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https://www.readbyqxmd.com/read/28816171/effect-of-magnesium-supplementation-on-muscular-damage-markers-in-basketball-players-during-a-full-season
#1
Alfredo Córdova Martínez, Diego Fernández-Lázaro, Juan Mielgo-Ayuso, Jesús Seco Calvo, Alberto Caballero García
Although it has been widely accepted that Mg has a positive effect on muscle function, studies on the efficacy of Mg supplementation in young athletes have generated contrasting results. The aim of this work was to examine the effect of Mg supplementation on muscular damage markers and the association between serum Mg levels with these muscular markers. Twelve elite male basketball players (PB) from a team of Spanish Professional Basketball League and a control group (CG) comprising twelve university students who practiced regularly recreational basketball and competed in minor university leagues participated in this study...
August 17, 2017: Magnesium Research: Official Organ of the International Society for the Development of Research on Magnesium
https://www.readbyqxmd.com/read/28797855/exploring-genetic-attributions-underlying-radiotherapy-induced-fatigue-in-prostate-cancer-patients
#2
Sepehr Hashemi, Juan Luis Fernandez Martinez, Leorey Saligan, Stephen Sonis
CONTEXT: Despite numerous proposed mechanisms, no definitive pathophysiology underlying Radiotherapy-Induced Fatigue (RIF) has been established. However, the dysregulation of a set of 35 genes was recently validated to predict development of fatigue in prostate cancer patients (PCP's) receiving radiotherapy. OBJECTIVES: To hypothesize novel pathways, and provide genetic targets for currently proposed pathways implicated in RIF development through analysis of the previously validated gene set...
August 7, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28797108/natural-disease-history-of-mouse-models-for-limb-girdle-muscular-dystrophy-types-2d-and-2f
#3
S Pasteuning-Vuhman, K Putker, C L Tanganyika-de Winter, J W Boertje-van der Meulen, L van Vliet, M Overzier, J J Plomp, A Aartsma-Rus, M van Putten
Limb-girdle muscular dystrophy types 2D and 2F (LGMD 2D and 2F) are autosomal recessive disorders caused by mutations in the alpha- and delta sarcoglycan genes, respectively, leading to severe muscle weakness and degeneration. The cause of the disease has been well characterized and a number of animal models are available for pre-clinical studies to test potential therapeutic interventions. To facilitate transition from drug discovery to clinical trials, standardized procedures and natural disease history data were collected for these mouse models...
2017: PloS One
https://www.readbyqxmd.com/read/28770170/high-throughput-microplate-based-assay-to-monitor-plasma-membrane-wounding-and-repair
#4
Sarika Pathak-Sharma, Xiaoli Zhang, Jonathan G T Lam, Noah Weisleder, Stephanie M Seveau
The plasma membrane of mammalian cells is susceptible to disruption by mechanical and biochemical damages that frequently occur within tissues. Therefore, efficient and rapid repair of the plasma membrane is essential for maintaining cellular homeostasis and survival. Excessive damage of the plasma membrane and defects in its repair are associated with pathological conditions such as infections, muscular dystrophy, heart failure, diabetes, and lung and neurodegenerative diseases. The molecular events that remodel the plasma membrane during its repair remain poorly understood...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28760643/reactive-oxygen-species-oxidative-stress-glaucoma-and-hyperbaric-oxygen-therapy
#5
Charles McMonnies
This review examines the role of oxidative stress in damage to cells of the trabecular meshwork and associated impaired aqueous drainage as well as damage to retinal ganglion cells and associated visual field losses. Consideration is given to the interaction between vascular and mechanical explanations for pathological changes in glaucoma. For example, elevated intraocular pressure (IOP) forces may contribute to ischaemia but there is increasing evidence that altered blood flow in a wider sense is also involved...
July 28, 2017: Journal of Optometry
https://www.readbyqxmd.com/read/28757835/pain-relief-following-thoracic-surgical-procedures-a-literature-review-of-the-uncommon-techniques
#6
REVIEW
Tariq Alzahrani
Thoracic surgical procedures can be either thoracotomy or thoracoscopy. In thoracotomy, the incision could be either muscle-cutting or muscle-sparing incision. The posterolateral thoracotomy incision is used for most general thoracic surgical procedures. This incision, which involves division of the latissimus dorsi and serratus anterior muscles, affords excellent exposure of the thoracic cavity. However, it is associated with significant morbidity, including impaired pulmonary function, postoperative chest pain, and restricted arm and shoulder movement...
