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https://www.readbyqxmd.com/read/29793151/effect-of-two-months-whole-body-vibration-on-hoof-growth-rate-in-the-horse-a-pilot-study
#1
Bart Tom Halsberghe
Hoof problems are commonly seen in veterinary practice and manipulation of hoof growth rate can be practical and beneficial for that matter. The purpose of this research was to evaluate the effect of whole body vibration (WBV) on hoof growth rate of front feet in the horse. The study was an experimental, single subject, repeated measure design, with all horses serving as control and treatment. Ten horses were subject to WBV, 30 min, twice daily, five days a week, for 60 days in addition to their regular exercise routine...
May 16, 2018: Research in Veterinary Science
https://www.readbyqxmd.com/read/29793092/a-combined-ftir-and-dsc-study-on-the-bilayer-stabilising-effect-of-electrostatic-interactions-in-ion-paired-lipids
#2
Maximilian Schmid, Christian Wölk, Julia Giselbrecht, K L Andrew Chan, Richard D Harvey
Investigating lipid ion pair formation is important for understanding the mechanisms of lipid-mediated drug resistance in bacteria. In this study we have used the charged amphiphiles dipalmitoylphosphatidylglycerol (DPPG) and dihexadecyldimethylammonium bromide (DHDAB), as a model to evaluate the formation of ion pairs by a combined Fourier transform infrared spectroscopy (FTIR) and differential scanning calorimetry (DSC) analysis. FTIR was employed to study the environment of the DPPC headgroup phosphate and lipid/surfactant alkane chains, in vesicles formed by the two amphiphiles mixed in various molar ratios...
May 17, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29793068/prenatal-phthalate-exposure-birth-outcomes-and-dna-methylation-of-alu-and-line-1-repetitive-elements-a-pilot-study-in-china
#3
Li-Li Huang, Bin Zhou, Song-Hua Ai, Pan Yang, Ying-Jun Chen, Chong Liu, Yan-Ling Deng, Qing Lu, Xiao-Ping Miao, Wen-Qing Lu, Yi-Xin Wang, Qiang Zeng
BACKGROUND: Epigenetic mechanisms, such as altered DNA methylation, may participate in the relationship between prenatal phthalate exposure and adverse birth outcomes. OBJECTIVE: To explore the mediation effect of DNA methylation in the associations of phthalate exposure before delivery with birth outcomes in a Chinese cohort. METHODS: Eight phthalate metabolites in maternal urine before delivery and DNA methylation of Alu and long interspersed nucleotide elements (LINE-1) in cord blood were determined among 106 mother-infant pairs...
May 7, 2018: Chemosphere
https://www.readbyqxmd.com/read/29793061/microstructural-imaging-of-the-human-brain-with-a-super-scanner-10-key-advantages-of-ultra-strong-gradients-for-diffusion-mri
#4
D K Jones, D C Alexander, R Bowtell, M Cercignani, F Dell'Acqua, D J McHugh, K L Miller, M Palombo, G J M Parker, U S Rudrapatna, C M W Tax
The key component of a microstructural diffusion MRI 'super-scanner' is a dedicated high-strength gradient system that enables stronger diffusion weightings per unit time compared to conventional gradient designs. This can, in turn, drastically shorten the time needed for diffusion encoding, increase the signal-to-noise ratio, and facilitate measurements at shorter diffusion times. This review, written from the perspective of the National Facility for In Vivo MR Imaging of Human Tissue Microstructure, an initiative to establish a shared 300 mT/m-gradient facility amongst the microstructural imaging community, describes ten advantages of ultra-strong gradients for microstructural imaging...
May 21, 2018: NeuroImage
https://www.readbyqxmd.com/read/29793042/aminergic-neuromodulation-of-associative-visual-learning-in-harnessed-honey-bees
#5
Nino Mancini, Martin Giurfa, Jean-Christophe Sandoz, Aurore Avarguès-Weber
The honey bee Apis mellifera is a major insect model for studying visual cognition. Free-flying honey bees learn to associate different visual cues with a sucrose reward and may deploy sophisticated cognitive strategies to this end. Yet, the neural bases of these capacities cannot be studied in flying insects. Conversely, immobilized bees are accessible to neurobiological investigation but training them to respond appetitively to visual stimuli paired with sucrose reward is difficult. Here we succeeded in coupling visual conditioning in harnessed bees with pharmacological analyses on the role of octopamine (OA), dopamine (DA) and serotonin (5-HT) in visual learning...
