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Cardiovascular biomarkers: ParuchMD

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17 papers 0 to 25 followers
By John Paruch Combined training in Internal Medicine-Psychiatry with holistic, evidence-based, preventive approach to implementation and promotion of wellness.
https://www.readbyqxmd.com/read/27553421/serum-levels-of-mitochondrial-inhibitory-factor-1-are-independently-associated-with-long-term-prognosis-in-coronary-artery-disease-the-genes-study
#1
Annelise Genoux, Laeticia Lichtenstein, Jean Ferrières, Thibaut Duparc, Vanina Bongard, Paul-Louis Vervueren, Guillaume Combes, Dorota Taraszkiewicz, Meyer Elbaz, Michel Galinier, Bertrand Nassar, Jean-Bernard Ruidavets, Bertrand Perret, Laurent O Martinez
BACKGROUND: Epidemiological and observational studies have established that high-density lipoprotein cholesterol (HDL-C) is an independent negative cardiovascular risk factor. However, simple measurement of HDL-C levels is no longer sufficient for cardiovascular risk assessment. Therefore, there is a critical need for novel non-invasive biomarkers that would display prognostic superiority over HDL-C. Cell surface ecto-F1-ATPase contributes to several athero-protective properties of HDL, including reverse cholesterol transport and vascular endothelial protection...
August 23, 2016: BMC Medicine
https://www.readbyqxmd.com/read/27775552/transcription-factor-etv1-is-essential-for-rapid-conduction-in-the-heart
#2
Akshay Shekhar, Xianming Lin, Fang-Yu Liu, Jie Zhang, Huan Mo, Lisa Bastarache, Joshua C Denny, Nancy J Cox, Mario Delmar, Dan M Roden, Glenn I Fishman, David S Park
Rapid impulse propagation in the heart is a defining property of pectinated atrial myocardium (PAM) and the ventricular conduction system (VCS) and is essential for maintaining normal cardiac rhythm and optimal cardiac output. Conduction defects in these tissues produce a disproportionate burden of arrhythmic disease and are major predictors of mortality in heart failure patients. Despite the clinical importance, little is known about the gene regulatory network that dictates the fast conduction phenotype. Here, we have used signal transduction and transcriptional profiling screens to identify a genetic pathway that converges on the NRG1-responsive transcription factor ETV1 as a critical regulator of fast conduction physiology for PAM and VCS cardiomyocytes...
December 1, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27683536/soluble-st2-and-galectin-3-what-we-know-and-don-t-know-analytically
#3
Thomas Mueller, Benjamin Dieplinger
The proteins soluble ST2 (sST2) and galectin-3 are currently gaining mounting interest as candidate biomarkers in cardiac disease. Both, sST2 and galectin-3 have been included in the 2013 ACCF/AHA guideline for additive risk stratification of patients with acute and chronic heart failure. The aim of this review is to provide information on analytical considerations of measuring circulating sST2 and galectin-3 including knowledge on in vitro stability, biological variation and reference ranges of both analytes...
August 2016: EJIFCC
https://www.readbyqxmd.com/read/27428316/associations-between-accelerometer-assessed-sedentary-behavior-physical-activity-and-objectively-measured-cardiorespiratory-fitness-with-red-blood-cell-distribution-width
#4
Meghan K Edwards, Paul D Loprinzi
BACKGROUND: Emerging work identifies red blood cell distribution width (RDW) as a unique biomarker independently associated with cardiovascular disease and mortality. Encouragingly, recent research demonstrates individual associations of sedentary behavior, physical activity and cardiorespiratory fitness with RDW. However, no study has evaluated their independent and combined associations on RDW, which was this study's purpose. METHODS: Data from the 2003-2004 National Health and Nutrition Examination Survey were used (N=627 adults 20-49yrs)...
October 15, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/12145247/role-of-hyperglycemia-in-nitrotyrosine-postprandial-generation
#5
Antonio Ceriello, Lisa Quagliaro, Barbara Catone, Roberta Pascon, Marta Piazzola, Bruno Bais, Giampiero Marra, Laura Tonutti, Claudio Taboga, Enrico Motz
OBJECTIVE: Recently, much attention has been paid to the possibility that postprandial hyperglycemia may be a cardiovascular risk factor in diabetes. Oxidative stress has been involved in the pathogenesis of diabetic complications, and increased plasma levels of nitrotyrosine, a product of peroxynitrite action, have been found in the plasma of diabetic subjects. The aim of the present study was to evaluate whether postprandial hyperglycemia is accompanied by nitrotyrosine generation and, if so, to explore a possible direct role of hyperglycemia in such a phenomenon...
