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PloS One

Adam L Crane, Douglas P Chivers, Maud C O Ferrari
Exposure to intense predation risk can induce morphological and behavioural phenotypes that prepare prey, often at young ages, for surviving attacks from unknown predators. However, previous studies revealed that this survival advantage depended on the predator species. Here, we used alarm cues from injured conspecifics to simulate a period of high predation risk for embryonic wood frogs, Lithobates sylvaticus. Two weeks post-hatching, we tested whether the embryonic risk exposure influenced survival in encounters with two novel predators: (1) a spider (Dolomedes sp...
2018: PloS One
Ivan Wen Wen Lau, Dongting Liu, Lei Xu, Zhanming Fan, Zhonghua Sun
OBJECTIVE: Current diagnostic assessment tools remain suboptimal in demonstrating complex morphology of congenital heart disease (CHD). This limitation has posed several challenges in preoperative planning, communication in medical practice, and medical education. This study aims to investigate the dimensional accuracy and the clinical value of 3D printed model of CHD in the above three areas. METHODS: Using cardiac computed tomography angiography (CCTA) data, a patient-specific 3D model of a 20-month-old boy with double outlet right ventricle was printed in Tango Plus material...
2018: PloS One
Michel W J Smeets, Ruben Bierings, Henriet Meems, Frederik P J Mul, Dirk Geerts, Alexander P J Vlaar, Jan Voorberg, Peter L Hordijk
[This corrects the article DOI: 10.1371/journal.pone.0173077.].
2018: PloS One
Jeffrey M Pernica, Andrew P Steenhoff, Margaret Mokomane, Banno Moorad, Kwana Lechiile, Marek Smieja, Loeto Mazhani, Ji Cheng, Matthew S Kelly, Mark Loeb, Ketil Stordal, David M Goldfarb
[This corrects the article DOI: 10.1371/journal.pone.0185177.].
2018: PloS One
Lauren Gardner, Sahotra Sarkar
[This corrects the article DOI: 10.1371/journal.pone.0072129.].
2018: PloS One
Panteleimon D Mavroudis, Helen E Hermes, Donato Teutonico, Thomas G Preuss, Sebastian Schneckener
The environmental fates of pharmaceuticals and the effects of crop protection products on non-target species are subjects that are undergoing intense review. Since measuring the concentrations and effects of xenobiotics on all affected species under all conceivable scenarios is not feasible, standard laboratory animals such as rabbits are tested, and the observed adverse effects are translated to focal species for environmental risk assessments. In that respect, mathematical modelling is becoming increasingly important for evaluating the consequences of pesticides in untested scenarios...
2018: PloS One
Paula Finatto, Edson Soares Da Silva, Alexandre B Okamura, Bruna P Almada, Henrique B Oliveira, Leonardo A Peyré-Tartaruga
PURPOSE: Strength training improves distance running economy and performance. This finding is based predominantly on maximal and explosive strength programmes applied to locomotor muscles, particularly on the lower limbs. It is not certain whether a minimization of metabolic cost (Cmet) and an improvement in running performance is feasible with strength training of the postural and trunk muscles. METHODS: Using kinematic, neuromuscular and metabolic measurements of running at two different speeds before and after a 12-week Pilates training programme, we tested the hypothesis that core training might improve the running Cmet and performance of trained runners...
2018: PloS One
Sonali Bose, Karina Romero, Kevin J Psoter, Frank C Curriero, Chen Chen, Caroline M Johnson, Deepak Kaji, Patrick N Breysse, D'Ann L Williams, Murugappan Ramanathan, William Checkley, Nadia N Hansel
BACKGROUND: Air pollution exposure may contribute to rhinoconjunctivitis morbidity in children with underlying airways disease. Prior studies have not assessed rhinoconjunctivitis-related quality of life (QOL) in children with asthma chronically exposed to air pollution. METHODS: Children ages 9-19 years with asthma from peri-urban Peru, self-reporting rhinoconjunctivitis symptoms (n = 484), were administered the Rhinoconjunctivitis QOL Questionnaire (RQLQ) at repeated intervals over one year, with scores dichotomized into bothered (>0) and not bothered (= 0)...
