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https://www.readbyqxmd.com/read/28231673/-changes-of-resistant-phenotype-and-crispr-cas-system-of-four-shigella-strains-passaged-for-90-times-without-antibiotics
#1
B Zhang, L J Hong, G C Duan, W J Liang, H Y Yang, Y L Xi
Objective: To explore the stability of resistant phenotypes and changes of clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated (Cas) gene system on four Shigella strains in the absence of antibiotics. Methods: Four clinical isolated Shigella strains that resistant to different antibiotics were consecutive passaged for 90 times without antibiotics. Agar dilution method was used to determine the minimum inhibitory concentration of Shigella strains. After sequence analysis with PCR, CRISPR Finder and Clustal X 2...
February 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28231666/-an-outbreak-of-paratyphoid-fever-in-a-county-of-yunnan-province-2010-2011
#2
S K Wang, Z G Wang, X H Zhang, B Yang, Q Wu, B Kan, Y H Zhou, R S Yang, M Y Yan
Objective: To identify the source and to comment on control program regarding an outbreak of paratyphoid A fever in a county, through field studies. Methods: Descriptive epidemiological methods were adopted to describe the epidemiological characteristics of the outbreak, which occurred in Yuanjiang county, Yunan province between 2010-2011, China. Case-control study with environmental investigation was performed to identify related risk factors and pathogens while isolation and susceptibility on the suspected pathogens were conducted...
February 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28230705/determinant-variables-enteric-pathogen-burden-gut-function-and-immune-related-inflammatory-biomarkers-associated-with-childhood-malnutrition-a-prospective-case-control-study-in-northeastern-brazil
#3
Aldo Am Lima, Álvaro M Leite, Alessandra Di Moura, Noélia L Lima, Alberto M Soares, Cláudia B Abreu, José Quirino Filho, Rosa Ms Mota, Ila Fn Lima, Alexandre Havt, Pedro Hqs Medeiros, Mara Mg Prata, Marjorie M Guedes, Paloma A Cavalcante, Herlice N Veras, Ana Ks Santos, Sean R Moore, Relana C Pinkerton, Eric R Houpt, Richard L Guerrant
Malnutrition results in serious consequences for growth and cognitive development in children. We studied select child and maternal biological factors, socio-economic factors, enteric pathogenic burden, and gut function biomarkers in 402 children 6-24 months of age in North-eastern Brazil. In this prospective case-control study, not being fed colostrum (odds ratio [OR] = 3.29, 95% confidence interval [CI] 1.73-6.26), maternal age ≥18 years (OR = 1.88, 95% CI 1.10-3.22), and no electrical fan (OR = 2.46, 95% CI 1...
February 22, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28230399/not-all-probabilities-are-equivalent-evidence-from-orientation-versus-spatial-probability-learning
#4
Syaheed B Jabar, Britt Anderson
Frequently targets are detected faster, probable locations searched earlier, and likely orientations estimated more precisely. Are these all consequences of a single, domain-general "attentional" effect? To examine this issue, participants were shown brief instances of spatial gratings, and were tasked to draw their location and orientation. Unknown to participants, either the location or orientation probability of these gratings were manipulated. While orientation probability affected the precision of orientation reports, spatial probability did not...
February 23, 2017: Journal of Experimental Psychology. Human Perception and Performance
https://www.readbyqxmd.com/read/28229556/identification-of-clusters-of-foot-pain-location-in-a-community-sample
#5
Tiffany K Gill, Hylton B Menz, Karl B Landorf, John B Arnold, Anne W Taylor, Catherine L Hill
OBJECTIVE: To identify foot pain clusters according to pain location in a community based sample of the general population. METHODS: This study analysed data from the North West Adelaide Health Study. Data were obtained between 2004-2006, using Computer Assisted Telephone Interviewing, clinical assessment and self-completed questionnaire. The location of foot pain was assessed using a diagram during the clinical assessment. Hierarchical cluster analysis was undertaken to identify foot pain location clusters, which were then compared in relation to demographics, comorbidities and podiatry utilisation...
