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https://www.readbyqxmd.com/read/29159477/factors-influencing-uptake-of-sylvatic-plague-vaccine-baits-by-prairie-dogs
#1
Rachel C Abbott, Robin E Russell, Katherine L D Richgels, Daniel W Tripp, Marc R Matchett, Dean E Biggins, Tonie E Rocke
Sylvatic plague vaccine (SPV) is a virally vectored bait-delivered vaccine expressing Yersinia pestis antigens that can protect prairie dogs (Cynomys spp.) from plague and has potential utility as a management tool. In a large-scale 3-year field trial, SPV-laden baits containing the biomarker rhodamine B (used to determine bait consumption) were distributed annually at a rate of approximately 100-125 baits/hectare along transects at 58 plots encompassing the geographic ranges of four species of prairie dogs...
November 20, 2017: EcoHealth
https://www.readbyqxmd.com/read/29158606/detecting-macroecological-patterns-in-bacterial-communities-across-independent-studies-of-global-soils
#2
Kelly S Ramirez, Christopher G Knight, Mattias de Hollander, Francis Q Brearley, Bede Constantinides, Anne Cotton, Si Creer, Thomas W Crowther, John Davison, Manuel Delgado-Baquerizo, Ellen Dorrepaal, David R Elliott, Graeme Fox, Robert I Griffiths, Chris Hale, Kyle Hartman, Ashley Houlden, David L Jones, Eveline J Krab, Fernando T Maestre, Krista L McGuire, Sylvain Monteux, Caroline H Orr, Wim H van der Putten, Ian S Roberts, David A Robinson, Jennifer D Rocca, Jennifer Rowntree, Klaus Schlaeppi, Matthew Shepherd, Brajesh K Singh, Angela L Straathof, Jennifer M Bhatnagar, Cécile Thion, Marcel G A van der Heijden, Franciska T de Vries
The emergence of high-throughput DNA sequencing methods provides unprecedented opportunities to further unravel bacterial biodiversity and its worldwide role from human health to ecosystem functioning. However, despite the abundance of sequencing studies, combining data from multiple individual studies to address macroecological questions of bacterial diversity remains methodically challenging and plagued with biases. Here, using a machine-learning approach that accounts for differences among studies and complex interactions among taxa, we merge 30 independent bacterial data sets comprising 1,998 soil samples from 21 countries...
November 20, 2017: Nature Microbiology
https://www.readbyqxmd.com/read/29156204/autologous-hematopoietic-cell-transplantation-for-adult-acute-myeloid-leukemia-an-obsolete-or-resurfacing-concept
#3
REVIEW
Hillard M Lazarus, Najla El Jurdi
Improving long-term outcomes of adult acute myeloid leukemia (AML) patients remains a challenge. Major scientific and clinical advances have led to a better understanding of the disease biology, and the majority of patients achieve a complete remission (CR) after induction therapy. Relapse risk, however, remains considerable and is the leading cause of death in this patient population. Significant efforts to improve outcomes emphasize use of post-remission therapies such as hematopoietic cell transplantation (HCT), an increasingly utilized modality...
December 2017: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/29155827/the-asian-house-shrew-suncus-murinus-as-a-reservoir-and-source-of-human-outbreaks-of-plague-in-madagascar
#4
Soanandrasana Rahelinirina, Minoarisoa Rajerison, Sandra Telfer, Cyril Savin, Elisabeth Carniel, Jean-Marc Duplantier
Identifying key reservoirs for zoonoses is crucial for understanding variation in incidence. Plague re-emerged in Mahajanga, Madagascar in the 1990s but there has been no confirmed case since 1999. Here we combine ecological and genetic data, from during and after the epidemics, with experimental infections to examine the role of the shrew Suncus murinus in the plague epidemiological cycle. The predominance of S. murinus captures during the epidemics, their carriage of the flea vector and their infection with Yersinia pestis suggest they played an important role in the maintenance and transmission of plague...
