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Cong S, Peng Q, Cao L, Yi Q, Liu Y, Li L, Tong Q, Liang D. Diosgenin prevents periodontitis by inhibiting inflammation and promoting osteogenic differentiation. Oral Dis 2024; 30:2497-2510. [PMID: 37593795 DOI: 10.1111/odi.14708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 06/28/2023] [Accepted: 07/24/2023] [Indexed: 08/19/2023]
Abstract
Diosgenin, an essential dietary steroidal sapogenin, possess multiple pharmacological activities. This study aimed to assess the effects of diosgenin on periodontitis and elucidate the mechanisms. Lipopolysaccharide (LPS)-stimulated human periodontal ligament stem cells (hPDLCs) and a Porphyromonas gingivalis (P.g) plus ligation-induced animal model were used for in vitro and in vivo studies, respectively. Inflammatory responses, nuclear factor κ-B (NF-κB) signaling and osteogenesis-related markers were measured both in LPS-stimulated hPDLSCs and in gingival tissue of periodontitis rats. Treatment with diosgenin significantly inhibited the production of tumor necrosis factor α (TNF-α), interleukin (IL)-1β, and interleukin (IL)-6 and the activation of NF-κB pathway in LPS-stimulated hPDLSCs. Further, treatment with diosgenin enhanced the expression of osteoblast-related genes and increased the osteogenic differentiation capacity. Further, activation NF-κB pathway largely abolished the protective effects of diosgenin. Consistent with the in vitro studies, in vivo studies showed that administering diosgenin to periodontitis rats significantly lowered the levels of the TNF-α, IL-1β, and IL-6 and the inflammatory transcription factor NF-κB in gingival tissue. In addition, osteoblast-related genes were promoted. Diosgenin attenuates periodontitis by adjusting NF-κB signaling to inhibit inflammatory effects and promoting osteogenesis, suggesting diosgenin might be developed as a therapeutic strategy for treating periodontitis in the future.
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Affiliation(s)
- Shaohua Cong
- Department of Stomatology, Jiading District Central Hospital Affiliated Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Qian Peng
- Plastic and Reconstructive Surgery, Hubei No. 3 People's Hospital of Jianghan University, Wuhan, China
| | - Liou Cao
- Department of Nephrology, School of Medicine, Renji Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Qingqing Yi
- Clinical Research Center, Jiading District Central Hospital Affiliated Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Yi Liu
- Department of Stomatology, Jiading District Central Hospital Affiliated Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Linhui Li
- Clinical Research Center, Jiading District Central Hospital Affiliated Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Qingchun Tong
- Department of Stomatology, Jiading District Central Hospital Affiliated Shanghai University of Medicine and Health Sciences, Shanghai, China
| | - Dongyu Liang
- Clinical Research Center, Jiading District Central Hospital Affiliated Shanghai University of Medicine and Health Sciences, Shanghai, China
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Meng XM, Yuan JH, Zhou ZF, Feng QP, Zhu BM. Evaluation of time-dependent phenotypes of myocardial ischemia-reperfusion in mice. Aging (Albany NY) 2023; 15:10627-10639. [PMID: 37819785 PMCID: PMC10599719 DOI: 10.18632/aging.205103] [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] [Accepted: 09/09/2023] [Indexed: 10/13/2023]
Abstract
BACKGROUND A mouse model of myocardial ischemia-reperfusion (I/R) is widely used to study myocardial ischemia-reperfusion injury (I/RI). However, few studies focus on the direct comparison of the extent of pathological events resulting from variant durations of ischemia and reperfusion process. METHODS A mouse model of I/RI was established by ligation and perfusion of the left anterior descending coronary artery (LAD), and the dynamic changes were recorded by electrocardiogram at different stages of I/R. Subsequently, reperfusion duration was used as a variable to directly compare the phenotypes of different myocardial injury degrees induced by 3 h, 6 h and 24 h reperfusion from myocardial infarct size, myocardial apoptosis, myocardial enzyme, and inflammatory cytokine levels. RESULTS All mice subjected to myocardial I/R surgery showed obvious myocardial infarction, extensive myocardial apoptosis, dynamic changes in serum myocardial enzyme and inflammatory cytokines, at least for the first 24 h of reperfusion. The infarct size and apoptosis rates gradually increased with the extension of reperfusion time. The peaks of serum myocardial enzyme and inflammatory cytokines occurred at 6 h and 3 h of reperfusion, respectively. We also established I/R mice models with 30 and 60 mins of ischemia. After 21 days of remodeling, longer periods of ischemia increased the degree of fibrosis and reduced cardiac function. CONCLUSIONS In summary, we conclude that reperfusion durations of 3 h, 6 h, and 24 h induces different injury phenotypes in ischemia-reperfusion mouse model. At the same time, the ischemia duration before reperfusion also affects the degree of cardiac remodeling.
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Affiliation(s)
- Xiang-Min Meng
- Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Jing-Han Yuan
- Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Zhen-Fang Zhou
- Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Qi-Pu Feng
- Animal Experiment Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Bing-Mei Zhu
- Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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Yang XF, Miao Y, Yang DW, Kong R, Yuan B, Quan JY, Bu W. UPLC-Q TOF-MS-Based metabolomics and anti-myocardial ischemia activity of Dioscoreae Nipponicae Rhizoma from different geographical origins. J Pharm Biomed Anal 2023; 234:115551. [PMID: 37453145 DOI: 10.1016/j.jpba.2023.115551] [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: 04/16/2023] [Revised: 06/24/2023] [Accepted: 06/25/2023] [Indexed: 07/18/2023]
Abstract
The dried rhizome of Dioscorea nipponica Makino ("Chuanshanlong" in Chinese) is a medicinal herb with multiple major producing areas. The main objective of this study was the comparative profiling of Dioscoreae Nipponicae Rhizoma (DNR) from various geographical origins. A hypoxia/reoxygenation-induced H9c2 cell injury model was established, and the antimyocardial ischemia activity of DNR samples from different origins was detected using the cell counting kit-8 (CCK-8) method. The result showed that the antimyocardial ischemia potential of DNR samples from the Heilongjiang province was higher than that of the other studied samples. Subsequently, a plant metabolomics technique utilizing ultra-high performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UPLC-Q TOF-MS) was used to determine the differences in DNR samples from various geographical origins. Forty compounds, including steroidal saponins, free fatty acids, and organic acids, were tentatively identified based on UPLC-Q TOF-MS fragmentation pathways and via comparison with available reference standards. Partial least squares discriminant analysis was performed to estimate the differences in DNR samples from different origins. Five compounds were significantly up-regulated and correlated with antimyocardial ischemia in DNR samples from Heilongjiang province. Molecular docking was used to discern the interactions of key markers with the active sites of the target protein. The findings signified that UPLC-Q TOF-MS metabolomics coupled with molecular docking is a powerful tool to rapidly identify the quality control characteristics of DNR samples and their products. The research provides a direction for the rational utilization of DNR.
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Affiliation(s)
- Xiao-Fang Yang
- Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing, PR China
| | - Yu Miao
- State Key Laboratory of Generic Manufacture Technology of Traditional Chinese Medicine, Lunan Pharmaceutical Group Co. Ltd., Shandong, PR China
| | - Da-Wei Yang
- Zhong Yuan Academy of Biological Medicine, Liaocheng People's Hospital, Liaocheng, PR China
| | - Ren Kong
- Institute of Bioinformation and Medical Engineering, Jiangsu University of Technology, Changzhou, PR China
| | - Bo Yuan
- School of Life Sciences, Jiangsu Normal University, Xuzhou, PR China
| | - Jian-Ye Quan
- Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing, PR China.
| | - Wei Bu
- School of Life Sciences, Jiangsu Normal University, Xuzhou, PR China; Institute of Science and Technology, Jiangsu Normal University, Xuzhou, PR China.
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Li JK, Song ZP, Hou XZ. Scutellarin ameliorates ischemia/reperfusion injury‑induced cardiomyocyte apoptosis and cardiac dysfunction via inhibition of the cGAS‑STING pathway. Exp Ther Med 2023; 25:155. [PMID: 36911381 PMCID: PMC9996299 DOI: 10.3892/etm.2023.11854] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 12/16/2022] [Indexed: 02/19/2023] Open
Abstract
Ischemic heart disease is a common cardiovascular disease. Scutellarin (SCU) exhibits protective effects in ischemic cardiomyocytes; however, to the best of our knowledge, the protective mechanism of SCU remains unclear. The present study was performed to investigate the protective effect of SCU on cardiomyocytes after ischemia/reperfusion (I/R) injury and the underlying mechanism. Mice were intraperitoneally injected with SCU (20 mg/kg) for 7 days before establishing the heart I/R injury model. Cardiac function was detected using small animal echocardiography, apoptotic cells were visualized using TUNEL staining, the myocardial infarct area was assessed by 2,3,5-triphenyltetrazolium chloride staining, and the protein levels of cyclic GMP-AMP synthase (cGAS), stimulator of interferon genes (STING), Bcl-2, Bax and cleaved Caspase-3 were detected by western blotting. In in vitro experiments, H9c2 cells were pretreated with SCU, RU.521 (cGAS inhibitor) and H-151 (STING inhibitor), before cell hypoxia/reoxygenation (H/R) injury. The viability of H9c2 cells was detected using a Cell Counting Kit-8 assay, the rate of apoptosis was determined by flow cytometry, and the protein expression levels of cGAS, STING, Bcl-2, Bax and cleaved Caspase-3 were detected by western blotting. It was revealed that SCU ameliorated cardiac dysfunction and apoptosis, and inhibited the activation of the cGAS-STING and Bcl-2/Bax/Caspase-3 signaling pathways in I/R-injured mice. It was also observed that SCU significantly increased cell viability and decreased apoptosis in H/R-induced H9c2 cells. Furthermore, H/R increased the expression levels of cGAS, STING and cleaved Caspase-3, and decreased the ratio of Bcl-2/Bax, which could be reversed by treatment with SCU, RU.521 and H-151. The present study demonstrated that the cGAS-STING signaling pathway may be involved in the regulation of the activation of the Bcl-2/Bax/Caspase-3 signaling pathway to mediate I/R-induced cardiomyocyte apoptosis and cardiac dysfunction, which could be ameliorated by SCU treatment.
