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https://www.readbyqxmd.com/read/28212112/cancer-as-robust-intrinsic-state-shaped-by-evolution-a-key-issues-review
#1
Ruoshi Yuan, Xiaomei Zhu, Gaowei Wang, Site Li, Ping Ao
Cancer is a complex disease: its pathology cannot be properly understood in terms of independent players-genes, proteins, molecular pathways, or their simple combinations. This is similar to many-body physics of a condensed phase that many important properties are not determined by a single atom or molecule. The rapidly accumulating large 'omics' data also require a new mechanistic and global underpinning to organize for rationalizing cancer complexity. A unifying and quantitative theory was proposed by some of the present authors that cancer is a robust state formed by the endogenous molecular-cellular network, which is evolutionarily built for the developmental processes and physiological functions...
February 17, 2017: Reports on Progress in Physics
https://www.readbyqxmd.com/read/28212079/multi-view-multi-instance-learning-based-on-joint-sparse-representation-and-multi-view-dictionary-learning
#2
Bing Li, Chunfeng Yuan, Weihua Xiong, Weiming Hu, Houwen Peng, Xinmiao Ding, Stephen Maybank
In multi-instance learning (MIL), the relations among instances in a bag convey important contextual information in many applications. Previous studies on MIL either ignore such relations or simply model them with a fixed graph structure so that the overall performance inevitably degrades in complex environments. To address this problem, this paper proposes a novel multi-view multi-instance learning algorithm (M2IL) that combines multiple context structures in a bag into a unified framework. The novel aspects are: (i) we propose a sparse "-graph model that can generate different graphs with different parameters to represent various context relations in a bag, (ii) we propose a multi-view joint sparse representation that integrates these graphs into a unified framework for bag classification, and (iii) we propose a multi-view dictionary learning algorithm to obtain a multi-view graph dictionary that considers cues from all views simultaneously to improve the discrimination of the M2IL...
February 14, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28212077/robust-guided-image-filtering-using-nonconvex-potentials
#3
Bumsub Ham, Minsu Cho, Jean Ponce
Filtering images using a guidance signal, a process called guided or joint image filtering, has been used in various tasks in computer vision and computational photography, particularly for noise reduction and joint upsampling. This uses an additional guidance signal as a structure prior, and transfers the structure of the guidance signal to an input image, restoring noisy or altered image structure. The main drawbacks of such a data-dependent framework are that it does not consider structural differences between guidance and input images, and that it is not robust to outliers...
February 14, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28211826/axial-rigidity-is-related-to-the-risk-of-falls-in%C3%A2-patients-with-parkinson-s-disease
#4
Roberto Cano-de-la-Cuerda, Lydia Vela-Desojo, Juan Carlos Miangolarra-Page, Yolanda Macías-Maías
BACKGROUND: Rigidity is a cardinal symptom of Parkinson's disease (PD) and is often clinically assessed by passively flexing and extending a patient's limb. Objective measurements had been employed to examine rigidity in PD subjects, including wrist, elbow or knee. OBJECTIVE: This study aimed to investigate the relationship between an objective measurement of trunk rigidity and risk of falls in patients with mild to moderate PD. METHODS: An isokinetic dynamometer Biodex System 3 was employed to assess trunk rigidity in 36 patients with mild to moderate PD at a University Department in a cross-sectional study...
February 13, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28211720/dynamical-response-near-quantum-critical-points
#5
Andrew Lucas, Snir Gazit, Daniel Podolsky, William Witczak-Krempa
We study high-frequency response functions, notably the optical conductivity, in the vicinity of quantum critical points (QCPs) by allowing for both detuning from the critical coupling and finite temperature. We consider general dimensions and dynamical exponents. This leads to a unified understanding of sum rules. In systems with emergent Lorentz invariance, powerful methods from quantum field theory allow us to fix the high-frequency response in terms of universal coefficients. We test our predictions analytically in the large-N O(N) model and using the gauge-gravity duality and numerically via quantum Monte Carlo simulations on a lattice model hosting the interacting superfluid-insulator QCP...
