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https://www.readbyqxmd.com/read/28541545/kr%C3%A3-ppel-like-factors-compete-for-promoters-and-enhancers-to-fine-tune-transcription
#1
Melissa D Ilsley, Kevin R Gillinder, Graham W Magor, Stephen Huang, Timothy L Bailey, Merlin Crossley, Andrew C Perkins
Krüppel-like factors (KLFs) are a family of 17 transcription factors characterized by a conserved DNA-binding domain of three zinc fingers and a variable N-terminal domain responsible for recruiting cofactors. KLFs have diverse functions in stem cell biology, embryo patterning, and tissue homoeostasis. KLF1 and related family members function as transcriptional activators via recruitment of co-activators such as EP300, whereas KLF3 and related members act as transcriptional repressors via recruitment of C-terminal Binding Proteins...
May 24, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28539198/total-usual-intake-of-shortfall-nutrients-varies-with-poverty-among-us-adults
#2
Regan L Bailey, Sharon R Akabas, Erin E Paxson, Sowmyanarayanan V Thuppal, Shilpa Saklani, Katherine L Tucker
OBJECTIVE: To examine shortfall nutrient intakes (ie, calcium, folate, potassium, magnesium, and vitamins A, C, D, and E) by poverty-to-income ratio (PIR). DESIGN: National Health and Nutrition Examination Survey 2011-2012, a nationally representative, cross-sectional survey. PARTICIPANTS: US adults with complete data on poverty status and diet were included (n = 4,524). ANALYSIS: The National Cancer Institute method was used to estimate total usual micronutrient intakes from foods, beverages, medications, and dietary supplements reported on 2 24-hour dietary recalls using measurement error correction...
May 20, 2017: Journal of Nutrition Education and Behavior
https://www.readbyqxmd.com/read/28538723/genomic-epidemiology-reveals-multiple-introductions-of-zika-virus-into-the-united-states
#3
Nathan D Grubaugh, Jason T Ladner, Moritz U G Kraemer, Gytis Dudas, Amanda L Tan, Karthik Gangavarapu, Michael R Wiley, Stephen White, Julien Thézé, Diogo M Magnani, Karla Prieto, Daniel Reyes, Andrea M Bingham, Lauren M Paul, Refugio Robles-Sikisaka, Glenn Oliveira, Darryl Pronty, Carolyn M Barcellona, Hayden C Metsky, Mary Lynn Baniecki, Kayla G Barnes, Bridget Chak, Catherine A Freije, Adrianne Gladden-Young, Andreas Gnirke, Cynthia Luo, Bronwyn MacInnis, Christian B Matranga, Daniel J Park, James Qu, Stephen F Schaffner, Christopher Tomkins-Tinch, Kendra L West, Sarah M Winnicki, Shirlee Wohl, Nathan L Yozwiak, Joshua Quick, Joseph R Fauver, Kamran Khan, Shannon E Brent, Robert C Reiner, Paola N Lichtenberger, Michael J Ricciardi, Varian K Bailey, David I Watkins, Marshall R Cone, Edgar W Kopp, Kelly N Hogan, Andrew C Cannons, Reynald Jean, Andrew J Monaghan, Robert F Garry, Nicholas J Loman, Nuno R Faria, Mario C Porcelli, Chalmers Vasquez, Elyse R Nagle, Derek A T Cummings, Danielle Stanek, Andrew Rambaut, Mariano Sanchez-Lockhart, Pardis C Sabeti, Leah D Gillis, Scott F Michael, Trevor Bedford, Oliver G Pybus, Sharon Isern, Gustavo Palacios, Kristian G Andersen
Zika virus (ZIKV) is causing an unprecedented epidemic linked to severe congenital abnormalities. In July 2016, mosquito-borne ZIKV transmission was reported in the continental United States; since then, hundreds of locally acquired infections have been reported in Florida. To gain insights into the timing, source, and likely route(s) of ZIKV introduction, we tracked the virus from its first detection in Florida by sequencing ZIKV genomes from infected patients and Aedes aegypti mosquitoes. We show that at least 4 introductions, but potentially as many as 40, contributed to the outbreak in Florida and that local transmission is likely to have started in the spring of 2016-several months before its initial detection...
