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Zhang R, Lei X, Ren J, Zhang C. The roles of extracellular vesicle-derived microRNAs in schizophrenia: A scoping review. Schizophr Res 2024; 270:162-164. [PMID: 38909487 DOI: 10.1016/j.schres.2024.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 04/02/2024] [Accepted: 04/08/2024] [Indexed: 06/25/2024]
Affiliation(s)
- Rong Zhang
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoxia Lei
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Juanjuan Ren
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chen Zhang
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Li K, Zhu L, Lv H, Bai Y, Guo C, He K. The Role of microRNA in Schizophrenia: A Scoping Review. Int J Mol Sci 2024; 25:7673. [PMID: 39062916 PMCID: PMC11277492 DOI: 10.3390/ijms25147673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 07/09/2024] [Accepted: 07/10/2024] [Indexed: 07/28/2024] Open
Abstract
Schizophrenia is a serious mental disease that is regulated by multiple genes and influenced by multiple factors. Due to the complexity of its etiology, the pathogenesis is still unclear. MicroRNAs belong to a class of small non-coding RNAs that are highly conserved in endogenous evolution and play critical roles in multiple biological pathways. In recent years, aberrant miRNA expression has been implicated in schizophrenia, with certain miRNAs emerging as potential diagnostic and prognostic biomarkers for this disorder. In this review, our objective is to investigate the differential expression of miRNAs in schizophrenia, elucidate their potential mechanisms of action, and assess their feasibility as biomarkers. The PubMed electronic database and Google Scholar were searched for the years 2003 to 2024. The study focused on schizophrenia and miRNA as the research topic, encompassing articles related to biomarkers, etiology, action mechanisms, and differentially expressed genes associated with schizophrenia and miRNA. A total of 1488 articles were retrieved, out of which 49 were included in this scope review. This study reviewed 49 articles and identified abnormal expression of miRNA in different tissues of both schizophrenia patients and healthy controls, suggesting its potential role in the pathogenesis and progression of schizophrenia. Notably, several specific miRNAs, including miR-34a, miR-130b, miR-193-3p, miR-675-3p, miR-1262, and miR-218-5p, may serve as promising biological markers for diagnosing schizophrenia. Furthermore, this study summarized potential mechanisms through which miRNAs may contribute to the development of schizophrenia. The studies within the field of miRNA's role in schizophrenia encompass a broad spectrum of focus. Several selected studies have identified dysregulated miRNAs associated with schizophrenia across various tissues, thereby highlighting the potential utility of specific miRNAs as diagnostic biomarkers for this disorder. Various mechanisms underlying dysregulated miRNAs in schizophrenia have been explored; however, further investigations are needed to determine the exact mechanisms by which these dysregulated miRNAs contribute to the pathogenesis of this condition. The exploration of miRNA's involvement in the etiology and identification of biomarkers for schizophrenia holds significant promise in informing future clinical trials and advancing our understanding in this area.
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Affiliation(s)
| | | | | | | | | | - Kuanjun He
- College of Life Sciences and Food Engineering, Inner Mongolia Minzu University, Tongliao 028000, China; (K.L.); (L.Z.); (H.L.); (Y.B.); (C.G.)
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Desmeules C, Corbeil O, Huot-Lavoie M, Béchard L, Brodeur S, Demers MF, Roy MA, Deslauriers J. Psychotic Disorders and exosomes: An overview of current evidence and future directions. Psychiatry Res 2024; 339:116066. [PMID: 38996632 DOI: 10.1016/j.psychres.2024.116066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 06/01/2024] [Accepted: 06/27/2024] [Indexed: 07/14/2024]
Abstract
Due to its reliance on heterogeneous symptomatology, the accurate diagnosis of psychotic disorders remains a challenging task in clinical practice. Precise and early diagnosis of psychotic disorders facilitates early intervention, which has been shown to have substantial benefits for long-term outcomes. Still, the lack of specific biomarkers is an important limitation in early diagnosis and intervention. Exosomes, which act as messengers between cells, including brain cells, contain a vast array of molecules that hold promise for unveiling disorder-specific abnormalities. In this review, we discuss recent evidence highlighting the potential of circulating exosomes and brain-derived exosomes as valuable tools for the identification of accessible, non-invasive, and blood-based biomarkers of psychotic symptomatology and risk. We discuss current limitations in biomarker discovery studies focusing on exosomes. To enhance diagnosis specificity and treatment response, we also provide guidance for future investigations that need to target biomarkers of risk and relapse, as well as consider duration of untreated psychosis, biological sex, and other factors in the multifactorial biosignature of psychosis.
