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https://www.readbyqxmd.com/read/28728164/disseminated-tumour-cells-with-highly-aberrant-genomes-are-linked-to-poor-prognosis-in-operable-oesophageal-adenocarcinoma
#1
Sarah Schumacher, Christoph Bartenhagen, Martin Hoffmann, Daniel Will, Johannes C Fischer, Stephan E Baldus, Christian Vay, Georg Fluegen, Levent Dizdar, Daniel Vallböhmer, Christoph A Klein, Wolfram T Knoefel, Nikolas H Stoecklein, Birte Möhlendick
BACKGROUND: Chromosomal instability (CIN) has repeatedly been identified as a prognostic marker. Here we evaluated the percentage of aberrant genome per cell (PAG) as a measure of CIN in single disseminated tumour cells (DTC) isolated from patients with operable oesophageal adenocarcinoma (EAC), to assess the impact of CIN(high) DTCs on prognosis. METHODS: We isolated CK18(positive) DTCs from bone marrow (BM) or lymph node (LN) preparations of operable EAC patients...
July 20, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28727688/diazepam-actions-in-the-vta-enhance-social-dominance-and-mitochondrial-function-in-the-nucleus-accumbens-by-activation-of-dopamine-d1-receptors
#2
M A van der Kooij, F Hollis, L Lozano, I Zalachoras, S Abad, O Zanoletti, J Grosse, I Guillot de Suduiraut, C Canto, C Sandi
Benzodiazepines can ameliorate social disturbances and increase social competition, particularly in high-anxious individuals. However, the neural circuits and mechanisms underlying benzodiazepines' effects in social competition are not understood. Converging evidence points to the mesolimbic system as a potential site of action for at least some benzodiazepine-mediated effects. Furthermore, mitochondrial function in the nucleus accumbens (NAc) has been causally implicated in the link between anxiety and social competitiveness...
July 20, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28727547/designing-and-implementation-of-stable-sinusoidal-rough-neural-identifier
#3
Ghasem Ahmadi, Mohammad Teshnehlab
A rough neuron is defined as a pair of conventional neurons that are called the upper and lower bound neurons. In this paper, the sinusoidal rough-neural networks (SR-NNs) are used to identify the discrete dynamic nonlinear systems (DDNSs) with or without noise in series-parallel configuration. In the identification of periodic nonlinear systems, sinusoidal activation functions provide more efficient neural networks than the sigmoidal activation functions. Based on the Lyapunov stability theory, an online learning algorithm is developed to train the SR-NNs...
August 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28727523/from-lead-exposure-in-early-childhood-to-adolescent-health-a-chicago-birth-cohort
#4
Alix S Winter, Robert J Sampson
OBJECTIVES: To assess the relationships between childhood lead exposure and 3 domains of later adolescent health: mental, physical, and behavioral. METHODS: We followed a random sample of birth cohort members from the Project on Human Development in Chicago Neighborhoods, recruited in 1995 to 1997, to age 17 years and matched to childhood blood test results from the Department of Public Health. We used ordinary least squares regression, coarsened exact matching, and instrumental variables to assess the relationship between average blood lead levels in childhood and impulsivity, anxiety or depression, and body mass index in adolescence...
July 20, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28727521/ethical-guidance-for-disaster-response-specifically-around-crisis-standards-of-care-a-systematic-review
#5
Jonathon P Leider, Debra DeBruin, Nicole Reynolds, Angelica Koch, Judy Seaberg
BACKGROUND: Terrorism, disease outbreaks, and other natural disasters and mass casualty events have pushed health care and public health systems to identify and refine emergency preparedness protocols for disaster response. Ethical guidance, alongside legal and medical frameworks, are increasingly common components of disaster response plans. OBJECTIVES: To systematically review the prevalence and content of ethical guidance offered for disaster response, specifically around crisis standards of care (CSCs)...
