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Shaaban A, Scott SS, Greenlee AN, Binda N, Noor A, Webb A, Guo S, Purdy N, Pennza N, Habib A, Mohammad SJ, Smith SA. Atrial fibrillation in cancer, anticancer therapies, and underlying mechanisms. J Mol Cell Cardiol 2024; 194:118-132. [PMID: 38897563 DOI: 10.1016/j.yjmcc.2024.06.005] [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: 11/02/2023] [Revised: 06/03/2024] [Accepted: 06/04/2024] [Indexed: 06/21/2024]
Abstract
Atrial fibrillation (AF) is a common arrhythmic complication in cancer patients and can be exacerbated by traditional cytotoxic and targeted anticancer therapies. Increased incidence of AF in cancer patients is independent of confounding factors, including preexisting myocardial arrhythmogenic substrates, type of cancer, or cancer stage. Mechanistically, AF is characterized by fast unsynchronized atrial contractions with rapid ventricular response, which impairs ventricular filling and results in various symptoms such as fatigue, chest pain, and shortness of breath. Due to increased blood stasis, a consequence of both cancer and AF, concern for stroke increases in this patient population. To compound matters, cardiotoxic anticancer therapies themselves promote AF; thereby exacerbating AF morbidity and mortality in cancer patients. In this review, we examine the relationship between AF, cancer, and cardiotoxic anticancer therapies with a focus on the shared molecular and electrophysiological mechanisms linking these disease processes. We also explore the potential role of sodium-glucose co-transporter 2 inhibitors (SGLT2i) in the management of anticancer-therapy-induced AF.
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Affiliation(s)
- Adnan Shaaban
- The Ohio State University College of Medicine, Department of Internal Medicine, Columbus, OH 43210, USA
| | - Shane S Scott
- Medical Scientist Training Program, Biomedical Sciences Graduate Program, The Ohio State University, Columbus, OH, USA; Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University College of Medicine, Columbus, OH 43210, USA; Bob and Corrinne Frick Center for Heart Failure and Arrhythmia Research, The Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Ashley N Greenlee
- Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University College of Medicine, Columbus, OH 43210, USA; Bob and Corrinne Frick Center for Heart Failure and Arrhythmia Research, The Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Nkongho Binda
- The Ohio State University College of Medicine, Department of Internal Medicine, Columbus, OH 43210, USA
| | - Ali Noor
- Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Averie Webb
- Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University College of Medicine, Columbus, OH 43210, USA
| | - Shuliang Guo
- Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University College of Medicine, Columbus, OH 43210, USA; Bob and Corrinne Frick Center for Heart Failure and Arrhythmia Research, The Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Najhee Purdy
- Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University College of Medicine, Columbus, OH 43210, USA; Bob and Corrinne Frick Center for Heart Failure and Arrhythmia Research, The Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Nicholas Pennza
- Ohio University Heritage College of Osteopathic Medicine, Athens, OH 45701, USA
| | - Alma Habib
- The Ohio State University College of Medicine, Department of Internal Medicine, Division of Hematology, Columbus, OH 43210, USA
| | - Somayya J Mohammad
- Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University College of Medicine, Columbus, OH 43210, USA; Bob and Corrinne Frick Center for Heart Failure and Arrhythmia Research, The Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Sakima A Smith
- The Ohio State University College of Medicine, Department of Internal Medicine, Columbus, OH 43210, USA; Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University College of Medicine, Columbus, OH 43210, USA; Bob and Corrinne Frick Center for Heart Failure and Arrhythmia Research, The Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA.
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Hassanabad AF, Turnbull J, Hall C, Schoettler FI, Hassanabad MF, Love E, de Chantal E, Dundas JA, Isidoro CA, Kim S, Morrish R, McLellan B, Zarzycki AN, Teng G, Belke DD, Har B, Fedak PW, Deniset JF. Acute Pericardial Post-Ischemic Inflammatory Responses: Characterization Using A Preclinical Porcine Model. Cardiovasc Pathol 2024:107686. [PMID: 39168420 DOI: 10.1016/j.carpath.2024.107686] [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: 06/25/2024] [Revised: 08/09/2024] [Accepted: 08/10/2024] [Indexed: 08/23/2024] Open
Abstract
BACKGROUND Pericardial fluid (PF) contains cells, proteins, and inflammatory mediators, such as cytokines, chemokines, growth factors, and matrix metalloproteinases. To date, we lack an adequate understanding of the inflammatory response that acute injury elicits in the pericardial space. OBJECTIVE To characterize the inflammatory profile in the pericardial space acutely after ischemia/reperfusion. METHODS Pigs were used to establish a percutaneous ischemia/reperfusion injury model. PF was removed from pigs at different time points post-anesthesia or post-ischemia/reperfusion. Flow cytometry was used to characterize the immune cell composition of PF, while multiplex analysis was performed on the acellular portion of PF to determine the concentration of inflammatory mediators. There was a minimum of 3 pigs per group. RESULTS While native PF mainly comprises macrophages, we show that neutrophils are the predominant inflammatory cell type in the pericardial space after injury. The combination of acute ischemia/reperfusion (IR) and repeatedly accessing the pericardial space significantly increases the concentration of interleukin-1 beta (IL-1β) and interleukin-1 receptor antagonist (IL-1ra). IR significantly increases the pericardial concentration of TGFβ1 but not TGFβ2. We observed that repeated manipulation of the pericardial space can also drive a robust pro-inflammatory response, resulting in a significant increase in immune cells and the accumulation of potent inflammatory mediators in the pericardial space. CONCLUSION In the present study, we show that both IR and surgical manipulation can drive robust inflammatory processes in the pericardial space, consisting of an increase in inflammatory cytokines and alteration in the number and composition of immune cells.
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Affiliation(s)
- Ali Fatehi Hassanabad
- Section of Cardiac Surgery, Department of Cardiac Sciences, Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Jeannine Turnbull
- Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Cheryl Hall
- Section of Cardiac Surgery, Department of Cardiac Sciences, Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Friederike I Schoettler
- Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Department of Cardiac Surgery, Medical Faculty, University Hospital Düsseldorf, Heinrich-Heine-University, Düsseldorf, Germany; Department of Cardiac Surgery, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | | | - Eleanor Love
- Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Emilie de Chantal
- Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Jameson A Dundas
- Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Carmina A Isidoro
- Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Sun Kim
- Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Rosalie Morrish
- Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Barb McLellan
- Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Anna N Zarzycki
- Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Department of Cardiac Surgery, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Guoqi Teng
- Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Darrell D Belke
- Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Bryan Har
- Section of Cardiology, Department of Cardiac Sciences, Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Paul Wm Fedak
- Section of Cardiac Surgery, Department of Cardiac Sciences, Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Justin F Deniset
- Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
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Fundere A, Rose A, Xiong F, Muthukumarasamy KM, Altuntas Y, Dasari H, Villeneuve L, Sirois MG, Tanguay JF, Tardif JC, Hiram R. Daily exposure to chlordecone, an organochlorine pesticide, increases cardiac fibrosis and atrial fibrillation vulnerability. JOURNAL OF HAZARDOUS MATERIALS 2024; 478:135533. [PMID: 39173376 DOI: 10.1016/j.jhazmat.2024.135533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 08/13/2024] [Accepted: 08/13/2024] [Indexed: 08/24/2024]
Abstract
CONTEXT Chlordecone (CLD) is a carcinogenic organochlorine pesticide. CLD was shown to disturb the activity of cardiac Na+-K+-ATPase and Ca2+-Mg2+-ATPase. Conditions affecting these transmembrane pumps are often associated with cardiac arrhythmias (CA). However, little is known about the role of CLD on atrial fibrillation (AF) incidence, the most common type of CA. HYPOTHESES 1) Daily ingestion of CLD induces arrhythmogenic cardiac remodeling. 2) A phase of CLD withdrawal can reduce CLD-induced AF susceptibility. METHODS Adult male Wistar rats (250 g-275 g) ingested daily-doses of CLD (0 μg/L, 0.1 μg/L, or 1 μg/L) diluted in their quotidian water for 4 weeks. From day (D)29 to D56, all rats received CLD-free water. Vulnerability to AF and cardiac function were evaluated at D28 and D56 by electrophysiological study, echocardiography, and optical-mapping. Levels of genes and proteins related to inflammation, fibrosis, and senescence were quantified by qPCR and immunoassays. RESULTS Twenty-eight days of CLD exposure were associated with significantly increased AF vulnerability compared to CLD-free rats. Contamination with 1 μg/L CLD significantly reduced atrial conduction velocity (ERP, APD). CLD-weaning normalized food consumption and weight intake. However, after the CLD-withdrawal period of 28 days, AF inducibility, atrial inflammation (IL6, IL1β), and atrial fibrosis (Masson's trichrome staining) remained significantly higher in rats exposed to 1 μg/L CLD compared to 0 μg/L. CONCLUSIONS Prolonged CLD ingestion provokes atrial conduction slowing and increased risk of AF. Although CLD-weaning, some persistent damages occurred in the atrium like atrial fibrosis and atrial senescence signals, which are accompanied by atrial inflammation and arrhythmogenicity.
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Affiliation(s)
- Alexia Fundere
- Faculty of Pharmacy, University of Montpellier, Montpellier, France; Université des Antilles, Guadeloupe, Pointe-à-Pitre, France; Montreal Heart Institute, Faculty of Medicine, University of Montreal, Montreal, Canada
| | - Andrew Rose
- Department of Pharmacology and Therapeutics, McGill University, Canada
| | - Feng Xiong
- Department of Pharmacology and Therapeutics, McGill University, Canada; Montreal Heart Institute, Faculty of Medicine, University of Montreal, Montreal, Canada
| | - Kalai Mangai Muthukumarasamy
- Department of Pharmacology and Therapeutics, McGill University, Canada; Montreal Heart Institute, Faculty of Medicine, University of Montreal, Montreal, Canada
| | - Yasemin Altuntas
- Montreal Heart Institute, Faculty of Medicine, University of Montreal, Montreal, Canada
| | - Harika Dasari
- Montreal Heart Institute, Faculty of Medicine, University of Montreal, Montreal, Canada
| | - Louis Villeneuve
- Montreal Heart Institute, Faculty of Medicine, University of Montreal, Montreal, Canada
| | - Martin G Sirois
- Montreal Heart Institute, Faculty of Medicine, University of Montreal, Montreal, Canada
| | - Jean-François Tanguay
- Montreal Heart Institute, Faculty of Medicine, University of Montreal, Montreal, Canada
| | - Jean-Claude Tardif
- Montreal Heart Institute, Faculty of Medicine, University of Montreal, Montreal, Canada
| | - Roddy Hiram
- Montreal Heart Institute, Faculty of Medicine, University of Montreal, Montreal, Canada.
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Momin N, Pabel S, Rudra A, Kumowski N, Lee IH, Mentkowski K, Yamazoe M, Stengel L, Muse CG, Seung H, Paccalet A, Gonzalez-Correa C, Jacobs EB, Grune J, Schloss MJ, Sossalla S, Wojtkiewicz G, Iwamoto Y, McMullen P, Mitchell RN, Ellinor PT, Anderson DG, Naxerova K, Nahrendorf M, Hulsmans M. Therapeutic Spp1 silencing in TREM2 + cardiac macrophages suppresses atrial fibrillation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.08.10.607461. [PMID: 39149373 PMCID: PMC11326243 DOI: 10.1101/2024.08.10.607461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 08/17/2024]
Abstract
Atrial fibrillation (AFib) and the risk of its lethal complications are propelled by fibrosis, which induces electrical heterogeneity and gives rise to reentry circuits. Atrial TREM2+ macrophages secrete osteopontin (encoded by Spp1), a matricellular signaling protein that engenders fibrosis and AFib. Here we show that silencing Spp1 in TREM2+ cardiac macrophages with an antibody-siRNA conjugate reduces atrial fibrosis and suppresses AFib in mice, thus offering a new immunotherapy for the most common arrhythmia.
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Affiliation(s)
- Noor Momin
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
- Center for Precision Engineering for Health, University of Pennsylvania, Philadelphia, PA, USA
| | - Steffen Pabel
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Gordon Center for Medical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Internal Medicine II, University Medical Center Regensburg, Regensburg, Germany
| | - Arnab Rudra
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children’s Hospital, Boston, MA, USA
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA, USA
- Harvard–MIT Division of Health Science and Technology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Nina Kumowski
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Gordon Center for Medical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - I-Hsiu Lee
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Gordon Center for Medical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Blavatnik Institute, Genetics, Harvard Medical School, Boston, MA, USA
| | - Kyle Mentkowski
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Gordon Center for Medical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Masahiro Yamazoe
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Laura Stengel
- Department of Internal Medicine II, University Medical Center Regensburg, Regensburg, Germany
| | - Charlotte G. Muse
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Gordon Center for Medical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Hana Seung
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Gordon Center for Medical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Alexandre Paccalet
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Gordon Center for Medical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Cristina Gonzalez-Correa
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Emily B. Jacobs
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
- Center for Precision Engineering for Health, University of Pennsylvania, Philadelphia, PA, USA
| | - Jana Grune
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Maximilian J. Schloss
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Samuel Sossalla
- Department of Cardiology, University Hospital Giessen, Kerckhoff Clinic Bad Nauheim, and DZHK, Partner site RhineMain, Germany
| | - Gregory Wojtkiewicz
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Yoshiko Iwamoto
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Patrick McMullen
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children’s Hospital, Boston, MA, USA
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA, USA
- Harvard–MIT Division of Health Science and Technology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Richard N. Mitchell
- Department of Pathology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Patrick T. Ellinor
- Cardiovascular Research Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Cardiovascular Disease Initiative, The Broad Institute of MIT and Harvard University, Cambridge, MA, USA
| | - Daniel G. Anderson
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children’s Hospital, Boston, MA, USA
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA, USA
- Harvard–MIT Division of Health Science and Technology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Kamila Naxerova
- Blavatnik Institute, Genetics, Harvard Medical School, Boston, MA, USA
| | - Matthias Nahrendorf
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Gordon Center for Medical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Cardiovascular Research Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Internal Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Maarten Hulsmans
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
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Liu CH, Wen ZH, Huo YN, Lin CY, Yang HY, Tsai CS. Piscidin-1 regulates lipopolysaccharide-induced intracellular calcium, sodium dysregulation, and oxidative stress in atrial cardiomyocytes. Eur J Pharmacol 2024; 976:176695. [PMID: 38821161 DOI: 10.1016/j.ejphar.2024.176695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 05/27/2024] [Accepted: 05/28/2024] [Indexed: 06/02/2024]
Abstract
Lipopolysaccharide (LPS) triggers an inflammatory response, causing impairment of cardiomyocyte Ca2+ and Na + regulation. This study aimed to determine whether piscidin-1 (PCD-1), an antimicrobial peptide, improves intracellular Ca2+ and Na + regulation in LPS-challenged atrial cardiomyocytes. Rabbit atrial cardiomyocytes were enzymatically isolated from the left atria. Patch-clamp ionic current recording, intracellular Ca2+ monitoring using Fluo-3, and detection of cytosolic reactive oxygen species production were conducted in control, LPS-challenged, and LPS + PCD-1-treated atrial cardiomyocytes. LPS-challenged cardiomyocytes showed shortened durations of action potential at their 50% and 90% repolarizations, which was reversed by PCD-1 treatment. LPS-challenged cardiomyocytes showed decreased L-type Ca2+ channel currents and larger Na+/Ca2+ exchange currents compared to controls. While LPS did not affect the sodium current, an enhanced late sodium current with increased cytosolic Na+ levels was observed in LPS-challenged cardiomyocytes. These LPS-induced alterations in the ionic current were ameliorated by PCD-1 treatment. LPS-challenged cardiomyocytes displayed lowered Ca2+ transient amplitudes and decreased Ca2+ stores and greater Ca2+ leakage in the sarcoplasmic reticulum compared to the control. Exposure to PCD-1 attenuated LPS-induced alterations in Ca2+ regulation. The elevated reactive oxygen species levels observed in LPS-challenged myocytes were suppressed after PCD-1 treatment. The protein levels of NF-κB and IL-6 increased following LPS treatment. Decreased sarcoplasmic/endoplasmic reticulum Ca2+ ATPase 2a protein levels were observed in LPS-challenged cardiomyocytes. PCD-1 modulates LPS-induced alterations in inflammatory and Ca2+ regulatory protein levels. Our results suggest that PCD-1 modulates LPS-induced alterations in intracellular Ca2+ and Na + homeostasis, reactive oxygen species production, and the NF-κB inflammatory pathway in atrial cardiomyocytes.
