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Sadhukhan S, Sinha T, Dey S, Panda AC. Subcellular localization of circular RNAs: Where and why. Biochem Biophys Res Commun 2024; 715:149937. [PMID: 38701688 DOI: 10.1016/j.bbrc.2024.149937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 04/02/2024] [Accepted: 04/11/2024] [Indexed: 05/05/2024]
Abstract
Localization of RNAs at specific subcellular locations regulating various local cellular events has gained much attention recently. Like most other classes of RNAs, the function of newly discovered circular RNAs (circRNAs) is predominantly determined by their association with different cellular factors in the cell. CircRNAs function as transcriptional and posttranscriptional regulators of gene expression by interacting with transcription factors, splicing regulators, RNA-binding proteins, and microRNAs or by translating into functional polypeptides. Hence, studying their subcellular localization to assess their function is essential. The discovery of more than a million circRNA and increasing evidence of their involvement in development and diseases require a thorough analysis of their subcellular localization linking to their biological functions. Here, we summarize current knowledge of circRNA localization in cells and extracellular vesicles, factors regulating their subcellular localization, and the implications of circRNA localization on their cellular functions. Given the discovery of many circRNAs in all life forms and their implications in pathophysiology, we discuss the challenges in studying circRNA localization and the opportunities for unlocking the mystery of circRNA functions.
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Affiliation(s)
- Susovan Sadhukhan
- Institute of Life Sciences, Nalco Square, Bhubaneswar, Odisha, India
| | - Tanvi Sinha
- Institute of Life Sciences, Nalco Square, Bhubaneswar, Odisha, India
| | - Suchanda Dey
- Institute of Life Sciences, Nalco Square, Bhubaneswar, Odisha, India
| | - Amaresh C Panda
- Institute of Life Sciences, Nalco Square, Bhubaneswar, Odisha, India.
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2
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Yin J, Wang M, Chen J, Li H, Zhuo J, Lu B, Cai Y. CircZCCHC2 (hsa_circ_0000854) promotes hepatocellular carcinoma progression through modulating miR-936/BTBD7 axis and activating Rho/ROCK2 pathway. Noncoding RNA Res 2024; 9:437-446. [PMID: 38511064 PMCID: PMC10950570 DOI: 10.1016/j.ncrna.2023.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 12/08/2023] [Accepted: 12/22/2023] [Indexed: 03/22/2024] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most aggressive and refractory cancers due to its high propensity to metastasize and the unavailability of efficacious treatments. Circular RNAs (circRNAs) participate in diverse biological activities in human cancers. Here, we detected the upregulation of a novel circRNA, circZCCHC2 (hsa_circ_0000854), in HCC samples and cells. The upregulation indicated an unfavorable prognosis in HCC patients. CircZCCHC2 accelerated cell growth and metastasis in vitro and tumorigenicity in vivo. Mechanistic investigations revealed that circZCCHC2 regulated BTBD7 expression by sponging miR-936. Moreover, the suppression of malignancy caused by circZCCHC2 knockdown could be sufficiently reversed by miR-936 inhibition. Additionally, the suppressed Rho/ROCK2 pathway conferred by circZCCHC2 knockdown could be restored by inhibiting miR-936 expression. Collectively, our findings reveal that circZCCHC2 plays an oncogenic role of in HCC progression by modulating the miR-936/BTBD7/Rho/ROCK2 pathway.
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Affiliation(s)
- Junjie Yin
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hangzhou First People's Hospital, School of medicine, Westlake university, Hangzhou, 310006, China
| | - Mian Wang
- Department of Geriatric, Zhejiang Hospital of Integrated Traditional Chinese and Western Medicine, Hangzhou, 310003, China
| | - Jian Chen
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hangzhou First People's Hospital, School of medicine, Westlake university, Hangzhou, 310006, China
| | - Huigang Li
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hangzhou First People's Hospital, School of medicine, Westlake university, Hangzhou, 310006, China
| | - Jianyong Zhuo
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hangzhou First People's Hospital, School of medicine, Westlake university, Hangzhou, 310006, China
| | - Bei Lu
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hangzhou First People's Hospital, School of medicine, Westlake university, Hangzhou, 310006, China
| | - Yang Cai
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hangzhou First People's Hospital, School of medicine, Westlake university, Hangzhou, 310006, China
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3
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Tao L, Wang J, Wang K, Liu Q, Li H, Xu S, Gu C, Zhu Y. Exerkine FNDC5/irisin-enriched exosomes promote proliferation and inhibit ferroptosis of osteoblasts through interaction with Caveolin-1. Aging Cell 2024:e14181. [PMID: 38689463 DOI: 10.1111/acel.14181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 04/07/2024] [Accepted: 04/10/2024] [Indexed: 05/02/2024] Open
Abstract
Postmenopausal osteoporosis is a prevalent metabolic bone disorder characterized by a decrease in bone mineral density and deterioration of bone microstructure. Despite the high prevalence of this disease, no effective treatment for osteoporosis has been developed. Exercise has long been considered a potent anabolic factor that promotes bone mass via upregulation of myokines secreted by skeletal muscle, exerting long-term osteoprotective effects and few side effects. Irisin was recently identified as a novel myokine that is significantly upregulated by exercise and could increase bone mass. However, the mechanisms underlying exercise-induced muscle-bone crosstalk remain unclear. Here, we identified that polyunsaturated fatty acids (arachidonic acid and docosahexaenoic acid) are increased in skeletal muscles following a 10-week treadmill exercise programme, which then promotes the expression and release of FNDC5/irisin. In osteoblasts, irisin binds directly to Cav1, which recruits and interacts with AMP-activated protein kinase α (AMPKα) to activate the AMPK pathway. Nrf2 is the downstream target of the AMPK pathway and increases the transcription of HMOX1 and Fpn. HMOX1 is involved in regulating the cell cycle and promotes the proliferation of osteoblasts. Moreover, upregulation of Fpn in osteoblasts enhanced iron removal, thereby suppressing ferroptosis in osteoblasts. Additionally, we confirmed that myotube-derived exosomes are involved in the transportation of irisin and enter osteoblasts through caveolae-mediated endocytosis. In conclusion, our findings highlight the crucial role of irisin, present in myotube-derived exosomes, as a crucial regulator of exercise-induced protective effects on bone, which provides novel insights into the mechanisms underlying exercise-dependent treatment of osteoporosis.
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Affiliation(s)
- Lin Tao
- Department of Orthopedics, First Hospital of China Medical University, Shenyang, China
| | - Jinpeng Wang
- Department of Orthopedics, First Hospital of China Medical University, Shenyang, China
| | - Ke Wang
- Department of Orthopedics, First Hospital of China Medical University, Shenyang, China
| | - Qichang Liu
- Department of Orthopedics, First Hospital of China Medical University, Shenyang, China
| | - Hongyang Li
- Department of Orthopedics, First Hospital of China Medical University, Shenyang, China
| | - Site Xu
- Department of Orthopedics, First Hospital of China Medical University, Shenyang, China
| | - Chunjian Gu
- Department of Orthopedics, First Hospital of China Medical University, Shenyang, China
| | - Yue Zhu
- Department of Orthopedics, First Hospital of China Medical University, Shenyang, China
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4
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Zhu L, Lou Y, Xiao Q, Wang L, Chen G, Yang W, Wang T. Establishment and Evaluation of Exosomes-Related Gene Risk Model in Hepatocellular Carcinoma. Biochem Genet 2024; 62:698-717. [PMID: 37405532 PMCID: PMC11031460 DOI: 10.1007/s10528-023-10441-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 06/23/2023] [Indexed: 07/06/2023]
Abstract
Hepatocellular carcinoma (HCC) is a challenging disease to evaluate in terms of prognosis, requiring close attention to the prognosis of HCC patients. Exosomes have been shown to play an important role in HCC development and have significant potential in managing HCC patient prognosis, as they are detectable in patients' blood. By using small extracellular vesicular RNA, liquid biopsies can reflect the underlying physiological and pathological status of the originating cells, providing a valuable assessment of human health. No study has explored the diagnostic value of mRNA expression changes in exosomes for liver cancer. The present study investigated establishing a risk prognosis model based on mRNA expression levels in exosomes from blood samples of liver cancer patients and evaluated its diagnostic and prognostic value, providing new targets for liver cancer detection. We obtained mRNA data from HCC patients and normal controls from the TCGA and exoRBase 2.0 databases and established a risk prognostic assessment model using exosomes-related risk genes selected through prognostic analysis and Lasso Cox analysis. The patients were divided into high-risk and low-risk groups based on median risk score values to validate the independence and evaluability of the risk score. The clinical value of the model was further analyzed using a nomograph model, and the efficacy of immunotherapy and cell-origin types of prognostic risk genes were further assessed in the high- and low-risk groups by immune checkpoint and single-cell sequencing. A total of 44 genes were found to be significantly associated with the prognosis of HCC patients. From this group, we selected six genes (CLEC3B, CYP2C9, GNA14, NQO1, NT5DC2, and S100A9) as exosomal risk genes and used them as a basis for the risk prognosis model. The clinical information of HCC patients from the TCGA and ICGC databases demonstrated that the risk prognostic score of the model established in this study was an independent prognostic factor with good robustness. When pathological stage and risk prognostic score were incorporated into the model to predict clinical outcomes, the nomograph model had the best clinical benefit. Furthermore, immune checkpoint assays and single-cell sequencing analysis suggested that exosomal risk genes were derived from different cell types and that immunotherapy in the high-risk groups could be beneficial. Our study demonstrated that the prognostic scoring model based on exosomal mRNA was highly effective. The six genes selected using the scoring model have been previously reported to be associated with the occurrence and development of liver cancer. However, this study is the first to confirm that these related genes existed in the blood exosomes, which could be used for liquid biopsy of patients with liver cancer, thereby avoiding the need for puncture diagnosis. This approach has a high value in clinical application. Through single-cell sequencing, we found that the six genes in the risk model originate from multiple cell types. This finding suggests that the exosomal characteristic molecules secreted by different types of cells in the microenvironment of liver cancer may serve as diagnostic markers.
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Affiliation(s)
- Lin Zhu
- Key Laboratory of Fertility Preservation and Maintenance, The School of Basic Medicine, The General Hospital, Ningxia Medical University, Yinchuan, Ningxia, China
| | - Yan Lou
- Department of Orthopedic Oncology, Spine Tumor Center, Changzheng Hospital, Naval Military Medical University, Shanghai, China
| | - Qiyu Xiao
- Department of Nuclear Medicine, Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Ling Wang
- Department of Stem Cells and Regenerative Medicine, Center for Translational Medicine, Naval Medical University, Shanghai, China
- Shanghai Key Laboratory of Cell Engineering, Shanghai, China
- Shanghai Institute of Stem Cell Research and Clinical Translation, Shanghai, China
| | - Guodong Chen
- Department of Stem Cells and Regenerative Medicine, Center for Translational Medicine, Naval Medical University, Shanghai, China
| | - Wenjun Yang
- Department of Emergency, The Sixth Medical Center of PLA General Hospital, Beijing, China
| | - Tengjiao Wang
- Department of Precision Medicine, Translational Medicine Research Center, Naval Medical University, Shanghai, China.
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5
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Zhu S, Liao B. Mechanism of hypoxia-induced exosome circ_0051799 regulating the progression of lung adenocarcinoma. Biol Chem 2024; 405:143-160. [PMID: 37161917 DOI: 10.1515/hsz-2023-0108] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 04/05/2023] [Indexed: 05/11/2023]
Abstract
This study attempted to investigate the effect of circ_0051799 on the immune microenvironment of lung adenocarcinoma (LUAD) and the relationship between circ_0051799 and exosomes. The number and morphology of exosomes were verified by nanoparticle tracking, transmission electron microscopy and western blotting. CCK8, EdU, Transwell and flow cytometry were used to verify the regulatory role of exosomes and circ_0051799 on tumor progression. Dual luciferase reporting and RNA immunoprecipitation were used to verify the targeted regulatory relationship between circ_0051799, miR-214-3p and IGF2BP3. WB was used to verify the role of the JAK/STAT pathway in circ_0051799 regulation. Ectopic tumor grafts and in situ models were used to validate in vivo their role in regulating LUAD progression. Hypoxic environment could alter but does not alter its shape. Exosomes can participate in the regulation of macrophage polarization by circ_0051799. In vitro and in vivo assays had shown that circ_0051799 could affect the proliferation and metastasis of LUAD through targeting miR-214-3p mediated IGF2BP3 regulated JAK/STAT pathway. This study found that hypoxia can affect LUAD process by promoting the regulation of macrophage polarization by exosome circ_0051799.
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Affiliation(s)
- Shunping Zhu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of University of South China, Hengyang City 421001, Hunan Province, China
| | - Bihong Liao
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of University of South China, Hengyang City 421001, Hunan Province, China
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Qi Y, Xu R, Song C, Hao M, Gao Y, Xin M, Liu Q, Chen H, Wu X, Sun R, Zhang Y, He D, Dai Y, Kong C, Ning S, Guo Q, Zhang G, Wang P. A comprehensive database of exosome molecular biomarkers and disease-gene associations. Sci Data 2024; 11:210. [PMID: 38360815 PMCID: PMC10869824 DOI: 10.1038/s41597-024-03015-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 01/29/2024] [Indexed: 02/17/2024] Open
Abstract
Exosomes play a crucial role in intercellular communication and can be used as biomarkers for diagnostic and therapeutic clinical applications. However, systematic studies in cancer-associated exosomal nucleic acids remain a big challenge. Here, we developed ExMdb, a comprehensive database of exosomal nucleic acid biomarkers and disease-gene associations curated from published literature and high-throughput datasets. We performed a comprehensive curation of exosome properties including 4,586 experimentally supported gene-disease associations, 13,768 diagnostic and therapeutic biomarkers, and 312,049 nucleic acid subcellular locations. To characterize expression variation of exosomal molecules and identify causal factors of complex diseases, we have also collected 164 high-throughput datasets, including bulk and single-cell RNA sequencing (scRNA-seq) data. Based on these datasets, we performed various bioinformatics and statistical analyses to support our conclusions and advance our knowledge of exosome biology. Collectively, our dataset will serve as an essential resource for investigating the regulatory mechanisms of complex diseases and improving the development of diagnostic and therapeutic biomarkers.
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Affiliation(s)
- Yue Qi
- Department of Gynecology of the First Affiliated Hospital, Harbin Medical University, Harbin, 150081, China
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Rongji Xu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Chengxin Song
- Department of Colorectal Surgery, Harbin Medical University Cancer Hospital, Harbin, 150081, China
| | - Ming Hao
- Department of Gynecology of the First Affiliated Hospital, Harbin Medical University, Harbin, 150081, China
| | - Yue Gao
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Mengyu Xin
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Qian Liu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Hongyan Chen
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Xiaoting Wu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Rui Sun
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Yuanfu Zhang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Danni He
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Yifan Dai
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Congcong Kong
- Department of Gynecology of the First Affiliated Hospital, Harbin Medical University, Harbin, 150081, China
| | - Shangwei Ning
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Qiuyan Guo
- Department of Gynecology of the First Affiliated Hospital, Harbin Medical University, Harbin, 150081, China.
| | - Guangmei Zhang
- Department of Gynecology of the First Affiliated Hospital, Harbin Medical University, Harbin, 150081, China.
| | - Peng Wang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China.
