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glucose metabolism and heart

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https://www.readbyqxmd.com/read/29325562/increased-epicardial-adipose-tissue-thickness-is-a-predictor-of-new-onset-diabetes-mellitus-in-patients-with-coronary-artery-disease-treated-with-high-intensity-statins
#1
Jeehoon Kang, Young-Chan Kim, Jin Joo Park, Sehun Kim, Si-Hyuck Kang, Young Jin Cho, Yeonyee E Yoon, Il-Young Oh, Chang-Hwan Yoon, Jung-Won Suh, Young-Seok Cho, Tae-Jin Youn, In-Ho Chae, Dong-Ju Choi
BACKGROUND: Statins are widely used for lipid lowering in patients with coronary artery disease (CAD), but increasing evidence indicates an association between statin use and new-onset of diabetes mellitus (NODM). Epicardial adipose tissue (EAT) refers to the visceral fat surrounding the heart, which is associated with metabolic diseases. We sought to determine the association between EAT thickness and NODM in CAD patients treated with high-intensity statins. METHODS: We conducted a retrospective medical record review of CAD patients treated with high-intensity statins for at least 6 months after percutaneous coronary intervention performed between January 2009 and June 2013 at Seoul National University Bundang Hospital...
January 11, 2018: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/29324913/the-detection-of-endocarditis-post-implantation-grafts-arteritis-and-other-related-disorders-by-18f-fdg-pet-ct
#2
Jelena Šaponjski, Dragana Šobić-Šaranović, Strahinja Odalović, Milica Stojiljković, Jelena Pantović, Nebojša Petrović, Isidora Grozdić-Milojević, Vera Artiko
INTRODUCTION: Positron emission tomography with computed tomography (18F-FDG PET/CT) is a nuclear medicine diagnostic method which, unlike other technological modalities that asses anatomical features, detects increased glucose metabolism inside the cells, thus is very helpful in diagnosing cardiovascular infection and inflammation and also in therapy planning. AIM: Aim of this study was to assess the significance of 18F-FDG PET/CT in detection of an active disease in patients with infection and inflammation of cardiovascular system...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29319170/sirt6-deacetylase-transcriptionally-regulates-glucose-metabolism-in-heart
#3
Danish Khan, Mohsen Sarikhani, Subhajit Dasgupta, Babukrishna Maniyadath, Anwit Shriniwas Pandit, Sneha Mishra, Faiz Ahamed, Abhinav Dubey, Nowrin Fathma, Hanudatta S Atreya, Ullas Kolthur-Seetharam, Nagalingam R Sundaresan
Sirtuins are a family of enzymes, which govern a number of cellular processes essential for maintaining physiological balance. SIRT6, a nuclear localized sirtuin, is implicated in the development of metabolic disorders. The role of SIRT6 in regulation of cardiac metabolism is unexplored. Although glucose is not the primary energy source of heart, defects in glucose oxidation have been linked to heart failure. SIRT6+/- mice hearts exhibit increased inhibitory phosphorylation of PDH subunit E1α. SIRT6 deficiency enhances FoxO1 nuclear localization that results in increased expression of PDK4...
January 10, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29317401/acute-and-chronic-increases-of-circulating-fstl1-normalize-energy-substrate-metabolism-in-pacing-induced-heart-failure
#4
Mitsuru Seki, Jeffery C Powers, Sonomi Maruyama, Maria A Zuriaga, Chia-Ling Wu, Clara Kurishima, Lydia Kim, Jesse Johnson, Anthony Poidomani, Tao Wang, Eric Muñoz, Sudarsan Rajan, Joon Y Park, Kenneth Walsh, Fabio A Recchia
BACKGROUND: FSTL1 (follistatin-like protein 1) is an emerging cardiokine/myokine that is upregulated in heart failure (HF) and is found to be cardioprotective in animal models of cardiac injury. We tested the hypothesis that circulating FSTL1 can affect cardiac function and metabolism under baseline physiological conditions and in HF. METHODS AND RESULTS: FSTL1 was acutely (10 minutes) or chronically (2 weeks) infused to attain clinically relevant blood levels in conscious dogs with cardiac tachypacing-induced HF...
January 2018: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29306767/effects-of-concurrent-training-on-muscle-strength-in-older-adults-with-metabolic-syndrome-a-randomized-controlled-clinical-trial
#5
Vania Fernanda Clemente Agner, Marcia Carvalho Garcia, Andre Andriolli Taffarel, Camila Baudini Mourão, Isabel Paulo da Silva, Sara Pereira da Silva, Maria Stella Peccin, Império Lombardi
INTRODUCTION: Metabolic syndrome is highly prevalent among older adults. Concurrent training comprises muscle strengthening and aerobic exercise. OBJECTIVE: Determine the effects of a concurrent training program on muscle strength, walking function, metabolic profile, cardiovascular risk, use of medications and quality of life among older adults with metabolic syndrome. METHODS: A randomised, controlled, blind, clinical trial was conducted in the city of Santos, state of São Paulo, Brazil, involving 41 male and female older adults...
