1
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Ruan Y, Yuan R, He J, Jiang Y, Chu S, Chen N. New perspective on sustained antidepressant effect: focus on neurexins regulating synaptic plasticity. Cell Death Discov 2024; 10:205. [PMID: 38693106 PMCID: PMC11063156 DOI: 10.1038/s41420-024-01974-9] [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: 02/17/2024] [Revised: 04/17/2024] [Accepted: 04/17/2024] [Indexed: 05/03/2024] Open
Abstract
Depression is highly prevalent globally, however, currently available medications face challenges such as low response rates and short duration of efficacy. Additionally, depression mostly accompany other psychiatric disorders, further progressing to major depressive disorder without long-term effective management. Thus, sustained antidepressant strategies are urgently needed. Recently, ketamine and psilocybin gained attention as potential sustained antidepressants. Review of recent studies highlights that synaptic plasticity changes as key events of downstream long-lasting changes in sustained antidepressant effect. This underscores the significance of synaptic plasticity in sustained antidepressant effect. Moreover, neurexins, key molecules involved in the regulation of synaptic plasticity, act as critical links between synaptic plasticity and sustained antidepressant effects, involving mechanisms including protein level, selective splicing, epigenetics, astrocytes, positional redistribution and protein structure. Based on the regulation of synaptic plasticity by neurexins, several drugs with potential for sustained antidepressant effect are also discussed. Focusing on neurexins in regulating synaptic plasticity promises much for further understanding underlying mechanisms of sustained antidepressant and the next step in new drug development. This research represents a highly promising future research direction.
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Affiliation(s)
- Yuan Ruan
- Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
| | - Ruolan Yuan
- Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
| | - Jiaqi He
- Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
| | - Yutong Jiang
- Tianjin University of Traditional Chinese Medicine, Tianjin, PR China
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
| | - Shifeng Chu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China.
| | - Naihong Chen
- Tianjin University of Traditional Chinese Medicine, Tianjin, PR China.
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China.
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2
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Gupta S, Khan J, Ghosh S. Molecular mechanism of cognitive impairment associated with Parkinson's disease: A stroke perspective. Life Sci 2024; 337:122358. [PMID: 38128756 DOI: 10.1016/j.lfs.2023.122358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 12/03/2023] [Accepted: 12/13/2023] [Indexed: 12/23/2023]
Abstract
Parkinson's disease (PD) is a common neurological illness that causes several motor and non-motor symptoms, most characteristically limb tremors and bradykinesia. PD is a slowly worsening disease that arises due to progressive neurodegeneration of specific areas of the brain, especially the substantia nigra of the midbrain. Even though PD has continuously been linked to a higher mortality risk in numerous epidemiologic studies, there have been significant discoveries regarding the connection between PD and stroke. The incidence of strokes such as cerebral infarction and hemorrhage is substantially associated with the development of PD. Moreover, cognitive impairments, primarily dementia, have been associated with stroke and PD. However, the underlying molecular mechanism of this phenomenon is still obscure. This concise review focuses on the relationship between stroke and PD, emphasizing the molecular mechanism of cognition deficit and memory loss evident in PD and stroke. Furthermore, we are also highlighting some potential drug molecules that can target both PD and stroke.
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Affiliation(s)
- Sanju Gupta
- Department of Bioscience & Bioengineering, Indian Institute of Technology Jodhpur (IIT-Jodhpur), Rajasthan 342037, India
| | - Juhee Khan
- Department of Bioscience & Bioengineering, Indian Institute of Technology Jodhpur (IIT-Jodhpur), Rajasthan 342037, India
| | - Surajit Ghosh
- Department of Bioscience & Bioengineering, Indian Institute of Technology Jodhpur (IIT-Jodhpur), Rajasthan 342037, India.
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3
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Bian X, Wang Q, Wang Y, Lou S. The function of previously unappreciated exerkines secreted by muscle in regulation of neurodegenerative diseases. Front Mol Neurosci 2024; 16:1305208. [PMID: 38249295 PMCID: PMC10796786 DOI: 10.3389/fnmol.2023.1305208] [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: 10/05/2023] [Accepted: 12/05/2023] [Indexed: 01/23/2024] Open
Abstract
The initiation and progression of neurodegenerative diseases (NDs), distinguished by compromised nervous system integrity, profoundly disrupt the quality of life of patients, concurrently exerting a considerable strain on both the economy and the social healthcare infrastructure. Exercise has demonstrated its potential as both an effective preventive intervention and a rehabilitation approach among the emerging therapeutics targeting NDs. As the largest secretory organ, skeletal muscle possesses the capacity to secrete myokines, and these myokines can partially improve the prognosis of NDs by mediating the muscle-brain axis. Besides the well-studied exerkines, which are secreted by skeletal muscle during exercise that pivotally exert their beneficial function, the physiological function of novel exerkines, e.g., apelin, kynurenic acid (KYNA), and lactate have been underappreciated previously. Herein, this review discusses the roles of these novel exerkines and their mechanisms in regulating the progression and improvement of NDs, especially the significance of their functions in improving NDs' prognoses through exercise. Furthermore, several myokines with potential implications in ameliorating ND progression are proposed as the future direction for investigation. Elucidation of the function of exerkines secreted by skeletal muscle in the regulation of NDs advances the understanding of its pathogenesis and facilitates the development of therapeutics that intervene in these processes to cure NDs.
