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Gao S, Cheng Q, Hu Y, Fan X, Liang C, Niu C, Kang Q, Wei T. Melatonin antagonizes oxidative stress-induced apoptosis in retinal ganglion cells through activating the thioredoxin-1 pathway. Mol Cell Biochem 2024:10.1007/s11010-024-04924-2. [PMID: 38353878 DOI: 10.1007/s11010-024-04924-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 01/05/2024] [Indexed: 03/28/2024]
Abstract
This study aimed to explore the role of melatonin in oxidative stress-induced injury on retinal ganglion cells and the underlying mechanisms. The immortalized RGC-5 cells were treated with H2O2 to induce oxidative injury. Cell viability was measured by Cell Counting Kit-8, and apoptosis was determined by flow cytometry and western blot assays. Reactive oxygen species (ROS), lactate dehydrogenase (LDH), and malondialdehyde (MDA) levels were examined to evaluate oxidative stress levels. In addition, Thioredoxin-1 (Trx1) was silenced in RGC-5 cells using small interfering RNA followed by signaling pathway examination to explore the underlying mechanisms of melatonin in alleviating oxidative injury. Melatonin pre-treatment significantly alleviated H2O2-induced apoptosis in RGC-5 cells. Melatonin also markedly reversed the upregulation of cleaved-caspase 3, cleaved-caspase 9, and Bax expression and downregulation of Bcl-2 expression induced by H2O2. Further analyses presented that melatonin significantly attenuated the increase of ROS, LDH, and MDA levels in RGC-5 cells after H2O2 treatment. Melatonin also abolished the downregulated expression of Superoxide dismutase type 1, Trx1, and Thioredoxin reductase 1, and the reduced activity of thioredoxin reductase in RGC-5 cells after H2O2 treatment. Notably, Trx1 knockdown significantly mitigated the protective effect of melatonin in alleviating H2O2-induced apoptosis and oxidative stress, while administration of compound C, a common inhibitor of c-Jun N-terminal kinase (JNK) signaling, partially reversed the effect of Trx1 silencing, thereby ameliorating the apoptosis and oxidative injury induced by H2O2 in RGC-5 cells. Melatonin could significantly alleviate oxidative stress-induced injury of retinal ganglion cells via modulating Trx1-mediated JNK signaling pathway.
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Affiliation(s)
- Shan Gao
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, No.277 Yanta West Road, Yanta District, Xi'an, 710061, Shaanxi, China
| | - Qiaochu Cheng
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, No.277 Yanta West Road, Yanta District, Xi'an, 710061, Shaanxi, China
| | - Yaguang Hu
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, No.277 Yanta West Road, Yanta District, Xi'an, 710061, Shaanxi, China
| | - Xiaojuan Fan
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, No.277 Yanta West Road, Yanta District, Xi'an, 710061, Shaanxi, China
| | - Chen Liang
- Department of Neurosurgery, the First Affiliated Hospital of Xi'an Jiaotong University, No.277 Yanta West Road, Yanta District, Xi'an, 710061, Shaanxi, China
| | - Chen Niu
- Department of Medical Imaging, the First Affiliated Hospital of Xi'an Jiaotong University, No.277 Yanta West Road, Yanta District, Xi'an, 710061, Shaanxi, China
| | - Qianyan Kang
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, No.277 Yanta West Road, Yanta District, Xi'an, 710061, Shaanxi, China
| | - Ting Wei
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, No.277 Yanta West Road, Yanta District, Xi'an, 710061, Shaanxi, China.
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Zhang X, Zheng Y, Wang Z, Gan J, Yu B, Lu B, Jiang X. Melatonin as a therapeutic agent for alleviating endothelial dysfunction in cardiovascular diseases: Emphasis on oxidative stress. Biomed Pharmacother 2023; 167:115475. [PMID: 37722190 DOI: 10.1016/j.biopha.2023.115475] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 09/03/2023] [Accepted: 09/07/2023] [Indexed: 09/20/2023] Open
Abstract
The vascular endothelium is vital in maintaining cardiovascular health by regulating vascular permeability and tone, preventing thrombosis, and controlling vascular inflammation. However, when oxidative stress triggers endothelial dysfunction, it can lead to chronic cardiovascular diseases (CVDs). This happens due to oxidative stress-induced mitochondrial dysfunction, inflammatory responses, and reduced levels of nitric oxide. These factors cause damage to endothelial cells, leading to the acceleration of CVD progression. Melatonin, a natural antioxidant, has been shown to inhibit oxidative stress and stabilize endothelial function, providing cardiovascular protection. The clinical application of melatonin in the prevention and treatment of CVDs has received widespread attention. In this review, based on bibliometric studies, we first discussed the relationship between oxidative stress-induced endothelial dysfunction and CVDs, then summarized the role of melatonin in the treatment of atherosclerosis, hypertension, myocardial ischemia-reperfusion injury, and other CVDs. Finally, the potential clinical use of melatonin in the treatment of these diseases is discussed.
