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Zhang D, Wang Y, Zhou Z, Wang L, Liu C, Jiang Y. Role of miRNA-regulated type H vessel formation in osteoporosis. Front Endocrinol (Lausanne) 2024; 15:1394785. [PMID: 38883597 PMCID: PMC11176424 DOI: 10.3389/fendo.2024.1394785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Accepted: 05/20/2024] [Indexed: 06/18/2024] Open
Abstract
Osteoporosis (OP) is a chronic systemic bone metabolism disease characterized by decreased bone mass, microarchitectural deterioration, and fragility fractures. With the demographic change caused by long lifespans and population aging, OP is a growing health problem. The role of miRNA in the pathogenesis of OP has also attracted widespread attention from scholars in recent years. Type H vessels are unique microvessels of the bone and have become a new focus in the pathogenesis of OP because they play an essential role in osteogenesis-angiogenesis coupling. Previous studies found some miRNAs regulate type H vessel formation through the regulatory factors, including platelet-derived growth factor-BB (PDGF-BB), hypoxia-inducible factor 1α (HIF-1α), vascular endothelial growth factor (VEGF), and so on. These findings help us gain a more in-depth understanding of the relationship among miRNAs, type H vessels, and OP to find a new perspective on treating OP. In the present mini-review, we will introduce the role of type H vessels in the pathogenesis of OP and the regulation of miRNAs on type H vessel formation by affecting regulatory factors to provide some valuable insights for future studies of OP treatment.
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Affiliation(s)
- Dailiang Zhang
- Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, China
| | - Yongjing Wang
- Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, China
| | - Zunzhen Zhou
- Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, China
| | - Limei Wang
- Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, China
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, China
| | - Chongzhi Liu
- Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, China
| | - Yuan Jiang
- Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, China
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2
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Patil RS, Maloney ME, Lucas R, Fulton DJR, Patel V, Bagi Z, Kovacs-Kasa A, Kovacs L, Su Y, Verin AD. Zinc-Dependent Histone Deacetylases in Lung Endothelial Pathobiology. Biomolecules 2024; 14:140. [PMID: 38397377 PMCID: PMC10886568 DOI: 10.3390/biom14020140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 01/19/2024] [Accepted: 01/21/2024] [Indexed: 02/25/2024] Open
Abstract
A monolayer of endothelial cells (ECs) lines the lumen of blood vessels and, as such, provides a semi-selective barrier between the blood and the interstitial space. Compromise of the lung EC barrier due to inflammatory or toxic events may result in pulmonary edema, which is a cardinal feature of acute lung injury (ALI) and its more severe form, acute respiratory distress syndrome (ARDS). The EC functions are controlled, at least in part, via epigenetic mechanisms mediated by histone deacetylases (HDACs). Zinc-dependent HDACs represent the largest group of HDACs and are activated by Zn2+. Members of this HDAC group are involved in epigenetic regulation primarily by modifying the structure of chromatin upon removal of acetyl groups from histones. In addition, they can deacetylate many non-histone histone proteins, including those located in extranuclear compartments. Recently, the therapeutic potential of inhibiting zinc-dependent HDACs for EC barrier preservation has gained momentum. However, the role of specific HDAC subtypes in EC barrier regulation remains largely unknown. This review aims to provide an update on the role of zinc-dependent HDACs in endothelial dysfunction and its related diseases. We will broadly focus on biological contributions, signaling pathways and transcriptional roles of HDACs in endothelial pathobiology associated mainly with lung diseases, and we will discuss the potential of their inhibitors for lung injury prevention.
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Affiliation(s)
- Rahul S. Patil
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - McKenzie E. Maloney
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Rudolf Lucas
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
- Department of Pharmacology and Toxicology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - David J. R. Fulton
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
- Department of Pharmacology and Toxicology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Vijay Patel
- Department of Cardiothoracic Surgery, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Zsolt Bagi
- Department of Physiology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Anita Kovacs-Kasa
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Laszlo Kovacs
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Yunchao Su
- Department of Pharmacology and Toxicology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Alexander D. Verin
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
- Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
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3
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Wang S, Deng X, Wu Y, Wu Y, Zhou S, Yang J, Huang Y. Understanding the pathogenesis of brain arteriovenous malformation: genetic variations, epigenetics, signaling pathways, and immune inflammation. Hum Genet 2023; 142:1633-1649. [PMID: 37768356 DOI: 10.1007/s00439-023-02605-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 09/10/2023] [Indexed: 09/29/2023]
Abstract
Brain arteriovenous malformation (BAVM) is a rare but serious cerebrovascular disease whose pathogenesis has not been fully elucidated. Studies have found that epigenetic regulation, genetic variation and their signaling pathways, immune inflammation, may be the cause of BAVM the main reason. This review comprehensively analyzes the key pathways and inflammatory factors related to BAVMs, and explores their interplay with epigenetic regulation and genetics. Studies have found that epigenetic regulation such as DNA methylation, non-coding RNAs and m6A RNA modification can regulate endothelial cell proliferation, apoptosis, migration and damage repair of vascular malformations through different target gene pathways. Gene defects such as KRAS, ACVRL1 and EPHB4 lead to a disordered vascular environment, which may promote abnormal proliferation of blood vessels through ERK, NOTCH, mTOR, Wnt and other pathways. PDGF-B and PDGFR-β were responsible for the recruitment of vascular adventitial cells and smooth muscle cells in the extracellular matrix environment of blood vessels, and played an important role in the pathological process of BAVM. Recent single-cell sequencing data revealed the diversity of various cell types within BAVM, as well as the heterogeneous expression of vascular-associated antigens, while neutrophils, macrophages and cytokines such as IL-6, IL-1, TNF-α, and IL-17A in BAVM tissue were significantly increased. Currently, there are no specific drugs targeting BAVMs, and biomarkers for BAVM formation, bleeding, and recurrence are lacking clinically. Therefore, further studies on molecular biological mechanisms will help to gain insight into the pathogenesis of BAVM and develop potential therapeutic strategies.
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Affiliation(s)
- Shiyi Wang
- Department of Neurology, The First Affiliated Hospital of Ningbo University, Ningbo, 315010, Zhejiang, China
| | - Xinpeng Deng
- Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, 315010, Zhejiang, China
| | - Yuefei Wu
- Department of Neurology, The First Affiliated Hospital of Ningbo University, Ningbo, 315010, Zhejiang, China
| | - Yiwen Wu
- Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, 315010, Zhejiang, China
| | - Shengjun Zhou
- Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, 315010, Zhejiang, China
| | - Jianhong Yang
- Department of Neurology, The First Affiliated Hospital of Ningbo University, Ningbo, 315010, Zhejiang, China.
| | - Yi Huang
- Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, 315010, Zhejiang, China.
- Key Laboratory of Precision Medicine for Atherosclerotic Diseases of Zhejiang Province, Ningbo, 315010, Zhejiang, China.
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Chu JC, Tseng HJ, Lee SB, Hsu KC, Hsin LW, Liang RH, Lin TE, Gao NC, Chen LC, Lu WH, Wang AHJ, Huang WJ. Synthesis and biological evaluation of C-4 substituted phenoxazine-bearing hydroxamic acids with potent class II histone deacetylase inhibitory activities. J Enzyme Inhib Med Chem 2023; 38:2212326. [PMID: 37190931 DOI: 10.1080/14756366.2023.2212326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023] Open
Abstract
Class II histone deacetylases (HDACs) are considered as potential targets to treat Alzheimer's disease (AD). Previously, C-3 substituted phenothiazine-containing compounds with class II HDAC-inhibiting activities was found to promote neurite outgrowth. This study replaced phenothiazine moiety with phenoxazine that contains many C-3 and C-4 substituents. Some resulting compounds bearing the C-4 substituent on a phenoxazine ring displayed potent class II HDAC inhibitory activities. Structure-activity relationship (SAR) of these compounds that inhibited HDAC isoenzymes was disclosed. Molecular modelling analysis demonstrates that the potent activities of C-4 substituted compounds probably arise from π-π stacked interactions between these compounds and class IIa HDAC enzymes. One of these, compound 7d exhibited the most potent class II HDAC inhibition (IC50= 3-870 nM). Notably, it protected neuron cells from H2O2-induced neuron damage at sub-μM concentrations, but with no significant cytotoxicity. These findings show that compound 7d is a lead compound for further development of anti-neurodegenerative agents.
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Affiliation(s)
- Jung-Chun Chu
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Hui-Ju Tseng
- School of Pharmacy, Taipei Medical University, Taipei, Taiwan
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, California, United States
| | - Sung-Bau Lee
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Kai-Cheng Hsu
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
- Ph.D. Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
- TMU Research Center for Drug Discovery, Taipei Medical University, Taipei, Taiwan
| | - Ling-Wei Hsin
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Ru-Hao Liang
- School of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Tony Eight Lin
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
- Ph.D. Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Nain-Chu Gao
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Liang-Chieh Chen
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, California, United States
| | - Wan-Hsun Lu
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Andrew H-J Wang
- The Ph.D. Program for Translational Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Wei-Jan Huang
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
- School of Pharmacy, Taipei Medical University, Taipei, Taiwan
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
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5
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Wang Y, Abrol R, Mak JYW, Das Gupta K, Ramnath D, Karunakaran D, Fairlie DP, Sweet MJ. Histone deacetylase 7: a signalling hub controlling development, inflammation, metabolism and disease. FEBS J 2023; 290:2805-2832. [PMID: 35303381 PMCID: PMC10952174 DOI: 10.1111/febs.16437] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 02/02/2022] [Accepted: 03/16/2022] [Indexed: 12/20/2022]
Abstract
Histone deacetylases (HDACs) catalyse removal of acetyl groups from lysine residues on both histone and non-histone proteins to control numerous cellular processes. Of the 11 zinc-dependent classical HDACs, HDAC4, 5, 7 and 9 are class IIa HDAC enzymes that regulate cellular and developmental processes through both enzymatic and non-enzymatic mechanisms. Over the last two decades, HDAC7 has been associated with key roles in numerous physiological and pathological processes. Molecular, cellular, in vivo and disease association studies have revealed that HDAC7 acts through multiple mechanisms to control biological processes in immune cells, osteoclasts, muscle, the endothelium and epithelium. This HDAC protein regulates gene expression, cell proliferation, cell differentiation and cell survival and consequently controls development, angiogenesis, immune functions, inflammation and metabolism. This review focuses on the cell biology of HDAC7, including the regulation of its cellular localisation and molecular mechanisms of action, as well as its associative and causal links with cancer and inflammatory, metabolic and fibrotic diseases. We also review the development status of small molecule inhibitors targeting HDAC7 and their potential for intervention in different disease contexts.
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Affiliation(s)
- Yizhuo Wang
- Institute for Molecular Bioscience (IMB)The University of QueenslandSt. LuciaAustralia
- IMB Centre for Inflammation and Disease ResearchThe University of QueenslandSt. LuciaAustralia
| | - Rishika Abrol
- Institute for Molecular Bioscience (IMB)The University of QueenslandSt. LuciaAustralia
- IMB Centre for Inflammation and Disease ResearchThe University of QueenslandSt. LuciaAustralia
| | - Jeffrey Y. W. Mak
- Institute for Molecular Bioscience (IMB)The University of QueenslandSt. LuciaAustralia
| | - Kaustav Das Gupta
- Institute for Molecular Bioscience (IMB)The University of QueenslandSt. LuciaAustralia
- IMB Centre for Inflammation and Disease ResearchThe University of QueenslandSt. LuciaAustralia
| | - Divya Ramnath
- Institute for Molecular Bioscience (IMB)The University of QueenslandSt. LuciaAustralia
- IMB Centre for Inflammation and Disease ResearchThe University of QueenslandSt. LuciaAustralia
| | - Denuja Karunakaran
- Institute for Molecular Bioscience (IMB)The University of QueenslandSt. LuciaAustralia
- IMB Centre for Inflammation and Disease ResearchThe University of QueenslandSt. LuciaAustralia
| | - David P. Fairlie
- Institute for Molecular Bioscience (IMB)The University of QueenslandSt. LuciaAustralia
- IMB Centre for Inflammation and Disease ResearchThe University of QueenslandSt. LuciaAustralia
- Australian Infectious Diseases Research CentreThe University of QueenslandSt. LuciaAustralia
| | - Matthew J. Sweet
- Institute for Molecular Bioscience (IMB)The University of QueenslandSt. LuciaAustralia
- IMB Centre for Inflammation and Disease ResearchThe University of QueenslandSt. LuciaAustralia
- Australian Infectious Diseases Research CentreThe University of QueenslandSt. LuciaAustralia
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6
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Lee SM, Lee JW, Kim I, Woo DC, Pack CG, Sung YH, Baek IJ, Jung CH, Kim YH, Ha CH. Angiogenic adipokine C1q-TNF-related protein 9 ameliorates myocardial infarction via histone deacetylase 7-mediated MEF2 activation. SCIENCE ADVANCES 2022; 8:eabq0898. [PMID: 36459558 PMCID: PMC10936044 DOI: 10.1126/sciadv.abq0898] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 10/18/2022] [Indexed: 06/17/2023]
Abstract
C1q/tumor necrosis factor-related protein 9 (CTRP9) is an adipokine and has high potential as a therapeutic target. However, the role of CTRP9 in cardiovascular disease pathogenesis remains unclear. We found CTRP9 to induce HDAC7 and p38 MAPK phosphorylation via tight regulation of AMPK in vascular endothelial cells, leading to angiogenesis through increased MEF2 activity. The expression of CTRP9 and atheroprotective MEF2 was decreased in plaque tissue of atherosclerotic patients and the ventricle of post-infarction mice. CTRP9 treatment inhibited the formation of atherosclerotic plaques in ApoE KO and CTRP9 KO mice. In addition, CTRP9 induced significant ischemic injury prevention in the post-MI mice. Clinically, serum CTRP9 levels were reduced in patients with MI compared with healthy controls. In summary, CTRP9 induces a vasoprotective response via the AMPK/HDAC7/p38 MAPK pathway in vascular endothelial cells, whereas its absence can contribute to atherosclerosis and MI. Hence, CTRP9 may represent a valuable therapeutic target and biomarker in cardiovascular diseases.