November 20, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29155261/the-phosphodiesterase-4-inhibitor-fcpr16-attenuates-ischemia-reperfusion-injury-in-rats-subjected-to-middle-cerebral-artery-occlusion-and-reperfusion
#5
Jiajia Chen, Hui Yu, Jiahong Zhong, Hongfang Feng, Haitao Wang, Yufang Cheng, Zhengqiang Zou, Chang Huang, Zhongzhen Zhou, Wenhua Zheng, Jiangping Xu
Current phosphodiesterase-4 (PDE4) inhibitors exert beneficial effects in central nervous system diseases via anti-inflammatory and anti-apoptotic properties, but many of them are plagued by side effects like nausea and emesis. FCPR16, a novel PDE4 inhibitor synthesized in our lab, has potential anti-inflammatory property. In the present study, we aimed to investigate the effects of FCPR16 in a rat model of ischemic stroke and evaluate its emetogenic potential. Our results showed that FCPR16 treatment improved neurological function, reduced cerebral infarct volume, and attenuated brain histological changes in rats subjected to middle cerebral artery occlusion and reperfusion (MCAO/R)...
November 16, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/29153589/biocatalytic-hydrolysis-of-chlorinated-nicotinamides-by-a-superior-as-family-amidase-and-its-application-in-enzymatic-production-of-2-chloronicotinic-acid
#6
Ren-Chao Zheng, Jian-Qiang Jin, Zhe-Ming Wu, Xiao-Ling Tang, Li-Qun Jin, Yu-Guo Zheng
2-Chloronicotinic acid (2-CA) is an important building block for a series of agrochemicals and pharmaceuticals. Amidase-catalyzed hydrolysis of 2-chloronicotinamide is one of the most attractive approaches for 2-CA production. However, development of the bioprocess was plagued by low activity of amidase for 2-chloronicotinamide. In this work, an amidase signature (AS) family amidase from Pantoea sp. (Pa-Ami), with superior activity for nicotinamide and its chlorinated derivatives, was exploited and characterized...
November 7, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29148614/double-regioselective-asymmetric-c-allylation-of-isoxazolinones-iridium-catalyzed-n-allylation-followed-by-an-aza-cope-rearrangement
#7
Stefan Rieckhoff, Jan Meisner, Johannes Kästner, Wolfgang Frey, René Peters
Isoxazolinones are biologically and synthetically interesting densely functionalized heterocycles, which for a long time were not accessible in enantioenriched form by asymmetric catalysis. Next to the deficit of enantioselective methods, the functionalization of isoxazolinones is often plagued by regioselectivity issues due to the competition of various nucleophilic centers within the heterocycles. Here we report the first regio- and enantioselective C-allylations of isoxazolinones. They also allowed for high regioselectivity in favor of the linear allylation products, although Ir phosphoramidite catalysts were used, which commonly result in branched isomers...
November 17, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/29145425/statistical-analysis-of-co-occurrence-patterns-in-microbial-presence-absence-datasets
#8
Kumar P Mainali, Sharon Bewick, Peter Thielen, Thomas Mehoke, Florian P Breitwieser, Shishir Paudel, Arjun Adhikari, Joshua Wolfe, Eric V Slud, David Karig, William F Fagan
Drawing on a long history in macroecology, correlation analysis of microbiome datasets is becoming a common practice for identifying relationships or shared ecological niches among bacterial taxa. However, many of the statistical issues that plague such analyses in macroscale communities remain unresolved for microbial communities. Here, we discuss problems in the analysis of microbial species correlations based on presence-absence data. We focus on presence-absence data because this information is more readily obtainable from sequencing studies, especially for whole-genome sequencing, where abundance estimation is still in its infancy...
2017: PloS One
https://www.readbyqxmd.com/read/29143899/headache-in-resource-limited-settings
#9
REVIEW
Yohannes W Woldeamanuel
PURPOSE OF REVIEW: This review summarizes the unmet need of headache burden and management in resource-limited settings. It provides a general overview of the nuances and peculiarities of headache disorders in resource-limited settings. The review delivers perspectives and explanations for the emerging burden of both primary and secondary headache disorders. Important discussion on demographic and epidemiologic transition pertinent to low-resource settings is included. A critical analysis of headache disorders is made within the context of growing burden non-communicable disorders in low-resource countries...
