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Huang C, Han X, Yang L, Song W, Zhang H, Zhu X, Huang G, Xu J. Exosomal miR-129 and miR-342 derived from intermittent hypoxia-stimulated vascular smooth muscle cells inhibit the eIF2α/ATF4 axis from preventing calcified aortic valvular disease. J Cell Commun Signal 2023:10.1007/s12079-023-00785-4. [PMID: 37812275 DOI: 10.1007/s12079-023-00785-4] [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: 04/20/2023] [Accepted: 09/01/2023] [Indexed: 10/10/2023] Open
Abstract
This study aims to elucidate the role of miR-129/miR-342 loaded in exosomes derived from vascular smooth muscle cells (VSMCs) stimulated by intermittent hypoxia in calcified aortic valvular disease (CAVD). Bioinformatics analysis was conducted to identify differentially expressed miRs in VSMCs-derived exosomes and CAVD samples, and their potential target genes were predicted. VSMCs were exposed to intermittent hypoxia to induce stimulation, followed by isolation of exosomes. Valvular interstitial cells (VICs) were cultured in vitro to investigate the impact of miR-129/miR-342 on VICs' osteogenic differentiation and aortic valve calcification with eIF2α. A CAVD mouse model was established using ApoE knockout mice for in vivo validation. In CAVD samples, miR-129 and miR-342 were downregulated, while eIF2α and ATF4 were upregulated. miR-129 and miR-342 exhibited inhibitory effects on eIF2α through targeted regulation. Exosomes released from intermittently hypoxia-stimulated VSMCs contained miR-129 and miR-342. Overexpression of miR-129 and miR-342, or silencing ATF4, suppressed VICs' osteogenic differentiation and aortic valve calcification, which could be rescued by overexpressed eIF2α. Collectively, intermittent hypoxia stimulation of VSMCs leads to the secretion of exosomes that activate the miR-129/miR-342 dual pathway, thereby inhibiting the eIF2α/ATF4 axis and attenuating VICs' osteogenic differentiation and CAVD progression.
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Affiliation(s)
- Chen Huang
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Zhengzhou University, No.1, Jianshe East Road, Erqi Distrcit, Zhengzhou, 450000, Henan Province, China
| | - Xu Han
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Zhengzhou University, No.1, Jianshe East Road, Erqi Distrcit, Zhengzhou, 450000, Henan Province, China
| | - Linjie Yang
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Zhengzhou University, No.1, Jianshe East Road, Erqi Distrcit, Zhengzhou, 450000, Henan Province, China
| | - Wei Song
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Zhengzhou University, No.1, Jianshe East Road, Erqi Distrcit, Zhengzhou, 450000, Henan Province, China
| | - Hualu Zhang
- Department of Physiology and Pathophysiology, Tianjin Medical University, Tianjin, 300070, China
| | - Xiaohua Zhu
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Zhengzhou University, No.1, Jianshe East Road, Erqi Distrcit, Zhengzhou, 450000, Henan Province, China
| | - Gongcheng Huang
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Zhengzhou University, No.1, Jianshe East Road, Erqi Distrcit, Zhengzhou, 450000, Henan Province, China
| | - Jing Xu
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Zhengzhou University, No.1, Jianshe East Road, Erqi Distrcit, Zhengzhou, 450000, Henan Province, China.
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microRNAs Associated with Carotid Plaque Development and Vulnerability: The Clinician's Perspective. Int J Mol Sci 2022; 23:ijms232415645. [PMID: 36555285 PMCID: PMC9779323 DOI: 10.3390/ijms232415645] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 12/07/2022] [Indexed: 12/14/2022] Open
Abstract
Ischemic stroke (IS) related to atherosclerosis of large arteries is one of the leading causes of mortality and disability in developed countries. Atherosclerotic internal carotid artery stenosis (ICAS) contributes to 20% of all cerebral ischemia cases. Nowadays, atherosclerosis prevention and treatment measures aim at controlling the atherosclerosis risk factors, or at the interventional (surgical or endovascular) management of mature occlusive lesions. There is a definite lack of the established circulating biomarkers which, once modulated, could prevent development of atherosclerosis, and consequently prevent the carotid-artery-related IS. Recent studies emphasize that microRNA (miRNA) are the emerging particles that could potentially play a pivotal role in this approach. There are some research studies on the association between the expression of small non-coding microRNAs with a carotid plaque development and vulnerability. However, the data remain inconsistent. In addition, all major studies on carotid atherosclerotic plaque were conducted on cell culture or animal models; very few were conducted on humans, whereas the accumulating evidence demonstrates that it cannot be automatically extrapolated to processes in humans. Therefore, this paper aims to review the current knowledge on how miRNA participate in the process of carotid plaque formation and rupture, as well as stroke occurrence. We discuss potential target miRNA that could be used as a prognostic or therapeutic tool.
