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metabolism and heart failure

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https://www.readbyqxmd.com/read/28109123/sodium-butyrate-protects-against-high-fat-diet-induced-cardiac-dysfunction-and-metabolic-disorders-in-type-ii-diabetic-mice
#1
Ling Zhang, Jianfeng Du, Naohiro Yano, Hao Wang, Yu Tina Zhao, Dubielecka-Szczerba Patricia, Shougang Zhuang, Eugene Y Chin, Gangjian Qin, Ting C Zhao
Histone deacetylases are recently identified to act as key regulators for cardiac pathophysiology and metabolic disorders. However, the function of histone deacetylase (HDAC) in controlling cardiac performance in type II diabetes and obesity remains unknown. Here we determine whether HDAC inhibition attenuates high fat diet (HFD)-induced cardiac dysfunction and improves metabolic features. Adult mice were fed with either HFD or standard chow food for 24 weeks. Starting at 12 weeks, mice were divided into four groups randomly, in which sodium butyrate (1%), a potent HDAC inhibitor, was provided to chow and HFD-fed mice in drinking water, respectively...
January 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28107252/multimorbidity-and-the-risk-of-all-cause-30-day-readmission-in-the-setting-of-multidisciplinary-management-of-chronic-heart-failure-a-retrospective-analysis-of-830-hospitalized-patients-in-australia
#2
Joshua F Wiley, Yih-Kai Chan, Yasmin Ahamed, Jocasta Ball, Melinda J Carrington, Barbara Riegel, Simon Stewart
BACKGROUND: Multimorbidity has an adverse effect on health outcomes in hospitalized individuals with chronic heart failure (CHF), but the modulating effect of multidisciplinary management is unknown. OBJECTIVE: The aim of this study was to test the hypothesis that increasing morbidity would independently predict an increasing risk of 30-day readmission despite multidisciplinary management of CHF. METHODS: We studied patients hospitalized for any reason with heart failure receiving nurse-led, postdischarge multidisciplinary management...
January 20, 2017: Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/28102478/influence-of-inflammation-and-atherosclerosis-in-atrial-fibrillation
#3
REVIEW
Rose Mary Ferreira Lisboa da Silva
BACKGROUND: Inflammation markers have been associated with cardiovascular diseases including atrial fibrillation. This arrhythmia is the most frequent, with an incidence of 38/1000 person-years. PURPOSE OF REVIEW: The aims of this study are to discuss the association between inflammation, atherosclerosis and atrial fibrillation and its clinical implications. Atherosclerosis is a chronic inflammatory disease and inflammation is a triggering factor of atherosclerotic plaque rupture...
January 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28101782/the-antineoplastic-drug-trastuzumab-dysregulates-metabolism-in-ipsc-derived-cardiomyocytes
#4
Brian M Necela, Bianca C Axenfeld, Daniel J Serie, Jennifer M Kachergus, Edith A Perez, E Aubrey Thompson, Nadine Norton
BACKGROUND: The targeted ERBB2 therapy, trastuzumab, has had a tremendous impact on management of patients with HER2+ breast cancer, leading to development and increased use of further HER2 targeted therapies. The major clinical side effect is cardiotoxicity but the mechanism is largely unknown. On the basis that gene expression is known to be altered in multiple models of heart failure, we examined differential gene expression of iPSC-derived cardiomyocytes treated at day 11 with the ERBB2 targeted monoclonal antibody, trastuzumab for 48 h and the small molecule tyrosine kinase inhibitor of EGFR and ERBB2...
December 2017: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/28092620/correlation-between-peripheral-blood-cell-transcriptomic-profile-and-clinical-parameters-of-chronic-mitral-valve-disease-in-dachshunds
#5
M Garncarz, M Hulanicka, H Maciejewski, M Parzeniecka-Jaworska, M Jank
Studies identifying specific pathologically expressed genes have been performed on diseased myocardial tissue samples, however less invasive studies on gene expression of peripheral blood mononucleated cells give promising results. This study assessed transcriptomic data that may be used to evaluate Dachshunds with chronic mitral valve disease. Dachshunds with different stages of heart disease were compared to a control, healthy group. Microarray data analysis revealed clusters of patients with similar expression profiles...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28090760/expression-patterns-of-cardiac-aging-in-drosophila
#6
Leah Cannon, Alexander C Zambon, Anthony Cammarato, Zhi Zhang, Georg Vogler, Matthew Munoz, Erika Taylor, Jérôme Cartry, Sanford I Bernstein, Simon Melov, Rolf Bodmer
Aging causes cardiac dysfunction, often leading to heart failure and death. The molecular basis of age-associated changes in cardiac structure and function is largely unknown. The fruit fly, Drosophila melanogaster, is well-suited to investigate the genetics of cardiac aging. Flies age rapidly over the course of weeks, benefit from many tools to easily manipulate their genome, and their heart has significant genetic and phenotypic similarities to the human heart. Here, we performed a cardiac-specific gene expression study on aging Drosophila and carried out a comparative meta-analysis with published rodent data...
