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Angus lee

Isabella Rauch, Katherine A Deets, Daisy X Ji, Jakob von Moltke, Jeannette L Tenthorey, Angus Y Lee, Naomi H Philip, Janelle S Ayres, Igor E Brodsky, Karsten Gronert, Russell E Vance
Intestinal epithelial cells (IECs) form a critical barrier against pathogen invasion. By generation of mice in which inflammasome expression is restricted to IECs, we describe a coordinated epithelium-intrinsic inflammasome response in vivo. This response was sufficient to protect against Salmonella tissue invasion and involved a previously reported IEC expulsion that was coordinated with lipid mediator and cytokine production and lytic IEC death. Excessive inflammasome activation in IECs was sufficient to result in diarrhea and pathology...
April 18, 2017: Immunity
Robert S McNeill, Demitra A Canoutas, Timothy J Stuhlmiller, Harshil D Dhruv, David M Irvin, Ryan E Bash, Steven P Angus, Laura E Herring, Jeremy M Simon, Kasey R Skinner, Juanita C Limas, Xin Chen, Ralf S Schmid, Marni B Siegel, Amanda E D Van Swearingen, Michael J Hadler, Erik P Sulman, Jann N Sarkaria, Carey K Anders, Lee M Graves, Michael E Berens, Gary L Johnson, C Ryan Miller
Background.: Glioblastoma (GBM) is the most common and aggressive primary brain tumor. Prognosis remains poor despite multimodal therapy. Developing alternative treatments is essential. Drugs targeting kinases within the phosphoinositide 3-kinase (PI3K) and mitogen-activated protein kinase (MAPK) effectors of receptor tyrosine kinase (RTK) signaling represent promising candidates. Methods.: We previously developed a non-germline genetically engineered mouse model of GBM in which PI3K and MAPK are activated via Pten deletion and KrasG12D in immortalized astrocytes...
March 30, 2017: Neuro-oncology
Chun Hin Angus Lee, Guy Shingler, Nicholas G Mowbray, Bilal Al-Sarireh, Peter Evans, Marty Smith, Val Usatoff, Charles Pilgrim
BACKGROUND: Pancreaticoduodenectomy is often required in patients with duodenal adenoma and adenocarcinoma and these patients generally have soft pancreatic texture and small pancreatic ducts, the two most significant factors associated with post-operative pancreatic fistula (POPF). The aims of the study were to evaluate the rate of POPF and long-term outcomes for patients with duodenal adenoma and adenocarcinoma who underwent curative resection. METHODS: This retrospective study (2004-2014) examined patients treated surgically with non-ampullary duodenal tumours (NADTs) in two hepatopancreaticobiliary units in Victoria, Australia, and Swansea, UK...
January 25, 2017: ANZ Journal of Surgery
Ilaria Ceglia, Ko-Woon Lee, Michael E Cahill, Steven M Graves, David Dietz, Dalton J Surmeier, Eric J Nestler, Angus C Nairn, Paul Greengard, Yong Kim
Wiskott-Aldrich syndrome protein (WASP) family verprolin homologous protein 1 (WAVE1) regulates actin-related protein 2/3 (Arp2/3) complex-mediated actin polymerization. Our previous studies have found WAVE1 to be inhibited by Cdk5-mediated phosphorylation in brain and to play a role in the regulation of dendritic spine morphology. Here we report that mice in which WAVE1 was knocked out (KO) in neurons expressing the D1 dopamine receptor (D1-KO), but not mice where WAVE1 was knocked out in neurons expressing the D2 dopamine receptor (D2-KO), exhibited a significant decrease in place preference associated with cocaine...
