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Theodore hong

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https://www.readbyqxmd.com/read/29908155/pharmacokinetics-of-continuous-infusion-beta-lactams-in-the-treatment-of-acute-pulmonary-exacerbations-in-adult-cystic-fibrosis-patients
#1
Lisa T Hong, Theodore G Liou, Rishi Deka, Jordan B King, Vanessa Stevens, David C Young
BACKGROUND: Several clinical trials have demonstrated the efficacy of continuous infusion (CI) beta-lactam (BL) antibiotics in cystic fibrosis (CF) patients; however, little is known regarding pharmacokinetic changes during treatment of an acute pulmonary exacerbation (APE). Identifying and understanding these changes may assist in optimizing antibiotic dosing during APE treatment. METHODS: This study is a retrospective cohort study of 162 adult CF patients admitted to the University of Utah Hospital between January 1, 2008 and May 15, 2014 for treatment of an APE with both a CI BL and intravenous tobramycin...
June 13, 2018: Chest
https://www.readbyqxmd.com/read/29899441/author-correction-discovery-of-stimulation-responsive-immune-enhancers-with-crispr-activation
#2
Dimitre R Simeonov, Benjamin G Gowen, Mandy Boontanrart, Theodore L Roth, John D Gagnon, Maxwell R Mumbach, Ansuman T Satpathy, Youjin Lee, Nicolas L Bray, Alice Y Chan, Dmytro S Lituiev, Michelle L Nguyen, Rachel E Gate, Meena Subramaniam, Zhongmei Li, Jonathan M Woo, Therese Mitros, Graham J Ray, Gemma L Curie, Nicki Naddaf, Julia S Chu, Hong Ma, Eric Boyer, Frederic Van Gool, Hailiang Huang, Ruize Liu, Victoria R Tobin, Kathrin Schumann, Mark J Daly, Kyle K Farh, K Mark Ansel, Chun J Ye, William J Greenleaf, Mark S Anderson, Jeffrey A Bluestone, Howard Y Chang, Jacob E Corn, Alexander Marson
In this Letter, analysis of steady-state regulatory T (Treg) cell percentages from Il2ra enhancer deletion (EDEL) and wild-type (WT) mice revealed no differences between them (Extended Data Fig. 9d). This analysis included two mice whose genotypes were incorrectly assigned. Even after correction of the genotypes, no significant differences in Treg cell percentages were seen when data across experimental cohorts were averaged (as was done in Extended Data Fig. 9d). However, if we normalize the corrected data to account for variation among experimental cohorts, a subtle decrease in EDEL Treg cell percentages is revealed and, using the corrected and normalized data, we have redrawn Extended Data Fig...
June 13, 2018: Nature
https://www.readbyqxmd.com/read/29859792/differential-association-between-circulating-lymphocyte-populations-with-outcome-after-radiation-therapy-in-subtypes-of-liver-cancer
#3
Clemens Grassberger, Theodore S Hong, Tai Hato, Beow Y Yeap, Jennifer Y Wo, Mark Tracy, Thomas Bortfeld, John A Wolfgang, Christine E Eyler, Lipika Goyal, Jeffrey W Clark, Christopher H Crane, Eugene J Koay, Mark Cobbold, Thomas F DeLaney, Rakesh K Jain, Andrew X Zhu, Dan G Duda
PURPOSE: Irradiation may have significant immunomodulatory effects that impact tumor response and could potentiate immunotherapeutic approaches. The purposes of this study were to prospectively investigate circulating lymphoid cell population fractions during hypofractionated proton therapy (HPT) in blood samples of liver cancer patients and to explore their association with survival. METHODS AND MATERIALS: We collected serial blood samples before treatment and at days 8 and 15 of HPT from 43 patients with liver cancer-22 with hepatocellular carcinoma (HCC) and 21 with intrahepatic cholangiocarcinoma (ICC)-enrolled in a phase 2 clinical trial...
