1
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Zhang Y, Zhang C, Peng C, Jia J. Unraveling the crosstalk: circRNAs and the wnt signaling pathway in cancers of the digestive system. Noncoding RNA Res 2024; 9:853-864. [PMID: 38586314 PMCID: PMC10995981 DOI: 10.1016/j.ncrna.2024.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 03/02/2024] [Accepted: 03/03/2024] [Indexed: 04/09/2024] Open
Abstract
Circular RNA (circRNA) is a unique type of noncoding RNA molecule characterized by its closed-loop structure. Functionally versatile, circRNAs play pivotal roles in gene expression regulation, protein activity modulation, and participation in cell signaling processes. In the context of cancers of the digestive system, the Wnt signaling pathway holds particular significance. Anomalous activation of the Wnt pathway serves as a primary catalyst for the development of colorectal cancer. Extensive research underscores the notable participation of circRNAs associated with the Wnt pathway in the progression of digestive system tumors. These circRNAs exhibit pronounced dysregulation across esophageal cancer, gastric cancer, liver cancer, colorectal cancer, pancreatic cancer, and cholangiocarcinoma. Furthermore, the altered expression of circRNAs linked to the Wnt pathway correlates with prognostic factors in digestive system tumors. Additionally, circRNAs related to the Wnt pathway showcase potential as diagnostic, therapeutic, and prognostic markers within the realm of digestive system tumors. This comprehensive review outlines the interplay between circRNAs and the Wnt signaling pathway in cancers of the digestive system. It seeks to provide a comprehensive perspective on their association while delving into ongoing research that explores the clinical applications of circRNAs associated with the Wnt pathway.
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Affiliation(s)
- Yu Zhang
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Cheng Zhang
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Chuanhui Peng
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Junjun Jia
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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2
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Sokouti B. The identification of biomarkers for Alzheimer's disease using a systems biology approach based on lncRNA-circRNA-miRNA-mRNA ceRNA networks. Comput Biol Med 2024; 179:108860. [PMID: 38996555 DOI: 10.1016/j.compbiomed.2024.108860] [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: 03/13/2024] [Revised: 06/16/2024] [Accepted: 07/06/2024] [Indexed: 07/14/2024]
Abstract
In addition to being the most prevalent form of neurodegeneration among the elderly, AD is a devastating multifactorial disease. Currently, treatments address only its symptoms. Several clinical studies have shown that the disease begins to manifest decades before the first symptoms appear, indicating that studying early changes is crucial to improving early diagnosis and discovering novel treatments. Our study used bioinformatics and systems biology to identify biomarkers in AD that could be used for diagnosis and prognosis. The procedure was performed on data from the GEO database, and GO and KEGG enrichment analysis were performed. Then, we set up a network of interactions between proteins. Several miRNA prediction tools including miRDB, miRWalk, and TargetScan were used. The ceRNA network led to the identification of eight mRNAs, four circRNAs, seven miRNAs, and seven lncRNAs. Multiple mechanisms, including the cell cycle and DNA replication, have been linked to the promotion of AD development by the ceRNA network. By using the ceRNA network, it should be possible to extract prospective biomarkers and therapeutic targets for the treatment of AD. It is possible that the processes involved in DNA cell cycle and the replication of DNA contribute to the development of Alzheimer's disease.
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Affiliation(s)
- Babak Sokouti
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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3
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Hama Faraj GS, Hussen BM, Abdullah SR, Fatih Rasul M, Hajiesmaeili Y, Baniahmad A, Taheri M. Advanced approaches of the use of circRNAs as a replacement for cancer therapy. Noncoding RNA Res 2024; 9:811-830. [PMID: 38590433 PMCID: PMC10999493 DOI: 10.1016/j.ncrna.2024.03.012] [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: 12/14/2023] [Revised: 03/18/2024] [Accepted: 03/29/2024] [Indexed: 04/10/2024] Open
Abstract
Cancer is a broad name for a group of diseases in which abnormal cells grow out of control and are characterized by their complexity and recurrence. Although there has been progress in cancer therapy with the entry of precision medicine and immunotherapy, cancer incidence rates have increased globally. Non-coding RNAs in the form of circular RNAs (circRNAs) play crucial roles in the pathogenesis, clinical diagnosis, and therapy of different diseases, including cancer. According to recent studies, circRNAs appear to serve as accurate indicators and therapeutic targets for cancer treatment. However, circRNAs are promising candidates for cutting-edge cancer therapy because of their distinctive circular structure, stability, and wide range of capabilities; many challenges persist that decrease the applications of circRNA-based cancer therapeutics. Here, we explore the roles of circRNAs as a replacement for cancer therapy, highlight the main challenges facing circRNA-based cancer therapies, and discuss the key strategies to overcome these challenges to improve advanced innovative therapies based on circRNAs with long-term health effects.
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Affiliation(s)
- Goran Sedeeq Hama Faraj
- Department of Medical Laboratory Science, Komar University of Science and Technology, Sulaymaniyah, 46001, Iraq
| | - Bashdar Mahmud Hussen
- Department of Biomedical Sciences, College of Science, Cihan University-Erbil, Erbil, Kurdistan Region, 44001, Iraq
- Department of Clinical Analysis, College of Pharmacy, Hawler Medical University, Erbil, Kurdistan Region, 44001, Iraq
| | - Snur Rasool Abdullah
- Medical Laboratory Science, Lebanese French University, Erbil, Kurdistan Region, 44001, Iraq
| | - Mohammed Fatih Rasul
- Department of Pharmaceutical Basic Science, Faculty of Pharmacy, Tishk International University, Erbil, Kurdistan Region, Iraq
| | | | - Aria Baniahmad
- Institute of Human Genetics, Jena University Hospital, Jena, Germany
| | - Mohammad Taheri
- Institute of Human Genetics, Jena University Hospital, Jena, Germany
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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4
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Zhang Z, Fu Y, Ju X, Zhang F, Zhang P, He M. Advances in Engineering Circular RNA Vaccines. Pathogens 2024; 13:692. [PMID: 39204292 PMCID: PMC11356823 DOI: 10.3390/pathogens13080692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2024] [Revised: 08/07/2024] [Accepted: 08/13/2024] [Indexed: 09/03/2024] Open
Abstract
Engineered circular RNAs (circRNAs) are a class of single-stranded RNAs with head-to-tail covalently linked structures that integrate open reading frames (ORFs) and internal ribosome entry sites (IRESs) with the function of coding and expressing proteins. Compared to mRNA vaccines, circRNA vaccines offer a more improved method that is safe, stable, and simple to manufacture. With the rapid revelation of the biological functions of circRNA and the success of Severe Acute Respiratory Coronavirus Type II (SARS-CoV-2) mRNA vaccines, biopharmaceutical companies and researchers around the globe are attempting to develop more stable circRNA vaccines for illness prevention and treatment. Nevertheless, research on circRNA vaccines is still in its infancy, and more work and assessment are needed for their synthesis, delivery, and use. In this review, based on the current understanding of the molecular biological properties and immunotherapeutic mechanisms of circRNA, we summarize the current preparation methods of circRNA vaccines, including design, synthesis, purification, and identification. We discuss their delivery strategies and summarize the challenges facing the clinical application of circRNAs to provide references for circRNA vaccine-related research.
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Affiliation(s)
- Zhongyan Zhang
- School of Pharmacy, Yantai University, Yantai 264005, China;
| | - Yuanlei Fu
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai 264005, China; (Y.F.); (X.J.); (F.Z.)
| | - Xiaoli Ju
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai 264005, China; (Y.F.); (X.J.); (F.Z.)
| | - Furong Zhang
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai 264005, China; (Y.F.); (X.J.); (F.Z.)
| | - Peng Zhang
- School of Pharmacy, Yantai University, Yantai 264005, China;
| | - Meilin He
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai 264005, China; (Y.F.); (X.J.); (F.Z.)
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5
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Jun L, Wang Z, Wang S, Liao X, Qin T, Guo W. Circular RNAs as potential biomarkers for male severe sepsis. Open Life Sci 2024; 19:20220900. [PMID: 39071490 PMCID: PMC11282911 DOI: 10.1515/biol-2022-0900] [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: 10/18/2023] [Revised: 06/03/2024] [Accepted: 06/03/2024] [Indexed: 07/30/2024] Open
Abstract
Circular RNAs (circRNAs) play important roles in many human diseases. However, their role in the development of severe sepsis, a condition that remains one of the main causes of death in intensive care units, has not yet been defined. In this study, we interrogated the molecular mechanisms of circRNAs in severe sepsis. We profiled the expression levels of 5,680 circRNAs in plasma extracted from blood samples of 9 severe sepsis cases or 9 controls (male, age 78 ± 7) using the Human circRNA Array. To enrich protein-coding genes hosting severe sepsis-related circRNAs, we conducted gene ontology and pathways analyses. Out of the identified 760 differentially expressed circRNAs, 404 were upregulated while 356 were downregulated (fold change [FC] ≥2 or ≤-2, and false discovery ratio <0.05). Circ-0008285 (located in exons of CDYL), showed significant upregulation in severe sepsis with an FC of 13.7, and Bonferroni-corrected P < 0.05/5. In silico analysis identified Circ-0008285 interacting microRNAs as well as protein-coding genes. We systematically investigated the differential expression pattern of circRNAs in severe sepsis. The circRNAs we identified might serve as potential biomarkers for diagnosis and prognosis of sepsis.
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Affiliation(s)
- Liang Jun
- Department of Intensive Care, Guangdong Geriatrics Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou510080, China
| | - Zhonghua Wang
- Department of Intensive Care, Guangdong Geriatrics Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou510080, China
| | - Shouhong Wang
- Department of Intensive Care, Guangdong Geriatrics Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou510080, China
| | - Xiaolong Liao
- Department of Intensive Care, Guangdong Geriatrics Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou510080, China
| | - Tiehe Qin
- Department of Intensive Care, Guangdong Geriatrics Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou510080, China
| | - Weixin Guo
- Department of Intensive Care, Guangdong Geriatrics Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, No. 106 Zhongshan Road, Guangzhou510080, China
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6
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Okholm TLH, Kamstrup AB, Nielsen MM, Hollensen AK, Graversgaard ML, Sørensen MH, Kristensen LS, Vang S, Park SS, Yeo E, Dyrskjøt L, Kjems J, Pedersen JS, Damgaard CK. circHIPK3 nucleates IGF2BP2 and functions as a competing endogenous RNA. eLife 2024; 13:RP91783. [PMID: 39041323 PMCID: PMC11265796 DOI: 10.7554/elife.91783] [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] [Indexed: 07/24/2024] Open
Abstract
Circular RNAs represent a class of endogenous RNAs that regulate gene expression and influence cell biological decisions with implications for the pathogenesis of several diseases. Here, we disclose a novel gene-regulatory role of circHIPK3 by combining analyses of large genomics datasets and mechanistic cell biological follow-up experiments. Using time-course depletion of circHIPK3 and specific candidate RNA-binding proteins, we identify several perturbed genes by RNA sequencing analyses. Expression-coupled motif analyses identify an 11-mer motif within circHIPK3, which also becomes enriched in genes that are downregulated upon circHIPK3 depletion. By mining eCLIP datasets and combined with RNA immunoprecipitation assays, we demonstrate that the 11-mer motif constitutes a strong binding site for IGF2BP2 in bladder cancer cell lines. Our results suggest that circHIPK3 can sequester IGF2BP2 as a competing endogenous RNA (ceRNA), leading to target mRNA stabilization. As an example of a circHIPK3-regulated gene, we focus on the STAT3 mRNA as a specific substrate of IGF2BP2 and validate that manipulation of circHIPK3 regulates IGF2BP2-STAT3 mRNA binding and, thereby, STAT3 mRNA levels. Surprisingly, absolute copy number quantifications demonstrate that IGF2BP2 outnumbers circHIPK3 by orders of magnitude, which is inconsistent with a simple 1:1 ceRNA hypothesis. Instead, we show that circHIPK3 can nucleate multiple copies of IGF2BP2, potentially via phase separation, to produce IGF2BP2 condensates. Our results support a model where a few cellular circHIPK3 molecules can induce IGF2BP2 condensation, thereby regulating key factors for cell proliferation.
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Affiliation(s)
- Trine Line Hauge Okholm
- Department of Molecular Medicine (MOMA), Aarhus University HospitalAarhusDenmark
- Departments of Otolaryngology-Head and Neck Surgery and Microbiology & Immunology, University of California, San FranciscoSan FranciscoUnited States
- Department of Clinical Medicine, Aarhus UniversityAarhusDenmark
| | | | - Morten Muhlig Nielsen
- Department of Molecular Medicine (MOMA), Aarhus University HospitalAarhusDenmark
- Department of Clinical Medicine, Aarhus UniversityAarhusDenmark
| | | | | | | | | | - Søren Vang
- Department of Molecular Medicine (MOMA), Aarhus University HospitalAarhusDenmark
| | - Samuel S Park
- Department of Cellular and Molecular Medicine, University of California, San DiegoSan DiegoUnited States
| | - Eugene Yeo
- Department of Cellular and Molecular Medicine, University of California, San DiegoSan DiegoUnited States
| | - Lars Dyrskjøt
- Department of Molecular Medicine (MOMA), Aarhus University HospitalAarhusDenmark
- Department of Clinical Medicine, Aarhus UniversityAarhusDenmark
| | - Jørgen Kjems
- Department of Molecular Biology and Genetics, Aarhus UniversityAarhusDenmark
- Interdisciplinary Nanoscience Center (iNANO), Aarhus UniversityAarhusDenmark
| | - Jakob Skou Pedersen
- Department of Molecular Medicine (MOMA), Aarhus University HospitalAarhusDenmark
- Department of Clinical Medicine, Aarhus UniversityAarhusDenmark
- Bioinformatics Research Center (BiRC), Aarhus UniversityAarhusDenmark
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7
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Leng X, Zhang M, Xu Y, Wang J, Ding N, Yu Y, Sun S, Dai W, Xue X, Li N, Yang Y, Shi Z. Non-coding RNAs as therapeutic targets in cancer and its clinical application. J Pharm Anal 2024; 14:100947. [PMID: 39149142 PMCID: PMC11325817 DOI: 10.1016/j.jpha.2024.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 01/12/2024] [Accepted: 02/01/2024] [Indexed: 08/17/2024] Open
Abstract
Cancer genomics has led to the discovery of numerous oncogenes and tumor suppressor genes that play critical roles in cancer development and progression. Oncogenes promote cell growth and proliferation, whereas tumor suppressor genes inhibit cell growth and division. The dysregulation of these genes can lead to the development of cancer. Recent studies have focused on non-coding RNAs (ncRNAs), including circular RNA (circRNA), long non-coding RNA (lncRNA), and microRNA (miRNA), as therapeutic targets for cancer. In this article, we discuss the oncogenes and tumor suppressor genes of ncRNAs associated with different types of cancer and their potential as therapeutic targets. Here, we highlight the mechanisms of action of these genes and their clinical applications in cancer treatment. Understanding the molecular mechanisms underlying cancer development and identifying specific therapeutic targets are essential steps towards the development of effective cancer treatments.