February 23, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28227119/clinical-viability-of-carotid-plaque-strain-estimation-using-b-mode-ultrasound-image-sequences
#6
Amir A Khan, Joseph C Hecker, Brajesh K Lal, Siddhartha Sikdar, Amir A Khan, Joseph C Hecker, Brajesh K Lal, Siddhartha Sikdar, Siddhartha Sikdar, Brajesh K Lal, Amir A Khan, Joseph C Hecker
It is estimated that approximately 30% of ischemic strokes are caused by rupture of plaque in the carotid artery. Development of techniques focusing on identifying plaques that are vulnerable to rupture is thus indispensable for stroke prevention. Recent studies have demonstrated that motion analysis of plaques from B-mode and RF ultrasound (US) image sequences can be used to estimate plaque strain. However, viability of these methods in a clinical setting, with variable acquisition protocols, has not been demonstrated yet...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226760/a-new-approach-of-oral-cancer-detection-using-bilateral-texture-features-in-digital-infrared-thermal-images
#7
M Chakraborty, S Mukhopadhyay, A Dasgupta, S Patsa, N Anjum, J G Ray, M Chakraborty, S Mukhopadhyay, A Dasgupta, S Patsa, N Anjum, J G Ray, S Patsa, A Dasgupta, N Anjum, M Chakraborty, S Mukhopadhyay, J G Ray
Oral cancer is one of the most prevalent form of cancer and its severity is aggrandized specially among the socio-economically backward population in developing countries. A major fraction of patient population is unable to avail diagnosis for oral cancer due to scarcity of state-of-the-art infrastructure and experienced oral and maxillofacial pathologist. Contemporary gold standard of oral cancer confirmation relies on biopsy report. But biopsy is invasive and thus patients are usually reluctant to undergo this test...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226739/automated-segmentation-of-intra-retinal-cysts-from-optical-coherence-tomography-scans-using-marker-controlled-watershed-transform
#8
G N Girish, Abhishek R Kothari, Jeny Rajan, G N Girish, Abhishek R Kothari, Jeny Rajan, Jeny Rajan, G N Girish, Abhishek R Kothari
Optical Coherence Tomography (OCT) has emerged as a major diagnostic modality for retinal imaging. Although OCT generates gross volumetric data, manual analysis of the images for locating or quantifying retinal cysts is a time consuming process. Recently semi- and fully-automatic methods for locating and segmenting retinal cysts have been proposed in the literature. Our paper proposes a fully automatic method for intra-retinal cyst segmentation using marker controlled watershed transform on B-scan images obtained on OCT scanning...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226070/-does-geographic-context-matter-in-diabetes-related-mortality-spatial-and-time-trends-in-argentina-1990-2012
#9
Carlos M Leveau, M Jimena Marro, Valeria Alonso, Alicia E B Lawrynowicz
The aim of this study was to identify spatial-temporal clusters of high and low diabetes-related mortality from 1990 to 2012 in Argentina. This was a spatial-temporal retrospective ecological study in the population older than 34 years living in Argentina, according to sex, from 1990 to 2012. The spatial units of analysis consisted of the country's departments (subdivisions of the provinces) plus the Autonomous City of Buenos Aires. Spatial-temporal exploration technique was used to detect clusters with high and low mortality...
February 13, 2017: Cadernos de Saúde Pública
https://www.readbyqxmd.com/read/28225601/rational-optimization-of-diphenyl-ether-binding-kinetics-to-the-enoyl-acp-reductase-fabi1-from-burkholderia-pseudomallei
#10
Carla Maya Neckles, Sandra Eltschkner, Jason Ellsworth Cummings, Maria Hirschbeck, Fereidoon Daryaee, Gopal R Bommineni, Zhuo Zhang, Lauren A Spagnuolo, Weixuan Yu, Shabnam Davoodi, Richard A Slayden, Caroline Kisker, Peter J Tonge
There is growing awareness of the link between drug-target residence time and in vivo drug activity, and there are increasing efforts to determine the molecular factors that control the lifetime of a drug-target complex. Rational alterations in drug-target residence time require knowledge of both the ground and transition states on the inhibition reaction coordinate, and we have determined the structure-kinetic relationship for 22 ethyl or hexyl substituted diphenyl ethers that are slow-binding inhibitors of bpFabI1, the enoyl-ACP reductase FabI1 from Burkholderia pseudomallei...
