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https://www.readbyqxmd.com/read/29165802/treatment-of-severe-drug-reactions-by-hemodialysis
#1
Rokea A El-Azhary, Michael Z Wang, Ashley B Wentworth, LaTonya J Hickson
BACKGROUND: Extracorporeal treatments such as hemodialysis and plasma exchange are lifesaving measures in the treatment of drug poisoning. This treatment method generally is not used for severe cutaneous and systemic drug reactions. METHODS: Here, we describe three cases wherein hemodialysis therapy was instrumental in reversing the adverse drug reaction. RESULTS: In the cases of severe cutaneous drug reactions reviewed, patients presented with linear immunoglobulin A bullous dermatosis, acute generalized exanthematous pustulosis, and toxic epidermal necrolysis...
November 22, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/29165610/gramene-2018-unifying-comparative-genomics-and-pathway-resources-for-plant-research
#2
Marcela K Tello-Ruiz, Sushma Naithani, Joshua C Stein, Parul Gupta, Michael Campbell, Andrew Olson, Sharon Wei, Justin Preece, Matthew J Geniza, Yinping Jiao, Young Koung Lee, Bo Wang, Joseph Mulvaney, Kapeel Chougule, Justin Elser, Noor Al-Bader, Sunita Kumari, James Thomason, Vivek Kumar, Daniel M Bolser, Guy Naamati, Electra Tapanari, Nuno Fonseca, Laura Huerta, Haider Iqbal, Maria Keays, Alfonso Munoz-Pomer Fuentes, Amy Tang, Antonio Fabregat, Peter D'Eustachio, Joel Weiser, Lincoln D Stein, Robert Petryszak, Irene Papatheodorou, Paul J Kersey, Patti Lockhart, Crispin Taylor, Pankaj Jaiswal, Doreen Ware
Gramene (http://www.gramene.org) is a knowledgebase for comparative functional analysis in major crops and model plant species. The current release, #54, includes over 1.7 million genes from 44 reference genomes, most of which were organized into 62,367 gene families through orthologous and paralogous gene classification, whole-genome alignments, and synteny. Additional gene annotations include ontology-based protein structure and function; genetic, epigenetic, and phenotypic diversity; and pathway associations...
November 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29164893/highly-enantioselective-synthesis-of-chiral-cyclopropyl-nucleosides-via-catalytic-asymmetric-intermolecular-cyclopropanation
#3
Jian-Ping Li, Guo-Feng Zhao, Hai-Xia Wang, Ming-Sheng Xie, Gui-Rong Qu, Hai-Ming Guo
An efficient route to construct chiral cyclopropyl purine nucleoside analogues has been established via the catalytic asymmetric Michael-initiated ring-closure reactions of α-purine acrylates with α-bromo-carboxylic esters. Using (DHQD)2AQN as the catalyst, various chiral cyclopropyl purine nucleoside analogues with a chiral quaternary stereocenter were obtained in 72-98% yields, excellent diastereoselectivities, and 93-97% ee. Through simple functional group transformations, diverse chiral cyclopropyl purine nucleosides with hydroxymethyl group or carboxyl group were obtained...
November 22, 2017: Organic Letters
https://www.readbyqxmd.com/read/29164208/-unknown-title
#4
Jia Wang, Philip H Chao, Sebastian Hanet, R Michael van Dam
Despite the increasing importance of positron emission tomography (PET) imaging in research and clinical management of disease, access to myriad new radioactive tracers is severely limited due to their short half-lives (which requires daily production) and the high cost and complexity of tracer production. The application of droplet microfluidics based on electrowetting-on-dielectric (EWOD) to the field of radiochemistry can significantly reduce the amount of radiation shielding necessary for safety and the amount of precursor and other reagents needed for the synthesis...
