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Ibragimova M, Kussainova A, Aripova A, Bersimbaev R, Bulgakova O. The Molecular Mechanisms in Senescent Cells Induced by Natural Aging and Ionizing Radiation. Cells 2024; 13:550. [PMID: 38534394 DOI: 10.3390/cells13060550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 03/17/2024] [Accepted: 03/19/2024] [Indexed: 03/28/2024] Open
Abstract
This review discusses the relationship between cellular senescence and radiation exposure. Given the wide range of ionizing radiation sources encountered by people in professional and medical spheres, as well as the influence of natural background radiation, the question of the effect of radiation on biological processes, particularly on aging processes, remains highly relevant. The parallel relationship between natural and radiation-induced cellular senescence reveals the common aspects underlying these processes. Based on recent scientific data, the key points of the effects of ionizing radiation on cellular processes associated with aging, such as genome instability, mitochondrial dysfunction, altered expression of miRNAs, epigenetic profile, and manifestation of the senescence-associated secretory phenotype (SASP), are discussed. Unraveling the molecular mechanisms of cellular senescence can make a valuable contribution to the understanding of the molecular genetic basis of age-associated diseases in the context of environmental exposure.
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Affiliation(s)
- Milana Ibragimova
- Department of General Biology and Genomics, Institute of Cell Biology and Biotechnology, L.N. Gumilyov Eurasian National University, Astana 010008, Kazakhstan
| | - Assiya Kussainova
- Department of General Biology and Genomics, Institute of Cell Biology and Biotechnology, L.N. Gumilyov Eurasian National University, Astana 010008, Kazakhstan
- Department of Health Sciences, University of Genova, Via Pastore 1, 16132 Genoa, Italy
| | - Akmaral Aripova
- Department of General Biology and Genomics, Institute of Cell Biology and Biotechnology, L.N. Gumilyov Eurasian National University, Astana 010008, Kazakhstan
| | - Rakhmetkazhi Bersimbaev
- Department of General Biology and Genomics, Institute of Cell Biology and Biotechnology, L.N. Gumilyov Eurasian National University, Astana 010008, Kazakhstan
| | - Olga Bulgakova
- Department of General Biology and Genomics, Institute of Cell Biology and Biotechnology, L.N. Gumilyov Eurasian National University, Astana 010008, Kazakhstan
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Zhan-Qiang H, Hai-Hua Q, Chi Z, Miao W, Cui Z, Zi-Yin L, Jing H, Yi-Wei W. miR-146a aggravates cognitive impairment and Alzheimer disease-like pathology by triggering oxidative stress through MAPK signaling. Neurologia 2023; 38:486-494. [PMID: 37659839 DOI: 10.1016/j.nrleng.2020.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 12/26/2020] [Indexed: 09/04/2023] Open
Abstract
INTRODUCTION Mir-146a-5p has been widely recognized as a critical regulatory element in the immune response. However, recent studies have shown that miR-146a-5p may also be involved in the development of Alzheimer disease (AD). Regrettably, the related mechanisms are poorly understood. Here, we investigated the effects of miR-146a in mice models and SH-SY5Y cells treated with amyloid β (Aβ)1-42. METHODS To create a model of AD, SH-SY5Y cells were treated with Aβ1-42 and mice received intracerebroventricular injections of Aβ1-42. Then, the transcriptional levels of miR-146a were estimated by real-time PCR. We transiently transfected the miR-146a-5p mimic/inhibitor into cells and mice to study the role of miR-146a. The role of signaling pathways including p38 and reactive oxygen species (ROS) was studied by using specific inhibitors. Aβ and amyloid-beta precursor protein (APP)levels were measured by immunoblotting. Furthermore, Aβ expression was analyzed by immunofluorescence and histochemical examinations. RESULTS Aβ1-42-stimulated SH-SY5Y cells displayed increased transcriptional levels of miR-146a and APP. Moreover, the p38 MAPK signaling pathway and ROS production were activated upon stimulation with a miR-146a-5p mimic. However, treatment with a miR-146a-5p inhibitor decreased the levels of APP, ROS, and p-p38 MAPK. A similar phenomenon was also observed in the animals treated with Aβ1-42, in which miR-146a upregulation increased the expression of Aβ, p-p38, and ROS, while the inhibition of miR-146a had the opposite effect. This suggests that miR-146a increases Aβ deposition and ROS accumulation via the p-p38 signaling pathway. CONCLUSIONS Our research demonstrates that miR-146a-5pa increases Aβ deposition by triggering oxidative stress through activation of MAPK signaling.
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Affiliation(s)
- H Zhan-Qiang
- Department of General medicine, Affiliated Hospital of Chengde Medical College, Chengde 067000, China
| | - Q Hai-Hua
- Department of Dermatology, Affiliated Hospital of Chengde Medical College, Chengde 067000, China
| | - Z Chi
- Department of Neurology, Affilicated Hospital of Chengde Medical College, Chengde 067000, China
| | - W Miao
- Department of General medicine, Affiliated Hospital of Chengde Medical College, Chengde 067000, China
| | - Z Cui
- Department of General medicine, Affiliated Hospital of Chengde Medical College, Chengde 067000, China
| | - L Zi-Yin
- Department of General medicine, Affiliated Hospital of Chengde Medical College, Chengde 067000, China
| | - H Jing
- Department of General medicine, Affiliated Hospital of Chengde Medical College, Chengde 067000, China
| | - W Yi-Wei
- Department of General medicine, Affiliated Hospital of Chengde Medical College, Chengde 067000, China.
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Sum H, Brewer AC. Epigenetic modifications as therapeutic targets in atherosclerosis: a focus on DNA methylation and non-coding RNAs. Front Cardiovasc Med 2023; 10:1183181. [PMID: 37304954 PMCID: PMC10248074 DOI: 10.3389/fcvm.2023.1183181] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 05/02/2023] [Indexed: 06/13/2023] Open
Abstract
Significant progress in the diagnosis and treatment of cardiovascular disease (CVD) has been made in the past decade, yet it remains a leading cause of morbidity and mortality globally, claiming an estimated 17.9 million deaths per year. Although encompassing any condition that affects the circulatory system, including thrombotic blockage, stenosis, aneurysms, blood clots and arteriosclerosis (general hardening of the arteries), the most prevalent underlying hallmark of CVD is atherosclerosis; the plaque-associated arterial thickening. Further, distinct CVD conditions have overlapping dysregulated molecular and cellular characteristics which underlie their development and progression, suggesting some common aetiology. The identification of heritable genetic mutations associated with the development of atherosclerotic vascular disease (AVD), in particular resulting from Genome Wide Association Studies (GWAS) studies has significantly improved the ability to identify individuals at risk. However, it is increasingly recognised that environmentally-acquired, epigenetic changes are key factors associated with atherosclerosis development. Increasing evidence suggests that these epigenetic changes, most notably DNA methylation and the misexpression of non-coding, microRNAs (miRNAs) are potentially both predictive and causal in AVD development. This, together with their reversible nature, makes them both useful biomarkers for disease and attractive therapeutic targets potentially to reverse AVD progression. We consider here the association of aberrant DNA methylation and dysregulated miRNA expression with the aetiology and progression of atherosclerosis, and the potential development of novel cell-based strategies to target these epigenetic changes therapeutically.
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Da Fonseca Ferreira A, Wei J, Zhang L, Macon CJ, Degnan B, Jayaweera D, Hare JM, Kolber MA, Bellio M, Khan A, Pan Y, Dykxhoorn DM, Wang L, Dong C. HIV Promotes Atherosclerosis via Circulating Extracellular Vesicle MicroRNAs. Int J Mol Sci 2023; 24:7567. [PMID: 37108729 PMCID: PMC10146407 DOI: 10.3390/ijms24087567] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 04/14/2023] [Accepted: 04/16/2023] [Indexed: 04/29/2023] Open
Abstract
People living with HIV (PLHIV) are at a higher risk of having cerebrocardiovascular diseases (CVD) compared to HIV negative (HIVneg) individuals. The mechanisms underlying this elevated risk remains elusive. We hypothesize that HIV infection results in modified microRNA (miR) content in plasma extracellular vesicles (EVs), which modulates the functionality of vascular repairing cells, i.e., endothelial colony-forming cells (ECFCs) in humans or lineage negative bone marrow cells (lin- BMCs) in mice, and vascular wall cells. PLHIV (N = 74) have increased atherosclerosis and fewer ECFCs than HIVneg individuals (N = 23). Plasma from PLHIV was fractionated into EVs (HIVposEVs) and plasma depleted of EVs (HIV PLdepEVs). HIVposEVs, but not HIV PLdepEVs or HIVnegEVs (EVs from HIVneg individuals), increased atherosclerosis in apoE-/- mice, which was accompanied by elevated senescence and impaired functionality of arterial cells and lin- BMCs. Small RNA-seq identified EV-miRs overrepresented in HIVposEVs, including let-7b-5p. MSC (mesenchymal stromal cell)-derived tailored EVs (TEVs) loaded with the antagomir for let-7b-5p (miRZip-let-7b) counteracted, while TEVs loaded with let-7b-5p recapitulated the effects of HIVposEVs in vivo. Lin- BMCs overexpressing Hmga2 (a let-7b-5p target gene) lacking the 3'UTR and as such is resistant to miR-mediated regulation showed protection against HIVposEVs-induced changes in lin- BMCs in vitro. Our data provide a mechanism to explain, at least in part, the increased CVD risk seen in PLHIV.
