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https://www.readbyqxmd.com/read/28875164/increasing-drought-in-jordan-climate-change-and-cascading-syrian-land-use-impacts-on-reducing-transboundary-flow
#1
Deepthi Rajsekhar, Steven M Gorelick
In countries where severe drought is an anticipated effect of climate change and in those that heavily depend on upstream nations for fresh water, the effect of drier conditions and consequent changes in the transboundary streamflow regime induced by anthropogenic interventions and disasters leads to uncertainty in regional water security. As a case in point, we analyze Jordan's surface water resources and agricultural water demand through 2100, considering the combined impacts of climate change and land-use change driven by the Syrian conflict...
August 2017: Science Advances
https://www.readbyqxmd.com/read/28812828/how-the-spectre-of-societal-homogeneity-undermines-equitable-healthcare-for-refugees-comment-on-defining-and-acting-on-global-health-the-case-of-japan-and-the-refugee-crisis
#2
Oliver Razum, Judith Wenner, Kayvan Bozorgmehr
Recourse to a purported ideal of societal homogeneity has become common in the context of the refugee reception crisis - not only in Japan, as Leppold et al report, but also throughout Europe. Calls for societal homogeneity in Europe originate from populist movements as well as from some governments. Often, they go along with reduced social support for refugees and asylum seekers, for example in healthcare provision. The fundamental right to health is then reduced to a citizens' right, granted fully only to nationals...
October 17, 2016: International Journal of Health Policy and Management
https://www.readbyqxmd.com/read/28790502/actin-up-in-the-nucleus-regulation-of-actin-structures-modulates-mesenchymal-stem-cell-differentiation
#3
Janet Rubin, Buer Sen
Stem cells respond to environmental signals that induce their differentiation to cells that make up specialized tissues and organs. Our laboratory has focused on bone marrow mesenchymal stem cells (MSCs) that supply bone osteoblasts and marrow adipocytes, an output that appears to be reciprocal. Case in point: exercise promotes osteogenesis and bone formation, and inhibits marrow adipose accrual. A mechanically induced signal pathway concentrating on preserving β-catenin also causes increased structure of the actin cytoskeleton, both of which inhibit adipogenesis...
2017: Transactions of the American Clinical and Climatological Association
https://www.readbyqxmd.com/read/28721724/addressing-the-environment-electrostatic-effect-on-ballistic-electron-transport-in-large-systems-a-qm-mm-negf-approach
#4
Gustavo T Feliciano, Carlos Sanz-Navarro, Mauricio Domingues Coutinho-Neto, Pablo Ordejón, Ralph H Scheicher, Alexandre Reily Rocha
The effects of the environment in nanoscopic materials can play a crucial role in device design. Particularly in biosensors, where the system is usually embedded in a solution, water and ions have to be taken into consideration in atomistic simulations of electronic transport for a realistic description of the system. In this work, we present a methodology that combines quantum mechanics/molecular mechanics methods (QM/MM) with the nonequilibrium Green's function framework to simulate the electronic transport properties of nanoscopic devices in the presence of solvents...
July 19, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28691835/agency-before-action-the-application-of-behavioral-activation-in-psychotherapy-with-persons-with-psychosis
#5
Ilanit Hasson-Ohayon, Nitzan Arnon-Ribenfeld, Jay A Hamm, Paul H Lysaker
Incorporating behavioral activation into psychotherapy with persons with psychosis requires adaptation in its conceptualization and application owing to special deficits in the self-experience. Persons with psychosis often experience a diminished or disorganized sense of self, and have deficits in coherently narrating the experience of the self and in the ability to make sense of how to take action and direct their own lives. Based on a metacognitive model of disability in psychosis, the current paper presents a therapy process of a woman coping with schizophrenia using Metacognitive Reflection and Insight Therapy (Lysaker and Dimaggio, 2014) in the framework of an intersubjective model for psychotherapy with persons with psychosis presented by Hasson-Ohayon, Kravetz, and Lysaker (2016a)...
