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Krymchenko R, Coşar Kutluoğlu G, van Hout N, Manikowski D, Doberenz C, van Kuppevelt TH, Daamen WF. Elastogenesis in Focus: Navigating Elastic Fibers Synthesis for Advanced Dermal Biomaterial Formulation. Adv Healthc Mater 2024:e2400484. [PMID: 38989717 DOI: 10.1002/adhm.202400484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 05/31/2024] [Indexed: 07/12/2024]
Abstract
Elastin, a fibrous extracellular matrix (ECM) protein, is the main component of elastic fibers that are involved in tissues' elasticity and resilience, enabling them to undergo reversible extensibility and to endure repetitive mechanical stress. After wounding, it is challenging to regenerate elastic fibers and biomaterials developed thus far have struggled to induce its biosynthesis. This review provides a comprehensive summary of elastic fibers synthesis at the cellular level and its implications for biomaterial formulation, with a particular focus on dermal substitutes. The review delves into the intricate process of elastogenesis by cells and investigates potential triggers for elastogenesis encompassing elastin-related compounds, ECM components, and other molecules for their potential role in inducing elastin formation. Understanding of the elastogenic processes is essential for developing biomaterials that trigger not only the synthesis of the elastin protein, but also the formation of a functional and branched elastic fiber network.
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Affiliation(s)
- Roman Krymchenko
- Department of Medical BioSciences, Research Institute for Medical Innovation, Radboud university medical center, PO Box 9101, Nijmegen, 6500 HB, The Netherlands
| | - Gizem Coşar Kutluoğlu
- Department of Medical BioSciences, Research Institute for Medical Innovation, Radboud university medical center, PO Box 9101, Nijmegen, 6500 HB, The Netherlands
- MedSkin Solutions Dr. Suwelack AG, 48727, Billerbeck, Germany
| | - Noor van Hout
- Department of Dermatology, Radboud university medical center, Nijmegen, 6525 GA, The Netherlands
| | | | | | - Toin H van Kuppevelt
- Department of Medical BioSciences, Research Institute for Medical Innovation, Radboud university medical center, PO Box 9101, Nijmegen, 6500 HB, The Netherlands
| | - Willeke F Daamen
- Department of Medical BioSciences, Research Institute for Medical Innovation, Radboud university medical center, PO Box 9101, Nijmegen, 6500 HB, The Netherlands
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2
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Roth L, Dogan S, Tuna BG, Aranyi T, Benitez S, Borrell-Pages M, Bozaykut P, De Meyer GRY, Duca L, Durmus N, Fonseca D, Fraenkel E, Gillery P, Giudici A, Jaisson S, Johansson M, Julve J, Lucas-Herald AK, Martinet W, Maurice P, McDonnell BJ, Ozbek EN, Pucci G, Pugh CJA, Rochfort KD, Roks AJM, Rotllan N, Shadiow J, Sohrabi Y, Spronck B, Szeri F, Terentes-Printzios D, Tunc Aydin E, Tura-Ceide O, Ucar E, Yetik-Anacak G. Pharmacological modulation of vascular ageing: A review from VascAgeNet. Ageing Res Rev 2023; 92:102122. [PMID: 37956927 DOI: 10.1016/j.arr.2023.102122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 10/27/2023] [Accepted: 11/09/2023] [Indexed: 11/20/2023]
Abstract
Vascular ageing, characterized by structural and functional changes in blood vessels of which arterial stiffness and endothelial dysfunction are key components, is associated with increased risk of cardiovascular and other age-related diseases. As the global population continues to age, understanding the underlying mechanisms and developing effective therapeutic interventions to mitigate vascular ageing becomes crucial for improving cardiovascular health outcomes. Therefore, this review provides an overview of the current knowledge on pharmacological modulation of vascular ageing, highlighting key strategies and promising therapeutic targets. Several molecular pathways have been identified as central players in vascular ageing, including oxidative stress and inflammation, the renin-angiotensin-aldosterone system, cellular senescence, macroautophagy, extracellular matrix remodelling, calcification, and gasotransmitter-related signalling. Pharmacological and dietary interventions targeting these pathways have shown potential in ameliorating age-related vascular changes. Nevertheless, the development and application of drugs targeting vascular ageing is complicated by various inherent challenges and limitations, such as certain preclinical methodological considerations, interactions with exercise training and sex/gender-related differences, which should be taken into account. Overall, pharmacological modulation of endothelial dysfunction and arterial stiffness as hallmarks of vascular ageing, holds great promise for improving cardiovascular health in the ageing population. Nonetheless, further research is needed to fully elucidate the underlying mechanisms and optimize the efficacy and safety of these interventions for clinical translation.
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Affiliation(s)
- Lynn Roth
- Laboratory of Physiopharmacology, University of Antwerp, Antwerp, Belgium.
| | - Soner Dogan
- Department of Medical Biology, School of Medicine, Yeditepe University, Istanbul, Turkiye
| | - Bilge Guvenc Tuna
- Department of Biophysics, School of Medicine, Yeditepe University, Istanbul, Turkiye
| | - Tamas Aranyi
- Institute of Enzymology, Research Centre for Natural Sciences, Budapest, Hungary; Department of Molecular Biology, Semmelweis University, Budapest, Hungary
| | - Sonia Benitez
- CIBER de Diabetes y enfermedades Metabólicas asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain; Cardiovascular Biochemistry, Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Barcelona, Spain
| | - Maria Borrell-Pages
- Cardiovascular Program ICCC, Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Barcelona, Spain; Centro de Investigación Biomédica en Red en Enfermedades Cardiovasculares (CIBER-CV), Instituto de Salud Carlos III, Madrid, Spain
| | - Perinur Bozaykut
- Department of Molecular Biology and Genetics, Faculty of Engineering and Natural Sciences, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkiye
| | - Guido R Y De Meyer
- Laboratory of Physiopharmacology, University of Antwerp, Antwerp, Belgium
| | - Laurent Duca
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling", Université de Reims Champagne Ardenne (URCA), Reims, France
| | - Nergiz Durmus
- Department of Pharmacology, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkiye
| | - Diogo Fonseca
- Laboratory of Pharmacology and Pharmaceutical Care, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal; Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Coimbra, Portugal; Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Emil Fraenkel
- 1st Department of Internal Medicine, University Hospital, Pavol Jozef Šafárik University of Košice, Košice, Slovakia
| | - Philippe Gillery
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling", Université de Reims Champagne Ardenne (URCA), Reims, France; Laboratoire de Biochimie-Pharmacologie-Toxicologie, Centre Hospitalier et Universitaire de Reims, Reims, France
| | - Alessandro Giudici
- Department of Biomedical Engineering, CARIM School for Cardiovascular Diseases, Maastricht University, the Netherlands; GROW School for Oncology and Reproduction, Maastricht University, the Netherlands
| | - Stéphane Jaisson
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling", Université de Reims Champagne Ardenne (URCA), Reims, France; Laboratoire de Biochimie-Pharmacologie-Toxicologie, Centre Hospitalier et Universitaire de Reims, Reims, France
| | | | - Josep Julve
- CIBER de Diabetes y enfermedades Metabólicas asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain; Endocrinology, Diabetes and Nutrition group, Institut de Recerca Sant Pau (IR SANT PAU), Barcelona, Spain
| | | | - Wim Martinet
- Laboratory of Physiopharmacology, University of Antwerp, Antwerp, Belgium
| | - Pascal Maurice
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling", Université de Reims Champagne Ardenne (URCA), Reims, France
| | - Barry J McDonnell
- Centre for Cardiovascular Health and Ageing, Cardiff Metropolitan University, Cardiff, UK
| | - Emine Nur Ozbek
- Department of Pharmacology, Faculty of Pharmacy, Ege University, Izmir, Turkiye
| | - Giacomo Pucci
- Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Christopher J A Pugh
- Centre for Cardiovascular Health and Ageing, Cardiff Metropolitan University, Cardiff, UK
| | - Keith D Rochfort
- School of Nursing, Psychotherapy, and Community Health, Dublin City University, Dublin, Ireland
| | - Anton J M Roks
- Department of Internal Medicine, Division of Vascular Disease and Pharmacology, Erasmus Medical Center, Erasmus University, Rotterdam, the Netherlands
| | - Noemi Rotllan
