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https://www.readbyqxmd.com/read/27933692/preferential-changes-of-skeletal-muscle-echogenicity-in-myotonic-dystrophy-type-1
#1
N Takamatsu, K Sogawa, H Nodera, S Hashiguchi, Y Osaki, M Saito, A Mori, Y Izumi, R Kaji
BACKGROUND AND PURPOSE: In myotonic dystrophy type 1 (DM1), weakness of distal limb muscles affects quality of life. Non-invasive evaluation of muscular involvement by muscle sonography could be useful for characterizing muscle-specific involvement. METHODS: Sonography of the lower leg and forearm was performed in 19 patients with DM1 and 10 control subjects. The mean echo intensities (EIs) of seven limb muscles were obtained by computer-assisted histogram analysis and compared within DM1 according to the overall clinical severity...
December 9, 2016: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/27933492/comparative-analysis-of-speech-impairment-and-upper-limb-motor-dysfunction-in-parkinson-s-disease
#2
Jan Rusz, Tereza Tykalová, Radim Krupička, Kateřina Zárubová, Michal Novotný, Robert Jech, Zoltán Szabó, Evžen Růžička
It is currently unknown whether speech and limb motor effectors in Parkinson's disease (PD) are controlled by similar underlying brain processes. Based on computerized objective analysis, the aim of this study was to evaluate potential correlation between speech and mechanical tests of upper limb motor function. Speech and upper limb motor tests were performed in 22 PD patients and 22 healthy controls. Quantitative acoustic analyses of eight key speech dimensions of hypokinetic dysarthria, including quality of voice, sequential motion rates, consonant articulation, vowel articulation, average loudness, loudness variability, pitch variability, and number of pauses, were performed...
December 8, 2016: Journal of Neural Transmission
https://www.readbyqxmd.com/read/27933356/-injury-to-the-upper-limbs-and-prevention-in-equestrian-sports
#3
C Schröter, M Bielefeld, D Bielefeld, C Macke, C Winkelmann, P Mommsen, C Krettek, C Zeckey
The upper limb is one of the most frequently injured body regions in equestrian sports, but it is unclear which injuries are involved, and there are no data on the associated accident mechanism. The present study is aimed at evaluating the accident mechanisms, injuries of the upper limbs, and the circumstances of the accident in equestrian sports. We included 218 patients who were all treated between 2006 and 2014 at the level I trauma center at the Medical University in Hannover because of equestrian-related accidents...
December 8, 2016: Der Unfallchirurg
https://www.readbyqxmd.com/read/27932898/two-cases-of-vogt-koyanagi-harada-s-disease-in-sub-saharan-africa
#4
Tunji S Oluleye, Adekunle O Rotimi-Samuel, Adetunji Adenekan, Olubanke T Ilo, Folashade B Akinsola, Adeola O Onakoya, Olufisayo T Aribaba, Adebukunola Adefule-Ositelu, Kareem O Musa, Yele Oyefeso
Vogt-Koyanagi-Harada's (VKH) disease has been reported to be rare in sub-Saharan Africa. Two Nigerians with the disease are presented in this report. The first patient, a 32-year-old pregnant Nigerian woman presented with a 1-month history of bilateral blurring of vision, persistent headache, and alopecia. Presenting visual acuity was 1 m counting fingers in both eyes. Examination revealed vitiligo and poliosis with bilateral panuveitis as well as bilateral exudative retinal detachment. A clinical assessment of complete VKH disease was made...
2016: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/27932856/three-dimensional-soft-tissue-analysis-of-the-hand-a-novel-method-to-investigate-effects-of-acromegaly
#5
Inge A Hoevenaren, M A E M Wagenmakers, S H P P Roerink, R T Netea-Maier, D J O Ulrich, Thomas J J Maal
BACKGROUND: Acral overgrowth is a highly common clinical sign in patients with active acromegaly. To what extent this overgrowth persists after long-term remission of acromegaly is largely unknown. Using the new imaging technique of three-dimensional (3D) stereophotogrammetry, it is possible to accurately investigate soft tissue changes of the hand. The aim of the recent study was to compare the 3D soft tissue characteristics of the hands of patients in long-term remission of acromegaly to those of a healthy pair matched control group...
