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https://www.readbyqxmd.com/read/29164741/effects-of-breed-proportion-and-components-of-heterosis-for-semen-traits-in-a-composite-cattle-breed
#1
N Khayatzadeh, G Mészáros, Y T Utsunomiya, F Schmitz-Hsu, F Seefried, U Schnyder, M Ferenčaković, J F Garcia, I Curik, J Sölkner
The aim of this study was to estimate the non-additive genetic effects of the dominance component of heterosis as well as epistatic loss on semen traits in admixed Swiss Fleckvieh, a composite of Simmental (SI) and Red Holstein Friesian (RHF) cattle. Heterosis is the additional gain in productivity or fitness of cross-bred progeny over the mid-purebred parental populations. Intralocus gene interaction usually has a positive effect, while epistatic loss generally reduces productivity or fitness due to lack of evolutionarily established interactions of genes from different breeds...
November 22, 2017: Journal of Animal Breeding and Genetics, Zeitschrift Für Tierzüchtung und Züchtungsbiologie
https://www.readbyqxmd.com/read/29163325/an-illustration-of-the-exploratory-structural-equation-modeling-esem-framework-on-the-passion-scale
#2
István Tóth-Király, Beáta Bõthe, Adrien Rigó, Gábor Orosz
While exploratory factor analysis (EFA) provides a more realistic presentation of the data with the allowance of item cross-loadings, confirmatory factor analysis (CFA) includes many methodological advances that the former does not. To create a synergy of the two, exploratory structural equation modeling (ESEM) was proposed as an alternative solution, incorporating the advantages of EFA and CFA. The present investigation is thus an illustrative demonstration of the applicability and flexibility of ESEM. To achieve this goal, we compared CFA and ESEM models, then thoroughly tested measurement invariance and differential item functioning through multiple-indicators-multiple-causes (MIMIC) models on the Passion Scale, the only measure of the Dualistic Model of Passion (DMP) which differentiates between harmonious and obsessive forms of passion...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/29162524/the-impact-of-aneurysm-location-on-incidence-and-etiology-of-hyponatremia-following-subarachnoid-hemorrhage
#3
Haydn Hoffman, Robert Ziechmann, Grahame Gould, Lawrence S Chin
BACKGROUND: Hyponatremia is the most common electrolyte abnormality in patients with aneurysmal subarachnoid hemorrhage (aSAH). The syndrome of inappropriate antidiuretic hormone secretion (SIADH) and cerebral salt wasting (CSW) are the most common etiologies. Whether or not the location of the ruptured aneurysm is associated with the etiology of hyponatremia is unknown. We sought to determine whether or not the incidence of SIADH and CSW after aSAH differ based on aneurysm location. METHODS: A retrospective analysis of 335 consecutive patients who presented with aSAH at a single institution was performed...
November 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29159310/factors-associated-with-gender-affirming-surgery-and-age-of-hormone-therapy-initiation-among-transgender-adults
#4
Noor Beckwith, Sari L Reisner, Shayne Zaslow, Kenneth H Mayer, Alex S Keuroghlian
Purpose: Gender-affirming surgeries and hormone therapy are medically necessary treatments to alleviate gender dysphoria; however, significant gaps exist in the research and clinical literature on surgery utilization and age of hormone therapy initiation among transgender adults. Methods: We conducted a retrospective review of electronic health record data from a random sample of 201 transgender patients of ages 18-64 years who presented for primary care between July 1, 2010 and June 30, 2015 (inclusive) at an urban community health center in Boston, MA...
2017: Transgender Health
https://www.readbyqxmd.com/read/29157624/language-specific-strategy-for-programming-hearing-aids-a-double-blind-randomized-controlled-crossover-study
#5
Nozomu Matsumoto, Nobuyoshi Suzuki, Satoshi Iwasaki, Kazuha Ishikawa, Hiroki Tsukiji, Yoshie Higashino, Tomoko Tabuki, Takashi Nakagawa
OBJECTIVE: Voice-aligned compression (VAC) is a method used in Oticon's hearing aids to provide more comfortable hearing without sacrificing speech discrimination. The complex, non-linear compression curve for the VAC strategy is designed based on the frequency profile of certain spoken Western languages. We hypothesized that hearing aids could be further customized for Japanese-speaking users by modifying the compression curve using the frequency profile of spoken Japanese. METHODS: A double-blind randomized controlled crossover study was performed to determine whether or not Oticon's modified amplification strategy (VAC-J) provides subjectively preferable hearing aids for Japanese-speaking hearing aid users compared to the same company's original amplification strategy (VAC)...
