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https://www.readbyqxmd.com/read/29334379/highly-parallel-direct-rna-sequencing-on-an-array-of-nanopores
#1
Daniel R Garalde, Elizabeth A Snell, Daniel Jachimowicz, Botond Sipos, Joseph H Lloyd, Mark Bruce, Nadia Pantic, Tigist Admassu, Phillip James, Anthony Warland, Michael Jordan, Jonah Ciccone, Sabrina Serra, Jemma Keenan, Samuel Martin, Luke McNeill, E Jayne Wallace, Lakmal Jayasinghe, Chris Wright, Javier Blasco, Stephen Young, Denise Brocklebank, Sissel Juul, James Clarke, Andrew J Heron, Daniel J Turner
Sequencing the RNA in a biological sample can unlock a wealth of information, including the identity of bacteria and viruses, the nuances of alternative splicing or the transcriptional state of organisms. However, current methods have limitations due to short read lengths and reverse transcription or amplification biases. Here we demonstrate nanopore direct RNA-seq, a highly parallel, real-time, single-molecule method that circumvents reverse transcription or amplification steps. This method yields full-length, strand-specific RNA sequences and enables the direct detection of nucleotide analogs in RNA...
January 15, 2018: Nature Methods
https://www.readbyqxmd.com/read/29334373/prevention-of-tuberculosis-in-rhesus-macaques-by-a-cytomegalovirus-based-vaccine
#2
Scott G Hansen, Daniel E Zak, Guangwu Xu, Julia C Ford, Emily E Marshall, Daniel Malouli, Roxanne M Gilbride, Colette M Hughes, Abigail B Ventura, Emily Ainslie, Kurt T Randall, Andrea N Selseth, Parker Rundstrom, Lauren Herlache, Matthew S Lewis, Haesun Park, Shannon L Planer, John M Turner, Miranda Fischer, Christina Armstrong, Robert C Zweig, Joseph Valvo, Jackie M Braun, Smitha Shankar, Lenette Lu, Andrew W Sylwester, Alfred W Legasse, Martin Messerle, Michael A Jarvis, Lynn M Amon, Alan Aderem, Galit Alter, Dominick J Laddy, Michele Stone, Aurelio Bonavia, Thomas G Evans, Michael K Axthelm, Klaus Früh, Paul T Edlefsen, Louis J Picker
Despite widespread use of the bacille Calmette-Guérin (BCG) vaccine, tuberculosis (TB) remains a leading cause of global mortality from a single infectious agent (Mycobacterium tuberculosis or Mtb). Here, over two independent Mtb challenge studies, we demonstrate that subcutaneous vaccination of rhesus macaques (RMs) with rhesus cytomegalovirus vectors encoding Mtb antigen inserts (hereafter referred to as RhCMV/TB)-which elicit and maintain highly effector-differentiated, circulating and tissue-resident Mtb-specific CD4+ and CD8+ memory T cell responses-can reduce the overall (pulmonary and extrapulmonary) extent of Mtb infection and disease by 68%, as compared to that in unvaccinated controls, after intrabronchial challenge with the Erdman strain of Mtb at ∼1 year after the first vaccination...
January 15, 2018: Nature Medicine
https://www.readbyqxmd.com/read/29332010/oligogenic-genetic-variation-of-neurodegenerative-disease-genes-in-980-postmortem-human-brains
#3
Michael J Keogh, Wei Wei, Juvid Aryaman, Ian Wilson, Kevin Talbot, Martin R Turner, Chris-Anne McKenzie, Claire Troakes, Johannes Attems, Colin Smith, Safa Al Sarraj, Chris M Morris, Olaf Ansorge, Stuart Pickering-Brown, Nick Jones, James W Ironside, Patrick F Chinnery
BACKGROUND: Several studies suggest that multiple rare genetic variants in genes causing monogenic forms of neurodegenerative disorders interact synergistically to increase disease risk or reduce the age of onset, but these studies have not been validated in large sporadic case series. METHODS: We analysed 980 neuropathologically characterised human brains with Alzheimer's disease (AD), Parkinson's disease-dementia with Lewy bodies (PD-DLB), frontotemporal dementia-amyotrophic lateral sclerosis (FTD-ALS) and age-matched controls...
