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https://www.readbyqxmd.com/read/28329150/scoliosis-after-pectus-excavatum-correction-does-it-improve-or-worsen-%C3%A2
#1
Jae Ho Chung, Hyung Joo Park, Kwang Taik Kim
OBJECTIVES: Scoliosis is associated with pectus excavatum. However, the change in the degree of scoliosis after pectus excavatum correction has not been clarified. This study examined how the correction of pectus excavatum influences the status of pre-existing scoliosis. METHODS: A total of 779 pectus excavatum patients operated between 2007 and 2011 using the pectus bar were retrospectively analysed. Preoperative severity and postoperative change of scoliosis in accordance with the severity of pectus excavatum were evaluated...
March 7, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28325755/loss-of-pink1-leads-to-metabolic-deficits-in-adult-neural-stem-cells-and-impedes-differentiation-of-newborn-neurons-in-the-mouse-hippocampus
#2
Sandeep Kumar Agnihotri, Ruifang Shen, Jihong Li, Xu Gao, Hansruedi Büeler
Emerging evidence suggests that mitochondrial dynamics regulates adult hippocampal neurogenesis (AHN). Although abnormal AHN has been linked to depression, anxiety, and cognitive dysfunction, which are features of neurodegenerative conditions, including Parkinson's disease (PD), the impact of mitochondrial deficits on AHN have not been explored previously in a model of neurodegeneration. Here, we used PTEN-induced kinase 1-deficient (PINK1(-/-) ) mice that lacked a mitochondrial kinase mutated in recessive familial PD...
March 21, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28319468/the-impact-of-cage-dimensions-positioning-and-side-of-approach-in-extreme-lateral-interbody-fusion
#3
Marjan Alimi, Gernot Lang, Rodrigo Navarro-Ramirez, Moritz Perrech, Connor Berlin, Christoph P Hofstetter, Yu Moriguchi, Eric Elowitz, Roger Härtl
STUDY DESIGN: This is a retrospective single-center study. OBJECTIVE: The aim of the study was to evaluate the impact of cage characteristics and position toward clinical and radiographic outcome measures in patients undergoing extreme lateral interbody fusion (ELIF). SUMMARY OF BACKGROUND DATA: ELIF is utilized for indirect decompression and minimally invasive surgical treatment for various degenerative spinal disorders. However, evidence regarding the influence of cage characteristics in patient outcome is minimal...
March 17, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28319378/computational-study-of-13c-nmr-csa-patterns-in-c20h10-and-c20h10-4-insights-into-their-variation-upon-planarization-and-formation-of-concentric-aromatic-species-in-the-smaller-isolated-pentagon-structural-motif
#4
Alvaro Muñoz-Castro, Wilson Caimanque-Aguilar, Cesar Morales-Verdejo
Corannulene, C20H10, exhibits a concave surface in the ground state which is able to experience a bowl-to-bowl inversion through a planar conformation. Such structure is the smaller example resembling an isolated-pentagon motif, as a relevant fragment in Fullerene chemistry. Here, we explored the differences between bowl and planar conformations involving both energetic and 13C-NMR properties, for the neutral and tetraanionic species by using DFT methods. This allows to understand the variation of the chemical environment at the carbon atoms upon planarization of this representive motif...
March 20, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28319326/altered-defecatory-behaviour-and-faecal-incontinence-in-a-video-tracked-animal-model-of-pudendal-neuropathy
#5
Liam A Devane, Eric Lucking, Judith Evers, Maria Buffini, S Mark Scott, Charles H Knowles, P Ronan O'Connell, James F X Jones
AIMS: To develop a behavioural animal model of faecal continence and assess the effect of retrouterine balloon inflation (RBI) injury. RBI in the rat causes pudendal neuropathy, a risk factor for obstetric related faecal incontinence in humans. METHOD: Video-tracking healthy rats (n=12) in a cage containing a latrine box was used to monitor their defaecatory behaviour index (DBI) over 2 weeks. DBI (range 0 - 1) was devised by dividing the defaecation rate (pellets/hour) outside the latrine by that of the whole cage...
