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Kenneth Wang

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https://www.readbyqxmd.com/read/28430579/antiangiogenesis-and-gene-aberration-related-therapy-may-improve-overall-survival-in-patients-with-concurrent-kras-and-tp53-hotspot-mutant-cancer
#1
Zhijie Wang, Sarina Piha-Paul, Filip Janku, Vivek Subbiah, Naiyi Shi, Jing Gong, Chetna Wathoo, Kenna Shaw, Kenneth Hess, Russell Broaddus, Aung Naing, David Hong, Apostolia M Tsimberidou, Daniel Karp, James Yao, Funda Meric-Bernstam, Siqing Fu
PURPOSE: Genetic alterations such as activating KRAS and/or inactivating TP53 are thought to be the most common drivers to tumorigenesis. Therefore, we assessed phase I cancer patients with KRAS+/TP53+ mutations. RESULTS: Approximately 8% of patients referred to phase I clinical trials harbored concurrent KRAS and TP53 mutations. Patients who received a phase I trial therapy (n = 57) had a median OS of 12 months, compared with 4.6 months in those who were not treated (n = 106; p = 0...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430437/discovery-of-an-hcv-ns5b-replicase-palm-site-allosteric-inhibitor-bms-929075-advanced-to-phase-1-clinical-studies
#2
Kap-Sun Yeung, Brett R Beno, Kyle Parcella, John A Bender, Katherine A Grant-Young, Andrew Nickel, Prashantha Gunaga, Prakash Anjanappa, Rajesh Onkardas Bora, Kumaravel Selvakumar, Karen Rigat, Ying-Kai Wang, Mengping Liu, Julie A Lemm, Kathy Mosure, Steven Sheriff, Changhong Wan, Mark Witmer, Kevin Kish, Umesh M Hanumegowda, Xiaoliang Zhuo, Yue-Zhong Shu, Dawn Parker, Roy Haskell, Alicia Ng, Qi Gao, Elizabeth Colston, Joseph Raybon, Dennis M Grasela, Kenneth S Santone, Min Gao, Nicholas A Meanwell, Michael W Sinz, Matthew G Soars, Jay O Knipe, Susan B Roberts, John F Kadow
The hepatitis C virus NS5B replicase is a prime target for the development of direct-acting antiviral drugs for the treatment of chronic HCV infection. Inspired by the overlay of bound structures of three structurally distinct NS5B palm site allosteric inhibitors, the high throughput screening hit anthranilic acid 4, the known benzofuran analog 5 and the benzothiadiazine derivative 6, an optimization process utilizing the simple benzofuran template 7 as a starting point for a fragment growing approach was pursued...
April 21, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28430243/amplitude-versus-phase-effects-in-extreme-ultraviolet-lithography-mask-scattering-and-imaging
#3
Patrick P Naulleau, Markus Benk, Kenneth A Goldberg, Eric M Gullikson, Antoine Wojdyla, Yow-Gwo Wang, Andy Neureuther
It is now well established that extreme ultraviolet (EUV) mask multilayer roughness leads to wafer-plane line-width roughness (LWR) in the lithography process. Analysis and modeling done to date has assumed, however, that the roughness leading to scatter is primarily a phase effect and that the amplitude can be ignored. Under this assumption, simple scattering measurements can be used to characterize the statistical properties of the mask roughness. Here, we explore the implications of this simplifying assumption by modeling the imaging impacts of the roughness amplitude component as a function of the balance between amplitude and phase induced scatter...
April 20, 2017: Applied Optics
https://www.readbyqxmd.com/read/28426334/myopigenic-activity-change-and-its-risk-factors-in-urban-students-in-beijing-three-year-report-of-beijing-myopia-progression-study
#4
Zhong Lin, Balamurali Vasudevan, Kenneth J Ciuffreda, Hong Jia Zhou, Guang Yun Mao, Ning Li Wang, Yuan Bo Liang
PURPOSE: To investigate the myopigenic activity change and its risk factors in urban students in Beijing. METHODS: A total of 241 primary or secondary students aged 6-17 years from the Beijing Myopia Progression Study (BMPS) were re-examined 3 years after their baseline enrollment. A detailed questionnaire was administered to assess myopigenic activities at both baseline and at the 3-year follow-up. Altogether, 217 students (90.0%) with completed data were included in the analysis...