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Affiliation(s)
- Andrea Da Fonseca Ferreira
- Interdisciplinary Stem Cell Institute, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Jianqin Wei
- Interdisciplinary Stem Cell Institute, University of Miami Miller School of Medicine, Miami, FL 33136, USA
- Department of Medicine, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Lukun Zhang
- Interdisciplinary Stem Cell Institute, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Conrad J. Macon
- Department of Medicine, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Bernard Degnan
- Interdisciplinary Stem Cell Institute, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Dushyantha Jayaweera
- Department of Medicine, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Joshua M. Hare
- Interdisciplinary Stem Cell Institute, University of Miami Miller School of Medicine, Miami, FL 33136, USA
- Department of Medicine, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Michael A. Kolber
- Department of Medicine, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Michael Bellio
- Interdisciplinary Stem Cell Institute, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Aisha Khan
- Interdisciplinary Stem Cell Institute, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Yue Pan
- Biostatistics Division, Department of Public Health Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Derek M. Dykxhoorn
- John T. Macdonald Foundation Department of Human Genetics, University of Miami Miller School of Medicine, Miami, FL 33136, USA
- John P. Hussman Institute for Human Genomics, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Liyong Wang
- John T. Macdonald Foundation Department of Human Genetics, University of Miami Miller School of Medicine, Miami, FL 33136, USA
- John P. Hussman Institute for Human Genomics, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Chunming Dong
- Interdisciplinary Stem Cell Institute, University of Miami Miller School of Medicine, Miami, FL 33136, USA
- Department of Medicine, University of Miami Miller School of Medicine, Miami, FL 33136, USA
- Section of Cardiology, Department of Medicine, Miami VA Health System, University of Miami, Miami, FL 33146, USA
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Nardin M, Verdoia M, Laera N, Cao D, De Luca G. New Insights into Pathophysiology and New Risk Factors for ACS. J Clin Med 2023; 12:jcm12082883. [PMID: 37109221 PMCID: PMC10146393 DOI: 10.3390/jcm12082883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/27/2023] [Accepted: 04/07/2023] [Indexed: 04/29/2023] Open
Abstract
Cardiovascular disease still represents the main cause of mortality worldwide. Despite huge improvements, atherosclerosis persists as the principal pathological condition, both in stable and acute presentation. Specifically, acute coronary syndromes have received substantial research and clinical attention in recent years, contributing to improve overall patients' outcome. The identification of different evolution patterns of the atherosclerotic plaque and coronary artery disease has suggested the potential need of different treatment approaches, according to the mechanisms and molecular elements involved. In addition to traditional risk factors, the finer portrayal of other metabolic and lipid-related mediators has led to higher and deep knowledge of atherosclerosis, providing potential new targets for clinical management of the patients. Finally, the impressive advances in genetics and non-coding RNAs have opened a wide field of research both on pathophysiology and the therapeutic side that are extensively under investigation.
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Affiliation(s)
- Matteo Nardin
- Department of Biomedical Sciences, Humanitas University, 20072 Milan, Italy
- Third Medicine Division, Department of Medicine, ASST Spedali Civili, 25123 Brescia, Italy
| | - Monica Verdoia
- Division of Cardiology, Ospedale degli Infermi, ASL Biella, 13900 Biella, Italy
- Department of Translational Medicine, Eastern Piedmont University, 13100 Novara, Italy
| | - Nicola Laera
- Department of Clinical and Experimental Sciences, University of Brescia, 25121 Brescia, Italy
| | - Davide Cao
- Department of Biomedical Sciences, Humanitas University, 20072 Milan, Italy
| | - Giuseppe De Luca
- Division of Cardiology, AOU "Policlinico G. Martino", Department of Clinical and Experimental Medicine, University of Messina, 98166 Messina, Italy
- Division of Cardiology, IRCCS Hospital Galeazzi-Sant'Ambrogio, 20161 Milan, Italy
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Tang Y, Yang LJ, Liu H, Song YJ, Yang QQ, Liu Y, Qian SW, Tang QQ. Exosomal miR-27b-3p secreted by visceral adipocytes contributes to endothelial inflammation and atherogenesis. Cell Rep 2023; 42:111948. [PMID: 36640325 DOI: 10.1016/j.celrep.2022.111948] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 09/28/2022] [Accepted: 12/17/2022] [Indexed: 01/09/2023] Open
Abstract
Obesity, particularly increased visceral fat, positively correlates with various metabolic challenges, including atherosclerosis, but the mechanism is not fully understood. The aim of this study is to determine the role of visceral-fat-derived exosomes (Exo) in endothelial cells and atherosclerosis. We show that obesity changes the miRNA profile of visceral adipose exosomes in mice. Importantly, exosomal miR-27b-3p efficiently enters into the vascular endothelial cells and activates the NF-κB pathway by downregulating PPARα. Mechanistically, miR-27b-3p binds directly to the CDS region of PPARα mRNA, thereby promoting mRNA degradation and suppressing translation. In ApoE-deficient mice, administration of miR-27b-3p mimic increases inflammation and atherogenesis, while overexpression of PPARα protects against atherosclerosis. Thus, obesity-induced exosomal miR-27b-3p promotes endothelial inflammation and facilitates atherogenesis by PPARα suppression. We reveal an exosomal pathway by which obesity aggravates atherosclerosis and proposed therapeutic strategies for atherosclerosis in people with obesity.
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Affiliation(s)
- Yan Tang
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences and Department of Endocrinology and Metabolism of Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Li-Jie Yang
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences and Department of Endocrinology and Metabolism of Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Hao Liu
- Department of Cardiothoracic Surgery, Xinhua Hospital, Shanghai Jiaotong University of Medicine College, Shanghai 200032, China
| | - Yan-Jue Song
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences and Department of Endocrinology and Metabolism of Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Qi-Qi Yang
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences and Department of Endocrinology and Metabolism of Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Yang Liu
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences and Department of Endocrinology and Metabolism of Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Shu-Wen Qian
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences and Department of Endocrinology and Metabolism of Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Qi-Qun Tang
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences and Department of Endocrinology and Metabolism of Zhongshan Hospital, Fudan University, Shanghai 200032, China.
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Kumar D, Narang R, Saluja D, Srivastava K. Functional Association of miR-133b and miR-21 Through Novel Gene Targets ATG5, LRP6 and SGPP1 in Coronary Artery Disease. Mol Diagn Ther 2022; 26:655-64. [PMID: 36197604 DOI: 10.1007/s40291-022-00615-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/05/2022] [Indexed: 12/30/2022]
Abstract
BACKGROUND Atherosclerosis, a progressive manifestation of coronary artery disease, has been observed to be regulated by microRNAs (miRNAs) targeting various protein-coding genes involved in several pathophysiological events of coronary artery disease. OBJECTIVE In our previous report, we identified differential expression profiles of candidate miRNAs, miR-133b and miR-21, in patients with coronary artery disease as compared with controls, suggesting their possible implication in the pathophysiology of coronary artery disease. To better understand the functional role of these miRNAs, we sought to predict and validate their target genes while assessing the expression pattern of these genes in patients with coronary artery disease, as well as in macrophages. METHODS Potential target genes of miR-133b and miR-21 were predicted bioinformatically followed by validation through the identification of their expression at the protein level in patients with coronary artery disease (n-30), as well as in macrophages treated with respective miRNA inhibitors (antagomiRs), through immunoblotting. RESULTS SGPP1, a gene associated with the sphingolipid pathway, was predicted to be a potential target gene of miR-133b while ATG5 and LRP6 were target genes of miR-21 while being associated with autophagy and Wnt signalling pathways, respectively. SGPP1 was observed to be upregulated significantly (p = 0.019) by 2.07-fold, whereas ATG5 and LRP6 were found to be downregulated (p = 0.026 and 0.007, respectively) by 3.28-fold and 8.46-fold, respectively, in patients with coronary artery disease as compared with controls. Expression patterns of all the genes were also found to be modulated when cells were treated with respective miRNA inhibitors. CONCLUSIONS Results from the present study suggest that SGPP1, ATG5 and LRP6, target genes of miR-133b and miR-21, may serve as potential therapeutic hotspots in the management of coronary artery disease, which undoubtedly merit further experimental confirmation.
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Zhang C, Ni C, Lu H. Polo-Like Kinase 2: From Principle to Practice. Front Oncol 2022; 12:956225. [PMID: 35898867 PMCID: PMC9309260 DOI: 10.3389/fonc.2022.956225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 06/14/2022] [Indexed: 11/21/2022] Open
Abstract
Polo-like kinase (PLK) 2 is an evolutionarily conserved serine/threonine kinase that shares the n-terminal kinase catalytic domain and the C-terminal Polo Box Domain (PBD) with other members of the PLKs family. In the last two decades, mounting studies have focused on this and tried to clarify its role in many aspects. PLK2 is essential for mitotic centriole replication and meiotic chromatin pairing, synapsis, and crossing-over in the cell cycle; Loss of PLK2 function results in cell cycle disorders and developmental retardation. PLK2 is also involved in regulating cell differentiation and maintaining neural homeostasis. In the process of various stimuli-induced stress, including oxidative and endoplasmic reticulum, PLK2 may promote survival or apoptosis depending on the intensity of stimulation and the degree of cell damage. However, the role of PLK2 in immunity to viral infection has been studied far less than that of other family members. Because PLK2 is extensively and deeply involved in normal physiological functions and pathophysiological mechanisms of cells, its role in diseases is increasingly being paid attention to. The effect of PLK2 in inhibiting hematological tumors and fibrotic diseases, as well as participating in neurodegenerative diseases, has been gradually recognized. However, the research results in solid organ tumors show contradictory results. In addition, preliminary studies using PLK2 as a disease predictor and therapeutic target have yielded some exciting and promising results. More research will help people better understand PLK2 from principle to practice.
