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Research Proposal on stress

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https://www.readbyqxmd.com/read/28333692/application-of-olfactory-tissue-and-its-neural-progenitors-to-schizophrenia-and-psychiatric-research
#1
Joëlle Lavoie, Akira Sawa, Koko Ishizuka
PURPOSE OF REVIEW: The goal of this review article is to introduce olfactory epithelium-derived cell/tissue models as a promising surrogate system to study the molecular mechanisms implicated in schizophrenia and other neuropsychiatric disorders. Here, we particularly focus on the utility of their neural progenitors. RECENT FINDINGS: Recent investigations of the pathophysiology of schizophrenia using olfactory epithelium-derived tissue/cell models have provided insights about schizophrenia-associated alterations in neurodevelopment, stress response, and gene/protein expression regulatory pathways...
March 22, 2017: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/28333525/a-potential-psychological-mechanism-linking-disaster-related-prenatal-maternal-stress-with-child-cognitive-and-motor-development-at-16-months-the-qf2011-queensland-flood-study
#2
Katrina M Moss, Gabrielle Simcock, Vanessa Cobham, Sue Kildea, Guillaume Elgbeili, David P Laplante, Suzanne King
Fetal exposure to prenatal maternal stress can have lifelong consequences, with different types of maternal stress associated with different areas of child development. Fewer studies have focused on motor skills, even though they are strongly predictive of later development across a range of domains. Research on mechanisms of transmission has identified biological cascades of stress reactions, yet links between psychological stress reactions are rarely studied. This study investigates the relationship between different aspects of disaster-related prenatal maternal stress and child cognitive and motor development, and proposes a cascade of stress reactions as a potential mechanism of transmission...
April 2017: Developmental Psychology
https://www.readbyqxmd.com/read/28324848/is-level-of-prematurity-a-risk-plasticity-factor-at-three-years-of-age
#3
Kristin Hadfield, Fearghal O'Brien, Aaron Gerow
Children born preterm have poorer outcomes than children born full-term, but the caregiving environment can ameliorate some of these differences. Recent research has proposed that preterm birth may be a plasticity factor, leading to better outcomes for preterm than full-term infants in higher quality environments. This analysis uses data from two waves of an Irish study of children (at 9 months and 3 years of age, n=11,134 children) and their caregivers (n=11,132 mothers, n=9998 fathers) to investigate differences in how caregiving affects social, cognitive, and motor skills between full-term, late preterm, and very preterm children...
March 18, 2017: Infant Behavior & Development
https://www.readbyqxmd.com/read/28314597/co-enrolment-of-participants-into-multiple-cancer-trials-benefits-and-challenges
#4
F H Cafferty, C Coyle, S Rowley, L Berkman, M MacKensie, R E Langley
Opportunities to enter patients into more than one clinical trial are not routinely considered in cancer research and experiences with co-enrolment are rarely reported. Potential benefits of allowing appropriate co-enrolment have been identified in other settings but there is a lack of evidence base or guidance to inform these decisions in oncology. Here, we discuss the benefits and challenges associated with co-enrolment based on experiences in the Add-Aspirin trial - a large, multicentre trial recruiting across a number of tumour types, where opportunities to co-enrol patients have been proactively explored and managed...
March 14, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28304330/a-context-aware-s-health-service-system-for-drivers
#5
Jingkun Chang, Wenbin Yao, Xiaoyong Li
As a stressful and sensitive task, driving can be disturbed by various factors from the health condition of the driver to the environmental variables of the vehicle. Continuous monitoring of driving hazards and providing the most appropriate business services to meet actual needs can guarantee safe driving and make great use of the existing information resources and business services. However, there is no in-depth research on the perception of a driver's health status or the provision of customized business services in case of various hazardous situations...
