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Andrade R, Ribeiro IP, Carreira IM, Tralhão JG. The Diagnostic and Prognostic Potentials of Non-Coding RNA in Cholangiocarcinoma. Int J Mol Sci 2024; 25:6002. [PMID: 38892191 PMCID: PMC11172565 DOI: 10.3390/ijms25116002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 05/13/2024] [Accepted: 05/28/2024] [Indexed: 06/21/2024] Open
Abstract
Cholangiocarcinoma (CCA) is a rare biliary tract tumor with high malignancy. CCA is the second most common primary hepatobiliary cancer after hepatocarcinoma. Despite its rarity, the incidence of CCA is steadily increasing globally. Most patients with CCA are asymptomatic in the early stages, resulting in a late-stage diagnosis and poor prognosis. Finding reliable biomarkers is essential to improve CCA's early diagnosis and survival rate. Non-coding RNAs (ncRNAs) are non-protein coding RNAs produced by genomic transcription. This includes microRNAs, long non-coding RNAs, and circular RNAs. ncRNAs have multiple functions in regulating gene expression and are crucial for maintaining normal cell function and developing diseases. Many studies have shown that aberrantly expressed ncRNAs can regulate the occurrence and development of CCA. ncRNAs can be easily extracted and detected through tumor tissue and liquid biopsies, representing a potential tool for diagnosing and prognosis CCA. This review will provide a detailed update on the diagnostic and prognostic potentials of lncRNAs and cirRNAs as biomarkers in CCA.
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Affiliation(s)
- Rita Andrade
- Surgery Department, Centro Hospitalar e Universitario de Coimbra EPE (CHUC), 3000-075 Coimbra, Portugal;
- Clinical Academic Center of Coimbra, Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal
| | - Ilda Patrícia Ribeiro
- Clinical Academic Center of Coimbra, Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal
- Cytogenetics and Genomics Laboratory, Institute of Cellular and Molecular Biology, Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal
- Coimbra Institute for Clinical and Biomedical Research (CBR) and Center of Investigation on Environment Genetics and Oncobiology (CIMAGO), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, 3000-548 Coimbra, Portugal
| | - Isabel Marques Carreira
- Clinical Academic Center of Coimbra, Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal
- Cytogenetics and Genomics Laboratory, Institute of Cellular and Molecular Biology, Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal
- Coimbra Institute for Clinical and Biomedical Research (CBR) and Center of Investigation on Environment Genetics and Oncobiology (CIMAGO), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, 3000-548 Coimbra, Portugal
| | - José Guilherme Tralhão
- Surgery Department, Centro Hospitalar e Universitario de Coimbra EPE (CHUC), 3000-075 Coimbra, Portugal;
- Clinical Academic Center of Coimbra, Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal
- Coimbra Institute for Clinical and Biomedical Research (CBR) and Center of Investigation on Environment Genetics and Oncobiology (CIMAGO), Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, 3000-548 Coimbra, Portugal
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Zhong D, Wang Z, Ye Z, Wang Y, Cai X. Cancer-derived exosomes as novel biomarkers in metastatic gastrointestinal cancer. Mol Cancer 2024; 23:67. [PMID: 38561768 PMCID: PMC10983767 DOI: 10.1186/s12943-024-01948-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 01/26/2024] [Indexed: 04/04/2024] Open
Abstract
Gastrointestinal cancer (GIC) is the most prevalent and highly metastatic malignant tumor and has a significant impact on mortality rates. Nevertheless, the swift advancement of contemporary technology has not seamlessly aligned with the evolution of detection methodologies, resulting in a deficit of innovative and efficient clinical assays for GIC. Given that exosomes are preferentially released by a myriad of cellular entities, predominantly originating from neoplastic cells, this confers exosomes with a composition enriched in cancer-specific constituents. Furthermore, exosomes exhibit ubiquitous presence across diverse biological fluids, endowing them with the inherent advantages of non-invasiveness, real-time monitoring, and tumor specificity. The unparalleled advantages inherent in exosomes render them as an ideal liquid biopsy biomarker for early diagnosis, prognosticating the potential development of GIC metastasis.In this review, we summarized the latest research progress and possible potential targets on cancer-derived exosomes (CDEs) in GIC with an emphasis on the mechanisms of exosome promoting cancer metastasis, highlighting the potential roles of CDEs as the biomarker and treatment in metastatic GIC.
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Affiliation(s)
- Danyang Zhong
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, 310016, China
| | - Ziyuan Wang
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, 310016, China
| | - Zhichao Ye
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, 310016, China
| | - Yifan Wang
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, 310016, China.
- National Engineering Research Center of Innovation and Application of Minimally Invasive Instruments, Hangzhou, 310016, China.
- Zhejiang Minimal Invasive Diagnosis and Treatment Technology Research Center of Severe Hepatobiliary Disease, Hangzhou, 310016, China.
- Key Laboratory of Laparoscopic Technology of Zhejiang Province, Hangzhou, 310016, China.
| | - Xiujun Cai
- Department of General Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, 310016, China.
- National Engineering Research Center of Innovation and Application of Minimally Invasive Instruments, Hangzhou, 310016, China.
- Zhejiang Minimal Invasive Diagnosis and Treatment Technology Research Center of Severe Hepatobiliary Disease, Hangzhou, 310016, China.
- Key Laboratory of Laparoscopic Technology of Zhejiang Province, Hangzhou, 310016, China.
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Srinivas AN, Suresh D, Kaur S, Kumar DP. The promise of small particles: extracellular vesicles as biomarkers in liver pathology. J Physiol 2023; 601:4953-4971. [PMID: 35708653 DOI: 10.1113/jp283074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 06/07/2022] [Indexed: 11/09/2022] Open
Abstract
Extracellular vesicles (EVs) are nanoscopic packages that are heterogeneous and bona fide players in hepatic physiology and pathology as they are involved in intercellular communication. EVs carrying bioactive cargoes rich in lipids, proteins or nucleic acids are implicated in the onset and progression of liver diseases. Liver pathology using liver biopsy has been assessed for several intricate conditions such as viral hepatitis, alcoholic and non-alcoholic fatty liver disease, hepatic malignancies and drug-induced liver injury. The lacunae, however, lie in early diagnosis and timely treatment of the above conditions, underscoring the need for non-invasive, accurate diagnostic tools that could replace the gold standard method of tissue biopsy. In this regard, EVs have emerged as promising candidates that could serve as potential biomarkers. In the last two decades, EVs, owing to their multifaceted charm in bringing out cell-free therapeutic responses and the ability of their cargoes to be applied to novel biomarkers, have drawn the great attention of researchers with the advancement and clinical application of liquid biopsy. In this review, we recapitulate the role of EVs and provide insights into the promising role of these small packages as biomarkers in liver pathology.
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Affiliation(s)
- Akshatha N Srinivas
- Department of Biochemistry, CEMR, JSS Medical College, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
| | - Diwakar Suresh
- Department of Biochemistry, CEMR, JSS Medical College, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
| | - Savneet Kaur
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences (ILBS), New Delhi, India
| | - Divya P Kumar
- Department of Biochemistry, CEMR, JSS Medical College, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
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Zhou Z, Chen C, Han B, Wang Y, Liu Y, Liu Q, Xu X, Yin Y, Sun B. Circular RNA in cholangiocarcinoma: A systematic review and bibliometric analysis. Pathol Res Pract 2023; 249:154755. [PMID: 37651837 DOI: 10.1016/j.prp.2023.154755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 08/06/2023] [Accepted: 08/08/2023] [Indexed: 09/02/2023]
Abstract
BACKGROUND Cholangiocarcinoma (CCA) is a common primary liver malignancy with a poor prognosis. Many studies have demonstrated the involvement of circular RNAs (circRNAs) in tumorigenesis and progression. METHODS Four online databases (PubMed, Web of Science, Embase, and Scopus) were searched on May 04, 2023, for original papers regarding CCA and circRNAs. Bibliometric analysis of included studies was performed on R Studio and GraphPad Prism. RESULTS Thirty studies were included in the systematic review and bibliometric analysis. The systematic review showed that circRNAs were involved in CCA proliferation, invasion, metastasis, chemotherapy resistance, and other biological processes and were related to the prognosis of patients and many clinicopathological features. Exosomal circRNAs provide a new idea for the early diagnosis of CCA. The bibliometric analysis showed a significant upward trend in the number of studies on CCA and circRNAs. The 30 included papers had 201 authors and were published in 22 English journals. The first paper was published in 2018, and the second paper was the most cited (148 citations). CONCLUSION This systematic review and bibliometric analysis demonstrates that circRNAs in CCA have not been studied enough. CircRNAs play an important role in the occurrence and progression of CCA. They may become new targets for the diagnosis, treatment, and prognostic monitoring of CCA.
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Affiliation(s)
- Zheyu Zhou
- Department of General Surgery, Nanjing Drum Tower Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Graduate School of Peking Union Medical College, Nanjing 210008, China
| | - Chaobo Chen
- Department of General Surgery, Xishan People's Hospital of Wuxi City, Wuxi 214105, China; Department of Hepatobiliary and Transplantation Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Bing Han
- Department of Hepatobiliary and Transplantation Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Yinyu Wang
- School of Medicine, Jiangsu University, Zhenjiang 212013, China
| | - Yang Liu
- Department of Hepatobiliary and Transplantation Surgery, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Qiaoyu Liu
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - Xiaoliang Xu
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China.
| | - Yin Yin
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China.
| | - Beicheng Sun
- Department of General Surgery, Nanjing Drum Tower Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Graduate School of Peking Union Medical College, Nanjing 210008, China; Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China.
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Miao S, Zhang Q. Circulating circRNA: a social butterfly in tumors. Front Oncol 2023; 13:1203696. [PMID: 37546422 PMCID: PMC10401440 DOI: 10.3389/fonc.2023.1203696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 06/20/2023] [Indexed: 08/08/2023] Open
Abstract
Circular RNAs (circRNAs) are a class of single-stranded non-coding RNAs that form circular structures through irregular splicing or post-splicing events. CircRNAs are abnormally expressed in many cancers and regulate the occurrence and development of tumors. Circulating circRNAs are cell-free circRNAs present in peripheral blood, they are considered promising biomarkers due to their high stability. In recent years, more and more studies have revealed that circulating circRNAs participate in various cellular communication and regulate the occurrence and development of tumors, which involve many pathological processes such as tumorigenesis, tumor-related immunity, tumor angiogenesis, and tumor metastasis. Understanding the role of cell communication mediated by circulating circRNAs in tumor will further reveal the value and significance behind their use as biomarkers and potential therapeutic targets. In this review, we summarize the recent findings and provide an overview of the cell-cell communication mediated by circulating circRNAs, aiming to explore the role and application value of circulating circRNAs in tumors.
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Affiliation(s)
- Shuo Miao
- Department of Urology, Affiliated Hospital of Qingdao University, Qingdao, China
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Qingsong Zhang
- Department of Urology, Affiliated Hospital of Qingdao University, Qingdao, China
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Sun S, Zhang Y, Li Y, Wei L. Crosstalk between colorectal cancer cells and cancer-associated fibroblasts in the tumor microenvironment mediated by exosomal noncoding RNAs. Front Immunol 2023; 14:1161628. [PMID: 37234178 PMCID: PMC10206140 DOI: 10.3389/fimmu.2023.1161628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 05/02/2023] [Indexed: 05/27/2023] Open
Abstract
Colorectal cancer (CRC) is a common malignant tumor of the digestive system, and its morbidity rates are increasing worldwide. Cancer-associated fibroblasts (CAFs), as part of the tumor microenvironment (TME), are not only closely linked to normal fibroblasts, but also can secrete a variety of substances (including exosomes) to participate in the regulation of the TME. Exosomes can play a key role in intercellular communication by delivering intracellular signaling substances (e.g., proteins, nucleic acids, non-coding RNAs), and an increasing number of studies have shown that non-coding RNAs of exosomal origin from CAFs are not only closely associated with the formation of the CRC microenvironment, but also increase the ability of CRC to grow in metastasis, mediate tumor immunosuppression, and are involved in the mechanism of drug resistance in CRC patients receiving. It is also involved in the mechanism of drug resistance after radiotherapy in CRC patients. In this paper, we review the current status and progress of research on CAFs-derived exosomal non-coding RNAs in CRC.
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Affiliation(s)
| | | | | | - Linlin Wei
- Department of Radiotherapy, Liaoning Cancer Hospital & Institute, Cancer Hospital of China Medical University, Shenyang, Liaoning, China
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Dong Y, Gao Q, Chen Y, Zhang Z, Du Y, Liu Y, Zhang G, Li S, Wang G, Chen X, Liu H, Han L, Ye Y. Identification of CircRNA signature associated with tumor immune infiltration to predict therapeutic efficacy of immunotherapy. Nat Commun 2023; 14:2540. [PMID: 37137884 PMCID: PMC10156742 DOI: 10.1038/s41467-023-38232-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 04/17/2023] [Indexed: 05/05/2023] Open
Abstract
Circular RNAs (circRNAs) play important roles in the regulation of cancer. However, the clinical implications and regulatory networks of circRNAs in cancer patients receiving immune checkpoint blockades (ICB) have not been fully elucidated. Here, we characterize circRNA expression profiles in two independent cohorts of 157 ICB-treated advanced melanoma patients and reveal overall overexpression of circRNAs in ICB non-responders in both pre-treatment and early during therapy. Then, we construct circRNA-miRNA-mRNA regulatory networks to reveal circRNA-related signaling pathways in the context of ICB treatment. Further, we construct an ICB-related circRNA signature (ICBcircSig) score model based on progression-free survival-related circRNAs to predict immunotherapy efficacy. Mechanistically, the overexpression of ICBcircSig circTMTC3 and circFAM117B could increase PD-L1 expression via the miR-142-5p/PD-L1 axis, thus reducing T cell activity and leading to immune escape. Overall, our study characterizes circRNA profiles and regulatory networks in ICB-treated patients, and highlights the clinical utility of circRNAs as predictive biomarkers of immunotherapy.