August 2002: Diabetes Care
https://www.readbyqxmd.com/read/27312221/circulating-proneurotensin-concentrations-and-cardiovascular-disease-events-in-the-community-the-framingham-heart-study
#6
James L Januzzi, Asya Lyass, Yuyin Liu, Hanna Gaggin, April Trebnick, Alan S Maisel, Ralph B D'Agostino, Thomas J Wang, Joseph Massaro, Ramachandran S Vasan
OBJECTIVE: Neurotensin is a peptide whose receptor (sortilin receptor 1) is linked to cardiovascular disease (CVD) development. We hypothesized concentrations of proneurotensin (stable profragment of neurotensin) would predict incident cardiovascular events in community-based subjects. APPROACH AND RESULTS: Blood samples from 3439 participants in the Framingham Heart Study (FHS) Offspring cohort (mean age 59.2 years, 47.1% male) were tested for proneurotensin. Primary outcome of interest was incident hard CVD (myocardial infarction, stroke, and cardiovascular death); interaction between proneurotensin concentration with sex, low-density lipoprotein concentrations, and sortilin receptor 1 single-nucleotide polymorphisms was sought...
August 2016: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/27279347/a-systems-biology-and-proteomics-based-approach-identifies-src-and-vegfa-as-biomarkers-in-risk-factor-mediated-coronary-heart-disease
#7
Alexandar V, Pradeep G Nayar, R Murugesan, Shajahan S, Jayalakshmi Krishnan, Shiek S S J Ahmed
Coronary heart disease (CHD) is the most common cause of death worldwide. The burden of CHD increases with risk factors such as smoking, hypertension, obesity and diabetes. Several studies have demonstrated the association of these classical risk factors with CHD. However, the mechanisms of these associations remain largely unclear due to the complexity of disease pathophysiology and the lack of an integrative approach that fails to provide a definite understanding of molecular linkage. To overcome these problems, we propose a novel systems biology approach that relates causative genes, interactomes and pathways to elucidate the risk factors mediating the molecular mechanisms and biomarkers for feasible diagnosis...
July 19, 2016: Molecular BioSystems
https://www.readbyqxmd.com/read/26822151/genome-wide-association-study-and-targeted-metabolomics-identifies-sex-specific-association-of-cps1-with-coronary-artery-disease
#8
Jaana A Hartiala, W H Wilson Tang, Zeneng Wang, Amanda L Crow, Alexandre F R Stewart, Robert Roberts, Ruth McPherson, Jeanette Erdmann, Christina Willenborg, Stanley L Hazen, Hooman Allayee
Metabolites derived from dietary choline and L-carnitine, such as trimethylamine N-oxide and betaine, have recently been identified as novel risk factors for atherosclerosis in mice and humans. We sought to identify genetic factors associated with plasma betaine levels and determine their effect on risk of coronary artery disease (CAD). A two-stage genome-wide association study (GWAS) identified two significantly associated loci on chromosomes 2q34 and 5q14.1. The lead variant on 2q24 (rs715) localizes to carbamoyl-phosphate synthase 1 (CPS1), which encodes a mitochondrial enzyme that catalyses the first committed reaction and rate-limiting step in the urea cycle...
January 29, 2016: Nature Communications
https://www.readbyqxmd.com/read/27327800/development-and-validation-of-a-protein-based-risk-score-for-cardiovascular-outcomes-among-patients-with-stable-coronary-heart-disease
#9
MULTICENTER STUDY
Peter Ganz, Bettina Heidecker, Kristian Hveem, Christian Jonasson, Shintaro Kato, Mark R Segal, David G Sterling, Stephen A Williams
IMPORTANCE: Precise stratification of cardiovascular risk in patients with coronary heart disease (CHD) is needed to inform treatment decisions. OBJECTIVE: To derive and validate a score to predict risk of cardiovascular outcomes among patients with CHD, using large-scale analysis of circulating proteins. DESIGN, SETTING, AND PARTICIPANTS: Prospective cohort study of participants with stable CHD. For the derivation cohort (Heart and Soul study), outpatients from San Francisco were enrolled from 2000 through 2002 and followed up through November 2011 (≤11...
June 21, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27097956/serum-levels-and-clinical-significance-of-ifn-%C3%AE-and-il-10-in-patients-with-coronary-heart-disease
#10
K Liang, S-R Dong, H Peng
OBJECTIVE: The present study aims to investigate the relationship of IFN-γ and IL-10 with the pathogenesis of coronary heart disease (CHD). PATIENTS AND METHODS: A total of 128 patients with angiographically confirmed CHD were included in CHD group, while 106 patients with no angiographically confirmed coronary artery stenosis were included in the control group. The age and body mass index of patients were documented. Concentrations of total cholesterol (TC), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C) and low-density lipoprotein cholesterol (LDL-C) were measured...
April 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27052059/soluble-urokinase-plasminogen-activation-receptor-an-emerging-new-biomarker-of-cardiovascular-disease-and-critical-illness
#11
Nicole B Cyrille, Pedro A Villablanca, Harish Ramakrishna
Soluble urokinase plasminogen activation receptor (suPAR) is an emerging new biomarker, which has been shown to not only correlate with traditional biomarkers but also outperform CRP at prognosticating CVD. More clinical trials on suPAR is in the future research agenda.
