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Datta M, Majumder R, Banerjee A, Bandyopadhyay D, Chattopadhyay A. Melatonin protects against diclofenac induced oxidative stress mediated myocardial toxicity in rats: A mechanistic insight. Food Chem Toxicol 2024; 190:114813. [PMID: 38876380 DOI: 10.1016/j.fct.2024.114813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 05/31/2024] [Accepted: 06/10/2024] [Indexed: 06/16/2024]
Abstract
Diclofenac, a traditional non-steroidal anti-inflammatory drug, is commonly used for treating chronic pain and inflammation. Recently, a number of articles have highlighted the toxicities associated with diclofenac. The current study explores the molecular mechanism of diclofenac induced cardiac toxicity following oxidative stress. Diclofenac inhibits catalase, disrupts the redox balance in cardiac tissue, accelerates the monoamine oxidase induced hydroperoxide generation and eventually inhibits crucial mitochondrial enzyme, viz., aldehyde dehydrogenase, thereby causing myocardial injury. Melatonin, the pineal indoleamine with high antioxidative efficacy, is well known for its cardio-protective properties and its dietary consumption has profound impact on cardiac health. The present study demonstrates perhaps for the first time, that apart from ameliorating oxidative load in the cardiac tissue, melatonin also attenuates the inhibition of catalase and aldehyde dehydrogenase, and prevents stress mediated stimulation of monoamine oxidase. Moreover, favourable binding of diclofenac with melatonin may protect the myocardium from the deleterious effects of this drug. The results indicate toward a novel mechanism of protection by melatonin, having future therapeutic relevance.
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Affiliation(s)
- Madhuri Datta
- Department of Physiology, Vidyasagar College, 39, Sankar Ghosh Lane, Kolkata, 700006, India; Oxidative Stress and Free Radical Biology Laboratory, Department of Physiology, University of Calcutta, 92, APC Road, Kolkata, 700009, India
| | - Romit Majumder
- Department of Physiology, Vidyasagar College, 39, Sankar Ghosh Lane, Kolkata, 700006, India; Oxidative Stress and Free Radical Biology Laboratory, Department of Physiology, University of Calcutta, 92, APC Road, Kolkata, 700009, India
| | - Adrita Banerjee
- Department of Physiology, Vidyasagar College, 39, Sankar Ghosh Lane, Kolkata, 700006, India; Oxidative Stress and Free Radical Biology Laboratory, Department of Physiology, University of Calcutta, 92, APC Road, Kolkata, 700009, India
| | - Debasish Bandyopadhyay
- Oxidative Stress and Free Radical Biology Laboratory, Department of Physiology, University of Calcutta, 92, APC Road, Kolkata, 700009, India.
| | - Aindrila Chattopadhyay
- Department of Physiology, Vidyasagar College, 39, Sankar Ghosh Lane, Kolkata, 700006, India.
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2
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Li J, Xie Y, Zheng S, He H, Wang Z, Li X, Jiao S, Liu D, Yang F, Zhao H, Li P, Sun Y. Targeting autophagy in diabetic cardiomyopathy: From molecular mechanisms to pharmacotherapy. Biomed Pharmacother 2024; 175:116790. [PMID: 38776677 DOI: 10.1016/j.biopha.2024.116790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Revised: 05/13/2024] [Accepted: 05/17/2024] [Indexed: 05/25/2024] Open
Abstract
Diabetic cardiomyopathy (DCM) is a cardiac microvascular complication caused by metabolic disorders. It is characterized by myocardial remodeling and dysfunction. The pathogenesis of DCM is associated with abnormal cellular metabolism and organelle accumulation. Autophagy is thought to play a key role in the diabetic heart, and a growing body of research suggests that modulating autophagy may be a potential therapeutic strategy for DCM. Here, we have summarized the major signaling pathways involved in the regulation of autophagy in DCM, including Adenosine 5'-monophosphate-activated protein kinase (AMPK), mechanistic target of rapamycin (mTOR), Forkhead box subfamily O proteins (FOXOs), Sirtuins (SIRTs), and PTEN-inducible kinase 1 (PINK1)/Parkin. Given the significant role of autophagy in DCM, we further identified natural products and chemical drugs as regulators of autophagy in the treatment of DCM. This review may help to better understand the autophagy mechanism of drugs for DCM and promote their clinical application.
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Affiliation(s)
- Jie Li
- China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Beijing, China
| | - Yingying Xie
- Department of Cardiology, China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Shuwen Zheng
- Beijing University of Chinese Medicine School of Traditional Chinese Medicine, Beijing, China
| | - Haoming He
- Department of Cardiology, China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Zhe Wang
- Department of Cardiology, China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Xuexi Li
- Department of Cardiology, China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Siqi Jiao
- Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China
| | - Dong Liu
- Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China
| | - Furong Yang
- Beijing University of Chinese Medicine School of Traditional Chinese Medicine, Beijing, China
| | - Hailing Zhao
- Beijing Key Laboratory for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China.
| | - Ping Li
- Beijing Key Laboratory for Immune-Mediated Inflammatory Diseases, Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China.
| | - Yihong Sun
- Department of Cardiology, China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China; Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China.
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3
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Bisht K, Verma VK, Abdullah Z, Prajapati V, Rajiv N, Bhatia J, Ray R, Nag TC, Arya DS. Arglabin: A mediator of inflammasome modulated and independent myocardial injury (PARA-AMI study). Eur J Pharmacol 2024; 970:176465. [PMID: 38479722 DOI: 10.1016/j.ejphar.2024.176465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 02/01/2024] [Accepted: 02/28/2024] [Indexed: 03/19/2024]
Abstract
BACKGROUND Arglabin is a plant alkaloid (sesquiterpene lactone) that is used as an anticancer drug. It has potential anti-diabetic and anti-atherogenic effects. PURPOSE Arglabin has drawn particular attention because of its therapeutic effects as an anti-inflammatory agent in multiple diseases. Since arglabin inhibits Epidermal Growth Factor Receptor (EGFR) tyrosine kinase, concerns for cardiotoxic effects are valid. The present study was designed to investigate the protective effects of arglabin on the myocardium. STUDY DESIGN This study was designed to evaluate the effect of arglabin on the myocardium in an experimental model of myocardial necrosis in rats. Different doses of arglabin (2.5, 5, and 10 μg/kg) were investigated as pre-treatment for 21 days in the isoproterenol (ISO) model of myocardial necrosis groups and per se groups. METHODS On the 22nd day, hemodynamic, histopathological, electron microscopy, oxidative stress markers, inflammatory mediators, apoptotic markers, inflammasome mediators, and Western blot analysis were performed to evaluate the effects of arglabin. RESULTS Arglabin pre-treatment showed improvement in hemodynamic parameters and histopathological findings at low doses in isoproterenol-induced myocardial necrosis model of rats. Arglabin administration altered myocardial structure and modulated myocardial function via activation of NFκB/MAPK pathway that led to myocardial injury with an increase in dose. CONCLUSION Arglabin imparted partial cardio-protection via an inflammasome-dependent pathway and mediated injury through the inflammasome-independent pathway.
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Affiliation(s)
- Khushboo Bisht
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, India
| | - Vipin Kumar Verma
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, India
| | - Zia Abdullah
- Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India
| | - Vaishali Prajapati
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, India
| | - Narang Rajiv
- Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India
| | - Jagriti Bhatia
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, India
| | - Ruma Ray
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Tapas Chandra Nag
- Department of Anatomy, All India Institute of Medical Sciences, New Delhi, India
| | - Dharamvir Singh Arya
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, India.
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4
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El-Sayed SF, Abdelhamid AM, ZeinElabdeen SG, El-Wafaey DI, Moursi SMM. Melatonin enhances captopril mediated cardioprotective effects and improves mitochondrial dynamics in male Wistar rats with chronic heart failure. Sci Rep 2024; 14:575. [PMID: 38182706 PMCID: PMC10770053 DOI: 10.1038/s41598-023-50730-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Accepted: 12/23/2023] [Indexed: 01/07/2024] Open
Abstract
Mitochondrial dysfunction is a recent emerging research scope that proved to be involved in many cardiovascular diseases culminating in chronic heart failure (CHF), which remains one of the primary causes of morbidity and mortality. This study investigated the added cardio-protective effects of exogenous melatonin administration to conventional captopril therapy in isoproterenol (ISO) exposed rats with CHF. Five groups of Wistar rats were recruited; (I): Control group, (II): (ISO group), (III): (ISO + captopril group), (IV): (ISO + melatonin group) and (V): (ISO + melatonin/captopril group). Cardiac function parameters and some oxidant, inflammatory and fibrotic markers were investigated. Moreover; mRNA expression of mitochondrial mitophagy [parkin & PTEN induced kinase 1 (PINK1)], biogenesis [Peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α)], fusion [mitofusin 2 (Mfn2)] and fission [dynamin-related protein 1 (DRP-1)] parameters in rat's myocardium were evaluated. Rats' myocardium was histo-pathologically and immunohistochemically evaluated for Beclin1 and Sirt3 expression. The present study revealed that captopril and melatonin ameliorated cardiac injury, oxidative stress biomarkers, and pro-inflammatory cytokines in ISO-exposed rats. These protective effects could be attributed to mitochondrial dynamic proteins control (i.e. enhanced the mRNA expression of parkin, PINK1, PGC-1α and Mfn2, while reduced DRP-1 mRNA expression). Also, Beclin1 and Sirt3 cardiac immunoreactivity were improved. Combined captopril and melatonin therapy showed a better response than either agent alone. Melatonin enhanced myocardial mitochondrial dynamics and Sirt3 expression in CHF rats and may represent a promising upcoming therapy added to conventional heart failure treatment.
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Affiliation(s)
- Sherein F El-Sayed
- Medical Physiology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | | | | | - Dalia Ibrahim El-Wafaey
- Human Anatomy and Embryology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt.
| | - Suzan M M Moursi
- Medical Physiology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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5
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Abedalqader NN, Rababa'h AM, Ababneh M. The protective effect of rivaroxaban with or without aspirin on inflammation, oxidative stress, and platelet reactivity in isoproterenol-induced cardiac injury in rats. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:337-351. [PMID: 36334131 DOI: 10.1007/s00210-022-02319-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022]
Abstract
Coronary artery diseases are principal sources of mortality and disability in global human population. Progressively, rivaroxaban is being evaluated for the prevention of atherosclerotic thrombi, particularly with anti-platelet agents. Hence, the current report aimed to investigate the cardioprotective effect of rivaroxaban on isoproterenol (ISO)-induced cardiac injury model in rats and the possible synergistic effect when combined with aspirin. Male Wistar rats were randomly assigned into five different groups. Cardiac injury was induced by subcutaneous injection of ISO (85 mg/kg) for 2 consecutive days. Rat tail bleeding time was performed prior to sacrifice. Cardiac enzymes, platelet activity, inflammatory, and oxidative stress biomarkers levels were measured using enzyme-linked immunoassay (ELISA). Pre-administration of rivaroxaban alone and on combination with aspirin prevented ISO-induced increase in cardiac thiobarbituric acid reactive substances (TBARS), interleukin 6 (IL-6), and thromboxane B2 (TXB2) levels. Moreover, a significant prolongation of bleeding time was demonstrated among aspirin, rivaroxaban, and aspirin plus rivaroxaban treated groups. On the other hand, the combination treatment of aspirin plus rivaroxaban showed no marked difference in these biomarkers and bleeding time relative to either drug administered separately. However, a prominent decrease of cardiac 6-keto prostaglandin F1α (6-Keto-PGF1α) level was displayed in the combination treatment when compared with ISO and rivaroxaban-treated groups, whereas no significant improvement was seen in cardiac glycoprotein V (GPV) levels except in aspirin-treated group. The study results demonstrated that rivaroxaban decreases cardiac oxidative stress, inflammation, and platelets reactivity. However, the addition of rivaroxaban to aspirin did not seem to show synergistic antioxidant, anti-inflammatory, or antiplatelet effect.
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Affiliation(s)
- Nour N Abedalqader
- Department of Clinical Pharmacy, Faculty of Pharmacy, Jordan University of Science and Technology, PO Box 3030, Irbid, 22110, Jordan
| | - Abeer M Rababa'h
- Department of Clinical Pharmacy, Faculty of Pharmacy, Jordan University of Science and Technology, PO Box 3030, Irbid, 22110, Jordan.
| | - Mera Ababneh
- Department of Clinical Pharmacy, Faculty of Pharmacy, Jordan University of Science and Technology, PO Box 3030, Irbid, 22110, Jordan
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Ma Y, Wang P, Wu Z, Li M, Gu Y, Wu H, Liu H. Curdione Relieved Isoproterenol-Induced Myocardial Damage through Inhibiting Oxidative Stress and Apoptosis. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2023; 51:73-89. [PMID: 36472847 DOI: 10.1142/s0192415x23500052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Isoproterenol (ISO) is widely used to treat bronchial asthma, cardiogenic or septic shock, complete atrioventricular block, and cardiac arrest. However, it can also cause myocardial damage owing to infarct-like necrosis. Curdione, an extract of the Chinese herb Rhizoma Curcumae, has a variety of pharmacological activities, including cardioprotective effects. In this study, we investigated the protective effects of curdione and its underlying mechanisms in an ISO-induced myocardial injury model. Our results showed that curdione attenuated ISO-induced H9c2 cell proliferation inhibition and lactic dehydrogenase (LDH) release. Curdione ameliorated morphological damage and reduced the ISO-induced elevation of serum creatine kinase-MB isoenzyme (CK-MB) and LDH. Furthermore, curdione inhibited ISO-induced cell apoptosis, modulated the expression of Bcl-2 and Bax proteins, repealed the accumulation of ISO-induced reactive oxygen species (ROS), prevented mitochondrial dysfunction, and activated the Nrf2/SOD1/HO-1 signaling pathway. The above results show that curdione exerts a protective effect against ISO-induced myocardial damage by inhibiting apoptosis and oxidative stress, suggesting that curdione is a potential therapeutic strategy to prevent ISO-induced myocardial damage.
