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https://www.readbyqxmd.com/read/28340238/cigarette-smoke-exposure-worsens-endotoxin-induced-lung-injury-and-pulmonary-edema-in-mice
#1
Jeffrey E Gotts, Jason Abbott, Xiaohui Fang, Haru Yanagisawa, Naoki Takasaka, Stephen L Nishimura, Carolyn S Calfee, Michael A Matthay
Introduction: Cigarette smoking (CS) remains a major public health concern and has recently been associated with an increased risk of developing acute respiratory distress syndrome (ARDS). Bronchoalveolar lavage (BAL) experiments in human volunteers have demonstrated that active smokers develop increased alveolar-epithelial barrier permeability to protein after inhaling lipopolysaccharide (LPS). Here we tested the hypothesis that short-term whole-body CS exposure would increase LPS-induced lung edema in mice...
March 9, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28339407/upper-extremity-muscle-activation-in-children-with-unilateral-cerebral-palsy-during-an-auditory-cued-repetitive-task-effects-on-bimanual-coordination
#2
Jeanne Charles
PURPOSE: The aim of this exploratory study was to investigate mirror muscle activation in the upper limbs of children with unilateral cerebral palsy during an auditory-cued repetitive squeezing task and to compare upper limb muscle activation patterns to typically developing peers engaged in the same task. METHODS: A convenience sample of six children with unilateral cerebral palsy and six typically developing peers (7-17 y) participated in the study. Muscle activity was measured using a 16 channel Zerowire EMG system (Noraxon, USA Inc...
2017: Journal of Pediatric Rehabilitation Medicine
https://www.readbyqxmd.com/read/28339333/non-pharmacological-conservative-therapy-for-phantom-limb-pain-a-systematic-review-of-randomized-controlled-trials
#3
Sarah Batsford, Cormac G Ryan, Denis J Martin
The aim of this manuscript was to investigate the effectiveness of conservative therapy for phantom limb pain (PLP). In this systematic review, CINAHL, AMED, the Cochrane database of systematic reviews, PEDro, psychology and behavioral sciences collection, and MEDLINE were systematically searched for appropriate randomized controlled trials (RCTs). Selected papers were assessed for risk of bias, and evidence was graded using the GRADE approach. Twelve RCTs met initial inclusion/exclusion criteria, of which five were of sufficient quality for final inclusion...
March 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28338961/expressed-structurally-stable-inverted-duplicates-in-mammalian-genomes-as-functional-noncoding-elements
#4
Zhen-Xia Chen, Brian Oliver, Yong E Zhang, Ge Gao, Manyuan Long
Inverted duplicates are a type of repetitive DNA motifs consist of two copies of reverse complementary sequences separated by a spacer sequence. They can lead to genome instability and many may have no function, but some functional small RNAs are processed from hairpins transcribed from these elements. It is not clear whether the pervasive numbers of such elements in genomes, especially those of mammals, is the result of high generation rates of neutral or slightly deleterious duplication events or positive selection for functionality...
March 13, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28338793/sensitivity-to-perception-level-differentiates-two-subnetworks-within-the-mirror-neuron-system
#5
Shiri Simon, Roy Mukamel
Mirror neurons are a subset of brain cells that discharge during action execution and passive observation of similar actions. An open question concerns the functional role of their ability to match observed and executed actions. Since understanding of goals requires conscious perception of actions, we expect that mirror neurons potentially involved in action goal coding, will be modulated by changes in action perception level. Here, we manipulated perception level of action videos depicting short hand movements and measured the corresponding fMRI BOLD responses in mirror regions...
February 17, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28337802/the-snf1-activating-kinase-sak1-is-a-key-regulator-of-metabolic-adaptation-and-in-vivo-fitness-of-candida-albicans
#6
Bernardo Ramírez-Zavala, Austin Mottola, Julia Haubenreißer, Sabrina Schneider, Stefanie Allert, Sascha Brunke, Knut Ohlsen, Bernhard Hube, Joachim Morschhäuser
The metabolic flexibility of the opportunistic fungal pathogen Candida albicans is important for colonisation and infection of different host niches. Complex regulatory networks, in which protein kinases play central roles, link metabolism and other virulence-associated traits, such as filamentous growth and stress resistance, and thereby control commensalism and pathogenicity. By screening a protein kinase deletion mutant library that was generated in the present work using an improved SAT1 flipper cassette, we found that the previously uncharacterised kinase Sak1 is a key upstream activator of the protein kinase Snf1, a highly conserved regulator of nutrient stress responses that is essential for viability in C...
March 23, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28337692/a-successful-strategy-for-linking-anonymous-data-from-students-and-parents-questionnaires-using-self-generated-identification-codes
#7
Jaroslav Vacek, Hana Vonkova, Roman Gabrhelík
We conducted a feasibility study for matching children (N = 2571, average age 12 years, 50.4% female) and their parents (N = 1931, average age 41 years, 83.3% female) represented by an anonymous self-generated identification code (SGIC) and assessed its methodological properties. We used a nine-character SGIC with the children and a mirrored version of the same code with the parents. The average overall error rate in generating the SGIC was 9.7% (4.0% in the parents and 13.9% in the children). We were able to link a total of 1765 parents' and children's codes uniquely (94...