- CIBER de Diabetes y enfermedades Metabólicas asociadas (CIBERDEM), Instituto de Salud Carlos III, Madrid, Spain; Pathophysiology of lipid-related diseases, Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Barcelona, Spain
| | - James Shadiow
- School of Kinesiology, University of Michigan, Ann Arbor, MI, USA
| | - Yahya Sohrabi
- Molecular Cardiology, Dept. of Cardiology I - Coronary and Peripheral Vascular Disease, University Hospital Münster, Westfälische Wilhelms-Universität, 48149 Münster, Germany; Department of Medical Genetics, Third Faculty of Medicine, Charles University, 100 00 Prague, Czechia
| | - Bart Spronck
- Department of Biomedical Engineering, CARIM School for Cardiovascular Diseases, Maastricht University, the Netherlands; Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, Australia
| | - Flora Szeri
- Institute of Enzymology, Research Centre for Natural Sciences, Budapest, Hungary
| | - Dimitrios Terentes-Printzios
- First Department of Cardiology, Hippokration Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Elif Tunc Aydin
- Department of Cardiology, Hospital of Ataturk Training and Research Hospital, Katip Celebi University, Izmir, Turkiye
| | - Olga Tura-Ceide
- Biomedical Research Institute-IDIBGI, Girona, Spain; Department of Pulmonary Medicine, Hospital Clínic-Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); University of Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Respiratorias, Madrid, Spain
| | - Eda Ucar
- Department of Biophysics, School of Medicine, Yeditepe University, Istanbul, Turkiye
| | - Gunay Yetik-Anacak
- Department of Pharmacology, Faculty of Pharmacy, Ege University, Izmir, Turkiye; Department of Pharmacology, Faculty of Pharmacy, Acıbadem Mehmet Aydinlar University, Istanbul, Turkiye.
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3
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Xiao P, Zhang Y, Zeng Y, Yang D, Mo J, Zheng Z, Wang J, Zhang Y, Zhou Z, Zhong X, Yan W. Impaired angiogenesis in ageing: the central role of the extracellular matrix. J Transl Med 2023; 21:457. [PMID: 37434156 PMCID: PMC10334673 DOI: 10.1186/s12967-023-04315-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 06/30/2023] [Indexed: 07/13/2023] Open
Abstract
Each step in angiogenesis is regulated by the extracellular matrix (ECM). Accumulating evidence indicates that ageing-related changes in the ECM driven by cellular senescence lead to a reduction in neovascularisation, reduced microvascular density, and an increased risk of tissue ischaemic injury. These changes can lead to health events that have major negative impacts on quality of life and place a significant financial burden on the healthcare system. Elucidating interactions between the ECM and cells during angiogenesis in the context of ageing is neceary to clarify the mechanisms underlying reduced angiogenesis in older adults. In this review, we summarize ageing-related changes in the composition, structure, and function of the ECM and their relevance for angiogenesis. Then, we explore in detail the mechanisms of interaction between the aged ECM and cells during impaired angiogenesis in the older population for the first time, discussing diseases caused by restricted angiogenesis. We also outline several novel pro-angiogenic therapeutic strategies targeting the ECM that can provide new insights into the choice of appropriate treatments for a variety of age-related diseases. Based on the knowledge gathered from recent reports and journal articles, we provide a better understanding of the mechanisms underlying impaired angiogenesis with age and contribute to the development of effective treatments that will enhance quality of life.
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Affiliation(s)
- Ping Xiao
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Yanli Zhang
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, China
| | - Yuting Zeng
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Dehong Yang
- Department of Orthopedics Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Jiayao Mo
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Ziting Zheng
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Jilei Wang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Yuxin Zhang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Zhiyan Zhou
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Xincen Zhong
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Wenjuan Yan
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
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Hoareau M, El Kholti N, Debret R, Lambert E. Characterization of the Zebrafish Elastin a ( elnasa12235) Mutant: A New Model of Elastinopathy Leading to Heart Valve Defects. Cells 2023; 12:1436. [PMID: 37408270 DOI: 10.3390/cells12101436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 05/18/2023] [Accepted: 05/19/2023] [Indexed: 07/07/2023] Open
Abstract
Elastic fibers are extracellular macromolecules that provide resilience and elastic recoil to elastic tissues and organs in vertebrates. They are composed of an elastin core surrounded by a mantle of fibrillin-rich microfibrils and are essentially produced during a relatively short period around birth in mammals. Thus, elastic fibers have to resist many physical, chemical, and enzymatic constraints occurring throughout their lives, and their high stability can be attributed to the elastin protein. Various pathologies, called elastinopathies, are linked to an elastin deficiency, such as non-syndromic supravalvular aortic stenosis (SVAS), Williams-Beuren syndrome (WBS), and autosomal dominant cutis laxa (ADCL). To understand these diseases, as well as the aging process related to elastic fiber degradation, and to test potential therapeutic molecules in order to compensate for elastin impairments, different animal models have been proposed. Considering the many advantages of using zebrafish, we here characterize a zebrafish mutant for the elastin a paralog (elnasa12235) with a specific focus on the cardiovascular system and highlight premature heart valve defects at the adult stage.
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Affiliation(s)
- Marie Hoareau
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique (LBTI), UMR CNRS 5305, Institut de Biologie et Chimie des Protéines, Université de Lyon 1, 7 Passage du Vercors, CEDEX 07, F-69367 Lyon, France
| | - Naïma El Kholti
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique (LBTI), UMR CNRS 5305, Institut de Biologie et Chimie des Protéines, Université de Lyon 1, 7 Passage du Vercors, CEDEX 07, F-69367 Lyon, France
| | - Romain Debret
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique (LBTI), UMR CNRS 5305, Institut de Biologie et Chimie des Protéines, Université de Lyon 1, 7 Passage du Vercors, CEDEX 07, F-69367 Lyon, France
| | - Elise Lambert
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique (LBTI), UMR CNRS 5305, Institut de Biologie et Chimie des Protéines, Université de Lyon 1, 7 Passage du Vercors, CEDEX 07, F-69367 Lyon, France
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5
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Physiological Impact of a Synthetic Elastic Protein in Arterial Diseases Related to Alterations of Elastic Fibers: Effect on the Aorta of Elastin-Haploinsufficient Male and Female Mice. Int J Mol Sci 2022; 23:ijms232113464. [DOI: 10.3390/ijms232113464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/18/2022] [Accepted: 10/25/2022] [Indexed: 11/06/2022] Open
Abstract
Elastic fibers, made of elastin (90%) and fibrillin-rich microfibrils (10%), are the key extracellular components, which endow the arteries with elasticity. The alteration of elastic fibers leads to cardiovascular dysfunctions, as observed in elastin haploinsufficiency in mice (Eln+/-) or humans (supravalvular aortic stenosis or Williams–Beuren syndrome). In Eln+/+ and Eln+/- mice, we evaluated (arteriography, histology, qPCR, Western blots and cell cultures) the beneficial impact of treatment with a synthetic elastic protein (SEP), mimicking several domains of tropoelastin, the precursor of elastin, including hydrophobic elasticity-related domains and binding sites for elastin receptors. In the aorta or cultured aortic smooth muscle cells from these animals, SEP treatment induced a synthesis of elastin and fibrillin-1, a thickening of the aortic elastic lamellae, a decrease in wall stiffness and/or a strong trend toward a reduction in the elastic lamella disruptions in Eln+/- mice. SEP also modified collagen conformation and transcript expressions, enhanced the aorta constrictive response to phenylephrine in several animal groups, and, in female Eln+/- mice, it restored the normal vasodilatory response to acetylcholine. SEP should now be considered as a biomimetic molecule with an interesting potential for future treatments of elastin-deficient patients with altered arterial structure/function.
