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Luo X, Shi J, Wang S, Jin X. The role of circular RNA targeting IGF2BPs in cancer-a potential target for cancer therapy. J Mol Med (Berl) 2024:10.1007/s00109-024-02488-8. [PMID: 39287635 DOI: 10.1007/s00109-024-02488-8] [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: 04/07/2024] [Revised: 07/01/2024] [Accepted: 09/10/2024] [Indexed: 09/19/2024]
Abstract
Circular RNAs (circRNAs) are an interesting class of conserved single-stranded RNA molecules derived from exon or intron sequences produced by the reverse splicing of precursor mRNA. CircRNAs play important roles as microRNA sponges, gene splicing and transcriptional regulators, RNA-binding protein sponges, and protein/peptide translation factors. Abnormal functions of circRNAs and RBPs in tumor progression have been widely reported. Insulin-like growth factor-2 mRNA-binding proteins (IGF2BPs) are a highly conserved family of RBPs identified in humans that function as post-transcriptional fine-tuners of target transcripts. Emerging evidence suggests that IGF2BPs regulate the processing and metabolism of RNA, including its stability, translation, and localization, and participate in a variety of cellular functions and pathophysiology. In this review, we have summarized the roles and molecular mechanisms of circRNAs and IGF2BPs in cancer development and progression. In addition, we briefly introduce the role of other RNAs and IGF2BPs in cancer, discuss the current clinical applications and challenges faced by circRNAs and IGF2BPs, and propose future directions for this promising research field.
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Affiliation(s)
- Xia Luo
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Jiaxin Shi
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Siyuan Wang
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Xiaofeng Jin
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, 315211, China.
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2
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Tuerdi R, Zhang H, Wang W, Shen M, Wei X. Bibliometric analysis of the research hotspots and trends of circular RNAs. Heliyon 2024; 10:e31478. [PMID: 38818139 PMCID: PMC11137546 DOI: 10.1016/j.heliyon.2024.e31478] [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: 11/29/2023] [Revised: 03/27/2024] [Accepted: 05/16/2024] [Indexed: 06/01/2024] Open
Abstract
Background and objective Circular RNAs (circRNAs) have garnered considerable attention in the study of various human diseases due to their ubiquitous expression and potential biological functions. This study conducts a bibliometric and visualization-based analysis of circRNA-related research in diseases, aiming to reveal the current status, hotspots and emerging trends within the field. Methods Literature published between 2013 and 2022 and indexed in the Web of Science core databases was retrieved. Visualizations of publication volume, countries, authors, institutions, journals, references, and keywords were performed. Microsoft Excel (2021) was used to analyze and graph publication volume and growth trends. Additionally, CiteSpace (version 6.1.R6) and VOSviewer (version 1.6.18) were employed to visualize the bibliographic information. Results Between 2013 and 2022, a total of 4195 relevant articles on circRNA in the context of diseases were identified. These articles covered 56 countries, 2528 institutions, 19,842 authors and 698 journals, citing 85,541 references. The annual publication volume showed an exponential growth trend, with rapid development post-2017. China, the United States and Germany emerged as the top three contributors, demonstrating high publication volume and total citations. Notably, Nanjing Medical University exhibited the highest publication volume, boasting 291 articles. Burton B. Yang and Li Yang consistently ranked among the top 10 authors in terms of publication volume and citations, emerging as core contributors in this research field. The journal Bioengineered ranked first in terms of published articles (160), with an impact factor of 6.832, while Molecular Cancer garnered the highest impact factor (41.4), solidifying its position as a top journal in this field. Furthermore, high-frequency keywords included "expression" "proliferation" "biomarker" "microRNA" "cancer", signifying the prevailing research hotspots and principal themes of this field over the past decade. As of 2022, "biomarker", "prostate cancer","drug resistance","papillary thyroid carcinoma", etc. continued as keywords during the outbreak period. At present, the value of circRNA application is mainly reflected in the two aspects of biomarkers and therapeutic targets, and the prediction of accurate diagnosis and precise treatment based on big data analysis, especially in cancer, will become a hot spot of research in the future. Conclusion The trajectory of circRNA research from its biological origins to its applications in diseases has been delineated from 2013 to 2022. However, the transition to disease-specific applications and exploration of biological functions warrants further attention in future research endeavors.
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Affiliation(s)
- Reyila Tuerdi
- School of Public Health, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu, China
| | - Hui Zhang
- Pathogenic Biology Laboratory, Gansu Provincial Center for Disease Prevention and Control, Lanzhou, 730000, Gansu, China
| | - Wenxin Wang
- School of Public Health, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu, China
| | - Minghui Shen
- Center of Laboratory Medicine, Lanzhou University Second Hospital, Lanzhou, 730000, Gansu, China
| | - Xingmin Wei
- School of Public Health, Gansu University of Chinese Medicine, Lanzhou, 730000, Gansu, China
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Wang S, Zhang BS, Yang Y, Fu LL. CircFN1 promotes acute myeloid leukemia cell proliferation and invasion but refrains apoptosis via miR-1294/ARHGEF10L axis. Kaohsiung J Med Sci 2024; 40:221-230. [PMID: 38180276 DOI: 10.1002/kjm2.12801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 11/14/2023] [Accepted: 11/16/2023] [Indexed: 01/06/2024] Open
Abstract
Previous studies have proved circFN1 is highly expressed in acute myeloid leukemia (AML) patients and AML cell lines. This study aims to investigate the impact of circFN1 on AML and its mechanism. Via real-time quantitative PCR to detect circFN1, miR-1294, ARHGEF10L expressions in clinical plasma samples and AML cell lines, AML cells were cultured in vitro and transfected with si-circFN1, pcDNA3.1-circFN1, and si-ARHGEF10L, respectively, or co-transfected pcDNA3.1-circFN1 + miR-1294 mimic and pcDNA3.1-circFN1 + si-ARHGEF10L. Using dual luciferase reporter experiment to detect the relationship between circFN1 and miR-1294, as well as miR-1294 and ARHGEF10L. CCK-8 was used to detect cell proliferation, Transwell to cell invasion, TUNEL staining and flow cytometry to detect cell apoptosis, RT-qPCR to circFN1 RNA, miR-1294, and ARHGEF10L expression levels in HL-60 cells, and western blot to ARHGEF10L protein expression level in HL-60 cells. We found highly expressed circFN1 and ARHGEF10L, as well as low-expressed miR-1294 in AML patients and AML cell lines. In contrast to si-NC group, si-circFN1 group could signally inhibit HL-60 cell proliferation and migration, but promote cell apoptosis; compared with mimic NC group, miR-1294 mimic group could visually inhibit HL-60 cell proliferation and migration, but promote cell apoptosis. miR-1294 was the target of circFN1, and ARHGEF10L was the target of miR-1294. Over-expressing miR-1294 or silencing ARHGEF10L could signally inhibit circFN1 promoting HL-60 cell proliferation and migration and repressing cell apoptosis. circFN1 promotes proliferation and invasion of AML cell and represses cell apoptosis via regulating miR-1294/ARHGEF10L axis, which provides new insight for molecular targeted-treatment for AML.
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Affiliation(s)
- Sheng Wang
- Department of Hematology, Three Gorges Hospital Affiliated to Chongqing University, Chongqing City, China
| | - Bang-Shuo Zhang
- Department of Hematology, Three Gorges Hospital Affiliated to Chongqing University, Chongqing City, China
| | - Yi Yang
- Department of Hematology, Three Gorges Hospital Affiliated to Chongqing University, Chongqing City, China
| | - Lin-Lin Fu
- Department of Hematology, Three Gorges Hospital Affiliated to Chongqing University, Chongqing City, China
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Barbosa DF, Oliveira LS, Nachtigall PG, Valentini Junior R, de Souza N, Paschoal AR, Kashiwabara AY. cirCodAn: A GHMM-based tool for accurate prediction of coding regions in circRNA. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2024; 139:289-334. [PMID: 38448139 DOI: 10.1016/bs.apcsb.2023.11.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Studies focusing on characterizing circRNAs with the potential to translate into peptides are quickly advancing. It is helping to elucidate the roles played by circRNAs in several biological processes, especially in the emergence and development of diseases. While various tools are accessible for predicting coding regions within linear sequences, none have demonstrated accurate open reading frame detection in circular sequences, such as circRNAs. Here, we present cirCodAn, a novel tool designed to predict coding regions in circRNAs. We evaluated the performance of cirCodAn using datasets of circRNAs with strong translation evidence and showed that cirCodAn outperformed the other tools available to perform a similar task. Our findings demonstrate the applicability of cirCodAn to identify coding regions in circRNAs, which reveals the potential of use of cirCodAn in future research focusing on elucidating the biological roles of circRNAs and their encoded proteins. cirCodAn is freely available at https://github.com/denilsonfbar/cirCodAn.
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Affiliation(s)
- Denilson Fagundes Barbosa
- Programa de Pós-Graduação Associado em Bioinformática (UFPR/UTFPR), Departamento Acadêmico de Computação (DACOM), Universidade Tecnológica Federal do Paraná (UTFPR), Cornélio Procópio, Paraná, Brazil; Instituto Federal de Educação, Ciência e Tecnologia de Santa Catarina (IFSC), Canoinhas, Santa Catarina, Brazil
| | - Liliane Santana Oliveira
- Programa de Pós-Graduação Associado em Bioinformática (UFPR/UTFPR), Departamento Acadêmico de Computação (DACOM), Universidade Tecnológica Federal do Paraná (UTFPR), Cornélio Procópio, Paraná, Brazil
| | - Pedro Gabriel Nachtigall
- Laboratório de Toxinologia Aplicada, CeTICS, Instituto Butantan, São Paulo, SP, Brazil; Centre for Ecological and Evolutionary Synthesis, Department of Biosciences, University of Oslo, Oslo, Norway
| | - Rodolpho Valentini Junior
- Programa de Pós-Graduação Associado em Bioinformática (UFPR/UTFPR), Departamento Acadêmico de Computação (DACOM), Universidade Tecnológica Federal do Paraná (UTFPR), Cornélio Procópio, Paraná, Brazil
| | - Nayane de Souza
- Programa de Pós-Graduação Associado em Bioinformática (UFPR/UTFPR), Departamento Acadêmico de Computação (DACOM), Universidade Tecnológica Federal do Paraná (UTFPR), Cornélio Procópio, Paraná, Brazil
| | - Alexandre Rossi Paschoal
- Programa de Pós-Graduação Associado em Bioinformática (UFPR/UTFPR), Departamento Acadêmico de Computação (DACOM), Universidade Tecnológica Federal do Paraná (UTFPR), Cornélio Procópio, Paraná, Brazil
| | - André Yoshiaki Kashiwabara
- Programa de Pós-Graduação Associado em Bioinformática (UFPR/UTFPR), Departamento Acadêmico de Computação (DACOM), Universidade Tecnológica Federal do Paraná (UTFPR), Cornélio Procópio, Paraná, Brazil.
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Meccariello R, Bellenchi GC, Pulcrano S, D’Addario SL, Tafuri D, Mercuri NB, Guatteo E. Neuronal dysfunction and gene modulation by non-coding RNA in Parkinson's disease and synucleinopathies. Front Cell Neurosci 2024; 17:1328269. [PMID: 38249528 PMCID: PMC10796818 DOI: 10.3389/fncel.2023.1328269] [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: 10/26/2023] [Accepted: 12/07/2023] [Indexed: 01/23/2024] Open
Abstract
Over the last few decades, emerging evidence suggests that non-coding RNAs (ncRNAs) including long-non-coding RNA (lncRNA), microRNA (miRNA) and circular-RNA (circRNA) contribute to the molecular events underlying progressive neuronal degeneration, and a plethora of ncRNAs have been identified significantly misregulated in many neurodegenerative diseases, including Parkinson's disease and synucleinopathy. Although a direct link between neuropathology and causative candidates has not been clearly established in many cases, the contribution of ncRNAs to the molecular processes leading to cellular dysfunction observed in neurodegenerative diseases has been addressed, suggesting that they may play a role in the pathophysiology of these diseases. Aim of the present Review is to overview and discuss recent literature focused on the role of RNA-based mechanisms involved in different aspects of neuronal pathology in Parkinson's disease and synucleinopathy models.
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Affiliation(s)
- Rosaria Meccariello
- Department of Medical and Movement Sciences and Wellness, University of Naples Parthenope, Naples, Italy
| | - Gian Carlo Bellenchi
- Institute of Genetics and Biophysics, CNR, Naples, Italy
- Experimental Neurology Laboratory, Santa Lucia Foundation IRCCS, Rome, Italy
| | | | - Sebastian Luca D’Addario
- Experimental Neurology Laboratory, Santa Lucia Foundation IRCCS, Rome, Italy
- Computational and Translational Neuroscience Laboratory, Institute of Cognitive Sciences and Technologies, CNR, Rome, Italy
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, United States
| | - Domenico Tafuri
- Department of Medical and Movement Sciences and Wellness, University of Naples Parthenope, Naples, Italy
| | - Nicola B. Mercuri
- Experimental Neurology Laboratory, Santa Lucia Foundation IRCCS, Rome, Italy
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, United States
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Ezia Guatteo
- Department of Medical and Movement Sciences and Wellness, University of Naples Parthenope, Naples, Italy
- Experimental Neurology Laboratory, Santa Lucia Foundation IRCCS, Rome, Italy
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, United States
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Samavarchi Tehrani S, Goodarzi G, Panahi G, Maniati M, Meshkani R. Multiple novel functions of circular RNAs in diabetes mellitus. Arch Physiol Biochem 2023; 129:1235-1249. [PMID: 34087083 DOI: 10.1080/13813455.2021.1933047] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 05/17/2021] [Indexed: 12/13/2022]
Abstract
Circular RNAs (circRNAs), as an emerging group of non-coding RNAs (ncRNAs), have received the attention given evidence indicating that these novel ncRNAs are implicated in various biological processes. Due to the absence of 5' and 3' ends in circ-RNAs, their two ends are covalently bonded together, and they are synthesised from pre-mRNAs in a process called back-splicing, which makes them more stable than linear RNAs. There is accumulating evidence showing that circRNAs play a critical role in the pathogenesis of diabetes mellitus (DM). Moreover, it has been indicated that dysregulation of circRNAs has made them promising diagnostic biomarkers for the detection of DM. Recently, increasing attention has been paid to investigate the mechanisms underlying the DM process. It has been demonstrated that there is a strong correlation between the expression of circRNAs and DM. Hence, our aim is to discuss the crosstalk between circRNAs and DM and its complications.