February 2017: Aging Cell
https://www.readbyqxmd.com/read/28088910/sodium-glucose-cotransporter-2-inhibitors-sglt2i-their-role-in-cardiometabolic-risk-management
#7
Niki Katsiki, Dimitri P Mikhailidis, Michael J Theodorakis
BACKGROUND: Sodium-glucose cotransporter 2 inhibitors (SGLT2i) are a novel category of oral antidiabetic drugs that inhibit renal glucose reabsorption and increase renal glucose excretion, thus lowering plasma glucose levels. This unique mechanism of SGLT2i action is insulin independent, thus improving glycemic control without promoting hypoglycemia in the absence of exogenously administered insulin. METHODS: The present narrative review addresses the putative associations between SGLT2i and several cardiovascular (CV) and microvascular risk factors, as well as their effects on cardiac and renal function...
January 13, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28076404/combined-inhibition-of-the-renin-angiotensin-system-and-neprilysin-positively-influences-complex-mitochondrial-adaptations-in-progressive-experimental-heart-failure
#8
Laura Grois, Julian Hupf, Jörg Reinders, Josef Schröder, Alexander Dietl, Peter M Schmid, Carsten Jungbauer, Markus Resch, Lars S Maier, Andreas Luchner, Christoph Birner
BACKGROUND: Inhibitors of the renin angiotensin system and neprilysin (RAS-/NEP-inhibitors) proved to be extraordinarily beneficial in systolic heart failure. Furthermore, compelling evidence exists that impaired mitochondrial pathways are causatively involved in progressive left ventricular (LV) dysfunction. Consequently, we aimed to assess whether RAS-/NEP-inhibition can attenuate mitochondrial adaptations in experimental heart failure (HF). METHODS AND RESULTS: By progressive right ventricular pacing, distinct HF stages were induced in 15 rabbits, and 6 animals served as controls (CTRL)...
2017: PloS One
https://www.readbyqxmd.com/read/28068900/galectin-3-and-fibulin-1-in-systolic-heart-failure-relation-to-glucose-metabolism-and-left-ventricular-contractile-reserve
#9
Pernille Holmager, Michael Egstrup, Ida Gustafsson, Morten Schou, Jordi S Dahl, Lars Melholt Rasmussen, Jacob E Møller, Christian Tuxen, Jens Faber, Caroline Kistorp
BACKGROUND: Heart failure (HF) patients with diabetes (DM) have an adverse prognosis and reduced functional capacity, which could be associated with cardiac fibrosis, increased chamber stiffness and reduced left ventricular (LV) contractile reserve. Galectin-3 (Gal-3) and fibulin-1 are circulating biomarkers potentially reflecting cardiac fibrosis. We hypothesize that plasma levels of Gal-3 and fibulin-1 are elevated in HF patients with DM and are associated with reduced LV contractile reserve in these patients...
January 10, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28067471/traditional-and-novel-tools-to-probe-the-mitochondrial-metabolism-in-health-and-disease
#10
REVIEW
Yanfei Zhang, José L Avalos
Mitochondrial metabolism links energy production to other essential cellular processes such as signaling, cellular differentiation, and apoptosis. In addition to producing adenosine triphosphate (ATP) as an energy source, mitochondria are responsible for the synthesis of a myriad of important metabolites and cofactors such as tetrahydrofolate, α-ketoacids, steroids, aminolevulinic acid, biotin, lipoic acid, acetyl-CoA, iron-sulfur clusters, heme, and ubiquinone. Furthermore, mitochondria and their metabolism have been implicated in aging and several human diseases, including inherited mitochondrial disorders, cardiac dysfunction, heart failure, neurodegenerative diseases, diabetes, and cancer...
