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Liao Y, Meng Q. Protection against cancer therapy-induced cardiovascular injury by planed-derived polyphenols and nanomaterials. ENVIRONMENTAL RESEARCH 2023; 238:116896. [PMID: 37586453 DOI: 10.1016/j.envres.2023.116896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/18/2023] [Accepted: 08/13/2023] [Indexed: 08/18/2023]
Abstract
Cancer therapy-induced heart injury is a significant concern for cancer patients undergoing chemotherapy, radiotherapy, immunotherapy, and also targeted molecular therapy. The use of these treatments can lead to oxidative stress and cardiomyocyte damage in the heart, which can result in heart failure and other cardiac complications. Experimental studies have revealed that chemotherapy drugs such as doxorubicin and cyclophosphamide can cause severe side effects such as cardiac fibrosis, electrophysiological remodeling, chronic oxidative stress and inflammation, etc., which may increase risk of cardiac disorders and attacks for patients that underwent chemotherapy. Similar consequences may also be observed for patients that undergo radiotherapy for left breast or lung malignancies. Polyphenols, a group of natural compounds with antioxidant and anti-inflammatory properties, have shown the potential in protecting against cancer therapy-induced heart injury. These compounds have been found to reduce oxidative stress, necrosis and apoptosis in the heart, thereby preserving cardiac function. In recent years, nanoparticles loaded with polyphenols have also provided for the delivery of these compounds and increasing their efficacy in different organs. These nanoparticles can improve the bioavailability and efficacy of polyphenols while minimizing their toxicity. This review article summarizes the current understanding of the protective effects of polyphenols and nanoparticles loaded with polyphenols against cancer therapy-induced heart injury. The article discusses the mechanisms by which polyphenols protect the heart, including antioxidant and anti-inflammation abilities. The article also highlights the potential benefits of using nanoparticles for the delivery of polyphenols.
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Affiliation(s)
- Yunshu Liao
- Department of Cardiac Surgery, The First Hospital Affiliated to the Army Medical University, Chongqing, 400038, China
| | - Qinghua Meng
- Department of Cardiac Surgery, The First Hospital Affiliated to the Army Medical University, Chongqing, 400038, China.
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George SA, Kiss A, Trampel KA, Obaid SN, Tang L, Efimov IR, Efimova T. Anthracycline cardiotoxicity is exacerbated by global p38β genetic ablation in a sexually dimorphic manner but unaltered by cardiomyocyte-specific p38α loss. Am J Physiol Heart Circ Physiol 2023; 325:H983-H997. [PMID: 37624097 DOI: 10.1152/ajpheart.00458.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/21/2023] [Accepted: 08/22/2023] [Indexed: 08/26/2023]
Abstract
Severe cardiotoxic effects limit the efficacy of doxorubicin (DOX) as a chemotherapeutic agent. Activation of intracellular stress signaling networks, including p38 mitogen-activated protein kinase (MAPK), has been implicated in DOX-induced cardiotoxicity (DIC). However, the roles of the individual p38 isoforms in DIC remain incompletely elucidated. We recently reported that global p38δ deletion protected female but not male mice from DIC, whereas global p38γ deletion did not significantly modulate it. Here we studied the in vivo roles of p38α and p38β in acute DIC. Male and female mice with cardiomyocyte-specific deletion of p38α or global deletion of p38β and their wild-type counterparts were injected with DOX. Survival and health were tracked for 10 days postinjection. Cardiac function was assessed by echocardiography and electrocardiography and fibrosis by Picrosirius red staining. Expression and activation of signaling proteins and inflammatory markers were measured by Western blot, phosphorylation array, and chemokine/cytokine array. Global p38β deletion significantly aggravated DIC and worsened cardiac electrical and mechanical function deterioration in female mice. Mechanistically, DIC in p38β-null female mice correlated with increased autophagy, sustained hyperactivation of proapoptotic JNK signaling, as well as remodeling of a myocardial inflammatory environment. In contrast, cardiomyocyte-specific deletion of p38α improved survival of DOX30-treated male mice 5 days posttreatment but did not influence cardiac function in DOX-treated male or female mice. Our data highlight the sex- and isoform-specific roles of p38α and p38β MAPKs in DOX-induced cardiac injury and suggest a novel in vivo function of p38β in protecting female mice from DIC.NEW & NOTEWORTHY We show that p38α and p38β have distinct in vivo functions in a murine model of acute DIC. Specifically, although conditional cardiomyocyte-specific p38α deletion exhibited mild cardioprotective effects in male mice, p38β deletion exacerbated the DOX cardiotoxicity in female mice. Our findings caution against employing pyridinyl imidazole inhibitors that target both p38α and p38β isoforms as a cardioprotective strategy against DIC. Such an approach could have undesirable sex-dependent effects, including attenuating p38β-dependent cardioprotection in females.
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Affiliation(s)
- Sharon A George
- Department of Biomedical Engineering, Northwestern University, Chicago, Illinois, United States
- Department of Biomedical Engineering, George Washington University, Washington, District of Columbia, United States
| | - Alexi Kiss
- Department of Anatomy and Cell Biology, George Washington University, Washington, District of Columbia, United States
- George Washington Cancer Center, Washington, District of Columbia, United States
| | - Katy Anne Trampel
- Department of Biomedical Engineering, Northwestern University, Chicago, Illinois, United States
- Department of Biomedical Engineering, George Washington University, Washington, District of Columbia, United States
| | - Sofian N Obaid
- Department of Biomedical Engineering, George Washington University, Washington, District of Columbia, United States
| | - Lichao Tang
- Department of Biomedical Engineering, Northwestern University, Chicago, Illinois, United States
| | - Igor R Efimov
- Department of Biomedical Engineering, Northwestern University, Chicago, Illinois, United States
- Department of Biomedical Engineering, George Washington University, Washington, District of Columbia, United States
- George Washington Cancer Center, Washington, District of Columbia, United States
| | - Tatiana Efimova
- Department of Biomedical Engineering, Northwestern University, Chicago, Illinois, United States
- Department of Anatomy and Cell Biology, George Washington University, Washington, District of Columbia, United States
- George Washington Cancer Center, Washington, District of Columbia, United States
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Chen L, Qin Z, Ruan ZB. Hyperoside alleviates doxorubicin-induced myocardial cells apoptosis by inhibiting the apoptosis signal-regulating kinase 1/p38 pathway. PeerJ 2023; 11:e15315. [PMID: 37220525 PMCID: PMC10200097 DOI: 10.7717/peerj.15315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 04/06/2023] [Indexed: 05/25/2023] Open
Abstract
Background Cardiotoxicity is a side effect of the anthracycline broad-spectrum anti-tumor agent, doxorubicin (DOX). Hyperoside, a flavonoid glycoside extracted from many herbs, has anti-apoptotic and anticancer properties. However, its impact on the alleviation of DOX-induced apoptosis in cardiomyocytes remains elusive. Methods The HL-1 cell line was treated with 100 µ M hyperoside for 1 h prior to treatment with 100 µ M hyperoside and 1 µ M DOX for 24 h. The cell counting kit-8 (CCK-8) assay was used to detect cell viability; DCFH-DA fluorescent probe was used to detect (reactive oxygen species) ROS; biochemical methods were used to detect the activity of glutathione (GSH), catalase (CAT), superoxide dismutase (SOD), malondialdehyde (MDA); the degree of apoptosis following DOX insult was assessed using immunofluorescence staining and terminal deoxynucleotidyl transferase mediated deoxy uridine triphosphate nick end labeling (TUNEL) assay; the change in protein expression of apoptosis signal-regulating kinase 1 (ASK1), p38, and apoptosis markers was determined using western blot. Results Hyperoside ameliorated DOX-induced oxidative stress in HL-1 cells, up-regulated GSH, SOD and CAT activity, reduced ROS production and inhibited MDA overproduction. Moreover, in addition to promoting HL-1 cell apoptosis, DOX administration also increased B-cell lymphoma (Bcl)-2-associated X-protein and cleaved caspase-3 protein levels and decreased Bcl-2 protein level. Hyperoside therapy, however, significantly reversed the impact of DOX on the cardiomyocytes. Mechanically, DOX treatment increased the phosphorylation of the ASK1/p38 axis whereas hyperoside treatment attenuated those changes. In a further step, hyperoside synergizes with DOX to kill MDA-MB-231 cells. Conclusions Hyperoside protects HL-1 cells from DOX-induced cardiotoxicity by inhibiting the ASK1/p38 signaling pathway. Meanwhile, hyperoside maintained the cytotoxicity of DOX in MDA-MB-231 cells.
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Affiliation(s)
- Lingxia Chen
- Department of Cardiology, Nanjing University of Chinese Medicine, Nanjing, China
- Department of Cardiology, The Affiliated Taizhou People’s Hospital of Nanjing Medical University, Taizhou School of Clinical Medicine, Nanjing Medical University, Taizhou, China
| | - Zhi Qin
- Department of Cardiology, Nanjing University of Chinese Medicine, Nanjing, China
- Department of Cardiology, The Affiliated Taizhou People’s Hospital of Nanjing Medical University, Taizhou School of Clinical Medicine, Nanjing Medical University, Taizhou, China
| | - Zhong-bao Ruan
- Department of Cardiology, The Affiliated Taizhou People’s Hospital of Nanjing Medical University, Taizhou School of Clinical Medicine, Nanjing Medical University, Taizhou, China
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Therapeutic Targets for DOX-Induced Cardiomyopathy: Role of Apoptosis vs. Ferroptosis. Int J Mol Sci 2022; 23:ijms23031414. [PMID: 35163335 PMCID: PMC8835899 DOI: 10.3390/ijms23031414] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/20/2022] [Accepted: 01/24/2022] [Indexed: 01/04/2023] Open
Abstract
Doxorubicin (DOX) is the most widely used anthracycline anticancer agent; however, its cardiotoxicity limits its clinical efficacy. Numerous studies have elucidated the mechanisms underlying DOX-induced cardiotoxicity, wherein apoptosis has been reported as the most common final step leading to cardiomyocyte death. However, in the past two years, the involvement of ferroptosis, a novel programmed cell death, has been proposed. The purpose of this review is to summarize the historical background that led to each form of cell death, focusing on DOX-induced cardiotoxicity and the molecular mechanisms that trigger each form of cell death. Furthermore, based on this understanding, possible therapeutic strategies to prevent DOX cardiotoxicity are outlined. DNA damage, oxidative stress, intracellular signaling, transcription factors, epigenetic regulators, autophagy, and metabolic inflammation are important factors in the molecular mechanisms of DOX-induced cardiomyocyte apoptosis. Conversely, the accumulation of lipid peroxides, iron ion accumulation, and decreased expression of glutathione and glutathione peroxidase 4 are important in ferroptosis. In both cascades, the mitochondria are an important site of DOX cardiotoxicity. The last part of this review focuses on the significance of the disruption of mitochondrial homeostasis in DOX cardiotoxicity.
