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https://www.readbyqxmd.com/read/29691892/congenital-titinopathy-comprehensive-characterisation-and-pathogenic-insights
#1
Emily C Oates, Kristi J Jones, Sandra Donkervoort, Amanda Charlton, Susan Brammah, John E Smith, James S Ware, Kyle S Yau, Lindsay C Swanson, Nicola Whiffin, Anthony J Peduto, Adam Bournazos, Leigh B Waddell, Michelle A Farrar, Hugo A Sampaio, Hooi Ling Teoh, Phillipa J Lamont, David Mowat, Robin B Fitzsimons, Alastair J Corbett, Monique M Ryan, Gina L O'Grady, Sarah A Sandaradura, Roula Ghaoui, Himanshu B Joshi, Jamie L Marshall, Melinda A Nolan, Simranpreet Kaur, Jaya Punetha, Ana Töpf, Elizabeth Harris, Madhura Bakshi, Casie A Genetti, Minttu Marttila, Ulla Werlauff, Nathalie Streichenberger, Alan Pestronk, Ingrid Mazanti, Jason R Pinner, Carole Vuillerot, Carla Grosmann, Ana Camacho, Payam Mohassel, Meganne E Leach, A Reghan Foley, Diana Bharucha-Goebel, James Collins, Anne M Connolly, Heather R Gilbreath, Susan T Iannaccone, Diana Castro, Beryl B Cummings, Richard I Webster, Leïla Lazaro, John Vissing, Sandra Coppens, Nicolas Deconinck, Ho-Ming Luk, Neil H Thomas, Nicola C Foulds, Marjorie A Illingworth, Sian Ellard, Catriona A McLean, Rahul Phadke, Gianina Ravenscroft, Nanna Witting, Peter Hackman, Isabelle Richard, Sandra T Cooper, Erik-Jan Kamsteeg, Eric P Hoffman, Kate Bushby, Volker Straub, Bjarne Udd, Ana Ferreiro, Kathryn N North, Nigel F Clarke, Monkol Lek, Alan H Beggs, Carsten G Bönnemann, Daniel G MacArthur, Henk Granzier, Mark R Davis, Nigel G Laing
OBJECTIVE: Comprehensive clinical characterisation of congenital titinopathy to facilitate diagnosis and management of this important emerging disorder. METHODS: Using massively parallel sequencing we identified 30 patients from 27 families with two pathogenic nonsense, frameshift and/or splice site TTN mutations in trans. We then undertook a detailed analysis of the clinical, histopathology and imaging features of these patients. RESULTS: All patients had prenatal- or early-onset hypotonia and/or congenital contractures...
April 25, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29691575/-protective-effects-of-endogenous-carbon-monoxide-against-myocardial-ischemia-reperfusion-injury-in-rats
#2
Zhen Zhou, Shuang Ma, Jie Liu, Qiao-Rong Ji, Cheng-Zhu Cao, Xiao-Na Li, Feng Tang, Wei Zhang
The present study is aimed to explore the effects of endogenous carbon monoxide on the ischemia-reperfusion in rats. Wistar rats were intraperitoneally injected with protoporphyrin cobalt chloride (CoPP, an endogenous carbon monoxide agonist, 5 mg/kg), zinc protoporphyrin (ZnPP, an endogenous carbon monoxide inhibitor, 5 mg/kg) or saline. Twenty-four hours after injection, the myocardial ischemia-reperfusion model was made by Langendorff isolated cardiac perfusion system, and cardiac function parameters were collected...