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Zhao X, Liu H, Pan Y, Liu Y, Zhang F, Ao H, Zhang J, Xing K, Wang C. Identification of Potential Candidate Genes From Co-Expression Module Analysis During Preadipocyte Differentiation in Landrace Pig. Front Genet 2022; 12:753725. [PMID: 35178067 PMCID: PMC8843850 DOI: 10.3389/fgene.2021.753725] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 12/08/2021] [Indexed: 12/12/2022] Open
Abstract
Preadipocyte differentiation plays an important role in lipid deposition and affects fattening efficiency in pigs. In the present study, preadipocytes isolated from the subcutaneous adipose tissue of three Landrace piglets were induced into mature adipocytes in vitro. Gene clusters associated with fat deposition were investigated using RNA sequencing data at four time points during preadipocyte differentiation. Twenty-seven co-expression modules were subsequently constructed using weighted gene co-expression network analysis. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analyses revealed three modules (blue, magenta, and brown) as being the most critical during preadipocyte differentiation. Based on these data and our previous differentially expressed gene analysis, angiopoietin-like 4 (ANGPTL4) was identified as a key regulator of preadipocyte differentiation and lipid metabolism. After inhibition of ANGPTL4, the expression of adipogenesis-related genes was reduced, except for that of lipoprotein lipase (LPL), which was negatively regulated by ANGPTL4 during preadipocyte differentiation. Our findings provide a new perspective to understand the mechanism of fat deposition.
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Affiliation(s)
- Xitong Zhao
- Beijing Shunxin Agriculture Co., Ltd., Beijing, China.,China Agricultural University, Beijing, China
| | - Huatao Liu
- China Agricultural University, Beijing, China
| | - Yongjie Pan
- Beijing Shunxin Agriculture Co., Ltd., Beijing, China
| | - Yibing Liu
- China Agricultural University, Beijing, China
| | | | - Hong Ao
- Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jibin Zhang
- City of Hope National Medical Center, Duarte, CA, United States
| | - Kai Xing
- Beijing University of Agriculture, Beijing, China
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Ke W, Chen Y, Zheng L, Zhang Y, Wu Y, Li L. miR-134-5p promotes inflammation and apoptosis of trophoblast cells via regulating FOXP2 transcription in gestational diabetes mellitus. Bioengineered 2022; 13:319-330. [PMID: 34969354 PMCID: PMC8805916 DOI: 10.1080/21655979.2021.2001219] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/27/2021] [Accepted: 10/28/2021] [Indexed: 02/05/2023] Open
Abstract
Gestational diabetes mellitus (GDM) is a prevalent and risky pregnant complication which warrants targeted therapy for restriction the inflammation and apoptosis of trophoblast cells. This study sought to analyze the aberrant expression and regulatory mechanism of microRNA (miR)-134-5p in GDM. The miR-134-5p expression in the serum of GDM patients and normal participants was detected via qRT-PCR, followed by receiver operating characteristic (ROC) curve analysis. In vitro GDM cell model was established in the HTR-8/SVneo cells using 25 mmol/L glucose, followed by transfection with miR-134-5p inhibitor and si-Forkhead box p2(FOXP2). The miR-134-5p and FOXP2 expressions, TNF-α, IL-1β, and IL-10 levels, cell proliferation, migration, and apoptosis were determined by a combination of qRT-PCR, western blot, ELISA, and cell counting Kit-8, Transwell assay, and flow cytometry. The binding relationship between miR-134-5p and FOXP2 was predicted and verified. Our results revealed that miR-134-5p was increased in the serum of GDM patients and could serve as a critical diagnostic marker for GDM. Moreover, miR-134-5p was upregulated in the high glucose (HG)-induced HTR-8/SVneo cells. The miR-134-5p inhibition suppressed the inflammation and apoptosis of HG-induced HTR-8/SVneo cells. miR-134-5p inhibited FOXP2 expression. FOXP2 expression was decreased in GDM. FOXP2 inhibition attenuated the function of miR-134-5p in HG-induced HTR-8/SVneo cells. Overall, miR-134-5p inhibited the FOXP2 expression to facilitate the inflammation and apoptosis of trophoblast cells, thereby exacerbating GDM.
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Affiliation(s)
- Weiqi Ke
- Department of Anesthesiology, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong Province, China
| | - Yixiang Chen
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong Province, China
| | - Lijing Zheng
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong Province, China
| | - Yuting Zhang
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong Province, China
| | - Yudan Wu
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong Province, China
| | - Li Li
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong Province, China
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Shantou University Medical College, No.57 Changping Road, Shantou, Guangdong Province, China
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Chen Y, Huang M, Xuan Y, Li K, Xu X, Wang L, Sun Y, Xiao L, Xu P, Kong W, Wang DW. Association between Lipid Levels and Risk for Different Types of Aneurysms: A Mendelian Randomization Study. J Pers Med 2021; 11:jpm11111171. [PMID: 34834523 PMCID: PMC8621501 DOI: 10.3390/jpm11111171] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 10/23/2021] [Accepted: 11/08/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Although the associations between serum lipid levels and aneurysms have been investigated in epidemiological studies, causality remains unknown. Thus, this study aimed to investigate the causal relationships of serum high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), total cholesterol (TC), and triglyceride (TG) levels on five types of aneurysms, using genetic variants associated with four lipid traits as instrumental variables in a Mendelian randomization (MR) analysis. METHODS We performed two-sample Mendelian randomization (MR) analyses to evaluate the associations of HDL-C, LDL-C, TC, and TG levels with risks for five types of aneurysms and those of LDL-C- (HMGCR, NPC1L1, PCSK9, CETP, and LDLR) and TG-lowering targets (ANGPTL3 and LPL) with aneurysms. RESULTS The sample sizes of the included studies ranged from nearly 80,000 to 410,000. We found inverse associations between genetically predicted HDL-C levels and aortic (OR = 0.74, 95% CI = 0.65-0.85) and abdominal aortic aneurysms (0.58, 0.45-0.75). A 1-SD increase in LDL-C and TC levels was associated with increased risks for aortic (1.41, 1.26-1.58 and 1.36, 1.18-1.56, respectively) and abdominal aortic aneurysms (1.82, 1.48-2.22 and 1.55, 1.25-1.93, respectively). TG levels were significantly associated with aortic (1.36, 1.18-1.56) and lower extremity artery aneurysms (2.76, 1.48-5.14), but limited to cerebral aneurysm (1.23, 1.06-1.42). Secondary analyses revealed a relationship between genetically proxied LDL-C-lowering targets and all types of aneurysms; however, the drug targets remained heterogeneous. We found a weak association between TG-lowering therapies and aortic (ANGPTL3, 0.51, 0.29-0.89) and abdominal aortic aneurysms (LPL, 0.64, 0.44-0.94). CONCLUSION According to genetic evidence, lipid dysfunction is a causal risk factor for aneurysms. Lipid-lowering drugs may be a potential effective strategy in preventing and managing aneurysms.