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Knutsen RH, Gober LM, Kronquist EK, Kaur M, Donahue DR, Springer D, Yu ZX, Chen MY, Fu YP, Choobdar F, Nguyen ML, Osgood S, Freeman JL, Raja N, Levin MD, Kozel BA. Elastin Insufficiency Confers Proximal and Distal Pulmonary Vasculopathy in Mice, Partially Remedied by the KATP Channel Opener Minoxidil: Considerations and Cautions for the Treatment of People With Williams-Beuren Syndrome. Front Cardiovasc Med 2022; 9:886813. [PMID: 35665242 PMCID: PMC9160528 DOI: 10.3389/fcvm.2022.886813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/21/2022] [Indexed: 11/13/2022] Open
Abstract
Background Williams Beuren syndrome (WBS) is a recurrent microdeletion disorder that removes one copy of elastin (ELN), resulting in large artery vasculopathy. Early stenosis of the pulmonary vascular tree is common, but few data are available on longer-term implications of the condition. Methods Computed tomography (CT) angiogram (n = 11) and echocardiogram (n = 20) were performed in children with WBS aged 3.4–17.8 years. Controls (n = 11, aged 4.4–16.8 years) also underwent echocardiogram. Eln+/− mice were analyzed by invasive catheter, echocardiogram, micro-CT (μCT), histology, and pressure myography. We subsequently tested whether minoxidil resulted in improved pulmonary vascular endpoints. Results WBS participants with a history of main or branch pulmonary artery (PA) stenosis requiring intervention continued to exhibit increased right ventricular systolic pressure (RVSP, echocardiogram) relative to their peers without intervention (p < 0.01), with no clear difference in PA size. Untreated Eln+/− mice also show elevated RVSP by invasive catheterization (p < 0.0001), increased normalized right heart mass (p < 0.01) and reduced caliber branch PAs by pressure myography (p < 0.0001). Eln+/− main PA medias are thickened histologically relative to Eln+/+ (p < 0.0001). Most Eln+/− phenotypes are shared by both sexes, but PA medial thickness is substantially greater in Eln+/− males (p < 0.001). Eln+/− mice showed more acute proximal branching angles (p < 0.0001) and longer vascular segment lengths (p < 0.0001) (μCT), with genotype differences emerging by P7. Diminished PA acceleration time (p < 0.001) and systolic notching (p < 0.0001) were also observed in Eln+/− echocardiography. Vascular casting plus μCT revealed longer generation-specific PA arcade length (p < 0.0001), with increased PA branching detectable by P90 (p < 0.0001). Post-weaning minoxidil decreased RVSP (p < 0.01) and normalized PA caliber (p < 0.0001) but not early-onset proximal branching angle or segment length, nor later-developing peripheral branch number. Conclusions Vascular deficiencies beyond arterial caliber persist in individuals with WBS who have undergone PA stenosis intervention. Evaluation of Eln+/− mice reveals complex vascular changes that affect the proximal and distal vasculatures. Minoxidil, given post-weaning, decreases RVSP and improves lumen diameter, but does not alter other earlier-onset vascular patterns. Our data suggest additional therapies including minoxidil could be a useful adjunct to surgical therapy, and future trials should be considered.
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Affiliation(s)
- Russell H. Knutsen
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Leah M. Gober
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Elise K. Kronquist
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Maninder Kaur
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Danielle R. Donahue
- Mouse Imaging Facility, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, United States
| | - Danielle Springer
- Murine Phenotyping Core, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Zu Xi Yu
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Marcus Y. Chen
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Yi-Ping Fu
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Feri Choobdar
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - My-Le Nguyen
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Sharon Osgood
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Joy L. Freeman
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Neelam Raja
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Mark D. Levin
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
| | - Beth A. Kozel
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, United States
- *Correspondence: Beth A. Kozel
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Wang K, Meng X, Guo Z. Elastin Structure, Synthesis, Regulatory Mechanism and Relationship With Cardiovascular Diseases. Front Cell Dev Biol 2021; 9:596702. [PMID: 34917605 PMCID: PMC8670233 DOI: 10.3389/fcell.2021.596702] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 09/29/2021] [Indexed: 11/30/2022] Open
Abstract
As the primary component of elastic fibers, elastin plays an important role in maintaining the elasticity and tensile ability of cardiovascular, pulmonary and many other tissues and organs. Studies have shown that elastin expression is regulated by a variety of molecules that have positive and negative regulatory effects. However, the specific mechanism is unclear. Moreover, elastin is reportedly involved in the development and progression of many cardiovascular diseases through changes in its expression and structural modifications once deposited in the extracellular matrix. This review article summarizes the role of elastin in myocardial ischemia-reperfusion, atherosclerosis, and atrial fibrillation, with emphasis on the potential molecular regulatory mechanisms.
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Affiliation(s)
- Keke Wang
- Laboratory of Cardiovascular Disease and Drug Research, Zhengzhou No. 7 People's Hospital, Zhengzhou, China
| | - Xiangguang Meng
- Laboratory of Cardiovascular Disease and Drug Research, Zhengzhou No. 7 People's Hospital, Zhengzhou, China
| | - Zhikun Guo
- Laboratory of Cardiovascular Disease and Drug Research, Zhengzhou No. 7 People's Hospital, Zhengzhou, China.,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Xinxiang, China
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8
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Ding YC, Zhang XJ, Zhang JX, Zhai ZY, Zhang MX, Jiang BH. Progression and Regression of Abdominal Aortic Aneurysms in Mice. Curr Med Sci 2021; 41:901-908. [PMID: 34643880 DOI: 10.1007/s11596-021-2425-z] [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: 09/20/2020] [Accepted: 05/06/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Abdominal aortic aneurysm (AAA) is a significant medical problem with a high mortality rate. Nevertheless, the underlying mechanism for the progression and regression of AAA is unknown. METHODS Experimental model of AAA was first created by porcine pancreatic elastase incubation around the infrarenal aorta of C57BL/6 mice. Then, AAA progression and regression were evaluated based on the diameter and volume of AAA. The aortas were harvested for hematoxylin-eosin staining (HE), orcein staining, sirius red staining, immunofluorescence analysis and perls' prussian blue staining at the indicated time point. Finally, β-aminopropionitrile monofumarate (BAPN) was used to explore the underlying mechanism of the regression of AAA. RESULTS When we extended the observation period to 100 days, we not only observed an increase in the AAA diameter and volume in the early stage, but also a decrease in the late stage. Consistent with AAA diameter and volume, the aortic thickness showed the same tendency based on HE staining. The elastin and collagen content first degraded and then regenerated, which corresponds to the early deterioration and late regression of AAA. Then, endogenous up-regulation of lysyl oxidase (LOX) was detected, accompanying the regression of AAA, as detected by an immunofluorescent assay. BAPN and LOX inhibitor considerably inhibited the regression of AAA, paralleling the degradation of elastin lamella and collagen. CONCLUSION Taken together, we tentatively conclude that endogenous re-generation of LOX played an influential role in the regression of AAA. Therefore, regulatory factors on the generation of LOX exhibit promising therapeutic potential against AAA.
