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Allard RL, Mayfield J, Barchiesi R, Salem NA, Mayfield RD. Toll-like receptor 7: A novel neuroimmune target to reduce excessive alcohol consumption. Neurobiol Stress 2024; 31:100639. [PMID: 38765062 PMCID: PMC11101708 DOI: 10.1016/j.ynstr.2024.100639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 04/30/2024] [Accepted: 05/03/2024] [Indexed: 05/21/2024] Open
Abstract
Toll-like receptors (TLRs) are a family of innate immune receptors that recognize molecular patterns in foreign pathogens and intrinsic danger/damage signals from cells. TLR7 is a nucleic acid sensing endosomal TLR that is activated by single-stranded RNAs from microbes or by small noncoding RNAs that act as endogenous ligands. TLR7 signals through the MyD88 adaptor protein and activates the transcription factor interferon regulatory factor 7 (IRF7). TLR7 is found throughout the brain and is highly expressed in microglia, the main immune cells of the brain that have also been implicated in alcohol drinking in mice. Upregulation of TLR7 mRNA and protein has been identified in postmortem hippocampus and cortex from AUD subjects that correlated positively with lifetime consumption of alcohol. Similarly, Tlr7 and downstream signaling genes were upregulated in rat hippocampal and cortical slice cultures after chronic alcohol exposure and in these regions after chronic binge-like alcohol treatment in mice. In addition, repeated administration of the synthetic TLR7 agonists imiquimod (R837) or resiquimod (R848) increased voluntary alcohol drinking in different rodent models and produced sustained upregulation of IRF7 in the brain. These findings suggest that chronic TLR7 activation may drive excessive alcohol drinking. In the brain, this could occur through increased levels of endogenous TLR7 activators, like microRNAs and Y RNAs. This review explores chronic TLR7 activation as a pathway of dysregulated neuroimmune signaling in AUD and the endogenous small RNA ligands in the brain that could perpetuate innate immune responses and escalate alcohol drinking.
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Affiliation(s)
- Ruth L. Allard
- Waggoner Center for Alcohol and Addiction Research and The University of Texas at Austin, Austin, TX, 78712, USA
| | - Jody Mayfield
- Waggoner Center for Alcohol and Addiction Research and The University of Texas at Austin, Austin, TX, 78712, USA
| | - Riccardo Barchiesi
- Waggoner Center for Alcohol and Addiction Research and The University of Texas at Austin, Austin, TX, 78712, USA
| | - Nihal A. Salem
- Waggoner Center for Alcohol and Addiction Research and The University of Texas at Austin, Austin, TX, 78712, USA
| | - R. Dayne Mayfield
- Waggoner Center for Alcohol and Addiction Research and The University of Texas at Austin, Austin, TX, 78712, USA
- Department of Neuroscience, The University of Texas at Austin, Austin, TX, 78712, USA
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Filannino FM, Panaro MA, Benameur T, Pizzolorusso I, Porro C. Extracellular Vesicles in the Central Nervous System: A Novel Mechanism of Neuronal Cell Communication. Int J Mol Sci 2024; 25:1629. [PMID: 38338906 PMCID: PMC10855168 DOI: 10.3390/ijms25031629] [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: 12/21/2023] [Revised: 01/21/2024] [Accepted: 01/26/2024] [Indexed: 02/12/2024] Open
Abstract
Cell-to-cell communication is essential for the appropriate development and maintenance of homeostatic conditions in the central nervous system. Extracellular vesicles have recently come to the forefront of neuroscience as novel vehicles for the transfer of complex signals between neuronal cells. Extracellular vesicles are membrane-bound carriers packed with proteins, metabolites, and nucleic acids (including DNA, mRNA, and microRNAs) that contain the elements present in the cell they originate from. Since their discovery, extracellular vesicles have been studied extensively and have opened up new understanding of cell-cell communication; they may cross the blood-brain barrier in a bidirectional way from the bloodstream to the brain parenchyma and vice versa, and play a key role in brain-periphery communication in physiology as well as pathology. Neurons and glial cells in the central nervous system release extracellular vesicles to the interstitial fluid of the brain and spinal cord parenchyma. Extracellular vesicles contain proteins, nucleic acids, lipids, carbohydrates, and primary and secondary metabolites. that can be taken up by and modulate the behaviour of neighbouring recipient cells. The functions of extracellular vesicles have been extensively studied in the context of neurodegenerative diseases. The purpose of this review is to analyse the role extracellular vesicles extracellular vesicles in central nervous system cell communication, with particular emphasis on the contribution of extracellular vesicles from different central nervous system cell types in maintaining or altering central nervous system homeostasis.
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Affiliation(s)
| | - Maria Antonietta Panaro
- Department of Biosciences, Biotechnologies and Environment, University of Bari, 70125 Bari, Italy;
| | - Tarek Benameur
- Department of Biomedical Sciences, College of Medicine, King Faisal University, Al-Ahsa 31982, Saudi Arabia;
| | - Ilaria Pizzolorusso
- Child and Adolescent Neuropsychiatry Unit, Department of Mental Health, ASL Foggia, 71121 Foggia, Italy;
| | - Chiara Porro
- Department of Clinical and Experimental Medicine, University of Foggia, 71121 Foggia, Italy;
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3
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Proia P, Rossi C, Alioto A, Amato A, Polizzotto C, Pagliaro A, Kuliś S, Baldassano S. MiRNAs Expression Modulates Osteogenesis in Response to Exercise and Nutrition. Genes (Basel) 2023; 14:1667. [PMID: 37761807 PMCID: PMC10529960 DOI: 10.3390/genes14091667] [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: 07/31/2023] [Revised: 08/15/2023] [Accepted: 08/21/2023] [Indexed: 09/29/2023] Open
Abstract
In recent years, many articles have been published describing the impact of physical activity and diet on bone health. This review has aimed to figure out the possible epigenetic mechanisms that influence bone metabolism. Many studies highlighted the effects of macro and micronutrients combined with exercise on the regulation of gene expression through miRs. The present review will describe how physical activity and nutrition can prevent abnormal epigenetic regulation that otherwise could lead to bone-metabolism-related diseases, the most significant of which is osteoporosis. Nowadays, it is known that this effect can be carried out not only by endogenously produced miRs, but also through those intakes through the diet. Indeed, they have also been found in the transcriptome of animals and plants, and it is possible to hypothesise an interaction between miRNAs produced by different kingdoms and epigenetic influences on human gene expression. In particular, the key to the activation pathways triggered by diet and physical activity appears to be the activation of Runt-related transcription factor 2 (RUNX2), the expression of which is regulated by several miRs. Among the main miRs involved are exercise-induced miR21 and 21-5p, and food-induced miR 221-3p and 222-3p.
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Affiliation(s)
- Patrizia Proia
- Sport and Exercise Sciences Research Unit, Department of Psychology, Educational Science and Human Movement, University of Palermo, Via Pascoli 6, 90144 Palermo, Italy; (C.R.); (A.A.); (C.P.); (A.P.)
| | - Carlo Rossi
- Sport and Exercise Sciences Research Unit, Department of Psychology, Educational Science and Human Movement, University of Palermo, Via Pascoli 6, 90144 Palermo, Italy; (C.R.); (A.A.); (C.P.); (A.P.)
- Centro Medico di Fisioterapia “Villa Sarina”, 91011 Alcamo, Italy
| | - Anna Alioto
- Sport and Exercise Sciences Research Unit, Department of Psychology, Educational Science and Human Movement, University of Palermo, Via Pascoli 6, 90144 Palermo, Italy; (C.R.); (A.A.); (C.P.); (A.P.)
| | - Alessandra Amato
- Department of Biomedical and Biotechnological Sciences, Section of Anatomy, Histology and Movement Science, School of Medicine, University of Catania, Via S. Sofia n°97, 95123 Catania, Italy;
| | - Caterina Polizzotto
- Sport and Exercise Sciences Research Unit, Department of Psychology, Educational Science and Human Movement, University of Palermo, Via Pascoli 6, 90144 Palermo, Italy; (C.R.); (A.A.); (C.P.); (A.P.)
| | - Andrea Pagliaro
- Sport and Exercise Sciences Research Unit, Department of Psychology, Educational Science and Human Movement, University of Palermo, Via Pascoli 6, 90144 Palermo, Italy; (C.R.); (A.A.); (C.P.); (A.P.)
| | - Szymon Kuliś
- Faculty of Physical Education, Józef Piłsudski University of Physical Education, 00-968 Warsaw, Poland;
| | - Sara Baldassano
- Department of Biological Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, 90128 Palermo, Italy;
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Williams A, Khatkar P, Branscome H, Kim Y, Erickson J, Jenabian MA, Costiniuk CT, Kashanchi F. The Use of CBD and Its Synthetic Analog HU308 in HIV-1-Infected Myeloid Cells. Pharmaceuticals (Basel) 2023; 16:1147. [PMID: 37631062 PMCID: PMC10458222 DOI: 10.3390/ph16081147] [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: 07/07/2023] [Revised: 08/01/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
Currently, there is no cure for human immunodeficiency virus type 1 (HIV-1) infection. However, combined antiretroviral therapy (cART) aids in viral latency and prevents the progression of HIV-1 infection into acquired immunodeficiency syndrome (AIDS). cART has extended many lives, but people living with HIV-1 (PLWH) face lifelong ailments such as HIV-associated neurocognitive disorders (HAND) that range from asymptomatic HAND to HIV-1-associated dementia. HAND has been attributed to chronic inflammation and low-level infection within the central nervous system (CNS) caused by proinflammatory cytokines and viral products. These molecules are shuttled into the CNS within extracellular vesicles (EVs), lipid bound nanoparticles, and are released from cells as a form of intercellular communication. This study investigates the impact of cannabidiol (CBD), as a promising and potential therapeutic for HAND patients, and a similar synthetic molecule, HU308, on the EVs released from HIV-1-infected myeloid cells as well as HIV-1-infected 3D neurospheres. The data shows that both CBD and HU308 decrease non-coding and coding viral RNA (TAR and env) as well as proinflammatory cytokines as IL-1β and TNF-α mRNA. This decrease in viral RNA occurs in in vitro differentiated primary macrophages, in EVs released from HIV-1-infected cells monocytes, and infected neurospheres. Furthermore, a 3D neurosphere model shows an overall decrease in proinflammatory mRNA with HU308. Finally, using a humanized mouse model of HIV-1 infection, plasma viral RNA was shown to significantly decrease with HU308 alone and was most effective in combination with cART, even when compared to the typical cART treatment. Overall, CBD or HU308 may be a viable option to decrease EV release and associated cytokines which would dampen the virus spread and may be used in effective treatment of HAND in combination with cART.
