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https://www.readbyqxmd.com/read/28210826/stranger-fear-and-early-risk-for-social-anxiety-in-preschoolers-with-fragile-x-syndrome-contrasted-to-autism-spectrum-disorder
#1
Jessica F Scherr, Abigail L Hogan, Deborah Hatton, Jane E Roberts
This study investigated behavioral indicators of social fear in preschool boys with fragile X syndrome (FXS) with a low degree of autism spectrum disorder (ASD) symptoms (FXS-Low; n = 29), FXS with elevated ASD symptoms (FXS-High; n = 25), idiopathic ASD (iASD; n = 11), and typical development (TD; n = 36). Gaze avoidance, escape behaviors, and facial fear during a stranger approach were coded. Boys with elevated ASD symptoms displayed more avoidant gaze, looking less at the stranger and parent than those with low ASD symptoms across etiologies...
February 16, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28173638/valproate-protein-binding-is-highly-variable-in-icu-patients-and-not-predicted-by-total-serum-concentrations-a-case-series-and-literature-review
#2
Richard R Riker, David J Gagnon, Colman Hatton, Teresa May, David B Seder, Katie Stokem, Gilles L Fraser
STUDY OBJECTIVE: The free fraction of valproate (the pharmacologically active moiety, normally 5-10%) may vary significantly in critically ill patients, but this topic is understudied, with only 4 prior ICU case reports. The objective of this study was to evaluate the range of valproate plasma protein binding in ICU patients. DESIGN: Observational study of consecutive ICU patients. SETTING: Neurocritical and medical critical care services in a non-university academic medical center...
February 7, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28169513/multilayer-nanoscale-encapsulation-of-biofunctional-peptides-to-enhance-bone-tissue-regeneration-in-vivo
#3
Piergiorgio Gentile, Ana Marina Ferreira, Jill T Callaghan, Cheryl A Miller, Joss Atkinson, Christine Freeman, Paul V Hatton
Bone tissue healing is a dynamic process that is initiated by the recruitment of osteoprogenitor cells followed by their migration, proliferation, differentiation, and development of a mineralizing extracellular matrix. The work aims to manufacture a functionalized porous membrane that stimulates early events in bone healing for initiating a regenerative cascade. Layer-by-layer (LbL) assembly is proposed to modify the surface of osteoconductive electrospun meshes, based on poly(lactic-co-glycolic acid) and nanohydroxyapatite, by using poly(allylamine hydrochloride) and poly(sodium 4-styrenesulfonate) as polyelectrolytes...
February 7, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28161562/hindrance-of-1-4-dioxane-biodegradation-in-microcosms-biostimulated-with-inducing-or-non-inducing-auxiliary-substrates
#4
Mengyan Li, Yuanyuan Liu, Ya He, Jacques Mathieu, James Hatton, William DiGuiseppi, Pedro J J Alvarez
A microcosm study was conducted to assess two biostimulation strategies (relative to natural attenuation) to bioremediate 1,4-dioxane contamination at a site in west Texas. Dioxane concentrations were relatively low (<300 μg/L), which represents a potential challenge to sustain and induce specific degraders. Thus, biostimulation was attempted with an auxiliary substrate known to induce dioxane-degrading monooxygenases (i.e., tetrahydrohyran [THF]) or with a non-inducing growth substrate (1-butanol [1-BuOH])...
January 26, 2017: Water Research
https://www.readbyqxmd.com/read/28130326/engineering-the-expression-of-an-anti-interleukin-13-antibody-through-rational-design-and-mutagenesis
#5
Bojana Popovic, Suzanne Gibson, Tarik Senussi, Sara Carmen, Sara Kidd, Tim Slidel, Ian Strickland, Xu Jianqing, Jennifer Spooner, Amanda Lewis, Nathan Hudson, Lorna Mackenzie, Jennifer Keen, Ben Kemp, Colin Hardman, Diane Hatton, Trevor Wilkinson, Tristan Vaughan, David Lowe
High levels of protein expression are key to the successful development and manufacture of a therapeutic antibody. Here, we describe two related antibodies, Ab001 and Ab008, where Ab001 shows a markedly lower level of expression relative to Ab008 when stably expressed in Chinese hamster ovary cells. We use single-gene expression vectors and structural analysis to show that the reduced titer is associated with the VL CDR2 of Ab001. We adopted two approaches to improve the expression of Ab001. First, we used mutagenesis to change single amino-acid residues in the Ab001 VL back to the equivalent Ab008 residues but this resulted in limited improvements in expression...
