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https://www.readbyqxmd.com/read/28678795/quantifying-critical-states-of-complex-diseases-using-single-sample-dynamic-network-biomarkers
#1
Xiaoping Liu, Xiao Chang, Rui Liu, Xiangtian Yu, Luonan Chen, Kazuyuki Aihara
Dynamic network biomarkers (DNB) can identify the critical state or tipping point of a disease, thereby predicting rather than diagnosing the disease. However, it is difficult to apply the DNB theory to clinical practice because evaluating DNB at the critical state required the data of multiple samples on each individual, which are generally not available, and thus limit the applicability of DNB. In this study, we developed a novel method, i.e., single-sample DNB (sDNB), to detect early-warning signals or critical states of diseases in individual patients with only a single sample for each patient, thus opening a new way to predict diseases in a personalized way...
July 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28655161/dysfunction-of-pla2g6-and-cyp2c44-associated-network-signals-imminent-carcinogenesis-from-chronic-inflammation-to-hepatocellular-carcinoma
#2
Meiyi Li, Chen Li, Wei-Xin Liu, Conghui Liu, Jingru Cui, Qingrun Li, Hong Ni, Yingcheng Yang, Chaochao Wu, Chunlei Chen, Xing Zhen, Tao Zeng, Mujun Zhao, Lei Chen, Jiarui Wu, Rong Zeng, Luonan Chen
Little is known about how chronic inflammation contributes to the progression of hepatocellular carcinoma (HCC), especially the initiation of cancer. To uncover the critical transition from chronic inflammation to HCC and the molecular mechanisms at a network level, we analyzed the time-series proteomic data of woodchuck hepatitis virus/c-myc mice and age-matched wt-C57BL/6 mice using our dynamical network biomarker (DNB) model. DNB analysis indicated that the 5th month after birth of transgenic mice was the critical period of cancer initiation, just before the critical transition, which is consistent with clinical symptoms...
June 26, 2017: Journal of Molecular Cell Biology
https://www.readbyqxmd.com/read/28639307/anti-d-in-a-mother-hemizygous-for-the-variant-rhd-dnb-gene-associated-with-hemolytic-disease-of-the-fetus-and-newborn
#3
Kelli M Quantock, Genghis H Lopez, Catherine A Hyland, Yew-Wah Liew, Robert L Flower, Frans J Niemann, Arthur Joyce
BACKGROUND: Individuals with the partial D phenotype when exposed to D+ red blood cells (RBCs) carrying the epitopes they lack may develop anti-D specific for the missing epitopes. DNB is the most common partial D in Caucasians and the clinical significance for anti-D in these individuals is unknown. STUDY DESIGN AND METHODS: This article describes the serologic genotyping results and clinical manifestations in two group D+ babies of a mother presenting as group O, D+ with alloanti-D...
August 2017: Transfusion
https://www.readbyqxmd.com/read/28611995/an-update-on-the-disappearing-nail-bed
#4
Ralph Daniel, Babaev Meir, Shemer Avner
BACKGROUND: The nail bed may epithelialize and develop dermatoglyphics after long-standing onycholysis. We have called this phenomenon the disappearing nail bed (DNB). DNB may present as a shortened or narrow nail bed. METHODS: Examination of all 20 nails was performed in each patient enrolled to the study. DNB was defined as the presence of a nail which is at least 20% shorter and/or narrower than the identical nail on the opposite hand or foot. Age, sex, and nail history were recorded...
March 2017: Skin Appendage Disorders
https://www.readbyqxmd.com/read/28386202/detecting-early-warning-signals-for-influenza-a-pandemic-based-on-protein-dynamical-network-biomarkers
#5
Jie Gao, Kang Wang, Tao Ding
The outbreak of influenza A comes from a relatively stable state is a critical phenomenon on epidemic. In this paper, influenza A varying from different states is studied in the method of dynamical network biomarkers (DNB). Through studying DNB of influenza A virus protein, we can detect the warning signals of outbreak for influenza A and obtain a composite index. The composite index varies along with the state of pandemic influenza, which gives a clue showing the turn point of outbreak. The low value (<1) steady state of the composite index means influenza A is normally in the relatively steady stage...
