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Liu WX, Tan SJ, Wang YF, Zhang FL, Feng YQ, Ge W, Dyce PW, Reiter RJ, Shen W, Cheng SF. Melatonin promotes the proliferation of primordial germ cell-like cells derived from porcine skin-derived stem cells: A mechanistic analysis. J Pineal Res 2022; 73:e12833. [PMID: 36106819 DOI: 10.1111/jpi.12833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 07/12/2022] [Accepted: 08/03/2022] [Indexed: 11/28/2022]
Abstract
In vitro differentiation of stem cells into functional gametes remains of great interest in the biomedical field. Skin-derived stem cells (SDSCs) are an adult stem cells that provides a wide range of clinical applications without inherent ethical restrictions. In this paper, porcine SDSCs were successfully differentiated into primordial germ cell-like cells (PGCLCs) in conditioned media. The PGCLCs were characterized in terms of cell morphology, marker gene expression, and epigenetic properties. Furthermore, we also found that 25 μM melatonin (MLT) significantly increased the proliferation of the SDSC-derived PGCLCs while acting through the MLT receptor type 1 (MT1). RNA-seq results found the mitogen-activated protein kinase (MAPK) signaling pathway was more active when PGCLCs were cultured with MLT. Moreover, the effect of MLT was attenuated by the use of S26131 (MT1 antagonist), crenolanib (platelet-derived growth factor receptor inhibitor), U0126 (mitogen-activated protein kinase kinase inhibitor), or CCG-1423 (serum response factor transcription inhibitor), suggesting that MLT promotes the proliferation processes through the MAPK pathway. Taken together, this study highlights the role of MLT in promoting PGCLCs proliferation. Importantly, this study provides a suitable in vitro model for use in translational studies and could help to answer numerous remaining questions related to germ cell physiology.
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Affiliation(s)
- Wen-Xiang Liu
- College of Life Sciences, Institute of Reproductive Sciences, Qingdao Agricultural University, Qingdao, China
- State Key Laboratory of Reproductive Regulation & Breeding of Grassland Livestock, College of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Shao-Jing Tan
- College of Life Sciences, Institute of Reproductive Sciences, Qingdao Agricultural University, Qingdao, China
| | - Yu-Feng Wang
- College of Life Sciences, Institute of Reproductive Sciences, Qingdao Agricultural University, Qingdao, China
- Department of Molecular Medicine and Genetics, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, China
| | - Fa-Li Zhang
- College of Life Sciences, Institute of Reproductive Sciences, Qingdao Agricultural University, Qingdao, China
| | - Yu-Qing Feng
- School Hospital, Qingdao Agricultural University, Qingdao, China
| | - Wei Ge
- College of Life Sciences, Institute of Reproductive Sciences, Qingdao Agricultural University, Qingdao, China
| | - Paul W Dyce
- Department of Animal Sciences, Auburn University, Auburn, Alabama, USA
| | - Russel J Reiter
- Department of Cell Systems and Anatomy, UT Health, San Antonio, Texas, USA
| | - Wei Shen
- College of Life Sciences, Institute of Reproductive Sciences, Qingdao Agricultural University, Qingdao, China
| | - Shun-Feng Cheng
- College of Life Sciences, Institute of Reproductive Sciences, Qingdao Agricultural University, Qingdao, China
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2
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Alamdari AF, Rahnemayan S, Rajabi H, Vahed N, Kashani HRK, Rezabakhsh A, Sanaie S. Melatonin as a promising modulator of aging related neurodegenerative disorders: Role of microRNAs. Pharmacol Res 2021; 173:105839. [PMID: 34418564 DOI: 10.1016/j.phrs.2021.105839] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 08/02/2021] [Accepted: 08/16/2021] [Indexed: 02/07/2023]
Abstract
One of the host risk factors involved in aging-related diseases is coupled with the reduction of endogenous melatonin (MLT) synthesis in the pineal gland. MLT is considered a well-known pleiotropic regulatory hormone to modulate a multitude of biological processes such as the regulation of circadian rhythm attended by potent anti-oxidant, anti-inflammatory, and anti-cancer properties. It has also been established that the microRNAs family, as non-coding mRNAs regulating post-transcriptional processes, also serve a crucial role to promote MLT-related advantageous effects in both experimental and clinical settings. Moreover, the anti-aging impact of MLT and miRNAs participation jointly are of particular interest, recently. In this review, we aimed to scrutinize recent advances concerning the therapeutic implications of MLT, particularly in the brain tissue in the face of aging. We also assessed the possible interplay between microRNAs and MLT, which could be considered a therapeutic strategy to slow down the aging process in the nervous system.
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Affiliation(s)
- Arezoo Fathalizadeh Alamdari
- Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran; Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sama Rahnemayan
- Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran; Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hadi Rajabi
- Research Center for Translational Medicine, School of Medicine, Koç University, Istanbul, Turkey
| | - Nafiseh Vahed
- Research Center for Evidence-Based Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamid Reza Khayat Kashani
- Department of Neurosurgery, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Aysa Rezabakhsh
- Cardiovascular Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Emergency Medicine Research Team, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Sarvin Sanaie
- Neurosciences Research Center, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran.
