiology
| | - Yong-Sheng Qian
- Department of Cardiology, Renmin Hospital of Wuhan University.,Cardiovascular Research Insititute, Wuhan University.,Hubei Key Laboratory of Cardiology
| | - You-Jing Zhang
- Department of Cardiology, Renmin Hospital of Wuhan University.,Cardiovascular Research Insititute, Wuhan University.,Hubei Key Laboratory of Cardiology
| | - You-Cheng Wang
- Department of Cardiology, Renmin Hospital of Wuhan University.,Cardiovascular Research Insititute, Wuhan University.,Hubei Key Laboratory of Cardiology
| | - Bo He
- Department of Cardiology, Renmin Hospital of Wuhan University.,Cardiovascular Research Insititute, Wuhan University.,Hubei Key Laboratory of Cardiology
| | - Yan-Hong Tang
- Department of Cardiology, Renmin Hospital of Wuhan University.,Cardiovascular Research Insititute, Wuhan University.,Hubei Key Laboratory of Cardiology
| | - Teng Wang
- Department of Cardiology, Renmin Hospital of Wuhan University.,Cardiovascular Research Insititute, Wuhan University.,Hubei Key Laboratory of Cardiology
| | - Xi Wang
- Department of Cardiology, Renmin Hospital of Wuhan University.,Cardiovascular Research Insititute, Wuhan University.,Hubei Key Laboratory of Cardiology
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Feng M, Xiang B, Fan L, Wang Q, Xu W, Xiang H. Interrogating autonomic peripheral nervous system neurons with viruses - A literature review. J Neurosci Methods 2020; 346:108958. [PMID: 32979424 DOI: 10.1016/j.jneumeth.2020.108958] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 09/19/2020] [Accepted: 09/19/2020] [Indexed: 12/11/2022]
Abstract
How rich functionality emerges from the rather invariant structural architecture of the peripheral autonomic nervous system remains one of the major mysteries in neuroscience. The high incidence of patients with neural circuit-related autonomic nervous system diseases highlights the importance of fundamental research, among others with neurotracing methods, into autonomic neuron functionality. Due to the emergence of neurotropic virus-based tracing techniques in recent years the access to neuronal connectivity in the peripheral autonomic nervous system has greatly been improved. This review is devoted to the anatomical distribution of neural circuits in the periphery of the autonomous nervous system and to the interaction between the autonomic nervous system and vital peripheral organs or tissues. The experimental evidence available at present has greatly expanded our understanding of autonomic peripheral nervous system neurons.
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Affiliation(s)
- Maohui Feng
- Department of Oncology, Wuhan Peritoneal Cancer Clinical Medical Research Center, Zhongnan Hospital of Wuhan University, Hubei Key Laboratory of Tumor Biological Behaviors and Hubei Cancer Clinical Study Center, Wuhan 430071, PR China
| | - Boqi Xiang
- University of California-Davis, Davis, CA 95616, USA
| | - Li Fan
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, PR China
| | - Qian Wang
- Department Anesthesiology and Pain Medicine, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, PR China
| | - Weiguo Xu
- Department of Orthopedics, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, PR China
| | - HongBing Xiang
- Department Anesthesiology and Pain Medicine, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, PR China.
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Moscote-Salazar LR, Garcia-Ballestas E, Martinez-Perez R, Agrawal A, Vasquez H. Re: a case of a pharmacoresistant tachyarrhythmia associated with Arnold-Chiari malformation. Br J Neurosurg 2020; 35:798. [PMID: 31942819 DOI: 10.1080/02688697.2020.1713993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
| | | | | | - Amit Agrawal
- Narayana Medical College and Hospital, Nellore, India
| | - Harold Vasquez
- Facultad de Ciencias de la Salud, Universidad del Sinu Elias Bechara Zainum, Cartagena de Indias, Colombia
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