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Jin T, Wang H, Liu Y, Wang H. Circular RNAs: Regulators of endothelial cell dysfunction in atherosclerosis. J Mol Med (Berl) 2024; 102:313-335. [PMID: 38265445 DOI: 10.1007/s00109-023-02413-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 12/09/2023] [Accepted: 12/21/2023] [Indexed: 01/25/2024]
Abstract
Endothelial cell (EC) dysfunction is associated with atherosclerosis. Circular RNAs (circRNAs) are covalently closed loops formed by back-splicing, are highly expressed in a tissue-specific or cell-specific manner, and regulate ECs mainly through miRNAs (mircoRNAs) or protein sponges. This review describes the regulatory mechanisms and physiological functions of circRNAs, as well as the differential expression of circRNAs in aberrant ECs. This review focuses on their roles in inflammation, proliferation, migration, angiogenesis, apoptosis, senescence, and autophagy in ECs from the perspective of signaling pathways, such as nuclear factor κB (NF-κB), nucleotide-binding domain, leucine-rich-repeat family, pyrin-domain-containing 3 (NLRP3)/caspase-1, Janus kinase/signal transducer and activator of transcription (JAK/STAT), and phosphoinositide-3 kinase/protein kinase B (PI3K/Akt). Finally, we address the issues and recent advances in circRNAs as well as circRNA-mediated regulation of ECs to improve our understanding of the molecular mechanisms underlying the progression of atherosclerosis and provide a reference for studies on circRNAs that regulate EC dysfunction and thus affect atherosclerosis.
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Affiliation(s)
- Tengyu Jin
- Hebei Medical University, Shijiazhuang 050011, Hebei, China
- Hebei General Hospital, Affiliated to Hebei Medical University, Shijiazhuang 050051, Hebei, China
| | - Haoyuan Wang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Yuelin Liu
- Hebei Medical University, Shijiazhuang 050011, Hebei, China
| | - Hebo Wang
- Hebei Medical University, Shijiazhuang 050011, Hebei, China.
- Hebei General Hospital, Affiliated to Hebei Medical University, Shijiazhuang 050051, Hebei, China.
- Hebei Provincial Key Laboratory of Cerebral Networks and Cognitive Disorders, Shijiazhuang 050051, Hebei, China.
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2
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Triska J, Mathew C, Zhao Y, Chen YE, Birnbaum Y. Circular RNA as Therapeutic Targets in Atherosclerosis: Are We Running in Circles? J Clin Med 2023; 12:4446. [PMID: 37445481 DOI: 10.3390/jcm12134446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 06/26/2023] [Accepted: 06/29/2023] [Indexed: 07/15/2023] Open
Abstract
Much attention has been paid lately to harnessing the diagnostic and therapeutic potential of non-coding circular ribonucleic acids (circRNAs) and micro-RNAs (miRNAs) for the prevention and treatment of cardiovascular diseases. The genetic environment that contributes to atherosclerosis pathophysiology is immensely complex. Any potential therapeutic application of circRNAs must be assessed for risks, benefits, and off-target effects in both the short and long term. A search of the online PubMed database for publications related to circRNA and atherosclerosis from 2016 to 2022 was conducted. These studies were reviewed for their design, including methods for developing atherosclerosis and the effects of the corresponding atherosclerotic environment on circRNA expression. Investigated mechanisms were recorded, including associated miRNA, genes, and ultimate effects on cell mechanics, and inflammatory markers. The most investigated circRNAs were then further analyzed for redundant, disparate, and/or contradictory findings. Many disparate, opposing, and contradictory effects were observed across experiments. These include levels of the expression of a particular circRNA in atherosclerotic environments, attempted ascertainment of the in toto effects of circRNA or miRNA silencing on atherosclerosis progression, and off-target, cell-specific, and disease-specific effects. The high potential for detrimental and unpredictable off-target effects downstream of circRNA manipulation will likely render the practice of therapeutic targeting of circRNA or miRNA molecules not only complicated but perilous.
