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https://www.readbyqxmd.com/read/28342886/using-genetic-data-to-improve-species-distribution-models
#1
Jérémy Bouyer, Renaud Lancelota
Tsetse flies (Diptera, Glossinidae) transmit human and animal trypanosomoses in Africa, respectively a neglected human disease (sleeping sickness) and the most important constraint to cattle production in infested countries (nagana). We recently developed a methodology to map landscape friction (i.e. resistance to movement) for tsetse in West Africa. The goal was to identify natural barriers to tsetse dispersal, and potentially isolated tsetse populations for targeting elimination programmes. Most species distribution models neglect landscape functional connectivity whereas environmental factors affecting suitability or abundance are not necessarily the same as those influencing gene flows...
March 22, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28339790/does-systemic-administration-of-casein-phosphopeptides-affect-orthodontic-movement-and-root-resorption-in-rats
#2
Lachlan Crowther, Gang Shen, Mohammed Almuzian, Allan Jones, William Walsh, Rema Oliver, Peter Petocz, Nour E Tarraf, M Ali Darendeliler
Objectives: To assess the potential effects of casein phosphopeptides (CPPs) on orthodontically induced iatrogenic root resorption (OIIRR) and orthodontic teeth movement. Materials and methods: Forty Wistar rats (aged 11 weeks) were randomly divided into experimental group (EG; n = 20) that received a diet supplemented with CPP and control group (CG; n = 20) devoid of diet supplement. A 150 g force was applied using nickel titanium (NiTi) coil that was bonded on maxillary incisors and extended unilaterally to a maxillary first molar...
January 25, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28339686/movement-patterns-in-women-at-risk-for-perinatal-depression-use-of-a-mood-monitoring-mobile-application-in-pregnancy
#3
Laura J Faherty, Liisa Hantsoo, Dina Appleby, Mary D Sammel, Ian M Bennett, Douglas J Wiebe
Objectives: To examine, using a smartphone application, whether mood is related to daily movement patterns in pregnant women at risk for perinatal depression. Materials and Methods: Thirty-six women with elevated depression symptoms (PHQ-9 ≥ 5) in pregnancy used the application for 8 weeks. Mood was reported using application-administered surveys daily (2 questions) and weekly (PHQ-9 and GAD-7). The application measured daily mobility (distance travelled on foot) and travel radius...
February 19, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28339558/impact-of-sedation-vs-general-anaesthesia-on-percutaneous-epicardial-access-safety-and-procedural-outcomes
#4
Ammar M Killu, Alan Sugrue, Thomas M Munger, David O Hodge, Siva K Mulpuru, Christopher J McLeod, Douglas L Packer, Samuel J Asirvatham, Paul A Friedman
Aims: Patient movement while under moderate/deep sedation may complicate percutaneous epicardial access (EpiAcc), mapping and ablation. We sought to compare procedural outcomes in patients undergoing EpiAcc under sedation vs. general anaesthesia (GA) for ablation. Methods and results: Patients undergoing EpiAcc between January 2004 and July 2014 were included. Safety, procedural, and clinical outcomes were compared between patients undergoing EpiAcc under sedation or GA for ventricular tachycardia or premature ventricular complex ablation...
November 15, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28336305/from-point-process-observations-to-collective-neural-dynamics-nonlinear-hawkes-process-glms-low-dimensional-dynamics-and-coarse-graining
#5
Wilson Truccolo
This review presents a perspective on capturing collective dynamics in recorded neuronal ensembles based on multivariate point process models, inference of low-dimensional dynamics and coarse graining of spatiotemporal measurements. A general probabilistic framework for continuous time point processes is reviewed, with an emphasis on multivariate nonlinear Hawkes processes with exogenous inputs. A point process generalized linear model (PP-GLM) framework for the estimation of discrete time multivariate nonlinear Hawkes processes is described...
