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Melatonin and Glycine Reduce Uterus Ischemia/Reperfusion Injury in a Rat Model of Warm Ischemia. Int J Mol Sci 2021; 22:ijms22168373. [PMID: 34445081 PMCID: PMC8394613 DOI: 10.3390/ijms22168373] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 07/29/2021] [Accepted: 08/01/2021] [Indexed: 01/01/2023] Open
Abstract
Ischemia/reperfusion injury (IRI) remains a significant problem to be solved in uterus transplantation (UTx). Melatonin and glycine have been shown to possess direct cytoprotective activities, mainly due to their antioxidative and anti-inflammatory properties. The aim of this study was to investigate the protective effects of melatonin and glycine and their combination on IRI in a rat model of warm ischemia. In this study, Sprague-Dawley rats were assigned to eight groups, including sham and IRI (n = 80). Melatonin and glycine alone or their combination were administered prior to 1 h of uterus ischemia followed by 1 h of reperfusion. Melatonin (50 mg/kg) was administered via gavage 2 h before IRI and glycine in an enriched diet for 5 days prior to intervention. Uterus IRI was estimated by histology, including immunohistochemistry, and biochemical tissue analyses. Histology revealed that uterus IRI was significantly attenuated by pretreatment with melatonin (p = 0.019) and glycine (p = 0.044) alone as well as their combination (p = 0.003). Uterus IRI led to increased myeloperoxidase expression, which was significantly reduced by melatonin (p = 0.004), glycine (p < 0.001) or their combination (p < 0.001). The decline in superoxide dismutase activity was significantly reduced in the melatonin (p = 0.027), glycine (p = 0.038) and combined treatment groups (p = 0.015) when compared to the IRI control group. In conclusion, melatonin, glycine and their combination significantly reduced oxidative stress-induced cell damage after IRI in a small animal warm ischemia model, and, therefore, clinical studies are required to evaluate the protective effects of these well-characterized substances in uterus IRI.
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Xiong B. Commentary. Redox Biol 2021; 38:101831. [PMID: 33341428 PMCID: PMC7782927 DOI: 10.1016/j.redox.2020.101831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 12/04/2020] [Indexed: 11/16/2022] Open
Affiliation(s)
- Bo Xiong
- Nanjing Agricultural University, Nanjing, Jiangsu China.
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Baidya R, Crawford DHG, Gautheron J, Wang H, Bridle KR. Necroptosis in Hepatosteatotic Ischaemia-Reperfusion Injury. Int J Mol Sci 2020; 21:ijms21165931. [PMID: 32824744 PMCID: PMC7460692 DOI: 10.3390/ijms21165931] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/12/2020] [Accepted: 08/12/2020] [Indexed: 02/07/2023] Open
Abstract
While liver transplantation remains the sole treatment option for patients with end-stage liver disease, there are numerous limitations to liver transplantation including the scarcity of donor livers and a rise in livers that are unsuitable to transplant such as those with excess steatosis. Fatty livers are susceptible to ischaemia-reperfusion (IR) injury during transplantation and IR injury results in primary graft non-function, graft failure and mortality. Recent studies have described new cell death pathways which differ from the traditional apoptotic pathway. Necroptosis, a regulated form of cell death, has been associated with hepatic IR injury. Receptor-interacting protein kinase 3 (RIPK3) and mixed-lineage kinase domain-like pseudokinase (MLKL) are thought to be instrumental in the execution of necroptosis. The study of hepatic necroptosis and potential therapeutic approaches to attenuate IR injury will be a key factor in improving our knowledge regarding liver transplantation with fatty donor livers. In this review, we focus on the effect of hepatic steatosis during liver transplantation as well as molecular mechanisms of necroptosis and its involvement during liver IR injury. We also discuss the immune responses triggered during necroptosis and examine the utility of necroptosis inhibitors as potential therapeutic approaches to alleviate IR injury.
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Affiliation(s)
- Raji Baidya
- Faculty of Medicine, The University of Queensland, Brisbane, Queensland QLD 4006, Australia; (R.B.); (D.H.G.C.)
- Gallipoli Medical Research Institute, Brisbane, Queensland QLD 4120, Australia;
| | - Darrell H. G. Crawford
- Faculty of Medicine, The University of Queensland, Brisbane, Queensland QLD 4006, Australia; (R.B.); (D.H.G.C.)
