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Gheorghe SR, Crăciun AM, Ilyés T, Tisa IB, Sur L, Lupan I, Samasca G, Silaghi CN. Converging Mechanisms of Vascular and Cartilaginous Calcification. BIOLOGY 2024; 13:565. [PMID: 39194503 DOI: 10.3390/biology13080565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2024] [Revised: 07/19/2024] [Accepted: 07/24/2024] [Indexed: 08/29/2024]
Abstract
Physiological calcification occurs in bones and epiphyseal cartilage as they grow, whereas ectopic calcification occurs in blood vessels, cartilage, and soft tissues. Although it was formerly thought to be a passive and degenerative process associated with aging, ectopic calcification has been identified as an active cell-mediated process resembling osteogenesis, and an increasing number of studies have provided evidence for this paradigm shift. A significant association between vascular calcification and cardiovascular risk has been demonstrated by various studies, which have shown that arterial calcification has predictive value for future coronary events. With respect to cartilaginous calcification, calcium phosphate or hydroxyapatite crystals can form asymptomatic deposits in joints or periarticular tissues, contributing to the pathophysiology of osteoarthritis, rheumatoid arthritis, ankylosing spondylitis, tendinitis, and bursitis. The risk factors and sequence of events that initiate ectopic calcification, as well as the mechanisms that prevent the development of this pathology, are still topics of debate. Consequently, in this review, we focus on the nexus of the mechanisms underlying vascular and cartilaginous calcifications, trying to circumscribe the similarities and disparities between them to provide more clarity in this regard.
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Affiliation(s)
- Simona R Gheorghe
- Department of Medical Biochemistry, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Alexandra M Crăciun
- Department of Medical Biochemistry, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Tamás Ilyés
- Department of Medical Biochemistry, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
| | - Ioana Badiu Tisa
- Department of Pediatrics III, Iuliu Hatieganu University of Medicine and Pharmacy, 400217 Cluj-Napoca, Romania
| | - Lucia Sur
- Department of Pediatrics I, Iuliu Hatieganu University of Medicine and Pharmacy, 400370 Cluj-Napoca, Romania
| | - Iulia Lupan
- Department of Molecular Biology, Babes-Bolyai University, 400084 Cluj-Napoca, Romania
| | - Gabriel Samasca
- Department of Immunology, Iuliu Hatieganu University of Medicine and Pharmacy, 400162 Cluj-Napoca, Romania
| | - Ciprian N Silaghi
- Department of Medical Biochemistry, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania
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Kuzan A, Chwiłkowska A, Maksymowicz K, Abramczyk U, Gamian A. Relationships between Osteopontin, Osteoprotegerin, and Other Extracellular Matrix Proteins in Calcifying Arteries. Biomedicines 2024; 12:847. [PMID: 38672202 PMCID: PMC11048129 DOI: 10.3390/biomedicines12040847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 04/06/2024] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
Osteopontin (OPN) and osteoprotegerin (OPG) are glycoproteins that participate in the regulation of tissue biomineralization. The aim of the project is to verify the hypothesis that the content of OPN and OPG in the aorta walls increases with the development of atherosclerosis and that these proteins are quantitatively related to the main proteins in the extracellular arteries matrix. Quantitative and qualitative analyses of the OPN and OPG content in 101 aorta sections have been conducted. Additionally, an enzyme-linked immunosorbent assay (ELISA) test has been performed to determine the collagen types I-IV and elastin content in the tissues. Correlations between the biochemical data and patients' age/sex, atherosclerosis stages, and calcification occurrences in the tissue have been established. We are the first to report correlations between OPN or OPG and various types of collagen and elastin content (OPG/type I collagen correlation: r = 0.37, p = 0.004; OPG/type II collagen: r = 0.34, p = 0.007; OPG/type III collagen: r = 0.39, p = 0.002, OPG/type IV collagen: r = 0.27, p = 0.03; OPG/elastin: r = 0.42, p = 0.001; OPN/collagen type I: r = 0.34, p = 0.007; OPN/collagen type II: r = 0.52, p = 0.000; OPN/elastin: r = 0.61, p = 0.001). OPN overexpression accompanies calcium deposit (CA) formation with the protein localized in the calcium deposit, whereas OPG is located outside the CA. Although OPN and OPG seem to play a similar function (inhibiting calcification), these glycoproteins have different tissue localizations and independent expression regulation. The independent expression regulation presumably depends on the factors responsible for stimulating the synthesis of collagens and elastin.
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Affiliation(s)
- Aleksandra Kuzan
- Department of Preclinical Sciences, Pharmacology and Medical Diagnostics, Faculty of Medicine, Wrocław University of Science and Technology, Wybrzeże Stanisława Wyspiańskiego 27, 50-370 Wroclaw, Poland;
| | - Agnieszka Chwiłkowska
- Department of Molecular and Cellular Biology, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland;
| | - Krzysztof Maksymowicz
- Department of Forensic Medicine, Faculty of Medicine, Wroclaw Medical University, J. Mikulicza-Radeckiego 4, 50-345 Wroclaw, Poland;
| | - Urszula Abramczyk
- Department of Pediatric Cardiology, Regional Specialist Hospital, Research and Development Center, Kamieńskiego 73A, 51-124 Wroclaw, Poland
| | - Andrzej Gamian
- Department of Immunology of Infectious Diseases, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Rudolfa Weigla 12, 53-114 Wroclaw, Poland;
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Vigil FMB, Vaz de Castro PAS, Hasparyk UG, Bartolomei VS, Simões E Silva AC. Potential Role of Bone Metabolism Markers in Kidney Transplant Recipients. Curr Med Chem 2024; 31:2809-2820. [PMID: 38332694 DOI: 10.2174/0109298673250291231121052433] [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: 03/07/2023] [Revised: 07/17/2023] [Accepted: 10/27/2023] [Indexed: 02/10/2024]
Abstract
BACKGROUND The impact of treatments, suppressing the immune system, persistent hyperparathyroidism, and other risk factors on mineral and bone disorder (MBD) after kidney transplantation is well-known. However, there is limited knowledge about their effect on bone metabolism biomarkers. This study aimed to investigate the influence of kidney transplant on these markers, comparing them to patients undergoing hemodialysis and healthy individuals. METHODS In this cross-sectional study, three groups were included: kidney transplant patients (n = 57), hemodialysis patients (n = 26), and healthy controls (n = 31). Plasma concentrations of various bone metabolism biomarkers, including Dickkopf-related protein 1, osteoprotegerin, osteocalcin, osteopontin, sclerostin, and fibroblast growth factor 23, were measured. Associations between these biomarkers and clinical and laboratory data were evaluated. RESULTS A total of 114 patients participated. Transplant recipients had significantly lower levels of Dickkopf-related protein 1, osteoprotegerin, osteocalcin, osteopontin, sclerostin, and fibroblast growth factor 23 compared to hemodialysis patients. Alkaline phosphatase levels positively correlated with osteopontin (r = 0.572, p < 0.001), while fibroblast growth factor 23 negatively correlated with 25-hydroxyvitamin D (r = -0.531, p = 0.019). The panel of bone biomarkers successfully predicted hypercalcemia (area under the curve [AUC] = 0.852, 95% confidence interval [CI] = 0.679-1.000) and dyslipidemia (AUC = 0.811, 95% CI 0.640-0.982) in transplant recipients. CONCLUSION Kidney transplantation significantly improves mineral and bone disorders associated with end-stage kidney disease by modulating MBD markers and reducing bone metabolism markers, such as Dickkopf-related protein 1, osteoprotegerin, osteocalcin, osteopontin, and sclerostin. Moreover, the panel of bone biomarkers effectively predicted hypercalcemia and dyslipidemia in transplant recipients.
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Affiliation(s)
- Flávia Maria Borges Vigil
- Interdisciplinary Laboratory of Medical Investigation, Unit of Pediatric Nephrology, Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
- Hospital Evangélico, Belo Horizonte, MG, Brazil
| | - Pedro Alves Soares Vaz de Castro
- Interdisciplinary Laboratory of Medical Investigation, Unit of Pediatric Nephrology, Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Ursula Gramiscelli Hasparyk
- Interdisciplinary Laboratory of Medical Investigation, Unit of Pediatric Nephrology, Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Victória Soares Bartolomei
- Interdisciplinary Laboratory of Medical Investigation, Unit of Pediatric Nephrology, Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Ana Cristina Simões E Silva
- Interdisciplinary Laboratory of Medical Investigation, Unit of Pediatric Nephrology, Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
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Zhou Z, Li Y, Jiang W, Wang Z. Molecular Mechanism of Calycosin Inhibited Vascular Calcification. Nutrients 2023; 16:99. [PMID: 38201929 PMCID: PMC10781010 DOI: 10.3390/nu16010099] [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: 10/25/2023] [Revised: 12/07/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024] Open
Abstract
Vascular calcification (VC) is a pathological condition frequently observed in cardiovascular diseases. Primary factors contributing to VC are osteogenic differentiation of vascular smooth muscle and hydroxyapatite deposition. Targeted autophagy (a lysosome-mediated mechanism for degradation/recycling of unnecessary cellular components) is a useful approach for inhibiting VC and promoting vascular cell health. Calycosin has been shown to alleviate atherosclerosis by enhancing macrophage autophagy, but its therapeutic effect on VC has not been demonstrated. Using an in vitro model (rat thoracic aortic smooth muscle cell line A7r5), we demonstrated effective inhibition of VC using calycosin (the primary flavonoid component of astragalus), based on the enhancement of autophagic flux. Calycosin treatment activated AMPK/mTOR signaling to induce initiation of autophagy and restored mTORC1-dependent autophagosome-lysosome fusion in late-stage autophagy by promoting soluble N-ethylmaleimide-sensitive factor attachment protein receptor (SNARE) complex formation, thereby preventing stoppage of autophagy in calcified cells. Calycosin substantially reduced degrees of both osteogenic differentiation and calcium deposition in our VC cell model by enhancing autophagy. The present findings clarify the mechanism whereby calycosin mitigates autophagy stoppage in calcified smooth muscle cells and provide a basis for effective VC treatment via autophagy enhancement.
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Affiliation(s)
- Zekun Zhou
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (Z.Z.); (Y.L.)
| | - Yi Li
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (Z.Z.); (Y.L.)
| | - Wei Jiang
- College of Biological Sciences, China Agricultural University, Beijing 100193, China;
| | - Zengli Wang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (Z.Z.); (Y.L.)
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Abstract
The medial layer of the arterial wall is composed mainly of vascular smooth muscle cells (VSMCs). Under physiological conditions, VSMCs assume a contractile phenotype, and their primary function is to regulate vascular tone. In contrast with terminally differentiated cells, VSMCs possess phenotypic plasticity, capable of transitioning into other cellular phenotypes in response to changes in the vascular environment. Recent research has shown that VSMC phenotypic switching participates in the pathogenesis of atherosclerosis, where the various types of dedifferentiated VSMCs accumulate in the atherosclerotic lesion and participate in the associated vascular remodeling by secreting extracellular matrix proteins and proteases. This review article discusses the 9 VSMC phenotypes that have been reported in atherosclerotic lesions and classifies them into differentiated VSMCs, intermediately dedifferentiated VSMCs, and dedifferentiated VSMCs. It also provides an overview of several methodologies that have been developed for studying VSMC phenotypic switching and discusses their respective advantages and limitations.
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Affiliation(s)
- Runji Chen
- Shantou University Medical CollegeShantouChina
| | - David G. McVey
- Department of Cardiovascular SciencesUniversity of LeicesterLeicesterUnited Kingdom
| | - Daifei Shen
- Research Center for Translational MedicineThe Second Affiliated Hospital of Shantou University Medical CollegeShantouChina
| | | | - Shu Ye
- Shantou University Medical CollegeShantouChina
- Department of Cardiovascular SciencesUniversity of LeicesterLeicesterUnited Kingdom
- Cardiovascular‐Metabolic Disease Translational Research ProgrammeNational University of SingaporeSingapore
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Anousakis-Vlachochristou N, Athanasiadou D, Carneiro KM, Toutouzas K. Focusing on the Native Matrix Proteins in Calcific Aortic Valve Stenosis. JACC Basic Transl Sci 2023; 8:1028-1039. [PMID: 37719438 PMCID: PMC10504402 DOI: 10.1016/j.jacbts.2023.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 01/09/2023] [Accepted: 01/10/2023] [Indexed: 09/19/2023]
Abstract
Calcific aortic valve stenosis (CAVS) is a widespread valvular heart disease affecting people in aging societies, primarily characterized by fibrosis, inflammation, and progressive calcification, leading to valve orifice stenosis. Understanding the factors associated with CAVS onset and progression is crucial to develop effective future pharmaceutical therapies. In CAVS, native extracellular matrix proteins modifications, play a significant role in calcification in vitro and in vivo. This work aimed to review the evidence on the alterations of structural native extracellular matrix proteins involved in calcification development during CAVS and highlight its link to deregulated biomechanical function.
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Affiliation(s)
| | | | - Karina M.M. Carneiro
- Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Konstantinos Toutouzas
- National and Kapodistrian University of Athens, Medical School, First Department of Cardiology, Athens, Greece
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Chunder R, Schropp V, Marzin M, Amor S, Kuerten S. A Dual Role of Osteopontin in Modifying B Cell Responses. Biomedicines 2023; 11:1969. [PMID: 37509608 PMCID: PMC10377065 DOI: 10.3390/biomedicines11071969] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/06/2023] [Accepted: 07/07/2023] [Indexed: 07/30/2023] Open
Abstract
The occurrence of B cell aggregates within the central nervous system (CNS) has prompted the investigation of the potential sources of pathogenic B cell and T cell responses in a subgroup of secondary progressive multiple sclerosis (MS) patients. Nevertheless, the expression profile of molecules associated with these aggregates and their role in aggregate development and persistence is poorly described. Here, we focused on the expression pattern of osteopontin (OPN), which is a well-described cytokine, in MS brain tissue. Autopsied brain sections from MS cases with and without B cell pathology were screened for the presence of CD20+ B cell aggregates and co-expression of OPN. To demonstrate the effect of OPN on B cells, flow cytometry, ELISA and in vitro aggregation assays were conducted using the peripheral blood of healthy volunteers. Although OPN was expressed in MS brain tissue independent of B cell pathology, it was also highly expressed within B cell aggregates. In vitro studies demonstrated that OPN downregulated the co-stimulatory molecules CD80 and CD86 on B cells. OPN-treated B cells produced significantly lower amounts of IL-6. However, OPN-treated B cells also exhibited a higher tendency to form homotypic cell aggregates in vitro. Taken together, our data indicate a conflicting role of OPN in modulating B cell responses.