April 17, 2018: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29800971/total-neoadjuvant-therapy-with-folfirinox-followed-by-individualized-chemoradiotherapy-for-borderline-resectable-pancreatic-adenocarcinoma-a-phase-2-clinical-trial
#4
Janet E Murphy, Jennifer Y Wo, David P Ryan, Wenqing Jiang, Beow Y Yeap, Lorraine C Drapek, Lawrence S Blaszkowsky, Eunice L Kwak, Jill N Allen, Jeffrey W Clark, Jason E Faris, Andrew X Zhu, Lipika Goyal, Keith D Lillemoe, Thomas F DeLaney, Carlos Fernández-Del Castillo, Cristina R Ferrone, Theodore S Hong
Importance: Patients with borderline-resectable pancreatic ductal adenocarcinoma have historically poor outcomes with surgery followed by adjuvant chemotherapy. Evaluation of a total neoadjuvant approach with highly active therapy is warranted. Objective: To evaluate the margin-negative (R0) resection rate in borderline-resectable pancreatic ductal adenocarcinoma after neoadjuvant FOLFIRINOX (fluorouracil, irinotecan, and oxaliplatin) therapy and individualized chemoradiotherapy...
May 3, 2018: JAMA Oncology
https://www.readbyqxmd.com/read/29771009/primary-tumor-sidedness-is-an-independent-prognostic-marker-for-survival-in-metastatic-colorectal-cancer-results-from-a-large-retrospective-cohort-with-mutational-analysis
#5
Sophia C Kamran, Jeffrey W Clark, Hui Zheng, Darrell R Borger, Lawrence S Blaszkowsky, Jill N Allen, Eunice L Kwak, Jennifer Y Wo, Aparna R Parikh, Ryan D Nipp, Janet E Murphy, Lipika Goyal, Andrew X Zhu, A John Iafrate, Ryan B Corcoran, David P Ryan, Theodore S Hong
Recent reports demonstrate inferior outcomes associated with primary right-sided vs left-sided colorectal tumors in patients with metastatic colorectal cancer (mCRC). We sought to describe our experience with mCRC patients on whom we have molecular data to determine whether primary tumor sidedness was an independent prognostic marker for overall survival (OS). mCRC patients with documented primary tumor sidedness who received mutational profiling between 2009 and 2014 were identified (n = 367, median follow-up 30...
May 17, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29764972/separate-functional-properties-of-nmdars-regulate-distinct-aspects-of-spatial-cognition
#6
Erin M Sanders, Akua O Nyarko-Odoom, Kevin Zhao, Michael Nguyen, Hong Hong Liao, Matthew Keith, Jane Pyon, Alyssa Kozma, Mohima Sanyal, Daniel G McHail, Theodore C Dumas
N -methyl-d-aspartate receptors (NMDARs) at excitatory synapses are central to activity-dependent synaptic plasticity and learning and memory. NMDARs act as ionotropic and metabotropic receptors by elevating postsynaptic calcium concentrations and by direct intracellular protein signaling. In the forebrain, these properties are controlled largely by the auxiliary GluN2 subunits, GluN2A and GluN2B. While calcium conductance through NMDAR channels and intracellular protein signaling make separate contributions to synaptic plasticity, it is not known if these properties individually influence learning and memory...
June 2018: Learning & Memory
https://www.readbyqxmd.com/read/29735188/will-there-be-a-clinically-significant-role-for-protons-in-patients-with-gastrointestinal-malignancies
#7
REVIEW
Ann C Raldow, Theodore S Hong
Gastrointestinal malignancies inherently arise amidst visceral organs that are very radiation sensitive. While radiation therapy is an integral part of cancer treatment, its use has historically been limited by normal tissue toxicity. Proton therapy is a form of external-beam radiation associated with several dosimetric advantages as compared to photon therapy. Proton radiation may allow for the delivery of tumoricidal doses while minimizing side effects by decreasing the dose to adjacent organs at risk. We discuss the rationale for and challenges of using protons in the treatment of gastrointestinal cancers...
April 2018: Seminars in Radiation Oncology
https://www.readbyqxmd.com/read/29602831/bioengineered-noncoding-rnas-selectively-change-cellular-mirnome-profiles-for-cancer-therapy
#8
Pui Yan Ho, Zhijian Duan, Neelu Batra, Joseph L Jilek, Mei-Juan Tu, Jing-Xin Qiu, Zihua Hu, Theodore Wun, Primo N Lara, Ralph W DeVere White, Hong-Wu Chen, Ai-Ming Yu
Noncoding RNAs (ncRNAs) produced in live cells may better reflect intracellular ncRNAs for research and therapy. Attempts were made to produce biologic ncRNAs, but at low yield or success rate. Here we first report a new ncRNA bioengineering technology using more stable ncRNA carrier (nCAR) containing a pre-miR-34a derivative identified by rational design and experimental validation. This approach offered a remarkable higher level expression (40%-80% of total RNAs) of recombinant ncRNAs in bacteria and gave an 80% success rate (33 of 42 ncRNAs)...
