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https://www.readbyqxmd.com/read/28738316/-what-kept-me-going-a-qualitative-study-of-avoidant-responses-to-war-related-adversity-and-perpetration-of-violence-by-former-forcibly-recruited-children-and-youth-in-the-acholi-region-of-northern-uganda
#1
Helle Harnisch, Edith Montgomery
This qualitative study investigates what, according to 36 former forcibly recruited women and men, enabled them to "keep on going" during and after their forced recruitment in the twenty-year-long civil war in northern Uganda. Furthermore, the study conveys the ways most of the former forcibly recruited kept on going and today cope with ongoing war-related adversity and difficult reintegration processes without relying on psycho-social intervention. Thirty-five of the 36 women and men were forcibly recruited when they were children by the Lord's Resistance Army (LRA) from the Acholi region of northern Uganda...
July 11, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28738314/factors-associated-with-cognitive-impairment-in-a-cohort-of-older-homeless-adults-results-from-the-hope-home-study
#2
Emily Hurstak, Julene K Johnson, Lina Tieu, David Guzman, Claudia Ponath, Christopher T Lee, Christina Weyer Jamora, Margot Kushel
BACKGROUND: We evaluated cognitive function and factors associated with cognitive impairment in a cohort of older homeless adults. We hypothesized that substance use and a history of traumatic brain injury would be associated with cognitive impairment. METHODS: We recruited 350 homeless individuals aged ≥50 years using population-based sampling and conducted structured interviews and neuropsychological testing. We evaluated alcohol use with the Alcohol Use Disorder Identification Test, defining high-severity alcohol use as a total score ≥16 or ≥4 on the alcohol dependency sub-scale...
July 4, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28738219/finding-features-figuratively
#3
Sarah H Solomon, Sharon L Thompson-Schill
Object concepts refer to unique clusters of properties that can be selectively activated or inhibited depending on what information is currently relevant. This conceptual "stretching" enables limitless new meanings to be generated, and figurative language provides a useful framework in which to study this conceptual flexibility. Here we probe the cognitive and neural mechanisms underlying the comprehension of novel metaphors as a means of understanding the conceptual flexibility inherent to language processing more generally...
July 21, 2017: Brain and Language
https://www.readbyqxmd.com/read/28738127/early-onset-alzheimer-disease-and-candidate-risk-genes-involved-in-endolysosomal-transport
#4
Brian W Kunkle, Badri N Vardarajan, Adam C Naj, Patrice L Whitehead, Sophie Rolati, Susan Slifer, Regina M Carney, Michael L Cuccaro, Jeffery M Vance, John R Gilbert, Li-San Wang, Lindsay A Farrer, Christiane Reitz, Jonathan L Haines, Gary W Beecham, Eden R Martin, Gerard D Schellenberg, Richard P Mayeux, Margaret A Pericak-Vance
Importance: Mutations in APP, PSEN1, and PSEN2 lead to early-onset Alzheimer disease (EOAD) but account for only approximately 11% of EOAD overall, leaving most of the genetic risk for the most severe form of Alzheimer disease unexplained. This extreme phenotype likely harbors highly penetrant risk variants, making it primed for discovery of novel risk genes and pathways for AD. Objective: To search for rare variants contributing to the risk for EOAD. Design, Setting, and Participants: In this case-control study, whole-exome sequencing (WES) was performed in 51 non-Hispanic white (NHW) patients with EOAD (age at onset <65 years) and 19 Caribbean Hispanic families previously screened as negative for established APP, PSEN1, and PSEN2 causal variants...
July 24, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28737692/salt-reductions-in-some-foods-in-the-netherlands-monitoring-of-food-composition-and-salt-intake
#5
Elisabeth H M Temme, Marieke A H Hendriksen, Ivon E J Milder, Ido B Toxopeus, Susanne Westenbrink, Henny A M Brants, Daphne L van der A
BACKGROUND AND OBJECTIVES: High salt intake increases blood pressure and thereby the risk of chronic diseases. Food reformulation (or food product improvement) may lower the dietary intake of salt. This study describes the changes in salt contents of foods in the Dutch market over a five-year period (2011-2016) and differences in estimated salt intake over a 10-year period (2006-2015). METHODS: To assess the salt contents of foods; we obtained recent data from chemical analyses and from food labels...
