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cardiomyopathy DM

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https://www.readbyqxmd.com/read/29141856/impact-of-diabetes-mellitus-on-outcomes-in-patients-supported-with-left-ventricular-assist-devices-a-single-institutional-9-year-experience
#1
Rabea Asleh, Alexandros Briasoulis, Sarah D Schettle, Vakhtang Tchantchaleishvili, Naveen L Pereira, Brooks S Edwards, Alfredo L Clavell, Simon Maltais, David L Joyce, Lyle D Joyce, Richard C Daly, Sudhir S Kushwaha, John M Stulak
BACKGROUND: Diabetes mellitus (DM) is a risk factor for morbidity and mortality in patients with heart failure. The effect of DM on post-left ventricular assist device (LVAD) implantation outcomes is unclear. This study sought to investigate whether patients with DM had worse outcomes than patients without DM after LVAD implantation and whether LVAD support resulted in a better control of DM. METHODS AND RESULTS: We retrospectively reviewed 341 consecutive adults who underwent implantation of LVAD from 2007 to 2016...
November 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29131444/native-t1-reference-values-for-nonischemic-cardiomyopathies-and-populations-with-increased-cardiovascular-risk-a-systematic-review-and-meta-analysis
#2
REVIEW
Maaike van den Boomen, Riemer H J A Slart, Enzo V Hulleman, Rudi A J O Dierckx, Birgitta K Velthuis, Pim van der Harst, David E Sosnovik, Ronald J H Borra, Niek H J Prakken
BACKGROUND: Although cardiac MR and T1 mapping are increasingly used to diagnose diffuse fibrosis based cardiac diseases, studies reporting T1 values in healthy and diseased myocardium, particular in nonischemic cardiomyopathies (NICM) and populations with increased cardiovascular risk, seem contradictory. PURPOSE: To determine the range of native myocardial T1 value ranges in patients with NICM and populations with increased cardiovascular risk. STUDY TYPE: Systemic review and meta-analysis...
November 13, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29115461/histone-deacetylase-inhibition-of-cardiac-autophagy-in-rats-on-a-high%C3%A2-fat-diet-with-low%C3%A2-dose-streptozotocin-induced-type-2-diabetes-mellitus
#3
Ting-I Lee, Kuan-Jen Bai, Yao-Chang Chen, Ting-Wei Lee, Cheng-Chih Chung, Wen-Chih Tsai, Shin-Yi Tsao, Yu-Hsun Kao
Autophagy serves a role in preserving cellular homeostasis. Diabetes mellitus (DM) impairs cardiac autophagy and is associated with an accumulation of cytotoxic proteins that may provoke apoptosis and damage cardiomyocytes. Histone deacetylase (HDAC) inhibitors attenuate cardiac fibrosis and inflammation, and improve cardiomyopathy resulting from DM. However, the effect of HDAC inhibition on autophagy in DM cardiomyopathy has not been investigated. The purpose of the present study was to evaluate whether HDAC inhibition modulates cardiac autophagy and to investigate the potential mechanisms in type 2 DM (T2DM) hearts...
October 26, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29115422/melatonin-ameliorates-myocardial-apoptosis-by-suppressing-endoplasmic-reticulum-stress-in-rats-with-long%C3%A2-term-diabetic-cardiomyopathy
#4
Fang-Yuan Xiong, Song-Tao Tang, Huan Su, Hai-Qin Tang, Pin Jiang, Qing Zhou, Yuan Wang, Hua-Qing Zhu
The effects of melatonin (MLT), which exerts cardioprotective effects against myocardial apoptosis, in long‑term diabetic cardiomyopathy are not currently well defined. The present study aimed to investigate how MLT protects the heart through modulating myocardial apoptosis in rats with type 2 diabetes mellitus (DM). In total, 36 rats were randomly divided into three groups, including control (n=12), DM (n=12) and DM + MLT (n=12) groups. The results demonstrated that, in DM rats, a significant increase was observed in the serum fasting blood glucose and lipid levels, in addition to insulin resistance and cardiac dysfunction, which were attenuated in DM rats treated with MLT...