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Affiliation(s)
- Yu Dong
- Department of Dermatology, Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Clinical Research Center for Cancer Immunotherapy, Furong Laboratory, Changsha, Hunan, 410008, P. R. China
- Center for Immune-Related Diseases at Shanghai Institute of Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, P. R. China
- Shanghai Institute of Immunology, State Key Laboratory of Oncogenes and Related Genes, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
- Lin Gang Laboratory, Shanghai, 200025, China
| | - Qian Gao
- Department of Dermatology, Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Clinical Research Center for Cancer Immunotherapy, Furong Laboratory, Changsha, Hunan, 410008, P. R. China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, Hunan, 410008, P. R. China
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yong Chen
- Department of Musculoskeletal Surgery, Fudan University Shanghai Cancer Center, Shanghai, 200032, P. R. China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, P. R. China
| | - Zhao Zhang
- Department of Biochemistry and Molecular Biology, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
- MOE Key Laboratory of Metabolism and Molecular Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, 200433, P. R. China
| | - Yanhua Du
- Center for Immune-Related Diseases at Shanghai Institute of Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, P. R. China
- Shanghai Institute of Immunology, State Key Laboratory of Oncogenes and Related Genes, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Yuan Liu
- Department of Biochemistry and Molecular Biology, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
- Center for Epigenetics and Disease Prevention, Institute of Biosciences and Technology, Texas A&M University, Houston, TX, 77030, USA
- Department of Translational Medical Sciences, College of Medicine, Texas A&M University, Houston, TX, 77030, USA
| | - Guangxiong Zhang
- Lin Gang Laboratory, Shanghai, 200025, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, Hunan, 410008, P. R. China
| | - Shengli Li
- Precision Research Center for Refractory Diseases, Institute for Clinical Research, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine (SJTU-SM), Shanghai, 201620, China
| | - Gaoyang Wang
- Center for Immune-Related Diseases at Shanghai Institute of Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, P. R. China
- Shanghai Institute of Immunology, State Key Laboratory of Oncogenes and Related Genes, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Xiang Chen
- Department of Dermatology, Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Clinical Research Center for Cancer Immunotherapy, Furong Laboratory, Changsha, Hunan, 410008, P. R. China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, Hunan, 410008, P. R. China.
| | - Hong Liu
- Department of Dermatology, Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Clinical Research Center for Cancer Immunotherapy, Furong Laboratory, Changsha, Hunan, 410008, P. R. China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, Hunan, 410008, P. R. China.
| | - Leng Han
- Department of Biochemistry and Molecular Biology, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA.
- Center for Epigenetics and Disease Prevention, Institute of Biosciences and Technology, Texas A&M University, Houston, TX, 77030, USA.
- Department of Translational Medical Sciences, College of Medicine, Texas A&M University, Houston, TX, 77030, USA.
| | - Youqiong Ye
- Center for Immune-Related Diseases at Shanghai Institute of Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, P. R. China.
- Shanghai Institute of Immunology, State Key Laboratory of Oncogenes and Related Genes, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
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Saengboonmee C, Obchoei S, Sawanyawisuth K, Wongkham S. Revision of potential prognostic markers of cholangiocarcinoma for clinical practice. Expert Rev Anticancer Ther 2023; 23:517-530. [PMID: 37052887 DOI: 10.1080/14737140.2023.2203386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
INTRODUCTION Cholangiocarcinoma (CCA) is an aggressive cancer arising from any part of the biliary system. Effective treatment of CCA remains limited, resulting in the poor overall prognosis of patients. The effective prognostic biomarkers for CCA remain lacking, and most are at the research level. AREAS COVERED The incidences of CCAs, classification, genetic and molecular characteristics, and distinct clinical outcomes in each subtype are introduced. The prognostic markers currently used in clinical practice are reviewed. Studies of biomarkers in defining the aggressiveness of CCA, identifying patients with a potential tumor recurrence, and predicting the survival time, are reviewed. Emerging biomarkers discovered from advanced high throughput technology over the past five years are updated and summarized. Finally, in-depth and critical revision on the prognostic biomarkers for CCA reported from various sources of specimens, e.g. tissues, blood, bile, etc. are discussed. CONCLUSION Many prognostic biomarkers for CCA have been proposed and hold promising clinical value. However, these markers are rarely used in the real clinical world due to several factors. Understanding the roles and importance of these prognostic markers may fundamentally impact the therapeutic management of CCA, and hopefully, improve the development of custom and patient-directed therapies for CCA.
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Affiliation(s)
- Charupong Saengboonmee
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
- Center for Translational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Sumalee Obchoei
- Division of Health and Applied Sciences, Faculty of Science, Prince of Songkla University, Songkhla 90110, Thailand
| | - Kanlayanee Sawanyawisuth
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
- Center for Translational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Sopit Wongkham
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
- Center for Translational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
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Ikeda Y, Morikawa S, Nakashima M, Yoshikawa S, Taniguchi K, Sawamura H, Suga N, Tsuji A, Matsuda S. CircRNAs and RNA-Binding Proteins Involved in the Pathogenesis of Cancers or Central Nervous System Disorders. Noncoding RNA 2023; 9:ncrna9020023. [PMID: 37104005 PMCID: PMC10142617 DOI: 10.3390/ncrna9020023] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/21/2023] [Accepted: 03/29/2023] [Indexed: 04/03/2023] Open
Abstract
Circular RNAs (circRNAs), a newly recognized group of noncoding RNA transcripts, have established widespread attention due to their regulatory role in cell signaling. They are covalently closed noncoding RNAs that form a loop, and are typically generated during the splicing of precursor RNAs. CircRNAs are key post-transcriptional and post-translational regulators of gene expression programs that might influence cellular response and/or function. In particular, circRNAs have been considered to function as sponges of specific miRNA, regulating cellular processes at the post-transcription stage. Accumulating evidence has shown that the aberrant expression of circRNAs could play a key role in the pathogenesis of several diseases. Notably, circRNAs, microRNAs, and several RNA-binding proteins, including the antiproliferative (APRO) family proteins, could be indispensable gene modulators, which might be strongly linked to the occurrence of diseases. In addition, circRNAs have attracted general interest for their stability, abundance in the brain, and their capability to cross the blood–brain barrier. Here, we present the current findings and theragnostic potentials of circRNAs in several diseases. With this, we aim to provide new insights to support the development of novel diagnostic and/or therapeutic strategies for these diseases.
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Zhang J, Li J, Xiong Y, Li R. Circ_0000284 upregulates RHPN2 to facilitate pancreatic cancer proliferation, metastasis, and angiogenesis through sponging miR-1179. J Biochem Mol Toxicol 2023; 37:e23274. [PMID: 36536496 DOI: 10.1002/jbt.23274] [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: 11/30/2021] [Revised: 08/15/2022] [Accepted: 12/02/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Circular RNA (circRNA) has been confirmed to be a key regulator for pancreatic cancer (PC) progression, but the role of circ_0000284 in PC development remains unclear. METHODS Quantitative real-time PCR was used to measure the expression of circ_0000284, microRNA (miR)-1179, and rhophilin 2 (RHPN2). PC cell proliferation, metastasis, angiogenesis, and apoptosis were assessed by EdU assay, transwell assay, tube formation assay, and flow cytometry. Relative protein expression was determined by western blot analysis. The interaction between miR-1179 and circ_0000284 or RHPN2 was confirmed by dual-luciferase reporter assay and RNA pull-down assay. RESULTS Circ_0000284 was significantly upregulated in PC tissues and cells, and its knockdown inhibited PC cell proliferation, migration, invasion, and angiogenesis while promoting apoptosis. MiR-1179 was downregulated in PC tissues and cells, and it could be sponged by circ_0000284. Moreover, the miR-1179 inhibitor reversed the regulation of circ_0000284 knockdown on PC cell progression. The highly expressed RHPN2 was found in PC tissues and cells, and it could be targeted by miR-1179. Also, circ_0000284 sponged miR-1179 to regulate RHPN2 expression. Overexpressed RHPN2 could reverse the regulation of circ_0000284 knockdown on PC cell progression. In addition, interference of circ_0000284 was discovered to repress PC tumor growth by regulating miR-1179/RHPN2.RHPN2. CONCLUSION To sum up, our data confirmed that circ_0000284 facilitated PC malignant progression depending on the regulation of miR-1179/RHPN2 axis, suggesting that circ_0000284 might be a potential target for PC treatment.
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Affiliation(s)
- Jian Zhang
- Department of Geratic Gastroenterological Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Jiangwei Li
- Department of Geratic Gastroenterological Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yongqiang Xiong
- Department of Geratic Gastroenterological Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Ren Li
- Department of Geratic Gastroenterological Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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Circ_0000284: A risk factor and potential biomarker for prehypertension and hypertension. Hypertens Res 2023; 46:720-729. [PMID: 36543889 DOI: 10.1038/s41440-022-01140-7] [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: 06/13/2022] [Revised: 09/26/2022] [Accepted: 11/18/2022] [Indexed: 12/24/2022]
Abstract
CircRNAs have been shown to be involved in the development of certain diseases, but their application in prehypertension and hypertension remains unclear. We aimed to explore the potential role of circ_0000284 in revealing the molecular regulatory mechanisms of prehypertension and hypertension. We enrolled a total of 100 patients with normal blood pressure, 100 patients with prehypertension and 100 patients with hypertension. The expression of circ_0000284 among the groups was detected by real-time fluorescence quantitative polymerase chain reaction (qRT‒PCR). Multivariate logistic models were constructed combining conventional risk factors with circ_0000284. A receiver operating characteristic curve (ROC) was used to analyze the diagnostic value of circRNAs in the clinical model. Spearman correlation was used to analyze the correlation of circ_0000284 and the biochemical characteristics of all subjects. The results showed that circ_0000284 was differentially expressed among the normal blood pressure group, prehypertensive group and hypertensive group and showed a significantly upregulated trend in the progression to hypertension (P < 0.05). The ROC curve revealed a high diagnostic ability of circ_0000284 in hypertension in the clinical model (AUC = 0.812). Circ_0000284 also presented a certain ability for early diagnosis of prehypertension (AUC = 0.628). Spearman correlation showed that circ_0000284 was positively correlated with Na and CKMB. Our study suggested that upregulated expression of circ_0000284 was an independent risk factor for prehypertension and hypertension. Circ_0000284 was a potential fingerprint for the early diagnosis of hypertension and distinguished the intermediate stage of hypertension development. Moreover, our study provided new insight into the correlation between circ_0000284 and cardiac injury in the progression to hypertension.
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12
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The Tumorigenic Role of Circular RNA-MicroRNA Axis in Cancer. Int J Mol Sci 2023; 24:ijms24033050. [PMID: 36769372 PMCID: PMC9917898 DOI: 10.3390/ijms24033050] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/30/2023] [Accepted: 02/02/2023] [Indexed: 02/09/2023] Open
Abstract
Circular RNAs (circRNAs) are a class of endogenous RNAs that control gene expression at the transcriptional and post-transcriptional levels. Recent studies have increasingly demonstrated that circRNAs act as novel diagnostic biomarkers and promising therapeutic targets for numerous cancer types by interacting with other non-coding RNAs such as microRNAs (miRNAs). The miRNAs are presented as crucial risk factors and regulatory elements in cancer by regulating the expression of their target genes. Some miRNAs are derived from transposable elements (MDTEs) that can transfer their location to another region of the genome. Genetic interactions between miRNAs and circular RNAs can form complex regulatory networks with various carcinogenic processes that play critical roles in tumorigenesis and cancer progression. This review focuses on the biological regulation of the correlative axis among circular RNAs, miRNAs, and their target genes in various cancer types and suggests the biological importance of MDTEs interacting with oncogenic or tumor-suppressive circRNAs in tumor progression.
