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Lin S, Zhang Y, Ye P, Zhao H, Yang K, Hao G. Oyster ( Ostrea Plicatula Gmelin) Peptides Improve Exercise Endurance Capacity via Activating AMPK and HO-1. JOURNAL OF THE AMERICAN NUTRITION ASSOCIATION 2024; 43:437-451. [PMID: 38305833 DOI: 10.1080/27697061.2024.2306516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 01/11/2024] [Indexed: 02/03/2024]
Abstract
OBJECTIVE Previous studies have shown that oyster peptides (OPs) have antioxidant and anti-fatigue activities. This study aimed to investigate the effects of OPs on swimming endurance in mice and the underlying mechanisms. METHODS The mice were subjected to gavage with OPs and subjected to exercise training. After 14 days, various biochemical indicators in the blood and gastrocnemius muscle of mice were assessed, and real-time PCR was utilized to detect the level of signal pathway regulation by OPs in the gastrocnemius muscle. Molecular docking technology was employed to observe the potential active components in OPs that regulate signal pathways. RESULTS In this study, OPs supplementation combined with and without exercise significantly extended swimming time compared to the sedentary group. OPs supplementation with exercise also increased glycogen levels and decreased blood urea nitrogen, lactate dehydrogenase, and lactic acid levels. Additionally, mice in the exercise with OPs group exhibited higher activities of antioxidant enzymes. OPs can upregulate metabolic regulatory factors such as AMP-activated protein kinase, peroxisome proliferator-activated receptor gamma coactivator-1 alpha, peroxisome proliferator-activated receptor delta, and glucose transporter 4, thereby increasing energy supply during exercise. Additionally, OPs enhances the expression of heme oxygenase 1 and superoxide dismutase 2, thereby reducing oxidative stress during physical activity. Molecular docking analyses revealed that peptides found in OPs formed hydrogen bonds with AMPK and HO-1, indicating that they can exert bioactivity by activating target proteins such as AMPK and HO-1. CONCLUSIONS OPs supplementation improved energy reserves, modulated energy metabolism pathways, and coordinated antioxidative stress responses, ultimately enhancing swimming endurance. These findings suggest that OPs have the potential to improve exercise levels by promoting metabolism and improving energy utilization efficiency.
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Affiliation(s)
- Shuting Lin
- Central Laboratory, The Second Affiliated Hospital of Xiamen Medical College, Xiamen, China
| | - Yuni Zhang
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen, China
| | - Peng Ye
- Technology Center, Xiamen Customs District P. R. China, Xiamen, China
| | - Houhua Zhao
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen, China
| | - Keyu Yang
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen, China
| | - Gengxin Hao
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen, China
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2
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Ma S, Lu G, Zhang Q, Ding N, Jie Y, Zhang H, Xu L, Xie L, Yang X, Zhang H, Jiang Y. Extracellular-superoxide dismutase DNA methylation promotes oxidative stress in homocysteine-induced atherosclerosis. Acta Biochim Biophys Sin (Shanghai) 2022; 54:1222-1233. [PMID: 35866603 PMCID: PMC9827811 DOI: 10.3724/abbs.2022093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
In the present study, we investigate the effect of homocysteine (Hcy) on extracellular-superoxide dismutase (EC-SOD) DNA methylation in the aorta of mice, and explore the underlying mechanism in macrophages, trying to identify the key targets of Hcy-induced EC-SOD methylation changes. ApoE -/- mice are fed different diets for 15 weeks, EC-SOD and DNA methyltransferase 1 (DNMT1) expression levels are detected by RT-PCR and western blot analysis. EC-SOD methylation levels are assessed by ntMS-PCR. After EC-SOD overexpression or knockdown in macrophages, following the transfection of macrophages with pEGFP-N1-DNMT1, the methylation levels of EC-SOD are detected. Our data show that the concentrations of Hcy and the area of atherogenic lesions are significantly increased in ApoE -/- mice fed with a high-methionine diet, and have a positive correlation with the levels of superoxide anions, which indicates that Hcy-activated superoxide anions enhance the development of atherogenic lesions. EC-SOD expression is suppressed by Hcy, and the content of superoxide anion is increased when EC-SOD is silenced by RNAi in macrophages, suggesting that EC-SOD plays a major part in oxidative stress induced by Hcy. Furthermore, the promoter activity of EC-SOD is increased following transfection with the -1/-1100 fragment, and EC-SOD methylation level is significantly suppressed by Hcy, and more significantly decreased upon DNMT1 overexpression. In conclusion, Hcy may alter the DNA methylation status and DNMT1 acts as the essential enzyme in the methyl transfer process to disturb the status of EC-SOD DNA methylation, leading to decreased expression of EC-SOD and increased oxidative stress and atherosclerosis.
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Affiliation(s)
- Shengchao Ma
- NHC Key Laboratory of Metabolic Cardiovascular Diseases ResearchNingxia Medical UniversityYinchuan750004China,Ningxia Key Laboratory of Vascular Injury and Repair ResearchNingxia Medical UniversityYinchuan750004China,The School of Basic Medical SciencesNingxia Medical University Yinchuan 750004China
| | - Guanjun Lu
- NHC Key Laboratory of Metabolic Cardiovascular Diseases ResearchNingxia Medical UniversityYinchuan750004China,Ningxia Key Laboratory of Vascular Injury and Repair ResearchNingxia Medical UniversityYinchuan750004China,Department of UrologyClinical School of MedicineNingxia Medical UniversityYinchuan750004China
| | - Qing Zhang
- NHC Key Laboratory of Metabolic Cardiovascular Diseases ResearchNingxia Medical UniversityYinchuan750004China,Ningxia Key Laboratory of Vascular Injury and Repair ResearchNingxia Medical UniversityYinchuan750004China,The School of Basic Medical SciencesNingxia Medical University Yinchuan 750004China
| | - Ning Ding
- NHC Key Laboratory of Metabolic Cardiovascular Diseases ResearchNingxia Medical UniversityYinchuan750004China,Ningxia Key Laboratory of Vascular Injury and Repair ResearchNingxia Medical UniversityYinchuan750004China,The School of Basic Medical SciencesNingxia Medical University Yinchuan 750004China
| | - Yuzhen Jie
- NHC Key Laboratory of Metabolic Cardiovascular Diseases ResearchNingxia Medical UniversityYinchuan750004China,Ningxia Key Laboratory of Vascular Injury and Repair ResearchNingxia Medical UniversityYinchuan750004China,The School of Basic Medical SciencesNingxia Medical University Yinchuan 750004China,Department of UrologyClinical School of MedicineNingxia Medical UniversityYinchuan750004China
| | - Hui Zhang
- NHC Key Laboratory of Metabolic Cardiovascular Diseases ResearchNingxia Medical UniversityYinchuan750004China,Ningxia Key Laboratory of Vascular Injury and Repair ResearchNingxia Medical UniversityYinchuan750004China,The School of Basic Medical SciencesNingxia Medical University Yinchuan 750004China
| | - Lingbo Xu
- NHC Key Laboratory of Metabolic Cardiovascular Diseases ResearchNingxia Medical UniversityYinchuan750004China,Ningxia Key Laboratory of Vascular Injury and Repair ResearchNingxia Medical UniversityYinchuan750004China,The School of Basic Medical SciencesNingxia Medical University Yinchuan 750004China
| | - Lin Xie
- NHC Key Laboratory of Metabolic Cardiovascular Diseases ResearchNingxia Medical UniversityYinchuan750004China,Ningxia Key Laboratory of Vascular Injury and Repair ResearchNingxia Medical UniversityYinchuan750004China,The School of Basic Medical SciencesNingxia Medical University Yinchuan 750004China
| | - Xiaoling Yang
- NHC Key Laboratory of Metabolic Cardiovascular Diseases ResearchNingxia Medical UniversityYinchuan750004China,Ningxia Key Laboratory of Vascular Injury and Repair ResearchNingxia Medical UniversityYinchuan750004China,The School of Basic Medical SciencesNingxia Medical University Yinchuan 750004China
| | - Huiping Zhang
- NHC Key Laboratory of Metabolic Cardiovascular Diseases ResearchNingxia Medical UniversityYinchuan750004China,Ningxia Key Laboratory of Vascular Injury and Repair ResearchNingxia Medical UniversityYinchuan750004China,The School of Basic Medical SciencesNingxia Medical University Yinchuan 750004China,Departments of Prenatal DiagnosisMaternal and Child health Hospital of Hunan ProvinceChangsha410008China,Correspondence address: Tel: +86-731-84332201; E-mail: (H.Z.) / Tel: +86-951-6980002; E-mail: (Y.J.) @163.com
| | - Yideng Jiang
- NHC Key Laboratory of Metabolic Cardiovascular Diseases ResearchNingxia Medical UniversityYinchuan750004China,Ningxia Key Laboratory of Vascular Injury and Repair ResearchNingxia Medical UniversityYinchuan750004China,The School of Basic Medical SciencesNingxia Medical University Yinchuan 750004China,Correspondence address: Tel: +86-731-84332201; E-mail: (H.Z.) / Tel: +86-951-6980002; E-mail: (Y.J.) @163.com
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3
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Ginckels P, Holvoet P. Oxidative Stress and Inflammation in Cardiovascular Diseases and Cancer: Role of Non-coding RNAs. THE YALE JOURNAL OF BIOLOGY AND MEDICINE 2022; 95:129-152. [PMID: 35370493 PMCID: PMC8961704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
High oxidative stress, Th1/Th17 immune response, M1 macrophage inflammation, and cell death are associated with cardiovascular diseases. Controlled oxidative stress, Th2/Treg anti-tumor immune response, M2 macrophage inflammation, and survival are associated with cancer. MiR-21 protects against cardiovascular diseases but may induce tumor growth by retaining the anti-inflammatory M2 macrophage and Treg phenotypes and inhibiting apoptosis. Down-regulation of let-7, miR-1, miR-9, miR-16, miR-20a, miR-22a, miR-23a, miR-24a, miR-26a, miR-29, miR-30a, miR-34a, miR-124, miR-128, miR-130a, miR-133, miR-140, miR-143-145, miR-150, miR-153, miR-181a, miR-378, and miR-383 may aid cancer cells to escape from stresses. Upregulation of miR-146 and miR-223 may reduce anti-tumor immune response together with miR-21 that also protects against apoptosis. MiR-155 and silencing of let-7e, miR-125, and miR-126 increase anti-tumor immune response. MiR expression depends on oxidative stress, cytokines, MYC, and TGF-β, and expression of silencing lncRNAs and circ-RNAs. However, one lncRNA or circ-RNA may have opposite effects by targeting several miRs. For example, PVT1 induces apoptosis by targeting miR-16a and miR-30a but inhibits apoptosis by silencing miR-17. In addition, levels of a non-coding RNA in a cell type depend not only on expression in that cell type but also on an exchange of microvesicles between cell types and tumors. Although we got more insight into the function of a growing number of individual non-coding RNAs, overall, we do not know enough how several of them interact in functional networks and how their expression changes at different stages of disease progression.
