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https://www.readbyqxmd.com/read/28237896/towards-toxicokinetic-modelling-of-aluminium-exposure-from-adjuvants-in-medicinal-products
#1
Karin Weisser, Sabine Stübler, Walter Matheis, Wilhelm Huisinga
As a potentially toxic agent on nervous system and bone, the safety of aluminium exposure from adjuvants in vaccines and subcutaneous immune therapy (SCIT) products has to be continuously re-evaluated, especially regarding concomitant administrations. For this purpose, knowledge on absorption and disposition of aluminium in plasma and tissues is essential. Pharmacokinetic data after vaccination in humans, however, are not available, and for methodological and ethical reasons difficult to obtain. To overcome these limitations, we discuss the possibility of an in vitro-in silico approach combining a toxicokinetic model for aluminium disposition with biorelevant kinetic absorption parameters from adjuvants...
February 22, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28237685/evaluation-of-a-new-handheld-point-of-care-blood-gas-analyser-using-100-equine-blood-samples
#2
David Bardell, Eleanor West, J Mark Senior
OBJECTIVES: To determine whether the Enterprise point-of-care blood analysis system (EPOC) produces results in agreement with two other blood gas analysers in regular clinical use (i-STAT and Radiometer ABL77) and to investigate the precision of the new machine when used with equine whole blood. STUDY DESIGN: Prospective, randomized, non-blinded, comparative laboratory analyser study. ANIMALS: Horses admitted to a university teaching hospital requiring arterial or venous blood gas analysis as part of their routine clinical management...
February 22, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28237473/phytochemical-and-ethnopharmacological-review-of-elephantorrhiza-goetzei-harms-harms
#3
REVIEW
Alfred Maroyi
Elephantorrhiza goetzei (E. goetzei) commonly known as Goetze's elephantorrhiza, is traditionally used as a decoction in the treatment of a variety of conditions such as pain, sores, sexually transmitted infections (STIs), gastro-intestinal disorders, microbial infections and genito-urinary system disorders. On the basis of its wide distribution in south central Africa, E. goetzei has a long history of applications among the different ethnic groups. A total of 23 ethnomedicinal uses of E. goetzei are documented in this study from 62...
February 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28236766/oxidative-stress-metabolomics-profiling-and-mechanism-of-local-anesthetic-induced-cell-death-in-yeast
#4
Cory H T Boone, Ryan A Grove, Dana Adamcova, Javier Seravalli, Jiri Adamec
The World Health Organization designates lidocaine as an essential medicine in healthcare, greatly increasing the probability of human exposure. Its use has been associated with ROS generation and neurotoxicity. Physiological and metabolomic alterations, and genetics leading to the clinically observed adverse effects have not been temporally characterized. To study alterations that may lead to these undesirable effects, Saccharomyces cerevisiae grown on aerobic carbon sources to stationary phase was assessed over 6h...
February 3, 2017: Redox Biology
https://www.readbyqxmd.com/read/28236651/intravenous-fluid-rate-for-reduction-of-cesarean-delivery-rate-in-nulliparous-women-a-systematic-review-and-meta-analysis
#5
Robert M Ehsanipoor, Gabriele Saccone, Neil S Seligman, Rebecca Pierce-Williams, Andrea Ciardulli, Vincenzo Berghella
The National Institute of Child Health and Human Development, American College of Obstetricians and Gynecologists, and Society for Maternal-Fetal Medicine have emphasized the need to promote vaginal delivery and have offered recommendations to safely prevent primary cesarean delivery. However, there has been limited discussion regarding management of intravenous fluids and other aspects of labor management that may influence labor. Therefore the aim of our study was to determine if an intravenous fluid rate of 250 vs 125 mL/hour is associated with a difference in cesarean delivery rate MATERIAL AND METHODS: Searches were performed in Medline, OVID, Scopus, ClinicalTrials...