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13
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Circular RNAs in cholangiocarcinoma. Cancer Lett 2023; 553:215980. [PMID: 36336149 DOI: 10.1016/j.canlet.2022.215980] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 10/19/2022] [Accepted: 10/19/2022] [Indexed: 11/06/2022]
Abstract
Cholangiocarcinoma (CCA) is the most common primary biliary malignancy with an adverse prognosis. Although its incidence is relatively low, early diagnosis is difficult due to the lack of specific symptoms. Current treatment options for CCA are limited, resulting in a low curative rate. Circular RNAs (circRNAs) have become a new research hotspot in recent years, and they are frequently dysregulated in CCA and may become therapeutic targets and prognostic biomarkers of CCA. Accumulating evidence has demonstrated that numerous dysregulated circRNAs are vital players in the etiopathogenesis of CCA. Aberrant expression of specific circRNAs was correlated with unfavourable clinical characteristics in CCA. Many studies have found that circRNAs are involved in the progression and development of CCA through various mechanisms, including competitive inhibition of miRNAs via the competing endogenous RNA (ceRNA) network, interaction with RNA-binding proteins (RBPs), activation of cancer-related signalling pathways, and regulation of proteins and peptides. Additionally, some circRNAs are involved in the inflammatory microenvironment of CCA and play a crucial role in chemotherapy drug resistance. Thus, they are essential for the early diagnosis and prediction of CCA, and more attention should be given to the roles and mechanisms of circRNAs in CCA. In this review, we summarize the abnormal expression of circRNAs in CCA and the specific inflammatory microenvironment involved, as well as the roles and mechanisms of circRNAs in the occurrence and development of CCA. We also review the latest knowle dge on circRNAs in CCA and discuss the challenges associated with the introduction of circRNAs into clinical practice and their potential clinical value.
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14
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Ghafouri-Fard S, Safarzadeh A, Hussen BM, Taheri M, Samsami M. A review on the role of ncRNAs in the pathogenesis of cholangiocarcinoma. Int J Biol Macromol 2023; 225:809-821. [PMID: 36400211 DOI: 10.1016/j.ijbiomac.2022.11.144] [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: 10/20/2022] [Accepted: 11/14/2022] [Indexed: 11/17/2022]
Abstract
Cholangiocarcinoma is a rare tumor but a challenging cancer in terms of pathological changes, clinical manifestations and therapeutic options. Recent studies have provided evidence for participation of non-coding RNAs in the carcinogenic process of cholangiocarcinoma. We demonstrate the role of long non-coding RNAs, microRNAs and circular RNAs in the pathogenesis of cholangiocarcinoma and highlight their significant position as therapeutic targets and biomarkers for this type of cancer. We also list a number of molecular axes comprising these non-coding RNAs that represent potential targets for therapeutic options in cholangiocarcinoma, based on their significant roles in the regulation of cell proliferation, differentiation and apoptosis of these cells.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arash Safarzadeh
- Men's Health and Reproductive Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Bashdar Mahmud Hussen
- Department of Pharmacognosy, College of Pharmacy, Hawler Medical University, Kurdistan Region, Erbil, Iraq; Center of Research and Strategic Studies, Lebanese French University, Erbil, Kurdistan Region, Iraq
| | - Mohammad Taheri
- Institute of Human Genetics, Jena University Hospital, Jena, Germany; Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Majid Samsami
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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15
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Wang X, Wang G, Wu Z, Dong Y, Shi Y, Yang F, Chen X, Wang J, Du S, Xu H, Zheng Y. Exosomal circ-PTPN22 and circ-ADAMTS6 mark T cell exhaustion and neutrophil extracellular traps in Asian intrahepatic cholangiocarcinoma. MOLECULAR THERAPY. NUCLEIC ACIDS 2022; 31:151-163. [PMID: 36700045 PMCID: PMC9841234 DOI: 10.1016/j.omtn.2022.12.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 12/20/2022] [Indexed: 12/25/2022]
Abstract
Intrahepatic cholangiocarcinoma (ICC) is a liver tumor featured by challenges of non-invasive early diagnosis and a higher prevalence rate in Asian countries. These characteristics necessitate the development of liquid biopsy and immunotherapy methods to improve the prognosis of patients with ICC. Herein, we conducted a pilot study on the transcriptome of tumor tissues, adjacent normal tissues, and plasma exosomes of Asian patients with ICC from northern and southern China. We identified a subgroup of immunogenic Asian ICC, which is different from Caucasian ICC and is characterized by T cell exhaustion and neutrophil extracellular traps. The levels of circ-PTPN22 (hsa_circ_0110529) and circ-ADAMTS6 (hsa_circ_0072688), potential circRNA biomarkers, were elevated in the ICC tumor tissues and plasma exosomes of this subgroup than in the other subgroups and normal controls. These circRNAs were derived from post-transcriptional backsplicing of PTPN22 and ADAMTS6 that were expressed in T cells and endothelial cells, respectively, in the ICC microenvironment. Our results revealed a subgroup of Asian ICC characterized by T cell exhaustion and neutrophil extracellular traps and marked by elevated levels of circ-PTPN22 and circ-ADAMTS6 in tumor tissues and plasma exosomes. This subgroup is potentially detectable by plasma exosomal circRNAs and treatable with immune checkpoint blockade.
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Affiliation(s)
- Xuezhu Wang
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China,Peking Union Medical College (PUMC), Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China
| | - Guanqun Wang
- School of Life Sciences, Tsinghua-Peking Center for Life Sciences, Center for Synthetic and Systems Biology, Ministry of Education Key Laboratory of Bioinformatics, Tsinghua University, Beijing 100084, China
| | - Zilong Wu
- Department of Hepatobiliary Surgery, Hunan Provincial People’s Hospital, the First Affiliated Hospital of Hunan Normal University, Changsha 410005, China
| | - Yucheng Dong
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China,Peking Union Medical College (PUMC), Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China
| | - Yue Shi
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China,Peking Union Medical College (PUMC), Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China
| | - Fan Yang
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China
| | - Xinyu Chen
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China,Peking Union Medical College (PUMC), Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China
| | - Jun Wang
- Department of Hepatobiliary Surgery, Hunan Provincial People’s Hospital, the First Affiliated Hospital of Hunan Normal University, Changsha 410005, China
| | - Shunda Du
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China
| | - Haifeng Xu
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China,Corresponding author Haifeng Xu, Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), No.1 Shuaifuyuan Wangfujing, Dongcheng District, Beijing 100730, China.
| | - Yongchang Zheng
- Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), Beijing 100730, China,Corresponding author Yongchang Zheng, Department of Liver Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), No.1 Shuaifuyuan Wangfujing, Dongcheng District, Beijing 100730, China.
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16
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Shen J, Liang C, Su X, Wang Q, Ke Y, Fang J, Zhang D, Duan S. Dysfunction and ceRNA network of the tumor suppressor miR-637 in cancer development and prognosis. Biomark Res 2022; 10:72. [PMID: 36175921 PMCID: PMC9524011 DOI: 10.1186/s40364-022-00419-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 09/13/2022] [Indexed: 11/25/2022] Open
Abstract
MicroRNAs (miRNAs) are a class of small non-coding RNAs ranging from 17 to 25 nt in length. miR-637 is down-regulated in most cancers and up-regulated only in clear cell renal cell carcinoma (ccRCC). miR-637 can target 21 protein-coding genes, which are involved in the regulation of cell growth, cell cycle, cell proliferation, epithelial-mesenchymal transition (EMT), cancer cell invasion and metastasis, etc. In glioma, the transcription factor ZEB2 can bind to the miR-637 promoter region and inhibit miR-637 expression. Besides, miR-637 could be negatively regulated by competing endogenous RNA (ceRNAs) comprising 13 circular RNA (circRNAs) and 9 long non-coding RNA (lncRNAs). miR-637 is involved in regulating five signaling pathways, including the Jak/STAT3, Wnt/β-catenin, PI3K/AKT, and ERK signaling pathways. Low miR-637 expression was significantly associated with larger tumors and later tumor node metastasis (TNM) staging in cancer patients. Low miR-637 expression was also associated with poorer overall survival (OS) in cancer patients such as glioblastoma and low-grade gliomas (GBM/LGG), non-small cell lung cancer (NSCLC), hepatocellular carcinoma (HCC), and ovarian cancer (OV). Low expression of miR-637 increases the resistance of colorectal cancer (CRC) and human cholangiocarcinoma (CHOL) cancer cells to three anticancer chemotherapeutics (gemcitabine (dFdC), cisplatin (DDP), and oxaliplatin (OXA)). Our work summarizes the abnormal expression of miR-637 in various cancers, expounds on the ceRNA regulatory network and signaling pathway involved in miR-637, and summarizes the effect of its abnormal expression on the biological behavior of tumor cells. At the same time, the relationship between the expression levels of miR-637 and its related molecules and the prognosis and pathological characteristics of patients was further summarized. Finally, our work points out the insufficiency of miR-637 in current studies and is expected to provide potential clues for future miR-637-related studies.
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Affiliation(s)
- Jinze Shen
- Department of Clinical Medicine, Zhejiang University City College School of Medicine, Hangzhou, Zhejiang, China
| | - Chenhao Liang
- Department of Clinical Medicine, Zhejiang University City College School of Medicine, Hangzhou, Zhejiang, China
| | - Xinming Su
- Department of Clinical Medicine, Zhejiang University City College School of Medicine, Hangzhou, Zhejiang, China
| | - Qurui Wang
- Department of Clinical Medicine, Zhejiang University City College School of Medicine, Hangzhou, Zhejiang, China
| | - Yufei Ke
- Department of Clinical Medicine, Zhejiang University City College School of Medicine, Hangzhou, Zhejiang, China
| | - Jie Fang
- Department of Clinical Medicine, Zhejiang University City College School of Medicine, Hangzhou, Zhejiang, China
| | - Dayong Zhang
- Department of Clinical Medicine, Zhejiang University City College School of Medicine, Hangzhou, Zhejiang, China.
| | - Shiwei Duan
- Department of Clinical Medicine, Zhejiang University City College School of Medicine, Hangzhou, Zhejiang, China.
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17
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Wang D, Zhang W, Zhang C, Wang L, Chen H, Xu J. Exosomal non-coding RNAs have a significant effect on tumor metastasis. MOLECULAR THERAPY. NUCLEIC ACIDS 2022; 29:16-35. [PMID: 35784014 PMCID: PMC9207556 DOI: 10.1016/j.omtn.2022.05.034] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/10/2023]
Abstract
Exosomes are produced by the majority of eukaryotic cells and are capable of transporting a variety of substances, including non-coding RNAs, between cells. Metastasis is a significant cause of death from cancer. Numerous studies have established an important role for exosomal non-coding RNAs in tumor metastasis. Exosomal non-coding RNAs from a variety of cells have been shown to affect tumor metastasis via several mechanisms. Exosomes transmit non-coding RNAs between tumor cells, fibroblasts, endothelial cells, and immune cells within the tumor microenvironment. Exosomal non-coding RNAs also have an effect on epithelial-mesenchymal transition, angiogenesis, and lymphangiogenesis. Exosomes derived from tumor cells have the ability to transport non-coding RNAs to distant organs, thereby facilitating the formation of the metastatic niche. Due to their role in tumor metastasis, exosomal non-coding RNAs have the potential to serve as diagnostic or prognostic markers as well as therapeutic targets for tumors. The purpose of this paper is to review and discuss the mechanisms of exosomal non-coding RNAs, their role in tumor metastasis, and their clinical utility, aiming to establish new directions for tumor metastasis, diagnosis, and treatment research.
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Affiliation(s)
- Di Wang
- Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
| | - Wei Zhang
- Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
| | - Chunxi Zhang
- Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, P.R. China
| | - Liwei Wang
- Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
| | - Heng Chen
- Shenzhen Key Laboratory of Special Functional Materials, College of Materials Science and Engineering, Shenzhen University, Nanshan District, Shenzhen 518060, P.R. China
- Corresponding author Heng Chen, Shenzhen Key Laboratory of Special Functional Materials, College of Materials Science and Engineering, Shenzhen University, Nanshan District, Shenzhen 518060, P.R. China.
| | - Jianbin Xu
- Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
- Corresponding author Jianbin Xu, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China.
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18
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Yi X, Chen J, Huang D, Feng S, Yang T, Li Z, Wang X, Zhao M, Wu J, Zhong T. Current perspectives on clinical use of exosomes as novel biomarkers for cancer diagnosis. Front Oncol 2022; 12:966981. [PMID: 36119470 PMCID: PMC9472136 DOI: 10.3389/fonc.2022.966981] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Accepted: 08/01/2022] [Indexed: 12/11/2022] Open
Abstract
Exosomes are a heterogeneous subset of extracellular vesicles (EVs) that biogenesis from endosomes. Besides, exosomes contain a variety of molecular cargoes including proteins, lipids and nucleic acids, which play a key role in the mechanism of exosome formation. Meanwhile, exosomes are involved with physiological and pathological conditions. The molecular profile of exosomes reflects the type and pathophysiological status of the originating cells so could potentially be exploited for diagnostic of cancer. This review aims to describe important molecular cargoes involved in exosome biogenesis. In addition, we highlight exogenous factors, especially autophagy, hypoxia and pharmacology, that regulate the release of exosomes and their corresponding cargoes. Particularly, we also emphasize exosome molecular cargoes as potential biomarkers in liquid biopsy for diagnosis of cancer.