February 7, 2017: Proceedings of the National Academy of Sciences of the United States of America
Jon S Zawistowski, Samantha M Bevill, Daniel R Goulet, Timothy J Stuhlmiller, Adriana S Beltran, Jose F Olivares-Quintero, Darshan Singh, Noah Sciaky, Joel S Parker, Naim U Rashid, Xin Chen, James S Duncan, Martin C Whittle, Steven P Angus, Sara Hanna Velarde, Brian T Golitz, Xiaping He, Charlene Santos, David B Darr, Kristalyn Gallagher, Lee M Graves, Charles M Perou, Lisa A Carey, H Shelton Earp, Gary L Johnson
Targeting the dysregulated BRAF-MEK-ERK pathway in cancer has increasingly emerged in clinical trial design. Despite clinical responses in specific cancers using inhibitors targeting BRAF and MEK, resistance develops often involving nongenomic adaptive bypass mechanisms. Inhibition of MEK1/2 by trametinib in patients with triple-negative breast cancer (TNBC) induced dramatic transcriptional responses, including upregulation of receptor tyrosine kinases (RTK) comparing tumor samples before and after one week of treatment...
March 2017: Cancer Discovery
Alex W Robertson, Yung-Chang Lin, Shanshan Wang, Hidetaka Sawada, Christopher S Allen, Qu Chen, Sungwoo Lee, Gun-Do Lee, Joohee Lee, Seungwu Han, Euijoon Yoon, Angus I Kirkland, Heeyeon Kim, Kazu Suenaga, Jamie H Warner
Dopants in two-dimensional dichalcogenides have a significant role in affecting electronic, mechanical, and interfacial properties. Controllable doping is desired for the intentional modification of such properties to enhance performance; however, unwanted defects and impurity dopants also have a detrimental impact, as often found for chemical vapor deposition (CVD) grown films. The reliable identification, and subsequent characterization, of dopants is therefore of significant importance. Here, we show that Cr and V impurity atoms are found in CVD grown MoS2 monolayer 2D crystals as single atom substitutional dopants in place of Mo...
November 22, 2016: ACS Nano
Lucy Lim, Alexander Thompson, Scott Patterson, Jacob George, Simone Strasser, Alice Lee, William Sievert, Amanda Nicoll, Paul Desmond, Stuart Roberts, Kaye Marion, Scott Bowden, Stephen Locarnini, Peter Angus
BACKGROUND: Multidrug-resistant HBV continues to be an important clinical problem. The TDF-109 study demonstrated that TDF±LAM is an effective salvage therapy through 96 weeks for LAM-resistant patients who previously failed ADV add-on or switch therapy. We evaluated the 5-year efficacy and safety outcomes in patients receiving long-term TDF±LAM in the TDF-109 study. METHODS: A total of 59 patients completed the first phase of the TDF-109 study and 54/59 were rolled over into a long-term prospective open-label study of TDF±LAM 300 mg daily...
November 29, 2016: Liver International: Official Journal of the International Association for the Study of the Liver
Luisa Enria, Shelley Lees, Elizabeth Smout, Thomas Mooney, Angus F Tengbeh, Bailah Leigh, Brian Greenwood, Deborah Watson-Jones, Heidi Larson
BACKGROUND: This paper discusses the establishment of a clinical trial of an Ebola vaccine candidate in Kambia District, Northern Sierra Leone during the epidemic, and analyses the role of social science research in ensuring that lessons from the socio-political context, the recent experience of the Ebola outbreak, and learning from previous clinical trials were incorporated in the development of community engagement strategies. The paper aims to provide a case study of an integrated social science and communications system in the start-up phase of the clinical trial...
November 8, 2016: BMC Public Health
Alvin Ho-Kwan Cheung, Angus Ka-Cheong Lam, Wai-Shing Wilson Ho, Chun-Pong Tsang, Anderson Chun-On Tsang, Raymond Lee, Wai-Man Lui, Gilberto Ka-Kit Leung
OBJECTIVES: To compare surgical outcome both radiologically and clinically after interventions for patients with Moyamoya disease. METHODS: This retrospective observational study included 25 patients who were treated surgically for Moyamoya disease in the past 14 years. Clinical outcomes were analyzed by subgroups stratified by age, disease presentation, and surgical intervention. Serial postoperative brain computed tomography perfusion records were analyzed with respect to the cerebral blood flow and cerebrovascular reserve capacity (CVRC) of the middle cerebral artery territory...
