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cardiomyopathy DM

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https://www.readbyqxmd.com/read/27905927/characteristics-and-outcomes-of-diabetic-patients-with-an-implantable-cardioverter-defibrillator-in-a-real-world-setting-results-from-the-israeli-icd-registry
#1
Hillel Steiner, Michael Geist, Ilan Goldenberg, Mahmoud Suleiman, Michael Glikson, Alexander Tenenbaum, Moshe Swissa, Enrique Z Fisman, Gregory Golovchiner, Boris Strasberg, Alon Barsheshet
AIMS: There are limited data regarding the effect of diabetes mellitus (DM) on the risks of both appropriate and inappropriate implantable cardioverter defibrillator (ICD) therapy. The present study was designed to compare the outcome of appropriate and inappropriate ICD therapy in patients with or without DM. METHODS AND RESULTS: The risk of a first appropriate ICD therapy for ventricular tachyarrhythmias (including anti tachycardia pacing and shock) was compared between 764 DM and 1346 non-DM patients enrolled in the national Israeli ICD registry...
December 1, 2016: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/27901470/sinomenine-prevents-the-development-of-cardiomyopathy-in-diabetic-rats-by-inhibiting-inflammatory-responses-and-blocking-activation-of-nf-%C3%AE%C2%BAb
#2
Cheng Jiang, Yun-Long Tong, Dan Zhang, Li-Zhi Liu, Ju-Fei Wang
Diabetic cardiomyopathy is a severe complication of diabetes mellitus (DM). The goal of current work was to study the effects of sinomenine on streptozotocin-induced cardiomyopathy in rats. DM in rats was induced by intraperitoneal injection of streptozotocin. Cardiac function was evaluated by measuring left ventricle end-diastolic diameter, left ventricle end-systolic diameter and ejection fraction. Cardiac inflammation was evaluated by the degree of infiltration of T lymphocytes and the levels of pro-inflammatory cytokines...
November 30, 2016: General Physiology and Biophysics
https://www.readbyqxmd.com/read/27894255/silent-diabetic-cardiomyopathy-in-everyday-practice-a-clinical-and-echocardiographic-study
#3
Brane Loncarevic, Danijela Trifunovic, Ivan Soldatovic, Bosiljka Vujisic-Tesic
BACKGROUND: Whether type 2 diabetes mellitus (DM) in the absence of hypertension (HTA) and coronary artery disease (CAD) affects left ventricular (LV) phenotype and function among asymptomatic DM patients that can be easily discovered in everyday practice, what is the clinical risk profile for diabetic cardiomyopathy and how HTA and CAD modulate LV structure and function above diabetic cardiomyopathy, are still incompletely answered questions. METHODS: In 210 DM patients (group I: 70 asymptomatic DM patients without HTA and CAD; group II: 70 DM patients with HTA and no CAD; group III: 70 DM patients with CAD and no HTA) and 80 healthy individuals, comprehensive echocardiography including speckle tracking strain and strain rate analysis, was done...
November 29, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27882442/the-effects-of-zofenopril-on-cardiac-function-and-pro-oxidative-parameters-in-the-streptozotocin-induced-diabetic-rat-heart
#4
Petar Ristic, Ivan Srejovic, Tamara Nikolic, Isidora Stojic, Dragana Ristic, Vladimir Zivkovic, Vladimir Lj Jakovljevic
Diabetes mellitus is a chronic condition that continues to increase in both incidence and prevalence. Renin-Angiotensin-Aldosterone System is one of the main modulators of chronic hyperglycaemia and, thus, its influence on tissues. Hyperglycaemia-induced oxidative stress is an important factor in diabetic cardiomyopathy. The present study was carried out on 24 adult male Wistar albino rats (8-week-old and with body masses of 190 ± 10 g). We evaluated the influence of acute administration of zofenopril on ex vivo myocardial function from rats with streptozotocin-induced diabetes mellitus, with a special emphasis on cardiodynamic and oxidative stress parameters in diabetic rat hearts...
November 24, 2016: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/27780169/the-effects-of-carvedilol-on-cardiac-function-and-the-akt-xiap-signaling-pathway-in-diabetic-cardiomyopathy-rats
#5
Wencheng Zheng, Xiaoming Shang, Chunlai Zhang, Xiang Gao, Barry Robinson, Jing Liu
OBJECTIVES: Diabetic cardiomyopathy (DCM) is characterized by cardiac dysfunction, myocardial inflammation, interstitial fibrosis and cardiomyocytes apoptosis. The present study aimed to investigate the effects of carvedilol on cardiac function and the AKT/XIAP signaling pathway in DCM rats. METHODS: Male Wistar rats were randomly divided into 3 groups: the control group, diabetic mellitus (DM) group and DM with carvedilol treatment group. DM rats were induced by streptozotocin accompanied by high energy intake...
