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https://www.readbyqxmd.com/read/29346783/does-2-pro-prostate-specific-antigen-meet-the-criteria-to-justify-its-inclusion-in-the-clinical-decision-making-process
#1
Angeles Sanchis-Bonet, Marta Barrionuevo-González, Ana Bajo-Chueca, Nelson Morales-Palacios, Manuel Sanchez-Chapado
INTRODUCTION: To assess whether [-2]pro-prostate-specific antigen (p2PSA) meets the criteria to justify its inclusion in a predictive model of prostate cancer (PCa) diagnosis and in the clinical decision-making process. MATERIALS AND METHODS: A total 172 men with total prostate-specific antigen of 2-10 ng/mL underwent measurement of free PSA and p2PSA before prostate biopsy in an observational and prospective study. From these measurements, the Prostate Health Index (PHI) was calculated...
January 18, 2018: Urologia Internationalis
https://www.readbyqxmd.com/read/29346762/transcriptome-and-dna-methylome-analysis-in-a-mouse-model-of-diet-induced-obesity-predicts-increased-risk-of-colorectal-cancer
#2
Ruifang Li, Sara A Grimm, Deepak Mav, Haiwei Gu, Danijel Djukovic, Ruchir Shah, B Alex Merrick, Daniel Raftery, Paul A Wade
Colorectal cancer (CRC) tends to occur at older age; however, CRC incidence rates have been rising sharply among young age groups. The increasing prevalence of obesity is recognized as a major risk, yet the mechanistic underpinnings remain poorly understood. Using a diet-induced obesity mouse model, we identified obesity-associated molecular changes in the colonic epithelium of young and aged mice, and we further investigated whether the changes were reversed after weight loss. Transcriptome analysis indicated that obesity-related colonic cellular metabolic switch favoring long-chain fatty acid oxidation happened in young mice, while obesity-associated downregulation of negative feedback regulators of pro-proliferative signaling pathways occurred in older mice...
January 16, 2018: Cell Reports
https://www.readbyqxmd.com/read/29346751/the-brain-compass-a-perspective-on-how-self-motion-updates-the-head-direction-cell-attractor
#3
REVIEW
Jean Laurens, Dora E Angelaki
Head direction cells form an internal compass signaling head azimuth orientation even without visual landmarks. This property is generated by a neuronal ring attractor that is updated using rotation velocity cues. The properties and origin of this velocity drive remain, however, unknown. We propose a quantitative framework whereby this drive represents a multisensory self-motion estimate computed through an internal model that uses sensory prediction errors of vestibular, visual, and somatosensory cues to improve on-line motor drive...
January 17, 2018: Neuron
https://www.readbyqxmd.com/read/29346735/mechanisms-of-modulation-of-calcium-phosphate-pathological-mineralization-by-mobile-and-immobile-small-molecule-inhibitors
#4
Meng Li, Jing Zhang, Lijun Wang, Baoshan Wang, Christine V Putnis
Potential pathways for inhibiting crystal growth are either via disrupting local microenvironments surrounding crystal-solution interfaces or physically blocking solute molecule attachment. However, the actual mode of inhibition may be more complicated due to the characteristic time scale for the inhibitor adsorption and relaxation to a well-bound state at crystal surfaces. Here we demonstrate the role of citrate (CA) and hydroxycitrate (HCA) in brushite (DCPD, CaHPO4·2H2O) crystallization over a broad range of both inhibitor concentrations and supersaturations by in situ atomic force microscopy (AFM)...
January 18, 2018: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29346645/performance-of-an-easy-to-use-prediction-model-for-renal-patient-survival-an-external-validation-study-using-data-from-the-era-edta-registry
#5
Aline C Hemke, Martin B A Heemskerk, Merel van Diepen, Anneke Kramer, Johan de Meester, James G Heaf, José Maria Abad Diez, Marta Torres Guinea, Patrik Finne, Philippe Brunet, Bjørn E Vikse, Fergus J Caskey, Jamie P Traynor, Ziad A Massy, Cécile Couchoud, Jaap W Groothoff, Maurizio Nordio, Kitty J Jager, Friedo W Dekker, Andries J Hoitsma
Background: An easy-to-use prediction model for long-term renal patient survival based on only four predictors [age, primary renal disease, sex and therapy at 90 days after the start of renal replacement therapy (RRT)] has been developed in The Netherlands. To assess the usability of this model for use in Europe, we externally validated the model in 10 European countries. Methods: Data from the European Renal Association-European Dialysis and Transplant Association (ERA-EDTA) Registry were used...
