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https://www.readbyqxmd.com/read/29643987/proteomic-analysis-defines-kinase-taxonomies-specific-for-subtypes-of-breast-cancer
#1
Kyla A L Collins, Timothy J Stuhlmiller, Jon S Zawistowski, Michael P East, Trang T Pham, Claire R Hall, Daniel R Goulet, Samantha M Bevill, Steven P Angus, Sara H Velarde, Noah Sciaky, Tudor I Oprea, Lee M Graves, Gary L Johnson, Shawn M Gomez
Multiplexed small molecule inhibitors covalently bound to Sepharose beads (MIBs) were used to capture functional kinases in luminal, HER2-enriched and triple negative (basal-like and claudin-low) breast cancer cell lines and tumors. Kinase MIB-binding profiles at baseline without perturbation proteomically distinguished the four breast cancer subtypes. Understudied kinases, whose disease associations and pharmacology are generally unexplored, were highly represented in MIB-binding taxonomies and are integrated into signaling subnetworks with kinases that have been previously well characterized in breast cancer...
March 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29544144/-we-are-the-heroes-because-we-are-ready-to-die-for-this-country-participants-decision-making-and-grounded-ethics-in-an-ebola-vaccine-clinical-trial
#2
Angus Fayia Tengbeh, Luisa Enria, Elizabeth Smout, Thomas Mooney, Mike Callaghan, David Ishola, Bailah Leigh, Deborah Watson-Jones, Brian Greenwood, Heidi Larson, Shelley Lees
The 2014-2016 Ebola epidemic presented a challenging setting in which to carry out clinical trials. This paper reports findings from social science research carried out in Kambia, Northern Sierra Leone during first year of an Ebola vaccine trial (August 2015-July 2016). The social science team collected data through ethnographic observation, 42 in depth interviews; 4 life narratives; 200 exit interviews; 31 key informant interviews; and 8 focus group discussions with trial participants and community members not enrolled in the trial...
April 2018: Social Science & Medicine
https://www.readbyqxmd.com/read/29543794/a-graphical-and-computational-modeling-platform-for-biological-pathways
#3
Alessandra Livigni, Laura O'Hara, Marta E Polak, Tim Angus, Derek W Wright, Lee B Smith, Tom C Freeman
A major endeavor of systems biology is the construction of graphical and computational models of biological pathways as a means to better understand their structure and function. Here, we present a protocol for a biologist-friendly graphical modeling scheme that facilitates the construction of detailed network diagrams, summarizing the components of a biological pathway (such as proteins and biochemicals) and illustrating how they interact. These diagrams can then be used to simulate activity flow through a pathway, thereby modeling its dynamic behavior...
April 2018: Nature Protocols
https://www.readbyqxmd.com/read/29471369/genome-wide-association-study-of-stayability-and-heifer-pregnancy-in-red-angus-cattle
#4
S E Speidel, B A Buckley, R J Boldt, R M Enns, J Lee, M L Spangler, M G Thomas
Reproductive performance is the most important component of cattle production from the standpoint of economic sustainability of commercial beef enterprises. Heifer Pregnancy (HPG) and Stayability (STAY) genetic predictions are 2 selection tools published by the Red Angus Association of America (RAAA) to assist with improvements in reproductive performance. Given the importance of HPG and STAY to the profitability of commercial beef enterprises, the objective of this study was to identify QTL associated with both HPG and STAY in Red Angus cattle...
April 3, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29437911/developing-a-core-outcome-set-for-fistulising-perianal-crohn-s-disease
#5
Kapil Sahnan, Phil J Tozer, Samuel O Adegbola, Matthew J Lee, Nick Heywood, Angus G K McNair, Daniel Hind, Nuha Yassin, Alan J Lobo, Steven R Brown, Shaji Sebastian, Robin K S Phillips, Phillip F C Lung, Omar D Faiz, Kay Crook, Sue Blackwell, Azmina Verjee, Ailsa L Hart, Nicola S Fearnhead
OBJECTIVE: Lack of standardised outcomes hampers effective analysis and comparison of data when comparing treatments in fistulising perianal Crohn's disease (pCD). Development of a standardised set of outcomes would resolve these issues. This study provides the definitive core outcome set (COS) for fistulising pCD. DESIGN: Candidate outcomes were generated through a systematic review and patient interviews. Consensus was established via a three-round Delphi process using a 9-point Likert scale based on how important they felt it was in determining treatment success culminating in a final consensus meeting...
