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Hasaniani N, Nouri S, Shirzad M, Rostami-Mansoor S. Potential therapeutic and diagnostic approaches of exosomes in multiple sclerosis pathophysiology. Life Sci 2024; 347:122668. [PMID: 38670451 DOI: 10.1016/j.lfs.2024.122668] [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: 01/30/2024] [Revised: 04/15/2024] [Accepted: 04/23/2024] [Indexed: 04/28/2024]
Abstract
Exosomes are bilayer lipid vesicles that are released by cells and contain proteins, nucleic acids, and lipids. They can be internalized by other cells, inducing inflammatory responses and instigating toxicities in the recipient cells. Exosomes can also serve as therapeutic vehicles by transporting protective cargo to maintain homeostasis. Multiple studies have shown that exosomes can initiate and participate in the regulation of neuroinflammation, improve neurogenesis, and are closely related to the pathogenesis of central nervous system (CNS) diseases, including multiple sclerosis (MS). Exosomes can be secreted by both neurons and glial cells in the CNS, and their contents change with disease occurrence. Due to their ability to penetrate the blood-brain barrier and their stability in peripheral fluids, exosomes are attractive biomarkers of CNS diseases. In recent years, exosomes have emerged as potential therapeutic agents for CNS diseases, including MS. However, the molecular pathways in the pathogenesis of MS are still unknown, and further research is needed to fully understand the role of exosomes in the occurrence or improvement of MS disease. Thereby, in this review, we intend to provide a more complete understanding of the pathways in which exosomes are involved and affect the occurrence or improvement of MS disease.
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Affiliation(s)
- Nima Hasaniani
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Sina Nouri
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Urmia University of Medical Sciences, Urmia, Iran
| | - Moein Shirzad
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Sahar Rostami-Mansoor
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
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2
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Al-Temaimi R, Alshammari N, Alroughani R. Analysis of potential microRNA biomarkers for multiple sclerosis. Exp Mol Pathol 2024; 137:104903. [PMID: 38772208 DOI: 10.1016/j.yexmp.2024.104903] [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: 03/03/2023] [Revised: 05/03/2024] [Accepted: 05/16/2024] [Indexed: 05/23/2024]
Abstract
Multiple sclerosis (MS) is a chronic demyelinating autoimmune neurodegenerative disorder for which no specific blood biomarker is available. MicroRNAs (miRNAs) have been investigated for their diagnostic potential in MS. However, MS-associated miRNAs are rarely replicated in different MS populations, thus impeding their use in clinical testing. Here, we evaluated the fold expression of seven reported MS miRNAs associated with MS incidence and clinical characteristics in 76 MS patients and 75 healthy control plasma samples. We found miR-23a-3p to be upregulated in relapsing-remitting MS (RRMS), while miR-326 was downregulated. MiR-150-5p and -320a-3p were significantly downregulated in secondary progressive MS (SPMS) patients compared to RRMS. High disability was associated with low miR-320a-3p, whereas low BDNF levels were associated with upregulation of miR-150-5p and downregulation of miR-326 expression in the total cohort. MiR-23a-3p and miR-326 showed significant diagnostic sensitivity, specificity, and accuracy for RRMS diagnosis. In addition, miR-150-5p and miR-320a-3p had comparable significant diagnostic test performance metrics distinguishing SPMS from RRMS. Therefore, there is potential for including miR-23a-3p and miR-326 in an RRMS diagnostic miRNA panel. Moreover, we have shown that miR-150-5p and miR-320a-3p could be novel RRMS conversion to SPMS biomarkers. The use of these miRNAs in MS diagnosis and prognosis warrants further investigation.
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Affiliation(s)
- Rabeah Al-Temaimi
- Human Genetics Unit, Department of Pathology, Faculty of Medicine, Kuwait University, Jabriya, Kuwait.
| | - Nashmeiah Alshammari
- Molecular Biology joint Master program, Department of Pathology, Faculty of Medicine, Kuwait University, Jabriya, Kuwait
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3
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Qiu S, Dai H, Wang Y, Lv Y, Yu B, Yao C. The therapeutic potential of microRNAs to ameliorate spinal cord injury by regulating oligodendrocyte progenitor cells and remyelination. Front Cell Neurosci 2024; 18:1404463. [PMID: 38812792 PMCID: PMC11135050 DOI: 10.3389/fncel.2024.1404463] [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: 03/21/2024] [Accepted: 04/26/2024] [Indexed: 05/31/2024] Open
Abstract
Spinal cord injury (SCI) can cause loss of sensory and motor function below the level of injury, posing a serious threat to human health and quality of life. One significant characteristic feature of pathological changes following injury in the nervous system is demyelination, which partially contributes to the long-term deficits in neural function after injury. The remyelination in the central nervous system (CNS) is mainly mediated by oligodendrocyte progenitor cells (OPCs). Numerous complex intracellular signaling and transcriptional factors regulate the differentiation process from OPCs to mature oligodendrocytes (OLs) and myelination. Studies have shown the importance of microRNA (miRNA) in regulating OPC functions. In this review, we focus on the demyelination and remyelination after SCI, and summarize the progress of miRNAs on OPC functions and remyelination, which might provide a potential therapeutic target for SCI treatments.
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Affiliation(s)
| | | | | | | | | | - Chun Yao
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, China
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4
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Dolcetti E, Musella A, Balletta S, Gilio L, Bruno A, Stampanoni Bassi M, Lauritano G, Buttari F, Fresegna D, Tartacca A, Mariani F, Palmerio F, Rovella V, Ferese R, Gambardella S, Giardina E, Finardi A, Furlan R, Mandolesi G, Centonze D, De Vito F. Interaction between miR-142-3p and BDNF Val/Met Polymorphism Regulates Multiple Sclerosis Severity. Int J Mol Sci 2024; 25:5253. [PMID: 38791290 PMCID: PMC11121620 DOI: 10.3390/ijms25105253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/02/2024] [Accepted: 05/05/2024] [Indexed: 05/26/2024] Open
Abstract
MiR-142-3p has recently emerged as key factor in tailoring personalized treatments for multiple sclerosis (MS), a chronic autoimmune demyelinating disease of the central nervous system (CNS) with heterogeneous pathophysiology and an unpredictable course. With its involvement in a detrimental regulatory axis with interleukin-1beta (IL1β), miR-142-3p orchestrates excitotoxic synaptic alterations that significantly impact both MS progression and therapeutic outcomes. In this study, we investigated for the first time the influence of individual genetic variability on the miR-142-3p excitotoxic effect in MS. We specifically focused on the single-nucleotide polymorphism Val66Met (rs6265) of the brain-derived neurotrophic factor (BDNF) gene, known for its crucial role in CNS functioning. We assessed the levels of miR-142-3p and IL1β in cerebrospinal fluid (CSF) obtained from a cohort of 114 patients with MS upon diagnosis. By stratifying patients according to their genetic background, statistical correlations with clinical parameters were performed. Notably, in Met-carrier patients, we observed a decoupling of miR-142-3p levels from IL1β levels in the CSF, as well as from of disease severity (Expanded Disability Status Score, EDSS; Multiple Sclerosis Severity Score, MSSS; Age-Related Multiple Sclerosis Severity Score, ARMSS) and progression (Progression Index, PI). Our discovery of the interference between BDNF Val66Met polymorphism and the synaptotoxic IL1β-miR-142-3p axis, therefore hampering miR-142-3p action on MS course, provides valuable insights for further development of personalized medicine in the field.
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Affiliation(s)
- Ettore Dolcetti
- Neurology Unit, IRCCS Neuromed, 86077 Pozzilli, Italy; (E.D.); (S.B.); (L.G.); (A.B.); (M.S.B.); (G.L.); (F.B.); (R.F.); (S.G.)
- Ph.D. Program in Neuroscience, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (A.T.); (F.P.)
| | - Alessandra Musella
- Synaptic Immunopathology Laboratory, IRCCS San Raffaele Roma, 00163 Rome, Italy; (A.M.); (D.F.); (G.M.)
- Department of Human Sciences and Quality of Life Promotion, University of Rome San Raffaele, 00163 Rome, Italy
| | - Sara Balletta
- Neurology Unit, IRCCS Neuromed, 86077 Pozzilli, Italy; (E.D.); (S.B.); (L.G.); (A.B.); (M.S.B.); (G.L.); (F.B.); (R.F.); (S.G.)
| | - Luana Gilio
- Neurology Unit, IRCCS Neuromed, 86077 Pozzilli, Italy; (E.D.); (S.B.); (L.G.); (A.B.); (M.S.B.); (G.L.); (F.B.); (R.F.); (S.G.)
- Faculty of Psychology, Uninettuno Telematic International University, 00186 Rome, Italy
| | - Antonio Bruno
- Neurology Unit, IRCCS Neuromed, 86077 Pozzilli, Italy; (E.D.); (S.B.); (L.G.); (A.B.); (M.S.B.); (G.L.); (F.B.); (R.F.); (S.G.)
- Ph.D. Program in Neuroscience, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (A.T.); (F.P.)
| | - Mario Stampanoni Bassi
- Neurology Unit, IRCCS Neuromed, 86077 Pozzilli, Italy; (E.D.); (S.B.); (L.G.); (A.B.); (M.S.B.); (G.L.); (F.B.); (R.F.); (S.G.)
| | - Gianluca Lauritano
- Neurology Unit, IRCCS Neuromed, 86077 Pozzilli, Italy; (E.D.); (S.B.); (L.G.); (A.B.); (M.S.B.); (G.L.); (F.B.); (R.F.); (S.G.)
| | - Fabio Buttari
- Neurology Unit, IRCCS Neuromed, 86077 Pozzilli, Italy; (E.D.); (S.B.); (L.G.); (A.B.); (M.S.B.); (G.L.); (F.B.); (R.F.); (S.G.)
- Department of Systems Medicine, Tor Vergata University, 00133 Rome, Italy; (F.M.); (V.R.)
| | - Diego Fresegna
- Synaptic Immunopathology Laboratory, IRCCS San Raffaele Roma, 00163 Rome, Italy; (A.M.); (D.F.); (G.M.)
| | - Alice Tartacca
- Ph.D. Program in Neuroscience, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (A.T.); (F.P.)
| | - Fabrizio Mariani
- Department of Systems Medicine, Tor Vergata University, 00133 Rome, Italy; (F.M.); (V.R.)
| | - Federica Palmerio
- Ph.D. Program in Neuroscience, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (A.T.); (F.P.)
| | - Valentina Rovella
- Department of Systems Medicine, Tor Vergata University, 00133 Rome, Italy; (F.M.); (V.R.)
| | - Rosangela Ferese
- Neurology Unit, IRCCS Neuromed, 86077 Pozzilli, Italy; (E.D.); (S.B.); (L.G.); (A.B.); (M.S.B.); (G.L.); (F.B.); (R.F.); (S.G.)
| | - Stefano Gambardella
- Neurology Unit, IRCCS Neuromed, 86077 Pozzilli, Italy; (E.D.); (S.B.); (L.G.); (A.B.); (M.S.B.); (G.L.); (F.B.); (R.F.); (S.G.)
- Department of Biomolecular Sciences, University of Urbino “Carlo Bo”, 61029 Urbino, Italy
| | - Emiliano Giardina
- Genomic Medicine Laboratory, IRCCS Fondazione Santa Lucia, 00179 Rome, Italy;
- Department of Biomedicine and Prevention, University of Rome “Tor Vergata”, 00133 Rome, Italy
| | - Annamaria Finardi
- Clinical Neuroimmunology Unit, Institute of Experimental Neurology (INSpe), Division of Neuroscience, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; (A.F.); (R.F.)
- Faculty of Medicine and Surgery, Vita e Salute San Raffaele University, 20132 Milan, Italy
| | - Roberto Furlan
- Clinical Neuroimmunology Unit, Institute of Experimental Neurology (INSpe), Division of Neuroscience, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; (A.F.); (R.F.)
- Faculty of Medicine and Surgery, Vita e Salute San Raffaele University, 20132 Milan, Italy
| | - Georgia Mandolesi
- Synaptic Immunopathology Laboratory, IRCCS San Raffaele Roma, 00163 Rome, Italy; (A.M.); (D.F.); (G.M.)
- Department of Human Sciences and Quality of Life Promotion, University of Rome San Raffaele, 00163 Rome, Italy
| | - Diego Centonze
- Neurology Unit, IRCCS Neuromed, 86077 Pozzilli, Italy; (E.D.); (S.B.); (L.G.); (A.B.); (M.S.B.); (G.L.); (F.B.); (R.F.); (S.G.)
- Department of Systems Medicine, Tor Vergata University, 00133 Rome, Italy; (F.M.); (V.R.)
| | - Francesca De Vito
- Neurology Unit, IRCCS Neuromed, 86077 Pozzilli, Italy; (E.D.); (S.B.); (L.G.); (A.B.); (M.S.B.); (G.L.); (F.B.); (R.F.); (S.G.)
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5
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Tahmasebi F, Asl ER, Vahidinia Z, Barati S. Stem Cell-Derived Exosomal MicroRNAs as Novel Potential Approach for Multiple Sclerosis Treatment. Cell Mol Neurobiol 2024; 44:44. [PMID: 38713302 PMCID: PMC11076329 DOI: 10.1007/s10571-024-01478-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 04/09/2024] [Indexed: 05/08/2024]
Abstract
Multiple Sclerosis (MS) is an autoimmune disease of the central nervous system (CNS) characterized by inflammation and demyelination of CNS neurons. Up to now, there are many therapeutic strategies for MS but they are only being able to reduce progression of diseases and have not got any effect on repair and remyelination. Stem cell therapy is an appropriate method for regeneration but has limitations and problems. So recently, researches were used of exosomes that facilitate intercellular communication and transfer cell-to-cell biological information. MicroRNAs (miRNAs) are a class of short non-coding RNAs that we can used to their dysregulation in order to diseases diagnosis. The miRNAs of microvesicles obtained stem cells may change the fate of transplanted cells based on received signals of injured regions. The miRNAs existing in MSCs may be displayed the cell type and their biological activities. Current studies show also that the miRNAs create communication between stem cells and tissue-injured cells. In the present review, firstly we discuss the role of miRNAs dysregulation in MS patients and miRNAs expression by stem cells. Finally, in this study was confirmed the relationship of microRNAs involved in MS and miRNAs expressed by stem cells and interaction between them in order to find appropriate treatment methods in future for limit to disability progression.
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Affiliation(s)
- Fatemeh Tahmasebi
- Department of Anatomy, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Elmira Roshani Asl
- Department of Biochemistry, Saveh University of Medical Sciences, Saveh, Iran
| | - Zeinab Vahidinia
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Shirin Barati
- Department of Anatomy, Saveh University of Medical Sciences, Saveh, Iran.
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Huang HT, Wang CY, Ho CH, Tzeng SF. Interleukin-6 Inhibits Expression of miR-204-5p, a Regulator of Oligodendrocyte Differentiation: Involvement of miR-204-5p in the Prevention of Chemical-Induced Oligodendrocyte Impairment. Mol Neurobiol 2024; 61:1953-1968. [PMID: 37817030 DOI: 10.1007/s12035-023-03681-5] [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: 01/12/2023] [Accepted: 09/28/2023] [Indexed: 10/12/2023]
Abstract
Oligodendrocytes (OLs) form myelin sheaths around axons in the central nervous system (CNS) facilitate the propagation of action potentials. The studies have shown that the differentiation and maturation of OLs involve microRNA (miR) regulation. The recent findings have addressed that miR-204 regulates OL differentiation in culture. In this study, through in situ hybridization in combination with immunohistochemistry, we showed that microRNA-204-5p in the corpus callosum was mainly expressed in OLs immunoreactive with adenomatous polyposis coli (APC), an OL marker. We also found miR-204-5p expression in mature OLs was suppressed by the addition of interleukin-6 (IL-6). Moreover, IL-6-induced inhibition of miR-204-5p expression was blocked by the addition of the inhibitors specific for p38 mitogen-activated protein kinase (p38MAPK) or phosphatidylinositol 3-kinase (PI3K) pathway. We further utilized a rat model by feeding cuprizone (CPZ)-containing diet for 3 weeks to induce demyelination and gliosis in the corpus callosum, as well as the upregulation of IL-6 gene expression significantly. Despite that miR-204-5p expression in the corpus callosum was not altered after feeding by CPZ for 3 weeks, its expression was increased and IL-6 transcription was decreased in the corpus callosum of the recovery group that was fed by CPZ for the first 2 weeks and by the regular diet for one more week. Our data demonstrate that miR-204-5p expression in OLs declined under the influence of the inflamed microenvironment. The findings that an increase in miR-204-5p and declined IL-6 expression observed in the recovery group might be involved with OL repair in the corpus callosum, and also shed light on a potential role for miR-204-5p in OL homeostasis following the white matter injury.
