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Osama E, Khowailed E, Rashed L, Fawzy A, Hassan RM, Harb I, Maher M. Evaluation of skeletal muscle function in male rats with doxorubicin-induced myopathy following various exercise techniques: the significant role of glucose transporter 4. Pflugers Arch 2024; 476:797-808. [PMID: 38368293 PMCID: PMC11033232 DOI: 10.1007/s00424-024-02922-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/03/2024] [Accepted: 02/05/2024] [Indexed: 02/19/2024]
Abstract
A common anthracycline antibiotic used to treat cancer patients is doxorubicin (DOX). One of the effects of DOX therapy is skeletal muscle fatigue. Our goal in this research was to study the beneficial effect of exercise on DOX-induced damaged muscle fibers and compare the effect of different exercise strategies (prophylactic, post- toxicity and combined) on DOX toxicity. Five groups were created from 40 male rats: group I, control group; group II, DOX was administered intraperitoneally for 2 weeks over 6 equal injections (each 2.5 mg/kg); group III, rats trained for 3 weeks before DOX; group IV, rats trained for 8 weeks after DOX; and group V, rats were trained for 3 weeks before DOX followed by 8 weeks after. Measures of oxidative damage (H2O2, catalase), inflammation (TNF-α), and glucose transporter 4 (GLUT4) expression on skeletal muscle were assessed. Also, Homeostatic Model Assessment for Insulin Resistance (HOMA-IR) was estimated. Skeletal performance was evaluated by contraction time (CT), half relaxation time (1/2 RT), and force-frequency relationship by the end of this research. The current study demonstrated a detrimental effect of DOX on skeletal performance as evidenced by a significant increase in CT and 1/2 RT compared to control; in addition, H2O2, TNF-α, and HOMA-IR were significantly increased with a significant decrease in GLUT4 expression and catalase activity. Combined exercise therapy showed a remarkable improvement in skeletal muscle performance, compared to DOX, CT, and 1/2 RT which were significantly decreased; H2O2 and TNF-α were significantly decreased unlike catalase antioxidant activity that significantly increased; in addition, skeletal muscle glucose metabolism was significantly improved as GLUT4 expression significantly increased and HOMA-IR was significantly decreased. Exercise therapy showed significant improvement in all measured parameters relative to DOX. However, combined exercise therapy showed the best improvement relative to both pre-exercise and post-exercise groups.
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Affiliation(s)
- Eman Osama
- Department of Medical Physiology, Faculty of Medicine, Cairo University, Giza, Egypt.
| | - Effat Khowailed
- Department of Medical Physiology, Faculty of Medicine, Cairo University, Giza, Egypt
| | - L Rashed
- Department of Medical Biochemistry, Faculty of Medicine, Cairo University, Giza, Egypt
| | - A Fawzy
- Department of Medical Physiology, Faculty of Medicine, Cairo University, Giza, Egypt
| | - Rokia Mohamad Hassan
- Department of Medical Histology, Faculty of Medicine, Cairo University, Giza, Egypt
| | - Inas Harb
- Department of Medical Pharmacology, Faculty of Medicine, Cairo University, Giza, Egypt
| | - Muhammad Maher
- Department of Medical Physiology, Faculty of Medicine, Cairo University, Giza, Egypt
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Shorter E, Engman V, Lanner JT. Cancer-associated muscle weakness - From triggers to molecular mechanisms. Mol Aspects Med 2024; 97:101260. [PMID: 38457901 DOI: 10.1016/j.mam.2024.101260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 02/22/2024] [Accepted: 02/26/2024] [Indexed: 03/10/2024]
Abstract
Skeletal muscle weakness is a debilitating consequence of many malignancies. Muscle weakness has a negative impact on both patient wellbeing and outcome in a range of cancer types and can be the result of loss of muscle mass (i.e. muscle atrophy, cachexia) and occur independently of muscle atrophy or cachexia. There are multiple cancer specific triggers that can initiate the progression of muscle weakness, including the malignancy itself and the tumour environment, as well as chemotherapy, radiotherapy and malnutrition. This can induce weakness via different routes: 1) impaired intrinsic capacity (i.e., contractile dysfunction and intramuscular impairments in excitation-contraction coupling or crossbridge cycling), 2) neuromuscular disconnection and/or 3) muscle atrophy. The mechanisms that underlie these pathways are a complex interplay of inflammation, autophagy, disrupted protein synthesis/degradation, and mitochondrial dysfunction. The current lack of therapies to treat cancer-associated muscle weakness highlight the critical need for novel interventions (both pharmacological and non-pharmacological) and mechanistic insight. Moreover, most research in the field has placed emphasis on directly improving muscle mass to improve muscle strength. However, accumulating evidence suggests that loss of muscle function precedes atrophy. This review primarily focuses on cancer-associated muscle weakness, independent of cachexia, and provides a solid background on the underlying mechanisms, methodology, current interventions, gaps in knowledge, and limitations of research in the field. Moreover, we have performed a mini-systematic review of recent research into the mechanisms behind muscle weakness in specific cancer types, along with the main pathways implicated.
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Affiliation(s)
- Emily Shorter
- Karolinska Institutet, Department of Physiology and Pharmacology, Molecular Muscle Physiology and Pathophysiology, Biomedicum, Stockholm, Sweden
| | - Viktor Engman
- Karolinska Institutet, Department of Physiology and Pharmacology, Molecular Muscle Physiology and Pathophysiology, Biomedicum, Stockholm, Sweden
| | - Johanna T Lanner
- Karolinska Institutet, Department of Physiology and Pharmacology, Molecular Muscle Physiology and Pathophysiology, Biomedicum, Stockholm, Sweden.
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Zha W, Zhao Q, Xiao Y, Gan Y, Wei J, Yu M, Xu Y, Xu Q, Wu S, Yu W. Mitochonic acid 5 rescues cardiomyocytes from doxorubicin-induced toxicity via repressing the TNF-α/NF-κB/NLRP3-mediated pyroptosis. Int Immunopharmacol 2023; 123:110736. [PMID: 37549513 DOI: 10.1016/j.intimp.2023.110736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 07/19/2023] [Accepted: 07/28/2023] [Indexed: 08/09/2023]
Abstract
AIMS Doxorubicin (DOX) is an effective anti-tumor drug, but the cardiotoxicity severely limits its clinical use. Interestingly, a hypothesis has emerged suggesting an association between DOX-induced cardiotoxicity and mitochondrial disorders and oxidative stress. The mitochonic acid 5 (MA5) shows promise in alleviating mitochondrial dysfunction by promoting mitochondrial ATP synthesis and reducing reactive oxygen species (ROS) accumulation, though its potential in ameliorating DOX-induced cardiotoxicity remains elusive. METHODS Network pharmacology approach, molecular docking techniques, and molecular dynamics simulation (MDS) were used to reveal the specific drug targets and pharmaceutical mechanisms involved in the treatment of DOX-induced cardiotoxicity using MA5. For experimental verification, cardiomyocytes (H9c2) and mice were exposed to DOX in the presence or absence of MA5. Our investigation involved the assessment of echocardiographic parameters, cardiac enzymes, inflammatory factors, mitochondrial function, myocardial structure, and cardiomyocyte pyroptosis. RESULTS Among the 100 core targets identified in network pharmacology, MA5 was pharmacologically active against DOX-induced cardiotoxicity via pathways implicated in cancer, prostate cancer, lipids and atherosclerosis. Molecular docking analysis confirmed that MA5 docked well with TNF-α, interleukin-6 (IL-6), and caspase-3. Furthermore, MA5 exhibited a stronger affinity toward TNF-α than IL-6 and caspase-3. Subsequent MDS revealed the stability of binding between MA5 and TNF-α. The DOX-challenged mice also displayed abnormal myocardial enzymogram, disrupted systolic and diastolic function, and elevated inflammation and cardiomyocyte pyroptosis, which could be mitigated by the administration of MA5. Similarly, H9c2 cells exposed to DOX showed increased intracellular ROS production and impaired mitochondrial function, which were relieved by MA5 treatment. CONCLUSION Our findings suggest that MA5 attenuates DOX-induced cardiac anomalies through the TNF-α-mediated regulation of inflammation and pyroptosis. These insights offer a potential therapeutic strategy for managing DOX-induced cardiac complications, thereby improving the safety and efficacy of cancer treatments.
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Affiliation(s)
- Wenliang Zha
- Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China; Second Affiliated Hospital, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Qian Zhao
- The Affiliated Hospital of Inner Mongolia Medical University, Huhhot 010000, China
| | - Ye Xiao
- Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China; Second Affiliated Hospital, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Yuanyuan Gan
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Junjun Wei
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Mengqi Yu
- The Third People's Hospital of Hubei Province, Wuhan, 430000, China
| | - Yanmei Xu
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Qiongyao Xu
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China
| | - Shi Wu
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China.
| | - Wei Yu
- Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China; School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning 437100, China.
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Shi H, Li F, Zhang F, Wei X, Liu C, Duan R. An electrical stimulation intervention protocol to prevent disuse atrophy and muscle strength decline: an experimental study in rat. J Neuroeng Rehabil 2023; 20:84. [PMID: 37386493 PMCID: PMC10311794 DOI: 10.1186/s12984-023-01208-6] [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: 07/28/2022] [Accepted: 06/19/2023] [Indexed: 07/01/2023] Open
Abstract
BACKGROUND Skeletal muscle is negatively impacted by conditions such as spaceflight or prolonged bed rest, resulting in a dramatic decline in muscle mass, maximum contractile force, and muscular endurance. Electrical stimulation (ES) is an essential tool in neurophysiotherapy and an effective means of preventing skeletal muscle atrophy and dysfunction. Historically, ES treatment protocols have used either low or high frequency electrical stimulation (LFES/HFES). However, our study tests the use of a combination of different frequencies in a single electrical stimulation intervention in order to determine a more effective protocol for improving both skeletal muscle strength and endurance. METHODS An adult male SD rat model of muscle atrophy was established through 4 weeks of tail suspension (TS). To investigate the effects of different frequency combinations, the experimental animals were treated with low (20 Hz) or high (100 Hz) frequency before TS for 6 weeks, and during TS for 4weeks. The maximum contraction force and fatigue resistance of skeletal muscle were then assessed before the animals were sacrificed. The muscle mass, fiber cross-sectional area (CSA), fiber type and related protein expression were examined and analyzed to gain insights into the mechanisms by which the ES intervention protocol used in this study regulates muscle strength and endurance. RESULTS After 4 weeks of unloading, the soleus muscle mass and fiber CSA decreased by 39% and 58% respectively, while the number of glycolytic muscle fibers increased by 21%. The gastrocnemius muscle fibers showed a 51% decrease in CSA, with a 44% decrease in single contractility and a 39% decrease in fatigue resistance. The number of glycolytic muscle fibers in the gastrocnemius also increased by 29%. However, the application of HFES either prior to or during unloading showed an improvement in muscle mass, fiber CSA, and oxidative muscle fibers. In the pre-unloading group, the soleus muscle mass increased by 62%, while the number of oxidative muscle fibers increased by 18%. In the during unloading group, the soleus muscle mass increased by 29% and the number of oxidative muscle fibers increased by 15%. In the gastrocnemius, the pre-unloading group showed a 38% increase in single contractile force and a 19% increase in fatigue resistance, while in the during unloading group, a 21% increase in single contractile force and a 29% increase in fatigue resistance was observed, along with a 37% and 26% increase in the number of oxidative muscle fibers, respectively. The combination of HFES before unloading and LFES during unloading resulted in a significant elevation of the soleus mass by 49% and CSA by 90%, with a 40% increase in the number of oxidative muscle fibers in the gastrocnemius. This combination also resulted in a 66% increase in single contractility and a 38% increase in fatigue resistance. CONCLUSION Our results indicated that using HFES before unloading can reduce the harmful effects of muscle unloading on the soleus and gastrocnemius muscles. Furthermore, we found that combining HFES before unloading with LFES during unloading was more effective in preventing muscle atrophy in the soleus and preserving the contractile function of the gastrocnemius muscle.
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Affiliation(s)
- Haiwang Shi
- Lab of Regenerative Medicine in Sports Science, School of Physical Education and Sports Science, South China Normal University, Guangzhou, China
| | - Fan Li
- Lab of Regenerative Medicine in Sports Science, School of Physical Education and Sports Science, South China Normal University, Guangzhou, China
| | - Fulong Zhang
- Lab of Regenerative Medicine in Sports Science, School of Physical Education and Sports Science, South China Normal University, Guangzhou, China
| | - Xiaobei Wei
- Lab of Regenerative Medicine in Sports Science, School of Physical Education and Sports Science, South China Normal University, Guangzhou, China
| | - Chengyi Liu
- Lab of Regenerative Medicine in Sports Science, School of Physical Education and Sports Science, South China Normal University, Guangzhou, China
| | - Rui Duan
- Lab of Regenerative Medicine in Sports Science, School of Physical Education and Sports Science, South China Normal University, Guangzhou, China.
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Chim LK, Williams IL, Bashor CJ, Mikos AG. Tumor-associated macrophages induce inflammation and drug resistance in a mechanically tunable engineered model of osteosarcoma. Biomaterials 2023; 296:122076. [PMID: 36931102 PMCID: PMC11132719 DOI: 10.1016/j.biomaterials.2023.122076] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 02/21/2023] [Accepted: 03/02/2023] [Indexed: 03/09/2023]
Abstract
The tumor microenvironment is a complex and dynamic ecosystem composed of various physical cues and biochemical signals that facilitate cancer progression, and tumor-associated macrophages are especially of interest as a treatable target due to their diverse pro-tumorigenic functions. Engineered three-dimensional models of tumors more effectively mimic the tumor microenvironment than monolayer cultures and can serve as a platform for investigating specific aspects of tumor biology within a controlled setting. To study the combinatorial effects of tumor-associated macrophages and microenvironment mechanical properties on osteosarcoma, we co-cultured human osteosarcoma cells with macrophages within biomaterials-based bone tumor niches with tunable stiffness. In the first 24 h of direct interaction between the two cell types, macrophages induced an inflammatory environment consisting of high concentrations of tumor necrosis factor alpha (TNFα) and interleukin (IL)-6 within moderately stiff scaffolds. Expression of Yes-associated protein (YAP), but not its homolog, transcriptional activator with PDZ-binding motif (TAZ), in osteosarcoma cells was significantly higher than in macrophages, and co-culture of the two cells slightly upregulated YAP in both cells, although not to a significant degree. Resistance to doxorubicin treatment in osteosarcoma cells was correlated with inflammation in the microenvironment, and signal transducer and activator of transcription 3 (STAT3) inhibition diminished the inflammation-related differences in drug resistance but ultimately did not improve the efficacy of doxorubicin. This work highlights that the biochemical cues conferred by tumor-associated macrophages in osteosarcoma are highly variable, and signals derived from the immune system should be considered in the development and testing of novel drugs for cancer.
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Affiliation(s)
- Letitia K Chim
- Department of Bioengineering, Rice University, Houston, TX, USA
| | - Isabelle L Williams
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX, USA
| | - Caleb J Bashor
- Department of Bioengineering, Rice University, Houston, TX, USA
| | - Antonios G Mikos
- Department of Bioengineering, Rice University, Houston, TX, USA; Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX, USA.
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Pedrosa MB, Barbosa S, Vitorino R, Ferreira R, Moreira-Gonçalves D, Santos LL. Chemotherapy-Induced Molecular Changes in Skeletal Muscle. Biomedicines 2023; 11:biomedicines11030905. [PMID: 36979884 PMCID: PMC10045751 DOI: 10.3390/biomedicines11030905] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/10/2023] [Accepted: 03/13/2023] [Indexed: 03/17/2023] Open
Abstract
Paraneoplastic conditions such as cancer cachexia are often exacerbated by chemotherapy, which affects the patient’s quality of life as well as the response to therapy. The aim of this narrative review was to overview the body-composition-related changes and molecular effects of different chemotherapy agents used in cancer treatment on skeletal-muscle remodeling. A literature search was performed using the Web of Science, Scopus, and Science Direct databases and a total of 77 papers was retrieved. In general, the literature survey showed that the molecular changes induced by chemotherapy in skeletal muscle have been studied mainly in animal models and mostly in non-tumor-bearing rodents, whereas clinical studies have essentially assessed changes in body composition by computerized tomography. Data from preclinical studies showed that chemotherapy modulates several molecular pathways in skeletal muscle, including the ubiquitin–proteasome pathway, autophagy, IGF-1/PI3K/Akt/mTOR, IL-6/JAK/STAT, and NF-κB pathway; however, the newest chemotherapy agents are underexplored. In conclusion, chemotherapy exacerbates skeletal-muscle wasting in cancer patients; however, the incomplete characterization of the chemotherapy-related molecular effects on skeletal muscle makes the development of new preventive anti-wasting strategies difficult. Therefore, further investigation on molecular mechanisms and clinical studies are necessary.