July 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28755286/assessment-of-arsenic-trioxide-toxicity-on-cock-muscular-tissue-alterations-of-oxidative-damage-parameters-inflammatory-cytokines-and-heat-shock-proteins
#7
Si-Wen Li, Ying Guo, Ying He, Xiao Sun, Hong-Jing Zhao, Yu Wang, Ya-Jun Wang, Ming-Wei Xing
To evaluate the toxicity of arsenic trioxide (As2O3) in the muscular tissues (wing, thigh and pectoral) of birds, 72 one-day-old Hy-line cocks were selected and randomly divided into four groups. They were fed either a commercial diet or an arsenic-supplemented diet containing 7.5, 15 or 30 mg/kg As2O3. The experiment lasted for 90 days and the samples of muscular tissues were collected at 30, 60 and 90 days. The results showed that As2O3 exposure significantly lowered the activities of antioxidant enzymes (catalase (CAT), glutathione peroxidase (GSH-Px)) and inhibition ability of hydroxyl radicals (OH) and increased the malondialdehyde (MDA) contents...
July 28, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28751850/anmco-sic-sici-gise-sicch-executive-summary-of-consensus-document-on-risk-stratification-in-elderly-patients-with-aortic-stenosis-before-surgery-or-transcatheter-aortic-valve-replacement
#8
Giovanni Pulignano, Michele Massimo Gulizia, Samuele Baldasseroni, Francesco Bedogni, Giovanni Cioffi, Ciro Indolfi, Francesco Romeo, Adriano Murrone, Francesco Musumeci, Alessandro Parolari, Leonardo Patanè, Paolo Giuseppe Pino, Annalisa Mongiardo, Carmen Spaccarotella, Roberto Di Bartolomeo, Giuseppe Musumeci
Aortic stenosis is one of the most frequent valvular diseases in developed countries, and its impact on public health resources and assistance is increasing. A substantial proportion of elderly people with severe aortic stenosis is not eligible to surgery because of the advanced age, frailty, and multiple co-morbidities. Transcatheter aortic valve implantation (TAVI) enables the treatment of very elderly patients at high or prohibitive surgical risk considered ineligible for surgery and with an acceptable life expectancy...
May 2017: European Heart Journal Supplements: Journal of the European Society of Cardiology
https://www.readbyqxmd.com/read/28750621/clinical-and-electrophysiological-features-of-post-traumatic-guillain-barr%C3%A3-syndrome
#9
Xiaowen Li, Jinting Xiao, Yanan Ding, Jing Xu, Chuanxia Li, Yating He, Hui Zhai, Bingdi Xie, Junwei Hao
BACKGROUND: Post-traumatic Guillain-Barré syndrome (GBS) is a rarely described potentially life-threatening cause of weakness. We sought to elucidate the clinical features and electrophysiological patterns of post-traumatic GBS as an aid to diagnosis. METHODS: We retrospectively studied six patients diagnosed with post-traumatic GBS between 2014 and 2016 at Tianjin Medical University General Hospital, China. Clinical features, serum analysis, lumbar puncture results, electrophysiological examinations, and prognosis were assessed...
July 27, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28735850/enhanced-energetic-state-and-protection-from-oxidative-stress-in-human-myoblasts-overexpressing-bmi1
#10
Silvia Dibenedetto, Maria Niklison-Chirou, Claudia P Cabrera, Matthew Ellis, Lesley G Robson, Paul Knopp, Francesco Saverio Tedesco, Martina Ragazzi, Valentina Di Foggia, Michael R Barnes, Aleksandar Radunovic, Silvia Marino
The Polycomb group gene BMI1 is essential for efficient muscle regeneration in a mouse model of Duchenne muscular dystrophy, and its enhanced expression in adult skeletal muscle satellite cells ameliorates the muscle strength in this model. Here, we show that the impact of mild BMI1 overexpression observed in mouse models is translatable to human cells. In human myoblasts, BMI1 overexpression increases mitochondrial activity, leading to an enhanced energetic state with increased ATP production and concomitant protection against DNA damage both in vitro and upon xenografting in a severe dystrophic mouse model...
