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https://www.readbyqxmd.com/read/29334720/-responding-to-national-strategy-demand-for-a-new-era-and-grasping-key-problems-of-basic-frontiers-in-preventive-medicine-shuangqing-forum-no-192-of-national-natural-science-foundation-of-china
#1
L Q Qin, C Q Yu, Y F Dai, A H Gu, Z W Zhang
No abstract text is available yet for this article.
January 6, 2018: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29334372/pharmacological-blockade-of-asct2-dependent-glutamine-transport-leads-to-antitumor-efficacy-in-preclinical-models
#2
Michael L Schulte, Allie Fu, Ping Zhao, Jun Li, Ling Geng, Shannon T Smith, Jumpei Kondo, Robert J Coffey, Marc O Johnson, Jeffrey C Rathmell, Joe T Sharick, Melissa C Skala, Jarrod A Smith, Jordan Berlin, M Kay Washington, Michael L Nickels, H Charles Manning
The unique metabolic demands of cancer cells underscore potentially fruitful opportunities for drug discovery in the era of precision medicine. However, therapeutic targeting of cancer metabolism has led to surprisingly few new drugs to date. The neutral amino acid glutamine serves as a key intermediate in numerous metabolic processes leveraged by cancer cells, including biosynthesis, cell signaling, and oxidative protection. Herein we report the preclinical development of V-9302, a competitive small molecule antagonist of transmembrane glutamine flux that selectively and potently targets the amino acid transporter ASCT2...
January 15, 2018: Nature Medicine
https://www.readbyqxmd.com/read/29334194/enrollment-in-early-phase-clinical-trials-in-pediatric-oncology-the-experience-at-institut-curie
#3
Aurore Surun, Marie-Églantine Dujaric, Isabelle Aerts, Daniel Orbach, Irène Jiménez, Hélène Pacquement, Gudrun Schleiermacher, Franck Bourdeaut, Jean Michon, Jean-Claude K Dupont, François Doz
BACKGROUND: The European Paediatric Regulation was introduced in 2007 to facilitate access to new medicines for children. Our study explored accessibility of early-phase trials in pediatric oncology, in line with the European Paediatric Regulation, to identify the reasons for not inviting patients to participate, parents' refusal, or inclusion failure. PROCEDURE: We conducted a retrospective chart review at Institut Curie, Paris, for all pediatric patients whose cancer progressed despite known effective treatments between July 2010 and December 2013...
January 15, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29334141/characterization-of-macromolecular-baseline-of-human-brain-using-metabolite-cycled-semi-laser-at-9-4t
#4
Ioannis-Angelos Giapitzakis, Nikolai Avdievich, Anke Henning
PURPOSE: Macromolecular resonances (MM) arise mainly from cytosolic proteins and overlap with metabolites, influencing metabolite quantification. Macromolecules can serve as valuable biomarkers for diseases and pathologies. The objectives of this study were to characterize MM at 9.4T in the human brain (occipital and left parietal lobe) and to describe the RF coil setup used for MM acquisition in the two regions. METHODS: An adiabatic inversion pulse was optimised for metabolite nulling at 9...
January 15, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29334131/a-bayesian-method-for-accelerated-magnetic-resonance-elastography-of-the-liver
#5
Christopher Ebersole, Rizwan Ahmad, Adam V Rich, Lee C Potter, Huiming Dong, Arunark Kolipaka
PURPOSE: Magnetic resonance elastography is a noninvasive tool for quantifying soft tissue stiffness. Magnetic resonance elastography has been adopted as a clinical method for staging liver fibrosis. However, the application of liver magnetic resonance elastography requires multiple lengthy breath-holds. We propose a new data acquisition and processing method to reduce magnetic resonance elastography scan time. METHODS: A Bayesian image reconstruction method that uses transform sparsity and magnitude consistency across different phase offsets to recover images from highly undersampled data is proposed...
