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https://www.readbyqxmd.com/read/28087895/crohn-disease-risk-prediction-best-practices-and-pitfalls-with-exome-data
#1
Manuel Giollo, David T Jones, Marco Carraro, Emanuela Leonardi, Carlo Ferrari, Silvio C E Tosatto
The Critical Assessment of Genome Interpretation (CAGI) experiment is the first attempt to evaluate the state-of-the-art in genetic data interpretation. Among the proposed challenges, Crohn disease (CD) risk prediction has become the most classic problem spanning three editions. The scientific question is very hard: can anybody assess the risk to develop CD given the exome data alone? This is one of the ultimate goals of genetic analysis, which motivated most CAGI participants to look for powerful new methods...
January 13, 2017: Human Mutation
https://www.readbyqxmd.com/read/28087490/longitudinal-multiple-sclerosis-lesion-segmentation-resource-challenge
#2
Aaron Carass, Snehashis Roy, Amod Jog, Jennifer L Cuzzocreo, Elizabeth Magrath, Adrian Gherman, Julia Button, James Nguyen, Ferran Prados, Carole H Sudre, Manuel Jorge Cardoso, Niamh Cawley, Olga Ciccarelli, Claudia A M Wheeler-Kingshott, Sébastien Ourselin, Laurence Catanese, Hrishikesh Deshpande, Pierre Maurel, Olivier Commowick, Christian Barillot, Xavier Tomas-Fernandez, Simon K Warfield, Suthirth Vaidya, Abhijith Chunduru, Ramanathan Muthuganapathy, Ganapathy Krishnamurthi, Andrew Jesson, Tal Arbel, Oskar Maier, Heinz Handels, Leonardo O Iheme, Devrim Unay, Saurabh Jain, Diana M Sima, Dirk Smeets, Mohsen Ghafoorian, Bram Platel, Ariel Birenbaum, Hayit Greenspan, Pierre-Louis Bazin, Peter A Calabresi, Ciprian M Crainiceanu, Lotta M Ellingsen, Daniel S Reich, Jerry L Prince, Dzung L Pham
In conjunction with the ISBI 2015 conference, we organized a longitudinal lesion segmentation challenge providing training and test data to registered participants. The training data consisted of five subjects with a mean of 4.4 time-points, and test data of fourteen subjects with a mean of 4.4 time-points. All 82 data sets had the white matter lesions associated with multiple sclerosis delineated by two human expert raters. Eleven teams submitted results using state-of-the-art lesion segmentation algorithms to the challenge, with ten teams presenting their results at the conference...
January 10, 2017: NeuroImage
https://www.readbyqxmd.com/read/28087487/bioprinting-for-vascular-and-vascularized-tissue-biofabrication
#3
REVIEW
Pallab Datta, Bugra Ayan, Ibrahim T Ozbolat
: Bioprinting is a promising technology to fabricate design-specific tissue constructs due to its ability to create complex, heterocellular structures with anatomical precision. Bioprinting enables the deposition of various biologics including growth factors, cells, genes, neo-tissues and extra-cellular matrix-like hydrogels. Benefits of bioprinting have started to make a mark in the fields of tissue engineering, regenerative medicine and pharmaceutics. Specifically, in the field of tissue engineering, the creation of vascularized tissue constructs has remained a principal challenge till date...
January 10, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28087380/polymeric-mixed-micelles-as-nanomedicines-achievements-and-perspectives
#4
REVIEW
Maximiliano Cagel, Fiorella C Tesan, Ezequiel Bernabeu, Maria J Salgueiro, Marcela B Zubillaga, Marcela A Moretton, Diego A Chiappetta
During the past few decades, polymeric micelles have raised special attention as novel nano-sized drug delivery systems for optimizing the treatment and diagnosis of numerous diseases. These nanocarriers exhibit several in vitro and in vivo advantages as well as increased stability and solubility to hydrophobic drugs. An interesting approach for optimizing these properties and overcoming some of their disadvantages is the combination of two or more polymers in order to assemble polymeric mixed micelles. This review article gives an overview on the current state of the art of several mixed micellar formulations as nanocarriers for drugs and imaging probes, evaluating their ongoing status (preclinical or clinical stage), with special emphasis on type of copolymers, physicochemical properties, in vivo progress achieved so far and toxicity profiles...
