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https://www.readbyqxmd.com/read/29342149/low-expression-of-il-18-and-il-18-receptor-in-human-skeletal-muscle-is-associated-with-systemic-and-intramuscular-lipid-metabolism-role-of-hiv-lipodystrophy
#1
Birgitte Lindegaard, Thine Hvid, Helene Wolsk Mygind, Ole Hartvig-Mortensen, Thomas Grøndal, Julie Abildgaard, Jan Gerstoft, Bente Klarlund Pedersen, Marcin Baranowski
INTRODUCTION: Interleukin (IL)-18 is involved in regulation of lipid and glucose metabolism. Mice lacking whole-body IL-18 signalling are prone to develop weight gain and insulin resistance, a phenotype which is associated with impaired fat oxidation and ectopic skeletal muscle lipid deposition. IL-18 mRNA is expressed in human skeletal muscle but a role for IL-18 in muscle has not been identified. Patients with HIV-infection and lipodystrophy (LD) are characterized by lipid and glucose disturbances and increased levels of circulating IL-18...
2018: PloS One
https://www.readbyqxmd.com/read/29342124/the-root-of-atractylodes-macrocephala-koidzumi-prevents-obesity-and-glucose-intolerance-and-increases-energy-metabolism-in-mice
#2
Mi Young Song, Soo-Kyoung Lim, Jing-Hua Wang, Hojun Kim
Targeting energy expenditure offers a strategy for treating obesity more effectively and safely. In previous studies, we found that the root of Atractylodes macrocephala Koidzumi (Atractylodis Rhizoma Alba, ARA) increased energy metabolism in C2C12 cells. Here, we investigated the effects of ARA on obesity and glucose intolerance by examining energy metabolism in skeletal muscle and brown fat in high-fat diet (HFD) induced obese mice. ARA decreased body weight gain, hepatic lipid levels and serum total cholesterol levels, but did not modify food intake...
January 17, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29340933/forces-generated-by-vastus-lateralis-and-vastus-medialis-decrease-with-increasing-stair-descent-speed
#3
Elena J Caruthers, Kassandra K Oxendale, Jacqueline M Lewis, Ajit M W Chaudhari, Laura C Schmitt, Thomas M Best, Robert A Siston
Stair descent (SD) is a common, difficult task for populations who are elderly or have orthopaedic pathologies. Joint torques of young, healthy populations during SD increase at the hip and ankle with increasing speed but not at the knee, contrasting torque patterns during gait. To better understand the sources of the knee torque pattern, we used dynamic simulations to estimate knee muscle forces and how they modulate center of mass (COM) acceleration across SD speeds (slow, self-selected, and fast) in young, healthy adults...
January 16, 2018: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29337009/coherence-and-interlimb-force-control-effects-of-visual-gain
#4
Nyeonju Kang, James H Cauraugh
Neural coupling across hemispheres and homologous muscles often appears during bimanual motor control. Force coupling in a specific frequency domain may indicate specific bimanual force coordination patterns. This study investigated coherence on pairs of bimanual isometric index finger force while manipulating visual gain and task asymmetry conditions. We used two visual gain conditions (low and high gain = 8 and 512 pixels/N), and created task asymmetry by manipulating coefficient ratios imposed on the left and right index finger forces (0...
January 11, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29335359/recruitment-of-additional-corticospinal-pathways-in-the-human-brain-with-state-dependent-paired-associative-stimulation
#5
Dominic Kraus, Georgios Naros, Robert Guggenberger, Maria Teresa Leão, Ulf Ziemann, Alireza Gharabaghi
Standard brain stimulation protocols modify human motor cortex excitability by modulating the gain of the activated corticospinal pathways. However, the restoration of motor function following lesions of the corticospinal tract requires also the recruitment of additional neurons to increase the net corticospinal output. For this purpose, we investigated a novel protocol based on brain state-dependent paired associative stimulation.Motor imagery (MI)-related electroencephalography was recorded in healthy males and females for brain state-dependent control of both cortical and peripheral stimulation in a brain-machine interface environment...