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Affiliation(s)
- Yulei Ma
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
| | - Penghe Wang
- Department of Cardiovasology, Shanghai Changhai Hospital, Shanghai 200433, P. R. China.,Department of Cardiology, Baicheng People's Hospital, Akesu City, Xinjiang 842300, P. R. China
| | - Zimei Wu
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, P. R. China.,Department of Pharmacy, Huashan Hospital, Fudan University, Shanghai 200040, P. R. China
| | - Mengru Li
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
| | - Yuting Gu
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
| | - Hong Wu
- Department of Cardiovasology, Shanghai Changhai Hospital, Shanghai 200433, P. R. China
| | - Hongrui Liu
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
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7
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Eddie-Amadi BF, Ezejiofor AN, Orish CN, Orisakwe OE. Zn and Se abrogate heavy metal mixture induced ovarian and thyroid oxido-inflammatory effects mediated by activation of NRF2-HMOX-1 in female albino rats. Curr Res Toxicol 2022; 4:100098. [PMID: 36624872 PMCID: PMC9823124 DOI: 10.1016/j.crtox.2022.100098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 12/16/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022] Open
Abstract
The thyroid is vital for the proper functioning of the female reproductive system since it regulates the metabolism and development of ovary. This is an evaluation of the essential trace elements ETE on the heavy metals mixture HMM mediated oxido-inflammatory effects in the ovary and thyroid of female albino rats. Eight groups (5 female rats /group) were treated as follows for 60 days: Group 1: Deionized water only; Group 2: (Pb, Hg, Mn and Al); Group 3: HMM + ZnCl2, 0.80 mg/kg; Group 4: HMM + Na2SeO3, 1.50 mg/kg; Group 5: HMM + ZnCl2, 0.80 mg/kg and Na2SeO3, 1.50 mg/kg combined. On day 60 animals were euthanized, ovary and thyroid were harvested and used for, MDA, NO, antioxidants, TNF-α, IL-6, HMOX-1, Caspase-3, NF-KB, NRF2, HM and histopathology. There was significant bioaccumulation of Pb, Al, Hg and MN; elevated IL-6 and TNF-α, MDA and NO, caspase-3 and NRF2, NFKB and HMOX-1 with significant decrease in antioxidants in the HMM only group in comparison to the control. Co-treatment with ETE reversed most of these effects. ETE may ameliorate HMM -induced ovarian and thyrotoxicity in female albino rats by blunting oxido-inflammatory activities.
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Affiliation(s)
- Boma F. Eddie-Amadi
- World Bank Africa Centre of Excellence in Oilfield Chemicals Research (ACE-CEFOR), University of Port Harcourt, PMB, 5323 Port Harcourt, Choba, Nigeria
| | - Anthonet N. Ezejiofor
- African Centre of Excellence for Public Health and Toxicological Research (ACE-PUTOR), University of Port Harcourt, PMB, 5323 Port Harcourt, Choba, Nigeria
| | - Chinna N. Orish
- Department of Anatomy, Faculty of Basic Medical Sciences, College of Health Sciences, University of Port Harcourt, PMB, 5323 Port Harcourt, Choba, Nigeria
| | - Orish E. Orisakwe
- World Bank Africa Centre of Excellence in Oilfield Chemicals Research (ACE-CEFOR), University of Port Harcourt, PMB, 5323 Port Harcourt, Choba, Nigeria,Corresponding author at: African Centre of Excellence for Public Health and Toxicological Research (ACE-PUTOR), University of Port Harcourt, PMB, 5323 Port Harcourt, Choba, Nigeria.
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8
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Fiserova I, Trinh MD, Elkalaf M, Vacek L, Heide M, Martinkova S, Bechynska K, Kosek V, Hajslova J, Fiser O, Tousek P, Polak J. Isoprenaline modified the lipidomic profile and reduced β-oxidation in HL-1 cardiomyocytes: In vitro model of takotsubo syndrome. Front Cardiovasc Med 2022; 9:917989. [PMID: 36072861 PMCID: PMC9441769 DOI: 10.3389/fcvm.2022.917989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
Recent studies have suggested a pathogenetic link between impaired mitochondria and Takotsubo syndrome (TTS), which is closely connected with catecholamine overstimulation, poor outcomes, and changes in lipid metabolism. We investigated the changes in lipid metabolism at the level of fatty acid β-oxidation and changes in the intracellular lipidomic spectrum. The immortalized cell line of HL-1 cardiomyocytes was used in this study as an established in vitro model of TTS. The cells were exposed to the non-selective β-agonist isoprenaline (ISO) for acute (2 h) and prolonged (24 h) periods. We investigated the impact on mitochondrial adenosine 5’-triphosphate (ATP) production and β-oxidation using real-time cell metabolic analysis, total lipid content, and changes in the lipidomic spectrum using high-performance liquid chromatography (HPLC) and mass spectrometry. Furthermore, modifications of selected lipid transporters were determined using real-time – polymerase chain reaction (RT-PCR) and/or Western blot techniques. By choosing this wide range of targets, we provide a detailed overview of molecular changes in lipid metabolism during catecholamine overstimulation. The present study demonstrates that acute exposure to ISO decreased ATP production by up to 42.2%, and prolonged exposure to ISO decreased β-oxidation by 86.4%. Prolonged exposure to ISO also increased lipid accumulation by 4%. Lipid spectrum analysis of prolonged exposure to ISO showed a reduced concentration of cardioprotective and an increased concentration of lipotoxic lipid molecules during long-term exposure. Decreased lipid utilization can lead to higher intracellular lipid accumulation and the formation of lipotoxic molecules. Changes in the lipid spectrum can induce pathophysiological signaling pathways leading to cardiomyocyte remodeling or apoptosis. Thus, changes in lipid metabolism induced by excessive doses of catecholamines may cause TTS and contribute to a progression of heart failure, which is at increased risk after a TTS episode.
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Affiliation(s)
- Ivana Fiserova
- Department of Pathophysiology, Third Faculty of Medicine, Charles University, Prague, Czechia
- Department of Cardiology, Third Faculty of Medicine, Charles University and University Hospital Královské Vinohrady, Prague, Czechia
| | - Minh Duc Trinh
- Department of Pathophysiology, Third Faculty of Medicine, Charles University, Prague, Czechia
- Department of Cardiology, Third Faculty of Medicine, Charles University and University Hospital Královské Vinohrady, Prague, Czechia
| | - Moustafa Elkalaf
- Department of Pathophysiology, Third Faculty of Medicine, Charles University, Prague, Czechia
- Department of Physiology, Faculty of Medicine in Hradec Kralove, Charles University, Hradec Kralove, Czechia
| | - Lukas Vacek
- Department of Pathophysiology, Third Faculty of Medicine, Charles University, Prague, Czechia
| | - Marek Heide
- Department of Pathophysiology, Third Faculty of Medicine, Charles University, Prague, Czechia
| | - Stanislava Martinkova
- Department of Biochemistry, Cell and Molecular Biology, Third Faculty of Medicine, Charles University, Prague, Czechia
| | - Kamila Bechynska
- Department of Food Analysis and Nutrition, University of Chemistry and Technology Prague, Prague, Czechia
| | - Vit Kosek
- Department of Food Analysis and Nutrition, University of Chemistry and Technology Prague, Prague, Czechia
| | - Jana Hajslova
- Department of Food Analysis and Nutrition, University of Chemistry and Technology Prague, Prague, Czechia
| | - Ondrej Fiser
- Department of Biomedical Technology, Faculty of Biomedical Engineering, Czech Technical University in Prague, Prague, Czechia
| | - Petr Tousek
- Department of Cardiology, Third Faculty of Medicine, Charles University and University Hospital Královské Vinohrady, Prague, Czechia
| | - Jan Polak
- Department of Pathophysiology, Third Faculty of Medicine, Charles University, Prague, Czechia
- *Correspondence: Jan Polak,
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9
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Han X, Qi J, Yang Y, Zheng B, Liu M, Liu Y, Li L, Guan S, Jia Q, Chu L. Protective mechanisms of 10-gingerol against myocardial ischemia may involve activation of JAK2/STAT3 pathway and regulation of Ca 2+ homeostasis. Biomed Pharmacother 2022; 151:113082. [PMID: 35569350 DOI: 10.1016/j.biopha.2022.113082] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 04/25/2022] [Accepted: 05/04/2022] [Indexed: 11/29/2022] Open
Abstract
10-Gingerol (10-Gin), an active ingredient extracted from ginger, has been reported to have beneficial effects on the cardiovascular system. However, its protective effects on myocardial ischemia (MI) and the underlying cellular mechanisms are still unclear. To investigate the protection conferred by 10-Gin against MI injury and its potential mechanisms in cardiomyocytes via patch-clamp and molecular biology techniques. A rat MI model was established using the subcutaneous injection of isoproterenol (85 mg/kg) administered on two consecutive days. 10-Gin was pre-administered to rats for seven days to assess its cardio-protection. The patch-clamp and IonOptix Myocam detection techniques were used to investigated 10-Gin's effects on L-type Ca2+ channels (LTCCs), Ca2+ transients and cell contractility in isolated rat cardiomyocytes. 10-Gin administration alleviated MI injury, improved cardiac function and myocardial histopathology, reduced myocardial infarct area, downregulated oxidative stress and Ca2+ levels, and decreased the expression of apoptotic factors. Importantly, 10-Gin led to an increase in phosphorylated Janus kinase 2 and signal transducer and activator of transcription 3 (JAK2 and STAT3, respectively) expressions. Furthermore, 10-Gin inhibited LTCCs in a concentration-dependent manner with a half-maximal inhibitory concentration of 75.96 μM. Moreover, 10-Gin administration inhibited Ca2+ transients and cell contractility. Our results suggest that 10-Gin exerts cardioprotective effects on MI in vivo and in vitro in connection with the inhibition of oxidative stress and apoptosis via activation of the JAK2/STAT3 signalling pathway, and regulation of Ca2+ homeostasis by LTCCs.
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Affiliation(s)
- Xue Han
- School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050200, China
| | - Jiaying Qi
- School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050200, China
| | - Yakun Yang
- School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050200, China
| | - Bin Zheng
- School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050200, China
| | - Miaomiao Liu
- School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050200, China
| | - Yu Liu
- School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050200, China
| | - Li Li
- School of Pharmacy, Hebei Medical University, Shijiazhuang, Hebei 050200, China
| | - Shengjiang Guan
- Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050011, China; School of Basic Medicine, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050200, China.
| | - Qingzhong Jia
- School of Pharmacy, Hebei Medical University, Shijiazhuang, Hebei 050200, China.
| | - Li Chu
- School of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050200, China; Hebei Key Laboratory of Chinese Medicine Research on Cardio-cerebrovascular Disease, Shijiazhuang, Hebei 050200, China.
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10
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Meshram S, Verma VK, Mutneja E, Sahu AK, Malik S, Mishra P, Bhatia J, Arya DS. Evidence-based mechanistic role of chrysin towards protection of cardiac hypertrophy and fibrosis in rats. Br J Nutr 2022; 129:1-14. [PMID: 35177130 DOI: 10.1017/s0007114522000472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Cardiac hypertrophy is the enlargement of cardiomyocytes in response to persistent release of catecholamine which further leads to cardiac fibrosis. Chrysin, flavonoid from honey, is well known for its multifarious properties like antioxidant, anti-inflammatory, anti-fibrotic and anti-apoptotic. To investigate the cardioprotective potential of chrysin against isoproterenol (ISO), cardiac hypertrophy and fibrosis are induced in rats. Acclimatised male albino Wistar rats were divided into seven groups (n 6): normal (carboxymethyl cellulose at 0·5 % p.o.; as vehicle), hypertrophy control (ISO 3 mg/kg, s.c.), CHY15 + H, CHY30 + H & CHY60 + H (chrysin; p.o.15, 30 and 60 mg/kg respectively + ISO at 3 mg/kg, s.c.), CHY60 (chrysin 60 mg/kg in per se) and LST + H (losartan 10 mg/kg p.o. + ISO 3 mg/kg, s.c.) were treated for 28 d. After the dosing schedule on day 29, haemodynamic parameters were recorded, after that blood and heart were excised for biochemical, histological, ultra-structural and molecular evaluations. ISO administration significantly increases heart weight:body weight ratio, pro-oxidants, inflammatory and cardiac injury markers. Further, histopathological, ultra-structural and molecular studies confirmed deteriorative changes due to ISO administration. Pre-treatment with chrysin of 60 mg/kg reversed the ISO-induced damage to myocardium and prevent cardiac hypertrophy and fibrosis through various anti-inflammatory, anti-apoptotic, antioxidant and anti-fibrotic pathways. Data demonstrated that chrysin attenuated myocardial hypertrophy and prevented fibrosis via activation of transforming growth factor-beta (TGF-β)/Smad signalling pathway.
