51
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Hu M, Li J, Liu CG, Goh RMWJ, Yu F, Ma Z, Wang L. Noncoding RNAs of Extracellular Vesicles in Tumor Angiogenesis: From Biological Functions to Clinical Significance. Cells 2022; 11:cells11060947. [PMID: 35326397 PMCID: PMC8946542 DOI: 10.3390/cells11060947] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/06/2022] [Accepted: 03/08/2022] [Indexed: 12/17/2022] Open
Abstract
Extracellular vesicles (EVs) act as multifunctional regulators of intercellular communication and are involved in diverse tumor phenotypes, including tumor angiogenesis, which is a highly regulated multi-step process for the formation of new blood vessels that contribute to tumor proliferation. EVs induce malignant transformation of distinct cells by transferring DNAs, proteins, lipids, and RNAs, including noncoding RNAs (ncRNAs). However, the functional relevance of EV-derived ncRNAs in tumor angiogenesis remains to be elucidated. In this review, we summarized current research progress on the biological functions and underlying mechanisms of EV-derived ncRNAs in tumor angiogenesis in various cancers. In addition, we comprehensively discussed the potential applications of EV-derived ncRNAs as cancer biomarkers and novel therapeutic targets to tailor anti-angiogenic therapy.
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Affiliation(s)
- Miao Hu
- School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou 434023, China; (M.H.); (C.-G.L.)
| | - Juan Li
- Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan 250012, China;
| | - Chen-Guang Liu
- School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou 434023, China; (M.H.); (C.-G.L.)
| | | | - Fenggang Yu
- Institute of Life Science, Yinfeng Biological Group, Jinan 250000, China;
| | - Zhaowu Ma
- School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou 434023, China; (M.H.); (C.-G.L.)
- Correspondence: (Z.M.); (L.W.); Tel.: +86-15972188216 (Z.M.); +65-65168925 (L.W.)
| | - Lingzhi Wang
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore
- Cancer Science Institute of Singapore, National University of Singapore, Singapore 117599, Singapore
- NUS Centre for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117599, Singapore
- Correspondence: (Z.M.); (L.W.); Tel.: +86-15972188216 (Z.M.); +65-65168925 (L.W.)
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52
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Yang K, Zhou Q, Qiao B, Shao B, Hu S, Wang G, Yuan W, Sun Z. Exosome-derived noncoding RNAs: Function, mechanism, and application in tumor angiogenesis. MOLECULAR THERAPY. NUCLEIC ACIDS 2022; 27:983-997. [PMID: 35317280 PMCID: PMC8905256 DOI: 10.1016/j.omtn.2022.01.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Exosomes are extracellular vesicles released by various cell types that perform various biological functions, mainly mediating communication between different cells, especially those active in cancer. Noncoding RNAs (ncRNAs), of which there are many types, were recently identified as enriched and stable in the exocrine region and play various roles in the occurrence and progression of cancer. Abnormal angiogenesis has been confirmed to be related to human cancer. An increasing number of studies have shown that exosome-derived ncRNAs play an important role in tumor angiogenesis. In this review, we briefly outline the characteristics of exosomes, ncRNAs, and tumor angiogenesis. Then, the mechanism of the impact of exosome-derived ncRNAs on tumor angiogenesis is analyzed from various angles. In addition, we focus on the regulatory role of exosome-derived ncRNAs in angiogenesis in different types of cancer. Furthermore, we emphasize the potential role of exosome-derived ncRNAs as biomarkers in cancer diagnosis and prognosis and therapeutic targets in the treatment of tumors.
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Affiliation(s)
- Kangkang Yang
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Quanbo Zhou
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Bingbing Qiao
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Bo Shao
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China.,Academy of Medical Sciences, Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Shengyun Hu
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Guixian Wang
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Weitang Yuan
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Zhenqiang Sun
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China.,Academy of Medical Sciences, Zhengzhou University, Zhengzhou 450052, Henan, China
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53
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Peng L, Wang D, Han Y, Huang T, He X, Wang J, Ou C. Emerging Role of Cancer-Associated Fibroblasts-Derived Exosomes in Tumorigenesis. Front Immunol 2022; 12:795372. [PMID: 35058933 PMCID: PMC8764452 DOI: 10.3389/fimmu.2021.795372] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 12/13/2021] [Indexed: 12/12/2022] Open
Abstract
Cancer-associated fibroblasts (CAFs) are the most important component of the stromal cell population in the tumor microenvironment and play an irreplaceable role in oncogenesis and cancer progression. Exosomes, a class of small extracellular vesicles, can transfer biological information (e.g., proteins, nucleic acids, and metabolites as messengers) from secreting cells to target recipient cells, thereby affecting the progression of human diseases, including cancers. Recent studies revealed that CAF-derived exosomes play a crucial part in tumorigenesis, tumor cell proliferation, metastasis, drug resistance, and the immune response. Moreover, aberrant expression of CAF-derived exosomal noncoding RNAs and proteins strongly correlates with clinical pathological characterizations of cancer patients. Gaining deeper insight into the participation of CAF-derived exosomes in tumorigenesis may lead to novel diagnostic biomarkers and therapeutic targets in human cancers.
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Affiliation(s)
- Lushan Peng
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
| | - Dan Wang
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
| | - Yingying Han
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
| | - Tao Huang
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiaoyun He
- Department of Ultrasound Imaging, Xiangya Hospital, Central South University, Changsha, China
| | - Junpu Wang
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China.,Department of Pathology, School of Basic Medicine, Central South University, Changsha, China.,Key Laboratory of Hunan Province in Neurodegenerative Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Chunlin Ou
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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54
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Jahan S, Mukherjee S, Ali S, Bhardwaj U, Choudhary RK, Balakrishnan S, Naseem A, Mir SA, Banawas S, Alaidarous M, Alyenbaawi H, Iqbal D, Siddiqui AJ. Pioneer Role of Extracellular Vesicles as Modulators of Cancer Initiation in Progression, Drug Therapy, and Vaccine Prospects. Cells 2022; 11:490. [PMID: 35159299 PMCID: PMC8833976 DOI: 10.3390/cells11030490] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/25/2022] [Accepted: 01/28/2022] [Indexed: 02/06/2023] Open
Abstract
Cancer is one of the leading diseases, causing deaths worldwide. Nearly 10 million deaths were reported in 2020 due to cancer alone. Several factors are involved in cancer progressions, such as lifestyle and genetic characteristics. According to a recent report, extracellular vesicles (EVs) are involved in cancer initiation, progression, and therapy failure. EVs can play a major role in intracellular communication, the maintenance of tissue homeostasis, and pathogenesis in several types of diseases. In a healthy person, EVs carry different cargoes, such as miRNA, lncRNA etc., to help other body functions. On the other hand, the same EV in a tumor microenvironment carries cargoes such as miRNA, lncRNA, etc., to initiate or help cancer progression at various stages. These stages may include the proliferation of cells and escape from apoptosis, angiogenesis, cell invasion, and metastasis, reprogramming energy metabolism, evasion of the immune response, and transfer of mutations. Tumor-derived EVs manipulate by altering normal functions of the body and affect the epigenetics of normal cells by limiting the genetic makeup through transferring mutations, histone modifications, etc. Tumor-derived EVs also pose therapy resistance through transferring drug efflux pumps and posing multiple drug resistances. Such EVs can also help as biomarkers for different cancer types and stages, which ultimately help with cancer diagnosis at early stages. In this review, we will shed light on EVs' role in performing normal functions of the body and their position in different hallmarks of cancer, in altering the genetics of a normal cell in a tumor microenvironment, and their role in therapy resistance, as well as the importance of EVs as diagnostic tools.
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Affiliation(s)
- Sadaf Jahan
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al-Majmaah 11952, Saudi Arabia
| | - Shouvik Mukherjee
- Department of Biotechnology, School of Chemical and Life Sciences, Jamia Hamdard, Hamdard Nagar, New Delhi 110062, India
| | - Shaheen Ali
- Department of Biotechnology, School of Chemical and Life Sciences, Jamia Hamdard, Hamdard Nagar, New Delhi 110062, India
| | - Urvashi Bhardwaj
- Department of Biotechnology, School of Chemical and Life Sciences, Jamia Hamdard, Hamdard Nagar, New Delhi 110062, India
| | - Ranjay Kumar Choudhary
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al-Majmaah 11952, Saudi Arabia
| | - Santhanaraj Balakrishnan
- Medical Equipment Technology, College of Applied Medical Sciences, Majmaah University, Al-Majmaah 11952, Saudi Arabia
| | - Asma Naseem
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al-Majmaah 11952, Saudi Arabia
| | - Shabir Ahmad Mir
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al-Majmaah 11952, Saudi Arabia
| | - Saeed Banawas
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al-Majmaah 11952, Saudi Arabia
- Department of Biomedical Sciences, Oregon State University, Corvallis, OR 97331, USA
| | - Mohammed Alaidarous
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al-Majmaah 11952, Saudi Arabia
| | - Hadeel Alyenbaawi
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al-Majmaah 11952, Saudi Arabia
| | - Danish Iqbal
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al-Majmaah 11952, Saudi Arabia
| | - Arif Jamal Siddiqui
- Department of Biology, College of Science, University of Hail, Hail 81451, Saudi Arabia
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55
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He G, Peng X, Wei S, Yang S, Li X, Huang M, Tang S, Jin H, Liu J, Zhang S, Zheng H, Fan Q, Liu J, Yang L, Li H. Exosomes in the hypoxic TME: from release, uptake and biofunctions to clinical applications. Mol Cancer 2022; 21:19. [PMID: 35039054 PMCID: PMC8762953 DOI: 10.1186/s12943-021-01440-5] [Citation(s) in RCA: 68] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 10/02/2021] [Indexed: 02/06/2023] Open
Abstract
Hypoxia is a remarkable trait of the tumor microenvironment (TME). When facing selective pressure, tumor cells show various adaptive characteristics, such as changes in the expression of cancer hallmarks (increased proliferation, suppressed apoptosis, immune evasion, and so on) and more frequent cell communication. Because of the adaptation of cancer cells to hypoxia, exploring the association between cell communication mediators and hypoxia has become increasingly important. Exosomes are important information carriers in cell-to-cell communication. Abundant evidence has proven that hypoxia effects in the TME are mediated by exosomes, with the occasional formation of feedback loops. In this review, we equally focus on the biogenesis and heterogeneity of cancer-derived exosomes and their functions under hypoxia and describe the known and potential mechanism ascribed to exosomes and hypoxia. Notably, we call attention to the size change of hypoxic cancer cell-derived exosomes, a characteristic long neglected, and propose some possible effects of this size change. Finally, jointly considering recent developments in the understanding of exosomes and tumors, we describe noteworthy problems in this field that urgently need to be solved for better research and clinical application.
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Affiliation(s)
- Guangpeng He
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Xueqiang Peng
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Shibo Wei
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Shuo Yang
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Xinyu Li
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Mingyao Huang
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Shilei Tang
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Hongyuan Jin
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Jiaxing Liu
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Sheng Zhang
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Hongyu Zheng
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Qing Fan
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Jingang Liu
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China
| | - Liang Yang
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China.
| | - Hangyu Li
- Department of General Surgery, The Fourth Affiliated Hospital, China Medical University, Shenyang, 110032, China.
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56
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Yang ZJ, Bi QC, Gan LJ, Zhang LL, Wei MJ, Hong T, Liu R, Qiu CL, Han XJ, Jiang LP. Exosomes Derived from Glioma Cells under Hypoxia Promote Angiogenesis through Up-regulated Exosomal Connexin 43. Int J Med Sci 2022; 19:1205-1215. [PMID: 35919821 PMCID: PMC9339413 DOI: 10.7150/ijms.71912] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 06/18/2022] [Indexed: 12/04/2022] Open
Abstract
Glioblastoma multiform (GBM) is a highly aggressive primary brain tumor. Exosomes derived from glioma cells under a hypoxic microenvironment play an important role in tumor biology including metastasis, angiogenesis and chemoresistance. However, the underlying mechanisms remain to be elucidated. In this study, we aimed to explore the role of connexin 43 on exosomal uptake and angiogenesis in glioma under hypoxia. U251 cells were exposed to 3% oxygen to achieve hypoxia, and the expression levels of HIF-1α and Cx43, involved in the colony formation and proliferation of cells were assessed. Exosomes were isolated by differential velocity centrifugation from U251 cells under normoxia and hypoxia (Nor-Exos and Hypo-Exos), respectively. Immunofluorescence staining, along with assays for CCK-8, tube formation and wound healing along with a transwell assay were conducted to profile exosomal uptake, proliferation, tube formation, migration and invasion of HUVECs, respectively. Our results revealed that Hypoxia significantly up-regulated the expression of HIF-1α in U251 cells as well as promoting proliferation and colony number. Hypoxia also increased the level of Cx43 in U251 cells and in the exosomes secreted. The uptake of Dio-stained Hypo-Exos by HUVECs was greater than that of Nor-Exos, and inhibition of Cx43 by 37,43gap27 or lenti-Cx43-shRNA efficiently prevented the uptake of Hypo-Exos by recipient endothelial cells. In addition, the proliferation and total loops of HUVECs were remarkably increased at 24 h, 48 h, and 10 h after Hypo-Exos, respectively. Notably, 37,43gap27, a specific Cx-mimetic peptide blocker of Cx37 and Cx43, efficiently alleviated Hypo-Exos-induced proliferation and tube formation by HUVECs. Finally, 37,43gap27 also significantly attenuated Hypo-Exos-induced migration and invasion of HUVECs. These findings demonstrate that exosomal Cx43 contributes to glioma angiogenesis mediated by Hypo-Exos, and suggests that exosomal Cx43 might serve as a potential therapeutic target for glioblastoma.