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Affiliation(s)
- Pieterjan Ginckels
- Department of Architecture, Brussels and Gent, KU Leuven, Leuven, Belgium
| | - Paul Holvoet
- Experimental Cardiology, KU Leuven, Leuven, Belgium,To whom all correspondence should be addressed: Paul Holvoet, Experimental
Cardiology, KU Leuven, Belgium; ; ORCID iD:
https://orcid.org/0000-0001-9201-0772
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4
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Li H, Chen X, Huang Z, Chen D, Yu B, Luo Y, He J, Zheng P, Yu J, Chen H. Ellagic acid enhances muscle endurance by affecting the muscle fiber type, mitochondrial biogenesis and function. Food Funct 2022; 13:1506-1518. [PMID: 35060577 DOI: 10.1039/d1fo02318g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Ellagic acid (EA) is a natural polyphenolic compound, which shows various effects, such as anti-inflammatory and antioxidant effects and inhibition of platelet aggregation. In this study, we investigated the effect of EA on muscle endurance and explored its possible underlying mechanism. Our data showed that EA significantly improved muscle endurance in mice. EA increased the protein level of slow myosin heavy chain (MyHC) I and decreased the protein level of fast MyHC. We also found that the AMP-activated protein kinase (AMPK) signaling pathway was activated by EA. Finally, our data indicated that EA could increase mitochondrial biogenesis and function by increasing the content of mitochondrial DNA (mtDNA), the concentration of ATP, the activities of succinodehydrogenase (SDH) and malate dehydrogenase (MDH), and the mRNA levels of ATP synthase (ATP5G), mtDNA transcription factor A (TFAM), mitochondrial transcription factor b1 (Tfb1m) and citrate synthase (Cs) in mice and C2C12 myotubes. These results proved that EA could enhance muscle endurance via transforming the muscle fiber type and improving mitochondrial biogenesis and function.
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Affiliation(s)
- Huawei Li
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, P. R. China.
| | - Xiaoling Chen
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, P. R. China.
| | - Zhiqing Huang
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, P. R. China.
| | - Daiwen Chen
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, P. R. China.
| | - Bing Yu
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, P. R. China.
| | - Yuheng Luo
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, P. R. China.
| | - Jun He
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, P. R. China.
| | - Ping Zheng
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, P. R. China.
| | - Jie Yu
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan 611130, P. R. China.
| | - Hong Chen
- College of Food Science, Sichuan Agricultural University, Yaan, Sichuan 625014, P. R. China
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5
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Zhuang A, Yang C, Liu Y, Tan Y, Bond ST, Walker S, Sikora T, Laskowski A, Sharma A, de Haan JB, Meikle PJ, Shimizu T, Coughlan MT, Calkin AC, Drew BG. SOD2 in skeletal muscle: New insights from an inducible deletion model. Redox Biol 2021; 47:102135. [PMID: 34598016 PMCID: PMC8487078 DOI: 10.1016/j.redox.2021.102135] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 09/10/2021] [Accepted: 09/13/2021] [Indexed: 01/01/2023] Open
Abstract
Metabolic conditions such as obesity, insulin resistance and glucose intolerance are frequently associated with impairments in skeletal muscle function and metabolism. This is often linked to dysregulation of homeostatic pathways including an increase in reactive oxygen species (ROS) and oxidative stress. One of the main sites of ROS production is the mitochondria, where the flux of substrates through the electron transport chain (ETC) can result in the generation of oxygen free radicals. Fortunately, several mechanisms exist to buffer bursts of intracellular ROS and peroxide production, including the enzymes Catalase, Glutathione Peroxidase and Superoxide Dismutase (SOD). Of the latter, there are two intracellular isoforms; SOD1 which is mostly cytoplasmic, and SOD2 which is found exclusively in the mitochondria. Developmental and chronic loss of these enzymes has been linked to disease in several studies, however the temporal effects of these disturbances remain largely unexplored. Here, we induced a post-developmental (8-week old mice) deletion of SOD2 in skeletal muscle (SOD2-iMKO) and demonstrate that 16 weeks of SOD2 deletion leads to no major impairment in whole body metabolism, despite these mice displaying alterations in aspects of mitochondrial abundance and voluntary ambulatory movement. This is likely partly explained by the suggestive data that a compensatory response may exist from other redox enzymes, including catalase and glutathione peroxidases. Nevertheless, we demonstrated that inducible SOD2 deletion impacts on specific aspects of muscle lipid metabolism, including the abundance of phospholipids and phosphatidic acid (PA), the latter being a key intermediate in several cellular signaling pathways. Thus, our findings suggest that post-developmental deletion of SOD2 induces a more subtle phenotype than previous embryonic models have shown, allowing us to highlight a previously unrecognized link between SOD2, mitochondrial function and bioactive lipid species including PA.
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Affiliation(s)
- Aowen Zhuang
- Baker Heart & Diabetes Institute, Melbourne, 3004, Australia; Central Clinical School, Monash University, Melbourne, 3004, Australia; Baker Department of Cardiometabolic Health, University of Melbourne, Melbourne, Australia
| | - Christine Yang
- Baker Heart & Diabetes Institute, Melbourne, 3004, Australia
| | - Yingying Liu
- Baker Heart & Diabetes Institute, Melbourne, 3004, Australia
| | - Yanie Tan
- Baker Heart & Diabetes Institute, Melbourne, 3004, Australia; Central Clinical School, Monash University, Melbourne, 3004, Australia
| | - Simon T Bond
- Baker Heart & Diabetes Institute, Melbourne, 3004, Australia; Central Clinical School, Monash University, Melbourne, 3004, Australia; Baker Department of Cardiometabolic Health, University of Melbourne, Melbourne, Australia
| | - Shannen Walker
- Baker Heart & Diabetes Institute, Melbourne, 3004, Australia; Central Clinical School, Monash University, Melbourne, 3004, Australia
| | - Tim Sikora
- Baker Heart & Diabetes Institute, Melbourne, 3004, Australia
| | - Adrienne Laskowski
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, 3004, Australia
| | - Arpeeta Sharma
- Baker Heart & Diabetes Institute, Melbourne, 3004, Australia
| | - Judy B de Haan
- Baker Heart & Diabetes Institute, Melbourne, 3004, Australia; Central Clinical School, Monash University, Melbourne, 3004, Australia; Baker Department of Cardiometabolic Health, University of Melbourne, Melbourne, Australia; Department of Physiology, Anatomy and Microbiology, La Trobe University, Melbourne, 3083, Australia; Faculty of Science, Engineering and Technology, Swinburne University, Melbourne, 3122, Australia
| | - Peter J Meikle
- Baker Heart & Diabetes Institute, Melbourne, 3004, Australia; Central Clinical School, Monash University, Melbourne, 3004, Australia; Baker Department of Cardiometabolic Health, University of Melbourne, Melbourne, Australia
| | - Takahiko Shimizu
- Aging Stress Response Research Project Team, National Center for Geriatrics and Gerontology, Obu, Aichi 474-8511, Japan
| | - Melinda T Coughlan
- Baker Heart & Diabetes Institute, Melbourne, 3004, Australia; Department of Diabetes, Central Clinical School, Monash University, Melbourne, 3004, Australia
| | - Anna C Calkin
- Baker Heart & Diabetes Institute, Melbourne, 3004, Australia; Central Clinical School, Monash University, Melbourne, 3004, Australia; Baker Department of Cardiometabolic Health, University of Melbourne, Melbourne, Australia
| | - Brian G Drew
- Baker Heart & Diabetes Institute, Melbourne, 3004, Australia; Central Clinical School, Monash University, Melbourne, 3004, Australia; Baker Department of Cardiometabolic Health, University of Melbourne, Melbourne, Australia.