April 2016: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/26991258/soluble-receptor-and-gene-polymorphism-for-age-relationship-with-obesity-and-cardiovascular-risks
#12
Mohamed Rowisha, Manal El-Batch, Thanaa El Shikh, Salwa El Melegy, Hany Aly
BACKGROUND: Obesity in adolescents has quadrupled in the past 30 y. Markers for cardiovascular risks are needed in this population. We hypothesized that soluble receptor for advanced glycation end products (sRAGE) and asymmetric dimethyl arginine (ADMA) can correlate with carotid intima-media thickness (cIMT), a known index of subclinical atherosclerosis. We also aimed to evaluate the frequency of (Gly82Ser) RAGE gene polymorphism in obese adolescents. METHODS: Obese and nonobese adolescents were evaluated in a cross-sectional study for lipid profile, insulin resistance, ADMA, sRAGE, and RAGE gene (Gly 82 Ser) polymorphism...
July 2016: Pediatric Research
https://www.readbyqxmd.com/read/22277951/red-blood-cell-distribution-width-a-strong-prognostic-marker-in-cardiovascular-disease-is-associated-with-cholesterol-content-of-erythrocyte-membrane
#13
Dimitrios Tziakas, Georgios Chalikias, Anastasia Grapsa, Theodora Gioka, Ioannis Tentes, Stavros Konstantinides
OBJECTIVES: Red blood cell distribution width (RDW), a measure of the variability in size of circulating erythrocytes, has recently been shown to be a strong predictor of adverse outcomes in patients with a great spectrum of cardiovascular disease. Recently, cholesterol content of erythrocytes membranes (CEM) has been associated with clinical instability in coronary artery disease whilst it has been linked with red blood cells (RBC) size and shape. Since the biological mechanisms underlying the association of higher RDW with cardiovascular mortality risk are currently unclear, we studied the association of CEM with RDW...
2012: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/26228667/the-risk-of-cardiovascular-events-with-increased-apolipoprotein-ciii-a-systematic-review-and-meta-analysis
#14
REVIEW
Moritz C Wyler von Ballmoos, Bernhard Haring, Frank M Sacks
BACKGROUND: Apolipoprotein CIII (apoC-III) is an atherogenic protein found on HDL, VLDL and LDL. OBJECTIVE: The objective of this study is to review the literature on the association of blood apoC-III level with cardiovascular events and the dose-response relationship for this association. METHODS AND RESULTS: MEDLINE, EMBASE, BIOSIS, CINAHL, Clinicaltrials.gov, grey-literature sources, contact with investigators, and reference lists of studies, without language restrictions, were reviewed...
July 2015: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/26997949/higher-levels-of-cystatin-c-are-associated-with-extracranial-carotid-artery-steno-occlusive-disease-in-patients-with-noncardioembolic-ischemic-stroke
#15
Toshitaka Umemura, Takahiko Kawamura, Shinichi Mashita, Takashi Kameyama, Gen Sobue
BACKGROUND: Large artery atherosclerosis is a major cause of ischemic stroke worldwide. Differential biomarker profiles associated with extra- and intracranial atherosclerosis are a topic of considerable interest. Cystatin C (CysC), a marker of renal function, is a risk factor for cardiovascular disease. AIM: We sought to determine whether CysC levels were associated with extra- and intracranial large artery stenosis (LAS) in patients with acute ischemic stroke...
January 2016: Cerebrovascular Diseases Extra
https://www.readbyqxmd.com/read/26998267/association-of-%C3%AE-glutamyl-transferase-with-premature-coronary-artery-disease
#16
Madankumar Ghatge, Ankit Sharma, Rajani Kanth Vangala
Accumulating evidence from epidemiological studies suggests that higher γ-glutamyl transferase (GGT) levels in the blood are associated with the incident of cardiovascular disease (CVD), including atherosclerosis, and have prognostic importance. However, to the best of our knowledge, the association of the GGT level with premature coronary artery disease (CAD) in an Asian Indian population has not been evaluated. In the present study, 240 (120 unaffected and 120 CAD affected) young subjects (males, ≤45 years and females, ≤50 years) were selected...
March 2016: Biomedical Reports
https://www.readbyqxmd.com/read/26505215/rap1-induces-cytokine-production-in-pro-inflammatory-macrophages-through-nf%C3%AE%C2%BAb-signaling-and-is-highly-expressed-in-human-atherosclerotic-lesions
#17
Yin Cai, Galina K Sukhova, Hoi Kin Wong, Aimin Xu, Vinay Tergaonkar, Paul M Vanhoutte, Eva Hoi Ching Tang
Repressor activator protein 1 (Rap1) is essential for maintaining telomere length and structural integrity, but it also exerts other non-telomeric functions. The present study tested the hypothesis that Rap1 is released into the cytoplasm and induces production of pro-inflammatory cytokines via nuclear factor kappa B (NFκB) signaling in macrophages, a cell type involved in the development and progression of atherosclerotic lesions. Western blotting analysis confirmed that Rap1 was present in the cytoplasm of differentiated human monocytic leukemia cells (THP-1, a macrophage-like cell line)...
2015: Cell Cycle
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