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Muscle energy technique

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https://www.readbyqxmd.com/read/28910791/inflammation-and-protein-energy-wasting-in-the-uremic-milieu
#1
Magdalena Jankowska, Gabriela Cobo, Bengt Lindholm, Peter Stenvinkel
Inflammation is normally a protective and physiological response to harmful stimuli, but typically becomes an uncontrolled, maladaptive, and persistent process in patients with end-stage renal disease (ESRD). Through a deleterious cascade of poorly controlled reactions mediated by biologically active molecules (also called middle molecular weight uremia retention solutes), inflammation associates with a range of complications including cardiovascular disease and protein-energy wasting (PEW). Persistent inflammation, which is central to the conceptual etiological models of PEW and the malnutrition, inflammation, and atherosclerosis syndrome, induces and reignites processes leading to PEW in a number of ways including stimulation of both direct and indirect mechanisms of muscle proteolysis...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28888715/acute-traumatic-rupture-of-the-patellar-tendon-in-pediatric-population-case-series-and-review-of-the-literature
#2
Mohamed Abdelhamid Ali Yousef, Scott Rosenfeld
BACKGROUND: Intact knee extensor mechanism is required for the normal function of the lower extremity. Patellar tendon rupture is a relatively rare injury with peak age incidence around 40 years and usually occurs midsubstance. The occurrence of pure patellar tendon rupture without bony avulsion is an extremely rare injury in the pediatric population with few cases reported in the literature with limited information regarding frequency, complications, and outcomes in children. However, due to increased participation in sports and high-energy recreational activities during childhood, the frequency of such injuries has progressively increased...
September 1, 2017: Injury
https://www.readbyqxmd.com/read/28839183/trans-omics-approaches-used-to-characterise-fish-nutritional-biorhythms-in-leopard-coral-grouper-plectropomus-leopardus
#3
Miyuki Mekuchi, Kenji Sakata, Tomofumi Yamaguchi, Masahiko Koiso, Jun Kikuchi
Aquaculture is now a major supplier of fish, and has the potential to be a major source of protein in the future. Leopard coral groupers are traded in Asian markets as superior fish, and production via aquaculture has commenced. As feeding efficiency is of great concern in aquaculture, we sought to examine the metabolism of leopard coral groupers using trans-omics approaches. Metabolic mechanisms were comprehensively analysed using transcriptomic and metabolomic techniques. This study focused on the dynamics of muscular metabolites and gene expression...
August 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28755901/protein-energy-wasting-syndrome-in-advanced-chronic-kidney-disease-prevalence-and-specific-clinical-characteristics
#4
Almudena Pérez-Torres, M Elena González Garcia, Belén San José-Valiente, M Auxiliadora Bajo Rubio, Olga Celadilla Diez, Ana M López-Sobaler, Rafael Selgas
INTRODUCTION: Protein-energy wasting (PEW) is associated with increased mortality and differs depending on the chronic kidney disease (CKD) stage and the dialysis technique. The prevalence in non-dialysis patients is understudied and ranges from 0 to 40.8%. OBJECTIVE: To evaluate the nutritional status of a group of Spanish advanced CKD patients by PEW criteria and subjective global assessment (SGA). PATIENTS AND METHODS: Cross-sectional study of 186 patients (101 men) with a mean age of 66...
July 26, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28753835/current-evidence-of-transurethral-en-bloc-resection-of-nonmuscle-invasive-bladder-cancer-update-2016
#5
REVIEW
Mario W Kramer, Vincenzo Altieri, Rodolfo Hurle, Lukas Lusuardi, Axel S Merseburger, Jens Rassweiler, Julian P Struck, Thomas R W Herrmann
CONTEXT: En-bloc resection of bladder tumors (ERBT) is a promising alternative to conventional transurethral resection of bladder tumor. OBJECTIVE: To review the current results of ERBT. EVIDENCE ACQUISITION: A literature search of articles that included the keywords bladder and en bloc was performed on July 15, 2016 using PubMed/Medline. Relevant English-written original articles were considered. Data from the manuscripts were categorized focusing on recent trends on resection techniques, specimens' quality, morbidity, and recurrence...