June 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29568102/enhanced-hexose-6-phosphate-dehydrogenase-expression-in-adipose-tissue-may-contribute-to-diet-induced-visceral-adiposity
#9
Limei Liu, Ying Wang, Jian Wang, Yunzhou Dong, Scarlett Chang, Xiwen Liu, Kabirullah Lutfy, Hong Chen, Theodore C Friedman, Meisheng Jiang, Yanjun Liu
BACKGROUND: Visceral fat accumulation increases the risk of developing type 2 diabetes and metabolic syndrome, and is associated with excessive glucocorticoids (GCs). Fat depot-specific GC action is tightly controlled by 11ß-hydroxysteroid dehydrogenase (11ß-HSD1) coupled with the enzyme hexose-6-phosphate dehydrogenase (H6PDH). Mice with inactivation or activation of H6PDH genes show altered adipose 11ß-HSD1 activity and lipid storage. We hypothesized that adipose tissue H6PDH activation is a leading cause for the visceral obesity and insulin resistance...
February 22, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29566113/total-neoadjuvant-therapy-for-locally-advanced-rectal-cancer-the-new-standard-of-care
#10
Theodore S Hong, David P Ryan
No abstract text is available yet for this article.
March 22, 2018: JAMA Oncology
https://www.readbyqxmd.com/read/29539640/carbonate-sensitive-phytotransferrin-controls-high-affinity-iron-uptake-in-diatoms
#11
Jeffrey B McQuaid, Adam B Kustka, Miroslav Oborník, Aleš Horák, John P McCrow, Bogumil J Karas, Hong Zheng, Theodor Kindeberg, Andreas J Andersson, Katherine A Barbeau, Andrew E Allen
In vast areas of the ocean, the scarcity of iron controls the growth and productivity of phytoplankton. Although most dissolved iron in the marine environment is complexed with organic molecules, picomolar amounts of labile inorganic iron species (labile iron) are maintained within the euphotic zone and serve as an important source of iron for eukaryotic phytoplankton and particularly for diatoms. Genome-enabled studies of labile iron utilization by diatoms have previously revealed novel iron-responsive transcripts, including the ferric iron-concentrating protein ISIP2A, but the mechanism behind the acquisition of picomolar labile iron remains unknown...
March 22, 2018: Nature
https://www.readbyqxmd.com/read/29529359/tissue-like-neural-probes-for-understanding-and-modulating-the-brain
#12
Guosong Hong, Robert D Viveros, Theodore J Zwang, Xiao Yang, Charles M Lieber
Electrophysiology tools have contributed substantially to understanding brain function, yet the capabilities of conventional electrophysiology probes have remained limited in key ways because of large structural and mechanical mismatches with respect to neural tissue. In this Perspective, we discuss how the general goal of probe design in biochemistry, that the probe or label have a minimal impact on the properties and function of the system being studied, can be realized by minimizing structural, mechanical, and topological differences between neural probes and brain tissue, thus leading to a new paradigm of tissue-like mesh electronics...
March 19, 2018: Biochemistry
https://www.readbyqxmd.com/read/29485047/american-association-of-physicists-in-medicine-task-group-263-standardizing-nomenclatures-in-radiation-oncology
#13
REVIEW
Charles S Mayo, Jean M Moran, Walter Bosch, Ying Xiao, Todd McNutt, Richard Popple, Jeff Michalski, Mary Feng, Lawrence B Marks, Clifton D Fuller, Ellen Yorke, Jatinder Palta, Peter E Gabriel, Andrea Molineu, Martha M Matuszak, Elizabeth Covington, Kathryn Masi, Susan L Richardson, Timothy Ritter, Tomasz Morgas, Stella Flampouri, Lakshmi Santanam, Joseph A Moore, Thomas G Purdie, Robert C Miller, Coen Hurkmans, Judy Adams, Qing-Rong Jackie Wu, Colleen J Fox, Ramon Alfredo Siochi, Norman L Brown, Wilko Verbakel, Yves Archambault, Steven J Chmura, Andre L Dekker, Don G Eagle, Thomas J Fitzgerald, Theodore Hong, Rishabh Kapoor, Beth Lansing, Shruti Jolly, Mary E Napolitano, James Percy, Mark S Rose, Salim Siddiqui, Christof Schadt, William E Simon, William L Straube, Sara T St James, Kenneth Ulin, Sue S Yom, Torunn I Yock
A substantial barrier to the single- and multi-institutional aggregation of data to supporting clinical trials, practice quality improvement efforts, and development of big data analytics resource systems is the lack of standardized nomenclatures for expressing dosimetric data. To address this issue, the American Association of Physicists in Medicine (AAPM) Task Group 263 was charged with providing nomenclature guidelines and values in radiation oncology for use in clinical trials, data-pooling initiatives, population-based studies, and routine clinical care by standardizing: (1) structure names across image processing and treatment planning system platforms; (2) nomenclature for dosimetric data (eg, dose-volume histogram [DVH]-based metrics); (3) templates for clinical trial groups and users of an initial subset of software platforms to facilitate adoption of the standards; (4) formalism for nomenclature schema, which can accommodate the addition of other structures defined in the future...