February 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28208684/a-real-time-high-performance-computation-architecture-for-multiple-moving-target-tracking-based-on-wide-area-motion-imagery-via-cloud-and-graphic-processing-units
#6
Kui Liu, Sixiao Wei, Zhijiang Chen, Bin Jia, Genshe Chen, Haibin Ling, Carolyn Sheaff, Erik Blasch
This paper presents the first attempt at combining Cloud with Graphic Processing Units (GPUs) in a complementary manner within the framework of a real-time high performance computation architecture for the application of detecting and tracking multiple moving targets based on Wide Area Motion Imagery (WAMI). More specifically, the GPU and Cloud Moving Target Tracking (GC-MTT) system applied a front-end web based server to perform the interaction with Hadoop and highly parallelized computation functions based on the Compute Unified Device Architecture (CUDA©)...
February 12, 2017: Sensors
https://www.readbyqxmd.com/read/28208381/peak-height-formula-for-higher-order-breathers-of-the-nonlinear-schr%C3%A3-dinger-equation-on-nonuniform-backgrounds
#7
Siu A Chin, Omar A Ashour, Stanko N Nikolić, Milivoj R Belić
Given any background (or seed) solution of the nonlinear Schrödinger equation, the Darboux transformation can be used to generate higher-order breathers with much greater peak intensities. In this work, we use the Darboux transformation to prove, in a unified manner and without knowing the analytical form of the background solution, that the peak height of a high-order breather is just a sum of peak heights of first-order breathers plus that of the background, irrespective of the specific choice of the background...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28208133/how-truncating-are-truncating-languages-evidence-from-russian-and-german
#8
Tamara V Rathcke
Russian and German have pr eviously been described as 'truncating', or cutting off target frequencies of the phrase-final pitch trajectories when the time available for voicing is compromised. However, supporting evidence is rare and limited to only a few pitch categories. This paper reports a production study conducted to document pitch adjustments to linguistic materials, in which the amount of voicing available for the realization of a pitch pattern varies from relatively long to extremely short. Productions of nuclear H+L*, H* and L*+H pitch accents followed by a low boundary tone were investigated in the two languages...
February 23, 2017: Phonetica
https://www.readbyqxmd.com/read/28208059/designer-protein-disaggregases-to-counter-neurodegenerative-disease
#9
REVIEW
James Shorter
Protein misfolding and aggregation unify several devastating neurodegenerative disorders, including Alzheimer's disease, Parkinson's disease, and amyotrophic lateral sclerosis. There are no effective therapeutics for these disorders and none that target the reversal of the aberrant protein misfolding and aggregation that cause disease. Here, I showcase important advances to define, engineer, and apply protein disaggregases to mitigate deleterious protein misfolding and counter neurodegeneration. I focus on two exogenous protein disaggregases, Hsp104 from yeast and gene 3 protein from bacteriophages, as well as endogenous human protein disaggregases, including: (a) Hsp110, Hsp70, Hsp40, and small heat-shock proteins; (b) HtrA1; and (c) NMNAT2 and Hsp90...
February 13, 2017: Current Opinion in Genetics & Development
https://www.readbyqxmd.com/read/28207831/the-relationship-between-rassf1a-gene-promoter-methylation-and-the-susceptibility-and-prognosis-of-melanoma-a-meta-analysis-and-bioinformatics
#10
Chihao Shao, Wenzhu Dai, Haili Li, Wenru Tang, Shuting Jia, Xiaoming Wu, Ying Luo
BACKGROUND: The function of the tumor suppressor gene RASSF1A in cancer cells has been detailed in many studies. However, due to the methylation of its promoter, the expression of RASSF1A is missing in most cancers. In the literature, we found that the conclusion regarding the relationship between RASSF1A gene promoter methylation and the susceptibility and prognosis of melanoma was not unified. This study adopts the use of a meta-analysis and bioinformatics to explore the relationship between RASSF1A gene promoter methylation and the susceptibility and prognosis of melanoma...
