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https://www.readbyqxmd.com/read/28540554/understanding-brassinosteroid-regulated-mechanisms-to-improve-stress-tolerance-in-plants-a-critical-review
#1
Fahim Nawaz, Muhammad Naeem, Bilal Zulfiqar, Asim Akram, Muhammad Yasin Ashraf, Muhammad Raheel, Rana Nauman Shabbir, Rai Altaf Hussain, Irfan Anwar, Muhammad Aurangzaib
Brassinosteroids (BRs) are steroidal plant hormones involved in regulation of physiological and molecular processes to ameliorate various biotic and abiotic stresses. Exogenous application of BRs to improve stress tolerance in plants has recently become a high research priority. Several studies have revealed the involvement of these steroidal hormones in upregulation of stress-related defense genes and their cross talk with other metabolic pathways. This is likely to stimulate research on many unanswered questions regarding their role in enhancing the ability of plants to tolerate adverse environmental conditions...
May 24, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28539882/function-and-dysfunction-of-microglia-during-brain-development-consequences-for-synapses-and-neural-circuits
#2
REVIEW
Rosa C Paolicelli, Maria T Ferretti
Many diverse factors, ranging from stress to infections, can perturb brain homeostasis and alter the physiological activity of microglia, the immune cells of the central nervous system. Microglia play critical roles in the process of synaptic maturation and brain wiring during development. Any perturbation affecting microglial physiological function during critical developmental periods could result in defective maturation of synaptic circuits. In this review, we critically appraise the recent literature on the alterations of microglial activity induced by environmental and genetic factors occurring at pre- and early post-natal stages...
2017: Frontiers in Synaptic Neuroscience
https://www.readbyqxmd.com/read/28536575/inflammatory-long-pentraxin-3-is-associated-with-leukocyte-telomere-length-in-night-shift-workers
#3
Sofia Pavanello, Mariarita Stendardo, Giuseppe Mastrangelo, Melissa Bonci, Barbara Bottazzi, Manuela Campisi, Marco Nardini, Roberto Leone, Alberto Mantovani, Piera Boschetto
Aging is an emerging worldwide threat to public health, even in the workplace, as it links with risk of illness and death. Bewildered inflammatory responses and stressful conditions associate with age-related disorders. Additionally, circadian rhythm disruption, a critical health issue in night-shift workers, correlates with premature aging. We investigated the hypothesis of a link between altered inflammatory response, detected by plasmatic long pentraxin 3 (PTX3), and biological aging, measured by leukocyte telomere length (LTL), attrition, and possibly induced by night-shift work...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28524743/nanoparticle-exposures-from-nano-enabled-toner-based-printing-equipment-and-human-health-state-of-science-and-future-research-needs
#4
Sandra Vanessa Pirela, John Martin, Dhimiter Bello, Philip Demokritou
Toner formulations used by laser printers (LP) and photocopiers (PC), collectively called "toner-based printing equipment" (TPE), are nano-enabled products (NEP) because they contain several engineered nanomaterials (ENM) that improve toner performance. It has been shown that during consumer use (printing), these ENM are released in the air, together with other semi-volatile organic nanoparticles, and newly formed gaseous co-pollutants such as volatile organic compounds (VOC). The aim of this review is to detail and analyze physico-chemical and morphological (PCM), as well as the toxicological properties of particulate matter (PM) emissions from TPE...
May 19, 2017: Critical Reviews in Toxicology
https://www.readbyqxmd.com/read/28510760/what-factors-hinder-the-decision-making-process-for-women-with-cancer-and-contemplating-fertility-preservation-treatment
#5
Georgina Jones, Jane Hughes, Neda Mahmoodi, Emily Smith, Jonathan Skull, William Ledger
BACKGROUND: Although fertility preservation (FP) treatment options have increased, the existing evidence suggests that many women with cancer do not feel well supported in making these decisions, but find them stressful and complex and fail to take up fertility care at this crucial time. Whilst existing reviews have all made important contributions to our understanding of the FP decision-making process, none of them examine solely and specifically these processes for women of reproductive age with a diagnosis of any cancer, leaving a gap in the knowledge base...
