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https://www.readbyqxmd.com/read/29933410/identification-of-dna-methylation-prognostic-signature-of-acute-myelocytic-leukemia
#1
Haiguo Zhang, Guanli Song, Guanbo Song, Ruolei Li, Min Gao, Ling Ye, Chengfang Zhang
BACKGROUND: The aim of this study is to find the potential survival related DNA methylation signature capable of predicting survival time for acute myelocytic leukemia (AML) patients. METHODS: DNA methylation data were downloaded. DNA methylation signature was identified in the training group, and subsequently validated in an independent validation group. The overall survival of DNA methylation signature was performed. Functional analysis was used to explore the function of corresponding genes of DNA methylation signature...
2018: PloS One
https://www.readbyqxmd.com/read/29933278/personality-and-risk-taking-in-sports-a-focus-on-unintentional-and-intentional-head-impacts-in-amateur-soccer-players
#2
Cara F Levitch, Chloe Ifrah, Mimi Kim, Walter F Stewart, Richard B Lipton, Molly E Zimmerman, Michael L Lipton
OBJECTIVE: In soccer, unintentional and intentional (heading) head impacts are associated with concussive symptoms and cognitive dysfunction. We examined whether personality traits were associated with these behaviors in soccer players. DESIGN: Cross-sectional study. SETTING AND PARTICIPANTS: Participants completed study visits at the Albert Einstein College of Medicine. A total of 307 adult amateur soccer players, recruited from New York City and the surrounding area, completed 737 HeadCount-2w questionnaires...
June 21, 2018: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29933241/optimization-approach-for-estimating-the-required-amount-of-pharmaceuticals-in-the-russian-federation
#3
A V Prasolov, A S Kolbin, Yulia E Balykina
OBJECTIVES: To propose an algorithm that relates the effectiveness of drugs for a wide range of diseases with the financial capabilities of patients. METHODS: Estimates of the volume of pharmaceuticals that are consumed in the Russian Federation by all segments of the population regardless of household income were considered. These were calculated using statistically valid probabilities of the appearance of various diseases, official state data on the structure of expenditures of various strata of the population, and the optimal choice of the most effective medicines with income restrictions taken into account...
June 19, 2018: Value in Health Regional Issues
https://www.readbyqxmd.com/read/29933111/biological-characterization-expression-and-functional-analysis-of-tumor-necrosis-factor-receptor-associated-factor-6-in-nile-tilapia-oreochromis-niloticus
#4
Zhiwen Wang, Yu Huang, Yuan Li, Bei Wang, Yishan Lu, Liqun Xia, Jufen Tang, JiChang Jian
Nile tilapia (Oreochromis niloticus) is a pivotal economic fish that has been plagued by Streptococcus agalactiae infections for many years. Tumor necrosis factor receptor-associated factor 6 (TRAF6) is a crucial adaptor molecule of the interleukin-1 receptor/Toll-like receptor (IL-1/TLR) superfamily, which can trigger downstream signaling cascades involved in innate immunity. In this study, the full-length cDNA of TRAF6 was cloned from O. niloticus (named On-TRAF6), which has an open reading frame of 1716 bp, and encode a polypeptide of 571 amino acids...
June 19, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29933018/surf1-mutations-in-chinese-patients-with-leigh-syndrome-novel-mutations-mutation-spectrum-and-the-functional-consequences
#5
Yuanyuan Li, Shumeng Wen, Dongxiao Li, Jie Xie, Xiujuan Wei, Xiyuan Li, Yi Liu, Hezhi Fang, Yanling Yang, Jianxin Lyu
SURF1 is an assembly factor of mitochondrial complex IV, and its mutations are the primary cause of Leigh syndrome in infants. To date, over 100 SURF1 mutations have been reported worldwide, but the spectrum of the SURF1 mutations in China remains unclear. Here, using next-generation sequencing targeting mitochondrial protein-coding sequences, we sequenced 178 patients suspected to have mitochondrial diseases. Fifteen SURF1 mutations were identified in 12 Leigh syndrome patients, of which three, c.465_466delAA, c...
