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Xie L, Wu H, Shi W, Zhang J, Huang X, Yu T. Melatonin Exerts an Anti-Panoptoic Role in Spinal Cord Ischemia-Reperfusion Injured Rats. Adv Biol (Weinh) 2024; 8:e2300424. [PMID: 37786299 DOI: 10.1002/adbi.202300424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/08/2023] [Indexed: 10/04/2023]
Abstract
Paraplegia is a serious consequence of spinal cord ischemia-reperfusion (SCIR) injury, which leads to neuron death and permanent loss of motor function. However, there is no effective treatment for SCIR. Melatonin exerts a neuroprotective effect in neurodegenerative diseases. However, whether pyroptosis, apoptosis, and necroptosis (PANoptosis) is the primary cause of the massive neural death in SCIR is unknown, and if melatonin exhibits anti-PANoptotic effect in rescuing the disastrous damage is to be decided. This study indicates that melatonin confers neuroprotection in SCIR, attenuating the loss of Nissl body and improving Basso, Beattie & Bresnahan locomotor rating scale scores. Specifically, the apoptotic hallmarks in neurons are increased in SCIR injured spinal cord compared to the sham group. The upregulated trend is reversed by melatonin while the effect of melatonin is abolished by the administration of luzindole, a selective melatonin receptor antagonist. Moreover, similar patterns are found in the necroptotic markers in neurons, the pyroptotic indicators, and the interleukin-1β staining in microglia. In conclusion, PANoptosis may underlie the mass neural death and paraplegia in SCIR, and melatonin confers neuroprotection to the spinal cord via inhibiting PANoptosis.
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Affiliation(s)
- Lei Xie
- Department of Orthopedic Surgery, Qingdao Municipal Hospital, Qingdao University, Qingdao, 266071, China
- Institute of Sports Medicine and Health, Qingdao University, Qingdao, 266071, China
| | - Hang Wu
- Institute of Sports Medicine and Health, Qingdao University, Qingdao, 266071, China
- Department of Orthopedics, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266071, China
| | - Weipeng Shi
- Institute of Sports Medicine and Health, Qingdao University, Qingdao, 266071, China
- Department of Orthopedics, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266071, China
| | - Jing Zhang
- Institute of Sports Medicine and Health, Qingdao University, Qingdao, 266071, China
- Department of Orthopedics, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266071, China
| | - Xiaohong Huang
- Institute of Sports Medicine and Health, Qingdao University, Qingdao, 266071, China
- Shandong Institute of Traumatic Orthopedics, Medical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, 266000, China
| | - Tengbo Yu
- Institute of Sports Medicine and Health, Qingdao University, Qingdao, 266071, China
- Department of Orthopedic Surgery, Qingdao Hospital, University of Health and Rehabilitation Sciences (Qingdao Municipal Hospital), Qingdao, 266071, China
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Xue C, Wang Y, He Z, Lu Z, Wu F, Wang Y, Zhen Y, Meng J, Shahzad K, Yang K, Wang M. Melatonin disturbed rumen microflora structure and metabolic pathways in vitro. Microbiol Spectr 2023; 11:e0032723. [PMID: 37929993 PMCID: PMC10714781 DOI: 10.1128/spectrum.00327-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 10/01/2023] [Indexed: 11/07/2023] Open
Abstract
IMPORTANCE In in vitro studies, it has been found that the effects of MLT on rumen microorganisms and metabolites can change the rumen flora structure, significantly inhibit the relative abundance of harmful Acinetobacter, and improve the relative abundance of beneficial bacteria. MLT may regulate the "arginine-glutathione" pathway, "phenylalanine, tyrosine and tryptophan biosynthesis-tryptophan generation" branch, "tryptophan-kynurenine" metabolism, and "tryptophan-tryptamine-serotonin" pathway through microorganisms.