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Affiliation(s)
- Xuepeng Bian
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Qian Wang
- Institute for Health and Sport, Victoria University, Melbourne, VIC, Australia
| | - Yibing Wang
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Shujie Lou
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
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4
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Zhang Y, Jiang W, Sun W, Guo W, Xia B, Shen X, Fu M, Wan T, Yuan M. Neuroprotective Roles of Apelin-13 in Neurological Diseases. Neurochem Res 2023; 48:1648-1662. [PMID: 36745269 DOI: 10.1007/s11064-023-03869-0] [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: 08/22/2022] [Revised: 12/24/2022] [Accepted: 01/21/2023] [Indexed: 02/07/2023]
Abstract
Apelin is a natural ligand for the G protein-coupled receptor APJ, and the apelin/APJ system is widely distributed in vivo. Among the apelin family, apelin-13 is the major apelin isoform in the central nervous system and cardiovascular system, and is involved in the regulation of various physiopathological mechanisms such as apoptosis, neuroinflammation, angiogenesis, and oxidative stress. Apelin is currently being extensively studied in the nervous system, and apelin-13 has been shown to be associated with the onset and progression of a variety of neurological disorders, including stroke, neurodegenerative diseases, epilepsy, spinal cord injury (SCI), and psychiatric diseases. This study summarizes the pathophysiological roles of apelin-13 in the development and progression of neurological related diseases.
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Affiliation(s)
- Yang Zhang
- Department of Neurology, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Weiwei Jiang
- Hengyang Medical College, University of South China, Hengyang, 421001, Hunan, China
| | - Wenjie Sun
- Department of Neurology, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Weiming Guo
- Department of Sports Medicine, Huazhong University of Science and Technology Union Shenzhen Hospital, The 6th Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, 518060, China
| | - Beibei Xia
- Hengyang Medical College, University of South China, Hengyang, 421001, Hunan, China
| | - Xiangru Shen
- Hengyang Medical College, University of South China, Hengyang, 421001, Hunan, China
| | - Mingyuan Fu
- Hengyang Medical College, University of South China, Hengyang, 421001, Hunan, China
| | - Teng Wan
- Department of Neurology, Huazhong University of Science and Technology Union Shenzhen Hospital, The 6th Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, 518060, China. .,Hengyang Medical College, University of South China, Hengyang, 421001, Hunan, China.
| | - Mei Yuan
- Department of Neurology, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China.
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5
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Li A, Zhao Q, Chen L, Li Z. Apelin/APJ system: an emerging therapeutic target for neurological diseases. Mol Biol Rep 2023; 50:1639-1653. [PMID: 36378421 PMCID: PMC9665010 DOI: 10.1007/s11033-022-08075-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 11/01/2022] [Indexed: 11/16/2022]
Abstract
Apelin, an endogenous ligand for the G protein-coupled receptor APJ, is extensively expressed in various systems, especially the nervous system. This article reviews the role of apelin/APJ system in neurological diseases. In detail, apelin/APJ system can relieve acute brain injury including subarachnoid hemorrhage, traumatic brain injury, and ischemic stroke. Also, apelin/APJ system has therapeutic effects on chronic neurodegenerative disease models, involving the regulation of neurotrophic factors, neuroendocrine, oxidative stress, neuroinflammation, neuronal apoptosis, and autophagy. In addition, through different routes of administration, apelin/APJ system has a biphasic effect on depression, epilepsy, and pain. However, apelin/APJ system exacerbates the proliferation and invasion of glioblastoma. Thus, apelin/APJ system is expected to be a therapeutic target for the treatment of nervous system diseases.
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Affiliation(s)
- Ao Li
- Institute of Pharmacy and Pharmacology, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Qun Zhao
- Health Management Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Linxi Chen
- Institute of Pharmacy and Pharmacology, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.
| | - Zhiyue Li
- Department of Orthopedics, Third Xiangya Hospital of Central South University, Changsha, Hunan, China.