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Warhol A, George SA, Obaid SN, Efimova T, Efimov IR. Differential cardiotoxic electrocardiographic response to doxorubicin treatment in conscious versus anesthetized mice. Physiol Rep 2021; 9:e14987. [PMID: 34337891 PMCID: PMC8327163 DOI: 10.14814/phy2.14987] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 07/11/2021] [Indexed: 01/04/2023] Open
Abstract
INTRODUCTION Doxorubicin (DOX), an anticancer drug used in chemotherapy, causes significant cardiotoxicity. This study aimed to investigate the effects of DOX on mouse cardiac electrophysiology, in conscious versus anesthetized state. METHODS Male and female C57BL/6 mice were injected with saline, 20 or 30 mg/kg DOX. ECGs were recorded 5 days post-injection in conscious and isoflurane anesthetized states. ECGs were analyzed using a custom MATLAB software to determine P, PR, QRS, QTc, and RR intervals as well as heart rate variability (HRV). RESULTS ECGs from the same mouse demonstrated P wave and QTc shortening as well as PR and RR interval prolongation in anesthetized versus conscious saline-treated mice. ECG response to DOX was also modulated by anesthesia. DOX treatment induced significant ECG modulation in female mice alone. While DOX20 treatment caused decrease in P and QRS durations, DOX30 treatment-induced QTc and RR interval prolongation in anesthetized but not in conscious female mice. These data suggest significant sex differences and anesthesia-induced differences in ECG response to DOX. HRV measured in time and frequency domains, a metric of arrhythmia susceptibility, was increased in DOX20-treated mice compared to saline. CONCLUSIONS This study for the first time identifies that the ECG response to DOX is modulated by anesthesia. Furthermore, this response demonstrated stark sex differences. These findings could have significant implications in clinical diagnosis of DOX cardiotoxicity.
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Affiliation(s)
- Anna Warhol
- Department of Biomedical EngineeringThe George Washington UniversityWashingtonDCUSA
| | - Sharon A. George
- Department of Biomedical EngineeringThe George Washington UniversityWashingtonDCUSA
| | - Sofian N. Obaid
- Department of Biomedical EngineeringThe George Washington UniversityWashingtonDCUSA
| | - Tatiana Efimova
- Department of Anatomy and Cell BiologyThe George Washington University School of Medicine and Health SciencesWashingtonDCUSA
- The GW Cancer CenterThe George Washington University School of Medicine and Health SciencesWashingtonDCUSA
| | - Igor R. Efimov
- Department of Biomedical EngineeringThe George Washington UniversityWashingtonDCUSA
- The GW Cancer CenterThe George Washington University School of Medicine and Health SciencesWashingtonDCUSA
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Tatsunami R, Murao Y, Sato K. [Protective Effect of Epalrestat against Oxidative Stress-induced Cytotoxicity]. YAKUGAKU ZASSHI 2020; 140:1381-1388. [PMID: 33132274 DOI: 10.1248/yakushi.20-00167] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Epalrestat (EPS), approved in Japan, is currently the only aldose reductase inhibitor that is available for the treatment of diabetic neuropathy. Recently, we found that EPS at near-plasma concentration increases the intracellular levels of glutathione (GSH) in rat Schwann cells. GSH, the most abundant non-protein thiol antioxidant in cells, is important for protection against oxidative stress. Oxidative stress is associated with the development and progression of many pathological conditions, such as atherosclerosis, diabetes, and neurodegeneration. In this study, we tested the hypothesis that EPS enhances resistance to oxidative stress, by using rat Schwann cells. To determine whether EPS protects Schwann cells from oxidative stress, we performed experiments by using radical generators, drugs, and heavy metals as the source of oxidative stress. EPS reduced the cytotoxicity induced by 2,2-azobis-[2-(2-imidazolin-2-yl) propane] dihydrochloride, 6-hydroxydopamine, cisplatin, palmitate, cadmium chloride, and manganese (II) sulfate, indicating that EPS plays a role in protecting cells from oxidative stress. We suggest that EPS has the potential to prevent the development and progression of disorders caused by oxidative stress.
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Affiliation(s)
- Ryosuke Tatsunami
- Department of Public Health, Faculty of Pharmaceutical Sciences, Hokkaido University of Science
| | - Yu Murao
- Department of Public Health, Faculty of Pharmaceutical Sciences, Hokkaido University of Science
| | - Keisuke Sato
- Department of Public Health, Faculty of Pharmaceutical Sciences, Hokkaido University of Science
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George SA, Kiss A, Obaid SN, Venegas A, Talapatra T, Wei C, Efimova T, Efimov IR. p38δ genetic ablation protects female mice from anthracycline cardiotoxicity. Am J Physiol Heart Circ Physiol 2020; 319:H775-H786. [PMID: 32822209 PMCID: PMC11018268 DOI: 10.1152/ajpheart.00415.2020] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The efficacy of an anthracycline antibiotic doxorubicin (DOX) as a chemotherapeutic agent is limited by dose-dependent cardiotoxicity. DOX is associated with activation of intracellular stress signaling pathways including p38 MAPKs. While previous studies have implicated p38 MAPK signaling in DOX-induced cardiac injury, the roles of the individual p38 isoforms, specifically, of the alternative isoforms p38γ and p38δ, remain uncharacterized. We aimed to determine the potential cardioprotective effects of p38γ and p38δ genetic deletion in mice subjected to acute DOX treatment. Male and female wild-type (WT), p38γ-/-, p38δ-/-, and p38γ-/-δ-/- mice were injected with 30 mg/kg DOX and their survival was tracked for 10 days. During this period, cardiac function was assessed by echocardiography and electrocardiography and fibrosis by Picro Sirius Red staining. Immunoblotting was performed to assess the expression of signaling proteins and markers linked to autophagy. Significantly improved survival was observed in p38δ-/- female mice post-DOX relative to WT females, but not in p38γ-/- or p38γ-/-δ-/- male or female mice. The improved survival in DOX-treated p38δ-/- females was associated with decreased fibrosis, increased cardiac output and LV diameter relative to DOX-treated WT females, and similar to saline-treated controls. Structural and echocardiographic parameters were either unchanged or worsened in all other groups. Increased autophagy, as suggested by increased LC3-II level, and decreased mammalian target of rapamycin activation was also observed in DOX-treated p38δ-/- females. p38δ plays a crucial role in promoting DOX-induced cardiotoxicity in female mice by inhibiting autophagy. Therefore, p38δ targeting could be a potential cardioprotective strategy in anthracycline chemotherapy.NEW & NOTEWORTHY This study for the first time identifies the sex-specific roles of the alternative p38γ and p38δ MAPK isoforms in promoting doxorubicin (DOX) cardiotoxicity. We show that p38δ and p38γ/δ systemic deletion was cardioprotective in female but not in male mice. Cardiac structure and function were preserved in DOX-treated p38δ-/- females and autophagy marker was increased.
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Affiliation(s)
- Sharon A George
- Department of Biomedical Engineering, The George Washington University, Washington, District of Columbia
| | - Alexi Kiss
- Department of Anatomy and Cell Biology, The George Washington University School of Medicine and Health Sciences, Washington, District of Columbia
- The George Washington Cancer Center, Washington, District of Columbia
| | - Sofian N Obaid
- Department of Biomedical Engineering, The George Washington University, Washington, District of Columbia
| | - Aileen Venegas
- Department of Biomedical Engineering, The George Washington University, Washington, District of Columbia
| | - Trisha Talapatra
- Department of Biomedical Engineering, The George Washington University, Washington, District of Columbia
| | - Chapman Wei
- Department of Anatomy and Cell Biology, The George Washington University School of Medicine and Health Sciences, Washington, District of Columbia
- Department of Dermatology, The George Washington University School of Medicine and Health Sciences, Washington, District of Columbia
| | - Tatiana Efimova
- Department of Anatomy and Cell Biology, The George Washington University School of Medicine and Health Sciences, Washington, District of Columbia
- The George Washington Cancer Center, Washington, District of Columbia
- Department of Dermatology, The George Washington University School of Medicine and Health Sciences, Washington, District of Columbia
| | - Igor R Efimov
- Department of Biomedical Engineering, The George Washington University, Washington, District of Columbia
- The George Washington Cancer Center, Washington, District of Columbia
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Ma ZG, Kong CY, Wu HM, Song P, Zhang X, Yuan YP, Deng W, Tang QZ. Toll-like receptor 5 deficiency diminishes doxorubicin-induced acute cardiotoxicity in mice. Am J Cancer Res 2020; 10:11013-11025. [PMID: 33042267 PMCID: PMC7532690 DOI: 10.7150/thno.47516] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 08/21/2020] [Indexed: 12/24/2022] Open
Abstract
Rationale: Clinical application of doxorubicin (DOX) is limited by its toxic cardiovascular side effects. Our previous study found that toll-like receptor (TLR) 5 deficiency attenuated cardiac fibrosis in mice. However, the role of TLR5 in DOX-induced cardiotoxicity remains unclear. Methods: To further investigate this, TLR5-deficient mice were subjected to a single intraperitoneal injection of DOX to mimic an acute model. Results: Here, we reported that TLR5 expression was markedly increased in response to DOX injection. Moreover, TLR5 deficiency exerted potent protective effects against DOX-related cardiac injury, whereas activation of TLR5 by flagellin exacerbated DOX injection-induced cardiotoxicity. Mechanistically, the effects of TLR5 were largely attributed to direct interaction with spleen tyrosine kinase to activate NADPH oxidase (NOX) 2, increasing the production of superoxide and subsequent activation of p38. The toxic effects of TLR5 activation in DOX-related acute cardiac injury were abolished by NOX2 deficiency in mice. Our further study showed that neutralizing antibody-mediated TLR5 depletion also attenuated DOX-induced acute cardiotoxicity. Conclusion: These findings suggest that TLR5 deficiency attenuates DOX-induced cardiotoxicity in mice, and targeting TLR5 may provide feasible therapies for DOX-induced acute cardiotoxicity.
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Giridharan VV, Karupppagounder V, Arumugam S, Nakamura Y, Guha A, Barichello T, Quevedo J, Watanabe K, Konishi T, Thandavarayan RA. 3,4-Dihydroxybenzalacetone (DBL) Prevents Aging-Induced Myocardial Changes in Senescence-Accelerated Mouse-Prone 8 (SAMP8) Mice. Cells 2020; 9:cells9030597. [PMID: 32138157 PMCID: PMC7140466 DOI: 10.3390/cells9030597] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 02/27/2020] [Accepted: 02/27/2020] [Indexed: 12/02/2022] Open
Abstract
Aging is a predominant risk factor for the development and progression of cardiovascular complications. Physiologically and anatomically, the heart undergoes numerous changes that result in poor cardiac function in the elderly population. Recently, several studies have provided promising results, confirming the ability of the senescence-accelerated mouse-prone 8 (SAMP8) model to accurately model age-related cardiovascular alterations. In this study, using a murine model of senescence, SAMP8, we aimed to investigate the effect of 3,4-dihydroxybenzalacetone (DBL), a catechol-containing phenylpropanoid derivative isolated from Inonotus obliquus (Chaga), on cardiac aging. DBL was administered at the doses of 10 mg/kg and 20 mg/kg by oral gavage to SAMP8 mice to examine aging-mediated cardiac changes, such as oxidative DNA damage, oxygen radical antioxidant capacity (ORAC) value, fibrosis, inflammation, and apoptosis. The treatment with DBL at both doses significantly reduced aging-mediated oxidative DNA damage, and simultaneously increased the ORAC value in the SAMP8 assay. Cardiac fibrosis was assessed with Azan-Mallory staining, and the number of cardiac remodeling markers was found to be significantly reduced after the treatment with DBL. We also observed a decrease in cardiomyocyte apoptosis as measured by the terminal transferase-mediated dUTP nick end labeling (TUNEL) staining method and the caspase-3 levels in SAMP8 mice compared with senescence-resistant control (SAMR1) mice. The findings from this study suggest that DBL has a potentially beneficial effect on aging-mediated myocardial alterations. Further studies are warranted to confirm the promising potential of this catechol compound against aging-associated myocardial dysfunction.
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Affiliation(s)
- Vijayasree V. Giridharan
- Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX 77054, USA; (V.V.G.); (T.B.); (J.Q.)
