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Chen J, Xu X, Shao Y, Bian X, Li R, Zhang Y, Xiao Y, Lu M, Jiang Q, Zeng Y, Yan F, Ye J, Li Z. AKT2 deficiency alleviates doxorubicin-induced cardiac injury via alleviating oxidative stress in cardiomyocytes. Int J Biochem Cell Biol 2024; 169:106539. [PMID: 38290690 DOI: 10.1016/j.biocel.2024.106539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 01/17/2024] [Accepted: 01/23/2024] [Indexed: 02/01/2024]
Abstract
Doxorubicin (DOX), a widely used chemotherapy agent in cancer treatment, encounters limitations in clinical efficacy due to associated cardiotoxicity. This study aims to explore the role of AKT serine/threonine kinase 2 (AKT2) in mitigating DOX-induced oxidative stress within the heart through both intracellular and extracellular signaling pathways. Utilizing Akt2 knockout (KO) and Nrf2 KO murine models, alongside neonatal rat cardiomyocytes (NRCMs), we systematically investigate the impact of AKT2 deficiency on DOX-induced cardiac injury. Our findings reveal that DOX administration induces significant oxidative stress, a primary contributor to cardiac injury. Importantly, Akt2 deficiency exhibits a protective effect by alleviating DOX-induced oxidative stress. Mechanistically, Akt2 deficiency facilitates nuclear translocation of NRF2, thereby suppressing intracellular oxidative stress by promoting the expression of antioxidant genes. Furthermore, We also observed that AKT2 inhibition facilitates superoxide dismutase 2 (SOD2) expression both inside macrophages and SOD2 secretion to the extracellular matrix, which is involved in lowering oxidative stress in cardiomyocytes upon DOX stimulation. The present study underscores the important role of AKT2 in mitigating DOX-induced oxidative stress through both intracellular and extracellular signaling pathways. Additionally, our findings propose promising therapeutic strategies for addressing DOX-induced cardiomyopathy in clinic.
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Affiliation(s)
- Jiawen Chen
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Research Center of Biostatistics and Computational Pharmacy, China Pharmaceutical University, Nanjing 210009, China; School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, China
| | - Xiaozhi Xu
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, China
| | - Yuru Shao
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, China
| | - Xiaohong Bian
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, China
| | - Ruiyan Li
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, China
| | - Yubin Zhang
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, China
| | - Yibei Xiao
- Department of Pharmacology, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Meiling Lu
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, China
| | - Qizhou Jiang
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, China
| | - Yuan Zeng
- Clinical Pharmacology and Bioanalytics, Pfizer (China) Research and Development Co., Ltd, China
| | - Fangrong Yan
- Research Center of Biostatistics and Computational Pharmacy, China Pharmaceutical University, Nanjing 210009, China.
| | - Junmei Ye
- School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, China.
| | - Zhe Li
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Cardiovascular research Institute, Wuhan University, Wuhan 430060, China.
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2
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Badibostan H, Eizadi-Mood N, Hayes AW, Karimi G. Protective effects of natural compounds against paraquat-induced pulmonary toxicity: the role of the Nrf2/ARE signaling pathway. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024; 34:611-624. [PMID: 36682065 DOI: 10.1080/09603123.2022.2163985] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 12/27/2022] [Indexed: 06/17/2023]
Abstract
Paraquat (PQ) is a toxic herbicide to humans. Once absorbed, it accumulates in the lungs. PQ has been well documented that the generation of reactive oxygen species (ROS) is the main mechanism of its toxicity. Oxidative damage of PQ in lungs is represented as generation of cytotoxic and fibrotic mediators, interruption of epithelial and endothelial barriers, and inflammatory cell infiltration. No effective treatment for PQ toxicity is currently available. Several studies have shown that natural compounds (NCs) have the potential to alleviate PQ-induced pulmonary toxicity, due to their antioxidant and anti-inflammatory effects. NCs function as protective agents through stimulation of nuclear factor erythroid 2-related factor 2 (Nrf2)/antioxidant response element (ARE) signaling pathways. Elevation of Nrf2 levels leads to the expression of its downstream enzymes such as SOD, CAT, and HO-1. The hypothesized role of the Nrf2/ARE signaling pathway as the protective mechanism of NCs against PQ-induced pulmonary toxicity is reviewed.
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Affiliation(s)
- Hasan Badibostan
- Isfahan Clinical Toxicology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nastaran Eizadi-Mood
- Isfahan Clinical Toxicology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - A Wallace Hayes
- Center for Environmental Occupational Risk Analysis and Management, College of Public Health, University of South Florida, Tampa, FL, USA
- Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, USA
| | - Gholamreza Karimi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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3
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Zhou N, Wei S, Sun T, Xie S, Liu J, Li W, Zhang B. Recent progress in the role of endogenous metal ions in doxorubicin-induced cardiotoxicity. Front Pharmacol 2023; 14:1292088. [PMID: 38143497 PMCID: PMC10748411 DOI: 10.3389/fphar.2023.1292088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 11/28/2023] [Indexed: 12/26/2023] Open
Abstract
Doxorubicin is a widely used anticancer drug in clinical practice for the treatment of various human tumors. However, its administration is associated with cardiotoxicity. Administration of doxorubicin with low side effects for cancer treatment and prevention are, accordingly, urgently required. The human body harbors various endogenous metal ions that exert substantial influences. Consequently, extensive research has been conducted over several decades to investigate the potential of targeting endogenous metal ions to mitigate doxorubicin's side effects and impede tumor progression. In recent years, there has been a growing body of research indicating the potential efficacy of metal ion-associated therapeutic strategies in inhibiting doxorubicin-induced cardiotoxicity (DIC). These strategies offer a combination of favorable safety profiles and potential clinical utility. Alterations in intracellular levels of metal ions have been found to either facilitate or mitigate the development of DIC. For instance, ferroptosis, a cellular death mechanism, and metal ions such as copper, zinc, and calcium have been identified as significant contributors to DIC. This understanding can contribute to advancements in cancer treatment and provide valuable insights for mitigating the cardiotoxic effects of other therapeutic drugs. Furthermore, potential therapeutic strategies have been investigated to alleviate DIC in clinical settings. The ultimate goal is to improve the efficacy and safety of Dox and offer valuable insights for future research in this field.
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Affiliation(s)
- Ni Zhou
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Institute of Clinical Pharmacy, Central South University, Changsha, Hunan, China
- School of Pharmacy, Central South University, Changsha, Hunan, China
| | - Shanshan Wei
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Institute of Clinical Pharmacy, Central South University, Changsha, Hunan, China
| | - Taoli Sun
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Suifen Xie
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Institute of Clinical Pharmacy, Central South University, Changsha, Hunan, China
- School of Pharmacy, Central South University, Changsha, Hunan, China
| | - Jian Liu
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Institute of Clinical Pharmacy, Central South University, Changsha, Hunan, China
| | - Wenqun Li
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Institute of Clinical Pharmacy, Central South University, Changsha, Hunan, China
| | - Bikui Zhang
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Institute of Clinical Pharmacy, Central South University, Changsha, Hunan, China
- School of Pharmacy, Central South University, Changsha, Hunan, China
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4
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Yu D, Li J, Wang Y, Guo D, Zhu C, Sun B, Zhou Z. Oridonin ameliorates doxorubicin induced-cardiotoxicity via the E2F1/Sirt6/PGC1α pathway in mice. Food Chem Toxicol 2023; 181:114050. [PMID: 37734463 DOI: 10.1016/j.fct.2023.114050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 09/01/2023] [Accepted: 09/18/2023] [Indexed: 09/23/2023]
Abstract
Doxorubicin induced cardiotoxicity (DIC) arises from mitochondrial dysfunction and oxidative stress. Oridonin (Ori), a natural tetracycline diterpenoid, has shown cardiac protective effect; however, its role in DIC remains unclear. This study investigates the protective effect of Ori against DIC and elucidates its underlying molecular mechanisms. The results demonstrate that Ori significantly alleviated DIC by improving myocardial structure, reducing the proportion of apoptotic cells, and alleviating the myocardial oxidative damage and mitochondrial dysfunction both in vivo and in vitro. Doxorubicin significantly decreased Sirt6 and PGC1α levels in cardiac tissues, which was reversed by Ori. Furthermore, Sirt6 overexpression significantly improved myocardial structure and reduced the proportion of apoptotic cells by reducing oxidative stress and improving mitochondrial function. The protective effect of Ori is neutralized by the Sirt6 inhibitor OSS_128167, evidenced by downregulated mRNA and protein expression of PGC1α. The transcription factor E2F1 was upregulated by doxorubicin, leading to decreased Sirt6 expression-an effect mitigated by Ori. Molecular docking simulations indicate direct binding between Ori and specific amino acid residues on E2F1 through hydroxyl bonds. These findings uncover a novel mechanism whereby Ori attenuates DIC by modulating the E2F1/Sirt6/PGC1α pathway.