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Affiliation(s)
- Seung Min Lee
- Department of Convergence Medicine and Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jin Woo Lee
- Department of Convergence Medicine and Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Inki Kim
- Department of Convergence Medicine and Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
- Convergence Medicine Research Center (CREDIT), Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Dong-Cheol Woo
- Department of Convergence Medicine and Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
- Convergence Medicine Research Center (CREDIT), Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Chan-Gi Pack
- Department of Convergence Medicine and Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
- Convergence Medicine Research Center (CREDIT), Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Young Hoon Sung
- Department of Convergence Medicine and Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
- Convergence Medicine Research Center (CREDIT), Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - In-Jeoung Baek
- Department of Convergence Medicine and Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
- Convergence Medicine Research Center (CREDIT), Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Chang Hee Jung
- Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Young-Hak Kim
- Cardiology Division, Asan Medical Center and University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Chang Hoon Ha
- Department of Convergence Medicine and Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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Bordin A, Chirivì M, Pagano F, Milan M, Iuliano M, Scaccia E, Fortunato O, Mangino G, Dhori X, De Marinis E, D'Amico A, Miglietta S, Picchio V, Rizzi R, Romeo G, Pulcinelli F, Chimenti I, Frati G, De Falco E. Human platelet lysate-derived extracellular vesicles enhance angiogenesis through miR-126. Cell Prolif 2022; 55:e13312. [PMID: 35946052 DOI: 10.1111/cpr.13312] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 06/08/2022] [Accepted: 06/23/2022] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVES Extracellular vesicles (EVs) are key biological mediators of several physiological functions within the cell microenvironment. Platelets are the most abundant source of EVs in the blood. Similarly, platelet lysate (PL), the best platelet derivative and angiogenic performer for regenerative purposes, is enriched of EVs, but their role is still too poorly discovered to be suitably exploited. Here, we explored the contribution of the EVs in PL, by investigating the angiogenic features extrapolated from that possessed by PL. METHODS We tested angiogenic ability and molecular cargo in 3D bioprinted models and by RNA sequencing analysis of PL-derived EVs. RESULTS A subset of small vesicles is highly represented in PL. The EVs do not retain aggregation ability, preserving a low redox state in human umbilical vein endothelial cells (HUVECs) and increasing the angiogenic tubularly-like structures in 3D endothelial bioprinted constructs. EVs resembled the miRNome profile of PL, mainly enriched with small RNAs and a high amount of miR-126, the most abundant angiogenic miRNA in platelets. The transfer of miR-126 by EVs in HUVEC after the in vitro inhibition of the endogenous form, restored angiogenesis, without involving VEGF as a downstream target in this system. CONCLUSION PL is a biological source of available EVs with angiogenic effects involving a miRNAs-based cargo. These properties can be exploited for targeted molecular/biological manipulation of PL, by potentially developing a product exclusively manufactured of EVs.
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Affiliation(s)
- Antonella Bordin
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Maila Chirivì
- Department of Pathophysiology and Transplantation, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Francesca Pagano
- Institute of Biochemistry and Cell Biology, National Research Council of Italy (IBBC-CNR), Monterotondo, Rome, Italy
| | - Marika Milan
- UOC Neurologia, Fondazione Ca'Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Marco Iuliano
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Eleonora Scaccia
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
- Institute of Transfusion Medicine and Immunology, Mannheim Institute of Innate Immunoscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Orazio Fortunato
- Tumor Genomics Unit, Department of Research, IRCCS Fondazione Istituto Nazionale dei Tumori, Milan, Italy
| | - Giorgio Mangino
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Xhulio Dhori
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Elisabetta De Marinis
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Alessandra D'Amico
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Selenia Miglietta
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, La Sapienza University of Rome, Rome, Italy
| | - Vittorio Picchio
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Roberto Rizzi
- Istituto Nazionale Genetica Molecolare INGM 'Romeo ed Enrica Invernizzi', Milan, Italy
- Institute of Biomedical Technologies, National Research Council of Italy (ITB-CNR), Milan, Italy
| | - Giovanna Romeo
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Fabio Pulcinelli
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | - Isotta Chimenti
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
- Mediterranea Cardiocentro, Naples, Italy
| | - Giacomo Frati
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
- Department of AngioCardioNeurology, IRCCS Neuromed, Pozzili, Italy
| | - Elena De Falco
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
- Mediterranea Cardiocentro, Naples, Italy
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8
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Luan Y, Liu H, Luan Y, Yang Y, Yang J, Ren KD. New Insight in HDACs: Potential Therapeutic Targets for the Treatment of Atherosclerosis. Front Pharmacol 2022; 13:863677. [PMID: 35529430 PMCID: PMC9068932 DOI: 10.3389/fphar.2022.863677] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 03/21/2022] [Indexed: 12/13/2022] Open
Abstract
Atherosclerosis (AS) features include progressive hardening and reduced elasticity of arteries. AS is the leading cause of morbidity and mortality. An increasing amount of evidence showed that epigenetic modifications on genes serve are a main cause of several diseases, including AS. Histone deacetylases (HDACs) promote the deacetylation at lysine residues, thereby condensing the chromatin structures and further inhibiting the transcription of downstream genes. HDACs widely affect various physiological and pathological processes through transcriptional regulation or deacetylation of other non-histone proteins. In recent years, the role of HDACs in vascular systems has been revealed, and their effects on atherosclerosis have been widely reported. In this review, we discuss the members of HDACs in vascular systems, determine the diverse roles of HDACs in AS, and reveal the effects of HDAC inhibitors on AS progression. We provide new insights into the potential of HDAC inhibitors as drugs for AS treatment.
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Affiliation(s)
- Yi Luan
- Research Center for Clinical System Biology, Translational Medicine Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Hui Liu
- School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, China
| | - Ying Luan
- Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China
| | - Yang Yang
- Research Center for Clinical System Biology, Translational Medicine Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- *Correspondence: Yang Yang, ; Jing Yang, ; Kai-Di Ren,
| | - Jing Yang
- Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- *Correspondence: Yang Yang, ; Jing Yang, ; Kai-Di Ren,
| | - Kai-Di Ren
- Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- *Correspondence: Yang Yang, ; Jing Yang, ; Kai-Di Ren,
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9
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Cheng T, Kiser K, Grasse L, Iles L, Bartholomeusz G, Samaniego F, Orlowski RZ, Chandra J. Expression of histone deacetylase (HDAC) family members in bortezomib-refractory multiple myeloma and modulation by panobinostat. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2021; 4:888-902. [PMID: 34888496 PMCID: PMC8653980 DOI: 10.20517/cdr.2021.44] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AIM Multiple myeloma (MM) is a hematological malignancy of antibody-producing mature B cells or plasma cells. The proteasome inhibitor, bortezomib, was the first-in-class compound to be FDA approved for MM and is frequently utilized in induction therapy. However, bortezomib refractory disease is a major clinical concern, and the efficacy of the pan-histone deacetylase inhibitor (HDACi), panobinostat, in bortezomib refractory disease indicates that HDAC targeting is a viable strategy. Here, we utilized isogenic bortezomib resistant models to profile HDAC expression and define baseline and HDACi-induced expression patterns of individual HDAC family members in sensitive vs. resistant cells to better understanding the potential for targeting these enzymes. METHODS Gene expression of HDAC family members in two sets of isogenic bortezomib sensitive or resistant myeloma cell lines was examined. These cell lines were subsequently treated with HDAC inhibitors: panobinostat or vorinostat, and HDAC expression was evaluated. CRISPR/Cas9 knockdown and pharmacological inhibition of specific HDAC family members were conducted. RESULTS Interestingly, HDAC6 and HDAC7 were significantly upregulated and downregulated, respectively, in bortezomib-resistant cells. Panobinostat was effective at inducing cell death in these lines and modulated HDAC expression in cell lines and patient samples. Knockdown of HDAC7 inhibited cell growth while pharmacologically inhibiting HDAC6 augmented cell death by panobinostat. CONCLUSION Our data revealed heterogeneous expression of individual HDACs in bortezomib sensitive vs. resistant isogenic cell lines and patient samples treated with panobinostat. Cumulatively our findings highlight distinct roles for HDAC6 and HDAC7 in regulating cell death in the context of bortezomib resistance.
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Affiliation(s)
- Tiewei Cheng
- Department of Pediatrics Research, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Kendall Kiser
- McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Leslie Grasse
- Department of Pediatrics Research, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Lakesla Iles
- Department of Experimental Therapeutics, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Geoffrey Bartholomeusz
- Department of Experimental Therapeutics, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Felipe Samaniego
- Department of Lymphoma and Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Robert Z Orlowski
- Department of Experimental Therapeutics, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.,Department of Lymphoma and Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Joya Chandra
- Department of Pediatrics Research, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.,Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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10
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Histone Deacetylase 7 Inhibition in a Murine Model of Gram-Negative Pneumonia-Induced Acute Lung Injury. Shock 2021; 53:344-351. [PMID: 31083049 DOI: 10.1097/shk.0000000000001372] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Pulmonary infections remain the most common cause of Acute Respiratory Distress Syndrome (ARDS), a pulmonary inflammatory disease with high mortality, for which no targeted therapy currently exists. We have previously demonstrated an ameliorated syndrome with early, broad spectrum Histone Deacetylase (HDAC) inhibition in a murine model of gram-negative pneumonia-induced Acute Lung Injury (ALI), the underlying pulmonary pathologic phenotype leading to ARDS. With the current project we aim to determine if selective inhibition of a specific HDAC leads to a similar pro-survival phenotype, potentially pointing to a future therapeutic target. METHODS C57Bl/6 mice underwent endotracheal instillation of 30×10Escherichia coli (strain 19138) versus saline (n = 24). Half the infected mice were administered Trichostatin A (TSA) 30 min later. All animals were sacrificed 6 h later for tissue sampling and HDAC quantification, while another set of animals (n = 24) was followed to determine survival. Experiments were repeated with selective siRNA inhibition of the HDAC demonstrating the greatest inhibition versus scrambled siRNA (n = 24). RESULTS TSA significantly ameliorated the inflammatory phenotype and improved survival in infected-ALI mice, and HDAC7 was the HDAC with the greatest transcription and protein translation suppression. Similar results were obtained with selective HDAC7 siRNA inhibition compared with scrambled siRNA. CONCLUSION HDAC7 appears to play a key role in the inflammatory response that leads to ALI after gram-negative pneumonia in mice.
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11
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Kovacs-Kasa A, Kovacs L, Cherian-Shaw M, Patel V, Meadows ML, Fulton DJ, Su Y, Verin AD. Inhibition of Class IIa HDACs improves endothelial barrier function in endotoxin-induced acute lung injury. J Cell Physiol 2021; 236:2893-2905. [PMID: 32959895 PMCID: PMC9946131 DOI: 10.1002/jcp.30053] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 08/31/2020] [Accepted: 09/03/2020] [Indexed: 12/21/2022]
Abstract
Acute lung injury (ALI) is an acute inflammatory process arises from a wide range of lung insults. A major cause of ALI is dysfunction of the pulmonary vascular endothelial barrier but the mechanisms involved are incompletely understood. The therapeutic potential of histone deacetylase (HDAC) inhibitors for the treatment of cardiovascular and inflammatory diseases is increasingly apparent, but the mechanisms by which HDACs regulate pulmonary vascular barrier function remain to be resolved. We found that specific Class IIa HDACs inhibitor, TMP269, significantly attenuated the lipopolysaccharide (LPS)-induced human lung microvascular endothelial cells (HLMVEC) barrier compromise in vitro and improved vascular barrier integrity and lung function in murine model of ALI in vivo. TMP269 decreased LPS-induced myosin light chain phosphorylation suggesting the role for Class IIa HDACs in LPS-induced cytoskeleton reorganization. TMP269 did not affect microtubule structure and tubulin acetylation in contrast to the HDAC6-specific inhibitor, Tubastatin A suggesting that Class IIa HDACs and HDAC6 (Class IIb) regulate endothelial cytoskeleton and permeability via different mechanisms. Furthermore, LPS increased the expression of ArgBP2 which has recently been attributed to HDAC-mediated activation of Rho. Depletion of ArgBP2 abolished the ability of LPS to disrupt barrier function in HLMVEC and both TMP269 and Tubastatin A decreased the level of ArgBP2 expression after LPS stimulation suggesting that both Class IIa and IIb HDACs regulate endothelial permeability via ArgBP2-dependent mechanism. Collectively, our data strongly suggest that Class IIa HDACs are involved in LPS-induced ALI in vitro and in vivo via specific mechanism which involved contractile responses, but not microtubule reorganization.
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Affiliation(s)
- Anita Kovacs-Kasa
- Vascular Biology Center, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Laszlo Kovacs
- Department of Pharmacology and Toxicology, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Mary Cherian-Shaw
- Vascular Biology Center, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Vijay Patel
- Department of Cardiothoracic Surgery, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Mary L. Meadows
- Vascular Biology Center, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - David J. Fulton
- Vascular Biology Center, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
- Department of Pharmacology and Toxicology, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
| | - Yunchao Su
- Vascular Biology Center, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
- Department of Pharmacology and Toxicology, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
- Department of Medicine, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
- Research Service, Charlie Norwood Veterans Affairs Medical Center, Augusta, Georgia, USA
| | - Alexander D. Verin
- Vascular Biology Center, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
- Department of Medicine, Medical College of Georgia at Augusta University, Augusta, Georgia, USA
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12
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Hsu KC, Chu JC, Tseng HJ, Liu CI, Wang HC, Lin TE, Lee HS, Hsin LW, Wang AHJ, Lin CH, Huang WJ. Synthesis and biological evaluation of phenothiazine derivative-containing hydroxamic acids as potent class II histone deacetylase inhibitors. Eur J Med Chem 2021; 219:113419. [PMID: 33845233 DOI: 10.1016/j.ejmech.2021.113419] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 01/22/2021] [Accepted: 03/26/2021] [Indexed: 12/11/2022]
Abstract
The pathogenesis of Alzheimer's disease (AD) has been associated with dysregulation of histone deacetylases (HDACs). Previously, acridine-based HDAC inhibitors have shown potential in ameliorating HDAC activity and enhancing neurite outgrowth. In this study, the acridine ring was modified using various phenothiazine derivatives. Several resulting compounds exhibited potent enzyme-inhibiting activity towards class II HDACs when compared to the clinically approved HDAC inhibitor SAHA. Compound 4f demonstrated the highest class II HDAC inhibition (IC50 = 4.6-600 nM), as well as promotion of neurite outgrowth. Importantly, compound 4f displayed no cytotoxicity against neuron cells. Compound 4f was further evaluated for cellular effects. Altogether, these findings show a potential strategy in HDAC inhibition for treatment of the neurological disease.
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Affiliation(s)
- Kai-Cheng Hsu
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan; Ph.D. Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan; Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, Taipei, Taiwan; Biomedical Commercialization Center, Taipei Medical University, Taipei, Taiwan; TMU Research Center of Cancer Translational Medicine, Taiwan; Cancer Center, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
| | - Jung-Chun Chu
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Hui-Ju Tseng
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Chia-I Liu
- School of Medical Laboratory Science and Biotechnology, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Hao-Ching Wang
- The Ph.D. Program for Translational Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Tony Eight Lin
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan; Master Program in Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Hong-Sheng Lee
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Ling-Wei Hsin
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Andrew H-J Wang
- The Ph.D. Program for Translational Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Chien-Huang Lin
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan.
| | - Wei-Jan Huang
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, Taipei, Taiwan; Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan.