May 24, 2017: Nature
https://www.readbyqxmd.com/read/28537452/safety-and-effectiveness-of-longer-focal-beam-and-burst-duration-in-ultrasonic-propulsion-for-repositioning-urinary-stones-and-fragments
#4
Karmon Janssen, Timothy C Brand, Bryan W Cunitz, Yak-Nam Wang, Julianna Simon, Frank Starr, H Denny Liggitt, Jeff Thiel, Mathew D Sorensen, Jonathan D Harper, Michael R Bailey, Barbrina Dunmire
PURPOSE: In the first-in-human trial of ultrasonic propulsion, subjects passed collections of residual stone fragments repositioned with a C5-2 probe. Here, effectiveness and safety in moving multiple fragments is compared between the C5-2 and a custom (SC-50) probe that produces a longer focal beam and burst duration. MATERIAL AND METHODS: Effectiveness was quantified by the number of stones expelled from a calyx phantom consisting of a 30-mm deep, water-filled well in a block of tissue mimicking material...
May 24, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28536968/clinical-and-imaging-based-prognostic-factors-in-radioembolisation-of-liver-metastases-from-colorectal-cancer-a-retrospective-exploratory-analysis
#5
Kathy P Willowson, Aimee R Hayes, David L H Chan, Michael Tapner, Elizabeth J Bernard, Richard Maher, Nick Pavlakis, Stephen J Clarke, Dale L Bailey
BACKGROUND: The aim of this study was to investigate the relationship between absorbed dose and response of colorectal cancer liver metastases treated with [(90)Y]-resin microspheres and to explore possible clinical and imaging derived prognostic factors. METHODS: FDG PET/CT was used to measure response of individual lesions to a measured absorbed dose, derived from post-treatment (90)Y PET imaging. Predicted dose was also derived from planning [(99m)Tc]-MAA SPECT data...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28535298/ledipasvir-sofosbuvir-plus-ribavirin-in-treatment-naive-patients-with-hepatitis-c-virus-genotype-3-infection-an-open-label-study
#6
Jordan J Feld, Alnoor Ramji, Stephen D Shafran, Bernard Willems, Paul Marotta, Emmanuelle Huchet, Marie-Louise Vachon, Evguenia S Svarovskaia, K C Huang, Robert H Hyland, Chohee Yun, Benedetta Massetto, Diana M Brainard, John G McHutchison, Edward Tam, Robert Bailey, Curtis Cooper, Eric M Yoshida, Susan Greenbloom, Magdy Elkhashab, Sergio Borgia, Mark G Swain
Background.: Patients chronically infected with genotype 3 hepatitis C virus (HCV) have faster disease progression and are less responsive to current direct-acting antiviral regimens than patients infected with other genotypes. We conducted an open-label trial to evaluate the safety, tolerability, and efficacy of ledipasvir and sofosbuvir plus ribavirin in patients with genotype 3 HCV infection. Methods.: We enrolled treatment-naive patients with and without compensated cirrhosis at 15 sites in Canada...
May 23, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28534480/molecular-basis-for-primpol-recruitment-to-replication-forks-by-rpa
#7
Thomas A Guilliam, Nigel C Brissett, Aaron Ehlinger, Benjamin A Keen, Peter Kolesar, Elaine M Taylor, Laura J Bailey, Howard D Lindsay, Walter J Chazin, Aidan J Doherty
DNA damage and secondary structures can stall the replication machinery. Cells possess numerous tolerance mechanisms to complete genome duplication in the presence of such impediments. In addition to translesion synthesis (TLS) polymerases, most eukaryotic cells contain a multifunctional replicative enzyme called primase-polymerase (PrimPol) that is capable of directly bypassing DNA damage by TLS, as well as repriming replication downstream of impediments. Here, we report that PrimPol is recruited to reprime through its interaction with RPA...