May 16, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28506437/association-between-interleukin-6-and-striatal-prediction-error-signals-following-acute-stress-in-healthy-female-participants
#6
Michael T Treadway, Roee Admon, Amanda R Arulpragasam, Malavika Mehta, Samuel Douglas, Gordana Vitaliano, David P Olson, Jessica A Cooper, Diego A Pizzagalli
BACKGROUND: Stress is widely known to alter behavioral responses to rewards and punishments. It is believed that stress may precipitate these changes through modulation of corticostriatal circuitry involved in reinforcement learning and motivation, although the intervening mechanisms remain unclear. One candidate is inflammation, which can rapidly increase following stress and can disrupt dopamine-dependent reward pathways. METHODS: Here, in a sample of 88 healthy female participants, we first assessed the effect of an acute laboratory stress paradigm on levels of plasma interleukin-6 (IL-6), a cytokine known to be both responsive to stress and elevated in depression...
March 28, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28501551/contribution-of-stress-and-sex-hormones-to-memory-encoding
#7
Christian J Merz
Distinct stages of the menstrual cycle and the intake of oral contraceptives (OC) affect sex hormone levels, stress responses, and memory processes critically involved in the pathogenesis of mental disorders. To characterize the interaction of sex and stress hormones on memory encoding, 30 men, 30 women in the early follicular phase of the menstrual cycle (FO), 30 women in the luteal phase (LU), and 30 OC women were exposed to either a stress (socially evaluated cold-pressor test) or a control condition prior to memory encoding and immediate recall of neutral, positive, and negative words...
May 6, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28499376/benefits-of-preparing-for-childbirth-with-mindfulness-training-a-randomized-controlled-trial-with-active-comparison
#8
Larissa G Duncan, Michael A Cohn, Maria T Chao, Joseph G Cook, Jane Riccobono, Nancy Bardacke
BACKGROUND: Childbirth fear is linked with lower labor pain tolerance and worse postpartum adjustment. Empirically validated childbirth preparation options are lacking for pregnant women facing this problem. Mindfulness approaches, now widely disseminated, can alleviate symptoms of both chronic and acute pain and improve psychological adjustment, suggesting potential benefit when applied to childbirth education. METHODS: This study, the Prenatal Education About Reducing Labor Stress (PEARLS) study, is a randomized controlled trial (RCT; n = 30) of a short, time-intensive, 2...
May 12, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28498527/adolescent-conflict-appraisals-moderate-the-link-between-marital-conflict-and-physiological-stress-reactivity
#9
Rachel G Lucas-Thompson, Erika S Lunkenheimer, Douglas A Granger
The goal of this study was to advance understanding of how adolescent conflict appraisals contribute uniquely, and in combination with interparental conflict behavior, to individual differences in adolescent physiological reactivity. Saliva samples were collected from 153 adolescents (52% female; ages 10-17 years) before and after the Trier Social Stress Test. Saliva was assayed for cortisol and alpha-amylase. Results revealed interactive effects between marital conflict and conflict appraisals. For youth who appraised parental conflict negatively (particularly as threatening), negative marital conflict predicted dampened reactivity; for youth who appraised parental conflict less negatively, negative marital conflict predicted heightened reactivity...
March 2017: Journal of Research on Adolescence: the Official Journal of the Society for Research on Adolescence
https://www.readbyqxmd.com/read/28498162/effectiveness-of-psychosocial-interventions-on-the-psychological-health-and-wellbeing-of-family-carers-of-people-with-dementia-following-residential-care-placement-a-systematic-review-protocol
#10
Deborah Brooks, Elaine Fielding, Elizabeth Beattie, Helen Edwards, Sonia Hines
The objective of this review is to identify, appraise and synthesize existing evidence regarding the effectiveness of psychosocial interventions on the psychological health and emotional wellbeing of family carers of people with dementia who have moved into residential care.More specifically, the objectives are to determine the effectiveness of psychosocial interventions on any of these family carer outcomes after placement in residential care: burden, anxiety, stress, depression, guilt, grief and loss, quality of life and satisfaction with the care of the person with dementia...