October 26, 2016: Cardiology
https://www.readbyqxmd.com/read/27628899/2-5-dimethylcelecoxib-prevents-pressure-induced-left-ventricular-remodeling-through-gsk-3-activation
#6
Ai Fujita, Fumi Takahashi-Yanaga, Sachio Morimoto, Tatsuya Yoshihara, Masaki Arioka, Kazunobu Igawa, Katsuhiko Tomooka, Sumio Hoka, Toshiyuki Sasaguri
Glycogen synthase kinase-3 (GSK-3) is a crucial regulator of cardiac hypertrophy. We previously reported that 2,5-dimethylcelecoxib (DM-celecoxib), a celecoxib derivative unable to inhibit cyclooxygenase-2, prevented cardiac remodeling by activating GSK-3, resulting in lifespan prolongation in a mouse model of genetic dilated cardiomyopathy. In the present study, we investigated whether DM-celecoxib can also prevent pressure-induced cardiac remodeling and heart failure, elicited by transverse aortic constriction (TAC)...
September 15, 2016: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/27622411/layer-specific-myocardial-strain-analysis-investigation-of-regional-deformation-in-a-rabbit-model-of-diabetes-mellitus-during-different-stages
#7
Ying-Yan Qiao, Mu Zeng, Rong-Juan Li, Zhao-Ting Leng, Jiao Yang, Ya Yang
AIM: The purpose of the present study was to determine the characteristics of myocardial damage at different stages of diabetes mellitus (DM) using layer-specific myocardial strain. MATERIAL AND METHODS: Thirty six New Zealand white rabbits were randomly divided into either the control group (n =18) or the DM group (induced with alloxan) (n=18). For the myocardial deformation studies echocardiography and layer-specific strain were performed at baseline and after 3, 6, and 9 months in all of the rabbits...
September 2016: Medical Ultrasonography
https://www.readbyqxmd.com/read/27585437/apocynin-influence-on-oxidative-stress-and-cardiac-remodeling-of-spontaneously-hypertensive-rats-with-diabetes-mellitus
#8
C M Rosa, R Gimenes, D H S Campos, G N Guirado, C Gimenes, A A H Fernandes, A C Cicogna, R M Queiroz, I Falcão-Pires, D Miranda-Silva, P Rodrigues, F R Laurindo, D C Fernandes, C R Correa, M P Okoshi, K Okoshi
PURPOSE: Although increased oxidative stress is a major component of diabetic hypertensive cardiomyopathy, research into the effects of antioxidants on cardiac remodeling remains scarce. The actions of antioxidant apocynin include inhibiting reactive oxygen species (ROS) generation by nicotinamide adenine dinucleotide phosphate (NADPH) oxidases and ROS scavenging. We evaluated the effects of apocynin on cardiac remodeling in spontaneously hypertensive rats (SHR) with diabetes mellitus (DM)...
2016: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/27561793/1-25-oh-2-d3-improves-cardiac-dysfunction-hypertrophy-and-fibrosis-through-parp1-sirt1-mtor-related-mechanisms-in-type-1-diabetes
#9
Hua Qu, Ke Lin, Hang Wang, Huili Wei, Baolan Ji, Zengsong Yang, Chuan Peng, Xiaoqiu Xiao, Huacong Deng
SCOPE: Diabetic cardiomyopathy is one of the most important cardiac complications associated with diabetes. However, the mechanisms underlying diabetic cardiomyopathy remain unclear. The PARP1, SIRT1, and mTOR pathways have been implicated in cardiac diseases, and they are also associated with diabetes. 1,25(OH)2 D3 was recently recognized as a potential PARP1inhibitor in a macrophage cell line. The aim of our study was to investigate whether 1,25(OH)2 D3 can improve diabetic cardiomyopathy through a vitamin D receptor (VDR)-dependent mechanism associated with the PARP1/SIRT1/mTOR pathway...
August 26, 2016: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/27535260/metalloproteinase-changes-in-diabetes
#10
Bento João Abreu, Wouber Hérickson de Brito Vieira
Matrix metalloproteinases (MMPs) constitute a group of over 20 structurally-related proteins which include a Zn(++) ion binding site that is essential for their proteolytic activities. These enzymes play important role in extracellular matrix turnover in order to maintain a proper balance in its synthesis and degradation. MMPs are associated to several physiological and pathophysiological processes, including diabetes mellitus (DM). The mechanisms of DM and its complications is subject of intense research and evidence suggests that MMPs are implicated with the development and progression of diabetic microvascular complications such as nephropathy, cardiomyopathy, retinopathy and peripheral neuropathy...
