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https://www.readbyqxmd.com/read/29342241/ipat-intelligent-prediction-and-association-tool-for-genomic-research
#1
Chunpeng James Chen, Zhiwu Zhang
Summary: The ultimate goal of genomic research is to effectively predict phenotypes from genotypes so that medical management can improve human health and molecular breeding can increase agricultural production. Genomic prediction or selection (GS) plays a complementary role to genome-wide association studies (GWAS), which is the primary method to identify genes underlying phenotypes. Unfortunately, most computing tools cannot perform data analyses for both GWAS and GS. Furthermore, the majority of these tools are executed through a command-line interface (CLI), which requires programming skills...
January 11, 2018: Bioinformatics
https://www.readbyqxmd.com/read/29342146/a-theory-of-how-active-behavior-stabilises-neural-activity-neural-gain-modulation-by-closed-loop-environmental-feedback
#2
Christopher L Buckley, Taro Toyoizumi
During active behaviours like running, swimming, whisking or sniffing, motor actions shape sensory input and sensory percepts guide future motor commands. Ongoing cycles of sensory and motor processing constitute a closed-loop feedback system which is central to motor control and, it has been argued, for perceptual processes. This closed-loop feedback is mediated by brainwide neural circuits but how the presence of feedback signals impacts on the dynamics and function of neurons is not well understood. Here we present a simple theory suggesting that closed-loop feedback between the brain/body/environment can modulate neural gain and, consequently, change endogenous neural fluctuations and responses to sensory input...
January 17, 2018: PLoS Computational Biology
https://www.readbyqxmd.com/read/29336363/utility-and-safety-of-intrathecal-methotrexate-treatment-in-severe-anti-n-methyl-d-aspartate-receptor-encephalitis-a-pilot-study
#3
Xun-Zhe Yang, Hua-Dong Zhu, Hai-Tao Ren, Yi-Cheng Zhu, Bin Peng, Li-Ying Cui, Hong-Zhi Guan
BACKGROUND: Anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis is a treatable autoimmune neurologic syndrome that occurs with or without tumor association. However, some severe cases are refractory to systemic immunotherapy. This pilot study aimed to evaluate the utility and safety of intrathecal methotrexate injection for severe patients with anti-NMDAR encephalitis who did not respond to first-line immunotherapy. METHODS: Intrathecal injections with methotrexate and dexamethasone were performed weekly in four legible patients within consecutive 4 weeks...
January 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29331165/investigating-the-population-structure-and-genetic-differentiation-of-livestock-guard-dog-breeds
#4
D Bigi, S P Marelli, L Liotta, S Frattini, A Talenti, G Pagnacco, M Polli, P Crepaldi
Livestock guarding dogs are a valuable adjunct to the pastoral community. Having been traditionally selected for their working ability, they fulfil their function with minimal interaction or command from their human owners. In this study, the population structure and the genetic differentiation of three Italian livestock guardian breeds (Sila's Dog, Maremma and Abruzzese Sheepdog and Mannara's Dog) and three functionally and physically similar breeds (Cane Corso, Central Asian Shepherd Dog and Caucasian Shepherd Dog), totalling 179 dogs unrelated at the second generation, were investigated with 18 autosomal microsatellite markers...
January 14, 2018: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29330571/impact-of-motor-task-execution-on-an-individual-s-ability-to-mirror-forearm-positions
#5
Netta Gurari, Justin M Drogos, Shawn Lopez, Julius P A Dewald
This work is motivated by our goal of determining why individuals with stroke are impaired when locating their arms in space. We assessed the ability of individuals without neurological impairments to mirror their forearms during various motor tasks so that we could identify baseline performance in an unimpaired population. Nine right-hand dominant participants without neurological impairments mirrored forearm positions bi-directionally (i.e., right forearm mirrors left forearm, vice versa) for three motor tasks (i...
