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Diabetic Cardiomyopathy

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https://www.readbyqxmd.com/read/28624452/fortunellin-protects-against-high-fructose-induced-diabetic-heart-injury-in-mice-by-suppressing-inflammation-and-oxidative-stress-via-ampk-nrf-2-pathway-regulation
#1
Cuihua Zhao, Yuan Zhang, Hongyang Liu, Peng Li, Han Zhang, Guanchang Cheng
Inflammation and oxidative stress contribute to the progression of diabetic cardiomyopathy (DCM). The study was first designed to calculate the role of an anti-inflammatory and anti-oxidant Fortunellin (For) in high fructose-induced cardiac injury in diabetic mice. Fortunellin was found to be none of toxicity to mice and cells using various assays. High fructose was used to induce mice with diabetes. The heart histopathological changes and cardiac function were measured. Fortunellin significantly attenuated the score of histopathological alterations and alleviated heart function, accompanied with reduced inflammation and oxidative stress...
June 14, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28624189/mir30c-is-involved-in-diabetic-cardiomyopathy-through-regulation-of-cardiac-autophagy-via-becn1
#2
Chen Chen, Shenglan Yang, Huaping Li, Zhongwei Yin, Jiahui Fan, Yanru Zhao, Wei Gong, Mengwen Yan, Dao Wen Wang
Multiple factors have been shown to promote the progression of diabetic cardiomyopathy. A link has previously been found between Mir30 and autophagy in cancer cells and in the heart, but the role of Mir30 in diabetic heart has not been studied. Using in vitro and in vivo approaches, we found that the depletion of Mir30c and induction of BECN1 enhanced autophagy in diabetic (db/db) hearts and in cardiomyocytes treated with the fatty acid palmitate. We verified that Mir30c repressed BECN1 expression by direct binding to the BECN1 3' UTRs...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28620607/metabolic-and-biochemical-stressors-in-diabetic-cardiomyopathy
#3
REVIEW
Vasundhara Kain, Ganesh V Halade
Diabetic cardiomyopathy (DCM) or diabetes-induced cardiac dysfunction is a direct consequence of uncontrolled metabolic syndrome and is widespread in US population and worldwide. Despite of the heterogeneous and distinct features of DCM, the clinical relevance of DCM is now becoming established. DCM progresses to pathological cardiac remodeling with the higher risk of heart attack and subsequent heart failure in diabetic patients. In this review, we emphasize lipid substrate quality and the phenotypic, metabolic, and biochemical stressors of DCM in the rodent and human pathophysiology...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28620495/familial-partial-lipodystrophy-and-proteinuric-renal-disease-due-to-a-missense-c-1045c%C3%A2-%C3%A2-t-lmna-mutation
#4
Athanasios Fountas, Zoe Giotaki, Evangelia Dounousi, George Liapis, Alexandra Bargiota, Agathocles Tsatsoulis, Stelios Tigas
Proteinuric renal disease is prevalent in congenital or acquired forms of generalized lipodystrophy. In contrast, an association between familial partial lipodystrophy (FPLD) and renal disease has been documented in very few cases. A 22-year-old female patient presented with impaired glucose tolerance, hyperinsulinemia, hirsutism and oligomenorrhea. On examination, there was partial loss of subcutaneous adipose tissue in the face, upper and lower limbs, bird-like facies with micrognathia and low set ears and mild acanthosis nigricans...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28610912/characteristics-of-cardiomyopathy-in-alstr%C3%A3-m-syndrome-prospective-single-center-data-on-38-patients
#5
Alessandra Brofferio, Vandana Sachdev, Hwaida Hannoush, Jan D Marshall, Jürgen K Naggert, Stanislav Sidenko, Anna Noreuil, Arlene Sirajuddin, Joy Bryant, Joan C Han, Andrew E Arai, William A Gahl, Meral Gunay-Aygun
BACKGROUND: Alström syndrome (AS) is a rare monogenetic disorder with multi-organ involvement. Complex metabolic disturbances are common and cardiomyopathy is a well-recognized feature in infants as well as in older children and adults. Although the mechanism of cardiomyopathy is not known, previous reports suggest that individuals with infantile-onset cardiac disease recover completely. METHODS: In this single center prospective series of 38 children and adults (age range 1...
