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https://www.readbyqxmd.com/read/29149239/label-free-in-vivo-imaging-of-corneal-lymphatic-vessels-using-microscopic-optical-coherence-tomography
#1
Jens Horstmann, Hinnerk Schulz-Hildebrandt, Felix Bock, Sebastian Siebelmann, Eva Lankenau, Gereon Hüttmann, Philipp Steven, Claus Cursiefen
Purpose: Corneal neovascularization, in particular lymphangiogenesis, is a limiting factor in corneal transplant survival. Novel treatment approaches focus on (selective) inhibition and regression of lymphatic vessels. Imaging clinically invisible corneal lymphatic vessels is a prerequisite for these strategies. Using a murine model, this study investigates whether corneal lymphatic vessels can be imaged using microscopic optical coherence tomography (mOCT). Methods: Corneal neovascularization was induced by intrastromal placement of 11...
November 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29149197/sieve-analysis-of-breakthrough-hiv-1-sequences-in-hvtn-505-identifies-vaccine-pressure-targeting-the-cd4-binding-site-of-env-gp120
#2
Allan C deCamp, Morgane Rolland, Paul T Edlefsen, Eric Sanders-Buell, Breana Hall, Craig A Magaret, Andrew J Fiore-Gartland, Michal Juraska, Lindsay N Carpp, Shelly T Karuna, Meera Bose, Steven LePore, Shana Miller, Annemarie O'Sullivan, Kultida Poltavee, Hongjun Bai, Kalpana Dommaraju, Hong Zhao, Kim Wong, Lennie Chen, Hasan Ahmed, Derrick Goodman, Matthew Z Tay, Raphael Gottardo, Richard A Koup, Robert Bailer, John R Mascola, Barney S Graham, Mario Roederer, Robert J O'Connell, Nelson L Michael, Merlin L Robb, Elizabeth Adams, Patricia D'Souza, James Kublin, Lawrence Corey, Daniel E Geraghty, Nicole Frahm, Georgia D Tomaras, M Juliana McElrath, Lisa Frenkel, Sheila Styrchak, Sodsai Tovanabutra, Magdalena E Sobieszczyk, Scott M Hammer, Jerome H Kim, James I Mullins, Peter B Gilbert
Although the HVTN 505 DNA/recombinant adenovirus type 5 vector HIV-1 vaccine trial showed no overall efficacy, analysis of breakthrough HIV-1 sequences in participants can help determine whether vaccine-induced immune responses impacted viruses that caused infection. We analyzed 480 HIV-1 genomes sampled from 27 vaccine and 20 placebo recipients and found that intra-host HIV-1 diversity was significantly lower in vaccine recipients (P ≤ 0.04, Q-values ≤ 0.09) in Gag, Pol, Vif and envelope glycoprotein gp120 (Env-gp120)...
2017: PloS One
https://www.readbyqxmd.com/read/29148769/azetidine-and-piperidine-carbamates-as-efficient-covalent-inhibitors-of-monoacylglycerol-lipase
#3
Christopher R Butler, Elizabeth M Beck, Anthony R Harris, Zhen Huang, Laura A McAllister, Christopher W Am Ende, Kimberly F Fennell, Timothy L Foley, Kari R Fonseca, Steven J Hawrylik, Douglas S Johnson, John D Knafels, Scot Mente, Stephen Noell, Jayvardhan Pandit, Tracy B Phillips, Justin R Piro, Bruce N Rogers, Tarek A Samad, Jane Wang, Shuangyi Wan, Michael A Brodney
Monoacylglycerol lipase (MAGL) is the main enzyme responsible for degradation of the endocannabinoid 2-arachidonoylglycerol (2-AG) in the CNS. MAGL catalyzes the conversion of 2-AG to arachidonic acid (AA), a precursor to the pro-inflammatory eicosannoids such as prostaglandins. Herein we describe highly efficient MAGL inhibitors, identified through a parallel medicinal chemistry approach that highlighted the improved efficiency of azetidine and piperidine-derived carbamates. The discovery and optimization of 3-substituted azetidine carbamate irreversible inhibitors of MAGL was aided by the generation of inhibitor-bound MAGL crystal structures...
