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calcium and cardiovascular disease

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https://www.readbyqxmd.com/read/28719492/fifty-men-3510-marathons-cardiac-risk-factors-and-coronary-artery-calcium-scores
#1
William O Roberts, Robert S Schwartz, Ross F Garberich, Samantha Carlson, Thomas Knickelbine, Jonathan G Schwartz, Gretchen Peichel, John R Lesser, Kelly Wickstrom, Kevin M Harris
INTRODUCTION/PURPOSE: Many male marathon runners have elevated coronary artery calcium (CAC) scores despite high physical activity. We examined the association between CAC scores, cardiovascular risk factors, and lifestyle habits in long term marathoners. METHODS: We recruited men who had run ≥1 marathon annually for 25 consecutive years. CAC was assessed using coronary computed tomography angiography. Atherosclerotic cardiovascular disease (CAD) risk factors were measured with a 12-lead ECG, serum lipid panel, height, weight, resting blood pressure and heart rate, and a risk factor questionnaire...
July 17, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28717005/lipid-oxidation-inactivates-the-anticoagulant-function-of-protein-z-dependent-protease-inhibitor-zpi
#2
Xin Huang, Baoxin Liu, Yidong Wei, Ryan Beyea, Han Yan, Steven T Olson
Lipid oxidation due to oxidative stress plays an important role in the pathogenesis of inflammatory and thrombotic cardiovascular diseases. Several findings suggest that lipid peroxidation can alter the function of coagulation proteins and contribute to a hypercoagulable state, but the molecular mechanisms are unclear. Here, we report that oxidized phospholipids suppress the anticoagulant function of the serpin, protein Z-dependent protease inhibitor (ZPI), a specific inhibitor of membrane-associated factor Xa (FXa) that requires protein Z (PZ), phospholipid and calcium as cofactors...
July 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28714648/-phosphate-binders-what-are-the-recent-evidences
#3
Iméne Achek Bouajila, Pierre-Yves Martin, Sophie De Seigneux
Hyperphosphatemia is a late complication of chronic kidney disease (CKD). It is a major non-traditional cardiovascular risk factor in CKD. The management of hyperphosphatemia is based on restriction of phosphate intake, phosphate binders and dialysis. Phosphate binders are divided into calcium-based and non-calcium-based binders. Recent evidence suggest restricting the dose of calcium-based phosphate binders because of the associated increased mortality in compared to non-calcic ones. New treatments are under development such as inhibitors of kidney or intestinal phosphate absorption...
February 22, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28705647/telomerase-activity-in-patients-with-stage-2-5d-chronic-kidney-disease
#4
Veysel Kidir, Ayse Aynali, Atila Altuntas, Salih Inal, Buket Aridogan, Mehmet Tugrul Sezer
BACKGROUND: Molecular mechanisms of increased cardiovascular mortality in chronic kidney disease (CKD) associated with biological age are not well understood. Recent studies support the hypothesis that common factors responsible for this phenomenon are cellular aging and telomere dysfunction. OBJECTIVES: The purpose of this study was to investigate the relation between telomerase activity and CKD stages. METHODS: The study included 120 patients who were followed-up for CKD stage 2-5D, composed of 30 patients of each stage and 30 healthy volunteers without any known disease who were admitted to our hospital for routine check-ups...
July 10, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28704925/licochalcone-a-prevents-platelet-activation-and-thrombus-formation-through-the-inhibition-of-plc%C3%AE-2-pkc-akt-and-mapk-pathways
#5
Li-Ming Lien, Kuan-Hung Lin, Li-Ting Huang, Mei-Fang Tseng, Hou-Chang Chiu, Ray-Jade Chen, Wan-Jung Lu
Platelet activation is involved in cardiovascular diseases, such as atherosclerosis and ischemic stroke. Licochalcone A (LA), an active ingredient of licorice, exhibits multiple biological activities such as anti-oxidation and anti-inflammation. However, its role in platelet activation remains unclear. Therefore, the study investigated the antiplatelet mechanism of LA. Our data revealed that LA (2-10 μM) concentration dependently inhibited platelet aggregation induced by collagen, but not thrombin and U46619...
