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Lanzer P, Ferraresi R. Medial Sclerosis-Epidemiology and Clinical Significance. DEUTSCHES ARZTEBLATT INTERNATIONAL 2023; 120:365-372. [PMID: 36978268 PMCID: PMC10413967 DOI: 10.3238/arztebl.m2023.0066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 02/07/2022] [Accepted: 03/07/2023] [Indexed: 03/30/2023]
Abstract
BACKGROUND Medial sclerosis (MeS) is a chronic systemic vascular disease that mainly affects the arteries of the lower limb. Its prevalence in the general population is approximately 2.5% (range: 1.6% to 10.0%). It is more common in men than in women. METHODS This review is based on pertinent publications retrieved by a selective search in PubMed. RESULTS MeS is the final common pathway of a wide variety of diseases; its pathogenesis is not fully understood. It often remains clinically silent for decades and is usually diagnosed as an incidental finding or in a late stage. MeS with or without atherosclerosis is the most common histologic finding after limb amputation. MeS of the below-the-knee arteries is a major risk factor for chronic critical leg ischemia (OR:13.25, 95% confidence interval: [1.69; 104.16]) and amputation (RR 2.27, [1.89; 2.74]). Patients with peripheral arterial occlusive disease and marked calcification have a much higher risk of amputation (OR 2.88, [1.18; 12.72]) and a higher mortality (OR 5.16, [1.13; 21.61]). MeS is a risk factor for the failure of endovascular treatment of the pedal arteries (OR 4.0, [1.1; 16.6]). The more marked the calcification, the higher the risk of major amputation (HR 10.6 [1.4; 80.7] to HR 15.5 [2.0; 119]). Patients with vascular calcifications have been found to have lower patency rates and higher treatment failure rates two years after open surgical revascularization of the below-the-knee arteries. No pharmacotherapy for MeS is available to date. CONCLUSION MeS is an important risk factor for chronic critical lower limb ischemia, amputation, morbidity, and complications, particularly after endovascular and surgical procedures.
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Affiliation(s)
- Peter Lanzer
- Middle German Heart Center-Bitterfeld, Bitterfeld-Wolfen Health Care Center, Bitterfeld, Germany
| | - Roberto Ferraresi
- Diabetic Foot Unit, Clinica San Carlo, Paderno Dugnano, Milan, Italy
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Bazin D, Daudon M, Frochot V, Haymann JP, Letavernier E. Foreword to microcrystalline pathologies: combining clinical activity and fundamental research at the nanoscale. CR CHIM 2022. [DOI: 10.5802/crchim.200] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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The Ameliorative Effect of Berberine on Vascular Calcification by Inhibiting Endoplasmic Reticulum Stress. J Cardiovasc Pharmacol 2022; 80:294-304. [PMID: 35580317 DOI: 10.1097/fjc.0000000000001303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 04/24/2022] [Indexed: 11/26/2022]
Abstract
ABSTRACT Vascular calcification (VC), which currently cannot be prevented or treated, is an independent risk factor for cardiovascular events. We aimed to investigate the ameliorative effect of berberine on VC via the activation of Akt signaling and inhibition of endoplasmic reticulum stress (ERS). The VC model was induced by high-dose Vitamin D 3 in rats and beta-glycerophosphate in primary vascular smooth muscle cells of rat aortas, which were evaluated by Alizarin red staining to determine the calcium content and alkaline phosphatase activity. ERS was determined by the levels of GRP78 and CHOP, whereas that of the Akt signaling pathway was determined by the levels of phosphorylated Akt and GSK3β. VC was significantly ameliorated by berberine treatment in vivo and in vitro, and the inhibition of ERS and the activation of the Akt/GSK3 signaling pathway. In the vascular smooth muscle cells of primary rats, tunicamycin, an ERS activator, blocked the ameliorative effect of berberine on VC and ERS, but not the activation of Akt/GSK3. The ameliorative effects of berberine on VC, ERS, and the Akt signaling pathway were all prevented by inhibitor IV. Four-phenylbutyric acid, an ERS inhibitor, can restore the ameliorative effect of berberine on VC and ERS that was blocked by inhibitor IV. Our results are the first to demonstrate the ameliorative effect of VC that was mediated by the activation of the Akt signaling pathway and inhibition of ERS. These results may provide a new pharmaceutical candidate for the prevention and treatment of VC.
