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https://www.readbyqxmd.com/read/27912878/selecting-optimum-protein-nano-carriers-for-natural-polyphenols-using-chemoinformatics-tools
#1
AbdelKader A Metwally, Sherweit H El-Ahmady, Rania M Hathout
BACKGROUND: The normal fate of any natural product with a therapeutic potential is to be formulated into an effective medicine. However, the conventional methods of selecting the suitable formulations or carriers based on the formulator experiences, trials and errors as well as materials availability do not usually yield the optimal results. HYPOTHESIS: We hypothesize the possibility of the virtual optimum selection of a protein carrier for two polyphenolic compounds widely investigated for their chemopreventive effects; resveratrol and curcumin using a combination of some chemoinformatics tools...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27911347/smartphone-applications-for-immersive-virtual-reality-therapy-for-internet-addiction-and-internet-gaming-disorder
#2
Melvyn W B Zhang, Roger C M Ho
There have been rapid advances in technologies over the past decade and virtual reality technology is an area which is increasingly utilized as a healthcare intervention in many disciplines including that of Medicine, Surgery and Psychiatry. In Psychiatry, most of the current interventions involving the usage of virtual reality technology is limited to its application for anxiety disorders. With the advances in technology, Internet addiction and Internet gaming disorders are increasingly prevalent. To date, these disorders are still being treated using conventional psychotherapy methods such as cognitive behavioural therapy...
November 25, 2016: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/27908220/pluripotent-stem-cells-the-last-10-years
#3
Erin A Kimbrel, Robert Lanza
Pluripotent stem cells (PSCs) can differentiate into virtually any cell type in the body, making them attractive for both regenerative medicine and drug discovery. Over the past 10 years, technological advances and innovative platforms have yielded first-in-man PSC-based clinical trials and opened up new approaches for disease modeling and drug development. Induced PSCs have become the foremost alternative to embryonic stem cells and accelerated the development of disease-in-a-dish models. Over the years and with each new discovery, PSCs have proven to be extremely versatile...
December 2, 2016: Regenerative Medicine
https://www.readbyqxmd.com/read/27904452/virtual-modelling-of-novel-applicator-prototypes-for-cervical-cancer-brachytherapy
#4
Primoz Petric, Robert Hudej, Noora Al-Hammadi, Barbara Segedin
BACKGROUND: Standard applicators for cervical cancer Brachytherapy (BT) do not always achieve acceptable balance between target volume and normal tissue irradiation. We aimed to develop an innovative method of Target-volume Density Mapping (TDM) for modelling of novel applicator prototypes with optimal coverage characteristics. Patients and methods. Development of Contour-Analysis Tool 2 (CAT-2) software for TDM generation was the core priority of our task group. Main requests regarding software functionalities were formulated and guided the coding process...
December 1, 2016: Radiology and Oncology
https://www.readbyqxmd.com/read/27896724/genomic-database-searching
#5
James R A Hutchins
The availability of reference genome sequences for virtually all species under active research has revolutionized biology. Analyses of genomic variations in many organisms have provided insights into phenotypic traits, evolution and disease, and are transforming medicine. All genomic data from publicly funded projects are freely available in Internet-based databases, for download or searching via genome browsers such as Ensembl, Vega, NCBI's Map Viewer, and the UCSC Genome Browser. These online tools generate interactive graphical outputs of relevant chromosomal regions, showing genes, transcripts, and other genomic landmarks, and epigenetic features mapped by projects such as ENCODE...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27884974/from-leeches-to-personalized-medicine-evolving-concepts-in-the-management-of-polycythemia-vera
#6
Alessandro Maria Vannucchi
Polycythemia vera (PV), a clonal disorders of hematopoietic stem/progenitor cells that manifests with prevalent expansion of red cell mass, is the most frequent among chronic myeloproliferative neoplasms (MPN). It is characterized by a V617F point mutation in JAK2 exon 14 , or less common mutations in exon 12, in virtually all cases. The landmark discovery of autonomously activated JAK/STAT signaling pathway paved the way for the clinical development of the first target drug, the JAK1 and JAK2 inhibitor ruxolitinib, that is now approved for patients with resistance or intolerance to hydroxyurea...
