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https://www.readbyqxmd.com/read/28728103/freiberg-s-infraction-a-modified-closing-wedge-osteotomy-for-an-undiagnosed-case
#1
Carlo Biz, Alessandro Zornetta, Ilaria Fantoni, Alberto Crimì, Enrico Bordignon, P Ruggieri
INTRODUCTION: Freiberg's infraction is an osteonecrosis affecting the metatarsal head whose pathogenesis is not fully understood, although stress overloading by multiple microtraumas remains the most widely accepted cause. Operative treatment, by different techniques, is necessary when conservative treatment fails. PRESENTATION OF CASE: A 31-year old woman presented with left foot severe pain, especially at the level of the metatarsophalangeal joint (MTPJ) of the second ray, underestimated upon initial evaluation...
July 10, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28727763/loss-of-receptor-activity-modifying-protein-2-in-mice-causes-placental-dysfunction-and-alters-pth1r-regulation
#2
Mahita Kadmiel, Brooke C Matson, Scott T Espenschied, Patricia M Lenhart, Kathleen M Caron
Receptor activity-modifying protein 2 (Ramp2) is a single-pass transmembrane protein that heterodimerizes with several family B G-protein coupled receptors to alter their function. Ramp2 has been primarily characterized in association with calcitonin receptor-like receptor (Calcrl, CLR), forming the canonical receptor complex for the endocrine peptide adrenomedullin (Adm, AM). However, we previously demonstrated that Ramp2+/- female mice display a constellation of endocrine-related phenotypes that are distinct from those of Adm+/- and Calcrl+/- mice, implying that RAMP2 has physiological functions beyond its canonical complex...
2017: PloS One
https://www.readbyqxmd.com/read/28726691/an-exploratory-study-of-the-effects-of-stormwater-pipeline-materials-on-transported-stormwater-quality
#3
Matthias Borris, Heléne Österlund, Jiri Marsalek, Maria Viklander
Implications of three sewer pipe materials (concrete, galvanized corrugated steel, and polyvinyl chloride (PVC)) for stormwater quality were explored in laboratory experiments, in which three types of stormwater, SW1-SW3, were circulated in 0.5 m long sewer pipe sections. SW1 and SW2 represented synthetic rainwater, without and with fine street sediment added (CTSS = 150 mg/L), respectively, and SW3 was actual stormwater with the same sediment addition as SW2. Following 20-min runs, with an equivalent distance of 500 m travelled by water particles, a number of statistically significant changes in the stormwater chemistry were observed: (i) pH of all the simulated stormwaters increased in the concrete pipe (from 7...
July 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28726488/use-of-an-electrostatic-spraying-system-or-the-sprayed-lethality-in-container-method-to-deliver-antimicrobial-agents-onto-the-surface-of-beef-subprimals-to-control-shiga-toxin-producing-escherichia-coli
#4
J Max Stella, John B Luchansky, Kelsey Miller, Bradley A Shoyer, Laura E Shane, Lianna McGeary, Manuela Osoria, Laura J Stahler, Nicholas J Sevart, Randall K Phebus, Harshavardhan Thippareddi, Anna C S Porto-Fett
The efficacy of an electrostatic spraying system (ESS) and/or the sprayed lethality in container (SLIC) method to deliver antimicrobial agents onto the surface of beef subprimals to reduce levels of Shiga toxin-producing Escherichia coli (STEC) was evaluated. Beef subprimals were surface inoculated (lean side; ca. 5.8 log CFU per subprimal) with 2 mL of an eight-strain cocktail comprising single strains of rifampin-resistant (100 μg/mL) STEC (O26:H11, O45:H2, O103:H2, O104:H4, O111:H(-), O121:H19, O145:NM, and O157:H7)...
July 20, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28726053/the-effect-of-different-ankle-and-knee-supports-on-balance-in-early-ambulation-of-post-stroke-hemiplegic-patients
#5
Burcu Talu, Zilan Bazancir
The purpose of this study was to compare the effects of different ankle and knee supports on balance in early ambulation of post-stroke hemiplegic patients. This is a randomized experimental study. The study sample included 20 hemiplegic patients who were able to stand with support and who had been diagnosed with a cerebrovascular accident within the last month. A knee immobilization brace (KIB) was first placed on each individual (first application), followed by placement of knee immobilizer brace and Foot Lifter Orthosis ® (FLO) (second application), and lastly, placement of KIB and rigid taping (RT) (third application)...
