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Ghaemmaghami AB, Mahjoubin-Tehran M, Movahedpour A, Morshedi K, Sheida A, Taghavi SP, Mirzaei H, Hamblin MR. Role of exosomes in malignant glioma: microRNAs and proteins in pathogenesis and diagnosis. Cell Commun Signal 2020; 18:120. [PMID: 32746854 PMCID: PMC7397575 DOI: 10.1186/s12964-020-00623-9] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 07/02/2020] [Indexed: 02/07/2023] Open
Abstract
Malignant gliomas are the most common and deadly type of central nervous system tumors. Despite some advances in treatment, the mean survival time remains only about 1.25 years. Even after surgery, radiotherapy and chemotherapy, gliomas still have a poor prognosis. Exosomes are the most common type of extracellular vesicles with a size range of 30 to 100 nm, and can act as carriers of proteins, RNAs, and other bioactive molecules. Exosomes play a key role in tumorigenesis and resistance to chemotherapy or radiation. Recent evidence has shown that exosomal microRNAs (miRNAs) can be detected in the extracellular microenvironment, and can also be transferred from cell to cell via exosome secretion and uptake. Therefore, many recent studies have focused on exosomal miRNAs as important cellular regulators in various physiological and pathological conditions. A variety of exosomal miRNAs have been implicated in the initiation and progression of gliomas, by activating and/or inhibiting different signaling pathways. Exosomal miRNAs could be used as therapeutic agents to modulate different biological processes in gliomas. Exosomal miRNAs derived from mesenchymal stem cells could also be used for glioma treatment. The present review summarizes the exosomal miRNAs that have been implicated in the pathogenesis, diagnosis and treatment of gliomas. Moreover, exosomal proteins could also be involved in glioma pathogenesis. Exosomal miRNAs and proteins could also serve as non-invasive biomarkers for prognosis and disease monitoring. Video Abstract.
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Affiliation(s)
- Amir B. Ghaemmaghami
- grid.17063.330000 0001 2157 2938Department of Psychology, Behaviour, Genetics and Neurobiology Program, University of Toronto, Toronto, Canada
| | - Maryam Mahjoubin-Tehran
- grid.411583.a0000 0001 2198 6209Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran ,grid.411583.a0000 0001 2198 6209Department of Medical Biotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ahmad Movahedpour
- grid.412571.40000 0000 8819 4698Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran ,grid.412571.40000 0000 8819 4698Student research committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Korosh Morshedi
- grid.444768.d0000 0004 0612 1049School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Amirhossein Sheida
- grid.444768.d0000 0004 0612 1049School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Seyed Pouya Taghavi
- grid.444768.d0000 0004 0612 1049School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Hamed Mirzaei
- grid.444768.d0000 0004 0612 1049Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Michael R. Hamblin
- grid.38142.3c000000041936754XWellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, USA ,grid.412988.e0000 0001 0109 131XLaser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, Johannesburg, 2028 South Africa
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Hamilton N, Claudio NM, Armstrong RJ, Pucci F. Cell Surface Labeling by Engineered Extracellular Vesicles. ACTA ACUST UNITED AC 2020; 4:e2000007. [PMID: 32390342 DOI: 10.1002/adbi.202000007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 04/07/2020] [Accepted: 04/14/2020] [Indexed: 01/02/2023]
Abstract
Extracellular vesicles (EVs) can mediate local and long-range intercellular communication via cell surface signaling. In order to perform in vivo studies of unmanipulated, endogenously released EVs, sensitive but stringent approaches able to detect EV-cell surface interactions are needed. However, isolation and reinfusion of EVs can introduce biases. A rigorous way to study EVs in vivo is by genetically engineering membrane-bound reporters into parental cells. Still, the amount of reporter molecules that EVs can carry is relatively small, and thus, the sensitivity of the approach is suboptimal. This work addresses this issue by engineering EVs to display a membrane-bound form of Sortase A (SrtA), a bacterial transpeptidase that can catalyze the transfer of reporter molecules on the much bigger surface of EV-binding cells. SrtA design and reaction requirements are optimized and validated. Efficient in vitro labeling of EV-binding cells is achieved, even in the presence of only one N-terminal glycine on cell surface proteins. As compared to indirect labeling of EV-binding cells (e.g., using CD63-GFP fusion), the SrtA-based approach shows 1-2 log increase in sensitivity, depending on the EV source. This novel approach will be useful to identify and study the full set of host cells interacting with native EVs in vivo.