- Gallipoli Medical Research Institute, Brisbane, Queensland QLD 4120, Australia;
| | - Jérémie Gautheron
- Sorbonne University, Inserm, Centre de Recherche Saint-Antoine (CRSA), 75012 Paris, France;
- Institute of Cardiometabolism and Nutrition (ICAN), 75013 Paris, France
| | - Haolu Wang
- Gallipoli Medical Research Institute, Brisbane, Queensland QLD 4120, Australia;
- Diamantina Institute, The University of Queensland, Brisbane, Queensland QLD 4102, Australia
| | - Kim R. Bridle
- Faculty of Medicine, The University of Queensland, Brisbane, Queensland QLD 4006, Australia; (R.B.); (D.H.G.C.)
- Gallipoli Medical Research Institute, Brisbane, Queensland QLD 4120, Australia;
- Correspondence: ; Tel.: +61-7-3346-0698
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Martínez Soriano B, Güemes A, Pola G, Gonzalo A, Palacios Gasós P, Navarro AC, Martínez-Beamonte R, Osada J, García JJ. Effect of Melatonin as an Antioxidant Drug to Reverse Hepatic Steatosis: Experimental Model. Can J Gastroenterol Hepatol 2020; 2020:7315253. [PMID: 32566547 PMCID: PMC7293725 DOI: 10.1155/2020/7315253] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 12/25/2019] [Accepted: 01/16/2020] [Indexed: 12/13/2022] Open
Abstract
Introduction The hepatic steatosis of the nonalcoholic origin or NAFLD is increasing at present, particularly in Western countries, parallel to the increase in obesity, constituting one of the most prevalent hepatic processes in the Western society. Melatonin has been successfully tested in experimental models in mice as a drug capable of reversing steatosis. The effect of melatonin on fat metabolism can be summarized as a decrease in lipid peroxidation and a decrease in oxidative stress, biochemical phenomena intimately related to fat deposition in the hepatocyte. There are hardly any studies in large animals. Objective In this study, we investigate the effects of melatonin administered orally at a dose of 10 mg/kg/day to reverse established hepatic steatosis induced by a special diet in a porcine animal model. Materials and Methods We analyze the parameters of oxidative stress: malondialdehyde (MDA), 4-hydroxyalkenals (4-HDA), and carbonyls, degree of fat infiltration (analyzed by direct vision by a pathologist and by means of a computer program of image treatment), and serological parameters of lipid metabolism and hepatic damage. These parameters were analyzed in animals to which hepatic steatosis was induced by means of dietary modifications. Results We have not been able to demonstrate globally a beneficial effect of melatonin in the improvement or reversal of liver steatosis once established, induced by diet in a porcine animal model. However, we have found several signs of improvement at the histological level, at the level of lipid metabolism, and at the level of oxidative stress parameters. We have verified in our study that, in the histological analysis of the liver sample by means of the program image treatment (free of subjectivity) of the animals that continue with the diet, those that consume melatonin do not increase steatosis as much as those that do not consume it significantly (p=0.002). Regarding the parameters of oxidative stress, MDA modifies in a significant manner within the group of animals that continue with the diet and take melatonin (p=0.004). As for lipid metabolism, animals that maintain the steatotic diet and take melatonin lower total and LDL cholesterol levels and increase HDL levels, although these results do not acquire statistical significance. Conclusions In this study, it has not been possible to demonstrate a beneficial effect of melatonin in the improvement or reversal of liver steatosis once established and induced by diet in the porcine model. It is true that signs of improvement have been found at the histological level, at the level of lipid metabolism, and at the level of oxidative stress phenomena, when comparing animals with established steatosis that are treated with melatonin with those who do not take it. This work is the first study conducted in a large animal model in which the effect of melatonin is studied as a treatment in the reversal of established hepatic steatosis.