January 13, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29331073/cerebrospinal-fluid-macrophage-biomarkers-in-amyotrophic-lateral-sclerosis
#4
A G Thompson, E Gray, M-L Thézénas, P D Charles, S Evetts, M T Hu, K Talbot, R Fischer, B M Kessler, M R Turner
Objective The neurodegenerative disease amyotrophic lateral sclerosis (ALS) is a heterogeneous clinical syndrome involving multiple molecular pathways. The development of biomarkers for use in therapeutic trials is a priority. We sought to use a high-throughput proteomic method to identify novel biomarkers in individual cerebrospinal fluid samples. Methods Liquid chromatography-tandem mass spectrometry with label-free quantification was used to identify cerebrospinal fluid proteins using samples from a well-characterised longitudinal cohort comprising patients with ALS (n=43), the upper motor neuron variant primary lateral sclerosis (PLS, n=6), cross-sectional healthy (n=20) and disease controls (Parkinsons's n=20, ALS mimic disorders n=12)...
January 13, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29331070/how-does-dose-impact-on-the-severity-of-food-induced-allergic-reactions-and-can-this-improve-risk-assessment-for-allergenic-foods
#5
REVIEW
Anthony E J Dubois, Paul J Turner, Jonathan Hourihane, Barbara Ballmer-Weber, Kirsten Beyer, Chan Chun-Han, M Hazel Gowland, Sue O'Hagan, Lynne Regent, Ben Remington, Sabine Schnadt, Thomas Stroheker, René W R Crevel
Quantitative risk assessment for food allergens has made considerable progress in recent years, yet acceptability of its outcomes remains stymied because of the limited extent to which it has been possible to incorporate severity as a variable. Reaction severity, particularly following accidental exposure, depends on multiple factors, related to the allergen, the host and any treatments which might be administered. Some of these factors are plausibly still unknown. Quantitative risk assessment shows that limiting exposure through control of dose reduces the rates of reactions in allergic populations, but its impact on the relative frequency of severe reactions at different doses is unclear...
January 13, 2018: Allergy
https://www.readbyqxmd.com/read/29331045/the-urgent-need-for-a-harmonized-severity-scoring-system-for-acute-allergic-reactions
#6
Antonella Muraro, Montserrat Fernandez-Rivas, Kirsten Beyer, Victòria Cardona, Andrew Clark, Esben Eller, Jonathan O'B Hourihane, Marek Jutel, Aziz Sheikh, Ioana Agache, Katrina J Allen, Liz Angier, Barbara Ballmer-Weber, Maria Beatrice Bilò, Carsten Bindslev-Jensen, Carlos A Camargo, Antonella Cianferoni, Audrey DunnGalvin, Philippe A Eigenmann, Susanne Halken, Karin Hoffmann-Sommergruber, Susanne Lau, Caroline Nilsson, Lars K Poulsen, Franziska Rueff, Jonathan Spergel, Gunter Sturm, Frans Timmermans, Maria J Torres, Paul Turner, Ronald van Ree, Magnus Wickman, Margitta Worm, E N Clare Mills, Graham Roberts
The accurate assessment and communication of the severity of acute allergic reactions is important to patients, clinicians, researchers, the food industry, public health and regulatory authorities. Severity has different meanings to different stakeholders with patients and clinicians rating the significance of particular symptoms very differently. Many severity scoring systems have been generated, most focusing on the severity of reactions following exposure to a limited group of allergens. They are heterogeneous in format, none has used an accepted developmental approach and none has been validated...
January 13, 2018: Allergy
https://www.readbyqxmd.com/read/29330372/non-estrogenic-xanthohumol-derivatives-mitigate-insulin-resistance-and-cognitive-impairment-in-high-fat-diet-induced-obese-mice
#7
Cristobal L Miranda, Lance A Johnson, Oriane de Montgolfier, Valerie D Elias, Lea S Ullrich, Joshua J Hay, Ines L Paraiso, Jaewoo Choi, Ralph L Reed, Johana S Revel, Chrissa Kioussi, Gerd Bobe, Urszula T Iwaniec, Russell T Turner, Benita S Katzenellenbogen, John A Katzenellenbogen, Paul R Blakemore, Adrian F Gombart, Claudia S Maier, Jacob Raber, Jan F Stevens
Xanthohumol (XN), a prenylated flavonoid from hops, improves dysfunctional glucose and lipid metabolism in animal models of metabolic syndrome (MetS). However, its metabolic transformation into the estrogenic metabolite, 8-prenylnaringenin (8-PN), poses a potential health concern for its use in humans. To address this concern, we evaluated two hydrogenated derivatives, α,β-dihydro-XN (DXN) and tetrahydro-XN (TXN), which showed negligible affinity for estrogen receptors α and β, and which cannot be metabolically converted into 8-PN...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29329341/correction-a-century-of-changing-flows-forest-management-changed-flow-magnitudes-and-warming-advanced-the-timing-of-flow-in-a-southwestern-us-river
#8
Marcos D Robles, Dale S Turner, Jeanmarie A Haney
[This corrects the article DOI: 10.1371/journal.pone.0187875.].
