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Theodore hong

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https://www.readbyqxmd.com/read/28440794/se-sad-serial-femtosecond-crystallography-datasets-from-selenobiotinyl-streptavidin
#1
Chun Hong Yoon, Hasan DeMirci, Raymond G Sierra, E Han Dao, Radman Ahmadi, Fulya Aksit, Andrew L Aquila, Alexander Batyuk, Halilibrahim Ciftci, Serge Guillet, Matt J Hayes, Brandon Hayes, Thomas J Lane, Meng Liang, Ulf Lundström, Jason E Koglin, Paul Mgbam, Yashas Rao, Theodore Rendahl, Evan Rodriguez, Lindsey Zhang, Soichi Wakatsuki, Sébastien Boutet, James M Holton, Mark S Hunter
We provide a detailed description of selenobiotinyl-streptavidin (Se-B SA) co-crystal datasets recorded using the Coherent X-ray Imaging (CXI) instrument at the Linac Coherent Light Source (LCLS) for selenium single-wavelength anomalous diffraction (Se-SAD) structure determination. Se-B SA was chosen as the model system for its high affinity between biotin and streptavidin where the sulfur atom in the biotin molecule (C10H16N2O3S) is substituted with selenium. The dataset was collected at three different transmissions (100, 50, and 10%) using a serial sample chamber setup which allows for two sample chambers, a front chamber and a back chamber, to operate simultaneously...
April 25, 2017: Scientific Data
https://www.readbyqxmd.com/read/28434648/nivolumab-in-patients-with-advanced-hepatocellular-carcinoma-checkmate-040-an-open-label-non-comparative-phase-1-2-dose-escalation-and-expansion-trial
#2
Anthony B El-Khoueiry, Bruno Sangro, Thomas Yau, Todd S Crocenzi, Masatoshi Kudo, Chiun Hsu, Tae-You Kim, Su-Pin Choo, Jörg Trojan, Theodore H Welling, Tim Meyer, Yoon-Koo Kang, Winnie Yeo, Akhil Chopra, Jeffrey Anderson, Christine Dela Cruz, Lixin Lang, Jaclyn Neely, Hao Tang, Homa B Dastani, Ignacio Melero
BACKGROUND: For patients with advanced hepatocellular carcinoma, sorafenib is the only approved drug worldwide, and outcomes remain poor. We aimed to assess the safety and efficacy of nivolumab, a programmed cell death protein-1 (PD-1) immune checkpoint inhibitor, in patients with advanced hepatocellular carcinoma with or without chronic viral hepatitis. METHODS: We did a phase 1/2, open-label, non-comparative, dose escalation and expansion trial (CheckMate 040) of nivolumab in adults (≥18 years) with histologically confirmed advanced hepatocellular carcinoma with or without hepatitis C or B (HCV or HBV) infection...
April 20, 2017: Lancet
https://www.readbyqxmd.com/read/28398845/potentially-curable-pancreatic-cancer-american-society-of-clinical-oncology-clinical-practice-guideline-update
#3
Alok A Khorana, Pamela B Mangu, Jordan Berlin, Anitra Engebretson, Theodore S Hong, Anirban Maitra, Supriya G Mohile, Matthew Mumber, Richard Schulick, Marc Shapiro, Susan Urba, Herbert J Zeh, Matthew H G Katz
Purpose To update the Potentially Curable Pancreatic Cancer: American Society of Clinical Oncology Clinical Practice Guideline published on May 31, 2016. The October 2016 update focuses solely on new evidence that pertains to clinical question 4 of the guideline: What is the appropriate adjuvant regimen for patients with pancreatic cancer who have undergone an R0 or R1 resection of their primary tumor? Methods The recently published results of a randomized phase III study prompted an update of this guideline...
