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https://www.readbyqxmd.com/read/28431382/childhood-maltreatment-preceding-depressive-disorder-at-age-18-years-a-prospective-brazilian-birth-cohort-study
#1
Erika Alejandra Giraldo Gallo, Christian Loret De Mola, Fernando Wehrmeister, Helen Gonçalves, Christian Kieling, Joseph Murray
BACKGROUND: Childhood maltreatment is linked with increased risk for mental illness in adolescence and adulthood. However, little evidence is available on whether different forms of maltreatment have specific effects, and no prospective studies in low- or middle-income countries have addressed this issue. METHODS: Participants in a population-based, birth cohort study in Pelotas, Brazil (N=3715) self-reported exposure to maltreatment (emotional abuse, physical neglect, physical abuse, sexual abuse, domestic violence) in confidential questionnaires at age 15 years, and were assessed for major depression in interviews at age 18 years, using the MINI...
April 1, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28430495/superstatistical-energy-distributions-of-an-ion-in-an-ultracold-buffer-gas
#2
I Rouse, S Willitsch
An ion in a radio frequency ion trap interacting with a buffer gas of ultracold neutral atoms is a driven dynamical system which has been found to develop a nonthermal energy distribution with a power law tail. The exact analytical form of this distribution is unknown, but has often been represented empirically by q-exponential (Tsallis) functions. Based on the concepts of superstatistics, we introduce a framework for the statistical mechanics of an ion trapped in an rf field subject to collisions with a buffer gas...
April 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28430388/associations-between-childhood-maltreatment-and-non-medical-use-of-prescription-drugs-among-chinese-adolescents
#3
Lan Guo, Yan Xu, Jianxiong Deng, Xue Gao, Guoliang Huang, Jinghui Huang, Xueqing Deng, Wei-Hong Zhang, Ciyong Lu
AIMS: To test, among Chinese adolescents: (1) whether childhood maltreatment is associated with non-medical use of prescription drugs (NMUPD), (2) whether there are interaction effects of childhood maltreatment and depressive symptoms on NMUPD. DESIGN: A secondary analysis of the cross-sectional data collected from 7(th) and 12(th) graders who were sampled using a multistage, stratified cluster, random sampling method in the 2015 School-based Chinese Adolescents Health Survey (SCAHS)...
April 21, 2017: Addiction
https://www.readbyqxmd.com/read/28430196/organocatalytic-stereoselective-8-2-and-6-4-cycloadditions
#4
Rasmus Mose, Gert Preegel, Jesper Larsen, Sofie Jakobsen, Eva Høgh Iversen, Karl Anker Jørgensen
Cycloadditions that involve more than six π electrons are termed higher-order cycloadditions and are an excellent tool for solving complex synthetic challenges, as they provide direct access to polycyclic scaffolds that contain medium-sized rings. They have interesting synthetic potential for the discovery of new bioactive molecules and in natural product synthesis. It is peculiar that stereocontrolled [8+2] and [6+4] cycloadditions have been largely neglected for the past 50 years. Here we demonstrate a cross-dienamine activation of 2-cyclopentenone and the unprecedented endocyclic linear-dienamine activation of 2-cyclohexenones and 2-cycloheptenones...
May 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28430005/issues-in-current-microrna-target-identification-methods
#5
Hervé Seitz
microRNAs are currently believed to control a large diversity of physiological processes, through the collective repression of thousands of target genes. Both experimental and computational analyses indeed suggest that each microRNA regulates tens or hundreds of genes. But some observations suggest that the phenotypic consequences of many published miRNA/mRNA interactions are dubious. For example, the reported amplitude of miRNA-guided repression is very small, while biological processes tend to be robust to small changes in gene expression...
April 21, 2017: RNA Biology
https://www.readbyqxmd.com/read/28429851/impacts-of-taxonomic-inertia-for-the-conservation-of-african-ungulate-diversity-an-overview
#6
Spartaco Gippoliti, Fenton P D Cotterill, Dietmar Zinner, Colin P Groves
We review the state of African ungulate taxonomy over the last 120 years, with an emphasis on the introduction of the polytypic species concept and the discipline's general neglect since the middle of the 20th century. We single out negative consequences of 'orthodox' taxonomy, highlighting numerous cases of neglect of threatened lineages, unsound translocations that led to lineage introgression, and cases of maladaptation to local conditions including parasitic infections. Additionally, several captive breeding programmes have been hampered by chromosome rearrangements caused by involuntary lineage mixing...