2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27521423/left-ventricular-pressure-volume-measurements-and-myocardial-gene-expression-profile-in-type-2-diabetic-goto-kakizaki-rats
#11
Sevil Korkmaz-Icöz, Alice Lehner, Shiliang Li, Adrian Vater, Tamás Radovits, Maik Brune, Mihály Ruppert, Xiaoxin Sun, Paige Brlecic, Markus Zorn, Matthias Karck, Gábor Szabó
The Goto-Kakizaki (GK) rat, a non-obese model of type 2 diabetes mellitus (T2DM), was generated by the selective inbreeding of glucose-intolerant Wistar rats. This is a convenient model for studying diabetes-induced cardiomyopathy independently from the effects of the metabolic syndrome. We investigated the myocardial functional and structural changes and underlying molecular pathomechanisms of short-term and mild T2DM. The presence of DM was confirmed by an impaired oral glucose tolerance in the GK rats compared with the age-matched nondiabetic Wistar rats...
October 1, 2016: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/27508602/-op-1d-04-subclinical-left-ventricular-diastolic-dysfunction-and-incident-type-2-diabetes-mellitus-a-community-based-cohort-study
#12
S Kim, J S Kim, S Y Lim, C Shin, H E Lim, C U Chol, S Y Suh, J Park
OBJECTIVE: Subclinical left ventricular (LV) diastolic dysfunction in diabetes mellitus (DM) is a common finding and represent an early sign of diabetic cardiomyopathy. Yet, the relations of LV diastolic dysfunction and incidence of type 2 DM remain undefined. DESIGN AND METHOD: We followed up 1817 non-diabetic participants (mean age, 54 years; 48% men) free of cardiovascular disease from the Korean Genome and Epidemiology Study biennially for 6 years. LV structure and function were measured by tissue Doppler imaging echocardiography...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27446205/hdac-inhibition-modulates-cardiac-ppars-and-fatty-acid-metabolism-in-diabetic-cardiomyopathy
#13
Ting-I Lee, Yu-Hsun Kao, Wen-Chin Tsai, Cheng-Chih Chung, Yao-Chang Chen, Yi-Jen Chen
Peroxisome proliferator-activated receptors (PPARs) regulate cardiac glucose and lipid homeostasis. Histone deacetylase (HDAC) inhibitor has anti-inflammatory effects which may play a key role in modulating PPARs and fatty acid metabolism. The aim of this study was to investigate whether HDAC inhibitor, MPT0E014, can modulate myocardial PPARs, inflammation, and fatty acid metabolism in diabetes mellitus (DM) cardiomyopathy. Electrocardiography, echocardiography, and western blotting were used to evaluate the electrophysiological activity, cardiac structure, fatty acid metabolism, inflammation, and PPAR isoform expressions in the control and streptozotocin-nicotinamide-induced DM rats with or without MPT0E014...
2016: PPAR Research
https://www.readbyqxmd.com/read/27385281/impaired-mechanics-of-left-ventriculo-atrial-coupling-in-patients-with-diabetic-nephropathy
#14
Yasuhide Mochizuki, Hidekazu Tanaka, Kensuke Matsumoto, Hiroyuki Sano, Hiroyuki Shimoura, Junichi Ooka, Takuma Sawa, Keiko Ryo-Koriyama, Yushi Hirota, Wataru Ogawa, Ken-Ichi Hirata
BACKGROUND: Diabetic nephropathy is independently associated with longitudinal systolic dysfunction of the left ventricle (LV) in asymptomatic diabetes mellitus (DM) patients with preserved LV ejection fraction (LVEF). However, the effect of diabetic nephropathy on left atrial (LA) function remains unknown. METHODS AND RESULTS: We studied 198 asymptomatic DM patients (LVEF ≥50%). Diabetic nephropathy was defined as a protein level higher than for micro-albuminuria...
August 25, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/27358682/coronary-artery-anomalies-overview-the-normal-and-the-abnormal
#15
REVIEW
Adriana Dm Villa, Eva Sammut, Arjun Nair, Ronak Rajani, Rodolfo Bonamini, Amedeo Chiribiri
The aim of this review is to give a comprehensive and concise overview of coronary embryology and normal coronary anatomy, describe common variants of normal and summarize typical patterns of anomalous coronary artery anatomy. Extensive iconography supports the text, with particular attention to images obtained in vivo using non-invasive imaging. We have divided this article into three groups, according to their frequency in the general population: Normal, normal variant and anomaly. Although congenital coronary artery anomalies are relatively uncommon, they are the second most common cause of sudden cardiac death among young athletes and therefore warrant detailed review...