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7
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Wang Q, Du J, Ma R. White adipocyte-derived exosomal miR-23b inhibits thermogenesis by targeting Elf4 to regulate GLP-1R transcription. Naunyn Schmiedebergs Arch Pharmacol 2024:10.1007/s00210-024-02984-1. [PMID: 38334823 DOI: 10.1007/s00210-024-02984-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 01/28/2024] [Indexed: 02/10/2024]
Abstract
Promoting non-trembling thermogenesis of brown adipose tissue (BAT) and browning of white adipose tissue (WAT) helps prevent obesity. MiR-23b is highly expressed in adipose tissue-derived exosomes obtained from obese people, but the role of exosomal miR-23b in regulating thermogenesis and obesity progression remains to be further explored. Here, a mouse obesity model was established through high-fat diet (HFD), and inguinal WAT (iWAT)-derived exosomes and miR-23b antagomir were administered by intraperitoneal injection. The results showed that WAT-derived exosomal miR-23b upregulated body weight and adipocyte hypertrophy and enhanced insulin resistance. Moreover, exosomal miR-23b restrained mtDNA copy number and the expression of genes related to thermogenesis and mitochondrial biogenesis in BAT, and suppressed the expression of WAT browning-related genes under cold stimulation, indicating that exosomal miR-23b hindered non-trembling thermogenesis of BAT and WAT browning. Mechanism studies found that miR-23b targeted Elf4 to inhibit its expression. And Elf4 bound to the GLP-1R promoter region to promote GLP-1R transcription. In addition, silencing miR-23b effectively abolished the inhibitory effect of WAT-derived exosomes on thermogenic gene expression and mitochondrial respiration in adipocytes isolated from BAT and iWAT, which was reversed by GLP-1R knockdown. In conclusion, WAT-derived exosomal miR-23b suppressed thermogenesis by targeting Elf4 to regulate GLP-1R transcription, which contributed to the progression of obesity.
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Affiliation(s)
- Qian Wang
- Functional Experiment Center, Department of Basic Medicine, Xi'an Medical University, Xi'an, 710021, China.
| | - Junkai Du
- Department of Emergency, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Ruili Ma
- Functional Experiment Center, Department of Basic Medicine, Xi'an Medical University, Xi'an, 710021, China
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Li F, Du WW, Li X, Xu J, Wu N, Awan FM, Yang Y, Alashti FA, Wang S, Yang BB. A Novel Circular RNA circITGa9 Predominantly Generated in Human Heart Disease Induces Cardiac Remodeling and Fibrosis. Research (Wash D C) 2024; 7:0303. [PMID: 38323094 PMCID: PMC10845611 DOI: 10.34133/research.0303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 12/27/2023] [Indexed: 02/08/2024]
Abstract
Recent studies have highlighted the pivotal roles of circular RNAs (circRNAs) in cardiovascular diseases. Through high-throughput circRNA sequencing of both normal myocardial tissues and hypertrophic patients, we unveiled 32,034 previously undiscovered circRNAs with distinct cardiac expression patterns. Notably, circITGa9, a circRNA derived from integrin-α9, exhibited substantial up-regulation in cardiac hypertrophy patients. This elevation was validated across extensive sample pools from cardiac patients and donors. In vivo experiments revealed heightened cardiac fibrosis in mice subjected to transverse aortic constriction (TAC) after circITGa9 injection. We identified circITGa9 binding proteins through circRNA precipitation followed by liquid chromatography tandem-mass spectrometry. Furthermore, circRNA pull-down/precipitation assays demonstrated that increased circITGa9 expression facilitated binding with tropomyosin 3 (TPM3). Specific binding sites between circITGa9 and TPM3 were identified through computational algorithms and further validated by site-directed mutagenesis. We further showed that circITGa9 induced actin polymerization, characteristic of tissue fibrosis. Finally, we developed approaches that improved cardiac function and decreased fibrosis by delivering small interfering RNA targeting circITGa9 or blocking oligo inhibiting the interaction of circITGa9 and TPM3 into TAC mice, which is amenable for further preclinical and translational development. We conclude that elevated circITGa9 levels drive cardiac remodeling and fibrosis. By pinpointing circITGa9 as a therapeutic target, we open doors to innovative interventions for mitigating cardiac remodeling and fibrosis.
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Affiliation(s)
- Feiya Li
- Sunnybrook Research Institute and Department of Laboratory Medicine and Pathobiology,
University of Toronto, Toronto, ON, Canada
| | - William W. Du
- Sunnybrook Research Institute and Department of Laboratory Medicine and Pathobiology,
University of Toronto, Toronto, ON, Canada
| | - Xiangmin Li
- Sunnybrook Research Institute and Department of Laboratory Medicine and Pathobiology,
University of Toronto, Toronto, ON, Canada
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Safety and Health, National Health Commission Science and Technology Innovation Platform for Nutrition and Safety of Microbial Food, Institute of Microbiology,
Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Jindong Xu
- Sunnybrook Research Institute and Department of Laboratory Medicine and Pathobiology,
University of Toronto, Toronto, ON, Canada
- Department of Anesthesiology, Guangdong Cardiovascular Institute,
Guangdong Provincial People’s Hospital & Guangdong Academy of Medical Sciences, Guangzhou, Guangdong Province, China
| | - Nan Wu
- Sunnybrook Research Institute and Department of Laboratory Medicine and Pathobiology,
University of Toronto, Toronto, ON, Canada
| | - Faryal Mehwish Awan
- Sunnybrook Research Institute and Department of Laboratory Medicine and Pathobiology,
University of Toronto, Toronto, ON, Canada
- Department of Medical Lab Technology,
The University of Haripur, Haripur, Pakistan
| | - Yang Yang
- Sunnybrook Research Institute and Department of Laboratory Medicine and Pathobiology,
University of Toronto, Toronto, ON, Canada
| | - Fariborz Asghari Alashti
- Sunnybrook Research Institute and Department of Laboratory Medicine and Pathobiology,
University of Toronto, Toronto, ON, Canada
| | - Sheng Wang
- Department of Anesthesiology, Beijing Anzhen Hospital,
Capital Medical University, Beijing, China
| | - Burton B. Yang
- Sunnybrook Research Institute and Department of Laboratory Medicine and Pathobiology,
University of Toronto, Toronto, ON, Canada
- Institute of Medical Sciences,
University of Toronto, Toronto, ON, Canada
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9
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Yuan Z, Xiong B, Liu L, Lu Y, Liu Y, Wang G, Qian Y, Diao B, Tu M. Exosomal circ_0037104 derived from Hu-MSCs inhibits cholangiocarcinoma progression by sponging miR-620 and targeting AFAP1. J Biochem Mol Toxicol 2024; 38:e23656. [PMID: 38348717 DOI: 10.1002/jbt.23656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 12/13/2023] [Accepted: 01/11/2024] [Indexed: 02/15/2024]
Abstract
Exosomes are membrane-enclosed nanovesicles that shuttle active cargoes, such as circular RNAs (circRNAs) and microRNAs (miRNAs), between different cells. Human umbilical cord-derived mesenchymal stem cells (Hu-MSCs) can migrate to tumor sites and exert complex functions throughout tumor progression. In this study, we successfully isolated Hu-MSCs from human umbilical cords based on their surface marker expression. Hu-MSC-derived exosomes significantly reduced the invasion, migration, and proliferation of cholangiocarcinoma (CCA) cells. Furthermore, circ_0037104 was downregulated in CCA and inhibited the proliferation and metastasis of CCA cells. Then, we investigated the effect of Hu-MSC-derived exosomal circ_0037104 on CCA. Circ_0037104 mainly regulates miR-620 and enhances APAF1 expression, inhibiting CCA cell proliferation and metastasis. Overall, Hu-MSC exosomal circ_0037104 contributes to the progression and stemness of CCA cells via miR-620/APAF1. In conclusion, Hu-MSC-derived exosomal circ_0037104 sponges miR-620 directly and negatively targets APAF1 to suppress CCA.
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Affiliation(s)
- Zilin Yuan
- Department of Medical Laboratory Center, General Hospital of Central Theatre Command of People's Liberation Arm, Wuhan, Hubei, China
| | - Ba Xiong
- Oncology Department, Maoming Hospital of Traditional Chinese Medicine, Maoming, Guangdong, China
| | - Lie Liu
- Oncology Department, Maoming Hospital of Traditional Chinese Medicine, Maoming, Guangdong, China
| | - Yifan Lu
- Applied Mathematics, School of Mathematics and Physics, Xi'an Jiaotong-Liverpool University, Suzhou, Jiangsu, China
| | - Yueping Liu
- Department of Medical Laboratory Center, General Hospital of Central Theatre Command of People's Liberation Arm, Wuhan, Hubei, China
| | - Gang Wang
- Department of Medical Laboratory Center, General Hospital of Central Theatre Command of People's Liberation Arm, Wuhan, Hubei, China
| | - Yang Qian
- Department of Medical Laboratory Center, General Hospital of Central Theatre Command of People's Liberation Arm, Wuhan, Hubei, China
| | - Bo Diao
- Department of Medical Laboratory Center, General Hospital of Central Theatre Command of People's Liberation Arm, Wuhan, Hubei, China
| | - Mingzhong Tu
- Oncology Department, Maoming Hospital of Traditional Chinese Medicine, Maoming, Guangdong, China
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10
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Li ZD, Li YL, Lu J, Liang S, Zhang C, Zeng LH. Recent research progress of circular RNAs in hepatocellular carcinoma. Front Oncol 2024; 13:1192386. [PMID: 38322286 PMCID: PMC10844539 DOI: 10.3389/fonc.2023.1192386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 12/18/2023] [Indexed: 02/08/2024] Open
Abstract
Hepatocellular carcinoma (HCC) is an extremely heterogeneous malignant tumor with a high morbidity and mortality. Circular RNAs (circRNAs) are noncoding RNAs with high stability, organ/tissue/cell-specific expression and are conserved across species. Accumulating evidence suggested that circRNAs play crucial roles as microRNA sponges, protein sponges, scaffolds, recruiters and could even polypeptide encoders. Many studies have since revealed that circRNAs were aberrantly expressed in HCC and acted as crucial modulators of HCC carcinogenesis and progression. Furthermore, circRNAs have also been identified as potential diagnostic and prognostic biomarkers for HCC. In this review, we thoroughly outline and evaluate the function of circRNAs in HCC development, with an emphasis on the specific molecular pathways by which they participated in the formation and progression of HCC, and we address their potential for serving as clinical biomarkers in HCC.
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Affiliation(s)
- Zhi-di Li
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, Zhejiang, China
- Department of Pharmacology, Zhejiang University, Hangzhou, Zhejiang, China
| | - Yang-ling Li
- Department of Clinical Pharmacology, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People’s Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jing Lu
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, Zhejiang, China
| | - Shang Liang
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, Zhejiang, China
| | - Chong Zhang
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, Zhejiang, China
| | - Ling-hui Zeng
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, Hangzhou, Zhejiang, China
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11
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Xie C, Hao X, Yuan H, Wang C, Sharif R, Yu H. Crosstalk Between circRNA and Tumor Microenvironment of Hepatocellular Carcinoma: Mechanism, Function and Applications. Onco Targets Ther 2024; 17:7-26. [PMID: 38283733 PMCID: PMC10812140 DOI: 10.2147/ott.s437536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 11/30/2023] [Indexed: 01/30/2024] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most common aggressive tumors in the world. Despite the availability of various treatments, its prognosis remains poor due to the lack of specific diagnostic indicators and the high heterogeneity of HCC cases. CircRNAs are noncoding RNAs with stable and highly specific expression. Extensive research evidence suggests that circRNAs mediate the pathogenesis and progression of HCC through acting as miRNA sponges, protein modulators, and translation templates. Tumor microenvironment (TME) has become a hotspot of immune-related research in recent years due to its effects on metabolism, secretion and immunity of HCC. Accordingly, understanding the role played by circRNAs in TME is important for the study of HCC. This review will discuss the crosstalk between circRNAs and TME in HCC. In addition, we will discuss the current deficiencies and controversies in research on circRNAs and predict future research directions.
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Affiliation(s)
- Chenxi Xie
- Hepatobiliary Center, Department of Hepatobiliary Surgery, People’s Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
| | - Xiaopei Hao
- The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, 450008, People’s Republic of China
| | - Hao Yuan
- Hepatobiliary Center, Department of Hepatobiliary Surgery, People’s Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
| | - Chongyu Wang
- The First Clinical Medical College of Xuzhou Medical University, Xuzhou, People’s Republic of China
| | - Razinah Sharif
- Center for Healthy Ageing & Wellness, Faculty of Health Sciences, University Kebangsaan Malaysia, Kuala Lumpur, 50300, Malaysia
- Biocompatibility Laboratory, Centre for Research and Instrumentation, University Kebangsaan Malaysia, UKM, Bangi, Selangor Darul Ehsan, 43600, Malaysia
| | - Haibo Yu
- Hepatobiliary Center, Department of Hepatobiliary Surgery, People’s Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
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12
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Fattahi M, Alamdari-Palangi V, Rahimi Jaberi K, Ehtiati S, Ojaghi S, Rahimi-Jaberi A, Samavarchi Tehrani S, Dang P, Movahedpour A, Hossein Khatami S. Exosomal long non-coding RNAs in glioblastoma. Clin Chim Acta 2024; 553:117705. [PMID: 38086498 DOI: 10.1016/j.cca.2023.117705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/07/2023] [Accepted: 12/09/2023] [Indexed: 12/17/2023]
Abstract
Glioblastoma multiforme (GBM) is the most prevalent primary tumor found in the central nervous system, accounting for 70% of all adult brain tumors. The median overall survival rate is one year post-diagnosis with treatment, and only four months without treatment. Current GBM diagnostic methods, such as magnetic resonance imaging (MRI), surgery, and brain biopsies, have limitations. These include difficulty distinguishing between tumor recurrence and post-surgical necrotic regions, and operative risks associated with obtaining histological samples through direct surgery or biopsies. Consequently, there is a need for rapid, inexpensive, and minimally invasive techniques for early diagnosis and improved subsequent treatment. Research has shown that tumor-derived exosomes containing various long non-coding RNAs (lncRNAs) play critical regulatory roles in immunomodulation, cancer metastasis, cancer development, and drug resistance in GBM. They regulate genes that enhance cancer growth and progression and alter the expression of several key signaling pathways. Due to the specificity and sensitivity of exosomal lncRNAs, they have the potential to be used as biomarkers for early diagnosis and prognosis, as well as to monitor a patient's response to chemotherapy for GBM. In this review, we discuss the role of exosomal lncRNAs in the pathogenesis of GBM and their potential clinical applications for early diagnosis.