November 16, 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/29141768/rat-fall-surveillance-coupled-with-vector-control-and-community-education-as-a-plague-prevention-strategy-in-the-west-nile-region-uganda
#10
Karen A Boegler, Linda A Atiku, Russell E Enscore, Titus Apangu, Joseph Tendo Mpanga, Sarah Acayo, John Kaggwa, Paul S Mead, Brook M Yockey, Kiersten J Kugeler, Martin E Schriefer, Kalanthe Horiuchi, Kenneth L Gage, Rebecca J Eisen
Plague, primarily a disease of rodents, is most frequently transmitted by fleas and causes potentially fatal infections in humans. In Uganda, plague is endemic to the West Nile region. Primary prevention for plague includes control of rodent hosts or flea vectors, but targeting these efforts is difficult given the sporadic nature of plague epizootics in the region and limited resource availability. Here, we present a community-based strategy to detect and report rodent deaths (rat fall), an early sign of epizootics...
October 23, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29141705/phenotypic-and-molecular-genetic-characteristics-of-yersinia-pestis-at-an-emerging-natural-plague-focus-junggar-basin-china
#11
Yujiang Zhang, Tao Luo, Chao Yang, Xihong Yue, Rong Guo, Xinhui Wang, Mingde Buren, Yuqin Song, Ruifu Yang, Hanli Cao, Yujun Cui, Xiang Dai
The 15th natural plague focus in China, the Junggar Basin plague focus, is located near an important communication route connecting China and Central Asia and was discovered after 2005. To characterize the phenotypic and genetic diversity of the Yersinia pestis population in this newly established focus, we collected 25 Y. pestis strains from six counties across Junggar Basin in 2005-2006, and determined their biochemical features and genotypes based on multiple-locus variable number of tandem repeats analysis and clustered regularly interspaced short palindromic repeats analysis...
October 23, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29141558/modulation-of-cancer-metabolism-by-phytochemicals-a-brief-overview
#12
Danina Muntean, Sturza Adrian, Ioana Pavel, Oana Duicu
Despite tremendous research efforts for effective therapies, cancer remains the plague of the century and its burden is expected to increase worldwide in the near future. Metabolic reprogramming is a firmly established hallmark of all cancers, regardless their cellular or tissue origin, being a prerequisite for both tumor growth and invasion. Functional dependence of tumors on glycolysis and glutaminolysis and the crucial contribution of mitochondria to the tumor bioenergetic versatility are well recognized features and established therapeutic targets...
November 13, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/29139586/breast-abscess-after-intravenous-methamphetamine-injection-into-the-breast
#13
Amanda Kistler, Nicolas Ajkay
Intravenous drug use is a problem plaguing our society. We present a case of a young female who injected methamphetamine into her mammary vein, resulting in the formation of a breast abscess. This case demonstrates a rare but dangerous complication of intravenous drug use and a possible differential diagnosis in a patient presenting with a breast abscess.
November 15, 2017: Breast Journal
https://www.readbyqxmd.com/read/29138089/rapid-two-step-dipole-inversion-for-susceptibility-mapping-with-sparsity-priors
#14
Christian Kames, Vanessa Wiggermann, Alexander Rauscher
Quantitative susceptibility mapping (QSM) is a post-processing technique of gradient echo phase data that attempts to map the spatial distribution of local tissue magnetic susceptibilities. To obtain these maps, an ill-posed field-to-source inverse problem must be solved to remove non-local magnetic field perturbations. Current state-of-the-art algorithms which aim to solve the dipole inversion problem are plagued by the trade-off between reconstruction speed and accuracy. A two-step dipole inversion algorithm is proposed to bridge this gap...
