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Zhang Y, Chen Q. Novel insights into osteocyte and inter-organ/tissue crosstalk. Front Endocrinol (Lausanne) 2024; 14:1308408. [PMID: 38685911 PMCID: PMC11057460 DOI: 10.3389/fendo.2023.1308408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 12/14/2023] [Indexed: 05/02/2024] Open
Abstract
Osteocyte, a cell type living within the mineralized bone matrix and connected to each other by means of numerous dendrites, appears to play a major role in body homeostasis. Benefiting from the maturation of osteocyte extraction and culture technique, many cross-sectional studies have been conducted as a subject of intense research in recent years, illustrating the osteocyte-organ/tissue communication not only mechanically but also biochemically. The present review comprehensively evaluates the new research work on the possible crosstalk between osteocyte and closely situated or remote vital organs/tissues. We aim to bring together recent key advances and discuss the mutual effect of osteocyte and brain, kidney, vascular calcification, muscle, liver, adipose tissue, and tumor metastasis and elucidate the therapeutic potential of osteocyte.
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Affiliation(s)
- Yan Zhang
- Department of Pediatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qingchang Chen
- Department of Ultrasound Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Clinical Research Center for Medical Imaging in Hubei Province, Wuhan, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, China
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2
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Shishkova D, Lobov A, Repkin E, Markova V, Markova Y, Sinitskaya A, Sinitsky M, Kondratiev E, Torgunakova E, Kutikhin A. Calciprotein Particles Induce Cellular Compartment-Specific Proteome Alterations in Human Arterial Endothelial Cells. J Cardiovasc Dev Dis 2023; 11:5. [PMID: 38248875 PMCID: PMC10816121 DOI: 10.3390/jcdd11010005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 01/23/2024] Open
Abstract
Calciprotein particles (CPPs) are indispensable scavengers of excessive Ca2+ and PO43- ions in blood, being internalised and recycled by liver and spleen macrophages, monocytes, and endothelial cells (ECs). Here, we performed a pathway enrichment analysis of cellular compartment-specific proteomes in primary human coronary artery ECs (HCAEC) and human internal thoracic artery ECs (HITAEC) treated with primary (amorphous) or secondary (crystalline) CPPs (CPP-P and CPPs, respectively). Exposure to CPP-P and CPP-S induced notable upregulation of: (1) cytokine- and chemokine-mediated signaling, Ca2+-dependent events, and apoptosis in cytosolic and nuclear proteomes; (2) H+ and Ca2+ transmembrane transport, generation of reactive oxygen species, mitochondrial outer membrane permeabilisation, and intrinsic apoptosis in the mitochondrial proteome; (3) oxidative, calcium, and endoplasmic reticulum (ER) stress, unfolded protein binding, and apoptosis in the ER proteome. In contrast, transcription, post-transcriptional regulation, translation, cell cycle, and cell-cell adhesion pathways were underrepresented in cytosol and nuclear compartments, whilst biosynthesis of amino acids, mitochondrial translation, fatty acid oxidation, pyruvate dehydrogenase activity, and energy generation were downregulated in the mitochondrial proteome of CPP-treated ECs. Differentially expressed organelle-specific pathways were coherent in HCAEC and HITAEC and between ECs treated with CPP-P or CPP-S. Proteomic analysis of mitochondrial and nuclear lysates from CPP-treated ECs confirmed bioinformatic filtration findings.
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Affiliation(s)
- Daria Shishkova
- Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, 6 Sosnovy Boulevard, 650002 Kemerovo, Russia; (D.S.); (V.M.); (Y.M.); (A.S.); (M.S.); (E.K.); (E.T.)
| | - Arseniy Lobov
- Laboratory of Regenerative Biomedicine, Institute of Cytology of the RAS, 4 Tikhoretskiy Prospekt, 194064 St. Petersburg, Russia;
| | - Egor Repkin
- Centre for Molecular and Cell Technologies, St. Petersburg State University, Universitetskaya Embankment, 7/9, 199034 St. Petersburg, Russia;
| | - Victoria Markova
- Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, 6 Sosnovy Boulevard, 650002 Kemerovo, Russia; (D.S.); (V.M.); (Y.M.); (A.S.); (M.S.); (E.K.); (E.T.)
| | - Yulia Markova
- Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, 6 Sosnovy Boulevard, 650002 Kemerovo, Russia; (D.S.); (V.M.); (Y.M.); (A.S.); (M.S.); (E.K.); (E.T.)
| | - Anna Sinitskaya
- Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, 6 Sosnovy Boulevard, 650002 Kemerovo, Russia; (D.S.); (V.M.); (Y.M.); (A.S.); (M.S.); (E.K.); (E.T.)
| | - Maxim Sinitsky
- Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, 6 Sosnovy Boulevard, 650002 Kemerovo, Russia; (D.S.); (V.M.); (Y.M.); (A.S.); (M.S.); (E.K.); (E.T.)
| | - Egor Kondratiev
- Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, 6 Sosnovy Boulevard, 650002 Kemerovo, Russia; (D.S.); (V.M.); (Y.M.); (A.S.); (M.S.); (E.K.); (E.T.)
| | - Evgenia Torgunakova
- Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, 6 Sosnovy Boulevard, 650002 Kemerovo, Russia; (D.S.); (V.M.); (Y.M.); (A.S.); (M.S.); (E.K.); (E.T.)
| | - Anton Kutikhin
- Department of Experimental Medicine, Research Institute for Complex Issues of Cardiovascular Diseases, 6 Sosnovy Boulevard, 650002 Kemerovo, Russia; (D.S.); (V.M.); (Y.M.); (A.S.); (M.S.); (E.K.); (E.T.)
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3
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Evenepoel P, Stenvinkel P, Shanahan C, Pacifici R. Inflammation and gut dysbiosis as drivers of CKD-MBD. Nat Rev Nephrol 2023; 19:646-657. [PMID: 37488276 DOI: 10.1038/s41581-023-00736-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/19/2023] [Indexed: 07/26/2023]
Abstract
Two decades ago, Kidney Disease: Improving Global Outcomes coined the term chronic kidney disease-mineral and bone disorder (CKD-MBD) to describe the syndrome of biochemical, bone and extra-skeletal calcification abnormalities that occur in patients with CKD. CKD-MBD is a prevalent complication and contributes to the excessively high burden of fractures and cardiovascular disease, loss of quality of life and premature mortality in patients with CKD. Thus far, therapy has focused primarily on phosphate retention, abnormal vitamin D metabolism and parathyroid hormone disturbances, but these strategies have largely proved unsuccessful, thus calling for paradigm-shifting concepts and innovative therapeutic approaches. Interorgan crosstalk is increasingly acknowledged to have an important role in health and disease. Accordingly, mounting evidence suggests a role for both the immune system and the gut microbiome in bone and vascular biology. Gut dysbiosis, compromised gut epithelial barrier and immune cell dysfunction are prominent features of the uraemic milieu. These alterations might contribute to the inflammatory state observed in CKD and could have a central role in the pathogenesis of CKD-MBD. The emerging fields of osteoimmunology and osteomicrobiology add another level of complexity to the pathogenesis of CKD-MBD, but also create novel therapeutic opportunities.
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Affiliation(s)
- Pieter Evenepoel
- Laboratory of Nephrology, Department of Microbiology, Immunology, and Transplantation, KU Leuven, Herestraat, Leuven, Belgium.