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13
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Guo Z, Mo Z. Regulation of endothelial cell differentiation in embryonic vascular development and its therapeutic potential in cardiovascular diseases. Life Sci 2021; 276:119406. [PMID: 33785330 DOI: 10.1016/j.lfs.2021.119406] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 03/05/2021] [Accepted: 03/14/2021] [Indexed: 12/17/2022]
Abstract
During vertebrate development, the cardiovascular system begins operating earlier than any other organ in the embryo. Endothelial cell (EC) forms the inner lining of blood vessels, and its extensive proliferation and migration are requisite for vasculogenesis and angiogenesis. Many aspects of cellular biology are involved in vasculogenesis and angiogenesis, including the tip versus stalk cell specification. Recently, epigenetics has attracted growing attention in regulating embryonic vascular development and controlling EC differentiation. Some proteins that regulate chromatin structure have been shown to be directly implicated in human cardiovascular diseases. Additionally, the roles of important EC signaling such as vascular endothelial growth factor and its receptors, angiopoietin-1 and tyrosine kinase containing immunoglobulin and epidermal growth factor homology domain-2, and transforming growth factor-β in EC differentiation during embryonic vasculature development are briefly discussed in this review. Recently, the transplantation of human induced pluripotent stem cell (iPSC)-ECs are promising approaches for the treatment of ischemic cardiovascular disease including myocardial infarction. Patient-specific iPSC-derived EC is a potential new target to study differences in gene expression or response to drugs. However, clinical application of the iPSC-ECs in regenerative medicine is often limited by the challenges of maintaining cell viability and function. Therefore, novel insights into the molecular mechanisms underlying EC differentiation might provide a better understanding of embryonic vascular development and bring out more effective EC-based therapeutic strategies for cardiovascular diseases.
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Affiliation(s)
- Zi Guo
- Department of Endocrinology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zhaohui Mo
- Department of Endocrinology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China.
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14
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Das Gupta K, Shakespear MR, Curson JEB, Murthy AMV, Iyer A, Hodson MP, Ramnath D, Tillu VA, von Pein JB, Reid RC, Tunny K, Hohenhaus DM, Moradi SV, Kelly GM, Kobayashi T, Gunter JH, Stevenson AJ, Xu W, Luo L, Jones A, Johnston WA, Blumenthal A, Alexandrov K, Collins BM, Stow JL, Fairlie DP, Sweet MJ. Class IIa Histone Deacetylases Drive Toll-like Receptor-Inducible Glycolysis and Macrophage Inflammatory Responses via Pyruvate Kinase M2. Cell Rep 2021; 30:2712-2728.e8. [PMID: 32101747 DOI: 10.1016/j.celrep.2020.02.007] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 09/30/2019] [Accepted: 02/03/2020] [Indexed: 12/14/2022] Open
Abstract
Histone deacetylases (HDACs) drive innate immune cell-mediated inflammation. Here we identify class IIa HDACs as key molecular links between Toll-like receptor (TLR)-inducible aerobic glycolysis and macrophage inflammatory responses. A proteomic screen identified the glycolytic enzyme pyruvate kinase M isoform 2 (Pkm2) as a partner of proinflammatory Hdac7 in murine macrophages. Myeloid-specific Hdac7 overexpression in transgenic mice amplifies lipopolysaccharide (LPS)-inducible lactate and promotes a glycolysis-associated inflammatory signature. Conversely, pharmacological or genetic targeting of Hdac7 and other class IIa HDACs attenuates LPS-inducible glycolysis and accompanying inflammatory responses in macrophages. We show that an Hdac7-Pkm2 complex acts as an immunometabolism signaling hub, whereby Pkm2 deacetylation at lysine 433 licenses its proinflammatory functions. Disrupting this complex suppresses inflammatory responses in vitro and in vivo. Class IIa HDACs are thus pivotal intermediates connecting TLR-inducible glycolysis to inflammation via Pkm2.
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Affiliation(s)
- Kaustav Das Gupta
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia; IMB Centre for Inflammation and Disease Research and Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Melanie R Shakespear
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia; IMB Centre for Inflammation and Disease Research and Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - James E B Curson
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia; IMB Centre for Inflammation and Disease Research and Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Ambika M V Murthy
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia; IMB Centre for Inflammation and Disease Research and Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Abishek Iyer
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia; IMB Centre for Inflammation and Disease Research and Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Queensland 4072, Australia; ARC Centre of Excellence in Advanced Molecular Imaging, IMB, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Mark P Hodson
- School of Pharmacy, The University of Queensland, Brisbane, Queensland 4072, Australia; Metabolomics Australia, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, Queensland 4072, Australia; Victor Chang Cardiac Research Institute, Sydney, New South Wales 2010, Australia
| | - Divya Ramnath
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia; IMB Centre for Inflammation and Disease Research and Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Vikas A Tillu
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Jessica B von Pein
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia; IMB Centre for Inflammation and Disease Research and Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Robert C Reid
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia; IMB Centre for Inflammation and Disease Research and Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Queensland 4072, Australia; ARC Centre of Excellence in Advanced Molecular Imaging, IMB, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Kathryn Tunny
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Daniel M Hohenhaus
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Shayli Varasteh Moradi
- CSIRO-QUT Synthetic Biology Alliance, Centre for Tropical Crops and Biocommodities, Queensland University of Technology (QUT), Gardens Point Campus, Brisbane, Queensland 4000, Australia
| | - Gregory M Kelly
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Takumi Kobayashi
- The University of Queensland Diamantina Institute, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Jennifer H Gunter
- Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation, School of Biomedical Sciences, Faculty of Health, Translational Research Institute, Queensland University of Technology (QUT), Brisbane, Queensland 4102, Australia
| | - Alexander J Stevenson
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Weijun Xu
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia; IMB Centre for Inflammation and Disease Research and Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Queensland 4072, Australia; ARC Centre of Excellence in Advanced Molecular Imaging, IMB, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Lin Luo
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia; IMB Centre for Inflammation and Disease Research and Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Alun Jones
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Wayne A Johnston
- CSIRO-QUT Synthetic Biology Alliance, Centre for Tropical Crops and Biocommodities, Queensland University of Technology (QUT), Gardens Point Campus, Brisbane, Queensland 4000, Australia
| | - Antje Blumenthal
- The University of Queensland Diamantina Institute, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Kirill Alexandrov
- CSIRO-QUT Synthetic Biology Alliance, Centre for Tropical Crops and Biocommodities, Queensland University of Technology (QUT), Gardens Point Campus, Brisbane, Queensland 4000, Australia
| | - Brett M Collins
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Jennifer L Stow
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia; IMB Centre for Inflammation and Disease Research and Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - David P Fairlie
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia; IMB Centre for Inflammation and Disease Research and Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Queensland 4072, Australia; ARC Centre of Excellence in Advanced Molecular Imaging, IMB, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Matthew J Sweet
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, Queensland 4072, Australia; IMB Centre for Inflammation and Disease Research and Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Queensland 4072, Australia.
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15
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Chen X, He Y, Fu W, Sahebkar A, Tan Y, Xu S, Li H. Histone Deacetylases (HDACs) and Atherosclerosis: A Mechanistic and Pharmacological Review. Front Cell Dev Biol 2020; 8:581015. [PMID: 33282862 PMCID: PMC7688915 DOI: 10.3389/fcell.2020.581015] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 10/14/2020] [Indexed: 12/12/2022] Open
Abstract
Atherosclerosis (AS), the most common underlying pathology for coronary artery disease, is a chronic inflammatory, proliferative disease in large- and medium-sized arteries. The vascular endothelium is important for maintaining vascular health. Endothelial dysfunction is a critical early event leading to AS, which is a major risk factor for stroke and myocardial infarction. Accumulating evidence has suggested the critical roles of histone deacetylases (HDACs) in regulating vascular cell homeostasis and AS. The purpose of this review is to present an updated view on the roles of HDACs (Class I, Class II, Class IV) and HDAC inhibitors in vascular dysfunction and AS. We also elaborate on the novel therapeutic targets and agents in atherosclerotic cardiovascular diseases.
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Affiliation(s)
- Xiaona Chen
- Department of Medical Biotechnology, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China.,The Research Center of Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yanhong He
- The Research Center of Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wenjun Fu
- The Research Center of Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Polish Mother's Memorial Hospital Research Institute, Łódź, Poland
| | - Yuhui Tan
- Department of Medical Biotechnology, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China.,The Research Center of Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Suowen Xu
- Department of Endocrinology, First Affiliated Hospital, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Hong Li
- Department of Medical Biotechnology, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China.,The Research Center of Basic Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
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16
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Vilà González M, Eleftheriadou M, Kelaini S, Naderi-Meshkin H, Flanagan S, Stewart S, Virgili G, Grieve DJ, Stitt AW, Lois N, Margariti A. Endothelial Cells Derived From Patients With Diabetic Macular Edema Recapitulate Clinical Evaluations of Anti-VEGF Responsiveness Through the Neuronal Pentraxin 2 Pathway. Diabetes 2020; 69:2170-2185. [PMID: 32796081 DOI: 10.2337/db19-1068] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 07/29/2020] [Indexed: 11/13/2022]
Abstract
Diabetic macular edema (DME) remains a leading cause of vision loss worldwide. DME is commonly treated with intravitreal injections of vascular endothelial growth factor (VEGF)-neutralizing antibodies. VEGF inhibitors (anti-VEGFs) are effective, but not all patients fully respond to them. Given the potential side effects, inconvenience, and high cost of anti-VEGFs, identifying who may not respond appropriately to them and why is essential. Herein we determine first the response to anti-VEGFs, using spectral-domain optical coherence tomography scans obtained from a cohort of patients with DME throughout the 1st year of treatment. We found that fluid fully cleared at some time during the 1st year in 28% of eyes ("full responders"); fluid cleared only partly in 66% ("partial responders"); and fluid remained unchanged in 6% ("nonresponders"). To understand this differential response, we generated induced pluripotent stem cells (iPSCs) from full responders and nonresponders, from subjects with diabetes but no DME, and from age-matched volunteers without diabetes. We differentiated these iPSCs into endothelial cells (iPSC-ECs). Monolayers of iPSC-ECs derived from patients with diabetes showed a marked and prolonged increase in permeability upon exposure to VEGF; the response was significantly exaggerated in iPSC-ECs from nonresponders. Moreover, phosphorylation of key cellular proteins in response to VEGF, including VEGFR2, and gene expression profiles, such as that of neuronal pentraxin 2, differed between full responders and nonresponders. In this study, iPSCs were used in order to predict patients' responses to anti-VEGFs and to identify key mechanisms that underpin the differential outcomes observed in the clinic. This approach identified NPTX2 as playing a significant role in patient-linked responses and as having potential as a new therapeutic target for DME.
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Affiliation(s)
| | | | - Sophia Kelaini
- Wellcome-Wolfson Institute for Experimental Medicine, Belfast, U.K
| | | | - Shonagh Flanagan
- Wellcome-Wolfson Institute for Experimental Medicine, Belfast, U.K
| | | | | | - David J Grieve
- Wellcome-Wolfson Institute for Experimental Medicine, Belfast, U.K
| | - Alan W Stitt
- Wellcome-Wolfson Institute for Experimental Medicine, Belfast, U.K
| | - Noemi Lois
- Wellcome-Wolfson Institute for Experimental Medicine, Belfast, U.K.
- The Belfast Health and Social Care Trust, Belfast, U.K
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17
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Nijhawan P, Behl T, Khullar G, Pal G, Kandhwal M, Goyal A. HDAC in obesity: A critical insight. ACTA ACUST UNITED AC 2020. [DOI: 10.1016/j.obmed.2020.100212] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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18
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Zhao TC, Wang Z, Zhao TY. The important role of histone deacetylases in modulating vascular physiology and arteriosclerosis. Atherosclerosis 2020; 303:36-42. [PMID: 32535412 DOI: 10.1016/j.atherosclerosis.2020.04.020] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 04/18/2020] [Accepted: 04/29/2020] [Indexed: 12/18/2022]
Abstract
Cardiovascular diseases are the leading cause of deaths in the world. Endothelial dysfunction followed by inflammation of the vessel wall leads to atherosclerotic lesion formation that causes ischemic heart and myocardial hypertrophy, which ultimately progress into cardiac dysfunction and failure. Histone deacetylases (HDACs) have been recognized to play crucial roles in cardiovascular disease, particularly in the epigenetic regulation of gene transcription in response to a variety of stresses. The unique nature of HDAC regulation includes that HDACs form a complex co-regulatory network with other transcription factors, deacetylate histones and non-histone proteins to facilitate the regulatory mechanism of the vascular system. The selective HDAC inhibitors are considered as the most promising target in cardiovascular disease, especially for preventing cardiac hypertrophy. In this review, we discuss our present knowledge of the cellular and molecular basis of HDACs in mediating the biological function of vascular cells and related pharmacologic interventions in vascular disease.
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Affiliation(s)
- Ting C Zhao
- Department of Surgery and Plastics Surgery, Brown University, Rhode Island Hospital, Providence, RI, USA.
| | - Zhengke Wang
- Department of Surgery, Boston University Medical School, Roger Williams Medical Center, Providence, 50 Maude Street, RI, 02908, USA
| | - Tina Y Zhao
- University of Rochester School of Medicine and Dentistry, Rochester, NY, USA
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Ciesielski O, Biesiekierska M, Balcerczyk A. Epigallocatechin-3-gallate (EGCG) Alters Histone Acetylation and Methylation and Impacts Chromatin Architecture Profile in Human Endothelial Cells. Molecules 2020; 25:molecules25102326. [PMID: 32429384 PMCID: PMC7287656 DOI: 10.3390/molecules25102326] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 05/13/2020] [Accepted: 05/14/2020] [Indexed: 01/07/2023] Open
Abstract
Epigallocatechin gallate (EGCG), the main green tea polyphenol, exerts a wide variety of biological actions. Epigenetically, the catechin has been classified as a DNMTs inhibitor, however, its impact on histone modifications and chromatin structure is still poorly understood. The purpose of this study was to find the impact of EGCG on the histone posttranslational modifications machinery and chromatin remodeling in human endothelial cells of both microvascular (HMEC-1) and vein (HUVECs) origin. We analyzed the methylation and acetylation status of histones (Western blotting), as well as assessed the activity (fluorometric assay kit) and gene expression (qPCR) of the enzymes playing a prominent role in shaping the human epigenome. The performed analyses showed that EGCG increases histone acetylation (H3K9/14ac, H3ac), and methylation of both active (H3K4me3) and repressive (H3K9me3) chromatin marks. We also found that the catechin acts as an HDAC inhibitor in cellular and cell-free models. Additionally, we observed that EGCG affects chromatin architecture by reducing the expression of heterochromatin binding proteins: HP1α, HP1γ. Our results indicate that EGCG promotes chromatin relaxation in human endothelial cells and presents a broad epigenetic potential affecting expression and activity of epigenome modulators including HDAC5 and 7, p300, CREBP, LSD1 or KMT2A.
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Affiliation(s)
- Oskar Ciesielski
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland; (O.C.); (M.B.)
- The Bio-Med-Chem Doctoral School of the University of Lodz and Lodz Institutes of the Polish Academy of Sciences, University of Łódź, Banacha 12/16, 90-237 Lodz, Poland
| | - Marta Biesiekierska
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland; (O.C.); (M.B.)
| | - Aneta Balcerczyk
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland; (O.C.); (M.B.)
