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https://www.readbyqxmd.com/read/28631925/anticancer-activity-of-polyoxometalate-bisphosphonate-complexes-synthesis-characterization-in-vitro-and-in-vivo-results
#1
Amandine Boulmier, Xinxin Feng, Olivier Oms, Pierre Mialane, Eric Rivière, Christopher J Shin, Jiaqi Yao, Tadahiko Kubo, Taisuke Furuta, Eric Oldfield, Anne Dolbecq
We synthesized a series of polyoxometalate-bisphosphonate complexes containing Mo(VI)O6 octahedra, zoledronate, or an N-alkyl (n-C6 or n-C8) zoledronate analogue, and in two cases, Mn as a heterometal. Mo6L2 (L = Zol, ZolC6, ZolC8) and Mo4L2Mn (L = Zol, ZolC8) were characterized by using single-crystal X-ray crystallography and/or IR spectroscopy, elemental and energy dispersive X-ray analysis and (31)P NMR. We found promising activity against human nonsmall cell lung cancer (NCI-H460) cells with IC50 values for growth inhibition of ∼5 μM per bisphosphonate ligand...
June 20, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28627359/evaluation-of-early-postoperative-complications-following-tracheotomy
#2
Danielle L Freburg-Hoffmeister, John H Hardeman, M Franklin Dolwick, Charles G Widmer
PURPOSE: The purpose of this study was to evaluate the early postoperative complications related to tracheotomy performed by surgeons and residents in the Department of Oral and Maxillofacial Surgery (OMS) at the University of Florida College of Dentistry (UFCD; Gainesville, FL). The authors hypothesized that complications with this surgical technique would be substantially different among the different medical diagnoses of these patients and the number of complications would positively correlate with the American Society of Anesthesiologists (ASA) physical status classification...
May 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28627201/grado-de-malnutrici%C3%A3-n-y-su-relaci%C3%A3-n-con-los-principales-factores-estructurales-y-alimentarios-de-la-poblaci%C3%A3-n-preescolar-hondure%C3%A3-a-prevalencia-de-la-lactancia-materna-en-los-mismos
#3
Lorena Fernández Palacios, Elsa Barrientos Augustinus, Carolina Raudales Urquía, Carmen Frontela Saseta, Gaspar Ros Berruezo
Introducción: la desnutrición infantil sigue siendo un grave problema de salud pública en Honduras, con una prevalencia nacional según valores de referencia de la Organización Mundial de la Salud (OMS) del 29% en niños menores de cinco años. Además, el promedio de desnutrición crónica en la región asciende hasta el 80% en comunidades pobres e indígenas, convirtiendo a Honduras en el segundo país en la región centroamericana con mayor incidencia de desnutrición crónica. Otro de los problemas que presenta la región resulta del abandono precoz de la lactancia materna exclusiva: solo el 29,7% de los menores fue alimentado exclusivamente con leche materna hasta los seis meses...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28622442/muscular-basis-of-whisker-torsion-in-mice-and-rats
#4
Sebastian Haidarliu, Knarik Bagdasarian, Namrata Shinde, Ehud Ahissar
Whisking mammals move their whiskers in the rostrocaudal and dorsoventral directions with simultaneous rolling about their long axes (torsion). Whereas muscular control of the first two types of whisker movement was already established, the anatomic muscular substrate of the whisker torsion remains unclear. Specifically, it was not clear whether torsion is induced by asymmetrical operation of known muscles or by other largely unknown muscles. Here we report that mystacial pads of newborn and adult rats and mice contain oblique intrinsic muscles (OMs) that connect diagonally adjacent vibrissa follicles...