February 25, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28236621/proapoptotic-and-growth-inhibitory-effects-of-plumbagin-on-human-gastric-cancer-cells-via-suppression-of-signal-transducer-and-activator-of-transcription-3-and-protein-kinase-b
#6
Jing Li, Jia Li, Guowei Cai, Lin Shen, Furong Lu
Context • Gastric cancer (GC) is the fourth most common cancer and the second leading cause of cancer-related deaths in the world. The current treatments include surgery and chemotherapy, either alone or in combination with radiotherapy, but the prognosis for patients with GC is usually poor. A safe and effective chemopreventive treatment for this malignant disease is urgently needed. Objective • The study intended to investigate the effects and underlying mechanisms of plumbagin, a quinonoid constituent that is derived from the roots of the medicinal plant Plumbago zeylanica, which exhibits potent anticancer properties against a number of cancers...
February 27, 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28236614/treatment-of-athlete-s-plantar-warts-using-a-botanical-blend-a-case-report
#7
Erik O Nelson, Adam F Kozin, Guillermo Ruiz, Arben Lasku, Jeffrey O Langland
Context • Viral plantar warts, or verruca plantaris, are a benign epithelial tumor caused by various strains of the human papilloma virus (HPV). Current treatments have had mixed degrees of success, are moderately invasive, and are often incompatible with participation in sports. Objective • The study intended to examine the benefits of treating plantar warts with a topical, botanical blend that has had clinical success treating herpes simplex virus cold sores. Methods • A synergistic botanical blend was applied topically...
February 27, 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28236590/potent-covalent-inhibitors-of-bacterial-urease-identified-by-activity-reactivity-profiling
#8
Katarzyna Macegoniuk, Rafał Kowalczyk, Anna Rudzińska, Mateusz Psurski, Joanna Wietrzyk, Łukasz Berlicki
Covalent enzyme inhibitors constitute a highly important group of biologically active compounds, with numerous drugs available on the market. Although the discovery of inhibitors of urease, a urea hydrolyzing enzyme crucial for the survival of some human pathogens, is a field of medicinal chemistry that has grown in recent years, covalent urease inhibitors have been rarely investigated until now. Forty Michael acceptor-type compounds were screened for their inhibitory activities against bacterial urease, and several structures exhibited high potency in the nanomolar range...
February 12, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28236560/the-dynamics-of-contract-plasma-fractionation
#9
REVIEW
Albert Farrugia, Daniela Scaramuccia
Plasma Derived Medicinal Products (PMDPs) are an essential component of the modern therapeutic armamentarium. They are differentiated from most other medicines in several ways, particularly the unique nature of the raw material used for their manufacture. Human plasma has been fractionated to PDMPs for the past 75 years, and the economics of manufacturing requires currently that as many products are harvested from each litre as is feasible and reflective of clinical needs. PDMPs may be purchased on the open market from the various commercial and not-for-profit (NFP) manufacturers...
February 21, 2017: Biologicals: Journal of the International Association of Biological Standardization
https://www.readbyqxmd.com/read/28236079/the-2017-abjs-nicolas-andry-award-advancing-personalized-medicine-for-clubfoot-through-translational-research
#10
Matthew B Dobbs, Christina A Gurnett
BACKGROUND: Clubfoot is one of the most common pediatric orthopaedic disorders. While the Ponseti method has revolutionized clubfoot treatment, it is not effective for all patients. When the Ponseti method does not correct the foot, patients are at risk for lifelong disability and may require more-extensive surgery. QUESTIONS/PURPOSES: (1) What genetic and morphologic abnormalities contribute to the development of clubfoot? (2) How can this information be used to devise personalized treatment paradigms for patients with clubfoot? METHODS: Human gene sequencing, molecular genetic engineering of mouse models of clubfoot, MRI of clubfoot, and development of new treatment methods all have been used by our group to understand the biological basis and improve therapy for this group of disorders...
February 24, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28235986/-fecal-microbiota-transplantation
#11
C Lübbert, B Salzberger, J Mössner
The human intestinal microbiome has important metabolic and immunological functions for the host and is part of the defense against pathogens in the gastrointestinal tract. Antibiotics, probiotics, dietary measures, such as prebiotics, and the relatively newly established method of fecal microbiota transplantation (FMT, also known as fecal microbiome transfer) all influence the intestinal microbiome. The FMT procedure comprises the transmission of fecal microorganisms from a healthy donor into the gastrointestinal tract of a patient...
