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https://www.readbyqxmd.com/read/28340275/mini-tomato-genotypes-resistant-to-the-silverleaf-whitefly-and-to-two-spotted-spider-mites
#1
G M Maciel, R S Almeida, J P R da Rocha, V Andaló, G R Marquez, N C Santos, R R Finzi
The mini tomato production has expanded, becoming an amazing alternative for enterprise. Despite all commercial potential, the cultivation has the occurrence of pests as main obstacle during the crop development. Nowadays, there are no researches that aimed obtaining genotypes with high acylsugar content, capable of providing a broad-spectrum resistance to pests. This study aimed the selection of mini tomato genotypes, with high acylsugar content, and checking the resistance level to the silverleaf whitefly [Bemisia tabaci (Gennadius)] and to the two-spotted spider mites (Tetranychus urticae Koch)...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28339681/on-tear-film-breakup-tbu-dynamics-and-imaging
#2
Richard J Braun, Tobin A Driscoll, Carolyn G Begley, P Ewen King-Smith, Javed I Siddique
We report the results of some recent experiments to visualize tear film dynamics. We then study a mathematical model for tear film thinning and tear film breakup (TBU), a term from the ocular surface literature. The thinning is driven by an imposed tear film thinning rate which is input from in vivo measurements. Solutes representing osmolarity and fluorescein are included in the model. Osmolarity causes osmosis from the model ocular surface, and the fluorescein is used to compute the intensity corresponding closely to in vivo observations...
February 20, 2017: Mathematical Medicine and Biology: a Journal of the IMA
https://www.readbyqxmd.com/read/28331583/surreptitious-sympatry-exploring-the-ecological-and-genetic-separation-of-two-sibling-species
#3
Line S Cordes, Gregory O'Corry-Crowe, Robert J Small
Climate change is having profound impacts on animal populations, and shifts in geographic range are predicted in response. Shifts that result in range overlap between previously allopatric congeneric species may have consequences for biodiversity through interspecific competition, hybridization, and genetic introgression. Harbor seals (Phoca vitulina) and spotted seals (Phoca largha) are parapatric sibling species and areas of co-occurrence at the edges of their range, such as Bristol Bay, Alaska, offer a unique opportunity to explore ecological separation and discuss potential consequences of increased range overlap resulting from retreating sea ice...
March 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28329672/vitamin-d-and-skin-aging
#4
Merel A Hamer, Raymond Noordam, Luba M Pardo, Diana Van Heemst, David A Gunn, Tamar Nijsten
BackgroundThe relationship between 25-hydroxyvitamin D and different phenotypes of skin aging (e.g., wrinkles, pigmented spots, telangiectasia, perceived age) is unclear. We investigated the association between vitamin D levels and skin aging phenotypes in middle-aged participants from the Rotterdam Study (RS) and Leiden Longevity Study (LLS).MethodsStandardized facial photographs were taken of North-European participants from the RS (N=3,831; 58.2% female, median age 66.5) and the LLS (N=661; 50.5% female, median age 63...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28321362/from-eggs-to-bites-do-ovitrap-data-provide-reliable-estimates-of-aedes-albopictus-biting-females
#5
Mattia Manica, Roberto Rosà, Alessandra Della Torre, Beniamino Caputo
BACKGROUND: Aedes albopictus is an aggressive invasive mosquito species that represents a serious health concern not only in tropical areas, but also in temperate regions due to its role as vector of arboviruses. Estimates of mosquito biting rates are essential to account for vector-human contact in models aimed to predict the risk of arbovirus autochthonous transmission and outbreaks, as well as nuisance thresholds useful for correct planning of mosquito control interventions. Methods targeting daytime and outdoor biting Ae...
2017: PeerJ
https://www.readbyqxmd.com/read/28319259/label-free-identification-of-the-microstructure-of-rat-spinal-cords-based-on-nonlinear-optical-microscopy
#6
C X Liao, Z Y Wang, Y Zhou, L Q Zhou, X Q Zhu, W G Liu, J X Chen
The spinal cord is a vital link between the brain and the body and mainly comprises neurons, glial cells and nerve fibres. In this work, nonlinear optical (NLO) microscopy based on intrinsic tissue properties was employed to label-freely analyze the cells and matrix in spinal cords at a molecular level. The high-resolution and high-contrast NLO images of unstained spinal cords demonstrate that NLO microscopy has the ability to show the microstructure of white and grey matter including ventral horn, intermediate area, dorsal horns, ventral column, lateral column and dorsal column...
