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https://www.readbyqxmd.com/read/28533404/repression-of-phosphatidylinositol-transfer-protein-%C3%AE-ameliorates-the-pathology-of-duchenne-muscular-dystrophy
#1
Natassia M Vieira, Janelle M Spinazzola, Matthew S Alexander, Yuri B Moreira, Genri Kawahara, Devin E Gibbs, Lillian C Mead, Sergio Verjovski-Almeida, Mayana Zatz, Louis M Kunkel
Duchenne muscular dystrophy (DMD) is a progressive muscle wasting disease caused by X-linked inherited mutations in the DYSTROPHIN (DMD) gene. Absence of dystrophin protein from the sarcolemma causes severe muscle degeneration, fibrosis, and inflammation, ultimately leading to cardiorespiratory failure and premature death. Although there are several promising strategies under investigation to restore dystrophin protein expression, there is currently no cure for DMD, and identification of genetic modifiers as potential targets represents an alternative therapeutic strategy...
May 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28532969/lip-reconstruction-using-a-functioning-serratus-anterior-free-flap-preliminary-study
#2
A O Gundeslioglu, E C Karadag, I Inan, L Jasharllari, M N Selimoglu, F Guney, B Yuruten, M Bekerecioglu
Reconstructive surgery to the lips requires the replacement of defective tissues with similarly functioning tissues. While non-dynamic free tissue transfers provide adequate lower lip reconstruction, improved benefits may be obtained with innervated free muscle flaps. This study reports the use of innervated serratus anterior muscle free flaps for lip reconstruction in five patients. All patients had squamous cell carcinoma of either the upper or lower lip. After resection of the tumours, the resultant defects comprised two-thirds of the lips...
May 19, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28530489/optimizing-calf-muscle-pump-function
#3
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/28529804/unilateral-discomfort-increases-the-use-of-contralateral-side-during-sit-to-stand-transfer
#4
Simisola O Oludare, Charlie C Ma, Alexander S Aruin
Individuals with unilateral impairment perform symmetrical movements asymmetrically. Restoring symmetry of movements is an important goal of rehabilitation. The aim of the study was to evaluate the effect of using discomfort-inducing devices on movement symmetry. Fifteen healthy individuals performed the sit-to-stand (STS) maneuver using devices inducing unilateral discomfort under the left sole and left thigh or right sole and right thigh and without them. 3D body kinematics, ground reaction forces, electrical activity of muscles, and the level of perceived discomfort were recorded...
2017: Rehabilitation Research and Practice
https://www.readbyqxmd.com/read/28526784/trpv4-mediates-the-calcium-influx-required-for-flightless-non-muscle-myosin-interaction-and-collagen-remodeling
#5
P D Arora, M Di Gregorio, P He, C A McCulloch
Collagen remodeling by phagocytosis requires cell extension formation, which in turn involves interaction of the actin binding protein Flightless I (FliI) with non-muscle myosin IIA (NMMIIA) at cell-matrix adhesion sites. As Ca(2+) plays a central role in controlling actomyosin-dependent functions, we examined how Ca(2+) controls the generation of cell extensions and collagen remodeling. Ratio fluorimetry demonstrated localized Ca(2+) influx at extensions of fibroblasts. Western Blotting and qPCR showed high expression levels of the Ca(2+)-permeable, Transient Receptor Potential Vanilloid-4 (TRPV4) channel, which co-immunoprecipitated with β1 integrin and localized to adhesions...
May 19, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28526423/pseudoparalysis-a-systematic-review-of-term-definitions-treatment-approaches-and-outcomes-of-management-techniques
#6
REVIEW
John M Tokish, Thomas C Alexander, Michael J Kissenberth, Richard J Hawkins
BACKGROUND: Pseudoparalysis remains one of the most challenging conditions in shoulder surgery. Long thought of as an unsolvable problem, recent advances in surgical techniques offer potential return of overhead motion in the setting of massive irreparable rotator cuff tears. This article summarizes the available literature including existing definitions and the results of different treatment approaches regarding range of motion, outcome scores, and reversal. METHODS: In accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, a systematic review of the MEDLINE database, Cochrane database, Physiotherapy Evidence Database, and Google Scholar database was performed for studies that defined a preoperative shoulder group as having pseudoparalysis...