| | - Peter Stenvinkel
- Department of Renal Medicine M99, Karolinska University Hospital, Stockholm, Sweden
| | - Catherine Shanahan
- British Heart Foundation Centre of Excellence, School of Cardiovascular and Metabolic Medicine and Sciences, King's College London, London, UK
| | - Roberto Pacifici
- Division of Endocrinology, Metabolism and Lipids, Department of Medicine, Emory Microbiome Research Center, and Immunology and Molecular Pathogenesis Program, Emory University, Atlanta, GA, USA
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4
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Polan C, Brenner C, Herten M, Hilken G, Grabellus F, Meyer HL, Burggraf M, Dudda M, Jahnen-Dechent W, Wedemeyer C, Kauther MD. Increased UHMWPE Particle-Induced Osteolysis in Fetuin-A-Deficient Mice. J Funct Biomater 2023; 14:jfb14010030. [PMID: 36662077 PMCID: PMC9865936 DOI: 10.3390/jfb14010030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 12/30/2022] [Accepted: 12/31/2022] [Indexed: 01/06/2023] Open
Abstract
Particle-induced osteolysis is a major cause of aseptic prosthetic loosening. Implant wear particles stimulate tissue macrophages inducing an aseptic inflammatory reaction, which ultimately results in bone loss. Fetuin-A is a key regulator of calcified matrix metabolism and an acute phase protein. We studied the influence of fetuin-A on particle-induced osteolysis in an established mouse model using fetuin-A-deficient mice. Ten fetuin-A-deficient (Ahsg−/−) mice and ten wild-type animals (Ahsg+/+) were assigned to test group receiving ultra-high molecular weight polyethylene (UHMWPE) particle implantation or to control group (sham surgery). After 14 days, bone metabolism parameters RANKL, osteoprotegerin (OPG), osteocalcin (OC), alkaline phosphatase (ALP), calcium, phosphate, and desoxypyridinoline (DPD) were examined. Bone volume was determined by microcomputed tomography (μCT); osteolytic regions and osteoclasts were histomorphometrically analyzed. After particle treatment, bone resorption was significantly increased in Ahsg−/− mice compared with corresponding Ahsg+/+ wild-type mice (p = 0.007). Eroded surface areas in Ahsg−/− mice were significantly increased (p = 0.002) compared with Ahsg+/+ mice, as well as the number of osteoclasts compared with control (p = 0.039). Fetuin-A deficiency revealed increased OPG (p = 0.002), and decreased levels of DPD (p = 0.038), OC (p = 0.036), ALP (p < 0.001), and Ca (p = 0.001) compared with wild-type animals. Under osteolytic conditions in Ahsg−/− mice, OPG was increased (p = 0.013), ALP (p = 0.015) and DPD (p = 0.012) were decreased compared with the Ahsg+/+ group. Osteolytic conditions lead to greater bone loss in fetuin-A-deficient mice compared with wild-type mice. Reduced fetuin-A serum levels may be a risk factor for particle-induced osteolysis while the protective effect of fetuin-A might be a future pathway for prophylaxis and treatment.
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Affiliation(s)
- Christina Polan
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany
- Correspondence: ; Tel.: +49-201-723-1301
| | - Christina Brenner
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany
| | - Monika Herten
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany
| | - Gero Hilken
- Central Animal Laboratory, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany
| | - Florian Grabellus
- Institute of Pathology and Neuropathology, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany
| | - Heinz-Lothar Meyer
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany
| | - Manuel Burggraf
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany
| | - Marcel Dudda
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Essen, University Duisburg-Essen, 45147 Essen, Germany
| | - Willi Jahnen-Dechent
- Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | - Christian Wedemeyer
- Department of Orthopaedic Surgery, St. Barbara Hospital Gladbeck, 45964 Gladbeck, Germany
| | - Max Daniel Kauther
- Department of Trauma Surgery and Orthopedics, Pediatric Orthopedics, Agaplesion Diakonieklinikum Rotenburg (Wümme), 27356 Rotenburg, Germany
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Dzhanaev R, Hasberg C, Gorgels A, Schmitz C, Winkler CF, Malyaran H, Gräber S, Gentier A, Jaminon A, Agten S, Hackeng T, Akbulut AC, Schurgers L, Mottaghy FM, Goettsch C, Jahnen-Dechent W. Application of the mineral-binding protein fetuin-A for the detection of calcified lesions. Theranostics 2023; 13:659-672. [PMID: 36632229 PMCID: PMC9830449 DOI: 10.7150/thno.78773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 12/10/2022] [Indexed: 01/04/2023] Open
Abstract
Rationale: Calcium plays an essential role in the biology of vertebrates. Calcium content in body fluids is maintained within a narrow physiologic range by feedback control. Phosphate is equally important for metabolism and is likewise controlled, albeit over a wider range. This results in a nearly supersaturated state of calcium phosphate in body liquids driving mineral precipitation in soft tissues, which is actively prevented by calcification inhibitors. The hepatic plasma protein fetuin-A is a circulating mineralization inhibitor regulating calcium phosphate crystal growth and calcified matrix metabolism. Ectopic mineralization is associated with many pathological conditions aggravating their outcome. Current diagnostic methods lack sensitivity towards microcalcifications representing the initial stages of the process. Given the irreversibility of established calcifications, novel diagnostic tools capable of detecting nascent calcium phosphate deposits are highly desirable. Methods: We designed fluorescent fusion proteins consisting of fetuin-A coupled to a green or red fluorescent protein derivate, mEmerald or mRuby3, respectively. The proteins were expressed in mammalian cell lines. Sequence optimization resolved folding issues and increased sensitivity of mineral binding. Chimeric proteins were tested for their ability to detect calcifications in cell cultures and tissue sections retrieved from calcification-prone mice. Results: We employed novel genetically labeled fetuin-A-based fluorescent proteins for the detection of ectopic calcifications. We show that fetuin-A-based imaging agents are non-toxic and suitable for live imaging of microcalcifications beyond the detection limit of conventional staining techniques. The ability of fetuin-A to preferentially bind nascent calcium phosphate crystals allowed the resolution of histopathological detail of early kidney damage that went previously undetected. Endogenous expression of fetuin-A fluorescent fusion proteins allowed extended live imaging of calcifying cells with unprecedented sensitivity and specificity. Conclusion: Ectopic microcalcifications represent a major clinical concern lacking effective diagnostic and treatment options. In this paper, we describe novel highly sensitive fetuin-A-based fluorescent probes for imaging microcalcifications. We show that fusion proteins consisting of a fetuin-A mineral binding moiety and a fluorescent protein are superior to the routine methods for detecting calcifications. They also surpass in continuous live cell imaging the chemically fluorescence labeled fetuin-A, which we established previously.
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Affiliation(s)
- Robert Dzhanaev
- Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University Hospital, Aachen, Germany
| | - Christian Hasberg
- Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University Hospital, Aachen, Germany
| | - Andrea Gorgels
- Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University Hospital, Aachen, Germany
| | - Carlo Schmitz
- Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University Hospital, Aachen, Germany
| | | | - Hanna Malyaran
- Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University Hospital, Aachen, Germany.,IZKF - Interdisciplinary Center for Clinical Research, RWTH Aachen University Hospital, Aachen, Germany
| | - Steffen Gräber
- Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University Hospital, Aachen, Germany
| | - Anouk Gentier
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Armand Jaminon
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Stijn Agten
- IZKF - Interdisciplinary Center for Clinical Research, RWTH Aachen University Hospital, Aachen, Germany
| | - Tilman Hackeng
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Asim Cengiz Akbulut
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Leon Schurgers
- Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Felix Manuel Mottaghy
- Department of Nuclear Medicine, University Hospital Aachen, RWTH Aachen University, Aachen, Germany.,Department of Radiology and Nuclear Medicine, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Claudia Goettsch
- Department of Internal Medicine I, Cardiology, Medical Faculty, RWTH Aachen University Hospital, Aachen, Germany
| | - Willi Jahnen-Dechent
- Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University Hospital, Aachen, Germany.,✉ Corresponding author: E-mail:
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6
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Savic I, Farver C, Milovanovic P. Pathogenesis of Pulmonary Calcification and Homologies with Biomineralization in Other Tissues. THE AMERICAN JOURNAL OF PATHOLOGY 2022; 192:1496-1505. [PMID: 36030837 DOI: 10.1016/j.ajpath.2022.07.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 07/18/2022] [Accepted: 07/29/2022] [Indexed: 06/15/2023]
Abstract
Lungs often present tissue calcifications and even ossifications, both in the context of high or normal serum calcium levels. Precise mechanisms governing lung calcifications have not been explored. Herein, we emphasize recent advances about calcification processes in other tissues (especially vascular and bone calcifications) and discuss potential sources of calcium precipitates in the lungs, involvement of mineralization promoters and crystallization inhibitors, as well as specific cytokine milieu and cellular phenotypes characteristic for lung diseases, which may be involved in pulmonary calcifications. Further studies are necessary to demonstrate the exact mechanisms underlying calcifications in the lungs, document homologies in biomineralization processes between various tissues in physiological and pathologic conditions, and unravel any locally specific characteristics of mineralization processes that may be targeted to reduce or prevent functionally relevant lung calcifications without negatively affecting the skeleton.
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Affiliation(s)
- Ivana Savic
- Institute of Pathology, University of Belgrade Faculty of Medicine, Belgrade, Serbia
| | - Carol Farver
- Department of Pathology, Cleveland Clinic, Cleveland, Ohio
| | - Petar Milovanovic
- Laboratory of Bone Biology and Bioanthropology, Institute of Anatomy, University of Belgrade Faculty of Medicine, Belgrade, Serbia; Center of Bone Biology, University of Belgrade Faculty of Medicine, Belgrade, Serbia.