November 22, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/29164035/a-clinical-practice-guideline-for-the-management-of-patients-with-degenerative-cervical-myelopathy-recommendations-for-patients-with-mild-moderate-and-severe-disease-and-nonmyelopathic-patients-with-evidence-of-cord-compression
#5
Michael G Fehlings, Lindsay A Tetreault, K Daniel Riew, James W Middleton, Bizhan Aarabi, Paul M Arnold, Darrel S Brodke, Anthony S Burns, Simon Carette, Robert Chen, Kazuhiro Chiba, Joseph R Dettori, Julio C Furlan, James S Harrop, Langston T Holly, Sukhvinder Kalsi-Ryan, Mark Kotter, Brian K Kwon, Allan R Martin, James Milligan, Hiroaki Nakashima, Narihito Nagoshi, John Rhee, Anoushka Singh, Andrea C Skelly, Sumeet Sodhi, Jefferson R Wilson, Albert Yee, Jeffrey C Wang
Study Design: Guideline development. Objectives: The objective of this study is to develop guidelines that outline how to best manage (1) patients with mild, moderate, and severe myelopathy and (2) nonmyelopathic patients with evidence of cord compression with or without clinical symptoms of radiculopathy. Methods: Five systematic reviews of the literature were conducted to synthesize evidence on disease natural history; risk factors of disease progression; the efficacy, effectiveness, and safety of nonoperative and surgical management; the impact of preoperative duration of symptoms and myelopathy severity on treatment outcomes; and the frequency, timing, and predictors of symptom development...
September 2017: Global Spine Journal
https://www.readbyqxmd.com/read/29164027/a-clinical-practice-guideline-for-the-management-of-degenerative-cervical-myelopathy-introduction-rationale-and-scope
#6
Michael G Fehlings, Lindsay A Tetreault, K Daniel Riew, James W Middleton, Jeffrey C Wang
Degenerative cervical myelopathy (DCM) is a progressive spine disease and the most common cause of spinal cord dysfunction in adults worldwide. Patients with DCM may present with common signs and symptoms of neurological dysfunction, such as paresthesia, abnormal gait, decreased hand dexterity, hyperreflexia, increased tone, and sensory dysfunction. Clinicians across several specialties encounter patients with DCM, including primary care physicians, rehabilitation specialists, therapists, rheumatologists, neurologists, and spinal surgeons...
September 2017: Global Spine Journal
https://www.readbyqxmd.com/read/29163795/oral-4-n-stearoyl-gemcitabine-nanoparticles-inhibit-tumor-growth-in-mouse-models
#7
Caixia Wang, Yuanqiang Zheng, Michael A Sand Oval, Solange A Valdes, Zhe Chen, Dharmika S Lansakara-P, Maolin Du, Yanchun Shi, Zhengrong Cui
In spite of recent advances in targeted tumor therapy, systemic chemotherapy with cytotoxic agents remains a vital cancer treatment modality. Gemcitabine is a nucleoside analog commonly used in the treatment of various solid tumors, but an oral gemcitabine dosage form remain unavailable. Previously, we developed the 4-(N)-stearoyl gemcitabine solid lipid nanoparticles (GemC18-SLNs) by incorporating 4-(N)-stearoyl gemcitabine (GemC18), an amide prodrug of gemcitabine, into solid lipid nanoparticles. GemC18-SLNs, when administered intravenously, showed strong antitumor activity against various human and mouse tumors in mouse models...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29163793/rapid-ultra-low-coverage-copy-number-profiling-of-cell-free-dna-as-a-precision-oncology-screening-strategy
#8