March 24, 2017: Prevention Science: the Official Journal of the Society for Prevention Research
https://www.readbyqxmd.com/read/28337213/root-branching-is-a-leading-root-trait-of-the-plant-economics-spectrum-in-temperate-trees
#8
Rebecca Liese, Katrin Alings, Ina C Meier
Global vegetation models use conceived relationships between functional traits to simulate ecosystem responses to environmental change. In this context, the concept of the leaf economics spectrum (LES) suggests coordinated leaf trait variation, and separates species which invest resources into short-lived leaves with a high expected energy return rate from species with longer-lived leaves and slower energy return. While it has been assumed that being fast (acquisitive) or slow (conservative) is a general feature for all organ systems, the translation of the LES into a root economics spectrum (RES) for tree species has been hitherto inconclusive...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28337008/bda-museum-acquires-nineteenth-century-dental-mirror
#9
(no author information available yet)
No abstract text is available yet for this article.
March 24, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28336934/low-frequency-stimulation-of-the-primary-focus-retards-positive-transfer-of-secondary-focus
#10
Yifang Kuang, Cenglin Xu, Yinxi Zhang, Yi Wang, Xiaohua Wu, Ying Wang, Yao Liu, Kai Zhong, Hui Cheng, Yi Guo, Shuang Wang, Meiping Ding, Zhong Chen
Positive transfer of secondary focus (PTS) refers to new epileptogenesis outside the primary focus and is minimally controlled by existing treatments. Low-frequency stimulation (LFS) has benefits on the onset of epilepsy and epileptogenesis. However, it's unclear whether LFS can retard the PTS in epilepsy. Here we found that PTS at both contralateral amygdala and ipsilateral hippocampus were promoted after the primary focus was fully kindled in rat kindling model. The promotion of PTS at the mirror focus started when the primary kindling acquisition reached focal seizures...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28336322/a-novel-semi-automatic-segmentation-protocol-for-volumetric-assessment-of-alveolar-cleft-grafting-procedures
#11
Nard G Janssen, Ruud Schreurs, Gerhard K P Bittermann, Wilfred A Borstlap, Ronald Koole, Gert J Meijer, Thomas J J Maal
A novel protocol for volumetric assessment of alveolar cleft grafting procedures is presented. Eleven cone-beam computed tomography (CBCT) datasets of patients who underwent secondary alveolar cleft reconstructive surgery for a unilateral alveolar cleft were evaluated by two investigators. Residual bone volumes 1 year after surgery were analysed using a semi-automated technique in which preoperative CBCT datasets were superimposed on the postoperative scans using voxel-based registration. To define the correct boundaries of the alveolar cleft defect in the preoperative CBCT dataset, a mirror image of the preoperative CBCT dataset was superimposed on the preoperative CBCT dataset...
February 24, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28336129/labile-iron-potentiates-ascorbate-dependent-reduction-and-mobilization-of-ferritin-iron
#12
Charles Badu-Boateng, Sofia Pardalaki, Claude Wolf, Sonia Lajnef, Fabienne Peyrot, Richard J Naftalin
Ascorbate mobilizes iron from equine spleen ferritin by two separate processes. Ascorbate alone mobilizes ferritin iron with an apparent Km (ascorbate) ≈1.5mM. Labile iron >2μM, complexed with citrate (10mM), synergises ascorbate-dependent iron mobilization by decreasing the apparent Km (ascorbate) to ≈270μM and raising maximal mobilization rate by ≈5-fold. Catalase reduces the apparent Km(ascorbate) for both ascorbate and ascorbate+iron dependent mobilization by ≈80%. Iron mobilization by ascorbate alone has a higher activation energy (Ea=45...
March 21, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28335599/cl2-elimination-in-248-nm-photolysis-of-cocl-2-probed-with-cavity-ring-down-absorption-spectroscopy
#13
Ting-Kang Huang, Bo-Jung Chen, King-Chuen Lin, Lin Lin, Bing-Jian Sun, Agnes H H Chang
A primary elimination channel of chlorine molecule in one-photon dissociation of (COCl)2 at 248 nm is investigated using cavity ring-down absorption spectroscopy (CRDS). By means of spectral simulation, a ratio of vibrational population is estimated to be 1:(0.12+/-0.03):(0.011+/-0.003) for the v=0, 1, and 2 levels. The quantum yield of Cl2 molecular channel is obtained to be 0.8 +/-0.4 initiated from the 1Ag ground state surface (COCl)2 via internal conversion. The obtained total quantum yield is attributed to both primary ((COCl)2 + hv--> 2CO + Cl2) and secondary reactions (dominated by Cl+ COCl -->Cl2 + CO)...
