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https://www.readbyqxmd.com/read/28334340/meta-analytic-framework-for-liquid-association
#1
Lin Wang, Silvia Liu, Ying Ding, Shin-Sheng Yuan, Yen-Yi Ho, George C Tseng
Motivation: Although coexpression analysis via pair-wise expression correlation is popularly used to elucidate gene-gene interactions at the whole-genome scale, many complicated multi-gene regulations require more advanced detection methods. Liquid association is a powerful tool to detect the dynamic correlation of two gene variables depending on the expression level of a third variable (LA scouting gene). Liquid association detection from single transcriptomic study, however, is often unstable and not generalizable due to cohort bias, biological variation, and limited sample size...
March 11, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28334075/intrinsic-brain-hub-connectivity-underlies-individual-differences-in-spatial-working-memory
#2
Jin Liu, Mingrui Xia, Zhengjia Dai, Xiaoying Wang, Xuhong Liao, Yanchao Bi, Yong He
Spatial working memory (SWM) is an important component of working memory and plays an essential role in driving high-level cognitive abilities. Recent studies have demonstrated that individual SWM is associated with global brain communication. However, whether specific network nodal connectivity, such as brain hub connectivity, is involved in individual SWM performances remains largely unknown. Here, we collected resting-state fMRI (R-fMRI) data from a large group of 130 young healthy participants and evaluated their SWM performances...
October 13, 2016: Cerebral Cortex
https://www.readbyqxmd.com/read/28333980/evaluating-alignment-and-variant-calling-software-for-mutation-identification-in-c-elegans-by-whole-genome-sequencing
#3
Harold E Smith, Sijung Yun
Whole-genome sequencing is a powerful tool for analyzing genetic variation on a global scale. One particularly useful application is the identification of mutations obtained by classical phenotypic screens in model species. Sequence data from the mutant strain is aligned to the reference genome, and then variants are called to generate a list of candidate alleles. A number of software pipelines for mutation identification have been targeted to C. elegans, with particular emphasis on ease of use, incorporation of mapping strain data, subtraction of background variants, and similar criteria...
2017: PloS One
https://www.readbyqxmd.com/read/28333530/hard-earned-wisdom-exploratory-processing-of-difficult-life-experience-is-positively-associated-with-wisdom
#4
Nic M Weststrate, Judith Glück
Laypersons and experts believe that wisdom is cultivated through a diverse range of positive and negative life experiences. Yet, not all individuals with life experience are wise. We propose that one possible determinant of growth in wisdom from life experience is self-reflection. In a life span sample of adults (N = 94) ranging from 26 to 92 years of age, we examined wisdom's relationship to self-reflection by investigating "why" people report reflecting on the past (i.e., reminiscence functions) and "how" they reflect within autobiographical memories of difficult life events (i...
April 2017: Developmental Psychology
https://www.readbyqxmd.com/read/28332711/long-term-white-matter-tract-reorganization-following-prolonged-febrile-seizures
#5
Suresh S Pujar, Kiran K Seunarine, Marina M Martinos, Brian G R Neville, Rod C Scott, Richard F M Chin, Chris A Clark
OBJECTIVE: Diffusion magnetic resonance imaging (MRI) studies have demonstrated acute white matter changes following prolonged febrile seizures (PFS), but their longer-term evolution is unknown. We investigated a population-based cohort to determine white matter diffusion properties 8 years after PFS. METHODS: We used diffusion tensor imaging (DTI) and applied Tract-Based Spatial Statistics for voxel-wise comparison of white matter microstructure between 26 children with PFS and 27 age-matched healthy controls...
March 23, 2017: Epilepsia
https://www.readbyqxmd.com/read/28331242/limits-of-femtosecond-fiber-amplification-by-parabolic-pre-shaping
#6
Walter Fu, Yuxing Tang, Timothy S McComb, Tyson L Lowder, Frank W Wise
We explore parabolic pre-shaping as a means of generating and amplifying ultrashort pulses. We develop a theoretical framework for modeling the technique and use its conclusions to design a femtosecond fiber amplifier. Starting from 9 ps pulses, we obtain 4.3 μJ, nearly transform-limited pulses 275 fs in duration, simultaneously achieving over 40 dB gain and 33-fold compression. Finally, we show that this amplification scheme is limited by Raman scattering, and outline a method by which the pulse duration and energy may be further improved and tailored for a given application...
March 1, 2017: Journal of the Optical Society of America. B, Optical Physics
https://www.readbyqxmd.com/read/28330974/urinary-incontinence-and-sexual-dysfunction-are-worse-after-surgery-for-prostate-cancer-study-finds
#7
Jacqui Wise
No abstract text is available yet for this article.