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Affiliation(s)
- Anastasia Williams
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Discovery Hall Room 182, 10900 University Blvd., Manassas, VA 20110, USA
| | - Pooja Khatkar
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Discovery Hall Room 182, 10900 University Blvd., Manassas, VA 20110, USA
| | - Heather Branscome
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Discovery Hall Room 182, 10900 University Blvd., Manassas, VA 20110, USA
| | - Yuriy Kim
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Discovery Hall Room 182, 10900 University Blvd., Manassas, VA 20110, USA
| | - James Erickson
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Discovery Hall Room 182, 10900 University Blvd., Manassas, VA 20110, USA
| | - Mohammad-Ali Jenabian
- Department of Biological Sciences and CERMO-FC Research Center, University of Quebec in Montreal, Montreal, QC H2L 2C4, Canada
| | - Cecilia T. Costiniuk
- Infectious Diseases and Immunity in Global Health Program, Research Institute of the McGill University Health Centre, Montreal, QC H4A 3J1, Canada
- Department of Medicine, Division of Infectious Diseases and Chronic Viral Illness Service, McGill University Health Centre, Montreal, QC H4A 3J1, Canada
| | - Fatah Kashanchi
- Laboratory of Molecular Virology, School of Systems Biology, George Mason University, Discovery Hall Room 182, 10900 University Blvd., Manassas, VA 20110, USA
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Schiera G, Cancemi P, Di Liegro CM, Naselli F, Volpes S, Cruciata I, Cardinale PS, Vaglica F, Calligaris M, Carreca AP, Chiarelli R, Scilabra SD, Leone O, Caradonna F, Di Liegro I. An In Vitro Model of Glioma Development. Genes (Basel) 2023; 14:genes14050990. [PMID: 37239349 DOI: 10.3390/genes14050990] [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: 03/27/2023] [Revised: 04/20/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023] Open
Abstract
Gliomas are the prevalent forms of brain cancer and derive from glial cells. Among them, astrocytomas are the most frequent. Astrocytes are fundamental for most brain functions, as they contribute to neuronal metabolism and neurotransmission. When they acquire cancer properties, their functions are altered, and, in addition, they start invading the brain parenchyma. Thus, a better knowledge of transformed astrocyte molecular properties is essential. With this aim, we previously developed rat astrocyte clones with increasing cancer properties. In this study, we used proteomic analysis to compare the most transformed clone (A-FC6) with normal primary astrocytes. We found that 154 proteins are downregulated and 101 upregulated in the clone. Moreover, 46 proteins are only expressed in the clone and 82 only in the normal cells. Notably, only 11 upregulated/unique proteins are encoded in the duplicated q arm of isochromosome 8 (i(8q)), which cytogenetically characterizes the clone. Since both normal and transformed brain cells release extracellular vesicles (EVs), which might induce epigenetic modifications in the neighboring cells, we also compared EVs released from transformed and normal astrocytes. Interestingly, we found that the clone releases EVs containing proteins, such as matrix metalloproteinase 3 (MMP3), that can modify the extracellular matrix, thus allowing invasion.
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Affiliation(s)
- Gabriella Schiera
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Viale delle Scienze, Edificio 16, 90128 Palermo, Italy
| | - Patrizia Cancemi
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Viale delle Scienze, Edificio 16, 90128 Palermo, Italy
| | - Carlo Maria Di Liegro
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Viale delle Scienze, Edificio 16, 90128 Palermo, Italy
| | - Flores Naselli
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Viale delle Scienze, Edificio 16, 90128 Palermo, Italy
| | - Sara Volpes
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Viale delle Scienze, Edificio 16, 90128 Palermo, Italy
| | - Ilenia Cruciata
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Viale delle Scienze, Edificio 16, 90128 Palermo, Italy
| | - Paola Sofia Cardinale
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Viale delle Scienze, Edificio 16, 90128 Palermo, Italy
| | - Fabiola Vaglica
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Viale delle Scienze, Edificio 16, 90128 Palermo, Italy
| | - Matteo Calligaris
- Proteomics Group, Department of Research, ISMETT-IRCCS, Ri.MED Foundation, 90127 Palermo, Italy
| | - Anna Paola Carreca
- Proteomics Group, Department of Research, ISMETT-IRCCS, Ri.MED Foundation, 90127 Palermo, Italy
| | - Roberto Chiarelli
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Viale delle Scienze, Edificio 16, 90128 Palermo, Italy
| | - Simone Dario Scilabra
- Proteomics Group, Department of Research, ISMETT-IRCCS, Ri.MED Foundation, 90127 Palermo, Italy
| | - Olga Leone
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palerm, Via del Vespro, 129, 90127 Palermo, Italy
| | - Fabio Caradonna
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Viale delle Scienze, Edificio 16, 90128 Palermo, Italy
| | - Italia Di Liegro
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palerm, Via del Vespro, 129, 90127 Palermo, Italy
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Pan Y, Liu Y, Wei W, Yang X, Wang Z, Xin W. Extracellular Vesicles as Delivery Shippers for Noncoding RNA-Based Modulation of Angiogenesis: Insights from Ischemic Stroke and Cancer. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205739. [PMID: 36592424 DOI: 10.1002/smll.202205739] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 12/02/2022] [Indexed: 06/17/2023]
Abstract
Ischemic stroke and systemic cancer are two of the leading causes of mortality. Hypoxia is a central pathophysiological component in ischemic stroke and cancer, representing a joint medical function. This function includes angiogenesis regulation. Vascular remodeling coupled with axonal outgrowth following cerebral ischemia is critical in improving poststroke neurological functional recovery. Antiangiogenic strategies can inhibit cancer vascularization and play a vital role in impeding cancer growth, invasion, and metastasis. Although there are significant differences in the cause of angiogenesis across both pathophysiological conditions, emerging evidence states that common signaling structures, such as extracellular vesicles (EVs) and noncoding RNAs (ncRNAs), are involved in this context. EVs, heterogeneous membrane vesicles encapsulating proteomic genetic information from parental cells, act as multifunctional regulators of intercellular communication. Among the multifaceted roles in modulating biological responses, exhaustive evidence shows that ncRNAs are selectively sorted into EVs, modulating common specific aspects of cancer development and stroke prognosis, namely, angiogenesis. This review will discuss recent advancements in the EV-facilitated/inhibited progression of specific elements of angiogenesis with a particular concern about ncRNAs within these vesicles. The review is concluded by underlining the clinical opportunities of EV-derived ncRNAs as diagnostic, prognostic, and therapeutic agents.
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Affiliation(s)
- Yongli Pan
- Department of Neurology, University Medical Center of Göttingen, Georg-August-University of Göttingen, 37075, Göttingen, Lower Saxony, Germany
- Department of Neurology, Weifang Medical University, Weifang, Shandong, 261053, China
| | - Yuheng Liu
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, China
- Tianjin Neurological Institute, Tianjin, 300052, China
| | - Wei Wei
- Department of Neurology, University Medical Center of Göttingen, Georg-August-University of Göttingen, 37075, Göttingen, Lower Saxony, Germany
- Department of Neurology, Mianyang Central Hospital, Mianyang, Sichuan, 621000, China
| | - Xinyu Yang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, China
- Tianjin Neurological Institute, Tianjin, 300052, China
| | - Zengguang Wang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, China
- Tianjin Neurological Institute, Tianjin, 300052, China
| | - Wenqiang Xin
- Department of Neurology, University Medical Center of Göttingen, Georg-August-University of Göttingen, 37075, Göttingen, Lower Saxony, Germany
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, China
- Tianjin Neurological Institute, Tianjin, 300052, China
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Kong L, Zhang D, Huang S, Lai J, Lu L, Zhang J, Hu S. Extracellular Vesicles in Mental Disorders: A State-of-art Review. Int J Biol Sci 2023; 19:1094-1109. [PMID: 36923936 PMCID: PMC10008693 DOI: 10.7150/ijbs.79666] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Accepted: 01/26/2023] [Indexed: 03/13/2023] Open
Abstract
Extracellular vesicles (EVs) are nanoscale particles with various physiological functions including mediating cellular communication in the central nervous system (CNS), which indicates a linkage between these particles and mental disorders such as schizophrenia, bipolar disorder, major depressive disorder, etc. To date, known characteristics of mental disorders are mainly neuroinflammation and dysfunctions of homeostasis in the CNS, and EVs are proven to be able to regulate these pathological processes. In addition, studies have found that some cargo of EVs, especially miRNAs, were significantly up- or down-regulated in patients with mental disorders. For many years, interest has been generated in exploring new diagnostic and therapeutic methods for mental disorders, but scale assessment and routine drug intervention are still the first-line applications so far. Therefore, underlying the downstream functions of EVs and their cargo may help uncover the pathogenetic mechanisms of mental disorders as well as provide novel biomarkers and therapeutic candidates. This review aims to address the connection between EVs and mental disorders, and discuss the current strategies that focus on EVs-related psychiatric detection and therapy.
