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Qiu H, Zhang H, Han DD, Derakhshandeh R, Wang X, Goyal N, Navabzadeh M, Rao P, Wilson EE, Mohammadi L, Olgin JE, Springer ML. Increased vulnerability to atrial and ventricular arrhythmias caused by different types of inhaled tobacco or marijuana products. Heart Rhythm 2023; 20:76-86. [PMID: 36603937 PMCID: PMC10006068 DOI: 10.1016/j.hrthm.2022.09.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 09/01/2022] [Accepted: 09/09/2022] [Indexed: 11/17/2022]
Abstract
BACKGROUND The emergence of a plethora of new tobacco products marketed as being less harmful than smoking, such as electronic cigarettes and heated tobacco products, and the increased popularity of recreational marijuana have raised concerns about the potential cardiovascular risk associated with their use. OBJECTIVE The purpose of this study was to investigate whether the use of novel tobacco products or marijuana can cause the development of proarrhythmic substrate and eventually lead to arrhythmias. METHODS Rats were exposed to smoke from tobacco, marijuana, or cannabinoid-depleted marijuana, to aerosol from electronic cigarettes or heated tobacco products, or to clean air once per day for 8 weeks, following by assays for blood pressure, cardiac function, ex vivo electrophysiology, and histochemistry. RESULTS The rats exposed to tobacco or marijuana products exhibited progressively increased systolic blood pressure, decreased cardiac systolic function with chamber dilation, and reduced overall heart rate variability, relative to the clean air negative control group. Atrial fibrillation and ventricular tachycardia testing by ex vivo optical mapping revealed a significantly higher susceptibility to each, with a shortened effective refractory period and prolonged calcium transient duration. Histological analysis indicated that in all exposure conditions except for air, exposure to smoke or aerosol from tobacco or marijuana products caused severe fibrosis with decreased microvessel density and higher level of sympathetic nerve innervation. CONCLUSION These pathophysiological results indicate that tobacco and marijuana products can induce arrhythmogenic substrates involved in cardiac electrical, structural, and neural remodeling, facilitating the development of arrhythmias.
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Affiliation(s)
- Huiliang Qiu
- Division of Cardiology, University of California, San Francisco, San Francisco, California
| | - Hao Zhang
- Division of Cardiology, University of California, San Francisco, San Francisco, California
| | - Daniel D Han
- Division of Cardiology, University of California, San Francisco, San Francisco, California
| | - Ronak Derakhshandeh
- Division of Cardiology, University of California, San Francisco, San Francisco, California
| | - Xiaoyin Wang
- Division of Cardiology, University of California, San Francisco, San Francisco, California
| | - Natasha Goyal
- Division of Cardiology, University of California, San Francisco, San Francisco, California
| | - Mina Navabzadeh
- Division of Cardiology, University of California, San Francisco, San Francisco, California
| | - Poonam Rao
- Division of Cardiology, University of California, San Francisco, San Francisco, California
| | - Emily E Wilson
- Division of Cardiology, University of California, San Francisco, San Francisco, California
| | - Leila Mohammadi
- Division of Cardiology, University of California, San Francisco, San Francisco, California
| | - Jeffrey E Olgin
- Division of Cardiology, University of California, San Francisco, San Francisco, California; Cardiovascular Research Institute, University of California, San Francisco, San Francisco, California
| | - Matthew L Springer
- Division of Cardiology, University of California, San Francisco, San Francisco, California; Cardiovascular Research Institute, University of California, San Francisco, San Francisco, California; Center for Tobacco Control Research and Education, University of California, San Francisco, San Francisco, California.