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Affiliation(s)
- Zhang-Jian Yang
- Jiangxi Provincial Key Laboratory of Drug Targets and Drug Screening, School of Pharmaceutical Science, Nanchang University, Nanchang 330006, China
| | - Qiu-Chen Bi
- Jiangxi Provincial Key Laboratory of Drug Targets and Drug Screening, School of Pharmaceutical Science, Nanchang University, Nanchang 330006, China
| | - Li-Jun Gan
- Jiangxi Provincial Key Laboratory of Drug Targets and Drug Screening, School of Pharmaceutical Science, Nanchang University, Nanchang 330006, China
| | - Le-Ling Zhang
- Jiangxi Provincial Key Laboratory of Drug Targets and Drug Screening, School of Pharmaceutical Science, Nanchang University, Nanchang 330006, China
| | - Min-Jun Wei
- Department of Neurosurgery, First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Tao Hong
- Department of Neurosurgery, First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Rong Liu
- Jiangxi Provincial Key Laboratory of Drug Targets and Drug Screening, School of Pharmaceutical Science, Nanchang University, Nanchang 330006, China
| | - Cheng-Lin Qiu
- Jiangxi Provincial Key Laboratory of Drug Targets and Drug Screening, School of Pharmaceutical Science, Nanchang University, Nanchang 330006, China
| | - Xiao-Jian Han
- Institute of Geriatrics, Jiangxi provincial People's Hospital, First Affiliated Hospital of Nanchang Medical College, Nanchang, 330006, China.,Department of Neurology, Jiangxi provincial People's Hospital, First Affiliated Hospital of Nanchang Medical College, Nanchang, 330006, China
| | - Li-Ping Jiang
- Jiangxi Provincial Key Laboratory of Drug Targets and Drug Screening, School of Pharmaceutical Science, Nanchang University, Nanchang 330006, China
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57
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Fang X, Cai Y, Xu Y, Zhang H. Exosome-mediated lncRNA SNHG11 regulates angiogenesis in pancreatic carcinoma through miR-324-3p/VEGFA axis. Cell Biol Int 2022; 46:106-117. [PMID: 34519129 DOI: 10.1002/cbin.11703] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 08/27/2021] [Accepted: 09/12/2021] [Indexed: 12/25/2022]
Abstract
Pancreatic carcinoma (PC) is one of the most common and deadly human malignancies worldwide. LncRNAs play significant roles in the occurrence and development of various cancers. LncRNA SNHG11 (SNHG11) has been found to display high expression in serum of PC patients, which implies that dysregulated SNHG11 may be related to the development of PC. However, there is still a knowledge gap concerning the specific function and molecular mechanism of SNHG11 in PC. After conducting experiments with constructed models in vitro or in vivo, we found that exosomal SNHG11 promoted cell proliferation, migration, and angiogenesis but impeded cell apoptosis in PC in vitro, and additionally, it facilitated tumor growth in vivo. Exosome-mediated SNHG11 regulated the expression of VEGFA through sponging miR-324-3p. Rescue assays validated that the inhibitory effect of SNHG11 depletion on cell proliferation, migration, and angiogenesis could be reversed by miR-324-3p downregulation or VEGFA upregulation, and the promoting effect of SNHG11 silence on cell apoptosis could be rescued by transfection of miR-324-3p inhibitor or pcDNA3.1-VEGFA. To conclude, exosomal-mediated SNHG11 could regulate PC progression via miR-324-3p/VEGFA axis. Our findings may provide a novel insight for understanding PC, which might contribute to the development of potential PC biomarker.
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Affiliation(s)
- Xingbao Fang
- Department of Hepatopancreatobiliary Surgery, The First People's Hospital of Qujing, Qujing, Yunnan, China
| | - Yan Cai
- Department of Pathophysiology, Qujing Medical College, Qujing, Yunnan, China
| | - Yongping Xu
- Department of Hepatopancreatobiliary Surgery, The First People's Hospital of Qujing, Qujing, Yunnan, China
| | - Hong Zhang
- Department of Hepatopancreatobiliary Surgery, The First People's Hospital of Qujing, Qujing, Yunnan, China
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58
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Huang M, Lei Y, Zhong Y, Chung C, Wang M, Hu M, Deng L. New Insights Into the Regulatory Roles of Extracellular Vesicles in Tumor Angiogenesis and Their Clinical Implications. Front Cell Dev Biol 2021; 9:791882. [PMID: 34966744 PMCID: PMC8710745 DOI: 10.3389/fcell.2021.791882] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Accepted: 11/26/2021] [Indexed: 12/23/2022] Open
Abstract
Angiogenesis is required for tumor growth and development. Extracellular vesicles (EVs) are important signaling entities that mediate communication between diverse types of cells and regulate various cell biological processes, including angiogenesis. Recently, emerging evidence has suggested that tumor-derived EVs play essential roles in tumor progression by regulating angiogenesis. Thousands of molecules are carried by EVs, and the two major types of biomolecules, noncoding RNAs (ncRNAs) and proteins, are transported between cells and regulate physiological and pathological functions in recipient cells. Understanding the regulation of EVs and their cargoes in tumor angiogenesis has become increasingly important. In this review, we summarize the effects of tumor-derived EVs and their cargoes, especially ncRNAs and proteins, on tumor angiogenesis and their mechanisms, and we highlight the clinical implications of EVs in bodily fluids as biomarkers and as diagnostic, prognostic, and therapeutic targets in cancer patients.
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Affiliation(s)
- Maohua Huang
- Formula Pattern Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, China.,College of Pharmacy, Jinan University, Guangzhou, China
| | - Yuhe Lei
- Shenzhen Hospital of Guangzhou University of Chinese Medicine, Shenzhen, China
| | - Yinqin Zhong
- Shenzhen Hospital of Guangzhou University of Chinese Medicine, Shenzhen, China
| | - Chiwing Chung
- Formula Pattern Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Mei Wang
- Formula Pattern Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Min Hu
- Department of Hepatobiliary Surgery, Jinan University First Affiliated Hospital, Guangzhou, China
| | - Lijuan Deng
- Formula Pattern Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
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59
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Van der Mude A. A proposed Information-Based modality for the treatment of cancer. Biosystems 2021; 211:104587. [PMID: 34915101 DOI: 10.1016/j.biosystems.2021.104587] [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: 06/13/2021] [Revised: 11/20/2021] [Accepted: 12/01/2021] [Indexed: 11/02/2022]
Abstract
Treatment modalities for cancer involve physical manipulations such as surgery, immunology, radiation, chemotherapy or gene editing. This is a proposal for an information-based modality. This modality does not change the internal state of the cancer cell directly - instead, the cancer cell is manipulated by giving it information to instruct the cell to perform an action. This modality is based on a theory of Structure Encoding in DNA, where information about body part structure controls the epigenetic state of cells in the process of development from pluripotent cells to fully differentiated cells. It has been noted that cancer is often due to errors in morphogenetic differentiation accompanied by associated epigenetic processes. This implies a model of cancer called the Epigenetic Differentiation Model. A major feature of the Structure Encoding Theory is that the characteristics of the differentiated cell are affected by inter-cellular information passed in the tissue microenvironment, which specifies the exact location of a cell in a body part structure. This is done by exosomes that carry fragments of long non-coding RNA and transposons, which convey structure information. In the normal process of epigenetic differentiation, the information passed may lead to apoptosis due to the constraints of a particular body part structure. The proposed treatment involves determining what structure information is being passed in a particular tumor, then adding artificial exosomes that overwhelm the current information with commands for the cells to go into apoptosis.
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60
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Current landscape of tumor-derived exosomal ncRNAs in glioma progression, detection, and drug resistance. Cell Death Dis 2021; 12:1145. [PMID: 34887381 PMCID: PMC8660802 DOI: 10.1038/s41419-021-04430-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 11/11/2021] [Accepted: 11/19/2021] [Indexed: 02/07/2023]
Abstract
Glioma is the most common and fatal tumor of the central nervous system in humans. Despite advances in surgery, radiotherapy, and chemotherapeutic agents, glioma still has a poor prognosis. The tumor microenvironment (TME) of glioma is of highly complex heterogeneity, which relies on a network-based communication between glioma cells and other stromal cell types. Exosomes are the most common type of naturally occurring extracellular vesicles, ranging in size from 40 to 160 nm, and can serve as carriers for proteins, RNAs, and other biologically active molecules. Recent evidence has shown that glioma-derived exosomes (GDEs) can be integrally detected in the local tissue and circulatory blood samples, and also can be transferred to recipient cells to mediate transmission of genetic information. Non-coding RNAs (ncRNAs) mainly including microRNA, long non-coding RNA, and circular RNA, account for a large portion of the human transcriptome. A broad range of ncRNAs encapsulated in GDEs is reported to exert regulatory functions in various pathophysiological processes of glioma. Herein, this review summarizes the latest findings on the fundamental roles of GDE ncRNAs that have been implicated in glioma behaviors, immunological regulation, diagnosis potential, and treatment resistance, as well as the current limitations and perspectives. Undoubtedly, a thorough understanding of this area will provide comprehensive insights into GDE-based clinical applications for combating gliomas.
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61
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The Roles of the Colon Cancer Associated Transcript 2 (CCAT2) Long Non-Coding RNA in Cancer: A Comprehensive Characterization of the Tumorigenic and Molecular Functions. Int J Mol Sci 2021; 22:ijms222212491. [PMID: 34830370 PMCID: PMC8620102 DOI: 10.3390/ijms222212491] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/17/2021] [Accepted: 11/17/2021] [Indexed: 12/12/2022] Open
Abstract
Colon cancer-associated transcript 2 (CCAT2) is an intensively studied lncRNA with important regulatory roles in cancer. As such, cumulative studies indicate that CCAT2 displays a high functional versatility due to its direct interaction with multiple RNA binding proteins, transcription factors, and other species of non-coding RNA, especially microRNA. The definitory mechanisms of CCAT2 are its role as a regulator of the TCF7L2 transcription factor, enhancer of MYC expression, and activator of the WNT/β-catenin pathway, as well as a role in promoting and maintaining chromosome instability through the BOP1–AURKB pathway. Additionally, we highlight how the encompassing rs6983267 SNP has been shown to confer CCAT2 with allele-specific functional and structural particularities, such as the allelic-specific reprogramming of glutamine metabolism. Additionally, we emphasize CCAT2’s role as a competitive endogenous RNA (ceRNA) for multiple tumor suppressor miRNAs, such as miR-4496, miR-493, miR-424, miR-216b, miR-23b, miR-34a, miR-145, miR-200b, and miR-143 and the pro-tumorigenic role of the altered regulatory axis. Additionally, due to its upregulation in tumor tissues, wide distribution across cancer types, and presence in serum samples, we outline CCAT2’s potential as a biomarker and disease indicator and its implications for the development of resistance against current cancer therapy regiments and metastasis.
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Emerging role of long non-coding RNAs in endothelial dysfunction and their molecular mechanisms. Biomed Pharmacother 2021; 145:112421. [PMID: 34798473 DOI: 10.1016/j.biopha.2021.112421] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/10/2021] [Accepted: 11/10/2021] [Indexed: 02/06/2023] Open
Abstract
Long non-coding RNAs (lncRNAs) are the novel class of transcripts involved in transcriptional, post-transcriptional, translational, and post-translational regulation of physiology and the pathology of diseases. Studies have evidenced that the impairment of endothelium is a critical event in the pathogenesis of atherosclerosis and its complications. Endothelial dysfunction is characterized by an imbalance in vasodilation and vasoconstriction, oxidative stress, proinflammatory factors, and nitric oxide bioavailability. Disruption of the endothelial barrier permeability, the first step in developing atherosclerotic lesions is a consequence of endothelial dysfunction. Though several factors interfere with the normal functioning of the endothelium, intrinsic epigenetic mechanisms governing endothelial function are regulated by lncRNAs and perturbations contribute to the pathogenesis of the disease. This review comprehensively addresses the biogenesis of lncRNA and molecular mechanisms underlying and regulation in endothelial function. An insight correlating lncRNAs and endothelial dysfunction-associated diseases can positively impact the development of novel biomarkers and therapeutic targets in endothelial dysfunction-associated diseases and treatment strategies.
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Wu X, Wang X, Wang J, Hao Y, Liu F, Wang X, Yang L, Lu Z. The Roles of Exosomes as Future Therapeutic Agents and Diagnostic Tools for Glioma. Front Oncol 2021; 11:733529. [PMID: 34722277 PMCID: PMC8548662 DOI: 10.3389/fonc.2021.733529] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 09/20/2021] [Indexed: 12/31/2022] Open
Abstract
Glioma is a common type of tumor originating in the brain. Glioma develops in the gluey supporting cells (glial cells) that surround and support nerve cells. Exosomes are extracellular vesicles that contain microRNAs, messenger RNA, and proteins. Exosomes are the most prominent mediators of intercellular communication, regulating, instructing, and re-educating their surrounding milieu targeting different organs. As exosomes' diameter is in the nano range, the ability to cross the blood-brain barrier, a crucial obstacle in developing therapeutics against brain diseases, including glioma, makes the exosomes a potential candidate for delivering therapeutic agents for targeting malignant glioma. This review communicates the current knowledge of exosomes' significant roles that make them crucial future therapeutic agents and diagnostic tools for glioma.
