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Simon LH, Garritson J, Pullen N, Hayward R. Exercise Preconditioning Preserves Cardiac Function and Enhances Cardiac Recovery Following Dobutamine Stimulation in Doxorubicin-Treated Rat Hearts. J Cardiovasc Pharmacol 2024; 84:188-198. [PMID: 38814887 DOI: 10.1097/fjc.0000000000001583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 04/08/2024] [Indexed: 06/01/2024]
Abstract
ABSTRACT Exercise preconditioning has been shown to protect against doxorubicin (DOX)-induced cardiac dysfunction when hearts are maintained under resting conditions. However, it is unclear whether this exercise-induced protective effect is maintained when the heart is challenged with the β 1 -adrenergic receptor agonist dobutamine (DOB), which mimics acute exercise stress. Fischer 344 rats were randomly assigned to sedentary (SED) or voluntary wheel running (WR) groups for 10 weeks. At week 11, rats were treated with either 15 mg/kg DOX or saline. Five days later, ex vivo cardiac function was assessed using an isolated working heart model at baseline, during the infusion of 7.5 μg·kg -1 ·min -1 DOB, and during recovery. DOB infusion significantly increased left ventricular developed pressure (LVDP), maximal (dP/dt max ) and minimal (dP/dt min ) rate of left ventricular pressure development, and heart rate in all groups ( P < 0.05). SED + DOX also showed a lower baseline and recovery LVDP than WR + DOX (83 ± 12 vs. 109 ± 6 mm Hg baseline, 76 ± 11 vs. 100 ± 10 mm Hg recovery, P < 0.05). WR + DOX showed higher dP/dt max and lower dP/dt min when compared with SED + DOX during DOB infusion (7311 ± 1481 vs. 5167 ± 1436 mm Hg/s and -4059 ± 1114 vs.-3158 ± 1176 mm Hg/s, respectively). SED + DOX dP/dt max was significantly lower during baseline and during recovery when compared with all other groups ( P < 0.05). These data suggest that exercise preconditioning preserved cardiac function after DOX exposure even when the heart is challenged with DOB, and it appeared to preserve the heart's ability to recover from this functional challenge.
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Affiliation(s)
- Lea Haverbeck Simon
- Department of Kinesiology, Nutrition, and Dietetics, and the University of Northern Colorado Cancer Rehabilitation Institute, University of Northern Colorado, Greeley, CO; and
| | - Jacob Garritson
- Department of Kinesiology, Nutrition, and Dietetics, and the University of Northern Colorado Cancer Rehabilitation Institute, University of Northern Colorado, Greeley, CO; and
| | - Nicholas Pullen
- Department of Biological Sciences, University of Northern Colorado, Greeley, CO
| | - Reid Hayward
- Department of Kinesiology, Nutrition, and Dietetics, and the University of Northern Colorado Cancer Rehabilitation Institute, University of Northern Colorado, Greeley, CO; and
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2
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Pereira TCR, Fidale TM, Guimarães LC, Deconte SR, Herrera GC, Mundim AV, de Sales Cabral E, Lopes PR, de Souza FR, de Ulhôa Rocha Júnior LD, Silva ATF, Resende ES. Cardioprotective Effects of the 4-Week Aerobic Running Exercises Before Treatment with Doxorubicin in Rats. Cardiovasc Toxicol 2023; 23:265-277. [PMID: 37402033 DOI: 10.1007/s12012-023-09798-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 06/22/2023] [Indexed: 07/05/2023]
Abstract
Doxorubicin is associated with cardiotoxicity, and physical exercise seeks to minimize the toxic effects of doxorubicin through physiological cardiac remodeling, as well as the reduction of oxidative stress, evidenced by previous studies. This study aimed to analyze whether running training before treatment with doxorubicin influences tolerance to physical exertion and cardiotoxicity. Thirty-nine male Wistar rats, aged 90 days and weighing between 250 and 300 g, were divided into 4 groups: Control (C), Doxorubicin (D), Trained (T), and Trained + Doxorubicin (TD). Animals in groups T and DT were submitted to treadmill running for 3 weeks, 5 times a week at 18 m/min for 20-30 min before treatment with doxorubicin. Animals in groups D and DT received intraperitoneal injections of doxorubicin hydrochloride three times a week for two weeks, reaching a total cumulative dose of 7.50 mg/kg. Our results show an increase in total collagen fibers in the D group (p = 0.01), but no increase in the TD group, in addition to the attenuation of the number of cardiac mast cells in the animals in the TD group (p = 0.05). The animals in the TD group showed maintenance of tolerance to exertion compared to group D. Therefore, running training attenuated the cardiac damage caused by the treatment with doxorubicin, in addition to maintaining the tolerance to exertion in the rats.
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Affiliation(s)
- Talita Cristina Rodrigues Pereira
- Experimental Medicine Laboratory, Department of Medicine, Universidade Federal de Uberlândia-UFU, Uberlândia, MG, Brazil.
- , Uberlândia, Brazil.
| | - Thiago Montes Fidale
- Department of Medicine, Federal University of Catalão- UFCAT, Catalão-Goiás, Brazil
| | - Lucas Costa Guimarães
- Experimental Medicine Laboratory, Department of Medicine, Universidade Federal de Uberlândia-UFU, Uberlândia, MG, Brazil
| | - Simone Ramos Deconte
- Department of Physiology, Institute of Biomedical Sciences, Universidade Federal de Uberlândia-UFU, Uberlândia, MG, Brazil
| | | | | | - Eduardo de Sales Cabral
- Experimental Medicine Laboratory, Department of Medicine, Universidade Federal de Uberlândia-UFU, Uberlândia, MG, Brazil
| | - Paulo Ricardo Lopes
- Department of Physiology and Pathology, School of Dentistry-FOAr, Paulista State University "Julio de Mesquita Filho"-UNESP, Araraquara, SP, Brazil
| | - Fernanda Rodrigues de Souza
- Experimental Medicine Laboratory, Department of Medicine, Universidade Federal de Uberlândia-UFU, Uberlândia, MG, Brazil
| | | | - Alinne Tatiane Faria Silva
- Laboratory of Nanobiotechnology, Institute of Genetics and Biochemistry, Luiz Ricardo Goulart Filho, Universidade Federal de Uberlândia-UFU, Prof. Dr, Uberlândia, MG, Brazil
| | - Elmiro Santos Resende
- Graduate Program in Health Sciences-PPGCS, Faculty of Medicine, Universidade Federal de Uberlândia-UFU, Uberlândia, MG, Brazil
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3
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Dozic S, Howden EJ, Bell JR, Mellor KM, Delbridge LMD, Weeks KL. Cellular Mechanisms Mediating Exercise-Induced Protection against Cardiotoxic Anthracycline Cancer Therapy. Cells 2023; 12:cells12091312. [PMID: 37174712 PMCID: PMC10177216 DOI: 10.3390/cells12091312] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 04/25/2023] [Accepted: 04/27/2023] [Indexed: 05/15/2023] Open
Abstract
Anthracyclines such as doxorubicin are widely used chemotherapy drugs. A common side effect of anthracycline therapy is cardiotoxicity, which can compromise heart function and lead to dilated cardiomyopathy and heart failure. Dexrazoxane and heart failure medications (i.e., beta blockers and drugs targeting the renin-angiotensin system) are prescribed for the primary prevention of cancer therapy-related cardiotoxicity and for the management of cardiac dysfunction and symptoms if they arise during chemotherapy. However, there is a clear need for new therapies to combat the cardiotoxic effects of cancer drugs. Exercise is a cardioprotective stimulus that has recently been shown to improve heart function and prevent functional disability in breast cancer patients undergoing anthracycline chemotherapy. Evidence from preclinical studies supports the use of exercise training to prevent or attenuate the damaging effects of anthracyclines on the cardiovascular system. In this review, we summarise findings from experimental models which provide insight into cellular mechanisms by which exercise may protect the heart from anthracycline-mediated damage, and identify knowledge gaps that require further investigation. Improved understanding of the mechanisms by which exercise protects the heart from anthracyclines may lead to the development of novel therapies to treat cancer therapy-related cardiotoxicity.
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Affiliation(s)
- Sanela Dozic
- Central Clinical School, Monash University, Melbourne, VIC 3004, Australia
| | - Erin J Howden
- Central Clinical School, Monash University, Melbourne, VIC 3004, Australia
- Baker Heart and Diabetes Institute, Melbourne, VIC 3004, Australia
- Department of Cardiometabolic Health, The University of Melbourne, Parkville, VIC 3010, Australia
| | - James R Bell
- Department of Anatomy & Physiology, The University of Melbourne, Parkville, VIC 3010, Australia
- Department of Microbiology, Anatomy, Physiology & Pharmacology, La Trobe University, Bundoora, VIC 3086, Australia
| | - Kimberley M Mellor
- Department of Physiology, University of Auckland, Auckland 1023, New Zealand
| | - Lea M D Delbridge
- Department of Anatomy & Physiology, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Kate L Weeks
- Central Clinical School, Monash University, Melbourne, VIC 3004, Australia
- Department of Cardiometabolic Health, The University of Melbourne, Parkville, VIC 3010, Australia
- Department of Anatomy & Physiology, The University of Melbourne, Parkville, VIC 3010, Australia
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4
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Clayton ZS, Ade CJ, Dieli-Conwright CM, Mathelier HM. A bench to bedside perspective on anthracycline chemotherapy-mediated cardiovascular dysfunction: challenges and opportunities. A symposium review. J Appl Physiol (1985) 2022; 133:1415-1429. [PMID: 36302155 PMCID: PMC9762976 DOI: 10.1152/japplphysiol.00471.2022] [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: 08/12/2022] [Revised: 10/20/2022] [Accepted: 10/21/2022] [Indexed: 01/11/2023] Open
Abstract
Cardiovascular diseases (CVD) are the leading cause of death worldwide and the risk of developing CVD is markedly increased following anthracycline chemotherapy treatment. Anthracyclines are an essential component of the cancer treatment regimen used for common forms of cancer in male and female children, adolescents, young adults, and older adults. Increased CVD risk with anthracyclines occurs, in part, due to vascular dysfunction-impaired endothelial function and arterial stiffening. These features of vascular dysfunction also play a major role in other common disorders observed following anthracycline treatment, including chronic kidney disease, dementia, and exercise intolerance. However, the mechanisms by which anthracycline chemotherapy induces and sustains vascular dysfunction are incompletely understood. This budding area of biomedical research is termed cardio-oncology, which presents the unique opportunity for collaboration between physicians and basic scientists. This symposium, presented at Experimental Biology 2022, provided a timely update on this important biomedical research topic. The speakers presented observations made at levels from cells to mice to humans treated with anthracycline chemotherapeutic agents using an array of translational research approaches. The speaker panel included a diverse mix of female and male investigators and unique insight from a cardio-oncology physician-scientist. Particular emphasis was placed on challenges and opportunities in this field as well as mechanisms that could be viewed as therapeutic targets leading to novel treatment strategies.