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Affiliation(s)
- Lingzhuo Kong
- Department of Psychiatry, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Danhua Zhang
- Department of Psychiatry, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Shu Huang
- Department of Psychiatry, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Jianbo Lai
- Department of Psychiatry, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.,The Key Laboratory of Mental Disorder's Management in Zhejiang Province, Hangzhou 310003, China.,Brain Research Institute of Zhejiang University, Hangzhou 310003, China.,Zhejiang Engineering Center for Mathematical Mental Health, Hangzhou 310003, China.,Department of Neurobiology, NHC and CAMS Key Laboratory of Medical Neurobiology, School of Brain Science and Brian Medicine, and MOE Frontier Science Center for Brain Science and Brain-machine Integration, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Lin Lu
- Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Chinese Academy of Medical Sciences Research Unit (No.2018RU006), Peking University, Beijing, China.,Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China
| | - Jing Zhang
- Department of Pathology, First Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang, China.,National Health and Disease Human Brain Tissue Resource Center, Zhejiang University, Zhejiang, China
| | - Shaohua Hu
- Department of Psychiatry, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.,The Key Laboratory of Mental Disorder's Management in Zhejiang Province, Hangzhou 310003, China.,Brain Research Institute of Zhejiang University, Hangzhou 310003, China.,Zhejiang Engineering Center for Mathematical Mental Health, Hangzhou 310003, China.,Department of Neurobiology, NHC and CAMS Key Laboratory of Medical Neurobiology, School of Brain Science and Brian Medicine, and MOE Frontier Science Center for Brain Science and Brain-machine Integration, Zhejiang University School of Medicine, Hangzhou 310003, China
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Giordano A, Rucci N, Falone S. Editorial: Extracellular vesicles as modulators of cancer cell adaptive responses linked to therapy resistance. Front Oncol 2022; 12:1101103. [DOI: 10.3389/fonc.2022.1101103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 11/18/2022] [Indexed: 11/30/2022] Open
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Zou J, Walter TJ, Barnett A, Rohlman A, Crews FT, Coleman LG. Ethanol Induces Secretion of Proinflammatory Extracellular Vesicles That Inhibit Adult Hippocampal Neurogenesis Through G9a/GLP-Epigenetic Signaling. Front Immunol 2022; 13:866073. [PMID: 35634322 PMCID: PMC9136051 DOI: 10.3389/fimmu.2022.866073] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 04/07/2022] [Indexed: 12/15/2022] Open
Abstract
Adult hippocampal neurogenesis (AHN) is involved in learning and memory as well as regulation of mood. Binge ethanol reduces AHN, though the mechanism is unknown. Microglia in the neurogenic niche are important regulators of AHN, and ethanol promotes proinflammatory microglia activation. We recently reported that extracellular vesicles (EVs) mediate ethanol-induced inflammatory signaling in microglia. Therefore, we investigated the role of EVs in ethanol-induced loss of adult hippocampal neurogenesis. At rest, microglia promoted neurogenesis through the secretion of pro-neurogenic extracellular vesicles (pn-EVs). Depletion of microglia using colony-stimulating factor 1 receptor (CSFR1) inhibition in vivo or using ex vivo organotypic brain slice cultures (OBSCs) caused a 30% and 56% loss of neurogenesis in the dentate, respectively, as measured by immunohistochemistry for doublecortin (DCX). Likewise, chemogenetic inhibition of microglia using a CD68.hM4di construct caused a 77% loss in OBSC, indicating a pro-neurogenic resting microglial phenotype. EVs from control OBSC were pro-neurogenic (pn-EVs), enhancing neurogenesis when transferred to other naive OBSC and restoring neurogenesis in microglia-depleted cultures. Ethanol inhibited neurogenesis and caused secretion of proinflammatory EVs (EtOH-EVs). EtOH-EVs reduced hippocampal neurogenesis in naïve OBSC by levels similar to ethanol. Neurogenesis involves complex regulation of chromatin structure that could involve EV signaling. Accordingly, EtOH-EVs were found to be enriched with mRNA for the euchromatin histone lysine methyltransferase (Ehm2t/G9a), an enzyme that reduces chromatin accessibility through histone-3 lysine-9 di-methylation (H3K9me2). EtOH-EVs induced G9a and H3K9me2 by 2-fold relative to pn-EVs in naïve OBSCs. Pharmacological inhibition of G9a with either BIX-01294 or UNC0642 prevented loss of neurogenesis caused by both EtOH and EtOH-EVs. Thus, this work finds that proinflammatory EtOH-EVs promote the loss of adult hippocampal neurogenesis through G9a-mediated epigenetic modification of chromatin structure.
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Affiliation(s)
- Jian Zou
- Bowles Center for Alcohol Studies, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, United States
| | - T. Jordan Walter
- Bowles Center for Alcohol Studies, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, United States
| | - Alexandra Barnett
- Bowles Center for Alcohol Studies, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, United States
| | - Aaron Rohlman
- Bowles Center for Alcohol Studies, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, United States
| | - Fulton T. Crews
- Bowles Center for Alcohol Studies, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, United States
- Department of Pharmacology, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, United States
- Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, United States
| | - Leon G. Coleman
- Bowles Center for Alcohol Studies, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, United States
- Department of Pharmacology, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, United States
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Transcriptomic Characterization of Cow, Donkey and Goat Milk Extracellular Vesicles Reveals Their Anti-Inflammatory and Immunomodulatory Potential. Int J Mol Sci 2021; 22:ijms222312759. [PMID: 34884564 PMCID: PMC8657891 DOI: 10.3390/ijms222312759] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/22/2021] [Accepted: 11/23/2021] [Indexed: 02/06/2023] Open
Abstract
Milk extracellular vesicles (mEVs) seem to be one of the main maternal messages delivery systems. Extracellular vesicles (EVs) are micro/nano-sized membrane-bound structures enclosing signaling molecules and thus acting as signal mediators between distant cells and/or tissues, exerting biological effects such as immune modulation and pro-regenerative activity. Milk is also a unique, scalable, and reliable source of EVs. Our aim was to characterize the RNA content of cow, donkey, and goat mEVs through transcriptomic analysis of mRNA and small RNA libraries. Over 10,000 transcripts and 2000 small RNAs were expressed in mEVs of each species. Among the most represented transcripts, 110 mRNAs were common between the species with cow acting as the most divergent. The most represented small RNA class was miRNA in all the species, with 10 shared miRNAs having high impact on the immune regulatory function. Functional analysis for the most abundant mRNAs shows epigenetic functions such as histone modification, telomere maintenance, and chromatin remodeling for cow; lipid catabolism, oxidative stress, and vitamin metabolism for donkey; and terms related to chemokine receptor interaction, leukocytes migration, and transcriptional regulation in response to stress for goat. For miRNA targets, shared terms emerged as the main functions for all the species: immunity modulation, protein synthesis, cellular cycle regulation, transmembrane exchanges, and ion channels. Moreover, donkey and goat showed additional terms related to epigenetic modification and DNA maintenance. Our results showed a potential mEVs immune regulatory purpose through their RNA cargo, although in vivo validation studies are necessary.
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Thinking Quantitatively of RNA-Based Information Transfer via Extracellular Vesicles: Lessons to Learn for the Design of RNA-Loaded EVs. Pharmaceutics 2021; 13:pharmaceutics13111931. [PMID: 34834346 PMCID: PMC8617734 DOI: 10.3390/pharmaceutics13111931] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/01/2021] [Accepted: 11/10/2021] [Indexed: 02/06/2023] Open
Abstract
Extracellular vesicles (EVs) are 50–1000 nm vesicles secreted by virtually any cell type in the body. They are expected to transfer information from one cell or tissue to another in a short- or long-distance way. RNA-based transfer of information via EVs at long distances is an interesting well-worn hypothesis which is ~15 years old. We review from a quantitative point of view the different facets of this hypothesis, ranging from natural RNA loading in EVs, EV pharmacokinetic modeling, EV targeting, endosomal escape and RNA delivery efficiency. Despite the unique intracellular delivery properties endowed by EVs, we show that the transfer of RNA naturally present in EVs might be limited in a physiological context and discuss the lessons we can learn from this example to design efficient RNA-loaded engineered EVs for biotherapies. We also discuss other potential EV mediated information transfer mechanisms, among which are ligand–receptor mechanisms.
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12
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Monti P, Solazzo G, Ferrari L, Bollati V. Extracellular Vesicles: Footprints of environmental exposures in the aging process? Curr Environ Health Rep 2021; 8:309-322. [PMID: 34743313 DOI: 10.1007/s40572-021-00327-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/20/2021] [Indexed: 12/17/2022]
Abstract
PURPOSE OF THE REVIEW Extracellular vesicles (EVs) are nano-sized lipid particles that participate in intercellular signaling through the trafficking of bioactive molecules from parental cells to recipient ones. This well-orchestrated communication system is crucial for the organism to respond to external cues in a coordinated manner; indeed, environmental and lifestyle exposures can modify both EV number and content, with consequences on cellular metabolism and homeostasis. In particular, a growing body of evidence suggests that exposome-induced changes in EV profile could regulate the aging process, both at the cellular and organismal levels. Here, we provide an overview of the role played by ambient-induced EVs on aging and age-related diseases. Among the several environmental factors that can affect the communication network operated by EVs, we focused on air pollution, ultraviolet light, diet, and physical exercise. Moreover, we performed a miRNA target analysis, to support the role of EV-miRNA emerging from the literature in the context of aging. RECENT FINDINGS The overall emerging picture strongly supports a key regulatory role for EVs at the interface between external stimuli and cellular/organismal aging, thus providing novel insights into the molecular mechanisms linking a "healthy exposome" to well-being in old age. In addition, this knowledge will pave the way for research aimed at developing innovative antiaging strategies based on EVs.
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Affiliation(s)
- Paola Monti
- EPIGET Lab, Department of Clinical Sciences and Community Health, Università Degli Studi Di Milano, Milan, Italy
| | - Giulia Solazzo
- EPIGET Lab, Department of Clinical Sciences and Community Health, Università Degli Studi Di Milano, Milan, Italy
| | - Luca Ferrari
- EPIGET Lab, Department of Clinical Sciences and Community Health, Università Degli Studi Di Milano, Milan, Italy
| | - Valentina Bollati
- EPIGET Lab, Department of Clinical Sciences and Community Health, Università Degli Studi Di Milano, Milan, Italy. .,Occupational Health Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.
