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https://www.readbyqxmd.com/read/28100832/reporter-gene-imaging-of-targeted-t-cell-immunotherapy-in-recurrent-glioma
#1
Khun Visith Keu, Timothy H Witney, Shahriar Yaghoubi, Jarrett Rosenberg, Anita Kurien, Rachel Magnusson, John Williams, Frezghi Habte, Jamie R Wagner, Stephen Forman, Christine Brown, Martin Allen-Auerbach, Johannes Czernin, Winson Tang, Michael C Jensen, Behnam Badie, Sanjiv S Gambhir
High-grade gliomas are aggressive cancers that often become rapidly fatal. Immunotherapy using CD8(+) cytotoxic T lymphocytes (CTLs), engineered to express both herpes simplex virus type 1 thymidine kinase (HSV1-TK) and interleukin-13 (IL-13) zetakine chimeric antigen receptor (CAR), is a treatment strategy with considerable potential. To optimize this and related immunotherapies, it would be helpful to monitor CTL viability and trafficking to glioma cells. We show that noninvasive positron emission tomography (PET) imaging with 9-[4-[(18)F]fluoro-3-(hydroxymethyl)butyl]guanine ([(18)F]FHBG) can track HSV1-tk reporter gene expression present in CAR-engineered CTLs...
January 18, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28099853/a-tissue-mapped-axolotl-de-novo-transcriptome-enables-identification-of-limb-regeneration-factors
#2
Donald M Bryant, Kimberly Johnson, Tia DiTommaso, Timothy Tickle, Matthew Brian Couger, Duygu Payzin-Dogru, Tae J Lee, Nicholas D Leigh, Tzu-Hsing Kuo, Francis G Davis, Joel Bateman, Sevara Bryant, Anna R Guzikowski, Stephanie L Tsai, Steven Coyne, William W Ye, Robert M Freeman, Leonid Peshkin, Clifford J Tabin, Aviv Regev, Brian J Haas, Jessica L Whited
Mammals have extremely limited regenerative capabilities; however, axolotls are profoundly regenerative and can replace entire limbs. The mechanisms underlying limb regeneration remain poorly understood, partly because the enormous and incompletely sequenced genomes of axolotls have hindered the study of genes facilitating regeneration. We assembled and annotated a de novo transcriptome using RNA-sequencing profiles for a broad spectrum of tissues that is estimated to have near-complete sequence information for 88% of axolotl genes...
January 17, 2017: Cell Reports
https://www.readbyqxmd.com/read/28097771/solution-synthesis-structure-and-co2-reduction-reactivity-of-a-scandium-ii-complex-sc-n-sime3-2-3
#3
David H Woen, Guo P Chen, Joseph W Ziller, Timothy J Boyle, Filipp Furche, William J Evans
The first crystallographically characterizable complex of Sc(2+) , [Sc(NR2 )3 ](-) (R=SiMe3 ), has been obtained by LnA3 /M reactions (Ln=rare earth metal; A=anionic ligand; M=alkali metal) involving reduction of Sc(NR2 )3 with K in the presence of 2.2.2-cryptand (crypt) and 18-crown-6 (18-c-6) and with Cs in the presence of crypt. Dark maroon [K(crypt)](+) , [K(18-c-6)](+) , and [Cs(crypt)](+) salts of the [Sc(NR2 )3 ](-) anion are formed, respectively. The formation of this oxidation state of Sc is also indicated by the eight-line EPR spectra arising from the I=7/2 (45) Sc nucleus...