February 3, 2018: Gut
https://www.readbyqxmd.com/read/29377872/systematic-review-and-meta-analysis-of-objective-assessment-of-physical-fitness-in-patients-undergoing-colorectal-cancer-surgery
#6
Chun Hin Angus Lee, Joseph C Kong, Hilmy Ismail, Bernhard Riedel, Alexander Heriot
BACKGROUND: Gas exchange-derived variables obtained from cardiopulmonary exercise testing allow objective assessment of functional capacity and hence physiological reserve to withstand the stressors of major surgery. Field walk tests provide an alternate means for objective assessment of functional capacity that may be cheaper and have greater acceptability, in particular, in elderly patients. OBJECTIVE: This systematic review evaluated the predictive value of cardiopulmonary exercise testing and field walk tests in surgical outcomes after colorectal surgery...
March 2018: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/29367641/c9orf72-repeat-expansion-causes-vulnerability-of-motor-neurons-to-ca2-permeable-ampa-receptor-mediated-excitotoxicity
#7
Bhuvaneish T Selvaraj, Matthew R Livesey, Chen Zhao, Jenna M Gregory, Owain T James, Elaine M Cleary, Amit K Chouhan, Angus B Gane, Emma M Perkins, Owen Dando, Simon G Lillico, Youn-Bok Lee, Agnes L Nishimura, Urjana Poreci, Sai Thankamony, Meryll Pray, Navneet A Vasistha, Dario Magnani, Shyamanga Borooah, Karen Burr, David Story, Alexander McCampbell, Christopher E Shaw, Peter C Kind, Timothy J Aitman, C Bruce A Whitelaw, Ian Wilmut, Colin Smith, Gareth B Miles, Giles E Hardingham, David J A Wyllie, Siddharthan Chandran
Mutations in C9ORF72 are the most common cause of familial amyotrophic lateral sclerosis (ALS). Here, through a combination of RNA-Seq and electrophysiological studies on induced pluripotent stem cell (iPSC)-derived motor neurons (MNs), we show that increased expression of GluA1 AMPA receptor (AMPAR) subunit occurs in MNs with C9ORF72 mutations that leads to increased Ca2+-permeable AMPAR expression and results in enhanced selective MN vulnerability to excitotoxicity. These deficits are not found in iPSC-derived cortical neurons and are abolished by CRISPR/Cas9-mediated correction of the C9ORF72 repeat expansion in MNs...
January 24, 2018: Nature Communications
https://www.readbyqxmd.com/read/29226825/desacetyl-%C3%AE-melanocyte-stimulating-hormone-and-%C3%AE-melanocyte-stimulating-hormone-are-required-to-regulate-energy-balance
#8
Kathleen G Mountjoy, Alexandre Caron, Kristina Hubbard, Avik Shome, Angus C Grey, Bo Sun, Sarah Bould, Martin Middleditch, Beau Pontré, Ailsa McGregor, Paul W R Harris, Renata Kowalczyk, Margaret A Brimble, Rikus Botha, Karen M L Tan, Sarah J Piper, Christina Buchanan, Syann Lee, Anthony P Coll, Joel K Elmquist
OBJECTIVE: Regulation of energy balance depends on pro-opiomelanocortin (POMC)-derived peptides and melanocortin-4 receptor (MC4R). Alpha-melanocyte stimulating hormone (α-MSH) is the predicted natural POMC-derived peptide that regulates energy balance. Desacetyl-α-MSH, the precursor for α-MSH, is present in brain and blood. Desacetyl-α-MSH is considered to be unimportant for regulating energy balance despite being more potent (compared with α-MSH) at activating the appetite-regulating MC4R in vitro...
March 2018: Molecular Metabolism
https://www.readbyqxmd.com/read/29211320/consensus-statements-on-the-management-of-metastatic-prostate-cancer-from-the-hong-kong-urological-association-and-hong-kong-society-of-uro-oncology
#9
REVIEW
Darren Ming-Chun Poon, Chi-Kwok Chan, Tim-Wai Chan, Foon-Yiu Cheung, Philip Wai-Kay Kwong, Eric Ka-Chai Lee, Angus Kwong-Chuen Leung, Simon Yiu-Lam Leung, Wai-Kit Ma, Hing-Shing So, Po-Chor Tam, Lap-Yin Ho
To establish a set of consensus statements to facilitate physician management strategies for patients with metastatic prostate cancer (mPCa) in Hong Kong. A local expert consensus was organized jointly by the two main professional organizations representing prostate cancer specialists in Hong Kong. A total of 12 experts were included in the consensus panel. Six of the most crucial and relevant areas of debate regarding the management of mPCa were identified. With the use of a modified Delphi method, several panel meetings were held for the members to discuss their clinical experience and the published literature relevant to the areas of debate...