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Affiliation(s)
- Yu-Chao Ding
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.,The College of Basic Medical Science, China Medical University, Shenyang, 110122, China
| | - Xian-Jing Zhang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Ji-Xiu Zhang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Zi-Yi Zhai
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.,The College of Basic Medical Science, China Medical University, Shenyang, 110122, China
| | - Mei-Xia Zhang
- The College of Basic Medical Science, China Medical University, Shenyang, 110122, China.
| | - Bao-Hong Jiang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.
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9
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Carbamylation of elastic fibers is a molecular substratum of aortic stiffness. Sci Rep 2021; 11:17827. [PMID: 34497312 PMCID: PMC8426361 DOI: 10.1038/s41598-021-97293-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 08/05/2021] [Indexed: 02/07/2023] Open
Abstract
Because of their long lifespan, matrix proteins of the vascular wall, such as elastin, are subjected to molecular aging characterized by non-enzymatic post-translational modifications, like carbamylation which results from the binding of cyanate (mainly derived from the dissociation of urea) to protein amino groups. While several studies have demonstrated a relationship between increased plasma concentrations of carbamylated proteins and the development of cardiovascular diseases, molecular mechanisms explaining the involvement of protein carbamylation in these pathological contexts remain to be fully elucidated. The aim of this work was to determine whether vascular elastic fibers could be carbamylated, and if so, what impact this phenomenon would have on the mechanical properties of the vascular wall. Our experiments showed that vascular elastin was carbamylated in vivo. Fiber morphology was unchanged after in vitro carbamylation, as well as its sensitivity to elastase degradation. In mice fed with cyanate-supplemented water in order to increase protein carbamylation within the aortic wall, an increased stiffness in elastic fibers was evidenced by atomic force microscopy, whereas no fragmentation of elastic fiber was observed. In addition, this increased stiffness was also associated with an increase in aortic pulse wave velocity in ApoE-/- mice. These results provide evidence for the carbamylation of elastic fibers which results in an increase in their stiffness at the molecular level. These alterations of vessel wall mechanical properties may contribute to aortic stiffness, suggesting a new role for carbamylation in cardiovascular diseases.
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Kozel BA, Barak B, Ae Kim C, Mervis CB, Osborne LR, Porter M, Pober BR. Williams syndrome. Nat Rev Dis Primers 2021; 7:42. [PMID: 34140529 PMCID: PMC9437774 DOI: 10.1038/s41572-021-00276-z] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/13/2021] [Indexed: 11/09/2022]
Abstract
Williams syndrome (WS) is a relatively rare microdeletion disorder that occurs in as many as 1:7,500 individuals. WS arises due to the mispairing of low-copy DNA repetitive elements at meiosis. The deletion size is similar across most individuals with WS and leads to the loss of one copy of 25-27 genes on chromosome 7q11.23. The resulting unique disorder affects multiple systems, with cardinal features including but not limited to cardiovascular disease (characteristically stenosis of the great arteries and most notably supravalvar aortic stenosis), a distinctive craniofacial appearance, and a specific cognitive and behavioural profile that includes intellectual disability and hypersociability. Genotype-phenotype evidence is strongest for ELN, the gene encoding elastin, which is responsible for the vascular and connective tissue features of WS, and for the transcription factor genes GTF2I and GTF2IRD1, which are known to affect intellectual ability, social functioning and anxiety. Mounting evidence also ascribes phenotypic consequences to the deletion of BAZ1B, LIMK1, STX1A and MLXIPL, but more work is needed to understand the mechanism by which these deletions contribute to clinical outcomes. The age of diagnosis has fallen in regions of the world where technological advances, such as chromosomal microarray, enable clinicians to make the diagnosis of WS without formally suspecting it, allowing earlier intervention by medical and developmental specialists. Phenotypic variability is considerable for all cardinal features of WS but the specific sources of this variability remain unknown. Further investigation to identify the factors responsible for these differences may lead to mechanism-based rather than symptom-based therapies and should therefore be a high research priority.
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Affiliation(s)
- Beth A. Kozel
- Translational Vascular Medicine Branch, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, USA
| | - Boaz Barak
- The Sagol School of Neuroscience and The School of Psychological Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Chong Ae Kim
- Department of Pediatrics, Universidade de São Paulo, São Paulo, Brazil
| | - Carolyn B. Mervis
- Department of Psychological and Brain Sciences, University of Louisville, Louisville, USA
| | - Lucy R. Osborne
- Department of Medicine, University of Toronto, Ontario, Canada
| | - Melanie Porter
- Department of Psychology, Macquarie University, Sydney, Australia
| | - Barbara R. Pober
- Department of Pediatrics, Massachusetts General Hospital and Harvard Medical School, Boston, USA
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Heinz A. Elastic fibers during aging and disease. Ageing Res Rev 2021; 66:101255. [PMID: 33434682 DOI: 10.1016/j.arr.2021.101255] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/29/2020] [Accepted: 12/30/2020] [Indexed: 02/08/2023]
Abstract
Elastic fibers are essential constituents of the extracellular matrix of higher vertebrates and endow several tissues and organs including lungs, skin and blood vessels with elasticity and resilience. During the human lifespan, elastic fibers are exposed to a variety of enzymatic, chemical and biophysical influences, and accumulate damage due to their low turnover. Aging of elastin and elastic fibers involves enzymatic degradation, oxidative damage, glycation, calcification, aspartic acid racemization, binding of lipids and lipid peroxidation products, carbamylation and mechanical fatigue. These processes can trigger an impairment or loss of elastic fiber function and are associated with severe pathologies. There are different inherited or acquired pathological conditions, which influence the structure and function of elastic fibers and microfibrils predominantly in the cardiorespiratory system and skin. Inherited elastic-fiber pathologies have a direct or indirect impact on elastic-fiber formation due to mutations in the fibrillin genes (fibrillinopathies), in the elastin gene (elastinopathies) or in genes encoding proteins that are associated with microfibrils or elastic fibers. Acquired elastic-fiber pathologies appear age-related or as a result of multiple factors impairing tissue homeostasis. This review gives an overview on the fate of elastic fibers over the human lifespan in health and disease.
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Fedintsev A, Moskalev A. Stochastic non-enzymatic modification of long-lived macromolecules - A missing hallmark of aging. Ageing Res Rev 2020; 62:101097. [PMID: 32540391 DOI: 10.1016/j.arr.2020.101097] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 05/05/2020] [Accepted: 06/04/2020] [Indexed: 12/12/2022]
Abstract
Damage accumulation in long-living macromolecules (especially extracellular matrix (ECM) proteins, nuclear pore complex (NPC) proteins, and histones) is a missing hallmark of aging. Stochastic non-enzymatic modifications of ECM trigger cellular senescence as well as many other hallmarks of aging affect organ barriers integrity and drive tissue fibrosis. The importance of it for aging makes it a key target for interventions. The most promising of them can be AGE inhibitors (chelators, O-acetyl group or transglycating activity compounds, amadorins and amadoriases), glucosepane breakers, stimulators of elastogenesis, and RAGE antagonists.