- Faculty of Applied Life Sciences, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences Niigata, Niigata 956-8603, Japan;
| | - Vengadeshprabhu Karupppagounder
- Department of Orthopedics and Rehabilitation, Penn State College of Medicine, 500 University Drive, Hershey, PA 17033, USA;
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1, Higashijima, Akiha ku, Niigata 956-8603, Japan; (S.A.); (K.W.)
| | - Somasundaram Arumugam
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1, Higashijima, Akiha ku, Niigata 956-8603, Japan; (S.A.); (K.W.)
- National Institute of Pharmaceutical Education and Research (NIPER), Jadavpur, Kolkata, West Bengal 700032, India
| | - Yutaka Nakamura
- Faculty of Applied Life Sciences, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences Niigata, Niigata 956-8603, Japan;
| | - Ashrith Guha
- Department of Cardiology, Houston Methodist Hospital, Houston, TX 77030, USA;
| | - Tatiana Barichello
- Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX 77054, USA; (V.V.G.); (T.B.); (J.Q.)
- Center of Excellence on Mood Disorders, Faillace Department of Psychiatry and Behavioral Sciences McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX 77054, USA
- Neuroscience Graduate Program, The University of Texas MD Anderson Cancer Center UTHealth, Graduate School of Biomedical Sciences, Houston, TX 77030, USA
| | - Joao Quevedo
- Translational Psychiatry Program, Faillace Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX 77054, USA; (V.V.G.); (T.B.); (J.Q.)
- Center of Excellence on Mood Disorders, Faillace Department of Psychiatry and Behavioral Sciences McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX 77054, USA
- Neuroscience Graduate Program, The University of Texas MD Anderson Cancer Center UTHealth, Graduate School of Biomedical Sciences, Houston, TX 77030, USA
- Translational Psychiatry Laboratory, Graduate Program in Health Sciences, University of Southern Santa Catarina (UNESC), Criciúma 88800-000, SC, Brazil
| | - Kenichi Watanabe
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1, Higashijima, Akiha ku, Niigata 956-8603, Japan; (S.A.); (K.W.)
- Department of Laboratory Medicine and Clinical Epidemiology for Prevention of Noncommunicable Diseases, Niigata University Graduate School of Medical and Dental Sciences, 757, Ichibancho, Asahimachidori, Chuo ku, Niigata City 951-8510, Japan
| | - Tetsuya Konishi
- Niigata University of Pharmacy & Applied Life Sciences (NUPALS), LIAISON R/D Center, Niigata 956-8603, Japan
- Correspondence: (T.K.); (R.A.T.); Tel.: 713-363-8080 (R.A.T.)
| | - Rajarajan A. Thandavarayan
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1, Higashijima, Akiha ku, Niigata 956-8603, Japan; (S.A.); (K.W.)
- Department of Cardiology, Houston Methodist Hospital, Houston, TX 77030, USA;
- Correspondence: (T.K.); (R.A.T.); Tel.: 713-363-8080 (R.A.T.)
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Matsumura N, Zordoky BN, Robertson IM, Hamza SM, Parajuli N, Soltys CLM, Beker DL, Grant MK, Razzoli M, Bartolomucci A, Dyck JRB. Co-administration of resveratrol with doxorubicin in young mice attenuates detrimental late-occurring cardiovascular changes. Cardiovasc Res 2019; 114:1350-1359. [PMID: 29566148 DOI: 10.1093/cvr/cvy064] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 03/15/2018] [Indexed: 12/23/2022] Open
Abstract
Aims Doxorubicin (DOX) is among the most effective chemotherapies used in paediatric cancer patients. However, the clinical utility of DOX is offset by its well-known cardiotoxicity, which often does not appear until later in life. Since hypertension significantly increases the risk of late-onset heart failure in childhood cancer survivors, we investigated whether juvenile DOX exposure impairs the ability to adapt to angiotensin II (Ang II)-induced hypertension later in life and tested a treatment that could prevent this. Methods and results Five-week-old male mice were administered a low dose of DOX (4 mg/kg) or saline once a week for 3 weeks and then allowed to recover for 5 weeks. Following the 5-week recovery period, mice were infused with Ang II or saline for 2 weeks. In another cohort, mice were fed chow containing 0.4% resveratrol 1 week before, during, and 1 week after the DOX administrations. One week after the last DOX administration, p38 mitogen-activated protein kinase (MAPK) was activated in hearts of DOX-treated mice demonstrating molecular signs of cardiac stress; yet, there was no change in cardiac function between groups. However, DOX-treated mice failed to develop compensatory cardiac hypertrophy in response to Ang II-induced hypertension later in life. Of importance, mice receiving DOX with resveratrol co-administration displayed normalization in p38 MAPK activation in the heart and a restored capacity for cardiac hypertrophy in response to Ang II-induced hypertension. Conclusion We have developed a juvenile mouse model of DOX-induced cardiotoxicity that displays no immediate overt physiological dysfunction; but, leads to an impaired ability of the heart to adapt to hypertension later in life. We also show that co-administration of resveratrol during DOX treatment was sufficient to normalize molecular markers of cardiotoxicity and restore the ability of the heart to undergo adaptive remodelling in response to hypertension later in life.
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Affiliation(s)
- Nobutoshi Matsumura
- Department of Pediatrics, Faculty of Medicine and Dentistry, Cardiovascular Research Centre, University of Alberta, 87th Avenue and 112 Street, Edmonton, Alberta T6G 2S2, Canada.,Division of Cardiovascular Surgery, Tohoku University Graduate School of Medicine 1-1, Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8574, Japan
| | - Beshay N Zordoky
- Department of Pediatrics, Faculty of Medicine and Dentistry, Cardiovascular Research Centre, University of Alberta, 87th Avenue and 112 Street, Edmonton, Alberta T6G 2S2, Canada.,Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, 308 Harvard Street S.E., Minneapolis, MN 55455, USA
| | - Ian M Robertson
- Department of Pediatrics, Faculty of Medicine and Dentistry, Cardiovascular Research Centre, University of Alberta, 87th Avenue and 112 Street, Edmonton, Alberta T6G 2S2, Canada
| | - Shereen M Hamza
- Department of Pediatrics, Faculty of Medicine and Dentistry, Cardiovascular Research Centre, University of Alberta, 87th Avenue and 112 Street, Edmonton, Alberta T6G 2S2, Canada
| | - Nirmal Parajuli
- Department of Medicine, Cardiovascular Research Centre, Faculty of Medicine and Dentistry, University of Alberta, 87th Avenue and 112 Street, Edmonton, Alberta T6G 2S2, Canada
| | - Carrie-Lynn M Soltys
- Department of Pediatrics, Faculty of Medicine and Dentistry, Cardiovascular Research Centre, University of Alberta, 87th Avenue and 112 Street, Edmonton, Alberta T6G 2S2, Canada
| | - Donna L Beker
- Department of Pediatrics, Faculty of Medicine and Dentistry, Cardiovascular Research Centre, University of Alberta, 87th Avenue and 112 Street, Edmonton, Alberta T6G 2S2, Canada
| | - Marianne K Grant
- Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, 308 Harvard Street S.E., Minneapolis, MN 55455, USA
| | - Maria Razzoli
- Department of Integrative Biology and Physiology, Medical School, University of Minnesota, 2231 6th Street S.E. Minneapolis, MN 55455, USA
| | - Alessandro Bartolomucci
- Department of Integrative Biology and Physiology, Medical School, University of Minnesota, 2231 6th Street S.E. Minneapolis, MN 55455, USA
| | - Jason R B Dyck
- Department of Pediatrics, Faculty of Medicine and Dentistry, Cardiovascular Research Centre, University of Alberta, 87th Avenue and 112 Street, Edmonton, Alberta T6G 2S2, Canada
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11
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Zheng D, Su Z, Zhang Y, Ni R, Fan GC, Robbins J, Song LS, Li J, Peng T. Calpain-2 promotes MKP-1 expression protecting cardiomyocytes in both in vitro and in vivo mouse models of doxorubicin-induced cardiotoxicity. Arch Toxicol 2019; 93:1051-1065. [DOI: 10.1007/s00204-019-02405-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 01/31/2019] [Indexed: 12/31/2022]
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12
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Omóbòwálé TO, Oyagbemi AA, Folasire AM, Ajibade TO, Asenuga ER, Adejumobi OA, Ola-Davies OE, Oyetola O, James G, Adedapo AA, Yakubu MA. Ameliorative effect of gallic acid on doxorubicin-induced cardiac dysfunction in rats. J Basic Clin Physiol Pharmacol 2018; 29:19-27. [PMID: 29016351 DOI: 10.1515/jbcpp-2016-0194] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Accepted: 07/23/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND The use of doxorubicin (DOX) as an antineoplastic agent has been greatly limited because of the myriad of toxic sequelae associated with it. The aim of this study was to assess the protective effects of gallic acid (GA) on DOX-induced cardiac toxicity in rats. METHODS Sixty male rats (Wistar strain) were used in this study. They were divided into six groups (A-F) each containing 10 animals. Group A was the control. Rats in Groups B, C, and D were treated with DOX at the dosage of 15 mg/kg body weight i.p. Prior to this treatment, rats in Groups C and D had been treated orally with GA for 7 days at the dosage of 60 and 120 mg/kg, respectively. Animals from Groups E and F received only 60 and 120 mg/kg GA, respectively, which were administered orally for 7 days. RESULTS The exposure of rats to DOX led to a significant (p<0.05) decrease in the cardiac antioxidant defence system and elevation of creatine kinase myocardial band and lactate dehydrogenase. The electrocardiography results showed a significant decrease in heart rate, QRS, and QT-segment prolongation. GA alone improved the antioxidant defence system. CONCLUSIONS The GA pretreatment significantly alleviated GA-associated ECG abnormalities, restored the antioxidant status and prevented cardiac damage.