May 30, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28610566/the-effect-of-astragalus-polysaccharides-on-attenuation-of-diabetic-cardiomyopathy-through-inhibiting-the-extrinsic-and-intrinsic-apoptotic-pathways-in-high-glucose-stimulated-h9c2-cells
#6
Shuqin Sun, Shuo Yang, Min Dai, Xiujuan Jia, Qiyan Wang, Zheng Zhang, Yongjun Mao
BACKGROUND: Apoptosis plays a critical role in the progression of diabetic cardiomyopathy (DC). Astragalus polysaccharides (APS), an extract of astragalus membranaceus (AM), is an effective cardioprotectant. Currently, little is known about the detailed mechanisms underlying cardioprotective effects of APS. The aims of this study were to investigate the potential effects and mechanisms of APS on apoptosis employing a model of high glucose induction of apoptosis in H9C2 cells. METHODS: A model of high glucose induction of H9C2 cell apoptosis was adopted in this research...
June 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28603826/differences-between-idiopathic-and-ischemic-dilated-cardiomyopathy
#7
Sana Fennira, Ihsen Zairi, Zouhaier Jnifene, Mariem Lakhal, Sofiene Kammoun, Sondos Kraiem
BACKGROUND: Ischemic cardiomyopathy can be reversible after revascularization hence the interest of making systematic coronary angiography that remain an invasive procedure. AIM: To detect epidemiological, clinical and paraclinical differences between idiopathic and ischemic dilated cardiomyopathy to identify predictors of coronary artery disease and to evaluate the interest of making systematic coronary angiography within the etiological check-up of dilated cardiomyopathy...
August 2016: La Tunisie Médicale
https://www.readbyqxmd.com/read/28595844/subclinical-myocardial-impairment-in-metabolic%C3%A2-diseases
#8
REVIEW
Wojciech Kosmala, Prash Sanders, Thomas H Marwick
Type 2 diabetes mellitus (T2DM) and obesity are important contributors to nonischemic heart failure (HF) and atrial fibrillation. There is a 2- to 5-fold increase in HF associated with T2DM, and there is a 5% in HF risk in men and 7% increment in women for every unit increment in body mass index, after adjustment for traditional cardiovascular risk factors. Likewise, the risk of atrial fibrillation increases by about 6% per unit increase in body mass index. Metabolic cardiomyopathy leads to a number of changes in cardiac structure and function that can be recognized by imaging in the asymptomatic phase, and these parameters can be used for monitoring the progression of disease or the response to therapy...
June 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28595623/effects-of-1-25-dihydroxyvitamin-d3-on-pathological-changes-in-rats-with-diabetic-cardiomyopathy
#9
Xiaoyun Zeng, Xintian Yu, Shan Xiao, Hua Yao, Jun Zhu
BACKGROUND: The role of 1,25-dihydroxyvitamin D3 (vitamin D) in the apoptosis of diabetic cardiomyopathy (DCM) is unclear. This study is to investigate the effects of vitamin D on the pathological changes in rats with DCM. METHODS: Rats were randomly divided into the control, model, and treatment groups. DCM model was established by the high-fat and -sugar diet. Plasma glucose, body weight, heart weight, heart weight index, and serum levels of lactate dehydrogenase (LDH) and creatine kinase (CK) were determined...
June 8, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28589482/sasha-versus-shmolli-a-comparison-of-t1-mapping-methods-in-health-and-dilated-cardiomyopathy-at-3%C3%A2-t
#10
Benedict T Costello, Fabian Springer, James L Hare, Andre La Gerche, Leah Iles, Andris H Ellims, Benjamin Schmitt, Andrew J Taylor
Cardiac Magnetic Resonance derived T1 mapping parameters are a non-invasive method of estimating diffuse myocardial fibrosis. This study aims to to determine the native T1 time, post contrast T1 time and extracellular volume (ECV) derived from T1 mapping and to evaluate the ability of T1 mapping techniques to discriminate healthy myocardium from dilated cardiomyopathy. Seventy-nine participants underwent cardiac magnetic resonance imaging at the Baker Heart and Diabetes Institute, Melbourne, Australia. Fifty-seven healthy volunteers and twenty-two patients with Dilated cardiomyopathy were included in the study...
