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https://www.readbyqxmd.com/read/28088106/uv-a-induced-delayed-development-in-the-larvae-of-coral-seriatopora-caliendrum
#1
Jie Zhou, Tung-Yung Fan, John Beardall, Kunshan Gao
Coral reefs are vulnerable to ultraviolet radiation (UVR, 280-400nm). Not only do the fluxes of UVR fluctuate daily, they are also increasing due to global ocean and atmospheric changes. The deleterious effects of UVR on scleractinian corals have been intensively studied, but much less is known about the response of corals in the early pre-settlement phase. In this study, we tested how UVR exposure affects survival and development of Seriatopora caliendrum larvae and examined the photophysiological changes induced in the symbiotic dinoflagellate Symbiodinium...
January 4, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28088092/aptamer-based-environmental-biosensors-for-small-molecule-contaminants
#2
REVIEW
Van-Thuan Nguyen, Young Seop Kwon, Man Bock Gu
Aptasensors are promising biosensors, which take advantage of using aptamers as a recognition element. The combination of the excellent characteristics of aptamers and the leading detection platform techniques, such as optical, electrochemical with nanomaterial-integrated, or mass-sensitive techniques with high sensitivity and specificity draws a promising view for the application of the aptasensors for the detection of harmful small toxic chemicals and real-time monitoring in the environments. In spite of attraction of aptasensors, application of them is limited to the complex environment due to the facts that how the immobilization of aptamers onto the surface affects the functions of aptamers and their structures for the detection of environmental contaminants are not clearly known...
January 11, 2017: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/28088087/ethylene-biosynthesis-and-perception-during-ripening-of-loquat-fruit-eriobotrya-japonica-lindl
#3
E Alos, A Martinez-Fuentes, C Reig, C Mesejo, M J Rodrigo, M Agustí, L Zacarías
In order to gain insights into the controversial ripening behavior of loquat fruits, in the present study we have analyzed the expression of three genes related to ethylene biosynthesis (ACS1, ACO1 and ACO2), two ethylene receptors (ERS1a and ERS1b), one signal transduction component (CTR1) and one transcription factor (EIL1) in peel and pulp of loquat fruit during natural ripening and also in fruits treated with ethylene (10μLL(-1)) and 1-MCP (10μLL(-1)), an ethylene action inhibitor. In fruits attached to or detached from the tree, a slight increase in ethylene production was detected at the yellow stage, but the respiration rate declined progressively during ripening...
December 19, 2016: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28088079/geographic-determinants-of-individual-obesity-risk-in-spain-a-multilevel-approach
#4
Athina Raftopoulou
This paper seeks to understand the determinants of individual body weight status and obesity risk in Spain by concurrently examining individual and regional characteristics. The data are drawn from the National Health Survey of Spain for the year 2011-2012 (INE-National Statistical Institute of Spain) and contain information for a representative sample of 12,671 adults across 50 provinces in Spain. A multilevel analysis is carried out to examine the determinants of individual weight status and obesity, controlling not only for the individual effects and those of the immediate environment but also for the broader setting to which individuals and their immediate environment belong...
January 3, 2017: Economics and Human Biology
https://www.readbyqxmd.com/read/28088039/read-my-lips-visual-speech-influences-word-processing-in-infants
#5
Drew Weatherhead, Katherine S White
What do infants hear when they read lips? In the present study, twelve-to-thirteen-month-old infants viewed a talking face produce familiar and unfamiliar words. The familiar words were of three types: in Experiment 1, they were produced correctly (e.g., "bottle"); in Experiment 2, infants saw and heard mispronunciations in which the altered phoneme either visually resembled the original phoneme (visually consistent, e.g. "pottle"), or did not visually resemble the original phoneme (visually inconsistent, e...