January 12, 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29329954/comparative-myology-of-the-ankle-of-leopardus-wiedii-and-l-geoffroyi-carnivora-felidae-functional-consistency-with-osteology-locomotor-habits-and-hunting-in-captivity
#6
Miriam M Morales, S Rocío Moyano, Agustina M Ortiz, Marcos D Ercoli, Luis I Aguado, Sergio A Cardozo, Norberto P Giannini
Leopardus wiedii (margay) is the only arboreal Neotropical felid able to climb head-first down trees, due to its ability to rotate its tarsal joint 180°. A closely related, similar-sized species, L. geoffroyi (Geoffroy's cat) exhibits more typical terrestrial habits and lacks the arboreal capabilities of L. wiedii. There is osteological evidence that supports a mechanical specialization of L. wiedii's tarsal joint for inversion, but there have been no studies on the myology of this specialization. Based on comparative gross-anatomy dissections of zeugo- and autopodial muscles related to the ankle joint of one margay specimen and two Geoffroýs cats, we identified myological specializations of L...
December 26, 2017: Zoology: Analysis of Complex Systems, ZACS
https://www.readbyqxmd.com/read/29327988/alexa-siri-cortana-and-more-an-introduction-to-voice-assistants
#7
Matthew B Hoy
Voice assistants are software agents that can interpret human speech and respond via synthesized voices. Apple's Siri, Amazon's Alexa, Microsoft's Cortana, and Google's Assistant are the most popular voice assistants and are embedded in smartphones or dedicated home speakers. Users can ask their assistants questions, control home automation devices and media playback via voice, and manage other basic tasks such as email, to-do lists, and calendars with verbal commands. This column will explore the basic workings and common features of today's voice assistants...
January 2018: Medical Reference Services Quarterly
https://www.readbyqxmd.com/read/29326512/evaluating-the-effect-of-different-conditioning-agents-on-the-shear-bond-strength-of-resin-modified-glass-ionomers
#8
Namith Rai, Rajaram Naik, Ravi Gupta, Shobana Shetty, Amith Singh
Aim of the Study: This study aims to evaluate the effects three different conditioning agents on the shear bond strength of resin-modified glass ionomers to human dentin. Materials and Methods: One hundred and twenty recently extracted, caries-free premolars and molars will be cleaned of debris and disinfected in a 0.5% solution of sodium hypochlorite and sterile water for 30 min. The occlusal surface of each tooth will be reduced using conventional model trimmer with water to produce the dentin surface...
October 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29325130/emergent-heterogeneous-micro-environments-in-biofilms-substratum-surface-heterogeneity-and-bacterial-adhesion-force-sensing
#9
Yijin Ren, Can Wang, Zhi Chen, Elaine Allan, Henny C van der Mei, Henk J Busscher
Phenotypically-heterogeneous micro-environments emerge as biofilms mature across different environments. Phenotypic-heterogeneity in biofilm sub-populations not obeying quorum sensing-dictated, collective group-behavior, may be considered as a strategy allowing non-conformists to survive hostile conditions. Heterogeneous phenotype development has been amply studied with respect to gene expression and genotypic changes, but 'biofilm genes' responsible for pre-programmed development of heterogeneous micro-environments in biofilms have never been discovered...
January 9, 2018: FEMS Microbiology Reviews
https://www.readbyqxmd.com/read/29323043/neural-computational-modeling-reveals-a-major-role-of-corticospinal-gating-of-central-oscillations-in-the-generation-of-essential-tremor
#10
Hong-En Qu, Chuanxin M Niu, Si Li, Man-Zhao Hao, Zi-Xiang Hu, Qing Xie, Ning Lan
Essential tremor, also referred to as familial tremor, is an autosomal dominant genetic disease and the most common movement disorder. It typically involves a postural and motor tremor of the hands, head or other part of the body. Essential tremor is driven by a central oscillation signal in the brain. However, the corticospinal mechanisms involved in the generation of essential tremor are unclear. Therefore, in this study, we used a neural computational model that includes both monosynaptic and multisynaptic corticospinal pathways interacting with a propriospinal neuronal network...