January 11, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28739392/large-improvement-of-rf-transmission-efficiency-and-reception-sensitivity-for-human-in-vivo-31-p-mrs-imaging-using-ultrahigh-dielectric-constant-materials-at-7t
#6
Byeong-Yeul Lee, Xiao-Hong Zhu, Sebastian Rupprecht, Michael T Lanagan, Qing X Yang, Wei Chen
In vivo(31)P MRS provides a unique and important imaging tool for studying high-energy phosphate metabolism and bioenergetics noninvasively. However, compared to (1)H MRS, (31)P MRS with a relatively low gyromagnetic ratio (γ) has a lower and limited sensitivity even at ultrahigh field. The proof of concept has been recently demonstrated that the use of high dielectric constant (HDC) materials between RF coil and object sample could increase MRI signal and reduce required RF transmission power for reaching the same RF pulse flip angle in the region of interest...
July 21, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28721834/the-interaction-between-nutrition-and-exercise-for-promoting-health-and-performance
#7
Oliver C Witard, Derek Ball
The theme of The Nutrition Society Spring Conference 2017 was on the interaction between nutrition and exercise for promoting healthy ageing, maintaining cognitive function and improving the metabolic health of the population. The importance of this theme is highlighted by the public health issues surrounding obesity, diabetes and the age-related loss of skeletal muscle mass (sarcopenia). The opening symposium provided a historical perspective of both invasive and non-invasive methodologies for measuring exercise energetics and energy balance...
July 19, 2017: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/28683062/use-of-luciferase-probes-to-measure-atp-in-living-cells-and-animals
#8
Giampaolo Morciano, Alba Clara Sarti, Saverio Marchi, Sonia Missiroli, Simonetta Falzoni, Lizzia Raffaghello, Vito Pistoia, Carlotta Giorgi, Francesco Di Virgilio, Paolo Pinton
ATP, the energy exchange factor that connects anabolism and catabolism, is required for major reactions and processes that occur in living cells, such as muscle contraction, phosphorylation and active transport. ATP is also the key molecule in extracellular purinergic signaling mechanisms, with an established crucial role in inflammation and several additional disease conditions. Here, we describe detailed protocols to measure the ATP concentration in isolated living cells and animals using luminescence techniques based on targeted luciferase probes...
August 2017: Nature Protocols
https://www.readbyqxmd.com/read/28620318/extraction-protocols-for-individual-zebrafish-s-ventricle-myosin-and-skeletal-muscle-actin-for-in-vitro-motility-assays
#9
Lisa-Mareike Scheid, Cornelia Weber, Nasrin Bopp, Matias Mosqueira, Rainer H A Fink
The in vitro motility assay (IVMA) is a technique that enables the measurement of the interaction between actin and myosin providing a relatively simple model to understand the mechanical muscle function. For actin-myosin IVMA, myosin is immobilized in a measurement chamber, where it converts chemical energy provided by ATP hydrolysis into mechanical energy. The result is the movement of fluorescently labeled actin filaments that can be recorded microscopically and analyzed quantitatively. Resulting sliding speeds and patterns help to characterize the underlying actin-myosin interaction that can be affected by different factors such as mutations or active compounds...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28611675/cardiac-autonomic-responses-during-exercise-and-post-exercise-recovery-using-heart-rate-variability-and-systolic-time-intervals-a-review
#10
REVIEW
Scott Michael, Kenneth S Graham, Glen M Davis
Cardiac parasympathetic activity may be non-invasively investigated using heart rate variability (HRV), although HRV is not widely accepted to reflect sympathetic activity. Instead, cardiac sympathetic activity may be investigated using systolic time intervals (STI), such as the pre-ejection period. Although these autonomic indices are typically measured during rest, the "reactivity hypothesis" suggests that investigating responses to a stressor (e.g., exercise) may be a valuable monitoring approach in clinical and high-performance settings...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28559721/non-pharmacological-therapies-for-primary-open-angle-glaucoma-a-quasi-experimental-pilot-study
#11
Rahul Pandey, Asir John Samuel, Vencita Priyanka Aranha, Anamika Pandey, Kanimozhi Narkeesh
Purpose: One of the major causes of blindness is Primary open angle glaucoma (POAG) and it has only surgical treatment and lifelong use of medication. Hence many side effects arise. To overcome this, the drugless approach is in practice but the importance of Muscle Energy Technique (MET) and Myofacial (MFR) Release is not explored. Hence, our objective was to determine the effectiveness of MET and MFR on POAG. Methods: A total of 12 patients with POAG were recruited from the tertiary care teaching hospital through criteria based convenience sampling for the study...