November 24, 2016: Haematologica
https://www.readbyqxmd.com/read/27884057/patient-perceptions-of-a-virtual-health-room-installation-in-rural-sweden
#7
Simon Näverlo, Dean B Carson, Anette Edin-Liljegren, Mirjam Ekstedt
INTRODUCTION: The Virtual Health Room (VHR) is an ehealth initiative in the village of Slussfors in northern Sweden. Construction of VHRs in other locations is taking place, and the Centre for Rural Medicine in the Västerbotten County Council primary care department has implemented a VHR evaluation framework. This research focuses on evaluation of patient perceptions of the usability of the VHR and its contribution to their health care. METHODS: Nineteen of the 25 unique users of the VHR during 2014/15 completed a survey asking about their attitudes to their own health (using the 13-question version of the Patient Activation Measure (PAM)), their demographic attributes, and their satisfaction with their visit to the VHR...
October 2016: Rural and Remote Health
https://www.readbyqxmd.com/read/27835981/testing-a-videogame-intervention-to-recalibrate-physician-heuristics-in-trauma-triage-study-protocol-for-a-randomized-controlled-trial
#8
Deepika Mohan, Matthew R Rosengart, Baruch Fischhoff, Derek C Angus, Coreen Farris, Donald M Yealy, David J Wallace, Amber E Barnato
BACKGROUND: Between 30 and 40 % of patients with severe injuries receive treatment at non-trauma centers (under-triage), largely because of physician decision making. Existing interventions to improve triage by physicians ignore the role that intuition (heuristics) plays in these decisions. One such heuristic is to form an initial impression based on representativeness (how typical does a patient appear of one with severe injuries). We created a video game (Night Shift) to recalibrate physician's representativeness heuristic in trauma triage...
November 11, 2016: BMC Emergency Medicine
https://www.readbyqxmd.com/read/27818540/applicability-of-three-dimensional-imaging-techniques-in-fetal-medicine
#9
Heron Werner Júnior, Jorge Lopes Dos Santos, Simone Belmonte, Gerson Ribeiro, Pedro Daltro, Emerson Leandro Gasparetto, Edson Marchiori
OBJECTIVE: To generate physical models of fetuses from images obtained with three-dimensional ultrasound (3D-US), magnetic resonance imaging (MRI), and, occasionally, computed tomography (CT), in order to guide additive manufacturing technology. MATERIALS AND METHODS: We used 3D-US images of 31 pregnant women, including 5 who were carrying twins. If abnormalities were detected by 3D-US, both MRI and in some cases CT scans were then immediately performed. The images were then exported to a workstation in DICOM format...
September 2016: Radiologia Brasileira
https://www.readbyqxmd.com/read/27815798/relevance-of-ehealth-standards-for-big-data-interoperability-in-radiology-and-beyond
#10
Paolo Marcheschi
The aim of this paper is to report on the implementation of radiology and related information technology standards to feed big data repositories and so to be able to create a solid substrate on which to operate with analysis software. Digital Imaging and Communications in Medicine (DICOM) and Health Level 7 (HL7) are the major standards for radiology and medical information technology. They define formats and protocols to transmit medical images, signals, and patient data inside and outside hospital facilities...
November 4, 2016: La Radiologia Medica
https://www.readbyqxmd.com/read/27810905/management-of-endocrine-disease-regenerative-therapies-in-autoimmune-addison-s-disease-aad
#11
Earn Hui Gan, Simon Hs Pearce
The treatment for autoimmune Addison's disease (AAD) has remained virtually unchanged in the last 60 years. Most patients have symptoms that are relatively well controlled with exogenous steroid replacement but there may be persistent symptoms, recurrent adrenal crisis and poor quality of life, despite good compliance with optimal current treatments. Treatment with conventional exogenous steroid therapy is also associated with premature mortality, increased cardiovascular risk and complications related to excessive steroid replacement...
