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https://www.readbyqxmd.com/read/28231395/functional-connectivity-in-amygdalar-sensory-pre-motor-networks-at-rest-new-evidence-from-the-human-connectome-project
#1
Nicola Toschi, Andrea Duggento, Luca Passamonti
The word "e-motion" derives from the Latin word "ex-moveo" which literally means "moving away from something / somebody". Emotions are thus fundamental to prime action and goal-directed behavior with obvious implications for individual's survival. However, the brain mechanisms underlying the interactions between emotional and motor cortical systems remain poorly understood. A recent diffusion tensor imaging study in humans has reported the existence of direct anatomical connections between the amygdala and sensory/(pre)motor cortices, corroborating an initial observation in animal research...
February 23, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28231340/the-widely-used-nicotiana-benthamiana-16c-line-has-an-unusual-t-dna-integration-pattern-including-a-transposon-sequence
#2
Joshua G Philips, Fatima Naim, Michał T Lorenc, Kevin J Dudley, Roger P Hellens, Peter M Waterhouse
Nicotiana benthamiana is employed around the world for many types of research and one transgenic line has been used more extensively than any other. This line, 16c, expresses the Aequorea victoria green fluorescent protein (GFP), highly and constitutively, and has been a major resource for visualising the mobility and actions of small RNAs. Insights into the mechanisms studied at a molecular level in N. benthamiana 16c are likely to be deeper and more accurate with a greater knowledge of the GFP gene integration site...
2017: PloS One
https://www.readbyqxmd.com/read/28231175/mushroom-polysaccharides-chemistry-and-antiobesity-antidiabetes-anticancer-and-antibiotic-properties-in-cells-rodents-and-humans
#3
REVIEW
Mendel Friedman
More than 2000 species of edible and/or medicinal mushrooms have been identified to date, many of which are widely consumed, stimulating much research on their health-promoting properties. These properties are associated with bioactive compounds produced by the mushrooms, including polysaccharides. Although β-glucans (homopolysaccharides) are believed to be the major bioactive polysaccharides of mushrooms, other types of mushroom polysaccharides (heteropolysaccharides) also possess biological properties. Here we survey the chemistry of such health-promoting polysaccharides and their reported antiobesity and antidiabetic properties as well as selected anticarcinogenic, antimicrobial, and antiviral effects that demonstrate their multiple health-promoting potential...
November 29, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231067/the-association-of-peripubertal-serum-concentrations-of-organochlorine-chemicals-and-blood-lead-with-growth-and-pubertal-development-in-a-longitudinal-cohort-of-boys-a-review-of-published-results-from-the-russian-children-s-study
#4
Oleg Sergeyev, Jane S Burns, Paige L Williams, Susan A Korrick, Mary M Lee, Boris Revich, Russ Hauser
Organochlorine chemicals and lead are environmental exposures that have endocrine disrupting properties (EDCs) which interfere with many aspects of hormone action. Childhood and adolescence are windows of susceptibility for adverse health effects of EDCs. Our ongoing study, the Russian Children's Study (RCS), is one of the few longitudinal studies investigating the impact of EDCs on growth and puberty in boys. It is conducted in the historically contaminated city of Chapaevsk, in the Samara region. The study focuses on evaluating the associations of persistent organochlorine chemicals and lead with growth and pubertal timing...
February 23, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28230817/common%C3%A2-chemical%C3%A2-inductors%C3%A2-of%C3%A2-replication%C3%A2-stress-%C3%A2-focus%C3%A2-on%C3%A2-cell-based%C3%A2-studies
#5
REVIEW
Eva Vesela, Katarina Chroma, Zsofia Turi, Martin Mistrik
DNA replication is a highly demanding process regarding the energy and material supply and must be precisely regulated, involving multiple cellular feedbacks. The slowing down or stalling of DNA synthesis and/or replication forks is referred to as replication stress (RS). Owing to the complexity and requirements of replication, a plethora of factors may interfere and challenge the genome stability, cell survival or affect the whole organism. This review outlines chemical compounds that are known inducers of RS and commonly used in laboratory research...
February 21, 2017: Biomolecules
https://www.readbyqxmd.com/read/28230736/measuring-experiential-avoidance-evidence-toward-multidimensional-predictors-of-trauma-sequelae
#6
Meaghan Lewis, Amy Naugle
The current study sought to investigate measurement discrepancies in self-report assessment of experiential avoidance (EA). Recent research indicates that EA may be more appropriately conceptualized as a multidimensional construct, operationally defined in terms of specific avoidance strategies. To test this notion, EA was measured using two self-report assessment instruments, the Acceptance and Action Questionnaire-II (AAQ-II) and the Multidimensional Experiential Avoidance Questionnaire (MEAQ) in a convenience sample of university students...