May 21, 2018: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/29792993/responsiveness-of-the-japanese-orthopaedic-association-back-pain-evaluation-questionnaire-in-lumbar-surgery-and-its-threshold-for-indicating-clinically-important-differences
#6
Takahito Fujimori, Toshitada Miwa, Takenori Oda
BACKGROUND CONTEXT: Introduced in 2007, the Japanese Orthopaedic Association Back Pain Evaluation Questionnaire (JOABPEQ) has been widely used, but its psychometric properties have not been well studied. PURPOSE: To assess the responsiveness and the clinically important differences of JOABPEQ for lumbar surgery. STUDY DESIGN: Prospective study. PATIENT SAMPLE: Two hundreds and three consecutive patients underwent lumbar surgeries between July 2013 and November 2015 in a single hospital...
May 21, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29792910/perception-of-children-with-visible-untreated-and-treated-caries
#7
Claudia Tschammler, David Zimmermann, Sarah Batschkus, Annette Wiegand, Kristian Folta-Schoofs
OBJECTIVES: This study aimed to analyse if children with untreated or treated caries (restorations/missing teeth) are perceived differently compared to children with healthy teeth and to explore possible differences in the perception by laypersons and dental experts. METHODS: Eye movements of female experts (n = 20) and laypersons (n = 18) were recorded by eye-tracking while paired images (neutral expression/teeth not visible; emotional expression/smiling, teeth visible) of children with healthy teeth, with visible untreated or treated caries (restorations/missing teeth as a consequence of caries treatment), each n = 13, were presented...
May 21, 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29792886/t-grasp-a-targeted-grasp-for-assessing-neuronal-connectivity
#8
Harold K Shearin, Casey D Quinn, Robert D Mackin, Ian S Macdonald, R Steven Stowers
BACKGROUND: Understanding how behaviors are generated by neural circuits requires knowledge of the synaptic connections between the composite neurons. Methods for mapping synaptic connections, such as electron microscopy and paired recordings, are labor intensive and alternative methods are thus desirable. NEW METHOD: Development of a targeted GFP Reconstitution Across Synaptic Partners(GRASP) method, t-GRASP, for assessing neural connectivity is described. RESULTS: Numerous different pre-synaptic and post-synaptic/dendritic proteins were tested for enhancing the specificity of GRASP signal to synaptic regions...
May 21, 2018: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29792880/molecular-alterations-during-larval-development-of-haemonchus-contortus-in-vitro-are-under-tight-post-transcriptional-control
#9
Guangxu Ma, Tao Wang, Pasi K Korhonen, Ching-Seng Ang, Nicholas A Williamson, Neil D Young, Andreas J Stroehlein, Ross S Hall, Anson V Koehler, Andreas Hofmann, Robin B Gasser
In this study, we explored the molecular alterations in the developmental switch from the L3 to the exsheathed L3 (×L3) and to the L4 stage of Haemonchus contortus in vitro using an integrated transcriptomic, proteomic and bioinformatic approach. Totals of 9,754 mRNAs, 88 microRNAs (miRNAs) and 1,591 proteins were identified, and 6,686 miRNA-mRNA pairs inferred in all larval stages studied. Approximately 16% of transcripts in the combined transcriptome (representing all three larval stages) were expressed as proteins, and there were positive correlations (r = 0...
May 22, 2018: International Journal for Parasitology
https://www.readbyqxmd.com/read/29792877/coordinating-multi-protein-mismatch-repair-by-managing-diffusion-mechanics-on-the-dna
#10
REVIEW
Daehyung Kim, Richard Fishel, Jong-Bong Lee
DNA mismatch repair (MMR) corrects DNA base pairing errors that occur during DNA replication. MMR catalyzes strand-specific DNA degradation and resynthesis by dynamic molecular coordination of sequential downstream pathways. The temporal and mechanistic order of molecular events is essential to insure interactions in MMR that occur over long distances on the DNA. Biophysical real-time studies of highly conserved components on mismatched DNA have shed light on the mechanics of MMR. Single-molecule imaging has visualized stochastically coordinated MMR interactions that are based on thermal fluctuation-driven motions...