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Affiliation(s)
- Jeffrey Triska
- Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
| | - Christo Mathew
- Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
| | - Yang Zhao
- Cardiovascular Center, Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - Yuqing E Chen
- Cardiovascular Center, Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor, MI 48109, USA
| | - Yochai Birnbaum
- Section of Cardiology, Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
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3
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Al-Hawary SIS, Jasim SA, Romero-Parra RM, Bustani GS, Hjazi A, Alghamdi MI, Kareem AK, Alwaily ER, Zabibah RS, Gupta J, Mahmoudi R, Hosseini-Fard S. NLRP3 inflammasome pathway in atherosclerosis: Focusing on the therapeutic potential of non-coding RNAs. Pathol Res Pract 2023; 246:154490. [PMID: 37141699 DOI: 10.1016/j.prp.2023.154490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 04/19/2023] [Accepted: 04/24/2023] [Indexed: 05/06/2023]
Abstract
NLRP3 (NOD-, LRR-, and pyrin domain-containing protein 3) inflammasome pathway has a critical role in the pathogenesis of atherosclerosis. Activation of this pathway is implicated in the subendothelial inflammation and atherosclerosis progression. The NLRP3 inflammasome are cytoplasmic sensors with the distinct capacity to identify a wide range of inflammation-related signals, which enhance NLRP3 inflammasome assembly and allow it to trigger inflammation. This pathway is triggered by a variety of intrinsic signals which exist in atherosclerotic plaques, like cholesterol crystals and oxidized LDL. Further pharmacological findings indicated that NLRP3 inflammasome enhanced caspase-1-mediated secretion of pro-inflammatory mediators like interleukin (IL)- 1β/18. Newly published cutting-edge studies suggested that non-coding RNAs (ncRNAs) including microRNAs (miRNAs, miRs), long noncoding RNAs (lncRNAs), and circular RNAs (circRNAs) are major modulators of NLRP3 inflammasome in atherosclerosis. Therefore, in this review, we aimed to discuss the NLRP3 inflammasome pathway, biogenesis of ncRNAs as well as the modulatory role of ncRNAs in regulating the various mediators of NLRP3 inflammasome pathway including TLR4, NF-kB, NLRP3, and caspase 1. We also discussed the importance of NLRP3 inflammasome pathway-related ncRNAs as a diagnostic biomarker in atherosclerosis and current therapeutics in the modulation of NLRP3 inflammasome in atherosclerosis. Finally, we speak about the limitations and future prospects of ncRNAs in regulating inflammatory atherosclerosis via the NLRP3 inflammasome pathway.
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Affiliation(s)
| | - Saade Abdalkareem Jasim
- Medical Laboratory Techniques Department, Al-maarif University College, Al-anbar-Ramadi, Iraq
| | | | | | - Ahmed Hjazi
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Kingdom of Saudi Arabia
| | | | - Ali Kamil Kareem
- Biomedical Engineering Department, Al-Mustaqbal University College, Hillah 51001, Iraq
| | - Enas R Alwaily
- Microbiology Research Group, College of Pharmacy, Al-Ayen University, Thi-Qar, Iraq
| | - Rahman S Zabibah
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University, Najaf, Iraq
| | - Jitendra Gupta
- Institute of Pharmaceutical Research, GLA University, Mathura 281406, UP, India
| | - Reza Mahmoudi
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
| | - Seyedreza Hosseini-Fard
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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Cheng C, Wang Y, Xue Q, Huang Y, Wang X, Liao F, Miao C. CircRnas in atherosclerosis, with special emphasis on the spongy effect of circRnas on miRnas. Cell Cycle 2023; 22:527-541. [PMID: 36229933 PMCID: PMC9928460 DOI: 10.1080/15384101.2022.2133365] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/25/2022] [Accepted: 10/04/2022] [Indexed: 11/03/2022] Open
Abstract
Atherosclerosis (AS) is a chronic inflammatory disease, which leads to atherosclerotic rupture, lumen stenosis and thrombosis, and often endangers life. Circular RNAs (circRNAs) are a special class of non-coding RNA molecules, whose abnormal expression has been proved to be closely related to human diseases, including AS. Both the abnormal regulation of circRNAs and the sponging effect on miRNAs would lead to changes in gene expression in the form of epigenetic modification, ultimately leading to the formation of AS. CircRNAs can be used as peripheral blood markers of AS, and play an important regulatory role in the proliferation, migration, inflammation and apoptosis of vascular smooth muscle cells, endothelial cells and macrophage, which are key cells for the development of AS. The in-depth understanding of circRNAs in AS not only provides a new method for the diagnosis of AS, but also provides a new idea for the treatment of AS.
