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https://www.readbyqxmd.com/read/27933735/danazol-has-potential-to-cause-pkc-translocation-cell-cycle-dysregulation-and-apoptosis-in-breast-cancer-cells
#1
Suman Jyoti Deka, Ashalata Roy, Vibin Ramakrishnan, Debasis Manna, Vishal Trivedi
Danazol, the established clinical drug has given promising therapeutic results in a series of clinical trials with breast cancer patients. Danazol shares structural similarities with several known PKC agonists and fits well into the C1 domain. Danazol binds to the C1b domain of PKC with Kd of 5.64±1.27 μM. MD simulation studies further support that the PKC-Danazol molecular model is stable and showing minimum distortion to the structure during the simulation period. Immunofluorescence and western-blotting studies indicate that MDAMB-231 cells stimulated with danazol exhibit translocation of PKCα to the plasma membrane...
December 9, 2016: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/27933726/inheritance-of-evolved-clethodim-resistance-in-lolium-rigidum-populations-from-australia
#2
Rupinder Kaur Saini, Jenna Malone, Gurjeet Gill, Christopher Preston
BACKGROUND: In Australia, the extensive use of clethodim for the control of Lolium rigidum has resulted in the evolution of many clethodim-resistant L.rigidum populations. Five clethodim-resistant populations of L. rigidum were analysed for the inheritance of clethodim resistance. RESULTS: Reciprocal crosses were made between resistant (R) and susceptible (S) populations. Within crosses, dose responses of reciprocal F1 families of all populations, except A61 were similar each other, indicating clethodim resistance in these populations is encoded on the nuclear genome...
December 8, 2016: Pest Management Science
https://www.readbyqxmd.com/read/27933674/heterosis-in-hybrids-within-and-between-yeast-species
#3
Joana Bernardes, Rike B Stelkens, Duncan Greig
The performance of hybrids relative to their parents is an important factor in speciation research. We measured the growth of 46 Saccharomyces yeast F1 inter-specific and intra-specific hybrids, relative to the growth of each of their parents, in pairwise competition assays. We found that the growth of a hybrid relative to the average of its parents, a measure of mid-parent heterosis, correlated with the difference in parental growth relative to their hybrid, a measure of phenotypic divergence, which is consistent with simple complementation of low fitness alleles in one parent by high fitness alleles in the other...
December 9, 2016: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/27933635/vietnamese-version-of-diabetes-self-management-instrument-development-and-psychometric-testing
#4
Tiet-Hanh Dao-Tran, Debra J Anderson, Anne M Chang, Charrlotte Seib, Cameron Hurst
Self-management plays a vital role in diabetes management for adults with type 2 diabetes (T2DM). While there are many people with T2DM in Vietnam, clinical understanding of diabetes self-management (DSM) in this context is limited due to the lack of a valid measurement instrument. Translation and back-translation processes were used to translate the Diabetes Self-Management Instrument (DSMI) into Vietnamese. Then, translation equivalence, face validity, construct validity, and internal consistency were assessed in a sample of 198 Vietnamese adults with T2DM...
December 9, 2016: Research in Nursing & Health
https://www.readbyqxmd.com/read/27933634/middle-cranial-fossa-approach-to-repair-tegmen-defects-assisted-by-three-dimensionally-printed-temporal-bone-models
#5
Sameer Ahmed, Kyle K VanKoevering, Stephanie Kline, Glenn E Green, H Alexander Arts
OBJECTIVES/HYPOTHESIS: To explore the perioperative utility of three-dimensionally (3D)-printed temporal bone models of patients undergoing repair of lateral skull base defects and spontaneous cerebrospinal fluid leaks with the middle cranial fossa approach. STUDY DESIGN: Case series. METHODS: 3D-printed temporal bone models-based on patient-specific, high-resolution computed tomographic imaging-were constructed using inexpensive polymer materials...