February 2017: World Neurosurgery
Daehwan Lee, Minah Cho, Woon-Young Hong, Dajeong Lim, Hyung-Chul Kim, Yong-Min Cho, Jin-Young Jeong, Bong-Hwan Choi, Younhee Ko, Jaebum Kim
Advances in next generation sequencing (NGS) technologies have enabled population-level studies for many animals to unravel the relationships between genotypic differences and traits of specific populations. The objective of this study was to perform evolutionary analysis of single nucleotide polymorphisms (SNP) in genes of Korean native cattle Hanwoo in comparison to SNP data from four other cattle breeds (Jersey, Simmental, Angus, and Holstein) and four related species (pig, horse, human, and mouse) obtained from public databases through NGS-based resequencing...
September 2016: Molecules and Cells
Laura O'Hara, Alessandra Livigni, Thanos Theo, Benjamin Boyer, Tim Angus, Derek Wright, Sz-Hau Chen, Sobia Raza, Mark W Barnett, Paul Digard, Lee B Smith, Tom C Freeman
There is a need for formalised diagrams that both summarise current biological pathway knowledge and support modelling approaches that explain and predict their behaviour. Here, we present a new, freely available modelling framework that includes a biologist-friendly pathway modelling language (mEPN), a simple but sophisticated method to support model parameterisation using available biological information; a stochastic flow algorithm that simulates the dynamics of pathway activity; and a 3-D visualisation engine that aids understanding of the complexities of a system's dynamics...
August 2016: PLoS Biology
Nam-In Kang, Bon-Hoon Koo, Sung-Wan Kim, Jong-Hoon Kim, Beomwoo Nam, Bong-Ju Lee, Sang-Hyuk Lee, Seung Jae Lee, Seung-Hwan Lee, Myung Hun Jung, Sang Woo Hahn, Young-Chul Chung
OBJECTIVE: We investigated the efficacy and tolerability of paliperidone extended-release (ER) tablets in patients with first-episode psychosis (n=75). METHODS: This was an 8-week, open-label, multicenter trial. The primary outcome variable was scores on the Positive and Negative Syndrome Scale (PANSS); secondary measures included the Scale for the Assessment of Negative Symptoms (SANS), the Cognitive Assessment Interview (CAI), and the Global Assessment of Functioning (GAF)...
August 31, 2016: Clinical Psychopharmacology and Neuroscience: the Official Scientific Journal of the Korean College of Neuropsychopharmacology
David Ireland, Christina Atay, Jacki Liddle, Dana Bradford, Helen Lee, Olivia Rushin, Thomas Mullins, Dan Angus, Janet Wiles, Simon McBride, Adam Vogel
People with neurological conditions such as Parkinson's disease and dementia are known to have difficulties in language and communication. This paper presents initial testing of an artificial conversational agent, called Harlie. Harlie runs on a smartphone and is able to converse with the user on a variety of topics. A description of the application and a sample dialog are provided to illustrate the various roles chat-bots can play in the management of neurological conditions. Harlie can be used for measuring voice and communication outcomes during the daily life of the user, and for gaining information about challenges encountered...
2016: Studies in Health Technology and Informatics
Tsz-Kin Lo, Andrea Lee, Wan-Pang Chan, Sze-Ki Hui, Yu-Ming Fu, Chi-Chiu Shek, Angus Lam
Subamniotic hemorrhage results from rupture of chorionic vessels near the cord insertion. In the literature, it has never been a major cause for severe intrapartum complications. We report the first case of acute massive subamniotic hemorrhage intrapartum resulting in severe perinatal asphyxia.
2016: Fetal and Pediatric Pathology
Denis Pereira Gray, Kate Sidaway-Lee, Angus Thorne, Eleanor White, Philip Evans
No abstract text is available yet for this article.
May 2016: Education for Primary Care
Sean Chen, Benjamin Lee, Angus Yiu-Fai Lee, Andrew J Modzelewski, Lin He
The CRISPR/Cas9 system has been employed to efficiently edit the genomes of diverse model organisms. CRISPR-mediated mouse genome editing is typically accomplished by microinjection of Cas9 DNA/RNA and single guide RNA (sgRNA) into zygotes to generate modified animals in one step. However, microinjection is a technically demanding, labor-intensive, and costly procedure with poor embryo viability. Here, we describe a simple and economic electroporation-based strategy to deliver Cas9/sgRNA ribonucleoproteins into mouse zygotes with 100% efficiency for in vivo genome editing...