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Lucas AMB, de Lacerda Alexandre JV, Araújo MTS, David CEB, Ponte Viana YI, Coelho BN, Caldas FRL, Varela ALN, Kowaltowski AJ, Facundo HT. Diazoxide Modulates Cardiac Hypertrophy by Targeting H2O2 Generation and Mitochondrial Superoxide Dismutase Activity. Curr Mol Pharmacol 2021; 13:76-83. [PMID: 31340743 DOI: 10.2174/1874467212666190723144006] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 06/21/2019] [Accepted: 07/01/2019] [Indexed: 12/22/2022]
Abstract
BACKGROUND Cardiac hypertrophy involves marked wall thickening or chamber enlargement. If sustained, this condition will lead to dysfunctional mitochondria and oxidative stress. Mitochondria have ATP-sensitive K+ channels (mitoKATP) in the inner membrane that modulate the redox status of the cell. OBJECTIVE We investigated the in vivo effects of mitoKATP opening on oxidative stress in isoproterenol- induced cardiac hypertrophy. METHODS Cardiac hypertrophy was induced in Swiss mice treated intraperitoneally with isoproterenol (ISO - 30 mg/kg/day) for 8 days. From day 4, diazoxide (DZX - 5 mg/kg/day) was used in order to open mitoKATP (a clinically relevant therapy scheme) and 5-hydroxydecanoate (5HD - 5 mg/kg/day) or glibenclamide (GLI - 3 mg/kg/day) were used as mitoKATP blockers. RESULTS Isoproterenol-treated mice had elevated heart weight/tibia length ratios (HW/TL). Additionally, hypertrophic hearts had elevated levels of carbonylated proteins and Thiobarbituric Acid Reactive Substances (TBARS), markers of protein and lipid oxidation. In contrast, mitoKATP opening with DZX avoided ISO effects on gross hypertrophic markers (HW/TL), carbonylated proteins and TBARS, in a manner reversed by 5HD and GLI. Moreover, DZX improved mitochondrial superoxide dismutase activity. This effect was also blocked by 5HD and GLI. Additionally, ex vivo treatment of isoproterenol- induced hypertrophic cardiac tissue with DZX decreased H2O2 production in a manner sensitive to 5HD, indicating that this drug also acutely avoids oxidative stress. CONCLUSION Our results suggest that diazoxide blocks oxidative stress and reverses cardiac hypertrophy. This pharmacological intervention could be a potential therapeutic strategy to prevent oxidative stress associated with cardiac hypertrophy.
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Ramli NZ, Yahaya MF, Tooyama I, Damanhuri HA. A Mechanistic Evaluation of Antioxidant Nutraceuticals on Their Potential against Age-Associated Neurodegenerative Diseases. Antioxidants (Basel) 2020; 9:E1019. [PMID: 33092139 PMCID: PMC7588884 DOI: 10.3390/antiox9101019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 09/28/2020] [Accepted: 10/14/2020] [Indexed: 02/06/2023] Open
Abstract
Nutraceuticals have been extensively studied worldwide due to its neuroprotective effects in in vivo and in vitro studies, attributed by the antioxidative properties. Alzheimer (AD) and Parkinson disease (PD) are the two main neurodegenerative disorders that are discussed in this review. Both AD and PD share the similar involvement of oxidative stress in their pathophysiology. Nutraceuticals exert their antioxidative effects via direct scavenging of free radicals, prevent damage to biomolecules, indirectly stimulate the endogenous antioxidative enzymes and gene expressions, inhibit activation of pro-oxidant enzymes, and chelate metals. In addition, nutraceuticals can act as modulators of pro-survival, pro-apoptotic, and inflammatory signaling pathways. They have been shown to be effective particularly in preclinical stages, due to their multiple mechanisms of action in attenuating oxidative stress underlying AD and PD. Natural antioxidants from food sources and natural products such as resveratrol, curcumin, green tea polyphenols, and vitamin E are promising therapeutic agents in oxidative stress-mediated neurodegenerative disease as they have fewer adverse effects, more tolerable, cheaper, and sustainable for long term consumption.
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Affiliation(s)
- Nur Zuliani Ramli
- Department of Biochemistry, Faculty of Medicine, UKM Medical Centre, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia;
- Department of Biomedical Sciences and Therapeutics, Faculty of Medicine and Health Sciences, Universiti Malaysia Sabah, Kota Kinabalu 88400, Sabah, Malaysia
| | - Mohamad Fairuz Yahaya
- Department of Anatomy, Faculty of Medicine, UKM Medical Centre, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia;
| | - Ikuo Tooyama
- Molecular Neuroscience Research Centre, Shiga University of Medical Sciences, Seta Tsukinowacho, Otsu 520-2192, Shiga, Japan;
| | - Hanafi Ahmad Damanhuri
- Department of Biochemistry, Faculty of Medicine, UKM Medical Centre, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur 56000, Malaysia;
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Wang Z, Liu Y, Liu X, Zhou L, Ma X, Liu J, Wang L, Guo H. Activation of forkhead box O3a by mono(2-ethylhexyl)phthalate and its role in protection against mono(2-ethylhexyl)phthalate-induced oxidative stress and apoptosis in human cardiomyocytes. J Appl Toxicol 2020; 41:618-631. [PMID: 33029813 DOI: 10.1002/jat.4070] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 08/25/2020] [Accepted: 08/27/2020] [Indexed: 02/06/2023]
Abstract
Mono(2-ethylhexyl)phthalate (MEHP), the active metabolite of di(2-ethylhexyl)phthalate (DEHP), is known to exert cardiotoxicity. The aim of the present study was to investigate the role of forkhead box O3a (FOXO3a) in MEHP-induced human AC16 cardiomyocyte injuries. MEHP reduced cell viability and mitochondrial membrane potential (ΔΨm), whereas it increased lactate dehydrogenase (LDH) leakage, production of reactive oxygen species (ROS), and apoptosis in cardiomyocytes. The expression of FOXO3a and its target genes, mitochondrial superoxide dismutase (Mn-SOD) and apoptosis repressor with caspase recruitment domain (ARC), increased after MEHP exposure, but the expression of p-FOXO3a protein was decreased. Overexpression of FOXO3a decreased the production of ROS and the apoptosis rate induced by MEHP, and the expression of Mn-SOD and ARC was further increased after MEHP exposure. In contrast, knockdown of FOXO3a resulted in increased ROS production and apoptosis and suppressed the expression of Mn-SOD and ARC in the presence of MEHP. However, overexpression or knockdown of FOXO3a did not affect MEHP-induced loss of ΔΨm. In conclusion, the loss of ΔΨm and apoptosis are involved in MEHP-induced cardiomyocyte toxicity. Activation of FOXO3a defends against MEHP-induced oxidative stress and apoptosis by upregulating the expression of Mn-SOD and ARC in AC16 cardiomyocytes.
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Affiliation(s)
- Zeze Wang
- Department of Toxicology, School of Public Health, Hebei Medical University, Shijiazhuang, China.,Department of Tropical Medicine, College of Military Preventive Medicine, Army Medical University, Chongqing, China
| | - Yi Liu
- Department of Toxicology, School of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Xuehui Liu
- Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, China
| | - Lixiao Zhou
- Department of Toxicology, School of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Xindi Ma
- Department of Toxicology, School of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Junyao Liu
- Department of Toxicology, School of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Lei Wang
- Department of Medicinal Chemistry, Hebei Medical University, Shijiazhuang, China
| | - Huicai Guo
- Department of Toxicology, School of Public Health, Hebei Medical University, Shijiazhuang, China.,Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, China
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9
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Wang L, Chen Q, Zhuang S, Wen Y, Cheng W, Zeng Z, Jiang T, Tang C. Effect of Anoectochilus roxburghii flavonoids extract on H 2O 2 - Induced oxidative stress in LO2 cells and D-gal induced aging mice model. JOURNAL OF ETHNOPHARMACOLOGY 2020; 254:112670. [PMID: 32135242 DOI: 10.1016/j.jep.2020.112670] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 02/10/2020] [Accepted: 02/13/2020] [Indexed: 06/10/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Anoectochilus roxburghii (A. roxburghii) is a popular folk medicine in many Asian countries, which has been used traditionally for treatment of some diseases such as diabetes, tumors, hyperlipemia, and hepatitis. The ethanol extract from A. roxburghii was recently shown to exert better ability to scavenge free radicals in vitro and possess antioxidant on natural aging mice in vivo. AIM OF THE STUDY This study is to characterize the chemical composition, and investigate the protective effect of the A. roxburghii flavonoids extract (ARF) against hydrogen peroxide (H2O2)-induced oxidative stress in LO2 cells in vitro and D-galactose (D-gal)-induced aging mice model in vivo, and explore the underlying mechanisms. MATERIALS AND METHODS The chemical components of the flavonoids extract fromA. roxburghii were detected by ultraperformance lipid chromatography coupled with quadrupole-time-of-flight mass spectrometry (UPLC-QTOF-MS/MS). H2O2 was used to establish an oxidative stress model in LO2 cells. Cytotoxic and protective effects of ARF on the LO2 cells were determined using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) method. Moreover, the levels of superoxide dismutase (SOD), glutathione peroxidase (GSH-PX), and malondialdehyde (MDA) in cell supernatants were measured by commercial reagent kits. Kun-Ming mice were induced to aging with D-gal (400 mg/kg, BW) by subcutaneous injection for 58 days. From the 28th day to the 58th day of D-gal treatment, ARF (122.5, 245 and 490 mg/kg, BW) and vitamin E (100 mg/kg, BW) were orally administrated to aging mice once a day for consecutive 30 days. After 25 days of the treatment with ARF, learning and memory were assessed using Morris Water Maze (MWM). At the end of the test period, the animals were euthanized by cervical dislocation, and the levels of SOD, GSH-PX, and MDA in serum, liver homogenates and brain homogenates were measured. The levels of monoamine oxidase (MAO) and acetylcholinesterase (AchE) were determined in brain homogenates. Skin and liver histopathological morphology were observed by H&E staining. Furthermore, antioxidant-related gene expression levels in the liver were carried out by quantitative real-time polymerase chain reaction (qRT-PCR). RESULTS Nine flavonoids were identified in the extracts of A. roxburghii. In vitro assay, a high concentration of ARF (>612.5 μg/ml) reduced the survival rate and had toxic effects on LO2 cells. In addition, ARF (245 μg/ml, 490 μg/ml) and Vitamin C (200 μg/ml) markedly inhibited generations of MDA and increased activities of SOD, GSH-PX in H2O2-induced LO2 cells supernatants. In vivo assay, ARF (122.5 mg/kg, 245 mg/kg and 490 mg/kg) and Vitamin E (100 mg/kg) not only ameliorated learning and memory ability but also improved skin and liver pathological alterations. Strikingly, ARF significantly decreased MDA and MAO levels, markedly enhanced antioxidant enzyme (SOD and GSH-PX) activities. Further, compared to the D-gal group, ARF could obviously up-regulate glutathione peroxidase-1 (GPx-1) and glutathione peroxidase-4 (GPx-4) mRNA levels. CONCLUSIONS These findings suggested that ARF protects LO2 cells against H2O2-induced oxidative stress and exerts the potent anti-aging effects in D-gal aging mice model, which may be related to the inhibition of oxidative stress. Flavonoid compounds may contribute to the anti-oxidative capability and modulating aging.