May 2017: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28486693/oncologists-views-on-the-importance-of-general-practitioners-for-cancer-patients-a-qualitative-interview-study-from-germany
#11
Jennifer Engler, Insa Kone, Christine Holmberg, Walter Baumann, Andrea Siebenhofer, Corina Güthlin
Background.: Integrated cancer care requires cooperation between specialists and general practitioners (GPs). Mutual understanding of each other's tasks and responsibilities is essential if cooperation is to be successful. While GPs' opinions about oncologists have been addressed in previous studies, less is known about oncologists' views on the role of GPs' in cancer care, especially with regard to GPs' patient-centred, communication-based tasks. Objective.: To assess oncologists' views on the importance of GPs for cancer patients...
May 9, 2017: Family Practice
https://www.readbyqxmd.com/read/28485385/posttraumatic-stress-following-spinal-cord-injury-a-systematic-review-of-risk-and-vulnerability-factors
#12
REVIEW
K Pollock, D Dorstyn, L Butt, S Prentice
OBJECTIVES: To summarise quantitatively the available evidence relating to pretraumatic, peritraumatic and posttraumatic characteristics that may increase or decrease the risk of developing posttraumatic stress disorder (PTSD) following spinal cord injury (SCI). STUDY DESIGN: Systematic review. METHODS: Seventeen studies were identified from the PubMed, PsycInfo, Embase, Scopus, CINAHL, Web of Science and PILOTS databases. Effect size estimates (r) with associated 95% confidence intervals (CIs), P-values and fail-safe Ns were calculated...
May 9, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28483979/chronic-and-acute-stress-promote-overexploitation-in-serial-decision-making
#13
Jennifer K Lenow, Sara M Constantino, Nathaniel D Daw, Elizabeth A Phelps
Many decisions that humans make resemble foraging problems in which a currently available, known option must be weighed against an unknown alternative option. In such foraging decisions, the quality of the overall environment can be used as a proxy for estimating the value of future unknown options against which current prospects are compared. We hypothesized that such foraging-like decisions would be characteristically sensitive to stress -- a physiological response that tracks biologically relevant changes in environmental context...
May 8, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28482254/the-role-of-poly-victimization-in-predicting-differences-in-foster-youths-appraisals
#14
Stephanie Gusler, Yo Jackson
The present article examines the role of poly-victimization (i.e., number of categories of maltreatment experiences and total maltreatment exposure) in predicting differences in appraisals for 272 youth in foster care (ages 8-21). Poly-victimization was hypothesized to be predictive of negative appraisal valence (i.e., interpreting the impact of a stressful life event as being bad/negative) and appraisal rigidity (i.e., interpreting the impact of life events as being consistently positive or negative across different events) above and beyond any single category of maltreatment...
May 5, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28461204/challenge-and-threat-imagery-manipulates-heart-rate-and-anxiety-responses-to-stress
#15
Sarah E Williams, Jet J C S Veldhuijzen van Zanten, Gavin P Trotman, Mary L Quinton, Annie T Ginty
This study investigated the influence of different types of mental imagery on heart rate and anxiety responses to a standard psychological stress task. Using a within-design, 25 females (Mage=23.24; SD=4.19) imaged three different scripts (challenge, threat, and neutral) to manipulate appraisal of a speech preparation task. Following each script, participants completed the task. Heart rate was recorded during a resting baseline prior to each imagery script and during each speech preparation task. Cognitive and somatic anxiety and self-confidence were assessed prior to the speech preparation trials, and immediately prior to each speech preparation following imagery...