November 17, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29157151/health-benefits-of-hard-martial-arts-in-adults-a-systematic-review
#6
Sandra Origua Rios, Jennifer Marks, Isaac Estevan, Lisa M Barnett
Participation in organized sports is promoted as a means of increasing physical activity levels and reducing chronic disease risk in adults. Hard martial arts practice (i.e. using body contact techniques), has gained in popularity over time. This review explores the evidence for health benefits of "hard" martial arts practice within the adult population. A systematic electronic database search was conducted, and quality assessments applied the Effective Public Health Practice Project tool. Twenty-eight studies met the inclusion criteria, examining balance, cognitive function, muscular skeletal status, psychological, cardiovascular fitness, and metabolic effects...
November 21, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29156352/a-homogenization-approach-for-the-effective-drained-viscoelastic-properties-of-2d-porous-media-and-an-application-for-cortical-bone
#7
Sy-Tuan Nguyen, Mai-Ba Vu, Minh-Ngoc Vu, Quy-Dong To
Closed-form solutions for the effective rheological properties of a 2D viscoelastic drained porous medium made of a Generalized Maxwell viscoelastic matrix and pore inclusions are developed and applied for cortical bone. The in-plane (transverse) effective viscoelastic bulk and shear moduli of the Generalized Maxwell rheology of the homogenized medium are expressed as functions of the porosity and the viscoelastic properties of the solid phase. When deriving these functions, the classical inverse Laplace-Carson transformation technique is avoided, due to its complexity, by considering the short and long term approximations...
November 13, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29155819/determinants-of-site-of-tuberculosis-disease-an-analysis-of-european-surveillance-data-from-2003-to-2014
#8
Giovanni Sotgiu, Dennis Falzon, Vahur Hollo, Csaba Ködmön, Nicolas Lefebvre, Andrei Dadu, Marieke van der Werf
BACKGROUND: We explored host-related factors associated with the site of tuberculosis (TB) disease using variables routinely collected by the 31 EU/EEA countries for national surveillance. METHODS: Logistic regression models were fitted to case-based surveillance data reported to the European Centre for Disease Prevention and Control for TB cases notified from 2003 to 2014. Missing data on HIV infection and on susceptibility to isoniazid and rifampicin for many patients precluded the inclusion of these variables in the analysis...
2017: PloS One
https://www.readbyqxmd.com/read/29150840/longitudinal-pathways-between-mental-health-difficulties-and-academic-performance-during-middle-childhood-and-early-adolescence
#9
Jessica Deighton, Neil Humphrey, Jay Belsky, Jan Boehnke, Panos Vostanis, Praveetha Patalay
There is a growing appreciation that child functioning in different domains, levels, or systems are interrelated over time. Here, we investigate links between internalizing symptoms, externalizing problems, and academic attainment during middle childhood and early adolescence, drawing on two large data sets (child: mean age 8.7 at enrolment, n = 5,878; adolescent: mean age 11.7, n = 6,388). Using a 2-year cross-lag design, we test three hypotheses - adjustment erosion, academic incompetence, and shared risk - while also examining the moderating influence of gender...
November 18, 2017: British Journal of Developmental Psychology
https://www.readbyqxmd.com/read/29149190/improved-capture-of-drosophila-suzukii-by-a-trap-baited-with-two-attractants-in-the-same-device
#10
Rodrigo Lasa, Eduardo Tadeo, Ricardo A Toledo-Hérnandez, Lino Carmona, Itzel Lima, Trevor Williams
The improvement of trap-lure combinations is an important part of integrated pest management programs that involve monitoring pests for timely insecticide applications, or for their use in control strategies such as mass trapping or bait stations. In this study improvements in the capture of Drosophila suzukii were not observed following the inclusion of different color stimuli with respect to a red-black stripe cup trap. This red-black stripe trap with a hemispherical dome-shaped lid had a significantly improved physical retention of flies compared to traps fitted with a flat lid...