November 17, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29147961/spatiotemporal-competition-and-task-relevance-shape-the-spatial-distribution-of-emotional-interference-during-rapid-visual-processing-evidence-from-gaze-contingent-eye-tracking
#4
Briana L Kennedy, Daniel Pearson, David J Sutton, Tom Beesley, Steven B Most
People's ability to perceive rapidly presented targets can be disrupted both by voluntary encoding of a preceding target and by spontaneous attention to salient distractors. Distinctions between these sources of interference can be found when people search for a target in multiple rapid streams instead of a single stream: voluntary encoding of a preceding target often elicits subsequent perceptual lapses across the visual field, whereas spontaneous attention to emotionally salient distractors appears to elicit a spatially localized lapse, giving rise to a theoretical account suggesting that emotional distractors and subsequent targets compete spatiotemporally during rapid serial visual processing...
November 16, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/29146853/genome-sequences-of-four-subcluster-l2-mycobacterium-phages-finemlucis-miley16-wilder-and-zakai
#5
Christopher D Herren, Alexandra Peister, Timothy S Breton, Maggie S Hill, Marcy S Anderson, Adeline W Chang, Sydney B Klein, Mackenzie M Thornton, Stacy J Vars, Kasey E Wagner, Paige L Wiebe, Thomas G Williams, Coraima P Yanez, Jasanta M Ackles, Darius Artis, Ryan J Brazier, Ronald J Bryant, Kerel O Callwood, Isaiah H Carter, Cameron L DeBose, Christian D Edwards, Isaiah C Ezemba, Renshal R Joaquin, Zakai M Meghoo-Peddie, Ziha G Meghoo-Peddie, Ryan W Moore, Christopher E Smith, Adam J Turner, Raymond L Vorters, Jeffrey J Wider, Liesel L Krout, Mia S Comis, Madison J Davick, Eli E Michaud, Bailey E Shevenell, Sarah E Stanley, Chelsey I Frank, Jacob R Montgomery, Lawrence S Blumer, Jean A Doty, Martha Smith-Caldas, Welkin H Pope, Steven G Cresawn, Daniel A Russell, Rebecca A Garlena, Deborah Jacobs-Sera, Graham F Hatfull
Four subcluster L2 mycobacteriophages, Finemlucis, Miley16, Wilder, and Zakai, that infect Mycobacterium smegmatis mc(2)155 were isolated. The four phages are closely related to each other and code for 12 to 14 tRNAs and 130 to 132 putative protein-coding genes, including tyrosine integrases, cro, immunity repressors, and excise genes involved in the establishment of lysogeny.
November 16, 2017: Genome Announcements
https://www.readbyqxmd.com/read/29146842/genome-sequences-of-19-novel-erwinia-amylovora-bacteriophages
#6
Ian N D Esplin, Jordan A Berg, Ruchira Sharma, Robert C Allen, Daniel K Arens, Cody R Ashcroft, Shannon R Bairett, Nolan J Beatty, Madeline Bickmore, Travis J Bloomfield, T Scott Brady, Rachel N Bybee, John L Carter, Minsey C Choi, Steven Duncan, Christopher P Fajardo, Brayden B Foy, David A Fuhriman, Paul D Gibby, Savannah E Grossarth, Kala Harbaugh, Natalie Harris, Jared A Hilton, Emily Hurst, Jonathan R Hyde, Kayleigh Ingersoll, Caitlin M Jacobson, Brady D James, Todd M Jarvis, Daniella Jaen-Anieves, Garrett L Jensen, Bradley K Knabe, Jared L Kruger, Bryan D Merrill, Jenny A Pape, Ashley M Payne Anderson, David E Payne, Malia D Peck, Samuel V Pollock, Micah J Putnam, Ethan K Ransom, Devin B Ririe, David M Robinson, Spencer L Rogers, Kerri A Russell, Jonathan E Schoenhals, Christopher A Shurtleff, Austin R Simister, Hunter G Smith, Michael B Stephenson, Lyndsay A Staley, Jason M Stettler, Mallorie L Stratton, Olivia B Tateoka, P J Tatlow, Alexander S Taylor, Suzanne E Thompson, Michelle H Townsend, Trever L Thurgood, Brittian K Usher, Kiara V Whitley, Andrew T Ward, Megan E H Ward, Charles J Webb, Trevor M Wienclaw, Taryn L Williamson, Michael J Wells, Cole K Wright, Donald P Breakwell, Sandra Hope, Julianne H Grose
Erwinia amylovora is the causal agent of fire blight, a devastating disease affecting some plants of the Rosaceae family. We isolated bacteriophages from samples collected from infected apple and pear trees along the Wasatch Front in Utah. We announce 19 high-quality complete genome sequences of E. amylovora bacteriophages.