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Affiliation(s)
- Ching-Han Liu
- Department of Marine Biotechnology and Resources, National Sun Yat-Sen University, Kaohsiung, 804201, Taiwan; Division of Cardiology, Department of Internal Medicine, Kaohsiung Armed Forces General Hospital, Kaohsiung, 80284, Taiwan
| | - Zhi-Hong Wen
- Department of Marine Biotechnology and Resources, National Sun Yat-Sen University, Kaohsiung, 804201, Taiwan; Institute of BioPharmaceutical Sciences, National Sun Yat-Sen University, Kaohsiung, 804201, Taiwan
| | - Yen-Nien Huo
- Division of Cardiovascular Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Chih-Yuan Lin
- Division of Cardiovascular Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan; Department of Biochemistry, National Defense Medical Center, Taipei, Taiwan
| | - Hsiang-Yu Yang
- Division of Cardiovascular Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan; Department of Biochemistry, National Defense Medical Center, Taipei, Taiwan.
| | - Chien-Sung Tsai
- Division of Cardiovascular Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan; Department and Graduate Institute of Pharmacology, National Defense Medical Center, Taipei, Taiwan
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Fender AC. Recent highlights from the International Journal of Cardiology Heart & Vasculature: Basic and translational research. IJC HEART & VASCULATURE 2024; 53:101452. [PMID: 39040628 PMCID: PMC11261868 DOI: 10.1016/j.ijcha.2024.101452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/24/2024]
Affiliation(s)
- Anke C. Fender
- Institute of Pharmacology, West German Heart and Vascular Center, University Duisburg-Essen, Germany
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Attia A, Hiram R. Colchicine for the prevention of atrial fibrillation: Why do some studies say 'yes', and others say 'no'? Int J Cardiol 2024; 408:132110. [PMID: 38729309 DOI: 10.1016/j.ijcard.2024.132110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Accepted: 04/29/2024] [Indexed: 05/12/2024]
Affiliation(s)
- Abir Attia
- Montreal Heart Institute, Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Quebec, Canada
| | - Roddy Hiram
- Montreal Heart Institute, Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Quebec, Canada.
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8
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Linz D. Recent highlights from the International Journal of Cardiology heart & Vasculature: Comprehensive management of atrial fibrillation. IJC HEART & VASCULATURE 2024; 53:101478. [PMID: 39175655 PMCID: PMC11339049 DOI: 10.1016/j.ijcha.2024.101478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/24/2024]
Affiliation(s)
- Dominik Linz
- Corresponding author at: Maastricht UMC+, Maastricht Heart+Vascular Center Universiteitssingel 50, 6229 ER Maastricht, the Netherlands.
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9
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Gao C, Wang W, Jia H. Fibroblast growth factor 5 as a target for atrial fibrillation treatment: Evidence from mendelian randomization. Int J Cardiol 2024; 413:132393. [PMID: 39059473 DOI: 10.1016/j.ijcard.2024.132393] [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: 06/15/2024] [Revised: 07/20/2024] [Accepted: 07/23/2024] [Indexed: 07/28/2024]
Abstract
BACKGROUND Previous studies have found that inflammatory proteins are involved in the pathogenesis of atrial fibrillation (AF). We used mendelian randomization to explore the potential pathogenic inflammatory proteins of AF. METHODS This study adopts a Mendelian randomization design to primarily assess causal associations using the Wald ratio and the inverse variance weighting method. It leverages protein quantitative trait locus (pQTL) data encompassing 91 types of inflammatory proteins from 14,824 participants of European ancestry. The primary analysis phase utilizes AF GWAS data from 55,106 participants, with an additional 237,690 participants included in the validation stage. Sensitivity analyses, including reverse causality analysis, Bayesian colocalization analysis, and phenotype scanning, were conducted. Finally, the study explores potential targeted drugs. RESULTS The findings highlight a causal link between 7 inflammatory proteins and AF, with 2 showing positive correlations and 5 exhibiting negative correlations. Among these, fibroblast growth factor 5 (FGF5) emerges as particularly robust in sensitivity analysis. Colocalization analysis indicates a shared genetic variation between FGF5 and AF, supporting its potential as a targeted therapy for AF. Importantly, this causal relationship remains unaffected by reverse causality. Furthermore, significant pleiotropic effects were observed in phenotype scanning. Finally, the causal association between FGF5 and AF was successfully replicated during the validation phase. CONCLUSION FGF5 may become an intervention target for AF targeted therapy.
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Affiliation(s)
- Chenxi Gao
- First hospital of Jilin University, Changchun, Jilin, China
| | - Wenyu Wang
- Dalian Friendship Hospital, Dalian, Liaoning, China
| | - He Jia
- First hospital of Jilin University, Changchun, Jilin, China.
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Duan HY, Barajas-Martinez H, Antzelevitch C, Hu D. The potential anti-arrhythmic effect of SGLT2 inhibitors. Cardiovasc Diabetol 2024; 23:252. [PMID: 39010053 PMCID: PMC11251349 DOI: 10.1186/s12933-024-02312-0] [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: 04/11/2024] [Accepted: 06/16/2024] [Indexed: 07/17/2024] Open
Abstract
Sodium-glucose cotransporter type 2 inhibitors (SGLT2i) were initially recommended as oral anti-diabetic drugs to treat type 2 diabetes (T2D), by inhibiting SGLT2 in proximal tubule and reduce renal reabsorption of sodium and glucose. While many clinical trials demonstrated the tremendous potential of SGLT2i for cardiovascular diseases. 2022 AHA/ACC/HFSA guideline first emphasized that SGLT2i were the only drug class that can cover the entire management of heart failure (HF) from prevention to treatment. Subsequently, the antiarrhythmic properties of SGLT2i have also attracted attention. Although there are currently no prospective studies specifically on the anti-arrhythmic effects of SGLT2i. We provide clues from clinical and fundamental researches to identify its antiarrhythmic effects, reviewing the evidences and mechanism for the SGLT2i antiarrhythmic effects and establishing a novel paradigm involving intracellular sodium, metabolism and autophagy to investigate the potential mechanisms of SGLT2i in mitigating arrhythmias.
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Affiliation(s)
- Hong-Yi Duan
- Department of Cardiology and Cardiovascular Research Institute, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, Hubei, China
- Hubei Key Laboratory of Cardiology, Wuhan, 430060, Hubei, China
| | - Hector Barajas-Martinez
- Lankenau Institute for Medical Research, Lankenau Heart Institute, Wynnewood, PA, 19096, USA
- Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, 19107, USA
| | - Charles Antzelevitch
- Lankenau Institute for Medical Research, Lankenau Heart Institute, Wynnewood, PA, 19096, USA
- Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, 19107, USA
| | - Dan Hu
- Department of Cardiology and Cardiovascular Research Institute, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan, 430060, Hubei, China.
- Hubei Key Laboratory of Cardiology, Wuhan, 430060, Hubei, China.
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11
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Heijman J, Dobrev D. Spexin Hormone Signaling and Atrial Fibrillation: The Knowns and Unknowns. Circulation 2024; 150:128-131. [PMID: 38976612 PMCID: PMC11232924 DOI: 10.1161/circulationaha.124.070016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Affiliation(s)
- Jordi Heijman
- Gottfried Schatz Research Center, Division of Medical Physics & Biophysics, Medical University of Graz, Graz, Austria
- Department of Cardiology, Maastricht University Medical Centre and Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, the Netherlands
| | - Dobromir Dobrev
- Institute of Pharmacology, West German Heart and Vascular Center, University of Duisburg-Essen, Essen, Germany
- Department of Integrative Physiology, Baylor College of Medicine, Houston, TX, USA
- Departments of Medicine and Research Center, Montreal Heart Institute and Université de Montréal, Montréal, Canada
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12
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Wen Y, Yang H, Hong Y. Transcriptomic Approaches to Cardiomyocyte-Biomaterial Interactions: A Review. ACS Biomater Sci Eng 2024; 10:4175-4194. [PMID: 38934720 DOI: 10.1021/acsbiomaterials.4c00303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
Biomaterials, essential for supporting, enhancing, and repairing damaged tissues, play a critical role in various medical applications. This Review focuses on the interaction of biomaterials and cardiomyocytes, emphasizing the unique significance of transcriptomic approaches in understanding their interactions, which are pivotal in cardiac bioengineering and regenerative medicine. Transcriptomic approaches serve as powerful tools to investigate how cardiomyocytes respond to biomaterials, shedding light on the gene expression patterns, regulatory pathways, and cellular processes involved in these interactions. Emerging technologies such as bulk RNA-seq, single-cell RNA-seq, single-nucleus RNA-seq, and spatial transcriptomics offer promising avenues for more precise and in-depth investigations. Longitudinal studies, pathway analyses, and machine learning techniques further improve the ability to explore the complex regulatory mechanisms involved. This review also discusses the challenges and opportunities of utilizing transcriptomic techniques in cardiomyocyte-biomaterial research. Although there are ongoing challenges such as costs, cell size limitation, sample differences, and complex analytical process, there exist exciting prospects in comprehensive gene expression analyses, biomaterial design, cardiac disease treatment, and drug testing. These multimodal methodologies have the capacity to deepen our understanding of the intricate interaction network between cardiomyocytes and biomaterials, potentially revolutionizing cardiac research with the aim of promoting heart health, and they are also promising for studying interactions between biomaterials and other cell types.
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Affiliation(s)
- Yufeng Wen
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Huaxiao Yang
- Department of Biomedical Engineering, University of North Texas, Denton, Texas 76207, United States
| | - Yi Hong
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76019, United States
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13
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Murphy MB, Yang Z, Subati T, Farber-Eger E, Kim K, Blackwell DJ, Fleming MR, Stark JM, Van Amburg JC, Woodall KK, Van Beusecum JP, Agrawal V, Smart CD, Pitzer A, Atkinson JB, Fogo AB, Bastarache JA, Kirabo A, Wells QS, Madhur MS, Barnett JV, Murray KT. LNK/SH2B3 loss of function increases susceptibility to murine and human atrial fibrillation. Cardiovasc Res 2024; 120:899-913. [PMID: 38377486 PMCID: PMC11218690 DOI: 10.1093/cvr/cvae036] [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: 04/28/2023] [Revised: 08/31/2023] [Accepted: 10/07/2023] [Indexed: 02/22/2024] Open
Abstract
AIMS The lymphocyte adaptor protein (LNK) is a negative regulator of cytokine and growth factor signalling. The rs3184504 variant in SH2B3 reduces LNK function and is linked to cardiovascular, inflammatory, and haematologic disorders, including stroke. In mice, deletion of Lnk causes inflammation and oxidative stress. We hypothesized that Lnk-/- mice are susceptible to atrial fibrillation (AF) and that rs3184504 is associated with AF and AF-related stroke in humans. During inflammation, reactive lipid dicarbonyls are the major components of oxidative injury, and we further hypothesized that these mediators are critical drivers of the AF substrate in Lnk-/- mice. METHODS AND RESULTS Lnk-/- or wild-type (WT) mice were treated with vehicle or 2-hydroxybenzylamine (2-HOBA), a dicarbonyl scavenger, for 3 months. Compared with WT, Lnk-/- mice displayed increased AF duration that was prevented by 2-HOBA. In the Lnk-/- atria, action potentials were prolonged with reduced transient outward K+ current, increased late Na+ current, and reduced peak Na+ current, pro-arrhythmic effects that were inhibited by 2-HOBA. Mitochondrial dysfunction, especially for Complex I, was evident in Lnk-/- atria, while scavenging lipid dicarbonyls prevented this abnormality. Tumour necrosis factor-α (TNF-α) and interleukin-1 beta (IL-1β) were elevated in Lnk-/- plasma and atrial tissue, respectively, both of which caused electrical and bioenergetic remodelling in vitro. Inhibition of soluble TNF-α prevented electrical remodelling and AF susceptibility, while IL-1β inhibition improved mitochondrial respiration but had no effect on AF susceptibility. In a large database of genotyped patients, rs3184504 was associated with AF, as well as AF-related stroke. CONCLUSION These findings identify a novel role for LNK in the pathophysiology of AF in both experimental mice and humans. Moreover, reactive lipid dicarbonyls are critical to the inflammatory AF substrate in Lnk-/- mice and mediate the pro-arrhythmic effects of pro-inflammatory cytokines, primarily through electrical remodelling.
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MESH Headings
- Animals
- Female
- Humans
- Male
- Action Potentials/drug effects
- Adaptor Proteins, Signal Transducing/genetics
- Adaptor Proteins, Signal Transducing/metabolism
- Atrial Fibrillation/metabolism
- Atrial Fibrillation/physiopathology
- Atrial Fibrillation/genetics
- Benzylamines/pharmacology
- Disease Models, Animal
- Genetic Predisposition to Disease
- Heart Rate/drug effects
- Inflammation Mediators/metabolism
- Interleukin-1beta/metabolism
- Interleukin-1beta/genetics
- Intracellular Signaling Peptides and Proteins/genetics
- Intracellular Signaling Peptides and Proteins/metabolism
- Mice, Inbred C57BL
- Mice, Knockout
- Mitochondria, Heart/metabolism
- Mitochondria, Heart/pathology
- Mitochondria, Heart/drug effects
- Myocytes, Cardiac/metabolism
- Myocytes, Cardiac/drug effects
- Myocytes, Cardiac/pathology
- Oxidative Stress/drug effects
- Phenotype
- Signal Transduction
- Tumor Necrosis Factor-alpha/metabolism
- Tumor Necrosis Factor-alpha/genetics
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Affiliation(s)
- Matthew B Murphy
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, Nashville, TN 37232, USA
| | - Zhenjiang Yang
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, Nashville, TN 37232, USA
| | - Tuerdi Subati
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, Nashville, TN 37232, USA
| | - Eric Farber-Eger
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
| | - Kyungsoo Kim
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, Nashville, TN 37232, USA
| | - Daniel J Blackwell
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, Nashville, TN 37232, USA
| | - Matthew R Fleming
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
| | - Joshua M Stark
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, Nashville, TN 37232, USA
| | - Joseph C Van Amburg
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, Nashville, TN 37232, USA
| | - Kaylen K Woodall
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, Nashville, TN 37232, USA
| | - Justin P Van Beusecum
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, Nashville, TN 37232, USA
| | - Vineet Agrawal
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
| | - Charles D Smart
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, Nashville, TN 37232, USA
| | - Ashley Pitzer
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, Nashville, TN 37232, USA
| | - James B Atkinson
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University School of Medicine, 1161 21 Avenue South, Nashville, TN 37232, USA
| | - Agnes B Fogo
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University School of Medicine, 1161 21 Avenue South, Nashville, TN 37232, USA
| | - Julie A Bastarache
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
| | - Annet Kirabo
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, Nashville, TN 37232, USA
| | - Quinn S Wells
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, Nashville, TN 37232, USA
- Department of Biomedical Informatics, Vanderbilt University School of Medicine, 2525 West End Avenue, Nashville, TN 37203, USA
| | - Meena S Madhur
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, Nashville, TN 37232, USA
| | - Joey V Barnett
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, Nashville, TN 37232, USA
| | - Katherine T Murray
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, 559 PRB, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University School of Medicine, 2220 Pierce Avenue, Nashville, TN 37232, USA
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14
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Ma Z, Chen Q, Liu Z, Li X, Zhang H, Feng X. Genetically predicted inflammatory proteins and the risk of atrial fibrillation: a bidirectional Mendelian randomization study. Front Cardiovasc Med 2024; 11:1375750. [PMID: 38988665 PMCID: PMC11234858 DOI: 10.3389/fcvm.2024.1375750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 05/28/2024] [Indexed: 07/12/2024] Open
Abstract
Purpose The causal associations between inflammatory factors and atrial fibrillation (AF) remained unclear. We aimed to investigate whether genetically predicted inflammatory proteins are related to the risk of AF, and vice versa. Methods A bidirectional two-sample Mendelian randomization study was performed. The genetic variation of 91 inflammatory proteins were derived from genome-wide association study (GWAS) data of European ancestry (n = 14,824). Summary statistics for AF were obtained from a published meta-analysis study (n = 1,030,836) and the FinnGen study (n = 261,395). Results Genetically predicted fibroblast growth factor 5 (FGF5) was significantly positively associated with risk of AF [[odds ratio (OR): 1.07; 95% CI: 1.04-1.10; P < 0.01], and CD40l receptor was significantly negatively associated with risk of AF (OR: 0.95; 95% CI: 0.92-0.98; P = 0.02) in the meta-analysis study. In the FinnGen study, similar results were observed in FGF5 (OR: 1.11; 95% CI: 1.06-1.16; P < 0.01) and CD40l receptor (OR: 0.93; 95% CI: 0.89-0.97; P = 0.03) for AF. In the FinnGen study, TNF-beta was significantly positively associated with risk of AF (OR: 1.05; 95% CI: 1.02-1.09; P = 0.03) and leukemia inhibitory factor receptor was significantly negatively associated with risk of AF (OR: 0.86; 95% CI: 0.80-0.91; P = 0.001). The causal effect of AF on inflammatory proteins was not observed. Conclusion Our study suggested that FGF5 and CD40l receptor have a potential causal association with AF, and targeting these factors may help in the treatment of AF.