August 8, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28728682/-statin-and-risk-of-falls-in-the-elderly-a-sytematic-review-of-the-literature
#11
Luis Carlos Venegas Sanabria, Stephany Barbosa Balaquera, Ana María Suarez Acosta, Ángel Alberto García Peña, Carlos Alberto Cano Gutiérrez
BACKGROUND: With the high incidence of cardiovascular events in the elderly population the effectiveness of statins in reducing mortality from coronary events has been demonstrated. However, there have been adverse effects, such as myalgia, myopathy, myonecrosis, not to mention the falls as a result of muscle damage with statin use. OBJECTIVE: The purpose of this study is to conduct a systematic review to assess the literature on the association between statin use and the risk of falls...
July 17, 2017: Revista Española de Geriatría y Gerontología
https://www.readbyqxmd.com/read/28728320/temple-and-postauricular-dissection-in-face-and-neck-lift-surgery
#12
Joo Heon Lee, Tae Suk Oh, Sung Wan Park, Jae Hoon Kim, Tanvaa Tansatit
Periauricular paresthesia may afflict patients for a significant amount of time after facelift surgery. When performing face and neck lift surgery, temple and posterior auricular flap dissection is undertaken directly over the auriculotemporal, great auricular, and lesser occipital nerve territory, leading to potential damage to the nerve. The auriculotemporal nerve remains under the thin outer superficial fascia just below the subfollicular level in the prehelical area. To prevent damage to the auriculotemporal nerve and to protect the temporal hair follicle, the dissection plane should be kept just above the thin fascia covering the auriculotemporal nerve...
July 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28715594/physical-exercise-and-oxidative-stress-in-muscular-dystrophies-is-there-a-good-balance
#13
L Chico, G Ricci, M Cosci O Di Coscio, C Simoncini, G Siciliano
The effect of oxidative stress on muscle damage inducted by physical exercise is widely debated. It is generally agreed that endurance and intense exercise can increase oxidative stress and generate changes in antioxidant power inducing muscle damage; however, regular and moderate exercise can be beneficial for the health improving the antioxidant defense mechanisms in the majority of cases. Growing evidences suggest that an increased oxidative/nitrosative stress is involved in the pathogenesis of several muscular dystrophies (MDs)...
July 1, 2017: Archives Italiennes de Biologie
https://www.readbyqxmd.com/read/28713664/cdk-inhibitors-for-muscle-stem-cell-differentiation-and-self-renewal
#14
Amrudha Mohan, Atsushi Asakura
Regeneration of muscle is undertaken by muscle stem cell populations named satellite cells which are normally quiescent or at the G0 phase of the cell cycle. However, upon signals from damaged muscle, satellite cells lose their quiescence, and enter the G1 cell cycle phase to expand the population of satellite cell progenies termed myogenic precursor cells (MPCs). Eventually, MPCs stop their cell cycle and undergo terminal differentiation to form skeletal muscle fibers. Some MPCs retract to quiescent satellite cells as a self-renewal process...
2017: J Phys Fit Sports Med
https://www.readbyqxmd.com/read/28709849/effects-of-huperzin-a-on-the-beta-amyloid-accumulation-in-the-brain-and-skeletal-muscle-cells-of-a-rat-model-for-alzheimer-s-disease
#15
Cagatay Han Turkseven, Belgin Buyukakilli, Ebru Balli, Derya Yetkin, Mehmet Emin Erdal, Senay Gorucu Yilmaz, Leyla Sahin
AIMS: Alzheimer's Disease (AD) is characterized by a loss of cognitive function and also the accumulation of β-amyloid peptide (βAP) in the brain parenchyma, which plays an important role in this disease. However, it is often also associated with the non-cognitive symptoms such as loss of muscle function (Inclusion-Body Myositis-IBM). MAIN METHODS: Sprague-Dawley rats (13 weeks-n=68) were randomly assigned into five groups: Group C: Control; Group D: d-galactose; Group O+D: Bilateral oophorectomy+d-galactose; Group O: Bilateral oophorectomy; Group O+D+H: Bilateral oophorectomy+d-galactose+Hup-A...