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13
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Villasante A, Godier-Furnemont A, Hernandez-Barranco A, Coq JL, Boskovic J, Peinado H, Mora J, Samitier J, Vunjak-Novakovic G. Horizontal transfer of the stemness-related markers EZH2 and GLI1 by neuroblastoma-derived extracellular vesicles in stromal cells. Transl Res 2021; 237:82-97. [PMID: 34217898 PMCID: PMC9204390 DOI: 10.1016/j.trsl.2021.06.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 06/24/2021] [Accepted: 06/27/2021] [Indexed: 01/05/2023]
Abstract
Neuroblastoma (NB) is the most common extracranial pediatric solid cancer originating from undifferentiated neural crest cells. NB cells express EZH2 and GLI1 genes that are known to maintain the undifferentiated phenotype of cancer stem cells (CSC) in NB. Recent studies suggest that tumor-derived extracellular vesicles (EVs) can regulate the transformation of surrounding cells into CSC by transferring tumor-specific molecules they contain. However, the horizontal transfer of EVs molecules in NB remains largely unknown. We report the analysis of NB-derived EVs in bioengineered models of NB that are based on a collagen 1/hyaluronic acid scaffold designed to mimic the native tumor niche. Using these models, we observed an enrichment of GLI1 and EZH2 mRNAs in NB-derived EVs. As a consequence of the uptake of NB-derived EVs, the host cells increased the expression levels of GLI1 and EZH2. These results suggest the alteration of the expression profile of stromal cells through an EV-based mechanism, and point the GLI1 and EZH2 mRNAs in the EV cargo as diagnostic biomarkers in NB.
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Affiliation(s)
- Aranzazu Villasante
- Department of Biomedical Engineering, Columbia University, New York, New York,USA; Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain; Department of Electronics and Biomedical Engineering, University of Barcelona, Barcelona, Spain.
| | | | - Alberto Hernandez-Barranco
- Microenvironment and Metastasis Laboratory, Molecular Oncology Programme, Spanish National Cancer Research Center (CNIO), Madrid, Spain
| | - Johanne Le Coq
- Electron Microscopy Unit, Structural Biology Programme, Spanish National Cancer Research Center (CNIO), Madrid, Spain
| | - Jasminka Boskovic
- Electron Microscopy Unit, Structural Biology Programme, Spanish National Cancer Research Center (CNIO), Madrid, Spain
| | - Hector Peinado
- Microenvironment and Metastasis Laboratory, Molecular Oncology Programme, Spanish National Cancer Research Center (CNIO), Madrid, Spain
| | - Jaume Mora
- Oncology Department, Pediatric Cancer Center Barcelona, Hospital Sant Joan de Deu, Barcelona, Spain
| | - Josep Samitier
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain; Department of Electronics and Biomedical Engineering, University of Barcelona, Barcelona, Spain; Biomedical Research Networking Center in Bioengineering, Biomaterials, and Nanomedicine (CIBER-BBN), Madrid, Spain
| | - Gordana Vunjak-Novakovic
- Department of Biomedical Engineering, Columbia University, New York, New York,USA; Department of Medicine, Columbia University, New York, New York, USA.
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14
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Wen J, Moloney EB, Canning A, Donohoe E, Ritter T, Wang J, Xiang D, Wu J, Li Y. Synthesized nanoparticles, biomimetic nanoparticles and extracellular vesicles for treatment of autoimmune disease: Comparison and prospect. Pharmacol Res 2021; 172:105833. [PMID: 34418563 DOI: 10.1016/j.phrs.2021.105833] [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: 05/14/2021] [Revised: 08/13/2021] [Accepted: 08/16/2021] [Indexed: 11/18/2022]
Abstract
An emerging strategy is needed to treat autoimmune diseases, many of which are chronic with no definitive cure. Current treatments only alleviate symptoms and have many side effects affecting patient quality of life. Recently, nanoparticle drug delivery systems, an emerging method in medicine, has been used to target cells or organs, without damaging normal tissue. This approach has led to fewer side effects, along with a strong immunosuppressive capacity. Therefore, a nanotechnology approach may help to improve the treatment of autoimmune diseases. In this review, we separated nanoparticles into three categories: synthesized nanoparticles, biomimetic nanoparticles, and extracellular vesicles. This review firstly compares the typical mechanism of action of these three nanoparticle categories respectively in terms of active targeting, camouflage effect, and similarity to parent cells. Then their immunomodulation properties are discussed. Finally, the challenges faced by all these nanoparticles are described.
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Affiliation(s)
- Jing Wen
- Department of Pharmacy, the Third Hospital of Changsha, Changsha, China
| | - Elizabeth B Moloney
- Regenerative Medicine Institute (REMEDI), School of Medicine, College of Medicine, Nursing and Health Sciences, National University of Ireland Galway, Galway, Ireland
| | - Aoife Canning
- Regenerative Medicine Institute (REMEDI), School of Medicine, College of Medicine, Nursing and Health Sciences, National University of Ireland Galway, Galway, Ireland
| | - Ellen Donohoe
- Regenerative Medicine Institute (REMEDI), School of Medicine, College of Medicine, Nursing and Health Sciences, National University of Ireland Galway, Galway, Ireland
| | - Thomas Ritter
- Regenerative Medicine Institute (REMEDI), School of Medicine, College of Medicine, Nursing and Health Sciences, National University of Ireland Galway, Galway, Ireland
| | - Jiemin Wang
- Regenerative Medicine Institute (REMEDI), School of Medicine, College of Medicine, Nursing and Health Sciences, National University of Ireland Galway, Galway, Ireland.
| | - Daxiong Xiang
- Department of Pharmacy, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Junyong Wu
- Department of Pharmacy, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Yongjiang Li
- Department of Pharmacy, the Second Xiangya Hospital, Central South University, Changsha, China
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15
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Costanzi E, Simioni C, Varano G, Brenna C, Conti I, Neri LM. The Role of Extracellular Vesicles as Shuttles of RNA and Their Clinical Significance as Biomarkers in Hepatocellular Carcinoma. Genes (Basel) 2021; 12:genes12060902. [PMID: 34207985 PMCID: PMC8230662 DOI: 10.3390/genes12060902] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 06/04/2021] [Accepted: 06/09/2021] [Indexed: 12/11/2022] Open
Abstract
Extracellular vesicles (EVs) have attracted interest as mediators of intercellular communication following the discovery that EVs contain RNA molecules, including non-coding RNA (ncRNA). Growing evidence for the enrichment of peculiar RNA species in specific EV subtypes has been demonstrated. ncRNAs, transferred from donor cells to recipient cells, confer to EVs the feature to regulate the expression of genes involved in differentiation, proliferation, apoptosis, and other biological processes. These multiple actions require accuracy in the isolation of RNA content from EVs and the methodologies used play a relevant role. In liver, EVs play a crucial role in regulating cell-cell communications and several pathophysiological events in the heterogeneous liver class of cells via horizontal transfer of their cargo. This review aims to discuss the rising role of EVs and their ncRNAs content in regulating specific aspects of hepatocellular carcinoma development, including tumorigenesis, angiogenesis, and tumor metastasis. We analyze the progress in EV-ncRNAs' potential clinical applications as important diagnostic and prognostic biomarkers for liver conditions.
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Affiliation(s)
- Eva Costanzi
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (E.C.); (G.V.); (C.B.); (I.C.)
| | - Carolina Simioni
- Department of Life Sciences and Biotechnology, University of Ferrara, 44121 Ferrara, Italy;
- Laboratory for Technologies of Advanced Therapies (LTTA)—Electron Microscopy Center, University of Ferrara, 44121 Ferrara, Italy
| | - Gabriele Varano
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (E.C.); (G.V.); (C.B.); (I.C.)
- Laboratory for Technologies of Advanced Therapies (LTTA)—Electron Microscopy Center, University of Ferrara, 44121 Ferrara, Italy
| | - Cinzia Brenna
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (E.C.); (G.V.); (C.B.); (I.C.)
- Laboratory for Technologies of Advanced Therapies (LTTA)—Electron Microscopy Center, University of Ferrara, 44121 Ferrara, Italy
| | - Ilaria Conti
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (E.C.); (G.V.); (C.B.); (I.C.)
| | - Luca Maria Neri
- Department of Translational Medicine, University of Ferrara, 44121 Ferrara, Italy; (E.C.); (G.V.); (C.B.); (I.C.)
- Laboratory for Technologies of Advanced Therapies (LTTA)—Electron Microscopy Center, University of Ferrara, 44121 Ferrara, Italy
- Correspondence: ; Tel.: +39-0532-455940
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16
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Abstract
Significant advances have been observed in the field of cell biology, with numerous studies exploring the molecular genetic pathways that have contributed to species evolution and disease development. The current study adds to the existing body of research evidence by reviewing information related to the role of leftover viruses and/or viral remnants in human physiology. To explore leftover viruses, their incorporation, and their roles in human physiology. The study entailed conducting a systematic search in the PsycINFO, PubMed, Web of Science, and CINAHL databases to locate articles related to the topic of investigation. The search terms included “leftovers,” “viruses,” “genome sequences,” “transposable elements,” “immune response,” and “evolution.” Additional articles were selected from the references of the studies identified in the electronic databases. Evidence showed that both retroviruses and nonretroviruses can be integrated into the human germline via various mechanisms. The role of leftover viruses in human physiology has been explored by studying the activation of human retroviral genes in the human placenta, RNA transfer between neurons through virus-like particles, and RNA transfer through extracellular vesicles. Research evidence suggested that leftover viruses play key roles in human physiology. A more complete understanding of the underlying pathways may provide an avenue for studying human evolution and allow researchers to determine the pathogenesis of some viral infections. Evidence obtained in this review shows that leftover viruses may be incorporated into the human genome. Retroviral genes are critical for the development of different parts of the body, such as the placenta in mammals.
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Affiliation(s)
- Borros Arneth
- Institute of Laboratory Medicine and Pathobiochemistry, Molecular Diagnostics, University Hospital of the Universities of Giessen and Marburg UKGM, Justus Liebig University Giessen, Feulgenstr. 12, 35392, Giessen, Germany.