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Affiliation(s)
- Sadra Samavarchi Tehrani
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Student Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Golnaz Goodarzi
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Student Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ghodratollah Panahi
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmood Maniati
- English Department, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Reza Meshkani
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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7
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Ye J, Shan Y, Zhou X, Tian T, Gao W. Identification of Novel Circular RNA Targets in Key Penumbra Region of Rats After Cerebral Ischemia-Reperfusion Injury. J Mol Neurosci 2023; 73:751-762. [PMID: 37684515 PMCID: PMC10694113 DOI: 10.1007/s12031-023-02153-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 08/30/2023] [Indexed: 09/10/2023]
Abstract
Circular RNAs (circRNAs) are abundantly and stably expressed in the brain of mammals and humans. Some circRNAs are implicated in ischemic stroke. Therefore, we aimed to detect how circRNAs change in the key penumbra area during cerebral ischemia-reperfusion (CI/R) injury. Rats were subjected to transient middle cerebral artery occlusion (tMCAO), during which the permanent blocking period was 2 h and reperfusion time was 24 or 72 h. Then modified neurologic severity score (mNSS), triphenyl tetrazolium chloride (TTC) staining and HE staining were used to exhibiting damage between rats in different groups. The penumbra regions of all rats were dissected and total RNA was further processed for high-throughput sequencing. CircRNA expression profiles were screened and bioinformatics analyses were conducted to investigate these differentially expressed circRNAs. Some of them were verified by reverse transcription-quantitative polymerase chain reaction (RT-qPCR), followed by the establishment of a circRNA-miRNA-mRNA network and the detection of their downstream molecules. A total of 99 and 98 circRNAs were differentially expressed at CI/R 24 h and CI/R 72 h, respectively. Notably, 21 circRNAs significantly changed at both reperfusion points. Three circRNAs, namely circ.7225, circ.5415, and circ.20623 were found to be associated with CI/R injury and might be preferred targets. Common downstream miR-298-5p and Bcl-3 were found to make up the circRNA-miRNA-mRNA network. Novel circRNA targets came to light in the penumbra of rats during CI/R injury and might establish the circRNA-miRNA-mRNA relationship, thus serving as potential biomarkers for ischemic stroke treatment.
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Affiliation(s)
- Jiabei Ye
- Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Hebei University of Chinese Medicine, 326 South Xinshi Road, 050091, Shijiazhuang, Hebei Province, China
- Department of Acupuncture and Moxibustion, Hebei Province Hospital of Chinese Medicine, 050011, Shijiazhuang, Hebei, China
| | - Yudong Shan
- Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Hebei University of Chinese Medicine, 326 South Xinshi Road, 050091, Shijiazhuang, Hebei Province, China
- Hebei Cangzhou Hospital of Integrated Traditional and Western Medicine, Cangzhou, 061012, China
| | - Xiaohong Zhou
- Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Hebei University of Chinese Medicine, 326 South Xinshi Road, 050091, Shijiazhuang, Hebei Province, China
| | - Tian Tian
- Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Hebei University of Chinese Medicine, 326 South Xinshi Road, 050091, Shijiazhuang, Hebei Province, China
| | - Weijuan Gao
- Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Hebei University of Chinese Medicine, 326 South Xinshi Road, 050091, Shijiazhuang, Hebei Province, China.
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8
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Varesi A, Campagnoli LIM, Barbieri A, Rossi L, Ricevuti G, Esposito C, Chirumbolo S, Marchesi N, Pascale A. RNA binding proteins in senescence: A potential common linker for age-related diseases? Ageing Res Rev 2023; 88:101958. [PMID: 37211318 DOI: 10.1016/j.arr.2023.101958] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/09/2023] [Accepted: 05/18/2023] [Indexed: 05/23/2023]
Abstract
Aging represents the major risk factor for the onset and/or progression of various disorders including neurodegenerative diseases, metabolic disorders, and bone-related defects. As the average age of the population is predicted to exponentially increase in the coming years, understanding the molecular mechanisms underlying the development of aging-related diseases and the discovery of new therapeutic approaches remain pivotal. Well-reported hallmarks of aging are cellular senescence, genome instability, autophagy impairment, mitochondria dysfunction, dysbiosis, telomere attrition, metabolic dysregulation, epigenetic alterations, low-grade chronic inflammation, stem cell exhaustion, altered cell-to-cell communication and impaired proteostasis. With few exceptions, however, many of the molecular players implicated within these processes as well as their role in disease development remain largely unknown. RNA binding proteins (RBPs) are known to regulate gene expression by dictating at post-transcriptional level the fate of nascent transcripts. Their activity ranges from directing primary mRNA maturation and trafficking to modulation of transcript stability and/or translation. Accumulating evidence has shown that RBPs are emerging as key regulators of aging and aging-related diseases, with the potential to become new diagnostic and therapeutic tools to prevent or delay aging processes. In this review, we summarize the role of RBPs in promoting cellular senescence and we highlight their dysregulation in the pathogenesis and progression of the main aging-related diseases, with the aim of encouraging further investigations that will help to better disclose this novel and captivating molecular scenario.
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Affiliation(s)
- Angelica Varesi
- Department of Biology and Biotechnology, University of Pavia, Pavia, Italy.
| | | | - Annalisa Barbieri
- Department of Drug Sciences, Section of Pharmacology, University of Pavia, Pavia, Italy
| | - Lorenzo Rossi
- Institute of Molecular Biology and Biophysics, ETH Zurich, Zurich, Switzerland
| | | | - Ciro Esposito
- Department of Internal Medicine and Therapeutics, University of Pavia, Italy; Nephrology and dialysis unit, ICS S. Maugeri SPA SB Hospital, Pavia, Italy; High School in Geriatrics, University of Pavia, Italy
| | | | - Nicoletta Marchesi
- Department of Drug Sciences, Section of Pharmacology, University of Pavia, Pavia, Italy
| | - Alessia Pascale
- Department of Drug Sciences, Section of Pharmacology, University of Pavia, Pavia, Italy.
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Nezhad Nezhad MT, Rajabi M, Nekooeizadeh P, Sanjari S, Pourvirdi B, Heidari MM, Veradi Esfahani P, Abdoli A, Bagheri S, Tobeiha M. Systemic lupus erythematosus: From non-coding RNAs to exosomal non-coding RNAs. Pathol Res Pract 2023; 247:154508. [PMID: 37224659 DOI: 10.1016/j.prp.2023.154508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/01/2023] [Accepted: 05/05/2023] [Indexed: 05/26/2023]
Abstract
Systemic lupus erythematosus (SLE), as an immunological illness, frequently impacts young females. Both vulnerabilities to SLE and the course of the illness's clinical symptoms have been demonstrated to be affected by individual differences in non-coding RNA expression. Many non-coding RNAs (ncRNAs) are out of whack in patients with SLE. Because of the dysregulation of several ncRNAs in peripheral blood of patients suffering from SLE, these ncRNAs to be showed valuable as biomarkers for medication response, diagnosis, and activity. NcRNAs have also been demonstrated to influence immune cell activity and apoptosis. Altogether, these facts highlight the need of investigating the roles of both families of ncRNAs in the progress of SLE. Being aware of the significance of these transcripts perhaps elucidates the molecular pathogenesis of SLE and could open up promising avenues to create tailored treatments during this condition. In this review we summarized various non-coding RNAs and Exosomal non-coding RNAs in SLE.
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Affiliation(s)
| | - Mohammadreza Rajabi
- Student Research Committee، Shiraz University of Medical Sciences, Shiraz, Iran
| | - Pegah Nekooeizadeh
- Student Research Committee، Shiraz University of Medical Sciences, Shiraz, Iran
| | - Siavash Sanjari
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran; School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Bita Pourvirdi
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran; School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Mohammad Mehdi Heidari
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran; Department of Pediatric, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Pegah Veradi Esfahani
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran; School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Amirhossein Abdoli
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran; School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Sahar Bagheri
- Diabetes Research Center, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Mohammad Tobeiha
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran; Department of Pediatric, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran.
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10
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Meng F, Shen F, Chu X, Ling H, Qiao Y, Liu D. Hsa_circ_0008500 inhibits apoptosis of adipose-derived stem cells under high glucose through hsa-miR-1273h-5p/ELK1 axis. ENVIRONMENTAL TOXICOLOGY 2023. [PMID: 37014014 DOI: 10.1002/tox.23801] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/19/2023] [Accepted: 03/20/2023] [Indexed: 06/19/2023]
Abstract
Preliminary researches have confirmed that the number of apoptosis of adipose tissue-derived stem cells (ADSCs) in patients with diabetes is significantly increased, leading to a difficult healing wound. Increasing researches revealed that circular RNAs (circRNAs) can control apoptosis. However, it is still unclear whether and how circRNAs are critical for regulating ADSCs apoptosis. In this study, we utilized in vitro model in which ADSCs were cultivated with normal glucose (NG) (5.5 mM) or high glucose (HG) (25 mM) medium, respectively, and found that more apoptotic ADSCs were observed in HG medium comparing to ADSCs in NG medium. Furthermore, we found that hsa_circ_0008500 attenuated HG-mediated ADSCs apoptosis. In addition, Hsa_circ_0008500 could directly interact with hsa-miR-1273h-5p, acting as a miRNA sponge, which subsequently suppressed Ets-like protein-1(ELK1) expression, the downstream target of hsa-miR-1273h-5p. Thus, these results indicated that targeting the hsa_circ_0008500/hsa-miR-1273h-5p/ELK1 signaling pathway in ADSCs may be a potential target for repairing diabetic wounds.
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Affiliation(s)
- Fandong Meng
- Department of Traditional Chinese Medicine, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
- Department of Endocrinology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, 221002, China
| | - Fengjie Shen
- Department of Endocrinology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, 221002, China
| | - Xuan Chu
- Department of Endocrinology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, 221002, China
| | - Hongwei Ling
- Department of Endocrinology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, 221002, China
| | - Yun Qiao
- Department of Traditional Chinese Medicine, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Deshan Liu
- Department of Traditional Chinese Medicine, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
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Gupta J, Abdulsahib WK, Turki Jalil A, Saadi Kareem D, Aminov Z, Alsaikhan F, Ramírez-Coronel AA, Ramaiah P, Farhood B. Prostate Cancer and microRNAs: New insights into Apoptosis. Pathol Res Pract 2023; 245:154436. [PMID: 37062208 DOI: 10.1016/j.prp.2023.154436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 03/30/2023] [Accepted: 04/02/2023] [Indexed: 04/09/2023]
Abstract
Prostate cancer (PCa) is known as one of the most prevalent malignancies globally and is not yet curable owing to its progressive nature. It has been well documented that Genetic and epigenetic alterations maintain mandatory roles in PCa development. Apoptosis, a form of programmed cell death, has been shown to be involved in a number of physiological processes. Apoptosis disruption is considered as one of the main mechanism involved in lots of pathological conditions, especially malignancy. There is ample of evidence in support of the fact that microRNAs (miRNAs) have crucial roles in several cellular biological processes, including apoptosis. Escaping from apoptosis is a common event in malignancy progression. Emerging evidence revealed miRNAs capabilities to act as apoptotic or anti-apoptotic factors by altering the expression levels of tumor inhibitor or oncogene genes. In the present narrative review, we described in detail how apoptosis dysfunction could be involved in PCa processes and additionally, the mechanisms behind miRNAs affect the apoptosis pathways in PCa. Identifying the mechanisms behind the effects of miRNAs and their targets on apoptosis can provide scientists new targets for PCa treatment.
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Affiliation(s)
- Jitendra Gupta
- Institute of Pharmaceutical Research, GLA University, Mathura 281406, U. P., India
| | - Waleed K Abdulsahib
- Department of Pharmacology and Toxicology, College of Pharmacy, Al Farahidi University, Baghdad, Iraq
| | - Abduladheem Turki Jalil
- Medical Laboratories Techniques Department, Al-Mustaqbal University College, Babylon, Hilla, 51001, Iraq.
| | | | - Zafar Aminov
- Department of Public Health and Healthcare management, Samarkand State Medical University, 18 Amir Temur Street, Samarkand, Uzbekistan; Department of Scientific Affairs, Tashkent State Dental Institute, 103 Makhtumkuli Str., Tashkent, Uzbekistan
| | - Fahad Alsaikhan
- College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia.
| | - Andrés Alexis Ramírez-Coronel
- Azogues Campus Nursing Career, Health and Behavior Research Group (HBR), Psychometry and Ethology Laboratory, Catholic University of Cuenca, Ecuador; Epidemiology and Biostatistics Research Group, CES University, Colombia; Educational Statistics Research Group (GIEE), National University of Education, Ecuador
| | | | - Bagher Farhood
- Department of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan, Iran.