January 16, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29346625/complete-genomic-and-transcriptional-landscape-analysis-using-third-generation-sequencing-a-case-study-of-saccharomyces-cerevisiae-cen-pk113-7d
#6
Piroon Jenjaroenpun, Thidathip Wongsurawat, Rui Pereira, Preecha Patumcharoenpol, David W Ussery, Jens Nielsen, Intawat Nookaew
Completion of eukaryal genomes can be difficult task with the highly repetitive sequences along the chromosomes and short read lengths of second-generation sequencing. Saccharomyces cerevisiae strain CEN.PK113-7D, widely used as a model organism and a cell factory, was selected for this study to demonstrate the superior capability of very long sequence reads for de novo genome assembly. We generated long reads using two common third-generation sequencing technologies (Oxford Nanopore Technology (ONT) and Pacific Biosciences (PacBio)) and used short reads obtained using Illumina sequencing for error correction...
January 13, 2018: Nucleic Acids Research
https://www.readbyqxmd.com/read/29346585/maternal-vaccination-with-a-mono-component-pertussis-toxoid-vaccine-is-sufficient-to-protect-infants-in-a-baboon-model-of-whooping-cough
#7
Parul Kapil, James F Papin, Roman F Wolf, Lindsey I Zimmerman, Leslie D Wagner, Tod J Merkel
Background: Bordetella pertussis is a human pathogen responsible for serious respiratory illness. The disease is most severe in infants too young to be vaccinated with most hospitalizations and deaths occurring within this age group. The Advisory Committee on Immunization Practices recommended immunization of pregnant women to protect infants from birth until their first vaccination at six to eight weeks of age. We previously demonstrated that maternal vaccination with licensed acellular pertussis vaccines protected newborn baboons from disease...
January 15, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29346559/predicting-plant-biomass-accumulation-from-image-derived-parameters
#8
Dijun Chen, Rongli Shi, Jean-Michel Pape, Kerstin Neumann, Daniel Arend, Andreas Graner, Ming Chen, Christian Klukas
Background: Image-based high-throughput phenotyping technologies have been rapidly developed in plant science recently and they provide a great potential to gain more valuable information than traditionally destructive methods. Predicting plant biomass is regarded as a key purpose for plant breeders and ecologist. However, it is a great challenge to find a predictive biomass model across experiments. Results: In the present study, we constructed four predictive models to examine the quantitative relationship between image-based features and plant biomass accumulation...
January 16, 2018: GigaScience
https://www.readbyqxmd.com/read/29346518/determinants-of-health-trajectories-in-england-and-the-us-an-approach-to-identify-different-patterns-of-healthy-aging
#9
Javier de la Fuente, Francisco Félix Caballero, Albert Sánchez-Niubó, Demosthenes B Panagiotakos, Matthew A Prina, Holger Arndt, Josep Maria Haro, Somnath Chatterji, José Luis Ayuso-Mateos
Background: Aging is a multidimensional process with a remarkable inter-individual variability. This study is focused on identifying groups of population with similar aging patterns, and to define the health trajectories of these groups. Socio-demographic and health determinants of these trajectories are also identified. Methods: Data from the English Longitudinal Study of Aging (ELSA) and the Health and Retirement Study (HRS) were used. A set of self-reported health items and measured tests were used to generate a latent health metric by means of a Bayesian multilevel IRT model, assessing the ability of the metric to predict mortality...
January 16, 2018: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29346471/use-of-single-nucleotide-polymorphisms-and-mammographic-density-plus-classic-risk-factors-for-breast-cancer-risk-prediction
#10
Elke M van Veen, Adam R Brentnall, Helen Byers, Elaine F Harkness, Susan M Astley, Sarah Sampson, Anthony Howell, William G Newman, Jack Cuzick, D Gareth R Evans
Importance: Single-nucleotide polymorphisms (SNPs) have demonstrated an association with breast cancer susceptibility, but there is limited evidence on how to incorporate them into current breast cancer risk prediction models. Objective: To determine whether a panel of 18 SNPs (SNP18) may be used to predict breast cancer in combination with classic risk factors and mammographic density. Design, Setting, and Participants: This cohort study enrolled a subcohort of 9363 women, aged 46 to 73 years, without a previous breast cancer diagnosis from the larger prospective cohort of the PROCAS study (Predicting Risk of Cancer at Screening) specifically to evaluate breast cancer risk-assessment methods...