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Affiliation(s)
| | | | | | | | - Huaming Zhang
- Division of Cardiology, Departments of Internal Medicine, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xi Feng
- Division of Cardiology, Departments of Internal Medicine, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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15
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Niskala A, Heijman J, Dobrev D, Jespersen T, Saljic A. Targeting the NLRP3 inflammasome signalling for the management of atrial fibrillation. Br J Pharmacol 2024. [PMID: 38877789 DOI: 10.1111/bph.16470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 04/12/2024] [Accepted: 05/04/2024] [Indexed: 06/16/2024] Open
Abstract
Inflammatory signalling via the nod-like receptor (NLR) family pyrin domain-containing protein-3 (NLRP3) inflammasome has recently been implicated in the pathophysiology of atrial fibrillation (AF). However, the precise role of the NLRP3 inflammasome in various cardiac cell types is poorly understood. Targeting components or products of the inflammasome and preventing their proinflammatory consequences may constitute novel therapeutic treatment strategies for AF. In this review, we summarise the current understanding of the role of the inflammasome in AF pathogenesis. We first review the NLRP3 inflammasome pathway and inflammatory signalling in cardiomyocytes, (myo)fibroblasts and immune cells, such as neutrophils, macrophages and monocytes. Because numerous compounds targeting NLRP3 signalling are currently in preclinical development, or undergoing clinical evaluation for other indications than AF, we subsequently review known therapeutics, such as colchicine and canakinumab, targeting the NLRP3 inflammasome and evaluate their potential for treating AF.
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Affiliation(s)
- Alisha Niskala
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jordi Heijman
- Department of Cardiology, Maastricht University Medical Centre and Cardiovascular Research Institute Maastricht, Maastricht University, Maastricht, The Netherlands
- Gottfried Schatz Research Center, Division of Medical Physics & Biophysics, Medical University of Graz, Graz, Austria
- Institute of Pharmacology, West German Heart and Vascular Center, University Duisburg-Essen, Essen, Germany
| | - Dobromir Dobrev
- Institute of Pharmacology, West German Heart and Vascular Center, University Duisburg-Essen, Essen, Germany
- Medicine and Research Center, Montréal Heart Institute and University de Montréal, Montréal, Canada
- Department of Integrative Physiology, Baylor College of Medicine, Houston, Texas, USA
| | - Thomas Jespersen
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Arnela Saljic
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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16
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Fender AC. Protease-activated receptor 2 at the intersection of thrombo-inflammation and beyond. IJC HEART & VASCULATURE 2024; 52:101403. [PMID: 38854742 PMCID: PMC11156694 DOI: 10.1016/j.ijcha.2024.101403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Affiliation(s)
- Anke C. Fender
- Institute of Pharmacology, West German Heart and Vascular Center, University Duisburg-Essen, Germany
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17
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Lu MK, Huo YN, Tai BY, Lin CY, Yang HY, Tsai CS. Ziprasidone triggers inflammasome signaling via PI3K-Akt-mTOR pathway to promote atrial fibrillation. Biomed Pharmacother 2024; 175:116649. [PMID: 38692059 DOI: 10.1016/j.biopha.2024.116649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 04/22/2024] [Accepted: 04/24/2024] [Indexed: 05/03/2024] Open
Abstract
BACKGROUND Second-generation antipsychotics increase the risk of atrial fibrillation. This study explores whether the atypical antipsychotic ziprasidone triggers inflammasome signaling, leading to atrial arrhythmia. METHODS Electromechanical and pharmacological assessments were conducted on the rabbit left atria (LA). The patch-clamp technique was used to measure ionic channel currents in single cardiomyocytes. Detection of cytosolic reactive oxygen species production was performed in atrial cardiomyocytes. RESULTS The duration of action potentials at 50 % and 90 % repolarization was dose-dependently shortened in ziprasidone-treated LA. Diastolic tension in LA increased after ziprasidone treatment. Ziprasidone-treated LA showed rapid atrial pacing (RAP) triggered activity. PI3K inhibitor, Akt inhibitor and mTOR inhibitor abolished the triggered activity elicited by ziprasidone in LA. The NLRP3 inhibitor MCC950 suppressed the ziprasidone-induced post-RAP-triggered activity. MCC950 treatment reduced the reverse-mode Na+/Ca2+ exchanger current in ziprasidone-treated myocytes. Cytosolic reactive oxygen species production decreased in ziprasidone-treated atrial myocytes after MCC950 treatment. Protein levels of inflammasomes and proinflammatory cytokines, including NLRP3, caspase-1, IL-1β, IL-18, and IL-6 were observed to be upregulated in myocytes treated with ziprasidone. CONCLUSIONS Our findings suggest ziprasidone induces atrial arrhythmia, potentially through upregulation of the NLRP3 inflammasome and enhancement of reactive oxygen species production via the PI3K/Akt/mTOR pathway.
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Affiliation(s)
- Ming-Kun Lu
- Jianan Psychiatric Center, Ministry of Health and Welfare, Tainan, Taiwan, ROC; Department of Pharmacy, Chia Nan University of Pharmacy & Science, Tainan, Taiwan, ROC
| | - Yen-Nien Huo
- Division of Cardiovascular Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, ROC
| | - Buh-Yuan Tai
- Jianan Psychiatric Center, Ministry of Health and Welfare, Tainan, Taiwan, ROC
| | - Chih-Yuan Lin
- Division of Cardiovascular Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, ROC
| | - Hsiang-Yu Yang
- Division of Cardiovascular Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, ROC; Department of Biochemistry, National Defense Medical Center, Taipei, Taiwan, ROC; Division of Experimental Surgery Center, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, ROC.
| | - Chien-Sung Tsai
- Division of Cardiovascular Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, ROC
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18
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Sato T, Okumura M, Ishikawa T, Sakuta K, Takahashi J, Tanabe M, Onda A, Komatsu T, Sakai K, Umehara T, Mitsumura H, Iguchi Y. Relationship between ω3 and ω6 polyunsaturated fatty acids and atrial fibrillation in acute ischemic stroke. Clin Nutr 2024; 43:1643-1651. [PMID: 38772071 DOI: 10.1016/j.clnu.2024.05.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 05/05/2024] [Accepted: 05/09/2024] [Indexed: 05/23/2024]
Abstract
BACKGROUND & AIMS Some ω3 polyunsaturated fatty acids (PUFAs) are said to demonstrate a dose-related risk of atrial fibrillation (AF), conversely, some ω6 PUFAs might have AF protective potential. However, few investigated the relation among ischemic strokes. Primarily, we aimed to examine a relation between ω3 and ω6 PUFAs and the presence of AF in ischemic strokes. Further, since, some PUFAs are said to affect the cardiac load, we secondarily aimed to investigate the association between ω3 and ω6 PUFAs and brain natriuretic peptide (BNP) and the occurrence of cerebral large vessel occlusion (LVO) in ischemic strokes with AF. METHODS Consecutive patients with ischemic stroke admitted between 2012 and 2022 were retrospectively screened. Plasma levels of PUFAs, including eicosapentaenoic acid (EPA), docosahexaenoic acid, dihomo-γ-linolenic acid (DGLA) and arachidonic acid (AA), were assayed. Data were analyzed using a Poisson regression analysis with a robust variance estimator and a multiple linear regression analysis. RESULTS We screened 2112 consecutive ischemic strokes, including 1574 (1119 [71%] males, median age 69 years). Lower DGLA (prevalence ratio (PR) 0.885, 95% CI 0.811-0.966, p = 0.006), lower AA (PR 0.797, 95% CI 0.649-0.978, p = 0.030), and higher EPA/AA ratio (PR 1.353, 95% CI 1.036-1.767, p = 0.026) were associated with AF. Checking the linearity between AF and PUFAs, negative linear trends were observed between DGLA quartiles (Q1: PR 1.901, Q2: PR 1.550, Q3: PR 1.423, Q4: 1.000, p < 0.001 for trend) and AA quartiles (Q1: PR 1.499, Q2: PR 1.204, Q3: PR 1.125, Q4: 1.000, p = 0.004 for trend), with positive linear trends between EPA/AA ratio quartiles (Q1: 1.000, Q2: PR 1.555, Q3: PR 1.612, Q4: PR 1.797, p = 0.001 for trend). Among patients with AF, a negative association between AA and BNP (unstandardized coefficient -1.316, 95% CI -2.290∼-0.342, p = 0.008) was observed, and lower AA was associated with LVO (PR 0.707, 95% CI 0.527-0.950, p = 0.021). CONCLUSION Lower DGLA and AA and a higher EPA/AA ratio might be related to the development of AF in ischemic strokes. Further, AA might have a cardio-cerebrovascular protective role in ischemic strokes with AF.
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Affiliation(s)
- Takeo Sato
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan.
| | - Motohiro Okumura
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Takahiro Ishikawa
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Kenichi Sakuta
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Junichiro Takahashi
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Maki Tanabe
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Asako Onda
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Teppei Komatsu
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Kenichiro Sakai
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Tadashi Umehara
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Hidetaka Mitsumura
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
| | - Yasuyuki Iguchi
- Department of Neurology, The Jikei University School of Medicine, Tokyo, Japan
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19
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McCauley MD, Iacobellis G, Li N, Nattel S, Goldberger JJ. Targeting the Substrate for Atrial Fibrillation: JACC Review Topic of the Week. J Am Coll Cardiol 2024; 83:2015-2027. [PMID: 38749620 DOI: 10.1016/j.jacc.2024.02.050] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 02/09/2024] [Accepted: 02/14/2024] [Indexed: 06/17/2024]
Abstract
The identification of the pulmonary veins as a trigger source for atrial fibrillation (AF) has established pulmonary vein isolation (PVI) as a key target for AF ablation. However, PVI alone does not prevent recurrent AF in many patients, and numerous additional ablation strategies have failed to improve on PVI outcomes. This therapeutic limitation may be due, in part, to a failure to identify and intervene specifically on the pro-fibrillatory substrate within the atria and pulmonary veins. In this review paper, we highlight several emerging approaches with clinical potential that target atrial cardiomyopathy-the underlying anatomic, electrical, and/or autonomic disease affecting the atrium-in various stages of practice and investigation. In particular, we consider the evolving roles of risk factor modification, targeting of epicardial adipose tissue, tissue fibrosis, oxidative stress, and the inflammasome, along with aggressive early anti-AF therapy in AF management. Attention to combatting substrate development promises to improve outcomes in AF.
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Affiliation(s)
- Mark D McCauley
- Division of Cardiology, Department of Medicine, University of Illinois at Chicago, Chicago, Illinois, USA; Department of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, Illinois, USA; Jesse Brown VA Medical Center, Chicago, Illinois, USA
| | - Gianluca Iacobellis
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Na Li
- Department of Medicine, Section of Cardiovascular Research, Baylor College of Medicine, Houston, Texas, USA
| | - Stanley Nattel
- Department of Medicine and Research Center, Montreal Heart Institute and Université de Montréal, Montreal, Quebec, Canada; Department of Pharmacology and Therapeutics, McGill University, Montreal, Quebec, Canada; Institute of Pharmacology, West German Heart and Vascular Center, University Duisburg-Essen, Essen, Germany; IHU LIRYC and Fondation Bordeaux Université, Bordeaux, France
| | - Jeffrey J Goldberger
- Division of Cardiology, Department of Medicine, University of Miami Miller School of Medicine, Miami, Florida, USA.
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20
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Wang Q, Du J, Meng J, Yang J, Cao Y, Xiang J, Yu J, Li X, Ding B. Janus Nanofibrous Patch with In Situ Grown Superlubricated Skin for Soft Tissue Repair with Inhibited Postoperative Adhesion. ACS NANO 2024; 18:12341-12354. [PMID: 38695772 DOI: 10.1021/acsnano.4c01370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2024]
Abstract
The patch with a superlubricated surface shows great potential for the prevention of postoperative adhesion during soft tissue repair. However, the existing patches suffer from the destruction of topography during superlubrication coating and lack of pro-healing capability. Herein, we demonstrate a facile and versatile strategy to develop a Janus nanofibrous patch (J-NFP) with antiadhesion and reactive oxygen species (ROS) scavenging functions. Specifically, sequential electrospinning is performed with initiators and CeO2 nanoparticles (CeNPs) embedded on the different sides, followed by subsurface-initiated atom transfer radical polymerization for grafting zwitterionic polymer brushes, introducing superlubricated skin on the surface of single nanofibers. The poly(sulfobetaine methacrylate) brush-grafted patch retains fibrous topography and shows a coefficient of friction of around 0.12, which is reduced by 77% compared with the pristine fibrous patch. Additionally, a significant reduction in protein, platelet, bacteria, and cell adhesion is observed. More importantly, the CeNPs-embedded patch enables ROS scavenging as well as inhibits pro-inflammatory cytokine secretion and promotes anti-inflammatory cytokine levels. Furthermore, the J-NFP can inhibit tissue adhesion and promote repair of both rat skin wounds and intrauterine injuries. The present strategy for developing the Janus patch exhibits enormous prospects for facilitating soft tissue repair.
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Affiliation(s)
- Qiusheng Wang
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
| | - Jingtao Du
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
| | - Jinmei Meng
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
| | - Jiasheng Yang
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
| | - Yannan Cao
- Department of Obstetrics and Gynecology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Jiangdong Xiang
- Department of Obstetrics and Gynecology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Jianyong Yu
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
| | - Xiaoran Li
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
| | - Bin Ding
- Innovation Center for Textile Science and Technology, College of Textiles, Donghua University, Shanghai 201620, China
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21
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Shouval R, Goldman A, Flynn JR, El-Moghraby A, Rehman M, Devlin SM, Corona M, Landego I, Lin RJ, Scordo M, Raj SS, Giralt SA, Palomba ML, Dahi PB, Walji M, Salles G, Nath K, Geyer MB, Park JH, Fein JA, Kosmidou I, Shah GL, Liu JE, Perales MA, Mahmood SS. Atrial arrhythmias following CAR-chimeric antigen receptor T-cell therapy: Incidence, risk factors and biomarker profile. Br J Haematol 2024. [PMID: 38735683 DOI: 10.1111/bjh.19497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Accepted: 04/18/2024] [Indexed: 05/14/2024]
Abstract
Recent reports have raised concerns about the association of chimeric antigen receptor T cell (CAR-T) with non-negligible cardiotoxicity, particularly atrial arrhythmias. First, we conducted a pharmacovigilance study to assess the reporting of atrial arrhythmias following CD19-directed CAR-T. Subsequently, to determine the incidence, risk factors and outcomes of atrial arrhythmias post-CAR-T, we compiled a retrospective single-centre cohort of non-Hodgkin lymphoma patients. Only commercial CAR-T products were considered. Atrial arrhythmias were nearly fourfold more likely to be reported after CAR-T therapy compared to all other cancer patients in the FAERS (adjusted ROR = 3.76 [95% CI 2.67-5.29]). Of the 236 patients in our institutional cohort, 23 (10%) developed atrial arrhythmias post-CAR-T, including 12 de novo arrhythmias, with most (83%) requiring medical intervention. Atrial arrhythmias frequently co-occurred with cytokine release syndrome and were associated with higher post-CAR-T infusion peak levels of IL-10, TNF-alpha and LDH, and lower trough levels of fibrinogen. In a multivariable analysis, risk factors for atrial arrhythmia were history of atrial arrhythmia (OR = 6.80 [2.39-19.6]) and using CAR-T product with a CD28-costimulatory domain (OR = 5.17 [1.72-18.6]). Atrial arrhythmias following CD19-CAR-T therapy are prevalent and associated with elevated inflammatory biomarkers, a history of atrial arrhythmia and the use of a CAR-T product with a CD28 costimulatory domain.
