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Coping Mechanism

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https://www.readbyqxmd.com/read/29154165/engagement-in-mobile-phone-app-for-self-monitoring-of-emotional-wellbeing-predicts-changes-in-mental-health-moodprism
#1
David Bakker, Nikki Rickard
BACKGROUND: Mobile apps are being used increasingly for mental health purposes, but evidence of their efficacy remains limited. The mechanisms underlying any effects of such apps are also unclear. This study examined the effectiveness of a self-monitoring mobile phone app by investigating the relationships between app engagement and mental health outcomes. METHOD: Participants downloaded the MoodPrism app from the iOS and Android app stores, completing in-app assessments at start of use and again 30days later...
November 9, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29153749/esthetic-abutment-design-for-angulated-screw-channels-a-technical-report
#2
Satoshi Sakamoto, Munehiko Ro, Aladdin Al Ardah, Charles Goodacre
Angulated screw channel system abutments (ASCs) have recently been introduced to address the problem with visible screw access that may compromise esthetics. ASCs allow the screw access to be modified up to 25 degrees relative to the implant axis. However, a widened channel, which may cause thinning of the facial ceramic, is needed at the implant screw head to allow for proper engagement of the screwdriver. This technical report introduces a custom titanium insert design, the Satoshi Sakamoto (SS) abutment...
November 15, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29151872/evolved-pesticide-tolerance-influences-susceptibility-to-parasites-in-amphibians
#3
Jessica Hua, Vanessa P Wuerthner, Devin K Jones, Brian Mattes, Rickey D Cothran, Rick A Relyea, Jason T Hoverman
Because ecosystems throughout the globe are contaminated with pesticides, there is a need to understand how natural populations cope with pesticides and the implications for ecological interactions. From an evolutionary perspective, there is evidence that pesticide tolerance can be achieved via two mechanisms: selection for constitutive tolerance over multiple generations or by inducing tolerance within a single generation via phenotypic plasticity. While both mechanisms can allow organisms to persist in contaminated environments, they might result in different performance trade-offs including population susceptibility to parasites...
September 2017: Evolutionary Applications
https://www.readbyqxmd.com/read/29151242/a-qualitative-examination-of-increased-alcohol-use-after-bariatric-surgery-among-racially-ethnically-diverse-young-adults
#4
Christine E Spadola, Eric F Wagner, Leah M Varga, Jennifer L Syvertsen, Nestor F De La Cruz Munoz, Sarah E Messiah
INTRODUCTION: Mounting evidence suggests that bariatric surgery, or weight loss surgery (WLS), patients might be vulnerable to developing post-operative alcohol use problems. While the majority of published research offers information concerning the prevalence of problematic alcohol use post-WLS, the literature lacks comprehensive, qualitative explorations examining why alcohol misuse might emerge after WLS. Such data-driven hypotheses are needed to effectively target this emerging concern...
November 19, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/29151140/effects-of-oxygen-availability-on-oxidative-stress-biomarkers-in-the-mediterranean-mussel-mytilus-galloprovincialis
#5
Alessia Giannetto, Maria Maisano, Tiziana Cappello, Sabrina Oliva, Vincenzo Parrino, Antonino Natalotto, Giuseppe De Marco, Salvatore Fasulo
In aquatic environments, hypoxia and oxygen-deficient areas are increasing worldwide. Transitions in oxygen levels can influence the production of reactive oxygen species (ROS), eventually leading to oxidative stress. The transcriptional response of oxidative stress biomarkers was evaluated by qPCR in gill tissue from Mytilus galloprovincialis experimentally subjected to 48-h air exposure followed by 48-h re-oxygenation, as compared to normoxic control mussels. Superoxide dismutases (CuZnsod and Mnsod), catalase (cat), and glutathione S-transferase (gst) were over-expressed early after 8-h air exposure and returned to normoxic levels during re-oxygenation...