February 24, 2017: Der Internist
https://www.readbyqxmd.com/read/28231542/in-vitro-biocompatibility-and-proliferative-effects-of-polar-and-non-polar-extracts-of-cucurbita-ficifolia-on-human-mesenchymal-stem-cells
#12
Balakrishnan Aristatile, Ghedeir M Alshammari
Cucurbita ficifolia (C. ficifolia) has been traditionally known for its medicinal properties as an antioxidant, anti-diabetic and anti-inflammatory agent. However, there has been an enduring attention towards the identification of unique method, to isolate the natural components for therapeutic applications. Our study focuses on different polar and non-polar solvents (methanol, hexane and chloroform) to extract the bioactive components from C. ficifolia (pumpkin) and to study the biocompatibility and cytotoxicity effects on human bone marrow-mesenchymal stem cells (hBM-MSCs)...
February 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28231460/delivering-the-sense-of-touch-to-the-human-brain
#13
Radu Darie, Marc Powell, David Borton
Intracortical somatosensory interfaces have now entered the clinical domain. Darie et al. explore the implications of research published in Science Translational Medicine by Flesher et al. (2016), discuss how to design such a system given current technology, and question how to effectively communicate with users about their experience.
February 22, 2017: Neuron
https://www.readbyqxmd.com/read/28231291/osteosarcoma-cell-proliferation-and-survival-requires-mglur5-receptor-activity-and-is-blocked-by-riluzole
#14
Sally Liao, Yuleisy Ruiz, Hira Gulzar, Zarina Yelskaya, Lyes Ait Taouit, Murielle Houssou, Trisha Jaikaran, Yuriy Schvarts, Kristina Kozlitina, Upal Basu-Roy, Alka Mansukhani, Shahana S Mahajan
Osteosarcomas are malignant tumors of bone, most commonly seen in children and adolescents. Despite advances in modern medicine, the poor survival rate of metastatic osteosarcoma has not improved in two decades. In the present study we have investigated the effect of Riluzole on a human and mouse metastatic osteosarcoma cells. We show that LM7 cells secrete glutamate in the media and that mGluR5 receptors are required for the proliferation of LM7 cells. Riluzole, which is known to inhibit glutamate release, inhibits proliferation, induces apoptosis and prevents migration of LM7 cells...
2017: PloS One
https://www.readbyqxmd.com/read/28231262/oleanolic-acid-induces-migration-in-mv1lu-and-mda-mb-231-epithelial-cells-involving-egf-receptor-and-map-kinases-activation
#15
Ángel Bernabé-García, David Armero-Barranco, Sergio Liarte, María Ruzafa-Martínez, Antonio Jesús Ramos-Morcillo, Francisco José Nicolás
During wound healing, skin function is restored by the action of several cell types that undergo differentiation, migration, proliferation and/or apoptosis. These dynamics are tightly regulated by the evolution of the extra cellular matrix (ECM) contents along the process. Pharmacologically active flavonoids have shown to exhibit useful physiological properties interesting in pathological states. Among them, oleanolic acid (OA), a pentacyclic triterpene, shows promising properties over wound healing, as increased cell migration in vitro and improved wound resolution in vivo...
2017: PloS One
https://www.readbyqxmd.com/read/28231175/mushroom-polysaccharides-chemistry-and-antiobesity-antidiabetes-anticancer-and-antibiotic-properties-in-cells-rodents-and-humans
#16
REVIEW
Mendel Friedman
More than 2000 species of edible and/or medicinal mushrooms have been identified to date, many of which are widely consumed, stimulating much research on their health-promoting properties. These properties are associated with bioactive compounds produced by the mushrooms, including polysaccharides. Although β-glucans (homopolysaccharides) are believed to be the major bioactive polysaccharides of mushrooms, other types of mushroom polysaccharides (heteropolysaccharides) also possess biological properties. Here we survey the chemistry of such health-promoting polysaccharides and their reported antiobesity and antidiabetic properties as well as selected anticarcinogenic, antimicrobial, and antiviral effects that demonstrate their multiple health-promoting potential...