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Affiliation(s)
- Dongsheng Yu
- Department of Chinese Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000, China
| | - Jiye Li
- Department of Emergency, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000, China
| | - Yu Wang
- Department of Chinese Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000, China
| | - Danfeng Guo
- Henan Research Centre for Organ Transplantation, Zhengzhou, 450000, China; Henan Key Laboratory for Digestive Organ Transplantation, Zhengzhou, 450000, China
| | - Chunsheng Zhu
- Department of Chinese Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000, China
| | - Bao Sun
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, 410011, China.
| | - Zheng Zhou
- Department of Chinese Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000, China.
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5
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Li X. Doxorubicin-mediated cardiac dysfunction: Revisiting molecular interactions, pharmacological compounds and (nano)theranostic platforms. ENVIRONMENTAL RESEARCH 2023; 234:116504. [PMID: 37356521 DOI: 10.1016/j.envres.2023.116504] [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: 04/22/2023] [Revised: 06/17/2023] [Accepted: 06/23/2023] [Indexed: 06/27/2023]
Abstract
Although chemotherapy drugs are extensively utilized in cancer therapy, their administration for treatment of patients has faced problems that regardless of chemoresistance, increasing evidence has shown concentration-related toxicity of drugs. Doxorubicin (DOX) is a drug used in treatment of solid and hematological tumors, and its function is based on topoisomerase suppression to impair cancer progression. However, DOX can also affect the other organs of body and after chemotherapy, life quality of cancer patients decreases due to the side effects. Heart is one of the vital organs of body that is significantly affected by DOX during cancer chemotherapy, and this can lead to cardiac dysfunction and predispose to development of cardiovascular diseases and atherosclerosis, among others. The exposure to DOX can stimulate apoptosis and sometimes, pro-survival autophagy stimulation can ameliorate this condition. Moreover, DOX-mediated ferroptosis impairs proper function of heart and by increasing oxidative stress and inflammation, DOX causes cardiac dysfunction. The function of DOX in mediating cardiac toxicity is mediated by several pathways that some of them demonstrate protective function including Nrf2. Therefore, if expression level of such protective mechanisms increases, they can alleviate DOX-mediated cardiac toxicity. For this purpose, pharmacological compounds and therapeutic drugs in preventing DOX-mediated cardiotoxicity have been utilized and they can reduce side effects of DOX to prevent development of cardiovascular diseases in patients underwent chemotherapy. Furthermore, (nano)platforms are used comprehensively in treatment of cardiovascular diseases and using them for DOX delivery can reduce side effects by decreasing concentration of drug. Moreover, when DOX is loaded on nanoparticles, it is delivered into cells in a targeted way and its accumulation in healthy organs is prevented to diminish its adverse impacts. Hence, current paper provides a comprehensive discussion of DOX-mediated toxicity and subsequent alleviation by drugs and nanotherapeutics in treatment of cardiovascular diseases.
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Affiliation(s)
- Xiaofeng Li
- Department of Emergency, Shanghai Tenth People's Hospital, School of Medicine Tongji University, Shanghai, 200072, China.
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Wang L, Xia K, Han L, Zhang M, Fan J, Song L, Liao A, Wang W, Guo J. Local Administration of Ginkgolide B Using a Hyaluronan-Based Hydrogel Improves Wound Healing in Diabetic Mice. Front Bioeng Biotechnol 2022; 10:898231. [PMID: 35694224 PMCID: PMC9174682 DOI: 10.3389/fbioe.2022.898231] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 04/21/2022] [Indexed: 11/30/2022] Open
Abstract
The delayed and incomplete healing of diabetic wounds remains a major concern of global healthcare. The complex biological processes within the diabetic wound, such as chronic inflammation, impaired blood vessel growth and immature collagen remodeling, dramatically cause the failure of current treatments. Thus, emerging therapeutic strategies are highly desirable. Ginkgolide B (GB, a natural product extracted from the leaves of Ginkgo biloba L.) has been applied in the treatment of cerebrovascular and cardiovascular disorders, which is mainly due to the anti-oxidative, anti-inflammatory and proliferative effects. In this study, the role of GB in facilitating the anti-inflammatory and pro-healing effects on diabetic wounds was for the first time confirmed using in vitro, ex vivo and in vivo experimental methods. As a consequence, GB was able to significantly achieve the activities of anti-inflammation, re-epithelialization, and pro-angiogenesis. Previously, a hydrogel has been developed using the high molecular weight hyaluronan (hyaluronic acid, HA) in our laboratory. In this study, this hydrogel was utilized in vivo for local administration of GB to the full-thickness wounds of diabetic mice. The resultant hydrogel formulation (HA-GB) resulted in the reduction of inflammation, the enhancement of re-epithelialization and angiogenesis, and the modulation of collagens from type III to type I, significantly promoting the healing outcome as compared with a commercially available wound dressing product (INTRASITE Gel). This study confirms a great therapeutic promise of HA-GB for the chronic wounds of diabetic patients.
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Affiliation(s)
- Limei Wang
- Department of Pharmacy, Jilin Province FAW General Hospital, Changchun, China
| | - Kedi Xia
- Department of Pharmacy, Jilin Province FAW General Hospital, Changchun, China
| | - Lu Han
- Department of Medical Administration, Jilin Province FAW General Hospital, Changchun, China
| | - Min Zhang
- Department of Ophthalmology and Otorhinolaryngology, Jilin Province FAW General Hospital, Changchun, China
| | - Jihuan Fan
- Department of Education and Science Services, Jilin Province FAW General Hospital, Changchun, China
| | - Liu Song
- School of Pharmaceutical Sciences, Jilin University, Changchun, China
| | - Anqi Liao
- School of Pharmaceutical Sciences, Jilin University, Changchun, China
| | - Wenyu Wang
- Department of Thoracic Surgery, Jilin Province FAW General Hospital, Changchun, China,*Correspondence: Wenyu Wang, ; Jianfeng Guo,
| | - Jianfeng Guo
- School of Pharmaceutical Sciences, Jilin University, Changchun, China,*Correspondence: Wenyu Wang, ; Jianfeng Guo,
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7
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Lin M, Xiong W, Wang S, Li Y, Hou C, Li C, Li G. The Research Progress of Trastuzumab-Induced Cardiotoxicity in HER-2-Positive Breast Cancer Treatment. Front Cardiovasc Med 2022; 8:821663. [PMID: 35097033 PMCID: PMC8789882 DOI: 10.3389/fcvm.2021.821663] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 12/14/2021] [Indexed: 12/14/2022] Open
Abstract
In recent years, the incidence of breast cancer has been increasing on an annual basis. Human epidermal growth factor receptor-2 (HER-2) is overexpressed in 15-20% human breast cancers, which is associated with poor prognosis and a high recurrence rate. Trastuzumab is the first humanized monoclonal antibody against HER-2. The most significant adverse effect of trastuzumab is cardiotoxicity, which has become an important factor in limiting the safe use of the drug. Unfortunately, the mechanism causing this cardiotoxicity is still not completely understood, and the use of preventive interventions remains controversial. This article focuses on trastuzumab-induced cardiotoxicity, reviewing the clinical application, potential cardiotoxicity, mechanism and discussing the potential interventions through summarizing related researches over the past tens of years.
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Affiliation(s)
- Mengmeng Lin
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Weiping Xiong
- Department of Cardiology, Shanghai Putuo District Liqun Hospital, Shanghai, China
| | - Shiyuan Wang
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yingying Li
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Chunying Hou
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Chunyu Li
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Guohui Li
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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El-Bassiouny NA, Helmy MW, Hassan MAE, Khedr GA. THE CARDIOPROTECTIVE EFFECT OF VITAMIN D IN BREAST CANCER PATIENTS RECEIVING ADJUVANT DOXORUBICIN BASED CHEMOTHERAPY. Clin Breast Cancer 2022; 22:359-366. [PMID: 35241369 DOI: 10.1016/j.clbc.2022.01.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 12/28/2021] [Accepted: 01/18/2022] [Indexed: 12/31/2022]
Abstract
PURPOSE The primary objective of this study was to investigate the potential protective effect of Vitamin D (Vit D) on DOX induced cardio toxicity (DIC) in early breast cancer patients receiving adjuvant DOX based chemotherapy (AC). The secondary objective was to investigate the anti-inflammatory effect of Vit D by measuring serum IL-6 and its correlation with cardio toxicity. METHODS This study was carried out on 150 newly diagnosed women with breast cancer who were planned to receive four cycles of adjuvant AC chemotherapy regimen (60 mg/m2 DOX and 600 mg/m2 cyclophosphamide) every 21 days. Study patients were randomized 1:1 into a control group treated with AC and a Vit D group treated with AC plus 0.5 µg of Vit D (Bon One 0.5 µg) orally once daily during the whole treatment course. The cardio protective effect of Vit D was assessed by measuring serum levels of Lactate dehydrogenase (LDH), cardiac troponin T (cTnT), and anti-inflammatory Interleukin 6 (IL-6) at baseline, and after 4 cycles of AC in all study patients. RESULTS Vit D supplementation in Vit D group patients was associated with a significant decrease (P < 0.001) in serum levels of LDH, cTnT, and IL-6 compared to the control group . CONCLUSION The present work provides a promising clinical evidence to support the cardio protective effects of Vit D against DIC through attenuating the evoked pro-inflammatory cytokines induced by DOX.