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17
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Parreira VDSC, Santos LGC, Rodrigues ML, Passetti F. ExVe: The knowledge base of orthologous proteins identified in fungal extracellular vesicles. Comput Struct Biotechnol J 2021; 19:2286-2296. [PMID: 33995920 PMCID: PMC8102145 DOI: 10.1016/j.csbj.2021.04.031] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 04/09/2021] [Accepted: 04/13/2021] [Indexed: 12/11/2022] Open
Abstract
Extracellular vesicles (EVs) are double-membrane particles associated with intercellular communication. Since the discovery of EV production in the fungus Cryptococcus neoformans, the importance of EV release in its physiology and pathogenicity has been investigated. To date, few studies have investigated the proteomic content of EVs from multiple fungal species. Our main objective was to use an orthology approach to compare proteins identified by EV shotgun proteomics in 8 pathogenic and 1 nonpathogenic species. Using protein information from the UniProt and FungiDB databases, we integrated data for 11,433 hits in fungal EVs with an orthology perspective, resulting in 3,834 different orthologous groups. OG6_100083 (Hsp70 Pfam domain) was the unique orthologous group that was identified for all fungal species. Proteins with this protein domain are associated with the stress response, survival and morphological changes in different fungal species. Although no pathogenic orthologous group was found, we identified 5 orthologous groups exclusive to S. cerevisiae. Using the criteria of at least 7 pathogenic fungi to define a cluster, we detected the 4 unique pathogenic orthologous groups. Taken together, our data suggest that Hsp70-related proteins might play a key role in fungal EVs, regardless of the pathogenic status. Using an orthology approach, we identified at least 4 protein domains that could be novel therapeutic targets against pathogenic fungi. Our results were compiled in the herein described ExVe database, which is publicly available at http://exve.icc.fiocruz.br.
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Affiliation(s)
| | | | - Marcio L Rodrigues
- Instituto Carlos Chagas, FIOCRUZ, Rua Prof. Algacyr Munhoz Mader, 3775, CEP 81350-010, Curitiba/PR, Brazil.,Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro (UFRJ), Brazil
| | - Fabio Passetti
- Instituto Carlos Chagas, FIOCRUZ, Rua Prof. Algacyr Munhoz Mader, 3775, CEP 81350-010, Curitiba/PR, Brazil
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18
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An T, Chen Y, Tu Y, Lin P. Mesenchymal Stromal Cell-Derived Extracellular Vesicles in the Treatment of Diabetic Foot Ulcers: Application and Challenges. Stem Cell Rev Rep 2021; 17:369-378. [PMID: 32772239 DOI: 10.1007/s12015-020-10014-9] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Diabetic foot ischemia and ulcer (DFU) persists as a serious diabetes mellitus complication in spite of increased understanding of the pathophysiology and the cellular and molecular responses. Contributing to this pessimistic situation is the lack of effective treatments that are slow to heal the deep chronic wounds and microvascular obstruction. Mesenchymal stromal cells (MSCs) have been tested as a promising cell-based therapy for diabetes in vitro and in vivo, which is able to accelerate wound closure with increased epithelialization, granulation tissue formation and angiogenesis by differentiation into skin cells and paracrine pathways to repair injured cells. The secretomes of MSCs, including cytokines, growth factors, chemokines, and extracellular vesicles containing mRNA, proteins and microRNAs, have immunomodulatory and regenerative effects. This review will shed new light on the therapeutic potential of MSC-derived extracellular vesicles (MSC-EVs) for the treatment of diabetes-induced lower limb ischemia and ulcers. The identification of underlying mechanisms for MSC-EVs regulation on impaired diabetic wound healing might provide a new direction for MSC-centered treatment for diabetic lower limb ischemia and ulcers. Immunomodulatory and angiogenic effects of MSC-derived extracellular vesicles on diabetic foot ulcer.
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Affiliation(s)
- Tao An
- Department of hand and foot surgery, Jinhua Hospital of Zhejiang University, Jinhua, People's Republic of China
- Department of hand and foot surgery, Jinhua Central Hospital, 365 Renmin East Road, Jinhua, Zhejiang Province, People's Republic of China
| | - Yi Chen
- Department of hand and foot surgery, Jinhua Hospital of Zhejiang University, Jinhua, People's Republic of China
- Department of hand and foot surgery, Jinhua Central Hospital, 365 Renmin East Road, Jinhua, Zhejiang Province, People's Republic of China
| | - Yingchun Tu
- Department of hand and foot surgery, Jinhua Hospital of Zhejiang University, Jinhua, People's Republic of China
- Department of hand and foot surgery, Jinhua Central Hospital, 365 Renmin East Road, Jinhua, Zhejiang Province, People's Republic of China
| | - Ping Lin
- Department of hand and foot surgery, Jinhua Hospital of Zhejiang University, Jinhua, People's Republic of China.
- Department of hand and foot surgery, Jinhua Central Hospital, 365 Renmin East Road, Jinhua, Zhejiang Province, People's Republic of China.
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19
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Penolazzi L, Lambertini E, Piva R. The Adequacy of Experimental Models and Understanding the Role of Non-coding RNA in Joint Homeostasis and Disease. Front Genet 2020; 11:563637. [PMID: 33193647 PMCID: PMC7581901 DOI: 10.3389/fgene.2020.563637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 09/09/2020] [Indexed: 11/13/2022] Open
Affiliation(s)
- Letizia Penolazzi
- Department of Biomedical & Specialty Surgical Sciences, University of Ferrara, Ferrara, Italy
| | - Elisabetta Lambertini
- Department of Biomedical & Specialty Surgical Sciences, University of Ferrara, Ferrara, Italy
| | - Roberta Piva
- Department of Biomedical & Specialty Surgical Sciences, University of Ferrara, Ferrara, Italy.,University Center for Studies on Gender Medicine, University of Ferrara, Ferrara, Italy
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20
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Weghorst F, Mirzakhanyan Y, Samimi K, Dhillon M, Barzik M, Cunningham LL, Gershon PD, Cramer KS. Caspase-3 Cleaves Extracellular Vesicle Proteins During Auditory Brainstem Development. Front Cell Neurosci 2020; 14:573345. [PMID: 33281555 PMCID: PMC7689216 DOI: 10.3389/fncel.2020.573345] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 10/05/2020] [Indexed: 12/26/2022] Open
Abstract
Sound localization requires extremely precise development of auditory brainstem circuits, the molecular mechanisms of which are largely unknown. We previously demonstrated a novel requirement for non-apoptotic activity of the protease caspase-3 in chick auditory brainstem development. Here, we used mass spectrometry to identify proteolytic substrates of caspase-3 during chick auditory brainstem development. These auditory brainstem caspase-3 substrates were enriched for proteins previously shown to be cleaved by caspase-3, especially in non-apoptotic contexts. Functional annotation analysis revealed that our caspase-3 substrates were also enriched for proteins associated with several protein categories, including proteins found in extracellular vesicles (EVs), membrane-bound nanoparticles that function in intercellular communication. The proteome of EVs isolated from the auditory brainstem was highly enriched for our caspase-3 substrates. Additionally, we identified two caspase-3 substrates with known functions in axon guidance, namely Neural Cell Adhesion Molecule (NCAM) and Neuronal-glial Cell Adhesion Molecule (Ng-CAM), that were found in auditory brainstem EVs and expressed in the auditory pathway alongside cleaved caspase-3. Taken together, these data suggest a novel developmental mechanism whereby caspase-3 influences auditory brainstem circuit formation through the proteolytic cleavage of extracellular vesicle (EV) proteins.
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Affiliation(s)
- Forrest Weghorst
- Department of Neurobiology and Behavior, University of California, Irvine, Irvine, CA, United States
| | - Yeva Mirzakhanyan
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA, United States
| | - Kian Samimi
- Department of Neurobiology and Behavior, University of California, Irvine, Irvine, CA, United States
| | - Mehron Dhillon
- Department of Neurobiology and Behavior, University of California, Irvine, Irvine, CA, United States
| | - Melanie Barzik
- Section on Sensory Cell Biology, NIDCD, NIH, Bethesda, MD, United States
| | - Lisa L. Cunningham
- Section on Sensory Cell Biology, NIDCD, NIH, Bethesda, MD, United States
| | - Paul D. Gershon
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA, United States
| | - Karina S. Cramer
- Department of Neurobiology and Behavior, University of California, Irvine, Irvine, CA, United States
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21
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Clark ME, Rizos H, Pereira MR, McEvoy AC, Marsavela G, Calapre L, Meehan K, Ruhen O, Khattak MA, Meniawy TM, Long GV, Carlino MS, Menzies AM, Millward M, Ziman M, Gray ES. Detection of BRAF splicing variants in plasma-derived cell-free nucleic acids and extracellular vesicles of melanoma patients failing targeted therapy therapies. Oncotarget 2020; 11:4016-4027. [PMID: 33216826 PMCID: PMC7646833 DOI: 10.18632/oncotarget.27790] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 10/10/2020] [Indexed: 12/13/2022] Open
Abstract
The analysis of plasma circulating tumour nucleic acids provides a non-invasive approach to assess disease burden and the genetic evolution of tumours in response to therapy. BRAF splicing variants are known to confer melanoma resistance to BRAF inhibitors. We developed a test to screen cell-free RNA (cfRNA) for the presence of BRAF splicing variants. Custom droplet digital PCR assays were designed for the detection of BRAF splicing variants p61, p55, p48 and p41 and then validated using RNA from cell lines carrying these variants. Evaluation of plasma from patients with reported objective response to BRAF/MEK inhibition followed by disease progression was revealed by increased circulating tumour DNA (ctDNA) in 24 of 38 cases at the time of relapse. Circulating BRAF splicing variants were detected in cfRNA from 3 of these 38 patients; two patients carried the BRAF p61 variant and one the p55 variant. In all three cases the presence of the splicing variant was apparent only at the time of progressive disease. BRAF p61 was also detectable in plasma of one of four patients with confirmed BRAF splicing variants in their progressing tumours. Isolation and analysis of RNA from extracellular vesicles (EV) from resistant cell lines and patient plasma demonstrated that BRAF splicing variants are associated with EVs. These findings indicate that in addition to plasma ctDNA, RNA carried by EVs can provide important tumour specific information.