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Affiliation(s)
- Rittika Chunder
- Faculty of Medicine, Institute of Neuroanatomy, University of Bonn, 53115 Bonn, Germany
- University Hospital Bonn, 53127 Bonn, Germany
- Institute of Anatomy and Cell Biology, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Verena Schropp
- Faculty of Medicine, Institute of Neuroanatomy, University of Bonn, 53115 Bonn, Germany
- University Hospital Bonn, 53127 Bonn, Germany
- Institute of Anatomy and Cell Biology, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Manuel Marzin
- Department of Pathology, Amsterdam University Medical Center, 1007 MB Amsterdam, The Netherlands
| | - Sandra Amor
- Department of Pathology, Amsterdam University Medical Center, 1007 MB Amsterdam, The Netherlands
- Institute of Anatomy, Rostock University Medical Center, 18057 Rostock, Germany
| | - Stefanie Kuerten
- Faculty of Medicine, Institute of Neuroanatomy, University of Bonn, 53115 Bonn, Germany
- University Hospital Bonn, 53127 Bonn, Germany
- Institute of Anatomy and Cell Biology, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
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Schroeder ME, Batan D, Gonzalez Rodriguez A, Speckl KF, Peters DK, Kirkpatrick BE, Hach GK, Walker CJ, Grim JC, Aguado BA, Weiss RM, Anseth KS. Osteopontin activity modulates sex-specific calcification in engineered valve tissue mimics. Bioeng Transl Med 2023; 8:e10358. [PMID: 36684107 PMCID: PMC9842038 DOI: 10.1002/btm2.10358] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 04/29/2022] [Accepted: 05/13/2022] [Indexed: 02/06/2023] Open
Abstract
Patients with aortic valve stenosis (AVS) have sexually dimorphic phenotypes in their valve tissue, where male valvular tissue adopts a calcified phenotype and female tissue becomes more fibrotic. The molecular mechanisms that regulate sex-specific calcification in valvular tissue remain poorly understood. Here, we explored the role of osteopontin (OPN), a pro-fibrotic but anti-calcific bone sialoprotein, in regulating the calcification of female aortic valve tissue. Recognizing that OPN mediates calcification processes, we hypothesized that aortic valvular interstitial cells (VICs) in female tissue have reduced expression of osteogenic markers in the presence of elevated OPN relative to male VICs. Human female valve leaflets displayed reduced and smaller microcalcifications, but increased OPN expression relative to male leaflets. To understand how OPN expression contributes to observed sex dimorphisms in valve tissue, we employed enzymatically degradable hydrogels as a 3D cell culture platform to recapitulate male or female VIC interactions with the extracellular matrix. Using this system, we recapitulated sex differences observed in human tissue, specifically demonstrating that female VICs exposed to calcifying medium have smaller mineral deposits within the hydrogel relative to male VICs. We identified a change in OPN dynamics in female VICs in the presence of calcification stimuli, where OPN deposition localized from the extracellular matrix to perinuclear regions. Additionally, exogenously delivered endothelin-1 to encapsulated VICs increased OPN gene expression in male cells, which resulted in reduced calcification. Collectively, our results suggest that increased OPN in female valve tissue may play a sex-specific role in mitigating mineralization during AVS progression.
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Affiliation(s)
- Megan E. Schroeder
- Department of Chemical and Biological EngineeringUniversity of Colorado BoulderBoulderColoradoUSA
- The BioFrontiers InstituteUniversity of Colorado BoulderBoulderColoradoUSA
| | - Dilara Batan
- The BioFrontiers InstituteUniversity of Colorado BoulderBoulderColoradoUSA
- Department of BiochemistryUniversity of Colorado BoulderBoulderColoradoUSA
| | - Andrea Gonzalez Rodriguez
- Department of Chemical and Biological EngineeringUniversity of Colorado BoulderBoulderColoradoUSA
- The BioFrontiers InstituteUniversity of Colorado BoulderBoulderColoradoUSA
| | - Kelly F. Speckl
- Department of Chemical and Biological EngineeringUniversity of Colorado BoulderBoulderColoradoUSA
- The BioFrontiers InstituteUniversity of Colorado BoulderBoulderColoradoUSA
| | - Douglas K. Peters
- The BioFrontiers InstituteUniversity of Colorado BoulderBoulderColoradoUSA
- Department of Molecular, Cellular, and Developmental BiologyUniversity of Colorado BoulderBoulderColoradoUSA
| | - Bruce E. Kirkpatrick
- Department of Chemical and Biological EngineeringUniversity of Colorado BoulderBoulderColoradoUSA
- The BioFrontiers InstituteUniversity of Colorado BoulderBoulderColoradoUSA
- Medical Scientist Training ProgramUniversity of Colorado Anschutz Medical CampusAuroraColoradoUSA
| | - Grace K. Hach
- Department of Chemical and Biological EngineeringUniversity of Colorado BoulderBoulderColoradoUSA
- The BioFrontiers InstituteUniversity of Colorado BoulderBoulderColoradoUSA
| | - Cierra J. Walker
- The BioFrontiers InstituteUniversity of Colorado BoulderBoulderColoradoUSA
- Materials Science and Engineering ProgramUniversity of Colorado BoulderBoulderColoradoUSA
| | - Joseph C. Grim
- Department of Chemical and Biological EngineeringUniversity of Colorado BoulderBoulderColoradoUSA
- The BioFrontiers InstituteUniversity of Colorado BoulderBoulderColoradoUSA
| | - Brian A. Aguado
- Department of Chemical and Biological EngineeringUniversity of Colorado BoulderBoulderColoradoUSA
- The BioFrontiers InstituteUniversity of Colorado BoulderBoulderColoradoUSA
- Department of BioengineeringUniversity of California San DiegoLa JollaCaliforniaUSA
- Sanford Consortium for Regenerative MedicineLa JollaCaliforniaUSA
| | - Robert M. Weiss
- Department of Internal MedicineUniversity of IowaIowa CityIowaUSA
| | - Kristi S. Anseth
- Department of Chemical and Biological EngineeringUniversity of Colorado BoulderBoulderColoradoUSA
- The BioFrontiers InstituteUniversity of Colorado BoulderBoulderColoradoUSA
- Materials Science and Engineering ProgramUniversity of Colorado BoulderBoulderColoradoUSA
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Akouris PP, Chmiel JA, Stuivenberg GA, Kiattiburut W, Bjazevic J, Razvi H, Grohe B, Goldberg HA, Burton JP, Al KF. Osteopontin phosphopeptide mitigates calcium oxalate stone formation in a Drosophila melanogaster model. Urolithiasis 2022; 51:19. [PMID: 36547746 DOI: 10.1007/s00240-022-01395-2] [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: 11/01/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022]
Abstract
Kidney stone disease affects nearly one in ten individuals and places a significant economic strain on global healthcare systems. Despite the high frequency of stones within the population, effective preventative strategies are lacking and disease prevalence continues to rise. Osteopontin (OPN) is a urinary protein that can inhibit the formation of renal calculi in vitro. However, the efficacy of OPN in vivo has yet to be determined. Using an established Drosophila melanogaster model of calcium oxalate urolithiasis, we demonstrated that a 16-residue synthetic OPN phosphopeptide effectively reduced stone burden in vivo. Oral supplementation with this peptide altered crystal morphology of calcium oxalate monohydrate (COM) in a similar manner to previous in vitro studies, and the presence of the OPN phosphopeptide during COM formation and adhesion significantly reduced crystal attachment to mammalian kidney cells. Altogether, this study is the first to show that an OPN phosphopeptide can directly mitigate calcium oxalate urolithiasis formation in vivo by modulating crystal morphology. These findings suggest that OPN supplementation is a promising therapeutic approach and may be clinically useful in the management of urolithiasis in humans.
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Affiliation(s)
- Polycronis P Akouris
- Canadian Centre for Human Microbiome and Probiotics, London, ON, Canada
- Department of Microbiology and Immunology, Western University, London, ON, Canada
| | - John A Chmiel
- Canadian Centre for Human Microbiome and Probiotics, London, ON, Canada
- Department of Microbiology and Immunology, Western University, London, ON, Canada
| | - Gerrit A Stuivenberg
- Canadian Centre for Human Microbiome and Probiotics, London, ON, Canada
- Department of Microbiology and Immunology, Western University, London, ON, Canada
| | - Wongsakorn Kiattiburut
- Canadian Centre for Human Microbiome and Probiotics, London, ON, Canada
- Department of Microbiology and Immunology, Western University, London, ON, Canada
| | - Jennifer Bjazevic
- Division of Urology, Department of Surgery, Western University, London, ON, Canada
| | - Hassan Razvi
- Division of Urology, Department of Surgery, Western University, London, ON, Canada
| | - Bernd Grohe
- Canadian Centre for Human Microbiome and Probiotics, London, ON, Canada
| | - Harvey A Goldberg
- Department of Biochemistry, Western University, London, ON, Canada
- School of Dentistry, Western University, London, ON, Canada
| | - Jeremy P Burton
- Canadian Centre for Human Microbiome and Probiotics, London, ON, Canada
- Department of Microbiology and Immunology, Western University, London, ON, Canada
- Division of Urology, Department of Surgery, Western University, London, ON, Canada
| | - Kait F Al
- Canadian Centre for Human Microbiome and Probiotics, London, ON, Canada.
- Department of Microbiology and Immunology, Western University, London, ON, Canada.
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Kaur R, Singh R. Mechanistic insights into CKD-MBD-related vascular calcification and its clinical implications. Life Sci 2022; 311:121148. [DOI: 10.1016/j.lfs.2022.121148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 10/22/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022]
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11
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Van de Perre E, Bazin D, Estrade V, Bouderlique E, Wissing KM, Daudon M, Letavernier E. Randall’s plaque as the origin of idiopathic calcium oxalate stone formation: an update. CR CHIM 2022. [DOI: 10.5802/crchim.102] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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12
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Dutta P, Sengupta A, Chakraborty S. Epigenetics: a new warrior against cardiovascular calcification, a forerunner in modern lifestyle diseases. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:62093-62110. [PMID: 34601672 DOI: 10.1007/s11356-021-15718-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
Arterial and aortic valve calcifications are the most prevalent pathophysiological conditions among all the reported cases of cardiovascular calcifications. It increases with several risk factors like age, hypertension, external stimuli, mechanical forces, lipid deposition, malfunction of genes and signaling pathways, enhancement of naturally occurring calcium inhibitors, and many others. Modern-day lifestyle is affected by numerous environmental factors and harmful toxins that impair our health rather than providing benefits. Applying the combinatorial approach or targeting the exact mechanism could be a new strategy for drug designing or attenuating the severity of calcification. Most of the non-communicable diseases are life-threatening; thus, altering the phenotype and not the genotype may reveal the gateway for fighting with upcoming hurdles. Overall, this review summarizes the reason behind the generation of arterial and aortic valve calcification and its related signaling pathways and also the detrimental effects of calcification. In addition, the individual process of epigenetics and how the implementation of this process becomes a novel approach for diminishing the harmful effect of calcification are discussed. Noteworthy, as epigenetics is linked with genetics and environmental factors necessitates further clinical trials for complete and in-depth understanding and application of this strategy in a more specific and prudent manner.
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Affiliation(s)
- Parna Dutta
- Department of Life Sciences, Presidency University, 86/1, College Street, Baker building, 2nd floor, Kolkata, West Bengal, 700073, India
| | - Arunima Sengupta
- Department of Life science & Bio-technology, Jadavpur University, Kolkata, 700032, India
| | - Santanu Chakraborty
- Department of Life Sciences, Presidency University, 86/1, College Street, Baker building, 2nd floor, Kolkata, West Bengal, 700073, India.
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Machado M, Castro MB, Wilson TM, Gonçalves AAB, Portiansky EL, Riet-Correa F, Barros SS. Poisoning by Nierembergia veitchii: Effects on vascular smooth muscle cells in the pathogenesis of enzootic calcinosis. Vet Pathol 2022; 59:814-823. [PMID: 35587717 DOI: 10.1177/03009858221098430] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Vascular mineralization is a hallmark of enzootic calcinosis. Histopathological, ultrastructural, and immunohistochemical investigations were performed on the external carotid arteries of seven sheep naturally poisoned by Nierembergia veitchii. Histologically, moderate to marked hyperplasia of the tunica intima was observed without mineralization. The tunica media exhibited mild to severe mineralization and osteochondroid metaplasia. Sheep with enzootic calcinosis showed arterial overexpression of osteopontin and tissue-nonspecific alkaline phosphatase and immunolabeling for osteonectin and osteocalcin in both intima and media layers of the tested arteries. The main ultrastructural finding in the tunica media was a marked phenotypic change of vascular smooth muscle cells from a contractile phenotype (VSMC-C) into a synthetic phenotype (VSMC-S). In the tunica media, VSMC-S produced matrix and extracellular vesicles, forming mineralizable granules associated with arterial mineralization. VSMC-S were also present in the tunica intima, but matrix and extracellular vesicles and mineralization were not observed. The absence of matrix and extracellular vesicles in the intimal hyperplasia, even in the presence of noncollagenous bone proteins, tissue-nonspecific alkaline phosphatase, and vitamin D receptors, reinforces the hypothesis that the presence of matrix and extracellular vesicles are crucial for the development of vascular mineralization in enzootic calcinosis. It is proposed that the two different VSMC-S phenotypes in calcinosis are due to the expression of at least two genetically different types of these cells induced by the action of 1,25(OH)2D3.