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Affiliation(s)
- Mafalda Barbosa Pedrosa
- Associated Laboratory for Green Chemistry of the Network of Chemistry and Technology (LAQV-REQUIMTE), Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
- Research Centre in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sport, University of Porto, 4200-450 Porto, Portugal
- Experimental Pathology and Therapeutics Group, Research Center (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO-Porto)/Porto Comprehensive Cancer Center (P.CCC), 4200-072 Porto, Portugal
- Correspondence: (M.B.P.); (L.L.S.)
| | - Samuel Barbosa
- Associated Laboratory for Green Chemistry of the Network of Chemistry and Technology (LAQV-REQUIMTE), Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
- Research Centre in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sport, University of Porto, 4200-450 Porto, Portugal
- Experimental Pathology and Therapeutics Group, Research Center (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO-Porto)/Porto Comprehensive Cancer Center (P.CCC), 4200-072 Porto, Portugal
| | - Rui Vitorino
- Department of Medical Sciences, Institute of Biomedicine—iBiMED, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Rita Ferreira
- Associated Laboratory for Green Chemistry of the Network of Chemistry and Technology (LAQV-REQUIMTE), Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Daniel Moreira-Gonçalves
- Research Centre in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sport, University of Porto, 4200-450 Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), 4050-600 Porto, Portugal
| | - Lúcio Lara Santos
- Experimental Pathology and Therapeutics Group, Research Center (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO-Porto)/Porto Comprehensive Cancer Center (P.CCC), 4200-072 Porto, Portugal
- Correspondence: (M.B.P.); (L.L.S.)
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Dhingra R, Rabinovich-Nikitin I, Rothman S, Guberman M, Gang H, Margulets V, Jassal DS, Alagarsamy KN, Dhingra S, Ripoll CV, Billia F, Diwan A, Javaheri A, Kirshenbaum LA. Proteasomal Degradation of TRAF2 Mediates Mitochondrial Dysfunction in Doxorubicin-Cardiomyopathy. Circulation 2022; 146:934-954. [PMID: 35983756 PMCID: PMC10043946 DOI: 10.1161/circulationaha.121.058411] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
BACKGROUND Cytokines such as tumor necrosis factor-α (TNFα) have been implicated in cardiac dysfunction and toxicity associated with doxorubicin (DOX). Although TNFα can elicit different cellular responses, including survival or death, the mechanisms underlying these divergent outcomes in the heart remain cryptic. The E3 ubiquitin ligase TRAF2 (TNF receptor associated factor 2) provides a critical signaling platform for K63-linked polyubiquitination of RIPK1 (receptor interacting protein 1), crucial for nuclear factor-κB (NF-κB) activation by TNFα and survival. Here, we investigate alterations in TNFα-TRAF2-NF-κB signaling in the pathogenesis of DOX cardiotoxicity. METHODS Using a combination of in vivo (4 weekly injections of DOX 5 mg·kg-1·wk-1) in C57/BL6J mice and in vitro approaches (rat, mouse, and human inducible pluripotent stem cell-derived cardiac myocytes), we monitored TNFα levels, lactate dehydrogenase, cardiac ultrastructure and function, mitochondrial bioenergetics, and cardiac cell viability. RESULTS In contrast to vehicle-treated mice, ultrastructural defects, including cytoplasmic swelling, mitochondrial perturbations, and elevated TNFα levels, were observed in the hearts of mice treated with DOX. While investigating the involvement of TNFα in DOX cardiotoxicity, we discovered that NF-κB was readily activated by TNFα. However, TNFα-mediated NF-κB activation was impaired in cardiac myocytes treated with DOX. This coincided with loss of K63- linked polyubiquitination of RIPK1 from the proteasomal degradation of TRAF2. Furthermore, TRAF2 protein abundance was markedly reduced in hearts of patients with cancer treated with DOX. We further established that the reciprocal actions of the ubiquitinating and deubiquitinating enzymes cellular inhibitors of apoptosis 1 and USP19 (ubiquitin-specific peptidase 19), respectively, regulated the proteasomal degradation of TRAF2 in DOX-treated cardiac myocytes. An E3-ligase mutant of cellular inhibitors of apoptosis 1 (H588A) or gain of function of USP19 prevented proteasomal degradation of TRAF2 and DOX-induced cell death. Furthermore, wild-type TRAF2, but not a RING finger mutant defective for K63-linked polyubiquitination of RIPK1, restored NF-κB signaling and suppressed DOX-induced cardiac cell death. Last, cardiomyocyte-restricted expression of TRAF2 (cardiac troponin T-adeno-associated virus 9-TRAF2) in vivo protected against mitochondrial defects and cardiac dysfunction induced by DOX. CONCLUSIONS Our findings reveal a novel signaling axis that functionally connects the cardiotoxic effects of DOX to proteasomal degradation of TRAF2. Disruption of the critical TRAF2 survival pathway by DOX sensitizes cardiac myocytes to TNFα-mediated necrotic cell death and DOX cardiotoxicity.
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Affiliation(s)
- Rimpy Dhingra
- Department of Physiology and Pathophysiology, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre
| | - Inna Rabinovich-Nikitin
- Department of Physiology and Pathophysiology, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre
| | - Sonny Rothman
- Department of Physiology and Pathophysiology, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre
| | - Matthew Guberman
- Department of Physiology and Pathophysiology, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre
| | - Hongying Gang
- Department of Physiology and Pathophysiology, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre
| | - Victoria Margulets
- Department of Physiology and Pathophysiology, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre
| | - Davinder S. Jassal
- Department of Physiology and Pathophysiology, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre
| | - Keshav N. Alagarsamy
- Department of Physiology and Pathophysiology, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre
- Regenerative Medicine Program, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre
| | - Sanjiv Dhingra
- Department of Physiology and Pathophysiology, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre
- Regenerative Medicine Program, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre
| | - Carla Valenzuela Ripoll
- Center for Cardiovascular Research and Cardiovascular Division, Department of Internal Medicine, Washington University School of Medicine, St. Louis, MO
| | - Filio Billia
- Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada, Peter Munk Cardiac Center, University Health Network, Toronto, Ontario, Canada
| | - Abhinav Diwan
- Center for Cardiovascular Research and Cardiovascular Division, Department of Internal Medicine, Washington University School of Medicine, St. Louis, MO
| | - Ali Javaheri
- Center for Cardiovascular Research and Cardiovascular Division, Department of Internal Medicine, Washington University School of Medicine, St. Louis, MO
| | - Lorrie A. Kirshenbaum
- Department of Physiology and Pathophysiology, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre
- Department of Pharmacology and Therapeutics, The Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre
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Calotropis gigantea stem bark extracts inhibit liver cancer induced by diethylnitrosamine. Sci Rep 2022; 12:12151. [PMID: 35840761 PMCID: PMC9287404 DOI: 10.1038/s41598-022-16321-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 07/08/2022] [Indexed: 11/09/2022] Open
Abstract
Several fractions of Calotropis gigantea extracts have been proposed to have potential anticancer activity in many cancer models. The present study evaluated the anticancer activity of C. gigantea stem bark extracts in liver cancer HepG2 cells and diethylnitrosamine (DEN)-induced primary liver cancer in rats. The carcinogenesis model induced by DEN administration has been widely used to study pathophysiological features and responses in rats that are comparable to those seen in cancer patients. The dichloromethane (CGDCM), ethyl acetate, and water fractions obtained from partitioning crude ethanolic extract were quantitatively analyzed for several groups of secondary metabolites and calactin contents. A combination of C. gigantea stem bark extracts with doxorubicin (DOX) was assessed in this study to demonstrate the enhanced cytotoxic effect to cancer compared to the single administration. The combination of DOX and CGDCM, which had the most potential cytotoxic effect in HepG2 cells when compared to the other three fractions, significantly increased cytotoxicity through the apoptotic effect with increased caspase-3 expression. This combination treatment also reduced ATP levels, implying a correlation between ATP and apoptosis induction. In a rat model of DEN-induced liver cancer, treatment with DOX, C. gigantea at low (CGDCM-L) and high (CGDCM-H) doses, and DOX + CGDCM-H for 4 weeks decreased the progression of liver cancer by lowering the liver weight/body weight ratio and the occurrence of liver hyperplastic nodules, fibrosis, and proliferative cells. The therapeutic applications lowered TNF-α, IL-6, TGF-β, and α-SMA inflammatory cytokines in a similar way, implying that CGDCM had a curative effect against the inflammation-induced liver carcinogenesis produced by DEN exposure. Furthermore, CGDCM and DOX therapy decreased ATP and fatty acid synthesis in rat liver cancer, which was correlated with apoptosis inhibition. CGDCM reduced cleaved caspase-3 expression in liver cancer rats when used alone or in combination with DOX, implying that apoptosis-inducing hepatic carcinogenesis was suppressed. Our results also verified the low toxicity of CGDCM injection on the internal organs of rats. Thus, this research clearly demonstrated a promising, novel anticancer approach that could be applied in future clinical studies of CGDCM and combination therapy.
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Al-Qahtani WH, Alshammari GM, Ajarem JS, Al-Zahrani AY, Alzuwaydi A, Eid R, Yahya MA. Isoliquiritigenin prevents Doxorubicin-induced hepatic damage in rats by upregulating and activating SIRT1. Biomed Pharmacother 2022; 146:112594. [DOI: 10.1016/j.biopha.2021.112594] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/14/2021] [Accepted: 12/23/2021] [Indexed: 02/06/2023] Open
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Guo B, Bennet D, Belcher DJ, Kim HG, Nader GA. Chemotherapy agents reduce protein synthesis and ribosomal capacity in myotubes independent of oxidative stress. Am J Physiol Cell Physiol 2021; 321:C1000-C1009. [PMID: 34705587 DOI: 10.1152/ajpcell.00116.2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Chemotherapeutic agents (CAs) are first-line antineoplastic treatments against a wide variety of cancers. Despite their effectiveness in halting tumor progression, side effects associated with CAs promote muscle loss by incompletely understood mechanisms. To address this problem, we first identified how oxidative stress impairs protein synthesis in C2C12 myotubes. Transient elevations in reactive oxygen species (ROS) resulted in protein synthesis deficits and reduced ribosomal (r)RNA levels. Oxidative stress did not reduce rRNA gene (rDNA) transcription, but it caused an increase in rRNA and protein oxidation. To determine whether CAs affect protein synthesis independent of oxidative stress, we exposed myotubes to Paclitaxel (PTX), Doxorubicin (DXR), or Marizomib (Mzb) at doses that did result in elevated ROS levels (sub-ROS). Exposure to CAs reduced protein synthesis and rRNA levels, but unlike oxidative stress, sub-ROS exposures impaired rDNA transcription. These results indicate that although oxidative stress disrupts protein synthesis by compromising ribosomal quantity and quality, CAs at sub-ROS doses compromise protein synthesis and ribosomal capacity, at least in part, by reducing rDNA transcription. Therefore, CAs negatively impact protein synthesis by causing oxidative stress in addition to directly reducing the ribosomal capacity of myotubes in a ROS-independent manner.
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Affiliation(s)
- Bin Guo
- Department of Kinesiology, The Pennsylvania State University, University Park, Pennsylvania
| | - Devasier Bennet
- Department of Kinesiology, The Pennsylvania State University, University Park, Pennsylvania
| | - Daniel J Belcher
- Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, Pennsylvania
| | - Hyo-Gun Kim
- Department of Kinesiology, The Pennsylvania State University, University Park, Pennsylvania
| | - Gustavo A Nader
- Department of Kinesiology, The Pennsylvania State University, University Park, Pennsylvania.,Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, Pennsylvania.,Penn State Cancer Institute, The Pennsylvania State University, University Park, Pennsylvania
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11
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Hafez AA, Jamali Z, Samiei S, Khezri S, Salimi A. Reduction of doxorubicin-induced cytotoxicity and mitochondrial damage by betanin in rat isolated cardiomyocytes and mitochondria. Hum Exp Toxicol 2021; 40:2123-2134. [PMID: 34105389 DOI: 10.1177/09603271211022800] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Doxorubicin (DOX) is an anticancer drug which is used for treatment of several types of cancers. But the clinical use of doxorubicin is limited because of its cardiotoxicity and cardiomyopathy. Mitochondrial-dependent oxidative stress and cardiac inflammation appear to be involved in doxorubicin-induced cardiotoxicity. Betanin as a bioactive compound in Beetroot (Beta vulgaris L.) displays anti-radical, antioxidant gene regulatory and cardioprotective activities. In this current study, we investigated the protective effect of betanin on doxorubicin-induced cytotoxicity and mitochondrial-dependent oxidative stress in isolated cardiomyocytes and mitochondria. Isolated cardiomyocytes and mitochondria were treated with three concentrations of betanin (1, 5 and 10 µM) and doxorubicin (3.5 µM) for 6 h. The parameters of cellular and mitochondrial toxicity were analyzed using biochemical and flow cytometric methods. Our results showed a significant toxicity in isolated cardiomyocytes and mitochondria in presence of doxorubicin which was related to reactive oxygen species (ROS) formation, increase in malondialdehyde (MDA), increase in oxidation of GSH to GSSG, lysosomal/mitochondrial damages and mitochondrial swelling. While betanin pretreatment reverted doxorubicin-induced cytotoxicity and oxidative stress in isolated cardiomyocytes and mitochondria. These results suggest that betanin elicited a typical protective effect on doxorubicin-induced cytotoxicity and oxidative stress. It is possible that betanin could be used as a useful adjuvant in combination with doxorubicin chemotherapy for reduction of cardiotoxicity and cardiomyopathy.
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Affiliation(s)
- A A Hafez
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Z Jamali
- Student Research Committee, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
- Department of Addiction Studies, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
| | - S Samiei
- School of Medicine, Kordestan University of Medical Sciences, Sanandaj, Iran
| | - S Khezri
- Traditional Medicine and Hydrotherapy Research Center, Ardabil University of Medical Sciences, Ardabil, Iran
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
| | - A Salimi
- Traditional Medicine and Hydrotherapy Research Center, Ardabil University of Medical Sciences, Ardabil, Iran
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
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12
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Mureşan M, Olteanu D, Filip GA, Clichici S, Baldea I, Jurca T, Pallag A, Marian E, Frum A, Gligor FG, Svera P, Stancu B, Vicaș L. Comparative Study of the Pharmacological Properties and Biological Effects of Polygonum aviculare L. herba Extract-Entrapped Liposomes versus Quercetin-Entrapped Liposomes on Doxorubicin-Induced Toxicity on HUVECs. Pharmaceutics 2021; 13:pharmaceutics13091418. [PMID: 34575493 PMCID: PMC8467102 DOI: 10.3390/pharmaceutics13091418] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/29/2021] [Accepted: 09/03/2021] [Indexed: 12/13/2022] Open
Abstract
This study aimed to evaluate the comparative biological effects of Polygonum aviculare L. herba (PAH) extract and quercetin-entrapped liposomes on doxorubicin (Doxo)-induced toxicity in HUVECs. HUVECs were treated with two formulations of liposomes loaded with PAH extract (L5 and L6) and two formulations of liposomes loaded with quercetin (L3 prepared with phosphatidylcholine and L4 prepared with phosphatidylserine). The results obtained with atomic force microscopy, zeta potential and entrapment liposome efficiency confirmed the interactions of the liposomes with PAH or free quercetin and a controlled release of flavonoids entrapped in all the liposomes. Doxo decreased the cell viability and induced oxidative stress, inflammation, DNA lesions and apoptosis in parallel with the activation of Nrf2 and NF-kB. Free quercetin, L3 and L4 inhibited the oxidative stress and inflammation and reduced apoptosis, particularly L3. Additionally, these compounds diminished the Nrf2 and NF-kB expressions and DNA lesions, principally L4. PAH extract, L5 and L6 exerted antioxidant and anti-inflammatory activities, reduced γH2AX formation and inhibited extrinsic apoptosis and transcription factors activation but to a lesser extent. The loading of quercetin in liposomes increased the cell viability and exerted better endothelial protection compared to free quercetin, especially L3. The liposomes with PAH extract had moderate efficiency, mainly due to the antioxidant and anti-inflammatory effects and the inhibition of extrinsic apoptosis.
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Affiliation(s)
- Mariana Mureşan
- Department of Preclinical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 10 Piata 1 Decembrie Street, 410073 Oradea, Romania;
| | - Diana Olteanu
- Department of Physiology, “Iuliu Hatieganu” University of Medicine and Pharmacy, 1–3 Clinicilor Street, 400006 Cluj-Napoca, Romania; (D.O.); (S.C.); (I.B.)
| | - Gabriela Adriana Filip
- Department of Physiology, “Iuliu Hatieganu” University of Medicine and Pharmacy, 1–3 Clinicilor Street, 400006 Cluj-Napoca, Romania; (D.O.); (S.C.); (I.B.)