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Affiliation(s)
- Michael E. Clark
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
- School of Biomedical Science, University of Western Australia, Crawley, Western Australia, Australia
| | - Helen Rizos
- Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales, Australia
- Westmead Institute for Cancer Research, The University of Sydney, Sydney, New South Wales, Australia
- Melanoma Institute Australia, Sydney, New South Wales, Australia
| | - Michelle R. Pereira
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
| | - Ashleigh C. McEvoy
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
| | - Gabriela Marsavela
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
| | - Leslie Calapre
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
| | - Katie Meehan
- Department of Otorhinolaryngology, Head and Neck Surgery, Chinese University of Hong Kong, Hong Kong
| | - Olivia Ruhen
- School of Biomedical Science, University of Western Australia, Crawley, Western Australia, Australia
| | - Muhammad A. Khattak
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
- School of Medicine, The University of Western Australia, Crawley, Western Australia, Australia
- Department of Medical Oncology, Fiona Stanley Hospital, Murdoch, Western Australia, Australia
| | - Tarek M. Meniawy
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
- School of Medicine, The University of Western Australia, Crawley, Western Australia, Australia
- Department of Medical Oncology, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia
| | - Georgina V. Long
- Melanoma Institute Australia, Sydney, New South Wales, Australia
- Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
- Mater Hospital, North Sydney, New South Wales, Australia
| | - Matteo S. Carlino
- Westmead Institute for Cancer Research, The University of Sydney, Sydney, New South Wales, Australia
- Melanoma Institute Australia, Sydney, New South Wales, Australia
- Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
| | - Alexander M. Menzies
- Melanoma Institute Australia, Sydney, New South Wales, Australia
- Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
- Mater Hospital, North Sydney, New South Wales, Australia
| | - Michael Millward
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
- School of Medicine, The University of Western Australia, Crawley, Western Australia, Australia
- Department of Medical Oncology, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia
| | - Melanie Ziman
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
- School of Biomedical Science, University of Western Australia, Crawley, Western Australia, Australia
| | - Elin S. Gray
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
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22
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Abstract
Exonic circular RNAs (circRNAs) have been discovered in all kingdoms of life. In many cases, the details of circRNA function and their involvement in cellular processes and diseases are not yet fully understood. However, the past few years have seen significant developments in bioinformatics and in experimental protocols that advance the ongoing research in this still-emerging field. Sophisticated methods for circRNA generation in vitro and in vivo have been developed, allowing model studies into circRNA function and application. We here review the ongoing circRNA research, giving special attention to recent progress in the field.
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Affiliation(s)
| | - Theodor Schnarr
- Institute for Biochemistry, University Greifswald, Greifswald, Germany
| | - Sabine Müller
- Institute for Biochemistry, University Greifswald, Greifswald, Germany
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23
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Liu S, Jaouannet M, Dempsey DA, Imani J, Coustau C, Kogel KH. RNA-based technologies for insect control in plant production. Biotechnol Adv 2020; 39:107463. [DOI: 10.1016/j.biotechadv.2019.107463] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 10/24/2019] [Accepted: 10/26/2019] [Indexed: 12/23/2022]
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24
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Cell-to-Cell Communication in Learning and Memory: From Neuro- and Glio-Transmission to Information Exchange Mediated by Extracellular Vesicles. Int J Mol Sci 2019; 21:ijms21010266. [PMID: 31906013 PMCID: PMC6982255 DOI: 10.3390/ijms21010266] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 12/14/2019] [Accepted: 12/28/2019] [Indexed: 02/06/2023] Open
Abstract
Most aspects of nervous system development and function rely on the continuous crosstalk between neurons and the variegated universe of non-neuronal cells surrounding them. The most extraordinary property of this cellular community is its ability to undergo adaptive modifications in response to environmental cues originating from inside or outside the body. Such ability, known as neuronal plasticity, allows long-lasting modifications of the strength, composition and efficacy of the connections between neurons, which constitutes the biochemical base for learning and memory. Nerve cells communicate with each other through both wiring (synaptic) and volume transmission of signals. It is by now clear that glial cells, and in particular astrocytes, also play critical roles in both modes by releasing different kinds of molecules (e.g., D-serine secreted by astrocytes). On the other hand, neurons produce factors that can regulate the activity of glial cells, including their ability to release regulatory molecules. In the last fifteen years it has been demonstrated that both neurons and glial cells release extracellular vesicles (EVs) of different kinds, both in physiologic and pathological conditions. Here we discuss the possible involvement of EVs in the events underlying learning and memory, in both physiologic and pathological conditions.
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25
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Nuzziello N, Liguori M. The MicroRNA Centrism in the Orchestration of Neuroinflammation in Neurodegenerative Diseases. Cells 2019; 8:cells8101193. [PMID: 31581723 PMCID: PMC6829202 DOI: 10.3390/cells8101193] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 09/27/2019] [Accepted: 09/30/2019] [Indexed: 12/11/2022] Open
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs with a unique ability to regulate the transcriptomic profile by binding to complementary regulatory RNA sequences. The ability of miRNAs to enhance (proinflammatory miRNAs) or restrict (anti-inflammatory miRNAs) inflammatory signalling within the central nervous system is an area of ongoing research, particularly in the context of disorders that feature neuroinflammation, including neurodegenerative diseases (NDDs). Furthermore, the discovery of competing endogenous RNAs (ceRNAs) has led to an increase in the complexity of miRNA-mediated gene regulation, with a paradigm shift from a unidirectional to a bidirectional regulation, where miRNA acts as both a regulator and is regulated by ceRNAs. Increasing evidence has revealed that ceRNAs, including long non-coding RNAs, circular RNAs, and pseudogenes, can act as miRNA sponges to regulate neuroinflammation in NDDs within complex cross-talk regulatory machinery, which is referred to as ceRNA network (ceRNET). In this review, we discuss the role of miRNAs in neuroinflammatory regulation and the manner in which cellular and vesicular ceRNETs could influence neuroinflammatory dynamics in complex multifactorial diseases, such as NDDs.
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Affiliation(s)
- Nicoletta Nuzziello
- National Research Council, Institute of Biomedical Technologies, Bari Unit, 70126 Bari, Italy.
| | - Maria Liguori
- National Research Council, Institute of Biomedical Technologies, Bari Unit, 70126 Bari, Italy.
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26
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Di Liegro CM, Schiera G, Proia P, Di Liegro I. Physical Activity and Brain Health. Genes (Basel) 2019; 10:genes10090720. [PMID: 31533339 PMCID: PMC6770965 DOI: 10.3390/genes10090720] [Citation(s) in RCA: 135] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 09/12/2019] [Indexed: 12/16/2022] Open
Abstract
Physical activity (PA) has been central in the life of our species for most of its history, and thus shaped our physiology during evolution. However, only recently the health consequences of a sedentary lifestyle, and of highly energetic diets, are becoming clear. It has been also acknowledged that lifestyle and diet can induce epigenetic modifications which modify chromatin structure and gene expression, thus causing even heritable metabolic outcomes. Many studies have shown that PA can reverse at least some of the unwanted effects of sedentary lifestyle, and can also contribute in delaying brain aging and degenerative pathologies such as Alzheimer’s Disease, diabetes, and multiple sclerosis. Most importantly, PA improves cognitive processes and memory, has analgesic and antidepressant effects, and even induces a sense of wellbeing, giving strength to the ancient principle of “mens sana in corpore sano” (i.e., a sound mind in a sound body). In this review we will discuss the potential mechanisms underlying the effects of PA on brain health, focusing on hormones, neurotrophins, and neurotransmitters, the release of which is modulated by PA, as well as on the intra- and extra-cellular pathways that regulate the expression of some of the genes involved.
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Affiliation(s)
- Carlo Maria Di Liegro
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche) (STEBICEF), University of Palermo, 90128 Palermo, Italy.
| | - Gabriella Schiera
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche) (STEBICEF), University of Palermo, 90128 Palermo, Italy.
| | - Patrizia Proia
- Department of Psychology, Educational Science and Human Movement (Dipartimento di Scienze Psicologiche, Pedagogiche, dell'Esercizio fisico e della Formazione), University of Palermo, 90128 Palermo, Italy.
| | - Italia Di Liegro
- Department of Biomedicine, Neurosciences and Advanced Diagnostics (Dipartimento di Biomedicina, Neuroscienze e Diagnostica avanzata) (Bi.N.D.), University of Palermo, 90127 Palermo, Italy.
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27
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Pavia FC, Di Bella MA, Brucato V, Blanda V, Zummo F, Vitrano I, Di Liegro CM, Ghersi G, Di Liegro I, Schiera G. A 3D‑scaffold of PLLA induces the morphological differentiation and migration of primary astrocytes and promotes the production of extracellular vesicles. Mol Med Rep 2019; 20:1288-1296. [PMID: 31173248 PMCID: PMC6625454 DOI: 10.3892/mmr.2019.10351] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 05/16/2019] [Indexed: 12/24/2022] Open
Abstract
The present study analyzed the ability of primary rat astrocytes to colonize a porous scaffold, mimicking the reticular structure of the brain parenchyma extracellular matrix, as well as their ability to grow, survive and differentiate on the scaffold. Scaffolds were prepared using poly‑L‑lactic acid (PLLA) via thermally‑induced phase separation. Firstly, the present study studied the effects of scaffold morphology on the growth of astrocytes, evaluating their capability to colonize. Specifically, two different morphologies were tested, which were obtained by changing the polymer concentration in the starting solution. The structures were characterized by scanning electron microscopy, and a pore size of 20 µm (defined as the average distance between the pore walls) was detected. For comparison, astrocytes were also cultured in the traditional 2D culture system that we have been using since 2003. Then the effects of different substrates, such as collagen I and IV, and fibronectin were analyzed. The results revealed that the PLLA scaffolds, coated with collagen IV, served as very good matrices for astrocytes, which were observed to adhere, grow and colonize the matrix, acquiring their typical morphology. In addition, under these conditions, they secreted extracellular vesicles (EVs) that were compatible in size with exosomes. Their ability to produce exosomes was also suggested by transmission electron microscopy pictures which revealed both EVs and intracellular structures that could be interpreted as multivesicular bodies. The fact that these cells were able to adapt to the PLLA scaffold, together with our previous results, which demonstrated that brain capillary endothelial cells can grow and differentiate on the same scaffold, could support the future use of 3D brain cell co‑culture systems.