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2
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Xie S, Chen M, Fang W, Liu S, Wu Q, Liu C, Xing Y, Shi W, Xu M, Zhang M, Chen S, Zeng X, Wang S, Deng W, Tang Q. Diminished arachidonate 5-lipoxygenase perturbs phase separation and transcriptional response of Runx2 to reverse pathological ventricular remodeling. EBioMedicine 2022; 86:104359. [PMID: 36395739 PMCID: PMC9672960 DOI: 10.1016/j.ebiom.2022.104359] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 10/26/2022] [Accepted: 10/26/2022] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Arachidonate 5-lipoxygenase (Alox5) belongs to a class of nonheme iron-containing dioxygenases involved in the catalysis of leukotriene biosynthesis. However, the effects of Alox5 itself on pathological cardiac remodeling and heart failure remain elusive. METHODS The role of Alox5 in pathological cardiac remodeling was investigated by Alox5 genetic depletion, AAV9-mediated overexpression in cardiomyocytes, and a bone marrow (BM) transplantation approach. Neonatal rat cardiomyocytes were used to explore the effects of Alox5 in vitro. Molecular and signaling pathways were revealed by CUT &Tag, IP-MS, RNA sequencing and bioinformatic analyses. FINDINGS Untargeted metabolomics showed that serum 5-HETE (a primary product of Alox5) levels were little changed in patients with cardiac hypertrophy, while Alox5 expression was significantly upregulated in murine hypertensive cardiac samples and human cardiac samples of hypertrophy, which prompted us to test whether high Alox5 levels under hypertensive stimuli were directly associated with pathologic myocardium in an enzymatic activity-independent manner. Herein, we revealed that Alox5 deficiency significantly ameliorated transverse aortic constriction (TAC)-induced hypertrophy. Cardiomyocyte-specific Alox5 depletion attenuated hypertensive ventricular remodeling. Conversely, cardiac-specifical Alox5 overexpression showed a pro-hypertrophic cardiac phenotype. Ablation of Alox5 in bone marrow-derived cells did not affect pathological cardiac remodeling and heart failure. Mechanically, Runx2 was identified as a target of Alox5. In this regard, Alox5 PEST domain could directly bind to Runx2 PTS domain, promoting nuclear localization of Runx2 in an enzymatic activity-independent manner, simultaneously contributed to liquid-liquid phase separation (LLPS) of Runx2 at specific domain in the nucleus and increased transcription of EGFR in cardiomyocytes. Runx2 depletion alleviated hypertrophy in Ang II-pretreated Alox5-overexpressing cardiomyocytes. INTERPRETATION Overall, our study demonstrated that targeting Alox5 exerted a protective effect against cardiac remodeling and heart failure under hypertensive stimuli by disturbing LLPS of Runx2 and substantial reduction of EGFR transcription activation in cardiomyocytes. Our findings suggest that negative modulation of Alox5-Runx2 may provide a therapeutic approach against pathological cardiac remodeling and heart failure. FUNDING National Natural Science Foundation of China.
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Affiliation(s)
- Saiyang Xie
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan, China
| | - Mengya Chen
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan, China
| | - Wenxi Fang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan, China
| | - Shiqiang Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan, China
| | - Qingqing Wu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan, China
| | - Chen Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan, China
| | - Yun Xing
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan, China
| | - Wenke Shi
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan, China
| | - Man Xu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan, China
| | - Min Zhang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan, China
| | - Si Chen
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, China
| | - Xiaofeng Zeng
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, China
| | - Shasha Wang
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, China
| | - Wei Deng
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan, China,Department of Cardiology, The Fifth Affiliated Hospital of Xinjiang Medical University, Ürümqi, China,Corresponding author. Department of Cardiology, Renmin Hospital of Wuhan University, Jiefang Road 238, Wuhan 430060, China.
| | - Qizhu Tang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China,Hubei Key Laboratory of Metabolic and Chronic Diseases, Wuhan, China,Corresponding author. Department of Cardiology, Renmin Hospital of Wuhan University, Jiefang Road 238, Wuhan 430060, China.