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Affiliation(s)
- Jiu-Kang Li
- Department of Infectious Diseases, The People's Hospital of Yue Chi County, Guang'an, Sichuan 638300, P.R. China
| | - Zhi-Ping Song
- Department of Cardiovascular Medicine, The People's Hospital of Yue Chi County, Guang'an, Sichuan 638300, P.R. China
| | - Xing-Zhi Hou
- Department of Cardiovascular Medicine, The People's Hospital of Yue Chi County, Guang'an, Sichuan 638300, P.R. China
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El-Kashef DH, Sharawy MH. Hepatoprotective effect of nicorandil against acetaminophen-induced oxidative stress and hepatotoxicity in mice via modulating NO synthesis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:14253-14264. [PMID: 36149558 PMCID: PMC9908717 DOI: 10.1007/s11356-022-23139-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 09/16/2022] [Indexed: 06/16/2023]
Abstract
Acetaminophen (APAP) overdose can produce hepatotoxicity and consequently liver damage. This study investigated the hepatoprotective impacts of nicorandil on hepatic damage induced by APAP. Nicorandil was administered orally (100 mg/kg) for seven days before APAP challenge (500 mg/kg, ip). Pretreatment with nicorandil reduced serum levels of aminotransferases, bilirubin, GGT and LDH, and increased serum level of albumin. Moreover, nicorandil inhibited the increase in liver MDA levels and reversed the decline in GSH content and SOD activity. Besides, it notably alleviated APAP-induced necrosis observed in histopathological findings. Additionally, nicorandil alleviated APAP-induced NO overproduction and iNOS expression; however, the protein expression of eNOS was significantly increased. Moreover, nicorandil markedly reduced hepatic TNF-α and NF-κB levels, in addition to decreasing the protein expression of MPO in hepatic tissues. Furthermore, flow cytometry (annexin V-FITC/PI) displayed a significant decline in late apoptotic and necrotic cells, and an increase in viable cells in nicorandil group. Also, nicorandil caused a significant boost in hepatic antiapoptotic marker bcl-2 level. The presented data proposed that the protective effect of nicorandil might be attributed to its antioxidant, its impact on NO homeostasis, and its anti-inflammatory properties. Therefore, nicorandil may be a promising candidate for protection from liver injury induced by APAP.
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Affiliation(s)
- Dalia H. El-Kashef
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, 35516 Egypt
| | - Maha H. Sharawy
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, 35516 Egypt
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Zhang J, Hu Y, Wang H, Hou J, Xiao W, Wen X, Wang T, Long P, Jiang H, Wang Z, Liu H, Chen X. Advances in research on the protective mechanisms of traditional Chinese medicine (TCM) in myocardial ischaemia-reperfusion injury. PHARMACEUTICAL BIOLOGY 2022; 60:931-948. [PMID: 35587352 PMCID: PMC9132412 DOI: 10.1080/13880209.2022.2063342] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 01/31/2022] [Accepted: 03/31/2022] [Indexed: 06/15/2023]
Abstract
CONTEXT Developing effective drugs to treat myocardial ischaemia-reperfusion (MI/R) injury is imperative. Traditional Chinese medicines (TCMs) have had considerable success in the treatment of cardiovascular diseases. Elucidating the mechanisms by which TCMs improve MI/R injury can supplement the literature on MI/R prevention and treatment. OBJECTIVE To summarise TCMs and their main protective mechanisms against MI/R injury reported over the past 40 years. METHODS Relevant literature published between 1980 and 2020 in Chinese and English was retrieved from the Web of Science, PubMed, SpringerLink, PubMed Central, Scopus, and Chinese National Knowledge Infrastructure (CNKI) databases. Search terms included 'medicinal plants', 'myocardial ischaemia reperfusion injury', 'Chinese medicine prescriptions', 'mechanisms', 'prevention', 'treatment' and 'protection'. For inclusion in the analysis, medicinal plants had to be searchable in the China Medical Information Platform and Plant Database. RESULTS We found 71 medicinal species (from 40 families) that have been used to prevent MI/R injury, of which Compositae species (8 species) and Leguminosae species (7 species) made up the majority. Most of the effects associated with these plants are described as antioxidant and anti-inflammatory. Furthermore, we summarised 18 kinds of Chinese compound prescriptions, including the compound Danshen tablet and Baoxin pill, which mainly reduce oxidative stress and regulate mitochondrial energy metabolism. DISCUSSION AND CONCLUSIONS We summarised TCMs that protect against MI/R injury and their pharmacological mechanisms. This in-depth explanation of the roles of TCMs in MI/R injury protection provides a theoretical basis for the research and development of TCM-based treatment drugs.
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Affiliation(s)
- Jiexin Zhang
- Department of Laboratory Medicine, The Third People’s Hospital of Chengdu/Affiliated Hospital of Southwest, Jiaotong University, Chengdu, Sichuan, China
- Department of Central Laboratory, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Yonghe Hu
- Department of Central Laboratory, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Han Wang
- Department of Laboratory Medicine, The Third People’s Hospital of Chengdu/Affiliated Hospital of Southwest, Jiaotong University, Chengdu, Sichuan, China
| | - Jun Hou
- Department of Central Laboratory, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Wenjing Xiao
- Department of Central Laboratory, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Xudong Wen
- Department of Gastroenterology, The First People’s Hospital of Chengdu, Chengdu, Sichuan, China
| | - Tingting Wang
- Department of Central Laboratory, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Pan Long
- Department of Central Laboratory, The General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Hezhong Jiang
- Faculty of Life Sciences and Engineering, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Zhanhao Wang
- Department of Laboratory Medicine, The Third People’s Hospital of Chengdu/Affiliated Hospital of Southwest, Jiaotong University, Chengdu, Sichuan, China
| | - Huawei Liu
- Department of Laboratory Medicine, The Third People’s Hospital of Chengdu/Affiliated Hospital of Southwest, Jiaotong University, Chengdu, Sichuan, China
| | - Xin Chen
- Department of Laboratory Medicine, The Third People’s Hospital of Chengdu/Affiliated Hospital of Southwest, Jiaotong University, Chengdu, Sichuan, China
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Hao Y, Gao X. Diosgenin protects retinal pigment epithelial cells from inflammatory damage and oxidative stress induced by high glucose by activating AMPK/Nrf2/HO-1 pathway. Immun Inflamm Dis 2022; 10:e698. [PMID: 36444632 PMCID: PMC9667204 DOI: 10.1002/iid3.698] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/12/2022] [Accepted: 08/22/2022] [Indexed: 11/18/2022] Open
Abstract
INTRODUCTION Diosgenin is a natural steroidal compound with reported antidiabetic and many other protective properties. This study aimed to explore the protective effect of diosgenin on high-glucose (HG)-induced retinal pigment epithelial cells. METHODS HG-induced ARPE-19 cells were considered as a cell model of diabetic retinopathy (DR). The viability and apoptosis of ARPE-19 cells induced by HG treated with either diosgenin or Compound C (CC; dorsomorphin) were detected by Cell Counting Kit-8 assay and flow cytometric analysis. The expression of apoptosis-related proteins, inflammation-related proteins, and AMPK/Nrf2/HO-1 pathway-related proteins was detected by western blotting. The levels of inflammatory cytokines and detection of oxidative stress indexes were performed using the appropriate assay kits. The messenger RNA expression of inflammatory cytokines was detected by real-time quantitative polymerase chain reaction. RESULTS There was no obvious effect of diosgenin on the viability of ARPE-19 cells and the viability of ARPE-19 cells was significantly reduced after HG induction. However, diosgenin increased the viability, inhibited the apoptosis, and reduced the inflammatory response and oxidative stress of ARPE-19 cells induced by HG. In addition, diosgenin could activate the AMPK/Nrf2/HO-1 pathway. CC, an AMPK inhibitor, could reverse the above changes caused by diosgenin treatment in ARPE-19 cells induced by HG. CONCLUSIONS Diosgenin could protect ARPE-19 cells from inflammatory damage and oxidative stress induced by HG, by activating the AMPK/Nrf2/HO-1 pathway.
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Affiliation(s)
- Yang Hao
- Department of OpthalmologyThe First Affiliated Hospital of Xi'an Jiaotong UniversityXi'anShaanxiChina
| | - Xuefeng Gao
- College of ManagementBeijing Capital Normal University College of ManagementBeijingChina
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Su X, Zhou M, Li Y, Zhang J, An N, Yang F, Zhang G, Yuan C, Chen H, Wu H, Xing Y. Protective effects of natural products against myocardial ischemia/reperfusion: Mitochondria-targeted therapeutics. Biomed Pharmacother 2022; 149:112893. [PMID: 35366532 DOI: 10.1016/j.biopha.2022.112893] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/24/2022] [Accepted: 03/25/2022] [Indexed: 02/06/2023] Open
Abstract
Patients with ischemic heart disease receiving reperfusion therapy still need to face left ventricular remodeling and heart failure after myocardial infarction. Reperfusion itself paradoxically leads to further cardiomyocyte death and systolic dysfunction. Ischemia/reperfusion (I/R) injury can eliminate the benefits of reperfusion therapy in patients and causes secondary myocardial injury. Mitochondrial dysfunction and structural disorder are the basic driving force of I/R injury. We summarized the basic relationship and potential mechanisms of mitochondrial injury in the development of I/R injury. Subsequently, this review summarized the natural products (NPs) that have been proven to targeting mitochondrial therapeutic effects during I/R injury in recent years and related cellular signal transduction pathways. We found that these NPs mainly protected the structural integrity of mitochondria and improve dysfunction, such as reducing mitochondrial division and fusion abnormalities, improving mitochondrial Ca2+ overload and inhibiting reactive oxygen species overproduction, thereby playing a role in protecting cardiomyocytes during I/R injury. This data would deepen the understanding of I/R-induced mitochondrial pathological process and suggested that NPs are expected to be transformed into potential therapies targeting mitochondria.