January 15, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29334332/quantifying-lower-extremity-and-trunk-function-for-dressing-in-stroke-patients-a-retrospective-observational-study
#6
Takaaki Fujita, Atsushi Sato, Kazuaki Iokawa, Kazuhiro Yamane, Yuichi Yamamoto, Yoko Ohira, Koji Otsuki, Fusae Tozato
Background Dressing performance relates strongly with balance function, and it is mainly influenced by the motor functions of the affected and unaffected lower extremity and trunk function in stroke patients. For the remedial approach to be effective, ascertaining the degree of function needed in the affected and unaffected lower extremities and trunk to achieve balance function requisite for dressing is necessary. Objectives This study aimed to elucidate standards of lower extremity and trunk function necessary for stroke patients to gain balance requisite for dressing...
January 15, 2018: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/29332743/myoeletric-indices-of-fatigue-adopting-different-rest-intervals-during-leg-press-sets
#7
Humberto Miranda, Marianna Maia, Carlos G de Oliveira, Déborah Farias, Jurandir B da Silva, Vicente P Lima, Jeffrey M Willardson, Gabriel A Paz
INTRODUCTION: The purpose of this study was to examine the acute effect of different rest intervals between multiple sets of the 45° angled leg press exercise (LP45) on surface electromyographic (SEMG) spectral and amplitude indices of fatigue. METHODS: Fifteen recreationally trained females performed three protocols in a randomized crossover design; each consisting of four sets of 10 repetitions with 1 (P1), 3 (P3), or 5 (P5) minute rest intervals between sets...
January 2018: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29329560/overexpression-of-the-double-homeodomain-protein-dux4c-interferes-with-myofibrillogenesis-and-induces-clustering-of-myonuclei
#8
Céline Vanderplanck, Alexandra Tassin, Eugénie Ansseau, Sébastien Charron, Armelle Wauters, Céline Lancelot, Kelly Vancutsem, Dalila Laoudj-Chenivesse, Alexandra Belayew, Frédérique Coppée
BACKGROUND: Facioscapulohumeral muscular dystrophy (FSHD) is associated with DNA hypomethylation at the 4q35 D4Z4 repeat array. Both the causal gene DUX4 and its homolog DUX4c are induced. DUX4c is immunodetected in every myonucleus of proliferative cells, while DUX4 is present in only 1/1000 of myonuclei where it initiates a gene deregulation cascade. FSHD primary myoblasts differentiate into either atrophic or disorganized myotubes. DUX4 expression induces atrophic myotubes and associated FSHD markers...
January 12, 2018: Skeletal Muscle
https://www.readbyqxmd.com/read/29329295/novel-signature-fatty-acid-profile-of-the-giant-manta-ray-suggests-reliance-on-an-uncharacterised-mesopelagic-food-source-low-in-polyunsaturated-fatty-acids
#9
Katherine B Burgess, Michel Guerrero, Andrea D Marshall, Anthony J Richardson, Mike B Bennett, Lydie I E Couturier
Traditionally, large planktivorous elasmobranchs have been thought to predominantly feed on surface zooplankton during daytime hours. However, the recent application of molecular methods to examine long-term assimilated diets, has revealed that these species likely gain the majority from deeper or demersal sources. Signature fatty acid analysis (FA) of muscle tissue was used to examine the assimilated diet of the giant manta ray Mobula birostris, and then compared with surface zooplankton that was collected during feeding and non-feeding events at two aggregation sites off mainland Ecuador...
2018: PloS One
https://www.readbyqxmd.com/read/29327710/genome-profiling-is-an-efficient-tool-to-avoid-the-stump-classification-of-uterine-smooth-muscle-lesions-a-comprehensive-array-genomic-hybridization-analysis-of-77-tumors
#10
Sabrina Croce, Agnès Ducoulombier, Agnès Ribeiro, Tom Lesluyes, Jean-Christophe Noel, Frédéric Amant, Louis Guillou, Eberhard Stoeckle, Mojgan Devouassoux-Shisheboran, Nicolas Penel, Anne Floquet, Laurent Arnould, Frédéric Guyon, Florence Mishellany, Camille Chakiba, Tine Cuppens, Michal Zikan, Agnès Leroux, Eric Frouin, Isabelle Farre, Catherine Genestie, Isabelle Valo, Gaëtan MacGrogan, Frédéric Chibon
The diagnosis of a uterine smooth muscle lesion is, in the majority of cases, straightforward. However, in a small number of cases, the morphological criteria used in such lesions cannot differentiate with certainty a benign from a malignant lesion and a diagnosis of smooth muscle tumor with uncertain malignant potential (STUMP) is made. Uterine leiomyosarcomas are often easy to diagnose but it is difficult or even impossible to identify a prognostic factor at the moment of the diagnosis with the exception of the stage...