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Affiliation(s)
- Noha A El-Bassiouny
- Department of Clinical Pharmacy and Pharmacy Practice, Faculty of Pharmacy, Damanhour University, Egypt.
| | - Maged W Helmy
- Department of Pharmacology and toxicology, Faculty of Pharmacy, Damanhour University, Egypt
| | - Mostafa Alaa Eldin Hassan
- Bachelor of Pharmaceutical Sciences, Faculty of Pharmacy, University of Alexandria, Alexandria, Egypt
| | - Gehan A Khedr
- Department of Clinical Oncology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
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Azam MA, Chakraborty P, Bokhari MM, Dadson K, Du B, Massé S, Si D, Niri A, Aggarwal AK, Lai PF, Riazi S, Billia F, Nanthakumar K. Cardioprotective effects of dantrolene in doxorubicin-induced cardiomyopathy in mice. Heart Rhythm O2 2021; 2:733-741. [PMID: 34988524 PMCID: PMC8710625 DOI: 10.1016/j.hroo.2021.08.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Doxorubicin (Dox) is a potent chemotherapeutic agent, but its usage is limited by dose-dependent cardiotoxicity. Intracellular calcium dysregulation has been reported to be involved in doxorubicin-induced cardiomyopathy (DICM). The cardioprotective role of RyR stabilizer dantrolene (Dan) on the calcium dynamics of DICM has not yet been explored. OBJECTIVE To evaluate the effects of dantrolene on intracellular calcium dysregulation and cardiac contractile function in a DICM model. METHODS Adult male C57BL/6 mice were randomized into 4 groups: (1) Control, (2) Dox Only, (3) Dan Only, and (4) Dan + Dox. Fractional shortening (FS) and left ventricular ejection fraction (LVEF) were assessed by echocardiography. In addition, mice were sacrificed 2 weeks after doxorubicin injection for optical mapping of the heart in a Langendorff setup. RESULTS Treatment with Dox was associated with a reduction in both FS and LVEF at 2 weeks (P < .0001) and 4 weeks (P < .006). Dox treatment was also associated with prolongation of calcium transient durations CaTD50 (P = .0005) and CaTD80 (P < .0001) and reduction of calcium amplitude alternans ratio (P < .0001). Concomitant treatment with Dan prevented the Dox-induced decline in FS and LVEF (P < .002 at both 2 and 4 weeks). Dan also prevented Dox-induced prolongation of CaTD50 and CaTD80 and improved the CaT alternans ratio (P < .0001). Finally, calcium transient rise time was increased in the doxorubicin-treated group, indicating RyR2 dyssynchrony, and dantrolene prevented this prolongation (P = .02). CONCLUSION Dantrolene prevents cardiac contractile dysfunction following doxorubicin treatment by mitigating dysregulation of calcium dynamics.
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Affiliation(s)
- Mohammed Ali Azam
- The Hull Family Cardiac Fibrillation Management Laboratory, Toronto General Hospital, University Health Network, Toronto, Canada
| | - Praloy Chakraborty
- The Hull Family Cardiac Fibrillation Management Laboratory, Toronto General Hospital, University Health Network, Toronto, Canada
- Peter Munk Cardiac Centre, Toronto General Hospital, University Health Network, Toronto, Canada
| | - Mahmoud M. Bokhari
- The Hull Family Cardiac Fibrillation Management Laboratory, Toronto General Hospital, University Health Network, Toronto, Canada
- Peter Munk Cardiac Centre, Toronto General Hospital, University Health Network, Toronto, Canada
| | - Keith Dadson
- Peter Munk Cardiac Centre, Toronto General Hospital, University Health Network, Toronto, Canada
| | - Beibei Du
- The Hull Family Cardiac Fibrillation Management Laboratory, Toronto General Hospital, University Health Network, Toronto, Canada
| | - Stéphane Massé
- The Hull Family Cardiac Fibrillation Management Laboratory, Toronto General Hospital, University Health Network, Toronto, Canada
| | - Daoyuan Si
- The Hull Family Cardiac Fibrillation Management Laboratory, Toronto General Hospital, University Health Network, Toronto, Canada
| | - Ahmed Niri
- The Hull Family Cardiac Fibrillation Management Laboratory, Toronto General Hospital, University Health Network, Toronto, Canada
| | - Arjun K. Aggarwal
- The Hull Family Cardiac Fibrillation Management Laboratory, Toronto General Hospital, University Health Network, Toronto, Canada
| | - Patrick F.H. Lai
- The Hull Family Cardiac Fibrillation Management Laboratory, Toronto General Hospital, University Health Network, Toronto, Canada
| | - Sheila Riazi
- Malignant Hyperthermia Investigation Unit, Toronto General Hospital, University Health Network, Toronto, Canada
| | - Filio Billia
- Peter Munk Cardiac Centre, Toronto General Hospital, University Health Network, Toronto, Canada
| | - Kumaraswamy Nanthakumar
- The Hull Family Cardiac Fibrillation Management Laboratory, Toronto General Hospital, University Health Network, Toronto, Canada
- Peter Munk Cardiac Centre, Toronto General Hospital, University Health Network, Toronto, Canada
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Ginkgolide B Protects Cardiomyocytes from Angiotensin II-Induced Hypertrophy via Regulation of Autophagy through SIRT1-FoxO1. Cardiovasc Ther 2021; 2021:5554569. [PMID: 34257705 PMCID: PMC8245256 DOI: 10.1155/2021/5554569] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 05/01/2021] [Accepted: 06/10/2021] [Indexed: 01/04/2023] Open
Abstract
Ginkgolide B (GB) is an active ingredient extracted from Ginkgo biloba leaves. However, the effects of GB on cardiac hypertrophy remain unclear. The study is aimed at determining whether GB could alleviate cardiac hypertrophy and exploring its underlying molecular mechanism. Rat cardiomyocyte cell line H9c2 cells were pretreated with GB and incubated with angiotensin II (Ang II) to simulate an in vitro cardiac hypertrophy model. Cell viability, cell size, hypertrophy markers, and autophagy were determined in H9c2 cells after Ang II treatment. Proteins involved in autophagy and the SIRT1 pathway were determined by western blot. Our data demonstrated that GB attenuated Ang II-induced cardiac hypertrophy and reduced the mRNA expressions of hypertrophy marker, atrial natriuretic peptide (ANP), and β-myosin heavy chain (β-MHC). GB further increased Ang II-induced autophagy in H9c2 cells and modulated expressions of autophagy-related proteins Beclin1 and P62. Modulation of autophagy using autophagy inhibitor 3-methyladenine (3-MA) could abrogate GB-downregulated transcription of NPPA. We then showed that GB attenuated Ang II-induced oxidative stress and reduction in SIRT1 and FoxO1 protein expression. Finally, the effect of GB on autophagy and cardiac hypertrophy could be reversed by SIRT1 inhibitor EX-527. GB inhibits Ang II-induced cardiac hypertrophy by enhancing autophagy via the SIRT1-FoxO1 signaling pathway and might be a potential agent in treating pathological cardiac hypertrophy.
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11
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Yang H, Li GP, Liu Q, Zong SB, Li L, Xu ZL, Zhou J, Cao L, Wang ZZ, Zhang QC, Li M, Fan QR, Hu HF, Xiao W. Neuroprotective effects of Ginkgolide B in focal cerebral ischemia through selective activation of prostaglandin E2 receptor EP4 and the downstream transactivation of epidermal growth factor receptor. Phytother Res 2021; 35:2727-2744. [PMID: 33452698 DOI: 10.1002/ptr.7018] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Revised: 12/28/2020] [Accepted: 12/31/2020] [Indexed: 11/07/2022]
Abstract
The present study was undertaken to identify whether prostaglandin E2 receptor is the potential receptor/binding site for Ginkgolide A, Ginkgolide B, Ginkgolide K, and Bilobalide, the four main ingredients of the Ginkgo biloba L., leaves. Using functional assays, we identified EP4, coupled with Gs protein, as a target of Ginkgolide B. In human neuroblastoma SH-SY5Y cells suffered from oxygen-glucose deprivation/reperfusion, Ginkgolide B-activated PKA, Akt, and ERK1/2 as well as Src-mediated transactivation of epidermal growth factor receptor. These resulted in downstream signaling pathways, which enhanced cell survival and inhibited apoptosis. Knockdown of EP4 prevented Ginkgolide B-mediated Src, epidermal growth factor receptor (EGFR), Akt, and ERK1/2 phosphorylation and neuroprotective effects. Moreover, Src inhibitor prevented Ginkgolide B-mediated EGFR transactivation and the downstream Akt and ERK1/2 activation, while the phosphorylation of PKA induced by Ginkgolide B was not affected, indicating Ginkgolide B might transactivate EGFR in a ligand-independent manner. EP4 knockdown in a rat middle cerebral artery occlusion (MCAO) model prevented Ginkgolide B-mediated infarct size reduction and neurological assessment improvement. At the same time, the increased expressions of p-Akt, p-ERK1/2, p-PKA, p-Src, and p-EGFR and the deceased expression of cleaved capases-3 induced by Ginkgolide B in cerebral cortex were blocked due to EP4 knockdown. In conclusion, Ginkgolide B exerts neuroprotective effects in rat MCAO model through the activation of EP4 and the downstream transactivation of EGFR.
