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Aloi N, Drago G, Ruggieri S, Cibella F, Colombo P, Longo V. Extracellular Vesicles and Immunity: At the Crossroads of Cell Communication. Int J Mol Sci 2024; 25:1205. [PMID: 38256278 PMCID: PMC10816988 DOI: 10.3390/ijms25021205] [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: 12/28/2023] [Revised: 01/15/2024] [Accepted: 01/17/2024] [Indexed: 01/24/2024] Open
Abstract
Extracellular vesicles (EVs), comprising exosomes and microvesicles, are small membranous structures secreted by nearly all cell types. They have emerged as crucial mediators in intercellular communication, playing pivotal roles in diverse physiological and pathological processes, notably within the realm of immunity. These roles go beyond mere cellular interactions, as extracellular vesicles stand as versatile and dynamic components of immune regulation, impacting both innate and adaptive immunity. Their multifaceted involvement includes immune cell activation, antigen presentation, and immunomodulation, emphasising their significance in maintaining immune homeostasis and contributing to the pathogenesis of immune-related disorders. Extracellular vesicles participate in immunomodulation by delivering a wide array of bioactive molecules, including proteins, lipids, and nucleic acids, thereby influencing gene expression in target cells. This manuscript presents a comprehensive review that encompasses in vitro and in vivo studies aimed at elucidating the mechanisms through which EVs modulate human immunity. Understanding the intricate interplay between extracellular vesicles and immunity is imperative for unveiling novel therapeutic targets and diagnostic tools applicable to various immunological disorders, including autoimmune diseases, infectious diseases, and cancer. Furthermore, recognising the potential of EVs as versatile drug delivery vehicles holds significant promise for the future of immunotherapies.
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Affiliation(s)
| | | | | | | | - Paolo Colombo
- Institute for Biomedical Research and Innovation, National Research Council of Italy (IRIB-CNR), Via Ugo La Malfa 153, 90146 Palermo, Italy; (N.A.); (G.D.); (S.R.); (F.C.); (V.L.)
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2
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Najafi S, Majidpoor J, Mortezaee K. Liquid biopsy in colorectal cancer. Clin Chim Acta 2024; 553:117674. [PMID: 38007059 DOI: 10.1016/j.cca.2023.117674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 11/16/2023] [Accepted: 11/20/2023] [Indexed: 11/27/2023]
Abstract
Liquid biopsy refers to a set of pathological samples retrieved from non-solid sources, such as blood, cerebrospinal fluid, urine, and saliva through non-invasive or minimally invasive approaches. In the recent decades, an increasing number of studies have focused on clinical applications and improving technological investigation of liquid biopsy biosources for diagnostic goals particularly in cancer. Materials extracted from these sources and used for medical evaluations include cells like circulating tumor cells (CTCs), tumor-educated platelets (TEPs), cell-free nucleic acids released by cells, such as circulating tumor DNA (ctDNA), cell-free DNA (cfDNA), cell-free RNA (cfRNA), and exosomes. Playing significant roles in the pathogenesis of human malignancies, analysis of these sources can provide easier access to genetic and transcriptomic information of the cancer tissue even better than the conventional tissue biopsy. Notably, they can represent the inter- and intra-tumoral heterogeneity and accordingly, liquid biopsies demonstrate strengths for improving diagnosis in early detection and screening, monitoring and follow-up after therapies, and personalization of therapeutical strategies in various types of human malignancies. In this review, we aim to discuss the roles, functions, and analysis approaches of liquid biopsy sources and their clinical implications in human malignancies with a focus on colorectal cancer.
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Affiliation(s)
- Sajad Najafi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jamal Majidpoor
- Department of Anatomy, School of Medicine, Infectious Diseases Research Center, Gonabad University of Medical Sciences, Gonabad, Iran
| | - Keywan Mortezaee
- Department of Anatomy, School of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran.
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3
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Najafi S, Asemani Y, Majidpoor J, Mahmoudi R, Aghaei-Zarch SM, Mortezaee K. Tumor-educated platelets. Clin Chim Acta 2024; 552:117690. [PMID: 38056548 DOI: 10.1016/j.cca.2023.117690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 11/29/2023] [Accepted: 12/02/2023] [Indexed: 12/08/2023]
Abstract
Beyond traditional roles in homeostasis and coagulation, growing evidence suggests that platelets also reflect malignant transformation in cancer. Platelets are present in the tumor microenvironment where they interact with cancer cells. This interaction results in direct and indirect "education" as evident by platelet alterations in adhesion molecules, glycoproteins, nucleic acids, proteins and various receptors. Subsequently, these tumor-educated platelets (TEPs) circulate throughout the body and play pivotal roles in promotion of tumor growth and dissemination. Accordingly, platelet status can be considered a unique blood-based biomarker that can potentially predict prognosis and therapeutic success. Recently, liquid biopsies including TEPs have received much attention as safe, minimally invasive and sensitive alternatives for patient management. Herein, we provide an overview of TEPs and explore their benefits and limitations in cancer.
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Affiliation(s)
- Sajad Najafi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Yahya Asemani
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jamal Majidpoor
- Department of Anatomy, School of Medicine, Infectious Diseases Research Center, Gonabad University of Medical Sciences, Gonabad, Iran
| | - Reza Mahmoudi
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Mohsen Aghaei-Zarch
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Keywan Mortezaee
- Department of Anatomy, School of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran.
