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https://www.readbyqxmd.com/read/27926828/harnessing-cancer-cell-metabolism-for-theranostic-applications-using-metabolic-glycoengineering-of-sialic-acid-in-breast-cancer-as-a-pioneering-example
#1
REVIEW
Haitham A Badr, Dina M M AlSadek, Motawa E El-Houseini, Christopher T Saeui, Mohit P Mathew, Kevin J Yarema, Hafiz Ahmed
Abnormal cell surface display of sialic acids - a family of unusual 9-carbon sugars - is widely recognized as distinguishing feature of many types of cancer. Sialoglycans, however, typically cannot be identified with sufficiently high reproducibility and sensitivity to serve as clinically accepted biomarkers and similarly, almost all efforts to exploit cancer-specific differences in sialylation signatures for therapy remain in early stage development. In this report we provide an overview of important facets of glycosylation that contribute to cancer in general with a focus on breast cancer as an example of malignant disease characterized by aberrant sialylation...
November 25, 2016: Biomaterials
https://www.readbyqxmd.com/read/27925439/surface-faceting-and-reconstruction-of-ceria-nanoparticles
#2
Chengwu Yang, Xiaojuan Yu, Stefan Heißler, Alexei Nefedov, Sara Colussi, Jordi Llorca, Alessandro Trovarelli, Yuemin Wang, Christof Wöll
The surface atomic arrangement of metal oxides determines their physical and chemical properties, and the ability to control and optimize structural parameters is of crucial importance for many applications, in particular in heterogeneous catalysis and photocatalysis. Whereas the structures of macroscopic single crystals can be determined with established methods, for nanoparticles (NPs), this is a challenging task. Herein, we describe the use of CO as a probe molecule to determine the structure of the surfaces exposed by rod-shaped ceria NPs...
December 7, 2016: Angewandte Chemie
https://www.readbyqxmd.com/read/27924992/p-n-depleted-bulk-biobr-%C3%AE-fe2o3-heterojunctions-applied-for-unbiased-solar-water-splitting
#3
Hua-Yan Si, Chen-Jing Mao, Ya-Meng Xie, Xiu-Guo Sun, Jin-Jin Zhao, Na Zhou, Jian-Qiang Wang, Wen-Jie Feng, Yan-Ting Li
P-N depleted bulk BiOBr/α-Fe2O3 heterojunction (DBH) nanostructures with the growth of (001) BiOBr facets were prepared via a simple hydrothermal method. BiOBr possesses an average thickness of around 50 nm and shows preferential exposure of the (001) facets. α-Fe2O3 nanoparticles, with an average diameter of 5 nm, are attached on the surface of BiOBr as 20-50 nm clusters with an intimate contact interface. Such DBH nanostructures show high hydrogen evolution, and 193 mmol g(-1) of H2 is produced with DBH containing 1 wt% Pt, which is 6...
December 7, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/27922967/cervical-spine-deformity-in-long-standing-untreated-congenital-muscular-torticollis
#4
Mohammed Ahmed Hussein, In Sik Yun, Hanna Park, Yong Oock Kim
BACKGROUND: Congenital muscular torticollis (CMT) is a benign condition. With early diagnosis and appropriate management, it can be cured completely, leaving no residual deformity. However, long-standing, untreated CMT can lead to permanent craniofacial deformities and asymmetry. METHODS: Four adult patients presented to the author with long-standing, untreated CMT. Initial clinical assessment demonstrated tightness of the sternocleidomastoid muscle on the affected side...