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Affiliation(s)
- Xiaolu Zhang
- Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China
| | - Yujia Zheng
- Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China
| | - Ziyu Wang
- Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China
| | - Jiali Gan
- Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China
| | - Bin Yu
- Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China
| | - Bin Lu
- Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China.
| | - Xijuan Jiang
- Tianjin University of Traditional Chinese Medicine, Tianjin 301617, PR China.
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He Q, Xiao L, Shi Y, Li W, Xin X. Natural products: protective effects against ischemia-induced retinal injury. Front Pharmacol 2023; 14:1149708. [PMID: 37180697 PMCID: PMC10169696 DOI: 10.3389/fphar.2023.1149708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Accepted: 04/05/2023] [Indexed: 05/16/2023] Open
Abstract
Ischemic retinal damage, a common condition associated with retinal vascular occlusion, glaucoma, diabetic retinopathy, and other eye diseases, threatens the vision of millions of people worldwide. It triggers excessive inflammation, oxidative stress, apoptosis, and vascular dysfunction, leading to the loss and death of retinal ganglion cells. Unfortunately, minority drugs are available for treating retinal ischemic injury diseases, and their safety are limited. Therefore, there is an urgent need to develop more effective treatments for ischemic retinal damage. Natural compounds have been reported to have antioxidant, anti-inflammatory, and antiapoptotic properties that can be used to treat ischemic retinal damage. In addition, many natural compounds have been shown to exhibit biological functions and pharmacological properties relevant to the treatment of cellular and tissue damage. This article reviews the neuroprotective mechanisms of natural compounds involve treating ischemic retinal injury. These natural compounds may serve as treatments for ischemia-induced retinal diseases.
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Affiliation(s)
- Qianxiong He
- Department of Ophthalmology, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Liuyi Xiao
- Department of Ophthalmology, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Yuanjiang Shi
- Department of Ophthalmology, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
- Clinical Medicine School of Southwest Medical University, Southwest Medical University, Luzhou, Sichuan, China
| | - Wanrong Li
- Department of Ophthalmology, People's Hospital of Golog Tibetan Autonomous Prefecture, Golog, Qinghai, China
| | - Xiaorong Xin
- Department of Ophthalmology, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
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Chattree V, Singh K, Singh K, Goel A, Maity A, Lone A. A comprehensive review on modulation of SIRT1 signaling pathways in the immune system of COVID-19 patients by phytotherapeutic melatonin and epigallocatechin-3-gallate. J Food Biochem 2022; 46:e14259. [PMID: 35662052 PMCID: PMC9347991 DOI: 10.1111/jfbc.14259] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/30/2022] [Accepted: 05/10/2022] [Indexed: 01/13/2023]
Abstract
SARS-CoV-2 infection has now become the world's most significant health hazard, with the World Health Organization declaring a pandemic on March 11, 2020. COVID-19 enters the lungs through angiotensin-converting enzyme 2 (ACE2) receptors, alters various signaling pathways, and causes immune cells to overproduce cytokines, resulting in mucosal inflammation, lung damage, and multiple organ failure in COVID-19 patients. Although several antiviral medications have been effective in managing the virus, they have not been effective in lowering the inflammation and symptoms of the illness. Several studies have found that epigallocatechin-3-gallate and melatonin upregulate sirtuins proteins, which leads to downregulation of pro-inflammatory gene transcription and NF-κB, protecting organisms from oxidative stress in autoimmune, respiratory, and cardiovascular illnesses. As a result, the purpose of this research is to understand more about the molecular pathways through which these phytochemicals affect COVID-19 patients' impaired immune systems, perhaps reducing hyperinflammation and symptom severity. PRACTICAL APPLICATIONS: Polyphenols are natural secondary metabolites that are found to be present in plants. EGCG a polyphenol belonging to the flavonoid family in tea has potent anti-inflammatory and antioxidative properties that helps to counter the inflammation and oxidative stress associated with many neurodegenerative diseases. Melatonin, another strong antioxidant in plants, has been shown to possess antiviral function and alleviate oxidative stress in many inflammatory diseases. In this review, we propose an alternative therapy for COVID-19 patients by supplementing their diet with these nutraceuticals that perhaps by modulating sirtuin signaling pathways counteract cytokine storm and oxidative stress, the root causes of severe inflammation and symptoms in these patients.
