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https://www.readbyqxmd.com/read/28532138/a-case-based-shared-teaching-approach-in-undergraduate-medical-curriculum-a-way-for-integration-in-basic-and-clinical-sciences
#1
Soheil Peiman, Azim Mirzazadeh, Maryam Alizadeh, Sara Mortaz Hejri, Mohammad-Taghi Najafi, Abbas Tafakhori, Farnoosh Larti, Besharat Rahimi, Babak Geraiely, Parichehr Pasbakhsh, Gholamreza Hassanzadeh, Fatemeh Nabavizadeh Rafsanjani, Mohammad Ansari, Seyed Farshad Allameh
To present a multiple-instructor, active-learning strategy in the undergraduate medical curriculum. This educational research is a descriptive one. Shared teaching sessions, were designed for undergraduate medical students in six organ-system based courses. Sessions that involved in-class discussions of integrated clinical cases were designed implemented and moderated by at least 3 faculties (clinicians and basic scientists). The participants in this study include the basic sciences medical students of The Tehran University of Medical Sciences...
April 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28532068/synthetic-peptides-derived-from-salivary-proteins-and-the-control-of-surface-charge-densities-of-dental-surfaces-improve-the-inhibition-of-dental-calculus-formation
#2
Bernd Grohe
Peptides descended from the salivary proteins statherin and histatin were recently identified in saliva and the acquired enamel pellicle (AEP), a proteomic layer coated on enamel. In particular, the statherin phosphopeptide DpSpSEEKFLR (DSS) was found to adsorb to enamel-like hydroxyapatite and inhibit plaque-related crystal formation. To determine the mechanism of these processes, we studied peptide-crystal interactions based on the sequences DSS and RKFHEKHHSHRGYR (RKF). The latter is a basic histatin sequence showing antimicrobial effects...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28532022/a-novel-grapheme-oxide-modified-collagen-chitosan-bio-film-for-controlled-growth-factor-release-in-wound-healing-applications
#3
Ting Liu, Weihua Dan, Nianhua Dan, Xinhua Liu, Xuexu Liu, Xu Peng
Collagen-chitosan composite film modified with grapheme oxide (GO) and 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (EDC), termed CC-G-E film, was loaded with basic fibroblast growth factor (bFGF) as the development of an efficacious wound healing device. In this study we report a novel drug delivery system that prevents the initial burst release and loss of bioactivity of drugs in vitro and in vivo applications. The results showed that CC-G-E film possessed improved thermal stability and a higher rate of crosslinking with increased mechanical properties when the dosage of GO was between 0...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531885/fetal-treatment-2017-the-evolution-of-fetal-therapy-centers-a-joint-opinion-from-the-international-fetal-medicine-and-surgical-society-ifmss-and-the-north-american-fetal-therapy-network-naftnet
#4
Anita J Moon-Grady, Ahmet Baschat, Darrell Cass, Mahesh Choolani, Joshua A Copel, Timothy M Crombleholme, Jan Deprest, Stephen P Emery, Mark I Evans, Francois I Luks, Mary E Norton, Greg Ryan, Kuojen Tsao, Ross Welch, Michael Harrison
More than 3 decades ago, a small group of physicians and other practitioners active in what they called "fetal treatment" authored an opinion piece outlining the current status and future challenges anticipated in the field. Many advances in maternal, neonatal, and perinatal care and diagnostic and therapeutic modalities have been made in the intervening years, yet a thoughtful reassessment of the basic tenets put forth in 1982 has not been published. The present effort will aim to provide a framework for contemporary redefinition of the field of fetal treatment, with a brief discussion of the necessary minimum expertise and systems base for the provision of different types of interventions for both the mother and fetus...
May 23, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28531811/synthesis-of-novel-indole-derivatives-as-promising-dna-binding-agents-and-evaluation-of-antitumor-and-antitopoisomerase-i-activities
#5
Elizabeth Almeida Lafayette, Sinara Mônica Vitalino de Almeida, Renata Virginia Cavalcanti Santos, Jamerson Ferreira de Oliveira, Cezar Augusto da Cruz Amorim, Rosali Maria Ferreira da Silva, Maira Galdino da Rocha Pitta, Ivan da Rocha Pitta, Ricardo Olimpio de Moura, Luiz Bezerra de Carvalho Júnior, Moacyr Jesus Barreto de Melo Rêgo, Maria do Carmo Alves de Lima
Molecules bearing indole nucleus present diverse biological properties such as antitumor and anti-inflammatory activities that can be associated both to DNA and protein interactions. This study focused on the synthesis of new indole derivatives with thiazolidines and imidazolidine rings condensed as side chains as well as the evaluation of their ability to interact with the DNA and antitumor and topoisomerase inhibition activities. All derivatives were successfully synthesized and their structures were elucidated by mass spectrometry (MS), infrared (IR), spectroscopy (1)H NMR, (13)C NMR, COSY (1)H-(1)H and HSQC (1)H-(13)C...