October 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28992627/h3-relaxin-protects-against-myocardial-injury-in-experimental-diabetic-cardiomyopathy-by-inhibiting-myocardial-apoptosis-fibrosis-and-inflammation
#5
Xiaohui Zhang, Liya Pan, Kelaier Yang, Yu Fu, Yue Liu, Jinyu Chi, Xin Zhang, Siting Hong, Xiao Ma, Xinhua Yin
BACKGROUND/AIMS: Apoptosis, fibrosis and NLRP3 inflammasome activation are involved in the development of diabetic cardiomyopathy (DCM). Human recombinant relaxin-3 (H3 relaxin) is a novel bioactive peptide that inhibits cardiac injury; however, whether H3 relaxin prevents cardiac injury in rats with DCM and the underlying mechanisms are unknown. METHODS: To investigate the effect of H3 relaxin on DCM, we performed a study using H3 relaxin treatment in male Sprague-Dawley (SD) rats with streptozotocin (STZ)-induced diabetes (DM)...
October 9, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28980272/pathogenesis-clinical-features-and-treatment-of-diabetic-cardiomyopathy
#6
Núria Alonso, Pedro Moliner, Dídac Mauricio
Patients with type 1 and type 2 diabetes mellitus (T1D and T2D) show an increased incidence of heart failure (HF) even after adjustment for well established risk factors for HF such as hypertension and ischaemic heart disease. The resulting specific form of cardiomyopathy is known as diabetic cardiomyopathy" (DCM). Pathogenetic mechanisms underlying DCM are likely to be multifactorial, from altered myocardial metabolism (hyperglycaemia, hyperinsulinaemia, increased circulating fatty acids and trglycerides) to microvascular disease, autonomic neuropathy, and altered myocardial structure with fibrosis...
October 5, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28965951/polydatin-ameliorates-diabetic-cardiomyopathy-via-sirt3-activation
#7
Mingming Zhang, Shanjie Wang, Zheng Cheng, Zhenyu Xiong, Jianjun Lv, Zhi Yang, Tian Li, Shuai Jiang, Jing Gu, Dongdong Sun, Yanhong Fan
BACKGROUND: Diabetic cardiomyopathy is identified as cardiac ventricular dysfunction induced by an insulin shortage in diabetic patients. Our previous studies have shown that Polydatin (PD) alleviates cardiac dysfunction after myocardial infarction (MI) injury. Nevertheless, the mechanism by which PD regulates diabetic cardiomyopathy has not been reported. METHODS: In this study, we demonstrated the effects and described the mechanisms of PD in diabetic cardiomyopathy in both adult mouse hearts and neonatal mouse cardiomyocytes...
November 25, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28962186/ulinastatin-attenuates-diabetes-induced-cardiac-dysfunction-by-the-inhibition-of-inflammation-and-apoptosis
#8
Wen-Ke Wang, Qing-Hua Lu, Xin Wang, Ben Wang, Juan Wang, Hui-Ping Gong, Lin Wang, Hao Li, Yi-Meng Du
Ulinastatin exhibits anti-inflammatory activity and protects the heart from ischemia/reperfusion injury. However, whether ulinastatin has a protective effect in diabetic cardiomyopathy is yet to be elucidated. The aim of the present study was to investigate the protective effects of ulinastatin against diabetic cardiomyopathy and its underlying mechanisms. A C57/BL6J mice model of diabetic cardiomyopathy was used and mice were randomly assigned to three groups: Control group, diabetes mellitus (DM) group and DM + ulinastatin treatment group...
September 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28927959/layer-specific-deformation-of-the-left-ventricle-in-uncomplicated-patients-with-type-2-diabetes-and-arterial-hypertension
#9
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
#10
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
#11
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...
November 1, 2017: Life Sciences
https://www.readbyqxmd.com/read/28837672/cardiac-transcriptome-profiling-of-diabetic-akita-mice-using-microarray-and-next-generation-sequencing
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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