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https://www.readbyqxmd.com/read/28800298/impact-of-field-number-and-beam-angle-on-functional-image-guided-lung-cancer-radiotherapy-planning
#1
Bilal A Tahir, Chris M Bragg, Jim M Wild, James A Swinscoe, Sarah E Lawless, Kerry A Hart, Matthew Q Hatton, Rob H Ireland
To investigate the effect of beam angles and field number on functionally-guided intensity modulated radiotherapy (IMRT) normal lung avoidance treatment plans that incorporate hyperpolarised helium-3 magnetic resonance imaging ((3)He MRI) ventilation data. Eight non-small cell lung cancer patients had pre-treatment (3)He MRI that was registered to inspiration breath-hold radiotherapy planning computed tomography. IMRT plans that minimised the volume of total lung receiving  ⩾20 Gy (V20) were compared with plans that minimised (3)He MRI defined functional lung receiving  ⩾20 Gy (fV20)...
August 11, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28790180/pseudomonas-aeruginosa-lasb-protease-impairs-innate-immunity-in-mice-and-humans-by-targeting-a-lung-epithelial-cystic-fibrosis-transmembrane-regulator-il-6-antimicrobial-repair-pathway
#2
Vinciane Saint-Criq, Bérengère Villeret, Fabien Bastaert, Saadé Kheir, Aurélie Hatton, Aurélie Cazes, Zhou Xing, Isabelle Sermet-Gaudelus, Ignacio Garcia-Verdugo, Aleksander Edelman, Jean-Michel Sallenave
BACKGROUND: Pseudomonas aeruginosa lung infections are a huge problem in ventilator-associated pneumonia, cystic fibrosis (CF) and in chronic obstructive pulmonary disease (COPD) exacerbations. This bacterium secretes virulence factors that may subvert host innate immunity. OBJECTIVE: We evaluated the effect of P. aeruginosa elastase LasB, an important virulence factor secreted by the type II secretion system, on ion transport, innate immune responses and epithelial repair, both in vitro and in vivo...
August 8, 2017: Thorax
https://www.readbyqxmd.com/read/28765402/monitoring-risk-factors-of-cardiovascular-disease-in-cancer-survivors
#3
Ambika Kapoor, Vineet Prakash, Mallika Sekhar, Diana M Greenfield, Matthew Hatton, Michael Ej Lean, Pankaj Sharma, Thang S Han
There exist published literature for cardiovascular disease (CVD) risk monitoring in cancer survivors but the extent of monitoring in clinical oncology practice is unknown. We performed an interactive survey at a Royal College of Physicians conference (11 November 2016) attended by practitioners with an interest in late effects of cancer treatment and supplemented the survey with an audit among 32 lung cancer survivors treated at St Peter's NHS Hospital in 2012-2016. Among the practitioners, 40% reported CVD risk monitoring performed at least annually, which is compatible with European Group for Blood and Marrow Transplantation Guidelines, but 31% indicated that monitoring was never performed...
July 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/28764901/providers-perspectives-on-self-regulation-impact-their-use-of-responsive-feeding-practices-in-child-care
#4
Dipti A Dev, Katherine E Speirs, Natalie A Williams, Samantha Ramsay, Brent A McBride, Holly Hatton-Bowers
Supporting children's self-regulation in eating through caregivers' practice of responsive feeding is paramount to obesity prevention, and while much attention has been given to supporting children's self-regulation in eating through parents' responsive feeding practices in the home setting, little attention has been given to this issue in childcare settings. This qualitative study examines childcare providers' perspectives on using responsive feeding practices with young children (2-5years). Individual semi-structured interviews were conducted with providers until saturation was reached...
July 29, 2017: Appetite
https://www.readbyqxmd.com/read/28752866/alginate-based-hydrogels-functionalised-at-the-nanoscale-using-layer-by-layer-assembly-for-potential-cartilage-repair
#5
P Gentile, C Ghione, A M Ferreira, A Crawford, P V Hatton
Injuries to articular cartilage are frequently difficult to repair, in part because of the poor regenerative capacity of this tissue. To date, no successful system for complete regeneration of the most challenging cartilage defects has been demonstrated. The aim of this work was to develop functionalised hydrogels at the nanoscale by Layer-by-Layer (LbL) assembly to promote cartilage healing. Hydrogels, based on sodium alginate (NaAlg) and gelatin (G), were prepared by an external gelation method consisting of CaCl2 diffusion and genipin addition for G crosslinking...