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Affiliation(s)
- Hui-Ting Huang
- Department of Life Sciences, College of Biosciences and Biotechnology, National Cheng Kung University, Tainan, Taiwan
| | - Chih-Yen Wang
- Department of Life Sciences, College of Biosciences and Biotechnology, National Cheng Kung University, Tainan, Taiwan
- Department of Biotechnology and Bioindustry Sciences, College of Biosciences and Biotechnology, National Cheng Kung University, Tainan, Taiwan
| | - Chia-Hsin Ho
- Department of Life Sciences, College of Biosciences and Biotechnology, National Cheng Kung University, Tainan, Taiwan
| | - Shun-Fen Tzeng
- Department of Life Sciences, College of Biosciences and Biotechnology, National Cheng Kung University, Tainan, Taiwan.
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7
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Perdaens O, Bottemanne P, van Pesch V. MicroRNAs dysregulated in multiple sclerosis affect the differentiation of CG-4 cells, an oligodendrocyte progenitor cell line. Front Cell Neurosci 2024; 18:1336439. [PMID: 38486710 PMCID: PMC10937391 DOI: 10.3389/fncel.2024.1336439] [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: 11/10/2023] [Accepted: 01/24/2024] [Indexed: 03/17/2024] Open
Abstract
Introduction Demyelination is one of the hallmarks of multiple sclerosis (MS). While remyelination occurs during the disease, it is incomplete from the start and strongly decreases with its progression, mainly due to the harm to oligodendrocyte progenitor cells (OPCs), causing irreversible neurological deficits and contributing to neurodegeneration. Therapeutic strategies promoting remyelination are still very preliminary and lacking within the current treatment panel for MS. Methods In a previous study, we identified 21 microRNAs dysregulated mostly in the CSF of relapsing and/or remitting MS patients. In this study we transfected the mimics/inhibitors of several of these microRNAs separately in an OPC cell line, called CG-4. We aimed (1) to phenotypically characterize their effect on OPC differentiation and (2) to identify corroborating potential mRNA targets via immunocytochemistry, RT-qPCR analysis, RNA sequencing, and Gene Ontology enrichment analysis. Results We observed that the majority of 13 transfected microRNA mimics decreased the differentiation of CG-4 cells. We demonstrate, by RNA sequencing and independent RT-qPCR analyses, that miR-33-3p, miR-34c-5p, and miR-124-5p arrest OPC differentiation at a late progenitor stage and miR-145-5p at a premyelinating stage as evidenced by the downregulation of premyelinating oligodendrocyte (OL) [Tcf7l2, Cnp (except for miR-145-5p)] and mature OL (Plp1, Mbp, and Mobp) markers, whereas only miR-214-3p promotes OPC differentiation. We further propose a comprehensive exploration of their change in cell fate through Gene Ontology enrichment analysis. We finally confirm by RT-qPCR analyses the downregulation of several predicted mRNA targets for each microRNA that possibly support their effect on OPC differentiation by very distinctive mechanisms, of which some are still unexplored in OPC/OL physiology. Conclusion miR-33-3p, miR-34c-5p, and miR-124-5p arrest OPC differentiation at a late progenitor stage and miR-145-5p at a premyelinating stage, whereas miR-214-3p promotes the differentiation of CG-4 cells. We propose several potential mRNA targets and hypothetical mechanisms by which each microRNA exerts its effect. We hereby open new perspectives in the research on OPC differentiation and the pathophysiology of demyelination/remyelination, and possibly even in the search for new remyelinating therapeutic strategies in the scope of MS.
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Affiliation(s)
- Océane Perdaens
- Neurochemistry Group, Institute of NeuroScience, Université catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Pauline Bottemanne
- Bioanalysis and Pharmacology of Bioactive Lipids, Louvain Drug Research Institute, Université catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Vincent van Pesch
- Neurochemistry Group, Institute of NeuroScience, Université catholique de Louvain (UCLouvain), Brussels, Belgium
- Department of Neurology, Cliniques universitaires Saint-Luc, Université catholique de Louvain (UCLouvain), Brussels, Belgium
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8
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Perdaens O, van Pesch V. MicroRNAs are dysregulated in peripheral blood mononuclear cells in multiple sclerosis and correlate with T cell mediators. J Neuroimmunol 2024; 386:578196. [PMID: 38101084 DOI: 10.1016/j.jneuroim.2023.578196] [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: 03/07/2023] [Revised: 09/03/2023] [Accepted: 09/04/2023] [Indexed: 12/17/2023]
Abstract
T cell mediators and microRNAs are involved in the pathogenesis of multiple sclerosis (MS), but their interaction largely remains undetermined. We investigated by RT-qPCR the dysregulation of microRNAs in peripheral blood mononuclear cells of MS patients versus healthy controls, according to radiological disease activity or treatment. Several microRNAs correlated positively/negatively with IL21/FOXP3 mRNA expression, but not with serum neurofilament light chain levels. Cytokine expression is conceivably balanced by several regulators, whereas microRNAs possibly target upstream transcription factors rather than directly cytokine mRNAs. Functional studies are needed to investigate their interaction, notably for the predicted targeting of FOXP3 by miR-34c-5p.
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Affiliation(s)
- Océane Perdaens
- Neurochemistry Group, Institute of NeuroScience (IoNS), Université catholique de Louvain (UCLouvain), avenue Emmanuel Mounier 53/B1.53.03, 1200 Brussels, Belgium.
| | - Vincent van Pesch
- Neurochemistry Group, Institute of NeuroScience (IoNS), Université catholique de Louvain (UCLouvain), avenue Emmanuel Mounier 53/B1.53.03, 1200 Brussels, Belgium; Department of Neurology, Cliniques universitaires Saint-Luc, Université catholique de Louvain (UCLouvain), avenue Hippocrate 10, 1200 Brussels, Belgium.
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9
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Mohammadinasr M, Montazersaheb S, Ayromlou H, Hosseini V, Molavi O, Hejazi MS. Exosome Content-Mediated Signaling Pathways in Multiple Sclerosis. Mol Neurobiol 2024:10.1007/s12035-023-03862-2. [PMID: 38191693 DOI: 10.1007/s12035-023-03862-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 11/30/2023] [Indexed: 01/10/2024]
Abstract
Exosomes are small extracellular vesicles with a complex lipid-bilayer surface and 30-150 nm diameter. These vesicles play a critical role in intercellular signaling networks during physiopathological processes through data trafficking and cell reprogramming. It has been demonstrated that exosomes are involved in a variety of central nervous system (CNS) disorders such as multiple sclerosis (MS). Exosome mediators' cell-to-cell communication is possibly by delivering their contents such as proteins, RNAs (coding and non-coding), DNAs (mitochondrial and genomic), and transposable elements to the target cells. Exosomal microRNAs (miRNAs) differ in their expression patterns in MS disease, thereby providing novel diagnostic and prognostic biomarkers and therapeutic options for better treatment of MS disease. Furthermore, these microvesicles are non-immunogenic and non-toxic therapeutic tools for transferring miRNAs across the blood-brain barrier (BBB). Collectively, exosomes could be used as novel drug delivery devices for the treatment of MS patients. This review summarized research regarding the exosomes from serum, plasma, PBMC, and other cells in MS patients and experimental models. We also provide a critical view of exosome content-mediated signaling pathways in MS, including TNF-α, TGF-β, NF-κB, and Wnt pathways. The use of exosomes as a therapeutic potential in MS has also been discussed.
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Affiliation(s)
- Mina Mohammadinasr
- Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Soheila Montazersaheb
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hormoz Ayromlou
- Neuroscience Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Vahid Hosseini
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ommoleila Molavi
- Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Saeid Hejazi
- Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
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10
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Mu C, Gao M, Xu W, Sun X, Chen T, Xu H, Qiu H. Mechanisms of microRNA-132 in central neurodegenerative diseases: A comprehensive review. Biomed Pharmacother 2024; 170:116029. [PMID: 38128185 DOI: 10.1016/j.biopha.2023.116029] [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: 09/14/2023] [Revised: 12/12/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023] Open
Abstract
MicroRNA-132 (miR-132) is a highly conserved molecule that plays a crucial regulatory role in central nervous system (CNS) disorders. The expression levels of miR-132 exhibit variability in various neurological disorders and have been closely linked to disease onset and progression. The expression level of miR-132 in the CNS is regulated by a diverse range of stimuli and signaling pathways, including neuronal migration and integration, dendritic outgrowth, and complexity, synaptogenesis, synaptic plasticity, as well as inflammation and apoptosis activation. The aberrant expression of miR-132 in various central neurodegenerative diseases has garnered widespread attention. Clinical studies have revealed altered miR-132 expression levels in both chronic and acute CNS diseases, positioning miR-132 as a potential biomarker or therapeutic target. An in-depth exploration of miR-132 holds the promise of enhancing our understanding of the mechanisms underlying CNS diseases, thereby offering novel insights and strategies for disease diagnosis and treatment. It is anticipated that this review will assist researchers in recognizing the potential value of miR-132 and in generating innovative ideas for clinical trials related to CNS degenerative diseases.
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Affiliation(s)
- Chenxi Mu
- Basic Medical College, Jiamusi University, Jiamusi 154007, Heilongjiang, China; Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China
| | - Meng Gao
- Basic Medical College, Jiamusi University, Jiamusi 154007, Heilongjiang, China; Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China
| | - Weijing Xu
- Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China; School of Public Health, Jiamusi University, Jiamusi 154007, Heilongjiang, China
| | - Xun Sun
- Basic Medical College, Jiamusi University, Jiamusi 154007, Heilongjiang, China; Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China
| | - Tianhao Chen
- Basic Medical College, Jiamusi University, Jiamusi 154007, Heilongjiang, China; Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China
| | - Hui Xu
- Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China.
| | - Hongbin Qiu
- School of Public Health, Jiamusi University, Jiamusi 154007, Heilongjiang, China.
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11
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Emami Nejad A, Mostafavi Zadeh SM, Nickho H, Sadoogh Abbasian A, Forouzan A, Ahmadlou M, Nedaeinia R, Shaverdi S, Manian M. The role of microRNAs involved in the disorder of blood-brain barrier in the pathogenesis of multiple sclerosis. Front Immunol 2023; 14:1281567. [PMID: 38193092 PMCID: PMC10773759 DOI: 10.3389/fimmu.2023.1281567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 10/30/2023] [Indexed: 01/10/2024] Open
Abstract
miRNAs are involved in various vital processes, including cell growth, development, apoptosis, cellular differentiation, and pathological cellular activities. Circulating miRNAs can be detected in various body fluids including serum, plasma, saliva, and urine. It is worth mentioning that miRNAs remain stable in the circulation in biological fluids and are released from membrane-bound vesicles called exosomes, which protect them from RNase activity. It has been shown that miRNAs regulate blood-brain barrier integrity by targeting both tight junction and adherens junction molecules and can also influence the expression of inflammatory cytokines. Some recent studies have examined the impact of certain commonly used drugs in Multiple Sclerosis on miRNA levels. In this review, we will focus on the recent findings on the role of miRNAs in multiple sclerosis, including their role in the cause of MS and molecular mechanisms of the disease, utilizing miRNAs as diagnostic and clinical biomarkers, using miRNAs as a therapeutic modality or target for Multiple Sclerosis and drug responses in patients, elucidating their importance as prognosticators of disease progression, and highlighting their potential as a future treatment for MS.
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Affiliation(s)
| | - Seyed Mostafa Mostafavi Zadeh
- Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
- Oncopathology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Hamid Nickho
- Department of Immunology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Ali Sadoogh Abbasian
- Department of Internal Medicine, School of Medicine, Amiralmomenin Hospital, Arak University of Medical Sciences, Arak, Iran
| | - Azim Forouzan
- Department of Internal Medicine, School of Medicine, Amiralmomenin Hospital, Arak University of Medical Sciences, Arak, Iran
| | - Mojtaba Ahmadlou
- Department of Biostatistics, School of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Reza Nedaeinia
- Pediatric Inherited Diseases Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Saham Shaverdi
- Department of Biology, Payame Noor University (PNU), Tehran, Iran
| | - Mostafa Manian
- Department of Medical Laboratory Science, Faculty of Medicine, Islamic Azad University, Kermanshah, Iran
- Neurosciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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12
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Poisson LM, Kaur N, Felicella MM, Singh J. System-based integrated metabolomics and microRNA analysis identifies potential molecular alterations in human X-linked cerebral adrenoleukodystrophy brain. Hum Mol Genet 2023; 32:3249-3262. [PMID: 37656183 PMCID: PMC10656705 DOI: 10.1093/hmg/ddad144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 08/24/2023] [Indexed: 09/02/2023] Open
Abstract
X-linked adrenoleukodystrophy is a severe demyelinating neurodegenerative disease mainly affecting males. The severe cerebral adrenoleukodystrophy (cALD) phenotype has a poor prognosis and underlying mechanism of onset and progression of neuropathology remains poorly understood. In this study we aim to integrate metabolomic and microRNA (miRNA) datasets to identify variances associated with cALD. Postmortem brain tissue samples from five healthy controls (CTL) and five cALD patients were utilized in this study. White matter from ALD patients was obtained from normal-appearing areas, away from lesions (NLA) and from the periphery of lesions- plaque shadow (PLS). Metabolomics was performed by gas chromatography coupled with time-of-flight mass spectrometry and miRNA expression analysis was performed by next generation sequencing (RNAseq). Principal component analysis revealed that among the three sample groups (CTL, NLA and PLS) there were 19 miRNA, including several novel miRNA, of which 17 were increased with disease severity and 2 were decreased. Untargeted metabolomics revealed 13 metabolites with disease severity-related patterns with 7 increased and 6 decreased with disease severity. Ingenuity pathway analysis of differentially altered metabolites and miRNA comparing CTL with NLA and NLA with PLS, identified several hubs of metabolite and signaling molecules and their upstream regulation by miRNA. The transomic approach to map the crosstalk between miRNA and metabolomics suggests involvement of specific molecular and metabolic pathways in cALD and offers opportunity to understand the complex underlying mechanism of disease severity in cALD.