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Affiliation(s)
| | - Antonio Güemes
- Department of Surgery, University Hospital Lozano Blesa, Zaragoza, Spain
| | - Guillermo Pola
- Department of Surgery, General Defense Hospital, Zaragoza, Spain
| | - Azucena Gonzalo
- Department of Surgery, University Hospital Lozano Blesa, Zaragoza, Spain
| | | | - Ana C. Navarro
- Department of Surgery, University Hospital Lozano Blesa, Zaragoza, Spain
| | | | - Jesús Osada
- Department of Biochemistry and Molecular and Cellular Biology, University of Zaragoza, Zaragoza, Spain
| | - José J. García
- Department of Physiology, University of Zaragoza, Zaragoza, Spain
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Bahrami M, Cheraghpour M, Jafarirad S, Alavinejad P, Asadi F, Hekmatdoost A, Mohammadi M, Yari Z. The effect of melatonin on treatment of patients with non-alcoholic fatty liver disease: a randomized double blind clinical trial. Complement Ther Med 2020; 52:102452. [PMID: 32951715 DOI: 10.1016/j.ctim.2020.102452] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 04/18/2020] [Accepted: 05/20/2020] [Indexed: 12/29/2022] Open
Abstract
OBJECTIVES Many factors implicated in the pathogenesis of non-alcoholic fatty liver disease (NAFLD) are including oxidative stress, insulin resistance and abnormal production of adipokines. The aim of this clinical trial was to evaluate the effect of melatonin supplement on some important biochemical markers and signs related to NAFLD. DESIGN A randomized double-blind, placebo-controlled, clinical trial. SETTING Twenty-four participants in the melatonin group and 21 participants in the placebo group completed the study. INTERVENTION Participants received 6 mg melatonin or placebo daily, 1 h before bedtime. The intervention period was 12 weeks. MAIN OUTCOME MEASURES Anthropometric measurements, systolic and diastolic blood pressure, liver enzymes, high sensitive C‑reactive protein (hs-CRP), fatty liver grade, also leptin and adiponectin serum levels, were measured at the baseline and the end of intervention. RESULTS A significant improvement was observed in weight (p = 0.043), waist circumference (p = 0.027), abdominal circumference (p = 0.043), systolic (p = 0.039), and diastolic (p = 0.015) blood pressure, leptin serum levels (p = 0.032), hs-CRP (p = 0.024), alanine aminotransferase (p = 0.011), aspartate aminotransferase (p = 0.034), also the grade of fatty liver (p = 0.020) in melatonin treated group compared with the placebo. CONCLUSIONS Administration of 6 mg/day melatonin had improvement effect on many factors related to NAFLD such as liver enzymes, hs-CRP, anthropometric measurements, blood pressure, leptin serum levels and the grade of fatty liver.
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Affiliation(s)
- Mina Bahrami
- Hyperlipidemia Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Makan Cheraghpour
- Cancer Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Sima Jafarirad
- Nutrition and Metabolic Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; Nutrition Department, School of Allied Medical Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Pejman Alavinejad
- Research Institute for Infectious Disease of Digestive System, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Fariba Asadi
- Department of Radiology, School of Medicine, Ahvaz Jundishapur University of Medical Science, Ahvaz, Iran
| | - Azita Hekmatdoost
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahsa Mohammadi
- Hyperlipidemia Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Zahra Yari
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Sun H, McKeen T, Wang H, Ni HM. Necroptosis in ischemia-reperfusion injury of lean and steatotic livers. LIVER RESEARCH 2019. [DOI: 10.1016/j.livres.2019.09.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Organ preservation solutions: linking pharmacology to survival for the donor organ pathway. Curr Opin Organ Transplant 2019; 23:361-368. [PMID: 29697461 DOI: 10.1097/mot.0000000000000525] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
PURPOSE OF REVIEW To provide an understanding of the scientific principles, which underpinned the development of organ preservation solutions, and to bring into context new strategies and challenges for solution development against the background of changing preservation technologies and expanded criteria donor access. RECENT FINDINGS Improvements in organ preservation solutions continue to be made with new pharmacological approaches. New solutions have been developed for dynamic perfusion preservation and are now in clinical application. Principles defining organ preservation solution pharmacology are being applied for cold chain logistics in tissue engineering and regenerative medicine. SUMMARY Organ preservation solutions support the donor organ pathway. The solution compositions allow additives and pharmacological agents to be delivered direct to the target organ to mitigate preservation injury. Changing preservation strategies provide further challenges and opportunities to improve organ preservation solutions.