- Correspondence: or
| | - Simona Clichici
- Department of Physiology, “Iuliu Hatieganu” University of Medicine and Pharmacy, 1–3 Clinicilor Street, 400006 Cluj-Napoca, Romania; (D.O.); (S.C.); (I.B.)
| | - Ioana Baldea
- Department of Physiology, “Iuliu Hatieganu” University of Medicine and Pharmacy, 1–3 Clinicilor Street, 400006 Cluj-Napoca, Romania; (D.O.); (S.C.); (I.B.)
| | - Tunde Jurca
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 29 Nicolae Jiga Street, 410028 Oradea, Romania; (T.J.); (A.P.); (E.M.); (L.V.)
| | - Annamaria Pallag
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 29 Nicolae Jiga Street, 410028 Oradea, Romania; (T.J.); (A.P.); (E.M.); (L.V.)
| | - Eleonora Marian
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 29 Nicolae Jiga Street, 410028 Oradea, Romania; (T.J.); (A.P.); (E.M.); (L.V.)
| | - Adina Frum
- Faculty of Medicine, Lucian Blaga University Sibiu, Lucian Blaga Street, No. 2A, 550169 Sibiu, Romania; (A.F.); (F.G.G.)
| | - Felicia Gabriela Gligor
- Faculty of Medicine, Lucian Blaga University Sibiu, Lucian Blaga Street, No. 2A, 550169 Sibiu, Romania; (A.F.); (F.G.G.)
| | - Paula Svera
- INCEMC-National Institute for Research and Development in Electrochemistry and Condensed Matter-Timisoara, No. 144 Dr. A. Paunescu Podeanu Street, 300569 Timisoara, Romania;
| | - Bogdan Stancu
- 2nd Department of General Surgery, Iuliu Hatieganu University of Medicine and Pharmacy, 400006 Cluj-Napoca, Romania;
| | - Laura Vicaș
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 29 Nicolae Jiga Street, 410028 Oradea, Romania; (T.J.); (A.P.); (E.M.); (L.V.)
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13
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Chemotherapy-Induced Myopathy: The Dark Side of the Cachexia Sphere. Cancers (Basel) 2021; 13:cancers13143615. [PMID: 34298829 PMCID: PMC8304349 DOI: 10.3390/cancers13143615] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/11/2021] [Accepted: 07/14/2021] [Indexed: 02/06/2023] Open
Abstract
Simple Summary In addition to cancer-related factors, anti-cancer chemotherapy treatment can drive life-threatening body wasting in a syndrome known as cachexia. Emerging evidence has described the impact of several key chemotherapeutic agents on skeletal muscle in particular, and the mechanisms are gradually being unravelled. Despite this evidence, there remains very little research regarding therapeutic strategies to protect muscle during anti-cancer treatment and current global grand challenges focused on deciphering the cachexia conundrum fail to consider this aspect—chemotherapy-induced myopathy remains very much on the dark side of the cachexia sphere. This review explores the impact and mechanisms of, and current investigative strategies to protect against, chemotherapy-induced myopathy to illuminate this serious issue. Abstract Cancer cachexia is a debilitating multi-factorial wasting syndrome characterised by severe skeletal muscle wasting and dysfunction (i.e., myopathy). In the oncology setting, cachexia arises from synergistic insults from both cancer–host interactions and chemotherapy-related toxicity. The majority of studies have surrounded the cancer–host interaction side of cancer cachexia, often overlooking the capability of chemotherapy to induce cachectic myopathy. Accumulating evidence in experimental models of cachexia suggests that some chemotherapeutic agents rapidly induce cachectic myopathy, although the underlying mechanisms responsible vary between agents. Importantly, we highlight the capacity of specific chemotherapeutic agents to induce cachectic myopathy, as not all chemotherapies have been evaluated for cachexia-inducing properties—alone or in clinically compatible regimens. Furthermore, we discuss the experimental evidence surrounding therapeutic strategies that have been evaluated in chemotherapy-induced cachexia models, with particular focus on exercise interventions and adjuvant therapeutic candidates targeted at the mitochondria.
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14
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Clayton ZS, Brunt VE, Hutton DA, Casso AG, Ziemba BP, Melov S, Campisi J, Seals DR. Tumor Necrosis Factor Alpha-Mediated Inflammation and Remodeling of the Extracellular Matrix Underlies Aortic Stiffening Induced by the Common Chemotherapeutic Agent Doxorubicin. Hypertension 2021; 77:1581-1590. [PMID: 33719511 DOI: 10.1161/hypertensionaha.120.16759] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Zachary S Clayton
- Department of Integrative Physiology, University of Colorado Boulder, Colorado (Z.S.C., V.E.B., D.A.H., A.G.C., B.P.Z., D.R.S.)
| | - Vienna E Brunt
- Department of Integrative Physiology, University of Colorado Boulder, Colorado (Z.S.C., V.E.B., D.A.H., A.G.C., B.P.Z., D.R.S.)
| | - David A Hutton
- Department of Integrative Physiology, University of Colorado Boulder, Colorado (Z.S.C., V.E.B., D.A.H., A.G.C., B.P.Z., D.R.S.)
| | - Abigail G Casso
- Department of Integrative Physiology, University of Colorado Boulder, Colorado (Z.S.C., V.E.B., D.A.H., A.G.C., B.P.Z., D.R.S.)
| | - Brian P Ziemba
- Department of Integrative Physiology, University of Colorado Boulder, Colorado (Z.S.C., V.E.B., D.A.H., A.G.C., B.P.Z., D.R.S.)
| | - Simon Melov
- Buck Institute for Research on Aging, Novato, CA (S.M., J.C.)
| | - Judith Campisi
- Buck Institute for Research on Aging, Novato, CA (S.M., J.C.).,Lawrence Berkeley National Laboratory, CA (J.C.)
| | - Douglas R Seals
- Department of Integrative Physiology, University of Colorado Boulder, Colorado (Z.S.C., V.E.B., D.A.H., A.G.C., B.P.Z., D.R.S.)
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15
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Targeting the Activin Receptor Signaling to Counteract the Multi-Systemic Complications of Cancer and Its Treatments. Cells 2021; 10:cells10030516. [PMID: 33671024 PMCID: PMC7997313 DOI: 10.3390/cells10030516] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 02/23/2021] [Accepted: 02/24/2021] [Indexed: 02/07/2023] Open
Abstract
Muscle wasting, i.e., cachexia, frequently occurs in cancer and associates with poor prognosis and increased morbidity and mortality. Anticancer treatments have also been shown to contribute to sustainment or exacerbation of cachexia, thus affecting quality of life and overall survival in cancer patients. Pre-clinical studies have shown that blocking activin receptor type 2 (ACVR2) or its ligands and their downstream signaling can preserve muscle mass in rodents bearing experimental cancers, as well as in chemotherapy-treated animals. In tumor-bearing mice, the prevention of skeletal and respiratory muscle wasting was also associated with improved survival. However, the definitive proof that improved survival directly results from muscle preservation following blockade of ACVR2 signaling is still lacking, especially considering that concurrent beneficial effects in organs other than skeletal muscle have also been described in the presence of cancer or following chemotherapy treatments paired with counteraction of ACVR2 signaling. Hence, here, we aim to provide an up-to-date literature review on the multifaceted anti-cachectic effects of ACVR2 blockade in preclinical models of cancer, as well as in combination with anticancer treatments.
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16
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VanderVeen BN, Sougiannis AT, Velazquez KT, Carson JA, Fan D, Murphy EA. The Acute Effects of 5 Fluorouracil on Skeletal Muscle Resident and Infiltrating Immune Cells in Mice. Front Physiol 2020; 11:593468. [PMID: 33364975 PMCID: PMC7750461 DOI: 10.3389/fphys.2020.593468] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 11/13/2020] [Indexed: 12/14/2022] Open
Abstract
5 fluorouracil (5FU) has been a first-choice chemotherapy drug for several cancer types (e.g., colon, breast, head, and neck); however, its efficacy is diminished by patient acquired resistance and pervasive side effects. Leukopenia is a hallmark of 5FU; however, the impact of 5FU-induced leukopenia on healthy tissue is only becoming unearthed. Recently, skeletal muscle has been shown to be impacted by 5FU in clinical and preclinical settings and weakness and fatigue remain among the most consistent complaints in cancer patients undergoing chemotherapy. Monocytes, or more specifically macrophages, are the predominate immune cell in skeletal muscle which regulate turnover and homeostasis through removal of damaged or old materials as well as coordinate skeletal muscle repair and remodeling. Whether 5FU-induced leukopenia extends beyond circulation to impact resident and infiltrating skeletal muscle immune cells has not been examined. The purpose of the study was to examine the acute effects of 5FU on resident and infiltrating skeletal muscle monocytes and inflammatory mediators. Male C57BL/6 mice were given a physiologically translatable dose (35 mg/kg) of 5FU, or PBS, i.p. once daily for 5 days to recapitulate 1 dosing cycle. Our results demonstrate that 5FU reduced circulating leukocytes, erythrocytes, and thrombocytes while inducing significant body weight loss (>5%). Flow cytometry analysis of the skeletal muscle indicated a reduction in total CD45+ immune cells with a corresponding decrease in total CD45+CD11b+ monocytes. There was a strong relationship between circulating leukocytes and skeletal muscle CD45+ immune cells. Skeletal muscle Ly6cHigh activated monocytes and M1-like macrophages were reduced with 5FU treatment while total M2-like CD206+CD11c- macrophages were unchanged. Interestingly, 5FU reduced bone marrow CD45+ immune cells and CD45+CD11b+ monocytes. Our results demonstrate that 5FU induced body weight loss and decreased skeletal muscle CD45+ immune cells in association with a reduction in infiltrating Ly6cHigh monocytes. Interestingly, the loss of skeletal muscle immune cells occurred with bone marrow cell cycle arrest. Together our results highlight that skeletal muscle is sensitive to 5FU's off-target effects which disrupts both circulating and skeletal muscle immune cells.
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Affiliation(s)
- Brandon N. VanderVeen
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, SC, United States
- AcePre, LLC, Columbia, SC, United States
| | - Alexander T. Sougiannis
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, SC, United States
| | - Kandy T. Velazquez
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, SC, United States
| | - James A. Carson
- Department of Physical Therapy, College of Health Professionals, University of Tennessee Health Science Center, Memphis, TN, United States
| | - Daping Fan
- AcePre, LLC, Columbia, SC, United States
- Department of Cell Biology and Anatomy, University of South Carolina School of Medicine, Columbia, SC, United States
| | - E. Angela Murphy
- Department of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, SC, United States
- AcePre, LLC, Columbia, SC, United States
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17
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Biswas AK, Acharyya S. The Etiology and Impact of Muscle Wasting in Metastatic Cancer. Cold Spring Harb Perspect Med 2020; 10:cshperspect.a037416. [PMID: 31615873 DOI: 10.1101/cshperspect.a037416] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Metastasis arises when cancer cells disseminate from their site of origin and invade distant organs. While cancer cells rarely colonize muscle, they often induce a debilitating muscle-wasting condition known as cachexia that compromises feeding, breathing, and cardiac function in metastatic cancer patients. In fact, nearly 80% of metastatic cancer patients experience a spectrum of muscle-wasting states, which deteriorates the quality of life and overall survival of cancer patients. Muscle wasting in cancer results from increased muscle catabolism induced by circulating tumor factors and a systemic metabolic dysfunction. In addition, muscle loss can be exacerbated by the exposure to antineoplastic therapies and the process of aging. With no approved therapies to alleviate cachexia, muscle health, therefore, becomes a key determinant of prognosis, treatment response, and survival in metastatic cancer patients. This review will discuss the current understanding of cancer-associated cachexia and highlight promising therapeutic strategies to treat muscle wasting in the context of metastatic cancers.
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Affiliation(s)
- Anup K Biswas
- Department of Pathology and Cell Biology, Institute for Cancer Genetics, Columbia University, New York, New York 10032, USA
| | - Swarnali Acharyya
- Department of Pathology and Cell Biology, Institute for Cancer Genetics, Columbia University, New York, New York 10032, USA.,Department of Pathology and Cell Biology, Columbia University Medical Center, New York, New York 10032, USA.,Herbert Irving Comprehensive Cancer Center, New York, New York 10032, USA
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18
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Clayton ZS, Brunt VE, Hutton DA, VanDongen NS, D’Alessandro A, Reisz JA, Ziemba BP, Seals DR. Doxorubicin-Induced Oxidative Stress and Endothelial Dysfunction in Conduit Arteries Is Prevented by Mitochondrial-Specific Antioxidant Treatment. JACC: CARDIOONCOLOGY 2020; 2:475-488. [PMID: 33073250 PMCID: PMC7561020 DOI: 10.1016/j.jaccao.2020.06.010] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Background Doxorubicin (DOXO) chemotherapy increases risk for cardiovascular disease in part by inducing endothelial dysfunction in conduit arteries. However, the mechanisms mediating DOXO-associated endothelial dysfunction in (intact) arteries and treatment strategies are not established. Objectives We tested the hypothesis that DOXO impairs endothelial function in conduit arteries via excessive mitochondrial reactive oxygen species (ROS) and that these effects could be prevented by treatment with a mitochondrial-targeted antioxidant (MitoQ). Methods Endothelial function (endothelium-dependent dilation [EDD] to acetylcholine) and vascular mitochondrial ROS were assessed 4 weeks following administration (10 mg/kg intraperitoneal injection) of DOXO. A separate cohort of mice received chronic (4 weeks) oral supplementation with MitoQ (drinking water) for 4 weeks following DOXO. Results EDD in isolated pressurized carotid arteries was 55% lower 4 weeks following DOXO (peak EDD, DOXO: 42 ± 7% vs. sham: 94 ± 3%; p = 0.006). Vascular mitochondrial ROS was 52% higher and manganese (mitochondrial) superoxide dismutase was 70% lower after DOXO versus sham (p = 0.0008). Endothelial function was rescued by administration of the mitochondrial-targeted antioxidant, MitoQ, to the perfusate. Exposure to plasma from DOXO-treated mice increased mitochondrial ROS in cultured endothelial cells. Analyses of plasma showed differences in oxidative stress-related metabolites and a marked reduction in vascular endothelial growth factor A in DOXO mice, and restoring vascular endothelial growth factor A to sham levels normalized mitochondrial ROS in endothelial cells incubated with plasma from DOXO mice. Oral MitoQ supplementation following DOXO prevented the reduction in EDD (97 ± 1%; p = 0.002 vs. DOXO alone) by ameliorating mitochondrial ROS suppression of EDD. Conclusions DOXO-induced endothelial dysfunction in conduit arteries is mediated by excessive mitochondrial ROS and ameliorated by mitochondrial-specific antioxidant treatment. Mitochondrial ROS is a viable therapeutic target for mitigating arterial dysfunction with DOXO.
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Affiliation(s)
- Zachary S. Clayton
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
| | - Vienna E. Brunt
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
| | - David A. Hutton
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
| | - Nicholas S. VanDongen
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
| | - Angelo D’Alessandro
- Department of Medicine, Anschutz Medical Campus, University of Colorado Denver, Aurora, Colorado, USA
| | - Julie A. Reisz
- Department of Medicine, Anschutz Medical Campus, University of Colorado Denver, Aurora, Colorado, USA
| | - Brian P. Ziemba
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
| | - Douglas R. Seals
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, Colorado, USA
- Address for correspondence: Dr. Douglas R. Seals, Department of Integrative Physiology, University of Colorado Boulder, 1725 Pleasant Street, 354 UCB, Boulder, Colorado 80309.
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19
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VanderVeen BN, Murphy EA, Carson JA. The Impact of Immune Cells on the Skeletal Muscle Microenvironment During Cancer Cachexia. Front Physiol 2020; 11:1037. [PMID: 32982782 PMCID: PMC7489038 DOI: 10.3389/fphys.2020.01037] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 07/28/2020] [Indexed: 12/22/2022] Open
Abstract
Progressive weight loss combined with skeletal muscle atrophy, termed cachexia, is a common comorbidity associated with cancer that results in adverse consequences for the patient related to decreased chemotherapy responsiveness and increased mortality. Cachexia's complexity has provided a barrier for developing successful therapies to prevent or treat the condition, since a large number of systemic disruptions that can regulate muscle mass are often present. Furthermore, considerable effort has focused on investigating how tumor derived factors and inflammatory mediators directly signal skeletal muscle to disrupt protein turnover regulation. Currently, there is developing appreciation for understanding how cancer alters skeletal muscle's complex microenvironment and the tightly regulated interactions between multiple cell types. Skeletal muscle microenvironment interactions have established functions in muscle response to regeneration from injury, growth, aging, overload-induced hypertrophy, and exercise. This review explores the growing body of evidence for immune cell modulation of the skeletal muscle microenvironment during cancer-induced muscle wasting. Emphasis is placed on the regulatory network that integrates physiological responses between immune cells with other muscle cell types including satellite cells, fibroblast cells, and endothelial cells to regulate myofiber size and plasticity. The overall goal of this review is to provide an understanding of how different cell types that constitute the muscle microenvironment and their signaling mediators contribute to cancer and chemotherapy-induced muscle wasting.
