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https://www.readbyqxmd.com/read/28552180/association-between-diabetes-during-pregnancy-and-peripartum-cardiomyopathy-a-population-level-analysis-of-309-825-women
#1
Sumandeep Dhesi, Anamaria Savu, Justin A Ezekowitz, Padma Kaul
BACKGROUND: Peripartum cardiomyopathy (PPCM) is a form of heart failure associated with pregnancy. The objectives of our study were to determine the incidence and outcomes (maternal and neonatal) of PPCM and its association with diabetes mellitus (DM) in a contemporary population-based cohort. METHODS: The cohort consisted of 309,825 women with a birth of at least 1 live newborn between January 01, 2005 and September 30, 2014, resulting in 469,150 birth events and 477,089 live newborns...
February 24, 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28421194/dihydromyricetin-protects-against-diabetic-cardiomyopathy-in-streptozotocin-induced-diabetic-mice
#2
Bin Wu, Jie Lin, Jian Luo, Dong Han, Miaomiao Fan, Tao Guo, Ling Tao, Ming Yuan, Fu Yi
Diabetic cardiomyopathy (DCM) is an important cause of heart failure in diabetic patients. The present study sought to explore the potential effects of dihydromyricetin (DHM) on DCM and its possible mechanism. A diabetic model was induced by intraperitoneal injection of streptozotocin (STZ) in C57BL/6J mice. Two weeks after the STZ injection, mice were randomly allocated into the following 4 groups for treatment: the control group (CON), the control treated with DHM group (CON + DHM), the diabetes group (DM), and the diabetes treated with DHM group (DM + DHM)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28380414/the-role-of-sirt1-in-diabetic-cardiomyopathy
#3
REVIEW
Hedyieh Karbasforooshan, Gholamreza Karimi
The prevalence of diabetes mellitus (DM) has been increasing worldwide. Diabetic cardiomyopathy (DCP) is the major risk for diabetes associated morbidity and mortality. Hyperglycemia and hyperinsulinemia play an indispensable role in underlying mechanisms of DCP. They increase advanced glycation end products (AGEs) following a series of events leading to myocardial damage and cardiomyopathy which include oxidative stress, increased inflammation, fibrosis, hypertrophy and apoptosis. SIRT1 is a nicotinamide adenosine dinucleotide (NAD)-dependent deacetylase that removes acetyl groups from proteins which can be implicated in DCP...
June 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28299608/dissipative-energy-loss-within-the-left-ventricle-detected-by-vector-flow-mapping-in-diabetic-patients-with-controlled-and-uncontrolled-blood-glucose-levels
#4
Chun-Mei Li, Wen-Juan Bai, Yan-Ting Liu, Hong Tang, Li Rao
Diabetes mellitus (DM) is related to increased risks of cardiovascular diseases, such as myocardial infarction, diabetic cardiomyopathy and secondary hypertension. Dissipative energy loss (EL) derived from vector flow mapping (VFM) is thought to reflect the efficiency of blood flow and has been deemed to be an index for the evaluation of left ventricular function. Our study aimed to investigate the value of dissipative EL in diabetic patients with controlled and uncontrolled blood glucose by VFM. Eighty-eight patients with DM and 58 age-matched healthy controls were recruited...
March 15, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28069019/ppars-modulate-cardiac-metabolism-and-mitochondrial-function-in-diabetes
#5
REVIEW
Ting-Wei Lee, Kuan-Jen Bai, Ting-I Lee, Tze-Fan Chao, Yu-Hsun Kao, Yi-Jen Chen
Diabetic cardiomyopathy is a major complication of diabetes mellitus (DM). Currently, effective treatments for diabetic cardiomyopathy are limited. The pathophysiology of diabetic cardiomyopathy is complex, whereas mitochondrial dysfunction plays a vital role in the genesis of diabetic cardiomyopathy. Metabolic regulation targeting mitochondrial dysfunction is expected to be a reasonable strategy for treating diabetic cardiomyopathy. Peroxisome proliferator-activated receptors (PPARs) are master executors in regulating glucose and lipid homeostasis and also modulate mitochondrial function...
January 10, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28063511/tiny-molecule-big-power-multi-target-approach-for-curcumin-in-diabetic-cardiomyopathy
#6
REVIEW
Vengadeshprabhu Karuppagounder, Somasundaram Arumugam, Vijayasree V Giridharan, Remya Sreedhar, Rajendran J C Bose, Jyothi Vanama, Suresh S Palaniyandi, Tetsuya Konishi, Kenichi Watanabe, Rajarajan A Thandavarayan
Diabetic cardiomyopathy (DCM) is described as impaired cardiac diastolic and systolic functions. Diabetes mellitus (DM), a related cardiovascular disease, has become one of the major causes of death in DM patients. Mortality in these diseases is 2 to 3 times higher than in non-DM patients with cardiovascular disease. The progression of DCM and the cellular and molecular perturbations associated with the pathogenesis are complex and multifactorial. Although considerable progress has been achieved, the molecular etiologies of DCM remain poorly understood...
February 2017: Nutrition
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
#7
MULTICENTER STUDY
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
#8
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...
January 2017: General Physiology and Biophysics
https://www.readbyqxmd.com/read/27894255/silent-diabetic-cardiomyopathy-in-everyday-practice-a-clinical-and-echocardiographic-study
#9
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
#10
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...
February 2017: 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
#11
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...
2017: Cardiology
https://www.readbyqxmd.com/read/27628899/2-5-dimethylcelecoxib-prevents-pressure-induced-left-ventricular-remodeling-through-gsk-3-activation
#12
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)...
February 2017: 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
#13
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
#14
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)...
September 1, 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
#15
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...
May 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/27535260/metalloproteinase-changes-in-diabetes
#16
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
#17
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
#18
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
#19
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
#20
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
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