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PloS One

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https://www.readbyqxmd.com/read/29166674/unpredictable-chronic-mild-stress-differentially-impairs-social-and-contextual-discrimination-learning-in-two-inbred-mouse-strains
#1
Michiel van Boxelaere, Jason Clements, Patrick Callaerts, Rudi D'Hooge, Zsuzsanna Callaerts-Vegh
Alterations in the social and cognitive domain are considered important indicators for increased disability in many stress-related disorders. Similar impairments have been observed in rodents chronically exposed to stress, mimicking potential endophenotypes of stress-related psychopathologies such as major depression disorder (MDD), anxiety, conduct disorder, and posttraumatic stress disorder (PTSD). Data from numerous studies suggest that deficient plasticity mechanisms in hippocampus (HC) and prefrontal cortex (PFC) might underlie these social and cognitive deficits...
2017: PloS One
https://www.readbyqxmd.com/read/29166673/factors-related-to-acupuncture-response-in-patients-with-chronic-severe-functional-constipation-secondary-analysis-of-a-randomized-controlled-trial
#2
Xingyue Yang, Yan Liu, Bing Liu, Liyun He, Zhishun Liu, Yanshi Yan, Jia Liu, Baoyan Liu
BACKGROUND: Acupuncture has been demonstrated to be effective and safe for chronic severe functional constipation (CSFC). However, which patients with CSFC will have a better response to acupuncture remains unclear. OBJECTIVE: To explore factors related to acupuncture response in patients with CSFC. METHODS: We performed a secondary analysis of a previous multicenter randomized controlled trial consisting of a 2-week run-in period, 8-week treatment, and 12-week follow-up without treatment in which patients with CSFC were randomly allocated to an electroacupuncture group or a sham electroacupuncture group...
2017: PloS One
https://www.readbyqxmd.com/read/29166672/increased-risk-of-dementia-following-herpes-zoster-ophthalmicus
#3
Ming-Chieh Tsai, Wan-Ling Cheng, Jau-Jiuan Sheu, Chung-Chien Huang, Ben-Chang Shia, Li-Ting Kao, Herng-Ching Lin
This retrospective cohort study aimed to examine the relationship between herpes zoster ophthalmicus (HZO) and the subsequent risk of dementia using a population-based database. We retrieved the study sample from the Taiwan Longitudinal Health Insurance Database 2005. The study group included 846 patients with HZO, and the comparison group included 2538 patients without HZO. Each patient was individually followed for a 5-year period to identify those patients who subsequently received a diagnosis of dementia...
2017: PloS One
https://www.readbyqxmd.com/read/29166671/the-15n-leucine-single-injection-method-allows-for-determining-endogenous-losses-and-true-digestibility-of-amino-acids-in-cecectomized-roosters
#4
Rujiu Hu, Jing Li, Rab Nawaz Soomro, Fei Wang, Yan Feng, Xiaojun Yang, Junhu Yao
This study was conducted to assess the influence of dietary protein content in poultry when using the 15N-leucine single-injection method to determine endogenous amino acid losses (EAALs) in poultry. Forty-eight cecectomized roosters (2.39 ± 0.23 kg) were randomly allocated to eight dietary treatments containing protein levels of 0, 3%, 6%, 9%, 12%, 15%, 18% and 21%. Each bird was precisely fed an experimental diet of 25 g/kg of body weight. After feeding, all roosters were subcutaneously injected with a 15N-leucine solution at a dose of 20 mg/kg of body weight...
2017: PloS One
https://www.readbyqxmd.com/read/29166670/age-related-differences-in-the-respiratory-microbiota-of-chickens
#5
Laura Glendinning, Gerry McLachlan, Lonneke Vervelde
In this era of next generation sequencing technologies it is now possible to characterise the chicken respiratory microbiota without the biases inherent to traditional culturing techniques. However, little research has been performed in this area. In this study we characterise and compare buccal, nasal and lung microbiota samples from chickens in three different age groups using 16S rRNA gene analysis. Buccal and nasal swabs were taken from birds aged 2 days (n = 5), 3 weeks (n = 5) and 30 months (n = 6). Bronchoalveolar lavage (BAL) samples were also collected alongside reagent only controls...
