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Alkhazaali-Ali Z, Sahab-Negah S, Boroumand AR, Tavakol-Afshari J. MicroRNA (miRNA) as a biomarker for diagnosis, prognosis, and therapeutics molecules in neurodegenerative disease. Biomed Pharmacother 2024; 177:116899. [PMID: 38889636 DOI: 10.1016/j.biopha.2024.116899] [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: 04/11/2024] [Revised: 05/29/2024] [Accepted: 06/06/2024] [Indexed: 06/20/2024] Open
Abstract
Neurodegenerative diseases that include Alzheimer's disease (AD), amyotrophic lateral sclerosis (ALS), Parkinson's disease (PD), Huntington's disease (HD), and multiple sclerosis (MS) that arise due to numerous causes like protein accumulation and autoimmunity characterized by neurologic depletion which lead to incapacity in normal physiological function such as thinking and movement in these patients. Glial cells perform an important role in protective neuronal function; in the case of neuroinflammation, glial cell dysfunction can promote the development of neurodegenerative diseases. miRNA that participates in gene regulation and plays a vital role in many biological processes in the body; in the central nervous system (CNS), it can play an essential part in neural maturation and differentiation. In neurodegenerative diseases, miRNA dysregulation occurs, enhancing the development of these diseases. In this review, we discuss neurodegenerative disease (Alzheimer's disease (AD), Parkinson's disease (PD), amyotrophic lateral sclerosis (ALS), and multiple sclerosis (MS)) and how miRNA is preserved as a diagnostic biomarker or therapeutic agent in these disorders. Finally, we highlight miRNA as therapy.
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Affiliation(s)
- Zahraa Alkhazaali-Ali
- Department of Immunology, Immunology Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sajad Sahab-Negah
- Neuroscience Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Shefa Neuroscience Research Center, Khatam Alanbia Hospital, Tehran, Iran
| | - Amir Reza Boroumand
- Neuroscience Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Jalil Tavakol-Afshari
- Department of Immunology, Immunology Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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Farahmand Y, Nabiuni M, Vafaei Mastanabad M, Sheibani M, Mahmood BS, Obayes AM, Asadi F, Davallou R. The exo-microRNA (miRNA) signaling pathways in pathogenesis and treatment of stroke diseases: Emphasize on mesenchymal stem cells (MSCs). Cell Biochem Funct 2024; 42:e3917. [PMID: 38379232 DOI: 10.1002/cbf.3917] [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: 10/25/2023] [Revised: 12/07/2023] [Accepted: 12/17/2023] [Indexed: 02/22/2024]
Abstract
A major factor in long-term impairment is stroke. Patients with persistent stroke and severe functional disabilities have few therapy choices. Long noncoding RNAs (lncRNAs) may contribute to the regulation of the pathophysiologic processes of ischemic stroke as shown by altered expression of lncRNAs and microRNA (miRNAs) in blood samples of acute ischemic stroke patients. On the other hand, multipotent mesenchymal stem cells (MSCs) increase neurogenesis, and angiogenesis, dampen neuroinflammation, and boost brain plasticity to improve functional recovery in experimental stroke models. MSCs can be procured from various sources such as the bone marrow, adipose tissue, and peripheral blood. Under the proper circumstances, MSCs can differentiate into a variety of mature cells, including neurons, astrocytes, and oligodendrocytes. Accordingly, the capability of MSCs to exert neuroprotection and also neurogenesis has recently attracted more attention. Nowadays, lncRNAs and miRNAs derived from MSCs have opened new avenues to alleviate stroke symptoms. Accordingly, in this review article, we examined various studies concerning the lncRNAs and miRNAs' role in stroke pathogenesis and delivered an overview of the therapeutic role of MSC-derived miRNAs and lncRNAs in stroke conditions.
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Affiliation(s)
- Yalda Farahmand
- School of Medicine, Terhan University of Medical Sciences, Tehran, Iran
| | - Mohsen Nabiuni
- Neurosurgery Department, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mahsa Vafaei Mastanabad
- Neurosurgery Department, Faculty of Medicine, Qazvin University of Medical Science, Qazvin, Iran
| | - Mehrnaz Sheibani
- Division of Pediatric Neurology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | | | - Ali Mohammed Obayes
- College of Nursing, National University of Science and Technology, Dhi Qar, Iraq
| | - Fatemeh Asadi
- Department of Genetics, Fars Science and Research Branch, Islamic Azad University, Marvdasht, Iran
- Department of Genetics, Marvdasht Branch, Islamic Azad University, Marvdasht, Iran
| | - Rosa Davallou
- Department of Neurology, Sayyad Shirazi Hospital, Golestan University of Medical Siences, Gorgan, Iran
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Ten Cate V, Rapp S, Schulz A, Pallares Robles A, Jurk K, Koeck T, Espinola-Klein C, Halank M, Seyfarth HJ, Beutel ME, Schuster AK, Marini F, Hobohm L, Lankeit M, Lackner KJ, Ruf W, Münzel T, Andrade-Navarro MA, Prochaska JH, Konstantinides SV, Wild PS. Circulating microRNAs predict recurrence and death following venous thromboembolism. J Thromb Haemost 2023; 21:2797-2810. [PMID: 37481073 DOI: 10.1016/j.jtha.2023.07.010] [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: 01/25/2023] [Revised: 06/10/2023] [Accepted: 07/07/2023] [Indexed: 07/24/2023]
Abstract
BACKGROUND Recurrent events frequently occur after venous thromboembolism (VTE) and remain difficult to predict based on established genetic, clinical, and proteomic contributors. The role of circulating microRNAs (miRNAs) has yet to be explored in detail. OBJECTIVES To identify circulating miRNAs predictive of recurrent VTE or death, and to interpret their mechanistic involvement. METHODS Data from 181 participants of a cohort study of acute VTE and 302 individuals with a history of VTE from a population-based cohort were investigated. Next-generation sequencing was performed on EDTA plasma samples to detect circulating miRNAs. The endpoint of interest was recurrent VTE or death. Penalized regression was applied to identify an outcome-relevant miRNA signature, and results were validated in the population-based cohort. The involvement of miRNAs in coregulatory networks was assessed using principal component analysis, and the associated clinical and molecular phenotypes were investigated. Mechanistic insights were obtained from target gene and pathway enrichment analyses. RESULTS A total of 1950 miRNAs were detected across cohorts after postprocessing. In the discovery cohort, 50 miRNAs were associated with recurrent VTE or death (cross-validated C-index, 0.65). A weighted miRNA score predicted outcome over an 8-year follow-up period (HRSD, 2.39; 95% CI, 1.98-2.88; P < .0001). The independent validation cohort validated 20 miRNAs (ORSD for score, 3.47; 95% CI, 2.37-5.07; P < .0001; cross-validated-area under the curve, 0.61). Principal component analysis revealed 5 miRNA networks with distinct relationships to clinical phenotype and outcome. Mapping of target genes indicated regulation via transcription factors and kinases involved in signaling pathways associated with fibrinolysis. CONCLUSION Circulating miRNAs predicted the risk of recurrence or death after VTE over several years, both in the acute and chronic phases.
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Affiliation(s)
- Vincent Ten Cate
- Preventive Cardiology and Preventive Medicine, Center for Cardiology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Clinical Epidemiology and Systems Medicine, Center for Thrombosis and Hemostasis (CTH), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Partner Site Rhine-Main, German Centre for Cardiovascular Research (DZHK), Mainz, Germany. https://twitter.com/cesm_mainz
| | - Steffen Rapp
- Preventive Cardiology and Preventive Medicine, Center for Cardiology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Andreas Schulz
- Preventive Cardiology and Preventive Medicine, Center for Cardiology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Alejandro Pallares Robles
- Clinical Epidemiology and Systems Medicine, Center for Thrombosis and Hemostasis (CTH), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Kerstin Jurk
- Clinical Epidemiology and Systems Medicine, Center for Thrombosis and Hemostasis (CTH), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Partner Site Rhine-Main, German Centre for Cardiovascular Research (DZHK), Mainz, Germany
| | - Thomas Koeck
- Preventive Cardiology and Preventive Medicine, Center for Cardiology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Christine Espinola-Klein
- Department of Angiology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Michael Halank
- Department of Internal Medicine I and Pulmonology, Carl Gustav Carus Hospital, University of Dresden, Dresden, Germany
| | | | - Manfred E Beutel
- Department of Psychosomatic Medicine and Psychotherapy, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Alexander K Schuster
- Department of Ophthalmology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Federico Marini
- Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Lukas Hobohm
- Center for Thrombosis and Hemostasis (CTH), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Department of Cardiology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Mareike Lankeit
- Center for Thrombosis and Hemostasis (CTH), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Department of Internal Medicine and Cardiology, Campus Virchow Klinikum (CVK), Charité - University Medicine Berlin, Germany
| | - Karl J Lackner
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Wolfram Ruf
- Partner Site Rhine-Main, German Centre for Cardiovascular Research (DZHK), Mainz, Germany; Center for Thrombosis and Hemostasis (CTH), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Department of Immunology and Microbiology, Scripps Research, La Jolla, California, USA
| | - Thomas Münzel
- Partner Site Rhine-Main, German Centre for Cardiovascular Research (DZHK), Mainz, Germany; Department of Cardiology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Miguel A Andrade-Navarro
- Institute of Organismic and Molecular Evolution, Faculty of Biology, Johannes Gutenberg University Mainz, Mainz, Germany
| | - Jürgen H Prochaska
- Preventive Cardiology and Preventive Medicine, Center for Cardiology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Clinical Epidemiology and Systems Medicine, Center for Thrombosis and Hemostasis (CTH), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Partner Site Rhine-Main, German Centre for Cardiovascular Research (DZHK), Mainz, Germany
| | - Stavros V Konstantinides
- Department of Internal Medicine and Cardiology, Campus Virchow Klinikum (CVK), Charité - University Medicine Berlin, Germany
| | - Philipp S Wild
- Preventive Cardiology and Preventive Medicine, Center for Cardiology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Clinical Epidemiology and Systems Medicine, Center for Thrombosis and Hemostasis (CTH), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany; Partner Site Rhine-Main, German Centre for Cardiovascular Research (DZHK), Mainz, Germany; Institute of Molecular Biology (IMB), Mainz, Germany.
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Weng YH, Yu WT, Luo YP, Liu C, Gu XX, Chen HY, Liu HB. Association between miR-365 polymorphism and ischemic stroke in a Chinese population. Front Neurol 2023; 14:1260230. [PMID: 37840919 PMCID: PMC10569467 DOI: 10.3389/fneur.2023.1260230] [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: 07/18/2023] [Accepted: 08/30/2023] [Indexed: 10/17/2023] Open
Abstract
Background Ischemic stroke (IS) represents a major cause of morbidity and mortality across the globe. The aberrant expression of miR-365 has been found to be implicated in a wide array of human diseases, including atherosclerosis and cancer. Studies on single-nucleotide polymorphisms (SNPs) in miRNA genes can help gain insight into the susceptibility to the condition. This study aimed to examine the relationship between miR-365 SNPs and the risk of IS. Methods The study recruited 215 IS patients and 220 controls. The SNPscans genotyping was employed to genotype three polymorphic loci (rs121224, rs30230, and rs178553) of miR-365. The relative expression of miR-365 in peripheral blood mononuclear cells of the patients and controls was determined by using real-time quantitative PCR. Results The miR-365 rs30230 polymorphism exhibited a significant association with the risk of developing IS (TC vs. CC: adjusted OR = 0.55, 95% CI: 0.33-0.92, P = 0.022; TT vs. CC: adjusted OR = 0.34, 95% CI: 0.14-0.85, P = 0.021; TC +TT vs. CC: adjusted OR = 0.51, 95% CI: 0.31-0.83, P = 0.007; T vs. C: adjusted OR = 0.57, 95% CI: 0.39-0.83, P = 0.004). Haplotype analysis revealed that the C-T-G haplotype was associated with a decreased risk of IS (OR = 0.68, 95% CI: 0.46-1.00, P = 0.047). Furthermore, miR-365 expression was significantly higher in IS patients than in controls (P < 0.001). Interestingly, patients with rs30230 TC or TT genotypes had lower miR-365 levels compared to their counterparts with CC genotypes (P < 0.001). Conclusions The miR-365 rs30230 polymorphism might bear an association with IS susceptibility in the Chinese population, and the rs30230 TC/TT genotype might be a protective factor against IS.
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Affiliation(s)
- Yin-Hua Weng
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, China
- College of Medical Laboratory Science, Guilin Medical University, Guilin, China
- School of Clinical Medicine, Guilin Medical University, Guilin, China
| | - Wen-Tao Yu
- School of Clinical Medicine, Guilin Medical University, Guilin, China
| | - Yan-Ping Luo
- School of Clinical Medicine, Guilin Medical University, Guilin, China
| | - Chao Liu
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, China
- College of Medical Laboratory Science, Guilin Medical University, Guilin, China
- School of Clinical Medicine, Guilin Medical University, Guilin, China
| | - Xi-Xi Gu
- School of Clinical Medicine, Guilin Medical University, Guilin, China
| | - Huo-Ying Chen
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, China
- College of Medical Laboratory Science, Guilin Medical University, Guilin, China
- Guangxi Health Commission Key Laboratory of Glucose and Lipid Metabolism Disorders, Guangxi Key Laboratory of Metabolic Reprogramming and Intelligent Medical Engineering for Chronic Diseases, The Second Affiliated Hospital of Guilin Medical University, Guilin, China
| | - Hong-Bo Liu
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, China
- College of Medical Laboratory Science, Guilin Medical University, Guilin, China
- Guangxi Health Commission Key Laboratory of Glucose and Lipid Metabolism Disorders, Guangxi Key Laboratory of Metabolic Reprogramming and Intelligent Medical Engineering for Chronic Diseases, The Second Affiliated Hospital of Guilin Medical University, Guilin, China
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Zhang J, Li A, Gu R, Tong Y, Cheng J. Role and regulatory mechanism of microRNA mediated neuroinflammation in neuronal system diseases. Front Immunol 2023; 14:1238930. [PMID: 37637999 PMCID: PMC10457161 DOI: 10.3389/fimmu.2023.1238930] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 07/27/2023] [Indexed: 08/29/2023] Open
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs with the unique ability to degrade or block specific RNAs and regulate many cellular processes. Neuroinflammation plays the pivotal role in the occurrence and development of multiple central nervous system (CNS) diseases. The ability of miRNAs to enhance or restrict neuroinflammatory signaling pathways in CNS diseases is an emerging and important research area, including neurodegenerative diseases, stroke, and traumatic brain injury (TBI). In this review, we summarize the roles and regulatory mechanisms of recently identified miRNAs involved in neuroinflammation-mediated CNS diseases, aiming to explore and provide a better understanding and direction for the treatment of CNS diseases.