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Affiliation(s)
- Brandon N. VanderVeen
- Department of Pathology, Microbiology, and Immunology, School of Medicine, University of South Carolina, Columbia, SC, United States
- AcePre, LLC, Columbia, SC, United States
| | - E. Angela Murphy
- Department of Pathology, Microbiology, and Immunology, School of Medicine, University of South Carolina, Columbia, SC, United States
- AcePre, LLC, Columbia, SC, United States
| | - James A. Carson
- Integrative Muscle Biology Laboratory, Division of Rehabilitation Sciences, College of Health Professions, University of Tennessee Health Science Center, Memphis, TN, United States
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20
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Hiensch AE, Bolam KA, Mijwel S, Jeneson JAL, Huitema ADR, Kranenburg O, Wall E, Rundqvist H, Wengstrom Y, May AM. Doxorubicin-induced skeletal muscle atrophy: Elucidating the underlying molecular pathways. Acta Physiol (Oxf) 2020; 229:e13400. [PMID: 31600860 PMCID: PMC7317437 DOI: 10.1111/apha.13400] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 10/02/2019] [Accepted: 10/05/2019] [Indexed: 12/13/2022]
Abstract
Aim Loss of skeletal muscle mass is a common clinical finding in cancer patients. The purpose of this meta‐analysis and systematic review was to quantify the effect of doxorubicin on skeletal muscle and report on the proposed molecular pathways possibly leading to doxorubicin‐induced muscle atrophy in both human and animal models. Methods A systematic search of the literature was conducted in PubMed, EMBASE, Web of Science and CENTRAL databases. The internal validity of included studies was assessed using SYRCLE’s risk of bias tool. Results Twenty eligible articles were identified. No human studies were identified as being eligible for inclusion. Doxorubicin significantly reduced skeletal muscle weight (ie EDL, TA, gastrocnemius and soleus) by 14% (95% CI: 9.9; 19.3) and muscle fibre cross‐sectional area by 17% (95% CI: 9.0; 26.0) when compared to vehicle controls. Parallel to negative changes in muscle mass, muscle strength was even more decreased in response to doxorubicin administration. This review suggests that mitochondrial dysfunction plays a central role in doxorubicin‐induced skeletal muscle atrophy. The increased production of ROS plays a key role within this process. Furthermore, doxorubicin activated all major proteolytic systems (ie calpains, the ubiquitin‐proteasome pathway and autophagy) in the skeletal muscle. Although each of these proteolytic pathways contributes to doxorubicin‐induced muscle atrophy, the activation of the ubiquitin‐proteasome pathway is hypothesized to play a key role. Finally, a limited number of studies found that doxorubicin decreases protein synthesis by a disruption in the insulin signalling pathway. Conclusion The results of the meta‐analysis show that doxorubicin induces skeletal muscle atrophy in preclinical models. This effect may be explained by various interacting molecular pathways. Results from preclinical studies provide a robust setting to investigate a possible dose‐response, separate the effects of doxorubicin from tumour‐induced atrophy and to examine underlying molecular pathways. More research is needed to confirm the proposed signalling pathways in humans, paving the way for potential therapeutic approaches.
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Affiliation(s)
- Anouk E. Hiensch
- Julius Center for Health Sciences and Primary Care University Medical Center UtrechtUtrecht University Utrecht The Netherlands
| | - Kate A. Bolam
- Department of Neurobiology, Care Sciences and Society Karolinska Institutet Stockholm Sweden
| | - Sara Mijwel
- Department of Neurobiology, Care Sciences and Society Karolinska Institutet Stockholm Sweden
| | - Jeroen A. L. Jeneson
- Neuroimaging Centre Division of Neuroscience University Medical Center Groningen Groningen The Netherlands
- Department of Radiology Academic Medical Center Amsterdam University of Amsterdam Amsterdam The Netherlands
| | - Alwin D. R. Huitema
- Department of Pharmacy & Pharmacology The Netherlands Cancer Institute‐Antoni van Leeuwenhoek and MC Slotervaart Amsterdam The Netherlands
- Department of Clinical Pharmacy University Medical Center Utrecht University Utrecht The Netherlands
| | - Onno Kranenburg
- UMC Utrecht Cancer Center University Medical Center Utrecht Utrecht The Netherlands
| | - Elsken Wall
- Department of Medical Oncology University Medical Center Utrecht Utrecht University Utrecht The Netherlands
| | - Helene Rundqvist
- Department of Cell and Molecular Biology Karolinska Institutet Stockholm Sweden
| | - Yvönne Wengstrom
- Department of Neurobiology, Care Sciences and Society Karolinska Institutet Stockholm Sweden
- Theme Cancer Karolinska University Hospital Stockholm Sweden
| | - Anne M. May
- Julius Center for Health Sciences and Primary Care University Medical Center UtrechtUtrecht University Utrecht The Netherlands
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21
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Rocca C, Pasqua T, Cerra MC, Angelone T. Cardiac Damage in Anthracyclines Therapy: Focus on Oxidative Stress and Inflammation. Antioxid Redox Signal 2020; 32:1081-1097. [PMID: 31928066 DOI: 10.1089/ars.2020.8016] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Significance: Despite their serious side effects, anthracyclines (ANTs) are the most prescribed chemotherapeutic drugs because of their strong efficacy in both solid and hematological tumors. A major limitation to ANTs clinical application is the severe cardiotoxicity observed both acutely and chronically. The mechanism underlying cardiac dysfunction under chemotherapy is mainly dependent on the generation of oxidative stress and systemic inflammation, both of which lead to progressive cardiomyopathy and heart failure. Recent Advances: Over the years, the iatrogenic ANTs-induced cardiotoxicity was believed to be simply given by iron metabolism and reactive oxygen species production; however, several experimental data indicate that ANTs may use alternative damaging mechanisms, such as topoisomerase 2β inhibition, inflammation, pyroptosis, immunometabolism, and autophagy. Critical Issues: In this review, we aimed at discussing ANTs-induced cardiac injury from different points of view, updating and focusing on oxidative stress and inflammation, since these pathways are not exclusive or independent from each other but they together importantly contribute to the complexity of ANTs-induced multifactorial cardiotoxicity. Future Directions: A deeper understanding of the mechanistic signaling leading to ANTs side effects could reveal crucial targeting molecules, thus representing strategic knowledge to promote better therapeutic efficacy and lower cardiotoxicity during clinical application.
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Affiliation(s)
- Carmine Rocca
- Laboratory of Cellular and Molecular Cardiovascular Physiology, Department of Biology, Ecology and Earth Sciences, University of Calabria, Rende, Italy
| | - Teresa Pasqua
- Laboratory of Cellular and Molecular Cardiovascular Physiology, Department of Biology, Ecology and Earth Sciences, University of Calabria, Rende, Italy
| | - Maria Carmela Cerra
- Laboratory of Organ and System Physiology, Department of Biology, Ecology and Earth Sciences, University of Calabria, Rende, Italy.,National Institute of Cardiovascular Research (INRC), Bologna, Italy
| | - Tommaso Angelone
- Laboratory of Cellular and Molecular Cardiovascular Physiology, Department of Biology, Ecology and Earth Sciences, University of Calabria, Rende, Italy.,National Institute of Cardiovascular Research (INRC), Bologna, Italy
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22
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Todorova VK, Siegel ER, Kaufmann Y, Kumarapeli A, Owen A, Wei JY, Makhoul I, Klimberg VS. Dantrolene Attenuates Cardiotoxicity of Doxorubicin Without Reducing its Antitumor Efficacy in a Breast Cancer Model. Transl Oncol 2020; 13:471-480. [PMID: 31918212 PMCID: PMC7031101 DOI: 10.1016/j.tranon.2019.12.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 12/02/2019] [Accepted: 12/03/2019] [Indexed: 02/07/2023] Open
Abstract
Dysregulation of calcium homeostasis is a major mechanism of doxorubicin (DOX)-induced cardiotoxicity. Treatment with DOX causes activation of sarcoplasmic reticulum (SR) ryanodine receptor (RYR) and rapid release of Ca2+ in the cytoplasm resulting in depression of myocardial function. The aim of this study was to examine the effect of dantrolene (DNT) a RYR blocker on both the cardiotoxicity and antitumor activity of DOX in a rat model of breast cancer. Female F344 rats with implanted MAT B III breast cancer cells were randomized to receive intraperitoneal DOX twice per week (12 mg/kg total dose), 5 mg/kg/day oral DNT or a combination of DOX + DNT for 3 weeks. Echocardiography and blood troponin I levels were used to measure myocardial injury. Hearts and tumors were evaluated for histopathological alterations. Blood glutathione was assessed as a measure of oxidative stress. The results showed that DNT improved DOX-induced alterations in the echocardiographic parameters by 50%. Histopathologic analysis of hearts showed reduced DOX induced cardiotoxicity in the group treated with DOX + DNT as shown by reduced interstitial edema, cytoplasmic vacuolization, and myofibrillar disruption, compared with DOX-only–treated hearts. Rats treated with DNT lost less body weight, had higher blood GSH levels and lower troponin I levels than DOX-treated rats. These data indicate that DNT is able to provide protection against DOX cardiotoxicity without reducing its antitumor activity. Further studies are needed to determine the optimal dosing of DNT and DOX in a tumor-bearing host.
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Affiliation(s)
- Valentina K Todorova
- Department of Surgery, University of Arkansas for Medical Sciences, Little Rock, USA.
| | - Eric R Siegel
- Department of Biostatistics, University of Arkansas for Medical Sciences, Little Rock, USA
| | - Yihong Kaufmann
- Department of Surgery, University of Arkansas for Medical Sciences, Little Rock, USA
| | - Asangi Kumarapeli
- Department of Pathology, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Aaron Owen
- Department of Surgery, University of Arkansas for Medical Sciences, Little Rock, USA
| | - Jeanne Y Wei
- Department of Geriatrics, University of Arkansas for Medical Sciences, Little Rock, USA
| | - Issam Makhoul
- Division of Medical Oncology, University of Arkansas for Medical Sciences, Little Rock, USA
| | - V Suzanne Klimberg
- Department of Surgery, University of Arkansas for Medical Sciences, Little Rock, USA
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23
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Nelson CM, Marchese V, Rock K, Henshaw RM, Addison O. Alterations in Muscle Architecture: A Review of the Relevance to Individuals After Limb Salvage Surgery for Bone Sarcoma. Front Pediatr 2020; 8:292. [PMID: 32612962 PMCID: PMC7308581 DOI: 10.3389/fped.2020.00292] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 05/07/2020] [Indexed: 11/13/2022] Open
Abstract
Osteosarcoma and Ewing's sarcoma are the most common primary bone malignancies affecting children and adolescents. Optimal treatment requires a combination of chemotherapy and/or radiation along with surgical removal when feasible. Advances in multiple aspects of surgical management have allowed limb salvage surgery (LSS) to supplant amputation as the most common procedure for these tumors. However, individuals may experience significant impairment after LSS, including deficits in range of motion and strength that limit function and impact participation in work, school, and the community, ultimately affecting quality of life. Muscle force and speed of contraction are important contributors to normal function during activities such as gait, stairs, and other functional tasks. Muscle architecture is the primary contributor to muscle function and adapts to various stimuli, including periods of immobilization-protected weightbearing after surgery. The impacts of LSS on muscle architecture and how adaptations may impact deficits within the rehabilitation period and into long-term survivorship is not well-studied. The purpose of this paper is to [1] provide relevant background on bone sarcomas and LSS, [2] highlight the importance of muscle architecture, its measurement, and alterations as seen in other relevant populations and [3] discuss the clinical relevance of muscle architectural changes and the impact on muscle dysfunction in this population. Understanding the changes that occur in muscle architecture and its impact on long-term impairments in bone sarcoma survivors is important in developing new rehabilitation treatments that optimize functional outcomes.
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Affiliation(s)
- Christa M Nelson
- Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Victoria Marchese
- Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Kelly Rock
- Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Robert M Henshaw
- Department of Orthopedic Oncology, MedStar Georgetown Orthopedic Institute, Washington, DC, United States.,Department of Orthopedic Oncology, Children's National Medical Center, Washington, DC, United States
| | - Odessa Addison
- Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, MD, United States.,Baltimore VA GRECC, Baltimore, MD, United States
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24
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Tarpey MD, Amorese AJ, Balestrieri NP, Fisher-Wellman KH, Spangenburg EE. Doxorubicin causes lesions in the electron transport system of skeletal muscle mitochondria that are associated with a loss of contractile function. J Biol Chem 2019; 294:19709-19722. [PMID: 31690631 DOI: 10.1074/jbc.ra119.008426] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 10/25/2019] [Indexed: 12/29/2022] Open
Abstract
Doxorubicin is an anthracycline-based chemotherapeutic that causes myotoxicity with symptoms persisting beyond treatment. Patients experience muscle pain, weakness, fatigue, and atrophy, but the underlying mechanisms are poorly understood. Studies investigating doxorubicin-induced myotoxicity have reported disrupted mitochondrial function. Mitochondria are responsible for regulating both cellular energy status and Ca2+ handling, both of which impact contractile function. Moreover, loss of mitochondrial integrity may initiate muscle atrophy. Skeletal muscle mitochondrial dysregulation may therefore contribute to an overall loss of skeletal muscle quality and performance that may be mitigated by appropriately targeted mitochondrial therapies. We therefore assessed the impact of doxorubicin on muscle performance and applied a multiplexed assay platform to diagnose alterations in mitochondrial respiratory control. Mice received a clinically relevant dose of doxorubicin delivered systemically and were euthanized 72 h later. We measured extensor digitorum longus and soleus muscle forces, fatigue, and contractile kinetics in vitro, along with Ca2+ uptake in isolated sarcoplasmic reticulum. Isolated skeletal muscle mitochondria were used for real-time respirometry or frozen for protein content and activity assays. Doxorubicin impaired muscle performance, which was indicated by reduced force production, fatigue resistance, and sarcoplasmic reticulum-Ca2+ uptake, which were associated with a substrate-independent reduction in respiration and membrane potential but no changes in the NAD(P)H/NAD(P)+ redox state. Protein content and dehydrogenase activity results corroborated these findings, indicating that doxorubicin-induced mitochondrial impairments are located upstream of ATP synthase within the electron transport system. Collectively, doxorubicin-induced lesions likely span mitochondrial complexes I-IV, providing potential targets for alleviating doxorubicin myotoxicity.
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Affiliation(s)
- Michael D Tarpey
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, North Carolina 27834
| | - Adam J Amorese
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, North Carolina 27834
| | - Nicholas P Balestrieri
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, North Carolina 27834
| | - Kelsey H Fisher-Wellman
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, North Carolina 27834.,East Carolina Diabetes and Obesity Institute, Brody School of Medicine, East Carolina University, Greenville, North Carolina 27834
| | - Espen E Spangenburg
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, North Carolina 27834 .,East Carolina Diabetes and Obesity Institute, Brody School of Medicine, East Carolina University, Greenville, North Carolina 27834
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25
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Guigni BA, Fix DK, Bivona JJ, Palmer BM, Carson JA, Toth MJ. Electrical stimulation prevents doxorubicin-induced atrophy and mitochondrial loss in cultured myotubes. Am J Physiol Cell Physiol 2019; 317:C1213-C1228. [PMID: 31532714 DOI: 10.1152/ajpcell.00148.2019] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Muscle contraction may protect against the effects of chemotherapy to cause skeletal muscle atrophy, but the mechanisms underlying these benefits are unclear. To address this question, we utilized in vitro modeling of contraction and mechanotransduction in C2C12 myotubes treated with doxorubicin (DOX; 0.2 μM for 3 days). Myotubes expressed contractile proteins and organized these into functional myofilaments, as electrical field stimulation (STIM) induced intracellular calcium (Ca2+) transients and contractions, both of which were prevented by inhibition of membrane depolarization. DOX treatment reduced myotube myosin content, protein synthesis, and Akt (S308) and forkhead box O3a (FoxO3a; S253) phosphorylation and increased muscle RING finger 1 (MuRF1) expression. STIM (1 h/day) prevented DOX-induced reductions in myotube myosin content and Akt and FoxO3a phosphorylation, as well as increases in MuRF1 expression, but did not prevent DOX-induced reductions in protein synthesis. Inhibition of myosin-actin interaction during STIM prevented contraction and the antiatrophic effects of STIM without affecting Ca2+ cycling, suggesting that the beneficial effect of STIM derives from mechanotransductive pathways. Further supporting this conclusion, mechanical stretch of myotubes recapitulated the effects of STIM to prevent DOX suppression of FoxO3a phosphorylation and upregulation of MuRF1. DOX also increased reactive oxygen species (ROS) production, which led to a decrease in mitochondrial content. Although STIM did not alter DOX-induced ROS production, peroxisome proliferator-activated receptor-γ coactivator-1α and antioxidant enzyme expression were upregulated, and mitochondrial loss was prevented. Our results suggest that the activation of mechanotransductive pathways that downregulate proteolysis and preserve mitochondrial content protects against the atrophic effects of chemotherapeutics.