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Affiliation(s)
- Sonali Meshram
- Cardiovascular Research Laboratory, Department of Pharmacology, All India Institute of Medical Sciences, New Delhi110029, India
| | - Vipin Kumar Verma
- Cardiovascular Research Laboratory, Department of Pharmacology, All India Institute of Medical Sciences, New Delhi110029, India
| | - Ekta Mutneja
- Cardiovascular Research Laboratory, Department of Pharmacology, All India Institute of Medical Sciences, New Delhi110029, India
| | - Anil Kumar Sahu
- Cardiovascular Research Laboratory, Department of Pharmacology, All India Institute of Medical Sciences, New Delhi110029, India
| | - Salma Malik
- Cardiovascular Research Laboratory, Department of Pharmacology, All India Institute of Medical Sciences, New Delhi110029, India
| | - Prashant Mishra
- Cardiovascular Research Laboratory, Department of Pharmacology, All India Institute of Medical Sciences, New Delhi110029, India
| | - Jagriti Bhatia
- Cardiovascular Research Laboratory, Department of Pharmacology, All India Institute of Medical Sciences, New Delhi110029, India
| | - Dharamvir S Arya
- Cardiovascular Research Laboratory, Department of Pharmacology, All India Institute of Medical Sciences, New Delhi110029, India
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Viswanatha GL, Shylaja H, Keni R, Nandakumar K, Rajesh S. A systematic review and meta‐analysis on the cardio‐protective activity of naringin based on pre‐clinical evidences. Phytother Res 2022; 36:1064-1092. [DOI: 10.1002/ptr.7368] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 10/15/2021] [Accepted: 12/10/2021] [Indexed: 12/12/2022]
Affiliation(s)
| | | | - Raghuvir Keni
- Department of Pharmacology Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education Manipal India
| | - Krishnadas Nandakumar
- Department of Pharmacology Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education Manipal India
| | - Subbanna Rajesh
- Department of Pharmacology Government College of Pharmacy Bangalore India
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12
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Nehdi A, Samman N, Mashhour A, Alhallaj A, Trivilegio T, Gul S, Reinshagen J, Alaskar A, Gmati G, Abuelgasim KA, Mansour F, Boudjelal M. A Drug Repositioning Approach Identifies a Combination of Compounds as a Potential Regimen for Chronic Lymphocytic Leukemia Treatment. Front Oncol 2021; 11:579488. [PMID: 34123769 PMCID: PMC8195271 DOI: 10.3389/fonc.2021.579488] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 05/06/2021] [Indexed: 11/13/2022] Open
Abstract
Drug repositioning is a promising and powerful innovative strategy in the field of drug discovery. In this study, we screened a compound-library containing 800 Food and Drug Administration approved drugs for their anti-leukemic effect. All screening activities made use of human peripheral blood mononuclear cells (PBMCs), isolated from healthy or leukemic donors. Compounds with confirmed cytotoxicity were selected and classified in three groups: i) anti-neoplastic compounds which are drugs used in leukemia treatment, ii) compounds known to have an anti-cancer effect and iii) compounds demonstrating an anti-leukemic potential for the first time. The latter group was the most interesting from a drug repositioning perspective and yielded a single compound, namely Isoprenaline which is a non-selective β-adrenergic agonist. Analysis of the cytotoxic effect of this drug indicated that it induces sustainable intracellular ATP depletion leading, over time, to necrotic cell death. We exploited the Isoprenaline-induced intracellular ATP depletion to sensitize primary leukemic cells to fludarabine (purine analogue) and Ibrutinib (Bruton's tyrosine kinase inhibitor) treatment. In-vitro treatment of primary leukemic cells with a combination of Isoprenaline/fludarabine or Isoprenaline/Ibrutinib showed a very high synergistic effect. These combinations could constitute a new efficient regimen for CLL treatment following successful evaluation in animal models and clinical trials.
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Affiliation(s)
- Atef Nehdi
- Medical Research Core Facility and Platforms, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
- Department of Life Sciences, Faculty of Sciences of Gabes, University of Gabes, Gabes, Tunisia
- King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Nosaibah Samman
- Medical Research Core Facility and Platforms, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Abdullah Mashhour
- Medical Research Core Facility and Platforms, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Alshaimaa Alhallaj
- Medical Research Core Facility and Platforms, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Thadeo Trivilegio
- Medical Research Core Facility and Platforms, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Sheraz Gul
- Fraunhofer Institute for Molecular Biology and Applied Ecology IME-ScreeningPort, Hamburg, Germany
| | - Jeanette Reinshagen
- Fraunhofer Institute for Molecular Biology and Applied Ecology IME-ScreeningPort, Hamburg, Germany
| | - Ahmed Alaskar
- Medical Research Core Facility and Platforms, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Division of Hematology & HCT, Department of Oncology, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Gamal Gmati
- King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Division of Hematology & HCT, Department of Oncology, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Khadega A. Abuelgasim
- King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Division of Hematology & HCT, Department of Oncology, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Fatmah Mansour
- Medical Research Core Facility and Platforms, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Mohamed Boudjelal
- Medical Research Core Facility and Platforms, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
- King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
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13
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Hu C, Zhao L, Zhang F, Li L. Melatonin and its protective role in attenuating warm or cold hepatic ischaemia/reperfusion injury. Cell Prolif 2021; 54:e13021. [PMID: 33751704 PMCID: PMC8016647 DOI: 10.1111/cpr.13021] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 01/27/2021] [Accepted: 02/21/2021] [Indexed: 12/26/2022] Open
Abstract
Although the liver is the only organ with regenerative capacity, various injury factors induce irreversible liver dysfunction and end‐stage liver disease. Liver resection and liver transplantation (LT) are effective treatments for individuals with liver failure, liver cirrhosis and liver cancers. The remnant or transplanted liver tissues will undergo hepatic ischaemia/reperfusion (IR), which leads to oxidative stress, inflammation, immune injury and liver damage. Moreover, systemic ischaemia induced by trauma, stroke, myocardial ischaemia, haemorrhagic shock and other injury factors also induces liver ischaemia/reperfusion injury (IRI) in individuals. Hepatic IRI can be divided into warm IRI, which is induced by liver surgery and systemic ischaemia, and cold IRI, which is induced by LT. Multiple studies have shown that melatonin (MT) acts as an endogenous free radical scavenger with antioxidant capacity and is also able to attenuate hepatic IRI via its anti‐inflammatory and antiapoptotic capacities. In this review, we discuss the potential mechanisms and current strategies of MT administration in liver surgery for protecting against warm or cold hepatic IRI. We highlight strategies to improve the efficacy and safety of MT for attenuating hepatic IRI in different conditions. After the potential mechanisms underlying the interactions between MT and other important cellular processes during hepatic IR are clarified, more opportunities will be available to use MT to treat liver diseases in the future.
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Affiliation(s)
- Chenxia Hu
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Lingfei Zhao
- Key Laboratory of Kidney Disease Prevention and Control Technology, Kidney Disease Center, Institute of Nephrology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Fen Zhang
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Lanjuan Li
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for the Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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Concurrent vitamin D supplementation and exercise training improve cardiac fibrosis via TGF-β/Smad signaling in myocardial infarction model of rats. J Physiol Biochem 2021; 77:75-84. [PMID: 33428175 DOI: 10.1007/s13105-020-00778-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Accepted: 12/02/2020] [Indexed: 01/02/2023]
Abstract
Although the role of vitamin D in various types of disorders such as cancer and diabetes has been well recognized, its relation to cardiovascular diseases still remains equivocal. The present study aims to investigate the interactive effects of aerobic-resistance training (ART) and vitamin D3 (VD3) on both cardiac fibrosis and heart functions considering TGF-β1/Smad2, 3 (transforming growth factor-β1/mothers against decapentaplegic homolog 2/3) signaling in the myocardial infarction (MI) model of rats. Fifty-six male Wistar rats were divided into 2 groups of sham (n = 8), and MI (n = 48). Then, MI rats were divided into six groups of VD3, ART, VD3+ART, Veh, Veh+ART, and sedentary MI. The animals received the related treatments for 8 weeks, and then their functional exercise capacity (FEC) and strength gain (SG) were estimated through exercise tests. Ejection fraction (EF%) and fractional shortening (FS%) and serum level of VD3 were measured by echocardiography and ELISA, respectively. Cardiac expressions of TGF-β1, Smad2/3, and collagen I/III were assessed by western blotting and fibrosis by Masson's trichrome staining. The highest EF, parallel with the lowest expression of cardiac TGF-β1, Smad2/3, collagen I, and collagen III were observed in MI + VD3 (P = 0.021), MI + ART (P = 0.001), and MI + VD3 + ART (P < 0.001). Furthermore, similar to FS, the highest FEC and SG were related to the groups of MI + VD3 + ART and MI + ART compared to the MI group. In conclusion, our data indicate that concurrent vitamin D supplementation and ART, compared with monotherapy, successfully improve cardiac function and alleviate myocardial fibrosis via downregulating TGF-β1, Smad2/3 signaling, and also regulating collagen I and III expressions.
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15
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Exogenous supplementation of melatonin alters representative organic acids and enzymes of respiratory cycle as well as sugar metabolism during arsenic stress in two contrasting indica rice cultivars. J Biotechnol 2020; 324:220-232. [PMID: 33068698 DOI: 10.1016/j.jbiotec.2020.10.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 10/08/2020] [Accepted: 10/11/2020] [Indexed: 12/22/2022]
Abstract
The objective of the present investigation was to understand the impact of exogenously applied melatonin on mitochondrial respiration and sugar metabolism in two contrasting rice cultivars, viz., Khitish (arsenic-susceptible) and Muktashri (arsenic-tolerant) under arsenic-stress. Melatonin effectively restored the level of organic acids like pyruvic acid, malic acid and more particularly citric acid by 33 % in Khitish which were lowered during arsenic-stress, whereas their levels were further elevated in Muktashri to provide energy for defence against arsenic-induced injury. Arsenic-exposure led to a significant inhibition in enzyme activities as well as corresponding transcript level of key respiratory enzymes, viz., pyruvate dehydrogenase, citrate synthase, isocitrate dehydrogenase, succinate dehydrogenase and malate dehydrogenase, intriguingly more prominently in case of Khitish. Conversely, melatonin supplementation, irrespective of cultivars, considerably improved the activity of the above enzymes and corresponding gene expressions during stress, indicating acceleration in the rate of Krebs cycle. Melatonin supplementation also stimulated the accumulation of total soluble sugars by 62 % and 25 %, reducing sugars by 50 % and 44 % and non-reducing sugars by 75 % and 14 % in Khitish and Muktashri respectively, concomitant with higher activities of acid invertase, sucrose synthase and sucrose phosphate synthase enzymes, along with the expression of corresponding genes. Enhanced starch accumulation via regulation of alpha amylase and starch phosphorylase activities and gene expression, by melatonin also contributed towards better stress tolerance. Overall, this work illustrated the efficacy of melatonin in the regulation of representative organic acids and enzymes of respiratory cycle along with starch and sugar metabolism in rice cultivars under arsenic toxicity.
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16
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Naaz S, Mishra S, Pal PK, Chattopadhyay A, Das AR, Bandyopadhyay D. Activation of SIRT1/PGC 1α/SIRT3 pathway by melatonin provides protection against mitochondrial dysfunction in isoproterenol induced myocardial injury. Heliyon 2020; 6:e05159. [PMID: 33088945 PMCID: PMC7567935 DOI: 10.1016/j.heliyon.2020.e05159] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 08/16/2020] [Accepted: 10/01/2020] [Indexed: 12/22/2022] Open
Abstract
AIMS Preventing mitochondrial dysfunction and enhancing mitochondrial health and biogenesis is a crucial therapeutic approach to ameliorate injury following acute myocardial infarction. Although the antioxidant role of melatonin against ischemia/reperfusion injury has been reported, the exact mechanism of protection, in vivo, remains poorly understood. This study aims to identify and elaborate upon mechanism of melatonin protection of rat cardiac mitochondria against acute myocardial infarction. MAIN METHODS Rats were pre-treated with melatonin (10 mg/kg body weight (b.w.); intraperitoneally, i.p.) before isoproterenol bitartrate (ISO) administration (25 mg/kg body weight (b.w.) subcutaneously,s.c.) and their effect on rat heart mitochondrial structure and function was studied. Biochemical changes in activity of biomarkers of oxidative stress, antioxidant enzymes as well as Krebs' cycle enzymes were analyzed. Gene expression studies and Isothermal titration calorimetric studies with pure catalase and ISO were also carried out. KEY FINDINGS Melatonin was shown to reduce ISO induced oxidative stress, by stimulating superoxide dismutase activity and removing the inhibition of Krebs' cycle enzymes. Herein we report for the first time in rat model that melatonin activates the SIRT1-PGC-1α-SIRT3 signaling pathways after ISO administration, which ultimately induces mitochondrial biogenesis. Melatonin exhibited significant protection of mitochondrial architecture and topology along with increased calcium ion permeability and reactive oxygen species (ROS) generation induced by ISO. Isothermal calorimetric studies revealed that melatonin binds to ISO molecules and sequesters them from the reaction thereby limiting their interaction with catalase along with occupying the binding sites of catalase themselves. SIGNIFICANCE Activation of SIRT1-PGC-1α-SIRT3 pathway by melatonin along with its biophysical properties prevents ISO induced mitochondrial injury in rat heart.
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Affiliation(s)
- Shamreen Naaz
- Department of Physiology, Oxidative Stress and Free Radical Biology Laboratory, University of Calcutta, University College of Science and Technology, 92, APC Road, Kolkata 700 009, West Bengal, India
- Department of Physiology, Vidyasagar College for Women, Kolkata 700 006, India
| | - Sanatan Mishra
- Department of Physiology, Oxidative Stress and Free Radical Biology Laboratory, University of Calcutta, University College of Science and Technology, 92, APC Road, Kolkata 700 009, West Bengal, India
- Department of Physiology, Vidyasagar College, Kolkata 700 006, India
| | - Palash K. Pal
- Department of Physiology, Oxidative Stress and Free Radical Biology Laboratory, University of Calcutta, University College of Science and Technology, 92, APC Road, Kolkata 700 009, West Bengal, India
| | | | - Asish R. Das
- Department of Chemistry, University of Calcutta, University College of Science and Technology, 92, APC Road, Kolkata 700 009, West Bengal, India
| | - Debasish Bandyopadhyay
- Department of Physiology, Oxidative Stress and Free Radical Biology Laboratory, University of Calcutta, University College of Science and Technology, 92, APC Road, Kolkata 700 009, West Bengal, India
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17
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Zare S, Heydari FS, Hayes AW, Reiter RJ, Zirak MR, Karimi G. Melatonin attenuates chemical-induced cardiotoxicity. Hum Exp Toxicol 2020; 40:383-394. [PMID: 32935581 DOI: 10.1177/0960327120959417] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Environmental chemicals and drugs can induce cardiotoxicity, mainly by generating free radicals. Reactive oxygen species play a critical role in the pathogenesis of cardiac tissue injury. This highlights a need for prevention of cardiotoxicity by scavenging free radicals. Melatonin has been shown to act as a protector against various conditions in which free radicals cause molecular and tissue injury. Some of the mechanisms by which melatonin operates as a free radical scavenger and antioxidant have been identified. The importance of endogenous melatonin in cardiovascular health and the benefits of melatonin supplementation in different cardiac pathophysiological disorders have been shown in a variety of model systems. Melatonin continues to attract attention for its potential therapeutic value for cardiovascular toxicity. The therapeutic potential of melatonin in treatment of cardiotoxicities caused by various chemicals along with suggested molecular mechanisms of action for melatonin is reviewed.
