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Resilience

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https://www.readbyqxmd.com/read/28531966/how-do-disturbances-and-climate-effects-on-carbon-and-water-fluxes-differ-between-multi-aged-and-even-aged-coniferous-forests
#1
Xuguang Tang, Hengpeng Li, Mingguo Ma, Li Yao, Matthias Peichl, Altaf Arain, Xibao Xu, Michael Goulden
Disturbances and climatic changes significantly affect forest ecosystem productivity, water use efficiency (WUE) and carbon (C) flux dynamics. A deep understanding of terrestrial feedbacks to such effects and recovery mechanisms in forests across contrasting climatic regimes is essential to predict future regional/global C and water budgets, which are also closely related to the potential forest management decisions. However, the resilience of multi-aged and even-aged forests to disturbances has been debated for >60years because of technical measurement constraints...
May 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28531960/multiple-stress-response-of-lowland-stream-benthic-macroinvertebrates-depends-on-habitat-type
#2
Daniel Graeber, Tinna M Jensen, Jes J Rasmussen, Tenna Riis, Peter Wiberg-Larsen, Annette Baattrup-Pedersen
Worldwide, lowland stream ecosystems are exposed to multiple anthropogenic stress due to the combination of water scarcity, eutrophication, and fine sedimentation. The understanding of the effects of such multiple stress on stream benthic macroinvertebrates has been growing in recent years. However, the interdependence of multiple stress and stream habitat characteristics has received little attention, although single stressor studies indicate that habitat characteristics may be decisive in shaping the macroinvertebrate response...
May 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28531419/current-practices-and-experience-of-transition-of-young-people-on-long-term-home-parenteral-nutrition-pn-to-adult-services-a-perspective-from-specialist-centres
#3
E Kyrana, S V Beath, S Gabe, M Small, S Hill
BACKGROUND: There has been an estimated fivefold increase in the number of children receiving parenteral nutrition (PN) at home in the past 10 years with some children approaching the age when they should be referred to adult services whilst still on treatment. Models of care for moving young people onto adult providers of PN at home are not yet well developed, and transition is a potentially dangerous time for young people with complex health needs. METHODS: A questionnaire to ascertain current experience and practices of transition in the context of home PN services was dispatched to 170 consultant gastroenterologists who were members of the British Association of Parenteral and Enteral Nutrition (BAPEN) and also to all 40 members of the Nutrition and IF working group of the British Society of Paediatric Gastroenterology and Nutrition (BSPGHAN)...
August 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28530826/high-speed-atomic-force-microscopy-reveals-loss-of-nuclear-pore-resilience-as-a-dying-code-in-colorectal-cancer-cells
#4
Mahmoud Shaaban Mohamed, Akiko Kobayashi, Azuma Taoka, Takahiro Watanabe-Nakayama, Yosuke Kikuchi, Masaharu Hazawa, Toshinari Minamoto, Yoshihiro Fukumori, Noriyuki Kodera, Takayuki Uchihashi, Toshio Ando, Richard W Wong
Nuclear pore complexes (NPCs) are the sole turnstile implanted in the nuclear envelope (NE), acting as a central nano-regulator of transport between the cytosol and the nucleus. NPCs consist of ~30 proteins, termed nucleoporins. About one-third of nucleoporins harbour natively unstructured, intrinsically disordered phenylalanine-glycine strings (FG-Nups), which engage in transport selectivity. Because the barriers insert deeply in the NPC, they are nearly inaccessible. Several in vitro barrier models have been proposed; however, the dynamic FG-Nups protein molecules themselves are imperceptible in vivo...