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3
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Zhang W, Wang N, Zhang T, Wang M, Ge W, Wang X. Roles of Melatonin in Goat Hair Follicle Stem Cell Proliferation and Pluripotency Through Regulating the Wnt Signaling Pathway. Front Cell Dev Biol 2021; 9:686805. [PMID: 34150780 PMCID: PMC8212062 DOI: 10.3389/fcell.2021.686805] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Accepted: 05/03/2021] [Indexed: 01/20/2023] Open
Abstract
Emerging studies show that melatonin promotes cashmere development through hypodermic implantation. However, the impact and underlying mechanisms are currently unknown. In vitro study has previously demonstrated that melatonin induces cashmere growth by regulating the proliferation of goat secondary hair follicle stem cells (gsHFSCs), but there is limited information concerning the effects of melatonin on cell pluripotency. It is also known that Wnt signaling may actively participate in regulating cell proliferation and stem cell pluripotency. Therefore, in the current investigation, goat hair follicle stem cells were exposed to multiple concentrations of melatonin and different culture times to reveal the relationship between melatonin and the activation of Wnt signaling. A proportionally high Catenin beta-1 (CTNNB1) response was induced by 500 ng/L of melatonin, but it was then suppressed with the dosages over 1,000 ng/L. Greater amounts of CTNNB1 entered the cell nuclei by extending the exposure time to 72 h, which activated transcription factor 4/lymphoid enhancer-binding factor 1 and promoted the expression of the proliferation-related genes C-MYC, C-JUN, and CYCLIND1. Moreover, nuclear receptor ROR-alpha (RORα) and bone morphogenetic protein 4 (BMP4) were employed to analyze the underlying mechanism. RORα presented a sluggish concentration/time-dependent rise, but BMP4 was increased dramatically by melatonin exposure, which revealed that melatonin might participate in regulating the pluripotency of hair follicle stem cells. Interestingly, NOGGIN, which is a BMP antagonist and highly relevant to cell stemness, was also stimulated by melatonin. These findings demonstrated that melatonin exposure and/or NOGGIN overexpression in hair follicle stem cells might promote the expression of pluripotency markers Homeobox protein NANOG, Organic cation/carnitine transporter 4, and Hematopoietic progenitor cell antigen CD34. Our findings here provided a comprehensive view of Wnt signaling in melatonin stimulated cells and melatonin mediated stemness of gsHFSCs by regulating NOGGIN, which demonstrates a regulatory mechanism of melatonin enhancement on the growth of cashmere.
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Affiliation(s)
- Weidong Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Niu Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Tongtong Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Meng Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Wei Ge
- College of Life Sciences, Qingdao Agricultural University, Qingdao, China
| | - Xin Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, China
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4
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Onaolapo OJ, Onaolapo AY, Olowe OA, Udoh MO, Udoh DO, Nathaniel TI. Melatonin and Melatonergic Influence on Neuronal Transcription Factors: Implications for the Development of Novel Therapies for Neurodegenerative Disorders. Curr Neuropharmacol 2021; 18:563-577. [PMID: 31885352 PMCID: PMC7457420 DOI: 10.2174/1570159x18666191230114339] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 12/16/2019] [Accepted: 12/28/2019] [Indexed: 01/04/2023] Open
Abstract
Melatonin is a multifunctional signalling molecule that is secreted by the mammalian pineal gland, and also found in a number of organisms including plants and bacteria. Research has continued to uncover an ever-increasing number of processes in which melatonin is known to play crucial roles in mammals. Amongst these functions is its contribution to cell multiplication, differentiation and survival in the brain. Experimental studies show that melatonin can achieve these functions by influencing transcription factors which control neuronal and glial gene expression. Since neuronal survival and differentiation are processes that are important determinants of the pathogenesis, course and outcome of neurodegenerative disorders; the known and potential influences of melatonin on neuronal and glial transcription factors are worthy of constant examination. In this review, relevant scientific literature on the role of melatonin in preventing or altering the course and outcome of neurodegenerative disorders, by focusing on melatonin's influence on transcription factors is examined. A number of transcription factors whose functions can be influenced by melatonin in neurodegenerative disease models have also been highlighted. Finally, the therapeutic implications of melatonin's influences have also been discussed and the potential limitations to its applications have been highlighted.