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Affiliation(s)
- Hao Yang
- State Key Laboratory of New-Tech for Chinese Medicine Pharmaceutic Process, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, China
| | - Gui-Ping Li
- State Key Laboratory of New-Tech for Chinese Medicine Pharmaceutic Process, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, China
| | - Qiu Liu
- State Key Laboratory of New-Tech for Chinese Medicine Pharmaceutic Process, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, China
| | - Shao-Bo Zong
- State Key Laboratory of New-Tech for Chinese Medicine Pharmaceutic Process, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, China
| | - Liang Li
- State Key Laboratory of New-Tech for Chinese Medicine Pharmaceutic Process, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, China
| | - Zhi-Liang Xu
- State Key Laboratory of New-Tech for Chinese Medicine Pharmaceutic Process, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, China
| | - Jun Zhou
- State Key Laboratory of New-Tech for Chinese Medicine Pharmaceutic Process, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, China
| | - Liang Cao
- State Key Laboratory of New-Tech for Chinese Medicine Pharmaceutic Process, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, China
| | - Zhen-Zhong Wang
- State Key Laboratory of New-Tech for Chinese Medicine Pharmaceutic Process, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, China
| | - Quan-Chang Zhang
- State Key Laboratory of New-Tech for Chinese Medicine Pharmaceutic Process, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, China
| | - Ming Li
- State Key Laboratory of New-Tech for Chinese Medicine Pharmaceutic Process, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, China
| | - Qi-Ru Fan
- State Key Laboratory of New-Tech for Chinese Medicine Pharmaceutic Process, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, China
| | - Han-Fei Hu
- State Key Laboratory of New-Tech for Chinese Medicine Pharmaceutic Process, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, China
| | - Wei Xiao
- State Key Laboratory of New-Tech for Chinese Medicine Pharmaceutic Process, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, China
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Wang L, Lei Q, Zhao S, Xu W, Dong W, Ran J, Shi Q, Fu J. Ginkgolide B Maintains Calcium Homeostasis in Hypoxic Hippocampal Neurons by Inhibiting Calcium Influx and Intracellular Calcium Release. Front Cell Neurosci 2021; 14:627846. [PMID: 33679323 PMCID: PMC7928385 DOI: 10.3389/fncel.2020.627846] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 12/28/2020] [Indexed: 12/13/2022] Open
Abstract
Ginkgolide B (GB), a terpene lactone and active ingredient of Ginkgo biloba, shows protective effects in neuronal cells subjected to hypoxia. We investigated whether GB might protect neurons from hypoxic injury through regulation of neuronal Ca2+ homeostasis. Primary hippocampal neurons subjected to chemical hypoxia (0.7 mM CoCl2) in vitro exhibited an increase in cytoplasmic Ca2+ (measured from the fluorescence of fluo-4), but this effect was significantly diminished by pre-treatment with 0.4 mM GB. Electrophysiological recordings from the brain slices of rats exposed to hypoxia in vivo revealed increases in spontaneous discharge frequency, action potential frequency and calcium current magnitude, and all these effects of hypoxia were suppressed by pre-treatment with 12 mg/kg GB. Western blot analysis demonstrated that hypoxia was associated with enhanced mRNA and protein expressions of Cav1.2 (a voltage-gated Ca2+ channel), STIM1 (a regulator of store-operated Ca2+ entry) and RyR2 (isoforms of Ryanodine Receptor which mediates sarcoplasmic reticulum Ca2+ release), and these actions of hypoxia were suppressed by GB. Taken together, our in vitro and in vivo data suggest that GB might protect neurons from hypoxia, in part, by regulating Ca2+ influx and intracellular Ca2+ release to maintain Ca2+ homeostasis.
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Affiliation(s)
- Li Wang
- Clinical Laboratory Diagnostic Center, General Hospital of Xinjiang Military Command, Urumqi, China
| | - Quan Lei
- The Department of Medical Administration, General Hospital of Xinjiang Military Command, Urumqi, China
| | - Shuai Zhao
- The Department of Medical Administration, General Hospital of Xinjiang Military Command, Urumqi, China
| | - WenJuan Xu
- The Department of Medical Administration, General Hospital of Xinjiang Military Command, Urumqi, China
| | - Wei Dong
- The First Division Health Team, Anti-aircraft Artillery of Liaoning Reserve, Shenyang, China
| | - JiHua Ran
- Clinical Laboratory Diagnostic Center, General Hospital of Xinjiang Military Command, Urumqi, China
| | - QingHai Shi
- Clinical Laboratory Diagnostic Center, General Hospital of Xinjiang Military Command, Urumqi, China
| | - JianFeng Fu
- Clinical Laboratory Diagnostic Center, General Hospital of Xinjiang Military Command, Urumqi, China
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Cheng D, Chen L, Tu W, Wang H, Wang Q, Meng L, Li Z, Yu Q. Protective effects of valsartan administration on doxorubicin‑induced myocardial injury in rats and the role of oxidative stress and NOX2/NOX4 signaling. Mol Med Rep 2020; 22:4151-4162. [PMID: 33000246 PMCID: PMC7533445 DOI: 10.3892/mmr.2020.11521] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 07/14/2020] [Indexed: 11/22/2022] Open
Abstract
Clinical application of doxorubicin (DOX) is hampered by its potential cardiotoxicity, however angiotensin receptor blockers could attenuate DOX‑induced cardiomyopathy. The present study tested the hypothesis that simultaneous administration of valsartan (Val) with DOX could prevent DOX‑induced myocardial injury by modulating myocardial NAD(P)H oxidase (NOX) expression in rats. Eight‑week‑old male Sprague‑Dawley rats were randomly divided into control (CON), DOX, and DOX+Val groups. After 10 weeks, surviving rats underwent echocardiography examination, myocardial mRNA and protein expression detection of NOX1, NOX2 and NOX4. H9C2 cells were used to perform in vitro experiments, reactive oxygen species (ROS) production and apoptosis were observed under the conditions of down‑ or upregulation of NOX2 and NOX4 in DOX‑ and DOX+Val‑treated H9C2 cells. Cardiac function was significantly improved, pathological lesion and collagen volume fraction were significantly reduced in the DOX+Val group compared with the DOX group (all P<0.05). Myocardial protein and mRNA expression of NOX2 and NOX4 was significantly downregulated in DOX+Val group compared with in the DOX group (all P<0.05). In vitro, ROS production and apoptosis in DOX‑treated H9C2 cells was significantly reduced by NOX2‑small interfering (si)RNA and NOX4‑siRNA, and significantly increased by overexpressing NOX2 and NOX4. To conclude, Val applied simultaneously with DOX could prevent DOX‑induced myocardial injury and reduce oxidative stress by downregulating the myocardial expression of NOX2 and NOX4 in rats.
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Affiliation(s)
- Dong Cheng
- Department of Cardiology, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning 116001, P.R. China
| | - Libo Chen
- Department of Cardiology, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning 116001, P.R. China
| | - Wencheng Tu
- Department of Cardiology, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning 116001, P.R. China
| | - Haoren Wang
- Central Laboratory, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning 116001, P.R. China
| | - Qinfu Wang
- Life Engineering College, Dalian University, Dalian, Liaoning 116622, P.R. China
| | - Lili Meng
- Department of Cardiology, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning 116001, P.R. China
| | - Zhu Li
- Department of Cardiology, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning 116001, P.R. China
| | - Qin Yu
- Department of Cardiology, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning 116001, P.R. China
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Liu C, Ma X, Zhuang J, Liu L, Sun C. Cardiotoxicity of doxorubicin-based cancer treatment: What is the protective cognition that phytochemicals provide us? Pharmacol Res 2020; 160:105062. [DOI: 10.1016/j.phrs.2020.105062] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/29/2020] [Accepted: 06/30/2020] [Indexed: 12/11/2022]
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Li Y, Yang J, Li X, Su S, Chen X, Sun S, Li Y. The effect of Ginkgolide B combined with fluconazole against drug-resistant Candida albicans based on common resistance mechanisms. Int J Antimicrob Agents 2020; 56:106030. [PMID: 32454072 DOI: 10.1016/j.ijantimicag.2020.106030] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/11/2020] [Accepted: 05/15/2020] [Indexed: 01/03/2023]
Abstract
The number of invasive fungal infections has increased dramatically over recent years, leading to high morbidity and mortality of immunocompromised patients. Candida albicans is the most common cause of life-threatening disseminated candidiasis among invasive fungal infections. Resistance of C. albicans against conventional antifungals is frequently reported. Treatment with a combination of antifungal and non-antifungal agents is often considered in the aim to overcome drug resistance. This study shows for the first time that the combination of ginkgolide B (GB) and fluconazole (FLC) increases the sensitivity of resistant C. albicans to FLC. In vitro studies indicated that the drug combination had a synergistic effect on C. albicans in both planktonic cells and biofilms within 12 h. In vivo efficacy of this drug combination was evaluated using the Galleria mellonella infection model. Survival rate, fungal burden, and histological examination were determined. Studies indicated that the antifungal effects of GB in combination with FLC might be associated with inhibition of hyphal growth, disruption of intracellular calcium, and inhibition of drug efflux pumps. The results indicate a promising solution for overcoming drug resistance of C. albicans and expanding the clinical application of existing drugs.
