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https://www.readbyqxmd.com/read/28532087/the-repairing-of-full-thickness-skin-deficiency-and-its-biological-mechanism-using-decellularized-human-amniotic-membrane-as-the-wound-dressing
#1
Mengsheng Song, Weiqing Wang, Qihua Ye, Shizhong Bu, Zhisen Shen, Yabin Zhu
Human amniotic membrane (HAM) was a biocompatible scaffold with advantages of anti-inflammatory, low antigen, feasibility, tolerance and low cost. In our previous work, HAM was treated to be decellularized using surfactant, lipase and DNAase methods and the efficacy as an implantable biological mesh was verified after decellularization treatment. In this work, we used the previous protocol to decellularize the fresh HAM, and applied it to repair full-thickness skin defects with Sprague-Dawley rats as the test animals...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531999/zro2-toughened-al2o3-based-near-net-shaped-femoral-head-unique-fabrication-approach-3d-microstructure-burst-strength-and-muscle-cell-response
#2
Debasish Sarkar, Sourav Mandal, B S Reddy, Nitu Bhaskar, D C Sundaresh, Bikramjit Basu
The development of reliable biomedical devices demands the use of an integrated manufacturing protocol with comprehensive understanding of prototype characterization in terms of 3D microstructural analysis along with biocompatibility. While addressing these issues for ZrO2 (3mol% Y2O3 stabilized)-toughened Al2O3-based femoral head prototypes, the present work reports a unique fabrication protocol involving a sequence of uniaxial compaction followed by pre-sintering, machining, final sintering and polishing to ensure dimensional tolerance with respect to the design of patient-specific femoral head...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531568/macronutrient-and-alcohol-intake-is-associated-with-intermuscular-adipose-tissue-in-a-randomly-selected-group-of-younger-and-older-men-and-women
#3
Kajsa Sjöholm, Lena Gripeteg, Ingrid Larsson
BACKGROUND: Alcohol and macronutrient intake have been found to be related to general and central body fat distribution. Intermuscular adipose tissue (IMAT) is a small ectopic fat depot located within the muscle bundles. IMAT is important for muscle function, mobility and energy homeostasis and also associated with cardiovascular- and diabetes-related risk factors. AIM: To test the hypothesis that macronutrient and alcohol intake is associated with IMAT. METHODS: 50 men and 50 women, randomly selected from the general population formed height- and weight-representative age groups of 50 younger (27-31 years) and 50 older (57-61 years) subjects...
June 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28531105/high-mobility-group-box-1-disrupts-metabolic-function-with-cigarette-smoke-exposure-in-a-ceramide-dependent-manner
#4
Oliver J Taylor, Mikayla O Thatcher, Sheryl T Carr, Jonathan L Gibbs, Annie M Trumbull, Mitchell E Harrison, Duane R Winden, Mackenzie J Pearson, Trevor S Tippetts, William L Holland, Paul R Reynolds, Benjamin T Bikman
We have previously found that cigarette smoke disrupts metabolic function, in part, by increasing muscle ceramide accrual. To further our understanding of this, we sought to determine the role of the cytokine high-mobility group box 1 (HMGB1), which is increased with smoke exposure, in smoke-induced muscle metabolic perturbations. To test this theory, we determined HMGB1 from lungs of human smokers, as well as from lung cells from mice exposed to cigarette smoke. We also treated cells and mice directly with HMGB1, in the presence or absence of myriocin, an inhibitor of serine palmitoyltransferase, the rate-limiting enzyme in ceramide biosynthesis...
May 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28530575/effects-of-ergothioneine-rich-mushroom-extracts-on-lipid-oxidation-and-discoloration-in-salmon-muscle-stored-at-low-temperatures
#5
Jade Pahila, Hisayuki Kaneda, Reiko Nagasaka, Tomoyuki Koyama, Toshiaki Ohshima
The effects of supplementing ergothioneine-rich mushroom extracts (ME) on discoloration and lipid oxidation in astaxanthin-pigmented salmon muscles were evaluated. ME (Flammulina velutipes) were added (in vitro) to minced Oncorhynchus mykiss muscles and stored at -10°C. During several weeks of storage, the ME-treated group showed lower lipid hydroperoxide (HPO) accumulation and higher retained astaxanthin levels than in the control group. The effects of adding concentrated ME (Pleurotus cornucopiae) to Oncorhynchus kisutch diets were also tested over a 2-month feeding trial...