June 6, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28579310/a-comparative-analysis-of-novel-cardiovascular-biomarkers-in-patients-with-chronic-heart-failure
#11
Michael Lichtenauer, Peter Jirak, Bernhard Wernly, Vera Paar, Ilonka Rohm, Christian Jung, Christiana Schernthaner, Johannes Kraus, Lukas J Motloch, Atilla Yilmaz, Uta C Hoppe, P Christian Schulze, Daniel Kretzschmar, Rudin Pistulli
BACKGROUND: Heart failure (HF) with reduced ejection fraction remains a major therapeutic challenge. The aim of this study was to investigate the role of novel cardiovascular biomarkers, i.e. soluble suppression of tumorigenicity (sST2), growth-differentiation factor-15 (GDF-15), soluble urokinase plasminogen activator receptor (suPAR) and heart-type fatty acid binding protein (H-FABP) in patients with ischaemic (ICM) or dilative cardiomyopathy (DCM). MATERIALS AND METHODS: A total of 200 patients were enrolled in this study: 65 were diagnosed with DCM and 59 patients suffering from ICM were included...
May 31, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28573831/auditory-and-otologic-profile-of-alstr%C3%A3-m-syndrome-comprehensive-single-center-data-on-38-patients
#12
Spencer Lindsey, Carmen Brewer, Olga Stakhovskaya, Hung Jeffrey Kim, Chris Zalewski, Joy Bryant, Kelly A King, Jürgen K Naggert, William A Gahl, Jan D Marshall, Meral Gunay-Aygun
Alström syndrome (AS) is a rare autosomal recessive ciliopathy caused by mutations in the ALMS1 gene. Hallmark characteristics include childhood onset of severe retinal degeneration, sensorineural hearing loss, obesity, insulin-resistant diabetes, and cardiomyopathy. Here we comprehensively characterize the auditory and otologic manifestations in a prospective case series of 38 individuals, aged 1.7-37.9 years, with genetically confirmed AS. Hearing loss was preceded by retinal dystrophy in all cases, and had an average age of detection of 7...
June 1, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28565941/insulin-replacement-limits-progression-of-diabetic-cardiomyopathy-in-the-low-dose-streptozotocin-induced-diabetic-rat
#13
Mitchel Tate, Minh Deo, Anh H Cao, Sally G Hood, Karina Huynh, Helen Kiriazis, Xiao-Jun Du, Tracey L Julius, Gemma A Figtree, Gregory J Dusting, David M Kaye, Rebecca H Ritchie
Diabetic cardiomyopathy is a major contributor to the increasing burden of heart failure globally. Effective therapies remain elusive, in part due to the incomplete understanding of the mechanisms underlying diabetes-induced myocardial injury. The objective of this study was to assess the direct impact of insulin replacement on left ventricle structure and function in a rat model of diabetes. Male Sprague-Dawley rats were administered streptozotocin (55 mg/kg i.v.) or citrate vehicle and were followed for 8 weeks...
May 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28565750/myocardial-fibrosis-in-congenital-and-pediatric-heart-disease
#14
Jing Tian, Xinjiang An, Ling Niu
Cardiac fibrosis is a common phenomenon in different types of heart diseases, such as ischemic heart disease, inherited cardiomyopathy mutations, diabetes, and ageing and is associated with morbidity and mortality. Increased accumulation of extracellular matrix (ECM) that impacts cardiac function, is the underlying cause of fibrotic heart disease. There are four different types of cardiac fibrosis, including, reactive interstitial fibrosis, replacement fibrosis, infiltrative interstitial fibrosis and endomyocardial fibrosis...