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Affiliation(s)
- Liping Wang
- College of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Qiangwei Chen
- College of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Suqi Zhuang
- College of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Yuying Wen
- College of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Wanqiu Cheng
- College of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Zhijun Zeng
- College of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Tao Jiang
- Laboratory Animal Center, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Guangzhou Key Laboratory of Construction and Application of New Drug Screening Model Systems, Guangzhou, 510006, China.
| | - Chunping Tang
- College of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou, 510006, Guangdong, China.
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10
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Almomani R, Herkert JC, Posafalvi A, Post JG, Boven LG, van der Zwaag PA, Willems PHGM, van Veen-Hof IH, Verhagen JMA, Wessels MW, Nikkels PGJ, Wintjes LT, van den Berg MP, Sinke RJ, Rodenburg RJ, Niezen-Koning KE, van Tintelen JP, Jongbloed JDH. Homozygous damaging SOD2 variant causes lethal neonatal dilated cardiomyopathy. J Med Genet 2019; 57:23-30. [PMID: 31494578 DOI: 10.1136/jmedgenet-2019-106330] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 07/22/2019] [Accepted: 07/29/2019] [Indexed: 01/05/2023]
Abstract
BACKGROUND Idiopathic dilated cardiomyopathy (DCM) is recognised to be a heritable disorder, yet clinical genetic testing does not produce a diagnosis in >50% of paediatric patients. Identifying a genetic cause is crucial because this knowledge can affect management options, cardiac surveillance in relatives and reproductive decision-making. In this study, we sought to identify the underlying genetic defect in a patient born to consanguineous parents with rapidly progressive DCM that led to death in early infancy. METHODS AND RESULTS Exome sequencing revealed a potentially pathogenic, homozygous missense variant, c.542G>T, p.(Gly181Val), in SOD2. This gene encodes superoxide dismutase 2 (SOD2) or manganese-superoxide dismutase, a mitochondrial matrix protein that scavenges oxygen radicals produced by oxidation-reduction and electron transport reactions occurring in mitochondria via conversion of superoxide anion (O2 -·) into H2O2. Measurement of hydroethidine oxidation showed a significant increase in O2 -· levels in the patient's skin fibroblasts, as compared with controls, and this was paralleled by reduced catalytic activity of SOD2 in patient fibroblasts and muscle. Lentiviral complementation experiments demonstrated that mitochondrial SOD2 activity could be completely restored on transduction with wild type SOD2. CONCLUSION Our results provide evidence that defective SOD2 may lead to toxic increases in the levels of damaging oxygen radicals in the neonatal heart, which can result in rapidly developing heart failure and death. We propose SOD2 as a novel nuclear-encoded mitochondrial protein involved in severe human neonatal cardiomyopathy, thus expanding the wide range of genetic factors involved in paediatric cardiomyopathies.
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Affiliation(s)
- Rowida Almomani
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.,Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid, Jordan
| | - Johanna C Herkert
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Anna Posafalvi
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Jan G Post
- Department of Genetics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Ludolf G Boven
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Paul A van der Zwaag
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Peter H G M Willems
- Department of Biochemistry, Radboud Center for Mitochondrial Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Ingrid H van Veen-Hof
- Laboratory of Metabolic Diseases, Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Judith M A Verhagen
- Department of Clinical Genetics, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Marja W Wessels
- Department of Clinical Genetics, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Peter G J Nikkels
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Liesbeth T Wintjes
- Department of Paediatrics, Radboud Center for Mitochondrial Medicine, Translational Metabolic Laboratory, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Maarten P van den Berg
- Department of Cardiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Richard J Sinke
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Richard J Rodenburg
- Department of Paediatrics, Radboud Center for Mitochondrial Medicine, Translational Metabolic Laboratory, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Klary E Niezen-Koning
- Laboratory of Metabolic Diseases, Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - J Peter van Tintelen
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.,Department of Genetics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Jan D H Jongbloed
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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11
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Calorie restriction attenuates hypertrophy-induced redox imbalance and mitochondrial ATP-sensitive K+ channel repression. J Nutr Biochem 2018; 62:87-94. [DOI: 10.1016/j.jnutbio.2018.08.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 07/12/2018] [Accepted: 08/16/2018] [Indexed: 12/12/2022]
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12
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Knockdown of Sestrin2 Increases Lipopolysaccharide-Induced Oxidative Stress, Apoptosis, and Fibrotic Reactions in H9c2 Cells and Heart Tissues of Mice via an AMPK-Dependent Mechanism. Mediators Inflamm 2018; 2018:6209140. [PMID: 30116150 PMCID: PMC6079459 DOI: 10.1155/2018/6209140] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 04/15/2018] [Accepted: 05/08/2018] [Indexed: 01/13/2023] Open
Abstract
Sestrin2 (sesn2) is an endogenous antioxidant protein that has recently gained attention for its potential to treat various inflammatory diseases. However, the relationship of sesn2 with cardiomyopathy is still unclear. In H9c2 cells, sesn2 knockdown reduced the level of 5′ adenosine monophosphate-activated protein kinase (AMPK) phosphorylation, downregulated antioxidant genes including catalase and superoxide dismutase (SOD2), and increased reactive oxygen species (ROS) production upon lipopolysaccharide (LPS) treatment. LPS-mediated cell death and the expression of matrix metalloproteinase (MMP) 2 and MMP9 were significantly increased by sesn2 knockdown. However, these increases were prevented by treatment with 5-aminoimidazole-4-carboxamide ribonucleotide (AICAR), an AMPK activator. Consistent with the in vitro results, AMPK phosphorylation was decreased in heart tissue from sesn2 knockdown mice compared to heart tissue from control C57BL/6 mice, which was associated with decreased expression of antioxidant genes and increased LPS-mediated cell death signaling. Furthermore, the decrease in AMPK phosphorylation caused by sesn2 knockdown increased LPS-mediated expression of cardiac fibrotic factors, including collagen type I and type III, in addition to MMP2 and MMP9, in heart tissue from C57BL/6 mice. These results suggest that sesn2 is a novel potential therapeutic target for cardiomyopathy under inflammatory conditions.
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13
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Kaewwichit D, Aksornkitti V, Rojanathanes R, Sereemaspun A, Thamyongkit P. Synthesis and structure-property relationship of lipoic acid-containing porphyrin derivatives for mitochondria-targeting applications. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2017.11.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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14
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Xie D, Liao Y, Wu B, Chen Y, Lin W, Lu D, Gao S, Zhu S, Peng C, Jiang MH. Cardiac Nestin + Cells Derived from Early Stage of Dilated Cardiomyopathy Enhanced the Survival of the Doxorubicin-Injured Cardiac Muscle HL-1 Cells. Int Heart J 2018; 59:180-189. [DOI: 10.1536/ihj.17-014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Dongmei Xie
- Department of Cardiology, The Third Affiliated Hospital, Sun Yat-sen University
| | - Yan Liao
- Key Laboratory for Stem Cells and Tissue Engineering, Center for Stem Cell Biology and Tissue Engineering, Ministry of Education, Sun Yat-sen University
| | - Binyuan Wu
- Department of Cardiology, The Third Affiliated Hospital, Sun Yat-sen University
| | - Yang Chen
- Department of Cardiology, The Third Affiliated Hospital, Sun Yat-sen University
| | - Wanwen Lin
- Department of Cardiology, The Third Affiliated Hospital, Sun Yat-sen University
| | - Dihan Lu
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University
| | - Shanquan Gao
- Department of Cardiology, The Third Affiliated Hospital, Sun Yat-sen University
| | - Shuanghua Zhu
- Department of Cardiology, The Third Affiliated Hospital, Sun Yat-sen University
| | - Chaoquan Peng
- Department of Cardiology, The Third Affiliated Hospital, Sun Yat-sen University
| | - Mei Hua Jiang
- Key Laboratory for Stem Cells and Tissue Engineering, Center for Stem Cell Biology and Tissue Engineering, Ministry of Education, Sun Yat-sen University
- Department of Anatomy, Zhongshan School of Medicine, Sun Yat-sen University
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15
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Mitochondria and Cardiac Hypertrophy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 982:203-226. [DOI: 10.1007/978-3-319-55330-6_11] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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16
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Afolayan AJ, Alexander M, Holme RL, Michalkiewicz T, Rana U, Teng RJ, Zemanovic S, Sahoo D, Pritchard KA, Konduri GG. Domain Mapping of Heat Shock Protein 70 Reveals That Glutamic Acid 446 and Arginine 447 Are Critical for Regulating Superoxide Dismutase 2 Function. J Biol Chem 2016; 292:2369-2378. [PMID: 28028182 DOI: 10.1074/jbc.m116.756122] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 12/19/2016] [Indexed: 12/15/2022] Open
Abstract
Stress-inducible heat shock protein 70 (hsp70) interacts with superoxide dismutase 2 (SOD2) in the cytosol after synthesis to transfer the enzyme to the mitochondria for subsequent activation. However, the structural basis for this interaction remains to be defined. To map the SOD2-binding site in hsp70, mutants of hsp70 were made and tested for their ability to bind SOD2. These studies showed that SOD2 binds in the amino acid 393-537 region of the chaperone. To map the hsp70-binding site in SOD2, we used a series of pulldown assays and showed that hsp70 binds to the amino-terminal domain of SOD2. To better define the binding site, we used a series of decoy peptides derived from the primary amino acid sequence in the SOD2-binding site in hsp70. This study shows that SOD2 specifically binds to hsp70 at 445GERAMT450 Small peptides containing GERAMT inhibited the transfer of SOD2 to the mitochondria and decreased SOD2 activity in vitro and in vivo To determine the amino acid residues in hsp70 that are critical for SOD2 interactions, we substituted each amino acid residue for alanine or more conservative residues, glutamine or asparagine, in the GERAMT-binding site. Substitutions of E446A/Q and R447A/Q inhibited the ability of the GERAMT peptide to bind SOD2 and preserved SOD2 function more than other substitutions. Together, these findings indicate that the GERAMT sequence is critical for hsp70-mediated regulation of SOD2 and that Glu446 and Arg447 cooperate with other amino acid residues in the GERAMT-binding site for proper chaperone-dependent regulation of SOD2 antioxidant function.