October 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28530517/contributions-of-body-composition-characteristics-to-critical-power-and-anaerobic-work-capacity
#6
M Travis Byrd, Jonathan Robert Switalla, Joel E Eastman, Brian J Wallace, Jody L Clasey, Haley C Bergstrom
Critical power (CP) and anaerobic work capacity (AWC) from the CP test represent distinct parameters related to metabolic characteristics of the whole body and active muscle tissue, respectively. PURPOSE: This study examined the contribution of whole body composition characteristics and local lean mass to further elucidate the differences in metabolic characteristics between CP and AWC as they relate to whole body and local factors. METHODS: Fifteen, anaerobically trained males were assessed for whole body (% body fat [%BF] and mineral-free, lean mass [LBM]) and local mineral-free thigh lean mass (TLM) composition characteristic...
May 22, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28530489/optimizing-calf-muscle-pump-function
#7
Christopher R Lattimer, Claude Franceschi, Evi Kalodiki
Background The tip toe manoeuvre has been promoted as the gold standard plethysmography test for measuring calf muscle pump function. The aim was to compare the tip toe manoeuvre, dorsiflexion manoeuvre and a body weight transfer manoeuvre using the ejection fraction of air-plethysmography and evaluate which has the best pumping effect. Methods Sixty-six archived tracings on 22 legs were retrieved from an air-plethysmography workshop and analysed. Pumping performance was measured using the calf volume reduction after each manoeuvre...
January 1, 2017: Phlebology
https://www.readbyqxmd.com/read/28530475/a-novel-electromyographic-approach-to-estimate-fatigue-threshold-in-maximum-incremental-strength-tests
#8
Jerónimo Aragón-Vela, Yaira Barranco-Ruiz, Cristina Casals, Julio Plaza-Díaz, Rafael A Casuso, Luis Fontana, Jesus R Huertas
Evaluation of muscular fatigue thresholds in athletes performing short-duration and explosive exercises is difficult due to the fact that classic parameters do not suffer large variations. Therefore, the aim of this study was to develop a new method to estimate the fatigue threshold in single muscles. Our approach is based on electromyographic data recorded during a maximun incremental strength test until the one repetition maximum (1RM) is reached. Ten men and ten women performed a half-squat strength test consisting of five incremental intensities of 1RM...
May 22, 2017: Motor Control
https://www.readbyqxmd.com/read/28530451/effect-of-high-volume-injection-platelet-rich-plasma-and-sham-treatment-in-chronic-midportion-achilles-tendinopathy-a-randomized-double-blinded-prospective-study
#9
Anders Ploug Boesen, Rudi Hansen, Morten Ilum Boesen, Peter Malliaras, Henning Langberg
BACKGROUND: Injection therapies are often considered alongside exercise for chronic midportion Achilles tendinopathy (AT), although evidence of their efficacy is sparse. PURPOSE: To determine whether eccentric training in combination with high-volume injection (HVI) or platelet-rich plasma (PRP) injections improves outcomes in AT. STUDY DESIGN: Randomized controlled trial; Level of evidence, 1. METHODS: A total of 60 men (age, 18-59 years) with chronic (>3 months) AT were included and followed for 6 months (n = 57)...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28530258/enhanced-recovery-program-erp-in-major-laryngeal-surgery-building-a-protocol-and-testing-its-feasibility
#10
M Gemma, S Toma, F Lira Luce, L Beretta, M Braga, M Bussi
Enhanced recovery programs (ERP) represent a multimodal approach to perioperative patient care. The benefits of ERP are well demonstrated in colorectal surgery and Enhanced Recovery After Surgery (ERAS®) programs, that epitomise the ERP concept, have being introduced in different specialties, including vascular, gastric, pancreatic, urogynecologic and orthopaedic surgery. However, no ERP has been proposed for head and neck surgery. We developed an expert-opinion-based ERP for laryngeal surgery based on the key principles of colorectal surgery ERAS®...