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Affiliation(s)
- Zachary S Clayton
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado
| | - Carl J Ade
- Department of Kinesiology, Kansas State University, Manhattan, Kansas
| | - Christina M Dieli-Conwright
- Division of Population Sciences, Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts
| | - Hansie M Mathelier
- Penn Medicine, University of Pennsylvania Health System, Philadelphia, Pennsylvania
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5
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Parry TL, Tichy L, Brantley JT. Cardioprotective effects of preconditioning exercise in the female tumor bearing mouse. Front Cell Dev Biol 2022; 10:950479. [DOI: 10.3389/fcell.2022.950479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Accepted: 11/11/2022] [Indexed: 12/04/2022] Open
Abstract
Cancer cachexia, a metabolic wasting syndrome, affects up to 80% of cancer patients and leads to the death in up to 20% of cancer patients. While research is growing in the field, there are still no clear diagnostic criteria and cancer cachexia remains an untreated condition. Aerobic exercise has been shown to positively impact cachexia by slowing its development and attenuating muscle loss. The most effective timing, duration, and intensity of exercise as a preventative and protective measure against cancer cachexia remains questionable. Therefore, the purpose of this study was to examine the effects of preconditioning exercise as a protective measure for tumor-mediated muscle wasting. Female LC3 Tg+ and wildtype mice were randomly separated into four groups, sedentary non-tumor bearing (SED + NT), sedentary tumor bearing (SED + T), treadmill exercise non-tumor bearing (TM + NT), and treadmill exercise tumor bearing (TM + T). Mice underwent an 8-week treadmill exercise training protocol (TM) or remained sedentary (SED). Next, mice were implanted with tumor cells (T group; 5 × 105 Lewis Lung Carcinoma cells in flank) or remained non-tumor (NT) for 4 weeks. Tumor bearing resulted in a significant decline in cardiac function. SED + T showed a significant decrease in fractional shortening (p < 0.05) when compared to the other groups. This coincided with an increase in beclin-1 and MyD88 protein expression and decrease in p-FOXO1 (inactivated) protein expression in SED + T mice. Interestingly, preconditioning exercise (exercise prior to tumor bearing) appeared to preserve cardiac function (TM + T not significantly different than SED + NT). Exercise-mediated cardioprotection also coincided with abolished beclin-1 and MyD88 signaling that was not significantly elevated in TM + T mice. Additionally, TM resulted in a 22-fold decrease in estimated tumor volume (p < 0.05) and a 45% decrease in tumor mass (p < 0.05) compared to SED tumors. The data indicate potential cardioprotective effects of preconditioning exercise on preserving cardiac structure and function, as well as regulating autophagic (beclin-1), inflammatory (TGF-β and MyD88), and atrophy (p-FOXO1) pathways during tumor bearing. Preconditioning exercise may be an effective and accessible treatment intervention for early-stage cancer survivors. This data is crucial in identifying the significance of exercise and the timing of exercise as a protective measure against the detrimental effects of cancer cachexia.
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Tranchita E, Murri A, Grazioli E, Cerulli C, Emerenziani GP, Ceci R, Caporossi D, Dimauro I, Parisi A. The Beneficial Role of Physical Exercise on Anthracyclines Induced Cardiotoxicity in Breast Cancer Patients. Cancers (Basel) 2022; 14:cancers14092288. [PMID: 35565417 PMCID: PMC9104319 DOI: 10.3390/cancers14092288] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/15/2022] [Accepted: 04/29/2022] [Indexed: 12/24/2022] Open
Abstract
The increase in breast cancer (BC) survival has determined a growing survivor population that seems to develop several comorbidities and, specifically, treatment-induced cardiovascular disease (CVD), especially those patients treated with anthracyclines. Indeed, it is known that these compounds act through the induction of supraphysiological production of reactive oxygen species (ROS), which appear to be central mediators of numerous direct and indirect cardiac adverse consequences. Evidence suggests that physical exercise (PE) practised before, during or after BC treatments could represent a viable non-pharmacological strategy as it increases heart tolerance against many cardiotoxic agents, and therefore improves several functional, subclinical, and clinical parameters. At molecular level, the cardioprotective effects are mainly associated with an exercise-induced increase of stress response proteins (HSP60 and HSP70) and antioxidant (SOD activity, GSH), as well as a decrease in lipid peroxidation, and pro-apoptotic proteins such as Bax, Bax-to-Bcl-2 ratio. Moreover, this protection can potentially be explained by a preservation of myosin heavy chain (MHC) isoform distribution. Despite this knowledge, it is not clear which type of exercise should be suggested in BC patient undergoing anthracycline treatment. This highlights the lack of special guidelines on how affected patients should be managed more efficiently. This review offers a general framework for the role of anthracyclines in the physio-pathological mechanisms of cardiotoxicity and the potential protective role of PE. Finally, potential exercise-based strategies are discussed on the basis of scientific findings.
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Affiliation(s)
- Eliana Tranchita
- Laboratory of Physical Exercise and Sport Science, Department of Exercise, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (E.T.); (A.M.); (C.C.); (A.P.)
| | - Arianna Murri
- Laboratory of Physical Exercise and Sport Science, Department of Exercise, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (E.T.); (A.M.); (C.C.); (A.P.)
| | - Elisa Grazioli
- Laboratory of Physical Exercise and Sport Science, Department of Exercise, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (E.T.); (A.M.); (C.C.); (A.P.)
- Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy;
- Correspondence: ; Tel.: +39-06-3673-3532
| | - Claudia Cerulli
- Laboratory of Physical Exercise and Sport Science, Department of Exercise, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (E.T.); (A.M.); (C.C.); (A.P.)
| | - Gian Pietro Emerenziani
- Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy;
| | - Roberta Ceci
- Laboratory of Biochemistry and Molecular Biology, Department of Exercise, Human and Health Sciences, University of Rome Foro Italico, 00135 Rome, Italy;
| | - Daniela Caporossi
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (D.C.); (I.D.)
| | - Ivan Dimauro
- Unit of Biology and Genetics of Movement, Department of Movement, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (D.C.); (I.D.)
| | - Attilio Parisi
- Laboratory of Physical Exercise and Sport Science, Department of Exercise, Human and Health Sciences, University of Rome Foro Italico, Piazza Lauro de Bosis 15, 00135 Rome, Italy; (E.T.); (A.M.); (C.C.); (A.P.)
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7
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Kang DW, Wilson RL, Christopher CN, Normann AJ, Barnes O, Lesansee JD, Choi G, Dieli-Conwright CM. Exercise Cardio-Oncology: Exercise as a Potential Therapeutic Modality in the Management of Anthracycline-Induced Cardiotoxicity. Front Cardiovasc Med 2022; 8:805735. [PMID: 35097024 PMCID: PMC8796963 DOI: 10.3389/fcvm.2021.805735] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 12/23/2021] [Indexed: 12/19/2022] Open
Abstract
Anthracyclines are one of the most effective chemotherapy agents and have revolutionized cancer therapy. However, anthracyclines can induce cardiac injuries through ‘multiple-hits', a series of cardiovascular insults coupled with lifestyle risk factors, which increase the risk of developing short- and long-term cardiac dysfunction and cardiovascular disease that potentially lead to premature mortality following cancer remission. Therefore, the management of anthracycline-induced cardiotoxicity is a serious unmet clinical need. Exercise therapy, as a non-pharmacological intervention, stimulates numerous biochemical and physiologic adaptations, including cardioprotective effects, through the cardiovascular system and cardiac muscles, where exercise has been proposed to be an effective clinical approach that can protect or reverse the cardiotoxicity from anthracyclines. Many preclinical and clinical trials demonstrate the potential impacts of exercise on cardiotoxicity; however, the underlying mechanisms as well as how to implement exercise in clinical settings to improve or protect against long-term cardiovascular disease outcomes are not clearly defined. In this review, we summarize the current evidence in the field of “exercise cardio-oncology” and emphasize the utilization of exercise to prevent and manage anthracycline-induced cardiotoxicities across high-risk and vulnerable populations diagnosed with cancer.
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Affiliation(s)
- Dong-Woo Kang
- Division of Population Sciences, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, United States
- Department of Medicine, Harvard Medical School, Boston, MA, United States
| | - Rebekah L. Wilson
- Division of Population Sciences, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, United States
- Department of Medicine, Harvard Medical School, Boston, MA, United States
| | - Cami N. Christopher
- Division of Population Sciences, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, United States
- Department of Epidemiology, School of Public Health, Boston University, Boston, MA, United States
| | - Amber J. Normann
- Division of Population Sciences, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, United States
- Department of Health Sciences, Boston University, Boston, MA, United States
| | - Oscar Barnes
- Green Templeton College, University of Oxford, Oxford, United Kingdom
| | - Jordan D. Lesansee
- Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO, United States
| | | | - Christina M. Dieli-Conwright
- Division of Population Sciences, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, United States
- Department of Medicine, Harvard Medical School, Boston, MA, United States
- *Correspondence: Christina M. Dieli-Conwright
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8
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Naaktgeboren WR, Binyam D, Stuiver MM, Aaronson NK, Teske AJ, van Harten WH, Groen WG, May AM. Efficacy of Physical Exercise to Offset Anthracycline-Induced Cardiotoxicity: A Systematic Review and Meta-Analysis of Clinical and Preclinical Studies. J Am Heart Assoc 2021; 10:e021580. [PMID: 34472371 PMCID: PMC8649276 DOI: 10.1161/jaha.121.021580] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
Background Physical exercise is an intervention that might protect against doxorubicin‐induced cardiotoxicity. In this meta‐analysis and systematic review, we aimed to estimate the effect of exercise on doxorubicin‐induced cardiotoxicity and to evaluate mechanisms underlying exercise‐mediated cardioprotection using (pre)clinical evidence. Methods and Results We conducted a systematic search in PubMed, Embase, and Cochrane Central Register of Controlled Trials (CENTRAL) databases. Cochrane's and Systematic Review Centre for Laboratory Animal Experimentation (SYRCLE) risk‐of‐bias tools were used to assess the validity of human and animal studies, respectively. Cardiotoxicity outcomes reported by ≥3 studies were pooled and structured around the type of exercise intervention. Forty articles were included, of which 3 were clinical studies. Overall, in humans (sample sizes ranging from 24 to 61), results were indicative of exercise‐mediated cardioprotection, yet they were not sufficient to establish whether physical exercise protects against doxorubicin‐induced cardiotoxicity. In animal studies (n=37), a pooled analysis demonstrated that forced exercise interventions significantly mitigated in vivo and ex vivo doxorubicin‐induced cardiotoxicity compared with nonexercised controls. Similar yet slightly smaller effects were found for voluntary exercise interventions. We identified oxidative stress and related pathways, and less doxorubicin accumulation as mechanisms underlying exercise‐induced cardioprotection, of which the latter could act as an overarching mechanism. Conclusions Animal studies indicate that various exercise interventions can protect against doxorubicin‐induced cardiotoxicity in rodents. Less doxorubicin accumulation in cardiac tissue could be a key underlying mechanism. Given the preclinical evidence and limited availability of clinical data, larger and methodologically rigorous clinical studies are needed to clarify the role of physical exercise in preventing cardiotoxicity in patients with cancer. Registration URL: https://www.crd.york.ac.uk/prospero; Unique identifier: CRD42019118218.