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Affiliation(s)
- Xin Su
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Mingyang Zhou
- Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China
| | - Yingjian Li
- Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China
| | - Jianzhen Zhang
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - Na An
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - Fan Yang
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Guoxia Zhang
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Chao Yuan
- Dezhou Second People's Hospital, Dezhou 253000, China
| | - Hengwen Chen
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China.
| | - Hongjin Wu
- Beijing Haidian Hospital, Haidian Section of Peking University Third Hospital, Beijing 100191, China.
| | - Yanwei Xing
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China.
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Ran J, Xu H, Li W. Cardioprotective effects of co-administration of thymoquinone and ischemic postconditioning in diabetic rats. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2021; 24:892-899. [PMID: 34712418 PMCID: PMC8528251 DOI: 10.22038/ijbms.2021.47670.10981] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Accepted: 05/09/2021] [Indexed: 12/21/2022]
Abstract
OBJECTIVES Ischemia/reperfusion (I/R) is a leading cause of myocardial infarction (MI) injury, contributing to excess injury to cardiac tissues involved in inflammation, apoptosis, and oxidative stress. The present study was conducted to examine the effects of combined thymoquinone (TQ) with ischemic postconditioning (IPostC) therapy on apoptosis and inflammation due to I/R injury in diabetic rat hearts. MATERIALS AND METHODS A single dose injection of streptozotocin (STZ; 60 mg/kg) was administered to thirty-two Wistar male rats to induce diabetes. Hearts were fixed on a Langendorff setting and exposed to a 30 min regional ischemia subsequently to 60 min reperfusion. IPostC was induced at the onset of reperfusion by 3 cycles of 30 sec R/I. ELISA, Western blotting assay, and TUNEL staining were applied to assess the cardioprotective effect of IPostC and TQ against I/R injury in diabetic and non-diabetic rats. RESULTS Administration of TQ alone in non-diabetic isolated hearts significantly diminished CK-MB, TNF-α, IL-1β, and apoptosis and enhanced p-GSK-3β and Bcl-2 (P<0.05). Following administration of TQ, the cardioprotective effects of IPostC by elevating p-GSK-3β and Bcl-2 and alleviating apoptosis and inflammation were reestablished compared with non-IPostC diabetic hearts. CONCLUSION These results provide substantial evidence that co-administration of TQ plus IPostC can exert cardioprotective effects on diabetic myocardium during I/R damage by attenuating the inflammatory response and apoptosis.
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Affiliation(s)
- Junchuan Ran
- Department of Cardiology, Gansu Gem Flower Hospital, Lanzhou, Gansu, 730060, China
| | - Huanglin Xu
- Department of Cardiology, Xigu People's Hospital,Lanzhou, Gansu, 730060, China
| | - Wenyuan Li
- Department of Cardiology, Gansu Gem Flower Hospital, Lanzhou, Gansu, 730060, China
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Chamkhi I, Benali T, Aanniz T, El Menyiy N, Guaouguaou FE, El Omari N, El-Shazly M, Zengin G, Bouyahya A. Plant-microbial interaction: The mechanism and the application of microbial elicitor induced secondary metabolites biosynthesis in medicinal plants. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 167:269-295. [PMID: 34391201 DOI: 10.1016/j.plaphy.2021.08.001] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/26/2021] [Accepted: 08/02/2021] [Indexed: 06/13/2023]
Abstract
Plants and microbes interact with each other via different chemical signaling pathways. At the risophere level, the microbes can secrete molecules, called elicitors, which act on their receptors located in plant cells. The so-called elicitor molecules as well as their actions differ according to the mcirobes and induce different bilogical responses in plants such as the synthesis of secondary metabolites. Microbial compounds induced phenotype changes in plants are known as elicitors and signaling pathways which integrate elicitor's signals in plants are called elicitation. In this review, the impact of microbial elicitors on the synthesis and the secretion of secondary metabolites in plants was highlighted. Moreover, biological properties of these bioactive compounds were also highlighted and discussed. Indeed, several bacteria, fungi, and viruses release elicitors which bind to plant cell receptors and mediate signaling pathways involved in secondary metabolites synthesis. Different phytochemical classes such as terpenoids, phenolic acids and flavonoids were synthesized and/or increased in medicinal plants via the action of microbial elicitors. Moreover, these compounds compounds exhibit numerous biological activities and can therefore be explored in drugs discovery.
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Affiliation(s)
- Imane Chamkhi
- Centre GEOPAC, Laboratoire de Geobiodiversite et Patrimoine Naturel, Université Mohammed V de, Institut Scientifique Rabat, Maroc; University Mohammed VI Polytechnic, Agrobiosciences Program, Lot 660, Hay Moulay Rachid, Benguerir, Morocco.
| | - Taoufiq Benali
- Environment and Health Team, Polydisciplinary Faculty of Safi, Cadi Ayyad University, Safi, Morocco
| | - Tarik Aanniz
- Medical Biotechnology Laboratory (MedBiotech), Rabat Medical & Pharmacy School, Mohammed V University in Rabat, 6203 Rabat, Morocco
| | - Naoual El Menyiy
- Department of Biology, Faculty of Science, University Sidi Mohamed Ben Abdellah, Fez, Morocco
| | - Fatima-Ezzahrae Guaouguaou
- Mohammed V University in Rabat, LPCMIO, Materials Science Center (MSC), Ecole Normale Supérieure, Rabat, Morocco
| | - Nasreddine El Omari
- Laboratory of Histology, Embryology, and Cytogenetic, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Morocco
| | - Mohamed El-Shazly
- Department of Pharmacognosy, Faculty of Pharmacy, Ain-Shams University, Cairo, 11566, Egypt; Department of Pharmaceutical Biology, Faculty of Pharmacy and Biotechnology, German University in Cairo, Cairo, 11835, Egypt
| | - Gokhan Zengin
- Physiology and Biochemistry Research Laboratory, Department of Biology, Science Faculty, Selcuk University, Konya, Turkey.
| | - Abdelhakim Bouyahya
- Laboratory of Human Pathologies Biology, Department of Biology, Faculty of Sciences, and Genomic Center of Human Pathologies, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Morocco.
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Rameshrad M, Omidkhoda SF, Razavi BM, Hosseinzadeh H. Evaluating the possible role of mitochondrial ATP-sensitive potassium channels in the cardioprotective effects of morin in the isolated rat heart. Life Sci 2021; 264:118659. [PMID: 33148418 DOI: 10.1016/j.lfs.2020.118659] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 12/28/2022]
Abstract
AIMS During heart ischemia, the lack of oxygen in the myocardial cells causes pH and ion disturbances and cell death through opening mitochondrial permeability transition pores (mPTP). Considering the inhibitory effects of mitochondrial ATP-dependent potassium channels (mt-KATP) on these pores and anti-ischemic effects of morin, we hypothesized that it may exert its positive effects via activating mt-KATP as well as its anti-oxidative effects. MAIN METHODS Isolated rat hearts were perfused by Krebs-Henseleit solution enriched with the morin (0.25, 0.5 and 1 mg/L) or 5-hydroxydecanoate (5-HD, a mt-KATP blocker;100 μM) or both as needed 5 min before starting regional ischemia till the first 10 min of the reperfusion period. The reperfusion was developed with Krebs-Henseleit solution 60 or 120 min respectively for biochemical evaluations (lactate dehydrogenase and malondialdehyde level) or the assessment of myocardial infarct size. During the experiments, hemodynamic functions were recorded and cardiac arrhythmias were determined. KEY FINDINGS Our findings demonstrated that morin reduced the infarct size. Also, morin perfusion could remarkably prevent the malondialdehyde over-production during ischemia. Total ventricular ectopic beats had the same significant changes as the malondialdehyde level, in both ischemia and reperfusion phases. Morin could also relatively improve the ischemia-induced hemodynamic dysfunction. All mentioned protective effects of morin were reversed by concomitant perfusion of 5-HD. SIGNIFICANCE Morin has protective effects against ischemic hearts through anti-oxidative effects. It also suggests a link between the cardioprotective effects of morin and mt-KATP. However, additional studies are required to prove this preliminary hypothesis.