July 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28702887/ambulatory-blood-pressure-monitoring-derived-short-term-blood-pressure-variability-in-primary-hyperparathyroidism
#6
A Concistrè, A Grillo, G La Torre, R Carretta, B Fabris, L Petramala, C Marinelli, A Rebellato, F Fallo, C Letizia
INTRODUCTION: Primary hyperparathyroidism is associated with a cluster of cardiovascular manifestations, including hypertension, leading to increased cardiovascular risk. PURPOSE: The aim of our study was to investigate the ambulatory blood pressure monitoring-derived short-term blood pressure variability in patients with primary hyperparathyroidism, in comparison with patients with essential hypertension and normotensive controls. METHODS: Twenty-five patients with primary hyperparathyroidism (7 normotensive,18 hypertensive) underwent ambulatory blood pressure monitoring at diagnosis, and fifteen out of them were re-evaluated after parathyroidectomy...
July 12, 2017: Endocrine
https://www.readbyqxmd.com/read/28700790/association-of-changes-in-medication-use-and-adherence-with-accountable-care-organization-exposure-in-patients-with-cardiovascular-disease-or-diabetes
#7
J Michael McWilliams, Mehdi Najafzadeh, William H Shrank, Jennifer M Polinski
Importance: Many of the quality measures used to assess accountable care organization (ACO) performance in the Medicare Shared Savings Program (MSSP) focus on disease control and medication use among patients with cardiovascular disease and diabetes. To date, the association between participation in the MSSP by provider organizations and medication use or adherence among their patients with cardiovascular disease or diabetes has not been described. Objective: To assess the association between exposure to the MSSP and changes in the use of and adherence to common antihypertensive, lipid-lowering, and hypoglycemic medications...
July 12, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28698808/vitamins-k1-and-k2-the-emerging-group-of-vitamins-required-for-human-health
#8
REVIEW
Gerry Kurt Schwalfenberg
OBJECTIVE: To review the evidence for the use of vitamin K supplementation in clinical conditions such as osteoporosis, vascular calcification, arthritis, cancer, renal calculi, diabetes, and warfarin therapy. QUALITY OF EVIDENCE: PubMed was searched for articles on vitamin K (K1 and K2) along with books and conference proceedings and health conditions listed above. Level I and II evidence supports the use of vitamins K1 and K2 in osteoporosis and Level II evidence supports vitamin K2 in prevention of coronary calcification and cardiovascular disease...
2017: Journal of Nutrition and Metabolism
https://www.readbyqxmd.com/read/28698603/identification-of-differentially-methylated-brca1-and-crisp2-dna-regions-as-blood-surrogate-markers-for-cardiovascular-disease
#9
Geoffrey Istas, Ken Declerck, Maria Pudenz, Katarzyna Szarc Vel Szic, Veronica Lendinez-Tortajada, Montserrat Leon-Latre, Karen Heyninck, Guy Haegeman, Jose A Casasnovas, Maria Tellez-Plaza, Clarissa Gerhauser, Christian Heiss, Ana Rodriguez-Mateos, Wim Vanden Berghe
Genome-wide Illumina InfiniumMethylation 450 K DNA methylation analysis was performed on blood samples from clinical atherosclerosis patients (n = 8) and healthy donors (n = 8) in the LVAD study (NCT02174133, NCT01799005). Multiple differentially methylated regions (DMR) could be identified in atherosclerosis patients, related to epigenetic control of cell adhesion, chemotaxis, cytoskeletal reorganisations, cell proliferation, cell death, estrogen receptor pathways and phagocytic immune responses...
July 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28698526/altered-mitochondrial-metabolism-and-mechanosensation-in-the-failing-heart-focus-on-intracellular-calcium-signaling
#10
REVIEW
Aderville Cabassi, Michele Miragoli
The heart consists of millions of cells, namely cardiomyocytes, which are highly organized in terms of structure and function, at both macroscale and microscale levels. Such meticulous organization is imperative for assuring the physiological pump-function of the heart. One of the key players for the electrical and mechanical synchronization and contraction is the calcium ion via the well-known calcium-induced calcium release process. In cardiovascular diseases, the structural organization is lost, resulting in morphological, electrical, and metabolic remodeling owing the imbalance of the calcium handling and promoting heart failure and arrhythmias...