June 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28523429/kir-lilrb-and-their-ligands-genes-as-potential-biomarkers-in-recurrent-implantation-failure
#7
REVIEW
Izabela Nowak, Karolina Wilczyńska, Jacek R Wilczyński, Andrzej Malinowski, Paweł Radwan, Michał Radwan, Piotr Kuśnierczyk
Reproductive failure in humans is a very important social and economic problem, because nowadays women decide to conceive later in life and delay motherhood. Unfortunately, with increasing age they have less chance for natural fertilization and maintenance of pregnancy. Many of them need assisted reproductive technology. Approximately 10% of women after in vitro fertilization-embryo transfers experience recurrent implantation failure (RIF). Multiple factors may contribute to RIF, including oocyte and sperm quality, parental chromosomal anomalies, genetic or metabolic abnormalities of the embryo, poor uterine receptivity, immunological disturbances in the implantation site, and some gynecologic pathologies such as endometriosis, uterine fibroids, hydrosalpinx and endometrial polyps...
May 18, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28521058/enhanced-expression-of-proteins-involved-in-energy-production-and-transfer-in-breast-muscle-of-pedigree-male-broilers-exhibiting-high-feed-efficiency
#8
W G Bottje, K Lassiter, S Dridi, N Hudson, B-W Kong
In cells with fluctuating energy demand (e.g., skeletal muscle), a transfer system of proteins across the inner and outer mitochondrial membranes links mitochondrial oxidative phosphorylation to cytosolic phosphorylated creatine (PCr) that serves as a phosphate reservoir for rapid repletion of cytosolic adenosine triphosphate (ATP). Crucial proteins of this energy transfer system include several creatine kinase (CK) isoforms found in the cytosol and mitochondria. In a recent proteomic study (Kong et al., 2016), several components of this system were up-regulated in high feed efficiency (FE) compared to low FE breast muscle; notably adenine nucleotide translocase (ANT), voltage dependent activated channel (VDAC), the brain isoform of creatine kinase (CK-B), and several proteins of the electron transport chain...
May 17, 2017: Poultry Science
https://www.readbyqxmd.com/read/28507235/assessing-the-strength-of-cardiac-and-sympathetic-baroreflex-controls-via-transfer-entropy-during-orthostatic-challenge
#9
Alberto Porta, Andrea Marchi, Vlasta Bari, Beatrice De Maria, Murray Esler, Elisabeth Lambert, Mathias Baumert
The study assesses the strength of the causal relation along baroreflex (BR) in humans during an incremental postural challenge soliciting the BR. Both cardiac BR (cBR) and sympathetic BR (sBR) were characterized via BR sequence approaches from spontaneous fluctuations of heart period (HP), systolic arterial pressure (SAP), diastolic arterial pressure (DAP) and muscle sympathetic nerve activity (MSNA). A model-based transfer entropy method was applied to quantify the strength of the coupling from SAP to HP and from DAP to MSNA...
June 28, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28501137/supinator-to-ulnar-nerve-transfer-via-in-situ-anterior-interosseous-nerve-bridge-to-restore-intrinsic-muscle-function-in-combined-proximal-median-and-ulnar-nerve-injury-a-novel-cadaveric-study
#10
Hamid Namazi, Shahin HajiVandi
BACKGROUND: In cases of high ulnar nerve palsy, result of nerve repair in term of intrinsic muscle recovery is unsatisfactory. Distal nerve transfer can diminish the regeneration time and improve the results. But, there was no perfect distal nerve transfer for restoring intrinsic hand function in combined proximal median and ulnar nerve injuries. This cadaveric study aims to evaluate the possibility and feasibility of supinator nerve transfer to motor branch of ulnar nerve (MUN). METHODS: Ten cadaveric upper limbs dissected to identify the location of the supinator branch, anterior interosseous nerve (AIN), and MUN...
