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https://www.readbyqxmd.com/read/28434153/machine-learning-xgboost-analysis-of-language-networks-to-classify-patients-with-epilepsy
#1
L Torlay, M Perrone-Bertolotti, E Thomas, M Baciu
Our goal was to apply a statistical approach to allow the identification of atypical language patterns and to differentiate patients with epilepsy from healthy subjects, based on their cerebral activity, as assessed by functional MRI (fMRI). Patients with focal epilepsy show reorganization or plasticity of brain networks involved in cognitive functions, inducing 'atypical' (compared to 'typical' in healthy people) brain profiles. Moreover, some of these patients suffer from drug-resistant epilepsy, and they undergo surgery to stop seizures...
April 22, 2017: Brain Informatics
https://www.readbyqxmd.com/read/28434127/intranasal-vitamin-a-is-beneficial-in-post-infectious-olfactory-loss
#2
Thomas Hummel, Katherine L Whitcroft, Gina Rueter, Antje Haehner
Vitamin A plays a decisive role in the regeneration of olfactory receptor neurons. In this retrospective study we investigated the effectiveness of topical vitamin A in patients with post-infectious and posttraumatic smell disorders. Retrospective cohort. A total of 170 patients (age range 18-70 years, mean age 52 years) participated. Forty-six patients were treated with smell training only. The remaining 124 patients received smell training and topical vitamin A. Olfactory function was assessed using the Sniffin' Sticks test kit, a validated technique to measure odor thresholds, discrimination and identification...
April 22, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28434084/population-data-of-23-autosomal-str-loci-in-the-chinese-han-population-from-guangdong-province-in-southern-china
#3
Luyu Yang, Xiufeng Zhang, Lijuan Zhao, Yanan Sun, Jiajue Li, Renwu Huang, Liping Hu, Shengjie Nie
The genetic polymorphisms of 23 autosomal short tandem repeat (STR) loci included in the HuaxiaTM Platinum kit were evaluated in 1533 unrelated healthy Guangdong Han individuals living in the Guangdong Province in southern China. All of the loci reached the Hardy-Weinberg equilibrium. These loci were examined to determine the allele frequencies and forensic statistical parameters. The genetic relationship between the Guangdong Han and other Chinese populations was also estimated. The combined discrimination power and the probability of excluding the paternity of 23 STR loci were 0...
April 22, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28434008/impact-of-weight-related-discrimination-body-dissatisfaction-and-self-stigma-on-the-desire-to-weigh-less
#4
Franziska Jung, Jenny Spahlholz, Anja Hilbert, Steffi G Riedel-Heller, Claudia Luck-Sikorski
AIM: Currently, health care professionals plead for stabilization of weight and improving health conditions rather than focusing on weight loss only. Individuals with obesity have been shown to report weight loss goals that are much higher than what has been suggested by guidelines. The aim was to determine whether weight discrimination and body dissatisfaction have an impact on how much weight an individual with obesity wants to lose. METHODS: In this representative telephone survey, 878 participants with obesity were asked about their experiences with weight stigma, their body image concerns, and about the amount of weight they would like to weigh using random digital dialing and Kish selection grid to ensure random selection of participants...
April 22, 2017: Obesity Facts
https://www.readbyqxmd.com/read/28433938/imaging-lysosomal-highly-reactive-oxygen-species-and-lighting-up-cancer-cells-and-tumors-enabled-by-a-si-rhodamine-based-near-infrared-fluorescent-probe
#5
Hongxing Zhang, Jing Liu, Chenlu Liu, Pengcheng Yu, Minjia Sun, Xiaohan Yan, Jian-Ping Guo, Wei Guo
Lysosomes have recently been regarded as the attractive pharmacological targets for selectively killing of cancer cells via lysosomal cell death (LCD) pathway that is closely associated with reactive oxygen species (ROS). However, the details on the ROS-induced LCD of cancer cells are still poorly understood, partially due to the absence of a lysosome-targetable, robust, and biocompatible imaging tool for ROS. In this work, we brought forward a Si-rhodamine-based fluorescent probe, named PSiR, which could selectively and sensitively image the pathologically more relavent highly reactive oxygen species (hROS: HClO, HO, and ONOO(-)) in lysosomes of cancer cells...