December 9, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27933566/fracture-incidence-rates-in-norwegian-children-the-troms%C3%A3-study-fit-futures
#6
Tore Christoffersen, Luai A Ahmed, Anne Winther, Ole Andreas Nilsen, Anne-Sofie Furberg, Guri Grimnes, Elaine Dennison, Jacqueline R Center, John A Eisman, Nina Emaus
: This study describes childhood fracture rates in Norway, a country known for high fracture rates in the adult population. Fracture rates correspond with other reports from Scandinavia, although with a slightly higher proportion in girls. Indications of increased vulnerability during stages of puberty require further exploration. INTRODUCTION: Fractures are common injuries during childhood. Incidence rates and patterns vary, but population-based data are scarce...
December 2016: Archives of Osteoporosis
https://www.readbyqxmd.com/read/27933498/diazinon-dissipation-in-pesticide-contaminated-paddy-soil-kinetic-modeling-and-isolation-of-a-degrading-mixed-bacterial-culture
#7
Ehssan Torabi, Khalil Talebi, AhmadAli Pourbabaei, Masoud Ahmadzadeh
Dissipation kinetics of diazinon was investigated in soils culled from a paddy field with a long history of the pesticide application. Goodness of fit statistical indices derived from several fitted mono- and bi-exponential kinetic models revealed a bi-phasic pattern of the diazinon dissipation curve at 15 and 150 mg kg(-1) spiking levels, which could be described best by the first-order double exponential decay (FODED) model. Parameters obtained from this model were able to describe the enhanced dissipation of diazinon as the result of repeated soil applications, where a larger fraction of the pesticide readily available in the solution phase was dissipated with a fast rate...
December 8, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27933428/in-6-to-8-year-old-children-cardiorespiratory-fitness-moderates-the-relationship-between-severity-of-life-events-and-health-related-quality-of-life
#8
Markus Gerber, Katharina Endes, Serge Brand, Christian Herrmann, Flora Colledge, Lars Donath, Oliver Faude, Henner Hanssen, Uwe Pühse, Lukas Zahner
PURPOSE: In children, the pathways by which physical activity and fitness are associated with physical and psychological wellbeing are still not fully understood. The present study examines for the first time in young children whether high levels of cardiorespiratory fitness and physical activity moderate the relationship between severity of life events and health-related quality of life. METHODS: Three hundred and seventy-eight children (188 girls, 190 boys, M age = 7...
December 8, 2016: Quality of Life Research
https://www.readbyqxmd.com/read/27933322/silicone-disclosing-material-used-after-ceramic-surface-treatment-reduces-bond-strength
#9
Sara Fraga, Sara Cioccari Oliveira, Gabriel Kalil Rocha Pereira, Pieter Beekman, Marília Pivetta Rippe, Cornelis J Kleverlaan
PURPOSE: To evaluate the effect of a silicone disclosing procedure performed at different timepoints on the shear bond strength (SBS) of cements (self-adhesive composite cement, self-etch composite cement, resin-reinforced glass-ionomer cement) to different substrates (zirconia, lithium disilicate, bovine dentin). MATERIALS AND METHODS: The substrate/cement combinations were assigned to two groups (n = 15) according to the timepoint, at which the vinyl polyether silicone disclosing agent was applied: after (experimental groups, EXP) or before (control groups, CTRL) specific micromechanical treatments of the substrate surface...
December 8, 2016: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/27933308/tailored-transgene-expression-to-specific-cell-types-in-the-central-nervous-system-after-peripheral-injection-with-aav9
#10
Jonathan Dashkoff, Eli P Lerner, Nhi Truong, Jacob A Klickstein, Zhanyun Fan, Dakai Mu, Casey A Maguire, Bradley T Hyman, Eloise Hudry
The capacity of certain adeno-associated virus (AAV) vectors to cross the blood-brain barrier after intravenous delivery offers a unique opportunity for noninvasive brain delivery. However, without a well-tailored system, the use of a peripheral route injection may lead to undesirable transgene expression in nontarget cells or organs. To refine this approach, the present study characterizes the transduction profiles of new self-complementary AAV9 (scAAV9) expressing the green fluorescent protein (GFP) either under an astrocyte (glial fibrillary acidic (GFA) protein) or neuronal (Synapsin (Syn)) promoter, after intravenous injection of adult mice (2 × 10(13) vg/kg)...
