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https://www.readbyqxmd.com/read/28436872/hash-bit-selection-for-nearest-neighbor-search
#1
Xianglong Liu, Junfeng He, Shih-Fu Chang
To overcome the barrier of storage and computation when dealing with gigantic-scale data sets, compact hashing has been studied extensively to approximate nearest neighbor search. Despite the recent advances, critical design issues remain open in how to select the right features, hashing algorithms, and/or parameter settings. In this paper, we address these by posing an optimal hash bit selection problem, in which an optimal subset of hash bits are selected from a pool of candidate bits generated by different features, algorithms, or parameters...
April 19, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28430795/igm-antibodies-to-oxidized-phosphatidylserine-as-protection-markers-in-cardiovascular-disease-among-60-year-olds
#2
Johan Frostegård, Jun Su, Sudhir Sing, Xiang Hua, Max Vikström, Karin Leander, Bruna Gigante, Ulf de Faire, Anna G Frostegård
OBJECTIVE: Phosphatidylserine is exposed on apoptotic cells and is prone to oxidation (OxPS). Here we analyze the association of IgM antibodies against OxPS (anti-OxPS) with the risk of cardiovascular disease (CVD). METHODS: Among sixty-year olds from Stockholm County in Sweden, previously screened for cardiovascular risk factors (2039 men, 2193 women), there were 210 incident CVD-cases identified during a 5-year follow-up. Using a nested case-control design, 622 age- and sex-matched controls were selected...
2017: PloS One
https://www.readbyqxmd.com/read/28429419/semi-synthesis-of-murine-prion-protein-by-native-chemical-ligation-and-chemical-activation-for-preparation-of-polypeptide-%C3%AE-thioester
#3
Lei Shi, Huai Chen, Si-Yu Zhang, Ting-Ting Chu, Yu-Fen Zhao, Yong-Xiang Chen, Yan-Mei Li
Prions are suspected as pathogen of the fatal transmissible spongiform encephalopathies. Strategies to access homogenous prion protein (PrP) are required to fully comprehend the molecular mechanism of prion diseases. However, the polypeptide fragments from PrP show a high tendency to form aggregates, which is a gigantic obstacle of protein synthesis and purification. In this study, murine prion sequence 90 to 230 that is the core three-dimensional structure domain was constructed from three segments murine PrP (mPrP)(90-177), mPrP(178-212), and mPrP(213-230) by combining protein expression, chemical synthesis and chemical ligation...
April 21, 2017: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/28427099/role-of-phosphodiesterases-on-the-function-of-aryl-hydrocarbon-receptor-interacting-protein-aip-in-the-pituitary-gland-and-on-the-evaluation-of-aip-gene-variants
#4
Laura C Hernández-Ramírez, Giampaolo Trivellin, Constantine A Stratakis
Familial isolated pituitary adenoma (FIPA) is caused in about 20% of cases by loss-of-function germline mutations in the AIP gene. Patients harboring AIP mutations usually present with somatotropinomas resulting either in gigantism or young-onset acromegaly. AIP encodes for a co-chaperone protein endowed with tumor suppressor properties in somatotroph cells. Among other mechanisms proposed to explain this function, a regulatory effect over the 3',5'-cyclic adenosine monophosphate (cAMP) signaling pathway seems to play a prominent role...
April 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28425486/lamin-b1-is-required-for-mature-neuron-specific-gene-expression-during-olfactory-sensory-neuron-differentiation
#5
Crystal M Gigante, Michele Dibattista, Frederick N Dong, Xiaobin Zheng, Sibiao Yue, Stephen G Young, Johannes Reisert, Yixian Zheng, Haiqing Zhao
B-type lamins are major constituents of the nuclear lamina in all metazoan cells, yet have specific roles in the development of certain cell types. Although they are speculated to regulate gene expression in developmental contexts, a direct link between B-type lamins and developmental gene expression in an in vivo system is currently lacking. Here, we identify lamin B1 as a key regulator of gene expression required for the formation of functional olfactory sensory neurons. By using targeted knockout in olfactory epithelial stem cells in adult mice, we show that lamin B1 deficient neurons exhibit attenuated response to odour stimulation...