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Affiliation(s)
| | | | | | | | - Jinbo Cheng
- Center on Translational Neuroscience, College of Life and Environmental Science, Minzu University of China, Beijing, China
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Yang R, Yang B, Liu W, Tan C, Chen H, Wang X. Emerging role of non-coding RNAs in neuroinflammation mediated by microglia and astrocytes. J Neuroinflammation 2023; 20:173. [PMID: 37481642 PMCID: PMC10363317 DOI: 10.1186/s12974-023-02856-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 07/18/2023] [Indexed: 07/24/2023] Open
Abstract
Neuroinflammation has been implicated in the initiation and progression of several central nervous system (CNS) disorders, including Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, multiple sclerosis, ischemic stroke, traumatic brain injury, spinal cord injury, viral encephalitis, and bacterial encephalitis. Microglia and astrocytes are essential in neural development, maintenance of synaptic connections, and homeostasis in a healthy brain. The activation of astrocytes and microglia is a defense mechanism of the brain against damaged tissues and harmful pathogens. However, their activation triggers neuroinflammation, which can exacerbate or induce CNS injury. Non-coding RNAs (ncRNAs) are functional RNA molecules that lack coding capabilities but can actively regulate mRNA expression and function through various mechanisms. ncRNAs are highly expressed in astrocytes and microglia and are potential mediators of neuroinflammation. We reviewed the recent research progress on the role of miRNAs, lncRNAs, and circRNAs in regulating neuroinflammation in various CNS diseases. Understanding how these ncRNAs affect neuroinflammation will provide important therapeutic insights for preventing and managing CNS dysfunction.
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Affiliation(s)
- Ruicheng Yang
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
- Frontiers Science Center for Animal Breeding and Sustainable Production, Wuhan, 430070, China
| | - Bo Yang
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
- Wuhan Keqian Biological Co., Ltd., Wuhan, 430070, China
| | - Wei Liu
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
- Wuhan Academy of Agricultural Sciences, Wuhan, 430070, China
| | - Chen Tan
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
- Frontiers Science Center for Animal Breeding and Sustainable Production, Wuhan, 430070, China
| | - Huanchun Chen
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
- Frontiers Science Center for Animal Breeding and Sustainable Production, Wuhan, 430070, China
| | - Xiangru Wang
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China.
- Frontiers Science Center for Animal Breeding and Sustainable Production, Wuhan, 430070, China.
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Bavarsad K, Farbood Y, Mard SA, Khoshnam SE, Dianat M, Jahangiri HM, Khorsandi LS, Goudarzi G, Sarkaki A. Effects of Gallic Acid on Memory Deficits and Electrophysiological Impairments Induced by Cerebral Ischemia/Reperfusion in Rats Following Exposure to Ambient Dust Storm. Neurochem Res 2023:10.1007/s11064-023-03953-5. [PMID: 37222948 DOI: 10.1007/s11064-023-03953-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 05/07/2023] [Accepted: 05/10/2023] [Indexed: 05/25/2023]
Abstract
We aimed to investigate the probable protective effects of gallic acid (GA) on cognitive deficits, hippocampal long term potentiation (LTP) impairments, and molecular changes induced by cerebral ischemia/reperfusion (I/R) in rats following exposure to ambient dust storm. After pretreatment with GA (100 mg/kg), or vehicle (Veh) (normal saline, 2 ml/kg) for ten days, and 60 minutes' exposure to dust storm including PM (PM, 2000-8000 g/m3) every day, 4-vessel occlusion (4VO) type of I/R was induced. Three days after I/R induction, we evaluated behavioral, electrophysiological, histopathological, molecular and brain tissue inflammatory cytokine changes. Our findings indicated that pretreatment with GA significantly reduced cognitive impairments caused by I/R (P < 0.05) and hippocampal LTP impairments caused by I/R after PM exposure (P < 0.001). Additionally, after exposure to PM, I/R significantly elevated the tumor necrosis factor α content (P < 0.01) and miR-124 level (P < 0.001) while pre-treatment with GA reduced the level of miR-124 (P < 0.001). Histopathological results also revealed that I/R and PM caused cell death in the hippocampus CA1 area (P < 0.001) and that GA decreased the rate of cell death (P < 0.001). Our findings show that GA can prevent brain inflammation, and thus cognitive and LTP deficits caused by I/R, PM exposure, or both.
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Affiliation(s)
- Kowsar Bavarsad
- Department of Physiology, Faculty of Medicine, Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- National Institute for Medical Research Development "NIMAD", Tehran, Iran
| | - Yaghoob Farbood
- Department of Physiology, Faculty of Medicine, Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- National Institute for Medical Research Development "NIMAD", Tehran, Iran
| | - Seyed Ali Mard
- Department of Physiology, Faculty of Medicine, Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- National Institute for Medical Research Development "NIMAD", Tehran, Iran
| | - Seyed Esmaeil Khoshnam
- Department of Physiology, Faculty of Medicine, Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- National Institute for Medical Research Development "NIMAD", Tehran, Iran
| | - Mahin Dianat
- Department of Physiology, Faculty of Medicine, Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- National Institute for Medical Research Development "NIMAD", Tehran, Iran
| | - Hamzeh Mirshekari Jahangiri
- Department of Physiology, Faculty of Medicine, Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- National Institute for Medical Research Development "NIMAD", Tehran, Iran
- Department of Physiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Laya Sadat Khorsandi
- National Institute for Medical Research Development "NIMAD", Tehran, Iran
- Department of Anatomical Sciences, Cellular & Molecular Research Center, Medical Basic Sciences Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Gholamreza Goudarzi
- National Institute for Medical Research Development "NIMAD", Tehran, Iran
- Department of Environmental Health Engineering, Environmental Technology Research Center, Jundishapur University of Medical Science, Ahvaz, Iran
| | - Alireza Sarkaki
- National Institute for Medical Research Development "NIMAD", Tehran, Iran.
- Medicinal Plants Research Center, Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Department of Physiology, Faculty of Medicine, Ahvaz Jundishapur University of Medica Sciences, Ahvaz, Iran.
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Exosomes from Inflamed Macrophages Promote the Progression of Parkinson's Disease by Inducing Neuroinflammation. Mol Neurobiol 2023; 60:1914-1928. [PMID: 36596964 DOI: 10.1007/s12035-022-03179-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 12/14/2022] [Indexed: 01/05/2023]
Abstract
Inflammation is a common feature both for Parkinson's disease (PD) and obesity-associated metabolic syndromes. Inflammation mediated by inflamed macrophages in white adipose tissue plays a pivotal role for the pathogenesis of metabolic syndromes. Exosomes are important carriers connecting peripheral tissues and the central nervous system (CNS). Therefore, we speculate that exosomes derived from inflamed macrophages may be involved in the pathological progression of PD. Here, we prepared exosomes from lipopolysaccharide (LPS) or interferon gamma (IFNγ) treated macrophages (inflamed macrophages) and examined their potential roles in PD. Our data showed that exosomes from inflamed macrophages stimulate proinflammatory cytokine expression in primary microglia and astrocytes. In vivo, inflamed macrophage exosomes induce behavioral defects in mice as evidenced by shortened duration in the rotarod test and prolonged latency in the pole test. The treatment of exosomes also reduces tyrosine hydroxylase (TH) positive cells in the substantia nigra pars compacta (SNpc) and striatum. All these PD-like phenotypes are likely due to the activation of microglia and astrocytes induced by exosomes from inflamed macrophages. Exosome sequencing, together with bioinformatics analysis and functional studies, revealed that exosomal miRNAs such as miR-155-5p are likely a key factor for inducing an inflammatory response in glial cells. These results indicate that exosomes derived from inflamed macrophages are likely a causative factor for developing PD. In this regard, inflamed macrophage exosomes might be a linker transducing the peripheral tissue inflammation into the CNS.
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Direct targeting of DOCK4 by miRNA-181d in oxygen-glucose deprivation/reoxygenation-mediated neuronal injury. Lipids Health Dis 2023; 22:34. [PMID: 36882763 PMCID: PMC9990210 DOI: 10.1186/s12944-023-01794-3] [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: 12/04/2022] [Accepted: 02/22/2023] [Indexed: 03/09/2023] Open
Abstract
The miRNA-181 (miR-181) family regulates neuronal persistence during cerebral ischemia/reperfusion injury (CI/RI). Since the effect of miR-181d on CI/RI has never been studied, the current work sought to determine the involvement of miR-181d in neuronal apoptosis after brain I/R injury. To replicate in vivo and in vitro CI/RI, a transient middle cerebral artery occlusion (tMCAO) model in rats and an oxygen-glucose deficiency/reoxygenation (OGD/R) model in neuro 2A cells were developed. In both in vivo and in vitro stroke models, the expression of miR-181d was considerably higher. miR-181d suppression reduced apoptosis and oxidative stress in OGD/R-treated neuroblastoma cells, but miR-181d overexpression increased both. Furthermore, it was observed that miR-181d has a direct target in dedicator of cytokinesis 4 (DOCK4). The overexpression of DOCK4 partially overcame cell apoptosis and oxidative stress induced by miR-181d upregulation and OGD/R injury. Furthermore, the DOCK4 rs2074130 mutation was related to lower DOCK4 levels in ischemic stroke (IS) peripheral blood and higher susceptibility to IS. These findings suggest that downregulating miR-181d protects neurons from ischemic damage by targeting DOCK4, implying that the miR-181d/DOCK4 axis might be a novel therapeutic target for IS.
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Wang H, Ma ZW, Ho FM, Sethi G, Tang FR. Dual Effects of miR-181b-2-3p/SOX21 Interaction on Microglia and Neural Stem Cells after Gamma Irradiation. Cells 2023; 12:cells12040649. [PMID: 36831315 PMCID: PMC9954616 DOI: 10.3390/cells12040649] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/26/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
Ionizing radiation induces brain inflammation and the impairment of neurogenesis by activating microglia and inducing apoptosis in neurogenic zones. However, the causal relationship between microglial activation and the impairment of neurogenesis as well as the relevant molecular mechanisms involved in microRNA (miR) remain unknown. In the present study, we employed immunohistochemistry and real-time RT-PCR to study the microglial activation and miRNA expression in mouse brains. Real-time RT-PCR, western blot, ELISA, cell proliferation and cytotoxicity assay were used in BV2 and mouse neural stem cells (NSCs). In the mouse model, we found the acute activation of microglia at 1 day and an increased number of microglial cells at 1, 7 and 120 days after irradiation at postnatal day 3 (P3), day 10 (P10) and day 21 (P21), respectively. In cell models, the activation of BV2, a type of microglial cell line, was observed after gamma irradiation. Real-time RT-PCR analysis revealed a deceased expression of miR-181b-2-3p and an increased expression of its target SRY-related high-mobility group box transcription factor 21 (SOX21) in a dose- and time-dependent fashion. The results of the luciferase reporter assay confirmed that SOX21 was the target of miR-181b-2-3p. Furthermore, SOX21 knockdown by siRNA inhibited the activation of microglia, thereby suggesting that the direct interaction of 181b-2-3p with SOX21 might be involved in radiation-induced microglial activation and proliferation. Interestingly, the gamma irradiation of NSCs increased miR-181b-2-3p expression but decreased SOX21 mRNA, which was the opposite of irradiation-induced expression in BV2 cells. As irradiation reduced the viability and proliferation of NSCs, whereas the overexpression of SOX21 restored the impaired cell viability and promoted the proliferation of NSCs, the findings suggest that the radiation-induced interaction of miR-181b-2-3p with SOX21 may play dual roles in microglia and NSCs, respectively, leading to the impairment of brain neurogenesis.
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Affiliation(s)
- Hong Wang
- Radiation Physiology Lab, Singapore Nuclear Research and Safety Initiative, National University of Singapore, Singapore 138602, Singapore
| | - Zhao-Wu Ma
- The School of Basic Medicine, Health Science Center, Yangtze University, 1 Nanhuan Road, Jingzhou 434023, China
| | - Feng-Ming Ho
- Radiation Physiology Lab, Singapore Nuclear Research and Safety Initiative, National University of Singapore, Singapore 138602, Singapore
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore
| | - Feng Ru Tang
- Radiation Physiology Lab, Singapore Nuclear Research and Safety Initiative, National University of Singapore, Singapore 138602, Singapore
- Correspondence:
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11
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Ma C, Zheng X, Wu X, Cheng J, Zhang K. microRNA-181c-5p stimulates the development of coronary artery disease by targeting SIRT1. Hellenic J Cardiol 2023; 69:31-40. [PMID: 36243396 DOI: 10.1016/j.hjc.2022.10.001] [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: 09/02/2021] [Revised: 09/29/2022] [Accepted: 10/02/2022] [Indexed: 11/04/2022] Open
Abstract
OBJECTIVE MicroRNA (miR) therapeutics is a promising approach to manage coronary artery disease (CAD). Herein, this research was aimed to explore miR-181c-5p-related mechanisms in CAD through regulating SIRT1. METHODS A CAD mouse model was established by feeding a high-fat diet in 8-week-old ApoE-/- mice. miR-181c-5p, SIRT1, and acetylated p65 levels in mouse myocardial tissues were evaluated by RT-qPCR and Western blot. Hemodynamic parameters included the maximum rising rate of the left ventricular pressure (lv + dp/dtmax) and the time values from the onset of contraction to dp/dtmax (t-dp/dtmax), while hemorheological indices included whole blood viscosity (low shear, middle shear, or high shear), plasma viscosity, hematocrit, and platelet adhesion were measured. Tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), and IL-6 were detected. Mouse pathological changes, degree of fibrosis, and cardiomyocyte apoptosis in myocardial tissues were assessed by HE, Masson, and TUNEL staining, respectively. The targeting relationship between miR-181c-5p and SIRT1 was verified by bioinformatics tools, dual luciferase reporter gene assay, and RNA pull-down assays. RESULTS In myocardial tissue of CAD mice, miR-181c-5p and acetylated p65 were upregulated while SIRT1 was downregulated. Downregulating miR-181c-5p or upregulating SIRT1 effectively ameliorated CAD by improving hemodynamics and hemorheology and reducing inflammation, pathological changes, degree of fibrosis, and cardiomyocyte apoptosis in myocardial tissues of mice. miR-181c-5p targeted SIRT1, and overexpression of SIRT1 relieved upregulated miR-181c-5p-induced injuries in CAD mice. Regulating miR-181c-5p and SIRT1 affected the acetylation of p65. CONCLUSION Downregulation of miR-181c-5p may ameliorate myocardial pathological changes and cardiomyocyte apoptosis in CAD by upregulating SIRT1 expression and decreasing acetylated p65 levels.
