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https://www.readbyqxmd.com/read/28345581/potential-of-biosynthesized-silver-nanoparticles-using-stenotrophomonas-sp-bhu-s7-mtcc-5978-for-management-of-soil-borne-and-foliar-phytopathogens
#1
Sandhya Mishra, Braj Raj Singh, Alim H Naqvi, H B Singh
Stenotrophomonas sp. is emerging as a popular microbe of global concern with various potential ecological roles. Biosynthesis of gold and silver nanoparticles (AgNPs) using this bacterial strain has shown promising applications in life sciences. However, there is no report on efficient agricultural applications of biosynthesized AgNPs using Stenotrophomonas sp. In this regard, successful biosynthesis of AgNPs using Stenotrophomonas sp. BHU-S7 (MTCC 5978) was monitored by Uv-visible spectrum showing surface plasmon resonance (SPR) peak at 440 nm...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28344323/new-knowledge-of-the-mechanisms-of-sorafenib-resistance-in-liver-cancer
#2
REVIEW
Yan-Jing Zhu, Bo Zheng, Hong-Yang Wang, Lei Chen
Sorafenib is an oral multikinase inhibitor that suppresses tumor cell proliferation and angiogenesis and promotes tumor cell apoptosis. It was approved by the FDA for the treatment of advanced renal cell carcinoma in 2006, and as a unique target drug for advanced hepatocellular carcinoma (HCC) in 2007. Sorafenib can significantly extend the median survival time of patients but only by 3-5 months. Moreover, it is associated with serious adverse side effects, and drug resistance often develops. Therefore, it is of great importance to explore the mechanisms underlying sorafenib resistance and to develop individualized therapeutic strategies for coping with these problems...
March 27, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28341699/genomic-comparison-of-indigenous-african-and-northern-european-chickens-reveals-putative-mechanisms-of-stress-tolerance-related-to-environmental-selection-pressure
#3
Damarius S Fleming, Steffen Weigend, Henner Simianer, Annett Weigend, Max Rothschild, Carl Schmidt, Christopher Ashwell, Mike Persia, James Reecy, Susan J Lamont
Global climate change is increasing the magnitude of environmental stressors, such as temperature, pathogens, and drought that limit survivability and sustainability of livestock production. Poultry production and its expansion are dependent upon robust animals that are able to cope with stressors in multiple environments. Understanding the genetic strategies that indigenous, non-commercial breeds have evolved to survive in their environment could help to elucidate molecular mechanisms underlying biological traits of environmental adaptation...
March 24, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28341064/a-qualitative-study-to-examine-older-adults-perceptions-of-health-keys-to-aging-successfully
#4
Rifky Tkatch, Shirley Musich, Stephanie MacLeod, Sandra Kraemer, Kevin Hawkins, Ellen R Wicker, Douglas G Armstrong
Older adult health is often defined in clinical terms. Research has demonstrated that many older adults self-report aging successfully regardless of clinical health status. This qualitative study used claims data to identify older adults on three levels of health status: healthy and active, managing diseases, or very sick, to better understand how health is defined and maintained. In total, 32 participants from two cities were interviewed. Interviews were audio- and video-recorded and then transcribed. Thematic analysis identified five themes: disconnectedness between objective and subjective health; health defined to include psychological and social components; resilience and coping mechanisms indicative of successful aging; social support systems integral to health; and the goal of maintaining functioning...
March 22, 2017: Geriatric Nursing
https://www.readbyqxmd.com/read/28340327/polymorphic-responses-of-medicago-truncatula-accessions-to-potassium-deprivation
#5
Kevin Garcia, Jean-Michel Ané
Potassium (K(+)) is an essential macronutrient for plants and the most abundant cation in cells. Due to variable K(+) availability in the environment, plants must be able to adjust their developmental, physiological and transcriptional responses. The plant development to K(+) deprivation was not well studied in legumes thus far. We recently described the first adaptation mechanisms of the model legume Medicago truncatula Jemalong A17 to long-term K(+) deprivation and analyzed these responses in the context of arbuscular mycorrhizal symbiosis...