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Affiliation(s)
- Mehdi Fattahi
- Institute of Research and Development, Duy Tan University, Da Nang, Viet Nam; School of Engineering & Technology, Duy Tan University, Da Nang, Viet Nam
| | - Vahab Alamdari-Palangi
- Department of Molecular Medicine, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Khojaste Rahimi Jaberi
- Department of Neuroscience, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sajad Ehtiati
- Department of Clinical Biochemistry, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sara Ojaghi
- Department of Clinical Biochemistry, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abbas Rahimi-Jaberi
- Department of Neurology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran; Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sadra Samavarchi Tehrani
- Endocrine Research Center, Institute of Endocrinology and Metabolism, Iran University of Medical Science, Tehran, Iran
| | - Phuyen Dang
- Institute of Research and Development, Duy Tan University, Da Nang, Viet Nam; School of Engineering & Technology, Duy Tan University, Da Nang, Viet Nam
| | | | - Seyyed Hossein Khatami
- Department of Clinical Biochemistry, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Zeng Q, Liu CH, Ampuero J, Wu D, Jiang W, Zhou L, Li H, Bai L, Romero-Gómez M, Tang H. Circular RNAs in non-alcoholic fatty liver disease: Functions and clinical significance. RNA Biol 2024; 21:1-15. [PMID: 38113132 PMCID: PMC10761141 DOI: 10.1080/15476286.2023.2290769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/11/2023] [Indexed: 12/21/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD), which affects approximately 25% of the global population, is an urgent health issue leading to various metabolic comorbidities. Circular RNAs (circRNAs), covalently closed RNA molecules, are characterized by ubiquity, diversity, stability, and conservatism. Indeed, they participate in various biological processes via distinct mechanisms that could modify the natural history of NAFLD. In this review, we briefly introduce the biogenesis, characteristics, and biological functions of circRNAs. Furthermore, we summarize circRNAs expression profiles in NAFLD by intersecting seven sequencing data sets and describe the cellular roles of circRNAs and their potential advantages as biomarkers of NAFLD. In addition, we emphatically discuss the exosomal non-coding RNA sorting mechanisms and possible functions in recipient cells. Finally, we extensively discuss the potential application of targeting disease-related circRNAs and competing endogenous RNA networks through gain-of-function and loss-of-function approaches in targeted therapy of NAFLD.
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Affiliation(s)
- Qingmin Zeng
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
| | - Chang-Hai Liu
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
| | - Javier Ampuero
- Digestive Diseases Unit, Virgen del Rocío University Hospital. SeLiver group at Institute of Biomedicine of Seville (IBIS: HUVRocío/CSIC/US). University of Seville, Seville, Spain
| | - Dongbo Wu
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Disease, West China Hospital, Sichuan University, Chengdu, China
| | - Wei Jiang
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Disease, West China Hospital, Sichuan University, Chengdu, China
| | - Lingyun Zhou
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Disease, West China Hospital, Sichuan University, Chengdu, China
| | - Hong Li
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Disease, West China Hospital, Sichuan University, Chengdu, China
| | - Lang Bai
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Disease, West China Hospital, Sichuan University, Chengdu, China
| | - Manuel Romero-Gómez
- Digestive Diseases Unit, Virgen del Rocío University Hospital. SeLiver group at Institute of Biomedicine of Seville (IBIS: HUVRocío/CSIC/US). University of Seville, Seville, Spain
| | - Hong Tang
- Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
- Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Disease, West China Hospital, Sichuan University, Chengdu, China
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Wang L, Wu X, Ruan Y, Zhang X, Zhou X. Exosome-transmitted hsa_circ_0012634 suppresses pancreatic ductal adenocarcinoma progression through regulating miR-147b/HIPK2 axis. Cancer Biol Ther 2023; 24:2218514. [PMID: 37326330 PMCID: PMC10281470 DOI: 10.1080/15384047.2023.2218514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 02/08/2023] [Accepted: 05/22/2023] [Indexed: 06/17/2023] Open
Abstract
Circular RNA (circRNA) has been confirmed to play a vital role in pancreatic ductal adenocarcinoma (PDAC) progression. However, the function and regulatory mechanism of hsa_circ_0012634 in PDAC progression remain unclear. Quantitative real-time PCR was used to measure the expression of hsa_circ_0012634, microRNA (miR)-147b and homeodomain interacting protein kinase 2 (HIPK2). Cell function was assessed by cell counting kit 8 assay, EdU assay, colony formation assay and flow cytometry. Glucose uptake and lactate production were evaluated to determine cell glycolysis ability. Protein expression was examined by western blot analysis. RNA interaction was confirmed by RNA pull-down assay and dual-luciferase reporter assay. Exosomes were isolated from serums and cell culture supernatant using ultracentrifugation and identified by transmission electron microscopy. Animal experiments were conducted using nude mice. Hsa_circ_0012634 was downregulated in PDAC tissues and cells, and its overexpression suppressed PDAC cell proliferation, glycolysis and enhanced apoptosis. MiR-147b was targeted by hsa_circ_0012634, and its inhibitors repressed PDAC cell growth and glycolysis. HIPK2 could be targeted by miR-147b, and hsa_circ_0012634 regulated miR-147b/HIPK2 to suppress PDAC cell progression. Hsa_circ_0012634 was lowly expressed in serum exosomes of PDAC patients. Exosomal hsa_circ_0012634 inhibited PDAC cell growth and glycolysis in vitro, as well as tumorigenesis in vivo. Exosomal hsa_circ_0012634 restrained PDAC progression via the miR-147b/HIPK2 pathway, confirming that hsa_circ_0012634 might serve as a diagnosis and treatment biomarker for PDAC.
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Affiliation(s)
- Luoluo Wang
- Department of Abdominal Minimally Invasive Surgery, Ningbo Medical Centre Lihuili Hospital, Ningbo University, Ningbo, Zhejiang, China
| | - Xiang Wu
- Department of Abdominal Minimally Invasive Surgery, Ningbo Medical Centre Lihuili Hospital, Ningbo University, Ningbo, Zhejiang, China
- Health Science Center, Ningbo University, Ningbo, Zhejiang, China
| | - Yi Ruan
- Department of Abdominal Minimally Invasive Surgery, Ningbo Medical Centre Lihuili Hospital, Ningbo University, Ningbo, Zhejiang, China
| | - Xueming Zhang
- Department of Abdominal Minimally Invasive Surgery, Ningbo Medical Centre Lihuili Hospital, Ningbo University, Ningbo, Zhejiang, China
| | - Xinhua Zhou
- Department of Abdominal Minimally Invasive Surgery, Ningbo Medical Centre Lihuili Hospital, Ningbo University, Ningbo, Zhejiang, China
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Yu Q, Zhang Y, Tian Y, Peng A, Cui X, Ding B, Yang L, Liu Y, Ju Y, Gao C. Exosomal Circ_FMN2 Derived from the Serum of Colorectal Cancer Patients Promotes Cancer Progression by miR-338-3p/MSI1 Axis. Appl Biochem Biotechnol 2023; 195:7322-7337. [PMID: 36995659 DOI: 10.1007/s12010-023-04456-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/15/2023] [Indexed: 03/31/2023]
Abstract
BACKGROUND Colorectal cancer (CRC) is a common malignancy of the gastrointestinal tract with high incidence and mortality. Exosomal circular RNA (circRNA) has been shown to be associated with the malignant progression of cancers, including CRC. Circ_0005100 (named as circ_FMN2) has been shown to promote CRC cell proliferation and migration. However, whether exosomal circ_FMN2 participated in CRC progression remains unclear. METHODS Exosomes were isolated from the serum of CRC patients and then identified using transmission electron microscope. Western blot assay was used to test the protein levels of exosome markers, proliferation-related marker, metastasis-related markers and musashi-1 (MSI1). The expression levels of circ_FMN2, microRNA (miR)-338-3p and MSI1 were detected by qPCR. Flow cytometry, colony formation assay, MTT assay, and transwell assay were employed to measure cell cycle, apoptosis, colony formation ability, viability, migration and invasion. Dual-luciferase reporter assay was performed to assess the interaction between miR-338-3p and circ_FMN2 or MSI1. BALB/c nude mice was used to conduct animal experiments. RESULTS Circ_FMN2 was overexpressed in the exosomes of CRC patient's serums and CRC cells. Overexpressed exosomal circ_FMN2 could promote CRC cell proliferation, metastasis, and suppress apoptosis. Circ_FMN2 acted as miR-338-3p sponge. MiR-338-3p overexpression reversed the promotion effect of circ_FMN2 on CRC progression. MSI1 was found to be a target of miR-338-3p, and its overexpression revoked the inhibitory effect of miR-338-3p on CRC progression. Furthermore, exosomal circ_FMN2 overexpression also could facilitate CRC tumor growth in vivo. CONCLUSION Exosomal circ_FMN2 accelerated CRC progression through miR-338-3p/MSI1 axis, revealing that exosomal circ_FMN2 might be a target for CRC treatment.
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Affiliation(s)
- Qiyao Yu
- Department of Research, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yi Zhang
- Department of Physiology, Hebei Medical University, Shijiazhuang, 050011, Hebei Province, China
| | - Yanming Tian
- Department of Physiology, Hebei Medical University, Shijiazhuang, 050011, Hebei Province, China
| | - Ale Peng
- Department of Radiation Oncology, The Fourth Hospital of Hebei Medical University, No. 12, Jian Kang Road, Shijiazhuang, 050011, Hebei Province, China
| | - Xiujing Cui
- Department of Radiation Oncology, The Fourth Hospital of Hebei Medical University, No. 12, Jian Kang Road, Shijiazhuang, 050011, Hebei Province, China
| | - Boyue Ding
- Department of Radiation Oncology, The Fourth Hospital of Hebei Medical University, No. 12, Jian Kang Road, Shijiazhuang, 050011, Hebei Province, China
| | - Lei Yang
- Department of Radiation Oncology, The Fourth Hospital of Hebei Medical University, No. 12, Jian Kang Road, Shijiazhuang, 050011, Hebei Province, China
| | - Yabin Liu
- Department of Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yingchao Ju
- Department of experimental animal center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Chao Gao
- Department of Radiation Oncology, The Fourth Hospital of Hebei Medical University, No. 12, Jian Kang Road, Shijiazhuang, 050011, Hebei Province, China.
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Lai Z, Wei T, Li Q, Wang X, Zhang Y, Zhang S. Exosomal circFBLIM1 Promotes Hepatocellular Carcinoma Progression and Glycolysis by Regulating the miR-338/LRP6 Axis. Cancer Biother Radiopharm 2023; 38:674-683. [PMID: 32907351 DOI: 10.1089/cbr.2020.3564] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Background: Hepatocellular carcinoma (HCC) is the most common form of liver cancer. Circular RNAs (circRNAs) play a vital role in cancer development and progression. This study investigated the role and potential mechanism of circRNA filamin binding LIM protein 1 (circFBLIM1) in HCC. Methods: Exosomes were identified by transmission electron microscopy (TEM), nanoparticle tracking analysis (NTA), and Western blot assay. The levels of circFBLIM1, miR-338, and low-density lipoprotein receptor-related protein 6 (LRP6) were measured by quantitative real-time polymerase chain reaction or Western blot. Glycolysis was analyzed by detecting glucose consumption, lactate production, ATP level, extracellular acidification rate (ECAR), and oxygen consumption rate (OCR). Cell viability was evaluated by 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) assay. Cell apoptosis was detected by flow cytometry. Xenograft assay was performed to analyze tumor growth in vivo. The interaction among circFBLIM1, miR-338, and LRP6 was confirmed by dual-luciferase reporter assay and RNA immunoprecipitation (RIP) assay. This study was approved by the Institutional Review Board of the First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine. Results: CircFBLIM1 was highly expressed in HCC serum exosomes and HCC cells. Inhibition of circFBLIM1 confined HCC glycolysis and progression. CircFBLIM1 knockdown blocked tumorigenesis in vivo. CircFBLIM1 was a sponge of miR-338 and promoted HCC progression and glycolysis by regulating miR-338. Moreover, miR-338 suppressed HCC progression and glycolysis via targeting LRP6. Mechanistically, circFBLIM1 functioned as an miR-338 sponge to upregulate LRP6. Conclusion: CircFBLIM1 facilitated HCC progression and glycolysis via modulating the miR-338/LRP6 axis, which may provide promising therapeutic targets for HCC.
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Affiliation(s)
- Zhiwen Lai
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang City, China
| | - Tianning Wei
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang City, China
| | - Qingming Li
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang City, China
| | - Xianglong Wang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang City, China
| | - Yang Zhang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang City, China
| | - Shengliang Zhang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang City, China
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Ying H, Zhang B, Cao G, Wang Y, Zhang X. Role for ubiquitin-specific protease 7 (USP7) in the treatment and the immune response to hepatocellular carcinoma: potential mechanisms. Transl Cancer Res 2023; 12:3016-3033. [PMID: 38130306 PMCID: PMC10731377 DOI: 10.21037/tcr-23-153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 09/19/2023] [Indexed: 12/23/2023]
Abstract
Background Ubiquitin-specific protease 7 (USP7) is a deubiquitinating enzyme that can affect or regulate a variety of cellular activities. The purpose of this study was to investigate therapeutic and immunologic effects of USP7 in hepatocellular carcinoma (HCC), and as well to evaluate potential mechanisms of action. Methods USP7-related gene expression and clinical data were obtained from The Cancer Genome Atlas (TCGA) dataset, International Cancer Genome Consortium (ICGC) dataset, and Gene Expression Omnibus (GEO) dataset. Pathways associated with USP7 were determined by gene set enrichment analysis (GSEA). The relationships among USP7, immunity, and drug therapy were also investigated and potential mechanisms of action were explored. Results TCGA database results demonstrated USP7 mRNA expression levels to be upregulated in HCC tissues. Results were validated with UALCAN, ICGC, and GSE10143 datasets, as well as immunohistochemistry and reverse transcription-polymerase chain reaction (RT-PCR) experiments and were consistent with TCGA database findings (all P<0.05). GSEA analysis demonstrated increased USP7 levels to be associated with CHEMOKINE, Janus kinase/signal transducer and activator of transcription (JAK-STAT), mitogen-activated protein kinase (MAPK), P53, vascular endothelial growth factor (VEGF), and wingless (WNT) signaling pathways. Based on immune correlation analysis, USP7 was dramatically associated with immune cells and immune checkpoint molecules. In terms of drug therapy, USP7 expression levels were significantly related to HCC sensitivity to ciclosporin, talazoparib, dabrafenib, trametinib, paclitaxel, sorafenib, bortezomib, sunitinib, and crizotinib. Based on these results, we mechanistically propose an association between USP7 and these four drug targets: B-Raf proto-oncogene serine/threonine protein kinase (BRAF), mitogen-activated extracellular signal-regulated kinase (MEK), DNA topoisomerase I (TOPOI), and poly ADP-ribose polymerase (PARP). Conclusions USP7 plays a therapeutic and immunological role in HCC. The four drug targets BRAF, MEK, TOPOI, and PARP are implicated in the USP7 mechanism of action.