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Affiliation(s)
- Mizael Machado
- Instituto Nacional de Investigación Agropecuaria, Tacuarembó, Uruguay
| | | | | | | | - Enrique L Portiansky
- National University of La Plata, La Plata, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Franklin Riet-Correa
- Instituto Nacional de Investigación Agropecuaria, Tacuarembó, Uruguay.,Federal University of Bahia, Salvador, Brazil
| | - Severo S Barros
- Federal University of Santa Maria, Rio Grande do Sul, Brazil
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14
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Rahmani R, Baranoski JF, Albuquerque FC, Lawton MT, Hashimoto T. Intracranial aneurysm calcification – A narrative review. Exp Neurol 2022; 353:114052. [DOI: 10.1016/j.expneurol.2022.114052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 03/14/2022] [Accepted: 03/17/2022] [Indexed: 11/16/2022]
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15
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Leifheit-Nestler M, Vogt I, Haffner D, Richter B. Phosphate Is a Cardiovascular Toxin. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1362:107-134. [DOI: 10.1007/978-3-030-91623-7_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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16
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Sitagliptin attenuates arterial calcification by downregulating oxidative stress-induced receptor for advanced glycation end products in LDLR knockout mice. Sci Rep 2021; 11:17851. [PMID: 34497344 PMCID: PMC8426400 DOI: 10.1038/s41598-021-97361-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 08/24/2021] [Indexed: 12/25/2022] Open
Abstract
Diabetes is a complex disease characterized by hyperglycemia, dyslipidemia, and insulin resistance. Plasma advanced glycation end products (AGEs) activated the receptor for advanced glycation end products (RAGE) and the activation of RAGE is implicated to be the pathogenesis of type 2 diabetic mellitus (T2DM) patient vascular complications. Sitagliptin, a dipeptidyl peptidase-4 (DPP4) inhibitor, is a new oral hypoglycemic agent for the treatment of T2DM. However, the beneficial effects on vascular calcification remain unclear. In this study, we used a high-fat diet (HFD)-fed low-density lipoprotein receptor deficiency (LDLR−/−) mice model to investigate the potential effects of sitagliptin on HFD-induced arterial calcification. Mice were randomly divided into 3 groups: (1) normal diet group, (2) HFD group and (3) HFD + sitagliptin group. After 24 weeks treatment, we collected the blood for chemistry parameters and DPP4 activity measurement, and harvested the aorta to evaluate calcification using immunohistochemistry and calcium content. To determine the effects of sitagliptin, tumor necrosis factor (TNF)-α combined with S100A12 was used to induce oxidative stress, activation of nicotinamide adenine dinucleotide phosphate (NADPH), up-regulation of bone markers and RAGE expression, and cell calcium deposition on human aortic smooth muscle cells (HASMCs). We found that sitagliptin effectively blunted the HFD-induced artery calcification and significantly lowered the levels of fasting serum glucose, triglyceride (TG), nitrotyrosine and TNF-α, decreased the calcium deposits, and reduced arterial calcification. In an in-vitro study, both S100A12 and TNF-α stimulated RAGE expression and cellular calcium deposits in HASMCs. The potency of S100A12 on HASMCs was amplified by the presence of TNF-α. Sitagliptin and Apocynin (APO), an NADPH oxidase inhibitor, inhibited the TNF-α + S100A12-induced NADPH oxidase and nuclear factor (NF)-κB activation, cellular oxidative stress, RAGE expression, osteo transcription factors expression and calcium deposition. In addition, treatment with sitagliptin, knockdown of RAGE or TNF-α receptor blunted the TNF-α + S100A12-induced RAGE expression. Our findings suggest that sitagliptin may suppress the initiation and progression of arterial calcification by inhibiting the activation of NADPH oxidase and NF-κB, followed by decreasing the expression of RAGE.
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17
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Gloria MAD, Mouro MG, Geraldini S, Higa EMS, Carvalho AB. Cbfa1 expression in vascular smooth muscle cells may be elevated by increased nitric oxide/iNOS. ACTA ACUST UNITED AC 2021; 42:300-306. [PMID: 32459278 PMCID: PMC7657048 DOI: 10.1590/2175-8239-jbn-2019-0166] [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: 11/01/2019] [Accepted: 03/14/2020] [Indexed: 12/31/2022]
Abstract
INTRODUCTION Vascular calcification is a common complication of chronic kidney disease. Osteoblast differentiation factor (Cbfa1) is present in histologic sections of arteries from patients with end-stage renal disease. Vascular smooth muscle cells (VSMC) can dedifferentiate to osteoblast-like cells, possibly by up-regulation of Cbfa1. There is evidence that the production of nitric oxide (NO) may have an important role in the regulation of osteoblast metabolism. The aim of this study is to evaluate whether increased NO/iNOS expression causes an increase in cbfa1 expression in VSMC. METHODS VSMC were obtained from renal artery of Wistar male rats, treated for 72 hours with lipopolysaccharide (LPS), ß-glycerophosphate (BGF), a donor of phosphate and aminoguanidine (AG), an inhibitor of iNOS, in the following groups: CTL (control), LPS, BGF, LPS + BGF, and LPS + AG. NO synthesis was determined by chemiluminescence. Cbfa1 and iNOS mRNA expressions were analyzed by RT-PCR, Cbfa1 protein expression by immunohistochemistry and cellular viability by acridine orange. RESULTS Cbfa1 and iNOS mRNA expressions were higher in LPS and LPS+ BGF vs CTL (p < 0.05), and they were lower in LPS+AG vs LPS (p < 0.05). The Cbfa1 in the groups LPS and LPS+BGF also resulted in a higher value compared to CTL (p < 0.05), and in LPS+AG it was lower compared to LPS (p < 0.05). NO was higher in LPS and LPS+BGF compared to CTL group (p < 0.05) and lower in LPS + AG compared to LPS group (p < 0.05). Cellular viability showed no statistical difference among groups. CONCLUSION This study showed that increased NO/iNOS expression causes an increase in cbfa1 expression in VSMC.
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Affiliation(s)
- Maria Aparecida da Gloria
- Universidade Federal de São Paulo, Departamento de Medicina, Programa de pós-graduação em Nefrologia, São Paulo, SP, Brasil
| | - Margaret Gori Mouro
- Universidade Federal de São Paulo, Departamento de Medicina, Programa de pós-graduação em Nefrologia, São Paulo, SP, Brasil
| | - Simone Geraldini
- Universidade Federal de São Paulo, Departamento de Medicina, Programa de pós-graduação em Nefrologia, São Paulo, SP, Brasil
| | - Elisa Mieko Suemitsu Higa
- Universidade Federal de São Paulo, Departamento de Medicina, Programa de pós-graduação em Nefrologia, São Paulo, SP, Brasil.,Universidade Federal de São Paulo, Departamento de Medicina, Programa de pós-graduação em Medicina Translational, São Paulo, Brasil
| | - Aluizio Barbosa Carvalho
- Universidade Federal de São Paulo, Departamento de Medicina, Programa de pós-graduação em Nefrologia, São Paulo, SP, Brasil
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18
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Mesenchyme homeobox 1 mediated-promotion of osteoblastic differentiation is negatively regulated by mir-3064-5p. Differentiation 2021; 120:19-27. [PMID: 34130045 DOI: 10.1016/j.diff.2021.05.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 04/16/2021] [Accepted: 05/16/2021] [Indexed: 11/23/2022]
Abstract
Human mesenchymal stem cells (hMSCs) are multipotent cells that can be differentiated into different cell types including osteoblasts. Herein we aimed to assess the regulation of transcription factor mesenchyme homeobox 1 (Meox1) in the osteogenic differentiation of hMSCs and to determine the microRNA which targets on Meox1. Total RNA was extracted from the isolated ligamentum flavum tissue samples and cultured hMSCs, and the expression of Meox1 was assessed by RT-PCR and Western blot assays. Cultured hMSCs were induced towards osteoblastic differentiation, and the osteoblast phenotype was determined by alkaline phosphatase activity and alizarin red staining. The microRNA targeting on the 3'-UTR of Meox1was predicted using bioinformatics tool, and the binding was validated by luciferase and RNA pulldown assays. The osteoblastic differentiation of hMSCs was checked with the knockdown of Meox1 and microRNA inhibitors. Higher expression of Meox1, and lower expression of miR-3064-5p in ossified ligamentum flavum (OLF) tissues were identified. In addition, increased expression along with the osteoblastic differentiation of hMSCs was found. Further research revealed that Meox was a direct target of miR-3064-5p, when the former promoted the differentiation of hMSCs into osteoblasts, the latter significantly suppressed the osteogenesis. The expression of Meox1 increased gradually with the osteoblastic differentiation of hMSCs, during which miR-3064-5p decreased. Meox1 is a direct target of miR-3064-5p, and they both play important roles in the osteogenesis. These findings provide potential target for the development of therapeutic drugs for skeletal system diseases.
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19
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Long-Term Treatment of Azathioprine in Rats Induces Vessel Mineralization. Biomedicines 2021; 9:biomedicines9030327. [PMID: 33806932 PMCID: PMC8004774 DOI: 10.3390/biomedicines9030327] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/14/2021] [Accepted: 03/17/2021] [Indexed: 12/31/2022] Open
Abstract
Medial vascular calcification (mVC) is closely related to cardiovascular disease, especially in patients suffering from chronic kidney disease (CKD). Even after successful kidney transplantation, cardiovascular mortality remains increased. There is evidence that immunosuppressive drugs might influence pathophysiological mechanisms in the vessel wall. Previously, we have shown in vitro that mVC is induced in vascular smooth muscle cells (VSMCs) upon treatment with azathioprine (AZA). This effect was confirmed in the current study in an in vivo rat model treated with AZA for 24 weeks. The calcium content increased in the aortic tissue upon AZA treatment. The pathophysiologic mechanisms involve AZA catabolism to 6-thiouracil via xanthine oxidase (XO) with subsequent induction of oxidative stress. Proinflammatory cytokines, such as interleukin (IL)-1ß and IL-6, increase upon AZA treatment, both systemically and in the aortic tissue. Further, VSMCs show an increased expression of core-binding factor α-1, alkaline phosphatase and osteopontin. As the AZA effect could be decreased in NLRP3−/− aortic rings in an ex vivo experiment, the signaling pathway might be, at least in part, dependent on the NLRP3 inflammasome. Although human studies are necessary to confirm the harmful effects of AZA on vascular stiffening, these results provide further evidence of induction of VSMC calcification under AZA treatment and its effects on vessel structure.
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20
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Vidavsky N, Kunitake JAMR, Estroff LA. Multiple Pathways for Pathological Calcification in the Human Body. Adv Healthc Mater 2021; 10:e2001271. [PMID: 33274854 PMCID: PMC8724004 DOI: 10.1002/adhm.202001271] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 10/16/2020] [Indexed: 12/12/2022]
Abstract
Biomineralization of skeletal components (e.g., bone and teeth) is generally accepted to occur under strict cellular regulation, leading to mineral-organic composites with hierarchical structures and properties optimized for their designated function. Such cellular regulation includes promoting mineralization at desired sites as well as inhibiting mineralization in soft tissues and other undesirable locations. In contrast, pathological mineralization, with potentially harmful health effects, can occur as a result of tissue or metabolic abnormalities, disease, or implantation of certain biomaterials. This progress report defines mineralization pathway components and identifies the commonalities (and differences) between physiological (e.g., bone remodeling) and pathological calcification formation pathways, based, in part, upon the extent of cellular control within the system. These concepts are discussed in representative examples of calcium phosphate-based pathological mineralization in cancer (breast, thyroid, ovarian, and meningioma) and in cardiovascular disease. In-depth mechanistic understanding of pathological mineralization requires utilizing state-of-the-art materials science imaging and characterization techniques, focusing not only on the final deposits, but also on the earlier stages of crystal nucleation, growth, and aggregation. Such mechanistic understanding will further enable the use of pathological calcifications in diagnosis and prognosis, as well as possibly provide insights into preventative treatments for detrimental mineralization in disease.
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Affiliation(s)
- Netta Vidavsky
- Department of Chemical Engineering, Ben-Gurion University of the Negev, Beer-Sheva, 8410501, Israel
| | - Jennie A M R Kunitake
- Department of Materials Science and Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Lara A Estroff
- Department of Materials Science and Engineering, Cornell University, Ithaca, NY, 14853, USA
- Kavli Institute at Cornell for Nanoscale Science, Ithaca, NY, 14853, USA
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21
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Chen JY, Wang YX, Ren KF, Wang YB, Fu GS, Ji J. The influence of substrate stiffness on osteogenesis of vascular smooth muscle cells. Colloids Surf B Biointerfaces 2021; 197:111388. [DOI: 10.1016/j.colsurfb.2020.111388] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 08/29/2020] [Accepted: 09/26/2020] [Indexed: 11/29/2022]
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22
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Li W, Su SA, Chen J, Ma H, Xiang M. Emerging roles of fibroblasts in cardiovascular calcification. J Cell Mol Med 2020; 25:1808-1816. [PMID: 33369201 PMCID: PMC7882970 DOI: 10.1111/jcmm.16150] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 10/16/2020] [Accepted: 11/22/2020] [Indexed: 12/18/2022] Open
Abstract
Cardiovascular calcification, a kind of ectopic mineralization in cardiovascular system, including atherosclerotic calcification, arterial medial calcification, valve calcification and the gradually recognized heart muscle calcification, is a complex pathophysiological process correlated with poor prognosis. Although several cell types such as smooth muscle cells have been proven critical in vascular calcification, the aetiology of cardiovascular calcification remains to be clarified due to the diversity of cellular origin. Fibroblasts, which possess remarkable phenotypic plasticity that allows rapid adaption to fluctuating environment cues, have been demonstrated to play important roles in calcification of vasculature, valve and heart though our knowledge of the mechanisms controlling fibroblast phenotypic switching in the calcified process is far from complete. Indeed, the lack of definitive fibroblast lineage‐tracing studies and typical expression markers of fibroblasts raise major concerns regarding the contributions of fibroblasts during all the stages of cardiovascular calcification. The goal of this review was to rigorously summarize the current knowledge regarding possible phenotypes exhibited by fibroblasts within calcified cardiovascular system and evaluate the potential therapeutic targets that may control the phenotypic transition of fibroblasts in cardiovascular calcification.