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Affiliation(s)
- Chuanyong Zhang
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, Nanjing, China
| | - Chuangye Ni
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, Nanjing, China
| | - Hao Lu
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, Nanjing, China
- *Correspondence: Hao Lu,
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Ghafouri-Fard S, Khoshbakht T, Hussen BM, Baniahmad A, Branicki W, Taheri M, Eghbali A. Emerging Role of Non-Coding RNAs in Senescence. Front Cell Dev Biol 2022; 10:869011. [PMID: 35865636 PMCID: PMC9294638 DOI: 10.3389/fcell.2022.869011] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 06/13/2022] [Indexed: 11/13/2022] Open
Abstract
Senescence is defined as a gradual weakening of functional features of a living organism. Cellular senescence is a process that is principally aimed to remove undesirable cells by prompting tissue remodeling. This process is also regarded as a defense mechanism induced by cellular damage. In the course of oncogenesis, senescence can limit tumor progression. However, senescence participates in the pathoetiology of several disorders such as fibrotic disorders, vascular disorders, diabetes, renal disorders and sarcopenia. Recent studies have revealed contribution of different classes of non-coding RNAs in the cellular senescence. Long non-coding RNAs, microRNAs and circular RNAs are three classes of these transcripts whose contributions in this process have been more investigated. In the current review, we summarize the available literature on the impact of these transcripts in the cellular senescence.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Tayyebeh Khoshbakht
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Bashdar Mahmud Hussen
- Department of Pharmacognosy, College of Pharmacy, Hawler Medical University, Erbil, Iraq
- Center of Research and Strategic Studies, Lebanese French University, Erbil, Iraq
| | - Aria Baniahmad
- Institute of Human Genetics, Jena University Hospitals, Jena, Germany
- *Correspondence: Aria Baniahmad, ; Mohammad Taheri, ; Ahmad Eghbali,
| | - Wojciech Branicki
- Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
| | - Mohammad Taheri
- Institute of Human Genetics, Jena University Hospitals, Jena, Germany
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- *Correspondence: Aria Baniahmad, ; Mohammad Taheri, ; Ahmad Eghbali,
| | - Ahmad Eghbali
- Anesthesiology Research Center, Mofid Children Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- *Correspondence: Aria Baniahmad, ; Mohammad Taheri, ; Ahmad Eghbali,
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10
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Gong H, Chen H, Xiao P, Huang N, Han X, Zhang J, Yang Y, Li T, Zhao T, Tai H, Xu W, Zhang G, Gong C, Yang M, Tang X, Xiao H. miR-146a impedes the anti-aging effect of AMPK via NAMPT suppression and NAD +/SIRT inactivation. Signal Transduct Target Ther 2022; 7:66. [PMID: 35241643 DOI: 10.1038/s41392-022-00886-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 11/14/2021] [Accepted: 01/03/2022] [Indexed: 02/06/2023] Open
Abstract
Nicotinamide adenine dinucleotide (NAD+) is indispensable for the anti-aging activity of the sirtuin (SIRT) family enzymes. AMP-activated protein kinase (AMPK) upregulates NAD+ synthesis and SIRT activity in a nicotinamide phosphoribosyltransferase (NAMPT)-dependent manner. However, the molecular mechanisms that affect AMPK-driven NAMPT expression and NAD+/SIRT activation remain unclear. In this study, we tried to identify senescence-associated microRNAs (miRNAs) that negatively regulate the cascade linking AMPK and NAMPT expression. miRNA-screening experiments showed that the expression of miR-146a increased in senescent cells but decreased following AMPK activation. Additionally, miR-146a overexpression weakened the metformin-mediated upregulation of NAMPT expression, NAD+ synthesis, SIRT activity, and senescence protection, whereas treatment with the miR-146a inhibitor reversed this effect. Importantly, these findings were observed both in vitro and in vivo. Mechanistically, miR-146a directly targeted the 3′-UTR of Nampt mRNA to reduce the expression of NAMPT. AMPK activators metformin and 5-aminoimidazole-4-carboxamide (AICAR) hindered miR-146a expression at the transcriptional level by promoting IκB kinase (IKK) phosphorylation to attenuate nuclear factor-kappaB (NF-κB) activity. These findings identified a novel cascade that negatively regulates the NAD+/SIRT pathway by suppressing miR-146a-mediated NAMPT downregulation. Furthermore, our results showed that miR-146a impedes the anti-aging effect of AMPK. This mutual inhibitory relationship between miR-146a and AMPK enriches our understanding of the molecular connections between AMPK and SIRT and provides new insight into miRNA-mediated NAD+/SIRT regulation and an intervention point for the prevention of aging and age-related diseases.
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Wu WP, Zhou MY, Liu DL, Min X, Shao T, Xu ZY, Jing X, Cai MY, Xu S, Liang X, Mo M, Liu X, Xiong XD. circGNAQ, a circular RNA enriched in vascular endothelium, inhibits endothelial cell senescence and atherosclerosis progression. Mol Ther Nucleic Acids 2021; 26:374-387. [PMID: 34552819 PMCID: PMC8426466 DOI: 10.1016/j.omtn.2021.07.020] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 07/30/2021] [Indexed: 11/19/2022]
Abstract
Endothelial cell senescence is one of the most important causes of vascular dysfunction and atherosclerosis. Circular RNAs (circRNAs) are endogenous RNA molecules with covalently closed-loop structures, which have been reported to be abnormally expressed in many human diseases. However, the potential role of circRNAs in endothelial cell senescence and atherosclerosis remains largely unknown. Here, we compared the expression patterns of circRNAs in young and senescent human endothelial cells with RNA sequencing. Among the differentially expressed circRNAs, circGNAQ, a circRNA enriched in vascular endothelium, was significantly downregulated in senescent endothelial cells. circGNAQ silencing triggered endothelial cell senescence, as determined by a rise in senescence-associated β-galactosidase activity, reduced cell proliferation, and suppressed angiogenesis; circGNAQ overexpression showed the opposite effects. Mechanistic studies revealed that circGNAQ acted as an endogenous miR-146a-5p sponge to increase the expression of its target gene PLK2 by decoying the miR-146a-5p, thereby delaying endothelial cell senescence. In vivo studies showed that circGNAQ overexpression in the endothelium inhibited endothelial cell senescence and atherosclerosis progression. These results suggest that circGNAQ plays critical roles in endothelial cell senescence and consequently the pathogenesis of atherosclerosis, implying that the management of circGNAQ provides a potential therapeutic approach for limiting the progression of atherosclerosis.
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Affiliation(s)
- Wei-peng Wu
- Institute of Aging Research, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, P.R. China
| | - Meng-yuan Zhou
- Institute of Aging Research, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, P.R. China
| | - Dong-liang Liu
- Institute of Aging Research, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, P.R. China
| | - Xue Min
- Institute of Aging Research, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, P.R. China
| | - Tong Shao
- Institute of Aging Research, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, P.R. China
| | - Zi-yang Xu
- Institute of Aging Research, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, P.R. China
| | - Xia Jing
- Institute of Aging Research, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, P.R. China
| | - Meng-yun Cai
- Institute of Aging Research, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, P.R. China
| | - Shun Xu
- Institute of Aging Research, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, P.R. China
| | - Xin Liang
- Institute of Aging Research, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, P.R. China
| | - Miaohua Mo
- Institute of Aging Research, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, P.R. China
| | - Xinguang Liu
- Institute of Aging Research, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, P.R. China
- Institute of Biochemistry & Molecular Biology, Guangdong Medical University, Zhanjiang 524023, P.R. China
| | - Xing-dong Xiong
- Institute of Aging Research, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, P.R. China
- Institute of Biochemistry & Molecular Biology, Guangdong Medical University, Zhanjiang 524023, P.R. China
- Corresponding author: Prof. Xing-dong Xiong, Institute of Aging Research, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan 523808, P.R. China.
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12
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Hildebrandt A, Kirchner B, Meidert AS, Brandes F, Lindemann A, Doose G, Doege A, Weidenhagen R, Reithmair M, Schelling G, Pfaffl MW. Detection of Atherosclerosis by Small RNA-Sequencing Analysis of Extracellular Vesicle Enriched Serum Samples. Front Cell Dev Biol 2021; 9:729061. [PMID: 34712662 PMCID: PMC8546328 DOI: 10.3389/fcell.2021.729061] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 09/14/2021] [Indexed: 01/02/2023] Open
Abstract
Atherosclerosis can occur throughout the arterial vascular system and lead to various diseases. Early diagnosis of atherosclerotic processes and of individual disease patterns would be more likely to be successful if targeted therapies were available. For this, it is important to find reliable biomarkers that are easily accessible and with little inconvenience for patients. There are many cell culture, animal model or tissue studies that found biomarkers at the microRNA (miRNA) and mRNA level describing atherosclerotic processes. However, little is known about their potential as circulating and liquid biopsy markers in patients. In this study, we examined serum-derived miRNA - profiles from 129 patients and 28 volunteers to identify potential biomarkers. The patients had four different atherosclerotic manifestations: abdominal aneurysm (n = 35), coronary heart disease (n = 34), carotid artery stenosis (n = 24) and peripheral arterial disease (n = 36). The samples were processed with an extracellular vesicle enrichment protocol, total-RNA extraction and small RNA-sequencing were performed. A differential expression analysis was performed bioinformatically to find potentially regulated miRNA biomarkers. Resulting miRNA candidates served as a starting point for an overrepresentation analysis in which relevant target mRNAs were identified. The Gene Ontology database revealed relevant biological functions in relation to atherosclerotic processes. In patients, expression of specific miRNAs changed significantly compared to healthy volunteers; 27 differentially expressed miRNAs were identified. We were able to detect a group-specific miRNA fingerprint: miR-122-5p, miR-2110 and miR-483-5p for abdominal aortic aneurysm, miR-370-3p and miR-409-3p for coronary heart disease, miR-335-3p, miR-381-3p, miR493-5p and miR654-3p for carotid artery stenosis, miR-199a-5p, miR-215-5p, miR-3168, miR-582-3p and miR-769-5p for peripheral arterial disease. The results of the study show that some of the identified miRNAs have already been associated with atherosclerosis in previous studies. Overrepresentation analysis on this data detected biological processes that are clearly relevant for atherosclerosis, its development and progression showing the potential of these miRNAs as biomarker candidates. In a next step, the relevance of these findings on the mRNA level is to be investigated and substantiated.
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Affiliation(s)
- Alex Hildebrandt
- Division of Animal Physiology and Immunology, School of Life Sciences Weihenstephan, Technical University of Munich, Freising, Germany
| | - Benedikt Kirchner
- Division of Animal Physiology and Immunology, School of Life Sciences Weihenstephan, Technical University of Munich, Freising, Germany
| | - Agnes S Meidert
- Department of Anesthesiology, University Hospital, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Florian Brandes
- Department of Anesthesiology, University Hospital, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Anja Lindemann
- Institute of Human Genetics, University Hospital, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Gero Doose
- ecSeq Bioinformatics GmbH, Leipzig, Germany
| | - Alexander Doege
- Department of Anesthesiology, University Hospital, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Rolf Weidenhagen
- Department of Vascular Surgery, Klinikum Neuperlach, Muenchen-Kliniken, Munich, Germany
| | - Marlene Reithmair
- Institute of Human Genetics, University Hospital, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Gustav Schelling
- Department of Anesthesiology, University Hospital, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Michael W Pfaffl
- Division of Animal Physiology and Immunology, School of Life Sciences Weihenstephan, Technical University of Munich, Freising, Germany
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13
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Fan Y, Wang J, He N, Feng H. PLK2 protects retinal ganglion cells from oxidative stress by potentiating Nrf2 signaling via GSK-3β. J Biochem Mol Toxicol 2021; 35:e22815. [PMID: 34047419 DOI: 10.1002/jbt.22815] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 04/15/2021] [Accepted: 05/14/2021] [Indexed: 12/13/2022]
Abstract
Oxidative stress of retinal ganglion cells (RGCs) has been established as a main contributor to retinal degeneration in the pathogenesis of glaucoma. Polo-like kinase 2 (PLK2) has recently been reported to be a potent antioxidant protein that enhances cell survival in response to oxidative stress. To date, the involvement of PLK2 in RGC-associated oxidative stress is undermined. In the present work, we evaluated whether PLK2 regulates oxidative stress evoked by hydrogen peroxide (H2 O2 ) in RGCs. PLK2 expression was induced by H2 O2 stimulation in RGCs. Upregulation of PLK2 had a profoundly cytoprotective effect on H2 O2 -stimulated RGCs by attenuating cellular apoptosis and reactive oxygen species (ROS) level. Further data revealed that upregulation of PLK2 strikingly enhanced the activation of Nrf2 signaling. Moreover, PLK2 overexpression promoted glycogen synthase kinase (GSK)-3β phosphorylation, whereas PLK2 knockdown reduced the levels of GSK-3β phosphorylation. Notably, GSK-3β inhibition using a chemical inhibitor markedly abrogated the suppressive effects of PLK2 knockdown on Nrf2 activation. Repression of Nrf2 blocked the PLK2 overexpression-induced protective effects in H2 O2 -stimulated RGCs. Overall, this study elucidates that upregulation of PLK2 protects RGCs against H2 O2 -induced oxidative stress injury by upregulating Nrf2 activation via modulation of GSK-3β phosphorylation. These findings underline the pivotal role of PLK2 in mediating oxidative stress-evoked retinal degeneration in the pathogenesis of glaucoma.