April 20, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28422667/modeling-and-analysis-of-beta-oscillations-in-the-basal-ganglia
#5
Chen Liu, Jiang Wang, Huiyan Li, Chris Fietkiewicz, Kenneth A Loparo
Enhanced beta (12-30 Hz) oscillatory activity in the basal ganglia (BG) is a prominent feature of the Parkinsonian state in animal models and in patients with Parkinson's disease. Increased beta oscillations are associated with severe dopaminergic striatal depletion. However, the mechanisms underlying these pathological beta oscillations remain elusive. Inspired by the experimental observation that only subsets of neurons within each nucleus in the BG exhibit oscillatory activities, a computational model of the BG-thalamus neuronal network is proposed, which is characterized by subdivided nuclei within the BG...
April 12, 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28421767/base-layer-influence-on-protonated-aminosilane-gradient-wettability
#6
Kayesh M Ashraf, Chenyu Wang, Sithara S Nair, Kenneth J Wynne, Daniel A Higgins, Maryanne M Collinson
Protonated amine gradients have been prepared on silicon wafers via programmed controlled rate infusion (CRI) with varying degrees of hydrophobicity and characterized by X-ray photoelectron spectroscopy (XPS) and static and Wilhelmy plate dynamic contact angle measurements. Initially, base layers were spin coated from sols containing tetramethoxysilane (TMOS) and either phenyltrimethoxysilane (PTMOS), dimethyldimethoxysilane (DMDMOS), or octyltrimethoxysilane (OTMOS, C8). Amine gradients were then prepared from 3-aminopropyltriethoxysilane (APTEOS) via CRI...
April 19, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28420874/therapeutic-targeting-using-tumor-specific-peptides-inhibits-long-non-coding-rna-hotair-activity-in-ovarian-and-breast-cancer
#7
Ali R Özeş, Yinu Wang, Xingyue Zong, Fang Fang, Jay Pilrose, Kenneth P Nephew
Long non-coding RNAs (lncRNAs) play key roles in human diseases, including cancer. Functional studies of the lncRNA HOTAIR (HOX transcript antisense RNA) provide compelling evidence for therapeutic targeting of HOTAIR in cancer, but targeting lncRNAs in vivo has proven to be difficult. In the current study, we describe a peptide nucleic acids (PNA)-based approach to block the ability of HOTAIR to interact with EZH2 and subsequently inhibit HOTAIR-EZH2 activity and resensitize resistant ovarian tumors to platinum...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28419251/evaluating-genetic-variants-associated-with-breast-cancer-risk-in-high-and-moderate-penetrance-genes-in-asians
#8
Mi-Ryung Han, Wei Zheng, Qiuyin Cai, Yu-Tang Gao, Ying Zheng, Manjeet K Bolla, Kyriaki Michailidou, Joe Dennis, Qin Wang, Alison M Dunning, Paul Brennan, Shou-Tung Chen, Ji-Yeob Choi, Mikael Hartman, Hidemi Ito, Artitaya Lophatananon, Keitaro Matsuo, Hui Miao, Kenneth Muir, Suleeporn Sangrajrang, Chen-Yang Shen, Soo Hwang Teo, Chiu-Chen Tseng, Anna H Wu, Cheng Har Yip, Daehee Kang, Yong-Bing Xiang, Douglas F Easton, Xiao-Ou Shu, Jirong Long
Over the past 20 years, high-penetrance pathogenic mutations in genes BRCA1, BRCA2, TP53, PTEN, STK11, and CDH1 and moderate-penetrance mutations in genes CHEK2, ATM, BRIP1, PALB2, RAD51C, RAD50, and NBN have been identified for breast cancer. In the present study, we investigated whether there are additional variants in these 13 genes associated with breast cancer among women of Asian ancestry. We analyzed up to 654 single nucleotide polymorphisms (SNPs) from 6269 cases and 6624 controls of Asian descent included in the Breast Cancer Association Consortium (BCAC), and up to 236 SNPs from 5794 cases and 5529 controls included in the Shanghai Breast Cancer Genetics Study (SBCGS)...