March 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28379488/a-reference-human-genome-dataset-of-the-bgiseq-500-sequencer
#6
Jie Huang, Xinming Liang, Yuankai Xuan, Chunyu Geng, Yuxiang Li, Haorong Lu, Shoufang Qu, Xianglin Mei, Hongbo Chen, Ting Yu, Nan Sun, Junhua Rao, Jiahao Wang, Wenwei Zhang, Ying Chen, Sha Liao, Hui Jiang, Xin Liu, Zhaopeng Yang, Feng Mu, Shangxian Gao
BGISEQ-500 is a new desktop sequencer developed by BGI. Using DNA nanoball and combinational probe anchor synthesis developed from Complete Genomics™ sequencing technologies, it generates short reads at a large scale. Here, we present the first human whole-genome sequencing dataset of BGISEQ-500. The dataset was generated by sequencing the widely used cell line HG001 (NA12878) in two sequencing runs of paired-end 50 bp (PE50) and two sequencing runs of paired-end 100 bp (PE100). We also include examples of the raw images from the sequencer for reference...
May 1, 2017: GigaScience
https://www.readbyqxmd.com/read/28314147/boron-doped-diamond-electrode-preparation-characterization-and-application-for-electrocatalytic-degradation-of-m-dinitrobenzene
#7
Hongmei Bai, Ping He, Jing Pan, Jingchao Chen, Yang Chen, Faqing Dong, Hong Li
Boron-doped diamond (BDD) electrode was successfully prepared via microwave plasma chemical vapor deposition method and it was used in electrocatalytic degradation of m-dinitrobenzene (m-DNB). The electrocatalytic degradation efficiency of m-DNB was evaluated under different experimental parameters including current density, temperature, pH, Na2SO4 concentration and initial m-DNB concentration. Under optimal parameters, degradation efficiency of m-DNB reached up to 82.7% after 150min. The degradation process of m-DNB was fitted well with pseudo first-order kinetics...
July 1, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28299268/role-of-addition-of-dexamethasone-to-lignocaine-2-with-adrenaline-in-dental-nerve-blocks-for-third-molar-surgery-a-prospective-randomized-control-trial
#8
Saroj Prasad Deo
CONTEXT: Dexamethasone has been frequently used in oral surgical procedure and accepted by oral and maxillofacial surgeon community worldwide. However, this is the first clinical trial that used dexamethasone as adjuvant with lignocaine in dental nerve block (DNB). AIMS: The purpose of this double-blind, randomized control trial (RCT) was to compare the effect of dexamethasone with normal saline (NS) in a lignocaine DNB. SETTINGS AND DESIGN: This prospective, double-blind, RCT was carried out after obtaining approval from the Institutional Ethical Committee...
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28293816/triphenylbenzene-sensor-for-selective-detection-of-picric-acid
#9
S Nagendran, Pratap Vishnoi, Ramaswamy Murugavel
A C 3-symmetric triphenylbenzene based photoluminescent compound, 1,3,5-tris(4'-(N-methylamino)phenyl) benzene ([NHMe]3TAPB), has been synthesized by mono-N-methylation of 1,3,5-tris(4'-aminophenyl) benzene (TAPB) and structurally characterized. [NHMe]3TAPB acts as a selective fluorescent sensor for picric acid (PA) with a detection limit as low as 2.25 ppm at a signal to noise ratio of 3. Other related analytes (i.e. TNT, DNT and DNB) show very little effect on the fluorescence intensity of [NHMe]3TAPB. The selectivity is triggered by proton transfer from picric acid to the fluorophore and ground-state complex formation between the protonated fluorophore and picrate anion through hydrogen bonding interactions...
March 14, 2017: Journal of Fluorescence
https://www.readbyqxmd.com/read/28126659/molecular-engineering-of-a-mitochondrial-targeting-two-photon-in-and-near-infrared-out-fluorescent-probe-for-gaseous-signal-molecules-h2s-in-deep-tissue-bioimaging
#10
Liyi Zhou, Danqing Lu, Qianqian Wang, Sihua Liu, Qinlu Lin, Hongyan Sun
Hydrogen sulfide (H2S), one of the biologically important gaseous signal molecules, plays an essential role in diverse normal biochemical functions and pathological processes. Herein, an efficient two-photon in and near-infrared out mitochondria-targeting dye has been designed, synthesized and characterized. It is easily synthesized by the condensation reaction (C˭C) of 4-hydroxybenzaldehyde and 6-(diethylamino)-1,2,3,4-tetrahydroxanthylium (mitochondria-targeting), which possesses large two-photon action absorption cross-section ~160g and high fluorescence quantum yield ~0...