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Affiliation(s)
- Yazhi Fan
- Department of Ophthalmology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jianming Wang
- Department of Ophthalmology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Na He
- Department of Ophthalmology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Haixiao Feng
- Department of Ophthalmology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
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14
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Vrablik M, Dlouha D, Todorovova V, Stefler D, Hubacek JA. Genetics of Cardiovascular Disease: How Far Are We from Personalized CVD Risk Prediction and Management? Int J Mol Sci 2021; 22:ijms22084182. [PMID: 33920733 PMCID: PMC8074003 DOI: 10.3390/ijms22084182] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 04/09/2021] [Accepted: 04/12/2021] [Indexed: 12/13/2022] Open
Abstract
Despite the rapid progress in diagnosis and treatment of cardiovascular disease (CVD), this disease remains a major cause of mortality and morbidity. Recent progress over the last two decades in the field of molecular genetics, especially with new tools such as genome-wide association studies, has helped to identify new genes and their variants, which can be used for calculations of risk, prediction of treatment efficacy, or detection of subjects prone to drug side effects. Although the use of genetic risk scores further improves CVD prediction, the significance is not unambiguous, and some subjects at risk remain undetected. Further research directions should focus on the “second level” of genetic information, namely, regulatory molecules (miRNAs) and epigenetic changes, predominantly DNA methylation and gene-environment interactions.
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Affiliation(s)
- Michal Vrablik
- 3rd Department of Internal Medicine, General University Hospital and 1st Faculty of Medicine, Charles University, 11636 Prague, Czech Republic; (V.T.); (J.A.H.)
- Correspondence: ; Tel.: +420-224-962-122
| | - Dana Dlouha
- Experimental Medicine Centre, Institute for Clinical and Experimental Medicine, 14021 Prague, Czech Republic;
| | - Veronika Todorovova
- 3rd Department of Internal Medicine, General University Hospital and 1st Faculty of Medicine, Charles University, 11636 Prague, Czech Republic; (V.T.); (J.A.H.)
| | - Denes Stefler
- Department of Epidemiology and Public Health, Institute of Epidemiology and Health Care, University College London, London WC1E 7HB, UK;
| | - Jaroslav A. Hubacek
- 3rd Department of Internal Medicine, General University Hospital and 1st Faculty of Medicine, Charles University, 11636 Prague, Czech Republic; (V.T.); (J.A.H.)
- Experimental Medicine Centre, Institute for Clinical and Experimental Medicine, 14021 Prague, Czech Republic;
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15
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Corral-Jara KF, Nuthikattu S, Rutledge J, Villablanca A, Morand C, Schroeter H, Milenkovic D. Integrated Multi-Omic Analyses of the Genomic Modifications by Gut Microbiome-Derived Metabolites of Epicatechin, 5-(4'-Hydroxyphenyl)-γ-Valerolactone, in TNFalpha-Stimulated Primary Human Brain Microvascular Endothelial Cells. Front Neurosci 2021; 15:622640. [PMID: 33841078 PMCID: PMC8033932 DOI: 10.3389/fnins.2021.622640] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 03/02/2021] [Indexed: 12/22/2022] Open
Abstract
Cerebral blood vessels are lined with endothelial cells and form the blood-brain barrier. Their dysfunction constitutes a crucial event in the physiopathology of neurodegenerative disorders and cognitive impairment. Epicatechin can improve cognitive functions and lower the risk for Alzheimer’s disease or stroke. However, molecular mechanisms of epicatechin on brain vascular endothelium are still unexplored. The objective of this study was to investigate the biological effects of gut microbiome-derived metabolites of epicatechin, 5-(4′-Hydroxyphenyl)-γ-valerolactone-3′-sulfate and 5-(4′-Hydroxyphenyl)-γ-valerolactone-3′-O-glucuronide, in TNF-α-stimulated human brain microvascular endothelial cells at low (nM) concentrations by evaluating their multi-omic modification (expression of mRNA, microRNA, long non-coding RNAs, and proteins). We observed that metabolites are biologically active and can simultaneously modulate the expression of protein-coding and non-coding genes as well as proteins. Integrative bioinformatics analysis of obtained data revealed complex networks of genomics modifications by acting at different levels of regulation. Metabolites modulate cellular pathways including cell adhesion, cytoskeleton organization, focal adhesion, signaling pathways, pathways regulating endothelial permeability, and interaction with immune cells. This study demonstrates multimodal mechanisms of action by which epicatechin metabolites could preserve brain vascular endothelial cell integrity, presenting mechanisms of action underlying epicatechin neuroprotective properties.
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Affiliation(s)
| | - Saivageethi Nuthikattu
- Division of Cardiovascular Medicine, University of California, Davis, Davis, CA, United States
| | - John Rutledge
- Division of Cardiovascular Medicine, University of California, Davis, Davis, CA, United States
| | - Amparo Villablanca
- Division of Cardiovascular Medicine, University of California, Davis, Davis, CA, United States
| | - Christine Morand
- INRAE, UNH, Université Clermont Auvergne, St Genes Champanelle, France
| | | | - Dragan Milenkovic
- INRAE, UNH, Université Clermont Auvergne, St Genes Champanelle, France.,Division of Cardiovascular Medicine, University of California, Davis, Davis, CA, United States
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Abstract
PURPOSE OF REVIEW Acute myeloid leukemia (AML) is an aggressive malignancy of the bone marrow that has a poor prognosis with traditional cytotoxic chemotherapy, especially in elderly patients. In recent years, small molecule inhibitors targeting AML-associated IDH1, IDH2, and FLT3 mutations have been FDA approved. However, the majority of AML cases do not have a targetable mutation. A variety of novel agents targeting both previously untargetable mutations and general pathways in AML are currently being investigated. Herein, we review selected new targeted therapies currently in early-phase clinical investigation in AML. RECENT FINDINGS The DOT1L inhibitor pinometostat in KMT2A-rearranged AML, the menin inhibitors KO-539 and SYNDX-5613 in KMT2Ar and NPM1-mutated AML, and the mutant TP53 inhibitor APR-246 are examples of novel agents targeting specific mutations in AML. In addition, BET inhibitors, polo-like kinase inhibitors, and MDM2 inhibitors are promising new drug classes for AML which do not depend on the presence of a particular mutation. AML remains in incurable disease for many patients but advances in genomics, epigenetics, and drug discovery have led to the development of many potential novel therapeutic agents, many of which are being investigated in ongoing clinical trials. Additional studies will be necessary to determine how best to incorporate these novel agents into routine clinical treatment of AML.
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Affiliation(s)
- Nicole R Grieselhuber
- Division of Hematology, Department of Internal Medicine, The Ohio State University Comprehensive Cancer Center, Columbus, OH, USA
| | - Alice S Mims
- Division of Hematology, Department of Internal Medicine, The Ohio State University Comprehensive Cancer Center, Columbus, OH, USA.
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Zhan-Qiang H, Hai-Hua Q, Chi Z, Miao W, Cui Z, Zi-Yin L, Jing H, Yi-Wei W. miR-146a aggravates cognitive impairment and Alzheimer disease-like pathology by triggering oxidative stress through MAPK signaling. Neurologia 2021; 38:S0213-4853(21)00022-0. [PMID: 33715884 DOI: 10.1016/j.nrl.2020.12.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 12/14/2020] [Accepted: 12/26/2020] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Mir-146a-5p has been widely recognized as a critical regulatory element in the immune response. However, recent studies have shown that miR-146a-5p may also be involved in the development of Alzheimer disease (AD). Regrettably, the related mechanisms are poorly understood. Here, we investigated the effects of miR-146a in mice models and SH-SY5Y cells treated with amyloid β (Aβ)1-42. METHODS To create a model of AD, SH-SY5Y cells were treated with Aβ1-42 and mice received intracerebroventricular injections of Aβ1-42. Then, the transcriptional levels of miR-146a were estimated by real-time PCR. We transiently transfected the miR-146a-5p mimic/inhibitor into cells and mice to study the role of miR-146a. The role of signaling pathways including p38 and reactive oxygen species (ROS) was studied by using specific inhibitors. Aβ and amyloid-beta precursor protein (APP)levels were measured by immunoblotting. Furthermore, Aβ expression was analyzed by immunofluorescence and histochemical examinations. RESULTS Aβ1-42-stimulated SH-SY5Y cells displayed increased transcriptional levels of miR-146a and APP. Moreover, the p38 MAPK signaling pathway and ROS production were activated upon stimulation with a miR-146a-5p mimic. However, treatment with a miR-146a-5p inhibitor decreased the levels of APP, ROS, and p-p38 MAPK. A similar phenomenon was also observed in the animals treated with Aβ1-42, in which miR-146a upregulation increased the expression of Aβ, p-p38, and ROS, while the inhibition of miR-146a had the opposite effect. This suggests that miR-146a increases Aβ deposition and ROS accumulation via the p-p38 signaling pathway. CONCLUSIONS Our research demonstrates that miR-146a-5pa increases Aβ deposition by triggering oxidative stress through activation of MAPK signaling.
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Affiliation(s)
- H Zhan-Qiang
- Department of General medicine, Affiliated Hospital of Chengde Medical College, Chengde 067000, China
| | - Q Hai-Hua
- Department of Dermatology, Affiliated Hospital of Chengde Medical College, Chengde 067000, China
| | - Z Chi
- Department of Neurology, Affilicated Hospital of Chengde Medical College, Chengde 067000, China
| | - W Miao
- Department of General medicine, Affiliated Hospital of Chengde Medical College, Chengde 067000, China
| | - Z Cui
- Department of General medicine, Affiliated Hospital of Chengde Medical College, Chengde 067000, China
| | - L Zi-Yin
- Department of General medicine, Affiliated Hospital of Chengde Medical College, Chengde 067000, China
| | - H Jing
- Department of General medicine, Affiliated Hospital of Chengde Medical College, Chengde 067000, China
| | - W Yi-Wei
- Department of General medicine, Affiliated Hospital of Chengde Medical College, Chengde 067000, China.