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Affiliation(s)
- Vineeta Chattree
- Department of Biochemistry, Deshbandhu CollegeDelhi UniversityNew DelhiIndia
| | - Kamana Singh
- Department of Biochemistry, Deshbandhu CollegeDelhi UniversityNew DelhiIndia
| | - Kanishk Singh
- Department of Biochemistry, Deshbandhu CollegeDelhi UniversityNew DelhiIndia
| | - Aayush Goel
- Department of Biochemistry, Deshbandhu CollegeDelhi UniversityNew DelhiIndia
| | - Amritaparna Maity
- Department of Biochemistry, Deshbandhu CollegeDelhi UniversityNew DelhiIndia
| | - Asif Lone
- Department of Biochemistry, Deshbandhu CollegeDelhi UniversityNew DelhiIndia
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Hosseinzadeh A, Bagherifard A, Koosha F, Amiri S, Karimi-Behnagh A, Reiter RJ, Mehrzadi S. Melatonin effect on platelets and coagulation: Implications for a prophylactic indication in COVID-19. Life Sci 2022; 307:120866. [PMID: 35944663 PMCID: PMC9356576 DOI: 10.1016/j.lfs.2022.120866] [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: 06/26/2022] [Revised: 07/26/2022] [Accepted: 08/03/2022] [Indexed: 11/04/2022]
Abstract
Severe COVID-19 is associated with the dynamic changes in coagulation parameters. Coagulopathy is considered as a major extra-pulmonary risk factor for severity and mortality of COVID-19; patients with elevated levels of coagulation biomarkers have poorer in-hospital outcomes. Oxidative stress, alterations in the activity of cytochrome P450 enzymes, development of the cytokine storm and inflammation, endothelial dysfunction, angiotensin-converting enzyme 2 (ACE2) enzyme malfunction and renin–angiotensin system (RAS) imbalance are among other mechanisms suggested to be involved in the coagulopathy induced by severe acute respiratory syndrome coronavirus (SARS-CoV-2). The activity and function of coagulation factors are reported to have a circadian component. Melatonin, a multipotential neurohormone secreted by the pineal gland exclusively at night, regulates the cytokine system and the coagulation cascade in infections such as those caused by coronaviruses. Herein, we review the mechanisms and beneficial effects of melatonin against coagulopathy induced by SARS-CoV-2 infection.
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Hosseinzadeh A, Dehdashtian E, Jafari-Sabet M, Mehrzadi S. The effects of vitamin D3 and melatonin combination on pentylenetetrazole-induced seizures in mice. Cent Nerv Syst Agents Med Chem 2022; 22:118-124. [PMID: 35507790 DOI: 10.2174/1871524922666220429121253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 02/06/2022] [Accepted: 02/16/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Epileptic seizures are associated with the overproduction of free radicals in the brain leading to neuronal cell death. Therefore, reduction of oxidative stress may inhibit seizure-induced neuronal cell damage. Current study evaluated the effects of Vit D3 and melatonin and their combination on pentylenetetrazol (PTZ)-induced tonic clonic seizures in mice. METHODS Animals were divided into six groups. Group I was administrated with normal saline (0.5 ml, intraperitoneally (i.p.)) on the 15th day of experiment. Group II was injected with PTZ (60 mg/kg dissolved in 0.5 ml normal saline, i.p) on the 15th day. Groups III-IV were treated with diazepam (4 mg/kg/day), Vit D3 (6000 IU/kg/day), melatonin (20 mg/kg/day) and Vit D3 (6000 IU/kg/day)/melatonin (20 mg/kg/day), respectively, and were then injected with PTZ (60 mg/kg) on the 15th day of experiment. Immediately after the injection of PTZ on the 15th day, mice were observed for a 30-min period for the measurement of seizure latency and duration. For determination of oxidative stress markers, malondialdehyde (MDA) level and superoxide dismutase (SOD) activity were measured in mouse brains. RESULTS Treatment with Vit D3, melatonin, and Vit D3/melatonin significantly increased seizure latency and decreased seizure duration. The brain level of MDA was lower and SOD activity was greater than the PTZ group. Mice treated with Vit D3/melatonin had lower seizure duration compared to other treated groups. CONCLUSIONS Combination of Vit D3 and melatonin may reduce seizure frequency in epileptic patients; this effect may result from various mechanisms including inhibition of oxidative stress.