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Affiliation(s)
- Chenglong Cheng
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Yuting Wang
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Qiuyun Xue
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Yurong Huang
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Xiao Wang
- Department of Clinical Nursing, School of Nursing, Anhui University of Chinese Medicine, Hefei, China
| | - Faxue Liao
- Department of Orthopaedics, the First Affiliated Hospital, Anhui Medical University, Hefei, China
- Anhui Public Health Clinical Center, Hefei, China
| | - Chenggui Miao
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
- Institute of Rheumatism, Anhui University of Chinese Medicine, Hefei, China
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Liu F, Gao B, Wang Y. CircIRAK1 aggravates ox-LDL-induced endothelial cell injury in atherosclerosis via TRIM14 upregulation by binding to miR-330-5p. Clin Hemorheol Microcirc 2023; 85:195-209. [PMID: 36336926 DOI: 10.3233/ch-221551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
BACKGROUND Atherosclerosis (AS) is a common inflammatory cardiovascular disease, and circular RNAs (circRNAs) are associated with the pathogenesis of AS. CircRNA Interleukin (IL)-1 receptor-associated kinase 1 (circIRAK1, hsa_circ_0091822) was upregulated in AS. The aims of this study were to ascertain the function and mechanism of circIRAK1 in AS. METHODS Human Umbilical Vein Endothelial Cells (HUVECs) were treated with oxidized low-density lipoprotein (ox-LDL). RNA expression was detected by reverse transcription-quantitative polymerase chain reaction assay. Cell viability was examined using Cell Counting Kit-8 assay. Tube formation ability was measured by tube formation assay. Cell apoptosis was assessed using flow cytometry. Western blot was used for protein detection. Inflammatory reaction was evaluated via Enzyme-linked immunosorbent assay. Oxidative injury was analyzed by commercial kits. Target binding was determined through dual-luciferase reporter assay, RNA immunoprecipitation assay and pull-down assay. RESULTS The expression of circIRAK1 was upregulated in AS serums and ox-LDL-treated HUVECs. Silencing circIRAK1 enhanced cell viability and angiogenesis while suppressed cell apoptosis, inflammatory response and oxidative stress in ox-LDL-stimulated HUVECs. CircIRAK1 served as a molecular sponge for miR-330-5p. CircIRAK1 regulated ox-LDL-mediated cell injury by absorbing miR-330-5p. In addition, miR-330-5p prevented endothelial cell dysfunction caused by ox-LDL via targeting tripartite motif containing 14 (TRIM14). TRIM14 expression was upregulated by circIRAK1 through sponging miR-330-5p. CONCLUSION These results suggested that circIRAK1 upregulated TRIM14 by interacting with miR-330-5p, consequently contributing to ox-LDL-induced endothelial cell injury in AS.
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Affiliation(s)
- Fang Liu
- Department of Cardiology, Hanchuan People's Hospital, Hanchuan City, Hubei, China
| | - Bo Gao
- Department of Cardiology, Hanchuan People's Hospital, Hanchuan City, Hubei, China
| | - Yu Wang
- Department of Cardiology, Hanchuan People's Hospital, Hanchuan City, Hubei, China
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Zhang Z, Qin S, Wang R, Fang Z, Wang Y, Li F. Circ_0003575 knockdown alleviates ox-LDL-induced human aortic endothelial cell dysfunction in atherosclerosis by miR-637/TRAF6 axis. Clin Hemorheol Microcirc 2023; 85:173-187. [PMID: 37599528 DOI: 10.3233/ch-231858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
BACKGROUND Circular RNAs (circRNAs) are involved in the progression of atherosclerosis (AS). The present study aimed to determine the functions and mechanism of circ_0003575 in AS. METHODS Oxidized low-density lipoprotein (ox-LDL) was used to induce human aortic endothelial cells (HAECs) to establish an AS cell model. Cell Counting Kit-8 (CCK-8) assay and 5'-ethynyl-2'-deoxyuridine (EdU) assay were conducted to assess cell proliferation. Flow cytometry analysis was utilized to quantify cell apoptosis. Tube formation assay was performed to analyze angiogenesis ability. Enzyme linked immunosorbent assay (ELISA) was used to examine the concentrations of inflammatory factors. Quantitative real-time polymerase chain reaction (qRT-PCR) and western blot were manipulated for the expression of circ_0003575, microRNA-637 (miR-637) and TNF receptor associated factor 6 (TRAF6). Dual-luciferase reporter assay and RNA immunoprecipitation (RIP) assay were adopted to estimate the downstream targets of circ_0003575. RESULTS Ox-LDL treatment repressed the proliferation and angiogenesis and promoted the apoptosis and inflammation in HAECs. Circ_0003575 knockdown ameliorated ox-LDL-induced injury of HAECs. Circ_0003575 interacted with mi-R-637, which directly targeted TRAF6. Inhibition of miR-637 reversed the impacts of circ_0003575 knockdown on HAEC injury. Moreover, miR-637 overexpression promoted cell proliferation and angiogenesis and inhibited cell apoptosis and inflammation by targeting TRAF6 in ox-LDL-treated HAECs. Further, circ_0003575 silencing inhibited the activation of NF-κB pathway. CONCLUSION Circ_0003575 knockdown alleviated ox-LDL-induced HAEC damage by regulating miR-637/TRAF6 and NF-κB pathways.