June 16, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28611371/ohmyungsamycins-promote-antimicrobial-responses-through-autophagy-activation-via-amp-activated-protein-kinase-pathway
#5
Tae Sung Kim, Yern-Hyerk Shin, Hye-Mi Lee, Jin Kyung Kim, Jin Ho Choe, Ji-Chan Jang, Soohyun Um, Hyo Sun Jin, Masaaki Komatsu, Guang-Ho Cha, Han-Jung Chae, Dong-Chan Oh, Eun-Kyeong Jo
The induction of host cell autophagy by various autophagy inducers contributes to the antimicrobial host defense against Mycobacterium tuberculosis (Mtb), a major pathogenic strain that causes human tuberculosis. In this study, we present a role for the newly identified cyclic peptides ohmyungsamycins (OMS) A and B in the antimicrobial responses against Mtb infections by activating autophagy in murine bone marrow-derived macrophages (BMDMs). OMS robustly activated autophagy, which was essentially required for the colocalization of LC3 autophagosomes with bacterial phagosomes and antimicrobial responses against Mtb in BMDMs...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28602382/value-in-oral-and-maxillofacial-surgery-a-systematic-review-of-economic-analyses
#6
Benjamin Geisler, Yisi D Ji, Zachary S Peacock
PURPOSE: The purpose of this study is to describe the state of economic analyses in the field of oral and maxillofacial surgery (OMS). MATERIALS AND METHODS: A systematic search of published literature up to 2016 was performed. The inclusion criteria were as follows: English-language articles on economic analyses pertaining to OMS including anesthesia and pain management; dentoalveolar surgery; orthognathic, cleft, and/or obstructive sleep apnea treatment; pathology; reconstruction; temporomandibular disorders; trauma; and other...
May 18, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28597654/oms-2-supported-cu-hydroxide-catalyzed-benzoxazoles-synthesis-from-catechols-and-amines-via-domino-oxidation-process-at-room-temperature
#7
Xu Meng, Yanmin Wang, Yuanguang Wang, Baohua Chen, Zhenqiang Jing, Gexin Chen, Peiqing Zhao
In the presence of manganese oxide octahedral molecular sieve (OMS-2) supported copper hydroxide Cu(OH)x/OMS-2, aerobic synthesis of benzoxazoles from catechols and amines via domino oxidation/cyclization at room temperature is achieved. This heterogeneous benzoxazoles synthesis initiated by the efficient oxidation of catechols over Cu(OH)x/OMS-2 tolerates a variety of substrates, especially amines containing sensitive groups (hydroxyl, cyano, amino, vinyl, ethynyl, ester, and even acetyl groups) and heterocycles, which affords functionalized benzoxazoles in good to excellent yields by employing low catalyst loading (2 mol % Cu)...
June 14, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28577249/progeny-production-in-the-periplasm-of-thermosipho-globiformans
#8
Tomohiko Kuwabara, Kensuke Igarashi
Thermotogales are rod-shaped, Gram-negative, anaerobic, (hyper) thermophiles distinguished by an outer sheath-like toga, which comprises an outer membrane (OM) and an amorphous layer (AL). Thermosipho globiformans bacteria can transform into spheroids with multiple cells concurrently with AL disintegration during early growth; the cell is defined as the cytoplasmic membrane (CM) plus the entity surrounded by the CM. Spheroids eventually produce rapidly moving periplasmic 'progenies' through an unknown mechanism...
July 2017: Extremophiles: Life Under Extreme Conditions
https://www.readbyqxmd.com/read/28577114/building-beautiful-minds-teaching-through-movies-to-tackle-stigma-in-psychology-students-in-the-uae
#9
Eleni Petkari
OBJECTIVE: The use of movie-based educational interventions has been used widely and is considered an effective method aiming at changing the stigmatizing attitudes of future mental health professionals. The purpose of this study was to examine the effectiveness of a 10-week intervention that combined movies and related discussions in a sample of 26 psychology students in the United Arab Emirates, where the opportunities for real contact with patients with mental illness are limited. METHODS: By means of mixed methods approach, students were assessed at two time points by the Opening Minds Stigma Scale for Health Care Providers [OMS-HC] (T1-T2) and by qualitative questions only at the end of the intervention (T2)...
June 2, 2017: Academic Psychiatry
https://www.readbyqxmd.com/read/28549713/childhood-opsoclonus-myoclonus-syndrome-a-case-series-from-tunisia
#10
Nedia Ben Achour, Saloua Mrabet, Ibtihel Rebai, Ines Abid, Hanene Benrhouma, Hedia Klaa, Aida Rouissi, Ichraf Kraoua, Ilhem Ben Youssef Turki
INTRODUCTION: Opsoclonus myoclonus syndrome (OMS) is a rare immune-mediated disorder characterized by opsoclonus, myoclonus, ataxia and behavioral changes. The aim of our study was to investigate the epidemiology, clinical features, etiological aspects and outcome of OMS in Tunisian children. METHODS: We conducted a retrospective study over 11years (2005-2016) including all patients aged under 18years who were managed for newly diagnosed OMS in a tertiary care research centre for children with neurological symptoms...
