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Regional interdependence

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https://www.readbyqxmd.com/read/28186186/p113-is-a-merozoite-surface-protein-that-binds-the-n-terminus-of-plasmodium-falciparum-rh5
#1
Francis Galaway, Laura G Drought, Maria Fala, Nadia Cross, Alison C Kemp, Julian C Rayner, Gavin J Wright
Invasion of erythrocytes by Plasmodium falciparum merozoites is necessary for malaria pathogenesis and is therefore a primary target for vaccine development. RH5 is a leading subunit vaccine candidate because anti-RH5 antibodies inhibit parasite growth and the interaction with its erythrocyte receptor basigin is essential for invasion. RH5 is secreted, complexes with other parasite proteins including CyRPA and RIPR, and contains a conserved N-terminal region (RH5Nt) of unknown function that is cleaved from the native protein...
February 10, 2017: Nature Communications
https://www.readbyqxmd.com/read/28140338/a-monte-carlo-study-of-i-125-prostate-brachytherapy-with-gold-nanoparticles-dose-enhancement-with-simultaneous-rectal-dose-sparing-via-radiation-shielding
#2
D Brivio, P L Nguyen, E Sajo, W Ngwa, P Zygmanski
We investigate via Monte Carlo simulations a new (125)I brachytherapy treatment technique for high-risk prostate cancer patients via injection of Au nanoparticle (AuNP) directly into the prostate. The purpose of using the nanoparticles is to increase the therapeutic index via two synergistic effects: enhanced energy deposition within the prostate and simultaneous shielding of organs at risk from radiation escaping from the prostate. Both uniform and non-uniform concentrations of AuNP are studied. The latter are modeled considering the possibility of AuNP diffusion after the injection using brachy needles...
March 7, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28129006/acceptance-of-primary-practitioner-physiotherapists-in-an-emergency-department-a-qualitative-study-of-interprofessional-collaboration-within-workforce-reform
#3
Julia Coyle, Stephen D Gill
Primary contact practitioner physiotherapists (PPs) are increasingly common in emergency departments (EDs) and provide targeted care to people with uncomplicated musculoskeletal conditions such as sprains, strains, and simple fractures. Workforce redesign can be challenging and success is influenced by staff attitude and opinion. The current study aimed to explore the experiences and perceptions of ED team members about a recently introduced PP service on existing staff and services in a large regional ED. Forty-two staff from eight professional groups participated in semi-structured interviews or focus groups which were audio recorded and field notes were taken...
January 27, 2017: Journal of Interprofessional Care
https://www.readbyqxmd.com/read/28112460/from-hippocampus-to-whole-brain-the-role-of-integrative-processing-in-episodic-memory-retrieval
#4
Benjamin R Geib, Matthew L Stanley, Nancy A Dennis, Marty G Woldorff, Roberto Cabeza
Multivariate functional connectivity analyses of neuroimaging data have revealed the importance of complex, distributed interactions between disparate yet interdependent brain regions. Recent work has shown that topological properties of functional brain networks are associated with individual and group differences in cognitive performance, including in episodic memory. After constructing functional whole-brain networks derived from an event-related fMRI study of memory retrieval, we examined differences in functional brain network architecture between forgotten and remembered words...
January 23, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28072853/terrestrial-macrofungal-diversity-from-the-tropical-dry-evergreen-biome-of-southern-india-and-its-potential-role-in-aerobiology
#5
Hema Priyamvada, M Akila, Raj Kamal Singh, R Ravikrishna, R S Verma, Ligy Philip, R R Marathe, L K Sahu, K P Sudheer, S S Gunthe
Macrofungi have long been investigated for various scientific purposes including their food and medicinal characteristics. Their role in aerobiology as a fraction of the primary biological aerosol particles (PBAPs), however, has been poorly studied. In this study, we present a source of macrofungi with two different but interdependent objectives: (i) to characterize the macrofungi from a tropical dry evergreen biome in southern India using advanced molecular techniques to enrich the database from this region, and (ii) to assess whether identified species of macrofungi are a potential source of atmospheric PBAPs...