May 15, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28053822/bulbocavernosus-reflex-test-for-diagnosis-of-pudendal-nerve-injury-in-female-patients-with-diabetic-neurogenic-bladder
#11
Xiaoting Niu, Xun Wang, Huanjie Huang, Peiqi Ni, Yuanshao Lin, Bei Shao
The study was designed to investigate the clinical application and significance of the bulbocavernosus reflex (BCR) test for diagnosing diabetic neurogenic bladder (DNB) in female subjects. In this study, 68 female patients with DNB and 40 female normal controls were subjected to a nerve conduction study (NCS) of all four limbs and the BCR test. The data were analyzed and compared, and the corresponding diagnostic sensitivities were discussed. Mean BCR latency for female DNB patients was significantly prolonged, compared to that of the control group, suggesting pudendal nerve injuries in female DNB patients...
December 2016: Aging and Disease
https://www.readbyqxmd.com/read/28027290/single-cell-based-analysis-highlights-a-surge-in-cell-to-cell-molecular-variability-preceding-irreversible-commitment-in-a-differentiation-process
#12
Angélique Richard, Loïs Boullu, Ulysse Herbach, Arnaud Bonnafoux, Valérie Morin, Elodie Vallin, Anissa Guillemin, Nan Papili Gao, Rudiyanto Gunawan, Jérémie Cosette, Ophélie Arnaud, Jean-Jacques Kupiec, Thibault Espinasse, Sandrine Gonin-Giraud, Olivier Gandrillon
In some recent studies, a view emerged that stochastic dynamics governing the switching of cells from one differentiation state to another could be characterized by a peak in gene expression variability at the point of fate commitment. We have tested this hypothesis at the single-cell level by analyzing primary chicken erythroid progenitors through their differentiation process and measuring the expression of selected genes at six sequential time-points after induction of differentiation. In contrast to population-based expression data, single-cell gene expression data revealed a high cell-to-cell variability, which was masked by averaging...
December 2016: PLoS Biology
https://www.readbyqxmd.com/read/27994529/anti-d-antibodies-in-pregnant-d-variant-antigen-carriers-initially-typed-as-rhd
#13
Jelena Lukacevic Krstic, Slavica Dajak, Jasna Bingulac-Popovic, Vesna Dogic, Jela Mratinovic-Mikulandra
BACKGROUND: To evaluate the incidence, the consequences, and the prevention strategy of anti-D alloimmunizations of D variant carriers in the obstetric population of Split-Dalmatia County, Croatia. METHODS: RhD immunization events were evaluated retrospectively for the period between 1993 and 2012. Women were tested for RhD antigen and irregular antibodies. Those with anti-D antibody who were not serologically D- were genotyped for RHD. They were evaluated for their obstetric and transfusion history and their titer of anti-D...
November 2016: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/27987439/barriers-to-management-of-tree-diseases-framing-perspectives-of-pinewood-managers-around-dothistroma-needle-blight
#14
Mariella Marzano, Lauren Fuller, Christopher P Quine
Forest Managers in the UK and elsewhere are facing new threats such as climate change and novel pests and diseases. Strategies seek to coordinate and steer appropriate responses through raising awareness and encouraging action but little is known about how individual managers respond to disease threats. We studied how managers have responded to the threat of Dothistroma Needle Blight (DNB), a disease which can affect growth and cause mortality of many pine species, and the key frames influencing their responses...
March 1, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/27815138/pharmaceutical-salts-of-ethionamide-with-gras-counter-ion-donors-to-enhance-the-solubility
#15
Sunil Kumar Nechipadappu, Darshak R Trivedi
Pharmaceutical salts of BCS class II second line anti-tuberculosis drug ethionamide (ETH) with various counter ions namely, 2-chloro-4-nitrobenzoic acid (CNB), 2,6-dihydroxybenzoic acid (2,6HBA), 2,3-dihydroxybenzoic acid (2,3HBA) and 2,4-dinitrobenzoic acid (DNB) were synthesized by crystal engineering approach. All the synthesized salts were characterized by various spectroscopic (NMR, FT-IR,), thermal (DSC & TGA) and PXRD techniques. The crystal structure of the synthesized salts was determined by single-crystal X-ray diffraction techniques...
