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https://www.readbyqxmd.com/read/28817673/the-plasmid-encoded-ipf-and-klf-fimbriae-display-different-expression-and-varying-roles-in-the-virulence-of-salmonella-enterica-serovar-infantis-in-mouse-vs-avian-hosts
#1
Gili Aviv, Laura Elpers, Svetlana Mikhlin, Helit Cohen, Shaul Vitman Zilber, Guntram A Grassl, Galia Rahav, Michael Hensel, Ohad Gal-Mor
Salmonella enterica serovar Infantis is one of the prevalent Salmonella serovars worldwide. Different emergent clones of S. Infantis were shown to acquire the pESI virulence-resistance megaplasmid affecting its ecology and pathogenicity. Here, we studied two previously uncharacterized pESI-encoded chaperone-usher fimbriae, named Ipf and Klf. While Ipf homologs are rare and were found only in S. enterica subspecies diarizonae and subspecies VII, Klf is related to the known K88-Fae fimbria and klf clusters were identified in seven S...
August 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28807931/identification-of-novel-growth-regulators-in-plant-populations-expressing-random-peptides
#2
Zhilong Bao, Maureen A Clancy, Raquel F Carvalho, Kiona Elliott, Kevin M Folta
The use of chemical genomics approaches allows the identification of small molecules that integrate into biological systems, thereby changing discrete processes that influence growth, development or metabolism. Libraries of chemicals are applied to living systems, and changes in phenotype are observed, potentially leading to the identification of new growth regulators. This work describes an approach that is the nexus of chemical-genomics and synthetic biology. Here each plant in an extensive population synthesizes a unique small peptide arising from a transgene composed of a randomized nucleic acid sequence core, flanked by translational start, stop, and cysteine-encoding (for disulfide cyclization) sequences...
August 14, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28801437/patient-experience-of-nhs-health-checks-a-systematic-review-and-qualitative-synthesis
#3
Juliet A Usher-Smith, Emma Harte, Calum MacLure, Adam Martin, Catherine L Saunders, Catherine Meads, Fiona M Walter, Simon J Griffin, Jonathan Mant
OBJECTIVE: To review the experiences of patients attending NHS Health Checks in England. DESIGN: A systematic review of quantitative and qualitative studies with a thematic synthesis of qualitative studies. DATA SOURCES: An electronic literature search of Medline, Embase, Health Management Information Consortium, Cumulative Index of Nursing and Allied Health Literature, Global Health, PsycInfo, Web of Science, OpenGrey, the Cochrane Library, National Health Service (NHS) Evidence, Google Scholar, Google, Clinical Trials...
August 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28798038/infographics-winning-road-cycle-races-a-team-sky-perspective
#4
EDITORIAL
Neil Heron, Richard Usher, Derick MacLeod, Inigo Sarrieguil, Juan Mercadel, Mark A Tully
No abstract text is available yet for this article.
August 10, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28789687/long-non-coding-rna-and-tumor-hypoxia-new-players-ushered-toward-an-old-arena
#5
REVIEW
Jing-Wen Shih, Hsing-Jien Kung
Hypoxia is a classic feature of the tumor microenvironment with a profound impact on cancer progression and therapeutic response. Activation of complex hypoxia pathways orchestrated by the transcription factor HIF (hypoxia-inducible factor) contributes to aggressive phenotypes and metastasis in numerous cancers. Over the past few decades, exponentially growing research indicated the importance of the non-coding genome in hypoxic tumor regions. Recently, key roles of long non coding RNAs (lncRNAs) in hypoxia-driven cancer progression have begun to emerge...
August 8, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28777087/methylation-crystallization-and-sad-phasing-of-the-csu-pilus-csuc-csue-chaperone-adhesin-subunit-pre-assembly-complex-from-acinetobacter-baumannii
#6
Natalia Pakharukova, Minna Tuittila, Sari Paavilainen, Anton Zavialov
Acinetobacter baumannii is one of the most difficult Gram-negative bacteria to control and treat. This pathogen forms biofilms on hospital surfaces and medical devices using Csu pili assembled via the archaic chaperone-usher pathway. To uncover the mechanism of bacterial attachment to abiotic surfaces, it was aimed to determine the crystal structure of the pilus tip adhesin CsuE. The CsuC-CsuE chaperone-subunit pre-assembly complex was purified from the periplasm of Escherichia coli overexpressing CsuC and CsuE...
August 1, 2017: Acta Crystallographica. Section F, Structural Biology Communications
https://www.readbyqxmd.com/read/28772103/architecture-function-and-assembly-of-the-mouse-visual-system
#7
Tania A Seabrook, Timothy J Burbridge, Michael C Crair, Andrew D Huberman
Vision is the sense humans rely on most to navigate the world, make decisions, and perform complex tasks. Understanding how humans see thus represents one of the most fundamental and important goals of neuroscience. The use of the mouse as a model for parsing how vision works at a fundamental level started approximately a decade ago, ushered in by the mouse's convenient size, relatively low cost, and, above all, amenability to genetic perturbations. In the course of that effort, a large cadre of new and powerful tools for in vivo labeling, monitoring, and manipulation of neurons were applied to this species...