January 18, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28094794/diversity-and-carbon-storage-across-the-tropical-forest-biome
#4
Martin J P Sullivan, Joey Talbot, Simon L Lewis, Oliver L Phillips, Lan Qie, Serge K Begne, Jerôme Chave, Aida Cuni-Sanchez, Wannes Hubau, Gabriela Lopez-Gonzalez, Lera Miles, Abel Monteagudo-Mendoza, Bonaventure Sonké, Terry Sunderland, Hans Ter Steege, Lee J T White, Kofi Affum-Baffoe, Shin-Ichiro Aiba, Everton Cristo de Almeida, Edmar Almeida de Oliveira, Patricia Alvarez-Loayza, Esteban Álvarez Dávila, Ana Andrade, Luiz E O C Aragão, Peter Ashton, Gerardo A Aymard C, Timothy R Baker, Michael Balinga, Lindsay F Banin, Christopher Baraloto, Jean-Francois Bastin, Nicholas Berry, Jan Bogaert, Damien Bonal, Frans Bongers, Roel Brienen, José Luís C Camargo, Carlos Cerón, Victor Chama Moscoso, Eric Chezeaux, Connie J Clark, Álvaro Cogollo Pacheco, James A Comiskey, Fernando Cornejo Valverde, Eurídice N Honorio Coronado, Greta Dargie, Stuart J Davies, Charles De Canniere, Marie Noel Djuikouo K, Jean-Louis Doucet, Terry L Erwin, Javier Silva Espejo, Corneille E N Ewango, Sophie Fauset, Ted R Feldpausch, Rafael Herrera, Martin Gilpin, Emanuel Gloor, Jefferson S Hall, David J Harris, Terese B Hart, Kuswata Kartawinata, Lip Khoon Kho, Kanehiro Kitayama, Susan G W Laurance, William F Laurance, Miguel E Leal, Thomas Lovejoy, Jon C Lovett, Faustin Mpanya Lukasu, Jean-Remy Makana, Yadvinder Malhi, Leandro Maracahipes, Beatriz S Marimon, Ben Hur Marimon Junior, Andrew R Marshall, Paulo S Morandi, John Tshibamba Mukendi, Jaques Mukinzi, Reuben Nilus, Percy Núñez Vargas, Nadir C Pallqui Camacho, Guido Pardo, Marielos Peña-Claros, Pascal Pétronelli, Georgia C Pickavance, Axel Dalberg Poulsen, John R Poulsen, Richard B Primack, Hari Priyadi, Carlos A Quesada, Jan Reitsma, Maxime Réjou-Méchain, Zorayda Restrepo, Ervan Rutishauser, Kamariah Abu Salim, Rafael P Salomão, Ismayadi Samsoedin, Douglas Sheil, Rodrigo Sierra, Marcos Silveira, J W Ferry Slik, Lisa Steel, Hermann Taedoumg, Sylvester Tan, John W Terborgh, Sean C Thomas, Marisol Toledo, Peter M Umunay, Luis Valenzuela Gamarra, Ima Célia Guimarães Vieira, Vincent A Vos, Ophelia Wang, Simon Willcock, Lise Zemagho
Tropical forests are global centres of biodiversity and carbon storage. Many tropical countries aspire to protect forest to fulfil biodiversity and climate mitigation policy targets, but the conservation strategies needed to achieve these two functions depend critically on the tropical forest tree diversity-carbon storage relationship. Assessing this relationship is challenging due to the scarcity of inventories where carbon stocks in aboveground biomass and species identifications have been simultaneously and robustly quantified...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28094285/urinary-exosomes-contain-micrornas-capable-of-paracrine-modulation-of-tubular-transporters-in-kidney
#5
Tannia Gracia, Xiaonan Wang, Ya Su, Elizabeth E Norgett, Timothy L Williams, Pablo Moreno, Gos Micklem, Fiona E Karet Frankl
Exosomes derived from all nephron segments are present in human urine, where their functionality is incompletely understood. Most studies have focused on biomarker discovery rather than exosome function. Through sequencing we identified the miRNA repertoire of urinary exosomes from healthy volunteers; 276 mature miRNAs and 345 pre-miRNAs were identified (43%/7% of reads). Among the most abundant were members of the miR-10, miR-30 and let-7 families. Targets for the identified miRNAs were predicted using five different databases; genes encoding membrane transporters and their regulators were enriched, highlighting the possibility that these miRNAs could modulate key renal tubular functions in a paracrine manner...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28086789/detection-of-plasmodium-knowlesi-plasmodium-falciparum-and-plasmodium-vivax-using-loop-mediated-isothermal-amplification-lamp-in-a-co-endemic-area-in-malaysia
#6
Kim A Piera, Ammar Aziz, Timothy William, David Bell, Iveth J González, Bridget E Barber, Nicholas M Anstey, Matthew J Grigg
BACKGROUND: Plasmodium knowlesi is the most common cause of malaria in Malaysia. However, microscopic diagnosis is inaccurate and rapid diagnostic tests (RDTs) are insufficiently sensitive. PCR is sensitive and specific but not feasible at a district level. Loop-mediated isothermal amplification (LAMP) shows potential with only basic requirements. A commercially available LAMP assay, the Eiken Loopamp™ MALARIA Pan Detection kit, is sensitive for Plasmodium falciparum and Plasmodium vivax, but has not previously been evaluated for P...
