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https://www.readbyqxmd.com/read/28646344/does-biomarker-information-impact-breast-cancer-patients-preferences-and-physician-recommendation-for-adjuvant-chemotherapy
#1
Ann H Partridge, Karen Sepucha, Anne O'Neill, Kathy D Miller, Emily Baker, Chau T Dang, Donald W Northfelt, George W Sledge, Bryan P Schneider
PURPOSE: This study aimed to examine how biomarker information would impact patients' preferences and physicians' recommendations for adjuvant breast cancer therapy. METHODS: At the 18-month follow-up, participants in a large, double-blind randomized controlled trial of adjuvant chemotherapy with bevacizumab or placebo (E5103) were surveyed about their preferred treatment (either chemotherapy A alone or chemotherapy A+B) in two hypothetical scenarios: (1) without biomarker information; and (2) after learning that they tested positive for a "B-receptor" which modestly increased both the benefit and toxicity expected with chemotherapy A+B...
June 23, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28645199/do-neurobiological-understandings-of-smoking-influence-quitting-self-efficacy-or-treatment-intentions
#2
Kylie Morphett, Adrian Carter, Wayne Hall, Jayne Lucke, Brad Partridge, Coral Gartner
Introduction: Addiction is increasingly defined as a "brain disease" caused by changes to neurochemistry. While nicotine addiction has historically been excluded in the brain disease model of addiction (BDMA), it is beginning to be labelled a chronic brain disease. We investigated whether Australian smokers endorse brain-based explanations of smoking, and whether these beliefs are associated with quitting self-efficacy or treatment intentions. Method: Cross-sectional study of Australian smokers (N=1,538) who completed a survey measuring their agreement with statements on the brain's role in smoking...
June 22, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28640263/strong-constraints-on-aerosol-cloud-interactions-from-volcanic-eruptions
#3
Florent F Malavelle, Jim M Haywood, Andy Jones, Andrew Gettelman, Lieven Clarisse, Sophie Bauduin, Richard P Allan, Inger Helene H Karset, Jón Egill Kristjánsson, Lazaros Oreopoulos, Nayeong Cho, Dongmin Lee, Nicolas Bellouin, Olivier Boucher, Daniel P Grosvenor, Ken S Carslaw, Sandip Dhomse, Graham W Mann, Anja Schmidt, Hugh Coe, Margaret E Hartley, Mohit Dalvi, Adrian A Hill, Ben T Johnson, Colin E Johnson, Jeff R Knight, Fiona M O'Connor, Daniel G Partridge, Philip Stier, Gunnar Myhre, Steven Platnick, Graeme L Stephens, Hanii Takahashi, Thorvaldur Thordarson
Aerosols have a potentially large effect on climate, particularly through their interactions with clouds, but the magnitude of this effect is highly uncertain. Large volcanic eruptions produce sulfur dioxide, which in turn produces aerosols; these eruptions thus represent a natural experiment through which to quantify aerosol-cloud interactions. Here we show that the massive 2014-2015 fissure eruption in Holuhraun, Iceland, reduced the size of liquid cloud droplets-consistent with expectations-but had no discernible effect on other cloud properties...
June 22, 2017: Nature
https://www.readbyqxmd.com/read/28639513/development-of-an-arthroscopically-compatible-polymer-additive-layer-manufacture-technique
#4
Simon W Partridge, Matthew J Benning, Matthew J German, Kenneth W Dalgarno
This article describes a proof of concept study designed to evaluate the potential of an in vivo three-dimensional printing route to support minimally invasive repair of the musculoskeletal system. The study uses a photocurable material to additively manufacture in situ a model implant and demonstrates that this can be achieved effectively within a clinically relevant timescale. The approach has the potential to be applied with a wide range of light-curable materials and with development could be applied to create functionally gradient structures in vivo...