July 8, 2016: Journal of Biological Chemistry
Kumar N Alagramam, Suhasini R Gopal, Ruishuang Geng, Daniel H-C Chen, Ina Nemet, Richard Lee, Guilian Tian, Masaru Miyagi, Karine F Malagu, Christopher J Lock, William R K Esmieu, Andrew P Owens, Nicola A Lindsay, Krista Ouwehand, Faywell Albertus, David F Fischer, Roland W Bürli, Angus M MacLeod, William E Harte, Krzysztof Palczewski, Yoshikazu Imanishi
Usher syndrome type III (USH3), characterized by progressive deafness, variable balance disorder and blindness, is caused by destabilizing mutations in the gene encoding the clarin-1 (CLRN1) protein. Here we report a new strategy to mitigate hearing loss associated with a common USH3 mutation CLRN1(N48K) that involves cell-based high-throughput screening of small molecules capable of stabilizing CLRN1(N48K), followed by a secondary screening to eliminate general proteasome inhibitors, and finally an iterative process to optimize structure-activity relationships...
June 2016: Nature Chemical Biology
Madeleine Tooley, Danielle Lynch, Francois Bernier, Jillian Parboosingh, Elizabeth Bhoj, Elaine Zackai, Alistair Calder, Nobue Itasaki, Emma Wakeling, Richard Scott, Melissa Lees, Jill Clayton-Smith, Moira Blyth, Jenny Morton, Debbie Shears, Usha Kini, Tessa Homfray, Angus Clarke, Angela Barnicoat, Colin Wallis, Rebecca Hewitson, Amaka Offiah, Michael Saunders, Simon Langton-Hewer, Tom Hilliard, Peter Davis, Sarah Smithson
The cover image, by Sarah Smithson et al., is based on the Research Article Cerebro-costo-mandibular syndrome: Clinical, radiological, and genetic findings, DOI: 10.1002/ajmg.a.37587.
May 2016: American Journal of Medical Genetics. Part A
Madeleine Tooley, Danielle Lynch, Francois Bernier, Jillian Parboosingh, Elizabeth Bhoj, Elaine Zackai, Alistair Calder, Nobue Itasaki, Emma Wakeling, Richard Scott, Melissa Lees, Jill Clayton-Smith, Moira Blyth, Jenny Morton, Debbie Shears, Usha Kini, Tessa Homfray, Angus Clarke, Angela Barnicoat, Colin Wallis, Rebecca Hewitson, Amaka Offiah, Michael Saunders, Simon Langton-Hewer, Tom Hilliard, Peter Davis, Sarah Smithson
Cerebro-Costo-Mandibular syndrome (CCMS) is a rare autosomal dominant condition comprising branchial arch-derivative malformations with striking rib-gaps. Affected patients often have respiratory difficulties, associated with upper airway obstruction, reduced thoracic capacity, and scoliosis. We describe a series of 12 sporadic and 4 familial patients including 13 infants/children and 3 adults. Severe micrognathia and reduced numbers of ribs with gaps are consistent findings. Cleft palate, feeding difficulties, respiratory distress, tracheostomy requirement, and scoliosis are common...
May 2016: American Journal of Medical Genetics. Part A
Haibing Yang, Hui Wei, Guojie Ma, Mauricio S Antunes, Stefan Vogt, Joseph Cox, Xiao Zhang, Xiping Liu, Lintao Bu, S Charlotte Gleber, Nicholas C Carpita, Lee Makowski, Michael E Himmel, Melvin P Tucker, Maureen C McCann, Angus S Murphy, Wendy A Peer
Conversion of nongrain biomass into liquid fuel is a sustainable approach to energy demands as global population increases. Previously, we showed that iron can act as a catalyst to enhance the degradation of lignocellulosic biomass for biofuel production. However, direct addition of iron catalysts to biomass pretreatment is diffusion-limited, would increase the cost and complexity of biorefinery unit operations and may have deleterious environmental impacts. Here, we show a new strategy for in planta accumulation of iron throughout the volume of the cell wall where iron acts as a catalyst in the deconstruction of lignocellulosic biomass...
October 2016: Plant Biotechnology Journal
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