April 29, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28461088/brain-cortisol-receptor-expression-differs-in-arctic-charr-displaying-opposite-coping-styles
#16
Marco A Vindas, Carin Magnhagen, Eva Brännäs, Øyvind Øverli, Svante Winberg, Jan Nilsson, Tobias Backström
Individually consistent behavioral and physiological responses to stressful situations (often referred to as coping styles) has been reported in many animal species. Differences in hypothalamic-pituitary axis reactivity characterize individuals, and it has been proposed that the glucocorticoid (gr) and mineralocorticoid (mr) receptors are fundamental in regulating coping styles. We sorted individuals into reactive and proactive coping styles by collapsing behavioral outputs from net restraint and confinement stress tests in a principal component analysis...
April 28, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28452062/support-provided-by-nurses-to-parents-of-hospitalized-children-cultural-adaptation-and-validation-of-nurse-parent-support-tool-and-initial-research-results
#17
Anna Aftyka, Ilona Rozalska-Walaszek, Aleksandra Wróbel, Anna Bednarek, Katarzyna Dąbek, Danuta Zarzycka
INTRODUCTION: Child's illness and hospitalisation are difficult and stressful situations both for the patients themselves and for their parents. Supporting the ill child and their guardians is an indispensable element of caring for ill children. The Nurse-Parent Support Model developed by Margaret Miles is based on four elements, namely emotional support, appraisal support, informational support and instrumental support. AIM: The aim of the research was (i) cultural adaptation and validation of The Nurse-Parent Support Tool into Polish and (ii) initial assessment of parents' perception of nursing support given to the parents of children hospitalised in five paediatric wards in Poland...
April 27, 2017: Scandinavian Journal of Caring Sciences
https://www.readbyqxmd.com/read/28448827/dopamine-cognitive-biases-and-assessment-of-certainty-a-neurocognitive-model-of-delusions
#18
REVIEW
Annabel Broyd, Ryan P Balzan, Todd S Woodward, Paul Allen
This paper examines the evidence that delusions can be explained within the framework of a neurocognitive model of how the brain assesses certainty. Here, 'certainty' refers to both low-level interpretations of one's environment and high-level (conscious) appraisals of one's beliefs and experiences. A model is proposed explaining how the brain systems responsible for assigning certainty might dysfunction, contributing to the cause and maintenance of delusional beliefs. It is suggested that delusions arise through a combination of perturbed striatal dopamine and aberrant salience as well as cognitive biases such as the tendency to jump to conclusions (JTC) and hypersalience of evidence-hypothesis matches...
April 18, 2017: Clinical Psychology Review
https://www.readbyqxmd.com/read/28448308/the-effects-of-prenatal-maternal-stress-on-early-temperament-the-2011-queensland-flood-study
#19
Gabrielle Simcock, Guillaume Elgbeili, David P Laplante, Sue Kildea, Vanessa Cobham, Helen Stapleton, Marie-Paule Austin, Alain Brunet, Suzanne King
OBJECTIVE: This study examined the effects of disaster-related prenatal maternal stress on infant temperament and whether the sex of the infant or the timing of the stressor in pregnancy would moderate the effects. METHODS: Mothers' objective experiences of a sudden-onset flood in Queensland, Australia, their subjective emotional reactions, and cognitive appraisal of the event were assessed. At 6 months postpartum, 121 mothers reported their infant's temperament on the 5 dimensions of the Short Temperament Scale for Infants...
April 26, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28437667/social-identity-shapes-stress-appraisals-in-people-with-a-history-of-depression
#20
Alexandra Isaksson, Peter Martin, Jan Kaufmehl, Markus Heinrichs, Gregor Domes, Nicolas Rüsch
Ingroup perception or the views people with depression have about their group, may influence their vulnerability to social identity threat and lead to enhanced stress reactions and impaired performance. It is unclear how ingroup perception can influence stress appraisals in performance situations among people with a history of depression who are currently in remission. We investigated the impact of ingroup perception on primary stress appraisal, i.e. how threatening a test situation is perceived, as well as on secondary stress appraisal, or perceived coping resources...
April 12, 2017: Psychiatry Research
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