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Affiliation(s)
- Laila M Poisson
- Department of Public Health Science, Henry Ford Hospital, 2799 West Grand Blvd, Detroit, Michigan 48202, United States
| | - Navtej Kaur
- Department of Neurology, Henry Ford Hospital, 2799 West Grand Blvd, Detroit, Michigan 48202, United States
| | - Michelle M Felicella
- Department of Pathology, Henry Ford Hospital, 2799 West Grand Blvd, Detroit, Michigan 48202, United States
| | - Jaspreet Singh
- Department of Neurology, Henry Ford Hospital, 2799 West Grand Blvd, Detroit, Michigan 48202, United States
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13
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Mokhtarzadeh Khanghahi A, Rayatpour A, Baharvand H, Javan M. Neuroglial components of brain lesions may provide new therapeutic strategies for multiple sclerosis. Neurol Sci 2023; 44:3795-3807. [PMID: 37410268 DOI: 10.1007/s10072-023-06915-5] [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: 12/30/2022] [Accepted: 06/14/2023] [Indexed: 07/07/2023]
Abstract
Multiple sclerosis (MS) is a chronic autoimmune and demyelinating disease of the central nervous system (CNS) which leads to focal demyelinated lesions in the brain and spinal cord. Failure of remyelination contributes to chronic disability in young adults. Characterization of events occurring during the demyelination and remyelination processes and those of which subsequently limit remyelination or contribute to demyelination can provide the possibility of new therapies development for MS. Most of the currently available therapies and investigations modulate immune responses and mediators. Since most therapeutic strategies have unsatisfied outcomes, developing new therapies that enhance brain lesion repair is a priority. A close look at cellular and chemical components of MS lesions will pave the way to a better understanding of lesions pathology and will provide possible opportunities for repair strategies and targeted pharmacotherapy. This review summarizes the lesion components and features, particularly the detrimental elements, and discusses the possibility of suggesting new potential targets as therapies for demyelinating diseases like MS.
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Affiliation(s)
- Akram Mokhtarzadeh Khanghahi
- Department of Brain and Cognitive Sciences, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Atefeh Rayatpour
- Department of Physiology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
- Institute for Brain and Cognition, Tarbiat Modares University, Tehran, Iran
| | - Hossein Baharvand
- Department of Brain and Cognitive Sciences, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Mohammad Javan
- Department of Brain and Cognitive Sciences, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
- Department of Physiology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
- Institute for Brain and Cognition, Tarbiat Modares University, Tehran, Iran.
- International Collaboration on Repair Discoveries (ICORD), the University of British Columbia, Vancouver, BC, Canada.
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14
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Shelash Al-Hawary SI, Yahya Ali A, Mustafa YF, Margiana R, Maksuda Ilyasovna S, Ramadan MF, Almalki SG, Alwave M, Alkhayyat S, Alsalamy A. The microRNAs (miRs) overexpressing mesenchymal stem cells (MSCs) therapy in neurological disorders; hope or hype. Biotechnol Prog 2023; 39:e3383. [PMID: 37642165 DOI: 10.1002/btpr.3383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/30/2023] [Accepted: 08/09/2023] [Indexed: 08/31/2023]
Abstract
Altered expression of multiple miRNAs was found to be extensively involved in the pathogenesis of different neurological disorders including Alzheimer's disease, Parkinson's disease, stroke, epilepsy, multiple sclerosis, amyotrophic lateral sclerosis, and Huntington's disease. One of the biggest concerns within gene-based therapy is the delivery of the therapeutic microRNAs to the intended place, which is obligated to surpass the biological barriers without undergoing degradation in the bloodstream or renal excretion. Hence, the delivery of modified and unmodified miRNA molecules using excellent vehicles is required. In this light, mesenchymal stem cells (MSCs) have attracted increasing attention. The MSCs can be genetically modified to express or overexpress a particular microRNA aimed with promote neurogenesis and neuroprotection. The current review has focused on the therapeutic capabilities of microRNAs-overexpressing MSCs to ameliorate functional deficits in neurological conditions.
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Affiliation(s)
| | - Anas Yahya Ali
- Department of Nursing, Al-maarif University College, Ramadi, Al-Anbar, Iraq
| | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul, Iraq
| | - Ria Margiana
- Department of Anatomy, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
- Master's Programme Biomedical Sciences, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
- Andrology Program, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia
- Dr. Soetomo General Academic Hospital, Surabaya, Indonesia
| | | | | | - Sami G Almalki
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Majmaah, Saudi Arabia
| | - Marim Alwave
- Medical Technical College, Al-Farahidi University, Baghdad, Iraq
| | - Safa Alkhayyat
- College of Pharmacy, The Islamic University, Najaf, Iraq
| | - Ali Alsalamy
- College of Technical Engineering, Imam Ja'afar Al-Sadiq University, Al-Muthanna, Iraq
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15
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Casanova I, Domínguez-Mozo MI, De Torres L, Aladro-Benito Y, García-Martínez Á, Gómez P, Abellán S, De Antonio E, Álvarez-Lafuente R. MicroRNAs Associated with Disability Progression and Clinical Activity in Multiple Sclerosis Patients Treated with Glatiramer Acetate. Biomedicines 2023; 11:2760. [PMID: 37893133 PMCID: PMC10604830 DOI: 10.3390/biomedicines11102760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 10/04/2023] [Accepted: 10/08/2023] [Indexed: 10/29/2023] Open
Abstract
MicroRNAs (miRNAs) are promising biomarkers in multiple sclerosis (MS). This study aims to investigate the association between a preselected list of miRNAs in serum with therapeutic response to Glatiramer Acetate (GA) and with the clinical evolution of a cohort of relapsing-remitting MS (RRMS) patients. We conducted a longitudinal study for 5 years, with cut-off points at 2 and 5 years, including 26 RRMS patients treated with GA for at least 6 months. A total of 6 miRNAs from a previous study (miR-9.5p, miR-126.3p, mir-138.5p, miR-146a.5p, miR-200c.3p, and miR-223.3p) were selected for this analysis. Clinical relapse, MRI activity, confirmed disability progression (CDP), alone or in combination (No Evidence of Disease Activity-3) (NEDA-3), and Expanded Disability Status Scale (EDSS), were studied. After multivariate regression analysis, miR-9.5p was associated with EDSS progression at 2 years (β = 0.23; 95% CI: 0.04-0.46; p = 0.047). Besides this, mean miR-138.5p values were lower in those patients with NEDA-3 at 2 years (p = 0.033), and miR-146a.5p and miR-126.3p were higher in patients with CDP progression at 2 years (p = 0.044 and p = 0.05 respectively. These results reinforce the use of microRNAs as potential biomarkers in multiple sclerosis. We will need more studies to corroborate these data and to better understand the role of microRNAs in the pathophysiology of this disease.
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Affiliation(s)
- Ignacio Casanova
- Department of Neurology, Torrejon University Hospital, 28850 Madrid, Spain; (I.C.); (L.D.T.); (P.G.); (S.A.)
- School of Medicine, Universidad Francisco de Vitoria, 28223 Madrid, Spain
| | - María I. Domínguez-Mozo
- Research Group in Environmental Factors of Neurodegenerative Diseases, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), 28040 Madrid, Spain; (Á.G.-M.); (R.Á.-L.)
| | - Laura De Torres
- Department of Neurology, Torrejon University Hospital, 28850 Madrid, Spain; (I.C.); (L.D.T.); (P.G.); (S.A.)
| | | | - Ángel García-Martínez
- Research Group in Environmental Factors of Neurodegenerative Diseases, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), 28040 Madrid, Spain; (Á.G.-M.); (R.Á.-L.)
| | - Patricia Gómez
- Department of Neurology, Torrejon University Hospital, 28850 Madrid, Spain; (I.C.); (L.D.T.); (P.G.); (S.A.)
- School of Medicine, Universidad Francisco de Vitoria, 28223 Madrid, Spain
| | - Sara Abellán
- Department of Neurology, Torrejon University Hospital, 28850 Madrid, Spain; (I.C.); (L.D.T.); (P.G.); (S.A.)
| | - Esther De Antonio
- Department of Radiology, Torrejon University Hospital, 28850 Madrid, Spain;
| | - Roberto Álvarez-Lafuente
- Research Group in Environmental Factors of Neurodegenerative Diseases, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), 28040 Madrid, Spain; (Á.G.-M.); (R.Á.-L.)
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16
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Geiger L, Orsi G, Cseh T, Gombos K, Illés Z, Czéh B. Circulating microRNAs correlate with structural and functional MRI parameters in patients with multiple sclerosis. Front Mol Neurosci 2023; 16:1173212. [PMID: 37881368 PMCID: PMC10597671 DOI: 10.3389/fnmol.2023.1173212] [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: 02/24/2023] [Accepted: 09/21/2023] [Indexed: 10/27/2023] Open
Abstract
Introduction Circulating microRNAs are promising biomarkers for multiple sclerosis (MS). Our aim was to correlate serum microRNA levels with various magnetic resonance imaging (MRI) parameters. Methods We recruited 50 MS patients and measured cervical spine and cerebral white matter lesions together with regional brain volumes. Microstructural changes in the white matter were investigated with diffusion tensor imaging. Magnetic resonance spectroscopy was performed to measure cerebral metabolites. Functional connectivity within the default mode network was examined with resting-state functional MRI. On the day of the MRI measurements, we collected serum samples and carried out quantitative analysis of ten pre-selected microRNAs using droplet digital PCR. Results Serum level of miR-143.3p could differentiate between MS subtypes and had lower levels in progressive MS types. We found significant associations between microRNA levels and MRI measures: (1) higher miR-92a.3p and miR-486.5p levels were associated with greater total white matter lesion volumes within the cervical spine, (2) decreased miR-142.5p levels was associated with reduced total creatinine concentration and (3) miR-92a.3p, miR-142.5p and miR-486.5p levels were associated with functional connectivity strengths between specific nodes of the default mode network. Specifically, we found a negative association between miR-92a.3p and miR-486.5p levels and connectivity strength between the lateral temporal cortex and posterior inferior parietal lobule, and a positive association between miR-142.5p level and connectivity strength between the retrosplenial cortex and temporal pole. However, miRNA levels were not associated with regional brain volumes. Conclusion We provide here further evidence that circulating microRNAs may show correlation with both structural and functional neuroimaging outcomes in patients with MS.
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Affiliation(s)
- Lili Geiger
- Department of Laboratory Medicine, Medical School, University of Pécs, Pécs, Hungary
- Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Gergely Orsi
- HUN-REN-PTE Clinical Neuroscience MR Research Group, Eötvös Loránd Research Network, Pécs, Hungary
- Department of Neurology, Medical School, University of Pécs, Pécs, Hungary
- Pécs Diagnostic Centre, Pécs, Hungary
| | - Tamás Cseh
- Department of Neurology, Medical School, University of Pécs, Pécs, Hungary
| | - Katalin Gombos
- Department of Laboratory Medicine, Medical School, University of Pécs, Pécs, Hungary
- Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Zsolt Illés
- Department of Neurology, Medical School, University of Pécs, Pécs, Hungary
- Department of Neurology, Odense University Hospital, Odense, Denmark
- Institute of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Boldizsár Czéh
- Department of Laboratory Medicine, Medical School, University of Pécs, Pécs, Hungary
- Szentágothai Research Centre, University of Pécs, Pécs, Hungary
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17
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Mohammadi-Kordkhayli M, Sahraian MA, Ghorbani S, Mansouri F, Talebi F, Noorbakhsh F, Saboor-Yaraghi AA. Vitamins A and D Enhance the Expression of Ror-γ-Targeting miRNAs in a Mouse Model of Multiple Sclerosis. Mol Neurobiol 2023; 60:5853-5865. [PMID: 37353624 DOI: 10.1007/s12035-023-03427-3] [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: 01/05/2023] [Accepted: 06/05/2023] [Indexed: 06/25/2023]
Abstract
Autoreactive T cells, particularly those characterized by a Th17 phenotype, exert significant influence on the pathogenesis of multiple sclerosis (MS). The present study aimed to elucidate the impact of individual and combined administration of vitamin A and D on neuroinflammation, and microRNAs (miRNAs) involved in T helper (Th)17 development, utilizing a murine model of experimental autoimmune encephalomyelitis (EAE). EAE was induced in C57BL/6 mice, and 3 days prior to immunization, intraperitoneal injections of vitamins A and D or their combination were administered. Th17 cell percentages were determined in splenocytes utilizing intracellular staining and flow cytometry. Furthermore, the expression of Ror γ-t, miR-98-5p and Let-7a-5p, was measured in both splenocytes and spinal cord tissues using RT-PCR. Treatment with vitamin A and D resulted in a reduction in both disease severity in EAE mice. Treated mice showed a decreased frequency of Th17 cells and lower expression levels of IL17 and Ror γ-t in splenocytes and spinal cord. The spinal cord tissues and splenocytes of mice treated with vitamins A, D, and combined A+D showed a significant upregulation of miR-98-5p and Let-7a-5p compared to the EAE group. Statistical analysis indicated a strong negative correlation between miR-98-5p and Let-7a-5p levels in splenocytes and Ror-t expression. Our findings indicate that the administration of vitamins A and D exerts a suppressive effect on neuroinflammation in EAE that is associated with a reduction in the differentiation of T cells into the Th17 phenotype and is mediated by the upregulation of miR-98-5p and Let-7a-5p, which target the Ror γ-t.
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Affiliation(s)
- Marziyeh Mohammadi-Kordkhayli
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Hotchkiss Brain Institute and Department of Clinical Neurosciences, University of Calgary, Alberta, Canada
| | - Mohammad Ali Sahraian
- Sina MS Research Center, Sina Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Samira Ghorbani
- Hotchkiss Brain Institute and Department of Clinical Neurosciences, University of Calgary, Alberta, Canada
| | - Fatemeh Mansouri
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Farideh Talebi
- Immunoregulation Research Center, Shahed University, Tehran, Iran
| | - Farshid Noorbakhsh
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | - Ali Akbar Saboor-Yaraghi
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
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18
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Shademan B, Zakeri M, Abbasi S, Biray Avci C, Karamad V, Sogutlu F, Laghousi D, Nouri M, Hassanpour M, Nourazarian A. Relationship between miRNA-21, miRNA-155, and miRNA-182 expression and inflammatory factors in cerebrospinal fluid from patients with multiple sclerosis. Clin Neurol Neurosurg 2023; 232:107873. [PMID: 37453285 DOI: 10.1016/j.clineuro.2023.107873] [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: 05/02/2022] [Revised: 06/22/2023] [Accepted: 07/03/2023] [Indexed: 07/18/2023]
Abstract
BACKGROUND The impact of microRNAs (miRNAs) on the differentiation and function of inflammatory cells is well-established. MiRNAs play a crucial role in modulating the expression of pro-inflammatory genes in neuronal cells as well. With this knowledge in mind, our study aimed to explore the relationship between the expression of miRNAs and inflammatory markers in the cerebrospinal fluid (CSF) of patients diagnosed with multiple sclerosis (MS). By investigating this relationship, we aimed to gain insights into the potential involvement of miRNAs in the regulation of inflammation in the context of MS. MATERIALS AND METHODS The expression levels of miRNA-21, miRNA-155, and miRNA-182 in cerebrospinal fluid (CSF) samples from multiple sclerosis (MS) patients and controls were determined by RT-PCR. CSF levels of the inflammatory cytokines IL-1β, IL-6, and TNF-α were measured by enzyme-linked immunosorbent assay (ELISA). In addition, high-sensitivity C-reactive protein (hs-CRP) levels were measured by quantitative turbidimetry. RESULTS The expression levels of microRNAs and inflammatory factors were found to be significantly higher in the CSF of MS patients compared to controls (P < 0.05). Receiver operating characteristics (ROC) analysis revealed that miRNA-21, miRNA-182, and miRNA-155 had a high area under the curve (AUC) in discriminating MS patients, with AUC values of 0.97 (P < 0.0001) for miRNA-21, 0.97 (P < 0.0001) for miRNA-182, and 0.96 (P < 0.0001) for miRNA-155. Notably, CSF miRNA-155 showed the highest accuracy in correctly diagnosing MS. Furthermore, a statistically significant relationship was observed between inflammatory cytokines and miRNA-21, miRNA-155 and miRNA-182. CONCLUSION Our results demonstrated that cerebrospinal fluid (CSF) levels of IL-1β, IL-6, TNF-α, hs-CRP and specific miRNAs serve as biomarkers for assessing central nervous system (CNS) inflammation and neurodegenerative processes in patients with multiple sclerosis (MS).