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Affiliation(s)
- Willeke R Naaktgeboren
- Division of Psychosocial Research and Epidemiology The Netherlands Cancer Institute Amsterdam the Netherlands.,Julius Center for Health Sciences and Primary Care University Medical Center UtrechtUtrecht University Utrecht The Netherlands
| | - David Binyam
- Julius Center for Health Sciences and Primary Care University Medical Center UtrechtUtrecht University Utrecht The Netherlands
| | - Martijn M Stuiver
- Division of Psychosocial Research and Epidemiology The Netherlands Cancer Institute Amsterdam the Netherlands.,Center for Quality of Life The Netherlands Cancer Institute Amsterdam The Netherlands.,Centre of Expertise Urban Vitality Faculty of Health Amsterdam University of Applied Sciences Amsterdam The Netherlands
| | - Neil K Aaronson
- Division of Psychosocial Research and Epidemiology The Netherlands Cancer Institute Amsterdam the Netherlands
| | - Arco J Teske
- Department of Cardiology University Medical Center UtrechtUtrecht University Utrecht The Netherlands
| | - Wim H van Harten
- Division of Psychosocial Research and Epidemiology The Netherlands Cancer Institute Amsterdam the Netherlands.,Department of Health Technology and Services Research University of Twente Enschede The Netherlands
| | - Wim G Groen
- Division of Psychosocial Research and Epidemiology The Netherlands Cancer Institute Amsterdam the Netherlands
| | - Anne M May
- Julius Center for Health Sciences and Primary Care University Medical Center UtrechtUtrecht University Utrecht The Netherlands
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9
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Ghignatti PVDC, Nogueira LJ, Lehnen AM, Leguisamo NM. Cardioprotective effects of exercise training on doxorubicin-induced cardiomyopathy: a systematic review with meta-analysis of preclinical studies. Sci Rep 2021; 11:6330. [PMID: 33737561 PMCID: PMC7973566 DOI: 10.1038/s41598-021-83877-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Accepted: 02/08/2021] [Indexed: 12/28/2022] Open
Abstract
Doxorubicin (DOX)-induced cardiotoxicity in chemotherapy is a major treatment drawback. Clinical trials on the cardioprotective effects of exercise in cancer patients have not yet been published. Thus, we conducted a systematic review and meta-analysis of preclinical studies for to assess the efficacy of exercise training on DOX-induced cardiomyopathy. We included studies with animal models of DOX-induced cardiomyopathy and exercise training from PubMed, Web of Sciences and Scopus databases. The outcome was the mean difference (MD) in fractional shortening (FS, %) assessed by echocardiography between sedentary and trained DOX-treated animals. Trained DOX-treated animals improved 7.40% (95% CI 5.75-9.05, p < 0.001) in FS vs. sedentary animals. Subgroup analyses revealed a superior effect of exercise training execution prior to DOX exposure (MD = 8.20, 95% CI 6.27-10.13, p = 0.010). The assessment of cardiac function up to 10 days after DOX exposure and completion of exercise protocol was also associated with superior effect size in FS (MD = 7.89, 95% CI 6.11-9.67, p = 0.020) vs. an echocardiography after over 4 weeks. Modality and duration of exercise, gender and cumulative DOX dose did were not individually associated with changes on FS. Exercise training is a cardioprotective approach in rodent models of DOX-induced cardiomyopathy. Exercise prior to DOX exposure exerts greater effect sizes on FS preservation.
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Affiliation(s)
- Paola Victória da Costa Ghignatti
- Post-Graduate Program in Health Sciences: Cardiology, Institute of Cardiology of Rio Grande do Sul/University Foundation of Cardiology, Av. Princesa Isabel, 370, Porto Alegre, Rio Grande do Sul, CEP 90620-001, Brazil
| | - Laura Jesuíno Nogueira
- Post-Graduate Program in Health Sciences: Cardiology, Institute of Cardiology of Rio Grande do Sul/University Foundation of Cardiology, Av. Princesa Isabel, 370, Porto Alegre, Rio Grande do Sul, CEP 90620-001, Brazil
| | - Alexandre Machado Lehnen
- Post-Graduate Program in Health Sciences: Cardiology, Institute of Cardiology of Rio Grande do Sul/University Foundation of Cardiology, Av. Princesa Isabel, 370, Porto Alegre, Rio Grande do Sul, CEP 90620-001, Brazil
| | - Natalia Motta Leguisamo
- Post-Graduate Program in Health Sciences: Cardiology, Institute of Cardiology of Rio Grande do Sul/University Foundation of Cardiology, Av. Princesa Isabel, 370, Porto Alegre, Rio Grande do Sul, CEP 90620-001, Brazil.
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10
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Carrasco R, Castillo RL, Gormaz JG, Carrillo M, Thavendiranathan P. Role of Oxidative Stress in the Mechanisms of Anthracycline-Induced Cardiotoxicity: Effects of Preventive Strategies. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:8863789. [PMID: 33574985 PMCID: PMC7857913 DOI: 10.1155/2021/8863789] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 11/29/2020] [Accepted: 12/31/2020] [Indexed: 12/15/2022]
Abstract
Anthracycline-induced cardiotoxicity (AIC) persists as a significant cause of morbidity and mortality in cancer survivors. Although many protective strategies have been evaluated, cardiotoxicity remains an ongoing threat. The mechanisms of AIC remain unclear; however, several pathways have been proposed, suggesting a multifactorial origin. When the central role of topoisomerase 2β in the pathophysiology of AIC was described some years ago, the classical reactive oxygen species (ROS) hypothesis shifted to a secondary position. However, new insights have reemphasized the importance of the role of oxidative stress-mediated signaling as a common pathway and a critical modulator of the different mechanisms involved in AIC. A better understanding of the mechanisms of cardiotoxicity is crucial for the development of treatment strategies. It has been suggested that the available therapeutic interventions for AIC could act on the modulation of oxidative balance, leading to a reduction in oxidative stress injury. These indirect antioxidant effects make them an option for the primary prevention of AIC. In this review, our objective is to provide an update of the accumulated knowledge on the role of oxidative stress in AIC and the modulation of the redox balance by potential preventive strategies.
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Affiliation(s)
- Rodrigo Carrasco
- Division of Cardiology, Peter Munk Cardiac Centre and the Ted Rogers Centre for Heart Research, University Health Network, Toronto, Ontario, Canada
| | - Rodrigo L. Castillo
- Medicine Department, East Division, Faculty of Medicine, University of Chile. Santiago, Chile; Critical Care Patient Unit, Hospital Salvador, Santiago, Chile
| | - Juan G. Gormaz
- Faculty of Medicine, University of Chile, Santiago, Chile
| | - Montserrat Carrillo
- Division of Cardiology, Peter Munk Cardiac Centre and the Ted Rogers Centre for Heart Research, University Health Network, Toronto, Ontario, Canada
| | - Paaladinesh Thavendiranathan
- Division of Cardiology, Peter Munk Cardiac Centre and the Ted Rogers Centre for Heart Research, University Health Network, Toronto, Ontario, Canada
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11
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Georgiadis N, Tsarouhas K, Rezaee R, Nepka H, Kass GEN, Dorne JLCM, Stagkos D, Toutouzas K, Spandidos DA, Kouretas D, Tsitsimpikou C. What is considered cardiotoxicity of anthracyclines in animal studies. Oncol Rep 2020; 44:798-818. [PMID: 32705236 PMCID: PMC7388356 DOI: 10.3892/or.2020.7688] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 07/14/2020] [Indexed: 12/22/2022] Open
Abstract
Anthracyclines are commonly used anticancer drugs with well-known and extensively studied cardiotoxic effects in humans. In the clinical setting guidelines for assessing cardiotoxicity are well-established with important therapeutic implications. Cardiotoxicity in terms of impairment of cardiac function is largely diagnosed by echocardiography and based on objective metrics of cardiac function. Until this day, cardiotoxicity is not an endpoint in the current general toxicology and safety pharmacology preclinical studies, although other classes of drugs apart from anthracyclines, along with everyday chemicals have been shown to manifest cardiotoxic properties. Also, in the relevant literature there are not well-established objective criteria or reference values in order to uniformly characterize cardiotoxic adverse effects in animal models. This in depth review focuses on the evaluation of two important echocardiographic indices, namely ejection fraction and fractional shortening, in the literature concerning anthracycline administration to rats as the reference laboratory animal model. The analysis of the gathered data gives promising results and solid prospects for both, defining anthracycline cardiotoxicity objective values and delineating the guidelines for assessing cardiotoxicity as a separate hazard class in animal preclinical studies for regulatory purposes.
