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Ricciotti E, Haines PG, Chai W, FitzGerald GA. Prostanoids in Cardiac and Vascular Remodeling. Arterioscler Thromb Vasc Biol 2024; 44:558-583. [PMID: 38269585 PMCID: PMC10922399 DOI: 10.1161/atvbaha.123.320045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 01/09/2024] [Indexed: 01/26/2024]
Abstract
Prostanoids are biologically active lipids generated from arachidonic acid by the action of the COX (cyclooxygenase) isozymes. NSAIDs, which reduce the biosynthesis of prostanoids by inhibiting COX activity, are effective anti-inflammatory, antipyretic, and analgesic drugs. However, their use is limited by cardiovascular adverse effects, including myocardial infarction, stroke, hypertension, and heart failure. While it is well established that NSAIDs increase the risk of atherothrombotic events and hypertension by suppressing vasoprotective prostanoids, less is known about the link between NSAIDs and heart failure risk. Current evidence indicates that NSAIDs may increase the risk for heart failure by promoting adverse myocardial and vascular remodeling. Indeed, prostanoids play an important role in modulating structural and functional changes occurring in the myocardium and in the vasculature in response to physiological and pathological stimuli. This review will summarize current knowledge of the role of the different prostanoids in myocardial and vascular remodeling and explore how maladaptive remodeling can be counteracted by targeting specific prostanoids.
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Affiliation(s)
- Emanuela Ricciotti
- Department of Systems Pharmacology and Translational Therapeutics (E.R., G.A.F.), University of Pennsylvania Perelman School of Medicine, Philadelphia
- Institute for Translational Medicine and Therapeutics (E.R., G.A.F.), University of Pennsylvania Perelman School of Medicine, Philadelphia
| | - Philip G Haines
- Rhode Island Hospital, Department of Medicine, Warren Alpert Medical School of Brown University, Providence (P.G.H.)
| | - William Chai
- Health and Human Biology, Division of Biology and Medicine, Brown University, Providence, RI (W.C.)
| | - Garret A FitzGerald
- Department of Systems Pharmacology and Translational Therapeutics (E.R., G.A.F.), University of Pennsylvania Perelman School of Medicine, Philadelphia
- Institute for Translational Medicine and Therapeutics (E.R., G.A.F.), University of Pennsylvania Perelman School of Medicine, Philadelphia
- Department of Medicine (G.A.F.), University of Pennsylvania Perelman School of Medicine, Philadelphia
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Reid HM, Maginn M, Perkins CM, Mulvaney EP, Boyce M, Yamamoto T, Kinsella BT. Evaluation of NTP42, a novel thromboxane receptor antagonist, in a first-in-human phase I clinical trial. Front Pharmacol 2023; 14:1296188. [PMID: 38178863 PMCID: PMC10764490 DOI: 10.3389/fphar.2023.1296188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 12/04/2023] [Indexed: 01/06/2024] Open
Abstract
Background: The thromboxane receptor (TP) antagonist NTP42 is in clinical development for treatment of cardiopulmonary diseases, such as pulmonary arterial hypertension. In this randomized, placebo-controlled Phase I clinical trial, NTP42, administered as the oral formulation NTP42:KVA4, was evaluated for safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) in healthy males. Methods: The first-in-human trial had three Parts: A, single ascending dose (SAD) study with seven groups given 0.25-243 mg NTP42:KVA4 or placebo; B, food effect study where one SAD group (9 mg) was also given NTP42:KVA4 or placebo after a high-fat breakfast; C, multiple ascending dose study with three groups given 15-135 mg NTP42:KVA4 or placebo once-daily for 7 days. Results: Seventy-nine volunteers participated. No serious adverse events occurred, where any drug- or placebo-related adverse events were mild to moderate, with no correlation to NTP42:KVA4 dose. NTP42 was rapidly absorbed, yielding dose proportional increases in exposure after single and repeat dosing. PK confirmed that, with a clearance (T1/2) of 18.7 h, NTP42:KVA4 is suited to once-daily dosing, can be taken with or without food, and does not accumulate on repeat dosing. At doses ≥1 mg, NTP42 led to complete and sustained inhibition of thromboxane-, but not ADP-, induced platelet aggregation ex vivo, with direct correlation between NTP42 exposure and duration of PD effects. Conclusion: Orally administered NTP42:KVA4 was well tolerated, with favorable PK/PD profiles and evidence of specific TP target engagement. These findings support continued clinical development of NTP42:KVA4 for cardiopulmonary or other relevant diseases with unmet needs. Clinical Trial Registration: clinicaltrials.gov, identifier NCT04919863.