May 21, 2018: Journal of Molecular Biology
https://www.readbyqxmd.com/read/29792822/genetic-identity-in-genebanks-application-of-the-solcap-12k-snp-array-in-fingerprinting-and-diversity-analysis-in-the-global-in-trust-potato-collection
#11
David Ellis, Oswaldo Chavez, Joseph J Coombs, Julian V Soto, Rene Gomez, David S Douches, Ana Panta, Rocio Silvestre, Noelle Lynette Anglin
Breeders rely on genetic integrity of material from genebanks, however, mislabeling and errors in original data can occur. Paired samples of original material and their in vitro counterparts from 250 diverse potato landrace accessions from the International Potato Center (CIP), were fingerprinted using the Infinium 12K V2 Potato Array to confirm genetic identity and evaluate genetic diversity. Diploid, triploid, and tetraploid accessions were included representing seven cultivated potato taxa (Hawkes, 1990)...
May 24, 2018: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/29792737/assessing-the-recall-rate-for-screening-mammography-comparing-the-medicare-hospital-compare-dataset-with-the-national-mammography-database
#12
Cindy S Lee, Carol Parise, Judy Burleson, David Seidenwurm
OBJECTIVE: High-quality screening mammography has been shown to substantially reduce mortality from breast cancer. Recall rate is a principal performance metric for screening mammography because it directly relates to the rate of false-positive examinations. This study aims to compare the recall rate derived using two sources-the claims-based Hospital Compare (HC) dataset from the Centers for Medicare & Medicaid Services versus the National Mammography Database (NMD) from the American College of Radiology-to understand the implications in pay-for-performance and quality improvement activities...
May 24, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29792690/a-general-method-to-increase-stokes-shift-by-introducing-alternating-vibronic-structures
#13
Tian-Bing Ren, Wang Xu, Wei Zhang, Xing-Xing Zhang, Zhi-Yao Wang, Zhen Xiang, Lin Yuan, Xiaobing Zhang
Fluorescent dyes have enabled the progress of the broad biomedical fields. However, many commercially available dyes suffer from small Stokes shifts, resulting in poor signal-to-noise ratio and self-quenching on current microscope configuration. In this work, we have developed a general method to significantly increase the Stokes shifts of common fluorophores. By simply appending a 1,4-diethyl-decahydro-quinoxaline (DQ) moiety onto the conjugated structure, we introduced a vibronic backbone that could facilely expand the Stokes shifts, emission wavelength and photo-stability of eleven different fluorophores by more than 3-fold...
May 24, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29792587/child-abuse-potential-in-mothers-with-early-life-maltreatment-borderline-personality-disorder-and-depression
#14
Katja Dittrich, Katja Boedeker, Dorothea Kluczniok, Charlotte Jaite, Catherine Hindi Attar, Daniel Fuehrer, Sabine C Herpertz, Romuald Brunner, Sibylle Maria Winter, Andreas Heinz, Stefan Roepke, Christine Heim, Felix Bermpohl
BACKGROUND: Early life maltreatment (ELM), borderline personality disorder (BPD) and major depressive disorder (MDD) have been shown to increase the potential of abuse. Emotion regulation is an identified mediator for the association of ELM and BPD with abuse potential. Until now, there has been no study to account for the co-occurrence of these risk factors in one analysis, although BPD and MDD are known as common sequelae of ELM. This is paired with a lack of studies investigating the effects of abuse potential on child well-being...
May 24, 2018: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/29792562/combined-effects-and-cross-interactions-of-different-antibiotics-and-polypeptides-in-salmonella-bredeney
#15
Xiangyu Ju, Mengjiao Zhu, Jinzhi Han, Zhaoxin Lu, Haizhen Zhao, Xiaomei Bie
Salmonella spp. are health-threatening foodborne pathogens. The increasingly common spread of antibiotic-resistant Salmonella spp. is a major public healthcare issue worldwide. In this study, we wished to explore (1) antibiotic or polypeptide combinations to inhibit multidrug-resistant Salmonella bredeney and (2) the regulation of cross-resistance and collateral sensitivity of antibiotics and polypeptides. We undertook a study to select antibiotic combinations. Then, we promoted drug-resistant strains of S...