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6
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Ivanov MN, Stoyanov DS, Pavlov SP, Tonchev AB. Distribution, Function, and Expression of the Apelinergic System in the Healthy and Diseased Mammalian Brain. Genes (Basel) 2022; 13:2172. [PMID: 36421846 PMCID: PMC9690544 DOI: 10.3390/genes13112172] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/14/2022] [Accepted: 11/14/2022] [Indexed: 07/27/2023] Open
Abstract
Apelin, a peptide initially isolated from bovine stomach extract, is an endogenous ligand for the Apelin Receptor (APLNR). Subsequently, a second peptide, ELABELA, that can bind to the receptor has been identified. The Apelin receptor and its endogenous ligands are widely distributed in mammalian organs. A growing body of evidence suggests that this system participates in various signaling cascades that can regulate cell proliferation, blood pressure, fluid homeostasis, feeding behavior, and pituitary hormone release. Additional research has been done to elucidate the system's potential role in neurogenesis, the pathophysiology of Glioblastoma multiforme, and the protective effects of apelin peptides on some neurological and psychiatric disorders-ischemic stroke, epilepsy, Parkinson's, and Alzheimer's disease. This review discusses the current knowledge on the apelinergic system's involvement in brain physiology in health and disease.
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Affiliation(s)
- Martin N. Ivanov
- Department of Anatomy and Cell Biology, Medical University-Varna, 9000 Varna, Bulgaria
- Department of Stem Cell Biology, Research Institute, Medical University-Varna, 9000 Varna, Bulgaria
| | - Dimo S. Stoyanov
- Department of Anatomy and Cell Biology, Medical University-Varna, 9000 Varna, Bulgaria
| | - Stoyan P. Pavlov
- Department of Anatomy and Cell Biology, Medical University-Varna, 9000 Varna, Bulgaria
| | - Anton. B. Tonchev
- Department of Anatomy and Cell Biology, Medical University-Varna, 9000 Varna, Bulgaria
- Department of Stem Cell Biology, Research Institute, Medical University-Varna, 9000 Varna, Bulgaria
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7
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Mech D, Korgol K, Kurowska A, Adamski B, Miazga M, Biala G, Kruk-Slomka M. Promising Advances in Pharmacotherapy for Patients with Spinal Cord Injury-A Review of Studies Performed In Vivo with Modern Drugs. J Clin Med 2022; 11:jcm11226685. [PMID: 36431161 PMCID: PMC9698573 DOI: 10.3390/jcm11226685] [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: 10/01/2022] [Revised: 11/02/2022] [Accepted: 11/07/2022] [Indexed: 11/16/2022] Open
Abstract
Spinal cord injury (SCI) is a pathological neurological condition that leads to significant motor dysfunction. It is a condition that occurs as a result of tragic accidents, violent acts, or as a consequence of chronic diseases or degenerative changes. The current treatments for patients with SCI have moderate efficacy. They improve the quality of life of patients, but they are still doomed to long-term disability. In response to the modern directions of research on possible therapeutic methods that allow for the recovery of patients with SCI, a scientific review publication is needed to summarize the recent developments in this topic. The following review is focused on the available pharmacological treatments for SCIs and the problems that patients face depending on the location of the injury. In the following review, the research team describes problems related to spasticity and neuropathic pain; possible therapeutic pathways are also described for neuroprotection and the improvement of neurotransmission within the injured spinal cord, and the review focuses on issues related to oxidative stress.
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Affiliation(s)
- Dominika Mech
- Student Clubs and Organizations, Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodzki 4a Street, 20-093 Lublin, Poland
| | - Katarzyna Korgol
- Student Clubs and Organizations, Department of Pharmacognosy and Pharmaceutical Botany, Medical University of Lublin, Chodzki 1 Street, 20-400 Lublin, Poland
| | - Antonina Kurowska
- Student Clubs and Organizations, Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodzki 4a Street, 20-093 Lublin, Poland
| | - Bartlomiej Adamski
- Student Clubs and Organizations, Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodzki 4a Street, 20-093 Lublin, Poland
| | - Malgorzata Miazga
- Student Clubs and Organizations, Department of Pharmacognosy and Pharmaceutical Botany, Medical University of Lublin, Chodzki 1 Street, 20-400 Lublin, Poland
| | - Grazyna Biala
- Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodzki 4a Street, 20-093 Lublin, Poland
| | - Marta Kruk-Slomka
- Department of Pharmacology and Pharmacodynamics, Medical University of Lublin, Chodzki 4a Street, 20-093 Lublin, Poland
- Correspondence: ; Tel.: +48-8-1448-7258; Fax: +48-8-1448-7252
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8
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Gazmeh S, Azhir M, Elyasi L, Jahanshahi M, Nikmahzar E, Jameie SB. Apelin-13 protects against memory impairment and neuronal loss, Induced by Scopolamine in male rats. Metab Brain Dis 2022; 37:701-709. [PMID: 34982353 DOI: 10.1007/s11011-021-00882-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 12/03/2021] [Indexed: 11/30/2022]
Abstract
The present study aimed to evaluate the effects of Apelin-13 on scopolamine-induced memory impairment in rats. Forty male rats were divided into five groups of eight. The control group received no intervention; the scopolamine group underwent stereotaxic surgery and received 3 mg/kg intraperitoneal scopolamine. The treatment groups additionally received 1.25, 2.5 and 5 µg apelin-13 in right lateral ventricles for 7 days. All rats (except the control group) were tested for the passive avoidance reaction, 24 h after the last drug injection. For histological analysis, hippocampal sections were stained with cresyl violet; synaptogenesis biochemical markers were determined by immunoblotting. Apelin-13 alleviated scopolamine-induced passive avoidance memory impairment and neuronal loss in the rats' hippocampus (P<0.001). The reduction observed in mean concentrations of hippocampal synaptic proteins (including neurexin1, neuroligin, and postsynaptic density protein 95) in scopolamine-treated animals was attenuated by apelin-13 treatment. The results demonstrated that apelin-13 can protect against passive avoidance memory deficiency, and neuronal loss, induced by scopolamine in male rats. Further experimental and clinical studies are required to confirm its therapeutic potential in neurodegenerative diseases.