July 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28737424/facilitator-and-participant-use-of-facebook-in-a-community-based-intervention-for-parents-the-infant-extend-program
#6
Katherine L Downing, Karen J Campbell, Paige van der Pligt, Kylie D Hesketh
BACKGROUND: Social networking sites such as Facebook afford new opportunities for behavior-change interventions. Although often used as a recruitment tool, few studies have reported the use of Facebook as an intervention component to facilitate communication between researchers and participants. The aim of this study was to examine facilitator and participant use of a Facebook component of a community-based intervention for parents. METHODS: First-time parent groups participating in the intervention arm of the extended Infant Feeding, Activity and Nutrition Trial (InFANT Extend) Program were invited to join their own private Facebook group...
July 24, 2017: Childhood Obesity
https://www.readbyqxmd.com/read/28736796/longitudinal-research-on-aging-drivers-longroad-study-design-and-methods
#7
Guohua Li, David W Eby, Robert Santos, Thelma J Mielenz, Lisa J Molnar, David Strogatz, Marian E Betz, Carolyn DiGuiseppi, Lindsay H Ryan, Vanya Jones, Samantha I Pitts, Linda L Hill, Charles J DiMaggio, David LeBlanc, Howard F Andrews
BACKGROUND: As an important indicator of mobility, driving confers a host of social and health benefits to older adults. Despite the importance of safe mobility as the population ages, longitudinal data are lacking about the natural history and determinants of driving safety in older adults. METHODS: The Longitudinal Research on Aging Drivers (LongROAD) project is a multisite prospective cohort study designed to generate empirical data for understanding the role of medical, behavioral, environmental and technological factors in driving safety during the process of aging...
December 2017: Injury Epidemiology
https://www.readbyqxmd.com/read/28736528/linking-ventilator-injury-induced-leak-across-the-blood-gas-barrier-to-derangements-in-murine-lung-function
#8
Bradford J Smith, Elizabeth Bartolak-Suki, Bela Suki, Gregory S Roy, Katharine L Hamlington, Chantel M Charlebois, Jason H T Bates
Mechanical ventilation is vital to the management of acute respiratory distress syndrome, but it frequently leads to ventilator-induced lung injury (VILI). Understanding the pathophysiological processes involved in the development of VILI is an essential prerequisite for improving lung-protective ventilation strategies. The goal of this study was to relate the amount and nature of material accumulated in the airspaces to biomarkers of injury and the derecruitment behavior of the lung in VILI. Forty-nine BALB/c mice were mechanically ventilated with combinations of tidal volume and end-expiratory pressures to produce varying degrees of overdistension and atelectasis while lung function was periodically assessed...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28735970/blunted-neural-response-to-implicit-negative-facial-affect-in-anorexia-nervosa
#9
Jenni Leppanen, Valentina Cardi, Yannis Paloyelis, Andy Simmons, Kate Tchanturia, Janet Treasure
BACKGROUND: People with anorexia nervosa (AN) have difficulties in a wide range of social-emotional processes. Previous work suggests atypical involvement of the prefrontal cortex (PFC), amygdala, insula, and fusiform gyri during social-emotional processing in AN. METHODS: Twenty women with AN and twenty healthy comparison (HC) women were presented with happy, fearful, and neutral faces during a functional magnetic resonance imaging study. Group differences were investigated in the following regions of interest: lateral PFC, amygdala, insula, and fusiform gyri...
July 20, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28735898/genome-wide-single-molecule-footprinting-reveals-high-rna-polymerase-ii-turnover-at-paused-promoters
#10
Arnaud R Krebs, Dilek Imanci, Leslie Hoerner, Dimos Gaidatzis, Lukas Burger, Dirk Schübeler
Transcription initiation entails chromatin opening followed by pre-initiation complex formation and RNA polymerase II recruitment. Subsequent polymerase elongation requires additional signals, resulting in increased residence time downstream of the start site, a phenomenon referred to as pausing. Here, we harnessed single-molecule footprinting to quantify distinct steps of initiation in vivo throughout the Drosophila genome. This identifies the impact of promoter structure on initiation dynamics in relation to nucleosomal occupancy...