June 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28636540/implementation-and-utilization-of-the-molecular-tumor-board-to-guide-precision-medicine
#5
REVIEW
Shuko Harada, Rebecca Arend, Qian Dai, Jessica A Levesque, Thomas S Winokur, Rongjun Guo, Martin J Heslin, Lisle Nabell, L Burt Nabors, Nita A Limdi, Kevin A Roth, Edward E Partridge, Gene P Siegal, Eddy S Yang
BACKGROUND: With rapid advances in genomic medicine, the complexity of delivering precision medicine to oncology patients across a university health system demanded the creation of a Molecular Tumor Board (MTB) for patient selection and assessment of treatment options. The objective of this report is to analyze our progress to date and discuss the importance of the MTB in the implementation of personalized medicine. MATERIALS AND METHODS: Patients were reviewed in the MTB for appropriateness for comprehensive next generation sequencing (NGS) cancer gene set testing based on set criteria that were in place...
June 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28628439/locally-acquired-mcr-1-in-escherichia-coli-australia-2011-and-2013
#6
Justin A Ellem, Andrew N Ginn, Sharon C-A Chen, John Ferguson, Sally R Partridge, Jonathan R Iredell
We identified discrete importation events of the mcr-1 gene on incompatibility group IncI2 plasmids in Escherichia coli isolated from patients in New South Wales, Australia, in 2011 and 2013. mcr-1 is present in a small minority of colistin-resistant Enterobacteriaceae and appears not to be established locally.
July 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28620943/drug-repurposing-for-aging-research-using-model-organisms
#7
Matthias Ziehm, Satwant Kaur, Dobril K Ivanov, Pedro J Ballester, David Marcus, Linda Partridge, Janet M Thornton
Many increasingly prevalent diseases share a common risk factor: age. However, little is known about pharmaceutical interventions against aging, despite many genes and pathways shown to be important in the aging process and numerous studies demonstrating that genetic interventions can lead to a healthier aging phenotype. An important challenge is to assess the potential to repurpose existing drugs for initial testing on model organisms, where such experiments are possible. To this end, we present a new approach to rank drug-like compounds with known mammalian targets according to their likelihood to modulate aging in the invertebrates Caenorhabditis elegans and Drosophila...
June 16, 2017: Aging Cell
https://www.readbyqxmd.com/read/28602860/a-role-for-the-tetraspanin-proteins-in-salmonella-infection-of-human-macrophages
#8
Noha A Hassuna, Peter N Monk, Fawwaz Ali, Robert C Read, Lynda J Partridge
OBJECTIVE: Infected macrophages play a role in the dissemination of Salmonella and may serve as a reservoir of infection in asymptomatic carriers. However, relatively little is known about the early molecular interactions of the bacteria with these cells. We have recently shown that members of the tetraspanin family of membrane proteins are involved in the initial adhesion of a range of bacteria to host cells. This study investigated the role of tetraspanins in Salmonella enterica subsp...
June 8, 2017: Journal of Infection
https://www.readbyqxmd.com/read/28602858/verbal-abuse-and-physical-assault-in-the-emergency-department-rates-of-violence-perceptions-of-safety-and-attitudes-towards-security
#9
Bradley Partridge, Julia Affleck
INTRODUCTION: Emergency Department (ED) workers are prone to occupational violence, however the extent and impact of this may not be evenly felt across all roles in the ED. AIMS: Explore: 1) the rate of verbal abuse and physical assaults experienced by ED staff, 2) perceptions of safety, 3) attitudes towards security officers, and 4) formal reporting of incidents. METHODS: 330 ED workers were surveyed at four public hospitals in one metropolitan health service district in Queensland, Australia, including 179 nurses, 83 medical staff, 44 administration staff, 14 allied health, and 9 operational...
June 8, 2017: Australasian Emergency Nursing Journal: AENJ
https://www.readbyqxmd.com/read/28600084/modelling-duodenum-radiotherapy-toxicity-using-cohort-dose-volume-histogram-data
#10
Daniel L P Holyoake, Marianne Aznar, Somnath Mukherjee, Mike Partridge, Maria A Hawkins
BACKGROUND AND PURPOSE: Gastro-intestinal toxicity is dose-limiting in abdominal radiotherapy and correlated with duodenum dose-volume parameters. We aimed to derive updated NTCP model parameters using published data and prospective radiotherapy quality-assured cohort data. MATERIAL AND METHODS: A systematic search identified publications providing duodenum dose-volume histogram (DVH) statistics for clinical studies of conventionally-fractionated radiotherapy. Values for the Lyman-Kutcher-Burman (LKB) NTCP model were derived through sum-squared-error minimisation and using leave-one-out cross-validation...