December 6, 2017: BJU International
https://www.readbyqxmd.com/read/29205515/yoga-training-modulates-adipokines-in-adults-with-high-normal-blood-pressure-and-metabolic-syndrome
#10
Rashmi Supriya, Angus P Yu, Paul H Lee, Christopher W Lai, Kenneth K Cheng, Sonata Y Yau, Lawrence W Chan, Benjamin Y Yung, Parco M Siu
Metabolic syndrome (MetS) is associated with diabetes mellitus and cardiovascular diseases. Our previous study indicated that people with MetS showed a decrease in waist circumference and a decreasing trend in blood pressure after 1-year yoga. This study investigated the effect of yoga on MetS people with high-normal blood pressure by exploring modulations in proinflammatory adipokines (leptin, chemerin, visfatin, and plasminogen activator inhibitor-1 or PAI-1) and an anti-inflammatory adipokine (adiponectin)...
March 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29156906/the-development-of-neurology-palliative-care-service-for-motor-neuron-disease-mnd-patients-hong-kong-experience
#11
Hon Wai Benjamin Cheng, Wai Tsan Tracy Chen, Chun Kwok Angus Chu, Savio Lee, Joo Shium Lee, Yeuk Fai Hong, Yuen Kwan Judy Chung
BACKGROUND: Motor neuron disease (MND) is a neurodegenerative disease characterized by loss of motor neurons in the spinal cord, brainstem and motor cortex. Clinically it is manifested as progressive decline in physical, respiratory, swallowing and communication function and ultimately death. Traditional model of care was fragmented and did not match with patients and carers multi-facet needs. METHODS: A special workgroup for MND patients that includes neurologist, respiratory physician, rehabilitation specialist and palliative care (PC) physician was formed in Hong Kong since year 2013...
September 15, 2017: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/29149594/conversion-of-bim-bh3-from-activator-to-inhibitor-of-bak-through-structure-based-design
#12
Jason M Brouwer, Ping Lan, Angus D Cowan, Jonathan P Bernardini, Richard W Birkinshaw, Mark F van Delft, Brad E Sleebs, Adeline Y Robin, Ahmad Wardak, Iris K Tan, Boris Reljic, Erinna F Lee, W Douglas Fairlie, Melissa J Call, Brian J Smith, Grant Dewson, Guillaume Lessene, Peter M Colman, Peter E Czabotar
Certain BH3-only proteins transiently bind and activate Bak and Bax, initiating their oligomerization and the permeabilization of the mitochondrial outer membrane, a pivotal step in the mitochondrial pathway to apoptosis. Here we describe the first crystal structures of an activator BH3 peptide bound to Bak and illustrate their use in the design of BH3 derivatives capable of inhibiting human Bak on mitochondria. These BH3 derivatives compete for the activation site at the canonical groove, are the first engineered inhibitors of Bak activation, and support the role of key conformational transitions associated with Bak activation...
November 16, 2017: Molecular Cell
https://www.readbyqxmd.com/read/29019177/long-term-survival-after-complete-surgical-resection-and-adjuvant-immunotherapy-for-distant-melanoma-metastases
#13
Mark B Faries, Nicola Mozzillo, Mohammed Kashani-Sabet, John F Thompson, Mark C Kelley, Ronald C DeConti, Jeffrey E Lee, James F Huth, Jeffrey Wagner, Angus Dalgleish, Daniel Pertschuk, Christopher Nardo, Stacey Stern, Robert Elashoff, Guy Gammon, Donald L Morton
BACKGROUND: This phase III study was undertaken to evaluate the efficacy of an allogeneic whole-cell vaccine (Canvaxin™) plus bacillus Calmette-Guerin (BCG) after complete resection of stage IV melanoma. METHODS: After complete resection of ≤5 distant metastases, patients were randomly assigned to BCG+Canvaxin (BCG/Cv) or BCG+placebo (BCG/Pl). The primary endpoint was overall survival (OS); secondary endpoints were disease-free survival (DFS), and immune response measured by skin test (ClinicalTrials...
December 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28990258/baseline-connectome-modular-abnormalities-in-the-childhood-phase-of-a-longitudinal-study-on-individuals-with-chromosome-22q11-2-deletion-syndrome
#14
Liang Zhan, Lisanne M Jenkins, Aifeng Zhang, Giorgio Conte, Angus Forbes, Danielle Harvey, Kathleen Angkustsiri, Naomi J Goodrich-Hunsaker, Courtney Durdle, Aaron Lee, Cyndi Schumann, Owen Carmichael, Kristopher Kalish, Alex D Leow, Tony J Simon
Occurring in at least 1 in 3,000 live births, chromosome 22q11.2 deletion syndrome (22q11DS) produces a complex phenotype that includes a constellation of medical complications such as congenital cardiac defects, immune deficiency, velopharyngeal dysfunction, and characteristic facial dysmorphic features. There is also an increased incidence of psychiatric diagnosis, especially intellectual disability and ADHD in childhood, lifelong anxiety, and a strikingly high rate of schizophrenia spectrum disorders, which occur in around 30% of adults with 22q11DS...