March 24, 2017: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/28338724/sex-differences-in-the-development-of-emotion-circuitry-in-adolescents-at-risk-for-substance-abuse-a-longitudinal-fmri-study
#6
Jillian E Hardee, Lora M Cope, Emily C Munier, Robert C Welsh, Robert A Zucker, Mary M Heitzeg
There is substantial evidence for behavioral sex differences in risk trajectories for alcohol and substance use disorders (SUDs), with internalizing factors such as negative affectivity contributing more to female risk. Because the neural development of emotion circuitry varies between males and females across adolescence, it represents a potential mechanism by which underlying neurobiology contributes to SUD risk. Longitudinal functional magnetic resonance imaging (fMRI) was conducted in males and females (n = 18 each) with a family history of alcohol use disorders starting at ages 8-13yrs...
February 21, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28338644/clinical-hypnosis-an-effective-mind-body-modality-for-adolescents-with-behavioral-and-physical-complaints
#7
REVIEW
Anju Sawni, Cora Collette Breuner
Mind-body medicine is a system of health practices that includes meditation/relaxation training, guided imagery, hypnosis, biofeedback, yoga, art/music therapy, prayer, t'ai chi, and psychological therapies such as cognitive behavioral therapy. Clinical hypnosis is an important mind-body tool that serves as an adjunct to conventional medical care for the adolescent patient. Clinical hypnosis specifically uses self-directed therapeutic suggestions to cultivate the imagination and facilitate the mind-body connection, leading to positive emotional and physical well-being...
March 24, 2017: Children
https://www.readbyqxmd.com/read/28337760/proteomics-of-contrasting-rice-genotypes-identification-of-potential-targets-for-raising-crops-for-saline-environment
#8
Nita Lakra, Charanpreet Kaur, Khalid Anwar, Sneh Lata Singla-Pareek, Ashwani Pareek
High salinity is one of the major problems in crop productivity, affecting seed germination as well as yield. In order to enhance tolerance of crops towards salinity, it is essential to understand the underlying physiological and molecular mechanisms. In this endeavor, study of contrasting genotypes of the same species differing in their response towards salinity stress can be very useful. In the present study, we have investigated temporal differences in morphological, physiological and proteome profiles of two contrasting genotypes of rice to understand the basis of salt-tolerance...
March 24, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28325117/psychometric-summary-of-the-technology-delivered-tension-scales-for-weight-management
#9
Kelli L Kramer-Jackman, Sue Popkess-Vawter
The purpose of this article is to summarize the psychometric results from studies of the last 25 years of the Overeating Tension Scale, Exercise Tension Scale, Feelings Tension Scale, and Feelings About Weight Tension Scale. These reliable and valid technology-delivered weight management scales can be used by clinicians independently or in combination to longitudinally identify specific triggers of overeating, skipping exercise, feeling low or down, and strong feelings about one's body weight; motivational states, and related tension levels...
March 1, 2017: Western Journal of Nursing Research
https://www.readbyqxmd.com/read/28323867/understanding-and-coping-with-extremism-in-an-online-collaborative-environment-a-data-driven-modeling
#10
Csilla Rudas, Olivér Surányi, Taha Yasseri, János Török
The Internet has provided us with great opportunities for large scale collaborative public good projects. Wikipedia is a predominant example of such projects where conflicts emerge and get resolved through bottom-up mechanisms leading to the emergence of the largest encyclopedia in human history. Disaccord arises whenever editors with different opinions try to produce an article reflecting a consensual view. The debates are mainly heated by editors with extreme views. Using a model of common value production, we show that the consensus can only be reached if groups with extreme views can actively take part in the discussion and if their views are also represented in the common outcome, at least temporarily...