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Affiliation(s)
- Olakunle J. Onaolapo
- Behavioural Neuroscience/Neuropharmacology Unit, Department of Pharmacology, Ladoke Akintola University of Technology, Osogbo, Osun State, Nigeria
| | - Adejoke Y. Onaolapo
- Behavioural Neuroscience/Neurobiology Unit, Department of Anatomy, Ladoke Akintola University of Technology, Ogbomosho, Oyo State, Nigeria
| | - Olugbenga A. Olowe
- Molecular Bacteriology and Immunology Unit, Department of Medical Microbiology and Parasitology, Ladoke Akintola University of Technology, Osogbo, Osun State, Nigeria
| | - Mojisola O. Udoh
- Department of Pathology, University of Benin Teaching Hospital, Benin City, Nigeria
| | - David O. Udoh
- Division of Neurological Surgery, Department of Surgery, University of Benin Teaching Hospital, Benin City, Edo State, Nigeria
| | - Thomas I. Nathaniel
- University of South Carolina School of Medicine-Greenville, Greenville, South Carolina, 29605, United States
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5
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The multiple functions of melatonin in regenerative medicine. Ageing Res Rev 2018; 45:33-52. [PMID: 29630951 DOI: 10.1016/j.arr.2018.04.003] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2017] [Revised: 04/03/2018] [Accepted: 04/04/2018] [Indexed: 02/07/2023]
Abstract
Melatonin research has been experiencing hyper growth in the last two decades; this relates to its numerous physiological functions including anti-inflammation, oncostasis, circadian and endocrine rhythm regulation, and its potent antioxidant activity. Recently, a large number of studies have focused on the role of melatonin in the regeneration of cells or tissues after their partial loss. In this review, we discuss the recent findings on the molecular involvement of melatonin in the regeneration of various tissues including the nervous system, liver, bone, kidney, bladder, skin, and muscle, among others.
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6
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Advanced developmental toxicity test method based on embryoid body’s area. Reprod Toxicol 2017; 72:74-85. [DOI: 10.1016/j.reprotox.2017.06.185] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 06/25/2017] [Accepted: 06/29/2017] [Indexed: 11/18/2022]
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7
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Yoo YM, Park YC. Data on MyoD reduction by autophagy in C2C12 cells. Data Brief 2017; 13:650-654. [PMID: 28725668 PMCID: PMC5502695 DOI: 10.1016/j.dib.2017.06.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 05/31/2017] [Accepted: 06/21/2017] [Indexed: 11/30/2022] Open
Abstract
Autophagy is a highly regulated physiologic mechanism in which cells maintain homeostasis by degrading excessive or unnecessary proteins and damaged or aged organelles through the lysosomal machinery (Yorimitsu and Klionsky, 2005) [1]. MyoD is basic helix-loop-helix (bHLH) transcription factors that regulate myoblast proliferation and myogenic differentiation. MyoD is expressed in adult skeletal muscle (Megeney et al., 1996) [2] and adult fibers (Brack et al., 2005) [3]. MyoD is mainly degraded by the ubiquitin-proteasome system (Floyd et al., 2001) [4] and partly by autophagy (Kim et al., 2012) [5]. Data showed that autophagy decreased MyoD protein in C2C12 cells by Western blotting analysis.
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Affiliation(s)
- Yeong-Min Yoo
- Department of Forest Environment Protection, College of Forest and Environmental Science, Kangwon National University, Chuncheon, Gangwon-do 24341, Republic of Korea.,Institute of Forest Science, College of Forest and Environmental Science, Kangwon National University, Chuncheon, Gangwon-do 24341, Republic of Korea
| | - Yung Chul Park
- Department of Forest Environment Protection, College of Forest and Environmental Science, Kangwon National University, Chuncheon, Gangwon-do 24341, Republic of Korea.,Institute of Forest Science, College of Forest and Environmental Science, Kangwon National University, Chuncheon, Gangwon-do 24341, Republic of Korea
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8
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Wu H, Song C, Zhang J, Zhao J, Fu B, Mao T, Zhang Y. Melatonin-mediated upregulation of GLUT1 blocks exit from pluripotency by increasing the uptake of oxidized vitamin C in mouse embryonic stem cells. FASEB J 2017; 31:1731-1743. [PMID: 28069827 DOI: 10.1096/fj.201601085r] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Accepted: 01/03/2017] [Indexed: 12/21/2022]
Abstract
Melatonin and vitamin C are powerful antioxidants that improve the reprogramming efficiency of induced pluripotent stem cells (iPSCs). However, the effects of the combined treatment of vitamin C and melatonin on the differentiation of embryonic stem cells (ESCs) have not yet been examined. In this study, we showed that melatonin synergizes with vitamin C to derail exit from pluripotency of mouse ESCs. This effect is related to the increased uptake of dehydroascorbate, the oxidized form of vitamin C, through glucose transporter 1 (Glut1) transporter, which in turn, is upregulated by melatonin treatment. Analysis of the cell signaling pathway profiling systems and specific pathway inhibition indicated that melatonin enhances Glut1 expression by activating the PI3K/AKT and MAPK/ERK signaling pathways. Our findings provide a theoretical basis for application of melatonin in research on ESCs and iPSCs and for further investigation of the effect of combinatorial compounds on cell reprogramming.-Wu, H., Song, C., Zhang, J., Zhao, J., Fu, B., Mao, T., Zhang, Y. Melatonin-mediated upregulation of GLUT1 blocks exit from pluripotency by increasing the uptake of oxidized vitamin C in mouse embryonic stem cells.