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Affiliation(s)
- Roni Shouval
- Department of Medicine, Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
- Department of Medicine, Cellular Therapy Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Adam Goldman
- Department of Internal Medicine, Sheba Medical Center, Ramat-Gan, Israel
| | - Jessica R Flynn
- Department of Biostatistics and Epidemiology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Ahmed El-Moghraby
- Department of Medicine, Cardiology Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Mahin Rehman
- Department of Medicine, Cardiology Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Sean M Devlin
- Department of Biostatistics and Epidemiology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Magdalena Corona
- Department of Medicine, Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Ivan Landego
- Department of Medicine, Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Internal Medicine, Max Rady Faculty of Health Sciences, Section of Medical Oncology and Hematology, University of Manitoba, Manitoba, Canada
| | - Richard J Lin
- Department of Medicine, Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
- Department of Medicine, Cellular Therapy Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Michael Scordo
- Department of Medicine, Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
- Department of Medicine, Cellular Therapy Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Sandeep S Raj
- Department of Medicine, Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Sergio A Giralt
- Department of Medicine, Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
- Department of Medicine, Cellular Therapy Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - M Lia Palomba
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
- Department of Medicine, Cellular Therapy Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Lymphoma Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Parastoo B Dahi
- Department of Medicine, Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
- Department of Medicine, Cellular Therapy Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Moneeza Walji
- Department of Medicine, Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Gilles Salles
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
- Department of Medicine, Lymphoma Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Karthik Nath
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
- Department of Medicine, Cellular Therapy Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Mark B Geyer
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
- Department of Medicine, Cellular Therapy Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Leukemia Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Jae H Park
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
- Department of Medicine, Cellular Therapy Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Joshua A Fein
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Ioanna Kosmidou
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
- Department of Medicine, Cardiology Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Gunjan L Shah
- Department of Medicine, Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
- Department of Medicine, Cellular Therapy Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Jennifer E Liu
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
- Department of Medicine, Cardiology Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Miguel-Angel Perales
- Department of Medicine, Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
| | - Syed S Mahmood
- Department of Medicine, Weill Cornell Medical College, New York, New York, USA
- Department of Medicine, Cardiology Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Department of Medicine, Cardio-Oncology Service, St. Francis Hospital & Heart Center, Catholic Health Services in Long Island, Roslyn, New York, USA
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22
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Tamargo J, Agewall S, Borghi C, Ceconi C, Cerbai E, Dan GA, Ferdinandy P, Grove EL, Rocca B, Magavern E, Sulzgruber P, Semb AG, Sossalla S, Niessner A, Kaski JC, Dobrev D. New pharmacological agents and novel cardiovascular pharmacotherapy strategies in 2023. EUROPEAN HEART JOURNAL. CARDIOVASCULAR PHARMACOTHERAPY 2024; 10:219-244. [PMID: 38379024 PMCID: PMC11121198 DOI: 10.1093/ehjcvp/pvae013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 02/01/2024] [Accepted: 02/19/2024] [Indexed: 02/22/2024]
Abstract
Although cardiovascular diseases (CVDs) are the leading cause of death worldwide, their pharmacotherapy remains suboptimal. Thus, there is a clear unmet need to develop more effective and safer pharmacological strategies. In this review, we summarize the most relevant advances in cardiovascular pharmacology in 2023, including the approval of first-in-class drugs that open new avenues for the treatment of atherosclerotic CVD and heart failure (HF). The new indications of drugs already marketed (repurposing) for the treatment of obstructive hypertrophic cardiomyopathy, hypercholesterolaemia, type 2 diabetes, obesity, and HF; the impact of polypharmacy on guideline-directed drug use is highlighted as well as results from negative clinical trials. Finally, we end with a summary of the most important phase 2 and 3 clinical trials assessing the efficacy and safety of cardiovascular drugs under development for the prevention and treatment of CVDs.
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Affiliation(s)
- Juan Tamargo
- Department of Pharmacology and Toxicology, School of Medicine, Universidad Complutense, Instituto De Investigación Sanitaria Gregorio Marañón, 28040 Madrid, Spain
| | - Stefan Agewall
- Institute of Clinical Science, Oslo University, 0318 Oslo, Norway
- Institute of Clinical Sciences, Karolinska Institute, Danderyd Hospital, 171 77 Stockholm, Sweden
| | - Claudio Borghi
- Department of Cardiovascular Medicine, University of Bologna-IRCCS AOU S. Orsola, 40138 Bologna, Italy
| | | | - Elisabetta Cerbai
- Department Neurofarba, Section of Pharmacology and Toxicology, University of Florence, 50139 Florence, Italy
| | - Gheorghe A Dan
- Carol Davila. University of Medicine, Colentina University Hospital, 0221 Bucharest, Romania
| | - Péter Ferdinandy
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, Budapest, H-1089, Hungary
- Pharmahungary Group, Budapest, H-1031, Hungary
| | - Erik Lerkevang Grove
- Department of Cardiology, Aarhus University Hospital, 8200 Aarhus N, Denmark
- Department of Clinical Medicine, Faculty of Health, Aarhus University, 8200 Aarhus N, Denmark
| | - Bianca Rocca
- Department Neurofarba, Section of Pharmacology and Toxicology, University of Florence, 50139 Florence, Italy
- Section of Pharmacology, Department of Safety and Bioethics, Catholic University School of Medicine, 00168 Roma, Italy
| | - Emma Magavern
- William Harvey Research Institute, Centre of Clinical Pharmacology and Precision Medicine, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK
| | - Patrick Sulzgruber
- Department of Medicine, Division of Cardiology, Medical University of Vienna, 1090 Vienna, Austria
| | - Anne Grete Semb
- Preventive Cario-Rheuma clinic, Division of Research and Innovation, REMEDY centre, Diakonhjemmet Hospital, 0370 Oslo, Norway
| | - Samuel Sossalla
- Cardiology and Angiology, Justus-Liebig-University, D-35392 Giessen, Germany
- Department of Cardiology, Kerckhoff-Clinic/DZHK, D-61234 Bad Nauheim, Germany
| | - Alexander Niessner
- Department of Internal Medicine II, Division of Cardiology, Medical University of Vienna, 1090 Vienna, Austria
| | - Juan Carlos Kaski
- Molecular and Clinical Sciences Research Institute, St. George's, University of London, Cranmer Terrace, London SW17 0RE, UK
| | - Dobromir Dobrev
- Institute of Pharmacology, West-German Heart and Vascular Centre, University Duisburg-Essen, DE-45122 Essen, Germany
- Department of Medicine, Montreal Heart Institute and Université de Montréal, H1Y 3N1 Montréal, Canada
- Department of Integrative Physiology, Baylor College of Medicine, 77030 Houston, TX, USA
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23
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Burg S, Levi O, Elyagon S, Shapiro S, Murninkas M, Etzion S, Gradwohl G, Makarovsky D, Lichtenstein A, Gordon Y, Attali B, Etzion Y. The SK4 channel allosteric blocker, BA6b9, reduces atrial fibrillation substrate in rats with reduced ejection fraction. PNAS NEXUS 2024; 3:pgae192. [PMID: 38783894 PMCID: PMC11114471 DOI: 10.1093/pnasnexus/pgae192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 04/30/2024] [Indexed: 05/25/2024]
Abstract
Atrial fibrillation (AF), the most common cardiac arrhythmia, is strongly associated with several comorbidities including heart failure (HF). AF in general, and specifically in the context of HF, is progressive in nature and associated with poor clinical outcomes. Current therapies for AF are limited in number and efficacy and do not target the underlying causes of atrial remodeling such as inflammation or fibrosis. We previously identified the calcium-activated SK4 K+ channels, which are preferentially expressed in the atria relative to the ventricles in both rat and human hearts, as attractive druggable target for AF treatment. Here, we examined the ability of BA6b9, a novel allosteric inhibitor of SK4 channels that targets the specific calmodulin-PIP2 binding domain, to alter AF susceptibility and atrial remodeling in a systolic HF rat postmyocardial infarction (post-MI) model. Daily BA6b9 injection (20 mg/kg/day) for 3 weeks starting 1-week post-MI prolonged the atrial effective refractory period, reduced AF induction and duration, and dramatically prevented atrial structural remodeling. In the post-MI left atrium (LA), pronounced upregulation of the SK4 K+ channel was observed, with corresponding increases in collagen deposition, α-SMA levels, and NLRP3 inflammasome expression. Strikingly, BA6b9 treatment reversed these changes while also significantly reducing the lateralization of the atrial connexin Cx43 in the LA of post-MI rats. Our findings indicate that the blockade of SK4 K+ channels using BA6b9 not only favors rhythm control but also remarkably reduces atrial structural remodeling, a property that is highly desirable for novel AF therapies, particularly in patients with comorbid HF.
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Affiliation(s)
- Shira Burg
- Department of Physiology & Pharmacology, Sackler Faculty of Medicine and Sagol School of Neurosciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Or Levi
- Cardiac Arrhythmia Research Laboratory, Department of Physiology and Cell Biology, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
- Regenerative Medicine & Stem Cell Research Center, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Sigal Elyagon
- Cardiac Arrhythmia Research Laboratory, Department of Physiology and Cell Biology, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
- Regenerative Medicine & Stem Cell Research Center, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Shir Shapiro
- Cardiac Arrhythmia Research Laboratory, Department of Physiology and Cell Biology, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
- Regenerative Medicine & Stem Cell Research Center, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Michael Murninkas
- Cardiac Arrhythmia Research Laboratory, Department of Physiology and Cell Biology, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
- Regenerative Medicine & Stem Cell Research Center, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Sharon Etzion
- Regenerative Medicine & Stem Cell Research Center, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Gideon Gradwohl
- Medical Engineering Unit, The Jerusalem College of Technology, Jerusalem 9116001, Israel
| | - Daria Makarovsky
- Inter-Departmental Core Facility, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Alexandra Lichtenstein
- Inter-Departmental Core Facility, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Yaara Gordon
- Department of Clinical Microbiology and Immunology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Bernard Attali
- Department of Physiology & Pharmacology, Sackler Faculty of Medicine and Sagol School of Neurosciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Yoram Etzion
- Cardiac Arrhythmia Research Laboratory, Department of Physiology and Cell Biology, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
- Regenerative Medicine & Stem Cell Research Center, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
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24
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Hiram R. The duration of atrial fibrillation might be associated with right heart disease severity. Int J Cardiol 2024; 400:131689. [PMID: 38158134 DOI: 10.1016/j.ijcard.2023.131689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 01/03/2024]
Affiliation(s)
- Roddy Hiram
- Montreal Heart Institute, Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Quebec, Canada.
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25
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Li Q, Nie J, Cao M, Luo C, Sun C. Association between inflammation markers and all-cause mortality in critical ill patients with atrial fibrillation: Analysis of the Multi-Parameter Intelligent Monitoring in Intensive Care (MIMIC-IV) database. IJC HEART & VASCULATURE 2024; 51:101372. [PMID: 38435383 PMCID: PMC10905960 DOI: 10.1016/j.ijcha.2024.101372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 02/21/2024] [Indexed: 03/05/2024]
Abstract
Background Inflammation is related to cardiovascular disease. Among the many inflammatory markers, neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and systemic immune-inflammatory index (SII) were considered as novel predictors for atherosclerosis outcomes. We aimed to investigate the impact of these inflammatory markers on the prognosis of patients with atrial fibrillation (AF). Methods We obtained data on AF patients from the Medical Information Mart for Intensive Care (MIMIC)-IV database. These patients were classified into two groups based on their survival status within 30 days. Then, they were divided into three groups based on the tertile of baseline NLR, PLR, and SII, respectively. We comprehensively explored the relationship between those inflammatory indicators and all-cause mortality in patients with AF by Kaplan-Meier analysis, multivariate Cox regression analysis, receiver operating characteristic (ROC) analyses, restricted cubic spline regression (RCS), and subgroup analysis. Results A total of 4562 patients with AF were included. Statistically significant differences were found between survivor and non-survivor groups for NLR, PLR and SII. Patients in the high tertile of the NLR had a higher mortality rate than those in the low and intermediate tertiles, as did patients in the PLR and the SII. NLR, PLR and SII were independently associated with increased risk of all-cause mortality. RCS showed that the 30-day and 365-day risk of death were linearly associated with increases in NLR, PLR, and SII, respectively. Conclusion NLR, PLR, and SII have the potential to be used as indicators for stratifying the risk of mortality in critically ill patients with AF.
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Affiliation(s)
- Qian Li
- Department of Cardiovascular Medicine, First Affiliated Hospital of Xi’an Jiaotong University, No. 277 Yanta West Road, Xi’an 710061, PR China
| | - Jian Nie
- Department of Senile Diseases, Shaanxi Provincial People’s Hospital, No. 256 Youyi West Road, Xi’an 710068, PR China
| | - Miaomiao Cao
- Department of Radiology, First Affiliated Hospital of Xi’an Jiaotong University, No. 277 Yanta West Road, Xi’an 710061, PR China
| | - Chaodi Luo
- Department of Peripheral Vascular Diseases, First Affiliated Hospital of Xi’an Jiaotong University, No. 277 Yanta West Road, Xi’an 710061, PR China
| | - Chaofeng Sun
- Department of Cardiovascular Medicine, First Affiliated Hospital of Xi’an Jiaotong University, No. 277 Yanta West Road, Xi’an 710061, PR China
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26
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Jin C, Zhong Z, Gao L, Wu X, Zhou C, Zhou G, Liu S. Focus on the Role of Inflammation as a Bridge between Ferroptosis and Atrial Fibrillation: A Narrative Review and Novel Perspective. Rev Cardiovasc Med 2024; 25:110. [PMID: 39076556 PMCID: PMC11264012 DOI: 10.31083/j.rcm2504110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 11/19/2023] [Accepted: 11/28/2023] [Indexed: 07/31/2024] Open
Abstract
In this comprehensive review, we examine the intricate interplay between inflammation, ferroptosis, and atrial fibrillation (AF), highlighting their significant roles in AF pathophysiology and pathogenesis. Augmented inflammatory responses are pivotal to AF, potentially leading to atrial remodeling and reentry phenomena by impacting calcium channels and atrial tissue fibrosis. A strong correlation exists between inflammatory cytokines and AF, underscoring the importance of inflammatory signaling pathways, such as NOD-like receptor thermal protien domain associated protein 3 (NLRP3) inflammasome, Nuclear Factor kappa B (NF- κ B) signaling, and Tumor necrosis factor- α (TNF- α ) signaling in AF development. Ferroptosis, a non-apoptotic regulated mode of cell death, has been widely studied in relation to cardiovascular diseases including heart failure, myocardial infarction, cardiomyopathy, and reperfusion injury. The interaction between ferroptosis and inflammation is complex and mutually influential. While significant progress has been made in understanding the inflammation-AF relationship, the role of inflammation as a conduit linking ferroptosis and AF remains underexplored. The specific pathogenesis and key molecules of atrial fibrosis caused by ferroptosis are still not fully understood. Here we review the role of inflammatory signaling in ferroptosis and AF. We elucidated the association between ferroptosis and AF, aiming to unveil mechanisms for targeted inhibition of atrial cell fibrosis and to propose novel therapeutic strategies for AF. This exploration is vital for advancing our knowledge and developing more effective interventions for AF, a condition deeply intertwined with inflammatory processes and ferroptotic pathways.
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Affiliation(s)
- Chenyang Jin
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong
University School of Medicine, 201620 Shanghai, China
| | - Zikan Zhong
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong
University School of Medicine, 201620 Shanghai, China
| | - Longzhe Gao
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong
University School of Medicine, 201620 Shanghai, China
| | - Xiaoyu Wu
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong
University School of Medicine, 201620 Shanghai, China
| | - Changzuan Zhou
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong
University School of Medicine, 201620 Shanghai, China
| | - Genqing Zhou
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong
University School of Medicine, 201620 Shanghai, China
| | - Shaowen Liu
- Department of Cardiology, Shanghai General Hospital, Shanghai Jiao Tong
University School of Medicine, 201620 Shanghai, China
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Tubeeckx MRL, De Keulenaer GW, Heidbuchel H, Segers VFM. Pathophysiology and clinical relevance of atrial myopathy. Basic Res Cardiol 2024; 119:215-242. [PMID: 38472506 DOI: 10.1007/s00395-024-01038-0] [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: 09/30/2023] [Revised: 02/01/2024] [Accepted: 02/02/2024] [Indexed: 03/14/2024]
Abstract
Atrial myopathy is a condition that consists of electrical, structural, contractile, and autonomic remodeling of the atria and is the substrate for development of atrial fibrillation, the most common arrhythmia. Pathophysiologic mechanisms driving atrial myopathy are inflammation, oxidative stress, atrial stretch, and neurohormonal signals, e.g., angiotensin-II and aldosterone. These mechanisms initiate the structural and functional remodeling of the atrial myocardium. Novel therapeutic strategies are being developed that target the pathophysiologic mechanisms of atrial myopathy. In this review, we will discuss the pathophysiology of atrial myopathy, as well as diagnostic and therapeutic strategies.