May 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28534110/the-impact-of-disability-in-survivors-of-critical-illness
#8
Carol L Hodgson, Andrew A Udy, Michael Bailey, Jonathan Barrett, Rinaldo Bellomo, Tracey Bucknall, Belinda J Gabbe, Alisa M Higgins, Theodore J Iwashyna, Julian Hunt-Smith, Lynne J Murray, Paul S Myles, Jennie Ponsford, David Pilcher, Craig Walker, Meredith Young, D J Cooper
PURPOSE: To use the World Health Organisation's International Classification of Functioning to measure disability following critical illness using patient-reported outcomes. METHODS: A prospective, multicentre cohort study conducted in five metropolitan intensive care units (ICU). Participants were adults who had been admitted to the ICU, received more than 24 h of mechanical ventilation and survived to hospital discharge. The primary outcome was measurement of disability using the World Health Organisation's Disability Assessment Schedule 2...
May 22, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28521550/detection-and-evaluation-of-renal-injury-in-burst-wave-lithotripsy-using-ultrasound-and-magnetic-resonance-imaging
#9
Philip Clark May, Wayne Kreider, Adam D Maxwell, Yak-Nam Wang, Bryan W Cunitz, Philip M Blomgren, Cynthia Johnson, Joshua Sh Park, Michael R Bailey, Donghoon Lee, Jonathan D Harper, Mathew D Sorensen
PURPOSE: Burst wave lithotripsy (BWL) is a transcutaneous technique with potential to safely and effectively fragment renal stones. Preclinical investigations of BWL require the assessment of potential renal injury. This study evaluates the capabilities of real-time ultrasound and magnetic resonance imaging (MRI) to detect and evaluate BWL injury that was induced in porcine kidneys. MATERIALS AND METHODS: Ten kidneys from five female farm pigs were treated with either a 170 kHz or 335 kHz BWL transducer using variable treatment parameters and monitored in real time with ultrasound...
May 18, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28505487/heroin-refusal-self-efficacy-and-preference-for-medication-assisted-treatment-after-inpatient-detoxification
#10
Shannon R Kenney, Genie L Bailey, Bradley J Anderson, Michael D Stein
OBJECTIVE: An individual's self-efficacy to refuse using heroin in high-risk situations is believed to minimize the likelihood for relapse. However, among individuals completing inpatient heroin detoxification, perceived refusal self-efficacy may also reduce one's perceived need for medication-assisted treatment (MAT), an effective and recommended treatment for opioid use disorder. In the current study, we examined the relationship between heroin refusal self-efficacy and preference for MAT following inpatient detoxification...
May 9, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28504417/laser-preparation-of-geometrically-optimised-samples-for-x-ray-nano-ct
#11
J J Bailey, T M M Heenan, D P Finegan, X Lu, S R Daemi, F Iacoviello, N R Backeberg, O O Taiwo, D J L Brett, A Atkinson, P R Shearing
A robust and versatile sample preparation technique for the fabrication of cylindrical pillars for imaging by X-ray nano-computed tomography (nano-CT) is presented. The procedure employs simple, cost-effective laser micro-machining coupled with focused-ion beam (FIB) milling, when required, to yield mechanically robust samples at the micrometre length-scale to match the field-of-view (FOV) for nano-CT imaging. A variety of energy and geological materials are exhibited as case studies, demonstrating the procedure can be applied to a variety of materials to provide geometrically optimised samples whose size and shape are tailored to the attenuation coefficients of the constituent phases...
May 15, 2017: Journal of Microscopy
https://www.readbyqxmd.com/read/28500416/effects-of-breaking-up-prolonged-sitting-following-low-and-high-glycaemic-index-breakfast-consumption-on-glucose-and-insulin-concentrations
#12
Daniel P Bailey, Benjamin D Maylor, Charlie J Orton, Julia K Zakrzewski-Fruer
PURPOSE: Breaking up prolonged sitting can attenuate the postprandial rise in glucose and insulin. Whether such effects are dependent of the glycaemic index (GI) of the consumed carbohydrate is unknown. This study examined the acute effects of breaking up prolonged sitting following a low GI and a high GI breakfast on postprandial glucose and insulin concentrations. PROCEDURES: Fourteen adult males aged 22.1 ± 1.2 years completed four, 4 h experimental conditions: high GI breakfast followed by uninterrupted sitting (HGI-SIT), low GI breakfast followed by uninterrupted sitting (LGI-SIT), high GI breakfast followed by 2 min activity breaks every 20 min (HGI-ACT), and low GI breakfast followed by 2 min activity breaks every 20 min (LGI-ACT)...