March 21, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28330850/neither-vitamin-e-nor-selenium-prevents-dementia-researchers-find
#8
Jacqui Wise
No abstract text is available yet for this article.
March 21, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28330411/evaluation-of-effect-of-different-membership-functions-on-risk-assessment
#9
Kumru Didem Atalay, Gülin Feryal Can, Ergün Eraslan
This study aims to define the relationship between risk degrees and risk indexes on different functional structures with the assumption that, risk degrees may not always present linear relationship with the risk indexes. In this wise, risk indexes; suitable for expert evaluation of working conditions and computed by using three different membership functions are determined. Among the membership functions used, one of them is preferred as linear and the others are preferred as nonlinear. Additionally, a new fuzzy risk assessment (RA) algorithm is developed by using these three membership functions...
March 23, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/28330372/car-t-cell-therapy-progress-and-prospects
#10
Olivia Wilkins, Allison May Keeler, Terence R Flotte
Lentivirus-mediated transduction of autologous T-cells with a chimeric antigen receptor (CAR) to confer a desired epitope-specificity as a targeted immunotherapy for cancer has been among the first human gene therapy techniques to demonstrate widespread therapeutic efficacy. Other approaches to using gene therapy to enhance anti-tumor immunity have been less specific and less effective. These included amplification, marking, and cytokine transduction of tumor infiltrating lymphocytes (TIL), recombinant virus-based expression of tumor antigens as a tumor vaccine, and transduction of antigen-presenting cells (APCs) with tumor antigens...
March 23, 2017: Human Gene Therapy Methods
https://www.readbyqxmd.com/read/28330139/production-of-bioethanol-as-useful-biofuel-through-the-bioconversion-of-water-hyacinth-eichhornia-crassipes
#11
Arpan Das, Priyanka Ghosh, Tanmay Paul, Uma Ghosh, Bikas Ranjan Pati, Keshab Chandra Mondal
Water hyacinth (Eichhornia crassipes) represents a promising candidate for fuel ethanol production in tropical countries because of their high availability and high biomass yield. Bioconversion of such biomass to bioethanol could be wisely managed through proper technological approach. In this work, pretreatment of water hyacinth (10 %, w/v) with dilute sulfuric acid (2 %, v/v) at high temperature and pressure was integrated in the simulation and economic assessment of the process for further enzymatic saccharification was studied...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329528/unilateral-striae-distensae-of-the-knee-after-a-steroid-injection-for-the-treatment-of-osgood-schlatter-disease
#12
Kelsey Wise, Donald Warren, Lucia Diaz
We report a 12-year-old girl with new diagnosisof right knee Osgood-Schlatter who developedhorizontal purple striae below the right tibial tubercletwo months after a right knee intra-articular steroidinjection. She is the second reported case of unilaterallocalized striae after an intra-articular steroid injectionand the first with triamcinalone as the corticosteroid.
March 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329381/the-effects-of-an-afternoon-nap-on-episodic-memory-in-young-and-older-adults-napping-and-aging
#13
Michael K Scullin, Jacqueline Fairley, Michael J Decker, Donald L Bliwise
Study Objectives: In young adults, napping is hypothesized to benefit episodic memory retention (e.g., via consolidation). Whether this relationship is present in older adults has not been adequately tested, but is an important question because older adults display marked changes in sleep and memory. Design: Between-subjects design. Setting: Sleep laboratory at Emory University School of Medicine. Participants: 50 healthy young adults (18-29) and 45 community dwelling older adults (58-83)...
March 1, 2017: Sleep
https://www.readbyqxmd.com/read/28329017/navigating-in-foldonia-using-accelerated-molecular-dynamics-to-explore-stability-unfolding-and-self-healing-of-the-%C3%AE-solenoid-structure-formed-by-a-silk-like-polypeptide
#14
Binwu Zhao, Martien A Cohen Stuart, Carol K Hall
The β roll molecules with sequence (GAGAGAGQ)10 stack via hydrogen bonding to form fibrils which have been themselves been used to make viral capsids of DNA strands, supramolecular nanotapes and pH-responsive gels. Accelerated molecular dynamics (aMD) simulations are used to investigate the unfolding of a stack of two β roll molecules, (GAGAGAGQ)10, to shed light on the folding mechanism by which silk-inspired polypeptides form fibrils and to identify the dominant forces that keep the silk-inspired polypeptide in a β roll configuration...