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Affiliation(s)
- Maryam Rameshrad
- Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Seyedeh Farzaneh Omidkhoda
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Bibi Marjan Razavi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran; Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Hosseinzadeh
- 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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12
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Chang X, Zhang W, Zhao Z, Ma C, Zhang T, Meng Q, Yan P, Zhang L, Zhao Y. Regulation of Mitochondrial Quality Control by Natural Drugs in the Treatment of Cardiovascular Diseases: Potential and Advantages. Front Cell Dev Biol 2020; 8:616139. [PMID: 33425924 PMCID: PMC7793684 DOI: 10.3389/fcell.2020.616139] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Accepted: 11/18/2020] [Indexed: 12/13/2022] Open
Abstract
Mitochondria are double-membraned cellular organelles that provide the required energy and metabolic intermediates to cardiomyocytes. Mitochondrial respiratory chain defects, structure abnormalities, and DNA mutations can affect the normal function of cardiomyocytes, causing an imbalance in intracellular calcium ion homeostasis, production of reactive oxygen species, and apoptosis. Mitochondrial quality control (MQC) is an important process that maintains mitochondrial homeostasis in cardiomyocytes and involves multi-level regulatory mechanisms, such as mitophagy, mitochondrial fission and fusion, mitochondrial energy metabolism, mitochondrial antioxidant system, and mitochondrial respiratory chain. Furthermore, MQC plays a role in the pathological mechanisms of various cardiovascular diseases (CVDs). In recent years, the regulatory effects of natural plants, drugs, and active ingredients on MQC in the context of CVDs have received significant attention. Effective active ingredients in natural drugs can influence the production of energy-supplying substances in the mitochondria, interfere with the expression of genes associated with mitochondrial energy requirements, and regulate various mechanisms of MQC modulation. Thus, these ingredients have therapeutic effects against CVDs. This review provides useful information about novel treatment options for CVDs and development of novel drugs targeting MQC.
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Affiliation(s)
- Xing Chang
- China Academy of Chinese Medical Sciences, Beijing, China.,Guang'anmen Hospital of Chinese Academy of Traditional Chinese Medicine, Beijing, China
| | - Wenjin Zhang
- China Academy of Chinese Medical Sciences, Beijing, China.,College of Pharmacy, Ningxia Medical University, Yinchuan, China
| | - Zhenyu Zhao
- China Academy of Chinese Medical Sciences, Beijing, China
| | - Chunxia Ma
- Shandong Analysis and Test Center, Qilu University of Technology, Jinan, China
| | - Tian Zhang
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Qingyan Meng
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Peizheng Yan
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Lei Zhang
- Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Yuping Zhao
- China Academy of Chinese Medical Sciences, Beijing, China
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13
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Wu Y, Liu H, Wang X. Cardioprotection of pharmacological postconditioning on myocardial ischemia/reperfusion injury. Life Sci 2020; 264:118628. [PMID: 33131670 DOI: 10.1016/j.lfs.2020.118628] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 10/08/2020] [Accepted: 10/16/2020] [Indexed: 12/26/2022]
Abstract
Acute myocardial infarction is associated with high rates of morbidity and mortality and can cause irreversible myocardial damage. Timely reperfusion is critical to limit infarct size and salvage the ischemic myocardium. However, reperfusion may exacerbate lethal tissue injury, a phenomenon known as myocardial ischemia/reperfusion (I/R) injury. Pharmacological postconditioning (PPC), a strategy involving medication administration before or during the early minutes of reperfusion, is more efficient and flexible than preconditioning or ischemic conditioning. Previous studies have shown that various mechanisms are involved in the effects of PPC. In this review, we summarize the relative effects and potential underlying mechanisms of PPC to provide a foundation for future research attempting to develop novel treatments against myocardial I/R injury.
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Affiliation(s)
- Yushi Wu
- Department of Cardiology, Heart Center, Zhujiang Hospital, Southern Medical University, NO. 253, Gongye Avenue, 510282 Guangzhou, China; Guangdong Provincial Biomedical Engineering Technology Research Center for cardiovascular Disease, 510282 Guangzhou, China; Sino-Japanese cooperation Platform for Translational Research in Heart Failure, 510282 Guangzhou, China; Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, 510282 Guangzhou, China
| | - Haiqiong Liu
- Department of Cardiology, Heart Center, Zhujiang Hospital, Southern Medical University, NO. 253, Gongye Avenue, 510282 Guangzhou, China; Guangdong Provincial Biomedical Engineering Technology Research Center for cardiovascular Disease, 510282 Guangzhou, China; Sino-Japanese cooperation Platform for Translational Research in Heart Failure, 510282 Guangzhou, China; Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, 510282 Guangzhou, China
| | - Xianbao Wang
- Department of Cardiology, Heart Center, Zhujiang Hospital, Southern Medical University, NO. 253, Gongye Avenue, 510282 Guangzhou, China; Guangdong Provincial Biomedical Engineering Technology Research Center for cardiovascular Disease, 510282 Guangzhou, China; Sino-Japanese cooperation Platform for Translational Research in Heart Failure, 510282 Guangzhou, China; Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, 510282 Guangzhou, China.
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14
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Parama D, Boruah M, Yachna K, Rana V, Banik K, Harsha C, Thakur KK, Dutta U, Arya A, Mao X, Ahn KS, Kunnumakkara AB. Diosgenin, a steroidal saponin, and its analogs: Effective therapies against different chronic diseases. Life Sci 2020; 260:118182. [PMID: 32781063 DOI: 10.1016/j.lfs.2020.118182] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 07/24/2020] [Accepted: 07/28/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Chronic diseases are a major cause of mortality worldwide, and despite the recent development in treatment modalities, synthetic drugs have continued to show toxic side effects and development of chemoresistance, thereby limiting their application. The use of phytochemicals has gained attention as they show minimal side effects. Diosgenin is one such phytochemical which has gained importance for its efficacy against the life-threatening diseases, such as cardiovascular diseases, cancer, nervous system disorders, asthma, arthritis, diabetes, and many more. AIM To evaluate the literature available on the potential of diosgenin and its analogs in modulating different molecular targets leading to the prevention and treatment of chronic diseases. METHOD A detailed literature search has been carried out on PubMed for gathering information related to the sources, biosynthesis, physicochemical properties, biological activities, pharmacokinetics, bioavailability and toxicity of diosgenin and its analogs. KEY FINDINGS The literature search resulted in many in vitro, in vivo and clinical trials that reported the efficacy of diosgenin and its analogs in modulating important molecular targets and signaling pathways such as PI3K/AKT/mTOR, JAK/STAT, NF-κB, MAPK, etc., which play a crucial role in the development of most of the diseases. Reports have also revealed the safety of the compound and the adaptation of nanotechnological approaches for enhancing its bioavailability and pharmacokinetic properties. SIGNIFICANCE Thus, the review summarizes the efficacy of diosgenin and its analogs for developing as a potent drug against several chronic diseases.
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Affiliation(s)
- Dey Parama
- Cancer Biology Laboratory and DBT-AIST International Center for Translational and Environmental Research (DAICENTER), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Monikongkona Boruah
- Cell and Molecular Biology Lab, Department of Zoology, Cotton University, Guwahati, Assam 781001, India
| | - Kumari Yachna
- Cancer Biology Laboratory and DBT-AIST International Center for Translational and Environmental Research (DAICENTER), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Varsha Rana
- Cancer Biology Laboratory and DBT-AIST International Center for Translational and Environmental Research (DAICENTER), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Kishore Banik
- Cancer Biology Laboratory and DBT-AIST International Center for Translational and Environmental Research (DAICENTER), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Choudhary Harsha
- Cancer Biology Laboratory and DBT-AIST International Center for Translational and Environmental Research (DAICENTER), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Krishan Kumar Thakur
- Cancer Biology Laboratory and DBT-AIST International Center for Translational and Environmental Research (DAICENTER), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Uma Dutta
- Cell and Molecular Biology Lab, Department of Zoology, Cotton University, Guwahati, Assam 781001, India
| | - Aditya Arya
- Department of Pharmacology and Therapeutics, School of Medicine, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Malaysia
| | - Xinliang Mao
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, 12 Jichang Road, Baiyun District, Guangzhou 510405, China; Department of Pharmacology, College of Pharmaceutical Sciences, Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, China
| | - Kwang Seok Ahn
- Department of Science in Korean Medicine, College of Korean Medicine, Kyung Hee University, 24 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea.
| | - Ajaikumar B Kunnumakkara
- Cancer Biology Laboratory and DBT-AIST International Center for Translational and Environmental Research (DAICENTER), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India.
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15
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Li JL, Wang C, Zhang W, Tan CF, Liu WW, Du L, Chen ML, Tang YN, Zhu DM. Effect of electroacupuncture pretreatment on adenine nucleotides in myocardial tissues of rats with myocardial ischemia-reperfusion injury detected by high performance liquid chromatography (HPLC). JOURNAL OF ACUPUNCTURE AND TUINA SCIENCE 2019. [DOI: 10.1007/s11726-019-1127-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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16
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Higgins L, Palee S, Chattipakorn SC, Chattipakorn N. Effects of metformin on the heart with ischaemia-reperfusion injury: Evidence of its benefits from in vitro, in vivo and clinical reports. Eur J Pharmacol 2019; 858:172489. [PMID: 31233747 DOI: 10.1016/j.ejphar.2019.172489] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 06/19/2019] [Accepted: 06/20/2019] [Indexed: 01/07/2023]
Abstract
Ischaemia reperfusion (I/R) injury following myocardial infarction reperfusion therapy is a phenomenon that results in further loss of cardiomyocytes and cardiac contractility. Among the potential therapeutics to counter cardiac I/R injury, the antidiabetic drug metformin has shown promising experimental results. This review encompasses evidence available from studies of metformin's protective effects on the heart following cardiac I/R in vitro, ex vivo and in vivo, alongside clinical trials. Experimental data describes potential mechanisms of metformin, including activation of AMPK, an energy sensing kinase with many downstream effects. Suggested effects include upregulation of superoxide dismutases (SODs), which reduce oxidative stress and improve mitochondrial function. Additionally, metformin demonstrates anti-apoptotic effects, most likely by inhibiting mitochondrial permeability transition pore (mPTP) opening, and anti-inflammatory effects, by JNK inhibition. Recent reports of metformin's role in modulating complex I activity of the electron transport chain following cardiac I/R are also presented and discussed. Furthermore, clinical reports present mixed findings, suggesting that beneficial effects may depend on dosage, timing and condition of patients receiving metformin treatment. Conclusively there is an increased need for prospective, placebo-controlled clinical studies to confirm the mechanisms and to demonstrate that metformin is a suitable and safe drug for treatment of cardiac I/R injury.