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Affiliation(s)
- Behrouz Shademan
- Department of Medical Biology, Faculty of Medicine, EGE University, Izmir, Turkey
| | - Mana Zakeri
- Department of Biology, Islamic Azad University, Tehran Medicine Branch, Tehran, Iran
| | - Samane Abbasi
- Department of Biology, Faculty of Sciences, University of Guilan, Rasht, Iran
| | - Cigir Biray Avci
- Department of Medical Biology, Faculty of Medicine, EGE University, Izmir, Turkey
| | - Vahidreza Karamad
- Department of Medical Biology, Faculty of Medicine, EGE University, Izmir, Turkey
| | - Fatma Sogutlu
- Department of Medical Biology, Faculty of Medicine, EGE University, Izmir, Turkey
| | - Delara Laghousi
- Social Determinants of Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Nouri
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehdi Hassanpour
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Alireza Nourazarian
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran; Department of Basic Medical Sciences, Khoy University of Medical Sciences, Khoy, Iran.
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19
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Mohammadinasr M, Montazersaheb S, Molavi O, Kahroba H, Talebi M, Ayromlou H, Hejazi MS. Multiplex Analysis of Cerebrospinal Fluid and Serum Exosomes MicroRNAs of Untreated Relapsing Remitting Multiple Sclerosis (RRMS) and Proposing Noninvasive Diagnostic Biomarkers. Neuromolecular Med 2023; 25:402-414. [PMID: 37020076 DOI: 10.1007/s12017-023-08744-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Accepted: 03/19/2023] [Indexed: 04/07/2023]
Abstract
Exosomal microRNAs (miRNAs) are emerging diagnostic biomarkers for neurodegenerative diseases. In this study, we aimed to detect relapsing-remitting multiple sclerosis (RRMS)-specific miRNAs in cerebrospinal fluid (CSF) and serum exosomes with diagnostic potential. One ml of CSF and serum sample were collected from each of the 30 untreated RRMS patients and healthy controls (HCs). A panel of 18 miRNAs affecting inflammatory responses was applied, and qRT-PCR was conducted to detect differentially expressed exosomal miRNAs in CSF and serum of RRMS patients. We identified that 17 out of 18 miRNAs displayed different patterns in RRMS patients compared to HCs. Let-7 g-5p, miR-18a-5p, miR-145-5p, and miR-374a-5p with dual pro-inflammatory and anti-inflammatory actions and miR-150-5p and miR-342-3p with anti-inflammatory action were significantly upregulated in both CSF and serum-derived exosomes of RRMS patients compared to corresponding HCs. Additionally, anti-inflammatory miR-132-5p and pro-inflammatory miR-320a-5p were significantly downregulated in both CSF and serum-derived exosomes of RRMS patients compared to HCs. Ten of 18 miRNAs were differentially expressed in CSF and serum exosomes of the patients. Furthermore, miR-15a-5p, miR-19b-3p, and miR-432-5p were upregulated, and miR-17-5p was downregulated only in CSF exosomes. Interestingly, U6 housekeeping gene was differentially expressed in CSF and serum exosomes, in both RRMS and HCs. As the first report describing CSF exosomal miRNAs expression profile compared to that of serum exosomes in untreated RRMS patients, we showed that CSF and serum exosomes are not identical in terms of biological compounds and display different patterns in miRNAs and U6 expression.
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Affiliation(s)
- Mina Mohammadinasr
- Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soheila Montazersaheb
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ommoleila Molavi
- Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Houman Kahroba
- Department of Toxicogenomics, GROW School of Oncology and Development Biology, Maastricht University, Maastricht, The Netherlands
- Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium
| | - Mahnaz Talebi
- Neuroscience Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hormoz Ayromlou
- Neuroscience Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Saeid Hejazi
- Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.
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20
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Kunze R, Fischer S, Marti HH, Preissner KT. Brain alarm by self-extracellular nucleic acids: from neuroinflammation to neurodegeneration. J Biomed Sci 2023; 30:64. [PMID: 37550658 PMCID: PMC10405513 DOI: 10.1186/s12929-023-00954-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 07/22/2023] [Indexed: 08/09/2023] Open
Abstract
Neurological disorders such as stroke, multiple sclerosis, as well as the neurodegenerative diseases Parkinson's or Alzheimer's disease are accompanied or even powered by danger associated molecular patterns (DAMPs), defined as endogenous molecules released from stressed or damaged tissue. Besides protein-related DAMPs or "alarmins", numerous nucleic acid DAMPs exist in body fluids, such as cell-free nuclear and mitochondrial DNA as well as different species of extracellular RNA, collectively termed as self-extracellular nucleic acids (SENAs). Among these, microRNA, long non-coding RNAs, circular RNAs and extracellular ribosomal RNA constitute the majority of RNA-based DAMPs. Upon tissue injury, necrosis or apoptosis, such SENAs are released from neuronal, immune and other cells predominantly in association with extracellular vesicles and may be translocated to target cells where they can induce intracellular regulatory pathways in gene transcription and translation. The majority of SENA-induced signaling reactions in the brain appear to be related to neuroinflammatory processes, often causally associated with the onset or progression of the respective disease. In this review, the impact of the diverse types of SENAs on neuroinflammatory and neurodegenerative diseases will be discussed. Based on the accumulating knowledge in this field, several specific antagonistic approaches are presented that could serve as therapeutic interventions to lower the pathological outcome of the indicated brain disorders.
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Affiliation(s)
- Reiner Kunze
- Institute of Physiology and Pathophysiology, Department of Cardiovascular Physiology, Ruprecht-Karls-University, Im Neuenheimer Feld 326, 69120 Heidelberg, Germany
| | - Silvia Fischer
- Department of Biochemistry, Medical School, Justus-Liebig-University, Giessen, Germany
| | - Hugo H. Marti
- Institute of Physiology and Pathophysiology, Department of Cardiovascular Physiology, Ruprecht-Karls-University, Im Neuenheimer Feld 326, 69120 Heidelberg, Germany
| | - Klaus T. Preissner
- Department of Biochemistry, Medical School, Justus-Liebig-University, Giessen, Germany
- Kerckhoff-Heart-Research-Institute, Department of Cardiology, Medical School, Justus-Liebig-University, Giessen, Germany
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21
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Bechara R, Vagner S, Mariette X. Post-transcriptional checkpoints in autoimmunity. Nat Rev Rheumatol 2023; 19:486-502. [PMID: 37311941 DOI: 10.1038/s41584-023-00980-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/10/2023] [Indexed: 06/15/2023]
Abstract
Post-transcriptional regulation is a fundamental process in gene expression that has a role in diverse cellular processes, including immune responses. A core concept underlying post-transcriptional regulation is that protein abundance is not solely determined by transcript abundance. Indeed, transcription and translation are not directly coupled, and intervening steps occur between these processes, including the regulation of mRNA stability, localization and alternative splicing, which can impact protein abundance. These steps are controlled by various post-transcription factors such as RNA-binding proteins and non-coding RNAs, including microRNAs, and aberrant post-transcriptional regulation has been implicated in various pathological conditions. Indeed, studies on the pathogenesis of autoimmune and inflammatory diseases have identified various post-transcription factors as important regulators of immune cell-mediated and target effector cell-mediated pathological conditions. This Review summarizes current knowledge regarding the roles of post-transcriptional checkpoints in autoimmunity, as evidenced by studies in both haematopoietic and non-haematopoietic cells, and discusses the relevance of these findings for developing new anti-inflammatory therapies.
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Affiliation(s)
- Rami Bechara
- Université Paris-Saclay, Inserm, CEA, Immunologie des maladies virales, auto-immunes, hématologiques et bactériennes (IMVA-HB/IDMIT/UMR1184), Le Kremlin Bicêtre, France.
| | - Stephan Vagner
- Institut Curie, CNRS UMR3348, INSERM U1278, PSL Research University, Université Paris-Saclay, Orsay, France
| | - Xavier Mariette
- Université Paris-Saclay, Inserm, CEA, Immunologie des maladies virales, auto-immunes, hématologiques et bactériennes (IMVA-HB/IDMIT/UMR1184), Le Kremlin Bicêtre, France
- Assistance Publique - Hôpitaux de Paris, Hôpital Bicêtre, Department of Rheumatology, Le Kremlin Bicêtre, France
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22
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Thompson JW, Hu R, Huffaker TB, Ramstead AG, Ekiz HA, Bauer KM, Tang WW, Ghazaryan A, Round JL, Fujinami RS, O’Connell RM. MicroRNA-155 Plays Selective Cell-Intrinsic Roles in Brain-Infiltrating Immune Cell Populations during Neuroinflammation. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 210:926-934. [PMID: 36883849 PMCID: PMC10305808 DOI: 10.4049/jimmunol.2200478] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 01/27/2023] [Indexed: 03/09/2023]
Abstract
The proinflammatory microRNA-155 (miR-155) is highly expressed in the serum and CNS lesions of patients with multiple sclerosis (MS). Global knockout (KO) of miR-155 in mice confers resistance to a mouse model of MS, experimental autoimmune encephalomyelitis (EAE), by reducing the encephalogenic potential of CNS-infiltrating Th17 T cells. However, cell-intrinsic roles for miR-155 during EAE have not been formally determined. In this study, we use single-cell RNA sequencing and cell-specific conditional miR-155 KOs to determine the importance of miR-155 expression in distinct immune cell populations. Time-course single-cell sequencing revealed reductions in T cells, macrophages, and dendritic cells (DCs) in global miR-155 KO mice compared with wild-type controls at day 21 after EAE induction. Deletion of miR-155 in T cells, driven by CD4 Cre, significantly reduced disease severity similar to global miR-155 KOs. CD11c Cre-mediated deletion of miR-155 in DCs also resulted in a modest yet significant reduction in the development of EAE, with both T cell- and DC-specific KOs showing a reduction in Th17 T cell infiltration into the CNS. Although miR-155 is highly expressed in infiltrating macrophages during EAE, deletion of miR-155 using LysM Cre did not impact disease severity. Taken together, these data show that although miR-155 is highly expressed in most infiltrating immune cells, miR-155 has distinct roles and requirements depending on the cell type, and we have demonstrated this using the gold standard conditional KO approach. This provides insights into which functionally relevant cell types should be targeted by the next generation of miRNA therapeutics.
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Affiliation(s)
- Jacob W. Thompson
- Department of Pathology, Division of Microbiology and Immunology, University of Utah, Salt Lake City, UT 84112
| | - Ruozhen Hu
- Department of Pathology, Division of Microbiology and Immunology, University of Utah, Salt Lake City, UT 84112
| | - Thomas B. Huffaker
- Department of Pathology, Division of Microbiology and Immunology, University of Utah, Salt Lake City, UT 84112
| | - Andrew G. Ramstead
- Department of Pathology, Division of Microbiology and Immunology, University of Utah, Salt Lake City, UT 84112
| | - H. Atakan Ekiz
- Department of Pathology, Division of Microbiology and Immunology, University of Utah, Salt Lake City, UT 84112
| | - Kaylyn M. Bauer
- Department of Pathology, Division of Microbiology and Immunology, University of Utah, Salt Lake City, UT 84112
| | - William W. Tang
- Department of Pathology, Division of Microbiology and Immunology, University of Utah, Salt Lake City, UT 84112
| | - Arevik Ghazaryan
- Department of Pathology, Division of Microbiology and Immunology, University of Utah, Salt Lake City, UT 84112
| | - June L. Round
- Department of Pathology, Division of Microbiology and Immunology, University of Utah, Salt Lake City, UT 84112
- Hunstman Cancer Institute, University of Utah, Salt Lake City, UT 84112
| | - Robert S. Fujinami
- Department of Pathology, Division of Microbiology and Immunology, University of Utah, Salt Lake City, UT 84112
| | - Ryan M. O’Connell
- Department of Pathology, Division of Microbiology and Immunology, University of Utah, Salt Lake City, UT 84112
- Hunstman Cancer Institute, University of Utah, Salt Lake City, UT 84112
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23
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Yan H, Huang W, Chen C, Zhang X, Zhu K, Yuan J. MiR-133a/CD47 axis is a novel prognostic biomarker to promote triple negative breast cancer progression. Pathol Res Pract 2023; 244:154400. [PMID: 36893709 DOI: 10.1016/j.prp.2023.154400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 03/01/2023] [Accepted: 03/03/2023] [Indexed: 03/07/2023]
Abstract
Cluster of differentiation 47 (CD47) acts as an anti-engulfment signal on tumor cells, and its overexpression is correlated with poor prognosis of various malignant tumors. However, the role and mechanism of CD47 in tumor cell proliferation, migration and apoptosis remain unclarified. Emerging evidence indicates that microRNAs (miRNAs) are potential regulators to mediate CD47 generation. In this study, we found that CD47 was up-regulated while miR-133a was down-regulated in triple-negative breast cancer (TNBC) in vitro and in vivo. Moreover, we demonstrated for the first time that CD47 was a direct target of miR-133a in TNBC cells, and provided direct evidence of the inverse correlation between miR-133a and CD47 expression in TNBC. Besides, miR-133a functioned as a tumor suppressor to inhibit proliferation and migration, and promote apoptosis of TNBC cells by targeting CD47. Furthermore, overexpression of miR-133a inhibited the tumor growth of TNBC in an in vivo xenograft animal model by targeting CD47. Thus, miR-133a/CD47 axis provides new insight into the mechanism of TNBC progression and could be a promising candidate in the diagnosis and treatment of TNBC.
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Affiliation(s)
- Honglin Yan
- Department of Pathology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, PR China
| | - Wenxian Huang
- Department of Pathology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, PR China
| | - Chuang Chen
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, PR China
| | - Xiuyun Zhang
- Department of Pathology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, PR China
| | - Kaimei Zhu
- Department of Gastrointestinal Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, PR China.
| | - Jingping Yuan
- Department of Pathology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, PR China.
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24
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Elkhodiry AA, Zamzam DA, El Tayebi HM. MicroRNA‑155 modulation of CD8 + T‑cell activity personalizes response to disease‑modifying therapies of patients with relapsing‑remitting multiple sclerosis. MEDICINE INTERNATIONAL 2023; 3:20. [PMID: 37032715 PMCID: PMC10080195 DOI: 10.3892/mi.2023.80] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 02/02/2023] [Indexed: 04/11/2023]
Abstract
Multiple sclerosis (MS) is a chronic autoimmune disease where activated immune cells can attack oligodendrocytes causing damage to the myelin sheath. Several molecular mechanisms are responsible for the auto-activation of immune cells such as RNA interference (RNAi) through microRNAs (miRNAs or miRs). In the present study, the role of miR-155 in regulating CD8+ T-cell activity in patients with relapsing-remitting multiple sclerosis (RRMS) was investigated, in terms of its migratory functions with regard to intracellular adhesion molecule-1 (ICAM1) and integrin subunit β2 (ITGB2), and its cytotoxic proteins, perforin and granzyme B. Gene expression of miR-155, ICAM1, ITGB2, perforin and granzyme B was evaluated following epigenetic modulations using reverse transcription-quantitative polymerase chain reaction in CD8+ T-cells isolated from blood samples of patients with RRMS and compared to healthy controls. The ectopic expression of miR-155 resulted in a persistent downregulation in all genes of interest related to CD8+ T-cell activation that were positively correlated with the Expanded Disability Status Scale of patients. The present study revealed the interplay between miR-155, ICAM1, and ITGB2, shedding light on their beneficial use as possible therapeutic regulators and diagnostic biomarkers of disease. Moreover, epigenetic modulations enhancing the efficacy of disease-modifying therapies (DMTs) may be employed as personalized therapy, to decrease the side effects of DMTs and improve the outcomes of patients.