May 12, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28497075/development-of-a-novel-aav-gene-therapy-cassette-with-improved-safety-features-and-efficacy-in-a-mouse-model-of-rett-syndrome
#13
Kamal K E Gadalla, Thishnapha Vudhironarit, Ralph D Hector, Sarah Sinnett, Noha G Bahey, Mark E S Bailey, Steven J Gray, Stuart R Cobb
Rett syndrome (RTT), caused by loss-of-function mutations in the MECP2 gene, is a neurological disorder characterized by severe impairment of motor and cognitive functions. The aim of this study was to investigate the impact of vector design, dosage, and delivery route on the efficacy and safety of gene augmentation therapy in mouse models of RTT. Our results show that AAV-mediated delivery of MECP2 to Mecp2 null mice by systemic administration, and utilizing a minimal endogenous promoter, was associated with a narrow therapeutic window and resulted in liver toxicity at higher doses...
June 16, 2017: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/28497072/improved-mecp2-gene-therapy-extends-the-survival-of-mecp2-null-mice-without-apparent-toxicity-after-intracisternal-delivery
#14
Sarah E Sinnett, Ralph D Hector, Kamal K E Gadalla, Clifford Heindel, Daphne Chen, Violeta Zaric, Mark E S Bailey, Stuart R Cobb, Steven J Gray
Intravenous administration of adeno-associated virus serotype 9 (AAV9)/hMECP2 has been shown to extend the lifespan of Mecp2(-/y) mice, but this delivery route induces liver toxicity in wild-type (WT) mice. To reduce peripheral transgene expression, we explored the safety and efficacy of AAV9/hMECP2 injected into the cisterna magna (ICM). AAV9/hMECP2 (1 × 10(12) viral genomes [vg]; ICM) extended Mecp2(-/y) survival but aggravated hindlimb clasping and abnormal gait phenotypes. In WT mice, 1 × 10(12) vg of AAV9/hMECP2 induced clasping and abnormal gait...
June 16, 2017: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/28492938/association-between-breast-milk-bacterial-communities-and-establishment-and-development-of-the-infant-gut-microbiome
#15
Pia S Pannaraj, Fan Li, Chiara Cerini, Jeffrey M Bender, Shangxin Yang, Adrienne Rollie, Helty Adisetiyo, Sara Zabih, Pamela J Lincez, Kyle Bittinger, Aubrey Bailey, Frederic D Bushman, John W Sleasman, Grace M Aldrovandi
Importance: Establishment of the infant microbiome has lifelong implications on health and immunity. Gut microbiota of breastfed compared with nonbreastfed individuals differ during infancy as well as into adulthood. Breast milk contains a diverse population of bacteria, but little is known about the vertical transfer of bacteria from mother to infant by breastfeeding. Objective: To determine the association between the maternal breast milk and areolar skin and infant gut bacterial communities...
May 8, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28492251/multi-phase-volcanic-resurfacing-at-loki-patera-on-io
#16
K de Kleer, M Skrutskie, J Leisenring, A G Davies, A Conrad, I de Pater, A Resnick, V Bailey, D Defrère, P Hinz, A Skemer, E Spalding, A Vaz, C Veillet, C E Woodward
The Jovian moon Io hosts the most powerful persistently active volcano in the Solar System, Loki Patera. The interior of this volcanic, caldera-like feature is composed of a warm, dark floor covering 21,500 square kilometres surrounding a much cooler central 'island'. The temperature gradient seen across areas of the patera indicates a systematic resurfacing process, which has been seen to occur typically every one to three years since the 1980s. Analysis of past data has indicated that the resurfacing progressed around the patera in an anti-clockwise direction at a rate of one to two kilometres per day, and that it is caused either by episodic eruptions that emplace voluminous lava flows or by a cyclically overturning lava lake contained within the patera...