September 2017: Psychotherapy
https://www.readbyqxmd.com/read/28618240/omics-for-precious-rare-biosamples-characterization-of-ancient-human-hair-by-a-proteomic-approach
#6
Margaux Fresnais, Pascale Richardin, Marcela Sepúlveda, Emmanuelle Leize-Wagner, Armelle Charrié-Duhaut
Omics technologies have far-reaching applications beyond clinical medicine. A case in point is the analysis of ancient hair samples. Indeed, hair is an important biological indicator that has become a material of choice in archeometry to study the ancient civilizations and their environment. Current characterization of ancient hair is based on elemental and structural analyses, but only few studies have focused on the molecular aspects of ancient hair proteins-keratins-and their conservation state. In such cases, applied extraction protocols require large amounts of raw hair, from 30 to 100 mg...
July 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28579427/infections-of-wolbachia-may-destabilize-mosquito-population-dynamics
#7
Arndt Telschow, Florian Grziwotz, Philip Crain, Takeshi Miki, James W Mains, George Sugihara, Stephen L Dobson, Chih-Hao Hsieh
Recent efforts in controlling mosquito-borne diseases focus on biocontrol strategies that incapacitate pathogens inside mosquitoes by altering the mosquito's microbiome. A case in point is the introduction of Wolbachia into natural mosquito populations in order to eliminate Dengue virus. However, whether this strategy can successfully control vector-borne diseases is debated; particularly, how artificial infection affects population dynamics of hosts remains unclear. Here, we show that natural Wolbachia infections are associated with unstable mosquito population dynamics by contrasting Wolbachia-infected versus uninfected cage populations of the Asian tiger mosquito (Aedes albopictus)...
June 1, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28553478/nature-s-hydrides-rapid-reduction-of-halocarbons-by-folate-model-compounds
#8
Michael K Denk, Nicholas S Milutinović, Katherine M Marczenko, Natalie M Sadowski, Athanasios Paschos
Halocarbons R-X are reduced to hydrocarbons R-H by folate model compounds under biomimetic conditions. The reactions correspond to a halide-hydride exchange with the methylenetetrahydrofolate (MTHF) models acting as hydride donors. The MTHF models are also functional equivalents of dehalohydrogenases but, unlike these enzymes, do not require a metal cofactor. The reactions suggest that halocarbons have the potential to act as endocrinological disruptors of biochemical pathways involving MTHF. As a case in point, we observe the rapid reaction of the MTHF models with the inhalation anaesthetic halothane...
March 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28542493/the-in-vivo-structure-of-biological-membranes-and-evidence-for-lipid-domains
#9
Jonathan D Nickels, Sneha Chatterjee, Christopher B Stanley, Shuo Qian, Xiaolin Cheng, Dean A A Myles, Robert F Standaert, James G Elkins, John Katsaras
Examining the fundamental structure and processes of living cells at the nanoscale poses a unique analytical challenge, as cells are dynamic, chemically diverse, and fragile. A case in point is the cell membrane, which is too small to be seen directly with optical microscopy and provides little observational contrast for other methods. As a consequence, nanoscale characterization of the membrane has been performed ex vivo or in the presence of exogenous labels used to enhance contrast and impart specificity...
May 2017: PLoS Biology
https://www.readbyqxmd.com/read/28538571/angiosome-based-allografts-vascularized-composite-allotransplantation-for-tailored-subunit-reconstruction-with-volkmann-ischemic-contracture-as-a-case-in-point
#10
G Ian Taylor, David S Sparks, Adam C Gascoigne, Russell J Corlett, Mark W Ashton
BACKGROUND: As we enter an age with new approaches to tissue reconstruction, the emphasis on the adage "like for like" has become even more relevant. This study illustrates the potential for several tailored vascularized composite allotransplantation reconstructive techniques and, in particular, for the management of Volkmann contracture. METHODS: Twenty fresh cadaver dissections and 30 archival lead oxide radiographic studies were examined to (1) identify potential upper limb vascularized composite allotransplantation donor sites (i...