January 13, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28080993/secondary-metabolite-arsenal-of-an-opportunistic-pathogenic-fungus
#7
Elaine Bignell, Timothy C Cairns, Kurt Throckmorton, William C Nierman, Nancy P Keller
Aspergillus fumigatus is a versatile fungus able to successfully exploit diverse environments from mammalian lungs to agricultural waste products. Among its many fitness attributes are dozens of genetic loci containing biosynthetic gene clusters (BGCs) producing bioactive small molecules (often referred to as secondary metabolites or natural products) that provide growth advantages to the fungus dependent on environment. Here we summarize the current knowledge of these BGCs-18 of which can be named to product-their expression profiles in vivo, and which BGCs may enhance virulence of this opportunistic human pathogen...
December 5, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28067620/characterisation-of-the-opposing-effects-of-g6pd-deficiency-on-cerebral-malaria-and-severe-malarial-anaemia
#8
Geraldine M Clarke, Kirk Rockett, Katja Kivinen, Christina Hubbart, Anna E Jeffreys, Kate Rowlands, Muminatou Jallow, David J Conway, Kalifa A Bojang, Margaret Pinder, Stanley Usen, Fatoumatta Sisay-Joof, Giorgio Sirugo, Ousmane Toure, Mahamadou A Thera, Salimata Konate, Sibiry Sissoko, Amadou Niangaly, Belco Poudiougou, Valentina D Mangano, Edith C Bougouma, Sodiomon B Sirima, David Modiano, Lucas N Amenga-Etego, Anita Ghansah, Kwadwo A Koram, Michael D Wilson, Anthony Enimil, Jennifer Evans, Olukemi K Amodu, Subulade Olaniyan, Tobias Apinjoh, Regina Mugri, Andre Ndi, Carolyne M Ndila, Sophie Uyoga, Alexander Macharia, Norbert Peshu, Thomas N Williams, Alphaxard Manjurano, Nuno Sepúlveda, Taane G Clark, Eleanor Riley, Chris Drakeley, Hugh Reyburn, Vysaul Nyirongo, David Kachala, Malcolm Molyneux, Sarah J Dunstan, Nguyen Hoan Phu, Nguyen Ngoc Quyen, Cao Quang Thai, Tran Tinh Hien, Laurens Manning, Moses Laman, Peter Siba, Harin Karunajeewa, Steve Allen, Angela Allen, Timothy Me Davis, Pascal Michon, Ivo Mueller, Síle F Molloy, Susana Campino, Angeliki Kerasidou, Victoria J Cornelius, Lee Hart, Shivang S Shah, Gavin Band, Chris Ca Spencer, Tsiri Agbenyega, Eric Achidi, Ogobara K Doumbo, Jeremy Farrar, Kevin Marsh, Terrie Taylor, Dominic P Kwiatkowski
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is believed to confer protection against Plasmodium falciparum malaria, but the precise nature of the protective effecthas proved difficult to define as G6PD deficiency has multiple allelic variants with different effects in males and females, and it has heterogeneous effects on the clinical outcome of P. falciparum infection. Here we report an analysis of multiple allelic forms of G6PD deficiency in a large multi-centre case-control study of severe malaria, using the WHO classification of G6PD mutations to estimate each individual's level of enzyme activity from their genotype...