June 6, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28572259/emerging-data-and-current-challenges-for-young-old-obese-or-male-patients-with-breast-cancer
#11
EDITORIAL
Rachel A Freedman, Ann H Partridge
There are distinct subgroups of patients who have historically been underrepresented in most prospective clinical trials in breast cancer, including the youngest and oldest patients, male patients, and those struggling with obesity. Herein, we review current and future directions in research for each of these special populations with breast cancer, highlighting significant knowledge gaps and priorities in tumor biology and heterogeneity, therapeutic decision making promotion of adherence, supportive care, and psychosocial and functional well-being...
June 1, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28572255/unmet-needs-in-clinical-research-in-breast-cancer-where-do-we-need-to-go
#12
EDITORIAL
Ann H Partridge, Lisa A Carey
This CCR Focus highlights areas in breast cancer research with the greatest potential for clinical and therapeutic application. The articles in this CCR Focus address the state of the science in a broad range of areas with a focus on "hot" although sometimes controversial topics, unanswered questions, and unmet need. From mutational signatures, the cancer genomic revolution, and new inroads in immunotherapy for breast cancer to unique concerns of vulnerable populations as well as national and global health disparities, these works represent much of the promise of breast cancer research as well as the challenges in the coming years...
June 1, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28566335/breadth-and-duration-of-meningococcal-serum-bactericidal-activity-in-healthcare-workers-and-microbiologists-immunized-with-the-menb-fhbp-vaccine
#13
Eduardo Lujan, Elizabeth Partridge, Serena Giuntini, Sanjay Ram, Dan M Granoff
Background. MenB-FHbp is a meningococcal serogroup B vaccine with two Factor H binding protein (FHbp) antigens from subfamilies A and B. For licensure, efficacy was inferred from serum bactericidal antibody (SBA) responses against four reference strains. Only limited information is available on breadth or duration of protective SBA responses against genetically diverse disease-causing strains.Methods. Seventeen healthcare or laboratory workers were immunized with two (N=2) or three (N=15) doses of MenB-FHbp at 0, 2 and 6 months...
May 31, 2017: Clinical and Vaccine Immunology: CVI
https://www.readbyqxmd.com/read/28551277/an-extrauterine-environment-for-neonatal-development-extending-fetal-physiology-beyond-the-womb
#14
REVIEW
Emily A Partridge, Marcus G Davey, Matthew A Hornick, Alan W Flake
Extreme prematurity is a major cause of neonatal mortality and morbidity, and remains an unsolved clinical challenge. The development of an artificial womb, an extrauterine system recreating the intrauterine environment, would support ongoing growth and organ maturation of the extreme preterm fetus and would have the potential to substantially improve survival and reduce morbidity. Previous efforts toward the development of such a system have demonstrated the ability to maintain the isolated fetus for short periods of support, but have failed to achieve the long-term stability required for clinical application...
May 24, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28534519/two-forms-of-death-in-ageing-caenorhabditis-elegans
#15
Yuan Zhao, Ann F Gilliat, Matthias Ziehm, Mark Turmaine, Hongyuan Wang, Marina Ezcurra, Chenhao Yang, George Phillips, David McBay, William B Zhang, Linda Partridge, Zachary Pincus, David Gems
Ageing generates senescent pathologies, some of which cause death. Interventions that delay or prevent lethal pathologies will extend lifespan. Here we identify life-limiting pathologies in Caenorhabditis elegans with a necropsy analysis of worms that have died of old age. Our results imply the presence of multiple causes of death. Specifically, we identify two classes of corpse: early deaths with a swollen pharynx (which we call 'P deaths'), and later deaths with an atrophied pharynx (termed 'p deaths'). The effects of interventions on lifespan can be broken down into changes in the frequency and/or timing of either form of death...