March 15, 2018: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29481090/gold-catalyzed-formal-4-2-cycloaddition-of-5-ethynylamino-pent-2-yn-1-yl-esters-to-1-2-3-5-tetrahydrobenzo-g-quinolines
#14
Xiaoyu Chen, James Theodore Merrett, Philip Wai Hong Chan
A synthetic method to prepare 1,2,3,5-tetrahydrobenzo[ g]quinolines efficiently that relies on gold(I)-catalyzed cycloisomerization of 5-(ethynylamino)pent-2-yn-1-yl esters at room temperature under atmospheric conditions is described. The proposed reaction mechanism presents a unique instance of an in situ formed allenic ester and gold keteniminium species to undergo a formal [4 + 2] cycloaddition pathway.
March 16, 2018: Organic Letters
https://www.readbyqxmd.com/read/29477037/evaluation-of-the-neonatal-streptozotocin-model-of-diabetes-in-rats-evidence-for-a-model-of-neuropathic-pain
#15
Paulino Barragán-Iglesias, Víctor Hugo Oidor-Chan, Emanuel Loeza-Alcocer, Jorge Baruch Pineda-Farias, Isabel Velazquez-Lagunas, Ana Belen Salinas-Abarca, Enrique Hong, Alicia Sánchez-Mendoza, Rodolfo Delgado-Lezama, Theodore J Price, Vinicio Granados-Soto
BACKGROUND: The purpose of this study was to evaluate the participation of satellite glial cells (SGC), microglia and astrocytes in a model of streptozotocin-induced diabetes initiated in neonatal rats (nSTZ) and to determine the pharmacological profile for pain relief. METHODS: nSTZ was used to induce experimental diabetes. Von Frey filaments were used to assess tactile allodynia. Drugs were given by systemic administration. Western blotting and immunohistochemistry were used to determine protein expression and cellular localization...
April 2018: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29466156/efficacy-of-larotrectinib-in-trk-fusion-positive-cancers-in-adults-and-children
#16
Alexander Drilon, Theodore W Laetsch, Shivaani Kummar, Steven G DuBois, Ulrik N Lassen, George D Demetri, Michael Nathenson, Robert C Doebele, Anna F Farago, Alberto S Pappo, Brian Turpin, Afshin Dowlati, Marcia S Brose, Leo Mascarenhas, Noah Federman, Jordan Berlin, Wafik S El-Deiry, Christina Baik, John Deeken, Valentina Boni, Ramamoorthy Nagasubramanian, Matthew Taylor, Erin R Rudzinski, Funda Meric-Bernstam, Davendra P S Sohal, Patrick C Ma, Luis E Raez, Jaclyn F Hechtman, Ryma Benayed, Marc Ladanyi, Brian B Tuch, Kevin Ebata, Scott Cruickshank, Nora C Ku, Michael C Cox, Douglas S Hawkins, David S Hong, David M Hyman
BACKGROUND: Fusions involving one of three tropomyosin receptor kinases (TRK) occur in diverse cancers in children and adults. We evaluated the efficacy and safety of larotrectinib, a highly selective TRK inhibitor, in adults and children who had tumors with these fusions. METHODS: We enrolled patients with consecutively and prospectively identified TRK fusion-positive cancers, detected by molecular profiling as routinely performed at each site, into one of three protocols: a phase 1 study involving adults, a phase 1-2 study involving children, or a phase 2 study involving adolescents and adults...