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12
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Zhou J, Qiu C, Tang X, Wan R, Wu Z, Zou D, Wang W, Luo Y, Liu T. Investigation of the clinicopathological and prognostic role of circMTO1 in multiple cancers. Expert Rev Mol Diagn 2023; 23:159-170. [PMID: 36734331 DOI: 10.1080/14737159.2023.2177102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVE To observe the prognostic value of circular RNA mitochondrial tRNA translation optimization 1 (circMTO1) in human tumors. METHODS We searched multiple databases for related reports published before November 01, 2021. The OR/HR and 95% CI were extracted to explore the correlation between circMTO1 expression and clinicopathological features in various cancers. The stability of the results from meta-analysis was estimated via sensitivity analysis. We adopted Begg's funnel plots and Egger's test to appraise the potential bias of publication. Subgroup analysis for overall survival (OS) were also performed. RESULTS 11 studies containing 1383 patients and 4 articles including 536 patients were enrolled. We found that low expression status of circMTO1 was significantly related to big tumor size (OR=2.11, 95% CI: 1.26-3.56, P<0.05), poor differentiation tumors (OR=2.09, 95% CI: 1.46-2.98, P<0.05), OS (HR=2.02, 95% CI: 1.63-2.50, P<0.05), disease-free survival (DFS) (HR=1.83, 95% CI: 1.27-2.56, P<0.05) of cancers. Subgroup analysis indicated that low expression status of circMTO1 was correlated with OS, regardless of analysis method, cut-off value, case number and NOS score. CONCLUSIONS The low expression of circMTO1 may predict big tumor size, poor differentiation and worse outcome of cancer, presenting that circMTO1 may be a useful biomarker for prognosis of tumors.
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Affiliation(s)
- Jian Zhou
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Cheng Qiu
- Department of Orthopaedic Surgery, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Xianzhe Tang
- Department of Orthopedics, Chenzhou No. 1 People's Hospital, Xiangnan University, Chenzhou, Hunan, China
| | - Rongjun Wan
- Department of Respiratory Medicine, National Key Clinical Specialty, Branch of National Clinical Research Center for Respiratory Disease, Xiangya Hospital, Central South University, Changsha, Hunan, China.,Department of Respiratory Medicine, National Clinical Research Center for Geriatric Disorders, Xiangya Hospita, Changsha, Hunan, China
| | - Ziyi Wu
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Dazhi Zou
- Department of Spine Surgery, Longhui People's Hospital, Shaoyang, Hunan, China
| | - Wanchun Wang
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yingquan Luo
- Department of General Medicine, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Tang Liu
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
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13
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Gao L, Tan J, Han C, Fan J, He J, Luo T, Yu S, Che X, Zhang L, Wang X. Identification and characterization of differentially expressed circRNA in 2,3,7,8-tetrachlorodibenzo-p-dioxin-induced cleft palate. Hum Exp Toxicol 2023; 42:9603271231183359. [PMID: 37303070 DOI: 10.1177/09603271231183359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Various circular RNAs (circRNAs) are novel class of non-coding RNAs, which are pervasively transcribed in the genome. CircRNAs play important roles in human, animals and plants. Up to now, there was no report regarding circRNAs of cleft palate by 2,3,7,8-tetrachlorodibenzo-pdioxin (TCDD) induce. The present study screened identification and characterization of differential expressed-circRNAs in TCDD-induced cleft palate. 6903 circRNAs candidates came from cleft palates. Among them, 3525 circRNAs are up-regulation, and 3378 circRNAs are down-regulation by TCDD induce. The cluster and GO analysis found that circRNAs involved in biological process, cellular component, and molecular function. Through the analysis of KEGG Pathway, circRNAs made functions via classical signaling pathway in cleft palate, such as TGF-beta signaling pathway, BMP signal pathway, MAPK signaling pathway. In addition, we found down-regulated circRNA224, circRNA3302 and up-regulated circRNA5021 targeted tgfbr3, but up-regulated circRNA4451 targeted tgfbr2. circRNA4451 may make functions through TGF-beta signaling pathway. These results suggested that many different circRNAs may make important role in TCDD-induced cleft palate, which provided a theoretical basis for further research.
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Affiliation(s)
- Liyun Gao
- School of Basic Medicine, Jiujiang University, Jiujiang, China
| | - Jingwen Tan
- School of Pharmacy and Life Sciences, Jiujiang University, Jiujiang, China
| | - Chunhua Han
- Internal Medicine, First People's Hospital of Jiujiang City, Jiujiang, China
| | - Junfei Fan
- School of Humanities, Shangluo University, Shangluo, China
| | - Jiayin He
- School of Literature and Journalism, South-Central Minzu University, Wuhan, China
| | - Ting Luo
- School of Public Health, Nanchang University, Nanchang, China
| | - Shiqun Yu
- School of Public Health, Nanchang University, Nanchang, China
| | - Xiangxin Che
- School of Basic Medicine, Jiujiang University, Jiujiang, China
| | - Lin Zhang
- Yangze river fisheries research institute, Chinese academy of fisheries sciences, Wuhan, China
| | - Xin Wang
- School of Basic Medicine, Jiujiang University, Jiujiang, China
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14
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Liu J, Chen S, Li Z, Teng W, Ye X. Hsa_circ_0040809 and hsa_circ_0000467 promote colorectal cancer cells progression and construction of a circRNA-miRNA-mRNA network. Front Genet 2022; 13:993727. [PMID: 36339002 PMCID: PMC9631208 DOI: 10.3389/fgene.2022.993727] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 10/07/2022] [Indexed: 12/02/2022] Open
Abstract
Objective: Circular RNAs (circRNAs) have been demonstrated to be closely involved in colorectal cancer (CRC) pathogenesis and metastasis. More potential biomarkers are needed to be searched for colorectal cancer (CRC) diagnosis and treatment. The objective of this study is to seek differentially expressed circRNAs (DEcircRNAs), test their roles in CRC and construct a potential competing endogenous RNA (ceRNA) network. Methods: CircRNA microarrays were obtained from Gene Expression Omnibus, and differential expression was analyzed by R software. The relative expressions of DEcircRNAs were confirmed in CRC tissues and cell lines by qRT-PCR. MTs and Transwell experiments were performed for detecting the roles of circRNAs on CRC cell proliferation and migration, respectively. Targeted miRNAs of circRNAs and targeted mRNAs of miRNAs were predicted and screened by bioinformatics methods. A ceRNA network of DEcircRNAs was constructed by Cytoscape. To further verify the potential ceRNA network, the expressions of miRNAs and mRNAs in knockdown of DEcircRNAs CRC cells were detected by qRT-PCR. Results: Two DEcircRNAs (hsa_circ_0040809 and hsa_circ_0000467) were identified and validated in CRC tissues and cell lines. The results of MTs and Transwell experiments showed that hsa_circ_0040809 and hsa_circ_0000467 promoted CRC proliferation and migration. Bioinformatics analysis screened 3 miRNAs (miR-326, miR-330-5p, and miR-330-3p) and 2 mRNAs (FADS1 and RUNX1), and a ceRNA network was constructed. In knockdown of hsa_circ_0040809 HCT-116 cells, the expression of miR-330-3p was significantly upregulated, while RUNX1 was significantly downregulated. In knockdown of hsa_circ_0000467 HCT-116 cells, the expressions of miR-326 and miR-330-3p were upregulated, while FADS1was downregulated. Conclusion: We found that hsa_circ_0040809 and hsa_circ_0000467 were upregulated in CRC tissues and cell lines, and promoted CRC cell progression. A circRNA-miRNA-mRNA network based on hsa_circ_0040809 and hsa_circ_0000467 was constructed.
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Affiliation(s)
- Jingfu Liu
- Department of Blood Transfusion, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, China
| | - Shan Chen
- Department of Blood Transfusion, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, China
| | - Zhen Li
- Department of Blood Transfusion, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, China
| | - Wenhao Teng
- Department of Gastrointestinal Surgery, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, China
| | - Xianren Ye
- Department of Blood Transfusion, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, China
- Fujian Provincial Key Laboratory of Tumor Biotherapy, Fuzhou, China
- *Correspondence: Xianren Ye,
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15
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Erfanparast L, Taghizadieh M, Shekarchi AA. Non-Coding RNAs and Oral Cancer: Small Molecules With Big Functions. Front Oncol 2022; 12:914593. [PMID: 35898889 PMCID: PMC9309727 DOI: 10.3389/fonc.2022.914593] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 06/16/2022] [Indexed: 12/24/2022] Open
Abstract
Oral cancer remains a major public concern with considerable socioeconomic impact in the world. Despite substantial advancements have been made in treating oral cancer, the five-year survival rate for oral cancer remained undesirable, and the molecular mechanisms underlying OSCC carcinogenesis have not been fully understood. Noncoding RNAs (ncRNAs) include transfer RNAs (tRNAs), as well as small RNAs such as microRNAs, and the long ncRNAs such as HOTAIR are a large segment of the transcriptome that do not have apparent protein-coding roles, but they have been verified to play important roles in diverse biological processes, including cancer cell development. Cell death, such as apoptosis, necrosis, and autophagy, plays a vital role in the progression of cancer. A better understanding of the regulatory relationships between ncRNAs and these various types of cancer cell death is therefore urgently required. The occurrence and development of oral cancer can be controlled by increasing or decreasing the expression of ncRNAs, a method which confers broad prospects for oral cancer treatment. Therefore, it is urgent for us to understand the influence of ncRNAs on the development of different modes of oral tumor death, and to evaluate whether ncRNAs have the potential to be used as biological targets for inducing cell death and recurrence of chemotherapy. The purpose of this review is to describe the impact of ncRNAs on cell apoptosis and autophagy in oral cancer in order to explore potential targets for oral cancer therapy.
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Affiliation(s)
- Leila Erfanparast
- Department of Pediatric Dentistry, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Taghizadieh
- Department of Pathology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
- *Correspondence: Mohammad Taghizadieh,
| | - Ali Akbar Shekarchi
- Department of Pathology, Tabriz University of Medical Sciences, Tabriz, Iran
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16
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Identification of circRNA/miRNA/mRNA regulatory network involving (+)-catechin ameliorates diabetic nephropathy mice. FOOD SCIENCE AND HUMAN WELLNESS 2022. [DOI: 10.1016/j.fshw.2021.12.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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17
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Dehghanian F, Azhir Z, Khalilian S, Grüning B. Non-coding RNAs underlying the pathophysiological links between type 2 diabetes and pancreatic cancer: A systematic review. J Diabetes Investig 2022; 13:405-428. [PMID: 34859606 PMCID: PMC8902405 DOI: 10.1111/jdi.13727] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 11/11/2021] [Accepted: 11/30/2021] [Indexed: 12/21/2022] Open
Abstract
Type 2 diabetes is known as a risk factor for pancreatic cancer (PC). Various genetic and environmental factors cause both these global chronic diseases. The mechanisms that define their relationships are complex and poorly understood. Recent studies have implicated that metabolic abnormalities, including hyperglycemia and hyperinsulinemia, could lead to cell damage responses, cell transformation, and increased cancer risk. Hence, these kinds of abnormalities following molecular events could be essential to develop our understanding of this complicated link. Among different molecular events, focusing on shared signaling pathways including metabolic (PI3K/Akt/mTOR) and mitogenic (MAPK) pathways in addition to regulatory mechanisms of gene expression such as those involved in non-coding RNAs (miRNAs, circRNAs, and lncRNAs) could be considered as powerful tools to describe this association. A better understanding of the molecular mechanisms involved in the development of type 2 diabetes and pancreatic cancer would help us to find a new research area for developing therapeutic and preventive strategies. For this purpose, in this review, we focused on the shared molecular events resulting in type 2 diabetes and pancreatic cancer. First, a comprehensive literature review was performed to determine similar molecular pathways and non-coding RNAs; then, the final results were discussed in more detail.
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Affiliation(s)
- Fariba Dehghanian
- Department of Cell and Molecular Biology and MicrobiologyFaculty of Biological Science and TechnologyUniversity of IsfahanIsfahanIran
| | - Zahra Azhir
- Department of Cell and Molecular Biology and MicrobiologyFaculty of Biological Science and TechnologyUniversity of IsfahanIsfahanIran
| | - Sheyda Khalilian
- Department of Cell and Molecular Biology and MicrobiologyFaculty of Biological Science and TechnologyUniversity of IsfahanIsfahanIran
| | - Björn Grüning
- Department of Computer ScienceBioinformatics GroupUniversity of FreiburgFreiburgGermany
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18
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Jiang J, Gao G, Pan Q, Liu J, Tian Y, Zhang X. Circular RNA circHIPK3 is downregulated in diabetic cardiomyopathy and overexpression of circHIPK3 suppresses PTEN to protect cardiomyocytes from high glucose-induced cell apoptosis. Bioengineered 2022; 13:6272-6279. [PMID: 35200097 PMCID: PMC8974065 DOI: 10.1080/21655979.2022.2031395] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
It has been reported that circHIPK3 can be downregulated by high glucose, suggesting its potential involvement in diabetes and diabetic complications. This study aimed to explore the role of circHIPK3 in diabetic cardiomyopathy (DC). PTEN is a kind of tumor suppressor gene, which is very commonly lost in human cancer. We detected the expression of circHIPK3 and PTEN in plasma samples from DC patients, diabetic patients without complications diabetes mellitus (DM) and health controls by RT-qPCR and ELISA. In vitro cell experiment, AC16 cells (cardiomyocytes) were treated with high glucose, followed by expression analysis of circHIPK3 and PTEN mRNA by RT-qPCR. CircHIPK3 or PTEN expression vector were used to overexpress circHIPK3 and PTEN in AC16 cells to explore the relationship between them. The role of circHIPK3 and PTEN in regulating the apoptosis of AC16 cells was analyzed by cell apoptosis assay. The result showed that CircHIPK3 was downregulated in diabetes and further downregulated in DC. In AC16 cells, high glucose treatment decreased the expression levels of circHIPK3. Across DC samples, the expression of circHIPK3 was inversely correlated with PTEN. In AC16 cells, overexpression of circHIPK3 decreased the expression levels of PTEN. CircHIPK3 may suppress AC16 cell apoptosis induced by high glucose and inhibited the role of PTEN in cell apoptosis. Therefore, circHIPK3 may downregulate PTEN to protect cardiomyocytes from high glucose-induced cell apoptosis.