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Affiliation(s)
- Louis Higgins
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; School of Biological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, England, UK
| | - Siripong Palee
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Siriporn C Chattipakorn
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200, Thailand; Department of Oral Biology and Diagnostic Sciences, Faculty of Dentistry, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Nipon Chattipakorn
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200, Thailand; Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand.
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17
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Bartekova M, Radosinska J, Jelemensky M, Dhalla NS. Role of cytokines and inflammation in heart function during health and disease. Heart Fail Rev 2019; 23:733-758. [PMID: 29862462 DOI: 10.1007/s10741-018-9716-x] [Citation(s) in RCA: 167] [Impact Index Per Article: 33.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
By virtue of their actions on NF-κB, an inflammatory nuclear transcription factor, various cytokines have been documented to play important regulatory roles in determining cardiac function under both physiological and pathophysiological conditions. Several cytokines including TNF-α, TGF-β, and different interleukins such as IL-1 IL-4, IL-6, IL-8, and IL-18 are involved in the development of various inflammatory cardiac pathologies, namely ischemic heart disease, myocardial infarction, heart failure, and cardiomyopathies. In ischemia-related pathologies, most of the cytokines are released into the circulation and serve as biological markers of inflammation. Furthermore, there is an evidence of their direct role in the pathogenesis of ischemic injury, suggesting cytokines as potential targets for the development of some anti-ischemic therapies. On the other hand, certain cytokines such as IL-2, IL-4, IL-6, IL-8, and IL-10 are involved in the post-ischemic tissue repair and thus are considered to exert beneficial effects on cardiac function. Conflicting reports regarding the role of some cytokines in inducing cardiac dysfunction in heart failure and different types of cardiomyopathies seem to be due to differences in the nature, duration, and degree of heart disease as well as the concentrations of some cytokines in the circulation. In spite of extensive research work in this field of investigation, no satisfactory anti-cytokine therapy for improving cardiac function in any type of heart disease is available in the literature.
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Affiliation(s)
- Monika Bartekova
- Institute for Heart Research, Centre of Experimental Medicine, Slovak Academy of Sciences, Bratislava, Slovak Republic.,Institute of Physiology, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovak Republic
| | - Jana Radosinska
- Institute for Heart Research, Centre of Experimental Medicine, Slovak Academy of Sciences, Bratislava, Slovak Republic.,Institute of Physiology, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovak Republic
| | - Marek Jelemensky
- Institute for Heart Research, Centre of Experimental Medicine, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Naranjan S Dhalla
- Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Center, 351 Tache Avenue, Winnipeg, MB, R2H 2A6, Canada. .,Department of Physiology and Pathophysiology, Max Rady College of Medicine, University of Manitoba, Winnipeg, Canada.
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18
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Feng L, Liu W, Yang J, Wang Q, Wen S. Effect of Hexadecyl Azelaoyl Phosphatidylcholine on Cardiomyocyte Apoptosis in Myocardial Ischemia-Reperfusion Injury: A Hypothesis. Med Sci Monit 2018; 24:2661-2667. [PMID: 29706617 PMCID: PMC5949054 DOI: 10.12659/msm.907578] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Reperfusion after myocardial ischemia can induce cardiomyocyte death, known as myocardial reperfusion injury. The pathophysiology of the process of reperfusion suggests the confluence multiple pathways. Recent studies have focused on the inflammatory response, which is considered to be the main mechanism during the process of myocardial ischemia-reperfusion injury and can cause cardiomyocyte apoptosis. Peroxisome proliferator-activated receptors gamma activated by endogenous ligands and exogenous ligand can decrease the inflammatory response in cardiomyocytes. Thiazolidinediones are synthetic, high-affinity, selective ligands for peroxisome proliferator-activated receptors gamma, and can inhibit the inflammatory response, decrease myocardial infarct size, and protect cardiac function. However, thiazolidinediones, including rosiglitazone and pioglitazone, can also contribute to adverse cardiovascular events such as congestive heart failure. Therefore, there are some limitations to the use of thiazolidinediones. Most endogenous ligands were of low affinity until hexadecyl azelaoyl phosphatidylcholine was identified as a high-affinity ligand and agonist for peroxisome proliferator-activated receptors gamma. Hexadecyl azelaoyl phosphatidylcholine binds recombinant peroxisome proliferator-activated receptors with an affinity (Kd(app) ≈40 nM) which is equivalent to rosiglitazone. Therefore, hexadecyl azelaoyl phosphatidylcholine is a specific peroxisome proliferator-activated receptors gamma agonist. Given these findings, we hypothesized that the use of hexadecyl azelaoyl phosphatidylcholine can activate the peroxisome proliferator-activated receptors gamma signal pathways and prevent the inflammatory response process of myocardial ischemia-reperfusion injury, with reduced cardiomyocyte apoptosis and death.
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Affiliation(s)
- Limin Feng
- Department of Cardiology, The Second Affiliated Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China (mainland)
| | - Wennan Liu
- Department of Cardiology, Tianjin Medical University General Hospital, Tianjin, China (mainland)
| | - Jianzhou Yang
- Department of Preventive Medicine, Changzhi Medical College, Changzhi, Shanxi, China (mainland)
| | - Qing Wang
- Department of Cardiology, Tianjin Medical University General Hospital, Tianjin, China (mainland)
| | - Shiwu Wen
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, Hunan, China (mainland)
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19
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Tavakoly R, Maracy MR, Karimifar M, Entezari MH. Does fenugreek ( Trigonella foenum-graecum ) seed improve inflammation, and oxidative stress in patients with type 2 diabetes mellitus? A parallel group randomized clinical trial. Eur J Integr Med 2018. [DOI: 10.1016/j.eujim.2018.01.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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20
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Wang HW, Liu HJ, Cao H, Qiao ZY, Xu YW. Diosgenin Protects Rats from Myocardial Inflammatory Injury Induced by Ischemia-Reperfusion. Med Sci Monit 2018; 24:246-253. [PMID: 29329279 PMCID: PMC5774177 DOI: 10.12659/msm.907745] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Background Diosgenin, a phytosteroid sapogenin, has anti-inflammatory properties shown to reduce myocardial ischemia-reperfusion injury (MIRI). However, the specific mechanism by which this is achieved is not clear. This study investigated the protective effects of diosgenin on myocardial ischemia/reperfusion (I/R) and the potential anti-inflammatory mechanisms. Material/Methods Healthy adult male SD rats, body weight (b.w.) 250–280 g, were used to model ischemia-reperfusion injury (IRI) and were administered diosgenin (50 mg/kg and 100 mg/kg b.w.) intragastrically for 4 consecutive weeks before surgery. The left anterior descending artery (LAD) was ligated to induce myocardial ischemia for 30 min and reperfusion for 30 min, 60 min, and 120 min while relevant indicators were detected. Results Both 50 mg and 100 mg diosgenin oral administration increased left ventricular developed pressure (LVDP) and maximum changing rate of ventricular pressure (±dp/dtmax), decreased left ventricular end-diastolic pressure (LVEDP), and myocardial enzyme markers. TTC staining suggested that diosgenin reduced myocardial infarct size in the rat model. Pathological results showed that myocardial ischemia and inflammation were alleviated by diosgenin. In addition, the increased expression of tumor necrosis factor-alpha (TNF-α), interleukin-1 beta (IL-1β) in serum, and myeloperoxidase (MPO) in myocardium were significantly suppressed by diosgenin administration. Diosgenin further inhibited the phosphorylation of transcription factor NF-κB and modulated the expression of downstream inflammatory cytokines by regulating the activation of p38-MAPK and JNK pathways. Conclusions Results demonstrate diosgenin plays an anti-inflammatory role in the protection of MIRI through regulation of p38-MAPK and JNK pathways and phosphorylation of NF-κB.
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Affiliation(s)
- Hong-Wei Wang
- Department of Cardiology, Shanghai Tenth Clinical Medical School of Nanjing Medical University, Shanghai, China (mainland).,Department of Cardiology, The Sixth People's Hospital South Campus affiliated with Shanghai Jiaotong University, Shanghai, China (mainland)
| | - Hua-Jin Liu
- Department of Cardiology, The Sixth People's Hospital South Campus affiliated with Shanghai Jiaotong University, Shanghai, China (mainland)
| | - Hua Cao
- Department of Cardiology, The Sixth People's Hospital South Campus affiliated with Shanghai Jiaotong University, Shanghai, China (mainland)
| | - Zeng-Yong Qiao
- Department of Cardiology, The Sixth People's Hospital South Campus affiliated with Shanghai Jiaotong University, Shanghai, China (mainland)
| | - Ya-Wei Xu
- Department of Cardiology, Shanghai Tenth Clinical Medical School of Nanjing Medical University, Shanghai, China (mainland)
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21
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Pandey MK, Gupta SC, Nabavizadeh A, Aggarwal BB. Regulation of cell signaling pathways by dietary agents for cancer prevention and treatment. Semin Cancer Biol 2017; 46:158-181. [PMID: 28823533 DOI: 10.1016/j.semcancer.2017.07.002] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 07/05/2017] [Accepted: 07/12/2017] [Indexed: 12/17/2022]
Abstract
Although it is widely accepted that better food habits do play important role in cancer prevention and treatment, how dietary agents mediate their effects remains poorly understood. More than thousand different polyphenols have been identified from dietary plants. In this review, we discuss the underlying mechanism by which dietary agents can modulate a variety of cell-signaling pathways linked to cancer, including transcription factors, nuclear factor κB (NF-κB), signal transducer and activator of transcription 3 (STAT3), activator protein-1 (AP-1), β-catenin/Wnt, peroxisome proliferator activator receptor- gamma (PPAR-γ), Sonic Hedgehog, and nuclear factor erythroid 2 (Nrf2); growth factors receptors (EGFR, VEGFR, IGF1-R); protein Kinases (Ras/Raf, mTOR, PI3K, Bcr-abl and AMPK); and pro-inflammatory mediators (TNF-α, interleukins, COX-2, 5-LOX). In addition, modulation of proteasome and epigenetic changes by the dietary agents also play a major role in their ability to control cancer. Both in vitro and animal based studies support the role of dietary agents in cancer. The efficacy of dietary agents by clinical trials has also been reported. Importantly, natural agents are already in clinical trials against different kinds of cancer. Overall both in vitro and in vivo studies performed with dietary agents strongly support their role in cancer prevention. Thus, the famous quote "Let food be thy medicine and medicine be thy food" made by Hippocrates 25 centuries ago still holds good.