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Affiliation(s)
- Charles Desmeules
- Centre Hospitalier Universitaire (CHU) de Québec-Université Laval Research Centre, Québec, QC G1V 4G2, Canada; CERVO Brain Research Centre, Québec, QC G1E 1T2, Canada; Faculty of Medicine, Université Laval, Québec, QC G1V 0A6, Canada
| | - Olivier Corbeil
- CERVO Brain Research Centre, Québec, QC G1E 1T2, Canada; Faculty of Pharmacy, Université Laval, Québec, QC G1V 0A6, Canada; CIUSSS-CN, Quebec Mental Health University Institute, Québec, QC G1J 2G3, Canada
| | - Maxime Huot-Lavoie
- CERVO Brain Research Centre, Québec, QC G1E 1T2, Canada; Faculty of Medicine, Université Laval, Québec, QC G1V 0A6, Canada
| | - Laurent Béchard
- CERVO Brain Research Centre, Québec, QC G1E 1T2, Canada; Faculty of Pharmacy, Université Laval, Québec, QC G1V 0A6, Canada; CIUSSS-CN, Quebec Mental Health University Institute, Québec, QC G1J 2G3, Canada
| | - Sébastien Brodeur
- CERVO Brain Research Centre, Québec, QC G1E 1T2, Canada; CIUSSS-CN, Quebec Mental Health University Institute, Québec, QC G1J 2G3, Canada
| | - Marie-France Demers
- CERVO Brain Research Centre, Québec, QC G1E 1T2, Canada; Faculty of Pharmacy, Université Laval, Québec, QC G1V 0A6, Canada; CIUSSS-CN, Quebec Mental Health University Institute, Québec, QC G1J 2G3, Canada
| | - Marc-André Roy
- CERVO Brain Research Centre, Québec, QC G1E 1T2, Canada; Faculty of Medicine, Université Laval, Québec, QC G1V 0A6, Canada; CIUSSS-CN, Quebec Mental Health University Institute, Québec, QC G1J 2G3, Canada
| | - Jessica Deslauriers
- Centre Hospitalier Universitaire (CHU) de Québec-Université Laval Research Centre, Québec, QC G1V 4G2, Canada; Faculty of Pharmacy, Université Laval, Québec, QC G1V 0A6, Canada.
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Hewitt K, Huang XF. Comment on 'Impact of clozapine on the expression of miR-675-3p in plasma exosomes derived from patients with schizophrenia'. World J Biol Psychiatry 2024; 25:281-282. [PMID: 38693660 DOI: 10.1080/15622975.2024.2349065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 04/25/2024] [Indexed: 05/03/2024]
Affiliation(s)
- Kyle Hewitt
- School of Medical, Indigenous and Health Sciences University of Wollongong, Wollongong, Australia
| | - Xu-Feng Huang
- School of Medical, Indigenous and Health Sciences University of Wollongong, Wollongong, Australia
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Li H, Yuan Y, Xie Q, Dong Z. Exosomes: potential targets for the diagnosis and treatment of neuropsychiatric disorders. J Transl Med 2024; 22:115. [PMID: 38287384 PMCID: PMC10826005 DOI: 10.1186/s12967-024-04893-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 01/14/2024] [Indexed: 01/31/2024] Open
Abstract
The field of neuropsychiatry is considered a middle ground between neurological and psychiatric disorders, thereby bridging the conventional boundaries between matter and mind, consciousness, and function. Neuropsychiatry aims to evaluate and treat cognitive, behavioral, and emotional disorders in individuals with neurological conditions. However, the pathophysiology of these disorders is not yet fully understood, and objective biological indicators for these conditions are currently lacking. Treatment options are also limited due to the blood-brain barrier, which results in poor treatment effects. Additionally, many drugs, particularly antipsychotic drugs, have adverse reactions, which make them difficult to tolerate for patients. As a result, patients often abandon treatment owing to these adverse reactions. Since the discovery of exosomes in 1983, they have been extensively studied in various diseases owing to their potential as nanocellulators for information exchange between cells. Because exosomes can freely travel between the center and periphery, brain-derived exosomes can reflect the state of the brain, which has considerable advantages in diagnosis and treatment. In addition, administration of engineered exosomes can improve therapeutic efficacy, allow lesion targeting, ensure drug stability, and prevent systemic adverse effects. Therefore, this article reviews the source and biological function of exosomes, relationship between exosomes and the blood-brain barrier, relationship between exosomes and the pathological mechanism of neuropsychiatric disorders, exosomes in the diagnosis and treatment of neuropsychiatric disorders, and application of engineered exosomes in neuropsychiatric disorders.