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Affiliation(s)
- Yiman Li
- Department of Clinical Pharmacy, Shandong Provincial Qianfoshan Hospital, Shandong University. Jinan, 250014, People's Republic of China; School of Pharmaceutical Sciences, Shandong University, Jinan, 250012, People's Republic of China
| | - Jing Yang
- Department of Pharmacy, Shandong Provincial Third Hospital, Jinan, 250014, People's Republic of China
| | - Xiuyun Li
- Pharmaceutical Department, Qilu Children's Hospital of Shandong University, Jinan, 250022, People's Republic of China
| | - Shan Su
- School of Pharmaceutical Sciences, Shandong University, Jinan, 250012, People's Republic of China
| | - Xueqi Chen
- School of Pharmaceutical Sciences, Shandong University, Jinan, 250012, People's Republic of China
| | - Shujuan Sun
- Department of Clinical Pharmacy, Shandong Provincial Qianfoshan Hospital, Shandong University. Jinan, 250014, People's Republic of China; Department of Clinical Pharmacy, the First Affiliated Hospital of Shandong First Medical University, Jinan, 250014, People's Republic of China.
| | - Yuanyuan Li
- Department of Clinical Pharmacy, the First Affiliated Hospital of Shandong First Medical University, Jinan, 250014, People's Republic of China.
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Liu J, Wu P, Xu Z, Zhang J, Liu J, Yang Z. Ginkgolide B inhibits hydrogen peroxide‑induced apoptosis and attenuates cytotoxicity via activating the PI3K/Akt/mTOR signaling pathway in H9c2 cells. Mol Med Rep 2020; 22:310-316. [PMID: 32377729 PMCID: PMC7248522 DOI: 10.3892/mmr.2020.11099] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Accepted: 02/14/2020] [Indexed: 12/23/2022] Open
Abstract
Ginkgolide B (GB) is a diterpene lactone found in the leaves of the traditional Chinese medicinal plant Ginkgo that has been shown to have various pharmacological effects. However, the anti-apoptotic properties of GB in cardiovascular disease remain poorly understood. The present study aimed to investigate the effect of GB on hydrogen peroxide-induced cell injury in cardiac H9c2 cells, and to further clarify its protective mechanism of action. An in vitro hydrogen peroxide-treated H9c2 cell model was used in order to mimic myocardial ischemia-reperfusion (I/R) injury. Cell viability was assessed by the Cell Counting Kit-8 assay. The induction of apoptosis was determined by flow cytometry and staining was performed using Hoechst 33342. In addition, the effect of GB on the expression levels of apoptosis-associated proteins was evaluated by western blot analysis. The present study demonstrated that GB protected against hydrogen peroxide-induced cytotoxicity and cell apoptosis in H9c2 cardiac cells. GB upregulated the expression level of the anti-apoptotic protein Bcl-2 and downregulated the expression levels of the pro-apoptotic proteins cleaved caspase-3 and Bax in hydrogen peroxide-treated H9c2 cells. The molecular mechanism underlying the anti-apoptotic effects of GB was subsequently detected. GB pretreatment activated the PI3K/Akt/mTOR signaling pathway and caused an increase in the phosphorylation levels of Akt and mTOR in hydrogen peroxide-treated H9c2 cells. These results revealed that GB inhibited hydrogen peroxide-induced apoptosis in H9c2 cells via activation of the PI3K/Akt/mTOR signaling pathway. These findings indicate the potential therapeutic benefits of GB in the treatment of myocardial I/R injury.
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Affiliation(s)
- Jin Liu
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Peng Wu
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Zhihui Xu
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Jun Zhang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Jiabao Liu
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Zhijian Yang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
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Ren D, Li F, Gao A, Cao Q, Liu Y, Zhang J. Hypoxia-induced apoptosis of cardiomyocytes is restricted by ginkgolide B-downregulated microRNA-29. Cell Cycle 2020; 19:1067-1076. [PMID: 32295500 DOI: 10.1080/15384101.2020.1731651] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Ginkgolide B exerts a cardioprotective function against ischemia-caused apoptosis in myocardial infarction. Here we sought out to address a functional mechanism associated with microRNA-29 (miR-29). Rat cardiomyocytes (H9c2 cells) were cultured in ginkgolide B-conditioned medium prior to hypoxic induction. To construct miR-29-overexpressed cells, miR-29 mimic was transfected into H9c2 cells. The cells were harvested for assaying survivability and apoptosis by CCK-8 and FITC-Annexin V staining methods. Western blot was applied to identify apoptotic hallmarks and signaling transducers. RT-PCR was carried out for investigating miR-29 expression. Cardiomyocytes were sensitive to hypoxic apoptosis, while ginkgolide B intensified the abilities of cardiomyocytes to resist hypoxia by increasing survivability and repressing apoptosis. Specifically, ginkgolide B repressed Bax and cleaved caspase 3 while enhanced Bcl-2. Ginkgolide B buffered the expression of miR-29 induced by hypoxia. However, ginkgolide B showed a slight role in survivability and apoptosis in the cells overexpressing miR-29. Meanwhile, ginkgolide B triggered the phosphorylation of PI3 K and AKT, as well as induced Sp1, while this beneficial role was abrogated in the cells treated by miR-29 mimic. Our results confirmed that ginkgolide B might have therapeutic significance by repressing hypoxic apoptosis. Ginkgolide B-elicited miR-29 inhibition might be the basis of this beneficial role.
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Affiliation(s)
- Dezhi Ren
- Department of Cardiology, Shaanxi Traditional Chinese Medicine Hospital, Xi'an, Shaanxi Province, China
| | - Fang Li
- Institute of Traditional Chinese Medicine, Shaanxi Academy of Traditional Chinese Medicine, Xi'an, Shaanxi Province, China
| | - An Gao
- Department of Cardiology, Shaanxi Traditional Chinese Medicine Hospital, Xi'an, Shaanxi Province, China
| | - Qingwen Cao
- Department of Cardiology, Shaanxi Traditional Chinese Medicine Hospital, Xi'an, Shaanxi Province, China
| | - Yarong Liu
- Department of Cardiology, Shaanxi Traditional Chinese Medicine Hospital, Xi'an, Shaanxi Province, China
| | - Junru Zhang
- Department of Cardiology, Shaanxi Traditional Chinese Medicine Hospital, Xi'an, Shaanxi Province, China
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Quantum chemical studies, vibrational analysis, molecular dynamics and docking calculations of some ent-kaurane diterpenes from Annona vepretorum: a theoretical approach to promising anti-tumor molecules. Struct Chem 2020. [DOI: 10.1007/s11224-020-01491-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Tedesco L, Rossi F, Ragni M, Ruocco C, Brunetti D, Carruba MO, Torrente Y, Valerio A, Nisoli E. A Special Amino-Acid Formula Tailored to Boosting Cell Respiration Prevents Mitochondrial Dysfunction and Oxidative Stress Caused by Doxorubicin in Mouse Cardiomyocytes. Nutrients 2020; 12:nu12020282. [PMID: 31973180 PMCID: PMC7071384 DOI: 10.3390/nu12020282] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 12/23/2019] [Accepted: 01/02/2020] [Indexed: 12/24/2022] Open
Abstract
Anthracycline anticancer drugs, such as doxorubicin (DOX), can induce cardiotoxicity supposed to be related to mitochondrial damage. We have recently demonstrated that a branched-chain amino acid (BCAA)-enriched mixture (BCAAem), supplemented with drinking water to middle-aged mice, was able to promote mitochondrial biogenesis in cardiac and skeletal muscle. To maximally favor and increase oxidative metabolism and mitochondrial function, here we tested a new original formula, composed of essential amino acids, tricarboxylic acid cycle precursors and co-factors (named α5), in HL-1 cardiomyocytes and mice treated with DOX. We measured mitochondrial biogenesis, oxidative stress, and BCAA catabolic pathway. Moreover, the molecular relevance of endothelial nitric oxide synthase (eNOS) and mechanistic/mammalian target of rapamycin complex 1 (mTORC1) was studied in both cardiac tissue and HL-1 cardiomyocytes. Finally, the role of Krüppel-like factor 15 (KLF15), a critical transcriptional regulator of BCAA oxidation and eNOS-mTORC1 signal, was investigated. Our results demonstrate that the α5 mixture prevents the DOX-dependent mitochondrial damage and oxidative stress better than the previous BCAAem, implying a KLF15/eNOS/mTORC1 signaling axis. These results could be relevant for the prevention of cardiotoxicity in the DOX-treated patients.