Daniel H Hovelson, Chia-Jen Liu, Yugang Wang, Qing Kang, James Henderson, Amy Gursky, Scott Brockman, Nithya Ramnath, John C Krauss, Moshe Talpaz, Malathi Kandarpa, Rashmi Chugh, Missy Tuck, Kirk Herman, Catherine S Grasso, Michael J Quist, Felix Y Feng, Christine Haakenson, John Langmore, Emmanuel Kamberov, Tim Tesmer, Hatim Husain, Robert J Lonigro, Dan Robinson, David C Smith, Ajjai S Alva, Maha H Hussain, Arul M Chinnaiyan, Muneesh Tewari, Ryan E Mills, Todd M Morgan, Scott A Tomlins
Current cell-free DNA (cfDNA) next generation sequencing (NGS) precision oncology workflows are typically limited to targeted and/or disease-specific applications. In advanced cancer, disease burden and cfDNA tumor content are often elevated, yielding unique precision oncology opportunities. We sought to demonstrate the utility of a pan-cancer, rapid, inexpensive, whole genome NGS of cfDNA approach (PRINCe) as a precision oncology screening strategy via ultra-low coverage (~0.01x) tumor content determination through genome-wide copy number alteration (CNA) profiling...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29163337/disrupted-gamma-synchrony-after-mild-traumatic-brain-injury-and-its-correlation-with-white-matter-abnormality
#9
Chao Wang, Michelle E Costanzo, Paul E Rapp, David Darmon, Dominic E Nathan, Kylee Bashirelahi, Dzung L Pham, Michael J Roy, David O Keyser
Mild traumatic brain injury (mTBI) has been firmly associated with disrupted white matter integrity due to induced white matter damage and degeneration. However, comparatively less is known about the changes of the intrinsic functional connectivity mediated via neural synchronization in the brain after mTBI. Moreover, despite the presumed link between structural and functional connectivity, no existing studies in mTBI have demonstrated clear association between the structural abnormality of white matter axons and the disruption of neural synchronization...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29162454/the-discovery-and-optimization-of-naphthalene-linked-p2-p4-macrocycles-as-inhibitors-of-hcv-ns3-protease
#10
Michael Bowsher, Sheldon Hiebert, Rongti Li, Alan X Wang, Jacques Friborg, Fei Yu, Dennis Hernandez, Ying-Kai Wang, Herbert Klei, Ramkumar Rajamani, Kathy Mosure, Jay O Knipe, Nicholas A Meanwell, Fiona McPhee, Paul M Scola
Naphthalene-linked P2-P4 macrocycles within a tri-peptide-based acyl sulfonamide chemotype have been synthesized and found to inhibit HCV NS3 proteases representing genotypes 1a and 1b with single digit nanomolar potency. The pharmacokinetic profile of compounds in this series was optimized through structural modifications along the macrocycle tether as well as the P1 subsite. Ultimately a compound with oral bioavailability of 100% in rat, and a long half-life in plasma was obtained. However, compounds in this macrocyclic series exhibited cardiac effects in an isolated rabbit heart model and for this reason further optimization efforts were discontinued...
November 3, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29161592/tumor-suppressor-inactivation-of-gdf11-occurs-by-precursor-sequestration-in-triple-negative-breast-cancer
#11
Sameer S Bajikar, Chun-Chao Wang, Michael A Borten, Elizabeth J Pereira, Kristen A Atkins, Kevin A Janes
Triple-negative breast cancer (TNBC) is an aggressive and heterogeneous carcinoma in which various tumor-suppressor genes are lost by mutation, deletion, or silencing. Here we report a tumor-suppressive mode of action for growth-differentiation factor 11 (GDF11) and an unusual mechanism of its inactivation in TNBC. GDF11 promotes an epithelial, anti-invasive phenotype in 3D triple-negative cultures and intraductal xenografts by sustaining expression of E-cadherin and inhibitor of differentiation 2 (ID2). Surprisingly, clinical TNBCs retain the GDF11 locus and expression of the protein itself...