2017: PloS One
https://www.readbyqxmd.com/read/28207413/combinatorial-mixtures-of-multiparameter-distributions-an-application-to-bivariate-data
#11
Valeria Edefonti, Giovanni Parmigiani
Abstract: We introduce combinatorial mixtures - a flexible class of models for inference on mixture distributions whose components have multidimensional parameters. The key idea is to allow each element of the component-specific parameter vectors to be shared by a subset of other components. This approach allows for mixtures that range from very flexible to very parsimonious and unifies inference on component-specific parameters with inference on the number of components. We develop Bayesian inference and computational approaches for this class of distributions, and illustrate them in an application...
February 16, 2017: International Journal of Biostatistics
https://www.readbyqxmd.com/read/28207384/supervised-learning-of-semantics-preserving-hash-via-deep-convolutional-neural-networks
#12
Huei-Fang Yang, Kevin Lin, Chu-Song Chen
This paper presents a simple yet effective supervised deep hash approach that constructs binary hash codes from labeled data for large-scale image search. We assume that the semantic labels are governed by several latent attributes with each attribute on or off, and classification relies on these attributes. Based on this assumption, our approach, dubbed supervised semantics-preserving deep hashing (SSDH), constructs hash functions as a latent layer in a deep network and the binary codes are learned by minimizing an objective function defined over classification error and other desirable hash codes properties...
February 9, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28207380/turning-the-curve-on-obesity-prevalence-among-fifth-graders-in-the-los-angeles-unified-school-district-2001-2013
#13
Amanda Kamali, Heena Hameed, Margaret Shih, Paul Simon
INTRODUCTION: After multiple decades of increasing childhood obesity prevalence in the United States, findings from recent studies suggest that prevalence has leveled or is decreasing in some populations. However, demographic and socioeconomic disparities in prevalence remain and may be increasing. METHODS: To assess recent trends and disparities in childhood obesity prevalence in Los Angeles County, we analyzed data from 2001 through 2013 in fifth graders in the Los Angeles Unified School District (LAUSD)...
February 16, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/28206799/military-service-member-and-veteran-reintegration-a-critical-review-and-adapted-ecological-model
#14
Christine A Elnitsky, Cara L Blevins, Michael P Fisher, Kathryn Magruder
Returning military service members and veterans (MSMVs) experience a wide range of stress-related disorders in addition to social and occupational difficulties when reintegrating to the community. Facilitating reintegration of MSMVs following deployment is a societal priority. With an objective of identifying challenges and facilitators for reintegration of MSMVs of the current war era, we critically review and identify gaps in the literature. We searched 8 electronic databases and identified 1,764 articles...
2017: American Journal of Orthopsychiatry
https://www.readbyqxmd.com/read/28204920/a-review-of-congenital-lung-malformations-with-a-simplified-classification-system-for-clinical-and-research-use
#15
REVIEW
Michael Seear, Jennifer Townsend, Amy Hoepker, Douglas Jamieson, Deborah McFadden, Patrick Daigneault, William Glomb
PURPOSE: Congenital lung abnormalities are rare malformations increasingly detected early by prenatal ultrasound. Whether management of these frequently asymptomatic lesions should be surgical or conservative is an unresolved issue. The necessary prospective studies are limited by the absence of a widely accepted practical classification system. Our aim was to develop a simple, clinically relevant system for classifying and studying congenital lung abnormalities. MATERIALS AND METHODS: We based our proposed grouping on a detailed analysis of clinical, radiological, and histological data from well-documented cases, plus an extensive review of the literature...
February 15, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28203363/an-exploratory-factor-analysis-of-the-spontaneous-reporting-of-severe-cutaneous-adverse-reactions
#16
Manfred Hauben, Eric Hung, Wen-Yaw Hsieh
BACKGROUND: Severe cutaneous adverse reactions (SCARs) are prominent in pharmacovigilance (PhV). They have some commonalities such as nonimmediate nature and T-cell mediation and rare overlap syndromes have been documented, most commonly involving acute generalized exanthematous pustulosis (AGEP) and drug rash with eosinophilia and systemic symptoms (DRESS), and DRESS and toxic epidermal necrolysis (TEN). However, they display diverse clinical phenotypes and variations in specific T-cell immune response profiles, plus some specific genotype-phenotype associations...