February 22, 2017: Biochemistry
https://www.readbyqxmd.com/read/28225268/structure-and-characterization-of-a-zero-dimensional-alkali-tin-dihalides-compound-cs3sn3f2cl7-with-the-sn2f2cl4-2-clusters
#11
Pifu Gong, Siyang Luo, Ke Xiao, Qian Huang, Yi Yang, Hongwei Huang, Yicheng Wu, Chuangtian Chen, Zheshuai Lin
A new perovskite stoichiometric alkali tin dihalides compound, Cs3Sn3F2Cl7, is synthesized by a hydrothermal method. This compound belongs to the monoclinic space group of P21/c with cell parameters of a = 9.5645(4) Å, b = 14.2057(7) Å, c = 13.5828(6) Å, and β = 93.2450(10)°. Unlike the common perovskites in which octahedra are interconnected to be a three-dimensional network, Cs3Sn3F2Cl7 possesses a zero-dimensional structure consisting of Cs(+) cations, isolated [SnCl3](-) trigonal pyramids, and dimer structural units [Sn2F2Cl4](2-); the latter microscopic unit is found for the first time...
February 22, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28223732/effects-of-sex-and-generation-on-hepatitis-b-viral-load-in-families-with-hepatocellular-carcinoma
#12
Ai-Ru Hsieh, Cathy Sj Fann, Chau-Ting Yeh, Hung-Chun Lin, Shy-Yi Wan, Yi-Cheng Chen, Chia-Lin Hsu, Jennifer Tai, Shi-Ming Lin, Dar-In Tai
AIM: To explore factors associated with persistent hepatitis B virus (HBV) infection in a cohort of hepatocellular carcinoma (HCC)-affected families and then investigate factors that correlate with individual viral load among hepatitis B surface antigen (HBsAg)-positive relatives. METHODS: We evaluated non-genetic factors associated with HBV replication in relatives of patients with HCC. Relatives of 355 HCC cases were interviewed using a structured questionnaire...
February 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28223252/the-origin-and-evolution-of-basigin-bsg-gene-a-comparative-genomic-and-phylogenetic-analysis
#13
Xinyan Zhu, Shenglan Wang, Mingjie Shao, Jie Yan, Fei Liu
Basigin (BSG), also known as extracellular matrix metalloproteinase inducer (EMMPRIN) or cluster of differentiation 147 (CD147), plays various fundamental roles in the intercellular recognition involved in immunologic phenomena, differentiation, and development. In this study, we aimed to compare the similarities and differences of BSG among organisms and explore possible evolutionary relationships based on the comparison result. We used the extensive BLAST tool to search the metazoan genomes, N-glycosylation sites, the transmembrane region and other functional sites...
February 18, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28223125/different-doses-of-strontium-ranelate-and-mechanical-vibration-modulate-distinct-responses-in-the-articular-cartilage-of-ovariectomized-rats
#14
A G H Mierzwa, J F Campos, M F Jesus, H B Nader, M Lazaretti-Castro, R D Reginato
OBJECTIVE: To investigate the effects of different strontium ranelate (SrR) doses alone or in combination with low-intensity and high-frequency mechanical vibration (MV) on articular cartilage in ovariectomized rats. DESIGN: Fifty 6-month-old female Wistar rats underwent ovariectomy and after three months were divided into: control group (Control); SrR 300mg/kg/day (SrR300); SrR 625mg/kg/day (SrR625); mechanical vibration (MV); SrR 625mg/kg/day plus MV (SrR625+MV)...
February 18, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28222999/effect-of-stepwise-perinatal-immunization-education-a-cluster-randomized-controlled-trial
#15
Aya Saitoh, Akihiko Saitoh, Isamu Sato, Tomohiro Shinozaki, Hajime Kamiya, Satoko Nagata
BACKGROUND: Perinatal immunization education is important for improving the immunization outcomes of infants; however, the content of educational materials used at each perinatal period has not been carefully evaluated. We hypothesized that stepwise education offered at different perinatal periods would improve infant immunization status and enhance maternal immunization knowledge. METHODS: In this cluster-randomized controlled trial, pregnant women were recruited from nine obstetric sites in Niigata, Japan...
