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https://www.readbyqxmd.com/read/28231562/corrigendum-to-prevalence-of-human-papillomavirus-genotypes-and-mucosal-iga-anti-viral-responses-in-women-with-cervical-ectopy-j-clin-virol-47-2010-43-48
#1
Olga L Monroy, Cecilia Aguilar, Marcela Lizano, Fernando Cruz-Talonia, Rosa M Cruz, Leticia Rocha-Zavaleta
No abstract text is available yet for this article.
February 20, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28231479/intermittent-bilateral-coherence-in-physiological-and-essential-hand-tremor
#2
Soma Chakraborty, Jana Kopecká, Otakar Šprdlík, Martina Hoskovcová, Olga Ulmanová, Evžen Růžička, Martin Zapotocky
OBJECTIVE: To investigate the prevalence and the temporal structure of bilateral coherence in physiological (PT) and essential (ET) hand tremor. METHODS: Triaxial accelerometric recordings from both hands in 30 healthy subjects and 34 ET patients were analyzed using spectral coherence and wavelet coherence methods. In 12 additional healthy subjects, the relation between the hand tremor and the chest wall acceleration was evaluated using partial coherence analysis...
January 14, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28230807/effect-of-reduction-of-redox-modifications-of-cys-residues-in-the-na-k-atpase-%C3%AE-1-subunit-on-its-activity
#3
Elena A Dergousova, Irina Yu Petrushanko, Elizaveta A Klimanova, Vladimir A Mitkevich, Rustam H Ziganshin, Olga D Lopina, Alexander A Makarov
Sodium-potassium adenosine triphosphatase (Na,K-ATPase) creates a gradient of sodium and potassium ions necessary for the viability of animal cells, and it is extremely sensitive to intracellular redox status. Earlier we found that regulatory glutathionylation determines Na,K-ATPase redox sensitivity but the role of basal glutathionylation and other redox modifications of cysteine residues is not clear. The purpose of this study was to detect oxidized, nitrosylated, or glutathionylated cysteine residues in Na,K-ATPase, evaluate the possibility of removing these modifications and assess their influence on the enzyme activity...
February 21, 2017: Biomolecules
https://www.readbyqxmd.com/read/28230385/auditory-cue-absence-as-a-conditioned-stimulus-for-delay-eyeblink-conditioning
#4
Matthew M Campolattaro, Sean W Savage, Olga Lipatova
The present experiment was designed to determine if the absence of an auditory cue (i.e., a "tone-off" cue) would be an effective conditioned stimulus (CS) for delay eyeblink conditioning and to test if the medial geniculate nucleus (MGN) is part of the sensory pathway for tone-off conditioning. Rats were given paired or unpaired delay eyeblink conditioning to examine if responding to a tone-off CS was due to an associative process. An inactivation technique was performed on a separate group of rats to determine if the MGN is needed to express tone-off conditioning...
February 23, 2017: Behavioral Neuroscience
https://www.readbyqxmd.com/read/28229824/normal-arterial-stiffness-in-familial-mediterranean-fever-evidence-for-a-possible-cardiovascular-protective-role-of-colchicine
#5
Olga Kukuy, Avi Livneh, Liran Mendel, Ariel Benor, Eitan Giat, Oleg Perski, Olga Feld, Yonatan Kassel, Ilan Ben-Zvi, Merav Lidar, Eliezer J Holtzman, Adi Leiba
OBJECTIVES: Familial Mediterranean fever (FMF) is an autoinflammatory disorder with episodic and persistent inflammation, which is only partially suppressed by continuous colchicine treatment. While chronic inflammation is considered an important cardiovascular risk factor in many inflammatory disorders, its impact in FMF is still disputed. We measured arterial stiffness, a marker of atherosclerotic cardiovascular disease, in a group of FMF patients, in order to evaluate the cardiovascular consequences of inflammation in FMF and the role of colchicine in their development...