January 9, 2017: ELife
https://www.readbyqxmd.com/read/28058752/orai1-mutations-with-distinct-channel-gating-defects-in-tubular-aggregate-myopathy
#9
Johann Böhm, Monica Bulla, Jill E Urquhart, Edoardo Malfatti, Simon G Williams, James O'Sullivan, Anastazja Szlauer, Catherine Koch, Giovanni Baranello, Marina Mora, Michela Ripolone, Raffaella Violano, Maurizio Moggio, Helen Kingston, Timothy Dawson, Christian G DeGoede, John Nixon, Anne Boland, Jean-François Deleuze, Norma Romero, William G Newman, Nicolas Demaurex, Jocelyn Laporte
Calcium (Ca(2+) ) is a physiological key factor, and the precise modulation of free cytosolic Ca(2+) levels regulates multiple cellular functions. Store-operated Ca(2+) entry (SOCE) is a major mechanism controlling Ca(2+) homeostasis, and is mediated by the concerted activity of the Ca(2+) sensor STIM1 and the Ca(2+) channel ORAI1. Dominant gain-of-function mutations in STIM1 or ORAI1 cause tubular aggregate myopathy (TAM) or Stormorken syndrome, while recessive loss-of-function mutations are associated with immunodeficiency...
January 6, 2017: Human Mutation
https://www.readbyqxmd.com/read/28057928/predictive-screening-of-m1-and-m2-macrophages-reveals-the-immunomodulatory-effectiveness-of-post-spinal-cord-injury-azithromycin-treatment
#10
John C Gensel, Timothy J Kopper, Bei Zhang, Michael B Orr, William M Bailey
Spinal cord injury (SCI) triggers a heterogeneous macrophage response that when experimentally polarized toward alternative forms of activation (M2 macrophages) promotes tissue and functional recovery. There are limited pharmacological therapies that can drive this reparative inflammatory state. In the current study, we used in vitro systems to comprehensively defined markers of macrophages with known pathological (M1) and reparative (M2) properties in SCI. We then used these markers to objectively define the macrophage activation states after SCI in response to delayed azithromycin treatment...
January 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28054374/determinants-of-heparin-dosing-and-complications-in-patients-undergoing-left-atrial-ablation-on-uninterrupted-rivaroxaban
#11
Alan D Enriquez, Timothy Churchill, Sandeep Gautam, Jason S Chinitz, Chirag R Barbhaiya, Saurabh Kumar, Roy M John, Usha B Tedrow, Bruce A Koplan, William G Stevenson, Gregory F Michaud
BACKGROUND: Patients on rivaroxaban have variable INRs, but it is uncertain if INR impacts procedural heparin requirement during left atrial ablation. We sought to examine the determinants of heparin dosing in this patient population. METHODS: We reviewed consecutive patients who received rivaroxaban within 24 hours of left atrial ablation and compared them to patients on uninterrupted warfarin. The determinants of heparin requirement were evaluated using regression analysis...
January 5, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28054156/parental-refusal-of-vitamin-k-and-neonatal-preventive-services-a-need-for-surveillance
#12
Lauren H Marcewicz, Joshua Clayton, Matthew Maenner, Erika Odom, Ekwutosi Okoroh, Deborah Christensen, Alyson Goodman, Michael D Warren, Julie Traylor, Angela Miller, Timothy Jones, John Dunn, William Schaffner, Althea Grant
Objectives Vitamin K deficiency bleeding (VKDB) in infants is a coagulopathy preventable with a single dose of injectable vitamin K at birth. The Tennessee Department of Health (TDH) and Centers for Disease Control and Prevention (CDC) investigated vitamin K refusal among parents in 2013 after learning of four cases of VKDB associated with prophylaxis refusal. Methods Chart reviews were conducted at Nashville-area hospitals for 2011-2013 and Tennessee birthing centers for 2013 to identify parents who had refused injectable vitamin K for their infants...
