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https://www.readbyqxmd.com/read/28087813/ethnic-differences-in-anthropometric-measures-and-abdominal-fat-distribution-a-cross-sectional-pooled-study-in-inuit-africans-and-europeans
#1
Pernille F Rønn, Gregers S Andersen, Torsten Lauritzen, Dirk L Christensen, Mette Aadahl, Bendix Carstensen, Marit E Jørgensen
BACKGROUND: Ethnic variation in abdominal fat distribution may explain differences in cardiometabolic risk between populations. However, the ability of anthropometric measures to quantify abdominal fat is not clearly understood across ethnic groups. The aim of this study was to investigate the associations between anthropometric measures and visceral (VAT) and subcutaneous abdominal adipose tissue (SAT) in Inuit, Africans and Europeans. METHODS: We combined cross-sectional data from 3 studies conducted in Greenland, Kenya and Denmark using similar methodology...
January 13, 2017: Journal of Epidemiology and Community Health
https://www.readbyqxmd.com/read/28087731/increased-nbcn1-expression-na-hco3-co-transport-and-intracellular-ph-in-human-vascular-smooth-muscle-cells-with-a-risk-allele-for-hypertension
#2
Fu Liang Ng, Ebbe Boedtkjer, Katarzyna Witkowska, Meixia Ren, Ruoxin Zhang, Arthur Tucker, Christian Aalkjær, Mark J Caulfield, Shu Ye
Genome-wide association studies have revealed an association between variation at the SLC4A7 locus and blood pressure. SLC4A7 encodes the electroneutral Na(+)/HCO3 co-transporter NBCn1 which regulates intracellular pH (pHi). We conducted a functional study of variants at this locus in primary cultures of vascular smooth muscle and endothelial cells. In both cell types, we found genotype-dependent differences for rs13082711 in DNA-nuclear protein interactions, where the risk allele is associated with increased SLC4A7 expression level, NBCn1 availability and function as reflected in elevated steady-state pHi and accelerated recovery from intracellular acidosis...
January 13, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28087419/cochlear-synaptopathy-in-acquired-sensorineural-hearing-loss-manifestations-and-mechanisms
#3
REVIEW
M Charles Liberman, Sharon G Kujawa
Common causes of hearing loss in humans - exposure to loud noise or ototoxic drugs and aging - often damage sensory hair cells, reflected as elevated thresholds on the clinical audiogram. Recent studies in animal models suggest, however, that well before this overt hearing loss can be seen, a more insidious, but likely more common, process is taking place that permanently interrupts synaptic communication between sensory inner hair cells and subsets of cochlear nerve fibers. The silencing of affected neurons alters auditory information processing, whether accompanied by threshold elevations or not, and is a likely contributor to a variety of perceptual abnormalities, including speech-in-noise difficulties, tinnitus and hyperacusis...
January 10, 2017: Hearing Research
https://www.readbyqxmd.com/read/28087304/sleep-and-neurodegeneration-a-critical-appraisal
#4
REVIEW
Jagan A Pillai, James B Leverenz
Sleep abnormalities are clearly recognized as distinct clinical symptom of concern in neurodegenerative disorders. Appropriate management of sleep related symptoms has a positive impact on the quality of life of patients with neurodegenerative disorders. This review provides an overview of mechanisms that are currently being considered that tie sleep with neurodegeneration. It appraises the literature regarding specific sleep changes among common neurodegenerative diseases with a focus on Alzheimer's disease and synucleinopathies (i...
January 10, 2017: Chest
https://www.readbyqxmd.com/read/28087270/examining-the-reliability-and-validity-of-the-clinical-assessment-interview-for-negative-symptoms-within-the-management-of-schizophrenia-in-clinical-practice-mosaic-multisite-national-study
#5
Jack J Blanchard, Kristen R Bradshaw, Cristina P Garcia, Henry A Nasrallah, Philip D Harvey, Daniel Casey, Csilla T Csoboth, James I Hudson, Laura Julian, Ellen Lentz, Keith H Nuechterlein, Diana O Perkins, Tracey G Skale, Lonnie R Snowden, Rajiv Tandon, Cenk Tek, Dawn Velligan, Sophia Vinogradov, Cedric O'Gorman
The current study sought to expand on prior reports of the validity and reliability of the CAINS (CAINS) by examining its performance across diverse non-academic clinical settings as employed by raters not affiliated with the scale's developers and across a longer test-retest follow-up period. The properties of the CAINS were examined within the Management of Schizophrenia in Clinical Practice (MOSAIC) schizophrenia registry. A total of 501 participants with a schizophrenia spectrum diagnosis who were receiving usual care were recruited across 15 national Patient Assessment Centers and evaluated with the CAINS, other negative symptom measures, and assessments of functioning, quality of life and cognition...
