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cardiomyopathy DM

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https://www.readbyqxmd.com/read/28927959/layer-specific-deformation-of-the-left-ventricle-in-uncomplicated-patients-with-type-2-diabetes-and-arterial-hypertension
#1
Marijana Tadic, Cesare Cuspidi, Vladan Vukomanovic, Sanja Ilic, Philippe Obert, Vesna Kocijancic, Vera Celic
BACKGROUND: Detailed analysis of layer-specific mechanical changes in patients with type 2 diabetes mellitus (DM) might improve insight into left ventricular (LV) remodelling and diabetic cardiomyopathy. AIM: We sought to investigate layer-specific LV deformation in patients with DM, with and without hypertension. METHODS: This cross-sectional study included 146 subjects (44 controls; 48 patients with DM; 54 patients with DM and hypertension) who underwent complete examination by two-dimensional echocardiography (2DE), including multilayer strain analysis...
September 15, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28895644/relaxin-inhibits-cardiac-fibrosis-in-diabetic-rats-roles-of-protein-kinase-c%C3%AE
#2
Ping Wang, Meng Li, Lei Dong, Hui Chen, Wei Su, Yu-Peng Wang
Relaxin (Rlx) is known to antagonize diabetic cardiac fibrosis. However, its mechanism is poorly understood. Protein kinase Cδ (PKCδ) plays a crucial role in diabetic cardiomyopathy (DCM). This study explored the involvement of PKCδ in Rlx's capacity of suppressing cardiac fibrosis in a rat model of type 2 diabetes mellitus (DM). Type 2 DM of 8-week-old male Sprague-Dawley (SD) rats was induced by a high-fat diet and the injection of streptozocin (STZ, 40 mg/kg). Fourteen-week-old rats with DM and rats in control group which were pre-treated for 1 week with human recombinant relaxin (rhRlx, 30 μg/kg...
September 11, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28867577/biological-properties-of-cardiac-mesenchymal-stem-cells-in-rats-with-diabetic-cardiomyopathy
#3
Diógenes Rodrigo Maronezzi de Paula, Vanessa Capuano, Daniel Mendes Filho, Anna Cecília Dias Maciel Carneiro, Virgínia de Oliveira Crema, Lucas Felipe de Oliveira, Aldo Rogélis Aquiles Rodrigues, Nicola Montano, Valdo José Dias da Silva
Cardiomyopathy is a major outcome in patients with diabetes mellitus (DM) and contributes to the high morbidity/mortality observed in this disease. AIMS: To evaluate several biological properties of cardiac mesenchymal stem cells (cMSCs) in a rat model of streptozotocin-induced DM with concomitant diabetic cardiomyopathy. MAIN METHODS: After 10weeks of DM induction, diabetic and control rats were assessed using ECG and ventricular hemodynamics monitoring. Then, the hearts were excised and processed for histology and for extracting non-cardiomyocytic cells...
August 31, 2017: Life Sciences
https://www.readbyqxmd.com/read/28837672/cardiac-transcriptome-profiling-of-diabetic-akita-mice-using-microarray-and-next-generation-sequencing
#4
Varun Kesherwani, Hamid R Shahshahan, Paras K Mishra
Although diabetes mellitus (DM) causes cardiomyopathy and exacerbates heart failure, the underlying molecular mechanisms for diabetic cardiomyopathy/heart failure are poorly understood. Insulin2 mutant (Ins2+/-) Akita is a mouse model of T1DM, which manifests cardiac dysfunction. However, molecular changes at cardiac transcriptome level that lead to cardiomyopathy remain unclear. To understand the molecular changes in the heart of diabetic Akita mice, we profiled cardiac transcriptome of Ins2+/- Akita and Ins2+/+ control mice using next generation sequencing (NGS) and microarray, and determined the implications of differentially expressed genes on various heart failure signaling pathways using Ingenuity pathway (IPA) analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28836409/cardio-protective-role-of-gingerol-along-with-prominent-anti-diabetic-cardiomyopathy-action-in-a-streptozotocin-induced-diabetes-mellitus-rat-model
#5
Li-Ya Yu, Wen-Lei Shi, Xin-GuiGuo Guo
OBJECTIVES: Diabetic cardiomyopathy (DCM) is characterized as a coronary heart disease which expands during diabetes due to alterations in the myocardial function and structure. The currentstudy intends to elucidate the protective effect of gingerol on DCM in a streptozotocin (STZ)-induced diabetes mellitus (DM) rat model. MATERIALS AND METHODS: In this experimental study, the animals were divided into three groups: normal control, DM control, and DM+gingerol (10 mg/kg)...
October 2017: Cell Journal
https://www.readbyqxmd.com/read/28781721/the-effects-of-diabetes-induction-on-the-rat-heart-differences-in-oxidative-stress-inflammatory-cells-and-fibrosis-between-subendocardial-and-interstitial-myocardial-areas
#6
Maria C Guido, Alyne F Marques, Elaine R Tavares, Marcelo D Tavares de Melo, Vera M C Salemi, Raul C Maranhão
Diabetic cardiomyopathy (DCM) is characterized by cardiac remodeling and impaired diastolic function that may lead to heart failure. The aim of this study was to evaluate oxidative stress, inflammatory cells, and fibrosis in both subendocardial (SEN) and interstitial (INT) areas of the myocardium. Male Wistar rats were allocated to 2 groups of 9 animals, a control (CT) group and streptozotocin-induced diabetes (DM). After 8 weeks, echocardiography morphometry, protein expression, and confocal microscopy in SEN and INT areas of the left ventricle (LV) were performed...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28552180/association-between-diabetes-during-pregnancy-and-peripartum-cardiomyopathy-a-population-level-analysis-of-309-825-women
#7
MULTICENTER STUDY
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...
July 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28421194/dihydromyricetin-protects-against-diabetic-cardiomyopathy-in-streptozotocin-induced-diabetic-mice
#8
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
#9
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
#10
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...
August 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28069019/ppars-modulate-cardiac-metabolism-and-mitochondrial-function-in-diabetes
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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