January 11, 2017: Cognition
https://www.readbyqxmd.com/read/28088038/evidence-of-functional-duplicity-of-nestin-expression-in-the-adult-mouse-midbrain
#6
Parisa Farzanehfar, Shi Sheng Lu, Anupa Dey, Dharshani Musiienko, Hamzah Baagil, Malcolm K Horne, Tim D Aumann
Whether or not neurogenesis occurs in the adult substantia nigra pars compacta (SNc) is an important question relevant for developing better treatments for the motor symptoms of Parkinson's disease (PD). Although controversial, it is generally believed that dividing cells here remain undifferentiated or differentiate into glia, not neurons. However, there is a suggestion that Nestin-expressing neural precursor cells (NPCs) in the adult SNc have a propensity to differentiate into neurons, which we sought to confirm in the present study...
January 5, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28088036/an-emotional-approach-to-beef-evaluation
#7
Monica Borgogno, Armand V Cardello, Saida Favotto, Edi Piasentier
The emotions associated with beef consumption, the influence of breeding system information on emotions ("Conventional" - C vs "Only from the Italian Simmental" - OIS label) and their relationship with liking were evaluated by 93 meat consumers. Respondents were asked to evaluate the same samples of Italian Simmental meat provided with the two different labels. Liking scores were obtained using a 9-point scale and the emotions from the EsSense25 list were scored on 5-point scale (1="not at all", 5="extremely")...
January 5, 2017: Meat Science
https://www.readbyqxmd.com/read/28088026/current-ambient-concentrations-of-ozone-in-panama-modulate-the-leaf-chemistry-of-the-tropical-tree-ficus-insipida
#8
Gerald F Schneider, Alexander W Cheesman, Klaus Winter, Benjamin L Turner, Stephen Sitch, Thomas A Kursar
Tropospheric ozone (O3) is a major air pollutant and greenhouse gas, affecting carbon dynamics, ecological interactions, and agricultural productivity across continents and biomes. Elevated [O3] has been documented in tropical evergreen forests, the epicenters of terrestrial primary productivity and plant-consumer interactions. However, the effects of O3 on vegetation have not previously been studied in these forests. In this study, we quantified ambient O3 in a region shared by forests and urban/commercial zones in Panama and found levels two to three times greater than in remote tropical sites...
December 27, 2016: Chemosphere
https://www.readbyqxmd.com/read/28088020/sulphur-alters-chromium-vi-toxicity-in-solanum-melongena-seedlings-role-of-sulphur-assimilation-and-sulphur-containing-antioxidants
#9
Madhulika Singh, Bishwajit Kumar Kushwaha, Samiksha Singh, Vipin Kumar, Vijay Pratap Singh, Sheo Mohan Prasad
The present study investigates modulation in hexavalent chromium [Cr(VI) 25 μM] toxicity by sulphur (S; 0.5, 1.0 and 1.5 mM S as low (LS), medium (MS) and high sulphur (HS), respectively) in Solanum melongena (eggplant) seedlings. Biomass accumulation (fresh and dry weights), photosynthetic pigments, photosynthetic oxygen evolution and S content were declined by Cr(VI) toxicity. Furthermore, fluorescence characteristics (JIP-test) were also affected by Cr(VI), but Cr(VI) toxicity on photosystem II photochemistry was ameliorated by HS treatment via reducing damaging effect on PS II reaction centre and its reduction side...
December 27, 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28088014/reduced-complexity-of-force-and-muscle-activity-during-low-level-isometric-contractions-of-the-ankle-in-diabetic-individuals
#10
E Y Suda, P Madeleine, R P Hirata, A Samani, T T Kawamura, I C N Sacco
BACKGROUND: This study evaluated the structure and amount of variability of surface electromyography (sEMG) patterns and ankle force data during low-level isometric contractions in diabetic subjects with different degrees of neuropathy. METHODS: We assessed 10 control subjects and 38 diabetic patients, classified as absent, mild, moderate, or severe neuropathy, by a fuzzy system based on clinical variables. Multichannel sEMG (64-electrode matrix) of tibialis anterior and gastrocnemius medialis muscles were acquired during isometric contractions at 10%, 20%, and 30% of the maximum voluntary contraction, and force levels during dorsi- and plantarflexion were recorded...