2018: PloS One
https://www.readbyqxmd.com/read/29329182/rapid-increase-in-gonorrhea-cases-with-reduced-susceptibility-to-azithromycin-in-columbus-ohio
#9
Jose A Bazan, Mysheika Williams Roberts, Olusegun O Soge, Elizabeth A Torrone, Amanda Dennison, Melissa Ervin, Sopheay Hun, Karen S Fields, Abigail N Turner
No abstract text is available yet for this article.
February 2018: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/29329085/an-integrated-approach-to-assess-the-impacts-of-zinc-pyrithione-at-different-levels-of-biological-organization-in-marine-mussels
#10
Lorna J Dallas, Andrew Turner, Tim P Bean, Brett P Lyons, Awadhesh N Jha
The mechanisms of sublethal toxicity of the antifouling biocide, zinc pyrithione (ZnPT), have not been well-studied. This investigation demonstrates that 14-d sublethal exposure to ZnPT (0.2 or 2 μM, alongside inorganic Zn and sea water controls) is genotoxic to mussel haemocytes but suggests that this is not caused by oxidative DNA damage as no significant induction of oxidised purines was detected by Fpg-modified comet assay. More ecologically relevant endpoints, including decreased clearance rate (CR), cessation of attachment and decreased tolerance of stress on stress (SoS), also showed significant response to ZnPT exposure...
December 27, 2017: Chemosphere
https://www.readbyqxmd.com/read/29327974/the-fda-and-the-us-direct-to-consumer-marketplace-for-stem-cell-interventions-a-temporal-analysis
#11
Paul S Knoepfler, Leigh G Turner
Hundreds of businesses in the US currently advertise a wide range of non-US FDA-approved stem cell interventions. Here we present a novel systematic temporal analysis of US companies engaged in direct-to-consumer marketing of putative stem cell treatments. Between 2009 and 2014, the number of new US stem cell businesses with websites grew rapidly, at least doubling on average every year. From 2014 to 2016, approximately 90-100 new stem cell business websites appeared per year. In contrast, from 2012 to the present, regulatory activity in the form of FDA warning letters has been limited...
January 12, 2018: Regenerative Medicine
https://www.readbyqxmd.com/read/29327151/impact-of-admission-hypertension-on-rates-of-acute-kidney-injury-in-intracerebral-hemorrhage-treated-with-intensive-blood-pressure-control
#12
Hannah Hewgley, Stephen C Turner, Joseph E Vandigo, Jacob Marler, Heather Snyder, Jason J Chang, G Morgan Jones
BACKGROUND: Current guidelines recommend that rapid systolic blood pressure (SBP) lowering to 140 mmHg may be considered in intracerebral hemorrhage (ICH) patients regardless of initial SBP. However, limited safety data exist in patients presenting with varying degrees of severe hypertension. The purpose of this study was to determine whether there was an increased risk of acute kidney injury (AKI) based upon degree of presentation hypertension in ICH patients whose blood pressure was reduced intensively...
January 11, 2018: Neurocritical Care
https://www.readbyqxmd.com/read/29325624/sex-chromosome-aneuploidies
#13
David Skuse, Frida Printzlau, Jeanne Wolstencroft
Sex chromosome aneuploidies comprise a relatively common group of chromosome disorders characterized by the loss or gain of one or more sex chromosomes. We discuss five of the better-known sex aneuploidies: Turner syndrome (XO), Klinefelter syndrome (XXY), trisomy X (XXX), XYY, and XXYY. Despite their prevalence in the general population, these disorders are underdiagnosed and the specific genetic mechanisms underlying their phenotypes are poorly understood. Although there is considerable variation between them in terms of associated functional impairment, each disorder has a characteristic physical, cognitive, and neurologic profile...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29325519/providers-preferences-for-pediatric-oral-health-information-in-the-electronic-health-record-a-cross-sectional-survey
#14
Christopher M Shea, Kea Turner, B Alex White, Ye Zhu, R Gary Rozier
BACKGROUND: The majority of primary care physicians support integration of children's oral health promotion and disease prevention into their practices but can experience challenges integrating oral health services into their workflow. Most electronic health records (EHRs) in primary care settings do not include oral health information for pediatric patients. Therefore, it is important to understand providers' preferences for oral health information within the EHR. The objectives of this study are to assess (1) the relative importance of various elements of pediatric oral health information for primary care providers to have in the EHR and (2) the extent to which practice and provider characteristics are associated with these information preferences...