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Affiliation(s)
- Xuejiao Leng
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Mengyuan Zhang
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yujing Xu
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Jingjing Wang
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Ning Ding
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yancheng Yu
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Shanliang Sun
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Weichen Dai
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Xin Xue
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Nianguang Li
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Ye Yang
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Zhihao Shi
- Laboratory of Molecular Design and Drug Discovery, School of Science, China Pharmaceutical University, Nanjing, 211198, China
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8
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Okholm TLH, Kamstrup AB, Nielsen MM, Hollensen AK, Graversgaard ML, Sørensen MH, Kristensen LS, Vang S, Park SS, Yeo GW, Dyrskjøt L, Kjems J, Pedersen JS, Damgaard CK. circHIPK3 nucleates IGF2BP2 and functions as a competing endogenous RNA. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.09.14.557527. [PMID: 37745562 PMCID: PMC10515936 DOI: 10.1101/2023.09.14.557527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
Circular RNAs (circRNAs) represent a class of widespread endogenous RNAs that regulate gene expression and thereby influence cell biological decisions with implications for the pathogenesis of several diseases. Here, we disclose a novel gene-regulatory role of circHIPK3 by combining analyses of large genomics datasets and mechanistic cell biological follow-up experiments. Specifically, we use temporal depletion of circHIPK3 or specific RNA binding proteins (RBPs) and identify several perturbed genes by RNA sequencing analyses. Using expression-coupled motif analyses of mRNA expression data from various knockdown experiments, we identify an 11-mer motif within circHIPK3, which is also enriched in genes that become downregulated upon circHIPK3 depletion. By mining eCLIP datasets, we find that the 11-mer motif constitutes a strong binding site for IGF2BP2 and validate this circHIPK3-IGF2BP2 interaction experimentally using RNA-immunoprecipitation and competition assays in bladder cancer cell lines. Our results suggest that circHIPK3 and IGF2BP2 mRNA targets compete for binding. Since the identified 11-mer motif found in circHIPK3 is enriched in upregulated genes following IGF2BP2 knockdown, and since IGF2BP2 depletion conversely globally antagonizes the effect of circHIPK3 knockdown on target genes, our results suggest that circHIPK3 can sequester IGF2BP2 as a competing endogenous RNA (ceRNA), leading to target mRNA stabilization. As an example of a circHIPK3-regulated gene, we focus on the STAT3 mRNA as a specific substrate of IGF2BP2 and validate that manipulation of circHIPK3 regulates IGF2BP2- STAT3 mRNA binding and thereby STAT3 mRNA levels. However, absolute copy number quantifications demonstrate that IGF2BP2 outnumbers circHIPK3 by orders of magnitude, which is inconsistent with a simple 1:1 ceRNA hypothesis. Instead, we show that circHIPK3 can nucleate multiple copies of IGF2BP2, potentially via phase separation, to produce IGF2BP2 condensates. Finally, we show that circHIPK3 expression correlates with overall survival of patients with bladder cancer. Our results are consistent with a model where relatively few cellular circHIPK3 molecules function as inducers of IGF2BP2 condensation thereby regulating STAT3 and other key factors for cell proliferation and potentially cancer progression.
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9
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Luo Y, Deng L. DPMGCDA: Deciphering circRNA-Drug Sensitivity Associations with Dual Perspective Learning and Path-Masked Graph Autoencoder. J Chem Inf Model 2024; 64:4359-4372. [PMID: 38745420 DOI: 10.1021/acs.jcim.4c00573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Accumulating evidence has indicated that the expression of circular RNAs (circRNAs) can affect the cellular sensitivity to drugs and significantly influence drug efficacy. However, traditional experimental approaches for validating these associations are resource-intensive and time-consuming. To address this challenge, we propose a computational framework termed DPMGCDA leveraging dual perspective learning and path-masked graph autoencoder to predict circRNA-drug sensitivity associations. Initially, we construct circRNA-circRNA fusion similarity networks and drug-drug fusion similarity networks using similarity network fusion, ensuring a comprehensive integration of information. Based on the above, we built the circRNA homogeneous graph, the drug homogeneous graph, and the circRNA-drug heterogeneous graph. Next, we form the initial node features in the circRNA-drug heterogeneous graph from the homogeneous graph-level perspective and the combined feature-level perspective and complete the prediction of potential associations using the path-masked graph autoencoder in both perspectives. The predictions under both perspectives are finally combined to obtain the final prediction score. Transductive setting experiments and inductive setting experiments all demonstrate that our method, DPMGCDA, outperforms state-of-the-art approaches. Additionally, we verify the necessity of employing dual perspective learning through ablation tests and analyze the effective encoding capability of the path-masked graph autoencoder for features through embedding visualization. Moreover, case studies on four drugs corroborate DPMGCDA's ability to identify potential circRNAs associated with new drugs.
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Affiliation(s)
- Yue Luo
- School of Computer Science and Engineering, Central South University, Changsha 410083, China
| | - Lei Deng
- School of Computer Science and Engineering, Central South University, Changsha 410083, China
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10
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Qi JH, Huang SL, Jin SZ. Novel milestones for early esophageal carcinoma: From bench to bed. World J Gastrointest Oncol 2024; 16:1104-1118. [PMID: 38660637 PMCID: PMC11037034 DOI: 10.4251/wjgo.v16.i4.1104] [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: 12/15/2023] [Revised: 01/28/2024] [Accepted: 02/26/2024] [Indexed: 04/10/2024] Open
Abstract
Esophageal cancer (EC) is the seventh most common cancer worldwide, and esophageal squamous cell carcinoma (ESCC) accounts for the majority of cases of EC. To effectively diagnose and treat ESCC and improve patient prognosis, timely diagnosis in the initial phase of the illness is necessary. This article offers a detailed summary of the latest advancements and emerging technologies in the timely identification of ECs. Molecular biology and epigenetics approaches involve the use of molecular mechanisms combined with fluorescence quantitative polymerase chain reaction (qPCR), high-throughput sequencing technology (next-generation sequencing), and digital PCR technology to study endogenous or exogenous biomolecular changes in the human body and provide a decision-making basis for the diagnosis, treatment, and prognosis of diseases. The investigation of the microbiome is a swiftly progressing area in human cancer research, and microorganisms with complex functions are potential components of the tumor microenvironment. The intratumoral microbiota was also found to be connected to tumor progression. The application of endoscopy as a crucial technique for the early identification of ESCC has been essential, and with ongoing advancements in technology, endoscopy has continuously improved. With the advancement of artificial intelligence (AI) technology, the utilization of AI in the detection of gastrointestinal tumors has become increasingly prevalent. The implementation of AI can effectively resolve the discrepancies among observers, improve the detection rate, assist in predicting the depth of invasion and differentiation status, guide the pericancerous margins, and aid in a more accurate diagnosis of ESCC.
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Affiliation(s)
- Ji-Han Qi
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang Province, China
| | - Shi-Ling Huang
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang Province, China
| | - Shi-Zhu Jin
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang Province, China
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11
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Guo R, Zhang K, Zang H, Guo S, Liu X, Jing X, Song Y, Li K, Wu Y, Jiang H, Fu Z, Chen D. Dynamics and regulatory role of circRNAs in Asian honey bee larvae following fungal infection. Appl Microbiol Biotechnol 2024; 108:261. [PMID: 38472661 DOI: 10.1007/s00253-024-13102-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 02/19/2024] [Accepted: 03/03/2024] [Indexed: 03/14/2024]
Abstract
Non-coding RNA (ncRNA) plays a vital part in the regulation of immune responses, growth, and development in plants and animals. Here, the identification, characteristic analysis, and molecular verification of circRNAs in Apis cerana cerana worker larval guts were conducted, followed by in-depth investigation of the expression pattern of larval circRNAs during Ascosphaera apis infection and exploration of the potential regulatory part of differentially expressed circRNAs (DEcircRNAs) in host immune responses. A total of 3178 circRNAs in the larval guts of A. c. cerana were identified, with a length distribution ranging from 15 to 96,007 nt. Additionally, 155, 95, and 86 DEcircRNAs were identified in the in the 4-, 5-, and 6-day-old larval guts following A. apis infection. These DEcircRNAs were predicted to target 29, 25, and 18 parental genes relevant to 12, 20, and 17 GO terms as well as 144, 114, and 61 KEGG pathways, including 5 cellular and 4 humoral immune pathways. Complex competing endogenous RNA (ceRNA) regulatory networks were detected as being formed among DEcircRNAs, DEmiRNAs, and DEmRNAs. The target DEmRNAs were engaged in 36, 47, and 47 GO terms as well as 331, 332, and 331 pathways, including 6 cellular and 6 humoral immune pathways. Further, 19 DEcircRNAs, 5 DEmiRNAs, and 3 mRNAs were included in the sub-networks relative to 3 antioxidant enzymes. Finally, back-splicing sites within 15 circRNAs and the difference in the 15 DEcircRNAs' expression between uninoculated and A. apis-inoculated larval guts were confirmed based on molecular methods. These findings not only enrich our understanding of bee host-fungal pathogen interactions but also lay a foundation for illuminating the mechanism underlying the DEcircRNA-mediated immune defense of A. c. cerana larvae against A. apis invasion. KEY POINTS: • The expression pattern of circRNAs was altered in the A. cerana worker larval guts following A. apis infection. • Back-splicing sites within 15 A. cerana circRNAs were verified using molecular approaches. DEcircRNAs potentially modulated immune responses and antioxidant enzymes in A. apis-challenged host guts.
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Affiliation(s)
- Rui Guo
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
- National & Local United Engineering Laboratory of Natural Biotoxin, Fuzhou, 350002, China.
- Apitherapy Research Institute of Fujian Province, Fuzhou, 350002, China.
| | - Kaiyao Zhang
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - He Zang
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Sijia Guo
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Xiaoyu Liu
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Xin Jing
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Yuxuan Song
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Kunze Li
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Ying Wu
- Apiculture Science Institute of Jilin Province, Jilin, Jilin, 132000, China
| | - Haibing Jiang
- Apiculture Science Institute of Jilin Province, Jilin, Jilin, 132000, China
| | - Zhongmin Fu
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
- National & Local United Engineering Laboratory of Natural Biotoxin, Fuzhou, 350002, China
- Apitherapy Research Institute of Fujian Province, Fuzhou, 350002, China
| | - Dafu Chen
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
- National & Local United Engineering Laboratory of Natural Biotoxin, Fuzhou, 350002, China
- Apitherapy Research Institute of Fujian Province, Fuzhou, 350002, China
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12
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Shrestha SM, Fang X, Ye H, Ren L, Ji Q, Shi R. A novel upregulated hsa_circ_0032746 regulates the oncogenesis of esophageal squamous cell carcinoma by regulating miR-4270/MCM3 axis. Hum Genomics 2024; 18:3. [PMID: 38200573 PMCID: PMC10777493 DOI: 10.1186/s40246-023-00564-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Accepted: 12/06/2023] [Indexed: 01/12/2024] Open
Abstract
INTRODUCTION Circular RNAs (CircRNA) have emerged as an interest of research in recent years due to its regulatory role in various kinds of cancers of human body. Esophageal squamous cell carcinoma (ESCC) is one of the major disease subtype in Asian countries, including China. CircRNAs are formed by back-splicing covalently joined 3'- and 5'- ends rather than canonical splicing and are found to have binding affinity with miRNAs that conjointly contribute to oncogenesis. MATERIALS AND METHODS 4 pairs of normal, cancer adjacent tissues and cancer tissues were analyzed by high-throughput RNA sequencing and 84 differentially upregulated circRNAs were detected in cancer tissues. hsa_circ_0032746 was silenced by siRNA and lentivirus and then further proliferation, migration and invasion were performed by CCK-8 and transwell assays. Bioinformatic analysis predicted binding affinity of circRNA/miRNA/mRNA axis. RESULTS After qPCR validation, we selected a novel upregulated hsa_circ_0032746 to explore its biogenetic functions which showed high expression in cancer tissues but not in cancer adjacent tissues. The clinicopathological relation of hsa_circ_0032746 showed positive correlation with the tumor location (P = 0.026) and gender (P = 0.05). We also predicted that hsa_circ_0032746 could sponge with microRNA. Bioinformatic analysis predicted 11 microRNA response element (MRE) sequences of hsa_circ_0032746 and dual luciferase reporter assay confirmed binding affinity with miR4270 evidencing further study of circRNA/miRNA role. The knockdown of hsa_circ_0032746 by siRNA and lentivirus demonstrated that proliferation, invasion and migration of ESCC were inhibited in vitro and vivo experiments. Bioinformatic analysis further predicted MCM3 as a target of miR-4270 and was found upregulated in ESCC upon validation. miR4270 mimic decreased the level of hsa_circ_0032746 and MCM3 while further rescue experiments demonstrated that hsa_circ_0032746 was dependent on miR4270/MCM3 axis on the development process of ESCC. CONCLUSION We revealed for the first time that circ_0032746/mir4270/MCM3 contributes in proliferation, migration and invasion of ESCC and could have potential prognostic and therapeutic significance.
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Affiliation(s)
- Sachin Mulmi Shrestha
- Department of Gastroenterology, School of Medicine, Southeast University, Nanjing, Jiangsu Province, China
| | - Xin Fang
- Department of Gastroenterology, School of Medicine, Southeast University, Nanjing, Jiangsu Province, China
| | - Hui Ye
- Department of Gastroenterology, Zhongda Hospital Affiliated to Southeast University, Nanjing, Jiangsu Province, China
| | - Lihua Ren
- Department of Gastroenterology, Zhongda Hospital Affiliated to Southeast University, Nanjing, Jiangsu Province, China
| | - Qinghua Ji
- Department of Gastroenterology, Zhongda Hospital Affiliated to Southeast University, Nanjing, Jiangsu Province, China
| | - Ruihua Shi
- Department of Gastroenterology, School of Medicine, Southeast University, Nanjing, Jiangsu Province, China.