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Affiliation(s)
- Alexander Fedintsev
- Institute of Biology of FRC of Komi Scientific Center, Ural Branch of Russian Academy of Sciences, Syktyvkar, Russia
| | - Alexey Moskalev
- Institute of Biology of FRC of Komi Scientific Center, Ural Branch of Russian Academy of Sciences, Syktyvkar, Russia.
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Zealley B, de Grey ADNJ. Commentary on Some Recent Theses Relevant to Combating Aging: December 2019. Rejuvenation Res 2020; 22:533-539. [PMID: 31744383 DOI: 10.1089/rej.2019.2286] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Theses reviewed in this issue include "Atrophied Thymus, a Tumor Reservoir for Harboring Melanoma Cells," "Evolutionary Adaptations in Developmental Signaling Pathways Underlie Regenerative Scar-Free Wound Repair in African Spiny Mouse (Genus Acomys)," "Integrated Immunoassays on Paper/Polymer Hybrid Microfluidic Devices for Low-Cost Detection of Disease Biomarkers," "RNA Regulation in the Nervous System: CircRNA Expression Changes During Aging, and Function of the Calm1 Extended 3' UTR Isoform," "The Role of Amylin in Alzheimer's Disease," and "Therapeutic Monoclonal Antibodies to Detect and Halt ATTR Cardiac Amyloidosis and Neuropathy."
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Fhayli W, Boëté Q, Kihal N, Cenizo V, Sommer P, Boyle WA, Jacob MP, Faury G. Dill Extract Induces Elastic Fiber Neosynthesis and Functional Improvement in the Ascending Aorta of Aged Mice with Reversal of Age-Dependent Cardiac Hypertrophy and Involvement of Lysyl Oxidase-Like-1. Biomolecules 2020; 10:E173. [PMID: 31979322 PMCID: PMC7072659 DOI: 10.3390/biom10020173] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 01/13/2020] [Accepted: 01/14/2020] [Indexed: 01/16/2023] Open
Abstract
Elastic fibers (90% elastin, 10% fibrillin-rich microfibrils) are synthesized only in early life and adolescence mainly by the vascular smooth muscle cells through the cross-linking of its soluble precursor, tropoelastin. Elastic fibers endow the large elastic arteries with resilience and elasticity. Normal vascular aging is associated with arterial remodeling and stiffening, especially due to the end of production and degradation of elastic fibers, leading to altered cardiovascular function. Several pharmacological treatments stimulate the production of elastin and elastic fibers. In particular, dill extract (DE) has been demonstrated to stimulate elastin production in vitro in dermal equivalent models and in skin fibroblasts to increase lysyl oxidase-like-1 (LOXL-1) gene expression, an enzyme contributing to tropoelastin crosslinking and elastin formation. Here, we have investigated the effects of a chronic treatment (three months) of aged male mice with DE (5% or 10% v/v, in drinking water) on the structure and function of the ascending aorta. DE treatment, especially at 10%, of aged mice protected pre-existing elastic lamellae, reactivated tropoelastin and LOXL-1 expressions, induced elastic fiber neo-synthesis, and decreased the stiffness of the aging aortic wall, probably explaining the reversal of the age-related cardiac hypertrophy also observed following the treatment. DE could thus be considered as an anti-aging product for the cardiovascular system.
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Affiliation(s)
- Wassim Fhayli
- Univ. Grenoble Alpes, Inserm, CHU Grenoble Alpes, HP2, 38000 Grenoble, France; (W.F.); (Q.B.)
| | - Quentin Boëté
- Univ. Grenoble Alpes, Inserm, CHU Grenoble Alpes, HP2, 38000 Grenoble, France; (W.F.); (Q.B.)
| | - Nadjib Kihal
- Laboratoire de Phytochimie et de Pharmacologie, Département de Chimie, Université de Jijel, Jijel 18000, Algeria;
| | | | - Pascal Sommer
- Institut de Biologie et Chimie des Protéines UMR5305—LBTI, CNRS, 69367 Lyon, France;
| | - Walter A. Boyle
- Department of Anesthesiology and Critical Care Medicine Division, Washington University School of Medicine, St Louis, MO 63110, USA;
| | - Marie-Paule Jacob
- INSERM, U1148, and Hopital Bichat-Claude Bernard, 75018 Paris, France;
| | - Gilles Faury
- Univ. Grenoble Alpes, Inserm, CHU Grenoble Alpes, HP2, 38000 Grenoble, France; (W.F.); (Q.B.)
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Zealley B, de Grey ADNJ. Commentary on Some Recent Theses Relevant to Combating Aging: April 2019. Rejuvenation Res 2019; 22:175-180. [PMID: 30957657 DOI: 10.1089/rej.2019.2201] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Theses reviewed in this issue include "Alpha-Synuclein Oligomers: Cellular Mechanisms and Aspects of Antibody Treatment," "Cx3cr1/cx3cl1 Axis Drives the Migration and Maturation of Oligodendroglia in the Central Nervous System," "Genome-Wide Expression Profiling of Human Circulating Monocytes and Macrophages Identifies Diagnostic and Prognostic Signatures for Cancer Outcomes," "Lysosomal Oxidation of Low Density Lipoproteins," and "The Senescence-Associated Secretory Phenotype Induced by ID1-p16 Axis Contributes to Sorafenib Resistance in Hepatocellular Carcinoma."
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Zealley B, de Grey ADNJ. Commentary on Some Recent Theses Relevant to Combating Aging: October 2019. Rejuvenation Res 2019; 22:447-453. [PMID: 31571532 DOI: 10.1089/rej.2019.2270] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Theses reviewed in this issue include "Cancer and Stem Cell Extravasation through Angiopellosis," "Human Chimeric Antigen Receptor Macrophages for Cancer Immunotherapy," "Insights on Alzheimer's Disease Etiology from Network Approaches in Healthy Aging," "Myelin and Glial Pathology in Aging and Cognitive Decline: Evidence for Faulty Myelin Clearance in the Rhesus Monkey," "Phosphatidylserine-Based Nanoparticles for Tolerance Induction Toward Therapeutic Proteins," and "Role of Endothelial Cell Stiffening in Choroidal Atrophy Associated with Dry Age-Related Macular Degeneration."
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Fhayli W, Boëté Q, Harki O, Briançon-Marjollet A, Jacob MP, Faury G. Rise and fall of elastic fibers from development to aging. Consequences on arterial structure-function and therapeutical perspectives. Matrix Biol 2019; 84:41-56. [PMID: 31493460 DOI: 10.1016/j.matbio.2019.08.005] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 08/03/2019] [Accepted: 08/26/2019] [Indexed: 12/12/2022]
Abstract
In the arteries of vertebrates, evolution has given rise to resilient macromolecular structures, elastin and elastic fibers, capable of sustaining an elevated blood pressure and smoothening the discontinuous blood flow and pressure generated by the heart. Elastic fibers are produced only during development and childhood, before being progressively degraded by mechanical stress and enzymatic activities during adulthood and aging. During this period, arterial elastic fiber calcification and loading of lipids also occur, all of these events conducting to arteriosclerosis. This leads to a progressive dysfunction of the large elastic arteries inducing elevated blood pressure as well as altered hemodynamics and organ perfusion, which induce more global malfunctions of the body during normal aging. Additionally, some arterial conditions occur more frequently with advancing age, such as atherosclerosis or aneurysms, which are called age-related diseases or pathological aging. The physiological or pathological degradation of elastic fibers and function of elastic arteries seemed to be rather inevitable over time. However, during the recent years, different molecules - including several ATP-dependent potassium channel openers, such as minoxidil - have been shown to re-induce elastin production and elastic fiber assembly, leading to improvements in the arterial structure and function or in organ perfusion. This review summarizes the changes in the arterial elastic fibers and structure from development until aging, and presents some of the potential pharmacotherapies leading to elastic fiber neosynthesis and arterial function improvement.