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4
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Liu Z, Zhou J, Wu S, Chen Z, Wu S, Chen L, Zhu X, Li Z. Why Treg should be the focus of cancer immunotherapy: The latest thought. Biomed Pharmacother 2023; 168:115142. [PMID: 37806087 DOI: 10.1016/j.biopha.2023.115142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 06/26/2023] [Accepted: 07/07/2023] [Indexed: 10/10/2023] Open
Abstract
Regulatory T cells are a subgroup of T cells with immunomodulatory functions. Different from most cytotoxic T cells and helper T cells, they play a supporting role in the immune system. What's more, regulatory T cells often play an immunosuppressive role, which mainly plays a role in maintaining the stability of the immune system and regulating the immune response in the body. However, recent studies have shown that not only playing a role in autoimmune diseases, organ transplantation, and other aspects, regulatory T cells can also play a role in the immune escape of tumors in the body, through various mechanisms to help tumor cells escape from the demic immune system, weakening the anti-cancer effect in the body. For a better understanding of the role that regulatory T cells can play in cancer, and to be able to use regulatory T cells for tumor immunotherapy more quickly. This review focuses on the research progress of various mechanisms of regulatory T cells in the tumor environment, the related research of tumor cells acting on regulatory T cells, and the existing various therapeutic methods acting on regulatory T cells.
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Affiliation(s)
- Ziyu Liu
- The Marine Biomedical Research Institute, Guangdong Medical University, Zhanjiang, China
| | - Jiajun Zhou
- Kidney Department, The First Affiliated Hospital of Wannan Medical College, Wuhu, China
| | - Shihui Wu
- The Marine Biomedical Research Institute, Guangdong Medical University, Zhanjiang, China
| | - Zhihong Chen
- The Marine Biomedical Research Institute, Guangdong Medical University, Zhanjiang, China
| | - Shuhong Wu
- The Marine Biomedical Research Institute, Guangdong Medical University, Zhanjiang, China
| | - Ling Chen
- The Marine Biomedical Research Institute, Guangdong Medical University, Zhanjiang, China
| | - Xiao Zhu
- The Marine Biomedical Research Institute, Guangdong Medical University, Zhanjiang, China; Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou Medical College, Hangzhou, China.
| | - Zesong Li
- Guangdong Provincial Key Laboratory of Systems Biology and Synthetic Biology for Urogenital Tumors, Shenzhen Key Laboratory of Genitourinary Tumor, Department of Urology, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital (Shenzhen Institute of Translational Medicine), Shenzhen, China.
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5
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Rezaee D, Saadatpour F, Akbari N, Zoghi A, Najafi S, Beyranvand P, Zamani-Rarani F, Rashidi MA, Bagheri-Mohammadi S, Bakhtiari M. The role of microRNAs in the pathophysiology of human central nervous system: A focus on neurodegenerative diseases. Ageing Res Rev 2023; 92:102090. [PMID: 37832609 DOI: 10.1016/j.arr.2023.102090] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/08/2023] [Accepted: 10/09/2023] [Indexed: 10/15/2023]
Abstract
microRNAs (miRNAs) are suggested to play substantial roles in regulating the development and various physiologic functions of the central nervous system (CNS). These include neurogenesis, cell fate and differentiation, morphogenesis, formation of dendrites, and targeting non-neural mRNAs. Notably, deregulation of an increasing number of miRNAs is associated with several neurodegenerative diseases including Alzheimer's disease, Parkinson's disease, multiple sclerosis, amyotrophic lateral sclerosis and CNS tumors. They are particularly known to affect the amyloid β (Aβ) cleavage and accumulation, tau protein homeostasis, and expression of alpha-synuclein (α-syn), Parkin, PINK1, and brain-derived neurotrophic factor (BDNF) that play pivotal roles in the pathogenesis of neurodegenerative diseases. These include miR-16, miR-17-5p, miR-20a, miR-106a, miR-106b, miR-15a, miR-15b, miR-103, miR-107, miR-298, miR-328, miR-195, miR-485, and miR-29. In CNS tumors, several miRNAs, including miR-31, miR-16, and miR-21 have been identified to modulate tumorigenesis through impacting tumor invasion and apoptosis. In this review article, we have a look at the recent advances on our knowledge about the role of miRNAs in human brain development and functions, neurodegenerative diseases, and their clinical potentials.