May 22, 2017: ACS Nano
https://www.readbyqxmd.com/read/28530462/using-yoga-nidra-to-improve-stress-in-psychiatric-nurses-in-a-pilot-study
#5
Roberta Anderson, Kristine Mammen, Padmini Paul, Allisyn Pletch, Kathleen Pulia
Given today's hurried and stressful heathcare system, nurses need mechanisms to take care of themselves, promote their own wellness, and build resilience in managing sick patients. Yoga is one such mechanism; it can decrease anxiety and improve sleep and quality of life. In this pilot study, nine nurses participated in 6 weekly sessions of yoga nidra. Measures of sleep, stress, and muscle fatigue were obtained to determine whether yoga had a positive impact upon quality of life and stress. Although based on a small sample of nurses, results indicated positive findings for both perceived stress level and muscle fatigue...
May 22, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28530123/-we-are-a-team-couple-identity-and-memory-loss
#6
Elise Hernandez, Beth Spencer, Berit Ingersoll-Dayton, Alexandra Faber, Allison Ewert
Couplehood can be an important source of resilience in the face of memory loss, but couple identity has only recently been explored and has rarely been measured. This paper examines older spouses' descriptions of their couple identity and discusses salient themes. Data come from 19 couples from the Couples Life Story Project, a life review intervention where one partner has memory loss. Using baseline data, we analyzed how partners depicted their couple identity using a series of separate and overlapping circles...
January 1, 2017: Dementia
https://www.readbyqxmd.com/read/28529703/prima-facie-reasons-to-question-enclosed-intellectual-property-regimes-and-favor-open-source-regimes-for-germplasm
#7
Madeleine-Thérèse Halpert, M Jahi Chappell
In principle, intellectual property protections (IPPs) promote and protect important but costly investment in research and development. However, the empirical reality of IPPs has often gone without critical evaluation, and the potential of alternative approaches to lend equal or greater support for useful innovation is rarely considered. In this paper, we review the mounting evidence that the global intellectual property regime (IPR) for germplasm has been neither necessary nor sufficient to generate socially beneficial improvements in crop plants and maintain agrobiodiversity...
2017: F1000Research
https://www.readbyqxmd.com/read/28528117/composite-elastomeric-polyurethane-scaffolds-incorporating-small-intestinal-submucosa-for-soft-tissue-engineering
#8
Lincui Da, Mei Gong, Anjing Chen, Yi Zhang, Yizhou Huang, Zhijun Guo, Shengfu Li, Jesse Li-Ling, Li Zhang, Huiqi Xie
Although soft tissue replacement has been clinically successful in many cases, the corresponding procedure has many limitations including the lack of resilience and mechanical integrity, significant donor-site morbidity, volume loss with time, and fibrous capsular contracture. These disadvantages can be alleviated by utilizing bio-absorbable scaffolds with high resilience and large strain, which are capable of stimulating natural tissue regeneration. Hence, the chemically crosslinked tridimensional scaffolds obtained by incorporating water-based polyurethane (PU) (which was synthesized from polytetramethylene ether glycol, isophorone diisocyanate, and 2,2-bis(hydroxymethyl) butyric acid) into a bioactive extracellular matrix consisting of small intestinal submucosa (SIS) have been tested in this study to develop a new approach for soft tissue engineering...
May 17, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28527907/behavioral-and-cognitive-impact-of-early-life-stress-insights-from-an-animal-model
#9
Hesong Liu, Fatin Atrooz, Ankita Salvi, Samina Salim
BACKGROUND: Children subjected to traumatic events during childhood are reported to exhibit behavioral and cognitive deficits later in life, often leading to post-traumatic stress disorder (PTSD) and major depression. Interestingly, some children continue to remain normal despite being exposed to the same risk factors. These trauma-related behavioral and cognitive profiles across different stages of life are not well understood. Animal studies can offer useful insights. OBJECTIVE: The goal of this study was to determine the impact of early life exposure to traumatic events on behavioral and cognitive profile in rats by tracking the behavior of each rat at different ages...