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Affiliation(s)
- Wassim Fhayli
- Univ. Grenoble Alpes, Inserm U1042, CHU Grenoble Alpes, HP2, 38000 Grenoble, France
| | - Quentin Boëté
- Univ. Grenoble Alpes, Inserm U1042, CHU Grenoble Alpes, HP2, 38000 Grenoble, France
| | - Olfa Harki
- Univ. Grenoble Alpes, Inserm U1042, CHU Grenoble Alpes, HP2, 38000 Grenoble, France
| | | | - Marie-Paule Jacob
- INSERM, U1148, and Hopital Bichat-Claude Bernard, 46 rue Henri Huchard, 75877 Paris, France
| | - Gilles Faury
- Univ. Grenoble Alpes, Inserm U1042, CHU Grenoble Alpes, HP2, 38000 Grenoble, France.
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Zealley B, de Grey ADNJ. Commentary on Some Recent Theses Relevant to Combating Aging: June 2019. Rejuvenation Res 2019; 22:267-273. [PMID: 31111788 DOI: 10.1089/rej.2019.2214] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Theses reviewed in this issue include "Age-Associated Lamin-B1 Reduction in the Thymic Epithelial Cells and Its Role in Thymic Involution," "Brainstem Structural Integrity in the Progression of Alzheimer's Disease," "Challenging Current Paradigms: Increasing the Efficacy of Radiation Therapy with Novel Radiation Schemes," "Cross-Talk Between the Skeletal Muscle Stem Cells and Endothelial Cells," "Design and Synthesis of Enzyme-MOF (Metal-Organic Framework) Composites for Long-Persistent Biomedical Applications," and "Megakaryocyte-Membrane Wrapped Nanoparticles for Targeted Delivery to Hematopoietic Stem Cells."
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Chronic administration of minoxidil protects elastic fibers and stimulates their neosynthesis with improvement of the aorta mechanics in mice. Cell Signal 2019; 62:109333. [PMID: 31176018 DOI: 10.1016/j.cellsig.2019.05.018] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 05/30/2019] [Accepted: 05/30/2019] [Indexed: 01/25/2023]
Abstract
Arterial wall elastic fibers, made of 90% elastin, are arranged into elastic lamellae which are responsible for the resilience and elastic properties of the large arteries (aorta and its proximal branches). Elastin is synthesized only in early life and adolescence mainly by the vascular smooth muscles cells (VSMC) through the cross-linking of its soluble precursor, tropoelastin. In normal aging, the elastic fibers become fragmented and the mechanical load is transferred to collagen fibers, which are 100-1000 times stiffer than elastic fibers. Minoxidil, an ATP-dependent K+ channel opener, has been shown to stimulate elastin expression in vitro, and in vivo in the aorta of male aged mice and young adult hypertensive rats. Here, we have studied the effect of a 3-month chronic oral treatment with minoxidil (120 mg/L in drinking water) on the abdominal aorta structure and function in adult (6-month-old) and aged (24-month-old) male and female mice. Our results show that minoxidil treatment preserves elastic lamellae integrity at both ages, which is accompanied by the formation of newly synthesized elastic fibers in aged mice. This leads to a generally decreased pulse pressure and a significant improvement of the arterial biomechanical properties in female mice, which present an increased distensibility and a decreased rigidity of the aorta. Our studies show that minoxidil treatment reversed some of the major adverse effects of arterial aging in mice and could be an interesting anti-arterial aging agent, also potentially usable for female-targeted therapies.
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Twite MD, Stenquist S, Ing RJ. Williams syndrome. Paediatr Anaesth 2019; 29:483-490. [PMID: 30811742 DOI: 10.1111/pan.13620] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 02/12/2019] [Accepted: 02/24/2019] [Indexed: 01/06/2023]
Abstract
Williams syndrome affects approximately one in 10 000 people and is caused by the deletion of genes on chromosome 7q11.23 which code for elastin. The phenotypic appearance of people with Williams syndrome is well characterized, but there continues to be new genetic and therapeutic discoveries. Patients with Williams syndrome have increased morbidity and mortality under sedation and anesthesia, largely as a result of cardiovascular abnormalities. This review article focuses on new information about Williams syndrome and outlines a structured approach to patients with Williams syndrome in the perioperative period.
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Affiliation(s)
- Mark D Twite
- Department of Anesthesiology, University of Colorado Anschutz Medical Campus & Children's Hospital Colorado, Aurora, Colorado
| | - Scott Stenquist
- Department of Anesthesiology, University of Colorado Anschutz Medical Campus & Children's Hospital Colorado, Aurora, Colorado
| | - Richard J Ing
- Department of Anesthesiology, University of Colorado Anschutz Medical Campus & Children's Hospital Colorado, Aurora, Colorado
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Wahart A, Hocine T, Albrecht C, Henry A, Sarazin T, Martiny L, El Btaouri H, Maurice P, Bennasroune A, Romier-Crouzet B, Blaise S, Duca L. Role of elastin peptides and elastin receptor complex in metabolic and cardiovascular diseases. FEBS J 2019; 286:2980-2993. [PMID: 30946528 DOI: 10.1111/febs.14836] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 02/23/2019] [Accepted: 04/02/2019] [Indexed: 12/11/2022]
Abstract
The Cardiovascular Continuum describes a sequence of events from cardiovascular risk factors to end-stage heart disease. It includes conventional pathologies affecting cardiovascular functions such as hypertension, atherosclerosis or thrombosis and was traditionally considered from the metabolic point of view. This Cardiovascular Continuum, originally described by Dzau and Braunwald, was extended by O'Rourke to consider also the crucial role played by degradation of elastic fibers, occurring during aging, in the appearance of vascular stiffness, another deleterious risk factor of the continuum. However, the involvement of the elastin degradation products, named elastin-derived peptides, to the Cardiovascular Continuum progression has not been considered before. Data from our laboratory and others clearly showed that these bioactive peptides are central regulators of this continuum, thereby amplifying appearance and evolution of cardiovascular risk factors such as diabetes or hypertension, of vascular alterations such as atherothrombosis and calcification, but also nonalcoholic fatty liver disease and nonalcoholic steatohepatitis. The Elastin Receptor Complex has been shown to be a crucial actor in these processes. We propose here the participation of these elastin-derived peptides and of the Elastin Receptor Complex in these events, and introduce a revisited Cardiovascular Continuum based on their involvement, for which elastin-based pharmacological strategies could have a strong impact in the future.