- Correspondence: ; Tel.: +48-42-635-45-10
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20
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Ciesielski O, Biesiekierska M, Panthu B, Vialichka V, Pirola L, Balcerczyk A. The Epigenetic Profile of Tumor Endothelial Cells. Effects of Combined Therapy with Antiangiogenic and Epigenetic Drugs on Cancer Progression. Int J Mol Sci 2020; 21:ijms21072606. [PMID: 32283668 PMCID: PMC7177242 DOI: 10.3390/ijms21072606] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 04/04/2020] [Accepted: 04/06/2020] [Indexed: 02/07/2023] Open
Abstract
Tumors require a constant supply of nutrients to grow which are provided through tumor blood vessels. To metastasize, tumors need a route to enter circulation, that route is also provided by tumor blood vessels. Thus, angiogenesis is necessary for both tumor progression and metastasis. Angiogenesis is tightly regulated by a balance of angiogenic and antiangiogenic factors. Angiogenic factors of the vascular endothelial growth factor (VEGF) family lead to the activation of endothelial cells, proliferation, and neovascularization. Significant VEGF-A upregulation is commonly observed in cancer cells, also due to hypoxic conditions, and activates endothelial cells (ECs) by paracrine signaling stimulating cell migration and proliferation, resulting in tumor-dependent angiogenesis. Conversely, antiangiogenic factors inhibit angiogenesis by suppressing ECs activation. One of the best-known anti-angiogenic factors is thrombospondin-1 (TSP-1). In pathological angiogenesis, the balance shifts towards the proangiogenic factors and an angiogenic switch that promotes tumor angiogenesis. Here, we review the current literature supporting the notion of the existence of two different endothelial lineages: normal endothelial cells (NECs), representing the physiological form of vascular endothelium, and tumor endothelial cells (TECs), which are strongly promoted by the tumor microenvironment and are biologically different from NECs. The angiogenic switch would be also important for the explanation of the differences between NECs and TECs, as angiogenic factors, cytokines and growth factors secreted into the tumor microenvironment may cause genetic instability. In this review, we focus on the epigenetic differences between the two endothelial lineages, which provide a possible window for pharmacological targeting of TECs.
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Affiliation(s)
- Oskar Ciesielski
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland; (O.C.); (M.B.); (V.V.)
- The Bio-Med-Chem Doctoral School of the University of Lodz and Lodz Institutes of the Polish Academy of Sciences, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland
| | - Marta Biesiekierska
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland; (O.C.); (M.B.); (V.V.)
| | - Baptiste Panthu
- INSERM Unit 1060, CarMeN Laboratory, Lyon 1 University, 165 Chemin du Grand Revoyet—BP12, F-69495 Pierre Bénite CEDEX, France; (B.P.); (L.P.)
| | - Varvara Vialichka
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland; (O.C.); (M.B.); (V.V.)
| | - Luciano Pirola
- INSERM Unit 1060, CarMeN Laboratory, Lyon 1 University, 165 Chemin du Grand Revoyet—BP12, F-69495 Pierre Bénite CEDEX, France; (B.P.); (L.P.)
| | - Aneta Balcerczyk
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland; (O.C.); (M.B.); (V.V.)
- Correspondence: ; Tel.: +48-42-635-45-10
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21
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Wang R, Zhang H, Ding W, Fan Z, Ji B, Ding C, Ji F, Tang H. miR-143 promotes angiogenesis and osteoblast differentiation by targeting HDAC7. Cell Death Dis 2020; 11:179. [PMID: 32152265 PMCID: PMC7062786 DOI: 10.1038/s41419-020-2377-4] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 02/25/2020] [Accepted: 02/26/2020] [Indexed: 11/09/2022]
Abstract
The regulation of bone formation and detailed mechanisms are still largely elusive, and the roles of microRNAs in this process have attracted much attention. Recently, a specific subtype of CD31hiendomucinhi (CD31hiEMCNhi) endothelium has been identified to promote bone formation, together with osteoblast development. However, the role of microRNA143 in the generation of CD31hi EMCNhi endothelium and bone formation remains unknown. In this study, we found that miR-143 was expressed both in osteoblast cells and CD31hiEMCNhi endothelial cells. Serum miR-143 level was negatively correlated with age in humans. Overexpression of miR-143 promoted osteoblast formation and angiogenic effects. Furthermore, CD31hiEmcnhi vessels and osteoblast formation were significantly inhibited in miR-143 knockout mice. Mechanistically, inhibitor HDAC7 was directly targeted by miR-143 and knockdown of HDAC7 was found to rescue the function of miR-143 deficiency. Thus, miR-143 promotes angiogenesis coupling with osteoblast differentiation by targeting HDAC7, which may serve as a potential target in angiogenic and osteogenic diseases.
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Affiliation(s)
- Renkai Wang
- Department of Orthopedics, Changhai Hospital, Second Military Medical University, Shanghai, China.,Guangdong Key Lab of Orthopedic Technology and Implant Materials, Key Laboratory of Trauma and Tissue Repair of Tropical Area of PLA, Hospital of Orthopedics, General Hospital of Southern Theater Command of PLA, 111 Liuhua Road, Guangzhou, Guangdong, 510010, China
| | - Hao Zhang
- Department of Orthopedics, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Wenbin Ding
- Department of Orthopedics, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Zhenyu Fan
- Department of Orthopedics, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Boyao Ji
- Department of Orthopedics, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Chen Ding
- Department of Orthopedics, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Fang Ji
- Department of Orthopedics, Changhai Hospital, Second Military Medical University, Shanghai, China.
| | - Hao Tang
- Department of Orthopedics, Changhai Hospital, Second Military Medical University, Shanghai, China.
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22
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Guarner-Lans V, Ramírez-Higuera A, Rubio-Ruiz ME, Castrejón-Téllez V, Soto ME, Pérez-Torres I. Early Programming of Adult Systemic Essential Hypertension. Int J Mol Sci 2020; 21:E1203. [PMID: 32054074 PMCID: PMC7072742 DOI: 10.3390/ijms21041203] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 01/27/2020] [Accepted: 02/10/2020] [Indexed: 12/13/2022] Open
Abstract
Cardiovascular diseases are being included in the study of developmental origins of health and disease (DOHaD) and essential systemic hypertension has also been added to this field. Epigenetic modifications are one of the main mechanisms leading to early programming of disease. Different environmental factors occurring during critical windows in the early stages of life may leave epigenetic cues, which may be involved in the programming of hypertension when individuals reach adulthood. Such environmental factors include pre-term birth, low weight at birth, altered programming of different organs such as the blood vessels and the kidney, and living in disadvantageous conditions in the programming of hypertension. Mechanisms behind these factors that impact on the programming include undernutrition, oxidative stress, inflammation, emotional stress, and changes in the microbiota. These factors and their underlying causes acting at the vascular level will be discussed in this paper. We also explore the establishment of epigenetic cues that may lead to hypertension at the vascular level such as DNA methylation, histone modifications (methylation and acetylation), and the role of microRNAs in the endothelial cells and blood vessel smooth muscle which participate in hypertension. Since epigenetic changes are reversible, the knowledge of this type of markers could be useful in the field of prevention, diagnosis or epigenetic drugs as a therapeutic approach to hypertension.
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Affiliation(s)
- Verónica Guarner-Lans
- Department of Physiology, Instituto Nacional de Cardiología “Ignacio Chávez”, Mexico City 14080, Mexico; (M.E.R.-R.); (V.C.-T.)
| | - Abril Ramírez-Higuera
- Nutrition Biochemistry Laboratory, Research and Food Development Unit. Veracruz Technological Institute, National Technological of Mexico, Veracruz 91897, Mexico;
| | - María Esther Rubio-Ruiz
- Department of Physiology, Instituto Nacional de Cardiología “Ignacio Chávez”, Mexico City 14080, Mexico; (M.E.R.-R.); (V.C.-T.)
| | - Vicente Castrejón-Téllez
- Department of Physiology, Instituto Nacional de Cardiología “Ignacio Chávez”, Mexico City 14080, Mexico; (M.E.R.-R.); (V.C.-T.)
| | - María Elena Soto
- Department of Immunology, Instituto Nacional de Cardiología “Ignacio Chávez”, Mexico 14080, Mexico;
| | - Israel Pérez-Torres
- Department of Cardiovascular Biomedicine, Instituto Nacional de Cardiología “Ignacio Chávez”, Mexico 14080, Mexico;
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23
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Yang J, Moraga A, Xu J, Zhao Y, Luo P, Lao KH, Margariti A, Zhao Q, Ding W, Wang G, Zhang M, Zheng L, Zhang Z, Hu Y, Wang W, Shen L, Smith A, Shah AM, Wang Q, Zeng L. A histone deacetylase 7-derived peptide promotes vascular regeneration via facilitating 14-3-3γ phosphorylation. Stem Cells 2020; 38:556-573. [PMID: 31721359 PMCID: PMC7187271 DOI: 10.1002/stem.3122] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 10/25/2019] [Indexed: 12/12/2022]
Abstract
Histone deacetylase 7 (HDAC7) plays a pivotal role in the maintenance of the endothelium integrity. In this study, we demonstrated that the intron-containing Hdac7 mRNA existed in the cytosol and that ribosomes bound to a short open reading frame (sORF) within the 5'-terminal noncoding area of this Hdac7 mRNA in response to vascular endothelial growth factor (VEGF) stimulation in the isolated stem cell antigen-1 positive (Sca1+ ) vascular progenitor cells (VPCs). A 7-amino acid (7A) peptide has been demonstrated to be translated from the sORF in Sca1+ -VPCs in vitro and in vivo. The 7A peptide was shown to receive phosphate group from the activated mitogen-activated protein kinase MEKK1 and transfer it to 14-3-3 gamma protein, forming an MEKK1-7A-14-3-3γ signal pathway downstream VEGF. The exogenous synthetic 7A peptide could increase Sca1+ -VPCs cell migration, re-endothelialization in the femoral artery injury, and angiogenesis in hind limb ischemia. A Hd7-7sFLAG transgenic mice line was generated as the loss-of-function model, in which the 7A peptide was replaced by a FLAG-tagged scrabbled peptide. Loss of the endogenous 7A impaired Sca1+ -VPCs cell migration, re-endothelialization of the injured femoral artery, and angiogenesis in ischemic tissues, which could be partially rescued by the addition of the exogenous 7A/7Ap peptide. This study provides evidence that sORFs can be alternatively translated and the derived peptides may play an important role in physiological processes including vascular remodeling.
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Affiliation(s)
- Junyao Yang
- School of Cardiovascular Medicine and Sciences, King's College - London British Heart Foundation Centre of Excellence, Faculty of Life Science and Medicine, King's College London, London, UK.,Department of Clinical Laboratory, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Ana Moraga
- School of Cardiovascular Medicine and Sciences, King's College - London British Heart Foundation Centre of Excellence, Faculty of Life Science and Medicine, King's College London, London, UK
| | - Jing Xu
- Institute of Bioengineering, Queen Mary University of London, London, UK
| | - Yue Zhao
- School of Cardiovascular Medicine and Sciences, King's College - London British Heart Foundation Centre of Excellence, Faculty of Life Science and Medicine, King's College London, London, UK
| | - Peiyi Luo
- School of Cardiovascular Medicine and Sciences, King's College - London British Heart Foundation Centre of Excellence, Faculty of Life Science and Medicine, King's College London, London, UK
| | - Ka Hou Lao
- School of Cardiovascular Medicine and Sciences, King's College - London British Heart Foundation Centre of Excellence, Faculty of Life Science and Medicine, King's College London, London, UK
| | - Andriana Margariti
- Centre for Experimental Medicine, Queen's University Belfast, Belfast, UK
| | - Qiang Zhao
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin, People's Republic of China
| | - Wei Ding
- Institute of Bioengineering, Queen Mary University of London, London, UK
| | - Gang Wang
- Department of Emergency Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, People's Republic of China
| | - Min Zhang
- School of Cardiovascular Medicine and Sciences, King's College - London British Heart Foundation Centre of Excellence, Faculty of Life Science and Medicine, King's College London, London, UK
| | - Lei Zheng
- Southern Medical University, Guangzhou, People's Republic of China
| | - Zhongyi Zhang
- School of Cardiovascular Medicine and Sciences, King's College - London British Heart Foundation Centre of Excellence, Faculty of Life Science and Medicine, King's College London, London, UK
| | - Yanhua Hu
- School of Cardiovascular Medicine and Sciences, King's College - London British Heart Foundation Centre of Excellence, Faculty of Life Science and Medicine, King's College London, London, UK
| | - Wen Wang
- Institute of Bioengineering, Queen Mary University of London, London, UK
| | - Lisong Shen
- Department of Clinical Laboratory, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Alberto Smith
- School of Cardiovascular Medicine and Sciences, King's College - London British Heart Foundation Centre of Excellence, Faculty of Life Science and Medicine, King's College London, London, UK
| | - Ajay M Shah
- School of Cardiovascular Medicine and Sciences, King's College - London British Heart Foundation Centre of Excellence, Faculty of Life Science and Medicine, King's College London, London, UK
| | - Qian Wang
- Southern Medical University, Guangzhou, People's Republic of China
| | - Lingfang Zeng
- School of Cardiovascular Medicine and Sciences, King's College - London British Heart Foundation Centre of Excellence, Faculty of Life Science and Medicine, King's College London, London, UK
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24
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Lysine acetyltransferases and lysine deacetylases as targets for cardiovascular disease. Nat Rev Cardiol 2019; 17:96-115. [DOI: 10.1038/s41569-019-0235-9] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/26/2019] [Indexed: 12/28/2022]
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25
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Li Q, Zhou X, Fang Z, Pan Z. Effect of STC2 gene silencing on colorectal cancer cells. Mol Med Rep 2019; 20:977-984. [PMID: 31173256 PMCID: PMC6625197 DOI: 10.3892/mmr.2019.10332] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 03/27/2019] [Indexed: 02/06/2023] Open
Abstract
Stanniocalcin 2 (STC2), a secretory glycoprotein hormone, regulates many biological processes including cell proliferation, apoptosis, tumorigenesis and atherosclerosis. However, the effect of STC2 on proliferation, migration and epithelial-mesenchymal transition (EMT) progression in human colorectal cancer (CRC) cells remains poorly understood. The expression level of STC2 was determined by quantitative real-time polymerase chain reaction (qPCR) and western blot analysis. Cell Counting Kit-8 (CCK-8) was used to detect the viability of SW480 cells. The invasion and migration of cells were identified by wound healing and Transwell assays. The mRNA and protein expression levels of β-catenin, matrix metalloproteinase (MMP)-2, MMP-9, E-cadherin and vimentin were assessed by qPCR and western blot analysis. In the present study, it was demonstrated that STC2 was highly expressed in the CRC cell lines. After silencing of STC2, the cell viability, migration and invasion were significantly reduced. Silencing of STC2 in the CRC Sw480 cells increased the expression of E-cadherin and decreased the expression of vimentin, MMP-2 and MMP-9, compared to those in the normal and empty vector group. Furthermore, the expression of β-catenin in the STC2 gene silenced group was suppressed, and the expression of β-catenin was reversed by Wnt activator, SB216763. These results demonstrated that STC2 participates in the development and progression of CRC by promoting CRC cell proliferation, survival and migration and activating the Wnt/β-catenin signaling pathway.