2017: PloS One
https://www.readbyqxmd.com/read/29166669/frequency-of-five-disease-causing-genetic-mutations-in-a-large-mixed-breed-dog-population-2011-2012
#6
Sharon Zierath, Angela M Hughes, Neale Fretwell, Mark Dibley, Kari J Ekenstedt
BACKGROUND: A large and growing number of inherited genetic disease mutations are now known in the dog. Frequencies of these mutations are typically examined within the breed of discovery, possibly in related breeds, but nearly always in purebred dogs. No report to date has examined the frequencies of specific genetic disease mutations in a large population of mixed-breed dogs. Further, veterinarians and dog owners typically dismiss inherited/genetic diseases as possibilities for health problems in mixed-breed dogs, assuming hybrid vigor will guarantee that single-gene disease mutations are not a cause for concern...
2017: PloS One
https://www.readbyqxmd.com/read/29166666/evaluating-the-efficacy-of-an-active-compression-brace-on-orthostatic-cardiovascular-responses
#7
Hadi Moein, Ramandeep Jhalli, Andrew P Blaber, Victoria E Claydon, Carlo Menon
Orthostatic intolerance, one of the principle causes of syncope, can occur secondary to concomitant venous pooling and enhanced capillary filtration. We aimed to evaluate a prototype portable calf active compression brace (ACB) designed to improve orthostatic haemodynamic control. Fourteen healthy volunteers participated in a randomized, placebo controlled, cross-over, double-blind study. Testing consisted of head-upright tilting and walking on a treadmill conducted on two consecutive days with a pair of ACBs wrapped around both calves...
2017: PloS One
https://www.readbyqxmd.com/read/29166665/meditation-experts-try-virtual-reality-mindfulness-a-pilot-study-evaluation-of-the-feasibility-and-acceptability-of-virtual-reality-to-facilitate-mindfulness-practice-in-people-attending-a-mindfulness-conference
#8
María V Navarro-Haro, Yolanda López-Del-Hoyo, Daniel Campos, Marsha M Linehan, Hunter G Hoffman, Azucena García-Palacios, Marta Modrego-Alarcón, Luis Borao, Javier García-Campayo
Regular mindfulness practice benefits people both mentally and physically, but many populations who could benefit do not practice mindfulness. Virtual Reality (VR) is a new technology that helps capture participants' attention and gives users the illusion of "being there" in the 3D computer generated environment, facilitating sense of presence. By limiting distractions from the real world, increasing sense of presence and giving people an interesting place to go to practice mindfulness, Virtual Reality may facilitate mindfulness practice...
2017: PloS One
https://www.readbyqxmd.com/read/29166664/is-there-a-reasonable-excuse-for-not-providing-post-operative-analgesia-when-using-animal-models-of-peripheral-neuropathic-pain-for-research-purposes
#9
Sara Hestehave, Gordon Munro, Rie Christensen, Tina Brønnum Pedersen, Lars Arvastson, Philip Hougaard, Klas S P Abelson
INTRODUCTION: The induction of neuropathic pain-like behaviors in rodents often requires surgical intervention. This engages acute nociceptive signaling events that contribute to pain and stress post-operatively that from a welfare perspective demands peri-operative analgesic treatment. However, a large number of researchers avoid providing such care based largely on anecdotal opinions that it might interfere with model pathophysiology in the longer term. OBJECTIVES: To investigate effects of various peri-operative analgesic regimens encapsulating different mechanisms and duration of action, on the development of post-operative stress/welfare and pain-like behaviors in the Spared Nerve Injury (SNI)-model of neuropathic pain...
2017: PloS One
https://www.readbyqxmd.com/read/29166663/a-general-model-for-predicting-the-binding-affinity-of-reversibly-and-irreversibly-dimerized-ligands
#10
Kenneth W Foreman
Empirical data has shown that bivalent inhibitors can bind a given target protein significantly better than their monomeric counterparts. However, predicting the corresponding theoretical fold improvements has been challenging. The current work builds off the reacted-site probability approach to provide a straightforward baseline reference model for predicting fold-improvements in effective affinity of dimerized ligands over their monomeric counterparts. For the more familiar irreversibly linked bivalents, the model predicts a weak dependence on tether length and a scaling of the effective affinity with the 3/2 power of the monomer's affinity...