May 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28559425/fgf21-ameliorates-diabetic-cardiomyopathy-by-activating-the-ampk-paraoxonase-1-signaling-axis-in-mice
#15
Fan Wu, Baile Wang, Saisai Zhang, Lihua Shi, Yanfang Wang, Rongrong Xiong, Xuebo Pan, Fanghua Gong, Xiaokun Li, Zhuofeng Lin
Aims: The aim in present study is to explore the molecular mechanism of FGF21 against diabetic cardiomyopathy. Materials and methods: FGF21 deficient mice and wild type littermates were used to induce diabetic mice by treatment with streptozotocin/high-fat diet (STZ/HFD), and then evaluated the difference of diabetic cardiomyopathy between two types of mice. Otherwise, primary cultured cardiomyocytes were also used to explore the potential molecular mechanism of FGF21 against high glucose-induced cardiomyocyte injuries...
May 30, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28552180/association-between-diabetes-during-pregnancy-and-peripartum-cardiomyopathy-a-population-level-analysis-of-309-825-women
#16
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/28551597/clozapine-re-exposure-after-dilated-cardiomyopathy
#17
Mariëtte Nederlof, Theo Wj Benschop, Cornelia Adriana de Vries Feyens, Eibert Roelof Heerdink
A 63-year-old woman with diabetes type II and a history of breast cancer was treated with clozapine for her refractory schizophrenia. She developed a dilated cardiomyopathy with an ejection fraction of 25%, a life-threatening event. The cause of heart failure could be multifactorial, with clozapine, family history, chemotherapy, diabetes type II and/or lithium as possible contributing risk factors. Clozapine was discontinued and the patient was referred to a hospice. Two weeks later, her heart failure slowly improved...
May 27, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28545398/advanced-glycation-end-products-in-children-with-type-1-diabetes-and-early-reduced-diastolic-heart-function
#18
Leif Brunvand, Martin Heier, Cathrine Brunborg, Kristian F Hanssen, Drude Fugelseth, Knut Haakon Stensaeth, Knut Dahl-Jørgensen, Hanna Dis Margeirsdottir
BACKGROUND: Reduced diastolic function is an early sign of diabetes cardiomyopathy in adults and is associated with elevated levels of HbA1c and advanced glycation end products (AGEs). OBJECTIVE: To assess the associations between early reduced diastolic function and elevated levels of HbA1c and AGEs in children and adolescents with type 1 diabetes (T1D). METHODS: One hundred fourty six T1D patients (age 8-18 years) without known diabetic complications were examined with tissue Doppler imaging and stratified into two groups according to diastolic function...
May 25, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28545369/impact-of-diabetes-on-cardiac-and-vascular-disease-role-of-calcium-signaling
#19
Tarik Smani, Isabel Gallardo-Castillo, Javier Ávila-Médina, Manuel F Jimenez-Navarro, Antonio Ordoñez, Abdelkrim Hmadcha
The pathophysiology linking diabetes and cardiovascular disease (CVD) is complex and multifactorial. The specific type of cardiomyopathy associated with diabetes, known as diabetic cardiomyopathy (DCM), is recognized as asymptomatic progression of structural and functional remodeling in the heart of diabetic patients in the absence of coronary atherosclerosis and hypertension. In other words, the presence of heart disease specifically in diabetic patients is also known as diabetic heart disease. This article reviews the impact of diabetes in heart and vascular beds focusing on molecular mechanisms involving the oxidative stress, the inflammation, the endothelium dysfunction and the alteration of the homeostasis of calcium, among others mechanisms...
May 23, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28543399/baroreceptor-stimulation-in-a-patient-with-preexisting-subcutaneous-implantable-cardioverter-defibrillator
#20
Kay F Weipert, Jens Andrick, Ritvan Chasan, Christopher Gemein, Astrid Most, Christian W Hamm, Damir Erkapic, Joern Schmitt
BACKGROUND: Many patients with severe heart failure (HF) have an indication for baroreflex activation therapy (BAT) and an ICD. Concerns about device-device interactions were addressed in a study with small sample size that concluded combined BAT and ICD therapy is safe. There are no published data, however, concerning device-device interactions between BAT and a subcutaneous ICD (S-ICD). Since BAT frequently interferes with surface ECG recordings there are doubts about compatibility of BAT and S-ICD devices...
May 24, 2017: Pacing and Clinical Electrophysiology: PACE
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