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Affiliation(s)
- Helen M. Reid
- ATXA Therapeutics Limited, UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin, Ireland
| | - Mark Maginn
- ATXA Therapeutics Limited, UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin, Ireland
| | - C. Michael Perkins
- ATXA Therapeutics Limited, UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin, Ireland
| | - Eamon P. Mulvaney
- ATXA Therapeutics Limited, UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin, Ireland
| | - Malcolm Boyce
- Hammersmith Medicines Research, London, United Kingdom
| | | | - B. Therese Kinsella
- ATXA Therapeutics Limited, UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin, Ireland
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Lefort B, Gélinas R, Forest A, Bouchard B, Daneault C, Robillard Frayne I, Roy J, Oger C, Greffard K, Galano JM, Durand T, Labarthe F, Bilodeau JF, Ruiz M, Des Rosiers C. Remodeling of lipid landscape in high fat fed very-long chain acyl-CoA dehydrogenase null mice favors pro-arrhythmic polyunsaturated fatty acids and their downstream metabolites. Biochim Biophys Acta Mol Basis Dis 2023; 1869:166843. [PMID: 37558007 DOI: 10.1016/j.bbadis.2023.166843] [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: 02/06/2023] [Revised: 07/20/2023] [Accepted: 08/04/2023] [Indexed: 08/11/2023]
Abstract
Very-long chain acyl-CoA dehydrogenase (VLCAD) catalyzes the initial step of mitochondrial long chain (LC) fatty acid β-oxidation (FAO). Inherited VLCAD deficiency (VLCADD) predisposes to neonatal arrhythmias whose pathophysiology is still not understood. We hypothesized that VLCADD results in global disruption of cardiac complex lipid homeostasis, which may set conditions predisposing to arrhythmia. To test this, we assessed the cardiac lipidome and related molecular markers in seven-month-old VLCAD-/- mice, which mimic to some extent the human cardiac phenotype. Mice were sacrificed in the fed or fasted state after receiving for two weeks a chow or a high-fat diet (HFD), the latter condition being known to worsen symptoms in human VLCADD. Compared to their littermate counterparts, HFD/fasted VLCAD-/- mouse hearts displayed the following lipid alterations: (1) Lower LC, but higher VLC-acylcarnitines accumulation, (2) higher levels of arachidonic acid (AA) and lower docosahexaenoic acid (DHA) contents in glycerophospholipids (GPLs), as well as (3) corresponding changes in pro-arrhythmogenic AA-derived isoprostanes and thromboxane B2 (higher), and anti-arrythmogenic DHA-derived neuroprostanes (lower). These changes were associated with remodeling in the expression of gene or protein markers of (1) GPLs remodeling: higher calcium-dependent phospholipase A2 and lysophosphatidylcholine-acyltransferase 2, (2) calcium handling perturbations, and (3) endoplasmic reticulum stress. Altogether, these results highlight global lipid dyshomeostasis beyond FAO in VLCAD-/- mouse hearts, which may set conditions predisposing the hearts to calcium mishandling and endoplasmic reticulum stress and thereby may contribute to the pathogenesis of arrhythmias in VLCADD in mice as well as in humans.
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Affiliation(s)
- Bruno Lefort
- Montreal Heart Institute Research Centre, Montreal, Canada; Institut des Cardiopathies Congénitales de Tours et FHU Precicare, CHU Tours, Tours, France; INSERM UMR 1069 et Université François Rabelais, Tours, France
| | - Roselle Gélinas
- Montreal Heart Institute Research Centre, Montreal, Canada; Present address: CHU Ste-Justine Research Center, Montreal, Quebec, Canada
| | - Anik Forest
- Montreal Heart Institute Research Centre, Montreal, Canada
| | | | | | | | - Jérôme Roy
- Institut des Biomolécules Max Mousseron, Pôle Chimie Balard Recherche, UMR 5247, Université de Montpellier, CNRS, ENSCM, Montpellier, France; INRAE, Université de Pau et des Pays de l'Adour, E2S UPPA, UMR1419 Nutrition Metabolism and Aquaculture, Aquapôle, F-64310 Saint-Pée-sur-Nivelle, France
| | - Camille Oger
- Institut des Biomolécules Max Mousseron, Pôle Chimie Balard Recherche, UMR 5247, Université de Montpellier, CNRS, ENSCM, Montpellier, France
| | - Karine Greffard
- Axe endocrinologie et néphrologie, CHU de Québec, Université Laval, Québec, Canada
| | - Jean-Marie Galano
- Institut des Biomolécules Max Mousseron, Pôle Chimie Balard Recherche, UMR 5247, Université de Montpellier, CNRS, ENSCM, Montpellier, France
| | - Thierry Durand
- Institut des Biomolécules Max Mousseron, Pôle Chimie Balard Recherche, UMR 5247, Université de Montpellier, CNRS, ENSCM, Montpellier, France
| | | | - Jean-François Bilodeau
- Axe endocrinologie et néphrologie, CHU de Québec, Université Laval, Québec, Canada; Department of Nutrition, Faculty of medicine, Université Laval, Quebec, Canada
| | - Matthieu Ruiz
- Montreal Heart Institute Research Centre, Montreal, Canada; Department of Nutrition, Faculty of medicine, Université de Montréal, Montreal, Canada.
| | - Christine Des Rosiers
- Montreal Heart Institute Research Centre, Montreal, Canada; Department of Nutrition, Faculty of medicine, Université de Montréal, Montreal, Canada.