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Affiliation(s)
- Qianyuan Li
- Department of Anorectal Surgery, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
| | - Xiukou Zhou
- Department of Anorectal Surgery, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
| | - Zhengyu Fang
- Department of Anorectal Surgery, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
| | - Zhiyun Pan
- Department of Anorectal Surgery, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310006, P.R. China
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26
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Yu X, Wang M, Wu J, Han Q, Zhang X. ZNF326 promotes malignant phenotype of glioma by up-regulating HDAC7 expression and activating Wnt pathway. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2019; 38:40. [PMID: 30691485 PMCID: PMC6350303 DOI: 10.1186/s13046-019-1031-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 01/08/2019] [Indexed: 01/01/2023]
Abstract
Background Zinc-finger protein-326 (ZNF326) was initially found in the NIH3T3 cell line to regulate cell growth, however, the expression and underlying role of ZNF326 in human tumours, especially in glioma, is not fully understood. Methods Immunohistochemistry was applied to detect the expression of ZNF326 in glioma tissues, and statistical analysis was used to analyse the relationship between ZNF326 expression and clinicopathological factors. The effect of ZNF326 on glioma cells proliferation and invasion was conducted by functional experiments both in vivo and in vitro. Chromatin immunoprecipitation and dual-luciferase assays were performed to demonstrate that histone deacetylase enzyme-7 (HDAC7) is the target gene of ZNF326. Immunoblotting, real-time PCR, GST-pulldown and co-immunoprecipitation assays were used to clarify the underlying role of ZNF326 on Wnt pathway activation. Results High nuclear expression of ZNF326 was observed in glioma cell lines and tissues, and closely related with advanced tumour grade in the patients. Moreover, ectopic ZNF326 expression promoted the proliferation and invasiveness of glioma cells. Mechanistically, ZNF326 could activate HDAC7 transcription by binding to a specific promoter region via its transcriptional activation domain and zinc-finger structures. The interaction of the up-regulated HDAC7 with β-catenin led to a decrease in β-catenin acetylation level at Lys-49, followed by a decrease in β-catenin phosphorylation level at Ser-45. These changes in β-catenin posttranscriptional modification levels promoted its redistribution and import into the nucleus. Additionally, ZNF326 directly associated with β-catenin in the nucleus, and enhanced the binding of β-catenin to TCF-4, serving as a co-activator in stimulating Wnt pathway. Conclusions Our findings elucidated ZNF326 promotes the malignant phenotype of human glioma via ZNF326-HDAC7-β-catenin signalling. This study reveals the vital role and mechanism of ZNF326 in the malignant progression of glioma, and provides the reference for finding biomarkers and therapeutic targets for glioma. Electronic supplementary material The online version of this article (10.1186/s13046-019-1031-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xinmiao Yu
- Department of Surgical Oncology and Breast Surgery, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Minghao Wang
- Department of Neurosurgery, First Affiliated Hospital of China Medical University, Shenyang, 110001, China.
| | - Jingjing Wu
- Department of Pathology, First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Qiang Han
- Department of Pathology, College of Basic Medical Sciences, and First Affiliated Hospital of China Medical University, Shenyang, China
| | - Xiupeng Zhang
- Department of Pathology, College of Basic Medical Sciences, and First Affiliated Hospital of China Medical University, Shenyang, China
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27
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Song S, Liu L, Yu Y, Zhang R, Li Y, Cao W, Xiao Y, Fang G, Li Z, Wang X, Wang Q, Zhao X, Chen L, Wang Y, Wang Q. Inhibition of BRD4 attenuates transverse aortic constriction- and TGF-β-induced endothelial-mesenchymal transition and cardiac fibrosis. J Mol Cell Cardiol 2018; 127:83-96. [PMID: 30529267 DOI: 10.1016/j.yjmcc.2018.12.002] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Revised: 11/17/2018] [Accepted: 12/04/2018] [Indexed: 12/19/2022]
Abstract
Cardiac fibrosis (CF), a process characterized by potentiated proliferation of cardiac fibroblasts and excessive secretion and deposition of extracellular matrix (ECM) from the cells, contributes strongly to the pathogenesis of a series of cardiovascular (CV) diseases, including AMI, heart failure and atrial fibrillation. Endothelial-mesenchymal transition (EndMT), one of the sources of transformed cardiac fibroblasts, has been reported as a key factor involved in CF. However, the molecular basis of EndMT has not been thoroughly elucidated to date. At the posttranscriptional level, of the three epigenetic regulators, writer and eraser are reported to be involved in EndMT, but the role of reader in the process is still unknown. In this study, we aimed to explore the role of Bromodomain-containing protein 4 (BRD4), an acetyl-lysine reader protein, in EndMT-induced CF and related mechanisms. We found that BRD4 was upregulated in endothelial cells (ECs) in the pressure-overload mouse heart and that its functional inhibitor JQ1 potently attenuated the TAC-induced CF and preserved cardiac function. In umbilical vein endothelial cells (HUVECs) and mouse aortic endothelial cells (MAECs), bothJQ1 and shRNA-mediated silencing of BRD4 blocked TGF-β-induced EC migration, EndMT and ECM synthesis and preserved the EC sprouting behavior, possibly through the downregulation of a group of transcription factors specific for EndMT (Snail, Twist and Slug), the Smads pathway and TGF-β receptor I. In the absence of TGF-β stimulation, ectopic expression of BRD4 alone could facilitate EndMT, accelerate migration and increase the synthesis of ECM. In vivo, JQ1 also attenuated TAC-induced EndMT and CF, which was consistent with JQ1's intracellular mechanisms of action. Our results showed that BRD4 plays a critical role in EndMT-induced CF and that targeting BRD4 might be a novel therapeutic option for CF.
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Affiliation(s)
- Shuai Song
- Department of Cardiology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Liang Liu
- Department of Cardiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Yi Yu
- Department of Ultrasound, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Rui Zhang
- Department of Cardiology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yigang Li
- Department of Cardiology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Wei Cao
- Department of Cardiology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ying Xiao
- Department of Cardiology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Guojian Fang
- Department of Cardiology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zhen Li
- Department of Geriatrics, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xuelian Wang
- Department of Geriatrics, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Qi Wang
- Department of Cardiovascular Surgery, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China
| | - Xin Zhao
- Department of Cardiovascular Surgery, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China
| | - Long Chen
- Department of Cardiovascular Surgery, Huadong Hospital Affiliated of Fudan University, 221 Yananxi Road, Shanghai 200040, China
| | - Yuepeng Wang
- Department of Cardiology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
| | - Qunshan Wang
- Department of Cardiology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
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28
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Narayanan S, Loganathan G, Mokshagundam S, Hughes MG, Williams SK, Balamurugan AN. Endothelial cell regulation through epigenetic mechanisms: Depicting parallels and its clinical application within an intra-islet microenvironment. Diabetes Res Clin Pract 2018; 143:120-133. [PMID: 29953914 DOI: 10.1016/j.diabres.2018.06.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 05/31/2018] [Accepted: 06/19/2018] [Indexed: 12/12/2022]
Abstract
The intra-islet endothelial cells (ECs), the building blocks of islet microvasculature, govern a number of cellular and pathophysiological processes associated with the pancreatic tissue. These cells are key to the angiogenic process and essential for islet revascularization after transplantation. Understanding fundamental mechanisms by which ECs regulate the angiogenic process is important as these cells maintain and regulate the intra-islet environment facilitated by a complex signaling crosstalk with the surrounding endocrine cells. In recent years, many studies have demonstrated the impact of epigenetic regulation on islet cell development and function. This review will present an overview of the reports involving endothelial epigenetic mechanisms particularly focusing on histone modifications which have been identified to play a critical role in governing EC functions by modifying the chromatin structure. A better understanding of epigenetic mechanisms by which these cells regulate gene expression and function to orchestrate cellular physiology and pathology is likely to offer improved insights on the functioning and regulation of an intra-islet endothelial microvascular environment.
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Affiliation(s)
- Siddharth Narayanan
- Clinical Islet Cell Laboratory, Center for Cellular Transplantation, Cardiovascular Innovation Institute, Department of Surgery, University of Louisville, Louisville, KY 40202, United States
| | - Gopalakrishnan Loganathan
- Clinical Islet Cell Laboratory, Center for Cellular Transplantation, Cardiovascular Innovation Institute, Department of Surgery, University of Louisville, Louisville, KY 40202, United States
| | | | - Michael G Hughes
- Clinical Islet Cell Laboratory, Center for Cellular Transplantation, Cardiovascular Innovation Institute, Department of Surgery, University of Louisville, Louisville, KY 40202, United States
| | - Stuart K Williams
- Department of Physiology, University of Louisville, Louisville, KY 40202, United States
| | - Appakalai N Balamurugan
- Clinical Islet Cell Laboratory, Center for Cellular Transplantation, Cardiovascular Innovation Institute, Department of Surgery, University of Louisville, Louisville, KY 40202, United States.
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Pan Y, Yang J, Wei Y, Wang H, Jiao R, Moraga A, Zhang Z, Hu Y, Kong D, Xu Q, Zeng L, Zhao Q. Histone Deacetylase 7-Derived Peptides Play a Vital Role in Vascular Repair and Regeneration. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1800006. [PMID: 30128229 PMCID: PMC6097091 DOI: 10.1002/advs.201800006] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 05/19/2018] [Indexed: 05/19/2023]
Abstract
Cardiovascular disease is a leading cause of morbidity and mortality globally. Accumulating evidence indicates that local resident stem/progenitor cells play an important role in vascular regeneration. Recently, it is demonstrated that a histone deacetylase 7-derived 7-amino acid peptide (7A, MHSPGAD) is critical in modulating the mobilization and orientated differentiation of these stem/progenitor cells. Here, its therapeutic efficacy in vascular repair and regeneration is evaluated. In vitro functional analyses reveal that the 7A peptide, in particular phosphorylated 7A (7Ap, MH[pSer]PGAD), could increase stem cell antigen-1 positive (Sca1+) vascular progenitor cell (VPC) migration and differentiation toward an endothelial cell lineage. Furthermore, local delivery of 7A as well as 7Ap could enhance angiogenesis and ameliorate vascular injury in ischaemic tissues; these findings are confirmed in a femoral artery injury model and a hindlimb ischaemia model, respectively. Importantly, sustained delivery of 7A, especially 7Ap, from tissue-engineered vascular grafts could attract Sca1+-VPC cells into the grafts, contributing to endothelialization and intima/media formation in the vascular graft. These results suggest that this novel type of peptides has great translational potential in vascular regenerative medicine.
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Affiliation(s)
- Yiwa Pan
- State key Laboratory of Medicinal Chemical Biology and Key Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai UniversityTianjin300071P. R. China
| | - Junyao Yang
- Cardiovascular DivisionFaculty of Life Science and MedicineKing's College LondonLondonSE5 9NUUK
| | - Yongzhen Wei
- State key Laboratory of Medicinal Chemical Biology and Key Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai UniversityTianjin300071P. R. China
| | - He Wang
- State key Laboratory of Medicinal Chemical Biology and Key Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai UniversityTianjin300071P. R. China
| | - Rongkuan Jiao
- State key Laboratory of Medicinal Chemical Biology and Key Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai UniversityTianjin300071P. R. China
| | - Ana Moraga
- Cardiovascular DivisionFaculty of Life Science and MedicineKing's College LondonLondonSE5 9NUUK
| | - Zhongyi Zhang
- Cardiovascular DivisionFaculty of Life Science and MedicineKing's College LondonLondonSE5 9NUUK
| | - Yanhua Hu
- Cardiovascular DivisionFaculty of Life Science and MedicineKing's College LondonLondonSE5 9NUUK
| | - Deling Kong
- State key Laboratory of Medicinal Chemical Biology and Key Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai UniversityTianjin300071P. R. China
| | - Qingbo Xu
- Cardiovascular DivisionFaculty of Life Science and MedicineKing's College LondonLondonSE5 9NUUK
| | - Lingfang Zeng
- Cardiovascular DivisionFaculty of Life Science and MedicineKing's College LondonLondonSE5 9NUUK
| | - Qiang Zhao
- State key Laboratory of Medicinal Chemical Biology and Key Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai UniversityTianjin300071P. R. China
- Jiangsu Center for the Collaboration and Innovation of Cancer BiotherapyCancer InstituteXuzhou Medical UniversityXuzhouJiangsu221000China
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Chen LC, Tseng HJ, Liu CY, Huang YY, Yen CC, Weng JR, Lu YL, Hou WC, Lin TE, Pan IH, Huang KK, Huang WJ, Hsu KC. Design of Diarylheptanoid Derivatives as Dual Inhibitors Against Class IIa Histone Deacetylase and β-amyloid Aggregation. Front Pharmacol 2018; 9:708. [PMID: 30018556 PMCID: PMC6037852 DOI: 10.3389/fphar.2018.00708] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 06/12/2018] [Indexed: 01/11/2023] Open
Abstract
Alzheimer’s disease (AD) is a progressive neurodegenerative disorder with multiple etiologies. Beta-amyloid (Aβ) self-aggregation and overexpression of class IIa histone deacetylases (HDACs) are strongly implicated with AD pathogenesis. In this study, a series of novel diarylheptanoid derivatives were designed, synthesized and evaluated for use as dual Aβ self-aggregation and class IIa HDAC inhibitors. Among these compounds, 4j, 5c, and 5e displayed effective inhibitions for Aβ self-aggregation, HDAC5 activity and HDAC7 activity with IC50 values of <10 μM. The compounds contain three common features: (1) a catechol or pyrogallol moiety, (2) a carbonyl linker and (3) an aromatic ring that can function as an HDAC cap and create hydrophobic interactions with Aβ1-42. Furthermore, compounds 4j, 5c, and 5e showed no significant cytotoxicity to human neuroblastoma SH-SY5Y cells and also exhibited neuroprotective effect against H2O2-induced toxicity. Overall, these promising in vitro data highlighted compounds 4j, 5c, and 5e as lead compounds that are worthy for further investigation.
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Affiliation(s)
- Liang-Chieh Chen
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan.,School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Hui-Ju Tseng
- Ph.D. Program in Biotechnology Research and Development, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Chang-Yi Liu
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Yun-Yi Huang
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Cheng-Chung Yen
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Jing-Ru Weng
- Department of Marine Technology and Resources, College of Marine Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Yeh-Lin Lu
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan.,School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Wen-Chi Hou
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Tony E Lin
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - I-Horng Pan
- Herbal Medicinal Product Division, Industrial Technology Research Institute, Hsinchu, Taiwan
| | - Kuo-Kuei Huang
- Herbal Medicinal Product Division, Industrial Technology Research Institute, Hsinchu, Taiwan
| | - Wei-Jan Huang
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan.,Ph.D. Program in Biotechnology Research and Development, College of Pharmacy, Taipei Medical University, Taipei, Taiwan.,Ph.D. Program for the Clinical Drug Discovery from Botanical Herbs, College of Pharmacy, Taipei Medical University, Taipei, Taiwan.,School of Pharmacy, National Defense Medical Center, Taipei, Taiwan
| | - Kai-Cheng Hsu
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
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Schiattarella GG, Madonna R, Van Linthout S, Thum T, Schulz R, Ferdinandy P, Perrino C. Epigenetic modulation of vascular diseases: Assessing the evidence and exploring the opportunities. Vascul Pharmacol 2018; 107:S1537-1891(17)30468-8. [PMID: 29548901 DOI: 10.1016/j.vph.2018.02.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2017] [Revised: 01/27/2018] [Accepted: 02/22/2018] [Indexed: 02/09/2023]
Abstract
Vascular adaptations to either physiological or pathophysiological conditions commonly require gene expression modifications in the most represented cellular elements of the vessel wall, i.e. endothelial and smooth muscle cells. In addition to transcription factors, a number of mechanisms contribute to the regulation of gene expression in these cells including noncoding RNAs, histone and DNA modifications, collectively indicated as epigenetic modifications. Here, we summarize the state of art regarding the role of epigenetic changes in major vascular diseases, and discuss the potential diagnostic and therapeutic applications of epigenetic modulation in this context.