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Affiliation(s)
- Huiwen Ying
- Department of Infectious Diseases, Affiliated Hospital of Nantong University, Nantong, China
- Department of Infectious Diseases, Xuancheng People’s Hospital, Xuancheng, China
| | - Bin Zhang
- Department of Infectious Diseases, Affiliated Hospital of Nantong University, Nantong, China
| | - Guilian Cao
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong, China
| | - Yunan Wang
- Department of Rheumatism and Immunology, Affiliated Hospital of Nantong University, Nantong, China
| | - Xian Zhang
- Department of Infectious Diseases, Affiliated Hospital of Nantong University, Nantong, China
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Abaza T, El-Aziz MKA, Daniel KA, Karousi P, Papatsirou M, Fahmy SA, Hamdy NM, Kontos CK, Youness RA. Emerging Role of Circular RNAs in Hepatocellular Carcinoma Immunotherapy. Int J Mol Sci 2023; 24:16484. [PMID: 38003674 PMCID: PMC10671287 DOI: 10.3390/ijms242216484] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/13/2023] [Accepted: 11/15/2023] [Indexed: 11/26/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is a highly fatal malignancy with limited therapeutic options and high recurrence rates. Recently, immunotherapeutic agents such as immune checkpoint inhibitors (ICIs) have emerged as a new paradigm shift in oncology. ICIs, such as programmed cell death protein 1 (PD-1) inhibitors, have provided a new source of hope for patients with advanced HCC. Yet, the eligibility criteria of HCC patients for ICIs are still a missing piece in the puzzle. Circular RNAs (circRNAs) have recently emerged as a new class of non-coding RNAs that play a fundamental role in cancer pathogenesis. Structurally, circRNAs are resistant to exonucleolytic degradation and have a longer half-life than their linear counterparts. Functionally, circRNAs possess the capability to influence various facets of the tumor microenvironment, especially at the HCC tumor-immune synapse. Notably, circRNAs have been observed to control the expression of immune checkpoint molecules within tumor cells, potentially impeding the therapeutic effectiveness of ICIs. Therefore, this renders them potential cancer-immune biomarkers for diagnosis, prognosis, and therapeutic regimen determinants. In this review, the authors shed light on the structure and functional roles of circRNAs and, most importantly, highlight the promising roles of circRNAs in HCC immunomodulation and their potential as promising biomarkers and immunotherapeutic regimen determinants.
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Affiliation(s)
- Tasneem Abaza
- Biology and Biochemistry Department, Molecular Genetics Research Team (MGRT), Faculty of Biotechnology, German International University (GIU), Cairo 11835, Egypt; (T.A.); (M.K.A.E.-A.); (K.A.D.)
- Biotechnology and Biomolecular Chemistry Program, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Mostafa K. Abd El-Aziz
- Biology and Biochemistry Department, Molecular Genetics Research Team (MGRT), Faculty of Biotechnology, German International University (GIU), Cairo 11835, Egypt; (T.A.); (M.K.A.E.-A.); (K.A.D.)
- Biochemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71631, Egypt
| | - Kerolos Ashraf Daniel
- Biology and Biochemistry Department, Molecular Genetics Research Team (MGRT), Faculty of Biotechnology, German International University (GIU), Cairo 11835, Egypt; (T.A.); (M.K.A.E.-A.); (K.A.D.)
- Biology and Biochemistry Department, Molecular Genetics Research Team (MGRT), School of Life and Medical Sciences, University of Hertfordshire Hosted by Global Academic Foundation, Cairo 11835, Egypt
| | - Paraskevi Karousi
- Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens, 15701 Athens, Greece; (P.K.); (M.P.)
| | - Maria Papatsirou
- Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens, 15701 Athens, Greece; (P.K.); (M.P.)
| | - Sherif Ashraf Fahmy
- Department of Chemistry, School of Life and Medical Sciences, University of Hertfordshire Hosted by Global Academic Foundation, R5 New Garden City, New Capital, Cairo 11835, Egypt;
| | - Nadia M. Hamdy
- Biochemistry Department, Faculty of Pharmacy, Ain Shams University, Cairo 11566, Egypt;
| | - Christos K. Kontos
- Department of Biochemistry and Molecular Biology, Faculty of Biology, National and Kapodistrian University of Athens, 15701 Athens, Greece; (P.K.); (M.P.)
| | - Rana A. Youness
- Biology and Biochemistry Department, Molecular Genetics Research Team (MGRT), Faculty of Biotechnology, German International University (GIU), Cairo 11835, Egypt; (T.A.); (M.K.A.E.-A.); (K.A.D.)
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Weidle UH, Nopora A. Hepatocellular Carcinoma: Up-regulated Circular RNAs Which Mediate Efficacy in Preclinical In Vivo Models. Cancer Genomics Proteomics 2023; 20:500-521. [PMID: 37889063 PMCID: PMC10614070 DOI: 10.21873/cgp.20401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/22/2023] [Accepted: 08/30/2023] [Indexed: 10/28/2023] Open
Abstract
Hepatocellular carcinoma (HCC) ranges as number two with respect to the incidence of tumors and is associated with a dismal prognosis. The therapeutic efficacy of approved multi-tyrosine kinase inhibitors and checkpoint inhibitors is modest. Therefore, the identification of new therapeutic targets and entities is of paramount importance. We searched the literature for up-regulated circular RNAs (circRNAs) which mediate efficacy in preclinical in vivo models of HCC. Our search resulted in 14 circRNAs which up-regulate plasma membrane transmembrane receptors, while 5 circRNAs induced secreted proteins. Two circRNAs facilitated replication of Hepatitis B or C viruses. Three circRNAs up-regulated high mobility group proteins. Six circRNAs regulated components of the ubiquitin system. Seven circRNAs induced GTPases of the family of ras-associated binding proteins (RABs). Three circRNAs induced redox-related proteins, eight of them up-regulated metabolic enzymes and nine circRNAs induced signaling-related proteins. The identified circRNAs up-regulate the corresponding targets by sponging microRNAs. Identified circRNAs and their targets have to be validated by standard criteria of preclinical drug development. Identified targets can potentially be inhibited by small molecules or antibody-based moieties and circRNAs can be inhibited by small-interfering RNAs (siRNAs) or short hairpin RNAs (shRNAs) for therapeutic purposes.
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Affiliation(s)
- Ulrich H Weidle
- Roche Pharma Research and Early Development, Roche Innovation Center Munich, Penzberg, Germany
| | - Adam Nopora
- Roche Pharma Research and Early Development, Roche Innovation Center Munich, Penzberg, Germany
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20
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Srinivas AN, Suresh D, Kaur S, Kumar DP. The promise of small particles: extracellular vesicles as biomarkers in liver pathology. J Physiol 2023; 601:4953-4971. [PMID: 35708653 DOI: 10.1113/jp283074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 06/07/2022] [Indexed: 11/09/2022] Open
Abstract
Extracellular vesicles (EVs) are nanoscopic packages that are heterogeneous and bona fide players in hepatic physiology and pathology as they are involved in intercellular communication. EVs carrying bioactive cargoes rich in lipids, proteins or nucleic acids are implicated in the onset and progression of liver diseases. Liver pathology using liver biopsy has been assessed for several intricate conditions such as viral hepatitis, alcoholic and non-alcoholic fatty liver disease, hepatic malignancies and drug-induced liver injury. The lacunae, however, lie in early diagnosis and timely treatment of the above conditions, underscoring the need for non-invasive, accurate diagnostic tools that could replace the gold standard method of tissue biopsy. In this regard, EVs have emerged as promising candidates that could serve as potential biomarkers. In the last two decades, EVs, owing to their multifaceted charm in bringing out cell-free therapeutic responses and the ability of their cargoes to be applied to novel biomarkers, have drawn the great attention of researchers with the advancement and clinical application of liquid biopsy. In this review, we recapitulate the role of EVs and provide insights into the promising role of these small packages as biomarkers in liver pathology.
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Affiliation(s)
- Akshatha N Srinivas
- Department of Biochemistry, CEMR, JSS Medical College, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
| | - Diwakar Suresh
- Department of Biochemistry, CEMR, JSS Medical College, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
| | - Savneet Kaur
- Department of Molecular and Cellular Medicine, Institute of Liver and Biliary Sciences (ILBS), New Delhi, India
| | - Divya P Kumar
- Department of Biochemistry, CEMR, JSS Medical College, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India
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21
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Zhu KG, Yang J, Zhu Y, Zhu Q, Pan W, Deng S, He Y, Zuo D, Wang P, Han Y, Zhang HY. The microprotein encoded by exosomal lncAKR1C2 promotes gastric cancer lymph node metastasis by regulating fatty acid metabolism. Cell Death Dis 2023; 14:708. [PMID: 37903800 PMCID: PMC10616111 DOI: 10.1038/s41419-023-06220-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 10/11/2023] [Accepted: 10/16/2023] [Indexed: 11/01/2023]
Abstract
Lymph node metastasis (LNM) is the prominent route of gastric cancer dissemination, and usually leads to tumor progression and a dismal prognosis of gastric cancer. Although exosomal lncRNAs have been reported to be involved in tumor development, whether secreted lncRNAs can encode peptides in recipient cells remains unknown. Here, we identified an exosomal lncRNA (lncAKR1C2) that was clinically correlated with lymph node metastasis in gastric cancer in a VEGFC-independent manner. Exo-lncAKR1C2 secreted from gastric cancer cells was demonstrated to enhance tube formation and migration of lymphatic endothelial cells, and facilitate lymphangiogenesis and lymphatic metastasis in vivo. By comparing the metabolic characteristics of LN metastases and primary focuses, we found that LN metastases of gastric cancer displayed higher lipid metabolic activity. Moreover, exo-lncAKR1C2 encodes a microprotein (pep-AKR1C2) in lymphatic endothelial cells and promotes CPT1A expression by regulating YAP phosphorylation, leading to enhanced fatty acid oxidation (FAO) and ATP production. These findings highlight a novel mechanism of LNM and suggest that the microprotein encoded by exosomal lncAKR1C2 serves as a therapeutic target for advanced gastric cancer.
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Affiliation(s)
- Ke-Gan Zhu
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University, Tianjin, 300060, China
| | - Jiayu Yang
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University, Tianjin, 300060, China
| | - Yuehong Zhu
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University, Tianjin, 300060, China
| | - Qihang Zhu
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University, Tianjin, 300060, China
| | - Wen Pan
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University, Tianjin, 300060, China
| | - Siyu Deng
- Department of Pathology, College of Basic Medicine, Chongqing Medical University, Chongqing, 400016, China
| | - Yi He
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University, Tianjin, 300060, China
| | - Duo Zuo
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University, Tianjin, 300060, China
| | - Peiyun Wang
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University, Tianjin, 300060, China
| | - Yueting Han
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University, Tianjin, 300060, China
| | - Hai-Yang Zhang
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University, Tianjin, 300060, China.
- Department of Pathology, College of Basic Medicine, Chongqing Medical University, Chongqing, 400016, China.
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22
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Wang HC, Yin WX, Jiang M, Han JY, Kuai XW, Sun R, Sun YF, Ji JL. Function and biomedical implications of exosomal microRNAs delivered by parenchymal and nonparenchymal cells in hepatocellular carcinoma. World J Gastroenterol 2023; 29:5435-5451. [PMID: 37900996 PMCID: PMC10600808 DOI: 10.3748/wjg.v29.i39.5435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 08/13/2023] [Accepted: 10/16/2023] [Indexed: 10/19/2023] Open
Abstract
Small extracellular vesicles (exosomes) are important components of the tumor microenvironment. They are small membrane-bound vesicles derived from almost all cell types and play an important role in intercellular communication. Exosomes transmit biological molecules obtained from parent cells, such as proteins, lipids, and nucleic acids, and are involved in cancer development. MicroRNAs (miRNAs), the most abundant contents in exosomes, are selectively packaged into exosomes to carry out their biological functions. Recent studies have revealed that exosome-delivered miRNAs play crucial roles in the tumorigenesis, progression, and drug resistance of hepatocellular carcinoma (HCC). In addition, exosomes have great industrial prospects in the diagnosis, treatment, and prognosis of patients with HCC. This review summarized the composition and function of exosomal miRNAs of different cell origins in HCC and highlighted the association between exosomal miRNAs from stromal cells and immune cells in the tumor microenvironment and the progression of HCC. Finally, we described the potential applicability of exosomal miRNAs derived from mesenchymal stem cells in the treatment of HCC.
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Affiliation(s)
- Hai-Chen Wang
- Department of Pathology, Medical School of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Wen-Xuan Yin
- Department of Pathology, Medical School of Nantong University, Nantong 226001, Jiangsu Province, China
| | - Meng Jiang
- Department of Pathology, Medical School of Nantong University, Nantong 226001, Jiangsu Province, China
- Key Laboratory of Microenvironment and Translational Cancer Research, Science and Technology Bureau of Nantong City, Nantong 226001, Jiangsu Province, China
| | - Jia-Yi Han
- Department of Pathology, Medical School of Nantong University, Nantong 226001, Jiangsu Province, China
- Key Laboratory of Microenvironment and Translational Cancer Research, Science and Technology Bureau of Nantong City, Nantong 226001, Jiangsu Province, China
| | - Xing-Wang Kuai
- Department of Pathology, Medical School of Nantong University, Nantong 226001, Jiangsu Province, China
- Key Laboratory of Microenvironment and Translational Cancer Research, Science and Technology Bureau of Nantong City, Nantong 226001, Jiangsu Province, China
| | - Rui Sun
- Department of Pathology, Medical School of Nantong University, Nantong 226001, Jiangsu Province, China
- Key Laboratory of Microenvironment and Translational Cancer Research, Science and Technology Bureau of Nantong City, Nantong 226001, Jiangsu Province, China
| | - Yu-Feng Sun
- Department of Pathology, Medical School of Nantong University, Nantong 226001, Jiangsu Province, China
- Key Laboratory of Microenvironment and Translational Cancer Research, Science and Technology Bureau of Nantong City, Nantong 226001, Jiangsu Province, China
| | - Ju-Ling Ji
- Department of Pathology, Medical School of Nantong University, Nantong 226001, Jiangsu Province, China
- Key Laboratory of Microenvironment and Translational Cancer Research, Science and Technology Bureau of Nantong City, Nantong 226001, Jiangsu Province, China
- Department of Pathology, The Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, China
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23
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Luo Y, Zhu Q, Xiang S, Wang Q, Li J, Chen X, Yan W, Feng J, Zu X. Downregulated circPOKE promotes breast cancer metastasis through activation of the USP10-Snail axis. Oncogene 2023; 42:3236-3251. [PMID: 37717099 DOI: 10.1038/s41388-023-02823-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 08/22/2023] [Accepted: 08/24/2023] [Indexed: 09/18/2023]
Abstract
Breast cancer (BC) is the most commonly diagnosed cancer and the leading cause of cancer-related death among females. Metastasis accounts for the majority of BC related deaths. One feasible strategy to solve this challenging problem is to disrupt the capabilities required for tumor metastasis. Herein, we verified a novel metastasis suppressive circRNA, circPOKE in BC. circPOKE was downregulated in primary and metastatic BC tissues and overexpression of circPOKE inhibited the metastatic potential but not the proliferative ability of BC cells in vitro and in vivo. Mechanistically, circPOKE competitively binds to USP10, and reduces its binding to Snail, a key transcriptional regulator of EMT, thereby inhibiting Snail stability via the protein-ubiquitination degradation pathway. In addition, we found that circPOKE could be secreted into the extracellular space via exosomes and that exosome-carried circPOKE significantly inhibited the invasive capabilities of BC cells in vitro and in vivo. Furthermore, the levels of circPOKE, USP10 and Snail are clinically relevant in BC, suggesting that circPOKE may be used as a potential therapeutic target for patients with BC metastasis.