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Affiliation(s)
- Adeleye J Afolayan
- From the Department of Pediatrics, Cardiovascular Research Center, .,Children's Research Institute
| | - Maxwell Alexander
- From the Department of Pediatrics, Cardiovascular Research Center.,Children's Research Institute
| | - Rebecca L Holme
- Children's Research Institute.,Department of Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin 53226
| | - Teresa Michalkiewicz
- From the Department of Pediatrics, Cardiovascular Research Center.,Children's Research Institute
| | - Ujala Rana
- From the Department of Pediatrics, Cardiovascular Research Center.,Children's Research Institute
| | - Ru-Jeng Teng
- From the Department of Pediatrics, Cardiovascular Research Center.,Children's Research Institute
| | - Sara Zemanovic
- From the Department of Pediatrics, Cardiovascular Research Center.,Children's Research Institute
| | - Daisy Sahoo
- Children's Research Institute.,Department of Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin 53226
| | - Kirkwood A Pritchard
- Children's Research Institute.,Department of Surgery, Division of Pediatric Surgery, and
| | - Girija G Konduri
- From the Department of Pediatrics, Cardiovascular Research Center.,Children's Research Institute
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17
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Brown DA, Perry JB, Allen ME, Sabbah HN, Stauffer BL, Shaikh SR, Cleland JGF, Colucci WS, Butler J, Voors AA, Anker SD, Pitt B, Pieske B, Filippatos G, Greene SJ, Gheorghiade M. Expert consensus document: Mitochondrial function as a therapeutic target in heart failure. Nat Rev Cardiol 2016; 14:238-250. [PMID: 28004807 PMCID: PMC5350035 DOI: 10.1038/nrcardio.2016.203] [Citation(s) in RCA: 477] [Impact Index Per Article: 59.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Heart failure is a pressing worldwide public-health problem with millions of patients having worsening heart failure. Despite all the available therapies, the condition carries a very poor prognosis. Existing therapies provide symptomatic and clinical benefit, but do not fully address molecular abnormalities that occur in cardiomyocytes. This shortcoming is particularly important given that most patients with heart failure have viable dysfunctional myocardium, in which an improvement or normalization of function might be possible. Although the pathophysiology of heart failure is complex, mitochondrial dysfunction seems to be an important target for therapy to improve cardiac function directly. Mitochondrial abnormalities include impaired mitochondrial electron transport chain activity, increased formation of reactive oxygen species, shifted metabolic substrate utilization, aberrant mitochondrial dynamics, and altered ion homeostasis. In this Consensus Statement, insights into the mechanisms of mitochondrial dysfunction in heart failure are presented, along with an overview of emerging treatments with the potential to improve the function of the failing heart by targeting mitochondria.
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Affiliation(s)
- David A Brown
- Department of Human Nutrition, Foods, and Exercise, Virginia Tech, 1035 Integrated Life Sciences Building, 1981 Kraft Drive, Blacksburg, Virginia 24060, USA
| | - Justin B Perry
- Department of Human Nutrition, Foods, and Exercise, Virginia Tech, 1035 Integrated Life Sciences Building, 1981 Kraft Drive, Blacksburg, Virginia 24060, USA
| | - Mitchell E Allen
- Department of Human Nutrition, Foods, and Exercise, Virginia Tech, 1035 Integrated Life Sciences Building, 1981 Kraft Drive, Blacksburg, Virginia 24060, USA
| | - Hani N Sabbah
- Division of Cardiovascular Medicine, Department of Medicine, Henry Ford Hospital, 2799 West Grand Boulevard, Detroit, Michigan 48202, USA
| | - Brian L Stauffer
- Division of Cardiology, Department of Medicine, University of Colorado Denver, 12700 East 19th Avenue, B139, Aurora, Colorado 80045, USA
| | - Saame Raza Shaikh
- Department of Biochemistry and Molecular Biology, East Carolina Diabetes and Obesity Institute, Brody School of Medicine, East Carolina University, 115 Heart Drive, Greenville, North Carolina 27834, USA
| | - John G F Cleland
- National Heart &Lung Institute, National Institute of Health Research Cardiovascular Biomedical Research Unit, Royal Brompton &Harefield Hospitals, Imperial College, London, UK
| | - Wilson S Colucci
- Cardiovascular Medicine Section, Boston University School of Medicine and Boston Medical Center, 88 East Newton Street, C-8, Boston, Massachusetts 02118, USA
| | - Javed Butler
- Division of Cardiology, Health Sciences Center, T-16 Room 080, SUNY at Stony Brook, New York 11794, USA
| | - Adriaan A Voors
- University of Groningen, Department of Cardiology, University Medical Center Groningen, Groningen 9713 GZ, Netherlands
| | - Stefan D Anker
- Department of Innovative Clinical Trials, University Medical Centre Göttingen (UMG), Robert-Koch-Straße, D-37075, Göttingen, Germany
| | - Bertram Pitt
- University of Michigan School of Medicine, 1500 East Medical Center Drive, Ann Arbor, Michigan 48109, USA
| | - Burkert Pieske
- Department of Cardiology, Charité University Medicine, Campus Virchow Klinikum, and German Heart Center Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
| | - Gerasimos Filippatos
- National and Kopodistrian University of Athens, School of Medicine, Heart Failure Unit, Department of Cardiology, Athens University Hospital Attikon, Rimini 1, Athens 12462, Greece
| | - Stephen J Greene
- Division of Cardiology, Duke University Medical Center, 2301 Erwin Road Suite 7400, Durham, North Carolina 27705, USA
| | - Mihai Gheorghiade
- Center for Cardiovascular Innovation, Northwestern University Feinberg School of Medicine, 201 East Huron, Galter 3-150, Chicago, Illinois 60611, USA
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18
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Lucas AM, Caldas FR, da Silva AP, Ventura MM, Leite IM, Filgueiras AB, Silva CGL, Kowaltowski AJ, Facundo HT. Diazoxide prevents reactive oxygen species and mitochondrial damage, leading to anti-hypertrophic effects. Chem Biol Interact 2016; 261:50-55. [PMID: 27867086 DOI: 10.1016/j.cbi.2016.11.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Revised: 10/25/2016] [Accepted: 11/16/2016] [Indexed: 11/30/2022]
Abstract
Pathological cardiac hypertrophy is characterized by wall thickening or chamber enlargement of the heart in response to pressure or volume overload, respectively. This condition will, initially, improve the organ contractile function, but if sustained will render dysfunctional mitochondria and oxidative stress. Mitochondrial ATP-sensitive K+ channels (mitoKATP) modulate the redox status of the cell and protect against several cardiac insults. Here, we tested the hypothesis that mitoKATP opening (using diazoxide) will avoid isoproterenol-induced cardiac hypertrophy in vivo by decreasing reactive oxygen species (ROS) production and mitochondrial Ca2+-induced swelling. To induce cardiac hypertrophy, Swiss mice were treated intraperitoneally with isoproterenol (30 mg/kg/day) for 8 days. Diazoxide (5 mg/kg/day) was used to open mitoKATP and 5-hydroxydecanoate (5 mg/kg/day) was administrated as a mitoKATP blocker. Isoproterenol-treated mice had elevated heart weight/tibia length ratios and increased myocyte cross-sectional areas. Additionally, hypertrophic hearts produced higher levels of H2O2 and had lower glutathione peroxidase activity. In contrast, mitoKATP opening with diazoxide blocked all isoproterenol effects in a manner reversed by 5-hydroxydecanoate. Isolated mitochondria from Isoproterenol-induced hypertrophic hearts had increased susceptibility to Ca2+-induced swelling secondary to mitochondrial permeability transition pore opening. MitokATP opening was accompanied by lower Ca2+-induced mitochondrial swelling, an effect blocked by 5-hydroxydecanoate. Our results suggest that mitoKATP opening negatively regulates cardiac hypertrophy by avoiding oxidative impairment and mitochondrial damage.
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Affiliation(s)
- Aline M Lucas
- Faculdade de Medicina, Universidade Federal do Cariri, Barbalha, CE, Brazil
| | - Francisco R Caldas
- Faculdade de Medicina, Universidade Federal do Cariri, Barbalha, CE, Brazil
| | - Amanda P da Silva
- Faculdade de Medicina, Universidade Federal do Cariri, Barbalha, CE, Brazil
| | | | - Iago M Leite
- Faculdade de Medicina, Universidade Federal do Cariri, Barbalha, CE, Brazil
| | - Ana B Filgueiras
- Faculdade de Medicina, Universidade Federal do Cariri, Barbalha, CE, Brazil
| | - Claúdio G L Silva
- Faculdade de Medicina, Universidade Federal do Cariri, Barbalha, CE, Brazil
| | - Alicia J Kowaltowski
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, Brazil
| | - Heberty T Facundo
- Faculdade de Medicina, Universidade Federal do Cariri, Barbalha, CE, Brazil.