July 25, 2017: Annual Review of Neuroscience
https://www.readbyqxmd.com/read/28765236/snmmi-leadership-update-the-snmmi-2017-annual-meeting-ushering-in-the-future-with-a-focus-on-theranostics-research-education-and-value
#8
Virginia Pappas
No abstract text is available yet for this article.
August 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28757303/risk-accuracy-of-type-2-diabetes-in-middle-aged-adults-associations-with-sociodemographic-clinical-psychological-and-behavioural-factors
#9
Barbora Silarova, Fiona E Douglas, Juliet A Usher-Smith, Job G Godino, Simon J Griffin
OBJECTIVE: To identify the proportion of individuals with an accurate perception of their risk of type 2 diabetes (T2D) prior to, immediately after and eight weeks after receiving a personalised risk estimate. Additionally, we aimed to explore what factors are associated with underestimation and overestimation immediately post-intervention. METHODS: Cohort study based on the data collected in the Diabetes Risk Communication Trial. We included 379 participants (mean age 48...
July 21, 2017: Patient Education and Counseling
https://www.readbyqxmd.com/read/28751342/bjgp-library-human-traces-an-alternative-view-of-mental-health
#10
Natasha Usher
No abstract text is available yet for this article.
August 2017: British Journal of General Practice: the Journal of the Royal College of General Practitioners
https://www.readbyqxmd.com/read/28748751/update-on-nitazoxanide-a-multifunctional-chemotherapeutic-agent
#11
Anshul Shakya, Hans Raj Bhat, Surjit Kumar Ghosh
Background: The thiazolide nitazoxanide (NTZ) is a broad-spectrum anti-infective drug that adversely affects viability, growth, and proliferation of a range of extracellular and intracellular protozoan, helminths, anaerobic and microaerophilic bacteria, and viruses. Methods: Current review compiled the potential chemotherapeutic efficacy of NTZ against a variety of such disease-causing macro and/or micro-organisms as well as neoplastic cells, using various search engines viz...
July 27, 2017: Current Drug Discovery Technologies
https://www.readbyqxmd.com/read/28747792/tailoring-seed-oil-composition-in-the-real-world-optimising-omega-3-long-chain-polyunsaturated-fatty-acid-accumulation-in-transgenic-camelina-sativa
#12
Sarah Usher, Lihua Han, Richard P Haslam, Louise V Michaelson, Drew Sturtevant, Mina Aziz, Kent D Chapman, Olga Sayanova, Johnathan A Napier
There is considerable interest in the de novo production of omega-3 long chain polyunsaturated fatty acids such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), not least of all given the importance of these fatty acids in both aquaculture and human nutrition. Previously we have demonstrated the feasibility of using metabolic engineering in transgenic plants (Camelina sativa) to modify the seed oil composition to now include EPA and/or DHA. In this study, we further tailored the seed oil profile to reduce the omega-6 content, and evaluated the performance of such GM plants under field conditions (i...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28743129/fibroblast-growth-factor-23-predicts-mortality-and-end-stage-renal-disease-in-a-canadian-asian-population-with-chronic-kidney-disease
#13
Ishwarlal Jialal, Fernando Camacho, Bharat Nathoo, Paul Tam, Roma Pahwa, George G Wu
BACKGROUND: Chronic kidney disease (CKD) is a leading cause of morbidity and mortality. Biomarkers that predict end-stage renal disease (ESRD) and/or mortality could usher in new therapeutics to halt this onslaught. While fibroblast growth factor (FGF)23 can predict both ESRD and mortality, it has not been studied in North American CKD patients of Asian ethnicity. METHOD: This is a prospective investigation about the role of FGF23 in 998 Canadian patients of Asian descent with CKD defined by an estimated glomerular filtration rate (eGFR) <60 mL/min/m2 and followed up for 3 years...
July 26, 2017: Nephron
https://www.readbyqxmd.com/read/28736633/biologics-in-gastrointestinal-and-pancreatic-neuroendocrine-tumors
#14
REVIEW
Iris H Liu, Pamela L Kunz
The development of biologic agents has ushered in a new era of precision medicine, opening the door to new therapeutic options designed to intelligently target cancer cells and their promoting factors, while leaving normal cells relatively unharmed. Biologics for the treatment of neuroendocrine tumors (NETs) have followed in the footsteps of regimens targeting pathways upregulated in other cancers, including the vascular endothelial growth factor (VEGF) and the mammalian target of rapamycin (mTOR). Through a number of clinical trials, the mTOR inhibitor everolimus and the receptor tyrosine kinase (RTK) inhibitor sunitinib were recently approved for NETs...
