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Xu X, Iqbal Z, Xu L, Wen C, Duan L, Xia J, Yang N, Zhang Y, Liang Y. Brain-derived extracellular vesicles: Potential diagnostic biomarkers for central nervous system diseases. Psychiatry Clin Neurosci 2024; 78:83-96. [PMID: 37877617 DOI: 10.1111/pcn.13610] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 10/15/2023] [Accepted: 10/22/2023] [Indexed: 10/26/2023]
Abstract
Extracellular vesicles (EVs) are membrane-enclosed nanovesicles secreted by cells into the extracellular space and contain functional biomolecules, e.g. signaling receptors, bioactive lipids, nucleic acids, and proteins, which can serve as biomarkers. Neurons and glial cells secrete EVs, contributing to various physiological and pathological aspects of brain diseases. EVs confer their role in the bidirectional crosstalk between the central nervous system (CNS) and the periphery owing to their distinctive ability to cross the unique blood-brain barrier (BBB). Thus, EVs in the blood, cerebrospinal fluid (CSF), and urine can be intriguing biomarkers, enabling the minimally invasive diagnosis of CNS diseases. Although there has been an enormous interest in evaluating EVs as promising biomarkers, the lack of ultra-sensitive approaches for isolating and detecting brain-derived EVs (BDEVs) has hindered the development of efficient biomarkers. This review presents the recent salient findings of exosomal biomarkers, focusing on brain disorders. We summarize highly sensitive sensors for EV detection and state-of-the-art methods for single EV detection. Finally, the prospect of developing advanced EV analysis approaches for the non-invasive diagnosis of brain diseases is presented.
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Affiliation(s)
- Xiao Xu
- Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
| | - Zoya Iqbal
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Limei Xu
- Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
| | - Caining Wen
- Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
| | - Li Duan
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Jiang Xia
- Department of Chemistry, The Chinese University of Hong Kong, Hong Kong, China
| | - Ningning Yang
- Lake Erie College of Osteopathic Medicine School of Pharmacy, Bradenton, Florida, USA
| | - Yuanmin Zhang
- Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
- College of Rehabilitation Medicine, Jining Medical University, Jining, China
| | - Yujie Liang
- Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
- College of Rehabilitation Medicine, Jining Medical University, Jining, China
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McCluskey G, Morrison KE, Donaghy C, Rene F, Duddy W, Duguez S. Extracellular Vesicles in Amyotrophic Lateral Sclerosis. Life (Basel) 2022; 13:life13010121. [PMID: 36676070 PMCID: PMC9867379 DOI: 10.3390/life13010121] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/27/2022] [Accepted: 12/28/2022] [Indexed: 01/04/2023]
Abstract
Amyotrophic Lateral Sclerosis is a progressive neurodegenerative disease and is the most common adult motor neuron disease. The disease pathogenesis is complex with the perturbation of multiple pathways proposed, including mitochondrial dysfunction, RNA processing, glutamate excitotoxicity, endoplasmic reticulum stress, protein homeostasis and endosomal transport/extracellular vesicle (EV) secretion. EVs are nanoscopic membrane-bound particles that are released from cells, involved in the intercellular communication of proteins, lipids and genetic material, and there is increasing evidence of their role in ALS. After discussing the biogenesis of EVs, we review their roles in the propagation of pathological proteins in ALS, such as TDP-43, SOD1 and FUS, and their contribution to disease pathology. We also discuss the ALS related genes which are involved in EV formation and vesicular trafficking, before considering the EV protein and RNA dysregulation found in ALS and how these have been investigated as potential biomarkers. Finally, we highlight the potential use of EVs as therapeutic agents in ALS, in particular EVs derived from mesenchymal stem cells and EVs as drug delivery vectors for potential treatment strategies.