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Affiliation(s)
- S Zare
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, 37552Mashhad University of Medical Sciences, Mashhad, Iran
| | - F S Heydari
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, 37552Mashhad University of Medical Sciences, Mashhad, Iran
| | - A W Hayes
- College of Public Health, University of South Florida, Tampa, FL, USA
| | - R J Reiter
- Department of Cellular and Structural Biology, 14742University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - M R Zirak
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, 37552Mashhad University of Medical Sciences, Mashhad, Iran
| | - G Karimi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, 37552Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmaceutical Research Center, Institute of Pharmaceutical Technology, 37552Mashhad University of Medical Sciences, Mashhad, Iran
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18
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Melatonin as a protective agent in cardiac ischemia-reperfusion injury: Vision/Illusion? Eur J Pharmacol 2020; 885:173506. [PMID: 32858050 DOI: 10.1016/j.ejphar.2020.173506] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 08/20/2020] [Accepted: 08/23/2020] [Indexed: 01/14/2023]
Abstract
Melatonin, an emphatic endogenous molecule exerts protective effects either via activation of G-protein coupled receptors (Melatonin receptors, MTR 1-3), tumor necrosis factor receptor (TNFR), toll like receptors (TLRS), nuclear receptors (NRS) or by directly scavenging the free radicals. MTRs are extensively expressed in the heart as well as in the coronary vasculature. Accumulating evidences have indicated the existence of a strong correlation between reduction in the circulating level of melatonin and precipitation of heart attack. Apparently, melatonin exhibits cardioprotective effects via modulating inextricably interlinked pathways including modulation of mitochondrial metabolism, mitochondrial permeability transition pore formation, nitric oxide release, autophagy, generation of inflammatory cytokines, regulation of calcium transporters, reactive oxygen species, glycosaminoglycans, collagen accumulation, and regulation of apoptosis. Convincingly, this review shall describe the various signaling pathways involved in salvaging the heart against ischemia-reperfusion injury.
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Utilizing Melatonin to Alleviate Side Effects of Chemotherapy: A Potentially Good Partner for Treating Cancer with Ageing. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:6841581. [PMID: 32566095 PMCID: PMC7260648 DOI: 10.1155/2020/6841581] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 05/14/2019] [Accepted: 05/27/2019] [Indexed: 02/07/2023]
Abstract
Persistent senescence seems to exert detrimental effects fostering ageing and age-related disorders, such as cancer. Chemotherapy is one of the most valuable treatments for cancer, but its clinical application is limited due to adverse side effects. Melatonin is a potent antioxidant and antiageing molecule, is nontoxic, and enhances the efficacy and reduces the side effects of chemotherapy. In this review, we first summarize the mitochondrial protective role of melatonin in the context of chemotherapeutic drug-induced toxicity. Thereafter, we tabulate the protective actions of melatonin against ageing and the harmful roles induced by chemotherapy and chemotherapeutic agents, including anthracyclines, alkylating agents, platinum, antimetabolites, mitotic inhibitors, and molecular-targeted agents. Finally, we discuss several novel directions for future research in this area. The information compiled in this review will provide a comprehensive reference for the protective activities of melatonin in the context of chemotherapy drug-induced toxicity and will contribute to the design of future studies and increase the potential of melatonin as a therapeutic agent.
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20
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Bhattacharjee B, Pal PK, Chattopadhyay A, Bandyopadhyay D. Oleic acid protects against cadmium induced cardiac and hepatic tissue injury in male Wistar rats: A mechanistic study. Life Sci 2020; 244:117324. [PMID: 31958420 DOI: 10.1016/j.lfs.2020.117324] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 01/12/2020] [Accepted: 01/13/2020] [Indexed: 12/22/2022]
Abstract
AIMS The aim of the present study was to evaluate the possible antioxidant role of oleic acid (OA) against Cd-induced injuries in the heart and liver tissues of male Wistar rats. MAIN METHODS Rats were treated with either vehicle (control), or OA (10 mg/kg b.w., fed orally), or Cd (0.44 mg/kg b.w., s.c.), or both (OA + Cd) for 15 days. Following completion of the treatment period, biomarkers of organ damage and oxidative stress including ROS, activities of antioxidant enzymes and their level, activities of Krebs cycle enzymes and respiratory chain enzymes were measured. Levels of interleukins (IL-1β, IL-6, IL-10), tumor necrosis factor (TNF-α) and nuclear factor kappa B (NFκB) were estimated to evaluate the state of inflammation. In addition, changes in mitochondrial membrane potential and status of cytochrome c (Cyt c) were also studied. KEY FINDINGS Pre-treatment of rats with OA significantly protected against Cd-induced detrimental changes possibly by decreasing endogenous ROS through regulation of antioxidant defense system, inflammatory responses and activities of metabolic enzymes. Moreover, OA was also found to restore mitochondrial membrane potential possibly by regulating Cyt c leakage thereby increasing mitochondrial viability. SIGNIFICANCE Our results for the first time demonstrated systematically that OA provided protection against Cd-induced oxidative stress mediated injuries in rat heart and liver tissues through its antioxidant mechanism. The results raise the possibility of using OA singly or in combination with other antioxidants or diet in the treatment of situations arising due to oxidative stress and may have future therapeutic relevance.
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Affiliation(s)
- Bharati Bhattacharjee
- Oxidative Stress and Free Radical Biology Laboratory, Department of Physiology, University of Calcutta, 92, APC Road, Kolkata 700009, India
| | - Palash Kumar Pal
- Oxidative Stress and Free Radical Biology Laboratory, Department of Physiology, University of Calcutta, 92, APC Road, Kolkata 700009, India
| | - Aindrila Chattopadhyay
- Department of Physiology, Vidyasagar College, 39, Sankar Ghosh Lane, Kolkata 700006, India
| | - Debasish Bandyopadhyay
- Oxidative Stress and Free Radical Biology Laboratory, Department of Physiology, University of Calcutta, 92, APC Road, Kolkata 700009, India.
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Lan H, Su Y, Liu Y, Deng C, Wang J, Chen T, Jules KED, Masau JF, Li H, Wei X. Melatonin protects circulatory death heart from ischemia/reperfusion injury via the JAK2/STAT3 signalling pathway. Life Sci 2019; 228:35-46. [DOI: 10.1016/j.lfs.2019.04.057] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 04/18/2019] [Accepted: 04/23/2019] [Indexed: 02/06/2023]
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22
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Gallic acid protects rat liver mitochondria ex vivo from bisphenol A induced oxidative stress mediated damages. Toxicol Rep 2019; 6:578-589. [PMID: 31293903 PMCID: PMC6595240 DOI: 10.1016/j.toxrep.2019.06.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 06/08/2019] [Accepted: 06/15/2019] [Indexed: 01/19/2023] Open
Abstract
Bisphenol A induces oxidative stress mediated liver mitochondrial damage. Bisphenol A induced damage is being protected when mitochondria are co-incubated with gallic acid. Scanning electron microscopy of mitochondrial tomography supports the biochemical observations. Gallic acid may be used as future remedial measure for the protection of bisphenol A induced damages of liver mitochondria.
Humans are often exposed to bisphenol A (BPA), the monomer of polycarbonate plastics and epoxy resins, through BPA contaminated drinking water, beverages and foods, packaged in polycarbonate plastic bottles and cans coated with epoxy resins due to leaching. Several research groups have reported that BPA may cause damage of mitochondria in liver, kidney, heart and brain cells by inducing oxidative stress. The antioxidant efficacy of gallic acid (GA), a polyphenol compound obtained from plants, against different toxicants induced oxidative stress has been well established. The aim of the present study was to examine the protective efficacy of GA against BPA induced oxidative damages of the rat liver mitochondria ex vivo. In our study, we have found a significant decrease in the intactness of mitochondria; a significant increase (P ≤ 0.001) in the levels of lipid peroxidation end product (i.e. malondialdehyde) and protein carbonylation product; and also a significant decrease (P ≤ 0.001) in the reduced glutathione content; when mitochondria were incubated with BPA (160 μM/ml) only. These results indicate that BPA probably causes damage to the cellular macromolecules through oxidative stress. We have observed significant counteractions (P ≤ 0.001) against BPA induced alterations in mitochondrial intactness, lipid peroxidation and protein carbonylation products formation and reduced glutathione content when mitochondria were incubated with BPA and GA (20 μg/ml/ 40 μg/ml/ 80 μg/ml) in combination in a dose-dependent manner. Gallic acid also showed significant restorations (P ≤ 0.001) of the activities of antioxidant enzymes, Krebs cycle enzymes, respiratory chain enzymes and thiolase when mitochondria were incubated with BPA and dosage of GA (20 μg/ml/ 40 μg/ml/ 80 μg/ml) in combination compared to BPA incubated mitochondria. Furthermore, GA significantly (P ≤ 0.001) counteracted the BPA induced decrease in tryptophan and NADH auto-fluroscence levels in mitochondria. This result suggests that GA protects the mitochondria probably by reducing the oxidative stress. Besides, GA protects the mitochondrial surface from BPA induced oxidative damages as viewed under the scanning electron microscope. Considering all the results, it can be concluded that GA shows potent efficacy in protecting the rat liver mitochondria ex vivo from BPA induced oxidative stress mediated damages.
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Yu H, Zhang J, Ji Q, Yu K, Wang P, Song M, Cao Z, Zhang X, Li Y. Melatonin alleviates aluminium chloride-induced immunotoxicity by inhibiting oxidative stress and apoptosis associated with the activation of Nrf2 signaling pathway. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 173:131-141. [PMID: 30771656 DOI: 10.1016/j.ecoenv.2019.01.095] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Revised: 01/23/2019] [Accepted: 01/28/2019] [Indexed: 06/09/2023]
Abstract
The present study aimed to investigate whether melatonin (MT) treatment can attenuate immunotoxicity induced by aluminum chloride (AlCl3) in rat spleen. Forty-eight healthy male Wistar rats were randomly allocated and treated with AlCl3 and/or MT. Rats were orally administered with AlCl3 for 90 days, from 61st days, rats were injected intraperitoneally with MT for 30 days. Firstly, we found that MT relieved the AlCl3-induced immunosuppression by improving spleen structural damage, CD3+ and CD4+ T lymphocyte subsets, IL-2 and TNF-α mRNA expressions and decreasing CD8+ T lymphocyte subsets. Secondly, MT attenuated the AlCl3-induced oxidative stress in rat spleen by decreasing the levels of ROS and MDA, while increasing the activities of SOD and CAT. Thirdly, MT relieved the AlCl3-induced apoptosis in rat spleen by increasing the MMP and Bcl-2 mRNA and protein expressions, while decreasing apoptosis rates, activity of Caspase-3 and pro-apoptotic gene expression. Finally, MT increased Nrf2 nuclear translocation, and Nrf2 target genes (HO-1, NQO1, SOD1 and CAT) mRNA expressions in the spleen of AlCl3-exposed rat. These results suggest that MT may alleviate AlCl3-induced immunotoxicity by inhibiting oxidative stress and apoptosis associated with the activation of Nrf2 signaling pathway, which could lay the foundation for the treatment of AlCl3 immunotoxicity.
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Affiliation(s)
- Hongyan Yu
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Jian Zhang
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Qiang Ji
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Kaiyuan Yu
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Peiyan Wang
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Miao Song
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Zheng Cao
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Xueyan Zhang
- Northeast Agricultural University Hospital, Harbin 150030, China
| | - Yanfei Li
- Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China.
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Oleic acid ameliorates adrenaline induced dysfunction of rat heart mitochondria by binding with adrenaline: An isothermal titration calorimetry study. Life Sci 2019; 218:96-111. [DOI: 10.1016/j.lfs.2018.12.035] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 12/18/2018] [Accepted: 12/19/2018] [Indexed: 01/09/2023]
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25
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Saranya S, Baskaran R, Poornima P, Vijaya Padma V. Berbamine ameliorates isoproterenol-induced myocardial infarction by inhibiting mitochondrial dysfunction and apoptosis in rats. J Cell Biochem 2018; 120:3101-3113. [PMID: 30485494 DOI: 10.1002/jcb.27522] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Accepted: 07/30/2018] [Indexed: 02/06/2023]
Abstract
Berbamine (BBM), a bisbenzylisoquinoline alkaloid from roots, bark, and stem of Berberis plant such as Berberis aristata has a wide range of pharmacological activities. However, the evidence for the cardioprotective effect of BBM is inadequate and the molecular mechanism of BBM remains unclear. This study investigated the underlying molecular mechanism of BBM-mediated cardioprotection on isoproterenol (ISO)-induced mitochondrial dysfunction and apoptosis in rats. The assays of mitochondria antioxidant status, mitochondrial marker enzymes, and electron microscopic analysis of mitochondria revealed BBM significantly prevented the mitochondrial dysfunction induced by ISO. The ISO-induced elevation of mitochondrial oxidative stress was also curbed by BBM. Furthermore, pretreatment with BBM protected the heart tissue from ISO-induced apoptosis as evident from decreased terminal dUTP nickend-labeling positive cells and decreased expression of Bax, cytochrome c, cleaved caspase-9, and caspase-3, and poly (ADP-ribose) polymerase and increased expression of Bcl-2 in ISO-induced rats. These current findings suggest that BBM exerts a significant cardioprotective effect on ISO-induced myocardial infarction in rats.
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Affiliation(s)
- Sithuraj Saranya
- Translational Research Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, India
| | - Rathinasamy Baskaran
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, Taiwan
| | - Paramasivan Poornima
- Translational Research Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, India.,Molecular and Cellular Pharmacology Laboratory, School of Science, Engineering and Technology, University of Abertay, Dundee, Scotland, United Kingdom
| | - Viswanadha Vijaya Padma
- Translational Research Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, India.,Graduate Institute of Basic Medical Science, China Medical University, Taichung, Taiwan.,Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan
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26
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Wang S, Zhao Z, Feng X, Cheng Z, Xiong Z, Wang T, Lin J, Zhang M, Hu J, Fan Y, Reiter RJ, Wang H, Sun D. Melatonin activates Parkin translocation and rescues the impaired mitophagy activity of diabetic cardiomyopathy through Mst1 inhibition. J Cell Mol Med 2018; 22:5132-5144. [PMID: 30063115 PMCID: PMC6156356 DOI: 10.1111/jcmm.13802] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 05/26/2018] [Accepted: 06/01/2018] [Indexed: 12/13/2022] Open
Abstract
Mitophagy eliminates dysfunctional mitochondria and thus plays a cardinal role in diabetic cardiomyopathy (DCM). We observed the favourable effects of melatonin on cardiomyocyte mitophagy in mice with DCM and elucidated their underlying mechanisms. Electron microscopy and flow cytometric analysis revealed that melatonin reduced the number of impaired mitochondria in the diabetic heart. Other than decreasing mitochondrial biogenesis, melatonin increased the clearance of dysfunctional mitochondria in mice with DCM. Melatonin increased LC3 II expression as well as the colocalization of mitochondria and lysosomes in HG‐treated cardiomyocytes and the number of typical autophagosomes engulfing mitochondria in the DCM heart. These results indicated that melatonin promoted mitophagy. When probing the mechanism, increased Parkin translocation to the mitochondria may be responsible for the up‐regulated mitophagy exerted by melatonin. Parkin knockout counteracted the beneficial effects of melatonin on the cardiac mitochondrial morphology and bioenergetic disorders, thus abolishing the substantial effects of melatonin on cardiac remodelling with DCM. Furthermore, melatonin inhibited Mammalian sterile 20‐like kinase 1 (Mst1) phosphorylation, thus enhancing Parkin‐mediated mitophagy, which contributed to mitochondrial quality control. In summary, this study confirms that melatonin rescues the impaired mitophagy activity of DCM. The underlying mechanism may be attributed to activation of Parkin translocation via inhibition of Mst1.