March 20, 2017: Journal of Microscopy
https://www.readbyqxmd.com/read/28318369/high-rate-of-hepatitis-b-virus-infection-among-hairdressers-in-ibadan-nigeria
#7
B A Olusola, E A Gometi, O Ogunsemowo, D O Olaleye, G N Odaibo
Hepatitis B virus (HBV) infection is a major public health problem with over two billion people infected globally. Occupationally exposed persons are at high risk of HBV infection. Apart from medical personnel, there is dearth of information as regards the prevalence and awareness of HBV among occupationally exposed persons in the country. This study was designed to determine the levels of HBV awareness and prevalence of HBV infection among hairdressers in Ibadan, Nigeria. Hairdressers and teachers (unmatched controls) in four local government areas in Ibadan were tested for HBV infection using ELISA technique...
March 20, 2017: Journal of Immunoassay & Immunochemistry
https://www.readbyqxmd.com/read/28316794/periodontitis-as-a-possible-early-sign-of-diabetes-mellitus
#8
Wijnand J Teeuw, Madeline X F Kosho, Dennis C W Poland, Victor E A Gerdes, Bruno G Loos
OBJECTIVE: The early diagnosis of (pre)diabetes mellitus is essential for the prevention of diabetes complications. It has been suggested that gum disease (periodontitis) might be an early complication of diabetes and may be a useful risk indicator for diabetes screening. Therefore, a dental office could be a good location for screening for (pre)diabetes in patients with periodontitis using a validated glycated hemoglobin (HbA1c) dry spot analysis. RESEARCH DESIGN AND METHODS: A total of 313 individuals from a university dental clinic participated...
2017: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/28315060/results-of-a-phase-ib-trial-of-combination-immunotherapy-with-a-cd8-%C3%A2-t-cell-eliciting-vaccine-and-trastuzumab-in-breast-cancer-patients
#9
G Travis Clifton, Jennifer K Litton, Karen Arrington, Sathibalan Ponniah, Nuhad K Ibrahim, Victor Gall, Gheath Alatrash, George E Peoples, Elizabeth A Mittendorf
BACKGROUND: CD8+ T cell-eliciting vaccines are being investigated in breast cancer patients. Preclinical data showed that trastuzumab increases the susceptibility of tumor cells to lysis by vaccine-generated CD8+ T cells, suggesting potential benefit of a combination immunotherapy strategy. The current trial was undertaken to demonstrate the safety of this approach. METHODS: This study was designed as a dose-escalation trial enrolling clinically disease-free, human leukocyte antigen A2+ or A3+ , human epidermal growth factor receptor 2 (HER2)-positive breast cancer patients...
March 17, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28314941/neuropeptide-expression-and-morphometric-differences-in-crushed-alveolar-inferior-nerve-of-rats-effects-of-photobiomodulation
#10
Daniel Oliveira Martins, Fabio Martinez Dos Santos, Adriano Polican Ciena, Ii-Sei Watanabe, Luiz Roberto G de Britto, José Benedito Dias Lemos, Marucia Chacur
Inferior alveolar nerve (IAN) injuries may occur during various dental routine procedures, especially in the removal of impacted lower third molars, and nerve recovery in these cases is a great challenge in dentistry. Here, the IAN crush injury model was used to assess the efficacy of photobiomodulation (PBM) in the recovery of the IAN in rats following crushing injury (a partial lesion). Rats were divided into four experimental groups: without any procedure, IAN crush injury, and IAN crush injury with PBM and sham group with PBM...
March 17, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28297289/a-dosimetric-evaluation-of-knowledge-based-vmat-planning-with-simultaneous-integrated-boosting-for-rectal-cancer-patients
#11
Hao Wu, Fan Jiang, Haizhen Yue, Sha Li, Yibao Zhang
RapidPlan, a commercial knowledge-based optimizer, has been tested on head and neck, lung, esophageal, breast, liver, and prostate cancer patients. To appraise its performance on VMAT planning with simultaneous integrated boosting (SIB) for rectal cancer, this study configured a DVH (dose-volume histogram) estimation model consisting 80 best-effort manual cases of this type. Using the model- generated objectives, the MLC (multileaf collimator) sequences of other 70 clinically approved plans were reoptimized, while the remaining parameters, such as field geometry and photon energy, were maintained...