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Affiliation(s)
| | - Maria Antonietta Di Bella
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, I-90133 Palermo, Italy
| | - Valerio Brucato
- Department of Engineering, University of Palermo, I-90128 Palermo, Italy
| | - Valeria Blanda
- Department of Engineering, University of Palermo, I-90128 Palermo, Italy
| | - Francesca Zummo
- Department of Biological Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, I-90128 Palermo, Italy
| | - Ilenia Vitrano
- Department of Engineering, University of Palermo, I-90128 Palermo, Italy
| | - Carlo Maria Di Liegro
- Department of Biological Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, I-90128 Palermo, Italy
| | - Giulio Ghersi
- Department of Biological Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, I-90128 Palermo, Italy
| | - Italia Di Liegro
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, I-90133 Palermo, Italy
| | - Gabriella Schiera
- Department of Biological Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, I-90128 Palermo, Italy
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28
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Kołat D, Hammouz R, Bednarek AK, Płuciennik E. Exosomes as carriers transporting long non‑coding RNAs: Molecular characteristics and their function in cancer (Review). Mol Med Rep 2019; 20:851-862. [PMID: 31173220 PMCID: PMC6625196 DOI: 10.3892/mmr.2019.10340] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 05/09/2019] [Indexed: 02/07/2023] Open
Abstract
Long non‑coding RNAs (lncRNAs) comprise a sizeable class of non‑coding RNAs with a length of over 200 base pairs. Little is known about their biological function, although over 20,000 lncRNAs have been annotated in the human genome. Through a diverse range of mechanisms, their primary function is in the regulation of the transcription of protein‑coding genes. lncRNA transcriptional activation can result from a group of nucleus‑retained and chromatin‑associated lncRNAs, which function as scaffolds in the cis/trans recruitment of transcription factors, co‑activators or chromatin remodelers, and/or promoter enhancers. Exosomes are released as extracellular vesicles and they are produced by endocytic pathways. Their synthesis is initiated by various processes including ceramide synthesis, release of intracellular Ca2+ or acid‑base balance disorders. Prior to vesicle creation, selective cargo loading occurs in the Endosomal Sorting Complex Required for Transport. Participation of endosomal sorting proteins such as tetraspanins or specific sumoylated proteins required for transport has been indicated in research. The endosomal‑sorting complex consists of four components, these induce the formation of multivesicular bodies and the induction of membrane deformation to form exosomes. Nanovesicles could be formed inside multivesicular bodies to allow transport outside the cell or digestion in lysosomes. The molecular content of exosomes is more heterogenic than its synthesis process, with different cargoes being examined inside vesicles with regard to the type or stage of cancers. This paper will review the importance of lncRNAs as crucial molecular content of exosomes, indicating its involvement in tumour suppression, pro‑tumorigenic events and the development of novel therapeutic approaches in the near future. Further studies of their mechanisms of function are essential, as well as overcoming several challenges to gain a clearer insight to the approaches for the best clinical application.
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Affiliation(s)
- Damian Kołat
- Faculty of Biomedical Sciences and Postgraduate Education, Medical University of Łódź, 90-752 Łódź, Poland
| | - Raneem Hammouz
- Department of Molecular Carcinogenesis, Medical University of Łódź, 90-752 Łódź, Poland
| | - Andrzej K. Bednarek
- Department of Molecular Carcinogenesis, Medical University of Łódź, 90-752 Łódź, Poland
| | - Elżbieta Płuciennik
- Department of Molecular Carcinogenesis, Medical University of Łódź, 90-752 Łódź, Poland
- Correspondence to: Dr Elżbieta Płuciennik, Department of Molecular Carcinogenesis, Medical University of Łódź, Zeligowskiego 7/9, 90-752 Łódź, Poland, E-mail:
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29
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Saeedi S, Israel S, Nagy C, Turecki G. The emerging role of exosomes in mental disorders. Transl Psychiatry 2019; 9:122. [PMID: 30923321 PMCID: PMC6438960 DOI: 10.1038/s41398-019-0459-9] [Citation(s) in RCA: 223] [Impact Index Per Article: 44.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 02/13/2019] [Accepted: 03/12/2019] [Indexed: 12/12/2022] Open
Abstract
Exosomes are a class of extracellular vesicles of endocytic origin, which are released by cells and are accessible in biofluids, such as saliva, urine, and plasma. These vesicles are enriched with small RNA, and they play a role in many physiological processes. In the brain, they are involved in processes including synaptic plasticity, neuronal stress response, cell-to-cell communication and neurogenesis. While exosomes have been implicated previously in cancer and neurodegenerative diseases, research regarding their role in mental disorders remains scarce. Given their functional significance in the brain, investigation in this field is warranted. Additionally, because exosomes can cross the blood-brain barrier, they may serve as accessible biomarkers of neural dysfunction. Studying exosomes may provide information towards diagnosis and therapeutic intervention, and specifically those derived from the brain may provide a mechanistic view of the disease phenotype. This review will discuss the roles of exosomes in the brain, and relate novel findings to current insights into mental disorders.
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Affiliation(s)
- Saumeh Saeedi
- 0000 0004 1936 8649grid.14709.3bMcGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC Canada ,0000 0004 1936 8649grid.14709.3bDepartment of Human Genetics, McGill University, Montreal, QC Canada
| | - Sonia Israel
- 0000 0004 1936 8649grid.14709.3bMcGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC Canada
| | - Corina Nagy
- 0000 0004 1936 8649grid.14709.3bMcGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC Canada
| | - Gustavo Turecki
- McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC, Canada. .,Department of Psychiatry, McGill University, Montreal, QC, Canada.
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30
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Abstract
Marine organisms' persistence hinges on the capacity for acclimatization and adaptation to the myriad of interacting environmental stressors associated with global climate change. In this context, epigenetics-mechanisms that facilitate phenotypic variation through genotype-environment interactions-are of great interest ecologically and evolutionarily. Our comprehensive review of marine environmental epigenetics guides our recommendations of four key areas for future research: the dynamics of wash-in and wash-out of epigenetic effects, the mechanistic understanding of the interplay of different epigenetic marks and the interaction with the microbiome, the capacity for and mechanisms of transgenerational epigenetic inheritance, and the evolutionary implications of the interaction of genetic and epigenetic features. Emerging insights in marine environmental epigenetics can be applied to critical issues such as aquaculture, biomonitoring, and biological invasions, thereby improving our ability to explain and predict the responses of marine taxa to global climate change.
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Affiliation(s)
- Jose M Eirin-Lopez
- Environmental Epigenetics Laboratory, Center for Coastal Oceans Research, Institute for Water and Environment, Florida International University, North Miami, Florida 33181, USA;
| | - Hollie M Putnam
- Department of Biological Sciences, University of Rhode Island, Kingston, Rhode Island 02881, USA;
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31
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Mu W, Wang Z, Zöller M. Ping-Pong-Tumor and Host in Pancreatic Cancer Progression. Front Oncol 2019; 9:1359. [PMID: 31921628 PMCID: PMC6927459 DOI: 10.3389/fonc.2019.01359] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 11/18/2019] [Indexed: 12/12/2022] Open
Abstract
Metastasis is the main cause of high pancreatic cancer (PaCa) mortality and trials dampening PaCa mortality rates are not satisfying. Tumor progression is driven by the crosstalk between tumor cells, predominantly cancer-initiating cells (CIC), and surrounding cells and tissues as well as distant organs, where tumor-derived extracellular vesicles (TEX) are of major importance. A strong stroma reaction, recruitment of immunosuppressive leukocytes, perineural invasion, and early spread toward the peritoneal cavity, liver, and lung are shared with several epithelial cell-derived cancer, but are most prominent in PaCa. Here, we report on the state of knowledge on the PaCIC markers Tspan8, alpha6beta4, CD44v6, CXCR4, LRP5/6, LRG5, claudin7, EpCAM, and CD133, which all, but at different steps, are engaged in the metastatic cascade, frequently via PaCIC-TEX. This includes the contribution of PaCIC markers to TEX biogenesis, targeting, and uptake. We then discuss PaCa-selective features, where feedback loops between stromal elements and tumor cells, including distorted transcription, signal transduction, and metabolic shifts, establish vicious circles. For the latter particularly pancreatic stellate cells (PSC) are responsible, furnishing PaCa to cope with poor angiogenesis-promoted hypoxia by metabolic shifts and direct nutrient transfer via vesicles. Furthermore, nerves including Schwann cells deliver a large range of tumor cell attracting factors and Schwann cells additionally support PaCa cell survival by signaling receptor binding. PSC, tumor-associated macrophages, and components of the dysplastic stroma contribute to perineural invasion with signaling pathway activation including the cholinergic system. Last, PaCa aggressiveness is strongly assisted by the immune system. Although rich in immune cells, only immunosuppressive cells and factors are recovered in proximity to tumor cells and hamper effector immune cells entering the tumor stroma. Besides a paucity of immunostimulatory factors and receptors, immunosuppressive cytokines, myeloid-derived suppressor cells, regulatory T-cells, and M2 macrophages as well as PSC actively inhibit effector cell activation. This accounts for NK cells of the non-adaptive and cytotoxic T-cells of the adaptive immune system. We anticipate further deciphering the molecular background of these recently unraveled intermingled phenomena may turn most lethal PaCa into a curatively treatable disease.
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Affiliation(s)
- Wei Mu
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- *Correspondence: Wei Mu
| | - Zhe Wang
- Department of Oncology, The First Affiliated Hospital of Guangdong, Pharmaceutical University, Guangzhou, China
| | - Margot Zöller
- Department of Oncology, The First Affiliated Hospital of Guangdong, Pharmaceutical University, Guangzhou, China
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32
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Zhang P, Crow J, Lella D, Zhou X, Samuel G, Godwin AK, Zeng Y. Ultrasensitive quantification of tumor mRNAs in extracellular vesicles with an integrated microfluidic digital analysis chip. LAB ON A CHIP 2018; 18:3790-3801. [PMID: 30474100 PMCID: PMC6310142 DOI: 10.1039/c8lc01071d] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Extracellular vesicles (EVs) present a promising liquid biopsy for cancer diagnosis. However, it remains a daunting challenge to quantitatively measure molecular contents of EVs including tumor-associated mRNAs. Herein, we report a configurable microwell-patterned microfluidic digital analysis platform combined with a dual-probe hybridization assay for PCR-free, single-molecule detection of specific mRNAs in EVs. The microwell array in our device is configurable between the flow-through assay mode for enhanced hybridization capture and tagging of mRNAs and the digital detection mode based on femtoliter-scale enzymatic signal amplification for single-molecule counting of surface-bound targets. Furthermore, a dual-probe hybridization assay has been developed to enhance the sensitivity of the digital single-molecule detection of EV mRNAs. Combining the merits of the chip design and the dual-probe digital mRNA hybridization assay, the integrated microfluidic system has been demonstrated to afford quantitative detection of synthetic GAPDH mRNA with a LOD as low as 20 aM. Using this technology, we quantified the level of GAPDH and EWS-FLI1 mRNAs in EVs derived from two cell lines of peripheral primitive neuroectodermal tumor (PNET), CHLA-9 and CHLA-258. Our measurements detected 64.6 and 43.5 copies of GAPDH mRNA and 6.5 and 0.277 copies of EWS-FLI1 fusion transcripts per 105 EVs derived from CHLA-9 and CHLA-258 cells, respectively. To our knowledge, this is the first demonstration of quantitative measurement of EWS-FLI1 mRNA copy numbers in Ewing Sarcoma (EWS)-derived EVs. These results highlight the ultralow frequency of tumor-specific mRNA markers in EVs and the necessity of developing highly sensitive methods for analysis of EV mRNAs. The microfluidic digital mRNA analysis platform presented here would provide a useful tool to facilitate quantitative analysis of tumor-associated EV mRNAs for liquid biopsy-based cancer diagnosis and monitoring.