April 25, 2018: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/29691397/non-invasive-detection-of-human-cardiomyocyte-death-using-methylation-patterns-of-circulating-dna
#3
Hai Zemmour, David Planer, Judith Magenheim, Joshua Moss, Daniel Neiman, Dan Gilon, Amit Korach, Benjamin Glaser, Ruth Shemer, Giora Landesberg, Yuval Dor
Detection of cardiomyocyte death is crucial for the diagnosis and treatment of heart disease. Here we use comparative methylome analysis to identify genomic loci that are unmethylated specifically in cardiomyocytes, and develop these as biomarkers to quantify cardiomyocyte DNA in circulating cell-free DNA (cfDNA) derived from dying cells. Plasma of healthy individuals contains essentially no cardiomyocyte cfDNA, consistent with minimal cardiac turnover. Patients with acute ST-elevation myocardial infarction show a robust cardiac cfDNA signal that correlates with levels of troponin and creatine phosphokinase (CPK), including the expected elevation-decay dynamics following coronary angioplasty...
April 24, 2018: Nature Communications
https://www.readbyqxmd.com/read/29691272/immune-mediated-necrotising-myopathy-a-rare-cause-of-hyperckaemia
#4
Emily Liang, Mandana Rastegar
Immune-mediated necrotising myopathy (IMNM) is a type of inflammatory myopathy characterised by acute or subacute severe proximal muscle weakness, significantly elevated creatine kinase levels, and prominent myofibre necrosis and regeneration with little or no inflammation. A subtype of IMNM identified by anti-HMG-CoA reductase (HMGCR)antibodies has been shown to be associated with statin exposure. Treatment of IMNM consists of immunosuppression with steroids, steroid-sparing agents, intravenous immune globulin and/or biologics...
April 24, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29689567/ampk-contributes-to-cardioprotective-effects-of-pterostilbene-against-myocardial-ischemia-reperfusion-injury-in-diabetic-rats-by-suppressing-cardiac-oxidative-stress-and-apoptosis
#5
Ramoji Kosuru, Yin Cai, Vidya Kandula, Dan Yan, Chunyan Wang, Hong Zheng, Yalan Li, Michael G Irwin, Sanjay Singh, Zhengyuan Xia
BACKGROUND/AIMS: Pterostilbene (PT) exerts antidiabetic effects by decreasing blood glucose and modulating lipid metabolism and has been shown to attenuate myocardial ischemia-reperfusion (IR) injury in non-diabetic subjects. However, whether PT can protect against myocardial IR injury in diabetes is unknown. AMPK stimulation is indispensable in offering cardioprotection against myocardial IR injury in diabetes by limiting cardiac apoptosis. Thus, we hypothesized that PT may confer protection against myocardial IR injury in diabetes via AMPK activation...
April 18, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29689564/pulmonary-exposure-to-particulate-matter-pm2-5-affects-the-sensitivity-to-myocardial-ischemia-reperfusion-injury-through-farnesoid-x-receptor-induced-autophagy
#6
Fei Tong, Hua Zhang
BACKGROUND/AIMS: The purpose of this study was to investigate the effect of administering particulate matter (PM2.5) to the lungs on the sensitivity to myocardial ischemia/reperfusion injury (MI/RI) and the role of farnesoid-X-receptor (FXR)-induced autophagy in this process. METHODS: Male Sprague Dawley (SD) rats were subjected to 45 min of ischemia, and the lungs were exposed to 2.0 mg of PM2.5 in 0.3 mL of normal saline 5 min before reperfusion. After 24 h of reperfusion, the blood and myocardium were collected, and the myocardial infarct sizes, activities of serum creatine kinase (CK) and lactate dehydrogenase (LDH), and levels of serum high sensitivity C-reactive protein (hsCRP), interleukin-4 (IL-4), interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), cardiac troponin T (cTnT), P-selectin and D-dimer were measured via biochemical analysis...