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19
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Effects of Sanguis Draconis on Perforator Flap Survival in Rats. Molecules 2016; 21:molecules21101262. [PMID: 27681718 PMCID: PMC6273294 DOI: 10.3390/molecules21101262] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Revised: 09/14/2016] [Accepted: 09/19/2016] [Indexed: 11/18/2022] Open
Abstract
Sanguis draconis, a resin known to improve blood circulation, relieve pain, stimulate tissue regeneration, and heal wounds, is widely used in clinical practice. In this study, we prepared an ethanol extract of sanguis draconis (EESD) containing 75.08 mg/g of dracorhodin. The experiment was carried out on 20 rats that were divided into two groups, a control group (n = 10) and an EESD group (n = 10). All the rats underwent a perforator flap surgery, after which post-operative abdominal compressions of EESD were given to the EESD group for seven days, while the control group received saline. Flap survival percentages were determined after seven days, and were found to be significantly higher in the EESD group than in the control group. Results of laser Doppler flowmetry (LDF) showed that perforator flaps in the EESD group had higher perfusion values than those of the control group. The flap tissues were stained with hematoxylin and eosin, followed by immunohistochemical evaluation. Superoxide dismutase (SOD) expression and micro-vessel development markedly increased in the EESD group, while malondialdehyde (MDA) levels decreased. This is the first study to investigate the effect of sanguis draconis on perforator flap survival. Our results demonstrate that sanguis draconis can improve perforator flap survival in rats by promoting microvessel regeneration and blood perfusion.
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20
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Luo S, Gu X, Ma F, Liu C, Shen Y, Ge R, Zhu Y. ZYZ451 protects cardiomyocytes from hypoxia-induced apoptosis via enhancing MnSOD and STAT3 interaction. Free Radic Biol Med 2016; 92:1-14. [PMID: 26721595 DOI: 10.1016/j.freeradbiomed.2015.12.026] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Revised: 12/15/2015] [Accepted: 12/19/2015] [Indexed: 10/22/2022]
Abstract
3,5-dimethoxy-4-(2-amino-3-prop-2-ynylsulfanyl-propionyl)-benzoic acid 4-guanidino-butyl ester (ZYZ451) was found to be an excellent cardio-protective agent in the previous research in our lab. However, its potent therapeutic effects on myocardial infarction and the underlying mechanism remain elusive. In the present study, we demonstrate that ZYZ451 protects neonatal rat ventricular cardiomyocytes (NRVCs) from hypoxia-induced apoptosis via increasing manganese-containing superoxide dismutase (MnSOD) activity and inhibiting mitochondrial reactive oxidative species (mitoROS) production. MnSOD knockdown impairs the anti-apoptotic effects of ZYZ451. We report here for the first time that signal transducer and activator of transcription 3 (STAT3), an important nuclear transcriptional factor also identified in mitochondria, co-localizes with MnSOD and interacts with it, as determined by using methods of co-immunofluorescence and co-immunoprecipitation. Knockdown of STAT3 rather than inhibition of STAT3 phosphorylation results in a significant reduction in MnSOD activity. Furthermore, interaction between MnSOD and STAT3 is diminished in STAT3 deficient H9C2 cells. Its novel subcellular localization and interaction with MnSOD suggest that STAT3 may be involved in regulation of MnSOD activity beyond its transcriptional potential. Consistent with the results in vitro, ZYZ451 reduces myocardial infarct size as well as cardiomyocytes apoptosis, inhibits lactate dehydrogenase (LDH) and malondialchehyche (MDA) release, and restores MnSOD activity in peri-infarct hearts. These benefits appear to be attributed to the enhanced interaction between STAT3 and MnSOD. These findings shed a light on a new role of STAT3 in oxidative stress and suggest that ZYZ451 is likely an effective cardio-protective agent.
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Affiliation(s)
- Shanshan Luo
- Department of Pharmacology, School of Pharmacy, Fudan University, 826 Zhangheng Road, Shanghai 201203, China.
| | - Xianfeng Gu
- Department of Medicinal Chemistry, School of Pharmacy, Fudan University, Shanghai 201203, China.
| | - Fenfen Ma
- Department of Pharmacology, School of Pharmacy, Fudan University, 826 Zhangheng Road, Shanghai 201203, China.
| | - Chunhua Liu
- Department of Anatomy and Histological Embryology, School of Medicine and Key Laboratory of Tumor Microenvironment and Neuro-vascular Regulation, Nankai University, Tianjin 300071, China.
| | - Yaqi Shen
- Department of Pharmacology, School of Pharmacy, Fudan University, 826 Zhangheng Road, Shanghai 201203, China.
| | - Ruowen Ge
- Department of Biological Sciences, Faculty of Science, National University of Singapore, Singapore 117543, Singapore.
| | - Yizhun Zhu
- Department of Pharmacology, School of Pharmacy, Fudan University, 826 Zhangheng Road, Shanghai 201203, China; Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore.
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21
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Walters JW, Amos D, Ray K, Santanam N. Mitochondrial redox status as a target for cardiovascular disease. Curr Opin Pharmacol 2016; 27:50-5. [PMID: 26894468 DOI: 10.1016/j.coph.2016.01.006] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Revised: 01/25/2016] [Accepted: 01/29/2016] [Indexed: 02/07/2023]
Abstract
Mitochondria are major players in cellular energetics, oxidative stress and programmed cell death. Mitochondrial dynamics regulate and integrate these functions. Mitochondrial dysfunction is involved in cardiac hypertrophy, hypertension and myocardial ischemia/reperfusion injury. Reactive oxygen species generation is modulated by the fusion-fission pathway as well as key proteins such as sirtuins that act as metabolic sensors of cellular energetics. Mitochondrial redox status has thus become a good target for therapy against cardiovascular diseases. Recently, there is an influx of studies garnered towards assessing the beneficial effects of mitochondrial targeted antioxidants, drugs modulating the fusion-fission proteins, sirtuins, and other mitochondrial processes as potential cardio-protecting agents.
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Affiliation(s)
- James W Walters
- School of Arts & Sciences, Bluefield State College, Basic Science Building B213, 219 Rock Street, Bluefield, WV 24701, USA
| | - Deborah Amos
- Department of Pharmacology, Physiology & Toxicology, Joan C Edwards School of Medicine, Marshall University, One John Marshall Dr, Huntington, WV 25755, USA
| | - Kristeena Ray
- Department of Pharmacology, Physiology & Toxicology, Joan C Edwards School of Medicine, Marshall University, One John Marshall Dr, Huntington, WV 25755, USA
| | - Nalini Santanam
- Department of Pharmacology, Physiology & Toxicology, Joan C Edwards School of Medicine, Marshall University, One John Marshall Dr, Huntington, WV 25755, USA.
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22
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Mitochondrial ATP-sensitive potassium channel opening inhibits isoproterenol-induced cardiac hypertrophy by preventing oxidative damage. J Cardiovasc Pharmacol 2016; 65:393-7. [PMID: 25850726 DOI: 10.1097/fjc.0000000000000210] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Cardiac hypertrophy is a chronic complex disease that occurs in response to hemodynamic load and is accompanied by oxidative stress and mitochondrial dysfunction. Mitochondrial ATP-sensitive K channels (mitoKATPs) have previously been shown to prevent oxidative cardiac damage under conditions of ischemia/reperfusion. However, the effect of these channels on cardiac hypertrophy has not been tested to date. In this study, we show that treatment of Swiss mice with isoproterenol (30 mg·kg·d) induces cardiac hypertrophy while significantly decreasing the levels of reduced protein thiols, glutathione, catalase, and superoxide dismutase activity, indicative of a condition of oxidative imbalance. Treatment with diazoxide (a mitoKATP opener, 5 mg·kg·d) normalized the levels of protein thiols and reduced glutathione, rescued superoxide dismutase activity, and significantly prevented cardiac hypertrophy. The protective effects of diazoxide were mitigated by the mitoKATP blockers 5-hydroxydecanoate (5 mg·kg·d) and glibenclamide (3 mg·kg·d), demonstrating that they were related to activation of the channel. Taken together, our results establish that mitoKATP activation promotes very robust prevention of cardiac hypertrophy and associated oxidative imbalance and suggest that these channels can be important drug targets for the pharmacological control of cardiac hypertrophy.
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Zhen YZ, Lin YJ, Li KJ, Zhang GL, Zhao YF, Wang MM, Wei JB, Wei J, Hu G. Effects of rhein lysinate on D-galactose-induced aging mice. Exp Ther Med 2015; 11:303-308. [PMID: 26889258 DOI: 10.3892/etm.2015.2858] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Accepted: 10/13/2014] [Indexed: 12/31/2022] Open
Abstract
The aim of the present study was to investigate the anti-aging effects of rhein lysinate (RHL), and to explore its mechanism of action in a D-galactose-induced aging mouse model. Aging was induced by D-galactose (100 mg/kg/day) that was subcutaneously injected to animals for 8 weeks. RHL was simultaneously administered once a day by intragastric gavage. The appetite, mental condition, body weight and organ index of the mice were monitored. Superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) activities were determined, and the levels of malondialdehyde (MDA) in the liver, kidney and serum were measured by appropriate assay kits. Western blot analysis was used to detect proteins associated with age. The results indicated that RHL may improve the appetite, mental state and organ conditions of the model mice, improve the activities of SOD and GSH-Px, reduce MDA levels and modulate the expression of age-associated proteins (Sirtuin 1, p21 and p16) in D-galactose-induced mice. Therefore, RHL may be effective at suppressing the aging process through a combination of enhancing antioxidant activity, scavenging free radicals and modulating aging-associated gene expression.