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Affiliation(s)
- Delsuz Rezaee
- School of Allied Medical Sciences, Ilam University of Medical Sciences, Ilam, Iran
| | - Fatemeh Saadatpour
- Molecular Virology Laboratory, Department of Microbiology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Nayyereh Akbari
- Brain Mapping Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Anahita Zoghi
- Brain Mapping Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Sajad Najafi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Parisa Beyranvand
- Department of Molecular Genetics, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Fahimeh Zamani-Rarani
- Department of Anatomical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Amin Rashidi
- Student Research Committee, Department of Occupational Health and Safety, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Saeid Bagheri-Mohammadi
- Department of Physiology and Neurophysiology Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Bakhtiari
- Department of Anatomical Sciences, Behbahan Faculty of Medical Sciences, Behbahan, Iran
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Wei C, Sun Y, Zeng F, Chen X, Ma L, Liu X, Qi X, Shi W, Gao H. Exosomal miR-181d-5p Derived from Rapamycin-Conditioned MDSC Alleviated Allograft Rejection by Targeting KLF6. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2304922. [PMID: 37870185 DOI: 10.1002/advs.202304922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/18/2023] [Indexed: 10/24/2023]
Abstract
Immune rejection and side effects of long-term administration of immunosuppressants are the two major obstacles to allograft acceptance and tolerance. The immunosuppressive extracellular vesicles (EVs)-based approach has been proven to be effective in treating autoimmune/inflammatory disorders. Herein, the anti-rejection advantage of exosomes (Rapa-Exo) from rapamycin-conditioned myeloid-derived suppressor cells (MDSCs) over exosomes (Exo-Nor) from the untreated MDSCs is shown. The exosomal small RNA sequencing and loss-of-function assays reveal that the anti-rejection effect of Rapa-Exo functionally relies on miR-181d-5p. Through target prediction and double-luciferase reporter assay, Kruppel-like factor (KLF) 6 is identified as a direct target of miR-181d-5p. Finally, KLF6 knockdown markedly resolves inflammation and prolongs the survival of corneal allografts. Taken together, these findings support that Rapa-Exo executes an anti-rejection effect, highlighting the immunosuppressive EVs-based treatment as a promising approach in organ transplantation.
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Affiliation(s)
- Chao Wei
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, 266071, China
| | - Yaru Sun
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, 266071, China
| | - Fanxing Zeng
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, 266071, China
| | - Xiunian Chen
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, 266071, China
| | - Li Ma
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, 266071, China
| | - Xiaoxue Liu
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, 266071, China
| | - Xiaolin Qi
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, 266071, China
- Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), Jinan, 250117, China
- School of Ophthalmology, Shandong First Medical University & Shandong Academy of Medical Science, Jinan, 250117, China
| | - Weiyun Shi
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, 266071, China
- Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), Jinan, 250117, China
- School of Ophthalmology, Shandong First Medical University & Shandong Academy of Medical Science, Jinan, 250117, China
| | - Hua Gao
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, 266071, China
- Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), Jinan, 250117, China
- School of Ophthalmology, Shandong First Medical University & Shandong Academy of Medical Science, Jinan, 250117, China
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7
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Fattahi M, Rezaee D, Fakhari F, Najafi S, Aghaei-Zarch SM, Beyranvand P, Rashidi MA, Bagheri-Mohammadi S, Zamani-Rarani F, Bakhtiari M, Bakhtiari A, Falahi S, Kenarkoohi A, Majidpoor J, Nguyen PU. microRNA-184 in the landscape of human malignancies: a review to roles and clinical significance. Cell Death Discov 2023; 9:423. [PMID: 38001121 PMCID: PMC10673883 DOI: 10.1038/s41420-023-01718-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 11/05/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023] Open
Abstract
MicroRNAs (miRNAs) are a class of non-coding RNAs (ncRNAs) with a short length of 19-22 nucleotides. miRNAs are posttranscriptional regulators of gene expression involved in various biological processes like cell growth, apoptosis, and angiogenesis. miR-184 is a well-studied miRNA, for which most studies report its downregulation in cancer cells and tissues and experiments support its role as a tumor suppressor inhibiting malignant biological behaviors of cancer cells in vitro and in vivo. To exert its functions, miR-184 affects some signaling pathways involved in tumorigenesis like Wnt and β-catenin, and AKT/mTORC1 pathway, oncogenic factors (e.g., c-Myc) or apoptotic proteins, such as Bcl-2. Interestingly, clinical investigations have shown miR-184 with good performance as a prognostic/diagnostic biomarker for various cancers. Additionally, exogenous miR-184 in cell and xenograft animal studies suggest it as a therapeutic anticancer target. In this review, we outline the studies that evaluated the roles of miR-184 in tumorigenesis as well as its clinical significance.
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Affiliation(s)
- Mehdi Fattahi
- Institute of Research and Development, Duy Tan University, Da Nang, Vietnam
- School of Engineering & Technology, Duy Tan University, Da Nang, Vietnam
| | - Delsuz Rezaee
- School of Allied Medical Sciences, Ilam University of Medical Sciences, Ilam, Iran
| | - Fatemeh Fakhari
- Department of Toxicology and Pharmacology, School of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Sajad Najafi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
- Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Seyed Mohsen Aghaei-Zarch
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Parisa Beyranvand
- Department of Molecular Genetics, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Mohammad Amin Rashidi
- Student Research Committee, Department of Occupational Health and Safety, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Saeid Bagheri-Mohammadi
- Department of Physiology and Neurophysiology Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fahimeh Zamani-Rarani
- Department of Anatomical Sciences, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Abbas Bakhtiari
- Anatomical Sciences Department, Medical Faculty, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Shahab Falahi
- Zoonotic Diseases Research Center, Ilam University of Medical Sciences, Ilam, Iran
| | - Azra Kenarkoohi
- Zoonotic Diseases Research Center, Ilam University of Medical Sciences, Ilam, Iran
- Department of Microbiology, Faculty of Medicine, Ilam University of Medical Sciences, Ilam, Iran
| | - Jamal Majidpoor
- Department of Anatomy, Faculty of Medicine, Infectious Disease Research Center, Gonabad University of Medical Sciences, Gonabad, Iran
| | - P U Nguyen
- Institute of Research and Development, Duy Tan University, Da Nang, Vietnam
- School of Engineering & Technology, Duy Tan University, Da Nang, Vietnam
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8
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Najafi S, Majidpoor J, Mortezaee K. Extracellular vesicle-based drug delivery in cancer immunotherapy. Drug Deliv Transl Res 2023; 13:2790-2806. [PMID: 37261603 PMCID: PMC10234250 DOI: 10.1007/s13346-023-01370-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/18/2023] [Indexed: 06/02/2023]
Abstract
Extracellular vesicles (EVs) are a group of nanoscale membrane-bound organelles including exosomes, microvesicles (MVs), membrane particles, and apoptotic bodies, which are released from almost all eukaryotic cells. Owing to their ingredients, EVs can be employed as biomarkers for human diseases. Interestingly, EVs show favorable features as candidates for targeted drug delivery and thus, they are suggested as ideal drug carriers as well as good vaccines for various human diseases including cancer. Among various drugs loaded in EVs for targeted drug delivery, immune checkpoint inhibitors (ICIs), including antibodies against programmed cell death-1 (PD-1), programmed death-ligand 1 (PD-L1), and cytotoxic-T-lymphocyte-associated protein 4 (CTLA-4), have attracted an increasing attention for cancer researchers and clinicians. Animal and clinical studies have shown combination of EVs and immunotherapy antibodies to improve the efficacy and reduce possible side effects in systemic administration of ICIs. In this review, we discuss the EVs and their significance in drug delivery with a focus on cancer immunotherapy agents.