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Affiliation(s)
- Azam Hosseinzadeh
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Ehsanz Dehdashtian
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Majid Jafari-Sabet
- Department of Pharmacology, School of Medicine, Iran University of Medical Sciences, Tehran Iran
| | - Saeed Mehrzadi
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
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Busa P, Kuthati Y, Huang N, Wong CS. New Advances on Pathophysiology of Diabetes Neuropathy and Pain Management: Potential Role of Melatonin and DPP-4 Inhibitors. Front Pharmacol 2022; 13:864088. [PMID: 35496279 PMCID: PMC9039240 DOI: 10.3389/fphar.2022.864088] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/14/2022] [Indexed: 12/14/2022] Open
Abstract
Pre-diabetes and diabetes are growing threats to the modern world. Diabetes mellitus (DM) is associated with comorbidities such as hypertension (83.40%), obesity (90.49%), and dyslipidemia (93.43%), creating a substantial burden on patients and society. Reductive and oxidative (Redox) stress level imbalance and inflammation play an important role in DM progression. Various therapeutics have been investigated to treat these neuronal complications. Melatonin and dipeptidyl peptidase IV inhibitors (DPP-4i) are known to possess powerful antioxidant and anti-inflammatory properties and have garnered significant attention in the recent years. In this present review article, we have reviewed the recently published reports on the therapeutic efficiency of melatonin and DPP-4i in the treatment of DM. We summarized the efficacy of melatonin and DPP-4i in DM and associated complications of diabetic neuropathy (DNP) and neuropathic pain. Furthermore, we discussed the mechanisms of action and their efficacy in the alleviation of oxidative stress in DM.
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Affiliation(s)
- Prabhakar Busa
- Department of Anesthesiology, Cathay General Hospital, Taipei, Taiwan
| | - Yaswanth Kuthati
- Department of Anesthesiology, Cathay General Hospital, Taipei, Taiwan
| | - Niancih Huang
- Department of Anesthesiology, Tri-Service General Hospital, Taipei, Taiwan
- Grauate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Chih-Shung Wong
- Department of Anesthesiology, Cathay General Hospital, Taipei, Taiwan
- Department of Anesthesiology, Tri-Service General Hospital, Taipei, Taiwan
- Grauate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan
- *Correspondence: Chih-Shung Wong,
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Choe K, Park HY, Ikram M, Lee HJ, Park TJ, Ullah R, Kim MO. Systematic Review of the Common Pathophysiological Mechanisms in COVID-19 and Neurodegeneration: The Role of Bioactive Compounds and Natural Antioxidants. Cells 2022; 11:cells11081298. [PMID: 35455977 PMCID: PMC9031507 DOI: 10.3390/cells11081298] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 04/08/2022] [Accepted: 04/09/2022] [Indexed: 02/06/2023] Open
Abstract
The novel coronavirus (2019-nCoVCOVID-19) belongs to the Beta coronavirus family, which contains MERS-CoV (Middle East respiratory syndrome coronavirus) and SARS-CoV (severe acute respiratory syndrome coronavirus). SARS-CoV-2 activates the innate immune system, thereby activating the inflammatory mechanism, causing the release of inflammatory cytokines. Moreover, it has been suggested that COVID-19 may penetrate the central nervous system, and release inflammatory cytokines in the brains, inducing neuroinflammation and neurodegeneration. Several links connect COVID-19 with Alzheimer’s disease (AD), such as elevated oxidative stress, uncontrolled release of the inflammatory cytokines, and mitochondrial apoptosis. There are severe concerns that excessive immune cell activation in COVID-19 may aggravate the neurodegeneration and amyloid-beta pathology of AD. Here, we have collected the evidence, showing the links between the two diseases. The focus has been made to collect the information on the activation of the inflammation, its contributors, and shared therapeutic targets. Furthermore, we have given future perspectives, research gaps, and overlapping pathological bases of the two diseases. Lastly, we have given the short touch to the drugs that have equally shown rescuing effects against both diseases. Although there is limited information available regarding the exact links between COVID-19 and neuroinflammation, we have insight into the pathological contributors of the diseases. Based on the shared pathological features and therapeutic targets, we hypothesize that the activation of the immune system may induce neurological disorders by triggering oxidative stress and neuroinflammation.
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Affiliation(s)
- Kyonghwan Choe
- Division of Life Science and Applied Life Science (BK21 FOUR), College of Natural Sciences, Gyeongsang National University, Jinju 52828, Korea; (K.C.); (M.I.); (H.J.L.); (R.U.)
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Maastricht University, 6229 ER Maastricht, The Netherlands
| | - Hyun Young Park
- Department of Pediatrics, Maastricht University Medical Center, 6202 AZ Maastricht, The Netherlands;
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNS), Maastricht Medical Center, 6229 ER Maastricht, The Netherlands
| | - Muhammad Ikram
- Division of Life Science and Applied Life Science (BK21 FOUR), College of Natural Sciences, Gyeongsang National University, Jinju 52828, Korea; (K.C.); (M.I.); (H.J.L.); (R.U.)
| | - Hyeon Jin Lee
- Division of Life Science and Applied Life Science (BK21 FOUR), College of Natural Sciences, Gyeongsang National University, Jinju 52828, Korea; (K.C.); (M.I.); (H.J.L.); (R.U.)
| | - Tae Ju Park
- Haemato-Oncology/Systems Medicine Group, Paul O’Gorman Leukaemia Research Centre, Institute of Cancer Sciences, College of Medical, Veterinary & Life Sciences (MVLS), University of Glasgow, Glasgow G12 0ZD, UK;
| | - Rahat Ullah
- Division of Life Science and Applied Life Science (BK21 FOUR), College of Natural Sciences, Gyeongsang National University, Jinju 52828, Korea; (K.C.); (M.I.); (H.J.L.); (R.U.)
| | - Myeong Ok Kim
- Division of Life Science and Applied Life Science (BK21 FOUR), College of Natural Sciences, Gyeongsang National University, Jinju 52828, Korea; (K.C.); (M.I.); (H.J.L.); (R.U.)