May 24, 2018: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/29792560/acceleration-profile-of-an-acrobatic-act-during-training-and-shows-using-wearable-technology
#16
Leland Barker, Bryan Burnstein, John Mercer
The purpose of this study was to describe the mechanical characteristics of a trampoline circus act and its individual tracks performed in training and shows using a tri-axial accelerometer. A track is an artist's specific role within a choreographed act. Seven male acrobats performed their trampoline act during training and shows while wearing a triaxial accelerometer and reported ratings of perceived exertion (RPE) after each trial. Average acceleration (AVG), root mean square (RMS), root mean to the fourth (RM4), time spent in specific acceleration ranges and RPE were measured/recorded from training and show acts...
May 24, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29792523/personality-homophily-and-geographic-distance-in-facebook
#17
Nyala Noë, Roger M Whitaker, Stuart M Allen
Personality homophily remains an understudied aspect of social networks, with the traditional focus concerning sociodemographic variables as the basis for assortativity, rather than psychological dispositions. We consider the effect of personality homophily on one of the biggest constraints to human social networks: geographic distance. We use the Big five model of personality to make predictions for each of the five facets: Openness to experience, Conscientiousness, Extraversion, Agreeableness, and Neuroticism...
May 24, 2018: Cyberpsychology, Behavior and Social Networking
https://www.readbyqxmd.com/read/29792520/changes-in-the-neurovascular-anatomy-of-the-shoulder-after-an-open-latarjet-procedure-defining-a-surgical-safe-zone
#18
Christopher M LaPrade, Andrew S Bernhardson, Zachary S Aman, Gilbert Moatshe, Jorge Chahla, Grant J Dornan, Robert F LaPrade, Matthew T Provencher
BACKGROUND: Although previous literature has described the relevant anatomy for an open anterior Bankart approach of the shoulder, there is little known regarding the anatomic relationship changes in the neurovascular structures after an open Latarjet procedure. PURPOSE: To define the neurovascular anatomy of the native shoulder in relation to the coracoid and to define the anatomy after the Latarjet procedure in relation to the glenoid to determine distances to these neurovascular structures with and without neurolysis of the musculocutaneous nerve (MCN) from the conjoint tendon...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29792435/measuring-drug-induced-changes-in-metabolite-populations-of-live-bacteria-real-time-analysis-by-raman-spectroscopy
#19
Paul R Carey, Grant R Whitmer, Michael J Yoon, Michael N Lombardo, Marianne Pusztai-Carey, Hossein Heidari-Torkabadi, Tao Che
Raman difference spectroscopy is shown to provide a wealth of molecular detail on changes within bacterial cells caused by infusion of antibiotics or hydrogen peroxide. E. coli strains paired with chloramphenicol, DHFR propargyl-based inhibitors, meropenem, or hydrogen peroxide provide details of the depletion of protein and nucleic acid populations in real time. Additionally, other reproducible Raman features appear and are attributed to changes in cell metabolite populations. An initial candidate for one of the metabolites involves population increases of citrate, an intermediate within the TCA cycle...
May 24, 2018: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29792356/isochromanes-from-aspergillus-fumigatus-an-endophytic-fungus-from-cordyceps-sinensis
#20
Xiao-Hua Li, Xue-Hua Han, Ling-Ling Qin, Jun-Lin He, Zhi-Xing Cao, Yu-Cheng Gu, Da-Le Guo, Yun Deng
Four previously undescribed isochromanes were isolated from the fermentation broth of an endophytic fungus Aspergillus fumigatus, which was obtained from the fruiting body of Cordyceps sinensis. Their structures were elucidated through extensive spectroscopic analyses. One racemic isochromane was further purified by chiral HPLC to yield a pair of enantiomers and their absolute configurations were determined by quantum chemical ECD calculations. These isolated compounds were evaluated for cytotoxicity against two cell lines (MV4-11 and MDA-ME-231) and the result showed that compounds 1a and 2 exhibited moderate growth inhibition against MV4-11 cell line...
May 24, 2018: Natural Product Research
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