January 10, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28087056/extraction-chromatographic-separations-of-tantalum-and-tungsten-from-hafnium-and-complex-matrix-constituents
#5
Mathew S Snow, Martha R Finck, Kevin P Carney, Samuel S Morrison
Tantalum (Ta), hafnium (Hf), and tungsten (W) analyses from complex matrices require high purification of these analytes from each other and major/trace matrix constituents, however, current state-of-the-art Ta/Hf/W separations rely on traditional anion exchange approaches that show relatively similar distribution coefficient (Kd) values for each element. This work reports an assessment of three commercially available extraction chromatographic resins (TEVA, TRU, and UTEVA) for Ta/Hf/W separations. Batch contact studies show differences in Ta/Hf and Ta/W Kd values of up to 10(6) and 10(4) (respectively), representing an improvement of a factor of 100 and 300 in Ta/Hf and Ta/W Kd values (respectively) over AG1×4 resin...
January 8, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28087050/state-of-the-art-review-and-future-directions-in-oil-spill-modeling
#6
REVIEW
Malcolm L Spaulding
A review of the state of the art in oil spill modeling, focused on the period from 2000 to present is provided. The review begins with an overview of the current structure of spill models and some lessons learned from model development and application and then provides guiding principles that govern the development of the current generation of spill models. A review of the basic structure of spill models, and new developments in specific transport and fate processes; including surface and subsurface transport, spreading, evaporation, dissolution, entrainment and oil droplet size distributions, emulsification, degradation, and sediment oil interaction are presented...
January 10, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28086747/microrna-based-pan-cancer-diagnosis-and-treatment-recommendation
#7
Nikhil Cheerla, Olivier Gevaert
BACKGROUND: The current state-of-the-art in cancer diagnosis and treatment is not ideal; diagnostic tests are accurate but invasive, and treatments are "one-size fits-all" instead of being personalized. Recently, miRNA's have garnered significant attention as cancer biomarkers, owing to their ease of access (circulating miRNA in the blood) and stability. There have been many studies showing the effectiveness of miRNA data in diagnosing specific cancer types, but few studies explore the role of miRNA in predicting treatment outcome...
January 13, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28080961/interoception-beyond-homeostasis-affect-cognition-and-mental-health
#8
Manos Tsakiris, Hugo Critchley
Interoception refers to the sensing of the internal state of one's body. Interoception is distinct from the processing of sensory information concerning external (non-self) stimuli (e.g. vision, hearing, touch and smell) and is the afferent axis to internal (autonomic and hormonal) physiological control. However, the impact of interoception extends beyond homeostatic/allostatic reflexes: it is proposed to be fundamental to motivation, emotion (affective feelings and behaviours), social cognition and self-awareness...
November 19, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28080064/collective-excitations-in-protein-as-a-measure-of-balance-between-its-softness-and-rigidity
#9
Utsab Raj Shrestha, Debsindhu Bhowmik, Kurt William Van Delinder, Eugene Mamontov, Hugh M O'Neill, Qiu Zhang, Ahmet Alatas, Xiang-Qiang Chu
In this article, we elucidate the protein activity from the perspective of protein softness and flexibility by studying the collective phonon-like excitations in a globular protein, human serum albumin (HSA) and taking advantage of the state-of-the-art inelastic X-ray scattering (IXS) technique. Such excitations demonstrate that the protein becomes softer upon thermal denaturation due to disruption of weak non-covalent bonds. On the other hand, no significant change in the local excitations is detected in ligand- (drugs) bound HSA compared to the ligand-free HSA...