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Affiliation(s)
- Michiel R L Tubeeckx
- Laboratory of Physiopharmacology, Universiteitsplein 1, Building T (2nd Floor), 2610, Antwerp, Belgium.
| | - Gilles W De Keulenaer
- Laboratory of Physiopharmacology, Universiteitsplein 1, Building T (2nd Floor), 2610, Antwerp, Belgium
- Department of Cardiology, ZNA Middelheim Hospital Antwerp, Antwerp, Belgium
| | - Hein Heidbuchel
- Research Group Cardiovascular Diseases, GENCOR, University of Antwerp, Antwerp, Belgium
- Department of Cardiology, University Hospital Antwerp, Antwerp, Belgium
| | - Vincent F M Segers
- Laboratory of Physiopharmacology, Universiteitsplein 1, Building T (2nd Floor), 2610, Antwerp, Belgium
- Department of Cardiology, University Hospital Antwerp, Antwerp, Belgium
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Le Quilliec E, LeBlanc CA, Neuilly O, Xiao J, Younes R, Altuntas Y, Xiong F, Naud P, Villeneuve L, Sirois MG, Tanguay JF, Tardif JC, Hiram R. Atrial cardiomyocytes contribute to the inflammatory status associated with atrial fibrillation in right heart disease. Europace 2024; 26:euae082. [PMID: 38546222 PMCID: PMC11000822 DOI: 10.1093/europace/euae082] [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: 01/24/2024] [Accepted: 03/25/2024] [Indexed: 04/09/2024] Open
Abstract
AIMS Right heart disease (RHD), characterized by right ventricular (RV) and atrial (RA) hypertrophy, and cardiomyocytes' (CM) dysfunctions have been described to be associated with the incidence of atrial fibrillation (AF). Right heart disease and AF have in common, an inflammatory status, but the mechanisms relating RHD, inflammation, and AF remain unclear. We hypothesized that right heart disease generates electrophysiological and morphological remodelling affecting the CM, leading to atrial inflammation and increased AF susceptibility. METHODS AND RESULTS Pulmonary artery banding (PAB) was surgically performed (except for sham) on male Wistar rats (225-275 g) to provoke an RHD. Twenty-one days (D21) post-surgery, all rats underwent echocardiography and electrophysiological studies (EPS). Optical mapping was performed in situ, on Langendorff-perfused hearts. The contractility of freshly isolated CM was evaluated and recorded during 1 Hz pacing in vitro. Histological analyses were performed on formalin-fixed RA to assess myocardial fibrosis, connexin-43 levels, and CM morphology. Right atrial levels of selected genes and proteins were obtained by qPCR and Western blot, respectively. Pulmonary artery banding induced severe RHD identified by RV and RA hypertrophy. Pulmonary artery banding rats were significantly more susceptible to AF than sham. Compared to sham RA CM from PAB rats were significantly elongated and hypercontractile. Right atrial CM from PAB animals showed significant augmentation of mRNA and protein levels of pro-inflammatory interleukin (IL)-6 and IL1β. Sarcoplasmic-endoplasmic reticulum Ca2+-ATPase-2a (SERCA2a) and junctophilin-2 were decreased in RA CM from PAB compared to sham rats. CONCLUSIONS Right heart disease-induced arrhythmogenicity may occur due to dysfunctional SERCA2a and inflammatory signalling generated from injured RA CM, which leads to an increased risk of AF.
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Affiliation(s)
- Ewen Le Quilliec
- Department of Medicine, Montreal Heart Institute, University of Montreal, 5000 Belanger Street, Montreal, QC HIT 1C8, Canada
| | - Charles-Alexandre LeBlanc
- Department of Medicine, Montreal Heart Institute, University of Montreal, 5000 Belanger Street, Montreal, QC HIT 1C8, Canada
| | - Orlane Neuilly
- Department of Medicine, Montreal Heart Institute, University of Montreal, 5000 Belanger Street, Montreal, QC HIT 1C8, Canada
| | - Jiening Xiao
- Department of Medicine, Montreal Heart Institute, University of Montreal, 5000 Belanger Street, Montreal, QC HIT 1C8, Canada
| | - Rim Younes
- Department of Medicine, Montreal Heart Institute, University of Montreal, 5000 Belanger Street, Montreal, QC HIT 1C8, Canada
| | - Yasemin Altuntas
- Department of Medicine, Montreal Heart Institute, University of Montreal, 5000 Belanger Street, Montreal, QC HIT 1C8, Canada
| | - Feng Xiong
- Department of Medicine, Montreal Heart Institute, University of Montreal, 5000 Belanger Street, Montreal, QC HIT 1C8, Canada
| | - Patrice Naud
- Department of Medicine, Montreal Heart Institute, University of Montreal, 5000 Belanger Street, Montreal, QC HIT 1C8, Canada
| | - Louis Villeneuve
- Department of Medicine, Montreal Heart Institute, University of Montreal, 5000 Belanger Street, Montreal, QC HIT 1C8, Canada
| | - Martin G Sirois
- Department of Medicine, Montreal Heart Institute, University of Montreal, 5000 Belanger Street, Montreal, QC HIT 1C8, Canada
| | - Jean-François Tanguay
- Department of Medicine, Montreal Heart Institute, University of Montreal, 5000 Belanger Street, Montreal, QC HIT 1C8, Canada
| | - Jean-Claude Tardif
- Department of Medicine, Montreal Heart Institute, University of Montreal, 5000 Belanger Street, Montreal, QC HIT 1C8, Canada
| | - Roddy Hiram
- Department of Medicine, Montreal Heart Institute, University of Montreal, 5000 Belanger Street, Montreal, QC HIT 1C8, Canada
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Hiram R, Xiong F, Naud P, Xiao J, Sosnowski DK, Le Quilliec E, Saljic A, Abu-Taha IH, Kamler M, LeBlanc CA, Al-U’Datt DGF, Sirois MG, Hebert TE, Tanguay JF, Tardif JC, Dobrev D, Nattel S. An inflammation resolution-promoting intervention prevents atrial fibrillation caused by left ventricular dysfunction. Cardiovasc Res 2024; 120:345-359. [PMID: 38091977 PMCID: PMC10981525 DOI: 10.1093/cvr/cvad175] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 10/31/2023] [Accepted: 11/09/2023] [Indexed: 02/24/2024] Open
Abstract
AIMS Recent studies suggest that bioactive mediators called resolvins promote an active resolution of inflammation. Inflammatory signalling is involved in the development of the substrate for atrial fibrillation (AF). The aim of this study is to evaluate the effects of resolvin-D1 on atrial arrhythmogenic remodelling resulting from left ventricular (LV) dysfunction induced by myocardial infarction (MI) in rats. METHODS AND RESULTS MI was produced by left anterior descending coronary artery ligation. Intervention groups received daily intraperitoneal resolvin-D1, beginning before MI surgery (early-RvD1) or Day 7 post-MI (late-RvD1) and continued until Day 21 post-MI. AF vulnerability was evaluated by performing an electrophysiological study. Atrial conduction was analysed by using optical mapping. Fibrosis was quantified by Masson's trichrome staining and gene expression by quantitative polymerase chain reaction and RNA sequencing. Investigators were blinded to group identity. Early-RvD1 significantly reduced MI size (17 ± 6%, vs. 39 ± 6% in vehicle-MI) and preserved LV ejection fraction; these were unaffected by late-RvD1. Transoesophageal pacing induced atrial tachyarrhythmia in 2/18 (11%) sham-operated rats, vs. 18/18 (100%) MI-only rats, in 5/18 (28%, P < 0.001 vs. MI) early-RvD1 MI rats, and in 7/12 (58%, P < 0.01) late-RvD1 MI rats. Atrial conduction velocity significantly decreased post-MI, an effect suppressed by RvD1 treatment. Both early-RvD1 and late-RvD1 limited MI-induced atrial fibrosis and prevented MI-induced increases in the atrial expression of inflammation-related and fibrosis-related biomarkers and pathways. CONCLUSIONS RvD1 suppressed MI-related atrial arrhythmogenic remodelling. Early-RvD1 had MI sparing and atrial remodelling suppressant effects, whereas late-RvD1 attenuated atrial remodelling and AF promotion without ventricular protection, revealing atrial-protective actions unrelated to ventricular function changes. These results point to inflammation resolution-promoting compounds as novel cardio-protective interventions with a particular interest in attenuating AF substrate development.
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Affiliation(s)
- Roddy Hiram
- Department of Medicine, Montreal Heart Institute (MHI), Université de Montréal, 5000 Belanger Street, Montreal, Quebec, CanadaH1T 1C8
| | - Feng Xiong
- Department of Medicine, Montreal Heart Institute (MHI), Université de Montréal, 5000 Belanger Street, Montreal, Quebec, CanadaH1T 1C8
- Department of Pharmacology and Therapeutics, McGill University, 3655 Prom. Sir William Osler, Montreal, Canada H3G 1Y6
| | - Patrice Naud
- Department of Medicine, Montreal Heart Institute (MHI), Université de Montréal, 5000 Belanger Street, Montreal, Quebec, CanadaH1T 1C8
| | - Jiening Xiao
- Department of Medicine, Montreal Heart Institute (MHI), Université de Montréal, 5000 Belanger Street, Montreal, Quebec, CanadaH1T 1C8
| | - Deanna K Sosnowski
- Department of Medicine, Montreal Heart Institute (MHI), Université de Montréal, 5000 Belanger Street, Montreal, Quebec, CanadaH1T 1C8
- Department of Pharmacology and Therapeutics, McGill University, 3655 Prom. Sir William Osler, Montreal, Canada H3G 1Y6
| | - Ewen Le Quilliec
- Department of Medicine, Montreal Heart Institute (MHI), Université de Montréal, 5000 Belanger Street, Montreal, Quebec, CanadaH1T 1C8
| | - Arnela Saljic
- Institute of Pharmacology, West German Heart and Vascular Center, Faculty of Medicine, University Duisburg-Essen, Hufelandstr 55, Essen, Germany D-45122
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Norregade 10 P.O. Box 2177, Copenhagen, Denmark
| | - Issam H Abu-Taha
- Institute of Pharmacology, West German Heart and Vascular Center, Faculty of Medicine, University Duisburg-Essen, Hufelandstr 55, Essen, Germany D-45122
| | - Markus Kamler
- Department of Thoracic and Cardiovascular Surgery, West German Heart and Vascular Center Essen, University Hospital Essen, Hufelanstr 55, Essen, Germany 45122
| | - Charles-Alexandre LeBlanc
- Department of Medicine, Montreal Heart Institute (MHI), Université de Montréal, 5000 Belanger Street, Montreal, Quebec, CanadaH1T 1C8
| | - Doa’a G F Al-U’Datt
- Department of Physiology and Biochemistry, Faculty of Medicine, Jordan University of Science and Technology, P.O. Box 3030 Irbid, Jordan 22110
| | - Martin G Sirois
- Department of Medicine, Montreal Heart Institute (MHI), Université de Montréal, 5000 Belanger Street, Montreal, Quebec, CanadaH1T 1C8
| | - Terence E Hebert
- Department of Pharmacology and Therapeutics, McGill University, 3655 Prom. Sir William Osler, Montreal, Canada H3G 1Y6
| | - Jean-François Tanguay
- Department of Medicine, Montreal Heart Institute (MHI), Université de Montréal, 5000 Belanger Street, Montreal, Quebec, CanadaH1T 1C8
| | - Jean-Claude Tardif
- Department of Medicine, Montreal Heart Institute (MHI), Université de Montréal, 5000 Belanger Street, Montreal, Quebec, CanadaH1T 1C8
| | - Dobromir Dobrev
- Department of Medicine, Montreal Heart Institute (MHI), Université de Montréal, 5000 Belanger Street, Montreal, Quebec, CanadaH1T 1C8
- Department of Pharmacology and Therapeutics, McGill University, 3655 Prom. Sir William Osler, Montreal, Canada H3G 1Y6
- Institute of Pharmacology, West German Heart and Vascular Center, Faculty of Medicine, University Duisburg-Essen, Hufelandstr 55, Essen, Germany D-45122
- Department of Physiology and Biochemistry, Faculty of Medicine, Jordan University of Science and Technology, P.O. Box 3030 Irbid, Jordan 22110
| | - Stanley Nattel
- Department of Medicine, Montreal Heart Institute (MHI), Université de Montréal, 5000 Belanger Street, Montreal, Quebec, CanadaH1T 1C8
- Department of Pharmacology and Therapeutics, McGill University, 3655 Prom. Sir William Osler, Montreal, Canada H3G 1Y6
- Institute of Pharmacology, West German Heart and Vascular Center, Faculty of Medicine, University Duisburg-Essen, Hufelandstr 55, Essen, Germany D-45122
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Norregade 10 P.O. Box 2177, Copenhagen, Denmark
- IHU Liryc and Fondation Bordeaux Université, 166 cours de l'Argonne, Bordeaux, France 33000
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Ninni S, Dombrowicz D, de Winther M, Staels B, Montaigne D, Nattel S. Genetic Factors Altering Immune Responses in Atrial Fibrillation: JACC Review Topic of the Week. J Am Coll Cardiol 2024; 83:1163-1176. [PMID: 38508850 DOI: 10.1016/j.jacc.2023.12.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 12/14/2023] [Accepted: 12/19/2023] [Indexed: 03/22/2024]
Abstract
Atrial fibrillation (AF) is the most common cardiac arrhythmia worldwide and is associated with a range of adverse clinical outcomes. Accumulating evidence points to inflammatory processes resulting from innate immune responses as a cornerstone in AF pathogenesis. Genetic and epigenetic factors affecting leukocytes have been identified as key modulators of the inflammatory response. Inherited variants in genes encoding proteins involved in the innate immune response have been associated with increased risk for AF recurrence and stroke in AF patients. Furthermore, acquired somatic mutations associated with clonal hematopoiesis of indeterminate potential, leukocyte telomere shortening, and epigenetic age acceleration contribute to increased AF risk. In individuals carrying clonal hematopoiesis of indeterminate potential, myocardial monocyte-derived macrophage shift toward a proinflammatory phenotype may precipitate AF. Further studies are needed to better understand the role of genetic regulation of the native immune response in atrial arrhythmogenesis and its therapeutic potential as a target for personalized medicine.
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Affiliation(s)
- Sandro Ninni
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France; Department of Medicine and Research Center, Montreal Heart Institute and Université de Montréal, Montréal, Québec, Canada
| | - David Dombrowicz
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Menno de Winther
- Department of Medical Biochemistry, Amsterdam Cardiovascular Sciences: Atherosclerosis & Ischemic Syndromes; Amsterdam Infection and Immunity: Inflammatory diseases; Amsterdam UMC location University of Amsterdam, Amsterdam, the Netherlands
| | - Bart Staels
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - David Montaigne
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Stanley Nattel
- Department of Medicine and Research Center, Montreal Heart Institute and Université de Montréal, Montréal, Québec, Canada; Department of Thoracic and Cardiovascular Surgery, West German Heart and Vascular Center Essen, University Hospital Essen, Essen, Germany; Institut hospitalo-universitaire Liryc and Fondation Bordeaux Université, Bordeaux, France.
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Pan LY, Song J. Association of red cell distribution width/albumin ratio and in hospital mortality in patients with atrial fibrillation base on medical information mart for intensive care IV database. BMC Cardiovasc Disord 2024; 24:174. [PMID: 38515030 PMCID: PMC10956318 DOI: 10.1186/s12872-024-03839-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 03/12/2024] [Indexed: 03/23/2024] Open
Abstract
BACKGROUND Atrial fibrillation (AF) is a common cardiac arrhythmia. The ratio of red cell distribution width (RDW) to albumin has been recognized as a reliable prognostic marker for poor outcomes in a variety of diseases. However, the evidence regarding the association between RDW to albumin ratio (RAR) and in hospital mortality in patients with AF admitted to the Intensive Care Unit (ICU) currently was unclear. The purpose of this study was to explore the association between RAR and in hospital mortality in patients with AF in the ICU. METHODS This retrospective cohort study used data from the Medical Information Mart for Intensive Care IV (MIMIC-IV) database for the identification of patients with atrial fibrillation (AF). The primary endpoint investigated was in-hospital mortality. Multivariable-adjusted Cox regression analysis and forest plots were utilized to evaluate the correlation between the RAR and in-hospital mortality among patients with AF admitted to ICU. Additionally, receiver operating characteristic (ROC) curves were conducted to assess and compare the predictive efficacy of RDW and the RAR. RESULTS Our study included 4,584 patients with AF with a mean age of 75.1 ± 12.3 years, 57% of whom were male. The in-hospital mortality was 20.3%. The relationship between RAR and in-hospital mortality was linear. The Cox proportional hazard model, adjusted for potential confounders, found a high RAR independently associated with in hospital mortality. For each increase of 1 unit in RAR, there is a 12% rise in the in-hospital mortality rate (95% CI 1.06-1.19). The ROC curves revealed that the discriminatory ability of the RAR was better than that of RDW. The area under the ROC curves (AUCs) for RAR and RDW were 0.651 (95%CI: 0.631-0.671) and 0.599 (95% CI: 0.579-0.620). CONCLUSIONS RAR is independently correlated with in hospital mortality and in AF. High level of RAR is associated with increased in-hospital mortality rates.