March 20, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28318895/competitive-protein-tyrosine-phosphatase-1b-ptp1b-inhibitors-prenylated-caged-xanthones-from-garcinia-hanburyi-and-their-inhibitory-mechanism
#6
Xue Fei Tan, Zia Uddin, Chanin Park, Yeong Hun Song, Minky Son, Keun Woo Lee, Ki Hun Park
Protein tyrosine phosphatase 1B (PTP1B) plays important role in diabetes, obesity and cancer. The methanol extract of the gum resin of Garcinia hanburyi (G. hanburyi) showed potent PTP1B inhibition at 10µg/ml. The active compounds were identified as prenylated caged xanthones (1-9) which inhibited PTP1B in dose-dependent manner. Carboxybutenyl group within caged motif (A ring) was found to play a critical role in enzyme inhibition such as 1-6 (IC50s=0.47-4.69µM), whereas compounds having hydroxymethylbutenyl 7 (IC50=70...
March 6, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28317962/-phsio1-5-8-10-12-as-nanoreactors-for-non-enzymatic-introduction-of-ortho-meta-or-para-hydroxyl-groups-to-aromatic-molecules
#7
Mozhgan Bahrami, Xingwen Zhang, Morteza Ehsani, Yousef Jahani, Richard M Laine
Traditional electrophilic bromination follows long established "rules": electron-withdrawing substituents cause bromination selective for meta positions, whereas electron-donating substituents favor ortho and para bromination. In contrast, in the [PhSiO1.5]8,10,12 silsesquioxanes, the cages act as bulky, electron withdrawing groups equivalent to CF3; yet bromination under mild conditions, without a catalyst, greatly favors ortho substitution. Surprisingly, ICl iodination without a catalyst favors (>90%) para substitution [p-IC6H4SiO1...
March 20, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28298887/automated-operant-conditioning-in-the-mouse-home-cage
#8
Nikolas A Francis, Patrick O Kanold
Recent advances in neuroimaging and genetics have made mice an advantageous animal model for studying the neurophysiology of sensation, cognition, and locomotion. A key benefit of mice is that they provide a large population of test subjects for behavioral screening. Reflex-based assays of hearing in mice, such as the widely used acoustic startle response, are less accurate than operant conditioning in measuring auditory processing. To date, however, there are few cost-effective options for scalable operant conditioning systems...
2017: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/28295488/identification-of-contaminant-interferences-which-cause-positive-urine-reagent-test-strip-reactions-in-a-cage-setting-for-the-laboratory-housed-nonhuman-primate-beagle-dog-and-sprague-dawley-rat
#9
William D Siska, Dennis J Meyer, Albert E Schultze, Catherine Brandoff
BACKGROUND: A high incidence of unexplained positive urine reagent test strip reactions was observed in healthy, untreated laboratory-housed nonhuman primates, Beagle dogs, and Sprague-Dawley rats. Exposure of urine to cage pan contaminants was the suspected cause of the positive reactions. OBJECTIVES: The objective of this study was to identify cage pan contaminants which could cause positive reagent test strip reactions. METHODS: Contaminated urine was simulated by exposing water samples to cage pan contaminants, including cleaning solutions, feces from nonhuman primates, Beagle dogs, and Sprague-Dawley rats, certified laboratory animal diets, and dietary enrichments (vegetables, fruits, and food treats)...
March 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28292876/maternal-exercise-upregulates-mitochondrial-gene-expression-and-increases-enzyme-activity-of-fetal-mouse-hearts
#10
Eunhee Chung, Hayli E Joiner, Tracer Skelton, Kalli D Looten, Maria Manczak, P Hemachandra Reddy
Maternal exercise during pregnancy has been shown to improve the long-term health of offspring in later life. Mitochondria are important organelles for maintaining adequate heart function, and mitochondrial dysfunction is linked to cardiovascular disease. However, the effects of maternal exercise during pregnancy on mitochondrial biogenesis in hearts are not well understood. Thus, the purpose of this study was to test the hypothesis that mitochondrial gene expression in fetal myocardium would be upregulated by maternal exercise...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28288179/effect-of-production-quotas-on-economic-and-environmental-values-of-growth-rate-and-feed-efficiency-in-sea-cage-fish-farming
#11
M Besson, I J M de Boer, M Vandeputte, J A M van Arendonk, E Quillet, H Komen, J Aubin
In sea cage fish farming, production quotas aim to constrain the impact of fish farming on the surrounding ecosystem. It is unknown how these quotas affect economic profitability and environmental impact of genetic improvement. We combined bioeconomic modelling with life cycle assessment (LCA) to calculate the economic (EV) and environmental (ENV) values of thermal growth coefficient (TGC) and feed conversion ratio (FCR) of sea bass reared in sea cages, given four types of quota commonly used in Europe: annual production (Qprod), annual feed distributed (Qannual_feed), standing stock (Qstock), and daily feed distributed (Qdaily_feed)...