2017: PloS One
https://www.readbyqxmd.com/read/28032659/dependency-of-crop-production-between-global-breadbaskets-a-copula-approach-for-the-assessment-of-global-and-regional-risk-pools
#6
Franziska Gaupp, Georg Pflug, Stefan Hochrainer-Stigler, Jim Hall, Simon Dadson
As recent events have shown, simultaneous crop losses in different parts of the world can cause serious risks to global food security. However, to date, little is known about the spatial dependency of lower than expected crop yields from global breadbaskets. This especially applies in the case of extreme events, i.e., where one or more breadbaskets are experiencing far below average yields. Without such information, risk management approaches cannot be applied and vulnerability to extremes may remain high or even increase in the future around the world...
December 29, 2016: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28007998/pathological-glutamatergic-neurotransmission-in-gilles-de-la-tourette-syndrome
#7
Ahmad Seif Kanaan, Sarah Gerasch, Isabel García-García, Leonie Lampe, André Pampel, Alfred Anwander, Jamie Near, Harald E Möller, Kirsten Müller-Vahl
Gilles de la Tourette syndrome is a hereditary, neuropsychiatric movement disorder with reported abnormalities in the neurotransmission of dopamine and γ-aminobutyric acid (GABA). Spatially focalized alterations in excitatory, inhibitory and modulatory neurochemical ratios within specific functional subdivisions of the basal ganglia, may lead to the expression of diverse motor and non-motor features as manifested in Gilles de la Tourette syndrome. Current treatment strategies are often unsatisfactory thus provoking the need for further elucidation of the underlying pathophysiology...
January 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28003960/development-of-cortical-thickness-and-surface-area-in-autism-spectrum-disorder
#8
Vincent T Mensen, Lara M Wierenga, Sarai van Dijk, Yvonne Rijks, Bob Oranje, René C W Mandl, Sarah Durston
Autism spectrum disorder (ASD) is a neurodevelopmental disorder often associated with changes in cortical volume. The constituents of cortical volume - cortical thickness and surface area - have separable developmental trajectories and are related to different neurobiological processes. However, little is known about the developmental trajectories of cortical thickness and surface area in ASD. In this magnetic resonance imaging (MRI) study, we used an accelerated longitudinal design to investigate the cortical development in 90 individuals with ASD and 90 typically developing controls, aged 9 to 20 years...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27881774/interactions-between-snap-25-and-synaptotagmin-1-are-involved-in-vesicle-priming-clamping-spontaneous-and-stimulating-evoked-neurotransmission
#9
Melanie Schupp, Jörg Malsam, Marvin Ruiter, Andrea Scheutzow, Keimpe D B Wierda, Thomas H Söllner, Jakob B Sørensen
: Whether interactions between synaptotagmin-1 (syt-1) and the soluble NSF attachment protein receptors (SNAREs) are required during neurotransmission is debated. We examined five SNAP-25 mutations designed to interfere with syt-1 interactions. One mutation, D51/E52/E55A, targeted negative charges within region II of the primary interface (Zhou et al., 2015); two mutations targeted region I (D166A and D166/E170A) and one mutation targeted both (D51/E52/E55/D166A). The final mutation (D186/D193A) targeted C-terminal residues not expected to interact with syt-1...
November 23, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27880018/drought-related-secondary-metabolites-of-barley-hordeum-vulgare-l-leaves-and-their-mqtls
#10
Anna Piasecka, Aneta Sawikowska, Anetta Kuczyńska, Piotr Ogrodowicz, Krzysztof Mikołajczak, Karolina Krystkowiak, Kornelia Gudyś, Justyna Guzy-Wróbelska, Paweł Krajewski, Piotr Kachlicki
Determination of the role of plant secondary metabolites in stress conditions is problematic due to diversity of their structures and complexity of interdependence with different biological pathways. Correlation of the metabolomic data with the genetic background provides essential information on the features of metabolites. LC-MS analysis of leaf metabolites from 100 barley recombinant inbred lines (RILs) revealed that 98 traits among 135 detected phenolic and terpenoid compounds significantly changed the level as a result of drought stress...