May 10, 2017: Nature
https://www.readbyqxmd.com/read/28487377/the-uk-diabetic-retinopathy-electronic-medical-record-uk-dr-emr-users-group-report-2-real-world-data-for-the-impact-of-cataract-surgery-on-diabetic-macular-oedema
#17
Alastair K Denniston, Usha Chakravarthy, Haogang Zhu, Aaron Y Lee, David P Crabb, Adnan Tufail, Clare Bailey, Toks Akerele, Sahar Al-Husainy, Christopher Brand, Louise Downey, Alan Fitt, Rehna Khan, Vineeth Kumar, Aires Lobo, Sajjad Mahmood, Kaveri Mandal, Martin Mckibbin, Geeta Menon, Salim Natha, Jong Min Ong, Marie D Tsaloumas, Atul Varma, Elizabeth Wilkinson, Robert L Johnston, Catherine A Egan
AIM: To assess the rate of 'treatment-requiring diabetic macular oedema (DMO)' in eyes for the two  years before and after cataract surgery. METHODS: Multicentre national diabetic retinopathy (DR) database study with anonymised data extraction across 19 centres from an electronic medical record system. INCLUSION CRITERIA: eyes undergoing cataract surgery in patients with diabetes with no history of DMO prior to study start. The minimum dataset included: age, visual acuity (all time-points), injection episodes, timing of cataract surgery and ETDRS grading of retinopathy and maculopathy...
May 9, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28486891/assessing-contemporary-intensive-care-unit-outcome-development-and-validation-of-the-australian-and-new-zealand-risk-of-death-admission-model
#18
E Paul, M Bailey, J Kasza, D V Pilcher
The Australian and New Zealand Risk of Death (ANZROD) model currently used for benchmarking intensive care units (ICUs) in Australia and New Zealand utilises physiological data collected up to 24 hours after ICU admission to estimate the risk of hospital mortality. This study aimed to develop the Australian and New Zealand Risk of Death admission (ANZROD<sub>0</sub>) model to predict hospital mortality using data available at presentation to ICU and compare its performance with the ANZROD in Australian and New Zealand hospitals...
May 2017: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/28484447/hiv-1-and-siv-predominantly-use-ccr5-expressed-on-a-precursor-population-to-establish-infection-in-t-follicular-helper-cells
#19
Yin Xu, Chansavath Phetsouphanh, Kazuo Suzuki, Anu Aggrawal, Stephanie Graff-Dubois, Michael Roche, Michelle Bailey, Sheilajen Alcantara, Kieran Cashin, Rahuram Sivasubramaniam, Kersten K Koelsch, Brigitte Autran, Richard Harvey, Paul R Gorry, Arnaud Moris, David A Cooper, Stuart Turville, Stephen J Kent, Anthony D Kelleher, John Zaunders
BACKGROUND: T follicular helper (Tfh) cells are increasingly recognized as a major reservoir of HIV infection that will likely need to be addressed in approaches to curing HIV. However, Tfh express minimal CCR5, the major coreceptor for HIV-1, and the mechanism by which they are infected is unclear. We have previously shown that macaque Tfh lack CCR5, but are infected in vivo with CCR5-using SIV at levels comparable to other memory CD4(+) T cells. Similarly, human splenic Tfh cells are highly infected with HIV-1 DNA...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28483871/learning-from-single-extreme-events
#20
REVIEW
Res Altwegg, Vernon Visser, Liam D Bailey, Birgit Erni
Extreme climatic events (ECEs) have a disproportionate effect on ecosystems. Yet much of what we know about the ecological impact of ECEs is based on observing the effects of single extreme events. We examined what characteristics affect the strength of inference that can be drawn from single-event studies, which broadly fell into three categories: opportunistic observational studies initiated after an ECE, long-term observational studies with data before and after an ECE and experiments. Because extreme events occur rarely, inference from such single-event studies cannot easily be made under the usual statistical paradigm that relies on replication and control...
June 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
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