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Affiliation(s)
| | | | - Ramin Rezaee
- Clinical Research Unit, Faculty of Medicine, Mashhad University of Medical Sciences, 9177948564 Mashhad, Iran
| | - Haritini Nepka
- Department of Pathology, University Hospital of Larissa, 41334 Larissa, Greece
| | | | | | - Dimitrios Stagkos
- Department of Biochemistry and Biotechnology, University of Thessaly, 41500 Larissa, Greece
| | - Konstantinos Toutouzas
- First Department of Cardiology, Hippokration Hospital, Medical School, University of Athens, 11527 Athens, Greece
| | - Demetrios A Spandidos
- Laboratory of Virology, Medical School, University of Crete, 71003 Heraklion, Greece
| | - Dimitrios Kouretas
- Department of Biochemistry and Biotechnology, University of Thessaly, 41500 Larissa, Greece
| | - Christina Tsitsimpikou
- Department of Biochemistry and Biotechnology, University of Thessaly, 41500 Larissa, Greece
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12
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Boengler K, Schlüter KD, Schermuly RT, Schulz R. Cardioprotection in right heart failure. Br J Pharmacol 2020; 177:5413-5431. [PMID: 31995639 PMCID: PMC7680005 DOI: 10.1111/bph.14992] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 12/04/2019] [Accepted: 01/06/2020] [Indexed: 02/06/2023] Open
Abstract
Ischaemic and pharmacological conditioning of the left ventricle is mediated by the activation of signalling cascades, which finally converge at the mitochondria and reduce ischaemia/reperfusion (I/R) injury. Whereas the molecular mechanisms of conditioning in the left ventricle are well characterized, cardioprotection of the right ventricle is principally feasible but less established. Similar to what is known for the left ventricle, a dysregulation in signalling pathways seems to play a role in I/R injury of the healthy and failing right ventricle and in the ability/inability of the right ventricle to respond to a conditioning stimulus. The maintenance of mitochondrial function seems to be crucial in both ventricles to reduce I/R injury. As far as currently known, similar molecular mechanisms mediate ischaemic and pharmacological preconditioning in the left and right ventricles. However, the two ventricles seem to respond differently towards exercise‐induced preconditioning. LINKED ARTICLES This article is part of a themed issue on Risk factors, comorbidities, and comedications in cardioprotection. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v177.23/issuetoc
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Affiliation(s)
- Kerstin Boengler
- Institute of Physiology, Justus-Liebig University, Giessen, Germany
| | | | | | - Rainer Schulz
- Institute of Physiology, Justus-Liebig University, Giessen, Germany
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13
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Carrasco R, Ramirez MC, Nes K, Schuster A, Aguayo R, Morales M, Ramos C, Hasson D, Sotomayor CG, Henriquez P, Cortés I, Erazo M, Salas C, Gormaz JG. Prevention of doxorubicin-induced Cardiotoxicity by pharmacological non-hypoxic myocardial preconditioning based on Docosahexaenoic Acid (DHA) and carvedilol direct antioxidant effects: study protocol for a pilot, randomized, double-blind, controlled trial (CarDHA trial). Trials 2020; 21:137. [PMID: 32019575 PMCID: PMC7001267 DOI: 10.1186/s13063-019-3963-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 12/05/2019] [Indexed: 12/11/2022] Open
Abstract
Background Anthracycline-induced cardiotoxicity (AIC), a condition associated with multiple mechanisms of damage, including oxidative stress, has been associated with poor clinical outcomes. Carvedilol, a β-blocker with unique antioxidant properties, emerged as a strategy to prevent AIC, but recent trials question its effectiveness. Some evidence suggests that the antioxidant, not the β-blocker effect, could prevent related cardiotoxicity. However, carvedilol’s antioxidant effects are probably not enough to prevent cardiotoxicity manifestations in certain cases. We hypothesize that breast cancer patients taking carvedilol as well as a non-hypoxic myocardial preconditioning based on docosahexaenoic acid (DHA), an enhancer of cardiac endogenous antioxidant capacity, will develop less subclinical cardiotoxicity manifestations than patients randomized to double placebo. Methods/design We designed a pilot, randomized controlled, two-arm clinical trial with 32 patients to evaluate the effects of non-hypoxic cardiac preconditioning (DHA) plus carvedilol on subclinical cardiotoxicity in breast cancer patients undergoing anthracycline treatment. The trial includes four co-primary endpoints: changes in left ventricular ejection fraction (LVEF) determined by cardiac magnetic resonance (CMR); changes in global longitudinal strain (GLS) determined by two-dimensional echocardiography (ECHO); elevation in serum biomarkers (hs-cTnT and NT-ProBNP); and one electrocardiographic variable (QTc interval). Secondary endpoints include other imaging, biomarkers and the occurrence of major adverse cardiac events during follow-up. The enrollment and follow-up for clinical outcomes is ongoing. Discussion We expect a group of anthracycline-treated breast cancer patients exposed to carvedilol and non-hypoxic myocardial preconditioning with DHA to show less subclinical cardiotoxicity manifestations than a comparable group exposed to placebo. Trial registration ISRCTN registry, ID: ISRCTN69560410. Registered on 8 June 2016.
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Affiliation(s)
- Rodrigo Carrasco
- Cardiology Department, Clinica Alemana de Santiago, Santiago, Chile.,Cardiology Department, Hospital del Salvador, Santiago, Chile
| | | | - Kjersti Nes
- Cardiology Department, Hospital San Juan de Dios, Santiago, Chile
| | - Andrés Schuster
- Cardiology Department, Clinica Alemana de Santiago, Santiago, Chile
| | - Rubén Aguayo
- Cardiology Department, Hospital San Juan de Dios, Santiago, Chile
| | - Marcelo Morales
- Cardiology Department, Clinica Alemana de Santiago, Santiago, Chile.,Cardiology Department, Hospital San Juan de Dios, Santiago, Chile
| | - Cristobal Ramos
- Radiology Department, Clinica Alemana de Santiago, Santiago, Chile
| | - Daniel Hasson
- Radiology Department, Clinica Alemana de Santiago, Santiago, Chile
| | - Camilo G Sotomayor
- Department of Internal Medicine, University Medical Center Groningen, Groningen, The Netherlands
| | - Pablo Henriquez
- Cardiology Department, Hospital San Juan de Dios, Santiago, Chile
| | - Ignacio Cortés
- Cardiology Department, Hospital San Juan de Dios, Santiago, Chile
| | - Marcia Erazo
- Publich Health Institute, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Claudio Salas
- Medical Oncology Department, Clinica Alemana de Santiago, Vitacura 5951, Santiago, Chile
| | - Juan G Gormaz
- Medical Oncology Department, Clinica Alemana de Santiago, Vitacura 5951, Santiago, Chile.
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14
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Denlinger CS, Sanft T, Baker KS, Broderick G, Demark-Wahnefried W, Friedman DL, Goldman M, Hudson M, Khakpour N, King A, Koura D, Lally RM, Langbaum TS, McDonough AL, Melisko M, Montoya JG, Mooney K, Moslehi JJ, O'Connor T, Overholser L, Paskett ED, Peppercorn J, Pirl W, Rodriguez MA, Ruddy KJ, Silverman P, Smith S, Syrjala KL, Tevaarwerk A, Urba SG, Wakabayashi MT, Zee P, McMillian NR, Freedman-Cass DA. Survivorship, Version 2.2018, NCCN Clinical Practice Guidelines in Oncology. J Natl Compr Canc Netw 2019; 16:1216-1247. [PMID: 30323092 DOI: 10.6004/jnccn.2018.0078] [Citation(s) in RCA: 109] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The NCCN Guidelines for Survivorship provide screening, evaluation, and treatment recommendations for common physical and psychosocial consequences of cancer and cancer treatment to help healthcare professionals who work with survivors of adult-onset cancer in the posttreatment period. This portion of the guidelines describes recommendations regarding the management of anthracycline-induced cardiotoxicity and lymphedema. In addition, recommendations regarding immunizations and the prevention of infections in cancer survivors are included.
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15
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The Effects of Wheel Running on Skeletal Muscle Function During and Following Doxorubicin Treatment. REHABILITATION ONCOLOGY 2019. [DOI: 10.1097/01.reo.0000000000000146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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16
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Abstract
Although highly effective, doxorubicin (DOX) use is limited by a dose-dependent cardiotoxicity. The purpose of this study was to determine whether resistance training (RT) would protect against DOX-induced cardiac dysfunction and determine whether any observed functional preservation is a result of reduced lipid peroxidation or a preservation of the cardiac myosin heavy chain (MHC) isoform distribution. Rats were resistance-trained or remained sedentary for 12 weeks, then treated with 12.5 mg/kg DOX or 0.9% saline. Five days after DOX exposure, cardiac function, lipid peroxidation, and MHC isoform expression were quantified. RT preserved cardiac function and attenuated the α-to β-MHC shift that occurs with DOX treatment. No significant differences in lipid peroxidation were observed between sedentary and RT animals treated with DOX. These data suggest that resistance-type exercise can provide protection against DOX-induced cardiac dysfunction, which may be a result of a preservation of the cardiac MHC isoform distribution.
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17
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Abstract
We report the cardioprotective effects of moderate aerobic exercise from parallel pediatric murine models of doxorubicin (Doxo) exposure in non-tumor-bearing immune competent (NTB-IC) mice and tumor-bearing nude mice (TB-NM). In both models, animals at 4 weeks of age underwent Doxo treatment with or without 2 weeks of simultaneous exercise. In sedentary NTB-IC or TB-NM mice, Doxo treatment resulted in a statistically significant decrease in ejection fraction and fractional shortening compared with control animals. Interestingly, moderate aerobic exercise during Doxo treatment significantly mitigated decreases in ejection fraction and fractional shortening. In contrast, these protective effects of exercise were not observed when exercise was started after completion of Doxo treatments. Moreover, in the TB-NM model, Doxo caused a decrease in heart mass: tibia length and in body weight that was prevented by exercise, whereas NTB-IC mice exhibited no change in these measurements. Doxo delivery to the hearts of TB-NM was decreased by consistent moderate aerobic exercise before Doxo injection. These findings demonstrate the important but subtle differences in cardiotoxicity observed in different mouse models. Collectively, these results also strongly suggest that aerobic exercise during early-life Doxo exposure mitigates cardiotoxicity, possibly through altered delivery of Doxo to myocardial tissue.
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18
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Squires RW, Shultz AM, Herrmann J. Exercise Training and Cardiovascular Health in Cancer Patients. Curr Oncol Rep 2018. [DOI: 10.1007/s11912-018-0681-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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19
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Marques-Aleixo I, Santos-Alves E, Oliveira PJ, Moreira PI, Magalhães J, Ascensão A. The beneficial role of exercise in mitigating doxorubicin-induced Mitochondrionopathy. Biochim Biophys Acta Rev Cancer 2018; 1869:189-199. [PMID: 29408395 DOI: 10.1016/j.bbcan.2018.01.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 01/09/2018] [Accepted: 01/11/2018] [Indexed: 01/07/2023]
Abstract
Doxorubicin (DOX) is a widely used antineoplastic agent for a wide range of cancers, including hematological malignancies, soft tissue sarcomas and solid tumors. However, DOX exhibits a dose-related toxicity that results in life-threatening cardiomyopathy. In addition to the heart, there is evidence that DOX toxicity extends to other organs. This general toxicity seems to be related to mitochondrial network structural, molecular and functional impairments. Several countermeasures for these negative effects have been proposed, being physical exercise, not only one of the most effective non-pharmacologic strategy but also widely recommended as booster against cancer-related fatigue. It is widely accepted that mitochondria are critical sensors of tissue functionality, both modulated by DOX and exercise. Therefore, this review focuses on the current understanding of the mitochondrial-mediated mechanisms underlying the protective effect of exercise against DOX-induced toxicity, not only limited to the cardiac tissue, but also in other tissues such as skeletal muscle, liver and brain. We here analyze recent developments regarding the beneficial effects of exercise targeting mitochondrial responsive phenotypes against redox changes, mitochondrial bioenergetics, apoptotic, dynamics and quality control signalling affected by DOX treatment.