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Affiliation(s)
- Laura Tedesco
- Center for Study and Research on Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, 20129 Milan, Italy
| | - Fabio Rossi
- Center for Study and Research on Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, 20129 Milan, Italy
| | - Maurizio Ragni
- Center for Study and Research on Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, 20129 Milan, Italy
| | - Chiara Ruocco
- Center for Study and Research on Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, 20129 Milan, Italy
| | - Dario Brunetti
- Center for Study and Research on Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, 20129 Milan, Italy
| | - Michele O. Carruba
- Center for Study and Research on Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, 20129 Milan, Italy
| | - Yvan Torrente
- Department of Pathophysiology and Transplantation, University of Milan, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Centro Dino Ferrari, 20122 Milan, Italy
| | - Alessandra Valerio
- Department of Molecular and Translational Medicine, University of Brescia, 25121 Brescia, Italy
- Correspondence: (A.V.); (E.N.); Tel.: +39-030-3717504 (A.V.); +39-02-50316956 (E.N.); Fax: +39-030-3717529 (A.V.); +39-02-50317118 (E.N.)
| | - Enzo Nisoli
- Center for Study and Research on Obesity, Department of Medical Biotechnology and Translational Medicine, University of Milan, 20129 Milan, Italy
- Correspondence: (A.V.); (E.N.); Tel.: +39-030-3717504 (A.V.); +39-02-50316956 (E.N.); Fax: +39-030-3717529 (A.V.); +39-02-50317118 (E.N.)
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Coyne CP, Narayanan L. Carnosic Acid, Tangeretin, and Ginkgolide-B Anti-neoplastic Cytotoxicity in Dual Combination with Dexamethasone-[anti-EGFR] in Pulmonary Adenocarcinoma (A549). Anticancer Agents Med Chem 2019; 19:802-819. [DOI: 10.2174/1871520619666181204100226] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 06/06/2018] [Accepted: 10/08/2018] [Indexed: 12/18/2022]
Abstract
Background:Traditional chemotherapeutics of low-molecular weight diffuse passively across intact membrane structures of normal healthy cells found in tissues and organ systems in a non-specific unrestricted manner which largely accounts for the induction of most sequelae which restrict dosage, administration frequency, and duration of therapeutic intervention. Molecular strategies that offer enhanced levels of potency, greater efficacy and broader margins-of-safety include the discovery of alternative candidate therapeutics and development of methodologies capable of mediating properties of selective “targeted” delivery.Materials and Methods:The covalent immunopharmaceutical, dexamethasone-(C21-phosphoramidate)-[anti- EGFR] was synthesized utilizing organic chemistry reactions that comprised a multi-stage synthesis regimen. Multiple forms of analysis were implemented to vadliate the successful synthesis (UV spectrophotometric absorbance), purity and molar-incorporation-index (UV spectrophotometric absorbance, chemical-based protein determination), absence of fragmentation/polymerization (SDS-PAGE/chemiluminescent autoradiography), retained selective binding-avidity of IgG-immunoglobulin (cell-ELISA); and selectively “targeted” antineoplastic cytotoxicity (biochemistry-based cell vitality/viability assay).Results:The botanicals carnosic acid, ginkgolide-B and tangeretin, each individually exerted maximum antineoplastic cytotoxicity levels of 58.1%, 5.3%, and 41.1% respectively against pulmonary adenocarcinoma (A549) populations. Dexamethasone-(C21-phosphoramidate)-[anti-EGFR] formulated at corticosteroid/ glucocorticoid equivalent concentrations produced anti-neoplastic cytotoxicity at levels of 7.7% (10-9 M), 26.9% (10-8 M), 64.9% (10-7 M), 69.9% (10-6 M) and 73.0% (10-5 M). Ccarnosic acid, ginkgolide-B and tangeretin in simultaneous dual-combination with dexamethasone-(C21-phosphoramidate)-[anti-EGFR] exerted maximum anti-neoplastic cytotoxicity levels of 70.5%, 58.6%, and 69.7% respectively.Discussion:Carnosic acid, ginkgolide-B and tangeretin botanicals exerted anti-neoplastic cytotoxicity against pulmonary adenocarcinoma (A549) which additively contributed to the anti-neoplastic cytotoxic potency of the covalent immunopharmaceutical, dexamethasone-(C21-phosphoramidate)-[anti-EGFR]. Carnosic acid and tangeretin were most potent in this regard both individually and in dual-combination with dexamethasone-(C21- phosphoramidate)-[anti-EGFR]. Advantages and attributes of carnosic acid and tangeretin as potential monotherapeutics are a wider margin-of-safety of conventional chemotherapeutics which would readily complement the selective “targeted” delivery properties of dexamethasone-(C21-phosphoramidate)-[anti-EGFR] and possibly other covalent immunopharmaceuticals in addition to providing opportunities for the discovery of combination therapies that provide heightened levels of anti-neoplastic efficacy.
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Affiliation(s)
- Cody P. Coyne
- Department of Basic Sciences, College of Veterinary Medicine at Wise Center, Mississippi State University, Mississippi 39762, United States
| | - Lakshmi Narayanan
- Department of Basic Sciences, College of Veterinary Medicine at Wise Center, Mississippi State University, Mississippi 39762, United States
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Guo C, Zhang J, Zhang P, Si A, Zhang Z, Zhao L, Lv F, Zhao G. Ginkgolide B ameliorates myocardial ischemia reperfusion injury in rats via inhibiting endoplasmic reticulum stress. DRUG DESIGN DEVELOPMENT AND THERAPY 2019; 13:767-774. [PMID: 30880910 PMCID: PMC6396660 DOI: 10.2147/dddt.s179101] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Purpose Ginkgolide B (GB) is a terpene lactone component found in Ginkgo biloba, which has a protective role on ischemia reperfusion (I/R) injury. This study was aimed at exploring the protective mechanism of GB on the myocardial I/R. Patients and methods Myocardial I/R model was established on Sprague Dawley rats. The levels of cardiac troponin I, cardiac troponin T, lactic dehydrogenase, and myoglobin were determined by a 200FR NEO automatic biochemical analyzer. Histological examination was performed through HE and terminal deoxynucleotidyl transferase-mediated dUTP nick end-labeling staining. The expression levels of p-PERK, p-IRE1α, ATF6, p-AKT, and mTOR were detected by Western blot. Results The results exhibited that GB treatment suppressed the high levels of cardiac troponin I, cardiac troponin T, lactic dehydrogenase, and myoglobin and ameliorated the damaged and irregularly arranged myocardial cells induced by I/R injury significantly, indicating that GB could ameliorate myocardial I/R injury. Moreover, the high expression levels of endoplasmic reticulum (ER) stress key proteins caused by I/R injury were suppressed significantly by GB treatment, including p-PERK, p-IRE1α, and ATF6. GB treatment also decreased the number of apoptotic cells compared with I/R group. In addition, activation of ER stress by Tunicamycin treatment could counteract the protective effects of GB on I/R injury, suggesting that GB ameliorated myocardial I/R injury through inhibition of ER stress-induced apoptosis. Finally, the decreased p-AKT and p-mTOR expressions caused by I/R injury were upregulated by GB and inhibition of PI3K/AKT/mTOR pathway by LY294002 abolished the protective effects of GB on I/R injury, indicating that GB activated PI3K/AKT/mTOR pathway during I/R injury. Conclusion GB protected against myocardial I/R injury through inhibiting ER stress-induced apoptosis via PI3K/AKT/mTOR signaling pathway.