- Alz-Dementia Korea Co., Jinju 52828, Korea
- Correspondence: ; Tel.: +82-55-772-1345; Fax: +82-55-772-2656
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Fatemi I, Dehdashtian E, Pourhanifeh MH, Mehrzadi S, Hosseinzadeh A. Therapeutic Application of Melatonin in the Treatment of Melanoma: A Review. CURRENT CANCER THERAPY REVIEWS 2021. [DOI: 10.2174/1573394717666210526140950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Melanoma is an aggressive type of skin cancer, which is responsible for more deaths
than nonmelanoma skin cancers. Therapeutic strategies include targeted therapy, biochemotherapy,
immunotherapy, photodynamic therapy, chemotherapy, and surgical resection. Depending on the
clinical stage, single or combination therapy may be used to prevent and treat cancer. Due to resistance
development during treatment courses, the efficacy of mentioned therapies can be reduced.
In addition to resistance, these treatments have serious side effects for melanoma patients. According
to available reports, melatonin, a pineal indolamine with a wide spectrum of biological potentials,
has anticancer features. Furthermore, melatonin could protect against chemotherapy- and radiation-
induced adverse events and can sensitize cancer cells to therapy. The present review discusses
the therapeutic application of melatonin in the treatment of melanoma. This review was carried
out in PubMed, Web of Science, and Scopus databases comprising the date of publication period
from January 1976 to March 2021.
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Affiliation(s)
- Iman Fatemi
- Research Center of Tropical and Infectious Diseases, Kerman University of Medical Sciences, Kerman,Iran
| | - Ehsan Dehdashtian
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran,Iran
| | | | - Saeed Mehrzadi
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran,Iran
| | - Azam Hosseinzadeh
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran,Iran
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Tao Y, Hu B, Ma Z, Li H, Du E, Wang G, Xing B, Ma J, Song Z. Intravitreous delivery of melatonin affects the retinal neuron survival and visual signal transmission: in vivo and ex vivo study. Drug Deliv 2021; 27:1386-1396. [PMID: 33016801 PMCID: PMC7580852 DOI: 10.1080/10717544.2020.1818882] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Intravitreal delivery can maximize the intensity of therapeutic agents and extend their residence time within ocular tissue. Melatonin is a lipophilic molecule that crosses freely biological barriers and cell membranes. This study intends to investigate the effects of intravitreally delivered melatonin on mouse retina. The visual function of administered mice is assessed by electrophysiological and behavior examinations three weeks after intravitreal delivery. Moreover, multi-electrode array (MEA) was used to assess the electrical activities of retinal ganglion cells (RGCs). We found that intravitreal delivery of high dosage melatonin (400-500 µg/kg) destroyed the retinal architecture and impaired the visual function of mice. Conversely, the melatonin administration at low dose (100-300 µg/kg) did not have any significant effects on the photoreceptor survival or visual function. As shown in the MEA recording, the photoreceptors activity of the central region was more severely disturbed by the high dose melatonin. A pronounced augment of the spontaneous firing frequency was recorded in these mice received high dosage melatonin, indicating that intravitreal delivery of high dosage melatonin would affect the electrical activity of RGCs. Immunostaining assay showed that the vitality of cone photoreceptor was impaired by high dose melatonin. These findings suggest that intravitreal melatonin is not always beneficial for ocular tissues, especially when it is administered at high dosage. These data add new perspectives to current knowledge about melatonin delivery at the ocular level. Further therapeutic strategies should take into consideration of these risks that caused by delivery approach.