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Affiliation(s)
- Sara Gazmeh
- Neuroscience Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Maryam Azhir
- Neuroscience Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Leila Elyasi
- Neuroscience Research Center, Department of Anatomy, Faculty of Medicine, Golestan University of Medical Sciences, Km 4 Gorgan-Sari Road (Shastcola), Gorgan, Iran.
| | - Mehrdad Jahanshahi
- Neuroscience Research Center, Department of Anatomy, Faculty of Medicine, Golestan University of Medical Sciences, Km 4 Gorgan-Sari Road (Shastcola), Gorgan, Iran
| | - Emsehgol Nikmahzar
- Neuroscience Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Seyed Behnamedin Jameie
- Neuroscience Research Center, Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
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Cuttler K, Hassan M, Carr J, Cloete R, Bardien S. Emerging evidence implicating a role for neurexins in neurodegenerative and neuropsychiatric disorders. Open Biol 2021; 11:210091. [PMID: 34610269 PMCID: PMC8492176 DOI: 10.1098/rsob.210091] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Synaptopathies are brain disorders characterized by dysfunctional synapses, which are specialized junctions between neurons that are essential for the transmission of information. Synaptic dysfunction can occur due to mutations that alter the structure and function of synaptic components or abnormal expression levels of a synaptic protein. One class of synaptic proteins that are essential to their biology are cell adhesion proteins that connect the pre- and post-synaptic compartments. Neurexins are one type of synaptic cell adhesion molecule that have, recently, gained more pathological interest. Variants in both neurexins and their common binding partners, neuroligins, have been associated with several neuropsychiatric disorders. In this review, we summarize some of the key physiological functions of the neurexin protein family and the protein networks they are involved in. Furthermore, examination of published literature has implicated neurexins in both neuropsychiatric and neurodegenerative disorders. There is a clear link between neurexins and neuropsychiatric disorders, such as autism spectrum disorder and schizophrenia. However, multiple expression studies have also shown changes in neurexin expression in several neurodegenerative disorders, including Alzheimer's disease and Parkinson's disease. Therefore, this review highlights the potential importance of neurexins in brain disorders and the importance of doing more targeted studies on these genes and proteins.
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Affiliation(s)
- Katelyn Cuttler
- Division of Molecular Biology and Human Genetics, Department of Biomedical Sciences, Stellenbosch University, Cape Town, South Africa
| | - Maryam Hassan
- South African Medical Research Council Bioinformatics Unit, South African National Bioinformatics Institute, University of the Western Cape, Cape Town, South Africa
| | - Jonathan Carr
- Division of Neurology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa,South African Medical Research Council/Stellenbosch University Genomics of Brain Disorders Research Unit, Cape Town, South Africa
| | - Ruben Cloete
- South African Medical Research Council Bioinformatics Unit, South African National Bioinformatics Institute, University of the Western Cape, Cape Town, South Africa
| | - Soraya Bardien
- Division of Molecular Biology and Human Genetics, Department of Biomedical Sciences, Stellenbosch University, Cape Town, South Africa,South African Medical Research Council/Stellenbosch University Genomics of Brain Disorders Research Unit, Cape Town, South Africa
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10
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Niyomrat K, Cheaha D, Nukitram J, Kumarnsit E. Locomotor activity and resting local field potential oscillatory rhythms of 6-OHDA mouse model of Parkinson's disease in response to acute and repeated treatments with L-dopa. Neurosci Lett 2021; 759:136007. [PMID: 34098022 DOI: 10.1016/j.neulet.2021.136007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 05/26/2021] [Accepted: 05/30/2021] [Indexed: 11/15/2022]
Abstract