July 28, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28742428/neck-and-upper-limb-dysfunction-in-patients-following-neck-dissection-looking-beyond-the-shoulder
#6
Elise M Gane, Shaun P O'Leary, Anna L Hatton, Benedict J Panizza, Steven M McPhail
Objective To measure patient-perceived upper limb and neck function following neck dissection and to investigate potential associations between clinical factors, symptoms, and function. Study Design Cross-sectional. Setting Two tertiary hospitals in Brisbane, Australia. Subjects and Methods Inclusion criteria: patients treated with neck dissection (2009-2014). EXCLUSION CRITERIA: aged <18 years, accessory nerve or sternocleidomastoid sacrifice, previous neck dissection, preexisting shoulder/neck injury, and inability to provide informed consent (cognition, insufficient English)...
July 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28731643/transcriptome-based-identification-of-the-optimal-reference-cho-genes-for-normalisation-of-qpcr-data
#7
Adam J Brown, Suzanne Gibson, Diane Hatton, David C James
Real-time quantitative PCR (qPCR) is the standard method for determination of relative changes in mRNA transcript abundance. Analytical accuracy, precision, and reliability are critically dependent on the selection of internal control reference genes. In this study we have identified optimal reference genes that can be utilized universally for qPCR analysis of CHO cell mRNAs. Initially, transcriptomic datasets were analysed to identify eight endogenous genes that exhibited high expression stability across four distinct CHO cell lines sampled in different culture phases...
July 21, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28703025/patient-satisfaction-of-pharmacist-provided-care-via-clinical-video-teleconferencing
#8
Jessica Hatton, Rachel Chandra, David Lucius, Elizabeth Ciuchta
PURPOSE: Patient satisfaction with the use of telehealth in disease state management provided by pharmacists has not been fully studied. We hypothesized that patient satisfaction with pharmacist-provided consultations via clinical video teleconferencing (CVT) would not differ from face-to-face delivery. METHODS: Patients were recruited from 2 primary care provider sites from September 2015 to May 2016. Patients completed a survey to evaluate their satisfaction and quality of provider-patient communication with the method in which consultation with a pharmacist was provided...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28699755/co2-reactive-ionic-liquid-surfactants-for-the-control-of-colloidal-morphology
#9
Paul Brown, Vishnu Sresht, Burak H Eral, Andrew Fiore, César de la Fuente-Núñez, Marcus O'Mahony, Gabriel P Mendes, William T Heller, Patrick S Doyle, Daniel Blankschtein, T Alan Hatton
This article reports on a new class of stimuli-responsive surfactant generated from commercially available amphiphiles such as dodecyltrimethylammmonium bromide (DTAB) by substitution of the halide counterion with counterions such as 2-cyanopyrrolide, 1,2,3-triazolide, and L-proline that complex reversibly with CO2. Through a combination of small-angle neutron scattering (SANS), electrical conductivity measurements, thermal gravimetric analysis, and molecular dynamics simulations, we show how small changes in charge reorganization and counterion shape and size induced by complexation with CO2 allow for fine-tunability of surfactant properties...
July 24, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28676434/multifunctional-bioactive-glass-and-glass-ceramic-biomaterials-with-antibacterial-properties-for-repair-and-regeneration-of-bone-tissue
#10
REVIEW
João S Fernandes, Piergiorgio Gentile, Ricardo A Pires, Rui L Reis, Paul V Hatton
Bioactive glasses (BGs) and related glass-ceramic biomaterials have been used in bone tissue repair for over 30years. Previous work in this field was comprehensively reviewed including by their inventor Larry Hench, and the key features and properties of BGs are well understood. More recently, attention has focused on their modification to further enhance the osteogenic behaviour, or further compositional changes that may introduce additional properties, such as antimicrobial activity. Evidence is emerging that BGs and related glass-ceramics may be modified in such a way as to simultaneously introduce more than one desirable property...