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Affiliation(s)
- Ye Tao
- Department of Ophthalmology, People's hospital of Zhengzhou University, Zhengzhou, PR China.,Department of physiology and neuroscience, Basic college of medicine, Zhengzhou University Zhengzhou, PR China
| | - Bang Hu
- Department of Colorectal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, PR China
| | - Zhao Ma
- Department of Neurosurgery, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wu Han, PR China
| | - Haijun Li
- Department of Ophthalmology, People's hospital of Zhengzhou University, Zhengzhou, PR China.,Department of physiology and neuroscience, Basic college of medicine, Zhengzhou University Zhengzhou, PR China
| | - Enming Du
- Department of Ophthalmology, People's hospital of Zhengzhou University, Zhengzhou, PR China.,Department of physiology and neuroscience, Basic college of medicine, Zhengzhou University Zhengzhou, PR China
| | - Gang Wang
- Department of Ophthalmology, People's hospital of Zhengzhou University, Zhengzhou, PR China.,Department of physiology and neuroscience, Basic college of medicine, Zhengzhou University Zhengzhou, PR China
| | - Biao Xing
- Department of Neurosurgery, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wu Han, PR China
| | - Jie Ma
- Department of Neurosurgery, Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wu Han, PR China
| | - Zongming Song
- Department of Ophthalmology, People's hospital of Zhengzhou University, Zhengzhou, PR China.,Department of physiology and neuroscience, Basic college of medicine, Zhengzhou University Zhengzhou, PR China
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Potential Effects of Melatonin and Micronutrients on Mitochondrial Dysfunction during a Cytokine Storm Typical of Oxidative/Inflammatory Diseases. Diseases 2021; 9:diseases9020030. [PMID: 33919780 PMCID: PMC8167770 DOI: 10.3390/diseases9020030] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/09/2021] [Accepted: 04/11/2021] [Indexed: 02/06/2023] Open
Abstract
Exaggerated oxidative stress and hyper-inflammation are essential features of oxidative/inflammatory diseases. Simultaneously, both processes may be the cause or consequence of mitochondrial dysfunction, thus establishing a vicious cycle among these three factors. However, several natural substances, including melatonin and micronutrients, may prevent or attenuate mitochondrial damage and may preserve an optimal state of health by managing the general oxidative and inflammatory status. This review aims to describe the crucial role of mitochondria in the development and progression of multiple diseases as well as the close relationship among mitochondrial dysfunction, oxidative stress, and cytokine storm. Likewise, it attempts to summarize the main findings related to the powerful effects of melatonin and some micronutrients (vitamins and minerals), which may be useful (alone or in combination) as therapeutic agents in the treatment of several examples of oxidative/inflammatory pathologies, including sepsis, as well as cardiovascular, renal, neurodegenerative, and metabolic disorders.
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12
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Morchang A, Malakar S, Poonudom K, Noisakran S, Yenchitsomanus PT, Limjindaporn T. Melatonin Inhibits Dengue Virus Infection via the Sirtuin 1-Mediated Interferon Pathway. Viruses 2021; 13:v13040659. [PMID: 33920458 PMCID: PMC8070382 DOI: 10.3390/v13040659] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 04/05/2021] [Accepted: 04/09/2021] [Indexed: 01/01/2023] Open
Abstract
Dengue virus (DENV) is the causative pathogen in the life-threatening dengue hemorrhagic fever and dengue shock syndrome. DENV is transmitted to humans via the bite of an infected Aedes mosquito. Approximately 100 million people are infected annually worldwide, and most of those live in tropical and subtropical areas. There is still no effective drug or vaccine for treatment of DENV infection. In this study, we set forth to investigate the effect of melatonin, which is a natural hormone with multiple pharmacological functions, against DENV infection. Treatment with subtoxic doses of melatonin dose-dependently inhibited DENV production. Cross-protection across serotypes and various cell types was also observed. Time-of-addition assay suggested that melatonin exerts its influence during the post-entry step of viral infection. The antiviral activity of melatonin partly originates from activation of the sirtuin pathway since co-treatment with melatonin and the sirtuin 1 (SIRT1) inhibitor reversed the effect of melatonin treatment alone. Moreover, melatonin could modulate the transcription of antiviral genes that aid in suppression of DENV production. This antiviral mechanism of melatonin suggests a possible new strategy for treating DENV infection.
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Affiliation(s)
- Atthapan Morchang
- Division of Molecular Medicine, Department of Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand; (A.M.); (P.-t.Y.)
| | - Shilu Malakar
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand; (S.M.); (K.P.)
| | - Kanchanaphan Poonudom
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand; (S.M.); (K.P.)
| | - Sansanee Noisakran
- Molecular Biology of Dengue and Flaviviruses Research Team, Medical Molecular Biotechnology Research Group, National Center for Genetic Engineering and Biotechnology, National Science and Technology Development Agency, Bangkok 10700, Thailand;
- Division of Dengue Hemorrhagic Fever Research, Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
- Siriraj Center of Research Excellence in Dengue and Emerging Pathogens, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Pa-thai Yenchitsomanus
- Division of Molecular Medicine, Department of Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand; (A.M.); (P.-t.Y.)
| | - Thawornchai Limjindaporn
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand; (S.M.); (K.P.)