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Affiliation(s)
- Aya A. Elkhodiry
- Molecular Pharmacology Research Group, Department of Pharmacology, Toxicology and Clinical Pharmacy, Faculty of Pharmacy and Biotechnology, German University in Cairo, Cairo 11835, Egypt
| | - Dina A. Zamzam
- Department of Neurology, Faculty of Medicine, Ain Shams University, Cairo 11566, Egypt
| | - Hend M. El Tayebi
- Molecular Pharmacology Research Group, Department of Pharmacology, Toxicology and Clinical Pharmacy, Faculty of Pharmacy and Biotechnology, German University in Cairo, Cairo 11835, Egypt
- Correspondence to: Dr Hend M. El Tayebi, Molecular Pharmacology Research Group, Department of Pharmacology, Toxicology and Clinical Pharmacy, Faculty of Pharmacy and Biotechnology, German University in Cairo, Gamal Abdelnasser Street, Main Entrance Al Tagamoa Al Khames, New Cairo, Cairo 11835, Egypt
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25
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Zamboni S, D'Ambrosio A, Margutti P. Extracellular vesicles as contributors in the pathogenesis of multiple sclerosis. Mult Scler Relat Disord 2023; 71:104554. [PMID: 36842311 DOI: 10.1016/j.msard.2023.104554] [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: 12/20/2022] [Revised: 02/01/2023] [Accepted: 02/04/2023] [Indexed: 02/22/2023]
Abstract
Extracellular vesicles (EVs) are a heterogeneous family of extracellular structures bounded by a phospholipid bilayer, released by all cell types in various biological fluids, such as blood and cerebrospinal fluid (CSF), playing important roles in intercellular communication, both locally and systemically. EVs carry and deliver a variety of bioactive molecules (proteins, nucleic acids, lipids and metabolites), conferring epigenetic and phenotypic changes to the recipient cells and thus resulting as important mediators of both homeostasis and pathogenesis. In neurological diseases, such as multiple sclerosis (MS), the EV ability to cross Blood-Brain Barrier (BBB), moving from central nervous system (CNS) to the peripheral circulation and vice versa, has increased the interest in EV study in the neurological field. In the present review, we will provide an overview of the recent advances made in understanding the pathogenic role of EVs regarding the immune response, the BBB dysfunction and the CNS inflammatory processes.
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Affiliation(s)
- Silvia Zamboni
- Department of Neurosciences, Istituto Superiore di Sanità, Rome, Italy
| | | | - Paola Margutti
- Department of Neurosciences, Istituto Superiore di Sanità, Rome, Italy.
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26
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Impact of the Voltage-Gated Calcium Channel Antagonist Nimodipine on the Development of Oligodendrocyte Precursor Cells. Int J Mol Sci 2023; 24:ijms24043716. [PMID: 36835129 PMCID: PMC9960570 DOI: 10.3390/ijms24043716] [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: 01/02/2023] [Revised: 01/31/2023] [Accepted: 02/06/2023] [Indexed: 02/17/2023] Open
Abstract
Multiple sclerosis (MS) is an inflammatory demyelinating disease of the central nervous system (CNS). While most of the current treatment strategies focus on immune cell regulation, except for the drug siponimod, there is no therapeutic intervention that primarily aims at neuroprotection and remyelination. Recently, nimodipine showed a beneficial and remyelinating effect in experimental autoimmune encephalomyelitis (EAE), a mouse model of MS. Nimodipine also positively affected astrocytes, neurons, and mature oligodendrocytes. Here we investigated the effects of nimodipine, an L-type voltage-gated calcium channel antagonist, on the expression profile of myelin genes and proteins in the oligodendrocyte precursor cell (OPC) line Oli-Neu and in primary OPCs. Our data indicate that nimodipine does not have any effect on myelin-related gene and protein expression. Furthermore, nimodipine treatment did not result in any morphological changes in these cells. However, RNA sequencing and bioinformatic analyses identified potential micro (mi)RNA that could support myelination after nimodipine treatment compared to a dimethyl sulfoxide (DMSO) control. Additionally, we treated zebrafish with nimodipine and observed a significant increase in the number of mature oligodendrocytes (* p≤ 0.05). Taken together, nimodipine seems to have different positive effects on OPCs and mature oligodendrocytes.
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27
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Nani P, Ladopoulou M, Papaioannou EH, Papagianni ED, Antonatos C, Xiropotamos P, Kapsoritakis A, Potamianos PS, Karmiris K, Tzathas C, Patsatsi A, Lazaridou E, Zafiriou E, Roussaki-Schulze A, Georgiou S, Grafanaki K, Georgakilas GK, Vasilopoulos Y. Pharmacogenetic Analysis of the MIR146A rs2910164 and MIR155 rs767649 Polymorphisms and Response to Anti-TNF Treatment in Patients with Crohn's Disease and Psoriasis. Genes (Basel) 2023; 14:445. [PMID: 36833372 PMCID: PMC9957441 DOI: 10.3390/genes14020445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 01/31/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023] Open
Abstract
The clinical heterogeneity regarding the response profile of the antitumor necrosis factor (anti-TNF) in patients with Crohn's disease (CD) and psoriasis (PsO) is attributed, amongst others, to genetic factors that influence the regulatory mechanisms which orchestrate the inflammatory response. Here, we investigated the possible associations between the MIR146A rs2910164 and MIR155 rs767649 variants and the response to anti-TNF therapy in a Greek cohort of 103 CD and 100 PsO patients. We genotyped 103 CD patients and 100 PsO patients via the PCR-RFLP method, utilizing the de novo formation of a restriction site for the SacI enzyme considering the MIR146A rs2910164, while Tsp45I was employed for the MIR155 rs767649 variant. Additionally, we investigated the potential functional role of the rs767649 variant, exploring in silico the alteration of transcription factor binding sites (TFBSs) mapped on its genomic location. Our single-SNP analysis displayed a significant association between the rare rs767649 A allele and response to therapy (Bonferroni-corrected p value = 0.012) in patients with PsO, a result further enhanced by the alteration in the IRF2 TFBS caused by the above allele. Our results highlight the protective role of the rare rs767649 A allele in the clinical remission of PsO, implying its utilization as a pharmacogenetic biomarker.
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Affiliation(s)
- Paraskevi Nani
- Laboratory of Genetics, Section of Genetics, Cell Biology and Development, Department of Biology, University of Patras, 26504 Patras, Greece
| | - Melpomeni Ladopoulou
- Laboratory of Genetics, Section of Genetics, Cell Biology and Development, Department of Biology, University of Patras, 26504 Patras, Greece
| | - Evgenia H. Papaioannou
- Laboratory of Genetics, Section of Genetics, Cell Biology and Development, Department of Biology, University of Patras, 26504 Patras, Greece
| | - Evangelia D. Papagianni
- Laboratory of Genetics, Section of Genetics, Cell Biology and Development, Department of Biology, University of Patras, 26504 Patras, Greece
| | - Charalabos Antonatos
- Laboratory of Genetics, Section of Genetics, Cell Biology and Development, Department of Biology, University of Patras, 26504 Patras, Greece
| | - Panagiotis Xiropotamos
- Laboratory of Genetics, Section of Genetics, Cell Biology and Development, Department of Biology, University of Patras, 26504 Patras, Greece
| | - Andreas Kapsoritakis
- Gastroenterology Department, University General Hospital of Larissa, 41110 Larissa, Greece
| | - Petros S. Potamianos
- Gastroenterology Department, University General Hospital of Larissa, 41110 Larissa, Greece
| | - Konstantinos Karmiris
- Gastroenterology Department, “Venizeleio Pananeio” General Hospital of Heraklion, 71409 Heraklion, Greece
| | - Charalambos Tzathas
- Gastroenterology Department, “Tzaneio” General Hospital of Piraeus, 18536 Athens, Greece
| | - Aikaterini Patsatsi
- 2nd Dermatology Department, Medical School, Papageorgiou Hospital, Aristotle University, 56403 Thessaloniki, Greece
- BioPsorAD Consortium, 26504 Patras, Greece
| | - Elisavet Lazaridou
- 2nd Dermatology Department, Medical School, Papageorgiou Hospital, Aristotle University, 56403 Thessaloniki, Greece
- BioPsorAD Consortium, 26504 Patras, Greece
| | - Efterpi Zafiriou
- BioPsorAD Consortium, 26504 Patras, Greece
- Department of Dermatology, University General Hospital Larissa, University of Thessaly, 41334 Larissa, Greece
| | - Angeliki Roussaki-Schulze
- BioPsorAD Consortium, 26504 Patras, Greece
- Department of Dermatology, University General Hospital Larissa, University of Thessaly, 41334 Larissa, Greece
| | - Sophia Georgiou
- BioPsorAD Consortium, 26504 Patras, Greece
- Dermatology Department, Medical School, University of Patras, 26504 Patras, Greece
| | - Katerina Grafanaki
- BioPsorAD Consortium, 26504 Patras, Greece
- Dermatology Department, Medical School, University of Patras, 26504 Patras, Greece
| | - Georgios K. Georgakilas
- Laboratory of Genetics, Section of Genetics, Cell Biology and Development, Department of Biology, University of Patras, 26504 Patras, Greece
- Laboratory of Hygiene and Epidemiology, Department of Clinical and Laboratory Research, Faculty of Medicine, University of Thessaly, 38334 Volos, Greece
| | - Yiannis Vasilopoulos
- Laboratory of Genetics, Section of Genetics, Cell Biology and Development, Department of Biology, University of Patras, 26504 Patras, Greece
- BioPsorAD Consortium, 26504 Patras, Greece
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28
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Saini A, Varshney A, Saini A, Mani I. Insight into epigenetics and human diseases. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2023; 197:1-21. [PMID: 37019588 DOI: 10.1016/bs.pmbts.2023.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
Abstract
The most eminent research of the 21st century whirls around the epigenetic and the variability of DNA sequences in humans. The reciprocity between the epigenetic changes and the exogenous factors drives an influence on the inheritance biology and gene expression both inter-generationally and trans-generationally. Chromatin level modifications like DNA methylation, histone modifications or changes in transcripts functions either at transcription level or translational level pave the way for certain diseases or cancer in humans. The ability of epigenetics to explain the processes of various diseases has been demonstrated by recent epigenetic studies. Multidisciplinary therapeutic strategies were developed in order to analyse how epigenetic elements interact with different disease pathways. In this chapter we summarize how an organism may be predisposed to certain diseases by exposure to environmental variables such as chemicals, medications, stress, or infections during particular, vulnerable phases of life, and the epigenetic component may influence some of the diseases in humans.
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29
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Role and Dysregulation of miRNA in Patients with Parkinson's Disease. Int J Mol Sci 2022; 24:ijms24010712. [PMID: 36614153 PMCID: PMC9820759 DOI: 10.3390/ijms24010712] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/20/2022] [Accepted: 12/27/2022] [Indexed: 01/04/2023] Open
Abstract
Parkinson's disease (PD) is a neurodegenerative synucleinopathy that has a not yet fully understood molecular pathomechanism behind it. The role of risk genes regulated by small non-coding RNAs, or microRNAs (miRNAs), has also been highlighted in PD, where they may influence disease progression and comorbidities. In this case-control study, we analyzed miRNAs on peripheral blood mononuclear cells by means of RNA-seq in 30 participants, with the aim of identifying miRNAs differentially expressed in PD compared to age-matched healthy controls. Additionally, we investigated the pathways influenced by differentially expressed miRNAs and assessed whether a specific pathway could potentially be associated with PD susceptibility (enrichment analyses performed using the Ingenuity Pathway Analysis tools). Overall, considering that the upregulation of miRNAs might be related with the downregulation of their messenger RNA targets, and vice versa, we found several putative targets of dysregulated miRNAs (i.e., upregulated: hsa-miR-1275, hsa-miR-23a-5p, hsa-miR-432-5p, hsa-miR-4433b-3p, and hsa-miR-4443; downregulated: hsa-miR-142-5p, hsa-miR-143-3p, hsa-miR-374a-3p, hsa-miR-542-3p, and hsa-miR-99a-5p). An inverse connection between cancer and neurodegeneration, called "inverse comorbidity", has also been noted, showing that some genes or miRNAs may be expressed oppositely in neurodegenerative disorders and in some cancers. Therefore, it may be reasonable to consider these miRNAs as potential diagnostic markers and outcome measures.
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30
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Jia Q, Li S, Li XJ, Yin P. Neuroinflammation in Huntington's disease: From animal models to clinical therapeutics. Front Immunol 2022; 13:1088124. [PMID: 36618375 PMCID: PMC9815700 DOI: 10.3389/fimmu.2022.1088124] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 11/29/2022] [Indexed: 12/24/2022] Open
Abstract
Huntington's disease (HD) is a progressive neurodegenerative disease characterized by preferential loss of neurons in the striatum in patients, which leads to motor and cognitive impairments and death that often occurs 10-15 years after the onset of symptoms. The expansion of a glutamine repeat (>36 glutamines) in the N-terminal region of huntingtin (HTT) has been defined as the cause of HD, but the mechanism underlying neuronal death remains unclear. Multiple mechanisms, including inflammation, may jointly contribute to HD pathogenesis. Altered inflammation response is evident even before the onset of classical symptoms of HD. In this review, we summarize the current evidence on immune and inflammatory changes, from HD animal models to clinical phenomenon of patients with HD. The understanding of the impact of inflammation on HD would help develop novel strategies to treat HD.
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Affiliation(s)
| | | | | | - Peng Yin
- *Correspondence: Xiao-Jiang Li, ; Peng Yin,
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31
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Vistbakka J, Sumelahti ML, Lehtimäki T, Hagman S. Temporal variability of serum miR-191, miR-223, miR-128, and miR-24 in multiple sclerosis: A 4-year follow-up study. J Neurol Sci 2022; 442:120395. [PMID: 36084364 DOI: 10.1016/j.jns.2022.120395] [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: 02/23/2022] [Revised: 07/18/2022] [Accepted: 08/24/2022] [Indexed: 10/31/2022]
Abstract
BACKGROUND Circulating microRNAs (miRNA) are suggested to be a promising biomarker for multiple sclerosis (MS). Previously, miR-128-3p, miR-24-3p, miR-191-5p and miR-223-3p have been reported to associate with MS pathology. However, their longitudinal changes and association with the disease activity have not been studied. OBJECTIVES To evaluate the serum temporal variability of miR-128-3p, miR-191-5p, miR-24-3p, and miR-223-3p and their association with disability and disease activity in MS. METHODS The expression of four miRNAs in serum was studied in 57 MS patients, 18 clinically isolated syndrome patients, and 32 healthy controls over the four-year follow-up. RESULTS At the baseline, miR-191-5p was overexpressed in RRMS in comparison to controls, and its levels correlated positively with EDSS and progression index (PI) in RRMS. Increased levels of miR-128-3p were detected in PPMS in comparison to controls, and increased levels correlated with EDSS and PI in RRMS. The expression of miR-24-3p and miR-223-3p did not differ between the subtypes, but miR-223-3p correlated negatively with T1 lesions volumes in SPMS and PPMS. Over the four-years follow-up period, the expression of miR-128-3p and miR-24-3p was stable longitudinally, while temporal changes of miR-191-5p and miR-223-3p were observed in MS. Temporal changes in miR-191-5p were observed to be associated with an increase of EDSS or MRI activity, while the variability of miR-223-3p was associated with relapses. CONCLUSION Temporal variability of miR-191-5p and miR-223-3p are associated with changes in disability accumulation and disease activity. While, miR-128-3p was stably expressed and associated with the PPMS subtype and correlated with disability accumulation.
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Affiliation(s)
- Julia Vistbakka
- Neuroimmunology Research Group, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.
| | - Marja-Liisa Sumelahti
- Neuroimmunology Research Group, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.
| | - Terho Lehtimäki
- Department of Clinical Chemistry, Fimlab Laboratories, and Finnish Cardiovascular Research Center - Tampere, Faculty of Medicine and Health Technology, Tampere University, Tampere 33520, Finland.
| | - Sanna Hagman
- Neuroimmunology Research Group, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland; Research, Development and Innovation Centre, Tampere University Hospital, Tampere, Finland.