April 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28423136/violence-against-women-esp%C3%A3-rito-santo-brazil
#6
Franciele Marabotti Costa Leite, Maria Helena Costa Amorim, Fernando C Wehrmeister, Denise Petrucci Gigante
OBJECTIVE: To estimate the prevalence and factors associated with psychological, physical and sexual violence in women victims of intimate partner violence assisted in the primary care services. METHODS: This is a cross-sectional study, conducted in 26 health units in Vitória, State of Espírito Santo, from March to September 2014. We interviewed 991 women aged 20-59 years. To classify the psychological, physical and sexual violence, the World Health Organization instrument on violence against women was used and a questionnaire to investigate the sociodemographic, behavioral characteristics, and the women's family and life history was developed...
April 10, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28421260/-gigantic-exophytically-growing-tumor-of-the-occipital-scalp-a-complex-diagnostic-and-reconstructive-challenge
#7
T Jaehn, J Kaiser, M Billner, A Kaiser, B Reichert
No abstract text is available yet for this article.
April 18, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28420845/suffocation-due-to-thoracic-deformity-caused-by-acromegaly
#8
Toshihiko Yoshizawa, Masayuki Iwazaki, Kei Jitsuiki, Kouhei Ishikawa, Hiromichi Ohsaka, Youichi Yanagawa
A 61-year-old man with gigantism and acromegaly choked and fell into a coma. Immediate tracheal intubation resulted in a return of his consciousness. Enhanced computed tomography indicated that the trachea and left main bronchus were compressed by the thoracic spine and sternum. He required tracheotomy and positive end-expiratory pressure to maintain his pulmonary function. This is the first case of suffocation due to a thoracic deformity associated with acromegaly. Physicians should focus on clearing the tracheal airway using computed tomography to elucidate the anatomical relationship between the trachea and surrounding structures in acromegalic patients suffering from dyspnea...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28418894/urinary-rkip-p-rkip-is-a-potential-diagnostic-and-prognostic-marker-of-clear-cell-renal-cell-carcinoma
#9
Massimo Papale, Grazia Vocino, Giuseppe Lucarelli, Monica Rutigliano, Margherita Gigante, Maria Teresa Rocchetti, Francesco Pesce, Francesca Sanguedolce, Pantaleo Bufo, Michele Battaglia, Giovanni Stallone, Giuseppe Grandaliano, Giuseppe Carrieri, Loreto Gesualdo, Elena Ranieri
Clear cell Renal Cell Carcinoma (ccRCC) causes over 13,000 deaths each year, and about 20,000 new cases/year in Europe. In most cases, the causes are unknown and, most importantly, there are no reliable biomarkers for the diagnosis and prognosis of this disease. The search for sensitive biomarkers for early diagnosis and prognosis of clear cell Renal Cell Carcinoma (ccRCC) is currently a fast growing field. We carried out proteomics analysis of 93 urinary samples of healthy subjects (HS) and patients affected by ccRCC, prostate cancer (PCa) and chronic kidney disease (CKD), that was able to successfully distinguish each group...
March 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415312/nonlinear-effects-in-the-bounded-dust-vortex-flow-in-plasma
#10
Modhuchandra Laishram, Devendra Sharma, Prabal K Chattopdhyay, Predhiman K Kaw
The vortex structures in a cloud of electrically suspended dust in a streaming plasma constitutes a driven system with a rich nonlinear flow regime. Experimentally recovered toroidal formations of this system have motivated study of its volumetrically driven-dissipative vortex flow dynamics using two-dimensional hydrodynamics in the incompressible Navier-Stokes regime. Nonlinear equilibrium solutions are obtained for this system where a nonuniformly driven two-dimensional dust flow exhibits distinct regions of localized accelerations and strong friction caused by stationary fluids at the confining boundaries resisting the dust flow...