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Affiliation(s)
- Manoj K Pandey
- Department of Biomedical Sciences, Cooper Medical School of Rowan University, Camden, NJ, USA.
| | - Subash C Gupta
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Ali Nabavizadeh
- Department of Biomedical Sciences, Cooper Medical School of Rowan University, Camden, NJ, USA
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22
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Liu CZ, Chang JH, Zhang L, Xue HF, Liu XG, Liu P, Fu Q. Preparation and Evaluation of Diosgenin Nanocrystals to Improve Oral Bioavailability. AAPS PharmSciTech 2017; 18:2067-2076. [PMID: 27995466 DOI: 10.1208/s12249-016-0684-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 11/30/2016] [Indexed: 01/11/2023] Open
Abstract
Diosgenin (DSG), a well-known steroid sapogenin derived from Dioscorea nipponica Makino and Dioscorea zingiberensis Wright, has a variety of bioactivities. However, it shows low oral bioavailability due to poor aqueous solubility and strong hydrophobicity. The present study aimed to develop DSG nanocrystals to increase the dissolution and then improve the oral bioavailability and biopharmaceutical properties of DSG. DSG nanocrystals were prepared by the media milling method using a combination of pluronic F127 and sodium dodecyl sulfate as surface stabilizers. The physicochemical properties of the optimal DSG nanocrystals were characterized using their particle size distribution, morphology, differential scanning calorimetry, powder X-ray diffraction, Fourier transform infrared spectroscopy data, and solubility and dissolution test results. Pharmacokinetic studies of the DSG coarse suspension and its nanocrystals were performed in rats. The particle size and polydispersity index of DSG nanocrystals were 229.0 ± 3.7 nm and 0.163 ± 0.064, respectively. DSG retained its original crystalline state during the manufacturing process, and its chemical structure was not compromised by the nanonizing process. The dissolution rate of the freeze-dried DSG nanocrystals was significantly improved in comparison with the original DSG. The pharmacokinetic studies showed that the AUC0-72h and C max of DSG nanocrystals increased markedly (p < 0.01) in comparison with the DSG coarse suspension by about 2.55- and 2.01-fold, respectively. The use of optimized nanocrystals is a good and efficient strategy for oral administration of DSG due to the increased dissolution rate and oral bioavailability of DSG nanocrystals.
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23
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Jašová M, Kancirová I, Muráriková M, Farkašová V, Waczulíková I, Ravingerová T, Ziegelhöffer A, Ferko M. Stimulation of mitochondrial ATP synthase activity - a new diazoxide-mediated mechanism of cardioprotection. Physiol Res 2017; 65 Suppl 1:S119-27. [PMID: 27643934 DOI: 10.33549/physiolres.933411] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Pharmacological preconditioning by diazoxide and a model of experimental streptozotocin-induced acute diabetes mellitus (STZ-DM) provided similar levels of cardioprotection assessed as limiting myocardial infarct size. The aim was to explore the possibility of existence of another in vitro mechanism, which could be contributory to cardioprotection mediated by diazoxide treatment. Mitochondrial membrane fluidity and ATP synthase activity in isolated heart mitochondria were determined under the influence of two factors, STZ-DM condition and treatment with diazoxide. Both factors independently increased the ATP synthase activity (p<0.05), as no interaction effect was observed upon the combination of STZ-DM with diazoxide. On the other hand, the mitochondrial membrane fluidity was significantly increased by STZ-DM only; no significant main effect for diazoxide was found. Based on the results from measurements of enzyme kinetics, we assume a direct interaction of diazoxide with the molecule of ATP synthase stimulated its activity by noncompetitive activation. Our present work revealed, for the first time, that cardioprotection induced by diazoxide may not be caused exclusively by mitochondrial K(ATP) opening, but presumably also by a direct interaction of diazoxide with ATP synthase, although the mechanisms for achieving this activation cannot be fully delineated.
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Affiliation(s)
- M Jašová
- Institute for Heart Research, Centre of Excellence of SAS, NOREG, Slovak Academy of Sciences, Bratislava, Slovak Republic.
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Jesus M, Martins APJ, Gallardo E, Silvestre S. Diosgenin: Recent Highlights on Pharmacology and Analytical Methodology. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2016; 2016:4156293. [PMID: 28116217 PMCID: PMC5225340 DOI: 10.1155/2016/4156293] [Citation(s) in RCA: 110] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Revised: 11/08/2016] [Accepted: 11/17/2016] [Indexed: 05/24/2023]
Abstract
Diosgenin, a steroidal sapogenin, occurs abundantly in plants such as Dioscorea alata, Smilax China, and Trigonella foenum graecum. This bioactive phytochemical not only is used as an important starting material for the preparation of several steroidal drugs in the pharmaceutical industry, but has revealed also high potential and interest in the treatment of various types of disorders such as cancer, hypercholesterolemia, inflammation, and several types of infections. Due to its pharmacological and industrial importance, several extraction and analytical procedures have been developed and applied over the years to isolate, detect, and quantify diosgenin, not only in its natural sources and pharmaceutical compositions, but also in animal matrices for pharmacodynamic, pharmacokinetic, and toxicological studies. Within these, HPLC technique coupled to different detectors is the most commonly analytical procedure described for this compound. However, other alternative methods were also published. Thus, the present review aims to provide collective information on the most recent pharmacological data on diosgenin and on the most relevant analytical techniques used to isolate, detect, and quantify this compound as well.
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Affiliation(s)
- Mafalda Jesus
- CICS-UBI, Health Sciences Research Centre, Universidade da Beira Interior, Covilhã, Portugal
| | - Ana P. J. Martins
- CICS-UBI, Health Sciences Research Centre, Universidade da Beira Interior, Covilhã, Portugal
| | - Eugenia Gallardo
- CICS-UBI, Health Sciences Research Centre, Universidade da Beira Interior, Covilhã, Portugal
- Laboratório de Fármaco-Toxicologia, UBIMedical, Universidade da Beira Interior, Covilhã, Portugal
| | - Samuel Silvestre
- CICS-UBI, Health Sciences Research Centre, Universidade da Beira Interior, Covilhã, Portugal
- Laboratório de Fármaco-Toxicologia, UBIMedical, Universidade da Beira Interior, Covilhã, Portugal
- Center for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal
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Troxerutin Preconditioning and Ischemic Postconditioning Modulate Inflammatory Response after Myocardial Ischemia/Reperfusion Injury in Rat Model. Inflammation 2016; 40:136-143. [DOI: 10.1007/s10753-016-0462-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Chronic type-I diabetes could not impede the anti-inflammatory and anti-apoptotic effects of combined postconditioning with ischemia and cyclosporine A in myocardial reperfusion injury. J Physiol Biochem 2016; 73:111-120. [PMID: 27771871 DOI: 10.1007/s13105-016-0530-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2015] [Accepted: 10/12/2016] [Indexed: 12/15/2022]
Abstract
It has been shown that diabetes modifies the myocardial responses to ischemia/reperfusion (I/R) and to cardioprotective agents. In this study, we aimed to investigate the effects of combined treatment with ischemic postconditioning (IPostC) and cyclosporine A (CsA) on inflammation and apoptosis of the diabetic myocardium injured by I/R. Eight weeks after induction of diabetes in Wistar rats, hearts were mounted on a Langendorff apparatus and were subsequently subjected to a 30-min regional ischemia followed by 45-min reperfusion. IPostC was induced at the onset of reperfusion, by 3 cycles of 30-s reperfusion/ischemia (R/I). The concentration of creatine kinase (CK), tumor necrosis factor (TNF)-α, interleukin (IL)-1β, and IL-6 were determined; the levels of total and phosphorylated glycogen synthase kinase 3 beta (p-GSK3β) and B-cell lymphoma 2 (Bcl-2) were quantified by western blotting, and the rate of apoptosis was assessed by terminal deoxynucleotidyl transferase-mediated dUTP-biotin nick end labeling (TUNEL) staining. Administration of either IPostC or CsA alone in nondiabetic animals significantly reduced CK, TNF-α, IL-1β, and IL-6 concentrations, increased the p-GSK3β and Bcl-2, and decreased the level of apoptosis (P < 0.05) but had no effect on diabetic hearts. However, in diabetic animals, after administration of CsA, the cardioprotective effects of IPostC in increasing the p-GSK3β and Bcl-2 and decreasing apoptosis and inflammation were restored in comparison with nonpostconditioned diabetic hearts. IPostC or CsA failed to affect apoptosis and inflammation and failed to protect the diabetic myocardium against I/R injury. However, combined administration of IPostC and CsA at reperfusion can protect the diabetic myocardium by decreasing the inflammatory response and apoptosis.