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Affiliation(s)
- Gavin McCluskey
- Personalised Medicine Centre, School of Medicine, Ulster University, Derry BT47 6SB, UK
- Department of Neurology, Altnagelvin Hospital, Derry BT47 6SB, UK
- Department of Neurology, Royal Victoria Hospital, Belfast BT12 6BA, UK
- Correspondence: (G.M.); (S.D.)
| | - Karen E. Morrison
- Department of Neurology, Royal Victoria Hospital, Belfast BT12 6BA, UK
- Faculty of Medicine, Health & Life Sciences, Queen’s University, Belfast BT9 6AG, UK
| | - Colette Donaghy
- Department of Neurology, Altnagelvin Hospital, Derry BT47 6SB, UK
| | - Frederique Rene
- INSERM U1118, Centre de Recherche en Biomédecine de Strasbourg, Université de Strasbourg, 67000 Strasbourg, France
| | - William Duddy
- Personalised Medicine Centre, School of Medicine, Ulster University, Derry BT47 6SB, UK
| | - Stephanie Duguez
- Personalised Medicine Centre, School of Medicine, Ulster University, Derry BT47 6SB, UK
- Correspondence: (G.M.); (S.D.)
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Magalhães P, Lashuel HA. Opportunities and challenges of alpha-synuclein as a potential biomarker for Parkinson's disease and other synucleinopathies. NPJ Parkinsons Dis 2022; 8:93. [PMID: 35869066 DOI: 10.1038/s41531-022-00357-0] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 06/24/2022] [Indexed: 02/07/2023] Open
Abstract
Parkinson’s disease (PD), the second most common progressive neurodegenerative disease, develops and progresses for 10–15 years before the clinical diagnostic symptoms of the disease are manifested. Furthermore, several aspects of PD pathology overlap with other neurodegenerative diseases (NDDs) linked to alpha-synuclein (aSyn) aggregation, also called synucleinopathies. Therefore, there is an urgent need to discover and validate early diagnostic and prognostic markers that reflect disease pathophysiology, progression, severity, and potential differences in disease mechanisms between PD and other NDDs. The close association between aSyn and the development of pathology in synucleinopathies, along with the identification of aSyn species in biological fluids, has led to increasing interest in aSyn species as potential biomarkers for early diagnosis of PD and differentiate it from other synucleinopathies. In this review, we (1) provide an overview of the progress toward mapping the distribution of aSyn species in the brain, peripheral tissues, and biological fluids; (2) present comparative and critical analysis of previous studies that measured total aSyn as well as other species such as modified and aggregated forms of aSyn in different biological fluids; and (3) highlight conceptual and technical gaps and challenges that could hinder the development and validation of reliable aSyn biomarkers; and (4) outline a series of recommendations to address these challenges. Finally, we propose a combined biomarker approach based on integrating biochemical, aggregation and structure features of aSyn, in addition to other biomarkers of neurodegeneration. We believe that capturing the diversity of aSyn species is essential to develop robust assays and diagnostics for early detection, patient stratification, monitoring of disease progression, and differentiation between synucleinopathies. This could transform clinical trial design and implementation, accelerate the development of new therapies, and improve clinical decisions and treatment strategies.
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Abstract
Exosomes are a subset of extracellular vesicles that act as messengers to facilitate communication between cells. Non-coding RNAs, proteins, lipids, and microRNAs are delivered by the exosomes to target molecules (such as proteins, mRNAs, or DNA) of host cells, thereby playing a key role in the maintenance of normal brain function. However, exosomes are also involved in the occurrence, prognosis, and clinical treatment of brain diseases, such as Alzheimer's disease, Parkinson's disease, stroke, and traumatic brain injury. In this review, we have summarized novel findings that elucidate the role of exosomes in the occurrence, prognosis, and treatment of brain diseases.
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Affiliation(s)
- Nan Zhang
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Hengyang Medical School, Institute of Neuroscience Research, University of South China, Hengyang, China
| | - Fengling He
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Hengyang Medical School, Institute of Neuroscience Research, University of South China, Hengyang, China
| | - Ting Li
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Hengyang Medical School, Institute of Neuroscience Research, University of South China, Hengyang, China
| | - Jinzhi Chen
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Hengyang Medical School, Institute of Neuroscience Research, University of South China, Hengyang, China
| | - Liping Jiang
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Hengyang Medical School, Institute of Neuroscience Research, University of South China, Hengyang, China.,Hunan Taihe Hospital, Changsha, China
| | - Xin-Ping Ouyang
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Hengyang Medical School, Institute of Neuroscience Research, University of South China, Hengyang, China.,Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, China
| | - Lielian Zuo
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Hengyang Medical School, Institute of Neuroscience Research, University of South China, Hengyang, China
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