January 12, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28079961/highly-porous-thermoelectric-nanocomposites-with-low-thermal-conductivity-and-high-figure-of-merit-from-large-scale-solution-synthesized-bi2-te2-5-se0-5-hollow-nanostructures
#10
Biao Xu, Tianli Feng, Matthias T Agne, Lin Zhou, Xiulin Ruan, G Jeffery Snyder, Yue Wu
To enhance the performance of thermoelectric materials and enable access to their widespread applications, it is beneficial yet challenging to synthesize hollow nanostructures in large quantities, with high porosity, low thermal conductivity (κ) and excellent figure of merit (z T). Herein we report a scalable (ca. 11.0 g per batch) and low-temperature colloidal processing route for Bi2 Te2.5 Se0.5 hollow nanostructures. They are sintered into porous, bulk nanocomposites (phi 10 mm×h 10 mm) with low κ (0...
January 12, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28079668/noninvasive-assessment-of-portal-hypertension-and-detection-of-esophageal-varices-in-cirrhosis-state-of-the-art
#11
Ana C de Oliveira
Portal hypertension (PHT) is a major consequence of any chronic liver disease and it is the main cause of complications in patients with cirrhosis. Measurement of hepatic vein pressure gradient is considered the gold standard for PHT assessment, together with its diagnosis and prognosis relevance. Even though hepatic vein pressure gradient measurement is a safe procedure, it is still considered an invasive technique and not widely available. There is thus a need for noninvasive methods that can predict the progression of PHT as well as the presence and the risk of complications related to esophageal varices...
January 10, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28079135/predicting-drug-target-interactions-by-dual-network-integrated-logistic-matrix-factorization
#12
Ming Hao, Stephen H Bryant, Yanli Wang
In this work, we propose a dual-network integrated logistic matrix factorization (DNILMF) algorithm to predict potential drug-target interactions (DTI). The prediction procedure consists of four steps: (1) inferring new drug/target profiles and constructing profile kernel matrix; (2) diffusing drug profile kernel matrix with drug structure kernel matrix; (3) diffusing target profile kernel matrix with target sequence kernel matrix; and (4) building DNILMF model and smoothing new drug/target predictions based on their neighbors...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28079026/a-review-of-compliant-transmission-mechanisms-for-bio-inspired-flapping-wing-micro-air-vehicles
#13
Chao Zhang, Claudio Rossi
Flapping-wing micro air vehicles (FWMAVs) are a class of unmanned aircraft that imitate flight characteristics of natural organisms such as birds, bats, and insects, in order to achieve maximum flight efficiency and manoeuvrability. Designing proper mechanisms for flapping transmission is an extremely important aspect for FWMAVs. Compliant transmission mechanisms have been considered as an alternative to rigid transmission systems due to their lower the number of parts, thereby reducing the total weight, lower energy loss thanks to little or practically no friction among parts, and at the same time, being able to store and release mechanical power during the flapping cycle...
January 11, 2017: Bioinspiration & Biomimetics
https://www.readbyqxmd.com/read/28079007/novel-therapies-targeting-cardioprotection-and-regeneration
#14
Valeria Garrido, Evelyn Mendoza-Torres, Jaime A Riquelme, Ariel Díaz, Marcela Pizarro, Mario Bustamante, Myra N Chavez, María Paz Ocaranza, Rosemarie Mellado, Ramon Corbalan, Miguel L Allende, Sergio Lavandero
Cardiovascular disease is the leading cause of death worldwide. The heart is susceptible to pathologies that impact the myocardium directly, such myocardial infarction and consequent heart failure, as well as conditions with indirect cardiac effects, such cancer treatment-related cardiotoxicity. As the contractile cells of the heart, cardiomyocytes are essential for normal cardiac function. Various stress stimuli may result in transient damage or cell death in cardiomyocytes through apoptosis, necrosis or maladaptive autophagy...
January 12, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28079001/application-of-organic-monolithic-materials-to-enantioseparation-in-capillary-separation-techniques
#15
Enrique Javier Carrasco-Correa, Ernesto Francisco Simó-Alfonso, Guillermo Ramis-Ramos, Jose Manuel Herrero Martinez
This review article is primarily focused on the state-of-the-art of enantioseparations on organic monolithic materials. The article gives an overview of the chiral stationary phases and its application in capillary electrochromatography (CEC), and capillary- and nano-liquid chromatography (cLC and nLC). Since thousands of publications have been emerged from 2000's and citing all these papers would extend the scope of this review, in this review, recent developments (from 2006 to 2016) last 10 years will be mentioned...