February 17, 2017: Vaccine
https://www.readbyqxmd.com/read/28222757/spatiotemporal-dynamics-of-hiv-1-transmission-in-france-1999-2014-and-impact-of-targeted-prevention-strategies
#16
Antoine Chaillon, Asma Essat, Pierre Frange, Davey M Smith, Constance Delaugerre, Francis Barin, Jade Ghosn, Gilles Pialoux, Olivier Robineau, Christine Rouzioux, Cécile Goujard, Laurence Meyer, Marie-Laure Chaix
BACKGROUND: Characterizing HIV-1 transmission networks can be important in understanding the evolutionary patterns and geospatial spread of the epidemic. We reconstructed the broad molecular epidemiology of HIV from individuals with primary HIV-1 infection (PHI) enrolled in France in the ANRS PRIMO C06 cohort over 15 years. RESULTS: Sociodemographic, geographic, clinical, biological and pol sequence data from 1356 patients were collected between 1999 and 2014. Network analysis was performed to infer genetic relationships, i...
February 21, 2017: Retrovirology
https://www.readbyqxmd.com/read/28222684/characterizing-a-region-on-bta11-affecting-%C3%AE-lactoglobulin-content-of-milk-using-high-density-genotyping-and-haplotype-grouping
#17
Nicolas Bedere, Henk Bovenhuis
BACKGROUND: Milk β-lactoglobulin (β-LG) content is of interest as it is associated with nutritional and manufacturing properties. It is known that milk β-LG content is strongly affected by genetic factors. In cattle, most of the genetic differences are associated with a chromosomal region on BTA11, which contains the β-LG gene. The aim of this study was to characterize this region using 777 k SNP data (BovineHDbeadChip) and perform a haplotype-based association study. A statistical approach was developed to build haplotypes that capture the genetic variation associated with this genomic region...
February 22, 2017: BMC Genetics
https://www.readbyqxmd.com/read/28222406/leydig-cell-clustering-and-reinke-crystal-distribution-in-relation-to-hormonal-function-in-adult-patients-with-testicular-dysgenesis-syndrome-tds-including-cryptorchidism
#18
Rikke R Soerensen, Trine H Johannsen, Niels E Skakkebaek, Ewa Rajpert-De Meyts
OBJECTIVE: Testicular dysgenesis syndrome (TDS) comprises testicular germ cell cancer, cryptorchidism and some cases of male infertility and hypospadias, which can be linked to impairment of intrauterine gonadal development. Among histological signs of TDS, large Leydig cell (LC) clusters (micronodules) are frequently present. This study aimed to investigate possible associations of LC micronodules with the presence of Reinke crystals and hormonal function of LCs, the latter primarily reflected by serum concentrations of luteinising hormone (LH) and testosterone, in patients with TDS...
October 2016: Hormones: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28222386/heterogeneous-fractionation-profiles-of-meta-analytic-coactivation-networks
#19
Angela R Laird, Michael C Riedel, Mershack Okoe, Radu Jianu, Kimberly L Ray, Simon B Eickhoff, Stephen M Smith, Peter T Fox, Matthew T Sutherland
Computational cognitive neuroimaging approaches can be leveraged to characterize the hierarchical organization of distributed, functionally specialized networks in the human brain. To this end, we performed large-scale mining across the BrainMap database of coordinate-based activation locations from over 10,000 task-based experiments. Meta-analytic coactivation networks were identified by jointly applying independent component analysis (ICA) and meta-analytic connectivity modeling (MACM) across a wide range of model orders (i...
February 18, 2017: NeuroImage
https://www.readbyqxmd.com/read/28221941/the-hap-complex-governs-fumonisin-biosynthesis-and-maize-kernel-pathogenesis-in-fusarium-verticillioides
#20
John B Ridenour, Jonathon E Smith, Burton H Bluhm
Contamination of maize ( Zea mays ) with fumonisins produced by the fungus Fusarium verticillioides is a global concern for food safety. Fumonisins are a group of polyketide-derived secondary metabolites linked to esophageal cancer and neural tube birth defects in humans and numerous toxicoses in livestock. Despite the importance of fumonisins in global maize production, the regulation of fumonisin biosynthesis during kernel pathogenesis is poorly understood. The HAP complex is a conserved, heterotrimeric transcriptional regulator that binds the consensus sequence CCAAT to modulate gene expression...
September 2016: Journal of Food Protection
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