July 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28698515/post-disaster-food-and-nutrition-from-urban-agriculture-a-self-sufficiency-analysis-of-nerima-ward-tokyo
#11
Giles Bruno Sioen, Makiko Sekiyama, Toru Terada, Makoto Yokohari
Background: Post-earthquake studies from around the world have reported that survivors relying on emergency food for prolonged periods of time experienced several dietary related health problems. The present study aimed to quantify the potential nutrient production of urban agricultural vegetables and the resulting nutritional self-sufficiency throughout the year for mitigating post-disaster situations. Methods: We estimated the vegetable production of urban agriculture throughout the year. Two methods were developed to capture the production from professional and hobby farms: Method I utilized secondary governmental data on agricultural production from professional farms, and Method II was based on a supplementary spatial analysis to estimate the production from hobby farms...
July 10, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28688235/hiv-associated-cardiovascular-disease-role-of-connexin-43
#12
Lisa Prevedel, Camilla Morocho, Michael V L Bennett, Eliseo A Eugenin
Chronic HIV infection due to effective antiretroviral treatment has resulted in a broad range of clinical complications, including accelerated heart disease. Individuals with HIV infection have a 1.5 to 2 times higher incidence of cardiovascular diseases than their uninfected counterparts; however, the underlying mechanisms are poorly understood. To explore the link between HIV infection and cardiovascular diseases, we used postmortem human heart tissues obtained from HIV-infected and control uninfected individuals to examine connexin 43 (Cx43) expression and distribution and HIV-associated inflammation...
July 5, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28686728/regulation-of-platelet-activating-factor-mediated-protein-tyrosine-phosphatase-1b-activation-by-a-janus-kinase-2-calpain-pathway
#13
Geneviève Hamel-Côté, Daniel Gendron, Marek Rola-Pleszczynski, Jana Stankova
Atherosclerosis is a pro-inflammatory condition underlying many cardiovascular diseases. Platelet-activating factor (PAF) and interleukin 6 (IL-6) are actively involved in the onset and progression of atherosclerotic plaques. The involvement of monocyte-derived macrophages is well characterized in the installation of inflammatory conditions in the plaque, but less is known about the contribution of monocyte-derived dendritic cells (Mo-DCs). In the same way, the involvement of calcium, phospholipase C and A2 in PAF-induced IL-6 production, in different cells types, has been shown; however, the importance of the Jak/STAT pathway and its regulation by protein-tyrosine phosphatases in this response have not been addressed...
2017: PloS One
https://www.readbyqxmd.com/read/28686517/clinical-update-osteoporosis-management
#14
Pelin Batur, Sheila Rice, Paola Barrios, Andrea Sikon
The clinical update serves as a brief review of recently published, high-impact, and potentially practice changing journal articles summarized for our readers. Topics include menopause, sexual dysfunction, breast health, contraception, osteoporosis, and cardiovascular disease. In this clinical update, we selected recent publications relevant to osteoporosis management. We highlight articles on the safety of long-term use of denosumab and bisphosphonates, fracture risk after discontinuing menopausal hormone therapy, calcium intake and cardiovascular risk, as well as the value of repeat dual X-ray absorptiometry scanning to monitor those on osteoporosis treatment...
July 7, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28686356/relaxing-responses-to-hydrogen-peroxide-and-nitric-oxide-in-human-pericardial-resistance-arteries-stimulated-with-endothelin-1
#15
Thomas M Leurgans, Maria Bloksgaard, Akhmadjon Irmukhamedov, Lars P Riber, Jo G R De Mey
In human pericardial resistance arteries, effects of the endothelium-dependent vasodilator bradykinin are mediated by NO during contraction induced by K(+) or the TxA2 analogue U46619 and by H2 O2 during contraction by endothelin-1 (ET-1), respectively. We tested the hypotheses that ET-1 reduces relaxing effects of NO and increases those of H2 O2 in resistance artery smooth muscle of patients with cardiovascular disease. Arterial segments, dissected from the parietal pericardium of 39 cardiothoracic surgery patients, were studied by myography during amplitude-matched contractions induced by K(+) , the TXA2 analogue U46619 or ET-1...