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Affiliation(s)
- Jun Jiang
- Department of Cardiology, Baoquanling Central Hospital, Hegang City, Heilongjiang Province, PR. China
| | - Guannan Gao
- Department of Cardiology, Baoquanling Central Hospital, Hegang City, Heilongjiang Province, PR. China
| | - Qiang Pan
- Department of Cardiology, Baoquanling Central Hospital, Hegang City, Heilongjiang Province, PR. China
| | - Jing Liu
- Department of Cardiology, Baoquanling Central Hospital, Hegang City, Heilongjiang Province, PR. China
| | - Yu Tian
- Department of Cardiology, Baoquanling Central Hospital, Hegang City, Heilongjiang Province, PR. China
| | - Xiaoji Zhang
- Department of Cardiology, Baoquanling Central Hospital, Hegang City, Heilongjiang Province, PR. China
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19
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Duan X, Yu X, Li Z. Circular RNA hsa_circ_0001658 regulates apoptosis and autophagy in gastric cancer through microRNA-182/Ras-related protein Rab-10 signaling axis. Bioengineered 2022; 13:2387-2397. [PMID: 35030981 PMCID: PMC8974080 DOI: 10.1080/21655979.2021.2024637] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Gastric cancer (GC) is a tumor with high incidence and lack of early diagnostic markers. The aim of this study was to explore novel regulatory circular RNAs (circRNAs) in GC and their underlying mechanisms. Differentially expressed circRNAs were analyzed using the Gene Expression Omnibus (GEO). mRNA and miRNA expression levels were determined using real-time reverse transcription polymerase chain reaction (RT-qPCR). Protein expression was detected using Western blotting. Cellular functions were evaluated using the cell counting kit-8 (CCK-8) assay and flow cytometry analysis. Immunofluorescence analysis was used to visually identify microtubule-associated protein 1 light chain 3 (LC3) puncta on a per-cell basis. Furthermore, dual-luciferase reporter and RNA pull-down assays were performed to verify the interaction between microRNA (miR)-182 and circ_0001658/Ras-related protein Rab-10 (RAB10). Circ_0001658 was identified to be aberrantly expressed in GC tissues and was demonstrated in GC cell lines (AGS and HGC27) in vitro. MiR-182 bound to circ_0001658 and RAB10. Circ_0001658 and RAB10 were upregulated, whereas miR-182 was suppressed in AGS and HGC27 cells. GC cell viability and autophagy were inhibited and apoptosis was promoted after circ_0001658 knockdown, and the cellular functions were reversed by downregulating miR-182. Moreover, upregulated RAB10 neutralized the effects of miR-182 on cell viability, autophagy, and apoptosis of GC cells. Silencing circ_0001658 restrained cell viability, suppressed autophagy, and promoted apoptosis of GC cells by sponging miR-182 to suppress the expression of RAB10. Therefore, circ_0001658 may be a potential therapeutic target for GC.
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Affiliation(s)
- Xinxing Duan
- Department of General Surgery, Affiliated Jiujiang Hospital of Nanchang University, Jiujiang, China
| | - Xiong Yu
- Department of General Surgery, Affiliated Jiujiang Hospital of Nanchang University, Jiujiang, China
| | - Zhengrong Li
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, China
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20
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Liu M, Zhao J. Circular RNAs in Diabetic Nephropathy: Updates and Perspectives. Aging Dis 2022; 13:1365-1380. [PMID: 36186139 PMCID: PMC9466972 DOI: 10.14336/ad.2022.0203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 02/02/2022] [Indexed: 11/30/2022] Open
Abstract
Circular RNAs (circRNAs) are widespread endogenous transcripts lacking 5′-caps and 3′-polyadenylation tails. Their closed-loop structure confers exonuclease resistance and extreme stability. CircRNAs play essential roles in various diseases, including diabetes. Diabetic nephropathy (DN) is the leading cause of end-stage kidney disease and is one of the most common complications of diabetes. CircRNAs are key in DN and therefore important for understanding DN pathophysiology and developing new therapeutic strategies. In the present review, we briefly introduce the characteristics and functions of circRNAs and summarize recent discoveries on how circRNAs participate in DN. Based on these advances, we suggest future perspectives for studying circRNAs in DN to improve DN treatment and management.
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Affiliation(s)
| | - Junli Zhao
- Correspondence should be addressed to: Dr. Junli Zhao, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China. E-mail: .
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21
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Modulation of Mesenchymal Stem Cells for Enhanced Therapeutic Utility in Ischemic Vascular Diseases. Int J Mol Sci 2021; 23:ijms23010249. [PMID: 35008675 PMCID: PMC8745455 DOI: 10.3390/ijms23010249] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 12/23/2021] [Accepted: 12/24/2021] [Indexed: 12/12/2022] Open
Abstract
Mesenchymal stem cells are multipotent stem cells isolated from various tissue sources, including but not limited to bone marrow, adipose, umbilical cord, and Wharton Jelly. Although cell-mediated mechanisms have been reported, the therapeutic effect of MSCs is now recognized to be primarily mediated via paracrine effects through the secretion of bioactive molecules, known as the “secretome”. The regenerative benefit of the secretome has been attributed to trophic factors and cytokines that play neuroprotective, anti-angiogenic/pro-angiogenic, anti-inflammatory, and immune-modulatory roles. The advancement of autologous MSCs therapy can be hindered when introduced back into a hostile/disease environment. Barriers include impaired endogenous MSCs function, limited post-transplantation cell viability, and altered immune-modulatory efficiency. Although secretome-based therapeutics have gained popularity, many translational hurdles, including the heterogeneity of MSCs, limited proliferation potential, and the complex nature of the secretome, have impeded the progress. This review will discuss the experimental and clinical impact of restoring the functional capabilities of MSCs prior to transplantation and the progress in secretome therapies involving extracellular vesicles. Modulation and utilization of MSCs–secretome are most likely to serve as an effective strategy for promoting their ultimate success as therapeutic modulators.
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22
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Lai S, Chen L, Zhan P, Lin G, Lin H, Huang H, Chen Q. Circular RNA Expression Profiles and Bioinformatic Analysis in Mouse Models of Obstructive Sleep Apnea-Induced Cardiac Injury: Novel Insights Into Pathogenesis. Front Cell Dev Biol 2021; 9:767283. [PMID: 34820383 PMCID: PMC8606653 DOI: 10.3389/fcell.2021.767283] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 10/25/2021] [Indexed: 01/22/2023] Open
Abstract
Circular RNAs (circRNAs) participate in the development of various kinds of diseases. However, the function and roles of circRNAs in obstructive sleep apnea (OSA)-induced cardiovascular disease remain poorly understood. Therefore, we sought to explore the circRNA expression profiles and predict their functions in OSA-induced cardiac injury with the use of bioinformatics analysis. The model of OSA was established in mouse treated by chronic intermittent hypoxia (CIH) exposure. Then, we screened the circRNA profile using circRNA microarray. By comparing circRNA expression in three matched pairs of CIH-treated cardiac tissues and controls, differentially expressed circRNAs were identified in the CIH groups. Comparison of the selected circRNAs expression levels was performed between qRT-PCR and microarray. Meanwhile, we employed Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses to predict the functions of these selected circRNAs. Finally, we constructed a circRNA-miRNA-mRNA network based on the target prediction. It was found that a total of 124 circRNAs were differentially expressed in CIH-treated cardiac tissues (p ≤ 0.05, fold-change ≥ 1.5). Among them, 23 circRNAs were significantly down-regulated, and the other 101 were up-regulated. Then, ten circRNAs were randomly selected to validate the reliability of the microarray results by using qRT-PCR. Next, we conducted the GO and KEGG pathway analysis to explore the parental genes functions of differentially expressed circRNA. Finally, two significantly differentially expressed circRNAs (mmu_circRNA_014309 and mmu_circRNA_21856) were further selected to create a circRNA-miRNA-mRNA regulation network. Our study did first reveal that the differentially expressed circRNAs played a vital role in the pathogenesis of OSA-induced cardiac damage. Thus, our findings bring us closer to unraveling the pathophysiologic mechanisms and eliciting novel therapeutic targets for the treatment of OSA-associated cardiovascular diseases.
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Affiliation(s)
- Suxian Lai
- Department of Neonatology, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, China
| | - Lijun Chen
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Pingyun Zhan
- Department of Cardiology, Haidu Hospital, Quanzhou, China
| | - Guofu Lin
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Hai Lin
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Huibin Huang
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
| | - Qingshi Chen
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China
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23
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Fan HN, Zhao XY, Liang R, Chen XY, Zhang J, Chen NW, Zhu JS. CircPTK2 inhibits the tumorigenesis and metastasis of gastric cancer by sponging miR-134-5p and activating CELF2/PTEN signaling. Pathol Res Pract 2021; 227:153615. [PMID: 34562827 DOI: 10.1016/j.prp.2021.153615] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 09/04/2021] [Accepted: 09/08/2021] [Indexed: 12/24/2022]
Abstract
BACKGROUND CircRNAs are a new subset of noncoding RNAs formed by covalent closed loops and play crucial roles in the regulation of cancer gene expression. However, the roles and underlying mechanisms of circRNAs in gastric cancer (GC) remain indistinct. This study aimed to explore the role and mechanism of hsa_circ_0006421 (circPTK2) in GC. METHODS The differential expression of circRNAs between GC tissues and adjacent normal tissues were identified by a circRNA expression profiling. Associations of circPTK2 or miR-134-5p expression with clinicopathological characteristics and prognosis of GC patients were analyzed by chi-square of Fisher's exact tests and Kaplan-Meier analysis. CCK8, colony formation, EdU assays and animal models were performed to assess the effects of circPTK2 on proliferation and invasion of GC cells. CircPTK2-specific probes were used to purify the RNA pulled down from the circPTK2, and enrichment of circPTK2 and miR-134-5p was detected by qRT-PCR. The effects of circPTK2 on miR-134-5p expression and CELF2/PTEN signaling were examined by qRT-PCR and Western blotting analysis. RESULTS Low expression of circPTK2 and high expression of miR-134-5p were related to the poor survival, and high expression of miR-134-5p was related to the tumor recurrence in GC patients. Overexpressing circPTK2 suppressed the proliferation, colony formation, DNA synthesis and cell invasion as well as xenograft tumor growth and lung metastasis in vitro and in vivo, whereas silencing circPTK2 had the opposite effects. Moreover, circPTK2 was negatively correlated and co-localized with miR-134-5p in the cytoplasm of GC tissue cells. circPTK2 bound to and sponged miR-134-5p in GC cells, and miR-134-5p facilitated cell growth and invasion but attenuated circPTK2 induced tumor suppressive effects and CELF2/PTEN signaling activation in GC cells. CONCLUSIONS circPTK2 functions as a tumor suppressor in GC by sponging miR-134-5p and activating the CELF2/PTEN axis.
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Affiliation(s)
- Hui-Ning Fan
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Sixth people's Hospital, Shanghai 200233, PR China.
| | - Xiang-Yun Zhao
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Sixth people's Hospital, Shanghai 200233, PR China.
| | - Rui Liang
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Sixth people's Hospital, Shanghai 200233, PR China.
| | - Xiao-Yu Chen
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Sixth people's Hospital, Shanghai 200233, PR China.
| | - Jing Zhang
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Sixth people's Hospital, Shanghai 200233, PR China.
| | - Ni-Wei Chen
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Sixth people's Hospital, Shanghai 200233, PR China.
| | - Jin-Shui Zhu
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Sixth people's Hospital, Shanghai 200233, PR China.
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Circular RNA circUBE2J2 acts as the sponge of microRNA-370-5P to suppress hepatocellular carcinoma progression. Cell Death Dis 2021; 12:985. [PMID: 34686662 PMCID: PMC8536678 DOI: 10.1038/s41419-021-04269-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 09/13/2021] [Accepted: 09/28/2021] [Indexed: 12/19/2022]
Abstract
Accumulating evidences indicate that circular RNAs (circRNAs), a class of non-coding RNAs, play important roles in tumorigenesis. However, the function of circRNAs in hepatocellular carcinoma is largely unknown. CircRNA microarray was performed to identify abnormally expressed circRNAs in HCC tissue samples. We conducted Kaplan–Meier survival analysis to explore the significance of circUBE2J2 in clinical prognosis. Then, we examined the functions of circUBE2J2 in HCC by cell proliferation, migration, and mouse xenograft assay. We identified miR-370-5P as a circUBE2J2-related microRNA by using biotin-labeled circUBE2J2 probe to perform RNA antisense purification (RAP) assay in HCC cells. The dual luciferase reporter assay and RNA pulldown assays were employed to verify the relationships among circUBE2J2, miRNA-370-5P, and KLF7. Microarray analysis and qRT-PCR verified a circRNA termed circUBE2J2 that was downregulated in HCC. Kaplan–Meier survival analysis showed that downregulated circUBE2J2 was correlated with poorer survival. CircUBE2J2 expression in HCC cells was selectively regulated via luciferase reporter assays; circUBE2J2 and KLF7 were observed to directly bind to miR-370-5P. Furthermore, knockdown of circUBE2J2 in HCC could downregulate KLF7, the target of miR-370-5P, thus promoting the proliferation and migration of HCC cells. Then the related experiment suggested that circUBE2J2 could regulate the expression of KLF7 by sponging miR-370-5p. In summary, we infer that circUBE2J2 may act as a competing endogenous RNA (ceRNA) to regulate KLF7 expression through sponging miR-370-5P and play a regulatory functions in HCC. CircUBE2J2 may be a diagnostic biomarker and potential target for HCC therapy.