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Affiliation(s)
- Cao Ma
- Department of Emergency, Central China Fuwai Hospital of Zhengzhou University; Heart Center of Henan Provincial People's Hospital, Zhengzhou 451464, Henan, China
| | - Xiaohui Zheng
- Department of Emergency, Central China Fuwai Hospital of Zhengzhou University; Heart Center of Henan Provincial People's Hospital, Zhengzhou 451464, Henan, China.
| | - Xiaoguang Wu
- Department of Emergency, Central China Fuwai Hospital of Zhengzhou University; Heart Center of Henan Provincial People's Hospital, Zhengzhou 451464, Henan, China
| | - Jing Cheng
- Department of Emergency, Central China Fuwai Hospital of Zhengzhou University; Heart Center of Henan Provincial People's Hospital, Zhengzhou 451464, Henan, China
| | - Kai Zhang
- Department of Emergency, Central China Fuwai Hospital of Zhengzhou University; Heart Center of Henan Provincial People's Hospital, Zhengzhou 451464, Henan, China
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12
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Naseer S, Abelleira-Hervas L, Savani D, de Burgh R, Aleksynas R, Donat CK, Syed N, Sastre M. Traumatic Brain Injury Leads to Alterations in Contusional Cortical miRNAs Involved in Dementia. Biomolecules 2022; 12:1457. [PMID: 36291666 PMCID: PMC9599474 DOI: 10.3390/biom12101457] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 09/29/2022] [Accepted: 10/09/2022] [Indexed: 09/29/2023] Open
Abstract
There is compelling evidence that head injury is a significant environmental risk factor for Alzheimer's disease (AD) and that a history of traumatic brain injury (TBI) accelerates the onset of AD. Amyloid-β plaques and tau aggregates have been observed in the post-mortem brains of TBI patients; however, the mechanisms leading to AD neuropathology in TBI are still unknown. In this study, we hypothesized that focal TBI induces changes in miRNA expression in and around affected areas, resulting in the altered expression of genes involved in neurodegeneration and AD pathology. For this purpose, we performed a miRNA array in extracts from rats subjected to experimental TBI, using the controlled cortical impact (CCI) model. In and around the contusion, we observed alterations of miRNAs associated with dementia/AD, compared to the contralateral side. Specifically, the expression of miR-9 was significantly upregulated, while miR-29b, miR-34a, miR-106b, miR-181a and miR-107 were downregulated. Via qPCR, we confirmed these results in an additional group of injured rats when compared to naïve animals. Interestingly, the changes in those miRNAs were concomitant with alterations in the gene expression of mRNAs involved in amyloid generation and tau pathology, such as β-APP cleaving enzyme (BACE1) and Glycogen synthase-3-β (GSK3β). In addition increased levels of neuroinflammatory markers (TNF-α), glial activation, neuronal loss, and tau phosphorylation were observed in pericontusional areas. Therefore, our results suggest that the secondary injury cascade in TBI affects miRNAs regulating the expression of genes involved in AD dementia.
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Affiliation(s)
| | | | | | | | | | | | | | - Magdalena Sastre
- Department of Brain Sciences, Imperial College London, Hammersmith Hospital, Du Cane Road, London W12 0NN, UK
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13
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Pounders J, Hill EJ, Hooper D, Zhang X, Biesiada J, Kuhnell D, Greenland HL, Esfandiari L, Timmerman E, Foster F, Wang C, Walsh KB, Shatz R, Woo D, Medvedovic M, Langevin S, Sawyer RP. MicroRNA expression within neuronal-derived small extracellular vesicles in frontotemporal degeneration. Medicine (Baltimore) 2022; 101:e30854. [PMID: 36221381 PMCID: PMC9542922 DOI: 10.1097/md.0000000000030854] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 08/31/2022] [Indexed: 11/22/2022] Open
Abstract
MicroRNAs (miRNAs) are small non-coding RNA that are powerful regulators of gene expression and can affect the expression of hundreds of genes. miRNAs can be packed in small extracellular vesicles (SEV) and released into the extracellular space by neurons and microglia to act locally as well as pass through the blood-brain barrier and act systemically. We sought to understand the differences in neuronal SEV miRNA expression between frontotemporal dementia (FTD), Alzheimer's disease (AD), and healthy aging. Plasma was obtained from FTD, AD, and healthy aging participants that were matched based on age, sex, and race/ethnicity. Additionally, a subset of participants also provided paired cerebrospinal fluid samples to compare neuronal SEV miRNAs in plasma and cerebrospinal fluid. Neuronal SEV were isolated using differential ultracentrifugation and antibody conjugated Dynabeads® for the neuronal surface marker, L1CAM. RNA sequencing was performed. 12 FTD, 11 with AD, and 10 healthy aging participants were enrolled in the study. In FTD, SEV miRNA-181c was downregulated compared to healthy controls. In AD, miRNA-122 and miRNA-3591 were downregulated compared to those in healthy controls and FTD. Using an FDR <0.2, only miRNA-21-5p was found to have increased expression in the cerebrospinal fluid compared to plasma in a group of AD and FTD participants. SEV miRNA-181c is significantly downregulated in FTD compared to healthy controls and may mediate its effects through microglial-directed neuroinflammation and interaction with TAR DNA-binding protein 43 (TDP-43) based on pathway analysis. Additionally, the FOXO and Hippo pathways may be important mediators of FTD, based on pathway analysis. Lastly, because only one SEV miRNA was differentially expressed between the plasma and cerebrospinal fluid in paired samples, plasma represents an appropriate biofluid for studying neuronal SEV miRNA.
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Affiliation(s)
- Jonathan Pounders
- University of Cincinnati College of Medicine, Department of Neurology and Rehabilitation Medicine, Cincinnati, OH, USA
| | - Emily J. Hill
- University of Cincinnati College of Medicine, Department of Neurology and Rehabilitation Medicine, Cincinnati, OH, USA
| | - Destiny Hooper
- University of Cincinnati College of Medicine, Department of Neurology and Rehabilitation Medicine, Cincinnati, OH, USA
| | - Xiang Zhang
- University of Cincinnati College of Medicine, Department of Environmental and Public Health Sciences, Cincinnati, OH, USA
| | - Jacek Biesiada
- University of Cincinnati College of Medicine, Department of Environmental and Public Health Sciences, Cincinnati, OH, USA
| | - Damaris Kuhnell
- University of Cincinnati College of Medicine, Department of Environmental and Public Health Sciences, Cincinnati, OH, USA
| | - Hannah L. Greenland
- University of Cincinnati College of Medicine, Department of Environmental and Public Health Sciences, Cincinnati, OH, USA
| | - Leyla Esfandiari
- University of Cincinnati, Department of Electrical Engineering and Computer Science, Cincinnati, OH, USA
- University of Cincinnati, Department of Biomedical Engineering, Cincinnati, OH, USA
| | - Emerlee Timmerman
- University of Cincinnati College of Medicine, Department of Neurology and Rehabilitation Medicine, Cincinnati, OH, USA
| | - Forrest Foster
- University of Cincinnati College of Medicine, Department of Neurology and Rehabilitation Medicine, Cincinnati, OH, USA
| | - Chenran Wang
- University of Cincinnati College of Medicine, Department of Cancer Biology, Cincinnati, OH, USA
| | - Kyle B. Walsh
- University of Cincinnati College of Medicine, Department of Emergency Medicine, Cincinnati, OH, USA
| | - Rhonna Shatz
- University of Cincinnati College of Medicine, Department of Neurology and Rehabilitation Medicine, Cincinnati, OH, USA
| | - Daniel Woo
- University of Cincinnati College of Medicine, Department of Neurology and Rehabilitation Medicine, Cincinnati, OH, USA
| | - Mario Medvedovic
- University of Cincinnati College of Medicine, Department of Environmental and Public Health Sciences, Cincinnati, OH, USA
| | - Scott Langevin
- University of Cincinnati College of Medicine, Department of Environmental and Public Health Sciences, Cincinnati, OH, USA
| | - Russell P. Sawyer
- University of Cincinnati College of Medicine, Department of Neurology and Rehabilitation Medicine, Cincinnati, OH, USA
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14
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Yang K, Zeng L, Ge A, Wang S, Zeng J, Yuan X, Mei Z, Wang G, Ge J. A systematic review of the research progress of non-coding RNA in neuroinflammation and immune regulation in cerebral infarction/ischemia-reperfusion injury. Front Immunol 2022; 13:930171. [PMID: 36275741 PMCID: PMC9585453 DOI: 10.3389/fimmu.2022.930171] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 08/08/2022] [Indexed: 11/15/2022] Open
Abstract
Cerebral infarction/ischemia-reperfusion injury is currently the disease with the highest mortality and disability rate of cardiovascular disease. Current studies have shown that nerve cells die of ischemia several hours after ischemic stroke, which activates the innate immune response in the brain, promotes the production of neurotoxic substances such as inflammatory cytokines, chemokines, reactive oxygen species and − nitrogen oxide, and mediates the destruction of blood-brain barrier and the occurrence of a series of inflammatory cascade reactions. Meanwhile, the expression of adhesion molecules in cerebral vascular endothelial cells increased, and immune inflammatory cells such as polymorphonuclear neutrophils, lymphocytes and mononuclear macrophages passed through vascular endothelial cells and entered the brain tissue. These cells recognize antigens exposed by the central nervous system in the brain, activate adaptive immune responses, and further mediate secondary neuronal damage, aggravating neurological deficits. In order to reduce the above-mentioned damage, the body induces peripheral immunosuppressive responses through negative feedback, which increases the incidence of post-stroke infection. This process is accompanied by changes in the immune status of the ischemic brain tissue in local and systemic systems. A growing number of studies implicate noncoding RNAs (ncRNAs) as novel epigenetic regulatory elements in the dysfunction of various cell subsets in the neurovascular unit after cerebral infarction/ischemia-reperfusion injury. In particular, recent studies have revealed advances in ncRNA biology that greatly expand the understanding of epigenetic regulation of immune responses and inflammation after cerebral infarction/ischemia-reperfusion injury. Identification of aberrant expression patterns and associated biological effects of ncRNAs in patients revealed their potential as novel biomarkers and therapeutic targets for cerebral infarction/ischemia-reperfusion injury. Therefore, this review systematically presents recent studies on the involvement of ncRNAs in cerebral infarction/ischemia-reperfusion injury and neuroimmune inflammatory cascades, and elucidates the functions and mechanisms of cerebral infarction/ischemia-reperfusion-related ncRNAs, providing new opportunities for the discovery of disease biomarkers and targeted therapy. Furthermore, this review introduces clustered regularly interspaced short palindromic repeats (CRISPR)-Display as a possible transformative tool for studying lncRNAs. In the future, ncRNA is expected to be used as a target for diagnosing cerebral infarction/ischemia-reperfusion injury, judging its prognosis and treatment, thereby significantly improving the prognosis of patients.
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Affiliation(s)
- Kailin Yang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Liuting Zeng
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Anqi Ge
- The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Shanshan Wang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Jinsong Zeng
- The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Xiao Yuan
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Zhigang Mei
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Guozuo Wang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Jinwen Ge
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
- Hunan Academy of Chinese Medicine, Changsha, China
- *Correspondence: Jinwen Ge,
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15
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Khan I, Preeti K, Fernandes V, Khatri DK, Singh SB. Role of MicroRNAs, Aptamers in Neuroinflammation and Neurodegenerative Disorders. Cell Mol Neurobiol 2022; 42:2075-2095. [PMID: 33934227 DOI: 10.1007/s10571-021-01093-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 04/19/2021] [Indexed: 02/07/2023]
Abstract
Exploring the microRNAs and aptamers for their therapeutic role as biological drugs has expanded the horizon of its applicability against various human diseases, explicitly targeting the genetic materials. RNA-based therapeutics are widely being explored for the treatment and diagnosis of multiple diseases, including neurodegenerative disorders (NDD). Latter includes microRNA, aptamers, ribozymes, and small interfering RNAs (siRNAs), which control the gene expression mainly at the transcriptional strata. One RNA transcript translates into different protein types; hence, therapies targeted at the transcriptional sphere may have prominent and more extensive effects than alternative therapeutics. Unlike conventional gene therapy, RNAs, upon delivery, can either altogether abolish or alter the synthesis of the protein of interest, therefore, regulating their activities in a controlled and diverse manner. NDDs like Alzheimer's disease, Parkinson's disease, Huntington's disease, multiple sclerosis, Prion disease, and others are characterized by deposition of misfolded protein such as amyloid-ß, tau, α-synuclein, huntingtin and prion proteins. Neuroinflammation, one of the perquisites for neurodegeneration, is induced during neurodegenerative pathogenesis. In this review, we discuss microRNAs and aptamers' role as two different RNA-based approaches for their unique ability to regulate protein production at the transcription level, hence offering many advantages over other biologicals. The microRNA acts either by alleviating the malfunctioning RNA expression or by working as a replacement to lost microRNA. On the contrary, aptamer act as a chemical antibody and forms an aptamer-target complex.
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Affiliation(s)
- Islauddin Khan
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Balanagar, Hyderabad, Telangana, 500037, India
| | - Kumari Preeti
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Balanagar, Hyderabad, Telangana, 500037, India
| | - Valencia Fernandes
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Balanagar, Hyderabad, Telangana, 500037, India
| | - Dharmendra Kumar Khatri
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Balanagar, Hyderabad, Telangana, 500037, India.
| | - Shashi Bala Singh
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Balanagar, Hyderabad, Telangana, 500037, India.
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16
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Shu J, Yang L, Wei W, Zhang L. Identification of programmed cell death-related gene signature and associated regulatory axis in cerebral ischemia/reperfusion injury. Front Genet 2022; 13:934154. [PMID: 35991562 PMCID: PMC9385974 DOI: 10.3389/fgene.2022.934154] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 07/06/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Numerous studies have suggested that programmed cell death (PCD) pathways play vital roles in cerebral ischemia/reperfusion (I/R) injury. However, the specific mechanisms underlying cell death during cerebral I/R injury have yet to be completely clarified. There is thus a need to identify the PCD-related gene signatures and the associated regulatory axes in cerebral I/R injury, which should provide novel therapeutic targets against cerebral I/R injury. Methods: We analyzed transcriptome signatures of brain tissue samples from mice subjected to middle cerebral artery occlusion/reperfusion (MCAO/R) and matched controls, and identified differentially expressed genes related to the three types of PCD(apoptosis, pyroptosis, and necroptosis). We next performed functional enrichment analysis and constructed PCD-related competing endogenous RNA (ceRNA) regulatory networks. We also conducted hub gene analysis to identify hub nodes and key regulatory axes. Results: Fifteen PCD-related genes were identified. Functional enrichment analysis showed that they were particularly associated with corresponding PCD-related biological processes, inflammatory response, and reactive oxygen species metabolic processes. The apoptosis-related ceRNA regulatory network was constructed, which included 24 long noncoding RNAs (lncRNAs), 41 microRNAs (miRNAs), and 4 messenger RNAs (mRNAs); the necroptosis-related ceRNA regulatory network included 16 lncRNAs, 20 miRNAs, and 6 mRNAs; and the pyroptosis-related ceRNA regulatory network included 15 lncRNAs, 18 miRNAs, and 6 mRNAs. Hub gene analysis identified hub nodes in each PCD-related ceRNA regulatory network and seven key regulatory axes in total, namely, lncRNA Malat1/miR-181a-5p/Mapt, lncRNA Malat1/miR-181b-5p/Mapt, lncRNA Neat1/miR-181a-5p/Mapt, and lncRNA Neat1/miR-181b-5p/Mapt for the apoptosis-related ceRNA regulatory network; lncRNA Neat1/miR-181a-5p/Tnf for the necroptosis-related ceRNA regulatory network; lncRNA Malat1/miR-181c-5p/Tnf for the pyroptosis-related ceRNA regulatory network; and lncRNAMalat1/miR-181a-5p for both necroptosis-related and pyroptosis-related ceRNA regulatory networks. Conclusion: The results of this study supported the hypothesis that these PCD pathways (apoptosis, necroptosis, pyroptosis, and PANoptosis) and crosstalk among them might be involved in ischemic stroke and that the key nodes and regulatory axes identified in this study might play vital roles in regulating the above processes. This may offer new insights into the potential mechanisms underlying cell death during cerebral I/R injury and provide new therapeutic targets for neuroprotection.