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Affiliation(s)
- Yanghui Chen
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Y.C.); (M.H.); (Y.X.); (K.L.); (X.X.); (L.W.); (Y.S.); (L.X.)
- Hubei Key Laboratory of Genetics and Molecular Mechanism of Cardiologic Disorders, Huazhong University of Science and Technology, Wuhan 430000, China
| | - Man Huang
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Y.C.); (M.H.); (Y.X.); (K.L.); (X.X.); (L.W.); (Y.S.); (L.X.)
- Hubei Key Laboratory of Genetics and Molecular Mechanism of Cardiologic Disorders, Huazhong University of Science and Technology, Wuhan 430000, China
| | - Yunling Xuan
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Y.C.); (M.H.); (Y.X.); (K.L.); (X.X.); (L.W.); (Y.S.); (L.X.)
- Hubei Key Laboratory of Genetics and Molecular Mechanism of Cardiologic Disorders, Huazhong University of Science and Technology, Wuhan 430000, China
| | - Ke Li
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Y.C.); (M.H.); (Y.X.); (K.L.); (X.X.); (L.W.); (Y.S.); (L.X.)
- Hubei Key Laboratory of Genetics and Molecular Mechanism of Cardiologic Disorders, Huazhong University of Science and Technology, Wuhan 430000, China
| | - Xin Xu
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Y.C.); (M.H.); (Y.X.); (K.L.); (X.X.); (L.W.); (Y.S.); (L.X.)
- Hubei Key Laboratory of Genetics and Molecular Mechanism of Cardiologic Disorders, Huazhong University of Science and Technology, Wuhan 430000, China
| | - Linlin Wang
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Y.C.); (M.H.); (Y.X.); (K.L.); (X.X.); (L.W.); (Y.S.); (L.X.)
- Hubei Key Laboratory of Genetics and Molecular Mechanism of Cardiologic Disorders, Huazhong University of Science and Technology, Wuhan 430000, China
| | - Yang Sun
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Y.C.); (M.H.); (Y.X.); (K.L.); (X.X.); (L.W.); (Y.S.); (L.X.)
- Hubei Key Laboratory of Genetics and Molecular Mechanism of Cardiologic Disorders, Huazhong University of Science and Technology, Wuhan 430000, China
| | - Lei Xiao
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Y.C.); (M.H.); (Y.X.); (K.L.); (X.X.); (L.W.); (Y.S.); (L.X.)
- Hubei Key Laboratory of Genetics and Molecular Mechanism of Cardiologic Disorders, Huazhong University of Science and Technology, Wuhan 430000, China
| | - Ping Xu
- Beijing Proteome Research Center, State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing 100000, China;
| | - Wei Kong
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Beijing 100000, China;
| | - Dao Wen Wang
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China; (Y.C.); (M.H.); (Y.X.); (K.L.); (X.X.); (L.W.); (Y.S.); (L.X.)
- Hubei Key Laboratory of Genetics and Molecular Mechanism of Cardiologic Disorders, Huazhong University of Science and Technology, Wuhan 430000, China
- Correspondence: ; Tel./Fax: +86-027-83663280
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Abstract
Triglyceride-rich lipoproteins deliver fatty acids to tissues for oxidation and for storage. Release of fatty acids from circulating lipoprotein triglycerides is carried out by lipoprotein lipase (LPL), thus LPL serves as a critical gatekeeper of fatty acid uptake into tissues. LPL activity is regulated by a number of extracellular proteins including three members of the angiopoietin-like family of proteins. In this review, we discuss our current understanding of how, where, and when ANGPTL3, ANGPTL4, and ANGPTL8 regulate lipoprotein lipase activity, with a particular emphasis on how these proteins interact with each other to coordinate triglyceride metabolism and fat partitioning.