May 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28534492/corrigendum-an-extra-uterine-system-to-physiologically-support-the-extreme-premature-lamb
#16
Emily A Partridge, Marcus G Davey, Matthew A Hornick, Patrick E McGovern, Ali Y Mejaddam, Jesse D Vrecenak, Carmen Mesas-Burgos, Aliza Olive, Robert C Caskey, Theodore R Weiland, Jiancheng Han, Alexander J Schupper, James T Connelly, Kevin C Dysart, Jack Rychik, Holly L Hedrick, William H Peranteau, Alan W Flake
This corrects the article DOI: 10.1038/ncomms15112.
May 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28533206/myostatin-like-proteins-regulate-synaptic-function-and-neuronal-morphology
#17
Hrvoje Augustin, Kieran McGourty, Joern R Steinert, Helena M Cochemé, Jennifer Adcott, Melissa Cabecinha, Alec Vincent, Els F Halff, Josef T Kittler, Emmanuel Boucrot, Linda Partridge
Growth factors of the TGF-β superfamily play key roles in regulating neuronal and muscle function. Myostatin (or GDF8) and GDF11 are potent negative regulators of skeletal muscle mass. However, expression of both Myostatin and its cognate receptors in other tissues, including brain and peripheral nerves, suggests a potential wider biological role. Here, we show that Myoglianin (MYO), the Drosophila homolog of Myostatin and GDF11, regulates not only body weight and muscle size, but also inhibits neuromuscular synapse strength and composition in a Smad2-dependent manner...
May 22, 2017: Development
https://www.readbyqxmd.com/read/28529232/backwards-medicine-female-atavism-whiteness-and-the-medical-profession-in-the-pineal-eye
#18
Deanna Gross Scherger
This article examines atavism as a theory of racial science in the nineteenth-century United States that illuminates how the developing medical profession reinforced racial, class, and gender hierarchies to gain cultural authority. I use John S. Partridge's "The Pineal Eye," a little-known short story published in San Francisco's The Wave in 1894, as a case study that reveals how atavism was conceived as pathology within the purview of medical study. Partridge intertwines established atavistic discourse that asserted the Anglo-Saxon female body as paradoxically modern in terms of racial identity and primitive in terms of sex with scientific experimentation and male medical authority, resulting in evolutionary regression...
2017: Literature and Medicine
https://www.readbyqxmd.com/read/28523779/arylative-intramolecular-allylation-of-ketones-with-1-3-enynes-enabled-by-catalytic-alkenyl-to-allyl-1-4-rhodium-i-migration
#19
Benjamin M Partridge, Michael Callingham, William Lewis, Hon Wai Lam
Alkenyl-to-allyl 1,4-rhodium(I) migration enables the generation of nucleophilic allylrhodium(I) species by remote C-H activation. This new mode of reactivity was employed in the diastereoselective reaction of arylboron reagents with substrates containing a 1,3-enyne tethered to a ketone, to give products containing three contiguous stereocenters. The products can be obtained in high enantioselectivities using a chiral sulfur-alkene ligand.
June 12, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28512472/pulsed-electromagnetic-field-regulates-microrna-21-expression-to-activate-tgf-%C3%AE-signaling-in-human-bone-marrow-stromal-cells-to-enhance-osteoblast-differentiation
#20
Nagarajan Selvamurugan, Zhiming He, Daniel Rifkin, Branka Dabovic, Nicola C Partridge
Pulsed electromagnetic fields (PEMFs) have been documented to promote bone fracture healing in nonunions and increase lumbar spinal fusion rates. However, the molecular mechanisms by which PEMF stimulates differentiation of human bone marrow stromal cells (hBMSCs) into osteoblasts are not well understood. In this study the PEMF effects on hBMSCs were studied by microarray analysis. PEMF stimulation of hBMSCs' cell numbers mainly affected genes of cell cycle regulation, cell structure, and growth receptors or kinase pathways...
2017: Stem Cells International
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