April 19, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29689346/b-type-natriuretic-peptide-attenuates-endoplasmic-reticulum-stress-in-h9c2-cardiomyocytes-underwent-hypoxia-reoxygenation-injury-under-high-glucose-high-fat-conditions
#7
Pan Chang, Mingyang Zhang, Xiaomeng Zhang, Guohua Li, Haiyan Hu, Juan Wu, Xihui Wang, Zihua Yang, Jing Zhang, Weiguo Chen, Minggang Ren, Xin Li, Miaozhang Zhu, Baoying Chen, Jun Yu
Exogenously administered B-type natriuretic peptide (BNP) has been shown to provide cardioprotection against various heart diseases. However, the underlying mechanisms remain elusive. This study explores whether BNP exerts its cardioprotection against hypoxia/reoxygenation (H/R) injury under high glucose/high fat (HG/HF) conditions in cardiac H9c2 cells and uncovers the underlying mechanisms. Our data revealed that BNP significantly increased the cell viability and decreased the release of lactate dehydrogenase (LDH) and creatine kinase (CK), with a maximal effect at the BNP concentration of 10-7  mol/L...
April 21, 2018: Peptides
https://www.readbyqxmd.com/read/29687877/the-mechanism-of-exogenous-adiponectin-in-the-prevention-of-no-reflow-phenomenon-in-type-2-diabetic-patients-with-acute-myocardial-infarction-during-pci-treatment
#8
C-J Zhang, Y-Z Deng, Y-H Lei, J-B Zhao, W Wei, Y-H Li
OBJECTIVE: To investigate the mechanism of exogenous adiponectin in the prevention of no-reflow phenomenon in type 2 diabetic (T2DM) patients with acute myocardial infarction (AMI) during percutaneous coronary intervention (PCI) treatment. PATIENTS AND METHODS: 66 patients were randomly divided into control group and observation group, 33 cases in each group. According to the percutaneous coronary intervention (PCI) emergency treatment principle, patients from the control group were treated with an intracoronary injection of adenosine combined with a micro-pump intravenous infusion of tirofiban...
April 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29686945/more-massive-but-potentially-less-healthy-black-vultures-feeding-in-rubbish-dumps-differed-in-clinical-and-biochemical-parameters-with-wild-feeding-birds
#9
Pablo Ignacio Plaza, Sergio Agustin Lambertucci
Background: Organic waste is one of the most important anthropogenic food subsidies used by different species. However, there is little information about the health impact that rubbish dumps produce on species foraging in these sites. Methods: We studied the effect that rubbish dumps produce on the health of a scavenging bird from the Americas, the black vulture ( Coragyps atratus ). We sampled and studied clinical and biochemical parameters in 94 adult black vultures from two different sites in North Western Patagonia, a rubbish dump and the wild steppe...
2018: PeerJ
https://www.readbyqxmd.com/read/29686513/potential-role-of-cyanidin-3-glucoside-c3g-in-diabetic-cardiomyopathy-in-diabetic-rats-an-in-vivo-approach
#10
Weizhen Li, Songwen Chen, Genqing Zhou, Hongli Li, Lan Zhong, Shaowen Liu
The present study aimed to evaluate the importance of cyanidin 3-glucoside (C3G) of diabetic cardiomyopathy in diabetic rats. The rats were induced with diabetic using streptozotocin and total triglyceride (TG) and total cholesterol (TC) were determined. The range of myocardial enzymes such as aspartate aminotransferase (AST), creatine kinase (CK) and lactate dehydrogenase (LD) were also estimated, further, the Immuno histochemical analysis and western blot investigation were determined for the actual activity of C3G...
March 2018: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/29685828/influence-of-cold-water-immersion-on-recovery-of-elite-triathletes-following-the-ironman-world-championship
#11
Rebecca L Stearns, Julie K Nolan, Robert A Huggins, Carl M Maresh, Colleen X Munõz, Kelly D Pagnotta, Brittanie M Volk, Douglas J Casa
OBJECTIVES: Cold water immersion (CWI) has been widely used for enhancing athlete recovery though its use following an Ironman triathlon has never been examined. The purpose of this paper is to determine the influence of CWI immediately following an Ironman triathlon on markers of muscle damage, inflammation and muscle soreness. DESIGN: Prospective cohort study. METHODS: Thirty three (22 male, 11 female), triathletes participating in the Ironman World Championships volunteered to participate (mean±SD: age=40±11years; height=174...