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Affiliation(s)
- Xiaomei Yi
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Jie Chen
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Defa Huang
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Shuo Feng
- English Teaching and Research Section, Gannan Healthcare Vocational College, Ganzhou, China
| | - Tong Yang
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Zhengzhe Li
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Xiaoxing Wang
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Minghong Zhao
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Jiyang Wu
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Tianyu Zhong
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
- *Correspondence: Tianyu Zhong,
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19
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Liu Z, Zhou K, Zeng J, Zhou X, Li H, Peng K, Liu X, Feng F, Jiang B, Zhao M, Ma T. Liver kinase B1 in exosomes inhibits immune checkpoint programmed death ligand 1 and metastatic progression of intrahepatic cholangiocarcinoma. Oncol Rep 2022; 48:155. [PMID: 35856436 PMCID: PMC9350976 DOI: 10.3892/or.2022.8367] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 06/27/2022] [Indexed: 11/05/2022] Open
Affiliation(s)
- Zhuo Liu
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Kunyan Zhou
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, D‑30159 Hannover, Germany
| | - Jian Zeng
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Xin Zhou
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Huanyu Li
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Ke Peng
- Scientific Research Department, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Xiang Liu
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Feng Feng
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Bin Jiang
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Ming Zhao
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
| | - Tiexiang Ma
- Third Department of General Surgery, The Central Hospital of Xiangtan, Xiangtan, Hunan 411100, P.R. China
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20
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Tumor Cells-derived exosomal CircRNAs: Novel cancer drivers, molecular mechanisms, and clinical opportunities. Biochem Pharmacol 2022; 200:115038. [DOI: 10.1016/j.bcp.2022.115038] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 04/01/2022] [Accepted: 04/06/2022] [Indexed: 12/12/2022]
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21
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Huang H, Chen W, Lu J, Zhang S, Xiang X, Wang X, Tang G. Circ_0000284 Promoted Acute Pancreatitis Progression through the Regulation of miR-10a-5p/Wnt/β-Catenin Pathway. Chem Biodivers 2022; 19:e202101006. [PMID: 35581162 DOI: 10.1002/cbdv.202101006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 03/30/2022] [Indexed: 12/17/2022]
Abstract
Circular RNAs (circRNAs) have been found to be involved in the progression of acute pancreatitis (AP). The objective of our study was to investigate the effects of circ_0000284 on caerulein-induced AR42J cell injury. To mimic AP in vitro, rat pancreatic acinar AR42J cells were treated with caerulein. The expression of circ_0000284 and miR-10a-5p was evaluated by quantitative real-time polymerase chain reaction (qRT-PCR). Enzyme-linked immunosorbent assay (ELISA) was employed to determine the content of inflammatory cytokines interleukin (IL)-1β, IL-6, IL-8 and tumor necrosis factor α (TNF-α). Western blotting was applied to analyze the levels of Wnt/β-catenin pathway-related and apoptosis-related proteins. Cell viability and apoptosis were monitored by Counting Kit-8 (CCK-8) assay and flow cytometry, respectively. The target connection between circ_0000284 and miR-10a-5p was verified by dual-luciferase reporter assay and RNA immunoprecipitation (RIP) assay. AP induced inflammation in patients, and caerulein treatment increased apoptosis and inflammation in AR42J cells. Circ_0000284 was upregulated in serum of AP patients and caerulein-induced AR42J cells, while Wnt/β-catenin pathway was inactivated. Knockdown of circ_0000284 could decrease apoptosis and inflammation in caerulein-induced AR42J cells, which was attenuated by miR-10a-5p inhibition or Wnt signaling pathway antagonist Dickkopf-related protein 1 (DKK1). MiR-10a-5p was sponged by circ_000028 and was downregulated in caerulein-induced AR42J cells. Circ_0000284 depletion could protect caerulein-induced AR42J cells from apoptosis and inflammation by upregulating miR-10a-5p expression and activating Wnt/β-catenin pathway, underscoring a potential target for AP therapy.
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Affiliation(s)
- Huali Huang
- Department of Gastroenterology, The First People's Hospital of Nanning, The Fifth Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530022, P. R., China
| | - Wenjing Chen
- Guangxi Medical University, Nanning, Guangxi, 530021, P. R. China
| | - Jiefu Lu
- Department of Gastroenterology, The First People's Hospital of Nanning, The Fifth Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530022, P. R., China
| | - Shiyu Zhang
- Guangxi Medical University, Nanning, Guangxi, 530021, P. R. China
| | - Xuelian Xiang
- Guangxi Medical University, Nanning, Guangxi, 530021, P. R. China
| | - Xianmo Wang
- Department of clinical laboratory, The First People's Hospital of ingzhou, Hubei Province, P. R., China
| | - Guodu Tang
- Guangxi Medical University, Guangxi International Zhuang Medicine Hospital, No. 22 Shuangcong Road, Qingxiu District, Nanning, 530021, P. R. China
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22
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Cao L, Hong J, Wu J. Potential of extracellular vesicles and exosomes as diagnostic markers for cholangiocarcinoma. Hepatobiliary Surg Nutr 2022; 11:436-438. [PMID: 35693412 PMCID: PMC9186185 DOI: 10.21037/hbsn-2022-02] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 03/10/2022] [Indexed: 11/15/2023]
Affiliation(s)
- Linping Cao
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Jiawei Hong
- Key Lab of Combined Multi-Organ Transplantation, Ministry of Public Health, Hangzhou, China
| | - Jian Wu
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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23
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Exosomal circRNA BTG2 derived from RBP-J overexpressed-macrophages inhibits glioma progression via miR-25-3p/PTEN. Cell Death Dis 2022; 13:506. [PMID: 35643814 PMCID: PMC9148311 DOI: 10.1038/s41419-022-04908-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Revised: 04/19/2022] [Accepted: 05/03/2022] [Indexed: 12/14/2022]
Abstract
Macrophage-derived exosomes (Mφ-Exos) are involved in tumor progression, but its role in glioma is not fully understood. RBP-J is related to macrophage activation. In this study, we assess the role of exosomes derived from RBP-J-overexpressed macrophages (RBP-J OE Mφ-Exos) in glioma. The circular RNA (circRNA) profiles in RBP-J OE Mφ-Exos and THP-1-like macrophages (WT Mφ)-Exos were evaluated using circRNA microarray. Then the functions of Mφ-Exo-circRNA in glioma cells were assessed via CCK-8, EdU, Transwell invasion, and nude mouse assays. Besides, luciferase reporter assay, RNA immunoprecipitation, and Pearson's correlation analysis were adopted to confirm interactions. We found that circRNA BTG (circBTG2) is upregulated in RBP-J OE Mφ-Exos compared to WT Mφ-Exos. RBP-J OE Mφ-Exos co-culture and circBTG2 overexpression inhibited proliferation and invasion of glioma cells, whereas circBTG2 knockdown promotes tumor growth in vivo. The effects of RBP-J OE Mφ-Exos on glioma cells can be reversed by the circBTG2 knockdown. In conclusions, Exo-circBTG2 secreted from RBP-J OE Mφ inhibits tumor progression through the circBTG2/miR-25-3p/PTEN pathway, and circBTG2 is probably a diagnostic biomarker and potential target for glioma therapy.
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Exosome-Associated circRNAs as Key Regulators of EMT in Cancer. Cells 2022; 11:cells11101716. [PMID: 35626752 PMCID: PMC9140110 DOI: 10.3390/cells11101716] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 05/17/2022] [Accepted: 05/19/2022] [Indexed: 12/12/2022] Open
Abstract
Epithelial-to-mesenchymal transition (EMT) is a dynamic program of cell plasticity aberrantly reactivated in cancer. The crosstalk between tumor cells and the tumoral microenvironment (TME) has a pivotal importance for the induction of the EMT and the progression toward a malignant phenotype. Notably, exosomes are key mediators of this crosstalk as vehicles of specific molecular signals that include the class of circular RNAs (circRNAs). This review specifically focuses on the role of exosome-associated circRNAs as key regulators of EMT in cancer. The relevance of these molecules in regulating the intercellular communication in TME and tumor progression is highlighted. Moreover, the here-presented evidence indicates that exosome-associated circRNA modulation should be taken in account for cancer diagnostic and therapeutic approaches.
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25
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Han Z, Chen H, Guo Z, Shen J, Luo W, Xie F, Wan Y, Wang S, Li J, He J. Circular RNAs and Their Role in Exosomes. Front Oncol 2022; 12:848341. [PMID: 35574355 PMCID: PMC9096127 DOI: 10.3389/fonc.2022.848341] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 04/01/2022] [Indexed: 12/11/2022] Open
Abstract
As a novel class of endogenous non-coding RNAs discovered in recent years, circular RNAs (circRNAs) are highly conserved and stable covalently closed ring structures with no 5'-end cap or 3'-end poly(A) tail. CircRNAs are formed by reverse splicing, mainly by means of a noose structure or intron complementary pairing. Exosomes are tiny discoid vesicles with a diameter of 40-100 nm that are secreted by cells under physiological and pathological conditions. Exosomes play an important role in cell-cell communication by carrying DNA, microRNAs, mRNAs, proteins and circRNAs. In this review, we summarize the biological functions of circRNAs and exosomes, and further reveal the potential roles of exosomal circRNAs in different diseases, providing a scientific basis for the diagnosis, treatment, and prognosis of a wide variety of diseases.
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Affiliation(s)
- Zeping Han
- Central Laboratory, Guangzhou Panyu Central Hospital, Guangzhou, China.,Department of Laboratory Medicine, Guangzhou Panyu Central Hospital, Guangzhou, China
| | - Huafang Chen
- Department of Laboratory Medicine, Leizhou Center for Disease Control and Prevention, Leizhou, China
| | - Zhonghui Guo
- Central Laboratory, Guangzhou Panyu Central Hospital, Guangzhou, China.,Department of Laboratory Medicine, Guangzhou Panyu Central Hospital, Guangzhou, China
| | - Jian Shen
- Central Laboratory, Guangzhou Panyu Central Hospital, Guangzhou, China
| | - Wenfeng Luo
- Central Laboratory, Guangzhou Panyu Central Hospital, Guangzhou, China
| | - Fangmei Xie
- Central Laboratory, Guangzhou Panyu Central Hospital, Guangzhou, China
| | - Yu Wan
- Department of Gastroenterology, Guangzhou Panyu Central Hospital, Guangzhou, China
| | - Shengbo Wang
- Department of Gastroenterology, Guangzhou Panyu Central Hospital, Guangzhou, China
| | - Jianhao Li
- Department of Cardiology, Central Hospital of Panyu District, Guangzhou, China
| | - Jinhua He
- Central Laboratory, Guangzhou Panyu Central Hospital, Guangzhou, China.,Department of Laboratory Medicine, Guangzhou Panyu Central Hospital, Guangzhou, China
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26
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The emerging landscape of exosomal CircRNAs in solid cancers and hematological malignancies. Biomark Res 2022; 10:28. [PMID: 35505392 PMCID: PMC9066734 DOI: 10.1186/s40364-022-00375-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 04/05/2022] [Indexed: 12/24/2022] Open
Abstract
Circular RNAs (circRNAs) are a type of recently discovered noncoding RNA. They exert their biological functions by competitively binding to microRNAs (miRNAs) as miRNA sponges, promoting gene transcription and participating in the regulation of selective splicing, interacting with proteins and being translated into proteins. Exosomes are derived from intracavitary vesicles (ILVs), which are formed by the inward budding of multivesicular bodies (MVBs), and exosome release plays a pivotal role in intercellular communication. Accumulating evidence indicates that circRNAs in exosomes are associated with solid tumor invasion and metastasis. Additionally, emerging studies in the last 1 ~ 2 years have revealed that exosomal circRNA also have effect on hematological malignancies. In this review, we outline the properties and biological functions of circRNAs and exosomes. In particular, we summarize in detail the mechanism and roles of exosomal circRNAs and highlight their application as novel biomarkers in malignant tumors.
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27
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Ye D, Gong M, Deng Y, Fang S, Cao Y, Xiang Y, Shen Z. Roles and clinical application of exosomal circRNAs in the diagnosis and treatment of malignant tumors. J Transl Med 2022; 20:161. [PMID: 35382838 PMCID: PMC8981684 DOI: 10.1186/s12967-022-03367-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 03/26/2022] [Indexed: 02/07/2023] Open
Abstract
Exosomes are microvesicles secreted by cells. They contain a variety of bioactive substances with important roles in intercellular communication. Circular RNA (circRNA), a type of nucleic acid molecule found in exosomes, forms a covalently bonded closed loop without 5′ caps or 3′ poly(A) tails. It is structurally stable, widely distributed, and tissue specific. CircRNAs mainly act as microRNA sponges and have important regulatory roles in gene expression; they are superior to other non-coding RNAs as molecular diagnostic markers and drug treatment targets. Exosomal-derived circRNAs in the body fluids of tumor patients can modulate tumor proliferation, invasion, metastasis, and drug resistance. They can be used as effective biomarkers for early non-invasive diagnosis and prognostic evaluation of tumors, and also represent ideal targets for early precision therapeutic intervention. This review provides a theoretical basis for exploring the applications of exosomal circRNAs in malignant tumor diagnosis and treatment. We describe the biological functions of exosomal circRNAs in the occurrence and development of malignant tumors, their potential utility in diagnosis and treatment, and possible mechanisms.