March 17, 2017: Sensors
https://www.readbyqxmd.com/read/28300644/the-connective-tissue-phenotype-of-glaucomatous-cupping-in-the-monkey-eye-clinical-and-research-implications
#6
REVIEW
Hongli Yang, Juan Reynaud, Howard Lockwood, Galen Williams, Christy Hardin, Luke Reyes, Cheri Stowell, Stuart K Gardiner, Claude F Burgoyne
In a series of previous publications we have proposed a framework for conceptualizing the optic nerve head (ONH) as a biomechanical structure. That framework proposes important roles for intraocular pressure (IOP), IOP-related stress and strain, cerebrospinal fluid pressure (CSFp), systemic and ocular determinants of blood flow, inflammation, auto-immunity, genetics, and other non-IOP related risk factors in the physiology of ONH aging and the pathophysiology of glaucomatous damage to the ONH. The present report summarizes 20 years of technique development and study results pertinent to the characterization of ONH connective tissue deformation and remodeling in the unilateral monkey experimental glaucoma (EG) model...
March 12, 2017: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/28299924/improvement-of-electrical-characteristics-and-stability-of-amorphous-indium-gallium-zinc-oxide-thin-film-transistors-using-nitrocellulose-passivation-layer
#7
Kwan Yup Shin, Young Jun Tak, Won-Gi Kim, Seonghwan Hong, Hyun Jae Kim
In this research, nitrocellulose is proposed as a new material for the passivation layers of amorphous indium gallium zinc oxide thin film transistors (a-IGZO TFTs). The a-IGZO TFTs with nitrocellulose passivation layers (NC-PVLs) demonstrate improved electrical characteristics and stability. The a-IGZO TFTs with NC-PVLs exhibit improvements in field-effect mobility (μFE) from 11.72 ± 1.14 to 20.68 ± 1.94 cm2/Vs, threshold voltage (Vth) from 1.85 ± 1.19 to 0.56 ± 0.35 V, and on/off current ratio (Ion/off) from (5...
March 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28294312/the-mediating-role-of-cultural-coping-behaviours-on-the-relationships-between-academic-stress-and-positive-psychosocial-well-being-outcomes
#8
Ben C H Kuo, Kendall M Soucie, Siqi Huang, Refa Laith
While culture's effect on the coping process has long been acknowledged in the stress-coping literature conceptually, empirical evidence and attempts to discern the specific relationship between culture and coping remain very scarce. Against this backdrop, the present study applied the Cultural Transactional Theory (Chun, Moos, & Cronkite, 2006) to examine the mediating role of cultural coping behaviours (Collective, Engagement and Avoidance Coping) on the relationship between academic stress (AS) and two positive psychosocial well-being outcome measures: Collective Self-esteem (CSE) and Subjective Well-being (SWB)...
March 10, 2017: International Journal of Psychology: Journal International de Psychologie
https://www.readbyqxmd.com/read/28289275/epigenetic-programming-by-stress-and-glucocorticoids-along-the-human-lifespan
#9
A S Zannas, G P Chrousos
Psychosocial stress triggers a set of behavioral, neural, hormonal, and molecular responses that can be a driving force for survival when adaptive and time-limited, but may also contribute to a host of disease states if dysregulated or chronic. The beneficial or detrimental effects of stress are largely mediated by the hypothalamic-pituitary axis, a highly conserved neurohormonal cascade that culminates in systemic secretion of glucocorticoids. Glucocorticoids activate the glucocorticoid receptor, a ubiquitous nuclear receptor that not only causes widespread changes in transcriptional programs, but also induces lasting epigenetic modifications in many target tissues...
March 14, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28283992/training-load-monitoring-in-team-sports-a-novel-framework-separating-physiological-and-biomechanical-load-adaptation-pathways
#10
Jos Vanrenterghem, Niels Jensby Nedergaard, Mark A Robinson, Barry Drust
There have been considerable advances in monitoring training load in running-based team sports in recent years. Novel technologies nowadays offer ample opportunities to continuously monitor the activities of a player. These activities lead to internal biochemical stresses on the various physiological subsystems; however, they also cause internal mechanical stresses on the various musculoskeletal tissues. Based on the amount and periodization of these stresses, the subsystems and tissues adapt. Therefore, by monitoring external loads, one hopes to estimate internal loads to predict adaptation, through understanding the load-adaptation pathways...