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Barthelemy JC, Pichot V, Hupin D, Berger M, Celle S, Mouhli L, Bäck M, Lacour JR, Roche F. Targeting autonomic nervous system as a biomarker of well-ageing in the prevention of stroke. Front Aging Neurosci 2022; 14:969352. [PMID: 36185479 PMCID: PMC9521604 DOI: 10.3389/fnagi.2022.969352] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 08/25/2022] [Indexed: 11/13/2022] Open
Abstract
Stroke prediction is a key health issue for preventive medicine. Atrial fibrillation (AF) detection is well established and the importance of obstructive sleep apneas (OSA) has emerged in recent years. Although autonomic nervous system (ANS) appears strongly implicated in stroke occurrence, this factor is more rarely considered. However, the consequences of decreased parasympathetic activity explored in large cohort studies through measurement of ANS activity indicate that an ability to improve its activity level and equilibrium may prevent stroke. In support of these observations, a compensatory neurostimulation has already proved beneficial on endothelium function. The available data on stroke predictions from ANS is based on many long-term stroke cohorts. These data underline the need of repeated ANS evaluation for the general population, in a medical environment, and remotely by emerging telemedicine digital tools. This would help uncovering the reasons behind the ANS imbalance that would need to be medically adjusted to decrease the risk of stroke. This ANS unbalance help to draw attention on clinical or non-clinical evidence, disclosing the vascular risk, as ANS activity integrates the cumulated risk from many factors of which most are modifiable, such as metabolic inadaptation in diabetes and obesity, sleep ventilatory disorders, hypertension, inflammation, and lack of physical activity. Treating these factors may determine ANS recovery through the appropriate management of these conditions. Natural aging also decreases ANS activity. ANS recovery will decrease global circulating inflammation, which will reinforce endothelial function and thus protect the vessels and the associated organs. ANS is the whistle-blower of vascular risk and the actor of vascular health. Such as, ANS should be regularly checked to help draw attention on vascular risk and help follow the improvements in response to our interventions. While today prediction of stroke relies on classical cardiovascular risk factors, adding autonomic biomarkers as HRV parameters may significantly increase the prediction of stroke.
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Affiliation(s)
- Jean-Claude Barthelemy
- Physical Exercise and Clinical Physiology Department, CHU Nord, Saint-Étienne, France
- INSERM U1059 Santé Ingénierie Biologie, Université Jean Monnet, Saint-Étienne, France
- *Correspondence: Jean-Claude Barthelemy,
| | - Vincent Pichot
- Physical Exercise and Clinical Physiology Department, CHU Nord, Saint-Étienne, France
- INSERM U1059 Santé Ingénierie Biologie, Université Jean Monnet, Saint-Étienne, France
| | - David Hupin
- Physical Exercise and Clinical Physiology Department, CHU Nord, Saint-Étienne, France
- INSERM U1059 Santé Ingénierie Biologie, Université Jean Monnet, Saint-Étienne, France
- Section of Translational Cardiology, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
| | - Mathieu Berger
- Physical Exercise and Clinical Physiology Department, CHU Nord, Saint-Étienne, France
- INSERM U1059 Santé Ingénierie Biologie, Université Jean Monnet, Saint-Étienne, France
- Centre d’Investigation et de Recherche sur le Sommeil, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Sébastien Celle
- Physical Exercise and Clinical Physiology Department, CHU Nord, Saint-Étienne, France
- INSERM U1059 Santé Ingénierie Biologie, Université Jean Monnet, Saint-Étienne, France
| | - Lytissia Mouhli
- Physical Exercise and Clinical Physiology Department, CHU Nord, Saint-Étienne, France
- Département de Neurologie, Hôpital Universitaire Nord, Saint-Étienne, France
| | - Magnus Bäck
- Section of Translational Cardiology, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
- Department of Cardiology, Karolinska University Hospital, Stockholm, Sweden
| | - Jean-René Lacour
- Laboratoire de Physiologie, Faculté de Médecine Lyon-Sud, Oullins, France
| | - Frederic Roche
- Physical Exercise and Clinical Physiology Department, CHU Nord, Saint-Étienne, France
- INSERM U1059 Santé Ingénierie Biologie, Université Jean Monnet, Saint-Étienne, France