March 2017: Physical Review. E
https://www.readbyqxmd.com/read/28413619/picopore-a-tool-for-reducing-the-storage-size-of-oxford-nanopore-technologies-datasets-without-loss-of-functionality
#11
Scott Gigante
Oxford Nanopore Technologies' (ONT) MinION and PromethION long-read sequencing technologies are emerging as genuine alternatives to established Next-Generation Sequencing technologies. A combination of the highly redundant file format and a rapid increase in data generation have created a significant problem both for immediate data storage on MinION-capable laptops, and for long-term storage on lab data servers.  We developed Picopore, a software suite offering three methods of compression. Picopore's lossless and deep lossless methods provide a 25% and 44% average reduction in size, respectively, without removing any data from the files...
2017: F1000Research
https://www.readbyqxmd.com/read/28406095/a-giant-phyllodes-tumor-of-the-breast-causing-severe-disfigurement-a-case-report
#12
Gianluca Franceschini, Danilo Di Giorgio, Sabatino D'Archi, Alba Di Leone, Alejandro Martin Sanchez, Riccardo Masetti
Phyllodes tumours (PTs) are rare fibroepithelial neoplasms representing about 0,2% to 2% of all breast tumors with an incidence of about 2.1 per million. The classification proposed by the World Health Organization for PTs into benign, borderline, and malignant is based on a combination of several histologic features. High-grade malignant phyllodes tumors may spread by hematogenous route. While smaller and moderate size malignant phyllodes may typically be seen, gigantic ones with larger than 10 cm in diameter are very rare...
January 20, 2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28391520/neonatal-repair-of-left-atrial-diverticulum-with-gigantic-thrombus-without-cardiopulmonary-bypass
#13
Akihiko Higashida, Takaya Hoashi, Heima Sakaguchi, Hajime Ichikawa
A 5-day-old neonate with coarctation of the aorta, hypoplastic aortic arch, large apical muscular ventricular septal defect, and patent ductus arteriosus developed pulmonary over-circulation and systemic hypoperfusion underwent bilateral pulmonary artery banding through median sternotomy as a part of hybrid stage I palliation. At operation, left atrial diverticulum with gigantic thrombus formation at the base of the left atrial appendage was incidentally detected by intraoperative direct echocardiography, and therefore, was successfully resected with the whole thrombus inside it without use of cardiopulmonary bypass...
April 8, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28373539/low-symmetry-sphere-packings-of-simple-surfactant-micelles-induced-by-ionic-sphericity
#14
Sung A Kim, Kyeong-Jun Jeong, Arun Yethiraj, Mahesh K Mahanthappa
Supramolecular self-assembly enables access to designer soft materials that typically exhibit high-symmetry packing arrangements, which optimize the interactions between their mesoscopic constituents over multiple length scales. We report the discovery of an ionic small molecule surfactant that undergoes water-induced self-assembly into spherical micelles, which pack into a previously unknown, low-symmetry lyotropic liquid crystalline Frank-Kasper σ phase. Small-angle X-ray scattering studies reveal that this complex phase is characterized by a gigantic tetragonal unit cell, in which 30 sub-2-nm quasispherical micelles of five discrete sizes are arranged into a tetrahedral close packing, with exceptional translational order over length scales exceeding 100 nm...
April 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28369819/feeding-biomechanics-of-late-triassic-metoposaurids-amphibia-temnospondyli-a-3d-finite-element-analysis-approach
#15
Josep Fortuny, Jordi Marcé-Nogué, Dorota Konietzko-Meier
The Late Triassic freshwater ecosystems were occupied by different tetrapod groups including large-sized anamniotes, such as metoposaurids. Most members of this group of temnospondyls acquired gigantic sizes (up to 5 m long) with a nearly worldwide distribution. The paleoecology of metoposaurids is controversial; they have been historically considered passive, bottom-dwelling animals, waiting for prey on the bottom of rivers and lakes, or they have been suggested to be active mid-water feeders. The present study aims to expand upon the paleoecological interpretations of these animals using 3D finite element analyses (FEA)...