January 4, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28053228/diverse-evolutionary-patterns-of-pneumococcal-antigens-identified-by-pangenome-wide-immunological-screening
#13
Nicholas J Croucher, Joseph J Campo, Timothy Q Le, Xiaowu Liang, Stephen D Bentley, William P Hanage, Marc Lipsitch
Characterizing the immune response to pneumococcal proteins is critical in understanding this bacterium's epidemiology and vaccinology. Probing a custom-designed proteome microarray with sera from 35 healthy US adults revealed a continuous distribution of IgG affinities for 2,190 potential antigens from the species-wide pangenome. Reproducibly elevated IgG binding was elicited by 208 "antibody binding targets" (ABTs), which included 109 variants of the diverse pneumococcal surface proteins A and C (PspA and PspC) and zinc metalloprotease A and B (ZmpA and ZmpB) proteins...
January 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28052786/preferential-use-of-nitrofurantoin-over-fluoroquinolones-for-acute-uncomplicated-cystitis-and-outpatient-escherichia-coli-resistance-in-an-integrated-healthcare-system
#14
Rebecca L Pedela, Katherine C Shihadeh, Bryan C Knepper, Michelle K Haas, William J Burman, Timothy C Jenkins
OBJECTIVES To evaluate changes in outpatient fluoroquinolone (FQ) and nitrofurantoin (NFT) use and resistance among E. coli isolates after a change in institutional guidance to use NFT over FQs for acute uncomplicated cystitis. DESIGN Retrospective preintervention-postintervention study. SETTING Urban, integrated healthcare system. PATIENTS Adult outpatients treated for acute cystitis. METHODS We compared 2 time periods: January 2003-June 2007 when FQs were recommended as first-line therapy, and July 2007-December 2012, when NFT was recommended...
January 5, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28042918/the-neurostimulation-appropriateness-consensus-committee-nacc-safety-guidelines-for-the-reduction-of-severe-neurological-injury
#15
Timothy R Deer, Tim J Lamer, Jason E Pope, Steven M Falowski, David A Provenzano, Konstantin Slavin, Stanley Golovac, Jeffrey Arle, Joshua M Rosenow, Kayode Williams, Porter McRoberts, Samer Narouze, Sam Eldabe, Shivanand P Lad, Jose A De Andrés, Eric Buchser, Philippe Rigoard, Robert M Levy, Brian Simpson, Nagy Mekhail
INTRODUCTION: Neurostimulation involves the implantation of devices to stimulate the brain, spinal cord, or peripheral or cranial nerves for the purpose of modulating the neural activity of the targeted structures to achieve specific therapeutic effects. Surgical placement of neurostimulation devices is associated with risks of neurologic injury, as well as possible sequelae from the local or systemic effects of the intervention. The goal of the Neurostimulation Appropriateness Consensus Committee (NACC) is to improve the safety of neurostimulation...
January 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28042909/the-neurostimulation-appropriateness-consensus-committee-nacc-recommendations-for-infection-prevention-and-management
#16
Timothy R Deer, David A Provenzano, Michael Hanes, Jason E Pope, Simon J Thomson, Marc A Russo, Tory McJunkin, Michael Saulino, Louis J Raso, Shivanand P Lad, Samer Narouze, Steven M Falowski, Robert M Levy, Ganesan Baranidharan, Stanley Golovac, Didier Demesmin, William O Witt, Brian Simpson, Elliot Krames, Nagy Mekhail
INTRODUCTION: The use of neurostimulation for pain has been an established therapy for many decades and is a major tool in the arsenal to treat neuropathic pain syndromes. Level I evidence has recently been presented to substantiate the therapy, but this is balanced against the risk of complications of an interventional technique. METHODS: The Neurostimulation Appropriateness Consensus Committee (NACC) of the International Neuromodulation Society convened an international panel of well published and diverse physicians to examine the best practices for infection mitigation and management in patients undergoing neurostimulation...