January 1, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27730795/do-legal-issues-deserve-space-in-specialty-medical-journals
#16
Neeraj Nagpal
Physicians and Internists in India have tended to brush under the carpet legal issues affecting their profession. Of concern to all Physicians is the judgment in a recent case where the NCDRC has stated that if MD Medicine Physicians write Physician & Cardiologist on their letterhead it is Quackery. What is MD Medicine degree holder in India qualified and trained to treat ? These are issues which need debate and that can only be initiated once we recognize that there is a problem. Either an MD Medicine is a cardiologist or he is not...
February 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27705834/1-3-dinitrobenzene-reductive-degradation-by-alkaline-ascorbic-acid-reaction-mechanisms-degradation-pathways-and-reagent-optimization
#17
Chiya Ciou, Chenju Liang
Nitro-aromatic compounds (NACs) such as 1,3-dinitrobenzene (1,3-DNB) contain the nitrogroup (-NO2), in which the N with a +III oxidation state accepts electrons. Water soluble ascorbic acid (AsA) at elevated pH produces electron transfer and governs the electron-donating pathway. The influence of the NaOH/AsA molar ratio on the degradation of 1,3-DNB was investigated. Using 0.21-2 M NaOH and 20-100 mM AsA, nearly complete 1,3-DNB removals (90-100%) were achieved within 0.5 h. On the basis of intermediates identified using GC/MS, the reduction pathways of 1,3-DNB can be categorized into step-by-step electron transfer, and condensation routes...
January 2017: Chemosphere
https://www.readbyqxmd.com/read/27606006/has-scots-pine-pinus-sylvestris-co-evolved-with-dothistroma-septosporum-in-scotland-evidence-for-spatial-heterogeneity-in-the-susceptibility-of-native-provenances
#18
Annika Perry, Anna V Brown, Stephen Cavers, Joan E Cottrell, Richard A Ennos
Spatial heterogeneity in pathogen pressure leads to genetic variation in, and evolution of, disease-related traits among host populations. In contrast, hosts are expected to be highly susceptible to exotic pathogens as there has been no evolution of defence responses. Host response to pathogens can therefore be an indicator of a novel or endemic pathosystem. Currently, the most significant threat to native British Scots pine (Pinus sylvestris) forests is Dothistroma needle blight (DNB) caused by the foliar pathogen Dothistroma septosporum which is presumed to be exotic...
September 2016: Evolutionary Applications
https://www.readbyqxmd.com/read/27587900/substantial-heritable-variation-for-susceptibility-to-dothistroma-septosporum-within-populations-of-native-british-scots-pine-pinus-sylvestris
#19
A Perry, W Wachowiak, A V Brown, R A Ennos, J E Cottrell, S Cavers
The threat from pests and pathogens to native and commercially planted forest trees is unprecedented and expected to increase under climate change. The degree to which forests respond to threats from pathogens depends on their adaptive capacity, which is determined largely by genetically controlled variation in susceptibility of the individual trees within them and the heritability and evolvability of this trait. The most significant current threat to the economically and ecologically important species Scots pine (Pinus sylvestris) is dothistroma needle blight (DNB), caused by the foliar pathogen Dothistroma septosporum...
August 2016: Plant Pathology
https://www.readbyqxmd.com/read/27500422/two-polymorphic-forms-of-a-six-coordinate-mononuclear-cobalt-ii-complex-with-easy-plane-anisotropy-structural-features-theoretical-calculations-and-field-induced-slow-relaxation-of-the-magnetization
#20
Subhadip Roy, Itziar Oyarzabal, Julia Vallejo, Joan Cano, Enrique Colacio, Antonio Bauza, Antonio Frontera, Alexander M Kirillov, Michael G B Drew, Subrata Das
A mononuclear cobalt(II) complex [Co(3,5-dnb)2(py)2(H2O)2] {3,5-Hdnb = 3,5-dinitrobenzoic acid; py = pyridine} was isolated in two polymorphs, in space groups C2/c (1) and P21/c (2). Single-crystal X-ray diffraction analyses reveal that 1 and 2 are not isostructural in spite of having equal formulas and ligand connectivity. In both structures, the Co(II) centers adopt octahedral {CoN2O4} geometries filled by pairs of mutually trans terminal 3,5-dnb, py, and water ligands. However, the structures of 1 and 2 disclose distinct packing patterns driven by strong intermolecular O-H···O hydrogen bonds, leading to their 0D→2D (1) or 0D→1D (2) extension...
September 6, 2016: Inorganic Chemistry
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