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Zhou J, Zhang H, Zou D, Zhou Z, Wang W, Luo Y, Liu T. Clinicopathologic and prognostic roles of circular RNA plasmacytoma variant translocation 1 in various cancers. Expert Rev Mol Diagn 2021; 21:1095-1104. [PMID: 34346262 DOI: 10.1080/14737159.2021.1964959] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
OBJECTIVE To explore the clinicopathologic and prognostic significance of circular RNA plasmacytoma variant translocation 1 (circPVT1) in various cancers. METHODS Several databases were searched for eligible studies published before March 01, 2021. The pooled odds ratios (ORs) with 95% confidence interval (95% CI) were calculated to assess the association between circPVT1 expression and prognostic outcomes of tumor including age, gender, clinical stage, tumor size, metastasis and overall survival. Begg's funnel plots and Egger's test were used to evaluate the publication bias. The robustness of our results was assessed using sensitivity analysis. RESULTS Ten studies comprising a total of 878 patients with cancer were included in this meta-analysis. The results showed that the high expression of circPVT1 was significantly related to clinical stage (OR=3.44, 95% CI: 2.40-4.94, P<0.05), tumor size (OR=2.29, 95% CI: 1.38-3.79, P<0.05), metastasis (OR=2.97, 95% CI: 2.06-4.28, p<0.05) and overall survival of cancer (OR=3.30, 95% CI: 2.26-4.84, p<0.05), but not associated with age and gender of patients with tumor. No publication bias was found. CONCLUSIONS High expression of circPVT1 may predict an advanced clinical stage and poor prognosis of tumor, suggesting that circPVT1 may serve as a potential prognostic marker in cancers.
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Affiliation(s)
- Jian Zhou
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Hui Zhang
- Department of Geriatrics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Clinical Nursing Teaching and Research Section, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Dazhi Zou
- Department of Spine Surgery, Longhui County People's Hospital, Shaoyang, Hunan, China
| | - Zhen Zhou
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia
| | - Wanchun Wang
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yingquan Luo
- Department of General Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Tang Liu
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
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26
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Getu S, Tiruneh T, Andualem H, Hailemichael W, Kiros T, Mesfin Belay D, Kiros M. Coagulopathy in SARS-CoV-2 Infected Patients: Implication for the Management of COVID-19. J Blood Med 2021; 12:635-643. [PMID: 34305416 PMCID: PMC8296964 DOI: 10.2147/jbm.s304783] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 06/16/2021] [Indexed: 01/08/2023] Open
Abstract
COVID-19 disease has led to an extraordinary inclusive health crisis globally. Elevation of D-dimer is the major remarkable abnormal coagulation test in seriously ill COVID-19 patients. In nearly 50% of COVID-19 patients, the value of D-dimer was significantly enhancing. Recent literature indicated that COVID-19 patients were at higher risk of developing disseminated intravascular coagulation. Pro-inflammatory cytokines and chemokines are some of the factors leading to these conditions. The majority of COVID-19 patients showed a higher profile of pro-inflammatory cytokines and chemokines in severe clinical conditions. Tumor necrosis factor-α (TNF-α) and interleukins (ILs) elevated in COVID-19 infected patients. TNF-α, IL-6, and IL-1 are major cytokines vital for the inhibition of intrinsic anticoagulant pathways. COVID-19 becomes a higher complication with a significant effect on blood cell production and hemostasis cascades. Deep vein thrombosis and arterial thrombosis are common complications. Changes in hematological parameters are also frequently observed in COVID-19 patients. Especially, thrombocytopenia is an indicator for poor prognosis of the disease and is highly expected and aggravates the likelihood of death of SARS-CoV-2 infected individuals. Thrombopoiesis reduction in COVID-19 patients might be due to viral abuse of the bone marrow/the viral load may affect thrombopoietin production and function. In other ways, immune-inflammation-mediated destruction and increased consumption of platelets are also the possible proposed mechanisms for thrombocytopenia. Therefore, the counting of platelet cells is an easily accessible biomarker for disease monitoring. All SARS-CoV-2 infected patients should be admitted and identifying potential higher-risk patients. It is also obligatory to provide appropriate treatments with intensive care and strict follow-up. In addition, considerations of chronic diseases are essential for better prognosis and recovery. The current review discusses coagulopathy among SARS-CoV-2 infected individuals and its complication for the management of the disease.
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Affiliation(s)
- Sisay Getu
- Hematology and Immuno-hematology, Medical Laboratory Science, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Tegenaw Tiruneh
- Hematology and Immuno-hematology, Medical Laboratory Science, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Henok Andualem
- Immunology and Molecular Biology, Medical Laboratory Science, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Wasihun Hailemichael
- Immunology and Molecular Biology, Medical Laboratory Science, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Teklehayimanot Kiros
- Microbiology, Medical Laboratory Science, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Demeke Mesfin Belay
- Pediatrics and Child Health Nursing, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Mulugeta Kiros
- Microbiology, Medical Laboratory Science, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
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Ju X, Tang Y, Qu R, Hao S. The Emerging Role of Circ-SHPRH in Cancer. Onco Targets Ther 2021; 14:4177-4188. [PMID: 34285509 PMCID: PMC8286153 DOI: 10.2147/ott.s317403] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 06/29/2021] [Indexed: 12/24/2022] Open
Abstract
PURPOSE Circ-SHPRH is a circular RNA that can regulate the expression of target genes by sponging microRNAs (miRNAs) or translating tumor suppressor proteins. Recent studies have suggested that circ-SHPRH may play a role in the development of tumors and cancers. Hence, this paper aimed to review the biological characteristics, molecular mechanisms, and potential clinical significance of circ-SHPRH in a variety of tumors and to evaluate its potential as a new diagnostic and prognostic biomarker. METHODS Numerous experiments were performed regarding the abnormal expression of circ-SHPRH in a variety of tumors, including hepatocellular carcinoma, gastric carcinoma, non-small cell lung cancer, osteosarcoma, colorectal cancer, cholangiocarcinoma, pancreatic ductal adenocarcinoma, retinoblastoma, and glioblastoma. RESULTS Upregulation of circ-SHPRH reportedly inhibits tumor cell proliferation, migration, and invasion, leading to the inhibition of tumor development. The clinicopathological parameters and the functional characteristics of circ-SHPRH in multiple human tumors and cancers were summarized. Circ-SHPRH functions as a tumor suppressor gene and has great potential as a diagnostic and prognostic biomarker for different types of cancer.
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Affiliation(s)
- Xinyue Ju
- Department of Hematology and Oncology, The Second Bethune Clinical Medical College of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Yan Tang
- Department of Hematology and Oncology, The Second Bethune Clinical Medical College of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Rongfeng Qu
- Department of Hematology and Oncology, The Second Bethune Clinical Medical College of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Shuhong Hao
- Department of Hematology and Oncology, The Second Bethune Clinical Medical College of Jilin University, Changchun, Jilin, People’s Republic of China
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Ji X, Sun W, Lv C, Huang J, Zhang H. Circular RNAs Regulate Glucose Metabolism in Cancer Cells. Onco Targets Ther 2021; 14:4005-4021. [PMID: 34239306 PMCID: PMC8259938 DOI: 10.2147/ott.s316597] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 06/18/2021] [Indexed: 12/12/2022] Open
Abstract
Circular RNAs (circRNAs) were originally thought to result from RNA splicing errors. However, it has been shown that circRNAs can regulate cancer onset and progression in various ways. They can regulate cancer cell proliferation, differentiation, invasion, and metastasis. Moreover, they modulate glucose metabolism in cancer cells through different mechanisms such as directly regulating glycolytic enzymes and glucose transporter (GLUT) or indirectly regulating signal transduction pathways. In this review, we elucidate on the role of circRNAs in regulating glucose metabolism in cancer cells, which partly explains the pathogenesis of malignant tumors, and provides new therapeutic targets or new diagnostic and prognostic markers for human cancers.
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Affiliation(s)
- Xiaoyu Ji
- Department of Thyroid Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, 110001, People's Republic of China
| | - Wei Sun
- Department of Thyroid Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, 110001, People's Republic of China
| | - Chengzhou Lv
- Department of Thyroid Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, 110001, People's Republic of China
| | - Jiapeng Huang
- Department of Thyroid Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, 110001, People's Republic of China
| | - Hao Zhang
- Department of Thyroid Surgery, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, 110001, People's Republic of China
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Jafari SH, Rabiei N, Taghizadieh M, Mirazimi SMA, Kowsari H, Farzin MA, Razaghi Bahabadi Z, Rezaei S, Mohammadi AH, Alirezaei Z, Dashti F, Nejati M. Joint application of biochemical markers and imaging techniques in the accurate and early detection of glioblastoma. Pathol Res Pract 2021; 224:153528. [PMID: 34171601 DOI: 10.1016/j.prp.2021.153528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 06/09/2021] [Accepted: 06/14/2021] [Indexed: 11/28/2022]
Abstract
Glioblastoma is a primary brain tumor with the most metastatic effect in adults. Despite the wide range of multidimensional treatments, tumor heterogeneity is one of the main causes of tumor spread and gives great complexity to diagnostic and therapeutic methods. Therefore, featuring noble noninvasive prognostic methods that are focused on glioblastoma heterogeneity is perceived as an urgent need. Imaging neuro-oncological biomarkers including MGMT (O6-methylguanine-DNA methyltransferase) promoter methylation status, tumor grade along with other tumor characteristics and demographic features (e.g., age) are commonly referred to during diagnostic, therapeutic and prognostic processes. Therefore, the use of new noninvasive prognostic methods focused on glioblastoma heterogeneity is considered an urgent need. Some neuronal biomarkers, including the promoter methylation status of the promoter MGMT, the characteristics and grade of the tumor, along with the patient's demographics (such as age and sex) are involved in diagnosis, treatment, and prognosis. Among the wide array of imaging techniques, magnetic resonance imaging combined with the more physiologically detailed technique of H-magnetic resonance spectroscopy can be useful in diagnosing neurological cancer patients. In addition, intracranial tumor qualitative analysis and sometimes tumor biopsies help in accurate diagnosis. This review summarizes the evidence for biochemical biomarkers being a reliable biomarker in the early detection and disease management in GBM. Moreover, we highlight the correlation between Imaging techniques and biochemical biomarkers and ask whether they can be combined.
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Affiliation(s)
- Seyed Hamed Jafari
- Medical Imaging Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Nikta Rabiei
- School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Taghizadieh
- Department of Pathology, School of Medicine, Center for Women's Health Research Zahra, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sayad Mohammad Ali Mirazimi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran; Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Hamed Kowsari
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran; Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Mohammad Amin Farzin
- Department of Laboratory Medicine, School of Allied Medical Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Zahra Razaghi Bahabadi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran; Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Samaneh Rezaei
- Department of Medical Biotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir Hossein Mohammadi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Zahra Alirezaei
- Department of Medical Physics, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran; Paramedical School, Bushehr University of Medical Sciences, Bushehr, Iran.
| | - Fatemeh Dashti
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran; Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran.
| | - Majid Nejati
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran.
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Sun R, Liu W, Zhao Y, Chen H, Wang Z, Zhang Y, Sun X, Cui X. Exosomal circRNA as a novel potential therapeutic target for multiple myeloma-related myocardial damage. Cancer Cell Int 2021; 21:311. [PMID: 34120606 PMCID: PMC8201884 DOI: 10.1186/s12935-021-02011-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 06/05/2021] [Indexed: 12/11/2022] Open
Abstract
Introduction Myocardial damage is a mostly incurable complication of multiple myeloma (MM) that seriously affects the treatment outcome and quality of life of patients. Exosomal circular RNAs (exo-circRNAs) play an important role in tumor occurrence and development and are considered key factors in MM pathogenesis. However, the role and mechanism of action of exo-circRNAs in MM-related myocardial damage are still unclear. This study aimed to investigate correlations between exo-circRNAs and MM and to preliminarily explore the role of exo-circRNAs in MM-related myocardial damage. Methods Six MM patients and five healthy controls (HCs) were included in the study. High-throughput sequencing and qRT-PCR verification were used to obtain a profile of abnormally expressed exo-circRNAs. GO, KEGG, miRanda, TargetScan and Metascape were used for bioinformatics analyses. H9C2 cells treated with exosomes from U266 cells were used in cell experiments. CCK-8, PCR, immunofluorescence and western blotting assays were used to detect cell proliferation and expression of autophagy-related indicators. Electron microscopy was used to observe the number of autophagic vesicles. Results Bioinformatics analysis showed that circRNAs with upregulated expression had the potential to promote MM-related myocardial damage. In addition, PCR results confirmed that circ-G042080 was abundantly expressed in the serum exosomes of 20 MM patients. Correlation analysis showed that the expression level of circ-G042080 was positively correlated with the clinical level of MM and MM-related myocardial damage and that circ-G042080 might interfere with MM-related myocardial damage through a downstream miRNA/TLR4 axis. Cell experiments demonstrated that the circ-G042080/hsa-miR-4268/TLR4 axis might exist in H9C2 cells incubated with exosomes and cause abnormal autophagy. Conclusion Abnormal expression of serum exo-circRNAs was found to be associated with MM-related myocardial damage, suggesting that exo-circRNAs might become a new diagnostic marker of MM-related myocardial damage and a therapeutic target. Supplementary Information The online version contains supplementary material available at 10.1186/s12935-021-02011-w.