April 2017: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28555757/using-urinary-parameters-to-estimate-seasonal-variation-in-the-physical-condition-of-female-white-faced-capuchin-monkeys-cebus-capucinus-imitator
#12
Mackenzie L Bergstrom, Melissa Emery Thompson, Amanda D Melin, Linda M Fedigan
OBJECTIVES: The physical condition of females depends on access to resources, which vary over space and time. Assessing variation in physical condition can help identify factors affecting reproductive success, but noninvasive measurement is difficult in wild animals. Creatinine concentration relative to the specific gravity (i.e., density) of urine has promise for noninvasively quantifying the relative muscle mass (RMM) of wild primates. We verified the relationship between these urinary parameters for wild white-faced capuchin monkeys, and assessed temporal changes in the RMM of females across groups and between periods of high and low resource abundance...
August 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28503503/measurement-methods-for-physical-activity-and-energy-expenditure-a-review
#13
REVIEW
Didace Ndahimana, Eun-Kyung Kim
Physical activity is defined as any bodily movement produced by skeletal muscles that results in energy expenditure. The benefits of physical activity for health maintenance have been well documented, especially in the prevention and management of chronic diseases. Therefore, accurate measurement of physical activity and energy expenditure is essential both for epidemiological studies and in the clinical context. Given the large number of available methods, it is important to have an understanding of each, especially when one needs to choose a technique to use...
April 2017: Clinical Nutrition Research
https://www.readbyqxmd.com/read/28494371/improving-surface-emg-burst-detection-in-infrahyoid-muscles-during-swallowing-using-digital-filters-and-discrete-wavelet-analysis
#14
Sebastian Restrepo-Agudelo, Sebastian Roldan-Vasco, Lina Ramirez-Arbelaez, Santiago Cadavid-Arboleda, Estefania Perez-Giraldo, Andres Orozco-Duque
The visual inspection is a widely used method for evaluating the surface electromyographic signal (sEMG) during deglutition, a process highly dependent of the examiners expertise. It is desirable to have a less subjective and automated technique to improve the onset detection in swallowing related muscles, which have a low signal-to-noise ratio. In this work, we acquired sEMG measured in infrahyoid muscles with high baseline noise of ten healthy adults during water swallowing tasks. Two methods were applied to find the combination of cutoff frequencies that achieve the most accurate onset detection: discrete wavelet decomposition based method and fixed steps variations of low and high cutoff frequencies of a digital bandpass filter...
August 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28489897/analysis-of-statistical-and-standard-algorithms-for-detecting-muscle-onset-with-surface-electromyography
#15
Matthew S Tenan, Andrew J Tweedell, Courtney A Haynes
The timing of muscle activity is a commonly applied analytic method to understand how the nervous system controls movement. This study systematically evaluates six classes of standard and statistical algorithms to determine muscle onset in both experimental surface electromyography (EMG) and simulated EMG with a known onset time. Eighteen participants had EMG collected from the biceps brachii and vastus lateralis while performing a biceps curl or knee extension, respectively. Three established methods and three statistical methods for EMG onset were evaluated...