December 24, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/29303614/red-palm-oil-supplementation-does-not-increase-blood-glucose-or-serum-lipids-levels-in-wistar-rats-with-different-thyroid-status
#6
H Rauchová, M Vokurková, S Pavelka, I Vaněčková, N Tribulová, T Soukup
Red palm oil (RPO) is a rich natural source of antioxidant vitamins, namely carotenes, tocopherols and tocotrienols. However, it contains approximately 50 % saturated fatty acids the regular consumption of which could negatively modify lipid profile. The aim of our study was to test whether 7 weeks of RPO supplementation (1 g/kg body weight/day) would affect blood glucose and lipid metabolism in adult male Wistar rats with altered thyroid status. We induced hypothyroidism and hyperthyroidism in rats by oral administration of either methimazole or mixture of thyroid hormones...
January 5, 2018: Physiological Research
https://www.readbyqxmd.com/read/29297191/angiographic-advancement-of-the-coronary-disease-and-the-cardiovascular-risk-at-the-acute-coronary-syndrome-in-patients-with-the-metabolic-syndrome
#7
Katarzyna Widecka-Ostrowska, Krzysztof Safranow, Maciej Lewandowski, Krzysztof Przybycień, Jarosław Gorący, Zdzisława Kornacewicz-Jach
BACKGROUND: Extent of angiographic lesions, size of infarct and in-hospital and distant prognosis in patients with the metabolic syndrome have been not clearly determined. Detailed knowledge of markers both for ACS occurrence as well as those affecting early and further prognosis will have key significance at taking correct preventive and therapeutic decisions. AIM: Comparing in patients with first ACS treated with coronary angioplasty the advancement of coronary disease and the cardiovascular risk evaluated using GRACE 2...
January 3, 2018: Kardiologia Polska
https://www.readbyqxmd.com/read/29279426/-central-regulation-of-appetite-and-energy-metabolism
#8
Yasuhiko Minokoshi
Recent advances of neuroscience shed a light in the neural pathway and mechanisms for food intake regulation. The central nervous system(CNS)has also been recognized as a crucial organ to regulate metabolism in peripheral tissues. This includes the increase in glucose and fatty acid utilization in skeletal muscle as well as in brown adipose tissue and the heart, improving type 1 diabetes without change in insulin secretion. CNS regulation for food intake and energy metabolism is important to understand the mechanism for homeostatic regulation in living body...
2018: Clinical Calcium
https://www.readbyqxmd.com/read/29277329/human-embryonic-stem-cell-derived-cardiomyocytes-as-an-in-vitro-model-to-study-cardiac-insulin-resistance
#9
Ilvy M E Geraets, Dipanjan Chanda, Florence H J van Tienen, Arthur van den Wijngaard, Rick Kamps, Dietbert Neumann, Yilin Liu, Jan F C Glatz, Joost J F P Luiken, Miranda Nabben
Patients with type 2 diabetes (T2D) and/or insulin resistance (IR) have an increased risk for the development of heart failure (HF). Evidence indicates that this increased risk is linked to an altered cardiac substrate preference of the insulin resistant heart, which shifts from a balanced utilization of glucose and long-chain fatty acids (FAs) towards an almost complete reliance on FAs as main fuel source. This shift leads to a loss of endosomal proton pump activity and increased cardiac fat accumulation, which eventually triggers cardiac dysfunction...
December 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29275960/inactivation-of-the-glucose-dependent-insulinotropic-polypeptide-receptor-improves-outcomes-following-experimental-myocardial-infarction
#10
John R Ussher, Jonathan E Campbell, Erin E Mulvihill, Laurie L Baggio, Holly E Bates, Brent A McLean, Keshav Gopal, Megan Capozzi, Bernardo Yusta, Xiemin Cao, Safina Ali, Minsuk Kim, M Golam Kabir, Yutaka Seino, Jinya Suzuki, Daniel J Drucker
Incretin hormones exert pleiotropic metabolic actions beyond the pancreas. Although the heart expresses both incretin receptors, the cardiac biology of GIP receptor (GIPR) action remains incompletely understood. Here we show that GIPR agonism did not impair the response to cardiac ischemia. In contrast, genetic elimination of the Gipr reduced myocardial infarction (MI)-induced ventricular injury and enhanced survival associated with reduced hormone sensitive lipase (HSL) phosphorylation; it also increased myocardial triacylglycerol (TAG) stores...