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Affiliation(s)
- Chun Xue
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
- State Key Laboratory of Sheep Genetic Improvement and Healthy Production, Xinjiang Academy of Agricultural Reclamation Sciences, Shihezi, China
| | - Yifan Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Zhaoyuan He
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Zhiqi Lu
- Ningxia Dairy Science and Innovation Center of Guangming Animal Husbandry Co., Ltd., Zhongwei, China
| | - Feifan Wu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Yusu Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Yongkang Zhen
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Jimeng Meng
- State Key Laboratory of Sheep Genetic Improvement and Healthy Production, Xinjiang Academy of Agricultural Reclamation Sciences, Shihezi, China
| | - Khuram Shahzad
- Department of Biosciences, COMSATS University Islamabad, Islamabad, Pakistan
| | - Kailun Yang
- College of Animal Science, Xinjiang Agricultural University, Urumqi, China
| | - Mengzhi Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
- State Key Laboratory of Sheep Genetic Improvement and Healthy Production, Xinjiang Academy of Agricultural Reclamation Sciences, Shihezi, China
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Granado MDJ, Pinato L, Santiago J, Barbalho SM, Parmezzan JEL, Suzuki LM, Cabrini ML, Spressão DRMS, Carneiro de Camargo AL, Guissoni Campos LM. Melatonin receptors and Per1 expression in the inferior olivary nucleus of the Sapajus apella monkey. Front Neurosci 2022; 16:1072772. [PMID: 36605547 PMCID: PMC9809291 DOI: 10.3389/fnins.2022.1072772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 12/01/2022] [Indexed: 12/24/2022] Open
Abstract
Melatonin is a transducer of photic environmental information and participates in the synchronization of various physiological and behavioral phenomena. Melatonin can act directly in several areas of the central nervous system through its membrane receptors coupled to G protein, called MT1 and MT2 receptors. In some structures, such as the retina, hypothalamus and pars tuberalis, the expression of both melatonin receptors shows circadian variations. Melatonin can act in the synchronization of the clock proteins rhythm in these areas. Using the immunohistochemistry technique, we detected the immunoexpression of the melatonin receptors and clock genes clock protein Per1 in the inferior olivary nucleus (ION) of the Sapajus apella monkey at specific times of the light-dark phase. The mapping performed by immunohistochemistry showed expressive immunoreactivity (IR) Per1 with predominance during daytime. Both melatonin receptors were expressed in the ION without a day/night difference. The presence of both melatonin receptors and the Per1 protein in the inferior olivary nucleus can indicate a functional role not only in physiological, as in sleep, anxiety, and circadian rhythm, but also a chronobiotic role in motor control mechanisms.
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Affiliation(s)
- Marcos Donizete Junior Granado
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, Medical School, University of Marilia (UNIMAR), Marília, Brazil
| | - Luciana Pinato
- Department of Speech, Language and Hearing Sciences, São Paulo State University (UNESP), Marília, Brazil
| | - Jeferson Santiago
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, Medical School, University of Marilia (UNIMAR), Marília, Brazil
| | - Sandra Maria Barbalho
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, Medical School, University of Marilia (UNIMAR), Marília, Brazil
| | - Jessica Ellen Lima Parmezzan
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, Medical School, University of Marilia (UNIMAR), Marília, Brazil
| | - Lenita Mayumi Suzuki
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, Medical School, University of Marilia (UNIMAR), Marília, Brazil
| | - Mayara Longui Cabrini
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, Medical School, University of Marilia (UNIMAR), Marília, Brazil
| | | | - Ana Letícia Carneiro de Camargo
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, Medical School, University of Marilia (UNIMAR), Marília, Brazil
| | - Leila Maria Guissoni Campos
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, Medical School, University of Marilia (UNIMAR), Marília, Brazil,*Correspondence: Leila Maria Guissoni Campos,
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Sun Y, Ma L, Jin M, Zheng Y, Wang D, Ni H. Effects of Melatonin on Neurobehavior and Cognition in a Cerebral Palsy Model of plppr5-/- Mice. Front Endocrinol (Lausanne) 2021; 12:598788. [PMID: 33692754 PMCID: PMC7937640 DOI: 10.3389/fendo.2021.598788] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 01/07/2021] [Indexed: 12/14/2022] Open
Abstract
Cerebral palsy (CP), a group of clinical syndromes caused by non-progressive brain damage in the developing fetus or infant, is one of the most common causes of lifelong physical disability in children in most countries. At present, many researchers believe that perinatal cerebral hypoxic ischemic injury or inflammatory injury are the main causes of cerebral palsy. Previous studies including our works confirmed that melatonin has a protective effect against convulsive brain damage during development and that it affects the expression of various molecules involved in processes such as metabolism, plasticity and signaling in the brain. Integral membrane protein plppr5 is a new member of the plasticity-related protein family, which is specifically expressed in brain and spinal cord, and induces filopodia formation as well as neurite growth. It is highly expressed in the brain, especially in areas of high plasticity, such as the hippocampus. The signals are slightly lower in the cortex, the cerebellum, and in striatum. Noteworthy, during development plppr5 mRNA is expressed in the spinal cord, i.e., in neuron rich regions such as in medial motor nuclei, suggesting that plppr5 plays an important role in the regulation of neurons. However, the existing literature only states that plppr5 is involved in the occurrence and stability of dendritic spines, and research on its possible involvement in neonatal ischemic hypoxic encephalopathy has not been previously reported. We used plppr5 knockout (plppr5-/-) mice and their wild-type littermates to establish a model of hypoxicischemic brain injury (HI) to further explore the effects of melatonin on brain injury and the role of plppr5 in this treatment in an HI model, which mainly focuses on cognition, exercise, learning, and memory. All the tests were performed at 3-4 weeks after HI. As for melatonin treatment, which was performed 5 min after HI injury and followed by every 24h. In these experiments, we found that there was a significant interaction between genotype and treatment in novel object recognition tests, surface righting reflex tests and forelimb suspension reflex tests, which represent learning and memory, motor function and coordination, and the forelimb grip of the mice, respectively. However, a significant main effect of genotype and treatment on performance in all behavioral tests were observed. Specifically, wild-type mice with HI injury performed better than plppr5-/- mice, regardless of treatment with melatonin or vehicle. Moreover, treatment with melatonin could improve behavior in the tests for wild-type mice with HI injury, but not for plppr5-/- mice. This study showed that plppr5 knockout aggravated HI damage and partially weakened the neuroprotection of melatonin in some aspects (such as novel object recognition test and partial nerve reflexes), which deserves further study.