2017: PloS One
https://www.readbyqxmd.com/read/28481993/inherited-eye-related-disorders-due-to-mitochondrial-dysfunction
#16
Patrick Yu-Wai-Man, Nancy J Newman
Genetic disorders due to mitochondrial dysfunction are not uncommon and the majority of these patients will have eye-related manifestations, including visual loss from the optic nerve and retinal disease, visual field loss from retrochiasmal visual pathway damage, and ptosis and ocular dysmotility from extraocular muscle involvement. Defects in both the nuclear and mitochondrial genomes cause mitochondrial dysfunction via several mechanisms, including impaired mitochondrial energy production, oxidative stress, mitochondrial DNA instability, abnormalities in the regulation of mitochondrial dynamics and mitochondrial quality control, and disturbed cellular interorganellar communication...
August 1, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28455271/evaluation-of-ablation-catheter-technology-comparison-between-thigh-preparation-model-and-an-in%C3%A2-vivo-beating-heart
#17
Eran Leshem, Cory M Tschabrunn, Fernando M Contreras-Valdes, Israel Zilberman, Elad Anter
BACKGROUND: An in vivo animal thigh model is the standard technique for evaluation of ablation catheter technologies, including efficacy and safety of ablation. However, the biophysics of ablation in a thigh model may not be similar to a beating heart. OBJECTIVE: The purpose of this study was to compare efficacy and safety of ablation between a thigh preparation model and a beating heart. METHODS: In 7 swine, radiofrequency ablation using a 3...
April 26, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28437606/transfer-study-of-silver-nanoparticles-in-poultry-production
#18
Federica Gallocchio, Giancarlo Biancotto, Veronica Cibin, Carmen Losasso, Simone Belluco, Ruud Peters, Greet van Bemmel, Claudia Cascio, Stefan Weigel, Peter Tromp, Federica Gobbo, Salvatore Catania, Antonia Ricci
Silver nanoparticles (AgNPs) are of interest due to their antimicrobial activity and are seen as potential candidates to replace antibiotics in animal husbandry. A few studies have focused on this new application, but they lack any considerations about residual accumulation of AgNPs in edible animal tissues and animal products. In this research, a 22 day in vivo study was carried out by oral administration of 20 nm spherical PVP coated AgNPs to hens. Six doses of approximately 1 mg kg(-1) of AgNPs-PVP each were administered to animals throughout the experimentation...
May 10, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28412225/enhancing-tissue-permeability-with-mri-guided-preclinical-focused-ultrasound-system-in-rabbit-muscle-from-normal-tissue-to-vx2-tumor
#19
Yao Sun, Xiaobing Xiong, Darpan Pandya, Youngkyoo Jung, Akiva Mintz, Satoru Hayasaka, Thaddeus J Wadas, King C P Li
High Intensity Focused Ultrasound (HIFU) is an emerging noninvasive, nonionizing physical energy based modality to ablate solid tumors with high power, or increase local permeability in tissues/tumors in pulsed mode with relatively low power. Compared with traditional ablative HIFU, nondestructive pulsed HIFU (pHIFU) is present in the majority of novel applications recently developed for enhancing the delivery of drugs and genes. Previous studies have demonstrated the capability of pHIFU to change tissue local permeability for enhanced drug delivery in both mouse tumors and mouse muscle...
June 28, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28395773/improving-data-quality-and-preserving-hcd-generated-reporter-ions-with-ethcd-for-isobaric-tag-based-quantitative-proteomics-and-proteome-wide-ptm-studies
#20
Qing Yu, Xudong Shi, Yu Feng, K Craig Kent, Lingjun Li
Mass spectrometry (MS)-based isobaric labeling has undergone rapid development in recent years due to its capability for high throughput quantitation. Apart from its originally designed use with collision-induced dissociation (CID) and higher-energy collisional dissociation (HCD), isobaric tagging technique could also work with electron-transfer dissociation (ETD), which provides complementarity to CID and is preferred in sequencing peptides with post-translational modifications (PTMs). However, ETD suffers from long reaction time, reduced duty cycle and bias against peptides with lower charge states...
May 22, 2017: Analytica Chimica Acta
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