April 11, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28341320/gallbladder-toxicity-and-high-dose-ablative-intent-radiation-for-liver-tumors-should-we-constrain-the-dose
#4
Shyam K Tanguturi, Andrzej Niemierko, Jennifer Y Wo, Khanhnhat N Nguyen, Hugh Prichard, Andrew X Zhu, John A Wolfgang, Theodore S Hong
PURPOSE: Little is known about the risk of gallbladder toxicity from hypofractionated (HFXRT) and stereotactic body radiation therapy (SBRT). We report on gallbladder toxicity and attribution to treatment in a prospective series of patients with primary and metastatic liver tumors receiving ablative-intent HFXRT and SBRT with protons. METHODS AND MATERIALS: We evaluated 93 patients with intact gallbladders enrolled in either of 2 trials investigating proton HFXRT and SBRT for primary and metastatic liver tumors from 2009 to 2014...
February 9, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28287730/discovery-of-n-3r-4r-4-fluoro-1-6-3-methoxy-1-methyl-1h-pyrazol-4-yl-amino-9-methyl-9h-purin-2-yl-pyrrolidine-3-yl-acrylamide-pf-06747775-through-structure-based-drug-design-a-high-affinity-irreversible-inhibitor-targeting-oncogenic-egfr-mutants-with-selectivity
#5
Simon Planken, Douglas C Behenna, Sajiv K Nair, Theodore O Johnson, Asako Nagata, Chau Almaden, Simon Bailey, T Eric Ballard, Louise Bernier, Hengmiao Cheng, Sujin Cho-Schultz, Deepak Dalvie, Judith G Deal, Dac M Dinh, Martin P Edwards, Rose Ann Ferre, Ketan S Gajiwala, Michelle Hemkens, Robert S Kania, John C Kath, Jean Matthews, Brion W Murray, Sherry Niessen, Suvi T M Orr, Mason Pairish, Neal W Sach, Hong Shen, Manli Shi, James Solowiej, Khanh Tran, Elaine Tseng, Paolo Vicini, Yuli Wang, Scott L Weinrich, Ru Zhou, Michael Zientek, Longqing Liu, Yiqin Luo, Shuibo Xin, Chengyi Zhang, Jennifer Lafontaine
Mutant epidermal growth factor receptor (EGFR) is a major driver of non-small-cell lung cancer (NSCLC). Marketed first generation inhibitors, such as erlotinib, effect a transient beneficial response in EGFR mutant NSCLC patients before resistance mechanisms render these inhibitors ineffective. Secondary oncogenic EGFR mutations account for approximately 50% of relapses, the most common being the gatekeeper T790M substitution that renders existing therapies ineffective. The discovery of PF-06459988 (1), an irreversible pyrrolopyrimidine inhibitor of EGFR T790M mutants, was recently disclosed...
April 13, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28221106/pulmonary-nontuberculous-mycobacteria-associated-deaths-ontario-canada-2001-2013
#6
Theodore K Marras, Michael A Campitelli, Hong Lu, Hannah Chung, Sarah K Brode, Alex Marchand-Austin, Kevin L Winthrop, Andrea S Gershon, Jeffrey C Kwong, Frances B Jamieson
Survival implications of nontuberculous mycobacterial pulmonary disease (NTM-PD) and NTM pulmonary isolation without disease (NTM-PI) are unclear. To study deaths associated with NTM-PD and NTM-PI and differences in survival between them, we conducted a population-based cohort study of persons with microbiologically defined NTM-PD or NTM-PI diagnosed during 2001-2013 in Ontario, Canada. We used propensity score matching and Cox proportional hazards models to compare survival. Among 9,681 NTM-PD patients and 10,936 NTM-PI patients, 87% and 91%, respectively, were successfully matched with unexposed controls...