February 9, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28229595/stabilization-of-the-perovskite-phase-of-formamidinium-lead-triiodide-by-methylammonium-cs-and-or-rb-doping
#6
Olga A Syzgantseva, Michael Saliba, Michael Grätzel, Ursula Rothlisberger
In this work we perform a computational study comparing the influence of monovalent cation substitution by methylammonium (MA+), cesium (Cs+) and rubidium (Rb+) on the properties of formamidinium lead triiodide (FAPbI3)-based perovskites. The relative stability of the desired, photoactive perovskite α phase ("black phase") and the non-photoactive, non-perovskite δ phase ("yellow phase") is studied as a function of dopant nature, concentration and temperature. Cs+ and Rb+ are shown to be more efficient in the stabilization of the perovskite α phase than MA+...
February 23, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28229187/-precursors-of-gastric-cancer-dysplasia-and-adenoma
#7
C Langner
Gastric cancer develops from preneoplastic and early neoplastic precursor lesions. In particular, the intestinal type according to the Lauren classification is driven by chronic inflammation and progresses via a chronic gastritis - atrophy/metaplasia - dysplasia - carcinoma sequence. Staging of the extent of atrophy (OLGA) or intestinal metaplasia (OLGIM) enables risk stratification and determines follow-up investigations according to the management of precancerous conditions and lesions in the stomach (MAPS) international guidelines...
February 22, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28228935/erratum-to-normal-endothelial-but-impaired-arterial-development-in-map-kinase-activated-protein-kinase-2-mk2-deficient-mice
#8
L Christian Napp, Olga Jabs, Anna Höckelmann, Jochen Dutzmann, Piyushkumar R Kapopara, Daniel G Sedding, Matthias Gaestel, Johann Bauersachs, Udo Bavendiek
[This corrects the article DOI: 10.1186/s13221-016-0038-2.].
2017: Vascular Cell
https://www.readbyqxmd.com/read/28228401/wolf-hirschhorn-syndrome-candidate-1-like-1-epigenetically-regulates-nephrin-gene-expression
#9
Yugo Ito, Kan Katayama, Yukino Nishibori, Yoshihiro Akimoto, Akihiko Kudo, Ryota Kurayama, Ichiro Hada, Shohei Takahashi, Toru Kimura, Toshiyuki Fukutomi, Tomohisa Katada, Junichi Suehiro, Olga Beltcheva, Karl Tryggvason, Kunimasa Yan
Altered expression of nephrin underlies the pathophysiology of proteinuria in both congenital and acquired nephrotic syndrome. However, the epigenetic mechanisms of nephrin gene regulation remain elusive. Here, we show that Wolf-Hirschhorn syndrome candidate 1-like 1 long form (WHSC1L1-L) is a novel epigenetic modifier of nephrin gene regulation. WHSC1L1-L was associated with histone H3K4 and H3K36 in human embryonic kidney cells. WHSC1L1-L gene was expressed in the podocytes and functional protein product was detected in these cells...
February 22, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28227949/wrist-worn-heartbeat-monitoring-system-based-on-bio-impedance-analysis
#10
Jia Xu, Xiaomeng Gao, Alexander Lee, Shuhei Yamada, Ehsan Yavari, Victor Lubecke, Olga Boric-Lubecke, Jia Xu, Xiaomeng Gao, Alexander Lee, Shuhei Yamada, Ehsan Yavari, Victor Lubecke, Olga Boric-Lubecke, Olga Boric-Lubecke, Xiaomeng Gao, Shuhei Yamada, Ehsan Yavari, Jia Xu, Victor Lubecke, Alexander Lee
In this paper, a bio-impedance analysis (BIA) based wrist-worn heartbeat monitoring system is proposed. The system is able to estimate heart rate from a subject's wrist with only four electrodes. The design is achieved with a standard BIA device and off-the-shelf components for signal conditioning. The measured heartbeat-related impedance signal is compared with a reference heart rate signal obtained from piezoelectric finger pulse transducer. The BIA results agree with the reference, which validates the feasibility of the proposed system...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227856/multiquadric-spline-based-interactive-segmentation-of-vascular-networks