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Affiliation(s)
- Amandine Wahart
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Thinhinane Hocine
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Camille Albrecht
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Auberi Henry
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Thomas Sarazin
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Laurent Martiny
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Hassan El Btaouri
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Pascal Maurice
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Amar Bennasroune
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | | | - Sébastien Blaise
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Laurent Duca
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
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Zealley B, de Grey ADNJ. Commentary on Some Recent Theses Relevant to Combating Aging: December 2018. Rejuvenation Res 2019; 21:580-586. [PMID: 30479184 DOI: 10.1089/rej.2018.2156] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Theses reviewed in this issue include "A Thromboresistant Cell-Derived Biomaterial Modification for Vascular Grafts," "Actomyosin Mediated Tension Orchestrates Thermogenic Programs in Adipocytes," "Age-Associated Changes in Intrathymic B Cell Population in Mice," "Endoplasmic Reticulum Stress Is Transmissible Among Cells of the Central Nervous System," "Evaluation of Early Tumor Angiogenesis Using Ultrasound Acoustic Angiography," and "Interactions Between Amyloid-Beta and Microglial Cells."
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Impact of genetic studies on comprehension and treatment of congenital heart disease. PROGRESS IN PEDIATRIC CARDIOLOGY 2018. [DOI: 10.1016/j.ppedcard.2018.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Abstract
PURPOSE OF REVIEW Williams syndrome is a multisystem disorder seen with some regularity at most pediatric centers and usually fairly often at larger centers. Cardiovascular abnormalities, because of elastin deficiency, are the leading cause of morbidity and mortality in patients with Williams syndrome. The present article presents a review of the most recent developments regarding the cardiovascular issues in Williams syndrome. RECENT FINDINGS Cardiovascular abnormalities occur in 80% of patients with Williams syndrome, the majority of which are arterial stenoses. The stenoses seen in Williams syndrome now appear to arise from deficient circumferential arterial growth. Pharmacological therapies aimed at improving the vascular stenoses have shown some promise in animal models. Surgical outcomes for supravalvar aortic stenosis are good at most centers. Transcatheter interventions are largely ineffective in Williams syndrome. Multilevel surgical pulmonary artery reconstruction has excellent results for peripheral pulmonary artery stenosis. Periprocedural risk stratification and management algorithms may decrease the risk of cardiovascular complications. SUMMARY Cardiovascular abnormalities are a major determining factor in the clinical picture and trajectory of patients with Williams syndrome. Advances in surgical techniques, medical therapeutic options, and periprocedural management hold promise for significant improvements in the cardiovascular outcomes of these patients.
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Knutsen RH, Beeman SC, Broekelmann TJ, Liu D, Tsang KM, Kovacs A, Ye L, Danback JR, Watson A, Wardlaw A, Wagenseil JE, Garbow JR, Shoykhet M, Kozel BA. Minoxidil improves vascular compliance, restores cerebral blood flow, and alters extracellular matrix gene expression in a model of chronic vascular stiffness. Am J Physiol Heart Circ Physiol 2018; 315:H18-H32. [PMID: 29498532 PMCID: PMC6087770 DOI: 10.1152/ajpheart.00683.2017] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 02/22/2018] [Accepted: 02/23/2018] [Indexed: 01/27/2023]
Abstract
Increased vascular stiffness correlates with a higher risk of cardiovascular complications in aging adults. Elastin (ELN) insufficiency, as observed in patients with Williams-Beuren syndrome or with familial supravalvular aortic stenosis, also increases vascular stiffness and leads to arterial narrowing. We used Eln+/- mice to test the hypothesis that pathologically increased vascular stiffness with concomitant arterial narrowing leads to decreased blood flow to end organs such as the brain. We also hypothesized that drugs that remodel arteries and increase lumen diameter would improve flow. To test these hypotheses, we compared carotid blood flow using ultrasound and cerebral blood flow using MRI-based arterial spin labeling in wild-type (WT) and Eln+/- mice. We then studied how minoxidil, an ATP-sensitive K+ channel opener and vasodilator, affects vessel mechanics, blood flow, and gene expression. Both carotid and cerebral blood flows were lower in Eln+/- mice than in WT mice. Treatment of Eln+/- mice with minoxidil lowered blood pressure and reduced functional arterial stiffness to WT levels. Minoxidil also improved arterial diameter and restored carotid and cerebral blood flows in Eln+/- mice. The beneficial effects persisted for weeks after drug removal. RNA-Seq analysis revealed differential expression of 127 extracellular matrix-related genes among the treatment groups. These results indicate that ELN insufficiency impairs end-organ perfusion, which may contribute to the increased cardiovascular risk. Minoxidil, despite lowering blood pressure, improves end-organ perfusion. Changes in matrix gene expression and persistence of treatment effects after drug withdrawal suggest arterial remodeling. Such remodeling may benefit patients with genetic or age-dependent ELN insufficiency. NEW & NOTEWORTHY Our work with a model of chronic vascular stiffness, the elastin ( Eln)+/- mouse, shows reduced brain perfusion as measured by carotid ultrasound and MRI arterial spin labeling. Vessel caliber, functional stiffness, and blood flow improved with minoxidil. The ATP-sensitive K+ channel opener increased Eln gene expression and altered 126 other matrix-associated genes.
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Affiliation(s)
- Russell H Knutsen
- National Heart, Lung, and Blood Institute, National Institutes of Health , Bethesda, Maryland
- Department of Cell Biology and Physiology, Washington University School of Medicine , St. Louis, Missouri
| | - Scott C Beeman
- Department of Radiology, Washington University School of Medicine , St. Louis, Missouri
| | - Thomas J Broekelmann
- Department of Cell Biology and Physiology, Washington University School of Medicine , St. Louis, Missouri
| | - Delong Liu
- National Heart, Lung, and Blood Institute, National Institutes of Health , Bethesda, Maryland
| | - Kit Man Tsang
- National Heart, Lung, and Blood Institute, National Institutes of Health , Bethesda, Maryland
| | - Attila Kovacs
- Department of Internal Medicine, Washington University School of Medicine , St. Louis, Missouri
| | - Li Ye
- Department of Pediatrics, Washington University School of Medicine , St. Louis, Missouri
| | - Joshua R Danback
- Department of Pediatrics, Washington University School of Medicine , St. Louis, Missouri
| | - Anderson Watson
- National Heart, Lung, and Blood Institute, National Institutes of Health , Bethesda, Maryland
| | - Amanda Wardlaw
- National Heart, Lung, and Blood Institute, National Institutes of Health , Bethesda, Maryland
| | - Jessica E Wagenseil
- Department of Biomedical Engineering, Washington University in St. Louis , St. Louis, Missouri; Department of Pediatrics, Children's National Medical Center, Washington, D.C
| | - Joel R Garbow
- Department of Radiology, Washington University School of Medicine , St. Louis, Missouri
| | - Michael Shoykhet
- Department of Pediatrics, Washington University School of Medicine , St. Louis, Missouri
- Department of Biomedical Engineering, Washington University in St. Louis , St. Louis, Missouri; Department of Pediatrics, Children's National Medical Center, Washington, D.C
| | - Beth A Kozel
- National Heart, Lung, and Blood Institute, National Institutes of Health , Bethesda, Maryland
- Department of Pediatrics, Washington University School of Medicine , St. Louis, Missouri
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Compromised mechanical homeostasis in arterial aging and associated cardiovascular consequences. Biomech Model Mechanobiol 2018; 17:1281-1295. [PMID: 29754316 DOI: 10.1007/s10237-018-1026-7] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 05/02/2018] [Indexed: 12/19/2022]
Abstract
Aging leads to central artery stiffening and associated hemodynamic sequelae. Because healthy arteries exhibit differential geometry, composition, and mechanical behaviors along the central vasculature, we sought to determine whether wall structure and mechanical function differ across five vascular regions-the ascending and descending thoracic aorta, suprarenal and infrarenal abdominal aorta, and common carotid artery-in 20 versus 100-week-old male wild-type mice. Notwithstanding generally consistent changes across these regions, including a marked thickening of the arterial wall, diminished in vivo axial stretch, and loss of elastic energy storage capacity, the degree of changes tended to be slightly greater in abdominal than in thoracic or carotid vessels. Likely due to the long half-life of vascular elastin, most mechanical changes in the arterial wall resulted largely from a distributed increase in collagen, including thicker fibers in the media, and localized increases in glycosaminoglycans. Changes within the central arteries associated with significant increases in central pulse pressure and adverse changes in the left ventricle, including increased cardiac mass and decreased diastolic function. Given the similar half-life of vascular elastin in mice and humans but very different life-spans, there are important differences in the aging of central vessels across these species. Nevertheless, the common finding of aberrant matrix remodeling contributing to a compromised mechanical homeostasis suggests that studies of central artery aging in the mouse can provide insight into mechanisms and treatment strategies for the many adverse effects of vascular aging in humans.