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Affiliation(s)
- Blas A Guigni
- Department of Medicine, College of Medicine, University of Vermont, Burlington, Vermont.,Department of Molecular Physiology and Biophysics, College of Medicine, University of Vermont, Burlington, Vermont
| | - Dennis K Fix
- Department of Exercise Science, University of South Carolina, Columbia, South Carolina
| | - Joseph J Bivona
- Department of Medicine, College of Medicine, University of Vermont, Burlington, Vermont
| | - Bradley M Palmer
- Department of Molecular Physiology and Biophysics, College of Medicine, University of Vermont, Burlington, Vermont
| | - James A Carson
- Department of Exercise Science, University of South Carolina, Columbia, South Carolina.,Division of Rehabilitation Sciences, College of Health Professions, University of Tennessee Health Science Center, Memphis, Tennessee
| | - Michael J Toth
- Department of Medicine, College of Medicine, University of Vermont, Burlington, Vermont.,Department of Molecular Physiology and Biophysics, College of Medicine, University of Vermont, Burlington, Vermont.,Department of Orthopedics and Rehabilitation, College of Medicine, University of Vermont, Burlington, Vermont
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26
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Smuder AJ. Exercise stimulates beneficial adaptations to diminish doxorubicin-induced cellular toxicity. Am J Physiol Regul Integr Comp Physiol 2019; 317:R662-R672. [PMID: 31461307 DOI: 10.1152/ajpregu.00161.2019] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Doxorubicin (DOX) is a highly effective antitumor agent used for the treatment of a wide range of cancers. Unfortunately, DOX treatment results in cytotoxic side effects due to its accumulation within off-target tissues. DOX-induced cellular toxicity occurs as a result of increased oxidative damage, resulting in apoptosis and cell death. While there is no standard-of-care practice to prevent DOX-induced toxicity to healthy organs, exercise has been shown to prevent cellular dysfunction when combined with DOX chemotherapy. Endurance exercise stimulates numerous biochemical adaptations that promote a healthy phenotype in several vulnerable tissues without affecting the antineoplastic properties of DOX. Therefore, for the development of an effective strategy to combat the pathological effects of DOX, it is important to determine the appropriate exercise regimen to prescribe to cancer patients receiving DOX therapy and to understand the mechanisms responsible for exercise-induced protection against DOX toxicity to noncancer cells. This review summarizes the cytotoxic effects of DOX on the heart, skeletal muscle, liver, and kidneys and discusses the current understanding of the clinical benefits of regular physical activity and the potential mechanisms mediating the positive effects of exercise on each organ system.
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Affiliation(s)
- Ashley J Smuder
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, Florida
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27
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Antoun S, Bayar MA, Dyevre V, Lanoy E, Smolenschi C, Ducreux M. No evidence for changes in skeletal muscle mass or weight during first-line chemotherapy for metastatic colorectal cancer. BMC Cancer 2019; 19:847. [PMID: 31462288 PMCID: PMC6714393 DOI: 10.1186/s12885-019-6086-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Accepted: 08/23/2019] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Studies over the past 10 years strongly support an association between skeletal muscle mass (SMM) depletion and outcome in metastatic colorectal cancer (mCRC). Factors influencing SMM changes over time are, however, poorly studied. We analyzed the impact of SMM on overall survival and chemotherapy toxicities in mCRC patients treated with first-line chemotherapy. Changes in weight and body composition were evaluated during follow-up. METHODS Patients enrolled in the randomized phase II ACCORD trial comparing two chemotherapy regimens were screened. Body composition parameters (SMM, adipose tissue) were assessed prospectively with computed tomography (CT) imaging, and toxicities were recorded. Mixed models were used to assess weight and BC changes during 4 months of treatment follow-up. RESULTS Among 145 patients included in ACCORD, 76 had available baseline CT scans and were included in the current study. Mean age was 60.6 ± 10.0 years, 50% were women, 82% had colon cancer, and 62% had two or more metastatic sites. At baseline, 49% had lost at least 5% of their initial weight, including 26% who had lost more than 10%; 53% had SMM depletion. In this homogenous cohort, there were no statistically significant associations between SMM depletion and overall survival, progression-free survival or chemotherapy toxicity. There were no decreases in weight or SMM during follow-up. Weight and SMM changes were not influenced by diarrhea either grade 3-4 or any grade (reported in 74% of patients). For patients with weight loss ≥10% at baseline, SMM increased significantly after 4 months of follow-up and after disease stabilization following chemotherapy (P = 0.008). CONCLUSIONS In a homogenous mCRC cohort, SMM depletion was not associated with survival or chemotherapy toxicity. Despite most patient experiencing diarrhea, no changes in weight or SMM were found during 4 months of follow-up. However, hypotheses deriving from our exploratory study have to be tested in further larger sample size studies. TRIAL REGISTRATION Clinicaltrials.gov NCT00423696 (2011).
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Affiliation(s)
- Sami Antoun
- Medical Emergency Unit in Oncology, Gustave Roussy Cancer Campus, 94800, Villejuif, France.
| | - Mohamed Amine Bayar
- Department of Biostatics and Epidemiology, Gustave Roussy Cancer Campus, 94800, Villejuif, France.,CESP, Faculté de Médecine, Université Paris Sud, INSERM, Université Paris Saclay, 94805, Villejuif, France
| | - Valérie Dyevre
- Department of Biostatics and Epidemiology, Gustave Roussy Cancer Campus, 94800, Villejuif, France
| | - Emilie Lanoy
- Department of Biostatics and Epidemiology, Gustave Roussy Cancer Campus, 94800, Villejuif, France
| | - Cristina Smolenschi
- Department Medical Oncology, Gustave Roussy Cancer Campu, 94800, Villejuif, France
| | - Michel Ducreux
- Department Medical Oncology, Gustave Roussy Cancer Campu, 94800, Villejuif, France
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28
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Sclareol is a potent enhancer of doxorubicin: Evaluation of the free combination and co-loaded nanostructured lipid carriers against breast cancer. Life Sci 2019; 232:116678. [PMID: 31344429 DOI: 10.1016/j.lfs.2019.116678] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 07/14/2019] [Accepted: 07/20/2019] [Indexed: 11/22/2022]
Abstract
AIMS In this work, it was sought to determine if there was synergism between doxorubicin (DOX), a well-known antineoplastic, and sclareol (SC), a diterpene from natural origin, in breast cancer treatment. Moreover, it was investigated if their co-loading in the same nanocarrier would result in a gain of activity and/or a toxicity diminishment. MAIN METHODS The synergism of the DOX:SC combination was evaluated in MDA-MB-231 and 4T1 cells. A nanostructured lipid carrier (NLC) co-encapsulating DOX and SC in their synergistic molar ratio was prepared and characterised, in terms of mean diameter, zeta potential, DOX encapsulation efficiency, small angle X-ray scattering, differential scanning calorimetry, and polarised light microscopy for further intravenous administration. The anticancer activity of the combination, free and encapsulated, was evaluated in 4T1-tumour bearing mice. KEY FINDINGS It was determined that DOX:SC combination at the molar ratio 1:1.9 presents better synergistic anticancer activity than the molar ratio 1:7.5 in vitro. DOX:SC-loaded NLC (NLC-DOX-SC) improved in vitro cytotoxic and in vivo antitumour activity compared to free DOX. Although NLC-DOX-SC and free DOX:SC, at the synergistic molar ratio, showed similar activity in the in vivo study, the free combination provoked body weight loss, behaviour alterations and haematological toxicity in the animals, while this was not observed for NLC-DOX-SC. SIGNIFICANCE This work shows that SC and DOX present synergistic anticancer activity for breast cancer treatment whereas NLC-DOX-SC was a feasible alternative to attain the benefits posed by DOX:SC combination but with none to fewer side effects.
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29
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Møller AB, Lønbro S, Farup J, Voss TS, Rittig N, Wang J, Højris I, Mikkelsen UR, Jessen N. Molecular and cellular adaptations to exercise training in skeletal muscle from cancer patients treated with chemotherapy. J Cancer Res Clin Oncol 2019; 145:1449-1460. [PMID: 30968255 DOI: 10.1007/s00432-019-02911-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 03/28/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND A growing body of evidence suggests that exercise training has beneficial effects in cancer patients. The aim of the present study was to investigate the molecular basis underlying these beneficial effects in skeletal muscle from cancer patients. METHODS We investigated expression of selected proteins involved in cellular processes known to orchestrate adaptation to exercise training by western blot. Skeletal muscle biopsies were sampled from ten cancer patients before and after 4-7 weeks of ongoing chemotherapy, and subsequently after 10 weeks of continued chemotherapy in combination with exercise training. Biopsies from ten healthy matched subjects served as reference. RESULTS The expression of the insulin-regulated glucose transporter, GLUT4, increased during chemotherapy and continued to increase during exercise training. A similar trend was observed for ACC, a key enzyme in the biosynthesis and oxidation of fatty acids, but we did not observe any changes in other regulators of substrate metabolism (AMPK and PDH) or mitochondrial proteins (Cyt-C, COX-IV, SDHA, and VDAC). Markers of proteasomal proteolysis (MURF1 and ATROGIN-1) decreased during chemotherapy, but did not change further during chemotherapy combined with exercise training. A similar pattern was observed for autophagy-related proteins such as ATG5, p62, and pULK1 Ser757, but not ULK1 and LC3BII/LC3BI. Phosphorylation of FOXO3a at Ser318/321 did not change during chemotherapy, but decreased during exercise training. This could suggest that FOXO3a-mediated transcriptional regulation of MURF1 and ATROGIN-1 serves as a mechanism by which exercise training maintains proteolytic systems in skeletal muscle in cancer patients. Phosphorylation of proteins that regulate protein synthesis (mTOR at Ser2448 and 4EBP1 at Thr37/46) increased during chemotherapy and leveled off during exercise training. Finally, chemotherapy tended to increase the number of satellite cells in type 1 fibers, without any further change during chemotherapy and exercise training. Conversely, the number of satellite cells in type 2 fibers did not change during chemotherapy, but increased during chemotherapy combined with exercise training. CONCLUSIONS Molecular signaling cascades involved in exercise training are disturbed during cancer and chemotherapy, and exercise training may prevent further disruption of these pathways. TRIAL REGISTRATION The study was approved by the local Scientific Ethics Committee of the Central Denmark Region (Project ID: M-2014-15-14; date of approval: 01/27/2014) and the Danish Data Protection Agency (case number 2007-58-0010; date of approval: 01/28/2015). The trial was registered at http//www.clinicaltrials.gov (registration number: NCT02192216; date of registration 07/17-2014).
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Affiliation(s)
- Andreas Buch Møller
- Research Laboratory for Biochemical Pathology, Department of Clinical Medicine, HEALTH, Aarhus University Hospital, Palle Juul-Jensen Blvd., 8200, Aarhus N, Denmark.,Steno Diabetes Center Aarhus, Aarhus University Hospital, Aarhus, Denmark
| | - Simon Lønbro
- Section of Sports Science, Department of Public Health, HEALTH, Aarhus University, Aarhus, Denmark.,Department of Experimental Clinical Oncology, Aarhus University Hospital, Aarhus, Denmark
| | - Jean Farup
- Research Laboratory for Biochemical Pathology, Department of Clinical Medicine, HEALTH, Aarhus University Hospital, Palle Juul-Jensen Blvd., 8200, Aarhus N, Denmark
| | - Thomas Schmidt Voss
- Steno Diabetes Center Aarhus, Aarhus University Hospital, Aarhus, Denmark.,Medical Research Laboratory, Department of Clinical Medicine, HEALTH, Aarhus University, Aarhus, Denmark
| | - Nikolaj Rittig
- Steno Diabetes Center Aarhus, Aarhus University Hospital, Aarhus, Denmark.,Medical Research Laboratory, Department of Clinical Medicine, HEALTH, Aarhus University, Aarhus, Denmark
| | - Jakob Wang
- Section of Sports Science, Department of Public Health, HEALTH, Aarhus University, Aarhus, Denmark
| | - Inger Højris
- Department of Oncology, Aarhus University Hospital, Aarhus, Denmark
| | - Ulla Ramer Mikkelsen
- Section of Sports Science, Department of Public Health, HEALTH, Aarhus University, Aarhus, Denmark.,Department of Orthopedic Surgery, Bispebjerg Hospital and Center for Healthy Aging, Institute of Sports Medicine, Faculty of Health Science, University of Copenhagen, Copenhagen, Denmark
| | - Niels Jessen
- Research Laboratory for Biochemical Pathology, Department of Clinical Medicine, HEALTH, Aarhus University Hospital, Palle Juul-Jensen Blvd., 8200, Aarhus N, Denmark. .,Steno Diabetes Center Aarhus, Aarhus University Hospital, Aarhus, Denmark. .,Department of Clinical Pharmacology, Aarhus University Hospital, Aarhus, Denmark.
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30
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D'Lugos AC, Fry CS, Ormsby JC, Sweeney KR, Brightwell CR, Hale TM, Gonzales RJ, Angadi SS, Carroll CC, Dickinson JM. Chronic doxorubicin administration impacts satellite cell and capillary abundance in a muscle-specific manner. Physiol Rep 2019; 7:e14052. [PMID: 30963722 PMCID: PMC6453819 DOI: 10.14814/phy2.14052] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 03/15/2019] [Accepted: 03/16/2019] [Indexed: 01/23/2023] Open
Abstract
Anthracycline chemotherapies are effective at reducing disease recurrence and mortality in cancer patients. However, these drugs also contribute to skeletal muscle wasting and dysfunction. The purpose of this study was to assess the impact of chronic doxorubicin (DOX) administration on satellite cell and capillary densities in different skeletal muscles. We hypothesized that DOX would reduce satellite cell and capillary densities of the soleus (SOL) and extensor digitorum longus (EDL) muscles, along with muscle fiber size. Ovariectomized female Sprague-Dawley rats were randomized to receive three bi-weekly intraperitoneal injections of DOX (4 mg∙kg-1 ; cumulative dose 12 mg∙kg-1 ) or vehicle (VEH; saline). Animals were euthanized 5d following the last injection and the SOL and EDL were dissected and prepared for immunohistochemical and RT-qPCR analyses. Relative to VEH, CSA of the SOL and EDL fibers were 26% and 33% smaller, respectively, in DOX (P < 0.05). In the SOL, satellite cell and capillary densities were 39% and 35% lower, respectively, in DOX (P < 0.05), whereas in the EDL satellite cell and capillary densities were unaffected by DOX administration (P > 0.05). Proliferating satellite cells were unaffected by DOX in the SOL (P > 0.05). In the SOL, MYF5 mRNA expression was increased in DOX (P < 0.05), while in the EDL MGF mRNA expression was reduced in DOX (P < 0.05). Chronic DOX administration is associated with reduced fiber size in the SOL and EDL; however, DOX appeared to reduce satellite cell and capillary densities only in the SOL. These findings highlight that therapeutic targets to protect skeletal muscle from DOX may vary across muscles.