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Affiliation(s)
- Li-Ya Pan
- Department of Cardiology, The Second Affiliated Hospital, Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Jing Song
- Department of Cardiology, The Second Affiliated Hospital, Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China.
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Li W, Cheng X, Zhu G, Hu Y, Wang Y, Niu Y, Li H, Aierken A, Li J, Feng L, Liu G. A review of chemotherapeutic drugs-induced arrhythmia and potential intervention with traditional Chinese medicines. Front Pharmacol 2024; 15:1340855. [PMID: 38572424 PMCID: PMC10987752 DOI: 10.3389/fphar.2024.1340855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Accepted: 03/05/2024] [Indexed: 04/05/2024] Open
Abstract
Significant advances in chemotherapy drugs have reduced mortality in patients with malignant tumors. However, chemotherapy-related cardiotoxicity increases the morbidity and mortality of patients, and has become the second leading cause of death after tumor recurrence, which has received more and more attention in recent years. Arrhythmia is one of the common types of chemotherapy-induced cardiotoxicity, and has become a new risk related to chemotherapy treatment, which seriously affects the therapeutic outcome in patients. Traditional Chinese medicine has experienced thousands of years of clinical practice in China, and has accumulated a wealth of medical theories and treatment formulas, which has unique advantages in the prevention and treatment of malignant diseases. Traditional Chinese medicine may reduce the arrhythmic toxicity caused by chemotherapy without affecting the anti-cancer effect. This paper mainly discussed the types and pathogenesis of secondary chemotherapeutic drug-induced arrhythmia (CDIA), and summarized the studies on Chinese medicine compounds, Chinese medicine Combination Formula and Chinese medicine injection that may be beneficial in intervention with secondary CDIA including atrial fibrillation, ventricular arrhythmia and sinus bradycardia, in order to provide reference for clinical prevention and treatment of chemotherapy-induced arrhythmias.
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Affiliation(s)
- Weina Li
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiaozhen Cheng
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Guanghui Zhu
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Ying Hu
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine (National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion), Tianjin, China
| | - Yunhan Wang
- Henan Province Hospital of Traditional Chinese Medicine (The Second Affiliated Hospital of Henan University of Traditional Chinese Medicine), Zhengzhou, Henan, China
| | - Yueyue Niu
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Hongping Li
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Aikeremu Aierken
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jie Li
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Ling Feng
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Guifang Liu
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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Ye T, Yang J, Liu Z, Yu Y, Zhang C, Guo Y, Yu F, Zhou Y, Song Z, Shi J, Wang L, Yang B, Wang X. Inhibition of the P2X7 receptor prevents atrial proarrhythmic remodeling in experimental post-operative atrial fibrillation. Int Immunopharmacol 2024; 129:111536. [PMID: 38320354 DOI: 10.1016/j.intimp.2024.111536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 01/10/2024] [Accepted: 01/10/2024] [Indexed: 02/08/2024]
Abstract
BACKGROUND Post-operative atrial fibrillation (POAF) is a common complication in patients undergoing cardiac surgery. The purinergic receptor P2X7 (P2X7R) is involved in some cardiovascular diseases, whereas its effects on atrial fibrillation (AF) are unclear. OBJECTIVE This study was to assess the effect of P2X7R on atrial arrhythmogenic remodeling in the rat model of sterile pericarditis (SP). METHODS Male Sprague-Dawley (SD) rats were used to induce the SP model. Electrocardiogram, atrial electrophysiological protocol, histology, mRNA sequencing, real-time quantitative PCR, western blot, and Elisa assay were performed. RESULTS SP significantly up-regulated P2X7R expression; increased AF susceptibility; reduced the protein expression of ion channels including Nav1.5, Cav1.2, Kv4.2, Kv4.3, and Kv1.5; caused atrial fibrosis; increased norepinephrine (NE) level in plasma; promoted the production of inflammatory cytokines such as TNF-α, IL-1β, and IL-6; increased the accumulation of immune cells (CD68- and MPO- positive cells); and activated NLRP3 inflammasome signaling pathway. P2X7R antagonist Brilliant Blue G (BBG) mitigated SP-induced alterations. The mRNA sequencing demonstrated that BBG prevented POAF mainly by regulating the immune system. In addition, another selective P2X7R antagonist A740003, and IL-1R antagonist anakinra also reduced AF inducibility in the SP model. CONCLUSIONS P2X7R inhibition prevents SP-induced atrial proarrhythmic remodeling, which is closely associated with the improvement of inflammatory changes, ion channel expression, atrial fibrosis, and sympathetic activation. The findings point to P2X7R inhibition as a promising target for AF (particularly POAF) and perhaps other conditions.
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Affiliation(s)
- Tianxin Ye
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
| | - Jinxiu Yang
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
| | - Zhangchi Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, PR China; Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, Wuhan 430060, PR China
| | - Yi Yu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, PR China; Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, Wuhan 430060, PR China
| | - Cui Zhang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, PR China; Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, Wuhan 430060, PR China
| | - Yan Guo
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
| | - Fangcong Yu
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
| | - Yunping Zhou
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
| | - Zhuonan Song
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
| | - Jiaran Shi
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
| | - Longbo Wang
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
| | - Bo Yang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, PR China; Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, Wuhan 430060, PR China.
| | - Xingxiang Wang
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China.
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Hegemann N, Barth L, Döring Y, Voigt N, Grune J. Implications for neutrophils in cardiac arrhythmias. Am J Physiol Heart Circ Physiol 2024; 326:H441-H458. [PMID: 38099844 PMCID: PMC11219058 DOI: 10.1152/ajpheart.00590.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 12/08/2023] [Accepted: 12/13/2023] [Indexed: 02/03/2024]
Abstract
Cardiac arrhythmias commonly occur as a result of aberrant electrical impulse formation or conduction in the myocardium. Frequently discussed triggers include underlying heart diseases such as myocardial ischemia, electrolyte imbalances, or genetic anomalies of ion channels involved in the tightly regulated cardiac action potential. Recently, the role of innate immune cells in the onset of arrhythmic events has been highlighted in numerous studies, correlating leukocyte expansion in the myocardium to increased arrhythmic burden. Here, we aim to call attention to the role of neutrophils in the pathogenesis of cardiac arrhythmias and their expansion during myocardial ischemia and infectious disease manifestation. In addition, we will elucidate molecular mechanisms associated with neutrophil activation and discuss their involvement as direct mediators of arrhythmogenicity.
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Affiliation(s)
- Niklas Hegemann
- Department of Cardiothoracic and Vascular Surgery, Deutsches Herzzentrum der Charité (DHZC), Berlin, Germany
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
- German Centre for Cardiovascular Research (DZHK), Berlin, Germany
| | - Lukas Barth
- Department of Cardiothoracic and Vascular Surgery, Deutsches Herzzentrum der Charité (DHZC), Berlin, Germany
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
- German Centre for Cardiovascular Research (DZHK), Berlin, Germany
| | - Yannic Döring
- Institute of Pharmacology and Toxicology, University Medical Center Göttingen, Georg August University Göttingen, Göttingen, Germany
- German Centre for Cardiovascular Research (DZHK), Göttingen, Germany
| | - Niels Voigt
- Institute of Pharmacology and Toxicology, University Medical Center Göttingen, Georg August University Göttingen, Göttingen, Germany
- German Centre for Cardiovascular Research (DZHK), Göttingen, Germany
- Cluster of Excellence "Multiscale Bioimaging: from Molecular Machines to Networks of Excitable Cells" (MBExC), University of Göttingen, Göttingen, Germany
| | - Jana Grune
- Department of Cardiothoracic and Vascular Surgery, Deutsches Herzzentrum der Charité (DHZC), Berlin, Germany
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
- German Centre for Cardiovascular Research (DZHK), Berlin, Germany
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Suero OR, Ali AK, Barron LR, Segar MW, Moon MR, Chatterjee S. Postoperative atrial fibrillation (POAF) after cardiac surgery: clinical practice review. J Thorac Dis 2024; 16:1503-1520. [PMID: 38505057 PMCID: PMC10944787 DOI: 10.21037/jtd-23-1626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 01/18/2024] [Indexed: 03/21/2024]
Abstract
Postoperative atrial fibrillation (POAF) after cardiac surgery is associated with elevated morbidity and mortality. Although current prediction models have limited efficacy, several perioperative interventions can reduce patients' risk of POAF. These begin with preoperative medications, including beta-blockers and amiodarone. Moreover, patients should be screened for preexisting atrial fibrillation (AF) so that concomitant surgical ablation and left atrial appendage occlusion can be performed in appropriate candidates. Intraoperative interventions such as posterior pericardiectomy can reduce mediastinal fluid accumulation, which is a trigger for POAF. Furthermore, many preventive strategies for POAF are implemented in the immediate postoperative period. Initiating beta-blockers, amiodarone, or both is reasonable for most patients. Overdrive atrial pacing, colchicine, and steroids have been used by some, although the evidence base is less robust. For patients with POAF, rate-control and rhythm-control strategies have comparable outcomes. Decision-making regarding anticoagulation should recognize that the stroke risk associated with POAF appears to be lower than that for general nonvalvular AF. The evidence that oral anticoagulation reduces stroke risk is less clear for POAF patients than for patients with general nonvalvular AF. Given that POAF tends to be shorter-lived and is associated with greater bleeding risks in the perioperative period, decisions regarding anticoagulation should be individualized. Finally, wearable technology and machine learning algorithms for better predicting and managing POAF appear to be coming soon. These technologies and a comprehensive clinical program could meaningfully reduce the incidence of this common complication.
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Affiliation(s)
- Orlando R. Suero
- Divisions of Cardiovascular Anesthesia & Critical Care Medicine, Department of Anesthesiology, Baylor College of Medicine, Houston, TX, USA
| | - Ahmed K. Ali
- Division of Cardiothoracic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, USA
| | - Lauren R. Barron
- Division of Cardiothoracic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, USA
- Department of Cardiovascular Surgery, The Texas Heart Institute, Houston, TX, USA
| | - Matthew W. Segar
- Department of Cardiology, The Texas Heart Institute, Houston, TX, USA
| | - Marc R. Moon
- Division of Cardiothoracic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, USA
- Department of Cardiovascular Surgery, The Texas Heart Institute, Houston, TX, USA
| | - Subhasis Chatterjee
- Division of Cardiothoracic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, USA
- Department of Cardiovascular Surgery, The Texas Heart Institute, Houston, TX, USA
- Division of General Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, USA
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Soni S, Tabatabaei Dakhili SA, Ussher JR, Dyck JRB. The therapeutic potential of ketones in cardiometabolic disease: impact on heart and skeletal muscle. Am J Physiol Cell Physiol 2024; 326:C551-C566. [PMID: 38193855 PMCID: PMC11192481 DOI: 10.1152/ajpcell.00501.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 12/15/2023] [Accepted: 12/15/2023] [Indexed: 01/10/2024]
Abstract
β-Hydroxybutyrate (βOHB) is the major ketone in the body, and it is recognized as a metabolic energy source and an important signaling molecule. While ketone oxidation is essential in the brain during prolonged fasting/starvation, other organs such as skeletal muscle and the heart also use ketones as metabolic substrates. Additionally, βOHB-mediated molecular signaling events occur in heart and skeletal muscle cells, and via metabolism and/or signaling, ketones may contribute to optimal skeletal muscle health and cardiac function. Of importance, when the use of ketones for ATP production and/or as signaling molecules becomes disturbed in the presence of underlying obesity, type 2 diabetes, and/or cardiovascular diseases, these changes may contribute to cardiometabolic disease. As a result of these disturbances in cardiometabolic disease, multiple approaches have been used to elevate circulating ketones with the goal of optimizing either ketone metabolism or ketone-mediated signaling. These approaches have produced significant improvements in heart and skeletal muscle during cardiometabolic disease with a wide range of benefits that include improved metabolism, weight loss, better glycemic control, improved cardiac and vascular function, as well as reduced inflammation and oxidative stress. Herein, we present the evidence that indicates that ketone therapy could be used as an approach to help treat cardiometabolic diseases by targeting cardiac and skeletal muscles.
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Affiliation(s)
- Shubham Soni
- Cardiovascular Research Centre, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
- Department of Pediatrics, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Seyed Amirhossein Tabatabaei Dakhili
- Cardiovascular Research Centre, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - John R Ussher
- Cardiovascular Research Centre, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Jason R B Dyck
- Cardiovascular Research Centre, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
- Department of Pediatrics, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
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Vinciguerra M, Dobrev D, Nattel S. Atrial fibrillation: pathophysiology, genetic and epigenetic mechanisms. THE LANCET REGIONAL HEALTH. EUROPE 2024; 37:100785. [PMID: 38362554 PMCID: PMC10866930 DOI: 10.1016/j.lanepe.2023.100785] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 09/08/2023] [Accepted: 11/02/2023] [Indexed: 02/17/2024]
Abstract
Atrial fibrillation (AF) is the most common supraventricular arrhythmia affecting up to 1% of the general population. Its prevalence dramatically increases with age and could reach up to ∼10% in the elderly. The management of AF is a complex issue that is object of extensive ongoing basic and clinical research, it depends on its genetic and epigenetic causes, and it varies considerably geographically and also according to the ethnicity. Mechanistically, over the last decade, Genome Wide Association Studies have uncovered over 100 genetic loci associated with AF, and have shown that European ancestry is associated with elevated risk of AF. These AF-associated loci revolve around different types of disturbances, including inflammation, electrical abnormalities, and structural remodeling. Moreover, the discovery of epigenetic regulatory mechanisms, involving non-coding RNAs, DNA methylation and histone modification, has allowed unravelling what modifications reshape the processes leading to arrhythmias. Our review provides a current state of the field regarding the identification and functional characterization of AF-related genetic and epigenetic regulatory networks, including ethnic differences. We discuss clear and emerging connections between genetic regulation and pathophysiological mechanisms of AF.
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Affiliation(s)
- Manlio Vinciguerra
- Department of Translational Stem Cell Biology, Research Institute, Medical University of Varna, Varna, Bulgaria
- Liverpool Centre for Cardiovascular Science, Faculty of Health, Liverpool John Moores University, Liverpool, United Kingdom
| | - Dobromir Dobrev
- Institute of Pharmacology, West German Heart and Vascular Center, University Duisburg-Essen, Duisburg, Germany
- Department of Medicine and Research Center, Montreal Heart Institute and Université de Montréal, Montréal, Canada
- Department of Integrative Physiology, Baylor College of Medicine, Houston, TX, USA
| | - Stanley Nattel
- Institute of Pharmacology, West German Heart and Vascular Center, University Duisburg-Essen, Duisburg, Germany
- Department of Medicine and Research Center, Montreal Heart Institute and Université de Montréal, Montréal, Canada
- Department of Cardiology, Cardiovascular Research Institute Maastricht, Faculty of Health, Medicine, and Life Sciences, Maastricht University, Maastricht, Netherlands
- IHU LIRYC and Fondation Bordeaux Université, Bordeaux, France
- Department of Pharmacology and Therapeutics, McGill University, Montreal, Quebec, Canada
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Saljic A, Heijman J. P2X7 receptors: central drivers of the neurocardiac link between atrial fibrillation and depression? Europace 2024; 26:euae023. [PMID: 38261750 PMCID: PMC10873697 DOI: 10.1093/europace/euae023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 01/18/2024] [Indexed: 01/25/2024] Open
Affiliation(s)
- Arnela Saljic
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Blegdamsvej 3, BDK-2200 Copenhagen, Denmark
| | - Jordi Heijman
- Gottfried Schatz Research Center, Division of Medical Physics & Biophysics, Medical University of Graz, Neue Stiftingtalstraße 6, 8010 Graz, Austria
- Department of Cardiology, Maastricht University Medical Centre and Cardiovascular Research Institute Maastricht, Maastricht University, Universiteitssingel 50, 6229 ER, Maastricht, The Netherlands
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Fu X, Iglesias-Álvarez D, García-Campos A, Martínez-Monzonís MA, Almenglo C, Martinez-Cereijo JM, Reija L, Fernandez ÁL, Gonzalez-Juanatey JR, Rodriguez-Manero M, Eiras S. Enhanced Levels of Adiposity, Stretch and Fibrosis Markers in Patients with Coexistent Heart Failure and Atrial Fibrillation. J Cardiovasc Transl Res 2024; 17:13-23. [PMID: 37878196 DOI: 10.1007/s12265-023-10454-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 10/11/2023] [Indexed: 10/26/2023]
Abstract
The coexistence of heart failure (HF) and atrial fibrillation (AF) worsens the prognosis of patients. We aimed to study the inflammation, metabolism, adiposity, and fibrosis markers on epicardial and subcutaneous fat and blood, and their relationship with HF and AF. Samples from 185 patients undergoing cardiac surgery were collected. Levels of multi-markers on fat biopsies and plasma were analyzed. Patients were grouped by HF or AF presence. Plasma adiposity markers were increased in AF patients, while increased stretch markers correlated with HF. Patients with both AF and HF had higher ANP and GDF-15 levels. After excluding AF patients, plasma FABP4 was identified as the main HF predictor. Fat biopsies from AF patients showed an enhanced inflammatory profile. Higher levels of adiposity markers are associated with AF or HF, and higher stretch and fibrosis markers with combined AF and HF, suggesting a role of adiposity-fibrosis pathway in HF and AF coexistence.