January 11, 2018: BMC Pediatrics
https://www.readbyqxmd.com/read/29325040/phenotypic-evaluation-and-characterization-of-twenty-one-industrial-saccharomyces-cerevisiae-yeast-strains
#15
In Iok Kong, Timothy Lee Turner, Heejin Kim, Soo Rin Kim, Yong-Su Jin
Microorganisms have been studied and used extensively to produce value-added fuels and chemicals. Yeast, specifically Saccharomyces cerevisiae, receive industrial attention because of their well-known ability to ferment glucose and produce ethanol. Thousands of natural or genetically-modified S. cerevisiae have been found in industrial environments for various purposes. These industrial strains are isolated from industrial fermentation sites and they are considered as potential host strains for superior fermentation processes...
January 9, 2018: FEMS Yeast Research
https://www.readbyqxmd.com/read/29324646/analysis-of-microcystins-in-cyanobacterial-blooms-from-freshwater-bodies-in-england
#16
Andrew D Turner, Monika Dhanji-Rapkova, Alison O'Neill, Lewis Coates, Adam Lewis, Katy Lewis
Cyanobacterial blooms in freshwater bodies in England are currently monitored reactively, with samples containing more than 20,000 cells/mL of potentially toxin-producing species by light microscopy resulting in action by the water body owner. Whilst significantly reducing the risk of microcystin exposure, there is little data describing the levels of these toxins present in cyanobacterial blooms. This study focused on the quantitative LC-MS/MS analysis of microcystins in freshwater samples, collected across England during 2016 and found to contain potentially toxin-producing cyanobacteria...
January 11, 2018: Toxins
https://www.readbyqxmd.com/read/29323556/modality-of-primary-hiv-disclosure-and-association-with-mental-health-stigma-and-antiretroviral-therapy-adherence-in-tanzanian-youth-living-with-hiv
#17
Julia V Ramos, Blandina T Mmbaga, Elizabeth L Turner, Leonia L Rugalabamu, Severa Luhanga, Coleen K Cunningham, Dorothy E Dow
Disclosing HIV status to children before adolescence is a major challenge facing families and healthcare providers. This study used a mixed methods approach to explore the youth perspective of how youth living with HIV (YLHIV) found out their status and to quantify the association of disclosure modality with mental health, stigma, adherence, and HIV outcomes in adolescence. Youth 11-24 years of age attending adolescent HIV clinic in Moshi, Tanzania were included. Adolescents answered questions, including when and how they found out they had HIV, mental health surveys (nine-item Patient Health Questionnaire, Strengths and Difficulties Questionnaire, and modified University of California Los Angeles trauma screen), modified Berger's stigma scale, and self-reported adherence...
January 2018: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/29322816/correction-to-garratt-and-turner-progesterone-for-preventing-pregnancy-termination-after-initiation-of-medical-abortion-with-mifepristone
#18
(no author information available yet)
No abstract text is available yet for this article.
January 11, 2018: European Journal of Contraception & Reproductive Health Care
https://www.readbyqxmd.com/read/29321969/the-two-year-progression-of-structural-and-functional-cerebral-mri-in-amyotrophic-lateral-sclerosis
#19
R A L Menke, M Proudfoot, K Talbot, M R Turner
MRI has emerged as one of several urgently needed candidate disease progression biomarkers for the neurodegenerative disorder amyotrophic lateral sclerosis (ALS), not least due to its unique ability to non-invasively assess structural and functional cerebral pathology. We sought to identify the extent of detectable change in cerebral MRI metrics over a more prolonged period. Analysis of multi-modal MRI data was performed in a cohort of sixteen patients (13 ALS and 3 with primary lateral sclerosis) in whom it was possible to acquire six-monthly images over two years...
2018: NeuroImage: Clinical
https://www.readbyqxmd.com/read/29320756/generation-of-an-induced-pluripotent-stem-cell-line-from-an-adult-male-with-45-x-46-xy-mosaicism
#20
Yumei Luo, Detu Zhu, Xiangye Xu, Lingxia Ge, Xiaofang Sun, Guokai Chen, Yaoyong Chen
Turner syndrome (TS) with 45,X/46,XY mosaic karyotype is a rare sex chromosome disorder with an occurrence of 0.15‰ at birth. We report the generation of an induced pluripotent stem cell (iPSC) line from peripheral blood mononuclear cells of a Chinese adult male with 45,X/46,XY mosaicism. The iPSC line retains the original 45,X/46,XY mosaic karyotype, expresses pluripotency markers and undergoes trilineage differentiation. Therefore, it offers an unprecedented cellular model to investigate the profound symptoms like infertility of TS in the male, and serve as a useful tool to develop therapies for the disease...
January 5, 2018: Stem Cell Research
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