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Ceccherini E, Cecchettini A, Gisone I, Persiani E, Morales MA, Vozzi F. Vascular Calcification: In Vitro Models under the Magnifying Glass. Biomedicines 2022; 10:biomedicines10102491. [PMID: 36289753 DOI: 10.3390/biomedicines10102491] [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] [Received: 09/02/2022] [Revised: 10/01/2022] [Accepted: 10/04/2022] [Indexed: 11/16/2022] Open
Abstract
Vascular calcification is a systemic disease contributing to cardiovascular morbidity and mortality. The pathophysiology of vascular calcification involves calcium salt deposition by vascular smooth muscle cells that exhibit an osteoblast-like phenotype. Multiple conditions drive the phenotypic switch and calcium deposition in the vascular wall; however, the exact molecular mechanisms and the connection between vascular smooth muscle cells and other cell types are not fully elucidated. In this hazy landscape, effective treatment options are lacking. Due to the pathophysiological complexity, several research models are available to evaluate different aspects of the calcification process. This review gives an overview of the in vitro cell models used so far to study the molecular processes underlying vascular calcification. In addition, relevant natural and synthetic compounds that exerted anticalcifying properties in in vitro systems are discussed.
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Affiliation(s)
- Elisa Ceccherini
- Institute of Clinical Physiology, National Research Council (CNR), 56124 Pisa, Italy
| | - Antonella Cecchettini
- Institute of Clinical Physiology, National Research Council (CNR), 56124 Pisa, Italy
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy
| | - Ilaria Gisone
- Institute of Clinical Physiology, National Research Council (CNR), 56124 Pisa, Italy
| | - Elisa Persiani
- Institute of Clinical Physiology, National Research Council (CNR), 56124 Pisa, Italy
| | - Maria Aurora Morales
- Institute of Clinical Physiology, National Research Council (CNR), 56124 Pisa, Italy
| | - Federico Vozzi
- Institute of Clinical Physiology, National Research Council (CNR), 56124 Pisa, Italy
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Abstract
Vascular calcification (VC) was defined as the ectopic deposition of calcium-phosphorus complexes on the blood vessel walls. It was a process involving multiple factors and mechanisms, covering the phenotype transition of vascular smooth muscle cells (VSMCs) and release of microvesicles. It was a common end-stage alteration of chronic diseases such as cardiovascular disease and chronic kidney disease. Increasing evidence indicates that mitochondria were involved in the development of VC. Mitochondria provided energy to cells, maintained the stability of cell functions, and participated in a variety of biological behavior. Oxidative stress, autophagy, apoptosis, and mitochondrial DNA (mtDNA) damage could affect the development of VSMCs calcification by alteration of mitochondrial function. This article reviewed the mechanism of calcification and the role of mitochondria in VC, aiming to raise a novel insight into drug development and clinical treatment.
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Research Models for Studying Vascular Calcification. Int J Mol Sci 2020; 21:ijms21062204. [PMID: 32210002 PMCID: PMC7139511 DOI: 10.3390/ijms21062204] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 03/17/2020] [Accepted: 03/18/2020] [Indexed: 12/14/2022] Open
Abstract
Calcification of the vessel wall contributes to high cardiovascular morbidity and mortality. Vascular calcification (VC) is a systemic disease with multifaceted contributing and inhibiting factors in an actively regulated process. The exact underlying mechanisms are not fully elucidated and reliable treatment options are lacking. Due to the complex pathophysiology, various research models exist evaluating different aspects of VC. This review aims to give an overview of the cell and animal models used so far to study the molecular processes of VC. Here, in vitro cell culture models of different origins, ex vivo settings using aortic tissue and various in vivo disease-induced animal models are summarized. They reflect different aspects and depict the (patho)physiologic mechanisms within the VC process.
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Mandatori D, Pipino C, Di Tomo P, Schiavone V, Ranieri A, Pantalone S, Di Silvestre S, Di Pietrantonio N, Ucci M, Palmerini C, Failli P, Di Pietro N, Pandolfi A. Osteogenic transdifferentiation of vascular smooth muscle cells isolated from spontaneously hypertensive rats and potential menaquinone-4 inhibiting effect. J Cell Physiol 2019; 234:19761-19773. [PMID: 30937905 DOI: 10.1002/jcp.28576] [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] [Received: 09/25/2018] [Revised: 02/27/2019] [Accepted: 03/06/2019] [Indexed: 01/07/2023]
Abstract
Vascular calcification (VC) is an active and cell-mediated process that shares many common features with osteogenesis. Knowledge demonstrates that in the presence of risk factors, such as hypertension, vascular smooth muscle cells (vSMCs) lose their contractile phenotype and transdifferentiate into osteoblastic-like cells, contributing to VC development. Recently, menaquinones (MKs), also known as Vitamin K2 family, has been revealed to play an important role in cardiovascular health by decreasing VC. However, the MKs' effects and mechanisms potentially involved in vSMCs osteoblastic transdifferentiation are still unknown. The aim of this study was to investigate the possible role of menaquinone-4 (MK-4), an isoform of MKs family, in the modulation of the vSMCs phenotype. To achieve this, vascular cells from spontaneously hypertensive rats (SHR) were used as an in vitro model of cell vascular dysfunction. vSMCs from Wistar Kyoto normotensive rats were used as control condition. The results showed that MK-4 preserves the contractile phenotype both in control and SHR-vSMCs through a γ-glutamyl carboxylase-dependent pathway, highlighting its capability to inhibit one of the mechanisms underlying VC process. Therefore, MK-4 may have an important role in the prevention of vascular dysfunction and atherosclerosis, encouraging further in-depth studies to confirm its use as a natural food supplement.