June 19, 2018: Gene
https://www.readbyqxmd.com/read/29932961/transfer-of-adaptation-reveals-shared-mechanism-in-grasping-and-manual-estimation
#6
Evan Cesanek, Fulvio Domini
An influential idea in cognitive neuroscience is that perception and action are highly separable brain functions, implemented in distinct neural systems. In particular, this theory predicts that the functional distinction between grasping, a skilled action, and manual estimation, a type of perceptual report, should be mirrored by a split between their respective control systems. This idea has received support from a variety of dissociations, yet many of these findings have been criticized for failing to pinpoint the source of the dissociation...
June 19, 2018: Neuropsychologia
https://www.readbyqxmd.com/read/29932945/regional-radiation-dose-response-modeling-of-functional-liver-in-hepatocellular-carcinoma-patients-with-longitudinal-sulfur-colloid-spect-ct-a-proof-of-concept
#7
Ryan G Price, Smith Apisarnthanarax, Stephanie K Schaub, Matthew J Nyflot, Tobias R Chapman, Manuela Matesan, Hubert J Vesselle, Stephen R Bowen
We report on patient-specific quantitative changes in longitudinal sulfur colloid SPECT/CT as a function of regional radiation dose distributions to normal liver in a cohort of hepatocellular carcinoma patients. Dose-response thresholds and slopes varied with baseline liver function metrics, and extreme values were found in patients with fatal hepatotoxicity. Dose-response modeling of normal liver in individual HCC patients has potential to characterize in vivo radiosensitivity, identify high risk subgroups, and personalize treatment planning dose constraints...
June 19, 2018: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29932840/identification-and-characterization-of-candidates-involved-in-production-of-omegas-in-microalgae-a-gene-mining-and-phylogenomic-approach
#8
Vikas U Kapase, Asha A Nesamma, Pannaga P Jutur
Optimizing the production of the high-value renewables such as OMEGAs through pathway engineering requires an in-depth understanding of the structure-function relationship of genes involved in the OMEGA biosynthetic pathways. In this preliminary study, our rationale is to identify and characterize the ∼221 putative genes involved in production of OMEGAs using bioinformatic analysis from the Streptophyte (plants), Chlorophyte (green algae), Rhodophyta (red algae), and Bacillariophyta (diatoms) lineages based on their phylogenomic profiling, conserved motif/domain organization and physico-chemical properties...
June 22, 2018: Preparative Biochemistry & Biotechnology
https://www.readbyqxmd.com/read/29932682/precision-mass-measurements-of-58-63-cr-nuclear-collectivity-towards-the-n-40-island-of-inversion
#9
M Mougeot, D Atanasov, K Blaum, K Chrysalidis, T Day Goodacre, D Fedorov, V Fedosseev, S George, F Herfurth, J D Holt, D Lunney, V Manea, B Marsh, D Neidherr, M Rosenbusch, S Rothe, L Schweikhard, A Schwenk, C Seiffert, J Simonis, S R Stroberg, A Welker, F Wienholtz, R N Wolf, K Zuber
The neutron-rich isotopes ^{58-63}Cr were produced for the first time at the ISOLDE facility and their masses were measured with the ISOLTRAP spectrometer. The new values are up to 300 times more precise than those in the literature and indicate significantly different nuclear structure from the new mass-surface trend. A gradual onset of deformation is found in this proton and neutron midshell region, which is a gateway to the second island of inversion around N=40. In addition to comparisons with density-functional theory and large-scale shell-model calculations, we present predictions from the valence-space formulation of the ab initio in-medium similarity renormalization group, the first such results for open-shell chromium isotopes...
June 8, 2018: Physical Review Letters
https://www.readbyqxmd.com/read/29932474/determinants-of-stakeholders-attitudes-to-xenotransplantation
#10
Latifah Amin, Hasrizul Hashim, Zurina Mahadi, Anisah Che Ngah, Khaidzir Ismail
BACKGROUND: Advances in xenotransplantation have the potential to resolve the issue of organ shortages. Despite this, the procedure is expected to meet with a degree of resistance from the public. The purpose of this study was to identify the relevant factors influencing stakeholders' attitudes towards xenotransplantation. METHODS: A multidimensional survey instrument measuring attitudes to xenotransplantation, including the factors that predict such attitudes, was developed based on earlier studies and validated...
