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Amel Dudakovic, Emily T Camilleri, Scott M Riester, Christopher R Paradise, Martina Gluscevic, Thomas M O'Toole, Roman Thaler, Jared M Evans, Huihuang Yan, Malayannan Subramaniam, John R Hawse, Gary S Stein, Martin A Montecino, Meghan E McGee-Lawrence, Jennifer J Westendorf, Andre J van Wijnen
Perturbations in skeletal development and bone degeneration may result in reduced bone mass and quality leading to greater fracture risk. Bone loss is mitigated by bone protective therapies, but there is a clinical need for new bone-anabolic agents. Previous work has demonstrated that enhancer of zeste homolog 2 (Ezh2), a histone 3 lysine 27 (H3K27) methyltransferase, suppressed differentiation of osteogenic progenitors. Here, we investigated if inhibition of Ezh2 can be leveraged for bone stimulatory applications...
October 10, 2016: Journal of Biological Chemistry
Michael J Murray, Heidi DeBlock, Brian Erstad, Anthony Gray, Judi Jacobi, Che Jordan, William McGee, Claire McManus, Maureen Meade, Sean Nix, Andrew Patterson, M Karen Sands, Richard Pino, Ann Tescher, Richard Arbour, Bram Rochwerg, Catherine Friederich Murray, Sangeeta Mehta
OBJECTIVE: To update the 2002 version of "Clinical practice guidelines for sustained neuromuscular blockade in the adult critically ill patient." DESIGN: A Task Force comprising 17 members of the Society of Critical Medicine with particular expertise in the use of neuromuscular-blocking agents; a Grading of Recommendations Assessment, Development, and Evaluation expert; and a medical writer met via teleconference and three face-to-face meetings and communicated via e-mail to examine the evidence and develop these practice guidelines...
November 2016: Critical Care Medicine
Melissa Whitfield Aslund, Michael Winchell, Lisa Bowers, Sean McGee, Jane Tang, Lauren Padilla, Colleen Greer, Loren Knopper, Dwayne R J Moore
A probabilistic ecological risk assessment (ERA) was conducted to determine the potential effects of acute and chronic exposure of aquatic invertebrate communities to imidacloprid arising from labeled agricultural and non-agricultural uses in the United States. Aquatic exposure estimates were derived using a higher tier refined modeling approach that accounts for realistic variability in environmental and agronomic factors. Toxicity was assessed using refined acute and chronic community-level effect metrics for aquatic invertebrates (i...
October 18, 2016: Environmental Toxicology and Chemistry
Dziyana Hnedzko, Dennis W McGee, Yannis A Karamitas, Eriks Rozners
Sequence-selective recognition of complex RNAs in live cells could find broad applications in biology, biomedical research and biotechnology. However, specific recognition of structured RNA is challenging and generally applicable and effective methods are lacking. Recently, we found that peptide nucleic acids (PNAs) were unusually well suited ligands for recognition of double-stranded RNAs. Herein, we report that 2-aminopyridine (M) modified PNAs and their conjugates with lysine and arginine tripeptides form strong (Ka = 9...
October 14, 2016: RNA
Trey K Sato, Mary Tremaine, Lucas S Parreiras, Alexander S Hebert, Kevin S Myers, Alan J Higbee, Maria Sardi, Sean J McIlwain, Irene M Ong, Rebecca J Breuer, Ragothaman Avanasi Narasimhan, Mick A McGee, Quinn Dickinson, Alex La Reau, Dan Xie, Mingyuan Tian, Jennifer L Reed, Yaoping Zhang, Joshua J Coon, Chris Todd Hittinger, Audrey P Gasch, Robert Landick
The inability of native Saccharomyces cerevisiae to convert xylose from plant biomass into biofuels remains a major challenge for the production of renewable bioenergy. Despite extensive knowledge of the regulatory networks controlling carbon metabolism in yeast, little is known about how to reprogram S. cerevisiae to ferment xylose at rates comparable to glucose. Here we combined genome sequencing, proteomic profiling, and metabolomic analyses to identify and characterize the responsible mutations in a series of evolved strains capable of metabolizing xylose aerobically or anaerobically...