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Beccacece L, Abondio P, Bini C, Pelotti S, Luiselli D. The Link between Prostanoids and Cardiovascular Diseases. Int J Mol Sci 2023; 24:ijms24044193. [PMID: 36835616 PMCID: PMC9962914 DOI: 10.3390/ijms24044193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/17/2023] [Accepted: 02/18/2023] [Indexed: 02/22/2023] Open
Abstract
Cardiovascular diseases are the leading cause of global deaths, and many risk factors contribute to their pathogenesis. In this context, prostanoids, which derive from arachidonic acid, have attracted attention for their involvement in cardiovascular homeostasis and inflammatory processes. Prostanoids are the target of several drugs, but it has been shown that some of them increase the risk of thrombosis. Overall, many studies have shown that prostanoids are tightly associated with cardiovascular diseases and that several polymorphisms in genes involved in their synthesis and function increase the risk of developing these pathologies. In this review, we focus on molecular mechanisms linking prostanoids to cardiovascular diseases and we provide an overview of genetic polymorphisms that increase the risk for cardiovascular disease.
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Affiliation(s)
- Livia Beccacece
- Computational Genomics Lab, Department of Pharmacy and Biotechnology, University of Bologna, 40126 Bologna, Italy
- Correspondence: (L.B.); (P.A.)
| | - Paolo Abondio
- aDNA Lab, Department of Cultural Heritage, University of Bologna, Ravenna Campus, 48121 Ravenna, Italy
- Correspondence: (L.B.); (P.A.)
| | - Carla Bini
- Unit of Legal Medicine, Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy
| | - Susi Pelotti
- Unit of Legal Medicine, Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy
| | - Donata Luiselli
- aDNA Lab, Department of Cultural Heritage, University of Bologna, Ravenna Campus, 48121 Ravenna, Italy
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Mulvaney EP, Renzo F, Adão R, Dupre E, Bialesova L, Salvatore V, Reid HM, Conceição G, Grynblat J, Llucià-Valldeperas A, Michel JB, Brás-Silva C, Laurent CE, Howard LS, Montani D, Humbert M, Vonk Noordegraaf A, Perros F, Mendes-Ferreira P, Kinsella BT. The thromboxane receptor antagonist NTP42 promotes beneficial adaptation and preserves cardiac function in experimental models of right heart overload. Front Cardiovasc Med 2022; 9:1063967. [PMID: 36588576 PMCID: PMC9794752 DOI: 10.3389/fcvm.2022.1063967] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 11/22/2022] [Indexed: 12/15/2022] Open
Abstract
Background Pulmonary arterial hypertension (PAH) is a progressive disease characterized by increased pulmonary artery pressure leading to right ventricular (RV) failure. While current PAH therapies improve patient outlook, they show limited benefit in attenuating RV dysfunction. Recent investigations demonstrated that the thromboxane (TX) A2 receptor (TP) antagonist NTP42 attenuates experimental PAH across key hemodynamic parameters in the lungs and heart. This study aimed to validate the efficacy of NTP42:KVA4, a novel oral formulation of NTP42 in clinical development, in preclinical models of PAH while also, critically, investigating its direct effects on RV dysfunction. Methods The effects of NTP42:KVA4 were evaluated in the monocrotaline (MCT) and pulmonary artery banding (PAB) models of PAH and RV dysfunction, respectively, and when compared with leading standard-of-care (SOC) PAH drugs. In addition, the expression of the TP, the target for NTP42, was investigated in cardiac tissue from several other related disease models, and from subjects with PAH and dilated cardiomyopathy (DCM). Results In the MCT-PAH model, NTP42:KVA4 alleviated disease-induced changes in cardiopulmonary hemodynamics, pulmonary vascular remodeling, inflammation, and fibrosis, to a similar or greater extent than the PAH SOCs tested. In the PAB model, NTP42:KVA4 improved RV geometries and contractility, normalized RV stiffness, and significantly increased RV ejection fraction. In both models, NTP42:KVA4 promoted beneficial RV adaptation, decreasing cellular hypertrophy, and increasing vascularization. Notably, elevated expression of the TP target was observed both in RV tissue from these and related disease models, and in clinical RV specimens of PAH and DCM. Conclusion This study shows that, through antagonism of TP signaling, NTP42:KVA4 attenuates experimental PAH pathophysiology, not only alleviating pulmonary pathologies but also reducing RV remodeling, promoting beneficial hypertrophy, and improving cardiac function. The findings suggest a direct cardioprotective effect for NTP42:KVA4, and its potential to be a disease-modifying therapy in PAH and other cardiac conditions.