2016: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/27933246/a-quantitative-report-on-the-impact-of-chloride-on-the-kinetic-coefficients-of-auxin-induced-growth-a-numerical-contribution-to-the-acid-growth-hypothesis
#11
Mariusz Pietruszka, Aleksandra Haduch-Sendecka
This work presents the application of several our own novel methods of analysing the kinetics of plant growth, which create, among others, a common platform for the comparison of experimental results. A relatively simple formula is used to parameterize the wide range of data that has been obtained for Zea mays L. in the literature, though it can also be used for different species. A biophysical/biochemical interpretation of the parameters was obtained from a theoretical model that is based on a modified Lockhart equation...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27933179/associations-between-genetics-medical-status-physical-exercise-and-psychological-well-being-in-adults-with-cystic-fibrosis
#12
Lena Backström-Eriksson, Agneta Bergsten-Brucefors, Lena Hjelte, Bo Melin, Kimmo Sorjonen
BACKGROUND: Cystic fibrosis (CF) is the most common autosomal recessive, life-shortening disease among people of European origin. Type of genetic mutation and regular physical exercise has an impact on clinical outcome. This cross-sectional study explores the associations between genetics, medical status, physical exercise and psychological well-being in adult patients with CF. METHODS: Adult patients with CF (N=68; mean age: 32.2; range 18-67 years; 46% women) completed the Cystic Fibrosis Questionnaire-Revised and Hospital Anxiety Depression Scale...
2016: BMJ Open Respiratory Research
https://www.readbyqxmd.com/read/27933152/ensuring-availability-of-in-date-and-fit-for-purpose-emergency-guidelines-in-all-anaesthetic-areas-throughout-the-south-east-scotland-deanery
#13
Elise Hindle
Our aim was to institute a system whereby emergency anaesthetic guidelines are available in >90% of appropriate clinical areas throughout each of the acute hospital sites in three health board administrative regions, and whereby >90% of available guidelines are deemed to be in date and fit for purpose. Our objective was to achieve these targets within 6 months. Using quality improvement methodology, we inventoried available emergency anaesthetic guidelines in 132 locations throughout seven acute care hospitals...
2016: BMJ Quality Improvement Reports
https://www.readbyqxmd.com/read/27933139/the-neuromuscular-system-of-pycnophyes-kielensis-kinorhyncha-allomalorhagida-investigated-by-confocal-laser-scanning-microscopy
#14
Andreas Altenburger
BACKGROUND: Kinorhynchs are ecdysozoan animals with a phylogenetic position close to priapulids and loriciferans. To understand the nature of segmentation within Kinorhyncha and to infer a probable ancestry of segmentation within the last common ancestor of Ecdysozoa, the musculature and the nervous system of the allomalorhagid kinorhynch Pycnophyes kielensis were investigated by use of immunohistochemistry, confocal laser scanning microscopy, and 3D reconstruction software. RESULTS: The kinorhynch body plan comprises 11 trunk segments...
2016: EvoDevo
https://www.readbyqxmd.com/read/27933110/profiling-lung-adenocarcinoma-by-liquid-biopsy-can-one-size-fit-all
#15
Harry W Clifford, Amy P Cassidy, Courtney Vaughn, Evaline S Tsai, Bianka Seres, Nirmesh Patel, Hannah L O'Neill, Emil Hewage, John W Cassidy
BACKGROUND: Cancer is first and foremost a disease of the genome. Specific genetic signatures within a tumour are prognostic of disease outcome, reflect subclonal architecture and intratumour heterogeneity, inform treatment choices and predict the emergence of resistance to targeted therapies. Minimally invasive liquid biopsies can give temporal resolution to a tumour's genetic profile and allow the monitoring of treatment response through levels of circulating tumour DNA (ctDNA). However, the detection of ctDNA in repeated liquid biopsies is currently limited by economic and time constraints associated with targeted sequencing...