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Affiliation(s)
| | | | - Wenshi Wei
- *Correspondence: Wenshi Wei, ; Li Zhang,
| | - Li Zhang
- *Correspondence: Wenshi Wei, ; Li Zhang,
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17
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Can U, Marzioglu E, Akdu S. Some miRNA expressions and their targets in ischemic stroke. NUCLEOSIDES, NUCLEOTIDES & NUCLEIC ACIDS 2022; 41:1224-1262. [PMID: 35876186 DOI: 10.1080/15257770.2022.2098974] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 06/15/2022] [Accepted: 07/02/2022] [Indexed: 06/15/2023]
Abstract
Ischemic stroke (IS) is a global health challenge leading to life-long disabilities or the deaths of patients. IS is a complex disease where genetic and environmental factors are both concerned with the pathophysiology of the condition. Here, we aimed to investigate various microRNA (miRNA) expressions and their targets in IS. A rapid and accurate diagnosis of acute IS is important to perform appropriate treatment. Therefore, there is a need for a more rapid and simple tool to carry out an acute diagnosis of IS. miRNAs are small RNA molecules serving as precious biomarkers due to their easy detection and stability in blood samples. The present systematic review aimed to summarize previous studies investigating several miRNA expressions and their targets in IS.
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Affiliation(s)
- Ummugulsum Can
- Department of Biochemistry, Konya City Hospital, Konya, Türkiye
| | - Ebru Marzioglu
- Department of Genetics, Konya Training and Research Hospital, Konya, Türkiye
| | - Sadinaz Akdu
- Department of Biochemistry, Fethiye State Hospital, Muğla, Turkey
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18
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Li S, Bi G, Han S, Huang R. MicroRNAs Play a Role in Parkinson’s Disease by Regulating Microglia Function: From Pathogenetic Involvement to Therapeutic Potential. Front Mol Neurosci 2022; 14:744942. [PMID: 35126050 PMCID: PMC8814625 DOI: 10.3389/fnmol.2021.744942] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 12/14/2021] [Indexed: 12/31/2022] Open
Abstract
Parkinson’s disease (PD) is a clinically common neurodegenerative disease of the central nervous system (CNS) characterized by loss of dopamine neurons in the substantia nigra. Microglia (MG), as an innate immune cell in the CNS, are involved in a variety of immunity and inflammatory responses in the CNS. A number of studies have shown that the overactivation of MG is one of the critical pathophysiological mechanisms underlying PD. MicroRNAs (miRNAs) are considered to be an important class of gene expression regulators and are involved in a variety of physiological and pathological mechanisms, including immunity and inflammation. In addition, miRNAs can affect the progress of PD by regulating the expression of various MG genes and the polarization state of the MG. Here, we summarize recent articles and describe the important role of MG pathological polarization in the progression of PD, the diverse mechanisms responsible for how miRNAs regulate MG, and the potential therapeutic prospects of miRNAs for PD. We also propose that the regulation of miRNAs may be a novel protective approach against the pathogenesis of PD.
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Affiliation(s)
- Silu Li
- Department of Rheumatology and Immunology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Guorong Bi
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Shunchang Han
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Rui Huang
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang, China
- *Correspondence: Rui Huang,
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19
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De Rosa S, Iaconetti C, Eyileten C, Yasuda M, Albanese M, Polimeni A, Sabatino J, Sorrentino S, Postula M, Indolfi C. Flow-Responsive Noncoding RNAs in the Vascular System: Basic Mechanisms for the Clinician. J Clin Med 2022; 11:jcm11020459. [PMID: 35054151 PMCID: PMC8777617 DOI: 10.3390/jcm11020459] [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: 12/15/2021] [Revised: 01/11/2022] [Accepted: 01/14/2022] [Indexed: 12/10/2022] Open
Abstract
The vascular system is largely exposed to the effect of changing flow conditions. Vascular cells can sense flow and its changes. Flow sensing is of pivotal importance for vascular remodeling. In fact, it influences the development and progression of atherosclerosis, controls its location and has a major influx on the development of local complications. Despite its importance, the research community has traditionally paid scarce attention to studying the association between different flow conditions and vascular biology. More recently, a growing body of evidence has been accumulating, revealing that ncRNAs play a key role in the modulation of several biological processes linking flow-sensing to vascular pathophysiology. This review summarizes the most relevant evidence on ncRNAs that are directly or indirectly responsive to flow conditions to the benefit of the clinician, with a focus on the underpinning mechanisms and their potential application as disease biomarkers.
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Affiliation(s)
- Salvatore De Rosa
- Department of Medical and Surgical Sciences, Magna Graecia University, 88100 Catanzaro, Italy; (C.I.); (M.Y.); (M.A.); (A.P.); (J.S.); (S.S.)
- Correspondence: (S.D.R.); (C.I.)
| | - Claudio Iaconetti
- Department of Medical and Surgical Sciences, Magna Graecia University, 88100 Catanzaro, Italy; (C.I.); (M.Y.); (M.A.); (A.P.); (J.S.); (S.S.)
| | - Ceren Eyileten
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology CePT, Medical University of Warsaw, 02-097 Warsaw, Poland; (C.E.); (M.P.)
| | - Masakazu Yasuda
- Department of Medical and Surgical Sciences, Magna Graecia University, 88100 Catanzaro, Italy; (C.I.); (M.Y.); (M.A.); (A.P.); (J.S.); (S.S.)
| | - Michele Albanese
- Department of Medical and Surgical Sciences, Magna Graecia University, 88100 Catanzaro, Italy; (C.I.); (M.Y.); (M.A.); (A.P.); (J.S.); (S.S.)
| | - Alberto Polimeni
- Department of Medical and Surgical Sciences, Magna Graecia University, 88100 Catanzaro, Italy; (C.I.); (M.Y.); (M.A.); (A.P.); (J.S.); (S.S.)
| | - Jolanda Sabatino
- Department of Medical and Surgical Sciences, Magna Graecia University, 88100 Catanzaro, Italy; (C.I.); (M.Y.); (M.A.); (A.P.); (J.S.); (S.S.)
| | - Sabato Sorrentino
- Department of Medical and Surgical Sciences, Magna Graecia University, 88100 Catanzaro, Italy; (C.I.); (M.Y.); (M.A.); (A.P.); (J.S.); (S.S.)
| | - Marek Postula
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology CePT, Medical University of Warsaw, 02-097 Warsaw, Poland; (C.E.); (M.P.)
| | - Ciro Indolfi
- Department of Medical and Surgical Sciences, Magna Graecia University, 88100 Catanzaro, Italy; (C.I.); (M.Y.); (M.A.); (A.P.); (J.S.); (S.S.)
- Mediterranea Cardiocentro, 80122 Naples, Italy
- Correspondence: (S.D.R.); (C.I.)
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20
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Garcia-Bonilla L, Iadecola C, Anrather J. Inflammation and Immune Response. Stroke 2022. [DOI: 10.1016/b978-0-323-69424-7.00010-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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21
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Qi X, Lin H, Hou Y, Su X, Gao Y. Comprehensive Analysis of Potential miRNA-Target mRNA-Immunocyte Subtype Network in Cerebral Infarction. Eur Neurol 2021; 85:148-161. [PMID: 34544080 DOI: 10.1159/000518893] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 07/27/2021] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Cerebral infarction (CI) is one of the leading causes of serious long-term disability and mortality. OBJECTIVE We aimed to identify potential miRNAs and target mRNAs and assess the involvement of immunocyte infiltration in the process of CI. METHODS First, miRNA and mRNA data were downloaded from the Gene Expression Omnibus database, followed by differential expression analysis. Second, correlation analysis between differentially expressed mRNAs and differential immunocyte subtypes was performed through the CIBERSORT algorithm. Third, the regulatory network between miRNAs and immunocyte subtype-related mRNAs was constructed followed by the functional analysis of these target mRNAs. Fourth, correlation validation between differentially expressed mRNAs and differential immunocyte subtypes was performed in the GSE37587 dataset. Finally, the diagnostic ability of immunocyte subtype-related mRNAs was tested. RESULTS Up to 17 differentially expressed miRNAs and 3,267 differentially expressed mRNAs were identified, among which 310 differentially expressed mRNAs were significantly associated with immunocyte subtypes. Several miRNA-target mRNA-immunocyte subtype networks including hsa-miR-671-3p-ZC3HC1-neutrophils, hsa-miR-625-CD5-monocytes, hsa-miR-122-ACOX1/DUSP1/NEDD9-neutrophils, hsa-miR-455-5p-SLC24A4-monocytes, and hsa-miR-455-5p-SORL1-neutrophils were identified. LAT, ACOX1, DUSP1, NEDD9, ZC3HC1, BIN1, AKT1, DNMT1, SLC24A4, and SORL1 had a potential diagnostic value for CI. CONCLUSIONS The network including miRNA, target mRNA, and immunocyte subtype may be novel regulators and diagnostic and therapeutic targets in CI.
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Affiliation(s)
- Xiuyan Qi
- Department of Neurology, Shijiazhuang People's Hospital, Shijiazhuang, China
| | - Huiqian Lin
- Department of Neurology, Shijiazhuang People's Hospital, Shijiazhuang, China
| | - Yongge Hou
- Department of Neurology, Shijiazhuang People's Hospital, Shijiazhuang, China
| | - Xiaohui Su
- Department of Neurology, Shijiazhuang People's Hospital, Shijiazhuang, China
| | - Yanfang Gao
- Clinical Laboratory, Hebei Red Cross Boai Hospital, Shijiazhuang, China
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22
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MicroRNA Expression Profiles in Autism Spectrum Disorder: Role for miR-181 in Immunomodulation. J Pers Med 2021; 11:jpm11090922. [PMID: 34575699 PMCID: PMC8469245 DOI: 10.3390/jpm11090922] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 09/07/2021] [Accepted: 09/15/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND MicroRNAs (miRNAs) are important regulators of molecular pathways in psychiatric disease. Here, we examine differential miRNAs expression in lymphoblastoid cell lines (LCLs) derived from 10 individuals with autism spectrum disorder (ASD) and compare them to seven typically developing unrelated age- and gender-matched controls and 10 typically developing siblings. Small RNAseq analysis identified miRNAs, and selected miRNAs were validated using quantitative real-time polymerase reaction (qRT-PCR). KEGG analysis identified target pathways, and selected predicted mRNAs were validated using qRT-PCR. RESULTS Small RNAseq analysis identified that multiple miRNAs differentiated ASD from unrelated controls and ASD from typically developing siblings, with only one, hsa-miR-451a_R-1, being in common. Verification with qRT-PCR showed that miR-320a differentiated ASD from both sibling and unrelated controls and that several members of the miR-181 family differentiated ASD from unrelated controls. Differential expression of AKT2, AKT3, TNF α and CamKinase II predicted by KEGG analysis was verified by qRT-PCR. Expression of CamKinase II βwas found to be correlated with the severity of stereotyped behavior of the ASD participants. CONCLUSIONS This study provides insight into the mechanisms regulating molecular pathways in individuals with ASD and identifies differentiated regulated genes involved in both the central nervous system and the immune system.
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23
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Solly EL, Psaltis PJ, Bursill CA, Tan JTM. The Role of miR-181c in Mechanisms of Diabetes-Impaired Angiogenesis: An Emerging Therapeutic Target for Diabetic Vascular Complications. Front Pharmacol 2021; 12:718679. [PMID: 34483928 PMCID: PMC8414254 DOI: 10.3389/fphar.2021.718679] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 08/06/2021] [Indexed: 12/13/2022] Open
Abstract
Diabetes mellitus is estimated to affect up to 700 million people by the year 2045, contributing to an immense health and economic burden. People living with diabetes have a higher risk of developing numerous debilitating vascular complications, leading to an increased need for medical care, a reduced quality of life and increased risk of early death. Current treatments are not satisfactory for many patients who suffer from impaired angiogenesis in response to ischaemia, increasing their risk of ischaemic cardiovascular conditions. These vascular pathologies are characterised by endothelial dysfunction and abnormal angiogenesis, amongst a host of impaired signaling pathways. Therapeutic stimulation of angiogenesis holds promise for the treatment of diabetic vascular complications that stem from impaired ischaemic responses. However, despite significant effort and research, there are no established therapies that directly stimulate angiogenesis to improve ischaemic complications such as ischaemic heart disease and peripheral artery disease, highlighting the immense unmet need. However, despite significant effort and research, there are no established therapies that directly stimulate angiogenesis in a clinical setting, highlighting the immense unmet need. MicroRNAs (miRNAs) are emerging as powerful targets for multifaceted diseases including diabetes and cardiovascular disease. This review highlights the potential role of microRNAs as therapeutic targets for rescuing diabetes-impaired angiogenesis, with a specific focus on miR-181c, which we have previously identified as an important angiogenic regulator. Here we summarise the pathways currently known to be regulated by miR-181c, which include the classical angiogenesis pathways that are dysregulated in diabetes, mitochondrial function and axonal guidance, and describe how these relate both directly and indirectly to angiogenesis. The pleiotropic actions of miR-181c across multiple key angiogenic signaling pathways and critical cellular processes highlight its therapeutic potential as a novel target for treating diabetic vascular complications.