November 18, 2017: Marine Biotechnology
https://www.readbyqxmd.com/read/29150962/genotype-and-diet-affect-resistance-survival-and-fecundity-but-not-fecundity-tolerance
#6
Megan A M Kutzer, Joachim Kurtz, Sophie A O Armitage
Insects are exposed to a variety of potential pathogens in their environment, many of which can severely impact fitness and health. Consequently, hosts have evolved resistance and tolerance strategies to suppress or cope with infections. Hosts utilising resistance improve fitness by clearing or reducing pathogen loads and hosts utilising tolerance reduce harmful fitness effects per pathogen load. To understand variation in, and selective pressures on resistance and tolerance we asked to what degree they are shaped by host genetic background, whether plasticity in these responses depends upon dietary environment, and whether there are interactions between these two factors...
November 18, 2017: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/29150592/the-influence-of-genetic-stability-on-aspergillus-fumigatus-virulence-and-azole-resistance
#7
Thaila Fernanda Dos Reis, Lilian Pereira Silva, Patrícia Alves de Castro, Pollyne Borborema Almeida de Lima, Rafaela Andrade do Carmo, Marjorie Mendes Marini, José Franco da Silveira, Beatriz Henriques Ferreira, Fernando Rodrigues, Iran Malavazi, Gustavo H Goldman
Genetic stability is extremely important for the survival of every living organism and a very complex set of genes have evolved to cope with DNA repair upon DNA damage. Here, we investigated the Aspergillus fumigatus AtmA (Ataxia-telangiectasia mutated) and AtrA kinases and how they impact virulence and the evolution of azole resistance. We demonstrated that A. fumigatus atmA and atrA null mutants are haploid and have a discrete chromosomal polymorphism. The ΔatmA and ΔatrA strains are sensitive to several DNA damaging agents but surprisingly both strains were more resistant than the wild-type strain to paraquat, menadione, and hydrogen peroxide...
November 17, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/29149877/key-bottlenecks-to-the-provision-of-safe-obstetric-anaesthesia-in-low-income-countries-a-cross-sectional-survey-of-64-hospitals-in-uganda
#8
Isabella Epiu, Agnes Wabule, Andrew Kambugu, Harriet Mayanja-Kizza, Jossy Verel Bahe Tindimwebwa, Gerald Dubowitz
BACKGROUND: Despite recent advances in surgery and anaesthesia which significantly improve safety, many health facilities in low-and middle-income countries (LMICs) remain chronically under-resourced with inability to cope effectively with serious obstetric complications (Knight et al., PLoS One 8:e63846, 2013). As a result many of these countries still have unacceptably high maternal and neonatal mortality rates. Recent data at the national referral hospitals in East Africa reported that none of the national referral hospitals met the World Federation of Societies of Anesthesiologists (WFSA) international standards required to provide safe obstetric anaesthesia (Epiu I: Challenges of Anesthesia in Low-and Middle-Income Countries...
November 17, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29149743/multigenerational-effects-of-salinity-in-six-clonal-lineages-of-daphnia-longispina
#9
C Venâncio, R Ribeiro, A M V M Soares, I Lopes
Sea level rise, as a consequence of climate changes, is already causing seawater intrusion in some freshwater coastal ecosystems worldwide. The increase in salinity at these freshwater coastal ecosystems may occur gradually (through groundwater) or abruptly (through extreme weather events). Moreover, many of them are also being altered and threatened by anthropogenic activities. Accordingly, the present study aimed at assessing the multigenerational lethal and sublethal effects caused by increased salinity in six clonal lineages of the freshwater cladoceran Daphnia longispina differing in their sensitivity to lethal levels of copper...