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Affiliation(s)
- Eamon P. Mulvaney
- ATXA Therapeutics Limited, UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
| | - Fabiana Renzo
- ATXA Therapeutics Limited, UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
| | - Rui Adão
- Department of Surgery and Physiology, Cardiovascular R&D Centre—UnIC@RISE, Faculty of Medicine of the University of Porto, Porto, Portugal
| | | | - Lucia Bialesova
- ATXA Therapeutics Limited, UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
| | - Viviana Salvatore
- ATXA Therapeutics Limited, UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
| | - Helen M. Reid
- ATXA Therapeutics Limited, UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
| | - Glória Conceição
- Department of Surgery and Physiology, Cardiovascular R&D Centre—UnIC@RISE, Faculty of Medicine of the University of Porto, Porto, Portugal
| | - Julien Grynblat
- School of Medicine, Université Paris-Saclay, Le Kremlin-Bicêtre, France,INSERM UMR_S 999, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Hôpital Marie Lannelongue, Le Plessis-Robinson, France
| | - Aida Llucià-Valldeperas
- PHEniX Laboratory, Department of Pulmonary Medicine, Amsterdam UMC (Location VUMC), Amsterdam Cardiovascular Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands,Amsterdam Cardiovascular Sciences, Pulmonary Hypertension and Thrombosis, Amsterdam, Netherlands
| | | | - Carmen Brás-Silva
- Department of Surgery and Physiology, Cardiovascular R&D Centre—UnIC@RISE, Faculty of Medicine of the University of Porto, Porto, Portugal
| | - Charles E. Laurent
- IPS Therapeutique Inc., Sherbrooke, QC, Canada,ToxiPharm Laboratories Inc., Ste-Catherine-de-Hatley, QC, Canada
| | - Luke S. Howard
- Imperial College London, National Heart and Lung Institute, London, United Kingdom
| | - David Montani
- School of Medicine, Université Paris-Saclay, Le Kremlin-Bicêtre, France,INSERM UMR_S 999, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Hôpital Marie Lannelongue, Le Plessis-Robinson, France,AP-HP, Dept of Respiratory and Intensive Care Medicine, Pulmonary Hypertension National Referral Centre, Hôpital Bicêtre, Le Kremlin-Bicêtre, France
| | - Marc Humbert
- School of Medicine, Université Paris-Saclay, Le Kremlin-Bicêtre, France,INSERM UMR_S 999, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Hôpital Marie Lannelongue, Le Plessis-Robinson, France,AP-HP, Dept of Respiratory and Intensive Care Medicine, Pulmonary Hypertension National Referral Centre, Hôpital Bicêtre, Le Kremlin-Bicêtre, France
| | - Anton Vonk Noordegraaf
- PHEniX Laboratory, Department of Pulmonary Medicine, Amsterdam UMC (Location VUMC), Amsterdam Cardiovascular Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Frédéric Perros
- School of Medicine, Université Paris-Saclay, Le Kremlin-Bicêtre, France,INSERM UMR_S 999, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Hôpital Marie Lannelongue, Le Plessis-Robinson, France,Paris-Porto Pulmonary Hypertension Collaborative Laboratory (3PH), INSERM UMR_S 999, Université Paris-Saclay, Le Kremlin-Bicêtre, France,INSERM, INRAE, CarMeN Laboratory and Centre de Recherche en Nutrition Humaine Rhône-Alpes (CRNH-RA), Claude Bernard University Lyon 1, University of Lyon, Lyon, France
| | - Pedro Mendes-Ferreira
- Department of Surgery and Physiology, Cardiovascular R&D Centre—UnIC@RISE, Faculty of Medicine of the University of Porto, Porto, Portugal,Paris-Porto Pulmonary Hypertension Collaborative Laboratory (3PH), INSERM UMR_S 999, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - B. Therese Kinsella
- ATXA Therapeutics Limited, UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland,UCD School of Biomolecular and Biomedical Research, UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland,*Correspondence: B. Therese Kinsella,
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Hariri E, Kakouros N, Bunsick DA, Russell SD, Mudd JO, Laws K, Lake MW, Rade JJ. Non-platelet thromboxane generation is associated with impaired cardiovascular performance and mortality in heart failure. Am J Physiol Heart Circ Physiol 2022; 323:H248-H255. [PMID: 35714178 DOI: 10.1152/ajpheart.00212.2022] [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] [Indexed: 11/22/2022]
Abstract
BACKGROUND Non-platelet thromboxane generation, stimulated largely by oxidative stress, is a novel mortality risk factor in individuals with coronary artery disease. Though inversely associated with left ventricular ejection fraction (LVEF), a potential role in the pathobiology of heart failure (HF) remains poorly defined. METHODS Non-platelet thromboxane generation and oxidative stress were assessed by measuring urine thromboxane B2 metabolites (TXB2-M) and 8-isoPGF2α by ELISA in 105 subjects taking aspirin undergoing right heart catheterization for evaluation of HF, valve disease or after transplantation. Multivariable logistic regression and survival analyses were used to define associations of TXB2-M to invasive measures of cardiovascular performance and 4-year clinical outcome. RESULTS TXB2-M was elevated (>1500 pg/mg creatinine) in 46% of subjects and correlated with HF severity by NYHA functional class and brain natriuretic peptide level, modestly with LVEF, but not with HF etiology. There was no association of oxidative stress to HF type or etiology but a trend with NYHA functional class. Multiple invasive hemodynamic parameters independently associated with TXB2-M after adjustment for oxidative stress, age, sex and race with pulmonary effective arterial elastance (Ea (pulmonary)), reflective of right ventricular afterload, being the most robust on hierarchical analysis. Similar to Ea (pulmonary), elevated urinary TXB2-M associated with increased risk of death (adjusted HR 2.15, P=0.037) and combination of death, transplant, or mechanical support initiation (adjusted HR 2.0, P=0.042). CONCLUSIONS Non-platelet TXA2 thromboxane generation independently associated with HF severity reflected by invasive measures of cardiovascular performance, particularly right ventricular afterload, and independently predicted long-term mortal.