December 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29322907/-turn-laterally-to-the-left-the-need-for-uniform-c-arm-communication-terminology-during-orthopaedic-trauma-surgery
#11
R-J De Muinck Keizer, D S Klei, P J Van Koperen, C N Van Dijk, J C Goslings
To avoid disturbed teamwork, unnecessary radiation exposure, and procedural delays, we designed and tested a uniform communication language for use in fluoroscopy-assisted surgical procedures. Input of surgeons and radiographers was used to create a set of commands. The potential benefit of this terminology was explored in an experimental setting. There was a tremendous diversity in the currently used terminology. Use of the newly designed terminology showed a reduction of procedural time and amount of images needed...
March 2017: Acta Orthopaedica Belgica
https://www.readbyqxmd.com/read/29321322/dengue-virus-selectively-annexes-endoplasmic-reticulum-associated-translation-machinery-as-a-strategy-for-co-opting-host-cell-protein-synthesis
#12
David W Reid, Rafael K Campos, Jessica R Child, Tianli Zheng, Kitti Wing Ki Chan, Shelton S Bradrick, Subhash G Vasudevan, Mariano A Garcia-Blanco, Christopher V Nicchitta
A primary question in Dengue virus (DENV) biology is the molecular strategy for recruitment of host cell protein synthesis machinery. Here we combined cell fractionation, ribosome profiling, and RNA-seq to investigate the subcellular organization of viral genome translation and replication as well as host cell translation and its response to DENV infection. We report that throughout the viral life cycle, DENV (+) and (-) strand RNAs were highly partitioned to the endoplasmic reticulum (ER), identifying the ER as the primary site of DENV translation...
January 10, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29319576/are-gillies-ten-commandments-just-as-commanding-today
#13
Andrew James Diver
No abstract text is available yet for this article.
February 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29317053/fear-of-movement-modulates-the-feedforward-motor-control-of-the-affected-limb-in-complex-regional-pain-syndrome-crps-a-single-case-study
#14
Michihiro Osumi, Masahiko Sumitani, Yuko Otake, Shu Morioka
Pain-related fear can exacerbate physical disability and pathological pain in complex regional pain syndrome (CRPS) patients. We conducted a kinematic analysis of grasping movements with a pediatric patient suffering from CRPS in an upper limb to investigate how pain-related fear affects motor control. Using a three-dimensional measurement system, we recorded the patient's movement while grasping three vertical bars of different diameters (thin, middle, thick) with the affected and intact hands. We analyzed the maximum grasp distance between the thumb and the index finger (MGD), the peak velocity of the grasp movement (PV), and the time required for the finger opening phase (TOP) and closing phase (TCP)...
January 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29315630/my-mistake-enhanced-error-processing-for-commanded-compared-to-passively-observed-actions
#15
Lisa Weller, Katharina A Schwarz, Wilfried Kunde, Roland Pfister
We often ask other people to carry out actions for us in order to reach our goals. However, these commanded actions may sometimes go awry, and goal attainment is hindered by errors of the following person. Here, we investigated how the commanding person processes these errors of their follower. Because such errors indicate that the original goal of the command is not met, error processing for these actions should be enhanced compared to passively observing another person's actions. Participants thus either commanded another agent to perform one of four key press responses or they passively observed the agent responding...