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Al-Rawaf HA, Alghadir AH, Gabr SA. Molecular Changes in Circulating microRNAs' Expression and Oxidative Stress in Adults with Mild Cognitive Impairment: A Biochemical and Molecular Study. Clin Interv Aging 2021; 16:57-70. [PMID: 33447019 PMCID: PMC7802783 DOI: 10.2147/cia.s285689] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 12/15/2020] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND The release of miRNAs in tissue fluids significantly recommends its use as non-invasive diagnostic biomarkers for the progression and pathogenesis of mild cognitive impairment (MCI) in aged patients. OBJECTIVE The potential role of circulated miRNAs in the pathogenesis of MCI and its association with cellular oxidative stress, apoptosis, and circulated BDNF, Sirtuin 1 (SIRT1), and dipeptidyl peptidase-4 (DPP4) were evaluated in older adults with MCI. METHODS A total of 150 subjects aged 65.4±3.7 years were recruited in this study. The participants were classified into two groups: healthy normal (n=80) and MCI (n=70). Real-time PCR analysis was performed to estimate the relative expression of miRNAs; miR-124a, miR-483-5p, miR-142-3p, and miR-125b, and apoptotic-related genes Bax, Bcl-2, and caspase-3 in the sera of MCI and control subjects. In addition, oxidative stress parameters; MDA, NO, SOD, and CAT; as well as plasma DPP4 activity, BDNF, SIRT1 levels were colorimetrically estimated. RESULTS The levels of miR-124a and miR-483-5p significantly increased and miR-142-3p and miR-125b significantly reduced in the serum of MCI patients compared to controls. The expressed miRNAs significantly correlated with severe cognitive decline, measured by MMSE, MoCA, ADL, and memory scores. The expression of Bax, and caspase-3 apoptotic inducing genes significantly increased and Bcl-2 antiapoptotic gene significantly reduced in MCI subjects compared to controls. In addition, the plasma levels of MDA, NO, and DPP4 activity significantly increased, and the levels of SOD, CAT, BDNF, and SIRT1 significantly reduced in MCI subjects compared to controls. The expressed miRNAs correlated positively with NO, MDA, DPP4 activity, BDNF, and SIRT-1, and negatively with the levels of CAT, SOD, Bcl-2, Bax, and caspase-3 genes. CONCLUSION Circulating miR-124a, miR-483-5p, miR-142-3p, and miR-125b significantly associated with severe cognitive decline, cellular oxidative stress, and apoptosis in patients with MCI. Thus, it could be potential non-invasive biomarkers for the diagnosis of MCI with high diagnostic performance.
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Affiliation(s)
- Hadeel A Al-Rawaf
- Rehabilitation Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh, Kingdom of Saudi Arabia
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Ahmad H Alghadir
- Rehabilitation Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Sami A Gabr
- Rehabilitation Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh, Kingdom of Saudi Arabia
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Du H, Wang Y, Liu X, Wang S, Wu S, Yuan Z, Zhu X. miRNA-146a-5p mitigates stress-induced premature senescence of D-galactose-induced primary thymic stromal cells. Cytokine 2021; 137:155314. [PMID: 33002743 DOI: 10.1016/j.cyto.2020.155314] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 09/08/2020] [Accepted: 09/22/2020] [Indexed: 12/12/2022]
Abstract
Senescent thymic stromal cells (TSCs) producing senescence-associated secretory phenotype (SASP) may play a role at later phases of thymic involution. However, the etiology and mechanisms responsible for TSC senescence remain to be elucidated. In the present study, the effects of oxidative stress on TSCs and role of miRNA-146a-5p in stress-induced premature senescence (SIPS) were identified. D-galactose (D-gal) induced oxidative stress in primary TSCs and a limited cumulative oxidative stress induced premature senescence but not apoptosis of TSCs. miRNA-146a-5p overexpression can mitigate the SIPS by targeting tumor necrosis factor receptor-associated factor 6 (TRAF6) instead of increasing autophagy clearance. Furthermore, exogenous miRNA-146a-5p reversed the upregulation of chemokines including Cxcl5, pro-inflammatory cytokines, and antimicrobial peptides in TSCs with SIPS. In conclusion, the accumulated oxidative stress may be partially responsible for senescence in TSCs and modulation of miRNA-146a-5p may attenuate this process.
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Affiliation(s)
- Hongmei Du
- Research Center, Shengjing Hospital of China Medical University, 7 Mulan Road, Economic Development Zone, Benxi, China; Department of Oncology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang, China
| | - Yajun Wang
- Research Center, Shengjing Hospital of China Medical University, 7 Mulan Road, Economic Development Zone, Benxi, China
| | - Xue Liu
- Research Center, Shengjing Hospital of China Medical University, 7 Mulan Road, Economic Development Zone, Benxi, China
| | - Siliang Wang
- Department of Oncology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang, China
| | - Simeng Wu
- Department of Blood Transfusion, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang, China
| | - Zhe Yuan
- Department of Blood Transfusion, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Shenyang, China
| | - Xike Zhu
- Research Center, Shengjing Hospital of China Medical University, 7 Mulan Road, Economic Development Zone, Benxi, China.
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Saferding V, Hofmann M, Brunner JS, Niederreiter B, Timmen M, Magilnick N, Hayer S, Heller G, Steiner G, Stange R, Boldin M, Schabbauer G, Weigl M, Hackl M, Grillari J, Smolen JS, Blüml S. microRNA-146a controls age-related bone loss. Aging Cell 2020; 19:e13244. [PMID: 33085187 PMCID: PMC7681058 DOI: 10.1111/acel.13244] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 08/01/2020] [Accepted: 08/26/2020] [Indexed: 02/06/2023] Open
Abstract
Bone loss is one of the consequences of aging, leading to diseases such as osteoporosis and increased susceptibility to fragility fractures and therefore considerable morbidity and mortality in humans. Here, we identify microRNA‐146a (miR‐146a) as an essential epigenetic switch controlling bone loss with age. Mice deficient in miR‐146a show regular development of their skeleton. However, while WT mice start to lose bone with age, animals deficient in miR‐146a continue to accrue bone throughout their life span. Increased bone mass is due to increased generation and activity of osteoblasts in miR‐146a‐deficient mice as a result of sustained activation of bone anabolic Wnt signaling during aging. Deregulation of the miR‐146a target genes Wnt1 and Wnt5a parallels bone accrual and osteoblast generation, which is accompanied by reduced development of bone marrow adiposity. Furthermore, miR‐146a‐deficient mice are protected from ovariectomy‐induced bone loss. In humans, the levels of miR‐146a are increased in patients suffering fragility fractures in comparison with those who do not. These data identify miR‐146a as a crucial epigenetic temporal regulator which essentially controls bone homeostasis during aging by regulating bone anabolic Wnt signaling. Therefore, miR‐146a might be a powerful therapeutic target to prevent age‐related bone dysfunctions such as the development of bone marrow adiposity and osteoporosis.
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Affiliation(s)
- Victoria Saferding
- Department of Rheumatology Medical University of Vienna Vienna Austria
- Ludwig Boltzmann Institute for Arthritis and Rehabilitation Vienna Austria
| | - Melanie Hofmann
- Ludwig Boltzmann Institute for Arthritis and Rehabilitation Vienna Austria
- Institute for Vascular Biology Centre for Physiology and Pharmacology Medical University of Vienna Vienna Austria
| | - Julia S. Brunner
- Institute for Vascular Biology Centre for Physiology and Pharmacology Medical University of Vienna Vienna Austria
| | | | - Melanie Timmen
- Department of Regenerative Musculoskeletal Medicine Institute of Musculoskeletal Medicine (IMM) University Hospital Münster Münster Germany
| | - Nathaniel Magilnick
- Department of Molecular and Cellular Biology Beckman Research Institute City of Hope Duarte California USA
| | - Silvia Hayer
- Department of Rheumatology Medical University of Vienna Vienna Austria
| | - Gerwin Heller
- Department of Medicine I Medical University of Vienna Vienna Austria
| | - Günter Steiner
- Department of Rheumatology Medical University of Vienna Vienna Austria
| | - Richard Stange
- Department of Regenerative Musculoskeletal Medicine Institute of Musculoskeletal Medicine (IMM) University Hospital Münster Münster Germany
| | - Mark Boldin
- Department of Molecular and Cellular Biology Beckman Research Institute City of Hope Duarte California USA
| | - Gernot Schabbauer
- Institute for Vascular Biology Centre for Physiology and Pharmacology Medical University of Vienna Vienna Austria
| | - Moritz Weigl
- TAmiRNA GmbH Vienna Austria
- Austrian Cluster for Tissue Regeneration Vienna Austria
| | - Matthias Hackl
- TAmiRNA GmbH Vienna Austria
- Austrian Cluster for Tissue Regeneration Vienna Austria
| | - Johannes Grillari
- Austrian Cluster for Tissue Regeneration Vienna Austria
- Department of Biotechnology Institute for Molecular Biotechnology BOKU – University of Natural Resources and Life Sciences Vienna Austria
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology in AUVA Research Center Vienna Austria
| | - Josef S. Smolen
- Department of Rheumatology Medical University of Vienna Vienna Austria
| | - Stephan Blüml
- Department of Rheumatology Medical University of Vienna Vienna Austria
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Wang L, Wei J, Da Fonseca Ferreira A, Wang H, Zhang L, Zhang Q, Bellio MA, Chu XM, Khan A, Jayaweera D, Hare JM, Dong C. Rejuvenation of Senescent Endothelial Progenitor Cells by Extracellular Vesicles Derived From Mesenchymal Stromal Cells. JACC Basic Transl Sci 2020; 5:1127-41. [PMID: 33294742 DOI: 10.1016/j.jacbts.2020.08.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 08/11/2020] [Accepted: 08/12/2020] [Indexed: 02/08/2023]
Abstract
EVs derived from young, but not aged, MSCs rejuvenate senescent EPCs in vitro, recapitulating the effect of MSC transplantation. Aged MSCs can be genetically modified to produce tailored EVs with increased EPC rejuvenation capacity in vitro and increased angiogenesis capacity following ischemic event in vivo. EVs represent a promising platform to develop an acellular therapeutic approach in regenerative medicine for cardiovascular diseases.