January 15, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29333491/multifunctional-bioreactor-system-for-human-intestine-tissues
#6
Wenda Zhou, Ying Chen, Terrence Roh, Yinan Lin, Shengjie Ling, Siwei Zhao, James D Lin, Noor Khalil, Dana M Cairns, Eleana Manousiouthakis, Megan Tse, David L Kaplan
The three-dimensional (3D) cultivation of intestinal cells and tissues in dynamic bioreactor systems to represent in vivo intestinal microenvironments is essential for developing regenerative medicine treatments for intestinal diseases. We have previously developed in vitro human intestinal tissue systems using a 3D porous silk scaffold system with intestinal architectures and topographical features for the adhesion, growth, and differentiation of intestinal cells under static culture conditions. In this study, we designed and fabricated a multifunctional bioreactor system that incorporates pre-epithelialized 3D silk scaffolds in a dynamic culture environment for in vitro engineering of human intestine tissues...
January 8, 2018: ACS Biomaterials Science & Engineering
https://www.readbyqxmd.com/read/29333470/history-and-perspectives-of-nuclear-medicine-in-myanmar
#7
Win Mar
Nuclear Medicine was established in Myanmar in 1963 by Dr Soe Myint and International Atomic Energy expert Dr R. Hochel at Yangon General Hospital. Nuclear medicine diagnostic and therapeutic services started with Probe Scintillation Detector Systems and rectilinear scanner. In the early stage, many Nuclear Medicine specialists from the International Atomic Energy Agency (IAEA) spent some time in Myanmar and made significant contributions to the development of Nuclear Medicine in our country. The department participated in various IAEA technical cooperation projects and regional cooperation projects...
2018: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/29333146/cystatin-c-is-indispensable-for-evaluation-of-kidney-disease
#8
Anders Grubb
The present minireview of the place of cystatin C in clinical medicine emphasizes, and discuss the evidence, that cystatin C-based GFR-estimating equations do not require the use of vague terms like race and sex, that cystatin C-based GFR-esti mating equations are useful for both children and adults, including the elderly, that the best GFR-estimation requires simultaneous use of both cystatin C- and creatinine-based equations, that cystatin C-based GFR-estimating equations are superior to creatinine-based equations in predicting end-stage renal disease, cardiovascular manifestations, hospitalisation and death, and, finally that cystatin C is required to diagnose the new syndrome "Shrunken Pore Syndrome" with its high mortality and morbidity, even in the absence of reduced GFR...
December 2017: EJIFCC
https://www.readbyqxmd.com/read/29333039/pharmacognostic-assesment-of-the-endemic-and-vulnerable-medicinal-climber-cayratia-pedata-lam-gagnep-var-glabra-gamble-and-its-antibacterial-activity
#9
S Sharmila, K Kalaichelvi, S M Dhivya, P Premamalini, P Abirami, G Jayanthi
Objective: The objective of this study is to evaluate a meticulous pharmacognostic cram is to supplement constructive information with regard to its identification, characterization, and standardization of endemic and endangered medicinal climber Cayratia pedata var. glabra and also screening the antibacterial activity of this climber. Materials and Methods: The morphological characters of study plant, microscopic examination of leaf powder, anatomy of young stem, physicochemical analysis of plant powder, extractive values, phytochemical analysis, powder with different chemical reagents, fluorescence analysis of plant powder, and other World Health Organization (WHO) recommended for standardization were analyzed...
December 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/29332973/metabologenomics-of-phaeochromocytoma-and-paraganglioma-an-integrated-approach-for-personalised-biochemical-and-genetic-testing
#10
REVIEW
Graeme Eisenhofer, Barbara Klink, Susan Richter, Jacques Wm Lenders, Mercedes Robledo
The tremendous advances over the past two decades in both clinical genetics and biochemical testing of chromaffin cell tumours have led to new considerations about how these aspects of laboratory medicine can be integrated to improve diagnosis and management of affected patients. With germline mutations in 15 genes now identified to be responsible for over a third of all cases of phaeochromocytomas and paragangliomas, these tumours are recognised to have one of the richest hereditary backgrounds among all neoplasms...