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Affiliation(s)
- Sajad Najafi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jamal Majidpoor
- Department of Anatomy, School of Medicine, Infectious Diseases Research Center, Gonabad University of Medical Sciences, Gonabad, Iran
| | - Keywan Mortezaee
- Department of Anatomy, School of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran.
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9
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Kong G, Xiong W, Li C, Xiao C, Wang S, Li W, Chen X, Wang J, Chen S, Zhang Y, Gu J, Fan J, Jin Z. Treg cells-derived exosomes promote blood-spinal cord barrier repair and motor function recovery after spinal cord injury by delivering miR-2861. J Nanobiotechnology 2023; 21:364. [PMID: 37794487 PMCID: PMC10552208 DOI: 10.1186/s12951-023-02089-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 08/29/2023] [Indexed: 10/06/2023] Open
Abstract
The blood-spinal cord barrier (BSCB) is a physical barrier between the blood and the spinal cord parenchyma. Current evidence suggests that the disruption of BSCB integrity after spinal cord injury can lead to secondary injuries such as spinal cord edema and excessive inflammatory response. Regulatory T (Treg) cells are effective anti-inflammatory cells that can inhibit neuroinflammation after spinal cord injury, and their infiltration after spinal cord injury exhibits the same temporal and spatial characteristics as the automatic repair of BSCB. However, few studies have assessed the relationship between Treg cells and spinal cord injury, emphasizing BSCB integrity. This study explored whether Treg affects the recovery of BSCB after SCI and the underlying mechanism. We confirmed that spinal cord angiogenesis and Treg cell infiltration occurred simultaneously after SCI. Furthermore, we observed significant effects on BSCB repair and motor function in mice by Treg cell knockout and overexpression. Subsequently, we demonstrated the presence and function of exosomes in vitro. In addition, we found that Treg cell-derived exosomes encapsulated miR-2861, and miR-2861 regulated the expression of vascular tight junction (TJs) proteins. The luciferase reporter assay confirmed the negative regulation of IRAK1 by miR-2861, and a series of rescue experiments validated the biological function of IRAKI in regulating BSCB. In summary, we demonstrated that Treg cell-derived exosomes could package and deliver miR-2861 and regulate the expression of IRAK1 to affect BSCB integrity and motor function after SCI in mice, which provides novel insights for functional repair and limiting inflammation after SCI.
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Affiliation(s)
- Guang Kong
- The Affiliated Jiangsu Shengze Hospital of Nanjing Medical University, Suzhou, Jiangsu, China
- Nanjing Medical University, Nanjing, Jiangsu, China
| | - Wu Xiong
- The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
- Nanjing Medical University, Nanjing, Jiangsu, China
| | - Cong Li
- The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
- Nanjing Medical University, Nanjing, Jiangsu, China
| | - Chenyu Xiao
- Nanjing Medical University, Nanjing, Jiangsu, China
- Department of human anatomy, School of Basic Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Siming Wang
- The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
- Nanjing Medical University, Nanjing, Jiangsu, China
| | - Wenbo Li
- The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
- Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xiangjun Chen
- Nanjing Medical University, Nanjing, Jiangsu, China
- Department of human anatomy, School of Basic Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Juan Wang
- Nanjing Medical University, Nanjing, Jiangsu, China
- Department of human anatomy, School of Basic Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Sheng Chen
- The Affiliated Jiangsu Shengze Hospital of Nanjing Medical University, Suzhou, Jiangsu, China
| | - Yongjie Zhang
- Nanjing Medical University, Nanjing, Jiangsu, China.
- Department of human anatomy, School of Basic Medicine, Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Jun Gu
- The Affiliated Jiangsu Shengze Hospital of Nanjing Medical University, Suzhou, Jiangsu, China.
| | - Jin Fan
- The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.
- Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Zhengshuai Jin
- The Affiliated Jiangsu Shengze Hospital of Nanjing Medical University, Suzhou, Jiangsu, China.