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Ali Ashrafi S, Asadi M, Shanehbandi D, Sadigh Eteghad S, Fazlollahi A, Nejadghaderi SA, Shaafi S. Association between miRNA-145 and miRNA-155 expression in peripheral blood mononuclear cells of patients with multiple sclerosis: a case-control study. BMC Neurol 2022; 22:405. [PMID: 36329419 PMCID: PMC9632146 DOI: 10.1186/s12883-022-02909-6] [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: 06/12/2022] [Revised: 09/26/2022] [Accepted: 09/30/2022] [Indexed: 11/06/2022] Open
Abstract
Introduction MicroRNAs (miR or miRNA) are short regulatory RNAs, which modulate post-transcriptional gene expression. Dysregulation of these molecules contributes to pathogenicity of autoimmune disorders, such as multiple sclerosis (MS). Aims This study was conducted to investigate changed expression pattern of miRNA-145 and miRNA-155 in MS. Methods We collected blood samples of 75 patients with relapsing-remitting MS patients and 75 healthy controls. Ficoll-Hypaque density gradient method was used to isolate peripheral blood mononuclear cells. Also, total RNA was extracted and subjected to RT-PCR analysis. We used the Mann–Whitney U test to evaluate the differences in expression levels of target miRNAs between the groups. Results We found that expression of miRNA-145 (P = 0.012) and miRNA-155 (P = 0.005) were partly reduced in patients with relapse-remitting MS in comparison with healthy controls. The miRNA-145 had an area under curve (AUC) of 0.621 (P = 0.01) and miRNA-155 levels had an AUC of 0.625 (P = 0.008). Conclusion Decreased expression of miRNA-145 and miRNA-155 contributes to development of relapse-remitting MS, while further large scale observational studies and meta-analyses are required.
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Affiliation(s)
- Sepide Ali Ashrafi
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran
| | - Milad Asadi
- Department of Basic Oncology, Health Institute of Ege University, Izmir, Turkey
| | - Dariush Shanehbandi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saeed Sadigh Eteghad
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran
| | - Asra Fazlollahi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyed Aria Nejadghaderi
- Research Center for Integrative Medicine in Aging, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sheida Shaafi
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran.
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Xia S, Zheng Y, Yan F, Chen G. MicroRNAs modulate neuroinflammation after intracerebral hemorrhage: Prospects for new therapy. Front Immunol 2022; 13:945860. [PMID: 36389834 PMCID: PMC9665326 DOI: 10.3389/fimmu.2022.945860] [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: 05/17/2022] [Accepted: 10/13/2022] [Indexed: 12/03/2022] Open
Abstract
Intracerebral hemorrhage (ICH) is the most common subtype of hemorrhagic stroke. After ICH, blood components extravasate from vessels into the brain, activating immune cells and causing them to release a series of inflammatory mediators. Immune cells, together with inflammatory mediators, lead to neuroinflammation in the perihematomal region and the whole brain, and neuroinflammation is closely related to secondary brain injury as well as functional recovery of the brain. Despite recent progress in understanding the pathophysiology of ICH, there is still no effective treatment for this disease. MicroRNAs (miRNAs) are non-coding RNAs 17-25 nucleotides in length that are generated naturally in the human body. They bind complementarily to messenger RNAs and suppress translation, thus regulating gene expression at the post-transcriptional level. They have been found to regulate the pathophysiological process of ICH, particularly the neuroinflammatory cascade. Multiple preclinical studies have shown that manipulating the expression and activity of miRNAs can modulate immune cell activities, influence neuroinflammatory responses, and ultimately affect neurological functions after ICH. This implicates the potentially crucial roles of miRNAs in post-ICH neuroinflammation and indicates the possibility of applying miRNA-based therapeutics for this disease. Thus, this review aims to address the pathophysiological roles and molecular underpinnings of miRNAs in the regulation of neuroinflammation after ICH. With a more sophisticated understanding of ICH and miRNAs, it is possible to translate these findings into new pharmacological therapies for ICH.
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Affiliation(s)
- Siqi Xia
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China,Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Zhejiang University, Hangzhou, Zhejiang, China
| | - Yonghe Zheng
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China,Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Zhejiang University, Hangzhou, Zhejiang, China
| | - Feng Yan
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China,Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Zhejiang University, Hangzhou, Zhejiang, China,*Correspondence: Feng Yan, ; Gao Chen,
| | - Gao Chen
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China,Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Zhejiang University, Hangzhou, Zhejiang, China,*Correspondence: Feng Yan, ; Gao Chen,
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Taghizadeh S, Motallebnezhad M, Aghaie T, Azimi M, Aghamajidi A, Salari AA, Bozorgmehr M, Assarezadegan MA, Jazayeri MH. Anti-Caspr-conjugated gold nanoparticles emergence as a novel approach in the treatment of EAE animal model. Metab Brain Dis 2022; 37:2603-2613. [PMID: 35922733 DOI: 10.1007/s11011-022-00981-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 04/04/2022] [Indexed: 10/16/2022]
Abstract
Multiple sclerosis (MS) is a chronic autoimmune disorder of central nervous system which is increasing worldwide. Although immunosuppressive agents are used for the treatment of MS disease, nevertheless the lack of non-toxic and efficient therapeutic method is perceptible. Hence, this study aims to evaluate the effect of Contactin-associated protein (Caspr) antibody-, poly ethylene glycol (PEG)- and exosome combined gold nanoparticles (GNPs) in comparison to Glatiramer acetate as a selective treatment of MS disease in the experimental autoimmune encephalomyelitis (EAE) mouse model. EAE was induced in female C57BL/6 mice and 25-day treatment with anti-Caspr-, PEG- and exosome combined GNPs was evaluated. Histopathological examination of spinal cord, regulatory T cells as well as inflammatory pathway including IFN-ɣ and IL-17 and mir-326 were investigated. The results showed the severity of MS symptoms was significantly decreased in all treated groups. Histological examination of the spinal cord indicated the reduced demyelination and immune cell infiltration. Besides, regulatory T cells were significantly increased following all treatments. Remarkably, the cytokine levels of IFN-ɣ and IL-17 as well as mir-326 is altered in treated groups. Taken together, the obtained findings demonstrate that the administration of anti-Caspr-, PEG- and exosome combined GNPs can be considered a potential treatment in MS disease.
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Affiliation(s)
- Shirin Taghizadeh
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Morteza Motallebnezhad
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Tayebe Aghaie
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Maryam Azimi
- Immunology Research Center, Institute of Immunology an Infectious Disease, Iran University of Medical Sciences, Tehran, Iran
| | - Azin Aghamajidi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Ali-Akbar Salari
- Salari Institute of Cognitive and Behavioral Disorders (SICBD), Karaj, Alborz, Iran
| | - Mahmoud Bozorgmehr
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Mohammad Ali Assarezadegan
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
- Immunology Research Center, Institute of Immunology an Infectious Disease, Iran University of Medical Sciences, Tehran, Iran
| | - Mir Hadi Jazayeri
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran.
- Immunology Research Center, Institute of Immunology an Infectious Disease, Iran University of Medical Sciences, Tehran, Iran.
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Li C, Ren J, Zhang M, Wang H, Yi F, Wu J, Tang Y. The heterogeneity of microglial activation and its epigenetic and non-coding RNA regulations in the immunopathogenesis of neurodegenerative diseases. Cell Mol Life Sci 2022; 79:511. [PMID: 36066650 DOI: 10.1007/s00018-022-04536-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 08/21/2022] [Accepted: 08/22/2022] [Indexed: 12/15/2022]
Abstract
Microglia are resident immune cells in the brain and play a central role in the development and surveillance of the nervous system. Extensive gliosis is a common pathological feature of several neurodegenerative diseases, such as Alzheimer's disease (AD), the most common cause of dementia. Microglia can respond to multiple inflammatory insults and later transform into different phenotypes, such as pro- and anti-inflammatory phenotypes, thereby exerting different functions. In recent years, an increasing number of studies based on both traditional bulk sequencing and novel single-cell/nuclear sequencing and multi-omics analysis, have shown that microglial phenotypes are highly heterogeneous and dynamic, depending on the severity and stage of the disease as well as the particular inflammatory milieu. Thus, redirecting microglial activation to beneficial and neuroprotective phenotypes promises to halt the progression of neurodegenerative diseases. To this end, an increasing number of studies have focused on unraveling heterogeneous microglial phenotypes and their underlying molecular mechanisms, including those due to epigenetic and non-coding RNA modulations. In this review, we summarize the epigenetic mechanisms in the form of DNA and histone modifications, as well as the general non-coding RNA regulations that modulate microglial activation during immunopathogenesis of neurodegenerative diseases and discuss promising research approaches in the microglial era.
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Affiliation(s)
- Chaoyi Li
- Aging Research Center, Department of Geriatrics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Jie Ren
- Aging Research Center, Department of Geriatrics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Mengfei Zhang
- Aging Research Center, Department of Geriatrics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Huakun Wang
- Aging Research Center, Department of Geriatrics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Fang Yi
- Aging Research Center, Department of Geriatrics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Junjiao Wu
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha, 410008, China
- Provincial Clinical Research Center for Rheumatic and Immunologic Diseases, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Yu Tang
- Aging Research Center, Department of Geriatrics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
- Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, 410008, Hunan, China.
- The Biobank of Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
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Bu Shen Yi Sui Capsule Promotes Myelin Repair by Modulating the Transformation of A1/A2 Reactive Astrocytes In Vivo and In Vitro. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:3800004. [PMID: 36092158 PMCID: PMC9458373 DOI: 10.1155/2022/3800004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 07/29/2022] [Indexed: 11/18/2022]
Abstract
Background/Aims. Multiple sclerosis (MS) is an autoimmune disorder that affects the central nervous system (CNS) primarily hallmarked by neuroinflammation and demyelination. The activation of astrocytes exerts double-edged sword effects, which perform an integral function in demyelination and remyelination. In this research, we examined the therapeutic effects of the Bu Shen Yi Sui capsule (BSYS), a traditional Chinese medicine prescription, in a cuprizone- (CPZ-) triggered demyelination model of MS (CPZ mice). This research intended to evaluate if BSYS might promote remyelination by shifting A1 astrocytes to A2 astrocytes. Methods. The effects of BSYS on astrocyte polarization and the potential mechanisms were explored in vitro and in vivo utilizing real-time quantitative reverse transcription PCR, immunofluorescence, and Western blotting. Histopathology, expression of inflammatory cytokines (IL-10, IL-1β, and IL-6), growth factors (TGF-β, BDNF), and motor coordination were assessed to verify the effects of BSYS (3.02 g/kg/d) on CPZ mice. In vitro, A1 astrocytes were induced by TNF-α (30 ng/mL), IL-1α (3 ng/mL), and C1q (400 ng/mL), following which the effect of BSYS-containing serum (concentration of 15%) on the transformation of A1/A2 reactive astrocytes was also evaluated. Results and Conclusions. BSYS treatment improved motor function in CPZ mice as assessed by rotarod tests. Intragastric administration of BSYS considerably lowered the proportion of A1 astrocytes, but the number of A2 astrocytes, MOG+, PLP+, CNPase+, and MBP+ cells was upregulated. Meanwhile, dysregulation of glutathione peroxidase, malondialdehyde, and superoxide dismutase was reversed in CPZ mice after treatment with BSYS. In addition, the lesion area and expression of proinflammatory cytokines were decreased and neuronal protection factors and anti-inflammatory cytokines were increased. In vitro, BSYS-containing serum suppressed the A1 astrocytic markers' expression and elevated the expression levels of A2 markers in primary astrocytes triggered by C1q, TNF-α, and IL-1α. Importantly, the miR-155/SOCS1 signaling pathway was involved in the modulation of the A1/A2 phenotype shift. Overall, this study demonstrated that BSYS has neuroprotective effects in myelin repair by modulating astrocyte polarization via the miR-155/SOCS1 pathway.
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A Scoping Review on Body Fluid Biomarkers for Prognosis and Disease Activity in Patients with Multiple Sclerosis. J Pers Med 2022; 12:jpm12091430. [PMID: 36143216 PMCID: PMC9501898 DOI: 10.3390/jpm12091430] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/22/2022] [Accepted: 08/27/2022] [Indexed: 11/30/2022] Open
Abstract
Multiple sclerosis (MS) is a complex demyelinating disease of the central nervous system, presenting with different clinical forms, including clinically isolated syndrome (CIS), which is a first clinical episode suggestive of demyelination. Several molecules have been proposed as prognostic biomarkers in MS. We aimed to perform a scoping review of the potential use of prognostic biomarkers in MS clinical practice. We searched MEDLINE up to 25 November 2021 for review articles assessing body fluid biomarkers for prognostic purposes, including any type of biomarkers, cell types and tissues. Original articles were obtained to confirm and detail the data reported by the review authors. We evaluated the reliability of the biomarkers based on the sample size used by various studies. Fifty-two review articles were included. We identified 110 molecules proposed as prognostic biomarkers. Only six studies had an adequate sample size to explore the risk of conversion from CIS to MS. These confirm the role of oligoclonal bands, immunoglobulin free light chain and chitinase CHI3L1 in CSF and of serum vitamin D in the prediction of conversion from CIS to clinically definite MS. Other prognostic markers are not yet explored in adequately powered samples. Serum and CSF levels of neurofilaments represent a promising biomarker.
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Yu Z, Fang X, Liu W, Sun R, Zhou J, Pu Y, Zhao M, Sun D, Xiang Z, Liu P, Ding Y, Cao L, He C. Microglia Regulate Blood-Brain Barrier Integrity via MiR-126a-5p/MMP9 Axis during Inflammatory Demyelination. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2105442. [PMID: 35758549 PMCID: PMC9403646 DOI: 10.1002/advs.202105442] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 05/14/2022] [Indexed: 05/14/2023]
Abstract
Blood-brain barrier (BBB) impairment is an early prevalent feature of multiple sclerosis (MS), and remains vital for MS progression. Microglial activation precedes BBB disruption and cellular infiltrates in the brain of MS patients. However, little is known about the function of microglia in BBB impairment. Here, microglia acts as an important modulator of BBB integrity in inflammatory demyelination. Microglial depletion profoundly ameliorates BBB impairment in experimental autoimmune encephalomyelitis (EAE). Specifically, miR-126a-5p in microglia is positively correlated with BBB integrity in four types of MS plaques. Mechanistically, microglial deletion of miR-126a-5p exacerbates BBB leakage and EAE severity. The protective effect of miR-126a-5p is mimicked and restored by specific inhibition of MMP9 in microglia. Importantly, Auranofin, an FDA-approved drug, is identified to protect BBB integrity and mitigate EAE progression via a microglial miR-126a-5p dependent mechanism. Taken together, microglia can be manipulated to protect BBB integrity and ameliorate inflammatory demyelination. Targeting microglia to regulate BBB permeability merits consideration in therapeutic interventions in MS.