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Affiliation(s)
- Nicklas Hamilton
- Department of Otolaryngology-Head and Neck Surgery, Oregon Health and Science University, Portland, OR, USA
| | - Natalie M Claudio
- Department of Otolaryngology-Head and Neck Surgery, Oregon Health and Science University, Portland, OR, USA.,Department of Cell, Developmental & Cancer Biology, Oregon Health and Science University, Portland, OR, USA
| | - Randall J Armstrong
- Knight Cancer Institute, Oregon Health and Science University, Portland, OR, USA.,Department of Cancer Early Detection Advanced Research (CEDAR), Oregon Health and Science University, Portland, OR, USA
| | - Ferdinando Pucci
- Department of Otolaryngology-Head and Neck Surgery, Oregon Health and Science University, Portland, OR, USA.,Department of Cell, Developmental & Cancer Biology, Oregon Health and Science University, Portland, OR, USA.,Knight Cancer Institute, Oregon Health and Science University, Portland, OR, USA
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Cui J, Liu N, Chang Z, Gao Y, Bao M, Xie Y, Xu W, Liu X, Jiang S, Liu Y, Shi R, Xie W, Jia X, Shi J, Ren C, Gong K, Zhang C, Bade R, Shao G, Ji X. Exosomal MicroRNA-126 from RIPC Serum Is Involved in Hypoxia Tolerance in SH-SY5Y Cells by Downregulating DNMT3B. MOLECULAR THERAPY-NUCLEIC ACIDS 2020; 20:649-660. [PMID: 32380415 PMCID: PMC7210387 DOI: 10.1016/j.omtn.2020.04.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 04/18/2020] [Accepted: 04/22/2020] [Indexed: 12/13/2022]
Abstract
Ischemic tolerance in the brain can be induced by transient limb ischemia, and this phenomenon is termed remote ischemic preconditioning (RIPC). It still remains elusive how this transfer of tolerance occurs. Exosomes can cross the blood-brain barrier, and some molecules may transfer neuroprotective signals from the periphery to the brain. Serum miRNA-126 is associated with ischemic stroke, and exosomal miRNA-126 has shown protective effects against acute myocardial infarction. Therefore, this study aims to explore whether exosomal miRNA-126 from RIPC serum can play a similar neuroprotective role. Exosomes were isolated from the venous serum of four healthy young male subjects, both before and after RIPC. Exosomal miRNA-126 was measured by real-time PCR. The miRNA-126 target sequence was predicted by bioinformatics software. SH-SY5Y neuronal cells were incubated with exosomes, and the cell cycle was analyzed by flow cytometry. The expression and activity of DNA methyltransferase (DNMT) 3B, a potential target gene of miRNA-126, were examined in SH-SY5Y cells. The cell viability of SH-SY5Y cells exposed to oxygen-glucose deprivation (OGD) was also investigated. To confirm the association between miRNA-126 and DNMT3B, we overexpressed miRNA-126 in SH-SY5Y cells using lentiviral transfection. miRNA-126 expression was upregulated in RIPC exosomes, and bioinformatics prediction showed that miRNA-126 could bind with DNMT3B. DNMT levels and DNMT3B activity were downregulated in SH-SY5Y cells incubated with RIPC exosomes. After overexpression of miRNA-126 in SH-SY5Y cells, global methylation levels and DNMT3B gene expression were downregulated in these cells, consistent with the bioinformatics predictions. RIPC exosomes can affect the cell cycle and increase OGD tolerance in SH-SY5Y cells. RIPC seems to have neuroprotective effects by downregulating the expression of DNMTs in neural cells through the upregulation of serum exosomal miRNA-126.
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Affiliation(s)
- Junhe Cui
- Inner Mongolia Key Laboratory of Hypoxic Translational Medicine, Baotou Medical College, Inner Mongolia, PRC; Biomedicine Research Center, Basic Medical College and Baotou Medical College of the Neuroscience Institute, Baotou Medical College, Inner Mongolia, PRC; Beijing Key Laboratory of Hypoxic Conditioning Translational Medicine, Xuanwu Hospital, Capital Medical University, Beijing, PRC
| | - Na Liu
- Inner Mongolia Key Laboratory of Hypoxic Translational Medicine, Baotou Medical College, Inner Mongolia, PRC; Biomedicine Research Center, Basic Medical College and Baotou Medical College of the Neuroscience Institute, Baotou Medical College, Inner Mongolia, PRC; Beijing Key Laboratory of Hypoxic Conditioning Translational Medicine, Xuanwu Hospital, Capital Medical University, Beijing, PRC
| | - Zhehan Chang
- Inner Mongolia Key Laboratory of Hypoxic Translational Medicine, Baotou Medical College, Inner Mongolia, PRC; Biomedicine Research Center, Basic Medical College and Baotou Medical College of the Neuroscience Institute, Baotou Medical College, Inner Mongolia, PRC; Beijing Key Laboratory of Hypoxic Conditioning Translational Medicine, Xuanwu Hospital, Capital Medical University, Beijing, PRC