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Affiliation(s)
- Xiaoben Wu
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Xingbang Wang
- Department of Neurology, Qilu Hospital, Shandong University, Jinan, China
| | - Jing Wang
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yingying Hao
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Fang Liu
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Xin Wang
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Lei Yang
- Department of Medical Engineering, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Zhiming Lu
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
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Cocks A, Martinez-Rodriguez V, Del Vecchio F, Schukking M, Broseghini E, Giannakopoulos S, Fabbri M. Diverse roles of EV-RNA in cancer progression. Semin Cancer Biol 2021; 75:127-135. [PMID: 33440245 PMCID: PMC8271091 DOI: 10.1016/j.semcancer.2020.11.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 11/04/2020] [Accepted: 11/30/2020] [Indexed: 01/01/2023]
Abstract
Extracellular vesicles (EVs) have emerged as important players in all aspects of cancer biology. Their function is mediated by their cargo and surface molecules including proteins, lipids, sugars and nucleic acids. RNA in particular is a key mediator of EV function both in normal and cancer cells. This statement is supported by several lines of evidence. First, cells do not always randomly load RNA in EVs, there seems to be a specific manner in which cells populate their EVs with certain RNA molecules. Moreover, cellular uptake of EV-RNA and the secondary compartmentalization of EV-RNA in recipient cells is widely reported, and these RNAs have an impact on all aspects of cancer growth and the anti-tumoral immune response. Additionally, EV-RNA seems to work through various mechanisms of action, highlighting the intricacies of EVs and their RNA cargo as prominent means of inter-cellular communication.
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Affiliation(s)
- Alexander Cocks
- Cancer Biology Program, University of Hawai'i Cancer Center, Honolulu, HI, 96813, USA
| | - Verena Martinez-Rodriguez
- Cancer Biology Program, University of Hawai'i Cancer Center, Honolulu, HI, 96813, USA; Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawai'i at Manoa, Honolulu, HI, 96813, USA
| | - Filippo Del Vecchio
- Cancer Biology Program, University of Hawai'i Cancer Center, Honolulu, HI, 96813, USA
| | - Monique Schukking
- Cancer Biology Program, University of Hawai'i Cancer Center, Honolulu, HI, 96813, USA; Department of Molecular Biosciences & Bioengineering, University of Hawai'i at Manoa, Honolulu, HI, 96822, USA
| | - Elisabetta Broseghini
- Cancer Biology Program, University of Hawai'i Cancer Center, Honolulu, HI, 96813, USA
| | | | - Muller Fabbri
- Cancer Biology Program, University of Hawai'i Cancer Center, Honolulu, HI, 96813, USA.
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Balandeh E, Mohammadshafie K, Mahmoudi Y, Hossein Pourhanifeh M, Rajabi A, Bahabadi ZR, Mohammadi AH, Rahimian N, Hamblin MR, Mirzaei H. Roles of Non-coding RNAs and Angiogenesis in Glioblastoma. Front Cell Dev Biol 2021; 9:716462. [PMID: 34646821 PMCID: PMC8502969 DOI: 10.3389/fcell.2021.716462] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 08/24/2021] [Indexed: 12/12/2022] Open
Abstract
One of the significant hallmarks of cancer is angiogenesis. It has a crucial function in tumor development and metastasis. Thus, angiogenesis has become one of the most exciting targets for drug development in cancer treatment. Here we discuss the regulatory effects on angiogenesis in glioblastoma (GBM) of non-coding RNAs (ncRNAs), including long ncRNA (lncRNA), microRNA (miRNA), and circular RNA (circRNA). These ncRNAs may function in trans or cis forms and modify gene transcription by various mechanisms, including epigenetics. NcRNAs may also serve as crucial regulators of angiogenesis-inducing molecules. These molecules include, metalloproteinases, cytokines, several growth factors (platelet-derived growth factor, vascular endothelial growth factor, fibroblast growth factor, hypoxia-inducible factor-1, and epidermal growth factor), phosphoinositide 3-kinase, mitogen-activated protein kinase, and transforming growth factor signaling pathways.
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Affiliation(s)
- Ebrahim Balandeh
- Department of Clinical Psychology, School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | | | - Yaser Mahmoudi
- Department of Anatomical Sciences, Yasuj University of Medical Sciences, Yasuj, Iran
| | | | - Ali Rajabi
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Zahra Razaghi Bahabadi
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Amir Hossein Mohammadi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Neda Rahimian
- Endocrine Research Center, Institute of Endocrinology and Metabolism, Iran University of Medical Sciences, Tehran, Iran
| | - Michael R. Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, South Africa
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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Li F, Liang Y, Ying P. Knockdown of MIR9‑3HG inhibits proliferation and promotes apoptosis of cervical cancer cells by miR‑498 via EP300. Mol Med Rep 2021; 24:748. [PMID: 34468010 PMCID: PMC8430307 DOI: 10.3892/mmr.2021.12388] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 02/12/2021] [Indexed: 02/06/2023] Open
Abstract
Cervical cancer is a serious gynecological cancer and one of the primary causes of mortality in female patients with cancer. Despite advances in cancer research, the molecular mechanism underlying cancer remains poorly understood. High levels of MIR9-3 host gene (HG) are associated with the occurrence and development of cervical cancer. However, the specific role of MIR9-3HG during the development of cervical cancer is unclear. In the present study, the expression of MIR9-3HG was silenced in C33A and SiHa cervical cancer cell lines. Proliferation and apoptosis were measured in these cells using 5-ethynyl-2′-deoxyuridine assay and flow cytometry, respectively. In addition, targeting microRNAs (miRs) of MIR9-3HG and mRNAs of miR-498 were predicted using public databases. The predicted interactions between these molecules were validated using RNA immunoprecipitation, RNA pull-down and luciferase reporter assays. Lastly, C33A cells transfected with short hairpin MIR-3HG alone or in combination with miR-498 inhibitor or PC-EP300 were subcutaneously injected into mice. The levels of miR-498, EP300 and Ki67 in tumor tissue were measured via reverse transcription-quantitative PCR or western blotting. MIR9-3HG knockdown inhibited the proliferation of cervical cancer cells, whilst promoting apoptosis. MIR9-3HG sponged miR-498 and inhibited its expression. Additionally, miR-498 interacted with EP300 and inhibited its expression. Transfection with miR-498 inhibitor significantly decreased apoptosis levels; this effect was abolished following EP300 silencing in vitro. In vivo, both miR-498 inhibition and EP300 overexpression reversed the inhibition of tumor growth mediated by MIR-3HG knockdown. MIR9-3HG promoted the proliferation cervical cancer cells via EP300 and miR-498. These in vitro and in vivo findings demonstrate the regulatory role of the MIR9-3HG/miR-498/EP300 axis in cervical cancer cell growth. Thus, the present study identified novel molecular targets for the diagnosis and treatment of cervical cancer and provided new insight into the pathogenesis of cervical cancer.
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Affiliation(s)
- Fang Li
- Gynaecology Department, Jiangxi Maternal and Child Health Hospital, Nanchang, Jiangxi 330006, P.R. China
| | - Ying Liang
- Gynecology Department, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, P.R. China
| | - Pian Ying
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
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Han C, Wang S, Wang H, Zhang J. Exosomal circ-HIPK3 Facilitates Tumor Progression and Temozolomide Resistance by Regulating miR-421/ZIC5 Axis in Glioma. Cancer Biother Radiopharm 2021; 36:537-548. [PMID: 32644821 DOI: 10.1089/cbr.2019.3492] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Affiliation(s)
- Chengchen Han
- Department of Neurosurgery, The Sixth Medical Center of PLA General Hospital, Beijing, China
| | - Shuwei Wang
- Department of Neurosurgery, The Sixth Medical Center of PLA General Hospital, Beijing, China
| | - Hongwei Wang
- Department of Neurosurgery, The Sixth Medical Center of PLA General Hospital, Beijing, China
| | - Jianning Zhang
- Department of Neurosurgery, The Sixth Medical Center of PLA General Hospital, Beijing, China
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Sourani A, Saghaei S, Sabouri M, Soleimani M, Dehghani L. A systematic review of extracellular vesicles as non-invasive biomarkers in glioma diagnosis, prognosis, and treatment response monitoring. Mol Biol Rep 2021; 48:6971-6985. [PMID: 34460059 DOI: 10.1007/s11033-021-06687-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 08/24/2021] [Indexed: 12/23/2022]
Abstract
The present systematic review was done to investigate the possible application of Extracellular vesicles (EVs) in the diagnosis, prognosis, and treatment response monitoring of gliomas using available literature to wrap up the final applicable conclusion in this regard. we searched PubMed/MEDLINE, Scopus, and ISI Web of Science databases. Authors evaluated the quality of the included studies by the QUADAS-2 tool. In total, 2037 published datasets were retrieved through systematic search. Upon screening for eligibility, 35 datasets were determined as eligible. Exosome was the EV-subtype described in the majority of studies, and most datasets used serum as the primary EVs isolation source. EVs isolation was primarily conducted by ultracentrifugation. 31 datasets reported that EVs hold considerable potential for being used in diagnostics, with the majority reporting different types of miRNAs as biomarkers. Besides, 8 datasets reported that EVs could be a potential source of prognostic biomarkers. And finally, 3 datasets reported that EVs might be a reliable strategy for monitoring therapy response in glioma patients. According to the findings of the current systematic review, it seems that miR-301, miR-21, and HOTAIR had the highest diagnostic accuracy. However, heterogeneous and limited evidence regarding prognosis and treatment response monitoring precludes us from drawing a practical conclusion regarding EVs.
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Affiliation(s)
- Arman Sourani
- Department of Neurosurgery, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Saeid Saghaei
- Department of Neurosurgery, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Masih Sabouri
- Department of Neurosurgery, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Masoud Soleimani
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Leila Dehghani
- Neurosciences Research Center, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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Zhang D, Jiang H, Ye J, Gao M, Wang X, Lu E, Yang H, Wang L, Zhao S. A novel lncRNA, RPL34-AS1, promotes proliferation and angiogenesis in glioma by regulating VEGFA. J Cancer 2021; 12:6189-6197. [PMID: 34539892 PMCID: PMC8425216 DOI: 10.7150/jca.59337] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 07/09/2021] [Indexed: 11/05/2022] Open
Abstract
Purpose: Brain gliomas are the most common primary malignant tumors of the central nervous system and one of the leading causes of death in patients with intracranial tumors. The lncRNA RPL34-AS1 is significantly upregulated in glioma tissues. However, the biological function of RPL34-AS1, especially in proliferation in glioma, remains unclear. Methods: The role of RPL34-AS1 in proliferation and angiogenesis in glioma cells was investigated using the LN229, U87, and U251 glioma cell lines. The levels of RPL34-AS1 were detected using real-time quantitative reverse transcription polymerase chain reaction. CCK-8 and colony formation assays were performed to determine the role of RPL34-AS1 in proliferation and survival, and its role in angiogenesis was assessed by an endothelial tube formation assay. Changes in protein levels were assessed by western blotting. Results: RPL34-AS1 was upregulated in glioma tissues and was correlated with tumor grade. RPL34-AS1 expression was also higher in glioma cells than in normal astrocytes. Knockdown of RPL34-AS1 blocked glioma cell proliferation by inhibiting angiogenesis. This effect occurred through decreased ERK/AKT signaling. Conclusions: This study suggests that RPL34-AS1 affects cell proliferation and angiogenesis in glioma and therefore may potentially serve as a valuable diagnostic and prognostic biomarker and therapeutic target in patients with glioma.