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Gelli R, Pucci V, Ridi F, Baglioni P. A study on biorelevant calciprotein particles: Effect of stabilizing agents on the formation and crystallization mechanisms. J Colloid Interface Sci 2022; 620:431-441. [DOI: 10.1016/j.jcis.2022.04.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 04/04/2022] [Accepted: 04/05/2022] [Indexed: 11/27/2022]
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8
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Reichert E, Mosiewicz J, Myśliński W, Jaroszyński A, Stanek A, Brożyna-Tkaczyk K, Madejska-Mosiewicz B. Level of Serum Fetuin-A Correlates with Heart Rate in Obstructive Sleep Apnea Patients without Metabolic and Cardiovascular Comorbidities. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19116422. [PMID: 35682006 PMCID: PMC9180227 DOI: 10.3390/ijerph19116422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 05/22/2022] [Accepted: 05/23/2022] [Indexed: 11/16/2022]
Abstract
Obstructive sleep apnea (OSA) is the most common type of sleep-induced breathing disorder in the adult population and significantly affects the condition of the cardiovascular system. Fetuin-A (Fet-A) is a hepato- and adipokine, which prevents vessel calcification, and its level correlates with atherogenesis and metabolic disorders. The associations of cardiovascular diseases (CVD) both with OSA, which increases CVD risk, and Fet-A, which prevents CVD, justify the question of their mutual interactions in patients with OSA. Therefore, we sought to analyze Fet-A as an early biomarker of CVD risk in OSA patients without metabolic and cardiovascular comorbidities except for properly controlled arterial hypertension. We have found that in these patients, OSA does not appear to directly affect Fet-A levels. However, high Fet-A levels were more common in the group of patients with OSA, and the hypopnea index was significantly higher among subjects with the highest Fet-A levels. The level of Fet-A in OSA patients positively correlates with pulse rate, and it does not correlate with pulse pressure in this group unlike in the control group, where such a relationship exists. To our best knowledge, this is the first study to analyze this relationship in OSA patients without any significant cardiovascular comorbidities.
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Affiliation(s)
- Elżbieta Reichert
- Individual Specialist Medical Practice, Włostowicka 293 C St., 24-100 Puławy, Poland;
| | - Jerzy Mosiewicz
- Department of Internal Diseases, Medical University of Lublin, Staszica 16 St., 20-081 Lublin, Poland; (J.M.); (W.M.)
| | - Wojciech Myśliński
- Department of Internal Diseases, Medical University of Lublin, Staszica 16 St., 20-081 Lublin, Poland; (J.M.); (W.M.)
| | - Andrzej Jaroszyński
- Collegium Medicum, Jan Kochanowski University in Kielce, 23-517 Kielce, Poland;
| | - Agata Stanek
- Department and Clinic of Internal Medicine, Angiology and Physical Medicine, Faculty of Medical Sciences in Zabrze, Medical University of Silesia, Batorego 15 St., 41-902 Bytom, Poland
- Correspondence:
| | - Klaudia Brożyna-Tkaczyk
- Department of Internal Diseases, 1st Public University Hospital No. 1 in Lublin, Staszica 16 St., 20-081 Lublin, Poland; (K.B.-T.); (B.M.-M.)
| | - Barbara Madejska-Mosiewicz
- Department of Internal Diseases, 1st Public University Hospital No. 1 in Lublin, Staszica 16 St., 20-081 Lublin, Poland; (K.B.-T.); (B.M.-M.)
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9
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Tiong MK, Cai MMX, Toussaint ND, Tan SJ, Pasch A, Smith ER. Effect of nutritional calcium and phosphate loading on calciprotein particle kinetics in adults with normal and impaired kidney function. Sci Rep 2022; 12:7358. [PMID: 35513558 PMCID: PMC9072391 DOI: 10.1038/s41598-022-11065-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 03/31/2022] [Indexed: 12/20/2022] Open
Abstract
Plasma approaches metastability with respect to its calcium and phosphate content, with only minor perturbations in ionic activity needed to sustain crystal growth once nucleated. Physiologically, calcium and phosphate are intermittently absorbed from the diet each day, yet plasma concentrations of these ions deviate minimally post-prandially. This implies the existence of a blood-borne mineral buffer system to sequester calcium phosphates and minimise the risk of deposition in the soft tissues. Calciprotein particles (CPP), endogenous mineral-protein colloids containing the plasma protein fetuin-A, may fulfill this function but definitive evidence linking dietary mineral loading with their formation is lacking. Here we demonstrate that CPP are formed as a normal physiological response to feeding in healthy adults and that this occurs despite minimal change in conventional serum mineral markers. Further, in individuals with Chronic Kidney Disease (CKD), in whom mineral handling is impaired, we show that both fasting and post-prandial levels of CPP precursors are markedly augmented and strongly inversely correlated with kidney function. This study highlights the important, but often neglected, contribution of colloidal biochemistry to mineral homeostasis and provides novel insight into the dysregulation of mineral metabolism in CKD.
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Affiliation(s)
- Mark K Tiong
- Department of Nephrology, The Royal Melbourne Hospital, Grattan Street, Parkville, VIC, 3052, Australia. .,Department of Medicine (RMH), University of Melbourne, Parkville, Australia.
| | - Michael M X Cai
- Department of Nephrology, The Royal Melbourne Hospital, Grattan Street, Parkville, VIC, 3052, Australia
| | - Nigel D Toussaint
- Department of Nephrology, The Royal Melbourne Hospital, Grattan Street, Parkville, VIC, 3052, Australia.,Department of Medicine (RMH), University of Melbourne, Parkville, Australia
| | - Sven-Jean Tan
- Department of Nephrology, The Royal Melbourne Hospital, Grattan Street, Parkville, VIC, 3052, Australia.,Department of Medicine (RMH), University of Melbourne, Parkville, Australia
| | - Andreas Pasch
- Calciscon AG, Biel, Switzerland.,Lindenhofspital Bern, Bern, Switzerland.,Department of Physiology and Pathophysiology, Johannes Kepler University, Linz, Austria
| | - Edward R Smith
- Department of Nephrology, The Royal Melbourne Hospital, Grattan Street, Parkville, VIC, 3052, Australia. .,Department of Medicine (RMH), University of Melbourne, Parkville, Australia.
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10
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Jacobs IJ, Cheng Z, Ralph D, O'Brien K, Flaman L, Howe J, Thompson D, Uitto J, Li Q, Sabbagh Y. INZ-701, a recombinant ENPP1 enzyme, prevents ectopic calcification in an Abcc6 -/- mouse model of pseudoxanthoma elasticum. Exp Dermatol 2022; 31:1095-1101. [PMID: 35511611 PMCID: PMC10077110 DOI: 10.1111/exd.14587] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/21/2022] [Accepted: 05/03/2022] [Indexed: 11/29/2022]
Abstract
Pseudoxanthoma elasticum (PXE), a heritable multisystem ectopic calcification disorder, is predominantly caused by inactivating mutations in ABCC6. The encoded protein, ABCC6, is a hepatic efflux transporter and a key regulator of extracellular inorganic pyrophosphate (PPi). Recent studies demonstrated that deficiency of plasma PPi, a potent endogenous calcification inhibitor, is the underlying cause of PXE. This study examined whether restoring plasma PPi levels by INZ-701, a recombinant human ENPP1 protein, the principal PPi-generating enzyme, prevents ectopic calcification in an Abcc6-/- mouse model of PXE. Abcc6-/- mice, at 6 weeks of age, the time of earliest stages of ectopic calcification, were injected subcutaneously with INZ-701 at 2 or 10 mg/kg for 2 or 8 weeks. INZ-701 at both doses increased steady-state plasma ENPP1 activity and PPi levels. In the 8-week treatment study, histopathologic examination and quantification of the calcium content in INZ-701-treated Abcc6-/- mice revealed significantly reduced calcification in the muzzle skin containing vibrissae, a biomarker of the calcification process in these mice. The extent of calcification corresponds to the local expression of two calcification inhibitors, osteopontin and fetuin-A. These results suggest that INZ-701 might provide a therapeutic approach for PXE, a disease with high unmet needs and no approved treatment.
