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https://www.readbyqxmd.com/read/28350991/serum-proteases-potentiate-bmp-induced-cell-cycle-re-entry-of-dedifferentiating-muscle-cells-during-newt-limb-regeneration
#1
Ines Wagner, Heng Wang, Philipp M Weissert, Werner L Straube, Anna Shevchenko, Marc Gentzel, Goncalo Brito, Akira Tazaki, Catarina Oliveira, Takuji Sugiura, Andrej Shevchenko, András Simon, David N Drechsel, Elly M Tanaka
Limb amputation in the newt induces myofibers to dedifferentiate and re-enter the cell cycle to generate proliferative myogenic precursors in the regeneration blastema. Here we show that bone morphogenetic proteins (BMPs) and mature BMPs that have been further cleaved by serum proteases induce cell cycle entry by dedifferentiating newt muscle cells. Protease-activated BMP4/7 heterodimers that are present in serum strongly induced myotube cell cycle re-entry with protease cleavage yielding a 30-fold potency increase of BMP4/7 compared with canonical BMP4/7...
March 27, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28350842/combination-of-mesenchymal-stem-cell-injection-with-icariin-for-the-treatment-of-diabetes-associated-erectile-dysfunction
#2
Xiyou Wang, Chuanhai Liu, Yong Xu, Ping Chen, Yue Shen, Yansheng Xu, Yubo Zhao, Weihao Chen, Xinyu Zhang, Yun Ouyang, Yi Wang, Changliang Xie, Maojun Zhou, Cuilong Liu
The present study was aimed to examine whether icariin, a traditional Chinese medicine, could improve therapeutic effects of adipose derived mesenchymal stem cells (ADSCs) for diabetes-associated erectile dysfunction (DMED). DMED were induced in rats by intraperitoneal injection of streptozotocin and confirmed by erectile function measurement. Then, rats of diabetic ED were randomly divided to receive the treatment of saline, ADSCs, icariin or ADSCs combined with icariin respectively. Compared with the treatment by ADSCs or icariin alone, intracavernosum injection of ADSCs combined with the following daily gastric gavage of icariin significantly augmented the value of ICP and ICP/MAP (p<0...
2017: PloS One
https://www.readbyqxmd.com/read/28350775/postsurgical-physical-therapy-management-of-congenital-muscular-torticollis
#3
Magdalena Oledzka, Maureen Suhr
PURPOSE: To present 2 cases with severe congenital muscular torticollis and describe postsurgical physical therapy management. DESCRIPTION: Two children diagnosed with severe congenital muscular torticollis underwent surgical release of the involved sternocleidomastoid muscle with subsequent physical therapy. Presurgical examination findings, surgical technique, and postsurgical rehabilitation guidelines are described. RESULTS: Both cases achieved full range of motion and symmetrical muscle strength...
April 2017: Pediatric Physical Therapy
https://www.readbyqxmd.com/read/28350716/movement-strategies-among-groups-of-chronic-ankle-instability-coper-and-control
#4
S Jun Son, Hyunsoo Kim, Mattew K Seeley, J Ty Hopkins
INTRODUCTION: Comprehensive evaluation of movement strategies during functional movement is a difficult undertaking. Because of this challenge, studied movements have been over simplified. Furthermore, evaluating movement strategies at only a discrete time point(s) provide limited insight into how movement strategies may change or adapt in chronic ankle instability (CAI) patients. This study aimed to identify abnormal movement strategies in individuals with a history of ankle sprain injury during a sports maneuver compared to healthy controls...
March 27, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28350712/effect-of-knee-joint-angle-and-contraction-intensity-on-hamstrings-coactivation
#5
Rui Wu, Eamonn Delahunt, Massimiliano Ditroilo, Madeleine Lowery, Giuseppe De Vito
PURPOSE: This study investigated the effect of knee joint angle and contraction intensity on the co-activation of the hamstring muscles (when acting as antagonists to the quadriceps) in young and older individuals of both sexes. METHODS: 25 young (24 ± 2.6 years) and 26 older (70 ± 2.5 years) healthy men and women participated. Maximal voluntary isometric contraction (MVIC) of the knee extensors (KE) and flexors was assessed at two knee joint angles (90° and 60°, 0° = full extension)...
March 27, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28350692/enhanced-fasanella-servat-procedure-for-the-graded-repair-of-blepharoptosis
#6
Victoria S North, Ashley A Campbell, Alison B Callahan, Geoff Wilcsek, Michael Kazim
PURPOSE: To describe in detail a technique for a modified Fasanella-Servat procedure that provides a simplified method for graded Mueller muscle excision with minimal and controlled tarsal excision. METHODS: A retrospective study of 71 patients (102 eyelids) who underwent the modified Fasanella-Servat procedure is reported. Measurements include the preoperative, post-phenylephrine, and postoperative margin-to-reflex distance-1, and postoperative upper eyelid height symmetry as determined by the absolute difference between right- and left-sided margin-to-reflex distance-1...