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Affiliation(s)
- Runjie Sun
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, 16369 Jingshi Road, Jinan, 250014, China
| | - Wei Liu
- College of Nursing, Shandong University of Traditional Chinese Medicine, 16369 Jingshi Road, Jinan, 250014, China
| | - Yangang Zhao
- Department of Audit, Shandong University of Traditional Chinese Medicine, 16369 Jingshi Road, Jinan, 250014, China
| | - Haoyu Chen
- Department of Cardiology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, 16369 Jingshi Road, Jinan, 250014, China
| | - Zhenzhen Wang
- Department of Hematology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, 16369 Jingshi Road, Jinan, 250014, China
| | - Yanyu Zhang
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, 16369 Jingshi Road, Jinan, 250014, China
| | - Xiaoqi Sun
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, 16369 Jingshi Road, Jinan, 250014, China
| | - Xing Cui
- Department of Hematology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, 16369 Jingshi Road, Jinan, 250014, China.
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Nazarian H, Novin MG, Khaleghi S, Habibi B. Small non-coding RNAs in embryonic pre-implantation. Curr Mol Med 2021; 22:287-299. [PMID: 34042034 DOI: 10.2174/1566524021666210526162917] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 04/02/2021] [Accepted: 04/03/2021] [Indexed: 11/22/2022]
Abstract
Failure of embryo implantation has been introduced as an important limiting parameter in early assisted reproduction and pregnancy. The embryo-maternal interactions, endometrial receptivity, and detections of implantation consist of the embryo viability. For regulating the implantation, multiple molecules may be consisted, however, their specific regulatory mechanisms still stand unclear. MicroRNAs (miRNAs) have been highly concerned due to their important effect on human embryo implantation. MicroRNA (miRNA), which acts as the transcriptional regulator of gene expression, is consisted in embryo implantation. Scholars determined that miRNAs cannot affect the cells and release by cells in the extracellular environment considering facilitating intercellular communication, multiple packaging forms, and preparing indicative data in the case of pathological and physiological conditions. The detection of extracellular miRNAs provided new information in cases of implantation studies. For embryo-maternal communication, MiRNAs offered novel approaches. In addition, in assisted reproduction, for embryo choice and prediction of endometrial receptivity, they can act as non-invasive biomarkers and can enhance the accuracy in the process of reducing the mechanical damage for the tissue.
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Affiliation(s)
- Hamid Nazarian
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Marefat Ghaffari Novin
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sara Khaleghi
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Bahare Habibi
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Liu D, Fang L. Current research on circular RNAs and their potential clinical implications in breast cancer. Cancer Biol Med 2021; 18:j.issn.2095-3941.2020.0275. [PMID: 34018386 PMCID: PMC8330541 DOI: 10.20892/j.issn.2095-3941.2020.0275] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 11/26/2020] [Indexed: 02/06/2023] Open
Abstract
Breast cancer (BC) is one of the most common cancers and the leading causes of death among women worldwide, and its morbidity rate is growing. Discovery of novel biomarkers is necessary for early BC detection, treatment, and prognostication. Circular RNAs (circRNAs), a novel type of endogenous non-coding RNAs with covalently closed continuous loops, have been found to have a crucial role in tumorigenesis. Studies have demonstrated that circRNAs are aberrantly expressed in the tumor tissues and plasma of patients with BC, and they modulate gene expression affecting the proliferation, metastasis, and chemoresistance of BC by specifically binding and regulating the expression of microRNAs (miRNAs). Therefore, circRNAs can be used as novel potential diagnostic and prognostic markers, and therapeutic targets for BC. This article summarizes the properties, functions, and regulatory mechanisms of circRNAs, particularly current research on their association with BC proliferation, metastasis, and chemoresistance.
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Affiliation(s)
- Diya Liu
- Department of Thyroid and Breast Diseases, Shanghai Tenth People’s Hospital, Shanghai 200070, China
| | - Lin Fang
- Department of Thyroid and Breast Diseases, Shanghai Tenth People’s Hospital, Shanghai 200070, China
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Qi L, Wang W, Zhao G, Jiang H, Zhang Y, Zhao D, Jin H, Yu H, Xu H. Circular RNA circitga7 accelerates glioma progression via miR-34a-5p/VEGFA axis. Aging (Albany NY) 2021; 13:13138-13152. [PMID: 33962397 PMCID: PMC8148479 DOI: 10.18632/aging.202996] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Accepted: 10/08/2020] [Indexed: 12/24/2022]
Abstract
Circular RNAs (circRNAs) are a group of noncoding RNAs derived from back-splicing events. CircRNA is reported to be involved in various tumor progressions, including glioma. Although there are a few reports of circular RNAs participating in gliomas, it is still unclear whether circular RNAs regulate the occurrence of gliomas. In our research, we found that the expression of circITGA7 in glioma tissues and glioma cells increased significantly. Knocking down circITGA7 can significantly inhibit the proliferation of glioma cells and reduce cell metastasis. Through analysis and dual-luciferase report assay, we found that circITGA7 acts as a sponge for miR-34a-5p targeting VEGFA in glioma. Our study showed that circITGA7 regulates the proliferation and metastasis of glioma cell lines (SW1783&U373) by regulating the miR-34a-5p/VEGFA pathway. In conclusion, our study revealed a regulatory loop for the circITGA7/miR-34a-5p/VEGFA axis to regulate glioma development.
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Affiliation(s)
- Ling Qi
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan 511518, Guangdong, China.,Department of Pathophysiology, Jilin Medical University, Jilin 132013, Jilin, China
| | - Weiyao Wang
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan 511518, Guangdong, China.,Department of Pathophysiology, Jilin Medical University, Jilin 132013, Jilin, China
| | - Guifang Zhao
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan 511518, Guangdong, China.,Department of Pathology, Jilin Medical University, Jilin 132013, China
| | - Hong Jiang
- Department of Ophthalmology, China-Japan Union Hospital of Jilin University, Changchun 130033, China
| | - Yu Zhang
- Department of Neurovascular, First Hospital of Jilin University, Changchun 130021, China
| | - Donghai Zhao
- Department of Pathology, Jilin Medical University, Jilin 132013, China
| | - Hong Jin
- Department of Pathology, Jilin Medical University, Jilin 132013, China
| | - Hongquan Yu
- Department of Oncological Neurosurgery, First Hospital of Jilin University, Changchun 130021, China
| | - Haiyang Xu
- Department of Oncological Neurosurgery, First Hospital of Jilin University, Changchun 130021, China
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Wang Y, Miao C, Gao X. TCEB3 is Regulated by Circ-0000212/miR-140-3p Axis to Promote the Progression of Cervical Cancer. Onco Targets Ther 2021; 14:2853-2865. [PMID: 33953570 PMCID: PMC8091597 DOI: 10.2147/ott.s278710] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 04/02/2021] [Indexed: 12/09/2022] Open
Abstract
BACKGROUND Cervical cancer is a common female malignancy, which accounts for a large proportion of cancer-related mortality in the world. Therefore, exploring the mechanisms of cervical cancer progression and seeking new therapeutic targets are extraordinarily needful. The aim of this study was to explore the role of TCEB3 in cervical cancer progression. METHODS TCEB3 expression was detected in cervical cancer tissue and adjacent normal tissues using qRT-PCR and immunohistochemistry analysis. TCEB3 expression was measured in cells using Western blot and qRT-PCR assay. Flow cytometer, CCK-8, colony formation and transwell assays were used to detect cell apoptosis, viability, colony-forming ability and invasion of cervical cancer cells. The expression of Ki-67, MMP-2, and MMP-9 was detected using Western blot. Bioinformatics analysis was used to predict circRNA-miRNA and miRNA-mRNA interactions. RIP and luciferase reporter assay were used to determine the interaction relationship. RESULTS TCEB3 expression was up-regulated in both cervical cancer tissues and cells. Silencing of TCEB3 inhibited cell proliferation and invasion and promoted apoptosis of cervical cancer cells. Additionally, silencing of TCEB3 reduced the protein expression of Ki-67, MMP-2, and MMP-9 of cervical cancer cells. Mechanistically, we identified that TCEB3 was directly targeted gene of miR-140-3p, and circ-0000212 acted as a sponge of miR-140-3p. Moreover, TCEB3 was regulated by circ-0000212/miR-140-3p axis and played a tumor promotive role in cervical cancer. CONCLUSION Silencing of TCEB3 attenuated cell proliferation and invasion and promoted apoptosis of cervical cancer cells, and this effect was regulated by circ-0000212/miR-140-3p axis. Our findings may provide a novel promising target for cervical cancer treatment.
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Affiliation(s)
- Yufeng Wang
- Department of Gynecology, Jinan Second Maternal and Child Health Hospital, Jinan, Shandong, 271199, People’s Republic of China
| | - Chuanhui Miao
- Department of Obstetrics and Gynecology, Shizhong District People’s Hospital, Zaozhuang, Shandong, 277100, People’s Republic of China
| | - Xiang Gao
- Department of Geratology, The First Affiliated Hospital of Weifang Medical University (Weifang People’s Hospital), Weifang, Shandong, 261041, People’s Republic of China
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Geng J, Yang K. circCCND1 Regulates Oxidative Stress and FGF9 to Enhance Chemoresistance of Non-Small Cell Lung Cancer via Sponging miR-187-3p. DNA Cell Biol 2021; 40:675-682. [PMID: 33733860 DOI: 10.1089/dna.2020.6412] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Circular RNAs have been shown to regulate cancer tumorigenesis and drug resistance. Recently, circCCND1 is reported to promote laryngeal squamous cell carcinoma; however, whether circCCND1 is implicated in non-small cell lung cancer (NSCLC) remains unclear. In this research, The Cancer Genome Atlas data of lung adenocarcinoma were analyzed to show gene expression and overall survival. 3-(4,5)-dimethylthiahiazo (-z-y1)-3,5-di- phenytetrazoliumromide assay and cell colony formation assay were utilized to measure cell viability and proliferation of A549 and HCC827. Apoptosis was detected by TdT-mediated dUTP Nick-End Labeling assay. Besides, reverse transcription-quantitative PCR was used to examine gene expression. We observed that circCCND1 was significantly upregulated in lung cancer cells and patients. circCCND1 knockdown attenuated cell proliferation and induced apoptosis under cisplatin treatment. Mechanistically, circCCND1 interacted with miR-187-3p to regulate reactive oxygen species and FGF9 in NSCLC cells. Finally, miR-187-3p was demonstrated to rescue circCCND1 knockdown-modulated chemoresistance of NSCLC cells. In this study, our conclusions facilitate the understanding of NSCLC drug resistance to cisplatin.
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Affiliation(s)
- Jiqun Geng
- Department of Thoracic Surgery, and Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Kaihua Yang
- Department of Radiotherapy, Affiliated Hospital of Jiangnan University, Wuxi, China
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36
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Sun H, Wu Z, Liu M, Yu L, Li J, Zhang J, Ding X, Jin H. CircRNA May Not Be "Circular". Front Genet 2021; 12:633750. [PMID: 33679895 PMCID: PMC7934283 DOI: 10.3389/fgene.2021.633750] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 01/19/2021] [Indexed: 12/17/2022] Open
Abstract
Circular RNA (circRNA) is a novel regulatory non-coding RNA and participates in diverse physiological and pathological processes. However, the structures and molecular mechanisms of circRNAs remain unclear. In this study, taking advantage of openly databases and bioinformatics analysis, we observed lots of internal complementary base-pairing sequences (ICBPS) existed in plenty of circRNAs, especially in extremely long circRNAs (el-circRNAs, > 5,000 nt). The result indicated that circRNA may not be a simple circular structure. In addition, we put forward the hypothesis of “open-close effect” in the transition for specific circRNA from normal state to morbid state. Taken together, our results not only expand the knowledge of circRNAs, but also highlight the potential molecular mechanism of circRNAs.