October 2016: PLoS Genetics
G B Mezgebo, A P Moloney, E G O'Riordan, M McGee, R I Richardson, F J Monahan
Bull beef production is traditionally based on high concentrate rations fed indoors. Inclusion of grazed grass, which is generally a cheaper feed, would decrease the cost of bull beef production, but may affect beef quality. Accordingly, the organoleptic quality and composition of beef from continental-sired suckler bulls (n=126) assigned to either ad libitum concentrates to slaughter (C), grass silage (GS) ad libitum for 120 days followed by C (GSC) or GS followed by 100 days at pasture and then C (GSPC) and slaughtered at target carcass weights (CW) of 360, 410 or 460 kg was examined...
October 3, 2016: Animal: An International Journal of Animal Bioscience
Pablo J Enriori, Weiyi Chen, Maria C Garcia-Rudaz, Bernadette E Grayson, Anne E Evans, Sarah M Comstock, Ursel Gebhardt, Hermann L Müller, Thomas Reinehr, Belinda A Henry, Russell D Brown, Clinton R Bruce, Stephanie E Simonds, Sara A Litwak, Sean L McGee, Serge Luquet, Sarah Martinez, Martin Jastroch, Matthias H Tschöp, Matthew J Watt, Iain J Clarke, Christian L Roth, Kevin L Grove, Michael A Cowley
OBJECTIVE: Central melanocortin pathways are well-established regulators of energy balance. However, scant data exist about the role of systemic melanocortin peptides. We set out to determine if peripheral α-melanocyte stimulating hormone (α-MSH) plays a role in glucose homeostasis and tested the hypothesis that the pituitary is able to sense a physiological increase in circulating glucose and responds by secreting α-MSH. METHODS: We established glucose-stimulated α-MSH secretion using humans, non-human primates, and mouse models...
October 2016: Molecular Metabolism
G M Strain, A J Rosado Martinez, K A McGee, C L McMillan
Recordings of distortion product otoacoustic emissions (DPOAE) were taken from 28 geriatric dogs aged 12.2 ± 2.2 years and 15 control dogs aged 5.9 ± 3.0 years (mean ± standard deviation) to demonstrate frequency-specific changes in cochlear responses. Recordings were performed for primary frequencies of 2-12 kHz in 2 kHz increments. Brainstem auditory evoked response (BAER) recordings were also made from geriatric dogs for comparison with DPOAE responses. Significant decreases in DPOAE response amplitudes were observed at frequencies of 6-12 kHz in geriatric dogs compared to control dogs, reflecting loss of cochlear outer hair cells along the length of the cochlea...
October 2016: Veterinary Journal
Mindy I Davis, Rajan Pragani, Jennifer T Fox, Min Shen, Kalindi Parmar, Emily F Gaudiano, Li Liu, Cordelle Tanega, Lauren McGee, Matthew David Hall, Crystal McKnight, Paul Shinn, Henrike Nelson, Debasish Chattopadhyay, Alan D D'Andrea, Douglas S Auld, Larry J DeLucas, Zhuyin Li, Matthew B Boxer, Anton Simeonov
Deubiquitinases are important components of the protein degradation regulatory network. We report the discovery of ML364, a small molecule inhibitor of the deubiquitinase USP2 and its use to interrogate the biology of USP2 and its putative substrate Cyclin D1. ML364 has an IC50 of 1.1 uM in a biochemical assay using an internally quenched fluorescent di-ubiquitin substrate. Direct binding of ML364 to USP2 was demonstrated using microscale thermophoresis. ML364 induced an increase in cellular Cyclin D1 degradation and caused cell-cycle arrest as shown in western blots and flow cytometry assays utilizing both mino and HCT116 cancer cell lines...