November 23, 2016: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/27807831/quantitative-clinical-imaging-methods-for-monitoring-intratumoral-evolution
#11
Joo Yeun Kim, Robert A Gatenby
Solid tumors are multiscale, open, complex, dynamic systems: complex because they have many interacting components, dynamic because both the components and their interactions can change with time, and open because the tumor freely communicates with surrounding and even distant host tissue. Thus, it is not surprising that striking intratumoral variations are commonly observed in clinical imaging such as MRI and CT and that several recent studies found striking regional variations in the molecular properties of cancer cells from the same tumor...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27807131/asymmetrically-localized-proteins-stabilize-basal-bodies-against-ciliary-beating-forces
#12
Brian A Bayless, Domenico F Galati, Anthony D Junker, Chelsea B Backer, Jacek Gaertig, Chad G Pearson
Basal bodies are radially symmetric, microtubule-rich structures that nucleate and anchor motile cilia. Ciliary beating produces asymmetric mechanical forces that are resisted by basal bodies. To resist these forces, distinct regions within the basal body ultrastructure and the microtubules themselves must be stable. However, the molecular components that stabilize basal bodies remain poorly defined. Here, we determine that Fop1 functionally interacts with the established basal body stability components Bld10 and Poc1...
November 21, 2016: Journal of Cell Biology
https://www.readbyqxmd.com/read/27790792/als-associated-endoplasmic-reticulum-proteins-in-denervated-skeletal-muscle-implications-for-motor-neuron-disease-pathology
#13
C M Jesse, E Bushuven, P Tripathi, A Chandrasekar, C M Simon, C Drepper, A Yamoah, A Dreser, I Katona, S Johann, C Beyer, S Wagner, M Grond, S Nikolin, J Anink, D Troost, M Sendtner, A Goswami, J Weis
Alpha-motoneurons and muscle fibers are structurally and functionally interdependent. Both cell types particularly rely on endoplasmic reticulum (ER/SR) functions. Mutations of the ER proteins VAPB, SigR1 and HSP27 lead to hereditary motor neuron diseases (MNDs). Here, we determined the expression profile and localization of these ER proteins/chaperons by immunohistochemistry and immunoblotting in biopsy and autopsy muscle tissue of patients with amyotrophic lateral sclerosis (ALS) and other neurogenic muscular atrophies (NMAs) and compared these patterns to mouse models of neurogenic muscular atrophy...
October 28, 2016: Brain Pathology
https://www.readbyqxmd.com/read/27783854/neurocardiology-structure-based-function
#14
Jeffrey L Ardell, John Andrew Armour
Cardiac control is mediated via a series of reflex control networks involving somata in the (i) intrinsic cardiac ganglia (heart), (ii) intrathoracic extracardiac ganglia (stellate, middle cervical), (iii) superior cervical ganglia, (iv) spinal cord, (v) brainstem, and (vi) higher centers. Each of these processing centers contains afferent, efferent, and local circuit neurons, which interact locally and in an interdependent fashion with the other levels to coordinate regional cardiac electrical and mechanical indices on a beat-to-beat basis...
September 15, 2016: Comprehensive Physiology
https://www.readbyqxmd.com/read/27781010/the-paradox-of-happiness-health-and-human-rights-in-the-kingdom-of-bhutan
#15
Benjamin Mason Meier, Averi Chakrabarti
The Kingdom of Bhutan is seeking to progressively realize the human right to health without addressing the cross-cutting human rights principles essential to a rights-based approach to health. Through a landscape analysis of the Bhutanese health system, documentary review of Bhutanese reporting to the United Nations human rights system, and semi-structured interviews with health policymakers in Bhutan, this study examines the normative foundations of Bhutan's focus on "a more meaningful purpose for development than just mere material satisfaction...