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Affiliation(s)
- I Marques-Aleixo
- CIAFEL - Research Centre in Physical Activity, Health and Leisure, Portugal; LAMETEX - Laboratory of Exercise and Metabolism; Faculty of Psychology, Education and Sport, University Lusófona of Porto, Portugal.
| | - E Santos-Alves
- CIAFEL - Research Centre in Physical Activity, Health and Leisure, Portugal; LAMETEX - Laboratory of Exercise and Metabolism; Departament de Biologia Cellular, Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Spain
| | - P J Oliveira
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, UC Biotech Building, Biocant Park, Cantanhede, Portugal
| | - P I Moreira
- CNC - Centre for Neuroscience and Cell Biology, University of Coimbra, Portugal; Institute of Physiology, Faculty of Medicine, University of Coimbra, Portugal
| | - J Magalhães
- CIAFEL - Research Centre in Physical Activity, Health and Leisure, Portugal; LAMETEX - Laboratory of Exercise and Metabolism; Faculty of Sport, University of Porto, Portugal
| | - A Ascensão
- CIAFEL - Research Centre in Physical Activity, Health and Leisure, Portugal; LAMETEX - Laboratory of Exercise and Metabolism; Faculty of Sport, University of Porto, Portugal
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20
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The Positive Effects of Exercise in Chemotherapy-Related Cardiomyopathy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 1000:103-129. [DOI: 10.1007/978-981-10-4304-8_8] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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21
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Bredahl EC, Hydock DS. Creatine Supplementation and Doxorubicin-Induced Skeletal Muscle Dysfunction: An Ex Vivo Investigation. Nutr Cancer 2017; 69:607-615. [PMID: 28323480 DOI: 10.1080/01635581.2017.1295089] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Supplementing the diet with creatine (Cr) to manage chemotherapy-induced skeletal muscle weakness and fatigue has potential, but little has been done exploring it as an intervention. This study examined the effects of Cr on skeletal muscle dysfunction induced by the chemotherapy drug doxorubicin (Dox). Soleus and extensor digitorum longus (EDL) from male Sprague-Dawley rats maintained in an organ bath were incubated in Krebs-Henseleit (KH) buffer with or without creatine monohydrate (25 mM) for 30 min. Skeletal muscle was then incubated in KH buffer with or without Dox (24 μM) for an additional 30 min. Baths were then refreshed with KH buffer, and a 100-s fatigue protocol was administered. At baseline (0 s time point), no significant differences in force production were observed in the slow, type I soleus, but the Dox-treated soleus fatigued quicker than the non-Dox-treated soleus; however, pretreatment with Cr extended the time to fatigue in the Dox-treated soleus. In the fast, type II EDL, Dox treatment decreased force production at baseline and increased fatigue, and Cr treatment prior to Dox attenuated this dysfunction. Creatine pretreatment mitigated Dox-induced skeletal muscle dysfunction ex vivo suggesting that Cr may play a role in managing Dox-induced skeletal muscle side effects.
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Affiliation(s)
- Eric C Bredahl
- a Department of Exercise Science and Pre-Health Professions , Creighton University , Omaha , Nebraska , USA
| | - David S Hydock
- b School of Sport and Exercise Science, University of Northern Colorado , Greeley , Colorado , USA.,c The University of Northern Colorado Cancer Rehabilitation Institute, University of Northern Colorado , Greeley , Colorado , USA
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22
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Chen JJ, Wu PT, Middlekauff HR, Nguyen KL. Aerobic exercise in anthracycline-induced cardiotoxicity: a systematic review of current evidence and future directions. Am J Physiol Heart Circ Physiol 2017; 312:H213-H222. [PMID: 27923793 PMCID: PMC6734062 DOI: 10.1152/ajpheart.00646.2016] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 11/04/2016] [Accepted: 11/18/2016] [Indexed: 01/01/2023]
Abstract
Cancer and cardiovascular disease are major causes of morbidity and mortality worldwide. Older cancer patients often wrestle with underlying heart disease during cancer therapy, whereas childhood cancer survivors are living long enough to face long-term unintended cardiac consequences of cancer therapies, including anthracyclines. Although effective and widely used, particularly in the pediatric population, anthracycline-related side effects including dose-dependent association with cardiac dysfunction limit their usage. Currently, there is only one United States Food and Drug Administration-approved drug, dexrazoxane, available for the prevention and mitigation of cardiotoxicity related to anthracycline therapy. While aerobic exercise has been shown to reduce cardiovascular complications in multiple diseases, its role as a therapeutic approach to mitigate cardiovascular consequences of cancer therapy is in its infancy. This systematic review aims to summarize how aerobic exercise can help to alleviate unintended cardiotoxic side effects and identify gaps in need of further research. While published work supports the benefits of aerobic exercise, additional clinical investigations are warranted to determine the effects of different exercise modalities, timing, and duration to identify optimal aerobic training regimens for reducing cardiovascular complications, particularly late cardiac effects, in cancer survivors exposed to anthracyclines.
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Affiliation(s)
- Joseph J Chen
- Division of Cardiology, David Geffen School of Medicine at University of California, Los Angeles, California; and
- Division of Cardiology, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, California
| | - Pei-Tzu Wu
- Division of Cardiology, David Geffen School of Medicine at University of California, Los Angeles, California; and
- Division of Cardiology, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, California
| | - Holly R Middlekauff
- Division of Cardiology, David Geffen School of Medicine at University of California, Los Angeles, California; and
| | - Kim-Lien Nguyen
- Division of Cardiology, David Geffen School of Medicine at University of California, Los Angeles, California; and
- Division of Cardiology, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, California
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23
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Keats MR, Grandy SA, Giacomantonio N, MacDonald D, Rajda M, Younis T. EXercise to prevent AnthrCycline-based Cardio-Toxicity (EXACT) in individuals with breast or hematological cancers: a feasibility study protocol. Pilot Feasibility Stud 2016; 2:44. [PMID: 27965861 PMCID: PMC5153674 DOI: 10.1186/s40814-016-0084-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Accepted: 06/23/2016] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Anthracyclines (AC), widely used and effective anticancer agents, are known to induce both acute and chronic declines in cardiovascular health, ranging in severity from asymptomatic, subclinical dysfunction to substantial cardiomyopathy leading to congestive heart failure and death. There is substantial evidence that physical activity, higher levels of cardiorespiratory fitness, and exercise therapy can help prevent cardiovascular disease. Moreover, animal studies have shown that exercise performed concomitantly with AC treatment may attenuate early cardiac damage that results from AC exposure. Our primary objective is to assess the feasibility of a 12-week aerobic exercise training (AET) program in patients receiving AC-based chemotherapy. METHODS/DESIGN This is a prospective, single-arm (pre-post-test design), feasibility study of a supervised 12-week progressive, light-to-moderate to moderate-to-vigorous intensity AET program for patients (18-65 years) receiving AC chemotherapeutic treatment for a primary/non-recurrent breast cancer or hematological malignancy. Both feasibility (e.g., participant recruitment, program adherence, safety) and intervention outcome (e.g., biological markers of cardiotoxicity, aerobic capacity, quality of life) measures will be collected. The AET program will include two, 45-min community-based exercise sessions (treadmill or cycle) per week for a total of 12 weeks. All exercise sessions will be supervised by trained exercise specialists. DISCUSSION Data from the EXACT study will be evaluated to determine the need to refine patient recruitment methods and general acceptability of the AET program. Preliminary data on the effects of the AET intervention on pertinent cardiac and health outcomes will also be evaluated and used to inform future studies in terms of the most appropriate outcome measure(s) to adopt and sample size estimation. TRIAL REGISTRATION ClinicalTrails.gov, NCT02471053.
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Affiliation(s)
- Melanie R. Keats
- School of Health and Human Performance (Kinesiology), Dalhousie University, PO Box 15000, 6230 South Street, Halifax, Nova Scotia B3H 4R2 Canada
| | - Scott A. Grandy
- School of Health and Human Performance (Kinesiology), Dalhousie University, PO Box 15000, 6230 South Street, Halifax, Nova Scotia B3H 4R2 Canada
| | - Nicholas Giacomantonio
- Division of Cardiology, Department of Medicine, Dalhousie University, Halifax, Nova Scotia Canada
- QEII Health Sciences Center—HI Site, Suite 2261—1796 Summer St., Halifax, Nova Scotia B3H 3A6 Canada
| | - David MacDonald
- Division of Hematology, Department of Medicine, Dalhousie University, Halifax, Nova Scotia Canada
- QEII Health Sciences Center, 1276 South Part Street, Halifax, Nova Scotia B3H 2Y9 Canada
| | - Miroslaw Rajda
- Division of Cardiology, Department of Medicine, Dalhousie University, Halifax, Nova Scotia Canada
- QEII Health Sciences Center—HI Site, Suite 2261—1796 Summer St., Halifax, Nova Scotia B3H 3A6 Canada
| | - Tallal Younis
- Division of Medical Oncology, Department of Medicine, Dalhousie University, Halifax, Nova Scotia Canada
- QEII Health Sciences Center, 1276 South Part Street, Halifax, Nova Scotia B3H 2Y9 Canada
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Yeung PKF, Tinkel J, Seeto D. A Pilot Study to Assess Adenosine 5'-triphosphate Metabolism in Red Blood Cells as a Drug Target for Potential Cardiovascular Protection. Curr Med Chem 2016; 15:224-32. [PMID: 26521884 PMCID: PMC4997928 DOI: 10.2174/1871529x15666151102102702] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Revised: 09/10/2015] [Accepted: 10/28/2015] [Indexed: 12/30/2022]
Abstract
OBJECTIVE To study the effect of exercise preconditioning on adenosine 5'triphosphate (ATP) metabolism in red blood cells and cardiovascular protection against injury induced by isoproterenol in vivo. METHODS Male Sprague Dawley rats (SDR) were each exercised on a treadmill for 15 minutes at 10 m/min and 10% grade (n = 7) (LowEx), or 14 m/min and 22% grade (n = 8) (VigEx). Two hours after the exercise, each rat received a single dose of isoproterenol (30 mg/kg) by subcutaneous (sc) injection. Two separate groups of SDR were used as control: One received no exercise (n = 10) (NoEx) and the other received no exercise and no isoproterenol (n = 11) (NoIso). Serial blood samples were collected over 5 hours for measurement of ATP and its catabolites by a validated HPLC. Hemodynamic recording was collected continuously for the duration of the experiment. Data were analysed using ANOVA and t-tests and difference considered significant at p < 0.05. RESULTS Exercise pre-conditioning (both LowEx and VigEx) reduced mortality after isoproterenol from 50% to < 30% (p > 0.05). It attenuated the rebound in blood pressure significantly (p < 0.05 between NoEx vs VigEx), attenuated the increase of RBC adenosine 5'-monophosphate (AMP) concentrations induced by isoproterenol, and also decreased the breakdown of ATP to AMP in the RBC (p < 0.05 vs NoEx). CONCLUSION Exercise pre-conditioning decreased the blood pressure rebound and also breakdown of ATP in RBC after isoproterenol which may be exploited further as a drug target for cardiovascular protection and prevention.