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Affiliation(s)
- Emma L Solly
- Vascular Research Centre, Lifelong Health Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia.,Adelaide Medical School, The University of Adelaide, Adelaide, SA, Australia
| | - Peter J Psaltis
- Vascular Research Centre, Lifelong Health Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia.,Adelaide Medical School, The University of Adelaide, Adelaide, SA, Australia
| | - Christina A Bursill
- Vascular Research Centre, Lifelong Health Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia.,Adelaide Medical School, The University of Adelaide, Adelaide, SA, Australia.,ARC Centre of Excellence for Nanoscale BioPhotonics, The University of Adelaide, Adelaide, SA, Australia
| | - Joanne T M Tan
- Vascular Research Centre, Lifelong Health Theme, South Australian Health and Medical Research Institute, Adelaide, SA, Australia.,Adelaide Medical School, The University of Adelaide, Adelaide, SA, Australia
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24
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Morrison KR, Solly EL, Shemesh T, Psaltis PJ, Nicholls SJ, Brown A, Bursill CA, Tan JTM. Elevated HDL-bound miR-181c-5p level is associated with diabetic vascular complications in Australian Aboriginal people. Diabetologia 2021; 64:1402-1411. [PMID: 33651121 DOI: 10.1007/s00125-021-05414-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 01/05/2021] [Indexed: 12/17/2022]
Abstract
AIMS/HYPOTHESIS Diabetes is a major burden on Australia's Indigenous population, with high rates of disease and vascular complications. Diabetic vascular complications are associated with impaired ischaemia-driven angiogenesis. MicroRNAs (miRNAs) are key players in the regulation of angiogenesis. HDL-cholesterol (HDL-c) levels are inversely associated with the risk of developing diabetic complications and HDL can carry miRNAs. HDL-miRNA profiles differ in disease states and may present as biomarkers with the capacity to act as bioactive signalling molecules. Recent studies have demonstrated that HDL becomes dysfunctional in a diabetic environment, losing its vasculo-protective effects and becoming more pro-atherogenic. We sought to determine whether HDL-associated miRNA profiles and HDL functionality were predictive of the severity of diabetic vascular complications in Australia's Indigenous population. METHODS HDL was isolated from plasma samples from Indigenous participants without diabetes ('Healthy'), with type 2 diabetes mellitus ('T2DM') and with diabetes-associated macrovascular complications (specifically peripheral artery disease, 'T2DM+Comp'). To assess HDL angiogenic capacity, human coronary artery endothelial cells were treated with PBS, reconstituted HDL (rHDL, positive control) or isolated HDL and then exposed to high-glucose (25 mmol/l) conditions. The expression levels of two anti-angiogenic miRNAs (miR-181c-5p and miR-223-3p) and one pro-angiogenic miRNA (miR-27b-3p) were measured in the HDL fraction, plasma and treated human coronary artery endothelial cells by quantitative real-time PCR. In vitro endothelial tubule formation was assessed using the Matrigel tubulogenesis assay. RESULTS Strikingly, we found that the levels of the anti-angiogenic miRNA miR-181c-5p were 14-fold higher (1454 ± 1346%) in the HDL from Aboriginal people with diabetic complications compared with both the Healthy (100 ± 121%, p < 0.05) and T2DM (82 ± 77%, p < 0.05) groups. Interestingly, we observed a positive correlation between HDL-associated miR-181c-5p levels and disease severity (p = 0.0020). Under high-glucose conditions, cells treated with rHDL, Healthy HDL and T2DM HDL had increased numbers of tubules (rHDL: 136 ± 8%, p < 0.01; Healthy HDL: 128 ± 6%, p < 0.01; T2DM HDL: 124 ± 5%, p < 0.05) and branch points (rHDL: 138 ± 8%, p < 0.001; Healthy HDL: 128 ± 6%, p < 0.01; T2DM HDL: 127 ± 5%, p < 0.01) concomitant with elevations in mRNA levels of the key hypoxia angiogenic transcription factor HIF1A (rHDL: 140 ± 10%, p < 0.01; Healthy HDL: 136 ± 8%, p < 0.01; T2DM HDL: 133 ± 9%, p < 0.05). However, this increase in angiogenic capacity was not observed in cells treated with T2DM + Comp HDL (tubule numbers: 113 ± 6%, p = 0.32; branch points: 113 ± 5%, p = 0.28; HIF1A: 117 ± 6%, p = 0.43), which could be attributed to the increase in cellular miR-181c-5p levels (T2DM + Comp HDL: 136 ± 7% vs PBS: 100 ± 9%, p < 0.05). CONCLUSIONS/INTERPRETATION In conclusion, HDL from Aboriginal people with diabetic complications had reduced angiogenic capacity. This impairment is associated with an increase in the expression of anti-angiogenic miR-181c-5p. These findings provide the rationale for a new way to better inform clinical diagnosis of disease severity with the potential to incorporate targeted, personalised HDL-miRNA intervention therapies to prevent further development of, or to reverse, diabetic vascular complications in Australian Aboriginal people.
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Affiliation(s)
- Kaitlin R Morrison
- South Australian Health and Medical Research Institute, Adelaide, SA, Australia
- College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
| | - Emma L Solly
- South Australian Health and Medical Research Institute, Adelaide, SA, Australia
- Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia
| | - Tomer Shemesh
- South Australian Health and Medical Research Institute, Adelaide, SA, Australia
| | - Peter J Psaltis
- South Australian Health and Medical Research Institute, Adelaide, SA, Australia
- Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia
| | - Stephen J Nicholls
- Monash Cardiovascular Research Centre, Victorian Heart Institute, Monash University, Melbourne, VIC, Australia
| | - Alex Brown
- South Australian Health and Medical Research Institute, Adelaide, SA, Australia
- College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
- Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia
| | - Christina A Bursill
- South Australian Health and Medical Research Institute, Adelaide, SA, Australia
- Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia
| | - Joanne T M Tan
- South Australian Health and Medical Research Institute, Adelaide, SA, Australia.
- Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia.
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25
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Liu Y, Sun H, Sun Y. LncRNA p21, downregulating miR-181b, aggravates neuropathic pain by upregulating Tnfaip1 and inhibit the AKT/CREB axis. Brain Res Bull 2021; 171:150-161. [PMID: 33774143 DOI: 10.1016/j.brainresbull.2021.03.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 03/04/2021] [Accepted: 03/08/2021] [Indexed: 11/28/2022]
Abstract
Recently, there is evidence that long non-coding RNA p21 may play a regulatory role in the development of neuropathic pain (NPP), but it remains to be studied. In this study, we found that lncRNA p21 and tumor necrosis factor alpha-induced protein 1 (Tnfaip1) expression were up-regulated and miR-181b expression was down-regulated in lipopolysaccharide (LPS)-induced and activated BV-2 microglia. The results of flow cytometry and ELISA suggested that overexpression of lncRNA p21 or Tnfaip1 promoted apoptosis and inflammatory factors secretion, and miR-181b overexpression inhibited apoptosis and secretion of inflammatory factors. Luciferase reporter gene analysis validated the adsorption of miR-181b by lncRNA p21. In addition, the targeting relationship between miR-181b and Tnfaip1 was determined. Next, the up-regulation of lncRNA p21 and miR-181b was used as a reversal experiment, and the results suggested that the up-regulation of miR-181b attenuated the promoting effect of lncRNA p21 and Tnfaip1 on apoptosis and inflammatory response, which may be related to the activation of AKT/cAMP response element binding protein (CREB) axis. Finally, the rat model of SNL with lncRNA p21 knockdown was constructed, and the results of paw retraction mechanical threshold (PWMT) and paw retraction thermal latency (PWTL) measurements showed that knockdown of lncRNA p21 alleviated neuropathic pain in rats. In conclusion, our study found that the lncRNA p21/miR-181b/Tnfaip1 axis probably plays an important role in the progression of neuropathic pain, among which lncRNA p21 may become a new insight in the treatment of neuropathic pain.
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Affiliation(s)
- Yan Liu
- Department of Anesthesiology, China-Japan Union Hospital of Jilin University, Changchun, 130033, Jilin, China
| | - Hai Sun
- Department of Anesthesiology, China-Japan Union Hospital of Jilin University, Changchun, 130033, Jilin, China
| | - Yan Sun
- Department of Anesthesiology, China-Japan Union Hospital of Jilin University, Changchun, 130033, Jilin, China.
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26
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Song W, Wang T, Shi B, Wu Z, Wang W, Yang Y. Neuroprotective effects of microRNA-140-5p on ischemic stroke in mice via regulation of the TLR4/NF-κB axis. Brain Res Bull 2021; 168:8-16. [PMID: 33246036 DOI: 10.1016/j.brainresbull.2020.10.020] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 10/14/2020] [Accepted: 10/20/2020] [Indexed: 02/09/2023]
Abstract
BACKGROUND AND AIM Ischemic stroke is one of the main causes of death worldwide and permanent global disability. On the basis of existing literature data, the study was carried out in an effort to explore how miR-140-5p affects ischemic stroke and whether the mechanism relates to toll-like receptor-4 (TLR4) and nuclear factor-kappa B (NF-κB). METHODS Firstly, middle cerebral artery occlusion (MCAO) was performed to establish mouse models of ischemic stroke in vivo, while primary neurons were exposed to oxygen-glucose deprivation (OGD) to set up an ischemic stroke model in vitro. RT-qPCR was then applied to detect the miR-140-5p expression patterns, whereas Western blot was adopted to detect the expression patterns of TLR4, NF-κB, and apoptosis-related factors. In addition, based gain-function of experiments using miR-140-5p mimic and TLR4 over-expression plasmid, neurological function score, TTC staining, TUNEL staining, as well as flow cytometry were carried out to evaluate the effects of miR-140-5p and TLR4 on MCAO mice and OGD neurons. Moreover, dual-luciferase reporter assay was applied to validate the targeting relationship between miR-140-5p and TLR4. RESULTS Initial findings revealed that miR-140-5p was poorly-expressed, while TLR4 was highly-expressed in ischemic stroke. It was verified that miR-140-5p targeted TLR4 and downregulated its expression. MiR-140-5p over-expression was observed to inhibit the apoptosis of neurons under OGD exposure and restrain the progression of ischemic stroke, while TLR4 over-expression promoted the apoptosis and disease progression. Besides, miR-140-5p over-expression led to a decrease in NF-κB protein levels, which were increased by TLR4 over-expression. CONCLUSION In conclusion, our data indicates that miR-140-5p over-expression may be instrumental for the therapeutic targeting of ischemic stroke by alleviating neuron injury with the involvement of the TLR4/NF-κB axis.
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Affiliation(s)
- Wenjun Song
- Department of Neurology, The Second Affiliated Hospital of Lanzhou University, Lanzhou, 730030, PR China.
| | - Tiancheng Wang
- Department of Neurology, The Second Affiliated Hospital of Lanzhou University, Lanzhou, 730030, PR China
| | - Bei Shi
- Department of Neurology, The Second Affiliated Hospital of Lanzhou University, Lanzhou, 730030, PR China
| | - Zhijun Wu
- Department of Neurology, The Second Affiliated Hospital of Lanzhou University, Lanzhou, 730030, PR China
| | - Wenjie Wang
- Department of Neurology, The Second Affiliated Hospital of Lanzhou University, Lanzhou, 730030, PR China
| | - Yanhong Yang
- Department of Neurology, The Second Affiliated Hospital of Lanzhou University, Lanzhou, 730030, PR China
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27
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Lian L, Zhang Y, Liu L, Yang L, Cai Y, Zhang J, Xu S. Neuroinflammation in Ischemic Stroke: Focus on MicroRNA-mediated Polarization of Microglia. Front Mol Neurosci 2021; 13:612439. [PMID: 33488360 PMCID: PMC7817943 DOI: 10.3389/fnmol.2020.612439] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 11/30/2020] [Indexed: 12/19/2022] Open
Abstract
Ischemic stroke is one of the most common causes of death and disability worldwide. Neuroinflammation is a major pathological event involved in the process of ischemic injury and repair. In particular, microglia play a dual role in neuroinflammation. During the acute phase of stroke onset, M2 microglia are the dominant phenotype and exert protective effects on neuronal cells, whereas permanent M1 microglia contribute to prolonged inflammation and are detrimental to brain tissue. Emerging evidence indicates that microRNAs (miRNAs) may have regulatory effects on microglia-associated inflammation. Thus, we briefly reviewed the dynamic response of microglia after a stroke and assessed how specific miRNAs affect the behavior of reactive microglia. We concluded that miRNAs may be useful novel therapeutic targets to improve stroke outcomes and modulate neuroinflammation.
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Affiliation(s)
- Lu Lian
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, Tianjin, China.,Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yunsha Zhang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Lu Liu
- Binhai New Area Hospital of TCM. Tian Jin, Fourth Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Liji Yang
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, Tianjin, China.,Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yichen Cai
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, Tianjin, China.,Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Junping Zhang
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, Tianjin, China
| | - Shixin Xu
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, Tianjin, China
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28
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Li Z, Song Y, He T, Wen R, Li Y, Chen T, Huang S, Wang Y, Tang Y, Shen F, Tian HL, Yang GY, Zhang Z. M2 microglial small extracellular vesicles reduce glial scar formation via the miR-124/STAT3 pathway after ischemic stroke in mice. Am J Cancer Res 2021; 11:1232-1248. [PMID: 33391532 PMCID: PMC7738903 DOI: 10.7150/thno.48761] [Citation(s) in RCA: 90] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 10/01/2020] [Indexed: 12/23/2022] Open
Abstract
Rationale: Glial scars present a major obstacle for neuronal regeneration after stroke. Thus, approaches to promote their degradation and inhibit their formation are beneficial for stroke recovery. The interaction of microglia and astrocytes is known to be involved in glial scar formation after stroke; however, how microglia affect glial scar formation remains unclear. Methods: Mice were treated daily with M2 microglial small extracellular vesicles through tail intravenous injections from day 1 to day 7 after middle cerebral artery occlusion. Glial scar, infarct volume, neurological score were detected after ischemia. microRNA and related protein were examined in peri-infarct areas of the brain following ischemia. Results: M2 microglial small extracellular vesicles reduced glial scar formation and promoted recovery after stroke and were enriched in miR-124. Furthermore, M2 microglial small extracellular vesicle treatment decreased the expression of the astrocyte proliferation gene signal transducer and activator of transcription 3, one of the targets of miR-124, and glial fibrillary acidic protein and inhibited astrocyte proliferation both in vitro and in vivo. It also decreased Notch 1 expression and increased Sox2 expression in astrocytes, which suggested that astrocytes had transformed into neuronal progenitor cells. Finally, miR-124 knockdown in M2 microglial small extracellular vesicles blocked their effects on glial scars and stroke recovery. Conclusions: Our results showed, for the first time, that microglia regulate glial scar formation via small extracellular vesicles, indicating that M2 microglial small extracellular vesicles could represent a new therapeutic approach for stroke.
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Zeng Z, Ma H, Chen J, Huang N, Zhang Y, Su Y, Zhang H. Knockdown of miR-1275 protects against cardiomyocytes injury through promoting neuromedin U type 1 receptor. Cell Cycle 2020; 19:3639-3649. [PMID: 33323026 DOI: 10.1080/15384101.2020.1860310] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
The present study aimed to assess the role of miR-1275 in cardiac ischemia reperfusion injury. H9 human embryonic stem cell (hESC)-derived cardiomyocytes stimulated by oxygen-glucose deprivation/reoxygenation (OGD/R) were used to simulate myocardial injury in vitro. miR-1275 expression levels in cells were measured by RT-qPCR. The release of lactate dehydrogenase (LDH) and creatine kinase (CK) was examined through LDH and CK ELISA kits. Cell apoptosis was detected through flow cytometry. A Fura-2 Calcium Flux Assay Kit and a Fluo-4 assay kit were used to determine the Ca2+ concentration. Expression levels of proteins were tested by Western blotting. The binding effect of miR-1275 and neuromedin U type 1 receptor (NMUR1) was detected by dual-luciferase activity assay. The results showed that miR-1275 was upregulated in OGD/R-stimulated cardiomyocytes. Inhibition of miR-1275 suppressed the increased activity of LDH and CK, cell apoptosis, reactive oxygen species (ROS) production, intracellular Ca2+ concentration and sarcoplasmic reticulum (SR) Ca2+ leak induced by OGD/R treatment in cardiomyocytes. miR-1275 directly targets 3'UTR of NMUR1 and negatively regulates NMUR1 expression. Silence of NMUR1 abolished the protecting effect of the miR-1275 antagomir on myocardial OGD/R injury. Our study indicated that the miR-1275 antagomir protects cardiomyocytes from OGD/R injury through the promotion of NMUR1.