January 4, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28088008/instruments-evaluating-the-quality-of-the-clinical-learning-environment-in-nursing-education-a-systematic-review-of-psychometric-properties
#11
REVIEW
Irene Mansutti, Luisa Saiani, Luca Grassetti, Alvisa Palese
BACKGROUND: The clinical learning environment is fundamental to nursing education paths, capable of affecting learning processes and outcomes. Several instruments have been developed in nursing education, aimed at evaluating the quality of the clinical learning environments; however, no systematic review of the psychometric properties and methodological quality of these studies has been performed to date. OBJECTIVES: The aims of the study were: 1) to identify validated instruments evaluating the clinical learning environments in nursing education; 2) to evaluate critically the methodological quality of the psychometric property estimation used; and 3) to compare psychometric properties across the instruments available...
January 4, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28087982/the-impact-of-ces1-genotypes-on-the-pharmacokinetics-of-methylphenidate-in-healthy-danish-subjects
#12
Claus Stage, Gesche Jürgens, Louise Schow Guski, Ragnar Thomsen, Ditte Bjerre, Laura Ferrero-Miliani, Yassine Kamal Lyauk, Henrik Berg Rasmussen, Kim Dalhoff
AIM: This study investigated the influence of CES1 variations, including the SNP rs71647871 (G143E) and variation in copy number, on the pharmacokinetics of a single oral dose of 10 mg methylphenidate. METHODS: CES1 genotype was obtained from 200 healthy Danish Caucasian volunteers. Based on the genotype, 44 (19 males and 25 females) were invited to participate in an open, prospective trial involving six predefined genotypes: three groups with two, three, and four CES1 copies, respectively; a group of carriers of the CES1 143E allele; a group of individuals homozygous for CES1A1c (CES1VAR); and a group having three CES1 copies, in which the duplication, CES1A2, had increased transcriptional activity...
January 14, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28087954/functional-limitation-and-health-related-quality-of-life-and-associated-factors-among-long-term-stroke-survivors-in-a-malaysian-community
#13
M N Nor Azlin, N A Aziz, B S Saperi, S M Aljunid
PURPOSE: this study aimed to evaluate function and quality of life (QoL) and associated factors among long term stroke survivors in the Malaysian community. METHODS: A cross-sectional study was conducted involving stroke survivors living in the community at two or more years post-stroke. Eligible participants with the diagnosis of stroke were identified from 2005-2010 case mix database of a tertiary hospital. the patients' medical records were analysed and data on demographic and clinical profiles were collected...
December 2016: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28087952/an-observational-study-of-trigeminal-neuralgia-patients-taking-carbamazepine-during-the-fasting-month-of-ramadan
#14
A J Ajura, S H Lau, S Nur Suffia
INTRODUCTION: Trigeminal neuralgia is an agonising orofacial pain affecting unilaterally the distribution of the trigeminal nerve and it usually occurs in the middle and older age groups. Carbamazepine which is an anti-neuralgic as well as an anti-convulsant medication is the first line drug for treatment of trigeminal neuralgia. It is commonly taken as one tablet (200 mg) three times a day. MATERIALS AND METHODS: This is an observational study carried out from April to September 2014 to determine how Muslim patients on carbamazepine treatment for trigeminal neuralgia cope with their neuralgic pain...
December 2016: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28087945/innate-immune-responses-to-tuberculosis
#15
Jeffrey S Schorey, Larry S Schlesinger
Tuberculosis remains one of the greatest threats to human health. The causative bacterium, Mycobacterium tuberculosis, is acquired by the respiratory route. It is exquisitely adapted to humans and is a prototypic intracellular pathogen of macrophages, with alveolar macrophages being the primary conduit of infection and disease. However, M. tuberculosis bacilli interact with and are affected by several soluble and cellular components of the innate immune system which dictate the outcome of primary infection, most commonly a latently infected healthy human host, in whom the bacteria are held in check by the host immune response within the confines of tissue granuloma, the host histopathologic hallmark...