January 11, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28087073/abnormal-mortality-of-octopus-after-a-storm-water-event-accumulated-lead-and-lead-isotopes-as-fingerprints
#6
J Raimundo, F Ruano, J Pereira, M Mil-Homens, P Brito, C Vale, M Caetano
Octopus vulgaris is a sedentary organism that inhabits coastal waters being exposed to anthropogenic compounds. Lead concentration in coastal environments reflects many processes and activities namely weathering, industrial and domestic discharges, and atmospheric deposition. Since lead isotopic composition is little affected by kinetic processes occurring between source and sink, its signature has been used to identify different Pb sources. After a short-term heavy rainfall, hundreds of octopus appeared dead in two Portuguese coastal areas...
January 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28086960/the-relationship-between-synovitis-quantified-by-an-ultrasound-7-joint-inflammation-score-and-physical-disability-in-rheumatoid-arthritis-a-cohort-study
#7
Jakub Závada, Petra Hánová, Jana Hurňáková, Lenka Szczuková, Michal Uher, Šárka Forejtová, Martin Klein, Herman Mann, Marta Olejárová, Olga Růžičková, Olga Šléglová, Karel Hejduk, Karel Pavelka
BACKGROUND: Restoring normal physical functioning is a major therapeutic aim in the management of rheumatoid arthritis (RA). It is unknown, whether the extent of synovial inflammation quantified by musculoskeletal ultrasound (US) can predict current or future capacity for physical functioning. To answer this question we investigated the longitudinal relationship between physical function assessed by the health assessment questionnaire (HAQ) and the German 7-joint ultrasound score (US7S) in a prospective cohort of patients with RA...
January 13, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28086783/de-novo-transcriptome-analysis-of-rose-scented-geranium-provides-insights-into-the-metabolic-specificity-of-terpene-and-tartaric-acid-biosynthesis
#8
Lokesh K Narnoliya, Girija Kaushal, Sudhir P Singh, Rajender S Sangwan
BACKGROUND: Rose-scented geranium (Pelargonium sp.) is a perennial herb that produces a high value essential oil of fragrant significance due to the characteristic compositional blend of rose-oxide and acyclic monoterpenoids in foliage. Recently, the plant has also been shown to produce tartaric acid in leaf tissues. Rose-scented geranium represents top-tier cash crop in terms of economic returns and significance of the plant and plant products. However, there has hardly been any study on its metabolism and functional genomics, nor any genomic expression dataset resource is available in public domain...
January 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28081516/autism-does-not-limit-strategic-thinking-in-the-beauty-contest-game
#9
Peter C Pantelis, Daniel P Kennedy
A popular hypothesis in developmental psychology is that individuals with autism spectrum disorder (ASD) have a specific impairment or developmental delay in their ability to reason about other people's mental processes, especially when this reasoning process is of a higher-order, recursive, or nested variety. One type of interpersonal interaction that involves this sort of complex reasoning about others' minds is an economic game, and because economic games have been extensively modeled in behavioral economics, they provide a unique testbed for a quantitative and precise analysis of cognitive functioning in ASD...
January 9, 2017: Cognition
https://www.readbyqxmd.com/read/28081458/multistage-bioassociation-of-uranium-onto-an-extremely-halophilic-archaeon-revealed-by-a-unique-combination-of-spectroscopic-and-microscopic-techniques
#10
Miriam Bader, Katharina Müller, Harald Foerstendorf, Björn Drobot, Matthias Schmidt, Niculina Musat, Juliet S Swanson, Donald T Reed, Thorsten Stumpf, Andrea Cherkouk
The interactions of two extremely halophilic archaea with uranium were investigated at high ionic strength as a function of time, pH and uranium concentration. Halobacterium noricense DSM-15987 and Halobacterium sp. putatively noricense, isolated from the Waste Isolation Pilot Plant repository, were used for these investigations. The kinetics of U(VI) bioassociation with both strains showed an atypical multistage behavior, meaning that after an initial phase of U(VI) sorption, an unexpected interim period of U(VI) release was observed, followed by a slow reassociation of uranium with the cells...