April 17, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28416797/unification-of-de-novo-and-acquired-ibrutinib-resistance-in-mantle-cell-lymphoma
#9
Xiaohong Zhao, Tint Lwin, Ariosto Silva, Bijal Shah, Jiangchuan Tao, Bin Fang, Liang Zhang, Kai Fu, Chengfeng Bi, Jiannong Li, Huijuan Jiang, Mark B Meads, Timothy Jacobson, Maria Silva, Allison Distler, Lancia Darville, Ling Zhang, Ying Han, Dmitri Rebatchouk, Maurizio Di Liberto, Lynn C Moscinski, John M Koomen, William S Dalton, Kenneth H Shain, Michael Wang, Eduardo Sotomayor, Jianguo Tao
The novel Bruton's tyrosine kinase inhibitor ibrutinib has demonstrated high response rates in B-cell lymphomas; however, a growing number of ibrutinib-treated patients relapse with resistance and fulminant progression. Using chemical proteomics and an organotypic cell-based drug screening assay, we determine the functional role of the tumour microenvironment (TME) in ibrutinib activity and acquired ibrutinib resistance. We demonstrate that MCL cells develop ibrutinib resistance through evolutionary processes driven by dynamic feedback between MCL cells and TME, leading to kinome adaptive reprogramming, bypassing the effect of ibrutinib and reciprocal activation of PI3K-AKT-mTOR and integrin-β1 signalling...
April 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28416672/bisulfite-converted-duplexes-for-the-strand-specific-detection-and-quantification-of-rare-mutations
#10
Austin K Mattox, Yuxuan Wang, Simeon Springer, Joshua D Cohen, Srinivasan Yegnasubramanian, William G Nelson, Kenneth W Kinzler, Bert Vogelstein, Nickolas Papadopoulos
The identification of mutations that are present at low frequencies in clinical samples is an essential component of precision medicine. The development of molecular barcoding for next-generation sequencing has greatly enhanced the sensitivity of detecting such mutations by massively parallel sequencing. However, further improvements in specificity would be useful for a variety of applications. We herein describe a technology (BiSeqS) that can increase the specificity of sequencing by at least two orders of magnitude over and above that achieved with molecular barcoding and can be applied to any massively parallel sequencing instrument...
April 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28411194/systematic-characterization-of-a-to-i-rna-editing-hotspots-in-micrornas-across-human-cancers
#11
Yumeng Wang, Xiaoyan Xu, Shuangxing Yu, Kang Jin Kang, Zhicheng Zhou, Leng Han, Yiu Huen Tsang, Jun Li, Hu Chen, Lingegowda S Mangala, Yuan Yuan, A Karina Eterovic, Yiling Lu, Anil K Sood, Kenneth L Scott, Gordon B Mills, Han Liang
RNA editing, a widespread posttranscriptional mechanism, has emerged as a new player in cancer biology. Recent studies have reported key roles for individual miRNA editing events, but a comprehensive picture of miRNA editing in human cancers remains largely unexplored. Here we systematically characterized the miRNA editing profiles of 8,595 samples across 20 cancer types from miRNA sequencing data of The Cancer Genome Atlas and identified 19 adenosine-to-inosine (A-to-I) RNA editing hotspots. We independently validated 15 of them by perturbation experiments in several cancer cell lines...
