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Regional interdependence

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https://www.readbyqxmd.com/read/28337662/a83-01-inhibits-tgf-%C3%AE-induced-upregulation-of-wnt3-and-epithelial-to-mesenchymal-transition-in-her2-overexpressing-breast-cancer-cells
#1
Yanyuan Wu, Trinh Tran, Sami Dwabe, Marianna Sarkissyan, Juri Kim, Miguel Nava, Sheilah Clayton, Richard Pietras, Robin Farias-Eisner, Jaydutt V Vadgama
PURPOSE: The aim of this study is to investigate the mechanisms of interactions between TGF-β and Wnt/β-catenin pathways that induce and regulate EMT and promote breast cancer cells to become resistant to treatment. METHODS: The effect of TGF-β on Wnt/β-catenin signaling pathway was examined by using a human Wnt/β-catenin-regulated cDNA plate array and western blot analysis. The interaction of Twist at promoter of Wnt3 was examined by chromatin immunoprecipitation (ChIP) assay...
March 23, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28334680/assessing-driving-forces-of-land-use-and-land-cover-change-by-a-mixed-method-approach-in-north-eastern-ghana-west-africa
#2
Janina Kleemann, Gülendam Baysal, Henry N N Bulley, Christine Fürst
Land use and land cover change (LULCC) is the result of complex human-environmental interactions. The high interdependencies in social-ecological systems make it difficult to identify the main drivers. However, knowledge of key drivers of LULCC, including indirect (underlying) drivers which cannot be easily determined by spatial or economic analyses, is essential for land use planning and especially important in developing countries. We used a mixed-method approach in order to detect drivers of LULCC in the Upper East Region of northern Ghana by different qualitative and quantitative methods which were compared in a confidence level analysis...
March 20, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28334351/effects-of-antenatal-maternal-depressive-symptoms-and-socio-economic-status-on-neonatal-brain-development-are-modulated-by-genetic-risk
#3
Anqi Qiu, Mojun Shen, Claudia Buss, Yap-Seng Chong, Kenneth Kwek, Seang-Mei Saw, Peter D Gluckman, Pathik D Wadhwa, Sonja Entringer, Martin Styner, Neerja Karnani, Christine M Heim, Kieran J O'Donnell, Joanna D Holbrook, Marielle V Fortier, Michael J Meaney
This study included 168 and 85 mother-infant dyads from Asian and United States of America cohorts to examine whether a genomic profile risk score for major depressive disorder (GPRSMDD) moderates the association between antenatal maternal depressive symptoms (or socio-economic status, SES) and fetal neurodevelopment, and to identify candidate biological processes underlying such association. Both cohorts showed a significant interaction between antenatal maternal depressive symptoms and infant GPRSMDD on the right amygdala volume...
March 18, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28273267/-the-complexity-of-articulating-rights-nutrition-and-care
#4
Laura Cecilia Pautassi
This article analyzes the existing tensions between the recognition of human rights - especially the right to adequate food as it is defined in international agreements and treaties - and the insufficient connection made with care, understood as the set of activities necessary to satisfy the basic needs of existence and human and social reproduction. Applying a methodological approach based in rights and gender, the article analyzes, on one hand, the scope of the right to food and its impact at the level of public institutionality, and on the other, the recent recognition of care as a right at a regional level and its persistent invisibilization in public policies...
October 2016: Salud Colectiva
https://www.readbyqxmd.com/read/28267154/natural-hazard-management-from-a-coevolutionary-perspective-exposure-and-policy-response-in-the-european-alps
#5
Sven Fuchs, Veronika Röthlisberger, Thomas Thaler, Andreas Zischg, Margreth Keiler
A coevolutionary perspective is adopted to understand the dynamics of exposure to mountain hazards in the European Alps. A spatially explicit, object-based temporal assessment of elements at risk to mountain hazards (river floods, torrential floods, and debris flows) in Austria and Switzerland is presented for the period from 1919 to 2012. The assessment is based on two different data sets: (1) hazard information adhering to legally binding land use planning restrictions and (2) information on building types combined from different national-level spatial data...
March 4, 2017: Annals of the American Association of Geographers
https://www.readbyqxmd.com/read/28226302/towards-a-theoretical-model-on-medicines-as-a-health-need
#6
Claudia Marcela Vargas-Peláez, Luciano Soares, Marina Raijche Mattozo Rover, Carine Raquel Blatt, Aukje Mantel-Teeuwisse, Francisco Augusto Rossi Buenaventura, Luis Guillermo Restrepo, María Cristina Latorre, José Julián López, María Teresa Bürgin, Consuelo Silva, Silvana Nair Leite, Farias Mareni Rocha
Medicines are considered one of the main tools of western medicine to resolve health problems. Currently, medicines represent an important share of the countries' healthcare budget. In the Latin America region, access to essential medicines is still a challenge, although countries have established some measures in the last years in order to guarantee equitable access to medicines. A theoretical model is proposed for analysing the social, political, and economic factors that modulate the role of medicines as a health need and their influence on the accessibility and access to medicines...
February 15, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28221134/human-nup98-regulates-the-localization-and-activity-of-dexh-d-box-helicase-dhx9
#7
Juliana S Capitanio, Ben Montpetit, Richard W Wozniak
Beyond their role at nuclear pore complexes, some nucleoporins function in the nucleoplasm. One such nucleoporin, Nup98, binds chromatin and regulates gene expression. To gain insight into how Nup98 contributes to this process, we focused on identifying novel binding partners and understanding the significance of these interactions. Here we report on the identification of the DExH/D-box helicase DHX9 as an intranuclear Nup98 binding partner. Various results, including in vitro assays, show that the FG/GLFG region of Nup98 binds to N- and C-terminal regions of DHX9 in an RNA facilitated manner...
February 21, 2017: ELife
https://www.readbyqxmd.com/read/28186186/p113-is-a-merozoite-surface-protein-that-binds-the-n-terminus-of-plasmodium-falciparum-rh5
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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-metabolomic-quantitative-trait-loci
#17
Anna Piasecka, Aneta Sawikowska, Anetta Kuczyńska, Piotr Ogrodowicz, Krzysztof Mikołajczak, Karolina Krystkowiak, Kornelia Gudyś, Justyna Guzy-Wróbelska, Paweł Krajewski, Piotr Kachlicki
Determining the role of plant secondary metabolites in stress conditions is problematic due to the diversity of their structures and the complexity of their interdependence with different biological pathways. Correlation of metabolomic data with the genetic background provides essential information about 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 their level as a result of drought stress...
March 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/27807831/quantitative-clinical-imaging-methods-for-monitoring-intratumoral-evolution
#18
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
#19
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
#20
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
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