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https://www.readbyqxmd.com/read/29668121/lipofection-of-plasmid-dna-into-human-mast-cell-lines-using-lipid-nanoparticles-generated-by-microfluidic-mixing
#1
Brett A Duguay, Kate Wei-Chen Huang, Marianna Kulka
Mast cells are important immune cells that have significant roles in mediating allergy and asthma. Therefore, studying the molecular mechanisms regulating these and other processes in mast cells is important to elucidate. Methods such as lipofection, transduction, and electroporation are often employed to dissect these mechanisms by disrupting gene expression in mast cell lines. However, as with other leukocytes, human mast cells (HMCs) are often refractory to the delivery of plasmids by lipofection. In this study, we investigated the utility of lipid nanoparticles (LNPs) containing the ionizable cationic lipids 1,2-dioleoyloxy-3-dimethylaminopropane, 1,2-dioleyloxy-3-dimethylaminopropane, or 2,2-dilinoleyl-4-(2-dimethylaminoethyl)-[1,3]-dioxolane for the delivery of plasmid DNA into HMC lines...
April 18, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29667519/an-investigation-of-factors-affecting-the-performance-of-wheelchair-transfers
#2
Giulia Barbareschi, Catherine Holloway
PURPOSE: Being able to transfer in and out of their wheelchair is an important task for wheelchair users that can be affected by a variety of different factors. The aim of this study was to investigate the interplay between personal characteristics, wheelchair users' transferring technique and the other factors that can affect the performance of wheelchair transfers. METHOD: A cross-sectional survey study was designed to recruit wheelchair users, aged 18 or older, performing sitting-pivot or standing-pivot wheelchair transfers, independently or with assistance...
April 18, 2018: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/29667466/evaluation-of-a-modified-16-item-readiness-for-interprofessional-learning-scale-ripls-exploratory-and-confirmatory-factor-analyses
#3
Tzu-Chieh Yu, Tanisha Jowsey, Marcus Henning
The Readiness for Interprofessional Learning Scale (RIPLS) was developed to assess undergraduate readiness for engaging in interprofessional education (IPE). It has become an accepted and commonly used instrument. To determine utility of a modified 16-item RIPLS instrument, exploratory and confirmatory factor analyses were performed. Data used were collected from a pre- and post-intervention study involving 360 New Zealand undergraduate students from one university. Just over half of the participants were enrolled in medicine (51%) while the remainder were in pharmacy (27%) and nursing (22%)...
April 18, 2018: Journal of Interprofessional Care
https://www.readbyqxmd.com/read/29667346/in-situ-vaccination-harvesting-low-hanging-fruit-on-the-cancer-immunotherapy-tree
#4
REVIEW
Mee Rie Sheen, Steven Fiering
After 100 years of debate, it is clear that cancer is recognized by the immune system and this has generated immense interest in cancer immunotherapy. The systemic nature of the immune system gives immunotherapy the ability to treat metastatic disease, which currently requires chemotherapy that frequently fails. Like chemotherapy, most immunotherapy is systemically applied in an effort to generate systemic antitumor immune response. However, local administration of immunostimulatory reagents into a recognized tumor by in situ vaccination (ISV) can also generate systemic antitumor immunity to fight metastatic disease...
April 18, 2018: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/29667256/procalcitonin-and-c-reactive-protein-as-biomarkers-for-neonatal-bacterial-infection
#5
Ashfaque F Quadir, Philip N Britton
AIM: Neonates are predisposed to bacterial infection which are an important cause of early childhood morbidity and mortality globally. It has been proposed that procalcitonin has significant utility as a diagnostic marker for bacterial infection in febrile neonates when compared to C-reactive protein (CRP). The aim of this study is to conduct a literature search to find the best available evidence to answer the clinical question of the utility of procalcitonin when compared to CRP as a predictor of bacterial infection in febrile neonates...