November 20, 2017: Developmental Cell
https://www.readbyqxmd.com/read/29161423/partial-bisulfite-conversion-for-unique-template-sequencing
#12
Vijay Kumar, Julie Rosenbaum, Zihua Wang, Talitha Forcier, Michael Ronemus, Michael Wigler, Dan Levy
We introduce a new protocol, mutational sequencing or muSeq, which uses sodium bisulfite to randomly deaminate unmethylated cytosines at a fixed and tunable rate. The muSeq protocol marks each initial template molecule with a unique mutation signature that is present in every copy of the template, and in every fragmented copy of a copy. In the sequenced read data, this signature is observed as a unique pattern of C-to-T or G-to-A nucleotide conversions. Clustering reads with the same conversion pattern enables accurate count and long-range assembly of initial template molecules from short-read sequence data...
November 17, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29161268/nucleic-acid-purification-from-plants-animals-and-microbes-in-under-30-seconds
#13
Yiping Zou, Michael Glenn Mason, Yuling Wang, Eugene Wee, Conny Turni, Patrick J Blackall, Matt Trau, Jose Ramon Botella
Nucleic acid amplification is a powerful molecular biology tool, although its use outside the modern laboratory environment is limited due to the relatively cumbersome methods required to extract nucleic acids from biological samples. To address this issue, we investigated a variety of materials for their suitability for nucleic acid capture and purification. We report here that untreated cellulose-based paper can rapidly capture nucleic acids within seconds and retain them during a single washing step, while contaminants present in complex biological samples are quickly removed...
November 2017: PLoS Biology
https://www.readbyqxmd.com/read/29161013/intelligent-peptide-gathering-mechanical-arm-tames-wild-trojan-horse-peptides-for-the-controlled-delivery-of-cancer-nanotherapeutics
#14
Nian-Qiu Shi, Yan Li, Yong Zhang, Nan Shen, Ling Qi, Shu-Ran Wang, Xian-Rong Qi
Cell-penetrating peptides (CPPs), also called "Trojan-Horse" peptides, have been used for facilitating intracellular delivery of numerous diverse cargoes and even nanocarriers. However, the lack of targeting specificity ("wildness" or nonselectivity) of CPP-nanocarriers remains an intractable challenge for many in vivo applications. In this work, we used an intelligent "peptide-gathering mechanical arm" (Int PMA) to curb CPPs' wildness and enhance the selectivity of R9-liposome-based cargo delivery for tumor targeting...
November 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29160699/diversity-and-abundance-of-high-molecular-weight-azaarenes-in-pah-contaminated-environmental-samples
#15
Zhenyu Tian, Joaquim Vila, Hanyan Wang, Wanda Bodnar, Michael D Aitken
Azaarenes are N-heterocyclic polyaromatic pollutants that co-occur with polycyclic aromatic hydrocarbons (PAHs) in contaminated soils. Despite the known toxicity of some high-molecular-weight azaarenes, their diversity, abundance, and fate in contaminated soils remain to be elucidated. We applied high-resolution mass spectrometry and mass-defect filtering to four PAH-contaminated samples from geographically distant sites and detected 232 azaarene congeners distributed in eight homologous series, including alkylated derivatives and two hitherto unknown series...
November 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29160240/remapping-cortical-modulation-for-electrocorticographic-brain-computer-interfaces-a-somatotopy-based-approach-in-individuals-with-upper-limb-paralysis
#16
Alan D Degenhart, Shivayogi V Hiremath, Ying Yang, Stephen T Foldes, Jennifer L Collinger, Michael L Boninger, Elizabeth C Tyler-Kabara, Wei Wang
OBJECTIVE: Brain-computer interface (BCI) technology aims to provide individuals with paralysis a means to restore function. Electrocorticography (ECoG) uses disc electrodes placed on either the surface of the dura or the cortex to record field potential activity. ECoG has been proposed as a viable neural recording modality for BCI systems, potentially providing stable, long-term recordings of cortical activity with high spatial and temporal resolution. Previously we have demonstrated that a subject with spinal cord injury (SCI) could control an ECoG-based BCI system with up to three degrees of freedom [Wang et al...