2018: PloS One
Masanori Takabayashi, Hassaan Majeed, Andre Kajdacsy-Balla, Gabriel Popescu
Tissue refractive index provides important information about morphology at the nanoscale. Since the malignant transformation involves both intra- and inter-cellular changes in the refractive index map, the tissue disorder measurement can be used to extract important diagnosis information. Quantitative phase imaging (QPI) provides a practical means of extracting this information as it maps the optical path-length difference (OPD) across a tissue sample with sub-wavelength sensitivity. In this work, we employ QPI to compare the tissue disorder strength between benign and malignant breast tissue histology samples...
2018: PloS One
Carlos A Gómez, Jason Sutin, Weicheng Wu, Buyin Fu, Hana Uhlirova, Anna Devor, David A Boas, Sava Sakadžić, Mohammad A Yaseen
Investigating cerebral metabolism in vivo at a microscopic level is essential for understanding brain function and its pathological alterations. The intricate signaling and metabolic dynamics between neurons, glia, and microvasculature requires much more detailed understanding to better comprehend the mechanisms governing brain function and its disease-related changes. We recently demonstrated that pharmacologically-induced alterations to different steps of cerebral metabolism can be distinguished utilizing 2-photon fluorescence lifetime imaging of endogenous reduced nicotinamide adenine dinucleotide (NADH) fluorescence in vivo...
2018: PloS One
Stefan P W de Vries, Moses Vurayai, Mark Holmes, Srishti Gupta, Michael Bateman, David Goldfarb, Duncan J Maskell, Maitshwarelo Ignatius Matsheka, Andrew J Grant
Campylobacter spp. are a leading cause of bacterial enteritis worldwide, including countries in Africa, and have been identified by the World Health Organisation (WHO) as one of the high priority antimicrobial resistant pathogens. However, at present there is little knowledge on the prevalence, molecular epidemiology or antimicrobial susceptibility of Campylobacter spp. isolates in Botswana, both in patients and in the zoonotic context. Some data indicate that ~14% of diarrhoeal disease cases in a paediatric setting can be ascribed to Campylobacter spp...
2018: PloS One
Óscar M Lozano, Carmen Díaz-Batanero, Antonio J Rojas, Angelina Pilatti, Fermín Fernández-Calderón
The UPPS Impulsive Behaviour Scale (with five dimensions of impulsive behaviour) is being widely used. One of the handicaps of this instrument is its relatively long administration time. This has led to the development of a short version: SUPPS-P. There are no studies comparing the relationship between the SUPPS-P scores and the original UPPS-P scores. The objectives of this study, therefore, were to analyse the psychometric properties, concordance of person measures, and efficiency of the SUPPS-P compared to those on UPPS-P, applying an Item Response Theory Model...
2018: PloS One
Elizabeth Bevan, Scott Whiting, Tony Tucker, Michael Guinea, Andrew Raith, Ryan Douglas
Drones are being increasingly used in innovative ways to enhance environmental research and conservation. Despite their widespread use for wildlife studies, there are few scientifically justified guidelines that provide minimum distances at which wildlife can be approached to minimize visual and auditory disturbance. These distances are essential to ensure that behavioral and survey data have no observer bias and form the basis of requirements for animal ethics and scientific permit approvals. In the present study, we documented the behaviors of three species of sea turtle (green turtles, Chelonia mydas, flatback turtles, Natator depressus, hawksbill turtles, Eretmochelys imbricata), saltwater crocodiles (Crocodylus porosus), and crested terns (Thalasseus bergii) in response to a small commercially available (1...