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Affiliation(s)
- Changlei Guo
- Department of Cardiology, The First Affiliated Hospital Xinxiang Medical University, Weihui 452100, Henan, China,
| | - Junbiao Zhang
- Department of Cardiology, The First Affiliated Hospital Xinxiang Medical University, Weihui 452100, Henan, China,
| | - Peiyong Zhang
- Department of Cardiology, The First Affiliated Hospital Xinxiang Medical University, Weihui 452100, Henan, China,
| | - Aoyang Si
- Department of Cardiology, The First Affiliated Hospital Xinxiang Medical University, Weihui 452100, Henan, China,
| | - Zhenling Zhang
- Department of Cardiology, The First Affiliated Hospital Xinxiang Medical University, Weihui 452100, Henan, China,
| | - Liangping Zhao
- Department of Cardiology, The First Affiliated Hospital Xinxiang Medical University, Weihui 452100, Henan, China,
| | - Fenghua Lv
- Department of Cardiology, The First Affiliated Hospital Xinxiang Medical University, Weihui 452100, Henan, China,
| | - Guoan Zhao
- Department of Cardiology, The First Affiliated Hospital Xinxiang Medical University, Weihui 452100, Henan, China,
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22
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Abdoul-Azize S, Buquet C, Li H, Picquenot JM, Vannier JP. Integration of Ca 2+ signaling regulates the breast tumor cell response to simvastatin and doxorubicin. Oncogene 2018; 37:4979-4993. [PMID: 29795329 DOI: 10.1038/s41388-018-0329-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 04/30/2018] [Accepted: 05/01/2018] [Indexed: 02/06/2023]
Abstract
Recent studies have suggested that the lipid-lowering agent simvastatin holds great promise as a cancer therapeutic; it inhibits the growth of multiple tumors, including triple-negative breast cancer. Doxorubicin- and simvastatin-induced cytotoxicity has been associated with the modulation of Ca2+ signaling, but the underlying mechanisms remain incompletely understood. Here we identify how Ca2+ signaling regulates the breast tumor cell response to doxorubicin and simvastatin. These two drugs inhibit cell survival while increasing apoptosis in two human breast cancer cell lines and five primary breast tumor specimens through the modulation of Ca2+ signaling. Signal transduction and functional studies revealed that both simvastatin and doxorubicin trigger persistent cytosolic Ca2+ release, thereby stimulating the proapoptotic BIM pathway and mitochondrial Ca2+ overload, which are responsible for metabolic dysfunction and apoptosis induction. Simvastatin and doxorubicin suppress the prosurvival ERK1/2 pathway in a Ca2+-independent and Ca2+-dependent manner, respectively. In addition, reduction of the Ca2+ signal by chelation or pharmacological inhibition significantly prevents drug-mediated anticancer signaling. Unexpectedly, a scratch-wound assay indicated that these two drugs induce rapid cell migration, while inhibiting cell invasion and colony formation in a Ca2+-dependent manner. Further, the in vivo data for MDA-MB-231 xenografts demonstrate that upon chelation of Ca2+, the ability of both drugs to reduce the tumor burden was significantly reduced via caspase-3 deactivation. Our results establish a calcium-based mechanism as crucial for executing the cell death process triggered by simvastatin and doxorubicin, and suggest that combining simvastatin with doxorubicin may be an effective regimen for the treatment of breast cancer.
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Affiliation(s)
- Souleymane Abdoul-Azize
- Unité Inserm U1234/Université de Rouen/IRIB, Faculté de Médecine et Pharmacie, Rouen Cedex, 76183, France.
| | - Catherine Buquet
- Unité Inserm U1234/Université de Rouen/IRIB, Faculté de Médecine et Pharmacie, Rouen Cedex, 76183, France
| | - Hong Li
- Unité Inserm U1234/Université de Rouen/IRIB, Faculté de Médecine et Pharmacie, Rouen Cedex, 76183, France
| | - Jean-Michel Picquenot
- Service Anatomie et Cytologie pathologiques, Centre Henri Becquerel de Lutte Contre le Cancer (CLCC) de Normandie, Rouen Cedex 1, 76038, France
| | - Jean-Pierre Vannier
- Unité Inserm U1234/Université de Rouen/IRIB, Faculté de Médecine et Pharmacie, Rouen Cedex, 76183, France
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23
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de Sousa IP, Sousa Teixeira MV, Jacometti Cardoso Furtado NA. An Overview of Biotransformation and Toxicity of Diterpenes. Molecules 2018; 23:E1387. [PMID: 29890639 PMCID: PMC6100218 DOI: 10.3390/molecules23061387] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 06/01/2018] [Accepted: 06/05/2018] [Indexed: 12/20/2022] Open
Abstract
Diterpenes have been identified as active compounds in several medicinal plants showing remarkable biological activities, and some isolated diterpenes are produced at commercial scale to be used as medicines, food additives, in the synthesis of fragrances, or in agriculture. There is great interest in developing methods to obtain derivatives of these compounds, and biotransformation processes are interesting tools for the structural modification of natural products with complex chemical structures. Biotransformation processes also have a crucial role in drug development and/or optimization. The understanding of the metabolic pathways for both phase I and II biotransformation of new drug candidates is mandatory for toxicity and efficacy evaluation and part of preclinical studies. This review presents an overview of biotransformation processes of diterpenes carried out by microorganisms, plant cell cultures, animal and human liver microsomes, and rats, chickens, and swine in vivo and highlights the main enzymatic reactions involved in these processes and the role of diterpenes that may be effectively exploited by other fields.
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Affiliation(s)
- Ingrid P de Sousa
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café, s/n, Ribeirão Preto, São Paulo 14040903, Brazil.
| | - Maria V Sousa Teixeira
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café, s/n, Ribeirão Preto, São Paulo 14040903, Brazil.
| | - Niege A Jacometti Cardoso Furtado
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café, s/n, Ribeirão Preto, São Paulo 14040903, Brazil.
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24
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Yang X, Liu N, Li X, Yang Y, Wang X, Li L, Jiang L, Gao Y, Tang H, Tang Y, Xing Y, Shang H. A Review on the Effect of Traditional Chinese Medicine Against Anthracycline-Induced Cardiac Toxicity. Front Pharmacol 2018; 9:444. [PMID: 29867456 PMCID: PMC5963334 DOI: 10.3389/fphar.2018.00444] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2017] [Accepted: 04/16/2018] [Indexed: 01/29/2023] Open
Abstract
Anthracyclines are effective agents generally used to treat solid-tumor and hematologic malignancies. The use of anthracyclines for over 40 years has improved cancer survival statistics. Nevertheless, the clinical utility of anthracyclines is limited by its dose-dependent cardiotoxicity that adversely affects 10-30% of patients. Anthracycline-induced cardiotoxicity may be classified as acute/subacute or chronic/late toxicity and leads to devastating adverse effects resulting in poor quality of life, morbidity, and premature mortality. Traditional Chinese medicine has a history of over 2,000 years, involving both unique theories and substantial experience. Several studies have investigated the potential of natural products to decrease the cardiotoxic effects of chemotherapeutic agents on healthy cells, without negatively affecting their antineoplastic activity. This article discusses the mechanism of anthracycline-induced cardiotoxicity, and summarizes traditional Chinese medicine treatment for anthracycline-induced heart failure (HF), cardiac arrhythmia, cardiomyopathy, and myocardial ischemia in recent years, in order to provide a reference for the clinical prevention and treatment of cardiac toxicity.
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Affiliation(s)
- Xinyu Yang
- Guang'anmen Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, China.,Key Laboratory of Chinese Internal Medicine of the Ministry of Education, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Nian Liu
- Department of Cardiology, Beijing Anzhen Hospital of the Capital University of Medical Sciences, Beijing, China
| | - Xinye Li
- Guang'anmen Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, China.,Key Laboratory of Chinese Internal Medicine of the Ministry of Education, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Yihan Yang
- Guang'anmen Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, China.,Key Laboratory of Chinese Internal Medicine of the Ministry of Education, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Xiaofeng Wang
- Key Laboratory of Chinese Internal Medicine of the Ministry of Education, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Linling Li
- Department of Cardiology, Beijing Anzhen Hospital of the Capital University of Medical Sciences, Beijing, China
| | - Le Jiang
- Department of Cardiology, Beijing Anzhen Hospital of the Capital University of Medical Sciences, Beijing, China
| | - Yonghong Gao
- Key Laboratory of Chinese Internal Medicine of the Ministry of Education, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Hebin Tang
- Department of Pharmacology, School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan, China
| | - Yong Tang
- Department of Pancreatic Oncology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Yanwei Xing
- Guang'anmen Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, China
| | - Hongcai Shang
- Key Laboratory of Chinese Internal Medicine of the Ministry of Education, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
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25
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Zeng C, Jiang W, Zheng R, He C, Li J, Xing J. Cardioprotection of tilianin ameliorates myocardial ischemia-reperfusion injury: Role of the apoptotic signaling pathway. PLoS One 2018. [PMID: 29538428 PMCID: PMC5851616 DOI: 10.1371/journal.pone.0193845] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Our previous research demonstrated that tilianin protects the myocardium in a myocardial ischemia reperfusion injury (MIRI) rat model and has prominent pharmacological potential as a cardiovascular drug. Our study aimed to investigate the molecular signaling implicated in the improvement of myocardial survival induced by tilianin, a flavonoid antioxidant. Tilianin (2.5, 5, and 10 mg/kg/d) or saline was orally administered to rats for 14 days. On the 15th day, ischemia was induced by ligating the left anterior descending artery for 45 min, followed by 4 h of reperfusion. The levels of MIRI-induced serum myocardial enzymes and cardiomyocyte apoptosis as well as infarct size were examined to assess the cardioprotective effects. Cardiac tissues were collected for western blot analyses to determine the protein expression of anti-apoptotic signaling molecules. In MIRI-treated rats, our results revealed that pre-administration of high dose-tilianin the reduced release of LDH, MDA, and CK-MB and increased the plasma SOD level, and significantly attenuated the infarct size. Western blot analysis showed that a remarkable rise in expression of Bcl-2 and XIAP, and decline in expression of Bax, Smac/Diablo, HtrA2/Omi, cleaved caspase-3, caspase-7 and caspase-9 was observed in the myocardium. The apoptosis index of cardiomyocytes further supports the cardioprotective effect of tilianin. Additionally, compared with the MIRI model group, pretreatment with high dose-tilianin group upregulated phosphorylated Akt and PI3K. In contrast, using the PI3K inhibitor LY294002 to block Akt activation effectively inhibited the protective effects of tilianin against MIRI. Tilianin pretreatment was beneficial for activating the PI3K/Akt signaling pathway and inhibiting myocardial apoptosis.