Mesenchymal stromal cell (MSC) transplantation is a form of the stem-cell therapy that has shown beneficial effects for many diseases. The use of stem-cell therapy, including MSC transplantation, however, has limitations such as the tumorigenic potential of stem cells and the lack of efficacy of aged autologous cells. An ideal therapeutic approach would keep the beneficial effects of MSC transplantation while circumventing the limitations associated with the use of intact stem cells. This study provides proof-of-concept evidence that MSC-derived extracellular vesicles represent a promising platform to develop an acellular therapeutic approach that would just do that. Extracellular vesicles are membranous vesicles secreted by MSCs and contain bioactive molecules to mediate communication between different cells. Extracellular vesicles can be taken up by recipient cells, and once inside the recipient cells, the bioactive molecules are released to exert the beneficial effects on the recipient cells. This study, for the first time to our knowledge, shows that extracellular vesicles secreted by MSCs recapitulate the beneficial effects of MSCs on vascular repair and promote blood vessel regeneration after ischemic events. Furthermore, MSCs from aged donors can be engineered to produce extracellular vesicles with improved regenerative potential, comparable to MSCs from young donors, thus eliminating the need for allogenic young donors for elderly patients.
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Key Words
- BM, bone marrow
- CVD, cardiovascular disease
- EC, endothelial cell
- EPC, endothelial progenitor cell
- EV, extracellular vesicle
- FBS, fetal bovine serum
- MEM, minimum essential medium
- MI, myocardial infarction
- MSC, mesenchymal stromal cell
- NTA, nanotracking analysis
- PBS, phosphate-buffered saline
- TEV, tailored extracellular vesicle
- VEGF, vascular endothelial growth factor
- acellular
- angiogenesis
- extracellular vesicles
- lin− BMC, lineage negative bone marrow cell
- miR, microRNA
- qPCR, quantitative transcription polymerase chain reaction
- regeneration
- senescence
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Maffioletti E, Milanesi E, Ansari A, Zanetti O, Galluzzi S, Geroldi C, Gennarelli M, Bocchio-Chiavetto L. miR-146a Plasma Levels Are Not Altered in Alzheimer's Disease but Correlate With Age and Illness Severity. Front Aging Neurosci 2020; 11:366. [PMID: 32009940 PMCID: PMC6978630 DOI: 10.3389/fnagi.2019.00366] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 12/16/2019] [Indexed: 01/01/2023] Open
Abstract
miR-146a is a microRNA (miRNA) involved in neuroinflammation and aging; alterations in its expression were described in Alzheimer’s disease (AD). However, most of the studies conducted so far on this miRNA included a limited number of participants and produced contradictory results. We compared miR-146a levels in plasma from 33 AD patients vs. 28 age-matched non-affected controls (CTRL) through quantitative real-time polymerase chain reaction (qRT-PCR). No difference between the case and the control group was evidenced, but a correlation was detected between miR-146a levels and subjects’ age (p < 0.001) as well as between miR-146a levels and patients’ Mini-Mental State Examination (MMSE) scores (p = 0.011), in an enlarged group of 51 AD patients and 45 CTRL supporting a role for this miRNA in aging processes and disease progression.
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Affiliation(s)
- Elisabetta Maffioletti
- Genetics Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy.,Department of Molecular and Translational Medicine, Division of Biology and Genetics, University of Brescia, Brescia, Italy
| | - Elena Milanesi
- Department of Cellular and Molecular Medicine, "Victor Babes" National Institute of Pathology, Bucharest, Romania
| | - Abulaish Ansari
- Department of Molecular and Translational Medicine, Division of Biology and Genetics, University of Brescia, Brescia, Italy
| | - Orazio Zanetti
- Alzheimer's Research Unit, Memory Clinic, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
| | - Samantha Galluzzi
- Laboratory of Alzheimer's Neuroimaging and Epidemiology, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
| | - Cristina Geroldi
- Alzheimer's Research Unit, Memory Clinic, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
| | - Massimo Gennarelli
- Genetics Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy.,Department of Molecular and Translational Medicine, Division of Biology and Genetics, University of Brescia, Brescia, Italy
| | - Luisella Bocchio-Chiavetto
- Genetics Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy.,Faculty of Psychology, eCampus University, Como, Italy
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Abstract
Peripheral artery disease, caused by chronic arterial occlusion of the lower extremities, affects over 200 million people worldwide. Peripheral artery disease can progress into critical limb ischemia (CLI), its more severe manifestation, which is associated with higher risk of limb amputation and cardiovascular death. Aiming to improve tissue perfusion, therapeutic angiogenesis held promise to improve ischemic limbs using delivery of growth factors but has not successfully translated into benefits for patients. Moreover, accumulating studies suggest that impaired downstream signaling of these growth factors (or angiogenic resistance) may significantly contribute to CLI, particularly under harsh environments, such as diabetes mellitus. Noncoding RNAs are essential regulators of gene expression that control a range of pathophysiologies relevant to CLI, including angiogenesis/arteriogenesis, hypoxia, inflammation, stem/progenitor cells, and diabetes mellitus. In this review, we summarize the role of noncoding RNAs, including microRNAs and long noncoding RNAs, as functional mediators or biomarkers in the pathophysiology of CLI. A better understanding of these ncRNAs in CLI may provide opportunities for new targets in the prevention, diagnosis, and therapeutic management of this disabling disease state.
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Affiliation(s)
- Daniel Pérez-Cremades
- From the Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA (D.P.-C., H.S.C., M.W.F.).,Department of Physiology, University of Valencia and INCLIVA Biomedical Research Institute, Spain (D.P.-C.)
| | - Henry S Cheng
- From the Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA (D.P.-C., H.S.C., M.W.F.)
| | - Mark W Feinberg
- From the Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA (D.P.-C., H.S.C., M.W.F.)
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24
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Zhao D, Shun E, Ling F, Liu Q, Warsi A, Wang B, Zhou Q, Zhu C, Zheng H, Liu K, Zheng X. Plk2 Regulated by miR-128 Induces Ischemia-Reperfusion Injury in Cardiac Cells. Mol Ther Nucleic Acids 2019; 19:458-467. [PMID: 31902745 PMCID: PMC6948232 DOI: 10.1016/j.omtn.2019.11.029] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 11/11/2019] [Accepted: 11/24/2019] [Indexed: 12/19/2022]
Abstract
Ischemia-reperfusion (I/R) injury occurs during cardiac surgery and is the major factor leading to heart dysfunction and heart failure. Our previous study showed that gene and microRNA expression profiles are altered in heart grafts with extended I/R injury. In this study, we, for the first time, demonstrated that I/R injury upregulates the expression of Polo-like kinase 2 (Plk2) but decreases miR-128 expression in heart cells both in vitro and in vivo. Silencing Plk2 using small interfering RNA (siRNA) protects cells from Antimycin A-induced cell apoptosis/death. Silencing Plk2 also decreases phosphorylated p65 expression but increases Angiopoietin 1 expression. In addition, Plk2 is negatively regulated by miR-128. miR-128 exerts a protective effect on cell apoptosis similar to Plk2 siRNA in response to I/R stress. Methylation inhibitor 5-azacytidine (5-AZ) increases the expression of miR-128 and subsequently reduces Plk2 expression and cell apoptosis. In conclusion, this study demonstrated that Plk2 regulated by miR-128 induces cell apoptosis/death in response to I/R stress through activation of the nuclear factor κB (NF-κB) signal pathway. miR-128 and Plk2 are new targets for preventing cardiac I/R injury or oxidative stress-mediated injury.
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Affiliation(s)
- Duo Zhao
- Department of Cardiovascular Surgery, The Second Hospital of Jilin University, Changchun, China; Department of Pathology and Laboratory Medicine, Western University, London, ON, Canada; Department of Cardiovascular Surgery, The First People's Hospital of Foshan, Foshan, Guangdong, China
| | - Edward Shun
- Department of Pathology and Laboratory Medicine, Western University, London, ON, Canada
| | - Fengjun Ling
- Department of Pathology and Laboratory Medicine, Western University, London, ON, Canada
| | - Qing Liu
- Department of Cardiovascular Surgery, The Second Hospital of Jilin University, Changchun, China
| | - Ayesha Warsi
- Department of Pathology and Laboratory Medicine, Western University, London, ON, Canada
| | - Bowen Wang
- Department of Cardiovascular Surgery, The Second Hospital of Jilin University, Changchun, China; Department of Pathology and Laboratory Medicine, Western University, London, ON, Canada
| | - Qinfeng Zhou
- Department of Pathology and Laboratory Medicine, Western University, London, ON, Canada
| | - Cuilin Zhu
- Department of Cardiovascular Surgery, The Second Hospital of Jilin University, Changchun, China; Department of Pathology and Laboratory Medicine, Western University, London, ON, Canada
| | - Hao Zheng
- Department of Pathology and Laboratory Medicine, Western University, London, ON, Canada
| | - Kexiang Liu
- Department of Cardiovascular Surgery, The Second Hospital of Jilin University, Changchun, China.
| | - Xiufen Zheng
- Department of Pathology and Laboratory Medicine, Western University, London, ON, Canada; Department of Surgery, Western University, London, ON, Canada; Department of Oncology, Western University, London, ON, Canada; Lawson Health Research Institute, London, ON, Canada.
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Affiliation(s)
- Yao Lu
- From the Center of Clinical Pharmacology (Y.L.)
| | - Tanuja Thavarajah
- School of Cardiovascular Medicine and Sciences, King's College London British Heart Foundation Centre, United Kingdom (T.T., W.G., Q.X.)
| | - Wenduo Gu
- School of Cardiovascular Medicine and Sciences, King's College London British Heart Foundation Centre, United Kingdom (T.T., W.G., Q.X.)
| | - Jingjing Cai
- Department of Cardiology (J.C., Q.X.), Third Xiangya Hospital, Central South University, Changsha, China
| | - Qingbo Xu
- Department of Cardiology (J.C., Q.X.), Third Xiangya Hospital, Central South University, Changsha, China.,School of Cardiovascular Medicine and Sciences, King's College London British Heart Foundation Centre, United Kingdom (T.T., W.G., Q.X.)
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26
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Funahashi Y, Kato N, Masuda T, Nishio F, Kitai H, Ishimoto T, Kosugi T, Tsuboi N, Matsuda N, Maruyama S, Kadomatsu K. miR-146a targeted to splenic macrophages prevents sepsis-induced multiple organ injury. J Transl Med 2019; 99:1130-42. [PMID: 30700845 DOI: 10.1038/s41374-019-0190-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Revised: 11/28/2018] [Accepted: 12/13/2018] [Indexed: 12/26/2022] Open
Abstract
Development of a novel agent against life-threatening sepsis requires the in-depth understanding of the relevant pathophysiology and therapeutic targets. Given the function of microRNAs (miRNAs) as potent oligonucleotide therapeutics, here we investigated the pathophysiological role of exogenously applied miRNA in sepsis-induced multiple organ injury. In vitro, miR-16, miR-126, miR-146a, and miR-200b suppressed the production of pro-inflammatory cytokines in RAW264.7 macrophage cells after lipopolysaccharide (LPS) stimulation. Of these, miR-146a displayed the most highly suppressive effect, wherein the transcriptional activity of nuclear factor kappa B (NF-κB) was decreased via targeting of interleukin 1 receptor-associated kinase 1 and tumor necrosis receptor-associated factor 6. Sepsis was induced in mice via cecal ligation and puncture (CLP) and an intravenous injection of a complex of miR-146a-expressing plasmid and polyethyleneimine. Treatment with this complex significantly decreased the level of serum inflammatory cytokines, attenuated organ injury including kidney injury, and led to increased survival from polymicrobial sepsis induced by CLP. miR-146a-expressing plasmid was abundantly distributed in splenic macrophages, but not in renal parenchymal cells. CLP mice treated with miR-146a displayed significantly decreased NF-κB activation and splenocyte apoptosis. Splenectomy diminished the anti-inflammatory effects of miR-146a. The collective results support the conclusion that the induction of miR-146a expression in splenic macrophages prevents excessive inflammation and sepsis-induced multiple organ injury. This study establishes a novel and critical pathophysiological role for splenic macrophage interference in sepsis-related organ injury.