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Affiliation(s)
- Dong Ye
- Department of Otorhinolaryngology-Head and Neck Surgery, Lihuili Hospital of Ningbo University, Ningbo, 315040, Zhejiang, China.
| | - Mengdan Gong
- Department of Otorhinolaryngology-Head and Neck Surgery, Lihuili Hospital of Ningbo University, Ningbo, 315040, Zhejiang, China
| | - Yongqin Deng
- Department of Otorhinolaryngology-Head and Neck Surgery, Lihuili Hospital of Ningbo University, Ningbo, 315040, Zhejiang, China
| | - Shuai Fang
- Department of Thoracic Surgery, Affiliated Hospital of Ningbo University, Ningbo, 315020, Zhejiang, China
| | - Yujie Cao
- Department of Otorhinolaryngology-Head and Neck Surgery, Lihuili Hospital of Ningbo University, Ningbo, 315040, Zhejiang, China
| | - Yizhen Xiang
- Department of Otorhinolaryngology-Head and Neck Surgery, Lihuili Hospital of Ningbo University, Ningbo, 315040, Zhejiang, China
| | - Zhisen Shen
- Department of Otorhinolaryngology-Head and Neck Surgery, Lihuili Hospital of Ningbo University, Ningbo, 315040, Zhejiang, China.
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28
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Liu QW, He Y, Xu WW. Molecular functions and therapeutic applications of exosomal noncoding RNAs in cancer. Exp Mol Med 2022; 54:216-225. [PMID: 35352001 PMCID: PMC8980040 DOI: 10.1038/s12276-022-00744-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 10/24/2021] [Accepted: 11/18/2021] [Indexed: 12/21/2022] Open
Abstract
Cancer is one of the most difficult diseases in human society. Therefore, it is urgent for us to understand its pathogenesis and improve the cure rate. Exosomes are nanoscale membrane vesicles formed by a variety of cells through endocytosis. As a new means of intercellular information exchange, exosomes have attracted much attention. Noncoding RNAs exist in various cell compartments and participate in a variety of cellular reactions; in particular, they can be detected in exosomes bound to lipoproteins and free circulating molecules. Increasing evidence has suggested the potential roles of exosomal noncoding RNAs in the progression of tumors. Herein, we present a comprehensive update on the biological functions of exosomal noncoding RNAs in the development of cancer. Specifically, we mainly focus on the effects of exosomal noncoding RNAs, including microRNAs, circular RNAs, long noncoding RNAs, small nuclear RNAs, and small nucleolar RNAs, on tumor growth, metastasis, angiogenesis, and chemoresistance. Moreover, we outline the current clinical implications concerning exosomal noncoding RNAs in cancer treatment.
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Affiliation(s)
- Qin-Wen Liu
- Institute of Biomedicine, Guangdong Provincial Key Laboratory of Bioengineering Medicine, National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou, 510632, China
| | - Yan He
- Institute of Biomedicine, Guangdong Provincial Key Laboratory of Bioengineering Medicine, National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou, 510632, China
| | - Wen Wen Xu
- Institute of Biomedicine, Guangdong Provincial Key Laboratory of Bioengineering Medicine, National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou, 510632, China.
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29
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Zhao K, Li X, Shi Y, Lu Y, Qiu P, Deng Z, Yao W, Wang J. Exosomes in the tumor microenvironment of cholangiocarcinoma: current status and future perspectives. J Transl Med 2022; 20:117. [PMID: 35255950 PMCID: PMC8900430 DOI: 10.1186/s12967-022-03294-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Accepted: 02/02/2022] [Indexed: 11/24/2022] Open
Abstract
Cholangiocarcinoma (CCA) refers to an aggressive malignancy with a high fatality rate and poor prognosis. Globally, the morbidity of CCA is increasing for the past few decades, which has progressed into a disease that gravely endangers human health. Exosomes belong to a class of extracellular vesicles (EVs) with diameters ranging from 40 to 150 nm that can be discharged by all living cells. As communication messengers of the intercellular network, exosomes carry a diverse range of cargoes such as proteins, nucleic acids, lipids, and metabolic substances, which are capable of conveying biological information across different cell types to mediate various physiological activities or pathological changes. Increasing studies have demonstrated that exosomes in the tumor microenvironment participate in regulating tumorigenesis and progression via multiple approaches in the tumor microenvironment. Here, we reviewed the current research progress of exosomes in the context of cancer and particularly highlighted their functions in modulating the development of CCA. Furthermore, the potential values of exosomes as diagnostic and therapeutic targets in CCA were overviewed as well.
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Tang J, Wang R, Tang R, Gu P, Han J, Huang W. CircRTN4IP1 regulates the malignant progression of intrahepatic cholangiocarcinoma by sponging miR-541-5p to induce HIF1A production. Pathol Res Pract 2022; 230:153732. [PMID: 34974242 DOI: 10.1016/j.prp.2021.153732] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 12/01/2021] [Accepted: 12/03/2021] [Indexed: 01/15/2023]
Abstract
BACKGROUND Recent studies indicate that circular RNA (circRNA) serves important roles in the development of intrahepatic cholangiocarcinoma (ICC). However, the role of circRNA reticulon 4 interacting protein 1 (circRTN4IP1) in ICC progression remains unknown. METHODS Expression of circRTN4IP1, microRNA-541-5p (miR-541-5p), hypoxia inducible factor 1 subunit alpha (HIF1A) and other indicated protein markers was detected by quantitative real-time polymerase chain reaction or Western blot. The functional effects of circRTN4IP1 knockdown in ICC cells were analyzed by cell counting kit-8, cell colony formation, flow cytometry analysis, Western blot, glucose and lactate kit assays. The positive expression rate of HIF1A was detected by immunohistochemistry assay. The interaction between miR-541-5p and circRTN4IP1 or HIF1A was identified by dual-luciferase reporter, RNA immunoprecipitation or RNA pull-down assays. Xenograft mouse model assay was performed to determine the effect of circRTN4IP1 depletion on tumor formation. RESULTS In contrast, ICC tissues and cells showed high expression of circRTN4IP1 and HIF1A, but low expression of miR-541-5p. Knockdown of circRTN4IP1 led to repression of cell proliferation and glucose metabolism, but promotion of cell apoptosis; however, circRTN4IP1 overexpression had opposite effects. In mechanism, circRTN4IP1 acted as a sponge for miR-541-5p, which was found to target HIF1A. MiR-541-5p inhibitors could remit circRTN4IP1 knockdown-mediated action. Also, HIF1A participated in the regulation of miR-541-5p in ICC progression. In support, circRTN4IP1 depletion impeded tumor formation in vivo. CONCLUSION CircRTN4IP1 knockdown inhibited ICC cell malignancy by miR-541-5p/HIF1A axis, providing us with a reliable target for the therapy of ICC.
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Affiliation(s)
- Jintian Tang
- Department of Hepatopancreatobiliary, Cancer Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Ruibin Wang
- Department of Hepatopancreatobiliary, The Third Clinical Medical College of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Runjuan Tang
- Department of Rehabilitation, the Second Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Peng Gu
- Department of Interventional, Cancer Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Jing Han
- Office of drug clinical trial institutions, Cancer Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Wukui Huang
- Department of Interventional, Cancer Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, China.
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31
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Louis C, Leclerc D, Coulouarn C. Emerging roles of circular RNAs in liver cancer. JHEP Rep 2022; 4:100413. [PMID: 35036887 PMCID: PMC8749337 DOI: 10.1016/j.jhepr.2021.100413] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 11/16/2021] [Accepted: 11/18/2021] [Indexed: 12/22/2022] Open
Abstract
Hepatocellular carcinoma and cholangiocarcinoma are the most common primary liver tumours, whose incidence and associated mortality have increased over recent decades. Liver cancer is often diagnosed late when curative treatments are no longer an option. Characterising new molecular determinants of liver carcinogenesis is crucial for the development of innovative treatments and clinically relevant biomarkers. Recently, circular RNAs (circRNAs) emerged as promising regulatory molecules involved in cancer onset and progression. Mechanistically, circRNAs are mainly known for their ability to sponge and regulate the activity of microRNAs and RNA-binding proteins, although other functions are emerging (e.g. transcriptional and post-transcriptional regulation, protein scaffolding). In liver cancer, circRNAs have been shown to regulate tumour cell proliferation, migration, invasion and cell death resistance. Their roles in regulating angiogenesis, genome instability, immune surveillance and metabolic switching are emerging. Importantly, circRNAs are detected in body fluids. Due to their circular structure, circRNAs are often more stable than mRNAs or miRNAs and could therefore serve as promising biomarkers - quantifiable with high specificity and sensitivity through minimally invasive methods. This review focuses on the role and the clinical relevance of circRNAs in liver cancer, including the development of innovative biomarkers and therapeutic strategies.
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Key Words
- ASO, antisense oligonucleotide
- CCA, cholangiocarcinoma
- CLIP, cross-linking immunoprecipitation
- EMT, epithelial-to-mesenchymal transition
- EVs, extracellular vesicles
- HCC, hepatocellular carcinoma
- HN1, haematopoietic- and neurologic-expressed sequence 1
- IRES, internal ribosome entry sites
- NGS, next-generation sequencing
- QKI, Quaking
- RBP, RNA-binding protein
- RISC, RNA-induced silencing complex
- TAM, tumour-associated macrophage
- TSB, target site blockers
- biomarker
- cancer hallmarks
- cholangiocarcinoma
- circRNA
- circRNA, circular RNA
- hepatocellular carcinoma
- miRNA, microRNA
- shRNA, small-hairpin RNA
- snRNP, small nuclear ribonuclear proteins
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Affiliation(s)
- Corentin Louis
- Inserm, Univ Rennes 1, COSS (Chemistry, Oncogenesis Stress Signaling), UMR_S 1242, Centre de Lutte contre le Cancer Eugène Marquis, F-35042, Rennes, France
| | - Delphine Leclerc
- Inserm, Univ Rennes 1, COSS (Chemistry, Oncogenesis Stress Signaling), UMR_S 1242, Centre de Lutte contre le Cancer Eugène Marquis, F-35042, Rennes, France
| | - Cédric Coulouarn
- Inserm, Univ Rennes 1, COSS (Chemistry, Oncogenesis Stress Signaling), UMR_S 1242, Centre de Lutte contre le Cancer Eugène Marquis, F-35042, Rennes, France
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Tumor-associated macrophages promote cholangiocarcinoma progression via exosomal Circ_0020256. Cell Death Dis 2022; 13:94. [PMID: 35091535 PMCID: PMC8799724 DOI: 10.1038/s41419-022-04534-0] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 12/14/2021] [Accepted: 01/13/2022] [Indexed: 12/18/2022]
Abstract
This study investigated the exosomal circular RNAs (CircRNAs) produced by tumor-associated macrophages and delivered into the microenvironment of cholangiocarcinoma cells in order to use them as molecular targets for clinical therapy. Tumor-associated M2 macrophages (TAMs) were induced from THP-1 cells and identified by flow cytometry. The TAM-secreted exosomes were isolated from conditioned medium and a CircRNA microarray assay was performed to identify CircRNAs that were uniquely expressed in the isolated exosomes. Circ_0020256 was especially identified based on having the highest differential expression level among all of the CircRNA candidates. In vitro and in vivo experiments were performed to assess the effects of TAMs, exosomes, and Circ_0020256 on the growth and migration of cholangiocarcinoma (CCA) cells. The induced TAMs promoted the proliferation, migration, and invasion of CCA cells and those effects were mediated by exosomes secreted by the TAMs. In CCA cells (RBE and HCCC-9810), Circ_0020256 significantly promoted cellular activity by interacting with its intra-cellular microRNA target, miR-432-5p. In contrast, overexpression of transcription factor E2F3 in CCA cells restored the CCA cellular activities that were inhibited by miR-432-5p. On the other hand, treatment with small interference RNA (siRNA) for Circ_0020256 inhibited CCA cell proliferation, migration, and invasion both in vitro and in vivo. In conclusion, Circ_0020256 in TAM-secreted exosomes promoted the proliferation, migration, and invasion of CCA cells, and that promotional activity was regulated via a Circ_0020256/miR-432-5p/E2F3 axis.
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Jiang T, Luo ZB. LOC102724163 promotes breast cancer cell proliferation and invasion by stimulating MUC19 expression. Oncol Lett 2022; 23:100. [PMID: 35154431 PMCID: PMC8822485 DOI: 10.3892/ol.2022.13220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 11/23/2021] [Indexed: 12/24/2022] Open
Abstract
Breast cancer (BC) is a malignant disease and the most commonly diagnosed cancer in women. Numerous studies have previously verified the important role of long non-coding RNAs in a number of biological processes in BC. In the present study, analysis of The Cancer Genome Atlas database and reverse transcription-quantitative PCR demonstrated that LOC102724163 expression levels were significantly upregulated in BC tissues compared to matched adjacent normal tissues and were associated with an unfavorable prognosis in patients with BC. Gain or loss of function assays indicated that overexpression of LOC102724163 significantly increased tumorgenicity in vivo and cell migration, proliferation and invasion in vitro. In the mechanistical aspect, LOC102724163 sponged microRNA (miR)-508-5p to elevate MUC19 expression. Additionally, rescue assays ascertained the function of the LOC102724163/miR-508-5p/MUC19 axis in the proliferation and invasion of BC cells. To the best of our knowledge, this is the first study to have demonstrated that LOC102724163 may act as a competing endogenous RNA to control MUC19 expression levels by competitively sponging miR-508-5p to modulate BC progression. Therefore, the present study has provided new insights into BC diagnosis and treatment.