March 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28209443/continued-benefit-to-rectal-separation-for-prostate-radiation-therapy-final-results-of%C3%A2-a%C3%A2-phase-iii-trial
#7
Daniel A Hamstra, Neil Mariados, John Sylvester, Dhiren Shah, Lawrence Karsh, Richard Hudes, David Beyer, Steven Kurtzman, Jeffrey Bogart, R Alex Hsi, Michael Kos, Rodney Ellis, Mark Logsdon, Shawn Zimberg, Kevin Forsythe, Hong Zhang, Edward Soffen, Patrick Francke, Constantine Mantz, Peter Rossi, Theodore DeWeese, Stephanie Daignault-Newton, Benjamin W Fischer-Valuck, Anupama Chundury, Hiram Gay, Walter Bosch, Jeff Michalski
PURPOSE: SpaceOAR, a Food and Drug Administration-approved hydrogel intended to create a rectal-prostate space, was evaluated in a single-blind phase III trial of image guided intensity modulated radiation therapy. A total of 222 men were randomized 2:1 to the spacer or control group and received 79.2 Gy in 1.8-Gy fractions to the prostate with or without the seminal vesicles. The present study reports the final results with a median follow-up period of 3 years. METHODS AND MATERIALS: Cumulative (Common Terminology Criteria for Adverse Events, version 4...
December 23, 2016: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28202526/radiation-resistance-in-kras-mutated-lung-cancer-is-enabled-by-stem-like-properties-mediated-by-an-osteopontin-egfr-pathway
#8
Meng Wang, Jing Han, Lynnette Marcar, Josh Black, Qi Liu, Xiangyong Li, Kshithija Nagulapalli, Lecia V Sequist, Raymond H Mak, Cyril H Benes, Theodore S Hong, Kristin Gurtner, Mechthild Krause, Michael Baumann, Jing X Kang, Johnathan R Whetstine, Henning Willers
Lung cancers with activating KRAS mutations are characterized by treatment resistance and poor prognosis. In particular, the basis for their resistance to radiation therapy is poorly understood. Here, we describe a radiation resistance phenotype conferred by a stem-like subpopulation characterized by mitosis-like condensed chromatin (MLCC), high CD133 expression, invasive potential, and tumor-initiating properties. Mechanistic investigations defined a pathway involving osteopontin and the EGFR in promoting this phenotype...
February 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28169989/clustering-of-770-000-genomes-reveals-post-colonial-population-structure-of-north-america
#9
Eunjung Han, Peter Carbonetto, Ross E Curtis, Yong Wang, Julie M Granka, Jake Byrnes, Keith Noto, Amir R Kermany, Natalie M Myres, Mathew J Barber, Kristin A Rand, Shiya Song, Theodore Roman, Erin Battat, Eyal Elyashiv, Harendra Guturu, Eurie L Hong, Kenneth G Chahine, Catherine A Ball
Despite strides in characterizing human history from genetic polymorphism data, progress in identifying genetic signatures of recent demography has been limited. Here we identify very recent fine-scale population structure in North America from a network of over 500 million genetic (identity-by-descent, IBD) connections among 770,000 genotyped individuals of US origin. We detect densely connected clusters within the network and annotate these clusters using a database of over 20 million genealogical records...
February 7, 2017: Nature Communications
https://www.readbyqxmd.com/read/28134673/tolerability-and-long-term-outcomes-of-dose-painted-neoadjuvant-chemoradiation-to-regions-of-vessel-involvement-in-borderline-or-locally-advanced-pancreatic-cancer
#10
Jennifer Y Wo, Andrzej Niemierko, David P Ryan, Lawrence S Blaszkowsky, Jeffrey W Clark, Eunice L Kwak, Keith D Lillemoe, Lorraine N Drapek, Andrew X Zhu, Jill N Allen, Jason E Faris, Janet E Murphy, Ryan Nipp, Carlos Fernandez-Del Castillo, Cristina R Ferrone, Theodore S Hong
PURPOSE: We reviewed our experience involving patients with borderline resectable or locally advanced pancreatic cancer, treated with the dose-painted (DP) boost technique to regions of vessel involvement which preclude upfront surgical resection. We evaluated patient outcomes with respect to tolerability and treatment outcomes. MATERIALS AND METHODS: We retrospectively reviewed 99 patients with borderline resectable (n=25) or locally advanced pancreatic cancer (n=74) treated with DP-neoadjuvant chemoradiation from 2010 to 2015...