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Nie C, Zhou J, Qin X, Shi X, Zeng Q, Liu J, Yan S, Zhang L. Diosgenin-induced autophagy and apoptosis in a human prostate cancer cell line. Mol Med Rep 2016; 14:4349-4359. [DOI: 10.3892/mmr.2016.5750] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Accepted: 08/02/2016] [Indexed: 11/06/2022] Open
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Hu M, Ye P, Liao H, Chen M, Yang F. Metformin Protects H9C2 Cardiomyocytes from High-Glucose and Hypoxia/Reoxygenation Injury via Inhibition of Reactive Oxygen Species Generation and Inflammatory Responses: Role of AMPK and JNK. J Diabetes Res 2016; 2016:2961954. [PMID: 27294149 PMCID: PMC4884853 DOI: 10.1155/2016/2961954] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Revised: 02/08/2016] [Accepted: 03/29/2016] [Indexed: 12/20/2022] Open
Abstract
Metformin is a first-line drug for the management of type 2 diabetes. Recent studies suggested cardioprotective effects of metformin against ischemia/reperfusion injury. However, it remains elusive whether metformin provides direct protection against hypoxia/reoxygenation (H/R) injury in cardiomyocytes under normal or hyperglycemic conditions. This study in H9C2 rat cardiomyoblasts was designed to determine cell viability under H/R and high-glucose (HG, 33 mM) conditions and the effects of cotreatment with various concentrations of metformin (0, 1, 5, and 10 mM). We further elucidated molecular mechanisms underlying metformin-induced cytoprotection, especially the possible involvement of AMP-activated protein kinase (AMPK) and Jun NH(2)-terminal kinase (JNK). Results indicated that 5 mM metformin improved cell viability, mitochondrial integrity, and respiratory chain activity under HG and/or H/R (P < 0.05). The beneficial effects were associated with reduced levels of reactive oxygen species generation and proinflammatory cytokines (TNF-α, IL-1α, and IL-6) (P < 0.05). Metformin enhanced phosphorylation level of AMPK and suppressed HG + H/R induced JNK activation. Inhibitor of AMPK (compound C) or activator of JNK (anisomycin) abolished the cytoprotective effects of metformin. In conclusion, our study demonstrated for the first time that metformin possessed direct cytoprotective effects against HG and H/R injury in cardiac cells via signaling mechanisms involving activation of AMPK and concomitant inhibition of JNK.
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Affiliation(s)
- Mingyan Hu
- Department of Cardiology, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430014, China
| | - Ping Ye
- Department of Cardiology, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430014, China
| | - Hua Liao
- Department of Cardiology, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430014, China
| | - Manhua Chen
- Department of Cardiology, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430014, China
| | - Feiyan Yang
- Department of Cardiology, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430014, China
- *Feiyan Yang:
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Badalzadeh R, Mohammadi M, Yousefi B, Farajnia S, Najafi M, Mohammadi S. Involvement of Glycogen Synthase Kinase-3β and Oxidation Status in the Loss of Cardioprotection by Postconditioning in Chronic Diabetic Male Rats. Adv Pharm Bull 2015; 5:321-7. [PMID: 26504753 DOI: 10.15171/apb.2015.045] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2014] [Revised: 11/11/2014] [Accepted: 11/13/2014] [Indexed: 01/17/2023] Open
Abstract
PURPOSE Diabetes mellitus as a main risk-factor of ischemic heart disease may interfere with postconditioning'scardioprotective effects. This study aimed to investigate the involvement of glycogen synthase kinase-3β (GSK-3β) and oxidation status in chronic diabetes-induced loss of cardioprotective effect of ischemic-postconditioning (IPostC) in Wistar rats. METHODS After 8 weeks of induction of diabetes by streptozotocin (50mg/kg), hearts of control and diabetic rats were isolated and mounted on a constant-pressure Langendorff system. All hearts were subjected to 30min regional ischemia followed by 60min reperfusion (by occluding and re-opening of left anterior descending coronary artery, respectively). IPostC was applied immediately at the onset of reperfusion. At the end of reperfusion, the infarct size of myocardium was measured via computerized planimetry. Myocardial contents of malondealdehyde and glutathione as indices of oxidative status were assayed spectrophotometrically and the total and phosphorylated forms of myocardial GSK-3β were quantified through western blotting. RESULTS IPostC reduced the infarct size of control hearts from 41±2.9% to 28±1.9% (P<0.05), whereas it could not induce significant changes in infarct size of diabetic animals (35±1.8% vs. 39±3.1%). IPostC-induced reduction in malondealdehyde and elevation in glutathione contents were significant only in control not in diabetic hearts. The total forms of GSK-3β were similar in all groups; however, the phosphorylation of GSK-3β (at Ser9) by IPostC was greater in control hearts than diabetics (P<0.01). CONCLUSION The failure of cardioprotection by IPostC in diabetic hearts may be attributed to the loss of phosphorylation of GSK-3β and thereby increase in oxidative stress in diabetic states.
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Affiliation(s)
- Reza Badalzadeh
- Department of Physiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mustafa Mohammadi
- Department of Physiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Bahman Yousefi
- Students' Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Safar Farajnia
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Moslem Najafi
- Department of Pharmacology, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Shima Mohammadi
- Students' Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
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Yang H, Yin HW, Wang XW, Li ZH, Shen YP, Jia XB. In situ pressurized biphase acid hydrolysis, a promising approach to produce bioactive diosgenin from the tubers of Dioscorea Zingiberensis. Pharmacogn Mag 2015; 11:636-42. [PMID: 26246743 PMCID: PMC4522854 DOI: 10.4103/0973-1296.160472] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Revised: 01/04/2015] [Accepted: 07/10/2015] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND The tubers of Dioscorea zingiberensis, is the most favorable plant material for the production of diosgenin, an important bioactive steroidal sapogenin and requisite precursor of cortin, contraceptive and sex hormone, which is the only desired product after steroidal saponins from the tubers are hydrolyzed. OBJECTIVE A novel technology, in situ pressurized biphase acid hydrolysis was constructed for the first time to simplify extraction process, increase extraction yield and decrease the consumption of mineral acids. MATERIALS AND METHODS The method developed in this study has been optimized and verified through orthogonal design for experiments, in which the effect and their significance of four factors including molarity of acid, temperature, extraction duration and sample quantity have been investigated. Then, the comparison was conducted among the newly developed method and other reported methods. The diosgenin was also isolated by column chromatography, followed by mass spectrometry and nuclear magnetic resonance analysis for structural confirmation. RESULTS It was found that temperature is the factor of the most influence and the highest extraction yield at 2.21% has been achieved while the hydrolysis was performed at 140°C for 1.5 h in 0.20M H2SO4 solution with petroleum ether under an uncontrolled pressurized condition. And, compared to the others, the increment in the extraction yield of new method was 20.8 ~ 74.0%, and the consumption of H2SO4 was reduced by 17 times at most. CONCLUSION This method is a much cleaner and more efficient approach for extraction of diosgenin from the tubers, and is promising to be applied in pharmaceutical industry.
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Affiliation(s)
- Huan Yang
- Department of Chinese Materia Medica, School of Pharmacy, Jiangsu University, Zhenjiang, China
| | - Hua-Wu Yin
- Department of Chinese Materia Medica, School of Pharmacy, Jiangsu University, Zhenjiang, China
| | - Xue-Wei Wang
- Department of Pharmaceutical Science, Jingjiang College, Jiangsu University, Zhenjiang, China
| | - Zi-Hao Li
- Department of Chinese Materia Medica, School of Pharmacy, Jiangsu University, Zhenjiang, China
| | - Yu-Ping Shen
- Department of Chinese Materia Medica, School of Pharmacy, Jiangsu University, Zhenjiang, China
| | - Xiao-Bin Jia
- Department of Chinese Materia Medica, School of Pharmacy, Jiangsu University, Zhenjiang, China ; Department of Pharmaceutical Science, Key Laboratory of New Drug Delivery System of Chinese Materia Medica, Jiangsu Provincial Academy of Chinese Medicine, Nanjing, Jiangsu Province, China
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CHEN Y, TANG YM, YU SL, HAN YW, KOU JP, LIU BL, YU BY. Advances in the pharmacological activities and mechanisms of diosgenin. Chin J Nat Med 2015; 13:578-87. [DOI: 10.1016/s1875-5364(15)30053-4] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Indexed: 12/17/2022]
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Badalzadeh R, Mokhtari B, Yavari R. Contribution of apoptosis in myocardial reperfusion injury and loss of cardioprotection in diabetes mellitus. J Physiol Sci 2015; 65:201-15. [PMID: 25726180 PMCID: PMC10717803 DOI: 10.1007/s12576-015-0365-8] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2014] [Accepted: 02/11/2015] [Indexed: 12/21/2022]
Abstract
Ischemic heart disease is one of the major causes of death worldwide. Ischemia is a condition in which blood flow of the myocardium declines, leading to cardiomyocyte death. However, reperfusion of ischemic regions decreases the rate of mortality, but it can also cause later complications. In a clinical setting, ischemic heart disease is always coincident with other co-morbidities such as diabetes. The risk of heart disease increases 2-3 times in diabetic patients. Apoptosis is considered to be one of the main pathophysiological mechanisms of myocardial ischemia-reperfusion injury. Diabetes can disrupt the anti-apoptotic intracellular signaling cascades involved in myocardial protection. Therefore, targeting these changes may be an effective cardioprotective approach in the diabetic myocardium against ischemia-reperfusion injury. In this article, we review the interaction of diabetes with the pathophysiology of myocardial ischemia-reperfusion injury, focusing on the contribution of apoptosis in this context, and then discuss the alterations of pro-apoptotic or anti-apoptotic pathways probably responsible for the loss of cardioprotection in diabetes.