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Affiliation(s)
| | - Rosalinda Madonna
- Center for Aging Sciences and Translational Medicine - CESI-MeT, Institute of Cardiology, Department of Neurosciences, Imaging and Clinical Sciences, "G. D'Annunzio" University, Chiety, Italy; Center for Cardiovascular Biology and Atherosclerosis Research, Department of Internal Medicine, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Sophie Van Linthout
- Berlin-Brandenburg Center for Regenerative Therapies, Charité, University Medicine Berlin, Campus Virchow, Berlin, Germany; Charité University Medicine Berlin, Campus Rudolf Virchow, Department of Cardiology, Berlin, Germany; DZHK (German Center for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
| | - Thomas Thum
- Institute of Molecular and Translational Therapeutic Strategies (IMTTS), Hannover Medical School, Hannover, Germany
| | - Rainer Schulz
- Institute of Physiology, Justus-Liebig University of Giessen, Giessen, Germany
| | - Peter Ferdinandy
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, Budapest, Hungary; Cardiovascular Research Group, Department of Biochemistry, University of Szeged, Szeged, Hungary; Pharmahungary Group, Szeged, Hungary
| | - Cinzia Perrino
- Department of Advanced Biomedical Sciences, Federico II University, Naples, Italy.
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Epigenetic Regulation of Vascular Aging and Age-Related Vascular Diseases. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1086:55-75. [PMID: 30232752 DOI: 10.1007/978-981-13-1117-8_4] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Vascular aging refers to the structural and functional defects that occur in the aorta during the aging process and is characterized by increased vascular cell senescence, vascular dyshomeostasis, and vascular remodeling. Vascular aging is a major risk factor for vascular diseases. However, the current understanding of the biological process of vascular aging and age-related diseases is insufficient. Epigenetic regulation can influence gene expression independently of the gene sequence and mainly includes DNA methylation, histone modifications, and RNA-based gene regulation. Epigenetic regulation plays important roles in many physiological and pathophysiological processes and may explain some gaps in our knowledge regarding the interaction between genes and diseases. In this review, we summarize recent advances in the understanding of the epigenetic regulation of vascular aging and age-related diseases in terms of vascular cell senescence, vascular dyshomeostasis, and vascular remodeling. Moreover, the possibility of targeting epigenetic regulation to delay vascular aging and treat age-related vascular diseases is also discussed.
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Lei Y, Liu L, Zhang S, Guo S, Li X, Wang J, Su B, Fang Y, Chen X, Ke H, Tao W. Hdac7 promotes lung tumorigenesis by inhibiting Stat3 activation. Mol Cancer 2017; 16:170. [PMID: 29126425 PMCID: PMC5681774 DOI: 10.1186/s12943-017-0736-2] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Accepted: 10/20/2017] [Indexed: 11/29/2022] Open
Abstract
Background Lung cancer is the leading cause of cancer death worldwide. However, the molecular mechanisms underlying lung cancer development have not been fully understood. The functions of histone deacetylases (HDACs), a class of total eighteen proteins (HDAC1–11 and SIRT1–7 in mammals) that deacetylate histones and non-histone proteins, in cancers are largely unknown. Methods Hdac7+/−/K-Ras mice and HDAC7-depleted human lung cancer cell lines were used as models for studying the function of Hdac7 gene in lung cancer. Kaplan-Meier survival analysis was performed to explore the relationship between HDAC7 expression and prognosis of human lung cancers. Recombinant lentivirus-mediated in vivo gene expression or knockdown, Western blotting, and pull-down assay were applied to investigate the underlying molecular mechanism by which Hdac7 promotes lung tumorigenesis. Results The number and burden of lung tumor were dramatically reduced in Hdac7+/−/K-Ras mice compared to control K-Ras mice. Also, in Hdac7+/−/K-Ras mice, cell proliferation was significantly inhibited and apoptosis in lung tumors was greatly enhanced. Similarly, cell proliferation and anchorage-independent growth of human lung cancer cell lines expressing shHDAC7 were also significantly suppressed and apoptosis was dramatically elevated respectively. Mechanistic study revealed that Hdac7 mutation in mouse lung tumors or HDAC7 depletion in human tumor cell lines resulted in significantly enhanced acetylation and tyrosine-phosphorylation of Stat3 and HDAC7 protein directly interacted with and deacetylateed STAT3. The Hdac7 mutant-mediated inhibitory effects on lung tumorigenesis in mice and cell proliferation/soft agar colony formation of human lung cancer cell lines were respectively reversed by expressing dnStat3. Finally, the high HDAC7 mRNA level was found to be correlated with poor prognosis of human lung cancer patients. Conclusion Our study suggests that Hdac7 promotes lung tumorigenesis by inhibiting Stat3 activation via deacetylating Stat3 and may shed a light on the design of new therapeutic strategies for human lung cancer. Electronic supplementary material The online version of this article (10.1186/s12943-017-0736-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yubin Lei
- Obstetrics & Gynecology Hospital and State Key Laboratory of Genetic Engineering and Institute of Developmental Biology and Molecular Medicine, Collaborative Innovation Center of Genetics and Development, School of Life Sciences, Fudan University, Shanghai, China
| | - Lingling Liu
- Obstetrics & Gynecology Hospital and State Key Laboratory of Genetic Engineering and Institute of Developmental Biology and Molecular Medicine, Collaborative Innovation Center of Genetics and Development, School of Life Sciences, Fudan University, Shanghai, China
| | - Shujing Zhang
- Obstetrics & Gynecology Hospital and State Key Laboratory of Genetic Engineering and Institute of Developmental Biology and Molecular Medicine, Collaborative Innovation Center of Genetics and Development, School of Life Sciences, Fudan University, Shanghai, China
| | - Shicheng Guo
- MOE Key Laboratory of Contemporary Anthropology and Collaborative Innovation Center of Genetics and Development, School of Life Sciences, Fudan University, Shanghai, China
| | - Xiaoqing Li
- Obstetrics & Gynecology Hospital and State Key Laboratory of Genetic Engineering and Institute of Developmental Biology and Molecular Medicine, Collaborative Innovation Center of Genetics and Development, School of Life Sciences, Fudan University, Shanghai, China
| | - Jiucun Wang
- MOE Key Laboratory of Contemporary Anthropology and Collaborative Innovation Center of Genetics and Development, School of Life Sciences, Fudan University, Shanghai, China
| | - Bo Su
- Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Yuchao Fang
- Huashan Hospital, Fudan University, Shanghai, China
| | - Xiaofeng Chen
- Huashan Hospital, Fudan University, Shanghai, China.
| | - Hengning Ke
- Cancer Research Institute, General Hospital, Ningxia Medical University, Yinchuan, China.
| | - Wufan Tao
- Obstetrics & Gynecology Hospital and State Key Laboratory of Genetic Engineering and Institute of Developmental Biology and Molecular Medicine, Collaborative Innovation Center of Genetics and Development, School of Life Sciences, Fudan University, Shanghai, China. .,Cancer Research Institute, General Hospital, Ningxia Medical University, Yinchuan, China.
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Early transcriptional alteration of histone deacetylases in a murine model of doxorubicin-induced cardiomyopathy. PLoS One 2017; 12:e0180571. [PMID: 28662206 PMCID: PMC5491252 DOI: 10.1371/journal.pone.0180571] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Accepted: 06/16/2017] [Indexed: 12/22/2022] Open
Abstract
Doxorubicin is a potent chemotherapeutic agent that is widely-used to treat a variety of cancers but causes acute and chronic cardiac injury, severely limiting its use. Clinically, the acute side effects of doxorubicin are mostly manageable, whereas the delayed consequences can lead to life-threatening heart failure, even decades after cancer treatment. The cardiotoxicity of doxorubicin is subject to a critical cumulative dose and so dosage limitation is considered to be the best way to reduce these effects. Hence, a number of studies have defined a "safe dose" of the drug, both in animal models and clinical settings, with the aim of avoiding long-term cardiac effects. Here we show that a dose generally considered as safe in a mouse model can induce harmful changes in the myocardium, as early as 2 weeks after infusion. The adverse changes include the development of fibrotic lesions, disarray of cardiomyocytes and a major transcription dysregulation. Importantly, low-dose doxorubicin caused specific changes in the transcriptional profile of several histone deacetylases (HDACs) which are epigenetic regulators of cardiac remodelling. This suggests that cardioprotective therapies, aimed at modulating HDACs during doxorubicin treatment, deserve further exploration.
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Bauer AJ, Martin KA. Coordinating Regulation of Gene Expression in Cardiovascular Disease: Interactions between Chromatin Modifiers and Transcription Factors. Front Cardiovasc Med 2017; 4:19. [PMID: 28428957 PMCID: PMC5382160 DOI: 10.3389/fcvm.2017.00019] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Accepted: 03/20/2017] [Indexed: 12/11/2022] Open
Abstract
Cardiovascular disease is a leading cause of death with increasing economic burden. The pathogenesis of cardiovascular diseases is complex, but can arise from genetic and/or environmental risk factors. This can lead to dysregulated gene expression in numerous cell types including cardiomyocytes, endothelial cells, vascular smooth muscle cells, and inflammatory cells. While initial studies addressed transcriptional control of gene expression, epigenetics has been increasingly appreciated to also play an important role in this process through alterations in chromatin structure and gene accessibility. Chromatin-modifying proteins including enzymes that modulate DNA methylation, histone methylation, and histone acetylation can influence gene expression in numerous ways. These chromatin modifiers and their marks can promote or prevent transcription factor recruitment to regulatory regions of genes through modifications to DNA, histones, or the transcription factors themselves. This review will focus on the emerging question of how epigenetic modifiers and transcription factors interact to coordinately regulate gene expression in cardiovascular disease. While most studies have addressed the roles of either epigenetic or transcriptional control, our understanding of the integration of these processes is only just beginning. Interrogating these interactions is challenging, and improved technical approaches will be needed to fully dissect the temporal and spatial relationships between transcription factors, chromatin modifiers, and gene expression in cardiovascular disease. We summarize the current state of the field and provide perspectives on limitations and future directions. Through studies of epigenetic and transcriptional interactions, we can advance our understanding of the basic mechanisms of cardiovascular disease pathogenesis to develop novel therapeutics.
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Affiliation(s)
- Ashley J Bauer
- Department of Medicine (Cardiovascular Medicine), Cardiovascular Research Center, Yale University School of Medicine, New Haven, CT, USA.,Department of Pharmacology, Cardiovascular Research Center, Yale University School of Medicine, New Haven, CT, USA
| | - Kathleen A Martin
- Department of Medicine (Cardiovascular Medicine), Cardiovascular Research Center, Yale University School of Medicine, New Haven, CT, USA.,Department of Pharmacology, Cardiovascular Research Center, Yale University School of Medicine, New Haven, CT, USA
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Yu Y, Cao F, Yu X, Zhou P, Di Q, Lei J, Tai Y, Wu H, Li X, Wang X, Zhang W, Li P, Li Y. The expression of HDAC7 in cancerous gastric tissues is positively associated with distant metastasis and poor patient prognosis. Clin Transl Oncol 2017; 19:1045-1054. [PMID: 28299580 DOI: 10.1007/s12094-017-1639-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Accepted: 02/27/2017] [Indexed: 12/13/2022]
Abstract
PURPOSE To characterize the expression patterns of HDAC7 in patients with gastric cancer and evaluate the prognostic value of HDAC7 in gastric cancer. METHODS The expression of histone deacetylase 7 (HDAC7) was detected in paraffin-embedded gastric cancer samples from 86 patients by immunohistochemistry, and the differences in the expression of HDAC7 between cancerous and corresponding adjacent noncancerous tissues were compared using the Wilcoxon matched-pairs signed rank test. The correlation between HDAC7 expression and Ki-67 expression or clinicopathologic characteristics was evaluated using a Spearman rank correlation test. Prognostic outcomes that correlated with HDAC7 were examined using a Kaplan-Meier analysis and Cox proportional hazards model. Moreover, the effects of HDAC7 on the proliferation, migration and invasion of gastric cancer cells were investigated in vitro using human gastric carcinoma AGS cells. RESULTS We found that HDAC7 was downregulated in cancerous gastric tissues (P = 0.0019). However, the expression of HDAC7 in cancerous gastric tissues positively correlated with Ki-67 expression (P = 0.0325) and distant metastasis (P = 0.020). Moreover, overall survival was shorter for patients expressing higher levels of HDAC7 in cancerous tissues (P = 0.042). Mechanistically, the disruption of the HDAC7 gene attenuated the capacity of cell growth, migration and invasion and induced G0/G1 arrest in AGS cells. Conversely, forced ovperexpression of HDAC7 promoted cell growth, migration and invasion and G1/S transition in AGS cells. CONCLUSIONS These results indicate that high HDAC7 expression in cancerous gastric tissues correlates with distant metastasis and predicts a poor prognosis for patients with gastric cancer.
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Affiliation(s)
- Y Yu
- Department of Oncology, Renmin Hospital, Hubei University of Medicine, 39 Chaoyang Rd., 442000, Shiyan, China
| | - F Cao
- Department of Oncology, Renmin Hospital, Hubei University of Medicine, 39 Chaoyang Rd., 442000, Shiyan, China
| | - X Yu
- Department of Oncology, Renmin Hospital, Hubei University of Medicine, 39 Chaoyang Rd., 442000, Shiyan, China
| | - P Zhou
- Department of Medical Laborotary, The First Affiliated Hospital, Nanchang University, 330006, Nanchang, China
| | - Q Di
- Department of Oncology, Renmin Hospital, Hubei University of Medicine, 39 Chaoyang Rd., 442000, Shiyan, China
| | - J Lei
- Department of Oncology, Renmin Hospital, Hubei University of Medicine, 39 Chaoyang Rd., 442000, Shiyan, China
| | - Y Tai
- Department of Oncology, Renmin Hospital, Hubei University of Medicine, 39 Chaoyang Rd., 442000, Shiyan, China
| | - H Wu
- Department of Oncology, Renmin Hospital, Hubei University of Medicine, 39 Chaoyang Rd., 442000, Shiyan, China
| | - X Li
- Department of Oncology, Renmin Hospital, Hubei University of Medicine, 39 Chaoyang Rd., 442000, Shiyan, China
| | - X Wang
- Department of Oncology, Renmin Hospital, Hubei University of Medicine, 39 Chaoyang Rd., 442000, Shiyan, China
| | - W Zhang
- Department of Medical Affairs, Renmin Hospital, Hubei University of Medicine, 442000, Shiyan, China
| | - P Li
- Cancer Center of Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, 430022, Wuhan, China.
| | - Y Li
- Department of Oncology, Renmin Hospital, Hubei University of Medicine, 39 Chaoyang Rd., 442000, Shiyan, China.