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Affiliation(s)
- Yong-Zhan Zhen
- Hebei Key Laboratory for Chronic Diseases, Tangshan Key Laboratory for Preclinical and Basic Research on Chronic Diseases, School of Basic Medical Sciences, North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Ya-Jun Lin
- Key Laboratory of Geriatrics, Beijing Hospital and Beijing Institute of Geriatrics, Ministry of Health, Beijing 100730, P.R. China
| | - Kai-Ji Li
- Department of Histology and Embryology, Basic Medical College of Hebei United University, Tangshan, Hebei 063000, P.R. China
| | - Guang-Ling Zhang
- Hebei Key Laboratory for Chronic Diseases, Tangshan Key Laboratory for Preclinical and Basic Research on Chronic Diseases, School of Basic Medical Sciences, North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Yu-Fang Zhao
- Hebei Key Laboratory for Chronic Diseases, Tangshan Key Laboratory for Preclinical and Basic Research on Chronic Diseases, School of Basic Medical Sciences, North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Mei-Mei Wang
- Hebei Key Laboratory for Chronic Diseases, Tangshan Key Laboratory for Preclinical and Basic Research on Chronic Diseases, School of Basic Medical Sciences, North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Jing-Bo Wei
- Hebei Key Laboratory for Chronic Diseases, Tangshan Key Laboratory for Preclinical and Basic Research on Chronic Diseases, School of Basic Medical Sciences, North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Jie Wei
- Key Laboratory of Geriatrics, Beijing Hospital and Beijing Institute of Geriatrics, Ministry of Health, Beijing 100730, P.R. China
| | - Gang Hu
- Key Laboratory of Geriatrics, Beijing Hospital and Beijing Institute of Geriatrics, Ministry of Health, Beijing 100730, P.R. China
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Silva AADO, Leal-Junior ECP, D'Avila KDAL, Serra AJ, Albertini R, França CM, Nishida JA, de Carvalho PDTC. Pre-exercise low-level laser therapy improves performance and levels of oxidative stress markers in mdx mice subjected to muscle fatigue by high-intensity exercise. Lasers Med Sci 2015; 30:1719-27. [PMID: 26076829 DOI: 10.1007/s10103-015-1777-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Accepted: 06/04/2015] [Indexed: 01/08/2023]
Abstract
This study was designed to determine if the levels of oxidative stress markers are influenced by low-level laser therapy (LLLT) in mdx mice subjected to high-intensity exercise training on an electric treadmill. We used 21 C57BL/10ScSn-Dmdmdx/J mice and 7 C57BL/10ScSn mice, all aged 4 weeks. The mice were divided into four groups: a positive control group of normal, wild-type mice (WT); a negative control group of untreated mdx mice; a group of mdx mice that underwent forced high-intensity exercise on a treadmill (mdx fatigue); and another group of mdx mice with the same characteristics that were treated with LLLT at a single point on the gastrocnemius muscle of the hind paw and underwent forced high-intensity exercise on a treadmill. The mdx mice treated with LLLT showed significantly lower levels of creatine kinase (CK) and oxidative stress than mdx mice that underwent forced high-intensity exercise on a treadmill. The activities of the antioxidant enzyme superoxide dismutase (SOD) were higher in control mdx mice than in WT mice. LLLT also significantly reduced the level of this marker. LLLT had a beneficial effect also on the skeletal muscle performance of mdx mice. However, the single application of LLLT and the dose parameters used in this study were not able to change the morphology of a dystrophic muscle.
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25
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Heart failure and mitochondrial dysfunction: the role of mitochondrial fission/fusion abnormalities and new therapeutic strategies. J Cardiovasc Pharmacol 2014; 63:196-206. [PMID: 23884159 DOI: 10.1097/01.fjc.0000432861.55968.a6] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The treatment of heart failure (HF) has evolved during the past 30 years with the recognition of neurohormonal activation and the effectiveness of its inhibition in improving the quality of life and survival. Over the past 20 years, there has been a revolution in the investigation of the mitochondrion with the development of new techniques and the finding that mitochondria are connected in networks and undergo constant division (fission) and fusion, even in cardiac myocytes. This has led to new molecular and cellular discoveries in HF, which offer the potential for the development of new molecular-based therapies. Reactive oxygen species are an important cause of mitochondrial and cellular injury in HF, but there are other abnormalities, such as depressed mitochondrial fusion, that may eventually become the targets of at least episodic treatment. The overall need for mitochondrial fission/fusion balance may preclude sustained change in either fission or fusion. In this review, we will discuss the current HF therapy and its impact on the mitochondria. In addition, we will review some of the new drug targets under development. There is potential for effective, novel therapies for HF to arise from new molecular understanding.
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26
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Rhieu BH, Shinde A, Epperly MW, Dixon T, Wang H, Chaillet R, Greenberger JS. Organ-specific responses of total body irradiated doxycycline-inducible manganese superoxide dismutase Tet/Tet mice. In Vivo 2014; 28:1033-1043. [PMID: 25398796 PMCID: PMC6436100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
BACKGROUND/AIM We evaluated doxycycline-inducible manganese superoxide dismutase (MnSOD(tet/tet)) mice after 9.25 Gy total-body irradiation (TBI) or 20 Gy thoracic irradiation. MATERIALS AND METHODS Six-week-old MnSOD(tet/tet) or control C57BL/6NHsd mice on or off doxycycline (doxy) in food received 9.25 Gy TBI, were sacrificed at day 19 and bone marrow, brain, esophagus, heart, intestine, kidney, liver, lung, spleen and tongue harvested, total RNAs extracted and transcripts for irradiation response genes quantitated by real time-polymerase chain reaction (RT-PCR). RESULTS MnSOD(tet/tet) mice only survived with daily injections of doxy beginning 5 days after birth until weaning, at which time they were placed on food containing doxy. Manganese superoxide dismutase (MnSOD) transcript levels were reduced in all tissues except the lung. Adult mice survived with low MnSOD levels, but induced by doxy or TBI. Thoracic-irradiated MnSOD(tet/tet) mice survived past day 120. CONCLUSION MnSOD(tet/tet) mice should be valuable for elucidating the role of MnSOD in growth and irradiation response.
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Affiliation(s)
- Byung Han Rhieu
- Department of Radiation Oncology, University of Pittsburgh Cancer Institute, Pittsburgh, PA, U.S.A
| | - Ashwin Shinde
- Department of Radiation Oncology, University of Pittsburgh Cancer Institute, Pittsburgh, PA, U.S.A
| | - Michael W Epperly
- Department of Radiation Oncology, University of Pittsburgh Cancer Institute, Pittsburgh, PA, U.S.A
| | - Tracy Dixon
- Department of Radiation Oncology, University of Pittsburgh Cancer Institute, Pittsburgh, PA, U.S.A
| | - Hong Wang
- Department of Radiation Oncology, University of Pittsburgh Cancer Institute, Pittsburgh, PA, U.S.A
| | - Richard Chaillet
- Department of Microbiology and Molecular Genetics, University of Pittsburgh, Pittsburgh, PA, U.S.A
| | - Joel S Greenberger
- Department of Radiation Oncology, University of Pittsburgh Cancer Institute, Pittsburgh, PA, U.S.A.
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27
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Moreno-Ulloa A, Nogueira L, Rodriguez A, Barboza J, Hogan MC, Ceballos G, Villarreal F, Ramirez-Sanchez I. Recovery of Indicators of Mitochondrial Biogenesis, Oxidative Stress, and Aging With (-)-Epicatechin in Senile Mice. J Gerontol A Biol Sci Med Sci 2014; 70:1370-8. [PMID: 25143004 DOI: 10.1093/gerona/glu131] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Accepted: 07/03/2014] [Indexed: 01/09/2023] Open
Abstract
There is evidence implicating oxidative stress (OS) as the cause of the deleterious effects of aging. In this study, we evaluated the capacity of the flavanol (-)-epicatechin (Epi) to reduce aging-induced OS and restore mitochondrial biogenesis, as well as, structural and functional endpoints in aged mice. Senile (S; 26-month-old) C57BL/6 male mice were randomly assigned to receive either water (vehicle) or 1mg/kg of Epi via oral gavage (twice daily) for 15 days. Young (Y; 6-month-old) mice were used as controls. In S brain, kidney, heart, and skeletal muscle (compared with Y animals) an increase in OS was observed as evidenced by increased protein-free carbonyls and decreased reduced glutathione levels as well as sirtuin 3, superoxide dismutase 2, catalase, thioredoxin and glutathione peroxidase protein levels. Well-recognized factors (eg, sirtuin 1) that regulate mitochondrial biogenesis and mitochondrial structure- and/or function-related endpoints (eg, mitofilin and citrate synthase) protein levels were also reduced in S organs. In contrast, the aging biomarker senescence-associated β-galactosidase was increased in S compared with Y animals, and Epi administration reduced levels towards those observed in Y animals. Altogether, these data suggest that Epi is capable of shifting the biology of S mice towards that of Y animals.
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Affiliation(s)
- Aldo Moreno-Ulloa
- Department of Medicine, University of California, San Diego, La Jolla, California, USA . Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico
| | - Leonardo Nogueira
- Instituto de Bioquímica Médica Leopoldo De Méis, CCS, UFRJ, Rio de Janeiro, Brazil
| | - Alonso Rodriguez
- Department of Medicine, University of California, San Diego, La Jolla, California, USA
| | - Jonathan Barboza
- Department of Medicine, University of California, San Diego, La Jolla, California, USA
| | - Michael C Hogan
- Department of Medicine, University of California, San Diego, La Jolla, California, USA
| | - Guillermo Ceballos
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico
| | - Francisco Villarreal
- Department of Medicine, University of California, San Diego, La Jolla, California, USA
| | - Israel Ramirez-Sanchez
- Department of Medicine, University of California, San Diego, La Jolla, California, USA . Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico.