2016: European Journal of Plastic Surgery
https://www.readbyqxmd.com/read/27932534/perceptual-and-motor-performance-of-combat-sport-athletes-differs-according-to-specific-demands-of-the-discipline
#6
Wei-Ying Chen, Sheng K Wu, Tai-Fen Song, Kuei-Ming Chou, Kuei-Yuan Wang, Yao-Ching Chang, Patrick T Goodbourn
The specific demands of a combat-sport discipline may be reflected in the perceptual-motor performance of its athletes. Taekwondo, which emphasizes kicking, might require faster perceptual processing to compensate for longer latencies to initiate lower-limb movements and to give rapid visual feedback for dynamic postural control, while Karate, which emphasizes both striking with the hands and kicking, might require exceptional eye-hand coordination and fast perceptual processing. In samples of 38 Taekwondo athletes (16 females, 22 males; mean age = 19...
December 7, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27932457/structural-basis-for-the-dimerization-of-nab2-generated-by-rna-binding-provides-insight-into-its-contribution-to-both-poly-a-tail-length-determination-and-transcript-compaction-in-saccharomyces-cerevisiae
#7
Shintaro Aibara, James M B Gordon, Anja S Riesterer, Stephen H McLaughlin, Murray Stewart
In Saccharomyces cerevisiae generation of export-competent mRNPs terminates the nuclear phase of the gene expression pathway and facilitates transport to the cytoplasm for translation. Nab2 functions in this process to control both mRNP compaction that facilitates movement through nuclear pore complexes and the length of transcript poly(A) tails. Nab2 has a modular structure that includes seven CCCH Zn fingers that bind to A-rich RNAs and fingers 5-7 are critical for these functions. Here, we demonstrate, using both biophysical and structural methods, that binding A11G RNA induces dimerization of Zn fingers 5-7 mediated by the novel spatial arrangement of the fingers promoting each RNA chain binding two protein chains...
December 8, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27932205/cold-induced-sympathetic-tone-modifies-the-impact-of-endothelium-dependent-vasodilation-in-the-finger-pulp
#8
Tone Kristin Bergersen, Maria Skytioti, Maja Elstad
OBJECTIVE: In thermoneutral and cold subjects, the sympathetic nervous system regulates skin blood flow by adjusting frequency of the tonic vasoconstrictor impulses. However, the way these thermoregulatory impulses influence the vascular endothelium is not well known. We studied how the sympathetic nervous system influences endothelium-dependent vasodilation (EDV) caused by shear stress in skin containing arteriovenous anastomoses (AVAs) and arterioles in healthy subjects. METHODS: Thirteen healthy subjects were exposed to thermoneutral (29°C) and cold (22°C) ambient temperatures on separate days...
November 30, 2016: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/27930352/mir-590-promotes-transdifferentiation-of-porcine-and-human-fibroblasts-toward-a-cardiomyocyte-like-fate-by-directly-repressing-specificity-protein-1
#9
Vivek P Singh, Megumi Mathison, Vivekkumar Patel, Deepthi Sanagasetti, Brian W Gibson, Jianchang Yang, Todd K Rosengart
BACKGROUND: Reprogramming of cardiac fibroblasts into induced cardiomyocyte-like cells represents a promising potential new therapy for treating heart disease, inducing significant improvements in postinfarct ventricular function in rodent models. Because reprogramming factors effective in transdifferentiating rodent cells are not sufficient to reprogram human cells, we sought to identify reprogramming factors potentially applicable to human studies. METHODS AND RESULTS: Lentivirus vectors expressing Gata4, Mef2c, and Tbx5 (GMT); Hand2 (H), Myocardin (My), or microRNA (miR)-590 were administered to rat, porcine, and human cardiac fibroblasts in vitro...
November 10, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27929100/oxytocin-improves-synchronisation-in-leader-follower-interaction
#10
L Gebauer, M A G Witek, N C Hansen, J Thomas, I Konvalinka, P Vuust
The neuropeptide oxytocin has been shown to affect social interaction. Meanwhile, the underlying mechanism remains highly debated. Using an interpersonal finger-tapping paradigm, we investigated whether oxytocin affects the ability to synchronise with and adapt to the behaviour of others. Dyads received either oxytocin or a non-active placebo, intranasally. We show that in conditions where one dyad-member was tapping to another unresponsive dyad-member - i.e. one was following another who was leading/self-pacing - dyads given oxytocin were more synchronised than dyads given placebo...