May 4, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28531783/prototypical-versus-contemporary-mediterranean-diet
#6
W Rizza, L De Gara, R Antonelli Incalzi, C Pedone
BACKGROUND AND AIMS: To investigate the evolution of the Mediterranean Diet (MD) in a delimited area of Southern Italy, by comparing the diet adopted 60-70 years ago (Prototypical Mediterranean Diet, PMD) with the contemporary one (Contemporary Mediterranean Diet, CMD), and to verify to what extent they fitted the recommendations of the Italian and the USDA dietary guidelines. METHODS: We recruited a total of 106 participants, divided in two groups. PMD group included 52 women aged >80 years, with a good cognitive function and full independence in basic and instrumental activities of daily living...
October 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28531771/preventive-effect-of-l-carnitine-and-its-derivatives-on-endothelial-dysfunction-and-platelet-aggregation
#7
REVIEW
Mohammad Mohammadi, Azita Hajhossein Talasaz, Mohammad Alidoosti
BACKGROUND AND AIM: Oxidative stress plays an important role in platelet activation and endothelial dysfunction. Exogenous and endogenous reactive oxygen species are associated with platelet activation and vascular dysfunction. Antioxidants have been shown to attenuate oxidative stress and consequently endothelial dysfunction by preventing inflammation, regulating vascular tone, and promoting antiadhesive and antithrombotic properties. l-carnitine and its derivatives have been demonstrated to improve endothelial and platelet function against oxidative stress by several mechanisms, some of which cannot be found in other antioxidants...
October 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28531653/characteristics-needs-and-experiences-of-u-s-veterans-on-a-specialized-prison-unit
#8
Jack Tsai, Elizabeth Goggin
The Veterans Service Unit (VSU) in Connecticut is one of several all-veterans prison units that are being created throughout the United States. This study examined the characteristics, needs, and experiences of veterans on the Connecticut VSU. This study utilized data from a quality improvement survey that was completed by 87 of the 110 veterans on the Connecticut VSU (79% response rate). The majority of veterans on the VSU were white, aged 41-56, never married, and had an honorable or general military discharge making them potentially eligible for Veterans Affairs (VA) healthcare upon release...
May 17, 2017: Evaluation and Program Planning
https://www.readbyqxmd.com/read/28531645/judgment-of-moral-and-social-transgression-in-schizophrenia
#9
Jonathan McGuire, Martin Brüne, Robyn Langdon
INTRODUCTION: Despite evidence of pervasive social-cognitive deficits in schizophrenia, little is known of moral cognition in this population. While recent research indicates that impairment of explicit moral reasoning is explained by these individuals' other cognitive deficits, their capacities for basic moral judgment are unknown. METHODS: 45 people with schizophrenia and 27 healthy controls completed the Moral-Conventional Distinction Task: a classic task that assesses judgment of violations of moral or social convention on permissibility, severity, and authority-contingence...
May 4, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28531615/changes-in-body-composition-and-basic-metabolic-rate-bmr-following-bariatric-surgery
#10
Magda Sotirxou, Athanasios Migdanis, Ioannis Migdanis, Maria Kanaki, Giorgos Koukoulis, Andreas Alexandrou, Theodoros Diamantis
No abstract text is available yet for this article.
June 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28531339/limtox-a-web-tool-for-applied-text-mining-of-adverse-event-and-toxicity-associations-of-compounds-drugs-and-genes
#11
Andres Cañada, Salvador Capella-Gutierrez, Obdulia Rabal, Julen Oyarzabal, Alfonso Valencia, Martin Krallinger
A considerable effort has been devoted to retrieve systematically information for genes and proteins as well as relationships between them. Despite the importance of chemical compounds and drugs as a central bio-entity in pharmacological and biological research, only a limited number of freely available chemical text-mining/search engine technologies are currently accessible. Here we present LimTox (Literature Mining for Toxicology), a web-based online biomedical search tool with special focus on adverse hepatobiliary reactions...
May 22, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28531298/evolution-of-bacterial-virulence
#12
Médéric Diard, Wolf-Dietrich Hardt
Bacterial virulence is highly dynamic and context-dependent. For this reason, it is challenging to predict how molecular changes affect the growth of a pathogen in a host and its spread in host population. Two schools of thought have taken quite different directions to decipher the underlying principles of bacterial virulence. While molecular infection biology is focusing on the basic mechanisms of the pathogen-host interaction, evolution biology takes virulence as one of several parameters affecting pathogen spread in a host population...