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Affiliation(s)
- Wudi Li
- Department of Cardiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Sheng-An Su
- Department of Cardiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jian Chen
- Department of Cardiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Hong Ma
- Department of Cardiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Meixiang Xiang
- Department of Cardiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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23
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Tsang HG, Clark EL, Markby GR, Bush SJ, Hume DA, Corcoran BM, MacRae VE, Summers KM. Expression of Calcification and Extracellular Matrix Genes in the Cardiovascular System of the Healthy Domestic Sheep ( Ovis aries). Front Genet 2020; 11:919. [PMID: 33101359 PMCID: PMC7506100 DOI: 10.3389/fgene.2020.00919] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 07/23/2020] [Indexed: 12/31/2022] Open
Abstract
The maintenance of a healthy cardiovascular system requires expression of genes that contribute to essential biological activities and repression of those that are associated with functions likely to be detrimental to cardiovascular homeostasis. Vascular calcification is a major disruption to cardiovascular homeostasis, where tissues of the cardiovascular system undergo ectopic calcification and consequent dysfunction, but little is known about the expression of calcification genes in the healthy cardiovascular system. Large animal models are of increasing importance in cardiovascular disease research as they demonstrate more similar cardiovascular features (in terms of anatomy, physiology and size) to humans than do rodent species. We used RNA sequencing results from the sheep, which has been utilized extensively to examine calcification of prosthetic cardiac valves, to explore the transcriptome of the heart and cardiac valves in this large animal, in particular looking at expression of calcification and extracellular matrix genes. We then examined genes implicated in the process of vascular calcification in a wide array of cardiovascular tissues and across multiple developmental stages, using RT-qPCR. Our results demonstrate that there is a balance between genes that promote and those that suppress mineralization during development and across cardiovascular tissues. We show extensive expression of genes encoding proteins involved in formation and maintenance of the extracellular matrix in cardiovascular tissues, and high expression of hematopoietic genes in the cardiac valves. Our analysis will support future research into the functions of implicated genes in the development of valve calcification, and increase the utility of the sheep as a large animal model for understanding ectopic calcification in cardiovascular disease. This study provides a foundation to explore the transcriptome of the developing cardiovascular system and is a valuable resource for the fields of mammalian genomics and cardiovascular research.
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Affiliation(s)
- Hiu-Gwen Tsang
- The Roslin Institute and R(D)SVS, The University of Edinburgh, Edinburgh, United Kingdom
| | - Emily L. Clark
- The Roslin Institute and R(D)SVS, The University of Edinburgh, Edinburgh, United Kingdom
| | - Greg R. Markby
- The Roslin Institute and R(D)SVS, The University of Edinburgh, Edinburgh, United Kingdom
| | - Stephen J. Bush
- The Roslin Institute and R(D)SVS, The University of Edinburgh, Edinburgh, United Kingdom
- Nuffield Department of Clinical Medicine, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom
| | - David A. Hume
- Mater Research Institute-University of Queensland, Translational Research Institute, Woolloongabba, QLD, Australia
| | - Brendan M. Corcoran
- The Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh, United Kingdom
| | - Vicky E. MacRae
- The Roslin Institute and R(D)SVS, The University of Edinburgh, Edinburgh, United Kingdom
| | - Kim M. Summers
- The Roslin Institute and R(D)SVS, The University of Edinburgh, Edinburgh, United Kingdom
- Mater Research Institute-University of Queensland, Translational Research Institute, Woolloongabba, QLD, Australia
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24
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Nakanishi T, Nanami M, Kuragano T. The pathogenesis of CKD complications; Attack of dysregulated iron and phosphate metabolism. Free Radic Biol Med 2020; 157:55-62. [PMID: 31978539 DOI: 10.1016/j.freeradbiomed.2020.01.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 01/07/2020] [Accepted: 01/20/2020] [Indexed: 01/17/2023]
Abstract
Chronic kidney disease (CKD) patients have a tremendously higher risk of developing cardiovascular disease (CVD) and infection than the non-CKD population, which could be caused by intertwining actions of hyperphosphatemia and CKD associated misdistribution of iron. CVD is often associated with vascular calcification, which has been attributed to hyperphosphatemia, and could be initiated in mitochondria, inducing apoptosis, and accelerated by reactive oxygen species (ROS). The production of ROS is principally linked to intracellular ferrous iron. For infection, the virulence and pathogenicity of a pathogen is directly related to its capacity to acquire iron for proliferation and to escape or subvert the host's immune response. Iron administration for renal anemia can sometimes be overdosed, which could decrease host immune mechanisms through its direct effect on neutrophils, macrophages and T cell function. Hyperphosphatemia has been demonstrated to be associated with an increased incidence of infection. We hypothesized two possible mechanisms: 1) fibroblast growth factor-23 levels are increased in parallel with serum phosphate levels and directly impair leukocyte recruitment and host defense mechanisms, and 2) circulating non-transferrin-bound iron (NTBI) is increased due to decreased iron binding capacity of the carrier protein transferrin in high-phosphate conditions. From these observations, maintaining an adequate serum range of phosphate levels and minimizing intracellular iron accumulation could attenuate the development of CKD complications.
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Affiliation(s)
- Takeshi Nakanishi
- Department of Nephrology, Sumiyoshigawa Hospital, Japan; Department of Internal Medicine, Division of Kidney and Dialysis, Hyogo College of Medicine, Japan.
| | - Masayoshi Nanami
- Department of Internal Medicine, Division of Kidney and Dialysis, Hyogo College of Medicine, Japan.
| | - Takahiro Kuragano
- Department of Internal Medicine, Division of Kidney and Dialysis, Hyogo College of Medicine, Japan.
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25
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Müller KH, Hayward R, Rajan R, Whitehead M, Cobb AM, Ahmad S, Sun M, Goldberga I, Li R, Bashtanova U, Puszkarska AM, Reid DG, Brooks RA, Skepper JN, Bordoloi J, Chow WY, Oschkinat H, Groombridge A, Scherman OA, Harrison JA, Verhulst A, D'Haese PC, Neven E, Needham LM, Lee SF, Shanahan CM, Duer MJ. Poly(ADP-Ribose) Links the DNA Damage Response and Biomineralization. Cell Rep 2020; 27:3124-3138.e13. [PMID: 31189100 PMCID: PMC6581741 DOI: 10.1016/j.celrep.2019.05.038] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 04/03/2019] [Accepted: 05/09/2019] [Indexed: 11/25/2022] Open
Abstract
Biomineralization of the extracellular matrix is an essential, regulated process. Inappropriate mineralization of bone and the vasculature has devastating effects on patient health, yet an integrated understanding of the chemical and cell biological processes that lead to mineral nucleation remains elusive. Here, we report that biomineralization of bone and the vasculature is associated with extracellular poly(ADP-ribose) synthesized by poly(ADP-ribose) polymerases in response to oxidative and/or DNA damage. We use ultrastructural methods to show poly(ADP-ribose) can form both calcified spherical particles, reminiscent of those found in vascular calcification, and biomimetically calcified collagen fibrils similar to bone. Importantly, inhibition of poly(ADP-ribose) biosynthesis in vitro and in vivo inhibits biomineralization, suggesting a therapeutic route for the treatment of vascular calcifications. We conclude that poly(ADP-ribose) plays a central chemical role in both pathological and physiological extracellular matrix calcification. Poly(ADP-ribose) is found close to ECM calcification in developing bone and arteries Poly(ADP-ribose) is produced in response to oxidative stress and delivered to the ECM Poly(ADP-ribose) forms dense liquid droplets with calcium ions Inhibiting PARP enzyme activity blocks calcification in vitro and in vivo
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Affiliation(s)
- Karin H Müller
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
| | - Robert Hayward
- BHF Centre of Research Excellence, Cardiovascular Division, James Black Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Rakesh Rajan
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
| | - Meredith Whitehead
- BHF Centre of Research Excellence, Cardiovascular Division, James Black Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Andrew M Cobb
- BHF Centre of Research Excellence, Cardiovascular Division, James Black Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Sadia Ahmad
- BHF Centre of Research Excellence, Cardiovascular Division, James Black Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Mengxi Sun
- BHF Centre of Research Excellence, Cardiovascular Division, James Black Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Ieva Goldberga
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
| | - Rui Li
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
| | - Uliana Bashtanova
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
| | - Anna M Puszkarska
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
| | - David G Reid
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
| | - Roger A Brooks
- Division of Trauma and Orthopaedic Surgery, University of Cambridge, Box 180, Addenbrooke's Hospital, Hills Road, Cambridge CB2 2QQ, UK
| | - Jeremy N Skepper
- Cambridge Advanced Imaging Centre, Department of Physiology, Development and Neurobiology, Downing Site, Tennis Court Road, Cambridge CB2 3DY, UK
| | - Jayanta Bordoloi
- BHF Centre of Research Excellence, Cardiovascular Division, James Black Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK
| | - Wing Ying Chow
- Leibniz Forschungsinstitut für Molekulare Pharmakologie (FMP) im Forschungsverbund Berlin e.V., Campus Berlin-Buch, Robert-Roessle-Str 10, 13125 Berlin, Germany
| | - Hartmut Oschkinat
- Leibniz Forschungsinstitut für Molekulare Pharmakologie (FMP) im Forschungsverbund Berlin e.V., Campus Berlin-Buch, Robert-Roessle-Str 10, 13125 Berlin, Germany
| | - Alex Groombridge
- Melville Laboratory for Polymer Synthesis, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
| | - Oren A Scherman
- Melville Laboratory for Polymer Synthesis, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
| | - James A Harrison
- Cycle Pharmaceuticals Ltd, Bailey Grundy Barrett Building, Little St. Mary's Lane, Cambridge CB2 1RR, UK
| | - Anja Verhulst
- Laboratory of Pathophysiology, Department of Biomedical Sciences, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - Patrick C D'Haese
- Laboratory of Pathophysiology, Department of Biomedical Sciences, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - Ellen Neven
- Laboratory of Pathophysiology, Department of Biomedical Sciences, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - Lisa-Maria Needham
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
| | - Steven F Lee
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
| | - Catherine M Shanahan
- BHF Centre of Research Excellence, Cardiovascular Division, James Black Centre, King's College London, 125 Coldharbour Lane, London SE5 9NU, UK.
| | - Melinda J Duer
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK.
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Pathophysiological and Genetic Aspects of Vascular Calcification. Cardiol Res Pract 2020; 2020:5169069. [PMID: 32411445 PMCID: PMC7201852 DOI: 10.1155/2020/5169069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 02/17/2020] [Accepted: 03/23/2020] [Indexed: 12/21/2022] Open
Abstract
Recent evidence suggests that vascular calcification is an independent cardiovascular risk factor (CRF) of morbidity and mortality. New studies point out the existence of a complex physiopathological mechanism that involves inflammation, oxidation, the release of chemical mediators, and genetic factors that promote the osteochondrogenic differentiation of vascular smooth muscle cells (VSMC). This review will evaluate the main mechanisms involved in the pathophysiology and genetics modulation of the process of vascular calcification. Objective. A systematic review of the pathophysiology factors involved in vascular calcification and its genetic influence was performed. Methods. A systematic review was conducted in the Medline and PubMed databases and were searched for studies concerning vascular calcification using the keywords and studies published until 2020/01 in English. Inclusion Criteria. Studies in vitro, animal models, and humans. These include cohort (both retrospective and prospective cohort studies), case-control, cross-sectional, and systematic reviews. Exclusion Criteria. Studies before 2003 of the existing literature.
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Lee SJ, Lee IK, Jeon JH. Vascular Calcification-New Insights Into Its Mechanism. Int J Mol Sci 2020; 21:ijms21082685. [PMID: 32294899 PMCID: PMC7216228 DOI: 10.3390/ijms21082685] [Citation(s) in RCA: 212] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 04/10/2020] [Accepted: 04/10/2020] [Indexed: 02/07/2023] Open
Abstract
Vascular calcification (VC), which is categorized by intimal and medial calcification, depending on the site(s) involved within the vessel, is closely related to cardiovascular disease. Specifically, medial calcification is prevalent in certain medical situations, including chronic kidney disease and diabetes. The past few decades have seen extensive research into VC, revealing that the mechanism of VC is not merely a consequence of a high-phosphorous and -calcium milieu, but also occurs via delicate and well-organized biologic processes, including an imbalance between osteochondrogenic signaling and anticalcific events. In addition to traditionally established osteogenic signaling, dysfunctional calcium homeostasis is prerequisite in the development of VC. Moreover, loss of defensive mechanisms, by microorganelle dysfunction, including hyper-fragmented mitochondria, mitochondrial oxidative stress, defective autophagy or mitophagy, and endoplasmic reticulum (ER) stress, may all contribute to VC. To facilitate the understanding of vascular calcification, across any number of bioscientific disciplines, we provide this review of a detailed updated molecular mechanism of VC. This encompasses a vascular smooth muscle phenotypic of osteogenic differentiation, and multiple signaling pathways of VC induction, including the roles of inflammation and cellular microorganelle genesis.