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Affiliation(s)
- Handong Sun
- Department of Breast Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zijuan Wu
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, China.,Key Laboratory of Hematology of Nanjing Medical University, Nanjing, China.,Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, China
| | - Ming Liu
- Guangzhou Geneseed Biotech Co., Ltd., Guangzhou, China
| | - Liang Yu
- Key Laboratory of Hematology of Nanjing Medical University, Nanjing, China.,Department of Hematology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Jianyong Li
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, China.,Key Laboratory of Hematology of Nanjing Medical University, Nanjing, China.,Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, China
| | - Jinwen Zhang
- Guangzhou Geneseed Biotech Co., Ltd., Guangzhou, China
| | - Xiangming Ding
- Department of Bioinformatics, ATCGene Inc., Guangzhou, China
| | - Hui Jin
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, China.,Key Laboratory of Hematology of Nanjing Medical University, Nanjing, China.,Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, China
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37
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Yu B, Hu J, Li Q, Wang F. CircMAP3K11 Contributes to Proliferation, Apoptosis and Migration of Human Periodontal Ligament Stem Cells in Inflammatory Microenvironment by Regulating TLR4 via miR-511 Sponging. Front Pharmacol 2021; 12:633353. [PMID: 33679417 PMCID: PMC7930627 DOI: 10.3389/fphar.2021.633353] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 01/18/2021] [Indexed: 12/13/2022] Open
Abstract
Growing number of studies regarding the role of circRNAs in the development of various diseases have emerged in recent years, but the role of circRNAs in periodontitis pathogenesis remains obscure. Human periodontal ligament stem cells (hPDLSCs) play a critical role in periodontal remodeling, regeneration and repair processes, and their regenerative capacity could be prohibited in local periodontal inflammatory microenvironment. Herein, we sought to uncover the molecular mechanisms of periodontitis pathogenesis by investigating the role of circMAP3K11 (hsa_circ_002284) for regenerative capacity of hPDLSCs under an inflammatory condition. The hPDLSCs isolated from periodontitis patients were used as a cell model of inflammatory microenvironment to study the effect of the circMAP3K11/miR-511-3p/TLR4 axis on the proliferation, apoptosis and migration of hPDLSCs under inflammatory conditions. Compared to the periodontal tissues from normal subjects, those from periodontitis patients exhibited higher expression levels of circMAP3K11 and TLR4, and lower expression level of miR-511-3p. Both the expressions of circMAP3K11 and TLR4 were negatively correlated with the expressions of miR-511-3p in periodontitis. In vitro studies demonstrated that circMAP3K11 is capable of enhancing hPDLSCs proliferation and migration, and reducing the apoptosis of hPDLSCs. We also found that circMAP3K11 could up-regulate the expression of transcription factors that are closely related to periodontal regeneration (Runx2, OSX, ATF4, and BSP). RT-PCR and western blot showed that the inhibitory role of miR-511-3p on TLR4 expression could be reversed by circMAP3K11, which was in line with the results of bioinformatics tools and luciferase reporter assay. Meanwhile, both in vitro and in vivo studies indicated that circMAP3K11 could reverse the effects of miR-511-3p in periodontitis, which further confirmed that circMAP3K11 functioned as a ‘sponge’ of miR-511-3p to positively regulate the expression of TLR4. Taken together, our study preliminarily uncovered a circMAP3K11/miR-511-3p/TLR4 axis that regulates the function of hPDLSCs in periodontitis, providing novel insight and scientific base in the treatment of periodontal tissue regeneration based on stem cells.
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Affiliation(s)
- Bohan Yu
- Department of Periodontics, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Jiahui Hu
- Department of Periodontics, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Qin Li
- Department of Periodontics, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Fang Wang
- Department of Periodontics, School and Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
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Xiong D, He R, Dang Y, Wu H, Feng Z, Chen G. The Latest Overview of circRNA in the Progression, Diagnosis, Prognosis, Treatment, and Drug Resistance of Hepatocellular Carcinoma. Front Oncol 2021; 10:608257. [PMID: 33680930 PMCID: PMC7928415 DOI: 10.3389/fonc.2020.608257] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Accepted: 12/18/2020] [Indexed: 12/24/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the main causes of tumor-related deaths worldwide. Due to the lack of obvious early symptoms and the lack of sensitive screening indicators in the early stage of HCC, the vast majority of patients are diagnosed with advanced or metastatic HCC, resulting in dissatisfactory treatment result. Therefore, it is urgent to determine effective and sensitive diagnostic and prognostic indicators and to determine new therapeutic targets. Circular RNA (circRNA) is a type of non-coding RNA that has been neglected for a long time. In recent years, it has been proved to play an important role in the development of many human diseases. Increasing evidence shows that change in circRNA expression has an extensive effect on the biological behavior of HCC. In this study, we comprehensively tracked the latest progress of circRNA in the pathogenesis of HCC, and reviewed its role as a biomarker for diagnosis and prognosis prediction in patients with HCC. In addition, we also summarized the potential of circRNA as therapeutic target in HCC and its relationship with HCC drug resistance, providing clues for the clinical development of circRNA-based therapeutic strategies.
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Affiliation(s)
- Dandan Xiong
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Rongquan He
- Department of Medical Oncology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Yiwu Dang
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Huayu Wu
- Department of Cell Biology & Genetics, School of Preclinical Medicine, Guangxi Medical University, Nanning, China
| | - Zhenbo Feng
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Gang Chen
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
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39
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Fang Z, Jiang C, Li S. The Potential Regulatory Roles of Circular RNAs in Tumor Immunology and Immunotherapy. Front Immunol 2021; 11:617583. [PMID: 33613544 PMCID: PMC7886782 DOI: 10.3389/fimmu.2020.617583] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 12/14/2020] [Indexed: 12/13/2022] Open
Abstract
Circular RNAs (circRNAs) are covalently closed RNA molecules in eukaryotes with features of high stability, tissue-specific and cell-specific expression. According to their biogenesis, circRNAs are mainly classified into five types, i.e. exonic circRNAs (EciRNAs), exon-intron circRNAs (EIciRNAs), intronic RNAs (CiRNAs), fusion circRNAs (f-circRNAs), and read-through circRNAs (rt-circRNAs). CircRNAs have been emerging as important non-coding regulatory RNAs in a variety of human cancers. CircRNA4s were revealed to exert regulatory function through multiple mechanisms, such as sponges/decoys of miRNAs and proteins, enhancers of protein functions, protein scaffolds, protein recruitment, or protein translation templates. Furthermore, some circRNAs are intensively associated with immune cells in tumor immune microenvironment (TIME), e.g. circARSP91 and natural killer cells. Through regulating immune checkpoint genes, circRNAs are demonstrated to modulate the immune checkpoint blockade immunotherapy, e.g. circCPA4 could up-regulate PD-L1 expression. In summary, we reviewed the molecular features of circRNAs and mechanisms how they exert functions. We further summarized functional implications of circRNA regulations in tumor immunology and immunotherapy. Further understanding of the regulatory roles of circRNAs in tumor immunology and immunotherapy will benefit tumor treatment.
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Affiliation(s)
- Zhixiao Fang
- Institute of Translational Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chunjie Jiang
- Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Shengli Li
- Institute of Translational Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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40
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Li P, Jia Y, Tang W, Cui Q, Liu M, Jiang J. Roles of Non-coding RNAs in Central Nervous System Axon Regeneration. Front Neurosci 2021; 15:630633. [PMID: 33597844 PMCID: PMC7882506 DOI: 10.3389/fnins.2021.630633] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 01/05/2021] [Indexed: 12/11/2022] Open
Abstract
Axons in the central nervous system often fail to regenerate after injury due to the limited intrinsic regeneration ability of the central nervous system (CNS) and complex extracellular inhibitory factors. Therefore, it is of vital importance to have a better understanding of potential methods to promote the regeneration capability of injured nerves. Evidence has shown that non-coding RNAs play an essential role in nerve regeneration, especially long non-coding RNA (lncRNA), microRNA (miRNA), and circular RNA (circRNA). In this review, we profile their separate roles in axon regeneration after CNS injuries, such as spinal cord injury (SCI) and optic nerve injury. In addition, we also reveal the interactive networks among non-coding RNAs.
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Affiliation(s)
| | | | | | | | | | - Jingjing Jiang
- Department of Anesthesiology, Shengjing Hospital of China Medical University, Shenyang, China
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41
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Zhang C, He J, Qi L, Wan L, Wang W, Tu C, Li Z. Diagnostic and Prognostic Significance of Dysregulated Expression of Circular RNAs in Osteosarcoma. Expert Rev Mol Diagn 2021; 21:235-244. [PMID: 33428501 DOI: 10.1080/14737159.2021.1874922] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
OBJECTIVE This study aimed to perform an updated meta-analysis to explore the clinical, diagnostic, and prognostic values of circRNAs in osteosarcoma. METHODS : PubMed, Web of Science, EMBASE, Scopus, and Cochrane Library were systematically searched up to December 15, 2020. Eligible studies regarding the relationship between circRNAs levels and clinicopathological, diagnostic, and prognostic values in osteosarcoma were included for study. RESULTS 31 studies involving 1979 osteosarcoma patients were enrolled, with 22 studies on clinicopathological parameters, eleven on diagnosis, and 23 on prognosis. For clinical parameters, overexpression of oncogenic circRNAs was intimately correlated with larger tumor size, advanced Enneking stage, poor differentiation, and distant metastasis (DM). In contrast, the downregulated circRNAs showed negative correlation with Enneking stage and DM. For the diagnostic values, the summary area under the curve of circRNA for the discriminative efficacy between osteosarcoma patients and non-cancer counterparts was estimated to be 0.87, with a weighted sensitivity of 0.79, specificity of 0.81, respectively. For the prognostic significance, oncogenic circRNAs had poor overall survival (OS) and disease-free survival, while elevated expression of tumor-suppressor circRNAs were closely related to longer OS. CONCLUSION This study showed that aberrantly expressed circRNA signatures could serve as potential biomarkers in diagnosis and prognosis in osteosarcoma.
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Affiliation(s)
- Chenghao Zhang
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jieyu He
- Department of Geriatrics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lin Qi
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lu Wan
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wanchun Wang
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Chao Tu
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zhihong Li
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
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Tang X, Ren H, Guo M, Qian J, Yang Y, Gu C. Review on circular RNAs and new insights into their roles in cancer. Comput Struct Biotechnol J 2021; 19:910-928. [PMID: 33598105 PMCID: PMC7851342 DOI: 10.1016/j.csbj.2021.01.018] [Citation(s) in RCA: 193] [Impact Index Per Article: 64.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 12/13/2022] Open
Abstract
Circular RNAs (circRNAs) are a very interesting class of conserved single-stranded RNA molecules derived from exonic or intronic sequences by precursor mRNA back-splicing. Unlike canonical linear RNAs, circRNAs form covalently closed, continuous stable loops without a 5'end cap and 3'end poly(A) tail, and therefore are resistant to exonuclease digestion. The majority of circRNAs are highly abundant, and conserved across different species with a tissue or developmental-stage-specific expression. circRNAs have been shown to play important roles as microRNA sponges, regulators of gene splicing and transcription, RNA-binding protein sponges and protein/peptide translators. Emerging evidence reveals that circRNAs function in various human diseases, particularly cancers, and may function as better predictive biomarkers and therapeutic targets for cancer treatment. In consideration of their potential clinical relevance, circRNAs have become a new research hotspot in the field of tumor pathology. In the present study, the current understanding of the biogenesis, characteristics, databases, research methods, biological functions subcellular distribution, epigenetic regulation, extracellular transport and degradation of circRNAs was discussed. In particular, the multiple databases and methods involved in circRNA research were first summarized, and the recent advances in determining the potential roles of circRNAs in tumor growth, migration and invasion, which render circRNAs better predictive biomarkers, were described. Furthermore, future perspectives for the clinical application of circRNAs in the management of patients with cancer were proposed, which could provide new insights into circRNAs in the future.
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Key Words
- AML, acute myloid leukemia
- BSJ, back-splice junction
- Biomarker
- CLL, chronic lymphocytic leukemia
- CML, chronic myeloid leukemia
- CRC, colorectal cancer
- Cancer
- Circular RNAs
- EIciRNAs, exon–intron RNAs
- EMT, epithelial-mesenchymal transition
- Functions
- GC, gastric cancer
- HCC, hepatocellular carcinoma
- ISH, in situ hybridization
- LUAD, lung adenocarcinoma
- MER, miRNA response elements
- MM, multiple myeloma
- NSCLC, non-small cell lung cancer
- PCR, polymerase chain reaction
- PDAC, pancreatic ductal adenocarcinoma
- RBP, RNA-binding protein
- RNA, ribonucleic acid
- RNase, ribonuclease
- RT-PCR, reverse transcription-PCR
- TNM, tumor node metastases
- UTR, untranslated regions
- ccRCC, clear cell renal cell carcinoma
- ceRNAs, endogenous RNAs
- ciRNAs, circular intronic RNAs
- ciRS-7, circular RNA sponge for miR-7
- circRNAs, circular RNAs
- ecircRNAs, exonic circular RNAs
- lncRNAs, long ncRNA
- miRNAs, microRNAs
- ncRNAs, noncoding RNAs
- qPCR, quantitative PCR
- rRNA, ribosomal RNA
- siRNAs, small interfering RNAs
- snRNA, small nuclear RNA
- tricRNAs, tRNA intronic circRNAs
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Affiliation(s)
- Xiaozhu Tang
- The Third Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210001, China
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Hongyan Ren
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Mengjie Guo
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Jinjun Qian
- School of Medicine & Holistic Integrative 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
| | - Chunyan Gu
- The Third Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210001, China
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
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Mester-Tonczar J, Hašimbegović E, Spannbauer A, Traxler D, Kastner N, Zlabinger K, Einzinger P, Pavo N, Goliasch G, Gyöngyösi M. Circular RNAs in Cardiac Regeneration: Cardiac Cell Proliferation, Differentiation, Survival, and Reprogramming. Front Physiol 2020; 11:580465. [PMID: 33117197 PMCID: PMC7550749 DOI: 10.3389/fphys.2020.580465] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 09/02/2020] [Indexed: 12/11/2022] Open
Abstract
Circular RNAs (circRNAs) are classified as long non-coding RNAs (lncRNAs) that are characterized by a covalent closed-loop structure. This closed-loop shape is the result of a backsplicing event in which the 3' and 5' splice sites are ligated. Through the lack of 3' poly(A) tails and 5' cap structures, circRNAs are more stable than linear RNAs because these adjustments make the circular loop less susceptible to exonucleases. The majority of identified circRNAs possess cell- and tissue-specific expression patterns. In addition, high-throughput RNA-sequencing combined with novel bioinformatics algorithms revealed that circRNA sequences are often conserved across different species suggesting a positive evolutionary pressure. Implicated as regulators of protein turnover, micro RNA (miRNA) sponges, or broad effectors in cell differentiation, proliferation, and senescence, research of circRNA has increased in recent years. Particularly in cardiovascular research, circRNA-related discoveries have opened the door for the development of potential diagnostic and therapeutic tools. Increasing evidence links deviating circRNA expression patterns to various cardiovascular diseases including ischemic heart failure. In this mini-review, we summarize the current state of knowledge on circRNAs in cardiac regeneration with a focus on cardiac cell proliferation, differentiation, cardiomyocyte survival, and cardiac reprogramming.