January 9, 2017: Wiley Interdisciplinary Reviews. Systems Biology and Medicine
https://www.readbyqxmd.com/read/28062938/mineral-metabolism-and-cardiovascular-disease-in-ckd
#11
REVIEW
Hideki Fujii, Nobuhiko Joki
The mineral bone disorder of CKD, called Chronic Kidney Disease-Mineral and Bone Disorder (CKD-MBD), has a major role in the etiology and progression of cardiovascular disease in CKD patients. Since the main emphasis in CKD-MBD is on three categories (bone abnormalities, laboratory abnormalities, and vascular calcifications), we have routinely accepted ectopic cardiovascular calcifications as a central risk factor in the pathophysiology of CKD-MBD for cardiac events. However, recent compelling evidence suggests that some CKD-MBD-specific factors other than vascular calcification might contribute to the onset of cardiovascular disease...
January 6, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28062676/associations-of-conventional-echocardiographic-measures-with-incident-heart-failure-and-mortality-the-chronic-renal-insufficiency-cohort
#12
Ruth F Dubin, Rajat Deo, Nisha Bansal, Amanda H Anderson, Peter Yang, Alan S Go, Martin Keane, Ray Townsend, Anna Porter, Matthew Budoff, Shaista Malik, Jiang He, Mahboob Rahman, Jackson Wright, Thomas Cappola, Radhakrishna Kallem, Jason Roy, Daohang Sha, Michael G Shlipak
BACKGROUND AND OBJECTIVES: Heart failure is the most frequent cardiac complication of CKD. Left ventricular hypertrophy is common and develops early in CKD, but studies have not adequately evaluated the association of left ventricular mass index with heart failure incidence among men and women with CKD. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We evaluated echocardiograms of 2567 participants without self-reported heart failure enrolled in the Chronic Renal Insufficiency Cohort Study...
January 6, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28062623/a-novel-lipid-biomarker-panel-for-the-detection-of-heart-failure-with-reduced-ejection-fraction
#13
Matthias Mueller-Hennessen, Hans-Dirk Düngen, Matthias Lutz, Tobias Daniel Trippel, Michael Kreuter, Johanna Sigl, Oliver J Müller, Elvis Tahirovic, Henning Witt, Philipp Ternes, Susan Carvalho, Erik Peter, Dietrich Rein, Philipp Schatz, Felix Herth, Evangelos Giannitsis, Tanja Weis, Norbert Frey, Hugo A Katus
OBJECTIVES: In this study we aimed to identify novel metabolomic biomarkers suitable for improved diagnosis of heart failure with reduced ejection fraction (HFrEF). METHODS: We prospectively recruited 887 individuals consisting of HFrEF patients with either ischemic (ICMP, n = 257) or nonischemic cardiomyopathy (NICMP, n = 269), healthy controls (n = 327), and patients with pulmonary diseases (n = 34). A single-center identification (n = 238) was followed by a multicenter confirmation study (n = 649)...
January 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28062415/cardiomyocyte-specific-ablation-of-cd36-accelerates-the-progression-from-compensated-cardiac-hypertrophy-to-heart-failure
#14
Miranda M Sung, Nikole J Byrne, Ty T Kim, Jody Levasseur, Grant Masson, Jamie Boisvenue, Maria Febbraio, Jason R B Dyck
Previous studies have shown that loss of CD36 protects the heart from dysfunction induced by pressure overload in the presence of diet-induced insulin resistance and/or obesity. The beneficial effects of CD36 ablation in this context are mediated by preventing excessive cardiac fatty acid (FA) entry and reducing lipotoxic injury. However, whether or not the loss of CD36 can prevent pressure overload-induced cardiac dysfunction in the absence of chronic exposure to high circulating FAs is currently unknown. To address this, we utilized a tamoxifen inducible cardiomyocyte-specific CD36 knockout (icCD36KO) mouse and genetically deleted CD36 in adulthood...
January 6, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28060255/a-model-of-cardiac-remodeling-through-constriction-of-the-abdominal-aorta-in-rats
#15
Hui-Chun Ku, Shih-Yi Lee, Yuan-Kun Aden Wu, Kai-Chien Yang, Ming-Jai Su
Heart failure is one of the leading causes of death worldwide. It is a complex clinical syndromethat includes fatigue, dyspnea, exercise intolerance, and fluid retention. Changes in myocardial structure, electrical conduction, and energy metabolism develop with heart failure, leading to contractile dysfunction, increased risk of arrhythmias, and sudden death. Hypertensive heart disease is one of the key contributing factors of cardiac remodeling associated with heart failure. The most commonly-used animal model mimicking hypertensive heart disease is created via surgical interventions, such as by narrowing the aorta...