November 16, 2017: Genome Announcements
https://www.readbyqxmd.com/read/29146290/sustained-opioid-antagonism-modulates-striatal-sensitivity-to-baby-schema-in-opioid-use-disorder
#7
An-Li Wang, Steven B Lowen, Igor Elman, Zhenhao Shi, Victoria P Fairchild, Alexander Bouril, Ruben C Gur, Daniel D Langleben
BACKGROUND: Chronic opioid misuse is associated with reduced sensitivity to natural rewards and social motivation deficits that include impaired caregiving. The neurobiological mechanisms underlying these deficits and their response to treatment are not well understood. Baby schema (Kindchenschema) is a set of juvenile physical features, which is perceived as "cute" and triggers motivation for caregiving. Recent studies suggest that the "baby schema effect" is mediated by the brain "reward" network...
October 18, 2017: Journal of Substance Abuse Treatment
https://www.readbyqxmd.com/read/29145742/improving-mechanical-thrombectomy-time-metrics-in-the-angiography-suite-stroke-cart-parallel-workflows-and-conscious-sedation
#8
Fabio Settecase, David B McCoy, Robert Darflinger, Matthew D Alexander, Daniel L Cooke, Christopher F Dowd, Steven W Hetts, Randall T Higashida, Van V Halbach, Matthew R Amans
Purpose Earlier reperfusion of large-vessel occlusion (LVO) stroke improves functional outcomes. We hypothesize that use of a stroke cart in the angiography suite, containing all commonly used procedural equipment in a mechanical thrombectomy, combined with parallel staff workflows, and use of conscious sedation when possible, improve mechanical thrombectomy time metrics. Methods We identified 47 consecutive LVO patients who underwent mechanical thrombectomy at our center, retrospectively and prospectively from implementation of these three workflow changes (19 pre- and 28 post-)...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29145578/the-changing-paradigm-of-management-of-liver-abscesses-in-chronic-granulomatous-disease
#9
David M Straughan, Kaitlin C McLoughlin, John E Mullinax, Beatriz E Marciano, Alexandra F Freeman, Victoria L Anderson, Gulbu Uzel, Sa D C Azoury, Rebecca Sorber, Humair S Quadri, Harry L Malech, Suk See DeRavin, Natasha Kamal, Christopher Koh, Christa S Zerbe, Douglas B Kuhns, John I Gallin, Theo Heller, Steven M Holland, Udo Rudloff
Background: Chronic granulomatous disease (CGD) is a rare genetic disorder causing recurrent infections. Over one quarter of patients develop hepatic abscesses and liver dysfunction. Recent reports suggest disease-modifying treatment with corticosteroids is effective for these abscesses. Comparison of corticosteroid therapy to traditional invasive treatments has not been performed. Methods: Records of 268 patients with CGD treated at the National Institutes of Health (NIH) from 1980 to 2014 were reviewed...
November 14, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29145390/morphological-and-molecular-characterization-of-brazilian-populations-of-diatraea-saccharalis-fabricius-1794-lepidoptera-crambidae-and-the-evolutionary-relationship-among-species-of-diatraea-guilding
#10
Fabricio J B Francischini, Jaqueline Bueno de Campos, Alessandro Alves-Pereira, João Paulo Gomes Viana, Christopher C Grinter, Steven J Clough, Maria I Zucchi
The sugarcane borer or corn stalk borer, Diatraea Guilding is polyphagous insect pest of many important crops such as corn, sorghum and sugarcane. Losses arising from the attack of Diatraea species have been a serious problem, which may cause loss in sugarcane production around 0.25% in sugar, 0.20% in alcohol and 0.77% of body weight for every 1% infestation and up to 21% in corn production fields. In Brazil, the most commonly reported species are Diatraea saccharalis (Fabricius, 1794) and Diatraea impersonatella (Walker, 1863) (= D...