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Affiliation(s)
- Julia Mester-Tonczar
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Ena Hašimbegović
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Andreas Spannbauer
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Denise Traxler
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Nina Kastner
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Katrin Zlabinger
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Patrick Einzinger
- Research Unit of Information and Software Engineering, Institute of Information Systems Engineering, Vienna University of Technology, Vienna, Austria
| | - Noemi Pavo
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Georg Goliasch
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Mariann Gyöngyösi
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
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Wang Q, Liu X, Zhao J, Zhu R. Circular RNAs: novel diagnostic and therapeutic targets for ischemic stroke. Expert Rev Mol Diagn 2020; 20:1039-1049. [PMID: 32954841 DOI: 10.1080/14737159.2020.1826313] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Qianwen Wang
- Department of Neurology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Xu Liu
- Department of Neurology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Jingjing Zhao
- Department of Neurology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Ruixia Zhu
- Department of Neurology, The First Affiliated Hospital of China Medical University, Shenyang, China
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45
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Disease-Associated Circular RNAs: From Biology to Computational Identification. BIOMED RESEARCH INTERNATIONAL 2020; 2020:6798590. [PMID: 32908906 PMCID: PMC7450300 DOI: 10.1155/2020/6798590] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 07/10/2020] [Indexed: 02/07/2023]
Abstract
Circular RNAs (circRNAs) are endogenous RNAs with a covalently closed continuous loop, generated through various backsplicing events of pre-mRNA. An accumulating number of studies have shown that circRNAs are potential biomarkers for major human diseases such as cancer and Alzheimer's disease. Thus, identification and prediction of human disease-associated circRNAs are of significant importance. To this end, a computational analysis-assisted strategy is indispensable to detect, verify, and quantify circRNAs for downstream applications. In this review, we briefly introduce the biology of circRNAs, including the biogenesis, characteristics, and biological functions. In addition, we outline about 30 recent bioinformatic analysis tools that are publicly available for circRNA study. Principles for applying these computational strategies and considerations will be briefly discussed. Lastly, we give a complete survey on more than 20 key computational databases that are frequently used. To our knowledge, this is the most complete and updated summary on publicly available circRNA resources. In conclusion, this review summarizes key aspects of circRNA biology and outlines key computational strategies that will facilitate the genome-wide identification and prediction of circRNAs.
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Zhang JR, Sun HJ. Roles of circular RNAs in diabetic complications: From molecular mechanisms to therapeutic potential. Gene 2020; 763:145066. [PMID: 32827686 DOI: 10.1016/j.gene.2020.145066] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 08/17/2020] [Indexed: 02/06/2023]
Abstract
Diabetes is characterized by changed homeostasis of blood glucose levels, which is associated with various complications, including cardiomyopathy, atherosclerosis, endothelial dysfunction, nephropathy, retinopathy and neuropathy. In recent years, accumulative evidence has demonstrated that circular RNAs are identified as a novel type of noncoding RNAs (ncRNAs) involving in the regulation of various physiological processes and pathologic conditions. Specifically, the emergence of complications response to diabetes is finely controlled by a complex gene regulatory network in which circular RNAs play a critical role. Recently, circular RNAs are emerging as messengers that could influence cellular functions under diabetic conditions. Dysregulation of circular RNAs has been closely linked to the pathophysiology of diabetes-related complications. In this review, we aimed to summarize the current progression and underlying mechanisms of circular RNA in the development of diabetes-related complications. We will also provide an overview of circular RNA-regulated cell communications in different types of cells that have been linked to diabetic complications. We anticipated that the completion of this review will provide potential clues for developing novel circular RNAs-based biomarkers or therapeutic targets for diabetes and its associated complications.
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Affiliation(s)
- Ji-Ru Zhang
- Department of Anesthesiology, Affiliated Hospital of Jiangnan University, Wuxi 214062, PR China
| | - Hai-Jian Sun
- Department of Basic Medicine, Wuxi Medical School, Jiangnan University, Wuxi 214122, PR China; Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore.
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Wang N, Cao QX, Tian J, Ren L, Cheng HL, Yang SQ. Circular RNA MTO1 Inhibits the Proliferation and Invasion of Ovarian Cancer Cells Through the miR-182-5p/KLF15 Axis. Cell Transplant 2020; 29:963689720943613. [PMID: 32731816 PMCID: PMC7563032 DOI: 10.1177/0963689720943613] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Circular RNAs (circRNAs) are a novel class of endogenous noncoding RNAs
and have been shown to play important roles in a variety of
physiological processes. Recently, dysregulation of circRNAs has been
identified in many types of cancers. In this study, we analyzed the
expression profile and biological functions of circMTO1 in ovarian
cancer. We demonstrated that circMTO1 was downregulated in ovarian
cancer tissues and cell lines. Upregulation of circMTO1 inhibited
proliferation and invasion of ovarian cancer cells while
downregulation of circMTO1 promoted these processes. Mechanistically,
we showed that circMTO1 sponged miR-182-5p to support KLF15
expression, eventually leading to inhibition of ovarian cancer
progression. In conclusion, our study suggested circMTO1 as a novel
biomarker and therapeutic target for ovarian cancer treatment.
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Affiliation(s)
- Ning Wang
- Department of Gynecology, Huaihe Hospital of Henan University, Kaifeng, China
- Both the authors contributed equally to this article
| | - Qin-Xue Cao
- Department of Gynecology, Huaihe Hospital of Henan University, Kaifeng, China
- Both the authors contributed equally to this article
| | - Jun Tian
- Department of Gynecology, Huaihe Hospital of Henan University, Kaifeng, China
| | - Lu Ren
- Department of Gynecology, Huaihe Hospital of Henan University, Kaifeng, China
| | - Hai-Ling Cheng
- Department of Gynecology, Huaihe Hospital of Henan University, Kaifeng, China
| | - Shao-Qin Yang
- Department of Gynecology, Huaihe Hospital of Henan University, Kaifeng, China
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Gao Y, Liu J, Huan J, Che F. Downregulation of circular RNA hsa_circ_0000735 boosts prostate cancer sensitivity to docetaxel via sponging miR-7. Cancer Cell Int 2020; 20:334. [PMID: 32714093 PMCID: PMC7376840 DOI: 10.1186/s12935-020-01421-6] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 07/13/2020] [Indexed: 12/14/2022] Open
Abstract
Background One of the main reasons for the failure of prostate cancer (PCa) treatment is the generation of chemoresistance. Circular RNA hsa_circ_0000735 (hsa_circ_0000735) is connected with the progression of cancer. Nevertheless, the role and regulatory mechanism of hsa_circ_0000735 in the resistance of PCa to docetaxel (DTX) are unclear. Methods Expression levels of hsa_circ_0000735 and miR-7-5p (miR-7) in tissue samples and cells were examined via quantitative real-time polymerase chain reaction (qRT-PCR). The DTX sensitivity, viability, colony formation, cell cycle progression, and apoptosis of DTX-resistant PCa cells were determined via Cell Counting Kit-8 (CCK-8), cell colony formation, or flow cytometry assays. The levels of multidrug resistance protein 1 (MDR1) protein, cyclinD1, and B cell lymphoma 2 (bcl-2) were detected by western blotting. The interaction between hsa_circ_0000735 and miR-7 was verified via dual-luciferase reporter, RNA immunoprecipitation (RIP), and RNA pull-down assays. The role of hsa_circ_0000735 in vivo was validated through tumor formation experiments. Results Hsa_circ_0000735 was upregulated and miR-7 was downregulated in DTX-resistant PCa tissues and cells. High hsa_circ_0000735 expression had a shorter overall survival. Both hsa_circ_0000735 knockdown and miR-7 mimic boosted DTX sensitivity, constrained viability, colony formation, cell cycle progression, and fostered apoptosis of DTX-resistant PCa cells. Also, hsa_circ_0000735 silencing elevated DTX sensitivity and repressed tumor growth in PCa in vivo. Mechanistically, hsa_circ_0000735 served as a sponge for miR-7. MiR-7 inhibition overturned hsa_circ_0000735 silencing-mediated impacts on DTX sensitivity and the malignant behaviors of DTX-resistant PCa cells. Conclusion Hsa_circ_0000735 downregulation boosted PCa sensitivity to DTX and reduced tumor growth via sponging miR-7, providing a promising prognostic biomarker and therapeutic target for PCa.
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Affiliation(s)
- Yisheng Gao
- Guangzhou University of Chinese Medicine, Guangzhou, 510006 Guangdong China.,Department of Urology, Linyi People's Hospital, Linyi, 276003 Shandong China
| | - Jie Liu
- Department of Urology, Linyi People's Hospital, Linyi, 276003 Shandong China
| | - Jing Huan
- Guangzhou University of Chinese Medicine, Guangzhou, 510006 Guangdong China.,Department of Acupuncture and Moxibustion, Linyi People's Hospital, Linyi, 276003 Shandong China
| | - Fengyuan Che
- Guangzhou University of Chinese Medicine, Guangzhou, 510006 Guangdong China.,Department of Neurology, Linyi People's Hospital, No. 27, East Section of Jiefang Road, Lanshan District, Linyi, 276003 Shandong China
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Zhang J, Wang H, Wu K, Zhan F, Zeng H. Dysregulated circRNA_100876 contributes to proliferation and metastasis of colorectal cancer by targeting microRNA-516b (miR-516b). Cancer Biol Ther 2020; 21:733-740. [PMID: 32564659 DOI: 10.1080/15384047.2020.1776075] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Colorectal cancer (CRC) is globally one of the most common malignant tumors. Increasing number of studies indicate that circular RNAs (circRNAs) play a significant role in the initiation and progression of CRC. However, the role of circRNA_100876 in CRC progression remains unclear. In this study, we investigated the expression and function of circRNA_100876 in CRC progression. The expression of circRNA_100876 and microRNA-516b (miR-516b) was compared in normal and CRC tissues using quantitative real-time polymerase chain reaction (RT-qPCR). In addition, proliferation, metastasis, and apoptosis of the cells were analyzed using Cell Counting Kit-8 (CCK-8) assay, Transwell assay, and flow cytometry, respectively. The relationship between circRNA_100876 and miR-516b was further verified using dual-luciferase reporter assay. Our data showed that circRNA_100876 was highly expressed in CRC tumor tissues, and the high expression gtransition (EMT)-related proteins. Furthermore, we found that the addition of miR-516b reversed the anti-tumor effect induced by the downregulation of circRNA_100876. In conclusion, this study revealed that circRNA_100876 is overexpressed in CRC tissues and represents a promising therapeutic target for CRC.
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Affiliation(s)
- Jianrong Zhang
- Department of General Surgery, Wuwei People's Hospital , Wuwei, Gansu Province, China
| | - Huaiming Wang
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Gastrointestinal Institute of Gastroenterology, The Sixth Affiliated Hospital of Sun Yat-sen University , Guangzhou, Guangdong, China.,Department of Colorectal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University , Guangzhou, Guangdong Province, China
| | - Ketong Wu
- Department of Interventional Therapy Center, The Six Affiliated Hospital of Sun-Yat-Sen University , Guangzhou, Guangdong, China
| | - Fajie Zhan
- Department of General Surgery, Wuwei People's Hospital , Wuwei, Gansu Province, China
| | - Huan Zeng
- Department of Medical Laboratory, Wuwei Liangzhou Hospital , Wuwei, Gansu Province, China
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Ashrafizadeh M, Najafi M, Makvandi P, Zarrabi A, Farkhondeh T, Samarghandian S. Versatile role of curcumin and its derivatives in lung cancer therapy. J Cell Physiol 2020; 235:9241-9268. [PMID: 32519340 DOI: 10.1002/jcp.29819] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/24/2020] [Accepted: 05/12/2020] [Indexed: 12/24/2022]
Abstract
Lung cancer is a main cause of death all over the world with a high incidence rate. Metastasis into neighboring and distant tissues as well as resistance of cancer cells to chemotherapy demand novel strategies in lung cancer therapy. Curcumin is a naturally occurring nutraceutical compound derived from Curcuma longa (turmeric) that has great pharmacological effects, such as anti-inflammatory, neuroprotective, and antidiabetic. The excellent antitumor activity of curcumin has led to its extensive application in the treatment of various cancers. In the present review, we describe the antitumor activity of curcumin against lung cancer. Curcumin affects different molecular pathways such as vascular endothelial growth factors, nuclear factor-κB (NF-κB), mammalian target of rapamycin, PI3/Akt, microRNAs, and long noncoding RNAs in treatment of lung cancer. Curcumin also can induce autophagy, apoptosis, and cell cycle arrest to reduce the viability and proliferation of lung cancer cells. Notably, curcumin supplementation sensitizes cancer cells to chemotherapy and enhances chemotherapy-mediated apoptosis. Curcumin can elevate the efficacy of radiotherapy in lung cancer therapy by targeting various signaling pathways, such as epidermal growth factor receptor and NF-κB. Curcumin-loaded nanocarriers enhance the bioavailability, cellular uptake, and antitumor activity of curcumin. The aforementioned effects are comprehensively discussed in the current review to further direct studies for applying curcumin in lung cancer therapy.
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Affiliation(s)
- Milad Ashrafizadeh
- Department of Basic Science, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Masoud Najafi
- Radiology and Nuclear Medicine Department, School of Paramedical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Pooyan Makvandi
- Institute for Polymers, Composites and Biomaterials (IPCB), National Research Council (CNR), Naples, Italy
| | - Ali Zarrabi
- Sabanci University Nanotechnology Research and Application Center (SUNUM), Tuzla, Istanbul, Turkey
| | - Tahereh Farkhondeh
- Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Saeed Samarghandian
- Healthy Ageing Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran
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