January 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28042904/the-polyanalgesic-consensus-conference-pacc-recommendations-on-intrathecal-drug-infusion-systems-best-practices-and-guidelines
#17
REVIEW
Timothy R Deer, Jason E Pope, Salim Hayek, Anjum Bux, Eric Buchser, Sam Eldabe, Jose A De Andrés, Michael Erdek, Dennis Patin, Jay S Grider, Daniel M Doleys, Marilyn S Jacobs, Tony L Yaksh, Lawrence Poree, Mark S Wallace, Joshua Prager, Richard Rauck, Oscar DeLeon, Sudhir Diwan, Steven M Falowski, Helena M Gazelka, Philip Kim, Michael Leong, Robert M Levy, Gladstone McDowell Ii, Porter McRoberts, Ramana Naidu, Samir Narouze, Christophe Perruchoud, Steven M Rosen, William S Rosenberg, Michael Saulino, Peter Staats, Lisa J Stearns, Dean Willis, Elliot Krames, Marc Huntoon, Nagy Mekhail
INTRODUCTION: Pain treatment is best performed when a patient-centric, safety-based philosophy is used to determine an algorithmic process to guide care. Since 2007, the International Neuromodulation Society has organized a group of experts to evaluate evidence and create a Polyanalgesic Consensus Conference (PACC) to guide practice. METHODS: The current PACC update was designed to address the deficiencies and innovations emerging since the previous PACC publication of 2012...
January 2, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28042894/gaining-synthetic-appreciation-for-the-gedunin-abc-ring-system
#18
Craig McKenzie Williams, David Pinkerton, Timothy Vanden Berg, Paul Bernhardt
Gedunin, first isolated in 1960, displays a remarkable range of biological activity, but has yet to receive dedicated synthetic attention from a ground up construction perspective. Presented herein is a successfully executed approach to the fully-functionalized ABC ring system of this challengingly complex natural product.
January 2, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28039266/malignant-astrocytic-tumor-progression-potentiated-by-jak-mediated-recruitment-of-myeloid-cells
#19
Prajwal Rajappa, William S Cobb, Emma Vartanian, Yujie Huang, Laura Daly, Caitlin Hoffman, Jane Zhang, Beiyi Shen, Rachel Yanowitch, Kunal Garg, Babacar Cisse, Sara Haddock, Jason T Huse, David J Pisapia, Timothy A Chan, David Lyden, Jacqueline Bromberg, Jeffrey P Greenfield
PURPOSE: While the tumor microenvironment has been known to play an integral role in tumor progression, the function of non-resident bone marrow-derived cells (BMDCs) remains to be determined in neurological tumors. Here we identified the contribution of BMDC recruitment in mediating malignant transformation from low- to high-grade gliomas. EXPERIMENTAL DESIGN: We analyzed human blood and tumor samples from patients with low- and high-grade gliomas. A spontaneous platelet derived growth factor (PDGF) murine glioma model (RCAS) was utilized to recapitulate human disease progression...
December 30, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28034367/dendritic-trafficking-faces-physiologically-critical-speed-precision-tradeoffs
#20
Alex H Williams, Cian O'Donnell, Terrence J Sejnowski, Timothy O'Leary
Nervous system function requires intracellular transport of channels, receptors, mRNAs, and other cargo throughout complex neuronal morphologies. Local signals such as synaptic input can regulate cargo trafficking, motivating the leading conceptual model of neuron-wide transport, sometimes called the 'sushi-belt model' (Doyle and Kiebler, 2011). Current theories and experiments are based on this model, yet its predictions are not rigorously understood. We formalized the sushi belt model mathematically, and show that it can achieve arbitrarily complex spatial distributions of cargo in reconstructed morphologies...
December 30, 2016: ELife
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