2017: PloS One
https://www.readbyqxmd.com/read/28323502/head-injury-and-substance-use-in-young-adults
#11
Lisa A Kort-Butler
BACKGROUND: Prior studies suggest a link between head injuries and substance use but do not routinely capture mechanisms connecting the two. OBJECTIVES: The goal of the study was to explore whether past head injuries predicted current substance use among young adults, taking factors such as stress, self-esteem, temper, and risk-taking into consideration. METHODS: Data were drawn from a web-based survey conducted in 2014 and 2015 at a public university in the United States (n = 897)...
March 21, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28322971/effects-and-mechanisms-of-compound-chinese-medicine-and-major-ingredients-on-microcirculatory-dysfunction-and-organ-injury-induced-by-ischemia-reperfusion
#12
REVIEW
Jing-Yan Han, Quan Li, Zhi-Zhong Ma, Jing-Yu Fan
Microcirculation dysfunction and organ injury after ischemia and reperfusion (I/R) result from a complex pathologic process consisting of multiple links, with metabolism impairment in the ischemia phase and oxidative stress in the reperfusion phase as initiators, and any treatment targeting a single link is insufficient to cope with this. Compound Chinese medicine (CCM) has been applied in clinics in China and some Asian nations for more than 2000 years. Studies over the past decades revealed the protective and therapeutic effect of CCMs and major ingredients on I/R-induced microcirculatory dysfunction and tissue injury in the heart, brain, liver, intestine, and so on...
March 16, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28319134/genotype-and-local-environment-dynamically-influence-growth-disturbance-response-and-survivorship-in-the-threatened-coral-acropora-cervicornis
#13
Crawford Drury, Derek Manzello, Diego Lirman
The relationship between the coral genotype and the environment is an important area of research in degraded coral reef ecosystems. We used a reciprocal outplanting experiment with 930 corals representing ten genotypes on each of eight reefs to investigate the influence of genotype and the environment on growth and survivorship in the threatened Caribbean staghorn coral, Acropora cervicornis. Coral genotype and site were strong drivers of coral growth and individual genotypes exhibited flexible, non-conserved reaction norms, complemented by ten-fold differences in growth between specific G-E combinations...
2017: PloS One
https://www.readbyqxmd.com/read/28318873/factors-associated-with-changes-in-fruit-intake-during-young-adulthood-a-classification-and-regression-tree-analysis-of-longitudinal-data
#14
David Lohrmann, Wasantha Jayawardene, Mohammad Torabi
OBJECTIVE: To examine whether distinct participant groupings for changes in fruit intake (FI) levels between ages 23 and 31 years are identifiable based on both time-varying and time-invariant sociodemographic and behavioral variables. METHODS: Data were derived from the National Longitudinal Survey of Youth-1997, US. Change in FI frequency constituted the dependent variable. For 21 variables, changes and averages in 2007-2011 were calculated. Classification and regression tree analysis was conducted using Generalized, Unbiased, Interaction Detection, and Estimation software...
March 16, 2017: Journal of Nutrition Education and Behavior
https://www.readbyqxmd.com/read/28318307/stress-socializing-and-other-motivations-for-smoking-among-the-lesbian-gay-bisexual-transgender-and-queer-community-in-new-york-city
#15
Deanna P Jannat-Khah, LeConté J Dill, Simone A Reynolds, Michael A Joseph
PURPOSE: This study contributes to the emerging literature on lesbian, gay, bisexual, transgendered, and queer (LGBTQ) health disparities and tobacco use by examining the motivations for smoking among the New York City (NYC) LGBTQ population. APPROACH: We used grounded theory and blended methods from 3 grounded theorists-Strauss, Corbin, and Charmaz-for data collection, coding, and analysis. SETTING: NYC has extensive legislation to prevent smoking; however, the current smoking prevalence of homosexuals is double that of heterosexuals...