2017: PloS One
https://www.readbyqxmd.com/read/29166662/detection-of-hbsag-mutants-in-the-blood-donor-population-of-pakistan
#11
Ahmad Farooq, Usman Waheed, Hasan Abbas Zaheer, Fahad Aldakheel, Shatha Alduraywish, Muhammad Arshad
BACKGROUND: Infection with the Hepatitis B virus (HBV) continues to be one of the leading healthcare issues in Pakistan, affecting over 6 million people. The existence of HBsAg mutants is well documented in many countries. In Pakistan, HBV screening in the majority of the blood banks is performed by Rapid Detection Devices or ELISA tests. These tests are designed to detect HBsAg, but may not detect the mutant HBsAg. Failure to detect the HBsAg mutant may result in the transmission of HBV infection from donor to recipient...
2017: PloS One
https://www.readbyqxmd.com/read/29166661/ultraconserved-elements-uces-resolve-the-phylogeny-of-australasian-smurf-weevils
#12
Matthew H Van Dam, Athena W Lam, Katayo Sagata, Bradley Gewa, Raymond Laufa, Michael Balke, Brant C Faircloth, Alexander Riedel
Weevils (Curculionoidea) comprise one of the most diverse groups of organisms on earth. There is hardly a vascular plant or plant part without its own species of weevil feeding on it and weevil species diversity is greater than the number of fishes, birds, reptiles, amphibians and mammals combined. Here, we employ ultraconserved elements (UCEs) designed for beetles and a novel partitioning strategy of loci to help resolve phylogenetic relationships within the radiation of Australasian smurf-weevils (Eupholini)...
2017: PloS One
https://www.readbyqxmd.com/read/29166660/great-apes-are-sensitive-to-prior-reliability-of-an-informant-in-a-gaze-following-task
#13
Benjamin Schmid, Katja Karg, Josef Perner, Michael Tomasello
Social animals frequently rely on information from other individuals. This can be costly in case the other individual is mistaken or even deceptive. Human infants below 4 years of age show proficiency in their reliance on differently reliable informants. They can infer the reliability of an informant from few interactions and use that assessment in later interactions with the same informant in a different context. To explore whether great apes share that ability, in our study we confronted great apes with a reliable or unreliable informant in an object choice task, to see whether that would in a subsequent task affect their gaze following behaviour in response to the same informant...
2017: PloS One
https://www.readbyqxmd.com/read/29166659/sex-specific-influences-of-mtdna-mitotype-and-diet-on-mitochondrial-functions-and-physiological-traits-in-drosophila-melanogaster
#14
Wen C Aw, Michael R Garvin, Richard G Melvin, J William O Ballard
Here we determine the sex-specific influence of mtDNA type (mitotype) and diet on mitochondrial functions and physiology in two Drosophila melanogaster lines. In many species, males and females differ in aspects of their energy production. These sex-specific influences may be caused by differences in evolutionary history and physiological functions. We predicted the influence of mtDNA mutations should be stronger in males than females as a result of the organelle's maternal mode of inheritance in the majority of metazoans...
2017: PloS One
https://www.readbyqxmd.com/read/29166658/episodic-future-thinking-reduces-temporal-discounting-in-healthy-adolescents
#15
Uli Bromberg, Maria Lobatcheva, Jan Peters
Episodic Future Thinking has proven efficient in reducing impulsive behavior in several adult populations. Whether it also has a beneficial impact on decision making in adolescents is not known. Here the impact of episodic future thinking on discounting behavior was investigated in a sample of healthy adolescents (n = 44, age range 13-16 years). Discounting behavior in trials including episodic future thinking was significantly less impulsive than in control trials (t = 2.74, p = .009, dz = .44). In a subsample we controlled for executive function, alcohol use and developmental measures...