- Correspondence: ; Tel.: +66-2-419-2754
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13
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Mehrzadi S, Pourhanifeh MH, Mirzaei A, Moradian F, Hosseinzadeh A. An updated review of mechanistic potentials of melatonin against cancer: pivotal roles in angiogenesis, apoptosis, autophagy, endoplasmic reticulum stress and oxidative stress. Cancer Cell Int 2021; 21:188. [PMID: 33789681 PMCID: PMC8011077 DOI: 10.1186/s12935-021-01892-1] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 03/23/2021] [Indexed: 12/19/2022] Open
Abstract
Cancers are serious life-threatening diseases which annually are responsible for millions of deaths across the world. Despite many developments in therapeutic approaches for affected individuals, the rate of morbidity and mortality is high. The survival rate and life quality of cancer patients is still low. In addition, the poor prognosis of patients and side effects of the present treatments underscores that finding novel and effective complementary and alternative therapies is a critical issue. Melatonin is a powerful anticancer agent and its efficiency has been widely documented up to now. Melatonin applies its anticancer abilities through affecting various mechanisms including angiogenesis, apoptosis, autophagy, endoplasmic reticulum stress and oxidative stress. Regarding the implication of mentioned cellular processes in cancer pathogenesis, we aimed to further evaluate the anticancer effects of melatonin via these mechanisms.
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Affiliation(s)
- Saeed Mehrzadi
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Hossein Pourhanifeh
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Alireza Mirzaei
- Bone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Farid Moradian
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Azam Hosseinzadeh
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran.
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14
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El-Goly AMM. Lines of Treatment of COVID-19 Infection. COVID-19 INFECTIONS AND PREGNANCY 2021. [PMCID: PMC8298380 DOI: 10.1016/b978-0-323-90595-4.00002-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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15
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Pourhanifeh MH, Mehrzadi S, Hosseinzadeh A. Melatonin and regulation of miRNAs: novel targeted therapy for cancerous and noncancerous disease. Epigenomics 2020; 13:65-81. [PMID: 33350862 DOI: 10.2217/epi-2020-0241] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
miRNAs, small noncoding RNAs with crucial diagnostic and prognostic capabilities, play essential therapeutic roles in different human diseases. These biomarkers are involved in several biological mechanisms and are responsible for the regulation of multiple genes expressions in cells. miRNA-based therapy has shown a very bright future in the case of clinical interventions. Melatonin, the main product of the pineal gland, is a multifunctional neurohormone with numerous therapeutic potentials in human diseases. Melatonin is able to regulate miRNAs in different pathologies such as malignant and nonmalignant diseases, which can be considered as a novel kind of targeted therapy. Herein, this review discusses possible therapeutic utility of melatonin for the regulation of miRNAs in various pathological conditions.
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Affiliation(s)
| | - Saeed Mehrzadi
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Azam Hosseinzadeh
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
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16
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A Topical Formulation of Melatoninergic Compounds Exerts Strong Hypotensive and Neuroprotective Effects in a Rat Model of Hypertensive Glaucoma. Int J Mol Sci 2020; 21:ijms21239267. [PMID: 33291737 PMCID: PMC7730513 DOI: 10.3390/ijms21239267] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 11/23/2020] [Accepted: 12/02/2020] [Indexed: 02/08/2023] Open
Abstract
Melatonin is of great importance for regulating several eye processes, including pressure homeostasis. Melatonin in combination with agomelatine has been recently reported to reduce intraocular pressure (IOP) with higher efficacy than each compound alone. Here, we used the methylcellulose (MCE) rat model of hypertensive glaucoma, an optic neuropathy characterized by the apoptotic death of retinal ganglion cells (RGCs), to evaluate the hypotensive and neuroprotective efficacy of an eye drop nanomicellar formulation containing melatonin/agomelatine. Eye tissue distribution of melatonin/agomelatine in healthy rats was evaluated by HPLC/MS/MS. In the MCE model, we assessed by tonometry the hypotensive efficacy of melatonin/agomelatine. Neuroprotection was revealed by electroretinography; by levels of inflammatory and apoptotic markers; and by RGC density. The effects of melatonin/agomelatine were compared with those of timolol (a beta blocker with prevalent hypotensive activity) or brimonidine (an alpha 2 adrenergic agonist with potential neuroprotective efficacy), two drugs commonly used to treat glaucoma. Both melatonin and agomelatine penetrate the posterior segment of the eye. In the MCE model, IOP elevation was drastically reduced by melatonin/agomelatine with higher efficacy than that of timolol or brimonidine. Concomitantly, gliosis-related inflammation and the Bax-associated apoptosis were partially prevented, thus leading to RGC survival and recovered retinal dysfunction. We suggest that topical melatoninergic compounds might be beneficial for ocular health.