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Affiliation(s)
| | - Ademola A Oyagbemi
- Department of Veterinary Physiology and Biochemistry, Faculty of Veterinary Medicine, University of Ibadan, Ibadan, Nigeria
| | - Ayorinde M Folasire
- Department of Radiation Oncology, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Temitayo O Ajibade
- Department of Veterinary Physiology and Biochemistry, Faculty of Veterinary Medicine, University of Ibadan, Ibadan, Nigeria
| | - Ebunoluwa R Asenuga
- Department of Veterinary Physiology, Pharmacology and Biochemistry, University of Benin, Benin City, Nigeria
| | | | - Olufunke E Ola-Davies
- Department of Veterinary Physiology and Biochemistry, Faculty of Veterinary Medicine, University of Ibadan, Ibadan, Nigeria
| | - Orotusin Oyetola
- Department of Veterinary Medicine, University of Ibadan, Ibadan, Nigeria
| | - Gana James
- Department of Veterinary Medicine, University of Ibadan, Ibadan, Nigeria
| | - Adeolu A Adedapo
- Department of Veterinary Pharmacology and Toxicology, University of Ibadan, Ibadan, Nigeria
| | - Momoh A Yakubu
- Department of Environmental and Interdisciplinary Sciences, College of Science, Engineering and Technology, Vascular Biology Unit, Center for Cardiovascular Diseases, COPHS, Texas Southern University, Houston, TX, USA
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13
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Wen SY, Tsai CY, Pai PY, Chen YW, Yang YC, Aneja R, Huang CY, Kuo WW. Diallyl trisulfide suppresses doxorubicin-induced cardiomyocyte apoptosis by inhibiting MAPK/NF-κB signaling through attenuation of ROS generation. ENVIRONMENTAL TOXICOLOGY 2018; 33:93-103. [PMID: 29087013 DOI: 10.1002/tox.22500] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 09/29/2017] [Accepted: 10/06/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND Doxorubicin (Dox) is an effective anticancer agent. However, its effectiveness is limited by its cardiotoxic effects. It has also been reported that the mitogen-activated protein kinase family and NF-κB can be activated by Dox treatment. DATS has been shown to be a potent antioxidant with cardioprotective effects. We investigate whether Dox induces cardiac apoptosis through JNK- and ERK-dependent NF-κB upregulation that can be reduced by DATS treatment. METHODS AND MATERIAL H9c2 cells were treated with 0.5-1.5 μM Dox for 24 hours. Dox promoted apoptosis and ROS generation and inhibited viability in a dose-dependent manner. Then, the phosphorylation levels of JNK, ERK, and NF-κB evaluated by western blot were elevated. We used inhibitors of JNK, ERK, and NF-κB to determine which of these proteins were involved in Dox-induced apoptosis. Furthermore, Dox-exposed cells were treated with DATS at doses of 1, 5, and 10 μM, and the data demonstrated that ROS generation and apoptotic proteins were decreased and that ERK and NF-κB were downregulated in a dose-dependent manner. Additionally, six-week-old rats were divided into three groups (n = 6 per group) designed as an eight-week study. Normal, Dox (at dose 3.75 mg/kg by ip) administered with or without DATS (at dose 40 mg/kg by gavage) treatment groups. The results indicate that cardiac dysfunction, apoptosis, and JNK, ERK, and NF-κB activation by Dox were reversed by treatment with DATS. CONCLUSION DATS appears to suppress Dox-induced cardiomyocyte apoptosis by inhibiting NADPH oxidase-related ROS production and the downstream JNK/ERK/NF-κB signaling pathway; DATS may possess clinical therapeutic potential by blocking Dox-induced cardiotoxicity.
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Affiliation(s)
- Su-Ying Wen
- Department of Dermatology, Taipei City Hospital, Renai Branch, Taipei, Taiwan
- Center for General Education, Mackay Junior College of Medicine, Nursing, and Management, Taipei, Taiwan
| | - Cheng-Yen Tsai
- Department of Pediatrics, China Medical University Beigang Hospital, Yunlin, Taiwan, 651, Republic of China
- School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan, 404, Republic of China
| | - Pei-Ying Pai
- Department of Pathology, China Medical University Hospital, Taichung, Taiwan
| | - Yi-Wei Chen
- Department of Biological Science and Technology, College of Biopharmaceutical and Food Sciences, China Medical University, Taichung, Taiwan, 404, Republic of China
| | - Yao-Chih Yang
- Department of Biological Science and Technology, College of Biopharmaceutical and Food Sciences, China Medical University, Taichung, Taiwan, 404, Republic of China
| | - Ritu Aneja
- Department of Biology, Georgia State University, Atlanta, Georgia, 30303
| | - Chih-Yang Huang
- Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan, 404, Republic of China
- Department of Chinese Medicine, China Medical University Hospital, Taichung, Taiwan, 404, Republic of China
- Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan, 413, Republic of China
| | - Wei-Wen Kuo
- Department of Biological Science and Technology, College of Biopharmaceutical and Food Sciences, China Medical University, Taichung, Taiwan, 404, Republic of China
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14
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McLaughlin D, Zhao Y, O'Neill KM, Edgar KS, Dunne PD, Kearney AM, Grieve DJ, McDermott BJ. Signalling mechanisms underlying doxorubicin and Nox2 NADPH oxidase-induced cardiomyopathy: involvement of mitofusin-2. Br J Pharmacol 2017; 174:3677-3695. [PMID: 28261787 PMCID: PMC5647180 DOI: 10.1111/bph.13773] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Revised: 02/27/2017] [Accepted: 03/01/2017] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND AND PURPOSE The anthracycline doxorubicin (DOX), although successful as a first-line cancer treatment, induces cardiotoxicity linked with increased production of myocardial ROS, with Nox2 NADPH oxidase-derived superoxide reported to play a key role. The aim of this study was to identify novel mechanisms underlying development of cardiac remodelling/dysfunction further to DOX-stimulated Nox2 activation. EXPERIMENTAL APPROACH Nox2-/- and wild-type (WT) littermate mice were administered DOX (12 mg·kg-1 over 3 weeks) prior to study at 4 weeks. Detailed mechanisms were investigated in murine HL-1 cardiomyocytes, employing a robust model of oxidative stress, gene silencing and pharmacological tools. KEY RESULTS DOX-induced cardiac dysfunction, cardiomyocyte remodelling, superoxide production and apoptosis in WT mice were attenuated in Nox2-/- mice. Transcriptional analysis of left ventricular tissue identified 152 differentially regulated genes (using adjusted P < 0.1) in DOX-treated Nox2-/- versus WT mice, and network analysis highlighted 'Cell death and survival' as the biological function most significant to the dataset. The mitochondrial membrane protein, mitofusin-2 (Mfn2), appeared as a strong candidate, with increased expression (1.5-fold), confirmed by qPCR (1.3-fold), matching clear published evidence of promotion of cardiomyocyte cell death. In HL-1 cardiomyocytes, targeted siRNA knockdown of Nox2 decreased Mfn2 protein expression, but not vice versa. While inhibition of Nox2 activity along with DOX treatment attenuated its apoptotic and cytotoxic effects, reduced apoptosis after Mfn2 silencing reflected a sustained cytotoxic response and reduced cell viability. CONCLUSIONS AND IMPLICATIONS DOX-induced and Nox2-mediated up-regulation of Mfn2, rather than contributing to cardiomyocyte dysfunction through apoptotic pathways, appears to promote a protective mechanism. LINKED ARTICLES This article is part of a themed section on New Insights into Cardiotoxicity Caused by Chemotherapeutic Agents. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v174.21/issuetoc.
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Affiliation(s)
- Declan McLaughlin
- Centre for Experimental Medicine, Wellcome‐Wolfson BuildingQueen's University BelfastBelfastUK
| | - Youyou Zhao
- Centre for Experimental Medicine, Wellcome‐Wolfson BuildingQueen's University BelfastBelfastUK
| | - Karla M O'Neill
- Centre for Experimental Medicine, Wellcome‐Wolfson BuildingQueen's University BelfastBelfastUK
| | - Kevin S Edgar
- Centre for Experimental Medicine, Wellcome‐Wolfson BuildingQueen's University BelfastBelfastUK
| | - Philip D Dunne
- Centre for Cancer Research and Cell BiologyQueen's University BelfastBelfastUK
| | - Anna M Kearney
- Centre for Experimental Medicine, Wellcome‐Wolfson BuildingQueen's University BelfastBelfastUK
| | - David J Grieve
- Centre for Experimental Medicine, Wellcome‐Wolfson BuildingQueen's University BelfastBelfastUK
| | - Barbara J McDermott
- Centre for Experimental Medicine, Wellcome‐Wolfson BuildingQueen's University BelfastBelfastUK
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15
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Chen R, Sun G, Yang L, Wang J, Sun X. Salvianolic acid B protects against doxorubicin induced cardiac dysfunction via inhibition of ER stress mediated cardiomyocyte apoptosis. Toxicol Res (Camb) 2016; 5:1335-1345. [PMID: 30090438 PMCID: PMC6062089 DOI: 10.1039/c6tx00111d] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Accepted: 06/02/2016] [Indexed: 11/21/2022] Open
Abstract
Salvia miltiorrhiza Bunge is a well-known medicinal plant in China. Salvianolic acid B (Sal B) is the most abundant bioactive compound extracted from the root of S. miltiorrhiza. The present study investigates the effect of Sal B on cardiac function and cardiomyocyte apoptosis in doxorubicin (DOX)-treated mice. After pretreatment with Sal B (2 mg kg-1 iv) for 7 d, male BALB/c mice were injected with a single dose of DOX (20 mg kg-1 ip). The cardioprotective effect of Sal B was observed on the 7th day after DOX treatment. DOX caused retarded body growth, apoptotic damage, and Bcl-2 expression disturbance. In contrast, Sal B pretreatment (2 mg kg-1 iv before DOX administration) attenuated the DOX induced apoptotic damage in heart tissues. Further study indicated that Sal B protected against DOX induced cardiotoxicity, at least, partially, by inhibiting endoplasmic reticulum stress, and by being involved in the PI3K/Akt pathway. These findings clarified the potential of Sal B as a promising reagent for treating DOX induced cardiotoxicity.
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Affiliation(s)
- Rongchang Chen
- Institute of Medicinal Plant Development , Chinese Academy of Medical Science , Peking Union Medical College , No 151 , North Road Malianwa , Haidian District , Beijing 100094 , China . ; ; Tel: +86-010-57833013
| | - Guibo Sun
- Institute of Medicinal Plant Development , Chinese Academy of Medical Science , Peking Union Medical College , No 151 , North Road Malianwa , Haidian District , Beijing 100094 , China . ; ; Tel: +86-010-57833013
- Zhongguancun Open Laboratory of the Research and Development of Natural Medicine and Health Products , China
| | - Longpo Yang
- Harbin University of Commerce , Xuehai Street , Songbei District , Harbin , Heilongjiang 150028 , China
| | - Jian Wang
- Harbin University of Commerce , Xuehai Street , Songbei District , Harbin , Heilongjiang 150028 , China
| | - Xiaobo Sun
- Institute of Medicinal Plant Development , Chinese Academy of Medical Science , Peking Union Medical College , No 151 , North Road Malianwa , Haidian District , Beijing 100094 , China . ; ; Tel: +86-010-57833013
- Zhongguancun Open Laboratory of the Research and Development of Natural Medicine and Health Products , China
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16
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Karuppagounder V, Arumugam S, Thandavarayan RA, Pitchaimani V, Sreedhar R, Afrin R, Harima M, Suzuki H, Nomoto M, Miyashita S, Suzuki K, Nakamura M, Ueno K, Watanabe K. Tannic acid modulates NFκB signaling pathway and skin inflammation in NC/Nga mice through PPARγ expression. Cytokine 2015; 76:206-213. [DOI: 10.1016/j.cyto.2015.05.016] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Revised: 05/12/2015] [Accepted: 05/14/2015] [Indexed: 01/12/2023]
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17
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Giridharan VV, Thandavarayan RA, Arumugam S, Mizuno M, Nawa H, Suzuki K, Ko KM, Krishnamurthy P, Watanabe K, Konishi T. Schisandrin B Ameliorates ICV-Infused Amyloid β Induced Oxidative Stress and Neuronal Dysfunction through Inhibiting RAGE/NF-κB/MAPK and Up-Regulating HSP/Beclin Expression. PLoS One 2015; 10:e0142483. [PMID: 26556721 PMCID: PMC4640572 DOI: 10.1371/journal.pone.0142483] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Accepted: 10/22/2015] [Indexed: 01/12/2023] Open
Abstract
Amyloid β (Aβ)-induced neurotoxicity is a major pathological mechanism of Alzheimer’s disease (AD). Our previous studies have demonstrated that schisandrin B (Sch B), an antioxidant lignan from Schisandra chinensis, could protect mouse brain against scopolamine- and cisplatin-induced neuronal dysfunction. In the present study, we examined the protective effect of Sch B against intracerebroventricular (ICV)-infused Aβ-induced neuronal dysfunction in rat cortex and explored the potential mechanism of its action. Our results showed that 26 days co-administration of Sch B significantly improved the behavioral performance of Aβ (1–40)-infused rats in step-through test. At the same time, Sch B attenuated Aβ-induced increases in oxidative and nitrosative stresses, inflammatory markers such as inducible nitric oxide syntheses, cyclooxygenase-2, interleukin-1β (IL-1β), IL-6, and tumor necrosis factor-α, and DNA damage. Several proteins such as receptor for advanced glycation end products (RAGE), nuclear factor-κB, mitogen-activated protein kinases, and apoptosis markers were over expressed in Aβ-infused rats but were significantly inhibited by Sch B treatment. Furthermore, Sch B negatively modulated the Aβ level with simultaneous up-regulation of HSP70 and beclin, autophagy markers in Aβ-infused rats. The aforementioned effects of Sch B suggest its protective role against Aβ-induced neurotoxicity through intervention in the negative cycle of RAGE-mediated Aβ accumulation during AD patho-physiology.