February 22, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29431697/convergent-therapeutic-strategies-to-overcome-the-heterogeneity-of-acquired-resistance-in-braf-v600e-colorectal-cancer
#17
Mehlika Hazar-Rethinam, Marianna Kleyman, G Celine Han, David Liu, Leanne G Ahronian, Heather A Shahzade, Lifeng Chen, Aparna R Parikh, Jill N Allen, Jeffrey W Clark, Eunice L Kwak, Jason E Faris, Janet E Murphy, Theodore S Hong, Emily E Van Seventer, Brandon Nadres, Catriona B Hong, Joseph M Gurski, Nicholas A Jessop, Dora Dias-Santagata, A John Iafrate, Eliezer M Van Allen, Ryan B Corcoran
Clonal heterogeneity associated with acquired resistance presents a critical therapeutic challenge. Whole-exome sequencing of paired tumor biopsies and targeted sequencing of cell-free DNA (cfDNA) from patients with BRAFV600E colorectal cancer receiving BRAF inhibitor combinations identified 14 distinct alterations in MAPK pathway components driving acquired resistance, with as many as eight alterations in a single patient. We developed a pooled clone system to study clonal outgrowth during acquired resistance, in vitro and in vivo In vitro , the dynamics of individual resistant clones could be monitored in real time in cfDNA isolated from culture media during therapy...
April 2018: Cancer Discovery
https://www.readbyqxmd.com/read/29426693/clinical-needs-assessment-for-sexual-health-among-cancer-patients-receiving-pelvic-radiation-implications-for-development-of-a-radiation-oncology-sexual-health-clinic
#18
Jennifer Y Wo, Lorraine C Drapek, Andrzej Niemierko, Brenda Silvia, Bridget N Noé, Andrea L Russo, David T Miyamoto, Theodore S Hong, Jason A Efstathiou, Anthony L Zietman, Don S Dizon
BACKGROUND: Cancer patients treated with pelvic radiation therapy (RT) often experience sexual health-related side effects during and following treatment. A clinical needs assessment was used to evaluate sexual health needs and to determine how needs differed between patients receiving and who had completed RT. METHODS AND MATERIALS: A questionnaire was used to evaluate sexual health needs among patients treated with pelvic RT. All answers were rated using a 4-point Likert scale...
November 21, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/29426649/rest-and-stress-longitudinal-systolic-left-ventricular-mechanics-in-hypertrophic-cardiomyopathy-implications-for-prognostication
#19
Iraklis Pozios, Aurelio Pinheiro, Celia Corona-Villalobos, Lars L Sorensen, Zeina Dardari, Hong-Yun Liu, Kenneth Cresswell, Susan Phillip, David A Bluemke, Stefan L Zimmerman, M Roselle Abraham, Theodore P Abraham
BACKGROUND: Exercise intolerance is the most common symptom in hypertrophic cardiomyopathy (HCM). We examined whether inability to augment myocardial mechanics during exercise would influence functional performance and clinical outcomes in HCM. METHODS: Ninety-five HCM patients (32 nonobstructive, 32 labile-obstructive, 31 obstructive) and 26 controls of similar age and gender distribution were recruited prospectively. They underwent rest and treadmill stress strain echocardiography, and 61 of them underwent magnetic resonance imaging...
February 6, 2018: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/29394241/chlorinated-lipids-elicit-inflammatory-responses-in-vitro-and-in-vivo
#20
Hong Yu, Meifang Wang, Derek Wang, Theodore J Kalogeris, Jane McHowat, David A Ford, Ronald J Korthuis
Increased endothelial cell adhesion molecule (ECAM) expression, leukocyte-endothelial cell adhesive interactions (LECA), platelet-endothelial cell adhesion (PECA), mast cell activation, production of reactive oxygen species (ROS), and microvascular permeability are hallmarks of the inflammatory response. The infiltration of inflammatory phagocytes is associated with myeloperoxidase (MPO)-dependent production of hypochlorous acid (HOCl), a reactive chlorinating species (RCS) that targets membrane lipids to produce halogenated lipids such as 2-chlorohexadecanal (2-ClHDA) and 2-chloropalmitic acid (2-ClPA)...
February 1, 2018: Shock
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