January 12, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29325148/effect-of-dietary-%C3%AE-alanine-supplementation-on-growth-performance-meat-quality-carnosine-content-and-gene-expression-of-carnosine-related-enzymes-in-broilers
#11
Bo Qi, Jing Wang, You-Biao Ma, Shu-Geng Wu, Guang-Hai Qi, Hai-Jun Zhang
The objective of the current study was to investigate the effect of dietary β-alanine supplementation on growth performance, meat quality, antioxidant ability, carnosine content, and gene expression of carnosine-related enzymes in broiler chicks. We randomly assigned 540 1-day-old Arbor Acres broilers to 5 dietary treatments supplemented with 0 (control group), 250, 500, 1,000, or 2,000 mg/kg of β-alanine (mg β-alanine per kg feed). Each treatment included 6 replicates of 18 birds. The feeding trial lasted for 42 d...
January 6, 2018: Poultry Science
https://www.readbyqxmd.com/read/29323757/differentiation-associated-urothelial-cytochrome-p450-oxidoreductase-predicates-the-xenobiotic-metabolising-activity-of-luminal-muscle-invasive-bladder-cancers
#12
Simon C Baker, Volker M Arlt, Radek Indra, Madeleine Joel, Marie Stiborova, Ian Eardley, Niaz Ahmad, Wolfgang Otto, Maximilian Burger, Peter Rubenwolf, David H Phillips, Jennifer Southgate
Extra-hepatic metabolism of xenobiotics by epithelial tissues has evolved as a self-defence mechanism but has potential to contribute to the local activation of carcinogens. Bladder epithelium (urothelium) is bathed in excreted urinary toxicants and pro-carcinogens. This study reveals how differentiation affects cytochrome P450 (CYP) activity and the role of NADPH:P450 oxidoreductase (POR). CYP1A1 and CYP1B1 transcripts were inducible in normal human urothelial (NHU) cells maintained in both undifferentiated and functional barrier-forming differentiated states in vitro...
January 11, 2018: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29323052/quantification-of-intermuscular-and-intramuscular-adipose-tissue-using-magnetic-resonance-imaging-after-neurodegenerative-disorders
#13
REVIEW
Madoka Ogawa, Robert Lester, Hiroshi Akima, Ashraf S Gorgey
Ectopic adiposity has gained considerable attention because of its tight association with metabolic and cardiovascular health in persons with spinal cord injury (SCI). Ectopic adiposity is characterized by the storage of adipose tissue in non-subcutaneous sites. Magnetic resonance imaging (MRI) has proven to be an effective tool in quantifying ectopic adiposity and provides the opportunity to measure different adipose depots including intermuscular adipose tissue (IMAT) and intramuscular adipose tissue (IntraMAT) or intramuscular fat (IMF)...
December 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29318567/phenotyping-the-pathophysiology-of-obstructive-sleep-apnea-using-polygraphy-polysomnography-a-review-of-the-literature
#14
REVIEW
Marcello Bosi, Andrea De Vito, Bhik Kotecha, Luca Viglietta, Alberto Braghiroli, Joerg Steier, Martino Pengo, Giovanni Sorrenti, Riccardo Gobbi, Claudio Vicini, Venerino Poletti
Continuous positive airway pressure (CPAP) is the first-line treatment for the majority of patients affected by obstructive sleep apnea syndrome (OSA). However, long-term compliance with CPAP therapy may result limited and alternatives to CPAP therapy are required to address the increasing need to provide tailored therapeutic options. Understanding the pathophysiological traits (PTs) of OSA patients [upper airway (UA) anatomical collapsibility, loop gain (LG), arousal threshold (AT), and UA gain (UAG)] lies at the heart of the customized OSA treatment...