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Affiliation(s)
- Zhanshuai Zhang
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Hebei North University, Zhangjiakou City, Hebei, China
| | - Shaoqiang Qin
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Hebei North University, Zhangjiakou City, Hebei, China
| | - Rui Wang
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Hebei North University, Zhangjiakou City, Hebei, China
| | - Zhiqin Fang
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Hebei North University, Zhangjiakou City, Hebei, China
| | - Yaling Wang
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Hebei North University, Zhangjiakou City, Hebei, China
| | - Fangjiang Li
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Hebei North University, Zhangjiakou City, Hebei, China
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Liu Z, Zhou Y, Xia J. CircRNAs: Key molecules in the prevention and treatment of ischemic stroke. Biomed Pharmacother 2022; 156:113845. [DOI: 10.1016/j.biopha.2022.113845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/30/2022] [Accepted: 10/06/2022] [Indexed: 11/25/2022] Open
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PCSK9 pathway-noncoding RNAs crosstalk: Emerging opportunities for novel therapeutic approaches in inflammatory atherosclerosis. Int Immunopharmacol 2022; 113:109318. [DOI: 10.1016/j.intimp.2022.109318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/30/2022] [Accepted: 10/03/2022] [Indexed: 11/05/2022]
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Margiana R, Alsaikhan F, Al-Awsi GRL, Patra I, Sivaraman R, Fadhil AA, Al-Baghdady HFA, Qasim MT, Hameed NM, Mustafa YF, Hosseini-Fard S. Functions and therapeutic interventions of non-coding RNAs associated with TLR signaling pathway in atherosclerosis. Cell Signal 2022; 100:110471. [PMID: 36122884 DOI: 10.1016/j.cellsig.2022.110471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/11/2022] [Accepted: 09/13/2022] [Indexed: 11/24/2022]
Abstract
Nowadays, emerging data demonstrate that the toll-like receptor (TLR) signaling pathway plays an important role in the progression of inflammatory atherosclerosis. Indeed, dysregulated TLR signaling pathway could be a cornerstone of inflammation and atherosclerosis, which contributes to the development of cardiovascular diseases. It is interesting to note that this pathway is heavily controlled by several mechanisms, such as epigenetic factors in which the role of non-coding RNAs (ncRNAs), particularly microRNAs and long noncoding RNAs as well as circular RNAs in the pathogenesis of atherosclerosis has been well studied. Recent years have seen a significant surge in the amount of research exploring the interplay between ncRNAs and TLR signaling pathway downstream targets in the development of atherosclerosis; however, there is still considerable room for improvement in this field. The current study was designed to review underlying mechanisms of TLR signaling pathway and ncRNA interactions to shed light on therapeutic implications in patients with atherosclerosis.
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Affiliation(s)
- Ria Margiana
- Department of Anatomy, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Master's Programme Biomedical Sciences, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Dr. Soetomo General Academic Hospital, Surabaya, Jakarta, Indonesia
| | - Fahad Alsaikhan
- College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia.