April 21, 2017: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/28429801/the-dizzy-patient-don-t-forget-disorders-of-the-central-vestibular-system
#7
REVIEW
Thomas Brandt, Marianne Dieterich
Vertigo and dizziness are among the most common complaints in neurology clinics, and they account for about 13% of the patients entering emergency units. In this Review, we focus on central vestibular disorders, which are mostly attributable to acute unilateral lesions of the bilateral vestibular circuitry in the brain. In a tertiary interdisciplinary outpatient dizziness unit, central vestibular disorders, including vestibular migraine, comprise about 25% of the established diagnoses. The signs and symptoms of these disorders can mimic those of peripheral vestibular disorders with sustained rotational vertigo...
April 21, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/28429787/heat-temperature-and-clausius-inequality-in-a-model-for-active-brownian-particles
#8
Umberto Marini Bettolo Marconi, Andrea Puglisi, Claudio Maggi
Methods of stochastic thermodynamics and hydrodynamics are applied to a recently introduced model of active particles. The model consists of an overdamped particle subject to Gaussian coloured noise. Inspired by stochastic thermodynamics, we derive from the system's Fokker-Planck equation the average exchanges of heat and work with the active bath and the associated entropy production. We show that a Clausius inequality holds, with the local (non-uniform) temperature of the active bath replacing the uniform temperature usually encountered in equilibrium systems...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429014/formation-of-mono-and-binuclear-neodymium-iii-gluconate-complexes-in-aqueous-solutions-in-the-ph-range-of-2-8
#9
Bence Kutus, Norbert Varga, Gábor Peintler, Alexandru Lupan, Amr A A Attia, István Pálinkó, Pál Sipos
The complex formation between Nd(iii) and d-gluconate (Gluc(-)) is of relevance in modelling the chemical equilibria of radioactive waste repositories. In the present work, the formation of NdpGlucqH-r complexes at 25 °C and pH = 2-8 was studied via spectrophotometry, potentiometry, freezing point depression, conductometry and NMR spectroscopy. In addition to the four mononuclear complexes (pq-r = 110, 120, 130 and 11-2), the formation of two binuclear, so far unknown complexes (pq-r = 23-2 and 24-2) was revealed...
April 21, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28429001/structure-property-relationships-of-cell-clusters-in-biotissues-2d-analysis
#10
Xiaohua Zhou, Erhu Zhang, Minggang Xia, Lei Zhang, Zhiqi Tian, Jianlin Liu, Shengli Zhang
Gaining insight into the relationships between the self-organized cell structures and the properties of biotissues is helpful for revealing the function of biomaterials and its designing principle. However, the traditionally used random foam model neglects several important details of the frameworks of cell clusters resulting in incomplete conclusions. Herein, we use a more complete model, the cell adhesion model, to investigate the mechanical and morphological properties of the two-dimensional (2D) dry cell foams...
April 21, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28428975/parenting-in-animals
#11
Karen L Bales
The study of parenting in animals has allowed us to come to a better understanding of the neural and physiological mechanisms that underlie mammalian parental behavior. The long-term effects of parenting (and parental abuse or neglect) on offspring, and the neurobiological changes that underlie those changes, have also been best studied in animal models. Our greater experimental control and ability to directly manipulate neural and hormonal systems, as well as the environment of the subjects, will ensure that animal models remain important in the study of parenting; while in the future, the great variety of parental caregiving systems displayed by animals should be more thoroughly explored...
June 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28428555/application-of-high-resolution-melting-assay-hrm-to-study-temperature-dependent-intraspecific-competition-in-a-pathogenic-bacterium
#12
Roghaieh Ashrafi, Matthieu Bruneaux, Lotta-Riina Sundberg, Katja Pulkkinen, Tarmo Ketola
Studies on species' responses to climate change have focused largely on the direct effect of abiotic factors and in particular temperature, neglecting the effects of biotic interactions in determining the outcome of climate change projections. Many microbes rely on strong interference competition; hence the fitness of many pathogenic bacteria could be a function of both their growth properties and intraspecific competition. However, due to technical challenges in distinguishing and tracking individual strains, experimental evidence on intraspecific competition has been limited so far...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28428375/a-new-neglected-crop-cannabis
#13
Elizabeth Pennisi
No abstract text is available yet for this article.
April 21, 2017: Science
https://www.readbyqxmd.com/read/28427843/relative-importance-of-different-exposure-routes-of-heavy-metals-for-humans-living-near-a-municipal-solid-waste-incinerator
#14
Tong Li, Yi Wan, Yujie Ben, Senrong Fan, Jianying Hu
The potential health effects of toxic chemicals (e.g. heavy metals) emitted by municipal solid waste incinerators (MSWIs) are of great concern to local residents, however there have been few studies on the contributions of different exposure pathways and their subsequent effects on the body burden of residents living near MSWIs. In this study, multiple exposure routes of heavy metals including Pb, Cr, Cd and Mn were assessed by investigating the metals in foods (such as vegetables, crops, meats and fruits etc...