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Affiliation(s)
- Dongzhi Zhang
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
- Key Colleges and Universities Laboratory of Neurosurgery in Heilongjiang Province, Harbin, China
- Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, China
- Department of Neurosurgery, The Affiliated Cancer Hospital of Harbin Medical University, Harbin, China
| | - Haiping Jiang
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
- Key Colleges and Universities Laboratory of Neurosurgery in Heilongjiang Province, Harbin, China
- Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, China
| | - Junyi Ye
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
- Key Colleges and Universities Laboratory of Neurosurgery in Heilongjiang Province, Harbin, China
- Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, China
| | - Ming Gao
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
- Key Colleges and Universities Laboratory of Neurosurgery in Heilongjiang Province, Harbin, China
- Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, China
| | - Xinzhuang Wang
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
- Key Colleges and Universities Laboratory of Neurosurgery in Heilongjiang Province, Harbin, China
- Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, China
| | - Enzhou Lu
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
- Key Colleges and Universities Laboratory of Neurosurgery in Heilongjiang Province, Harbin, China
- Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, China
| | - He Yang
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
- Key Colleges and Universities Laboratory of Neurosurgery in Heilongjiang Province, Harbin, China
- Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, China
| | - Lixiang Wang
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
- Key Colleges and Universities Laboratory of Neurosurgery in Heilongjiang Province, Harbin, China
- Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, China
| | - Shiguang Zhao
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
- Key Colleges and Universities Laboratory of Neurosurgery in Heilongjiang Province, Harbin, China
- Institute of Neuroscience, Sino-Russian Medical Research Center, Harbin Medical University, Harbin, China
- Shenzhen University General Hospital, Xueyuan AVE 1098, Nanshan District, 11, Shenzhen, Guangdong, P. R. China
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Li S, Qi Y, Huang Y, Guo Y, Huang T, Jia L. Exosome-derived SNHG16 sponging miR-4500 activates HUVEC angiogenesis by targeting GALNT1 via PI3K/Akt/mTOR pathway in hepatocellular carcinoma. J Physiol Biochem 2021; 77:667-682. [PMID: 34423392 DOI: 10.1007/s13105-021-00833-w] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 07/27/2021] [Indexed: 01/27/2023]
Abstract
Accumulating evidence suggests cancer-derived exosomes play an important role in promoting angiogenesis. Long noncoding RNA small nucleolar RNA host gene 16 (SNHG16) is known to aggravate hepatocellular carcinoma (HCC) progression. However, the function of exosomal SNHG16 in HCC angiogenesis remains unclear. In this study, the expression of SNHG16 was significantly upregulated in HCC tissues and cell lines. The proliferative, migratory, and angiogenic abilities of HUVECs were enhanced after exposure to exosomes derived from HCC cells by transmitting SNHG16. In addition, SNHG16 was validated to promote the biological function of HUVECs directly. Exosomal SNHG16 increased GALNT1 expression to promote angiogenesis via sponging miR-4500. SNHG16/miR-4500/GALNT1 axis played an important role in exosome-mediated angiogenesis and tumor growth in vitro and vivo. Furthermore, SNHG16 activated PI3K/Akt/mTOR pathway via competing endogenous miR-4500 and GALNT1. Meanwhile, the expression of plasma exosomal SNHG16 upregulated in the plasma of HCC patients. These data elucidated the essential role of exosomal SNHG16 in communication between HCC cells and endothelial cells. Exosomal SNHG16 could be utilized as a therapeutic target for anti-angiogenesis in HCC progression.
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Affiliation(s)
- Shuangda Li
- College of Laboratory Medicine, Dalian Medical University, 9 Lvshunnan Road Xiduan, Dalian, 116044, Liaoning Province, China
| | - Yu Qi
- College of Laboratory Medicine, Dalian Medical University, 9 Lvshunnan Road Xiduan, Dalian, 116044, Liaoning Province, China
| | - Yiran Huang
- College of Laboratory Medicine, Dalian Medical University, 9 Lvshunnan Road Xiduan, Dalian, 116044, Liaoning Province, China
| | - Yanru Guo
- College of Laboratory Medicine, Dalian Medical University, 9 Lvshunnan Road Xiduan, Dalian, 116044, Liaoning Province, China
| | - Tong Huang
- College of Laboratory Medicine, Dalian Medical University, 9 Lvshunnan Road Xiduan, Dalian, 116044, Liaoning Province, China
| | - Li Jia
- College of Laboratory Medicine, Dalian Medical University, 9 Lvshunnan Road Xiduan, Dalian, 116044, Liaoning Province, China.
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Vásquez X, Sánchez-Gómez P, Palma V. Netrin-1 in Glioblastoma Neovascularization: The New Partner in Crime? Int J Mol Sci 2021; 22:8248. [PMID: 34361013 PMCID: PMC8348949 DOI: 10.3390/ijms22158248] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/13/2021] [Accepted: 05/14/2021] [Indexed: 12/13/2022] Open
Abstract
Glioblastoma (GBM) is the most aggressive and common primary tumor of the central nervous system. It is characterized by having an infiltrating growth and by the presence of an excessive and aberrant vasculature. Some of the mechanisms that promote this neovascularization are angiogenesis and the transdifferentiation of tumor cells into endothelial cells or pericytes. In all these processes, the release of extracellular microvesicles by tumor cells plays an important role. Tumor cell-derived extracellular microvesicles contain pro-angiogenic molecules such as VEGF, which promote the formation of blood vessels and the recruitment of pericytes that reinforce these structures. The present study summarizes and discusses recent data from different investigations suggesting that Netrin-1, a highly versatile protein recently postulated as a non-canonical angiogenic ligand, could participate in the promotion of neovascularization processes in GBM. The relevance of determining the angiogenic signaling pathways associated with the interaction of Netrin-1 with its receptors is posed. Furthermore, we speculate that this molecule could form part of the microvesicles that favor abnormal tumor vasculature. Based on the studies presented, this review proposes Netrin-1 as a novel biomarker for GBM progression and vascularization.
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Affiliation(s)
- Ximena Vásquez
- Laboratory of Stem Cells and Developmental Biology, Faculty of Sciences, Universidad de Chile, Santiago 7800003, Chile;
| | - Pilar Sánchez-Gómez
- Neurooncology Unit, Unidad Funcional de Investigación de Enfermedades Crónicas (UFIEC), Instituto de Salud Carlos III (ISCIII), 28220 Madrid, Spain
| | - Verónica Palma
- Laboratory of Stem Cells and Developmental Biology, Faculty of Sciences, Universidad de Chile, Santiago 7800003, Chile;
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Mahjoum S, Rufino-Ramos D, Pereira de Almeida L, Broekman MLD, Breakefield XO, van Solinge TS. Living Proof of Activity of Extracellular Vesicles in the Central Nervous System. Int J Mol Sci 2021; 22:ijms22147294. [PMID: 34298912 PMCID: PMC8303915 DOI: 10.3390/ijms22147294] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 07/01/2021] [Accepted: 07/03/2021] [Indexed: 12/27/2022] Open
Abstract
The central nervous system (CNS) consists of a heterogeneous population of cells with highly specialized functions. For optimal functioning of the CNS, in disease and in health, intricate communication between these cells is vital. One important mechanism of cellular communication is the release and uptake of extracellular vesicles (EVs). EVs are membrane enclosed particles actively released by cells, containing a wide array of proteins, lipids, RNA, and DNA. These EVs can be taken up by neighboring or distant cells, and influence a wide range of processes. Due to the complexity and relative inaccessibility of the CNS, our current understanding of the role of EVs is mainly derived in vitro work. However, recently new methods and techniques have opened the ability to study the role of EVs in the CNS in vivo. In this review, we discuss the current developments in our understanding of the role of EVs in the CNS in vivo.
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Affiliation(s)
- Shadi Mahjoum
- Program in Neuroscience, Departments of Neurology and Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02119, USA; (S.M.); (M.L.D.B.); (X.O.B.)
| | - David Rufino-Ramos
- CNC—Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal; (D.R.-R.); (L.P.d.A.)
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
- Faculty of Pharmacy, University of Coimbra, Polo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Luís Pereira de Almeida
- CNC—Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal; (D.R.-R.); (L.P.d.A.)
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Rua Larga, 3004-504 Coimbra, Portugal
- Faculty of Pharmacy, University of Coimbra, Polo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Marike L. D. Broekman
- Program in Neuroscience, Departments of Neurology and Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02119, USA; (S.M.); (M.L.D.B.); (X.O.B.)
- Department of Neurosurgery, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
- Department of Neurosurgery, Haaglanden Medical Center, 2512 VA The Hague, The Netherlands
| | - Xandra O. Breakefield
- Program in Neuroscience, Departments of Neurology and Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02119, USA; (S.M.); (M.L.D.B.); (X.O.B.)
| | - Thomas S. van Solinge
- Program in Neuroscience, Departments of Neurology and Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02119, USA; (S.M.); (M.L.D.B.); (X.O.B.)
- Department of Neurosurgery, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
- Correspondence:
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Chae Y, Roh J, Kim W. The Roles Played by Long Non-Coding RNAs in Glioma Resistance. Int J Mol Sci 2021; 22:ijms22136834. [PMID: 34202078 PMCID: PMC8268860 DOI: 10.3390/ijms22136834] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/18/2021] [Accepted: 06/22/2021] [Indexed: 12/15/2022] Open
Abstract
Glioma originates in the central nervous system and is classified based on both histological features and molecular genetic characteristics. Long non-coding RNAs (lncRNAs) are longer than 200 nucleotides and are known to regulate tumorigenesis and tumor progression, and even confer therapeutic resistance to glioma cells. Since oncogenic lncRNAs have been frequently upregulated to promote cell proliferation, migration, and invasion in glioma cells, while tumor-suppressive lncRNAs responsible for the inhibition of apoptosis and decrease in therapeutic sensitivity in glioma cells have been generally downregulated, the dysregulation of lncRNAs affects many features of glioma patients, and the expression profiles associated with these lncRNAs are needed to diagnose the disease stage and to determine suitable therapeutic strategies. Accumulating studies show that the orchestrations of oncogenic lncRNAs and tumor-suppressive lncRNAs in glioma cells result in signaling pathways that influence the pathogenesis and progression of glioma. Furthermore, several lncRNAs are related to the regulation of therapeutic sensitivity in existing anticancer therapies, including radiotherapy, chemotherapy and immunotherapy. Consequently, we undertook this review to improve the understanding of signaling pathways influenced by lncRNAs in glioma and how lncRNAs affect therapeutic resistance.
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Affiliation(s)
- Yeonsoo Chae
- Department of Science Education, Korea National University of Education, Cheongju-si 28173, Chungbuk, Korea; (Y.C.); (J.R.)
| | - Jungwook Roh
- Department of Science Education, Korea National University of Education, Cheongju-si 28173, Chungbuk, Korea; (Y.C.); (J.R.)
| | - Wanyeon Kim
- Department of Science Education, Korea National University of Education, Cheongju-si 28173, Chungbuk, Korea; (Y.C.); (J.R.)
- Department of Biology Education, Korea National University of Education, Cheongju-si 28173, Chungbuk, Korea
- Correspondence: ; Tel.: +82-43-230-3750
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74
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Catoni C, Di Paolo V, Rossi E, Quintieri L, Zamarchi R. Cell-Secreted Vesicles: Novel Opportunities in Cancer Diagnosis, Monitoring and Treatment. Diagnostics (Basel) 2021; 11:1118. [PMID: 34205256 PMCID: PMC8233857 DOI: 10.3390/diagnostics11061118] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/12/2021] [Accepted: 06/15/2021] [Indexed: 12/12/2022] Open
Abstract
Extracellular vesicles (EVs) are important mediators of intercellular communication playing a pivotal role in the regulation of physiological and pathological processes, including cancer. In particular, there is significant evidence suggesting that tumor-derived EVs exert an immunosuppressive activity during cancer progression, as well as stimulate tumor cell migration, angiogenesis, invasion and metastasis. The use of EVs as a liquid biopsy is currently a fast-growing area of research in medicine, with the potential to provide a step-change in the diagnosis and treatment of cancer, allowing the prediction of both therapy response and prognosis. EVs could be useful not only as biomarkers but also as drug delivery systems, and may represent a target for anticancer therapy. In this review, we attempted to summarize the current knowledge about the techniques used for the isolation of EVs and their roles in cancer biology, as liquid biopsy biomarkers and as therapeutic tools and targets.
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Affiliation(s)
- Cristina Catoni
- Veneto Institute of Oncology IOV-IRCCS, Padua, Italy; (C.C.); (R.Z.)
| | - Veronica Di Paolo
- Laboratory of Drug Metabolism, Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Padua, Italy;
| | - Elisabetta Rossi
- Veneto Institute of Oncology IOV-IRCCS, Padua, Italy; (C.C.); (R.Z.)
- Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy
| | - Luigi Quintieri
- Laboratory of Drug Metabolism, Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Padua, Italy;
| | - Rita Zamarchi
- Veneto Institute of Oncology IOV-IRCCS, Padua, Italy; (C.C.); (R.Z.)
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75
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Bhatta B, Cooks T. Reshaping the tumor microenvironment: extracellular vesicles as messengers of cancer cells. Carcinogenesis 2021; 41:1461-1470. [PMID: 33047121 DOI: 10.1093/carcin/bgaa107] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 09/29/2020] [Accepted: 10/08/2020] [Indexed: 12/13/2022] Open
Abstract
The tumor microenvironment (TME) comprises an assortment of immune and non-immune cells. The interactions between the cancer cells and their surrounding TME are known to be a cardinal factor in all stages of cancer progression, from initiation to metastasis. Tumor-associated macrophages (TAMs) and cancer-associated fibroblasts (CAFs) are considered two of the most abundant TME members associated with poor prognosis in various cancer types. Intercellular communication between the cancer cells and TME cells might occur via direct cell-cell contact or achieved through secreted factors such as cytokines, growth factors and extracellular vesicles (EVs). EVs are released by almost every cell type and by cancer cells in particular. EVs are loaded with unique molecular cargos that might include DNA, proteins, RNA and lipids, commonly reflecting the physiological traits of their donor cells. Once released, EVs are capable of initiating short- and long-distance communication in an autocrine, paracrine and endocrine fashion. The molecular cargos within the EVs are able to impart phenotypic changes at the receiving end thus allowing EV-releasing cancer cells to deliver messages to TME cells and tighten their grasp over the cancerous tissue. In this concise review, we aim to document the bidirectional EV-based communication between cancer cell, TAMs and CAFs, tilting the balance in favor of cancer progression and metastasis.