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Affiliation(s)
| | - Rajarajan A. Thandavarayan
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, Texas, United States of America
- * E-mail: (RAT); (TK)
| | - Somasundaram Arumugam
- Department of Clinical Pharmacology, Niigata University of Pharmacy & Applied Life Sciences (NUPALS), Niigata City, Japan
| | - Makoto Mizuno
- Division of Neurobiology, Brain Research Institute, Niigata University, Niigata, Japan
| | - Hiroyuki Nawa
- Division of Neurobiology, Brain Research Institute, Niigata University, Niigata, Japan
| | - Kenji Suzuki
- Department of Gastroenterology and Hepatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Kam M. Ko
- Section of Biochemistry and Cell biology, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong SAR, China
| | - Prasanna Krishnamurthy
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, Texas, United States of America
| | - Kenichi Watanabe
- Department of Clinical Pharmacology, Niigata University of Pharmacy & Applied Life Sciences (NUPALS), Niigata City, Japan
| | - Tetsuya Konishi
- Basic studies on second generation functional foods, NUPALS, NUPALS Liaison R/D promotion division, Niigata, Japan, Changchun University of Chinese Medicine, Changchun, RP China
- * E-mail: (RAT); (TK)
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18
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Antioxidant Formulae, Shengmai San, and LingGuiZhuGanTang, Prevent MPTP Induced Brain Dysfunction and Oxidative Damage in Mice. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 2015:584018. [PMID: 26612995 PMCID: PMC4647033 DOI: 10.1155/2015/584018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2015] [Revised: 08/12/2015] [Accepted: 10/11/2015] [Indexed: 01/19/2023]
Abstract
The present study was designed to evaluate the preventive effect of antioxidative traditional oriental medicine formulae, Shengmai San (SMS) and LingGuiZhuGanTang (LGZGT), against 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) (i.p 30 mg·kg−1 for 5 consecutive days) induced neurotoxicity. In in vitro antioxidant assays measured with Trolox and butyl hydroxyl toluene as reference antioxidant revealed that SMS has higher scavenging potential against hydroxyl radical than superoxide anion radical, but LGZGT was the reverse. The neuroprotective effect of SMS and LGZGT against MPTP was evaluated in mice by behavioral, biochemical, and immunohistochemical studies. In the behavioral study, both SMS and LGZGT significantly reversed the locomotive impairment induced by MPTP. Simultaneously, both formulae significantly prevented the MPTP induced dopaminergic neuron loss assessed by tyrosine hydroxylase in the midbrain. Both SMS and LGZGT significantly attenuated the elevated lipid peroxidation and protein carbonyls levels by MPTP. The DNA damage induced by MPTP was also prevented by both formulae. Although a little difference in the protective functions was observed between the two formulae, such as in DNA damage and behavioral studies, the results indicate that both SMS and LGZGT with antioxidant property act as a good candidate applicable for the antioxidant based complementary therapies of neurodegenerative diseases.
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19
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Thandavarayan RA, Garikipati VNS, Joladarashi D, Suresh Babu S, Jeyabal P, Verma SK, Mackie AR, Khan M, Arumugam S, Watanabe K, Kishore R, Krishnamurthy P. Sirtuin-6 deficiency exacerbates diabetes-induced impairment of wound healing. Exp Dermatol 2015; 24:773-8. [PMID: 26010430 DOI: 10.1111/exd.12762] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/19/2015] [Indexed: 12/29/2022]
Abstract
Delayed wound healing is one of the major complications in diabetes and is characterized by chronic proinflammatory response, and abnormalities in angiogenesis and collagen deposition. Sirtuin family proteins regulate numerous pathophysiological processes, including those involved in promotion of longevity, DNA repair, glycolysis and inflammation. However, the role of sirtuin 6 (SIRT6), a NAD+-dependent nuclear deacetylase, in wound healing specifically under diabetic condition remains unclear. To analyse the role of SIRT6 in cutaneous wound healing, paired 6-mm stented wound was created in diabetic db/db mice and injected siRNA against SIRT6 in the wound margins (transfection agent alone and nonsense siRNA served as controls). Wound time to closure was assessed by digital planimetry, and wounds were harvested for histology, immunohistochemistry and Western blotting. SIRT6-siRNA-treated diabetic wound showed impaired healing, which was associated with reduced capillary density (CD31-staining vessels) when compared to control treatment. Interestingly, SIRT6 deficiency decreased vascular endothelial growth factor expression and proliferation markers in the wounds. Furthermore, SIRT6 ablation in diabetic wound promotes nuclear factor-κB (NF-κB) activation resulting in increased expression of proinflammatory markers (intercellular adhesion molecule-1, vascular cell adhesion molecule-1, tumor necrosis factor-α and interleukin-1β) and increased oxidative stress. Collectively, our findings demonstrate that loss of SIRT6 in cutaneous wound aggravates proinflammatory response by increasing NF-κB activation, oxidative stress and decrease in angiogenesis in the diabetic mice. Based on these findings, we speculate that the activation of SIRT6 signalling might be a potential therapeutic approach for promoting wound healing in diabetics.
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Affiliation(s)
- Rajarajan A Thandavarayan
- Department of Cardiovascular Sciences, Center for Cardiovascular Regeneration, Houston Methodist Research Institute, Houston, TX, USA
| | | | - Darukeshwara Joladarashi
- Department of Cardiovascular Sciences, Center for Cardiovascular Regeneration, Houston Methodist Research Institute, Houston, TX, USA
| | - Sahana Suresh Babu
- Department of Cardiovascular Sciences, Center for Cardiovascular Regeneration, Houston Methodist Research Institute, Houston, TX, USA
| | - Prince Jeyabal
- Department of Cardiovascular Sciences, Center for Cardiovascular Regeneration, Houston Methodist Research Institute, Houston, TX, USA
| | - Suresh K Verma
- Center for Translational Medicine, Temple University School of Medicine, Philadelphia, PA, USA
| | - Alexander R Mackie
- Feinberg Cardiovascular Research Institute, Northwestern University, Chicago, IL, USA
| | - Mohsin Khan
- Center for Translational Medicine, Temple University School of Medicine, Philadelphia, PA, USA
| | - Somasundaram Arumugam
- Department of Clinical Pharmacology, Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan
| | - Kenichi Watanabe
- Department of Clinical Pharmacology, Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan
| | - Raj Kishore
- Center for Translational Medicine, Temple University School of Medicine, Philadelphia, PA, USA
| | - Prasanna Krishnamurthy
- Department of Cardiovascular Sciences, Center for Cardiovascular Regeneration, Houston Methodist Research Institute, Houston, TX, USA.,Cell and Developmental Biology, Department of Cardiothoracic Surgery, Weill Cornell Medical College of Cornell University, New York, NY, USA
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20
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Karuppagounder V, Arumugam S, Thandavarayan RA, Pitchaimani V, Sreedhar R, Afrin R, Harima M, Suzuki H, Nomoto M, Miyashita S, Suzuki K, Nakamura M, Watanabe K. Modulation of HMGB1 translocation and RAGE/NFκB cascade by quercetin treatment mitigates atopic dermatitis in NC/Nga transgenic mice. Exp Dermatol 2015; 24:418-23. [PMID: 25739980 DOI: 10.1111/exd.12685] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2015] [Indexed: 12/31/2022]
Abstract
Quercetin, glycosylated form of flavonoid compound, has potent antioxidant and anti-inflammatory properties. In this study, we have investigated the effects of quercetin on skin lesion, high-mobility group box (HMGB)1 cascade signalling and inflammation in atopic dermatitis (AD) mouse model. AD-like lesion was induced by the application of house dust mite extract to the dorsal skin of NC/Nga transgenic mouse. After AD induction, quercetin (50 mg/kg, p.o) was administered daily for 2 weeks. We evaluated dermatitis severity, histopathological changes and changes in protein expression by Western blotting for HMGB1, receptor for advanced glycation end products (RAGE), toll-like receptor (TLR)4, nuclear factor (NF)κB, nuclear factor erythroid-2-related factor (Nrf)2, kelch-like ECH-associated protein (Keap)1, extracellular signal-regulated kinase (ERK)1/2, cyclooxygenase (COX)2, tumor necrosis factor (TNF)α, interleukin (IL)-1β, IL-2Rα and other inflammatory markers in the skin of AD mice. In addition, serum levels of T helper (Th) cytokines (interferon (IFN)γ, IL-4) were measured by enzyme-linked immunosorbent assay. Quercetin treatment attenuated the development of AD-like skin lesions. Histological analysis showed that quercetin inhibited hyperkeratosis, parakeratosis, acanthosis, mast cells and infiltration of inflammatory cells. Furthermore, quercetin treatment downregulated cytoplasmic HMGB1, RAGE, nuclear p-NFκB, p-ERK1/2, COX2, TNFα, IL-1β, IL-2Rα, IFNγ and IL-4 and upregulated nuclear Nrf2. Our data demonstrated that the HMGB1/RAGE/NFκB signalling might play an important role in skin inflammation, and quercetin treatment could be a promising agent for AD by modulating the HMGB1/RAGE/NFκB signalling and induction of Nrf2 protein.
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Affiliation(s)
- Vengadeshprabhu Karuppagounder
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan
| | - Somasundaram Arumugam
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan
| | - Rajarajan A Thandavarayan
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan.,Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, USA
| | - Vigneshwaran Pitchaimani
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan
| | - Remya Sreedhar
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan
| | - Rejina Afrin
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan
| | - Meilei Harima
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan
| | - Hiroshi Suzuki
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan
| | - Mayumi Nomoto
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan
| | - Shizuka Miyashita
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan
| | - Kenji Suzuki
- Department of Gastroenterology, Niigata University Graduate School of Medical and Dental Sciences, Niigata City, Japan
| | - Masahiko Nakamura
- Department of Cardiology, Yamanashi Prefectural Central Hospital, Kofu-city, Yamanashi, Japan
| | - Kenichi Watanabe
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan
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21
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Thandavarayan RA, Giridharan VV, Arumugam S, Suzuki K, Ko KM, Krishnamurthy P, Watanabe K, Konishi T. Schisandrin B prevents doxorubicin induced cardiac dysfunction by modulation of DNA damage, oxidative stress and inflammation through inhibition of MAPK/p53 signaling. PLoS One 2015; 10:e0119214. [PMID: 25742619 PMCID: PMC4351084 DOI: 10.1371/journal.pone.0119214] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Accepted: 01/26/2015] [Indexed: 11/25/2022] Open
Abstract
Doxorubicin (Dox) is a highly effective antineoplastic drug. However, Dox-induced apoptosis in cardiomyocytes leads to irreversible degenerative cardiomyopathy, which limits Dox clinical application. Schisandrin B (Sch B), a dibenzocyclooctadiene derivative isolated from the fruit of Schisandra chinensis, has been shown to protect against oxidative damage in liver, heart and brain tissues in rodents. In current study, we investigated possible protective effects of Sch B against Dox-induced cardiomyopathy in mice. Mice received a single injection of Dox (20 mg/kg IP). Five days after Dox administration, left ventricular (LV) performance was significantly depressed and was improved by Sch B treatment. Sch B prevented the Dox-induced increase in lipid peroxidation, nitrotyrosine formation, and metalloproteinase activation in the heart. In addition, the increased expression of phospho-p38 MAPK and phospho-MAPK activated mitogen kinase 2 levels by Dox were significantly suppressed by Sch B treatment. Sch B also attenuated Dox-induced higher expression of LV proinflammatory cytokines, cardiomyocyte DNA damage, myocardial apoptosis, caspase-3 positive cells and phopho-p53 levels in mice. Moreover, LV expression of NADPH oxidase subunits and reactive oxygen species were significantly less in Sch B treatment mice after Dox injection. These findings suggest that Sch B attenuates Dox-induced cardiotoxicity via antioxidative and anti-inflammatory effects.