2016: Cancer Nanotechnology
https://www.readbyqxmd.com/read/27933091/spatially-heterogeneous-environmental-selection-strengthens-evolution-of-reproductively-isolated-populations-in-a-dobzhansky-muller-system-of-hybrid-incompatibility
#16
Samuel A Cushman, Erin L Landguth
Within-species hybrid incompatibility can arise when combinations of alleles at more than one locus have low fitness but where possession of one of those alleles has little or no fitness consequence for the carriers. Limited dispersal with small numbers of mate potentials alone can lead to the evolution of clusters of reproductively isolated genotypes despite the absence of any geographical barriers or heterogeneous selection. In this paper, we explore how adding heterogeneous natural selection on the genotypes (e...
2016: Frontiers in Genetics
https://www.readbyqxmd.com/read/27933066/functionally-diverse-nk-like-t-cells-are-effectors-and-predictors-of-successful-aging
#17
REVIEW
Joshua J Michel, Patricia Griffin, Abbe N Vallejo
The fundamental challenge of aging and long-term survivorship is maintenance of functional independence and compression of morbidity despite a life history of disease. Inasmuch as immunity is a determinant of individual health and fitness, unraveling novel mechanisms of immune homeostasis in late life is of paramount interest. Comparative studies of young and old persons have documented age-related atrophy of the thymus, the contraction of diversity of the T cell receptor (TCR) repertoire, and the intrinsic inefficiency of classical TCR signaling in aged T cells...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27933045/what-is-the-link-between-stringent-response-endoribonuclease-encoding-type-ii-toxin-antitoxin-systems-and-persistence
#18
Bhaskar C M Ramisetty, Dimpy Ghosh, Maoumita Roy Chowdhury, Ramachandran S Santhosh
Persistence is a transient and non-inheritable tolerance to antibiotics by a small fraction of a bacterial population. One of the proposed determinants of bacterial persistence is toxin-antitoxin systems (TASs) which are also implicated in a wide range of stress-related phenomena. Maisonneuve E, Castro-Camargo M, Gerdes K. 2013. Cell 154:1140-1150 reported an interesting link between ppGpp mediated stringent response, TAS, and persistence. It is proposed that accumulation of ppGpp enhances the accumulation of inorganic polyphosphate which modulates Lon protease to degrade antitoxins...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27933026/fitness-costs-predict-emotional-moral-and-attitudinal-inbreeding-aversion
#19
Florence Lespiau, Gwenaël Kaminski
In terms of sexual intercourse, the very last people we think about are our kin. Imagining inbreeding intercourse, whether it involves our closest kin or not, induces aversion in most people who invoke inbreeding depression problems or cultural considerations. Research has focused on the disgust felt when facing inbreeding intercourse between close kin but little is known about other responses. In this study, we considered the influence of fitness costs on aversive reactions by including disgust and emotional reaction as well as moral judgment and attitudes toward inbreeding: higher costs should induce a stronger aversive reaction...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27933021/dimensions-of-compulsive-exercise-across-eating-disorder-diagnostic-subtypes-and-the-validation-of-the-spanish-version-of-the-compulsive-exercise-test
#20
Sarah Sauchelli, Jon Arcelus, Roser Granero, Susana Jiménez-Murcia, Zaida Agüera, Amparo Del Pino-Gutiérrez, Fernando Fernández-Aranda
Objectives: Compulsive exercise in eating disorders has been traditionally considered as a behavior that serves the purpose of weight/shape control. More recently, it has been postulated that there may be other factors that drive the compulsive need to exercise. This has led to the development of the Compulsive Exercise Test (CET); a self-reported questionnaire that aims to explore the cognitive-behavioral underpinnings of compulsive exercise from a multi-faceted perspective. The objectives of this study were threefold: (1) to validate the Spanish version of the CET; (2) to compare eating disorder diagnostic subtypes and a healthy control group in terms of the factors that drive compulsive exercise as defined by the CET; (3) to explore how the dimensions evaluated in the CET are associated with eating disorder symptoms and general psychopathology...
2016: Frontiers in Psychology
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