November 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28295650/daily-salt-intake-is-an-independent-risk-factor-for-pollakiuria-and-nocturia
#12
Tomohiro Matsuo, Yasuyoshi Miyata, Hideki Sakai
OBJECTIVE: To clarify the relationships between daily salt intake and lower urinary tract symptoms. METHODS: A cross-sectional clinical study was carried out with 728 patients. Spot urine samples were collected to evaluate estimated daily salt intake. The patients were divided into two groups based on mean salt intake (9.2 g/day). Their urinary condition was evaluated using the Core Lower Urinary Tract Symptoms score and 3-day frequency volume charts. The influence of salt intake on lower urinary tract symptoms was investigated using multivariate logistic regression analysis...
March 14, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28294319/grpr-antagonist-protects-from-drug-induced-liver-injury-by-impairing-neutrophil-chemotaxis-and-motility
#13
Rafael S Czepielewski, Natália Jaeger, Pedro E Marques, Maísa M Antunes, Maurício M Rigo, Débora M Alvarenga, Rafaela V Pereira, Rodrigo D da Silva, Tiago G Lopes, Vinícius D da Silva, Bárbara N Porto, Gustavo B Menezes, Cristina Bonorino
Drug-induced liver injury (DILI) is a major cause of acute liver failure (ALF), where hepatocyte necrotic products trigger liver inflammation, release of CXCR2 ligands (IL-8) and other neutrophil chemotactic molecules. Liver infiltration by neutrophils is a major cause of the life threatening tissue damage that ensues. A GRPR (gastrin-releasing peptide receptor) antagonist impairs IL-8-induced neutrophil chemotaxis in vitro. We investigated its potential to reduce acetaminophen-induced ALF, neutrophil migration and mechanisms underlying this phenomenon...
March 10, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28294198/external-and-internal-resin-infiltration-of-natural-proximal-subsurface-caries-lesions-a-valuable-enhancement-of-the-internal-tunnel-restoration
#14
Andrej M Kielbassa, Ina Ulrich, Vanessa D Werth, Christoph Schüller, Wilhelm Frank, Rita Schmidl
OBJECTIVE: The aim of this ex-vivo study was to evaluate both the external and the internal penetration ability of a resin infiltrant into natural proximal and macroscopically intact white spot lesions, and to merge this approach with the internal tunnel preparation concept. METHOD AND MATERIALS: 20 premolars and 20 molars with proximal subsurface lesions (ICDAS, code 2) and respective radiographic lesion depths extending into the middle third of dentin (D2 lesions) were selected and divided into two groups...
March 14, 2017: Quintessence International
https://www.readbyqxmd.com/read/28290600/possible-protective-role-of-the-abca4-gene-c-1268a-g-missense-variant-in-stargardt-disease-and-syndromic-retinitis-pigmentosa-in-a-sicilian-family-preliminary-data
#15
Rosalia D'Angelo, Luigi Donato, Isabella Venza, Concetta Scimone, Pasquale Aragona, Antonina Sidoti
In the wide horizon of ophthalmologically rare diseases among retinitis pigmentosa forms, Stargardt disease has gradually assumed a significant role due to its heterogeneity. In the present study, we aimed to support one of two opposite hypotheses concerning the causative or protective role of heterozygous c.1268A>G missense variant of the ABCA4 gene in Stargardt disease and in syndromic retinitis pigmentosa. This study was based on a family consisting of three members: proband, age 54, with high myopia, myopic chorioretinitis and retinal dystrophy; wife, age 65, with mild symptoms; daughter, age 29, asymptomatic...