January 9, 2018: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/29314446/effects-of-an-immune-stimulant-inactivated-mycobacterium-phlei-on-the-growth-performance-as-well-as-meat-quality-of-fattening-pigs
#15
Jin-Feng Zhong, Wei-Gao Wu, Aseyinjan Tastan, Xiao-Qing Zhang, Bin Wang, Xiao-Peng Tang, Re-Jun Fang
Inactivated mycobacterium phlei (M. phlei) is well known for its immune-stimulatory functions in humans and livestock, but less information is available about the influence on meat quality of pigs when used as a feed additive. This study was designed to evaluate the effects of inactivated M. phlei on growth performance as well as meat quality of fattening pigs. A total of 240 cross-bred pigs ([Landrace × Yorkshire] × Duroc) with initial body weight of 80.14 ± 0.29 kg were randomly allocated to five treatments, each of which consisted of eight replicates with 6six pigs per replicate...
January 3, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29310946/validation-of-lumbar-spine-loading-from-a-musculoskeletal-model-including-the-lower-limbs-and-lumbar-spine
#16
Jason A Actis, Jasmin D Honegger, Deanna H Gates, Anthony J Petrella, Luis A Nolasco, Anne K Silverman
Low back mechanics are important to quantify to study injury, pain and disability. As in vivo forces are difficult to measure directly, modeling approaches are commonly used to estimate these forces. Validation of model estimates is critical to gain confidence in modeling results across populations of interest, such as people with lower-limb amputation. Motion capture, ground reaction force and electromyographic data were collected from ten participants without an amputation (five male/five female) and five participants with a unilateral transtibial amputation (four male/one female) during trunk-pelvis range of motion trials in flexion/extension, lateral bending and axial rotation...
December 13, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29306767/effects-of-concurrent-training-on-muscle-strength-in-older-adults-with-metabolic-syndrome-a-randomized-controlled-clinical-trial
#17
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/29306087/a-model-of-gallbladder-motility
#18
M Żulpo, J Balbus, P Kuropka, K Kubica
Impaired gallbladder motility leads to some clinical manifestations associated with its muscle contraction and/or the rate of filling with bile. To gain a better understanding of the possible reasons for different filling/emptying patterns we developed a mathematical model of the gallbladder that takes into account the kinetics of its filling and emptying and changes in the concentration of the accumulated bile. The model is based on four parameters responsible for the maximum speed of bile evacuation (Mg), pulsation of contractions (ω), the kinetic filling rate (kg) and the maximum bile mass accumulated in the gallbladder (mtotal)...
December 26, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29305245/home-parenteral-nutrition-increases-fat-free-mass-in-patients-with-incurable-gastrointestinal-cancer-results-of-a-randomized-controlled-trial
#19
Sine Roelsgaard Obling, Benedicte Vibjerg Wilson, Per Pfeiffer, Jens Kjeldsen
OBJECTIVE: Preventing loss of muscle mass and function is an enduring challenge in malnourished patients with incurable cancer. The benefit of supplemental home parenteral nutrition has not been firmly established. Our aim was to evaluate the effects of supplemental home parenteral nutrition, the primary endpoint being fat free mass (FFM) and secondary: muscle function, quality of life and overall survival. DESIGN AND METHODS: In a single centre open-label randomised controlled trial, patients with incurable gastrointestinal cancer, nutritionally at risk, were randomly assigned to either; a) best practice nutritional care and dietetic counselling (non-sHPN) or b) dietetic counselling and supplemental home parenteral nutrition (sHPN group)...
December 21, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29299376/aerobic-anti-gravity-exercise-in-patients-with-charcot-marie-tooth-disease-types-1a-and-x-a-pilot-study
#20
Kirsten L Knak, Linda K Andersen, John Vissing
Background: Charcot-Marie-Tooth (CMT) disease is a hereditary neuropathy associated with impaired walking capacity. Some patients are too weak in the lower extremity muscles to walk at gravity with sufficient intensity or duration to gain benefit. Aim: The aim was to investigate the effect of aerobic anti-gravity exercise in weak patients with CMT 1A and X. Methods: Five adult patients performed moderate-intensity aerobic anti-gravity exercise 3/week for 10 weeks...
December 2017: Brain and Behavior
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