December 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27929068/evolution-of-the-net-noca-nlz-elbow-tlp-1-protein-family-in-metazoans-insights-from-expression-data-and-phylogenetic-analysis
#11
Filipe Pereira, Sara Duarte-Pereira, Raquel M Silva, Luís Teixeira da Costa, Isabel Pereira-Castro
The NET (for NocA, Nlz, Elbow, TLP-1) protein family is a group of conserved zinc finger proteins linked to embryonic development and recently associated with breast cancer. The members of this family act as transcriptional repressors interacting with both class I histone deacetylases and Groucho/TLE co-repressors. In Drosophila, the NET family members Elbow and NocA are vital for the development of tracheae, eyes, wings and legs, whereas in vertebrates ZNF703 and ZNF503 are important for the development of the nervous system, eyes and limbs...
December 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27928909/using-proteomics-to-discover-novel-biomarkers-for-fatty-liver-development-and-response-to-cb1r-antagonist-treatment-in-an-obese-mouse-model
#12
Chin-Chang Chen, Tzung-Yan Lee, Ching-Fai Kwok, Yung-Pei Hsu, Kuang-Chung Shih, Yan-Jie Lin, Low-Tone Ho
Over activity of cannabinoid receptor type 1 (CB1R) plays a key role in increasing the incidence of obesity-induced nonalcoholic fatty liver disease. Tissue proteome analysis has been applied to investigate the bioinformatics regarding the mode of action and therapeutic mechanism. The aim of this study was to explore the potential pathways altered with CB1R in obesity-induced fatty liver. Male C57BL/6 mice were fed either a standard chow diet (STD) or a high-fat diet (HFD) with or without 1-week treatment of CB1R inverse agonist AM251 at 5 mg/kg...
December 8, 2016: Proteomics
https://www.readbyqxmd.com/read/27928822/-solanum-tuberosum-zpr1-encodes-a-light-regulated-nuclear-dna-binding-protein-adjusting-the-circadian-expression-of-stbbx24-to-light-cycle
#13
Agnieszka Kiełbowicz-Matuk, Jagoda Czarnecka, Ewa Banachowicz, Pascal Rey, Tadeusz Rorat
ZPR1 proteins belong to the C4-type of zinc finger coordinators known in animal cells to interact with other proteins and participate in cell growth and proliferation. In contrast, the current knowledge regarding plant ZPR1 proteins is very scarce. Here, we identify a novel potato nuclear factor belonging to this family and named StZPR1. StZPR1 is specifically expressed in photosynthetic organs during the light period and the ZPR1 protein is located in the nuclear chromatin fraction. Based on modeling and experimental analyses, we reveal the StZPR1 ability to bind the circadian DNA cis motif 'CAACAGCATC', named CIRC and present in the promoter of the clock-controlled double B-box StBBX24 gene, the expression of which peaks in the middle of the day...
December 8, 2016: Plant, Cell & Environment
https://www.readbyqxmd.com/read/27928408/correcting-finger-counting-to-snellen-acuity
#14
Rustum Karanjia, Tiffany Jean Hwang, Alexander Francis Chen, Andrew Pouw, Jack J Tian, Edward R Chu, Michelle Y Wang, Jeffrey Show Tran, Alfredo A Sadun
In this paper, the authors describe an online tool with which to convert and thus quantify count finger measurements of visual acuity into Snellen equivalents. It is hoped that this tool allows for the re-interpretation of retrospectively collected data that provide visual acuity in terms of qualitative count finger measurements.
October 2016: Neuro-ophthalmology
https://www.readbyqxmd.com/read/27925812/climate-change-and-water-quality-keeping-a-finger-on-the-pulse
#15
Keren Shanley
No abstract text is available yet for this article.