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Affiliation(s)
- Haibo Wu
- College of Veterinary Medicine, Northwest Agriculture and Forestry (A&F) University, Yangling, China; and .,Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Northwest A&F University, Yangling, China
| | - Chao Song
- College of Veterinary Medicine, Northwest Agriculture and Forestry (A&F) University, Yangling, China; and.,Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Northwest A&F University, Yangling, China
| | - Jingcheng Zhang
- College of Veterinary Medicine, Northwest Agriculture and Forestry (A&F) University, Yangling, China; and.,Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Northwest A&F University, Yangling, China
| | - Jiamin Zhao
- College of Veterinary Medicine, Northwest Agriculture and Forestry (A&F) University, Yangling, China; and .,Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Northwest A&F University, Yangling, China
| | - Beibei Fu
- College of Veterinary Medicine, Northwest Agriculture and Forestry (A&F) University, Yangling, China; and.,Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Northwest A&F University, Yangling, China
| | - Tingchao Mao
- College of Veterinary Medicine, Northwest Agriculture and Forestry (A&F) University, Yangling, China; and.,Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Northwest A&F University, Yangling, China
| | - Yong Zhang
- College of Veterinary Medicine, Northwest Agriculture and Forestry (A&F) University, Yangling, China; and .,Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Northwest A&F University, Yangling, China
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9
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Zhang S, Chen S, Li Y, Liu Y. Melatonin as a promising agent of regulating stem cell biology and its application in disease therapy. Pharmacol Res 2016; 117:252-260. [PMID: 28042087 DOI: 10.1016/j.phrs.2016.12.035] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 12/22/2016] [Accepted: 12/22/2016] [Indexed: 01/20/2023]
Abstract
Stem cells have emerged as an important approach to repair and regenerate damaged tissues or organs and show great therapeutic potential in a variety of diseases. However, the low survival of engrafted stem cells still remains a major challenge for stem cell therapy. As a major hormone from the pineal gland, melatonin has been shown to play an important role in regulating the physiological and pathological functions of stem cells, such as promoting proliferation, migration and differentiation. Thus, melatonin combined with stem cell transplantation displayed promising application potential in neurodegenerative diseases, liver cirrhosis, wound healing, myocardial infarction, kidney ischemia injury, osteoporosis, etc. It exerts its physiological and pathological functions through its anti-oxidant, anti-inflammatory, anti-apoptosis and anti-ageing properties. Here, we summarize recent advances on exploring the biological role of melatonin in stem cells, and discuss its potential applications in stem cell-based therapy.
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Affiliation(s)
- Shuo Zhang
- College of Pharmacy, Harbin Medical University, Harbin 150081, Heilongjiang Province, China
| | - Simon Chen
- Cumming School of Medicine, University of Calgary, Calgary, Canada
| | - Yuan Li
- College of Pharmacy, Harbin Medical University, Harbin 150081, Heilongjiang Province, China
| | - Yu Liu
- Department of Clinical Laboratory Diagnosis, the Fourth Affiliated Hospital of Harbin Medical University, Harbin 150001, Heilongjiang Province, China.
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Othman AI, Edrees GM, El-Missiry MA, Ali DA, Aboel-Nour M, Dabdoub BR. Melatonin controlled apoptosis and protected the testes and sperm quality against bisphenol A-induced oxidative toxicity. Toxicol Ind Health 2016; 32:1537-49. [DOI: 10.1177/0748233714561286] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Epidemiological reports have indicated a correlation between the increasing bisphenol A (BPA) levels in the environment and the incidence of male infertility. In this study, the protective effects of melatonin on BPA-induced oxidative stress and apoptosis were investigated in the rat testes and epididymal sperm. Melatonin (10 mg/kg body weight (bw)) was injected concurrently with BPA (50 mg/kg bw) for 3 and 6 weeks. The administration of BPA significantly increased oxidative stress in the testes and epididymal sperm. This was associated with a decrease in the serum testosterone level as well as sperm quality, chromatin condensation/de-condensation level, and the percentage of haploid germ cells in the semen. BPA administration caused a significant increase in apoptosis accompanied by a decrease in the expression of the antiapoptotic proteins Bcl-2 in the testes and epididymal sperm. The concurrent administration of melatonin decreased oxidative stress by modulating the levels of glutathione, superoxide dismutase, and catalase as well as the malondialdehyde and hydrogen peroxide concentrations in the testes and sperm. Melatonin sustained Bcl-2 expression and controlled apoptosis. Furthermore, melatonin maintained the testosterone levels, ameliorated histopathological changes, increased the percentages of seminal haploid germ cells, and protected sperm chromatin condensation process, indicating appropriate spermatogenesis with production of functional sperm. In conclusion, melatonin protected against BPA-induced apoptosis by controlling Bcl-2 expression and ameliorating oxidative stress in the testes and sperm. Thus, melatonin is a promising pharmacological agent for preventing the potential reproductive toxicity of BPA following occupational or environmental exposures.