December 27, 2016: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28080976/respiratory-modulation-of-startle-eye-blink-a-new-approach-to-assess-afferent-signals-from-the-respiratory-system
#11
André Schulz, Thomas M Schilling, Claus Vögele, Mauro F Larra, Hartmut Schächinger
Current approaches to assess interoception of respiratory functions cannot differentiate between the physiological basis of interoception, i.e. visceral-afferent signal processing, and the psychological process of attention focusing. Furthermore, they typically involve invasive procedures, e.g. induction of respiratory occlusions or the inhalation of CO2-enriched air. The aim of this study was to test the capacity of startle methodology to reflect respiratory-related afferent signal processing, independent of invasive procedures...
November 19, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28080975/neural-correlates-of-heart-focused-interoception-a-functional-magnetic-resonance-imaging-meta-analysis
#12
REVIEW
Stefan M Schulz
Interoception is the ability to perceive one's internal body state including visceral sensations. Heart-focused interoception has received particular attention, in part due to a readily available task for behavioural assessment, but also due to accumulating evidence for a significant role in emotional experience, decision-making and clinical disorders such as anxiety and depression. Improved understanding of the underlying neural correlates is important to promote development of anatomical-functional models and suitable intervention strategies...
November 19, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28079862/extra-neuronal-pathology-in-a-canine-model-of-cln2-neuronal-ceroid-lipofuscinosis-after-intracerebroventricular-gene-therapy-that-delays-neurological-disease-progression
#13
M L Katz, G C Johnson, S B Leach, B G Williamson, J R Coates, R E H Whiting, D P Vansteenkiste, M S Whitney
CLN2 neuronal ceroid lipofuscinosis is a hereditary lysosomal storage disease with primarily neurological signs that results from mutations in TPP1 which encodes the lysosomal enzyme tripeptidyl peptidase-1 (TPP1). Studies using a canine model for this disorder demonstrated that delivery of TPP1 enzyme to the cerebrospinal fluid (CSF) by intracerebroventricular administration of an AAV-TPP1 vector resulted in substantial delays in the onset and progression of neurological signs and prolongation of lifespan...
January 12, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28079843/the-association-between-bnp-6mwd-test-dlco-and-pulmonary-hypertension-in-sarcoidosis
#14
Mehdi Mirsaeidi, Hesham R Omar, Robert Baughman, Roberto Machado, Nadera Sweiss
INTRODUCTION: Pulmonary hypertension (PH) is a feared complication in patients with sarcoidosis.It is an important negative prognostic factor which is reflected as a priority given to these subjects for orthotopic lung transplantation. We evaluated the relationship between BNP, 6MWD test, DLCO% values and the severity of sarcoidosis-associated pulmonary hypertension. METHODS: A retrospective chart review was conducted between January 2010 and January 2015 on consecutive confirmed adult subjects diagnosed with sarcoidosis...
December 23, 2016: Sarcoidosis, Vasculitis, and Diffuse Lung Diseases: Official Journal of WASOG
https://www.readbyqxmd.com/read/28079398/feasibility-evaluation-of-diffusion-weighted-imaging-using-an-integrated-mri-radiotherapy-system-for-response-assessment-to-neoadjuvant-therapy-in-rectal-cancer
#15
Narek Shaverdian, Yingli Yang, Peng Hu, Steven Hart, Ke Sheng, James Lamb, Minsong Cao, Nzhde Agazaryan, David Thomas, Michael Steinberg, Daniel A Low, Percy Lee
OBJECTIVES: To evaluate the feasibility of on-board DWI with an integrated low-field MRI-radiotherapy system to assess responses to neoadjuvant chemoradiation (NAC) in rectal cancer. METHODS: A spin echo-based planar imaging diffusion sequence on a 0.35 T MRI-radiotherapy system was acquired over the course of NAC. The apparent diffusion coefficients (ADC) from the tumor region of interest (ROIs) were calculated. A functional diffusion map (fDM) was created showing a pixel-wise ADC analysis of the ROI over the course of treatment...