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Affiliation(s)
- Shanjie Wang
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, China.,Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Zhijing Zhao
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Xinyu Feng
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, China.,Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Zheng Cheng
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, China.,Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Zhenyu Xiong
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, China.,Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Tingting Wang
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, China.,Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Jie Lin
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, China.,Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Mingming Zhang
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, China.,Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Jianqiang Hu
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, China.,Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Yanhong Fan
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Russel J Reiter
- Department of Cellular and Structural Biology, UT Health Science Center, San Antonio, Texas
| | - Haichang Wang
- Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Dongdong Sun
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, China.,Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
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Talpur HS, Chandio IB, Brohi RD, Worku T, Rehman Z, Bhattarai D, Ullah F, JiaJia L, Yang L. Research progress on the role of melatonin and its receptors in animal reproduction: A comprehensive review. Reprod Domest Anim 2018; 53:831-849. [PMID: 29663591 DOI: 10.1111/rda.13188] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 03/03/2018] [Indexed: 12/15/2022]
Abstract
Melatonin and its receptors play a crucial role in the regulation of the animal reproductive process, primarily in follicular development. However, the role that melatonin performs in regulating hormones related with reproduction remains unclear. Melatonin and its receptors are present both in female and male animals' organs, such as ovaries, heart, brain and liver. Melatonin regulates ovarian actions and is a key mediator of reproductive actions. Melatonin has numerous effects on animal reproduction, such as protection of gametes and embryos, response to clock genes, immune-neuroendocrine, reconciliation of seasonal variations in immune function, and silence or blockage of genes. The growth ratio of reproductive illnesses in animals has raised a remarkable concern for the government, animal caretakers and farm managers. In order to resolve this challenging issue, it is very necessary to conduct state-of-the-art research on melatonin and its receptors because melatonin has considerable physiognomies. This review article presents a current contemporary research conducted by numerous researchers from the entire world on the role of melatonin and its receptors in animal reproduction, from the year 1985 to the year 2017. Furthermore, this review shows scientific research challenges related to melatonin receptors and their explanations based on the findings of 172 numerous research articles, and also represents significant proficiencies of melatonin in order to show enthusiastic study direction for animal reproduction researchers.
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Affiliation(s)
- H S Talpur
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, Huazhong Agricultural University, Wuhan, China
| | - I B Chandio
- Shaheed Benazir Bhutto University of Veterinary and Animal Sciences, Sakrand, Pakistan
| | - R D Brohi
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, Huazhong Agricultural University, Wuhan, China
| | - T Worku
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, Huazhong Agricultural University, Wuhan, China
| | - Z Rehman
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, Huazhong Agricultural University, Wuhan, China
| | - D Bhattarai
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, Huazhong Agricultural University, Wuhan, China
| | - F Ullah
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, Huazhong Agricultural University, Wuhan, China
| | - L JiaJia
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, Huazhong Agricultural University, Wuhan, China
| | - L Yang
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, Huazhong Agricultural University, Wuhan, China
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28
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Cui J, Li Z, Zhuang S, Qi S, Li L, Zhou J, Zhang W, Zhao Y. Melatonin alleviates inflammation-induced apoptosis in human umbilical vein endothelial cells via suppression of Ca 2+-XO-ROS-Drp1-mitochondrial fission axis by activation of AMPK/SERCA2a pathway. Cell Stress Chaperones 2018; 23:281-293. [PMID: 28889229 PMCID: PMC5823809 DOI: 10.1007/s12192-017-0841-6] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 08/08/2017] [Accepted: 08/31/2017] [Indexed: 11/28/2022] Open
Abstract
Endothelia inflammation damage is vital to the development and progression of chronic venous disease. In the present study, we explored the protective effect of melatonin on endothelia apoptosis induced by LPS, particularly focusing on the mitochondrial fission. We demonstrated that human umbilical vein endothelial cells (HUVEC) subjected to LPS for 12 h exhibited a higher apoptotic rate. However, melatonin (1-20 μM) treatment 12 h before LPS had the ability to protect HUVEC cell against LPS-mediated apoptosis in a dose-dependent manner. Furthermore, LPS induced the cytoplasmic calcium overload which was responsible for the upregulation of calcium-dependent xanthine oxidase (XO). Higher XO expression was associated with reactive oxygen species (ROS) overproduction, leading to the Drp1 phosphorylation at the Ser616 site and migration on the surface of mitochondria. Furthermore, phosphorylated Drp1 initiated the mitochondrial fission contributing to the caspase9-dependent mitochondrial apoptosis as evidenced by lower membrane potential, more cyt-c leakage into the nuclear, and higher expression of proapoptotic proteins. However, melatonin treatment could trigger the AMPK pathway, which was followed by the increased SERCA2a expression. Activation of AMPK/SERCA2a by melatonin inhibited the calcium overload, XO-mediated ROS outburst, Drp1-required mitochondrial fission, and final mitochondrial apoptosis. In summary, this study confirmed that LPS induced HUVEC apoptosis through Ca2+-XO-ROS-Drp1-mitochondrial fission axis and that melatonin reduced the apoptosis of HUVEC through activation of the AMPK/SERCA2a pathway.
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Affiliation(s)
- Jiasen Cui
- Department of Vascular Surgery, Huadong Hospital, Fudan University, Shanghai, 200040, China.
| | - Zeng Li
- Department of Vascular Surgery, Huadong Hospital, Fudan University, Shanghai, 200040, China
| | - Shunjiu Zhuang
- Department of Vascular Surgery, Huadong Hospital, Fudan University, Shanghai, 200040, China
| | - Shaohong Qi
- Department of Vascular Surgery, Huadong Hospital, Fudan University, Shanghai, 200040, China
| | - Li Li
- Department of Vascular Surgery, Huadong Hospital, Fudan University, Shanghai, 200040, China
| | - Junwen Zhou
- Department of Vascular Surgery, Huadong Hospital, Fudan University, Shanghai, 200040, China
| | - Wan Zhang
- Department of Vascular Surgery, Huadong Hospital, Fudan University, Shanghai, 200040, China
| | - Yun Zhao
- Department of Vascular Surgery, Huadong Hospital, Fudan University, Shanghai, 200040, China
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29
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Yan H, Xiao F, Zou J, Qiu C, Sun W, Gu M, Zhang L. NR4A1-induced increase in the sensitivity of a human gastric cancer line to TNFα-mediated apoptosis is associated with the inhibition of JNK/Parkin-dependent mitophagy. Int J Oncol 2018; 52:367-378. [PMID: 29207128 PMCID: PMC5741370 DOI: 10.3892/ijo.2017.4216] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 11/21/2017] [Indexed: 12/24/2022] Open
Abstract
Tumor necrosis factor α (TNFα)-based immunotherapy is the vital host defense system against the progression of gastric cancer (GC) as a pro-inflammatory and pro-apoptotic cytokine. However, resistance limits its therapeutic efficiency. Therefore, an increasing number of studies are focusing on the development of drugs or methods with which to enhance the treatment efficacy of TNFα. Nuclear receptor subfamily 4 group A member 1 (NR4A1) has been shown to exert antitumor effects through several mechanisms, such as by inhibiting proliferation, as well as pro-apoptotic and potent pro-oxidant effects. In this study, we examined the effects and mechanisms of action of NR4A1 on the apoptosis of GC cells treated with TNFα, with particular focus on mitochondrial homeostasis. We found that TNFα treatment decreased NR4A1 expression. Moreover, the overexpression of NR4A1 in the presence of TNFα further increased GC cell apoptosis. Mechanistically, the overexpression of NR4A1 augmented caspase-9-dependent mitochondrial apoptosis, as evidenced by reduced mitochondrial membrane potential, reactive oxygen species (ROS) overproduction, mitochondrial permeability transition pore (mPTP) opening and the leakage of cytochrome c (Cyt-c) leakage. Moreover, NR4A1 overexpression also evoked mitochondrial energy disorder via the suppression of mitochondrial respiratory complex expression. Furthermore, we found that TNFα treatment activated Parkin-dependent mitophagy. Excessive Parkin-dependent mitophagy blocked mitochondrial apoptosis, undermining the toxic effects of TNFα on cells. However, NR4A1 overexpression suppressed Parkin-dependent mitophagy via the inhibition of c-Jun N-terminal kinase (JNK). Re-activation of the JNK/Parkin pathway abrogated the inhibitory effects of NR4A1 on mitophagy, eventually limiting cell apoptosis. Collectively, this study confirmed that NR4A1 sensitizes GC cells to TNFα-induced apoptosis through the inhibition of JNK/Parkin-dependent mitophagy.
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Affiliation(s)
- Hongzhu Yan
- Department of Pathology, Seventh People's Hospital of Shanghai University of TCM, Shanghai 200137
| | - Feng Xiao
- Department of Pathology, Seventh People's Hospital of Shanghai University of TCM, Shanghai 200137
| | - Jue Zou
- Department of Pathology, Seventh People's Hospital of Shanghai University of TCM, Shanghai 200137
| | - Chengmin Qiu
- Department of Pathology, Songjiang Hospital Affiliated to The First People's Hospital, Shanghai Jiao Tong University, Shanghai 201600, P.R. China
| | - Weiwei Sun
- Department of Pathology, Songjiang Hospital Affiliated to The First People's Hospital, Shanghai Jiao Tong University, Shanghai 201600, P.R. China
| | - Minmin Gu
- Department of Pathology, Songjiang Hospital Affiliated to The First People's Hospital, Shanghai Jiao Tong University, Shanghai 201600, P.R. China
| | - Li Zhang
- Department of Pathology, Songjiang Hospital Affiliated to The First People's Hospital, Shanghai Jiao Tong University, Shanghai 201600, P.R. China
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Simko F, Baka T, Krajcirovicova K, Repova K, Aziriova S, Zorad S, Poglitsch M, Adamcova M, Reiter RJ, Paulis L. Effect of Melatonin on the Renin-Angiotensin-Aldosterone System in l-NAME-Induced Hypertension. Molecules 2018; 23:molecules23020265. [PMID: 29382124 PMCID: PMC6017142 DOI: 10.3390/molecules23020265] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 01/15/2018] [Accepted: 01/25/2018] [Indexed: 12/24/2022] Open
Abstract
The renin-angiotensin-aldosterone system (RAAS) is a dominant player in several cardiovascular pathologies. This study investigated whether alterations induced by l-NAME, (NLG)-nitro-l-arginine methyl ester, a nitric oxide synthase inhibitor, and the protective effect of melatonin are associated with changes in the RAAS. Four groups of 3-month-old male Wistar rats (n = 10) were treated as follows for four weeks: untreated controls, rats treated with melatonin (10 mg/kg/day), rats treated with l-NAME (40 mg/kg/day), and rats treated with l-NAME + melatonin. l-NAME administration led to hypertension and left ventricular (LV) fibrosis in terms of enhancement of soluble, insoluble and total collagen concentration and content. Melatonin reduced systolic blood pressure enhancement and lowered the concentration and content of insoluble and total collagen in the LV. The serum concentration of angiotensin (Ang) 1–8 (Ang II) and its downstream metabolites were reduced in the l-NAME group and remained unaltered by melatonin. The serum aldosterone level and its ratio to Ang II (AA2-ratio) were increased in the l-NAME group without being modified by melatonin. We conclude that l-NAME-hypertension is associated with reduced level of Ang II and its downstream metabolites and increased aldosterone concentration and AA2-ratio. Melatonin exerts its protective effect in l-NAME-induced hypertension without affecting RAAS.
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Affiliation(s)
- Fedor Simko
- Institute of Pathophysiology, Faculty of Medicine, Comenius University, Sasinkova 4, 81108 Bratislava, Slovakia.
- 3rd Department of Internal Medicine, Faculty of Medicine, Comenius University, 83305 Bratislava, Slovakia.
- Institute of Experimental Endocrinology, Biomedical Research Center, Slovak Academy of Sciences, 84505 Bratislava, Slovakia.
| | - Tomas Baka
- Institute of Pathophysiology, Faculty of Medicine, Comenius University, Sasinkova 4, 81108 Bratislava, Slovakia.
| | - Kristina Krajcirovicova
- Institute of Pathophysiology, Faculty of Medicine, Comenius University, Sasinkova 4, 81108 Bratislava, Slovakia.
| | - Kristina Repova
- Institute of Pathophysiology, Faculty of Medicine, Comenius University, Sasinkova 4, 81108 Bratislava, Slovakia.
| | - Silvia Aziriova
- Institute of Pathophysiology, Faculty of Medicine, Comenius University, Sasinkova 4, 81108 Bratislava, Slovakia.
| | - Stefan Zorad
- Institute of Experimental Endocrinology, Biomedical Research Center, Slovak Academy of Sciences, 84505 Bratislava, Slovakia.
| | | | - Michaela Adamcova
- Department of Physiology, School of Medicine, Charles University, 50003 Hradec Kralove, Czech Republic.
| | - Russel J Reiter
- Department of Cellular and Structural Biology, UT Health Science Center, San Antonio, TX 78229, USA.
| | - Ludovit Paulis
- Institute of Pathophysiology, Faculty of Medicine, Comenius University, Sasinkova 4, 81108 Bratislava, Slovakia.
- Institute of Normal and Pathological Physiology, Center for Experimental Medicine, Slovak Academy of Sciences, 81371 Bratislava, Slovakia.