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Harada E, Sugino K, Aimoto M, Takahara A. Effects of the L/N-Type Ca 2+ Channel Blocker Cilnidipine on the Cardiac Histological Remodelling and Inducibility of Atrial Fibrillation in High-Salt-Fed Rats. Biol Pharm Bull 2021; 44:707-713. [PMID: 33642455 DOI: 10.1248/bpb.b21-00024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
High salt intake has been shown to induce hypertrophy and fibrosis in the atria and ventricles, which could result in the development of atrial fibrillation (AF). Whereas the development of AF is suggested to be prevented by renin-angiotensin system (RAS) inhibitors, recent findings have indicated that this prevention is closely associated with their antihypertensive effects. In this study, we investigated whether the L/N-type Ca2+ channel blocker cilnidipine counteracts salt-induced atrial and ventricular remodelling and the inducibility of AF. Cilnidipine was orally administered to Dahl salt-sensitive rats fed with an 8% NaCl diet at 10 mg/kg for 5 weeks, and then electrophysiological evaluation and histological analyses were performed. The effects were compared with those of the L-type Ca2+ channel blocker amlodipine at 3 mg/kg. Following the intake of the 8% NaCl diet, the blood pressure (BP) increased, and fibrosis was induced in the atria and ventricles. Cilnidipine decreased BP, and the extent of the decrease in the cilnidipine group was similar to those in the amlodipine group. Cilnidipine produced a greater decrease in the fibrotic area in the atria and ventricles than amlodipine. The cilnidipine group shortened the AF duration from 7.43 ± 3.16 to 2.95 ± 1.73 s, which had been increased by NaCl intake. Plasma noradrenaline levels in the cilnidipine group were lower than those in the amlodipine group. Thus, the suppressive effects of cilnidipine on the salt-induced atrial and ventricular remodelling, fibrosis, and AF sustainability might be closely associated with its N-type Ca2+ channel-blocking actions.
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Affiliation(s)
- Eri Harada
- Ajinomoto Pharmaceuticals Co., Ltd
- Ajinomoto Co., Inc
| | - Kazumi Sugino
- Ajinomoto Pharmaceuticals Co., Ltd
- Ajinomoto Co., Inc
| | - Megumi Aimoto
- Department of Pharmacology and Therapeutics, Faculty of Pharmaceutical Sciences, Toho University
| | - Akira Takahara
- Department of Pharmacology and Therapeutics, Faculty of Pharmaceutical Sciences, Toho University
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Nattel S, Sager PT, Hüser J, Heijman J, Dobrev D. Why translation from basic discoveries to clinical applications is so difficult for atrial fibrillation and possible approaches to improving it. Cardiovasc Res 2021; 117:1616-1631. [PMID: 33769493 DOI: 10.1093/cvr/cvab093] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 02/05/2021] [Indexed: 02/06/2023] Open
Abstract
Atrial fibrillation (AF) is the most common sustained clinical arrhythmia, with a lifetime incidence of up to 37%, and is a major contributor to population morbidity and mortality. Important components of AF management include control of cardiac rhythm, rate, and thromboembolic risk. In this narrative review article, we focus on rhythm-control therapy. The available therapies for cardiac rhythm control include antiarrhythmic drugs and catheter-based ablation procedures; both of these are presently neither optimally effective nor safe. In order to develop improved treatment options, it is necessary to use preclinical models, both to identify novel mechanism-based therapeutic targets and to test the effects of putative therapies before initiating clinical trials. Extensive research over the past 30 years has provided many insights into AF mechanisms that can be used to design new rhythm-maintenance approaches. However, it has proven very difficult to translate these mechanistic discoveries into clinically applicable safe and effective new therapies. The aim of this article is to explore the challenges that underlie this phenomenon. We begin by considering the basic problem of AF, including its clinical importance, the current therapeutic landscape, the drug development pipeline, and the notion of upstream therapy. We then discuss the currently available preclinical models of AF and their limitations, and move on to regulatory hurdles and considerations and then review industry concerns and strategies. Finally, we evaluate potential paths forward, attempting to derive insights from the developmental history of currently used approaches and suggesting possible paths for the future. While the introduction of successful conceptually innovative new treatments for AF control is proving extremely difficult, one significant breakthrough is likely to revolutionize both AF management and the therapeutic development landscape.