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Affiliation(s)
- Essa Hariri
- University of Massachusetts Medical School, Worcester, MA, United States.,Cleveland Clinic Foundation, Cleveland, OH, United States
| | - Nikolaos Kakouros
- University of Massachusetts Medical School, Worcester, MA, United States
| | - David A Bunsick
- University of Massachusetts Medical School, Worcester, MA, United States
| | | | - James O Mudd
- Johns Hopkins School of Medicine, Baltimore, MD, United States
| | - Katherine Laws
- University of Massachusetts Medical School, Worcester, MA, United States
| | | | - Jeffrey J Rade
- University of Massachusetts Medical School, Worcester, MA, United States.,Cleveland Clinic Foundation, Cleveland, OH, United States
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Rade JJ, Barton BA, Vasan RS, Kronsberg SS, Xanthakis V, Keaney JF, Hamburg NM, Kakouros N, Kickler TA. Association of Thromboxane Generation With Survival in Aspirin Users and Nonusers. J Am Coll Cardiol 2022; 80:233-250. [PMID: 35660296 DOI: 10.1016/j.jacc.2022.04.034] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 04/11/2022] [Accepted: 04/12/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Persistent systemic thromboxane generation, predominantly from nonplatelet sources, in aspirin (ASA) users with cardiovascular disease (CVD) is a mortality risk factor. OBJECTIVES This study sought to determine the mortality risk associated with systemic thromboxane generation in an unselected population irrespective of ASA use. METHODS Stable thromboxane B2 metabolites (TXB2-M) were measured by enzyme-linked immunosorbent assay in banked urine from 3,044 participants (mean age 66 ± 9 years, 53.8% women) in the Framingham Heart Study. The association of TXB2-M to survival over a median observation period of 11.9 years (IQR: 10.6-12.7 years) was determined by multivariable modeling. RESULTS In 1,363 (44.8%) participants taking ASA at the index examination, median TXB2-M were lower than in ASA nonusers (1,147 pg/mg creatinine vs 4,179 pg/mg creatinine; P < 0.0001). TXB2-M were significantly associated with all-cause and cardiovascular mortality irrespective of ASA use (HR: 1.96 and 2.41, respectively; P < 0.0001 for both) for TXB2-M in the highest quartile based on ASA use compared with lower quartiles, and remained significant after adjustment for mortality risk factors for similarly aged individuals (HR: 1.49 and 1.82, respectively; P ≤ 0.005 for both). In 2,353 participants without CVD, TXB2-M were associated with cardiovascular mortality in ASA nonusers (adjusted HR: 3.04; 95% CI: 1.29-7.16) but not in ASA users, while ASA use was associated with all-cause mortality in those with low (adjusted HR: 1.46; 95% CI: 1.14-1.87) but not elevated TXB2-M. CONCLUSIONS Systemic thromboxane generation is an independent risk factor for all-cause and cardiovascular mortality irrespective of ASA use, and its measurement may be useful for therapy modification, particularly in those without CVD.
