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Chen L, Gu J, Zhou B. PMiSLocMF: predicting miRNA subcellular localizations by incorporating multi-source features of miRNAs. Brief Bioinform 2024; 25:bbae386. [PMID: 39154195 PMCID: PMC11330342 DOI: 10.1093/bib/bbae386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 07/04/2024] [Accepted: 07/23/2024] [Indexed: 08/19/2024] Open
Abstract
The microRNAs (miRNAs) play crucial roles in several biological processes. It is essential for a deeper insight into their functions and mechanisms by detecting their subcellular localizations. The traditional methods for determining miRNAs subcellular localizations are expensive. The computational methods are alternative ways to quickly predict miRNAs subcellular localizations. Although several computational methods have been proposed in this regard, the incomplete representations of miRNAs in these methods left the room for improvement. In this study, a novel computational method for predicting miRNA subcellular localizations, named PMiSLocMF, was developed. As lots of miRNAs have multiple subcellular localizations, this method was a multi-label classifier. Several properties of miRNA, such as miRNA sequences, miRNA functional similarity, miRNA-disease, miRNA-drug, and miRNA-mRNA associations were adopted for generating informative miRNA features. To this end, powerful algorithms [node2vec and graph attention auto-encoder (GATE)] and one newly designed scheme were adopted to process above properties, producing five feature types. All features were poured into self-attention and fully connected layers to make predictions. The cross-validation results indicated the high performance of PMiSLocMF with accuracy higher than 0.83, average area under the receiver operating characteristic curve (AUC) and area under the precision-recall curve (AUPR) exceeding 0.90 and 0.77, respectively. Such performance was better than all previous methods based on the same dataset. Further tests proved that using all feature types can improve the performance of PMiSLocMF, and GATE and self-attention layer can help enhance the performance. Finally, we deeply analyzed the influence of miRNA associations with diseases, drugs, and mRNAs on PMiSLocMF. The dataset and codes are available at https://github.com/Gu20201017/PMiSLocMF.
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Affiliation(s)
- Lei Chen
- College of Information Engineering, Shanghai Maritime University, 1550 Haigang Avenue, Pudong New District, Shanghai 201306, China
| | - Jiahui Gu
- College of Information Engineering, Shanghai Maritime University, 1550 Haigang Avenue, Pudong New District, Shanghai 201306, China
| | - Bo Zhou
- School of Basic Medical Sciences, Shanghai University of Medicine and Health Sciences, 279 Zhouzhu Road, Pudong New District, Shanghai 201318, China
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2
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Yuan S, Zhang X, Zhan J, Xie R, Fan J, Dai B, Zhao Y, Yin Z, Liu Q, Wang DW, Li H, Chen C. Fibroblast-localized lncRNA CFIRL promotes cardiac fibrosis and dysfunction in dilated cardiomyopathy. SCIENCE CHINA. LIFE SCIENCES 2024; 67:1155-1169. [PMID: 38811441 DOI: 10.1007/s11427-023-2452-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 09/14/2023] [Indexed: 05/31/2024]
Abstract
CFIRL is a long noncoding RNA (lncRNA), we previously identified as the most significantly upregulated lncRNA in the failing hearts of patients with dilated cardiomyopathy (DCM). In this study, we determined the function of CFIRL and its role in DCM. Real-time polymerase chain reaction and in situ hybridization assays revealed that CFIRL was primarily localized in the nucleus of cardiac fibroblasts and robustly increased in failing hearts. Global knockdown or fibroblast-specific knockout of CFIRL attenuated transverse aortic constriction (TAC)-induced cardiac dysfunction and fibrosis in vivo. Overexpression of CFIRL in vitro promoted fibroblast proliferation and aggravated angiotensin II-induced differentiation to myofibroblasts. CFIRL knockdown attenuated these effects. Mechanistically, RNA pull-down assay and gene expression profiling revealed that CFIRL recruited ENO1, a newly identified noncanonical transcriptional factor, to activate IL-6 transcription. IL-6 exerted a paracrine effect on cardiomyocytes to promote cardiac hypertrophy, which can be prevented by CFIRL knockdown. These findings uncover the critical role of CFIRL, a fibroblast-associated lncRNA, in heart failure by facilitating crosstalk between fibroblasts and cardiomyocytes. CFIRL knockdown might be a potent strategy to prevent cardiac remodeling in heart failure, particularly in DCM.
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Affiliation(s)
- Shuai Yuan
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, 430030, China
| | - Xudong Zhang
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, 430030, China
| | - Jiabing Zhan
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, 430030, China
| | - Rong Xie
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, 430030, China
| | - Jiahui Fan
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, 430030, China
| | - Beibei Dai
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, 430030, China
| | - Yanru Zhao
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, 430030, China
| | - Zhongwei Yin
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, 430030, China
| | - Qian Liu
- Department of Forensic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Dao Wen Wang
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, 430030, China
| | - Huaping Li
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, 430030, China.
| | - Chen Chen
- Division of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, 430030, China.
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3
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Gu J, Li Y, Tian Y, Zhang Y, Cheng Y, Tang Y. Noncanonical functions of microRNAs in the nucleus. Acta Biochim Biophys Sin (Shanghai) 2024; 56:151-161. [PMID: 38167929 PMCID: PMC10984876 DOI: 10.3724/abbs.2023268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Accepted: 11/03/2023] [Indexed: 01/05/2024] Open
Abstract
MicroRNAs (miRNAs) are small noncoding RNAs (ncRNAs) that play their roles in the regulation of physiological and pathological processes. Originally, it was assumed that miRNAs only modulate gene expression posttranscriptionally in the cytoplasm by inducing target mRNA degradation. However, with further research, evidence shows that mature miRNAs also exist in the cell nucleus, where they can impact gene transcription and ncRNA maturation in several ways. This review provides an overview of novel models of nuclear miRNA functions. Some of the models remain to be verified by experimental evidence, and more details of the miRNA regulation network remain to be discovered in the future.