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Ansari A, Maffioletti E, Milanesi E, Marizzoni M, Frisoni GB, Blin O, Richardson JC, Bordet R, Forloni G, Gennarelli M, Bocchio-Chiavetto L. miR-146a and miR-181a are involved in the progression of mild cognitive impairment to Alzheimer's disease. Neurobiol Aging 2019; 82:102-109. [PMID: 31437718 DOI: 10.1016/j.neurobiolaging.2019.06.005] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 06/12/2019] [Accepted: 06/12/2019] [Indexed: 12/22/2022]
Abstract
The identification of mechanisms associated with Alzheimer's disease (AD) development in mild cognitive impairment (MCI) would be of great usefulness to clarify AD pathogenesis and to develop preventive and therapeutic strategies. In this study, blood levels of the candidate microRNAs (small noncoding RNAs that play a pivotal role in gene expression) miR-146a, miR-181a, miR-181b, miR-24-3p, miR-186a, miR-101, miR-339, miR-590, and miR-22 have been investigated for association to AD conversion within 2 years in a group of 45 patients with MCI. Baseline miR-146a (p = 0.036) and miR-181a (p = 0.026) showed a significant upregulation in patients with MCI who later converted to AD. These alterations were related to AD hallmarks: a significant negative correlation was found with amyloid beta cerebrospinal fluid concentration for miR-146a (p = 0.006) and miR-181a (p = 0.001). Moreover, higher levels of miR-146a were associated to apolipoprotein E ε4 allele presence, smaller volume of the hippocampus (p = 0.045) and of the CA1 (p = 0.013) and the subiculum (p = 0.027) subfields. Increased levels of miR-146a (p = 0.031) and miR-181a (p = 0.002) were also linked with diffusivity alterations in the cingulum. These data support a role for miR-146a and miR-181a in the mechanisms of AD progression.
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Affiliation(s)
- Abulaish Ansari
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Elisabetta Maffioletti
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Elena Milanesi
- Genetics Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy; Department of Cellular and Molecular Medicine, 'Victor Babes' National Institute of Pathology, Bucharest, Romania
| | - Moira Marizzoni
- Laboratory of Neuroimaging and Alzheimer's Epidemiology, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
| | - Giovanni B Frisoni
- Laboratory of Neuroimaging and Alzheimer's Epidemiology, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy; Memory Clinic and LANVIE - Laboratory of Neuroimaging of Aging, University Hospitals and University of Geneve, Geneve, Switzerland
| | - Oliver Blin
- AP-HM, CHU Timone, CIC CPCET, Service de Pharmacologie Clinique et Pharmacovigilance, Marseille, France
| | - Jill C Richardson
- Neurosciences Therapeutic Area Unit, GlaxoSmithKline R&D, Stevenage, UK; MRL UK, MSD, 2 Royal College Street, London, UK
| | - Regis Bordet
- U1171 Inserm, CHU Lille, Degenerative and Vascular Cognitive Disorders, University of Lille, Lille, France
| | - Gianluigi Forloni
- Neuroscience Department, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milano, Italy
| | - Massimo Gennarelli
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy; Genetics Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy.
| | - Luisella Bocchio-Chiavetto
- Genetics Unit, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy; Faculty of Psychology, eCampus University, Novedrate (Como), Italy
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Ma L, Hua R, Tian Y, Cheng H, Fajardo RJ, Pearson JJ, Guda T, Shropshire DB, Gu S, Jiang JX. Connexin 43 hemichannels protect bone loss during estrogen deficiency. Bone Res 2019; 7:11. [PMID: 31016065 DOI: 10.1038/s41413-019-0050-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 02/28/2019] [Accepted: 03/18/2019] [Indexed: 02/02/2023] Open
Abstract
Estrogen deficiency in postmenopausal women is a major cause of bone loss, resulting in osteopenia, osteoporosis, and a high risk for bone fracture. Connexin 43 (Cx43) hemichannels (HCs) in osteocytes play an important role in osteocyte viability, bone formation, and remodeling. We showed here that estrogen deficiency reduced Cx43 expression and HC function. To determine if functional HCs protect osteocytes and bone loss during estrogen deficiency, we adopted an ovariectomy model in wild-type (WT) and two transgenic Cx43 mice: R76W (dominant-negative mutant inhibiting only gap junction channels) and Cx43 Δ130–136 (dominant-negative mutant compromising both gap junction channels and HCs). The bone mineral density (BMD), bone structure, and histomorphometric changes of cortical and trabecular bones after ovariectomy were investigated. Our results showed that the Δ130–136 transgenic cohort had greatly decreased vertebral trabecular bone mass compared to WT and R76W mice, associated with a significant increase in the number of apoptotic osteocyte and empty lacunae. Moreover, osteoclast surfaces in trabecular and cortical bones were increased after ovariectomy in the R76W and WT mice, respectively, but not in ∆130–136 mice. These data demonstrate that impairment of Cx43 HCs in osteocytes accelerates vertebral trabecular bone loss and increase in osteocyte apoptosis, and further suggest that Cx43 HCs in osteocytes protect trabecular bone against catabolic effects due to estrogen deficiency. Channels that form between cells and their extracellular environment help protect bone tissue from the damage wrought by low estrogen levels, a major cause of bone loss in post-menopausal women. Jean Jiang from the UT Health San Antonio and colleagues showed that depleting the estrogen hormone in mouse bone cells reduced levels of connexin 43 and impaired the protein’s ability to forms pores known as ‘hemichannels’. The researchers surgically removed the ovaries of various mouse strains to induce estrogen deficiencies. They found that transgenic mice without working hemichannels had reduced bone mass compared to normal mice or mice that could make hemichannels but lacked the ability for those channels to come together to form complete passageways. The findings highlight the importance of connexin 43 hemichannels in protecting bone tissue against osteoporosis.
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Lin C, Bai S, Du T, Lai Y, Chen X, Peng S, Ma X, Wu W, Guo Z, Huang H. Polo-like kinase 3 is associated with poor prognosis and regulates proliferation and metastasis in prostate cancer. Cancer Manag Res 2019; 11:1517-1524. [PMID: 30863161 PMCID: PMC6388943 DOI: 10.2147/cmar.s176762] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Background Biological mechanism of prostate cancer (PCa) recurrence and progress is complex but many of the key elements are not fully understood. Polo-like kinases (Plks) represent a family of highly conserved serine–threonine kinases that play essential roles in cell cycle progression. Plk3 plays contradictory roles in different cancers. However, the roles of Plk3 in PCa remain largely unexplored. Methods Kaplan–Meier analysis and Cox regression analysis were performed to evaluate the relationship between Plk3 and prognosis of patients with PCa. Gene set enrichment analysis (GSEA) was conducted to evaluate proliferation and metastasis gene sets using The Cancer Genome Atlas Dataset. MTS assay, clone formation assay, cell migration, and wound healing assay were carried out to investigate biological functions of Plk3. Results We found that high Plk3 expression was closely correlated with poor prognosis. GSEA revealed that Plk3 was involved in proliferation and metastasis. Loss-of-function assays demonstrated that Plk3 promoted proliferation and metastasis in PCa cells in vitro. Conclusion We discovered that Plk3 plays a critical role in PCa, indicating that it may be a potential prognostic marker and help predict the progression, especially recurrence of PCa.
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Affiliation(s)
- Chunhao Lin
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China, ; .,Department of Urology, Sun Yatsen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China, ;
| | - Shoumin Bai
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China, ; .,Department of Radiation Oncology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Tao Du
- Department of Obstetrics and Gynecology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Yiming Lai
- Department of Urology, Sun Yatsen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China, ;
| | - Xianju Chen
- Department of Urology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518017, China
| | - Shengmeng Peng
- Department of Urology, Sun Yatsen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China, ;
| | - Xiaoming Ma
- Department of Urology, Sun Yatsen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China, ;
| | - Wanhua Wu
- Department of Urology, Sun Yatsen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China, ;
| | - Zhenghui Guo
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China, ; .,Department of Urology, Sun Yatsen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China, ;
| | - Hai Huang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China, ; .,Department of Urology, Sun Yatsen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China, ;
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Yamakuchi M, Hashiguchi T. Endothelial Cell Aging: How miRNAs Contribute? J Clin Med 2018; 7:E170. [PMID: 29996516 DOI: 10.3390/jcm7070170] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 07/04/2018] [Accepted: 07/09/2018] [Indexed: 12/19/2022] Open
Abstract
Endothelial cells (ECs) form monolayers and line the interior surfaces of blood vessels in the entire body. In most mammalian systems, the capacity of endothelial cells to divide is limited and endothelial cells are prone to be senescent. Aging of ECs and resultant endothelial dysfunction lead to a variety of vascular diseases such as atherosclerosis, diabetes mellites, hypertension, and ischemic injury. However, the mechanism by which ECs get old and become senescent and the impact of endothelial senescence on the vascular function are not fully understood. Recent research has unveiled the crucial roles of miRNAs, which are small non-coding RNAs, in regulating endothelial cellular functions, including nitric oxide production, vascular inflammation, and anti-thromboformation. In this review, how senescent-related miRNAs are involved in controlling the functions of ECs will be discussed.