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Kandhare AD, Bandyopadhyay D, Thakurdesai PA. Low molecular weight galactomannans-based standardized fenugreek seed extract ameliorates high-fat diet-induced obesity in miceviamodulation of FASn, IL-6, leptin, and TRIP-Br2. RSC Adv 2018; 8:32401-32416. [PMID: 35547667 PMCID: PMC9086199 DOI: 10.1039/c8ra05204b] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2018] [Accepted: 09/04/2018] [Indexed: 12/11/2022] Open
Abstract
Background: Obesity is a complex, chronic metabolic disorder and its prevalence is increasing throughout most of the world. Low molecular weight galactomannans-based standardized fenugreek seed extract (LMWGAL-TF) has previously shown anti-diabetic and anti-hyperlipidemic potential. Aim: To evaluate the efficacy and mechanism of action of LMWGAL-TF in treating high fat diet (HFD)-induced obesity and hyperlipidemia in mice. Materials and methods: Male C57BL/6 mice were fed the HFD for 12 weeks and were co-administered with LMWGAL-TF (10, 30 and 100 mg kg−1, p.o.). Variables measured were behavioral, biochemical, molecular and histopathological. In a separate in vitro experiment, copper-ascorbate (Cu-As)-induced mitochondrial oxidative damage was evaluated. Results: The HFD-induced increase (p < 0.001) in body weight, fat mass, lean mass, adipose tissue (brown, mesenteric, epididymal and retroperitoneal) and liver weight was significantly attenuated (p < 0.001) by LMWGAL-TF (30 and 100 mg kg−1). The HFD-induced elevated levels of serum lipid, interleukins (ILs)-6 and leptin were significantly decreased (p < 0.001) by LMWGAL-TF (30 and 100 mg kg−1). Elevated fatty acid synthase (FASn), IL-6, leptin and transcriptional regulator interacting with the PHD-bromodomain 2 (TRIP-Br2) mRNA expression in brown adipose tissue (BAT), liver, and epididymal fat were significantly down-regulated (p < 0.001) by LMWGAL-TF (30 and 100 mg kg−1). Additionally, HFD-induced histological alterations in skeletal muscle, liver, white adipose tissue (WAT) and BAT were also reduced by LMWGAL-TF. Furthermore, the Cu-As-induced alteration in mitochondria oxidative stress (lipid peroxidation, protein carbonylation, glutathione, glutathione reductase, glutathione peroxidase, isocitrate dehydrogenase and α-ketoglutarate dehydrogenase) in skeletal muscle and BAT was significantly (p < 0.001) ameliorated by LMWGAL-TF (2, 4 and 6 mg mL−1) treatment. It also reduced the Cu-As-induced mitochondrial swelling. Conclusion: LMWGAL-TF showed its beneficial effect in reducing HFD-induced obesity via down-regulation of FASn, IL-6, leptin, and TRIP-Br2 in mice. Obesity is a complex, chronic metabolic disorder and its prevalence is increasing throughout most of the world.![]()
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Affiliation(s)
- Amit D. Kandhare
- Department of Scientific Affairs
- Indus Biotech Private Limited
- Pune 411048
- India
| | - Debasish Bandyopadhyay
- Oxidative Stress and Free Radical Biology Laboratory
- Department of Physiology
- University of Calcutta
- University College of Science and Technology
- Kolkata 700 009
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32
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Ma Z, Xin Z, Di W, Yan X, Li X, Reiter RJ, Yang Y. Melatonin and mitochondrial function during ischemia/reperfusion injury. Cell Mol Life Sci 2017; 74:3989-3998. [PMID: 28795196 PMCID: PMC11107672 DOI: 10.1007/s00018-017-2618-6] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 08/03/2017] [Indexed: 02/06/2023]
Abstract
Ischemia/reperfusion (IR) injury occurs in many organs and tissues, and contributes to morbidity and mortality worldwide. Melatonin, an endogenously produced indolamine, provides a strong defense against IR injury. Mitochondrion, an organelle for ATP production and a decider for cell fate, has been validated to be a crucial target for melatonin to exert its protection against IR injury. In this review, we first clarify the mechanisms underlying mitochondrial dysfunction during IR and melatonin's protection of mitochondria under this condition. Thereafter, special focus is placed on the protective actions of melatonin against IR injury in brain, heart, liver, and others. Finally, we explore several potential future directions of research in this area. Collectively, the information compiled here will serve as a comprehensive reference for the actions of melatonin in IR injury identified to date and will hopefully aid in the design of future research and increase the potential of melatonin as a therapeutic agent.
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Affiliation(s)
- Zhiqiang Ma
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, UT Health San Antonio, 229 Taibai North Road, Xi'an, 710069, China
- Department of Thoracic Surgery, Tangdu Hospital, Fourth Military Medical University, 1 Xinsi Road, Xi'an, 710038, China
| | - Zhenlong Xin
- Department of Biomedical Engineering, Fourth Military Medical University, 169 Changle West Road, Xi'an, 710032, China
| | - Wencheng Di
- Department of Cardiology, Affiliated Drum Tower Hospital, Nanjing University Medical School, 321 Zhongshan Road, Nanjing, 210008, Jiangsu, China
| | - Xiaolong Yan
- Department of Thoracic Surgery, Tangdu Hospital, Fourth Military Medical University, 1 Xinsi Road, Xi'an, 710038, China
| | - Xiaofei Li
- Department of Thoracic Surgery, Tangdu Hospital, Fourth Military Medical University, 1 Xinsi Road, Xi'an, 710038, China
| | - Russel J Reiter
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, UT Health San Antonio, 229 Taibai North Road, Xi'an, 710069, China.
| | - Yang Yang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, UT Health San Antonio, 229 Taibai North Road, Xi'an, 710069, China.
- Department of Cellular and Structural Biology, UT Health Science Center, 7703 Floyd Curl Drive, San Antonio, TX, 78229, USA.
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Ke Z, Wang G, Yang L, Qiu H, Wu H, Du M, Chen J, Song J, Jia X, Feng L. Crude terpene glycoside component from Radix paeoniae rubra protects against isoproterenol-induced myocardial ischemic injury via activation of the PI3K/AKT/mTOR signaling pathway. JOURNAL OF ETHNOPHARMACOLOGY 2017; 206:160-169. [PMID: 28549860 DOI: 10.1016/j.jep.2017.05.028] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2016] [Revised: 05/01/2017] [Accepted: 05/22/2017] [Indexed: 06/07/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Radix paeoniae rubra, also known as chishao (CS), is a frequently used traditional Chinese medicine that can promote blood circulation to remove blood stasis. It has been widely used for the prevention and treatment of cardiovascular diseases in China. Although terpene glycoside (TG), the major component in CS, has been shown to possess cardioprotective properties, the mechanism underlying CS-TG's preventive effect against myocardial ischemia injury is unknown. This study was conducted to explore the protective and curative effects of CS-TG against isoproterenol (ISO)-induced myocardial ischemic injury in rats and investigate the underlying myocardial protective mechanisms. MATERIALS AND METHODS A rat model of ISO-induced myocardial ischemia was established to evaluate the protective effect of CS-TG in ameliorating heart injury. Myocardial ischemia was induced by administering ISO (40mg/kg/d) subcutaneously for 2 days. Serum was collected and analyzed for the levels of different cardiac biomarkers, and heart tissues were isolated and prepared for ATP analysis, glycogen content determination, histopathology assay, and ultrastructure observation. The regulatory effects of CS-TG on myocardial apoptosis in rats were studied by terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) staining, and the levels of cleaved caspase-3, Bax, and Bcl-2 were detected by western blotting. Furthermore, in vitro experiments were conducted to examine whether the CS-TG's cardioprotective effects were linked to the inhibition of apoptosis via activation of the phosphoinositide-3-kinase/serine-threonine kinase AKT/mammalian target of rapamycin (PI3K/AKT/mTOR) pathway. RESULTS CS-TG (300mg/kg/d) significantly decreased serum levels of creatine kinase and lactate dehydrogenase in ISO-induced myocardial ischemic rats. Analysis of ATP and glycogen contents, myocardial ultrastructure, and pathological examination showed that CS-TG (300mg/kg/d) significantly improved energy metabolism and alleviated myocardial injury in vivo. In addition, the expression of p-AKT and p-mTOR in rats subjected to CS-TG significantly elevated, while the levels of caspase-3 and Bax/Bcl-2 dramatically reduced. Moreover, treatment with LY294002, a PI3K inhibitor, abrogated CS-TG (200μg/mL) induced down-regulation of cleaved caspase-3, Bax/Bcl-2 in the serum. CONCLUSIONS CS-TG protects the heart from ISO-induced myocardial ischemia, potentially by improving cardiac energy metabolism and inhibiting cardiomyocyte apoptosis via activation of the PI3K/AKT/mTOR signaling pathway. Thus, CS -TG might be a potential therapeutic candidate for the prevention and treatment of myocardial ischemia.
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Affiliation(s)
- Zhongcheng Ke
- Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210023, China; College of Chemistry and Chemical Engineering, Huangshan University, Huangshan, Anhui, 245041, China; Key Laboratory of New Drug Delivery System of Chinese Material Medica, Jiangsu Provincial Academy of Chinese Medicine, Nanjing, Jiangsu, 210028, China
| | - Gang Wang
- Key Laboratory of New Drug Delivery System of Chinese Material Medica, Jiangsu Provincial Academy of Chinese Medicine, Nanjing, Jiangsu, 210028, China
| | - Lei Yang
- Key Laboratory of New Drug Delivery System of Chinese Material Medica, Jiangsu Provincial Academy of Chinese Medicine, Nanjing, Jiangsu, 210028, China
| | - Huihui Qiu
- Key Laboratory of New Drug Delivery System of Chinese Material Medica, Jiangsu Provincial Academy of Chinese Medicine, Nanjing, Jiangsu, 210028, China
| | - Hao Wu
- Key Laboratory of New Drug Delivery System of Chinese Material Medica, Jiangsu Provincial Academy of Chinese Medicine, Nanjing, Jiangsu, 210028, China
| | - Mei Du
- Key Laboratory of New Drug Delivery System of Chinese Material Medica, Jiangsu Provincial Academy of Chinese Medicine, Nanjing, Jiangsu, 210028, China
| | - Juan Chen
- Key Laboratory of New Drug Delivery System of Chinese Material Medica, Jiangsu Provincial Academy of Chinese Medicine, Nanjing, Jiangsu, 210028, China
| | - Jie Song
- Key Laboratory of New Drug Delivery System of Chinese Material Medica, Jiangsu Provincial Academy of Chinese Medicine, Nanjing, Jiangsu, 210028, China
| | - Xiaobin Jia
- Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210023, China; Key Laboratory of New Drug Delivery System of Chinese Material Medica, Jiangsu Provincial Academy of Chinese Medicine, Nanjing, Jiangsu, 210028, China.
| | - Liang Feng
- Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210023, China; Key Laboratory of New Drug Delivery System of Chinese Material Medica, Jiangsu Provincial Academy of Chinese Medicine, Nanjing, Jiangsu, 210028, China.
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Potential Use of Chemoprotectants against the Toxic Effects of Cyanotoxins: A Review. Toxins (Basel) 2017; 9:toxins9060175. [PMID: 28545227 PMCID: PMC5488025 DOI: 10.3390/toxins9060175] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 04/21/2017] [Accepted: 05/17/2017] [Indexed: 12/16/2022] Open
Abstract
Cyanobacterial toxins, particularly microcystins (MCs) and cylindrospermopsin (CYN), are responsible for toxic effects in humans and wildlife. In order to counteract or prevent their toxicity, various strategies have been followed, such as the potential application of chemoprotectants. A review of the main substances evaluated for this aim, as well as the doses and their influence on cyanotoxin-induced toxicity, has been performed. A search of the literature shows that research on MCs is much more abundant than research on CYN. Among chemoprotectants, antioxidant compounds are the most extensively studied, probably because it is well known that oxidative stress is one of the toxic mechanisms common to both toxins. In this group, vitamin E seems to have the strongest protectant effect for both cyanotoxins. Transport inhibitors have also been studied in the case of MCs, as CYN cellular uptake is not yet fully elucidated. Further research is needed because systematic studies are lacking. Moreover, more realistic exposure scenarios, including cyanotoxin mixtures and the concomitant use of chemoprotectants, should be considered.
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Ghosh AK, Naaz S, Bhattacharjee B, Ghosal N, Chattopadhyay A, Roy S, Reiter RJ, Bandyopadhyay D. Mechanism of melatonin protection against copper-ascorbate-induced oxidative damage in vitro through isothermal titration calorimetry. Life Sci 2017; 180:123-136. [PMID: 28528861 DOI: 10.1016/j.lfs.2017.05.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 05/13/2017] [Accepted: 05/17/2017] [Indexed: 10/19/2022]
Abstract
AIMS Involvement of oxidative stress in cardiovascular diseases is well established. Melatonin's role as an antioxidant and free radical scavenger via its receptor dependent and receptor independent pathways is well known. The aim of this study is to identify and elaborate upon a third mechanism by which melatonin is able to abrogate oxidative stress. MAIN METHODS Oxidative stress was induced in vitro, by copper (0.2mM)-ascorbate (1mM) in isolated goat heart mitochondria, cytosol and peroxisomes and they were co-incubated with graded doses of melatonin. Similar experiments in a cell-free chemical system involving two pure antioxidant enzymes, Cu-Zn superoxide dismutase and catalase was also carried out. Biochemical changes in activity of these antioxidant enzymes were analysed. Isothermal titration calorimetric studies with pure Cu-Zn superoxide dismutase and catalase were also carried out. KEY FINDINGS Incubation with copper-ascorbate led to alteration in activity of Cu-Zn superoxide dismutase and catalase which were found to be protected upon co-incubation with melatonin (80μM for catalase and 1μM for others). Results of isothermal titration calorimetric studies with pure Cu-Zn superoxide dismutase and catalase along with different combinations of copper chloride, ascorbic acid and melatonin suggest that when melatonin is present in the reaction medium along with copper-ascorbate, it restrains the copper-ascorbate molecules by binding with them physically along with scavenging the free radicals generated by them. SIGNIFICANCE The present study suggests that possibly, binding of melatonin with antioxidant enzymes masks the vulnerable sites of these antioxidant enzymes, thus preventing oxidative damage by copper-ascorbate molecules.