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Affiliation(s)
- Reza Badalzadeh
- Cardiovascular Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Physiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behnaz Mokhtari
- Department of Physiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Raana Yavari
- Department of Physiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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Badalzadeh R, Layeghzadeh N, Alihemmati A, Mohammadi M. Beneficial effect of troxerutin on diabetes-induced vascular damages in rat aorta: histopathological alterations and antioxidation mechanism. Int J Endocrinol Metab 2015; 13:e25969. [PMID: 25926856 PMCID: PMC4386231 DOI: 10.5812/ijem.25969] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Revised: 01/24/2015] [Accepted: 03/03/2015] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Diabetes is associated with micro- and macro-vascular complications affecting several organs. Oxidative stress plays a crucial role in the etiology of vascular disease in diabetes. OBJECTIVES The present study aimed to investigate the beneficial effect of troxerutin on diabetes-induced histopathological damages in rat aorta with focusing on its antioxidative actions. MATERIALS AND METHODS Male Wistar rats were randomly divided into four groups (n = 8/each): control, control plus troxerutin, diabetic and diabetic plus troxerutin. Diabetes was induced in rats by a single intraperitoneal injection of streptozotocin (50 mg/kg) and lasted for 10 weeks. Troxerutin was administered orally in concentration of 150 mg/kg/daily for one month before killing rats. At the end of treatment period, thoracic aorta was isolated and divided into two parts; one part was immersed in 10% formalin for histopathological evaluations and the other was frozen by liquid nitrogen for assessment of malondialdehyde (MDA, the main product of lipid peroxidation), activity of antioxidant enzymes superoxide dismutase (SOD) and glutathione peroxidase (GPX). RESULTS Lipid deposition in tunica intimae and media, thickening and structural deformity of vascular tissues as well as the level of plasma glucose and aortic tissue levels of lipid peroxidation were significantly increased in diabetic rats compared to control ones (P < 0.05). Troxerutin significantly reduced the severity of all vascular histopathological damages in treated versus untreated diabetic rats. In addition, treatment of diabetic rats with troxerutin significantly decreased the levels of MDA (5.1 ± 0.3 vs. 9.3 ± 1.2 nmol/mL) (P < 0.01) and increased the activity of antioxidant enzyme GPX compared to untreated-diabetic groups. CONCLUSIONS Troxerutin may reduce the vascular complications and tissue injuries induced by chronic diabetes in rat aorta through increasing the activity of tissue antioxidant system and reducing the level of lipid peroxidation.
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Affiliation(s)
- Reza Badalzadeh
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, IR Iran
| | - Nayeleh Layeghzadeh
- Cardiovascular Research Center, Tabriz University of Medical Sciences, Tabriz, IR Iran
- Department of Physiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, IR Iran
| | - Alireza Alihemmati
- Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, IR Iran
- Corresponding author: Alireza Alihemmati, Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, IR Iran. Tel: +98-4133364664, E-mail:
| | - Mustafa Mohammadi
- Department of Physiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, IR Iran
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Fuller S, Stephens JM. Diosgenin, 4-hydroxyisoleucine, and fiber from fenugreek: mechanisms of actions and potential effects on metabolic syndrome. Adv Nutr 2015; 6:189-97. [PMID: 25770257 PMCID: PMC4352177 DOI: 10.3945/an.114.007807] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Metabolic syndrome and its complications continue to rise in prevalence and show no signs of abating in the immediate future. Therefore, the search for effective treatments is a high priority in biomedical research. Products derived from botanicals have a time-honored history of use in the treatment of metabolic diseases including type 2 diabetes. Trigonella foenum-graecum, commonly known as fenugreek, is an annual herbaceous plant that has been a staple of traditional herbal medicine in many cultures. Although fenugreek has been studied in both clinical and basic research settings, questions remain about its efficacy and biologic mechanisms of action. Diosgenin, 4-hydroxyisoleucine, and the fiber component of the plant are the most intensively studied bioactive constituents present in fenugreek. These compounds have been demonstrated to exert beneficial effects on several physiologic markers including glucose tolerance, inflammation, insulin action, liver function, blood lipids, and cardiovascular health. Although insights into the molecular mechanisms underlying the favorable effects of fenugreek have been gained, we still do not have definitive evidence establishing its role as a therapeutic agent in metabolic disease. This review aims to summarize the currently available evidence on the physiologic effects of the 3 best-characterized bioactive compounds of fenugreek, with particular emphasis on biologic mechanisms of action relevant in the context of metabolic syndrome.
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Affiliation(s)
- Scott Fuller
- Pennington Biomedical Research Center, Baton Rouge, LA; and
| | - Jacqueline M Stephens
- Pennington Biomedical Research Center, Baton Rouge, LA; and Department of Biological Sciences, Louisiana State University, Baton Rouge, LA
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Badalzadeh R, Yousefi B, Tajaddini A, Ahmadian N. Diosgenin-induced protection against myocardial ischaemia-reperfusion injury is mediated by mitochondrial KATP channels in a rat model. Perfusion 2014; 30:565-71. [DOI: 10.1177/0267659114566064] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Objective: This study was aimed to evaluate the effects of diosgenin on myocardial ischaemia-reperfusion injury and the potential involvement of mitochondrial KATP (mitoKATP) channel and nitric oxide (NO) system blockades in this field. Materials and methods: After isolation of hearts of male Wister rats, the study was conducted on control and diosgenin- receiving hearts in the presence or absence of 5-HD and L-NAME (as antagonists of mitoKATP channel and NO system, respectively) in an isolated buffer-perfused heart model. Global ischaemia was induced by 30-min occlusion of aortic flow followed by 90-min reperfusion. Cardiac haemodynamics were recorded throughout the experiment using a PowerLab data acquisition system. Results: The levels of creatine kinase (CK-MB) and lactate dehydrogenase (LDH) in the coronary effluents were estimated colourimetrically. Diosgenin pre-administration significantly decreased the release of LDH and CK-MD into the coronary effluent as compared the with the control group (P<0.05). The left ventricular developed pressure (LVDP) and contractility (±dP/dt) were significantly improved and restored to pre-ischaemic values in the diosgenin-receiving group (P<0.05 ). There were no significant differences in left ventricular end-diastolic pressure, coronary flow and heart rate between the control and diosgenin-treated groups during the pre-ischaemic and reperfusion periods. Blocking the mitoKATP channels by 5-HD completely eliminated the positive effect of the diosgenin on the LVDP and ±dP/dt (P<0.05 ). However, blocking the NO system by L-NAME slightly reduced the diosgenin effects and the inhibitory effect of L-NAME was less than 5-HD. Conclusion: The results showed that diosgenin may have cardioprotective effects against myocardial reperfusion injury through activating the mitoKATP channels.
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Affiliation(s)
- R Badalzadeh
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - B Yousefi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - A Tajaddini
- Student Research Committee, Tabriz University of Medical Sciences,Tabriz, Iran
| | - N Ahmadian
- School of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
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Badalzadeh R, Yousefi B, Majidinia M, Ebrahimi H. Anti-arrhythmic effect of diosgenin in reperfusion-induced myocardial injury in a rat model: activation of nitric oxide system and mitochondrial KATP channel. J Physiol Sci 2014; 64:393-400. [PMID: 25150984 PMCID: PMC10717021 DOI: 10.1007/s12576-014-0333-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2014] [Accepted: 08/08/2014] [Indexed: 11/27/2022]
Abstract
This study was designed to investigate the anti-arrhythmic effect of diosgenin preconditioning in myocardial reperfusion injury in rat, focusing on the involvement of the nitric oxide (NO) system and mitochondrial ATP-dependent potassium (mitoKATP) channels in this scenario. After isolation of the hearts of male Wister rats, the study was conducted in an isolated buffer-perfused heart model. Global ischemia (for 30 min) was induced by interruption of the aortic supply, which was followed by 90-min reperfusion. Throughout the experiment, the electrocardiograms of hearts were monitored using three golden surface electrodes connected to a data acquisition system. Arrhythmias were assessed based on the Lambeth convention and were categorized as number, duration and incidence of ventricular tachycardia (VT), ventricular fibrillation (VF), and premature ventricular complexes (PVC), and arrhythmic score. Additionally, lactate dehydrogenase (LDH) levels in coronary effluent were estimated colorimetrically. Diosgenin pre-administration for 20 min before ischemia reduced the LDH release into the coronary effluent, as compared with control hearts (P < 0.05). In addition, the diosgenin-receiving group showed a lower number of PVC, VT and VF, a reduced duration and incidence of VT and VF, and less severe arrhythmia at reperfusion phase, in comparison with controls. Blocking the mitoKATP channels using 5-hydroxydecanoate as well as inhibiting the NO system through prior administration of L-NAME significantly reduced the positive effects of diosgenin. Our finding showed that pre-administration of diosgenin could provide cardioprotection through anti-arrhythmic effects against ischemia-reperfusion (I/R) injury in isolated rat hearts. In addition, mitoKATP channels and NO system may be the key players in diosgenin-induced cardioprotective mechanisms.
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Affiliation(s)
- Reza Badalzadeh
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Cardiovascular Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Bahman Yousefi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Students’ Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Majidinia
- Students’ Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hadi Ebrahimi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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