September 1, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28666768/strategies-for-improving-early-nutritional-outcomes-in-children-with-oesophageal-atresia-and-congenital-diaphragmatic-hernia
#11
REVIEW
Dominic A Fitzgerald, Andrea Kench, Lucy Hatton, Jonathan Karpelowsky
Post-natal growth in surgical lung conditions, such as congenital diaphragmatic hernia and oesophageal atresia with tracheo-oesophageal fistula, is often sub-optimal in the early years of life when lung growth is occurring. Whilst constitutional, behavioural and mechanical factors may contribute to poor feeding and weight gain, there is a common path of management with greater caloric supplementation that may change growth trajectories and potentially lead to better respiratory, anthropometric and cognitive outcomes...
May 31, 2017: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28648562/a-cellular-automaton-based-on-plasma-membrane-turnover-accurately-recapitulates-cell-mechanics-during-epithelial-scattering
#12
Christian F Schmutz, Trey D Hatton, Michael P Blomfield, Benjamin D Chandler, Trent C Benedick, Marc D H Hansen
Epithelial cells can be triggered to actively detach from epithelial tissues and become solitary, migratory and invasive. This process occurs repeatedly in development, where it is termed epithelial-mesenchymal transition (EMT), and can be recapitulated as epithelial scattering in cell culture models. Detachment of cell-cell junctions involves changes in contractile forces, actin cytoskeletal organization, changes in cell-substrate adhesion properties, surface presentation of cell-cell adhesion molecules, and gene expression...
June 23, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28639518/selective-laser-melting-enabled-electrospinning-introducing-complexity-within-electrospun-membranes
#13
Thomas E Paterson, Selina N Beal, Martin E Santocildes-Romero, Alfred T Sidambe, Paul V Hatton, Ilida Ortega Asencio
Additive manufacturing technologies enable the creation of very precise and well-defined structures that can mimic hierarchical features of natural tissues. In this article, we describe the development of a manufacturing technology platform to produce innovative biodegradable membranes that are enhanced with controlled microenvironments produced via a combination of selective laser melting techniques and conventional electrospinning. This work underpins the manufacture of a new generation of biomaterial devices that have significant potential for use as both basic research tools and components of therapeutic implants...
June 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28636589/identifying-specificity-groups-in-the-t-cell-receptor-repertoire
#14
Jacob Glanville, Huang Huang, Allison Nau, Olivia Hatton, Lisa E Wagar, Florian Rubelt, Xuhuai Ji, Arnold Han, Sheri M Krams, Christina Pettus, Nikhil Haas, Cecilia S Lindestam Arlehamn, Alessandro Sette, Scott D Boyd, Thomas J Scriba, Olivia M Martinez, Mark M Davis
T cell receptor (TCR) sequences are very diverse, with many more possible sequence combinations than T cells in any one individual. Here we define the minimal requirements for TCR antigen specificity, through an analysis of TCR sequences using a panel of peptide and major histocompatibility complex (pMHC)-tetramer-sorted cells and structural data. From this analysis we developed an algorithm that we term GLIPH (grouping of lymphocyte interactions by paratope hotspots) to cluster TCRs with a high probability of sharing specificity owing to both conserved motifs and global similarity of complementarity-determining region 3 (CDR3) sequences...
July 6, 2017: Nature
https://www.readbyqxmd.com/read/28625628/which-patients-with-es-sclc-are-most-likely-to-benefit-from-more-aggressive-radiotherapy-a-secondary-analysis-of-the-phase-iii-crest-trial
#15
Ben J Slotman, Corinne Faivre-Finn, Harm van Tinteren, Astrid Keijser, John Praag, Joost Knegjens, Matthew Hatton, Iris van Dam, Annija van der Leest, Bart Reymen, Jos Stigt, Kate Haslett, Devashish Tripathi, Egbert F Smit, Suresh Senan
INTRODUCTION: In ES-SCLC patients with residual intrathoracic disease after first-line chemotherapy, the addition of thoracic radiotherapy reduces the risk of intrathoracic recurrence, and improves 2-year survival. To identify patient subgroups for future trials investigating higher dose (extra)thoracic radiotherapy, we investigated the prognostic importance of number and sites of metastases in patients included in the CREST trial. MATERIALS/ METHODS: Additional data on sites and numbers of metastases were collected from individual records of 260 patients from the top 9 recruiting centers in the randomized CREST trial (53% of 495 study patients), which compared thoracic radiotherapy (TRT) to no TRT in ES-SCLC patients after any response to chemotherapy...