April 17, 2018: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29666931/genome-editing-and-induced-pluripotent-stem-cell-technologies-for-personalized-study-of-cardiovascular-diseases
#6
REVIEW
Young Wook Chun, Matthew D Durbin, Charles C Hong
PURPOSE OF REVIEW: The goal of this review is to highlight the potential of induced pluripotent stem cell (iPSC)-based modeling as a tool for studying human cardiovascular diseases. We present some of the current cardiovascular disease models utilizing genome editing and patient-derived iPSCs. RECENT FINDINGS: The incorporation of genome-editing and iPSC technologies provides an innovative research platform, providing novel insight into human cardiovascular disease at molecular, cellular, and functional level...
April 17, 2018: Current Cardiology Reports
https://www.readbyqxmd.com/read/29666837/cancer-telomeres-and-white-crows
#7
REVIEW
Alan K Meeker
This mini-review article discusses past and present prostate-focused research on telomere and telomerase biology conducted at Johns Hopkins, through the eyes of a Donald S Coffey trainee. Included are past discoveries of abnormalities in telomere biology in the context of prostate cancer and its pre-malignant precursor prostatic intraepithelial neoplasia (PIN); the finding that telomerase activity is androgen-regulated in the prostate, and the potential role of telomerase in prostate epithelial stem cells. Also reviewed are more recent results showing that in situ telomere length measurements in patient tissue specimens may have utility in risk assessment and as a prognostic biomarker...
2018: American Journal of Clinical and Experimental Urology
https://www.readbyqxmd.com/read/29665720/community-pharmacist-preferences-in-transition-of-care-communications
#8
Mackenzie A Dolan, Chelsea P Renfro, Stefanie P Ferreri, Betsy B Shilliday, Timothy J Ives, Jamie J Cavanaugh
OBJECTIVE: To determine community pharmacist preferences in transition of care (TOC) communications. METHODS: In this cross-sectional study, data were gathered via electronic survey of community pharmacists regarding their preferences for TOC communications. The survey was distributed via email by the North Carolina Board of Pharmacy. Results were analyzed using descriptive statistics. RESULTS: Survey responses were received from 343 community pharmacists (response rate = 6...
January 1, 2018: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/29665280/chemistry-of-cyanide-adducts-of-aldimines-from-aniline-derivatives
#9
REVIEW
Eunjoon Park, Jiye Jeon, Cheol-Hong Cheon
The chemistry of hydrogen cyanide adducts of imines is well-developed, but that of cyanide adducts remains unexplored. This is presumably because these cyanide adducts are not stable and thus not readily available in their isolated forms. In this personal account, we present the progress made in our research program towards the development of novel organic transformations utilizing cyanide adducts of imines as key intermediates. We also report the application of these methodologies to the total synthesis of natural products including indole alkaloids...
April 17, 2018: Chemical Record: An Official Publication of the Chemical Society of Japan ... [et Al.]
https://www.readbyqxmd.com/read/29665068/osteoporosis-and-hip-fracture-risk-from-routine-computed-tomography-scans-the-fracture-osteoporosis-and-ct-utilization-study-focus
#10
Annette L Adams, Heidi Fischer, David L Kopperdahl, David C Lee, Dennis M Black, Mary L Bouxsein, Shireen Fatemi, Sundeep Khosla, Eric S Orwoll, Ethel S Siris, Tony M Keaveny
Methods now exist for analyzing previously taken clinical computed tomography (CT) scans to measure a dual-energy X-ray absorptiometry (DXA)-equivalent bone mineral density (BMD) at the hip and a finite element analysis-derived femoral strength. We assessed the efficacy of this "biomechanical CT" (BCT) approach for identifying patients at high risk of incident hip fracture in a large clinical setting. Using a case-cohort design sampled from 111,694 women and men aged 65 or older who had a prior hip CT scan, a DXA within 3 years of the CT, and no prior hip fracture, we compared those with subsequent hip fracture (n = 1959) with randomly selected sex-stratified controls (n = 1979) and analyzed their CT scans blinded to all other data...