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Affiliation(s)
- Bibek Bhatta
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Tomer Cooks
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Ben-Gurion University of the Negev, Beer-Sheva, Israel
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76
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Tsutsui T, Kawahara H, Kimura R, Dong Y, Jiapaer S, Sabit H, Zhang J, Yoshida T, Nakada M, Hanayama R. Glioma-derived extracellular vesicles promote tumor progression by conveying WT1. Carcinogenesis 2021; 41:1238-1245. [PMID: 32463428 DOI: 10.1093/carcin/bgaa052] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 04/23/2020] [Accepted: 05/23/2020] [Indexed: 01/01/2023] Open
Abstract
Glioma persists as one of the most aggressive primary tumors of the central nervous system. Glioma cells are known to communicate with tumor-associated macrophages/microglia via various cytokines to establish the tumor microenvironment. However, how extracellular vesicles (EVs), emerging regulators of cell-cell communication networks, function in this process is still elusive. We report here that glioma-derived EVs promote tumor progression by affecting microglial gene expression in an intracranial implantation glioma model mouse. The gene expression of thrombospondin-1 (Thbs1), a negative regulator of angiogenesis, was commonly downregulated in microglia after the addition of EVs isolated from different glioma cell lines, which endogenously expressed Wilms tumor-1 (WT1). Conversely, WT1-deficiency in the glioma-derived EVs significantly attenuated the Thbs1 downregulation and suppressed the tumor progression. WT1 was highly expressed in EVs obtained from the cerebrospinal fluid of human patients with malignant glioma. Our findings establish a novel model of tumor progression via EV-mediated WT1-Thbs1 intercellular regulatory pathway, which may be a future diagnostic or therapeutic target.
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Affiliation(s)
- Taishi Tsutsui
- Department of Immunology, Kanazawa University Graduate School of Medical Sciences, Takara, Kanazawa, Ishikawa, Japan.,Department of Neurosurgery, Kanazawa University Graduate School of Medical Sciences, Takara, Kanazawa, Ishikawa, Japan
| | - Hironori Kawahara
- Department of Immunology, Kanazawa University Graduate School of Medical Sciences, Takara, Kanazawa, Ishikawa, Japan.,WPI Nano Life Science Institute (NanoLSI), Kanazawa University, Kakuma, Kanazawa, Ishikawa, Japan
| | - Ryouken Kimura
- Department of Immunology, Kanazawa University Graduate School of Medical Sciences, Takara, Kanazawa, Ishikawa, Japan.,Department of Neurosurgery, Kanazawa University Graduate School of Medical Sciences, Takara, Kanazawa, Ishikawa, Japan
| | - Yu Dong
- Department of Neurosurgery, Kanazawa University Graduate School of Medical Sciences, Takara, Kanazawa, Ishikawa, Japan
| | - Shabierjiang Jiapaer
- Department of Neurosurgery, Kanazawa University Graduate School of Medical Sciences, Takara, Kanazawa, Ishikawa, Japan
| | - Hemragul Sabit
- Department of Neurosurgery, Kanazawa University Graduate School of Medical Sciences, Takara, Kanazawa, Ishikawa, Japan
| | - Jiakang Zhang
- Department of Neurosurgery, Kanazawa University Graduate School of Medical Sciences, Takara, Kanazawa, Ishikawa, Japan
| | - Takeshi Yoshida
- Department of Immunology, Kanazawa University Graduate School of Medical Sciences, Takara, Kanazawa, Ishikawa, Japan.,WPI Nano Life Science Institute (NanoLSI), Kanazawa University, Kakuma, Kanazawa, Ishikawa, Japan
| | - Mitsutoshi Nakada
- Department of Neurosurgery, Kanazawa University Graduate School of Medical Sciences, Takara, Kanazawa, Ishikawa, Japan
| | - Rikinari Hanayama
- Department of Immunology, Kanazawa University Graduate School of Medical Sciences, Takara, Kanazawa, Ishikawa, Japan.,WPI Nano Life Science Institute (NanoLSI), Kanazawa University, Kakuma, Kanazawa, Ishikawa, Japan
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77
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Massey AE, Malik S, Sikander M, Doxtater KA, Tripathi MK, Khan S, Yallapu MM, Jaggi M, Chauhan SC, Hafeez BB. Clinical Implications of Exosomes: Targeted Drug Delivery for Cancer Treatment. Int J Mol Sci 2021; 22:ijms22105278. [PMID: 34067896 PMCID: PMC8156384 DOI: 10.3390/ijms22105278] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/05/2021] [Accepted: 05/11/2021] [Indexed: 12/13/2022] Open
Abstract
Exosomes are nanoscale vesicles generated by cells for intercellular communication. Due to their composition, significant research has been conducted to transform these particles into specific delivery systems for various disease states. In this review, we discuss the common isolation and loading methods of exosomes, some of the major roles of exosomes in the tumor microenvironment, as well as discuss recent applications of exosomes as drug delivery vessels and the resulting clinical implications.
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Affiliation(s)
- Andrew E. Massey
- National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health, Bethesda, MD 20892, USA;
| | - Shabnam Malik
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA; (S.M.); (M.S.); (K.A.D.); (M.K.T.); (S.K.); (M.M.Y.); (M.J.)
| | - Mohammad Sikander
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA; (S.M.); (M.S.); (K.A.D.); (M.K.T.); (S.K.); (M.M.Y.); (M.J.)
| | - Kyle A. Doxtater
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA; (S.M.); (M.S.); (K.A.D.); (M.K.T.); (S.K.); (M.M.Y.); (M.J.)
| | - Manish K. Tripathi
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA; (S.M.); (M.S.); (K.A.D.); (M.K.T.); (S.K.); (M.M.Y.); (M.J.)
| | - Sheema Khan
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA; (S.M.); (M.S.); (K.A.D.); (M.K.T.); (S.K.); (M.M.Y.); (M.J.)
| | - Murali M. Yallapu
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA; (S.M.); (M.S.); (K.A.D.); (M.K.T.); (S.K.); (M.M.Y.); (M.J.)
| | - Meena Jaggi
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA; (S.M.); (M.S.); (K.A.D.); (M.K.T.); (S.K.); (M.M.Y.); (M.J.)
| | - Subhash C. Chauhan
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA; (S.M.); (M.S.); (K.A.D.); (M.K.T.); (S.K.); (M.M.Y.); (M.J.)
- Correspondence: (S.C.C.); (B.B.H.)
| | - Bilal B. Hafeez
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, McAllen, TX 78504, USA; (S.M.); (M.S.); (K.A.D.); (M.K.T.); (S.K.); (M.M.Y.); (M.J.)
- Correspondence: (S.C.C.); (B.B.H.)
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78
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Kim SH, Lim KH, Yang S, Joo JY. Long non-coding RNAs in brain tumors: roles and potential as therapeutic targets. J Hematol Oncol 2021; 14:77. [PMID: 33980320 PMCID: PMC8114507 DOI: 10.1186/s13045-021-01088-0] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 05/03/2021] [Indexed: 12/11/2022] Open
Abstract
Brain tumors are associated with adverse outcomes despite improvements in radiation therapy, chemotherapy, and photodynamic therapy. However, treatment approaches are evolving, and new biological phenomena are being explored to identify the appropriate treatment of brain tumors. Long non-coding RNAs (lncRNAs), a type of non-coding RNA longer than 200 nucleotides, regulate gene expression at the transcriptional, post-transcriptional, and epigenetic levels and are involved in a variety of biological functions. Recent studies on lncRNAs have revealed their aberrant expression in various cancers, with distinct expression patterns associated with their instrumental roles in cancer. Abnormal expression of lncRNAs has also been identified in brain tumors. Here, we review the potential roles of lncRNAs and their biological functions in the context of brain tumors. We also summarize the current understanding of the molecular mechanisms and signaling pathways related to lncRNAs that may guide clinical trials for brain tumor therapy.
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Affiliation(s)
- Sung-Hyun Kim
- Neurodegenerative Disease Research Group, Korea Brain Research Institute, Daegu, 41062, Republic of Korea
| | - Key-Hwan Lim
- Neurodegenerative Disease Research Group, Korea Brain Research Institute, Daegu, 41062, Republic of Korea
| | - Sumin Yang
- Neurodegenerative Disease Research Group, Korea Brain Research Institute, Daegu, 41062, Republic of Korea
| | - Jae-Yeol Joo
- Neurodegenerative Disease Research Group, Korea Brain Research Institute, Daegu, 41062, Republic of Korea.
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79
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Tadayoni Nia A, Bazi Z, Khosravi A, Oladnabi M. WDR81 Gene Silencing Can Reduce Exosome Levels in Human U87-MG Glioblastoma Cells. J Mol Neurosci 2021; 71:1696-1702. [PMID: 33954857 DOI: 10.1007/s12031-021-01849-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 04/20/2021] [Indexed: 12/21/2022]
Abstract
Glioblastoma is a very invasive and prevalent brain tumor that affects 15 in 100,000 persons over the age of 70 years. Studies have shown that the expression of the WD repeat domain 81 (WDR81) gene, which is effective in vesicular transport and inhibition of autophagy, is increased in glioblastoma. The decreased autophagy was found to be related to the increased production of exosomes, which is a major factor in the pathogenesis of glioblastoma. The PI-3kinase complex is a pre-autophagic complex that is highly active in the absence of WDR81. The WDR81 gene, as a negative regulator of PI3K activity, prevents autophagy and increases exosome secretion by preventing the formation of the class III PI3K complex. Therefore, targeted reduction of exosomes can be considered an effective strategy for reducing the pathogenesis of glioblastoma. This study aimed to assess the effect of WDR81 gene silencing with siRNA on exosome levels in a U87-MG cell line. Culturing of U87-MG cells was carried out in Dulbecco's modified Eagle medium (DMEM) containing 5% FBS and 1% penicillin/streptomycin. Thereafter, silencing of WDR81 was performed using WDR81 siRNA, whose gene expression level was determined via real-time qRT-PCR. Cell viability was evaluated using the MTT assay. The exosomes were extracted from a cell culture using the Exocib kit. The size accuracy of the exosomes was confirmed by dynamic light scattering (DLS). Finally, the protein content and RNA of the exosomes were assessed. WDR81 gene expression of siRNA-transfected cells was decreased to 82% after 24 h compared to the non-transfected control cells. The analysis of the exosomes showed that the concentration of exosomes and their RNA and protein content in the siRNA-transfected cells decreased significantly compared to the non-transfected control cells. No considerable difference was observed in cell viability after transfection with either WDR81-specific siRNAs or scrambled control siRNAs. Our findings showed that silencing the WDR81 gene could reduce the level of exosomes in human U87-MG glioblastoma cells. Therefore, the reduced exosome content may be suggested as a new gene therapy strategy for targeted therapy of glioblastoma by increasing autophagy via activation of PI3KIII. However, more studies are needed in this regard.
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Affiliation(s)
- Amin Tadayoni Nia
- Stem Cell Research Center, Golestan University of Medical Sciences, Gorgan, Iran.,Department of Medical Genetics, Faculty of Advanced Medical Technologies, Golestan University of Medical Sciences, Gorgan, Iran
| | - Zahra Bazi
- Stem Cell Research Center, Golestan University of Medical Sciences, Gorgan, Iran.,Department of Medical Biotechnology, Faculty of Advanced Medical Technologies, Golestan University of Medical Sciences, Gorgan, Iran
| | - Ayyoob Khosravi
- Stem Cell Research Center, Golestan University of Medical Sciences, Gorgan, Iran.,Department of Molecular Medicine, Faculty of Advanced Medical Technologies, Golestan University of Medical Sciences, Gorgan, Iran
| | - Morteza Oladnabi
- Stem Cell Research Center, Golestan University of Medical Sciences, Gorgan, Iran. .,Department of Medical Genetics, Faculty of Advanced Medical Technologies, Golestan University of Medical Sciences, Gorgan, Iran. .,Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran. .,Gorgan Congenital Malformations Research Center, Golestan University of Medical Sciences, Gorgan, Iran.
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80
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Spinelli C, Tawil N, Adnani L, Rak J, Choi D. Extracellular Vesicle Mediated Vascular Pathology in Glioblastoma. Subcell Biochem 2021; 97:247-273. [PMID: 33779920 DOI: 10.1007/978-3-030-67171-6_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
Abstract
Glioblastoma (GBM) is an incurable, infiltrative high-grade brain tumour associated with dramatic vascular responses observed both locally (angiogenesis, vascular cooption, angiocrine effects, microthrombosis) and systemically (venous thromboembolism). GBM-associated vascular pathology is diagnostically relevant and constitutes a source of morbidity, mortality and progressive changes in tumour biology. Extracellular vesicles (EVs) have emerged as unique mediators of vascular effects in brain tumours acting as vehicles for intercellular transfer of oncoproteins (e.g. EGFRvIII), RNA, DNA and molecular effectors of angiogenesis and thrombosis. Vascular effects of GBM EVs are regulated by cancer cell genome, epigenome and microenvironment and differ between subtypes of cancer cells and stem cells. Understanding and targeting EV-driven vascular processes in GBM may offer new approaches to diagnose and treat these intractable tumours.
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Affiliation(s)
- Cristiana Spinelli
- McGill University and the Research Institute of the McGill University Health Centre, QC, Canada
| | - Nadim Tawil
- McGill University and the Research Institute of the McGill University Health Centre, QC, Canada
| | - Lata Adnani
- McGill University and the Research Institute of the McGill University Health Centre, QC, Canada
| | - Janusz Rak
- McGill University and the Research Institute of the McGill University Health Centre, QC, Canada.
| | - Dongsic Choi
- McGill University and the Research Institute of the McGill University Health Centre, QC, Canada.