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Ma N, Zhang J, Reiter RJ, Ma X. Melatonin mediates mucosal immune cells, microbial metabolism, and rhythm crosstalk: A therapeutic target to reduce intestinal inflammation. Med Res Rev 2020; 40:606-632. [PMID: 31420885 DOI: 10.1002/med.21628] [Citation(s) in RCA: 91] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Revised: 07/22/2019] [Accepted: 07/26/2019] [Indexed: 12/12/2022]
Abstract
Nowadays, melatonin, previously considered only as a pharmaceutical product for rhythm regulation and sleep aiding, has shown its potential as a co-adjuvant treatment in intestinal diseases, however, its mechanism is still not very clear. A firm connection between melatonin at a physiologically relevant concentration and the gut microbiota and inflammation has recently established. Herein, we summarize their crosstalk and focus on four novelties. First, how melatonin is synthesized and degraded in the gut and exerts potentially diverse phenotypic effects through its diverse metabolites. Second, how melatonin mediates the activation and proliferation of intestinal mucosal immune cells with paracrine and autocrine properties. By modulating T/B cells, mast cells, macrophages and dendritic cells, melatonin immunomodulatory involved in regulating T-cell differentiation, intervening T/B cell interaction and attenuating the production of pro-inflammatory factors, achieving its antioxidant action via specific receptors. Third, how melatonin exerts antimicrobial action and modulates microbial components, such as lipopolysaccharide, amyloid-β peptides via nuclear factor κ-light-chain-enhancer of activated B cells (NF-κB) or signal transducers and activators of transcription (STAT1) pathway to modulate intestinal immune function in immune-pineal axis. The last, how melatonin mediates the effect of intestinal bacterial activity signals on the body rhythm system through the NF-κB pathway and influences the mucosal epithelium oscillation via clock gene expression. These processes are achieved at mitochondrial and nuclear levels to control the host immune cell development. Considering unclear mechanisms and undiscovered actions of melatonin in gut-microbiome-immune axis, it's time to reveal them and provide new insight for the outlook of melatonin as a potential therapeutic target in the treatment and management of intestinal diseases.
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Affiliation(s)
- Ning Ma
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Jie Zhang
- Animal Husbandry and Veterinary Department, Beijing Vocational College of Agriculture, Beijing, China
| | - Russel J Reiter
- Department of Cellular and Structural Biology, University of Texas Health Science Center, San Antonio, Texas
| | - Xi Ma
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Department of Internal Medicine and Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas
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Melatonin MT1 receptor as a novel target in neuropsychopharmacology: MT1 ligands, pathophysiological and therapeutic implications, and perspectives. Pharmacol Res 2019; 144:343-356. [DOI: 10.1016/j.phrs.2019.04.015] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 03/06/2019] [Accepted: 04/11/2019] [Indexed: 12/15/2022]
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Paul JR, Davis JA, Goode LK, Becker BK, Fusilier A, Meador-Woodruff A, Gamble KL. Circadian regulation of membrane physiology in neural oscillators throughout the brain. Eur J Neurosci 2019; 51:109-138. [PMID: 30633846 DOI: 10.1111/ejn.14343] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 12/19/2018] [Accepted: 12/21/2018] [Indexed: 12/21/2022]
Abstract
Twenty-four-hour rhythmicity in physiology and behavior are driven by changes in neurophysiological activity that vary across the light-dark and rest-activity cycle. Although this neural code is most prominent in neurons of the primary circadian pacemaker in the suprachiasmatic nucleus (SCN) of the hypothalamus, there are many other regions in the brain where region-specific function and behavioral rhythmicity may be encoded by changes in electrical properties of those neurons. In this review, we explore the existing evidence for molecular clocks and/or neurophysiological rhythms (i.e., 24 hr) in brain regions outside the SCN. In addition, we highlight the brain regions that are ripe for future investigation into the critical role of circadian rhythmicity for local oscillators. For example, the cerebellum expresses rhythmicity in over 2,000 gene transcripts, and yet we know very little about how circadian regulation drives 24-hr changes in the neural coding responsible for motor coordination. Finally, we conclude with a discussion of how our understanding of circadian regulation of electrical properties may yield insight into disease mechanisms which may lead to novel chronotherapeutic strategies in the future.
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Affiliation(s)
- Jodi R Paul
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Jennifer A Davis
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Lacy K Goode
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Bryan K Becker
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Allison Fusilier
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Aidan Meador-Woodruff
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Karen L Gamble
- Department of Psychiatry and Behavioral Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama
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