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Affiliation(s)
- Pollen K F Yeung
- College of Pharmacy and Department of Medicine, Dalhousie University, Halifax, NS, Canada B3H 4R2.
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Quinn CJ, Burns PD, Gibson NM, Bashore A, Hayward R, Hydock DS. Effects of Chronic Endurance Exercise on Doxorubicin-Induced Thymic Damage. Integr Cancer Ther 2015; 15:535-541. [PMID: 26590123 DOI: 10.1177/1534735415617014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The use of prior exercise training has shown promise in minimizing doxorubicin (DOX)-induced physical impairments. The purpose of this study was to compare changes in thymus mass, thymocyte (T-cell) number, and tissue peroxidation following chronic endurance exercise and DOX treatment in the rat. The thymus mass, number of viable T-cells, and levels of malondialdehyde and 4-hydroxyalkenals (MDA+4-HAE) were compared 3 days post-injection between rats assigned to the following treatment conditions: (a) 10 weeks of endurance training, followed by a saline injection 24 hours after the last training session (TM+SAL); (b) treadmill training as above, followed by a single, bolus 10-mg/kg injection of DOX (TM+10); (c) treadmill training with 12.5 mg/kg of DOX (TM+12.5); (d) sedentary (without exercise) and a saline injection (SED+SAL); (e) sedentary with 10 mg/kg of DOX (SED+10); and (f) sedentary with 12.5 mg/kg (SED+12.5). Thymic mass and T-cell numbers significantly decreased following DOX injections. TM rats exhibited significantly less lipid peroxidation compared with paired-dose SED groups. TM+10 did not significantly differ from SED+SAL in thymic levels of lipid peroxidation. We conclude that chronic endurance exercise decreases levels of lipid peroxidation in the thymus seen with acute DOX treatment.
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Affiliation(s)
| | | | | | - Alex Bashore
- University of Northern Colorado, Greeley, CO, USA
| | - Reid Hayward
- University of Northern Colorado, Greeley, CO, USA
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Lien CY, Jensen BT, Hydock DS, Hayward R. Short-term exercise training attenuates acute doxorubicin cardiotoxicity. J Physiol Biochem 2015; 71:669-78. [DOI: 10.1007/s13105-015-0432-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Accepted: 09/01/2015] [Indexed: 12/24/2022]
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Exercise Prevention of Cardiovascular Disease in Breast Cancer Survivors. JOURNAL OF ONCOLOGY 2015; 2015:917606. [PMID: 26339243 PMCID: PMC4539168 DOI: 10.1155/2015/917606] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Accepted: 12/11/2014] [Indexed: 12/18/2022]
Abstract
Thanks to increasingly effective treatment, breast cancer mortality rates have significantly declined over the past few decades. Following the increase in life expectancy of women diagnosed with breast cancer, it has been recognized that these women are at an elevated risk for cardiovascular disease due in part to the cardiotoxic side effects of treatment. This paper reviews evidence for the role of exercise in prevention of cardiovascular toxicity associated with chemotherapy used in breast cancer, and in modifying cardiovascular risk factors in breast cancer survivors. There is growing evidence indicating that the primary mechanism for this protective effect appears to be improved antioxidant capacity in the heart and vasculature and subsequent reduction of treatment-related oxidative stress in these structures. Further clinical research is needed to determine whether exercise is a feasible and effective nonpharmacological treatment to reduce cardiovascular morbidity and mortality in breast cancer survivors, to identify the cancer therapies for which it is effective, and to determine the optimal exercise dose. Safe and noninvasive measures that are sensitive to changes in cardiovascular function are required to answer these questions in patient populations. Cardiac strain, endothelial function, and cardiac biomarkers are suggested outcome measures for clinical research in this field.
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Lindsey ML, Lange RA, Parsons H, Andrews T, Aune GJ. The tell-tale heart: molecular and cellular responses to childhood anthracycline exposure. Am J Physiol Heart Circ Physiol 2014; 307:H1379-89. [PMID: 25217655 DOI: 10.1152/ajpheart.00099.2014] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Since the modern era of cancer chemotherapy that began in the mid-1940s, survival rates for children afflicted with cancer have steadily improved from 10% to current rates that approach 80% (60). Unfortunately, many long-term survivors of pediatric cancer develop chemotherapy-related health effects; 25% are afflicted with a severe or life-threatening medical condition, with cardiovascular disease being a primary risk (96). Childhood cancer survivors have markedly elevated incidences of stroke, congestive heart failure (CHF), coronary artery disease, and valvular disease (96). Their cardiac mortality is 8.2 times higher than expected (93). Anthracyclines are a key component of most curative chemotherapeutic regimens used in pediatric cancer, and approximately half of all childhood cancer patients are exposed to them (78). Numerous epidemiologic and observational studies have linked childhood anthracycline exposure to an increased risk of developing cardiomyopathy and CHF, often decades after treatment. The acute toxic effects of anthracyclines on cardiomyocytes are well described; however, myocardial tissue is comprised of additional resident cell types, and events occurring in the cardiomyocyte do not fully explain the pathological processes leading to late cardiomyopathy and CHF. This review will summarize the current literature regarding the cellular and molecular responses to anthracyclines, with an important emphasis on nonmyocyte cardiac cell types as well as those that mediate the myocardial injury response.
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Affiliation(s)
- Merry L Lindsey
- Department of Physiology and Biophysics, San Antonio Cardiovascular Proteomics Center and Jackson Center for Heart Research, Mississippi Medical Center, Jackson, Mississippi
| | - Richard A Lange
- Division of Cardiology, Department of Medicine, San Antonio Cardiovascular Proteomics Center, University of Texas Health Science Center San Antonio, San Antonio, Texas
| | - Helen Parsons
- Department of Epidemiology and Biostatistics, University of Texas Health Science Center San Antonio, San Antonio, Texas; and
| | - Thomas Andrews
- Division of Hematology-Oncology, Department of Pediatrics, Greehey Children's Cancer Research Institute, University of Texas Health Science Center San Antonio, San Antonio, Texas
| | - Gregory J Aune
- Division of Hematology-Oncology, Department of Pediatrics, Greehey Children's Cancer Research Institute, University of Texas Health Science Center San Antonio, San Antonio, Texas
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Beneš H, Vuong MK, Boerma M, McElhanon KE, Siegel ER, Singh SP. Protection from oxidative and electrophilic stress in the Gsta4-null mouse heart. Cardiovasc Toxicol 2014; 13:347-56. [PMID: 23690225 DOI: 10.1007/s12012-013-9215-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
4-Hydroxynonenal (4-HNE) mediates many pathological effects of oxidative and electrophilic stress and signals to activate cytoprotective gene expression regulated by NF-E2-related factor 2 (Nrf2). By exhibiting very high levels of 4-HNE-conjugating activity, the murine glutathione transferase alpha 4 (GSTA4-4) helps regulate cellular 4-HNE levels. To examine the role of 4-HNE in vivo, we disrupted the murine Gsta4 gene. Gsta4-null mice exhibited no cardiac phenotype under normal conditions and no difference in cardiac 4-HNE level as compared to wild-type mice. We hypothesized that the Nrf2 pathway might contribute an important compensatory mechanism to remove excess cardiac 4-HNE in Gsta4-null mice. Cardiac nuclear extracts from Gsta4-null mice exhibited significantly higher Nrf2 binding to antioxidant response elements. We also observed responses in critical Nrf2 target gene products: elevated Sod2, Cat, and Akr1b7 mRNA levels and significant increases in both cardiac antioxidant and anti-electrophile enzyme activities. Gsta4-null mice were less sensitive and maintained normal cardiac function following chronic doxorubicin treatment, known to increase cardiac 4-HNE levels. Hence, in the absence of GSTA4-4 to modulate both physiological and pathological 4-HNE levels, the adaptive Nrf2 pathway may be primed to contribute to a preconditioned cardiac phenotype in the Gsta4-null mouse.
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Affiliation(s)
- Helen Beneš
- Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
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Sturgeon K, Schadler K, Muthukumaran G, Ding D, Bajulaiye A, Thomas NJ, Ferrari V, Ryeom S, Libonati JR. Concomitant low-dose doxorubicin treatment and exercise. Am J Physiol Regul Integr Comp Physiol 2014; 307:R685-92. [PMID: 25009215 DOI: 10.1152/ajpregu.00082.2014] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Cardiotoxicity is a side effect for cancer patients treated with doxorubicin (DOX). We tested the hypothesis that low-intensity aerobic exercise concomitant with DOX treatment would offset DOX-induced cardiotoxicity while also improving the therapeutic efficacy of DOX on tumor progression. B16F10 melanoma cells (3 × 10(5)) were injected subcutaneously into the scruff of 6- to 8-wk-old male C57BL/6 mice (n = 48). A 4 mg/kg cumulative dose of DOX was administered over 2 wk, and exercise (EX) consisted of treadmill walking (10 m/min, 45 min/day, 5 days/wk, 2 wk). Four experimental groups were tested: 1) sedentary (SED) + vehicle, 2) SED + DOX, 3) EX + vehicle, and 4) EX + DOX. Tumor volume was attenuated in DOX and lowest in EX + DOX. DOX-treated animals had less gain in body weight, reduced heart weights (HW), smaller HW-to-body weight ratios, and shorter tibial lengths by the end of the protocol; and exercise did not reverse the cardiotoxic effects of DOX. Despite decreased left ventricular (LV) mass with DOX, cardiomyocyte cross-sectional area, β-myosin heavy chain gene expression, and whole heart systolic (fractional shortening) and diastolic (E/A ratio) function were similar among groups. DOX also resulted in increased LV fibrosis with lower LV end diastolic volume and stroke volume. Myocardial protein kinase B activity was increased with both DOX and EX treatments, and tuberous sclerosis 2 (TSC2) abundance was reduced with EX. Downstream phosphorylation of TSC2 and mammalian target of rapamycin were similar across groups. We conclude that exercise increases the efficacy of DOX in inhibiting tumor growth without mitigating subclinical DOX-induced cardiotoxicity in a murine model of melanoma.