January 11, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28078826/the-impact-of-ph-inhomogeneities-on-cho-cell-physiology-and-fed-batch-process-performance-two-compartment-scale-down-modelling-and-intracellular-ph-excursion
#16
Matthias Brunner, Philipp Braun, Philipp Doppler, Christoph Posch, Dirk Behrens, Christoph Herwig, Jens Fricke
Due to high mixing times and base addition from top of the vessel, pH inhomogeneities are most likely to occur during large-scale mammalian processes. The goal of this study was to set-up a scale-down model of a 10-12 m(3) stirred tank bioreactor and to investigate the effect of pH perturbations on CHO cell physiology and process performance. Short-term changes in extracellular pH were hypothesized to affect intracellular pH and thus cell physiology. Therefore, batch fermentations, including pH shifts to 9...
January 12, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28078628/3d-printed-drugs-for-children-are-we-ready-yet
#17
REVIEW
Maren Preis, Heidi Öblom
The first medicine manufactured by three-dimensional (3D) printing was recently approved by the Food and Drug Administration (FDA). The advantages of printing as a manufacturing route enabling more flexibility regarding the dose, and enlarging individual treatment options, have been demonstrated. There is a particular need for flexible drug delivery solutions when it comes to children. Printing as a new pharmaceutical manufacturing technology brings manufacturing closer to the patient and can easily be adjusted to the required dosing scheme, offering more flexibility for treatments...
January 11, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28078078/radiotherapy-in-the-management-of-gist-state-of-the-art-and-new-potential-scenarios
#18
L Gatto, M Nannini, M Saponara, V Di Scioscio, G Beltramo, G P Frezza, G Ercolani, A D Pinna, A Astolfi, M Urbini, G Brandi, G Biasco, M A Pantaleo
BACKGROUND: Gastrointestinal stromal tumor (GIST) is the most common mesenchymal neoplasm of the gastrointestinal tract. The main treatment for localized gastrointestinal stromal tumors is surgical resection. Unresectable or advanced GIST are poorly responsive to conventional cytotoxic chemotherapy but the introduction of tyrosine kinase inhibitors (TKIs) marked a revolutionary step in the treatment of these patients, radically improving prognosis and clinical benefit. Historically GIST has been considered radiation-resistant, and the role of radiotherapy in the management of patients with GIST is currently restricted to symptomatic palliation in current treatment guidelines...
2017: Clinical Sarcoma Research
https://www.readbyqxmd.com/read/28077336/predicting-protein-submitochondrial-locations-by-incorporating-the-positional-specific-physicochemical-properties-into-chou-s-general-pseudo-amino-acid-compositions
#19
Ya-Sen Jiao, Pu-Feng Du
Predicting protein submitochondrial locations has been studied for about ten years. A dozen of methods were developed in this regard. Although a mitochondrion has four submitochondrial compartments, all existing studies considered only three of them. The mitochondrial intermembrane space proteins were always excluded in these studies. However, there are over 50 mitochondrial intermembrane space proteins in the recent release of UniProt database. We think it is time to incorporate these proteins in predicting protein submitochondrial locations...
January 8, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28076995/biosurfactants-in-cosmetic-formulations-trends-and-challenges
#20
X Vecino, J M Cruz, A B Moldes, L R Rodrigues
Cosmetic products play an essential role in everyone's life. People everyday use a large variety of cosmetic products such as soap, shampoo, toothpaste, deodorant, skin care, perfume, make-up, among others. The cosmetic industry encompasses several environmental, social and economic impacts that are being addressed through the search for more efficient manufacturing techniques, the reduction of waste and emissions and the promotion of personal hygiene, contributing to an improvement of public health and at the same time providing employment opportunities...
January 12, 2017: Critical Reviews in Biotechnology
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