2017: PloS One
https://www.readbyqxmd.com/read/29144165/gene-therapy-evidence-value-and-affordability-in-the-us-health-care-system
#11
Grace Hampson, Adrian Towse, Steven D Pearson, William B Dreitlein, Chris Henshall
AIMS: To explore the challenges presented by gene therapies, discuss potential solutions, and present policy recommendations. METHODS: A review of the literature and series of expert interviews were conducted and discussed at a Policy Forum convened by The Institute for Clinical and Economic Review (ICER). The Policy Forum was attended by independent experts and senior representatives from 20 payer organizations and life sciences companies. RESULTS: Three categories of challenges are identified: evidence generation, assessing value and affordability...
November 16, 2017: Journal of Comparative Effectiveness Research
https://www.readbyqxmd.com/read/29142301/alteration-of-the-intestinal-microbiome-characterizes-preclinical-inflammatory-arthritis-in-mice-and-its-modulation-attenuates-established-arthritis
#12
Rebecca Rogier, Heather Evans-Marin, Julia Manasson, Peter M van der Kraan, Birgitte Walgreen, Monique M Helsen, Liduine A van den Bersselaar, Fons A van de Loo, Peter L van Lent, Steven B Abramson, Wim B van den Berg, Marije I Koenders, Jose U Scher, Shahla Abdollahi-Roodsaz
Perturbations of the intestinal microbiome have been observed in patients with new-onset and chronic autoimmune inflammatory arthritis. However, it is currently unknown whether these alterations precede the development of arthritis or are rather a consequence of disease. Modulation of intestinal microbiota by oral antibiotics or germ-free condition can prevent arthritis in mice. Yet, the therapeutic potential of modulation of the microbiota after the onset of arthritis is not well characterized. We here show that the intestinal microbial community undergoes marked changes in the preclinical phase of collagen induced arthritis (CIA)...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29141849/polycystic-ovary-syndrome-oligomenorrhea-and-risk-of-ovarian-cancer-histotypes-evidence-from-the-ovarian-cancer-association-consortium
#13
Holly R Harris, Ana Babic, Penelope M Webb, Christina M Nagle, Susan J Jordan, Harvey A Risch, Mary Anne Rossing, Jennifer A Doherty, Marc T Goodman, Francesmary Modugno, Roberta B Ness, Kirsten B Moysich, Susanne K Kjaer, Estrid Høgdall, Allan Jensen, Joellen M Schildkraut, Andrew Berchuck, Daniel W Cramer, Elisa V Bandera, Nicolas Wentzensen, Joanne Kotsopoulos, Steven A Narod, Catherine M Phelan, John R McLaughlin, Hoda Anton-Culver, Argyrios Ziogas, Celeste Leigh Pearce, Anna H Wu, Kathryn L Terry
BACKGROUND: Polycystic ovary syndrome (PCOS), and one if its distinguishing characteristics, oligomenorrhea, have both been associated with ovarian cancer risk in some but not all studies. However, these associations have been rarely been examined by ovarian cancer histotypes which may explain the lack of clear associations reported in previous studies. METHODS: We analyzed data from 14 case-control studies including 16,594 women with invasive ovarian cancer (n=13,719) or borderline ovarian disease (n=2,875) and 17,718 controls...
November 15, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29140974/physician-patient-communication-about-overactive-bladder-results-of-an-observational-sociolinguistic-study
#14
Steven R Hahn, Pamela Bradt, Kathleen A Hewett, Daniel B Ng
INTRODUCTION: Overactive bladder (OAB) and urinary incontinence are common problems that have significant impact on quality of life (QOL). Less than half of sufferers seek help from their physicians; many who do are dissatisfied with treatment and their physicians' understanding of their problems. Little is known about the sociolinguistic characteristics of physician-patient communication about OAB in community practice. METHODS: An IRB-approved observational sociolinguistic study of dialogues between patients with OAB and treating physicians was conducted...
2017: PloS One
https://www.readbyqxmd.com/read/29140927/clinical-trial-designs-and-models-for-analgesic-medications-for-acute-pain-in-neonates-infants-toddlers-children-and-adolescents-acttion-recommendations
#15
Gary A Walco, Ernest A Kopecky, Steven J Weisman, Jennifer Stinson, Bonnie Stevens, Paul J Desjardins, Charles B Berde, Elliot J Krane, Kanwaljeet Js Anand, Myron Yaster, Carlton D Dampier, Robert H Dworkin, Ian Gilron, Anne M Lynn, Lynne G Maxwell, Srinivasa Raja, Bernard Schachtel, Dennis C Turk
Clinical trials to test the safety and efficacy of analgesics across all pediatric age cohorts are needed to avoid inappropriate extrapolation of adult data to children. However, the selection of acute pain models and trial design attributes to maximize assay sensitivity, by pediatric age cohort, remains problematic. Acute pain models used for drug treatment trials in adults are not directly applicable to the pediatric age cohorts - neonates, infants, toddlers, children, and adolescents. Developmental maturation of metabolic enzymes in infants and children must be taken into consideration when designing trials to test analgesic treatments for acute pain...