July 19, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28725596/utility-of-trigger-point-injection-as-an-adjunct-to-physical-therapy-in-men-with-chronic-prostatitis-chronic-pelvic-pain-syndrome
#6
Nicholas N Tadros, Anup B Shah, Daniel A Shoskes
BACKGROUND: Chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) is often associated with pelvic floor muscle spasm. While pelvic floor physical therapy (PFPT) is effective, some men are unable to resolve their symptoms and have residual trigger points (TPs). TP injection has been used for treatment in several neuromuscular pain syndromes. The objective of this study was to examine the efficacy and side effects of TP injection in men with CP/CPPS and pelvic floor spasm refractory to PT...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725484/logarithmic-sensing-in-bacillus-subtilis-aerotaxis
#7
Filippo Menolascina, Roberto Rusconi, Vicente I Fernandez, Steven Smriga, Zahra Aminzare, Eduardo D Sontag, Roman Stocker
Aerotaxis, the directed migration along oxygen gradients, allows many microorganisms to locate favorable oxygen concentrations. Despite oxygen's fundamental role for life, even key aspects of aerotaxis remain poorly understood. In Bacillus subtilis, for example, there is conflicting evidence of whether migration occurs to the maximal oxygen concentration available or to an optimal intermediate one, and how aerotaxis can be maintained over a broad range of conditions. Using precisely controlled oxygen gradients in a microfluidic device, spanning the full spectrum of conditions from quasi-anoxic to oxic (60 n mol/l-1 m mol/l), we resolved B...
2017: NPJ Systems Biology and Applications
https://www.readbyqxmd.com/read/28725150/development-and-evaluation-of-ketoprofen-sustained-release-matrix-tablet-using-hibiscus-rosa-sinensis-leaves-mucilage
#8
M Kaleemullah, K Jiyauddin, E Thiban, S Rasha, S Al-Dhalli, S Budiasih, O E Gamal, A Fadli, Y Eddy
Currently, the use of natural gums and mucilage is of increasing importance in pharmaceutical formulations as valuable drug excipient. Natural plant-based materials are economic, free of side effects, biocompatible and biodegradable. Therefore, Ketoprofen matrix tablets were formulated by employing Hibiscus rosa-sinensis leaves mucilage as natural polymer and HPMC (K100M) as a synthetic polymer to sustain the drug release from matrix system. Direct compression method was used to develop sustained released matrix tablets...
July 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28723191/highly-enriched-controllable-continuous-aerosol-sampling-using-inertial-microfluidics-and-its-application-to-real-time-detection-of-airborne-bacteria
#9
Jeongan Choi, Seung Chan Hong, Woojin Kim, Jae Hee Jung
We report a novel microfluidic technique for sampling of aerosols into liquids. The two-phase fluid, sampling air and collecting liquid, forms a stratified flow in the curved microchannel. By passing fluids through the curved region, the particles are transferred from air into the liquid phase by the particle centrifugal and drag forces. This microfluidic-based aerosol-into-liquid sampling system, called the MicroSampler, is driven by particle inertial differences. To evaluate the physical particle collection efficiency of the MicroSampler, we used standard polystyrene-latex (PSL) particles ranging in size from 0...
April 28, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28723188/salt-gradient-improving-signal-to-noise-ratio-in-solid-state-nanopore
#10
Jingjie Sha, Hongjiao Shi, Yin Zhang, Chen Chen, Lei Liu, Yunfei Chen
As the single molecule detection tool, solid-state nanopores are being applied in more and more fields, such as medicine controlled delivery, ion conductance microscopes, nanosensors, and DNA sequencing. The critical information obtained from nanopores is the signal collected, which is the ionic block current caused by the molecules passing through the pores. However, the information collected is, in part, impeded by the relatively low signal-to-noise ratio of the current solid-state nanopore measurements. Here, we report that using a salt gradient across the nanopore could improve the signal-to-noise ratio when molecules translocate through Si3N4 nanopore...