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HDAC7 Ubiquitination by the E3 Ligase CBX4 Is Involved in Contextual Fear Conditioning Memory Formation. J Neurosci 2017; 37:3848-3863. [PMID: 28283560 DOI: 10.1523/jneurosci.2773-16.2017] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 02/24/2017] [Accepted: 03/01/2017] [Indexed: 12/18/2022] Open
Abstract
Histone acetylation, an epigenetic modification, plays an important role in long-term memory formation. Recently, histone deacetylase (HDAC) inhibitors were demonstrated to promote memory formation, which raises the intriguing possibility that they may be used to rescue memory deficits. However, additional research is necessary to clarify the roles of individual HDACs in memory. In this study, we demonstrated that HDAC7, within the dorsal hippocampus of C57BL6J mice, had a late and persistent decrease after contextual fear conditioning (CFC) training (4-24 h), which was involved in long-term CFC memory formation. We also showed that HDAC7 decreased via ubiquitin-dependent degradation. CBX4 was one of the HDAC7 E3 ligases involved in this process. Nur77, as one of the target genes of HDAC7, increased 6-24 h after CFC training and, accordingly, modulated the formation of CFC memory. Finally, HDAC7 was involved in the formation of other hippocampal-dependent memories, including the Morris water maze and object location test. The current findings facilitate an understanding of the molecular and cellular mechanisms of HDAC7 in the regulation of hippocampal-dependent memory.SIGNIFICANCE STATEMENT The current findings demonstrated the effects of histone deacetylase 7 (HDAC7) on hippocampal-dependent memories. Moreover, we determined the mechanism of decreased HDAC7 in contextual fear conditioning (CFC) through ubiquitin-dependent protein degradation. We also verified that CBX4 was one of the HDAC7 E3 ligases. Finally, we demonstrated that Nur77, as one of the important targets for HDAC7, was involved in CFC memory formation. All of these proteins, including HDAC7, CBX4, and Nur77, could be potential therapeutic targets for preventing memory deficits in aging and neurological diseases.
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Zhao Y, Li Y, Luo P, Gao Y, Yang J, Lao KH, Wang G, Cockerill G, Hu Y, Xu Q, Li T, Zeng L. XBP1 splicing triggers miR-150 transfer from smooth muscle cells to endothelial cells via extracellular vesicles. Sci Rep 2016; 6:28627. [PMID: 27338006 PMCID: PMC4919660 DOI: 10.1038/srep28627] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Accepted: 06/06/2016] [Indexed: 12/23/2022] Open
Abstract
The interaction between endothelial cells (ECs) and smooth muscle cells (SMCs) plays a critical role in the maintenance of vessel wall homeostasis. The X-box binding protein 1 (XBP1) plays an important role in EC and SMC cellular functions. However, whether XBP1 is involved in EC-SMC interaction remains unclear. In this study, In vivo experiments with hindlimb ischemia models revealed that XBP1 deficiency in SMCs significantly attenuated angiogenesis in ischemic tissues, therefore retarded the foot blood perfusion recovery. In vitro studies indicated that either overexpression of the spliced XBP1 or treatment with platelet derived growth factor-BB up-regulated miR-150 expression and secretion via extracellular vesicles (EVs). The XBP1 splicing-mediated up-regulation of miR-150 might be due to increased stability. The SMC-derived EVs could trigger EC migration, which was abolished by miR-150 knockdown in SMCs, suggesting miR-150 is responsible for SMC-stimulated EC migration. The SMC-derived miR-150-containing EVs or premiR-150 transfection increased vascular endothelial growth factor (VEGF)-A mRNA and secretion in ECs. Both inhibitors SU5416 and LY294002 attenuated EVs-induced EC migration. This study demonstrates that XBP1 splicing in SMCs can control EC migration via SMC derived EVs-mediated miR-150 transfer and miR-150-driven VEGF-A/VEGFR/PI3K/Akt pathway activation, thereby modulating the maintenance of vessel wall homeostasis.
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Affiliation(s)
- Yue Zhao
- Department of Heart Centre, Tianjin Third Central Hospital, Tianjin 300170, China
- Cardiovascular Division, King’s College London BHF centre, London SE5 9NU, United Kingdom
| | - Yi Li
- Cardiovascular Division, King’s College London BHF centre, London SE5 9NU, United Kingdom
| | - Peiyi Luo
- Cardiovascular Division, King’s College London BHF centre, London SE5 9NU, United Kingdom
| | - Yingtang Gao
- Key Laboratory of Artificial Cell, Tianjin Third Central Hospital, Tianjin 300170, China
| | - Junyao Yang
- Cardiovascular Division, King’s College London BHF centre, London SE5 9NU, United Kingdom
| | - Ka-Hou Lao
- Cardiovascular Division, King’s College London BHF centre, London SE5 9NU, United Kingdom
| | - Gang Wang
- Department of Emergency Medicine, the Second Affiliated Hospital, School of Medicine, Xi’an Jiaotong University, Xi’an 710004, China
| | | | - Yanhua Hu
- Cardiovascular Division, King’s College London BHF centre, London SE5 9NU, United Kingdom
| | - Qingbo Xu
- Cardiovascular Division, King’s College London BHF centre, London SE5 9NU, United Kingdom
| | - Tong Li
- Department of Heart Centre, Tianjin Third Central Hospital, Tianjin 300170, China
- Key Laboratory of Artificial Cell, Tianjin Third Central Hospital, Tianjin 300170, China
| | - Lingfang Zeng
- Cardiovascular Division, King’s College London BHF centre, London SE5 9NU, United Kingdom
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Mansour MA, Sabbah NA, Mansour SA, Ibrahim AM. MicroRNA-199b expression level and coliform count in irritable bowel syndrome. IUBMB Life 2016; 68:335-42. [PMID: 27015896 DOI: 10.1002/iub.1495] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Revised: 02/23/2016] [Accepted: 03/03/2016] [Indexed: 12/17/2022]
Abstract
Irritable bowel syndrome (IBS) is a common intestinal disorder. The pathophysiology of IBS may involve an altered intestinal microbiota. Recent studies have shown that alterations in microRNA (miRNA) levels have affected IBS and its subtypes. We aimed to compare both the count of Coliform and serum level of miRNA-199b between patients with IBS and healthy controls and to find the relationship between the Coliform and miRNAs in patients with IBS. Patients with IBS were classified into three subgroups based on their predominant bowel pattern as defined by Rome III criteria. Quantitative culture of Coliform and determination of serum miRNA-199b expression level by quantitative real-time PCR in IBS group versus healthy controls were performed. There was a significant increase in the count of Coliform in patients with IBS and its different subtypes when compared with healthy controls. There was a significant decrease of serum miR-199b expression level in patients with IBS and its different subtypes when compared with healthy controls with the highest level (1.9 ± 0.53 log scale) in healthy controls and lowest one (0.71 ± 0.27 log scale) in IBS with diarrhea (IBS-D) subtype. Moreover, there was a negative correlation between the count of Coliform and the serum miRNA-199b expression level in IBS. This study reported that there was a significant increase in the count of Coliform and a decrease in the serum miRNA-199b expression level. In addition, there was a negative correlation between them in patients with IBS and its different subtypes when compared with healthy controls. © 2016 IUBMB Life, 68(5):335-342, 2016.
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Affiliation(s)
- Marwa A Mansour
- Medical Microbiology and Immunology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Norhan A Sabbah
- Medical Biochemistry Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Shymaa A Mansour
- Medical Microbiology and Immunology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Amany M Ibrahim
- Internal Medicine Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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Rezk NA, Sabbah NA, Saad MSS. Role of MicroRNA 126 in screening, diagnosis, and prognosis of diabetic patients in Egypt. IUBMB Life 2016; 68:452-8. [PMID: 27118517 DOI: 10.1002/iub.1502] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 03/30/2016] [Indexed: 01/17/2023]
Abstract
MicroRNAs (miRNAs), family of non-coding small RNAs, play a vital role in the regulation of blood glucose level. We aimed to investigate the relation of serum miRNA-126 expression with impaired glucose tolerance as well as type 2 diabetes mellitus (T2DM) patients with and without complications. One hundred healthy controls, eighty-six patients with IGT, and one hundred patients with T2DM were recruited in this study. Serum miRNA-126 expression was assessed by quantitative real-time polymerase chain reaction. We found a significant decrease of serum miRNA-126 expression between IGT patients as well as diabetic patients when both compared with controls and between diabetic patients compared to IGT patients. A significant decrease of serum miRNA-126 expression was detected in diabetic patients with complications compared to those without evident complications especially those with diabetic macrovascular complications and diabetic retinopathy. Serum microRNA-126 expression could be a good marker for diagnosis of IGT and T2DM as well as for monitoring the outcomes of such disease. © 2016 IUBMB Life, 68(6):452-458, 2016.
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Affiliation(s)
- Noha A Rezk
- Faculty of Medicine, Medical Biochemistry Department, Zagazig University, Egypt
| | - Norhan A Sabbah
- Faculty of Medicine, Medical Biochemistry Department, Zagazig University, Egypt
| | - Mohamed S S Saad
- Faculty of Medicine, Internal Medicine Department, Zagazig University, Egypt
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Chen T, Margariti A, Kelaini S, Cochrane A, Guha ST, Hu Y, Stitt AW, Zhang L, Xu Q. MicroRNA-199b Modulates Vascular Cell Fate During iPS Cell Differentiation by Targeting the Notch Ligand Jagged1 and Enhancing VEGF Signaling. Stem Cells 2016; 33:1405-18. [PMID: 25535084 PMCID: PMC4737258 DOI: 10.1002/stem.1930] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2014] [Accepted: 11/28/2014] [Indexed: 01/08/2023]
Abstract
AIMS Recent ability to derive endothelial cells (ECs) from induced pluripotent stem (iPS) cells holds a great therapeutic potential for personalized medicine and stem cell therapy. We aimed that better understanding of the complex molecular signals that are evoked during iPS cell differentiation toward ECs may allow specific targeting of their activities to enhance cell differentiation and promote tissue regeneration. METHODS AND RESULTS In this study, we have generated mouse iPS cells from fibroblasts using established protocol. When iPS cells were cultivated on type IV mouse collagen-coated dishes in differentiation medium, cell differentiation toward vascular lineages were observed. To study the molecular mechanisms of iPS cell differentiation, we found that miR-199b is involved in EC differentiation. A step-wise increase in expression of miR-199 was detected during EC differentiation. Notably, miR-199b targeted the Notch ligand JAG1, resulting in vascular endothelial growth factor (VEGF) transcriptional activation and secretion through the transcription factor STAT3. Upon shRNA-mediated knockdown of the Notch ligand JAG1, the regulatory effect of miR-199b was ablated and there was robust induction of STAT3 and VEGF during EC differentiation. Knockdown of JAG1 also inhibited miR-199b-mediated inhibition of iPS cell differentiation toward smooth muscle markers. Using the in vitro tube formation assay and implanted Matrigel plugs, in vivo, miR-199b also regulated VEGF expression and angiogenesis. CONCLUSIONS This study indicates a novel role for miR-199b as a regulator of the phenotypic switch during vascular cell differentiation derived from iPS cells by regulating critical signaling angiogenic responses. Stem Cells 2015;33:1405-1418.
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Affiliation(s)
- Ting Chen
- Department of Cardiology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, People's Republic of China
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Yoon S, Eom GH. HDAC and HDAC Inhibitor: From Cancer to Cardiovascular Diseases. Chonnam Med J 2016; 52:1-11. [PMID: 26865995 PMCID: PMC4742605 DOI: 10.4068/cmj.2016.52.1.1] [Citation(s) in RCA: 313] [Impact Index Per Article: 39.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Revised: 11/27/2015] [Accepted: 12/01/2015] [Indexed: 01/15/2023] Open
Abstract
Histone deacetylases (HDACs) are epigenetic regulators that regulate the histone tail, chromatin conformation, protein-DNA interaction, and even transcription. HDACs are also post-transcriptional modifiers that regulate the protein acetylation implicated in several pathophysiologic states. HDAC inhibitors have been highlighted as a novel category of anti-cancer drugs. To date, four HDAC inhibitors, Vorinostat, Romidepsin, Panobinostat, and Belinostat, have been approved by the United States Food and Drug Administration. Principally, these HDAC inhibitors are used for hematologic cancers in clinic with less severe side effects. Clinical trials are continuously expanding to address other types of cancer and also nonmalignant diseases. HDAC inhibition also results in beneficial outcomes in various types of neurodegenerative diseases, inflammation disorders, and cardiovascular diseases. In this review, we will briefly discuss 1) the roles of HDACs in the acquisition of a cancer's phenotype and the general outcome of the HDAC inhibitors in cancer, 2) the functional relevance of HDACs in cardiovascular diseases and the possible therapeutic implications of HDAC inhibitors in cardiovascular disease.
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Affiliation(s)
- Somy Yoon
- Department of Pharmacology, Chonnam National University Medical School, Gwangju, Korea
| | - Gwang Hyeon Eom
- Department of Pharmacology, Chonnam National University Medical School, Gwangju, Korea
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Joshi AD, Barabutis N, Birmpas C, Dimitropoulou C, Thangjam G, Cherian-Shaw M, Dennison J, Catravas JD. Histone deacetylase inhibitors prevent pulmonary endothelial hyperpermeability and acute lung injury by regulating heat shock protein 90 function. Am J Physiol Lung Cell Mol Physiol 2015; 309:L1410-9. [PMID: 26498249 DOI: 10.1152/ajplung.00180.2015] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Accepted: 09/28/2015] [Indexed: 12/30/2022] Open
Abstract
Transendothelial hyperpermeability caused by numerous agonists is dependent on heat shock protein 90 (Hsp90) and leads to endothelial barrier dysfunction (EBD). Inhibition of Hsp90 protects and restores transendothelial permeability. Hyperacetylation of Hsp90, as by inhibitors of histone deacetylase (HDAC), suppresses its chaperone function and mimics the effects of Hsp90 inhibitors. In this study we assessed the role of HDAC in mediating lipopolysaccharide (LPS)-induced transendothelial hyperpermeability and acute lung injury (ALI). We demonstrate that HDAC inhibition protects against LPS-mediated EBD. Inhibition of multiple HDAC by the general inhibitors panobinostat or trichostatin provided protection against LPS-induced transendothelial hyperpermeability, acetylated and suppressed Hsp90 chaperone function, and attenuated RhoA activity and signaling crucial to endothelial barrier function. Treatment with the HDAC3-selective inhibitor RGFP-966 or the HDAC6-selective inhibitor tubastatin A provided partial protection against LPS-mediated transendothelial hyperpermeability. Similarly, knock down of HDAC3 and HDAC6 by specific small-interfering RNAs provided significant protection against LPS-induced EBD. Furthermore, combined pharmacological inhibition of both HDAC3 and -6 attenuated the inflammation, capillary permeability, and structural abnormalities associated with LPS-induced ALI in mice. Together these data indicate that HDAC mediate increased transendothelial hyperpermeability caused by LPS and that inhibition of HDAC protects against LPS-mediated EBD and ALI by suppressing Hsp90-dependent RhoA activity and signaling.