March 24, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28334943/effects-of-prefrontal-cortex-damage-on-emotion-understanding-eeg-and-behavioural-evidence
#14
Anat Perry, Samantha N Saunders, Jennifer Stiso, Callum Dewar, Jamie Lubell, Torstein R Meling, Anne-Kristin Solbakk, Tor Endestad, Robert T Knight
Humans are highly social beings that interact with each other on a daily basis. In these complex interactions, we get along by being able to identify others' actions and infer their intentions, thoughts and feelings. One of the major theories accounting for this critical ability assumes that the understanding of social signals is based on a primordial tendency to simulate observed actions by activating a mirror neuron system. If mirror neuron regions are important for action and emotion recognition, damage to regions in this network should lead to deficits in these domains...
February 22, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28334635/ultrasonic-subwavelength-phase-conjugated-mirror-with-a-layer-of-bubbles
#15
O Lombard, C Barrière, V Leroy
A single layer of gas bubbles in a yield-stress fluid is experimentally shown to behave as a phase-conjugated (PC) mirror with a thickness 250 times smaller than the wavelength (0.14mm-diameter bubbles for phase-conjugation at 40kHz). A high amplitude pump wave at frequency 80kHz interacts with a lower amplitude probe wave centered at 40kHz. A PC-reflection coefficient of 0.15 is obtained for a 50kPa pump. A perturbative second-order theory is shown to quantitatively describe the experimental observations.
March 15, 2017: Ultrasonics
https://www.readbyqxmd.com/read/28334381/mirroring-the-social-aspects-of-speech-and-actions-the-role-of-the-insula
#16
G Di Cesare, M Marchi, A Errante, F Fasano, G Rizzolatti
Action and speech may take different forms, being expressed, for example, gently or rudely. These aspects of social communication, named vitality forms, have been little studied in neuroscience. In the present functional magnetic resonance imaging study, we investigated the role of insula in processing action and speech vitality forms. In speech runs, participants were asked to listen or imaging themselves to pronounce action verbs gently or rudely. In action runs, they were asked to observe or imaging themselves to perform actions gently or rudely...
March 1, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28334098/untangling-the-reticulate-history-of-species-complexes-and-horticultural-breeds-in-abelia-caprifoliaceae
#17
Sven Landrein, Sven Buerki, Hua-Feng Wang, James J Clarkson
Background and Aims: The genetic and morphological consequences of natural selection and selective breeding are explored in the genus Abelia . The genus consists of ornamental shrubs endemic to China, which have been bred to create attractive and diverse cultivars. Methods: DNA fingerprinting (AFLP) and DNA sequence data are used to investigate the genetic diversity among 46 accessions of Abelia (22 natural taxa and 24 horticultural breeds). In the cultivated varieties these data are used to explore taxon boundaries, hybridisation and backcrossing...
February 20, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28333948/epigenomic-annotation-of-noncoding-mutations-identifies-mutated-pathways-in-primary-liver-cancer
#18
Rebecca F Lowdon, Ting Wang
Evidence that noncoding mutation can result in cancer driver events is mounting. However, it is more difficult to assign molecular biological consequences to noncoding mutations than to coding mutations, and a typical cancer genome contains many more noncoding mutations than protein-coding mutations. Accordingly, parsing functional noncoding mutation signal from noise remains an important challenge. Here we use an empirical approach to identify putatively functional noncoding somatic single nucleotide variants (SNVs) from liver cancer genomes...
2017: PloS One
https://www.readbyqxmd.com/read/28332888/clinician-and-patient-acceptability-of-self-collected-human-papillomavirus-testing-for-cervical-cancer-screening
#19
Constance Mao, Shalini L Kulasingam, Hilary K Whitham, Stephen E Hawes, John Lin, Nancy B Kiviat
BACKGROUND: To evaluate clinician and patient attitudes toward home self-collected human papillomavirus (HPV) testing for cervical cancer screening. METHODS: Women aged 21-65 years were recruited for a randomized trial comparing home self-collected HPV testing to standard clinician-collected Pap screening. Participants were surveyed about their attitudes toward self-collected HPV testing. Clinicians performing cervical cancer screening in University of Washington medical clinics were also surveyed to determine their acceptability of self-collected HPV testing...
March 23, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28331993/molecular-characterization-and-phylogenetic-analysis-of-human-influenza-a-viruses-isolated-in-iran-during-the-2014-2015-season
#20
Elham Moasser, Farida Behzadian, Afagh Moattari, Fatemeh Fotouhi, Amir Rahimi, Hassan Zaraket, Seyed Younes Hosseini
Influenza A viruses are an important cause of severe infectious diseases in humans and are characterized by their fast evolution rate. Global monitoring of these viruses is critical to detect newly emerging variants during annual epidemics. Here, we sought to genetically characterize influenza A/H1N1pdm09 and A/H3N2 viruses collected in Iran during the 2014-2015 influenza season. A total of 200 nasopharyngeal swabs were collected from patients with influenza-like illnesses. Swabs were screened for influenza A and B using real-time PCR...
March 22, 2017: Archives of Virology
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