April 14, 2017: Biomaterials
https://www.readbyqxmd.com/read/28433923/uhplc-q-orbitrap-hrms-based-global-metabolomics-reveal-metabolome-modifications-in-plasma-of-young-women-after-cranberry-juice-consumption
#6
Haiyan Liu, Timothy J Garrett, Zhihua Su, Christina Khoo, Liwei Gu
Plasma metabolome in young women following cranberry juice consumption were investigated using a global UHPLC-Q-Orbitrap-HRMS approach. Seventeen female college students, between 21 and 29 years old, were given either cranberry juice or apple juice for three days using a cross-over design. Plasma samples were collected before and after juice consumption. Plasma metabolomes were analyzed using UHPLC-Q-Orbitrap-HRMS followed by orthogonal partial least squares-discriminant analyses (OPLS-DA). S-plot was used to identify discriminant metabolites...
April 7, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28433856/detection-of-recurrent-activation-patterns-across-focal-seizures-application-to-seizure-onset-zone-identification
#7
Manel Vila-Vidal, Alessandro Principe, Miguel Ley, Gustavo Deco, Adrià Tauste Campo, Rodrigo Rocamora
OBJECTIVE: We introduce a method that quantifies the consistent involvement of intracranially monitored regions in recurrent focal seizures. METHODS: We evaluated the consistency of two ictal spectral activation patterns (mean power change and power change onset time) in intracranial recordings across focal seizures from seven patients with clinically marked seizure onset zone (SOZ). We examined SOZ discrimination using both patterns in different frequency bands and periods of interest...
April 3, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28433847/is-it-reliable-to-predict-the-outcome-of-elderly-patients-with-severe-traumatic-brain-injury-using-impact-prognostic-calculator
#8
Xueyan Wan, Kai Zhao, Sheng Wang, Huaqiu Zhang, Liang Zeng, Yu Wang, Lin Han, Rajluxmee Beejadhursing, Kai Shu, Ting Lei
BACKGROUND: Many investigators endeavor to predict the outcome based on admission characteristics using some established models to determine which management should be applied. However, the efficacy and applicability of the models using in the geriatric severe traumatic brain injury (TBI) patients have not been evaluated yet. METHODS: 137 geriatric severe TBI patients were enrolled in this retrospective study. Receiver operating characteristics (ROC) curves were constructed to evaluate the efficacy and usability of the IMPACT prognostic model in evaluating the prognosis for these patients...
April 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28433793/what-does-handedness-reveal-about-adhd-an-analysis-based-on-cpt-performance
#9
Eunice N Simões, Ana Lucia Novais Carvalho, Sergio L Schmidt
BACKGROUND: Attention-deficit/hyperactivity disorder (ADHD) is a developmental disorder. Continuous performance Tests (CPTs) aid the diagnosis. Handedness is linked to disabilities. OBJECTIVES: 1-To study the association between handedness and ADHD; 2-To verify the usefulness of the CPT in school settings; 3-To exam the relationship between handedness and CPT performance. METHOD: Each child was classified as right-consistent, left-consistent, or non-consistent...
April 20, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28433642/predicting-non-muscle-invasive-bladder-cancer-recurrence-and-progression-in-a-us-population
#10
Kourosh Ravvaz, Marcus E Walz, John A Weissert, Tracy M Downs
PURPOSE: To assess performance of The European Organization for Research and Treatment of Cancer (EORTC) and Club Urologico Español de Tratamiento Oncologico (CUETO) non-muscle invasive bladder cancer (NMIBC) predictive models compared to current US National Comprehensive Cancer Network (NCCN) treatment guidelines in a US population. MATERIALS AND METHODS: Retrospective analysis using electronic medical records of patients with NMIBC within a multicenter US patient population...