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Affiliation(s)
- Yan Luo
- Cancer Research Institute, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, PR China
| | - Qingyun Zhu
- Cancer Research Institute, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, PR China
| | - Shasha Xiang
- Cancer Research Institute, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, PR China
| | - Qi Wang
- Cancer Research Institute, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, PR China
| | - Jun Li
- Cancer Research Institute, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, PR China
| | - Xiguang Chen
- Cancer Research Institute, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, PR China
| | - Wen Yan
- Cancer Research Institute, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, PR China
| | - Jianbo Feng
- Cancer Research Institute, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, PR China.
| | - Xuyu Zu
- Cancer Research Institute, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, PR China.
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24
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Hu S, Hu Y, Yan W. Extracellular vesicle-mediated interorgan communication in metabolic diseases. Trends Endocrinol Metab 2023; 34:571-582. [PMID: 37394346 DOI: 10.1016/j.tem.2023.06.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 06/06/2023] [Accepted: 06/09/2023] [Indexed: 07/04/2023]
Abstract
The body partially maintains metabolic homeostasis through interorgan communication between metabolic organs under physiological conditions. This crosstalk is known to be mediated by hormones or metabolites, and has recently been expanding to include extracellular vesicles (EVs). EVs participate in interorgan communication under physiological and pathological conditions by encapsulating various bioactive cargoes, including proteins, metabolites, and nucleic acids. In this review we summarize the latest findings about the metabolic regulation of EV biogenesis, secretion, and components, and highlight the biological role of EV cargoes in interorgan communication in cancer, obesity, diabetes, and cardiovascular disease. We also discuss the potential application of EVs as diagnostic markers, and corresponding therapeutic strategies by EV engineering for both early detection and treatment of metabolic disorders.
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Affiliation(s)
- Sheng Hu
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, TaiKang Center for Life and Medical Sciences, Wuhan University, Wuhan, Hubei, China
| | - Yong Hu
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Wei Yan
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, TaiKang Center for Life and Medical Sciences, Wuhan University, Wuhan, Hubei, China.
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25
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Yi Q, Yue J, Liu Y, Shi H, Sun W, Feng J, Sun W. Recent advances of exosomal circRNAs in cancer and their potential clinical applications. J Transl Med 2023; 21:516. [PMID: 37525158 PMCID: PMC10388565 DOI: 10.1186/s12967-023-04348-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 07/11/2023] [Indexed: 08/02/2023] Open
Abstract
Circular RNA (circRNA) is a type of non-coding RNA that forms a covalently closed, uninterrupted loop. The expression of circRNA differs among cell types and tissues, and various circRNAs are aberrantly expressed in a variety of diseases, including cancer. Aberrantly expressed circRNAs contribute to disease progression by acting as microRNA sponges, functional protein sponges, or novel templates for protein translation. Recent studies have shown that circRNAs are enriched in exosomes. Exosomes are spherical bilayer vesicles released by cells into extracellular spaces that mediate intercellular communication by delivering cargoes. These cargoes include metabolites, proteins, lipids, and RNA molecules. Exosome-mediated cell-cell or cell-microenvironment communications influence the progression of carcinogenesis by regulating cell proliferation, angiogenesis, metastasis as well as immune escape. In this review, we summarize the current knowledge about exosomal circRNAs in cancers and discuss their specific functions in tumorigenesis. Additionally, we discuss the potential value of exosomal circRNAs as diagnostic biomarkers and the potential applications of exosomal circRNA-based cancer therapy.
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Affiliation(s)
- Qian Yi
- Department of Physiology, School of Basic Medical Science, Southwest Medical University, Luzhou, 646000, China
| | - Jiaji Yue
- Department of Bone Joint and Bone Oncology, Shenzhen Second People's Hospital, Shenzhen, 518035, Guangdong, China
| | - Yang Liu
- Department of Bone Joint and Bone Oncology, Shenzhen Second People's Hospital, Shenzhen, 518035, Guangdong, China
| | - Houyin Shi
- Department of Anesthesiology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Wei Sun
- Department of Bone Joint and Bone Oncology, Shenzhen Second People's Hospital, Shenzhen, 518035, Guangdong, China
| | - Jianguo Feng
- Department of Anesthesiology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China.
| | - Weichao Sun
- Department of Bone Joint and Bone Oncology, Shenzhen Second People's Hospital, Shenzhen, 518035, Guangdong, China.
- The Central Laboratory, Shenzhen Second People's Hospital, Shenzhen, 518035, Guangdong, China.
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26
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Ye F, Liang Y, Wang Y, Le Yang R, Luo D, Li Y, Jin Y, Han D, Chen B, Zhao W, Wang L, Chen X, Ma T, Kong X, Yang Q. Cancer-associated fibroblasts facilitate breast cancer progression through exosomal circTBPL1-mediated intercellular communication. Cell Death Dis 2023; 14:471. [PMID: 37495592 PMCID: PMC10372047 DOI: 10.1038/s41419-023-05986-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 07/11/2023] [Accepted: 07/12/2023] [Indexed: 07/28/2023]
Abstract
Breast cancer is the major common malignancy worldwide among women. Previous studies reported that cancer-associated fibroblasts (CAFs) showed pivotal roles in regulating tumor progression via exosome-mediated cellular communication. However, the detailed mechanism underlying the exosomal circRNA from CAFs in breast cancer progression remains ambiguous. Here, exosomal circRNA profiling of breast cancer-derived CAFs and normal fibroblasts (NFs) was detected by high-throughput sequencing, and upregulated circTBPL1 expression was identified in CAF exosomes. The exosomal circTBPL1 from CAFs could be transferred to breast cancer cells and promoted cell proliferation, migration, and invasion. Consistently, circTBPL1 knockdown in CAFs attenuated their tumor-promoting ability. Further exploration identified miR-653-5p as an inhibitory target of circTBPL1, and ectopic expression of miR-653-5p could partially reverse the malignant phenotypes induced by circTBPL1 overexpression in breast cancer. Additionally, TPBG was selected as a downstream target gene, and circTBPL1 could protect TPBG from miR-653-5p-mediated degradation, leading to enhanced breast cancer progression. Significantly, the accelerated tumor progression triggered by exosomal circTBPL1 from CAFs was confirmed in xenograft models. Taken together, these results revealed that exosomal circTBPL1 derived from CAFs contributed to cancer progression via miR-653-5p/TPBG pathway, indicating the potential of exosomal circTBPL1 as a biomarker and novel therapeutic target for breast cancer.
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Affiliation(s)
- Fangzhou Ye
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, 250012, Jinan, Shandong, P. R. China
| | - Yiran Liang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, 250012, Jinan, Shandong, P. R. China
| | - Yajie Wang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, 250012, Jinan, Shandong, P. R. China
| | - Robert Le Yang
- Shandong Experimental High School, 250001, Jinan, Shandong, P. R. China
| | - Dan Luo
- Pathology Tissue Bank, Qilu Hospital of Shandong University, 250012, Jinan, Shandong, P. R. China
| | - Yaming Li
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, 250012, Jinan, Shandong, P. R. China
| | - Yuhan Jin
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, 250012, Jinan, Shandong, P. R. China
| | - Dianwen Han
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, 250012, Jinan, Shandong, P. R. China
| | - Bing Chen
- Pathology Tissue Bank, Qilu Hospital of Shandong University, 250012, Jinan, Shandong, P. R. China
| | - Wenjing Zhao
- Pathology Tissue Bank, Qilu Hospital of Shandong University, 250012, Jinan, Shandong, P. R. China
| | - Lijuan Wang
- Pathology Tissue Bank, Qilu Hospital of Shandong University, 250012, Jinan, Shandong, P. R. China
| | - Xi Chen
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, 250012, Jinan, Shandong, P. R. China
| | - Tingting Ma
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, 250012, Jinan, Shandong, P. R. China
| | - Xiaoli Kong
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, 250012, Jinan, Shandong, P. R. China
| | - Qifeng Yang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, 250012, Jinan, Shandong, P. R. China.
- Pathology Tissue Bank, Qilu Hospital of Shandong University, 250012, Jinan, Shandong, P. R. China.
- Research Institute of Breast Cancer, Shandong University, 250012, Jinan, Shandong, P. R. China.
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27
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Miao S, Zhang Q. Circulating circRNA: a social butterfly in tumors. Front Oncol 2023; 13:1203696. [PMID: 37546422 PMCID: PMC10401440 DOI: 10.3389/fonc.2023.1203696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 06/20/2023] [Indexed: 08/08/2023] Open
Abstract
Circular RNAs (circRNAs) are a class of single-stranded non-coding RNAs that form circular structures through irregular splicing or post-splicing events. CircRNAs are abnormally expressed in many cancers and regulate the occurrence and development of tumors. Circulating circRNAs are cell-free circRNAs present in peripheral blood, they are considered promising biomarkers due to their high stability. In recent years, more and more studies have revealed that circulating circRNAs participate in various cellular communication and regulate the occurrence and development of tumors, which involve many pathological processes such as tumorigenesis, tumor-related immunity, tumor angiogenesis, and tumor metastasis. Understanding the role of cell communication mediated by circulating circRNAs in tumor will further reveal the value and significance behind their use as biomarkers and potential therapeutic targets. In this review, we summarize the recent findings and provide an overview of the cell-cell communication mediated by circulating circRNAs, aiming to explore the role and application value of circulating circRNAs in tumors.
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Affiliation(s)
- Shuo Miao
- Department of Urology, Affiliated Hospital of Qingdao University, Qingdao, China
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Qingsong Zhang
- Department of Urology, Affiliated Hospital of Qingdao University, Qingdao, China
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28
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Wang Z, Kim SY, Tu W, Kim J, Xu A, Yang YM, Matsuda M, Reolizo L, Tsuchiya T, Billet S, Gangi A, Noureddin M, Falk BA, Kim S, Fan W, Tighiouart M, You S, Lewis MS, Pandol SJ, Di Vizio D, Merchant A, Posadas EM, Bhowmick NA, Lu SC, Seki E. Extracellular vesicles in fatty liver promote a metastatic tumor microenvironment. Cell Metab 2023; 35:1209-1226.e13. [PMID: 37172577 PMCID: PMC10524732 DOI: 10.1016/j.cmet.2023.04.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 02/20/2023] [Accepted: 04/13/2023] [Indexed: 05/15/2023]
Abstract
Liver metastasis is a major cause of death in patients with colorectal cancer (CRC). Fatty liver promotes liver metastasis, but the underlying mechanism remains unclear. We demonstrated that hepatocyte-derived extracellular vesicles (EVs) in fatty liver enhanced the progression of CRC liver metastasis by promoting oncogenic Yes-associated protein (YAP) signaling and an immunosuppressive microenvironment. Fatty liver upregulated Rab27a expression, which facilitated EV production from hepatocytes. In the liver, these EVs transferred YAP signaling-regulating microRNAs to cancer cells to augment YAP activity by suppressing LATS2. Increased YAP activity in CRC liver metastasis with fatty liver promoted cancer cell growth and an immunosuppressive microenvironment by M2 macrophage infiltration through CYR61 production. Patients with CRC liver metastasis and fatty liver had elevated nuclear YAP expression, CYR61 expression, and M2 macrophage infiltration. Our data indicate that fatty liver-induced EV-microRNAs, YAP signaling, and an immunosuppressive microenvironment promote the growth of CRC liver metastasis.
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Affiliation(s)
- Zhijun Wang
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - So Yeon Kim
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Wei Tu
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Division of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030 China
| | - Jieun Kim
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Alexander Xu
- Division of Hematology and Oncology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Yoon Mee Yang
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Department of Pharmacy, Kangwon National University, Chuncheon 24341, South Korea
| | - Michitaka Matsuda
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Lien Reolizo
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Takashi Tsuchiya
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Sandrine Billet
- Division of Hematology and Oncology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Alexandra Gangi
- Department of Surgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Mazen Noureddin
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Houston Methodist Hospital, Houston Research Institute, Houston, TX 77030, USA
| | - Ben A Falk
- Division of Hematology and Oncology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Sungjin Kim
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Wei Fan
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Mourad Tighiouart
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Sungyong You
- Department of Surgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Michael S Lewis
- Division of Hematology and Oncology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Department of Pathology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Department of Pathology, Veterans Affairs Greater Los Angeles Health Care System, Los Angeles, CA 90073, USA
| | - Stephen J Pandol
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Dolores Di Vizio
- Department of Surgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Akil Merchant
- Division of Hematology and Oncology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Edwin M Posadas
- Division of Hematology and Oncology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Neil A Bhowmick
- Division of Hematology and Oncology, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Shelly C Lu
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Ekihiro Seki
- Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA.
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Rao G, Peng X, Tian Y, Fu X, Zhang Y. Circular RNAs in hepatocellular carcinoma: biogenesis, function, and pathology. Front Genet 2023; 14:1106665. [PMID: 37485335 PMCID: PMC10361733 DOI: 10.3389/fgene.2023.1106665] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 06/16/2023] [Indexed: 07/25/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most common causes of cancer-related death worldwide. Both genetic and environmental factors through a multitude of underlying molecular mechanisms participate in the pathogenesis of HCC. Recently, numerous studies have shown that circular RNAs (circRNAs), an emerging class of non-coding RNAs characterized by the presence of covalent bonds linking 3' and 5' ends, play an important role in the initiation and progression of cancers, including HCC. In this review, we outline the current status of the field of circRNAs, with an emphasis on the functions and mechanisms of circRNAs in HCC and its microenvironment. We also summarize and discuss recent advances of circRNAs as biomarkers and therapeutic targets. These efforts are anticipated to throw new insights into future perspectives about circRNAs in basic, translational and clinical research, eventually advancing the diagnosis, prevention and treatment of HCC.