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Affiliation(s)
- Stanley Nattel
- Department of Medicine, Montreal Heart Institute and Université de Montréal, Montreal, Canada.,Department of Pharmacology and Therapeutics, McGill University, Montreal, Canada.,IHU LIYRC Institute, Bordeaux, France.,Faculty of Medicine, Institute of Pharmacology, West German Heart and Vascular Center, University Duisburg-Essen, Hufelandstrasse 55, 45122 Essen, Germany
| | - Philip T Sager
- Department of Medicine, Cardiovascuar Research Institute, Stanford University, Palo Alto, CA, USA
| | - Jörg Hüser
- Research and Development, Preclinical Research, Cardiovascular Diseases, Bayer AG, Wuppertal, Germany
| | - Jordi Heijman
- Faculty of Medicine, Institute of Pharmacology, West German Heart and Vascular Center, University Duisburg-Essen, Hufelandstrasse 55, 45122 Essen, Germany.,Department of Cardiology, Cardiovascular Research Institute Maastricht, Faculty of Health, Medicine, and Life Sciences, Maastricht University, Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
| | - Dobromir Dobrev
- Department of Medicine, Montreal Heart Institute and Université de Montréal, Montreal, Canada.,Faculty of Medicine, Institute of Pharmacology, West German Heart and Vascular Center, University Duisburg-Essen, Hufelandstrasse 55, 45122 Essen, Germany.,Department of Molecular Physiology & Biophysics, Baylor College of Medicine, Houston, USA
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6
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Pfenniger A, Geist GE, Arora R. Autonomic Dysfunction and Neurohormonal Disorders in Atrial Fibrillation. Card Electrophysiol Clin 2021; 13:183-190. [PMID: 33516396 DOI: 10.1016/j.ccep.2020.11.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Atrial fibrillation (AF) is the most commonly diagnosed arrhythmia and eludes an efficacious cure despite an increasing prevalence and a significant association with morbidity and mortality. In addition to an array of clinical sequelae, the origins and propagation of AF are multifactorial. In recent years, the contribution from the autonomic nervous system has been an area of particular interest. This review highlights the relevant physiology of autonomic and neurohormonal contributions to AF origin and maintenance, the current state of the literature on targeted therapies, and the path forward for clinical interventions.
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Affiliation(s)
- Anna Pfenniger
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University Feinberg School of Medicine, 251 East Huron, Feinberg 8-503, Chicago, IL 60611, USA
| | - Gail Elizabeth Geist
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University Feinberg School of Medicine, 251 East Huron, Feinberg 8-503, Chicago, IL 60611, USA
| | - Rishi Arora
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University Feinberg School of Medicine, 251 East Huron, Feinberg 8-503, Chicago, IL 60611, USA.
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Wong CK, Tse HF. New methodological approaches to atrial fibrillation drug discovery. Expert Opin Drug Discov 2020; 16:319-329. [PMID: 33016154 DOI: 10.1080/17460441.2021.1826432] [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: 10/23/2022]
Abstract
INTRODUCTION Atrial fibrillation (AF) is the most common arrhythmia encountered in clinical practice and rhythm control using pharmacological agents is required in selected patients. Nonetheless, current medication is only modestly efficacious and associated with significant cardiovascular and systemic side effects. More efficacious and safe drugs are required to restore and maintain sinus rhythm in patients with AF. AREAS COVERED In this review, several potential drug targets are discussed including trans-membrane ion channels, intracellular calcium signaling, gap junction signaling, atrial inflammation and fibrosis, and the autonomic nervous system. New tools and methodologies for AF drug development are also reviewed including gene therapy, genome-guided therapy, stem cell technologies, tissue engineering, and optogenetics. EXPERT OPINION In recent decades, there has been an increased understanding of the underlying pathogenesis of AF. As a result, there is a gradual paradigm shift from focusing only on trans-membrane ion channel inhibition to developing therapeutic agents that target other underlying arrhythmogenic mechanisms. Gene therapy and genome-guided therapy are emerging as novel treatments for AF with some success in proof-of-concept studies. Recent advances in stem cell technology, tissue engineering, and optogenetics may allow more effective in-vitro drug screening than conventional methodologies.