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Affiliation(s)
- Jiayi Gu
- College of Basic Medical SciencesShanghai Jiao Tong University School of MedicineShanghai200001China
| | - Yuanan Li
- College of Basic Medical SciencesShanghai Jiao Tong University School of MedicineShanghai200001China
| | - Youtong Tian
- College of Basic Medical SciencesShanghai Jiao Tong University School of MedicineShanghai200001China
| | - Yehao Zhang
- College of Basic Medical SciencesShanghai Jiao Tong University School of MedicineShanghai200001China
| | - Yongjun Cheng
- Department of Rheumatologythe First People’s Hospital of WenlingWenling317500China
| | - Yuanjia Tang
- Shanghai Institute of Rheumatology/Department of RheumatologyRenji HospitalShanghai Jiao Tong University School of MedicineShanghai200001China
- State Key Laboratory of Oncogenes and Related GenesShanghai Cancer InstituteRenji HospitalShanghai200031China
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Luo J, Ji Y, Chen N, Song G, Zhou S, Niu X, Yu D. Nuclear miR-150 enhances hepatic lipid accumulation by targeting RNA transcripts overlapping the PLIN2 promoter. iScience 2023; 26:107837. [PMID: 37736048 PMCID: PMC10509351 DOI: 10.1016/j.isci.2023.107837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/09/2023] [Accepted: 09/02/2023] [Indexed: 09/23/2023] Open
Abstract
Alcohol-associated liver disease is a prevalent chronic liver disease caused by excessive ethanol consumption. This study aims to investigate the role of miR-150 in regulating hepatic lipid homeostasis in alcoholic fatty liver (AFL). miR-150 was mainly distributed in the nucleus of hepatocytes and correlated with the degree of liver injury. The decreased expression of miR-150 observed in AFL was a compensatory response to ethanol-induced hepatic steatosis. Overexpression of miR-150 facilitated hepatic lipid accumulation in cellulo and exacerbated ethanol-induced liver steatosis in vivo. In silico analysis identified perilipin-2 (PLIN2) as a potential target gene of miR-150. miR-150 activated PLIN2 transcription by directly binding the RNA transcripts overlapping PLIN2 promoter and facilitating the recruitment of DNA helicase DHX9 and RNA polymeraseⅡ. Overall, our study provides fresh insights into the homeostasis regulation of hepatic steatosis induced by ethanol and identifies miR-150 as a pro-steatosis effector driving transcriptional PLIN2 gene activation.
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Affiliation(s)
- Jiao Luo
- School of Public Health, Qingdao University, Qingdao, China
| | - Yanan Ji
- School of Public Health, Qingdao University, Qingdao, China
| | - Ningning Chen
- School of Public Health, Qingdao University, Qingdao, China
| | - Ge Song
- School of Public Health, Qingdao University, Qingdao, China
| | - Shuyue Zhou
- School of Public Health, Qingdao University, Qingdao, China
| | - Xuan Niu
- School of Public Health, Qingdao University, Qingdao, China
| | - Dianke Yu
- School of Public Health, Qingdao University, Qingdao, China
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5
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Huang S, Zhou Y, Zhang Y, Liu N, Liu J, Liu L, Fan C. Advances in MicroRNA Therapy for Heart Failure: Clinical Trials, Preclinical Studies, and Controversies. Cardiovasc Drugs Ther 2023:10.1007/s10557-023-07492-7. [PMID: 37505309 DOI: 10.1007/s10557-023-07492-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/17/2023] [Indexed: 07/29/2023]
Abstract
Heart failure (HF) is a rapidly growing public health issue with more than 37.7 million patients worldwide and an annual healthcare cost of $108 billion. However, HF-related drugs have not changed significantly for decades, and it is essential to find biological drugs to provide better treatment for HF patients. MicroRNAs (miRNAs) are non-coding RNAs (ncRNAs) with a length of approximately 21 nucleotides and play an important role in the onset and progression of cardiovascular diseases. Increasing studies have shown that miRNAs are widely involved in the pathophysiology of HF, and the regulation of miRNAs has promising therapeutic effects. Among them, there is great interest in miRNA-132, since the encouraging success of anti-miRNA-132 therapy in a phase 1b clinical trial in 2020. However, it is worth noting that the multi-target effect of miRNA may produce side effects such as thrombocytopenia, revascularization dysfunction, severe immune response, and even death. Advances in drug delivery modalities, delivery vehicles, chemical modifications, and plant-derived miRNAs are expected to address safety concerns and further improve miRNA therapy. Here, we reviewed the preclinical studies and clinical trials of HF-related miRNAs (especially miRNA-132) in the past 5 years and summarized the controversies of miRNA therapy.
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Affiliation(s)
- Shengyuan Huang
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Middle Renmin Road 139, Changsha, 410011, China
| | - Yong Zhou
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yiru Zhang
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Ningyuan Liu
- Department of Radiology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Jiachen Liu
- Xiangya Medical College of Central South University, Changsha, China
| | - Liming Liu
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Middle Renmin Road 139, Changsha, 410011, China
| | - Chengming Fan
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Middle Renmin Road 139, Changsha, 410011, China.