June 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28731162/a-homozygous-myo7a-mutation-associated-to-usher-syndrome-and-unilateral-auditory-neuropathy-spectrum-disorder
#15
Hong Xia, Pengzhi Hu, Lamei Yuan, Wei Xiong, Hongbo Xu, Junhui Yi, Zhijian Yang, Xiong Deng, Yi Guo, Hao Deng
Usher syndrome (USH) is an autosomal recessive disorder characterized by sensorineural hearing loss, progressive visual loss and night blindness due to retinitis pigmentosa (RP), with or without vestibular dysfunction. The purpose of this study was to detect the causative gene in a consanguineous Chinese family with USH. A c.3696_3706del (p.R1232Sfs*72) variant in the myosin VIIa gene (MYO7A) was identified in the homozygous state by exome sequencing. The co‑segregation of the MYO7A c.3696_3706del variant with the phenotype of deafness and progressive visual loss in the USH family was confirmed by Sanger sequencing...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28730142/taming-parasites-by-tailoring-them
#16
Bingjian Ren, Nishith Gupta
The next-generation gene editing based on CRISPR (clustered regularly interspaced short palindromic repeats) has been successfully implemented in a wide range of organisms including some protozoan parasites. However, application of such a versatile game-changing technology in molecular parasitology remains fairly underexplored. Here, we briefly introduce state-of-the-art in human and mouse research and usher new directions to drive the parasitology research in the years to come. In precise, we outline contemporary ways to embolden existing apicomplexan and kinetoplastid parasite models by commissioning front-line gene-tailoring methods, and illustrate how we can break the enduring gridlock of gene manipulation in non-model parasitic protists to tackle intriguing questions that remain long unresolved otherwise...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28721681/genetic-characterization-and-disease-mechanism-of-retinitis-pigmentosa-current-scenario
#17
REVIEW
Muhammad Umar Ali, Muhammad Saif Ur Rahman, Jiang Cao, Ping Xi Yuan
Retinitis pigmentosa is a group of genetically transmitted disorders affecting 1 in 3000-8000 individual people worldwide ultimately affecting the quality of life. Retinitis pigmentosa is characterized as a heterogeneous genetic disorder which leads by progressive devolution of the retina leading to a progressive visual loss. It can occur in syndromic (with Usher syndrome and Bardet-Biedl syndrome) as well as non-syndromic nature. The mode of inheritance can be X-linked, autosomal dominant or autosomal recessive manner...
August 2017: 3 Biotech
https://www.readbyqxmd.com/read/28721057/safety-tolerability-and-risks-associated-with-first-and-second-generation-antipsychotics-a-state-of-the-art-clinical-review
#18
REVIEW
Marco Solmi, Andrea Murru, Isabella Pacchiarotti, Juan Undurraga, Nicola Veronese, Michele Fornaro, Brendon Stubbs, Francesco Monaco, Eduard Vieta, Mary V Seeman, Christoph U Correll, André F Carvalho
Since the discovery of chlorpromazine (CPZ) in 1952, first-generation antipsychotics (FGAs) have revolutionized psychiatric care in terms of facilitating discharge from hospital and enabling large numbers of patients with severe mental illness (SMI) to be treated in the community. Second-generation antipsychotics (SGAs) ushered in a progressive shift from the paternalistic management of SMI symptoms to a patient-centered approach, which emphasized targets important to patients - psychosocial functioning, quality of life, and recovery...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28716376/improving-the-safety-of-health-information-technology-requires-shared-responsibility-it-is-time-we-all-step-up
#19
Dean F Sittig, Elisabeth Belmont, Hardeep Singh
In 2011, an Institute of Medicine report on health information technology (IT) and patient safety highlighted that building health-IT for safer use is a shared responsibility between key stakeholders including: "vendors, care providers, healthcare organizations, health-IT departments, and public and private agencies". Use of electronic health records (EHRs) involves all these stakeholders, but they often have conflicting priorities and requirements. Since 2011, the concept of shared responsibility has gained little traction and EHR developers and users continue to attribute the substantial, long list of problems to each other...
July 14, 2017: Healthcare
https://www.readbyqxmd.com/read/28715309/rise-of-the-nanorobots-advances-in-control-molecular-detection-and-nanoscale-actuation-are-bringing-us-closer-to-a-new-era-of-technology-enhanced-by-nanorobots
#20
Stanislav Tsitkov, Henry Hess
In 1988, a Scientific American article by A.K. Dewdney [1] on the work of nanotechnologist K. Eric Drexler spurred public interest in the nascent field of nanotechnology and its potential for advancing humanity into a new technological age. The article portrayed a world run by nanoscale machines that could operate in any environment (Figure 1), with uses ranging from fighting infections in the human body to building tomorrow's skyscrapers. Nearly 30 years later, these visions of the future are closer than ever...
July 2017: IEEE Pulse
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