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Prevalence and risk factors for vascular calcification based on the ankle-brachial index in the general population: a cross-sectional study. BMC Cardiovasc Disord 2022; 22:227. [PMID: 35585487 PMCID: PMC9118712 DOI: 10.1186/s12872-022-02668-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 05/06/2022] [Indexed: 11/13/2022] Open
Abstract
Background To investigate the prevalence of vascular calcification based on the ankle‐brachial index (ABI) value and analyse the risk factors for vascular calcification in the general population. Methods A cross-sectional study was conducted to collect clinical, laboratory, and lifestyle data in individuals aged 30–70 recruited from the physical examination centre. The automatic arteriosclerosis detector was used to measure the ABI. Difference tests, correlation analyses, and multivariate logistic regression analyses were performed to identify risk factors for vascular calcification. Results The overall prevalence of vascular calcification was 24.39% in 1033 subjects. The prevalence of vascular calcification in males was much higher than that in females (27.80% vs. 17.49%, P < 0.001). The differences in age, body mass index (BMI), systolic blood pressure (SBP), diastolic blood pressure (DBP), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C), hypertension, and fatty liver disease were statistically significant in males (P < 0.05). The differences between serum uric acid (UA), total cholesterol (TC), TG, low-density lipoprotein cholesterol (LDL-C), estimated glomerular filtration rate (eGFR), alcohol consumption, exercise, and postmenopausal status were statistically significant in females (P < 0.05). Increased age (odds ratio (OR) = 1.028, 95% confidence interval (CI) 1.008–1.049, P = 0.007), increased BMI (OR = 1.238, 95% CI 1.147–1.337, P < 0.001) and elevated DBP (OR = 2.563, 95% CI 1.262–5.205, P = 0.009) were independent risk factors for vascular calcification in males after adjusting for confounding factors. Increased BMI (OR = 1.159, 95% CI 1.029–1.304, P = 0.015), elevated UA (OR = 1.545, 95% CI 1.077–2.216, P = 0.018), elevated LDL-C (OR = 1.044, 95% CI 1.060–1.027, P < 0.001), and a lack of exercise (OR = 2.402, 95% CI 1.073–5.373, P = 0.033) were independent risk factors for vascular calcification in females. Conclusions The prevalence of vascular calcification based on the ABI value is also high in the general population of our centre. Increased age, BMI, and elevated DBP are independent risk factors for vascular calcification in males. Increased BMI, UA, LDL-C, and a lack of exercise are independent risk factors for vascular calcification in females. Attention should be given to strengthening the prevention and control of vascular calcification in the general population.
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Kahil K, Weiner S, Addadi L, Gal A. Ion Pathways in Biomineralization: Perspectives on Uptake, Transport, and Deposition of Calcium, Carbonate, and Phosphate. J Am Chem Soc 2021; 143:21100-21112. [PMID: 34881565 PMCID: PMC8704196 DOI: 10.1021/jacs.1c09174] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Indexed: 12/19/2022]
Abstract
Minerals are formed by organisms in all of the kingdoms of life. Mineral formation pathways all involve uptake of ions from the environment, transport of ions by cells, sometimes temporary storage, and ultimately deposition in or outside of the cells. Even though the details of how all this is achieved vary enormously, all pathways need to respect both the chemical limitations of ion manipulation, as well as the many "housekeeping" roles of ions in cell functioning. Here we provide a chemical perspective on the biological pathways of biomineralization. Our approach is to compare and contrast the ion pathways involving calcium, phosphate, and carbonate in three very different organisms: the enormously abundant unicellular marine coccolithophores, the well investigated sea urchin larval model for single crystal formation, and the complex pathways used by vertebrates to form their bones. The comparison highlights both common and unique processes. Significantly, phosphate is involved in regulating calcium carbonate deposition and carbonate is involved in regulating calcium phosphate deposition. One often overlooked commonality is that, from uptake to deposition, the solutions involved are usually supersaturated. This therefore requires not only avoiding mineral deposition where it is not needed but also exploiting this saturated state to produce unstable mineral precursors that can be conveniently stored, redissolved, and manipulated into diverse shapes and upon deposition transformed into more ordered and hence often functional final deposits.
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Affiliation(s)
- Keren Kahil
- Department
of Chemical and Structural Biology and Department of Plant and Environmental
Sciences, Weizmann Institute of Science, 7610001 Rehovot, Israel
| | - Steve Weiner
- Department
of Chemical and Structural Biology and Department of Plant and Environmental
Sciences, Weizmann Institute of Science, 7610001 Rehovot, Israel
| | - Lia Addadi
- Department
of Chemical and Structural Biology and Department of Plant and Environmental
Sciences, Weizmann Institute of Science, 7610001 Rehovot, Israel
| | - Assaf Gal
- Department
of Chemical and Structural Biology and Department of Plant and Environmental
Sciences, Weizmann Institute of Science, 7610001 Rehovot, Israel
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Lanzer P, Hannan FM, Lanzer JD, Janzen J, Raggi P, Furniss D, Schuchardt M, Thakker R, Fok PW, Saez-Rodriguez J, Millan A, Sato Y, Ferraresi R, Virmani R, St Hilaire C. Medial Arterial Calcification: JACC State-of-the-Art Review. J Am Coll Cardiol 2021; 78:1145-1165. [PMID: 34503684 PMCID: PMC8439554 DOI: 10.1016/j.jacc.2021.06.049] [Citation(s) in RCA: 104] [Impact Index Per Article: 34.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 06/23/2021] [Accepted: 06/28/2021] [Indexed: 01/07/2023]
Abstract
Medial arterial calcification (MAC) is a chronic systemic vascular disorder distinct from atherosclerosis that is frequently but not always associated with diabetes mellitus, chronic kidney disease, and aging. MAC is also a part of more complex phenotypes in numerous less common diseases. The hallmarks of MAC include disseminated and progressive precipitation of calcium phosphate within the medial layer, a prolonged and clinically silent course, and compromise of hemodynamics associated with chronic limb-threatening ischemia. MAC increases the risk of complications during vascular interventions and mitigates their outcomes. With the exception of rare monogenetic defects affecting adenosine triphosphate metabolism, MAC pathogenesis remains unknown, and causal therapy is not available. Implementation of genetics and omics-based approaches in research recognizing the critical importance of calcium phosphate thermodynamics holds promise to unravel MAC molecular pathogenesis and to provide guidance for therapy. The current state of knowledge concerning MAC is reviewed, and future perspectives are outlined.