March 10, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28290567/tracking-areal-lithium-densities-from-neutron-activation-quantitative-li-determination-in-self-organized-tio2-nanotube-anode-materials-for-li-ion-batteries
#16
E Portenkirchner, G Neri, J Lichtinger, J Brumbarov, C Rüdiger, R Gernhäuser, J Kunze-Liebhäuser
Nanostructuring of electrode materials is a promising approach to enhance the performance of next-generation, high-energy density lithium (Li)-ion batteries. Various experimental and theoretical approaches allow for a detailed understanding of solid-state or surface-controlled reactions that occur in nanoscaled electrode materials. While most techniques which are suitable for nanomaterial investigations are restricted to analysis widths of the order of Å to some nm, they do not allow for characterization over the length scales of interest for electrode design, which is typically in the order of mm...
March 14, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28289557/acoustic-monitoring-indicates-a-correlation-between-calling-and-spawning-in-captive-spotted-seatrout-cynoscion-nebulosus
#17
Eric W Montie, Matt Hoover, Christopher Kehrer, Justin Yost, Karl Brenkert, Tim O'Donnell, Michael R Denson
BACKGROUND: Fish sound production is widespread throughout many families. Territorial displays and courtship are the most common reasons for fish sound production. Yet, there is still some questions on how acoustic signaling and reproduction are correlated in many sound-producing species. In the present study, our aim was to determine if a quantitative relationship exists between calling and egg deposition in captive spotted seatrout (Cynoscion nebulosus). This type of data is essential if passive acoustics is to be used to identify spawning aggregations over large spatial scales and monitor reproductive activity over annual and decadal timeframes...
2017: PeerJ
https://www.readbyqxmd.com/read/28286257/grouper-epinephelus-coioides-tcr-signaling-pathway-was-involved-in-response-against-cryptocaryon-irritans-infection
#18
Ze-Xiang Li, Yan-Wei Li, Shun Xu, Yang Xu, Ze-Quan Mo, Xue-Ming Dan, Xiao-Chun Luo
T cell activation is a complicated process accompanying with the activation of T cell receptor (TCR) signaling pathway, which is not well described in teleost fish. The initiation of this pathway depends on the interaction of membrane TCR co-receptors (e.g. CD4/8, CD3 and CD45) and a series of cytoplasmic protein tyrosine kinases (e.g. Lck, Fyn and ZAP70). Cyptocaryon irritans is a ciliate pathogen of marine fish white spot disease causing huge economic lost in marine aquaculture. This parasite can infect fish gill and skin and is considered to be a good pathogen model for fish gill and skin mucosal immunity...
March 7, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28286046/rudimentary-expression-of-ryamide-in-drosophila-melanogaster-relative-to-other-drosophila-species-points-to-a-functional-decline-of-this-neuropeptide-gene
#19
Jan A Veenstra, Hela Khammassi
RYamides are arthropod neuropeptides with unknown function. In 2011 two RYamides were isolated from D. melanogaster as the ligands for the G-protein coupled receptor CG5811. The D. melanogaster gene encoding these neuropeptides is highly unusual, as there are four RYamide encoding exons in the current genome assembly, but an exon encoding a signal peptide is absent. Comparing the D. melanogaster gene structure with those from other species, including D. virilis, suggests that the gene is degenerating. RNAseq data from 1634 short sequence read archives at NCBI containing more than 34 billion spots yielded numerous individual spots that correspond to the RYamide encoding exons, of which a large number include the intron-exon boundary at the start of this exon...
March 7, 2017: Insect Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28285430/the-sensitivity-and-specificity-of-thyroglobulin-concentration-using-repeated-measures-of-urinary-iodine%C3%A2-excretion
#20
Zheng F Ma, Bernard J Venn, Patrick J Manning, Claire M Cameron, Sheila A Skeaff
PURPOSE: Iodine deficiency affects 30% of populations worldwide. The amount of thyroglobulin (Tg) in blood increases in iodine deficiency and also in iodine excess. Tg is considered as a sensitive index of iodine status in groups of children and adults, but its usefulness for individuals is unknown. The aim of this study was to determine the diagnostic performance of Tg as an index of iodine status in individual adults. METHODS: Adults aged 18-40 years (n = 151) provided five spot urine samples for the measurement of urinary iodine concentration expressed as μg/L (UIC), μg/g of creatinine (I:Cre), and μg/day (estimated UIE); the mean of the five samples was used as the reference standard...
March 11, 2017: European Journal of Nutrition
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