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Affiliation(s)
- Domitilla Mandatori
- Department of Medicine and Aging Sciences, University "G. d'Annunzio" of Chieti-Pescara, Centro Scienze dell'Invecchiamento e Medicina Traslazionale (Ce.S.I.-Me.T.), StemTeCh Group, Chieti, Italy
| | - Caterina Pipino
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" of Chieti-Pescara, Centro Scienze dell'Invecchiamento e Medicina Traslazionale (Ce.S.I.-Me.T.), StemTeCh Group, Chieti, Italy.,Department of Genetics and Epidemiology, Research Division, Joslin Diabetes Center, Harvard Medical School, Boston, Massachusetts
| | - Pamela Di Tomo
- Department of Medicine and Aging Sciences, University "G. d'Annunzio" of Chieti-Pescara, Centro Scienze dell'Invecchiamento e Medicina Traslazionale (Ce.S.I.-Me.T.), StemTeCh Group, Chieti, Italy
| | - Valeria Schiavone
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" of Chieti-Pescara, Centro Scienze dell'Invecchiamento e Medicina Traslazionale (Ce.S.I.-Me.T.), StemTeCh Group, Chieti, Italy
| | - Antonia Ranieri
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" of Chieti-Pescara, Centro Scienze dell'Invecchiamento e Medicina Traslazionale (Ce.S.I.-Me.T.), StemTeCh Group, Chieti, Italy
| | - Sara Pantalone
- Department of Engineering and Geology, University "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Sara Di Silvestre
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" of Chieti-Pescara, Centro Scienze dell'Invecchiamento e Medicina Traslazionale (Ce.S.I.-Me.T.), StemTeCh Group, Chieti, Italy
| | - Nadia Di Pietrantonio
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" of Chieti-Pescara, Centro Scienze dell'Invecchiamento e Medicina Traslazionale (Ce.S.I.-Me.T.), StemTeCh Group, Chieti, Italy
| | - Mariangela Ucci
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" of Chieti-Pescara, Centro Scienze dell'Invecchiamento e Medicina Traslazionale (Ce.S.I.-Me.T.), StemTeCh Group, Chieti, Italy
| | - Carola Palmerini
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" of Chieti-Pescara, Centro Scienze dell'Invecchiamento e Medicina Traslazionale (Ce.S.I.-Me.T.), StemTeCh Group, Chieti, Italy
| | - Paola Failli
- Department of Neurofarba, Pharmacology and Toxicology Unit, University of Florence, Florence, Italy
| | - Natalia Di Pietro
- Department of Medicine and Aging Sciences, University "G. d'Annunzio" of Chieti-Pescara, Centro Scienze dell'Invecchiamento e Medicina Traslazionale (Ce.S.I.-Me.T.), StemTeCh Group, Chieti, Italy
| | - Assunta Pandolfi
- Department of Medical, Oral and Biotechnological Sciences, University "G. d'Annunzio" of Chieti-Pescara, Centro Scienze dell'Invecchiamento e Medicina Traslazionale (Ce.S.I.-Me.T.), StemTeCh Group, Chieti, Italy
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Liu T, Lin J, Ju T, Chu L, Zhang L. Vascular smooth muscle cell differentiation to an osteogenic phenotype involves matrix metalloproteinase-2 modulation by homocysteine. Mol Cell Biochem 2015; 406:139-49. [DOI: 10.1007/s11010-015-2432-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Accepted: 05/05/2015] [Indexed: 11/29/2022]
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Ameer OZ, Salman IM, Avolio AP, Phillips JK, Butlin M. Opposing changes in thoracic and abdominal aortic biomechanical properties in rodent models of vascular calcification and hypertension. Am J Physiol Heart Circ Physiol 2014; 307:H143-51. [DOI: 10.1152/ajpheart.00139.2014] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
This study investigated the effects of hypertension on regional aortic biomechanical and structural properties in three rat models of vascular calcification: the hypertensive Lewis polycystic kidney (LPK; n = 13) model of chronic kidney disease, spontaneously hypertensive rats (SHRs; n = 12), and calcification in normotensive Lewis rats induced by vitamin D3 and nicotine (VDN; n = 8). Lewis and Wistar-Kyoto rats were controls. Thoracic and abdominal aortic stiffness parameters were assessed by tensile testing. In models where aortic stiffness differences compared with controls existed in both thoracic and abdominal segments, an additional cohort was quantified by histology for thoracic and abdominal aortic elastin, collagen, and calcification. LPK and VDN animals had higher thoracic breaking strain than control animals ( P < 0.01 and P < 0.05, respectively) and lower energy absorption within the tensile curve of the abdominal aorta ( P < 0.05). SHRs had a lower abdominal breaking stress than Wistar-Kyoto rats. LPK and VDN rats had more elastic lamellae fractures than control rats ( P < 0.001), which were associated with calcium deposition (thoracic R = 0.37, P = 0.048; abdominal: R = 0.40, P = 0.046). LPK rats had higher nuclear density than control rats ( P < 0.01), which was also evident in the thoracic but not abdominal aorta of VDN rats ( P < 0.01). In LPK and VDN rats, but not in control rats, media thickness and cross-sectional area were at least 1.5-fold greater in thoracic than abdominal regions. The calcification models chronic kidney disease and induced calcification in normotension caused differences in regional aortic stiffness not seen in a genetic form of hypertension. Detrimental abdominal aortic remodeling but lower stiffness in the thoracic aorta with disease indicates possible compensatory mechanisms in the proximal aorta.
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Affiliation(s)
- Omar Z. Ameer
- The Australian School of Advanced Medicine, Macquarie University, Sydney, New South Wales, Australia
| | - Ibrahim M. Salman
- The Australian School of Advanced Medicine, Macquarie University, Sydney, New South Wales, Australia
| | - Alberto P. Avolio
- The Australian School of Advanced Medicine, Macquarie University, Sydney, New South Wales, Australia
| | - Jacqueline K. Phillips
- The Australian School of Advanced Medicine, Macquarie University, Sydney, New South Wales, Australia
| | - Mark Butlin
- The Australian School of Advanced Medicine, Macquarie University, Sydney, New South Wales, Australia
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Hunter LW, Shiekh FA, Pisimisis GT, Kim SH, Edeh SN, Miller VM, Lieske JC. Key role of alkaline phosphatase in the development of human-derived nanoparticles in vitro. Acta Biomater 2011; 7:1339-45. [PMID: 21029794 DOI: 10.1016/j.actbio.2010.10.027] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2010] [Revised: 10/15/2010] [Accepted: 10/22/2010] [Indexed: 12/24/2022]
Abstract
Alkaline phosphatase (ALP) is an enzyme critical for physiological and pathological biomineralization. Experiments were designed to determine whether ALP participates in the formation of calcifying nanometer sized particles (NPs) in vitro. Filtered homogenates of human calcified carotid artery, aorta and kidney stones were inoculated into cell culture medium containing 10% fetal bovine serum in the absence or presence of inhibitors of ALP or pyrophosphate. A calcific NP biofilm developed within 1 week after inoculation and their development was reduced by pyrophosphate and inhibitors of ALP. ALP protein and enzymatic activity were detected in washed NPs, whether calcified or decalcified. Therefore, ALP activity is required for the formation of calcifying NPs in vitro, as has previously been implicated during pathological calcification in vivo.
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Affiliation(s)
- Larry W Hunter
- Department of Surgery, Mayo Clinic, Rochester, MN 55905, USA
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Seya K, Yu Z, Kanemaru K, Daitoku K, Akemoto Y, Shibuya H, Fukuda I, Okumura K, Motomura S, Furukawa KI. Contribution of bone morphogenetic protein-2 to aortic valve calcification in aged rat. J Pharmacol Sci 2010; 115:8-14. [PMID: 21157119 DOI: 10.1254/jphs.10198fp] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
Although aging is well established as an important risk factor for aortic stenosis, the mechanism of age-related aortic valve calcification is yet unknown. Here, we investigated this mechanism in tissue and cellular levels using middle-aged rats. Aortic valve specimens were obtained by dissecting from 9-week-old (young) and 30-week-old (aged) male Wistar rats. In the aged rats, the main risk factors for aortic stenosis in plasma were still in the normal range; however, their number of calcified specimens was significantly increased in comparison with the young rats. Aortic valve interstitial cells (AVICs) obtained from explants of aortic valve specimens were cultured for 14 days after reaching confluence. Spontaneous calcification, the expressions of calcigenic genes, that is, BMP-2, alkaline phosphatase (ALP), and osterix (osteogenic transcription factor) and ALP enzyme activity in AVICs from aged rats were enhanced in comparison with those from young rats. However, neither typical calcification inducing reagents (dexamethasone, β-glycerophosphate, and high concentration of phosphate) nor tumor necrosis factor-α (an inflammatory cytokine) accelerated the spontaneous calcification of AVICs from aged rats. These results suggest that aortic valve calcification progresses with age partly through an activation of the BMP-2 pathway.