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81
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Chen Q, Li Y, Liu Y, Xu W, Zhu X. Exosomal Non-coding RNAs-Mediated Crosstalk in the Tumor Microenvironment. Front Cell Dev Biol 2021; 9:646864. [PMID: 33912560 PMCID: PMC8072401 DOI: 10.3389/fcell.2021.646864] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 03/15/2021] [Indexed: 01/18/2023] Open
Abstract
Exosomes are secreted by different types of cells in tumor microenvironment (TME) and participate in multiple biological processes of tumors. Non-coding RNAs (ncRNAs) enveloped in exosomes and released to the TME are shown to be involved in tumorigenesis and development, as well as act as important intracellular communication mediators. However, the understanding on the exact regulatory functions and substrates of exosomal RNA is still at an early stage. In this review, we provided an overview on recent studies on exosomes mediating the modulation of both tumor cells and immune cells, then summarized the exosomal ncRNAs [such as microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs)] secreted by tumor cells and stromal cells that exhibited potential capabilities to regulate tumor cell growth, progression, metastasis, drug resistance, and immune response. Our review may hopefully inspire a deeper understanding on the ncRNAs’ function as useful biomarkers for the diagnosis, prognosis, and as novel targets therapy for cancer.
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Affiliation(s)
- Qi Chen
- Department of Oncology and Central Laboratory, Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China.,International Genome Center, Jiangsu University, Zhenjiang, China
| | - Yuefeng Li
- Affiliated People Hospital of Jiangsu University, Zhenjiang, China
| | - Yueqin Liu
- Department of Oncology and Central Laboratory, Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Wenlin Xu
- Department of Oncology and Central Laboratory, Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Xiaolan Zhu
- Department of Oncology and Central Laboratory, Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China.,Reproduction Medicine Center, Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China.,International Genome Center, Jiangsu University, Zhenjiang, China
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82
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Xiao L, Hareendran S, Loh YP. Function of exosomes in neurological disorders and brain tumors. EXTRACELLULAR VESICLES AND CIRCULATING NUCLEIC ACIDS 2021; 2:55-79. [PMID: 34368812 PMCID: PMC8341051 DOI: 10.20517/evcna.2021.04] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Exosomes are a subtype of extracellular vesicles released from different cell types including those in the nervous system, and are enriched in a variety of bioactive molecules such as RNAs, proteins and lipids. Numerous studies have indicated that exosomes play a critical role in many physiological and pathological activities by facilitating intercellular communication and modulating cells' responses to external environments. Particularly in the central nervous system, exosomes have been implicated to play a role in many neurological disorders such as abnormal neuronal development, neurodegenerative diseases, epilepsy, mental disorders, stroke, brain injury and brain cancer. Since exosomes recapitulate the characteristics of the parental cells and have the capacity to cross the blood-brain barrier, their cargo can serve as potential biomarkers for early diagnosis and clinical assessment of disease treatment. In this review, we describe the latest findings and current knowledge of the roles exosomes play in various neurological disorders and brain cancer, as well as their application as promising biomarkers. The potential use of exosomes to deliver therapeutic molecules to treat diseases of the central nervous system is also discussed.
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Affiliation(s)
- Lan Xiao
- Section on Cellular Neurobiology, Eunice Kennedy Shriver, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA
| | - Sangeetha Hareendran
- Section on Cellular Neurobiology, Eunice Kennedy Shriver, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA
| | - Y Peng Loh
- Section on Cellular Neurobiology, Eunice Kennedy Shriver, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA
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83
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Attenuating senescence and dead cells accumulation as heart failure therapy: Break the communication networks. Int J Cardiol 2021; 334:72-85. [PMID: 33794236 DOI: 10.1016/j.ijcard.2021.03.061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 03/18/2021] [Accepted: 03/22/2021] [Indexed: 02/03/2023]
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84
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Studies on the Regulatory Roles and Related Mechanisms of lncRNAs in the Nervous System. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6657944. [PMID: 33791072 PMCID: PMC7984887 DOI: 10.1155/2021/6657944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 12/19/2020] [Accepted: 02/15/2021] [Indexed: 11/25/2022]
Abstract
Long noncoding RNAs (lncRNAs) have attracted extensive attention due to their regulatory role in various cellular processes. Emerging studies have indicated that lncRNAs are expressed to varying degrees after the growth and development of the nervous system as well as injury and degeneration, thus affecting various physiological processes of the nervous system. In this review, we have compiled various reported lncRNAs related to the growth and development of central and peripheral nerves and pathophysiology (including advanced nerve centers, spinal cord, and peripheral nervous system) and explained how these lncRNAs play regulatory roles through their interactions with target-coding genes. We believe that a full understanding of the regulatory function of lncRNAs in the nervous system will contribute to understand the molecular mechanism of changes after nerve injury and will contribute to discover new diagnostic markers and therapeutic targets for nerve injury diseases.
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85
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Long noncoding RNA NKILA transferred by astrocyte-derived extracellular vesicles protects against neuronal injury by upregulating NLRX1 through binding to mir-195 in traumatic brain injury. Aging (Albany NY) 2021; 13:8127-8145. [PMID: 33686956 PMCID: PMC8034961 DOI: 10.18632/aging.202618] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 08/22/2020] [Indexed: 01/21/2023]
Abstract
The study aims to investigate the effects of long noncoding RNA (lncRNA) transmitted nuclear factor-κB interacting lncRNA (NKILA)-containing astrocyte-derived small extracellular vesicles (EVs) on traumatic brain injury (TBI). TBI was modeled in vitro by exposing human neurons to mechanical injury and in vivo by controlled cortical impact in a mouse model. The gain- and loss-function approaches were conducted in injured neurons to explore the role of NKILA, microRNA-195 (miR-195) and nucleotide-binding leucine-rich repeat containing family member X1 (NLRX1) in neuronal injury. EVs extracted from NKILA-overexpressing astrocytes were used to treat injured neurons. It was revealed that NKILA was downregulated in injured neurons. Astrocyte co-culture participated in the upregulation of NKILA in injured neurons. Additionally, NKILA could competitively bind to miR-195 that directly targeted NLRX1. Next, the upregulation of NLRX1 or NKILA relived neuronal injury by promoting neuronal proliferation but inhibiting apoptosis. Astrocyte-derived EVs transferred NKILA into neurons, which led to the downregulation of miR-195, upregulation of NLRX1, increased cell proliferation, and decreased cell apoptosis. The in vivo experiments validated that NKILA-containing EVs promoted brain recovery following TBI. Collectively, astrocyte-derived EVs carrying NKILA was found to alleviate neuronal injury in TBI by competitively binding to miR-195 and upregulating NLRX1.
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86
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Zhang S, Yang J, Shen L. Extracellular vesicle-mediated regulation of tumor angiogenesis- implications for anti-angiogenesis therapy. J Cell Mol Med 2021; 25:2776-2785. [PMID: 33586248 PMCID: PMC7957215 DOI: 10.1111/jcmm.16359] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/19/2021] [Accepted: 01/22/2021] [Indexed: 12/21/2022] Open
Abstract
Angiogenesis plays an important role in tumour progression. However, anti‐angiogenesis therapy of inhibiting pro‐angiogenic factors failed to meet expectations in certain types of tumour in clinical trials. Recent studies reveal that tumour‐derived extracellular vesicles (EVs) are essential in tumour angiogenesis and anti‐angiogenesis drug resistance. This function has most commonly been attributed to EV contents including proteins and non‐coding RNAs. Here, we summarize the recent findings of tumour‐derived EV contents associated with regulating angiogenesis and illustrate the underlying mechanisms. In addition, the roles of EVs in tumour microenvironmental cells are also illustrated with a focus on how EVs participate in cell‐cell communication, contributing to tumour‐mediated angiogenesis. It will help offer new perspectives on developing targets of anti‐angiogenesis drugs and improve the efficacy of anti‐angiogenesis therapies based on tumour‐derived EVs.
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Affiliation(s)
- Shuqiong Zhang
- Department of Clinical Laboratory, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Junyao Yang
- Department of Clinical Laboratory, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lisong Shen
- Department of Clinical Laboratory, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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87
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Arcucci V, Stacker SA, Achen MG. Control of Gene Expression by Exosome-Derived Non-Coding RNAs in Cancer Angiogenesis and Lymphangiogenesis. Biomolecules 2021; 11:249. [PMID: 33572413 PMCID: PMC7916238 DOI: 10.3390/biom11020249] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 01/29/2021] [Accepted: 02/04/2021] [Indexed: 12/12/2022] Open
Abstract
Abstract: Tumour angiogenesis and lymphangiogenesis are hallmarks of cancer and have been associated with tumour progression, tumour metastasis and poor patient prognosis. Many factors regulate angiogenesis and lymphangiogenesis in cancer including non-coding RNAs which are a category of RNAs that do not encode proteins and have important regulatory functions at transcriptional and post-transcriptional levels. Non-coding RNAs can be encapsulated in extracellular vesicles called exosomes which are secreted by tumour cells or other cells in the tumour microenvironment and can then be taken up by the endothelial cells of blood vessels and lymphatic vessels. The "delivery" of these non-coding RNAs to endothelial cells in tumours can facilitate tumour angiogenesis and lymphangiogenesis. Here we review recent findings about exosomal non-coding RNAs, specifically microRNAs and long non-coding RNAs, which regulate tumour angiogenesis and lymphangiogenesis in cancer. We then focus on the potential use of these molecules as cancer biomarkers and opportunities for exploiting ncRNAs for the treatment of cancer.
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Affiliation(s)
- Valeria Arcucci
- Tumour Angiogenesis and Microenvironment Program, Peter MacCallum Cancer Centre, 305 Grattan St., Melbourne VIC 3000, Australia; (V.A.); (S.A.S.)
- Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville VIC 3010, Australia
| | - Steven A. Stacker
- Tumour Angiogenesis and Microenvironment Program, Peter MacCallum Cancer Centre, 305 Grattan St., Melbourne VIC 3000, Australia; (V.A.); (S.A.S.)
- Sir Peter MacCallum Department of Oncology, University of Melbourne, Parkville VIC 3010, Australia
- Department of Surgery, Royal Melbourne Hospital, The University of Melbourne, Parkville VIC 3050, Australia
| | - Marc G. Achen
- O’Brien Institute Department, St Vincent’s Institute of Medical Research, 9 Princes Street, Fitzroy VIC 3065, Australia
- Department of Medicine, St Vincent’s Hospital, University of Melbourne, Fitzroy VIC 3065, Australia
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88
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The GAUGAA Motif Is Responsible for the Binding between circSMARCA5 and SRSF1 and Related Downstream Effects on Glioblastoma Multiforme Cell Migration and Angiogenic Potential. Int J Mol Sci 2021; 22:ijms22041678. [PMID: 33562358 PMCID: PMC7915938 DOI: 10.3390/ijms22041678] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 01/26/2021] [Accepted: 02/04/2021] [Indexed: 12/17/2022] Open
Abstract
Circular RNAs (circRNAs) are a large class of RNAs with regulatory functions within cells. We recently showed that circSMARCA5 is a tumor suppressor in glioblastoma multiforme (GBM) and acts as a decoy for Serine and Arginine Rich Splicing Factor 1 (SRSF1) through six predicted binding sites (BSs). Here we characterized RNA motifs functionally involved in the interaction between circSMARCA5 and SRSF1. Three different circSMARCA5 molecules (Mut1, Mut2, Mut3), each mutated in two predicted SRSF1 BSs at once, were obtained through PCR-based replacement of wild-type (WT) BS sequences and cloned in three independent pcDNA3 vectors. Mut1 significantly decreased its capability to interact with SRSF1 as compared to WT, based on the RNA immunoprecipitation assay. In silico analysis through the “Find Individual Motif Occurrences” (FIMO) algorithm showed GAUGAA as an experimentally validated SRSF1 binding motif significantly overrepresented within both predicted SRSF1 BSs mutated in Mut1 (q-value = 0.0011). U87MG and CAS-1, transfected with Mut1, significantly increased their migration with respect to controls transfected with WT, as revealed by the cell exclusion zone assay. Immortalized human brain microvascular endothelial cells (IM-HBMEC) exposed to conditioned medium (CM) harvested from U87MG and CAS-1 transfected with Mut1 significantly sprouted more than those treated with CM harvested from U87MG and CAS-1 transfected with WT, as shown by the tube formation assay. qRT-PCR showed that the intracellular pro- to anti-angiogenic Vascular Endothelial Growth Factor A (VEGFA) mRNA isoform ratio and the amount of total VEGFA mRNA secreted in CM significantly increased in Mut1-transfected CAS-1 as compared to controls transfected with WT. Our data suggest that GAUGAA is the RNA motif responsible for the interaction between circSMARCA5 and SRSF1 as well as for the circSMARCA5-mediated control of GBM cell migration and angiogenic potential.
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89
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Wang X, Guo J, Yu P, Guo L, Mao X, Wang J, Miao S, Sun J. The roles of extracellular vesicles in the development, microenvironment, anticancer drug resistance, and therapy of head and neck squamous cell carcinoma. J Exp Clin Cancer Res 2021; 40:35. [PMID: 33478586 PMCID: PMC7819156 DOI: 10.1186/s13046-021-01840-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 01/11/2021] [Indexed: 02/06/2023] Open
Abstract
Head and neck squamous cell carcinoma (HNSCC) is one of the main malignant tumours affecting human health, mainly due to delayed diagnosis and high invasiveness. Extracellular vehicles (EVs) are membranous vesicles released by cells into the extracellular matrix that carry important signalling molecules and stably and widely exist in various body fluids, such as plasma, saliva, cerebrospinal fluid, breast milk, urine, semen, lymphatic fluid, synovial fluid, amniotic fluid, and sputum. EVs transport almost all types of bioactive molecules (DNA, mRNAs, microRNAs (miRNAs), proteins, metabolites, and even pharmacological compounds). These "cargoes" can act on recipient cells, reshaping the surrounding microenvironment and altering distant targets, ultimately affecting their biological behaviour. The extensive exploration of EVs has deepened our comprehensive understanding of HNSCC biology. In this review, we not only summarized the effect of HNSCC-derived EVs on the tumour microenvironment but also described the role of microenvironment-derived EVs in HNSCC and discussed how the "mutual dialogue" between the tumour and microenvironment mediates the growth, metastasis, angiogenesis, immune escape, and drug resistance of tumours. Finally, the clinical application of EVS in HNSCC was assessed.