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6
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Zhang L, Yang Y, Zhang L, Ma J, Sun R, Tian Y, Yuan X, Liu B, Yu T, Jiang Z. Identification of long non-coding RNA in formaldehyde-induced cardiac dysplasia in rats. Food Chem Toxicol 2023; 174:113653. [PMID: 36758786 DOI: 10.1016/j.fct.2023.113653] [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: 08/03/2022] [Revised: 01/30/2023] [Accepted: 02/06/2023] [Indexed: 02/09/2023]
Abstract
Formaldehyde exposure during pregnancy can cause fetal congenital heart disease (CHD). However, the regulatory mechanism remains unclear. Studies on the biology of long non-coding RNAs (lncRNAs) show that lncRNAs can influence cardiac development and disease. However, expression patterns and regulatory mechanisms of action of lncRNAs in formaldehyde-induced CHD remain unclear. We used high-throughput sequencing strategies as a means of identifying lncRNA expression profiles in heart tissues of normal and formaldehyde-exposed newborn rats. Overall, 763 differentially expressed lncRNAs were identified, including 325 and 438 that were respectively up-regulated and down-regulated. GO and KEGG analyses indicated that the Ras and hedgehog signaling pathways may be important regulatory pathways in CHD caused by exposure to formaldehyde. A lncRNA-miRNA-mRNA co-expression network was constructed and a key miRNA, rno-miR-665, was identified. Furthermore, qRT-PCR analysis verified that the novel lncRNAs: MSTRG.27313.2, MSTRG.30629.2, MSTRG.36520.33, MSTRG.91234.1, and MSTRG.91233.9, were upregulated in the formaldehyde-exposed group. These differentially expressed lncRNAs identified during formaldehyde-induced CHD in newborn rats help explain CHD pathogenesis and provide an effective reference for diagnosing and treating CHD.
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Affiliation(s)
- Lu Zhang
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, Road No. 59 Haier, Qingdao, 266100, Shandong, PR China
| | - Yanyan Yang
- Department of Immunology, Basic Medicine School, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, PR China
| | - Lin Zhang
- Department of Microbiology, Linyi Center for Disease Control and Prevention, Linyi, 276000, PR China
| | - Jianmin Ma
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, Road No. 59 Haier, Qingdao, 266100, Shandong, PR China
| | - Ruicong Sun
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, Road No. 59 Haier, Qingdao, 266100, Shandong, PR China
| | - Yu Tian
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, Road No. 59 Haier, Qingdao, 266100, Shandong, PR China
| | - Xiaoli Yuan
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, Road No. 59 Haier, Qingdao, 266100, Shandong, PR China
| | - Bingyu Liu
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, Road No. 59 Haier, Qingdao, 266100, Shandong, PR China
| | - Tao Yu
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, Road No. 59 Haier, Qingdao, 266100, Shandong, PR China; Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Road No. 38 Dengzhou, Qingdao, 266021, PR China.
| | - Zhirong Jiang
- Department of Cardiac Ultrasound, The Affiliated Hospital of Qingdao University, Road No. 59 Haier, Qingdao, 266100, Shandong, PR China.
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7
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Hu X, Yin G, Zhang Y, Zhu L, Huang H, Lv K. Recent advances in the functional explorations of nuclear microRNAs. Front Immunol 2023; 14:1097491. [PMID: 36911728 PMCID: PMC9992549 DOI: 10.3389/fimmu.2023.1097491] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 02/10/2023] [Indexed: 02/24/2023] Open
Abstract
Approximately 22 nucleotide-long non-coding small RNAs (ncRNAs) play crucial roles in physiological and pathological activities, including microRNAs (miRNAs). Long ncRNAs often stay in the cytoplasm, modulating post-transcriptional gene expression. Briefly, miRNA binds with the target mRNA and builds a miRNA-induced silencing complex to silence the transcripts or prevent their translation. Interestingly, data from recent animal and plant studies suggested that mature miRNAs are present in the nucleus, where they regulate transcriptionally whether genes are activated or silenced. This significantly broadens the functional range of miRNAs. Here, we reviewed and summarized studies on the functions of nuclear miRNAs to better understand the modulatory networks associated with nuclear miRNAs.