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Affiliation(s)
- Zhongwang Yu
- Institute of NeuroscienceKey Laboratory of Molecular Neurobiology of Ministry of Education and the Collaborative Innovation Center for Brain ScienceSMMUShanghai200433China
| | - Xue Fang
- Institute of NeuroscienceKey Laboratory of Molecular Neurobiology of Ministry of Education and the Collaborative Innovation Center for Brain ScienceSMMUShanghai200433China
- Department of GastroenterologyChanghai HospitalSMMUShanghai200433China
| | - Weili Liu
- Institute of NeuroscienceKey Laboratory of Molecular Neurobiology of Ministry of Education and the Collaborative Innovation Center for Brain ScienceSMMUShanghai200433China
| | - Rui Sun
- Department of NeurologyChanghai HospitalSMMUShanghai200433China
| | - Jintao Zhou
- Institute of NeuroscienceKey Laboratory of Molecular Neurobiology of Ministry of Education and the Collaborative Innovation Center for Brain ScienceSMMUShanghai200433China
| | - Yingyan Pu
- Institute of NeuroscienceKey Laboratory of Molecular Neurobiology of Ministry of Education and the Collaborative Innovation Center for Brain ScienceSMMUShanghai200433China
| | - Ming Zhao
- Institute of NeuroscienceKey Laboratory of Molecular Neurobiology of Ministry of Education and the Collaborative Innovation Center for Brain ScienceSMMUShanghai200433China
| | - Dingya Sun
- Institute of NeuroscienceKey Laboratory of Molecular Neurobiology of Ministry of Education and the Collaborative Innovation Center for Brain ScienceSMMUShanghai200433China
| | - Zhenghua Xiang
- Institute of NeuroscienceKey Laboratory of Molecular Neurobiology of Ministry of Education and the Collaborative Innovation Center for Brain ScienceSMMUShanghai200433China
| | - Peng Liu
- Institute of NeuroscienceKey Laboratory of Molecular Neurobiology of Ministry of Education and the Collaborative Innovation Center for Brain ScienceSMMUShanghai200433China
| | - Yuqiang Ding
- Department of Laboratory Animal Scienceand State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain ScienceInstitutes of Brain ScienceFudan UniversityShanghai200032China
| | - Li Cao
- Institute of NeuroscienceKey Laboratory of Molecular Neurobiology of Ministry of Education and the Collaborative Innovation Center for Brain ScienceSMMUShanghai200433China
| | - Cheng He
- Institute of NeuroscienceKey Laboratory of Molecular Neurobiology of Ministry of Education and the Collaborative Innovation Center for Brain ScienceSMMUShanghai200433China
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MINUTTI-ZANELLA C, BOJALIL-ÁLVAREZ L, GARCÍA-VILLASEÑOR E, LÓPEZ-MARTÍNEZ B, PÉREZ-TURRENT M, MURRIETA-ÁLVAREZ I, RUIZ-DELGADO GJ, ARGÜELLES GJRUIZ. miRNAs in multiple sclerosis: A clinical approach. Mult Scler Relat Disord 2022; 63:103835. [DOI: 10.1016/j.msard.2022.103835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 04/22/2022] [Accepted: 04/27/2022] [Indexed: 11/29/2022]
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Dominguez-Mozo MI, Casanova I, De Torres L, Aladro-Benito Y, Perez-Perez S, Garcia-Martínez A, Gomez P, Abellan S, De Antonio E, Lopez-De-Silanes C, Alvarez-Lafuente R. microRNA Expression and Its Association With Disability and Brain Atrophy in Multiple Sclerosis Patients Treated With Glatiramer Acetate. Front Immunol 2022; 13:904683. [PMID: 35774792 PMCID: PMC9239306 DOI: 10.3389/fimmu.2022.904683] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 05/17/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundMicroRNAs are small non-coding RNA that regulate gene expression at a post-transcriptional level affecting several cellular processes including inflammation, neurodegeneration and remyelination. Different patterns of miRNAs expression have been demonstrated in multiple sclerosis compared to controls, as well as in different courses of the disease. For these reason they have been postulated as promising biomarkers candidates in multiple sclerosis.Objectiveto correlate serum microRNAs profile expression with disability, cognitive functioning and brain volume in patients with remitting-relapsing multiple sclerosis.Methodscross-sectional study in relapsing-remitting multiple sclerosis patients treated with glatiramer acetate. Disability was measured with Expanded Disability Status Scale (EDSS) and cognitive function was studied with Symbol Digit Modalities Test (SDMT). Brain volume was analyzed with automatic software NeuroQuant®.ResultsWe found an association between miR.146a.5p (rs:0.434, p=0.03) and miR.9.5p (rs:0.516, p=0.028) with EDSS; and miR-146a.5p (rs:-0.476, p=0.016) and miR-126.3p (rs:-0.528, p=0.007) with SDMT. Regarding to the brain volume, miR.9.5p correlated with thalamus (rs:-0.545, p=0.036); miR.200c.3p with pallidum (rs:-0.68, p=0.002) and cerebellum (rs:-0.472, p=0.048); miR-138.5p with amygdala (rs:0.73, p=0.016) and pallidum (rs:0.64, p=0.048); and miR-223.3p with caudate (rs:0.46, p=0.04).ConclusionsThese data support the hypothesis of microRNA as potential biomarkers in this disease. More studies are needed to validate these results and to better understand the role of microRNAs in the pathogenesis, monitoring and therapeutic response of multiple sclerosis.
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Affiliation(s)
- María I Dominguez-Mozo
- Research Group in Environmental Factors of Neurodegenerative Diseases, Health Research Institute Hospital Clínico San Carlos (IdISSC), Madrid, Spain
| | - Ignacio Casanova
- Department of Neurology, Hospital Universitario de Torrejón, Madrid, Spain
- School of Medicine, Universidad Francisco de Vitoria, Madrid, Spain
| | - Laura De Torres
- Department of Neurology, Hospital Universitario de Torrejón, Madrid, Spain
| | | | - Silvia Perez-Perez
- Research Group in Environmental Factors of Neurodegenerative Diseases, Health Research Institute Hospital Clínico San Carlos (IdISSC), Madrid, Spain
| | - Angel Garcia-Martínez
- Research Group in Environmental Factors of Neurodegenerative Diseases, Health Research Institute Hospital Clínico San Carlos (IdISSC), Madrid, Spain
| | - Patricia Gomez
- Department of Neurology, Hospital Universitario de Torrejón, Madrid, Spain
- School of Medicine, Universidad Francisco de Vitoria, Madrid, Spain
| | - Sara Abellan
- Department of Neurology, Hospital Universitario de Torrejón, Madrid, Spain
| | - Esther De Antonio
- Department of Radiology, Hospital Universitario de Torrejón, Madrid, Spain
| | - Carlos Lopez-De-Silanes
- Department of Neurology, Hospital Universitario de Torrejón, Madrid, Spain
- School of Medicine, Universidad Francisco de Vitoria, Madrid, Spain
| | - Roberto Alvarez-Lafuente
- Research Group in Environmental Factors of Neurodegenerative Diseases, Health Research Institute Hospital Clínico San Carlos (IdISSC), Madrid, Spain
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Hecker M, Fitzner B, Putscher E, Schwartz M, Winkelmann A, Meister S, Dudesek A, Koczan D, Lorenz P, Boxberger N, Zettl UK. Implication of genetic variants in primary microRNA processing sites in the risk of multiple sclerosis. EBioMedicine 2022; 80:104052. [PMID: 35561450 PMCID: PMC9111935 DOI: 10.1016/j.ebiom.2022.104052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 04/19/2022] [Accepted: 04/25/2022] [Indexed: 12/01/2022] Open
Abstract
Background Multiple sclerosis (MS) is a chronic inflammatory disease of the central nervous system with a well-established genetic contribution to susceptibility. Over 200 genetic regions have been linked to the inherited risk of developing MS, but the disease-causing variants and their functional effects at the molecular level are still largely unresolved. We hypothesised that MS-associated single-nucleotide polymorphisms (SNPs) affect the recognition and enzymatic cleavage of primary microRNAs (pri-miRNAs). Methods Our study focused on 11 pri-miRNAs (9 primate-specific) that are encoded in genetic risk loci for MS. The levels of mature miRNAs and potential isoforms (isomiRs) produced from those pri-miRNAs were measured in B cells obtained from the peripheral blood of 63 MS patients and 28 healthy controls. We tested for associations between SNP genotypes and miRNA expression in cis using quantitative trait locus (cis-miR-eQTL) analyses. Genetic effects on miRNA stem-loop processing efficiency were verified using luciferase reporter assays. Potential direct miRNA target genes were identified by transcriptome profiling and computational binding site assessment. Findings Mature miRNAs and isomiRs from hsa-mir-26a-2, hsa-mir-199a-1, hsa-mir-4304, hsa-mir-4423, hsa-mir-4464 and hsa-mir-4492 could be detected in all B-cell samples. When MS patient subgroups were compared with healthy controls, a significant differential expression was observed for miRNAs from the 5’ and 3’ strands of hsa-mir-26a-2 and hsa-mir-199a-1. The cis-miR-eQTL analyses and reporter assays pointed to a slightly more efficient Drosha-mediated processing of hsa-mir-199a-1 when the MS risk allele T of SNP rs1005039 is present. On the other hand, the MS risk allele A of SNP rs817478, which substitutes the first C in a CNNC sequence motif, was found to cause a markedly lower efficiency in the processing of hsa-mir-4423. Overexpression of hsa-mir-199a-1 inhibited the expression of 60 protein-coding genes, including IRAK2, MIF, TNFRSF12A and TRAF1. The only target gene identified for hsa-mir-4423 was TMEM47. Interpretation We found that MS-associated SNPs in sequence determinants of pri-miRNA processing can affect the expression of mature miRNAs. Our findings complement the existing literature on the dysregulation of miRNAs in MS. Further studies on the maturation and function of miRNAs in different cell types and tissues may help to gain a more detailed functional understanding of the genetic basis of MS. Funding This study was funded by the Rostock University Medical Center (FORUN program, grant: 889002), Sanofi Genzyme (grant: GZ-2016-11560) and Merck Serono GmbH (Darmstadt, Germany, an affiliate of Merck KGaA, CrossRef Funder ID: 10.13039/100009945, grant: 4501860307). NB was supported by the Stiftung der Deutschen Wirtschaft (sdw) and the FAZIT foundation. EP was supported by the Landesgraduiertenförderung Mecklenburg-Vorpommern.
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Galloway DA, Carew SJ, Blandford SN, Benoit RY, Fudge N, Berry T, Moore GRW, Barron J, Moore CS. Investigating the NLRP3 Inflammasome and its Regulator miR-223-3p in Multiple Sclerosis and Experimental Demyelination. J Neurochem 2022; 163:94-112. [PMID: 35633501 DOI: 10.1111/jnc.15650] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 05/20/2022] [Accepted: 05/24/2022] [Indexed: 11/30/2022]
Abstract
Innate immune signalling pathways are essential mediators of inflammation and repair following myelin injury. Inflammasome activation has recently been implicated as a driver of myelin injury in multiple sclerosis (MS) and its animal models, although the regulation and contributions of inflammasome activation in the demyelinated central nervous system (CNS) are not completely understood. Herein, we investigated the NLRP3 (NBD-, LRR- and pyrin domain-containing protein 3) inflammasome and its endogenous regulator microRNA-223-3p within the demyelinated CNS in both MS and an animal model of focal demyelination. We observed that NLRP3 inflammasome components and microRNA-223-3p were upregulated at sites of myelin injury within activated macrophages and microglia. Both microRNA-223-3p and a small-molecule NLRP3 inhibitor, MCC950, supressed inflammasome activation in macrophages and microglia in vitro; compared with microglia, macrophages were more prone to inflammasome activation in vitro. Finally, systemic delivery of MCC950 to mice following lysolecithin-induced demyelination resulted in a significant reduction in axonal injury within demyelinated lesions. In conclusion, we demonstrate that NLRP3 inflammasome activity by macrophages and microglia is a critical component of the inflammatory microenvironment following demyelination and represents a potential therapeutic target for inflammatory-mediated demyelinating diseases, including MS.
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Affiliation(s)
- Dylan A Galloway
- Division of Biomedical Sciences, Faculty of Medicine, Memorial University of Newfoundland, Newfoundland and Labrador, 300 Prince Philip Drive, St. John's, A1B 3V6, Canada
| | - Samantha J Carew
- Division of Biomedical Sciences, Faculty of Medicine, Memorial University of Newfoundland, Newfoundland and Labrador, 300 Prince Philip Drive, St. John's, A1B 3V6, Canada
| | - Stephanie N Blandford
- Division of Biomedical Sciences, Faculty of Medicine, Memorial University of Newfoundland, Newfoundland and Labrador, 300 Prince Philip Drive, St. John's, A1B 3V6, Canada
| | - Rochelle Y Benoit
- Division of Biomedical Sciences, Faculty of Medicine, Memorial University of Newfoundland, Newfoundland and Labrador, 300 Prince Philip Drive, St. John's, A1B 3V6, Canada
| | - Neva Fudge
- Division of Biomedical Sciences, Faculty of Medicine, Memorial University of Newfoundland, Newfoundland and Labrador, 300 Prince Philip Drive, St. John's, A1B 3V6, Canada
| | - Tangyne Berry
- Division of Biomedical Sciences, Faculty of Medicine, Memorial University of Newfoundland, Newfoundland and Labrador, 300 Prince Philip Drive, St. John's, A1B 3V6, Canada
| | - G R Wayne Moore
- Department of Pathology and Laboratory Medicine, Faculty of Medicine, University of British Columbia, Vancouver British Columbia, Canada
| | - Jane Barron
- Discipline of Laboratory Medicine, Faculty of Medicine, Memorial University of Newfoundland, St. John's Newfoundland and Labrador, Canada
| | - Craig S Moore
- Division of Biomedical Sciences, Faculty of Medicine, Memorial University of Newfoundland, Newfoundland and Labrador, 300 Prince Philip Drive, St. John's, A1B 3V6, Canada.,Discipline of Medicine (Neurology), Faculty of Medicine, Memorial University of Newfoundland, St. John's, Newfoundland and Labrador, Canada
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Hazrati A, Soudi S, Malekpour K, Mahmoudi M, Rahimi A, Hashemi SM, Varma RS. Immune cells-derived exosomes function as a double-edged sword: role in disease progression and their therapeutic applications. Biomark Res 2022; 10:30. [PMID: 35550636 PMCID: PMC9102350 DOI: 10.1186/s40364-022-00374-4] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 04/03/2022] [Indexed: 02/08/2023] Open
Abstract
Exosomes, ranging in size from 30 to 150 nm as identified initially via electron microscopy in 1946, are one of the extracellular vesicles (EVs) produced by many cells and have been the subject of many studies; initially, they were considered as cell wastes with the belief that cells produced exosomes to maintain homeostasis. Nowadays, it has been found that EVs secreted by different cells play a vital role in cellular communication and are usually secreted in both physiological and pathological conditions. Due to the presence of different markers and ligands on the surface of exosomes, they have paracrine, endocrine and autocrine effects in some cases. Immune cells, like other cells, can secrete exosomes that interact with surrounding cells via these vesicles. Immune system cells-derived exosomes (IEXs) induce different responses, such as increasing and decreasing the transcription of various genes and regulating cytokine production. This review deliberate the function of innate and acquired immune cells derived exosomes, their role in the pathogenesis of immune diseases, and their therapeutic appliances.
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Affiliation(s)
- Ali Hazrati
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Sara Soudi
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Kosar Malekpour
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mohammad Mahmoudi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Arezou Rahimi
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Seyed Mahmoud Hashemi
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Rajender S Varma
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University in Olomouc, Šlechtitelů 27, 783 71, Olomouc, Czech Republic
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44
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Elkjaer ML, Röttger R, Baumbach J, Illes Z. A Systematic Review of Tissue and Single Cell Transcriptome/Proteome Studies of the Brain in Multiple Sclerosis. Front Immunol 2022; 13:761225. [PMID: 35309325 PMCID: PMC8924618 DOI: 10.3389/fimmu.2022.761225] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 01/28/2022] [Indexed: 11/27/2022] Open
Abstract
Multiple sclerosis (MS) is an inflammatory demyelinating and degenerative disease of the central nervous system (CNS). Although inflammatory responses are efficiently treated, therapies for progression are scarce and suboptimal, and biomarkers to predict the disease course are insufficient. Cure or preventive measures for MS require knowledge of core pathological events at the site of the tissue damage. Novelties in systems biology have emerged and paved the way for a more fine-grained understanding of key pathological pathways within the CNS, but they have also raised questions still without answers. Here, we systemically review the power of tissue and single-cell/nucleus CNS omics and discuss major gaps of integration into the clinical practice. Systemic search identified 49 transcriptome and 11 proteome studies of the CNS from 1997 till October 2021. Pioneering molecular discoveries indicate that MS affects the whole brain and all resident cell types. Despite inconsistency of results, studies imply increase in transcripts/proteins of semaphorins, heat shock proteins, myelin proteins, apolipoproteins and HLAs. Different lesions are characterized by distinct astrocytic and microglial polarization, altered oligodendrogenesis, and changes in specific neuronal subtypes. In all white matter lesion types, CXCL12, SCD, CD163 are highly expressed, and STAT6- and TGFβ-signaling are increased. In the grey matter lesions, TNF-signaling seems to drive cell death, and especially CUX2-expressing neurons may be susceptible to neurodegeneration. The vast heterogeneity at both cellular and lesional levels may underlie the clinical heterogeneity of MS, and it may be more complex than the current disease phenotyping in the clinical practice. Systems biology has not solved the mystery of MS, but it has discovered multiple molecules and networks potentially contributing to the pathogenesis. However, these results are mostly descriptive; focused functional studies of the molecular changes may open up for a better interpretation. Guidelines for acceptable quality or awareness of results from low quality data, and standardized computational and biological pipelines may help to overcome limited tissue availability and the “snap shot” problem of omics. These may help in identifying core pathological events and point in directions for focus in clinical prevention.