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Affiliation(s)
- Jeffrey J Rade
- University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA; Johns Hopkins School of Medicine, Baltimore, Maryland, USA.
| | - Bruce A Barton
- University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | | | - Shari S Kronsberg
- University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | | | - John F Keaney
- University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA; Boston University School of Medicine, Boston, Massachusetts, USA
| | - Naomi M Hamburg
- Boston University School of Medicine, Boston, Massachusetts, USA
| | - Nikolaos Kakouros
- University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
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8
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Graves JM, Vallejo JA, Hamill CS, Wang D, Ahuja R, Patel S, Faul C, Wacker MJ. Fibroblast growth factor 23 (FGF23) induces ventricular arrhythmias and prolongs QTc interval in mice in an FGF receptor 4-dependent manner. Am J Physiol Heart Circ Physiol 2021; 320:H2283-H2294. [PMID: 33929896 DOI: 10.1152/ajpheart.00798.2020] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Fibroblast growth factor 23 (FGF23) is a phosphate regulating protein hormone released by osteocytes. FGF23 becomes markedly elevated in chronic kidney disease (CKD), for which the leading cause of death is cardiovascular disease, particularly sudden cardiac death. Previously, we found that FGF23 increases intracellular Ca2+ in cardiomyocytes and alters contractility in mouse ventricles ex vivo via FGF receptor 4 (FGFR4). In the present study, we demonstrate that FGF23 induces cardiac arrhythmias and prolongs QTc interval in mice, and we tested whether these effects are mediated through FGFR4. In isolated Langendorff perfused hearts, FGF23 perfusion increased mechanical arrhythmias in the form of premature ventricular beats (PVBs), and induced runs of ventricular tachycardia in 6 of 11 animals, which were attenuated with pretreatment of an anti-FGFR4 blocking antibody. Ex vivo ECG analysis of isolated intact hearts showed increased ventricular arrhythmias and QTc prolongation after FGF23 infusion compared with vehicle. In vivo, injection of FGF23 into the jugular vein led to the emergence of premature ventricular contractions (PVCs) in 5 out of 11 experiments. FGF23 also produced a significant lengthening effect upon QTc interval in vivo. In vivo FGFR4 blockade ameliorated the arrhythmogenic and QTc prolonging effects of FGF23. Finally, FGF23 increased cardiomyocyte Ca2+ levels in intact left ventricular muscle which was inhibited by FGR4 blockade. We conclude that FGF23/FGFR4 signaling in the heart may contribute to ventricular arrhythmogenesis and repolarization disturbances commonly observed in patients with CKD via Ca2+ overload and may be an important therapeutic target to reduce cardiac mortality in CKD.NEW & NOTEWORTHY Here we provide direct evidence that fibroblast growth factor 23 (FGF23), a phosphaturic hormone elevated in chronic kidney disease, is proarrhythmic. FGF23 acutely triggered ventricular arrhythmias and prolonged corrected QT interval (QTc) in isolated mouse hearts and in vivo. FGF23 also increased Ca2+ levels in ventricular muscle tissue. Blockade of the FGF receptor 4 signaling pathway using a monoclonal antibody ameliorated ventricular arrhythmias, QTc prolongation, and elevated ventricular Ca2+ induced by FGF23, and may represent a potential therapeutic target in chronic kidney disease.
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Affiliation(s)
- Jonah M Graves
- Department of Biomedical Sciences, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri
| | - Julian A Vallejo
- Department of Biomedical Sciences, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri
| | - Chelsea S Hamill
- Department of Biomedical Sciences, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri
| | - Derek Wang
- Department of Biomedical Sciences, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri
| | - Rohan Ahuja
- Department of Biomedical Sciences, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri
| | - Shaan Patel
- Department of Biomedical Sciences, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri
| | - Christian Faul
- Division of Nephrology, Department of Medicine, The University of Alabama at Birmingham, Birmingham, Alabama
| | - Michael J Wacker
- Department of Biomedical Sciences, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri
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9
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West JD, Galindo CL, Kim K, Shin JJ, Atkinson JB, Macias‐Perez I, Pavliv L, Knollmann BC, Soslow JH, Markham LW, Carrier EJ. Antagonism of the Thromboxane-Prostanoid Receptor as a Potential Therapy for Cardiomyopathy of Muscular Dystrophy. J Am Heart Assoc 2019; 8:e011902. [PMID: 31662020 PMCID: PMC6898850 DOI: 10.1161/jaha.118.011902] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Background Muscular dystrophy (MD) causes a progressive cardiomyopathy characterized by diffuse fibrosis, arrhythmia, heart failure, and early death. Activation of the thromboxane-prostanoid receptor (TPr) increases calcium transients in cardiomyocytes and is proarrhythmic and profibrotic. We hypothesized that TPr activation contributes to the cardiac phenotype of MD, and that TPr antagonism would improve cardiac fibrosis and function in preclinical models of MD. Methods and Results Three different mouse models of MD (mdx/utrn double knockout, second generation mdx/mTR double knockout, and delta-sarcoglycan knockout) were given normal drinking water or water containing 25 mg/kg per day of the TPr antagonist ifetroban, beginning at weaning. After 6 months (10 weeks for mdx/utrn double knockout), mice were evaluated for cardiac and skeletal muscle function before euthanization. There was a 100% survival rate of ifetroban-treated mice to the predetermined end point, compared with 60%, 43%, and 90% for mdx/utrn double knockout, mdx/mTR double knockout, and delta-sarcoglycan knockout mice, respectively. TPr antagonism improved cardiac output in mdx/utrn double knockout and mdx/mTR mice, and normalized fractional shortening, ejection fraction, and other parameters in delta-sarcoglycan knockout mice. Cardiac fibrosis in delta-sarcoglycan knockout was reduced with TPr antagonism, which also normalized cardiac expression of claudin-5 and neuronal nitric oxide synthase proteins and multiple signature genes of Duchenne MD. Conclusions TPr antagonism reduced cardiomyopathy and spontaneous death in mouse models of Duchenne and limb-girdle MD. Based on these studies, ifetroban and other TPr antagonists could be novel therapeutics for treatment of the cardiac phenotype in patients with MD.