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Affiliation(s)
- Peng Zhang
- Department of Chemistry, University of Kansas, Lawrence, KS USA
| | - Jennifer Crow
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, USA
| | - Divya Lella
- Department of Chemistry, University of Kansas, Lawrence, KS USA
| | - Xin Zhou
- Department of Chemistry, University of Kansas, Lawrence, KS USA
| | - Glenson Samuel
- Division of Hematology Oncology and Bone Marrow Transplantation, Children’s Mercy Hospitals & Clinics, Kansas City, MO, USA
| | - Andrew K. Godwin
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, USA
- University of Kansas Cancer Center, Kansas City, KS, USA
| | - Yong Zeng
- Department of Chemistry, University of Kansas, Lawrence, KS USA
- University of Kansas Cancer Center, Kansas City, KS, USA
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Tao SC, Guo SC. Extracellular Vesicles: Potential Participants in Circadian Rhythm Synchronization. Int J Biol Sci 2018; 14:1610-1620. [PMID: 30416375 PMCID: PMC6216034 DOI: 10.7150/ijbs.26518] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 07/15/2018] [Indexed: 12/14/2022] Open
Abstract
The circadian rhythm (CR) is a set of autonomous endogenous oscillators. Exposure to the 24-hour day-night cycle synchronizes our CR system, maintaining homeostasis and human health. Several mechanisms for the CR system have been proposed, including those underlying the function (transcriptional-translational negative-feedback loops, or TTFLs), mechanisms regulating the TTFLs, and the mechanism by which the "server clock" is synchronized to environmental time. Several pathways downstream of the "server clock" perform well-characterized biological functions. However, the synchronization between the "server clock" (the endogenous master clock seated in the suprachiasmatic nucleus within the hypothalamus) and the "client clock" (imbedded in nearly every cell in the form of interlocking TTFLs) is difficult to explain with current theories. Extracellular vesicles (EVs), which are involved in intercellular communication and have recently been found to participate in regulation of the "client clock", might be the answer to this question. In this review, we summarize the current knowledge of CRs, TTFLs, and EVs, examine research findings about the functions of EVs in the CR system, and discuss the issues requiring attention in future research.
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Affiliation(s)
- Shi-Cong Tao
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Shang-Chun Guo
- Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
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Almiñana C, Tsikis G, Labas V, Uzbekov R, da Silveira JC, Bauersachs S, Mermillod P. Deciphering the oviductal extracellular vesicles content across the estrous cycle: implications for the gametes-oviduct interactions and the environment of the potential embryo. BMC Genomics 2018; 19:622. [PMID: 30134841 PMCID: PMC6103977 DOI: 10.1186/s12864-018-4982-5] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Accepted: 07/31/2018] [Indexed: 12/21/2022] Open
Abstract
Background The success of early reproductive events depends on an appropriate communication between gametes/embryos and the oviduct. Extracellular vesicles (EVs) contained in oviductal secretions have been suggested as new players in mediating this crucial cross-talk by transferring their cargo (proteins, mRNA and small ncRNA) from cell to cell. However, little is known about the oviductal EVs (oEVS) composition and their implications in the reproductive success. The aim of the study was to determine the oEVs content at protein, mRNA and small RNA level and to examine whether the oEVs content is under the hormonal influence of the estrous cycle. Results We identified the presence of oEVs, exosomes and microvesicles, in the bovine oviductal fluid at different stages of the estrous cycle (postovulatory-stage, early luteal phase, late luteal phase and pre-ovulatory stage) and demonstrated that their composition is under hormonal regulation. RNA-sequencing identified 903 differentially expressed transcripts (FDR < 0.001) in oEVs across the estrous cycle. Moreover, small RNA-Seq identified the presence of different types of ncRNAs (miRNAs, rRNA fragments, tRNA fragments, snRNA, snoRNA, and other ncRNAs), which were partially also under hormonal influence. Major differences were found between post-ovulatory and the rest of the stages analyzed for mRNAs. Interesting miRNAs identified in oEVs and showing differential abundance among stages, miR-34c and miR-449a, have been associated with defective cilia in the oviduct and infertility. Furthermore, functional annotation of the differentially abundant mRNAs identified functions related to exosome/vesicles, cilia expression, embryo development and many transcripts encoding ribosomal proteins. Moreover, the analysis of oEVs protein content also revealed changes across the estrous cycle. Mass spectrometry identified 336 clusters of proteins in oEVs, of which 170 were differentially abundant across the estrous cycle (p-value< 0.05, ratio < 0.5 or ratio > 2). Our data revealed proteins related to early embryo development and gamete-oviduct interactions as well as numerous ribosomal proteins. Conclusions Our study provides with the first molecular signature of oEVs across the bovine estrous cycle, revealing marked differences between post- and pre-ovulatory stages. Our findings contribute to a better understanding of the potential role of oEVs as modulators of gamete/embryo-maternal interactions and their implications for the reproductive success. Electronic supplementary material The online version of this article (10.1186/s12864-018-4982-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- C Almiñana
- Department for Farm Animals, University of Zurich, Genetics and Functional Genomics, Clinic of Reproductive Medicine, VetSuisse Faculty Zurich, Zurich, Switzerland. .,UMR85 PRC, INRA, CNRS 7247, Université de Tours, IFCE, 37380, Nouzilly, France.
| | - G Tsikis
- UMR85 PRC, INRA, CNRS 7247, Université de Tours, IFCE, 37380, Nouzilly, France
| | - V Labas
- UMR85 PRC, INRA, CNRS 7247, Université de Tours, IFCE, 37380, Nouzilly, France.,Plate-forme CIRE, Pôle d'Analyse et d'Imagerie des Biomolécules, INRA, CHRU de Tours, Université de Tours, 37380, Nouzilly, France
| | - R Uzbekov
- Laboratoire Biologie Cellulaire et Microscopie Electronique, Faculté de Médecine, Université François Rabelais, 10 boulevard Tonnellé, 37032, Tours, France.,Faculty of Bioengineering and Bioinformatics, Moscow State University, 119992, Moscow, Russia
| | - J C da Silveira
- Department of Veterinary Medicine, University of Sao Paulo, Pirassununga, Sao Paulo, Brazil
| | - S Bauersachs
- Department for Farm Animals, University of Zurich, Genetics and Functional Genomics, Clinic of Reproductive Medicine, VetSuisse Faculty Zurich, Zurich, Switzerland
| | - P Mermillod
- UMR85 PRC, INRA, CNRS 7247, Université de Tours, IFCE, 37380, Nouzilly, France
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35
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H1.0 Linker Histone as an Epigenetic Regulator of Cell Proliferation and Differentiation. Genes (Basel) 2018; 9:genes9060310. [PMID: 29925815 PMCID: PMC6027317 DOI: 10.3390/genes9060310] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 06/18/2018] [Indexed: 12/16/2022] Open
Abstract
H1 linker histones are a class of DNA-binding proteins involved in the formation of supra-nucleosomal chromatin higher order structures. Eleven non-allelic subtypes of H1 are known in mammals, seven of which are expressed in somatic cells, while four are germ cell-specific. Besides having a general structural role, H1 histones also have additional epigenetic functions related to DNA replication and repair, genome stability, and gene-specific expression regulation. Synthesis of the H1 subtypes is differentially regulated both in development and adult cells, thus suggesting that each protein has a more or less specific function. The somatic variant H1.0 is a linker histone that was recognized since long ago to be involved in cell differentiation. Moreover, it has been recently found to affect generation of epigenetic and functional intra-tumor heterogeneity. Interestingly, H1.0 or post-translational forms of it have been also found in extracellular vesicles (EVs) released from cancer cells in culture, thus suggesting that these cells may escape differentiation at least in part by discarding H1.0 through the EV route. In this review we will discuss the role of H1.0 in development, differentiation, and stem cell maintenance, also in relation with tumorigenesis, and EV production.
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Molecular Determinants of Malignant Brain Cancers: From Intracellular Alterations to Invasion Mediated by Extracellular Vesicles. Int J Mol Sci 2017; 18:ijms18122774. [PMID: 29261132 PMCID: PMC5751372 DOI: 10.3390/ijms18122774] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 11/29/2017] [Accepted: 12/19/2017] [Indexed: 12/15/2022] Open
Abstract
Malignant glioma cells invade the surrounding brain parenchyma, by migrating along the blood vessels, thus promoting cancer growth. The biological bases of these activities are grounded in profound alterations of the metabolism and the structural organization of the cells, which consequently acquire the ability to modify the surrounding microenvironment, by altering the extracellular matrix and affecting the properties of the other cells present in the brain, such as normal glial-, endothelial- and immune-cells. Most of the effects on the surrounding environment are probably exerted through the release of a variety of extracellular vesicles (EVs), which contain many different classes of molecules, from genetic material to defined species of lipids and enzymes. EV-associated molecules can be either released into the extracellular matrix (ECM) and/or transferred to neighboring cells: as a consequence, both deep modifications of the recipient cell phenotype and digestion of ECM components are obtained, thus causing cancer propagation, as well as a general brain dysfunction. In this review, we first analyze the main intracellular and extracellular transformations required for glioma cell invasion into the brain parenchyma; then we discuss how these events may be attributed, at least in part, to EVs that, like the pawns of a dramatic chess game with cancer, open the way to the tumor cells themselves.
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