June 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28512076/considering-the-public-in-public-health-popular-resistance-to-the-smallpox-eradication-programme-in-india
#11
Luke Juran, Jennifer Trivedi, Korine N Kolivras
Public health initiatives, including large-scale vaccination and disease eradication programmes, regularly pit the rights of the individual against broader benefits to society. At times, the public resists such initiatives, with the World Health Organisation's Smallpox Eradication Programme (SEP) in India being a case in point. Here, we critically investigate resistance to smallpox vaccines in India and argue that while the SEP successfully eradicated a global killer; individuals were stripped of human rights through coercion, forcible vaccination and quarantine...
April 2017: Indian Journal of Medical Ethics
https://www.readbyqxmd.com/read/28504522/the-construct-behavior-gap-in-behavioral-decision-research-a-challenge-beyond-replicability
#12
Michel Regenwetter, Maria M Robinson
Behavioral decision research compares theoretical constructs like preferences to behavior such as observed choices. Three fairly common links from constructs to behavior are (1) to tally, across participants and decision problems, the number of choices consistent with one predicted pattern of pairwise preferences; (2) to compare what most people choose in each decision problem against a predicted preference pattern; or (3) to enumerate the decision problems in which two experimental conditions generate a 1-sided significant difference in choice frequency 'consistent' with the theory...
May 15, 2017: Psychological Review
https://www.readbyqxmd.com/read/28500994/salt-tolerance-mechanisms-induced-in-stevia-rebaudiana-bertoni-effects-on-mineral-nutrition-antioxidative-metabolism-and-steviol-glycoside-content
#13
Daniel Cantabella, Abel Piqueras, José Ramón Acosta-Motos, Agustina Bernal-Vicente, José A Hernández, Pedro Díaz-Vivancos
In order to cope with challenges linked to climate change such as salinity, plants must develop a wide spectrum of physiological and molecular mechanisms to rapidly adapt. Stevia rebaudiana Bertoni plants are a case in point. According to our findings, salt stress has no significant effect on plant growth in these plants, which accumulate sodium (Na(+)) in their roots, thus avoiding excessive Na(+) accumulation in leaves. Furthermore, salt stress (NaCl stress) increases the potassium (K(+)), calcium (Ca(2+)), chloride ion (Cl(-)) and proline concentrations in Stevia leaves, which could contribute to osmotic adjustment...
June 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28495495/translating-in-vitro-ligand-bias-into-in-vivo-efficacy
#14
REVIEW
Louis M Luttrell, Stuart Maudsley, Diane Gesty-Palmer
It is increasingly apparent that ligand structure influences both the efficiency with which G protein-coupled receptors (GPCRs) engage their downstream effectors and the manner in which they are activated. Thus, 'biased' agonists, synthetic ligands whose intrinsic efficacy differs from the native ligand, afford a strategy for manipulating GPCR signaling in ways that promote beneficial signals while blocking potentially deleterious ones. Still, there are significant challenges in relating in vitro ligand efficacy, which is typically measured in heterologous expression systems, to the biological response in vivo, where the ligand is acting on natively expressed receptors and in the presence of the endogenous ligand...
May 7, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28446651/how-small-can-the-epileptogenic-region-be-a-case-in-point
#15
Graeme D Jackson, Mangor Pedersen, A Simon Harvey
OBJECTIVE: To present a case that demonstrates that seizures and interictal disturbances can be driven by a small area of functionally abnormal cortex. METHODS: Two novel functional MRI network analysis methods were used to supplement conventional seizure and lesion localization methods: (1) regional homogeneity to quantify local connectivity, or synchrony, with a resolution of less than 1 cm(3) of cortex; and (2) small-worldness to combine information about whole brain network segregation and integration...