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Affiliation(s)
- Sun Joo Lee
- New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, Korea;
| | - In-Kyu Lee
- Leading-edge Research Center for Drug Discovery and Development for Diabetes and Metabolic Disease, Kyungpook National University Hospital, Daegu 41404, Korea;
- Department of Internal Medicine, School of Medicine, Kyungpook National University, Daegu 41944, Korea
| | - Jae-Han Jeon
- Leading-edge Research Center for Drug Discovery and Development for Diabetes and Metabolic Disease, Kyungpook National University Hospital, Daegu 41404, Korea;
- Department of Internal Medicine, School of Medicine, Kyungpook National University, Daegu 41944, Korea
- Correspondence: ; Tel.: +82-(53)-200-3182; Fax: +82-(53)-200-3155
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Chen Y, Zhao X, Wu H. Arterial Stiffness: A Focus on Vascular Calcification and Its Link to Bone Mineralization. Arterioscler Thromb Vasc Biol 2020; 40:1078-1093. [PMID: 32237904 DOI: 10.1161/atvbaha.120.313131] [Citation(s) in RCA: 98] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This review focuses on the association between vascular calcification and arterial stiffness, highlighting the important genetic factors, systemic and local microenvironmental signals, and underlying signaling pathways and molecular regulators of vascular calcification. Elevated oxidative stress appears to be a common procalcification factor that induces osteogenic differentiation and calcification of vascular cells in a variety of disease conditions such as atherosclerosis, diabetes mellitus, and chronic kidney disease. Thus, the role of oxidative stress and oxidative stress-regulated signals in vascular smooth muscle cells and their contributions to vascular calcification are highlighted. In relation to diabetes mellitus, the regulation of both hyperglycemia and increased protein glycosylation, by AGEs (advanced glycation end products) and O-linked β-N-acetylglucosamine modification, and its role in enhancing intracellular pathophysiological signaling that promotes osteogenic differentiation and calcification of vascular smooth muscle cells are discussed. In the context of chronic kidney disease, this review details the role of calcium and phosphate homeostasis, parathyroid hormone, and specific calcification inhibitors in regulating vascular calcification. In addition, the impact of the systemic and microenvironmental factors on respective intrinsic signaling pathways that promote osteogenic differentiation and calcification of vascular smooth muscle cells and osteoblasts are compared and contrasted, aiming to dissect the commonalities and distinctions that underlie the paradoxical vascular-bone mineralization disorders in aging and diseases.
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Affiliation(s)
- Yabing Chen
- From the Departments of Pathology (Y.C.), The University of Alabama at Birmingham.,Birmingham Veterans Affairs Medical Center, Research Department, AL (Y.C.)
| | - Xinyang Zhao
- Biochemistry (X.Z.), The University of Alabama at Birmingham
| | - Hui Wu
- Pediatric Dentistry (H.W.), The University of Alabama at Birmingham
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Moe SM. Current Issues in the Management of Secondary Hyperparathyroidism and Bone Disease. Perit Dial Int 2020. [DOI: 10.1177/089686080102103s43] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- Sharon M. Moe
- Indiana University School of Medicine, Indianapolis, Indiana, U.S.A
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30
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Abstract
The CANUSA study originally reported the importance of total small-solute clearance in predicting survival of peritoneal dialysis (PD) patients. However, subsequent reanalysis of data from the CANUSA study clearly demonstrated that the predictive power for mortality in PD patients was largely attributable to residual renal function (RRF) and not to the dose of PD. While this should not lead to the assumption that the dose of PD is unimportant, it does clearly indicate that the contribution of residual renal clearance and PD clearance to the overall survival of PD cannot be considered equivalent. In a previous study, we also demonstrated the importance of loss of RRF in predicting a heightened risk of mortality and cardiovascular death in PD patients. In this review, we focus our discussion on the different potential mechanisms that explain the important link between RRF and cardiovascular disease and survival of PD patients. We provide evidence to explain why RRF is so important to patients receiving long-term PD treatment and why it should be regarded as the “heart” of PD.
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Affiliation(s)
- Angela Yee-Moon Wang
- University Department of Medicine, Queen Mary Hospital, University of Hong Kong, Hong Kong, China
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31
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Si J, Wang C, Zhang D, Wang B, Hou W, Zhou Y. Osteopontin in Bone Metabolism and Bone Diseases. Med Sci Monit 2020; 26:e919159. [PMID: 31996665 PMCID: PMC7003659 DOI: 10.12659/msm.919159] [Citation(s) in RCA: 111] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Accepted: 11/04/2019] [Indexed: 12/20/2022] Open
Abstract
Osteopontin (OPN), a secreted phosphoprotein, is a member of the small integrin-binding ligand N-linked glycoprotein (SIBLING) family of cell matrix proteins and participates in many biological activities. Studies have shown that OPN plays a role in bone metabolism and homeostasis. OPN not only is an important factor in neuron-mediated and endocrine-regulated bone mass, but also is involved in biological activities such as proliferation, migration, and adhesion of several bone-related cells, including bone marrow mesenchymal stem cells, hematopoietic stem cells, osteoclasts, and osteoblasts. OPN has been demonstrated to be closely related to the occurrence and development of many bone-related diseases, such as osteoporosis, rheumatoid arthritis, and osteosarcoma. As expected, the functions of OPN in the bone have become a research hotspot. In this article, we try to decipher the mechanism of OPN-regulated bone metabolism and bone diseases.
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Affiliation(s)
- Jinyan Si
- Affiliated Hospital of Stomatology, Medical College, Zhejiang University, Hangzhou, Zhejiang, P.R. China
- Key Laboratory of Oral Biomedical Research of Zhejiang Province, Zhejiang University, Hangzhou, Zhejiang, P.R. China
| | - Chaowei Wang
- Affiliated Hospital of Stomatology, Medical College, Zhejiang University, Hangzhou, Zhejiang, P.R. China
- Key Laboratory of Oral Biomedical Research of Zhejiang Province, Zhejiang University, Hangzhou, Zhejiang, P.R. China
| | - Denghui Zhang
- Affiliated Hospital of Stomatology, Medical College, Zhejiang University, Hangzhou, Zhejiang, P.R. China
- Key Laboratory of Oral Biomedical Research of Zhejiang Province, Zhejiang University, Hangzhou, Zhejiang, P.R. China
| | - Bo Wang
- Shanxi Medical University, Taiyuan, Shanxi, P.R. China
| | - Weiwei Hou
- Affiliated Hospital of Stomatology, Medical College, Zhejiang University, Hangzhou, Zhejiang, P.R. China
- Key Laboratory of Oral Biomedical Research of Zhejiang Province, Zhejiang University, Hangzhou, Zhejiang, P.R. China
| | - Yi Zhou
- Affiliated Hospital of Stomatology, Medical College, Zhejiang University, Hangzhou, Zhejiang, P.R. China
- Key Laboratory of Oral Biomedical Research of Zhejiang Province, Zhejiang University, Hangzhou, Zhejiang, P.R. China
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Rogers MA, Aikawa E. Cardiovascular calcification: artificial intelligence and big data accelerate mechanistic discovery. Nat Rev Cardiol 2020; 16:261-274. [PMID: 30531869 DOI: 10.1038/s41569-018-0123-8] [Citation(s) in RCA: 102] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Cardiovascular calcification is a health disorder with increasing prevalence and high morbidity and mortality. The only available therapeutic options for calcific vascular and valvular heart disease are invasive transcatheter procedures or surgeries that do not fully address the wide spectrum of these conditions; therefore, an urgent need exists for medical options. Cardiovascular calcification is an active process, which provides a potential opportunity for effective therapeutic targeting. Numerous biological processes are involved in calcific disease, including matrix remodelling, transcriptional regulation, mitochondrial dysfunction, oxidative stress, calcium and phosphate signalling, endoplasmic reticulum stress, lipid and mineral metabolism, autophagy, inflammation, apoptosis, loss of mineralization inhibition, impaired mineral resorption, cellular senescence and extracellular vesicles that act as precursors of microcalcification. Advances in molecular imaging and big data technology, including in multiomics and network medicine, and the integration of these approaches are helping to provide a more comprehensive map of human disease. In this Review, we discuss ectopic calcification processes in the cardiovascular system, with an emphasis on emerging mechanistic knowledge obtained through patient data and advances in imaging methods, experimental models and multiomics-generated big data. We also highlight the potential and challenges of artificial intelligence, machine learning and deep learning to integrate imaging and mechanistic data for drug discovery.
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Affiliation(s)
- Maximillian A Rogers
- Center for Interdisciplinary Cardiovascular Sciences, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Elena Aikawa
- Center for Interdisciplinary Cardiovascular Sciences, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA. .,Center for Excellence in Vascular Biology, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
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Deutsch O, Bruehl F, Cleuziou J, Prinzing A, Schlitter AM, Krane M, Lange R. Histological examination of explanted tissue-engineered bovine pericardium following heart valve repair. Interact Cardiovasc Thorac Surg 2020; 30:64-73. [PMID: 31605480 DOI: 10.1093/icvts/ivz234] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 07/30/2019] [Accepted: 08/16/2019] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVES Our goal was to present histopathological findings of human explants of a tissue-engineered bovine pericardium CardioCel (Admedus Regen Pty Ltd, Malaga, WA, Australia) used for heart valve repair in patients with congenital and acquired heart valve disease. METHODS Sixty patients underwent heart valve repair from May 2014 to November 2018 using CardioCel as a substitute for valve tissue. We identified 9 cases in which the CardioCel patch was explanted following valve repair and available for histomorphological analyses. CardioCel explants were evaluated histologically using haematoxylin and oeosin, Elastica van Gieson and immunohistochemical stains. RESULTS The indications for explantation were related to the CardioCel patch in 6 patients. Median time between the implantation and explantation was 242 (range 3-1247) days. We demonstrated a characteristic remodelling pattern with superficial coating of the tissue-engineered bovine pericardium by granulation tissue composed of histiocytes, few lymphocytes and fibrin. We had 2 cases with a multifocal nodular disruption, fragmentation and sclerosis of the decellularized collagen matrix with focal calcification after 795 and 1247 days in situ. CONCLUSIONS Our data suggest that the tissue-engineered CardioCel patch is initially tolerated in the valvular position in the majority of patients. However, we also experienced graft failures that showed degeneration with fragmentation of the collagen matrix and even 2 cases with focal calcification evident from the histopathological analysis. Further analyses of mid- and long-term performance are mandatory.
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Affiliation(s)
- Oliver Deutsch
- Department of Cardiovascular Surgery, German Heart Centre Munich, Munich, Germany.,INSURE-Institute for Translational Cardiac Surgery, German Heart Centre Munich, Munich, Germany
| | - Frido Bruehl
- Institute for Pathology, Technical University Munich, Munich, Germany
| | - Julie Cleuziou
- INSURE-Institute for Translational Cardiac Surgery, German Heart Centre Munich, Munich, Germany.,Department of Congenital and Pediatric Heart Surgery, German Heart Centre Munich, Munich, Germany
| | - Anatol Prinzing
- Department of Cardiovascular Surgery, German Heart Centre Munich, Munich, Germany.,INSURE-Institute for Translational Cardiac Surgery, German Heart Centre Munich, Munich, Germany
| | | | - Markus Krane
- Department of Cardiovascular Surgery, German Heart Centre Munich, Munich, Germany.,INSURE-Institute for Translational Cardiac Surgery, German Heart Centre Munich, Munich, Germany
| | - Rüdiger Lange
- Department of Cardiovascular Surgery, German Heart Centre Munich, Munich, Germany.,INSURE-Institute for Translational Cardiac Surgery, German Heart Centre Munich, Munich, Germany
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35
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Lopera Higuita M, Griffiths LG. Small Diameter Xenogeneic Extracellular Matrix Scaffolds for Vascular Applications. TISSUE ENGINEERING PART B-REVIEWS 2019; 26:26-45. [PMID: 31663438 DOI: 10.1089/ten.teb.2019.0229] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Currently, despite the success of percutaneous coronary intervention (PCI), coronary artery bypass graft (CABG) remains among the most commonly performed cardiac surgical procedures in the United States. Unfortunately, the use of autologous grafts in CABG presents a major clinical challenge as complications due to autologous vessel harvest and limited vessel availability pose a significant setback in the success rate of CABG surgeries. Acellular extracellular matrix (ECM) scaffolds derived from xenogeneic vascular tissues have the potential to overcome these challenges, as they offer unlimited availability and sufficient length to serve as "off-the-shelf" CABGs. Unfortunately, regardless of numerous efforts to produce a fully functional small diameter xenogeneic ECM scaffold, the combination of factors required to overcome all failure mechanisms in a single graft remains elusive. This article covers the major failure mechanisms of current xenogeneic small diameter vessel ECM scaffolds, and reviews the recent advances in the field to overcome these failure mechanisms and ultimately develop a small diameter ECM xenogeneic scaffold for CABG. Impact Statement Currently, the use of autologous vessel in coronary artery bypass graft (CABG) is common practice. However, the use of autologous tissue poses significant complications due to tissue harvest and limited availability. Developing an alternative vessel for use in CABG can potentially increase the success rate of CABG surgery by eliminating complications related to the use of autologous vessel. However, this development has been hindered by an array of failure mechanisms that currently have not been overcome. This article describes the currently identified failure mechanisms of small diameter vascular xenogeneic extracellular matrix scaffolds and reviews current research targeted to overcoming these failure mechanisms toward ensuring long-term graft patency.
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Affiliation(s)
| | - Leigh G Griffiths
- Department of Cardiovascular Diseases, Mayo Clinic, Rochester, Minnesota
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36
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Zhang L, Dong Y, Xue Y, Shi J, Zhang X, Liu Y, Midgley AC, Wang S. Multifunctional Triple-Layered Composite Scaffolds Combining Platelet-Rich Fibrin Promote Bone Regeneration. ACS Biomater Sci Eng 2019; 5:6691-6702. [PMID: 33423487 DOI: 10.1021/acsbiomaterials.9b01022] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
There has been substantial progress made in the development of bone regeneration materials, driven by the deficiencies that exist in current clinical products, such as finite sources, donor site complications, and potential for disease transmission. To overcome these shortcomings, multifunctional scaffolds should be developed to integrate the relationship among osteoinduction, osteoconduction, and osseointegration. In this study, we fabricated polycaprolactone/gelatin (PG) nanofiber films by electrospinning, to act as barriers against connective tissue migration into bone defect sites; chitosan/poly (γ-glutamic acid)/hydroxyapatite (CPH) hydrogels were formed by electrostatic interaction and lyophilization, to exert osteoconduction; and platelet-rich fibrin (PRF) was extracted from rat abdominal aorta and combined with composite scaffolds, to promote bone induction through the release of growth factors. Hydrogels were immersed in simulated body fluid (SBF) for 1 month to investigate mineralization in vitro. Cytocompatibility, cell barrier effect, and osteogenic differentiation were also explored in vitro. The ability to effectively regenerate bone was analyzed by implantation of triple-layered composite scaffolds into rat calvarial defects in vivo. Size-matched hydrogel filled the defect site, and then, fresh PRF was applied to the hydrogel surface. Finally, P2G3 nanofiber films were applied and attached to the surrounding soft tissue. In short, we fabricated multifunctional triple-layered scaffolds by combining the advantages of osteoinduction, osteoconduction, and osseointegration, which could give full play to the role of PRF in bone regeneration and provide new and pragmatic concepts for bone tissue regeneration in clinical applications.