January 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/27924930/new-principle-for-measuring-arterial-blood-oxygenation-enabling-motion-robust-remote-monitoring
#16
Mark van Gastel, Sander Stuijk, Gerard de Haan
Finger-oximeters are ubiquitously used for patient monitoring in hospitals worldwide. Recently, remote measurement of arterial blood oxygenation (SpO2) with a camera has been demonstrated. Both contact and remote measurements, however, require the subject to remain static for accurate SpO2 values. This is due to the use of the common ratio-of-ratios measurement principle that measures the relative pulsatility at different wavelengths. Since the amplitudes are small, they are easily corrupted by motion-induced variations...
December 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27924040/kdm2a-integrates-dna-and-histone-modification-signals-through-a-cxxc-phd-module-and-direct-interaction-with-hp1
#17
Julie Borgel, Marek Tyl, Karin Schiller, Zsofia Pusztai, Christopher M Dooley, Wen Deng, Carol Wooding, Richard J White, Tobias Warnecke, Heinrich Leonhardt, Elisabeth M Busch-Nentwich, Till Bartke
Functional genomic elements are marked by characteristic DNA and histone modification signatures. How combinatorial chromatin modification states are recognized by epigenetic reader proteins and how this is linked to their biological function is largely unknown. Here we provide a detailed molecular analysis of chromatin recognition by the lysine demethylase KDM2A. Using biochemical approaches we identify a nucleosome interaction module within KDM2A consisting of a CXXC type zinc finger, a PHD domain and a newly identified Heterochromatin Protein 1 (HP1) interaction motif that mediates direct binding between KDM2A and HP1...
October 24, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27923400/allele-specific-expression-in-the-human-heart-and-its-application-to-postoperative-atrial-fibrillation-and-myocardial-ischemia
#18
Martin I Sigurdsson, Louis Saddic, Mahyar Heydarpour, Tzuu-Wang Chang, Prem Shekar, Sary Aranki, Gregory S Couper, Stanton K Shernan, Jon G Seidman, Simon C Body, Jochen D Muehlschlegel
BACKGROUND: Allele-specific expression (ASE) is differential expression of each of the two chromosomal alleles of an autosomal gene. We assessed ASE patterns in the human left atrium (LA, n = 62) and paired samples from the left ventricle (LV, n = 76) before and after ischemia, and tested the utility of differential ASE to identify genes associated with postoperative atrial fibrillation (poAF) and myocardial ischemia. METHODS: Following genotyping from whole blood and whole-genome sequencing of LA and LV samples, we called ASE using sequences overlapping heterozygous SNPs using rigorous quality control to minimize false ASE calling...
December 6, 2016: Genome Medicine
https://www.readbyqxmd.com/read/27923170/instant-detection-and-identification-of-concealed-explosive-related-compounds-induced-stokes-raman-versus-infrared
#19
Sherif Elbasuney, Ashraf F El-Sherif
The instant detection of explosives and explosive-related compounds has become an urgent priority in recent years for homeland security and counter-terrorism applications. Modern techniques should offer enhancement in selectivity, sensitivity, and standoff distances. Miniaturisation, portability, and field-ruggedisation are crucial requirements. This study reports on instant and standoff identification of concealed explosive-related compounds using customized Raman technique. Stokes Raman spectra of common explosive-related compounds were generated and spectrally resolved to create characteristic finger print spectra...
November 30, 2016: Forensic Science International
https://www.readbyqxmd.com/read/27922669/upregulation-of-smad4-by-mzf1-inhibits-migration-of-human-gastric-cancer-cells
#20
Jin-Hee Lee, Sung-Su Kim, Hun Seok Lee, Sungyoul Hong, Nirmal Rajasekaran, Li-Hui Wang, Joon-Seok Choi, Young Kee Shin
SMAD4 is a tumor suppressor that is frequently inactivated in many types of cancer. The role of abnormal expression of SMAD4 has been reported in developmental processes and the progression of various human cancers. The expression level of SMAD4 has been related to the survival rate in gastric cancer patients. However, the molecular mechanism underlying transcriptional regulation of SMAD4 remains largely unknown. In the present study, we characterized the promoter region of SMAD4 and identified myeloid zinc finger 1 (MZF1), as a putative transcription factor...
December 6, 2016: International Journal of Oncology
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