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Affiliation(s)
- Zhu Zeng
- Department of Emergency, The Affiliated Children Hospital of Xi'an Jiaotong University , Xi'an, Shaanxi, China
| | - Haixin Ma
- Medical Department, The Affiliated Children Hospital of Xi'an Jiaotong University , Xi'an, Shaanxi, China
| | - Jing Chen
- Department of Emergency, The Affiliated Children Hospital of Xi'an Jiaotong University , Xi'an, Shaanxi, China
| | - Nina Huang
- Department of Emergency, The Affiliated Children Hospital of Xi'an Jiaotong University , Xi'an, Shaanxi, China
| | - Yudan Zhang
- Department of Emergency, The Affiliated Children Hospital of Xi'an Jiaotong University , Xi'an, Shaanxi, China
| | - Yufei Su
- Department of Emergency, The Affiliated Children Hospital of Xi'an Jiaotong University , Xi'an, Shaanxi, China
| | - Huifang Zhang
- Department of Emergency, The Affiliated Children Hospital of Xi'an Jiaotong University , Xi'an, Shaanxi, China
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30
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Nuclear heme oxygenase-1 improved the hypoxia-mediated dysfunction of blood-spinal cord barrier via the miR-181c-5p/SOX5 signaling pathway. Neuroreport 2020; 32:112-120. [PMID: 33290309 DOI: 10.1097/wnr.0000000000001568] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Our previous study demonstrated that adenovirus-delivered GFP nuclear heme oxygenase-1 (nuclear HO-1, NHO-1) fragments lacking 23 amino acids at the C-terminus (Ad-GFP-HO-1C[INCREMENT]23) showed the potential therapeutic effects mediated by its improvement of the blood-spinal cord barrier (BSCB) integrity. However, the NHO-1-mediated molecular mechanism in regulating the BSCB function remains unclear. The BSCB model in vitro was established via a coculture of primary rat brain microvascular endothelial cells (RBMECs) and spinal cord astrocytes on transwell system. NHO-1 markedly reduced the disruption of the BSCB integrity induced by hypoxia. And NHO-1 significantly attenuated the expression of miR-181c-5p, but increased the expression level of SOX5 protein. miR-181c-5p was shown as an essential miRNA for increasing the BSCB permeability under hypoxia condition. Furthermore, we identified that miR-181c-5p could regulate the expression of SOX5 through binding to the 3'-UTR of its mRNA. And the decreased BSCB permeability and upregulation of tight junction (TJ) protein expression induced by NHO-1 could be partly reversed by the inhibition of SOX5 or miR-181c-5p (+). The present study results provide a better understanding of the molecular mechanisms induced by NHO-1 in improving the BSCB integrity, which is associated with the regulation of miR-181c-5p/SOX5/TJ signaling pathway.
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31
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He T, Li W, Song Y, Li Z, Tang Y, Zhang Z, Yang GY. Sestrin2 regulates microglia polarization through mTOR-mediated autophagic flux to attenuate inflammation during experimental brain ischemia. J Neuroinflammation 2020; 17:329. [PMID: 33153476 PMCID: PMC7643276 DOI: 10.1186/s12974-020-01987-y] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 10/07/2020] [Indexed: 02/06/2023] Open
Abstract
Background Neuroinflammation is the major pathogenesis of cerebral ischemia. Microglia are activated and polarized to either the pro-inflammatory M1 phenotype or anti-inflammatory M2 phenotype, which act as a critical mediator of neuroinflammation. Sestrin2 has pro-survival properties against ischemic brain injury. However, whether sestrin2 has an anti-inflammatory function by shifting microglia polarization and its underlying mechanism is unknown. Methods Adult male C57BL/6 mice (N = 108) underwent transient middle cerebral artery occlusion (tMCAO) and were treated with exogenous sestrin2. Neurological deficit scores and infarct volume were determined. Cell apoptosis was examined by TUNEL staining and Western blotting. The expression of inflammatory mediators, M1/M2-specific markers, and signaling pathways were detected by reverse transcription-polymerase chain reaction, immunostaining, and Western blotting. To explore the underlying mechanism, primary neurons were subjected to oxygen-glucose deprivation (OGD) and then treated with oxygenated condition medium of BV2 cells incubated with different doses of sestrin2. Results Sestrin2 attenuated the neurological deficits, infarction volume, and cell apoptosis after tMCAO compared to those in the control (p < 0.05). Sestrin2 had an anti-inflammatory effect and could suppress M1 microglia polarization and promote M2 microglia polarization. Condition medium from BV2 cells cultured with sestrin2 reduced neuronal apoptosis after OGD in vitro. Furthermore, we demonstrated that sestrin2 drives microglia to the M2 phenotype by inhibiting the mammalian target of rapamycin (mTOR) signaling pathway and restoring autophagic flux. Conclusions Sestrin2 exhibited neuroprotection by shifting microglia polarization from the M1 to M2 phenotype in ischemic mouse brain, which may be due to suppression of the mTOR signaling pathway and the restoration of autophagic flux.
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Affiliation(s)
- Tingting He
- Department of Neurology, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200025, China.,School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, 200000, China
| | - Wanlu Li
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, 200000, China
| | - Yaying Song
- Department of Neurology, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200025, China.,School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, 200000, China
| | - Zongwei Li
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, 200000, China
| | - Yaohui Tang
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, 200000, China
| | - Zhijun Zhang
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, 200000, China.
| | - Guo-Yuan Yang
- Department of Neurology, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200025, China. .,School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, 200000, China.
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MiR-181c-5p Promotes Inflammatory Response during Hypoxia/Reoxygenation Injury by Downregulating Protein Tyrosine Phosphatase Nonreceptor Type 4 in H9C2 Cardiomyocytes. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:7913418. [PMID: 32774684 PMCID: PMC7399766 DOI: 10.1155/2020/7913418] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 05/25/2020] [Accepted: 06/29/2020] [Indexed: 12/31/2022]
Abstract
Background Constitutive nuclear factor kappa B (NFκB) activation has been shown to exacerbate during myocardial ischemia/reperfusion (I/R) injury. We recently showed that miR-181c-5p exacerbated cardiomyocytes injury and apoptosis by directly targeting the 3′-untranslated region of protein tyrosine phosphatase nonreceptor type 4 (PTPN4). However, whether miR-181c-5p mediates cardiac I/R injury through NFκB-mediated inflammation is unknown. Thus, the present study aimed to investigate the role of miR-181c-5p during myocardial I/R injury and explore its mechanism in relation to inflammation in H9C2 cardiomyocytes. Methods and Results In hypoxia/reoxygenation (H/R, 6 h hypoxia followed by 6 h reoxygenation)-stimulated H9C2 cardiomyocytes or postischemic myocardium of rat, the expression of miR-181c-5p was significantly upregulated, which was concomitant increased NFκB activity when compared to the nonhypoxic or nonischemic control groups. This is indicative that miR-181c-5p may be involved in NFκB-mediated inflammation during myocardial I/R injury. To investigate the potential role of miR-181c-5p in H/R-induced cell inflammation and injury, H9C2 cardiomyocytes were transfected with the miR-181c-5p agomir. Overexpression of miR-181c-5p significantly aggravated H/R-induced cell injury (increased lactate dehydrogenase (LDH) level) and exacerbated NFκB-mediated inflammation (greater phosphorylation and degradation of IκBα, phosphorylation of p65, and increased levels of proinflammatory cytokines tumor necrosis factor α (TNFα), interleukin (IL)-6, and IL-1β). In contrast, inhibition of miR-181c-5p by its antagomir transfection in vitro had the opposite effect. Furthermore, overexpression of miR-181c-5p significantly enhanced lipopolysaccharide-induced NFκB signalling. Additionally, knockdown of PTPN4, the direct target of miR-181c-5p, significantly aggravated H/R-induced phosphorylation and degradation of IκBα, phosphorylation of p65, and the levels of proinflammatory cytokines. PTPN4 knockdown also cancelled miR-181c-5p antagomir mediated anti-inflammatory effects in H9C2 cardiomyocytes during H/R injury. Conclusions It is concluded that miR-181c-5p may exacerbate myocardial I/R injury and NFκB-mediated inflammation via PTPN4, and that targeting miR-181c-5p/PTPN4/NFκB signalling may represent a novel strategy to combat myocardial I/R injury.
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Non-coding RNAs in Ischemic Stroke: Roles in the Neuroinflammation and Cell Death. Neurotox Res 2020; 38:564-578. [DOI: 10.1007/s12640-020-00236-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 05/10/2020] [Accepted: 06/07/2020] [Indexed: 12/11/2022]
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Sun S, Li L, Dong L, Cheng J, Zhao C, Bao C, Wang H. Circulating mRNA and microRNA profiling analysis in patients with ischemic stroke. Mol Med Rep 2020; 22:792-802. [PMID: 32626985 PMCID: PMC7339759 DOI: 10.3892/mmr.2020.11143] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 12/03/2019] [Indexed: 12/15/2022] Open
Abstract
To provide insight into molecular diagnosis and individualized treatment of ischemic stroke (IS), several available datasets in IS were analyzed to identify the differentially expressed genes and microRNAs (miRNAs). Series matrix files from GSE22255 and GSE16561 (mRNA profiles), a well as GSE110993 (miRNA profile) were downloaded from the Gene Expression Omnibus database. System-level clustering was performed with GeneCluster 3.0 software, and gene annotation and pathway enrichment were performed with gene ontology analysis and Database for Annotation, Visualization and Integrated Discovery software. For a protein-protein interaction (PPI) network, Biological General Repository for Interaction Datasets and IntAct interaction information were integrated to determine the interaction of differentially expressed genes. The selected miRNA candidates were imported into the TargetScan, miRDB and miRecords databases for the prediction of target genes. The present study identified 128 upregulated and 231 downregulated genes in female stroke patients, and 604 upregulated and 337 downregulated genes in male stroke patients compared with sex- and age-matched controls. The construction of a PPI network demonstrated that male stroke patients exhibited YWHAE, CUL3 and JUN as network center nodes, and in female patients CYLD, FOS and PIK3R1 interactions were the strongest. Notably, these interactions are mainly involved in immune inflammatory response, apoptosis and other biological pathways, such as blood coagulation. Female and male upregulated genes were cross-validated with another set of Illumina HumanRef-8 v3.0 expression beadchip (GSE16561). Functional item association networks, gene function networks and transcriptional regulatory networks were successfully constructed, and the relationships between miRNAs and target genes were successfully predicted. The present study identified a number of transcription factors, including DEFA1, PDK4, SDPR, TCN1 and MMP9, and miRNAs, including miRNA (miR)-21, miR-143/145, miR-125-5p and miR-122, which may serve important roles in the development of cerebral stroke and may be important molecular indicators for the treatment of IS.
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Affiliation(s)
- Sujuan Sun
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei 050050, P.R. China
| | - Litao Li
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei 050050, P.R. China
| | - Lipeng Dong
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei 050050, P.R. China
| | - Jinming Cheng
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei 050050, P.R. China
| | - Congying Zhao
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei 050050, P.R. China
| | - Chu Bao
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei 050050, P.R. China
| | - Hebo Wang
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei 050050, P.R. China
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Downregulation of Microrna-421 Relieves Cerebral Ischemia/Reperfusion Injuries: Involvement of Anti-apoptotic and Antioxidant Activities. Neuromolecular Med 2020; 22:411-419. [PMID: 32385800 DOI: 10.1007/s12017-020-08600-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 04/15/2020] [Indexed: 10/24/2022]
Abstract
Reperfusion after cerebral ischemia causes additional ischemic injuries due to sudden recovery of blood supply. It usually produces excessive reactive species, mitochondrial dysfunction, oxidative stress, and cell apoptosis. Our study is designed to examine the role of miR-421 antagomir in cerebral ischemia/reperfusion injuries, as well as its underlying mechanisms. Middle cerebral artery occlusion (MCAO) model was performed with male Sprague Dawley (SD) rats for the initiation of cerebral ischemia/reperfusion injuries. Malondialdehyde (oxidative stress marker) and superoxide dismutase (antioxidant enzyme) were measured as indicators for oxidative stress. Flow cytometry was utilized to evaluate the cell apoptosis effects from miR-421. miR-421 antagomir significantly decreased neurological deficits and infarction volumes. It also downregulated malondialdehyde contents, upregulated superoxide dismutase activities, promoted the expressions of myeloid cells leukemia-1 and B cells lymphoma-2, and downregulated the expressions of Bax in the ischemic cortex. In addition, miR-421targeted MCL1 to exert its biological functions. Our study indicated the neuroprotection effects of miR-421 antagomir on cerebral I/R injuries, which involved the suppression of cell apoptosis and oxidative stress. MiR-421 might provide a new therapeutic direction for ischemia/reperfusion injuries.
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Ruan ZF, Xie M, Gui SJ, Lan F, Wan J, Li Y. MiR-370 accelerated cerebral ischemia reperfusion injury via targeting SIRT6 and regulating Nrf2/ARE signal pathway. Kaohsiung J Med Sci 2020; 36:741-749. [PMID: 32311231 DOI: 10.1002/kjm2.12219] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 03/20/2020] [Accepted: 03/23/2020] [Indexed: 12/11/2022] Open
Abstract
Cerebral ischemia reperfusion (CIR) is one of the highly lethal diseases in the world. MicroRNA-370 (miR-370) exerts multiple functions in different diseases. However, further research is needed to investigate the potential role of miR-370 in CIR injury. The in vivo middle cerebral artery occlusion (MCAO) rat model and in vitro oxygen-glucose deprivation/reoxygenation (OGD/R) SH-SY5Y cell model were successfully established to mimic CIR injury. The infarct sizes of brain tissues from rats were evaluated. The relationship between miR-370 and silencing information regulatory protein 6 (SIRT6) was confirmed by luciferase activity assay. The cell viability and apoptosis were determined by CCK-8 assay and terminal-deoxynucleoitidyl transferase mediated nick end labeling staining. In this study, miR-370 was upregulated in brain tissues of MCAO rats and knockdown of miR-370 decreased cerebral infarction volume of MCAO rats and it alleviated CIR injury in vivo. The in vitro experiments indicated that knockdown of miR-370 promoted cell viability and alleviated OGD/R-induced SH-SY5Y cell apoptosis. Additionally, the TargetScan predicted that SIRT6 was a target of miR-370 and confirmed by luciferase activity assay. Moreover, miR-370 inhibited SIRT6 expression and regulated Nrf2/ARE signal pathway, whereas overexpression of SIRT6 partly reversed the effect of miR-370 on OGD/R-induced SH-SY5Y cell injury. Thus, we could conclude that miR-370 accelerated CIR injury via targeting SIRT6 and regulating Nrf2/ARE signal pathway, which might provide novel therapeutic targets for CIR injury treatment.