January 27, 2017: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28078106/advances-in-cholangiocarcinoma-research-report-from-the-third-cholangiocarcinoma-foundation-annual-conference
#11
Ghassan K Abou-Alfa, Jesper B Andersen, William Chapman, Michael Choti, Stuart J Forbes, Gregory J Gores, Theodore S Hong, James J Harding, Matthew G Vander Heiden, Milind Javle, Robin K Kelley, Lawrence N Kwong, Maeve Lowery, Allyson Merrell, Katsuyuki Miyabe, Andrew Rhim, Supriya Saha, Daniela Sia, Suebpong Tanasanvimon, Alan Venook, Juan W Valle, Chad Walesky, Jonathan Whetstine, Holger Willenbring, Andrew X Zhu, Donna Mayer, Ben Z Stanger
No abstract text is available yet for this article.
December 2016: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28012804/improved-cough-and-cough-specific-quality%C3%A2-of-life-in-patients-treated-for-scleroderma-related-interstitial-lung-disease-results-of-scleroderma-lung-study-ii
#12
Donald P Tashkin, Elizabeth R Volkmann, Chi-Hong Tseng, Michael D Roth, Dinesh Khanna, Daniel E Furst, Philip J Clements, Arthur Theodore, Suzanne Kafaja, Grace Hyun Kim, Jonathan Goldin, Edgar Ariolla, Robert M Elashoff
BACKGROUND: Cough is a common symptom of scleroderma-related interstitial lung disease (SSc-ILD), but its relationship to other characteristics of SSc-ILD, impact on cough-specific quality of life (QoL), and response to therapy for SSc-ILD have not been well studied. METHODS: We investigated frequent cough (FC) in patients with SSc-ILD (N = 142) enrolled in the Scleroderma Lung Study II, a randomized controlled trial comparing mycophenolate mofetil (MMF) and oral cyclophosphamide (CYC) as treatments for interstitial lung disease (ILD)...
April 2017: Chest
https://www.readbyqxmd.com/read/28005671/hyperspectral-autofluorescence-imaging-of-drusen-and-retinal-pigment-epithelium-in-donor-eyes-with-age-related-macular-degeneration
#13
Yuehong Tong, Tal Ben Ami, Sungmin Hong, Rainer Heintzmann, Guido Gerig, Zsolt Ablonczy, Christine A Curcio, Thomas Ach, R Theodore Smith
PURPOSE: To elucidate the molecular pathogenesis of age-related macular degeneration (AMD) and interpretation of fundus autofluorescence imaging, the authors identified spectral autofluorescence characteristics of drusen and retinal pigment epithelium (RPE) in donor eyes with AMD. METHODS: Macular RPE/Bruch membrane flat mounts were prepared from 5 donor eyes with AMD. In 12 locations (1-3 per eye), hyperspectral autofluorescence images in 10-nm-wavelength steps were acquired at 2 excitation wavelengths (λex 436, 480 nm)...
December 2016: Retina
https://www.readbyqxmd.com/read/28002705/case-39-2016-a-74-year-old-man-with-rectal-bleeding-and-a-history-of-prostate-cancer
#14
Theodore S Hong, Phillip J Gray, Jill N Allen, Paul C Shellito, Kathryn P Lowry, Lawrence R Zukerberg
Presentation of Case. Dr. Theodore S. Hong: A 74-year-old man with a history of prostate cancer that had been treated with brachytherapy was seen in an outpatient clinic of this hospital because of rectal bleeding of 6 months’ duration. The patient had been well until approximately 6 months before..
December 22, 2016: New England Journal of Medicine
https://www.readbyqxmd.com/read/27959609/case-35-2016-a-62-year-old-man-with-dysphagia
#15
Eunice L Kwak, Theodore S Hong, David G Forcione, Avinash Kambadakone, Jochen K Lennerz
Presentation of Case. Dr. Eunice L. Kwak: A 62-year-old man was seen in the outpatient oncology clinic of this hospital because of metastatic esophageal adenocarcinoma. Approximately 2 months before this presentation, the patient noted discomfort in his throat that he described as a "golf ball."..