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Affiliation(s)
- Azza I Othman
- Department of Zoology, Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Gamal M Edrees
- Department of Zoology, Faculty of Science, Mansoura University, Mansoura, Egypt
| | | | - Doaa A Ali
- Department of Zoology, Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Mohamed Aboel-Nour
- Department of Zoology, Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Banan R Dabdoub
- Department of Biology, Faculty of Education, Mosul University, Mosul, Iraq
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11
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Lopes J, Arnosti D, Trosko JE, Tai MH, Zuccari D. Melatonin decreases estrogen receptor binding to estrogen response elements sites on the OCT4 gene in human breast cancer stem cells. Genes Cancer 2016; 7:209-17. [PMID: 27551335 PMCID: PMC4979593 DOI: 10.18632/genesandcancer.107] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Accepted: 06/08/2016] [Indexed: 01/19/2023] Open
Abstract
Cancer stem cells (CSCs) pose a challenge in cancer treatment, as these cells can drive tumor growth and are resistant to chemotherapy. Melatonin exerts its oncostatic effects through the estrogen receptor (ER) pathway in cancer cells, however its action in CSCs is unclear. Here, we evaluated the effect of melatonin on the regulation of the transcription factor OCT4 (Octamer Binding 4) by estrogen receptor alpha (ERα) in breast cancer stem cells (BCSCs). The cells were grown as a cell suspension or as anchorage independent growth, for the mammospheres growth, representing the CSCs population and treated with 10 nM estrogen (E2) or 10 μM of the environmental estrogen Bisphenol A (BPA) and 1 mM of melatonin. At the end, the cell growth as well as OCT4 and ERα expression and the binding activity of ERα to the OCT4 was assessed. The increase in number and size of mammospheres induced by E2 or BPA was reduced by melatonin treatment. Furthermore, binding of the ERα to OCT4 was reduced, accompanied by a reduction of OCT4 and ERα expression. Thus, melatonin treatment is effective against proliferation of BCSCs in vitro and impacts the ER pathway, demonstrating its potential therapeutic use in breast cancer.
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Affiliation(s)
- Juliana Lopes
- Department of Biology, Universidade Estadual Paulista “Júlio de Mesquita Filho”, São José do Rio Preto, SP, Brazil
| | - David Arnosti
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI, USA
| | - James E. Trosko
- Department of Pediatrics and Human Development, Michigan State University, East Lansing, MI, USA
| | - Mei-Hui Tai
- Department of Pediatrics and Human Development, Michigan State University, East Lansing, MI, USA
| | - Debora Zuccari
- Department of Biology, Universidade Estadual Paulista “Júlio de Mesquita Filho”, São José do Rio Preto, SP, Brazil
- Department of Molecular Biology, Faculdade de Medicina de São José do Rio Preto, São José do Rio Preto, SP, Brazil
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12
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Effect of Melatonin in Epithelial Mesenchymal Transition Markers and Invasive Properties of Breast Cancer Stem Cells of Canine and Human Cell Lines. PLoS One 2016; 11:e0150407. [PMID: 26934679 PMCID: PMC4774906 DOI: 10.1371/journal.pone.0150407] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2015] [Accepted: 02/12/2016] [Indexed: 12/20/2022] Open
Abstract
Cancer stem cells (CSCs) have been associated with metastasis and therapeutic resistance and can be generated via epithelial mesenchymal transition (EMT). Some studies suggest that the hormone melatonin acts in CSCs and may participate in the inhibition of the EMT. The objectives of this study were to evaluate the formation of mammospheres from the canine and human breast cancer cell lines, CMT-U229 and MCF-7, and the effects of melatonin treatment on the modulation of stem cell and EMT molecular markers: OCT4, E-cadherin, N-cadherin and vimentin, as well as on cell viability and invasiveness of the cells from mammospheres. The CMT-U229 and MCF-7 cell lines were subjected to three-dimensional culture in special medium for stem cells. The phenotype of mammospheres was first evaluated by flow cytometry (CD44+/CD24low/- marking). Cell viability was measured by MTT colorimetric assay and the expression of the proteins OCT4, E-cadherin, N-cadherin and vimentin was evaluated by immunofluorescence and quantified by optical densitometry. The analysis of cell migration and invasion was performed in Boyden Chamber. Flow cytometry proved the stem cell phenotype with CD44+/CD24low/- positive marking for both cell lines. Cell viability of CMT-U229 and MCF-7 cells was reduced after treatment with 1mM melatonin for 24 h (P<0.05). Immunofluorescence staining showed increased E-cadherin expression (P<0.05) and decreased expression of OCT4, N-cadherin and vimentin (P<0.05) in both cell lines after treatment with 1 mM melatonin for 24 hours. Moreover, treatment with melatonin was able to reduce cell migration and invasion in both cell lines when compared to control group (P<0.05). Our results demonstrate that melatonin shows an inhibitory role in the viability and invasiveness of breast cancer mammospheres as well as in modulating the expression of proteins related to EMT in breast CSCs, suggesting its potential anti-metastatic role in canine and human breast cancer cell lines.