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Affiliation(s)
- Zhong-Fan Ruan
- Department of Neurology, The First Affiliated Hospital of University of South China, Hengyang City, Hunan Province, China
| | - Ming Xie
- Department of Neurology, The First Affiliated Hospital of University of South China, Hengyang City, Hunan Province, China
| | - Shu-Jia Gui
- Department of Neurology, Affiliated Nanhua Hospital, University of South China, Hengyang City, Hunan Province, China
| | - Fang Lan
- Department of Neurology, The First Affiliated Hospital of University of South China, Hengyang City, Hunan Province, China
| | - Juan Wan
- Department of Neurology, The First Affiliated Hospital of University of South China, Hengyang City, Hunan Province, China
| | - Yan Li
- Department of Anesthesiology, Affiliated Nanhua Hospital, University of South China, Hengyang City, Hunan Province, China
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Saralkar P, Arsiwala T, Geldenhuys WJ. Nanoparticle formulation and in vitro efficacy testing of the mitoNEET ligand NL-1 for drug delivery in a brain endothelial model of ischemic reperfusion-injury. Int J Pharm 2020; 578:119090. [PMID: 32004683 PMCID: PMC7067674 DOI: 10.1016/j.ijpharm.2020.119090] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 01/22/2020] [Accepted: 01/27/2020] [Indexed: 12/12/2022]
Abstract
Ischemic reperfusion injury after a stroke is a leading cause of mortality and disability due to neuronal loss and tissue damage. Mitochondrial dysfunction plays a major role in the reperfusion-injury sequelae, and offers an attractive drug target. Mitochondrial derived reactive oxygen species (ROS) and resultant apoptotic cascade are among the primary mechanisms of neuronal death following ischemia and reperfusion injury. Here we optimized a nanoparticle formulation for the mitoNEET ligand NL-1, to target mitochondrial dysfunction post ischemic reperfusion (IR) injury. NL-1, a hydrophobic drug, was formulated using PLGA polymers with a particle size and entrapment efficiency of 123.9 ± 17.1 nm and 59.7 ± 10.1%, respectively. The formulation was characterized for physical state of NL-1, in vitro release, uptake and nanoparticle localization. A near complete uptake of nanoparticles was found to occur by three hours, with the process being energy-dependent and occurring via caveolar mediated endocytosis. The fluorescent nanoparticles were found to localize in the cytoplasm of the endothelial cells. An in vitro oxygen glucose deprivation (OGD) model to mimic IR was employed for in vitro efficacy testing in murine brain vascular endothelium cells (bEND.3 cells). Efficacy studies showed that both NL-1 and the nanoparticles loaded with NL-1 had a protective activity against peroxide generation, and displayed improved cellular viability, as seen via reduction in cellular apoptosis. Finally, PLGA nanoparticles were found to have a non-toxic profile in vitro, and were found to be safe for intravenous administration. This study lays the preliminary work for potential use of mitoNEET as a target and NL-1 as a therapeutic for the treatment of cerebral ischemia and reperfusion injury.
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Affiliation(s)
- Pushkar Saralkar
- Department of Pharmaceutical Sciences, West Virginia University School of Pharmacy, Morgantown, WV 26506, United States
| | - Tasneem Arsiwala
- Department of Pharmaceutical Sciences, West Virginia University School of Pharmacy, Morgantown, WV 26506, United States
| | - Werner J Geldenhuys
- Department of Pharmaceutical Sciences, West Virginia University School of Pharmacy, Morgantown, WV 26506, United States; Department of Neuroscience, West Virginia University, School of Medicine, Morgantown, WV 26506, United States.
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Vasudeva K, Munshi A. miRNA dysregulation in ischaemic stroke: Focus on diagnosis, prognosis, therapeutic and protective biomarkers. Eur J Neurosci 2020; 52:3610-3627. [PMID: 32022336 DOI: 10.1111/ejn.14695] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 01/10/2020] [Accepted: 01/31/2020] [Indexed: 01/14/2023]
Abstract
Stroke is one of the leading causes of death and disability in both developing and developed countries. Biomarkers for stroke and its outcome can greatly facilitate early detection and management of the disease. miRNAs have been explored for their potential as biomarkers for diagnosis, prognosis and brain injury in ischaemic stroke. A substantial body of evidence suggests that miRNAs play key roles in numerous cellular changes following ischaemic stroke including mitochondrial dysfunction, energy failure, cytokine-mediated cytotoxicity, oxidative stress, activation of glial cells, increased intracellular calcium levels inflammatory responses and disruption of the blood-brain barrier (BBB). In addition, targeting specific miRNAs, therapeutic modulation of brain injury and apoptosis can also be achieved. Therefore, the current review has been compiled within an aim to give an overview of the developments exploiting miRNAs at different stages of stroke as prognostic, diagnostic, protective and therapeutic biomarkers.
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Affiliation(s)
- Kanika Vasudeva
- Department of Human Genetics and Molecular Medicine, Central University of Punjab, Bathinda, India
| | - Anjana Munshi
- Department of Human Genetics and Molecular Medicine, Central University of Punjab, Bathinda, India
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Lu X, Zhang HY, He ZY. MicroRNA-181c provides neuroprotection in an intracerebral hemorrhage model. Neural Regen Res 2020; 15:1274-1282. [PMID: 31960813 PMCID: PMC7047781 DOI: 10.4103/1673-5374.272612] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Apoptosis is an important factor during the early stage of intracerebral hemorrhage. MiR-181c plays a key regulatory role in apoptosis. However, whether miR-181c is involved in apoptosis of prophase cells after intracerebral hemorrhage remains unclear. Therefore, in vitro and in vivo experiments were conducted to test this hypothesis. In vivo experiments: collagenase type VII was injected into the basal ganglia of adult Sprague-Dawley rats to establish an intracerebral hemorrhage model. MiR-181c mimic or inhibitor was injected in situ 4 hours after intracerebral hemorrhage. Neurological functional defects (neurological severity scores) were assessed 1, 7, and 14 days after model establishment. Terminal deoxynucleotidyl transferase-mediated deoxyuridine triphosphate nick-end labeling and western blot assay were conducted 14 days after model establishment. In vitro experiments: PC12 cells were cultured under oxygen-glucose deprivation, and hemins were added to simulate intracerebral hemorrhage in vitro. MiR-181c mimic or inhibitor was added to regulate miR-181c expression. 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay, luciferase reporter system, and western blot assay were performed. Experimental results revealed differences in miR-181c expression in brain tissues of both patients and rats with cerebral hemorrhage. In addition, in vitro experiments found that miR-181c overexpression could upregulate the Bcl-2/Bax ratio to inhibit apoptosis, while inhibition of miR-181c expression could reduce the Bcl-2/Bax ratio and aggravate apoptosis of cells. Regulation of apoptosis occurred through the phosphoinositide 3 kinase (PI3K)/Akt pathway by targeting of phosphatase and tensin homolog deleted on chromosome ten (PTEN). Higher miR-181c overexpression correlated with lower neurological severity scores, indicating better recovery of neurological function. In conclusion, miR-181c affects the prognosis of intracerebral hemorrhage by regulating apoptosis, and these effects might be directly mediated and regulated by targeting of the PTEN\PI3K/Akt pathway and Bcl-2/Bax ratio. Furthermore, these results indicated that miR-181c played a neuroprotective role in intracerebral hemorrhage by regulating apoptosis of nerve cells, thus providing a potential target for the prevention and treatment of intracerebral hemorrhage. Testing of human serum was authorized by the Ethics Committee of China Medical University (No. 2012-38-1) on February 20, 2012. The protocol was registered with the Chinese Clinical Trial Registry (Registration No. ChiCTR-COC-17013559). The animal study was approved by the Institutional Animal Care and Use Committee of China Medical University (approval No. 2017008) on March 8, 2017.
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Affiliation(s)
- Xi Lu
- First Affiliated Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Hui-Yuan Zhang
- First Affiliated Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Zhi-Yi He
- First Affiliated Hospital of China Medical University, Shenyang, Liaoning Province, China
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Cao DW, Liu MM, Duan R, Tao YF, Zhou JS, Fang WR, Zhu JR, Niu L, Sun JG. The lncRNA Malat1 functions as a ceRNA to contribute to berberine-mediated inhibition of HMGB1 by sponging miR-181c-5p in poststroke inflammation. Acta Pharmacol Sin 2020; 41:22-33. [PMID: 31431734 PMCID: PMC7471439 DOI: 10.1038/s41401-019-0284-y] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 06/30/2019] [Indexed: 12/11/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) have been identified as essential mediators in neurological dysfunction. Our previous study shows that berberine (BBR) hampers the nuclear-to-cytosolic translocation of high-mobility group box 1 (HMGB1) in the process of poststroke inflammation. In this study, we explored the role of lncRNA metastasis-associated lung adenocarcinoma transcript 1 (Malat1) in the process of BBR-induced inhibition of HMGB1 in ischemic brain. Before the 60-min MCAO surgery, the mice were pretreated with BBR (50 mg· kg-1 per day, ig) for 14 days or ICV injected with specific lentiviral vector or shRNA. We showed that MCAO caused marked increase in the expression Malat1 and HMGB1 in the ipsilateral cortex, which was significantly attenuated by pretreatment with BBR. Knockdown of Malat1 attenuated the inflammatory injury after brain ischemia, whereas overexpression of Malat1 exacerbated ischemic brain inflammation. Overexpression of Malat1 also reversed BBR-induced reduction of HMGB1 and proinflammatory cytokines. The above results suggested a potential correlation between Malat1 and stroke inflammation. Based on informatics analysis we predicted that HMGB1 was a direct downstream target of miR-181c-5p, whereas Malat1 acted as a competitive endogenous RNA (ceRNA) for miR-181c-5p targeted the 3'-UTR of HMGB1 to promote inflammation after ischemic stroke. Knockdown of Malat1 significantly decreased HMGB1 level, which could be abrogated by transfection with miR-181c-5p inhibitors. Taken together, our results demonstrate for the first time that Malat1/miR-181c-5p/HMGB1 axis may be a key pathway of BBR-induced antiinflammation effects in stroke, and they may provide a novel avenue for targeted therapy.
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Liu Z, Ran Y, Qie S, Gong W, Gao F, Ding Z, Xi J. Melatonin protects against ischemic stroke by modulating microglia/macrophage polarization toward anti-inflammatory phenotype through STAT3 pathway. CNS Neurosci Ther 2019; 25:1353-1362. [PMID: 31793209 PMCID: PMC6887673 DOI: 10.1111/cns.13261] [Citation(s) in RCA: 126] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 10/23/2019] [Accepted: 10/24/2019] [Indexed: 12/19/2022] Open
Abstract
AIMS Microglia and infiltrated macrophages play important roles in inflammatory processes after ischemic stroke. Modulating microglia/macrophage polarization from pro-inflammatory phenotype to anti-inflammatory state has been suggested as a potential therapeutic approach in the treatment of ischemic stroke. Melatonin has been shown to be neuroprotective in experimental stroke models. However, the effect of melatonin on microglia polarization after stroke and underlying mechanisms remain unknown. METHODS In vivo, cerebral ischemia was induced by distal middle cerebral artery occlusion (dMCAO) in C57BL/6J mice. Melatonin was injected intraperitoneally (20 mg/kg) at 0 and 24 hours after ischemia. In vitro, the microglial cell line BV2 was stimulated to the pro-inflammatory state with conditioned media (CM) collected from oxygen-glucose deprivation (OGD) challenged neuronal cell line Neuro-2a (N2a). Real-time PCR was utilized to detect the mRNA expression of microglia phenotype markers. Activation of signal transducer and activator of transcription 3 (STAT3) pathway was determined by Western blot of phosphorylated STAT3 (pSTAT3). A neuron-microglia co-culture system was used to determine whether melatonin can inhibit the neurotoxic effect of pro-inflammatory microglia to post-OGD neurons. RESULTS Melatonin treatment reduced brain infarct and improved neurological functions 3 days after dMCAO, which was accompanied by decreased expression of pro-inflammatory markers and increased expression of anti-inflammatory markers in the ischemic brain. In vitro studies confirmed that melatonin directly inhibited the pro-inflammatory responses in BV2 cells upon exposure to OGD neuron CM. The microglia possessing pro-inflammatory phenotype exacerbated post-OGD N2a cells death, whereas melatonin reduced such neurotoxic effect. Further, melatonin enhanced the otherwise inhibited pSTAT3 expression in BV2 cells treated with OGD neuron CM. STAT3 blockade significantly reduced the effect of melatonin on microglial phenotype shift. CONCLUSION Melatonin treatment ameliorates brain damage at least partially through shifting microglia phenotype from pro-inflammatory to anti-inflammatory polarity in a STAT3-dependent manner.
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Affiliation(s)
- Zong‐Jian Liu
- Department of RehabilitationBeijing Rehabilitation HospitalCapital Medical UniversityBeijingChina
| | - Yuan‐Yuan Ran
- Department of RehabilitationBeijing Rehabilitation HospitalCapital Medical UniversityBeijingChina
| | - Shu‐Yan Qie
- Department of RehabilitationBeijing Rehabilitation HospitalCapital Medical UniversityBeijingChina
| | - Wei‐Jun Gong
- Department of RehabilitationBeijing Rehabilitation HospitalCapital Medical UniversityBeijingChina
| | - Fu‐Hai Gao
- Department of RehabilitationBeijing Rehabilitation HospitalCapital Medical UniversityBeijingChina
| | - Zi‐Tong Ding
- Department of RehabilitationBeijing Rehabilitation HospitalCapital Medical UniversityBeijingChina
| | - Jia‐Ning Xi
- Department of RehabilitationBeijing Rehabilitation HospitalCapital Medical UniversityBeijingChina
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Manzano-Crespo M, Atienza M, Cantero JL. Lower serum expression of miR-181c-5p is associated with increased plasma levels of amyloid-beta 1-40 and cerebral vulnerability in normal aging. Transl Neurodegener 2019; 8:34. [PMID: 31700619 PMCID: PMC6827222 DOI: 10.1186/s40035-019-0174-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 09/25/2019] [Indexed: 12/11/2022] Open
Abstract
Background Previous studies have shown that expression levels of miR-181c are downregulated by amyloid-β (Aβ) deposition and chronic cerebral hypoperfusion, both factors largely associated with the development of AD. Moreover, reduced 2-[18F]fluoro-2-deoxy-D-glucose (FDG)-PET brain metabolism and volume loss of regions of the medial temporal lobe have been generally recognized as hallmarks of AD. Based on this evidence, we have here investigated potential associations between serum levels of miR-181c-5p and these AD signatures in asymptomatic elderly subjects. Methods Ninety-five normal elderly subjects underwent clinical, cognitive, structural MRI, and FDG-PET explorations. Serum expression levels of miR-181c-5p and plasma Aβ concentrations were further analyzed in this cohort. Regression analyses were performed to assess associations between serum miR-181c-5p levels and cognitive functioning, plasma Aβ, structural and metabolic brain changes. Results Decreased serum expression of miR-181c-5p was associated with increased plasma levels of Aβ1–40, deficits in cortical glucose metabolism, and volume reduction of the entorhinal cortex. No significant associations were found between lower miR-181c-5p levels and cognitive deficits or cortical thinning. Conclusions These findings suggest that deregulation of serum miR-181c-5p may indicate cerebral vulnerability in late life.