November 11, 2017: NeuroImage
https://www.readbyqxmd.com/read/29137994/role-of-osmolytes-in-protein-folding-and-aggregation-in-cells-and-its-applications-in-biotechnology
#15
REVIEW
Gulam Rabbani
Nature has selected osmolytes to protect intracellular macromolecules against denaturing stress conditions. These molecules are accumulated in the intracellular environment at considerably high concentrations. In general, osmolytes are known to stabilize proteins. Osmolytes are small naturally occurring compound that are utilized as chemical chaperones by changing the environmental condition in diseased cellular stress state. Osmolytes are present in different organisms, including microorganisms, animals and plants...
November 11, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29136236/basic-neuroscience-illuminates-causal-relationship-between-sleep-and-memory-translating-to-schizophrenia
#16
Ana Pocivavsek, Laura M Rowland
Patients with schizophrenia are often plagued by sleep disturbances that can exacerbate the illness, including potentiating psychosis and cognitive impairments. Cognitive dysfunction is a core feature of schizophrenia with learning and memory being particularly impaired. Sleep disruptions often accompanying the illness and may be key mechanism that contribute to these core dysfunctions. In this special translational neuroscience feature, we highlight the role of sleep in mediating cognitive function, with a special focus on learning and memory...
November 9, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/29134676/a-safety-and-immunogenicity-study-of-a-novel-subunit-plague-vaccine-in-cynomolgus-macaques
#17
Li Liu, Dong Wei, Zhe Qu, Li Sun, Yufa Miao, Yanwei Yang, Jinbiao Lu, Weixin Du, Bingxiang Wang, Bo Li
Plague has led to millions of deaths in history and outbreaks continue to the present day. The efficacy limitations and safety concerns of the existing killed whole cell and live-attenuated vaccines call for the development of new vaccines. In this study, we evaluated the immunogenicity and safety of a novel subunit plague vaccine, comprising native F1 antigen and recombinant V antigen. The cynomolgus macaques in low- and high-dose vaccine groups were vaccinated at weeks 0, 2, 4 and 6, at dose levels of 15 μg F1 + 15 μg rV and 30 μg F1 + 30 μg rV respectively...
November 14, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/29131343/extracting-wair-from-the-electron-beam-measurements-of-domen-and-lamperti
#18
Frédéric Tessier, Claudiu Dorin Cojocaru, Carl Kenneth Ross
PURPOSE: The average energy expended by an energetic electron to create an ion pair in dry air, Wair, is a key quantity in radiation dosimetry. Although Wair is well established for electron energies up to about 3 MeV there is limited data for higher energies. The measurements by Domen and Lamperti [Med. Phys. 3, 294{301 (1976)] using electron beams in the energy range from 15 to 50 MeV can, in principle, be used to deduce values for Wair, if the electron stopping power of graphite and air are known...
November 13, 2017: Medical Physics
https://www.readbyqxmd.com/read/29130592/accounting-for-measurement-error-in-human-life-history-trade-offs-using-structural-equation-modeling
#19
Samuli Helle
OBJECTIVES: Revealing causal effects from correlative data is very challenging and a contemporary problem in human life history research owing to the lack of experimental approach. Problems with causal inference arising from measurement error in independent variables, whether related either to inaccurate measurement technique or validity of measurements, seem not well-known in this field. The aim of this study is to show how structural equation modeling (SEM) with latent variables can be applied to account for measurement error in independent variables when the researcher has recorded several indicators of a hypothesized latent construct...
November 11, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29130541/depression-social-support-and-clinical-outcomes-following-lung-transplantation
#20
Patrick J Smith, Laurie D Snyder, Scott M Palmer, Benson M Hoffman, Gregory L Stonerock, Krista K Ingle, Caroline K Saulino, James A Blumenthal
BACKGROUND: Depressive symptoms are common among lung transplant candidates and have been associated with poorer clinical outcomes in some studies. Previous studies have been plagued by methodologic problems, including small sample sizes, few clinical events, and uncontrolled confounders, particularly perioperative complications. In addition, few studies have examined social support as a potential protective factor. We therefore examined the association between pre-transplant depressive symptoms, social support, and mortality in a large sample of lung transplant recipients...
November 12, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
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