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Teng Y, Luo M, Yu T, Chen L, Huang Q, Chen S, Xie L, Zeng Y, Luo F, Xiong H, Liu Y, Hou W, Feng Y. CRISPR/Cas9-mediated deletion of miR-146a enhances antiviral response in HIV-1 infected cells. Genes Immun 2019; 20:327-37. [PMID: 29961753 DOI: 10.1038/s41435-018-0036-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 04/16/2018] [Accepted: 04/17/2018] [Indexed: 02/07/2023]
Abstract
The human immunodeficiency virus type 1 (HIV-1) causes persistent infection in human and induces miR-146a expression in infected cells. miR-146a represses the innate immune response by inhibiting the expression of TRAF6 and IRAK1 genes, thus negatively controls the NF-κB-related cytokines and interferon stimulated genes. Here we reported that lentiviral CRISPR/Cas9 system was highly efficient in introducing mutations in the precursor miR-146a genomic sequences, resulting in a loss of miR-146a expression and function. miR-146a ablation led to increasing cytokines production in LPS-stimulated A549 cells. Moreover, miR-146a knockout in HIV-1 infected MT2 cells markedly increased the expression of cytokines and HIV-1 restriction factors and reversed T cell exhaustion markers expression, thus influencing HIV-1 replication. Our study indicates that lentiviral CRISPR/Cas9-mediated gene editing is an effective approach to abrogate miR-146a expression, which consequently inhibits HIV-1 replication as well as proviral reactivation by enhancing the expression of cytokines and HIV-1 restriction factors.
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Zhu W, Wang H, Wei J, Sartor GC, Bao MM, Pierce CT, Wahlestedt CR, Dykxhoorn DM, Dong C. Cocaine Exposure Increases Blood Pressure and Aortic Stiffness via the miR-30c-5p-Malic Enzyme 1-Reactive Oxygen Species Pathway. Hypertension 2018; 71:752-760. [PMID: 29483230 DOI: 10.1161/hypertensionaha.117.10213] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 08/28/2017] [Accepted: 12/14/2017] [Indexed: 02/07/2023]
Abstract
Cocaine abuse increases the risk of cardiovascular mortality and morbidity; however, the underlying molecular mechanisms remain elusive. By using a mouse model for cocaine abuse/use, we found that repeated cocaine injection led to increased blood pressure and aortic stiffness in mice associated with elevated levels of reactive oxygen species (ROS) in the aortas, a phenomenon similar to that observed in hypertensive humans. This ROS elevation was correlated with downregulation of Me1 (malic enzyme 1), an important redox molecule that counteracts ROS generation, and upregulation of microRNA (miR)-30c-5p that targets Me1 expression by directly binding to its 3'UTR (untranslated region). Remarkably, lentivirus-mediated overexpression of miR-30c-5p in aortic smooth muscle cells recapitulated the effect of cocaine on Me1 suppression, which in turn led to ROS elevation. Moreover, in vivo silencing of miR-30c-5p in smooth muscle cells resulted in Me1 upregulation, ROS reduction, and significantly suppressed cocaine-induced increases in blood pressure and aortic stiffness-a similar effect to that produced by treatment with the antioxidant N-acetyl cysteine. Discovery of this novel cocaine-↑miR-30c-5p-↓Me1-↑ROS pathway provides a potential new therapeutic avenue for treatment of cocaine abuse-related cardiovascular disease.
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Affiliation(s)
- Wei Zhu
- From the Interdisciplinary Stem Cell Institute (W.Z., H.W., J.W., M.M.B., C.T.P., C.D.), Center for Therapeutic Innovation, Department of Psychiatry and Behavioral Sciences (G.C.S., C.R.W.), and Department of Human Genetics, John P. Hussman Institute for Human Genomics (D.M.D.), University of Miami Miller School of Medicine, FL
| | - Huilan Wang
- From the Interdisciplinary Stem Cell Institute (W.Z., H.W., J.W., M.M.B., C.T.P., C.D.), Center for Therapeutic Innovation, Department of Psychiatry and Behavioral Sciences (G.C.S., C.R.W.), and Department of Human Genetics, John P. Hussman Institute for Human Genomics (D.M.D.), University of Miami Miller School of Medicine, FL
| | - Jianqin Wei
- From the Interdisciplinary Stem Cell Institute (W.Z., H.W., J.W., M.M.B., C.T.P., C.D.), Center for Therapeutic Innovation, Department of Psychiatry and Behavioral Sciences (G.C.S., C.R.W.), and Department of Human Genetics, John P. Hussman Institute for Human Genomics (D.M.D.), University of Miami Miller School of Medicine, FL
| | - Gregory C Sartor
- From the Interdisciplinary Stem Cell Institute (W.Z., H.W., J.W., M.M.B., C.T.P., C.D.), Center for Therapeutic Innovation, Department of Psychiatry and Behavioral Sciences (G.C.S., C.R.W.), and Department of Human Genetics, John P. Hussman Institute for Human Genomics (D.M.D.), University of Miami Miller School of Medicine, FL
| | - Michelle Meiqi Bao
- From the Interdisciplinary Stem Cell Institute (W.Z., H.W., J.W., M.M.B., C.T.P., C.D.), Center for Therapeutic Innovation, Department of Psychiatry and Behavioral Sciences (G.C.S., C.R.W.), and Department of Human Genetics, John P. Hussman Institute for Human Genomics (D.M.D.), University of Miami Miller School of Medicine, FL
| | - Clay T Pierce
- From the Interdisciplinary Stem Cell Institute (W.Z., H.W., J.W., M.M.B., C.T.P., C.D.), Center for Therapeutic Innovation, Department of Psychiatry and Behavioral Sciences (G.C.S., C.R.W.), and Department of Human Genetics, John P. Hussman Institute for Human Genomics (D.M.D.), University of Miami Miller School of Medicine, FL
| | - Claes R Wahlestedt
- From the Interdisciplinary Stem Cell Institute (W.Z., H.W., J.W., M.M.B., C.T.P., C.D.), Center for Therapeutic Innovation, Department of Psychiatry and Behavioral Sciences (G.C.S., C.R.W.), and Department of Human Genetics, John P. Hussman Institute for Human Genomics (D.M.D.), University of Miami Miller School of Medicine, FL
| | - Derek M Dykxhoorn
- From the Interdisciplinary Stem Cell Institute (W.Z., H.W., J.W., M.M.B., C.T.P., C.D.), Center for Therapeutic Innovation, Department of Psychiatry and Behavioral Sciences (G.C.S., C.R.W.), and Department of Human Genetics, John P. Hussman Institute for Human Genomics (D.M.D.), University of Miami Miller School of Medicine, FL
| | - Chunming Dong
- From the Interdisciplinary Stem Cell Institute (W.Z., H.W., J.W., M.M.B., C.T.P., C.D.), Center for Therapeutic Innovation, Department of Psychiatry and Behavioral Sciences (G.C.S., C.R.W.), and Department of Human Genetics, John P. Hussman Institute for Human Genomics (D.M.D.), University of Miami Miller School of Medicine, FL.
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Abstract
With a progressively growing elderly population, aging-associated cardiovascular diseases and other pathologies have brought great burden to the economy, society, and individuals. Therefore, identifying therapeutic targets and developing effective strategies to prevent from cardiovascular aging are highly needed. Accumulating evidences suggest that noncoding RNAs (ncRNAs) such as microRNAs and long noncoding RNAs (lncRNAs) play important roles in regulating gene expression, which contributes to many pathophysiological processes of cellular senescence, aging, and aging-related diseases in cardiovascular systems. Here we provided a general overview of ncRNAs as well as the underlying mechanisms involved in cardiovascular aging. Although the importance of ncRNAs in cardiovascular aging has been reported and commonly acknowledged, further studies are still necessary to elucidate the underlying molecular mechanisms.
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Affiliation(s)
- Yongqin Li
- Cardiac Regeneration and Ageing Lab, Institute of Cardiovascular Sciences, School of Life Science, Shanghai University, Shanghai, China
| | - Yujiao Zhu
- Cardiac Regeneration and Ageing Lab, Institute of Cardiovascular Sciences, School of Life Science, Shanghai University, Shanghai, China
| | - Guoping Li
- Cardiovascular Division of the Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Junjie Xiao
- Cardiac Regeneration and Ageing Lab, Institute of Cardiovascular Sciences, School of Life Science, Shanghai University, Shanghai, China.
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34
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Angelini F, Pagano F, Bordin A, Picchio V, De Falco E, Chimenti I. Getting Old through the Blood: Circulating Molecules in Aging and Senescence of Cardiovascular Regenerative Cells. Front Cardiovasc Med 2017; 4:62. [PMID: 29057227 PMCID: PMC5635266 DOI: 10.3389/fcvm.2017.00062] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 09/19/2017] [Indexed: 12/11/2022] Open
Abstract
Global aging is a hallmark of our century. The natural multifactorial process resulting in aging involves structural and functional changes, affecting molecules, cells, and tissues. As the western population is getting older, we are witnessing an increase in the burden of cardiovascular events, some of which are known to be directly linked to cellular senescence and dysfunction. In this review, we will focus on the description of a few circulating molecules, which have been correlated to life span, aging, and cardiovascular homeostasis. We will review the current literature concerning the circulating levels and related signaling pathways of selected proteins (insulin-like growth factor 1, growth and differentiation factor-11, and PAI-1) and microRNAs of interest (miR-34a, miR-146a, miR-21), whose bloodstream levels have been associated to aging in different organisms. In particular, we will also discuss their potential role in the biology and senescence of cardiovascular regenerative cell types, such as endothelial progenitor cells, mesenchymal stromal cells, and cardiac progenitor cells.
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Affiliation(s)
- Francesco Angelini
- Department of Medical Surgical Sciences and Biotechnologies, "La Sapienza" University of Rome, Latina, Italy
| | - Francesca Pagano
- Department of Medical Surgical Sciences and Biotechnologies, "La Sapienza" University of Rome, Latina, Italy
| | - Antonella Bordin
- Department of Medical Surgical Sciences and Biotechnologies, "La Sapienza" University of Rome, Latina, Italy
| | - Vittorio Picchio
- Department of Medical Surgical Sciences and Biotechnologies, "La Sapienza" University of Rome, Latina, Italy
| | - Elena De Falco
- Department of Medical Surgical Sciences and Biotechnologies, "La Sapienza" University of Rome, Latina, Italy
| | - Isotta Chimenti
- Department of Medical Surgical Sciences and Biotechnologies, "La Sapienza" University of Rome, Latina, Italy
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35
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Affiliation(s)
- Jacqueline S. Dron
- From the Department of Biochemistry (J.S.D, R.H., R.A.H.), Robarts Research Institute (J.S.D., R.H., R.A.H.), and Department of Medicine (R.A.H.), Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada
| | - Rosettia Ho
- From the Department of Biochemistry (J.S.D, R.H., R.A.H.), Robarts Research Institute (J.S.D., R.H., R.A.H.), and Department of Medicine (R.A.H.), Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada
| | - Robert A. Hegele
- From the Department of Biochemistry (J.S.D, R.H., R.A.H.), Robarts Research Institute (J.S.D., R.H., R.A.H.), and Department of Medicine (R.A.H.), Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada
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