January 18, 2018: JAMA Oncology
https://www.readbyqxmd.com/read/29346451/an-approach-for-predicting-the-compressive-strength-of-cement-based-materials-exposed-to-sulfate-attack
#11
Huaicheng Chen, Chunxiang Qian, Chengyao Liang, Wence Kang
In this paper, a support vector machine (SVM) model which can be used to predict the compressive strength of mortars exposed to sulfate attack was established. An accelerated corrosion test was applied to collect compressive strength data. For predicting the compressive strength of mortars, a total of 638 data samples obtained from experiment was chosen as a dataset to establish a SVM model. The values of the coefficient of determination, the mean absolute error, the mean absolute percentage error and the root mean square error were used for evaluating the predictive accuracy...
2018: PloS One
https://www.readbyqxmd.com/read/29346391/development-and-validation-of-a-population-based-risk-algorithm-for-obesity-the-obesity-population-risk-tool-oport
#12
Michael Lebenbaum, Osvaldo Espin-Garcia, Yi Li, Laura C Rosella
BACKGROUND: Given the dramatic rise in the prevalence of obesity, greater focus on prevention is necessary. We sought to develop and validate a population risk tool for obesity to inform prevention efforts. METHODS: We developed the Obesity Population Risk Tool (OPoRT) using the longitudinal National Population Health Survey and sex-specific Generalized Estimating Equations to predict the 10-year risk of obesity among adults 18 and older. The model was validated using a bootstrap approach accounting for the survey design...
2018: PloS One
https://www.readbyqxmd.com/read/29346386/histological-subtypes-of-mouse-mammary-tumors-reveal-conserved-relationships-to-human-cancers
#13
Daniel P Hollern, Matthew R Swiatnicki, Eran R Andrechek
Human breast cancer has been characterized by extensive transcriptional heterogeneity, with dominant patterns reflected in the intrinsic subtypes. Mouse models of breast cancer also have heterogeneous transcriptomes and we noted that specific histological subtypes were associated with particular subsets. We hypothesized that unique sets of genes define each tumor histological type across mouse models of breast cancer. Using mouse models that contained both gene expression data and expert pathologist classification of tumor histology on a sample by sample basis, we predicted and validated gene expression signatures for Papillary, EMT, Microacinar and other histological subtypes...
January 2018: PLoS Genetics
https://www.readbyqxmd.com/read/29346383/seasonally-timed-treatment-programs-for-ascaris-lumbricoides-to-increase-impact-an-investigation-using-mathematical-models
#14
Emma L Davis, Leon Danon, Joaquín M Prada, Sharmini A Gunawardena, James E Truscott, Johnny Vlaminck, Roy M Anderson, Bruno Levecke, Eric R Morgan, T Deirdre Hollingsworth
There is clear empirical evidence that environmental conditions can influence Ascaris spp. free-living stage development and host reinfection, but the impact of these differences on human infections, and interventions to control them, is variable. A new model framework reflecting four key stages of the A. lumbricoides life cycle, incorporating the effects of rainfall and temperature, is used to describe the level of infection in the human population alongside the environmental egg dynamics. Using data from South Korea and Nigeria, we conclude that settings with extreme fluctuations in rainfall or temperature could exhibit strong seasonal transmission patterns that may be partially masked by the longevity of A...
January 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29346372/ceramides-in-tracheal-aspirates-of-preterm-infants-marker-for-bronchopulmonary-dysplasia
#15
Esther van Mastrigt, Salomé Zweekhorst, Bas Bol, Jeroen Tibboel, Joost van Rosmalen, Janneke N Samsom, André A Kroon, Johan C de Jongste, Irwin K M Reiss, Martin Post, Mariëlle W Pijnenburg
BACKGROUND: In an experimental mouse model we showed that ceramides play a role in the pathogenesis of bronchopulmonary dysplasia (BPD) and are a potential target for therapeutic intervention. We investigated whether ceramides are detectable in tracheal aspirates (TAs) of preterm infants and differ between infants with or without BPD. METHODS: Infants born ≤ 32 weeks of gestational age in need of mechanical ventilation in the first week of life were included. TAs were obtained directly after intubation and at day 1, 3, 5, 7, and 14...