July 19, 2017: Molecular Cell
https://www.readbyqxmd.com/read/28735721/-the-first-moments-of-the-carer-the-process-of-becoming-a-caregiver-of-a-dependent-elderly-relative
#11
Lourdes Moral-Fernández, Antonio Frías-Osuna, Sara Moreno-Cámara, Pedro A Palomino-Moral, Rafael Del-Pino-Casado
AIM: Describe the initial process through which people who imminently become caregivers of a dependent elderly relative. DESIGN: Qualitative study, for which its analysis has been directed by Grounded Theory principles. LOCATION: This study was conducted in the Health Districts of Jaén, during 2015 and 2016 at the community level. PARTICIPANTS AND/OR CONTEXTS: The recruitment was carried out by managers of the Health Centres of each Health District, who located the participants who met the inclusion criteria and invited them to participate in the study...
July 20, 2017: Atencion Primaria
https://www.readbyqxmd.com/read/28735149/smoking-relapse-situations-among-a-community-recruited-sample-of-spanish-daily-smokers
#12
Bárbara Piñeiro, Ana López-Durán, Carmela Martínez-Vispo, Elena Fernández Del Río, Úrsula Martínez, Rubén Rodríguez-Cano, M Carmen Míguez, Elisardo Becoña
INTRODUCTION: Relapse is a common factor within the behavior change process. However, there is scarce and limited knowledge of smoking relapse situations in population-based samples. The aim of this study was to identify smoking relapse situations among a sample of Spanish relapsers from the general population. METHODS: A sample of 775 relapsers was recruited among the general population using a snowball method. Participants completed a survey including sociodemographic, smoking-related and psychopathology variables...
July 14, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28735100/attention-modulates-specific-motor-cortical-circuits-recruited-by-transcranial-magnetic-stimulation
#13
J L Mirdamadi, L Y Suzuki, S K Meehan
Skilled performance and acquisition is dependent upon afferent input to motor cortex. The present study used short-latency afferent inhibition (SAI) to probe how manipulation of sensory afference by attention affects different circuits projecting to pyramidal tract neurons in motor cortex. SAI was assessed in the first dorsal interosseous muscle while participants performed a low or high attention demanding visual detection task. SAI was evoked by preceding a suprathreshold transcranial magnetic stimulus with electrical stimulation of the median nerve at the wrist...
July 19, 2017: Neuroscience
https://www.readbyqxmd.com/read/28734164/cognitive-strategies-in-the-mental-rotation-task-revealed-by-eeg-spectral-power
#14
Aaron L Gardony, Marianna D Eddy, Tad T Brunyé, Holly A Taylor
The classic mental rotation task (MRT; Shepard & Metzler, 1971) is commonly thought to measure mental rotation, a cognitive process involving covert simulation of motor rotation. Yet much research suggests that the MRT recruits both motor simulation and other analytic cognitive strategies that depend on visuospatial representation and visual working memory (WM). In the present study, we investigated cognitive strategies in the MRT using time-frequency analysis of EEG and independent component analysis. We scrutinized sensorimotor mu (µ) power reduction, associated with motor simulation, parietal alpha (pα) power reduction, associated with visuospatial representation, and frontal midline theta (fmθ) power enhancement, associated with WM maintenance and manipulation...
July 19, 2017: Brain and Cognition
https://www.readbyqxmd.com/read/28733553/exosomal-tetraspanins-mediate-cancer-metastasis-by-altering-host-microenvironment
#15
Jun Lu, Jun Li, Shuo Liu, Teng Wang, Alessandro Ianni, Eva Bober, Thomas Braun, Rong Xiang, Shijing Yue
The metastases of malignant tumors develop through a cascade of events. The establishment of a pre-metastatic micro-environment is initiated by communication between tumors and host. Exosomes come into focus as the most potent intercellular communicators playing a pivotal role in this process. Cancer cells release exosomes into the extracellular environment prior to metastasis. Tetraspanin is a type of 4 times transmembrane proteins. It may be involved in cell motility, adhesion, morphogenesis, as well as cell and vesicular membrane fusion...