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Affiliation(s)
- Ida Joely Jacobs
- Department of Dermatology and Cutaneous Biology, Sidney Kimmel Medical College, Jefferson Institute of Molecular Medicine, Thomas Jefferson University, Philadelphia, 19107, PA, USA.,PXE International Center of Excellence in Research and Clinical Care, Thomas Jefferson University, Philadelphia, 19107, PA, USA
| | | | - Douglas Ralph
- Department of Dermatology and Cutaneous Biology, Sidney Kimmel Medical College, Jefferson Institute of Molecular Medicine, Thomas Jefferson University, Philadelphia, 19107, PA, USA.,PXE International Center of Excellence in Research and Clinical Care, Thomas Jefferson University, Philadelphia, 19107, PA, USA.,Genetics, Genomics and Cancer Biology Ph.D. Program, Jefferson College of Life Sciences, Thomas Jefferson University, Philadelphia, 19107, PA, USA
| | | | | | | | | | - Jouni Uitto
- Department of Dermatology and Cutaneous Biology, Sidney Kimmel Medical College, Jefferson Institute of Molecular Medicine, Thomas Jefferson University, Philadelphia, 19107, PA, USA.,PXE International Center of Excellence in Research and Clinical Care, Thomas Jefferson University, Philadelphia, 19107, PA, USA
| | - Qiaoli Li
- Department of Dermatology and Cutaneous Biology, Sidney Kimmel Medical College, Jefferson Institute of Molecular Medicine, Thomas Jefferson University, Philadelphia, 19107, PA, USA.,PXE International Center of Excellence in Research and Clinical Care, Thomas Jefferson University, Philadelphia, 19107, PA, USA
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11
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Rudloff S, Jahnen-Dechent W, Huynh-Do U. Tissue chaperoning—the expanded functions of fetuin-A beyond inhibition of systemic calcification. Pflugers Arch 2022; 474:949-962. [PMID: 35403906 PMCID: PMC8995415 DOI: 10.1007/s00424-022-02688-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/29/2022] [Accepted: 03/31/2022] [Indexed: 02/06/2023]
Abstract
AbstractTraditionally, fetuin-A embodies the prototype anti-calcification protein in the blood, preventing cardiovascular calcification. Low serum fetuin-A is generally associated with mineralization dysbalance and enhanced mortality in end stage renal disease. Recent evidence indicates that fetuin-A is a crucial factor moderating tissue inflammation and fibrosis, as well as a systemic indicator of acute inflammatory disease. Here, the expanded function of fetuin-A is discussed in the context of mineralization and inflammation biology. Unbalanced depletion of fetuin-A in this context may be the critical event, triggering a vicious cycle of progressive calcification, inflammation, and tissue injury. Hence, we designate fetuin-A as tissue chaperone and propose the potential use of exogenous fetuin-A as prophylactic agent or emergency treatment in conditions that are associated with acute depletion of endogenous protein.
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Affiliation(s)
- Stefan Rudloff
- Department of Nephrology and Hypertension, Bern University Hospital, Freiburgstrasse 15, 3010, Bern, Switzerland
- Department of Biomedical Research, University of Bern, Freiburgstrasse 15, 3010, Bern, Switzerland
| | - Willi Jahnen-Dechent
- Helmholtz-Institute for Biomedical Engineering, Biointerface Laboratory, RWTH Aachen, University Medical Faculty, Pauwelsstrasse 30, 52074, Aachen, Germany
| | - Uyen Huynh-Do
- Department of Nephrology and Hypertension, Bern University Hospital, Freiburgstrasse 15, 3010, Bern, Switzerland.
- Department of Biomedical Research, University of Bern, Freiburgstrasse 15, 3010, Bern, Switzerland.
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12
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Cardiac Calcifications: Phenotypes, Mechanisms, Clinical and Prognostic Implications. BIOLOGY 2022; 11:biology11030414. [PMID: 35336788 PMCID: PMC8945469 DOI: 10.3390/biology11030414] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 02/21/2022] [Accepted: 03/07/2022] [Indexed: 12/20/2022]
Abstract
There is a growing interest in arterial and heart valve calcifications, as these contribute to cardiovascular outcome, and are leading predictors of cardiovascular and kidney diseases. Cardiovascular calcifications are often considered as one disease, but, in effect, they represent multifaced disorders, occurring in different milieus and biological phenotypes, following different pathways. Herein, we explore each different molecular process, its relative link with the specific clinical condition, and the current therapeutic approaches to counteract calcifications. Thus, first, we explore the peculiarities between vascular and valvular calcium deposition, as this occurs in different tissues, responds differently to shear stress, has specific etiology and time courses to calcification. Then, we differentiate the mechanisms and pathways leading to hyperphosphatemic calcification, typical of the media layer of the vessel and mainly related to chronic kidney diseases, to those of inflammation, typical of the intima vascular calcification, which predominantly occur in atherosclerotic vascular diseases. Finally, we examine calcifications secondary to rheumatic valve disease or other bacterial lesions and those occurring in autoimmune diseases. The underlying clinical conditions of each of the biological calcification phenotypes and the specific opportunities of therapeutic intervention are also considered and discussed.
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13
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Tiong MK, Smith ER, Pascoe EM, Elder GJ, Lioufas NM, Pedagogos E, Hawley CM, Valks A, Holt SG, Hewitson TD, Toussaint ND. Effect of lanthanum carbonate on serum calciprotein particles in patients with stage 3-4 CKD-results from a placebo-controlled randomized trial. Nephrol Dial Transplant 2022; 38:344-351. [PMID: 35212735 PMCID: PMC9923701 DOI: 10.1093/ndt/gfac043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Calciprotein particles (CPP) are colloidal aggregates of calcium phosphate and the mineral-binding protein fetuin-A, and are potential mediators of cardiovascular disease in chronic kidney disease (CKD). Emerging evidence suggests non-calcium-containing phosphate binders may reduce serum CPP in patients with kidney failure who require dialysis; however, it is unclear whether similar interventions are effective in patients with earlier stages of CKD. METHODS The IMpact of Phosphate Reduction On Vascular End-points in CKD (IMPROVE-CKD) was a multi-centre, placebo-controlled, randomized trial of lanthanum carbonate on cardiovascular markers in 278 participants with stage 3b/4 CKD. In this pre-specified exploratory analysis, primary (CPP-I) and secondary CPP (CPP-II) were measured in a sub-cohort of participants over 96 weeks. Treatment groups were compared using linear mixed-effects models and the relationship between serum CPP and pulse wave velocity (PWV) and abdominal aortic calcification (AAC) was examined. RESULTS A total of 253 participants had CPP data for baseline and at least one follow-up timepoint and were included in this analysis. The mean age was 62.4 ± 12.6 years, 32.0% were female and the mean estimated glomerular filtration rate (eGFR) was 26.6 ± 8.3 mL/min/1.73 m2. Baseline median serum CPP-I was 14.9 × 104 particles/mL [interquartile range (IQR) 4.6-49.3] and median CPP-II was 3.3 × 103 particles/mL (IQR 1.4-5.4). There was no significant difference between treatment groups at 96 weeks in CPP-I [22.8% (95% confidence interval -39.2, 36.4), P = 0.65] or CPP-II [-18.3% (95% confidence interval -40.0, 11.2), P = 0.20] compared with a placebo. Serum CPP were not correlated with baseline PWV or AAC, or with the progression of either marker. CONCLUSIONS Lanthanum carbonate was not associated with a reduction of CPP at 96 weeks when compared with a placebo in a CKD cohort.