2018: PloS One
https://www.readbyqxmd.com/read/29346370/structure-function-and-control-of-the-human-musculoskeletal-network
#16
Andrew C Murphy, Sarah F Muldoon, David Baker, Adam Lastowka, Brittany Bennett, Muzhi Yang, Danielle S Bassett
The human body is a complex organism, the gross mechanical properties of which are enabled by an interconnected musculoskeletal network controlled by the nervous system. The nature of musculoskeletal interconnection facilitates stability, voluntary movement, and robustness to injury. However, a fundamental understanding of this network and its control by neural systems has remained elusive. Here we address this gap in knowledge by utilizing medical databases and mathematical modeling to reveal the organizational structure, predicted function, and neural control of the musculoskeletal system...
January 2018: PLoS Biology
https://www.readbyqxmd.com/read/29346366/testing-for-soil-transmitted-helminth-transmission-elimination-analysing-the-impact-of-the-sensitivity-of-different-diagnostic-tools
#17
Marleen Werkman, James E Wright, James E Truscott, Alice V Easton, Rita G Oliveira, Jaspreet Toor, Alison Ower, Kristjana H Ásbjörnsdóttir, Arianna R Means, Sam H Farrell, Judd L Walson, Roy M Anderson
In recent years, an increased focus has been placed upon the possibility of the elimination of soil-transmitted helminth (STH) transmission using various interventions including mass drug administration. The primary diagnostic tool recommended by the WHO is the detection of STH eggs in stool using the Kato-Katz (KK) method. However, detecting infected individuals using this method becomes increasingly difficult as the intensity of infection decreases. Newer techniques, such as qPCR, have been shown to have greater sensitivity than KK, especially at low prevalence...
January 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29346328/comparison-of-svm-rf-and-elm-on-an-electronic-nose-for-the-intelligent-evaluation-of-paraffin-samples
#18
Hong Men, Songlin Fu, Jialin Yang, Meiqi Cheng, Yan Shi, Jingjing Liu
Paraffin odor intensity is an important quality indicator when a paraffin inspection is performed. Currently, paraffin odor level assessment is mainly dependent on an artificial sensory evaluation. In this paper, we developed a paraffin odor analysis system to classify and grade four kinds of paraffin samples. The original feature set was optimized using Principal Component Analysis (PCA) and Partial Least Squares (PLS). Support Vector Machine (SVM), Random Forest (RF), and Extreme Learning Machine (ELM) were applied to three different feature data sets for classification and level assessment of paraffin...
January 18, 2018: Sensors
https://www.readbyqxmd.com/read/29346318/differences-between-outdoor-and-indoor-sound-levels-for-open-tilted-and-closed-windows
#19
Barbara Locher, André Piquerez, Manuel Habermacher, Martina Ragettli, Martin Röösli, Mark Brink, Christian Cajochen, Danielle Vienneau, Maria Foraster, Uwe Müller, Jean Marc Wunderli
Noise exposure prediction models for health effect studies normally estimate free field exposure levels outside. However, to assess the noise exposure inside dwellings, an estimate of indoor sound levels is necessary. To date, little field data is available about the difference between indoor and outdoor noise levels and factors affecting the damping of outside noise. This is a major cause of uncertainty in indoor noise exposure prediction and may lead to exposure misclassification in health assessments. This study aims to determine sound level differences between the indoors and the outdoors for different window positions and how this sound damping is related to building characteristics...
January 18, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29346299/meteo-and-hydrodynamic-measurements-to-detect-physical-processes-in-confined-shallow-seas
#20
Francesca De Serio, Michele Mossa
Coastal sites with typical lagoon features are extremely vulnerable, often suffering from scarce circulation. Especially in the case of shallow basins subjected to strong anthropization and urban discharges, it is fundamental to monitor their hydrodynamics and water quality. The proper detection of events by high performance sensors and appropriate analysis of sensor signals has proved to be a necessary tool for local authorities and stakeholders, leading to early warning and preventive measures against environmental degradation and related hazards...
January 18, 2018: Sensors
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