April 2017: Clinical Biochemist. Reviews
https://www.readbyqxmd.com/read/29332820/a-strategy-for-screening-of-%C3%AE-glucosidase-inhibitors-from-morus-alba-root-bark-based-on-the-ligand-fishing-combined-with-high-performance-liquid-chromatography-mass-spectrometer-and-molecular-docking
#11
Zhen Wang, Xiaoqing Li, Menghan Chen, Feiyan Liu, Chao Han, Lingyi Kong, Jianguang Luo
A new method based on ligand fishing combined with high-performance liquid chromatography quadrupole-time-of-flight mass spectrometer and molecular docking was established to screen α-glucosidase inhibitors from a traditional Chinese medicine Morus alba root bark. α-Glucosidase was immobilized on magnetic nanoparticles, used as a solid support to incubate with crude extract. After ligand fishing, the eluates were analyzed by high-performance liquid chromatography quadrupole-time-of-flight mass spectrometer, obtaining eleven ligands (1-4, 6-12) eventually...
April 1, 2018: Talanta
https://www.readbyqxmd.com/read/29332602/nanoemulsion-strategy-for-ursolic-and-oleanic-acids-isolates-from-plumeria-obtusa-improves-antioxidant-and-cytotoxic-activity-in-melanoma-cells
#12
Helen L Alvarado, Ana C Calpena, Maria L Garduno-Ramirez, Raul Ortiz, Consolacion Melguizo, Jose M Prados, Beatriz Clares
BACKGROUND: Triterpenoids are an important class of natural bioactive products present in many medicinal plants. OBJECTIVE: The aim of present study is to investigate the antioxidant and anticarcinogenic potential of oleanolic acid (OA) and ursolic acid (UA) on B16 murine melanoma cell line isolated from Plumeria obtusa, free and loaded in a nanoemulsion (NEm) system. METHOD: The nanoemulsion was characterized by dynamic light scattering, transmission electron microscopy...
January 11, 2018: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/29332591/anti-trypanosoma-cruzi-activity-in-vitro-of-phases-and-isolated-compounds-from-excoecaria-lucida-leaves
#13
Cristiane Franca da Silva, Ania Ochoa Pacheco, Rayane Nogueira Alves, Josean Fechine Tavares, Marcelo Sobral da Silva, Julio Cesar Escalona Arranz
BACKGROUND: Chagas disease is caused by the protozoan parasite Trypanosoma cruzi. This illness is found mainly in 21 Latin American countries and an estimated 8 million people are infected worldwide. The unsatisfactory chemotherapy provokes severe toxicity and resistant strains. Medicinal plants constitute a promising source of new drugs and remedies against all kinds of disorders, mainly infectious diseases arousing interest worldwide. OBJECTIVE: The aim of this study has been the isolation, structural identification and evaluation of the trypanocidal activity of samples present in the Excoecaria lucida Sw...
January 11, 2018: Medicinal Chemistry
https://www.readbyqxmd.com/read/29332581/cetuximab-and-the-head-and-neck-squamous-cell-cancer
#14
Riccardo Concu, Maria Natalia Dias Soeiro Cordeiro
The head and neck squamous cell cancer (HNSCC) is the most common type of head and neck cancer (more than 90%), and all over the world more than a half million people have been developing this cancer in the last years. This type of cancer is usually marked by a poor prognosis with a really significant morbidity and mortality. Cetuximab received early favor as an exciting and promising new therapy with relatively mild side effect, and due to this received authorization in the 2004 from the European Medicines Agency (EMA) and in the 2006 from the Food and Drug Association (FDA) for the treatment of patients with squamous cell cancer of the head and neck in combination with radiation therapy for locally advanced disease...
January 12, 2018: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/29332500/microstructure-and-mechanical-properties-of-porous-titanium-structures-fabricated-by-electron-beam-melting-for-cranial-implants
#15
Khaja Moiduddin
The traditional methods of metallic bone implants are often dense and suffer from adverse reactions, biomechanical mismatch and lack of adequate space for new bone tissue to grow into the implant. The objective of this study is to evaluate the customized porous cranial implant with mechanical properties closer to that of bone and to improve the aesthetic outcome in cranial surgery with precision fitting for a better quality of life. Two custom cranial implants (bulk and porous) are digitally designed based on the Digital Imaging and Communications in Medicine files and fabricated using additive manufacturing...