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Affiliation(s)
- Chun-Ka Wong
- Cardiology Division, Department of Medicine, The University of Hong Kong, Hong Kong, SAR China
| | - Hung-Fat Tse
- Cardiology Division, Department of Medicine, The University of Hong Kong, Hong Kong, SAR China
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8
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Pei Z, Shi M, Guo J, Shen B. Heart Rate Variability Based Prediction of Personalized Drug Therapeutic Response: The Present Status and the Perspectives. Curr Top Med Chem 2020; 20:1640-1650. [PMID: 32493191 DOI: 10.2174/1568026620666200603105002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 02/28/2020] [Accepted: 03/02/2020] [Indexed: 02/08/2023]
Abstract
Heart rate variability (HRV) signals are reported to be associated with the personalized drug
response in many diseases such as major depressive disorder, epilepsy, chronic pain, hypertension, etc.
But the relationships between HRV signals and the personalized drug response in different diseases and
patients are complex and remain unclear. With the fast development of modern smart sensor technologies
and the popularization of big data paradigm, more and more data on the HRV and drug response
will be available, it then provides great opportunities to build models for predicting the association of
the HRV with personalized drug response precisely. We here review the present status of the HRV data
resources and models for predicting and evaluating of personalized drug responses in different diseases.
The future perspectives on the integration of knowledge and personalized data at different levels such as,
genomics, physiological signals, etc. for the application of HRV signals to the precision prediction of
drug therapy and their response will be provided.
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Affiliation(s)
- Zejun Pei
- Nanjing Medical University Affiliated Wuxi Second Hospital, No. 68,Zhongshan road, Wuxi, Jiangsu, China
| | - Manhong Shi
- Centre for Systems Biology, Soochow University, Suzhou 215006, China
| | - Junping Guo
- The Affiliated Yixing Hospital of Jiangsu University, No. 75, Tongzhenguan Road, Yixing, Jiangsu, China
| | - Bairong Shen
- Institutes for Systems Genetics, West China Hospital, Sichuan University, Chengdu, China
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Screening and functional analysis of differentially expressed lncRNAs in rapid atrial pacing dog atrial tissue. J Interv Card Electrophysiol 2020; 61:375-384. [PMID: 32671717 DOI: 10.1007/s10840-020-00824-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 07/05/2020] [Indexed: 10/23/2022]
Abstract
PURPOSE Atrial fibrillation (AF) is one of the most commonly sustained arrhythmias in clinical practice. Long non-coding RNAs (lncRNAs) are gene regulatory elements involved in the development of several diseases. We aimed to explore the expression characteristics of lncRNAs associated with AF. METHODS We randomly assigned 12 adult healthy mongrel dogs into a control group and an atrial pacing group. Atrial pacing stimulation was performed at a high frequency of 500 beats per min for 14 consecutive days in the atrial pacing group. HE and Masson staining were used to detect rapid atrial pacing induced atrial fibrosis. Total RNA extraction was performed on dog atrial tissues and was used for high-throughput sequencing of lncRNAs. RESULTS A total of 10,310 lncRNAs were detected, and 33 differentially expressed lncRNAs were screened. Among them, 19 lncRNAs were upregulated in the atrial pacing group, and 14 lncRNAs were downregulated. Gene Ontology (GO) classification, Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis, and interaction networks showed that AF-related lncRNAs participate in the regulation of AF in diverse biological processes, cellular components, molecular functions, signaling pathways, and complex interactions with miRNAs and mRNAs. Five differentially expressed lncRNAs were selected for RT-PCR validation, and the verification results were consistent with the results of lncRNA sequencing. CONCLUSIONS In summary, our study enhances our understanding of the biological functions of AF-related lncRNAs by screening and analyzing differentially expressed lncRNAs, and the results help to enrich the theoretical basis for the treatment of atrial fibrillation.