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Ni HM, Chao X, Kaseff J, Deng F, Wang S, Shi YH, Li T, Ding WX, Jaeschke H. Receptor-Interacting Serine/Threonine-Protein Kinase 3 (RIPK3)-Mixed Lineage Kinase Domain-Like Protein (MLKL)-Mediated Necroptosis Contributes to Ischemia-Reperfusion Injury of Steatotic Livers. THE AMERICAN JOURNAL OF PATHOLOGY 2019; 189:1363-1374. [PMID: 31026418 DOI: 10.1016/j.ajpath.2019.03.010] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 02/12/2019] [Accepted: 03/21/2019] [Indexed: 02/07/2023]
Abstract
Increased hepatic ischemia-reperfusion (IR) injury in steatotic livers is a major reason for rejecting the use of fatty livers for liver transplantation. Necroptosis is implicated in the pathogenesis of fatty liver diseases. Necroptosis is regulated by three key proteins: receptor-interacting serine/threonine-protein kinase (RIPK)-1, RIPK3, and mixed-lineage kinase domain-like protein (MLKL). Here, we found that marked steatosis of the liver was induced when a Western diet was given in mice; steatosis was associated with the inhibition of hepatic proteasome activities and with increased levels of key necroptosis-related proteins. Mice fed a Western diet had more severe liver injury, as demonstrated by increases in serum alanine aminotransferase and necrotic areas of liver, after IR than did mice fed a control diet. Although hepatic steatosis was not different between Mlkl knockout mice and wild-type mice, Mlkl knockout mice had decreased hepatic neutrophil infiltration and inflammation and were protected from hepatic IR injury, irrespective of diet. Intriguingly, Ripk3 knockout or Ripk3 kinase-dead knock-in mice were protected against IR injury at the late phase but not the early phase, irrespective of diet. Overall, our findings indicate that liver steatosis exacerbates hepatic IR injury via increased MLKL-mediated necroptosis. Targeting MLKL-mediated necroptosis may help to improve outcomes in steatotic liver transplantation.
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Affiliation(s)
- Hong-Min Ni
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas.
| | - Xiaojuan Chao
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
| | - Joshua Kaseff
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
| | - Fengyan Deng
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
| | - Shaogui Wang
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
| | - Ying-Hong Shi
- Department of Liver Surgery, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China
| | - Tiangang Li
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
| | - Wen-Xing Ding
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
| | - Hartmut Jaeschke
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, Kansas City, Kansas
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Koneru M, Sahu BD, Mir SM, Ravuri HG, Kuncha M, Mahesh Kumar J, Kilari EK, Sistla R. Capsaicin, the pungent principle of peppers, ameliorates alcohol-induced acute liver injury in mice via modulation of matrix metalloproteinases. Can J Physiol Pharmacol 2018; 96:419-427. [DOI: 10.1139/cjpp-2017-0473] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Alcohol, the most common cause for hepatic injury, may further deteriorate the hepatic tissue when left unattended. Capsaicin, the pungent principle of chilli peppers, possesses antioxidant and anti-inflammatory properties and is a proven dietary antioxidant in various ailments. However, its role in alcohol-induced hepatic injury is unclear. In this study, we investigated the effects of capsaicin on the hepatic tissue of mice treated with alcohol. Acute liver injury was induced in mice by oral gavage of 5 doses of 10 mL/kg of 50% ethyl alcohol at an interval of 12 h. The tissue antioxidant levels along with the mitochondrial functional parameters and matrix metalloproteinase levels were evaluated in the hepatic tissues of mice following alcohol challenge. The results showed that alcohol intake significantly attenuated the hepatic antioxidant levels and mitochondrial function. These changes were accompanied by enhanced serum hepatic injury markers and matrix metalloproteinases. However, capsaicin treatment (10 and 20 mg/kg, oral) throughout the experimental period caused a drastic improvement in the hepatic tissue of the alcohol-treated mice, reflected by the normalization of hepatic enzyme and protein levels along with restored histological alterations. These results indicate that capsaicin, as a dietary intervention, may prevent alcohol-induced acute liver injury.