January 26, 2017: Protein Engineering, Design & Selection: PEDS
https://www.readbyqxmd.com/read/28126393/cross-linked-pluronic-g-polyacrylic-acid-microgel-system-for-the-controlled-release-of-doxorubicin-in-pharmaceutical-formulations
#6
Y Tian, N Grishkewich, L Bromberg, T Alan Hatton, Kam C Tam
The binding of doxorubicin (DOX) to cross-linked Pluronic F127-g-PAA-EGDMA and L92-g-PAA-EGDMA microgels at different alpha (α) and salt concentrations was investigated using isothermal titration calorimetric (ITC), optical and scanning electron microscopic techniques (SEM). We seek to elucidate the mechanisms of interaction and the release of DOX from cross-linked microgels composed of Pluronic and poly(acrylic acid). The ITC results indicated a high binding affinity of DOX to the microgel, which is a function of salt concentrations due to the impact of electrostatic shielding on the DOX-binding process...
January 23, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28098502/united-kingdom-national-paediatric-bilateral-project-results-of-professional-rating-scales-and-parent-questionnaires
#7
H E Cullington, D Bele, J C Brinton, S Cooper, M Daft, J Harding, N Hatton, J Humphries, M E Lutman, J Maddocks, J Maggs, K Millward, G O'Donoghue, S Patel, K Rajput, V Salmon, T Sear, A Speers, A Wheeler, K Wilson
OBJECTIVES: This fourteen-centre project used professional rating scales and parent questionnaires to assess longitudinal outcomes in a large non-selected population of children receiving simultaneous and sequential bilateral cochlear implants. METHODS: This was an observational non-randomized service evaluation. Data were collected at four time points: before bilateral cochlear implants or before the sequential implant, one year, two years, and three years after...
January 18, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28047236/we-ab-202-07-ventilation-ct-voxel-level-comparison-with-hyperpolarized-helium-3-xenon-129-mri
#8
B Tahir, H Marshall, P Hughes, N Stewart, F Horn, G Collier, G Norquay, K Hart, J Swinscoe, M Hatton, J Wild, R Ireland
PURPOSE: To compare the spatial correlation of ventilation surrogates computed from inspiratory and expiratory breath-hold CT with hyperpolarized Helium-3 & Xenon-129 MRI in a cohort of lung cancer patients. METHODS: 5 patients underwent expiration & inspiration breath-hold CT. Xenon-129 & (1) H MRI were also acquired at the same inflation state as inspiratory CT. This was followed immediately by acquisition of Helium-3 & (1) H MRI in the same breath and at the same inflation state as inspiratory CT...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28032374/heritability-of-white-matter-microstructure-in-late-middle-age-a-twin-study-of-tract-based-fractional-anisotropy-and-absolute-diffusivity-indices
#9
Eero Vuoksimaa, Matthew S Panizzon, Donald J Hagler, Sean N Hatton, Christine Fennema-Notestine, Daniel Rinker, Lisa T Eyler, Carol E Franz, Michael J Lyons, Michael C Neale, Ming T Tsuang, Anders M Dale, William S Kremen
There is evidence that differences among individuals in white matter microstructure, as measured with diffusion tensor imaging (DTI), are under genetic control. However, little is known about the relative contribution of genetic and environmental effects on different diffusivity indices among late middle-aged adults. Here, we examined the magnitude of genetic influences for fractional anisotropy (FA), and mean (MD), axial (AD), and radial (RD) diffusivities in male twins aged 56-66 years old. Using an atlas-based registration approach to delineate individual white matter tracts, we investigated mean DTI-based indices within the corpus callosum, 12 bilateral tracts and all these regions of interest combined...
December 29, 2016: Human Brain Mapping
https://www.readbyqxmd.com/read/28025302/micromechanics-of-sea-ice-frictional-slip-from-test-basin-scale-experiments
#10
Peter R Sammonds, Daniel C Hatton, Daniel L Feltham
We have conducted a series of high-resolution friction experiments on large floating saline ice floes in an environmental test basin. In these experiments, a central ice floe was pushed between two other floes, sliding along two interfacial faults. The frictional motion was predominantly stick-slip. Shear stresses, normal stresses, local strains and slip displacement were measured along the sliding faults, and acoustic emissions were monitored. High-resolution measurements during a single stick-slip cycle at several positions along the fault allowed us to identify two phases of frictional slip: a nucleation phase, where a nucleation zone begins to slip before the rest of the fault, and a propagation phase when the entire fault is slipping...