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Pfenniger A, Arora R. Beyond beta-blockers: targeting the sympathetic nervous system for the prevention and treatment of atrial fibrillation. Cardiovasc Res 2020; 115:1940-1942. [PMID: 31687741 DOI: 10.1093/cvr/cvz254] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Anna Pfenniger
- Feinberg Cardiovascular Research and Renal Institute, Northwestern University-Feinberg School of Medicine, 251 East Huron St, Feinberg 8-503, Chicago, IL, USA
| | - Rishi Arora
- Feinberg Cardiovascular Research and Renal Institute, Northwestern University-Feinberg School of Medicine, 251 East Huron St, Feinberg 8-503, Chicago, IL, USA
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Does cilnidipine, a dual L- and N-type Ca 2+ blocker, shows promise in drug repositioning approaches? Hypertens Res 2020; 43:726-728. [PMID: 32398796 DOI: 10.1038/s41440-020-0452-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 03/30/2020] [Accepted: 03/31/2020] [Indexed: 11/09/2022]
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Li J, Li B, Bai F, Ma Y, Liu N, Liu Y, Wang Y, Liu Q. Metformin therapy confers cardioprotection against the remodeling of gap junction in tachycardia-induced atrial fibrillation dog model. Life Sci 2020; 254:117759. [PMID: 32389830 DOI: 10.1016/j.lfs.2020.117759] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 04/23/2020] [Accepted: 05/04/2020] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Metformin, introduced in 1957, is widely used as an anti-diabetic drug and has considerable benefits in cardiovascular disease reportedly, dependent or independent on its glucose-lowering effects. Aim of this study was to investigate the effect of metformin on gap junction and the inducibility of AF. METHODS Beagle dogs were subjected to acute or chronic pacing at right atrial appendage by a pacemaker to develop an AF model and electrophysiological parameters were measured. In vitro study, a cell fast pacing model was developed by CardioExcyte 96. We performed Western blot, histology immunohistochemical staining and electron microscopy to detect the effect of metformin. RESULTS In chronic AF model, the inducibility and duration of AF increased obviously after pacing for 6 weeks compared with sham-operated group (Inducibility, 3.33 ± 5.77 vs. 85.33 ± 7.89%, P<0.0001; Duration, 0.8 ± 0.84 vs. 11 ± 2.67 ms, P<0.0001). Effective refractory periods (ERP) decreased at left and right left atrium and atrial appendages compared with sham-operated group (123.95 ± 6.57 vs. 89.96 ± 7.39 ms P<0.0001). Metformin attenuated the pacing-induced increase in EPR (89.96 ± 7.39 vs. 105.83 ± 7.45 ms, P<0.05), AF inducibility and AF duration (Inducibility, 85.33 ± 7.89 vs. 64.17 ± 7.36%, Duration, 11 ± 2.67 vs. 8.62 ± 1.15 ms, P<0.05). The expression of Cx43 shows a significant downregulation(about 38%, P<0.001) after chronic pacing and treating with metformin could alleviate this decrease(P<0.01). However, the effect of metformin in acute pacing model is limited. The immunohistochemical staining of cardiac tissue also shown that there is more lateralized Cx43 under pacing condition (87.67 ± 2.52 vs. 60.8 ± 9.13%, P<0.005). These pacing-induced lateralize Cx43 could be alleviated by the metformin (48.4 ± 8.62 vs. 60.8 ± 9.13%, P<0.05). Additionally, metformin could affect the interactions of ZO-1 with p-Src/Cx43 via decrease the abnormal cAMP level after pacing (84.04 ± 4.58 vs. 69.34 ± 4.5 nmol/L, P<0.001). CONCLUSIONS Metformin could alleviate the vulnerability of AF and attenuate the downregulation of gap junction under pacing condition via AMPK pathway and decreasing the P-Src level.
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Affiliation(s)
- Jiayi Li
- Department of Cardiology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Biao Li
- Department of Cardiology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Fan Bai
- Department of Cardiology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yinxu Ma
- Department of Cardiology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Na Liu
- Department of Cardiology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yaozhong Liu
- Department of Cardiology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yibo Wang
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qiming Liu
- Department of Cardiology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China.
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