2017: PloS One
https://www.readbyqxmd.com/read/28286249/immediate-effects-of-respiratory-muscle-stretching-on-chest-wall-kinematics-and-electromyography-in-copd-patients
#12
Rafaela Barros de Sá, Maíra Florentino Pessoa, Ana Gabriela Leal Cavalcanti, Shirley Lima Campos, César Amorim, Armèle Dornelas de Andrade
This study evaluated the immediate effects of respiratory muscle stretching on chest wall kinematics and electromyographic activity in COPD patients. 28 patients with COPD were randomized into two groups: 14 to the treatment group (TG) and 14 to the control group (CG). The TG underwent a stretching protocol of the rib cage muscles, while the CG remained at rest under similar conditions. After a single session, TG increased the tidal volume of the pulmonary rib cage (Vrcp) (p=0.020) and tidal volume of abdominal rib cage (Vrca) (p=0...
March 10, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28278315/biochemical-effects-of-exercise-on-a-fasciocutaneous-flap-in-a-rat-model
#13
Edita Aksamitiene, Adam L Baker, Sudeep Roy, Salini Hota, Li-Hui Zhang, Julianna Rodin, Kealan Hobelmann, Jan B Hoek, Edmund A Pribitkin
Importance: An overwhelming amount of data suggest that cardiovascular exercise has a positive effect on the mind and body, although the precise mechanism is not always clear. Objective: To assess the clinical and biochemical effects of voluntary cardiovascular exercise on pedicled flaps in a rodent model. Design, Setting, and Participants: Eighteen adult Sprague-Dawley male rats were randomized into a resting animal group (RAG) (n=9) and an exercise animal group (EAG) (n=9) for 14 days (July 23, 2013, through July 30, 2013)...
March 9, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28274865/role-of-nanoparticle-size-in-self-assemble-processes-of-collagen-for-tissue-engineering-application
#14
Mohan Vedhanayagam, Marimuthu Nidhin, Natarajan Duraipandy, Niranjan Dhanasekar Naresh, Ganesh Jaganathan, Mohan Ranganathan, Manikantan Syamala Kiran, Shoba Narayan, Balachandran Unni Nair, Kalarical Janardhanan Sreeram
Nanoparticle mediated extracellular matrix may offer new and improved biomaterial to wound healing and tissue engineering applications. However, influence of nanoparticle size in extracellular matrix is still unclear. In this work, we synthesized different size of silver nanoparticles (AgNPs) comprising of 10nm, 35nm and 55nm using nutraceuticals (pectin) as reducing as well as stabilization agents through microwave irradiation method. Synthesized Ag-pectin nanoparticles were assimilated in the self-assemble process of collagen leading to fabricated collagen-Ag-pectin nanoparticle based scaffolds...
March 6, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28274223/prevalence-of-depression-and-its-associated-factors-among-primary-caregivers-of-patients-with-severe-mental-illness-in-southwest-ethiopia
#15
Habtamu Derajew, Daniel Tolessa, Garumma Tolu Feyissa, Fikir Addisu, Matiwos Soboka
BACKGROUND: Depression is a serious mental illness that affects patients' treatment outcome and caregiver's day to day life. The prevalence of depression among caregivers of patients with severe mental illness is greater than the general population. Little is known about depression among primary caregivers of patients with severe mental illness in Ethiopia. This study is aimed at assessing prevalence of depression and associated factors among primary caregivers of patients with mental illness...