July 20, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28727196/insulin-regimens-for-newly-diagnosed-children-with-type-1-diabetes-mellitus-in-australia-and-new-zealand-a-survey-of-current-practice
#6
Dharrshinee Selvakumar, Hesham S Al-Sallami, Martin de Bock, Geoffrey R Ambler, Paul Benitez-Aguirre, Esko Wiltshire, Elaine Tham, Peter Simm, Louise S Conwell, Phillipa J Carter, Benjamin B Albert, Jinny Willis, Benjamin J Wheeler
AIM: There is no consensus on the optimal insulin treatment for children newly diagnosed with type 1 diabetes mellitus (T1DM). The aims of this study were (i) to describe the insulin regimens used at diagnosis by patient age and geographical region and (ii) to explore differences between and within Australia (AU) and New Zealand (NZ) with regards to other aspects of patient management and education. METHODS: An online survey of medical professionals caring for children with T1DM in AU and NZ was undertaken...
July 20, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28726811/knowledge-base-and-mini-expert-platform-for-the-diagnosis-of-inborn-errors-of-metabolism
#7
Jessica J Y Lee, Wyeth W Wasserman, Georg F Hoffmann, Clara D M van Karnebeek, Nenad Blau
PurposeRecognizing individuals with inherited diseases can be difficult because signs and symptoms often overlap those of common medical conditions. Focusing on inborn errors of metabolism (IEMs), we present a method that brings the knowledge of highly specialized experts to professionals involved in early diagnoses. We introduce IEMbase, an online expert-curated IEM knowledge base combined with a prototype diagnosis support (mini-expert) system.MethodsDisease-characterizing profiles of specific biochemical markers and clinical symptoms were extracted from an expert-compiled IEM database...
July 20, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28726810/a-randomized-controlled-trial-of-disclosing-genetic-risk-information-for-alzheimer-disease-via-telephone
#8
Kurt D Christensen, Wendy R Uhlmann, J Scott Roberts, Erin Linnenbringer, Peter J Whitehouse, Charmaine D M Royal, Thomas O Obisesan, L Adrienne Cupples, Melissa B Butson, Grace-Ann Fasaye, Susan Hiraki, Clara A Chen, Uwe Siebert, Robert Cook-Deegan, Robert C Green
PurposeTelephone disclosure of genetic test results can improve access to services. To date, studies of its impact have focused on return of Mendelian risk information, principally hereditary cancer syndromes.MethodsIn a multisite trial of Alzheimer disease genetic risk disclosure, asymptomatic adults were randomized to receive test results in person or via telephone. Primary analyses examined patient outcomes 12 months after disclosure.ResultsData from 257 participants showed that telephone disclosure occurred 7...
July 20, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28726803/quality-of-life-in-men-with-klinefelter-syndrome-the-impact-of-genotype-health-socioeconomics-and-sexual-function
#9
Anne Skakkebæk, Philip J Moore, Simon Chang, Jens Fedder, Claus H Gravholt
PurposeKlinefelter syndrome (KS) is associated with lower socioeconomic status and greater morbidity. However, relatively little is known about the quality of life for men with KS, or how KS and other factors combine to determine it.MethodsA total of 132 men with KS were recruited in clinics, and 313 matched controls were identified by Statistics Denmark. Demographics, socioeconomic status, health problems and behaviors, sexual function, medical follow-up, and mental and physical quality of life (MQoL and PQoL, respectively) were assessed for all participants through surveys...
July 20, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28726800/role-of-nicotinamide-n-methyltransferase-in-dorsal-striatum-in-cocaine-place-preference
#10
Li Luo, Fei-Fei Shang, Hailei Long, Linhong Jiang, Ruiming Zhu, Qian Zhao, Hui Gu, Jueying Kong, Wei Xu, Yinglan Zhao, Xiaobo Cen
Nicotinamide N-methyltransferase (NNMT) transfers the methyl from S-adenosyl-L-methionine (SAM) to nicotinamide (NA) to produce S-adenosyl-L-homocysteine (SAH) and 1-methylnicotinamide (MeN). NNMT has been implicated in a variety of diseases; however, the role of NNMT in drug addiction is largely unknown. Here, we found that the expression of Nnmt was significantly upregulated in the dorsal striatum (DS) of cocaine-conditioned mice. Cocaine significantly decreased SAM/SAH ratio levels in the DS, which was accompanied with the decreased activities of Rac1 and RhoA...