April 14, 2017: Genome Research
https://www.readbyqxmd.com/read/28404094/development-and-validation-of-a-dynamic-outcome-prediction-model-for-paracetamol-induced-acute-liver-failure-a-cohort-study
#12
William Bernal, Yanzhong Wang, James Maggs, Christopher Willars, Elizabeth Sizer, Georg Auzinger, Nicholas Murphy, Damian Harding, Ahmed Elsharkawy, Kenneth Simpson, Fin Stolze Larsen, Nigel Heaton, John O'Grady, Roger Williams, Julia Wendon
BACKGROUND: Early, accurate prediction of survival is central to management of patients with paracetamol-induced acute liver failure to identify those needing emergency liver transplantation. Current prognostic tools are confounded by recent improvements in outcome independent of emergency liver transplantation, and constrained by static binary outcome prediction. We aimed to develop a simple prognostic tool to reflect current outcomes and generate a dynamic updated estimation of risk of death...
November 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28404011/cytosponge-use-in-risk-stratification-of-barrett-s-oesophagus
#13
Liam Zakko, Prasad Iyer, Kavel Visrodia, Kenneth K Wang
No abstract text is available yet for this article.
January 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28397706/nucleation-and-growth-process-of-atomic-layer-deposition-platinum-nanoparticles-on-strontium-titanate-nanocuboids
#14
Chuandao Wang, Linhua Hu, Kenneth Poeppelmeier, Peter C Stair, Laurence Marks
Uniform, well-dispersed platinum nanoparticles were grown on SrTiO3 nanocuboids via atomic layer deposition (ALD) using (methylcyclopentadienyl)trimethylplatinum (MeCpPt(Me)3) and water. For the first half-cycle of the deposition particles formed through two sequential processes: initial nucleation and growth. The final particle size after a single complete ALD cycle was dependent on the reaction temperature which alters the net Pt deposition per cycle. Additional cycles resulted in further growth of previously formed particles...
May 5, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28396119/interferon-%C3%AE-production-by-tubulointerstitial-human-cd56-bright-natural-killer-cells-contributes-to-renal-fibrosis-and-chronic-kidney-disease-progression
#15
Becker M P Law, Ray Wilkinson, Xiangju Wang, Katrina Kildey, Mae Lindner, Melissa J Rist, Kenneth Beagley, Helen Healy, Andrew J Kassianos
Natural killer (NK) cells are a population of lymphoid cells that play a significant role in mediating innate immune responses. Studies in mice suggest a pathological role for NK cells in models of kidney disease. In this study, we characterized the NK cell subsets present in native kidneys of patients with tubulointerstitial fibrosis, the pathological hallmark of chronic kidney disease. Significantly higher numbers of total NK cells (CD3(-)CD56(+)) were detected in renal biopsies with tubulointerstitial fibrosis compared with diseased biopsies without fibrosis and healthy kidney tissue using multi-color flow cytometry...
April 8, 2017: Kidney International
https://www.readbyqxmd.com/read/28393530/a-new-electrochemical-system-based-on-a-flow-field-shaped-solid-electrode-and-3d-printed-thin-layer-flow-cell-detection-of-pb-2-ions-by-continuous-flow-accumulation-square-wave-anodic-stripping-voltammetry
#16
Qianwen Sun, Jikui Wang, Meihua Tang, Liming Huang, Zhiyi Zhang, Chang Liu, Xiaohua Lu, Kenneth W Hunter, Guosong Chen
Here we describe a new and sensitive flow electrochemical detection system that employs a novel flow-field shaped solid electrode (FFSSE). The system was constructed with a 3D-printed thin-layer flow cell (TLFC) and a flat screen-printed FFSSE with USB connection. This interface facilitates continuous flow accumulation square-wave anodic stripping voltammetry (ASV). The flow distribution in the working space of TLFC was simulated using the finite element method (FEM) and the shape and configuration of electrodes were optimized accordingly...