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Affiliation(s)
- Guocheng Rao
- Department of Endocrinology and Metabolism, Cancer Center West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Department of Endocrinology and Metabolism, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan, China
| | - Xi Peng
- Department of Endocrinology and Metabolism, Cancer Center West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Department of Endocrinology and Metabolism, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan, China
| | - Yan Tian
- Department of Endocrinology and Metabolism, Cancer Center West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xianghui Fu
- Department of Endocrinology and Metabolism, Cancer Center West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Department of Endocrinology and Metabolism, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan, China
| | - Yuwei Zhang
- Department of Endocrinology and Metabolism, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan, China
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Tian W, Liu Y, Zhang W, Nie R, Ling Y, Zhang B, Zhang H, Wu C. CircDOCK7 facilitates the proliferation and adipogenic differentiation of chicken abdominal preadipocytes through the gga-miR-301b-3p/ACSL1 axis. J Anim Sci Biotechnol 2023; 14:91. [PMID: 37408086 DOI: 10.1186/s40104-023-00891-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 05/07/2023] [Indexed: 07/07/2023] Open
Abstract
BACKGROUND Abdominal fat deposition depends on both the proliferation of preadipocytes and their maturation into adipocytes, which is a well-orchestrated multistep process involving many regulatory molecules. Circular RNAs (circRNAs) have emergingly been implicated in mammalian adipogenesis. However, circRNA-mediated regulation in chicken adipogenesis remains unclear. Our previous circRNA sequencing data identified a differentially expressed novel circRNA, 8:27,886,180|27,889,657, during the adipogenic differentiation of chicken abdominal preadipocytes. This study aimed to investigate the regulatory role of circDOCK7 in the proliferation and adipogenic differentiation of chicken abdominal preadipocytes, and explore its molecular mechanisms of competing endogenous RNA underlying chicken adipogenesis. RESULTS Our results showed that 8:27,886,180|27,889,657 is an exonic circRNA derived from the head-to-tail splicing of exons 19-22 of the dedicator of cytokinesis 7 (DOCK7) gene, abbreviated as circDOCK7. CircDOCK7 is mainly distributed in the cytoplasm of chicken abdominal preadipocytes and is stable because of its RNase R resistance and longer half-life. CircDOCK7 is significantly upregulated in the abdominal fat tissues of fat chickens compared to lean chickens, and its expression gradually increases during the proliferation and adipogenic differentiation of chicken abdominal preadipocytes. Functionally, the gain- and loss-of-function experiments showed that circDOCK7 promoted proliferation, G0/G1- to S-phase progression, and glucose uptake capacity of chicken abdominal preadipocytes, in parallel with adipogenic differentiation characterized by remarkably increased intracellular lipid droplet accumulation and triglyceride and acetyl coenzyme A content in differentiated chicken abdominal preadipocytes. Mechanistically, a pull-down assay and a dual-luciferase reporter assay confirmed that circDOCK7 interacted with gga-miR-301b-3p, which was identified as an inhibitor of chicken abdominal adipogenesis. Moreover, the ACSL1 gene was demonstrated to be a direct target of gga-miR-301b-3p. Chicken ACSL1 protein is localized in the endoplasmic reticulum and mitochondria of chicken abdominal preadipocytes and acts as an adipogenesis accelerator. Rescue experiments showed that circDOCK7 could counteract the inhibitory effects of gga-miR-301b-3p on ACSL1 mRNA abundance as well as the proliferation and adipogenic differentiation of chicken abdominal preadipocytes. CONCLUSIONS CircDOCK7 serves as a miRNA sponge that directly sequesters gga-miR-301b-3p away from the ACSL1 gene, thus augmenting adipogenesis in chickens. These findings may elucidate a new regulatory mechanism underlying abdominal fat deposition in chickens.
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Affiliation(s)
- Weihua Tian
- National Engineering Laboratory for Animal Breeding, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Ye Liu
- National Engineering Laboratory for Animal Breeding, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Wenhui Zhang
- National Engineering Laboratory for Animal Breeding, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Ruixue Nie
- National Engineering Laboratory for Animal Breeding, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Yao Ling
- National Engineering Laboratory for Animal Breeding, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Bo Zhang
- National Engineering Laboratory for Animal Breeding, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Hao Zhang
- National Engineering Laboratory for Animal Breeding, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China.
| | - Changxin Wu
- National Engineering Laboratory for Animal Breeding, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
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Zhu H, Zhang P, Shi J, Kou D, Bai X. Exosome-delivered circRPS5 inhibits the progression of melanoma via regulating the miR-151a/NPTX1 axis. PLoS One 2023; 18:e0287347. [PMID: 37384727 PMCID: PMC10310028 DOI: 10.1371/journal.pone.0287347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 06/04/2023] [Indexed: 07/01/2023] Open
Abstract
BACKGROUND Circular RNAs (circRNAs) have been reported to exert critical functions in tumorigenesis and development. However, the underlying mechanism by which circRNAs regulate melanoma progression remain to be elucidated. METHODS The differentially expressed circRNAs were first identified by circRNA-seq, and circRNAs were validated via qRT-PCR and Sanger sequencing. Then, the impact of circRPS5, miR-151a and NPTX1 expression on the progression of melanoma cell were determined by gain- and loss-of-function assays. The relationship between circRPS5, miR-151a, and NPTX1 was predicted by StarBase website and authenticated by luciferase reporter assay. The melanoma cells-derived exosomes were characterized using nanoparticle tracking analysis (NTA) and western blot. RESULTS CircRPS5 was significantly downregulated in melanoma tissues and cell lines. Functionally, circRPS5 suppressed the proliferation, migration, and invasion of melanoma cells, and induced cell cycle arrest and apoptosis in vitro. Mechanistically, circRPS5 harbor miR-151a, acting as miRNA sponge, and then miR-151a targeted the 3'-UTR of NPTX1. Finally, circRPS5 was mainly incorporated into exosomes to inhibit the progression of melanoma cells. CONCLUSIONS This finding reveal circRPS5 suppressed the progression of melanoma through miR-151a/NPTX1 pathway, and may provide a promising therapeutic strategies for melanoma.
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Affiliation(s)
- Haijun Zhu
- Department of Plastic Surgery, The Central Hospital of Wuhan, Tong ji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Pan Zhang
- Department of Plastic Surgery, The Central Hospital of Wuhan, Tong ji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jia Shi
- Department of Plastic Surgery, The Central Hospital of Wuhan, Tong ji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Deqiang Kou
- Department of Plastic Surgery, The Central Hospital of Wuhan, Tong ji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xinping Bai
- Department of Plastic Surgery, The Central Hospital of Wuhan, Tong ji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Zhang F, Jiang J, Qian H, Yan Y, Xu W. Exosomal circRNA: emerging insights into cancer progression and clinical application potential. J Hematol Oncol 2023; 16:67. [PMID: 37365670 DOI: 10.1186/s13045-023-01452-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 05/10/2023] [Indexed: 06/28/2023] Open
Abstract
Exosomal circRNA serves a novel genetic information molecule, facilitating communication between tumor cells and microenvironmental cells, such as immune cells, fibroblasts, and other components, thereby regulating critical aspects of cancer progression including immune escape, tumor angiogenesis, metabolism, drug resistance, proliferation and metastasis. Interestingly, microenvironment cells have new findings in influencing tumor progression and immune escape mediated by the release of exosomal circRNA. Given the intrinsic stability, abundance, and broad distribution of exosomal circRNAs, they represent excellent diagnostic and prognostic biomarkers for liquid biopsy. Moreover, artificially synthesized circRNAs may open up new possibilities for cancer therapy, potentially bolstered by nanoparticles or plant exosome delivery strategies. In this review, we summarize the functions and underlying mechanisms of tumor cell and non-tumor cell-derived exosomal circRNAs in cancer progression, with a special focus on their roles in tumor immunity and metabolism. Finally, we examine the potential application of exosomal circRNAs as diagnostic biomarkers and therapeutic targets, highlighting their promise for clinical use.
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Affiliation(s)
- Fan Zhang
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, 279 Jingang Road, Zhangjiagang, Suzhou, 215600, Jiangsu, People's Republic of China
- Zhenjiang Key Laboratory of High Technology Research on sEVs Foundation and Transformation Application, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, People's Republic of China
| | - Jiajia Jiang
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, 279 Jingang Road, Zhangjiagang, Suzhou, 215600, Jiangsu, People's Republic of China
- Zhenjiang Key Laboratory of High Technology Research on sEVs Foundation and Transformation Application, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, People's Republic of China
| | - Hui Qian
- Zhenjiang Key Laboratory of High Technology Research on sEVs Foundation and Transformation Application, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, People's Republic of China
| | - Yongmin Yan
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, 279 Jingang Road, Zhangjiagang, Suzhou, 215600, Jiangsu, People's Republic of China.
- Department of Laboratory Medicine, Wujin Hospital Affiliated with Jiangsu University, No. 2 North Yongning Road, Changzhou, 213017, Jiangsu, People's Republic of China.
| | - Wenrong Xu
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, 279 Jingang Road, Zhangjiagang, Suzhou, 215600, Jiangsu, People's Republic of China.
- Zhenjiang Key Laboratory of High Technology Research on sEVs Foundation and Transformation Application, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, Jiangsu, People's Republic of China.
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Ru W, Zhang S, Liu J, Liu W, Huang B, Chen H. Non-Coding RNAs and Adipogenesis. Int J Mol Sci 2023; 24:9978. [PMID: 37373126 DOI: 10.3390/ijms24129978] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 05/26/2023] [Accepted: 05/31/2023] [Indexed: 06/29/2023] Open
Abstract
Adipogenesis is regarded as an intricate network in which multiple transcription factors and signal pathways are involved. Recently, big efforts have focused on understanding the epigenetic mechanisms and their involvement in the regulation of adipocyte development. Multiple studies investigating the regulatory role of non-coding RNAs (ncRNAs) in adipogenesis have been reported so far, especially lncRNA, miRNA, and circRNA. They regulate gene expression at multiple levels through interactions with proteins, DNA, and RNA. Exploring the mechanism of adipogenesis and developments in the field of non-coding RNA may provide a new insight to identify therapeutic targets for obesity and related diseases. Therefore, this article outlines the process of adipogenesis, and discusses updated roles and mechanisms of ncRNAs in the development of adipocytes.
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Affiliation(s)
- Wenxiu Ru
- College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Xianyang 712100, China
| | - Sihuan Zhang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Xianyang 712100, China
| | - Jianyong Liu
- Yunnan Academy of Grassland and Animal Science, Kunming 650212, China
| | - Wujun Liu
- College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
| | - Bizhi Huang
- Yunnan Academy of Grassland and Animal Science, Kunming 650212, China
| | - Hong Chen
- College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
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Zhou C, Huang YQ, Da MX, Jin WL, Zhou FH. Adipocyte-derived extracellular vesicles: bridging the communications between obesity and tumor microenvironment. Discov Oncol 2023; 14:92. [PMID: 37289328 PMCID: PMC10250291 DOI: 10.1007/s12672-023-00704-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 05/26/2023] [Indexed: 06/09/2023] Open
Abstract
By the year 2035 more than 4 billion people might be affected by obesity and being overweight. Adipocyte-derived Extracellular Vesicles (ADEVs/ADEV-singular) are essential for communication between the tumor microenvironment (TME) and obesity, emerging as a prominent mechanism of tumor progression. Adipose tissue (AT) becomes hypertrophic and hyperplastic in an obese state resulting in insulin resistance in the body. This modifies the energy supply to tumor cells and simultaneously stimulates the production of pro-inflammatory adipokines. In addition, obese AT has a dysregulated cargo content of discharged ADEVs, leading to elevated amounts of pro-inflammatory proteins, fatty acids, and carcinogenic microRNAs. ADEVs are strongly associated with hallmarks of cancer (proliferation and resistance to cell death, angiogenesis, invasion, metastasis, immunological response) and may be useful as biomarkers and antitumor therapy strategy. Given the present developments in obesity and cancer-related research, we conclude by outlining significant challenges and significant advances that must be addressed expeditiously to promote ADEVs research and clinical applications.
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Affiliation(s)
- Chuan Zhou
- The First Clinical Medical College, Lanzhou University, Lanzhou, 730000 People’s Republic of China
- Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, Lanzhou, 730000 People’s Republic of China
| | - Yu-Qian Huang
- Department of Center of Medical Cosmetology, Chengdu Second People’s Hospital, Chengdu, 610017 People’s Republic of China
| | - Ming-Xu Da
- The First Clinical Medical College, Lanzhou University, Lanzhou, 730000 People’s Republic of China
- Department of Surgical Oncology, Gansu Provincial Hospital, Lanzhou, 730000 People’s Republic of China
| | - Wei-Lin Jin
- The First Clinical Medical College, Lanzhou University, Lanzhou, 730000 People’s Republic of China
- Institute of Cancer Neuroscience, Medical Frontier Innovation Research Center, The First Hospital of Lanzhou University, Lanzhou, 730000 People’s Republic of China
| | - Feng-Hai Zhou
- The First Clinical Medical College, Lanzhou University, Lanzhou, 730000 People’s Republic of China
- Department of Urology, Gansu Provincial Hospital, Lanzhou, 730000 People’s Republic of China
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Wang G, Tong J, Li Y, Qiu X, Chen A, Chang C, Yu G. Overview of CircRNAs Roles and Mechanisms in Liver Fibrosis. Biomolecules 2023; 13:940. [PMID: 37371520 DOI: 10.3390/biom13060940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 05/31/2023] [Accepted: 05/31/2023] [Indexed: 06/29/2023] Open
Abstract
Liver fibrosis represents the reversible pathological process with the feature of the over-accumulation of extracellular matrix (ECM) proteins within the liver, which results in the deposition of fibrotic tissues and liver dysfunction. Circular noncoding RNAs (CircRNAs) have the characteristic closed loop structures, which show high resistance to exonuclease RNase, making them far more stable and recalcitrant against degradation. CircRNAs increase target gene levels by playing the role of a microRNA (miRNA) sponge. Further, they combine with proteins or play the role of RNA scaffolds or translate proteins to modulate different biological processes. Recent studies have indicated that CircRNAs play an important role in the occurrence and progression of liver fibrosis and may be the potential diagnostic and prognostic markers for liver fibrosis. This review summarizes the CircRNAs roles and explores their underlying mechanisms, with a special focus on some of the latest research into key CircRNAs related to regulating liver fibrosis. Results in this work may inspire fruitful research directions and applications of CircRNAs in the management of liver fibrosis. Additionally, our findings lay a critical theoretical foundation for applying CircRNAs in diagnosing and treating liver fibrosis.
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Affiliation(s)
- Gaiping Wang
- State Key Laboratory of Cell Differentiation and Regulation, Henan Normal University, Xinxiang 453007, China
- Henan Center for Outstanding Overseas Scientists of Organ Fibrosis, Henan Normal University, Xinxiang 453007, China
- Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Normal University, Xinxiang 453007, China
- Institute of Biomedical Science, Henan Normal University, Xinxiang 453007, China
- College of Life Science, Henan Normal University, Xinxiang 453007, China
| | - Jiahui Tong
- State Key Laboratory of Cell Differentiation and Regulation, Henan Normal University, Xinxiang 453007, China
- College of Life Science, Henan Normal University, Xinxiang 453007, China
| | - Yingle Li
- State Key Laboratory of Cell Differentiation and Regulation, Henan Normal University, Xinxiang 453007, China
- College of Life Science, Henan Normal University, Xinxiang 453007, China
| | - Xianglei Qiu
- State Key Laboratory of Cell Differentiation and Regulation, Henan Normal University, Xinxiang 453007, China
- College of Life Science, Henan Normal University, Xinxiang 453007, China
| | - Anqi Chen
- State Key Laboratory of Cell Differentiation and Regulation, Henan Normal University, Xinxiang 453007, China
- College of Life Science, Henan Normal University, Xinxiang 453007, China
| | - Cuifang Chang
- State Key Laboratory of Cell Differentiation and Regulation, Henan Normal University, Xinxiang 453007, China
- Henan Center for Outstanding Overseas Scientists of Organ Fibrosis, Henan Normal University, Xinxiang 453007, China
- Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Normal University, Xinxiang 453007, China
- Institute of Biomedical Science, Henan Normal University, Xinxiang 453007, China
- College of Life Science, Henan Normal University, Xinxiang 453007, China
| | - Guoying Yu
- State Key Laboratory of Cell Differentiation and Regulation, Henan Normal University, Xinxiang 453007, China
- Henan Center for Outstanding Overseas Scientists of Organ Fibrosis, Henan Normal University, Xinxiang 453007, China
- Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Normal University, Xinxiang 453007, China
- Institute of Biomedical Science, Henan Normal University, Xinxiang 453007, China
- College of Life Science, Henan Normal University, Xinxiang 453007, China
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Vp V, Kannan A, Perumal MK. Role of adipocyte-derived extracellular vesicles during the progression of liver inflammation to hepatocellular carcinoma. J Cell Physiol 2023; 238:1125-1140. [PMID: 36960683 DOI: 10.1002/jcp.31008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 03/03/2023] [Accepted: 03/11/2023] [Indexed: 03/25/2023]
Abstract
Extracellular vesicles are membrane-bound cargos that vary in size and are stably transported through various bodily fluids. Extracellular vesicles communicate information between the cells and organs. Extracellular vesicles from the diseased cells alter cellular responses of the recipient cells contributing to disease progression. In obesity, adipocytes become hypertrophic and the extracellular vesicles from these dysfunctional adipocytes showed altered cargo contents instigating pathophysiological response leading to chronic liver diseases. In this review, the role of adipocyte-derived extracellular vesicles on the progression of liver inflammation, fibrosis, cirrhosis, and hepatocellular carcinoma are extensively discussed. Newer approaches are crucial to take advantage of extracellular vesicles and their content as biomarkers to diagnose initial liver inflammation before reaching to an irreversible liver failure stage.