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Affiliation(s)
- Xiaoran Fu
- Translational Cardiology Group, Health Research Institute of Santiago de Compostela, Santiago de Compostela, Spain
- University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Diego Iglesias-Álvarez
- Cardiovascular Area, University Hospital of Santiago de Compostela, Santiago de Compostela, Spain
| | - Ana García-Campos
- Cardiovascular Area, University Hospital of Santiago de Compostela, Santiago de Compostela, Spain
- CIBERCV, Madrid, Spain
| | | | - Cristina Almenglo
- Translational Cardiology Group, Health Research Institute of Santiago de Compostela, Santiago de Compostela, Spain
| | | | - Laura Reija
- Heart Surgery Department, University Hospital of Santiago de Compostela, Santiago de Compostela, Spain
| | - Ángel Luis Fernandez
- CIBERCV, Madrid, Spain
- Heart Surgery Department, University Hospital of Santiago de Compostela, Santiago de Compostela, Spain
| | - Jose Ramón Gonzalez-Juanatey
- Cardiovascular Area, University Hospital of Santiago de Compostela, Santiago de Compostela, Spain
- CIBERCV, Madrid, Spain
- Medicine Department, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Moises Rodriguez-Manero
- Translational Cardiology Group, Health Research Institute of Santiago de Compostela, Santiago de Compostela, Spain
- Cardiovascular Area, University Hospital of Santiago de Compostela, Santiago de Compostela, Spain
- CIBERCV, Madrid, Spain
| | - Sonia Eiras
- Translational Cardiology Group, Health Research Institute of Santiago de Compostela, Santiago de Compostela, Spain.
- CIBERCV, Madrid, Spain.
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Shakir M, Hassan SM, Adil U, Abidi SMA, Ali SA. Unveiling the silent threat of new onset atrial fibrillation in covid-19 hospitalized patients: A retrospective cohort study. PLoS One 2024; 19:e0291829. [PMID: 38241337 PMCID: PMC10798512 DOI: 10.1371/journal.pone.0291829] [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: 03/29/2023] [Accepted: 09/06/2023] [Indexed: 01/21/2024] Open
Abstract
BACKGROUND COVID-19, a highly infectious respiratory disease, has been associated with a range of cardiovascular complications. One of the most commonly reported cardiovascular issues in COVID-19 patients is the development of arrhythmias. Among all types of arrhythmias, atrial fibrillation is the most frequently observed. Atrial fibrillation is characterized by an irregular and often rapid heartbeat, and it can be a serious and potentially life-threatening condition. OBJECTIVE To investigate the incidence and association of new onset atrial fibrillation in COVID-19 hospitalized patients and its impact on survival. METHOD A retrospective cross-sectional study that encompassed all patients, both positive and negative for COVID-19, who were consecutively admitted to the Aga Khan University Hospital in Karachi, a tertiary care facility, from June 2021 to December 2021. RESULTS A total of 1,313 patients who met the inclusion criteria of our study were enrolled as participants. These patients were then stratified into two groups based on COVID-19 status: the study group (COVID-19 positive) comprised 626 (47.7%) patients and the control group (COVID-19 negative) consisted of 687 (52.3%) patients. The incidence of new-onset atrial fibrillation was 85 (13.6%) in COVID-19 positive compared to 43 (5.2%) in COVID-19 negative group. The study found a strong association between COVID-19 and new-onset atrial fibrillation in both univariate (unadjusted odd ratio 2.35 [95% CI, 1.60-3.45], p-value < 0.01) and a multiple-adjusted regression analysis (adjusted odd ratio 3.86 [95% CI, 2.31-6.44], p-value < 0.01). CONCLUSION These findings highlight the importance of vigilant monitoring of cardiovascular complications in COVID-19 patients, especially those with pre-existing conditions that predispose them to the development of atrial fibrillation. The study underscores the need for prompt recognition and management of new onset atrial fibrillation in COVID-19 patients, as this may mitigate the risk of adverse outcomes and improve overall prognosis.
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Affiliation(s)
- Muhammad Shakir
- Department of Surgery, The Aga Khan University Hospital Karachi, Karachi, Pakistan
| | - Syed Muhammad Hassan
- Department of Internal Medicine, The Aga Khan University Hospital Karachi, Karachi, Pakistan
| | - Ursala Adil
- Department of Family Medicine, The Aga Khan University Hospital Karachi, Karachi, Pakistan
| | | | - Syed Ahsan Ali
- Department of Internal Medicine, The Aga Khan University Hospital Karachi, Karachi, Pakistan
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41
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Balan AI, Halațiu VB, Scridon A. Oxidative Stress, Inflammation, and Mitochondrial Dysfunction: A Link between Obesity and Atrial Fibrillation. Antioxidants (Basel) 2024; 13:117. [PMID: 38247541 PMCID: PMC10812976 DOI: 10.3390/antiox13010117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 01/11/2024] [Accepted: 01/16/2024] [Indexed: 01/23/2024] Open
Abstract
The adipose tissue has long been thought to represent a passive source of triglycerides and fatty acids. However, extensive data have demonstrated that the adipose tissue is also a major endocrine organ that directly or indirectly affects the physiological functions of almost all cell types. Obesity is recognized as a risk factor for multiple systemic conditions, including metabolic syndrome, type 2 diabetes mellitus, sleep apnea, cardiovascular disorders, and many others. Obesity-related changes in the adipose tissue induce functional and structural changes in cardiac myocytes, promoting a wide range of cardiovascular disorders, including atrial fibrillation (AF). Due to the wealth of epidemiologic data linking AF to obesity, the mechanisms underlying AF occurrence in obese patients are an area of rich ongoing investigation. However, progress has been somewhat slowed by the complex phenotypes of both obesity and AF. The triad inflammation, oxidative stress, and mitochondrial dysfunction are critical for AF pathogenesis in the setting of obesity via multiple structural and functional proarrhythmic changes at the level of the atria. The aim of this paper is to provide a comprehensive view of the close relationship between obesity-induced oxidative stress, inflammation, and mitochondrial dysfunction and the pathogenesis of AF. The clinical implications of these mechanistic insights are also discussed.
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Affiliation(s)
- Alkora Ioana Balan
- Center for Advanced Medical and Pharmaceutical Research, University of Medicine, Pharmacy, Science and Technology “George Emil Palade” of Târgu Mureș, 540142 Târgu Mureș, Romania;
| | - Vasile Bogdan Halațiu
- Physiology Department, University of Medicine, Pharmacy, Science and Technology “George Emil Palade” of Târgu Mureș, 540142 Târgu Mureș, Romania;
| | - Alina Scridon
- Center for Advanced Medical and Pharmaceutical Research, University of Medicine, Pharmacy, Science and Technology “George Emil Palade” of Târgu Mureș, 540142 Târgu Mureș, Romania;
- Physiology Department, University of Medicine, Pharmacy, Science and Technology “George Emil Palade” of Târgu Mureș, 540142 Târgu Mureș, Romania;
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42
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Sotoudeheian M, Mirahmadi SMS, Pirhayati M, Azarbad R, Nematollahi S, Taghizadeh M, Pazoki-Toroudi H. Understanding the Role of Galectin-1 in Heart Failure: A Comprehensive Narrative Review. Curr Cardiol Rev 2024; 20:CCR-EPUB-137063. [PMID: 38192129 PMCID: PMC11071677 DOI: 10.2174/011573403x274886231227111902] [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: 09/07/2023] [Revised: 11/27/2023] [Accepted: 12/01/2023] [Indexed: 01/10/2024] Open
Abstract
Heart failure (HF) is the fastest-growing cardiovascular condition worldwide. The immune system may play a role in the development of HF since this condition is associated with elevated pro-inflammatory cytokine levels. HF is a life-threatening disease, and there is an increasing demand for diagnostic biomarkers, prognostic factors, and therapeutic agents that can help treat it. Galectin-1 (Gal-1) is the prototype galectin of the lectin family. Multiple signal transduction pathways are regulated by Ras proteins, which act as a molecular switch in cells. Gal-1 regulates T and B cell activation, differentiation, and survival. Gal-1 has been linked to inflammation. Activated T cells produce Gal-1 through an autocrine apoptotic mechanism involving MEK1/ERK and p38 MAPK. In the cardiovascular system, atherosclerosis is facilitated by Gal-1. Heart disease, myocardial infarction, hypertension, and stroke can be caused by atherosclerotic plaque. HF and heart hypertrophy are caused by decreased cardiac L-type Ca2+ channel activity. Deregulation of Gal-1 and CaV1.2 in pathological cardiac hypertrophy suggests a possible target for anti-hypertrophic therapy. Rat hypertrophic cardiomyocytes express Gal-1 and CaV1.2 channels simultaneously. It has been reported that diastolic dysfunction (DD) is associated with elevated Gal-1 levels. The high Gal-1 level in subjects led to the lowest cumulative survival as a composite endpoint. Incidences of HF, DD, and serum Gal-1 levels correlated significantly. The ejection fraction was negatively correlated with Gal-1 and CRP concentrations. Based on two different approaches in mice and humans, Gal-1 was identified as a potential mediator of HF.
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Affiliation(s)
- Mohammadjavad Sotoudeheian
- Physiology Research Center, Department of Physiology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | | | - Mohammad Pirhayati
- Department of General Medicine, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Reza Azarbad
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | | | - Mehdi Taghizadeh
- Cardiology Resident, Department of Cardiology, Shahid Madani Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamidreza Pazoki-Toroudi
- Physiology Research Center, Department of Physiology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
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Song J, Wu J, Robichaux DJ, Li T, Wang S, Arredondo Sancristobal MJ, Dong B, Dobrev D, Karch J, Thomas SS, Li N. A High-Protein Diet Promotes Atrial Arrhythmogenesis via Absent-in-Melanoma 2 Inflammasome. Cells 2024; 13:108. [PMID: 38247800 PMCID: PMC10814244 DOI: 10.3390/cells13020108] [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: 12/17/2023] [Revised: 12/29/2023] [Accepted: 01/03/2024] [Indexed: 01/23/2024] Open
Abstract
High-protein diets (HPDs) offer health benefits, such as weight management and improved metabolic profiles. The effects of HPD on cardiac arrhythmogenesis remain unclear. Atrial fibrillation (AF), the most common arrhythmia, is associated with inflammasome activation. The role of the Absent-in-Melanoma 2 (AIM2) inflammasome in AF pathogenesis remains unexplored. In this study, we discovered that HPD increased susceptibility to AF. To demonstrate the involvement of AIM2 signaling in the pathogenesis of HPD-induced AF, wildtype (WT) and Aim2-/- mice were fed normal-chow (NC) and HPD, respectively. Four weeks later, inflammasome activity was upregulated in the atria of WT-HPD mice, but not in the Aim2-/--HPD mice. The increased AF vulnerability in WT-HPD mice was associated with abnormal sarcoplasmic reticulum (SR) Ca2+-release events in atrial myocytes. HPD increased the cytoplasmic double-strand (ds) DNA level, causing AIM2 activation. Genetic inhibition of AIM2 in Aim2-/- mice reduced susceptibility to AF, cytoplasmic dsDNA level, mitochondrial ROS production, and abnormal SR Ca2+-release in atrial myocytes. These data suggest that HPD creates a substrate conducive to AF development by activating the AIM2-inflammasome, which is associated with mitochondrial oxidative stress along with proarrhythmic SR Ca2+-release. Our data imply that targeting the AIM2 inflammasome might constitute a novel anti-AF strategy in certain patient subpopulations.
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Affiliation(s)
- Jia Song
- Department of Medicine, Section of Cardiovascular Research, Baylor College of Medicine, Houston, TX 77030, USA (M.J.A.S.)
| | - Jiao Wu
- Department of Medicine, Section of Nephrology, Houston, TX 77030, USA
| | - Dexter J. Robichaux
- Department of Integrative Physiology, Baylor College of Medicine, Houston, TX 77030, USA (D.D.)
| | - Tingting Li
- Department of Medicine, Section of Cardiovascular Research, Baylor College of Medicine, Houston, TX 77030, USA (M.J.A.S.)
| | - Shuyue Wang
- Department of Medicine, Section of Gastroenterology, Baylor College of Medicine, Houston, TX 77030, USA
| | | | - Bingning Dong
- Department of Medicine, Section of Gastroenterology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Dobromir Dobrev
- Department of Integrative Physiology, Baylor College of Medicine, Houston, TX 77030, USA (D.D.)
- Institute of Pharmacology, University Duisburg-Essen, 45147 Essen, Germany
- Department of Medicine, Montreal Heart Institute, Université de Montréal, Montréal, QC H1T 1C8, Canada
| | - Jason Karch
- Department of Integrative Physiology, Baylor College of Medicine, Houston, TX 77030, USA (D.D.)
| | - Sandhya S. Thomas
- Department of Medicine, Section of Nephrology, Houston, TX 77030, USA
- Michael E. Debakey VA Medical Center, Houston, TX 77030, USA
| | - Na Li
- Department of Medicine, Section of Cardiovascular Research, Baylor College of Medicine, Houston, TX 77030, USA (M.J.A.S.)
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Ball J, Neumann JT, Tonkin AM, Kirchhof P, Freedman B, Brodtmann A, Reid C, Nelson MR, Beilin LJ, Fitzgerald S, Stub D, Woods RL, McNeil JJ. Low-dose aspirin and incident atrial fibrillation in healthy older individuals: a post-hoc analysis of the ASPREE trial. EUROPEAN HEART JOURNAL. CARDIOVASCULAR PHARMACOTHERAPY 2024; 10:81-82. [PMID: 37951294 PMCID: PMC10766903 DOI: 10.1093/ehjcvp/pvad082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 10/30/2023] [Accepted: 11/09/2023] [Indexed: 11/13/2023]
Affiliation(s)
- J Ball
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria 3004, Australia
- Baker Heart and Diabetes Institute, Melbourne, Victoria 3004, Australia
| | - J T Neumann
- University Heart and Vascular Center Hamburg, University Medical Center Hamburg—Eppendorf, 20251 Hamburg, Germany
- German Center for Cardiovascular Research (DZHK), 10785 Berlin, Germany
| | - A M Tonkin
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria 3004, Australia
| | - P Kirchhof
- University Heart and Vascular Center Hamburg, University Medical Center Hamburg—Eppendorf, 20251 Hamburg, Germany
- German Center for Cardiovascular Research (DZHK), 10785 Berlin, Germany
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham B15 2TT, UK
| | - B Freedman
- Heart Rhythm and Stroke Group, Heart Research Institute, Sydney 2042, Australia
- Charles Perkins Centre, The University of Sydney, Sydney 2050, Australia
| | - A Brodtmann
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria 3004, Australia
- Cognitive Health Initiative, Central Clinical School, Monash University, Melbourne 3004, Australia
| | - C Reid
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria 3004, Australia
- School of Population Health, Curtin University, Perth, Western Australia 6102, Australia
| | - M R Nelson
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria 3004, Australia
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania 7000, Australia
| | - L J Beilin
- UWA Medical School, University of Western Australia, Perth 6009, Australia
| | - S Fitzgerald
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria 3004, Australia
| | - D Stub
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria 3004, Australia
- Baker Heart and Diabetes Institute, Melbourne, Victoria 3004, Australia
- Department of Cardiology, Alfred Health, Melbourne, Victoria 3004, Australia
| | - R L Woods
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria 3004, Australia
| | - J J McNeil
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria 3004, Australia
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45
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Rachieru C, Lighezan DF, Petrescu L, Târtea G, Goanță EV, Buzas R, Cirin L, Cozma D. The Significance of Inflammation in Atrial Fibrillation. CURRENT HEALTH SCIENCES JOURNAL 2024; 50:59-66. [PMID: 38846471 PMCID: PMC11151943 DOI: 10.12865/chsj.50.01.08] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 03/27/2024] [Indexed: 06/09/2024]
Abstract
AIM The aim of the study was to assess the inflammatory status in individuals diagnosed with atrial fibrillation (Afi) and establish an association between this status and the clinicopathological features. MATERIAL AND METHODS Our study was conducted retrospectively and initially involved 278 patients. However, after excluding 27 patients, we ultimately ended up with 167 patients who had an inflammatory status and 84 patients who did not have an inflammatory status. These patients were then analyzed. RESULTS Patients who had inflammation showed higher values for the CHA2DS2-VASc and HAS-BLED scores (P= 0.0132 for CHA2DS2-VASc and P= 0.0024 for HAS-BLED). Also, it was observed that patients with associated inflammation exhibited an increase in both the volume and the area of the left atrium. Patients with hypertension had a higher prevalence of inflammation, with heart failure and with ischemic heart disease. It is worth noting that patients with atrial fibrillation and increased inflammatory status exhibited higher rates of stroke (22.75% vs 10.71% in patients without inflammation, odds ratio = 2.455, 95% confidence interval 1.161 to 5.425, p = 0.0253). CONCLUSIONS Our research has demonstrated that patients diagnosed with atrial fibrillation and exhibiting a heightened inflammatory status also present association with other comorbidities, including hypertension, heart failure, ischemic heart disease, and stroke.