March 27, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28350678/ocular-morbidity-in-the-correction-of-orbital-hypertelorism-and-dystopia-a-15-year-experience
#7
Graeme E Glass, Kate A V Hon, Kemmy Schweibert, Richard Bowman, Barry M Jones, David J Dunaway, Jonathan A Britto
BACKGROUND: Complex surgery for appearance change is controversial. Correction of orbital hypertelorism risks diplopia and loss of stereopsis for aesthetic gain. The risk-to-benefit ratio remains ill-defined. The aim of this study was to define specific ocular morbidity following orbital translocation. METHODS: The authors compared stable preoperative and postoperative orthoptic indices (i.e., angle of strabismus, ocular motility, and acuity) for 23 consecutive patients who underwent orbital translocation between 2000 and 2015 and noted the requirement for corrective surgery...
April 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28350670/discussion-regeneration-of-vascularized-corticocancellous-bone-and-diploic-space-using-muscle-derived-stem-cells-a-translational-biologic-alternative-for-healing-critical-bone-defects
#8
Dre M Irizarry, Derrick C Wan
No abstract text is available yet for this article.
April 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28350669/discussion-regeneration-of-vascularized-corticocancellous-bone-and-diploic-space-using-muscle-derived-stem-cells-a-translational-biologic-alternative-for-healing-critical-bone-defects
#9
Matthew P Murphy, Charles K F Chan, Michael T Longaker
No abstract text is available yet for this article.
April 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28350668/regeneration-of-vascularized-corticocancellous-bone-and-diploic-space-using-muscle-derived-stem-cells-a-translational-biologic-alternative-for-healing-critical-bone-defects
#10
Denver Lough, Edward Swanson, Nikolai A Sopko, Christopher Madsen, Devin Miller, Howard Wang, Qiongyu Guo, Srinivas M Sursala, Anand R Kumar
BACKGROUND: Regeneration of functional bone substrate remains a priority in reconstructive surgery especially for patients suffering from complex skeletal defects. Efforts to develop implantable osteoinductive constructs and novel osteoconductive materials remain at the forefront of industry forces and product line development. Despite advancement in clinical practice and bone biology, cancellous autograft remains the gold standard for procedures requiring osteogenic mechanisms of healing...
April 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28350667/acellular-hypothermic-extracorporeal-perfusion-extends-allowable-ischemia-time-in-a-porcine-whole-limb-replantation-model
#11
Maximilian Kueckelhaus, Alexander Dermietzel, Muayyad Alhefzi, Mario A Aycart, Sebastian Fischer, Nicco Krezdorn, Luccie Wo, Omar H Maarouf, Leonardo V Riella, Reza Abdi, Ericka M Bueno, Bohdan Pomahac
BACKGROUND: One of the major challenges in traumatic amputation is the need to keep ischemia time brief (4 to 6 hours) to avoid ischemic damage and enable successful replantation. The current inability to meet this challenge often leads to traumatic limb loss, which has a considerable detrimental impact on the quality of life of patients. METHODS: The authors' team built a portable extracorporeal membrane oxygenator device for the perfusion of amputated extremities with oxygenated acellular solution under controlled parameters...
April 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28350656/an-update-on-the-anatomy-of-the-forehead-compartments
#12
Sebastian Cotofana, Asima Mian, Jonathan M Sykes, Wolfgang Redka-Swoboda, Andrea Ladinger, Tatjana Pavicic, Thilo L Schenck, Fahd Benslimane, Fabio Ingallina, Alexander Schlattau
BACKGROUND: The forehead is one of the most frequent locations for neuromodulator and soft tissue filler applications; however, the underlying anatomy is still poorly understood. Thus far, the presence of deep forehead compartments has not been confirmed. METHODS: Twenty Caucasian cephalic specimens, 15 fresh frozen (six female and nine male) and five with formalin-phenol embalmment (three female and two male) were investigated using contrast-enhanced computed tomographic scans, dye injections, and anatomical dissections...
April 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28350642/increased-early-systemic-inflammation-in-icu-acquired-weakness-a-prospective-observational-cohort-study
#13
Esther Witteveen, Luuk Wieske, Tom van der Poll, Marike van der Schaaf, Ivo N van Schaik, Marcus J Schultz, Camiel Verhamme, Janneke Horn
OBJECTIVES: To investigate whether patients who develop ICU-acquired weakness have a different pattern of systemic inflammatory markers compared with critically ill patients who do not develop ICU-acquired weakness. DESIGN: Prospective observational cohort study. SETTING: Mixed medical-surgical ICU of a tertiary care hospital in the Netherlands. PATIENTS: Newly admitted critically ill patients, greater than or equal to 48 hours on mechanical ventilation with a nonneurologic ICU admission diagnosis, were included...
March 27, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28350577/reliability-of-heart-rate-as-neuroadrenergic-marker-in-the-metabolic-syndrome
#14
Fosca Quarti Trevano, Gino Seravalle, Mario Macchiarulo, Paolo Villa, Carlo Valena, Raffaella Dell'Oro, Giuseppe Mancia, Guido Grassi
BACKGROUND: Metabolic syndrome is characterized by a pronounced sympathetic overactivity as documented by the marked increase in muscle sympathetic nerve traffic (MSNA) as well as in plasma norepinephrine values reported in this condition. Whether and to what extent heart rate (HR) reflects the abovementioned adrenergic alterations in metabolic syndrome remains largely undefined. It is also undefined the validity of the abovementioned adrenergic markers in reflecting the main features of the metabolic syndrome...