December 5, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27922578/facet-joint-violation-during-percutaneous-pedicle-screw-placement-a-comparison-of-two-techniques
#5
Oliver Tannous, Ehsan Jazini, Tristan B Weir, Kelley E Banagan, Eugene Y Koh, D Greg Anderson, Daniel E Gelb, Steven C Ludwig
STUDY DESIGN: A comparative study of facet joint violation (FJV) using two percutaneous surgical techniques. OBJECTIVE: To compare the rate of iatrogenic FJV and medial pedicle wall breach between two methods of percutaneous pedicle screw instrumentation in the thoracic and lumbar spine. SUMMARY OF BACKGROUND DATA: Variable iatrogenic damage to the facet joints has been reported to occur with percutaneous pedicle screw techniques, compared with the open approach, which has been associated with adjacent segment disease...
December 2, 2016: Spine
https://www.readbyqxmd.com/read/27922577/is-it-in-or-out-the-optimal-fluoroscopic-views-for-intraoperative-determination-of-proper-lateral-mass-screw-placement
#6
Sang Bum Kim, John M Rhee, Byung Hak Oh, You Gun Won, Yousun Jung, Kun Young Park, William C Hutton, Chulmin Kim
STUDY DESIGN: Cadaveric OBJECTIVE.: Determine optimal fluoroscopic views for detecting cervical lateral mass screw (LMS) violations SUMMARY OF BACKGROUND DATA.: Single plane intraoperative xrays are commonly used but frequently inadequate due to its complex trajectory. Fluoroscopy can be taken in multiple planes, but the ideal fluoroscopic view to assess malposition is not known: depending on the view, any given screw may look "in" or "out". METHODS: C3-6 LMS were inserted in 3 cadavers...
December 2, 2016: Spine
https://www.readbyqxmd.com/read/27922092/photocatalytic-reduction-of-co2-by-zno-micro-nanomaterials-with-different-morphologies-and-ratios-of-0001-facets
#7
Xiaodi Liu, Liqun Ye, Shanshan Liu, Yinping Li, Xiaoxu Ji
ZnO microspheres, ZnO microflowers and ZnO nanorods are successfully synthesized via a convenient solvothermal method in distilled water-ethanol mixed medium. The as-prepared ZnO micro/nanomaterials are characterized by XRD, SEM, TEM, HRTEM, XPS, BET, and UV-Vis. The morphologies and exposed facets of the ZnO micro/nanomaterials can be controlled by simply changing the volume ratio of distilled water to ethanol, and their formation mechanisms are also proposed. In addition, the photocatalytic activities of the ZnO samples are investigated towards the photoreduction of CO2 to CO...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27921637/facets-of-psychopathy-in-relation-to-trauma-exposure-and-posttraumatic-stress-symptomology-in-a-sample-of-incarcerated-male-offenders
#8
Russell Woodfield, Katie Dhingra, Daniel Boduszek, Agata Debowska
Purpose The purpose of this paper is to investigate the moderating role of psychopathy facets on the relationship between traumatic exposure and posttraumatic stress disorder (PTSD) symptomology. Design/methodology/approach Participants were male prisoners incarcerated in the UK. Findings The analysis revealed differential associations between the two facets of psychopathy, with potentially traumatic events and symptoms of PTSD. Specifically, neither primary psychopathy nor trauma exposure were significantly related to PTSD, while secondary psychopathy was positively and significantly related with PTSD symptoms...
December 19, 2016: International Journal of Prisoner Health
https://www.readbyqxmd.com/read/27920737/facets-of-the-fundamental-content-dimensions-agency-with-competence-and-assertiveness-communion-with-warmth-and-morality
#9
Andrea E Abele, Nicole Hauke, Kim Peters, Eva Louvet, Aleksandra Szymkow, Yanping Duan
Agency (A) and communion (C) are fundamental content dimensions. We propose a facet-model that differentiates A into assertiveness (AA) and competence (AC) and C into warmth (CW) and morality (CM). We tested the model in a cross-cultural study by comparing data from Asia, Australia, Europe, and the USA (overall N = 1.808). Exploratory and confirmatory factor analyses supported our model. Both the two-factor model and the four-factor model showed good fit indices across countries. Participants answered additional measures intended to demonstrate the fruitfulness of distinguishing the facets...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27920402/posterior-facet-talocalcaneal-non-osseous-coalition-an-uncommon-but-easily-missed-cause-of-hindfoot-pain
#10
A Yh Tsang, Y Y Cheuk, A Ws Au-Yeung
No abstract text is available yet for this article.