March 10, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28279999/simplified-mortality-score-for-the-intensive-care-unit-sms-icu-protocol-for-the-development-and-validation-of-a-bedside-clinical-prediction-rule
#11
Anders Granholm, Anders Perner, Mette Krag, Peter Buhl Hjortrup, Nicolai Haase, Lars Broksø Holst, Søren Marker, Marie Oxenbøll Collet, Aksel Karl Georg Jensen, Morten Hylander Møller
INTRODUCTION: Mortality prediction scores are widely used in intensive care units (ICUs) and in research, but their predictive value deteriorates as scores age. Existing mortality prediction scores are imprecise and complex, which increases the risk of missing data and decreases the applicability bedside in daily clinical practice. We propose the development and validation of a new, simple and updated clinical prediction rule: the Simplified Mortality Score for use in the Intensive Care Unit (SMS-ICU)...
March 9, 2017: BMJ Open
https://www.readbyqxmd.com/read/28278737/the-tell-tale-heart-physiological-reactivity-during-resolution-of-ambiguity-in-youth-anxiety
#12
Michelle Rozenman, Allison Vreeland, Marisela Iglesias, Melissa Mendez, John Piacentini
In the past decade, cognitive biases and physiological arousal have each been proposed as mechanisms through which paediatric anxiety develops and is maintained over time. Preliminary studies have found associations between anxious interpretations of ambiguity, physiological arousal, and avoidance, supporting theories that link cognition, psychophysiology, and behaviour. However, little is known about the relationship between youths' resolutions of ambiguity and physiological arousal during acute stress. Such information may have important clinical implications for use of verbal self-regulation strategies and cognitive restructuring during treatments for paediatric anxiety...
February 16, 2017: Cognition & Emotion
https://www.readbyqxmd.com/read/28278206/warming-and-drought-combine-to-increase-pest-insect-fitness-on-urban-trees
#13
Adam G Dale, Steven D Frank
Urban habitats are characterized by impervious surfaces, which increase temperatures and reduce water availability to plants. The effects of these conditions on herbivorous insects are not well understood, but may provide insight into future conditions. Three primary hypotheses have been proposed to explain why multiple herbivorous arthropods are more abundant and damaging in cities, and support has been found for each. First, less complex vegetation may reduce biological control of pests. Second, plant stress can increase plant quality for pests...
2017: PloS One
https://www.readbyqxmd.com/read/28276930/considerations-for-culturally-sensitive-research-with-transgender-adults-a-qualitative-analysis
#14
Jennifer M Staples, Elizabeth R Bird, Tatiana N Masters, William H George
Transgender (trans) individuals have historically been left out of research, and previous work has often conflated gender identity with sexual orientation. Furthermore, language used in psychology measures is often heteronormative and uses binary gendered language (e.g., "him"/"her"). The aim of the current study was to provide empirically derived guidance on conducting culturally sensitive research with transgender participants using qualitative data. We recruited trans individuals, ages 18 to 44, to participate in an anonymous, qualitative, national online survey as part of a quantitative study on the relationships among minority stress, sexual behavior, and mental health...