November 29, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231060/improving-quality-in-the-preanalytical-phase-through-innovation-on-behalf-of-the-european-federation-for-clinical-chemistry-and-laboratory-medicine-eflm-working-group-for-preanalytical-phase-wg-pre
#17
Giuseppe Lippi, Geoffrey S Baird, Giuseppe Banfi, Karin Bölenius, Janne Cadamuro, Stephen Church, Michael P Cornes, Anna Dacey, Antoine Guillon, Georg Hoffmann, Mads Nybo, Lakdasa Devananda Premawardhana, María Salinas, Sverre Sandberg, Robbert Slingerland, Ana Stankovic, Sylte Marit Sverresdotter, Pieter Vermeersch, Ana-Maria Simundic
It is now undeniable that laboratory testing is vital for the diagnosis, prognostication and therapeutic monitoring of human disease. Despite the many advances made for achieving a high degree of quality and safety in the analytical part of diagnostic testing, many hurdles in the total testing process remain, especially in the preanalytical phase ranging from test ordering to obtaining and managing the biological specimens. The Working Group for the Preanalytical Phase (WG-PRE) of the European Federation of Clinical Chemistry and Laboratory Medicine (EFLM) has planned many activities aimed at mitigating the vulnerability of the preanalytical phase, including the organization of three European meetings in the past 7 years...
February 23, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28230931/spatially-assembled-bilayer-cell-sheets-of-stem-cells-and-endothelial-cells-using-thermosensitive-hydrogels-for-therapeutic-angiogenesis
#18
Indong Jun, Taufiq Ahmad, Seongwoo Bak, Joong-Yup Lee, Eun Mi Kim, Jinkyu Lee, Yu Bin Lee, Hongsoo Jeong, Hojeong Jeon, Heungsoo Shin
Although the coculture of multiple cell types has been widely employed in regenerative medicine, in vivo transplantation of cocultured cells while maintaining the hierarchical structure remains challenging. Here, a spatially assembled bilayer cell sheet of human mesenchymal stem cells and human umbilical vein endothelial cells on a thermally expandable hydrogel containing fibronectin is prepared and its effect on in vitro proangiogenic functions and in vivo ischemic injury is investigated. The expansion of hydrogels in response to a temperature change from 37 to 4 °C allows rapid harvest and delivery of the bilayer cell sheet to two different targets (an in vitro model glass surface and in vivo tissue)...
February 23, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28230828/chromosomal-mutagenesis-in-human-somatic-cells-30-year-cytogenetic-monitoring-after-chornobyl-accident
#19
M A Pilinska, G M Shemetun, O V Shemetun, S S Dybsky, O B Dybska, O O Talan, L R Pedan, D А Kurinnyi
In the lecture we have generalized and analyzed the data of cytogenetic laboratory of National Research Center for Radiation Medicine of the National Academy of Medical Sciences of Ukraine on 30-year selective cytogenetic monitoring among the priority contingents of different ages exposed to radiation after Chornobyl accident in Ukraine. It is highlighted that not only targeted but also untargeted radiation-induced cytogenetic effects should be explored, especially in delayed terms following radiation exposure...
December 2016: Experimental Oncology
https://www.readbyqxmd.com/read/28230598/analysis-of-the-adherence-of-dental-pulp-stem-cells-on-two-dimensional-and-three-dimensional-silk-fibroin-based-biomaterials-applications-in-regenerative-dentistry
#20
María Pilar Pecci-Lloret, Mar Vera-Sánchez, Salvador Aznar-Cervantes, David García-Bernal, Ricardo Oñate Sánchez, Miguel Ramón Pecci-Lloret, José María Moraleda, José Luis Cenis, Francisco Javier Rodríguez-Lozano
Among various biomaterials used as scaffolds in tissue engineering, silk fibroin is a highly attractive material. A scaffold should be biocompatible and nontoxic, with optimal physical features and mechanical properties. For this reason, tissue-engineering approaches in regenerative medicine have focused on investigating the biocompatibility of possible biomaterials by analyzing cell-scaffold interaction properties. The aim of the present study was to examine the biocompatibility of silk fibroin as a film (two-dimensional [2D]) and a scaffold (three-dimensional [3D]) after being cellularized with human dental pulp stem cells (hDPSCs)...
February 22, 2017: Journal of Craniofacial Surgery
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