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Affiliation(s)
| | - Christopher S. Fry
- Department of Nutrition and MetabolismUniversity of Texas Medical BranchGalvestonTexas
| | - Jordan C. Ormsby
- College of Health SolutionsArizona State UniversityPhoenixArizona
| | | | - Camille R. Brightwell
- Department of Nutrition and MetabolismUniversity of Texas Medical BranchGalvestonTexas
| | - Taben M. Hale
- Department of Basic Medical SciencesCollege of Medicine‐PhoenixUniversity of ArizonaPhoenixArizona
| | - Rayna J. Gonzales
- Department of Basic Medical SciencesCollege of Medicine‐PhoenixUniversity of ArizonaPhoenixArizona
| | | | - Chad C. Carroll
- Department of PhysiologyMidwestern UniversityGlendaleArizona
- Department of Health and KinesiologyPurdue UniversityWest LafayetteIndiana
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Sturgeon KM, Mathis KM, Rogers CJ, Schmitz KH, Waning DL. Cancer- and Chemotherapy-Induced Musculoskeletal Degradation. JBMR Plus 2019; 3:e10187. [PMID: 30918923 PMCID: PMC6419610 DOI: 10.1002/jbm4.10187] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 01/31/2019] [Accepted: 02/06/2019] [Indexed: 12/14/2022] Open
Abstract
Mobility in advanced cancer patients is a major health care concern and is often lost in advanced metastatic cancers. Erosion of mobility is a major component in determining quality of life but also starts a process of loss of muscle and bone mass that further devastates patients. In addition, treatment options become limited in these advanced cancer patients. Loss of bone and muscle occurs concomitantly. Advanced cancers that are metastatic to bone often lead to bone loss (osteolytic lesions) but may also lead to abnormal deposition of new bone (osteoblastic lesions). However, in both cases there is a disruption to normal bone remodeling and radiologic evidence of bone loss. Many antitumor therapies can also lead to loss of bone in cancer survivors. Bone loss releases cytokines (TGFβ) stored in the mineralized matrix that can act on skeletal muscle and lead to weakness. Likewise, loss of skeletal muscle mass leads to reduced bone mass and quality via mechanical and endocrine signals. Collectively these interactions are termed bone-muscle cross-talk, which has garnered much attention recently as a prime target for musculoskeletal health. Pharmacological approaches as well as nutrition and exercise can improve muscle and bone but have fallen short in the context of advanced cancers and cachexia. This review highlights our current knowledge of these interventions and discusses the difficulties in treating severe musculoskeletal deficits with the emphasis on improving not only bone mass and muscle size but also functional outcomes. © 2019 The Authors. JBMR Plus published by Wiley Periodicals, Inc. on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Kathleen M Sturgeon
- Department of Public Health SciencePenn State College of MedicineHersheyPAUSA
- Penn State Cancer InstituteHersheyPAUSA
| | - Katlynn M Mathis
- Department of Public Health SciencePenn State College of MedicineHersheyPAUSA
| | - Connie J Rogers
- Penn State Cancer InstituteHersheyPAUSA
- Department of Nutritional SciencesPenn State College of Health and Human DevelopmentUniversity ParkPAUSA
| | - Kathryn H Schmitz
- Department of Public Health SciencePenn State College of MedicineHersheyPAUSA
- Penn State Cancer InstituteHersheyPAUSA
- Department of Physical Medicine and RehabilitationPenn State College of MedicineHersheyPAUSA
| | - David L Waning
- Penn State Cancer InstituteHersheyPAUSA
- Department of Cellular and Molecular PhysiologyPenn State College of MedicineHersheyPAUSA
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Plappert-Helbig U, Libertini S, Frieauff W, Theil D, Martus HJ. Gamma-H2AX immunofluorescence for the detection of tissue-specific genotoxicity in vivo. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2019; 60:4-16. [PMID: 30307065 DOI: 10.1002/em.22238] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 07/04/2018] [Accepted: 07/09/2018] [Indexed: 06/08/2023]
Abstract
The phosphorylation of histone H2AX in Serine 139 (gamma-H2AX) marks regions of DNA double strand breaks and contributes to the recruitment of DNA repair factors to the site of DNA damage. Gamma-H2AX is used widely as DNA damage marker in vitro, but its use for genotoxicity assessment in vivo has not been extensively investigated. Here, we developed an image analysis system for the precise quantification of the gamma-H2AX signal, which we used to monitor DNA damage in animals treated with known genotoxicants (EMS, ENU and doxorubicin). To compare this new assay to a validated standard procedure for DNA damage quantification, tissues from the same animals were also analyzed in the comet assay. An increase in the levels of gamma-H2AX was observed in most of the tissues from animals treated with doxorubicin and ENU. Interestingly, the lesions induced by doxorubicin were not easily detected by the standard comet assay, while they were clearly identified by gamma-H2AX staining. Conversely, EMS appeared strongly positive in the comet assay but only mildly in the gamma-H2AX immunofluorescence. These observations suggest that the two methods could complement each other for DNA damage analysis, where gamma-H2AX staining allows the detection of tissue-specific effects in situ. Moreover, since gamma-H2AX staining can be performed on formalin-fixed and paraffin-embedded tissue sections generated during repeated-dose toxicity studies, it does not require any further treatments or extra procedures during dissection, thus optimizing the use of resources and animals. Environ. Mol. Mutagen. 60:4-16, 2019. © 2018 Wiley Periodicals, Inc.
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Affiliation(s)
| | - Silvana Libertini
- Novartis Institutes for BioMedical Research, 4002 Basel, Switzerland
| | - Wilfried Frieauff
- Novartis Institutes for BioMedical Research, 4002 Basel, Switzerland
| | - Diethilde Theil
- Novartis Institutes for BioMedical Research, 4002 Basel, Switzerland
| | - Hans-Jörg Martus
- Novartis Institutes for BioMedical Research, 4002 Basel, Switzerland
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Guigni BA, Callahan DM, Tourville TW, Miller MS, Fiske B, Voigt T, Korwin-Mihavics B, Anathy V, Dittus K, Toth MJ. Skeletal muscle atrophy and dysfunction in breast cancer patients: role for chemotherapy-derived oxidant stress. Am J Physiol Cell Physiol 2018; 315:C744-C756. [PMID: 30207784 DOI: 10.1152/ajpcell.00002.2018] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
How breast cancer and its treatments affect skeletal muscle is not well defined. To address this question, we assessed skeletal muscle structure and protein expression in 13 women who were diagnosed with breast cancer and receiving adjuvant chemotherapy following tumor resection and 12 nondiseased controls. Breast cancer patients showed reduced single-muscle fiber cross-sectional area and fractional content of subsarcolemmal and intermyofibrillar mitochondria. Drugs commonly used in breast cancer patients (doxorubicin and paclitaxel) caused reductions in myosin expression, mitochondrial loss, and increased reactive oxygen species (ROS) production in C2C12 murine myotube cell cultures, supporting a role for chemotherapeutics in the atrophic and mitochondrial phenotypes. Additionally, concurrent treatment of myotubes with the mitochondrial-targeted antioxidant MitoQ prevented chemotherapy-induced myosin depletion, mitochondrial loss, and ROS production. In patients, reduced mitochondrial content and size and increased expression and oxidation of peroxiredoxin 3, a mitochondrial peroxidase, were associated with reduced muscle fiber cross-sectional area. Our results suggest that chemotherapeutics may adversely affect skeletal muscle in patients and that these effects may be driven through effects of these drugs on mitochondrial content and/or ROS production.
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Affiliation(s)
- Blas A Guigni
- Department of Medicine, College of Medicine, University of Vermont , Burlington, Vermont.,Department of Molecular Physiology and Biophysics, College of Medicine, University of Vermont , Burlington, Vermont
| | - Damien M Callahan
- Department of Medicine, College of Medicine, University of Vermont , Burlington, Vermont
| | - Timothy W Tourville
- Department of Orthopedics and Rehabilitation, College of Medicine, University of Vermont , Burlington, Vermont.,Department of Rehabilitation and Movement Science, College of Nursing and Health Sciences, University of Vermont , Burlington, Vermont
| | - Mark S Miller
- Department of Kinesiology, University of Massachusetts Amherst , Amherst, Massachusetts
| | - Brad Fiske
- Department of Medicine, College of Medicine, University of Vermont , Burlington, Vermont
| | - Thomas Voigt
- Department of Medicine, College of Medicine, University of Vermont , Burlington, Vermont
| | - Bethany Korwin-Mihavics
- Department of Pathology and Laboratory Medicine, College of Medicine, University of Vermont , Burlington, Vermont
| | - Vikas Anathy
- Department of Pathology and Laboratory Medicine, College of Medicine, University of Vermont , Burlington, Vermont
| | - Kim Dittus
- Department of Medicine, College of Medicine, University of Vermont , Burlington, Vermont
| | - Michael J Toth
- Department of Medicine, College of Medicine, University of Vermont , Burlington, Vermont.,Department of Molecular Physiology and Biophysics, College of Medicine, University of Vermont , Burlington, Vermont.,Department of Orthopedics and Rehabilitation, College of Medicine, University of Vermont , Burlington, Vermont
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Kirkham AA, Paterson DI, Prado CM, Mackey JR, Courneya KS, Pituskin E, Thompson RB. Rationale and design of the Caloric Restriction and Exercise protection from Anthracycline Toxic Effects (CREATE) study: a 3-arm parallel group phase II randomized controlled trial in early breast cancer. BMC Cancer 2018; 18:864. [PMID: 30176834 PMCID: PMC6122558 DOI: 10.1186/s12885-018-4778-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Accepted: 08/23/2018] [Indexed: 02/08/2023] Open
Abstract
Background Anthracycline chemotherapy agents are commonly used to treat breast cancer, but also result in cardiac injury, and potentially detrimental effects to vascular and skeletal muscle. Preclinical evidence demonstrates that exercise and caloric restriction can independently reduce anthracycline-related injury to the heart as well as cancer progression, and may be promising short-term strategies prior to treatment administration. For women with breast cancer, a short-term strategy may be more feasible and appealing, as maintaining regular exercise training or a diet throughout chemotherapy can be challenging due to treatment symptoms and psychosocial distress. Methods The Caloric Restriction and Exercise protection from Anthracycline Toxic Effects (CREATE) study will determine whether acute application of these interventions shortly prior to receipt of each treatment can reduce anthracycline-related toxicity to the heart, aorta, and skeletal muscle. Fifty-six women with early stage breast cancer scheduled to receive anthracycline treatment will be randomly assigned to one of three groups who will: 1) perform a single, 30-min, vigorous-intensity, aerobic exercise session 24 h prior to each anthracycline treatment; 2) consume a prepared diet reduced to 50% of caloric needs for 48 h prior to each anthracycline treatment; or 3) receive usual cancer care. The primary outcome is magnetic resonance imaging (MRI) derived left ventricular ejection fraction reserve (peak exercise LVEF – resting LVEF) at the end of anthracycline treatment. Secondary outcomes include MRI-derived measures of cardiac, aortic and skeletal muscle structure and function, circulating NT-proBNP, cardiorespiratory fitness and treatment symptoms. Exploratory outcomes include quality of life, fatigue, tumor size (only in neoadjuvant patients), oxidative stress and antioxidants, as well as clinical cardiac or cancer outcomes. MRI, exercise tests, and questionnaires will be administered before, 2–3 weeks after the last anthracycline treatment, and one-year follow-up. Discussion The proposed lifestyle interventions are accessible, low cost, drug-free potential methods for mitigating anthracycline-related toxicity. Reduced toxic effects on the heart, aorta and muscle are very likely to translate to short and long-term cardiovascular health benefits, including enhanced resilience to the effects of subsequent cancer treatment (e.g., radiation, trastuzumab) aging, and infection. Trial registration ClinicalTrials.gov NCT03131024; 4/21/18.
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Affiliation(s)
- Amy A Kirkham
- Department of Biomedical Engineering, University of Alberta, 1098 Research Transition Facility, 8308-114 Street, Edmonton, AB, T6G 2V2, Canada.
| | - D Ian Paterson
- Department of Medicine, Division of Cardiology, University of Alberta, Edmonton, Canada
| | - Carla M Prado
- Department of Agricultural, Food & Nutrition Science, University of Alberta, Edmonton, Canada
| | | | - Kerry S Courneya
- Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, Canada
| | - Edith Pituskin
- Faculty of Nursing, University of Alberta, Edmonton, Canada
| | - Richard B Thompson
- Department of Biomedical Engineering, University of Alberta, 1098 Research Transition Facility, 8308-114 Street, Edmonton, AB, T6G 2V2, Canada
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de Lima EA, de Sousa LGO, de S Teixeira AA, Marshall AG, Zanchi NE, Neto JCR. Aerobic exercise, but not metformin, prevents reduction of muscular performance by AMPk activation in mice on doxorubicin chemotherapy. J Cell Physiol 2018; 233:9652-9662. [PMID: 29953589 DOI: 10.1002/jcp.26880] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 05/23/2018] [Indexed: 01/20/2023]
Abstract
Doxorubicin (DOX) is a chemotherapy agent widely used in clinical practice, and it is very efficient in tumor suppression, but the use of DOX is limited by a strong association with the development of severe muscle atrophy and cardiotoxicity effects. Reversion or neutralization of the muscular atrophy can lead to a better prognosis. Recent studies have proposed that the negative effect of DOX on skeletal muscle is linked to its inhibition of AMP-activated protein kinase (AMPk), a key mediator of cellular metabolism. On the basis of this, our goal was to evaluate if aerobic exercise or metformin treatment, activators of AMPk, would be able to attenuate the deleterious effects on skeletal muscle induced by the DOX treatment. C57BL6 mice received either saline (control) or DOX (2.5 mg/kg body weight) intraperitoneally, twice a week. The animals on DOX were further divided into groups that received adjuvant treatment in the form of moderate aerobic physical exercise (DOX+T) or metformin gavage (300 mg/body weight/day). Body weight, metabolism, distance run, muscle fiber cross-sectional area (CSA), and protein synthesis and degradation were assessed. We demonstrated that aerobic training, but not metformin, associated with DOX increased the maximal aerobic capacity without changing muscle mass or fiber CSA, rescuing the muscle fatigue observed with DOX treatment alone. This improvement was associated with AMPk activation, thus surpassing the negative effects of DOX on muscle performance and bioenergetics. In conclusion, aerobic exercise increases AMPk activation and improved the skeletal muscle function, reducing the side effects of DOX.
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Affiliation(s)
- Edson A de Lima
- Immunometabolism Research Group, Department of Cell and Developmental Biology, University of São Paulo, Butantã, São Paulo, Brazil
| | - Luís G O de Sousa
- Department of Internal Medicine, Division of Endocrinology and Metabolism, University of Iowa, Iowa City, IA
| | - Alexandre Abilio de S Teixeira
- Immunometabolism Research Group, Department of Cell and Developmental Biology, University of São Paulo, Butantã, São Paulo, Brazil
| | - Andrea G Marshall
- Department of Internal Medicine, Division of Endocrinology and Metabolism, University of Iowa, Iowa City, IA
| | - Nelo E Zanchi
- Laboratory of Cellular and Molecular Biology of Skeletal Muscle (LABCEMME), Department of Physical Education, Federal University of Maranhão (UFMA), São Luís, Maranhão, Brazil
| | - José C Rosa Neto
- Immunometabolism Research Group, Department of Cell and Developmental Biology, University of São Paulo, Butantã, São Paulo, Brazil
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Mijwel S, Cardinale DA, Norrbom J, Chapman M, Ivarsson N, Wengström Y, Sundberg CJ, Rundqvist H. Exercise training during chemotherapy preserves skeletal muscle fiber area, capillarization, and mitochondrial content in patients with breast cancer. FASEB J 2018; 32:5495-5505. [PMID: 29750574 DOI: 10.1096/fj.201700968r] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Exercise has been suggested to ameliorate the detrimental effects of chemotherapy on skeletal muscle. The aim of this study was to compare the effects of different exercise regimens with usual care on skeletal muscle morphology and mitochondrial markers in patients being treated with chemotherapy for breast cancer. Specifically, we compared moderate-intensity aerobic training combined with high-intensity interval training (AT-HIIT) and resistance training combined with high-intensity interval training (RT-HIIT) with usual care (UC). Resting skeletal muscle biopsies were obtained pre- and postintervention from 23 randomly selected women from the OptiTrain breast cancer trial who underwent RT-HIIT, AT-HIIT, or UC for 16 wk. Over the intervention, citrate synthase activity, muscle fiber cross-sectional area, capillaries per fiber, and myosin heavy chain isoform type I were reduced in UC, whereas RT-HIIT and AT-HIIT were able to counteract these declines. AT-HIIT promoted up-regulation of the electron transport chain protein levels vs. UC. RT-HIIT favored satellite cell count vs. UC and AT-HIIT. There was a significant association between change in citrate synthase activity and self-reported fatigue. AT-HIIT and RT-HIIT maintained or improved markers of skeletal muscle function compared with the declines found in the UC group, indicating a sustained trainability in addition to the preservation of skeletal muscle structural and metabolic characteristics during chemotherapy. These findings highlight the importance of supervised exercise programs for patients with breast cancer during chemotherapy.-Mijwel, S., Cardinale, D. A., Norrbom, J., Chapman, M., Ivarsson, N., Wengström, Y., Sundberg, C. J., Rundqvist, H. Exercise training during chemotherapy preserves skeletal muscle fiber area, capillarization, and mitochondrial content in patients with breast cancer.