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13
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Chen X, Li X, Du Z, Shi W, Yao Y, Wang C, He K, Hao A. Melatonin promotes the acquisition of neural identity through extracellular-signal-regulated kinases 1/2 activation. J Pineal Res 2014; 57:168-76. [PMID: 24942200 DOI: 10.1111/jpi.12153] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2014] [Accepted: 06/13/2014] [Indexed: 12/17/2022]
Abstract
Melatonin, a major pineal secretory product, exerts a range of physiological and neuroprotective effects. However, the functional significance of melatonin in determining neural identity, and the mechanisms by which this may occur, is unknown. In this study, P19 cells were used as a model system and cell behavior was monitored. Our data show that melatonin plays an important role in determining cell fate during neural commitment and promoting the differentiation of pluripotent P19 cells (Oct4(+) Sox2(+) ) into neural stem cells (Oct4(-) Sox2(+) ). This promotion appears to coincide with the activation of the MT1 receptor and phosphorylation of extracellular-signal-regulated kinases 1/2 (ERK1/2). Furthermore, our results show that melatonin regulates neural fate specification of P19 cells through two distinct mechanisms: the promotion of nuclear localization of ERK1/2 and upregulation of Sox2 transcription, and suppression of Smad1-induced expression of mesodermal-specific genes, such as Bra.
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Affiliation(s)
- Xueran Chen
- Key Laboratory of the Ministry of Education for Experimental Teratology, Shandong Provincial Key Laboratory of Mental Disorders, Department of Histology and Embryology, Shandong University School of Medicine, Jinan, Shandong, China
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14
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Luchetti F, Canonico B, Bartolini D, Arcangeletti M, Ciffolilli S, Murdolo G, Piroddi M, Papa S, Reiter RJ, Galli F. Melatonin regulates mesenchymal stem cell differentiation: a review. J Pineal Res 2014; 56:382-97. [PMID: 24650016 DOI: 10.1111/jpi.12133] [Citation(s) in RCA: 127] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Accepted: 03/14/2014] [Indexed: 12/12/2022]
Abstract
Among the numerous functions of melatonin, the control of survival and differentiation of mesenchymal stem cells (MSCs) has been recently proposed. MSCs are a heterogeneous population of multipotent elements resident in tissues such as bone marrow, muscle, and adipose tissue, which are primarily involved in developmental and regeneration processes, gaining thus increasing interest for tissue repair and restoration therapeutic protocols. Receptor-dependent and receptor-independent responses to melatonin are suggested to occur in these cells. These involve antioxidant or redox-dependent functions of this indolamine as well as secondary effects resulting from autocrine and paracrine responses. Inflammatory cytokines and adipokines, proangiogenic/mitogenic stimuli, and other mediators that influence the differentiation processes may affect the survival and functional integrity of these mesenchymal precursor cells. In this scenario, melatonin seems to regulate signaling pathways that drive commitment and differentiation of MSC into osteogenic, chondrogenic, adipogenic, or myogenic lineages. Common pathways suggested to be involved as master regulators of these processes are the Wnt/β-catenin pathway, the MAPKs and the, TGF-β signaling. In this respect melatonin emerges a novel and potential modulator of MSC lineage commitment and adipogenic differentiation. These and other aspects of the physiological and pharmacological effects of melatonin as regulator of MSC are discussed in this review.
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Affiliation(s)
- Francesca Luchetti
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy
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15
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Melatonin modulates the expression of BCL-xl and improve the development of vitrified embryos obtained by IVF in mice. J Assist Reprod Genet 2014; 31:453-61. [PMID: 24419931 DOI: 10.1007/s10815-014-0172-9] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Accepted: 01/02/2014] [Indexed: 12/15/2022] Open
Abstract
PURPOSE Antioxidant and anti-apoptotic effects of melatonin on development of in vitro fertilization (IVF)/vitrified two-cell mouse embryos were evaluated in this study. METHODS The IVF two-cell embryos were vitrified by cryotop, and were cultured in KSOM medium in different concentrations of melatonin (10(-6), 10(-9), 10(-12) M) and without melatonin. The blastocyst cell number, apoptotic cells and glutathione (GSH) level were evaluated by differential, TUNEL and cell tracker blue staining, respectively. The expression of Bax and Bcl-xl genes was evaluated by qPCR. The expression of melatonin receptors (Mtnr1a and Mtnr1b) in mouse 2-cell embryos and blastocysts was evaluated by RT-PCR. RESULTS Melatonin increased the rate of cleavage and blastulation at 10(-12) M concentration (p < 0.05). The number of trophectoderm and inner cell mass showed a significant increase (p < 0.05) in 10(-9) M melatonin. The 10(-9) M and 10(-12) M melatonin treatments significantly reduced (p < 0.05) the apoptotic index. The significant increase in the expression of Bcl-xl observed at 10(-9) M concentration however, reduced expression of Bax was not statistically significant. The levels of GSH in 10(-9) and 10(-12) M groups were significantly improved relative to the control group (p < 0.05). The Mtnr1a was expressed in 2-cell embryos and blastocysts in all groups, but the expression of Mntr1b was not detected. CONCLUSION Melatonin may have a special role against oxidative stress in protection of IVF/vitrified embryos.