| | | | - Indrajit Patra
- An Independent Researcher, PhD from NIT Durgapur, Durgapur, West Bengal, India
| | - Ramaswamy Sivaraman
- Dwaraka Doss Goverdhan Doss Vaishnav College, University of Madras, Arumbakkam, Chennai, India
| | | | | | - Maytham T Qasim
- Department of Anesthesia, College of Health and Medical Technololgy, Al-Ayen University, Thi-Qar, Iraq
| | - Noora M Hameed
- Anesthesia techniques, Al-Nisour University College, Baghdad, Iraq
| | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul 41001, Iraq
| | - Seyedreza Hosseini-Fard
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Mei R, Wu M, Ren F. Knockdown of circ_0002194 protects against oxidized low-density lipoprotein-induced cell damage via the regulation of the miR-637/PACS2 axis in human vascular endothelial cells. Interact Cardiovasc Thorac Surg 2022; 35:6661350. [PMID: 35951762 PMCID: PMC9479890 DOI: 10.1093/icvts/ivac210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Revised: 07/11/2022] [Accepted: 08/09/2022] [Indexed: 11/13/2022] Open
Abstract
Abstract
OBJECTIVES
Atherosclerosis is one of the most common cardiovascular diseases. The functional roles of circular (circ) RNAs have been discovered in atherosclerosis. Our goal was to explore the regulation and mechanism of circ_0002194 in oxidized low-density lipoprotein-induced human vascular endothelial cells.
METHODS
Circ_0002194, microRNA-637 (miR-637) and phosphofurin acidic cluster sorting protein 2 (PACS2) levels were determined through the reverse transcription-quantitative polymerase chain reaction. Cell viability was detected using the Cell Counting Kit-8 assay, and angiogenetic ability was analysed via the tube formation assay. Flow cytometry was used to measure cell apoptosis. Western blot was performed to examine protein expression. Oxidative stress was assessed using commercial kits. The RNA immunoprecipitation assay and dual-luciferase reporter assay were conducted for target analysis.
RESULTS
Treatment with oxidized low-density lipoprotein induced the upregulation of circ_0002194 in endothelial cells. Cell viability and angiogenesis were promoted while cell apoptosis and oxidative stress were reduced by the downregulation of circ_0002194 in the cell model. Furthermore, miR-637 was identified as an miRNA target of circ_0002194, and the regulatory role of circ_0002194 was associated with the sponge effect on miR-637. Moreover, circ_0002194 could regulate PACS2 by affecting miR-637. Additionally, miR-637 suppressed endothelial cell damage by partly mediating the expression of PACS2.
CONCLUSIONS
The results demonstrated that circ_0002194 facilitated endothelial cell dysfunction in atherosclerosis partly through upregulating PACS2 by targeting miR-637.
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Affiliation(s)
- Ruyang Mei
- Department of Cardiovascular Medicine, First People's Hospital of Jingmen , Jingmen, Hubei, China
| | - Mei Wu
- Department of Gastroenterology, First People's Hospital of Jingmen , Jingmen, Hubei, China
| | - Fei Ren
- Department of Cardiovascular Medicine, First People's Hospital of Jingmen , Jingmen, Hubei, China
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Yu L, Xia K, Zhou J, Hu Z, Yin X, Zhou C, Zou S, Liu J. circ_0003204 regulates the osteogenic differentiation of human adipose-derived stem cells via miR-370-3p/HDAC4 axis. Int J Oral Sci 2022; 14:30. [PMID: 35729156 PMCID: PMC9213414 DOI: 10.1038/s41368-022-00184-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 05/22/2022] [Accepted: 05/26/2022] [Indexed: 02/08/2023] Open
Abstract
Human adipose-derived stem cells (hASCs) are a promising cell type for bone tissue regeneration. Circular RNAs (circRNAs) have been shown to play a critical role in regulating various cell differentiation and involve in mesenchymal stem cell osteogenesis. However, how circRNAs regulate hASCs in osteogenesis is still unclear. Herein, we found circ_0003204 was significantly downregulated during osteogenic differentiation of hASCs. Knockdown of circ_0003204 by siRNA or overexpression by lentivirus confirmed circ_0003204 could negatively regulate the osteogenic differentiation of hASCs. We performed dual-luciferase reporting assay and rescue experiments to verify circ_0003204 regulated osteogenic differentiation via sponging miR-370-3p. We predicted and confirmed that miR-370-3p had targets in the 3'-UTR of HDAC4 mRNA. The following rescue experiments indicated that circ_0003204 regulated the osteogenic differentiation of hASCs via miR-370-3p/HDAC4 axis. Subsequent in vivo experiments showed the silencing of circ_0003204 increased the bone formation and promoted the expression of osteogenic-related proteins in a mouse bone defect model, while overexpression of circ_0003204 inhibited bone defect repair. Our findings indicated that circ_0003204 might be a promising target to promote the efficacy of hASCs in repairing bone defects.