May 22, 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28530213/-the-model-of-perioperative-risk-assessment-in-elderly-patients-interim-analysis
#11
Izabela Grabowska, Lucyna Ścisło, Szymon Pietruszka, Elzbieta Walewska, Agata Paszko, Benita Siarkiewicz, Piotr Richter, Andrzej Budzyński, Antoni M Szczepanik
Demographic changes in contemporary society require implementation of proper perioperative care of elderly patients due to an increased risk of perioperative complications in this group. Preoperative assessment of health status identifies risks and enables preventive interventions, improving outcomes of surgical treatment. The Comprehensive Geriatric Assessment contains numerous diagnostic tests and consultations, which is expensive and difficult to use in everyday practice. The development of a simplified model of perioperative assessment of elderly patients will help identifying the group of patients who require further diagnostic workup...
April 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28529764/in-vivo-analysis-of-covering-materials-composed-of-biodegradable-polymers-enriched-with-flax-fibers
#12
Tomasz Gredes, Sandra Schönitz, Tomasz Gedrange, Lukas Stepien, Karol Kozak, Christiane Kunert-Keil
BACKGROUND: The objective of this study was to investigate the in vivo effect of bioactive composites with poly(lactic acid) (PLA) or polycaprolactone (PCL) as the matrix, reinforced with bioplastic flax fibers, on the surrounding muscle tissue. METHODS: Materials of pure PLA and PCL and their composites with flax fibers from genetically modified plants producing poly-3-hydroxybutyrate (PLA-transgen, PCL-transgen) and unmodified plants (PLA-wt, PCL-wt) were placed subcutaneous on the M...
2017: Biomaterials Research
https://www.readbyqxmd.com/read/28529600/prospective-evaluation-of-fluorescence-in-situ-hybridization-for-diagnosing-urothelial-carcinoma
#13
Tianhai Lin, Zhenhua Liu, Liangren Liu, Lu Yang, Ping Han, Peng Zhang, Qiang Wei
Urothelial carcinoma (UC) is the most common type of cancer of the bladder and upper urinary tract, and is characterized by a high risk of recurrence and progression. Urine fluorescence in situ hybridization (FISH) is a technique that detects genetic aberrations in exfoliated cells in the urine, with specific probes for chromosomes 3, 7 and 17 and the p16 gene. To evaluate the diagnostic value of FISH in UC, 119 patients from November 2010 to June 2012 with suspected UC were recruited into a prospective, cross-sectional study and were followed up for 12-30 months...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28528786/acoustic-perturbation-measures-improve-with-increasing-vocal-intensity-in-individuals-with-and-without-voice-disorders
#14
M Brockmann-Bauser, J E Bohlender, D D Mehta
OBJECTIVE: In vocally healthy children and adults, speaking voice loudness differences can significantly confound acoustic perturbation measurements. This study examines the effects of voice sound pressure level (SPL) on jitter, shimmer, and harmonics-to-noise ratio (HNR) in adults with voice disorders and a control group with normal vocal status. STUDY DESIGN: This is a matched case-control study. METHODS: We assessed 58 adult female voice patients matched according to approximate age and occupation with 58 vocally healthy women...
May 18, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28528759/replicate-effects-and-test-retest-reliability-of-quantitative-sensory-threshold-testing-in-dogs-with-and-without-chronic-pain
#15
David Knazovicky, Erika S Helgeson, Beth Case, Andrea Thomson, Margaret E Gruen, William Maixner, B Duncan X Lascelles
OBJECTIVE: To evaluate replicate effects and test-retest reliability of mechanical and thermal quantitative sensory testing (QST) in normal dogs and dogs with osteoarthritis (OA)-associated pain. STUDY DESIGN: A prospective clinical study. ANIMALS: A total of 54 client owned dogs (OA, n=31; controls, n=23). METHODS: Mechanical [electronic von Frey (EVF) and blunt pressure] and thermal (hot and cold) sensory thresholds were obtained in dogs with OA-associated pain and control dogs at two visits, 7 days apart, to assess test-retest reliability...