April 19, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28433374/peritoneal-fluid-cytokines-related-to-endometriosis-in-patients-evaluated-for-infertility
#11
Hilde Jørgensen, Abby S Hill, Michael T Beste, Manu P Kumar, Evan Chiswick, Peter Fedorcsak, Keith B Isaacson, Douglas A Lauffenburger, Linda G Griffith, Erik Qvigstad
OBJECTIVE: Our aim was to characterize peritoneal cytokine profiles in patients with infertility, with and without endometriosis, to illuminate potential differences in immune profiles that may reflect mechanistic differences between these two patient populations. DESIGN: Cross-sectional study. SETTING: University hospital and research center. PATIENT(S): Women undergoing laparoscopy for infertility investigation (n = 107)...
April 19, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28433235/-stone-free-rate-assesment-after-percutaneous-nephrolithotomy-using-nephrolitometric-nomogram
#12
Jason Damián Landa-Salas, Juan Ramón Torres-Anguiano, Efraín Maldonado-Alcaraz, Virgilio Augusto Lopez-Samano, Eduardo Alonso Serrano-Brambila, Jorge Moreno-Palacios
BACKGROUND: Percutaneous nephrolithotomy remains the standard of care for kidney stones larger than 2cm. Therefore, setting a prognosis for complete stone resolution through this method is essential. The prognostic tools available have limited prediction. OBJECTIVES: To evaluate the stone-free rate in patients undergoing percutaneous nephrolithotomy with the Clinical Research Office of the Endourological Society nomogram and suggest modifications to improve the classification...
April 19, 2017: Cirugia y Cirujanos
https://www.readbyqxmd.com/read/28433221/c-reactive-protein-predicts-acute-kidney-injury-and-death-after-coronary-artery-bypass-grafting
#13
Seung Seok Han, Dong Ki Kim, Sejoong Kim, Ho Jun Chin, Dong-Wan Chae, Ki Young Na
BACKGROUND: A better prediction of postoperative acute kidney injury (AKI) is worthwhile in patients undergoing coronary artery bypass grafting (CABG) because AKI is associated with high rates of morbidity and mortality. The present study was performed to investigate whether preoperative C-reactive protein (CRP) predicted AKI and the long-term rate of mortality in CABG. METHODS: This retrospective cohort study included 1,656 patients whose high-sensitivity CRPs were measured before CABG at two tertiary referral centers from 2004 to 2010...
April 19, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28433073/neurocognitive-function-in-clinically-stable-individuals-with-long-term-bipolar-i-disorder-comparisons-with-schizophrenia-patients-and-controls
#14
Pei-Yun Lin, Peng-Wei Wang, Cheng-Sheng Chen, Cheng-Fang Yen
This study compared the levels of the five domains of neurocognitive function-executive function, attention, memory, verbal comprehension, and perceptual organization-among clinically stable individuals with long-term bipolar I disorder, individuals with long-term schizophrenia, and a group of controls. We recruited a total of 93 clinically stable individuals with bipolar I disorder, 94 individuals with schizophrenia, and 106 controls in this study. Their neurocognitive function was measured using a series of neurocognitive function tests: the Wechsler Adult Intelligence Scale-Third Edition (WAIS-III), Line Cancellation Test, Visual Form Discrimination, Controlled Oral Word Association Test, Wisconsin Card Sorting Test, Continuous Performance Task, and Wechsler Memory Scale-Third Edition...
May 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28433056/discriminative-sensing-of-dopa-enantiomers-by-cyclodextrin-anchored-graphene-nanohybrids
#15
Salih Ates, Erhan Zor, Ilker Akin, Haluk Bingol, Sabri Alpaydin, Emine G Akgemci
Discriminative sensing of chiral species with a convenient and robust system is a challenge in chemistry, pharmaceutics and particularly in biomedical science. Advanced nanohybrid materials for discrimination of these biologically active molecules can be developed by combination of individual obvious advantages of different molecular scaffolds. Herein, we report on the comparison of the performance of cyclodextrin functionalized graphene derivatives (x-CD/rGO, x: α-, β-, γ-) for discrimination of DOPA enantiomers...