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Affiliation(s)
- Xiaozhu Hu
- Central Laboratory, The First Affiliated Hospital of Wannan Medical College, Wuhu, China.,Key Laboratory of Non-Coding RNA Transformation Research of Anhui Higher Education Institutes (Wannan Medical College), Wuhu, China
| | - Guoquan Yin
- Central Laboratory, The First Affiliated Hospital of Wannan Medical College, Wuhu, China.,Key Laboratory of Non-Coding RNA Transformation Research of Anhui Higher Education Institutes (Wannan Medical College), Wuhu, China
| | - Yuan Zhang
- Central Laboratory, The First Affiliated Hospital of Wannan Medical College, Wuhu, China.,Key Laboratory of Non-Coding RNA Transformation Research of Anhui Higher Education Institutes (Wannan Medical College), Wuhu, China
| | - Liangyu Zhu
- Central Laboratory, The First Affiliated Hospital of Wannan Medical College, Wuhu, China.,Key Laboratory of Non-Coding RNA Transformation Research of Anhui Higher Education Institutes (Wannan Medical College), Wuhu, China
| | - Haoyu Huang
- Central Laboratory, The First Affiliated Hospital of Wannan Medical College, Wuhu, China.,Key Laboratory of Non-Coding RNA Transformation Research of Anhui Higher Education Institutes (Wannan Medical College), Wuhu, China
| | - Kun Lv
- Central Laboratory, The First Affiliated Hospital of Wannan Medical College, Wuhu, China.,Key Laboratory of Non-Coding RNA Transformation Research of Anhui Higher Education Institutes (Wannan Medical College), Wuhu, China
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van Wijk N, Zohar K, Linial M. Challenging Cellular Homeostasis: Spatial and Temporal Regulation of miRNAs. Int J Mol Sci 2022; 23:16152. [PMID: 36555797 PMCID: PMC9787707 DOI: 10.3390/ijms232416152] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/11/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022] Open
Abstract
Mature microRNAs (miRNAs) are single-stranded non-coding RNA (ncRNA) molecules that act in post-transcriptional regulation in animals and plants. A mature miRNA is the end product of consecutive, highly regulated processing steps of the primary miRNA transcript. Following base-paring of the mature miRNA with its mRNA target, translation is inhibited, and the targeted mRNA is degraded. There are hundreds of miRNAs in each cell that work together to regulate cellular key processes, including development, differentiation, cell cycle, apoptosis, inflammation, viral infection, and more. In this review, we present an overlooked layer of cellular regulation that addresses cell dynamics affecting miRNA accessibility. We discuss the regulation of miRNA local storage and translocation among cell compartments. The local amounts of the miRNAs and their targets dictate their actual availability, which determines the ability to fine-tune cell responses to abrupt or chronic changes. We emphasize that changes in miRNA storage and compactization occur under induced stress and changing conditions. Furthermore, we demonstrate shared principles on cell physiology, governed by miRNA under oxidative stress, tumorigenesis, viral infection, or synaptic plasticity. The evidence presented in this review article highlights the importance of spatial and temporal miRNA regulation for cell physiology. We argue that limiting the research to mature miRNAs within the cytosol undermines our understanding of the efficacy of miRNAs to regulate cell fate under stress conditions.
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Affiliation(s)
| | | | - Michal Linial
- Department of Biological Chemistry, The Alexander Silberman Institute of Life Sciences, Faculty of Sciences, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
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Chen C, Liu S, Cao G, Hu Y, Wang R, Wu M, Liu M, Yiu KH. Cardioprotective Effect of Paeonol on Chronic Heart Failure Induced by Doxorubicin via Regulating the miR-21-5p/S-Phase Kinase-Associated Protein 2 Axis. Front Cardiovasc Med 2022; 9:695004. [PMID: 35865382 PMCID: PMC9294229 DOI: 10.3389/fcvm.2022.695004] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 05/10/2022] [Indexed: 12/12/2022] Open
Abstract
BackgroundThis study primarily explored the role of paeonol in doxorubicin (DOX)-induced chronic heart failure (CHF), considering the cardioprotective effect of paeonol on an epirubicin-induced cardiac injury.MethodsDOX-induced CHF-modeled rats were treated with paeonol. Cardiac function and myocardial damage in rats were evaluated by using the multifunction instrument, and the histopathology, apoptosis, and the expression of miR-21-5p and S-phase kinase-associated protein 2 (SKP2) in myocardium were detected. The target gene of miR-21-5p was confirmed by a dual-luciferase reporter assay. After the required transfection or paeonol treatment, the viability, apoptosis, mitochondrial membrane potential (MMP), and reactive oxygen species (ROS) of the DOX-induced cardiomyocytes were determined. Reverse-transcription quantitative-PCR (RT-qPCR) and Western blot were performed to quantify the expressions of miR-21-5p, SKP2, and apoptosis-related factors.ResultsPaeonol improved cardiac function and also ameliorated the cardiac damage of CHF-modeled rats, where the downregulation of abnormally elevated myocardial damage markers, including brain natriuretic peptide, lactate dehydrogenase, renin, angiotensin II, aldosterone, and endothelin 1, was observed. Paeonol alleviated the histopathological injury and suppressed the apoptosis in CHF-modeled rats, inhibited miR-21-5p expression, and upregulated SKP2 expression in vitro and in vivo. miR-21-5p targeted SKP2. Paeonol and SKP2 increased the viability and MMP, but reduced apoptosis and ROS in the DOX-induced cardiomyocytes. miR-21-5p exerted effects opposite to PAE and SKP2, and it downregulated the expression of Bcl-2 and mitochondrion-Cytochrome c (Cyt c) and upregulated the expression of Bax, C-caspase-3, and cytoplasm-Cyt c. miR-21-5p reversed the effects of paeonol, and its effects were further reversed by SKP2.ConclusionPaeonol shows a cardioprotective effect on DOX-induced CHF via regulating the miR-21-5p/SKP2 axis.