December 2, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28059859/pro-inflammatory-cytokines-mediate-gpcr-dysfunction
#16
Maradumane L Mohan, Neelakantan T Vasudevan, Sathyamangla V Naga Prasad
Pro-inflammatory reaction by the body occurs acutely in response to injury that is considered primarily beneficial. However, sustained pro-inflammatory cytokines observed with chronic pathologies such as metabolic syndrome, cancer, and arthritis are detrimental and in many cases is a major cardio-vascular risk factor. Pro-inflammatory cytokines such as interleulin-1 (IL-1), IL-6, and tumor necrosis factor α (TNFα) have long been implicated in cardiovascular risk and considered to be a major underlying cause for heart failure...
December 24, 2016: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28052965/the-sglt2-inhibitor-dapagliflozin-prevents-cardiomyopathy-in-a-diabetic-lipodystrophic-mouse-model
#17
Michael Joubert, Benoît Jagu, David Montaigne, Xavier Marechal, Angela Tesse, Audrey Ayer, Lucile Dollet, Cédric Le May, Gilles Toumaniantz, Alain Manrique, Flavien Charpentier, Bart Staels, Jocelyne Magré, Bertand Cariou, Xavier Prieur
Type 2 diabetes mellitus (T2DM) is a well-recognized independent risk factor for heart failure (HF). T2DM is associated with altered cardiac energy metabolism, leading to ectopic lipid accumulation and glucose overload, the exact contribution of these two parameters remaining unclear. To provide new insight into the mechanism driving the development of diabetic cardiomyopathy, we studied a unique model of T2DM: lipodystrophic Bscl2(-/-) (seipin knockout (SKO)) mice. Echocardiography and cardiac magnetic resonance imaging revealed hypertrophic cardiomyopathy with left ventricular dysfunction in SKO mice and these two abnormalities were strongly correlated with hyperglycemia...
January 4, 2017: Diabetes
https://www.readbyqxmd.com/read/28043708/emerging-roles-of-sodium-glucose-cotransporter-2-inhibitors-in-cardiology
#18
REVIEW
Atsushi Tanaka, Koichi Node
The ultimate goal of treatment in people with diabetes mellitus is to prevent development of cardiovascular (CV) disease, resulting in prolongation of healthy life expectancy. Although impaired glycemic metabolism has a central role in its pathology, a number of studies have demonstrated that remedy for its imbalance cannot necessarily be accomplished as a therapeutic goal. A comprehensive medical approach against multi-factorial pathologies in diabetes, such as insulin resistance, obesity, hypertension, and dyslipidemia, in addition to diet and exercise therapy should be rather performed in the routine clinical setting...
December 30, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/28040402/subclinical-hypothyroidism-lipid-metabolism-and-cardiovascular-disease
#19
REVIEW
Alessandro P Delitala, Giuseppe Fanciulli, Margherita Maioli, Giuseppe Delitala
Subclinical hypothyroidism is defined by elevated serum thyrotropin in presence of normal free thyroid hormones. Lipid metabolism is influenced by thyroid hormone and many reports showed that lipids status worsen along with TSH level. Subclinical hypothyroidism has been also linked to other cardiovascular risk factors such as alteration in blood pressure and increased atherosclerosis. Further evidences suggested that mild dysfunction of thyroid gland is associated with metabolic syndrome and heart failure. Thyrotropin level seems the best predictor of cardiovascular disease, in particular when its levels are above 10mU/L...
December 28, 2016: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28034463/glucose-transporters-in-healthy-heart-and-in-cardiac-disease
#20
REVIEW
Leszek Szablewski
Heart consumes more energy than any other organ. It can utilize various metabolic substrates as a source of energy. The primary substrates are free fatty acids, especially long-chain fatty acids and glucose. The lipid bilayer of plasmalemma is impermeable for glucose. Therefore, glucose transport across the plasma membrane is mediated via glucose transporters. In human, cardiac cells are expressed as 2 families of glucose transporters: GLUTs and SGLTs. These transport proteins are GLUT1, GLUT3, GLUT8, GLUT10, GLUT11, GLUT12 and SGLT1...
December 21, 2016: International Journal of Cardiology
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