November 3, 2016: European Journal of Endocrinology
https://www.readbyqxmd.com/read/27800653/problem-based-learning-in-internal-medicine-virtual-patients-or-paper-based-problems-%C3%A5
#12
Monika Sobocan, Neja Turk, Dejan Dinevski, Radovan Hojs, Breda Pecovnik Balon
BACKGROUND: Teaching using paper problem-based learning (p-PBL) sessions has left some students fatigued with the learning process. Therefore, attempts have been made to replace p-PBL with digitally enhanced, decision-making PBL in the form of virtual patients (VPs). Student enthusiasm for substituting p-PBL with VPs has not been quantitatively evaluated on the intended educational effects. AIM: To determine the educational effects of substituting p-PBL sessions with VPs on undergraduate medical students in their internal medicine course...
November 1, 2016: Internal Medicine Journal
https://www.readbyqxmd.com/read/27798818/an-evaluation-of-outcomes-following-the-replacement-of-traditional-histology-laboratories-with-self-study-modules
#13
Andrew R Thompson, D J Lowrie
Changes in medical school curricula often require educators to develop teaching strategies that decrease contact hours while maintaining effective pedagogical methods. When faced with this challenge, faculty at the University of Cincinnati College of Medicine converted the majority of in-person histology laboratory sessions to self-study modules that utilize multiple audiovisual modalities and a virtual microscope platform. Outcomes related to this shift were investigated through performance on in-house examinations, results of the United States Medical Licensing Examination(®) (USMLE(®) ) Step 1 Examination, and student feedback...
October 31, 2016: Anatomical Sciences Education
https://www.readbyqxmd.com/read/27797110/increased-robustness-in-reference-region-model-analysis-of-dce-mri-using-two-step-constrained-approaches
#14
Zaki Ahmed, Ives R Levesque
PURPOSE: Reference region models (RRMs) can quantify tumor perfusion in dynamic contrast-enhanced MRI without an arterial input function. Inspection of the RRM reveals that one of the free parameters in the fit is uniquely linked to the reference region and is common to all voxels. A two-step approach is proposed that takes this constraint into account. METHODS: Three constrained RRM (CRRM) approaches were devised and evaluated. Simulations were performed to compare their accuracy and precision over a range of noise and temporal resolutions...
October 31, 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/27789974/nationwide-trends-in-glucose-lowering-drug-use-denmark-1999-2014
#15
Diana Hedevang Christensen, Jørgen Rungby, Reimar Wernich Thomsen
PURPOSE: The objective of this study was to examine nationwide population-based time trends in the utilization of all glucose-lowering drugs in Denmark from 1999 to 2014. METHODS: Based on nationwide data from the Register of Medicinal Products Statistics, we retrieved sales statistics on glucose-lowering drugs and reported the total number of users and the prevalence of users per 1,000 inhabitants in 1-year intervals for all glucose-lowering drug classes. RESULTS: The annual prevalence of glucose-lowering drug users increased more than twofold from 19 per 1,000 inhabitants in 1999 (n=98,362) to 41 per 1,000 in 2014 (n=233,230)...
2016: Clinical Epidemiology
https://www.readbyqxmd.com/read/27776880/guided-autotransplantation-of-teeth-a-novel-method-using-virtually-planned-3-dimensional-templates
#16
Georg D Strbac, Albrecht Schnappauf, Katharina Giannis, Michael H Bertl, Andreas Moritz, Christian Ulm
INTRODUCTION: The aim of this study was to introduce an innovative method for autotransplantation of teeth using 3-dimensional (3D) surgical templates for guided osteotomy preparation and donor tooth placement. METHODS: This report describes autotransplantation of immature premolars as treatment of an 11-year-old boy having suffered severe trauma with avulsion of permanent maxillary incisors. This approach uses modified methods from guided implant surgery by superimposition of Digital Imaging and Communications in Medicine files and 3D data sets of the jaws in order to predesign 3D printed templates with the aid of a fully digital workflow...