November 13, 2017: Pain
https://www.readbyqxmd.com/read/29140820/renal-effects-of-cytokines-in-hypertension
#16
Yi Wen, Steven D Crowley
PURPOSE OF REVIEW: Inflammatory cytokines contribute to the pathogenesis of hypertension through effects on renal blood flow and sodium handling. This review will update recent advances that explore the renal actions of immune cells and cytokines in the pathogenesis of hypertension. RECENT FINDINGS: Populations of cells from both the innate and adaptive immune systems contribute to hypertension by modulating functions of the vasculature and epithelial cells in the kidney...
November 14, 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29140724/the-significance-of-eosinophilic-inflammation-in-copd
#17
Christopher B Cooper, Guy Brusselle, Steven J Pascoe, Ian D Pavord
No abstract text is available yet for this article.
November 15, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29138423/the-photocycle-of-orange-carotenoid-protein-conceals-distinct-intermediates-and-asynchronous-changes-in-the-carotenoid-and-protein-components
#18
E G Maksimov, N N Sluchanko, Y B Slonimskiy, E A Slutskaya, A V Stepanov, A M Argentova-Stevens, E A Shirshin, G V Tsoraev, K E Klementiev, O V Slatinskaya, E P Lukashev, T Friedrich, V Z Paschenko, A B Rubin
The 35-kDa Orange Carotenoid Protein (OCP) is responsible for photoprotection in cyanobacteria. It acts as a light intensity sensor and efficient quencher of phycobilisome excitation. Photoactivation triggers large-scale conformational rearrangements to convert OCP from the orange OCP(O) state to the red active signaling state, OCP(R), as demonstrated by various structural methods. Such rearrangements imply a complete, yet reversible separation of structural domains and translocation of the carotenoid. Recently, dynamic crystallography of OCP(O) suggested the existence of photocycle intermediates with small-scale rearrangements that may trigger further transitions...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29137723/the-promise-and-problems-of-non-physician-practitioners-in-general-surgery-education-results-of-a-multi-center-mixed-methods-study-of-faculty
#19
James E Coverdill, Jeff Scott Shelton, Adnan Alseidi, David C Borgstrom, Daniel L Dent, Russell Dumire, Jonathan Fryer, Thomas H Hartranft, Steven B Holsten, M Timothy Nelson, Mohsen M Shabahang, Stanley R Sherman, Paula M Termuhlen, Randy J Woods, John D Mellinger
BACKGROUND: Nurse Practitioners and Physician Assistants - called non-physician practitioners or NPPs - are common, but little is known about their educational promise and problems. METHODS: General surgery faculty in 13 residency programs were surveyed (N = 279 with a 71% response rate) and interviewed (N = 43) about experiences with NPPs. The survey documents overall patterns and differences by program type and primary service; interviews point to deeper rationales and concerns...
November 5, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/29137655/can-integrating-the-memory-support-intervention-into-cognitive-therapy-improve-depression-outcome-study-protocol-for-a-randomized-controlled-trial
#20
Allison G Harvey, Lu Dong, Jason Y Lee, Nicole B Gumport, Steven D Hollon, Sophia Rabe-Hesketh, Kerrie Hein, Kirsten Haman, Mary E McNamara, Claire Weaver, Armando Martinez, Haruka Notsu, Garret Zieve, Courtney C Armstrong
BACKGROUND: The Memory Support Intervention was developed in response to evidence showing that: (1) patient memory for treatment is poor, (2) poor memory for treatment is associated with poorer adherence and poorer outcome, (3) the impact of memory impairment can be minimized by the use of memory support strategies and (4) improved memory for treatment improves outcome. The aim of this study protocol is to conduct a confirmatory efficacy trial to test whether the Memory Support Intervention improves illness course and functional outcomes...
November 14, 2017: Trials
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