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Affiliation(s)
- Lin Zhang
- Key Laboratory of Bioactive Materials for Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Yunsheng Dong
- Key Laboratory of Bioactive Materials for Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Yueming Xue
- Key Laboratory of Bioactive Materials for Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Jie Shi
- Key Laboratory of Bioactive Materials for Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Xiangyun Zhang
- Key Laboratory of Bioactive Materials for Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Yufei Liu
- Key Laboratory of Bioactive Materials for Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Adam C Midgley
- Key Laboratory of Bioactive Materials for Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Shufang Wang
- Key Laboratory of Bioactive Materials for Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, China
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Chin DD, Wang J, Mel de Fontenay M, Plotkin A, Magee GA, Chung EJ. Hydroxyapatite-binding micelles for the detection of vascular calcification in atherosclerosis. J Mater Chem B 2019; 7:6449-6457. [PMID: 31553027 PMCID: PMC6812598 DOI: 10.1039/c9tb01918a] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Atherosclerosis is a chronic disease characterized by the formation of calcified, arterial plaques. Microcalcifications (5 μm to 100 μm), mainly composed of hydroxyapatite (HA, Ca5(PO4)3(OH)), develop in the fibrous caps of atherosclerotic plaques and can trigger plaque rupture due to the loss of compliance and elasticity. Ultimately, plaque rupture can cause arterial occlusion and embolization and result in ischemic events such as strokes and myocardial infarctions. Unfortunately, current imaging technologies used to detect calcifications are limited by low signal-to-noise ratio or use invasive procedures that pose risk of arterial dissection. To mitigate these drawbacks, in our study, we developed a novel, fluorescently-labeled peptide amphiphile micelle (PAM) that uses a 12 amino acid HA-binding peptide (HABP) [SVSVGMKPSPRP] to target and detect atherosclerotic calcification (HA PAM). Our results show HA PAMs can successfully target HA microcrystals with a strong binding affinity (KD = 6.26 ± 1.2 μM) in vitro. In addition, HA PAMs detected HA mineralization (HA PAM vs. non-targeting micelle, p≤ 0.001; HA PAM vs. scrambled HABP PAM, p≤ 0.01) formed by calcifying mouse aortic vascular smooth muscle cells (MOVAS). Moreover, HA PAMs successfully detected calcifications in atherosclerotic mouse models as well as in patient-derived arteries. Our studies show that HA PAMs show promise as calcium-targeting nanoparticles for the detection of calcifications in atherosclerosis.
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Affiliation(s)
- Deborah D Chin
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, USA.
| | - Jonathan Wang
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, USA.
| | - Margot Mel de Fontenay
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, USA.
| | - Anastasia Plotkin
- Department of Surgery, Division of Vascular Surgery and Endovascular Therapy, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Gregory A Magee
- Department of Surgery, Division of Vascular Surgery and Endovascular Therapy, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Eun Ji Chung
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, USA. and Department of Surgery, Division of Vascular Surgery and Endovascular Therapy, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA and Eli and Edythe Broad Center for Regenerative Medicine and Stem Cell Research, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA and Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA and Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, CA, USA and Department of Medicine, Division of Nephrology and Hypertension, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
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Disthabanchong S, Srisuwarn P. Mechanisms of Vascular Calcification in Kidney Disease. Adv Chronic Kidney Dis 2019; 26:417-426. [PMID: 31831120 DOI: 10.1053/j.ackd.2019.08.014] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 08/18/2019] [Accepted: 08/19/2019] [Indexed: 02/07/2023]
Abstract
The increase in prevalence and severity of vascular calcification in chronic kidney disease is a result of complex interactions between changes in the vascular bed, mineral metabolites, and other uremic factors. Vascular calcification can occur in the intima and the media of arterial wall. Under permissive conditions, vascular smooth muscle cells (VSMCs) can transform to osteoblast-like phenotype. The membrane-bound vesicles released from transformed VSMCs and the apoptotic bodies derived from dying VSMCs serve as nucleating structures for calcium crystal formation. Alterations in the quality and the quantity of endogenous calcification inhibitors also give rise to an environment that potentiates calcification.
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Affiliation(s)
- Sinee Disthabanchong
- Division of Nephrology, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.
| | - Praopilad Srisuwarn
- Division of Nephrology, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
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Stern C, Scharinger B, Tuerkcan A, Nebert C, Mimler T, Baranyi U, Doppler C, Aschacher T, Andreas M, Stelzmueller ME, Ehrlich M, Graf A, Laufer G, Bernhard D, Messner B. Strong Signs for a Weak Wall in Tricuspid Aortic Valve Associated Aneurysms and a Role for Osteopontin in Bicuspid Aortic Valve Associated Aneurysms. Int J Mol Sci 2019; 20:ijms20194782. [PMID: 31561491 PMCID: PMC6802355 DOI: 10.3390/ijms20194782] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 09/22/2019] [Indexed: 12/15/2022] Open
Abstract
Central processes in the pathogenesis of TAV- (tricuspid aortic valve) and BAV- (bicuspid aortic valve) associated ascending thoracic aortic aneurysm (ATAA) development are still unknown. To gain new insights, we have collected aortic tissue and isolated smooth muscle cells of aneurysmal tissue and subjected them to in situ and in vitro analyses. We analyzed aortic tissue from 78 patients (31 controls, 28 TAV-ATAAs, and 19 BAV-ATAAs) and established 30 primary smooth muscle cell cultures. Analyses included histochemistry, immuno-, auto-fluorescence-based image analyses, and cellular analyses including smooth muscle cell contraction studies. With regard to TAV associated aneurysms, we observed a strong impairment of the vascular wall, which appears on different levels—structure and dimension of the layers (reduced media thickness, increased intima thickness, atherosclerotic changes, degeneration of aortic media, decrease of collagen, and increase of elastic fiber free area) as well as on the cellular level (accumulation of fibroblasts/myofibroblasts, and increase in the number of smooth muscle cells with a reduced alpha smooth muscle actin (α-SM actin) content per cell). The pathological changes in the aortic wall of BAV patients were much less pronounced—apart from an increased expression of osteopontin (OPN) in the vascular wall which stem from smooth muscle cells, we observed a trend towards increased calcification of the aortic wall (increase significantly associated with age). These observations provide strong evidence for different pathological processes and different disease mechanisms to occur in BAV- and TAV-associated aneurysms.
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Affiliation(s)
- Christian Stern
- Cardiac Surgery Research Laboratory, Department of Cardiac Surgery, Medical University of Vienna, 1090 Vienna, Austria.
- Julius-Bernstein-Institute for Physiology, Medical Faculty of the Martin-Luther- University, 06112 Halle-Wittenberg, Germany.
| | - Bernhard Scharinger
- Cardiac Surgery Research Laboratory, Department of Cardiac Surgery, Medical University of Vienna, 1090 Vienna, Austria.
- Department of Radiology, Paracelsus Medical University Salzburg, 5020 Salzburg, Austria.
| | - Adrian Tuerkcan
- Cardiac Surgery Research Laboratory, Department of Cardiac Surgery, Medical University of Vienna, 1090 Vienna, Austria.
| | - Clemens Nebert
- Cardiac Surgery Research Laboratory, Department of Cardiac Surgery, Medical University of Vienna, 1090 Vienna, Austria.
| | - Teresa Mimler
- Cardiac Surgery Research Laboratory, Department of Cardiac Surgery, Medical University of Vienna, 1090 Vienna, Austria.
| | - Ulrike Baranyi
- Cardiac Surgery Research Laboratory, Department of Cardiac Surgery, Medical University of Vienna, 1090 Vienna, Austria.
| | - Christian Doppler
- Cardiac Surgery Research Laboratory, University Clinic for Cardiac Surgery, Medical University of Innsbruck, 6020 Innsbruck, Austria.
- Division for Pathophysiology, Institute of Physiology and Pathophysiology, Johannes Kepler University Linz, 4020 Linz, Austria.
| | - Thomas Aschacher
- Cardiac Surgery Research Laboratory, Department of Cardiac Surgery, Medical University of Vienna, 1090 Vienna, Austria.
- Department of Surgery, Cardiac Surgery, Medical University of Vienna, 1090 Vienna, Austria.
| | - Martin Andreas
- Department of Surgery, Cardiac Surgery, Medical University of Vienna, 1090 Vienna, Austria.
| | | | - Marek Ehrlich
- Department of Surgery, Cardiac Surgery, Medical University of Vienna, 1090 Vienna, Austria.
| | - Alexandra Graf
- Center for Medical Statistics, Informatics and Intelligent Systems, Medical University of Vienna, 1090 Vienna, Austria.
| | - Guenther Laufer
- Department of Surgery, Cardiac Surgery, Medical University of Vienna, 1090 Vienna, Austria.
| | - David Bernhard
- Cardiac Surgery Research Laboratory, University Clinic for Cardiac Surgery, Medical University of Innsbruck, 6020 Innsbruck, Austria.
- Division for Pathophysiology, Institute of Physiology and Pathophysiology, Johannes Kepler University Linz, 4020 Linz, Austria.
| | - Barbara Messner
- Cardiac Surgery Research Laboratory, Department of Cardiac Surgery, Medical University of Vienna, 1090 Vienna, Austria.
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Baugh L, Watson MC, Kemmerling EC, Hinds PW, Huggins GS, Black LD. Knockdown of CD44 expression decreases valve interstitial cell calcification in vitro. Am J Physiol Heart Circ Physiol 2019; 317:H26-H36. [PMID: 30951363 PMCID: PMC6692733 DOI: 10.1152/ajpheart.00123.2018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 04/02/2019] [Accepted: 04/02/2019] [Indexed: 12/23/2022]
Abstract
The lack of pharmaceutical targets available to treat patients with calcific aortic valve disease (CAVD) necessitates further research into the specific mechanisms of the disease. The significant changes that occur to the aortic valves extracellular matrix (ECM) during the progression of CAVD suggests that these proteins may play an important role in calcification. Exploring the relationship between valve interstitial cells (VICs) and the ECM may lead to a better understand of CAVD mechanisms and potential pharmaceutical targets. In this study, we look at the effect of two ECM components, collagen and hyaluronic acid (HA), on the mineralization of VICs within the context of a two-dimensional, polyacrylamide (PAAM) model system. Using a novel, nondestructive imaging technique, we were able to track calcific nodule development in culture systems over a 3-wk time frame. We saw a significant increase in the size of the nodules grown on HA PAAM gels as compared with collagen PAAM gels, suggesting that HA has a direct effect on mineralization. Directly looking at the two known receptors of HA, CD44 and receptor for HA-mediated motility (RHAMM), and using siRNA knockdown revealed that a decrease in CD44 expression resulted in a reduction of calcification. A decrease in CD44, through siRNA knockdown, reduces mineralization on HA PAAM gels, suggesting a potential new target for CAVD treatment. NEW & NOTEWORTHY Our in vitro model of calcific aortic valve disease shows an interaction between the hyaluronic acid binding protein CD44 with the osteogenic factor OPN as a potential mechanism of aortic valve calcification. Using siRNA knockdown of CD44, we show an upregulation of OPN expression with a decrease in overall mineralization.
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Affiliation(s)
- Lauren Baugh
- Department of Biomedical Engineering, Tufts University , Medford, Massachusetts
| | - Matthew C Watson
- Department of Biomedical Engineering, Tufts University , Medford, Massachusetts
- Department of Mechanical Engineering, Tufts University , Medford, Massachusetts
| | - Erica C Kemmerling
- Department of Mechanical Engineering, Tufts University , Medford, Massachusetts
| | - Philip W Hinds
- Cellular, Molecular, and Developmental Biology Program, Sackler School for Graduate Biomedical Sciences, Tufts University School of Medicine , Boston, Massachusetts
| | - Gordon S Huggins
- Molecular Cardiology Research Center, Tufts Medical Center and Tufts University Sackler School for Graduate Biomedical Sciences , Boston, Massachusetts
| | - Lauren D Black
- Department of Biomedical Engineering, Tufts University , Medford, Massachusetts
- Cellular, Molecular, and Developmental Biology Program, Sackler School for Graduate Biomedical Sciences, Tufts University School of Medicine , Boston, Massachusetts
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41
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Gomel MA, Lee R, Grande-Allen KJ. Comparing the Role of Mechanical Forces in Vascular and Valvular Calcification Progression. Front Cardiovasc Med 2019; 5:197. [PMID: 30687719 PMCID: PMC6335252 DOI: 10.3389/fcvm.2018.00197] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 12/20/2018] [Indexed: 01/07/2023] Open
Abstract
Calcification is a prevalent disease in most fully developed countries and is predominantly observed in heart valves and nearby vasculature. Calcification of either tissue leads to deterioration and, ultimately, failure causing poor quality of life and decreased overall life expectancy in patients. In valves, calcification presents as Calcific Aortic Valve Disease (CAVD), in which the aortic valve becomes stenotic when calcific nodules form within the leaflets. The initiation and progression of these calcific nodules is strongly influenced by the varied mechanical forces on the valve. In turn, the addition of calcific nodules creates localized disturbances in the tissue biomechanics, which affects extracellular matrix (ECM) production and cellular activation. In vasculature, atherosclerosis is the most common occurrence of calcification. Atherosclerosis exhibits as calcific plaque formation that forms in juxtaposition to areas of low blood shear stresses. Research in these two manifestations of calcification remain separated, although many similarities persist. Both diseases show that the endothelial layer and its regulation of nitric oxide is crucial to calcification progression. Further, there are similarities between vascular smooth muscle cells and valvular interstitial cells in terms of their roles in ECM overproduction. This review summarizes valvular and vascular tissue in terms of their basic anatomy, their cellular and ECM components and mechanical forces. Calcification is then examined in both tissues in terms of disease prediction, progression, and treatment. Highlighting the similarities and differences between these areas will help target further research toward disease treatment.