December 20, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/29275919/melatonin-administration-lowers-biomarkers-of-oxidative-stress-and-cardio-metabolic-risk-in-type-2-diabetic-patients-with-coronary-heart-disease-a-randomized-double-blind-placebo-controlled-trial
#11
Fariba Raygan, Vahidreza Ostadmohammadi, Fereshteh Bahmani, Russel J Reiter, Zatollah Asemi
BACKGROUND & AIMS: Melatonin may benefit diabetic people with coronary heart disease (CHD) through its beneficial effects on biomarkers of oxidative stress and cardio-metabolic risk. This investigation evaluated the effects of melatonin administration on metabolic status in diabetic patients with CHD. METHODS: This randomized, double-blind, placebo-controlled trial was conducted and involved 60 diabetic patients with CHD. Subjects were randomly allocated into two groups to receive either 10 mg melatonin (2 melatonin capsules, 5 mg each) (n = 30) or placebo (n = 30) once a day for 12 weeks...
December 12, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29246027/recent-advances-on-uric-acid-transporters
#12
REVIEW
Liuqing Xu, Yingfeng Shi, Shougang Zhuang, Na Liu
Uric acid is the product of purine metabolism and its increased levels result in hyperuricemia. A number of epidemiological reports link hyperuricemia with multiple disorders, such as kidney diseases, cardiovascular diseases and diabetes. Recent studies also showed that expression and functional changes of urate transporters are associated with hyperuricemia. Uric acid transporters are divided into two categories: urate reabsorption transporters, including urate anion transporter 1 (URAT1), organic anion transporter 4 (OAT4) and glucose transporter 9 (GLUT9), and urate excretion transporetrs, including OAT1, OAT3, urate transporter (UAT), multidrug resistance protein 4 (MRP4/ABCC4), ABCG-2 and sodium-dependent phosphate transport protein...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29243229/mirabegron-potential-off-target-effects-and-uses-beyond-the-bladder
#13
REVIEW
Nodi Dehvari, Edilson Dantas da Silva Junior, Tore Bengtsson, Dana S Hutchinson
The ®3 -adrenoceptor was initially an attractive target by several pharmaceutical companies due to its high expression in rodent adipose tissue, where its activation resulted in decreased adiposity and improved metabolic outputs (such as glucose handling) in animal models of obesity and type 2 diabetes. However, several drugs acting at the β3 -adrenoceptor failed in clinical trials. This was thought to be due to their lack of efficacy at the human receptor. Recently mirabegron, a ®3 -adrenoceptor agonist with human efficacy, was approved in North America, Europe, Japan and Australia for the treatment of overactive bladder syndrome...
December 15, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29243072/volume-based-glucose-metabolic-analysis-of-fdg-pet-ct-the-optimum-threshold-and-conditions-to-suppress-physiological-myocardial-uptake
#14
Osamu Manabe, Markus Kroenke, Tadao Aikawa, Atsuto Murayama, Masanao Naya, Atsuro Masuda, Noriko Oyama-Manabe, Kenji Hirata, Shiro Watanabe, Tohru Shiga, Chietsugu Katoh, Nagara Tamaki
OBJECTIVE: FDG PET/CT plays a significant role in the diagnosis of inflammatory heart diseases and cardiac tumors. We attempted to determine the optimal FDG uptake threshold for volume-based analyses and to evaluate the relationship between the myocardial physiological uptake volume in FDG PET and several clinical factors. METHODS: A total of 190 patients were retrospectively analyzed. The cardiac metabolic volume (CMV) was defined as a volume within the boundary determined by a threshold (SUVmean of blood pool × 1...
December 14, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29242353/cardiac-specific-bdh1-overexpression-ameliorates-oxidative-stress-and-cardiac-remodeling-in-pressure-overload-induced-heart-failure
#15
Motoki Uchihashi, Atsushi Hoshino, Yoshifumi Okawa, Makoto Ariyoshi, Satoshi Kaimoto, Shuhei Tateishi, Kazunori Ono, Ryoetsu Yamanaka, Daichi Hato, Yohei Fushimura, Sakiko Honda, Kuniyoshi Fukai, Yusuke Higuchi, Takehiro Ogata, Eri Iwai-Kanai, Satoaki Matoba
BACKGROUND: Energy starvation and the shift of energy substrate from fatty acids to glucose is the hallmark of metabolic remodeling during heart failure progression. However, ketone body metabolism in the failing heart has not been fully investigated. METHODS AND RESULTS: Microarray data analysis and mitochondrial isobaric tags for relative and absolute quantification proteomics revealed that the expression of D-β-hydroxybutyrate dehydrogenase I (Bdh1), an enzyme that catalyzes the NAD+/NADH coupled interconversion of acetoacetate and β-hydroxybutyrate, was increased 2...