- Department of Gastroenterology, Zhongda Hospital Affiliated to Southeast University, Nanjing, Jiangsu Province, China.
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13
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Lu S, Liang Y, Li L, Liao S, Zou Y, Yang C, Ouyang D. Inferring circRNA-drug sensitivity associations via dual hierarchical attention networks and multiple kernel fusion. BMC Genomics 2023; 24:796. [PMID: 38129810 PMCID: PMC10734204 DOI: 10.1186/s12864-023-09899-w] [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: 08/28/2023] [Accepted: 12/12/2023] [Indexed: 12/23/2023] Open
Abstract
Increasing evidence has shown that the expression of circular RNAs (circRNAs) can affect the drug sensitivity of cells and significantly influence drug efficacy. Therefore, research into the relationships between circRNAs and drugs can be of great significance in increasing the comprehension of circRNAs function, as well as contributing to the discovery of new drugs and the repurposing of existing drugs. However, it is time-consuming and costly to validate the function of circRNA with traditional medical research methods. Therefore, the development of efficient and accurate computational models that can assist in discovering the potential interactions between circRNAs and drugs is urgently needed. In this study, a novel method is proposed, called DHANMKF , that aims to predict potential circRNA-drug sensitivity interactions for further biomedical screening and validation. Firstly, multimodal networks were constructed by DHANMKF using multiple sources of information on circRNAs and drugs. Secondly, comprehensive intra-type and inter-type node representations were learned using bi-typed multi-relational heterogeneous graphs, which are attention-based encoders utilizing a hierarchical process. Thirdly, the multi-kernel fusion method was used to fuse intra-type embedding and inter-type embedding. Finally, the Dual Laplacian Regularized Least Squares method (DLapRLS) was used to predict the potential circRNA-drug sensitivity associations using the combined kernel in circRNA and drug spaces. Compared with the other methods, DHANMKF obtained the highest AUC value on two datasets. Code is available at https://github.com/cuntjx/DHANMKF .
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Affiliation(s)
- Shanghui Lu
- Faculty of Innovation Enginee, Macau University of Science and Technology, Avenida Wai Long, Taipa, 999078, Macao, Macao Special Administrative Region of China, China
- School of Mathematics and Physics, Hechi University, No.42, Longjiang, 546300, Guangxi, China
| | - Yong Liang
- Faculty of Innovation Enginee, Macau University of Science and Technology, Avenida Wai Long, Taipa, 999078, Macao, Macao Special Administrative Region of China, China.
- Peng Cheng Laboratory, Shenzhen, 518055, Guangdong, China.
| | - Le Li
- Faculty of Innovation Enginee, Macau University of Science and Technology, Avenida Wai Long, Taipa, 999078, Macao, Macao Special Administrative Region of China, China
| | - Shuilin Liao
- Faculty of Innovation Enginee, Macau University of Science and Technology, Avenida Wai Long, Taipa, 999078, Macao, Macao Special Administrative Region of China, China
| | - Yongfu Zou
- School of Mathematics and Physics, Hechi University, No.42, Longjiang, 546300, Guangxi, China
| | - Chengjun Yang
- School of Artificial Intelligence and Manufacturing, Hechi University, No.42, Longjiang, 546300, Guangxi, China
| | - Dong Ouyang
- Faculty of Innovation Enginee, Macau University of Science and Technology, Avenida Wai Long, Taipa, 999078, Macao, Macao Special Administrative Region of China, China
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14
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Xiao Y, Hu Y, Liu S. Non-coding RNAs: a promising target for early metastasis intervention. Chin Med J (Engl) 2023; 136:2538-2550. [PMID: 37442775 PMCID: PMC10617820 DOI: 10.1097/cm9.0000000000002619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Indexed: 07/15/2023] Open
Abstract
ABSTRACT Metastases account for the overwhelming majority of cancer-associated deaths. The dissemination of cancer cells from the primary tumor to distant organs involves a complex process known as the invasion-metastasis cascade. The underlying biological mechanisms of metastasis, however, remain largely elusive. Recently, the discovery and characterization of non-coding RNAs (ncRNAs) have revealed the diversity of their regulatory roles, especially as key contributors throughout the metastatic cascade. Here, we review recent progress in how three major types of ncRNAs (microRNAs, long non-coding RNAs, and circular RNAs) are involved in the multistep procedure of metastasis. We further examine interactions among the three ncRNAs as well as current progress in their regulatory mechanisms. We also propose the prevention of metastasis in the early stages of cancer progression and discuss current translational studies using ncRNAs as targets for metastasis diagnosis and treatments. These studies provide insights into developing more effective strategies to target metastatic relapse.
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Affiliation(s)
- Yi Xiao
- Department of Stomatology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Yijun Hu
- Clinical Research Center, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Shanrong Liu
- Department of Laboratory Diagnostics, Changhai Hospital, Naval Medical University, Shanghai 200433, China
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15
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Yang Y, Zhu B, Ning Z, Wang X, Li Z, Zhang C, Wen L. Circ_0058063 regulates cell vitality and proliferation in oesophageal squamous-cell carcinomas. J Biochem Mol Toxicol 2023; 37:e23470. [PMID: 37477183 DOI: 10.1002/jbt.23470] [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: 07/31/2022] [Revised: 07/03/2023] [Accepted: 07/08/2023] [Indexed: 07/22/2023]
Abstract
Oesophageal squamous-cell carcinoma (ESCC) is a malignant tumor of the digestive system with a poor prognosis. Recent studies have shown the promoting effect of hsa_circ_0058063 (circ_0058063) on ESCC, but the potential regulatory mechanisms of circ_0058063 in ESCC remain largely unclear. The levels of circ_0058063, microRNA-4319 (miR-4319) and mRNA of thrombospondin-1 (THBS1) were indicated by quantitative real-time polymerase chain reaction in ESCC tissues and cells. Meanwhile, the level of THBS1 was quantified by western blot analysis. In addition, the cell functions were examined by CCK8 assay, Edu assay, flow cytometry assay and transwell assay. Furthermore, the interplay between miR-4319 and circ_0058063 or THBS1 was detected by dual-luciferase reporter assay. Finally, an in vivo experiment was implemented to confirm the effect of circ_0058063. The level of circ_0058063 and THBS1 were increased, and the miR-4319 level was decreased in ESCC tissues in contrast to that in normal tissues and cells. For functional analysis, circ_0058063 deficiency inhibited cell vitality, cell proliferation, migration and invasion in ESCC cells, whereas promoted cell apoptosis. Moreover, miR-4319 was confirmed to repress the progression of ESCC cells by suppressing THBS1. In mechanism, circ_0058063 acted as a miR-4319 sponge to regulate the level of THBS1. Besides, circ_0058063 knockdown also attenuated tumour growth in vivo. Circ_0058063 facilitates the development of ESCC through increasing THBS1 expression by regulating miR-4319, which also offered an underlying targeted therapy for ESCC treatment.
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Affiliation(s)
- Yixuan Yang
- Department of Health Care, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Bing Zhu
- Department of Thoracic Surgery, Hubei Provincial Hospital of Integrated Chinese and Western Medicine, Wuhan, Hubei, China
| | - Zhaofeng Ning
- Department of Radiotherapy, Tai'an Tumor Hospital, Tai'an, Shandong, China
| | - Xiaodong Wang
- Department of Cardiothoracic Surgery, Air Force Hospital in Western War Zone, Chengdu, Sichuan, China
| | - Zhaoxia Li
- Department of Oncology, PLA Rocket Force Characteristic Medical Center, Beijing, China
| | - Chunxia Zhang
- Department of Gastroenterology, Inner Mongolia Forestry General Hospital, Yakeshi, Inner Mongolia, China
| | - Linchun Wen
- Department of Oncology, Nanjing Drum Tower Hospital Group Suqian Hospital, The Affiliated Suqian Hospital of Xuzhou Medical University, Suqian, Jiangsu, China
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16
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Cai YJ, Huang W, Zhu LY, Lin YX, Huang CF, Yang WF, Zhou JL, Dong JD, Zhou WH, Qin QW, Sun HY. Identification of circRNAs and circRNA-mRNA network of Epinephelus coioides during Singapore grouper iridovirus infection. FISH & SHELLFISH IMMUNOLOGY 2023; 142:109113. [PMID: 37788751 DOI: 10.1016/j.fsi.2023.109113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 09/19/2023] [Accepted: 09/24/2023] [Indexed: 10/05/2023]
Abstract
Circular RNA (circRNA), one of the important non-coding RNA molecules with a closed-loop structure, plays a key regulatory role in cell processing. In this study, circRNAs of Epinephelus coioides, an important marine cultured fish in China, were isolated and characterized, and the network of circRNAs and mRNA was explored during Singapore grouper iridovirus (SGIV) infection, one of the most important double stranded DNA virus pathogens of marine fish. 10 g of raw data was obtained by high-throughput sequencing, and 2599 circRNAs were classified. During SGIV infection, 123 and 37 circRNAs occurred differential expression in spleen and spleen cells, indicating that circRNAs would be involved in the viral infection. GO annotation and KEGG demonstrated that circRNAs could target E. coioides genes to regulate cell activity and the activation of immune factors. The results provide some insights into the circRNAs mediated immune regulatory network during bony fish virus infection.
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Affiliation(s)
- Yi-Jie Cai
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, Guangdong Province, PR China; Nansha-South China Agricultural University Fishery Research Institute, Guangzhou, 511450, Guangdong Province, PR China
| | - Wei Huang
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, Guangdong Province, PR China; Nansha-South China Agricultural University Fishery Research Institute, Guangzhou, 511450, Guangdong Province, PR China
| | - Liang-Yuan Zhu
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, Guangdong Province, PR China
| | - Yun-Xiang Lin
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, Guangdong Province, PR China
| | - Cui-Fen Huang
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, Guangdong Province, PR China
| | - Wen-Feng Yang
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, Guangdong Province, PR China
| | - Jia-Lin Zhou
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, Guangdong Province, PR China
| | - Jun-De Dong
- South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
| | - Wei-Hua Zhou
- South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
| | - Qi-Wei Qin
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, Guangdong Province, PR China; Nansha-South China Agricultural University Fishery Research Institute, Guangzhou, 511450, Guangdong Province, PR China.
| | - Hong-Yan Sun
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, Guangdong Province, PR China; Nansha-South China Agricultural University Fishery Research Institute, Guangzhou, 511450, Guangdong Province, PR China.
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17
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Zhang L, Shao W, Li M, Liu S. ITCH-Mediated Ubiquitylation of ITGB3 Promotes Cell Proliferation and Invasion of Ectopic Endometrial Stromal Cells in Ovarian Endometriosis. Biomedicines 2023; 11:2506. [PMID: 37760946 PMCID: PMC10526369 DOI: 10.3390/biomedicines11092506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 08/29/2023] [Accepted: 08/30/2023] [Indexed: 09/29/2023] Open
Abstract
Post-translational modification of proteins is involved in the occurrence of endometriosis (EM); however, the role of ubiquitination modification in EM remains unclear. Integrin β3 (ITGB3) is one of the β-subunits of integrins, which plays a key role in tumor progression. In this study, we investigated the roles of ITGB3 and ITCH, one of the ubiquitin E3 ligases, in ectopic endometrial stromal cells (ESCs) and EM. Primary ectopic ESCs and normal ESCs were isolated and purified. Western blot was used to detect the expression of ITGB3 and ITCH in ESCs. The interaction between ITGB3 and ITCH in ESCs was investigated by the co-immunoprecipitation and ubiquitylation analysis. With or without the overexpression of ITCH and/or ITGB3, the proliferation and invasion of ectopic ESCs were detected by the CCK8 assay and transwell migration assay, respectively. We found that ITGB3 is upregulated in ectopic ESCs from patients with EM. ITCH interacts with ITGB3 by co-immunoprecipitation, and ITCH-overexpressing significantly increased the ubiquitination of ITGB3. The data of the CCK8 assays showed that ITGB3 overexpression significantly promoted cell proliferation of ectopic ESCs at 12, 24, 48, and 72 h. The transwell migration assays showed that ITGB3 overexpression significantly enhanced the invasive ability. However, ITCH had the opposite effects in both assays. Our findings indicate that ITCH-mediated ubiquitylation of ITGB3 regulates the proliferation and invasion ability of ectopic ESCs in EM.
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Affiliation(s)
- Liansuo Zhang
- Department of Obstetrics and Gynecology, Jinshan Hospital, Fudan University, Shanghai 201508, China; (L.Z.); (W.S.)
| | - Wei Shao
- Department of Obstetrics and Gynecology, Jinshan Hospital, Fudan University, Shanghai 201508, China; (L.Z.); (W.S.)
| | - Mingqing Li
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, China
| | - Songping Liu
- Department of Obstetrics and Gynecology, Jinshan Hospital, Fudan University, Shanghai 201508, China; (L.Z.); (W.S.)
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18
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Barbagallo C, Stella M, Ferrara C, Caponnetto A, Battaglia R, Barbagallo D, Di Pietro C, Ragusa M. RNA-RNA competitive interactions: a molecular civil war ruling cell physiology and diseases. EXPLORATION OF MEDICINE 2023:504-540. [DOI: 10.37349/emed.2023.00159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 06/02/2023] [Indexed: 09/02/2023] Open
Abstract
The idea that proteins are the main determining factors in the functioning of cells and organisms, and their dysfunctions are the first cause of pathologies, has been predominant in biology and biomedicine until recently. This protein-centered view was too simplistic and failed to explain the physiological and pathological complexity of the cell. About 80% of the human genome is dynamically and pervasively transcribed, mostly as non-protein-coding RNAs (ncRNAs), which competitively interact with each other and with coding RNAs generating a complex RNA network regulating RNA processing, stability, and translation and, accordingly, fine-tuning the gene expression of the cells. Qualitative and quantitative dysregulations of RNA-RNA interaction networks are strongly involved in the onset and progression of many pathologies, including cancers and degenerative diseases. This review will summarize the RNA species involved in the competitive endogenous RNA network, their mechanisms of action, and involvement in pathological phenotypes. Moreover, it will give an overview of the most advanced experimental and computational methods to dissect and rebuild RNA networks.