May 23, 2017: Brain & Development
https://www.readbyqxmd.com/read/28514655/inhibitory-control-of-feature-selectivity-in-an-object-motion-sensitive-circuit-of-the-retina
#11
Tahnbee Kim, Daniel Kerschensteiner
Object motion sensitive (OMS) W3-retinal ganglion cells (W3-RGCs) in mice respond to local movements in a visual scene but remain silent during self-generated global image motion. The excitatory inputs that drive responses of W3-RGCs to local motion were recently characterized, but which inhibitory neurons suppress W3-RGCs' responses to global motion, how these neurons encode motion information, and how their connections are organized along the excitatory circuit axis remains unknown. Here, we find that a genetically identified amacrine cell (AC) type, TH2-AC, exhibits fast responses to global motion and slow responses to local motion...
May 16, 2017: Cell Reports
https://www.readbyqxmd.com/read/28470449/is-phenotypic-plasticity-a-key-mechanism-for-responding-to-thermal-stress-in-ants
#12
Cristela Sánchez Oms, Xim Cerdá, Raphaël Boulay
Unlike natural selection, phenotypic plasticity allows organisms to respond quickly to changing environmental conditions. However, plasticity may not always be adaptive. In insects, body size and other morphological measurements have been shown to decrease as temperature increases. This relationship may lead to a physiological conflict in ants, where larger body size and longer legs often confer better thermal resistance. Here, we tested the effect of developmental temperature (20, 24, 28 or 32 °C) on adult thermal resistance in the thermophilic ant species Aphaenogaster senilis...
June 2017: Die Naturwissenschaften
https://www.readbyqxmd.com/read/28449060/the-influence-of-miniscrew-insertion-torque
#13
Melissa V Nguyen, John Codrington, Lloyd Fletcher, Craig W Dreyer, Wayne J Sampson
Objective: The aim of this in vitro study was to evaluate the progressive development of surface microdamage produced following the insertion of orthodontic miniscrews (OMs) into 1.5 mm thick porcine tibia bone using maximum insertion torque values of 12 Ncm, 18 Ncm, and 24 Ncm. Methods: Aarhus OMs (diameter 1.5 mm; length 6 mm) were inserted into 1.5 mm porcine bone using a torque limiting hand screwdriver set at 12 Ncm, 18 Ncm, and 24 Ncm. A custom rig equipped with a compression load cell was used to record the compression force exerted during manual insertion...
April 24, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28445696/which-factors-affect-citation-rates-in-the-oral-and-maxillofacial-surgery-literature
#14
Kristie Cheng, Thomas B Dodson, Mark A Egbert, Srinivas M Susarla
PURPOSE: Citation rate is one of several tools to measure academic productivity. The purposes of this study were to estimate and identify factors associated with citation rates in the oral and maxillofacial surgery (OMS) literature. MATERIALS AND METHODS: This was a retrospective longitudinal study of publications in the Journal of Oral and Maxillofacial Surgery (JOMS), International Journal of Oral and Maxillofacial Surgery (IJOMS), and Oral Surgery, Oral Medicine, Oral Pathology, and Oral Radiology from January through December 2012...
April 1, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28443610/ordered-micro-macro-porous-k-oms-2-sio2-nanocatalysts-facile-synthesis-low-cost-and-high-catalytic-activity-for-diesel-soot-combustion
#15
Xuehua Yu, Zhen Zhao, Yuechang Wei, Jian Liu
A series of novel oxide catalysts, which contain three-dimensionally ordered macroporous (3DOM) and microporous structure, were firstly designed and successfully synthesized by simple method. In the as-prepared catalysts, 3DOM SiO2 is used as support and microporous K-OMS-2 oxide nanoparticles are supported on the wall of SiO2. 3DOM K-OMS-2/SiO2 oxide catalysts were firstly used in soot particle oxidation reaction and they show very high catalytic activities. The high activities of K-OMS-2/SiO2 oxide catalysts can be assigned to three possible reasons: macroporous effect of 3DOM structure for improving contact between soot and catalyst, microporous effect of K-OMS-2 for adsorption of small gas molecules and interaction of K and Mn for activation of gas molecules...