Phase-amplitude coupling (PAC) of local field potential (LFP) has been recognized as higher-order representation of brain states. Neuronal loss in the striatum leads to Parkinson's disease (PD) symptoms and modifies LFP oscillation. However, PAC in the striatum of PD mouse model induced by 6-hydroxydopamne (6-OHDA) remained to be investigated. Male Swiss albino ICR mice were implanted with intracranial electrode and injected with 6-OHDA to the left striatum. Levodopa (L-dopa) (10 mg/kg, oral) was used for treatment once a day from day 15-19. Locomotor activity and resting LFP signals were selectively analyzed on day 15 and 19. One-way ANOVA revealed significant decreases in travelled distance induced by 6-OHDA on both days (p ≤ 0.05). However, the decreased travelled distances were significantly reversed by L-dopa. On day 15, LFP powers of theta, alpha, beta and low gamma waves were significantly increased by 6-OHDA injection and the powers of beta and low gamma were significantly reversed to control level by treatment with L-dopa. On day 19, LFP powers of delta, theta, alpha, beta and low gamma waves were significantly increased by 6-OHDA injection and the powers of low gamma were significantly reversed to control level by treatment with L-dopa. Theta-gamma PAC analyses also confirmed significant increase in modulation index (MI) induced by 6-OHDA on day 19. However, L-dopa failed to significantly reverse the MI to control level. These findings indicated theta-gamma coupling in the striatum of PD mouse model. Taken together, change in striatal theta-gamma PAC might be one of biomarkers in addition to hypokinesia and increased LFP powers that reflect disrupted neural mechanisms in PD mouse model.
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Affiliation(s)
- Kirati Niyomrat
- Physiology program, Division of Health and Applied Sciences, Faculty of Science, Prince of Songkla University, Hatyai Campus, Hatyai, Songkhla 90110, Thailand; Biosignal Research Center for Health, Faculty of Science, Prince of Songkla University, Hatyai, Songkhla 90112, Thailand
| | - Dania Cheaha
- Biology program, Division of Biological Science, Faculty of Science, Prince of Songkla University, Hatyai, Songkhla 90112, Thailand; Biosignal Research Center for Health, Faculty of Science, Prince of Songkla University, Hatyai, Songkhla 90112, Thailand
| | - Jakkrit Nukitram
- Physiology program, Division of Health and Applied Sciences, Faculty of Science, Prince of Songkla University, Hatyai Campus, Hatyai, Songkhla 90110, Thailand; Biosignal Research Center for Health, Faculty of Science, Prince of Songkla University, Hatyai, Songkhla 90112, Thailand
| | - Ekkasit Kumarnsit
- Physiology program, Division of Health and Applied Sciences, Faculty of Science, Prince of Songkla University, Hatyai Campus, Hatyai, Songkhla 90110, Thailand; Biosignal Research Center for Health, Faculty of Science, Prince of Songkla University, Hatyai, Songkhla 90112, Thailand.
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11
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Chahkandi M, Komeili G, Sepehri G, Khaksari M, Amiresmaili S. Marijuana and β-estradiol interactions on spatial learning and memory in young female rats: Lack of role of the G protein-coupled estrogen receptor (GPR30). Life Sci 2021; 280:119723. [PMID: 34146552 DOI: 10.1016/j.lfs.2021.119723] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 06/02/2021] [Accepted: 06/04/2021] [Indexed: 11/18/2022]
Abstract
It has been shown that 17β-estradiol (E2) hormone is an essential biological factor for increasing the sensitivity of women to drug abuse. Recent studies have shown a potential overlap between the molecular pathways of cannabinoids and ovarian hormones. The current study evaluated the interference between the marijuana and E2 effect on spatial learning and memory and the role of the G protein-coupled estrogen receptor (GPR30) in young female rats. The animals were separated into two main groups: intact-ovary and ovariectomized (OVX) rats. The latter group received intraperitoneal injections of E2, G-1 (GPR30 agonist), G-15 (GPR30 antagonist), marijuana, and different combinations of these substances for 28 days. Spatial learning and memory were evaluated by the Morris water maze (MWM) test. We also assessed the BDNF (brain-derived neurotrophic factor) concentration and the hippocampal level of GPR30. The results showed a significant reduction of spatial learning and memory in OVX rats compared to intact-ovary rats, which were restored by E2 replacement. Moreover, treatment with G-1 mimicked E2 effects on spatial learning and memory. Marijuana impaired spatial learning and memory in intact-ovary rats, while improved in OVX rats. We also found that treatment with M + E2 induced significant impairment in spatial learning and memory; however, treatment with M + G1 and M + G15 + E2 showed no significant difference. No significant differences in BDNF expression were observed in experimental groups. These results suggest that marijuana and E2 interact in their effect on spatial learning and memory in young female rats, but GPR30 seems to play no role in this interaction.