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Affiliation(s)
- Arnab K Ghosh
- Department of Physiology, Oxidative Stress and Free Radical Biology Laboratory, University of Calcutta, University College of Science and Technology, 92, APC Road, Kolkata 700 009, West Bengal, India
| | - Shamreen Naaz
- Department of Physiology, Oxidative Stress and Free Radical Biology Laboratory, University of Calcutta, University College of Science and Technology, 92, APC Road, Kolkata 700 009, West Bengal, India; Department of Physiology, Vidyasagar College for Women, Kolkata 700 006, India
| | - Bharati Bhattacharjee
- Department of Physiology, Oxidative Stress and Free Radical Biology Laboratory, University of Calcutta, University College of Science and Technology, 92, APC Road, Kolkata 700 009, West Bengal, India
| | - Nirajan Ghosal
- Department of Physiology, Oxidative Stress and Free Radical Biology Laboratory, University of Calcutta, University College of Science and Technology, 92, APC Road, Kolkata 700 009, West Bengal, India
| | | | - Souvik Roy
- DBT-IPLS Section, University College of Science, Technology and Agriculture, 35, Ballygunge Circular Road, Kolkata 700019, India
| | - Russel J Reiter
- Department of Cellular and Structural Biology, University of Texas Health Science Centre at San Antonio, TX, USA
| | - Debasish Bandyopadhyay
- Department of Physiology, Oxidative Stress and Free Radical Biology Laboratory, University of Calcutta, University College of Science and Technology, 92, APC Road, Kolkata 700 009, West Bengal, India.
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Das N, Mandala A, Naaz S, Giri S, Jain M, Bandyopadhyay D, Reiter RJ, Roy SS. Melatonin protects against lipid-induced mitochondrial dysfunction in hepatocytes and inhibits stellate cell activation during hepatic fibrosis in mice. J Pineal Res 2017; 62. [PMID: 28247434 DOI: 10.1111/jpi.12404] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Accepted: 02/24/2017] [Indexed: 02/06/2023]
Abstract
Lipid generates reactive oxygen species (ROS) in consequence to mitochondrial fission followed by inflammation in propagating hepatic fibrosis. The interaction of SIRT1/Mitofusin2 is critical for maintaining mitochondrial integrity and functioning, which is disrupted upon excess lipid infiltration during the progression of steatohepatitis. The complex interplay between hepatic stellate cells and steatotic hepatocytes is critically regulated by extracellular factors including increased circulating free fatty acids during fibrogenesis. Melatonin, a potent antioxidant, protects against lipid-mediated mitochondrial ROS generation. Lipotoxicity induces disruption of SIRT1 and Mitofusin2 interaction leading to mitochondrial morphological disintegration in hepatocytes. Further, fragmented mitochondria leads to mitochondrial permeability transition pore opening, cell cycle arrest and apoptosis and melatonin protects against all these lipotoxicity-mediated dysfunctions. These impaired mitochondrial dynamics also enhances the cellular glycolytic flux and reduces mitochondrial oxygen consumption rate that potentiates ROS production. High glycolytic flux generates metabolically unfavorable milieu in hepatocytes leading to inflammation, which is abrogated by melatonin. The melatonin-mediated protection against mitochondrial dysfunction was also observed in high-fat diet (HFD)-fed mice through restoration of enzymatic activities associated with respiratory chain and TCA cycle. Subsequently, melatonin reduces hepatic fat deposition and inflammation in HFD-fed mice. Thus, melatonin disrupts the interaction between steatotic hepatocyte and stellate cells, leading to the activation of the latter to abrogate collagen deposition. Altogether, the results of the current study document that the pharmacological intervention with low dose of melatonin could abrogate lipotoxicity-mediated hepatic stellate cell activation and prevent the fibrosis progression.
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Affiliation(s)
- Nabanita Das
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Ashok Mandala
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
- Academy of Scientific and Innovative Research, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Shamreen Naaz
- Department of Physiology, Oxidative Stress and Free Radical Biology Laboratory, University of Calcutta, University College of Science and Technology, Kolkata, India
| | - Suresh Giri
- Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad, Gujarat, India
| | - Mukul Jain
- Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad, Gujarat, India
| | - Debasish Bandyopadhyay
- Department of Physiology, Oxidative Stress and Free Radical Biology Laboratory, University of Calcutta, University College of Science and Technology, Kolkata, India
| | - Russel J Reiter
- Department of Cellular and Structural Biology, University of Texas Health Centre, San Antonio, TX, USA
| | - Sib Sankar Roy
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
- Academy of Scientific and Innovative Research, CSIR-Indian Institute of Chemical Biology, Kolkata, India
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Sarafi E, Tsouvaltzis P, Chatzissavvidis C, Siomos A, Therios I. Melatonin and resveratrol reverse the toxic effect of high boron (B) and modulate biochemical parameters in pepper plants (Capsicum annuum L.). PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2017; 112:173-182. [PMID: 28088019 DOI: 10.1016/j.plaphy.2016.12.018] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Revised: 12/20/2016] [Accepted: 12/20/2016] [Indexed: 05/26/2023]
Abstract
The objectives of this research were to test a possible involvement of melatonin (MEL) and resveratrol (RES) in restoring growth and to control boron (B) toxicity in peppers. The plants were subjected to four different nutrient solution treatments as following: 1) half-strength Hoagland's nutrient solution (Control), 2) half-strength Hoagland's nutrient solution+100 μM B (100 μMB), 3) half-strength Hoagland's nutrient solution+100 μM boron+100 μMresveratrol (100 μMRES), and 4) half-strength Hoagland's nutrient solution+100 μM B+1 μMmelatonin (1 μM MEL). Pepper plants subjected to B excess (100 μM) for 68 days (d) exhibited visible B toxicity symptoms, reduced rate of photosynthesis (Pn) and reduced dry weight (DW), while their leaf and fruit had the greatest increase of B concentration. The reduction of photosynthesis was restored, the reduction of DW was prevented, while the B leaf and fruit accumulation was moderated with the application of both 100 μMresveratrol (RES) and 1 μMmelatonin (MEL). Moreover, plants exposed to MEL and/or RES displayed no visible B toxicity symptoms. The present study revealed a novel role of MEL and/or RES in the adaptation of pepper plants to B excess based on plant growth, physiological and biochemical criteria.
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Affiliation(s)
- Eleana Sarafi
- Department of Horticulture, Aristotle University, 54124 Thessaloniki, Greece.
| | - Pavlos Tsouvaltzis
- Department of Horticulture, Aristotle University, 54124 Thessaloniki, Greece
| | | | - Anastasios Siomos
- Department of Horticulture, Aristotle University, 54124 Thessaloniki, Greece
| | - Ioannis Therios
- Department of Horticulture, Aristotle University, 54124 Thessaloniki, Greece
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Wu HJ, Wu C, Niu HJ, Wang K, Mo LJ, Shao AW, Dixon BJ, Zhang JM, Yang SX, Wang YR. Neuroprotective Mechanisms of Melatonin in Hemorrhagic Stroke. Cell Mol Neurobiol 2017; 37:1173-1185. [PMID: 28132129 DOI: 10.1007/s10571-017-0461-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Accepted: 01/05/2017] [Indexed: 12/30/2022]
Abstract
Hemorrhagic stroke which consists of subarachnoid hemorrhage and intracerebral hemorrhage is a dominant cause of death and disability worldwide. Although great efforts have been made, the physiological mechanisms of these diseases are not fully understood and effective pharmacological interventions are still lacking. Melatonin (N-acetyl-5-methoxytryptamine), a neurohormone produced by the pineal gland, is a broad-spectrum antioxidant and potent free radical scavenger. More importantly, there is extensive evidence demonstrating that melatonin confers neuroprotective effects in experimental models of hemorrhagic stroke. Multiple molecular mechanisms such as antioxidant, anti-apoptosis, and anti-inflammation, contribute to melatonin-mediated neuroprotection against brain injury after hemorrhagic stroke. This review article aims to summarize current knowledge regarding the beneficial effects of melatonin in experimental models of hemorrhagic stroke and explores the underlying mechanisms. We propose that melatonin is a promising neuroprotective candidate that is worthy of further evaluation for its potential therapeutic applications in hemorrhagic stroke.
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Affiliation(s)
- Hai-Jian Wu
- Department of Neurosurgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3 East Qingchun Road, Hangzhou, 310016, Zhejiang, China
| | - Cheng Wu
- Department of Neurosurgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3 East Qingchun Road, Hangzhou, 310016, Zhejiang, China
| | - Huan-Jiang Niu
- Department of Neurosurgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3 East Qingchun Road, Hangzhou, 310016, Zhejiang, China
| | - Kun Wang
- Department of Neurosurgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3 East Qingchun Road, Hangzhou, 310016, Zhejiang, China
| | - Lian-Jie Mo
- Department of Neurosurgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3 East Qingchun Road, Hangzhou, 310016, Zhejiang, China
| | - An-Wen Shao
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Brandon J Dixon
- Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, Loma Linda, CA, USA
| | - Jian-Min Zhang
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Shu-Xu Yang
- Department of Neurosurgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3 East Qingchun Road, Hangzhou, 310016, Zhejiang, China.
| | - Yi-Rong Wang
- Department of Neurosurgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3 East Qingchun Road, Hangzhou, 310016, Zhejiang, China.
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Xue RQ, Sun L, Yu XJ, Li DL, Zang WJ. Vagal nerve stimulation improves mitochondrial dynamics via an M 3 receptor/CaMKKβ/AMPK pathway in isoproterenol-induced myocardial ischaemia. J Cell Mol Med 2017; 21:58-71. [PMID: 27491814 PMCID: PMC5192749 DOI: 10.1111/jcmm.12938] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 06/27/2016] [Indexed: 12/25/2022] Open
Abstract
Mitochondrial dynamics-fission and fusion-are associated with ischaemic heart disease (IHD). This study explored the protective effect of vagal nerve stimulation (VNS) against isoproterenol (ISO)-induced myocardial ischaemia in a rat model and tested whether VNS plays a role in preventing disorders of mitochondrial dynamics and function. Isoproterenol not only caused cardiac injury but also increased the expression of mitochondrial fission proteins [dynamin-related peptide1 (Drp1) and mitochondrial fission protein1 (Fis-1)) and decreased the expression of fusion proteins (optic atrophy-1 (OPA1) and mitofusins1/2 (Mfn1/2)], thereby disrupting mitochondrial dynamics and leading to increase in mitochondrial fragments. Interestingly, VNS restored mitochondrial dynamics through regulation of Drp1, Fis-1, OPA1 and Mfn1/2; enhanced ATP content and mitochondrial membrane potential; reduced mitochondrial permeability transition pore (MPTP) opening; and improved mitochondrial ultrastructure and size. Furthermore, VNS reduced the size of the myocardial infarction and ameliorated cardiomyocyte apoptosis and cardiac dysfunction induced by ISO. Moreover, VNS activated AMP-activated protein kinase (AMPK), which was accompanied by phosphorylation of Ca2+ /calmodulin-dependent protein kinase kinase β (CaMKKβ) during myocardial ischaemia. Treatment with subtype-3 of muscarinic acetylcholine receptor (M3 R) antagonist 4-diphenylacetoxy-N-methylpiperidine methiodide or AMPK inhibitor Compound C abolished the protective effects of VNS on mitochondrial dynamics and function, suggesting that M3 R/CaMKKβ/AMPK signalling are involved in mediating beneficial effects of VNS. This study demonstrates that VNS modulates mitochondrial dynamics and improves mitochondrial function, possibly through the M3 R/CaMKKβ/AMPK pathway, to attenuate ISO-induced cardiac damage in rats. Targeting mitochondrial dynamics may provide a novel therapeutic strategy in IHD.
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Affiliation(s)
- Run-Qing Xue
- Department of Pharmacology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Lei Sun
- Department of Pharmacology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Xiao-Jiang Yu
- Department of Pharmacology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Dong-Ling Li
- Department of Pharmacology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Wei-Jin Zang
- Department of Pharmacology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, China
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Asghari MH, Abdollahi M, de Oliveira MR, Nabavi SM. A review of the protective role of melatonin during phosphine-induced cardiotoxicity: focus on mitochondrial dysfunction, oxidative stress and apoptosis. J Pharm Pharmacol 2016; 69:236-243. [PMID: 28000313 DOI: 10.1111/jphp.12682] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Accepted: 11/12/2016] [Indexed: 12/17/2022]
Abstract
OBJECTIVES Acute poisoning with aluminium phosphide (AlP) is a major cause of mortality in developing countries. AlP mortality is due to cardiac dysfunction leading to cardiomyocyte death. The main mechanism is an inhibition of cytochrome c oxidase in the cardiomyocyte mitochondria, resulting in a decreased ATP production and oxidative stress. Unfortunately, the administration of exogenous drugs does not meet the desired requirements of an effective therapy. Melatonin is an amphiphilic molecule and can easily pass through all cellular compartments with the highest concentration recorded in mitochondria. It is known as a vigorous antioxidant, acting as a potent reactive oxygen species (ROS) scavenger. Our aim is to summarize the mechanisms by which melatonin may modulate the deteriorating effects of AlP poisoning on cardiac mitochondria. KEY FINDINGS Melatonin not only mitigates the inhibition of respiratory chain complexes, but also increases ATP generation. Moreover, it can directly inhibit the mitochondrial permeability transition pore (mPTP) opening, thus preventing apoptosis. In addition, melatonin inhibits the release of cytochrome c from mitochondria to hinder caspase activation leading to cell survival. SUMMARY Based on the promising effects of melatonin on mitochondria, melatonin may mitigate AlP-induced cardiotoxicity and might be potentially suggested as cardioprotective in AlP-intoxicated patients.