#11
Sachin Meena, V B Surya Prasath, Yasmin M Kassim, Richard J Maude, Olga V Glinskii, Vladislav V Glinsky, Virginia H Huxley, Kannappan Palaniappan, Sachin Meena, V B Surya Prasath, Yasmin M Kassim, Richard J Maude, Olga V Glinskii, Vladislav V Glinsky, Virginia H Huxley, Kannappan Palaniappan, Virginia H Huxley, Yasmin M Kassim, Sachin Meena, Kannappan Palaniappan, Vladislav V Glinsky, Olga V Glinskii, Richard J Maude, V B Surya Prasath
Commonly used drawing tools for interactive image segmentation and labeling include active contours or boundaries, scribbles, rectangles and other shapes. Thin vessel shapes in images of vascular networks are difficult to segment using automatic or interactive methods. This paper introduces the novel use of a sparse set of user-defined seed points (supervised labels) for precisely, quickly and robustly segmenting complex biomedical images. A multiquadric spline-based binary classifier is proposed as a unique approach for interactive segmentation using as features color values and the location of seed points...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227125/random-forests-for-dura-mater-microvasculature-segmentation-using-epifluorescence-images
#12
Yasmin M Kassim, V B Surya Prasath, Rengarajan Pelapur, Olga V Glinskii, Richard J Maude, Vladislav V Glinsky, Virginia H Huxley, Kannappan Palaniappan, Yasmin M Kassim, V B Surya Prasath, Rengarajan Pelapur, Olga V Glinskii, Richard J Maude, Vladislav V Glinsky, Virginia H Huxley, Kannappan Palaniappan, Virginia H Huxley, Yasmin M Kassim, Rengarajan Pelapur, Kannappan Palaniappan, Vladislav V Glinsky, Olga V Glinskii, Richard J Maude, V B Surya Prasath
Automatic segmentation of microvascular structures is a critical step in quantitatively characterizing vessel remodeling and other physiological changes in the dura mater or other tissues. We developed a supervised random forest (RF) classifier for segmenting thin vessel structures using multiscale features based on Hessian, oriented second derivatives, Laplacian of Gaussian and line features. The latter multiscale line detector feature helps in detecting and connecting faint vessel structures that would otherwise be missed...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226488/synchrosqueezing-an-effective-method-for-analyzing-doppler-radar-physiological-signals
#13
Ehsan Yavari, Ashikur Rahman, Jia Xu, Danilo P Mandic, Olga Boric-Lubecke, Ehsan Yavari, Ashikur Rahman, Jia Xu, Danilo P Mandic, Olga Boric-Lubecke, Jia Xu, Olga Boric-Lubecke, Ehsan Yavari, Danilo P Mandic, Ashikur Rahman
Doppler radar can monitor vital sign wirelessly. Respiratory and heart rate have time-varying behavior. Capturing the rate variability provides crucial physiological information. However, the common time-frequency methods fail to detect key information. We investigate Synchrosqueezing method to extract oscillatory components of the signal with time varying spectrum. Simulation and experimental result shows the potential of the proposed method for analyzing signals with complex time-frequency behavior like physiological signals...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226381/recurrent-orbital-inflammation-due-to-fibrous-dysplasia
#14
Katarzna Malec, Jagoda Miszczyk, Pawel Brzewski, Pawel Dobosz, Olga Mielczarek
No abstract text is available yet for this article.
February 2017: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28226327/measurements-of-catheter-venous-and-capillary-cyclosporine-a-blood-are-comparable-and-useful-in-pediatric-hematopoietic-stem-cell-transplant-recipients
#15
Oscar González-Llano, Consuelo Mancías-Guerra, Carmen Magdalena Gamboa-Alonso, Andrés Gómez-De León, José Carlos Jaime-Pérez, César Homero Gutiérrez-Aguirre, Olga Cantú-Rodríguez, Laura Villarreal-Martínez, Ricardo García-Sepulveda, Miguel Angel Herrera-Rojas, David Gómez-Almaguer
No abstract text is available yet for this article.