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Affiliation(s)
- Mohadeseh Chahkandi
- Physiology Research Center, Institute of Neuropharmacology, and Department of Physiology and Pharmacology, Medical School, Kerman University of Medical Sciences, Kerman, Iran
| | - Gholamreza Komeili
- Department of Physiology, Zahedan University of Medical Sciences, Zahedan, Iran.
| | - Gholamreza Sepehri
- Kerman Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Khaksari
- Endocrinology and Metabolism Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
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12
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Angelopoulou E, Paudel YN, Bougea A, Piperi C. Impact of the apelin/APJ axis in the pathogenesis of Parkinson's disease with therapeutic potential. J Neurosci Res 2021; 99:2117-2133. [PMID: 34115895 DOI: 10.1002/jnr.24895] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 05/07/2021] [Accepted: 05/12/2021] [Indexed: 12/18/2022]
Abstract
The pathogenesis of Parkinson's disease (PD) remains elusive. There is still no available disease-modifying strategy against PD, whose management is mainly symptomatic. A growing amount of preclinical evidence shows that a complex interplay between autophagy dysregulation, mitochondrial impairment, endoplasmic reticulum stress, oxidative stress, and excessive neuroinflammation underlies PD pathogenesis. Identifying key molecules linking these pathological cellular processes may substantially aid in our deeper understanding of PD pathophysiology and the development of novel effective therapeutic approaches. Emerging preclinical evidence indicates that apelin, an endogenous neuropeptide acting as a ligand of the orphan G protein-coupled receptor APJ, may play a key neuroprotective role in PD pathogenesis, via inhibition of apoptosis and dopaminergic neuronal loss, autophagy enhancement, antioxidant effects, endoplasmic reticulum stress suppression, as well as prevention of synaptic dysregulation in the striatum, excessive neuroinflammation, and glutamate-induced excitotoxicity. Underlying signaling pathways involve phosphoinositide 3-kinase (PI3K)/Akt/mammalian target of rapamycin, extracellular signal-regulated kinase 1/2, and inositol requiring kinase 1α/XBP1/C/EBP homologous protein. Herein, we discuss the role of apelin/APJ axis and associated molecular mechanisms on the pathogenesis of PD in vitro and in vivo and provide evidence for its challenging therapeutic potential.
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Affiliation(s)
- Efthalia Angelopoulou
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece.,Department of Neurology, Eginition University Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Yam Nath Paudel
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia
| | - Anastasia Bougea
- Department of Neurology, Eginition University Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Christina Piperi
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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Zhou JX, Shuai NN, Wang B, Jin X, Kuang X, Tian SW. Neuroprotective gain of Apelin/APJ system. Neuropeptides 2021; 87:102131. [PMID: 33640616 DOI: 10.1016/j.npep.2021.102131] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 02/04/2021] [Accepted: 02/11/2021] [Indexed: 12/12/2022]
Abstract
Apelin is an endogenous ligand of G protein-coupled receptor APJ. In recent years, many studies have shown that the apelin/APJ system has neuroprotective properties, such as anti-inflammatory, anti-oxidative stress, anti-apoptosis, and regulating autophagy, blocking excitatory toxicity. Apelin/APJ system has been proven to play a role in various neurological diseases and may be a promising therapeutic target for nervous system diseases. In this paper, the neuroprotective properties of the apelin/APJ system and its role in neurologic disorders are reviewed. Further understanding of the pathophysiological effect and mechanism of the apelin/APJ system in the nervous system will help develop new therapeutic interventions for various neurological diseases.
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Affiliation(s)
- Jia-Xiu Zhou
- Department of Anesthesiology, Affiliated Longhua People's Hospital, Southern Medical University, Shenzhen, Guangdong 518109, PR China; Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Faculty of Basic Medical Sciences, Faculty of Basic Medical Sciences, Guilin Medical University, Guilin, Guangxi 541199, PR China
| | - Nian-Nian Shuai
- Department of Anesthesiology, The First Affiliated Hospital, University of South China, Hengyang, Hunan 421001, PR China
| | - Bo Wang
- Department of Anesthesiology, The First Affiliated Hospital, University of South China, Hengyang, Hunan 421001, PR China
| | - Xin Jin
- Department of Anesthesiology, Nanhua Affiliated Hospital, University of South China, Hengyang, Hunan 421001, PR China
| | - Xin Kuang
- Department of Anesthesiology, Affiliated Longhua People's Hospital, Southern Medical University, Shenzhen, Guangdong 518109, PR China.
| | - Shao-Wen Tian
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Faculty of Basic Medical Sciences, Faculty of Basic Medical Sciences, Guilin Medical University, Guilin, Guangxi 541199, PR China.