December 2016: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/27919521/unsolved-forgotten-and-ignored-features-of-the-placebo-response-in-medicine
#11
REVIEW
Paul Enck, Sibylle Klosterhalfen, Katja Weimer
PURPOSE: We aimed to identify topics of research that have been neglected, undervalued, or overseen in the past 2 decades of placebo/nocebo research. METHODS: A highly specialized literature database containing >3200 articles on the placebo or nocebo effects or response was screened for articles covering placebo effects in nutrition, sports medicine, physical therapy, and psychotherapy; for article covering gender, age, and culture as influencing factors; for articles dealing with long-term outcome, multimodality; and for articles related to technical (eHealth, mHealth) aspects of placebo effects...
December 2, 2016: Clinical Therapeutics
https://www.readbyqxmd.com/read/27919200/bony-ankylosis-of-the-facet-joint-of-the-cervical-spine-in-rheumatoid-arthritis-its-characteristics-and-relationship-to-the-clinical-findings
#12
Haku Iizuka, Yoichi Iizuka, Koichi Okamura, Yukio Yonemoto, Tokue Mieda, Kenji Takagishi
OBJECTIVES: The purpose of this study was to clarify the characteristics of bony ankylosis of the facet joint of the cervical spine in RA patients who required cervical spine surgery, and its relationship to the clinical findings. METHODS: Eighty consecutive RA patients with cervical spine disorder who received initial surgery were reviewed. The occurrence of bony ankylosis of the facet joint of the cervical spine was investigated using computed tomography (CT) before surgery...
December 6, 2016: Modern Rheumatology
https://www.readbyqxmd.com/read/27918892/the-effects-of-muscle-weakness-on-degenerative-spondylolisthesis-a-finite-element-study
#13
Rui Zhu, Wen-Xin Niu, Zhi-Li Zeng, Jian-Hua Tong, Zhi-Wei Zhen, Shuang Zhou, Yan Yu, Li-Ming Cheng
BACKGROUND: Whether muscle weakness is a cause, or result, of degenerative spondylolisthesis is not currently well understood. Little biomechanical evidence is available to offer an explanation for the mechanism behind exercise therapy. Therefore, the aim of this study is to investigate the effects of back muscle weakness on degenerative spondylolisthesis and to tease out the biomechanical mechanism of exercise therapy. METHODS: A nonlinear 3-D finite element model of L3-L5 was constructed...
November 26, 2016: Clinical Biomechanics
https://www.readbyqxmd.com/read/27918082/relation-between-social-information-processing-and-intimate-partner-violence-in-dating-couples
#14
Sarah Setchell, Patti Timmons Fritz, Jillian Glasgow
We used couple-level data to predict physical acts of intimate partner violence (IPV) from self-reported negative emotions and social information-processing (SIP) abilities among 100 dating couples (n = 200; mean age = 21.45 years). Participants read a series of hypothetical conflict situation vignettes and responded to questionnaires to assess negative emotions and various facets of SIP including attributions for partner behavior, generation of response alternatives, and response selection. We conducted a series of negative binomial mixed-model regressions based on the actor-partner interdependence model (APIM; Kenny, Kashy, & Cook, 2006, Dyadic data analysis...
December 5, 2016: Aggressive Behavior
https://www.readbyqxmd.com/read/27917410/time-lapse-in-situ-imaging-of-ice-crystal-growth-using-confocal-microscopy
#15
Moreno Marcellini, Cecile Noirjean, Dmytro Dedovets, Juliette Maria, Sylvain Deville
Ice crystals nucleate and grow when a water solution is cooled below its freezing point. The growth velocities and morphologies of the ice crystals depend on many parameters, such as the temperature of ice growth, the melting temperature, and the interactions of solutes with the growing crystals. Three types of morphologies may appear: dendritic, cellular (or fingerlike), or the faceted equilibrium form. Understanding and controlling which type of morphology is formed is essential in several domains, from biology to geophysics and materials science...