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Affiliation(s)
- Cong Chen
- Division of Cardiology, Department of Medicine, The University of Hong Kong, Shenzhen Hospital, Shenzhen, China
| | - Shuhong Liu
- Division of Cardiology, Department of Medicine, The University of Hong Kong, Shenzhen Hospital, Shenzhen, China
| | - Gaozhen Cao
- Division of Cardiology, Department of Medicine, The University of Hong Kong, Shenzhen Hospital, Shenzhen, China
| | - Yang Hu
- Division of Cardiology, Department of Medicine, The University of Hong Kong, Shenzhen Hospital, Shenzhen, China
- Division of Cardiology, Department of Medicine, The University of Hong Kong, Queen Mary Hospital, Shenzhen, China
| | - Run Wang
- Division of Cardiology, Department of Medicine, The University of Hong Kong, Shenzhen Hospital, Shenzhen, China
| | - Min Wu
- Division of Cardiology, Department of Medicine, The University of Hong Kong, Shenzhen Hospital, Shenzhen, China
| | - Mingya Liu
- Division of Cardiology, Department of Medicine, The University of Hong Kong, Shenzhen Hospital, Shenzhen, China
| | - Kai Hang Yiu
- Division of Cardiology, Department of Medicine, The University of Hong Kong, Shenzhen Hospital, Shenzhen, China
- Division of Cardiology, Department of Medicine, The University of Hong Kong, Queen Mary Hospital, Shenzhen, China
- *Correspondence: Kai Hang Yiu,
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10
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Identification and Characterization of Abiotic Stress–Responsive NF-YB Family Genes in Medicago. Int J Mol Sci 2022; 23:ijms23136906. [PMID: 35805915 PMCID: PMC9266772 DOI: 10.3390/ijms23136906] [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: 05/17/2022] [Revised: 06/04/2022] [Accepted: 06/05/2022] [Indexed: 12/05/2022] Open
Abstract
Nuclear factor YB (NF-YB) are plant-specific transcription factors that play a critical regulatory role in plant growth and development as well as in plant resistance against various stresses. In this study, a total of 49 NF-YB genes were identified from the genomes of Medicago truncatula and Medicago sativa. Multiple sequence alignment analysis showed that all of these NF-YB members contain DNA binding domain, NF-YA interaction domain and NF-YC interaction domain. Phylogenetic analysis suggested that these NF-YB proteins could be classified into five distinct clusters. We also analyzed the exon–intron organizations and conserved motifs of these NF-YB genes and their deduced proteins. We also found many stress-related cis-acting elements in their promoter region. In addition, analyses on genechip for M. truncatula and transcriptome data for M. sativa indicated that these NF-YB genes exhibited a distinct expression pattern in various tissues; many of these could be induced by drought and/or salt treatments. In particular, RT-qPCR analysis revealed that the expression levels of gene pairs MsNF-YB27/MtNF-YB15 and MsNF-YB28/MtNF-YB16 were significantly up-regulated under NaCl and mannitol treatments, indicating that they are most likely involved in salt and drought stress response. Taken together, our study on NF-YB family genes in Medicago is valuable for their functional characterization, as well as for the application of NF-YB genes in genetic breeding for high-yield and high-resistance alfalfa.
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11
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Li H, Zhan J, Chen C, Wang D. MicroRNAs in cardiovascular diseases. MEDICAL REVIEW (BERLIN, GERMANY) 2022; 2:140-168. [PMID: 37724243 PMCID: PMC10471109 DOI: 10.1515/mr-2021-0001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 12/29/2021] [Indexed: 09/20/2023]
Abstract
Cardiovascular diseases (CVDs) are the leading causes of death and disability worldwide, despite the wide diversity of molecular targets identified and the development of therapeutic methods. MicroRNAs (miRNAs) are a class of small (about 22 nucleotides) non-coding RNAs (ncRNAs) that negatively regulate gene expression at the post-transcriptional level in the cytoplasm and play complicated roles in different CVDs. While miRNA overexpression in one type of cell protects against heart disease, it promotes cardiac dysfunction in another type of cardiac cell. Moreover, recent studies have shown that, apart from cytosolic miRNAs, subcellular miRNAs such as mitochondria- and nucleus-localized miRNAs are dysregulated in CVDs. However, the functional properties of cellular- and subcellular-localized miRNAs have not been well characterized. In this review article, by carefully revisiting animal-based miRNA studies in CVDs, we will address the regulation and functional properties of miRNAs in various CVDs. Specifically, the cell-cell crosstalk and subcellular perspective of miRNAs are highlighted. We will provide the background for attractive molecular targets that might be useful in preventing the progression of CVDs and heart failure (HF) as well as insights for future studies.
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Affiliation(s)
- Huaping Li
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, China
| | - Jiabing Zhan
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, China
| | - Chen Chen
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, China
| | - Daowen Wang
- Division of Cardiology, Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Wuhan, China
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12
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Santovito D, Weber C. Non-canonical features of microRNAs: paradigms emerging from cardiovascular disease. Nat Rev Cardiol 2022; 19:620-638. [PMID: 35304600 DOI: 10.1038/s41569-022-00680-2] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/14/2022] [Indexed: 02/08/2023]
Abstract
Research showing that microRNAs (miRNAs) are versatile regulators of gene expression has instigated tremendous interest in cardiovascular research. The overwhelming majority of studies are predicated on the dogmatic notion that miRNAs regulate the expression of specific target mRNAs by inhibiting mRNA translation or promoting mRNA decay in the RNA-induced silencing complex (RISC). These efforts mostly identified and dissected contributions of multiple regulatory networks of miRNA-target mRNAs to cardiovascular pathogenesis. However, evidence from studies in the past decade indicates that miRNAs also operate beyond this canonical paradigm, featuring non-conventional regulatory functions and cellular localizations that have a pathophysiological role in cardiovascular disease. In this Review, we highlight the functional relevance of atypical miRNA biogenesis and localization as well as RISC heterogeneity. Moreover, we delineate remarkable non-canonical examples of miRNA functionality, including direct interactions with proteins beyond the Argonaute family and their role in transcriptional regulation in the nucleus and in mitochondria. We scrutinize the relevance of non-conventional biogenesis and non-canonical functions of miRNAs in cardiovascular homeostasis and pathology, and contextualize how uncovering these non-conventional properties can expand the scope of translational research in the cardiovascular field and beyond.