- The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.
- Nanjing Medical University, Nanjing, Jiangsu, China.
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10
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Fattahi M, Shahrabi S, Saadatpour F, Rezaee D, Beyglu Z, Delavari S, Amrolahi A, Ahmadi S, Bagheri-Mohammadi S, Noori E, Majidpoor J, Nouri S, Aghaei-Zarch SM, Falahi S, Najafi S, Le BN. microRNA-382 as a tumor suppressor? Roles in tumorigenesis and clinical significance. Int J Biol Macromol 2023; 250:125863. [PMID: 37467828 DOI: 10.1016/j.ijbiomac.2023.125863] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 06/30/2023] [Accepted: 07/15/2023] [Indexed: 07/21/2023]
Abstract
MicroRNAs (miRNAs) are small single-stranded RNAs belonging to a class of non-coding RNAs with an average length of 18-22 nucleotides. Although not able to encode any protein, miRNAs are vastly studied and found to play role in various human physiologic as well as pathological conditions. A huge number of miRNAs have been identified in human cells whose expression is straightly regulated with crucial biological functions, while this number is constantly increasing. miRNAs are particularly studied in cancers, where they either can act with oncogenic function (oncomiRs) or tumor-suppressors role (referred as tumor-suppressor/oncorepressor miRNAs). miR-382 is a well-studied miRNA, which is revealed to play regulatory roles in physiological processes like osteogenic differentiation, hematopoietic stem cell differentiation and normal hematopoiesis, and liver progenitor cell differentiation. Notably, miR-382 deregulation is reported in pathologic conditions, such as renal fibrosis, muscular dystrophies, Rett syndrome, epidural fibrosis, atrial fibrillation, amelogenesis imperfecta, oxidative stress, human immunodeficiency virus (HIV) replication, and various types of cancers. The majority of oncogenesis studies have claimed miR-382 downregulation in cancers and suppressor impact on malignant phenotype of cancer cells in vitro and in vivo, while a few studies suggest opposite findings. Given the putative role of this miRNA in regulation of oncogenesis, assessment of miR-382 expression is suggested in a several clinical investigations as a prognostic/diagnostic biomarker for cancer patients. In this review, we have an overview to recent studies evaluated the role of miR-382 in oncogenesis as well as its clinical potential.
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Affiliation(s)
- Mehdi Fattahi
- Institute of Research and Development, Duy Tan University, Da Nang, Vietnam; School of Engineering & Technology, Duy Tan University, Da Nang, Vietnam
| | - Saeid Shahrabi
- Department of Biochemistry and Hematology, Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Fatemeh Saadatpour
- Pharmaceutical Biotechnology Lab, Department of Microbiology, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, Tehran, Iran
| | - Delsuz Rezaee
- School of Allied Medical Sciences, Ilam University of Medical Sciences, Ilam, Iran
| | - Zahra Beyglu
- Department of Genetics, Qom Branch, Islamic Azad University, Qom, Iran
| | - Sana Delavari
- Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Anita Amrolahi
- Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Shirin Ahmadi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Saeid Bagheri-Mohammadi
- Department of Physiology and Neurophysiology Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Effat Noori
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jamal Majidpoor
- Department of Anatomy, Faculty of Medicine, Infectious Disease Research Center, Gonabad University of Medical Sciences, Gonabad, Iran
| | - Shadi Nouri
- Department of Radiology, School of Medicine, Arak University of Medical Sciences, Arak, Iran.
| | - Seyed Mohsen Aghaei-Zarch
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Shahab Falahi
- Zoonotic Diseases Research Center, Ilam University of Medical Sciences, Ilam, Iran.
| | - Sajad Najafi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Binh Nguyen Le
- Institute of Research and Development, Duy Tan University, Da Nang, Vietnam; School of Engineering & Technology, Duy Tan University, Da Nang, Vietnam
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11
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Saari H, Pusa R, Marttila H, Yliperttula M, Laitinen S. Development of tandem cation exchange chromatography for high purity extracellular vesicle isolation: The effect of ligand steric availability. J Chromatogr A 2023; 1707:464293. [PMID: 37579702 DOI: 10.1016/j.chroma.2023.464293] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 08/07/2023] [Accepted: 08/08/2023] [Indexed: 08/16/2023]
Abstract
Purification of extracellular vesicles for research and therapeutic applications requires updated methodology to address the limitations of traditional ultracentrifugation and other size-based separation techniques. Their downfalls include induced extracellular vesicle aggregation, low yields, poor scalability and one-dimensionality of the separation process, as the size or sedimentation speed of extracellular vesicles is often the only selection criterion. Ion exchange chromatography is a promising alternative or supplementary method candidate, as it offers a different approach for extracellular vesicle separation, which is surface charge. For now, mostly anion exchange chromatography has been evaluated for extracellular vesicle purification, as it successfully relies on the strongly negative surface charge of extracellular vesicles. However, as extracellular vesicles are very complex in their structure, also cation exchange chromatography could be applicable, due to individual cationic domains on the extracellular vesicle surface. Here, we compare anion exchange chromatography to different types of cation exchange chromatography for the purification of platelet extracellular vesicle samples also containing plasma-derived impurities. We found that the choice of resin structure used for cation exchange chromatography is critical for binding platelet extracellular vesicles, as a conventional-type cation exchanger was found to only capture and elute less than 20% of extracellular vesicles. With the tentacle-type resin, it was possible to obtain comparable platelet extracellular vesicle yields (over 90%) with cation exchange chromatography compared to anion exchange chromatography, as well as superior purity, especially when it was combined to conventional cation exchange resin.