July 20, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28726799/the-insular-cortex-dynamically-maps-changes-in-cardiorespiratory-interoception
#11
Mahlega S Hassanpour, W Kyle Simmons, Justin S Feinstein, Qingfei Luo, Rachel Lapidus, Jerzy Bodurka, Martin P Paulus, Sahib S Khalsa
Palpitations and dyspnea are fundamental to the human experience of panic anxiety, but it remains unclear how the brain dynamically represents changes in these interoceptive sensations. We used isoproterenol, a rapidly acting peripheral beta-adrenergic agonist similar to adrenaline, to induce sensations of palpitation and dyspnea in healthy individuals (n=23) during arterial spin labeling (ASL) functional Magnetic Resonance Imaging (fMRI). We hypothesized that the right mid-insular cortex, a central recipient of viscerosensory input, would preferentially respond during the peak period of cardiorespiratory stimulation...
July 20, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28726798/gene-therapy-research-in-asia
#12
REVIEW
Hong-Xin Deng, Yuan Wang, Qiu-Rong Ding, Da-Li Li, Yu-Quan Wei
Gene therapy has shown great potential for the treatment of diseases that previously were either untreatable or treatable but not curable with conventional schemes. Recent progress in clinical gene therapy trials has emerged in various severe diseases, including primary immunodeficiencies, leukodystrophies, Leber's congenital amaurosis, haemophilia as well as retinal dystrophy. The clinical transformation and industrialization of gene therapy in Asia have been remarkable and continue making steady progress...
July 20, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28726473/the-effects-of-temporal-perspective-on-college-students-energy-drink-consumption
#13
Jarim Kim, Deepa Anagondahalli
OBJECTIVE: Consideration of future consequences (CFC) describes the extent to which individuals consider potential future outcomes of their present behaviors. This personality trait has been found to predict repetitive health behaviors. Research is yet to explore the role of health beliefs, which may mediate the relationship between CFC and self-directed health behaviors. Thus, this study examined how CFC affects energy drink-related health beliefs and consumption behavior. DESIGN: A cross-sectional correlational online survey with 1,050 college students was conducted...
July 20, 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/28726116/a-computationally-efficient-method-for-hand-eye-calibration
#14
Zhiqiang Zhang, Lin Zhang, Guang-Zhong Yang
PURPOSE: Surgical robots with cooperative control and semiautonomous features have shown increasing clinical potential, particularly for repetitive tasks under imaging and vision guidance. Effective performance of an autonomous task requires accurate hand-eye calibration so that the transformation between the robot coordinate frame and the camera coordinates is well defined. In practice, due to changes in surgical instruments, online hand-eye calibration must be performed regularly. In order to ensure seamless execution of the surgical procedure without affecting the normal surgical workflow, it is important to derive fast and efficient hand-eye calibration methods...
July 19, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28725025/an-atypical-case-of-spg56-cyp2u1-related-spastic-paraplegia-presenting-with-delayed-myelination
#15
Gaku Minase, Satoko Miyatake, Shin Nabatame, Hiroshi Arai, Eriko Koshimizu, Takeshi Mizuguchi, Mitsuko Nakashima, Noriko Miyake, Hirotomo Saitsu, Toshinobu Miyamoto, Kazuo Sengoku, Naomichi Matsumoto
Hereditary spastic paraplegia (HSP) is a neurological disorder characterized by a progressive spasticity and muscle weakness of the lower limbs. It is divided into two subtypes, uncomplicated and complicated forms. Biallelic mutations in the cytochrome P450 2U1 gene (CYP2U1) are associated with spastic paraplegia type 56 (SPG56), manifesting both uncomplicated and complicated HSP. Accompanying clinical features include intellectual disability, dystonia, cerebellar ataxia, subclinical peripheral neuropathy, visual impairment, as well as abnormalities in brain magnetic resonance imaging...