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Affiliation(s)
- Peter Lanzer
- Middle German Heart Center-Bitterfeld, Bitterfeld-Wolfen Health Care Center, Bitterfeld, Germany.
| | - Fadil M Hannan
- Nuffield Department of Women's & Reproductive Health, University of Oxford, Oxford, United Kingdom
| | - Jan D Lanzer
- Institute for Computational Biomedicine, Bioquant, Faculty of Medicine, Heidelberg University, Heidelberg, Germany; Department of Internal Medicine II, Heidelberg University Hospital, Heidelberg, Germany; Faculty of Biosciences, Heidelberg University, Heidelberg, Heidelberg, Germany
| | | | - Paolo Raggi
- Division of Cardiology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Dominic Furniss
- Botnar Research Centre, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
| | - Mirjam Schuchardt
- Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität and Humboldt Universität Berlin, Campus Benjamin Franklin, Berlin, Germany
| | - Rajesh Thakker
- Academic Endocrine Unit, Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Pak-Wing Fok
- Department of Mathematical Sciences, University of Delaware, Newark, Delaware, USA
| | - Julio Saez-Rodriguez
- Institute for Computational Biomedicine, Bioquant, Faculty of Medicine, Heidelberg University, Heidelberg, Germany
| | - Angel Millan
- Institute of Materials Science, University of Zaragoza, Zaragoza, Spain
| | - Yu Sato
- CVPath Institute, Gaithersburg, Maryland, USA
| | | | | | - Cynthia St Hilaire
- Division of Cardiology, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA; Pittsburgh Heart, Lung, and Blood Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, USA; Department of Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Wang Q, Lin P, Feng L, Ren Q, Xie X, Zhang B. Ameliorative effect of allicin on vascular calcification via inhibiting endoplasmic reticulum stress. Vascular 2021; 30:999-1007. [PMID: 34301159 DOI: 10.1177/17085381211035291] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
OBJECTIVES Vascular calcification (VC) is an independent predictor for cardiovascular events and mortality. However, there are currently no effective methods to reverse or prevent it. The present study aimed to determine the ameliorative effect of allicin on VC. METHODS VC model of rats was induced by high-dose vitamin D3, which was valued by Alizarin Red staining, calcium contents, and alkaline phosphatase in the aorta. Systolic blood pressure, pulse pressure, and pulse wave velocity were measured to determine aortic stiffness. Protein levels were detected by Western blot. RESULTS Allicin treatment rescued aortic VC and stiffness. The increased protein levels of RUNX2 and BMP2, two markers of osteoblastic phenotype of vascular smooth muscle cells, in the calcified aorta were attenuated by allicin, whereas the decreased levels of calponin and SM22α induced by calcification were improved. Allicin treatment significantly attenuated the increased protein levels of GRP78, GRP94, and CHOP, which are key markers of endoplasmic reticulum stress, in the calcified aorta. The activation of PERK/eIF2α/ATF4 cascades was also prevented by allicin. CONCLUSIONS Allicin could ameliorate aortic VC and stiffness. The ameliorative effect of allicin on VC might be mediated by inhibiting PERK/eIF2α/ATF4 cascades. Our results might provide a new proof for VC treatment.
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Affiliation(s)
- Qin Wang
- Geriatric Department, The Third Hospital of Hangzhou, Hangzhou, China
| | - Ping Lin
- Geriatric Department, The Third Hospital of Hangzhou, Hangzhou, China
| | - Li Feng
- Geriatric Department, The Third Hospital of Hangzhou, Hangzhou, China
| | - Qian Ren
- Geriatric Department, The Third Hospital of Hangzhou, Hangzhou, China
| | - Xiaofeng Xie
- Geriatric Department, The Third Hospital of Hangzhou, Hangzhou, China
| | - Bin Zhang
- Geriatric Department, The Third Hospital of Hangzhou, Hangzhou, China
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