May 17, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28526169/the-second-victim-a-review
#10
REVIEW
B Coughlan, D Powell, M F Higgins
Amongst the lay and media population there is a perception that pregnancy, labour and delivery is always physiological, morbidity and mortality should be "never events" and that error is the only cause of adverse events. Those working in maternity care know that it is an imperfect art, where adverse outcomes and errors will occur. When errors do occur, there is a domino effect with three groups being involved - the patient (first victim), the staff (second victims) and the organization (third victims). If the perceived expectation of patients on all clinicians is that of perfection, then clinicians may suffer the consequences of adverse outcomes in isolation and silence...
June 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28525776/from-liability-to-challenge-complex-environments-are-associated-with-favorable-psychosocial-outcomes-in-adolescent-sport-participants
#11
Enrique García Bengoechea, Philip M Wilson, Steven Dunn
This study aimed to identify different groups of adolescents who have distinct profiles based upon their perceptions of interpersonal and activity-based dimensions of the sport environment. A sample of 310 adolescents from Eastern Canada (Mage = 14.69 ± 1.60 years; 54.8% girls) completed questionnaires assessing selected interpersonal, activity-based, demographic and sport-specific variables. Using TwoStep Cluster Analysis, we identified three groupings of adolescent sport participants. Consistent with the literature, we labeled these groups 'negative context,' 'positive context,' and 'complex context,' respectively...
May 16, 2017: Journal of Adolescence
https://www.readbyqxmd.com/read/28525586/prevalence-and-correlates-of-frailty-among-community-dwelling-chinese-older-adults-the-china-health-and-retirement-longitudinal-study
#12
Chenkai Wu, Ellen Smit, Qian-Li Xue, Michelle C Odden
Background.: Frailty is an age-related clinical syndrome of decreased resilience to stressors and is associated with numerous adverse outcomes. Although there is preponderance of literature on frailty in developed countries, limited investigations have been conducted in less developed regions including China-a country that has the world's largest aging population. We examined frailty prevalence in China by socio-demographics and geographic region, and investigated correlates of frailty...
May 19, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28525406/blood-pressure-among-australian-aboriginal-children
#13
Nicholas Larkins, Armando Teixeira-Pinto, Emily Banks, Hasantha Gunasekera, Alan Cass, Jane Kearnes, Jonathan C Craig
OBJECTIVES: To determine the prevalence of elevated blood pressure (BP) and potential predictors of SBP and DBP in urban Australian aboriginal children. METHODS: The Study of Environment on Aboriginal Resilience and Child Health is a prospective cohort study of urban Aboriginal children attending four Aboriginal Community Controlled Health Services in New South Wales, Australia. Clinical measures included a manual BP measured by research officers using standardized protocols...
May 18, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28524230/the-etiology-of-autistic-traits-in-preschoolers-a-population-based-twin-study
#14
Eveline L de Zeeuw, Catharina E M van Beijsterveldt, Rosa A Hoekstra, Meike Bartels, Dorret I Boomsma
BACKGROUND: Autism Spectrum Disorders (ASD) are highly heritable, but the exact etiological mechanisms underlying the condition are still unclear. METHODS: Using a multiple rater twin design in a large sample of general population preschool twins, this study aimed to (a) estimate the contribution of genetic and environmental factors to autistic traits, controlling for the possible effects of rater bias, (b) to explore possible sex differences in etiology and (c) to investigate the discordance in autistic traits in monozygotic and same-sex dizygotic twin pairs...