December 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29235526/plasma-acylcarnitine-concentrations-reflect-the-acylcarnitine-profile-in-cardiac-tissues
#16
Marina Makrecka-Kuka, Eduards Sevostjanovs, Karlis Vilks, Kristine Volska, Unigunde Antone, Janis Kuka, Elina Makarova, Osvalds Pugovics, Maija Dambrova, Edgars Liepinsh
Increased plasma concentrations of acylcarnitines (ACs) are suggested as a marker of metabolism disorders. The aim of the present study was to clarify which tissues are responsible for changes in the AC pool in plasma. The concentrations of medium- and long-chain ACs were changing during the fed-fast cycle in rat heart, muscles and liver. After 60 min running exercise, AC content was increased in fasted mice muscles, but not in plasma or heart. After glucose bolus administration in fasted rats, the AC concentrations in plasma decreased after 30 min but then began to increase, while in the muscles and liver, the contents of medium- and long-chain ACs were unchanged or even increased...
December 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29232411/rev-erb-agonist-improves-adverse-cardiac-remodeling-and-survival-in-myocardial-infarction-through-an-anti-inflammatory-mechanism
#17
Endin Nokik Stujanna, Nobuyuki Murakoshi, Kazuko Tajiri, DongZhu Xu, Taizo Kimura, Rujie Qin, Duo Feng, Saori Yonebayashi, Yukino Ogura, Fumi Yamagami, Akira Sato, Akihiko Nogami, Kazutaka Aonuma
Rev-erb α, known as nuclear receptor 1D1 (NR1D1), regulates circadian rhythm, modulates glucose and lipid metabolism, and inflammatory response. However, little is known about the effect of Rev-erb agonist on the progression of myocardial infarction (MI) and heart failure. To investigate it, wild-type male mice underwent sham-operation or permanent ligation of the left anterior descending coronary artery to create MI model. Rev-erb agonist SR9009 (100 mg/kg/day) or vehicle was intraperitoneally administered...
2017: PloS One
https://www.readbyqxmd.com/read/29231167/glucose-inhibits-cardiac-muscle-maturation-through-nucleotide-biosynthesis
#18
Haruko Nakano, Itsunari Minami, Daniel Braas, Herman Pappoe, Xiuju Wu, Addelynn Sagadevan, Laurent Vergnes, Kai Fu, Marco Morselli, Christopher Dunham, Xueqin Ding, Adam Z Stieg, James K Gimzewski, Matteo Pellegrini, Peter M Clark, Karen Reue, Aldons J Lusis, Bernard Ribalet, Siavash K Kurdistani, Heather Christofk, Norio Nakatsuji, Atsushi Nakano
The heart switches its energy substrate from glucose to fatty acids at birth, and maternal hyperglycemia is associated with congenital heart disease. However, little is known about how blood glucose impacts heart formation. Using a chemically defined human pluripotent stem-cell-derived cardiomyocyte differentiation system, we found that high glucose inhibits the maturation of cardiomyocytes at genetic, structural, metabolic, electrophysiological, and biomechanical levels by promoting nucleotide biosynthesis through the pentose phosphate pathway...
December 12, 2017: ELife
https://www.readbyqxmd.com/read/29229948/assessment-of-lipid-and-metabolite-changes-in-obese-calf-muscle-using-multi-echo-echo-planar-correlated-spectroscopic-imaging
#19
Rajakumar Nagarajan, Catherine L Carpenter, Cathy C Lee, Navin Michael, Manoj K Sarma, Raissa Souza, Edward Xu, S Sendhil Velan, Theodore J Hahn, Vay-Liang Go, M Albert Thomas
Obesity-related conditions including heart disease, stroke, and type 2 diabetes are leading causes of preventable death. Recent evidence suggests that altered myocellular lipid metabolism in obesity may lead to increased insulin resistance (IR) that predisposes to these disorders. To test the hypothesis that muscles rich in type I vs. type II muscle fibers would exhibit similar changes in intramyocellular lipid (IMCL) and extramyocellular lipid (EMCL) content in obesity, we utilized a new four-dimensional multi echo echo-planar correlated spectroscopic imaging technique that allows separate determination of IMCL and EMCL content in individual calf muscles in obese vs...
December 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29226041/dapagliflozin-cardiovascular-safety-and-benefits-in-type-2-diabetes-mellitus
#20
REVIEW
Fatima Saleem
Sodium-glucose co-transporter 2 inhibitors (SGLT2is) such as dapagliflozin, canagliflozin, and empagliflozin, are a promising new therapy in the treatment of type 2 diabetes mellitus (T2DM). SGLT2is can effectively reduce hyperglycemia thus improving glycemic control and they offer some beneficial effects on the cardiovascular (CV) system which can benefit patients with heart failure in addition toT2DM. The United States Food and Drug Administration requires new diabetes mellitus therapies to show a CV safety profile...
October 5, 2017: Curēus
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