May 23, 2017: Neurology
https://www.readbyqxmd.com/read/28441712/virus-based-devices-prospects-for-allopoiesis
#16
Bogdan Dragnea
The assembly line is a commonly invoked example of allopoiesis, the process whereby a system produces a different system than itself. In this sense, virus production in plants is an instance of bio-enabled bottom-up allopoiesis because the plant host can be regarded as a programmable assembly line for the virus. Reprogramming this assembly line and integrating it into a larger lineup of chemical manipulations has seen a flurry of activity recently, with more sophisticated systems emerging every year. The field of virus nanomaterials now has several subdisciplines that focus on virus shells as assemblers, scaffolds for molecular circuitry, chemical reactors, magnetic and photonic beacons, and therapeutic carriers...
April 25, 2017: ACS Nano
https://www.readbyqxmd.com/read/28439451/automated-identification-of-insect-vectors-of-chagas-disease-in-brazil-and-mexico-the-virtual-vector-lab
#17
Rodrigo Gurgel-Gonçalves, Ed Komp, Lindsay P Campbell, Ali Khalighifar, Jarrett Mellenbruch, Vagner José Mendonça, Hannah L Owens, Keynes de la Cruz Felix, A Townsend Peterson, Janine M Ramsey
Identification of arthropods important in disease transmission is a crucial, yet difficult, task that can demand considerable training and experience. An important case in point is that of the 150+ species of Triatominae, vectors of Trypanosoma cruzi, causative agent of Chagas disease across the Americas. We present a fully automated system that is able to identify triatomine bugs from Mexico and Brazil with an accuracy consistently above 80%, and with considerable potential for further improvement. The system processes digital photographs from a photo apparatus into landmarks, and uses ratios of measurements among those landmarks, as well as (in a preliminary exploration) two measurements that approximate aspects of coloration, as the basis for classification...
2017: PeerJ
https://www.readbyqxmd.com/read/28374772/localised-residency-and-inter-annual-fidelity-to-coastal-foraging-areas-may-place-sea-bass-at-risk-to-local-depletion
#18
Thomas K Doyle, Damien Haberlin, Jim Clohessy, Ashley Bennison, Mark Jessopp
For many marine migratory fish, comparatively little is known about the movement of individuals rather than the population. Yet, such individual-based movement data is vitally important to understand variability in migratory strategies and fidelity to foraging locations. A case in point is the economically important European sea bass (Dicentrarchus labrax L.) that inhabits coastal waters during the summer months before migrating offshore to spawn and overwinter. Beyond this broad generalisation we have very limited information on the movements of individuals at coastal foraging grounds...
April 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28351451/suicide-attempts-among-the-elderly-in-east-asia
#19
Guk-Hee Suh, Lina Gega
Among the one million suicide deaths worldwide each year, as many as 60% occur in Asia. The World Health Organization (WHO) found higher suicide rates among the elderly in rapidly industrialized Asian countries such as China, Hong Kong, Japan, South Korea, Malaysia, and Singapore, compared to the corresponding rates of recently industrializing Asian countries like Vietnam and Sri Lanka (WHO, 2014). As a case in point, suicide rates in South Korea have been the highest in the world since 2003 and are rising especially among older people (Hong and Knapp, 2014)...
May 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28335827/management-of-acute-respiratory-diseases-in-the-pediatric-population-the-role-of-oral-corticosteroids
#20
REVIEW
Renato Cutrera, Eugenio Baraldi, Luciana Indinnimeo, Michele Miraglia Del Giudice, Giorgio Piacentini, Francesco Scaglione, Nicola Ullmann, Laura Moschino, Francesca Galdo, Marzia Duse
Respiratory diseases account for about 25% of all pediatric consultations, and 10% of these are for asthma. The other main pediatric respiratory diseases, in terms of incidence, are bronchiolitis, acute bronchitis and respiratory infections. Oral corticosteroids, in particular prednisolone, are often used to treat acute respiratory diseases given their anti-inflammatory effects. However, the efficacy of treatment with oral corticosteroids differs among the various types of pediatric respiratory diseases. Notably, also the adverse effects of corticosteroid treatment can differ depending on dosage, duration of treatment and type of corticosteroid administered - a case in point being growth retardation in long-course treatment...
March 23, 2017: Italian Journal of Pediatrics
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