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Affiliation(s)
- Haorao Li
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, 610041, People's Republic of China
| | - Yanling Yuan
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, 610041, People's Republic of China
| | - Qinglian Xie
- Department of Outpatient, West China Hospital, Sichuan University, Chengdu, 610041, People's Republic of China.
| | - Zaiquan Dong
- Department of Psychiatry and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, People's Republic of China.
- Mental Health Center, West China Hospital, Sichuan University, Chengdu, 610041, People's Republic of China.
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Dey A. Structural Modifications and Novel Protein-Binding Sites in Pre-miR-675-Explaining Its Regulatory Mechanism in Carcinogenesis. Noncoding RNA 2023; 9:45. [PMID: 37624037 PMCID: PMC10457854 DOI: 10.3390/ncrna9040045] [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: 06/24/2023] [Revised: 08/03/2023] [Accepted: 08/08/2023] [Indexed: 08/26/2023] Open
Abstract
Pre-miR-675 is a microRNA expressed from the exon 1 of H19 long noncoding RNA, and the atypical expression of pre-miR-675 has been linked with several diseases and disorders including cancer. To execute its function inside the cell, pre-miR-675 is folded into a particular conformation, which aids in its interaction with several other biological molecules. However, the exact folding dynamics of pre-miR-675 and its protein-binding motifs are currently unknown. Moreover, how H19 lncRNA and pre-miR-675 crosstalk and modulate each other's activities is also unclear. The detailed structural analysis of pre-miR-675 in this study determines its earlier unknown conformation and identifies novel protein-binding sites on pre-miR-675, thus making it an excellent therapeutic target against cancer. Co-folding analysis between H19 lncRNA and pre-miR-675 determine structural transformations in pre-miR-675, thus describing the earlier unknown mechanism of interaction between these two molecules. Comprehensively, this study details the conformation of pre-miR-675 and its protein-binding sites and explains its relationship with H19 lncRNA, which can be interpreted to understand the role of pre-miR-675 in the development and progression of tumorigenesis and designing new therapeutics against cancers.
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Affiliation(s)
- Abhishek Dey
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER-R)-Raebareli, Lucknow 226002, India
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Kurtulmuş A, Koçana CÇ, Toprak SF, Sözer S. The role of Extracellular Genomic Materials (EGMs) in psychiatric disorders. Transl Psychiatry 2023; 13:262. [PMID: 37464177 PMCID: PMC10354097 DOI: 10.1038/s41398-023-02549-5] [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: 10/04/2022] [Revised: 06/26/2023] [Accepted: 06/27/2023] [Indexed: 07/20/2023] Open
Abstract
Extracellular Genomic Materials (EGMs) are the nucleic acids secreted or released from all types of cells by endogenous or exogenous stimuli through varying mechanisms into the extracellular region and inevitably to all biological fluids. EGMs could be found as free, protein-bound, and/ or with vesicles. EGMs can potentially have immunophenotypic and/or genotypic characteristics of a cell of origin, travel to distant organs, and interact with the new microenvironment. To achieve all, EGMs might bi-directionally transit through varying membranes, including the blood-brain barrier. Such ability provides the transfer of any information related to the pathophysiological changes in psychiatric disorders in the brain to the other distant organ systems or vice versa. In this article, many aspects of EGMs have been elegantly reviewed, including their potential in diagnosis as biomarkers, application in treatment modalities, and functional effects in the pathophysiology of psychiatric disorders. The psychiatric disorders were studied under subgroups of Schizophrenia spectrum disorders, bipolar disorder, depressive disorders, and an autism spectrum disorders. EGMs provide a robust and promising tool in clinics for prognosis and diagnosis. The successful application of EGMs into treatment modalities might further provide encouraging outcomes for researchers and clinicians in psychiatric disorders.