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Affiliation(s)
- Donato Santovito
- Institute for Cardiovascular Prevention (IPEK), Ludwig-Maximilians-Universität (LMU), Munich, Germany. .,German Center for Cardiovascular Research (DZHK), partner site Munich Heart Alliance, Munich, Germany. .,Institute for Genetic and Biomedical Research (IRGB), Unit of Milan, National Research Council, Milan, Italy.
| | - Christian Weber
- Institute for Cardiovascular Prevention (IPEK), Ludwig-Maximilians-Universität (LMU), Munich, Germany. .,German Center for Cardiovascular Research (DZHK), partner site Munich Heart Alliance, Munich, Germany. .,Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, Netherlands. .,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany.
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13
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Zhang X, Yuan S, Liu J, Tang Y, Wang Y, Zhan J, Fan J, Nie X, Zhao Y, Wen Z, Li H, Chen C, Wang DW. Overexpression of cytosolic long noncoding RNA cytb protects against pressure-overload-induced heart failure via sponging microRNA-103-3p. MOLECULAR THERAPY. NUCLEIC ACIDS 2022; 27:1127-1145. [PMID: 35251768 PMCID: PMC8881631 DOI: 10.1016/j.omtn.2022.02.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Accepted: 02/06/2022] [Indexed: 12/13/2022]
Abstract
Long noncoding RNAs (lncRNAs) play crucial roles in cardiovascular diseases. To date, only limited studies have reported the role of mitochondria-derived lncRNAs in heart failure (HF). In the current study, recombinant adeno-associated virus 9 was used to manipulate lncRNA cytb (lnccytb) expression in vivo. Fluorescence in situ hybridization (FISH) assay was used to determine the location of lnccytb, while microRNA (miRNA) sequencing and bioinformatics analyses were applied to identify the downstream targets. The competitive endogenous RNA (ceRNA) function of lnccytb was evaluated by biotin-coupled miRNA pull-down assays and luciferase reporter assays. Results showed that lnccytb expression was decreased in the heart of mice with transverse aortic constriction (TAC), as well as in the heart and plasma of patients with HF. FISH assay and absolute RNA quantification via real-time reverse transcription PCR suggested that the reduction of the lnccytb transcripts mainly occurred in the cytosol. Upregulation of cytosolic lnccytb attenuated cardiac dysfunction in TAC mice. Moreover, overexpression of cytosolic lnccytb in cardiomyocytes alleviated isoprenaline-induced reactive oxidative species (ROS) production and hypertrophy. Mechanistically, lnccytb acted as a ceRNA via sponging miR-103-3p, ultimately mitigating the suppression of PTEN by miR-103-3p. In summary, we demonstrated that the overexpression of cytosolic lnccytb could ameliorate HF.
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Affiliation(s)
- Xudong Zhang
- Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, 1095# Jiefang Avenue, Wuhan 430030, China
| | - Shuai Yuan
- Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, 1095# Jiefang Avenue, Wuhan 430030, China
| | - Jingbo Liu
- Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, 1095# Jiefang Avenue, Wuhan 430030, China
| | - Yuyan Tang
- Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, 1095# Jiefang Avenue, Wuhan 430030, China
| | - Yan Wang
- Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, 1095# Jiefang Avenue, Wuhan 430030, China
| | - Jiabing Zhan
- Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, 1095# Jiefang Avenue, Wuhan 430030, China
| | - Jiahui Fan
- Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, 1095# Jiefang Avenue, Wuhan 430030, China
| | - Xiang Nie
- Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, 1095# Jiefang Avenue, Wuhan 430030, China
| | - Yanru Zhao
- Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, 1095# Jiefang Avenue, Wuhan 430030, China
| | - Zheng Wen
- Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, 1095# Jiefang Avenue, Wuhan 430030, China
| | - Huaping Li
- Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, 1095# Jiefang Avenue, Wuhan 430030, China
| | - Chen Chen
- Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, 1095# Jiefang Avenue, Wuhan 430030, China
- Corresponding author Chen Chen, Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, 1095# Jiefang Avenue, Wuhan 430030, China.
| | - Dao Wen Wang
- Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, 1095# Jiefang Avenue, Wuhan 430030, China
- Corresponding author Dao Wen Wang, Division of Cardiology, Tongji Hospital, Tongji Medical College and Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiologic Disorders, Huazhong University of Science and Technology, 1095# Jiefang Avenue, Wuhan 430030, China.
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14
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Tong X, Yang Z, Wang Q, Zhang D. RNF144A-AS1 promotes the development of glioma cells by targeting miR-665/HMGA1 axis. Neurosci Lett 2021; 765:136259. [PMID: 34560189 DOI: 10.1016/j.neulet.2021.136259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 09/15/2021] [Accepted: 09/18/2021] [Indexed: 11/28/2022]
Abstract
PURPOSE Glioma is a malignant tumor in the central nervous system. Long non-coding RNA (lncRNA) RNF144A-AS1 exerts a regulatory effect in cancers, but its role in glioma remains obscure and needs to be further study. METHODS Expressions of RNF144A-AS1, miR-665 and High-mobility group A1 (HMGA1) in glioma tissues and/or cells were determined by quantitative reverse transcription polymerase chain reaction (qRT-PCR). The relationship between miR-665 and RNF144A-AS1/HMGA1 was determined by bioinformatics and Dual-Luciferase Reporter assay. The effect of RNF144A-AS1 on the biological functions of glioma cells was confirmed by loss and gain experiments (including cell counting kit 8, clone formation, wound healing, Transwell, qRT-PCR and western blot). The regulatory mechanism of RNF144A-AS1/miR-665/HMGA1 axis on glioma was confirmed by rescue experiments. RESULTS RNF144A-AS1 and HMGA1 were high-expressed in gliomas, and miR-665 was low-expressed in gliomas, which led to the increase of glioma cell viability, proliferation, migration and invasion ability and insufficient apoptosis ability. Overexpression of RNF144A-AS1 suppressed the expressions of Bax and cleaved caspase-3, and promoted Bcl-2 expression. RNF144A-AS1 up-regulated the expression of HMGA1 by targeting miR-665, thereby promoting the development of glioma cells. CONCLUSION RNF144A-AS1/miR-665/HMGA1 axis implicated in the development of glioma.