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Hardeland R. Melatonin and the theories of aging: a critical appraisal of melatonin's role in antiaging mechanisms. J Pineal Res 2013; 55:325-56. [PMID: 24112071 DOI: 10.1111/jpi.12090] [Citation(s) in RCA: 189] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2013] [Accepted: 08/23/2013] [Indexed: 02/06/2023]
Abstract
The classic theories of aging such as the free radical theory, including its mitochondria-related versions, have largely focused on a few specific processes of senescence. Meanwhile, numerous interconnections have become apparent between age-dependent changes previously thought to proceed more or less independently. Increased damage by free radicals is not only linked to impairments of mitochondrial function, but also to inflammaging as it occurs during immune remodeling and by release of proinflammatory cytokines from mitotically arrested, DNA-damaged cells that exhibit the senescence-associated secretory phenotype (SASP). Among other effects, SASP can cause mutations in stem cells that reduce the capacity for tissue regeneration or, in worst case, lead to cancer stem cells. Oxidative stress has also been shown to promote telomere attrition. Moreover, damage by free radicals is connected to impaired circadian rhythmicity. Another nexus exists between cellular oscillators and metabolic sensing, in particular to the aging-suppressor SIRT1, which acts as an accessory clock protein. Melatonin, being a highly pleiotropic regulator molecule, interacts directly or indirectly with all the processes mentioned. These influences are critically reviewed, with emphasis on data from aged organisms and senescence-accelerated animals. The sometimes-controversial findings obtained either in a nongerontological context or in comparisons of tumor with nontumor cells are discussed in light of evidence obtained in senescent organisms. Although, in mammals, lifetime extension by melatonin has been rarely documented in a fully conclusive way, a support of healthy aging has been observed in rodents and is highly likely in humans.
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Affiliation(s)
- Rüdiger Hardeland
- Johann Friedrich Blumenbach Institute of Zoology and Anthropology, University of Göttingen, Göttingen, Germany
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Lima WR, Holder AA, Garcia CRS. Melatonin signaling and its modulation of PfNF-YB transcription factor expression in Plasmodium falciparum. Int J Mol Sci 2013; 14:13704-18. [PMID: 23839089 PMCID: PMC3742212 DOI: 10.3390/ijms140713704] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2013] [Revised: 06/23/2013] [Accepted: 06/25/2013] [Indexed: 12/15/2022] Open
Abstract
Malaria is one of the most severe tropical infectious diseases. More than 220 million people around the world have a clinical malaria infection and about one million die because of Plasmodium annually. This parasitic pathogen replicates efficiently in its human host making it difficult to eradicate. It is transmitted by mosquito vectors and so far mosquito control programs have not effectively eliminated this transmission. Because of malaria's enormous health and economic impact and the need to develop new control and eventual elimination strategies, a big research effort has been made to better understand the biology of this parasite and its interactions with its vertebrate host. Determination of the genome sequence and organization, the elucidation of the role of key proteins, and cell signaling studies have helped to develop an understanding of the molecular mechanisms that provide the parasite's versatility. The parasite can sense its environment and adapt to benefit its survival, indeed this is essential for it to complete its life cycle. For many years we have studied how the Plasmodium parasite is able to sense melatonin. In this review we discuss the melatonin signaling pathway and its role in the control of Plasmodium replication and development.