January 8, 2018: Psychophysiology
https://www.readbyqxmd.com/read/29315576/the-metaboreflex-does-not-contribute-to-the-increase-in-muscle-sympathetic-nerve-activity-to-contracting-muscle-during-static-exercise-in-humans
#16
Daniel Boulton, Chloe E Taylor, Simon Green, Vaughan G Macefield
Both central command and metaboreflex inputs from contracting muscles increase muscle sympathetic nerve activity (MSNA) to non-contracting muscle during sustained isometric exercise. We recently showed that MSNA to contracting muscle also increases in an intensity-dependent manner, but whether this can be sustained by the metaboreflex is unknown. MSNA was recorded from the left common peroneal nerve and spikes of MSNA extracted. Eleven subjects performed a series of four-minute dorsiflexions of the left ankle at 10% of maximum voluntary contraction under three conditions: without ischaemia, with 6 min of post-exercise ischaemia and with ischaemia during and after exercise; these were repeated in the right leg...
January 8, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29302949/simultaneous-transcatheter-intervention-for-coarctation-of-the-aorta-and-bicuspid-aortic-valve
#17
Yukiko Mizutani, Norio Tada, Takahiko Masuda, Masaki Hata
Coarctation of the aorta (CoA) is a relatively common congenital heart anomaly, and bicuspid aortic valve (BAV) is a common congenital heart disease that coexists with CoA. In larger children and adults with CoA, transcatheter intervention has gained acceptance, but for surgical high-risk patients with aortic stenosis, the use of transcatheter aortic valve implantation (TAVI) has been established. Recently, although favorable data have been reported for TAVI when treating BAV, simultaneous transcatheter intervention for CoA and BAV will prove to be a challenge because of the unique anatomy involved requires multiple procedural steps and also has problems of site access...
July 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29300829/pga-post-gwas-analysis-for-disease-gene-identification
#18
Jhih-Rong Lin, Daniel Jaroslawicz, Ying Cai, Quanwei Zhang, Zhen Wang, Zhengdong D Zhang
Summary: While the genome-wide association study (GWAS) is a powerful method to identify disease-associated variants, it does not directly address the biological mechanisms underlying such genetic association signals. Here, we present PGA, a Perl- and Java-based program for post-GWAS analysis that predicts likely disease genes given a list of GWAS-reported variants. Designed with a command line interface, PGA incorporates genomic and eQTL data in identifying disease gene candidates and uses gene network and ontology data to score them based upon the strength of their relationship to the disease in question...
December 29, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29300003/effects-of-inhalation-anesthesia-vs-total-intravenous-anesthesia-tiva-vs-spinal-epidural-anesthesia-on-deep-vein-thrombosis-after-total-knee-arthroplasty
#19
Lu-Yang Zhou, Wei Gu, Yun Liu, Zheng-Liang Ma
BACKGROUND The objective of the present study was to evaluate the varying efficacy of general anesthesia (GA), combined spinal-epidural anesthesia (CSEA), and total intravenous anesthesia (TIVA) on the occurrence of deep vein thrombosis (DVT) following total knee arthroplasty (TKA). MATERIAL AND METHODS From July 2013 to May 2015, a total of 197 cases of patients who had undergone TKA treatment at either the Drum Tower Hospital or Nanjing General Hospital of Nanjing Military Command were recruited to participate in the study...
January 4, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29298691/volition-adaptive-control-for-gait-training-using-wearable-exoskeleton-preliminary-tests-with-incomplete-spinal-cord-injury-individuals
#20
Vijaykumar Rajasekaran, Eduardo López-Larraz, Fernando Trincado-Alonso, Joan Aranda, Luis Montesano, Antonio J Del-Ama, Jose L Pons
BACKGROUND: Gait training for individuals with neurological disorders is challenging in providing the suitable assistance and more adaptive behaviour towards user needs. The user specific adaptation can be defined based on the user interaction with the orthosis and by monitoring the user intentions. In this paper, an adaptive control model, commanded by the user intention, is evaluated using a lower limb exoskeleton with incomplete spinal cord injury individuals (SCI). METHODS: A user intention based adaptive control model has been developed and evaluated with 4 incomplete SCI individuals across 3 sessions of training per individual...
January 3, 2018: Journal of Neuroengineering and Rehabilitation
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