November 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29146967/splenic-glucocorticoid-resistance-following-psychosocial-stress-requires-physical-injury
#10
Sandra Foertsch, Andrea M Füchsl, Sandra D Faller, Hannah Hölzer, Dominik Langgartner, Joanna Messmann, Gudrun Strauß, Stefan O Reber
Mice exposed to chronic subordinate colony housing (CSC) stress show glucocorticoid (GC) resistance of in vitro lipopolysaccharide (LPS)-stimulated splenocytes, increased anxiety and colitis. Similar effects were reported in wounded mice exposed to social disruption (SDR). Here we show that CSC exposure induced GC resistance in isolated and in vitro LPS-stimulated, but not unstimulated, splenocytes, and these effects were absent when CD11b(+) splenocytes were depleted. Moreover, re-active coping behaviour during CSC correlated with the attacks and bites received by the resident, which in turn highly correlated with the dimension of splenic GC resistance, as with basal and LPS-induced in vitro splenocyte viability...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29146915/transcriptional-profiling-provides-new-insights-into-the-role-of-nitric-oxide-in-enhancing-ganoderma-oregonense-resistance-to-heat-stress
#11
Cheng Chen, Qiang Li, Qiangfeng Wang, Daihua Lu, Hong Zhang, Jian Wang, Rongtao Fu
Ganoderma is well known for its use in traditional Chinese medicine and is widely cultivated in China, Korea, and Japan. Increased temperatures associated with global warming are negatively influencing the growth and development of Ganoderma. Nitric oxide is reported to play an important role in alleviating fungal heat stress (HS). However, the transcriptional profiling of Ganoderma oregonense in response to HS, as well as the transcriptional response regulated by NO to cope with HS has not been reported. We used RNA-Seq technology to generate large-scale transcriptome data from G...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29146768/adhesive-performance-of-tropical-arboreal-ants-varies-with-substrate-temperature
#12
Alyssa Y Stark, Katherine Arstingstall, Stephen P Yanoviak
The surface temperature of tree branches in the tropical rainforest canopy can reach up to 55°C. Ants and other small cursorial organisms must maintain adequate attachment in this extreme microenvironment to forage effectively and prevent falling. Ant adhesion depends on liquid secretions that should become less viscous at high temperatures, causing ants to slip. However, tropical arboreal ants have high thermal tolerance and actively forage on hot canopy surfaces, suggesting that these ants can maintain adhesion on hot substrates...
November 16, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29142909/transgender-women-s-drug-use-in-the-dominican-republic
#13
Henna Budhwani, Kristine R Hearld, Adrienne N Milner, Elaine McGlaughlin, Rebecca Charow, Rosa Mayra Rodriguez-Lauzurique, Santo Rosario, Robert Paulino-Ramirez
Purpose: Studies on drug use in transgender populations, particularly those in resource-limited settings, are scarce. Considering that drug use can be a coping mechanism to deal with stigma and traumatic experiences, we examined associations between stigma, trauma, and drug use in a national sample of transgender women from the Dominican Republic. Methods: Bivariate analyses examined differences between drug users and abstainers (n=287). Multivariate analyses reported odds ratios (OR) with general drug, marijuana, and cocaine use as outcomes (n=243)...
2017: Transgender Health
https://www.readbyqxmd.com/read/29142123/initiation-elongation-and-realignment-during-influenza-virus-mrna-synthesis
#14
Aartjan J W Te Velthuis, Judith Oymans
The RNA-dependent RNA polymerase (RdRp) of the influenza A virus replicates and transcribes the viral genome segments in the nucleus of the host cell. To transcribe these viral genome segments, the RdRp 'snatches' capped RNA oligonucleotides from nascent host cell mRNAs and aligns these primers to the ultimate or penultimate nucleotide of the segments for the initiation of viral mRNA synthesis. It has been proposed that this initiation process is not processive and that the RdRp uses a prime-realign mechanism during transcription...
November 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29140873/experienced-hiv-related-stigma-in-healthcare-and-community-settings-mediated-associations-with-psychosocial-and-health-outcomes
#15
Emma Sophia Kay, Whitney S Rice, Kaylee B Crockett, Ghislaine C Atkins, D Scott Batey, Bulent Turan
INTRODUCTION: There are multiple dimensions of HIV-related stigma that can compromise the mental and physical health of people living with HIV (PLWH). We focused on the dimension of experienced stigma, defined as exposure to acts of discrimination, devaluation, and prejudice, and investigated its relationship with HIV health and psychosocial outcomes. METHODS: We examined associations between experienced stigma in the community and healthcare settings and psychosocial and health outcomes for PLWH (N=203) receiving care at an urban HIV clinic in the Southeastern United States...