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Affiliation(s)
- Kelli L Sylvers-Davie
- Department of Biochemistry, Fraternal Order of Eagles Diabetes Research Center, and Obesity Research and Education Initiative, University of Iowa, Iowa City, Iowa
| | - Brandon S J Davies
- Department of Biochemistry, Fraternal Order of Eagles Diabetes Research Center, and Obesity Research and Education Initiative, University of Iowa, Iowa City, Iowa
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Angiopoietin-like proteins in atherosclerosis. Clin Chim Acta 2021; 521:19-24. [PMID: 34153276 DOI: 10.1016/j.cca.2021.06.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 06/09/2021] [Accepted: 06/14/2021] [Indexed: 12/31/2022]
Abstract
Atherosclerosis, as a chronic inflammatory disease within the arterial wall, is a leading cause of morbidity and mortality worldwide due to its role in myocardial infarction, stroke and peripheral artery disease. Additional evidence is emerging that the angiopoietin-like (ANGPTL) family of proteins participate in the pathology of this disease process via endothelial dysfunction, inflammation, dyslipidemia, calcification, foam cell formation and platelet activation. This review summarizes current knowledge on the ANGPTL family of proteins in atherosclerosis related pathological processes. Moreover, the potential value of ANGPTL family proteins as predictive biomarkers in atherosclerosis is discussed. Given the attractive role of ANGPTL3, ANGPTL4, ANGPTL8 in atherosclerotic dyslipidemia via regulation of lipoprotein lipase (LPL), antisense oligonucleotide or/and monoclonal antibody-based inactivation of these proteins represent potential atherosclerotic therapies.
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Chong ZX, Yeap SK, Ho WY. Transfection types, methods and strategies: a technical review. PeerJ 2021; 9:e11165. [PMID: 33976969 PMCID: PMC8067914 DOI: 10.7717/peerj.11165] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 03/05/2021] [Indexed: 12/17/2022] Open
Abstract
Transfection is a modern and powerful method used to insert foreign nucleic acids into eukaryotic cells. The ability to modify host cells’ genetic content enables the broad application of this process in studying normal cellular processes, disease molecular mechanism and gene therapeutic effect. In this review, we summarized and compared the findings from various reported literature on the characteristics, strengths, and limitations of various transfection methods, type of transfected nucleic acids, transfection controls and approaches to assess transfection efficiency. With the vast choices of approaches available, we hope that this review will help researchers, especially those new to the field, in their decision making over the transfection protocol or strategy appropriate for their experimental aims.
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Affiliation(s)
- Zhi Xiong Chong
- School of Pharmacy, University of Nottingham Malaysia, Semenyih, Selangor, Malaysia
| | - Swee Keong Yeap
- China-ASEAN College of Marine Sciences, Xiamen University Malaysia, Sepang, Selangor, Malaysia
| | - Wan Yong Ho
- School of Pharmacy, University of Nottingham Malaysia, Semenyih, Selangor, Malaysia
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Angiogenesis regulation by microRNAs and long non-coding RNAs in human breast cancer. Pathol Res Pract 2021; 219:153326. [PMID: 33601152 DOI: 10.1016/j.prp.2020.153326] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 12/18/2020] [Accepted: 12/22/2020] [Indexed: 02/07/2023]
Abstract
MicroRNAs (miRNAs) and long non-coding RNAs (lncRNAs) are capable of regulating gene expression post-transcriptionally. Since the past decade, a number of in vitro, in vivo, and clinical studies reported the roles of these non-coding RNAs (ncRNAs) in regulating angiogenesis, an important cancer hallmark that is associated with metastases and poor prognosis. The specific roles of various miRNAs and lncRNAs in regulating angiogenesis in breast cancer, with particular focus on the downstream targets and signalling pathways regulated by these ncRNAs will be discussed in this review. In light of the recent trend in exploiting ncRNAs as cancer therapeutics, the potential use of miRNAs and lncRNAs as biomarkers and novel therapeutic agent against angiogenesis was also discussed.
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Li Z, Xin Z. Expression and significance of S-100β, CysC and NF-κB in patients with acute cerebral infarction. Exp Ther Med 2021; 21:149. [PMID: 33456516 PMCID: PMC7791921 DOI: 10.3892/etm.2020.9580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 10/20/2020] [Indexed: 01/21/2023] Open
Abstract
The present study aimed to explore the expression and significance of S100 protein β (S100β), cystatin C (CysC), and nuclear factor kappa B (NF-κB) in patients with acute cerebral infarction (ACI). ACI patients (n=120) were selected as the experimental group at Xuzhou Central Hospital from August 2016 to August 2018. Ninety healthy subjects who underwent a physical examination at Xuzhou Central Hospital during the same period were selected as the control group. The expression levels of S-100β, CysC and NF-κB were compared between the two groups. Serum S-100β, CysC and NF-κB levels were compared between ACI patients with different degree of nervous functional defects, different infarct size and different prognosis. ROC curve analysis was used for the diagnosis of ACI by serum S-100β, CysC and NF-κB levels. Serum S-100β, CysC and NF-κB levels in the experimental group were higher than those in the control group (P<0.05). The levels of serum S-100β, CysC and NF-κB in patients with different neurological deficits were significantly different. The levels of serum S-100β, CysC and NF-κB in the severe and medium type infarction group were significantly higher than those in the mild type infarction group (both P<0.05). The levels of serum S-100β, CysC and NF-κB in the severe type infarction group were higher than those in the medium type infarction group (P<0.05). There were significant differences in serum S-100β, CysC and NF-κB levels in patients with different infarct sizes. The levels of serum S-100β, CysC and NF-κB in patients with large and medium size infarction were higher than those in the small size infarction group (both P<0.05). The levels of serum S-100β, CysC and NF-κB in patients with large size infarction were higher than those in patients with medium size infarction (P<0.05). Serum S-100β, CysC and NF-κB levels in patients of the worsening group were significantly higher than those in patients of the non-worsening group. The levels of S-100β, CysC, NF-κB in ACI patients were significantly higher than those in healthy subjects. Increased levels of S-100β, CysC and NF-κB can be used as ideal indexes for diagnosing cerebral infarction and studying the condition.