July 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28733345/genes-of-cellular-components-of-morphogenesis-in-porcine-oocytes-before-and-after-ivm
#16
Joanna Budna, Artur Bryja, Piotr Celichowski, Rotem Kahan, Wiesława Kranc, Sylwia Ciesiółka, Marta Rybska, Sylwia Borys, Michal Jeseta, Dorota Bukowska, Paweł Antosik, Klaus Peter Brüssow, Małgorzata Bruska, Michał Nowicki, Maciej Zabel, Bartosz Kempisty
Proper oocyte maturation in mammals produces an oocyte capable of monospermic fertilization and embryo preimplantation. The cumulus-oocyte complexes (COCs), surrounding an oocyte, play a significant role in oocyte maturation. During this process, when the COCs undergo cumulus expansion wherein tightly compact cumulus cells (CCs) form a dispersed structure, permanent biochemical and molecular modifications occur in the maturing oocytes, indicating the gene expression between immature and mature oocytes differs significantly...
July 21, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28733248/pupil-dilations-induced-by-barely-conscious-reward-goal-priming
#17
Yudai Takarada, Daichi Nozaki
The topic of unconscious influences on behavior has long been explored as a way of understanding human performance and the neurobiological correlates of intention, motivation and action. Previous research using transcranial magnetic stimulation has demonstrated that barely visible priming of an action concept, when combined with reward in the form of a consciously perceived positive stimulus, can alter the state of the motor system and enhance the maximal voluntary force level. One possible explanation is that positive stimulus-induced reward signals are processed by the dopaminergic system in the basal ganglia, motivating individuals to increase the effort they invest in particular behaviors, or to recruit the resources necessary for maintaining those behaviors...
July 18, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28733143/mechanisms-of-nlrp1-mediated-autoinflammatory-disease-in-humans-and-mice
#18
REVIEW
Chien-Hsiung Yu, Jonas Moecking, Matthias Geyer, Seth L Masters
NLRP1 was the first NLR protein described to form an inflammasome, recruiting ASC to activate caspase-1, which processes interleukin-1β and interleukin-18 to their active form. A wealth of new genetic information has now redefined our understanding of this innate immune sensor. Specifically, rare loss-of-function variants in the N-terminal pyrin domain (PYD) indicate that this part of NLRP1 is autoinhibitory, and normally acts to prevent a familial autoinflammatory skin disease associated with cancer. In the absence of a ligand to trigger human NLRP1, these mutations have now confirmed the requirement of NLRP1 autolytic cleavage within the FIIND domain, which had previously been implicated in NLRP1 activation...
July 18, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28733085/functional-consequences-of-chemically-induced-%C3%AE-arrestin-binding-to-chemokine-receptors-cxcr4-and-ccr5-in-the-absence-of-ligand-stimulation
#19
Marcel Liebick, Sarah Henze, Viola Vogt, Martin Oppermann
Chemokine receptor signaling is a tightly regulated process which was for a long time exclusively attributed to heterotrimeric G proteins. β-Arrestins constitute a separable signaling arm from classical heterotrimeric G proteins, in addition to their well-established roles in receptor desensitization and endocytosis. In order to clearly dissect β-arrestin- from G protein-dependent effects we forced the recruitment of β-arrestin to CXCR4 and CCR5 independently of agonist-promoted receptor activation through chemically-induced dimerization...
July 18, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28733084/reciprocal-regulation-of-%C3%AE-2-adrenoceptor-activated-camp-response-element-binding-protein-signalling-by-arrestin2-and-arrestin3
#20
Alexander Pearce, Lucy Sanders, Paul J Brighton, Shashi Rana, Justin C Konje, Jonathon M Willets
Activation of Gs coupled receptors (e.g. β2-adrenoreceptor (β2AR)) expressed within the uterine muscle layer (myometrium), promotes intracellular cAMP generation, inducing muscle relaxation through short-term inhibition of contractile proteins, and longer-term modulation of cellular phenotype to promote quiescence. In the myometrium cAMP-driven modulation of cell phenotype is facilitated by CREB activity, however despite the importance of CREB signalling in the promotion of myometrial quiescence during pregnancy, little is currently known regarding the molecular mechanisms involved...
July 18, 2017: Cellular Signalling
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