November 30, 2016: ACS Omega
https://www.readbyqxmd.com/read/27917371/hijacker-of-the-antitumor-immune-response-autophagy-is-showing-its-worst-facet
#16
REVIEW
Elodie Viry, Muhammad Zaeem Noman, Tsolère Arakelian, Audrey Lequeux, Salem Chouaib, Guy Berchem, Etienne Moussay, Jérôme Paggetti, Bassam Janji
Macroautophagy (hereafter referred to as autophagy) is a housekeeping process constitutively executed at basal level in all cells to promote cellular homeostasis by regulating organelle and protein turnover. However, autophagy deregulation caused by several stress factors, such as hypoxia, is prevalent in many cancers. It is now well established that autophagy can act as tumor suppressor or tumor promoter depending on tumor type, stage, and genetic context. In developed tumors, autophagy promotes the survival of cancer cells and therefore operates as a cell resistance mechanism...
2016: Frontiers in Oncology
https://www.readbyqxmd.com/read/27917006/measuring-spatiotemporal-variation-in-snow-optical-grain-size-under-a-subalpine-forest-canopy-using-contact-spectroscopy
#17
Noah P Molotch, David M Barnard, Sean P Burns, Thomas H Painter
The distribution of forest cover exerts strong controls on the spatiotemporal distribution of snow accumulation and snowmelt. The physical processes that govern these controls are poorly understood given a lack of detailed measurements of snow states. In this study, we address one of many measurement gaps by using contact spectroscopy to measure snow optical grain size at high spatial resolution in trenches dug between tree boles in a subalpine forest. Trenches were collocated with continuous measurements of snow depth and vertical profiles of snow temperature and supplemented with manual measurements of snow temperature, geometric grain size, grain type, and density from trench walls...
September 2016: Water Resources Research
https://www.readbyqxmd.com/read/27916874/advances-in-animal-cognition
#18
EDITORIAL
Jennifer Vonk
This editorial endorses a diverse approach to the study of animal cognition and emphasizes the theoretical and applied gains that can be made by embracing this approach. This diversity emerges from cross-talk among scientists trained in a variety of backgrounds and theoretical approaches, who study a variety of topics with a range of species. By shifting from an anthropocentric focus on humans and our closest living relatives, and the historic reliance on the lab rat or pigeon, modern students of animal cognition have uncovered many fascinating facets of cognition in species ranging from insects to carnivores...
November 30, 2016: Behavioral Sciences
https://www.readbyqxmd.com/read/27916724/use-of-a-c1-c2-facet-spacer-to-treat-atlantoaxial-instability-and-basilar-invagination-associated-with-rheumatoid-arthritis-a-case-report
#19
Jin-Young Lee, Soo-Bin Im, Je-Hoon Jeong
No abstract text is available yet for this article.
December 1, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27916363/tipping-the-scales-educating-surgeons-about-medical-malpractice
#20
Steven E Raper, Johncy Joseph, Wilda G Seymour, Patricia G Sullivan
BACKGROUND: In Pennsylvania, medical malpractice premiums are a major cost to surgeons. Yet surgeons often have little if any education in the basics of tort litigation or how to manage their risk. This work describes one approach for educating academic faculty surgeons on current concepts of medical malpractice and provide some guidance on how to "tip the scales of justice"; or minimize the risks of being named in a malpractice claim. MATERIALS AND METHODS: The course had five parts: the basics of medical malpractice, the cost of malpractice insurance, current departmental claims experience, strategies for decreasing the risk of being named in a claim, and an overview of malpractice reforms...
November 2016: Journal of Surgical Research
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