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Affiliation(s)
- Xiaofei Tong
- Department of Neurosurgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, China.
| | - Zhi Yang
- Department of Neurosurgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, China
| | - Qian Wang
- Department of Neurosurgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, China
| | - Danying Zhang
- Department of Neurosurgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, China
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15
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Subcellular Localization of miRNAs and Implications in Cellular Homeostasis. Genes (Basel) 2021; 12:genes12060856. [PMID: 34199614 PMCID: PMC8226975 DOI: 10.3390/genes12060856] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 05/20/2021] [Accepted: 05/28/2021] [Indexed: 02/06/2023] Open
Abstract
MicroRNAs (miRNAs) are thought to act as post-transcriptional regulators in the cytoplasm by either dampening translation or stimulating degradation of target mRNAs. With the increasing resolution and scope of RNA mapping, recent studies have revealed novel insights into the subcellular localization of miRNAs. Based on miRNA subcellular localization, unconventional functions and mechanisms at the transcriptional and post-transcriptional levels have been identified. This minireview provides an overview of the subcellular localization of miRNAs and the mechanisms by which they regulate transcription and cellular homeostasis in mammals, with a particular focus on the roles of phase-separated biomolecular condensates.
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16
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Yang L, Li RC, Xiang B, Li YC, Wang LP, Guo YB, Liang JH, Wang XT, Hou T, Xing X, Zhou ZQ, Ye H, Feng RQ, Lakatta EG, Chai Z, Wang SQ. Transcriptional regulation of intermolecular Ca 2+ signaling in hibernating ground squirrel cardiomyocytes: The myocardin-junctophilin axis. Proc Natl Acad Sci U S A 2021; 118:e2025333118. [PMID: 33785600 PMCID: PMC8040632 DOI: 10.1073/pnas.2025333118] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The contraction of heart cells is controlled by the intermolecular signaling between L-type Ca2+ channels (LCCs) and ryanodine receptors (RyRs), and the nanodistance between them depends on the interaction between junctophilin-2 (JPH2) in the sarcoplasmic reticulum (SR) and caveolin-3 (CAV3) in the transversal tubule (TT). In heart failure, decreased expression of JPH2 compromises LCC-RyR communication leading to deficient blood-pumping power. In the present study, we found that JPH2 and CAV3 transcription was concurrently regulated by serum response factor (SRF) and myocardin. In cardiomyocytes from torpid ground squirrels, compared with those from euthermic counterparts, myocardin expression was up-regulated, which boosted both JPH2 and CAV3 expression. Transmission electron microscopic imaging showed that the physical coupling between TTs and SRs was tightened during hibernation and after myocardin overexpression. Confocal Ca2+ imaging under the whole-cell patch clamp condition revealed that these changes enhanced the efficiency of LCC-RyR intermolecular signaling and fully compensated the adaptive down-regulation of LCCs, maintaining the power of heart contraction while avoiding the risk of calcium overload during hibernation. Our finding not only revealed an essential molecular mechanism underlying the survival of hibernating mammals, but also demonstrated a "reverse model of heart failure" at the molecular level, suggesting a strategy for treating heart diseases.
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Affiliation(s)
- Lei Yang
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing 100871, China
| | - Rong-Chang Li
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing 100871, China
| | - Bin Xiang
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing 100871, China
| | - Yi-Chen Li
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing 100871, China
| | - Li-Peng Wang
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing 100871, China
| | - Yun-Bo Guo
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing 100871, China
| | - Jing-Hui Liang
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing 100871, China
| | - Xiao-Ting Wang
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing 100871, China
| | - Tingting Hou
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing 100871, China
| | - Xin Xing
- College of Life Science, Shenyang Normal University, Shenyang 110034, China
| | - Zeng-Quan Zhou
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing 100871, China
| | - Haihong Ye
- Beijing Key Laboratory of Neural Regeneration and Repair, Department of Medical Genetics and Developmental Biology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
| | - Ren-Qing Feng
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing 100871, China
| | - Edward G Lakatta
- Laboratory of Cardiovascular Science, National Institute on Aging, Baltimore, MD 21224
| | - Zhen Chai
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing 100871, China
| | - Shi-Qiang Wang
- State Key Laboratory of Membrane Biology, College of Life Sciences, Peking University, Beijing 100871, China;
- Chinese Institute for Brain Research, Beijing 102206, China
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17
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Nuclear functions of microRNAs relevant to the cardiovascular system. Transl Res 2021; 230:151-163. [PMID: 33186782 DOI: 10.1016/j.trsl.2020.11.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 10/22/2020] [Accepted: 11/05/2020] [Indexed: 12/30/2022]
Abstract
A fraction of the transcriptome is translated into proteins. The rest is classified as non-protein coding RNA (Ribonucleic Acid) but has gained increased attention as functional and regulatory group of transcripts. The gene regulatory role of non-coding RNAs (ncRNAs) has now been widely accepted in diverse biological processes in both physiology and disease. MicroRNAs fall into this latter group and are widely known for their diverse post-transcriptional regulatory role. MicroRNA sequences are embedded in the long ncRNAs, known as primary microRNAs, are processed into precursor microRNAs and are typically transported out of the nucleus for maturation and loading into a protein complex forming RNA-induced silencing complex (RISC) that either drives the degradation of messenger RNA (mRNA) or blocks its translation. A new phenomenon is emerging where microRNAs have active roles within the nucleus. The presence of RISC components including microRNAs in the nucleus supports this notion. They may integrate with chromatin modifiers, microprocessing machinery and mRNA stabilizing transcripts to play a multifunctional role in the nucleus. Although a limited number of studies appreciate this novel activity of microRNAs relevant to the cardiovascular system, they provide proof-of-concept that requires consideration while targeting miRNAs with therapeutic potential.