March 29, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28369345/obesity-induced-hypoadiponectinaemia-the-opposite-influences-of-central-and-peripheral-fat-compartments
#16
M C Borges, I O Oliveira, D F Freitas, B L Horta, K K Ong, D P Gigante, A J D Barros
Background and Aims: The substantial reduction in adiponectin concentration among obese individuals seems to depend on fat distribution and is a marker of metabolic and adipose tissue dysfunction. We aimed to: (i) address whether abdominal fat from different compartments (visceral, deep subcutaneous abdominal and superficial subcutaneous abdominal) and gluteofemoral fat are independently associated with blood adiponectin concentration; and (ii) investigate whether abdominal (proxied by waist circumference) and gluteofemoral fat (proxied by hip circumference) accumulation causally determine blood adiponectin concentration...
March 27, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/28369106/density-based-clustering-a-landscape-view-of-multi-channel-neural-data-for-inference-and-dynamic-complexity-analysis
#17
Gabriel Baglietto, Guido Gigante, Paolo Del Giudice
Two, partially interwoven, hot topics in the analysis and statistical modeling of neural data, are the development of efficient and informative representations of the time series derived from multiple neural recordings, and the extraction of information about the connectivity structure of the underlying neural network from the recorded neural activities. In the present paper we show that state-space clustering can provide an easy and effective option for reducing the dimensionality of multiple neural time series, that it can improve inference of synaptic couplings from neural activities, and that it can also allow the construction of a compact representation of the multi-dimensional dynamics, that easily lends itself to complexity measures...
2017: PloS One
https://www.readbyqxmd.com/read/28359744/activation-of-the-kynurenine-pathway-predicts-poor-outcome-in-patients-with-clear-cell-renal-cell-carcinoma
#18
Giuseppe Lucarelli, Monica Rutigliano, Matteo Ferro, Andrea Giglio, Angelica Intini, Francesco Triggiano, Silvano Palazzo, Margherita Gigante, Giuseppe Castellano, Elena Ranieri, Carlo Buonerba, Daniela Terracciano, Francesca Sanguedolce, Anna Napoli, Eugenio Maiorano, Franco Morelli, Pasquale Ditonno, Michele Battaglia
OBJECTIVE: To investigate the expression of the kynurenine (KYN) pathway components and the prognostic role of the KYN-to-tryptophan ratio (KTR) in a cohort of patients with clear cell renal cell carcinoma (ccRCC). MATERIALS AND METHODS: The expression of KYN pathway components was investigated by tissue microarray-based immunohistochemistry, indirect immunofluorescence, and confocal microscopy analysis in 100 ccRCC cases and 30 normal renal samples. The role of this pathway in sustaining cancer cell proliferation, migration, and chemoresistance was evaluated...
March 27, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28340199/intrarenal-arterial-stiffness-is-increased-in-systemic-sclerosis-patients-with-anti-ribonucleic-acid-polymerase-iii-antibodies
#19
Edoardo Rosato, Luca Navarini, Antonietta Gigante, Rosario Cianci, Domenico Margiotta, Biagio Barbano, Antonella Afeltra
No abstract text is available yet for this article.
March 15, 2017: Rheumatology
https://www.readbyqxmd.com/read/28332122/cognitive-impairments-and-predominant-polarity-in-bipolar-disorder-a-cross-sectional-study
#20
Gabriel Okawa Belizario, Alexandre Duarte Gigante, Cristiana Castanho de Almeida Rocca, Beny Lafer
BACKGROUND: Bipolar disorder (BD) patients exhibit cognitive impairments during euthymic states. Studies suggest that manic episodes may be correlated to cognitive impairments. The present study investigated the relationship between predominant polarity and the cognitive deficits frequently detected in bipolar patients. We hypothesize that mania predominant polarity (MPP) patients should exhibit greater cognitive impairments in comparison to depressive (DPP) and indefinite predominant polarity (IPP) patients and healthy control (HC) individuals...
December 2017: International Journal of Bipolar Disorders
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