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Affiliation(s)
- Cristina Barbagallo
- Section of Biology and Genetics, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy
| | - Michele Stella
- Section of Biology and Genetics, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy
| | | | - Angela Caponnetto
- Section of Biology and Genetics, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy
| | - Rosalia Battaglia
- Section of Biology and Genetics, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy
| | - Davide Barbagallo
- Section of Biology and Genetics, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy
| | - Cinzia Di Pietro
- Section of Biology and Genetics, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy
| | - Marco Ragusa
- Section of Biology and Genetics, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy
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19
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Davoodvandi A, Rafiyan M, Asemi Z, Matini SA. An epigenetic modulator with promising therapeutic impacts against gastrointestinal cancers: A mechanistic review on microRNA-195. Pathol Res Pract 2023; 248:154680. [PMID: 37467635 DOI: 10.1016/j.prp.2023.154680] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/06/2023] [Accepted: 07/07/2023] [Indexed: 07/21/2023]
Abstract
Due to their high prevalence, gastrointestinal cancers are one of the key causes of cancer-related death globally. The development of drug-resistant cancer cell populations is a major factor in the high mortality rate, and it affects about half of all cancer patients. Because of advances in our understanding of cancer molecular biology, non-coding RNAs (ncRNAs) have emerged as critical factors in the initiation and development of gastrointestinal cancers. Gene expression can be controlled in several ways by ncRNAs, including through epigenetic changes, interactions between microRNAs (miRNAs) and long non-coding RNAs (lncRNAs) and proteins, and the function of lncRNAs as miRNA precursors or pseudogenes. As lncRNAs may be detected in the blood, circulating ncRNAs have emerged as a promising new class of non-invasive cancer biomarkers for use in the detection, staging, and prognosis of gastrointestinal cancers, as well as in the prediction of therapy efficacy. In this review, we assessed the role lncRNAs play in the progression, and maintenance of colorectal cancer, and how they might be used as therapeutic targets in the future.
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Affiliation(s)
- Amirhossein Davoodvandi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran; Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, I.R. Iran.
| | - Mahdi Rafiyan
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, I.R. Iran
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, I.R. Iran.
| | - Seyed Amirhassan Matini
- Department of Pathology, School of Medicine, Kashan University of Medical Sciences, Kashan, I.R. Iran.
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20
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Fiscon G, Funari A, Paci P. Circular RNA mediated gene regulation in human breast cancer: A bioinformatics analysis. PLoS One 2023; 18:e0289051. [PMID: 37494404 PMCID: PMC10370684 DOI: 10.1371/journal.pone.0289051] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 07/11/2023] [Indexed: 07/28/2023] Open
Abstract
Circular RNAs (circRNAs) are a new acknowledged class of RNAs that has been shown to play a major role in several biological functions both in physiological and pathological conditions, operating as critical part of regulatory processes, like competing endogenous RNA (ceRNA) networks. The ceRNA hypothesis is a recently discovered molecular mechanism that adds a new key layer of post-transcriptional regulation, whereby various types of RNAs can reciprocally influence each other's expression competing for binding the same pool of microRNAs, even affecting disease development. In this study, we build a network of circRNA-miRNA-mRNA interactions in human breast cancer, called CERNOMA, that is a bipartite graph with one class of nodes corresponding to differentially expressed miRNAs (DEMs) and the other one corresponding to differentially expressed circRNAs (DEC) and mRNAs (DEGs). A link between a DEC (or DEG) and DEM is placed if it is predicted to be a target of the DEM and shows an opposite expression level trend with respect to the DEM. Within the CERNOMA, we highlighted an interesting deregulated circRNA-miRNA-mRNA triplet, including the up-regulated hsa_circRNA_102908 (BRCA1 associated RING domain 1), the down-regulated miR-410-3p, and the up-regulated ESM1, whose overexpression has been already shown to promote tumor dissemination and metastasis in breast cancer.
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Affiliation(s)
- Giulia Fiscon
- Department of Computer, Control and Management Engineering, Sapienza University of Rome, Roma, Italy
- Institute for Systems Analysis and Computer Science "Antonio Ruberti", National Research Council, Rome, Italy
| | - Alessio Funari
- Department of Translational and Precision Medicine, Sapienza University of Rome, Roma, Italy
| | - Paola Paci
- Department of Computer, Control and Management Engineering, Sapienza University of Rome, Roma, Italy
- Institute for Systems Analysis and Computer Science "Antonio Ruberti", National Research Council, Rome, Italy
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21
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Mafi A, Rismanchi H, Malek Mohammadi M, Hedayati N, Ghorbanhosseini SS, Hosseini SA, Gholinezhad Y, Mousavi Dehmordi R, Ghezelbash B, Zarepour F, Taghavi SP, Asemi Z, Alimohammadi M, Mirzaei H. A spotlight on the interplay between Wnt/β-catenin signaling and circular RNAs in hepatocellular carcinoma progression. Front Oncol 2023; 13:1224138. [PMID: 37546393 PMCID: PMC10403753 DOI: 10.3389/fonc.2023.1224138] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 06/15/2023] [Indexed: 08/08/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the deadliest cancers due to multifocal development and distant metastasis resulting from late diagnosis. Consequently, new approaches to HCC diagnosis and treatment are required to reduce mortality rates. A large body of evidence suggests that non-coding RNAs (ncRNAs) are important in cancer initiation and progression. Cancer cells release many of these ncRNAs into the blood or urine, enabling their use as a diagnostic tool. Circular RNAs (CircRNAs) are as a members of the ncRNAs that regulate cancer cell expansion, migration, metastasis, and chemoresistance through different mechanisms such as the Wnt/β-catenin Signaling pathway. The Wnt/β-catenin pathway plays prominent roles in several biological processes including organogenesis, stem cell regeneration, and cell survival. Aberrant signaling of both pathways mentioned above could affect the progression and metastasis of many cancers, including HCC. Based on several studies investigated in the current review, circRNAs have an effect on HCC formation and progression by sponging miRNAs and RNA-binding proteins (RBPs) and regulating the Wnt/β-catenin signaling pathway. Therefore, circRNAs/miRNAs or RBPs/Wnt/β-catenin signaling pathway could be considered promising prognostic and therapeutic targets in HCC.
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Affiliation(s)
- Alireza Mafi
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
- Nutrition and Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hamidreza Rismanchi
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Neda Hedayati
- School of Medicine, Iran University of Medical Science, Tehran, Iran
| | - Seyedeh Sara Ghorbanhosseini
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Seyed Ali Hosseini
- Research Committee, Department of Immunology, School of Medicine, Shahid Beheshti, University of Medical Sciences, Tehran, Iran
| | - Yasaman Gholinezhad
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Rohollah Mousavi Dehmordi
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Clinical Biochemistry, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Behrooz Ghezelbash
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Fatemeh Zarepour
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | | | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Mina Alimohammadi
- Student Research Committee, Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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22
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Saadawy SF, Raafat N, Samy WM, Raafat A, Talaat A. Role of Circ-ITCH Gene Polymorphisms and Its Expression in Breast Cancer Susceptibility and Prognosis. Diagnostics (Basel) 2023; 13:2033. [PMID: 37370928 DOI: 10.3390/diagnostics13122033] [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: 05/14/2023] [Revised: 06/04/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
INTRODUCTION/OBJECTIVE Breast cancer (BC) is the first leading cause of cancer-related mortality in females worldwide. We have investigated the correlation between circ-ITCH gene polymorphisms, circ-ITCH expression, and their effect on β-catenin levels and BC development. METHODS Participants included 62 BC and 62 controls matched in terms of age. The circ-ITCH polymorphisms rs10485505 and rs4911154 were genotyped using whole blood samples. In addition, mRNA expression analysis of circ-ITCH was performed on BC tissues. The β-catenin levels in serum samples were measured using ELISA. RESULTS The qRT-PCR results demonstrated that circ-ITCH was significantly downregulated in BC compared to normal healthy tissues. The genotype distribution of rs10485505 and rs4911154 were significantly associated with BC risk. For rs10485505, genotype CT and TT were significantly associated with an increased BC risk. In contrast, there was a significant association between rs4911154, genotypes GA and AA, and an increased BC risk. Regarding the rs10485505 genotype, carriers of the T allele frequently have a poor prognosis compared to carriers of the CC genotype. Serum β-catenin in the BC patients' group was significantly higher than in the control group. The relative expression levels of circ-ITCH were remarkably decreased in the BC samples of patients carrying the A allele at rs4911154 compared to patients with a GG genotype. Conversely, β-catenin protein levels were increased in patients carrying the A allele, while rs10485505 genotype carriers of the CT and TT genotypes showed downregulation of circ-ITCH expression fold compared to the CC genotype. Contrarily, β-catenin levels markedly increased in TT and CT genotypes compared with the CC genotype. CONCLUSIONS Our research showed that the rs10485505 polymorphism (T allele) and the rs4911154 polymorphism (A allele) are associated with the risk and prognosis of BC. This finding may be due to the effect on the level of circ-ITCH mRNA expression in BC tissues as well as the level of β-catenin in BC patients.
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Affiliation(s)
- Sara F Saadawy
- Medical Biochemistry Department, Faculty of Medicine, Zagazig University, Zagazig 44523, Egypt
| | - Nermin Raafat
- Medical Biochemistry Department, Faculty of Medicine, Zagazig University, Zagazig 44523, Egypt
| | - Walaa M Samy
- Medical Biochemistry Department, Faculty of Medicine, Zagazig University, Zagazig 44523, Egypt
| | - Ahmed Raafat
- General Surgery Department, Faculty of Medicine, Zagazig University, Zagazig 44523, Egypt
| | - Aliaa Talaat
- Medical Biochemistry Department, Faculty of Medicine, Zagazig University, Zagazig 44523, Egypt
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23
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Li X, Yin X, Bao H, Liu C. Targeting a novel circITCH/miR-421/BTG1 axis is effective to suppress the malignant phenotypes in hepatocellular carcinoma (HCC) cells. Cytotechnology 2023; 75:255-267. [PMID: 37187949 PMCID: PMC10167090 DOI: 10.1007/s10616-023-00576-0] [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: 09/06/2022] [Accepted: 03/16/2023] [Indexed: 04/05/2023] Open
Abstract
Circular RNA-based competing endogenous RNA (ceRNA) networks contribute to the initiation and development of various types of cancer, including hepatocellular carcinoma (HCC). Although a novel circular RNA itchy E3 ubiquitin protein ligase (circITCH) is identified as a tumor suppressor in HCC, its detailed molecular mechanisms have not been fully delineated. The present study was designed to resolve this issue, and we firstly verified that circITCH suppressed the malignant phenotypes in HCC cells by regulating a novel miR-421/B-cell translocation gene 1 (BTG1) axis. Specifically, through performing the Real-Time qPCR analysis, we noticed that circITCH expression in HCC tumor tissues or cell lines were significantly lower than that in adjacent normal tissues or normal hepatocytes, and the expression levels of circITCH were negatively correlated with tumor size and TNM stage in HCC patients. Next, our functional experiments confirmed that overexpression of circITCH induced cell cycle arrest and apoptosis, and reduced cell viability and colony forming ability in Hep3B and Huh7 cells. Mechanically, bioinformatics analysis, RNA immunoprecipitation and luciferase reporter assay demonstrated that circITCH served as RNA sponges for miR-421 to elevate BTG1 levels in HCC cells. The rescuing experiments verified that upregulation of miR-421 promoted cell viability and colony formation, and reduced apoptosis, which were abrogated by overexpression of circITCH or BTG1. In conclusion, this study identified a novel circITCH/miR-421/BTG1 axis that restrained the development of HCC, and our findings provided novel biomarkers for the treatment of this disease.
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Affiliation(s)
- Xiaodong Li
- Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37, Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China
| | - Xuedong Yin
- Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37, Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China
| | - Heyi Bao
- Department of General Surgery, Qiqihar First Hospital, Qiqihar, 161005 China
| | - Chang Liu
- Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, No. 37, Yiyuan Street, Nangang District, Harbin, 150001 Heilongjiang China
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24
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Chen Y, Han X, Huang X, Zhou H, Yu H, Wang L, Liu Z, Liu B, Huang J, Xiong Y, Huang J, Shao Y, Zhu D, Liang Z, Yang Z, Su W. Circular RNA-mediated ceRNA network was identified in human lung adenocarcinoma by high-throughput sequencing. Thorac Cancer 2023. [PMID: 37137710 DOI: 10.1111/1759-7714.14884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 05/05/2023] Open
Abstract
OBJECTIVES Aberrantly expressed circular RNAs (circRNAs) have been detected in many types of tumors. Hence, they are currently investigated as candidate biomarkers for diagnostic and potential targets for therapy in cancers. The objective of this study was to assess the expression profile of circRNA in lung adenocarcinoma (LUAD). METHODS This study included 14 pairs of postoperative lung adenocarcinoma specimens, including cancer tissues and matched adjacent tissues. Second-generation sequencing was applied to the specimens to determine the circRNA expression in them among the 5242 distinct circRNAs detected. RESULTS We identified a total of 18 significantly dysregulated circRNAs in the LUAD tissues: upregulation in four and downregulation in 14. ROC (The receiver operating characteristic curve) further suggested that hsa_circ_0120106, has_circ_0007342, has_circ_0005937, and circRNA_0000826 could potentially be used as biomarkers in the diagnosis of LUAD. Furthermore, study of the circRNA-microRNA (miRNA)-messenger RNA (mRNA) revealed interactions between the 18 dysregulated circRNA and several cancer-related miRNAs. Finally, a further Kyoto Encyclopedia of Genes and Genomes analysis showed that the cell cycle phase transition, p53 signaling pathway, AMP-activated protein kinase (AMPK) relative signaling pathway, and so on were key putative pathways in the process of LUAD. CONCLUSIONS These findings demonstrated the correlation between abnormality in circRNA expression and LUAD, which lays the foundation of making CircRNAs candidate biomarkers in the diagnosis of LUAD.