2017: PloS One
https://www.readbyqxmd.com/read/29166657/the-effects-of-kinesio-taping-on-the-trajectory-of-the-forelimb-and-the-muscle-activity-of-the-musculus-brachiocephalicus-and-the-musculus-extensor-carpi-radialis-in-horses
#16
Antonia Zellner, Barbara Bockstahler, Christian Peham
BACKGROUND INFORMATION: The present study aimed to investigate the effects of Kinesio Taping on the trajectory of the forelimb and the muscle activity of the M. brachiocephalicus and the M. extensor carpi radialis in horses. 19 horses and ponies of different breeds (body weight: 496±117 kg), gender (8 mares, 10 geldings and 3 stallions) and ages (14.9±6.9 years old) were analysed without Kinesio Tape ("no tape"), with Kinesio Tape (muscle facilitation application on both muscles of both sides, "with tape") and immediately after Kinesio Taping ("post tape") through kinematic motion analysis and surface electromyography on a treadmill at the walk (speed: 1...
2017: PloS One
https://www.readbyqxmd.com/read/29166654/therapeutic-efficacy-of-equine-botulism-antitoxin-in-rhesus-macaques
#17
Shantha Kodihalli, Andrew Emanuel, Teresa Takla, Yi Hua, Charles Hobbs, Ross LeClaire, Denise C O'Donnell
BACKGROUND: There are currently no licensed vaccines available for prevention of botulism in humans. The vaccination is not desirable due to expanding therapeutic indications of botulinum toxins. The only available specific treatment for botulism is antitoxin to remove circulating toxin, thus, preventing further neuronal damage. BAT® (Botulism Antitoxin Heptavalent (A, B, C, D, E, F, G)-(Equine)) has been developed and its therapeutic efficacy evaluated against botulinum neurotoxin serotype A (BoNT/A) in Rhesus macaques...
2017: PloS One
https://www.readbyqxmd.com/read/29166653/testing-the-applicability-of-a-benthic-foraminiferal-based-transfer-function-for-the-reconstruction-of-paleowater-depth-changes-in-rhodes-greece-during-the-early-pleistocene
#18
Yvonne Milker, Manuel F G Weinkauf, Jürgen Titschack, Andre Freiwald, Stefan Krüger, Frans J Jorissen, Gerhard Schmiedl
We present paleo-water depth reconstructions for the Pefka E section deposited on the island of Rhodes (Greece) during the early Pleistocene. For these reconstructions, a transfer function (TF) using modern benthic foraminifera surface samples from the Adriatic and Western Mediterranean Seas has been developed. The TF model gives an overall predictive accuracy of ~50 m over a water depth range of ~1200 m. Two separate TF models for shallower and deeper water depth ranges indicate a good predictive accuracy of 9 m for shallower water depths (0-200 m) but far less accuracy of 130 m for deeper water depths (200-1200 m) due to uneven sampling along the water depth gradient...
2017: PloS One
https://www.readbyqxmd.com/read/29166652/do-patients-faces-influence-general-practitioners-cancer-suspicions-a-test-of-automatic-processing-of-sociodemographic-information
#19
Rosalind Adam, Roberta Garau, Edwin Amalraj Raja, Benedict Jones, Marie Johnston, Peter Murchie
BACKGROUND: Delayed cancer diagnosis leads to poorer patient outcomes. During short consultations, General Practitioners (GPs) make quick decisions about likelihood of cancer. Patients' facial cues are processed rapidly and may influence diagnosis. AIM: To investigate whether patients' facial characteristics influence immediate perception of cancer risk by GPs. DESIGN AND SETTING: Web-based binary forced choice experiment with GPs from Northeast Scotland...
2017: PloS One
https://www.readbyqxmd.com/read/29166651/stiffness-analysis-of-3d-spheroids-using-microtweezers
#20
Devina Jaiswal, Norah Cowley, Zichao Bian, Guoan Zheng, Kevin P Claffey, Kazunori Hoshino
We describe a novel mechanical characterization method that has directly measured the stiffness of cancer spheroids for the first time to our knowledge. Stiffness is known to be a key parameter that characterizes cancerous and normal cells. Atomic force microscopy or optical tweezers have been typically used for characterization of single cells with the measurable forces ranging from sub pN to a few hundred nN, which are not suitable for measurement of larger 3D cellular structures such as spheroids, whose mechanical characteristics have not been fully studied...
2017: PloS One
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