April 17, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29664470/curated-compendium-of-human-transcriptional-biomarker-data
#11
Nathan P Golightly, Avery Bell, Anna I Bischoff, Parker D Hollingsworth, Stephen R Piccolo
One important use of genome-wide transcriptional profiles is to identify relationships between transcription levels and patient outcomes. These translational insights can guide the development of biomarkers for clinical application. Data from thousands of translational-biomarker studies have been deposited in public repositories, enabling reuse. However, data-reuse efforts require considerable time and expertise because transcriptional data are generated using heterogeneous profiling technologies, preprocessed using diverse normalization procedures, and annotated in non-standard ways...
April 17, 2018: Scientific Data
https://www.readbyqxmd.com/read/29664412/superconducting-selenides-intercalated-with-organic-molecules-synthesis-crystal-structure-electric-and-magnetic-properties-superconducting-properties-and-phase-separation-in-iron-based-chalcogenides-and-hybrid-organic-inorganic-superconductors
#12
Anna Krzton-Maziopa, Edyta Pesko, Roman Puzniak
Layered iron-based superconducting chalcogenides intercalated with molecular species are the subject of intensive studies, especially in the field of solid state chemistry and condensed matter physics, because of their intriguing chemistry and tunable electric and magnetic properties. Considerable progress in the research, revealing superconducting inorganic organic hybrid materials with transition temperatures to superconducting state, Tc, up to 46 K, has been brought in recent years. These novel materials are synthesized by low temperature intercalation of molecular species, such as solvates of alkali metals and nitrogen-containing donor compounds, into layered FeSe-type structure...
April 17, 2018: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/29664214/predictive-probability-methods-for-interim-monitoring-in-clinical-trials-with-longitudinal-outcomes
#13
Ming Zhou, Qi Tang, Lixin Lang, Jun Xing, Kay Tatsuoka
In clinical research and development, interim monitoring is critical for better decision-making and minimizing the risk of exposing patients to possible ineffective therapies. For interim futility or efficacy monitoring, predictive probability methods are widely adopted in practice. Those methods have been well studied for univariate variables. However, for longitudinal studies, predictive probability methods using univariate information from only completers may not be most efficient, and data from on-going subjects can be utilized to improve efficiency...
April 17, 2018: Statistics in Medicine
https://www.readbyqxmd.com/read/29664124/a-comparison-of-the-treatment-recommendations-for-neurogenic-lower-urinary-tract-dysfunction-in-the-national-institute-for-health-and-care-excellence-european-association-of-urology-and-international-consultations-on-incontinence-guidelines
#14
Ashley Jaggi, Marcus Drake, Emad Siddiqui, Francis Fatoye
AIMS: Healthcare guidelines are an important vehicle in establishing up-to-date evidence based medicine (EBM) in clinical practice. Due to varying development processes, clinical guidelines created by different institutions can often contain contrasting recommendations. This can have implications for optimal and standardized patient care across management settings. METHODS: The similarities and differences of treatment recommendations made in the National Institute for Health and Care Excellence (NICE), The European Association of Urology (EAU), and the International Consultation on Continence (ICI) guidelines for neurogenic lower urinary tract dysfunction (NLUTD) were assessed...
April 17, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29663578/optimization-of-immunolabeling-and-clearing-techniques-for-indelibly-labeled-memory-traces
#15
Ina P Pavlova, Shannon C Shipley, Marcos Lanio, René Hen, Christine A Denny
Recent genetic tools have allowed researchers to visualize and manipulate memory traces (i.e. engrams) in small brain regions. However, the ultimate goal is to visualize memory traces across the entire brain in order to better understand how memories are stored in neural networks and how multiple memories may coexist. Intact tissue clearing and imaging is a new and rapidly growing area of focus that could accomplish this task. Here, we utilized the leading protocols for whole-brain clearing and applied them to the ArcCreERT2 mice, a murine line that allows for the indelible labeling of memory traces...