June 22, 2018: Xenotransplantation
https://www.readbyqxmd.com/read/29932467/association-between-comt-snp-variation-and-timidity-in-golden-and-labrador-retrievers
#11
D Luo, X Ma, J Bai, Z Zhou, F Wang, A Wang, J Wang
Timidity in dogs is a trait with high heritability. However, the relevant genetic factors and markers associated with this condition are largely unknown. The function of the catechol-O-methyl transferase (COMT) gene has been found to be associated with human fearful or anxious emotions, and the COMT:p.Val158Met polymorphism locus is significantly related to anxious behavior. In the present study, the correlation between timidity and four single nucleotide polymorphism (SNP) variations (C.-1666C>G c.39A>G, c...
June 22, 2018: Animal Genetics
https://www.readbyqxmd.com/read/29932438/complexity-and-anisotropy-of-plastic-flow-of-%C3%AE-ti-probed-by-acoustic-emission-and-local-extensometry
#12
Mikhail Lebyodkin, Kékéli Amouzou, Tatiana Lebedkina, Thiebaud Richeton, Amandine Roth
Current progress in the prediction of mechanical behavior of solids requires understanding of spatiotemporal complexity of plastic flow caused by self-organization of crystal defects. It may be particularly important in hexagonal materials because of their strong anisotropy and combination of different mechanisms of plasticity, such as dislocation glide and twinning. These materials often display complex behavior even on the macroscopic scale of deformation curves, e.g., a peculiar three-stage elastoplastic transition, the origin of which is a matter of debates...
June 22, 2018: Materials
https://www.readbyqxmd.com/read/29932290/localization-of-fe-s-biosynthesis-machinery-in-cryptosporidium-parvum-mitosome
#13
Christopher N Miller, Lyne Jossé, Anastasios D Tsaousis
Cryptosporidium is a protozoan, apicomplexan, parasite that poses significant risk to humans and animals, as a common cause of potentially fatal diarrhea in immunodeficient hosts. The parasites have evolved a number of unique biological features that allow them to thrive in a highly specialized parasitic lifestyle. For example, the genome of Cryptosporidium parvum is highly reduced, encoding only 3,805 proteins, which is also reflected in its reduced cellular and organellar content and functions. As such, its remnant mitochondrion, dubbed a mitosome, is one of the smallest mitochondria yet found...
June 22, 2018: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/29932288/predicting-parental-distress-among-children-newly-diagnosed-with-craniopharyngioma
#14
Rachel K Peterson, Jason M Ashford, Sarah M Scott, Fang Wang, Hui Zhang, Julie A Bradley, Thomas E Merchant, Heather M Conklin
BACKGROUND: Childhood brain tumor diagnoses are stressful for families. Children diagnosed with craniopharyngioma (Cp) present with particularly challenging medical and cognitive problems due to tumor location and associated biophysiologic comorbidities. This study examined parental distress in a sample of families of patients with Cp treated with proton beam therapy to identify factors for targeting psychological intervention. PROCEDURE: Prior to (n = 96) and 1 year after (n = 73) proton therapy, parents of children diagnosed with Cp (9...
June 22, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29932126/high-and-low-levels-of-an-ntrk2-driven-genetic-profile-affect-motor-and-cognition-associated-frontal-gray-matter-in-prodromal-huntington-s-disease
#15
Jennifer A Ciarochi, Jingyu Liu, Vince Calhoun, Hans Johnson, Maria Misiura, H Jeremy Bockholt, Flor A Espinoza, Arvind Caprihan, Sergey Plis, Jessica A Turner, Jane S Paulsen
This study assessed how BDNF (brain-derived neurotrophic factor) and other genes involved in its signaling influence brain structure and clinical functioning in pre-diagnosis Huntington's disease (HD). Parallel independent component analysis (pICA), a multivariate method for identifying correlated patterns in multimodal datasets, was applied to gray matter concentration (GMC) and genomic data from a sizeable PREDICT-HD prodromal cohort ( N = 715). pICA identified a genetic component highlighting NTRK2 , which encodes BDNF's TrkB receptor, that correlated with a GMC component including supplementary motor, precentral/premotor cortex, and other frontal areas ( p < 0...