February 20, 2017: Behavioral Sciences
https://www.readbyqxmd.com/read/28230272/sizing-up-a-superstorm-exploring-the-role-of-recalled-experience-and-attribution-of-responsibility-in-judgments-of-future-hurricane-risk
#7
Laura N Rickard, Z Janet Yang, Jonathon P Schuldt, Gina M Eosco, Clifford W Scherer, Ricardo A Daziano
Research suggests that hurricane-related risk perception is a critical predictor of behavioral response, such as evacuation. Less is known, however, about the precursors of these subjective risk judgments, especially when time has elapsed from a focal event. Drawing broadly from the risk communication, social psychology, and natural hazards literature, and specifically from concepts adapted from the risk information seeking and processing model and the protective action decision model, we examine how individuals' distant recollections, including attribution of responsibility for the effects of a storm, attitude toward relevant information, and past hurricane experience, relate to risk judgment for a future, similar event...
February 23, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28229416/human-induced-pluripotent-stem-cell-derived-mesenchymal-stem-cells-as-an-individual-specific-and-renewable-source-of-adult-stem-cells
#8
Glen Lester Sequiera, Sekaran Saravanan, Sanjiv Dhingra
This chapter deals with the employment of human-induced pluripotent stem cells (hiPSCs) as a candidate to differentiate into mesenchymal stem cells (MSCs). This would enable to help establish a regular source of human MSCs with the aim of avoiding the problems associated with procuring the MSCs either from different healthy individuals or patients, limited extraction potentials, batch-to-batch variations or from diverse sources such as bone marrow or adipose tissue. The procedures described herein allow for a guided and ensured approach for the regular maintenance of hiPSCs and their subsequent differentiation into MSCs using the prescribed medium...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229250/role-of-mirnas-in-human-disease-and-inborn-errors-of-metabolism
#9
Ana Rivera-Barahona, Belén Pérez, Eva Richard, Lourdes R Desviat
MicroRNAs (miRNAs) are short, noncoding RNAs that regulate gene expression posttranscriptionally by base pairing with target messenger RNAs (mRNAs). They are estimated to target ∼60% of all human protein-coding genes and are involved in regulating key physiological processes and intracellular signaling pathways. They also exhibit tissue specificity, and their dysregulation is linked to the progression of pathology. Identifying disease associated miRNAs and their respective targets provides novel molecular insight into disease, enabling the design of new therapeutic strategies...
February 22, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28229111/the-chronic-mild-stress-cms-model-of-depression-history-evaluation-and-usage
#10
REVIEW
Paul Willner
Now 30 years old, the chronic mild stress (CMS) model of depression has been used in >1300 published studies, with a year-on-year increase rising to >200 papers in 2015. Data from a survey of users show that while a variety of names are in use (chronic mild/unpredictable/varied stress), these describe essentially the same procedure. This paper provides an update on the validity and reliability of the CMS model, and reviews recent data on the neurobiological basis of CMS effects and the mechanisms of antidepressant action: the volume of this research may be unique in providing a comprehensive account of antidepressant action within a single model...
February 2017: Neurobiology of Stress
https://www.readbyqxmd.com/read/28228739/touchscreen-tablets-coordinating-action-and-perception-for-mathematical-cognition
#11
Carolien A C G Duijzer, Shakila Shayan, Arthur Bakker, Marieke F Van der Schaaf, Dor Abrahamson
Proportional reasoning is important and yet difficult for many students, who often use additive strategies, where multiplicative strategies are better suited. In our research we explore the potential of an interactive touchscreen tablet application to promote proportional reasoning by creating conditions that steer students toward multiplicative strategies. The design of this application (Mathematical Imagery Trainer) was inspired by arguments from embodied-cognition theory that mathematical understanding is grounded in sensorimotor schemes...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28228538/route-choice-in-pedestrians-determinants-for-initial-choices-and-revising-decisions
#12
Weichen Liao, Armel U Kemloh Wagoum, Nikolai W F Bode
In moving pedestrian crowds, the distribution of individuals over different available routes emerges from the decisions of individuals that may be influenced by the actions of others. Understanding this phenomenon not only is important for research into collective behaviour, but also has practical applications for building safety and event management. Here, we study the mechanisms underlying pedestrian route choice, focusing on how time-independent information, such as path lengths, and time-dependent information, such as queue lengths, affect both initial decisions and subsequent changes in route choices...
February 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28228075/challenges-in-dermal-delivery-of-therapeutic-antimicrobial-protein-and-peptides
#13
Rohan Aminbhai Lalani, Ambikanandan Misra, Jitendra Amrutiya, Hinal Patel, Priyanka Bhatt, Vivek Patel
BACKGROUND: Protein and peptides in biological system form an important part of innate immune system and are being explored for potential use in various diseases as therapeutics. Importance of proteins and peptides as a new class of antimicrobial agents have boosted research in the field of biotechnology as potential alternative to antibiotic agents. OBJECTIVE: Protein and peptides antimicrobial as a therapeutics class are structurally diverse and exhibit potent activity against microbes by various mechanisms...