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18
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Nazari-Shafti TZ, Exarchos V, Biefer HRC, Cesarovic N, Meyborg H, Falk V, Emmert MY. MicroRNA Mediated Cardioprotection - Is There a Path to Clinical Translation? Front Bioeng Biotechnol 2020; 8:149. [PMID: 32266222 PMCID: PMC7099408 DOI: 10.3389/fbioe.2020.00149] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 02/13/2020] [Indexed: 12/12/2022] Open
Abstract
In the past 20 years, there have been several approaches to achieve cardioprotection or cardiac regeneration using a vast variety of cell therapies and remote ischemic pre-conditioning (RIPC). To date, substantial proof that either cell therapy or RIPC has the potential for clinically relevant cardiac repair or regeneration of cardiac tissue is still pending. Preclinical trials indicate that the secretome of cells in situ (during RIPC) as well as of transplanted cells may exhibit cardioprotective properties in the acute setting of cardiac injury. The secretome generally consists of cell-specific cytokines and extracellular vesicles (EVs) containing microRNAs (miRNAs). It is currently hypothesized that a subset of known miRNAs play a crucial part in the facilitation of cardioprotective effects. miRNAs are small non-coding RNA molecules that inhibit post-transcriptional translation of messenger RNAs (mRNAs) and play an important role in gene translation regulation. It is also known that one miRNAs usually targets multiple mRNAs. This makes predictability of pharmacokinetics and mechanism of action very difficult and could in part explain the inferior performance of various progenitor cells in clinical studies. Identification of miRNAs involved in cardioprotection and remodeling, the composition of miRNA profiles, and the exact mechanism of action are important to the design of future cell-based but also cell-free cardioprotective therapeutics. This review will give a description of miRNA with cardioprotective properties and a current overview on known mechanism of action and potential missing links. Additionally, we will give an outlook on the potential for clinical translation of miRNAs in the setting of myocardial infarction and heart failure.
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Affiliation(s)
- Timo Z Nazari-Shafti
- Department for Cardiovascular and Thoracic Surgery, German Heart Center Berlin, Berlin, Germany.,Berlin Institute of Health, Berlin, Germany.,Deutsches Zentrum für Herz-und Kreislauferkrankungen, Berlin, Germany
| | - Vasileios Exarchos
- Department for Cardiovascular and Thoracic Surgery, German Heart Center Berlin, Berlin, Germany.,Department of Health Sciences and Technology, ETH Zürich, Zurich, Switzerland
| | - Héctor Rodriguez Cetina Biefer
- Department for Cardiovascular and Thoracic Surgery, German Heart Center Berlin, Berlin, Germany.,Clinic for Cardiovascular Surgery, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Nikola Cesarovic
- Department for Cardiovascular and Thoracic Surgery, German Heart Center Berlin, Berlin, Germany.,Department of Health Sciences and Technology, ETH Zürich, Zurich, Switzerland
| | - Heike Meyborg
- Department for Cardiovascular and Thoracic Surgery, German Heart Center Berlin, Berlin, Germany
| | - Volkmar Falk
- Department for Cardiovascular and Thoracic Surgery, German Heart Center Berlin, Berlin, Germany.,Deutsches Zentrum für Herz-und Kreislauferkrankungen, Berlin, Germany.,Department of Health Sciences and Technology, ETH Zürich, Zurich, Switzerland.,Clinic for Cardiovascular Surgery, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Maximilian Y Emmert
- Department for Cardiovascular and Thoracic Surgery, German Heart Center Berlin, Berlin, Germany.,Deutsches Zentrum für Herz-und Kreislauferkrankungen, Berlin, Germany.,Clinic for Cardiovascular Surgery, Charité Universitätsmedizin Berlin, Berlin, Germany.,Institute for Regenerative Medicine, University of Zurich, Zurich, Switzerland.,Wyss Zurich, University of Zurich and ETH Zurich, Zurich, Switzerland
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19
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Chen P, Li Z, Nie J, Wang H, Yu B, Wen Z, Sun Y, Shi X, Jin L, Wang DW. MYH7B variants cause hypertrophic cardiomyopathy by activating the CaMK-signaling pathway. SCIENCE CHINA-LIFE SCIENCES 2020; 63:1347-1362. [DOI: 10.1007/s11427-019-1627-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 02/27/2020] [Indexed: 12/12/2022]
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