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Affiliation(s)
- Heikki Saari
- Finnish Red Cross Blood Service. Härkälenkki 13, 01730 Vantaa, Finland.
| | - Reetta Pusa
- Finnish Red Cross Blood Service. Härkälenkki 13, 01730 Vantaa, Finland
| | - Heli Marttila
- Molecular and Integrative Biosciences Research Programme, Biological and Environmental Sciences, University of Helsinki, Viikinkaari 9, 00790 Helsinki, Finland
| | - Marjo Yliperttula
- Drug Research Program, Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, Viikinkaari 5, 00790 Helsinki, Finland
| | - Saara Laitinen
- Finnish Red Cross Blood Service. Härkälenkki 13, 01730 Vantaa, Finland
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12
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Pordel S, Khorrami M, Saadatpour F, Rezaee D, Cho WC, Jahani S, Aghaei-Zarch SM, Hashemi E, Najafi S. The role of microRNA-185 in the pathogenesis of human diseases: A focus on cancer. Pathol Res Pract 2023; 249:154729. [PMID: 37639952 DOI: 10.1016/j.prp.2023.154729] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 07/29/2023] [Indexed: 08/31/2023]
Abstract
MicroRNAs (miRNAs) are a widely-studied class of non-coding RNAs characterized by their short length (18-25 nucleotides). The precise functions of miRNAs are not well-elucidated; however, an increasing number of studies suggest their involvement in various physiologic processes and deregulation in pathologic conditions. miRNA-185 (miR-185) is among the mostly-studied miRNAs in human diseases, which is found to play putative roles in conditions like metabolic disorders, asthma, frailty, schizophrenia, and hepatitis. Notably, many cancer studies report the downregulation of miR-185 in cell lines, tumor tissues, and plasma specimens of patients, while it demonstrates a suppressing role on the malignant properties of cancer cells in vitro and in vivo. Accordingly, miR-185 can be considered a tumor suppressor miRNA in human malignancies, while a few studies also report inconsistent findings. Being suggested as a prognostic/diagnostic biomarker, mi-185 is also found to offer clinical potentials, particularly for early diagnosis and prediction of the prognosis of cancer patients. In this review, we have outlined the studies that have evaluated the functions and clinical significance of miR-185 in different human diseases with a particular focus on cancer.
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Affiliation(s)
- Safoora Pordel
- Department of Immunology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Immunology and Allergy, The Persian Gulf Tropical Medicine Research Center, The Persian Gulf Biomedical Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Motahare Khorrami
- Immunology Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Fatemeh Saadatpour
- Pharmaceutical Biotechnology Lab, Department of Microbiology, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, Tehran, Iran
| | - Delsuz Rezaee
- School of Allied Medical Sciences, Ilam University of Medical Sciences, Ilam, Iran
| | - William C Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, 30 Gascoigne Road, Hong Kong, China
| | | | - Seyed Mohsen Aghaei-Zarch
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Elham Hashemi
- Department of Anatomical Sciences, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Sajad Najafi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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13
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Moon S, Hong J, Go S, Kim BS. Immunomodulation for Tissue Repair and Regeneration. Tissue Eng Regen Med 2023; 20:389-409. [PMID: 36920675 PMCID: PMC10219918 DOI: 10.1007/s13770-023-00525-0] [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: 10/20/2022] [Revised: 01/11/2023] [Accepted: 01/26/2023] [Indexed: 03/16/2023] Open
Abstract
Various immune cells participate in repair and regeneration following tissue injury or damage, orchestrating tissue inflammation and regeneration processes. A deeper understanding of the immune system's involvement in tissue repair and regeneration is critical for the development of successful reparatory and regenerative strategies. Here we review recent technologies that facilitate cell-based and biomaterial-based modulation of the immune systems for tissue repair and regeneration. First, we summarize the roles of various types of immune cells in tissue repair. Second, we review the principle, examples, and limitations of regulatory T (Treg) cell-based therapy, a representative cell-based immunotherapy. Finally, we discuss biomaterial-based immunotherapy strategies that aim to modulate immune cells using various biomaterials for tissue repair and regeneration.
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Affiliation(s)
- Sangjun Moon
- School of Chemical and Biological Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jihye Hong
- Interdisciplinary Program for Bioengineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Seokhyeong Go
- Interdisciplinary Program for Bioengineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Byung-Soo Kim
- School of Chemical and Biological Engineering, Seoul National University, Seoul, 08826, Republic of Korea.
- Interdisciplinary Program for Bioengineering, Seoul National University, Seoul, 08826, Republic of Korea.
- Institute of Chemical Processes, Institute of Engineering Research, BioMAX, Seoul National University, Seoul, 08826, Republic of Korea.