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Komeili G, Haghparast E, Sheibani V. Marijuana improved motor impairments and changes in synaptic plasticity-related molecules in the striatum in 6-OHDA-treated rats. Behav Brain Res 2021; 410:113342. [PMID: 33961911 DOI: 10.1016/j.bbr.2021.113342] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 05/02/2021] [Accepted: 05/03/2021] [Indexed: 01/06/2023]
Abstract
Using marijuana has become popular and is allowed for medical purposes in some countries. The effect of marijuana on Parkinson's disease is controversial and Medical marijuana may benefit for motor and non-motor symptoms of patients with Parkinson's disease. No research has been conducted to fully prove the benefits, risks, and uses of marijuana as a treatment for patients with Parkinson's disease. In the present study, several different approaches, including behavioral measures and the western blot method for protein level assay, were used to investigate whether exposure to marijuana affects the motor and synaptic plasticity impairment induced by 6-OHDA. Marijuana consumption significantly decreased apomorphine-induced contralateral rotation, beam travel time, beam freeze time, and catalepsy time, but significantly increased latency to fall in the rotarod test, balance time, and protein level of PSD-95 and dopamine receptor D1 in the 6-OHDA + marijuana group. These results suggest that marijuana may be helpful for motor disorders and synaptic changes in patients with Parkinson's disease.
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Affiliation(s)
- Gholamreza Komeili
- Department of Physiology, Faculty of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Elham Haghparast
- Department of Physiology, Faculty of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran; Kerman Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran.
| | - Vahid Sheibani
- Kerman Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
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15
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Vafaei-Nezhad S, Niknazar S, Norouzian M, Abdollahifar MA, Aliaghaei A, Abbaszadeh HA. Therapeutics effects of [Pyr1] apelin-13 on rat contusion model of spinal cord injury: An experimental study. J Chem Neuroanat 2021; 113:101924. [PMID: 33567298 DOI: 10.1016/j.jchemneu.2021.101924] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Revised: 01/29/2021] [Accepted: 01/30/2021] [Indexed: 02/07/2023]
Abstract
Spinal cord injury (SCI) can cause various symptoms, including pain, complete or incomplete loss of autonomic, sensory, motor and functions inferior to the site of the damage. Despite wondrous advances in medicine, treating spinal cord injuries remains a thorny issue yet. Recently, the control of inflammatory processes after damage to the nervous system has been noticed as a promising therapeutic target. The goal of the present experiment was to identify the effects of apelin-13 on the histological outcome, inflammatory factors, and functional recovery in the animal contusion model of SCI were analyzed. 40 Female Wistar rats were randomly but equally assigned in laminectomy, contusion, PBS (1 mL PBS, i.p), control group which received apelin-13 (control + apelin, 100 μg/kg, i.p), and apelin-13 treatment groups. In the treatment group, apelin-13 (100 μg/kg) was injected intraperitoneally 30 min after injury. The weight-dropping contusion model was used for inducing SCI. The Basso, Beattie, and Bresnahan scale (BBB), narrow beam test (NBT), rotarod test, and the open-field test was applied to evaluate locomotor and behavioral activity. Real-time polymerase chain reaction (PCR) and ELISA technique was accomplished eight weeks after inducing SCI to measure the level of fibroblast growth factor FGF-1, FGFR1 and the inflammatory factors including interleukin (IL)-1β, tumor necrosis factor-α (TNF-α), IL-6, and IL-10. Furthermore, histological change was estimated by H&E staining. Our results showed that apelin-13 treatment after SCI led to a significant increase in functional recovery and behavioral tests. Stereological estimation illustrated that apelin-13 could reduce significantly central cavity volume and number of glial cells, and also increase significantly spinal cord volume and number of neural cells. PCR and ELISA evaluation shows a significant increase in IL-10 level and decrease in levels of FGF-1, FGF-R1, and pro-inflammatory cytokines (PIC). This study suggested that apelin-13 has neuroprotective effects by regulating the inflammatory process after SCI.