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Affiliation(s)
- Venkateish Vp
- Department of Biochemistry, CSIR-Central Food Technological Research Institute, Mysore, Karnataka, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Anbarasu Kannan
- Department of Biochemistry, CSIR-Central Food Technological Research Institute, Mysore, Karnataka, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Madan Kumar Perumal
- Department of Biochemistry, CSIR-Central Food Technological Research Institute, Mysore, Karnataka, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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Meng X, Yang D, Zhang B, Zhao Y, Zheng Z, Zhang T. Regulatory mechanisms and clinical applications of tumor-driven exosomal circRNAs in cancers. Int J Med Sci 2023; 20:818-835. [PMID: 37213665 PMCID: PMC10198146 DOI: 10.7150/ijms.82419] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 03/09/2023] [Indexed: 05/23/2023] Open
Abstract
Malignant tumors seriously affect people's survival and prognosis. Exosomes, as vesicle structures widely existing in human tissues and body fluids, are involved in cell-to-cell transmission. Tumor-derived exosomes were secreted from tumors and involved in the development of carcinogenesis. Circular RNA (circRNA), a novel member of endogenous noncoding RNAs, is widespread in human and play a vital role in many physiological or pathological processes. Tumor-driven exosomal circRNAs are often involved in tumorigenesis and development including the proliferation, invasion, migration and chemo-or-radiotherapy sensitivity of tumor cell by multiple regulatory mechanisms. In this review, we will elaborate the roles and functions of tumor-driven exosomal circRNAs in cancers which may be used as potential cancer biomarkers and novel therapeutic targets.
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Affiliation(s)
| | | | | | | | | | - Tao Zhang
- Department of Gastric Surgery, Cancer Hospital of China Medical University/Liaoning Cancer Hospital, Shenyang, Liaoning, China
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Hu M, Li X, Jiang Z, Xia Q, Hu Y, Guo J, Fu L. Exosomes and circular RNAs: promising partners in hepatocellular carcinoma from bench to bedside. Discov Oncol 2023; 14:60. [PMID: 37154831 PMCID: PMC10167081 DOI: 10.1007/s12672-023-00672-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 04/26/2023] [Indexed: 05/10/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is characterized by high morbidity and mortality, and a low 5-year survival rate. Exploring the potential molecular mechanisms, finding diagnostic biomarkers with high sensitivity and specificity, and determining new therapeutic targets for HCC are urgently needed. Circular RNAs (circRNAs) have been found to play a key role in the occurrence and development of HCC, while exosomes play an important role in intercellular communication; thus, the combination of circRNAs and exosomes may have inestimable potential in early diagnosis and curative therapy. Previous studies have shown that exosomes can transfer circRNAs from normal or abnormal cells to surrounding or distant cells; thereafter, circRNAs influence target cells. This review summarizes the recent progress regarding the roles of exosomal circRNAs in the diagnosis, prognosis, occurrence and development and immune checkpoint inhibitor and tyrosine kinase inhibitor resistance of HCC to provide inspiration for further research.
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Affiliation(s)
- Mengyuan Hu
- School of Medicine, Ningbo University, Ningbo, 315211, China
- Department of Infection and Hepatology, Ningbo No. 2 Hospital, Ningbo, 315010, China
| | - Xue Li
- Wenzhou Medical University, Wenzhou, 325035, China
| | - Zhenluo Jiang
- Department of Emergency, Ningbo No. 2 Hospital, Ningbo, 315010, China
| | - Qing Xia
- Department of Hepatopancreatobiliary Surgery, Ningbo No. 2 Hospital, Ningbo, 315010, China
| | - Yaoren Hu
- School of Medicine, Ningbo University, Ningbo, 315211, China
- Department of Infection and Hepatology, Ningbo No. 2 Hospital, Ningbo, 315010, China
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Ningbo, 315010, China
| | - Junming Guo
- School of Medicine, Ningbo University, Ningbo, 315211, China
- Department of Biochemistry and Molecular Biology, and Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo University, Ningbo, 315211, China
| | - Liyun Fu
- School of Medicine, Ningbo University, Ningbo, 315211, China.
- Department of Infection and Hepatology, Ningbo No. 2 Hospital, Ningbo, 315010, China.
- Wenzhou Medical University, Wenzhou, 325035, China.
- Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, Ningbo, 315010, China.
- Ningbo Clinical Research Center for Digestive System Tumors, Ningbo, 315010, China.
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Tamasi V, Németh K, Csala M. Role of Extracellular Vesicles in Liver Diseases. Life (Basel) 2023; 13:life13051117. [PMID: 37240762 DOI: 10.3390/life13051117] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 04/24/2023] [Accepted: 04/27/2023] [Indexed: 05/28/2023] Open
Abstract
Extracellular vesicles (EVs) are cell-derived membrane structures that are formed by budding from the plasma membrane or originate from the endosomal system. These microparticles (100 nm-100 µm) or nanoparticles (>100 nm) can transport complex cargos to other cells and, thus, provide communication and intercellular regulation. Various cells, such as hepatocytes, liver sinusoidal endothelial cells (LSECs) or hepatic stellate cells (HSCs), secrete and take up EVs in the healthy liver, and the amount, size and content of these vesicles are markedly altered under pathophysiological conditions. A comprehensive knowledge of the modified EV-related processes is very important, as they are of great value as biomarkers or therapeutic targets. In this review, we summarize the latest knowledge on hepatic EVs and the role they play in the homeostatic processes in the healthy liver. In addition, we discuss the characteristic changes of EVs and their potential exacerbating or ameliorating effects in certain liver diseases, such as non-alcoholic fatty liver disease (NAFLD), alcoholic fatty liver disease (AFLD), drug induced liver injury (DILI), autoimmune hepatitis (AIH), hepatocarcinoma (HCC) and viral hepatitis.
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Affiliation(s)
- Viola Tamasi
- Department of Molecular Biology, Semmelweis University, 1094 Budapest, Hungary
| | - Krisztina Németh
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, 1089 Budapest, Hungary
- ELKH-SE Translational Extracellular Vesicle Research Group, 1085 Budapest, Hungary
| | - Miklós Csala
- Department of Molecular Biology, Semmelweis University, 1094 Budapest, Hungary
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Gondaliya P, Sayyed AA, Driscoll J, Patel K, Patel T. Extracellular vesicle RNA signaling in the liver tumor microenvironment. Cancer Lett 2023; 558:216089. [PMID: 36758739 PMCID: PMC9992346 DOI: 10.1016/j.canlet.2023.216089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/24/2023] [Accepted: 02/03/2023] [Indexed: 02/10/2023]
Abstract
The tumor microenvironment (TME) in liver cancers such as hepatocellular cancer (HCC) consists of a complex milieu of liver tissue-resident cells, infiltrated immune cells, and secreted factors that collectively serve to promote tumor growth and progression. Intercellular crosstalk contributes to tissue homeostasis, and perturbations during injury, inflammation and tumorigenesis that are important for tumor progression. Extracellular vesicle (EV)-mediated transfer of a payload of RNA molecules that serve as an intercellular signaling is an important contributor to tissue homeostasis within the TME. Several types of RNA have been implicated in EV-mediated signaling. Biological processes that can be modulated by EV RNA signaling within the liver include tumor growth, invasion, metastasis, angiogenesis, and modulation of the immune cell activities. This mini-review describes the liver TME, and the biological effects of EV RNA-mediated signaling within the liver to highlight the role of EV RNA in intercellular communication.
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Affiliation(s)
- Piyush Gondaliya
- Departments of Transplantation and Cancer Biology, Mayo Clinic, Jacksonville, FL, USA
| | - Adil Ali Sayyed
- Departments of Transplantation and Cancer Biology, Mayo Clinic, Jacksonville, FL, USA
| | - Julia Driscoll
- Departments of Transplantation and Cancer Biology, Mayo Clinic, Jacksonville, FL, USA
| | - Krishna Patel
- Departments of Transplantation and Cancer Biology, Mayo Clinic, Jacksonville, FL, USA
| | - Tushar Patel
- Departments of Transplantation and Cancer Biology, Mayo Clinic, Jacksonville, FL, USA.
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Ding J, Xu C, Xu M, He XY, Li WN, He F. Emerging role of engineered exosomes in nonalcoholic fatty liver disease. World J Hepatol 2023; 15:386-392. [PMID: 37034232 PMCID: PMC10075012 DOI: 10.4254/wjh.v15.i3.386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 02/20/2023] [Accepted: 03/15/2023] [Indexed: 04/11/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disease worldwide. NAFLD comprises a continuum of liver abnormalities from nonalcoholic fatty liver to nonalcoholic steatohepatitis, and can even lead to cirrhosis and liver cancer. However, a well-established treatment for NAFLD has yet to be identified. Exosomes have become an ideal drug delivery tool because of their high transmissibility, low immunogenicity, easy accessibility and targeting. Exosomes with specific modifications, known as engineered exosomes, have the potential to treat a variety of diseases. Here, we review the treatment of NAFLD with engineered exosomes and the potential use of exosomes as biomarkers and therapeutic targets for NAFLD.
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Affiliation(s)
- Jian Ding
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, The Fourth Military Medical University, Xi'an 710032, Shaanxi Province, China
| | - Chen Xu
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, The Fourth Military Medical University, Xi'an 710032, Shaanxi Province, China
| | - Ming Xu
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, The Fourth Military Medical University, Xi'an 710032, Shaanxi Province, China
| | - Xiao-Yue He
- The Affiliated Hospital of Jining Medical University, Jining Medical University, Jining 272067, Shandong Province, China
| | - Wei-Na Li
- School of Basic Medicine, The Fourth Military Medical University, Xi'an 710032, Shaanxi Province, China
| | - Fei He
- Department of Hepatobiliary Surgery, Xi-Jing Hospital, Xi'an 710032, Shaanxi Province, China
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Chen B, Leung LL, Qu X, Chan JY. Extracellular Vesicles as Biomarkers in Head and Neck Squamous Cell Carcinoma: From Diagnosis to Disease-Free Survival. Cancers (Basel) 2023; 15:1826. [PMID: 36980712 PMCID: PMC10046514 DOI: 10.3390/cancers15061826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 03/22/2023] Open
Abstract
Head and neck squamous cell carcinomas (HNSCCs) arising from different anatomical sites present with different incidences and characteristics, which requires a personalized treatment strategy. Despite the extensive research that has conducted on this malignancy, HNSCC still has a poor overall survival rate. Many attempts have been made to improve the outcomes, but one of the bottlenecks is thought to be the lack of an effective biomarker with high sensitivity and specificity. Extracellular vesicles (EVs) are secreted by various cells and participate in a great number of intercellular communications. Based on liquid biopsy, EV detection in several biofluids, such as blood, saliva, and urine, has been applied to identify the existence and progression of a variety of cancers. In HNSCC, tumor-derived EVs exhibit many functionalities by transporting diverse cargoes, which highlights their importance in tumor screening, the determination of multidisciplinary therapy, prediction of prognosis, and evaluation of therapeutic effects. This review illustrates the classification and formation of EV subtypes, the cargoes conveyed by these vesicles, and their respective functions in HNSCC cancer biology, and discloses their potential as biomarkers during the whole process of tumor diagnosis, treatment, and follow-up.
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Xu K, Xia P, Chen X, Ma W, Yuan Y. ncRNA-mediated fatty acid metabolism reprogramming in HCC. Trends Endocrinol Metab 2023; 34:278-291. [PMID: 36890041 DOI: 10.1016/j.tem.2023.02.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/14/2023] [Accepted: 02/16/2023] [Indexed: 03/08/2023]
Abstract
The challenges of hepatocellular carcinoma (HCC) pathogenesis, diagnosis, treatment, and prognosis evaluation are obvious. Hepatocyte-specific fatty acid (FA) metabolic reprogramming is an important marker of liver carcinogenesis and progression; elucidating its mechanism will help unravel the complexity of HCC pathogenesis. Noncoding RNAs (ncRNAs) play important roles in HCC development. Moreover, ncRNAs are important mediators of FA metabolism and are directly involved in the reprogramming of FA metabolism in HCC cells. Here we review significant new advances in understanding the mechanisms regulating HCC metabolism by focusing on ncRNA-mediated post-translational modifications of metabolic enzymes, metabolism-related transcription factors, and other proteins in associated signaling pathways. We also discuss the great therapeutic potential of targeting ncRNA-mediated FA metabolism reprogramming in HCC.
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Affiliation(s)
- Kequan Xu
- Department of Hepatobiliary & Pancreatic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, PR China; Clinical Medicine Research Center for Minimally Invasive Procedure of Hepatobiliary & Pancreatic Diseases of Hubei Province, Hubei, PR China
| | - Peng Xia
- Department of Hepatobiliary & Pancreatic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, PR China; Clinical Medicine Research Center for Minimally Invasive Procedure of Hepatobiliary & Pancreatic Diseases of Hubei Province, Hubei, PR China
| | - Xi Chen
- Department of Hepatobiliary & Pancreatic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, PR China; Clinical Medicine Research Center for Minimally Invasive Procedure of Hepatobiliary & Pancreatic Diseases of Hubei Province, Hubei, PR China
| | - Weijie Ma
- Department of Hepatobiliary & Pancreatic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, PR China; Clinical Medicine Research Center for Minimally Invasive Procedure of Hepatobiliary & Pancreatic Diseases of Hubei Province, Hubei, PR China.
| | - Yufeng Yuan
- Department of Hepatobiliary & Pancreatic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, PR China; Clinical Medicine Research Center for Minimally Invasive Procedure of Hepatobiliary & Pancreatic Diseases of Hubei Province, Hubei, PR China; TaiKang Center for Life and Medical Sciences, Wuhan University, Wuhan 430071, China.