June 2016: Health and Human Rights
https://www.readbyqxmd.com/read/27777722/nuclear-mitochondrial-epistasis-a-gene-s-eye-view-of-genomic-conflict
#16
Michael J Wade, Devin M Drown
We use population genetic models to investigate the cooperative and conflicting synergistic fitness effects between genes from the nucleus and the mitochondrion. By varying fitness parameters, we examine the scope for conflict relative to cooperation among genomes and the utility of the "gene's eye view" analytical approach, which is based on the marginal average fitness of specific alleles. Because sexual conflict can maintain polymorphism of mitochondrial haplotypes, we can explore two types of evolutionary conflict (genomic and sexual) with one epistatic model...
September 2016: Ecology and Evolution
https://www.readbyqxmd.com/read/27725003/consanguinity-by-random-isonymy-and-socioeconomic-development-in-argentina-a-population-study
#17
José Edgardo Dipierri, Alvaro Rodríguez-Larralde, Italo Barrai, Esperanza Gutiérrez Redomero, Concepción Alonso-Rodríguez, Emma Laura Alfaro
In human populations various flexible, labile and interdependent structures (genetic, demographic, socioeconomic) co-exist, each of which can be organized in an hierarchical order corresponding to administrative entities. The relationship between consanguinity, as estimated by random isonymy (F ST), and socioeconomic conditions was analysed at different levels of political and administrative organization in Argentina. From the surnames of 22,666,139 voters from the 2001 electoral roll, F ST was estimated for 510 Argentinian departments...
October 11, 2016: Journal of Biosocial Science
https://www.readbyqxmd.com/read/27714786/transfer-frequency-as-a-measure-of-hospital-capability-and-regionalization
#18
Urbano L França, Michael L McManus
OBJECTIVE: To provide metrics for quantifying the capability of hospitals and the degree of care regionalization. DATA SOURCE: Administrative database covering more than 10 million hospital encounters during a 3-year period (2012-2014) in Massachusetts. PRINCIPAL FINDINGS: We calculated the condition-specific probabilities of transfer for all acute care hospitals in Massachusetts and devised two new metrics, the Hospital Capability Index (HCI) and the Regionalization Index (RI), for analyzing hospital systems...
October 7, 2016: Health Services Research
https://www.readbyqxmd.com/read/27695385/the-functional-overlap-of-executive-control-and-language-processing-in-bilinguals
#19
Emily L Coderre, Jason F Smith, Walter J B van Heuven, Barry Horwitz
The need to control multiple languages is thought to require domain-general executive control (EC) in bilinguals such that the EC and language systems become interdependent. However, there has been no systematic investigation into how and where EC and language processes overlap in the bilingual brain. If the concurrent recruitment of EC during bilingual language processing is domain-general and extends to non-linguistic EC, we hypothesize that regions commonly involvement in language processing, linguistic EC, and non-linguistic EC may be selectively altered in bilinguals compared to monolinguals...
May 2016: Bilingualism: Language and Cognition
https://www.readbyqxmd.com/read/27678351/pathophysiology-of-colorectal-peritoneal-carcinomatosis-role-of-the-peritoneum
#20
REVIEW
Lieselotte Lemoine, Paul Sugarbaker, Kurt Van der Speeten
Colorectal cancer (CRC) is the third most common cancer and the fourth most common cause of cancer-related death worldwide. Besides the lymphatic and haematogenous routes of dissemination, CRC frequently gives rise to transcoelomic spread of tumor cells in the peritoneal cavity, which ultimately leads to peritoneal carcinomatosis (PC). PC is associated with a poor prognosis and bad quality of life for these patients in their terminal stages of disease. A loco-regional treatment modality for PC combining cytoreductive surgery and hyperthermic intraperitoneal peroperative chemotherapy has resulted in promising clinical results...
September 14, 2016: World Journal of Gastroenterology: WJG
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