April 28, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28722740/spectroscopic-imaging-studies-of-nanoscale-polarity-and-mass-transport-phenomena-in-self-assembled-organic-nanotubes
#11
Hao Xu, Shinobu Nagasaka, Naohiro Kameta, Mitsutoshi Masuda, Takashi Ito, Daniel A Higgins
Synthetic organic nanotubes self-assembled from bolaamphiphile surfactants are now being explored for use as drug delivery vehicles. In this work, several factors important to their implementation in drug delivery are explored. All experiments are performed with the nanotubes immersed in ethanol. First, Nile Red (NR) and a hydroxylated Nile Red derivative (NR-OH) are loaded into the nanotubes and spectroscopic fluorescence imaging methods are used to determine the apparent dielectric constant of their local environment...
July 19, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28722704/targeted-proteomic-assays-for-quantitation-of-proteins-identified-by-proteogenomic-analysis-of-ovarian-cancer
#12
Ehwang Song, Yuqian Gao, Chaochao Wu, Tujin Shi, Song Nie, Thomas L Fillmore, Athena A Schepmoes, Marina A Gritsenko, Wei-Jun Qian, Richard D Smith, Karin D Rodland, Tao Liu
Mass spectrometry (MS) based targeted proteomic methods such as selected reaction monitoring (SRM) are emerging as a promising tool for verification of candidate proteins in biological and biomedical applications. The Clinical Proteomic Tumor Analysis Consortium (CPTAC) of the National Cancer Institute has investigated the standardization and analytical validation of the SRM assays and demonstrated robust analytical performance on different instruments across different laboratories. An Assay Portal has also been established by CPTAC to provide the research community a resource consisting of large sets of targeted MS-based assays, and a depository to share assays publicly...
July 19, 2017: Scientific Data
https://www.readbyqxmd.com/read/28722668/coupling-to-a-cancer-selective-heparan-sulfate-targeted-branched-peptide-can-by-pass-breast-cancer-cell-resistance-to-methotrexate
#13
Lorenzo Depau, Jlenia Brunetti, Chiara Falciani, Silvia Scali, Giulia Riolo, Elisabetta Mandarini, Alessandro Pini, Luisa Bracci
Cancer-selective tetra-branched peptides, named NT4, can be coupled to different functional units for cancer cell imaging or therapy. NT4 peptides specifically bind to lipoprotein receptor-related proteins (LRP) receptors and to heparan sulfate chains on membrane proteoglycans and can be efficiently internalized by cancer cells expressing these membrane targets. Since binding and internalization of NT4 peptides is mediated by specific NT4 receptors on cancer cell membranes and this may allow drug resistance produced by drug membrane transporters to be by-passed, we tested the ability of drug-armed NT4 to by-pass drug resistance in cancer cell lines...
July 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722537/attention-bias-to-threat-in-mothers-with-emotional-disorders-predicts-increased-offspring-anxiety-symptoms-a-joint-cross-sectional-and-longitudinal-analysis
#14
Allison M Waters, Elise M Candy, Steven G Candy
There is convincing evidence of the transmission of anxiety and depression from parents to children; however, mechanisms by which this vulnerability is passed on are unclear. Cognitive models and a small body of cross-sectional research suggest that parental attention biases (ABs) may be one mechanism involved in transmission. Longitudinal associations of maternal and offspring ABs with offspring symptoms have been scarcely studied. Forty-three mothers-child dyads were included. All children (7-12 years old) were diagnosis-free while 24 mothers had a lifetime emotional disorder (anxiety or depression) (high risk, HR) and 19 mothers had no psychiatric diagnoses (low risk, LR)...
July 19, 2017: Cognition & Emotion
https://www.readbyqxmd.com/read/28722242/therapeutic-application-of-gpr119-ligands-in-metabolic-disorders
#15
REVIEW
Jin Won Yang, Hyo Seon Kim, Yong-Won Choi, Young-Mi Kim, Keon Wook Kang
GPR119 belongs to the G protein-coupled receptor family, and exhibits dual modes of action upon ligand-dependent activation: pancreatic secretion of insulin in a glucose-dependent manner, and intestinal secretion of incretins. Hence, GPR119 has emerged as a promising target for treating type 2 diabetes mellitus without causing hypoglycemia. However, despite continuous efforts by many major pharmaceutical companies, no synthetic GPR119 ligand has been approved as a new class of anti-diabetic agents thus far, nor has one passed beyond phase II clinical studies...