March 22, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28328638/complications-after-reduction-mammaplasty-a-comparison-of-wise-pattern-inferior-pedicle-and-vertical-scar-superomedial-pedicle
#15
Adeyemi A Ogunleye, Ofelia Leroux, Norman Morrison, Aviva B Preminger
Reduction mammaplasty is a commonly-performed procedure among plastic surgeons. Although several methods exist, the Wise pattern/inferior pedicle (IP) technique is the most widely used. The vertical scar/superomedial pedicle (SP) technique has gained acceptance for its shorter scar and more durable projection results, but some hesitation remains with its use in larger volume reductions.The incidence of complications in 124 consecutively performed breast reductions (246 breasts) at a single institution using either the Wise pattern/IP technique or vertical scar/SP technique, as well as risk factors associated with them, was determined...
March 21, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28328587/bedside-breath-wise-visualization-of-bronchospasm-by-electrical-impedance-tomography-could-improve-perioperative-patient-safety-a-case-report
#16
Pedro de la Oliva, Andreas D Waldmann, Stephan H Böhm, Cristina Verdú-Sánchez, Antonio Pérez-Ferrer, Elena Alvarez-Rojas
Bronchospasm appears in up to 4% of patients with obstructive lung disease or respiratory infection undergoing general anesthesia. Clinical examination alone may miss bronchospasm. As a consequence, subsequent (mis)treatment and ventilator settings could lead to pulmonary hyperinflation, hypoxia, hypercapnia, hypotension, patient-ventilator asynchrony, volutrauma, or barotrauma. Electrical impedance tomography (EIT), a new noninvasive technique, can potentially identify bronchospasms by determining regional expiratory time constants (τ) for each one of the pixels of a functional EIT image...
March 15, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28327985/the-need-to-approximate-the-use-case-in-clinical-machine-learning
#17
Sohrab Saeb, Luca Lonini, Arun Jayaraman, David C Mohr, Konrad P Kording
Background: The availability of smartphone and wearable sensor technology is leading to a rapid accumulation of human subject data, and machine learning is emerging as a technique to map that data into clinical predictions. As machine learning algorithms are increasingly used to support clinical decision making, it is vital to reliably quantify their prediction accuracy. Cross-validation is the standard approach where the accuracy of such algorithms is evaluated on data the algorithm has not seen during training...
March 15, 2017: GigaScience
https://www.readbyqxmd.com/read/28327977/the-ethics-of-choosing-wisely-the-use-of-neuroimaging-for-uncomplicated-headache
#18
David J Cote, Edward R Laws
The use of magnetic resonance imaging (MRI) for evaluation of headache remains excessive among physicians across many specialties according to both the American Headache Society and the American College of Radiology, despite recent attempts at limiting overuse of imaging and procedures. As part of the Choosing Wisely campaign, both of these organizations have explicitly recommended against imaging in patients with uncomplicated or typical migraine headaches. Yet, the practice nevertheless remains prevalent, with estimates ranging from 12...
February 20, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28327484/workplace-violence-against-resident-doctors-in-a-tertiary-care-hospital-in-delhi
#19
Tanu Anand, Shekhar Grover, Rajesh Kumar, Madhan Kumar, Gopal Krishna Ingle
BACKGROUND: Healthcare workers particularly doctors are at high risk of being victims of verbal and physical violence perpetrated by patients or their relatives. There is a paucity of studies on work-related violence against doctors in India. We aimed to assess the exposure of workplace violence among doctors, its consequences among those who experienced it and its perceived risk factors. METHODS: This study was done among doctors working in a tertiary care hospital in Delhi...
November 2016: National Medical Journal of India
https://www.readbyqxmd.com/read/28326033/subcortical-shape-changes-hippocampal-atrophy-and-cortical-thinning-in-future-alzheimer-s-disease-patients
#20
Andrea M Kälin, Min T M Park, M Mallar Chakravarty, Jason P Lerch, Lars Michels, Clemens Schroeder, Sarah D Broicher, Spyros Kollias, Roger M Nitsch, Anton F Gietl, Paul G Unschuld, Christoph Hock, Sandra E Leh
Efficacy of future treatments depends on biomarkers identifying patients with mild cognitive impairment at highest risk for transitioning to Alzheimer's disease. Here, we applied recently developed analysis techniques to investigate cross-sectional differences in subcortical shape and volume alterations in patients with stable mild cognitive impairment (MCI) (n = 23, age range 59-82, 47.8% female), future converters at baseline (n = 10, age range 66-84, 90% female) and at time of conversion (age range 68-87) compared to group-wise age and gender matched healthy control subjects (n = 23, age range 61-81, 47...
2017: Frontiers in Aging Neuroscience
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