May 19, 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28522975/hypoxia-and-inactivity-related-physiological-changes-constipation-inflammation-are-not-reflected-at-the-level-of-gut-metabolites-and-butyrate-producing-microbial-community-the-planhab-study
#15
Robert Šket, Nicole Treichel, Tadej Debevec, Ola Eiken, Igor Mekjavic, Michael Schloter, Marius Vital, Jenna Chandler, James M Tiedje, Boštjan Murovec, Zala Prevoršek, Blaž Stres
We explored the assembly of intestinal microbiota in healthy male participants during the run-in (5 day) and experimental phases [21-day normoxic bed rest (NBR), hypoxic bedrest (HBR)], and hypoxic ambulation (HAmb) in a strictly controlled laboratory environment, balanced fluid, and dietary intakes, controlled circadian rhythm, microbial ambiental burden, and 24/7 medical surveillance. The fraction of inspired O2 (FiO2) and partial pressure of inspired O2 (PiO2) were 0.209 and 133.1 ± 0.3 mmHg for NBR and 0...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28522567/myeloid-epithelial-crosstalk-coordinates-synthesis-of-the-tissue-protective-cytokine-leukemia-inhibitory-factor-during-pneumonia
#16
Katrina E Traber, Elise M Symer, Eri Allen, Yuri Kim, Kristie L Hilliard, Gregory A Wasserman, Colin L Stewart, Matthew R Jones, Joseph P Mizgerd, Lee Joseph Quinton
In bacterial pneumonia, lung damage resulting from epithelial cell injury is a major contributor to the severity of disease, and in some cases, can lead to long-term sequelae, especially in the setting of severe lung injury or ARDS. Leukemia inhibitory factor (LIF), a member of the IL-6 cytokine family, is a critical determinant of lung tissue protection during pneumonia, but the cellular sources of LIF and the signaling pathways leading to its production in the infected lung are not known. Here, we demonstrate that lung epithelium, specifically alveolar type II cells, is the predominant site of LIF transcript induction in pneumonic mouse lungs...
May 18, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28521645/exploring-protective-strategies-among-rural-women-in-an-abusive-relationship
#17
Kim M Anderson, Lynette M Renner, Tina L Bloom
The purpose of this study was to explore rural women's accounts of intimate partner violence and the strategies they used to protect themselves from such adversity. Convenience sampling included women currently in an abusive relationship (N = 22), who were receiving mental health services at a rural victim-service provider. Standardized measures indicated, on average, that study participants were symptomatic for depression, anxiety and posttraumatic stress disorder (PTSD), yet exhibited higher resilience than other PTSD populations...
May 19, 2017: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/28521644/slope-stability-and-bearing-capacity-of-landfills-and-simple-on-site-test-methods
#18
Atsushi Yamawaki, Yoichi Doi, Kiyoshi Omine
This study discusses strength characteristics (slope stability, bearing capacity, etc.) of waste landfills through on-site tests that were carried out at 29 locations in 19 sites in Japan and three other countries, and proposes simple methods to test and assess the mechanical strength of landfills on site. Also, the possibility of using a landfill site was investigated by a full-scale eccentric loading test. As a result of this, landfills containing more than about 10 cm long plastics or other fibrous materials were found to be resilient and hard to yield...
May 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28521046/cellular-and-population-level-processes-influence-the-rate-accumulation-and-observed-frequency-of-inherited-and-somatic-mtdna-mutations
#19
Richard G Melvin, John William O Ballard
Mitochondria are found in all animals and have the unique feature of containing multiple copies of their own small, circular DNA genome (mtDNA). The rate and pattern of mutation accumulation in the mtDNA are influenced by molecular, cellular and population level processes. We distinguish between inherited and somatic mtDNA mutations and review evidence for the often-made assumption that mutations accumulate at a higher rate in mtDNA than in nuclear DNA (nDNA). We conclude that the whole genome mutation accumulation rate is higher for mtDNA than for nDNA but include the caveat that rates overlap considerably between the individual mtDNA- and nDNA-encoded genes...
May 1, 2017: Mutagenesis
https://www.readbyqxmd.com/read/28520770/life-history-trade-off-moderates-model-predictions-of-diversity-loss-from-climate-change
#20
Helen Moor
Climate change can trigger species range shifts, local extinctions and changes in diversity. Species interactions and dispersal capacity are important mediators of community responses to climate change. The interaction between multispecies competition and variation in dispersal capacity has recently been shown to exacerbate the effects of climate change on diversity and to increase predictions of extinction risk dramatically. Dispersal capacity, however, is part of a species' overall ecological strategy and are likely to trade off with other aspects of its life history that influence population growth and persistence...
2017: PloS One
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