June 22, 2018: Brain Sciences
https://www.readbyqxmd.com/read/29932112/n-glycosylation-regulates-pannexin-2-localization-but-is-not-required-for-interacting-with-pannexin-1
#16
Rafael E Sanchez-Pupo, Danielle Johnston, Silvia Penuela
Pannexins (Panx1, 2, 3) are channel-forming glycoproteins expressed in mammalian tissues. We previously reported that N-glycosylation acts as a regulator of the localization and intermixing of Panx1 and Panx3, but its effects on Panx2 are currently unknown. Panx1 and Panx2 intermixing can regulate channel properties, and both pannexins have been implicated in neuronal cell death after ischemia. Our objectives were to validate the predicted N-glycosylation site of Panx2 and to study the effects of Panx2 glycosylation on localization and its capacity to interact with Panx1...
June 22, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29931811/bacteroides-fragilis-requires-the-ferrous-iron-transporter-feoab-and-the-cobn-like-proteins-btus1-and-btus2-for-assimilation-of-iron-released-from-heme
#17
Edson R Rocha, Hector A Bergonia, Svetlana Gerdes, Charles Jeffrey Smith
The intestinal commensal and opportunistic anaerobic pathogen Bacteroides fragilis has an essential requirement for both heme and free iron to support growth in extraintestinal infections. In the absence of free iron, B. fragilis can utilize heme as the sole source of iron. However, the mechanisms to remove iron from heme are not completely understood. In this study, we show that the inner membrane ferrous iron transporter ∆feoAB mutant strain is no longer able to grow with heme as the sole source of iron...
June 21, 2018: MicrobiologyOpen
https://www.readbyqxmd.com/read/29931807/comparison-of-three-different-dispersive-liquid-liquid-microextraction-modes-performed-on-their-most-usual-configurations-for-the-extraction-of-phenolic-neutral-aromatic-and-amino-compounds-from-waters
#18
Mohammad Saraji, Hoda Ghambari
In this work we seek clues to select the appropriate dispersive liquid-liquid microextraction mode for extracting three categories of compounds. For this purpose, three common dispersive liquid-liquid microextraction modes were compared under optimized conditions. Traditional dispersive liquid-liquid microextraction, in situ ionic liquid dispersive liquid-liquid microextraction and conventional ionic liquid dispersive liquid-liquid microextraction using chloroform, 1-butyl-3-methylimidazolium tetrafluoroborate, and 1-hexyl-3-methylimidazolium hexafluorophosphate as the extraction solvent, respectively, were considered in this work...
June 21, 2018: Journal of Separation Science
https://www.readbyqxmd.com/read/29931772/trait-based-predictions-and-responses-from-laboratory-mite-populations-to-harvesting-in-stochastic-environments
#19
Isabel M Smallegange, Hedwig M Ens
Predictions on population responses to perturbations are often derived from trait-based approaches like integral projection models (IPMs), but are rarely tested. IPMs are constructed from functions that describe survival, growth and reproduction in relation to the traits of individuals and their environment. Although these functions comprise biologically non-informative statistical coefficients within standard IPMs, model parameters of the recently developed dynamic energy budget IPM (DEB-IPM) are life-history traits like "length at maturation" and "maximum reproduction rate"...
July 2018: Journal of Animal Ecology
https://www.readbyqxmd.com/read/29931770/the-influence-of-early-life-allocation-to-antlers-on-male-performance-during-adulthood-evidence-from-contrasted-populations-of-a-large-herbivore
#20
Jean-François Lemaître, Louise Cheynel, Frédéric Douhard, Gilles Bourgoin, François Débias, Hubert Ferté, Emmanuelle Gilot-Fromont, Sylvia Pardonnet, Maryline Pellerin, Benjamin Rey, Cécile Vanpé, A J Mark Hewison, Jean-Michel Gaillard
To secure mating opportunities, males often develop and maintain conspicuous traits that are involved in intrasexual and/or intersexual competition. While current models of sexual selection rely on the assumption that producing such traits is costly, quantifying the cost of allocating to secondary sexual traits remains challenging. According to the principle of allocation, high energy allocation to growth or sexual traits in males should lead to reduced energy allocation to the maintenance of cellular and physiological functions, potentially causing them to age faster, with impaired survival...
July 2018: Journal of Animal Ecology
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