June 1, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28432933/-non-symbolic-magnitude-processing-in-children-with-mathematical-difficulties-a-meta-analysis
#16
Christin Schwenk, Delphine Sasanguie, Jörg-Tobias Kuhn, Sophia Kempe, Philipp Doebler, Heinz Holling
Symbolic and non-symbolic magnitude representations, measured by digit or dot comparison tasks, are assumed to underlie the development of arithmetic skills. The comparison distance effect (CDE) has been suggested as a hallmark of the preciseness of mental magnitude representations. It implies that two magnitudes are harder to discriminate when the numerical distance between them is small, and may therefore differ in children with mathematical difficulties (MD), i.e., low mathematical achievement or dyscalculia...
April 19, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28432897/hba1c-variability-in-type-2-diabetes-is-associated-with-the-occurrence-of-new-onset-albuminuria-within-three-years
#17
Sreemanee Raaj Dorajoo, Joceline Shi Ling Ng, Jessica Hui Fen Goh, Su Chi Lim, Chun Wei Yap, Alexandre Chan, Joyce Yu Chia Lee
AIMS: To evaluate the association between HbA1c coefficient of variation (HbA1c-CV) and 3-year new-onset albuminuria risk. METHODS: A retrospective cohort study involving 716 normoalbuminuric type 2 diabetes patients was conducted between 2010 and 2014. HbA1c-CV was used to categorize patients into low, moderate or high variability groups. Multivariate logistic models were constructed and validated. Integrated discrimination (IDI) and net reclassification (NRI) improvement indices were used to quantify the added predictive value of HbA1c-CV...
February 14, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28432876/effect-of-pistachio-consumption-on-the-modulation-of-urinary-gut-microbiota-related-metabolites-in-prediabetic-subjects
#18
Pablo Hernández-Alonso, Daniel Cañueto, Simona Giardina, Jordi Salas-Salvadó, Nicolau Cañellas, Xavier Correig, Mònica Bulló
The specific nutritional composition of nuts could affect different metabolic pathways involved in a broad range of metabolic diseases. We therefore investigated whether chronic consumption of pistachio nuts modifies the urine metabolome in prediabetic subjects. We designed a randomized crossover clinical trial in 39 prediabetic subjects. They consumed a pistachio-supplemented diet (PD, 50% carbohydrates, 33% fat, including 57 g/d of pistachios daily) and a control diet (CD, 55% carbohydrates, 30% fat) for 4 months each, separated by a 2-week wash-out...
April 12, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28432832/profiling-microrna-from-nephrectomy-and-biopsy-specimens-predictors-of-progression-and-survival-in-clear-cell-renal-cell-carcinoma
#19
Casey G Kowalik, Drew A Palmer, Travis B Sullivan, Patrick A Teebagy, John M Dugan, John A Libertino, Eric J Burks, David Canes, Kimberly M Rieger-Christ
OBJECTIVE: To identify miRNA characteristic of metastatic clear cell renal cell carcinoma (ccRCC) and those indicative of cancer specific survival in nephrectomy and biopsy specimens. We also sought to determine if a miRNA panel could differentiate benign from ccRCC tissue. MATERIALS AND METHODS: RNA was isolated from nephrectomy and kidney biopsy specimens (n=156; n=46 respectively). Samples were grouped: benign, non-progressive and progressive ccRCC. MiRNA were profiled by microarray and validated by qRT-PCR...
April 22, 2017: BJU International
https://www.readbyqxmd.com/read/28432767/categorical-learning-revealed-in-activity-pattern-of-left-fusiform-cortex
#20
Jessica E Goold, Ming Meng
The brain is organized such that it encodes and maintains category information about thousands of objects. However, how learning shapes these neural representations of object categories is unknown. The present study focuses on faces, examining whether: (1) Enhanced categorical discrimination or (2) Feature analysis enhances face/non-face categorization in the brain. Stimuli ranged from non-faces to faces with two-toned Mooney images used for testing and gray-scale images used for training. The stimulus set was specifically chosen because it has a true categorical boundary between faces and non-faces but the stimuli surrounding that boundary have very similar features, making the boundary harder to learn...
April 22, 2017: Human Brain Mapping
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