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Affiliation(s)
- Liyuan Yu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Kai Xia
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jing Zhou
- Department of Stomatology, Kunming Yan'an hospital, Kunming, China
| | - Zhiai Hu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xing Yin
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Chenchen Zhou
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shujuan Zou
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
| | - Jun Liu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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Jiang H, Zhou Y, Nabavi SM, Sahebkar A, Little PJ, Xu S, Weng J, Ge J. Mechanisms of Oxidized LDL-Mediated Endothelial Dysfunction and Its Consequences for the Development of Atherosclerosis. Front Cardiovasc Med 2022; 9:925923. [PMID: 35722128 PMCID: PMC9199460 DOI: 10.3389/fcvm.2022.925923] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 05/13/2022] [Indexed: 01/05/2023] Open
Abstract
Atherosclerosis is an immuno-metabolic disease involving chronic inflammation, oxidative stress, epigenetics, and metabolic dysfunction. There is compelling evidence suggesting numerous modifications including the change of the size, density, and biochemical properties in the low-density lipoprotein (LDL) within the vascular wall. These modifications of LDL, in addition to LDL transcytosis and retention, contribute to the initiation, development and clinical consequences of atherosclerosis. Among different atherogenic modifications of LDL, oxidation represents a primary modification. A series of pathophysiological changes caused by oxidized LDL (oxLDL) enhance the formation of foam cells and atherosclerotic plaques. OxLDL also promotes the development of fatty streaks and atherogenesis through induction of endothelial dysfunction, formation of foam cells, monocyte chemotaxis, proliferation and migration of SMCs, and platelet activation, which culminate in plaque instability and ultimately rupture. This article provides a concise review of the formation of oxLDL, enzymes mediating LDL oxidation, and the receptors and pro-atherogenic signaling pathways of oxLDL in vascular cells. The review also explores how oxLDL functions in different stages of endothelial dysfunction and atherosclerosis. Future targeted pathways and therapies aiming at reducing LDL oxidation and/or lowering oxLDL levels and oxLDL-mediated pro-inflammatory responses are also discussed.
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Affiliation(s)
- Hui Jiang
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Yongwen Zhou
- Department of Endocrinology, Institute of Endocrine and Metabolic Diseases, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Clinical Research Hospital of Chinese Academy of Sciences (Hefei), University of Science and Technology of China, Hefei, China
| | | | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Peter J. Little
- School of Health and Behavioural Sciences, Sunshine Coast Health Institute, University of the Sunshine Coast, Birtinya, QLD, Australia
| | - Suowen Xu
- Department of Endocrinology, Institute of Endocrine and Metabolic Diseases, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Clinical Research Hospital of Chinese Academy of Sciences (Hefei), University of Science and Technology of China, Hefei, China
- Suowen Xu ; orcid.org/0000-0002-5488-5217
| | - Jianping Weng
- Department of Endocrinology, Institute of Endocrine and Metabolic Diseases, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Clinical Research Hospital of Chinese Academy of Sciences (Hefei), University of Science and Technology of China, Hefei, China
- Jianping Weng ; orcid.org/0000-0002-7889-1697
| | - Jianjun Ge
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- *Correspondence: Jianjun Ge ; orcid.org/0000-0002-9424-6049
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Tong KL, Tan KE, Lim YY, Tien XY, Wong PF. CircRNA-miRNA interactions in atherogenesis. Mol Cell Biochem 2022; 477:2703-2733. [PMID: 35604519 DOI: 10.1007/s11010-022-04455-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 04/27/2022] [Indexed: 11/30/2022]
Abstract
Atherosclerosis is the major cause of coronary artery disease (CAD) which includes unstable angina, myocardial infarction, and heart failure. The onset of atherogenesis, a process of atherosclerotic lesion formation in the intima of arteries, is driven by lipid accumulation, a vicious cycle of reactive oxygen species (ROS)-induced oxidative stress and inflammatory reactions leading to endothelial cell (EC) dysfunction, vascular smooth muscle cell (VSMC) activation, and foam cell formation which further fuel plaque formation and destabilization. In recent years, there is a surge in the number of publications reporting the involvement of circular RNAs (circRNAs) in the pathogenesis of cardiovascular diseases, cancers, and metabolic syndromes. These studies have advanced our understanding on the biological functions of circRNAs. One of the most common mechanism of action of circRNAs reported is the sponging of microRNAs (miRNAs) by binding to the miRNAs response element (MRE), thereby indirectly increases the transcription of their target messenger RNAs (mRNAs). Individual networks of circRNA-miRNA-mRNA associated with atherogenesis have been extensively reported, however, there is a need to connect these findings for a complete overview. This review aims to provide an update on atherogenesis-related circRNAs and analyze the circRNA-miRNA-mRNA interactions in atherogenesis. The atherogenic mechanisms and clinical relevance of each atherogenesis-related circRNA were systematically discussed for better understanding of the knowledge gap in this area.