January 12, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28079210/probing-nonlinear-optical-coefficients-in-self-assembled-peptide-nanotubes
#16
Soma Khanra, Kartik Ghosh, Fabio F Ferreira, Wendel A Alves, Francesco Punzo, Ping Yu, Suchismita Guha
Self-assembled l,l-diphenylalanine (FF) peptide micro/nanotubes represent a class of biomimetic materials with a non-centrosymmetric crystal structure and strong piezoelectricity. The peptide nanotubes synthesized by a liquid phase method yield tube lengths in the hundreds of micron range, inner diameters in the few hundred nanometer range, and outer diameters in the 5-15 μm range. Second harmonic generation (SHG) polarimetry from individual self-assembled FF nanotubes is used to obtain the nonlinear (NLO) optical coefficients as a function of the tube diameter and thermal treatment...
January 12, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28078394/kinematics-of-a-bicruciate-retaining-total-knee-arthroplasty
#17
Thomas J Heyse, Joshua Slane, Geert Peersman, Margo Dirckx, Arne van de Vyver, Philipp Dworschak, Susanne Fuchs-Winkelmann, Lennart Scheys
PURPOSE: The recently reintroduced bicruciate-retaining Total Knee Arthroplasty (BCR TKA) is an interesting approach in the quest for close replication of knee joint biomechanics and kinematics closer to the native knee. Therefore, this study aimed at providing a detailed biomechanical view on the functional resemblance of BCR TKA to the native knee joint. METHODS: Seven fresh-frozen full leg cadaver specimens (76 ± 10 year) were mounted in a 6 degrees-of-freedom kinematic rig that applied a dynamic squatting motion knee flexion...
January 11, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28077859/benefits-of-whole-body-vibration-training-on-arterial-function-and-muscle-strength-in-young-overweight-obese-women
#18
Stacey Alvarez-Alvarado, Salvador J Jaime, Michael J Ormsbee, Jeremiah C Campbell, Joy Post, Jacob Pacilio, Arturo Figueroa
The early arterial dysfunction linked with obesity and a sedentary lifestyle heightens the likelihood of suffering from future cardiovascular events. Whole-body vibration training (WBVT) may improve systemic arterial stiffness (brachial-ankle pulse wave velocity (baPWV)) and muscle strength in pre- and post-menopausal women. However, the effectiveness of WBVT to impact the arterial segments included in baPWV is unknown. The aim of this study was to investigate the effects of WBVT on aortic and leg arterial stiffness in young sedentary overweight/obese women...
January 12, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28077725/encoding-of-both-reaching-and-grasping-kinematics-in-dorsal-and-ventral-premotor-cortices
#19
Kazutaka Takahashi, Matthew D Best, Noah Huh, Kevin A Brown, Adil A Tobaa, Nicholas G Hatsopoulos
: Classically, it has been hypothesized that reach-to-grasp movements arise from two discrete parieto-frontal cortical networks. As part of these networks, the dorsal premotor cortex has been implicated in the control of reaching movements of the arm, while the ventral premotor cortex has been associated with the control of grasping movements of the hand. Recent studies have shown that such a strict delineation of function along anatomical boundaries is unlikely partly because reaching to different locations can alter distal hand kinematics and grasping different objects can affect kinematics of the proximal arm; Here, we used chronically implanted multi-electrode arrays to record unit spiking activity in both PMd and PMv simultaneously while rhesus macaques engaged in a reach-to-grasp task...
January 11, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28077714/formation-of-long-term-locomotor-memories-is-associated-with-functional-connectivity-changes-in-the-cerebellar-thalamic-cortical-network
#20
Firas Mawase, Simona Bar-Haim, Lior Shmuelof
: Although motor adaptation is typically rapid, accumulating evidence shows that it is also associated with long-lasting behavioral and neuronal changes. Two processes were suggested to explain the formation of long-term motor memories: recall, reflecting a retrieval of previous motor actions, and faster relearning, reflecting an increased sensitivity to errors. Although these manifestations of motor memories were initially demonstrated in the context of adaptation experiments in reaching, indications of long-term motor memories were also demonstrated recently in other kinds of adaptation such as in locomotor adaptation...
January 11, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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