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Yao W, Jia X, Zhu L, Xu L, Zhang Q, Xia T, Wei L. Exosomal circ_0026611 contributes to lymphangiogenesis by reducing PROX1 acetylation and ubiquitination in human lymphatic endothelial cells (HLECs). Cell Mol Biol Lett 2023; 28:13. [PMID: 36803975 PMCID: PMC9936748 DOI: 10.1186/s11658-022-00410-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 11/24/2022] [Indexed: 02/19/2023] Open
Abstract
BACKGROUND Esophageal squamous carcinoma (ESCC) is a common malignancy that originates in the digestive tract. Lymph node metastasis (LNM) is a complicated process, and tumor lymphangiogenesis has been reported to be associated with the spread of tumor cells to lymph nodes (LNs), including in ESCC. However, little is currently known about the mechanisms involved in lymphangiogenesis in ESCC tumors. According to previous literature, we know that hsa_circ_0026611 expresses at a high level in serum exosomes of patients with ESCC and shows a close association with LNM and poor prognosis. However, details on the functions of circ_0026611 in ESCC remain unclear. We aim to explore the effects of circ_0026611 in ESCC cell-derived exosomes on lymphangiogenesis and its potential molecular mechanism. METHODS We firstly examined how circ_0026611 may express in ESCC cells and exosomes by quantitative reverse transcription real-time polymerase chain reaction (RT-qPCR). The potential effects circ_0026611 may exert on lymphangiogenesis in ESCC cell-derived exosomes were assessed afterward via mechanism experiments. RESULTS circ_0026611 high expression pattern was confirmed in ESCC cells and exosomes. ESCC cell-derived exosomes promoted lymphangiogenesis by transferring circ_0026611. Besides, circ_0026611 interacted with N-α-acetyltransferase 10 (NAA10) to inhibit NAA10-mediated prospero homeobox 1 (PROX1) acetylation with subsequent ubiquitination and degradation. Furthermore, circ_0026611 was verified to promote lymphangiogenesis in a PROX1-mediated manner. CONCLUSIONS Exosomal circ_0026611 inhibited PROX1 acetylation and ubiquitination to promote lymphangiogenesis in ESCC.
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Affiliation(s)
- Wenjian Yao
- grid.256922.80000 0000 9139 560XDepartment of Thoracic Surgery, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, No.7, Weiwu Road, Jinshui District, Zhengzhou, 450003 Henan China
| | - Xiangbo Jia
- grid.256922.80000 0000 9139 560XDepartment of Thoracic Surgery, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, No.7, Weiwu Road, Jinshui District, Zhengzhou, 450003 Henan China
| | - Li Zhu
- grid.414011.10000 0004 1808 090XDepartment of Thoracic Surgery, Zhengzhou University People’s Hospital, Henan Provincial People’s Hospital, Zhengzhou, 450003 Henan China
| | - Lei Xu
- grid.256922.80000 0000 9139 560XDepartment of Thoracic Surgery, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, No.7, Weiwu Road, Jinshui District, Zhengzhou, 450003 Henan China
| | - Quan Zhang
- grid.256922.80000 0000 9139 560XDepartment of Thoracic Surgery, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, No.7, Weiwu Road, Jinshui District, Zhengzhou, 450003 Henan China
| | - Tian Xia
- grid.256922.80000 0000 9139 560XDepartment of Thoracic Surgery, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, No.7, Weiwu Road, Jinshui District, Zhengzhou, 450003 Henan China
| | - Li Wei
- Department of Thoracic Surgery, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, No.7, Weiwu Road, Jinshui District, Zhengzhou, 450003, Henan, China.
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Abstract
Cisplatin (DDP)-based chemotherapy is the main chemotherapeutic agent for ovarian cancer (OC) treatment. Circular RNA PIP5K1A (circ-PIP5K1A) was found to promote OC tumorigenesis. However, whether circ-PIP5K1A was involved in DDP resistance in OC remains unclear. Levels of circ-PIP5K1A, microRNA (miR)-942-5p, and nuclear factor I B (NFIB) were detected using quantitative real-time PCR and Western blot assays. In-vitro experiments were conducted by using cell counting kit-8, cell colony formation, 5-ethynyl-2'-deoxyuridine, flow cytometry, and transwell assays, respectively. In-vivo assay was performed using murine xenograft model. The binding interaction between miR-942-5p and circ-PIP5K1A or NFIB was confirmed using dual-luciferase reporter assay. Exosomes were obtained from culture media by the use of commercial kits and qualified by transmission electron microscopy and Western blot. Circ-PIP5K1A was highly expressed in DDP-resistant OC tissues and cells. Circ-PIP5K1A knockdown could constrain the proliferation, migration, and invasion, as well as increase apoptosis and sensitivity to DDP in DDP-resistant OC cells. Mechanistically, circ-PIP5K1A acted as a sponge for miR-942-5p to positively regulate NFIB expression. Moreover, rescue experiments demonstrated that the anticancer and DDP sensitization effects caused by circ-PIP5K1A silencing in DDP-resistant OC cells were achieved through the miR-942-5p/NFIB axis. Importantly, circ-PIP5K1A silencing enhanced DDP efficacy and impeded tumor growth in OC in vivo . Additionally, we also found that circ-PIP5K1A was packaged into exosomes and could be internalized by surrounding cells. Circ-PIP5K1A knockdown reduced the resistance to DDP in OC via regulating miR-942-5p/NFIB axis. Besides that, circ-PIP5K1A was packaged into exosomes and exosomal circ-SKA3 could mediate intercellular communication between OC cells. These findings provided a promising therapeutic target for OC.
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Affiliation(s)
- Hui Sheng
- Department of Radiology, Yantai Shan Hospital, Yantai, China
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Liu JB, Zhang JB, Yan XM, Xie PG, Fu Y, Fu XH, Sun XL, Han DX, Li SP, Zheng Y, Gao Y, Kim NH, Yuan B, Jiang H. DNA Double-Strand Break-Related Competitive Endogenous RNA Network of Noncoding RNA in Bovine Cumulus Cells. Genes (Basel) 2023; 14. [PMID: 36833217 DOI: 10.3390/genes14020290] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 01/14/2023] [Accepted: 01/18/2023] [Indexed: 01/26/2023] Open
Abstract
(1) Background: DNA double strand breaks (DSBs) are the most serious form of DNA damage that affects oocyte maturation and the physiological state of follicles and ovaries. Non-coding RNAs (ncRNAs) play a crucial role in DNA damage and repair. This study aims to analyze and establish the network of ncRNAs when DSB occurs and provide new ideas for next research on the mechanism of cumulus DSB. (2) Methods: Bovine cumulus cells (CCs) were treated with bleomycin (BLM) to construct a DSB model. We detected the changes of the cell cycle, cell viability, and apoptosis to determine the effect of DSBs on cell biology, and further evaluated the relationship between the transcriptome and competitive endogenous RNA (ceRNA) network and DSBs. (3) Results: BLM increased γH2AX positivity in CCs, disrupted the G1/S phase, and decreased cell viability. Totals of 848 mRNAs, 75 long noncoding RNAs (lncRNAs), 68 circular RNAs (circRNAs), and 71 microRNAs (miRNAs) in 78 groups of lncRNA-miRNA-mRNA regulatory networks, 275 groups of circRNA-miRNA-mRNA regulatory networks, and five groups of lncRNA/circRNA-miRNA-mRNA co-expression regulatory networks were related to DSBs. Most differentially expressed ncRNAs were annotated to cell cycle, p53, PI3K-AKT, and WNT signaling pathways. (4) Conclusions: The ceRNA network helps to understand the effects of DNA DSBs activation and remission on the biological function of CCs.
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Chen X, Ren X, E J, Zhou Y, Bian R. Exosome-transmitted circ IFNGR2 Modulates Ovarian Cancer Metastasis via miR-378/ST5 Axis. Mol Cell Biol 2023; 43:22-42. [PMID: 36720469 PMCID: PMC9937009 DOI: 10.1080/10985549.2022.2160605] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 12/05/2022] [Indexed: 01/28/2023] Open
Abstract
Cancer-associated fibroblasts (CAFs)-derived exosomes have emerged as a key driver of ovarian cancer (OVCA) tumor progression. The mechanisms behind the specific circular RNA (circRNA) activity encapsulated by CAF-generated exosomes (CAF-exo) requires to be elucidated. Herein, this study selected specific circRNA (hsa_circIFNGR2) molecules and aimed to clarify novel function of CAF-derived exosomal circIFNGR2 on growth, and metastasis of OVCA cells. In this study, we clarified that the exosomes of CAFs originating from human ovarian cancer hindered tumor cell proliferation, metastasis and EMT in vitro. Interestingly, CAFs directly transferred exosomes into OVCA cells to enrich intracellular circIFNGR2 levels. Biologically, activation of exosomal circIFNGR2 blocked cell proliferation, metastasis and EMT. Mechanistically, enhanced circIFNGR2 activated the miR-378/ST5 axis and directly inhibited the malignant evolution of tumor cells. Furthermore, rescue experiments evidenced that circIFNGR2 and ST5 were two essential participants in OVCA, concretely manifested in the co-culture of OVCA cells with exosomes that reversed the effects of intracellular circIFNGR2 and ST5 depletion. Finally, we observed that CAF-exo treatment hindered tumor growth and increased the size and number of metastatic nodules in mice. Our study revealed a previously unknown regulatory pathway whereby CAFs-derived exosomes delivered circIFNGR2 and inhibited the malignant progression of OVCA by circIFNGR2/miR-378/ST5 axis.
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Affiliation(s)
- Xiaoping Chen
- Obstetrics and Gynecology Department, Yancheng First People's Hospital, Yancheng, China
| | - Xinping Ren
- Obstetrics and Gynecology Department, Yancheng First People's Hospital, Yancheng, China
| | - Jiaoting E
- Obstetrics and Gynecology Department, Yancheng First People's Hospital, Yancheng, China
| | - Yaqi Zhou
- Obstetrics and Gynecology Department, Yancheng First People's Hospital, Yancheng, China
| | - Rongfang Bian
- Obstetrics and Gynecology Department, Yancheng First People's Hospital, Yancheng, China
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Wang D, Li R, Jiang J, Qian H, Xu W. Exosomal circRNAs: Novel biomarkers and therapeutic targets for gastrointestinal tumors. Biomed Pharmacother 2023; 157:114053. [PMID: 36462315 DOI: 10.1016/j.biopha.2022.114053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/17/2022] [Accepted: 11/25/2022] [Indexed: 12/03/2022] Open
Abstract
Despite the high prevalence of gastrointestinal tumors, early diagnosis and treatment of these tumors is limited by the lack of effective and specific biomarkers and therapeutic targets. Exosomes carry active molecules to mediate cell-to-cell communication, especially in the tumor microenvironment, and are promising biomarkers and therapeutic targets for cancer. Circular RNAs (circRNAs) are stably enriched in exosomes and show a unique circular structure, high stability, conservation, and tissue specificity. Exosomal circRNAs play important roles in regulating cell proliferation, metastasis, angiogenesis, metabolism, and the immune microenvironment of gastrointestinal tumors and exhibit great potential as tumor biomarkers and anti-tumor targets or tools. This review briefly introduces the characteristics and functions of circRNAs and exosomes, and systematically describes the biological roles and mechanisms of exosomal circRNAs in gastrointestinal tumors. This article also summarizes the detection methodology of exosomal circRNAs and discusses their clinical significance as biomarkers and targets for gastrointestinal tumors.
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Affiliation(s)
- Dongli Wang
- Zhenjiang Key Laboratory of High Technology Research on Exosomes Foundation and Transformation Application, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Rong Li
- Department of Laboratory Medicine, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing University, 321 Zhongshan Road, Nanjing, Jiangsu 210008, China
| | - Jiajia Jiang
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, 279 Jingang Road, Suzhou, Jiangsu 215600, China
| | - Hui Qian
- Zhenjiang Key Laboratory of High Technology Research on Exosomes Foundation and Transformation Application, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Wenrong Xu
- Zhenjiang Key Laboratory of High Technology Research on Exosomes Foundation and Transformation Application, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
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49
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Hussen BM, Abdullah SR, Hama Faraj GS, Rasul MF, Salihi A, Ghafouri-Fard S, Taheri M, Mokhtari M. Exosomal circular RNA: a signature for lung cancer progression. Cancer Cell Int 2022; 22:378. [PMID: 36457039 PMCID: PMC9714134 DOI: 10.1186/s12935-022-02793-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 11/15/2022] [Indexed: 12/03/2022] Open
Abstract
Membrane vesicles having a diameter of 30-150 nm are known as exosomes. Several cancer types secrete exosomes, which may contain proteins, circular RNAs (circRNAs), microRNAs, or DNA. CircRNAs are endogenous RNAs that do not code for proteins and can create continuous and covalently closed loops. In cancer pathogenesis, especially metastasis, exosomal circRNAs (exo-circRNAs) have a crucial role mainly due to the frequently aberrant expression levels within tumors. However, neither the activities nor the regulatory mechanisms of exo-circRNAs in advancing lung cancer (LC) are obvious. A better understanding of the regulation and network connections of exo-circRNAs will lead to better treatment for LCs. The main objective of the current review is to highlight the functions and mechanisms of exo-circRNAs in LC and assess the relationships between exo-circRNA dysregulation and LC progression. In addition, underline the possible therapeutic targets based on exo-circRNA modulating.
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Affiliation(s)
- Bashdar Mahmud Hussen
- Department of Pharmacognosy, College of Pharmacy, Hawler Medical University, Erbil, Kurdistan Region, Iraq
- Medical Laboratory Science, Lebanese French University, Erbil, Kurdistan Region, Iraq
| | - Snur Rasool Abdullah
- Medical Laboratory Science, Lebanese French University, Erbil, Kurdistan Region, Iraq
| | - Goran Sedeeq Hama Faraj
- Department of Medical Laboratory Science, Komar University of Science and Technology, Sulaymaniyah, Iraq
| | - Mohammed Fatih Rasul
- Department of Pharmaceutical Basic Science, Faculty of Pharmacy, Tishk International University, Erbil, Kurdistan Region, Iraq
| | - Abbas Salihi
- Department of Biology, College of Science, Salahaddin University-Erbil, Erbil, Kurdistan Region, Iraq
- Department of Biomedical Sciences, Cihan University-Erbil, Kurdistan Region, Erbil, 44001, Iraq
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Taheri
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
- Institute of Human Genetics, Jena University Hospital, Jena, Germany.
| | - Majid Mokhtari
- Tracheal Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Abstract
Among the most prevalent cancers in the world, hepatocellular carcinoma (HCC) has a high mortality rate. The diagnosis and management of HCC are presently hindered by difficulties in early detection and suboptimal treatment outcomes. Exosomes have been shown to play an important role in hepatocarcinogenesis and can also be used for diagnosis and treatment. In this review, we discussed the research progress on exosomes in hepatocarcinogenesis development, tumor microenvironment remodeling, treatment resistance, and immunosuppression. HCC can be diagnosed and treated by understanding the pathogenesis and identifying early diagnostic markers. This review will be a significant reference for scholars with an initial understanding of the field to fully understand the role of exosomes in the organism.
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Affiliation(s)
- GuoYun Wang
- Department of Hepatobiliary Surgery, The Second Hospital of Guangdong Medical University, Zhanjiang, China
| | - GaiXiang Luo
- The First Clinical Medical College of Lanzhou University, Gansu Provincial People’s Hospital, Lanzhou, China
| | - MeiJing Zhao
- Department of Hepatobiliary Surgery, The Second Hospital of Guangdong Medical University, Zhanjiang, China
| | - HuiLai Miao
- Department of Hepatobiliary Surgery, The Second Hospital of Guangdong Medical University, Zhanjiang, China
- Key Laboratory of Liver Injury Diagnosis and Repair, Guangdong Medical University, Zhanjiang, China
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