May 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28498227/mechanisms-and-treatments-for-shoulder-injuries-in-overhead-throwing-athletes
#11
Jason L Zaremski, Joseph G Wasser, Heather K Vincent
Shoulder injuries in overhead throwing athletes are very common. Throwing volume and mechanical forces that are placed on the glenohumeral joint and associated soft tissue structures are contributors. Poor biomechanics and weak links in the kinetic chain place this athletic population at increased risk for shoulder injuries. Common biomechanical deficiencies in overhead throwing athletes typically involve poor sequential timing of muscle activity and insufficient coordination also presented in shoulder elevation and other functional tasks...
May 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28490676/excretion-of-zinc-and-copper-increases-in-men-during-3-weeks-of-bed-rest-with-or-without-artificial-gravity
#12
Hayley N Heacox, Patricia L Gillman, Sara R Zwart, Scott M Smith
Background: Zinc and copper have many physiologic functions and little or no functional storage capability, so persistent losses of either element present health concerns, especially during extended-duration space missions.Objectives: We evaluated the effects of short-term bed rest (BR), a spaceflight analog, on copper and zinc metabolism to better understand the role of these nutrients in human adaptation to (simulated) spaceflight. We also investigated the effect of artificial gravity on copper and zinc homeostasis...
May 10, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28490272/transfer-of-the-musculocutaneous-nerve-branch-to-the-brachialis-muscle-to-the-triceps-for-elbow-extension-anatomical-study-and-report-of-five-cases
#13
J A Bertelli, F Soldado, M F Ghizoni, A Rodríguez-Baeza
We report the study of the anatomical feasibility of transferring the nerve to the brachialis muscle to the upper medial head motor branch that innervate the triceps, and outcomes of such transfers in restoring elbow extension in five patients with posterior cord lesion of the brachial plexus. The length of the branches to the brachialis muscle measured 7.6 cm and the triceps upper medial head motor branch was 5 cm in 10 adult cadavers. Five male patients were treated with this transfer 5 months after the injury (range 4 to 6 months) after posterior cord injury of the brachial plexus with a mean follow-up of 31 months (range 28 to 36 months)...
February 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28489457/adverse-events-associated-with-a-large-dose-of-intravenous-lipid-emulsion-for-suspected-local-anesthetic-toxicity
#14
Daniel J Corwin, Alexis Topjian, Brenda L Banwell, Kevin Osterhoudt
BACKGROUND: Intravenous lipid emulsion (ILE) has gained favor as a rescue treatment for cardiovascular collapse due to intravenous local anesthetic overdose, however, goals of ILE therapy are still being defined. We describe a case of a girl given 66 mL/kg of 20% lipid emulsion (ILE) in the treatment of presumed mepivacaine toxicity. CASE REPORT: An 11-year-old girl weighing 55.6 kg developed pallor, rolling back of the eyes, and rhythmic muscle twitching after receiving a mandibular nerve block injection with a 1...
July 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28488211/calf-augmentation-and-restoration-long-term-results-and-the-review-of-the-reported-complications
#15
Igor Niechajev, Christen Krag
BACKGROUND: Augmentation or reconstruction of the calves is indicated in patients with thin legs, for bodybuilders, or when there is a defect after an injury or illness. The principle of placing implants under the investing crural fascia was worked out in the 1980s. The senior author (I.N.) introduced many technical modifications and improvements for this operation, among them the new instrument, an inserter for the calf implants. Presented patient material is unique in that the more challenging reconstructive cases almost equal the numbers of the aesthetic cases...