November 13, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29140772/role-of-patient-coping-strategies-in-understanding-the-effects-of-early-palliative-care-on-quality-of-life-and-mood
#16
Joseph A Greer, Jamie M Jacobs, Areej El-Jawahri, Ryan D Nipp, Emily R Gallagher, William F Pirl, Elyse R Park, Alona Muzikansky, Juliet C Jacobsen, Vicki A Jackson, Jennifer S Temel
Purpose The early integration of oncology and palliative care (EIPC) improves quality of life (QOL) and mood for patients with advanced cancer. However, the mechanisms by which EIPC benefits these outcomes remain unclear. We therefore examined whether EIPC improved patients' coping strategies and if changes in coping accounted for intervention effects on QOL and depressive symptoms. Patients and Methods For this secondary analysis of an EIPC trial, we examined data from 350 patients with newly diagnosed incurable lung or GI cancer...
November 15, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29138498/glutaredoxin-1-mediates-the-protective-effect-of-steady-laminar-flow-on-endothelial-cells-against-oxidative-stress-induced-apoptosis-via-inhibiting-bim
#17
Yao Li, Meng Ren, Xiaoqun Wang, Xingxing Cui, Hongmei Zhao, Chuanrong Zhao, Jing Zhou, Yanan Guo, Yi Hu, Chen Yan, Bradford Berk, Jing Wang
Endothelial cell apoptosis induced by oxidative stress is an early event in the development of atherosclerosis. Several antioxidant enzymes which can cope with oxidative stress are up-regulated by the anti-atherogenic laminar blood flow often seen in straight or unbranched regions of blood vessels. However, the molecular mechanism responsible for flow-induced beneficial effects is incompletely understood. Here we report the role of glutaredoxin 1 (Grx1), an antioxidant enzyme, in flow-mediated protective effect in endothelial cells...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29131960/computational-insights-into-an-enzyme-catalyzed-4-2-cycloaddition
#18
Yiying Zheng, Walter Thiel
The enzyme SpnF, involved in the biosynthesis of spinosyn A, catalyzes a formal [4+2] cycloaddition of a 22-membered macrolactone, which may proceed as a concerted [4+2] cycloaddition or a stepwise [6+4] cycloaddition followed by a Cope rearrangement. Quantum mechanics/molecular mechanics (QM/MM) calculations combined with free energy simulations show that the Diels-Alder pathway is favored in the enzyme environment. OM2/CHARMM free energy simulations for the SpnF-catalyzed reaction predict a free energy barrier of 22 kcal/mol for the concerted Diels-Alder process and provide no evidence for a competing stepwise pathway...
November 13, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29126094/evolutionarily-adapted-hormesis-inducing-stressors-can-be-a-practical-solution-to-mitigate-harmful-effects-of-chronic-exposure-to-low-dose-chemical-mixtures
#19
REVIEW
Se-A Kim, Yu-Mi Lee, Je-Yong Choi, David R Jacobs, Duk-Hee Lee
Although the toxicity of synthetic chemicals at high doses is well known, chronic exposure to low-dose chemical mixtures has only recently been linked to many age-related diseases. However, it is nearly impossible to avoid the exposure to these low-dose chemical mixtures as humans are exposed to a myriad of synthetic chemicals as a part of their daily lives. Therefore, coping with possible harms due to low dose chemical mixtures is challenging. Interestingly, within the range of environmental exposure, disease risk does not increase linearly with increasing dose of chemicals, but often tends to plateau or even decrease with increasing dose...
November 7, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29125424/understanding-postdisaster-substance-use-and-psychological-distress-using-concepts-from-the-self-medication-hypothesis-and-social-cognitive-theory
#20
Adam C Alexander, Kenneth D Ward
This article applies constructs from the Self-Medication Hypothesis and Social Cognitive Theory to explain the development of substance use and psychological distress after a disaster. A conceptual model is proposed, which employs a sequential mediation model, identifying perceived coping self-efficacy, psychological distress, and self-medication as pathways to substance use after a disaster. Disaster exposure decreases perceived coping self-efficacy, which, in turn, increases psychological distress and subsequently increases perceptions of self-medication in vulnerable individuals...
November 10, 2017: Journal of Psychoactive Drugs
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