| | - Yongsheng Gao
- Inner Mongolia Key Laboratory of Hypoxic Translational Medicine, Baotou Medical College, Inner Mongolia, PRC; Biomedicine Research Center, Basic Medical College and Baotou Medical College of the Neuroscience Institute, Baotou Medical College, Inner Mongolia, PRC
| | - Mulan Bao
- Inner Mongolia Key Laboratory of Hypoxic Translational Medicine, Baotou Medical College, Inner Mongolia, PRC; Biomedicine Research Center, Basic Medical College and Baotou Medical College of the Neuroscience Institute, Baotou Medical College, Inner Mongolia, PRC
| | - Yabin Xie
- Inner Mongolia Key Laboratory of Hypoxic Translational Medicine, Baotou Medical College, Inner Mongolia, PRC; Biomedicine Research Center, Basic Medical College and Baotou Medical College of the Neuroscience Institute, Baotou Medical College, Inner Mongolia, PRC; Beijing Key Laboratory of Hypoxic Conditioning Translational Medicine, Xuanwu Hospital, Capital Medical University, Beijing, PRC
| | - Wenqiang Xu
- Inner Mongolia Key Laboratory of Hypoxic Translational Medicine, Baotou Medical College, Inner Mongolia, PRC; Biomedicine Research Center, Basic Medical College and Baotou Medical College of the Neuroscience Institute, Baotou Medical College, Inner Mongolia, PRC
| | - Xiaolei Liu
- Inner Mongolia Key Laboratory of Hypoxic Translational Medicine, Baotou Medical College, Inner Mongolia, PRC; Biomedicine Research Center, Basic Medical College and Baotou Medical College of the Neuroscience Institute, Baotou Medical College, Inner Mongolia, PRC
| | - Shuyuan Jiang
- Inner Mongolia Key Laboratory of Hypoxic Translational Medicine, Baotou Medical College, Inner Mongolia, PRC; Biomedicine Research Center, Basic Medical College and Baotou Medical College of the Neuroscience Institute, Baotou Medical College, Inner Mongolia, PRC
| | - You Liu
- Inner Mongolia Key Laboratory of Hypoxic Translational Medicine, Baotou Medical College, Inner Mongolia, PRC; Biomedicine Research Center, Basic Medical College and Baotou Medical College of the Neuroscience Institute, Baotou Medical College, Inner Mongolia, PRC
| | - Rui Shi
- Inner Mongolia Key Laboratory of Hypoxic Translational Medicine, Baotou Medical College, Inner Mongolia, PRC; Biomedicine Research Center, Basic Medical College and Baotou Medical College of the Neuroscience Institute, Baotou Medical College, Inner Mongolia, PRC
| | - Wei Xie
- Inner Mongolia Key Laboratory of Hypoxic Translational Medicine, Baotou Medical College, Inner Mongolia, PRC; Biomedicine Research Center, Basic Medical College and Baotou Medical College of the Neuroscience Institute, Baotou Medical College, Inner Mongolia, PRC
| | - Xiaoe Jia
- Inner Mongolia Key Laboratory of Hypoxic Translational Medicine, Baotou Medical College, Inner Mongolia, PRC; Biomedicine Research Center, Basic Medical College and Baotou Medical College of the Neuroscience Institute, Baotou Medical College, Inner Mongolia, PRC
| | - Jinghua Shi
- Inner Mongolia Key Laboratory of Hypoxic Translational Medicine, Baotou Medical College, Inner Mongolia, PRC; Biomedicine Research Center, Basic Medical College and Baotou Medical College of the Neuroscience Institute, Baotou Medical College, Inner Mongolia, PRC; Beijing Key Laboratory of Hypoxic Conditioning Translational Medicine, Xuanwu Hospital, Capital Medical University, Beijing, PRC
| | - Changhong Ren
- Beijing Key Laboratory of Hypoxic Conditioning Translational Medicine, Xuanwu Hospital, Capital Medical University, Beijing, PRC
| | - Kerui Gong
- Department of Oral and Maxillofacial Surgery, University of California San Francisco, San Francisco, CA, USA
| | - Chunyang Zhang
- Department of Neurosurgery, The First Affiliated Hospital of Baotou Medical College, Inner Mongolia, China
| | - Rengui Bade
- Inner Mongolia Key Laboratory of Hypoxic Translational Medicine, Baotou Medical College, Inner Mongolia, PRC; Biomedicine Research Center, Basic Medical College and Baotou Medical College of the Neuroscience Institute, Baotou Medical College, Inner Mongolia, PRC.
| | - Guo Shao
- Inner Mongolia Key Laboratory of Hypoxic Translational Medicine, Baotou Medical College, Inner Mongolia, PRC; Biomedicine Research Center, Basic Medical College and Baotou Medical College of the Neuroscience Institute, Baotou Medical College, Inner Mongolia, PRC; Beijing Key Laboratory of Hypoxic Conditioning Translational Medicine, Xuanwu Hospital, Capital Medical University, Beijing, PRC; Department of Neurosurgery, The First Affiliated Hospital of Baotou Medical College, Inner Mongolia, China.
| | - Xunming Ji
- Beijing Key Laboratory of Hypoxic Conditioning Translational Medicine, Xuanwu Hospital, Capital Medical University, Beijing, PRC.
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