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Affiliation(s)
- Zaili Li
- Department of Neurology, Xuzhou Central Hospital, Xuzhou, Jiangsu 221009, P.R. China
| | - Zaie Xin
- Department of Neurology, Xuzhou Central Hospital, Xuzhou, Jiangsu 221009, P.R. China
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Choe N, Shin S, Joung H, Ryu J, Kim YK, Ahn Y, Kook H, Kwon DH. The microRNA miR-134-5p induces calcium deposition by inhibiting histone deacetylase 5 in vascular smooth muscle cells. J Cell Mol Med 2020; 24:10542-10550. [PMID: 32783377 PMCID: PMC7521311 DOI: 10.1111/jcmm.15670] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 06/30/2020] [Accepted: 07/03/2020] [Indexed: 12/30/2022] Open
Abstract
Calcium deposition in vascular smooth muscle cells (VSMCs) is a form of ectopic ossification in blood vessels. It can result in rigidity of the vasculature and an increase in cardiac events. Here, we report that the microRNA miR‐134‐5p potentiates inorganic phosphate (Pi)‐induced calcium deposition in VSMCs by inhibiting histone deacetylase 5 (HDAC5). Using miRNA microarray analysis of Pi‐treated rat VSMCs, we first selected miR‐134‐5p for further evaluation. Quantitative RT‐PCR confirmed that miR‐134‐5p was increased in Pi‐treated A10 cells, a rat VSMC line. Transfection of miR‐134‐5p mimic potentiated the Pi‐induced increase in calcium contents. miR‐134‐5p increased the amounts of bone runt‐related transcription factor 2 (RUNX2) protein and bone morphogenic protein 2 (BMP2) mRNA in the presence of Pi but decreased the expression of osteoprotegerin (OPG). Bioinformatic analysis showed that the HDAC5 3′untranslated region (3′UTR) was one of the targets of miR‐134‐5p. The luciferase construct containing the 3′UTR of HDAC5 was down‐regulated by miR‐134‐5p mimic in a dose‐dependent manner in VSMCs. Overexpression of HDAC5 mitigated the calcium deposition induced by miR‐134‐5p. Our results suggest that a Pi‐induced increase of miR‐134‐5p may cause vascular calcification through repression of HDAC5.
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Affiliation(s)
- Nakwon Choe
- Department of Pharmacology, Chonnam National University Medical School, Hwasun, Republic of Korea
| | - Sera Shin
- Department of Pharmacology, Chonnam National University Medical School, Hwasun, Republic of Korea
| | - Hosouk Joung
- Department of Pharmacology, Chonnam National University Medical School, Hwasun, Republic of Korea
| | - Juhee Ryu
- Department of Pharmacology, Chonnam National University Medical School, Hwasun, Republic of Korea
| | - Young-Kook Kim
- Department of Biochemistry, Chonnam National University Medical School, Hwasun, Republic of Korea
| | - Youngkeun Ahn
- Department of Cardiology, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Hyun Kook
- Department of Pharmacology, Chonnam National University Medical School, Hwasun, Republic of Korea
| | - Duk-Hwa Kwon
- Department of Pharmacology, Chonnam National University Medical School, Hwasun, Republic of Korea
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12
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Lightbody RJ, Taylor JMW, Dempsie Y, Graham A. MicroRNA sequences modulating inflammation and lipid accumulation in macrophage “foam” cells: Implications for atherosclerosis. World J Cardiol 2020; 12:303-333. [PMID: 32843934 PMCID: PMC7415235 DOI: 10.4330/wjc.v12.i7.303] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 06/03/2020] [Accepted: 06/10/2020] [Indexed: 02/06/2023] Open
Abstract
Accumulation of macrophage “foam” cells, laden with cholesterol and cholesteryl ester, within the intima of large arteries, is a hallmark of early “fatty streak” lesions which can progress to complex, multicellular atheromatous plaques, involving lipoproteins from the bloodstream and cells of the innate and adaptive immune response. Sterol accumulation triggers induction of genes encoding proteins mediating the atheroprotective cholesterol efflux pathway. Within the arterial intima, however, this mechanism is overwhelmed, leading to distinct changes in macrophage phenotype and inflammatory status. Over the last decade marked gains have been made in understanding of the epigenetic landscape which influence macrophage function, and in particular the importance of small non-coding micro-RNA (miRNA) sequences in this context. This review identifies some of the miRNA sequences which play a key role in regulating “foam” cell formation and atherogenesis, highlighting sequences involved in cholesterol accumulation, those influencing inflammation in sterol-loaded cells, and novel sequences and pathways which may offer new strategies to influence macrophage function within atherosclerotic lesions.