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Affiliation(s)
- Kind-Leng Tong
- Department of Pharmacology, Faculty of Medicine, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
| | - Ke-En Tan
- Institute of Biological Sciences, Faculty of Science, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
| | - Yat-Yuen Lim
- Institute of Biological Sciences, Faculty of Science, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
| | - Xin-Yi Tien
- Department of Pharmacology, Faculty of Medicine, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
| | - Pooi-Fong Wong
- Department of Pharmacology, Faculty of Medicine, Universiti Malaya, 50603, Kuala Lumpur, Malaysia.
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Kai H, Wu Q, Yin R, Tang X, Shi H, Wang T, Zhang M, Pan C. LncRNA NORAD Promotes Vascular Endothelial Cell Injury and Atherosclerosis Through Suppressing VEGF Gene Transcription via Enhancing H3K9 Deacetylation by Recruiting HDAC6. Front Cell Dev Biol 2021; 9:701628. [PMID: 34307380 PMCID: PMC8301222 DOI: 10.3389/fcell.2021.701628] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 06/08/2021] [Indexed: 11/15/2022] Open
Abstract
Coronary artery disease (CAD) is a major atherosclerotic cardiovascular disease and the leading cause of mortality globally. Long non-coding RNAs (lncRNAs) play crucial roles in CAD development. To date, the effect of lncRNA non-coding RNA activated by DNA damage (NORAD) on atherosclerosis in CAD remains unclear. The primary aim of this study was to investigate the effect of lncRNA NORAD on vascular endothelial cell injury and atherosclerosis. Here, ox-LDL-treated human umbilical vein endothelial cells (HUVECs) and high-fat-diet (HFD)-fed ApoE–/– mice were utilized as in vitro and in vivo models. The present study found that lncRNA NORAD expression was increased in ox-LDL-treated HUVECs and thoracic aorta of atherosclerotic mice, and knockdown of lncRNA NORAD alleviated vascular endothelial cell injury and atherosclerosis development in vitro and in vivo. Knockdown of lncRNA NORAD aggravated ox-LDL-reduced or atherosclerosis-decreased vascular endothelial growth factor (VEGF) expression in HUVECs and thoracic aorta of mice to ameliorate vascular endothelial cell injury and atherosclerosis development. Moreover, nucleus lncRNA NORAD suppressed VEGF gene transcription through enhancing H3K9 deacetylation via recruiting HDAC6 to the VEGF gene promoter in ox-LDL-treated HUVECs. In addition, VEGF reduced FUS (FUS RNA binding protein) expression by a negative feedback regulation in HUVECs. In summary, lncRNA NORAD enhanced vascular endothelial cell injury and atherosclerosis through suppressing VEGF gene transcription via enhancing H3K9 deacetylation by recruiting HDAC6. The findings could facilitate discovering novel diagnostic markers and therapeutic targets for CAD.
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Affiliation(s)
- Huihua Kai
- Department of Radiology, Changzhou Second People's Hospital Affiliated to Nanjing Medical University, Changzhou, China
| | - Qiyong Wu
- Department of Thoracic and Cardiac Surgery, Changzhou Second People's Hospital Affiliated to Nanjing Medical University, Changzhou, China
| | - Ruohan Yin
- Department of Radiology, Changzhou Second People's Hospital Affiliated to Nanjing Medical University, Changzhou, China
| | - Xiaoqiang Tang
- Department of Radiology, Changzhou Second People's Hospital Affiliated to Nanjing Medical University, Changzhou, China
| | - Haifeng Shi
- Department of Radiology, Changzhou Second People's Hospital Affiliated to Nanjing Medical University, Changzhou, China
| | - Tao Wang
- Department of Radiology, Changzhou Second People's Hospital Affiliated to Nanjing Medical University, Changzhou, China
| | - Ming Zhang
- Department of Radiology, Changzhou Second People's Hospital Affiliated to Nanjing Medical University, Changzhou, China
| | - Changjie Pan
- Department of Radiology, Changzhou Second People's Hospital Affiliated to Nanjing Medical University, Changzhou, China
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