January 1, 2018: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/29332196/bioelectronic-modulation-of-carotid-sinus-nerve-activity-in-the-rat-a-potential-therapeutic-approach-for-type-2-diabetes
#16
Joana F Sacramento, Daniel J Chew, Bernardete F Melo, Matteo Donegá, Wesley Dopson, Maria P Guarino, Alison Robinson, Jesus Prieto-Lloret, Sonal Patel, Bradley J Holinski, Nishan Ramnarain, Victor Pikov, Kristoffer Famm, Silvia V Conde
AIMS/HYPOTHESIS: A new class of treatments termed bioelectronic medicines are now emerging that aim to target individual nerve fibres or specific brain circuits in pathological conditions to repair lost function and reinstate a healthy balance. Carotid sinus nerve (CSN) denervation has been shown to improve glucose homeostasis in insulin-resistant and glucose-intolerant rats; however, these positive effects from surgery appear to diminish over time and are heavily caveated by the severe adverse effects associated with permanent loss of chemosensory function...
January 14, 2018: Diabetologia
https://www.readbyqxmd.com/read/29332026/medicinal-plant-materials-in-the-treatment-of-anxiety-disorders-neurobiological-aspects
#17
Miłosz Jan Gołyszny, Ewa Obuchowicz
Context • Pathological anxiety, which affects approximately one-third of the world population, is an inadequate, irrational reaction of an organism to the environment and to a potential threat. Despite advancements in pharmacotherapy for anxiety disorders, further studies are still necessary to search for new substances possessing the desired anxiolytic effects, with as few unwanted effects as possible. Objective • This study intended to examine the characteristics of medicinal plant materials that exhibit anxiolytic properties, with a special emphasis on the mechanisms of action of their active ingredients on the systems involved in the pathophysiology of anxiety...
January 15, 2018: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/29332025/prolegomena-to-a-true-integrative-medical-paradigm
#18
Babak Daneshfard, Mohammad Reza Sanaye, Majid Nimrouzi
When a paradigm starts to show signs of failure to cope with significant questions in any basic/applied branch of human knowledge, there come on the scene those who have perused the related literature enough to either answer those major questions according to the established paradigm or proffer a (wholly) new way of looking at things. In the latter case, the history of science tells us, a paradigm shift takes place. Modern medicine cannot be proven to be totally disconnected from its traditional roots. Where traditional medicine came to give its place to present-day conventional medicine, a number of humanistic aspects of healing, in addition to some axioms of old wisdom, were actually lost...
January 15, 2018: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/29331970/is-there-a-social-gradient-of-sarcopenia-a-meta-analysis-and-systematic-review-protocol
#19
Darci Green, Gustavo Duque, Nick Fredman, Aoun Rizvi, Sharon Lee Brennan-Olsen
INTRODUCTION: Sarcopenia (or loss of muscle mass and function) is a relatively new area within the field of musculoskeletal research and medicine. Investigating whether there is a social gradient, including occupation type and income level, of sarcopenia, as observed for other diseases, will contribute significantly to the limited evidence base for this disease. This new information may inform the prevention and management of sarcopenia and widen the evidence base to support existing and future health campaigns...
January 13, 2018: BMJ Open
https://www.readbyqxmd.com/read/29331950/construction-of-an-evaluation-index-system-for-determining-the-academic-impact-of-military-medical-scholars
#20
Xuan Li, J Y Hao
INTRODUCTION: Academic papers are an essential manner for describing new ideas and consolidating existing concepts in the field of military medicine. The academic impact of military medical publications reflects the extent and depth of recognition, acceptance and utilisation of the concepts transmitted in these publications. The aim of this research was to construct an evaluation index system suitable for evaluating the academic influence of scholars in the field of military medicine...
January 13, 2018: Journal of the Royal Army Medical Corps
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