July 20, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28724991/benchmarking-selected-computational-gene-network-growing-tools-in-context-of-virus-host-interactions
#16
Biruhalem Taye, Candida Vaz, Vivek Tanavde, Vladimir A Kuznetsov, Frank Eisenhaber, Richard J Sugrue, Sebastian Maurer-Stroh
Several available online tools provide network growing functions where an algorithm utilizing different data sources suggests additional genes/proteins that should connect an input gene set into functionally meaningful networks. Using the well-studied system of influenza host interactions, we compare the network growing function of two free tools GeneMANIA and STRING and the commercial IPA for their performance of recovering known influenza A virus host factors previously identified from siRNA screens. The result showed that given small (~30 genes) or medium (~150 genes) input sets all three network growing tools detect significantly more known host factors than random human genes with STRING overall performing strongest...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724811/quantitative-physiological-measurements-to-evaluate-the-response-of-antivascular-endothelial-growth-factor-treatment-in-patients-with-neovascular-diseases
#17
REVIEW
In Hwan Hong, Sung Pyo Park
Antivascular endothelial growth factor (VEGF) treatment is still used intravitreally worldwide for various neovascular diseases, despite other available, approved treatments. We performed a systematic search of the literature focused on visual physiology studies. We used the online biomedical search engine PubMed and searched key words including "M-chart," "Preferential Hyperacuity Perimetry," "microperimetry," (MP) "electroretinography," and "contrast sensitivity" to estimate treatment efficacy of anti-VEGF treatments in a quantitative manner...
July 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28723886/prolonged-viral-replication-and-longitudinal-viral-dynamic-differences-among-respiratory-syncytial-virus-rsv-infected-infants
#18
Monica E Brint, Joshua M Hughes, Aditya Shah, Chelsea R Miller, Lisa G Harrison, Elizabeth A Meals, Jacqueline Blanch, Charlotte R Thompson, Stephania A Cormier, John P DeVincenzo
BACKGROUND: Longitudinal RSV dynamics have not been well-studied despite existence of factors favoring prolonged RSV replication including: high mutation rates allowing rapid evolution and potential escape from immune control. We therefore measured viral load in previously RSV-naïve infants over prolonged time-spans. METHODS: During 2014-2015, quantitative nasal aspirates were collected from 51 RSV-PCR+ infants. Multiple parallel assessments of viral loads were quantified at each collected time point using a well-validated real-time qRT-PCR assay...
July 19, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28723267/effects-of-drinker-self-schema-on-drinking-and-smoking-related-information-processing-and-behaviors
#19
Chia-Kuei Lee, Karen F Stein, Colleen Corte
BACKGROUND: Co-occurrence of drinking and smoking is prevalent in undergraduate students. A drinker self-schema - cognition about the self as the drinker - is a common identity in undergraduates and a well-known predictor of drinking behaviors. Given that smoking commonly occurs in the context of drinking, a drinker self-schema may be a cognitive mechanism to motivate co-occurring alcohol and tobacco use (i.e., cross-substance facilitation hypothesis). This study was to determine whether the drinker self-schema influences the processing of drinking- and smoking-related information and facilitates the co-occurrence of alcohol and tobacco use in undergraduate students who drink and smoke but do not self-identify as smokers...
July 19, 2017: Substance Abuse
https://www.readbyqxmd.com/read/28723186/ingestible-sensors
#20
Kourosh Kalantar-Zadeh, Nam Ha, Jian Zhen Ou, Kyle J Berean
Ingestible sensing capsules are fast emerging as a critical technology that has the ability to greatly impact health, nutrition, and clinical areas. These ingestible devices are noninvasive and hence are very attractive for customers. With widespread access to smart phones connected to the Internet, the data produced by this technology can be readily seen and reviewed online, and accessed by both users and physicians. The outputs provide invaluable information to reveal the state of gut health and disorders as well as the impact of food, medical supplements, and environmental changes on the gastrointestinal tract...
April 28, 2017: ACS Sensors
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