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Affiliation(s)
- Sara Mijwel
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden.,Department of Neurobiology, Care Sciences, and Society, Karolinska Institutet, Stockholm, Sweden
| | - Daniele A Cardinale
- Åstrand Laboratory, The Swedish School of Sport and Health Sciences, Stockholm, Sweden
| | - Jessica Norrbom
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Mark Chapman
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Niklas Ivarsson
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Yvonne Wengström
- Department of Neurobiology, Care Sciences, and Society, Karolinska Institutet, Stockholm, Sweden.,Cancer Theme, Karolinska University Hospital, Stockholm, Sweden
| | - Carl Johan Sundberg
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden.,Department of Learning, Informatics, Management, and Ethics, Karolinska Institutet, Stockholm, Sweden; and
| | - Helene Rundqvist
- Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
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Chaillou T, McPeek A, Lanner JT. Docetaxel does not impair skeletal muscle force production in a murine model of cancer chemotherapy. Physiol Rep 2018; 5:5/11/e13261. [PMID: 28583990 PMCID: PMC5471428 DOI: 10.14814/phy2.13261] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 03/23/2017] [Accepted: 03/27/2017] [Indexed: 01/07/2023] Open
Abstract
Chemotherapy drugs such as docetaxel are commonly used to treat cancer. Cancer patients treated with chemotherapy experience decreased physical fitness, muscle weakness and fatigue. To date, it is unclear whether these symptoms result only from cancer‐derived factors or from the combination of cancer disease and cancer treatments, such as chemotherapy. In this study, we aimed at determining the impact of chemotherapy per se on force production of hind limb muscles from healthy mice treated with docetaxel. We hypothesized that docetaxel will decrease maximal force, exacerbate the force decline during repeated contractions and impair recovery after fatiguing stimulations. We examined the function of soleus and extensor digitorum longus (EDL) muscles 24 h and 72 h after a single injection of docetaxel (acute treatment), and 7 days after the third weekly injection of docetaxel (repeated treatment). Docetaxel was administrated by intravenous injection (20 mg/kg) in female FVB/NRj mice and control mice were injected with saline solution. Our results show that neither acute nor repeated docetaxel treatment significantly alters force production during maximal contractions, repeated contractions or recovery. Only a tendency to decreased peak specific force was observed in soleus muscles 24 h after a single injection of docetaxel (−17%, P = 0.13). In conclusion, docetaxel administered intravenously does not impair force production in hind limb muscles from healthy mice. It remains to be clarified whether docetaxel, or other chemotherapy drugs, affect muscle function in subjects with cancer and whether the side effects associated with chemotherapy (neurotoxicity, central fatigue, decreased physical activity, etc.) are responsible for the experienced muscle weakness and fatigue.
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Affiliation(s)
- Thomas Chaillou
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden.,School of Health Sciences, Örebro University, Örebro, Sweden
| | - Ashley McPeek
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Johanna T Lanner
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
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Chemotherapeutic Drugs and Mitochondrial Dysfunction: Focus on Doxorubicin, Trastuzumab, and Sunitinib. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:7582730. [PMID: 29743983 PMCID: PMC5878876 DOI: 10.1155/2018/7582730] [Citation(s) in RCA: 199] [Impact Index Per Article: 33.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 01/23/2018] [Accepted: 02/06/2018] [Indexed: 02/07/2023]
Abstract
Many cancer therapies produce toxic side effects whose molecular mechanisms await full elucidation. The most feared and studied side effect of chemotherapeutic drugs is cardiotoxicity. Also, skeletal muscle physiology impairment has been recorded after many chemotherapeutical treatments. However, only doxorubicin has been extensively studied for its side effects on skeletal muscle. Chemotherapeutic-induced adverse side effects are, in many cases, mediated by mitochondrial damage. In particular, trastuzumab and sunitinib toxicity is mainly associated with mitochondria impairment and is mostly reversible. Vice versa, doxorubicin-induced toxicity not only includes mitochondria damage but can also lead to a more robust and extensive cell injury which is often irreversible and lethal. Drugs interfering with mitochondrial functionality determine the depletion of ATP reservoirs and lead to subsequent reversible contractile dysfunction. Mitochondrial damage includes the impairment of the respiratory chain and the loss of mitochondrial membrane potential with subsequent disruption of cellular energetic. In a context of increased stress, AMPK has a key role in maintaining energy homeostasis, and inhibition of the AMPK pathway is one of the proposed mechanisms possibly mediating mitochondrial toxicity due to chemotherapeutics. Therapies targeting and protecting cell metabolism and energy management might be useful tools in protecting muscular tissues against the toxicity induced by chemotherapeutic drugs.
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Dickinson JM, D'Lugos AC, Mahmood TN, Ormsby JC, Salvo L, Dedmon WL, Patel SH, Katsma MS, Mookadam F, Gonzales RJ, Hale TM, Carroll CC, Angadi SS. Exercise Protects Skeletal Muscle during Chronic Doxorubicin Administration. Med Sci Sports Exerc 2018; 49:2394-2403. [PMID: 28767526 DOI: 10.1249/mss.0000000000001395] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
PURPOSE This study aimed to assess the ability for exercise training performed before and during biweekly doxorubicin (DOX) administration to attenuate adverse effects of DOX on skeletal muscle. We hypothesized that DOX treatment would increase REDD1, impair mammalian target of rapamycin (mTOR) signaling, and reduce muscle fiber size, and that exercise training would attenuate these responses. METHODS Eight-week-old ovariectomized female Sprague-Dawley rats were randomized to one of four treatments: exercise + DOX (Ex-Dox), Ex + vehicle (Ex-Veh), sedentary + DOX (Sed-Dox), and Sed + Veh (Sed-Veh). DOX (4 mg·kg) or vehicle (saline) intraperitoneal injections were performed biweekly for a total of three injections (cumulative dose, 12 mg·kg). Ex animals performed interval exercise (4 × 4 min, 85%-90% V˙O2peak) 5 d·wk starting 1 wk before the first injection and continued throughout study duration. Animals were euthanized ~5 d after the last injection, during which the soleus muscle was dissected and prepared for immunoblot and immunohistochemical analyses. RESULTS REDD1 mRNA and protein were increased only in Sed-Dox (P < 0.05). The phosphorylation of mTOR and 4E-BP1 and MHC I and MHC IIa fiber size were lower in Sed-Dox versus Sed-Veh (P < 0.05). By contrast, REDD1 mRNA and protein, mTOR, 4E-BP1, and MHC I fiber size were not different between Ex-Dox and Ex-Veh (P > 0.05). LC3BI was higher, and the LC3BII/I ratio was lower in Sed-Dox versus Sed-Veh (P < 0.05) but not between Ex-Dox and Ex-Veh (P > 0.05). CONCLUSION These data suggest that DOX may inhibit mTORC1 activity and reduce MHCI and MHCIIa fiber size, potentially through elevated REDD1, and that exercise may provide a therapeutic strategy to preserve skeletal muscle size during chronic DOX treatment.
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Affiliation(s)
- Jared M Dickinson
- 1School of Nutrition and Health Promotion, Healthy Lifestyles Research Center, Exercise Science and Health Promotion, Arizona State University, Phoenix, AZ; 2Department of Physiology, Arizona College of Osteopathic Medicine, Midwestern University, Glendale, AZ; 3Division of Cardiovascular Diseases, Mayo Clinic Hospital, Phoenix, AZ; 4Department of Basic Medical Sciences, College of Medicine-Phoenix, University of Arizona, Phoenix, AZ; and 5Department of Health and Kinesiology, Purdue University, West Lafayette, IN
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Chemotherapeutic agents induce mitochondrial superoxide production and toxicity but do not alter respiration in skeletal muscle in vitro. Mitochondrion 2017; 42:33-49. [PMID: 29079447 DOI: 10.1016/j.mito.2017.10.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 09/21/2017] [Accepted: 10/23/2017] [Indexed: 12/31/2022]
Abstract
Chemotherapeutic agents (CAs) can independently promote skeletal muscle dysfunction, fatigue and wasting with mitochondrial toxicity implicated as a possible mechanism. Thus, we aimed to characterise the effects of various CAs on mitochondrial function, viability and oxidant production in C2C12 myoblasts and myotubes. All CAs significantly reduced the viable mitochondrial pool but did not affect mitochondrial functional parameters. Doxorubicin and oxaliplatin increased oxidant production in myotubes while all CAs, except for irinotecan, increased oxidant production in myoblasts and reduced myotube diameter. Our data demonstrate CAs mito-toxic effects, highlighting the potential for mitochondria-protective therapeutics to address chemotherapy-induced skeletal muscle damage.
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Acute treatment with doxorubicin affects glutamate neurotransmission in the mouse frontal cortex and hippocampus. Brain Res 2017; 1672:10-17. [PMID: 28705715 DOI: 10.1016/j.brainres.2017.07.003] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 06/08/2017] [Accepted: 07/04/2017] [Indexed: 11/21/2022]
Abstract
Doxorubicin (DOX) is a potent chemotherapeutic agent known to cause acute and long-term cognitive impairments in cancer patients. Cognitive function is presumed to be primarily mediated by neuronal circuitry in the frontal cortex (FC) and hippocampus, where glutamate is the primary excitatory neurotransmitter. Mice treated with DOX (25mg/kg i.p.) were subjected to in vivo recordings under urethane anesthesia at 24h post-DOX injection or 5 consecutive days of cognitive testing (Morris Water Maze; MWM). Using novel glutamate-selective microelectrode arrays, amperometric recordings measured parameters of extracellular glutamate clearance and potassium-evoked release of glutamate within the medial FC and dentate gyrus (DG) of the hippocampus. By 24h post-DOX injection, glutamate uptake was 45% slower in the FC in comparison to saline-treated mice. In the DG, glutamate took 48% longer to clear than saline-treated mice. Glutamate overflow in the FC was similar between treatment groups, however, it was significantly increased in the DG of DOX treated mice. MWM data indicated that a single dose of DOX impaired swim speed without impacting total length traveled. These data indicate that systemic DOX treatment changes glutamate neurotransmission in key nuclei associated with cognitive function within 24h, without a lasting impact on spatial learning and memory. Understanding the functional effects of DOX on glutamate neurotransmission may help us understand and prevent some of the debilitating side effects of chemotherapeutic treatment in cancer survivors.
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42
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Cyclophosphamide leads to persistent deficits in physical performance and in vivo mitochondria function in a mouse model of chemotherapy late effects. PLoS One 2017; 12:e0181086. [PMID: 28700655 PMCID: PMC5507312 DOI: 10.1371/journal.pone.0181086] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 06/26/2017] [Indexed: 12/22/2022] Open
Abstract
Fatigue is the symptom most commonly reported by long-term cancer survivors and is increasingly recognized as related to skeletal muscle dysfunction. Traditional chemotherapeutic agents can cause acute toxicities including cardiac and skeletal myopathies. To investigate the mechanism by which chemotherapy may lead to persistent skeletal muscle dysfunction, mature adult mice were injected with a single cyclophosphamide dose and evaluated for 6 weeks. We found that exposed mice developed a persistent decrease in treadmill running time compared to baseline (25.7±10.6 vs. 49.0±16.8 min, P = 0.0012). Further, 6 weeks after drug exposure, in vivo parameters of mitochondrial function remained below baseline including maximum ATP production (482.1 ± 48.6 vs. 696.2 ± 76.6, P = 0.029) and phosphocreatine to ATP ratio (3.243 ± 0.1 vs. 3.878 ± 0.1, P = 0.004). Immunoblotting of homogenized muscles from treated animals demonstrated a transient increase in HNE adducts 1 week after exposure that resolved by 6 weeks. However, there was no evidence of an oxidative stress response as measured by quantitation of SOD1, SOD2, and catalase protein levels. Examination of mtDNA demonstrated that the mutation frequency remained comparable between control and treated groups. Interestingly, there was evidence of a transient increase in NF-ĸB p65 protein 1 day after drug exposure as compared to saline controls (0.091±0.017 vs. 0.053±0.022, P = 0.033). These data suggest that continued impairment in muscle and mitochondria function in cyclophosphamide-treated animals is not linked to persistent oxidative stress and that alternative mechanisms need to be considered.
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Sorensen JC, Petersen AC, Timpani CA, Campelj DG, Cook J, Trewin AJ, Stojanovska V, Stewart M, Hayes A, Rybalka E. BGP-15 Protects against Oxaliplatin-Induced Skeletal Myopathy and Mitochondrial Reactive Oxygen Species Production in Mice. Front Pharmacol 2017; 8:137. [PMID: 28443020 PMCID: PMC5385327 DOI: 10.3389/fphar.2017.00137] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Accepted: 03/06/2017] [Indexed: 12/22/2022] Open
Abstract
Chemotherapy is a leading intervention against cancer. Albeit highly effective, chemotherapy has a multitude of deleterious side-effects including skeletal muscle wasting and fatigue, which considerably reduces patient quality of life and survivability. As such, a defense against chemotherapy-induced skeletal muscle dysfunction is required. Here we investigate the effects of oxaliplatin (OXA) treatment in mice on the skeletal muscle and mitochondria, and the capacity for the Poly ADP-ribose polymerase (PARP) inhibitor, BGP-15, to ameliorate any pathological side-effects induced by OXA. To do so, we investigated the effects of 2 weeks of OXA (3 mg/kg) treatment with and without BGP-15 (15 mg/kg). OXA induced a 15% (p < 0.05) reduction in lean tissue mass without significant changes in food consumption or energy expenditure. OXA treatment also altered the muscle architecture, increasing collagen deposition, neutral lipid and Ca2+ accumulation; all of which were ameliorated with BGP-15 adjunct therapy. Here, we are the first to show that OXA penetrates the mitochondria, and, as a possible consequence of this, increases mtROS production. These data correspond with reduced diameter of isolated FDB fibers and shift in the fiber size distribution frequency of TA to the left. There was a tendency for reduction in intramuscular protein content, albeit apparently not via Murf1 (atrophy)- or p62 (autophagy)- dependent pathways. BGP-15 adjunct therapy protected against increased ROS production and improved mitochondrial viability 4-fold and preserved fiber diameter and number. Our study highlights BGP-15 as a potential adjunct therapy to address chemotherapy-induced skeletal muscle and mitochondrial pathology.
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Affiliation(s)
- James C Sorensen
- Centre for Chronic Disease, College of Health & Biomedicine, Victoria UniversityMelbourne, VIC, Australia.,Australian Institute for Musculoskeletal ScienceMelbourne, VIC, Australia
| | - Aaron C Petersen
- Institute of Sport, Exercise & Active Living, Victoria UniversityMelbourne, VIC, Australia
| | - Cara A Timpani
- Centre for Chronic Disease, College of Health & Biomedicine, Victoria UniversityMelbourne, VIC, Australia.,Australian Institute for Musculoskeletal ScienceMelbourne, VIC, Australia
| | - Dean G Campelj
- Centre for Chronic Disease, College of Health & Biomedicine, Victoria UniversityMelbourne, VIC, Australia.,Australian Institute for Musculoskeletal ScienceMelbourne, VIC, Australia
| | - Jordan Cook
- Centre for Chronic Disease, College of Health & Biomedicine, Victoria UniversityMelbourne, VIC, Australia
| | - Adam J Trewin
- Institute of Sport, Exercise & Active Living, Victoria UniversityMelbourne, VIC, Australia
| | - Vanesa Stojanovska
- Centre for Chronic Disease, College of Health & Biomedicine, Victoria UniversityMelbourne, VIC, Australia
| | - Mathew Stewart
- Institute of Sustainability and Innovation, Victoria UniversityMelbourne, VIC, Australia
| | - Alan Hayes
- Centre for Chronic Disease, College of Health & Biomedicine, Victoria UniversityMelbourne, VIC, Australia.,Australian Institute for Musculoskeletal ScienceMelbourne, VIC, Australia.,Institute of Sport, Exercise & Active Living, Victoria UniversityMelbourne, VIC, Australia
| | - Emma Rybalka
- Centre for Chronic Disease, College of Health & Biomedicine, Victoria UniversityMelbourne, VIC, Australia.,Australian Institute for Musculoskeletal ScienceMelbourne, VIC, Australia.,Institute of Sport, Exercise & Active Living, Victoria UniversityMelbourne, VIC, Australia
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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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Zanjani AP, Maghsoudloo M, Makarem J, Farokhnia F, Fazli M, Khan ZH. Chemotherapy alters cisatracurium induced neuromuscular blockade characteristics: A prospective cohort study. J Clin Anesth 2017; 36:84-87. [PMID: 28183581 DOI: 10.1016/j.jclinane.2016.10.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Revised: 09/20/2016] [Accepted: 10/27/2016] [Indexed: 11/15/2022]
Abstract
STUDY OBJECTIVE To compare the characteristics of NMDR induced muscle paralysis in breast cancer patients with and without a history of recent chemotherapy with cyclophosphamide, doxorubicin and 5-fluorouracil (CAF) regimen. DESIGN This is a non-randomized prospective cohort study. SETTING Operating room of a university-affiliated teaching hospital. PATIENTS Out of a total of 50 patients who had undergone mastectomy, 22 patients were allocated to the "Chemo group" and 28 patients to the "Non-Chemo group", based on a valid history of recent chemotherapy. INTERVENTION After induction of anesthesia with thiopental and cisatracurium, neuromuscular monitoring was started for all patients. MEASUREMENTS Initially the time to 100% single-twitch (ST) suppression was measured. Then, the time for the appearance of the first response to post-tetanic count (PTC) stimulation, Train-of-Four (TOF) stimulation, and TOF50% were measured consequently. MAIN RESULTS Time to get STzero was significantly longer in the Chemo group than in the Non-chemo group. Time for the appearance of the first response of PTC and TOF and TOF50% was significantly shorter in the Chemo group than the other group. The mean duration of intense block was 27.66 minutes in the Chemo group versus 42.47 minutes in the Non-chemo group. CONCLUSION This research demonstrated that in patients having undergone chemotherapy, the effect of NDMRs starts with a longer lag time and finishes earlier too. Thus, these patients are ready for intubation after a longer time. Moreover, we have to repeat cisatracurium injections after shorter intervals to maintain the desired level of blockade.