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Affiliation(s)
- Yongyang Chen
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Xiaoling Han
- Second Faculty of Clinical Medicine, Guangdong Medical University, Zhanjiang, China
| | - Xiaobi Huang
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Honglian Zhou
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Hui Yu
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Lihui Wang
- Key Laboratory of Longevity and Aging-Related Diseases of Chinese Ministry of Education, Center for Translational Medicine & School of Preclinical Medicine, Guangxi Medical University, Nanning, China
| | - Zijian Liu
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Baiyang Liu
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Jian Huang
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Yinghuan Xiong
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Jian Huang
- Department of Thoracic Surgery, Maoming People's Hospital, Maoming, China
| | - Yang Shao
- Technical Department, Nanjing Geneseeq Technology Inc., Nanjing, China
| | - Dongqin Zhu
- Technical Department, Nanjing Geneseeq Technology Inc., Nanjing, China
| | - Zhu Liang
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Zhixiong Yang
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Wenmei Su
- Department of Pulmonary Oncology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
- Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
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Oluwayiose OA, Houle E, Whitcomb BW, Suvorov A, Rahil T, Sites CK, Krawetz SA, Visconti P, Pilsner JR. Altered non-coding RNA profiles of seminal plasma extracellular vesicles of men with poor semen quality undergoing in vitro fertilization treatment. Andrology 2023; 11:677-686. [PMID: 36111950 PMCID: PMC10017372 DOI: 10.1111/andr.13295] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 08/17/2022] [Accepted: 09/07/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Currently, the precise mechanisms that underline male infertility are still unclear. Accumulating data implicate non-coding RNA cargo of seminal plasma extracellular vesicles due to their association with poor semen quality and higher expression levels relative to vesicle-free seminal plasma. METHOD We assessed sperm-free seminal plasma extracellular vesicle non-coding RNA profiles from 91 semen samples collected from male participants of couples seeking infertility treatment. Men were classified into two groups (poor, n = 32; normal, n = 59) based on World Health Organization semen cutoffs. Small RNA sequencing reads were mapped to standard biotype-specific transcriptomes in the order micro RNA > transfer RNA > piwi-interacting RNA > ribosomal RNA > ribosomal RNA > circular RNA > long non-coding RNA using STAR. Differential expression of normalized non-coding RNA read counts between the two groups was conducted by EdgeR (Fold change ≥1.5 and (false discovery rate [FDR] < 0.05). RESULT Small RNA sequencing identified a wide variety of seminal plasma extracellular vesicle non-coding RNA biotypes including micro RNA, ribosomal RNAs, piwi-interacting RNAs, transfer RNA, long non-coding RNAs as well as circular RNAs, and fragments associated with pseudogenes, and nonsense-mediated decay. The expression levels of 57 seminal plasma extracellular vesicle non-coding RNAs (micro RNA: 6, piwi-interacting RNA: 4, ribosomal RNA: 6, circular RNA: 34, and long non-coding RNA: 7) were altered in men with poor semen quality relative to normal semen parameters, many (60%) of which were circular RNA species. Ontology analysis of differentially expressed micro RNAs and circular RNAs showed enrichment in functional terms related to cellular communication and early development. CONCLUSION This is the first study to generate comprehensive seminal plasma extracellular vesicle non-coding RNA profiles in a clinical setting and to determine the differences between men with normal and abnormal semen parameters. Thus, our study suggests that seminal plasma extracellular vesicle non-coding RNAs may represent novel biomarkers of male reproductive phenotypes.
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Affiliation(s)
- Oladele A. Oluwayiose
- C.S. Mott Center for Human Growth and Development, Department of Obstetrics and Gynecology, School of Medicine, Wayne State University, Detroit, MI 48201, USA
| | - Emily Houle
- C.S. Mott Center for Human Growth and Development, Department of Obstetrics and Gynecology, School of Medicine, Wayne State University, Detroit, MI 48201, USA
| | - Brian W. Whitcomb
- Department of Biostatistics and Epidemiology, School of Public Health and Health Sciences, University of Massachusetts Amherst, 715 North Pleasant Street, Amherst, MA, USA
| | - Alexander Suvorov
- Department of Environmental Health Sciences, School of Public Health and Health Sciences University of Massachusetts Amherst, 686 North Pleasant Street, Amherst, MA, USA
| | - Tayyab Rahil
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, UMass Chan--Baystate, 759 Chestnut Street, Springfield, MA 01199, USA
| | - Cynthia K. Sites
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, UMass Chan--Baystate, 759 Chestnut Street, Springfield, MA 01199, USA
| | - Stephen A. Krawetz
- C.S. Mott Center for Human Growth and Development, Department of Obstetrics and Gynecology, School of Medicine, Wayne State University, Detroit, MI 48201, USA
- Center for Molecular Medicine and Genetics, Wayne State School of Medicine
| | - Pablo Visconti
- Department of Veterinary and Animal Sciences, University of Massachusetts Amherst, 661 N. Pleasant St, Amherst, MA 01003
| | - J. Richard Pilsner
- C.S. Mott Center for Human Growth and Development, Department of Obstetrics and Gynecology, School of Medicine, Wayne State University, Detroit, MI 48201, USA
- Institute of Environmental Health Sciences, School of Medicine, Wayne State University, Detroit, MI 48201, USA
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26
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Al-Hawary SIS, Asghar W, Amin A, Mustafa YF, Hjazi A, Almulla AF, Ali SAJ, Ali SS, Romero-Parra RM, Abdulhussien Alazbjee AA, Mahmoudi R, Fard SRH. Circ_0067934 as a novel therapeutic target in cancer: From mechanistic to clinical perspectives. Pathol Res Pract 2023; 245:154469. [PMID: 37100022 DOI: 10.1016/j.prp.2023.154469] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/12/2023] [Accepted: 04/18/2023] [Indexed: 04/28/2023]
Abstract
Circular RNAs, as a type of non-coding RNAs, are identified in a various cell. Circular RNAs have stable structures, conserved sequence, and tissue and cell-specific level. High throughput technologies have proposed that circular RNAs act via various mechanisms like sponging microRNAs and proteins, regulating transcription factors, and scaffolding mediators. Cancer is one of the major threat for human health. Emerging data have proposed that circular RNAs are dysregulated in cancers as well as are associated with aggressive behaviors of cancer -related behaviors like cell cycle, proliferation, apoptosis, invasion, migration, and epithelial-mesenchymal transition (EMT). Among them, circ_0067934 was shown to act as an oncogene in cancers to enhance migration, invasion, proliferation, cell cycle, EMT, and inhibit cell apoptosis. In addition, these studies have proposed that it could be a promising diagnostic and prognostic biomarker in cancer. This study aimed to review the expression and molecular mechanism of circ_0067934 in modulating the malignant behaviors of cancers as well as to explore its potential as a target in cancer chemotherapy, diagnosis, prognosis and treatment.
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Affiliation(s)
| | | | - Aaima Amin
- Quaid e Azam Medical College, Bahawal Victorial Hospital, Bahawalpur, Pakistan
| | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul 41001, Iraq
| | - Ahmed Hjazi
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Abbas F Almulla
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University, Najaf, Iraq
| | | | - Sally Saad Ali
- College of Dentistry, Al-Bayan University, Baghdad, Iraq
| | | | | | - Reza Mahmoudi
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
| | - Seyed Reza Hosseini Fard
- Department of Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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27
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Wei J, Li M, Xue C, Chen S, Zheng L, Deng H, Tang F, Li G, Xiong W, Zeng Z, Zhou M. Understanding the roles and regulation patterns of circRNA on its host gene in tumorigenesis and tumor progression. J Exp Clin Cancer Res 2023; 42:86. [PMID: 37060016 PMCID: PMC10105446 DOI: 10.1186/s13046-023-02657-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 03/29/2023] [Indexed: 04/16/2023] Open
Abstract
Circular RNAs (circRNAs) are a novel type of endogenous non-coding RNAs, which are covalently closed loop structures formed by precursor mRNAs (pre-mRNAs) through back-splicing. CircRNAs are abnormally expressed in many tumors, and play critical roles in a variety of tumors as oncogenes or tumor suppressor genes by sponging miRNAs, regulating alternative splicing and transcription, cis-regulating host genes, interacting with RNA binding proteins (RBPs) or encoding polypeptides. Among them, the regulation of circRNAs on their corresponding host genes is a critical way for circRNAs to exit their functions. Accumulating evidence suggests that circRNAs are able to regulate the expression of host genes at the transcriptional level, post-transcriptional level, translational level, post-translational level, or by encoding polypeptides. Therefore, this paper mainly summarized the roles and association of circRNAs and their corresponding host genes in tumorigenesis and tumor progression, generalized the circRNAs that function synergistically or antagonistically with their host genes, and elaborated the mechanisms of mutual regulation between circRNAs and their host genes. More importantly, this review provides specific references for revealing the potential application of circRNAs combined with their host genes in tumor diagnosis, treatment and prognosis.
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Affiliation(s)
- Jianxia Wei
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China
| | - Mengna Li
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China
| | - Changning Xue
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China
| | - Shipeng Chen
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China
| | - Lemei Zheng
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China
| | - Hongyu Deng
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
| | - Faqing Tang
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
| | - Guiyuan Li
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China
| | - Wei Xiong
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China
| | - Zhaoyang Zeng
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China
- Cancer Research Institute, Central South University, Changsha, 410078, China
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China
| | - Ming Zhou
- NHC Key Laboratory of Carcinogenesis, Hunan Key Laboratory of Oncotarget Gene, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China.
- Cancer Research Institute, Central South University, Changsha, 410078, China.
- The Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Central South University, Changsha, 410078, China.
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Ma B, Wang S, Wu W, Shan P, Chen Y, Meng J, Xing L, Yun J, Hao L, Wang X, Li S, Guo Y. Mechanisms of circRNA/lncRNA-miRNA interactions and applications in disease and drug research. Biomed Pharmacother 2023; 162:114672. [PMID: 37060662 DOI: 10.1016/j.biopha.2023.114672] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 04/03/2023] [Accepted: 04/06/2023] [Indexed: 04/17/2023] Open
Abstract
In recent years, breakthroughs in bioinformatics have been made with the discovery of many functionally significant non-coding RNAs (ncRNAs). The discovery of these ncRNAs has further demonstrated the multi-level characteristics of intracellular gene expression regulation, which plays an important role in assisting diagnosis, guiding clinical drug use and determining prognosis in the treatment process of various diseases. microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs) are the three major types of ncRNAs that interact with each other. Studies have shown that lncRNAs and circRNAs can sponge miRNAs, thereby influencing normal physiological processes and regulating mRNA expression and, thus, the physiological state of cells. This paper summarizes the mechanism of action and research progress of the three ncRNA and seven types of modalities. This summary is intended to provide new ideas for diagnosing and treating diseases and researching and developing new drugs.
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Affiliation(s)
- Benchi Ma
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250000, PR China
| | - Shihao Wang
- College of Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250000, PR China
| | - Wenzheng Wu
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250000, PR China
| | - Pufan Shan
- College of Acupuncture and Massage, Shandong University of Traditional Chinese Medicine, Jinan 250000, PR China
| | - Yufan Chen
- College of Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250000, PR China
| | - Jiaqi Meng
- College of Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250000, PR China
| | - Liping Xing
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250000, PR China
| | - Jingyi Yun
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250000, PR China
| | - Longhui Hao
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250000, PR China
| | - Xiaoyu Wang
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250000, PR China.
| | - Shuyan Li
- College of Foreign Languages, Shandong University of Traditional Chinese Medicine, Jinan 250000, PR China.
| | - Yinghui Guo
- College of Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250000, PR China; Laboratory of Liver Viscera-State & Syndrome of Emotional Disease, Shandong University of Traditional Chinese Medicine, Jinan 250000, PR China.
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29
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HAN ZY, HUANG SJ, WANG R, GUAN HQ. Screening of differential circRNAs in the placenta of patients with preeclampsia and their regulatory mechanism. MINERVA BIOTECHNOLOGY AND BIOMOLECULAR RESEARCH 2023. [DOI: 10.23736/s2724-542x.22.02913-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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30
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Jardim SR, de Souza LMP, de Souza HSP. The Rise of Gastrointestinal Cancers as a Global Phenomenon: Unhealthy Behavior or Progress? INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:3640. [PMID: 36834334 PMCID: PMC9962127 DOI: 10.3390/ijerph20043640] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/09/2023] [Accepted: 02/13/2023] [Indexed: 06/18/2023]
Abstract
The overall burden of cancer is rapidly increasing worldwide, reflecting not only population growth and aging, but also the prevalence and spread of risk factors. Gastrointestinal (GI) cancers, including stomach, liver, esophageal, pancreatic, and colorectal cancers, represent more than a quarter of all cancers. While smoking and alcohol use are the risk factors most commonly associated with cancer development, a growing consensus also includes dietary habits as relevant risk factors for GI cancers. Current evidence suggests that socioeconomic development results in several lifestyle modifications, including shifts in dietary habits from local traditional diets to less-healthy Western diets. Moreover, recent data indicate that increased production and consumption of processed foods underlies the current pandemics of obesity and related metabolic disorders, which are directly or indirectly associated with the emergence of various chronic noncommunicable conditions and GI cancers. However, environmental changes are not restricted to dietary patterns, and unhealthy behavioral features should be analyzed with a holistic view of lifestyle. In this review, we discussed the epidemiological aspects, gut dysbiosis, and cellular and molecular characteristics of GI cancers and explored the impact of unhealthy behaviors, diet, and physical activity on developing GI cancers in the context of progressive societal changes.