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Affiliation(s)
- Richard James Lightbody
- Department of Biological and Biomedical Sciences, School of Health and Life Sciences, Glasgow Caledonian University, Glasgow G4 0BA, United Kingdom
| | - Janice Marie Walsh Taylor
- Department of Biological and Biomedical Sciences, School of Health and Life Sciences, Glasgow Caledonian University, Glasgow G4 0BA, United Kingdom
| | - Yvonne Dempsie
- Department of Biological and Biomedical Sciences, School of Health and Life Sciences, Glasgow Caledonian University, Glasgow G4 0BA, United Kingdom
| | - Annette Graham
- Department of Biological and Biomedical Sciences, School of Health and Life Sciences, Glasgow Caledonian University, Glasgow G4 0BA, United Kingdom
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13
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Fasolo F, Di Gregoli K, Maegdefessel L, Johnson JL. Non-coding RNAs in cardiovascular cell biology and atherosclerosis. Cardiovasc Res 2020; 115:1732-1756. [PMID: 31389987 DOI: 10.1093/cvr/cvz203] [Citation(s) in RCA: 125] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 07/14/2019] [Accepted: 08/05/2019] [Indexed: 02/07/2023] Open
Abstract
Atherosclerosis underlies the predominant number of cardiovascular diseases and remains a leading cause of morbidity and mortality worldwide. The development, progression and formation of clinically relevant atherosclerotic plaques involves the interaction of distinct and over-lapping mechanisms which dictate the roles and actions of multiple resident and recruited cell types including endothelial cells, vascular smooth muscle cells, and monocyte/macrophages. The discovery of non-coding RNAs (ncRNAs) including microRNAs, long non-coding RNAs, and circular RNAs, and their identification as key mechanistic regulators of mRNA and protein expression has piqued interest in their potential contribution to atherosclerosis. Accruing evidence has revealed ncRNAs regulate pivotal cellular and molecular processes during all stages of atherosclerosis including cell invasion, growth, and survival; cellular uptake and efflux of lipids, expression and release of pro- and anti-inflammatory intermediaries, and proteolytic balance. The expression profile of ncRNAs within atherosclerotic lesions and the circulation have been determined with the aim of identifying individual or clusters of ncRNAs which may be viable therapeutic targets alongside deployment as biomarkers of atherosclerotic plaque progression. Consequently, numerous in vivo studies have been convened to determine the effects of moderating the function or expression of select ncRNAs in well-characterized animal models of atherosclerosis. Together, clinicopathological findings and studies in animal models have elucidated the multifaceted and frequently divergent effects ncRNAs impose both directly and indirectly on the formation and progression of atherosclerosis. From these findings' potential novel therapeutic targets and strategies have been discovered which may pave the way for further translational studies and possibly taken forward for clinical application.
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Affiliation(s)
- Francesca Fasolo
- Department of Vascular and Endovascular Surgery, Klinikum rechts der Isar-Technical University Munich, Biedersteiner Strasse 29, Munich, Germany
| | - Karina Di Gregoli
- Laboratory of Cardiovascular Pathology, Bristol Medical School, University of Bristol, Bristol, UK
| | - Lars Maegdefessel
- Department of Vascular and Endovascular Surgery, Klinikum rechts der Isar-Technical University Munich, Biedersteiner Strasse 29, Munich, Germany.,Molecular Vascular Medicine, Karolinska Institute, Center for Molecular Medicine L8:03, 17176 Stockholm, Sweden.,German Center for Cardiovascular Research (DZHK), Partner Site Munich (Munich Heart Alliance), Munich, Germany
| | - Jason L Johnson
- Laboratory of Cardiovascular Pathology, Bristol Medical School, University of Bristol, Bristol, UK
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14
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Transcriptomic analysis reveals the role of a peptide derived from CRYAB on the CoCl 2-induced hypoxic HL-1 cardiomyocytes. J Thromb Thrombolysis 2020; 51:265-276. [PMID: 32621152 DOI: 10.1007/s11239-020-02117-4] [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] [Indexed: 10/23/2022]
Abstract
Acute myocardial infarction (AMI) is a life-threatening disease that often results in heart failure. CRYAB, a small heat shock protein, has been shown to have cardioprotective effects against oxidative stress-induced apoptosis in AMI. Previously, we purified a peptide derived from CRYAB (LEDQFFGEH), which we named PDFC. In this study, we determined the function of PDFC on HL-1 cardiomyocytes and explored the mechanism underlying its function. A hypoxic myocardiocyte cell line was generated by stimulation of HL-1 mouse cardiac muscle cells with different concentrations of CoCl2. Then, the hypoxic HL-1 cells were treated with the synthetic PDFC peptide, and cell proliferation, migration, and apoptosis were assessed to examine the effects of PDFC on HL-1 and hypoxic HL-1 cells. To examine the mechanism underlying the effects of PDFC on hypoxic cells, PDFC-treated hypoxic HL-1 cells were submitted for deep RNA sequencing. Finally, several differentially expressed genes in different pathways were selected for confirmation by RT-qPCR. Hypoxic myocardiocytes were generated by stimulating HL-1 cells with 800 µM CoCl2 for 24 h, which significantly upregulated HIF-1α. PDFC at 200 µg/ml showed the most positive effects on cell viability. Although hypoxic HL-1 cells and PDFC-treated hypoxic HL-1 cells both showed lower viability and migration and higher levels of apoptosis than untreated HL-1 cells, compared to hypoxic HL-1 cells, PDFC-treated hypoxic HL-1 cells showed higher viability and migration and lower apoptosis. The deep sequencing showed that 812 genes were upregulated and 1946 genes were downregulated. Among these differentially expressed genes, 699 of the upregulated genes and 1488 of the downregulated genes were protein-coding genes. Gene ontology and pathway enrichment analysis showed that the downregulated genes were dominant and that the PI3K-Akt pathway was located in the center of the network. A protein-protein interaction network was constructed, and 892 nodes were determined. In PDFC-treated hypoxic HL-1 cells, Fn1, Pik3r5, and Creb5 were downregulated, while Insr, Bcl2, Mapk14, and Pten were upregulated when compared to the levels in hypoxic HL-1 cells. In conclusion, this study reveals the significant bioactive effect of the CRYAB-derived peptide, PDFC on cardiomyocytes and the underlying mechanism.