December 2016: Microbiology Spectrum
https://www.readbyqxmd.com/read/28087920/spatial-and-temporal-variation-of-water-quality-in-the-bertam-catchment-cameron-highlands-malaysia
#16
G Rasul
The spatio-temporal variability of water quality associated with anthropogenic activities was studied for the Bertam River and its main tributaries within the Bertam Catchment, Cameron Highlands, Malaysia. A number of physico-chemical parameters of collected samples were analyzed to evaluate their spatio-temporal variability. Non-parametric statistical analysis showed significant temporal and spatial differences (p<0.05) in most of the parameters across the Catchment. Parameters except DO and COD displayed higher values in rainy season...
December 16, 2016: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/28087913/-cigarette-smoking-in-different-manners-induces-acute-lung-injury-in-rats
#17
Weiqiang Xiao, Guojun Zhou, Chengyun Xu, Jian Xu, Fangfang Huang, Xinbo Lu, Xia Li, Ximei Wu
Objective: To investigate the effects of cigarette smoking in different manners on acute lung injury in rats. Methods: The commercially available cigarettes with tar of 1,5, 11 mg were smoked in Canada depth smoking (health canada method, HCM) manner, and those with tar of 11 mg were also smoked in international standard (ISO) smoking manner. Rats were fixed and exposed to mainstream in a manner of nose-mouth exposure. After 28 days, the bronchoalveolar lavage fluids from left lung were collected for counting and classification of inflammatory cells and determination of pro-inflammatory cytokines IL-1β and TNF-α...
May 25, 2016: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/28087899/increasing-dietary-nitrate-has-no-effect-on-cancellous-bone-loss-or-fecal-microbiome-in-ovariectomized-rats
#18
Melissa N Conley, Cooper Roberts, Thomas J Sharpton, Urszula T Iwaniec, Norman Hord
Studies suggest diets rich in fruit and vegetables reduce bone loss, although the specific compounds responsible are unknown. Substrates for endogenous nitric oxide (NO) production, including organic nitrates and dietary nitrate, may support NO production in age-related conditions, including osteoporosis. We investigated the capability of dietary nitrate to improve NO bioavailability, reduce bone turnover and loss. Six-month-old Sprague Dawley rats [30 ovariectomized (OVX) and 10 sham-operated (sham)] were randomized into 3 groups: (1) vehicle (water) control, (2) low-dose nitrate (LDN, 0...
January 13, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28087895/crohn-disease-risk-prediction-best-practices-and-pitfalls-with-exome-data
#19
Manuel Giollo, David T Jones, Marco Carraro, Emanuela Leonardi, Carlo Ferrari, Silvio C E Tosatto
The Critical Assessment of Genome Interpretation (CAGI) experiment is the first attempt to evaluate the state-of-the-art in genetic data interpretation. Among the proposed challenges, Crohn disease (CD) risk prediction has become the most classic problem spanning three editions. The scientific question is very hard: can anybody assess the risk to develop CD given the exome data alone? This is one of the ultimate goals of genetic analysis, which motivated most CAGI participants to look for powerful new methods...
January 13, 2017: Human Mutation
https://www.readbyqxmd.com/read/28087890/overview-of-the-benefits-and-potential-issues-of-the-nonavalent-hpv-vaccine
#20
REVIEW
Luciano Mariani, Mario Preti, Paolo Cristoforoni, Carlo M Stigliano, Antonio Perino
HPV-related diseases affect anogenital and oropharyngeal regions, heavily affecting the psychosexual dimension of both male and female individuals. HPV vaccination programs based on a bivalent or quadrivalent vaccine have opened broad perspectives for primary prevention. A nonavalent HPV vaccine (9vHPV), covering nine genotypes (HPV6, HPV11, HPV16, HPV18, HPV31, HPV33, HPV45, HPV52, and HPV58), might provide further improvement in terms of direct protection. In the present report, efficacy and safety data from 9vHPV vaccine development programs are examined...
December 7, 2016: International Journal of Gynaecology and Obstetrics
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