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Affiliation(s)
- Silvia Rodrigues Jardim
- Division of Worker’s Health, Universidade Federal do Rio de Janeiro, Rio de Janeiro 22290-140, RJ, Brazil
| | - Lucila Marieta Perrotta de Souza
- Departamento de Clínica Médica, Hospital Universitário, Universidade Federal do Rio de Janeiro, Rua Prof. Rodolpho Paulo Rocco 255, Ilha do Fundão, Rio de Janeiro 21941-913, RJ, Brazil
| | - Heitor Siffert Pereira de Souza
- Departamento de Clínica Médica, Hospital Universitário, Universidade Federal do Rio de Janeiro, Rua Prof. Rodolpho Paulo Rocco 255, Ilha do Fundão, Rio de Janeiro 21941-913, RJ, Brazil
- D’Or Institute for Research and Education (IDOR), Rua Diniz Cordeiro 30, Botafogo, Rio de Janeiro 22281-100, RJ, Brazil
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31
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Chen Y, Lin L, Hu X, Li Q, Wu M. Silencing of circular RNA circPDE5A suppresses neuroblastoma progression by targeting the miR-362-5p/NOL4L axis. Int J Neurosci 2023; 133:141-151. [PMID: 33635749 DOI: 10.1080/00207454.2021.1896505] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
OBJECTIVE Neuroblastoma (NB) is the most common extra-cranial solid tumour in early childhood. Circular RNAs (circRNAs) have been implicated in the development of NB. The purpose of the current study was to explore the molecular action of circRNA phosphodiesterase 5 A (circPDE5A) in NB malignant progression. MATERIALS AND METHODS The expression levels of circPDE5A, miR-362-5p and nucleolar protein 4 like (NOL4L) were assessed by quantitative real-time polymerase chain reaction (qRT-PCR) and western blot. Cell proliferation was detected by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTS) assay. Cell migration and invasion were evaluated by transwell assay. The levels of glucose consumption and lactate production were measured using the commercial assay kits. Targeted correlations among circPDE5A, miR-362-5p and NOL4L were confirmed by dual-luciferase reporter and RNA immunoprecipitation (RIP) assays. In vivo assays were performed to examine the role of circPDE5A in tumour growth in vivo. RESULTS Our results revealed that circPDE5A was up-regulated in NB tissues and cells. The silencing of circPDE5A suppressed NB cell proliferation, migration, invasion, and glycolysis in vitro and diminished tumour growth in vivo. Moreover, circPDE5A directly targeted miR-362-5p by binding to miR-362-5p. CircPDE5A silencing impeded NB malignant progression in vitro through up-regulating miR-362-5p. Furthermore, NOL4L was a direct target of miR-362-5p, and NOL4L mediated the regulation of miR-362-5p on NB malignant progression in vitro. Additionally, circPDE5A functioned as a regulator of NOL4L expression via targeting miR-362-5p. CONCLUSIONS Our current findings identified that the knockdown of circPDE5A suppressed NB malignant progression at least in part by the regulation of the miR-362-5p/NOL4L axis, providing a novel rationale for developing circPDE5A as a potential target for NB management.
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Affiliation(s)
- Yongcun Chen
- Department of Paediatrics, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
| | - Liangfeng Lin
- Department of Paediatrics, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
| | - Xiaohao Hu
- Department of Paediatrics, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
| | - Qiaoyu Li
- Department of Paediatrics, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
| | - Min Wu
- Department of Paediatrics, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
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Wu H, Zheng S, He Q, Li Y. Recent Advances of Circular RNAs as Biomarkers for Osteosarcoma. Int J Gen Med 2023; 16:173-183. [PMID: 36687163 PMCID: PMC9850833 DOI: 10.2147/ijgm.s380834] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 11/30/2022] [Indexed: 01/15/2023] Open
Abstract
Osteosarcoma is the most common primary malignant bone tumor in young adult, which is prone to early metastasis and poor prognosis. The current treatment methods need to be improved. Circular RNA is a covalently blocked circular, non-coding RNA that plays an essential role in the occurrence, development, clinical diagnosis, and treatment of various diseases. Recently, an increasing number of circRNAs have been identified in osteosarcoma. Understanding its role in osteosarcoma is conducive to the early detection, diagnosis, and treatment of osteosarcoma. In this paper, we reviewed the mechanism of action of circular RNA in the occurrence and development of osteosarcoma and its clinical application in recent years.
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Affiliation(s)
- Hongliang Wu
- Department of Orthopedics, Fuzhou Second Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, People’s Republic of China,Department of Orthopedics, Fuzhou Second Hospital, Fuzhou, People’s Republic of China,Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
| | - Sihang Zheng
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
| | - Qun He
- Department of Bioinformatics, School of Life Sciences, China Medical University, Shenyang, People’s Republic of China
| | - Yan Li
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China,Correspondence: Yan Li; Qun He, Email ;
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Sharkawi FZE, El-Sherbiny M, Ali SAM, Nassif WMH. The potential value of plasma Circ-ITCH in hepatocellular carcinoma patients with current hepatitis C virus infection. GASTROENTEROLOGIA Y HEPATOLOGIA 2023; 46:17-27. [PMID: 35288234 DOI: 10.1016/j.gastrohep.2022.03.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 02/18/2022] [Accepted: 03/08/2022] [Indexed: 01/18/2023]
Abstract
BACKGROUND There is an obvious need to diagnose hepatocellular carcinoma using novel non-invasive and sensitive biomarkers. Circular RNAs have recently attracted great interest as promising biomarkers and treatment targets. However, their function in hepatocellular carcinoma whose etiology related to hepatitis C has been rarely studied. AIM OF WORK The current study was conducted to analyze differential expression of circ-ITCH in plasma of Egyptian HCC patients with concomitant HCV infection, compared to normal control subjects, to investigate its correlation with liver function parameters, and to determine the possible diagnostic ability of circ-ITCH in plasma as a non-invasive marker, compared to its linear counterpart. RESULTS The results showed that the relative expression of circ-ITCH was significantly higher in the plasma of HCC patients (P<0.05). Moreover, when comparing its expression in the metastatic and non-metastatic subgroups, it was significantly higher in the non-metastatic HCC group compared to control group (P<0.05). Circ-ITCH was positively correlated with liver enzymes AST, ALT (P<0.001), also was significantly higher in HCC child C patients. To evaluate the potential diagnostic value of circ-ITCH in plasma, a ROC curve was generated, the AUC was 0.661, (95% CI: 0.5433-0.778) with a sensitivity and specificity 65% and 70% respectively. CONCLUSION The results revealed that circ-ITCH is-with no doubt-involved in the pathogenesis of HCC and its high level may be related to HCV infection, further researches in this area will certainly make great contributions in understanding. In conclusion our results suggested that circ-ITCH may be used as a noninvasive diagnostic marker and a promising therapeutic target for HCC.
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Affiliation(s)
- Fathia Zaky El Sharkawi
- Professor at Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Helwan University, Cairo, Egypt
| | - Mamdouh El-Sherbiny
- Professor of Medical Oncology, Faculty of Medicine, Beni Suef University, Cairo, Egypt
| | - Sahar Abdel Mohsen Ali
- Professor at Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Helwan University, Cairo, Egypt
| | - Walaa M H Nassif
- Assistant Lecturer at Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Helwan University, Cairo, Egypt.
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Zhang Q, Chen B, Yang P, Wu J, Pang X, Pang C. Bioinformatics-based study reveals that AP2M1 is regulated by the circRNA-miRNA-mRNA interaction network and affects Alzheimer's disease. Front Genet 2022; 13:1049786. [PMID: 36468008 PMCID: PMC9716081 DOI: 10.3389/fgene.2022.1049786] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 10/31/2022] [Indexed: 09/30/2023] Open
Abstract
Alzheimer's disease (AD) is a progressive neurological disease that worsens with time. The hallmark illnesses include extracellular senile plaques caused by β-amyloid protein deposition, neurofibrillary tangles caused by tau protein hyperphosphorylation, and neuronal loss accompanying glial cell hyperplasia. Noncoding RNAs are substantially implicated in related pathophysiology, according to mounting data. However, the function of these ncRNAs is mainly unclear. Circular RNAs (circRNAs) include many miRNA-binding sites (miRNA response elements, MREs), which operate as miRNA sponges or competing endogenous RNAs (ceRNAs). The purpose of this study was to look at the role of circular RNAs (circRNAs) and microRNAs (miRNAs) in Alzheimer's disease (AD) as possible biomarkers. The Gene Expression Omnibus (GEO) database was used to obtain an expression profile of Alzheimer's disease patients (GSE5281, GSE122603, GSE97760, GSE150693, GSE1297, and GSE161435). Through preliminary data deletion, 163 genes with significant differences, 156 miRNAs with significant differences, and 153 circRNAs with significant differences were identified. Then, 10 key genes, led by MAPT and AP2M1, were identified by the mediation center algorithm, 34 miRNAs with obvious prognosis were identified by the cox regression model, and 16 key circRNAs were selected by the database. To develop competitive endogenous RNA (ceRNA) networks, hub circRNAs and mRNAs were used. Finally, GO analysis and clinical data verification of key genes were carried out. We discovered that a down-regulated circRNA (has_circ_002048) caused the increased expression of numerous miRNAs, which further inhibited the expression of a critical mRNA (AP2M1), leading to Alzheimer's disease pathology. The findings of this work contribute to a better understanding of the circRNA-miRNA-mRNA regulating processes in Alzheimer's disease. Furthermore, the ncRNAs found here might become novel biomarkers and potential targets for the development of Alzheimer's drugs.
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Affiliation(s)
- Qi Zhang
- School of Computer Science, Sichuan Normal University, Chengdu, China
| | - Bishuang Chen
- School of Computer Science, Sichuan Normal University, Chengdu, China
| | - Ping Yang
- School of Computer Science, Sichuan Normal University, Chengdu, China
| | - Jipan Wu
- School of Computer Science, Sichuan Normal University, Chengdu, China
| | - Xinping Pang
- West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
| | - Chaoyang Pang
- School of Computer Science, Sichuan Normal University, Chengdu, China
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Shen S, Liu J, Zhou C, Qian Y, Deng L. XGBCDA: a multiple heterogeneous networks-based method for predicting circRNA-disease associations. BMC Med Genomics 2022; 13:196. [PMID: 36329528 PMCID: PMC9632006 DOI: 10.1186/s12920-021-01054-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 07/29/2021] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND Biological experiments have demonstrated that circRNA plays an essential role in various biological processes and human diseases. However, it is time-consuming and costly to merely conduct biological experiments to detect the association between circRNA and diseases. Accordingly, developing an efficient computational model to predict circRNA-disease associations is urgent. METHODS In this research, we propose a multiple heterogeneous networks-based method, named XGBCDA, to predict circRNA-disease associations. The method first extracts original features, namely statistical features and graph theory features, from integrated circRNA similarity network, disease similarity network and circRNA-disease association network, and then sends these original features to the XGBoost classifier for training latent features. The method utilizes the tree learned by the XGBoost model, the index of leaf that instance finally falls into, and the 1 of K coding to represent the latent features. Finally, the method combines the latent features from the XGBoost with the original features to train the final model for predicting the association between the circRNA and diseases. RESULTS The tenfold cross-validation results of the XGBCDA method illustrate that the area under the ROC curve reaches 0.9860. In addition, the method presents a striking performance in the case studies of colorectal cancer, gastric cancer and cervical cancer. CONCLUSION With fabulous performance in predicting potential circRNA-disease associations, the XGBCDA method has the promising ability to assist biomedical researchers in terms of circRNA-disease association prediction.
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Affiliation(s)
- Siyuan Shen
- grid.413254.50000 0000 9544 7024School of Software, Xinjiang University, Wulumuqi, 830091 China
| | - Junyi Liu
- grid.216417.70000 0001 0379 7164School of Computer Science and Engineering, Central South University, Changsha, 410075 China
| | - Cheng Zhou
- grid.216417.70000 0001 0379 7164School of Computer Science and Engineering, Central South University, Changsha, 410075 China
| | - Yurong Qian
- School of Software, Xinjiang University, Wulumuqi, 830091, China.
| | - Lei Deng
- School of Software, Xinjiang University, Wulumuqi, 830091, China. .,School of Computer Science and Engineering, Central South University, Changsha, 410075, China.
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Josipovic N, Ebbesen KK, Zirkel A, Danieli-Mackay A, Dieterich C, Kurian L, Hansen TB, Papantonis A. circRAB3IP modulates cell proliferation by reorganizing gene expression and mRNA processing in a paracrine manner. RNA (NEW YORK, N.Y.) 2022; 28:1481-1495. [PMID: 35973723 PMCID: PMC9745835 DOI: 10.1261/rna.079195.122] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 08/01/2022] [Indexed: 05/18/2023]
Abstract
Circular RNAs are an endogenous long-lived and abundant noncoding species. Despite their prevalence, only a few circRNAs have been dissected mechanistically to date. Here, we cataloged nascent RNA-enriched circRNAs from primary human cells and functionally assigned a role to circRAB3IP in sustaining cellular homeostasis. We combined "omics" and functional experiments to show how circRAB3IP depletion deregulates hundreds of genes, suppresses cell cycle progression, and induces senescence-associated gene expression changes. Conversely, excess circRAB3IP delivered to endothelial cells via extracellular vesicles suffices for accelerating their division. We attribute these effects to an interplay between circRAB3IP and the general splicing factor SF3B1, which can affect transcript variant expression levels of cell cycle-related genes. Together, our findings link the maintenance of cell homeostasis to the presence of a single circRNA.
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Affiliation(s)
- Natasa Josipovic
- Institute of Pathology, University Medical Center Göttingen, 37075 Göttingen, Germany
| | - Karoline K Ebbesen
- Department of Molecular Biology and Genetics (MBG), Aarhus University, 8000 Aarhus, Denmark
- Interdisciplinary Nanoscience Centre (iNANO), Aarhus University, 8000 Aarhus, Denmark
| | - Anne Zirkel
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
| | - Adi Danieli-Mackay
- Institute of Pathology, University Medical Center Göttingen, 37075 Göttingen, Germany
| | - Christoph Dieterich
- Bioinformatics and Systems Cardiology, University Hospital Heidelberg, 69120 Heidelberg, Germany
| | - Leo Kurian
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
- Institute of Neurophysiology, University of Cologne, 50931 Cologne, Germany
| | - Thomas B Hansen
- Department of Molecular Biology and Genetics (MBG), Aarhus University, 8000 Aarhus, Denmark
| | - Argyris Papantonis
- Institute of Pathology, University Medical Center Göttingen, 37075 Göttingen, Germany
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
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Li H, Zhao Y, Shen Q, Li H. Multiple circRNAs regulated by QKI5 conjointly spongemiR-214-3p to antagonize bisphenol A-inducedspermatocyte toxicity. Acta Biochim Biophys Sin (Shanghai) 2022; 54:1090-1099. [PMID: 35959880 PMCID: PMC9827849 DOI: 10.3724/abbs.2022101] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 01/07/2022] [Indexed: 11/25/2022] Open
Abstract
Although circular RNAs (circRNAs) are found to play important roles in many pathophysiological processes, the canonical theory that they act as microRNA sponges is now more and more challenged, given that most circRNAs only have few binding sites in a particular microRNA. Our previous study revealed that some up-regulated circRNAs play protective roles in bisphenol A (BPA)-induced toxicity in GC-2 germ cells. Here by CCK-8 assay, apoptosis assay, qRT-PCR and western blot analysis, we further discover that circRNAs (represented by circDcbld2, circMapk1 and circTbcld20) can cooperatively sponge miR-214-3p and then up-regulate AKT1 in ameliorating BPA-induced reproductive toxicity. They share binding sites with miR-214-3p and collectively reinforce the sponging effects. In addition, the upstream regulation mechanism, proven by bioinformatics analysis and in vitro gain- and loss-of-function study, shows that down-regulation of RNA binding protein QKI5 after BPA exposure can increase the expressions of these protective circRNAs, and thus activate the cell protective process. The QKI5-circDcbld2/circMapk1/circTblcd20-miR-214-3p-AKT1 axis ameliorates the toxic effect of BPA on GC-2 cells. Many other circRNAs up-regulated upon BPA treatment and QKI5 down-regulation also show binding sites with miR-214-3p. Thus the above axis may also be extrapolated to other circRNAs. Our results enrich the context of circRNA sponge mode and may provide new ideas in future multiple nucleic acid therapy.