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Affiliation(s)
| | - Edward R Smith
- Department of Nephrology, The Royal Melbourne Hospital, Parkville, Australia,Department of Medicine (RMH), University of Melbourne, Parkville, Australia
| | - Elaine M Pascoe
- Australasian Kidney Trials Network, The University of Queensland, Brisbane, Australia
| | - Grahame J Elder
- University of Notre Dame, Sydney, Australia,University of Sydney, Sydney, Australia,Osteoporosis and Bone Biology Division, Garvan Institute of Medical Research, Darlinghurst, Australia,Department of Nephrology, Westmead Hospital, Sydney, Australia
| | - Nicole M Lioufas
- Department of Nephrology, The Royal Melbourne Hospital, Parkville, Australia,Department of Medicine (RMH), University of Melbourne, Parkville, Australia,Department of Nephrology, Western Health, Sunshine, Australia
| | | | - Carmel M Hawley
- Australasian Kidney Trials Network, The University of Queensland, Brisbane, Australia,Department of Nephrology, Princess Alexandra Hospital, Brisbane, Australia,Translational Research Institute, Brisbane, Queensland, Australia
| | - Andrea Valks
- Australasian Kidney Trials Network, The University of Queensland, Brisbane, Australia
| | - Stephen G Holt
- Department of Nephrology, The Royal Melbourne Hospital, Parkville, Australia,Department of Medicine (RMH), University of Melbourne, Parkville, Australia,SEHA Kidney Care, Abu Dhabi Health Services Company, Abu Dhabi, United Arab Emirates,Khalifa University, Abu Dhabi, United Arab Emirates
| | - Tim D Hewitson
- Department of Nephrology, The Royal Melbourne Hospital, Parkville, Australia,Department of Medicine (RMH), University of Melbourne, Parkville, Australia
| | - Nigel D Toussaint
- Department of Nephrology, The Royal Melbourne Hospital, Parkville, Australia,Department of Medicine (RMH), University of Melbourne, Parkville, Australia
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14
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Karadeniz H, Güler AA, Koca G, Salman RB, Satış H, Ataş N, Babaoğlu H, Paşaoğlu H, Küçük H, Tufan A, Öztürk MA, Göker B, Haznedaroğlu Ş. Serum levels of fetuin-A as a novel biomarker for disease activity in patients with Takayasu arteritis and granulomatous polyangiitis. Clin Rheumatol 2022; 41:1169-1176. [PMID: 35013833 DOI: 10.1007/s10067-021-06020-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/13/2021] [Accepted: 12/05/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVE The aim of the present study was to investigate serum fetuin-A (Fet-A) levels in patients with Takayasu arteritis (TA) and granulomatous polyangiitis (GPA) and to analyze the relationship between serum Fet-A levels and disease activity scores. METHOD Thirty-two TA and 28 GPA patients presented to the rheumatology clinic at Gazi University and met the criteria of American College of Rheumatology 1990 and 2012 International Chapell Hill meeting, respectively, and 20 healthy control subjects were included in the present study. We collected data on serum C-reactive protein (CRP), albumin, calcium, and phosphate levels as well as erythrocyte sedimentation rates. Calcification risk index (CRI) was calculated for each patient. The Birmingham Vasculitis Activity Score (BVAS) and Indian Takayasu Clinical Activity Score (ITAS), were used to assess disease activity in GPA and TA patients respectively. RESULTS Serum Fet-A levels were significantly lower in the overall vasculitis group compared to control group (p = 0.015). In subgroup analysis, Fet-A levels were significantly lower in those with active disease, compared to control group (p = 0.001, for active TA (n = 18) and GPA (n = 17), respectively). However, there was no significant difference in serum Fet-A levels in inactive cases versus control subjects (p = 0.061, for inactive TA (n = 14) and GPA (n = 11), respectively). Serum Fet-A levels negatively correlated with BVAS (r = - 0.675) and ITAS scores (r = - 0.385), as well as with CRP and CRI. CONCLUSION Our results suggest that serum Fet-A level could be a novel biomarker for assessment of activity status in patients with GPA or TA. Key Points • Serum Fetuin-A is negative acute phase protein and systemic calcification inhibitor synthesized in hepatocytes and secreted by various inflammation. • Serum Fetuin-A was negatively correlated with CRP, BVAS, and ITAS scores and significantly decreased in vasculitis patients with high disease activity. • Serum Fetuin-A could be a promising and useful biomarker for the assessment of disease activity for vasculitis, also that it might also be a predictor of long-term cardiovascular progression.
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Affiliation(s)
- Hazan Karadeniz
- Department of Internal Medicine, Division of Rheumatology, Facultyof Medicine, Gazi University, 06100, Ankara, Turkey.
| | - Aslıhan Avanoğlu Güler
- Department of Internal Medicine, Division of Rheumatology, Facultyof Medicine, Gazi University, 06100, Ankara, Turkey
| | - Gülce Koca
- Department of Biochemistry, FacultyofMedicine, Gazi University, Ankara, Turkey
| | - Reyhan Bilici Salman
- Department of Internal Medicine, Division of Rheumatology, Facultyof Medicine, Gazi University, 06100, Ankara, Turkey
| | - Hasan Satış
- Department of Internal Medicine, Division of Rheumatology, Facultyof Medicine, Gazi University, 06100, Ankara, Turkey
| | - Nuh Ataş
- Department of Internal Medicine, Division of Rheumatology, Facultyof Medicine, Gazi University, 06100, Ankara, Turkey
| | - Hakan Babaoğlu
- Department of Internal Medicine, Division of Rheumatology, Facultyof Medicine, Gazi University, 06100, Ankara, Turkey
| | - Hatice Paşaoğlu
- Department of Biochemistry, FacultyofMedicine, Gazi University, Ankara, Turkey
| | - Hamit Küçük
- Department of Internal Medicine, Division of Rheumatology, Facultyof Medicine, Gazi University, 06100, Ankara, Turkey
| | - Abdurrahman Tufan
- Department of Internal Medicine, Division of Rheumatology, Facultyof Medicine, Gazi University, 06100, Ankara, Turkey
| | - Mehmet Akif Öztürk
- Department of Internal Medicine, Division of Rheumatology, Facultyof Medicine, Gazi University, 06100, Ankara, Turkey
| | - Berna Göker
- Department of Internal Medicine, Division of Rheumatology, Facultyof Medicine, Gazi University, 06100, Ankara, Turkey
| | - Şeminur Haznedaroğlu
- Department of Internal Medicine, Division of Rheumatology, Facultyof Medicine, Gazi University, 06100, Ankara, Turkey
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15
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Shen J, Zhao M, Zhang C, Sun X. IL-1β in atherosclerotic vascular calcification: From bench to bedside. Int J Biol Sci 2021; 17:4353-4364. [PMID: 34803503 PMCID: PMC8579452 DOI: 10.7150/ijbs.66537] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 10/11/2021] [Indexed: 01/19/2023] Open
Abstract
Atherosclerotic vascular calcification contributes to increased risk of death in patients with cardiovascular diseases. Assessing the type and severity of inflammation is crucial in the treatment of numerous cardiovascular conditions. IL-1β, a potent proinflammatory cytokine, plays diverse roles in the pathogenesis of atherosclerotic vascular calcification. Several large-scale, population cohort trials have shown that the incidence of cardiovascular events is clinically reduced by the administration of anti-IL-1β therapy. Anti-IL-1β therapy might reduce the incidence of cardiovascular events by affecting atherosclerotic vascular calcification, but the mechanism underlying this effect remains unclear. In this review, we summarize current knowledge on the role of IL-1β in atherosclerotic vascular calcification, and describe the latest results reported in clinical trials evaluating anti-IL-1β therapies for the treatment of cardiovascular diseases. This review will aid in improving current understanding of the pathophysiological roles of IL-1β and mechanisms underlying its activity.
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Affiliation(s)
- Jialing Shen
- Department of General Surgery (Vascular Surgery), the Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Ming Zhao
- Department of Interventional Medicine, the Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Chunxiang Zhang
- Laboratory of Nucleic Acids in Medicine for National high-level talents, Southwest Medical University, Luzhou 646000, China.,Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou 646000, China
| | - Xiaolei Sun
- Department of General Surgery (Vascular Surgery), the Affiliated Hospital of Southwest Medical University, Luzhou 646000, China.,Department of Interventional Medicine, the Affiliated Hospital of Southwest Medical University, Luzhou 646000, China.,Laboratory of Nucleic Acids in Medicine for National high-level talents, Southwest Medical University, Luzhou 646000, China.,School of Cardiovascular Medicine and Sciences, King's College London British Heart Foundation Centre of Research Excellence, Faculty of Life Science and Medicine, King's College London, London SE5 9NU, United Kingdom.,Centre for Clinical Pharmacology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London EC1M 6BQ, United Kingdom.,Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou 646000, China.,Cardiovascular and Metabolic Diseases Key Laboratory of Luzhou, Luzhou, 646000, China.,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou 646000, China
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16
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Radvar E, Griffanti G, Tsolaki E, Bertazzo S, Nazhat SN, Addison O, Mata A, Shanahan CM, Elsharkawy S. Engineered In vitro Models for Pathological Calcification: Routes Toward Mechanistic Understanding. ADVANCED NANOBIOMED RESEARCH 2021. [DOI: 10.1002/anbr.202100042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
- Elham Radvar
- Centre for Oral, Clinical and Translational Sciences Faculty of Dentistry, Oral and Craniofacial Sciences King's College London London SE1 1UL UK
| | - Gabriele Griffanti
- Department of Mining and Materials Engineering Faculty of Engineering McGill University Montreal QC H3A 0C5 Canada
| | - Elena Tsolaki
- Department of Medical Physics and Biomedical Engineering University College London London WC1E 6BT UK
| | - Sergio Bertazzo
- Department of Medical Physics and Biomedical Engineering University College London London WC1E 6BT UK
| | - Showan N. Nazhat
- Department of Mining and Materials Engineering Faculty of Engineering McGill University Montreal QC H3A 0C5 Canada
| | - Owen Addison
- Centre for Oral, Clinical and Translational Sciences Faculty of Dentistry, Oral and Craniofacial Sciences King's College London London SE1 1UL UK
| | - Alvaro Mata
- School of Pharmacy University of Nottingham Nottingham NG7 2RD UK
| | - Catherine M. Shanahan
- BHF Centre of Research Excellence Cardiovascular Division James Black Centre King's College London London SE1 1UL UK
| | - Sherif Elsharkawy
- Centre for Oral, Clinical and Translational Sciences Faculty of Dentistry, Oral and Craniofacial Sciences King's College London London SE1 1UL UK
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17
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Dogru T, Kirik A, Gurel H, Rizvi AA, Rizzo M, Sonmez A. The Evolving Role of Fetuin-A in Nonalcoholic Fatty Liver Disease: An Overview from Liver to the Heart. Int J Mol Sci 2021; 22:ijms22126627. [PMID: 34205674 PMCID: PMC8234007 DOI: 10.3390/ijms22126627] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 06/17/2021] [Accepted: 06/17/2021] [Indexed: 12/24/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is strongly associated to the features of metabolic syndrome which can progress to cirrhosis, liver failure and hepatocellular carcinoma. However, the most common cause of mortality in people with NAFLD is not liver-related but stems from atherosclerotic cardiovascular disease (CVD). The prevalence of NAFLD is on the rise, mainly as a consequence of its close association with two major worldwide epidemics, obesity and type 2 diabetes (T2D). The exact pathogenesis of NAFLD and especially the mechanisms leading to disease progression and CVD have not been completely elucidated. Human fetuin-A (alpha-2-Heremans Schmid glycoprotein), a glycoprotein produced by the liver and abundantly secreted into the circulation appears to play a role in insulin resistance, metabolic syndrome and inflammation. This review discusses the links between NAFLD and CVD by specifically focusing on fetuin-A’s function in the pathogenesis of NAFLD and atherosclerotic CVD.