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Janssen R, Piscaer I, Wouters EFM. Inhalation therapy for repairing damaged elastin fibers and decelerating elastinolysis in chronic obstructive pulmonary disease. Expert Rev Respir Med 2018; 12:349-360. [DOI: 10.1080/17476348.2018.1460206] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Rob Janssen
- Department of Pulmonary Medicine, Canisius-Wilhelmina Hospital, Nijmegen, Netherlands
| | - Ianthe Piscaer
- Department of Respiratory Medicine, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Emiel FM. Wouters
- Department of Research and Education, Center of Expertise for Chronic Organ Failure(CIRO), Horn, Netherlands
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28
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Duque Lasio ML, Kozel BA. Elastin-driven genetic diseases. Matrix Biol 2018; 71-72:144-160. [PMID: 29501665 DOI: 10.1016/j.matbio.2018.02.021] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 02/23/2018] [Accepted: 02/23/2018] [Indexed: 02/08/2023]
Abstract
Elastic fibers provide recoil to tissues that undergo repeated deformation, such as blood vessels, lungs and skin. Composed of elastin and its accessory proteins, the fibers are produced within a restricted developmental window and are stable for decades. Their eventual breakdown is associated with a loss of tissue resiliency and aging. Rare alteration of the elastin (ELN) gene produces disease by impacting protein dosage (supravalvar aortic stenosis, Williams Beuren syndrome and Williams Beuren region duplication syndrome) and protein function (autosomal dominant cutis laxa). This review highlights aspects of the elastin molecule and its assembly process that contribute to human disease and also discusses potential therapies aimed at treating diseases of elastin insufficiency.
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Affiliation(s)
| | - Beth A Kozel
- National Institutes of Health, National Heart Lung and Blood Institute, Bethesda, MD, USA.
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29
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Arnaud C, Bouyon S, Recoquillon S, Brasseur S, Lemarié E, Briançon-Marjollet A, Gonthier B, Toral M, Faury G, Martinez MC, Andriantsitohaina R, Pepin JL. Nonmuscle Myosin Light Chain Kinase: A Key Player in Intermittent Hypoxia-Induced Vascular Alterations. J Am Heart Assoc 2018; 7:JAHA.117.007893. [PMID: 29371201 PMCID: PMC5850262 DOI: 10.1161/jaha.117.007893] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Background Obstructive sleep apnea is characterized by repetitive pharyngeal collapses during sleep, leading to intermittent hypoxia (IH), the main contributor of obstructive sleep apnea–related cardiovascular morbidity. In patients and rodents with obstructive sleep apnea exposed to IH, vascular inflammation and remodeling, endothelial dysfunction, and circulating inflammatory markers are linked with IH severity. The nonmuscle myosin light chain kinase (nmMLCK) isoform contributes to vascular inflammation and oxidative stress in different cardiovascular and inflammatory diseases. Thus, in the present study, we hypothesized that nmMLCK plays a key role in the IH‐induced vascular dysfunctions and inflammatory remodeling. Methods and Results Twelve‐week‐old nmMLCK+/+ or nmMLCK−/− mice were exposed to 14‐day IH or normoxia. IH was associated with functional alterations characterized by an elevation of arterial blood pressure and stiffness and perturbations of NO signaling. IH caused endothelial barrier dysfunction (ie, reduced transendothelial resistance in vitro) and induced vascular oxidative stress associated with an inflammatory remodeling, characterized by an increased intima‐media thickness and an increased expression and activity of inflammatory markers, such as interferon‐γ and nuclear factor‐κB, in the vascular wall. Interestingly, nmMLCK deletion prevented all IH‐induced functional and structural alterations, including the restoration of NO signaling, correction of endothelial barrier integrity, and reduction of both oxidative stress and associated inflammatory response. Conclusions nmMLCK is a key mechanism in IH‐induced vascular oxidative stress and inflammation and both functional and structural remodeling.
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Affiliation(s)
- Claire Arnaud
- Laboratoire HP2, Université Grenoble Alpes, Grenoble, France .,Laboratoire HP2, INSERM U1042, Grenoble, France
| | - Sophie Bouyon
- Laboratoire HP2, Université Grenoble Alpes, Grenoble, France.,Laboratoire HP2, INSERM U1042, Grenoble, France
| | - Sylvain Recoquillon
- Université d'Angers Université Bretagne Loire, Angers, France.,INSERM UMR1063, Angers, France
| | - Sandrine Brasseur
- Laboratoire HP2, Université Grenoble Alpes, Grenoble, France.,Laboratoire HP2, INSERM U1042, Grenoble, France
| | - Emeline Lemarié
- Laboratoire HP2, Université Grenoble Alpes, Grenoble, France.,Laboratoire HP2, INSERM U1042, Grenoble, France
| | - Anne Briançon-Marjollet
- Laboratoire HP2, Université Grenoble Alpes, Grenoble, France.,Laboratoire HP2, INSERM U1042, Grenoble, France
| | - Brigitte Gonthier
- Laboratoire HP2, Université Grenoble Alpes, Grenoble, France.,Laboratoire HP2, INSERM U1042, Grenoble, France
| | - Marta Toral
- Université d'Angers Université Bretagne Loire, Angers, France.,INSERM UMR1063, Angers, France
| | - Gilles Faury
- Laboratoire HP2, Université Grenoble Alpes, Grenoble, France.,Laboratoire HP2, INSERM U1042, Grenoble, France
| | - M Carmen Martinez
- Université d'Angers Université Bretagne Loire, Angers, France.,INSERM UMR1063, Angers, France
| | | | - Jean-Louis Pepin
- Laboratoire HP2, Université Grenoble Alpes, Grenoble, France.,Laboratoire HP2, INSERM U1042, Grenoble, France.,Laboratoire d'Exploration Fonctionnelle Cardiovasculaire et Respiratoire, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, France
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30
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Bouhedja M, Peres B, Fhayli W, Ghandour Z, Boumendjel A, Faury G, Khelili S. Design, synthesis and biological evaluation of novel ring-opened cromakalim analogues with relaxant effects on vascular and respiratory smooth muscles and as stimulators of elastin synthesis. Eur J Med Chem 2018; 144:774-796. [DOI: 10.1016/j.ejmech.2017.12.071] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 12/17/2017] [Accepted: 12/18/2017] [Indexed: 11/27/2022]
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