March 9, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28273210/biological-x-ray-irradiator-characterization-for-use-with-small-animals-and-cells
#16
A Colello Bruno, S J Mazaro, L L Amaral, E M Rego, H F Oliveira, J F Pavoni
This study presents the characterization of an X-ray irradiator through dosimetric tests, which confirms the actual dose rate that small animals and cells will be exposed to during radiobiological experiments. We evaluated the linearity, consistency, repeatability, and dose distribution in the positions in which the animals or cells are placed during irradiation. In addition, we evaluated the performance of the X-ray tube (voltage and tube operating current), the radiometric survey (leakage radiation) and safety devices...
March 2, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28272186/alcohol-use-at-the-time-of-traumatic-brain-injury-screening-and-brief-intervention-in-a-community-hospital
#17
Madeline M Eyer, Colleen M Renier, Theo A Woehrle, Linda E Vogel, Pat G Conway, Catherine A McCarty
The use of screening and brief interventions (SBI) has been proposed to reduce future alcohol misuse and injury in traumatic brain injury (TBI) patients. As a result a SBI protocol for TBI patients was introduced with nursing training at a community hospital. In the 2 years following the implementation of a SBI protocol and nursing training, the number of patients with positive alcohol results decreased. The number of brief interventions increased to 83 (40.1%, 95% confidence limit [CL] = 33.4, 46.8), and CAGE questionnaire screenings decreased to 88 (42...
March 2017: Journal of Trauma Nursing: the Official Journal of the Society of Trauma Nurses
https://www.readbyqxmd.com/read/28269633/design-and-preliminary-assessment-of-a-smart-textile-for-respiratory-monitoring-based-on-an-array-of-fiber-bragg-gratings
#18
C Massaroni, M Ciocchetti, G Di Tomaso, P Saccomandi, M A Caponero, A Polimadei, D Formica, E Schena
Comfortable and easy to wear smart textiles have gained popularity for continuous respiratory monitoring. Among different emerging technologies, smart textiles based on fiber optic sensors (FOSs) have several advantages, like Magnetic Resonance (MR)-compatibility and good metrological properties. In this paper we report on the development and assessment of an MR-compatible smart textiles based on FOSs for respiratory monitoring. The system consists of six fiber Bragg grating (FBG) sensors glued on the textile to monitor six compartments of the chest wall (i...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28267810/effects-of-food-resources-on-the-fatty-acid-composition-growth-and-survival-of-freshwater-mussels
#19
Michelle R Bartsch, Lynn A Bartsch, William B Richardson, Jon M Vallazza, Brenda Moraska Lafrancois
Increased nutrient and sediment loading in rivers have caused observable changes in algal community composition, and thereby, altered the quality and quantity of food resources available to native freshwater mussels. Our objective was to characterize the relationship between nutrient conditions and mussel food quality and examine the effects on fatty acid composition, growth and survival of juvenile mussels. Juvenile Lampsilis cardium and L. siliquoidea were deployed in cages for 28 d at four riverine and four lacustrine sites in the lower St...
2017: PloS One
https://www.readbyqxmd.com/read/28263993/analysis-of-the-human-monocyte-derived-macrophage-transcriptome-and-response-to-lipopolysaccharide-provides-new-insights-into-genetic-aetiology-of-inflammatory-bowel-disease
#20
J Kenneth Baillie, Erik Arner, Carsten Daub, Michiel De Hoon, Masayoshi Itoh, Hideya Kawaji, Timo Lassmann, Piero Carninci, Alistair R R Forrest, Yoshihide Hayashizaki, Geoffrey J Faulkner, Christine A Wells, Michael Rehli, Paul Pavli, Kim M Summers, David A Hume
The FANTOM5 consortium utilised cap analysis of gene expression (CAGE) to provide an unprecedented insight into transcriptional regulation in human cells and tissues. In the current study, we have used CAGE-based transcriptional profiling on an extended dense time course of the response of human monocyte-derived macrophages grown in macrophage colony-stimulating factor (CSF1) to bacterial lipopolysaccharide (LPS). We propose that this system provides a model for the differentiation and adaptation of monocytes entering the intestinal lamina propria...
March 2017: PLoS Genetics
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