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17
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Melatonin potentials against viral infections including COVID-19: Current evidence and new findings. Virus Res 2020; 287:198108. [PMID: 32768490 PMCID: PMC7405774 DOI: 10.1016/j.virusres.2020.198108] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/30/2020] [Accepted: 07/31/2020] [Indexed: 12/14/2022]
Abstract
Viral infections are dangerous diseases for human health worldwide, which lead to significant morbidity and mortality each year. Because of their importance and the lack of effective therapeutic approaches, further attempts should be made to discover appropriate alternative or complementary treatments. Melatonin, a multifunctional neurohormone mainly synthesized and secreted by the pineal gland, plays some roles in the treatment of viral infections. Regarding a deadly outbreak of COVID-19 across the world, we decided to discuss melatonin functions against various viral infections including COVID-19. Therefore, in this review, we summarize current evidence on melatonin therapy for viral infections with focus on possible underlying mechanisms of melatonin actions.
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18
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Clinical Application of Melatonin in the Treatment of Cardiovascular Diseases: Current Evidence and New Insights into the Cardioprotective and Cardiotherapeutic Properties. Cardiovasc Drugs Ther 2020; 36:131-155. [PMID: 32926271 DOI: 10.1007/s10557-020-07052-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/04/2020] [Indexed: 12/17/2022]
Abstract
Cardiovascular diseases (CVDs) are the leading global cause of mortality and disability, tending to happen in younger individuals in developed countries. Despite improvements in medical treatments, the therapy and long-term prognosis of CVDs such as myocardial ischemia-reperfusion, atherosclerosis, heart failure, cardiac hypertrophy and remodeling, cardiomyopathy, coronary artery disease, myocardial infarction, and other CVDs threatening human life are not satisfactory enough. Therefore, many researchers are attempting to identify novel potential therapeutic methods for the treatment of CVDs. Melatonin is an anti-inflammatory and antioxidant agent with a wide range of therapeutic properties. Recently, several investigations have been carried out to evaluate its effectiveness and efficiency in CVDs therapy, focusing on mechanistic pathways. Herein, this review aims to summarize current findings of melatonin treatment for CVDs.
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19
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Mehrzadi MH, Hosseinzadeh A, Juybari KB, Mehrzadi S. Melatonin and urological cancers: a new therapeutic approach. Cancer Cell Int 2020; 20:444. [PMID: 32943992 PMCID: PMC7488244 DOI: 10.1186/s12935-020-01531-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 09/01/2020] [Indexed: 12/12/2022] Open
Abstract
Urological cancers are responsible for thousands of cancer-related deaths around the world. Despite all developments in therapeutic approaches for cancer therapy, the absence of efficient treatments is a critical and vital problematic issue for physicians and researchers. Furthermore, routine medical therapies contribute to several undesirable adverse events for patients, reducing life quality and survival time. Therefore, many attempts are needed to explore potent alternative or complementary treatments for great outcomes. Melatonin has multiple beneficial potential effects, including anticancer properties. Melatonin in combination with chemoradiation therapy or even alone could suppress urological cancers through affecting essential cellular pathways. This review discusses current evidence reporting the beneficial effect of melatonin in urological malignancies, including prostate cancer, bladder cancer, and renal cancer.
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Affiliation(s)
- Mohammad Hossein Mehrzadi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
| | - Azam Hosseinzadeh
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Kobra Bahrampour Juybari
- Department of Pharmacology, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Saeed Mehrzadi
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
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20
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Pourhanifeh MH, Mehrzadi S, Kamali M, Hosseinzadeh A. Melatonin and gastrointestinal cancers: Current evidence based on underlying signaling pathways. Eur J Pharmacol 2020; 886:173471. [PMID: 32877658 DOI: 10.1016/j.ejphar.2020.173471] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 08/06/2020] [Accepted: 08/07/2020] [Indexed: 02/06/2023]
Abstract
Gastrointestinal (GI) cancers, leading causes of cancer-related deaths, have been serious challenging human diseases up to now. Because of high rates of mortality, late-stage diagnosis, metastasis to distant locations, and low effectiveness and adverse events of routine standard therapies, the quality of life and survival time are low in patients with GI cancers. Hence, many efforts need to be done to explore and find novel efficient treatments. Beneficial effects of melatonin have been reported in a wide variety of human diseases. Melatonin has antioxidant, anti-inflammatory, antimicrobial, and anticancer effects. Various studies have showed the regulatory effects of melatonin on apoptotsis, autophagy and angiogenesis; these properties result in the inhibition of invasion, migration, and proliferation of GI cancer cells in vivo and in vitro. Together, this review suggests that melatonin in combination with anticancer agents may improve the efficacy of routine medicine and survival rate of patients with cancer.
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Affiliation(s)
- Mohammad Hossein Pourhanifeh
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
| | - Saeed Mehrzadi
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
| | | | - Azam Hosseinzadeh
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran.
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