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Affiliation(s)
- Teoman Dogru
- Department of Gastroenterology, Balikesir University Medical School, Cagis, Balikesir 10145, Turkey;
| | - Ali Kirik
- Department of Internal Medicine, Balikesir University Medical School, Cagis, Balikesir 10145, Turkey;
| | - Hasan Gurel
- Department of Gastroenterology, Samsun Education and Research Hospital, University of Health Sciences, Ilkadim, Samsun 55090, Turkey;
| | - Ali A. Rizvi
- Division of Endocrinology, Metabolism, and Lipids, Department of Medicine, Emory University, Atlanta, GA 30322, USA;
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of South Carolina, Columbia, SC 29208, USA;
| | - Manfredi Rizzo
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of South Carolina, Columbia, SC 29208, USA;
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, 90133 Palermo, Italy
| | - Alper Sonmez
- Department of Endocrinology and Metabolism, Gulhane Medical School, University of Health Sciences, Ankara 06010, Turkey
- Correspondence:
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18
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Tiong MK, Smith ER, Toussaint ND, Al-Khayyat HF, Holt SG. Reduction of Calciprotein Particles in Adults Receiving Infliximab for Chronic Inflammatory Disease. JBMR Plus 2021; 5:e10497. [PMID: 34189386 PMCID: PMC8216135 DOI: 10.1002/jbm4.10497] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 03/22/2021] [Indexed: 01/13/2023] Open
Abstract
Patients with chronic inflammatory diseases (CID) experience accelerated loss of bone mineral density, which is often accompanied by increased vascular calcification. These disturbances can be attenuated by therapies for inflammation, such as the tumor necrosis factor inhibitor infliximab. Calciprotein particles (CPP) are circulating colloidal aggregates of calcium and phosphate together with the mineral-binding protein fetuin-A, which have emerged as potential mediators of vascular calcification. The precise origins of serum CPP are unclear, but bone turnover may be an important source. In this longitudinal observational study, we studied patients with CID undergoing treatment with infliximab to assess the temporal relationship between bone turnover and circulating CPP. Ten patients with active CID receiving infliximab induction therapy and an additional 3 patients with quiescent CID on maintenance infliximab therapy were studied for 8 weeks with repeated measures of bone turnover markers as well as CPP (calciprotein monomers [CPM], primary CPP [CPP-I], and secondary CPP [CPP-II]). Therapeutic response was appraised using validated disease activity scores. At baseline, those with active CID had elevated markers of bone resorption and suppressed bone formation markers as well as higher CPM and CPP-I compared with those with quiescent CID. In responders, there was an early but transient reduction in resorption markers by week 1, but a more sustained increase in bone formation markers compared with non-responders at week 8. This was accompanied by reductions in CPM (β = -6.5 × 103 AU [95% CI -11.1, -1.8], p = 0.006) and CPP-I (β = -23.4 × 104 particles/mL [95% CI -34.8, -11.9], p < 0.001). In contrast, no significant changes in any markers were observed in non-responders or those receiving maintenance therapy. Thus, CPP have a dynamic association with changes in bone turnover in response to infliximab therapy, adding to accumulating evidence of the role of bone as a determinant of systemic levels. © 2021 The Authors. JBMR Plus published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Mark K Tiong
- Department of Nephrology The Royal Melbourne Hospital Parkville Australia.,Department of Medicine (RMH) University of Melbourne Parkville Australia
| | - Edward R Smith
- Department of Nephrology The Royal Melbourne Hospital Parkville Australia.,Department of Medicine (RMH) University of Melbourne Parkville Australia
| | - Nigel D Toussaint
- Department of Nephrology The Royal Melbourne Hospital Parkville Australia.,Department of Medicine (RMH) University of Melbourne Parkville Australia
| | - Hasan F Al-Khayyat
- Department of Nephrology The Royal Melbourne Hospital Parkville Australia
| | - Stephen G Holt
- Department of Nephrology The Royal Melbourne Hospital Parkville Australia.,Department of Medicine (RMH) University of Melbourne Parkville Australia.,SEHA Kidney Care Abu Dhabi Health Services Company Abu Dhabi United Arab Emirates.,Khalifa University Abu Dhabi United Arab Emirates
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19
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Kutikhin AG, Feenstra L, Kostyunin AE, Yuzhalin AE, Hillebrands JL, Krenning G. Calciprotein Particles: Balancing Mineral Homeostasis and Vascular Pathology. Arterioscler Thromb Vasc Biol 2021; 41:1607-1624. [PMID: 33691479 PMCID: PMC8057528 DOI: 10.1161/atvbaha.120.315697] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 03/01/2021] [Indexed: 12/12/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Anton G. Kutikhin
- Laboratory for Vascular Biology, Division of Experimental and Clinical Cardiology, Research Institute for Complex Issues of Cardiovascular Diseases, Kemerovo, Russian Federation (A.G.K., A.E.K., A.E.Y.)
| | - Lian Feenstra
- Department of Pathology and Medical Biology, Division of Pathology (L.F., J.-L.H.), University Medical Center Groningen, University of Groningen, the Netherlands
- Laboratory for Cardiovascular Regenerative Medicine, Department of Pathology and Medical Biology (L.F., G.K.), University Medical Center Groningen, University of Groningen, the Netherlands
| | - Alexander E. Kostyunin
- Laboratory for Vascular Biology, Division of Experimental and Clinical Cardiology, Research Institute for Complex Issues of Cardiovascular Diseases, Kemerovo, Russian Federation (A.G.K., A.E.K., A.E.Y.)
| | - Arseniy E. Yuzhalin
- Laboratory for Vascular Biology, Division of Experimental and Clinical Cardiology, Research Institute for Complex Issues of Cardiovascular Diseases, Kemerovo, Russian Federation (A.G.K., A.E.K., A.E.Y.)
| | - Jan-Luuk Hillebrands
- Department of Pathology and Medical Biology, Division of Pathology (L.F., J.-L.H.), University Medical Center Groningen, University of Groningen, the Netherlands
| | - Guido Krenning
- Laboratory for Cardiovascular Regenerative Medicine, Department of Pathology and Medical Biology (L.F., G.K.), University Medical Center Groningen, University of Groningen, the Netherlands
- Sulfateq B.V., Admiraal de Ruyterlaan 5, 9726 GN, Groningen, the Netherlands (G.K.)