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14
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Dutta A, Bhagat S, Paul S, Katz JP, Sengupta D, Bhargava D. Neutrophils in Cancer and Potential Therapeutic Strategies Using Neutrophil-Derived Exosomes. Vaccines (Basel) 2023; 11:1028. [PMID: 37376417 PMCID: PMC10301170 DOI: 10.3390/vaccines11061028] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 05/19/2023] [Accepted: 05/23/2023] [Indexed: 06/29/2023] Open
Abstract
Neutrophils are the most abundant immune cells and make up about 70% of white blood cells in human blood and play a critical role as the first line of defense in the innate immune response. They also help regulate the inflammatory environment to promote tissue repair. However, in cancer, neutrophils can be manipulated by tumors to either promote or hinder tumor growth depending on the cytokine pool. Studies have shown that tumor-bearing mice have increased levels of neutrophils in peripheral circulation and that neutrophil-derived exosomes can deliver various cargos, including lncRNA and miRNA, which contribute to tumor growth and degradation of extracellular matrix. Exosomes derived from immune cells generally possess anti-tumor activities and induce tumor-cell apoptosis by delivering cytotoxic proteins, ROS generation, H2O2 or activation of Fas-mediated apoptosis in target cells. Engineered exosome-like nanovesicles have been developed to deliver chemotherapeutic drugs precisely to tumor cells. However, tumor-derived exosomes can aggravate cancer-associated thrombosis through the formation of neutrophil extracellular traps. Despite the advancements in neutrophil-related research, a detailed understanding of tumor-neutrophil crosstalk is still lacking and remains a major barrier in developing neutrophil-based or targeted therapy. This review will focus on the communication pathways between tumors and neutrophils, and the role of neutrophil-derived exosomes (NDEs) in tumor growth. Additionally, potential strategies to manipulate NDEs for therapeutic purposes will be discussed.
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Affiliation(s)
- Abhishek Dutta
- Exsure, Kalinga Institute of Industrial Technology, KIIT Rd, Patia, Bhubaneswar 751024, Odisha, India
| | - Shrikrishna Bhagat
- Exsure, Kalinga Institute of Industrial Technology, KIIT Rd, Patia, Bhubaneswar 751024, Odisha, India
| | - Swastika Paul
- Exsure, Kalinga Institute of Industrial Technology, KIIT Rd, Patia, Bhubaneswar 751024, Odisha, India
| | - Jonathan P. Katz
- Department of Gastroenterology, 928 BRB II/III, 421 Curie Blvd, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Debomita Sengupta
- Department of Environmental Carcinogenesis & Toxicology, Chittaranjan National Cancer Institute (under Ministry of Health and Family Welfare, Government of India Regional Cancer Centre), 37, S.P. Mukherjee Road, Kolkata 700026, West Bengal, India
| | - Dharmendra Bhargava
- Department of Gastroenterology, 928 BRB II/III, 421 Curie Blvd, University of Pennsylvania, Philadelphia, PA 19104, USA
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15
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Huang X, Wang H, Wang C, Cao Z. The Applications and Potentials of Extracellular Vesicles from Different Cell Sources in Periodontal Regeneration. Int J Mol Sci 2023; 24:ijms24065790. [PMID: 36982864 PMCID: PMC10058679 DOI: 10.3390/ijms24065790] [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: 02/18/2023] [Revised: 03/08/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
Periodontitis is a chronic infectious disease worldwide that can cause damage to periodontal supporting tissues including gingiva, bone, cementum and periodontal ligament (PDL). The principle for the treatment of periodontitis is to control the inflammatory process. Achieving structural and functional regeneration of periodontal tissues is also essential and remains a major challenge. Though many technologies, products, and ingredients were applied in periodontal regeneration, most of the strategies have limited outcomes. Extracellular vesicles (EVs) are membranous particles with a lipid structure secreted by cells, containing a large number of biomolecules for the communication between cells. Numerous studies have demonstrated the beneficial effects of stem cell-derived EVs (SCEVs) and immune cell-derived EVs (ICEVs) on periodontal regeneration, which may be an alternative strategy for cell-based periodontal regeneration. The production of EVs is highly conserved among humans, bacteria and plants. In addition to eukaryocyte-derived EVs (CEVs), a growing body of literature suggests that bacterial/plant-derived EVs (BEVs/PEVs) also play an important role in periodontal homeostasis and regeneration. The purpose of this review is to introduce and summarize the potential therapeutic values of BEVs, CEVs and PEVs in periodontal regeneration, and discuss the current challenges and prospects for EV-based periodontal regeneration.
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Affiliation(s)
- Xin Huang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Huiyi Wang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Chuan Wang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China
- Department of Periodontology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Zhengguo Cao
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China
- Department of Periodontology, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China
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16
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Xiong W, Li C, Kong G, Zeng Q, Wang S, Yin G, Gu J, Fan J. Treg cell-derived exosomes miR-709 attenuates microglia pyroptosis and promotes motor function recovery after spinal cord injury. J Nanobiotechnology 2022; 20:529. [PMID: 36514078 PMCID: PMC9745961 DOI: 10.1186/s12951-022-01724-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Accepted: 11/26/2022] [Indexed: 12/15/2022] Open
Abstract
Neuroinflammation is an important cause of poor prognosis in patients with spinal cord injury. pyroptosis is a new type of inflammatory cell death. Treg cells has been shown to play an anti-inflammatory role in a variety of inflammatory diseases, including inflammatory bowel disease, amyotrophic lateral sclerosis, and arthritis. However, little is known about Treg cells' potential role in pyroptosis following spinal cord injury. The aim of this research was to look into the effect of Treg cells to motor function recovery, pyroptosis and the mechanism behind it after SCI. Here, we found that pyroptosis mainly occurred in microglia on the seventh day after spinal cord injury. Konckout Treg cells resulted in widely pyroptosis and poor motor recovery after SCI. In conversely, over-infiltration of Treg cell in mice by tail vein injection had beneficial effects following SCI.Treg cell-derived exosomes promote functional recovery by inhibiting microglia pyroptosis in vivo. Bioinformatic analysis revealed that miRNA-709 was significantly enriched in Treg cells and Treg cell-secreted exosomes. NKAP has been identified as a miRNA-709 target gene. Moreover, experiments confirmed that Treg cells targeted the NKAP via exosomal miR-709 to reduce microglia pyroptosis and promote motor function recovery after SCI. More importantly, The miR-709 overexpressed exosomes we constructed significantly reduced the inflammatory response and improved motor recovery after spinal cord injury. In brief, our findings indicate a possible mechanism for communication between Treg cells and microglia, which opens up a new perspective for alleviating neuroinflammation after SCI.