March 20, 2017: Journal of Physiology, Paris
https://www.readbyqxmd.com/read/28334879/altered-sleep-homeostasis-correlates-with-cognitive-impairment-in-patients-with-focal-epilepsy
#6
Melanie Boly, Benjamin Jones, Graham Findlay, Erin Plumley, Armand Mensen, Bruce Hermann, Guilio Tononi, Rama Maganti
In animal studies, both seizures and interictal spikes induce synaptic potentiation. Recent evidence suggests that electroencephalogram slow wave activity during sleep reflects synaptic potentiation during wake, and that its homeostatic decrease during the night is associated with synaptic renormalization and its beneficial effects. Here we asked whether epileptic activity induces plastic changes that can be revealed by high-density electroencephalography recordings during sleep in 15 patients with focal epilepsy and 15 control subjects...
March 14, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28334699/robust-cell-tracking-in-epithelial-tissues-through-identification-of-maximum-common-subgraphs
#7
Jochen Kursawe, Rémi Bardenet, Jeremiah J Zartman, Ruth E Baker, Alexander G Fletcher
Tracking of cells in live-imaging microscopy videos of epithelial sheets is a powerful tool for investigating fundamental processes in embryonic development. Characterizing cell growth, proliferation, intercalation and apoptosis in epithelia helps us to understand how morphogenetic processes such as tissue invagination and extension are locally regulated and controlled. Accurate cell tracking requires correctly resolving cells entering or leaving the field of view between frames, cell neighbour exchanges, cell removals and cell divisions...
November 2016: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28334339/insecticidal-effects-on-the-spatial-progression-of-tomato-yellow-leaf-curl-virus-and-movement-of-its-whitefly-vector-in-tomato
#8
M Dempsey, D G Riley, R Srinivasan
Commercial management of whitefly-transmitted Tomato yellow leaf curl virus (TYLCV) typically relies on insecticide control of whitefly vectors as a first line of defense. We quantified this effect in crop tunnel studies, with validation in a tomato field setting. Tomato yellow leaf curl virus-infected and Bemisia tabaci (Gennadius)-infested source plants were planted at the beginning of tunneled rows to serve as inoculum source, so that movement of whiteflies and TYLCV symptoms could be tracked down the length of the tunnel over time...
March 8, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28333641/droplet-size-aware-high-level-synthesis-for-micro-electrode-dot-array-digital-microfluidic-biochips
#9
Zipeng Li, Kelvin Yi-Tse Lai, Po-Hsien Yu, Krishnendu Chakrabarty, Tsung-Yi Ho, Chen-Yi Lee
A digital microfluidic biochip (DMFB) is an attractive technology platform for automating laboratory procedures in biochemistry. In recent years, DMFBs based on a microelectrode-dot-array (MEDA) architecture have been demonstrated. However, due to the inherent differences between today's DMFBs and MEDA, existing synthesis solutions for biochemistry mapping cannot be utilized for MEDA biochips. We present the first synthesis approach that can be used for MEDA biochips. We first present a general analytical model for droplet velocity and validate it experimentally using a fabricated MEDA biochip...
March 21, 2017: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28333406/survey-of-neurodevelopmental-allied-health-teams-in-australian-and-new-zealand-neonatal-nurseries-staff-profile-and-standardised-neurobehavioural-neurological-assessment
#10
Leesa G Allinson, Lex W Doyle, Linda Denehy, Alicia J Spittle
AIMS: The primary aim of this study was to establish how many neonatal nurseries in Australia and New Zealand had a neurodevelopmental allied health team, to ascertain the disciplines involved, their qualifications and experience. The secondary aim was to evaluate which standardised neurobehavioural/neurological assessments were currently being implemented, and the existing practice in relation to their use. METHODS: A descriptive cross-sectional survey, sampling 179 eligible public and private hospital neonatal intensive care units (NICUs) and special care nurseries (SCNs) throughout Australia and New Zealand, was purpose-developed and administered electronically from the 5th April to 23rd July 2013...