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20
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Abstract
PURPOSE OF REVIEW Calciprotein particles (CPP) are formed in supersaturated solutions of calcium, phosphate and the mineral-binding protein fetuin-A. CPP have garnered considerable interest as potential mediators of mineral stress, but little consideration has been given to their origin, clearance and role in metabolism. RECENT FINDINGS CPP are made whilst buffering the mineral absorbed from the intestine after a meal or during remodelling of bone matrix. The postprandial rise in circulating CPP rise may be sensed by osteoblasts/osteocytes in bone, stimulating the secretion of the master phosphatonin fibroblast growth factor 23. Amorphous calcium phosphate-containing CPP are rapidly cleared by endothelial cells in the liver whereas crystalline apatite-containing CPP are filtered by phagocytic cells of the reticuloendothelial system. Impaired excretory function in kidney disease may lead to accumulation of CPP and its precursors with possible pathological sequalae. Inability to stabilize CPP in fetuin-A-deficiency states can result in intraluminal precipitation and inflammatory cascades if other mineralisation regulatory networks are compromised. SUMMARY CPP allow efficient transport and clearance of bulk calcium phosphate as colloids without risk of precipitation. As circulating factors, CPP may couple dietary mineral exposure with endocrine control of mineral metabolism in bone, signalling the need to dispose of excess phosphate from the body.
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21
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Rudloff S, Janot M, Rodriguez S, Dessalle K, Jahnen-Dechent W, Huynh-Do U. Fetuin-A is a HIF target that safeguards tissue integrity during hypoxic stress. Nat Commun 2021; 12:549. [PMID: 33483479 PMCID: PMC7822914 DOI: 10.1038/s41467-020-20832-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 12/18/2020] [Indexed: 02/08/2023] Open
Abstract
Intrauterine growth restriction (IUGR) is associated with reduced kidney size at birth, accelerated renal function decline, and increased risk for chronic kidney and cardiovascular diseases in adults. Precise mechanisms underlying fetal programming of adult diseases remain largely elusive and warrant extensive investigation. Setting up a mouse model of hypoxia-induced IUGR, fetal adaptations at mRNA, protein and cellular levels, and their long-term functional consequences are characterized, using the kidney as a readout. Here, we identify fetuin-A as an evolutionary conserved HIF target gene, and further investigate its role using fetuin-A KO animals and an adult model of ischemia-reperfusion injury. Beyond its role as systemic calcification inhibitor, fetuin-A emerges as a multifaceted protective factor that locally counteracts calcification, modulates macrophage polarization, and attenuates inflammation and fibrosis, thus preserving kidney function. Our study paves the way to therapeutic approaches mitigating mineral stress-induced inflammation and damage, principally applicable to all soft tissues.
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Affiliation(s)
- Stefan Rudloff
- Department of Nephrology and Hypertension, Bern University Hospital, Freiburgstrasse 15, 3010, Bern, Switzerland
- Department of Biomedical Research, University of Bern, Freiburgstrasse 15, 3010, Bern, Switzerland
| | - Mathilde Janot
- Department of Nephrology and Hypertension, Bern University Hospital, Freiburgstrasse 15, 3010, Bern, Switzerland
- Department of Biomedical Research, University of Bern, Freiburgstrasse 15, 3010, Bern, Switzerland
| | - Stephane Rodriguez
- Department of Nephrology and Hypertension, Bern University Hospital, Freiburgstrasse 15, 3010, Bern, Switzerland
- Department of Biomedical Research, University of Bern, Freiburgstrasse 15, 3010, Bern, Switzerland
- Department of Onco-haematology, Geneva Medical University, Geneva, Switzerland
| | - Kevin Dessalle
- Department of Nephrology and Hypertension, Bern University Hospital, Freiburgstrasse 15, 3010, Bern, Switzerland
- Department of Biomedical Research, University of Bern, Freiburgstrasse 15, 3010, Bern, Switzerland
| | - Willi Jahnen-Dechent
- Helmholtz-Institute for Biomedical Engineering, Biointerface Laboratory, RWTH Aachen University Medical Faculty, Pauwelsstrasse 30, 52074, Aachen, Germany
| | - Uyen Huynh-Do
- Department of Nephrology and Hypertension, Bern University Hospital, Freiburgstrasse 15, 3010, Bern, Switzerland.
- Department of Biomedical Research, University of Bern, Freiburgstrasse 15, 3010, Bern, Switzerland.
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22
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Qian Y, Li L, Sun Z, Liu J, Yuan W, Wang Z. A multi-omics view of the complex mechanism of vascular calcification. Biomed Pharmacother 2021; 135:111192. [PMID: 33401220 DOI: 10.1016/j.biopha.2020.111192] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 12/19/2020] [Accepted: 12/26/2020] [Indexed: 02/07/2023] Open
Abstract
Vascular calcification is a high incidence and high risk disease with increasing morbidity and high mortality, which is considered the consequence of smooth muscle cell transdifferentiation initiating the mechanism of accumulation of hydroxyl calcium phosphate. Vascular calcification is also thought to be strongly associated with poor outcomes in diabetes and chronic kidney disease. Numerous studies have been accomplished; however, the specific mechanism of the disease remains unclear. Development of the genome project enhanced the understanding of life science and has entered the post-genomic era resulting in a variety of omics techniques used in studies and a large amount of available data; thus, a new perspective on data analysis has been revealed. Omics has a broader perspective and is thus advantageous over a single pathway analysis in the study of complex vascular calcification mechanisms. This paper reviews in detail various omics studies including genomics, proteomics, transcriptomics, metabolomics and multiple group studies on vascular calcification. Advances and deficiencies in the use of omics to study vascular calcification are presented in a comprehensive view. We also review the methodology of the omics studies and omics data analysis and processing. In addition, the methodology and data processing presented here can be applied to other areas. An omics landscape perspective across the boundaries between genomics, transcriptomics, proteomics and metabolomics is used to examine the mechanisms of vascular calcification. The perspective combined with various technologies also provides a direction for the subsequent exploration of clinical significance.
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Affiliation(s)
- Yongjiang Qian
- Department of Cardiology, Affiliated Hospital of Jiangsu University, 212000, Zhenjiang, China
| | - Lihua Li
- Department of Pathology, Affiliated Hospital of Jiangsu University, 212000, Zhenjiang, China
| | - Zhen Sun
- Department of Cardiology, Affiliated Hospital of Jiangsu University, 212000, Zhenjiang, China
| | - Jia Liu
- Department of Cardiology, Affiliated Hospital of Jiangsu University, 212000, Zhenjiang, China
| | - Wei Yuan
- Department of Cardiology, Affiliated Hospital of Jiangsu University, 212000, Zhenjiang, China
| | - Zhongqun Wang
- Department of Cardiology, Affiliated Hospital of Jiangsu University, 212000, Zhenjiang, China.
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23
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Icer MA, Yıldıran H. Effects of fetuin-A with diverse functions and multiple mechanisms on human health. Clin Biochem 2020; 88:1-10. [PMID: 33245873 DOI: 10.1016/j.clinbiochem.2020.11.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 11/02/2020] [Accepted: 11/03/2020] [Indexed: 12/14/2022]
Abstract
Fetuin-A (Alfa 2-Heremans-Schmid) is a glycoprotein that is mainly synthesized by hepatocytes and then released into the bloodstream. While fetuin-A, a multifunctional protein, has inhibitory effects on health in the processes of calcification, mineralization, coronary artery calcification (CAC), and kidney stone formation by various mechanisms, it has such stimulatory effects as obesity, diabetes, and tumor progression processes. Fetuin-A produces these effects on the organism mainly by playing a role in the secretion levels of some inflammatory cytokines and exosomes, preventing unwanted calcification, inhibiting the autophosphorylation of tyrosine kinase, suppressing the release of adiponectin and peroxisome proliferator-activated receptor-γ (PPARγ), activating the toll-like receptor 4 (TLR-4), triggering the phosphatidylinositol 3 (PI3) kinase/Akt signaling pathway and cell proliferation, and mimicking the transforming growth factor-beta (TGF-β) receptor. In the present review, fetuin-A was examined in a wide perspective from the structure and release of fetuin-A to its effects on health.