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Affiliation(s)
- Ayşe Kurtulmuş
- Department of Genetics, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
- Institute of Health Sciences, Istanbul University, Istanbul, Turkey
- Istanbul Göztepe Prof.Dr.Süleyman Yalçın City Hospital, Department of Psychiatry, Istanbul, Turkey
| | - Cemal Çağıl Koçana
- Department of Genetics, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
- Institute of Health Sciences, Istanbul University, Istanbul, Turkey
| | - Selin Fulya Toprak
- Department of Genetics, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
- Institute of Health Sciences, Istanbul University, Istanbul, Turkey
| | - Selçuk Sözer
- Department of Genetics, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey.
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Si Q, Wu L, Pang D, Jiang P. Exosomes in brain diseases: Pathogenesis and therapeutic targets. MedComm (Beijing) 2023; 4:e287. [PMID: 37313330 PMCID: PMC10258444 DOI: 10.1002/mco2.287] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 04/28/2023] [Accepted: 05/08/2023] [Indexed: 06/15/2023] Open
Abstract
Exosomes are extracellular vesicles with diameters of about 100 nm that are naturally secreted by cells into body fluids. They are derived from endosomes and are wrapped in lipid membranes. Exosomes are involved in intracellular metabolism and intercellular communication. They contain nucleic acids, proteins, lipids, and metabolites from the cell microenvironment and cytoplasm. The contents of exosomes can reflect their cells' origin and allow the observation of tissue changes and cell states under disease conditions. Naturally derived exosomes have specific biomolecules that act as the "fingerprint" of the parent cells, and the contents changed under pathological conditions can be used as biomarkers for disease diagnosis. Exosomes have low immunogenicity, are small in size, and can cross the blood-brain barrier. These characteristics make exosomes unique as engineering carriers. They can incorporate therapeutic drugs and achieve targeted drug delivery. Exosomes as carriers for targeted disease therapy are still in their infancy, but exosome engineering provides a new perspective for cell-free disease therapy. This review discussed exosomes and their relationship with the occurrence and treatment of some neuropsychiatric diseases. In addition, future applications of exosomes in the diagnosis and treatment of neuropsychiatric disorders were evaluated in this review.
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Affiliation(s)
- Qingying Si
- Department of EndocrinologyTengzhou Central People's HospitalTengzhouChina
| | - Linlin Wu
- Department of OncologyTengzhou Central People's HospitalTengzhouChina
| | - Deshui Pang
- Department of EndocrinologyTengzhou Central People's HospitalTengzhouChina
| | - Pei Jiang
- Translational Pharmaceutical LaboratoryJining First People's HospitalShandong First Medical UniversityJiningChina
- Institute of Translational PharmacyJining Medical Research AcademyJiningChina
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Treatment-Resistant Schizophrenia, Clozapine Resistance, Genetic Associations, and Implications for Precision Psychiatry: A Scoping Review. Genes (Basel) 2023; 14:genes14030689. [PMID: 36980961 PMCID: PMC10048540 DOI: 10.3390/genes14030689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/03/2023] [Accepted: 03/08/2023] [Indexed: 03/14/2023] Open
Abstract
Treatment-resistant schizophrenia (TRS) is often associated with severe burden of disease, poor quality of life and functional impairment. Clozapine is the gold standard for the treatment of TRS, although it is also known to cause significant side effects in some patients. In view of the burgeoning interest in the role of genetic factors in precision psychiatry, we conducted a scoping review to narratively summarize the current genetic factors associated with TRS, clozapine resistance and side effects to clozapine treatment. We searched PubMed from inception to December 2022 and included 104 relevant studies in this review. Extant evidence comprised associations between TRS and clozapine resistance with genetic factors related to mainly dopaminergic and serotoninergic neurotransmitter systems, specifically, TRS and rs4680, rs4818 within COMT, and rs1799978 within DRD2; clozapine resistance and DRD3 polymorphisms, CYP1A2 polymorphisms; weight gain with LEP and SNAP-25 genes; and agranulocytosis risk with HLA-related polymorphisms. Future studies, including replication in larger multi-site samples, are still needed to elucidate putative risk genes and the interactions between different genes and their correlations with relevant clinical factors such as psychopathology, psychosocial functioning, cognition and progressive changes with treatment over time in TRS and clozapine resistance.
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