September 28, 2016: Journal of Biological Chemistry
B S Hoppe, C E Hill-Kayser, Y D Tseng, S Flampouri, H Elmongy, O Cahlon, N P Mendenhall, A Maity, L A McGee, J P Plastaras
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
W F Hartsell, V Gondi, L A McGee, S M Niles, S Schmidt, J H C Chang, M Pankuch
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
M Pankuch, M Gao, S Gans, D Kaplan, S Schmidt, L A McGee, J H C Chang, W F Hartsell, O Cahlon, S MacDonald, H M Lu
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
A R Powers, R D Sheu, H M McGee, R G Stock
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
L A McGee, N Badar, Z Iftekaruddin, J H C Chang, V Gondi, S Schmidt, D Kaplan, S Gans, M Pankuch, W F Hartsell
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
H M McGee, M King, A Olson, E Kim, A Fischman, M Schwartz, K Rosenzweig, M Buckstein
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
Jason C Immekus, Dean McGee
Student effort on large-scale assessments has important implications on the interpretation and use of scores to guide decisions. Within the United States, English Language Learners (ELLs) generally are outperformed on large-scale assessments by non-ELLs, prompting research to examine factors associated with test performance. There is a gap in the literature regarding the test-taking motivation of ELLs compared to non-ELLs and whether existing measures have similar psychometric properties across groups. The Student Opinion Scale (SOS; Sundre, 2007) was designed to be administered after completion of a large-scale assessment to operationalize students' test-taking motivation...
2016: Frontiers in Psychology
Asha Rani, Ravi Ranjan, Halvor S McGee, Kalista E Andropolis, Dipti V Panchal, Zahraa Hajjiri, Daniel C Brennan, Patricia W Finn, David L Perkins
Recent studies have established that a complex community of microbes colonize the human urinary tract; however, their role in kidney transplant patients treated with prophylactic antibiotics remains poorly investigated. Our aim was to investigate the urinary microbiome of kidney transplant recipients. Urine samples from 21 patients after kidney transplantation and 8 healthy controls were collected. All patients received prophylactic treatment with the antibiotic combination trimethoprim-sulfamethoxazole. Metagenomic DNA was isolated from urine samples, sequenced using shotgun sequencing approach on Illumina HiSeq 2000 platform, and analyzed for microbial taxonomic and functional annotations...
September 9, 2016: Translational Research: the Journal of Laboratory and Clinical Medicine
Estela Chen Gonzalez, Jean Suh McGee
In cutaneous research, we aim to study the molecular signature of a diseased tissue. However, such a study is met with obstacles due to the inherent heterogeneous nature of tissues because multiple cell types reside within a tissue. Furthermore, there is cellular communication between the tissue and the neighboring extracellular matrix. Laser capture microdissection is a powerful technique that allows researchers to isolate cells of interest from any tissue using a laser source under microscopic visualization, thereby circumventing the issue of tissue heterogeneity...
October 2016: Journal of Investigative Dermatology
Cynthia L Gay, Sarah J Willis, Anna B Cope, JoAnn D Kuruc, Kara S Mcgee, Joe Sebastian, Amanda M Crooks, Mehri S Mckellar, David M Margolis, Susan A Fiscus, Charles B Hicks, Guido Ferrari, Joseph J Eron
BACKGROUND: Updated guidelines recommend immediate antiretroviral treatment (ART) during acute HIV infection (AHI), but efficacy data on regimens during AHI are limited. METHODS: We provide final data on a prospective, single-arm 96-week open label study of once daily emtricitabine/tenofovir/efavirenz initiated during AHI. The primary endpoint was the proportion of responders with HIV RNA <200 copies/mL by week 24. We examined time-to-viral-suppression, retention and CD8 cell activation through week 96 in relation to baseline characteristics...
September 20, 2016: AIDS
Shakir D Alsharari, Deniz Bagdas, Hamid I Akbarali, Patraic A Lichtman, Erinn S Raborn, Guy A Cabral, F Ivy Carroll, Elizabeth A McGee, M Imad Damaj
INTRODUCTION: α7 nicotinic acetylcholine receptors (nAChRs) play an important role in vagus nerve-based cholinergic anti-inflammatory effects. This study was designed to assess the role of α7 nAChRs in DSS-induced colitis in male and female mouse. We first compared disease activity and pathogenesis of colitis in α7 knock-out (KO) and wild-type (WT) mice. We then evaluated the effect of several α7 direct and indirect agonists on the severity of disease in the DSS (dextran sodium sulfate)-induced colitis...
September 17, 2016: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
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