February 23, 2017: Acta Haematologica
https://www.readbyqxmd.com/read/28224982/corrigendum-siks-control-osteocyte-responses-to-parathyroid-hormone
#16
Marc N Wein, Yanke Liang, Olga Goransson, Thomas B Sundberg, Jinhua Wang, Elizabeth A Williams, Maureen J O'Meara, Nicolas Govea, Belinda Beqo, Shigeki Nishimori, Kenichi Nagano, Daniel J Brooks, Janaina S Martins, Braden Corbin, Anthony Anselmo, Ruslan Sadreyev, Joy Y Wu, Kei Sakamoto, Marc Foretz, Ramnik J Xavier, Roland Baron, Mary L Bouxsein, Thomas J Gardella, Paola Divieti-Pajevic, Nathanael S Gray, Henry M Kronenberg
No abstract text is available yet for this article.
February 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28224953/perceived-learning-needs-of-patients-with-abdominal-aortic-aneurysm
#17
Olga Nilsson, Rebecka Hultgren, Anna Letterstål
BACKGROUND: Patients undergoing surgical treatment of abdominal aortic aneurysm (AAA) should receive adequate information about the disease, treatment options, and self-care. Patients' learning needs should be acknowledged. The aim was to describe the perceived learning needs in patients with AAA. A secondary aim was to explore their experience of methods for patient education. METHODS: Three focus group interviews were conducted with 14 patients treated with open or endovascular repair of AAA...
March 2017: Journal of Vascular Nursing: Official Publication of the Society for Peripheral Vascular Nursing
https://www.readbyqxmd.com/read/28223503/mitochondrial-energy-deficiency-leads-to-hyperproliferation-of-skeletal-muscle-mitochondria-and-enhanced-insulin-sensitivity
#18
Ryan M Morrow, Martin Picard, Olga Derbeneva, Jeremy Leipzig, Meagan J McManus, Gilles Gouspillou, Sébastien Barbat-Artigas, Carlos Dos Santos, Russell T Hepple, Deborah G Murdock, Douglas C Wallace
Diabetes is associated with impaired glucose metabolism in the presence of excess insulin. Glucose and fatty acids provide reducing equivalents to mitochondria to generate energy, and studies have reported mitochondrial dysfunction in type II diabetes patients. If mitochondrial dysfunction can cause diabetes, then we hypothesized that increased mitochondrial metabolism should render animals resistant to diabetes. This was confirmed in mice in which the heart-muscle-brain adenine nucleotide translocator isoform 1 (ANT1) was inactivated...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28223461/identification-of-a-pseudomonas-aeruginosa-pao1-dna-methyltransferase-its-targets-and-physiological-roles
#19
Sebastian Doberenz, Denitsa Eckweiler, Olga Reichert, Vanessa Jensen, Boyke Bunk, Cathrin Spröer, Adrian Kordes, Emanuela Frangipani, Khai Luong, Jonas Korlach, Stephan Heeb, Jörg Overmann, Volkhard Kaever, Susanne Häussler
DNA methylation is widespread among prokaryotes, and most DNA methylation reactions are catalyzed by adenine DNA methyltransferases, which are part of restriction-modification (R-M) systems. R-M systems are known for their role in the defense against foreign DNA; however, DNA methyltransferases also play functional roles in gene regulation. In this study, we used single-molecule real-time (SMRT) sequencing to uncover the genome-wide DNA methylation pattern in the opportunistic pathogen Pseudomonas aeruginosa PAO1...
February 21, 2017: MBio
https://www.readbyqxmd.com/read/28223440/idn2-interacts-with-rpa-and-facilitates-dna-double-strand-break-repair-by-homologous-recombination-in-arabidopsis
#20
Mingming Liu, Zhaoqing Ba, Pedro Costa-Nunes, Wei Wei, Lanxia Li, Fansi Kong, Yan Li, Jijie Chai, Olga Pontes, Yijun Qi
Repair of DNA double-strand breaks (DSBs) is critical for the maintenance of genome integrity. We previously showed that DSB-induced small RNAs (diRNAs) facilitate homologous recombination (HR)-mediated DSB repair in Arabidopsis thaliana. Here we show that INVOLVED IN DE NOVO 2 (IDN2), a double-stranded RNA (dsRNA) binding protein involved in small RNA-directed DNA methylation, is required for DSB repair in Arabidopsis. We find that IDN2 interacts with the heterotrimeric replication protein A (RPA) complex...
February 21, 2017: Plant Cell
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