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15
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Jafarzadeh-Esfehani R, Mostafa Parizadeh S, Sabeti Aghabozorgi A, Yavari N, Sadr-Nabavi A, Alireza Parizadeh S, Ghandehari M, Javanbakht A, Rezaei-Kalat A, Mahdi Hassanian S, Vojdanparast M, Ferns GA, Khazaei M, Avan A. Circulating and tissue microRNAs as a potential diagnostic biomarker in patients with thrombotic events. J Cell Physiol 2020; 235:6393-6403. [PMID: 32198752 DOI: 10.1002/jcp.29639] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 01/30/2020] [Indexed: 12/13/2022]
Abstract
Venous and arterial thrombosis are conditions that have a considerable burden if left untreated. The hypoxia-induced by the occluded vessel can disrupt the circulation of any organ, the cornerstone of treating thrombosis is rapid diagnosis and appropriate treatment. Diagnosis of thrombosis may be made by using laboratory tests or imaging techniques in individuals who have clinical manifestations of a thrombotic event. The use of serum micro ribonucleic acids (RNAs) has recently been applied to the diagnosis of thrombosis. These small RNA molecules are emerging as new diagnostic markers but have had very limited applications in vascular disease. Most of the articles provided various microRNAs with different levels of accuracy. However, there remains a lack of an appropriate panel of the most specific microRNA in the literature. The purpose of the present review was to summarize the existing data on the use of microRNAs as a diagnostic biomarker for venous thrombosis.
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Affiliation(s)
- Reza Jafarzadeh-Esfehani
- Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Mostafa Parizadeh
- Department of Physiology, Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Physiology, Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Negar Yavari
- Department of Physiology, Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ariane Sadr-Nabavi
- Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Alireza Parizadeh
- Department of Physiology, Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maryam Ghandehari
- Department of Physiology, Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Physiology, Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Afsane Javanbakht
- Department of Physiology, Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Physiology, Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Afsaneh Rezaei-Kalat
- Department of Psychiatry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Mahdi Hassanian
- Department of Physiology, Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Vojdanparast
- Department of Cardiovascular Diseases, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gordon A Ferns
- Division of Medical Education, Brighton & Sussex Medical School, Brighton, UK
| | - Majid Khazaei
- Department of Physiology, Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Physiology, Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir Avan
- Department of Physiology, Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Physiology, Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
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16
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Hurt-Camejo E. ANGPTL3, PCSK9, and statin therapy drive remarkable reductions in hyperlipidemia and atherosclerosis in a mouse model. J Lipid Res 2020; 61:272-274. [PMID: 31980481 DOI: 10.1194/jlr.c120000650] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Eva Hurt-Camejo
- Translational Science & Experimental Medicine Research and Early Development, Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, Gothenburg 431 83 Sweden; and Division of Vascular Surgery, Department of Molecular Medicine and Surgery, Karolinska Institutet, BioClinicum, 171 64 Solna, Sweden
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17
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Li J, Li L, Guo D, Li S, Zeng Y, Liu C, Fu R, Huang M, Xie W. Triglyceride metabolism and angiopoietin-like proteins in lipoprotein lipase regulation. Clin Chim Acta 2020; 503:19-34. [PMID: 31923423 DOI: 10.1016/j.cca.2019.12.029] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 12/31/2019] [Accepted: 12/31/2019] [Indexed: 12/21/2022]
Abstract
Hypertriglyceridemia is a risk factor for a series of diseases, such as cardiovascular disease (CVD), diabetes and nonalcoholic fatty liver disease (NAFLD). Angiopoietin-like proteins (ANGPTLs) family, especially ANGPTL3, ANGPTL4 and ANGPTL8, which regulate lipoprotein lipase (LPL) activity, play pivotal roles in triglyceride (TG) metabolism and related diseases/complications. There are many transcriptional and post-transcriptional factors that participate in physiological and pathological regulation of ANGPTLs to affect triglyceride metabolism. This review is intended to focus on the similarity and difference in the expression, structural features, regulation profile of the three ANGPTLs and inhibitory models for LPL. Description of the regulatory factors of ANGPTLs and the properties in regulating the lipid metabolism involved in the underlying mechanisms in pathological effects on diseases will provide potential therapeutic approaches for the treatment of dyslipidemia related diseases.
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Affiliation(s)
- Jing Li
- Clinical Anatomy & Reproductive Medicine Application Institute, University of South China, Hengyang 421001, Hunan, China; 2016 Class of Clinical Medicine, University of South China, Hengyang 421001, Hunan, China
| | - Liang Li
- Department of Pathophysiology, University of South China, Hengyang 421001, Hunan, China
| | - DongMing Guo
- Clinical Anatomy & Reproductive Medicine Application Institute, University of South China, Hengyang 421001, Hunan, China
| | - SuYun Li
- Clinical Anatomy & Reproductive Medicine Application Institute, University of South China, Hengyang 421001, Hunan, China
| | - YuXin Zeng
- 2018 Class of Excellent Doctor, University of South China, Hengyang 421001, Hunan, China
| | - ChuHao Liu
- Clinical Anatomy & Reproductive Medicine Application Institute, University of South China, Hengyang 421001, Hunan, China; 2016 Class of Clinical Medicine, University of South China, Hengyang 421001, Hunan, China
| | - Ru Fu
- Clinical Anatomy & Reproductive Medicine Application Institute, University of South China, Hengyang 421001, Hunan, China; 2016 Class of Clinical Medicine, University of South China, Hengyang 421001, Hunan, China
| | - MengQian Huang
- 2015 Class of Clinical Medicine, Fuxing Hospital, Capital Medical University, Beijing 100038, China.
| | - Wei Xie
- Clinical Anatomy & Reproductive Medicine Application Institute, University of South China, Hengyang 421001, Hunan, China.