March 3, 2017: Journal of Sex Research
https://www.readbyqxmd.com/read/28269397/hardness-map-of-human-meta-tarsals-and-phalanges-of-toes
#15
Irfan Manarvi
Predicting location of fracture in human bones has been a keen area of research for the past few decades. A variety of tests for hardness, deformation and strain field measurement have been conducted in the past; but considered insufficient due to various limitations. Researchers therefore have proposed further studies due to inaccuracies in measurement methods, testing machines and experimental errors. Advancement and availability of hardware, measuring instrumentation and testing machines can now provide remedies to these limitations...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268644/tunable-somatosensory-stimulation-for-selective-sleep-restriction-studies-in-rodents
#16
Dillon M Huffman, Kendra E Staggs, Farid Yaghouby, Anuj Agarwal, Bruce F O'Hara, Kevin D Donohue, Eric M Blalock, Sridhar Sunderam
Many methods for sleep restriction in rodents have emerged, but most are intrusive, lack fine control, and induce stress. Therefore, a versatile, non-intrusive means of sleep restriction that can alter sleep in a controlled manner could be of great value in sleep research. In previous work, we proposed a novel system for closed-loop somatosensory stimulation based on mechanical vibration and applied it to the task of restricting Rapid Eye Movement (REM) sleep in mice [1]. While this system was effective, it was a crude prototype and did not allow precise control over the amplitude and frequency of stimulation applied to the animal...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28264720/improving-and-sustaining-delivery-of-cpt-for-ptsd-in-mental-health-systems-a-cluster-randomized-trial
#17
Shannon Wiltsey Stirman, Erin P Finley, Norman Shields, Joan Cook, Rachel Haine-Schlagel, James F Burgess, Linda Dimeff, Kelly Koerner, Michael Suvak, Cassidy A Gutner, David Gagnon, Tasoula Masina, Matthew Beristianos, Kera Mallard, Vanessa Ramirez, Candice Monson
BACKGROUND: Large-scale implementation of evidence-based psychotherapies (EBPs) such as cognitive processing therapy (CPT) for posttraumatic stress disorder can have a tremendous impact on mental and physical health, healthcare utilization, and quality of life. While many mental health systems (MHS) have invested heavily in programs to implement EBPs, few eligible patients receive EBPs in routine care settings, and clinicians do not appear to deliver the full treatment protocol to many of their patients...
March 6, 2017: Implementation Science: IS
https://www.readbyqxmd.com/read/28263624/the-association-between-daily-ptsd-symptom-severity-and-alcohol-related-outcomes-in-recent-traumatic-injury-victims
#18
Bryce Hruska, Maria L Pacella, Richard L George, Douglas L Delahanty
The self-medication hypothesis proposes that individuals experiencing posttraumatic stress disorder (PTSD) symptoms may use alcohol (or other substances) to self-medicate distress, while the mutual maintenance hypothesis proposes that alcohol use also exacerbates or maintains distress. Existing research largely supports the self-medication hypothesis. However, findings are often based upon retrospective reporting of problems and assessment of symptoms anchored to a trauma occurring in the remote past. To improve on these retrospective designs, the current study examined the relationship between daily PTSD symptom severity and alcohol-related outcomes during the early phase of recovery following a traumatic physical injury...
March 6, 2017: Psychology of Addictive Behaviors: Journal of the Society of Psychologists in Addictive Behaviors
https://www.readbyqxmd.com/read/28263168/red-blood-cell-components-time-to-revisit-the-sources-of-variability
#19
REVIEW
Rosemary L Sparrow
Quality and safety of red blood cell (RBC) components is managed by screening of donors and strict regulatory controls of blood collection, processing and storage procedures. Despite these efforts, variations in RBC component quality exist as exemplified by the wide range in storage-induced haemolysis. This article provides a brief overview of the variables that contribute or potentially contribute to the quality of stored RBC components, including blood collection, processing, and donor-related variables. Particular focus is made on donor health and lifestyle factors that are not specifically screened and may impact on the physicobiochemical properties of RBCs and their storability...
March 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28261051/the-life-span-model-of-suicide-and-its-neurobiological-foundation
#20
Birgit Ludwig, Bhaskar Roy, Qingzhong Wang, Badari Birur, Yogesh Dwivedi
The very incomprehensibility of the suicidal act has been occupying the minds of researchers and health professionals for a long time. Several theories of suicide have been proposed since the beginning of the past century, and a myriad of neurobiological studies have been conducted over the past two decades in order to elucidate its pathophysiology. Both neurobiology and psychological theories tend to work in parallel lines that need behavioral and empirical data respectively, to confirm their hypotheses. In this review, we are proposing a "Life Span Model of Suicide" with an attempt to integrate the "Stress-Diathesis Model" and the "Interpersonal Model of Suicide" into a neurobiological narrative and support it by providing a thorough compilation of related genetic, epigenetic, and gene expression findings...
2017: Frontiers in Neuroscience
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