February 22, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28227532/assessing-the-role-of-preknowledge-in-force-compensation-during-a-tracking-task
#14
Dimitrios Menychtas, Tyler Sullins, Benjamin Rigsby, Stephanie Carey, Kyle B Reed, Dimitrios Menychtas, Tyler Sullins, Benjamin Rigsby, Stephanie Carey, Kyle B Reed, Dimitrios Menychtas, Benjamin Rigsby, Kyle B Reed, Stephanie Carey, Tyler Sullins
Considerable research has been done looking at the asymmetries between the dominant and nondominant arms. However, one area that has received less attention is how information about a perturbation affects these upper limb asymmetries. Our study sought to determine whether foreknowledge of a perturbation can affect the compensation from each arm. In addition, we examined the differences in compensation for perturbations parallel with the line of action and perpendicular to it. Results showed that the nondominant arm was largely unaffected by the visual condition...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227411/source-imaging-of-simple-finger-movements-captured-during-auditory-response-tasks-using-space-time-frequency-based-sparsity-constraints
#15
Aritra Chaudhuri, Aurobinda Routray, Aritra Chaudhuri, Aurobinda Routray, Aurobinda Routray, Aritra Chaudhuri
Neural Information Flow during simple cognitive or motor actions is a significant research topic; one of which is a simple finger movement. In this paper, Electro-encephalograph (EEG) Source Imaging has been used to model the Neural Information flow, during performance of a simple Auditory Response Task (ART), specifically by employment of a space-time-frequency sparsity constrained based algorithm, namely, Spatio-temporal Unifying Tomography (STOUT). The estimated sources are then studied according to location defined based on Destrieux atlas...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226393/supporting-self-management-by-community-matrons-through-a-group-intervention-an-action-research-study
#16
Abigail M Barkham, Steven J Ersser
The aim of this study was to examine the feasibility and impact of a group intervention by Community Matrons to support those living with multiple long-terms conditions. Little evidence exists as to how the role of the Community Matron (CM) should be delivered to effectively enhance disease self-management and levels of self-efficacy for the service users. This qualitative participatory action research study explored the use of group work as a method of intervention by CMs. A purposive sample of 29 participants was recruited...
February 22, 2017: Health & Social Care in the Community
https://www.readbyqxmd.com/read/28226063/pelvic-floor-rehabilitation-program-report-of-10-years-of-experience
#17
Maria Helena Baena de Moraes Lopes, Juliana Neves da Costa, Júnia Leonne Dourado de Almeida Lima, Lea Dolores Reganhan de Oliveira, Aletha Silva Caetano
Objective: to relate the creation, experience of establishment and service performed in the Pelvic Floor Rehabilitation Program [(PRAP)], a project of the School of Nursing of University of Campinas (UNICAMP), developed at a health unity in Campinas, São Paulo, Brazil. Results: this Program appeared due to the high demand of patients with urinary incontinence (UI) and need of formation or qualification of professionals to serve those customers and multiply the actions at other health unities...
January 2017: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/28225512/panlar-presidency-first-self-assessment-report-2014-2016-challenges-opportunities-and-results
#18
Carlos Pineda, Hugo Sandoval, Rosa Sheen, Roberto Muñoz-Louis
We present here the first PANLAR Presidency Self-Assessment Report 2014-2016, emphasizing the challenges, opportunities, and results achieved in terms of (1) governance, (2) education and scientific research, (3) finance, and (4) communications throughout this tenure. The main result must be understood as a strategic planning exercise that strengthened institutional responsibility in policies, decisions, and actions, thanks to the teamwork of Latin America's National Rheumatology Societies, the PANLAR Executive Committee, and PANLAR Board Members...
March 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28224710/extended-low-dose-exposure-to-saxitoxin-inhibits-neurite-outgrowth-in-model-neuronal-cells
#19
Katie O'Neill, Ian F Musgrave, Andrew Humpage
The potent neurotoxin saxitoxin (STX) belongs to a group of structurally related analogues produced by both marine and freshwater phytoplankton. The toxins act by blocking voltage-gated sodium channels stopping the inflow of sodium ions and the generation of action potentials. Exposure from marine sources occurs as a result of consuming shellfish which have concentrated the toxins, and freshwater exposure can occur from drinking water although there have been no acute poisonings from the latter source to date...
November 7, 2016: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28224046/eighth-international-chorea-acanthocytosis-symposium-summary-of-workshop-discussion-and-action-points
#20
Samuel S Pappas, Juan Bonifacino, Adrian Danek, William T Dauer, Mithu De, Lucia De Franceschi, Gilbert DiPaolo, Robert Fuller, Volker Haucke, Andreas Hermann, Benoit Kornmann, Bernhard Landwehrmeyer, Johannes Levin, Aaron M Neiman, Dobrila D Rudnicki, Ody Sibon, Antonio Velayos-Baeza, Jan J Vonk, Ruth H Walker, Lois S Weisman, Roger L Albin
Chorea-Acanthocytosis (ChAc) is a rare hereditary neurological disorder characterized by abnormal movements, red blood cell pathology, and progressive neurodegeneration. Little is understood of the pathogenesis of ChAc and related disorders (collectively Neuroacanthocytosis). The Eighth International Chorea-Acanthocytosis Symposium was held in May 2016 in Ann Arbor, MI, USA, and focused on molecular mechanisms driving ChAc pathophysiology. Accompanying the meeting, members of the neuroacanthocytosis research community and other invited scientists met in a workshop to discuss the current understanding and next steps needed to better understand ChAc pathogenesis...
2017: Tremor and Other Hyperkinetic Movements
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