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42
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Sroga GE, Vashishth D. Phosphorylation of Extracellular Bone Matrix Proteins and Its Contribution to Bone Fragility. J Bone Miner Res 2018; 33:2214-2229. [PMID: 30001467 DOI: 10.1002/jbmr.3552] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 07/05/2018] [Accepted: 07/08/2018] [Indexed: 01/22/2023]
Abstract
Phosphorylation of bone matrix proteins is of fundamental importance to all vertebrates including humans. However, it is currently unknown whether increase or decline of total protein phosphorylation levels, particularly in hypophosphatemia-related osteoporosis, osteomalacia, and rickets, contribute to bone fracture. To address this gap, we combined biochemical measurements with mechanical evaluation of bone to discern fracture characteristics associated with age-related development of skeletal fragility in relation to total phosphorylation levels of bone matrix proteins and one of the key representatives of bone matrix phosphoproteins, osteopontin (OPN). Here for the first time, we report that as people age the total phosphorylation level declines by approximately 20% for bone matrix proteins and approximately 30% for OPN in the ninth decade of human life. Moreover, our results suggest that the decline of total protein phosphorylation of extracellular matrix (ECM) contributes to bone fragility, but less pronouncedly than glycation. We theorize that the separation of two sources of OPN negative charges, acidic backbone amino acids and phosphorylation, would be nature's means of assuring that OPN functions in both energy dissipation and biomineralization. We propose that total phosphorylation decline could be an important contributor to the development of osteoporosis, increased fracture risk and skeletal fragility. Targeting the enzymes kinase FamC20 and bone alkaline phosphatase involved in the regulation of matrix proteins' phosphorylation could be a means for the development of suitable therapeutic treatments. © 2018 American Society for Bone and Mineral Research.
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Affiliation(s)
- Grażyna E Sroga
- Department of Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA
| | - Deepak Vashishth
- Department of Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA
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43
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Tintut Y, Hsu JJ, Demer LL. Lipoproteins in Cardiovascular Calcification: Potential Targets and Challenges. Front Cardiovasc Med 2018; 5:172. [PMID: 30533416 PMCID: PMC6265366 DOI: 10.3389/fcvm.2018.00172] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Accepted: 11/08/2018] [Indexed: 12/16/2022] Open
Abstract
Previously considered a degenerative process, cardiovascular calcification is now established as an active process that is regulated in several ways by lipids, phospholipids, and lipoproteins. These compounds serve many of the same functions in vascular and valvular calcification as they do in skeletal bone calcification. Hyperlipidemia leads to accumulation of lipoproteins in the subendothelial space of cardiovascular tissues, which leads to formation of mildly oxidized phospholipids, which are known bioactive factors in vascular cell calcification. One lipoprotein of particular interest is Lp(a), which showed genome-wide significance for the presence of aortic valve calcification and stenosis. It carries an important enzyme, autotaxin, which produces lysophosphatidic acid (LPA), and thus has a key role in inflammation among other functions. Matrix vesicles, extruded from the plasma membrane of cells, are the sites of initiation of mineral formation. Phosphatidylserine, a phospholipid in the membranes of matrix vesicles, is believed to complex with calcium and phosphate ions, creating a nidus for hydroxyapatite crystal formation in cardiovascular as well as in skeletal bone mineralization. This review focuses on the contributions of lipids, phospholipids, lipoproteins, and autotaxin in cardiovascular calcification, and discusses possible therapeutic targets.
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Affiliation(s)
- Yin Tintut
- Department of Medicine, University of California, Los Angeles, Los Angeles, CA, United States.,Department of Physiology, University of California, Los Angeles, Los Angeles, CA, United States.,Department of Orthopaedic Surgery, University of California, Los Angeles, Los Angeles, CA, United States
| | - Jeffrey J Hsu
- Department of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Linda L Demer
- Department of Medicine, University of California, Los Angeles, Los Angeles, CA, United States.,Department of Physiology, University of California, Los Angeles, Los Angeles, CA, United States.,Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, United States
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44
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Trillhaase A, Haferkamp U, Rangnau A, Märtens M, Schmidt B, Trilck M, Seibler P, Aherrahrou R, Erdmann J, Aherrahrou Z. Differentiation of human iPSCs into VSMCs and generation of VSMC-derived calcifying vascular cells. Stem Cell Res 2018; 31:62-70. [PMID: 30029055 DOI: 10.1016/j.scr.2018.07.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 07/03/2018] [Accepted: 07/11/2018] [Indexed: 02/06/2023] Open
Abstract
Vascular calcification displays a major cause of death worldwide, which involve mainly vascular smooth muscle cells (VSMCs). Since 2007, there are increasing numbers of protocols to obtain different cell types from human induced-pluripotent stem cells (iPSCs), however a protocol for calcification is missing. Few protocols exist today for the differentiation of iPSCs towards VSMCs and none are known for their calcification. Here we present a protocol for the calcification of iPSC-derived VSMCs. We successfully differentiated iPSCs into VSMCs based on a modified protocol. Calcification in VSMCs is induced by a commercial StemXVivo™ osteogenic medium. Calcification was verified using Calcein and Alizarin Red S staining or Calcium assays, and molecular analyses showed enhanced expression of calcification-associated genes. The presented method could help to study genetic risk variants, using the CRISPR/Cas technology through the introduction of Knockouts or Knockins of risk variants. Finally, this method can be applied for drug screening.
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Affiliation(s)
- Anja Trillhaase
- Institute for Cardiogenetics, University of Luebeck, Germany; DZHK (German Centre for Cardiovascular Research), Partner Site Hamburg/Kiel/Luebeck, Germany; University Heart Centre Luebeck, 23562 Luebeck, Germany
| | - Undine Haferkamp
- Institute for Cardiogenetics, University of Luebeck, Germany; Fraunhofer Institute for Molecular Biology and Applied Ecology (IME), 22525Hamburg, Germany; DZHK (German Centre for Cardiovascular Research), Partner Site Hamburg/Kiel/Luebeck, Germany; University Heart Centre Luebeck, 23562 Luebeck, Germany
| | - Alexandra Rangnau
- Institute for Cardiogenetics, University of Luebeck, Germany; DZHK (German Centre for Cardiovascular Research), Partner Site Hamburg/Kiel/Luebeck, Germany; University Heart Centre Luebeck, 23562 Luebeck, Germany
| | - Marlon Märtens
- Institute for Cardiogenetics, University of Luebeck, Germany; DZHK (German Centre for Cardiovascular Research), Partner Site Hamburg/Kiel/Luebeck, Germany; University Heart Centre Luebeck, 23562 Luebeck, Germany
| | - Beatrice Schmidt
- Institute for Cardiogenetics, University of Luebeck, Germany; DZHK (German Centre for Cardiovascular Research), Partner Site Hamburg/Kiel/Luebeck, Germany; University Heart Centre Luebeck, 23562 Luebeck, Germany
| | - Michaela Trilck
- Institute for Neurogenetics, University of Luebeck, 23562 Luebeck, Germany
| | - Philip Seibler
- Institute for Neurogenetics, University of Luebeck, 23562 Luebeck, Germany
| | - Redouane Aherrahrou
- Institute for Cardiogenetics, University of Luebeck, Germany; Center for Public Health Genomics, Department of Biomedical Engineering, University of Virginia, Charlottesville, VA22908, USA; DZHK (German Centre for Cardiovascular Research), Partner Site Hamburg/Kiel/Luebeck, Germany; University Heart Centre Luebeck, 23562 Luebeck, Germany
| | - Jeanette Erdmann
- Institute for Cardiogenetics, University of Luebeck, Germany; DZHK (German Centre for Cardiovascular Research), Partner Site Hamburg/Kiel/Luebeck, Germany; University Heart Centre Luebeck, 23562 Luebeck, Germany
| | - Zouhair Aherrahrou
- Institute for Cardiogenetics, University of Luebeck, Germany; DZHK (German Centre for Cardiovascular Research), Partner Site Hamburg/Kiel/Luebeck, Germany; University Heart Centre Luebeck, 23562 Luebeck, Germany.
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45
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Liu X, Cao F, Liu S, Mi Y, Liu J. BMP2/Smad signaling pathway is involved in the inhibition function of fibroblast growth factor 21 on vascular calcification. Biochem Biophys Res Commun 2018; 503:930-937. [PMID: 29932916 DOI: 10.1016/j.bbrc.2018.06.098] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2018] [Accepted: 06/18/2018] [Indexed: 11/17/2022]
Abstract
Vascular calcification is extremely common and associated with major adverse cardiovascular events. Fibroblast growth factor (FGF) 21 has been identified as a potent metabolic regulator and a protector of the cardiovascular system. In this study, we aimed to investigate the effect of FGF21 on calcification of vascular smooth muscle cell (VSMC) and its mechanism. FGF21 inhibited beta-glycerophosphate (BGP) induced mineralization in VSMCs as determined by calcium concentration and Alizarin Red S. FGF21 suppressed BGP-induced BMP2/Smad signaling pathway components as well as osteoblast differentiation markers. FGF21 and Noggin could synergistically inhibit BGP-induced BMP2/Smad pathway expressions and calcification. Taken together, FGF21 inhibits vascular calcification in vitro by modulating BMP2/Smad signaling pathway.
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Affiliation(s)
- Xiaoxiao Liu
- Emergency & Critical Care Center, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, China
| | - Fangying Cao
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Shuang Liu
- Department of Pulmonary and Critical Care Medicine, Peking University International Hospital, Beijing, China
| | - Yuhong Mi
- Emergency & Critical Care Center, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, China
| | - Jinghua Liu
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, China.
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46
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Wang J, Zhou JJ, Robertson GR, Lee VW. Vitamin D in Vascular Calcification: A Double-Edged Sword? Nutrients 2018; 10:nu10050652. [PMID: 29786640 PMCID: PMC5986531 DOI: 10.3390/nu10050652] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Revised: 05/15/2018] [Accepted: 05/17/2018] [Indexed: 01/13/2023] Open
Abstract
Vascular calcification (VC) as a manifestation of perturbed mineral balance, is associated with aging, diabetes and kidney dysfunction, as well as poorer patient outcomes. Due to the current limited understanding of the pathophysiology of vascular calcification, the development of effective preventative and therapeutic strategies remains a significant clinical challenge. Recent evidence suggests that traditional risk factors for cardiovascular disease, such as left ventricular hypertrophy and dyslipidaemia, fail to account for clinical observations of vascular calcification. Therefore, more complex underlying processes involving physiochemical changes to mineral balance, vascular remodelling and perturbed hormonal responses such as parathyroid hormone (PTH) and fibroblast growth factor 23 (FGF-23) are likely to contribute to VC. In particular, VC resulting from modifications to calcium, phosphate and vitamin D homeostasis has been recently elucidated. Notably, deregulation of vitamin D metabolism, dietary calcium intake and renal mineral handling are associated with imbalances in systemic calcium and phosphate levels and endothelial cell dysfunction, which can modulate both bone and soft tissue calcification. This review addresses the current understanding of VC pathophysiology, with a focus on the pathogenic role of vitamin D that has provided new insights into the mechanisms of VC.
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Affiliation(s)
- Jeffrey Wang
- Centre for Transplantation and Renal Research, Westmead Institute of Medical Research, Westmead, NSW 2145, Australia.
| | - Jimmy J Zhou
- Centre for Transplantation and Renal Research, Westmead Institute of Medical Research, Westmead, NSW 2145, Australia.
- Centre for Kidney Research, Children's Hospital at Westmead, Westmead, NSW 2145, Australia.
| | | | - Vincent W Lee
- Centre for Transplantation and Renal Research, Westmead Institute of Medical Research, Westmead, NSW 2145, Australia.
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47
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Bottini M, Mebarek S, Anderson KL, Strzelecka-Kiliszek A, Bozycki L, Simão AMS, Bolean M, Ciancaglini P, Pikula JB, Pikula S, Magne D, Volkmann N, Hanein D, Millán JL, Buchet R. Matrix vesicles from chondrocytes and osteoblasts: Their biogenesis, properties, functions and biomimetic models. Biochim Biophys Acta Gen Subj 2018; 1862:532-546. [PMID: 29108957 PMCID: PMC5801150 DOI: 10.1016/j.bbagen.2017.11.005] [Citation(s) in RCA: 106] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 10/28/2017] [Accepted: 11/01/2017] [Indexed: 01/01/2023]
Abstract
BACKGROUND Matrix vesicles (MVs) are released from hypertrophic chondrocytes and from mature osteoblasts, the cells responsible for endochondral and membranous ossification. Under pathological conditions, they can also be released from cells of non-skeletal tissues such as vascular smooth muscle cells. MVs are extracellular vesicles of approximately 100-300nm diameter harboring the biochemical machinery needed to induce mineralization. SCOPE OF THE REVIEW The review comprehensively delineates our current knowledge of MV biology and highlights open questions aiming to stimulate further research. The review is constructed as a series of questions addressing issues of MVs ranging from their biogenesis and functions, to biomimetic models. It critically evaluates experimental data including their isolation and characterization methods, like lipidomics, proteomics, transmission electron microscopy, atomic force microscopy and proteoliposome models mimicking MVs. MAJOR CONCLUSIONS MVs have a relatively well-defined function as initiators of mineralization. They bind to collagen and their composition reflects the composition of lipid rafts. We call attention to the as yet unclear mechanisms leading to the biogenesis of MVs, and how minerals form and when they are formed. We discuss the prospects of employing upcoming experimental models to deepen our understanding of MV-mediated mineralization and mineralization disorders such as the use of reconstituted lipid vesicles, proteoliposomes and, native sample preparations and high-resolution technologies. GENERAL SIGNIFICANCE MVs have been extensively investigated owing to their roles in skeletal and ectopic mineralization. MVs serve as a model system for lipid raft structures, and for the mechanisms of genesis and release of extracellular vesicles.