November 17, 2016: New England Journal of Medicine
https://www.readbyqxmd.com/read/27916612/corrigendum-to-a-novel-multilocus-phylogenetic-estimation-reveals-unrecognized-diversity-in-asian-horned-toads-genus-megophrys-sensu-lato-anura-megophryidae-mol-phylogen-evol-106-2017-28-43
#16
Jin-Min Chen, Wei-Wei Zhou, Nikolay A Poyarkov, Bryan L Stuart, Rafe M Brown, Amy Lathrop, Ying-Yong Wang, Zhi-Yong Yuan, Ke Jiang, Mian Hou, Hong-Man Chen, Chatmongkon Suwannapoom, Sang Ngoc Nguyen, Tang Van Duong, Theodore J Papenfuss, Robert W Murphy, Ya-Ping Zhang, Jing Che
No abstract text is available yet for this article.
December 1, 2016: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/27858558/understanding-the-paradigm-shift-in-pancreatic-cancer
#17
David P Ryan, Theodore S Hong
No abstract text is available yet for this article.
October 2016: Journal of Oncology Practice
https://www.readbyqxmd.com/read/27846142/predictors-of-early-mortality-after-surgical-resection-of-pancreatic-adenocarcinoma-in-the-era-of-neoadjuvant-treatment
#18
Ryan D Nipp, Andrea Zanconato, Hui Zheng, Cristina R Ferrone, Keith D Lillemoe, Jennifer Y Wo, Theodore S Hong, Jeffrey W Clark, David P Ryan, Carlos Fernández-Del Castillo
OBJECTIVES: Neoadjuvant treatments are increasingly used for patients with pancreatic ductal adenocarcinoma (PDAC), yet some experience early mortality after resection. We sought to identify predictors of early mortality after PDAC resection and determine their interaction with neoadjuvant therapy. METHODS: We performed a retrospective study of patients with PDAC resection from March 2011 to March 2014. We compared those who died within one year after surgery to those living beyond 1 year, and those who received neoadjuvant therapy to those taken directly to surgery...
February 2017: Pancreas
https://www.readbyqxmd.com/read/27749696/hyperspectral-autofluorescence-imaging-of-drusen-and-retinal-pigment-epithelium-in-donor-eyes-with-age-related-macular-degeneration
#19
Yuehong Tong, Tal Ben Ami, Sungmin Hong, Rainer Heintzmann, Guido Gerig, Zsolt Ablonczy, Christine A Curcio, Thomas Ach, R Theodore Smith
PURPOSE: To elucidate the molecular pathogenesis of age-related macular degeneration (AMD) and interpretation of fundus autofluorescence imaging, the authors identified spectral autofluorescence characteristics of drusen and retinal pigment epithelium (RPE) in donor eyes with AMD. METHODS: Macular RPE/Bruch membrane flat mounts were prepared from 5 donor eyes with AMD. In 12 locations (1-3 per eye), hyperspectral autofluorescence images in 10-nm-wavelength steps were acquired at 2 excitation wavelengths (λex 436, 480 nm)...
September 30, 2016: Retina
https://www.readbyqxmd.com/read/27740973/intraoperative-radiotherapy-in-the-era-of-intensive-neoadjuvant-chemotherapy-and-chemoradiotherapy-for-pancreatic-adenocarcinoma
#20
Florence K Keane, Jennifer Y Wo, Cristina R Ferrone, Jeffrey W Clark, Lawrence S Blaszkowsky, Jill N Allen, Eunice L Kwak, David P Ryan, Keith D Lillemoe, Carlos Fernandez-Del Castillo, Theodore S Hong
OBJECTIVES: Improved outcomes with FOLFIRINOX or gemcitabine with nab-paclitaxel in the treatment of metastatic pancreatic adenocarcinoma (PDAC) have prompted incorporation of these regimens into neoadjuvant treatment of locally advanced unresectable PDAC. Whereas some patients remain unresectable on surgical exploration, others are able to undergo resection after intensive neoadjuvant treatment. We evaluated outcomes and toxicity associated with use of intensive neoadjuvant treatment followed by intraoperative radiotherapy (IORT) in combination with resection or exploratory laparotomy...
October 12, 2016: American Journal of Clinical Oncology
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