April 13, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28386587/the-ecstasy-and-agony-of-assay-interference-compounds
#17
EDITORIAL
Courtney Aldrich, Carolyn Bertozzi, Gunda I Georg, Laura Kiessling, Craig Lindsley, Dennis Liotta, Kenneth M Merz, Alanna Schepartz, Shaomeng Wang
No abstract text is available yet for this article.
March 22, 2017: ACS Central Science
https://www.readbyqxmd.com/read/28384066/clinical-significance-of-androgen-receptor-splice-variant-7-mrna-detection-in-circulating-tumor-cells-of-men-with-metastatic-castration-resistant-prostate-cancer-treated-with-first-and-second-line-abiraterone-and-enzalutamide
#18
Emmanuel S Antonarakis, Changxue Lu, Brandon Luber, Hao Wang, Yan Chen, Yezi Zhu, John L Silberstein, Maritza N Taylor, Benjamin L Maughan, Samuel R Denmeade, Kenneth J Pienta, Channing J Paller, Michael A Carducci, Mario A Eisenberger, Jun Luo
Purpose We reported previously that the detection of androgen receptor splice variant-7 (AR-V7) mRNA in circulating tumor cells (CTCs) correlated with poor outcomes from the use of abiraterone and enzalutamide in patients with castration-resistant prostate cancer (CRPC). Here, we expanded our cohort size to better characterize the prognostic significance of AR-V7 in this setting. Methods We prospectively enrolled 202 patients with CRPC starting abiraterone or enzalutamide and investigated the prognostic value of CTC detection (+ v -) and AR-V7 detection (+ v -) using a CTC-based AR-V7 mRNA assay...
April 6, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28379940/the-crown-of-thorns-starfish-genome-as-a-guide-for-biocontrol-of-this-coral-reef-pest
#19
Michael R Hall, Kevin M Kocot, Kenneth W Baughman, Selene L Fernandez-Valverde, Marie E A Gauthier, William L Hatleberg, Arunkumar Krishnan, Carmel McDougall, Cherie A Motti, Eiichi Shoguchi, Tianfang Wang, Xueyan Xiang, Min Zhao, Utpal Bose, Chuya Shinzato, Kanako Hisata, Manabu Fujie, Miyuki Kanda, Scott F Cummins, Noriyuki Satoh, Sandie M Degnan, Bernard M Degnan
The crown-of-thorns starfish (COTS, the Acanthaster planci species group) is a highly fecund predator of reef-building corals throughout the Indo-Pacific region. COTS population outbreaks cause substantial loss of coral cover, diminishing the integrity and resilience of reef ecosystems. Here we sequenced genomes of COTS from the Great Barrier Reef, Australia and Okinawa, Japan to identify gene products that underlie species-specific communication and could potentially be used in biocontrol strategies. We focused on water-borne chemical plumes released from aggregating COTS, which make the normally sedentary starfish become highly active...
April 5, 2017: Nature
https://www.readbyqxmd.com/read/28374813/predictors-of-progression-in-barrett-s-esophagus-with-low-grade-dysplasia-results-from-a-multicenter-prospective-be-registry
#20
Rajesh Krishnamoorthi, Jason T Lewis, Murli Krishna, Nicholas J Crews, Michele L Johnson, Ross A Dierkhising, Brenda F Ginos, Kenneth K Wang, Herbert C Wolfsen, David E Fleischer, Francisco C Ramirez, Navtej S Buttar, David A Katzka, Prasad G Iyer
OBJECTIVES: Low-grade dysplasia (LGD) is a risk factor for progression in Barrett's esophagus (BE). Progression estimates however vary and predictors of progression are not well established. We aimed to assess predictors of progression in a multicenter BE-LGD cohort. METHODS: All subjects with LGD (diagnosed by a GI pathologist) in a prospective BE registry were identified. Progression was defined development of HGD/EAC more than 12 months after index date of LGD diagnosis...
April 4, 2017: American Journal of Gastroenterology
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