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Affiliation(s)
- Atul D Joshi
- Frank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, Virginia; and
| | - Nektarios Barabutis
- Frank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, Virginia; and
| | - Charalampos Birmpas
- Frank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, Virginia; and
| | | | - Gagan Thangjam
- Frank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, Virginia; and
| | - Mary Cherian-Shaw
- Vascular Biology Center, Georgia Regents University, Augusta, Georgia
| | - John Dennison
- Vascular Biology Center, Georgia Regents University, Augusta, Georgia
| | - John D Catravas
- Frank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, Virginia; and
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Yang JY, Wang Q, Wang W, Zeng LF. Histone deacetylases and cardiovascular cell lineage commitment. World J Stem Cells 2015; 7:852-858. [PMID: 26131315 PMCID: PMC4478631 DOI: 10.4252/wjsc.v7.i5.852] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2015] [Revised: 02/14/2015] [Accepted: 04/07/2015] [Indexed: 02/06/2023] Open
Abstract
Cardiovascular diseases (CVDs), which include all diseases of the heart and circulation system, are the leading cause of deaths on the globally. During the development of CVDs, choric inflammatory, lipid metabolism disorder and endothelial dysfunction are widely recognized risk factors. Recently, the new treatment for CVDs that designed to regenerate the damaged myocardium and injured vascular endothelium and improve recovery by the use of stem cells, attracts more and more public attention. Histone deacetylases (HDACs) are a family of enzymes that remove acetyl groups from lysine residues of histone proteins allowing the histones to wrap the DNA more tightly and commonly known as epigenetic regulators of gene transcription. HDACs play indispensable roles in nearly all biological processes, such as transcriptional regulation, cell cycle progression and developmental events, and have originally shown to be involved in cancer and neurological diseases. HDACs are also found to play crucial roles in cardiovascular diseases by modulating vascular cell homeostasis (e.g., proliferation, migration, and apoptosis of both ECs and SMCs). This review focuses on the roles of different members of HDACs and HDAC inhibitor on stem cell/ progenitor cell differentiation toward vascular cell lineages (endothelial cells, smooth muscle cells and Cardiomyocytes) and its potential therapeutics.
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Wang X, Karamariti E, Simpson R, Wang W, Xu Q. Dickkopf Homolog 3 Induces Stem Cell Differentiation into Smooth Muscle Lineage via ATF6 Signalling. J Biol Chem 2015; 290:19844-52. [PMID: 26105053 PMCID: PMC4528144 DOI: 10.1074/jbc.m115.641415] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Indexed: 11/13/2022] Open
Abstract
Smooth muscle cells (SMCs) are a key component of healthy and tissue engineered vessels and play a crucial role in vascular development and the pathogenic events of vascular remodeling i.e. restenosis. However, the cell source from which they can be isolated is limited. Embryonic stem (ES) cells that have the remarkable capability to differentiate into vascular SMCs in response to specific stimuli provide a useful model for studying SMC differentiation. Previous studies suggested that dickkopf homolog 3 (DKK3) has a role in human partially induced pluripotent stem cell to SMC differentiation. Here, we demonstrate that the expression of DKK3 is essential for the expression of SMC markers and myocardin at both the mRNA and protein levels during mouse ES cell differentiation into SMCs (ESC-SMC differentiation). Overexpression of DKK3 leads to further up-regulation of the aforementioned markers. Further investigation indicates that DKK3 added as a cytokine activates activating transcription factor 6 (ATF6), leading to the increased binding of ATF6 on the myocardin promoter and increased its expression. In addition, inhibition of extracellular signal-regulated kinases 1/2 (ERK1/2) promotes the expression of ATF6 and leads to further increase of myocardin transcription. Our findings offer a novel mechanism by which DKK3 regulates ESC-SMC differentiation by activating ATF6 and promoting myocardin expression.
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Affiliation(s)
- Xiaocong Wang
- From the Cardiovascular Division, King's College London BHF Centre, London SE5 9NU, United Kingdom and the Institute of Bioengineering, Queen Mary University of London, London E1 4NS, United Kingdom
| | - Eirini Karamariti
- From the Cardiovascular Division, King's College London BHF Centre, London SE5 9NU, United Kingdom and
| | - Russell Simpson
- From the Cardiovascular Division, King's College London BHF Centre, London SE5 9NU, United Kingdom and
| | - Wen Wang
- the Institute of Bioengineering, Queen Mary University of London, London E1 4NS, United Kingdom
| | - Qingbo Xu
- From the Cardiovascular Division, King's College London BHF Centre, London SE5 9NU, United Kingdom and
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46
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LI ZHOUBIN, MARGARITI ANDRIANA, WU YUTAO, YANG FENG, HU JIAN, ZHANG LI, CHEN TING. MicroRNA-199a induces differentiation of induced pluripotent stem cells into endothelial cells by targeting sirtuin 1. Mol Med Rep 2015; 12:3711-3717. [DOI: 10.3892/mmr.2015.3845] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Accepted: 04/30/2015] [Indexed: 11/06/2022] Open
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47
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Campagnolo P, Tsai TN, Hong X, Kirton JP, So PW, Margariti A, Di Bernardini E, Wong MM, Hu Y, Stevens MM, Xu Q. c-Kit+ progenitors generate vascular cells for tissue-engineered grafts through modulation of the Wnt/Klf4 pathway. Biomaterials 2015; 60:53-61. [PMID: 25985152 PMCID: PMC4464505 DOI: 10.1016/j.biomaterials.2015.04.055] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Revised: 04/22/2015] [Accepted: 04/30/2015] [Indexed: 01/08/2023]
Abstract
The development of decellularised scaffolds for small diameter vascular grafts is hampered by their limited patency, due to the lack of luminal cell coverage by endothelial cells (EC) and to the low tone of the vessel due to absence of a contractile smooth muscle cells (SMC). In this study, we identify a population of vascular progenitor c-Kit+/Sca-1- cells available in large numbers and derived from immuno-privileged embryonic stem cells (ESCs). We also define an efficient and controlled differentiation protocol yielding fully to differentiated ECs and SMCs in sufficient numbers to allow the repopulation of a tissue engineered vascular graft. When seeded ex vivo on a decellularised vessel, c-Kit+/Sca-1-derived cells recapitulated the native vessel structure and upon in vivo implantation in the mouse, markedly reduced neointima formation and mortality, restoring functional vascularisation. We showed that Krüppel-like transcription factor 4 (Klf4) regulates the choice of differentiation pathway of these cells through β-catenin activation and was itself regulated by the canonical Wnt pathway activator lithium chloride. Our data show that ESC-derived c-Kit+/Sca-1-cells can be differentiated through a Klf4/β-catenin dependent pathway and are a suitable source of vascular progenitors for the creation of superior tissue-engineered vessels from decellularised scaffolds.
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Affiliation(s)
- Paola Campagnolo
- Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, United Kingdom.
| | - Tsung-Neng Tsai
- Cardiovascular Division, British Heart Foundation Centre, King's College London, London, United Kingdom
| | - Xuechong Hong
- Cardiovascular Division, British Heart Foundation Centre, King's College London, London, United Kingdom
| | - John Paul Kirton
- Cardiovascular Division, British Heart Foundation Centre, King's College London, London, United Kingdom
| | - Po-Wah So
- Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, United Kingdom
| | - Andriana Margariti
- Cardiovascular Division, British Heart Foundation Centre, King's College London, London, United Kingdom
| | - Elisabetta Di Bernardini
- Cardiovascular Division, British Heart Foundation Centre, King's College London, London, United Kingdom
| | - Mei Mei Wong
- Cardiovascular Division, British Heart Foundation Centre, King's College London, London, United Kingdom
| | - Yanhua Hu
- Cardiovascular Division, British Heart Foundation Centre, King's College London, London, United Kingdom
| | - Molly M Stevens
- Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, United Kingdom
| | - Qingbo Xu
- Cardiovascular Division, British Heart Foundation Centre, King's College London, London, United Kingdom.
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Dunn J, Simmons R, Thabet S, Jo H. The role of epigenetics in the endothelial cell shear stress response and atherosclerosis. Int J Biochem Cell Biol 2015; 67:167-76. [PMID: 25979369 DOI: 10.1016/j.biocel.2015.05.001] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2015] [Revised: 04/30/2015] [Accepted: 05/02/2015] [Indexed: 12/15/2022]
Abstract
Currently in the field of vascular biology, the role of epigenetics in endothelial cell biology and vascular disease has attracted more in-depth study. Using both in vitro and in vivo models of blood flow, investigators have recently begun to reveal the underlying epigenetic regulation of endothelial gene expression. Recently, our group, along with two other independent groups, have demonstrated that blood flow controls endothelial gene expression by DNA methyltransferases (DNMT1 and 3A). Disturbed flow (d-flow), characterized by low and oscillating shear stress (OS), is pro-atherogenic and induces expression of DNMT1 both in vivo and in vitro. D-flow regulates genome-wide DNA methylation patterns in a DNMT-dependent manner. The DNMT inhibitor 5-Aza-2'deoxycytidine (5Aza) or DNMT1 siRNA reduces OS-induced endothelial inflammation. Moreover, 5Aza inhibits the development of atherosclerosis in ApoE(-/-) mice. Through a systems biological analysis of genome-wide DNA methylation patterns and gene expression data, we found 11 mechanosensitive genes which were suppressed by d-flow in vivo, experienced hypermethylation in their promoter region in response to d-flow, and were rescued by 5Aza treatment. Interestingly, among these mechanosensitive genes, the two transcription factors HoxA5 and Klf3 contain cAMP-response-elements (CRE), which may indicate that methylation of CRE sites could serve as a mechanosensitive master switch in gene expression. These findings provide new insight into the mechanism by which flow controls epigenetic DNA methylation patterns, which in turn alters endothelial gene expression, regulates vascular biology, and induces atherosclerosis. These novel findings have broad implications for understanding the biochemical mechanisms of atherogenesis and provide a basis for identifying potential therapeutic targets for atherosclerosis. This article is part of a Directed Issue entitled: Epigenetics dynamics in development and disease.
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Affiliation(s)
- Jessilyn Dunn
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, USA
| | - Rachel Simmons
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, USA
| | - Salim Thabet
- Division of Cardiology, Georgia Institute of Technology and Emory University, USA
| | - Hanjoong Jo
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, USA; Division of Cardiology, Georgia Institute of Technology and Emory University, USA.
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Targeting histone deacetylases: perspectives for epigenetic-based therapy in cardio-cerebrovascular disease. JOURNAL OF GERIATRIC CARDIOLOGY : JGC 2015; 12:153-64. [PMID: 25870619 PMCID: PMC4394331 DOI: 10.11909/j.issn.1671-5411.2015.02.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2014] [Revised: 12/29/2014] [Accepted: 12/30/2014] [Indexed: 01/09/2023]
Abstract
Although the pathogenesis of cardio-cerebrovascular disease (CCVD) is multifactorial, an increasing number of experimental and clinical studies have highlighted the importance of histone deacetylase (HDAC)-mediated epigenetic processes in the development of cardio-cerebrovascular injury. HDACs are a family of enzymes to balance the acetylation activities of histone acetyltransferases on chromatin remodeling and play essential roles in regulating gene transcription. To date, 18 mammalian HDACs are identified and grouped into four classes based on similarity to yeast orthologs. The zinc-dependent HDAC family currently consists of 11 members divided into three classes (class I, II, and IV) on the basis of structure, sequence homology, and domain organization. In comparison, class III HDACs (also known as the sirtuins) are composed of a family of NAD+-dependent protein-modifying enzymes related to the Sir2 gene. HDAC inhibitors are a group of compounds that block HDAC activities typically by binding to the zinc-containing catalytic domain of HDACs and have displayed anti-inflammatory and antifibrotic effects in the cardio-cerebrovascular system. In this review, we summarize the current knowledge about classifications, functions of HDACs and their roles and regulatory mechanisms in the cardio-cerebrovascular system. Pharmacological targeting of HDAC-mediated epigenetic processes may open new therapeutic avenues for the treatment of CCVD.
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50
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Gore J, Craven KE, Wilson JL, Cote GA, Cheng M, Nguyen HV, Cramer HM, Sherman S, Korc M. TCGA data and patient-derived orthotopic xenografts highlight pancreatic cancer-associated angiogenesis. Oncotarget 2015; 6:7504-21. [PMID: 25762644 PMCID: PMC4480696 DOI: 10.18632/oncotarget.3233] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2015] [Accepted: 01/28/2015] [Indexed: 12/18/2022] Open
Abstract
Pancreatic ductal adenocarcinomas (PDACs) overexpress pro-angiogenic factors but are not viewed as vascular. Using data from The Cancer Genome Atlas we demonstrate that a subset of PDACs exhibits a strong pro-angiogenic signature that includes 37 genes, such as HDAC9, that are overexpressed in PDAC arising in KRC mice, which express mutated Kras and lack RB. Moreover, patient-derived orthotopic xenografts can exhibit tumor angiogenesis, whereas conditioned media (CM) from KRC-derived pancreatic cancer cells (PCCs) enhance endothelial cell (EC) growth and migration, and activate canonical TGF-β signaling and STAT3. Inhibition of the type I TGF-β receptor with SB505124 does not alter endothelial activation in vitro, but decreases pro-angiogenic gene expression and suppresses angiogenesis in vivo. Conversely, STAT3 silencing or JAK1-2 inhibition with ruxolitinib blocks CM-enhanced EC proliferation. STAT3 disruption also suppresses endothelial HDAC9 and blocks CM-induced HDAC9 expression, whereas HDAC9 re-expression restores CM-enhanced endothelial proliferation. Moreover, ruxolitinib blocks mitogenic EC/PCC cross-talk, and suppresses endothelial p-STAT3 and HDAC9, and PDAC progression and angiogenesis in vivo, while markedly prolonging survival of KRC mice. Thus, targeting JAK1-2 with ruxolitinib blocks a final pathway that is common to multiple pro-angiogenic factors, suppresses EC-mediated PCC proliferation, and may be useful in PDACs with a strong pro-angiogenic signature.
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Affiliation(s)
- Jesse Gore
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- The Melvin and Bren Simon Cancer Center, and the Center for Pancreatic Cancer Research, Indianapolis, IN 46202, USA
| | - Kelly E. Craven
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Julie L. Wilson
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Gregory A. Cote
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- The Melvin and Bren Simon Cancer Center, and the Center for Pancreatic Cancer Research, Indianapolis, IN 46202, USA
- Department of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Monica Cheng
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Hai V. Nguyen
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Harvey M. Cramer
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Stuart Sherman
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- The Melvin and Bren Simon Cancer Center, and the Center for Pancreatic Cancer Research, Indianapolis, IN 46202, USA
| | - Murray Korc
- Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- The Melvin and Bren Simon Cancer Center, and the Center for Pancreatic Cancer Research, Indianapolis, IN 46202, USA
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