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Affiliation(s)
- James D. West
- Division of Allergy, Pulmonary, and Critical CareVanderbilt University Medical CenterNashvilleTN
| | - Cristi L. Galindo
- Division of CardiologyVanderbilt University Medical CenterNashvilleTN
| | - Kyungsoo Kim
- Division of Clinical PharmacologyVanderbilt University Medical CenterNashvilleTN
| | - John Jonghyun Shin
- Division of Rheumatology and ImmunologyDepartment of MedicineVanderbilt University Medical CenterNashvilleTN
| | - James B. Atkinson
- Department of MedicineDepartment of Pathology, Microbiology, and ImmunologyVanderbilt University Medical CenterNashvilleTN
| | | | - Leo Pavliv
- Cumberland Pharmaceuticals IncNashvilleTN
| | - Bjorn C. Knollmann
- Division of Clinical PharmacologyVanderbilt University Medical CenterNashvilleTN
| | - Jonathan H. Soslow
- Division of Pediatric CardiologyDepartment of PediatricsVanderbilt University Medical CenterNashvilleTN
| | - Larry W. Markham
- Division of CardiologyVanderbilt University Medical CenterNashvilleTN
- Division of Pediatric CardiologyDepartment of PediatricsRiley Hospital for Children and Indiana University School of MedicineIndianapolisIN
| | - Erica J. Carrier
- Division of Allergy, Pulmonary, and Critical CareVanderbilt University Medical CenterNashvilleTN
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10
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Touchberry CD, Silswal N, Tchikrizov V, Elmore CJ, Srinivas S, Akthar AS, Swan HK, Wetmore LA, Wacker MJ. Cardiac thromboxane A2 receptor activation does not directly induce cardiomyocyte hypertrophy but does cause cell death that is prevented with gentamicin and 2-APB. BMC Pharmacol Toxicol 2014; 15:73. [PMID: 25519194 PMCID: PMC4293009 DOI: 10.1186/2050-6511-15-73] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2014] [Accepted: 12/12/2014] [Indexed: 12/31/2022] Open
Abstract
Background We have previously shown that the thromboxane (TXA2) receptor agonist, U46619, can directly induce ventricular arrhythmias that were associated with increases in intracellular calcium in cardiomyocytes. Since TXA2 is an inflammatory mediator and induces direct calcium changes in cardiomyocytes, we hypothesized that TXA2 released during ischemia or inflammation could also cause cardiac remodeling. Methods U46619 (0.1-10 μM) was applied to isolated adult mouse ventricular primary cardiomyocytes, mouse ventricular cardiac muscle strips, and cultured HL-1 cardiomyocytes and markers of hypertrophy and cell death were measured. Results We found that TXA2 receptors were expressed in ventricular cardiomyocytes and were functional via calcium imaging. U46619 treatment for 24 h did not increase expression of pathological hypertrophy genes (atrial natriuretic peptide, β-myosin heavy chain, skeletal muscle α-actin) and it did not increase protein synthesis. There was also no increase in cardiomyocyte size after 48 h treatment with U46619 as measured by flow cytometry. However, U46619 (0.1-10 μM) caused a concentration-dependent increase in cardiomyocyte death (trypan blue, MTT assays, visual cell counts and TUNEL stain) after 24 h. Treatment of cells with the TXA2 receptor antagonist SQ29548 and inhibitors of the IP3 pathway, gentamicin and 2-APB, eliminated the increase in cell death induced by U46619. Conclusions Our data suggests that TXA2 does not induce cardiac hypertrophy, but does induce cell death that is mediated in part by IP3 signaling pathways. These findings may provide important therapeutic targets for inflammatory-induced cardiac apoptosis that can lead to heart failure.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Michael J Wacker
- Muscle Biology Group, School of Medicine, University of Missouri-Kansas City, 2464 Charlotte Street, Kansas City, MO 64108, USA.