2017: PloS One
https://www.readbyqxmd.com/read/29144028/efficacy-and-safety-of-different-regimens-for-primary-open-angle-glaucoma-or-ocular-hypertension-a-systematic-review-and-network-meta-analysis
#11
Fei Li, Wenbin Huang, Xiulan Zhang
PURPOSE: To assess the efficacy and safety of different regimens, including monotherapy and double therapy, for primary open-angle glaucoma (POAG) or ocular hypertension. METHODS: We searched PubMed, EMBASE and clinicaltrials.gov for studies that fit our inclusion criteria in this network meta-analysis. Randomized controlled trials that report data on efficacy and safety of medications for POAG or ocular hypertension are included. Data on intra-ocular pressure (IOP) lowering effect and incidence of adverse events including hyperaemia and ocular discomfort were extracted and used in mixed-comparison analysis...
November 16, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29143670/genes-to-predict-vo2max-trainability-a-systematic-review
#12
REVIEW
Camilla J Williams, Mark G Williams, Nir Eynon, Kevin J Ashton, Jonathan P Little, Ulrik Wisloff, Jeff S Coombes
BACKGROUND: Cardiorespiratory fitness (VO2max) is an excellent predictor of chronic disease morbidity and mortality risk. Guidelines recommend individuals undertake exercise training to improve VO2max for chronic disease reduction. However, there are large inter-individual differences between exercise training responses. This systematic review is aimed at identifying genetic variants that are associated with VO2max trainability. METHODS: Peer-reviewed research papers published up until October 2016 from four databases were examined...
November 14, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29142115/males-harm-females-less-when-competing-with-familiar-relatives
#13
Samuel J Lymbery, Leigh W Simmons
Sexual conflict occurs when reproductive partners have different fitness optima, and can lead to the evolution of traits in one sex that inflict fitness costs on the opposite sex. Recently, it has been proposed that antagonism by males towards females should be reduced when they compete with relatives, because reducing the future productivity of a female would result in an indirect fitness cost for a harmful male. We tested this prediction in the seed beetle Callosobruchus maculatus, the males of which harm females with genital spines and pre-copulatory harassment...
November 29, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/29140914/sequencing-effects-of-neuromuscular-training-on-physical-fitness-in-youth-elite-tennis-players
#14
Jaime Fernandez-Fernandez, Urs Granacher, David Sanz-Rivas, Jose Manuel Sarabia Marín, Jose Luis Hernandez-Davo, Manuel Moya
Fernandez-Fernandez, J, Granacher, U, Sanz-Rivas, D, Sarabia Marín, JM, Hernandez-Davo, JL, and Moya, M. Sequencing effects of neuromuscular training on physical fitness in youth elite tennis players. J Strength Cond Res XX(X): 000-000, 2017-The aim of this study was to analyze the effects of a 5-week neuromuscular training (NMT) implemented before or after a tennis session in prepubertal players on selected components of physical fitness. Sixteen elite and well-trained tennis players with a mean age of 12...
November 14, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29140849/endoscopic-submucosal-dissection-for-superficial-proximal-esophageal-neoplasia-is-highly-successful
#15
Yi-Qun Zhang, Tao Chen, Chen Zhang, Quan-Lin Li, Wei-Feng Chen, Li-Qing Yao, Ping-Hong Zhou, Mei-Dong Xu
OBJECTIVE: The aim of this study was to evaluate the outcomes of endoscopic submucosal dissection (ESD) for superficial proximal esophageal neoplasia. SUMMARY OF BACKGROUND DATA: The surgery for a tumor located in proximal esophagus is relatively difficult and leads to a high morbidity and mortality. ESD is a minimally invasive endoscopic treatment of superficial neoplasia of the gastrointestinal tract allowing en block resection with low recurrence rates; however, ESD for superficial proximal esophageal neoplasia is little known...