January 10, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28528703/does-fitness-improve-the-cardiovascular-risk-profile-in-obese-subjects
#16
H Halland, M T Lønnebakken, S Saeed, H Midtbø, D Cramariuc, E Gerdts
BACKGROUND AND AIMS: Good cardiorespiratory fitness has been suggested to reduce the risk of cardiovascular disease in obesity. We explored the association of fitness with the prevalences of major cardiovascular risk factor like hypertension (HT), diabetes and metabolic syndrome (MetS) in overweight and obese subjects. METHODS AND RESULTS: Clinical data from 491 participants in the FAT associated CardiOvasculaR dysfunction (FATCOR) study were analyzed. Physical fitness was assessed by ergospirometry, and subjects with at least good level of performance for age and sex were classified as fit...
April 26, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28528485/lead-and-arsenic-accumulation-and-its-effects-on-plasma-cortisol-levels-in-oreochromis-sp
#17
Nguyen Quoc Thang, Bui The Huy, Le Van Tan, Nguyen Thi Kim Phuong
The accumulation, elimination and effect of heavy metals on plasma cortisol levels in Oreochromis sp. were studied in the exposure and recovery phases. In the exposure phase, the mean rate of accumulation in the tissues was in the order gill > liver > muscle for Pb exposure and muscle > liver > gill for As exposure. In the recovery phase, the order of elimination in the tissues was gill > liver > muscle for Pb and liver > gill > muscle for As. The amount of cortisol secreted by the Oreochromis sp...
May 20, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528340/evaluation-of-hypocaloric-diet-with-protein-supplementation-in-middle-aged-sarcopenic-obese-women-a-pilot-study
#18
Rosa Sammarco, Maurizio Marra, Maria Luisa Di Guglielmo, Marianna Naccarato, Franco Contaldo, Eleonora Poggiogalle, Lorenzo Maria Donini, Fabrizio Pasanisi
OBJECTIVE: The aim of this study was to evaluate the efficacy of a nutritional program, which is characterized by a different modulation of proteins, in adult patients with sarcopenic obesity. METHODS: We studied 18 obese women aged 41-74 years. Obesity was diagnosed as fat mass > 34.8% and sarcopenia was defined when lean body mass was <90% of the subject's ideal fat free mass. All subjects were randomly assigned to different nutritional interventions: Hypocaloric diet plus placebo (A) and hypocaloric high-protein diet (1...
May 20, 2017: Obesity Facts
https://www.readbyqxmd.com/read/28528135/presymptomatically-applied-ampa-receptor-antagonist-prevents-calcium-increase-in-vulnerable-type-of-motor-axon-terminals-of-mice-modeling-amyotrophic-lateral-sclerosis
#19
Roland Patai, Melinda Paizs, Massimo Tortarolo, Caterina Bendotti, Izabella Obál, József I Engelhardt, László Siklós
Increased intracellular calcium (Ca), which might be the consequence of an excess influx through Ca-permeable α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptors, plays a crucial role in degeneration of motor neurons. Previously we demonstrated that the presymptomatic application of AMPA receptor antagonist, talampanel, could reduce Ca elevation in spinal motor neurons of mice carrying the G93A mutation of superoxide dismutase 1 (SOD1), modeling amyotrophic lateral sclerosis (ALS). It remained to be examined whether the remote, functionally semi-autonomous motor axon terminals could be rescued from the Ca overload, or if the terminals, where the degeneration possibly starts, already experience intractable changes at early time points...
May 17, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28527424/influence-of-chronic-stretching-on-muscle-performance-systematic-review
#20
D M Medeiros, C S Lima
The aim of the current study was to investigate the influence of chronic stretching on muscle performance (MP) by a systematic review. The search strategy included MEDLINE, PEDro, Cochrane CENTRAL, LILACS, and manual search from inception to June 2016. Randomized and controlled clinical trials, non-randomized, and single group studies that have analyzed the influence of flexibility training (FT) (using any stretching technique) on MP were included. Differently, studies with special populations (children, elderly, and people with any dysfunction/disease), and articles that have used FT protocols shorter than three weeks or 12 sessions were excluded...
May 17, 2017: Human Movement Science
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