November 21, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/29159825/modulation-of-the-intestinal-bile-acid-fxr-fgf15-axis-improves-alcoholic-liver-disease-in-mice
#17
Phillipp Hartmann, Katrin Hochrath, Angela Horvath, Peng Chen, Caroline T Seebauer, Cristina Llorente, Lirui Wang, Yazen Alnouti, Derrick E Fouts, Peter Stärkel, Rohit Loomba, Sally Coulter, Christopher Liddle, Ruth T Yu, Lei Ling, Stephen J Rossi, Alex M DePaoli, Michael Downes, Ronald M Evans, David A Brenner, Bernd Schnabl
Alcoholic liver disease is associated with changes in the intestinal microbiota. Functional consequences of alcohol-associated dysbiosis are largely unknown. The aim of this study was to identify a mechanism of how changes in the intestinal microbiota contribute to alcoholic liver disease. Metagenomic sequencing of intestinal contents demonstrated that chronic ethanol feeding in mice is associated with an overrepresentation of bacterial genomic DNA encoding choloylglycine hydrolase, which deconjugates bile acids in the intestine...
November 21, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29159192/sex-differences-in-lrrk2-g2019s-and-idiopathic-parkinson-s-disease
#18
Marta San Luciano, Cuiling Wang, Roberto A Ortega, Nir Giladi, Karen Marder, Susan Bressman, Rachel Saunders-Pullman
Objective: To evaluate sex differences and the relative effect of G2019S LRRK2 mutations in Parkinson's disease (PD). Methods: 530 LRRK2 PD carriers and 759 noncarrier PD (idiopathic, IPD) evaluated as part of the Fox Foundation (MJFF) Consortium were included. All participants completed a study visit including information on clinical features, treatment, examination, and motor and nonmotor questionnaires. Clinical features were compared between men and women separately for IPD and LRRK2 PD; and features were compared between IPD and LRRK2 PD separately for men and women...
November 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/29158486/bl-hi-c-is-an-efficient-and-sensitive-approach-for-capturing-structural-and-regulatory-chromatin-interactions
#19
Zhengyu Liang, Guipeng Li, Zejun Wang, Mohamed Nadhir Djekidel, Yanjian Li, Min-Ping Qian, Michael Q Zhang, Yang Chen
In human cells, DNA is hierarchically organized and assembled with histones and DNA-binding proteins in three dimensions. Chromatin interactions play important roles in genome architecture and gene regulation, including robustness in the developmental stages and flexibility during the cell cycle. Here we propose in situ Hi-C method named Bridge Linker-Hi-C (BL-Hi-C) for capturing structural and regulatory chromatin interactions by restriction enzyme targeting and two-step proximity ligation. This method improves the sensitivity and specificity of active chromatin loop detection and can reveal the regulatory enhancer-promoter architecture better than conventional methods at a lower sequencing depth and with a simpler protocol...
November 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/29158387/retrograde-inhibition-by-a-specific-subset-of-interpeduncular-%C3%AE-5-nicotinic-neurons-regulates-nicotine-preference
#20
Jessica L Ables, Andreas Görlich, Beatriz Antolin-Fontes, Cuidong Wang, Sylvia M Lipford, Michael H Riad, Jing Ren, Fei Hu, Minmin Luo, Paul J Kenny, Nathaniel Heintz, Ines Ibañez-Tallon
Repeated exposure to drugs of abuse can produce adaptive changes that lead to the establishment of dependence. It has been shown that allelic variation in the α5 nicotinic acetylcholine receptor (nAChR) gene CHRNA5 is associated with higher risk of tobacco dependence. In the brain, α5-containing nAChRs are expressed at very high levels in the interpeduncular nucleus (IPN). Here we identified two nonoverlapping α5 (+) cell populations (α5- (Amigo1) and α5- (Epyc) ) in mouse IPN that respond differentially to nicotine...
November 20, 2017: Proceedings of the National Academy of Sciences of the United States of America
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