January 31, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29679541/treatment-with-d-%C3%AE-hydroxybutyrate-protects-heart-from-ischemia-reperfusion-injury-in-mice
#12
Yongsheng Yu, Yunhua Yu, Yuefan Zhang, Zhigang Zhang, Weishuai An, Xianxian Zhao
The present study was designed to examine the protection of D-β-hydroxybutyrate (BHB) against ischemia/reperfusion (I/R) injury in heart and investigate its underlying mechanism. Male adult mice were exposed to 30min of ischemia and 24h of reperfusion. Osmotic pumps were implanted subcutaneously 5min before reperfusion for continuous delivery of the exogenous BHB (1.6mmol/kg/24h). Treatment with BHB reduced infarct size and levels of cardiac troponin I, creatine kinase and lactate dehydrogenase in serum, attenuated apoptosis in myocardium, and preserved cardiac function of I/R mice...
April 18, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29679309/effect-of-downhill-walking-on-next-day-muscle-damage-and-glucose-metabolism-in-healthy-young-subjects
#13
Airi Nakayama, Wataru Aoi, Maki Takami, Nariyuki Hirano, Yumi Ogaya, Sayori Wada, Akane Higashi
This study aimed to investigate the effect of downhill walking on muscle damage and glucose metabolism in healthy subjects. All ten healthy young men and women (age, 24.0 ± 1.4 years) performed rest, uphill walking, and downhill walking trials. In the exercise trials, uphill (+ 5%) or downhill (- 5%) treadmill walking was performed at 6 km/h for 30 min. On the next day, muscle soreness was significantly higher in the downhill trial than in the uphill trial (P < 0.01). Respiratory metabolic performance did not differ between trials...
April 20, 2018: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/29679284/garlic-allium-sativum-exhibits-a-cardioprotective-effect-in-experimental-chronic-renal-failure-rat-model-by-reducing-oxidative-stress-and-controlling-cardiac-na-k-atpase-activity-and-ca-2-levels
#14
Asmaa M S Gomaa, Alaa T Abdelhafez, Hazem A Aamer
Gentamicin (GNT)-induced nephrotoxicity culminates into renal failure with a possible cardiovascular impact. Garlic extract (GE) is a cardiovascular protectant with limited mechanistic data. Therefore, we assessed the disturbance in specific cardiac parameters and the potential protective effect of GE supplementation against them in a rat model of GNT-induced chronic renal failure (CRF). Adult male rats (n = 24) were randomly assigned into four groups (n = 6 each): normal controls (CON), garlic extract controls (GE; 250 mg kg-1 , orally), GNT-induced CRF (GNT; 100 mg kg-1 , i...
April 21, 2018: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/29678839/diagnostic-and-differential-diagnostic-significance-of-laboratory-markers-in-crayfish-associated-rhabdomyolysis
#15
Caidong Liu, Haoyu Wang, Chenbin Zhu, Yishan Wang, Yanping Mei, Tianyi Gao, Yingdong Gao, Yongxiang Xia, William C Cho, Shukui Wang
CONTEXT: Haff disease is a rare syndrome of myalgia and rhabdomyolysis occurring within 24h of consumption of certain types of cooked freshwater fish or crustacean. OBJECTIVE: The white blood cell count (WBC), plasma creatine kinase (CK), creatine kinase isoenzyme (CK-MB), CK-MB/CK, troponin T (cTnT) and creatinine (Cr) were analyzed as diagnostic markers for crayfish ( Procambarus clarkii )-associated rhabdomyolysis (Haff disease). The significance of these laboratory markers in differentiating myocardial injury disease and Haff disease was explored...