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Affiliation(s)
- Kathleen Sturgeon
- University of Pennsylvania, School of Medicine, Philadelphia, Pennsylvania; and
| | - Keri Schadler
- University of Pennsylvania, School of Medicine, Philadelphia, Pennsylvania; and
| | | | - Dennis Ding
- School of Nursing, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Akinyemi Bajulaiye
- School of Nursing, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Nicholas J Thomas
- University of Pennsylvania, School of Medicine, Philadelphia, Pennsylvania; and
| | - Victor Ferrari
- University of Pennsylvania, School of Medicine, Philadelphia, Pennsylvania; and
| | - Sandra Ryeom
- University of Pennsylvania, School of Medicine, Philadelphia, Pennsylvania; and
| | - Joseph R Libonati
- School of Nursing, University of Pennsylvania, Philadelphia, Pennsylvania
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Jensen BT, Lien CY, Hydock DS, Schneider CM, Hayward R. Exercise mitigates cardiac doxorubicin accumulation and preserves function in the rat. J Cardiovasc Pharmacol 2014; 62:263-9. [PMID: 23644988 DOI: 10.1097/fjc.0b013e3182982ce0] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE Doxorubicin (DOX) is an effective antineoplastic agent with well-characterized cardiotoxic effects. Although exercise has been shown to protect against DOX cardiotoxicity, a clear and concise mechanism to explain its cardioprotective effects is lacking. The purpose of this study was to determine if exercise training reduces cardiac DOX accumulation, thereby providing a possible mechanism to explain the cardioprotective effects of exercise against DOX toxicity. METHODS Sprague-Dawley rats were randomly assigned to 1 of 3 primary experimental groups: sedentary (n = 77), wheel running (n = 65), or treadmill (n = 65). Animals in wheel running and treadmill groups completed 10 weeks of exercise before DOX treatment. DOX was administered 24 hours after the last training session as a bolus intraperitoneal injection at 10 mg/kg. Subgroups of rats from each primary group were killed at 1, 3, 5, 7, and 9 days after DOX exposure to assess cardiac function and DOX accumulation. RESULTS Ten weeks of exercise preconditioning reduced myocardial DOX accumulation, and this reduction in accumulation was associated with preserved cardiac function. CONCLUSIONS These data suggest that the cardioprotective effects of exercise against DOX-induced injury may be due, in part, to a reduction in myocardial DOX accumulation.
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Affiliation(s)
- Brock T Jensen
- *School of Sport and Exercise Science and the Rocky Mountain Cancer Rehabilitation Institute, University of Northern Colorado, Greeley, CO; †Department of Exercise and Rehabilitative Sciences, Slippery Rock University, Slippery Rock, PA; and ‡Department of Athletics, National Taiwan University, Taipei, Taiwan
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Andreadou I, Mikros E, Ioannidis K, Sigala F, Naka K, Kostidis S, Farmakis D, Tenta R, Kavantzas N, Bibli SI, Gikas E, Skaltsounis L, Kremastinos DT, Iliodromitis EK. Oleuropein prevents doxorubicin-induced cardiomyopathy interfering with signaling molecules and cardiomyocyte metabolism. J Mol Cell Cardiol 2014; 69:4-16. [DOI: 10.1016/j.yjmcc.2014.01.007] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2013] [Revised: 01/16/2014] [Accepted: 01/19/2014] [Indexed: 11/30/2022]
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Parry TL, Hydock DS, Jensen BT, Lien CY, Schneider CM, Hayward R. Endurance exercise attenuates cardiotoxicity induced by androgen deprivation and doxorubicin. Can J Physiol Pharmacol 2014; 92:356-62. [PMID: 24784469 DOI: 10.1139/cjpp-2013-0294] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Doxorubicin (DOX) is associated with cardiac dysfunction and irreversible testicular damage. Androgen deprivation therapy (ADT) is administered prior to DOX treatment to preserve testicular function. However, ADT may exacerbate DOX-induced cardiac dysfunction. Exercise is cardioprotective, but the effects of exercise on cardiac function during combined ADT and DOX treatment are currently unknown. In this study, male Sprague-Dawley rats were randomly assigned to experimental groups: control (CON), ADT, DOX, or ADT+DOX. Animals received ADT or control implants on days 1 and 29 of the 56-day protocol. Animals remained sedentary (SED) or engaged in treadmill endurance exercise (TM) beginning on day 1. On day 15, the animals received DOX at 1 mg·(kg body mass)(-1)·d(-1) by intraperitoneal injection for 10 consecutive days, or an equivalent volume of saline. On day 57, cardiac function was assessed in vivo and ex vivo. Animals treated with DOX alone, or with combined ADT+DOX, showed significant (P < 0.05) reductions in left ventricular developed pressure (-21% and -27%), maximal rate of pressure development (-29% and -32%), and maximal rate of pressure decline (25% and 31%), respectively when compared with the sedentary control animals. Endurance exercise training attenuated (P > 0.05) cardiac dysfunction associated with combined ADT+DOX treatment, indicating that exercise during simultaneous ADT+DOX treatment is cardioprotective.
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Affiliation(s)
- Traci L Parry
- a School of Sport and Exercise Science, University of Northern Colorado, Greeley, CO 80639, USA
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Dolinsky VW, Rogan KJ, Sung MM, Zordoky BN, Haykowsky MJ, Young ME, Jones LW, Dyck JRB. Both aerobic exercise and resveratrol supplementation attenuate doxorubicin-induced cardiac injury in mice. Am J Physiol Endocrinol Metab 2013; 305:E243-53. [PMID: 23695218 PMCID: PMC4116416 DOI: 10.1152/ajpendo.00044.2013] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Because doxorubicin (DOX)-containing chemotherapy causes left ventricular (LV) dysfunction and remodeling that can progress to heart failure, strategies to alleviate DOX cardiotoxicity are necessary to improve health outcomes of patients surviving cancer. Although clinical evidence suggests that aerobic exercise training (ET) can prevent cardiotoxicity in patients undergoing DOX chemotherapy, the physiological mechanisms involved have not been extensively studied, nor is it known whether compounds [such as resveratrol (RESV)] have similar beneficial effects. With the use of a murine model of chronic DOX exposure, this study compared the efficacy of modest ET to RESV treatment on exercise performance, LV remodeling, and oxidative stress resistance. Mice were divided into four groups that received saline, DOX (8 mg/kg ip, one time per week), DOX + RESV (4 g/kg diet, ad libitum), and DOX + ET (45 min of treadmill exercise, 5 days/wk) for 8 wk. LV function and morphology were evaluated by in vivo echocardiography. DOX caused adverse LV remodeling that was partially attenuated by modest ET and completely prevented by RESV. These effects were paralleled by improvements in exercise performance. The cardioprotective properties of ET and RESV were associated with reduced levels of atrial natriuretic peptide and the lipid peroxidation by-product, 4-hydroxy-2-nonenal. In addition, ET and RESV increased the expression of cardiac sarcoplasmic/endoplasmic reticulum calcium-ATPase 2a, superoxide dismutase, mitochondrial electron transport chain complexes, and mitofusin-1 and -2 in mice administered DOX. Compared with modest ET, RESV more effectively prevented DOX-induced LV remodeling and was associated with the reduction of DOX-induced oxidative stress. Our findings have important implications for protecting patients against DOX-associated cardiac injury.
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Affiliation(s)
- Vernon W Dolinsky
- Cardiovascular Research Center, Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
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35
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Voluntary wheel running in growing rats does not protect against doxorubicin-induced osteopenia. J Pediatr Hematol Oncol 2013; 35:e144-8. [PMID: 23211689 DOI: 10.1097/mph.0b013e318279b1fb] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
There is growing concern regarding the long-term negative side effects of chemotherapy in childhood cancer survivors. Doxorubicin (DOX) is commonly used in the treatment of childhood cancers and has been shown to be both cardiotoxic and osteotoxic. It is unclear whether exercise can attenuate the negative skeletal effects of this chemotherapy. Rat pups were treated with saline or DOX. Animals remained sedentary or voluntarily exercised. After 10 weeks, femoral bone mineral content and bone mineral density were measured using dual-energy x-ray absorptiometry. Cortical and cancellous bone architecture was then evaluated by microcomputed tomography. DOX had a profound negative effect on all measures of bone mass and cortical and cancellous bone architecture. Treatment with DOX resulted in shorter femora and lower femoral bone mineral content and bone mineral density, lower cross-sectional volume, cortical volume, marrow volume, cortical thickness, and principal (IMAX, IMIN) and polar (IPOLAR) moments of inertia in the femur diaphysis, and lower cancellous bone volume/tissue volume, trabecular number, and trabecular thickness in the distal femur metaphysis. Exercise failed to protect bones from the damaging effects of DOX. Other modalities may be necessary to mitigate the deleterious skeletal effects that occur in juveniles undergoing treatment with anthracyclines.
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Switching to a low-fat diet attenuates the intensified doxorubicin cardiotoxicity associated with high-fat feeding. Cancer Chemother Pharmacol 2013; 71:1551-60. [PMID: 23568281 DOI: 10.1007/s00280-013-2154-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2012] [Accepted: 03/21/2013] [Indexed: 01/21/2023]
Abstract
PURPOSE A high-fat diet has been shown to exacerbate the cardiotoxicity associated with the chemotherapy drug doxorubicin (DOX); however, it is unknown whether switching from a high-fat diet to a low-fat diet can attenuate the intensified DOX cardiotoxicity. The purpose of this study was to investigate the effects of a low-fat diet on DOX-induced cardiotoxicity in rats previously fed a high-fat diet. METHODS Male rats were randomly assigned to consume a Western diet or a low-fat diet for 6 weeks. Western diet-fed rats were then further randomized to switch to the low-fat diet (WD-LF) or continue with the Western diet (WD). One week later, WD-LF and WD received 1 mg/kg DOX per day for 10 consecutive days and continued with their diets (WD-LF + DOX, WD + DOX). LF was further randomized to receive 1 mg/kg DOX per day for 10 consecutive days (LF + DOX) or saline injections as a control (LF + SAL). Four weeks following the first injection, cardiac function was analyzed, and left ventricles were analyzed for cardiotoxicity indices. RESULTS When compared to LF + SAL and LF + DOX, WD + DOX exhibited an enhanced cardiotoxicity as evidenced by reduced septal wall thickness, fractional shortening, and sarco-endoplasmic reticulum Ca(2+) ATPase expression as well as increased left ventricular cavity dimensions, lipid peroxidation, and β-myosin heavy-chain expression. This exacerbated cardiotoxicity was not observed in WD-LF + DOX. CONCLUSIONS Switching to a low-fat diet 1 week prior to, during, and following DOX treatment attenuated the exacerbated cardiotoxicity observed in the previously Western diet-fed rats.