January 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/28926989/tech-savvy-beef-cattle-how-heifers-respond-to-moving-virtual-fence-lines
#15
Dana L M Campbell, Jim M Lea, William J Farrer, Sally J Haynes, Caroline Lee
Global Positioning System (GPS)-based virtual fences offer the potential to improve the management of grazing animals. Prototype collar devices utilising patented virtual fencing algorithms were placed on six Angus heifers in a 6.15 hectare paddock. After a "no fence" period, sequential, shifting virtual fences restricted the animals to 40%, 60%, and 80% of the paddock area widthways and 50% lengthways across 22 days. Audio cues signaled the virtual boundary, and were paired with electrical stimuli if the animals continued forward into the boundary...
September 18, 2017: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/28918576/effect-of-heat-stress-on-rumen-temperature-of-three-breeds-of-cattle
#16
A M Lees, J C Lees, A T Lisle, M L Sullivan, J B Gaughan
Thirty-six steers (12 of each Angus, Charolais, and Brahman) with an initial BW of 318.5 ± 6.7 kg were used in a 130-day study. Two treatments were imposed: un-shaded and shaded (3 m2 /animal; 90% solar block shade cloth). On day 1, steers were administered with rumen temperature boluses. Rumen temperatures (T RUM ) were obtained at 10 min intervals over the duration of the study to determine differences in T RUM between Bos indicus and Bos taurus cattle. Six feedlot pens (162 m2 ) were used with six steers (2/breed) per pen with three pens/treatment...
February 2018: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28894980/short-communication-using-infrared-thermography-as-an-in-situ-measure-of-core-body-temperature-in-lot-fed-angus-steers
#17
Angela M Lees, J C Lees, V Sejian, A L Wallage, J B Gaughan
Thirty-six Black Angus steers were used in a replicated study; three replicates of 12 steers/replicate. Steers had an initial non-fasted BW of 392.3 ± 5.1, 427.5 ± 6.3, and 392.7 ± 3.7 kg for each replicate, respectively. Steers were housed outside in individual animal pens (10 m × 3.4 m). Each replicate was conducted over a 6-day period where infrared thermography (IRT) images were collected at 3-h intervals, commencing at 0600 h on day 1 and concluding at 0600 h on day 6. Rumen temperatures (TRUM ) were measured at 10-min intervals for the duration of each replicate using a radio-frequency identification (RFID) rumen bolus...
January 2018: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28866584/dynamic-influence-networks-for-rule-based-models
#18
Angus G Forbes, Andrew Burks, Kristine Lee, Xing Li, Pierre Boutillier, Jean Krivine, Walter Fontana
We introduce the Dynamic Influence Network (DIN), a novel visual analytics technique for representing and analyzing rule-based models of protein-protein interaction networks. Rule-based modeling has proved instrumental in developing biological models that are concise, comprehensible, easily extensible, and that mitigate the combinatorial complexity of multi-state and multi-component biological molecules. Our technique visualizes the dynamics of these rules as they evolve over time. Using the data produced by KaSim, an open source stochastic simulator of rule-based models written in the Kappa language, DINs provide a node-link diagram that represents the influence that each rule has on the other rules...
January 2018: IEEE Transactions on Visualization and Computer Graphics
https://www.readbyqxmd.com/read/28805929/the-impact-of-training-strategies-on-the-accuracy-of-genomic-predictors-in-united-states-red-angus-cattle
#19
J Lee, S D Kachman, M L Spangler
Genomic selection (GS) has become an integral part of genetic evaluation methodology and has been applied to all major livestock species, including beef and dairy cattle, pigs, and chickens. Significant contributions in increased accuracy of selection decisions have been clearly illustrated in dairy cattle after practical application of GS. In the majority of U.S. beef cattle breeds, similar efforts have also been made to increase the accuracy of genetic merit estimates through the inclusion of genomic information into routine genetic evaluations using a variety of methods...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28410991/naip-nlrc4-inflammasomes-coordinate-intestinal-epithelial-cell-expulsion-with-eicosanoid-and-il-18-release-via-activation-of-caspase-1-and-8
#20
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
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