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Affiliation(s)
- Tao Jiang
- Department of General Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
| | - Zhong-Bing Luo
- Department of General Surgery, The First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
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Chang LC, Chiu HM, Wu MS, Shen TL. The Role of Small Extracellular Vesicles in the Progression of Colorectal Cancer and Its Clinical Applications. Int J Mol Sci 2022; 23:1379. [PMID: 35163305 PMCID: PMC8835972 DOI: 10.3390/ijms23031379] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 01/17/2022] [Accepted: 01/24/2022] [Indexed: 02/01/2023] Open
Abstract
Colorectal cancer (CRC) is one of the most common cancers worldwide and a longstanding critical challenge for public health. Screening has been suggested to effectively reduce both the incidence and mortality of CRC. However, the drawback of the current screening modalities, both stool-based tests and colonoscopies, is limited screening adherence, which reduces the effectiveness of CRC screening. Blood tests are more acceptable than stool tests or colonoscopy as a first-line screening approach. Therefore, identifying blood biomarkers for detecting CRC and its precancerous neoplasms is urgently needed to fulfill the unmet clinical need. Currently, many kinds of blood contents, such as circulating tumor cells, circulating tumor nucleic acids, and extracellular vesicles, have been investigated as biomarkers for CRC detection. Among these, small extracellular vesicles (sEVs) have been demonstrated to detect CRC effectively in recent reports. sEVs enable intercellular shuttling-for instance, trafficking between recipient cancer cells and stromal cells-which can affect tumor initiation, proliferation, angiogenesis, immune regulation; metastasis, the cancer-specific molecules, such as proteins, microRNAs, long noncoding RNAs, and circular RNAs, loaded into cancer-derived sEVs may serve as biomarkers for the detection of cancers, including CRC. Indeed, accumulating evidence has shown that nucleic acids and proteins contained in CRC-derived sEVs are effective as blood biomarkers for CRC detection. However, investigations of the performance of sEVs for diagnosing CRC in clinical trials remains limited. Thus, the effectiveness of sEV biomarkers for diagnosing CRC needs further validation in clinical trials.
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Affiliation(s)
- Li-Chun Chang
- Department of Internal Medicine, National Taiwan University Hospital, Taipei 100, Taiwan; (L.-C.C.); (H.-M.C.); (M.-S.W.)
- Health Management Center, National Taiwan University Hospital, Taipei 100, Taiwan
| | - Han-Mo Chiu
- Department of Internal Medicine, National Taiwan University Hospital, Taipei 100, Taiwan; (L.-C.C.); (H.-M.C.); (M.-S.W.)
- Health Management Center, National Taiwan University Hospital, Taipei 100, Taiwan
| | - Ming-Shiang Wu
- Department of Internal Medicine, National Taiwan University Hospital, Taipei 100, Taiwan; (L.-C.C.); (H.-M.C.); (M.-S.W.)
| | - Tang-Long Shen
- Department of Plant Pathology and Microbiology, National Taiwan University, Taipei 100, Taiwan
- Center for Biotechnology, National Taiwan University, Taipei 100, Taiwan
- Genome and Systems Biology Degree Program, National Taiwan University, Taipei 100, Taiwan
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35
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Li J, Zhang G, Liu CG, Xiang X, Le MT, Sethi G, Wang L, Goh BC, Ma Z. The potential role of exosomal circRNAs in the tumor microenvironment: insights into cancer diagnosis and therapy. Am J Cancer Res 2022; 12:87-104. [PMID: 34987636 PMCID: PMC8690929 DOI: 10.7150/thno.64096] [Citation(s) in RCA: 48] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Accepted: 10/21/2021] [Indexed: 12/11/2022] Open
Abstract
Exosomes are multifunctional regulators of intercellular communication by carrying various messages under both physiological and pathological status of cancer patients. Accumulating studies have identified the presence of circular RNAs (circRNAs) in exosomes with crucial regulatory roles in diverse pathophysiological processes. Exosomal circRNAs derived from donor cells can modulate crosstalk with recipient cells locally or remotely to enhance cancer development and propagation, and play crucial roles in the tumor microenvironment (TME), leading to significant enhancement of tumor immunity, metabolism, angiogenesis, drug resistance, epithelial mesenchymal transition (EMT), invasion and metastasis. In this review, we describe the advances of exosomal circRNAs and their roles in modulating cancer hallmarks, especially those in the TME. Moreover, clinical application potential of exosomal circRNAs in cancer diagnosis and therapy are highlighted, bridging the gap between basic knowledge and clinical practice.
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36
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Wang W, Liu J, Pan E. CircHIPK3 contributes to human villous trophoblast growth, migration and invasion via modulating the pathway of miR-346/KCMF1. Placenta 2021; 118:46-54. [PMID: 35032791 DOI: 10.1016/j.placenta.2021.12.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 12/14/2021] [Accepted: 12/23/2021] [Indexed: 12/21/2022]
Abstract
INTRODUCTION Preeclampsia (PE) is one of the leading causes of maternal and perinatal morbidity and mortality worldwide. The regular growth, migration and invasion of villous trophoblast cells contribute to placental development. The objective of this study was to investigate the role and mechanism of circular RNA homeodomain interacting protein kinase 3 (circHIPK3) in the biological functions of trophoblast cells. METHODS The expression of circHIPK3, microRNA-346 (miR-346) and potassium channel modulatory factor 1 (KCMF1) mRNA was measured by quantitative real-time PCR (qPCR). Trophoblast cell proliferation, migration/invasion and cell cycle progression/apoptosis were determined by CCK-8 assay, transwell assay and flow cytometry assay, respectively. The predicted relationship between miR-346 and circHIPK3 or KCMF1 by bioinformatics was confirmed dual-luciferase reporter assay and RIP assay. RESULTS CircHIPK3 and KCMF1 were downregulated, while miR-346 was upregulated in placenta tissues from PE patients. The forced expression of circHIPK3 promoted trophoblast cell proliferation and migration/invasion but alleviated cell cycle arrest and cell apoptosis. MiR-346 was a target of circHIPK3, and miR-346 restoration reversed the effects of circHIPK3 upregulation. In addition, circHIPK3 acted as miR-346 sponge to modulate KCMF1 expression. KCMF1 downregulation partially repressed trophoblast cell proliferation, migration and invasion that were facilitated by miR-346 inhibition or circHIPK3 upregulation. DISCUSSION CircHIPK3 contributes to trophoblast cell proliferation, migration and invasion by upregulating KCMF1 via acting as miR-346 sponge.
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Affiliation(s)
- Wenxing Wang
- Department of Obstetrical, Yantaishan Hospital, China
| | - Jingying Liu
- Department of Obstetrical, Yantaishan Hospital, China.
| | - Enjie Pan
- Department of Gynecology, Yantai Hospital of Traditional Chinese Medicine, China
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Zhou H, He X, He Y, Ou C, Cao P. Exosomal circRNAs: Emerging Players in Tumor Metastasis. Front Cell Dev Biol 2021; 9:786224. [PMID: 34957113 PMCID: PMC8692866 DOI: 10.3389/fcell.2021.786224] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 11/18/2021] [Indexed: 12/12/2022] Open
Abstract
Metastasis is an important feature of malignant tumors, and is the primary cause of poor prognosis and treatment failure, in addition to representing a potentially fatal challenge for cancer patients. Exosomes are small extracellular vesicles 30–150 nm in diameter that transmit cargo, such as DNA, RNA, and proteins, as a means of intercellular communication. Exosomes play crucial roles in a range of human diseases, especially malignant tumors. A growing number of studies have verified that circRNAs can be enveloped in exosomes and transferred from secretory cells to recipient cells, thereby regulating tumor progression, especially tumor metastasis. Exosomal circRNAs regulate tumor cell metastasis not only by regulating the signaling pathways, but also by affecting the tumor microenvironment. Moreover, exosomal circRNAs have the potential to serve as valuable diagnostic biomarkers and novel therapeutic targets in cancer patients. In this review, we summarize the mechanism by which exosomal circRNAs modulate metastatic phenomena in various types of tumors, and put forward the prospects of clinical applications of exosomal circRNAs in tumor therapy.
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Affiliation(s)
- Hao Zhou
- Department of Hematology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiaoyun He
- Departments of Ultrasound Imaging, Xiangya Hospital, Central South University, Changsha, China
| | - Yuxiang He
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, China
| | - Chunlin Ou
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Pengfei Cao, ; Chunlin Ou,
| | - Pengfei Cao
- Department of Hematology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Pengfei Cao, ; Chunlin Ou,
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Li S, Liu F, Zheng K, Wang W, Qiu E, Pei Y, Wang S, Zhang J, Zhang X. CircDOCK1 promotes the tumorigenesis and cisplatin resistance of osteogenic sarcoma via the miR-339-3p/IGF1R axis. Mol Cancer 2021; 20:161. [PMID: 34876132 PMCID: PMC8650521 DOI: 10.1186/s12943-021-01453-0] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 10/27/2021] [Indexed: 12/15/2022] Open
Abstract
Background Circular RNAs (circRNAs), a class of noncoding RNAs (ncRNAs), may modulate gene expression by binding to miRNAs. Additionally, recent studies show that circRNAs participate in some pathological processes. However, there is a large gap in the knowledge about circDOCK1 expression and its biological functions in osteogenic sarcoma (OS). Methods Differentially expressed circRNAs in OS cell lines and tissues were identified by circRNA microarray analysis and quantitative real-time PCR (qRT–PCR). To explore the actions of circDOCK1 in vivo and in vitro, circDOCK1 was knocked down or overexpressed. To assess the binding and regulatory associations among miR-339-3p, circDOCK1 and IGF1R, we performed rescue experiments, RNA immunoprecipitation (RIP), RNA pulldown assays and dual-luciferase assays. Moreover, we performed apoptosis assays to reveal the regulatory effects of the circDOCK1/miR-339-3p/IGF1R axis on cisplatin sensitivity. Results CircDOCK1 expression remained stable in the cytoplasm and was higher in OS tissues and cells than in the corresponding controls. Overexpression of circDOCK1 increased oncogenicity in vivo and malignant transformation in vitro. In the U2OS and MG63 cell lines, circDOCK1 modulated tumor progression by regulating IGF1R through sponging of miR-339-3p. Additionally, in the U2OS/DDP and MG63/DDP cell lines, cisplatin sensitivity was regulated by circDOCK1 via the miR-339-3p/IGF1R axis. Conclusions CircDOCK1 can promote progression and regulate cisplatin sensitivity in OS via the miR-339-3p/IGF1R axis. Thus, the circDOCK1/miR-339-3p/IGF1R axis may be a key mechanism and therapeutic target in OS. Supplementary Information The online version contains supplementary material available at 10.1186/s12943-021-01453-0.
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Affiliation(s)
- Shenglong Li
- Department of Bone and Soft Tissue Tumor Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, 110042, Liaoning Province, China.
| | - Fei Liu
- Department of Bone and Soft Tissue Tumor Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, 110042, Liaoning Province, China
| | - Ke Zheng
- Department of Bone and Soft Tissue Tumor Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, 110042, Liaoning Province, China
| | - Wei Wang
- Department of Bone and Soft Tissue Tumor Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, 110042, Liaoning Province, China
| | - Enduo Qiu
- Department of Bone and Soft Tissue Tumor Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, 110042, Liaoning Province, China
| | - Yi Pei
- Department of Bone and Soft Tissue Tumor Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, 110042, Liaoning Province, China
| | - Shuang Wang
- Department of Bone and Soft Tissue Tumor Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, 110042, Liaoning Province, China
| | - Jiaming Zhang
- Department of Bone and Soft Tissue Tumor Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, 110042, Liaoning Province, China
| | - Xiaojing Zhang
- Department of Bone and Soft Tissue Tumor Surgery, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, 110042, Liaoning Province, China
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Shen B, Sun K. Exosomal circular RNAs: A new frontier in the metastasis of digestive system tumors. Oncol Lett 2021; 22:826. [PMID: 34691253 PMCID: PMC8527826 DOI: 10.3892/ol.2021.13087] [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: 07/07/2021] [Accepted: 09/20/2021] [Indexed: 12/24/2022] Open
Abstract
Exosomes are membrane vesicles with a diameter of 30–150 nm. Exosomes are secreted by various types of tumor cell and contain a variety of proteins, circular RNAs (circRNAs), microRNAs and DNA, depending on the host cells. Among them, circRNAs, which are long non-coding endogenous RNAs, form covalently closed and continuous loops that link the 3′ and 5′ terminals generated by back-splicing. circRNAs have become a hotspot of research. Exosomal circRNAs are in volved in the pathogenesis of cancer, especially metastasis, which is mainly ascribed to the frequently abnormal expression levels within neoplasms. Nonetheless, the functions and regulatory mechanisms of exosomal circRNAs in the progression of digestive system tumors (DSTs) remain unclear. More knowledge on the regulation and network interactions of exosomal circRNAs will help identify superior treatment strategies for the metastasis of DSTs. The present review aims to summarize the existing studies on the functions and mechanisms of exosomal circRNAs in tumorigenesis, and evaluate the associations between the dysregulation of exosomal circRNAs and tumor metastasis.