January 1, 2017: American Journal of Health Promotion: AJHP
https://www.readbyqxmd.com/read/28317500/can-i-use-marijuana-safely-an-examination-of-distal-antecedents-marijuana-protective-behavioral-strategies-and-marijuana-outcomes
#16
Adrian J Bravo, Mark A Prince, Matthew R Pearson
OBJECTIVE: Given the high prevalence of marijuana use among college students, it is imperative to determine the factors that may reduce risk of problematic marijuana use and/or the development of cannabis use disorder. We examined marijuana protective behavioral strategies (PBS) as a proximal predictor of marijuana-related outcomes and a mediator of the associations between other known risk/protective factors and marijuana-related outcomes. METHOD: Using data from a sample of 2,129 past-month marijuana users, collected from 11 universities in the United States, we examined marijuana PBS use as a mediator of the effects of sex, age at first use, impulsivity-like traits, and marijuana use motives on marijuana use frequency and marijuana related consequences...
March 2017: Journal of Studies on Alcohol and Drugs
https://www.readbyqxmd.com/read/28315825/effects-of-florida-red-tides-on-histone-variant-expression-and-dna-methylation-in-the-eastern-oyster-crassostrea-virginica
#17
Rodrigo Gonzalez-Romero, Victoria Suarez-Ulloa, Javier Rodriguez-Casariego, Daniel Garcia-Souto, Gabriel Diaz, Abraham Smith, Juan Jose Pasantes, Gary Rand, Jose M Eirin-Lopez
Massive algal proliferations known as Harmful Algal Blooms (HABs) represent one of the most important threats to coastal areas. Among them, the so-called Florida Red Tides (FRTs, caused by blooms of the dinoflagellate Karenia brevis and associated brevetoxins) are particularly detrimental in the southeastern U.S., causing high mortality rates and annual losses in excess of $40 million. The ability of marine organisms to cope with environmental stressors (including those produced during HABs) is influenced by genetic and epigenetic mechanisms, the latter resulting in phenotypic changes caused by heritable modifications in gene expression, without involving changes in the genetic (DNA) sequence...
March 7, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28306592/bridging-the-gap-in-heart-transplantation
#18
Jacqueline M Smits, Undine Samuel, Guenther Laufer
PURPOSE OF REVIEW: Countries in Europe and in the USA are proclaiming their need for an objective allocation system that can cope with distribution of a scarce resource in a changing environment of an older donor and recipient population and of an increased number of patients on mechanical circulatory support, whose prospects are increasing. RECENT FINDINGS: The current heart allocation systems in Eurotransplant, France and the USA are all urgency tier systems, where within the same tier a first-come, first-served principle is applied...
March 16, 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28304312/cognitive-rehabilitation-in-alzheimer-s-disease-a-controlled-intervention-trial
#19
Katharina Brueggen, Elisabeth Kasper, Sina Ochmann, Henrike Pfaff, Steffi Webel, Wolfgang Schneider, Stefan Teipel
BACKGROUND: Cognitive Rehabilitation for Alzheimer's disease (AD) is an integrative multimodal intervention. It aims to maintain autonomy and quality of life by enhancing the patients' abilities to compensate for decreased cognitive functioning. OBJECTIVE: We evaluated the feasibility of a group-based Cognitive Rehabilitation approach in mild AD dementia and assessed its effect on activities of daily living (ADL). METHODS: We included 16 patients with AD dementia in a controlled partial-randomized design...
March 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28303955/differential-proteomic-analysis-by-itraq-reveals-the-mechanism-of-pyropia-haitanensis-responding-to-high-temperature-stress
#20
Jianzhi Shi, Yuting Chen, Yan Xu, Dehua Ji, Changsheng Chen, Chaotian Xie
Global warming increases sea temperature and leads to high temperature stress, which affects the yield and quality of Pyropia haitanensis. To understand the molecular mechanisms underlying high temperature stress in a high temperature tolerance strain Z-61, the iTRAQ technique was employed to reveal the global proteomic response of Z-61 under different durations of high temperature stress. We identified 151 differentially expressed proteins and classified them into 11 functional categories. The 4 major categories of these are protein synthesis and degradation, photosynthesis, defense response, and energy and carbohydrate metabolism...
March 17, 2017: Scientific Reports
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