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Affiliation(s)
- Maria L Elkjaer
- Department of Neurology, Odense University Hospital, Odense, Denmark.,Institute of Clinical Research, University of Southern Denmark, Odense, Denmark.,Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Richard Röttger
- Department of Mathematics and Computer Science, University of Southern Denmark, Odense, Denmark
| | - Jan Baumbach
- Chair of Computational Systems Biology, University of Hamburg, Hamburg, Germany
| | - Zsolt Illes
- Department of Neurology, Odense University Hospital, Odense, Denmark.,Institute of Clinical Research, University of Southern Denmark, Odense, Denmark.,Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
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45
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Wang L, Liang Y. MicroRNAs as T Lymphocyte Regulators in Multiple Sclerosis. Front Mol Neurosci 2022; 15:865529. [PMID: 35548667 PMCID: PMC9082748 DOI: 10.3389/fnmol.2022.865529] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 03/30/2022] [Indexed: 01/22/2023] Open
Abstract
MicroRNA (miRNA) is a class of endogenous non-coding small RNA with regulatory activities, which generally regulates the expression of target genes at the post-transcriptional level. Multiple Sclerosis (MS) is thought to be an autoimmune-mediated chronic inflammatory demyelinating disease of the central nervous system (CNS) that typically affect young adults. T lymphocytes play an important role in the pathogenesis of MS, and studies have suggested that miRNAs are involved in regulating the proliferation, differentiation, and functional maintenance of T lymphocytes in MS. Dysregulated expression of miRNAs may lead to the differentiation balance and dysfunction of T lymphocytes, and they are thus involved in the occurrence and development of MS. In addition, some specific miRNAs, such as miR-155 and miR-326, may have potential diagnostic values for MS or be useful for discriminating subtypes of MS. Moreover, miRNAs may be a promising therapeutic strategy for MS by regulating T lymphocyte function. By summarizing the recent literature, we reviewed the involvement of T lymphocytes in the pathogenesis of MS, the role of miRNAs in the pathogenesis and disease progression of MS by regulating T lymphocytes, the possibility of differentially expressed miRNAs to function as biomarkers for MS diagnosis, and the therapeutic potential of miRNAs in MS by regulating T lymphocytes.
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46
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Gierlikowski W, Gierlikowska B. MicroRNAs as Regulators of Phagocytosis. Cells 2022; 11:cells11091380. [PMID: 35563685 PMCID: PMC9106007 DOI: 10.3390/cells11091380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 04/11/2022] [Accepted: 04/17/2022] [Indexed: 12/10/2022] Open
Abstract
MicroRNAs (miRNAs) are short non-coding RNAs that regulate gene expression and thus act as important regulators of cellular phenotype and function. As their expression may be dysregulated in numerous diseases, they are of interest as biomarkers. What is more, attempts of modulation of some microRNAs for therapeutic reasons have been undertaken. In this review, we discuss the current knowledge regarding the influence of microRNAs on phagocytosis, which may be exerted on different levels, such as through macrophages polarization, phagosome maturation, reactive oxygen species production and cytokines synthesis. This phenomenon plays an important role in numerous pathological conditions.
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Affiliation(s)
- Wojciech Gierlikowski
- Department of Internal Medicine and Endocrinology, Medical University of Warsaw, Banacha 1a, 02-097 Warsaw, Poland
- Correspondence:
| | - Barbara Gierlikowska
- Department of Laboratory Diagnostics and Clinical Immunology of Developmental Age, Medical University of Warsaw, Żwirki i Wigury 63a, 02-091 Warsaw, Poland;
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47
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Cho HK, Seong H, Kee C, Song DH, Kim SJ, Seo SW, Kang SS. MicroRNA profiles in aqueous humor between pseudoexfoliation glaucoma and normal tension glaucoma patients in a Korean population. Sci Rep 2022; 12:6217. [PMID: 35418653 PMCID: PMC9007941 DOI: 10.1038/s41598-022-09572-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 03/03/2022] [Indexed: 02/06/2023] Open
Abstract
We aimed to obtain microRNA (miRNA) profiles of patients with pseudoexfoliation (PEX) glaucoma or normal-tension glaucoma (NTG) compared to normal controls using individual aqueous humor (AH) samples and investigate the role of miRNAs in the pathogenesis of PEX glaucoma compared to NTG in Korean. AH (80-120 µl) was collected before cataract surgery or trabeculectomy from 26 Korean subjects (eleven with PEX glaucoma, age-matched eight NTG, and seven controls). RNA sequencing was conducted for RNA samples extracted from 26 AH samples. Bioinformatics analysis was performed for targets and related pathways. A total of 334 and 291 discrete miRNAs were detected in AH samples of PEX glaucoma and NTG patients, respectively. Two significantly upregulated miRNAs (hsa-miR-30d-5p and hsa-miR-320a) and ten significantly downregulated miRNAs (hsa-miR-3156-5p, hsa-miR-4458, hsa-miR-6717-5p, hsa-miR-6728-5p, hsa-miR-6834-5p, hsa-miR-6864-5p, hsa-miR-6879-5p, hsa-miR-877-3p, hsa-miR-548e-3p, and hsa-miR-6777-5p) in PEX glaucoma patients compared to control (fold-change > 2, p < 0.05) were found. In NTG patients, ten significantly upregulated and two downregulated miRNAs compared to control were found. Only hsa-miR-6777-5p was commonly downregulated in both PEX glaucoma and NTG patients. Related pathways were proteoglycans in cancer, glioma, and TGF-beta signaling pathway in PEX glaucoma. These differentially expressed miRNAs between PEX glaucoma and NTG samples suggest the possible role of miRNA in the pathogenesis of glaucoma, further implying that pathogenic mechanisms may differ between different types of glaucoma.
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Affiliation(s)
- Hyun-Kyung Cho
- Department of Ophthalmology, Gyeongsang National University Changwon Hospital, Gyeongsang National University, School of Medicine, 11 Samjeongja-ro, Seongsan-guGyeongsangnam-do, Changwon, 51472, Republic of Korea. .,Institute of Health Sciences, School of Medicine, Gyeongsang National University, Jinju, Republic of Korea.
| | - Hyemin Seong
- Institute of Health Sciences, School of Medicine, Gyeongsang National University, Jinju, Republic of Korea.,Department of Pharmacology and Convergence Medical Science, School of Medicine, Gyeongsang National University, Jinju, Republic of Korea.,Department of Ophthalmology, School of Medicine, Gyeongsang National University Hospital, Gyeongsang National University, Jinju, Republic of Korea
| | - Changwon Kee
- Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Dae Hyun Song
- Institute of Health Sciences, School of Medicine, Gyeongsang National University, Jinju, Republic of Korea.,Department of Pathology, Gyeongsang National University Changwon Hospital, Changwon, Republic of Korea
| | - Seong Jae Kim
- Institute of Health Sciences, School of Medicine, Gyeongsang National University, Jinju, Republic of Korea.,Department of Ophthalmology, School of Medicine, Gyeongsang National University Hospital, Gyeongsang National University, Jinju, Republic of Korea
| | - Seong Wook Seo
- Institute of Health Sciences, School of Medicine, Gyeongsang National University, Jinju, Republic of Korea.,Department of Ophthalmology, School of Medicine, Gyeongsang National University Hospital, Gyeongsang National University, Jinju, Republic of Korea
| | - Sang Soo Kang
- Institute of Health Sciences, School of Medicine, Gyeongsang National University, Jinju, Republic of Korea.,Department of Anatomy and Convergence Medical Science, Gyeongsang National University, Jinju, Republic of Korea
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Bu Shen Yi Sui Capsules Promote Remyelination by Regulating MicroRNA-219 and MicroRNA-338 in Exosomes to Promote Oligodendrocyte Precursor Cell Differentiation. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:3341481. [PMID: 35463062 PMCID: PMC9020954 DOI: 10.1155/2022/3341481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 02/18/2022] [Accepted: 03/18/2022] [Indexed: 11/18/2022]
Abstract
Remyelination is a refractory feature of demyelinating diseases such as multiple sclerosis (MS). Studies have shown that promoting oligodendrocyte precursor cell (OPC) differentiation, which cannot be achieved by currently available therapeutic agents, is the key to enhancing remyelination. Bu Shen Yi Sui capsule (BSYSC) is a traditional Chinese herbal medicine over many years of clinical practice. We have found that BSYSC can effectively treat MS. In this study, the effects of BSYSC in promoting OPCs differentiation and remyelination were assessed using an experimental autoimmune encephalomyelitis (EAE) model in vivo and cultured OPCs in vitro. The results showed that BSYSC reduced clinical function scores and increased neuroprotection. The expression of platelet-derived growth factor receptor α (PDGFR-α) was decreased and the level of 2′,3′-cyclic nucleotide 3′-phosphodiesterase (CNPase) was increased in the brains and spinal cords of mice as well as in OPCs after treatment with BSYSC. We further found that BSYSC elevated the expression of miR-219 or miR-338 in the serum exosomes of mice with EAE, thereby suppressing the expression of Sox6, Lingo1, and Hes5, which negatively regulate OPCs differentiation. Therefore, serum exosomes of BSYSC-treated mice (exos-BSYSC) were extracted and administered to OPCs in which miR-219 or miR-338 expression was knocked down by adenovirus, and the results showed that Sox6, Lingo1, and Hes5 expression was downregulated, MBP expression was upregulated, OPCs differentiation was increased, and the ability of OPCs to wrap around neuronal axons was improved. In conclusion, BSYSC may exert clinically relevant effects by regulating microRNA (miR) levels in exosomes and thus promoting the differentiation and maturation of OPCs.
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49
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Scalabrino G. Newly Identified Deficiencies in the Multiple Sclerosis Central Nervous System and Their Impact on the Remyelination Failure. Biomedicines 2022; 10:biomedicines10040815. [PMID: 35453565 PMCID: PMC9026986 DOI: 10.3390/biomedicines10040815] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/18/2022] [Accepted: 03/21/2022] [Indexed: 12/14/2022] Open
Abstract
The pathogenesis of multiple sclerosis (MS) remains enigmatic and controversial. Myelin sheaths in the central nervous system (CNS) insulate axons and allow saltatory nerve conduction. MS brings about the destruction of myelin sheaths and the myelin-producing oligodendrocytes (ODCs). The conundrum of remyelination failure is, therefore, crucial in MS. In this review, the roles of epidermal growth factor (EGF), normal prions, and cobalamin in CNS myelinogenesis are briefly summarized. Thereafter, some findings of other authors and ourselves on MS and MS-like models are recapitulated, because they have shown that: (a) EGF is significantly decreased in the CNS of living or deceased MS patients; (b) its repeated administration to mice in various MS-models prevents demyelination and inflammatory reaction; (c) as was the case for EGF, normal prion levels are decreased in the MS CNS, with a strong correspondence between liquid and tissue levels; and (d) MS cobalamin levels are increased in the cerebrospinal fluid, but decreased in the spinal cord. In fact, no remyelination can occur in MS if these molecules (essential for any form of CNS myelination) are lacking. Lastly, other non-immunological MS abnormalities are reviewed. Together, these results have led to a critical reassessment of MS pathogenesis, partly because EGF has little or no role in immunology.
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Affiliation(s)
- Giuseppe Scalabrino
- Department of Biomedical Sciences for Health, University of Milan, 20133 Milan, Italy
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50
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Devoto C, Guedes VA, Lai C, Leete JJ, Mithani S, Edwards K, Vorn R, Qu BX, Wilde EA, Walker WC, Diaz-Arrastia R, Werner JK, Kenney K, Gill JM. Remote blast-related mild traumatic brain injury is associated with differential expression of exosomal microRNAs identified in neurodegenerative and immunological processes. Brain Inj 2022; 36:652-661. [PMID: 35322723 DOI: 10.1080/02699052.2022.2042854] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
BACKGROUND Blast traumatic brain injury (TBI) and subconcussive blast exposure have been associated, pathologically, with chronic traumatic encephalopathy (CTE) and, clinically, with cognitive and affective symptoms, but the underlying pathomechanisms of these associations are not well understood. We hypothesized that exosomal microRNA (miRNA) expression, and their relation to neurobehavioral outcomes among Veterans with blunt or blast mild TBI (mTBI) may provide insight into possible mechanisms for these associations and therapeutic targets. METHODS This is a subanalysis of a larger Chronic Effects of Neurotrauma Consortium Biomarker Discovery Project. Participants (n = 152) were divided into three groups: Controls (n = 35); Blunt mTBI only (n = 54); and Blast/blast+blunt mTBI (n = 63). Postconcussive and post-traumatic stress symptoms were evaluated using the NSI and PCL-5, respectively. Exosomal levels of 798 miRNA expression were measured. RESULTS In the blast mTBI group, 23 differentially regulated miRNAs were observed compared to the blunt mTBI group and 23 compared to controls. From the pathway analysis, significantly dysregulated miRNAs in the blast exposure group correlated with inflammatory, neurodegenerative, and androgen receptor pathways. DISCUSSION Our findings suggest that chronic neurobehavioral symptoms after blast TBI may pathomechanistically relate to dysregulated cellular pathways involved with neurodegeneration, inflammation, and central hormonal regulation.
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Affiliation(s)
- Christina Devoto
- National Institute of Nursing Research, National Institutes of Health, Bethesda, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland, USA
| | - Vivian A Guedes
- National Institute of Nursing Research, National Institutes of Health, Bethesda, Maryland, USA
| | - Chen Lai
- National Institute of Nursing Research, National Institutes of Health, Bethesda, Maryland, USA
| | - Jacqueline J Leete
- National Institute of Nursing Research, National Institutes of Health, Bethesda, Maryland, USA
| | - Sara Mithani
- National Institute of Nursing Research, National Institutes of Health, Bethesda, Maryland, USA
| | - Katie Edwards
- National Institute of Nursing Research, National Institutes of Health, Bethesda, Maryland, USA.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland, USA
| | - Rany Vorn
- National Institute of Nursing Research, National Institutes of Health, Bethesda, Maryland, USA
| | - Bao-Xi Qu
- Department of Neurology, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.,Center for Neuroscience and Regenerative Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | - Elisabeth A Wilde
- Cenc Imaging Core, University of Utah, Salt Lake City, Virginia, USA
| | - William C Walker
- Department of Physical Medicine & Rehabilitation, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Ramon Diaz-Arrastia
- Department of Neurology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | | | - Kimbra Kenney
- Department of Neurology, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.,National Intrepid Center of Excellence, Walter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - Jessica M Gill
- National Institute of Nursing Research, National Institutes of Health, Bethesda, Maryland, USA.,Center for Neuroscience and Regenerative Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.,Johns Hopkins University, School of Nursing, Baltimore, MD.,Department of Neurology, Johns Hopkins University, School of Medicine, Baltimore, MD
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