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Affiliation(s)
- Rajarajan A. Thandavarayan
- Department of Clinical Pharmacology, Niigata University of Pharmacy and Applied Life Sciences (NUPALS), Higashijima, Akiha Ku, Niigata, Japan
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, Texas, United States of America
| | | | - Somasundaram Arumugam
- Department of Clinical Pharmacology, Niigata University of Pharmacy and Applied Life Sciences (NUPALS), Higashijima, Akiha Ku, Niigata, Japan
| | - Kenji Suzuki
- Department of Gastroenterology and Hepatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Kam Ming Ko
- Section of Biochemistry and Cell Biology, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong SAR, China
| | - Prasanna Krishnamurthy
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, Texas, United States of America
| | - Kenichi Watanabe
- Department of Clinical Pharmacology, Niigata University of Pharmacy and Applied Life Sciences (NUPALS), Higashijima, Akiha Ku, Niigata, Japan
| | - Tetsuya Konishi
- Basic studies on second generation functional foods, NUPALS, NUPALS Liaison R/D promotion devision, Higashi-jima 265-1, Akiha-ku, Niigata, Japan, and Changchun University of Chinese Medicine, Bosuo Road #1035 Jingyue Economic Development District, Changchun, RP China
- * E-mail:
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Chen RC, Xu XD, Zhi Liu X, Sun GB, Zhu YD, Dong X, Wang J, Zhang HJ, Zhang Q, Sun XB. Total Flavonoids from Clinopodium chinense (Benth.) O. Ktze Protect against Doxorubicin-Induced Cardiotoxicity In Vitro and In Vivo. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2015; 2015:472565. [PMID: 25784945 PMCID: PMC4346128 DOI: 10.1155/2015/472565] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2014] [Revised: 12/04/2014] [Accepted: 12/22/2014] [Indexed: 01/08/2023]
Abstract
Doxorubicin has cardiotoxic effects that limit its clinical benefit in cancer patients. This study aims to investigate the protective effects of the total flavonoids from Clinopodium chinense (Benth.) O. Ktze (TFCC) against doxorubicin- (DOX-) induced cardiotoxicity. Male rats were intraperitoneally injected with a single dose of DOX (3 mg/kg) every 2 days for three injections. Heart samples were collected 2 weeks after the last DOX dose and then analyzed. DOX delayed body and heart growth and caused cardiac tissue injury, oxidative stress, apoptotic damage, mitochondrial dysfunction, and Bcl-2 expression disturbance. Similar experiments in H9C2 cardiomyocytes showed that doxorubicin reduced cell viability, increased ROS generation and DNA fragmentation, disrupted mitochondrial membrane potential, and induced apoptotic cell death. However, TFCC pretreatment suppressed all of these adverse effects of doxorubicin. Signal transduction studies indicated that TFCC suppressed DOX-induced overexpression of p53 and phosphorylation of JNK, p38, and ERK. Studies with LY294002 (a PI3K/AKT inhibitor) demonstrated that the mechanism of TFCC-induced cardioprotection also involves activation of PI3K/AKT. These findings indicated the potential clinical application of TFCC in preventing DOX-induced cardiac oxidative stress.
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Affiliation(s)
- Rong Chang Chen
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science, Peking Union Medical College, No. 151, North Road Malianwa, Haidian District, Beijing 100094, China
| | - Xu Dong Xu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science, Peking Union Medical College, No. 151, North Road Malianwa, Haidian District, Beijing 100094, China
| | - Xue Zhi Liu
- Academy of Forestry, Baishan, Jilin 134302, China
| | - Gui Bo Sun
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science, Peking Union Medical College, No. 151, North Road Malianwa, Haidian District, Beijing 100094, China
| | - Yin Di Zhu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science, Peking Union Medical College, No. 151, North Road Malianwa, Haidian District, Beijing 100094, China
| | - Xi Dong
- Academy of Chinese Materia Medica, Wenzhou Medical College, Wenzhou, Zhejiang 325035, China
| | - Jian Wang
- Harbin University of Commerce, Xuehai Street, Songbei District, Harbin, Heilongjiang 150028, China
| | - Hai Jing Zhang
- Department of Pharmacology, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150040, China
| | - Qiang Zhang
- Academy of Chinese Materia Medica, Wenzhou Medical College, Wenzhou, Zhejiang 325035, China
| | - Xiao Bo Sun
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science, Peking Union Medical College, No. 151, North Road Malianwa, Haidian District, Beijing 100094, China
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23
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Comparative evaluation of torasemide and furosemide on rats with streptozotocin-induced diabetic nephropathy. Exp Mol Pathol 2014; 97:137-43. [DOI: 10.1016/j.yexmp.2014.06.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Accepted: 06/20/2014] [Indexed: 11/18/2022]
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24
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Schunke KJ, Coyle L, Merrill GF, Denhardt DT. Acetaminophen attenuates doxorubicin-induced cardiac fibrosis via osteopontin and GATA4 regulation: reduction of oxidant levels. J Cell Physiol 2013; 228:2006-14. [PMID: 23526585 PMCID: PMC3739938 DOI: 10.1002/jcp.24367] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Accepted: 03/14/2013] [Indexed: 01/07/2023]
Abstract
It is well documented in animal and human studies that therapy with the anti-cancer drug doxorubicin (DOX) induces fibrosis, cardiac dysfunction, and cell death. The most widely accepted mechanism of cardiac injury is through production of reactive oxygen species (ROS), which cause mitochondrial damage, sarcomere structural alterations, and altered gene expression in myocytes and fibroblasts. Here we investigated the effects of acetaminophen (APAP, N-acetyl-para-aminophenol) on DOX-induced cardiac injury and fibrosis in the presence or absence of osteopontin (OPN). H9c2 rat heart-derived embryonic myoblasts were exposed to increasing concentrations of DOX ± APAP; cell viability, oxidative stress, and OPN transcript levels were analyzed. We found a dose-dependent decrease in cell viability and a corresponding increase in intracellular oxidants at the tested concentrations of DOX. These effects were attenuated in the presence of APAP. RT-PCR analysis revealed a small increase in OPN transcript levels in response to DOX, which was suppressed by APAP. When male 10-12-week-old mice (OPN(+/+) or OPN(-/-)) were given weekly injections of DOX ± APAP for 4 weeks there was substantial cardiac fibrosis in OPN(+/+) and, to a lesser extent, in OPN(-/-) mice. In both groups, APAP decreased fibrosis to near baseline levels. Activity of the pro-survival GATA4 transcription factor was diminished by DOX in both mouse genotypes, but retained baseline activity in the presence of APAP. These effects were mediated, in part, by the ability of APAP, acting as an anti-inflammatory agent, to decrease intracellular ROS levels, consequently diminishing the injury-induced increase in OPN levels.
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Affiliation(s)
- Kathryn J Schunke
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ, USA
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25
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Mazevet M, Moulin M, Llach-Martinez A, Chargari C, Deutsch E, Gomez AM, Morel E. Complications of chemotherapy, a basic science update. Presse Med 2013; 42:e352-61. [PMID: 23972551 DOI: 10.1016/j.lpm.2013.06.011] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2013] [Accepted: 06/12/2013] [Indexed: 11/25/2022] Open
Abstract
Anthracyclines, discovered 50 years ago, are antibiotics widely used as antineoplastic agents and are among the most successful anticancer therapies ever developed to treat a wide range of cancers, including hematological malignancies, soft tissue sarcomas and solid tumors. However, some anthracyclines, including doxorubicin, exhibit major signs of cardiotoxicity that may ultimately lead to heart failure (HF). Despite intensive research on doxorubicine-induced cardiotoxicity, the underlying mechanisms responsible for doxorubicin-induced cardiotoxicity have not been fully elucidated yet. Published literature so far has focused mostly on mitochondria dysfunction with consequent oxidative stress, Ca(2+) overload, and cardiomyocyte death as doxorubicin side effects, leading to heart dysfunction. This review focuses on the current understanding of the molecular mechanisms underlying doxorubicin-induced cardiomyocyte death (i.e.: cardiomyocyte death, mitochondria metabolism and bioenergetic alteration), but we will also point to new directions of possible mechanisms, suggesting potent prior or concomitant alterations of specific signaling pathways with molecular actors directly targeted by the anticancer drugs itself (i.e. calcium homeostasis or cAMP signaling cascade). The mechanisms of anticancer cardiac toxicity may be more complex than just mitochondria dysfunction. Partnership of both basic and clinical research is needed to promote new strategies in diagnosis, therapies with concomitant cardioprotection in order to achieve cancer treatment with acceptable cardiotoxicity along life span.
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Affiliation(s)
- Marianne Mazevet
- Inserm UMR-S 769, LabEx Lermit-DHU Torino, université Paris-Sud, faculté de pharmacie, signalisation et physiopathologie cardiaque, 92296 Châtenay-Malabry cedex, France
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26
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Sun J, Sun G, Meng X, Wang H, Luo Y, Qin M, Ma B, Wang M, Cai D, Guo P, Sun X. Isorhamnetin protects against doxorubicin-induced cardiotoxicity in vivo and in vitro. PLoS One 2013; 8:e64526. [PMID: 23724057 PMCID: PMC3665796 DOI: 10.1371/journal.pone.0064526] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Accepted: 04/15/2013] [Indexed: 12/21/2022] Open
Abstract
Doxorubicin (Dox) is an anthracycline antibiotic for cancer therapy with limited usage due to cardiotoxicity. Isorhamnetin is a nature antioxidant with obvious cardiac protective effect. The aim of this study is going to investigate the possible protective effect of isorhamnetin against Dox-induced cardiotoxicity and its underlying mechanisms. In an in vivo investigation, rats were intraperitoneally (i.p.) administered with Dox to duplicate the model of Dox-induced chronic cardiotoxicity. Daily pretreatment with isorhamnetin (5 mg/kg, i.p.) for 7 days was found to reduce Dox-induced myocardial damage significantly, including the decline of cardiac index, decrease in the release of serum cardiac enzymes and amelioration of heart vacuolation. In vitro studies on H9c2 cardiomyocytes, isorhamnetin was effective to reduce Dox-induced cell toxicity. A further mechanism study indicated that isorhamnetin pretreatment can counteract Dox-induced oxidative stress and suppress the activation of mitochondrion apoptotic pathway and mitogen-activated protein kinase pathway. Isorhamnetin also potentiated the anti-cancer activity of Dox in MCF-7, HepG2 and Hep2 cells. These findings indicated that isorhamnetin can be used as an adjuvant therapy for the long-term clinical use of Dox.