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Affiliation(s)
- Huimin Li
- Institute of Reproductive Health/Center of Reproductive MedicineTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China
- Guilin Medical UniversityGuilin541000China
| | - Yunhan Zhao
- Institute of Reproductive Health/Center of Reproductive MedicineTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China
| | - Qiuzi Shen
- Institute of Reproductive Health/Center of Reproductive MedicineTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China
| | - Honggang Li
- Institute of Reproductive Health/Center of Reproductive MedicineTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China
- Wuhan Tongji Reproductive Medicine HospitalWuhan430030China
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Asim MN, Ibrahim MA, Imran Malik M, Dengel A, Ahmed S. Circ-LocNet: A Computational Framework for Circular RNA Sub-Cellular Localization Prediction. Int J Mol Sci 2022; 23:ijms23158221. [PMID: 35897818 PMCID: PMC9329987 DOI: 10.3390/ijms23158221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/15/2022] [Accepted: 07/20/2022] [Indexed: 02/04/2023] Open
Abstract
Circular ribonucleic acids (circRNAs) are novel non-coding RNAs that emanate from alternative splicing of precursor mRNA in reversed order across exons. Despite the abundant presence of circRNAs in human genes and their involvement in diverse physiological processes, the functionality of most circRNAs remains a mystery. Like other non-coding RNAs, sub-cellular localization knowledge of circRNAs has the aptitude to demystify the influence of circRNAs on protein synthesis, degradation, destination, their association with different diseases, and potential for drug development. To date, wet experimental approaches are being used to detect sub-cellular locations of circular RNAs. These approaches help to elucidate the role of circRNAs as protein scaffolds, RNA-binding protein (RBP) sponges, micro-RNA (miRNA) sponges, parental gene expression modifiers, alternative splicing regulators, and transcription regulators. To complement wet-lab experiments, considering the progress made by machine learning approaches for the determination of sub-cellular localization of other non-coding RNAs, the paper in hand develops a computational framework, Circ-LocNet, to precisely detect circRNA sub-cellular localization. Circ-LocNet performs comprehensive extrinsic evaluation of 7 residue frequency-based, residue order and frequency-based, and physio-chemical property-based sequence descriptors using the five most widely used machine learning classifiers. Further, it explores the performance impact of K-order sequence descriptor fusion where it ensembles similar as well dissimilar genres of statistical representation learning approaches to reap the combined benefits. Considering the diversity of statistical representation learning schemes, it assesses the performance of second-order, third-order, and going all the way up to seventh-order sequence descriptor fusion. A comprehensive empirical evaluation of Circ-LocNet over a newly developed benchmark dataset using different settings reveals that standalone residue frequency-based sequence descriptors and tree-based classifiers are more suitable to predict sub-cellular localization of circular RNAs. Further, K-order heterogeneous sequence descriptors fusion in combination with tree-based classifiers most accurately predict sub-cellular localization of circular RNAs. We anticipate this study will act as a rich baseline and push the development of robust computational methodologies for the accurate sub-cellular localization determination of novel circRNAs.
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Affiliation(s)
- Muhammad Nabeel Asim
- German Research Center for Artificial Intelligence (DFKI), 67663 Kaiserslautern, Germany; (M.A.I.); (A.D.); (S.A.)
- Department of Computer Science, Technical University of Kaiserslautern, 67663 Kaiserslautern, Germany
- Correspondence:
| | - Muhammad Ali Ibrahim
- German Research Center for Artificial Intelligence (DFKI), 67663 Kaiserslautern, Germany; (M.A.I.); (A.D.); (S.A.)
- Department of Computer Science, Technical University of Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Muhammad Imran Malik
- School of Computer Science & Electrical Engineering, National University of Sciences and Technology, Islamabad 44000, Pakistan;
| | - Andreas Dengel
- German Research Center for Artificial Intelligence (DFKI), 67663 Kaiserslautern, Germany; (M.A.I.); (A.D.); (S.A.)
- Department of Computer Science, Technical University of Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Sheraz Ahmed
- German Research Center for Artificial Intelligence (DFKI), 67663 Kaiserslautern, Germany; (M.A.I.); (A.D.); (S.A.)
- DeepReader GmbH, Trippstadter Str. 122, 67663 Kaiserslautern, Germany
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Liu T, Huang T, Shang M, Han G. CircRNA ITCH: Insight Into Its Role and Clinical Application Prospect in Tumor and Non-Tumor Diseases. Front Genet 2022; 13:927541. [PMID: 35910224 PMCID: PMC9335290 DOI: 10.3389/fgene.2022.927541] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Accepted: 06/21/2022] [Indexed: 11/13/2022] Open
Abstract
CircRNA E3 ubiquitin protein ligase (ITCH) (circRNA ITCH, circ-ITCH), a stable closed-loop RNA derived from the 20q11.22 region of chromosome 20, is a new circRNA discovered in the cytoplasm in recent decades. Studies have shown that it does not encode proteins, but regulates proteins expression at different levels. It is down-regulated in tumor diseases and is involved in a number of biological activities, including inhibiting cell proliferation, migration, invasion, and promoting apoptosis. It can also alter disease progression in non-tumor disease by affecting the cell cycle, inflammatory response, and critical proteins. Circ-ITCH also holds a lot of promise in terms of tumor and non-tumor clinical diagnosis, prognosis, and targeted therapy. As a result, in order to aid clinical research in the hunt for a new strategy for diagnosing and treating human diseases, this study describes the mechanism of circ-ITCH as well as its clinical implications.
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Affiliation(s)
- Tong Liu
- Department of Gastrointestinal Nutrition and Hernia Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Tao Huang
- Department of Gastrointestinal Nutrition and Hernia Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Mei Shang
- Department of Gastrointestinal Nutrition and Hernia Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Gang Han
- Department of Gastrointestinal Nutrition and Hernia Surgery, The Second Hospital of Jilin University, Changchun, China
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Exosome-Derived Circ_0094343 Promotes Chemosensitivity of Colorectal Cancer Cells by Regulating Glycolysis via the miR-766-5p/TRIM67 Axis. CONTRAST MEDIA & MOLECULAR IMAGING 2022; 2022:2878557. [PMID: 35854778 PMCID: PMC9286929 DOI: 10.1155/2022/2878557] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/14/2022] [Accepted: 06/18/2022] [Indexed: 02/08/2023]
Abstract
Objective Currently, the role of circ_0094343 (circPTEN) on the chemosensitivity of CRC remains to be clarified. This study aimed to investigate the role and mechanism of exosome-delivered circ_0094343 in the proliferation, glycolysis, and chemosensitivity of colorectal cancer (CRC) cells. Methods Real-time quantitative polymerase chain reaction (qRT-PCR) was utilized to detect the expression level of circ_0094343, miR-766-5p, and TRIM67 (Tripartite motif-containing 67) in CRC clinical tissue samples and cells, transmission electron microscopy (TEM) to observe the morphology of exosomes, and nanoparticle tracking analysis (NTA) system to measure the diameter of exosomes. Besides, PKH67 fluorescent labeling was applied for assessing the level of exosome uptake by cells, MTT and cell clone formation assays for detecting cell proliferation and clone formation, respectively, and related kits for checking the glucose consumption, lactate production, and extracellular acidification rate (ECAR) in cells. Dual-luciferase reporter (DLR) gene assay was used for verifying the targeting relationship between circ_0094343 and miR-766-5p, miR-766-5p and TRIM67, RNA immunoprecipitation (RIP) experiment for the interaction between circ_0094343 and miR-766-5p, and Western blot for the protein level of exosome surface antigens (HSP70, CD63) and TRIM67 in cells in exosomes and cell lysates. Results circ_0094343 was significantly downregulated in CRC tissues, chemotherapy-resistant CRC tissues, and metastatic CRC tissues. Moreover, exosomes-carried circ_0094343 played an inhibitory role in the proliferation, clone formation and glycolysis of HCT116 cells. Meanwhile, it could also improve the chemosensitivity of HCT116 cells to 5-fluorouracil (5-FU), oxaliplatin (L-OHP), and doxorubicin (Dox). Additionally, circ_0094343 acted as a sponge for miR-766-5p, and miR-766-5p targeted and regulated TRIM67. In CRC tissues, miR-766-5p expression was negatively correlated with TRIM67 expression, while circ_0094343 was positively associated with TRIM67. Further, mechanistic validation also demonstrated that circ_0094343 could inhibit HCT116 cell proliferation, clone formation, glycolysis, and chemotherapy resistance via the miR-766-5p/TRIM67 axis. Conclusion circ_0094343 inhibited the proliferation, clone formation and glycolysis of CRC cells and improved their chemosensitivity to various chemotherapeutic drugs via the miR-766-5p/TRIM67 axis. This finding may provide new insights into the treatment of CRC.
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The role of lncRNA-mediated ceRNA regulatory networks in pancreatic cancer. Cell Death Dis 2022; 8:287. [PMID: 35697671 PMCID: PMC9192730 DOI: 10.1038/s41420-022-01061-x] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 05/05/2022] [Accepted: 05/09/2022] [Indexed: 12/12/2022]
Abstract
Non-coding RNAs (ncRNAs), which occupy the vast majority of human transcripts are known for their inability to encode proteins. NcRNAs consist of a diverse range of RNA species, including long non-coding RNAs (lncRNAs), which have significant meaning for epigenetic modification, post-transcriptional regulation of target genes, molecular interference, etc. The dysregulation of ncRNAs will mediate the pathogenesis of diverse human diseases, like cancer. Pancreatic cancer, as one of the most lethal malignancies in the digestive system that is hard to make a definite diagnosis at an early clinicopathological stage with a miserable prognosis. Therefore, the identification of potential and clinically applicable biomarker is momentous to improve the overall survival rate and positively ameliorate the prognosis of patients with pancreatic carcinoma. LncRNAs as one kind of ncRNAs exert multitudinous biological functions, and act as molecular sponges, relying on microRNA response elements (MREs) to competitively target microRNAs (miRNAs), thereby attenuating the degradation or inhibition of miRNAs to their own downstream protein-coding target genes, also thus regulating the initiation and progression of neoplasms. LncRNAs, which emerge aforementioned function are called competing endogenous RNAs (ceRNAs). Consequently, abundant research of lncRNAs as potential biomarkers is of critical significance for the molecular diagnosis, targeted therapy, as well as prognosis monitoring of pancreatic cancer.
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Ju C, He J, Wang C, Sheng J, Jia J, Du D, Li H, Zhou M, He F. Current advances and future perspectives on the functional roles and clinical implications of circular RNAs in esophageal squamous cell carcinoma: more influential than expected. Biomark Res 2022; 10:41. [PMID: 35672804 PMCID: PMC9171998 DOI: 10.1186/s40364-022-00388-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 05/29/2022] [Indexed: 11/24/2022] Open
Abstract
Esophageal squamous cell carcinoma (ESCC) is one of the most aggressive gastrointestinal cancers with high incidence and mortality. Therefore, it is necessary to identify novel sensitive and specific biomarkers for ESCC detection and treatment. Circular RNAs (circRNAs) are a type of noncoding RNAs featured by their covalently closed circular structure. This special structure makes circRNAs more stable in mammalian cells, coupled with their great abundance and tissue specificity, suggesting circRNAs may present enormous potential to be explored as valuable prognostic and diagnostic biomarkers for tumor. Mounting studies verified the critical roles of circRNAs in regulating ESCC cells malignant behaviors. Here, we summarized the current progresses in a handful of aberrantly expressed circRNAs, and elucidated their biological function and clinical significance in ESCC, and introduced a series of databases for circRNA research. With the improved advancement in high-throughput sequencing and bioinformatics technique, new frontiers of circRNAs will pave the path for the development of precision treatment in ESCC.
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Affiliation(s)
- Chenxi Ju
- Department of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Jing He
- Department of Breast Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Chang Wang
- Department of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Jinxiu Sheng
- Department of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Jinlin Jia
- Department of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Dan Du
- Department of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Hongle Li
- Department of Molecular Pathology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, 450008, China.
| | - Mingxia Zhou
- Department of Gastroenterology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
| | - Fucheng He
- Department of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
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43
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Minkler SJ, Loghry-Jansen HJ, Sondjaja NA, Kimber MJ. Expression and Secretion of Circular RNAs in the Parasitic Nematode, Ascaris suum. Front Genet 2022; 13:884052. [PMID: 35711944 PMCID: PMC9194832 DOI: 10.3389/fgene.2022.884052] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 04/25/2022] [Indexed: 12/15/2022] Open
Abstract
Circular RNAs (circRNAs) are a recently identified RNA species with emerging functional roles as microRNA (miRNA) and protein sponges, regulators of gene transcription and translation, and modulators of fundamental biological processes including immunoregulation. Relevant to this study, circRNAs have recently been described in the parasitic nematode, Haemonchus contortus, suggesting they may have functionally important roles in parasites. Given their involvement in regulating biological processes, a better understanding of their role in parasites could be leveraged for future control efforts. Here, we report the use of next-generation sequencing to identify 1,997 distinct circRNAs expressed in adult female stages of the gastrointestinal parasitic nematode, Ascaris suum. We describe spatial expression in the ovary-enriched and body wall muscle, and also report circRNA presence in extracellular vesicles (EVs) secreted by the parasite into the external environment. Further, we used an in-silico approach to predict that a subset of Ascaris circRNAs bind both endogenous parasite miRNAs as well as human host miRNAs, suggesting they could be functional as both endogenous and exogenous miRNA sponges to alter gene expression. There was not a strong correlation between Ascaris circRNA length and endogenous miRNA interactions, indicating Ascaris circRNAs are enriched for Ascaris miRNA binding sites, but that human miRNAs were predicted form a more thermodynamically stable bond with Ascaris circRNAs. These results suggest that secreted circRNAs could be interacting with host miRNAs at the host-parasite interface and influencing host gene transcription. Lastly, although we have previously found that therapeutically relevant concentrations of the anthelmintic drug ivermectin inhibited EV release from parasitic nematodes, we did not observe a direct effect of ivermectin treatment on Ascaris circRNAs expression or secretion.