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Affiliation(s)
- Massimo Bottini
- University of Rome Tor Vergata, Department of Experimental Medicine and Surgery, 00133 Roma, Italy; Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Saida Mebarek
- Universite Lyon 1, UFR Chimie Biochimie, 69 622 Villeurbanne Cedex, France; ICBMS UMR 5246 CNRS, 69 622 Villeurbanne Cedex, France; INSA, Lyon, 69 622 Villeurbanne Cedex, France; CPE, Lyon, 69 622 Villeurbanne Cedex, France; Universite de Lyon, 69 622 Villeurbanne Cedex, France
| | - Karen L Anderson
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Agnieszka Strzelecka-Kiliszek
- Nencki Institute of Experimental Biology, Department of Biochemistry, Polish Academy of Sciences, 02-093 Warsaw, Poland
| | - Lukasz Bozycki
- Nencki Institute of Experimental Biology, Department of Biochemistry, Polish Academy of Sciences, 02-093 Warsaw, Poland
| | - Ana Maria Sper Simão
- Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, USP, Departamento de Química, 14040-901 Ribeirão Preto, SP, Brazil
| | - Maytê Bolean
- Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, USP, Departamento de Química, 14040-901 Ribeirão Preto, SP, Brazil
| | - Pietro Ciancaglini
- Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, USP, Departamento de Química, 14040-901 Ribeirão Preto, SP, Brazil
| | - Joanna Bandorowicz Pikula
- Nencki Institute of Experimental Biology, Department of Biochemistry, Polish Academy of Sciences, 02-093 Warsaw, Poland
| | - Slawomir Pikula
- Nencki Institute of Experimental Biology, Department of Biochemistry, Polish Academy of Sciences, 02-093 Warsaw, Poland
| | - David Magne
- Universite Lyon 1, UFR Chimie Biochimie, 69 622 Villeurbanne Cedex, France; ICBMS UMR 5246 CNRS, 69 622 Villeurbanne Cedex, France; INSA, Lyon, 69 622 Villeurbanne Cedex, France; CPE, Lyon, 69 622 Villeurbanne Cedex, France; Universite de Lyon, 69 622 Villeurbanne Cedex, France
| | - Niels Volkmann
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Dorit Hanein
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - José Luis Millán
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Rene Buchet
- Universite Lyon 1, UFR Chimie Biochimie, 69 622 Villeurbanne Cedex, France; ICBMS UMR 5246 CNRS, 69 622 Villeurbanne Cedex, France; INSA, Lyon, 69 622 Villeurbanne Cedex, France; CPE, Lyon, 69 622 Villeurbanne Cedex, France; Universite de Lyon, 69 622 Villeurbanne Cedex, France.
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48
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Cazaña-Pérez V, Cidad P, Donate-Correa J, Martín-Núñez E, López-López JR, Pérez-García MT, Giraldez T, Navarro-González JF, Alvarez de la Rosa D. Phenotypic Modulation of Cultured Primary Human Aortic Vascular Smooth Muscle Cells by Uremic Serum. Front Physiol 2018; 9:89. [PMID: 29483881 PMCID: PMC5816230 DOI: 10.3389/fphys.2018.00089] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 01/26/2018] [Indexed: 12/16/2022] Open
Abstract
Patients with chronic kidney disease (CKD) have a markedly increased incidence of cardiovascular disease (CVD). The high concentration of circulating uremic toxins and alterations in mineral metabolism and hormone levels produce vascular wall remodeling and significant vascular damage. Medial calcification is an early vascular event in CKD patients and is associated to apoptosis or necrosis and trans-differentiation of vascular smooth muscle cells (VSMC) to an osteogenic phenotype. VSMC obtained from bovine or rat aorta and cultured in the presence of increased inorganic phosphate (Pi) have been extensively used to study these processes. In this study we used human aortic VSMC primary cultures to compare the effects of increased Pi to treatment with serum obtained from uremic patients. Uremic serum induced calcification, trans-differentiation and phenotypic remodeling even with normal Pi levels. In spite of similar calcification kinetics, there were fundamental differences in osteochondrogenic marker expression and alkaline phosphatase induction between Pi and uremic serum-treated cells. Moreover, high Pi induced a dramatic decrease in cell viability, while uremic serum preserved it. In summary, our data suggests that primary cultures of human VSMC treated with serum from uremic patients provides a more informative model for the study of vascular calcification secondary to CKD.
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Affiliation(s)
- Violeta Cazaña-Pérez
- Departamento de Ciencias Médicas Básicas (Fisiología), Instituto de Tecnologías Biomédicas and Centro de Investigaciones Biomédicas de Canarias, Universidad de La Laguna, Tenerife, Spain.,Unidad de Investigación, Hospital Universitario Nuestra Señora de Candelaria, Tenerife, Spain
| | - Pilar Cidad
- Departamento de Bioquímica y Biología Molecular y Fisiología e Instituto de Biología y Genética Molecular (IBGM), Universidad de Valladolid y Consejo Superior de Investigaciones Científicas (CSIC), Valladolid, Spain
| | - Javier Donate-Correa
- Unidad de Investigación, Hospital Universitario Nuestra Señora de Candelaria, Tenerife, Spain
| | - Ernesto Martín-Núñez
- Unidad de Investigación, Hospital Universitario Nuestra Señora de Candelaria, Tenerife, Spain
| | - José R López-López
- Departamento de Bioquímica y Biología Molecular y Fisiología e Instituto de Biología y Genética Molecular (IBGM), Universidad de Valladolid y Consejo Superior de Investigaciones Científicas (CSIC), Valladolid, Spain
| | - M Teresa Pérez-García
- Departamento de Bioquímica y Biología Molecular y Fisiología e Instituto de Biología y Genética Molecular (IBGM), Universidad de Valladolid y Consejo Superior de Investigaciones Científicas (CSIC), Valladolid, Spain
| | - Teresa Giraldez
- Departamento de Ciencias Médicas Básicas (Fisiología), Instituto de Tecnologías Biomédicas and Centro de Investigaciones Biomédicas de Canarias, Universidad de La Laguna, Tenerife, Spain
| | - Juan F Navarro-González
- Unidad de Investigación, Hospital Universitario Nuestra Señora de Candelaria, Tenerife, Spain
| | - Diego Alvarez de la Rosa
- Departamento de Ciencias Médicas Básicas (Fisiología), Instituto de Tecnologías Biomédicas and Centro de Investigaciones Biomédicas de Canarias, Universidad de La Laguna, Tenerife, Spain
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49
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Bozic M, Méndez-Barbero N, Gutiérrez-Muñoz C, Betriu A, Egido J, Fernández E, Martín-Ventura JL, Valdivielso JM, Blanco-Colio LM. Combination of biomarkers of vascular calcification and sTWEAK to predict cardiovascular events in chronic kidney disease. Atherosclerosis 2018; 270:13-20. [PMID: 29407881 DOI: 10.1016/j.atherosclerosis.2018.01.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 12/04/2017] [Accepted: 01/11/2018] [Indexed: 10/18/2022]
Abstract
BACKGROUND AND AIMS Vascular calcification (VC) and atherosclerosis are associated with an increased cardiovascular morbimortality in chronic kidney disease (CKD). Osteoprotegerin (OPG) and osteopontin (OPN) are involved in both VC and CKD. Soluble tumor necrosis factor-like weak inducer of apoptosis (sTWEAK) has been related to cardiovascular disease. We hypothesized that OPG, OPN and sTWEAK levels may be associated with a higher prevalence of cardiovascular outcomes in patients with CKD. METHODS The presence of calcified or non-calcified atherosclerotic plaques was assessed in 1043 stage 3 to 5D CKD patients from The NEFRONA Study. Biochemical measurements and OPG, OPN and sTWEAK serum levels were analyzed. Patients were followed for cardiovascular outcomes (41 ± 16 months). RESULTS At recruitment, 26% of CKD patients had VC. The adjusted odds ratios for having VC were 2.22 (1.32-3.75); p=.003 for OPG, and 0.45 (0.24-0.84); p=.01 for sTWEAK concentrations. After follow-up, 95 CV events occurred. In a Cox model, patients with OPG or OPN above and sTWEAK below their optimal cut-off points had an adjusted higher risk of cardiovascular events [HR: 2.10 (1.49-3.90); p=.02; 1.65 (1.02-2.65); p=.04; 2.05 (1.28-3.29), p=.003; respectively]. When CKD patients were grouped according to the number of biomarkers above (OPG and OPN) or below (sTWEAK) their cut-off points, the combination of these biomarkers showed the highest risk for cardiovascular events [HR: 9.46 (3.80-23.5) p < .001]. A composite score of these three biomarkers increased the C-statistic and net reclassification index beyond conventional risk factors and VC. CONCLUSIONS The combination of OPG, OPN and sTWEAK increased the predictability of cardiovascular outcomes.
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Affiliation(s)
- Milica Bozic
- Unit for Detection and Treatment of Atherothrombotic Diseases (UDETMA), Vascular and Renal Translational Research Group, IRBLLEIDA, Lleida, Spain; Spanish Network for Renal Research (RedInRen), Spain
| | - Nerea Méndez-Barbero
- Vascular Research Lab, FIIS-Fundación Jiménez Díaz, Autónoma University, Madrid, Spain
| | | | - Angels Betriu
- Unit for Detection and Treatment of Atherothrombotic Diseases (UDETMA), Vascular and Renal Translational Research Group, IRBLLEIDA, Lleida, Spain; Spanish Network for Renal Research (RedInRen), Spain
| | - Jesús Egido
- Vascular Research Lab, FIIS-Fundación Jiménez Díaz, Autónoma University, Madrid, Spain; Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), Spain
| | - Elvira Fernández
- Unit for Detection and Treatment of Atherothrombotic Diseases (UDETMA), Vascular and Renal Translational Research Group, IRBLLEIDA, Lleida, Spain; Spanish Network for Renal Research (RedInRen), Spain
| | - Jose L Martín-Ventura
- Vascular Research Lab, FIIS-Fundación Jiménez Díaz, Autónoma University, Madrid, Spain; Spanish Biomedical Research Centre in Cardiovascular Disease (CIBERCV), Spain
| | - Jose M Valdivielso
- Unit for Detection and Treatment of Atherothrombotic Diseases (UDETMA), Vascular and Renal Translational Research Group, IRBLLEIDA, Lleida, Spain; Spanish Network for Renal Research (RedInRen), Spain.
| | - Luis M Blanco-Colio
- Vascular Research Lab, FIIS-Fundación Jiménez Díaz, Autónoma University, Madrid, Spain; Spanish Biomedical Research Centre in Cardiovascular Disease (CIBERCV), Spain.
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Ulutas O, Taskapan MC, Dogan A, Baysal T, Taskapan H. Vascular calcification is not related to serum fetuin-A and osteopontin levels in hemodialysis patients. Int Urol Nephrol 2017; 50:137-142. [PMID: 29134617 DOI: 10.1007/s11255-017-1740-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2017] [Accepted: 11/06/2017] [Indexed: 01/13/2023]
Abstract
INTRODUCTION Vascular calcification (VC) in hemodialysis (HD) patients is a sign of severe cardiovascular disease and can predict cardiovascular outcomes. Fetuin-A and osteopontin (OPN) inhibit VC. Serum fetuin-A levels are lower in patients with end-stage kidney disease (ESKD) and in those who are on chronic HD therapy. However, there are limited data concerning OPN in patients who are on dialysis. The aim of our study was to determine VC in HD patients, the relationship between VC and 25-OH-vitamin D, fetuin-A, and OPN levels, and independent predictors of VC. MATERIALS AND METHODS Ninety-three patients with ESKD on HD therapy were recruited. Among these patients, 44 were male and 49 were female. The patient group was compared with a group of 20 healthy controls of similar age and sex. A plain radiograph of the hand was taken using a mammography machine for the evaluation of VC. Serum fetuin-A, OPN, and 25-OH-vitamin D levels of both patients and controls were measured. RESULTS VC was detected in 45 (48.4%) HD patients. When patients were compared with healthy controls, fetuin-A levels (p < 0.029) were significantly lower in patients, whereas OPN (p < 0.000) and VC (p < 0.002) were significantly higher in the patient group. Age [odds ratio (OR) 1.036], the presence of diabetes mellitus (DM) (OR 17.527), and high parathyroid hormone (PTH) levels (OR 1.002) were independent predictors of VC in a logistic regression model including the following factors: age, the presence of DM, HD duration, and serum albumin, phosphate, PTH, 25-OH-vitamin D, fetuin-A, OPN, and calcium levels. No significant correlation was found between patients with VC and patients without VC in terms of fetuin-A, OPN, and 25-OH-vitamin D levels. CONCLUSIONS VC is a frequent sign in patients undergoing HD and is not related to serum fetuin-A and osteopontin levels. Age, the presence of DM, and high PTH levels were independent predictors of VC in patients undergoing HD. Further studies are warranted to understand the mechanism underlying and the factors contributing to VC.
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Affiliation(s)
- O Ulutas
- Division of Nephrology, Malatya Education and Research Hospital, Malatya, Turkey.
| | - M C Taskapan
- Division of Biochemistry, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - A Dogan
- Division of Internal Medicine, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - T Baysal
- Division of Radiology, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - H Taskapan
- Division of Nephrology, Faculty of Medicine, Inonu University, Malatya, Turkey
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