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Hydock DS, Lien CY, Jensen BT, Parry TL, Schneider CM, Hayward R. Rehabilitative exercise in a rat model of doxorubicin cardiotoxicity. Exp Biol Med (Maywood) 2012; 237:1483-92. [DOI: 10.1258/ebm.2012.012137] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The use of exercise to minimize doxorubicin (DOX)-induced cardiotoxicity is gaining attention. However, very few clinically relevant reports exist investigating the effects of exercise performed during and following DOX treatments. The purpose of this study, therefore, was to examine the effects of voluntary wheel running during and following DOX treatment using two models of late-onset DOX cardiotoxicity in the rat. Female Sprague-Dawley rats received either DOX or saline injections using one of two separate treatment regimens. These regimens involved either daily or weekly DOX injections with cumulative doses for both protocols totaling 15 mg/kg. Daily DOX injections were 1 mg/kg and lasted for 15 consecutive days while weekly DOX injections were 2.5 mg/kg and lasted for six consecutive weeks with control animals receiving matched saline injection regimens. Immediately following the initial DOX/saline injection, animals were randomly housed in cages with voluntary running wheels or standard rat cages throughout DOX/saline treatments and continued until reaching 10 weeks. Cardiac function was then assessed using echocardiography and an isolated working heart model, and myosin heavy chain (MHC) isoform distribution was assessed using sodium dodecyl sulfate-polyacrylamide gel electrophoresis. When compared wth controls, daily DOX treatment resulted in reduced running wheel distances at weeks 2-10 (P < 0.05), and weekly DOX treatment resulted in reduced running wheel distances at weeks 2, 6 and 10 (P < 0.05). Nonetheless, wheel running during and following daily and weekly DOX dosing protected against DOX-induced cardiotoxicity by preserving maximal mitral and aortic blood flow velocities, left ventricular developed pressure and MHC isoform expression. In conclusion, the overall reduced volume of activity during and following daily and weekly DOX treatments attenuated DOX-induced cardiac dysfunction suggesting that low-volume endurance training may be an effective rehabilitative approach in minimizing DOX cardiotoxicity in cancer patients.
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Affiliation(s)
- David S Hydock
- School of Sport and Exercise Science, University of Northern Colorado, Greeley, CO 80639, USA
- Rocky Mountain Cancer Rehabilitation Institute, University of Northern Colorado, Greeley, CO 80639, USA
| | - Chia-Ying Lien
- Athletic Department, National Taiwan University, Taipei 10617, Taiwan
| | - Brock T Jensen
- Department of Exercise and Rehabilitative Sciences, Slippery Rock University, Slippery Rock, PA 16057, USA
| | - Traci L Parry
- School of Sport and Exercise Science, University of Northern Colorado, Greeley, CO 80639, USA
- Rocky Mountain Cancer Rehabilitation Institute, University of Northern Colorado, Greeley, CO 80639, USA
| | - Carole M Schneider
- School of Sport and Exercise Science, University of Northern Colorado, Greeley, CO 80639, USA
- Rocky Mountain Cancer Rehabilitation Institute, University of Northern Colorado, Greeley, CO 80639, USA
| | - Reid Hayward
- School of Sport and Exercise Science, University of Northern Colorado, Greeley, CO 80639, USA
- Rocky Mountain Cancer Rehabilitation Institute, University of Northern Colorado, Greeley, CO 80639, USA
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Calvé A, Noiles W, Sebag IA, Chalifour LE. The impact of doxorubicin and dexrazoxane injection of prepubertal female rats on pregnancy outcome and cardiac function postpartum. Can J Physiol Pharmacol 2012. [PMID: 23181280 DOI: 10.1139/y2012-126] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Childhood cancer survivors can develop significant cardiac dysfunction in adulthood as a consequence of their cancer treatment. Studies have linked heart failure during pregnancy to childhood doxorubicin (DOX) exposure. We hypothesized that DOX injection would reduce cardiac function peripartum and that DOX-treated dams would show greater cardiac remodeling postweaning. Weanling female Sprague-Dawley rats were injected with phospate-buffered saline, DOX (3 mg/kg), or DOX plus the cardioprotectant dexrazoxane (DEX; 60 mg/kg) and followed for 2 pregnancies. DOX and DOX:DEX dams were fertile, but had fewer pups and more pup losses. Echocardiography, 1-day postpartum after each pregnancy, revealed greater increases in cardiac mass and eccentric hypertrophy in DOX-treated dams and early dilation in DOX:DEX dams. The expression of calcium homeostasis proteins can change after DOX treatment and cardiac remodeling. SERCA2a expression did not change. Reductions in phospholamban and phospho-serine 16-specific phospholamban expression in DOX dams were not relieved by DEX coinjection. DOX binds and inactivates calsequestrin 2 expression so increased calsequestrin 2 expression in DOX:DEX-treated dams suggests some DEX compensation. The eccentric hypertrophy and dilation development, despite compensatory changes in proteins controlling calcium cycling, suggest DOX damage with repeat pregnancy that was not alleviated fully by DEX.
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Affiliation(s)
- Annie Calvé
- Lady Davis Institute for Medical Research, Jewish General Hospital, 3755 chemin Cote Ste Catherine, Montréal, QC H3T 1E2, Canada
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Hayward R, Hydock D, Gibson N, Greufe S, Bredahl E, Parry T. Tissue retention of doxorubicin and its effects on cardiac, smooth, and skeletal muscle function. J Physiol Biochem 2012; 69:177-87. [PMID: 22890792 DOI: 10.1007/s13105-012-0200-0] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2012] [Accepted: 07/19/2012] [Indexed: 11/29/2022]
Abstract
Cancer-related fatigue is a pervasive syndrome experienced by a majority of cancer patients undergoing treatment, and muscular dysfunction may be a key component in the development and progression of this syndrome. Doxorubicin (DOX) is a commonly used antineoplastic agent used in the treatment of many cancers. The purpose of this study was to determine the effect of DOX exposure on the function of cardiac, skeletal, and smooth muscle tissues and examine the role accumulation of DOX may play in this process. In these studies, rats were treated with DOX and measurements of cardiac, skeletal, and smooth muscle function were assessed 1, 3, and 5 days after exposure. All muscular tissues showed significant and severe dysfunction, yet there was heterogeneity both in the time course of dysfunction and in the accumulation of DOX. Cardiac and skeletal muscle exhibited a time-dependent progressive decline in function during the 5 days following DOX treatment. In contrast, vascular function showed a decline in function that could be characterized as rapid onset and was sustained for the duration of the 5-day observation period. DOX accumulation was greatest in cardiac tissue, yet all muscular tissues showed a similar degree of dysfunction. Our data suggest that in muscular tissues both DOX-dependent and DOX-independent mechanisms may be involved with the muscular dysfunction observed following DOX treatment. Furthermore, this study highlights the fact that dysfunction of skeletal and smooth muscle may be an underappreciated aspect of DOX toxicity and may be a key component of cancer-related fatigue in these patients.
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Affiliation(s)
- Reid Hayward
- School of Sport and Exercise Science, University of Northern Colorado, Greeley, CO 80639, USA.
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Hayward R, Lien CY, Jensen BT, Hydock DS, Schneider CM. Exercise training mitigates anthracycline-induced chronic cardiotoxicity in a juvenile rat model. Pediatr Blood Cancer 2012; 59:149-54. [PMID: 22052855 DOI: 10.1002/pbc.23392] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2011] [Accepted: 09/20/2011] [Indexed: 11/11/2022]
Abstract
BACKGROUND Childhood cancer survivors are at greater risk of cardiovascular complications once they reach adulthood. Anthracyclines may be a major contributor to these delayed-onset complications, yet their use continues because of favorable clinical outcomes. Exercise has been shown to protect against anthracycline cardiotoxicity, yet it is unclear whether exercise can protect against delayed-onset cardiotoxicity when treatment is initiated in childhood. The aim of the present study was to determine if exercise training provides cardioprotection in a juvenile rat model of delayed-onset anthracycline cardiotoxicity. PROCEDURE At 25 days of age, male Sprague-Dawley rat pups were subjected to a treatment regimen with the anthracycline doxorubicin (DOX). Pups received DOX at 2 mg/kg on 7 consecutive days (cumulative dose 14 mg/kg) or saline as a control. At the time DOX treatment began, pups remained sedentary or were allowed to voluntarily exercise. Ten weeks after the initiation of exercise, cardiac function was assessed both in vivo and ex vivo. RESULTS DOX treatment stunted normal growth and significantly impaired cardiac function. While voluntary exercise did not offset changes in the growth curve, it did provide significant cardioprotection against DOX-induced cardiotoxicity. CONCLUSIONS Exercise training, initiated at the time treatment begins, can protect against delayed-onset anthracycline-induced cardiotoxicity in adult rats that were treated with anthracyclines as juveniles.
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Affiliation(s)
- Reid Hayward
- School of Sport and Exercise Science and the Rocky Mountain Cancer Rehabilitation Institute, University of Northern Colorado, Greeley, Colorado 80639, USA.
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Hine CM, Mitchell JR. NRF2 and the Phase II Response in Acute Stress Resistance Induced by Dietary Restriction. JOURNAL OF CLINICAL & EXPERIMENTAL PATHOLOGY 2012; S4:7329. [PMID: 23505614 PMCID: PMC3595563 DOI: 10.4172/2161-0681.s4-004] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Dietary restriction (DR) as a means to increase longevity is well-established in a number of model organisms from yeast to primates. DR also improves metabolic fitness and increases resistance to acute oxidative, carcinogenic and toxicological stressors - benefits with more immediate potential for clinical translation than increased lifespan. While the detailed mechanism of DR action remains unclear, a conceptual framework involving an adaptive, or hormetic response to the stress of nutrient/energy deprivation has been proposed. A key prediction of the hormesis hypothesis of DR is that beneficial adaptations occur in response to an increase in reactive oxygen/nitrogen species (ROS). These ROS may be derived either from increased mitochondrial respiration or increased xenobiotic metabolism in the case of some DR mimetics. This review will focus on the potential role of the redox-sensing transcription factor NF-E2-related factor 2 (NRF2) and its control of the evolutionarily conserved antioxidant/redox cycling and detoxification systems, collectively known as the Phase II response, in the adaptive response to DR.
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Affiliation(s)
- Christopher M. Hine
- Department of Genetics and Complex Diseases, Harvard School of Public Health, Boston, MA 02115, USA
| | - James R. Mitchell
- Department of Genetics and Complex Diseases, Harvard School of Public Health, Boston, MA 02115, USA
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