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Affiliation(s)
- Saeed Vafaei-Nezhad
- Department of Biology and Anatomical sciencese, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Somayeh Niknazar
- Hearing Disorders Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohsen Norouzian
- Department of Biology and Anatomical sciencese, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad-Amin Abdollahifar
- Department of Biology and Anatomical sciencese, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abbas Aliaghaei
- Department of Biology and Anatomical sciencese, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hojjat Allah Abbaszadeh
- Department of Biology and Anatomical sciencese, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Hearing Disorders Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Chen P, Wang Y, Chen L, Song N, Xie J. Apelin-13 Protects Dopaminergic Neurons against Rotenone-Induced Neurotoxicity through the AMPK/mTOR/ULK-1 Mediated Autophagy Activation. Int J Mol Sci 2020; 21:ijms21218376. [PMID: 33171641 PMCID: PMC7664695 DOI: 10.3390/ijms21218376] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 10/29/2020] [Accepted: 11/02/2020] [Indexed: 02/07/2023] Open
Abstract
Parkinson’s disease (PD) is characterized by the progressive loss of dopaminergic neurons in the substantia nigra pars compacta. Several brain–gut peptides are able to exert neuroprotective effects on the nigrostriatal dopaminergic system. Apelin-13 is a neuropeptide, conveying potential neuroprotective activities. However, whether, and how, apelin-13 could antagonize rotenone-induced neurotoxicity has not yet been elucidated. In the present study, rotenone-treated SH-SY5Y cells and rats were used to clarify whether apelin-13 has protective effects on dopaminergic neurons, both in vivo and in vitro. The results showed that apelin-13 could protect SH-SY5Y cells from rotenone-induced injury and apoptosis. Apelin-13 was able to activate autophagy, and restore rotenone induced autophagy impairment in SH-SY5Y cells, which could be blocked by the autophagy inhibitor 3-Methyladenine. Apelin-13 activated AMPK/mTOR/ULK-1 signaling, AMPKα inhibitor compound C, as well as apelin receptor blockage via siRNA, which could block apelin-13-induced signaling activation, autophagy activation, and protective effects, in rotenone-treated SH-SY5Y cells. These results indicated that apelin-13 exerted neuroprotective properties against rotenone by stimulating AMPK/mTOR/ULK-1 signaling-mediated autophagy via the apelin receptor. We also observed that intracerebroventricular injection of apelin-13 could alleviate nigrostriatal dopaminergic neuron degeneration in rotenone-treated rats. Our findings provide new insights into the mechanism by which apelin-13 might attenuate neurotoxicity in PD.
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Affiliation(s)
- Peng Chen
- Institute of Brain Science and Disease, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, Qingdao University, Qingdao 266071, China; (P.C.); (Y.W.); (L.C.)
- Department of Physiology, College of Basic Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250000, China
| | - Youcui Wang
- Institute of Brain Science and Disease, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, Qingdao University, Qingdao 266071, China; (P.C.); (Y.W.); (L.C.)
| | - Leilei Chen
- Institute of Brain Science and Disease, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, Qingdao University, Qingdao 266071, China; (P.C.); (Y.W.); (L.C.)
| | - Ning Song
- Institute of Brain Science and Disease, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, Qingdao University, Qingdao 266071, China; (P.C.); (Y.W.); (L.C.)
- Correspondence: (N.S.); or (J.X.)
| | - Junxia Xie
- Institute of Brain Science and Disease, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, Qingdao University, Qingdao 266071, China; (P.C.); (Y.W.); (L.C.)
- Correspondence: (N.S.); or (J.X.)
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Esmaeili-Mahani S, Haghparast E, Nezhadi A, Abbasnejad M, Sheibani V. Apelin-13 prevents hippocampal synaptic plasticity impairment in Parkinsonism rats. J Chem Neuroanat 2020; 111:101884. [PMID: 33161074 DOI: 10.1016/j.jchemneu.2020.101884] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 11/02/2020] [Accepted: 11/03/2020] [Indexed: 12/13/2022]
Abstract
The hippocampus is involved in learning and memory for novel information and implicated within the cognitive dysfunction in Parkinson's disease. Long-term potentiation (LTP), the most type of synaptic plasticity, is the base of learning and memory. We evaluated the consequences of apelin-13 on early long-term potentiation (E-LTP) in the Cornu Ammonis (CA1) area of the hippocampus and synaptic hippocampal protein expression of postsynaptic density protein 95 (PSD-95) and dopaminergic receptor (DR1) of the rat model of Parkinsonism. 6-hydroxydopamine (6-OHDA) was infused within the right substantia nigra. Intra-nigral transfusion of apelin-13 (1, 2, and 3 μg/rat) was performed one week after the 6-OHDA injection. Using hematoxylin and eosin staining, the pathological changes in the substantia nigra neurons were examined. In Vivo field excitatory postsynaptic potentials were recorded in the CA1 region one month after the apelin injection. The PSD-95 and DR1 protein levels were assessed by western blotting. The mRNA expression level of DR1 was also measured by real-time PCR. 6-OHDA meaningfully disrupted short-term memory and LTP, and altered the expression levels of the above-mentioned proteins in the hippocampus. The results suggest that apelin-13 (especially at 3 μg/rat) significantly ameliorates the E-LTP impairment and attenuates the changes in hippocampal synaptic proteins in 6-OHDA-treated rats.
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Affiliation(s)
- Saeed Esmaeili-Mahani
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran; Laboratory of Molecular Neuroscience, Kerman Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Elham Haghparast
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran; Laboratory of Molecular Neuroscience, Kerman Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran.
| | - Akram Nezhadi
- Neuroscience Research Center, Aja University of Medical Sciences, Tehran, Iran
| | - Mehdi Abbasnejad
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Vahid Sheibani
- Laboratory of Molecular Neuroscience, Kerman Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
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