October 21, 2016: Journal of Endodontics
https://www.readbyqxmd.com/read/27776087/congress-of-neurological-surgeons-systematic-review-and-evidence-based-guideline-on-the-management-of-patients-with-positional-plagiocephaly-the-role-of-repositioning
#17
Paul Klimo, Patrick Ryan Lingo, Lissa C Baird, David F Bauer, Alexandra Beier, Susan Durham, Alexander Y Lin, Catherine McClung-Smith, Laura Mitchell, Dimitrios Nikas, Mandeep S Tamber, Rachana Tyagi, Catherine Mazzola, Ann Marie Flannery
BACKGROUND: Plagiocephaly, involving positional deformity of the calvarium in infants, is one of the most common reasons for pediatric neurosurgical consultation. OBJECTIVE: To answer the question: "what is the evidence for the effectiveness of repositioning for positional plagiocephaly?" Treatment recommendations are provided based on the available evidence. METHODS: The National Library of Medicine MEDLINE database and the Cochrane Library were queried using MeSH headings and key words relevant to repositioning as a means to treat plagiocephaly and brachycephaly...
November 2016: Neurosurgery
https://www.readbyqxmd.com/read/27774645/rapid-3d-in-vivo-1h-human-lung-respiratory-imaging-at-1-5%C3%A2-t-using-ultra-fast-balanced-steady-state-free-precession
#18
Orso Pusterla, Grzegorz Bauman, Mark O Wielpütz, Sylvia Nyilas, Philipp Latzin, Claus P Heussel, Oliver Bieri
PURPOSE: To introduce a reproducible, nonenhanced 1H MRI method for rapid in vivo functional assessment of the whole lung at 1.5 Tesla (T). METHODS: At different respiratory volumes, the pulmonary signal of ultra-fast steady-state free precession (ufSSFP) follows an adapted sponge model, characterized by a respiratory index α. From the model, α reflects local ventilation-related information, is virtually independent from the lung density and thus from the inspiratory phase and breathing amplitude...
October 23, 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/27770811/long-range-personalized-cancer-treatment-strategies-incorporating-evolutionary-dynamics
#19
Chen-Hsiang Yeang, Robert A Beckman
BACKGROUND: Current cancer precision medicine strategies match therapies to static consensus molecular properties of an individual's cancer, thus determining the next therapeutic maneuver. These strategies typically maintain a constant treatment while the cancer is not worsening. However, cancers feature complicated sub-clonal structure and dynamic evolution. We have recently shown, in a comprehensive simulation of two non-cross resistant therapies across a broad parameter space representing realistic tumors, that substantial improvement in cure rates and median survival can be obtained utilizing dynamic precision medicine strategies...
October 22, 2016: Biology Direct
https://www.readbyqxmd.com/read/27768772/de-novo-transcriptomes-of-forsythia-koreana-using-a-novel-assembly-method-insight-into-tissue-and-species-specific-expression-of-lignan-biosynthesis-related-gene
#20
Akira Shiraishi, Jun Murata, Erika Matsumoto, Shin Matsubara, Eiichiro Ono, Honoo Satake
Forsythia spp. are perennial woody plants which are one of the most extensively used medicinal sources of Chinese medicines and functional diets owing to their lignan contents. Lignans have received widespread attention as leading compounds in the development of antitumor drugs and healthy diets for reducing the risks of lifestyle-related diseases. However, the molecular basis of Forsythia has yet to be established. In this study, we have verified de novo deep transcriptome of Forsythia koreana leaf and callus using the Illumina HiSeq 1500 platform...
2016: PloS One
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