June 28, 2016: World Journal of Radiology
https://www.readbyqxmd.com/read/27346130/mir-483-3p-regulates-hyperglycaemia-induced-cardiomyocyte-apoptosis-in-transgenic-mice
#16
Yu Qiao, Yanli Zhao, Yan Liu, Ning Ma, Chuxuan Wang, Jiaqi Zou, Zhiyan Liu, Zhongqiu Zhou, Dong Han, Jun He, Qian Sun, Yicong Liu, Changqing Xu, Zhimin Du, Hui Huang
Diabetic cardiomyopathy represents severe heart complications, and is the leading cause of morbidity and mortality among patients with diabetes. Although a few microRNAs (miRNAs) have been implicated in diabetes-related complications, a functional association between miRNAs and cardiac dysfunction in diabetic cardiomyopathy remains to be demonstrated. Our results show that miR-483-3p is upregulated in streptozotocin-induced diabetic mice, and cultured cardiomyocytes mimicking hyperglycemia. Overexpressing miR-483-3p in transgenic mice with diabetes mellitus (DM) exacerbated cardiomyocyte apoptosis by transcriptionally repressing insulin growth factor 1 (IGF1)...
September 2, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27273517/increased-4-hydroxy-2-nonenal-induced-proteasome-dysfunction-is-correlated-with-cardiac-damage-in-streptozotocin-injected-rats-with-isoproterenol-infusion
#17
Mandar Deshpande, Vishal R Mali, Guodong Pan, Jiang Xu, Xiao-Ping Yang, Rajarajan A Thandavarayan, Suresh Selvaraj Palaniyandi
Increase in 4-hydroxy-2-nonenal (4HNE) due to oxidative stress has been observed in a variety of cardiac diseases such as diabetic cardiomyopathy. 4HNE exerts a damaging effect in the myocardium by interfering with subcellular organelles like mitochondria by forming adducts. Therefore, we hypothesized that increased 4HNE adduct formation in the heart results in proteasome inactivation in isoproterenol (ISO)-infused type 1 diabetes mellitus (DM) rats. Eight-week-old male Sprague Dawley rats were injected with streptozotocin (STZ, 65 mg kg(-1) )...
July 2016: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/27195451/worse-cardiac-remodeling-in-response-to-pressure-overload-in-type-2-diabetes-mellitus
#18
N Gonçalves, C Gomes-Ferreira, C Moura, R Roncon-Albuquerque, A F Leite-Moreira, I Falcão-Pires
BACKGROUND: Diabetic cardiomyopathy is characterized by cardiac structural and functional abnormalities. Additionally, chronic pressure overload conditions are highly prevalent amongst diabetic population and this association leads to a more severe myocardial impairment. The differences in myocardial pathophysiology between type 1 and type 2 diabetes mellitus (DM) still remain to be clarified. Thus, we aimed to investigate biventricular structural and functional changes promoted by the two types of DM and the impact of concomitant chronic pressure overload...
August 15, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27167338/matricellular-protein-ccn1-mediates-doxorubicin-induced-cardiomyopathy-in-mice
#19
Pei-Ling Hsu, Fan-E Mo
Doxorubicin (DOX) is an effective chemotherapeutic agent however its clinical use is limited by its cumulative cardiotoxicity. Matricellular protein CCN1 mediates work-overload-induced cardiac injury. We aimed to assess the role of CCN1 in DOX-associated cardiomyopathy. Here we discovered CCN1 expression in the myocardium 1 day after DOX treatment (15 mg/kg; i.p.) in mice. Whereas CCN1 synergizes with Fas ligand (FasL) to induce cardiomyocyte apoptosis, we found that FasL was also induced by DOX in the heart...
June 14, 2016: Oncotarget
https://www.readbyqxmd.com/read/27160937/nobiletin-attenuates-cardiac-dysfunction-oxidative-stress-and-inflammatory-in-streptozotocin-induced-diabetic-cardiomyopathy
#20
Ning Zhang, Zheng Yang, Shi-Zhao Xiang, Ya-Ge Jin, Wen-Ying Wei, Zhou-Yan Bian, Wei Deng, Qi-Zhu Tang
Diabetic cardiomyopathy, characterized by the presence of diastolic and/or systolic myocardial dysfunction, is one of the major causes of heart failure. Nobiletin, which is extracted from the fruit peel of citrus, is reported to possess anti-inflammatory, anti-oxidative, and hypolipidemic properties. The purpose of this study was to investigate whether nobiletin exerts the therapeutic effect on streptozotocin-induced diabetic cardiomyopathy (DCM) in mice. 80 experimental male C57BL mice were randomly assigned into four groups: sham + vehicle (VEH/SH), sham + nobiletin (NOB/SH), DCM + vehicle (VEH/DM), and DCM + nobiletin (NOB/DM)...
June 2016: Molecular and Cellular Biochemistry
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