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Affiliation(s)
- Jing Sun
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P. R. China
| | - Guibo Sun
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P. R. China
| | - Xiangbao Meng
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P. R. China
| | - Hongwei Wang
- Center for Translational Medicine and Jiangsu Key Laboratory of Molecular Medicine, Medical School of Nanjing University, Nanjing, Jiangsu, P. R. China
| | - Yun Luo
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P. R. China
| | - Meng Qin
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P. R. China
| | - Bo Ma
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P. R. China
| | - Min Wang
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P. R. China
| | - Dayong Cai
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P. R. China
| | - Peng Guo
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P. R. China
| | - Xiaobo Sun
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P. R. China
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27
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Arumugam S, Thandavarayan RA, Veeraveedu PT, Nakamura T, Arozal W, Sari FR, Giridharan VV, Soetikno V, Palaniyandi SS, Harima M, Suzuki K, Nagata M, Kodama M, Watanabe K. Beneficial effects of edaravone, a novel antioxidant, in rats with dilated cardiomyopathy. J Cell Mol Med 2013; 16:2176-85. [PMID: 22268705 PMCID: PMC3822987 DOI: 10.1111/j.1582-4934.2012.01526.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Edaravone, a novel antioxidant, acts by trapping hydroxyl radicals, quenching active oxygen and so on. Its cardioprotective activity against experimental autoimmune myocarditis (EAM) was reported. Nevertheless, it remains to be determined whether edaravone protects against cardiac remodelling in dilated cardiomyopathy (DCM). The present study was undertaken to assess whether edaravone attenuates myocardial fibrosis, and examine the effect of edaravone on cardiac function in rats with DCM after EAM. Rat model of EAM was prepared by injection with porcine cardiac myosin 28 days after immunization, we administered edaravone intraperitoneally at 3 and 10 mg/kg/day to rats for 28 days. The results were compared with vehicle-treated rats with DCM. Cardiac function, by haemodynamic and echocardiographic study and histopathology were performed. Left ventricular (LV) expression of NADPH oxidase subunits (p47phox, p67phox, gp91phox and Nox4), fibrosis markers (TGF-β1 and OPN), endoplasmic reticulum (ER) stress markers (GRP78 and GADD 153) and apoptosis markers (cytochrome C and caspase-3) were measured by Western blotting. Edaravone-treated DCM rats showed better cardiac function compared with those of the vehicle-treated rats. In addition, LV expressions of NADPH oxidase subunits levels were significantly down-regulated in edaravone-treated rats. Furthermore, the number of collagen-III positive cells in the myocardium of edaravone-treated rats was lower compared with those of the vehicle-treated rats. Our results suggest that edaravone ameliorated the progression of DCM by modulating oxidative and ER stress-mediated myocardial apoptosis and fibrosis.
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Affiliation(s)
- Somasundaram Arumugam
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata City, Japan
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28
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Ma J, Wang Y, Zheng D, Wei M, Xu H, Peng T. Rac1 signalling mediates doxorubicin-induced cardiotoxicity through both reactive oxygen species-dependent and -independent pathways. Cardiovasc Res 2012; 97:77-87. [PMID: 23027656 DOI: 10.1093/cvr/cvs309] [Citation(s) in RCA: 98] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
AIMS Doxorubicin causes damage to the heart, often leading to irreversible cardiomyopathy, which is fatal. Reactive oxygen species (ROS) or oxidative stress is involved in cardiomyocyte death, contributing to doxorubicin-induced cardiotoxicity. This study investigated the role of Rac1, an important subunit of NADPH oxidase, in doxorubicin-induced cardiotoxicity and the underlying mechanisms. METHODS AND RESULTS In a mouse model of acute doxorubicin-induced cardiotoxicity, cardiomyocyte-specific deletion of Rac1 inhibited NADPH oxidase activation and ROS production, prevented cardiac cell death, and improved myocardial function in Rac1 knockout mice. Therapeutic administration of the specific Rac1 inhibitor NSC23766 achieved similar cardio-protective effects in doxorubicin-stimulated mice. In rat cardiomyoblasts (H9c2 cells) and cultured neonatal mouse cardiomyocytes, Rac1 inhibition attenuated apoptosis as evidenced by decreases in caspase-3 activity and DNA fragmentation in response to doxorubicin, which correlated with a reduction in ROS production and down-regulation of p53 acetylation and histone H2AX phosphorylation. In contrast, overexpression of Rac1 enhanced apoptosis. Doxorubicin also inhibited the activity of classical histone deacetylases (HDAC), which was preserved by Rac1 inhibition and further decreased by Rac1 overexpression. Interestingly, scavenging ROS mitigated apoptosis but did not change HDAC activity and p53 acetylation stimulated by doxorubicin, suggesting both ROS-dependent and -independent pathways are involved in Rac1-mediated cardiotoxicity. Furthermore, the HDAC inhibitor trichostatin A enhanced apoptosis, p53 acetylation and H2AX phosphorylation in doxorubicin-treated cardiomyocytes. CONCLUSIONS Rac1 signalling contributes to doxorubicin-induced cardiotoxicity through both a ROS-dependent mechanism and ROS-independent HDAC/p53 signalling in cardiomyocytes. Thus, inhibition of Rac1 may be a useful therapy for doxorubicin-induced cardiotoxicity.
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Affiliation(s)
- Jian Ma
- Department of Cardiology, Shanghai 6th People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200233, China
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29
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Arumugam S, Thandavarayan RA, Veeraveedu PT, Giridharan VV, Soetikno V, Harima M, Suzuki K, Nagata M, Tagaki R, Kodama M, Watanabe K. Involvement of AMPK and MAPK signaling during the progression of experimental autoimmune myocarditis in rats and its blockade using a novel antioxidant. Exp Mol Pathol 2012; 93:183-9. [PMID: 22542793 DOI: 10.1016/j.yexmp.2012.04.012] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2012] [Revised: 03/21/2012] [Accepted: 04/10/2012] [Indexed: 01/05/2023]
Abstract
There are various reports suggesting the role of angiotensin (Ang) receptor blockers, Ang converting enzyme inhibitors, calcium channel blockers, diuretics and antioxidants against the progression of experimental autoimmune myocarditis (EAM) to dilated cardiomyopathy (DCM). Most of them were reported to be effective during this adverse cardiac remodeling. Recently much attention has been paid to studying the involvement of AMP-activated protein kinase (AMPK) and mitogen activated protein kinase (MAPK) in various cardiovascular ailments. AMPK acts as a master sensor of cellular energy balance via maintenance of lipid and glucose metabolism. Evidences also suggest the relation between AMPK and oxidative stress during physiological and pathological myocardial cellular function. Since, it is of interest to identify the roles of AMPK and MAPK during the progression of EAM to DCM and also the effect of edaravone, a novel free radical scavenger, against its progression. For this, we have carried out western blotting, histopathological staining and immunohistochemical analyses to measure the myocardial expressions of AMPK signaling and oxidative stress related parameters in normal and vehicle or edaravone-treated EAM rats, respectively. We identified the myocardial levels of phospho Akt and phosphoinositide 3-kinase, which are the upstream proteins of AMPK and MAPK activation and both were up-regulated in the vehicle-treated rats, whereas candesartan treatment significantly reversed these changes. We have also measured the myocardial levels of p-AMPKα, different isoforms of protein kinase C and MAPK signaling proteins. All of these protein levels were significantly elevated in the hearts of DCM rats whereas edaravone treatment significantly reversed these changes. In viewing these results, we can suggest that along with MAPK, AMPK signaling also plays a crucial role in the progression of EAM and it can be effectively blocked by the treatment with a novel antioxidant, edaravone.
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Affiliation(s)
- Somasundaram Arumugam
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata City 956-8603, Japan
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Mitochondria death/survival signaling pathways in cardiotoxicity induced by anthracyclines and anticancer-targeted therapies. Biochem Res Int 2012; 2012:951539. [PMID: 22482055 PMCID: PMC3318211 DOI: 10.1155/2012/951539] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2011] [Revised: 01/04/2012] [Accepted: 01/09/2012] [Indexed: 01/27/2023] Open
Abstract
Anthracyclines remain the cornerstone of treatment in many malignancies but these agents have a cumulative dose relationship with cardiotoxicity. Development of cardiomyopathy and congestive heart failure induced by anthracyclines are typically dose-dependent, irreversible, and cumulative. Although past studies of cardiotoxicity have focused on anthracyclines, more recently interest has turned to anticancer drugs that target many proteins kinases, such as tyrosine kinases. An attractive model to explain the mechanism of this cardiotoxicity could be myocyte loss through cell death pathways. Inhibition of mitochondrial transition permeability is a valuable tool to prevent doxorubicin-induced cardiotoxicity. In response to anthracycline treatment, activation of several protein kinases, neuregulin/ErbB2 signaling, and transcriptional factors modify mitochondrial functions that determine cell death or survival through the modulation of mitochondrial membrane permeability. Cellular response to anthracyclines is also modulated by a myriad of transcriptional factors that influence cell fate. Several novel targeted chemotherapeutic agents have been associated with a small but worrying risk of left ventricular dysfunction. Agents such as trastuzumab and tyrosine kinase inhibitors can lead to cardiotoxicity that is fundamentally different from that caused by anthracyclines, whereas biological effects converge to the mitochondria as a critical target.
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Modulation of AT-1R/AMPK-MAPK cascade plays crucial role for the pathogenesis of diabetic cardiomyopathy in transgenic type 2 diabetic (Spontaneous Diabetic Torii) rats. Biochem Pharmacol 2012; 83:653-60. [DOI: 10.1016/j.bcp.2011.11.018] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2011] [Revised: 11/19/2011] [Accepted: 11/21/2011] [Indexed: 02/08/2023]
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Arumugam S, Thandavarayan RA, Arozal W, Sari FR, Giridharan VV, Soetikno V, Palaniyandi SS, Harima M, Suzuki K, Nagata M, Tagaki R, Kodama M, Watanabe K. Quercetin offers cardioprotection against progression of experimental autoimmune myocarditis by suppression of oxidative and endoplasmic reticulum stress via endothelin-1/MAPK signalling. Free Radic Res 2012; 46:154-63. [PMID: 22145946 DOI: 10.3109/10715762.2011.647010] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
In order to test the hypothesis that treatment with quercetin at a dose of 10 mg/kg protects from the progression of experimental autoimmune myocarditis (EAM) to dilated cardiomyopathy (DCM), we have used the rat model of EAM induced by porcine cardiac myosin. Our results identified that the post-myocarditis rats suffered from elevated endoplasmic reticulum (ER) stress and adverse cardiac remodelling in the form of myocardial fibrosis, whereas the rats treated with quercetin have been protected from these changes as evidenced by the decreased myocardial levels of ER stress and fibrosis markers when compared with the vehicle-treated DCM rats. In addition, the myocardial dimensions and cardiac function were preserved significantly in the quercetin-treated rats in comparison with the DCM rats treated with vehicle alone. Interestingly, the rats treated with quercetin showed significant suppression of the myocardial endothelin-1 and also the mitogen activated protein kinases (MAPK) suggesting that the protection offered by quercetin treatment against progression of EAM involves the modulation of MAPK signalling cascade. Collectively, the present study provides data to support the role of quercetin in protecting the hearts of the rats with post myocarditis DCM.