March 27, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28350576/absence-of-resting-cardiovascular-dysfunction-in-middle-aged-endurance-trained-athletes-with-exaggerated-exercise-blood-pressure-responses
#15
Katharine D Currie, Ryan T Sless, Catherine F Notarius, Scott G Thomas, Jack M Goodman
OBJECTIVE: Untrained individuals with exaggerated blood pressure (EBP) responses to graded exercise testing are characterized as having resting dysfunction of the sympathetic and cardiovascular systems. The purpose of this study was to determine the resting cardiovascular state of endurance-trained individuals with EBP through a comparison of normotensive athletes with and without EBP. METHODS: EBP was defined as a maximal systolic blood pressure (SBP) at least 190 mmHg and at least 210 mmHg for women and men respectively, in response to a graded exercise test...
March 27, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28350570/low-density-lipoprotein-receptor-related-protein-4-positive-myasthenia-gravis-in-a-double-seronegative-electromyography-negative-patient
#16
Joshua M Kruger, Dimitrios Karussis, Paraskevi Zisimopoulou, Panayiota Petrou
We describe a patient with ocular myasthenia gravis, where single-fiber electromyography and testing for acetylcholine receptor and muscle-specific kinase antibodies were negative. However, antibodies to low-density lipoprotein receptor-related protein 4 (LRP4) were positive, and this prompted appropriate management. We recommend that testing for LRP4 antibodies be considered when the clinical suspicion for myasthenia gravis is high despite negative conventional diagnostic tests.
March 27, 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/28350446/temporal-shifts-in-poly-and-perfluoroalkyl-substances-pfass-in-north-atlantic-pilot-whales-indicate-large-contribution-of-atmospheric-precursors
#17
Clifton Dassuncao, Xindi C Hu, Xianming Zhang, Rossana Bossi, Maria Dam, Bjarni Mikkelsen, Elsie M Sunderland
Poly- and perfluoroalkyl substances (PFASs) are persistent, bioaccumulative anthropogenic compounds associated with adverse health impacts on humans and wildlife. PFAS production changed in North America and Europe around the year 2000, but impacts on wildlife appear to vary across species and location. Unlike other mammal species, cetaceans lack the enzyme for transforming an important intermediate precursor (perfluorooctane sulfonamide: FOSA), into a prevalent compound in most wildlife (perfluorooctanesulfonate: PFOS)...
March 28, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28346882/determination-of-prodrug-treosulfan-and-its-biologically-active-monoepoxide-in-rat-plasma-liver-lungs-kidneys-muscle-and-brain-by-hplc-esi-ms-ms-method
#18
Michał Romański, Anna Kasprzyk, Artur Teżyk, Agnieszka Widerowska, Czesław Żaba, Franciszek Główka
A prodrug treosulfan (TREO) is currently investigated in clinical trials for conditioning prior to hematopoietic stem cell transplantation. Bioanalysis of TREO and its active derivatives, monoepoxide (S,S-EBDM) and diepoxide, in plasma and urine underlay the pharmacokinetic studies of these compounds but cannot explain an organ pharmacological action or toxicity. Recently, distribution of TREO and S,S-EBDM into brain, cerebrospinal fluid, and aqueous humor of the eye has been investigated in animal models and the obtained results presented clinical relevance...
March 18, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28346854/breast-cancer-related-lymphedema-differentiating-fat-from-fluid-using-magnetic-resonance-imaging-segmentation
#19
Yuka Sen, Yi Qian, Louise Koelmeyer, Robert Borotkanics, Robyn Ricketts, Helen Mackie, Thomas C Lam, Kevin Ho Shon, Hiroo Suami, John Boyages
BACKGROUND: Lymphedema is an iatrogenic complication after breast cancer treatment in which lymph fluid in the affected limb progresses to fat deposition and fibrosis that are amenable to liposuction treatment. Magnetic resonance imaging (MRI) for lymphedema can differentiate fat tissue from fluid, but estimating relative volumes remains problematic. METHODS AND RESULTS: Patients underwent routine bilateral arm MRI both before and after liposuction for advanced lymphedema...
March 27, 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28346813/protein-supplementation-does-not-affect-myogenic-adaptations-to-resistance-training
#20
Paul T Reidy, Christopher S Fry, Sherry Igbinigie, Rachel R Deer, Kristofer Jennings, Mark B Cope, Ratna Mukherjea, Elena Volpi, Blake B Rasmussen
It has been proposed that protein supplementation during resistance exercise training enhances muscle hypertrophy. The degree of hypertrophy during training is controlled in part through activation of satellite cells and myonuclear accretion. PURPOSE: To determine the efficacy of protein supplementation (and the type of protein) during traditional resistance training on myofiber cross-sectional-area, satellite cell content and myonuclear addition. METHODS: Healthy young men participated in supervised whole body progressive resistance training 3d/wk for 12 weeks...
February 14, 2017: Medicine and Science in Sports and Exercise
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