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Affiliation(s)
- Baile Shen
- Department of Gastroenterology, Yinzhou Hospital Affiliated to Medical School of Ningbo University, Ningbo, Zhejiang 315040, P.R. China
| | - Keke Sun
- Department of Gastroenterology, Yinzhou Hospital Affiliated to Medical School of Ningbo University, Ningbo, Zhejiang 315040, P.R. China
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Jiang W, Pan S, Chen X, Wang ZW, Zhu X. The role of lncRNAs and circRNAs in the PD-1/PD-L1 pathway in cancer immunotherapy. Mol Cancer 2021; 20:116. [PMID: 34496886 PMCID: PMC8424797 DOI: 10.1186/s12943-021-01406-7] [Citation(s) in RCA: 79] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 08/08/2021] [Indexed: 12/15/2022] Open
Abstract
Cancer immunotherapy has recently shown promising antitumor effects in various types of tumors. Among all immune checkpoints, the PD-1/PD-L1 pathway plays an important role in the immune evasion of tumor cells, making it a potent target in antitumor immunity. Accordingly, antibodies targeting the PD-1/PD-L1 pathway have been developed to attack tumor cells; however, resistance to immune therapy remains to be solved. Hence, identification of the underlying modulators of the PD-1/PD-L1 pathway is of significant importance to understand the mechanisms of antitumor immunotherapy. Long noncoding RNAs (lncRNAs) and circular RNAs (circRNAs) have been identified to regulate the PD-1/PD-L1 pathway, leading to participation in the immune response and immunotherapy. Therefore, this review focuses on the functions of lncRNAs and circRNAs in regulation of the PD-1/PD-L1 axis in tumorigenesis and tumor progression. We hope this review will stimulate research to supply more precise and effective cancer immune checkpoint therapies for a large number of tumors.
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Affiliation(s)
- Wenxiao Jiang
- Departmant of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, No. 109 Xueyuan Xi Road, Wenzhou, 325027 Zhejiang China
| | - Shuya Pan
- Departmant of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, No. 109 Xueyuan Xi Road, Wenzhou, 325027 Zhejiang China
| | - Xin Chen
- Departmant of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, No. 109 Xueyuan Xi Road, Wenzhou, 325027 Zhejiang China
| | - Zhi-wei Wang
- Departmant of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, No. 109 Xueyuan Xi Road, Wenzhou, 325027 Zhejiang China
| | - Xueqiong Zhu
- Departmant of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, No. 109 Xueyuan Xi Road, Wenzhou, 325027 Zhejiang China
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Zheng W, Ji D, Zhou Y, Yu L, Huang P, Zheng Y, Meng N, Wang H, Bai X, Huang Z, Chen W, Yam JWP, Xu Y, Cui Y. Exosomal non-coding RNAs in Hepatobiliary Cancer: A Rising Star. Mol Cancer Ther 2021; 20:1777-1788. [PMID: 34376575 DOI: 10.1158/1535-7163.mct-21-0363] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 06/24/2021] [Accepted: 08/04/2021] [Indexed: 11/16/2022]
Abstract
Hepatobiliary cancers are a heterogeneous group of malignancies with a dismal prognosis. Despite intensive research efforts focused on these tumors, methods for early diagnosis and effective targeted therapies are still lacking. Exosomes, released by most cells, exist in all kinds of body fluids and play an important role in cell-to-cell communication. They are small membranous vesicles containing biological molecules, such as noncoding RNAs (ncRNAs), which are not translated into proteins, but they exert effects on the regulation of gene transcription and translation. There is growing evidence for the essential roles of ncRNAs in exosomes in both physiological and pathological conditions of hepatobiliary cancers. They have been identified as sensitive diagnostic biomarkers as well as potential therapeutic targets. The present review discusses recent findings in the crosstalk between hepatobiliary cancers cells and the surrounding cells of the microenvironment and discuss their potential clinical usage.
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Affiliation(s)
- Wangyang Zheng
- Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University
| | - Daolin Ji
- Forth Affiliated Hospital of Harbin Medical University
| | - Yongxu Zhou
- Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University
| | - Liang Yu
- Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University
| | - Peng Huang
- Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University
| | - Yuling Zheng
- Department of Pediatric, Second Affiliated Hospital of Harbin Medical University
| | - Nanfeng Meng
- Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University
| | - Hang Wang
- Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University
| | - Xue Bai
- Department of Renal Cancer and Melanoma/Cancer Center, Key laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital & Institute/Massachusetts General Hospital
| | - ZiYue Huang
- Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University
| | - Wangming Chen
- Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University
| | - Judy W P Yam
- Department of Pathology, University of Hong Kong
| | - Yi Xu
- Department of Pathology, University of Hong Kong
| | - Yunfu Cui
- Department of Hepatopancreatobiliary Surgery, Second Affiliated Hospital of Harbin Medical University
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Sato K, Baiocchi L, Kennedy L, Zhang W, Ekser B, Glaser S, Francis H, Alpini G. Current Advances in Basic and Translational Research of Cholangiocarcinoma. Cancers (Basel) 2021; 13:cancers13133307. [PMID: 34282753 PMCID: PMC8269372 DOI: 10.3390/cancers13133307] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/25/2021] [Accepted: 06/26/2021] [Indexed: 12/11/2022] Open
Abstract
Simple Summary Cholangiocarcinoma (CCA) is highly malignant biliary tract cancer, which is characterized by limited treatment options and poor prognosis. Basic science studies to seek therapies for CCA are also limited due to lack of gold-standard experimental models and heterogeneity of CCA resulting in various genetic alterations and origins of tumor cells. Recent studies have developed new experimental models and techniques that may facilitate CCA studies leading to the development of novel treatments. This review summarizes the update in current basic studies of CCA. Abstract Cholangiocarcinoma (CCA) is a type of biliary tract cancer emerging from the biliary tree. CCA is the second most common primary liver cancer after hepatocellular carcinoma and is highly aggressive resulting in poor prognosis and patient survival. Treatment options for CCA patients are limited since early diagnosis is challenging, and the efficacy of chemotherapy or radiotherapy is also limited because CCA is a heterogeneous malignancy. Basic research is important for CCA to establish novel diagnostic testing and more effective therapies. Previous studies have introduced new techniques and methodologies for animal models, in vitro models, and biomarkers. Recent experimental strategies include patient-derived xenograft, syngeneic mouse models, and CCA organoids to mimic heterogeneous CCA characteristics of each patient or three-dimensional cellular architecture in vitro. Recent studies have identified various novel CCA biomarkers, especially non-coding RNAs that were associated with poor prognosis or metastases in CCA patients. This review summarizes current advances and limitations in basic and translational studies of CCA.
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Affiliation(s)
- Keisaku Sato
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (L.K.); (H.F.); (G.A.)
- Correspondence: ; Tel.: +1-317-278-4227
| | - Leonardo Baiocchi
- Hepatology Unit, Department of Medicine, University of Tor Vergata, 00133 Rome, Italy;
| | - Lindsey Kennedy
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (L.K.); (H.F.); (G.A.)
- Department of Research, Richard L. Roudebush VA Medical Center, Indianapolis, IN 46202, USA
| | - Wenjun Zhang
- Division of Transplant Surgery, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (W.Z.); (B.E.)
| | - Burcin Ekser
- Division of Transplant Surgery, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (W.Z.); (B.E.)
| | - Shannon Glaser
- Department of Medical Physiology, Texas A&M University College of Medicine, Bryan, TX 77807, USA;
| | - Heather Francis
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (L.K.); (H.F.); (G.A.)
- Department of Research, Richard L. Roudebush VA Medical Center, Indianapolis, IN 46202, USA
| | - Gianfranco Alpini
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (L.K.); (H.F.); (G.A.)
- Department of Research, Richard L. Roudebush VA Medical Center, Indianapolis, IN 46202, USA
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Abstract
Objective Circular RNA (circRNA) plays a vital role in the development and progression of malignancies, however, the function of circRNAs in cholangiocarcinoma (CCA) remains unexplored. The aim of this study was to investigate circRNA expression in CCA versus para-cancer tissues, and elucidate any potential associated mechanisms. Methods Differential expression of circRNAs between CCA and para-cancer tissue was analysed by microarray hybridization, and validated by real-time quantitative reverse transcription–polymerase chain reaction (qRT–PCR). The downstream pathway was investigated using bioinformatics and qRT–PCR. Results Microarray hybridization revealed 10 circRNAs with > 3-fold increased expression versus para-cancer (circRNA_002172, circRNA_002144, circRNA_001588, circRNA_000166, circRNA_000585, circRNA_000167, circRNA_402608, circRNA_006853, circRNA_001589, circRNA_008882), and three circRNAs with > 3-fold decreased expression (circRNA_406083, circRNA_104940, circRNA_006349). CircRNA_000585 was shown by qRT-PCR to be upregulated in tumour versus paired para-cancer tissue from 15 patients with CCA. Bioinformatics analysis revealed a potential pathway comprising circRNA_000585/microRNA-615-5p/angiomotin (AMOT)/Yes associated protein 1 (YAP) in CCA. RT–PCR validation of crucial molecule expression showed downregulation of miR-615-5p, and upregulation of AMOT and YAP in CCA tumours. Conclusion Multiple circRNAs are dysregulated in CCA. CircRNA_000585 is upregulated in CCA, and may function by a circRNA_000585/miR-615-5p/AMOT/YAP pathway, which may be a novel CCA pathway.
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Affiliation(s)
- Fengming Yi
- Department of Oncology, Second Affiliated Hospital of Nanchang University, Nanchang, P.R. China.,JiangXi Key Laboratory of Clinical and Translational Cancer Research, Nanchang, P.R. China
| | - Longxiang Xin
- JiangXi Key Laboratory of Clinical and Translational Cancer Research, Nanchang, P.R. China.,Jiangxi Cancer hospital, Nanchang, P.R. China
| | - Long Feng
- Department of Oncology, Second Affiliated Hospital of Nanchang University, Nanchang, P.R. China.,JiangXi Key Laboratory of Clinical and Translational Cancer Research, Nanchang, P.R. China
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Qi X, Chen S, He H, Wen W, Wang H. The role and potential application of extracellular vesicles in liver cancer. SCIENCE CHINA-LIFE SCIENCES 2021; 64:1281-1294. [PMID: 33847910 DOI: 10.1007/s11427-020-1905-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 02/10/2021] [Indexed: 12/13/2022]
Abstract
Liver cancer is one of the most common causes of cancer-related death worldwide and mainly includes hepatocellular carcinoma (HCC) and cholangiocarcinoma (CCA). Extracellular vesicles (EVs) are membrane-derived nanometer-sized vesicles that can be released by different cell types under normal and pathological conditions and thus play important roles in the transmission of biological information between cells. Increasing evidence suggests that liver cancer cell-derived EVs may help establish a favorable microenvironment to support the proliferation, invasion and metastasis of cancer cells. In this review, we summarized the role of EVs in the tumor microenvironment (TME) during the development and progression of liver cancer. As messenger carriers, EVs are loaded by various biomolecules, such as proteins, RNA, DNA, lipids and metabolites, making them potential liquid biopsy biomarkers for the diagnosis and prognosis of liver cancer. We also highlighted the progress of EVs as antigen carriers and EV-based therapeutics in preclinical studies of liver cancer.
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Affiliation(s)
- Xuewei Qi
- Cancer Research Center, The First Affiliated Hospital, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230026, China
| | - Shuzhen Chen
- National Center for Liver Cancer, Second Military Medical University, Shanghai, 200438, China
- International Cooperation Laboratory on Signal Transduction, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, China
| | - Huisi He
- National Center for Liver Cancer, Second Military Medical University, Shanghai, 200438, China
- International Cooperation Laboratory on Signal Transduction, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, China
| | - Wen Wen
- National Center for Liver Cancer, Second Military Medical University, Shanghai, 200438, China.
- International Cooperation Laboratory on Signal Transduction, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, China.
| | - Hongyang Wang
- Cancer Research Center, The First Affiliated Hospital, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230026, China.
- National Center for Liver Cancer, Second Military Medical University, Shanghai, 200438, China.
- International Cooperation Laboratory on Signal Transduction, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, China.
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Lyu L, Yang W, Yao J, Wang H, Zhu J, Jin A, Liu T, Wang B, Zhou J, Fan J, Yang X, Guo W. The diagnostic value of plasma exosomal hsa_circ_0070396 for hepatocellular carcinoma. Biomark Med 2021; 15:359-371. [PMID: 33666515 DOI: 10.2217/bmm-2020-0476] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Aim: We aimed to identify novel exosomal circular RNAs for hepatocellular carcinoma (HCC) diagnosis. Materials & methods: Exosomes were extracted and characterized. The expression level of exosomal circRNAs were verified via quantitative real-time PCR. The diagnostic value of candidate circRNAs was evaluated according to the receiver operating characteristic curve analysis. Results: The exosomal circ_0070396 significantly elevated in HCC patients than other control groups and it performed better in distinguishing HCC patients from healthy donors than that of α-fetoprotein. Combination of two above markers exerted greater diagnostic performance. Exosomal circ_0070396 could discriminate HCC individuals from patients with chronic hepatitis B and liver cirrhosis. Intriguingly, exosomal circ_0070396 was positively correlated with HCC progression. Conclusion: Exosomal circ_0070396 may be a potential biomarker for HCC detection and management.