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Affiliation(s)
- Meghana Koneru
- Medicinal Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Bidya Dhar Sahu
- Medicinal Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Salma Mukhtar Mir
- Medicinal Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Halley Gora Ravuri
- Medicinal Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Madhusudana Kuncha
- Medicinal Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Jerald Mahesh Kumar
- Animal House Facility, CSIR-Centre for Cellular and Molecular Biology, Hyderabad 500007, India
| | - Eswar Kumar Kilari
- Department of Pharmacology, A.U. College of Pharmaceutical Sciences, Andhra University, Visakhapatnam 530003, India
| | - Ramakrishna Sistla
- Medicinal Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
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Zhang H, Liu X, Chen T, Ji Y, Shi K, Wang L, Zheng X, Kong J. Melatonin in Apples and Juice: Inhibition of Browning and Microorganism Growth in Apple Juice. Molecules 2018; 23:E521. [PMID: 29495435 PMCID: PMC6017754 DOI: 10.3390/molecules23030521] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 02/21/2018] [Accepted: 02/23/2018] [Indexed: 01/08/2023] Open
Abstract
Synthetic melatonin (N-acetyl-5-methoxytryptamine, MT) is popular in the US and Asian markets as a health supplement. Here, we identified a naturally occurring melatonin source in apple juice. Melatonin was present in all 18 apple cultivars tested. The highest melatonin level of the edible part of apple was detected in the apple peel. The melatonin content in 'Fuji' apple juice is comparable to the level of its flesh. Melatonin was consumed during the process of juicing due to its interaction with the oxidants. Melatonin addition significantly reduced the juice color change to brown (browning). The mechanism is that melatonin scavenges the free radicals, which was indicated by the ASBT analysis; therefore, inhibiting the conversion of o-diphenolic compounds into quinones. Most importantly, melatonin exhibited powerful anti-microorganism activity in juice. The exact mechanisms of this action are currently unknown. These effects of melatonin can preserve the quality and prolong the shelf life of apple juice. The results provide valuable information regarding commerciall apple juice processing and storage.
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Affiliation(s)
- Haixia Zhang
- College of Horticulture, China Agricultural University, Beijing 100193, China.
| | - Xuan Liu
- College of Horticulture, China Agricultural University, Beijing 100193, China.
| | - Ting Chen
- College of Horticulture, China Agricultural University, Beijing 100193, China.
| | - Yazhen Ji
- College of Horticulture, China Agricultural University, Beijing 100193, China.
| | - Kun Shi
- College of Horticulture, China Agricultural University, Beijing 100193, China.
| | - Lin Wang
- College of Horticulture, China Agricultural University, Beijing 100193, China.
| | - Xiaodong Zheng
- College of Horticulture, China Agricultural University, Beijing 100193, China.
| | - Jin Kong
- College of Horticulture, China Agricultural University, Beijing 100193, China.
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Subala SP, Zubero EE, Alatorre-Jimenez MA, Shivakumar MS. Pre-treatment with melatonin decreases abamectin induced toxicity in a nocturnal insect Spodoptera litura (Lepidoptera: Noctuidae). ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2017; 56:76-85. [PMID: 28886429 DOI: 10.1016/j.etap.2017.08.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 08/10/2017] [Accepted: 08/28/2017] [Indexed: 06/07/2023]
Abstract
AIM Oxidative stress is an important component of the mechanism of pesticide toxicity. The aim of the present study was to investigate the time-dependent melatonin effects against abamectin-induced oxidative stress in a S.litura model. Larvae were divided into 5 different groups; (1) control group,(2) Melatonin group (4.3×10-5M/100ml diet), (3) Abamectin group 1.5ml/L, (4) Pre-melatonin treated group (PM) (4.3×10-5M/100ml diet) before abamectin exposure 1.5ml/L, (5) Post-melatonin treated group (TM) after abamectin exposure. Melatonin was supplemented via artificial diet in PM and TM animals during 24h. MAIN METHODS Midgut, fatbody, and hemolymph, were collected for the analysis of oxidative stress markers (Total ROS, GSH, nitrite, TBARS, LPO), antioxidant enzyme levels (SOD, GST, CAT, POX, APOX) in fifth instar larvae. Midgut damage was examined by using morphological analysis. KEY FINDINGS Our results observed that ABA group showed significant changes (p<0.001) in the ROS and carbonyl content in midgut. The increase of antioxidant enzyme levels (SOD, CAT, POX, and APOX) in midgut was led by the continuous free radical scavenger cascade of melatonin. Significant (p<0.01) increases in CAT and APOX levels were seen in the fatbody of PM and TM treated insects. SIGNIFICANCE In conclusion, the results of the study revealed that abamectin toxicity generates oxidative stress in the insect, while pre-melatonin treatment reduces this damage due to its antioxidant properties, especially POX levels in midgut, fatbody, and hemolymph. Therefore, indoleamine can play a vital role curtailing the abamectin toxicity in time dependent manner in S.litura.