July 7, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28684310/selective-inhibition-of-plasma-membrane-calcium-atpase-4-improves-angiogenesis-and-vascular-reperfusion
#16
Sathishkumar Kurusamy, Dolores López-Maderuelo, Robert Little, David Cadagan, Aaron M Savage, Jude C Ihugba, Rhiannon R Baggott, Farjana B Rowther, Sara Martínez-Martínez, Pablo Gómez-Del Arco, Clare Murcott, Weiguang Wang, J Francisco Nistal, Delvac Oceandy, Ludwig Neyses, Robert N Wilkinson, Elizabeth J Cartwright, Juan Miguel Redondo, Angel Luis Armesilla
AIMS: Ischaemic cardiovascular disease is a major cause of morbidity and mortality worldwide. Despite promising results from pre-clinical animal models, VEGF-based strategies for therapeutic angiogenesis have yet to achieve successful reperfusion of ischaemic tissues in patients. Failure to restore efficient VEGF activity in the ischaemic organ remains a major problem in current pro-angiogenic therapeutic approaches. Plasma membrane calcium ATPase 4 (PMCA4) negatively regulates VEGF-activated angiogenesis via inhibition of the calcineurin/NFAT signalling pathway...
July 3, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28682876/treatment-of-severe-fluoroacetamide-poisoning-in-patient-with-combined-multiple-organ-dysfunction-syndrome-by-evidence-based-integrated-chinese-and-western-medicines-a-case-report
#17
Wanxin Wen, Hongxia Gao, Nini Kang, Aili Lu, Caiwen Qian, Yuanqi Zhao
RATIONALE: Fluoroacetamide poisoning is the acute and severe disease of human, which leads to nervous, digestive, and cardiovascular system damage or even death in a short period of time. PATIENT CONCERNS: We report a case of a 65-year-old woman with loss of consciousness, nausea, and vomiting who was sent to the hospital by passers-by. DIAGNOSIS: She was diagnosed with severe fluoroacetamide poisoning with combined multiple organ dysfunction syndrome...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28682040/-imaging-in-ckd
#18
Carlo Ratti, Laura Grassi, Emiliana Ferramosca, Paolo Raggi
Imaging has contributed to the successful reduction of cardiovascular morbidity and mortality in the general population and it has demonstrated excellent potential among patients with chronic kidney disease (CKD). The well-known severity of cardiovascular disease in patients suffering from CKD requires an accurate risk stratification of these patients in several clinical situations. Alterations of both structure and function of the myocardium as well as severe vasculopathy are highly prevalent in patients with advanced CKD...
March 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28679150/microarray-based-bioinformatics-analysis-of-the-combined-effects-of-sinps-and-pbac-on-cardiovascular-system-in-zebrafish
#19
Hejing Hu, Yannan Zhang, Yanfeng Shi, Lin Feng, Junchao Duan, Zhiwei Sun
With rapid development of nanotechnology and growing environmental pollution, the combined toxic effects of SiNPs and pollutants of heavy metals like lead have received global attentions. The aim of this study was to explore the cardiovascular effects of the co-exposure of SiNPs and lead acetate (PbAc) in zebrafish using microarray and bioinformatics analysis. Although there was no other obvious cardiovascular malformation except bleeding phenotype, bradycardia, angiogenesis inhibition and declined cardiac output in zebrafish co-exposed of SiNPs and PbAc at NOAEL level, significant changes were observed in mRNA and microRNA (miRNA) expression patterns...
June 28, 2017: Chemosphere
https://www.readbyqxmd.com/read/28674323/newly-developed-rat-model-of-chronic-kidney-disease-mineral-bone-disorder
#20
Kentaro Watanabe, Hideki Fujii, Shunsuke Goto, Kentaro Nakai, Keiji Kono, Shuhei Watanabe, Masami Shinohara, Shinichi Nishi
AIM: Chronic kidney disease-mineral bone disorder (CKD-MBD) is associated with all-cause and cardiovascular morbidity and mortality in patients with CKD. Thus, elucidating its pathophysiological mechanisms is essential for improving the prognosis. We evaluated characteristics of CKD-MBD in a newly developed CKD rat model. METHODS: We used male Sprague-Dawley (SD) rats and spontaneously diabetic Torii (SDT) rats, which are used as models for nonobese type 2 diabetes...
July 1, 2017: Journal of Atherosclerosis and Thrombosis
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