February 13, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28018364/nkg2a-expressing-natural-killer-cells-dominate-the-response-to-autologous-lymphoblastoid-cells-infected-with-epstein-barr-virus
#11
Olivia Hatton, Dara Marie Strauss-Albee, Nancy Q Zhao, Mikel D Haggadone, Judith Shanika Pelpola, Sheri M Krams, Olivia M Martinez, Catherine A Blish
Epstein-Barr virus (EBV) is a human γ-herpesvirus that establishes latency and lifelong infection in host B cells while achieving a balance with the host immune response. When the immune system is perturbed through immunosuppression or immunodeficiency, however, these latently infected B cells can give rise to aggressive B cell lymphomas. Natural killer (NK) cells are regarded as critical in the early immune response to viral infection, but their role in controlling expansion of infected B cells is not understood...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/28010679/united-kingdom-national-paediatric-bilateral-project-demographics-and-results-of-localization-and-speech-perception-testing
#12
H E Cullington, D Bele, J C Brinton, S Cooper, M Daft, J Harding, N Hatton, J Humphries, M E Lutman, J Maddocks, J Maggs, K Millward, G O'Donoghue, S Patel, K Rajput, V Salmon, T Sear, A Speers, A Wheeler, K Wilson
OBJECTIVES: To assess longitudinal outcomes in a large and varied population of children receiving bilateral cochlear implants both simultaneously and sequentially. METHODS: This observational non-randomized service evaluation collected localization and speech recognition in noise data from simultaneously and sequentially implanted children at four time points: before bilateral cochlear implants or before the sequential implant, 1 year, 2 years, and 3 years after bilateral implants...
December 23, 2016: Cochlear Implants International
https://www.readbyqxmd.com/read/28009675/effects-of-foot-and-ankle-devices-on-balance-gait-and-falls-in-adults-with-sensory-perception-loss-a-systematic-review
#13
Joanne Paton, Anna L Hatton, Keith Rome, Bridie Kent
BACKGROUND: Foot and ankle devices are being developed as a method of preventing people with sensory perception loss sustaining a fall. Such devices are believed to work by reducing the likelihood of a fall by improving the balance and gait of the user. OBJECTIVES: The objective of the review was to evaluate the effectiveness of foot and ankle devices for the prevention of falls and the improvement of balance and gait in adults with sensory perception loss. INCLUSION CRITERIA TYPES OF PARTICIPANTS: Participants were community-dwelling adults with bilateral pathological sensory perception loss...
December 2016: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28004472/postural-care-for-people-with-intellectual-disabilities-and-severely-impaired-motor-function-a-scoping-review
#14
REVIEW
Janet Robertson, Susannah Baines, Eric Emerson, Chris Hatton
BACKGROUND: Poor postural care can have severe and life-threatening complications. This scoping review aims to map and summarize existing evidence regarding postural care for people with intellectual disabilities and severely impaired motor function. METHOD: Studies were identified via electronic database searches (MEDLINE, CINAHL, PsycINFO and Web of Science) covering January 1990 to March 2016, and email requests to researcher networks. Results were collated via descriptive numerical summary of studies and thematic analysis...
December 22, 2016: Journal of Applied Research in Intellectual Disabilities: JARID
https://www.readbyqxmd.com/read/28001482/thermodynamic-effects-of-three-different-diode-lasers-on-an-implant-bone-interface-an-ex-vivo-study-with-review-of-the-literature
#15
Nicola Alberto Valente, Antonio Calascibetta, Giuseppe Pio Patianna, Thomas Mang, Michael Hatton, Sebastiano Andreana
The aim of this study is to assess the increase of temperature, following laser irradiation with 810nm and 980nm and 1064nm diode laser's wavelengths, of an implant, under conditions that more closely replicate those of the human body. A 4x14mm machined surface implant was placed in a porcine rib to replicate the conductivity of heat given by the bone. A peri-implant vertical defect 2mm wide and 2mm deep, to simulate bone resorption. Two thermocouples were positioned, crestally and apically, on the implant surface...