May 22, 2017: FEMS Microbiology Reviews
https://www.readbyqxmd.com/read/28531225/protein-charge-distribution-in-proteomes-and-its-impact-on-translation
#13
Rodrigo D Requião, Luiza Fernandes, Henrique José Araujo de Souza, Silvana Rossetto, Tatiana Domitrovic, Fernando L Palhano
As proteins are synthesized, the nascent polypeptide must pass through a negatively charged exit tunnel. During this stage, positively charged stretches can interact with the ribosome walls and slow the translation. Therefore, charged polypeptides may be important factors that affect protein expression. To determine the frequency and distribution of positively and negatively charged stretches in different proteomes, the net charge was calculated for every 30 consecutive amino acid residues, which corresponds to the length of the ribosome exit tunnel...
May 22, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28531138/phytochemical-composition-and-antioxidant-capacity-of-seven-saskatoon-berry-amelanchier-alnifolia-nutt-genotypes-grown-in-poland
#14
Sabina Lachowicz, Jan Oszmiański, Łukasz Seliga, Stanisław Pluta
The basic chemical composition, bioactive compounds, and antioxidant capacity of fruits of three new Polish breeding clones (No. 5/6, type S, and type N) and four Canadian cultivars (cvs.) ("Martin", "Smoky", "Pembina", and "Honeywood") grown in Poland in 2016 were investigated. Fruits were analyzed for their contents of triterpenoids, carotenoids, chlorophylls, and polyphenolics with the ultra-performance liquid chromatography photodiode detector-quadrupole/time-of-flight mass spectrometry (UPLC-PDA-Q/TOF-MS) method, sugar with the high-performance liquid chromatography-evaporative light scattering detector (HPLC-ELSD) method, and antioxidant capacity with the ability to reduce free radical (ABTS) and ferric reducing ability of plasma (FRAP) method...
May 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28530862/administration-of-medical-electronics-a-review-of-some-criteria-basic-to-effective-and-economical-management-of-medical-electronic-equipment
#15
John E Abele
No abstract text is available yet for this article.
May 2017: Biomedical Instrumentation & Technology
https://www.readbyqxmd.com/read/28530839/meeting-report-of-the-fifth-international-cancer-epigenetics-conference-in-beijing-china-october-2016
#16
Dan Gao, James G Herman, Hengmi Cui, Jin Jen, Francois Fuks, Malcolm V Brock, Toshikazu Ushijima, Carlo Croce, Yoshimitsu Akiyama, Mingzhou Guo
Fifth International Cancer Epigenetics Conference, Beijing, China, 21-23 October 2016 This meeting reported many new findings in the field of cancer epigenetics, including basic science, translational and clinical studies. In this report, we summarize some of the main advancements and prospects in cancer epigenetics presented at this meeting.
May 22, 2017: Epigenomics
https://www.readbyqxmd.com/read/28530835/on-the-formation-of-epitaxially-connected-quantum-dot-solids-nucleation-and-coherent-phase-transition
#17
Kevin Whitham, Tobias Hanrath
The formation of epitaxially connected quantum dot solids involves a complex interplay of interfacial assembly, surface chemistry, and irreversible directed attachment. We describe the basic mechanism in context of a coherent phase transition with distinct nucleation and propagation steps. The proposed mechanism explains how defects in the pre-assembled structure influence nucleation and how basic geometric relationships govern the transformation from hexagonal assemblies of isolated dots to interconnected solids with square symmetry...
May 22, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28530817/inherently-chiral-upper-rim-bridged-calix-4-arenes-possessing-a-seven-membered-ring
#18
Martin Tlustý, Petr Slavík, Michal Kohout, Václav Eigner, Pavel Lhoták
The mercuration of calix[4]arene immobilized in the cone conformation allowed the introduction of an amino group at the meta position of the basic skeleton. Acylation and subsequent intramolecular Bischler-Napieralski-type cyclization led to a novel type of bridged calixarene containing a seven-membered ring. These compounds with an enlarged and rigidified cavity represent a unique and inherently chiral system that may potentially be applicable for the design of chiral receptors. The absolute configuration of one enantiomer, obtained by resolution of the racemate using chiral HPLC, was assigned by single-crystal structure determination...
May 22, 2017: Organic Letters
https://www.readbyqxmd.com/read/28530798/heterogeneous-molecular-catalysis-of-electrochemical-reactions-volcano-plots-and-catalytic-tafel-plots
#19
Cyrille Costentin, Jean-Michel Savéant
We analyze here, in the framework of heterogeneous mo-lecular catalysis the reasons of occurrence or non-occurrence of volcanoes upon plotting the kinetics of the catalytic reaction versus the stabilization free energy of the primary intermediate of the catalytic process. As in the case of homogeneous molecular catalysis or catalysis by surface active metallic sites, a strong motivation of such studies relates to modern energy challenges, particularly those involving small molecules such as water, hydrogen, oxygen, proton and carbon dioxide...
May 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28530700/back-to-basics
#20
Ellen P Neff
No abstract text is available yet for this article.
May 22, 2017: Lab Animal
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