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Affiliation(s)
- Xueying Wang
- Department of Head and Neck Tumors, Harbin Medical University Cancer Hospital, No. 150, Haping Road, Nangang District, 150000, Harbin, Heilongjiang, People's Republic of China
| | - Junnan Guo
- The First Department of Colorectal Surgery, Harbin Medical University Cancer Hospital, No. 150, Haping Road, Nangang District, 150000, Harbin, Heilongjiang, People's Republic of China
| | - Pingyang Yu
- Department of Head and Neck Tumors, Harbin Medical University Cancer Hospital, No. 150, Haping Road, Nangang District, 150000, Harbin, Heilongjiang, People's Republic of China
| | - Lunhua Guo
- Department of Head and Neck Tumors, Harbin Medical University Cancer Hospital, No. 150, Haping Road, Nangang District, 150000, Harbin, Heilongjiang, People's Republic of China
| | - Xionghui Mao
- Department of Head and Neck Tumors, Harbin Medical University Cancer Hospital, No. 150, Haping Road, Nangang District, 150000, Harbin, Heilongjiang, People's Republic of China
| | - Junrong Wang
- Department of Head and Neck Tumors, Harbin Medical University Cancer Hospital, No. 150, Haping Road, Nangang District, 150000, Harbin, Heilongjiang, People's Republic of China
| | - Susheng Miao
- Department of Head and Neck Tumors, Harbin Medical University Cancer Hospital, No. 150, Haping Road, Nangang District, 150000, Harbin, Heilongjiang, People's Republic of China.
| | - Ji Sun
- Department of Head and Neck Tumors, Harbin Medical University Cancer Hospital, No. 150, Haping Road, Nangang District, 150000, Harbin, Heilongjiang, People's Republic of China.
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90
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Han S, Qi Y, Luo Y, Chen X, Liang H. Exosomal Long Non-Coding RNA: Interaction Between Cancer Cells and Non-Cancer Cells. Front Oncol 2021; 10:617837. [PMID: 33520726 PMCID: PMC7840842 DOI: 10.3389/fonc.2020.617837] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 11/30/2020] [Indexed: 12/12/2022] Open
Abstract
Exosomes are small membranous vesicles released by many kinds of cells, and are indispensable in cell-to-cell communication by delivering functional biological components both locally and systemically. Long non-coding RNAs (lncRNAs) are long transcripts over 200 nucleotides that exhibit no or limited protein-coding potentials. LncRNAs are dramatic gene expression regulators, and can be selectively sorted into exosomes. Exosomal lncRNAs derived from cancer cells and stromal cells can mediate the generation of pre-metastatic niches (PMNs) and thus promote the progression of cancer. In this review, we summarized the fundamental biology and characteristics of exosomal lncRNAs. Besides, we provided an overview of current research on functions of exosomal lncRNAs between cancer cells and non-cancer cells. A deep understanding of exosomal lncRNAs' role in cancer will be facilitated to find important implications for cancer development and treatment.
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Affiliation(s)
- Shenqi Han
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
| | - Yongqiang Qi
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
| | - Yiming Luo
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
| | - Xiaoping Chen
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China.,Key Laboratory of Organ Transplantation, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Ministry of Education, Chinese Academy of Medical Sciences, Wuhan, China
| | - Huifang Liang
- Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Wuhan, China
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91
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Hair follicle germs containing vascular endothelial cells for hair regenerative medicine. Sci Rep 2021; 11:624. [PMID: 33436760 PMCID: PMC7804392 DOI: 10.1038/s41598-020-79722-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 12/03/2020] [Indexed: 12/24/2022] Open
Abstract
Hair regenerative medicine has emerged as a promising approach for the treatment of severe hair loss. Recent advances in three-dimensional tissue engineering, such as formation of hair follicle germs (HFGs), have considerably improved hair regeneration after transplantation in animal models. Here, we proposed an approach for fabricating HFGs containing vascular endothelial cells. Epithelial, dermal papilla, and vascular endothelial cells initially formed a single aggregate, which subsequently became a dumbbell-shaped HFG, wherein the vascular endothelial cells localized in the region of dermal papilla cells. The HFGs containing vascular endothelial cells exhibited higher expression of hair morphogenesis-related genes in vitro, along with higher levels of hair shaft regeneration upon transplantation to the dorsal side of nude mice, than those without vascular endothelial cells. The generated hair follicles represented functional characteristics, such as piloerection, as well as morphological characteristics comparable to those of natural hair shafts. This approach may provide a promising strategy for fabricating tissue grafts with higher hair inductivity for hair regenerative medicine.
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92
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Suwakulsiri W, Chen M, Greening DW, Xu R, Simpson RJ. Analysis of Annotated and Unannotated Long Noncoding RNAs from Exosome Subtypes Using Next-Generation RNA Sequencing. Methods Mol Biol 2021; 2254:195-218. [PMID: 33326077 DOI: 10.1007/978-1-0716-1158-6_12] [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] [Indexed: 06/12/2023]
Abstract
Long noncoding RNAs (lncRNAs) contain >200 nucleotides and act as regulatory molecules in transcription and translation processes in both normal and pathological conditions. LncRNAs have been reported to localize in nuclei, cytoplasm, and, more recently, extracellular vesicles such as exosomes. Exosomal lncRNAs have gained much attention as exosomes secreted from one cell type can transfer their cargo (e.g., protein, RNA species, and lipids) to recipient cells and mediate phenotypic changes in the recipient cell. In recent years, many exosomal lncRNAs have been discovered and annotated and are attracting much attention as potential markers for disease diagnosis and prognosis. It is expected that many exosomal lncRNAs are yet to be identified. However, characterization of unannotated exosomal RNAs with non-protein-coding sequences from massive RNA sequencing data is technically challenging. Here, we describe a method for the discovery of annotated and unannotated exosomal lncRNA. This method includes a large-scale isolation and purification strategy for exosome subtypes, using the human colorectal cancer cell line (LIM1863) as a model. The method inputs RNA sequencing clean reads and performs transcript assembly to identify annotated and unannotated exosomal lncRNAs. Cutoffs (length, number of exon, classification code, and human protein-coding probability) are used to identify potentially novel exosomal lncRNAs. Raw read count calculation and differential expression analysis are also introduced for downstream analysis and candidate selection. Exosomal lncRNA candidates are validated using RT-qPCR. This method provides a template for exosomal lncRNA discovery and analysis from next-generation RNA sequencing.
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Affiliation(s)
- Wittaya Suwakulsiri
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science (LIMS), La Trobe University, Melbourne, VIC, Australia
| | - Maoshan Chen
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science (LIMS), La Trobe University, Melbourne, VIC, Australia
- Australian Centre for Blood Diseases, Alfred Hospital, Monash University, Melbourne, VIC, Australia
| | - David W Greening
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science (LIMS), La Trobe University, Melbourne, VIC, Australia
- Molecular Proteomics, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia
| | - Rong Xu
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science (LIMS), La Trobe University, Melbourne, VIC, Australia
| | - Richard J Simpson
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science (LIMS), La Trobe University, Melbourne, VIC, Australia.
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93
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Kuriyama N, Yoshioka Y, Kikuchi S, Azuma N, Ochiya T. Extracellular Vesicles Are Key Regulators of Tumor Neovasculature. Front Cell Dev Biol 2020; 8:611039. [PMID: 33363175 PMCID: PMC7755723 DOI: 10.3389/fcell.2020.611039] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 11/16/2020] [Indexed: 12/24/2022] Open
Abstract
Tumor progression involves a series of biologically important steps in which the crosstalk between cancer cells and the surrounding environment is an important issue. Angiogenesis is a key tumorigenic phenomenon for cancer progression. Tumor-related extracellular vesicles (EVs) modulate the tumor microenvironment (TME) through cell-to-cell communication. Tumor cells in a hypoxic TME release more EVs than cells in a normoxic environment due to uncontrollable tumor proliferation. Tumor-derived EVs in the TME influence endothelial cells (ECs), which then play multiple roles, contributing to tumor angiogenesis, loss of the endothelial vascular barrier by binding to ECs, and subsequent endothelial-to-mesenchymal transition. In contrast, they also indirectly induce tumor angiogenesis through the phenotype switching of various cells into cancer-associated fibroblasts, the activation of tumor-associated ECs and platelets, and remodeling of the extracellular matrix. Here, we review current knowledge regarding the involvement of EVs in tumor vascular-related cancer progression.
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Affiliation(s)
- Naoya Kuriyama
- Division of Molecular and Cellular Medicine, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan.,Department of Vascular Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Yusuke Yoshioka
- Division of Molecular and Cellular Medicine, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan
| | - Shinsuke Kikuchi
- Department of Vascular Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Nobuyoshi Azuma
- Department of Vascular Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Takahiro Ochiya
- Division of Molecular and Cellular Medicine, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan
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94
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Potential Roles of Tumor Cell- and Stroma Cell-Derived Small Extracellular Vesicles in Promoting a Pro-Angiogenic Tumor Microenvironment. Cancers (Basel) 2020; 12:cancers12123599. [PMID: 33276428 PMCID: PMC7760552 DOI: 10.3390/cancers12123599] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 11/29/2020] [Accepted: 11/30/2020] [Indexed: 12/13/2022] Open
Abstract
Simple Summary In this review, we focus on the distinct functions of tumor-cell-derived small extracellular vesicles in promotion of angiogenesis and describe their potential as a therapeutic target for anti-angiogenic therapies. Also, we focus on extracellular vesicles derived from non-cancer cells and their potential role in stimulating a pro-angiogenic tumor microenvironment. The article describes the biogenesis of small extracellular vesicles and refers to their proteomic cargo components that play a role in promoting angiogenesis. Moreover, we explain how small extracellular vesicles derived from tumors and non-cancer cells can interact with recipient cells and alter their functions. We particularly focus on phenotypical and functional changes in endothelial cells, macrophages, and neutrophils that result in proangiogenic signaling. Abstract Extracellular vesicles (EVs) are produced and released by all cells and are present in all body fluids. They exist in a variety of sizes, however, small extracellular vesicles (sEVs), the EV subset with a size range from 30 to 150 nm, are of current interest. They are characterized by a distinct biogenesis and complex cargo composition, which reflects the cytosolic contents and cell-surface molecules of the parent cells. This cargo consists of proteins, nucleic acids, and lipids and is competent in inducing signaling cascades in recipient cells after surface interactions or in initiating the generation of a functional protein by delivering nucleic acids. Based on these characteristics, sEVs are now considered as important mediators of intercellular communication. One hallmark of sEVs is the promotion of angiogenesis. It was shown that sEVs interact with endothelial cells (ECs) and promote an angiogenic phenotype, ultimately leading to increased vascularization of solid tumors and disease progression. It was also shown that sEVs reprogram cells in the tumor microenvironment (TME) and act in a functionally cooperative fashion to promote angiogenesis by a paracrine mechanism involving the differential expression and secretion of angiogenic factors from other cell types. In this review, we will focus on the distinct functions of tumor-cell-derived sEVs (TEX) in promotion of angiogenesis and describe their potential as a therapeutic target for anti-angiogenic therapies. Also, we will focus on non-cancer stroma-cell-derived small extracellular vesicles and their potential role in stimulating a pro-angiogenic TME.
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95
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Shi J, Zhang Y, Yao B, Sun P, Hao Y, Piao H, Zhao X. Role of Exosomes in the Progression, Diagnosis, and Treatment of Gliomas. Med Sci Monit 2020; 26:e924023. [PMID: 33245712 PMCID: PMC7706139 DOI: 10.12659/msm.924023] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Gliomas are the most common primary malignant brain tumors associated with a low survival rate. Even after surgery, radiotherapy, and chemotherapy, gliomas still have a poor prognosis. Extracellular vesicles are a heterogeneous group of cell-derived membranous structures. Exosomes are a type of extracellular vesicles, their size ranges from 30 nm to 100 nm. Recent studies have proved that glioma cells could release numerous exosomes; therefore, exosomes have gained increasing attention in glioma-related research. Recent studies have confirmed the importance of extracellular vesicles, particularly exosomes, in the development of brain tumors, including gliomas. Exosomes mediate intercellular communication in the tumor microenvironment by transporting biomolecules (proteins, lipids, deoxyribonucleic acid, and ribonucleic acid); thereby playing a prominent role in tumor proliferation, differentiation, metastasis, and resistance to chemotherapy or radiation. Given their nanoscale size, exosomes can traverse the blood-brain barrier and promote tumor progression by modifying the tumor microenvironment. Based on their structural and functional characteristics, exosomes are demonstrating their value not only as diagnostic and prognostic markers, but also as tools in therapies specifically targeting glioma cells. Therefore, exosomes are a promising therapeutic target for the diagnosis, prognosis, and treatment of malignant gliomas. More research will be needed before exosomes can be used in clinical applications. Here, we describe the exosomes, their morphology, and their roles in the diagnosis and progression of gliomas. In addition, we discuss the potential of exosomes as a therapeutic target/drug delivery system for patients with gliomas.