April 17, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28427369/suicidal-ideation-and-its-correlates-among-high-school-students-in-iran-a-cross-sectional-study
#15
Reza Ziaei, Eija Viitasara, Joaquim Soares, Homayoun Sadeghi-Bazarghani, Saeed Dastgiri, Ali Hossein Zeinalzadeh, Farhad Bahadori, Reza Mohammadi
BACKGROUND: Globally, the second leading cause of death among adolescents is suicide and in middle-income countries adolescents' suicidal ideation is a neglected public health area. The present study was conducted to determine the prevalence and correlates of suicidal ideation among 15-17-year-old high school students in Iran. METHODS: Self-administered, Global School-based Student Health Survey (GSHS) questionnaires were distributed to a representative sample (N =1517) of high-school students aged 15-17 in the city of Tabriz...
April 20, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28427167/dynamic-changes-in-serum-cytokine-levels-and-their-clinical-significance-in-predicting-acute-gvhd
#16
Chunyan Zhang, Wenrong Huang, Pengjun Zhang, Qingyi Zhang, Guanghong Guo, Feng Gu, Hua Yang, Yurong Wang, Xueliang Huang, Qian Jia, Yaping Tian
To explore the clinical significance of cytokines and biochemical tests in acute graft-versus-host disease (aGVHD), we detected the concentrations of 8 cytokines and 19 conventional biochemical markers in the sera of aGVHD and non-GVHD patients throughout the process of allogeneic hematopoietic stem cell transplantation and the onset of aGVHD. Predictive models were then established using the 27 indices, and models were verified by a prospective trial. The 27 indices showed significant differences between aGVHD patients and non-GVHD control subjects (two-tailed p<0...
February 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426782/peste-des-petits-ruminants-ppr-a-neglected-tropical-disease-in-maghreb-region-of-north-africa-and-its-threat-to-europe
#17
Ratiba Baazizi, Mana Mahapatra, Brian Donald Clarke, Khatima Ait-Oudhia, Djamel Khelef, Satya Parida
BACKGROUND: Peste des petits ruminants (PPR) is a contagious disease listed by the World Organisation for Animal health (OIE) as being a specific hazard. It affects sheep, goats, and wild ungulates, and is prevalent throughout the developing world particularly Asia, the Middle East, and Africa. PPR has been targeted for eradication by 2030 by the Food and Agriculture Organization of the United Nations (FAO) and the OIE, after the successful eradication of the related disease, rinderpest in cattle...
2017: PloS One
https://www.readbyqxmd.com/read/28426712/the-culturable-mycobiota-of-flabellia-petiolata-first-survey-of-marine-fungi-associated-to-a-mediterranean-green-alga
#18
Giorgio Gnavi, Laura Garzoli, Anna Poli, Valeria Prigione, Gaëtan Burgaud, Giovanna Cristina Varese
Algae-inhabiting marine fungi represent a taxonomically and ecologically interesting group of microorganisms still largely neglected, especially in temperate regions. The aim of this study was to isolate and to identify the culturable mycobiota associated with Flabellia petiolata, a green alga frequently retrieved in the Mediterranean basin. Twenty algal thalli were collected from two different sampling sites in the Mediterranean Sea (Elba Island, Italy). A polyphasic approach showed the presence of a relevant alga-associated mycobiota with 64 taxa identified...
2017: PloS One
https://www.readbyqxmd.com/read/28426685/human-african-trypanosomiasis-control-achievements-and-challenges
#19
Serap Aksoy, Phillipe Buscher, Mike Lehane, Philippe Solano, Jan Van Den Abbeele
Sleeping sickness, also known as human African trypanosomiasis (HAT), is a neglected disease that impacts 70 million people living in 1.55 million km2 in sub-Saharan Africa. Since the beginning of the 20th century, there have been multiple HAT epidemics in sub-Saharan Africa, with the most recent epidemic in the 1990s resulting in about half a million HAT cases reported between 1990 and 2015. Here we review the status of HAT disease at the current time and the toolbox available for its control. We also highlight future opportunities under development towards novel or improved interventions...
April 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28426672/how-to-determine-if-a-model-is-right-for-neglected-tropical-disease-decision-making
#20
Bruce Y Lee, Sarah M Bartsch
Mathematical and computational modeling can transform decision making for neglected tropical diseases (NTDs) if the right model is used for the right question. Modeling can help better understand and address the complex systems involved in making decisions for NTD prevention and control. However, all models, modelers, and modeling are not the same. Thus, decision makers need to better understand if a particular model actually fits their needs. Here are a series of questions that a decision maker can ask when determining whether a model is right for him or her...
April 2017: PLoS Neglected Tropical Diseases
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