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Affiliation(s)
- Lihua Lyu
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Wenjing Yang
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jiayi Yao
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hao Wang
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jie Zhu
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Anli Jin
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Te Liu
- Shanghai Geriatric Institute of Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Beili Wang
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jian Zhou
- Department of Liver Surgery & Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis & Cancer Invasion, Ministry of Education, Shanghai, China
| | - Jia Fan
- Department of Liver Surgery & Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis & Cancer Invasion, Ministry of Education, Shanghai, China
| | - Xinrong Yang
- Department of Liver Surgery & Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University; Key Laboratory of Carcinogenesis & Cancer Invasion, Ministry of Education, Shanghai, China
| | - Wei Guo
- Department of Laboratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
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Naseer M, Hadi S, Syed A, Safdari A, Tahan V. Exosomes: A new frontier under the spotlight for diagnosis and treatment of gastrointestinal diseases. World J Meta-Anal 2021; 9:12-28. [DOI: 10.13105/wjma.v9.i1.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 12/15/2020] [Accepted: 02/22/2021] [Indexed: 02/06/2023] Open
Abstract
Exosomes are small plasma membrane-bound multivesicular bodies ranging in size from 20-100 nm. Exosomes are degraded fragments of mRNA, microRNA, and enriched in proteins, lipids, and nucleic acid. They are produced in the endosomes of most eukaryotic cells and once secreted, exosomes are involved in cell to cell communication and remodeling of the matrix in the extracellular compartment. Exosome biogenesis plays a crucial role in cellular development, inflammation, immunity, hemostasis, carcinogenesis, and degeneration. Due to their unique biochemical and biophysical properties, exosomes serve a variety of functions including biomarkers of diagnostic and prognostic significance. Besides, there is an increasing level of evidence to expand our understanding of the exosomes as novel therapeutic agents. Inflammatory bowel disease (IBD) such as Crohn's disease and ulcerative colitis, hepatic fibrosis, and gastrointestinal malignancies such as colorectal cancer are the potential avenues where exosomes can be applied as cell therapy and immunotherapy and have shown promising results in several in-vitro and animal models. The purpose of this review article is to highlight the emerging role of exosomes as the diagnostic and therapeutic tool in various diseases involving the gastrointestinal tract like IBD, hepatocellular carcinoma, and colon cancer. A thorough literature search was performed on databases such as PubMed, Ovid Medline, and EMBASE to achieve the objectives of this review article.
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Affiliation(s)
- Maliha Naseer
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, East Carolina University, Greenville, NC 27834, United States
| | - Syeda Hadi
- Rawalpindi Medical University, School of Medicine, Rawalpindi 46000, Punjab, Pakistan
| | - Ali Syed
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, University of Missouri, Columbia, MO 65212, United States
| | - Amer Safdari
- Illinois College of Medicine, School of Medicine, Chicago, IL 60612, United States
| | - Veysel Tahan
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, University of Missouri, Columbia, MO 65212, United States
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Su Y, Yu T, Wang Y, Huang X, Wei X. Circular RNA circDNM3OS Functions as a miR-145-5p Sponge to Accelerate Cholangiocarcinoma Growth and Glutamine Metabolism by Upregulating MORC2. Onco Targets Ther 2021; 14:1117-1129. [PMID: 33628035 PMCID: PMC7898209 DOI: 10.2147/ott.s289241] [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: 10/28/2020] [Accepted: 01/25/2021] [Indexed: 12/18/2022] Open
Abstract
Background Cholangiocarcinoma (CCA) is the second most common liver malignant tumor. CircRNA hsa_circ_0005230 (circDNM3OS) has been reported to exert an oncogenic role in CCA. However, the mechanisms related to circDNM3OS in CAA progression have not been fully elucidated. Methods The expression of circDNM3OS, microRNA (miR)-145-5p, and MORC2 (MORC Family CW-Type Zinc Finger 2) mRNA were analyzed by quantitative real-time polymerase chain reaction (qRT-PCR). Cell proliferation, colony formation, migration, invasion, and apoptosis were evaluated by Cell Counting Kit-8 (CCK-8), colony formation, transwell, wound-healing, and flow cytometry assays. The levels of glutamine, α-KG (α-ketoglutarate), and ATP (adenosine triphosphate) were detected using commercial kits. The relationship between circDNM3OS or MORC2 and miR-145-5p was verified by dual-luciferase reporter and/or RNA immunoprecipitation (RIP) assays. Protein level of MORC2 was measured by Western blotting. The role of circDNM3OS in CCA growth was verified by xenograft experiment. Results CircDNM3OS and MORC2 were upregulated while miR-145-5p was downregulated in CCA tissues and cells. Inhibition of circDNM3OS reduced xenograft tumor growth in vivo and constrained proliferation, colony formation, migration, invasion, induced apoptosis, and reduced glutamine metabolism of CCA cells in vitro. CircDNM3OS sponged miR-145-5p to elevate MORC2 expression. MiR-145-5p silencing overturned circDNM3OS knockdown-mediated influence on malignancy and glutamine metabolism of CCA cells. Also, MORC2 overexpression reversed the repressive impact of miR-145-5p mimic on malignancy and glutamine metabolism of CCA cells. Conclusion CircDNM3OS facilitates CCA growth and glutamine metabolism by regulating the miR-145-5p/MORC2 pathway, offering a novel mechanism to understand the progression of CCA.
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Affiliation(s)
- Yongfeng Su
- Department of General Oncology, Jiangxi Provincial Cancer Hospital, Nanchang, Jiangxi, 330029, People's Republic of China
| | - Ting Yu
- Department of General Oncology, Jiangxi Provincial Cancer Hospital, Nanchang, Jiangxi, 330029, People's Republic of China
| | - Yaqi Wang
- Department of General Oncology, Jiangxi Provincial Cancer Hospital, Nanchang, Jiangxi, 330029, People's Republic of China
| | - Xianming Huang
- Department of Pathology, Jiangxi Provincial Cancer Hospital, Jiangxi, 330029, People's Republic of China
| | - Xiaoyong Wei
- Department of Hepatobiliary Surgery, Jiangxi Provincial Cancer Hospital, Jiangxi, 330029, People's Republic of China
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Wei X, Shi Y, Dai Z, Wang P, Meng X, Yin B. Underlying metastasis mechanism and clinical application of exosomal circular RNA in tumors (Review). Int J Oncol 2021; 58:289-297. [PMID: 33650643 PMCID: PMC7864150 DOI: 10.3892/ijo.2021.5179] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 01/11/2021] [Indexed: 12/14/2022] Open
Abstract
Circular RNA (circRNA) is a long non-coding RNA molecule with a closed loop structure lacking a 5′cap and 3′tail. circRNA is stable, difficult to cleave and resistant to RNA exonuclease or RNase R degradation. circRNA molecules have several clinical applications, especially in tumors. For instance, circRNA may be used for non-invasive diagnosis, therapy and prognosis. Exosomes play a crucial role in the development of tumors. Exosomal circRNA in particular has led to increased research interest into tumorigenesis and tumor progression. Additionally, exosomal circRNA plays a role in cell-cell communication. Exosomal circRNA facilitates tumor metastasis by altering the tumor microenvironment and the pre-metastatic niche. Additionally, studies have revealed the mechanism by which exosomal circRNA affects malignant progression through signal transduction. Moreover, exosomal circRNA promotes tumor metastasis by regulating gene expression, RNA transcription and protein translation. In this review, the biological features and clinical application of exosomal circRNA are described, highlighting the underlying mechanisms through which they regulate tumor metastasis. The application of circRNA as clinical diagnostic biomarkers and in the development of novel therapeutic strategies is also discussed.
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Affiliation(s)
- Xuezhi Wei
- Department of Urology, Sheng Jing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Yaxing Shi
- Department of Urology, Sheng Jing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Zhijun Dai
- Department of Surgery, People's Hospital of Nong An Country, Changchun, Jilin 130200, P.R. China
| | - Pei Wang
- Department of Orthopedics, Chengde Affiliated Hospital of Chengde Medical College, Chengde, Hebei 067000, P.R. China
| | - Xin Meng
- Department of Biochemistry and Molecular Biology, School of Life Sciences, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Bo Yin
- Department of Urology, Sheng Jing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
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Zhu C, Su Y, Liu L, Wang S, Liu Y, Wu J. Circular RNA hsa_circ_0004277 Stimulates Malignant Phenotype of Hepatocellular Carcinoma and Epithelial-Mesenchymal Transition of Peripheral Cells. Front Cell Dev Biol 2021; 8:585565. [PMID: 33511111 PMCID: PMC7835424 DOI: 10.3389/fcell.2020.585565] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 12/07/2020] [Indexed: 12/12/2022] Open
Abstract
Accumulating evidence shows that exosomal circRNAs reflect the physiological status of donor cells, and various cell reactions are induced after exosomal circRNAs are captured by recipient cells. In this study, qRT-PCR was performed to detect circ-0004277 expression in hepatocellular carcinoma (HCC) cell lines, tissues, and plasma exosomes. The effects of circ-0004277 on the proliferation and migration of HCC cells were assessed by cell counting, 5-ethynyl-2'-deoxyuridine assays, Transwell migration assays, and tumor formation in nude mice. We found that circ-0004277 was significantly upregulated in HCC cells, tissues, and plasma exosomes compared to that in normal controls. Overexpression of circ-0004277 enhanced the proliferation, migration, and epithelial-mesenchymal transition (EMT) of HCC cells in vivo and in vitro. Furthermore, exosomes from HCC cells enhanced circ-0004277 expression in surrounding normal cells and stimulated EMT progression. ZO-1, a tight junction adapter protein, was downregulated in HCC tissues. In conclusion, our findings suggest that circ-0004277 promotes the malignant phenotype of HCC cells via inhibition of ZO-1 and promotion of EMT progression. In addition, exosomal circ-0004277 from HCC cells stimulates EMT of peripheral cells through cellular communication to further promote the invasion of HCC into normal surrounding tissues.
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Affiliation(s)
- Chuanrong Zhu
- Department of Hepatobiliary and Pancreatic Surgery, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Yang Su
- Department of Surgery, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Lei Liu
- Department of Hepatobiliary and Pancreatic Surgery, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Shaochuang Wang
- Department of Hepatobiliary and Pancreatic Surgery, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Yuting Liu
- Department of Surgery, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Jinsheng Wu
- Department of Hepatobiliary and Pancreatic Surgery, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an, China
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Gu R, Shao K, Xu Q, Zhao X, Qiu H, Hu H. Circular RNA hsa_circ_0008003 facilitates tumorigenesis and development of non-small cell lung carcinoma via modulating miR-488/ZNF281 axis. J Cell Mol Med 2020; 26:1754-1765. [PMID: 33320427 PMCID: PMC8918407 DOI: 10.1111/jcmm.15987] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 09/07/2020] [Accepted: 09/29/2020] [Indexed: 01/03/2023] Open
Abstract
As one of the most aggressive malignancies, non‐small cell lung carcinoma (NSCLC) has high risks of death. It has been demonstrated that circRNAs accelerate NSCLC progression, but the underlying molecular mechanisms of circRNAs in NSCLC were still obscure. In the first place, the circRNA microarray of NSCLC was investigated in this study, and hsa_circ_0008003 (circ‐0008003) was chosen as the research object. Then, it was unveiled that the expression of circ‐0008003 examined via qRT‐PCR was elevated in tumour tissues relative to the non‐tumour tissues, which was associated with TNM stage and lymphatic metastasis in NSCLC. Additionally, the prognosis of NSCLC patients with high circ‐0008003 level was poor. Besides, circ‐0008003 silencing dampened the invasion and proliferation of NSCLC cells. Next, according to the mechanistic studies, circ‐0008003 functioned as a ceRNA of ZNF281 in NSCLC by acting as the endogenous sponge for miR‐488, which was proved to be a tumour suppressor in NSCLC. Additionally, ZNF281 overexpression and miR‐488 suppression recovered the influences of repressed circ‐0008003 on NSCLC cellular processes. It was validated in this research that circ‐0008003 triggered tumour formation in NSCLC, which was adjusted via miR‐488/ZNF281 axis, casting a novel light on the resultful target for treating NSCLC and predicting the prognosis.
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Affiliation(s)
- Runhuan Gu
- Department of Oncology, The Affiliated Huai'an Hospital of Xuzhou Medical University, The Second People's Hospital of Huai'an, Huai'an, China
| | - Koufeng Shao
- Department of Oncology, Huai'an Chuzhou Hospital of Traditional Chinese Medicine, Zhongda Hospital Group Hospital Addiliated to Southest University, Huai'an, China
| | - Qiaoxia Xu
- Nursing Department, Huaiyin Hospital of Huai'an City, Huai'an, China
| | - Xue Zhao
- Department of Thoracic Surgery, The Affiliated Huai'an Hospital of Xuzhou Medical University, The Second People's Hospital of Huai'an, Huai'an, China
| | - Haibing Qiu
- Department of Respiratory, Huaiyin Hospital of Huai'an City, Huai'an, China
| | - Haibo Hu
- Department of Thoracic Surgery, The Affiliated Huai'an Hospital of Xuzhou Medical University, The Second People's Hospital of Huai'an, Huai'an, China
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