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18
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Chen DD, Hui LL, Zhang XC, Chang Q. NEAT1 contributes to ox-LDL-induced inflammation and oxidative stress in macrophages through inhibiting miR-128. J Cell Biochem 2019; 120:2493-2501. [PMID: 30203508 DOI: 10.1002/jcb.27541] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Accepted: 08/06/2018] [Indexed: 01/24/2023]
Abstract
Long noncoding RNAs (lncRNA) have been recognized as significant regulators in the progression of atherosclerosis (AS). Oxidized low-density lipoprotein (ox-LDL) can induce macrophage inflammation and oxidative stress, that serves important roles in AS. However, the exact function of lncRNA NEAT1 and its possible molecular mechanism in AS remain unclear. Here, we concentrated on the roles and molecular mechanisms of NEAT1 in AS development. In our current study, we observed that NEAT1 was elevated by ox-LDL in a dose-dependent and time-dependent manner. RAW264.7 cell survival was greatly enhanced, and cell apoptosis was significantly inhibited by LV-shNEAT1 transfection. In addition, knockdown of NEAT1 in RAW264.7 cells repressed CD36 expression and foam cell formation while NEAT1 overexpression shown an opposite process. Moreover, NEAT1 downregulation inhibited inflammation molecules including IL-6, IL-1β, and TNF-α. Meanwhile, silencing of NEAT1 can also suppress reactive oxygen species (ROS) and malondialdehyde (MDA) levels with an enhancement of superoxide dismutase (SOD) activity in RAW264.7 cells. MicroRNAs are some short RNAs, and they can regulate multiple biological functions in many diseases including AS. Here, we found that miR-128 expression was remarkably decreased in ox-LDL-incubated RAW264.7 cells. Interestingly, miR-128 mimics was able to reverse AS-correlated events induced by overexpression of NEAT1. By using bioinformatics analysis, miR-128 was predicted as a target of NEAT1 and the correlation between them was validated in our study. Taken these together, it was implied that NEAT1 participated in ox-LDL-induced inflammation and oxidative stress in AS development through sponging miR-128.
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Affiliation(s)
- Dou-Dou Chen
- Department of Intensive Care Unit, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Liang-Liang Hui
- Department of Intensive Care Unit, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Xiang-Cheng Zhang
- Department of Intensive Care Unit, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Qing Chang
- Emergency Department, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an, China
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19
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Ji LJ, Su J, Xu AL, Pang B, Huang QM. MiR-134-5p attenuates neuropathic pain progression through targeting Twist1. J Cell Biochem 2019; 120:1694-1701. [PMID: 30187947 DOI: 10.1002/jcb.27486] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 07/18/2018] [Indexed: 01/24/2023]
Abstract
Neuropathic pain is a kind of chronic pain because of dysfunctions of somatosensory nerve system. Recently, many studies have demonstrated that microRNAs (miRs) play crucial roles in neuropathic pain development. This study was designed to investigate the effects of miR-134-5p on the process of neuropathic pain progression in a rat model established by chronic sciatic nerve injury (CCI). First, we observed that miR-134-5p was significantly decreased in CCI rat models. Overexpression of miR-134-5p strongly alleviated neuropathic pain behaviors including mechanical and thermal hyperalgesia. Meanwhile, inflammatory cytokine expression, such as IL-6, IL-1β and TNF-α in CCI rats were greatly repressed by upregulation of miR-134-5p. Twist1 has been widely regarded as a poor prognosis biomarker in diverse diseases. Here, by using bioinformatic analysis, 3'-untranslated region (UTR) of Twist1 was predicted to be a downstream target of miR-134-5p in our study. Here, we found that overexpression of miR-134-5p was able to suppress Twist1 dramatically. Furthermore, it was exhibited that Twist1 was increased in CCI rats time-dependently and Twist1 was inhibited in vivo. Subsequently, downregulation of Twist1 in CCI rats could depress neuropathic pain progression via inhibiting neuroinflammation. In conclusion, our current study indicated that miR-134-5p may inhibit neuropathic pain development through targeting Twist1. Our findings suggested that miR-134-5p might provide a novel therapeutic target for neuropathic pain.
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Affiliation(s)
- Li-Juan Ji
- Department of Sport Medicine and Rehabilitation Center, School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Jing Su
- Department of Rehabilitation, The Affiliated Huai'an Hospital of Xuzhou Medical College and The Second People's Hospital of Huai'an, Huai'an, China
| | - An-Le Xu
- Department of Sport Medicine and Rehabilitation Center, School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Bo Pang
- Department of Sport Medicine and Rehabilitation Center, School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Qiang-Min Huang
- Department of Sport Medicine and Rehabilitation Center, School of Kinesiology, Shanghai University of Sport, Shanghai, China
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