April 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28432174/postintervention-acute-opsoclonus-myoclonus-syndrome
#16
Annelise Aquilina, Nicola Dingli, Josanne Aquilina
Opsoclonus myoclonus syndrome (OMS) is a rare, neurological condition affecting 1 in 10 000 000 people annually. Opsoclonus, defined as involuntary rapid, multivectorial oscillations of the eyes, together with ataxia and myoclonus are usually present. OMS may be paraneoplastic: often associated with occult neuroblastoma in childhood and with breast carcinoma or small cell lung carcinoma in adults. Other aetiologies include viral or toxic agents. The pathogenesis is thought to be immune mediated. A 37-year-old woman with previous inflammatory cranial mononeuropathies was admitted for elective dilatation and curettage (D&C)...
April 21, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28423005/an-archosauromorph-dominated-ichnoassemblage-in-fluvial-settings-from-the-late-early-triassic-of-the-catalan-pyrenees-ne-iberian-peninsula
#17
Eudald Mujal, Josep Fortuny, Arnau Bolet, Oriol Oms, José Ángel López
The vertebrate recovery after the end-Permian mass extinction can be approached through the ichnological record, which is much more abundant than body fossils. The late Olenekian (Early Triassic) tetrapod ichnoassemblage of the Catalan Pyrenean Basin is the most complete and diverse of this age from Western Tethys. This extensional basin, composed of several depocenters, was formed in the latest phases of the Variscan orogeny (Pangea breakup) and was infilled by braided and meandering fluvial systems of the red-beds Buntsandstein facies...
2017: PloS One
https://www.readbyqxmd.com/read/28391919/ethanol-mediated-as-iii-adsorption-onto-zn-loaded-pinecone-biochar-experimental-investigation-modeling-and-optimization-using-hybrid-artificial-neural-network-genetic-algorithm-approach
#18
Mohd Zafar, N Van Vinh, Shishir Kumar Behera, Hung-Suck Park
Organic matters (OMs) and their oxidization products often influence the fate and transport of heavy metals in the subsurface aqueous systems through interaction with the mineral surfaces. This study investigates the ethanol (EtOH)-mediated As(III) adsorption onto Zn-loaded pinecone (PC) biochar through batch experiments conducted under Box-Behnken design. The effect of EtOH on As(III) adsorption mechanism was quantitatively elucidated by fitting the experimental data using artificial neural network and quadratic modeling approaches...
April 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28383581/an-ultrasonic-atomization-assisted-synthesis-of-self-assembled-manganese-oxide-octahedral-molecular-sieve-nanostructures-and-their-application-in-catalysis-and-water-treatment
#19
Aparna Iyer, Chung-Hao Kuo, Saminda Dharmarathna, Zhu Luo, Dinithi Rathnayake, Junkai He, Steven L Suib
Manganese oxides of octahedral molecular sieve (OMS-2) type have important applications in oxidation catalysis, adsorption, and as battery materials. The synthesis methods employed determine their morphology and textural properties which markedly affect their catalytic activity. In this work, a room temperature ultrasonic atomization assisted synthesis of OMS-2 type materials is demonstrated. This synthesis differs from previously reported methods in that it is a simple, no-heat application that leads to a striking morphological characteristic of uniformly sized OMS-2 fibers and their self-assembly into dense as well as hollow spheres...
April 6, 2017: Nanoscale
https://www.readbyqxmd.com/read/28373551/identification-of-specific-posttranslational-o-mycoloylations-mediating-protein-targeting-to-the-mycomembrane
#20
Clément Carel, Julien Marcoux, Valérie Réat, Julien Parra, Guillaume Latgé, Françoise Laval, Pascal Demange, Odile Burlet-Schiltz, Alain Milon, Mamadou Daffé, Maryelle G Tropis, Marie A M Renault
The outer membranes (OMs) of members of the Corynebacteriales bacterial order, also called mycomembranes, harbor mycolic acids and unusual outer membrane proteins (OMPs), including those with α-helical structure. The signals that allow precursors of such proteins to be targeted to the mycomembrane remain uncharacterized. We report here the molecular features responsible for OMP targeting to the mycomembrane of Corynebacterium glutamicum, a nonpathogenic member of the Corynebacteriales order. To better understand the mechanisms by which OMP precursors were sorted in C...
April 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
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