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Affiliation(s)
- Cheng Zeng
- College of Pharmacy, Xinjiang Medical University, Urumqi, Xinjiang, P.R. China
- Xinjiang Institute of Materia Medica, Urumqi, Xinjiang P.R. China
| | - Wen Jiang
- Department of Pharmacy, The Sixth Affiliated Hospital, Xinjiang Medical University, Urumqi, Xinjiang, P.R. China
| | - Ruifang Zheng
- College of Pharmacy, Xinjiang Medical University, Urumqi, Xinjiang, P.R. China
- Xinjiang Institute of Materia Medica, Urumqi, Xinjiang P.R. China
| | - Chenghui He
- Xinjiang Institute of Materia Medica, Urumqi, Xinjiang P.R. China
| | - Jianguang Li
- College of Pharmacy, Xinjiang Medical University, Urumqi, Xinjiang, P.R. China
- * E-mail: (Jianguang Li); (Jianguo Xing)
| | - Jianguo Xing
- Xinjiang Institute of Materia Medica, Urumqi, Xinjiang P.R. China
- * E-mail: (Jianguang Li); (Jianguo Xing)
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26
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Huang C, Wu J, Xu L, Wang J, Chen Z, Yang R. Regulation of HSF1 protein stabilization: An updated review. Eur J Pharmacol 2018; 822:69-77. [PMID: 29341886 DOI: 10.1016/j.ejphar.2018.01.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 12/11/2017] [Accepted: 01/09/2018] [Indexed: 12/12/2022]
Abstract
Heat shock factor 1 (HSF1) is a transcriptional factor that determines the efficiency of heat shock responses (HSRs) in the cell. Given its function has been extensively studied in recent years, HSF1 is considered a potential target for the treatment of disorders associated with protein aggregation. The activity of HSF1 is traditionally regulated at the transcriptional level in which the transactivation domain of HSF1 is modified by extensive array of pos-translational modifications, such as phosphorylation, sumoylation, and acetylation. Recently, HSF1 is also reported to be regulated at the monomeric level. For example, in neurodegenerative disorders such as Huntington's disease and Alzheimer's disease the expression levels of the monomeric HSF1 are found to be reduced markedly. Methylene blue (MB) and riluzole, two clinical available drugs, increase the amount of the monomeric HSF1 in both cells and animals. Since the monomeric HSF1 not only determines the efficiency of HSRs, but exerts protective effects in a trimerization-independent manner, increasing the amount of the monomeric HSF1 via stabilization of HSF1 may be an alternative strategy for the amplification of HSR. However, to date we have no outlined knowledges about HSF1 protein stabilization, though studies regarding the regulation of the monomeric HSF1 have been documented in recent years. Here, we summarize the regulation of the monomeric HSF1 by some previously reported factors, such as synuclein, Huntingtin (Htt), TDP-43, unfolded protein response (UPR), MB and doxorubicin (DOX), as well as their possible mechanisms, aiming to push the understanding about HSF1 protein stabilization.
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Affiliation(s)
- Chao Huang
- Department of Pharmacology, School of Pharmacy, Nantong University, #19 Qixiu Road, Nantong 226001, Jiangsu, China.
| | - Jingjing Wu
- Department of Cardiology, Suzhou Kowloon Hospital of Shanghai Jiaotong University School of Medicine, #118 Wansheng Street, Suzhou 215021, Jiangsu, China
| | - Li Xu
- Department of Ultrasound, Danyang People's Hospital, #2 Xinmin Western Road, Danyang 212300, Jiangsu, China
| | - Jili Wang
- Department of Pharmacology, School of Pharmacy, Nantong University, #19 Qixiu Road, Nantong 226001, Jiangsu, China
| | - Zhuo Chen
- Invasive Technology Department, Nantong First People's Hospital, The Second Affiliated Hospital of Nantong University, # 6 North Road Hai'er Xiang, Nantong 226001, Jiangsu, China
| | - Rongrong Yang
- Department of Anesthesiology, Affiliated Hospital of Nantong University, Jiangsu Province, #20Xisi Road, Nantong 226001, Jiangsu, China.
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27
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Carlson A, Alderete KS, Grant MKO, Seelig DM, Sharkey LC, Zordoky BNM. Anticancer effects of resveratrol in canine hemangiosarcoma cell lines. Vet Comp Oncol 2017; 16:253-261. [PMID: 29235249 DOI: 10.1111/vco.12375] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 11/08/2017] [Accepted: 11/09/2017] [Indexed: 12/20/2022]
Abstract
Hemangiosarcoma (HSA) is a highly malignant tumour with aggressive biological behaviour. HSAs are more common in dogs than other domestic animals. The median survival time of dogs with HSA remains short, even with chemotherapy and surgery. Therefore, there is a critical need to improve the adjuvant chemotherapeutic regimens to improve clinical outcomes in dogs with HSA. Resveratrol has been shown to possess strong anti-proliferative and/or pro-apoptotic properties in human cancer cell lines. Nevertheless, the potential anticancer effects of resveratrol have not been reported in canine HSAs. The objective of this study is to determine the growth inhibitory effects of resveratrol in HSA cells when used alone or in combination with doxorubicin, a commonly used chemotherapeutic agent. Frog and DD-1 canine HSA cell lines were treated with varying concentrations of resveratrol with and without doxorubicin. Cell viability was measured by the MTT assay. The expression of apoptotic proteins, activation of p38 mitogen-activated protein kinase (MAPK), AMP-activated protein kinase (AMPK) and extracellular signal-regulated kinase 1/2 (ERK1/2) were assessed by western blotting. Similar to human cancer cell lines, resveratrol markedly inhibited the growth and induced apoptosis in both HSA cell lines. Mechanistically, resveratrol activated p38 MAPK, but did not affect the AMPK or the ERK1/2 pathways. Additional experiments showed that resveratrol augmented the growth-inhibitory and apoptotic effects of doxorubicin in both HSA cell lines. These findings suggest that resveratrol has pro-apoptotic effects in canine HSA cells; therefore, its use as a potential adjunct therapy in canine HSA patients warrants further investigation.
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Affiliation(s)
- A Carlson
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota
| | - K S Alderete
- Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota
| | - M K O Grant
- Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota
| | - D M Seelig
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota
| | - L C Sharkey
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota
| | - B N M Zordoky
- Department of Experimental and Clinical Pharmacology, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota
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28
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Hosseini A, Sahebkar A. Reversal of Doxorubicin-induced Cardiotoxicity by Using Phytotherapy: A Review. J Pharmacopuncture 2017; 20:243-256. [PMID: 30151294 PMCID: PMC6104714 DOI: 10.3831/kpi.2017.20.030] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 11/07/2017] [Accepted: 11/09/2017] [Indexed: 12/13/2022] Open
Abstract
Doxorubicin as a chemotherapeutic drug is widely used for the treatment of patients with cancer. However, clinical use of this drug is hampered by its cardiotoxicity, which is manifested as electrocardiographic abnormalities, arrhythmias, irreversible degenerative cardiomyopathy and congestive heart failure. The precise mechanisms underlying the cardiotoxicity of doxorubicin are not clear, but impairment of calcium homeostasis, generation of iron complexes, production of oxygen radicals, mitochondrial dysfunction and cell membrane damage have been suggested as potential etiologic factors. Compounds that can neutralize the toxic effect of doxorubicin on cardiac cells without reducing the drug's antitumor activity are needed. In recent years, numerous studies have shown that herbal medicines and bioactive phytochemicals can serve as effective add-on therapies to reduce the cardiotoxic effects of doxorubicin. This review describes different phytochemicals and herbal products that have been shown to counterbalance doxorubicin-induced cardiotoxicity.
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Affiliation(s)
- Azar Hosseini
- Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad,
Iran
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad,
Iran
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad,
Iran
- School of Pharmacy, Mashhad University of Medical Sciences, Mashhad,
Iran
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