April 16, 2018: Hippocampus
https://www.readbyqxmd.com/read/29663554/implant-associated-bacterial-biofilm-and-quorum-sensing-in-periprosthetic-joint-infections
#16
Jake A Mooney, Eric M Pridgen, Robert Manasherob, Gina Suh, Helen E Blackwell, Annelise E Barron, Paul L Bollyky, Stuart B Goodman, Derek F Amanatullah
Periprosthetic joint infection (PJI) continues to be a common complication after total knee arthroplasty and total hip arthroplasty leading to severe morbidity and mortality. With an aging population and increasing prevalence of total joint replacement procedures, the burden of PJI will be felt not only by individual patients, but in increased healthcare costs. Current treatment of PJI is inadequate resulting in incredibly high failure rates. This is believed to be largely mediated by the presence of bacterial biofilms...
April 16, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29663536/organic-2d-optoelectronic-crystals-charge-transport-emerging-functions-and-their-design-perspective
#17
REVIEW
Sang Kyu Park, Jin Hong Kim, Soo Young Park
2D organic semiconductor crystals are emerging as a fascinating platform with regard to their applications in organic field-effect transistors (OFETs), attributed to their enhanced charge transport efficiency and their new optoelectronic functions, based on their unique morphological features. Advances in material processing techniques have not only enabled easy fabrication of few-monolayered 2D nanostructures but also facilitated exploration of the interesting properties induced by characteristic 2D morphologies...
April 16, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29663375/long-noncoding-rna-h19-mediates-lcor-to-impact-the-osteogenic-and-adipogenic-differentiation-of-mbmscs-in-mice-through-sponging-mir-188
#18
Yijun Wang, Wentao Liu, Yadong Liu, Jianli Cui, Zhiwei Zhao, Hui Cao, Zhuo Fu, Bin Liu
The research aimed to examine the expression of lncRNA H19, miR-188, and LCoR in mouse bone marrow stromal stem cells (mBMSCs), and to investigate the regulatory mechanism of lncRNA H19/miR-188/LCoR in osteogenic and adipogenic differentiation of mBMSCs. The expression of miR-188 in mBMSCs and osteogenesis induced mBMSCs was detected by stem-loop RT-PCR, while the expression of H19 and LCoR in mBMSCs and adipogenesis induced mBMSCs was examined by qRT-PCR. Luciferase reporter assay verified the targeted relationship between miR-188 and H19 or LCoR...
April 16, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29663265/telemedicine-and-mobile-health-technology-are-effective-in-the-management-of-digestive-diseases-a-systematic-review
#19
REVIEW
Brian C Helsel, Joel E Williams, Kristen Lawson, Jessica Liang, Jonathan Markowitz
BACKGROUND: Mobile applications and interactive websites are an increasingly used method of telemedicine, but their use lacks evidence in digestive diseases. AIM: This study aims to explore digestive disease studies that use telemedicine to effectively manage disease activity, help monitor symptoms, improve compliance to the treatment protocol, increase patient satisfaction, and enhance the patient-to-provider communication. METHODS: EBSCO, PubMed, and Web of Science databases were searched using Medical Subject Headings and other keywords to identify studies that utilized telemedicine in patients with digestive disease...
April 16, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29663184/performance-based-measures-and-behavioral-ratings-of-executive-function-in-diagnosing-attention-deficit-hyperactivity-disorder-in-children
#20
Alexander Tan, Lauren Delgaty, Kayla Steward, Melissa Bunner
Deficits in real-world executive functioning (EF) are a frequent characteristic of attention-deficit/hyperactivity disorder (ADHD). However, the predictive value of using performance-based and behavioral rating measures of EF when diagnosing ADHD remains unclear. The current study investigates the use of performance-based EF measures and a parent-report questionnaire with established ecological validity and clinical utility when diagnosing ADHD. Participants included 21 healthy controls, 21 ADHD-primary inattentive, and 21 ADHD-combined type subjects aged 6-15 years...
April 16, 2018: Attention Deficit and Hyperactivity Disorders
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