May 9, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28483058/experimental-evaluation-of-a-novel-robotic-hospital-bed-mover-with-omni-directional-mobility
#16
Zhao Guo, Rachael Bei Yee, Kyung-Ryoul Mun, Haoyong Yu
Bed pushing during patient transfer is one of the most physically demanding and yet common tasks in the hospital setting. Powered bed movers have been increasingly introduced to hospitals to reduce physiological strains on the users. This study introduces and quantifies the manpower efficiency and health benefits of a novel robotic-assisted omni-directional hospital bed transporter (SESTO Bed Mover) in comparison with a conventional manual transport stretcher (Stryker Trauma Stretcher 1037) and a powered transport stretcher (HOSPIMEK HMPT 740), which has a fifth powered wheel providing power assistance only in the forward direction...
May 5, 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28482314/maternal-transfer-of-dioxin-like-compounds-in-artificially-matured-european-eels
#17
Marko Freese, Roxana Sühring, Lasse Marohn, Jan-Dag Pohlmann, Hendrik Wolschke, Jonathan D Byer, Mehran Alaee, Ralf Ebinghaus, Reinhold Hanel
Several eel species of the genus Anguilla are considered endangered due to a severe decline in recruitment. Up to now, the reasons for this threatening development are not fully understood. The eel's highly specialized biology can lead to explicitly high accumulation of globally distributed organic lipophilic contaminants during its continental life. Because of this and due the particular toxicological sensitivity of early life stages of oviparous organisms towards dioxin-like compounds, it is crucial to improve our understanding concerning toxicokinetics and maternal transfer of organic contaminants in eels...
May 5, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28479486/integrated-diagnosis-project-for-inflammatory-myopathies-an-association-between-autoantibodies-and-muscle-pathology
#18
REVIEW
Shigeaki Suzuki, Akinori Uruha, Norihiro Suzuki, Ichizo Nishino
Inflammatory myopathies are a heterogeneous group of immune-mediated diseases that involve skeletal muscle as well as many other organs. The classification of inflammatory myopathies has been based on clinical diagnoses, pathological diagnoses, and autoantibodies, independently. The clinical phenotypes of inflammatory myopathies are characterized by various autoantibodies that are originally detected by RNA or protein immunoprecipitation. However, since the correlation between histological features and autoantibodies had not been fully elucidated, we created the "Integrated Diagnosis Project for Inflammatory Myopathies" in October 2010...
May 4, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28479224/long-term-outcomes-of-huber-opposition-transfer-for-augmenting-hypoplastic-thumb-function
#19
Lindley B Wall, Aalok Patel, Summer Roberts, Charles A Goldfarb
PURPOSE: This study was conducted to report the functional outcomes of the Huber opposition transfer (abductor digiti minimi muscle) in types II and IIIA hypoplastic thumbs. METHODS: Patients who had undergone a Huber opposition transfer with at least 5 years of follow-up were included in this study. There were 21 thumbs included; 12 returned for a detailed evaluation and 9 were included with a medical record review. Outcome measures included range of motion and pinch strength; Pediatric Outcomes Data Collection Instrument (PODCI) and Patient-Reported Outcomes Measurement Information System (PROMIS) scores were collected on those who could return...
May 4, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28475269/ultrastructural-preservation-of-tissues-and-their-reaction-to-the-infection-with-trichinella-in-the-el-plomo-mummy-muscle-fiber-ultrastructure-and-trichinosis-mummy-of-the-cerro-el-plomo
#20
Rodríguez Héctor, Espinoza-Navarro Omar, Mercedes González, Castro Mario
The El Plomo mummy was a pre-Columbian Incan child who was found mummified in the Andes Mountains above an altitude of 17,700 feet. In the environment, natural mummification occurred due to low temperatures and strong winds. Dating measurements (relative dating) by experts from the National Museum of Natural History of Chile established that the mummified body corresponds the Inca period (1,450 to 1,500 AD). In 2003, the body was transferred to the University of Chile Medical School for exhaustive medical examination...
May 5, 2017: Microscopy Research and Technique
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