January 2017: Therapeutic Advances in Drug Safety
https://www.readbyqxmd.com/read/28203083/sexual-dimorphism-in-parkinson-s-disease-differences-in-clinical-manifestations-quality-of-life-and-psychosocial-functioning-between-males-and-females
#17
Farzaneh Farhadi, Kia Vosoughi, Gholam Ali Shahidi, Ahmad Delbari, Johan Lökk, Seyed-Mohammad Fereshtehnejad
INTRODUCTION: Sex-related differences in clinical manifestations and consequences of Parkinson's disease (PD) have been poorly explored. Better understanding of sexual dimorphism in neurologic diseases such as PD has been announced as a research priority. The aim of our study was to determine independent sex differences in clinical manifestations and subtypes, psychosocial functioning, quality of life (QoL) and its domains between male and female individuals with PD. PATIENTS AND METHODS: A comprehensive list of demographics, motor symptoms and subtypes, nonmotor features, health-related quality of life (HRQoL), psychosocial functioning and general aspects of daily life was assessed in 157 individuals (108 males and 49 females) with idiopathic PD...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28199071/effect-of-antipsychotic-type-and-dose-changes-on-tardive-dyskinesia-and-parkinsonism-severity-in-patients-with-a-serious-mental-illness-the-cura%C3%A3-ao-extrapyramidal-syndromes-study-xii
#18
Charlotte L Mentzel, P Roberto Bakker, Jim van Os, Marjan Drukker, Glenn E Matroos, Hans W Hoek, Marina A J Tijssen, Peter N van Harten
OBJECTIVE: To test the efficacy of current treatment recommendations for parkinsonism and tardive dyskinesia (TD) severity in patients with severe mental illness (SMI). METHODS: We present an 18-year prospective study including all 223 patients with SMI (as defined by the 1987 US National Institute of Mental Health, which were based on DSM-III-R diagnostic criteria) receiving care from the only psychiatric hospital of the former Netherlands Antilles. Eight clinical assessments (1992-2009) focused on movement disorders and medication use...
February 14, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28198786/optical-coherence-tomography-angiography-in-adult-onset-foveomacular-vitelliform-dystrophy
#19
Komal M Joshi, Peter L Nesper, Amani A Fawzi, Rukhsana G Mirza
PURPOSE: To determine the ability of optical coherence tomography angiography (OCTA) to detect choroidal neovascularization (CNV) in the pseudohypopyon stage of adult-onset foveomacular vitelliform dystrophy. METHODS: Prospective case series of eight consecutive patients with adult-onset foveomacular vitelliform dystrophy with at least one eye in the pseudohypopyon stage (a total of 14 eyes). Patients were assessed with spectral domain OCT, flourescein angiography, and OCTA...
February 14, 2017: Retina
https://www.readbyqxmd.com/read/28198196/isolating-the-unique-effects-of-the-unified-protocol-treatment-modules-using-single-case-experimental-design
#20
Shannon Sauer-Zavala, Clair Cassiello-Robbins, Laren R Conklin, Jacqueline R Bullis, Johanna Thompson-Hollands, Katherine A Kennedy
The Unified Protocol (UP) for the Transdiagnostic Treatment of Emotional Disorders is a cognitive-behavioral intervention designed to treat the range of anxiety, depressive, and related disorders. Thus far, the UP treatment modules have only been studied when they are delivered in their entirety and presented in a standard sequence. To personalize the presentation of the UP modules for a given patient's presentation (e.g., providing the modules in a varied order, dropping irrelevant modules), it is first necessary to establish that each module leads to change in the skill it is designed to promote, and that these changes can occur in the absence of the other modules...
March 2017: Behavior Modification
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