June 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28610738/blood-pressure-and-blood-sugar-assessment-by-recent-dental-school-graduates
#16
Michael N Hatton, Heather Orom, Patrick L Anders
OBJECTIVE: Recent dental school graduates' willingness to assess blood pressure and blood sugar in practice is positively influenced by having a workplace policy fostering these assessments. Negative influences toward these assessments include practice culture issues and time management concerns. The aim of this study was to determine whether 2010-2014 graduates of the School of Dental Medicine at Buffalo, NY (UB-SDM) continue to assess blood pressure and capillary blood sugar after graduation...
July 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28585079/new-mammalian-expression-systems
#17
Jie Zhu, Diane Hatton
There are an increasing number of recombinant antibodies and proteins in preclinical and clinical development for therapeutic applications. Mammalian expression systems are key to enabling the production of these molecules, and Chinese hamster ovary (CHO) cell platforms continue to be central to delivery of the stable cell lines required for large-scale production. Increasing pressure on timelines and efficiency, further innovation of molecular formats and the shift to new production systems are driving developments of these CHO cell line platforms...
June 6, 2017: Advances in Biochemical Engineering/biotechnology
https://www.readbyqxmd.com/read/28520834/effect-of-electrode-montage-and-head-position-on-air-conducted-ocular-vestibular-evoked-myogenic-potential
#18
Kathryn Makowiec, Devin L McCaslin, Gary P Jacobson, Kelsey Hatton, John Lee
Purpose: The purpose of this investigation was to identify the optimal recording parameters for evoking the ocular vestibular evoked myogenic potential (oVEMP) using air-conduction stimuli. Method: Subjects were 17 otologically and neurologically intact adults (age: M = 24.18 years, SD = 1.91 years). The oVEMP responses were elicited using a 500-Hz tone burst air-conduction stimulus presented at an intensity of 95 dB nHL. The setting was a balance function laboratory that was part of a large tertiary care otology clinic...
June 13, 2017: American Journal of Audiology
https://www.readbyqxmd.com/read/28504349/polysome-profiling-of-mab-producing-cho-cell-lines-links-translational-control-of-cell-proliferation-and-recombinant-mrna-loading-onto-ribosomes-with-global-and-recombinant-protein-synthesis
#19
Charlotte L Godfrey, Emma J Mead, Olalekan Daramola, Sarah Dunn, Diane Hatton, Ray Field, Gary Pettman, C Mark Smales
mRNA translation is a key process determining growth, proliferation and duration of a Chinese hamster ovary (CHO) cell culture and influences recombinant protein synthesis rate. During bioprocessing, CHO cells can experience stresses leading to reprogramming of translation and decreased global protein synthesis. Here we apply polysome profiling to determine reprogramming and translational capabilities in host and recombinant monoclonal antibody-producing (mAb) CHO cell lines during batch culture. Recombinant cell lines with the fastest cell specific growth rates were those with the highest global translational efficiency...
May 15, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28490404/causes-of-dacryocystorhinostomy-failure-external-versus-endoscopic-approach
#20
Giant C Lin, Christopher D Brook, Mark P Hatton, Ralph Metson
OBJECTIVES: To compare the causes of failure between external and endoscopic dacryocystorhinostomy (DCR) techniques for the treatment of lacrimal obstruction. STUDY DESIGN: A retrospective cohort study. METHODS: The study population consisted of 53 consecutive patients who underwent revision endoscopic DCR from 2002 to 2013 for lacrimal duct obstruction. Identified causes of previous DCR failure were compared between patients whose initial surgery was performed through an external versus an endoscopic approach...
May 1, 2017: American Journal of Rhinology & Allergy
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