September 1, 2017: Life Sciences
https://www.readbyqxmd.com/read/28702445/effect-of-a-professional-soccer-match-in-skin-temperature-of-the-lower-limbs-a-case-study
#16
Alex de Andrade Fernandes, Eduardo Mendonça Pimenta, Danilo Gomes Moreira, Manuel Sillero-Quintana, João Carlos Bouzas Marins, Rodrigo Figueiredo Morandi, Tane Kanope, Emerson Silami Garcia
The purpose of this study is to analyze the relationship between lower limbs skin temperature (Tsk) recorded by infrared thermography and creatine kinase (CK) response following an official soccer game. A professional soccer player, from the first division Brazilian League, defender, 27 years and 183 cm of height was analyzed. Measures of Tsk with a thermal camera and blood CK concentrations were obtained 24 hr before (24H-PRE), 24 (24H-POST) and 48 hr (48H-POST) after an official match. The results showed that CK values were 193 U/L 24 hr before, rising to 1,083 U/L 24 hr after the game and 414 U/L 48 hr after the game...
June 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28675250/effects-of-different-rest-stop-durations-at-control-posts-during-a-long-journey-on-the-welfare-of-sheep
#17
Stefano Messori, Cecilia Pedernera-Romano, Pedro Rodriguez, Shanis Barnard, Daniele Giansante, Diego Magnani, Antoni Dalmau, Antonio Velarde, Paolo Dalla Villa
All livestock transport within the European Union must comply with the EC Regulation 1÷2005. For sheep, this law prescribes a maximum journey of 29 hours after which animals must rest in control posts (CP) for 24 hours before further transportation. However, there is no scientific evidence de ning the effects of di erent stop duration on sheep recovery during long journeys. The aim of this study was to assess if a shorter stop could be provided without impairing ewes' welfare. Ninety-six adult ewes were divided into 4 homogenous groups...
June 30, 2017: Veterinaria Italiana
https://www.readbyqxmd.com/read/28666537/dermal-exposure-to-weathered-mc252-crude-oil-results-in-echocardiographically-identifiable-systolic-myocardial-dysfunction-in-double-crested-cormorants-phalacrocorax-auritus
#18
K E Harr, M Rishniw, T L Rupp, D Cacela, K M Dean, B S Dorr, K C Hanson-Dorr, K Healy, K Horak, J E Link, D Reavill, S J Bursian, F L Cunningham
During the Deepwater Horizon Natural Resource Damage Assessment, gross morphologic cardiac abnormalities, including softer, more distensible musculature, were noted upon gross necropsy in hearts from laughing gulls and double-crested cormorants exposed to weathered MC252 crude oil. A species specific, echocardiographic technique was developed for antemortem evaluation of function that was used to evaluate and better characterize cardiac dysfunction. Control (n=12) and treated (n=13) cormorant groups of similar sex-ratio and ages were dermally treated with approximately 13ml of water or weathered MC252 crude oil, respectively, every 3 days for 6 dosages...
June 27, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28642865/spinal-muscular-atrophy-from-defective-chaperoning-of-snrnp-assembly-to-neuromuscular-dysfunction
#19
REVIEW
Maia Lanfranco, Neville Vassallo, Ruben J Cauchi
Spinal Muscular Atrophy (SMA) is a neuromuscular disorder that results from decreased levels of the survival motor neuron (SMN) protein. SMN is part of a multiprotein complex that also includes Gemins 2-8 and Unrip. The SMN-Gemins complex cooperates with the protein arginine methyltransferase 5 (PRMT5) complex, whose constituents include WD45, PRMT5 and pICln. Both complexes function as molecular chaperones, interacting with and assisting in the assembly of an Sm protein core onto small nuclear RNAs (snRNAs) to generate small nuclear ribonucleoproteins (snRNPs), which are the operating components of the spliceosome...
2017: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/28637880/a-study-comparing-vein-integrity-and-clinical-outcomes-vico-in-open-vein-harvesting-and-two-types-of-endoscopic-vein-harvesting-for-coronary-artery-bypass-grafting-the-vico-randomised-clinical-trial
#20
Bhuvaneswari Krishnamoorthy, William R Critchley, Alexander J Thompson, Katherine Payne, Julie Morris, Rajamiyer V Venkateswaran, Ann L Caress, James E Fildes, Nizar Yonan
Background -Current consensus statements maintain that endoscopic vein harvesting (EVH) should be standard care in coronary artery bypass surgery (CABG) but vein quality and clinical outcomes have been questioned. The Vein Integrity and Clinical Outcome (VICO) trial was designed to assess the impact of different vein harvesting methods on vessel damage and if this contributes to clinical outcomes following CABG. Methods -A single centre, randomised clinical trial of patients undergoing CABG with an internal mammary artery, and with one to four vein grafts were recruited...
June 21, 2017: Circulation
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