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Affiliation(s)
- Mehmet Arif Icer
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Gazi University, 06500 Ankara, Turkey.
| | - Hilal Yıldıran
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Gazi University, 06500 Ankara, Turkey
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24
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Duan M, Zhao WL, Zhou L, Novák P, Zhu X, Yin K. Omics research in vascular calcification. Clin Chim Acta 2020; 511:319-328. [PMID: 33096035 DOI: 10.1016/j.cca.2020.10.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/15/2020] [Accepted: 10/15/2020] [Indexed: 02/06/2023]
Abstract
Vascular calcification (VC), the pathological process of hydroxyapatite mineral deposition in the vascular system, is closely associated with aging, atherosclerotic plaque formation, cardiovascular disease (CVD) and diabetes mellitus (DM). Studies have shown that VC is related to cellular phenotypic changes, extracellular vesicles, disordered calcium and phosphate homeostasis, and an imbalance between inducers and inhibitors of VC. Unfortunately, there is currently no effective preventive or targeted treatment for pathologic condition. The rapid evolution of omics technology (genomics, epigenomics, transcriptomics, proteomics and metabolomics) has provided a novel approach for elucidation of pathophysiologic mechanisms in general and those associated with VC specifically. Here, we review articles published over the last twenty years and focus on the current state, challenges, limitations and future of omics in VC research and clinical practice. Highlighting potential targets based on omics technology will improve our understanding of this pathologic condition and assist in the development of potential treatment options for VC related disease.
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Affiliation(s)
- Meng Duan
- Research Lab of Translational Medicine, Hengyang Medical School, University of South China, Hengyang 421001, China; Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin 541100, China
| | - Wen-Li Zhao
- Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin 541100, China
| | - Le Zhou
- Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin 541100, China
| | - Petr Novák
- Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin 541100, China
| | - Xiao Zhu
- Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin 541100, China.
| | - Kai Yin
- The Second Affiliated Hospital of Guilin Medical University, Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin 541100, China.
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25
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Duan M, Zhao WL, Zhou L, Novák P, Zhu X, Yin K. Omics research in vascular calcification. Clin Chim Acta 2020; 511:198-207. [PMID: 33096032 DOI: 10.1016/j.cca.2020.10.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 10/15/2020] [Indexed: 02/07/2023]
Abstract
Vascular calcification (VC), the pathological process of hydroxyapatite mineral deposition in the vascular system, is closely associated with aging, atherosclerotic plaque formation, cardiovascular disease (CVD) and diabetes mellitus (DM). Studies have shown that VC is related to cellular phenotypic changes, extracellular vesicles, disordered calcium phosphate homeostasis and an imbalance between inducers and inhibitors of VC. Unfortunately, there is currently no effective preventive or targeted treatment for this disorder. Recently, the evolution of omics technology (genomics, epigenomics, transcriptomics, proteomics and metabolomics) has paved the way for elucidation of complex biochemical processes and, as such, may provide new insight on VC. Accordingly, we conducted a review of articles published over the last twenty years and herein focus on current and future potential of omics technology in clarifying mechanisms of this disease process. Identification of new biomarkers will provide additional tools in characterizing this pathology and will further assist in the development of potential therapeutic targets.
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Affiliation(s)
- Meng Duan
- Research Lab of Translational Medicine, Hengyang Medical School, University of South China, Hengyang 421001, China; Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin 541100, China
| | - Wen-Li Zhao
- Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin 541100, China
| | - Le Zhou
- Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin 541100, China
| | - Petr Novák
- Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin 541100, China
| | - Xiao Zhu
- Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin 541100, China.
| | - Kai Yin
- The Second Affiliated Hospital of Guilin Medical University, Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin 541100, China.
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26
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Calcinosis in Systemic Sclerosis: Updates in Pathophysiology, Evaluation, and Treatment. Curr Rheumatol Rep 2020; 22:73. [DOI: 10.1007/s11926-020-00951-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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27
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Jahnen-Dechent W, Büscher A, Köppert S, Heiss A, Kuro-O M, Smith ER. Mud in the blood: the role of protein-mineral complexes and extracellular vesicles in biomineralisation and calcification. J Struct Biol 2020; 212:107577. [PMID: 32711043 DOI: 10.1016/j.jsb.2020.107577] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 07/10/2020] [Accepted: 07/13/2020] [Indexed: 12/19/2022]
Abstract
Protein-mineral interaction is known to regulate biomineral stability and morphology. We hypothesise that fluid phases produce highly dynamic protein-mineral complexes involved in physiology and pathology of biomineralisation. Here, we specifically focus on calciprotein particles, complexes of vertebrate mineral-binding proteins and calcium phosphate present in the systemic circulation and abundant in extracellular fluids - hence the designation of the ensuing protein-mineral complexes as "mud in the blood". These complexes exist amongst other extracellular particles that we collectively refer to as "the particle zoo".
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Affiliation(s)
- Willi Jahnen-Dechent
- Helmholtz-Institute for Biomedical Engineering, Biointerface Lab, RWTH Aachen University Hospital, Aachen, Germany.
| | - Andrea Büscher
- Helmholtz-Institute for Biomedical Engineering, Biointerface Lab, RWTH Aachen University Hospital, Aachen, Germany
| | - Sina Köppert
- Helmholtz-Institute for Biomedical Engineering, Biointerface Lab, RWTH Aachen University Hospital, Aachen, Germany
| | - Alexander Heiss
- The Research Institute for Precious Metals and Metals Chemistry (fem), Schwaebisch Gmuend, Germany
| | - Makoto Kuro-O
- Division of Anti-aging Medicine, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Edward R Smith
- Department of Nephrology, The Royal Melbourne Hospital, Melbourne, Australia; Department of Medicine, University of Melbourne, Parkville, Australia
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28
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Babler A, Schmitz C, Buescher A, Herrmann M, Gremse F, Gorgels T, Floege J, Jahnen-Dechent W. Microvasculopathy and soft tissue calcification in mice are governed by fetuin-A, magnesium and pyrophosphate. PLoS One 2020; 15:e0228938. [PMID: 32074140 PMCID: PMC7029863 DOI: 10.1371/journal.pone.0228938] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 01/27/2020] [Indexed: 12/18/2022] Open
Abstract
Calcifications can disrupt organ function in the cardiovascular system and the kidney, and are particularly common in patients with chronic kidney disease (CKD). Fetuin-A deficient mice maintained against the genetic background DBA/2 exhibit particularly severe soft tissue calcifications, while fetuin-A deficient C57BL/6 mice remain healthy. We employed molecular genetic analysis to identify risk factors of calcification in fetuin-A deficient mice. We sought to identify pharmaceutical therapeutic targets that could be influenced by dietary of parenteral supplementation. We studied the progeny of an intercross of fetuin-A deficient DBA/2 and C57BL/6 mice to identify candidate risk genes involved in calcification. We determined that a hypomorphic mutation of the Abcc6 gene, a liver ATP transporter supplying systemic pyrophosphate, and failure to regulate the Trpm6 magnesium transporter in kidney were associated with severity of calcification. Calcification prone fetuin-A deficient mice were alternatively treated with parenteral administration of fetuin-A dietary magnesium supplementation, phosphate restriction, or by or parenteral pyrophosphate. All treatments markedly reduced soft tissue calcification, demonstrated by computed tomography, histology and tissue calcium measurement. We show that pathological ectopic calcification in fetuin-A deficient DBA/2 mice is caused by a compound deficiency of three major extracellular and systemic inhibitors of calcification, namely fetuin-A, magnesium, and pyrophosphate. All three of these are individually known to contribute to stabilize protein-mineral complexes and thus inhibit mineral precipitation from extracellular fluid. We show for the first time a compound triple deficiency that can be treated by simple dietary or parenteral supplementation. This is of special importance in patients with advanced CKD, who commonly exhibit reduced serum fetuin-A, magnesium and pyrophosphate levels.
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Affiliation(s)
- Anne Babler
- Helmholtz Institute for Biomedical Engineering, Biointerface Lab, RWTH Aachen University Hospital, Aachen, Germany
| | - Carlo Schmitz
- Helmholtz Institute for Biomedical Engineering, Biointerface Lab, RWTH Aachen University Hospital, Aachen, Germany
| | - Andrea Buescher
- Helmholtz Institute for Biomedical Engineering, Biointerface Lab, RWTH Aachen University Hospital, Aachen, Germany
| | - Marietta Herrmann
- Helmholtz Institute for Biomedical Engineering, Biointerface Lab, RWTH Aachen University Hospital, Aachen, Germany
- IZKF Research Group Tissue Regeneration in Musculoskeletal Regeneration, Orthopedic Center for Musculoskeletal Research, University of Würzburg, Würzburg, Germany
| | - Felix Gremse
- Helmholtz Institute for Biomedical Engineering, Experimental Molecular Imaging, RWTH Aachen University Hospital, Aachen, Germany
| | - Theo Gorgels
- University Eye Clinic Maastricht, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Juergen Floege
- Division of Nephrology and Clinical Immunology, RWTH Aachen University Hospital, Aachen, Germany
| | - Willi Jahnen-Dechent
- Helmholtz Institute for Biomedical Engineering, Biointerface Lab, RWTH Aachen University Hospital, Aachen, Germany
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