March 2018: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29676656/the-effects-of-beta-hydroxy-beta-methylbutyrate-supplementation-on-recovery-following-exercise-induced-muscle-damage-a-systematic-review-and-meta-analysis
#16
Mohammad Hossein Rahimi, Hamed Mohammadi, Hesam Eshaghi, Gholamreza Askari, Maryam Miraghajani
BACKGROUND: Growing evidence suggests beta-hydroxy-beta-methylbutyrate's (HMB) positive effects on recovery following exercise-induced muscle damage (EIMD). However, findings vary substantially across studies. OBJECTIVE: A meta-analysis of randomized controlled trials was conducted to assess the effects of HMB supplementation on recovery following EIMD by assessing indirect markers of muscle damage, namely creatine kinase (CK) and lactate dehydrogenase (LDH) serum levels among healthy participants...
April 20, 2018: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/29675916/serum-apoa4-levels-predicted-the-progression-of-renal-impairment-in-t2dm
#17
Chao-Wen Cheng, Che-Chang Chang, Hsiu-Wen Chen, Ching-Yu Lin, Jin-Shuen Chen
BACKGROUND: Among multiple causes, diabetic nephropathy (DN) is the major underlying renal disease that leads to end-stage renal disease (ESRD), and early diagnosis can effectively prevent or delay the progression to ESRD. Therefore, the current study aimed to develop non-invasive, accurate detection markers. MATERIALS & METHODS: For this study, 62 diabetes mellitus (DM) patients, 59 DN patients, and 21 healthy controls (HCs) were recruited. All participants' serum samples were subjected to concavanalin (Con) A affinity chromatography, which utilizes glycoproteins to discover potential markers...
April 19, 2018: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29673544/no-effect-of-creatine-monohydrate-supplementation-on-inflammatory-and-cartilage-degradation-biomarkers-in-individuals-with-knee-osteoarthritis
#18
Stephen M Cornish, Jason D Peeler
The study purpose was to evaluate the effectiveness of creatine monohydrate supplementation (20 grams/day for 1 week and then 5 grams/day for 11 weeks) on inflammation (C-reactive protein, interleukin-1β, interleukin-6, s100 A8/A9, and tumor necrosis factor-α) and cartilage degradation (serum cartilage oligomeric matrix protein) in patients with knee osteoarthritis. We hypothesized that supplementing with creatine monohydrate for 12 weeks would lower biomarkers of inflammation and cartilage degradation in patients with knee osteoarthritis when compared to placebo...
March 2018: Nutrition Research
https://www.readbyqxmd.com/read/29671714/blood-chemistry-reference-values-for-free-ranging-asiatic-black-bears-ursus-thibetanus-by-season-age-and-sex
#19
Jeong-Jin Yang, Dong-Hyuk Jeong, Yoon-Kyu Lim
Physiological characteristics, such as blood chemistry values, are valuable for evaluating the health of the animals. To our knowledge, these values have never been reported for the free-ranging Asiatic black bear ( Ursus thibetanus; ABB). Thus, 28 blood chemistry values from 50 free-ranging ABBs captured in Jirisan National Park, Republic of Korea, from 2005 to 2016 were evaluated. The aim of this study was to establish blood chemistry reference values for the free-ranging ABBs during both the hibernating and nonhibernating seasons...
April 19, 2018: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/29670333/upregulation-of-vascular-endothelial-growth-factor-receptor-1-contributes-to-sevoflurane-preconditioning-mediated-cardioprotection
#20
Bin Qian, Yang Yang, Yusheng Yao, Yanling Liao, Ying Lin
Purpose: Sevoflurane preconditioning (SPC) can provide myocardial protective effects similar to ischemic preconditioning. However, the exact mechanism of SPC remains unclear. Previous studies indicate that vascular endothelial growth factor receptor 1 (VEGFR-1) is involved in ischemic preconditioning-mediated cardioprotection. This study was designed to determine the significance of VEGFR-1 signaling in SPC-mediated cardioprotection. Materials and methods: Myocardial ischemia-reperfusion (I/R) rat model was established using the Langendorff isolated heart perfusion apparatus...
2018: Drug Design, Development and Therapy
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