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Affiliation(s)
- Somasundaram Arumugam
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata City, Japan
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Lakshmanan AP, Thandavarayan RA, Watanabe K, Sari FR, Meilei H, Giridharan VV, Sukumaran V, Soetikno V, Arumugam S, Suzuki K, Kodama M. Modulation of AT-1R/MAPK cascade by an olmesartan treatment attenuates diabetic nephropathy in streptozotocin-induced diabetic mice. Mol Cell Endocrinol 2012; 348:104-11. [PMID: 21827824 DOI: 10.1016/j.mce.2011.07.041] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2011] [Revised: 07/20/2011] [Accepted: 07/22/2011] [Indexed: 10/17/2022]
Abstract
There is increasing evidence that angiotensin (Ang)-II plays an unprecedented role in diabetic complications. It could also be an important therapeutic target for ameliorating various diseases, especially diabetic nephropathy (DN). We therefore studied the beneficial effects of olmesartan, an Ang-II type 1 receptor (AT-1R) blocker in streptozotocin (150 mg/kg, BW)-induced diabetic kidney disease in mice. The diabetic kidney mice displayed upregulated protein expression levels of AT-1R, AT-2R, ERK-1/2, p-p38 MAPK, p-MAPKAPK-2, ET-1, p-JNK, p-c-Jun, TGF-β1, and gp91-phox, and all of these effects were expectedly downregulated by an olmesartan treatment. Also, immunohistochemical analysis, and Azan-Mallory and HE staining were performed to examine the expression of collagen-III and fibronectin, renal fibrosis, and hypertrophy, respectively. Furthermore, olmesartan treatment significantly abrogated the downregulation of ACE-2 and Ang-(1-7) mas R protein expression in diabetic kidney mice. Considering all these findings together, the AT-1R/MAPK pathway might be a potential therapeutic target in diabetes kidney disease, and olmesartan treatment could have beneficial effects on DN by modulating the AT-1R/MAPK pathway.
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Affiliation(s)
- Arun Prasath Lakshmanan
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata City 956-8603, Japan
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Arumugam S, Thandavarayan RA, Palaniyandi SS, Giridharan VV, Arozal W, Sari FR, Soetikno V, Harima M, Suzuki K, Kodama M, Watanabe K. Candesartan cilexetil protects from cardiac myosin induced cardiotoxicity via reduction of endoplasmic reticulum stress and apoptosis in rats: Involvement of ACE2-Ang (1–7)-mas axis. Toxicology 2012; 291:139-45. [DOI: 10.1016/j.tox.2011.11.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2011] [Revised: 11/12/2011] [Accepted: 11/14/2011] [Indexed: 12/16/2022]
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Arumugam S, Thandavarayan RA, Veeraveedu PT, Ma M, Giridharan VV, Arozal W, Sari FR, Sukumaran V, Lakshmanan A, Soetikno V, Suzuki K, Kodama M, Watanabe K. Modulation of endoplasmic reticulum stress and cardiomyocyte apoptosis by mulberry leaf diet in experimental autoimmune myocarditis rats. J Clin Biochem Nutr 2011; 50:139-44. [PMID: 22448095 PMCID: PMC3303476 DOI: 10.3164/jcbn.11-44] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2011] [Accepted: 05/21/2011] [Indexed: 11/24/2022] Open
Abstract
Mulberry is commonly used as silkworm diet and an alternative medicine in Japan and China, has recently reported to contain many antioxidative flavanoid compounds and having the free radical scavenging effects. Antioxidants reduce cardiac oxidative stress and attenuate cardiac dysfunction in animals with pacing-induced congestive heart failure. Hence we investigated the cardioprotective effect of mulberry leaf powder in rats with experimental autoimmune myocarditis. Eight-week-old Lewis rats immunized with cardiac myosin were fed with either normal chow or a diet containing 5% mulberry leaf powder and were examined on day 21. ML significantly decreased oxidative stress, myocyte apoptosis, cellular infiltration, cardiac fibrosis, mast cell density, myocardial levels of sarco/endo-plasmic reticulum Ca2+ ATPase2, p22phox, receptor for advanced glycation end products, phospho-p38 mitogen activated protein kinase, phospho-c-Jun NH2-terminal protein kinase, glucose regulated protein78, caspase12 and osteopontin levels in EAM rats. These results may suggest that mulberry diet can preserve the cardiac function in experimental autoimmune myocarditis by modulating oxidative stress induced MAPK activation and further afford protection against endoplasmic reticulum stress mediated apoptosis.
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Affiliation(s)
- Somasundaram Arumugam
- Department of Clinical Pharmacology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1 Higashizima, Akiha-ku, Niigata 956-8603, Japan
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Giridharan VV, Thandavarayan RA, Bhilwade HN, Ko KM, Watanabe K, Konishi T. Schisandrin B, attenuates cisplatin-induced oxidative stress, genotoxicity and neurotoxicity through modulating NF-κB pathway in mice. Free Radic Res 2011; 46:50-60. [DOI: 10.3109/10715762.2011.638291] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Abstract
Apoptosis is a tightly regulated physiologic process of programmed cell death that occurs in both normal and pathologic tissues. Numerous in vitro or in vivo studies have indicated that cardiomyocyte death through apoptosis and necrosis is a primary contributor to the progression of anthracycline-induced cardiomyopathy. There are now several pieces of evidence to suggest that activation of intrinsic and extrinsic apoptotic pathways contribute to anthracycline-induced apoptosis in the heart. Novel strategies were developed to address a wide variety of cardiotoxic mechanisms and apoptotic pathways by which anthracycline influences cardiac structure and function. Anthracycline-induced apoptosis provides a very valid representation of cardiotoxicity in the heart, an argument which has implications for the most appropriate animal models of damaged heart plus diverse pharmacological effects. In this review we describe various aspects of the current understanding of apoptotic cell death triggered by anthracycline. Differences in the sensitivity to anthracycline-induced apoptosis between young and adult hearts are also discussed.
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Affiliation(s)
- Jianjian Shi
- Riley Heart Research Center, Wells Center for Pediatric Research, Department of Pediatrics Indiana University, School of Medicine, Indianapolis, Indiana, USA
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Lakshmanan AP, Thandavarayan RA, Palaniyandi SS, Sari FR, Meilei H, Giridharan VV, Soetikno V, Suzuki K, Kodama M, Watanabe K. Modulation of AT-1R/CHOP-JNK-Caspase12 pathway by olmesartan treatment attenuates ER stress-induced renal apoptosis in streptozotocin-induced diabetic mice. Eur J Pharm Sci 2011; 44:627-34. [PMID: 22033153 DOI: 10.1016/j.ejps.2011.10.009] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2011] [Revised: 10/03/2011] [Accepted: 10/11/2011] [Indexed: 01/01/2023]
Abstract
There is evidence that the activation of renal angiotensin (Ang)-II plays a critical role in the pathogenesis of diabetic kidney diseases (DN) via the ER stress-induced renal apoptosis. Since, the potential negative role of Ang-II in the pathogenesis of ER stress-mediated apoptosis is poorly understood; we evaluated whether treatment of mice with AT-1R specific blocker, olmesartan is associated with the reduction of ER stress-induced renal apoptosis in streptozotocin (STZ)-induced diabetic animal model. We employed western blot analysis to measure the renal protein expressions level of NADPH oxidase subunits, ER chaperone GRP78 and the ER-associated apoptosis proteins. Furthermore, TUNEL staining was used to measure the renal apoptosis. Additionally, dihydroethidium staining and TBARS assay, and immunohistochemistry were performed to measure the renal superoxide radical production and lipid peroxidation, and activation of an Ang-II, respectively. The diabetic kidney mice were found to have increased protein expressions of NADPH oxidase subunits, GRP78 and ER-associated apoptosis proteins, such as TRAF2, IRE-1α, CHOP, p-JNK and procaspase-12, in comparison to normal mice, and which were significantly blunted by the olmesartan treatment in diabetic kidney mice. Furthermore, the diabetic kidney mice were found to have significant increment in renal apoptosis, superoxide radical production, MDA level and activation of an Ang-II and which were also attenuated by the olmesartan treatment. Considering all the findings, it is suggested that the AT-1R specific blocker-olmesartan treatment could be a potential therapy in treating ER stress-induced renal apoptosis via the modulation of AT-1R/CHOP-JNK-Caspase12 pathway in STZ-induced diabetic mice.
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Affiliation(s)
- Arun Prasath Lakshmanan
- Department of Clinical Pharmacology, Niigata University of Pharmacy and Applied Life Sciences, Japan
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Mito S, Thandavarayan RA, Ma M, Lakshmanan A, Suzuki K, Kodama M, Watanabe K. Inhibition of cardiac oxidative and endoplasmic reticulum stress-mediated apoptosis by curcumin treatment contributes to protection against acute myocarditis. Free Radic Res 2011; 45:1223-31. [DOI: 10.3109/10715762.2011.607252] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Sari FR, Widyantoro B, Thandavarayan RA, Harima M, Lakshmanan AP, Zhang S, Muslin AJ, Suzuki K, Kodama M, Watanabe K. Attenuation of CHOP-mediated myocardial apoptosis in pressure-overloaded dominant negative p38α mitogen-activated protein kinase mice. Cell Physiol Biochem 2011; 27:487-96. [PMID: 21691066 DOI: 10.1159/000329970] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/02/2011] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND/AIMS Pressure overload stimulation is known to elicit disturbances in the endoplasmic reticulum (ER), which leads to ER stress (ERS). p38 mitogen-activated protein kinase (MAPK) plays an important role in mediating apoptotic processes, however, the roles of this kinase in activating ERS-initiated apoptosis in pressure-overloaded hearts are largely unknown. METHODS We clarified the role of p38α MAPK in ERS-associated apoptosis by subjecting transgenic mice displaying cardiac specific dominant negative (DN) mutant p38α MAPK over-expression to seven day pressure overload. RESULTS Seven days pressure overload resulted in the same extent of cardiac hypertrophy and ERS in the wild-type (WT) and DN p38α mice compared with the sham mice. It also activated inositol-requiring enzyme (Ire)-1α and its downstream molecule, tumor necrosis factor receptor (TNFR)-associated factor (TRAF)2 in the WT and DN p38α mice compared with the sham mice. Interestingly, increased myocardial apoptosis and the up-regulation of CCAAT/enhancer binding protein homology protein (CHOP) expression compared with those in the sham mice were found in the aortic-banded WT mice, but not in the DN p38α mice. CONCLUSION Partial inhibition of p38α protein blocked the activation of CHOP-mediated apoptotic processes during pressure overload by partially inhibiting signaling from the Ire-1α/TRAF2 to its down-stream molecule, CHOP.
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Affiliation(s)
- Flori R Sari
- Department of Clinical Pharmacology, Niigata University of Pharmacy and Applied Life Sciences, Higashijima, Niigata City, Japan
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Lakshmanan AP, Watanabe K, Thandavarayan RA, Sari FR, Harima M, Giridharan VV, Soetikno V, Kodama M, Aizawa Y. Telmisartan attenuates oxidative stress and renal fibrosis in streptozotocin induced diabetic mice with the alteration of angiotensin-(1–7)masreceptor expression associated with its PPAR-γ agonist action. Free Radic Res 2011; 45:575-84. [DOI: 10.3109/10715762.2011.560149] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Thandavarayan RA, Giridharan VV, Sari FR, Arumugam S, Veeraveedu PT, Pandian GN, Palaniyandi SS, Ma M, Suzuki K, Gurusamy N, Watanabe K. Depletion of 14-3-3 Protein Exacerbates Cardiac Oxidative Stress, Inflammation and Remodeling Process via Modulation of MAPK/NF-ĸB Signaling Pathways after Streptozotocin-induced Diabetes Mellitus. Cell Physiol Biochem 2011; 28:911-22. [DOI: 10.1159/000335805] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/26/2011] [Indexed: 11/19/2022] Open
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