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Affiliation(s)
- Wânia Rezende Lima
- Departamento de Fisiologia, Instituto de Biociências, Universidade de São Paulo, São Paulo 05508900, Brazil; E-Mail:
| | - Anthony A. Holder
- Division of Parasitology, MRC National Institute for Medical Research, The Ridgeway, Mill Hill, London NW7 1AA, UK; E-Mail:
| | - Célia R. S. Garcia
- Departamento de Fisiologia, Instituto de Biociências, Universidade de São Paulo, São Paulo 05508900, Brazil; E-Mail:
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Qu J, Rizak JD, Li X, Li J, Ma Y. Melatonin treatment increases the transcription of cell proliferation-related genes prior to inducing cell death in C6 glioma cells in vitro.. Oncol Lett 2013; 6:347-352. [PMID: 24137328 PMCID: PMC3789011 DOI: 10.3892/ol.2013.1413] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Accepted: 05/14/2013] [Indexed: 12/15/2022] Open
Abstract
A number of studies have suggested that melatonin possesses anticancer properties. However, conflicting data exists with regard to the role of melatonin in the treatment of cancer. In the present study, the effects of melatonin on the transcriptional regulation of three genes associated with cell proliferation (Nestin, Bmi-1 and Sox2), and on C6 glioma cell survival and viability, were investigated in vitro to evaluate the use of melatonin in cancer therapy. Melatonin was shown to increase the mRNA levels of Nestin, Bmi-1 and Sox2 in a similar pattern, with the highest mRNA levels noted at a concentration of 3 mM. At higher concentrations of melatonin (5 mM), the mRNA levels of Nestin, Bmi-1 and Sox2 were reduced from their peak levels, and were correlated with changes observed in immunofluorescence morphology studies, cell viability and survival assays. Immunofluorescence studies of Nestin-stained cells demonstrated that treatment with a higher concentration of melatonin (3 and 5 mM) led to the Nestin filaments condensing and rearranging around the cell nuclei, and an alteration in the cell morphology. C6 cell viability was also significantly decreased at 3 mM melatonin, and cell death was observed at 5 and 10 mM melatonin. These results suggested that Nestin, Bmi-1 and Sox2 were strongly correlated with the survival of C6 cells following treatment with melatonin, and that high therapeutic concentrations of melatonin (>5 mM) were required to induce cell death. These findings suggested that the implementation of melatonin in the treatment of glioma and other types of cancer may be inhibited by conflicting cell growth signals in cells. Therefore, adjunct therapy is required to improve the efficacy of melatonin in the treatment of cancer.
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Affiliation(s)
- Jiagui Qu
- School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230026; ; State Key Laboratories of Brain and Cognitive Science, Kunming, Yunnan 650223
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Lima WR, Moraes M, Alves E, Azevedo MF, Passos DO, Garcia CRS. The PfNF-YB transcription factor is a downstream target of melatonin and cAMP signalling in the human malaria parasite Plasmodium falciparum. J Pineal Res 2013; 54:145-53. [PMID: 22804732 DOI: 10.1111/j.1600-079x.2012.01021.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Plasmodium falciparum causes the most severe form of malaria and is responsible for the majority of deaths worldwide. The mechanism of cell cycle control within intra-erythrocytic stages has been examined as a potential means of a promising way to identifying how to stop parasite development in red blood cells. Our group determined that melatonin increases parasitemia in P. falciparum and P. chabaudi through a complex signalling cascade. In vertebrates, melatonin controls the expression of transcription factors, leading us to postulate rather that the indoleamine would affect PfNF-YB expression in human malaria parasites. We show here that PfNF-YB transcription factor is highly expressed and colocalized in the nucleus in mature parasites during intra-erythrocytic stages, thus suggesting an important role in cell division. Moreover, we demonstrate for the first time that melatonin and cAMP modulate the PfNF-YB transcription factor expression in P. falciparum at erythrocytic stages. In addition, PfNF-YB is found to be more ubiquitinated in the presence of melatonin. Finally, the proteasome inhibitor bortezomib is able to modulate PfNF-YB expression as well. Taken together, our dada reinforce the role played by melatonin in the cell cycle control of P. falciparum and point this indolamine as a target to develop new antimalarial drugs.
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Affiliation(s)
- Wânia R Lima
- Departamento de Fisiologia, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
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Zhou H, Chen J, Lu X, Shen C, Zeng J, Chen L, Pei Z. Melatonin protects against rotenone-induced cell injury via inhibition of Omi and Bax-mediated autophagy in Hela cells. J Pineal Res 2012; 52:120-7. [PMID: 21883444 DOI: 10.1111/j.1600-079x.2011.00926.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Parkinson's disease is the second most common neurodegenerative disease, and environmental toxins such as rotenone play an important role in causing degeneration of dopaminergic neurons. Melatonin, a major secretory product of pineal, is recently reported to protect against rotenone-induced cell death in animal models. Yet, the mechanism involved in this protection needs to be elucidated. Here, we report that rotenone treatment (0-100 μM) decreased cell survival of Hela cells in a dose-dependent manner. At concentrations ranging from 0.1 to 100 μM, rotenone induced a dose-dependent increase in the expression of microtubule-associated protein 1 light chain 3 (LC3)-II, a protein associated with the autophagosomal membrane. Knockdown of Bax or Omi using shRNA inhibited 1 μM rotenone-induced autophagy. To determine whether melatonin would protect cells against rotenone-induced cell death and autophagy, we pretreated Hela cells with 250 μM melatonin for 24 hr in the presence of rotenone. Melatonin inhibited Bax expression and the release of the omi/HtrA2 into the cytoplasm induced by 1 μM rotenone. Melatonin 250 μM treatment also suppressed cell death induced by 0.1-100 μM rotenone and protected against the formation of LC3-II in cells exposed to 1 μM rotenone. This work demonstrates a novel role for melatonin as a neuroprotective agent against rotenone.
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Affiliation(s)
- Hongyan Zhou
- Department of Neurology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
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