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Affiliation(s)
- Ji Shi
- Department of Neurosurgery, Cancer Hospital of China Medical University, Shenyang, Liaoning, China (mainland)
| | - Ye Zhang
- Department of Neurosurgery, Cancer Hospital of China Medical University, Shenyang, Liaoning, China (mainland)
| | - Bing Yao
- Department of Neurosurgery, Cancer Hospital of China Medical University, Shenyang, Liaoning, China (mainland)
| | - Peixin Sun
- Department of Neurosurgery, Cancer Hospital of China Medical University, Shenyang, Liaoning, China (mainland)
| | - Yuanyuan Hao
- Department of Neurosurgery, Cancer Hospital of China Medical University, Shenyang, Liaoning, China (mainland)
| | - Haozhe Piao
- Department of Neurosurgery, Cancer Hospital of China Medical University, Shenyang, Liaoning, China (mainland)
| | - Xi Zhao
- Department of Anesthesia, Cancer Hospital of China Medical University, Shenyang, Liaoning, China (mainland)
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Chai Y, Wu HT, Liang CD, You CY, Xie MX, Xiao SW. Exosomal lncRNA ROR1-AS1 Derived from Tumor Cells Promotes Glioma Progression via Regulating miR-4686. Int J Nanomedicine 2020; 15:8863-8872. [PMID: 33204092 PMCID: PMC7667171 DOI: 10.2147/ijn.s271795] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 10/15/2020] [Indexed: 12/14/2022] Open
Abstract
Objective Glioma is one of the most common central nervous system malignant tumors, accounting for 45%–60% of adult intracranial tumors. However, the clinical treatment of glioma is limited. It is of great significance to seek new therapeutic methods for glioma via gene therapy. Materials and Methods Microarray is used to identify the lncRNAs that are differentially expressed in glioma. The expression of long non-coding RNA (lncRNA) ROR1-AS1 and miR-4686 was detected by qRT-PCR. Exosomes were isolated from the supernatant of normal and cancerous cells, and TEM was used for exosomes identification. MTT assay, wound healing assay, transwell assay, and colony formation assay were used to detect the exo-ROR1-AS1 function on proliferation, migration, and invasion in glioma cells. Luciferase assay and RIP assay were used to identify the relationship between lncRNA ROR1-AS1 and miR-4686. The effect of exo-ROR1-AS1 on tumorigenesis of glioma was confirmed by the xenograft nude mice model. Results ROR1-AS1 was up-regulated in glioma tissues, and the high expression of ROR1-AS1 indicated a poor prognosis in glioma patients. Interestingly, ROR1-AS1 was packaged into exosomes and derived from tumor cells. Functional analysis showed exo-ROR1-AS1 promoted the progression of glioma cell lines SHG44 and U251. Furthermore, ROR1-AS1 acted as a sponge of miR-4686 and inhibited its expression. Functionally, forced expression of miR-4686 removed the promoted effects of lncRNA ROR1-AS1 on glioma development. In vivo tumorigenesis experiments showed that exo-ROR1-AS1 promoted glioma development via miR-4686 axis. Conclusion Our study suggested tumor cells derived exo-ROR1-AS1 promoted glioma progression by inhibiting miR-4686, which might be a potential therapeutic target for glioma clinical treatment.
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Affiliation(s)
- Yang Chai
- Department of Neurosurgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China
| | - Hai-Tao Wu
- Department of Neurosurgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China
| | - Chuan-Dong Liang
- Department of Neurosurgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China
| | - Chun-Yue You
- Department of Neurosurgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China
| | - Ming-Xiang Xie
- Department of Neurosurgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China
| | - Shun-Wu Xiao
- Department of Neurosurgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, People's Republic of China
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97
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Uddin MN, Wang X. The landscape of long non-coding RNAs in tumor stroma. Life Sci 2020; 264:118725. [PMID: 33166593 DOI: 10.1016/j.lfs.2020.118725] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Revised: 10/26/2020] [Accepted: 11/03/2020] [Indexed: 02/06/2023]
Abstract
AIMS Long non-coding RNAs (lncRNAs) are associated with cancer development, while their relationship with the cancer-associated stromal components remains poorly understood. In this review, we performed a broad description of the functional landscape of stroma-associated lncRNAs in various cancers and their roles in regulating the tumor-stroma crosstalk. MATERIALS AND METHODS We carried out a systematic literature review of PubMed, Scopus, Medline, Bentham, and EMBASE (Elsevier) databases by using the keywords "LncRNAs in cancer," "LncRNAs in tumor stroma," "stroma," "cancer-associated stroma," "stroma in the tumor microenvironment," "tumor-stroma crosstalk," "drug resistance of stroma," and "stroma in immunosuppression" till July 2020. We collected the latest articles addressing the biological functions of stroma-associated lncRNAs in cancer. KEY FINDINGS These articles reported that dysregulated stroma-associated lncRNAs play significant roles in modulating the tumor microenvironment (TME) by the regulation of tumor-stroma crosstalk, epithelial to mesenchymal transition (EMT), endothelial to mesenchymal transition (EndMT), extracellular matrix (ECM) turnover, and tumor immunity. SIGNIFICANCE The tumor stroma is a substantial portion of the TME, and the dysregulation of tumor stroma-associated lncRNAs significantly contributes to cancer initiation, progression, angiogenesis, immune evasion, metastasis, and drug resistance. Thus, stroma-associated lncRNAs could be potentially useful targets for cancer therapy.
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Affiliation(s)
- Md Nazim Uddin
- Biomedical Informatics Research Lab, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 211198, China; Cancer Genomics Research Center, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 211198, China; Big Data Research Institute, China Pharmaceutical University, Nanjing 211198, China; Institute of Food Science and Technology, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka 1205, Bangladesh
| | - Xiaosheng Wang
- Biomedical Informatics Research Lab, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 211198, China; Cancer Genomics Research Center, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 211198, China; Big Data Research Institute, China Pharmaceutical University, Nanjing 211198, China.
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Zhang C, Luo Y, Cao J, Wang X, Miao Z, Shao G. Exosomal lncRNA FAM225A accelerates esophageal squamous cell carcinoma progression and angiogenesis via sponging miR-206 to upregulate NETO2 and FOXP1 expression. Cancer Med 2020; 9:8600-8611. [PMID: 33006432 PMCID: PMC7666726 DOI: 10.1002/cam4.3463] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 08/12/2020] [Accepted: 08/15/2020] [Indexed: 01/01/2023] Open
Abstract
Esophageal cancer is one of the leading causes of cancer‐related deaths worldwide. FAM225A is a novel lncRNA, only has been explored in nasopharyngeal carcinoma tumorigenesis. This study aims to investigate the regulatory mechanism of FAM225A in esophageal squamous cell carcinoma (ESCC). We discovered that FAM225A exhibited higher expression in ESCC. The silence of FAM225A attenuated cell viability, migration, and invasion, but facilitated cell apoptosis in ESCC. Exosome‐mediated transfer of lncRNA FAM225A could participate in ESCC progression. In addition, we found that miR‐206 bound to FAM225A. Moreover, we further demonstrated that FAM225A absorbed miR‐206 to upregulate NETO2 and FOXP1 expression, and FOXP1 acted as a transcription factor to enhance FAM225A expression. Eventually, it was revealed that the overexpression of NETO2 or FOXP1 rescued the effects of FAM225A repression on ESCC progression. Our results suggested that FAM225A upregulated NETO2 and FOXP1 expression by sponging miR‐206 to accelerate ESCC progression and angiogenesis. These results determined the biological role of lncRNA FAM225A in ESCC tumorigenesis, and FAM225A may be a promising biomarker for ESCC treatment.
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Affiliation(s)
- Chunyu Zhang
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, P.R. China
| | - Yan Luo
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, P.R. China
| | - Jingjing Cao
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, P.R. China
| | - Xiaoyu Wang
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, P.R. China
| | - Zhiwei Miao
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, P.R. China
| | - Guoqing Shao
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, P.R. China
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Teppan J, Barth DA, Prinz F, Jonas K, Pichler M, Klec C. Involvement of Long Non-Coding RNAs (lncRNAs) in Tumor Angiogenesis. Noncoding RNA 2020; 6:ncrna6040042. [PMID: 32992718 PMCID: PMC7711482 DOI: 10.3390/ncrna6040042] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 09/21/2020] [Accepted: 09/23/2020] [Indexed: 12/30/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) are defined as non-protein coding transcripts with a minimal length of 200 nucleotides. They are involved in various biological processes such as cell differentiation, apoptosis, as well as in pathophysiological processes. Numerous studies considered that frequently deregulated lncRNAs contribute to all hallmarks of cancer including metastasis, drug resistance, and angiogenesis. Angiogenesis, the formation of new blood vessels, is crucial for a tumor to receive sufficient amounts of nutrients and oxygen and therefore, to grow and exceed in its size over the diameter of 2 mm. In this review, the regulatory mechanisms of lncRNAs are described, which influence tumor angiogenesis by directly or indirectly regulating oncogenic pathways, interacting with other transcripts such as microRNAs (miRNAs) or modulating the tumor microenvironment. Further, angiogenic lncRNAs occurring in several cancer types such as liver, gastrointestinal cancer, or brain tumors are summarized. Growing evidence on the influence of lncRNAs on tumor angiogenesis verified these transcripts as potential predictive or diagnostic biomarkers or therapeutic targets of anti-angiogenesis treatment. However, there are many unsolved questions left which are pointed out in this review, hence driving comprehensive research in this area is necessary to enable an effective use of lncRNAs as either therapeutic molecules or diagnostic targets in cancer.
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Affiliation(s)
- Julia Teppan
- Research Unit of Non-Coding RNAs and Genome Editing in Cancer, Division of Clinical Oncology, Department of Internal Medicine, Comprehensive Cancer Center Graz, Medical University of Graz, 8036 Graz, Austria; (J.T.); (D.A.B.); (F.P.); (K.J.); (C.K.)
| | - Dominik A. Barth
- Research Unit of Non-Coding RNAs and Genome Editing in Cancer, Division of Clinical Oncology, Department of Internal Medicine, Comprehensive Cancer Center Graz, Medical University of Graz, 8036 Graz, Austria; (J.T.); (D.A.B.); (F.P.); (K.J.); (C.K.)
- Department of Experimental Therapeutics, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Felix Prinz
- Research Unit of Non-Coding RNAs and Genome Editing in Cancer, Division of Clinical Oncology, Department of Internal Medicine, Comprehensive Cancer Center Graz, Medical University of Graz, 8036 Graz, Austria; (J.T.); (D.A.B.); (F.P.); (K.J.); (C.K.)
| | - Katharina Jonas
- Research Unit of Non-Coding RNAs and Genome Editing in Cancer, Division of Clinical Oncology, Department of Internal Medicine, Comprehensive Cancer Center Graz, Medical University of Graz, 8036 Graz, Austria; (J.T.); (D.A.B.); (F.P.); (K.J.); (C.K.)
| | - Martin Pichler
- Research Unit of Non-Coding RNAs and Genome Editing in Cancer, Division of Clinical Oncology, Department of Internal Medicine, Comprehensive Cancer Center Graz, Medical University of Graz, 8036 Graz, Austria; (J.T.); (D.A.B.); (F.P.); (K.J.); (C.K.)
- Department of Experimental Therapeutics, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
- Correspondence: ; Tel.: +43-316-385-72914
| | - Christiane Klec
- Research Unit of Non-Coding RNAs and Genome Editing in Cancer, Division of Clinical Oncology, Department of Internal Medicine, Comprehensive Cancer Center Graz, Medical University of Graz, 8036 Graz, Austria; (J.T.); (D.A.B.); (F.P.); (K.J.); (C.K.)
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100
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Wang Y, Zhang M, Zhou F. Biological functions and clinical applications of exosomal long non-coding RNAs in cancer. J Cell Mol Med 2020; 24:11656-11666. [PMID: 32924276 PMCID: PMC7578871 DOI: 10.1111/jcmm.15873] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 08/25/2020] [Accepted: 08/26/2020] [Indexed: 12/15/2022] Open
Abstract
Exosomes are extracellular vesicles secreted by donor cells, and one of the important roles of exosomes is intercellular communication. Exosomes contain proteins, lipids, DNA and RNA. The components exert their functions by modulating the cellular processes of recipient cells. Exosomal long non‐coding RNAs (lncRNAs) are important components and play multiple roles in tumorigenesis and tumour development. In this review, we summarize the biological functions and clinical applications of exosomal lncRNAs in cancer. Exosomal lncRNAs regulate cell proliferation, metastasis, drug resistance and angiogenesis in human cancers. Since exosomal lncRNAs are associated with clinicopathological characteristics of cancer, these might be potentially useful biomarkers for diagnosis and prognosis of cancer. Exosomal lncRNAs participate in multiple processes of cancer progression, which makes them promising therapeutic targets for cancer treatment.
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Affiliation(s)
- Yali Wang
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, China
| | - Mengdi Zhang
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, China
| | - Fangfang Zhou
- Institutes of Biology and Medical Science, Soochow University, Suzhou, China
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