July 18, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28721904/treatment-planning-system-calculation-errors-are-present-in-most-imaging-and-radiation-oncology-core-houston-phantom-failures
#16
James R Kerns, Francesco Stingo, David S Followill, Rebecca M Howell, Adam Melancon, Stephen F Kry
PURPOSE: The anthropomorphic phantom program at the Houston branch of the Imaging and Radiation Oncology Core (IROC-Houston) is an end-to-end test that can be used to determine whether an institution can accurately model, calculate, and deliver an intensity modulated radiation therapy dose distribution. Currently, institutions that do not meet IROC-Houston's criteria have no specific information with which to identify and correct problems. In the present study, an independent recalculation system was developed to identify treatment planning system (TPS) calculation errors...
August 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28721673/gas-flow-in-the-capillary-of-the-atmosphere-to-vacuum-interface-of-mass-spectrometers
#17
Michael Skoblin, Alexey Chudinov, Ilia Soulimenkov, Vladimir Brusov, Viacheslav Kozlovskiy
Numerical simulations of a gas flow through a capillary being a part of mass spectrometer atmospheric interface were performed using a detailed laminar flow model. The simulated interface consisted of atmospheric and forevacuum volumes connected via a thin capillary. The pressure in the forevacuum volume where the gas was expanding after passing through the capillary was varied in the wide range from 10 to 900 mbar in order to study the volume flow rate as well as the other flow parameters as functions of the pressure drop between the atmospheric and forevacuum volumes...
July 18, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28720705/conceptual-framework-of-the-eco-physiological-phases-of-insect-diapause-development-justified-by-transcriptomic-profiling
#18
Vladimír Koštál, Tomáš Štětina, Rodolphe Poupardin, Jaroslava Korbelová, Alexander William Bruce
Insects often overcome unfavorable seasons in a hormonally regulated state of diapause during which their activity ceases, development is arrested, metabolic rate is suppressed, and tolerance of environmental stress is bolstered. Diapausing insects pass through a stereotypic succession of eco-physiological phases termed "diapause development." The phasing is varied in the literature, and the whole concept is sometimes criticized as being too artificial. Here we present the results of transcriptional profiling using custom microarrays representing 1,042 genes in the drosophilid fly, Chymomyza costata Fully grown, third-instar larvae programmed for diapause by a photoperiodic (short-day) signal were assayed as they traversed the diapause developmental program...
July 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28719899/the-relationship-between-mmp-2-1306c-t-and-mmp-9-1562c-t-polymorphisms-and-the-risk-and-prognosis-of-t-cell-acute-lymphoblastic-leukemia-in-a-chinese-population-a-case-control-study
#19
Cong-Meng Lin, Yan-Ling Zeng, Min Xiao, Xu-Qiao Mei, Lv-Ying Shen, Meng-Xian Guo, Zhe-Yao Lin, Qi-Fa Liu, Tin Yang
BACKGROUND: T-cell acute lymphoblastic leukemia (T-ALL) is a malignant hematological disease and is often accompanied by a variety of genetic abnormalities. Hence, our study aims to investigate the relationship between MMP-2 -1306C>T and MMP-9 -1562C>T polymorphisms and the risk and prognosis of T-ALL. METHODS: From April 2009 to February 2011, a total of 376 T-ALL patients were chosen as the case group. Meanwhile, 352 healthy people who passed routine health examinations were selected as the control group...
July 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28719648/oligo-ethylene-glycol-sidechain-microgels-prepared-in-absence-of-cross-linking-agent-polymerization-characterization-and-variation-of-particle-deformability
#20
Nicole Welsch, L Andrew Lyon
We present a systematic study of self-cross-linked microgels formed by precipitation polymerization of oligo ethylene glycol methacrylates. The cross-linking density of these microgels and, thus, the network flexibility can be easily tuned through the modulation of the reaction temperature during polymerization. Microgels prepared in absence of any difunctional monomer, i.e. cross-linker, show enhanced deformability and particle spreading on solid surfaces as compared to microgels cross-linked with varying amounts of poly(ethylene glycol diacrylate) (PEG-DA) in addition to self-crosslinking...
2017: PloS One
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