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Affiliation(s)
- Subramanian P Subala
- Molecular Entomology Laboratory, Department of Biotechnology, School of Biosciences, Periyar University, Salem, 36011, Tamil Nadu, India
| | - Eduardo E Zubero
- Department of Pharmacology and Physiology, University of Zaragoza, Zaragoza, Spain
| | - Moises A Alatorre-Jimenez
- Department of Cellular and Structural Biology, Health Science Center, University of Texas, San Antonio, USA
| | - Muthugounder S Shivakumar
- Molecular Entomology Laboratory, Department of Biotechnology, School of Biosciences, Periyar University, Salem, 36011, Tamil Nadu, India.
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Mortezaee K, Khanlarkhani N. Melatonin application in targeting oxidative‐induced liver injuries: A review. J Cell Physiol 2017; 233:4015-4032. [DOI: 10.1002/jcp.26209] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Accepted: 10/04/2017] [Indexed: 01/03/2023]
Affiliation(s)
- Keywan Mortezaee
- Department of AnatomySchool of MedicineKurdistan University of Medical SciencesSanandajIran
| | - Neda Khanlarkhani
- Department of Anatomy, School of MedicineTehran University of Medical SciencesTehranIran
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Reiter RJ, Mayo JC, Tan DX, Sainz RM, Alatorre-Jimenez M, Qin L. Melatonin as an antioxidant: under promises but over delivers. J Pineal Res 2016; 61:253-78. [PMID: 27500468 DOI: 10.1111/jpi.12360] [Citation(s) in RCA: 1021] [Impact Index Per Article: 127.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 08/05/2016] [Indexed: 12/12/2022]
Abstract
Melatonin is uncommonly effective in reducing oxidative stress under a remarkably large number of circumstances. It achieves this action via a variety of means: direct detoxification of reactive oxygen and reactive nitrogen species and indirectly by stimulating antioxidant enzymes while suppressing the activity of pro-oxidant enzymes. In addition to these well-described actions, melatonin also reportedly chelates transition metals, which are involved in the Fenton/Haber-Weiss reactions; in doing so, melatonin reduces the formation of the devastatingly toxic hydroxyl radical resulting in the reduction of oxidative stress. Melatonin's ubiquitous but unequal intracellular distribution, including its high concentrations in mitochondria, likely aid in its capacity to resist oxidative stress and cellular apoptosis. There is credible evidence to suggest that melatonin should be classified as a mitochondria-targeted antioxidant. Melatonin's capacity to prevent oxidative damage and the associated physiological debilitation is well documented in numerous experimental ischemia/reperfusion (hypoxia/reoxygenation) studies especially in the brain (stroke) and in the heart (heart attack). Melatonin, via its antiradical mechanisms, also reduces the toxicity of noxious prescription drugs and of methamphetamine, a drug of abuse. Experimental findings also indicate that melatonin renders treatment-resistant cancers sensitive to various therapeutic agents and may be useful, due to its multiple antioxidant actions, in especially delaying and perhaps treating a variety of age-related diseases and dehumanizing conditions. Melatonin has been effectively used to combat oxidative stress, inflammation and cellular apoptosis and to restore tissue function in a number of human trials; its efficacy supports its more extensive use in a wider variety of human studies. The uncommonly high-safety profile of melatonin also bolsters this conclusion. It is the current feeling of the authors that, in view of the widely diverse beneficial functions that have been reported for melatonin, these may be merely epiphenomena of the more fundamental, yet-to-be identified basic action(s) of this ancient molecule.
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Affiliation(s)
- Russel J Reiter
- Department of Cellular and Structural Biology, University of Texas Health Science Center, San Antonio, TX, USA.
| | - Juan C Mayo
- Department of Cellular and Structural Biology, University of Texas Health Science Center, San Antonio, TX, USA
| | - Dun-Xian Tan
- Department of Cellular and Structural Biology, University of Texas Health Science Center, San Antonio, TX, USA
| | - Rosa M Sainz
- Department of Cellular and Structural Biology, University of Texas Health Science Center, San Antonio, TX, USA
| | - Moises Alatorre-Jimenez
- Department of Cellular and Structural Biology, University of Texas Health Science Center, San Antonio, TX, USA
| | - Lilian Qin
- Department of Cellular and Structural Biology, University of Texas Health Science Center, San Antonio, TX, USA
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