March 23, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28332767/bcap31-associated-encephalopathy-and-complex-movement-disorder-mimicking-mitochondrial-encephalopathy
#11
Saleh Albanyan, Amal Al Teneiji, Nasim Monfared, Saadet Mercimek-Mahmutoglu
BCAP31, encoded by BCAP31, is involved in the export of transmembrane proteins from the endoplasmic reticulum. Pathogenic variants in BCAP31 results in global developmental delay, dystonia, deafness and dysmorphic features in males, called deafness, dystonia, and cerebral hypomyelination (DDCH) syndrome. We report a new patient with BCAP3-associated encephalopathy, DDCH syndrome, sensorineural hearing loss, generalized dystonia, and choreoathetosis. This 3.5-year-old boy had microcephaly and failure to thrive within the first 3 months of life...
March 23, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28332031/how-do-energy-stores-and-changes-in-these-affect-departure-decisions-by-migratory-birds-a-critical-view-on-stopover-ecology-studies-and-some-future-perspectives
#12
REVIEW
Heiko Schmaljohann, Cas Eikenaar
In birds, accumulating energy is far slower than spending energy during flight. During migration, birds spend, therefore, most of the time at stopover refueling energy used during the previous flight. This elucidates why current energy stores and actual rate of accumulating energy are likely crucial factors influencing bird's decision when to resume migration in addition to other intrinsic (sex, age) and extrinsic (predation, weather) factors modulating the decision within the innate migration program. After first summarizing how energy stores and stopover durations are generally determined, we critically review that high-energy stores and low rates of accumulating energy were significantly related to high departure probabilities in several bird groups...
March 22, 2017: Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
https://www.readbyqxmd.com/read/28331618/movement-of-leopard-tortoises-in-response-to-environmental-and-climatic-variables-in-a-semi-arid-environment
#13
Martyn Drabik-Hamshare, Colleen T Downs
BACKGROUND: Tortoises (Testudinidae) occur in a wide range of environments, providing important ecosystem functions, such as seed dispersal and refuge in the form of burrows. Tortoise movement has previously been shown to be related to resource availability, reproductive status and local environmental conditions. However, understanding of the variables that drive their movement remains comparatively low. We investigated aspects of movement in leopard tortoises Stigmochelys pardalis-the largest and most abundant tortoise species in sub-Saharan Africa-in response to environmental, climatic and individual variables in the semi-arid Karoo, South Africa...
2017: Movement Ecology
https://www.readbyqxmd.com/read/28330922/joint-histology-in-alligator-mississippiensis-challenges-the-identification-of-synovial-joints-in-fossil-archosaurs-and-inferences-of-cranial-kinesis
#14
Alida M Bailleul, Casey M Holliday
Archosaurs, like all vertebrates, have different types of joints that allow or restrict cranial kinesis, such as synovial joints and fibrous joints. In general, synovial joints are more kinetic than fibrous joints, because the former possess a fluid-filled cavity and articular cartilage that facilitate movement. Even though there is a considerable lack of data on the microstructure and the structure-function relationships in the joints of extant archosaurs, many functional inferences of cranial kinesis in fossil archosaurs have hinged on the assumption that elongated condylar joints are (i) synovial and/or (ii) kinetic...
March 29, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28329799/a-theory-of-relational-ageism-a-discourse-analysis-of-the-2015-white-house-conference-on-aging
#15
Tracey L Gendron, Jennifer Inker, Elizabeth Ayn Welleford
Purpose: The widespread use of ageist language is generally accepted as commonplace and routine in most cultures and settings. In order to disrupt ageism, we must examine the use of ageist language and sentiments among those on the front line of providing advocacy, services, and policy for older adults; the professional culture of the aging services network. The recorded video segments from the sixth White House Conference on Aging (WHCOA) provided a unique opportunity to examine discourse used by professionals and appointed representatives in the field of aging within a professional sociocultural context...