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Affiliation(s)
- Sarah J Minkler
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
| | - Hannah J Loghry-Jansen
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
| | - Noelle A Sondjaja
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
| | - Michael J Kimber
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
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Bin Li, Yan R, Liu X, Meng Z, Meng P, Wang Y, Huang Y. CircRNAs Biogenesis, Functions, and Its Research Progress in Aquaculture. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2022. [DOI: 10.1134/s1068162022020042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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45
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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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46
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Xue C, Li G, Zheng Q, Gu X, Bao Z, Lu J, Li L. The functional roles of the circRNA/Wnt axis in cancer. Mol Cancer 2022; 21:108. [PMID: 35513849 PMCID: PMC9074313 DOI: 10.1186/s12943-022-01582-0] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 04/22/2022] [Indexed: 01/09/2023] Open
Abstract
CircRNAs, covalently closed noncoding RNAs, are widely expressed in a wide range of species ranging from viruses to plants to mammals. CircRNAs were enriched in the Wnt pathway. Aberrant Wnt pathway activation is involved in the development of various types of cancers. Accumulating evidence indicates that the circRNA/Wnt axis modulates the expression of cancer-associated genes and then regulates cancer progression. Wnt pathway-related circRNA expression is obviously associated with many clinical characteristics. CircRNAs could regulate cell biological functions by interacting with the Wnt pathway. Moreover, Wnt pathway-related circRNAs are promising potential biomarkers for cancer diagnosis, prognosis evaluation, and treatment. In our review, we summarized the recent research progress on the role and clinical application of Wnt pathway-related circRNAs in tumorigenesis and progression.
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Affiliation(s)
- Chen Xue
- grid.13402.340000 0004 1759 700XState Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, National Clinical Research Center for Infectious Diseases, Zhejiang University, No. 79 Qingchun Road, Shangcheng District, 310003 Hangzhou, China
| | - Ganglei Li
- grid.13402.340000 0004 1759 700XDepartment of Neurosurgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, 310003 Hangzhou, China
| | - Qiuxian Zheng
- grid.13402.340000 0004 1759 700XState Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, National Clinical Research Center for Infectious Diseases, Zhejiang University, No. 79 Qingchun Road, Shangcheng District, 310003 Hangzhou, China
| | - Xinyu Gu
- grid.13402.340000 0004 1759 700XState Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, National Clinical Research Center for Infectious Diseases, Zhejiang University, No. 79 Qingchun Road, Shangcheng District, 310003 Hangzhou, China
| | - Zhengyi Bao
- grid.13402.340000 0004 1759 700XState Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, National Clinical Research Center for Infectious Diseases, Zhejiang University, No. 79 Qingchun Road, Shangcheng District, 310003 Hangzhou, China
| | - Juan Lu
- grid.13402.340000 0004 1759 700XState Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, National Clinical Research Center for Infectious Diseases, Zhejiang University, No. 79 Qingchun Road, Shangcheng District, 310003 Hangzhou, China
| | - Lanjuan Li
- grid.13402.340000 0004 1759 700XState Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, National Clinical Research Center for Infectious Diseases, Zhejiang University, No. 79 Qingchun Road, Shangcheng District, 310003 Hangzhou, China
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Maimaiti Y, Zhang N, Zhang Y, Zhou J, Song H, Wang S. CircFAM64A enhances cellular processes in triple-negative breast cancer by targeting the miR-149-5p/CDT1 axis. ENVIRONMENTAL TOXICOLOGY 2022; 37:1081-1092. [PMID: 35048507 DOI: 10.1002/tox.23466] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 12/06/2021] [Accepted: 01/05/2022] [Indexed: 06/14/2023]
Abstract
Triple-negative breast cancer (TNBC) is a breast cancer subtype without targeted treatment options. Accumulating evidence has demonstrated the roles of circular RNAs in cancer. This study aimed to investigate the expression and function of circFAM64A in TNBC. The GSE101124 dataset from the GEO database was examined to identify the differentially expressed circular RNAs in TNBC. RT-qPCR and western blot analyses were performed to measure gene expression. TNBC cell proliferation, migration, invasion, and cell cycle were assessed using cell counting kit-8, EdU, flow cytometry, wound healing, and transwell invasion experiments. Bioinformatics analysis, RIP, RNA pulldown, and luciferase reporter assays were used to investigate the regulatory mechanism of circFAM64A. In this study, CircFAM64A expression was significantly upregulated in TNBC tissues and cells compared with normal tissues and cells. Overexpression of circFAM64A increased the proliferative, migratory, and invasive capacities of TNBC cells and promoted cell cycle progression. Mechanistically, circFAM64A acted as a molecular sponge for miR-149-5p, and miR-149-5p directly targeted the Cdc10-dependent transcript 1 (CDT1) 3'UTR. Moreover, the high expression of CDT1 is associated with a poor prognosis in patients with breast cancer. Rescue experiments demonstrated that circFAM64A sponged miR-149-5p to increase CDT1 expression, thereby promoting cellular processes in TNBC. Overall, CircFAM64A plays an oncogenic role in TNBC by interacting with miR-149-5p to increase CDT1 expression.
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Affiliation(s)
- Yusufu Maimaiti
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Department of General Surgery, People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang, China
| | - Ning Zhang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yunke Zhang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jing Zhou
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Haiping Song
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Shuntao Wang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
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48
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Hao WZ, Chen Q, Wang L, Tao G, Gan H, Deng LJ, Huang JQ, Chen JX. Emerging roles of long non-coding RNA in depression. Prog Neuropsychopharmacol Biol Psychiatry 2022; 115:110515. [PMID: 35077841 DOI: 10.1016/j.pnpbp.2022.110515] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 01/15/2022] [Accepted: 01/18/2022] [Indexed: 12/31/2022]
Abstract
Depression is the second most common psychiatric disorder, affecting more than 340 million people of all ages worldwide. However, the mechanisms underlying the development of depression remain unclear, and existing antidepressants may cause clinical dependence and toxic side effects. Recently, emerging evidence from the fields of neuroscience, genetics, and genomics supports the modulatory role of long non-coding RNA (lncRNA) in depression. LncRNAs may mediate the pathogenesis of depression through multiple pathways, including regulating neurotransmitters and neurotrophic factors, affecting synaptic conduction, and regulating the ventriculo-olfactory neurogenic system. In addition, relying on genome-wide association study and molecular biological experiment, the possibility of lncRNA as a potential biomarker for the differential diagnosis of depression and other mental illnesses, including schizophrenia and anxiety disorders, is gradually being revealed. Thus, it is important to explore whether lncRNAs are potential therapeutic targets and diagnostic biomarkers for depression. Here, we summarize the genesis and function of lncRNAs and discuss the aberrant expression and functional roles of lncRNAs in the development, diagnosis, and therapy of depression, as well as the deficiencies and limitations of these studies. Moreover, we established a lncRNA-miRNA-mRNA-pathway-drug network of depression through bioinformatics analysis methods to deepen our understanding of the relationship between lncRNA and depression, promoting the clinical application of epigenetic research.
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Affiliation(s)
- Wen-Zhi Hao
- Guangzhou Key Laboratory of Formula-Pattern of Traditional Chinese Medicine, Formula-Pattern Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Qian Chen
- Guangzhou Key Laboratory of Formula-Pattern of Traditional Chinese Medicine, Formula-Pattern Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Lu Wang
- Guangzhou Key Laboratory of Formula-Pattern of Traditional Chinese Medicine, Formula-Pattern Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Gabriel Tao
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, United States
| | - Hua Gan
- Guangzhou Key Laboratory of Formula-Pattern of Traditional Chinese Medicine, Formula-Pattern Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Li-Juan Deng
- Guangzhou Key Laboratory of Formula-Pattern of Traditional Chinese Medicine, Formula-Pattern Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Jun-Qing Huang
- Guangzhou Key Laboratory of Formula-Pattern of Traditional Chinese Medicine, Formula-Pattern Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, China.
| | - Jia-Xu Chen
- Guangzhou Key Laboratory of Formula-Pattern of Traditional Chinese Medicine, Formula-Pattern Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, China; School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
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49
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Sharma AR, Banerjee S, Bhattacharya M, Saha A, Lee SS, Chakraborty C. Recent progress of circular RNAs in different types of human cancer: Technological landscape, clinical opportunities and challenges (Review). Int J Oncol 2022; 60:56. [PMID: 35362541 DOI: 10.3892/ijo.2022.5346] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 03/10/2022] [Indexed: 11/11/2022] Open
Abstract
Circular RNAs (circRNAs) are a novel class of endogenous non‑coding RNAs that have been recently regarded as functionally active. CircRNAs are remarkably stable and known to possess several biological functions such as microRNA sponging, regulating transcription and splicing and occasionally acting as polypeptide‑producing templates. CircRNAs show tissue‑specific expression and have been reported to be associated with the progression of several types of malignancies. Given the recent progress in genome sequencing and bioinformatics techniques, a rapid increment in the biological role of circRNAs has been observed. Concurrently, the patent search from different patent databases shows that the patent number of circRNA is increasing very quickly. These phenomena reveal a rapid development of the technological landscape. In the present review, the recent progress on circRNAs in various kinds of cancer has been investigated and their function as biomarkers or therapeutic targets and their technological landscape have been appreciated. A new insight into circRNAs structure and functional capabilities in cancer has been reviewed. Continually increasing knowledge on their critical role during cancer progression is projecting them as biomarkers or therapeutic targets for various kinds of cancer. Thus, recent updates on the functional role of circRNAs in terms of the technological landscape, clinical opportunities (biomarkers and therapeutic targets), and challenges in cancer have been illustrated.
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Affiliation(s)
- Ashish Ranjan Sharma
- Institute for Skeletal Aging and Orthopedic Surgery, Hallym University‑Chuncheon Sacred Heart Hospital, Chuncheon, Gangwon 24252, Republic of Korea
| | - Shreya Banerjee
- Department of Biotechnology, School of Life Science and Biotechnology, Adamas University, Kolkata, West Bengal 700126, India
| | - Manojit Bhattacharya
- Department of Zoology, Fakir Mohan University, Vyasa Vihar, Balasore, Odisha 756020, India
| | - Abinit Saha
- Department of Biotechnology, School of Life Science and Biotechnology, Adamas University, Kolkata, West Bengal 700126, India
| | - Sang-Soo Lee
- Institute for Skeletal Aging and Orthopedic Surgery, Hallym University‑Chuncheon Sacred Heart Hospital, Chuncheon, Gangwon 24252, Republic of Korea
| | - Chiranjib Chakraborty
- Department of Biotechnology, School of Life Science and Biotechnology, Adamas University, Kolkata, West Bengal 700126, India
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50
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Chen L, Sun Y, Tang M, Wu D, Xiang Z, Huang CP, You B, Xie D, Ye Q, Yu D, Chang C. High-dose-androgen-induced autophagic cell death to suppress the Enzalutamide-resistant prostate cancer growth via altering the circRNA-BCL2/miRNA-198/AMBRA1 signaling. Cell Death Dis 2022; 8:128. [PMID: 35318303 PMCID: PMC8941094 DOI: 10.1038/s41420-022-00898-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/07/2022] [Accepted: 02/14/2022] [Indexed: 01/22/2023]
Abstract
Androgen deprivation therapy (ADT) is a gold standard treatment for advanced PCa. However, most patients eventually develop the castration-resistant prostate cancer (CRPC) that progresses rapidly despite ongoing systemic androgen deprivation. While early studies indicated that high physiological doses of androgens might suppress rather than promote PCa cell growth in some selective CRPC patients, the exact mechanism of this opposite effect remains unclear. Here we found that Enzalutamide-resistant (EnzR) CRPC cells can be suppressed by the high-dose-androgen (dihydrotestosterone, DHT). Mechanism dissection suggested that a high-dose-DHT can suppress the circular RNA-BCL2 (circRNA-BCL2) expression via transcriptional regulation of its host gene BCL2. The suppressed circRNA-BCL2 can then alter the expression of miRNA-198 to modulate the AMBRA1 expression via direct binding to the 3′UTR of AMBRA1 mRNA. The consequences of high-dose-DHT suppressed circRNA-BCL2/miRNA-198/AMBRA1 signaling likely result in induction of the autophagic cell death to suppress the EnzR CRPC cell growth. Preclinical studies using in vivo xenograft mouse models also demonstrated that AMBRA1-shRNA to suppress the autophagic cell death can weaken the effect of high-dose-DHT on EnzR CRPC tumors. Together, these in vitro and in vivo data provide new insights for understanding the mechanisms underlying high-dose-DHT suppression of the EnzR CRPC cell growth, supporting a potential therapy using high-dose-androgens to suppress CRPC progression in the future.
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Affiliation(s)
- Lei Chen
- Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230000, China.,George Whipple Lab for Cancer Research, Departments of Pathology, Urology, Radiation Oncology and The Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, NY, 14642, USA
| | - Yin Sun
- George Whipple Lab for Cancer Research, Departments of Pathology, Urology, Radiation Oncology and The Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, NY, 14642, USA
| | - Min Tang
- George Whipple Lab for Cancer Research, Departments of Pathology, Urology, Radiation Oncology and The Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, NY, 14642, USA.,Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Denglong Wu
- Department of Urology, Tongji Hospital, School of Medicine, Tongji Universiry, Shanghai, 200092, China
| | - Zhendong Xiang
- Department of Urology, Tongji Hospital, School of Medicine, Tongji Universiry, Shanghai, 200092, China
| | - Chi-Ping Huang
- Sex Hormone Research Center, Department of Urology, China Medical University/Hospital, Taichung, 404, Taiwan, ROC
| | - Bosen You
- George Whipple Lab for Cancer Research, Departments of Pathology, Urology, Radiation Oncology and The Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, NY, 14642, USA
| | - Dongdong Xie
- Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230000, China
| | - Qinglin Ye
- Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230000, China
| | - Dexin Yu
- Department of Urology, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230000, China.
| | - Chawnshang Chang
- George Whipple Lab for Cancer Research, Departments of Pathology, Urology, Radiation Oncology and The Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, NY, 14642, USA. .,Sex Hormone Research Center, Department of Urology, China Medical University/Hospital, Taichung, 404, Taiwan, ROC.
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