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Affiliation(s)
- Marta Manzano-Crespo
- 1Laboratory of Functional Neuroscience, Pablo de Olavide University, Ctra. de Utrera Km 1, 41013 Seville, Spain
| | - Mercedes Atienza
- 1Laboratory of Functional Neuroscience, Pablo de Olavide University, Ctra. de Utrera Km 1, 41013 Seville, Spain.,2CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, 28031, Madrid, Spain
| | - Jose L Cantero
- 1Laboratory of Functional Neuroscience, Pablo de Olavide University, Ctra. de Utrera Km 1, 41013 Seville, Spain.,2CIBERNED, Network Center for Biomedical Research in Neurodegenerative Diseases, 28031, Madrid, Spain
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Liu P, Han Z, Ma Q, Liu T, Wang R, Tao Z, Li G, Li F, Zhang S, Li L, Ji X, Zhao H, Luo Y. Upregulation of MicroRNA-128 in the Peripheral Blood of Acute Ischemic Stroke Patients is Correlated with Stroke Severity Partially through Inhibition of Neuronal Cell Cycle Reentry. Cell Transplant 2019; 28:839-850. [PMID: 31037985 PMCID: PMC6719498 DOI: 10.1177/0963689719846848] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
MiR-128, one of the most enriched miRNAs in the human brain, has been reported to protect MCAO mice via inhibiting P38α MAPK. Whether it is involved in pathogenesis in acute ischemic stroke patients remains to be determined. The present study focused on the clinical importance of miR-128 and its underlying mechanisms. We detected miR-128 levels in the circulating lymphocytes, neutrophils, and plasma of acute ischemic stroke patients by using RT-PCR. miR-128 levels were significantly elevated in circulating lymphocytes, neutrophils, and plasma of patients with acute ischemic stroke. In addition, miR-128 levels in circulating lymphocytes correlated positively with the infarction volume, NIHSS scores at 7 days and mRS at 90 days after ischemic stroke onset. Subsequent KEGG pathway analysis showed that the MAPK signaling pathway and cell cycle are among the pathways targeted by miR-128. Although no correlation was found between miR-128 in plasma and peripheral inflammatory cell numbers, miR-128 decreased in the penumbra and increased in the infarction core of ipsilateral brain tissues in MCAO mice. Moreover, an in vitro study demonstrated that miR-128 antagomir aggravated primary neuronal damage and exacerbated cell cycle reactivation induced by OGD/R stimulation; the underlying mechanism involved increasing cyclin A2, PTEN, and ERK expression and promoting phosphorylation of PTEN and ERK. From the above results, we concluded that the upregulation of miR-128 in circulating lymphocytes of acute ischemic stroke patients was correlated with stroke severity and miR-128 antagomir exacerbated ischemia-reperfusion induced neuronal injury via promoting neuronal cell cycle reentry.
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Affiliation(s)
- Ping Liu
- 1 Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China.,Both the authors contributed equally to this article
| | - Ziping Han
- 1 Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China.,2 Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, China.,Both the authors contributed equally to this article
| | - Qingfeng Ma
- 1 Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Tao Liu
- 1 Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Rongliang Wang
- 1 Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China.,2 Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, China
| | - Zhen Tao
- 1 Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China.,2 Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, China
| | - Guangwen Li
- 1 Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Fangfang Li
- 1 Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Sijia Zhang
- 1 Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Lingzhi Li
- 1 Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Xuming Ji
- 1 Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China.,2 Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, China.,3 Beijing Institute for Brain Disorders, China
| | - Haiping Zhao
- 1 Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China.,2 Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, China
| | - Yumin Luo
- 1 Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China.,2 Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, China.,3 Beijing Institute for Brain Disorders, China
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Forouzanfar F, Shojapour M, Asgharzade S, Amini E. Causes and Consequences of MicroRNA Dysregulation Following Cerebral Ischemia-Reperfusion Injury. CNS & NEUROLOGICAL DISORDERS-DRUG TARGETS 2019; 18:212-221. [DOI: 10.2174/1871527318666190204104629] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Revised: 12/31/2018] [Accepted: 01/25/2019] [Indexed: 12/31/2022]
Abstract
Stroke continues to be a major cause of death and disability worldwide. In this respect, the
most important mechanisms underlying stroke pathophysiology are inflammatory pathways, oxidative
stress, as well as apoptosis. Accordingly, miRNAs are considered as non-coding endogenous RNA
molecules interacting with their target mRNAs to inhibit mRNA translation or reduce its transcription.
Studies in this domain have similarly shown that miRNAs are strongly associated with coronary artery
disease and correspondingly contributed to the brain ischemia molecular processes. To retrieve articles
related to the study subject, i.e. the role of miRNAs involved in inflammatory pathways, oxidative
stress, and apoptosis in stroke from the databases of Web of Science, PubMed (NLM), Open Access
Journals, LISTA (EBSCO), and Google Scholar; keywords including cerebral ischemia, microRNA
(miRNA), inflammatory pathway, oxidative stress, along with apoptosis were used. It was consequently
inferred that, miRNAs could be employed as potential biomarkers for diagnosis and prognosis, as
well as therapeutic goals of cerebral ischemia.
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Affiliation(s)
- Fatemeh Forouzanfar
- Medical Toxicology Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mana Shojapour
- Molecular and Medicine Research Center, Arak University of Medical Sciences, Arak, Iran
| | - Samira Asgharzade
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Elham Amini
- UKM Medical Centre [HUKM], Department of Medicine, Faculty of Medicine, Malaysia
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MicroRNAs in Neuroinflammation: Implications in Disease Pathogenesis, Biomarker Discovery and Therapeutic Applications. Noncoding RNA 2019; 5:ncrna5020035. [PMID: 31022830 PMCID: PMC6632112 DOI: 10.3390/ncrna5020035] [Citation(s) in RCA: 145] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 04/20/2019] [Accepted: 04/22/2019] [Indexed: 12/11/2022] Open
Abstract
The central nervous system can respond to threat via the induction of an inflammatory response. Under normal circumstances this response is tightly controlled, however uncontrolled neuroinflammation is a hallmark of many neurological disorders. MicroRNAs are small non-coding RNA molecules that are important for regulating many cellular processes. The ability of microRNAs to modulate inflammatory signaling is an area of ongoing research, which has gained much attention in recent years. MicroRNAs may either promote or restrict inflammatory signaling, and either exacerbate or ameliorate the pathological consequences of excessive neuroinflammation. The aim of this review is to summarize the mode of regulation for several important and well-studied microRNAs in the context of neuroinflammation, including miR-155, miR-146a, miR-124, miR-21 and let-7. Furthermore, the pathological consequences of miRNA deregulation during disorders that feature neuroinflammation are discussed, including Multiple Sclerosis, Alzheimer’s disease, Parkinson’s disease, Prion diseases, Japanese encephalitis, Herpes encephalitis, ischemic stroke and traumatic brain injury. There has also been considerable interest in the use of altered microRNA signatures as biomarkers for these disorders. The ability to modulate microRNA expression may even serve as the basis for future therapeutic strategies to help treat pathological neuroinflammation.
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MicroRNA-365 Knockdown Prevents Ischemic Neuronal Injury by Activating Oxidation Resistance 1-Mediated Antioxidant Signals. Neurosci Bull 2019; 35:815-825. [PMID: 30977043 DOI: 10.1007/s12264-019-00371-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Accepted: 02/10/2019] [Indexed: 12/19/2022] Open
Abstract
MicroRNA-365 (miR-365) is upregulated in the ischemic brain and is involved in oxidative damage in the diabetic rat. However, it is unclear whether miR-365 regulates oxidative stress (OS)-mediated neuronal damage after ischemia. Here, we used a transient middle cerebral artery occlusion model in rats and the hydrogen peroxide-induced OS model in primary cultured neurons to assess the roles of miR-365 in neuronal damage. We found that miR-365 exacerbated ischemic brain injury and OS-induced neuronal damage and was associated with a reduced expression of OXR1 (Oxidation Resistance 1). In contrast, miR-365 antagomir alleviated both the brain injury and OXR1 reduction. Luciferase assays indicated that miR-365 inhibited OXR1 expression by directly targeting the 3'-untranslated region of Oxr1. Furthermore, knockdown of OXR1 abolished the neuroprotective and antioxidant effects of the miR-365 antagomir. Our results suggest that miR-365 upregulation increases oxidative injury by inhibiting OXR1 expression, while its downregulation protects neurons from oxidative death by enhancing OXR1-mediated antioxidant signals.
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Ma Q, Zhang L, Pearce WJ. MicroRNAs in brain development and cerebrovascular pathophysiology. Am J Physiol Cell Physiol 2019; 317:C3-C19. [PMID: 30840494 DOI: 10.1152/ajpcell.00022.2019] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
MicroRNAs (miRNAs) are a class of highly conserved non-coding RNAs with 21-25 nucleotides in length and play an important role in regulating gene expression at the posttranscriptional level via base-paring with complementary sequences of the 3'-untranslated region of the target gene mRNA, leading to either transcript degradation or translation inhibition. Brain-enriched miRNAs act as versatile regulators of brain development and function, including neural lineage and subtype determination, neurogenesis, synapse formation and plasticity, neural stem cell proliferation and differentiation, and responses to insults. Herein, we summarize the current knowledge regarding the role of miRNAs in brain development and cerebrovascular pathophysiology. We review recent progress of the miRNA-based mechanisms in neuronal and cerebrovascular development as well as their role in hypoxic-ischemic brain injury. These findings hold great promise, not just for deeper understanding of basic brain biology but also for building new therapeutic strategies for prevention and treatment of pathologies such as cerebral ischemia.
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Affiliation(s)
- Qingyi Ma
- Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine , Loma Linda, California
| | - Lubo Zhang
- Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine , Loma Linda, California
| | - William J Pearce
- Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine , Loma Linda, California
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Yao X, Yao R, Yi J, Huang F. Upregulation of miR-496 decreases cerebral ischemia/reperfusion injury by negatively regulating BCL2L14. Neurosci Lett 2019; 696:197-205. [DOI: 10.1016/j.neulet.2018.12.039] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 12/19/2018] [Accepted: 12/27/2018] [Indexed: 01/13/2023]
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Xiao Y, Geng F, Wang G, Li X, Zhu J, Zhu W. Bone marrow-derived mesenchymal stem cells-derived exosomes prevent oligodendrocyte apoptosis through exosomal miR-134 by targeting caspase-8. J Cell Biochem 2019; 120:2109-2118. [PMID: 30191592 DOI: 10.1002/jcb.27519] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 07/27/2018] [Indexed: 02/06/2023]
Abstract
Ischemic stroke causes severe brain damage and remains one of the leading causes of morbidity and mortality worldwide. The microRNA-134 (miR-134) is involved in regulating the process of ischemia injury in neural cells and brain with ischemia stroke. The role of miR-134 in ischemic stroke remains poorly understood. The purpose of the current study was to investigate the effect of bone marrow-derived mesenchymal stem cells (BMSCs)-derived exosomal miR-134 on rat oligodendrocytes (OLs) apoptosis and its underlying mechanism of action. The results demonstrated that levels of miR-134 in BMSCs-exosome decreased but increased incaspase-8 after oxygen-glucose deprivation (OGD) treatment. Exosomal miR-134 significantly inhibited apoptosis by decreasing caspase-8 expression and activity in OGD-treated group cultured with BMSCs-exosome and OLs. In addition, the miR-134 mimics decreased caspase-8 expression in OGD-treated OLs, whereas miR-134 inhibitors exacerbated the changes in the expression of the procaspase-8 and caspase-8 cleaved product proteins caused by OGD. The caspase-8 knockdown using caspase-8 small interfering RNA decreased OLs apoptosis, reversing the improvements that the miR-134 inhibited cells apoptosis by targeting caspase-8. Taken together, these results demonstrated that BMSCs-derived exosomes suppressed OLs apoptosis through exosomal miR-134 by negatively regulating the caspase-8-dependent apoptosis pathway and may, therefore, be a novel potential therapeutic target for ischemic stroke treatment.
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Affiliation(s)
- Yilei Xiao
- Department of Neurosurgery, Liaocheng People's Hospital, Liaocheng, China
| | - Fengyang Geng
- Department of Neurosurgery, Liaocheng People's Hospital, Liaocheng, China
| | - Guifang Wang
- Department of Neurology, Liaocheng People's Hospital, Liaocheng, China
| | - Xueyuan Li
- Department of Neurosurgery, Liaocheng People's Hospital, Liaocheng, China
| | - Jianxin Zhu
- Department of Neurosurgery, Liaocheng People's Hospital, Liaocheng, China
| | - Weijie Zhu
- Department of Neurosurgery, General Hospital of Jinan Military Region, Jinan, China
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50
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Ma Q, Li G, Tao Z, Wang J, Wang R, Liu P, Luo Y, Zhao H. Blood microRNA-93 as an indicator for diagnosis and prediction of functional recovery of acute stroke patients. J Clin Neurosci 2018; 62:121-127. [PMID: 30579843 DOI: 10.1016/j.jocn.2018.12.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 09/10/2018] [Accepted: 12/11/2018] [Indexed: 01/06/2023]
Abstract
The present study evaluated the diagnostic and predictive potential of microRNA-93 in acute ischemic stroke (AIS) patients within 6 h of stroke onset and its regulation on microglial inflammation in vitro. Our results showed that the miR-93 levels in plasma and neutrophil detected by real-time PCR were evidently reduced in AIS patients, and Pearson's correlation analysis showed that miR-93 levels in plasma and neutrophils had a significant positive linear correlation. Moreover, miR-93 levels in plasma and neutrophils of stroke patients at time of admission were not correlated with infarct volume and NIHSS (National Institute of Health stroke scale) scores at admission, but neutrophil miR-93 levels were positively correlated with the Barthel Index 7 days after stroke. Importantly, miR-93 levels in plasma and neutrophil of AIS patients were negatively correlated with the expression of TNF-α and IL-10. Furthermore, in vitro treatment with miR-93 agomir decreased the OGD (Oxygen and glucose deprivation)-induced proliferation of BV2 microglial cells tested by Flow cytometry. We demonstrated that miR-93 in blood has a potential to facilitate the diagnosis and prediction of neurological outcomes of acute ischemic stroke, and is involved in inflammation possibly through targeting the proliferation of microglia.
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Affiliation(s)
- Qingfeng Ma
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Guangwen Li
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China; Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing, China
| | - Zhen Tao
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China; Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing, China
| | - Jue Wang
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Rongliang Wang
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China; Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing, China
| | - Ping Liu
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Yumin Luo
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China; Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing, China; Beijing Institute for Brain Disorders, Beijing, China
| | - Haiping Zhao
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China; Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing, China.
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