January 24, 2017: Gerontologist
https://www.readbyqxmd.com/read/28325153/ultra-micronized-palmitoylethanolamide-an-efficacious-adjuvant-therapy-for-parkinson-s-disease
#16
Stefania Brotini, Carlo Schievano, Leonello Guidi
BACKGROUND: Parkinson's disease (PD) is the subject of intense efforts to develop strategies that slow down or stop disease progression and disability. Substantial evidence points to a prominent role for neuroinflammation in the underlying dopaminergic cell death. Ultramicronized palmitoylethanolamide (um-PEA) is well-known for its ability to promote the resolution of neuroinflammation and exert neuroprotection. This study was designed to assess the efficacy of um-PEA as adjuvant therapy in patients with advanced PD...
March 21, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28325016/sleep-stage-classification-by-non-contact-vital-signs-indices-using-doppler-radar-sensors
#17
Masayuki Kagawa, Kazuki Suzumura, Takemi Matsui
Disturbed sleep has become more common in recent years. To improve the quality of sleep, undergoing sleep observation has gained interest as a means to resolve possible problems. In this paper, we evaluate a non-restrictive and non-contact method for classifying real-time sleep stages and report on its potential applications. The proposed system measures heart rate (HR), heart rate variability (HRV), body movements, and respiratory signals of a sleeping person using two 24-GHz microwave radars placed beneath the mattress...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28323009/investigation-of-the-effects-of-transcranial-alternating-current-stimulation-tacs-on-self-paced-rhythmic-movements
#18
Manuel Varlet, Alanna Wade, Giacomo Novembre, Peter E Keller
Human rhythmic movements spontaneously entrain to external rhythmic stimuli. Such sensory-motor entrainment can attract movements to different tempi and enhance their efficiency, with potential clinical applications for motor rehabilitation. Here we investigate whether entrainment of self-paced rhythmic movements can be induced via transcranial alternating current stimulation (tACS), which uses alternating currents to entrain spontaneous brain oscillations at specific frequencies. Participants swung a handheld pendulum at their preferred tempo with the right hand while tACS was applied over their left or right primary motor cortex at frequencies equal to their preferred tempo (Experiment 1) or in the alpha (10Hz) and beta (20Hz) ranges (Experiment 2)...
March 18, 2017: Neuroscience
https://www.readbyqxmd.com/read/28321196/connected-speech-in-neurodegenerative-language-disorders-a-review
#19
REVIEW
Veronica Boschi, Eleonora Catricalà, Monica Consonni, Cristiano Chesi, Andrea Moro, Stefano F Cappa
Language assessment has a crucial role in the clinical diagnosis of several neurodegenerative diseases. The analysis of extended speech production is a precious source of information encompassing the phonetic, phonological, lexico-semantic, morpho-syntactic, and pragmatic levels of language organization. The knowledge about the distinctive linguistic variables identifying language deficits associated to different neurodegenerative diseases has progressively improved in the last years. However, the heterogeneity of such variables and of the way they are measured and classified limits any generalization and makes the comparison among studies difficult...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28320970/borc-kinesin-1-ensemble-drives-polarized-transport-of-lysosomes-into-the-axon
#20
Ginny G Farías, Carlos M Guardia, Raffaella De Pace, Dylan J Britt, Juan S Bonifacino
The ability of lysosomes to move within the cytoplasm is important for many cellular functions. This ability is particularly critical in neurons, which comprise vast, highly differentiated domains such as the axon and dendrites. The mechanisms that control lysosome movement in these domains, however, remain poorly understood. Here we show that an ensemble of BORC, Arl8, SKIP, and kinesin-1, previously shown to mediate centrifugal transport of lysosomes in nonneuronal cells, specifically drives lysosome transport into the axon, and not the dendrites, in cultured rat hippocampal neurons...
March 20, 2017: Proceedings of the National Academy of Sciences of the United States of America
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