2018: PloS One
Gustav M Kessel, Nicole E Phillips
For organisms with complex life histories, carry-over effects (COEs) can manifest between life stages, when conditions experienced by one stage influence the next, as well as trans-generationally, when the parental environment affects offspring. Here we used multiple global change-associated stressors to examine both forms of COE simultaneously in an intertidal limpet with mixed development (i.e. planktonic larvae hatch from benthic egg masses). Adult Siphonaria australis were subjected to four treatments over four weeks: an ambient control, a treatment featuring elevated water temperature (25°C) and UVB (1...
2018: PloS One
(no author information available yet)
[This corrects the article DOI: 10.1371/journal.pone.0188775.].
2018: PloS One
Sarah M Rosanowski, Yu-Mei Chang, Anthony J Stirk, Kristien L P Verheyen
A key focus of the racing industry is to reduce the number of race-day events where horses die suddenly or are euthanased due to catastrophic injury. The objective of this study was therefore to determine risk factors for race-day fatalities in Thoroughbred racehorses, using a cohort of all horses participating in flat racing in Great Britain between 2000 and 2013. Horse-, race- and course-level data were collected and combined with all race-day fatalities, recorded by racecourse veterinarians in a central database...
2018: PloS One
Takuya Nikaido, Masahiko Sumitani, Miho Sekiguchi, Shinichi Konno
OBJECTIVES: To develop screening tools for neuropathic pain caused by spinal disorders, the Spine painDETECT questionnaire (SPDQ) and its short-form version (SF-SPDQ), by modifying the Japanese version of the painDETECT questionnaire (PDQ-J), and to validate these tools. METHODS: Using data from patients with neuropathic pain caused by spinal disorders (NeP-SD) and patients with nociceptive pain caused by joint disorders (NocP) as controls, we devised a scoring system for the SPDQ by calculating weighting coefficients for nine PDQ-J items...
2018: PloS One
Feng Liang, Christian Giordano, Dong Shang, Qian Li, Basil J Petrof
Duchenne muscular dystrophy (DMD) is characterized by progressive muscle weakness which is ultimately fatal, most often due to involvement of the diaphragm. Macrophage infiltration of dystrophic muscles has been strongly linked to muscle damage and fibrosis in DMD. We hypothesized that cenicriviroc (CVC), a dual chemokine receptor (CCR2/CCR5) antagonist currently under clinical evaluation for other diseases, could prevent macrophage accumulation and blunt disease progression in the diaphragms of mdx mice (genetic homologue of DMD)...
2018: PloS One
Francesca Bagnato, Simon Hametner, Emma Boyd, Verena Endmayr, Yaping Shi, Vasiliki Ikonomidou, Guanhua Chen, Siddharama Pawate, Hans Lassmann, Seth Smith, E Brian Welch
T2*-weighted multi-echo gradient-echo magnetic resonance imaging and its reciprocal R2* are used in brain imaging due to their sensitivity to iron content. In patients with multiple sclerosis who display pathological alterations in iron and myelin contents, the use of R2* may offer a unique way to untangle mechanisms of disease. Coronal slices from 8 brains of deceased multiple sclerosis patients were imaged using a whole-body 7.0 Tesla MRI scanner. The scanning protocol included three-dimensional (3D) T2*-w multi-echo gradient-echo and 2D T2-w turbo spin echo (TSE) sequences...
2018: PloS One
Rupert W Major, Mark R I Cheng, Robert A Grant, Saran Shantikumar, Gang Xu, Issaam Oozeerally, Nigel J Brunskill, Laura J Gray
BACKGROUND AND OBJECTIVES: Chronic kidney disease (CKD) is a global health burden and is independently associated with increased cardiovascular disease risk. Assessment of cardiovascular risk in the general population using prognostic models based on routinely collected risk factors is embedded in clinical practice. In CKD, prognostic models may misrepresent risk due to the interplay of traditional atherosclerotic and non-traditional risk factors. This systematic review's aim was to identify routinely collected risk factors for inclusion in a CKD-specific cardiovascular prognostic model...
2018: PloS One
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