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Affiliation(s)
- Mohammad Hossein Asghari
- Department of Pharmacology, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran.,Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Abdollahi
- Toxicology and Diseases Group, Pharmaceutical Sciences Research Center, Tehran, Iran.,Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Seyed Mohammad Nabavi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
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Suchal K, Malik S, Gamad N, Malhotra RK, Goyal SN, Bhatia J, Arya DS. Kampeferol protects against oxidative stress and apoptotic damage in experimental model of isoproterenol-induced cardiac toxicity in rats. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2016; 23:1401-1408. [PMID: 27765360 DOI: 10.1016/j.phymed.2016.07.015] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Revised: 07/12/2016] [Accepted: 07/30/2016] [Indexed: 05/14/2023]
Abstract
BACKGROUND Myocardial infarction (MI) continues to be associated with high morbidity and mortality worldwide despite the availability of current therapeutic modalities. Kaempferol (KMP), a dietary flavonoid, possesses good antioxidant, immunomodulatory and anti-apoptotic properties and has been evaluated in the present study for its role in mitigating myocardial injury following MI. PURPOSE In this study, the ability of KMP to protect heart against isoproterenol (ISO) induced oxidative stress and myocardial infarction was evaluated. MATERIAL AND METHODS Male Wistar rats (n=48) were administered KMP (5, 10 & 20mg/kg/day, i.p.) or vehicle for 15 days with ISO, 85mg/kg, subcutaneously, for 2 consecutive days was also administered at 24h interval on the 13th and 14th days. On the 15th day, rats were anaesthetized and right coronary artery was cannulated to record hemodynamic parameters. Later on blood sample was collected and heart was removed to estimate biochemical, histopathological, ultrastructural and immuohistochemical studies respectively. RESULTS ISO-treated rats showed a significant reduction in arterial pressure, maximum rate of development of left ventricular pressure and increase in left ventricular end-diastolic pressure. Also, there was a significant decrease in antioxidant enzyme levels such as superoxide dismutase, catalase and glutathione and increase in the level of malondialdehyde and serum TNF-α and IL-6 levels. In addition, the cardiac injury markers such as creatine kinase-MB and lactate dehydrogenase were increased in the serum. Furthermore, immunohistochemistry revealed an increased Bax/Bcl-2 ratio in the myocardium. KMP (5, 10 and 20mg/kg) dose dependently restored hemodynamic, left ventricular functions, decreased cardiac injury marker enzymes in serum, increased antioxidant levels, reduced lipid peroxidation and TNF-α level and apoptosis. Histopathological and ultrastructural studies support the protective effect of KMP in ISO-induced myocardial infarcted rats. CONCLUSION Thus, the present study revealed that KMP mitigates myocardial damage in ISO-induced cardiac injury by maintaining hemodynamic and biochemical parameters and reducing inflammation owing to its anti-apoptotic, anti-inflammatory and antioxidant activities. It may be concluded that a diet containing KMP may be beneficial in those who are at the risk of myocardial injury.
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Affiliation(s)
- Kapil Suchal
- Department of Pharmacology, Cardiovascular Research Laboratory, All India Institute of Medical Sciences, New Delhi-110029, India
| | - Salma Malik
- Department of Pharmacology, Cardiovascular Research Laboratory, All India Institute of Medical Sciences, New Delhi-110029, India
| | - Nanda Gamad
- Department of Pharmacology, Cardiovascular Research Laboratory, All India Institute of Medical Sciences, New Delhi-110029, India
| | - Rajiv Kumar Malhotra
- Department of Pharmacology, Cardiovascular Research Laboratory, All India Institute of Medical Sciences, New Delhi-110029, India
| | - Sameer N Goyal
- Department of Pharmacology, R.C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Maharashtra-425405, India
| | - Jagriti Bhatia
- Department of Pharmacology, Cardiovascular Research Laboratory, All India Institute of Medical Sciences, New Delhi-110029, India
| | - Dharamvir Singh Arya
- Department of Pharmacology, Cardiovascular Research Laboratory, All India Institute of Medical Sciences, New Delhi-110029, India.
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Pei H, Du J, Song X, He L, Zhang Y, Li X, Qiu C, Zhang Y, Hou J, Feng J, Gao E, Li D, Yang Y. Melatonin prevents adverse myocardial infarction remodeling via Notch1/Mfn2 pathway. Free Radic Biol Med 2016; 97:408-417. [PMID: 27387769 DOI: 10.1016/j.freeradbiomed.2016.06.015] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 06/04/2016] [Accepted: 06/16/2016] [Indexed: 01/17/2023]
Abstract
Mitochondrial dysfunction is linked with myocardial infarction (MI), a disorder in which Notch1 has attracted increasing attention. However, the involvement of Notch1 in mitochondrial impairment after an MI is poorly understood, as is the role of mitochondrial fusion-associated protein 2 (Mfn2). Moreover, whether melatonin potentiates the Notch1/Mfn2 pathway in post-MI cardiac damage remains unclear. In our study, small interfering RNAs against Notch1 or Mfn2 and Jagged1 peptide were delivered via intramyocardial injection. At 3 days after these treatments, MI was induced by ligation of the anterior descending branch. We found that this ablation of Notch1 or Mfn2 aggravated post-MI injury, including worsened mitochondrial damage and increased generation of reactive oxygen species (ROS). In contrast, Jagged1 improved mitochondrial structure and function, decreased ROS production and attenuated post-MI injury. Interestingly, though Mfn2 expression was mildly regulated by Notch1 signaling in myocardium, Mfn2 deficiency nearly eliminated the cardioprotection by Jagged1, as evidenced by suppressed cardiac function, aggravated myocardial fibrosis, increased cell apoptosis, worsened mitochondrial impairment and enhanced oxidative stress. These observations revealed that Mfn2 plays an indispensable role in protection against MI-induced injury by Notch1. The mechanism might involve disrupting a damaging cycle of mitochondrial damage and ROS generation. Furthermore, melatonin activated Notch1 signaling and increased Mfn2 expression were reversed by luzindole, a nonselective antagonist of the melatonin receptor. Notably, melatonin attenuated post-MI injury in normal mice, but not in mice deficient in Notch1 or Mfn2. These results demonstrate that melatonin attenuates post-MI injury via the Notch1/Mfn2 pathway in a receptor-dependent manner.
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Affiliation(s)
- Haifeng Pei
- Department of Cardiology, Chengdu Military General Hospital, Chengdu 610083, China; Third Military Medical University, Chongqing 400042, China
| | - Jin Du
- Department of Cardiology, Chengdu Military General Hospital, Chengdu 610083, China
| | - Xiaofeng Song
- Department of Cardiology, Chengdu Military General Hospital, Chengdu 610083, China
| | - Lei He
- Department of Cardiology, Chengdu Military General Hospital, Chengdu 610083, China
| | - Yufei Zhang
- Department of Medical Genetics and Developmental Biology, School of Basic Medicine, Fourth Military Medical University, Xi'an 710032, China
| | - Xiuchuan Li
- Department of Cardiology, Chengdu Military General Hospital, Chengdu 610083, China
| | - Chenming Qiu
- Department of Cardiology, Chengdu Military General Hospital, Chengdu 610083, China
| | - Yangyang Zhang
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Juanni Hou
- Department of Cardiology, Chengdu Military General Hospital, Chengdu 610083, China
| | - Juan Feng
- Department of Cardiology, Chengdu Military General Hospital, Chengdu 610083, China
| | - Erhe Gao
- Center of Translational Medicine, Temple University School of Medicine, Philadelphia, PA 19140, USA
| | - De Li
- Department of Cardiology, Chengdu Military General Hospital, Chengdu 610083, China
| | - Yongjian Yang
- Department of Cardiology, Chengdu Military General Hospital, Chengdu 610083, China; Third Military Medical University, Chongqing 400042, China.
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Alk7 Depleted Mice Exhibit Prolonged Cardiac Repolarization and Are Predisposed to Ventricular Arrhythmia. PLoS One 2016; 11:e0149205. [PMID: 26882027 PMCID: PMC4755580 DOI: 10.1371/journal.pone.0149205] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Accepted: 01/28/2016] [Indexed: 12/16/2022] Open
Abstract
We aimed to investigate the role of activin receptor-like kinase (ALK7) in regulating cardiac electrophysiology. Here, we showed that Alk7-/- mice exhibited prolonged QT intervals in telemetry ECG recordings. Furthermore, Langendorff-perfused Alk7-/- hearts had significantly longer action potential duration (APD) and greater incidence of ventricular arrhythmia (AV) induced by burst pacing. Using whole-cell patch clamp, we found that the densities of repolarizing K+ currents Ito and IK1 were profoundly reduced in Alk7-/- ventricular cardiomyocytes. Mechanistically, the expression of Kv4.2 (a major subunit of Ito carrying channel) and KCHIP2 (a key accessory subunit of Ito carrying channel), was markedly decreased in Alk7-/- hearts. These findings suggest that endogenous expression of ALK7 is necessary to maintain repolarizing K+ currents in ventricular cardiomyocytes, and finally prevent action potential prolongation and ventricular arrhythmia.
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An R, Zhao L, Xi C, Li H, Shen G, Liu H, Zhang S, Sun L. Melatonin attenuates sepsis-induced cardiac dysfunction via a PI3K/Akt-dependent mechanism. Basic Res Cardiol 2015; 111:8. [PMID: 26671026 DOI: 10.1007/s00395-015-0526-1] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Accepted: 11/24/2015] [Indexed: 12/21/2022]
Abstract
Myocardial dysfunction is an important manifestation of sepsis. Previous studies suggest that melatonin is protective against sepsis. In addition, activation of the phosphatidylinositol 3-kinase (PI3K)/protein kinase B (Akt) signaling pathway has been reported to be beneficial in sepsis. However, the role of PI3K/Akt signaling in the protective effect of melatonin against sepsis-induced myocardial dysfunction remains unclear. Here, LY294002, a PI3K inhibitor, was used to investigate the role of PI3K/Akt signaling in mediating the effects of melatonin on sepsis-induced myocardial injury. Cecal ligation and puncture (CLP) surgery was used to establish a rat model of sepsis. Melatonin was administrated to rats intraperitoneally (30 mg/kg). The survival rate, measures of myocardial injury and cardiac performance, serum lactate dehydrogenase level, inflammatory cytokine levels, oxidative stress level, and the extent of myocardial apoptosis were assessed. The results suggest that melatonin administration after CLP surgery improved survival rates and cardiac function, attenuated myocardial injury and apoptosis, and decreased the serum lactate dehydrogenase level. Melatonin decreased the production of the inflammatory cytokines TNF-α, IL-1β, and HMGB1, increased anti-oxidant enzyme activity, and decreased the expression of markers of oxidative damage. Levels of phosphorylated Akt (p-Akt), unphosphorylated Akt (Akt), Bcl-2, and Bax were measured by Western blot. Melatonin increased p-Akt levels, which suggests Akt pathway activation. Melatonin induced higher Bcl-2 expression and lower Bax expression, suggesting inhibition of apoptosis. All protective effects of melatonin were abolished by LY294002, the PI3K inhibitor. In conclusion, our results demonstrate that melatonin mitigates myocardial injury in sepsis via PI3K/Akt signaling activation.
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Affiliation(s)
- Rui An
- Department of Radiology, Xijing Hospital, The Fourth Military Medical University, Xi'an, 710032, China
| | - Lei Zhao
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, 710038, China
| | - Cong Xi
- Department of Neurology, Baoji City People's Hospital, Baoji, 721000, China
| | - Haixun Li
- Department of Radiology, Xijing Hospital, The Fourth Military Medical University, Xi'an, 710032, China
| | - Guohong Shen
- Integrated Branch, Armed Police Corps Hospital of Shanxi Province, Taiyuan, 030006, China
| | - Haixiao Liu
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, 710038, China
| | - Shumiao Zhang
- Department of Physiology, The Fourth Military Medical University, Xi'an, 710032, China
| | - Lijun Sun
- Department of Radiology, Xijing Hospital, The Fourth Military Medical University, Xi'an, 710032, China.
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Zhao L, An R, Yang Y, Yang X, Liu H, Yue L, Li X, Lin Y, Reiter RJ, Qu Y. Melatonin alleviates brain injury in mice subjected to cecal ligation and puncture via attenuating inflammation, apoptosis, and oxidative stress: the role of SIRT1 signaling. J Pineal Res 2015; 59:230-9. [PMID: 26094939 DOI: 10.1111/jpi.12254] [Citation(s) in RCA: 171] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Accepted: 06/05/2015] [Indexed: 12/19/2022]
Abstract
Sepsis is a systemic inflammatory response to infection that causes severe neurological complications. Previous studies have suggested that melatonin is protective during sepsis. Additionally, silent information regulator 1 (SIRT1) was reported to be beneficial in sepsis. However, the role of SIRT1 signaling in the protective effect of melatonin against septic encephalopathy remains unclear. This study aimed to investigate the role of SIRT1 in the protective effect of melatonin. EX527, a SIRT1 inhibitor, was used to reveal the role of SIRT1 in melatonin's action. Cecal ligation and puncture or sham operation was performed in male C57BL/6J mice. Melatonin was administrated intraperitoneally (30 mg/kg). The survival rate of mice was recorded for the 7-day period following the sham or CLP operation. The blood-brain barrier (BBB) integrity, brain water content, levels of inflammatory cytokines (TNF-α, IL-1β, and HMGB1), and the level of oxidative stress (superoxide dismutase (SOD), catalase (CAT), and malondialdehyde (MDA)) and apoptosis were assessed. The expression of SIRT1, Ac-FoxO1, Ac-p53, Ac-NF-κB, Bcl-2, and Bax was detected by Western blot. The results suggested that melatonin improved survival rate, attenuated brain edema and neuronal apoptosis, and preserved BBB integrity. Melatonin decreased the production of TNF-α, IL-1β, and HMGB1. Melatonin increased the activity of SOD and CAT and decreased the MDA production. Additionally, melatonin upregulated the expression of SIRT1 and Bcl-2 and downregulated the expression of Ac-FoxO1, Ac-p53, Ac-NF-κB, and Bax. However, the protective effects of melatonin were abolished by EX527. In conclusion, our results demonstrate that melatonin attenuates sepsis-induced brain injury via SIRT1 signaling activation.
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Affiliation(s)
- Lei Zhao
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Rui An
- Department of Radiology, Xijing Hospital, The Fourth Military Medical University, Xi'an, China
| | - Yang Yang
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Xiangmin Yang
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Haixiao Liu
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Liang Yue
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Xia Li
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
| | - Yan Lin
- Department of Scientific Research, The Fourth Military Medical University, Xi'an, China
| | - Russel J Reiter
- Department of Cellular and Structural Biology, UT Health Science Center, San Antonio, TX, USA
| | - Yan Qu
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, China
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Apigenin Attenuates β-Receptor-Stimulated Myocardial Injury Via Safeguarding Cardiac Functions and Escalation of Antioxidant Defence System. Cardiovasc Toxicol 2015; 16:286-97. [DOI: 10.1007/s12012-015-9336-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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