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Affiliation(s)
- Ciprian Rachieru
- Department of Internal Medicine I, Faculty of Medicine, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
- Department of Internal Medicine, Municipal Emergency Hospital, Timisoara, Romania
- Center for Advanced Research in Cardiovascular Pathology and Hemostaseology, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
| | - Daniel-Florin Lighezan
- Department of Internal Medicine I, Faculty of Medicine, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
- Department of Internal Medicine, Municipal Emergency Hospital, Timisoara, Romania
- Center for Advanced Research in Cardiovascular Pathology and Hemostaseology, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
| | - Lucian Petrescu
- Department of Cardiology, Faculty of Medicine, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
- Department of Cardiology, Institute of Cardiovascular Diseases, Timisoara, Romania
| | - Georgică Târtea
- Department of Physiology, University of Medicine and Pharmacy of Craiova, Romania
- Department of Cardiology, Emergency County Hospital of Craiova, Romania
| | - Emilia Violeta Goanță
- Department of Cardiology, Faculty of Medicine, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
- Department of Cardiology, Emergency County Hospital of Craiova, Romania
| | - Roxana Buzas
- Department of Internal Medicine I, Faculty of Medicine, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
- Department of Internal Medicine, Municipal Emergency Hospital, Timisoara, Romania
- Center for Advanced Research in Cardiovascular Pathology and Hemostaseology, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
| | - Liviu Cirin
- Department of Cardiology, Institute of Cardiovascular Diseases, Timisoara, Romania
| | - Dragoș Cozma
- Department of Cardiology, Faculty of Medicine, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
- Department of Cardiology, Institute of Cardiovascular Diseases, Timisoara, Romania
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Xiao Z, Pan Y, Kong B, Meng H, Shuai W, Huang H. Ubiquitin-specific protease 38 promotes inflammatory atrial fibrillation induced by pressure overload. Europace 2023; 26:euad366. [PMID: 38288617 PMCID: PMC10823351 DOI: 10.1093/europace/euad366] [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: 10/25/2023] [Accepted: 12/05/2023] [Indexed: 02/01/2024] Open
Abstract
AIMS Atrial structural and electrical remodelling is a major reason for the initiation and perpetuation of atrial fibrillation (AF). Ubiquitin-specific protease 38 (USP38) is a deubiquitinating enzyme, but its function in the heart remains unknown. The aim of this study was to investigate the effect of USP38 in pressure overload-induced AF. METHODS AND RESULTS Cardiac-specific knockout USP38 and cardiac-specific transgenic USP38 mice and their corresponding control mice were used in this study. After 4 weeks with or without aortic banding (AB) surgery, atrial echocardiography, atrial histology, electrophysiological study, and molecular analysis were assessed. Ubiquitin-specific protease 38 knockout mice showed a remarkable improvement in vulnerability to AF, atrial weight and diameter, atrial fibrosis, and calcium-handling protein expression after AB surgery. Conversely, USP38 overexpression further increased susceptibility to AF by exacerbating atrial structural and electrical remodelling. Mechanistically, USP38 interacted with and deubiquitinated nuclear factor-kappa B (NF-κB), and USP38 overexpression increased the level of p-NF-κB in vivo and in vitro, accompanied by the upregulation of NOD-like receptor protein 3 (NLRP3) and inflammatory cytokines, suggesting that USP38 contributes to adverse effects by driving NF-κB/NLRP3-mediated inflammatory responses. CONCLUSION Overall, our study indicates that USP38 promotes pressure overload-induced AF through targeting NF-κB/NLRP3-mediated inflammatory responses.
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Affiliation(s)
- Zheng Xiao
- Department of Cardiology, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan 430060, Hubei, China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, Hubei, China
- Hubei Key Laboratory of Cardiology, Wuhan 430060, Hubei, China
| | - Yucheng Pan
- Department of Cardiology, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan 430060, Hubei, China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, Hubei, China
- Hubei Key Laboratory of Cardiology, Wuhan 430060, Hubei, China
| | - Bin Kong
- Department of Cardiology, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan 430060, Hubei, China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, Hubei, China
- Hubei Key Laboratory of Cardiology, Wuhan 430060, Hubei, China
| | - Hong Meng
- Department of Cardiology, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan 430060, Hubei, China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, Hubei, China
- Hubei Key Laboratory of Cardiology, Wuhan 430060, Hubei, China
| | - Wei Shuai
- Department of Cardiology, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan 430060, Hubei, China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, Hubei, China
- Hubei Key Laboratory of Cardiology, Wuhan 430060, Hubei, China
| | - He Huang
- Department of Cardiology, Renmin Hospital of Wuhan University, 238 Jiefang Road, Wuhan 430060, Hubei, China
- Cardiovascular Research Institute of Wuhan University, Wuhan 430060, Hubei, China
- Hubei Key Laboratory of Cardiology, Wuhan 430060, Hubei, China
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Lakin R, Polidovitch N, Yang S, Parikh M, Liu X, Debi R, Gao X, Chen W, Guzman C, Yakobov S, Izaddoustdar F, Wauchop M, Lei Q, Xu W, Nedospasov SA, Christoffels VM, Backx PH. Cardiomyocyte and endothelial cells play distinct roles in the tumour necrosis factor (TNF)-dependent atrial responses and increased atrial fibrillation vulnerability induced by endurance exercise training in mice. Cardiovasc Res 2023; 119:2607-2622. [PMID: 37713664 PMCID: PMC10730243 DOI: 10.1093/cvr/cvad144] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 06/22/2023] [Accepted: 07/18/2023] [Indexed: 09/17/2023] Open
Abstract
AIMS Endurance exercise is associated with an increased risk of atrial fibrillation (AF). We previously established that adverse atrial remodelling and AF susceptibility induced by intense exercise in mice require the mechanosensitive and pro-inflammatory cytokine tumour necrosis factor (TNF). The cellular and mechanistic basis for these TNF-mediated effects is unknown. METHODS AND RESULTS We studied the impact of Tnf excision, in either atrial cardiomyocytes or endothelial cells (using Cre-recombinase expression controlled by Nppa or Tie2 promoters, respectively), on the cardiac responses to six weeks of intense swim exercise training. TNF ablation, in either cell type, had no impact on the changes in heart rate, autonomic tone, or left ventricular structure and function induced by exercise training. Tnf excision in atrial cardiomyocytes did, however, prevent atrial hypertrophy, fibrosis, and macrophage infiltration as well as conduction slowing and increased AF susceptibility arising from exercise training. In contrast, endothelial-specific excision only reduced the training-induced atrial hypertrophy. Consistent with these cell-specific effects of Tnf excision, inducing TNF loss from atrial cardiomyocytes prevented activation of p38MAPKinase, a strain-dependent downstream mediator of TNF signalling, without affecting the atrial stretch as assessed by atrial pressures induced by exercise. Despite TNF's established role in innate immune responses and inflammation, neither acute nor chronic exercise training caused measurable NLRP3 inflammasome activation. CONCLUSIONS Our findings demonstrate that adverse atrial remodelling and AF vulnerability induced by intense exercise require TNF in atrial cardiomyocytes whereas the impact of endothelial-derived TNF is limited to hypertrophy modulation. The implications of the cell autonomous effects of TNF and crosstalk between cells in the atria are discussed.
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Affiliation(s)
- Robert Lakin
- Department of Biology, York University, 354 & 357 Farquharson Building, 4700 Keele Street, Toronto, ON M3J 1P3, Canada
| | - Nazari Polidovitch
- Department of Biology, York University, 354 & 357 Farquharson Building, 4700 Keele Street, Toronto, ON M3J 1P3, Canada
| | - Sibao Yang
- Department of Biology, York University, 354 & 357 Farquharson Building, 4700 Keele Street, Toronto, ON M3J 1P3, Canada
- Department of Cardiology, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130022, China
| | - Mihir Parikh
- Department of Biology, York University, 354 & 357 Farquharson Building, 4700 Keele Street, Toronto, ON M3J 1P3, Canada
| | - Xueyan Liu
- Department of Biology, York University, 354 & 357 Farquharson Building, 4700 Keele Street, Toronto, ON M3J 1P3, Canada
- Department of Cardiology, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130022, China
| | - Ryan Debi
- Department of Biology, York University, 354 & 357 Farquharson Building, 4700 Keele Street, Toronto, ON M3J 1P3, Canada
| | - Xiaodong Gao
- Department of Biology, York University, 354 & 357 Farquharson Building, 4700 Keele Street, Toronto, ON M3J 1P3, Canada
| | - Wenliang Chen
- Department of Biology, York University, 354 & 357 Farquharson Building, 4700 Keele Street, Toronto, ON M3J 1P3, Canada
| | - Camilo Guzman
- Department of Biology, York University, 354 & 357 Farquharson Building, 4700 Keele Street, Toronto, ON M3J 1P3, Canada
| | - Simona Yakobov
- Department of Biology, York University, 354 & 357 Farquharson Building, 4700 Keele Street, Toronto, ON M3J 1P3, Canada
| | - Farzad Izaddoustdar
- Department of Physiology, University of Toronto, Toronto, ON M5S 3E2, Canada
| | - Marianne Wauchop
- Department of Physiology, University of Toronto, Toronto, ON M5S 3E2, Canada
| | - Qian Lei
- Department of Anesthesiology, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Weimin Xu
- Department of Cardiology, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130022, China
| | - Sergei A Nedospasov
- Laboratory of Molecular Mechanisms of Immunity, Engelhardt Institute of Molecular Biology, Moscow 119991, Russia
- Division of Immunobiology and Biomedicine, Sirius University of Science and Technology, Sirius 354349, Russia
| | - Vincent M Christoffels
- Department of Medical Biology, Amsterdam Cardiovascular Sciences, Amsterdam UMC, Amsterdam, The Netherlands
| | - Peter H Backx
- Department of Biology, York University, 354 & 357 Farquharson Building, 4700 Keele Street, Toronto, ON M3J 1P3, Canada
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48
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McElhanon KE, Huff TC, Hirenallur-Shanthappa D, Miller RA, Christoforou N. Increased circulating progranulin is not sufficient to induce cardiac dysfunction or supraventricular arrhythmia. Sci Rep 2023; 13:21541. [PMID: 38057339 PMCID: PMC10700350 DOI: 10.1038/s41598-023-47311-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 11/12/2023] [Indexed: 12/08/2023] Open
Abstract
Atrial fibrillation (AF) is the most prevalent cardiac arrhythmia, and the incidence of new-onset AF has been increasing over the past two decades. Several factors contribute to the risk of developing AF including age, preexisting cardiovascular disease, chronic kidney disease, and obesity. Concurrent with the rise in AF, obesity has followed the same two-decade trend. The contribution of circulating proteins to obesity-related AF is of particular interest in the field. In this study, we investigated the effects of increased circulating levels of the glycoprotein progranulin on the development of supraventricular arrhythmias and changes to cardiac function. AAV8-mediated overexpression of full-length mouse progranulin was used to increase plasma protein levels and determine susceptibility to supraventricular arrhythmias and changes in cardiac structure and function. C57Bl/6N mice were subjected to increased circulating levels of progranulin for 20 weeks. Cardiac conduction was evaluated by surface ECG with and without isoproterenol challenge, and cardiac structure and function were measured by echocardiography after 20 weeks of circulating progranulin overexpression. Increased circulating levels of progranulin were maintained throughout the 20-week study. The cardiac structure and function remained unchanged in mice with increased circulating progranulin. ECG indices (P wave duration, P amplitude, QRS interval) were unaffected by increased progranulin levels and no arrhythmogenic events were observed following the isoproterenol challenge. In our model, increased levels of circulating progranulin were not sufficient to induce changes in cardiac structure and function or elicit ECG abnormalities suggestive of susceptibility to supraventricular arrhythmias.
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Affiliation(s)
- Kevin E McElhanon
- Rare Disease Research Unit, Worldwide Research, Development, and Medical, Pfizer, Inc., Cambridge, MA, USA
| | - Tyler C Huff
- Rare Disease Research Unit, Worldwide Research, Development, and Medical, Pfizer, Inc., Cambridge, MA, USA
| | | | - Russell A Miller
- Rare Disease Research Unit, Worldwide Research, Development, and Medical, Pfizer, Inc., Cambridge, MA, USA
| | - Nicolas Christoforou
- Rare Disease Research Unit, Worldwide Research, Development, and Medical, Pfizer, Inc., Cambridge, MA, USA.
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49
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Martinez E, Li N. Blocking interleukin-6 trans-signaling in AF: Promises and challenges. Heart Rhythm 2023; 20:1771-1772. [PMID: 37696442 DOI: 10.1016/j.hrthm.2023.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 09/06/2023] [Indexed: 09/13/2023]
Affiliation(s)
- Enrique Martinez
- Section of Cardiovascular Research, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - Na Li
- Section of Cardiovascular Research, Department of Medicine, Baylor College of Medicine, Houston, Texas.
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50
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Li X, Wu X, Chen X, Peng S, Chen S, Zhou G, Wei Y, Lu X, Zhou C, Ye Y, Li J, Liu S, Xu J. Selective blockade of interleukin 6 trans-signaling depresses atrial fibrillation. Heart Rhythm 2023; 20:1759-1770. [PMID: 37633428 DOI: 10.1016/j.hrthm.2023.08.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 08/15/2023] [Accepted: 08/16/2023] [Indexed: 08/28/2023]
Abstract
BACKGROUND Atrial fibrillation (AF) has been accepted as an inflammatory atrial myopathy. Interleukin 6 (IL-6)-dependent inflammatory signaling pathways take context-dependent effects on cardiovascular diseases. IL-6 trans-signaling is predominantly pro-inflammatory. However, its effect on AF is unclear. OBJECTIVE The purpose of this study was to investigate the role of IL-6 trans-signaling in AF. METHODS Circulating levels of IL-6, soluble IL-6 receptor, and soluble glycoprotein 130 (sgp130) in patients with AF and controls were measured to estimate the activation of IL-6 trans-signaling. A mouse model of AF was established by transverse aortic constriction surgery. Sgp130Fc administration was used for the selective blockade of IL-6 trans-signaling. Studies were conducted to evaluate the effects and underlying mechanisms of sgp130Fc on AF inducibility and atrial conduction abnormalities and structural remodeling. RESULTS In patients, the elevation of IL-6 trans-signaling level was positively associated with AF occurrence. IL-6 trans-signaling activation was recapitulated in the mouse model of AF. In transverse aortic constriction-challenged mice, the selective blockade of IL-6 trans-signaling with sgp130Fc attenuated AF inducibility, which was attributable to the amelioration of slow conduction and conduction heterogeneity induced by atrial dilation, fibrosis, and reduction in connexin 40 and redistribution of connexin 43. Sgp130Fc administration also reduced immune cell infiltration and oxidative stress in the mouse atrium and abrogated IL-6 trans-signaling activation-mediated connexin dysregulation and reactive oxygen species production in atrial myocytes. CONCLUSION IL-6 trans-signaling activation contributes to AF development, and its selective blockade may promise a novel therapeutic strategy.
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Affiliation(s)
- Xintao Li
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Department of Cardiology, First Affiliated Hospital of Soochow University, Suzhou City, Jiangsu Province, China
| | - Xiaoyu Wu
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaoqiang Chen
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Shi Peng
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Songwen Chen
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Genqing Zhou
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yong Wei
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaofeng Lu
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Changzuan Zhou
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yutong Ye
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Jun Li
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Shaowen Liu
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Juan Xu
- Department of Cardiology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
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