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11
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Harding P, Murray DB. The contribution of prostaglandins versus prostacyclin in ventricular remodeling during heart failure. Life Sci 2011; 89:671-6. [PMID: 21855554 DOI: 10.1016/j.lfs.2011.07.025] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2011] [Revised: 07/26/2011] [Accepted: 07/28/2011] [Indexed: 12/20/2022]
Abstract
Although the role of Cox-2 in the heart's response to physiologic stress remains controversial (i.e. expression in myocytes versus other resident myocardial cells) the ever expanding role of prostanoids in multiple models of heart failure cannot be denied. Due to the fact that prostanoids are metabolized rather quickly (half life of seconds to minutes) it is believed these signaling mediators act in a paracrine fashion at the site of production. Evidence to date is quite convincing that these bioactive lipid derivatives are involved in physiologic homeostatic regulation as well as beneficial and maladaptive ventricular remodeling in heart failure. Thus, this review will assess the direct contribution of each PG on remodeling in the left ventricle (e.g. hypertrophy, functional effects, and fibrosis).
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Affiliation(s)
- Pamela Harding
- Hypertension and Vascular Research Division, Department of Internal Medicine, Henry Ford Hospital, Detroit, MI 48202, USA
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12
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Compensatory hypertrophy induced by ventricular cardiomyocyte-specific COX-2 expression in mice. J Mol Cell Cardiol 2010; 49:88-94. [PMID: 20170663 DOI: 10.1016/j.yjmcc.2010.01.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2009] [Revised: 01/29/2010] [Accepted: 01/30/2010] [Indexed: 12/18/2022]
Abstract
Cyclooxygenase-2 (COX-2) is an important mediator of inflammation in stress and disease states. Recent attention has focused on the role of COX-2 in human heart failure and diseases owing to the finding that highly specific COX-2 inhibitors (i.e., Vioxx) increased the risk of myocardial infarction and stroke in chronic users. However, the specific impact of COX-2 expression in the intact heart remains to be determined. We report here the development of a transgenic mouse model, using a loxP-Cre approach, which displays robust COX-2 overexpression and subsequent prostaglandin synthesis specifically in ventricular myocytes. Histological, functional, and molecular analyses showed that ventricular myocyte specific COX-2 overexpression led to cardiac hypertrophy and fetal gene marker activation, but with preserved cardiac function. Therefore, specific induction of COX-2 and prostaglandin in vivo is sufficient to induce compensated hypertrophy and molecular remodeling.
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13
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Wacker MJ, Kosloski LM, Gilbert WJR, Touchberry CD, Moore DS, Kelly JK, Brotto M, Orr JA. Inhibition of thromboxane A2-induced arrhythmias and intracellular calcium changes in cardiac myocytes by blockade of the inositol trisphosphate pathway. J Pharmacol Exp Ther 2009; 331:917-24. [PMID: 19741149 DOI: 10.1124/jpet.109.157677] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
We have recently reported that left atrial injections of the thromboxane A(2) (TXA(2)) mimetic, (5Z)-7-[(1R,4S,5S,6R)-6-[(1E,3S)-3-hydroxy-1-octenyl]-2 -oxabicyclo[2.2.1]hept-5-yl]-5-heptenoic acid (U46619), induced ventricular arrhythmias in the anesthetized rabbit. Data from this study led us to hypothesize that TXA(2) may be inducing direct actions on the myocardium to induce these arrhythmias. The aim of this study was to further elucidate the mechanism responsible for these arrhythmias. We report that TXA(2)R is expressed at both the gene and protein levels in atrial and ventricular samples of adult rabbits. In addition, TXA(2)R mRNA was identified in single, isolated ventricular cardiac myocytes. Furthermore, treatment of isolated cardiac myocytes with U46619 increased intracellular calcium in a dose-dependent manner and these increases were blocked by the specific TXA(2)R antagonist, 7-(3-((2-((phenylamino)carbonyl)hydrazino)methyl)-7-oxabicyclo(2.2.1)hept-2-yl)-5-heptenoic acid (SQ29548). Pretreatment of myocytes with an inhibitor of inositol trisphosphate (IP(3)) formation, gentamicin, or with an inhibitor of IP(3) receptors, 2-aminoethoxydiphenylborate (2-APB), blocked the increase in intracellular calcium. In vivo pretreatment of anesthetized rabbits with either gentamicin or 2-APB subsequently inhibited the formation of ventricular arrhythmias elicited by U46619. These data support the hypothesis that TXA(2) can induce arrhythmias via a direct action on cardiac myocytes. Furthermore, these arrhythmogenic actions were blocked by inhibitors of the IP(3) pathway. In summary, this study provides novel evidence for direct TXA(2)-induced cardiac arrhythmias and provides a rationale for IP(3) as a potential target for the treatment of TXA(2)-mediated arrhythmias.
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Affiliation(s)
- M J Wacker
- Muscle Biology Research Group, School of Medicine, University of Missouri-Kansas City, Kansas City, Missouri 64108, USA.
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