December 2017: Annals of Surgery
https://www.readbyqxmd.com/read/29137544/effect-of-aerobic-training-on-peak-oxygen-uptake-among-seniors-aged-70-or-over-a-meta-analysis-of-randomized-controlled-trials
#16
Walid Bouaziz, Lukshe Kanagaratnam, Thomas Vogel, Elise Schmitt, Moustapha Dramé, Georges Kaltenbach, Bernard Geny, Pierre Olivier Lang
Older adults undergo a progressive decline in cardiorespiratory fitness and functional capacity. This lower peak oxygen uptake (VO2peak) level is associated with increased risk of frailty, dependency, loss of autonomy, and mortality from all causes. Regular physical activity and particularly aerobic training (AT) has been shown to contribute to better and healthy ageing. We conducted a meta-analysis in order to measure the exact benefit of AT on VO2peak in seniors aged 70 years or over. A comprehensive, systematic database search for manuscripts was performed in Embase, Medline, PubMed Central, ScienceDirect, Scopus, and Web of Science using key words...
November 14, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/29131829/a-non-linear-data-mining-parameter-selection-algorithm-for-continuous-variables
#17
Peyman Tavallali, Marianne Razavi, Sean Brady
In this article, we propose a new data mining algorithm, by which one can both capture the non-linearity in data and also find the best subset model. To produce an enhanced subset of the original variables, a preferred selection method should have the potential of adding a supplementary level of regression analysis that would capture complex relationships in the data via mathematical transformation of the predictors and exploration of synergistic effects of combined variables. The method that we present here has the potential to produce an optimal subset of variables, rendering the overall process of model selection more efficient...
2017: PloS One
https://www.readbyqxmd.com/read/29131308/glycosyltransferase-cascades-made-fit-for-chemical-production-integrated-biocatalytic-process-for-the-natural-polyphenol-c-glucoside-nothofagin
#18
Katharina Schmölzer, Martin Lemmerer, Bernd Nidetzky
Glycosyltransferase cascades are promising tools of biocatalysis for natural product glycosylation, but their suitability for actual production remains to be shown. Here, we demonstrate at a scale of 100 g isolated product the integrated biocatalytic production of nothofagin, the natural 3'-C-β-D-glucoside of the polyphenol phloretin. A parallel reaction cascade involving coupled C-glucosyltransferase and sucrose synthase was optimized for the one-pot glucosylation of phloretin from sucrose via an UDP/UDP-glucose shuttle...
November 13, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29130539/sources-of-systematic-error-in-proton-density-fat-fraction-pdff-quantification-in-the-liver-evaluated-from-magnitude-images-with-different-numbers-of-echoes
#19
Mark Bydder, Gavin Hamilton, Ludovic de Rochefort, Ajinkya Desai, Elhamy R Heba, Rohit Loomba, Jeffrey B Schwimmer, Nikolaus M Szeverenyi, Claude B Sirlin
The purpose of this work was to investigate sources of bias in magnetic resonance imaging (MRI) liver fat quantification that lead to a dependence of the proton density fat fraction (PDFF) on the number of echoes. This was a retrospective analysis of liver MRI data from 463 subjects. The magnitude signal variation with TE from spoiled gradient echo images was curve fitted to estimate the PDFF using a model that included monoexponential R2 * decay and a multi-peak fat spectrum. Additional corrections for non-exponential decay (Gaussian), bi-exponential decay, degree of fat saturation, water frequency shift and noise bias were introduced...
November 12, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/29128215/meta-analysis-to-predict-the-effects-of-metabolizable-amino-acids-on-dairy-cattle-performance
#20
I J Lean, M B de Ondarza, C J Sniffen, J E P Santos, K E Griswold
Meta-analytic methods were used to determine statistical relationships between metabolizable AA supplies and milk protein yield, milk protein percentage, and milk yield in lactating dairy cows. Sixty-three research publications (258 treatment means) were identified through a search of published literature using 3 search engines and met the criteria for inclusion in this meta-analysis. The Cornell Net Carbohydrate and Protein System (CNCPS) version 6.5 was used to determine dietary nutrient parameters including metabolizable AA...
November 8, 2017: Journal of Dairy Science
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