December 21, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27987803/grafting-from-cellulose-nanocrystals-via-photoinduced-cu-mediated-reversible-deactivation-radical-polymerization
#16
Fiona L Hatton, Stephanie A Kedzior, Emily D Cranston, Anna Carlmark
In this work we describe the grafting of cellulose nanocrystals (CNCs) by surface-initiated photoinduced Cu-mediated reversible-deactivation radical polymerization (RDRP). Initially, CNCs obtained through sulfuric acid hydrolysis were functionalized with a tertiary bromo-ester moiety as an initiating group for the subsequent RDRP of methyl acrylate, targeting three different degrees of polymerization for the polymer grafts: 50, 300 and 600. The polymerizations proceeded in DMSO in the presence of CuBr2 and Me6TREN as the catalytic system utilizing a UV source (λmax≈360nm)...
February 10, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/27982412/the-future-of-academic-haematology
#17
REVIEW
Deborah Hay, Christian S R Hatton, David J Weatherall
Recent advances in the basic medical sciences, particularly cell biology and genomics, have great promise for the future development of all aspects of haematological practice. They will also impinge on the hitherto neglected fields of haematology, including haematology involving the care of the rapidly increasing number of elderly patients and the complex problems of haematological practice in the developing countries. To obtain the maximum benefit from these new developments it will be necessary to review the patterns of training of haematologists of the future at every level...
December 16, 2016: British Journal of Haematology
https://www.readbyqxmd.com/read/27956321/prevalence-incidence-and-risk-factors-for-shoulder-and-neck-dysfunction-after-neck-dissection-a-systematic-review
#18
REVIEW
E M Gane, Z A Michaleff, M A Cottrell, S M McPhail, A L Hatton, B J Panizza, S P O'Leary
INTRODUCTION: Shoulder pain and dysfunction may occur following neck dissection among people being treated for head and neck cancer. This systematic review aims to examine the prevalence and incidence of shoulder and neck dysfunction after neck dissection and identify risk factors for these post-operative complications. METHODS: Electronic databases (Pubmed, CINAHL, EMBASE, Cochrane) were searched for articles including adults undergoing neck dissection for head and neck cancer...
November 17, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27918926/childhood-adversity-impacts-on-brain-subcortical-structures-relevant-to-depression
#19
Thomas Frodl, Deborah Janowitz, Lianne Schmaal, Leonardo Tozzi, Henrik Dobrowolny, Dan J Stein, Dick J Veltman, Katharina Wittfeld, Theo G M van Erp, Neda Jahanshad, Andrea Block, Katrin Hegenscheid, Henry Völzke, Jim Lagopoulos, Sean N Hatton, Ian B Hickie, Eva Maria Frey, Angela Carballedo, Samantha J Brooks, Daniella Vuletic, Anne Uhlmann, Ilya M Veer, Henrik Walter, Knut Schnell, Dominik Grotegerd, Volker Arolt, Harald Kugel, Elisabeth Schramm, Carsten Konrad, Bartosz Zurowski, Bernhard T Baune, Nic J A van der Wee, Marie-Jose van Tol, Brenda W J H Penninx, Paul M Thompson, Derrek P Hibar, Udo Dannlowski, Hans J Grabe
Childhood adversity plays an important role for development of major depressive disorder (MDD). There are differences in subcortical brain structures between patients with MDD and healthy controls, but the specific impact of childhood adversity on such structures in MDD remains unclear. Thus, aim of the present study was to investigate whether childhood adversity is associated with subcortical volumes and how it interacts with a diagnosis of MDD and sex. Within the ENIGMA-MDD network, nine university partner sites, which assessed childhood adversity and magnetic resonance imaging in patients with MDD and controls, took part in the current joint mega-analysis...
March 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/27907963/optimizing-medication-outcomes-in-neurocritical-care-focus-on-clinical-pharmacology
#20
Denise H Rhoney, Kathryn Morbitzer, Jimmi Hatton-Kolpek
Drug dosing in neurocritically ill patients presents enormous challenges for clinicians due to the complex pathophysiological alterations. These alterations are dynamic both between and within patients. Unpredictable exposure from standard dosing regimens, which were extrapolated to intensive care unit patients from healthy volunteer studies, may influence medication outcomes. Knowledge of potential alterations in pharmacokinetics/pharmacodynamics in these patients could be applied to maximize the clinical response and minimize adverse effects...
December 2016: Seminars in Neurology
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