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Affiliation(s)
- Wu Xiong
- grid.412676.00000 0004 1799 0784The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu China ,grid.89957.3a0000 0000 9255 8984Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu China
| | - Cong Li
- grid.412676.00000 0004 1799 0784The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu China ,grid.89957.3a0000 0000 9255 8984Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu China
| | - Guang Kong
- grid.89957.3a0000 0000 9255 8984Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu China
| | - Qiang Zeng
- grid.89957.3a0000 0000 9255 8984Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu China
| | - Siming Wang
- grid.412676.00000 0004 1799 0784The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu China ,grid.89957.3a0000 0000 9255 8984Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu China
| | - Guoyong Yin
- grid.412676.00000 0004 1799 0784The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu China
| | - Jun Gu
- Department of Orthopedics, Xishan People’s Hospital, Wuxi, 214000 China
| | - Jin Fan
- grid.412676.00000 0004 1799 0784The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu China ,grid.89957.3a0000 0000 9255 8984Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu China
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17
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Matsuzaka Y, Yashiro R. Advances in Purification, Modification, and Application of Extracellular Vesicles for Novel Clinical Treatments. MEMBRANES 2022; 12:membranes12121244. [PMID: 36557150 PMCID: PMC9787595 DOI: 10.3390/membranes12121244] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 11/30/2022] [Accepted: 12/06/2022] [Indexed: 06/01/2023]
Abstract
Extracellular vesicles (EV) are membrane vesicles surrounded by a lipid bilayer membrane and include microvesicles, apoptotic bodies, exosomes, and exomeres. Exosome-encapsulated microRNAs (miRNAs) released from cancer cells are involved in the proliferation and metastasis of tumor cells via angiogenesis. On the other hand, mesenchymal stem cell (MSC) therapy, which is being employed in regenerative medicine owing to the ability of MSCs to differentiate into various cells, is due to humoral factors, including messenger RNA (mRNA), miRNAs, proteins, and lipids, which are encapsulated in exosomes derived from transplanted cells. New treatments that advocate cell-free therapy using MSC-derived exosomes will significantly improve clinical practice. Therefore, using highly purified exosomes that perform their original functions is desirable. In this review, we summarized advances in the purification, modification, and application of EVs as novel strategies to treat some diseases.
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Affiliation(s)
- Yasunari Matsuzaka
- Division of Molecular and Medical Genetics, Center for Gene and Cell Therapy, The Institute of Medical Science, University of Tokyo, Minato-ku, Tokyo 108-8639, Japan
- Administrative Section of Radiation Protection, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo 187-0031, Japan
| | - Ryu Yashiro
- Administrative Section of Radiation Protection, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo 187-0031, Japan
- Department of Infectious Diseases, Kyorin University School of Medicine, 6-20-2 Shinkawa, Mitaka-shi, Tokyo 181-0004, Japan
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18
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Najafi S. The emerging roles and potential applications of circular RNAs in ovarian cancer: a comprehensive review. J Cancer Res Clin Oncol 2022; 149:2211-2234. [PMID: 36053324 DOI: 10.1007/s00432-022-04328-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 08/24/2022] [Indexed: 12/25/2022]
Abstract
Ovarian cancer (OC) is among the most common human malignancies and the first cause of deaths among gynecologic cancers. Early diagnosis can help improving prognosis in those patients, and accordingly exploring novel molecular mechanisms may lead to find therapeutic targets. Circular RNAs (circRNAs) comprise a group of non-coding RNAs in multicellular organisms, which are identified with characteristic circular structure. CircRNAs have been found with substantial functions in regulating gene expression through interacting with RNA-binding proteins, targeting microRNAs, and transcriptional regulation. They have been found to be involved in regulating several critical processes such as cell growth, and death, organ development, signal transduction, and tumorigenesis. Accordingly, circRNAs have been implicated in a number of human diseases including malignancies. They are particularly reported to contribute to several hallmarks of cancer leading to cancer development and progression, although a number also are described with tumor-suppressor function. In OC, circRNAs are linked to regulation of cell growth, invasiveness, metastasis, angiogenesis, and chemoresistance. Notably, clinical studies also have shown potentials in diagnosis, prediction of prognosis, and therapeutic targets for OC. In this review, I have an overview to the putative mechanisms, and functions of circRNAs in regulating OC pathogenesis in addition to their clinical potentials.
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Affiliation(s)
- Sajad Najafi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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