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Affiliation(s)
- Kazuhiko Seya
- Department of Pharmacology, Hirosaki University Graduate School of Medicine, Japan
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Montezano AC, Zimmerman D, Yusuf H, Burger D, Chignalia AZ, Wadhera V, van Leeuwen FN, Touyz RM. Vascular smooth muscle cell differentiation to an osteogenic phenotype involves TRPM7 modulation by magnesium. Hypertension 2010; 56:453-62. [PMID: 20696983 DOI: 10.1161/hypertensionaha.110.152058] [Citation(s) in RCA: 164] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Arterial calcification, common in vascular diseases, involves vascular smooth muscle cell (VSMC) transformation to an osteoblast phenotype. Clinical studies suggest that magnesium may prevent this, but mechanisms are unclear. We assessed whether increasing magnesium levels reduce VSMC calcification and differentiation and questioned the role of the Mg(2+) transporter, transient receptor potential melastatin (TRPM)7 cation channels in this process. Rat VSMCs were exposed to calcification medium in the absence and presence of magnesium (2.0 to 3.0 mmol/L) or 2-aminoethoxy-diphenylborate (2-APB) (TRPM7 inhibitor). VSMCs from mice with genetically low (MgL) or high-normal (MgH) [Mg(2+)](i) were also studied. Calcification was assessed by von Kossa staining. Expression of osteocalcin, osteopontin, bone morphogenetic protein (BMP)-2, BMP-4, BMP-7, and matrix Gla protein and activity of TRPM7 (cytosol:membrane translocation) were determined by immunoblotting. Calcification medium induced osteogenic differentiation, reduced matrix Gla protein content, and increased expression of the sodium-dependent cotransporter Pit-1. Magnesium prevented calcification and decreased osteocalcin expression and BMP-2 activity and increased expression of calcification inhibitors, osteopontin and matrix Gla protein. TRPM 7 activation was decreased by calcification medium, an effect reversed by magnesium. 2-APB recapitulated the VSMC osteoblastic phenotype in VSMCs. Osteocalcin was increased by calcification medium in VSMCs and intact vessels from MgL but not MgH, whereas osteopontin was increased in MgH, but not in MgL mice. Magnesium negatively regulates vascular calcification and osteogenic differentiation through increased/restored TRPM7 activity and increased expression of anticalcification proteins, including osteopontin, BMP-7, and matrix Gla protein. New molecular insights are provided whereby magnesium could protect against VSMC calcification.
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Short-term exposure to low-carbohydrate, high-fat diets induces low bone mineral density and reduces bone formation in rats. J Bone Miner Res 2010; 25:275-84. [PMID: 19653818 DOI: 10.1359/jbmr.090813] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Low-carbohydrate, high-fat (LC-HF) diets are popular for inducing weight loss in adults and are also used as part of a treatment for children with epilepsy. However, potential risks and side effects remain controversial. We investigated effects of LC-HF diets on growth, bone mineral density (BMD), and turnover in growing rats fed for 4 weeks either normal chow (CH, 9% fat, 33% protein, and 58% carbohydrates), LC-HF-1 (66% fat, 33% protein, and 1% carbohydrates), or LC-HF-2 (94.5% fat, 4.2% protein, and 1.3% carbohydrates). Rats fed LC-HF diets accumulated significantly more visceral and bone marrow fat and showed increased leptin but decreased insulin-like growth-factor 1 (IGF-1). Both LC-HF diets significantly decreased body length (nose to rump), but lengths of humerus, tibia, and femur were significantly reduced with LC-HF-2 only. Peripheral quantitative computed tomography (pQCT) and micro-CT (microCT) independently revealed significant reductions in BMD of tibiae in both LC-HF groups, and tibial maximum load was impaired. Bone-formation marker N-terminal propeptide of type I procollagen was reduced in sera of LC-HF groups, whereas bone resorption marker CrossLaps remained unchanged. Real-time PCR analysis revealed significant reductions by 70% to 80% of transcription factors influencing osteoblastogenesis (Runx2, osterix, and C/EBPbeta) in bone marrow of rats fed LC-HF diets. In conclusion, both LC-HF diets impaired longitudinal growth, BMD, and mechanical properties, possibly mediated by reductions in circulating IGF-1. Serum bone-formation markers as well as expression of transcription factors influencing osteoblastogenesis were reduced. This might indicate a lower rate of mesenchymal stem cells differentiating into osteoblasts, thus explaining reduced bone formation with LC-HF diets.
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