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Affiliation(s)
- Amir Poya Zanjani
- Tehran University of Medical Sciences, Assistant Professor, Dept. of Anesthesia and Intensive Care, Imam Khomeini Hospital Complex, Keshavarz Blvd., Tehran, 1419733141, Iran.
| | - Maziar Maghsoudloo
- Tehran University of Medical Sciences, Assistant Professor, Dept. of Anesthesia and Intensive Care, Imam Khomeini Hospital Complex, Keshavarz Blvd., Tehran, 1419733141, Iran.
| | - Jalil Makarem
- Tehran University of Medical Sciences, Assistant Professor, Dept. of Anesthesia and Intensive Care, Imam Khomeini Hospital Complex, Keshavarz Blvd., Tehran, 1419733141, Iran.
| | - Fahimeh Farokhnia
- Tehran University of Medical Sciences, Professor, Dept. of Anesthesia and Intensive Care, Imam Khomeini Hospital Complex, Keshavarz Blvd., Tehran, 1419733141, Iran.
| | - Morteza Fazli
- Tehran University of Medical Sciences, Dept. of Anesthesia and Intensive Care, Imam Khomeini Hospital Complex, Keshavarz Blvd., Tehran, 1419733141, Iran.
| | - Zahid Hussain Khan
- Tehran University of Medical Sciences, Professor, Dept. of Anesthesia and Intensive Care, Imam Khomeini Hospital Complex, Keshavarz Blvd., Tehran, 1419733141, Iran.
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de Lima Junior EA, Yamashita AS, Pimentel GD, De Sousa LGO, Santos RVT, Gonçalves CL, Streck EL, de Lira FS, Rosa Neto JC. Doxorubicin caused severe hyperglycaemia and insulin resistance, mediated by inhibition in AMPk signalling in skeletal muscle. J Cachexia Sarcopenia Muscle 2016; 7:615-625. [PMID: 27239415 PMCID: PMC4863825 DOI: 10.1002/jcsm.12104] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Revised: 12/01/2015] [Accepted: 01/11/2016] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Cancer is considered the second leading cause of death in the world, and for the treatment of this disease, pharmacological intervention strategies are frequently based on chemotherapy. Doxorubicin (DOX) is one of the most widely used chemotherapeutic agents in clinical practice for treating a number of solid tumours. The treatment with DOX mimics some effects of cancer cachexia, such as anorexia, asthenia, decreases in fat and skeletal muscle mass and fatigue. We observed that treatment with DOX increased the systemic insulin resistance and caused a massive increase in glucose levels in serum. Skeletal muscle is a major tissue responsible for glucose uptake, and the positive role of AMPk protein (AMP-activated protein kinase) in GLUT-4 (Glucose Transporter type 4) translocation, is well established. With this, our aim was to assess the insulin sensitivity after treatment with DOX and involvement of AMPk signalling in skeletal muscle in this process. METHODS We used Wistar rats which received a single dose of doxorubicin (DOX group) or saline (CT group) intraperitoneally at a dose of 15 mg/kg b.w. The expression of proteins involved in insulin sensitivity, glucose uptake, inflammation, and activity of electron transport chain was assessed in extensor digitorum longus muscle, as well as the histological evaluation. In vitro assays were performed in L6 myocytes to assess glucose uptake after treatment with DOX. Agonist of AMPk [5-aminoimidazole-4-carboxamide (AICAR)] and the antioxidant n-acetyl cysteine were used in L6 cells to evaluate its effect on glucose uptake and cell viability. RESULTS The animals showed a significant insulin resistance, hyperglycaemia, and hyperinsulinemia. A decrease in the expression of AMKP and GLUT-4 was observed in the extensor digitorum longus muscle. Also in L6 cells, DOX leads to a decrease in glucose uptake, which is reversed with AICAR. CONCLUSIONS DOX leads to conditions similar to cachexia, with severe glucose intolerance both in vivo and in vitro. The decrease of AMPk activity of the protein is modulated negatively with DOX, and treatment with agonist of AMPk (AICAR) has proved to be a possible therapeutic target, which is able to recover glucose sensitivity in skeletal muscle.
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Affiliation(s)
- Edson Alves de Lima Junior
- Departamento de Biologia Celular e do Desenvolvimento Instituto de Ciências Biomédicas I Avenida Lineu Prestes 1524, Cidade Universitária 05508-900 São Paulo SP Brazil
| | - Alex Shimura Yamashita
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biomédicas Universidade de São Paulo São Paulo SP Brazil
| | - Gustavo Duarte Pimentel
- Laboratório de Investigação em Nutrição Clínica e Esportiva(Labince), Faculdade de Nutrição (FANUT) Universidade Federal de Goiás (UFG) Goiânia Goiás Brasil
| | - Luís G O De Sousa
- Department of Neurobiology, Physiology and Behavior University of California Davis Davis CA 95616 USA
| | | | - Cinara Ludvig Gonçalves
- Laboratório de Fisiopatologia Experimental Universidade do Extremo Sul Catarinense, Av. Universitária, 1105 Criciúma 88806-000 SC Brazil
| | - Emilio Luiz Streck
- Laboratório de Fisiopatologia Experimental Universidade do Extremo Sul Catarinense, Av. Universitária, 1105 Criciúma 88806-000 SC Brazil
| | - Fábio Santos de Lira
- Exercise and Immunometabolism Research Group, Department of Physical Education Universidade Estadual Paulista, UNESP Rua Roberto Simonsen, 305 19060-900 Presidente Prudente São Paulo Brazil
| | - Jose Cesar Rosa Neto
- Departamento de Biologia Celular e do Desenvolvimento Instituto de Ciências Biomédicas I Avenida Lineu Prestes 1524, Cidade Universitária 05508-900 São Paulo SP Brazil
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47
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Nissinen TA, Degerman J, Räsänen M, Poikonen AR, Koskinen S, Mervaala E, Pasternack A, Ritvos O, Kivelä R, Hulmi JJ. Systemic blockade of ACVR2B ligands prevents chemotherapy-induced muscle wasting by restoring muscle protein synthesis without affecting oxidative capacity or atrogenes. Sci Rep 2016; 6:32695. [PMID: 27666826 PMCID: PMC5036092 DOI: 10.1038/srep32695] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 08/12/2016] [Indexed: 12/26/2022] Open
Abstract
Doxorubicin is a widely used and effective chemotherapy drug. However, cardiac and skeletal muscle toxicity of doxorubicin limits its use. Inhibiting myostatin/activin signalling can prevent muscle atrophy, but its effects in chemotherapy-induced muscle wasting are unknown. In the present study we investigated the effects of doxorubicin administration alone or combined with activin receptor ligand pathway blockade by soluble activin receptor IIB (sACVR2B-Fc). Doxorubicin administration decreased body mass, muscle size and bone mineral density/content in mice. However, these effects were prevented by sACVR2B-Fc administration. Unlike in many other wasting situations, doxorubicin induced muscle atrophy without markedly increasing typical atrogenes or protein degradation pathways. Instead, doxorubicin decreased muscle protein synthesis which was completely restored by sACVR2B-Fc. Doxorubicin administration also resulted in impaired running performance without effects on skeletal muscle mitochondrial capacity/function or capillary density. Running performance and mitochondrial function were unaltered by sACVR2B-Fc administration. Tumour experiment using Lewis lung carcinoma cells demonstrated that sACVR2B-Fc decreased the cachectic effects of chemotherapy without affecting tumour growth. These results demonstrate that blocking ACVR2B signalling may be a promising strategy to counteract chemotherapy-induced muscle wasting without damage to skeletal muscle oxidative capacity or cancer treatment.
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Affiliation(s)
- T A Nissinen
- Department of Biology of Physical Activity, Neuromuscular Research Center, University of Jyväskylä, Jyväskylä, Finland
| | - J Degerman
- Wihuri Research Institute and Translational Cancer Biology Program, University of Helsinki, Helsinki, Finland
| | - M Räsänen
- Wihuri Research Institute and Translational Cancer Biology Program, University of Helsinki, Helsinki, Finland
| | - A R Poikonen
- Department of Biology of Physical Activity, Neuromuscular Research Center, University of Jyväskylä, Jyväskylä, Finland
| | - S Koskinen
- LIKES Research Center for Sport and Health Sciences, Jyväskylä, Finland
| | - E Mervaala
- Department of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - A Pasternack
- Department of Bacteriology and Immunology, Haartman Institute, University of Helsinki, Helsinki, Finland
| | - O Ritvos
- Department of Bacteriology and Immunology, Haartman Institute, University of Helsinki, Helsinki, Finland.,Department of Physiology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - R Kivelä
- Wihuri Research Institute and Translational Cancer Biology Program, University of Helsinki, Helsinki, Finland
| | - J J Hulmi
- Department of Biology of Physical Activity, Neuromuscular Research Center, University of Jyväskylä, Jyväskylä, Finland.,Department of Physiology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
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48
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Gilliam LAA, Lark DS, Reese LR, Torres MJ, Ryan TE, Lin CT, Cathey BL, Neufer PD. Targeted overexpression of mitochondrial catalase protects against cancer chemotherapy-induced skeletal muscle dysfunction. Am J Physiol Endocrinol Metab 2016; 311:E293-301. [PMID: 27329802 PMCID: PMC5005971 DOI: 10.1152/ajpendo.00540.2015] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Accepted: 06/16/2016] [Indexed: 11/22/2022]
Abstract
The loss of strength in combination with constant fatigue is a burden on cancer patients undergoing chemotherapy. Doxorubicin, a standard chemotherapy drug used in the clinic, causes skeletal muscle dysfunction and increases mitochondrial H2O2 We hypothesized that the combined effect of cancer and chemotherapy in an immunocompetent breast cancer mouse model (E0771) would compromise skeletal muscle mitochondrial respiratory function, leading to an increase in H2O2-emitting potential and impaired muscle function. Here, we demonstrate that cancer chemotherapy decreases mitochondrial respiratory capacity supported with complex I (pyruvate/glutamate/malate) and complex II (succinate) substrates. Mitochondrial H2O2-emitting potential was altered in skeletal muscle, and global protein oxidation was elevated with cancer chemotherapy. Muscle contractile function was impaired following exposure to cancer chemotherapy. Genetically engineering the overexpression of catalase in mitochondria of muscle attenuated mitochondrial H2O2 emission and protein oxidation, preserving mitochondrial and whole muscle function despite cancer chemotherapy. These findings suggest mitochondrial oxidants as a mediator of cancer chemotherapy-induced skeletal muscle dysfunction.
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Affiliation(s)
- Laura A A Gilliam
- East Carolina Diabetes and Obesity Institute, Department of Physiology, and
| | - Daniel S Lark
- East Carolina Diabetes and Obesity Institute, Department of Kinesiology, East Carolina University, Greenville, North Carolina
| | - Lauren R Reese
- East Carolina Diabetes and Obesity Institute, Department of Physiology, and
| | - Maria J Torres
- East Carolina Diabetes and Obesity Institute, Department of Kinesiology, East Carolina University, Greenville, North Carolina
| | - Terence E Ryan
- East Carolina Diabetes and Obesity Institute, Department of Physiology, and
| | - Chien-Te Lin
- East Carolina Diabetes and Obesity Institute, Department of Physiology, and
| | - Brook L Cathey
- East Carolina Diabetes and Obesity Institute, Department of Physiology, and
| | - P Darrell Neufer
- East Carolina Diabetes and Obesity Institute, Department of Physiology, and Department of Kinesiology, East Carolina University, Greenville, North Carolina
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49
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Schroder E, Hodge B, Riley L, Zhang X, Esser K. Reply from Elizabeth Schroder, Brian Hodge, Lance Riley, Xiping Zhang and Karyn Esser. J Physiol 2016; 594:3163-4. [DOI: 10.1113/jp272165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Accepted: 01/29/2016] [Indexed: 11/08/2022] Open
Affiliation(s)
- Elizabeth Schroder
- Center for Muscle Biology and Department of Physiology; College of Medicine, University of Kentucky; Lexington KY USA
| | - Brian Hodge
- Center for Muscle Biology and Department of Physiology; College of Medicine, University of Kentucky; Lexington KY USA
| | - Lance Riley
- Center for Muscle Biology and Department of Physiology; College of Medicine, University of Kentucky; Lexington KY USA
| | - Xiping Zhang
- Center for Muscle Biology and Department of Physiology; College of Medicine, University of Kentucky; Lexington KY USA
| | - Karyn Esser
- Center for Muscle Biology and Department of Physiology; College of Medicine, University of Kentucky; Lexington KY USA
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50
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Oleaga C, Bernabini C, Smith AS, Srinivasan B, Jackson M, McLamb W, Platt V, Bridges R, Cai Y, Santhanam N, Berry B, Najjar S, Akanda N, Guo X, Martin C, Ekman G, Esch MB, Langer J, Ouedraogo G, Cotovio J, Breton L, Shuler ML, Hickman JJ. Multi-Organ toxicity demonstration in a functional human in vitro system composed of four organs. Sci Rep 2016; 6:20030. [PMID: 26837601 PMCID: PMC4738272 DOI: 10.1038/srep20030] [Citation(s) in RCA: 271] [Impact Index Per Article: 33.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Accepted: 12/18/2015] [Indexed: 12/26/2022] Open
Abstract
We report on a functional human model to evaluate multi-organ toxicity in a 4-organ system under continuous flow conditions in a serum-free defined medium utilizing a pumpless platform for 14 days. Computer simulations of the platform established flow rates and resultant shear stress within accepted ranges. Viability of the system was demonstrated for 14 days as well as functional activity of cardiac, muscle, neuronal and liver modules. The pharmacological relevance of the integrated modules were evaluated for their response at 7 days to 5 drugs with known side effects after a 48 hour drug treatment regime. The results of all drug treatments were in general agreement with published toxicity results from human and animal data. The presented phenotypic culture model exhibits a multi-organ toxicity response, representing the next generation of in vitro systems, and constitutes a step towards an in vitro "human-on-a-chip" assay for systemic toxicity screening.
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Affiliation(s)
- Carlota Oleaga
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Catia Bernabini
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Alec S.T. Smith
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Balaji Srinivasan
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Max Jackson
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - William McLamb
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Vivien Platt
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Richard Bridges
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Yunqing Cai
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Navaneetha Santhanam
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Bonnie Berry
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Sarah Najjar
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Nesar Akanda
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Xiufang Guo
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Candace Martin
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Gail Ekman
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
| | - Mandy B. Esch
- Department of Biomedical Engineering, Cornell University, 115 and 305 Weill Hall, Ithaca, NY 14853
| | - Jessica Langer
- L’Oreal Research and Innovation, Clark, NJ, 07666/ Aulnay sous Bois, France, 93600
| | | | - Jose Cotovio
- L’Oreal Research and Innovation, Aulnay sous Bois, France
| | - Lionel Breton
- L’Oreal Research and Innovation, Aulnay sous Bois, France
| | - Michael L. Shuler
- Department of Biomedical Engineering, Cornell University, 115 and 305 Weill Hall, Ithaca, NY 14853
| | - James J. Hickman
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway Suite 400, Orlando, FL 32828
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