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Kwon TD, Lee MW, Kim KH. The effect of exercise training and water extract from propolis intake on the antioxidant enzymes activity of skeletal muscle and liver in rat. J Exerc Nutrition Biochem 2014; 18:9-17. [PMID: 25566434 PMCID: PMC4241933 DOI: 10.5717/jenb.2014.18.1.9] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Revised: 02/07/2014] [Accepted: 02/11/2014] [Indexed: 12/25/2022] Open
Abstract
[Purpose] In this study, the authors have intended to investigate the effects that the exercise training and the intake of the water extract from propolis have on the activity of antioxidant enzymes. [Methods] For this purpose, the exercise training (70% VO2max treadmill running exercise for 60min)of 5 times per week for six weeks and the intake (50mg/kg/day) of the water extract from propolis were performed by separating the experimental animals (SD rats, n=32) into CON(n=8) group, CON+Ex(n=8), PA(n=8), and PA+Ex(n=8). [Results] As a result, the following conclusions were obtained: The concentration of the blood glucose and insulin of the CON+Ex group and PA+Ex group which are the exercise parallel group were significantly decreased in comparison with the control group, whereas if comparing the glycogen concentration in skeletal muscle and liver tissue between the exercise parallel group and the CON group, the former showed significantly high value in comparison with the latter (p < .05). In the case of the activity of the antioxidant enzyme in the skeletal muscle and the liver tissue, the activities of SOD, GPX and CAT in the gastrocnemius muscle tissue of the experimental animals showed significantly high value in PA+Ex group in comparison with other experimental groups (p < .05). In addition, the SOD activity in the liver tissue showed that only PA+Ex group was significantly increased, whereas GDX activity showed significantly higher value in CON+Ex group and PA group than CON group (p < .05). However, the activity of CAT in the liver tissue showed that there is no difference between the experimental groups. As a result that measured the concentration of MDA in order to evaluate the damage level of the tissue by oxygen free radicals, the difference between the groups in the liver tissue was not shown, while it was shown that only PA+Ex group in the skeletal muscle tissue was significantly decreased in comparison with other experimental groups (p < .05). [Conclusion] Taken together the above findings, it is considered that the parallel treatment of the exercise training and the water extract from propolis can not only increase the use of glycogen of the skeletal muscle and liver tissue, but also it can give the effect to suppress the creation of active oxygen by inducing the activity of the antioxidant enzyme in the body, and in the future, the possibility as the exercise supplements and the antioxidant of the water-soluble propolis are expected.
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Affiliation(s)
- Tae Dong Kwon
- Department of Leisure Sports, Kyungpook National University, Sangju, Korea
| | - Mong Woo Lee
- Department of Physical Education, Kyungnam University, Changwon, Korea
| | - Ki Hoon Kim
- Department of Leisure Sports, Kyungpook National University, Sangju, Korea
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Jia H, Sun R, Shi W, Yan Y, Li H, Guo X, Xu B. Characterization of a mitochondrial manganese superoxide dismutase gene from Apis cerana cerana and its role in oxidative stress. JOURNAL OF INSECT PHYSIOLOGY 2014; 60:68-79. [PMID: 24269344 DOI: 10.1016/j.jinsphys.2013.11.004] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2013] [Revised: 11/11/2013] [Accepted: 11/11/2013] [Indexed: 05/16/2023]
Abstract
Mitochondrial manganese superoxide dismutase (mMnSOD) plays a vital role in the defense against reactive oxygen species (ROS) in eukaryotic mitochondria. In this study, we isolated and identified a mMnSOD gene from Apis cerana cerana, which we named AccSOD2. Several putative transcription factor-binding sites were identified within the 5'-flanking region of AccSOD2, which suggests that AccSOD2 may be involved in organismal development and/or environmental stress responses. Quantitative real-time PCR analysis showed that AccSOD2 is highly expressed in larva and pupae during different developmental stages. In addition, the expression of AccSOD2 could be induced by cold (4 °C), heat (42 °C), H2O2, ultraviolet light (UV), HgCl2, and pesticide treatment. Using a disc diffusion assay, we provide evidence that recombinant AccSOD2 protein can play a functional role in protecting cells from oxidative stress. Finally, the in vivo activities of AccSOD2 were measured under a variety of stressful conditions. Taken together, our results indicate that AccSOD2 plays an important role in cellular stress responses and anti-oxidative processes and that it may be of critical importance to honeybee survival.
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Affiliation(s)
- Haihong Jia
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong 271018, PR China
| | - Rujiang Sun
- College of Animal Science and Technology, Shandong Agricultural University, Taian, Shandong 271018, PR China; Yantai Research Institute, China Agricultural University, Yantai, Shandong 264670, PR China
| | - Weina Shi
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong 271018, PR China
| | - Yan Yan
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong 271018, PR China
| | - Han Li
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong 271018, PR China.
| | - Xingqi Guo
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong 271018, PR China
| | - Baohua Xu
- College of Animal Science and Technology, Shandong Agricultural University, Taian, Shandong 271018, PR China.
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Sesamin ameliorates doxorubicin-induced cardiotoxicity: involvement of Sirt1 and Mn-SOD pathway. Toxicol Lett 2013; 224:257-63. [PMID: 24211423 DOI: 10.1016/j.toxlet.2013.10.034] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2013] [Revised: 09/26/2013] [Accepted: 10/28/2013] [Indexed: 12/20/2022]
Abstract
Oxidative stress caused by doxorubicin (DOX) is believed to be a major underlying molecular mechanism of DOX-induced cardiotoxicity. Sesamin (Ses), an active component extracted from sesame seeds, exhibits antioxidative and anti-inflammatory effects. In the present study, possible protective mechanisms of Ses on DOX-induced cardiotoxicity were investigated in rats and cultured H9C2 cells. We demonstrated that Ses exhibits a significant protective effect on cardiac tissue in animal and cell models of DOX-induced cardiac injury. Moreover, Ses can ameliorate DOX-induced oxidative stress and mitochondrial damage. Further studies suggested that Ses is able to up-regulate the protein expression of Mn-SOD in normal rats and to restore the decreased expression of Mn-SOD in DOX-induced cardiac injury rats. Exposure to Ses or DOX alone slightly increased the protein expression of Sirt1; however, a more remarkable increase in Sirt1 protein level was detected in the Ses+DOX group. Treatment with a pan-sirtuin inhibitor (nicotinamide) or a Sirt1-specific inhibitor (EX-527) partially antagonised the effect of Ses on DOX-induced mitochondrial damage and completely abolished the effect of Ses on Mn-SOD expression. These findings indicate that the protective mechanisms of Ses on DOX-induced cardiotoxicity are involved in the alleviation of oxidative stress injury and Mn-SOD dysfunction, partially via the activation of Sirt1.
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Zhao H, Liu J, Pan S, Sun Y, Li Q, Li F, Ma L, Guo Q. SOD mRNA and MDA expression in rectus femoris muscle of rats with different eccentric exercise programs and time points. PLoS One 2013; 8:e73634. [PMID: 24058480 PMCID: PMC3772806 DOI: 10.1371/journal.pone.0073634] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2013] [Accepted: 07/30/2013] [Indexed: 01/28/2023] Open
Abstract
Purpose Although superoxide dismutase (SOD) and malondialdehyde (MDA) affect Delayed Onset Muscle Soreness (DOMS), their effects are unclear in rectus femoris muscles (RFM) of rats with different eccentric exercise programs and time points. The purpose of this study is to investigate the effects of the various eccentric exercise programs at different time points on the SOD mRNA expression and MDA using rat as the animal model. Methods 248 male rats were randomly divided into 4 groups: control group (CTL, n = 8), once-only exercise group (OEG, n = 80), continuous exercise group (CEG, n = 80), and intermittent exercise group (IEG, n = 80). Each exercise group was divided into 10 subgroups that exercised 0.5 h, 6 h, 12 h, 24 h, 48 h, 72 h, 96 h, 120 h, 144 h, or 168 h. Rats were sacrificed and their SOD mRNA expression, and MDA concentrations of skeletal muscle tissue were measured. Results The specimen in all eccentric exercise programs showed increased RFM SOD1 mRNA expression levels at 0.5 h (P<0.05), and decreased RFM SOD3 mRNA expression at 0.5 h (P<0.05). The continuous eccentric exercise (CE) significantly enhanced muscle SOD2 mRNA level at 0.5 h (P<0.05). After once-only eccentric exercise (OE), SOD1, SOD2, and SOD3 mRNA expression significantly increased at 96 h, whereas MDA concentrations decreased at 96 h. After CE, the correlation coefficients of SOD1, SOD2, SOD3 mRNA expression levels and MDA concentrations were −0.814, −0.763, −0.845 (all P<0.05) at 12 h. Conclusion Regular eccentric exercise, especially CE could enhance SOD1 and SOD2 mRNA expression in acute stage and the SOD2 mRNA expression correlates to MDA concentration in vivo, which may improve the oxidative adaption ability of skeletal muscles.
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Affiliation(s)
- Heng Zhao
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Jiani Liu
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Shinong Pan
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, China
- * E-mail:
| | - Yingwei Sun
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Qi Li
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Fei Li
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Li Ma
- Central Laboratory, Shengjing Hospital of China Medical University, Shenyang, China
| | - Qiyong Guo
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, China
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