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Transport medicine

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https://www.readbyqxmd.com/read/28214180/a-successful-experience-of-the-iranian-blood-transfusion-organization-in-improving-accessibility-and-affordability-of-plasma-derived-medicine
#1
REVIEW
Azita Chegini, Seyed Ardeshir Torab, Ali Akbar Pourfatollah
Plasma is the liquid part of blood. It is estimated 21.6 million liters of plasma collect from Whole blood annually. From these plasma, 4.2 million liters transfuse, 8.1 million liters fractionate, 9.3 million liters waste. Nowadays, blood products and PDM (plasma derived medicine) consider as essential medicine in modern health care and transfusion medicine. Iranian blood transfusion organization as a non-profit organization was established in 1974 in order to centralize all blood transfusion activities from donor recruitment to distribution of blood components to hospitals...
January 4, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28207828/the-wide-spectrum-high-biocidal-potency-of-bioxy-formulation-when-dissolved-in-water-at-different-concentrations
#2
Dori Dagher, Ken Ungar, Richard Robison, Fadi Dagher
Traditional surface disinfectants that have long been applied in medicine, animal husbandry, manufacturing and institutions are inconvenient at best and dangerous at worst. Moreover, some of these substances have adverse environmental impacts: for example, quaternary ammonium compounds ("quats") are reproductive toxicants in both fish and mammals. Halogens are corrosive both to metals and living tissues, are highly reactive, can be readily neutralized by metals, and react with organic matter to form toxic, persistent by-products such as dioxins and furans...
2017: PloS One
https://www.readbyqxmd.com/read/28205415/microfluidic-screening-reveals-heparan-sulfate-enhances-human-mesenchymal-stem-cell-growth-by-modulating-fibroblast-growth-factor-2-transport
#3
Drew M Titmarsh, Clarissa L L Tan, Nick R Glass, Victor Nurcombe, Justin J Cooper-White, Simon M Cool
Cost-effective expansion of human mesenchymal stem/stromal cells (hMSCs) remains a key challenge for their widespread clinical deployment. Fibroblast growth factor-2 (FGF-2) is a key hMSC mitogen often supplemented to increase hMSC growth rates. However, hMSCs also produce endogenous FGF-2, which critically interacts with cell surface heparan sulfate (HS). We assessed the interplay of FGF-2 with a heparan sulfate variant (HS8) engineered to bind FGF-2 and potentiate its activity. Bone marrow-derived hMSCs were screened in perfused microbioreactor arrays (MBAs), showing that HS8 (50 μg/ml) increased hMSC proliferation and cell number after 3 days, with an effect equivalent to FGF-2 (50 ng/ml)...
February 16, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28198106/in-vitro-microfluidic-models-of-tumor-microenvironment-to-screen-transport-of-drugs-and-nanoparticles
#4
REVIEW
Altug Ozcelikkale, Hye-Ran Moon, Michael Linnes, Bumsoo Han
Advances in nanotechnology have enabled numerous types of nanoparticles (NPs) to improve drug delivery to tumors. While many NP systems have been proposed, their clinical translation has been less than anticipated primarily due to failure of current preclinical evaluation techniques to adequately model the complex interactions between the NP and physiological barriers of tumor microenvironment. This review focuses on microfluidic tumor models for characterization of delivery efficacy and toxicity of cancer nanomedicine...
February 14, 2017: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/28193439/simulation-in-neonatal-transport-medicine
#5
REVIEW
Douglas M Campbell, Rita Dadiz
The safe transport of infants in critical condition requires highly reliable inter-professional transport teams that are equipped with the expertise to provide neonatal care in unfamiliar and resource-limited environments. Increasingly, transport teams are comprised of health professionals from various disciplines. Providing didactic and experiential learning alone is insufficient to fully prepare teams that have limited exposure to rare events. Simulation-based training supplements and reinforces knowledge, skills, and the experiences of team members...
November 2016: Seminars in Perinatology
https://www.readbyqxmd.com/read/28191772/human-induced-pluripotent-cell-derived-sensory-neurons-for-fate-commitment-of-bone-marrow-derived-schwann-cells-implications-for-remyelination-therapy
#6
Sa Cai, Lei Han, Qiang Ao, Ying-Shing Chan, Daisy Kwok-Yan Shum
Strategies that exploit induced pluripotent stem cells (iPSCs) to derive neurons have relied on cocktails of cytokines and growth factors to bias cell-signaling events in the course of fate choice. These are often costly and inefficient, involving multiple steps. In this study, we took an alternative approach and selected 5 small-molecule inhibitors of key signaling pathways in an 8-day program to induce differentiation of human iPSCs into sensory neurons, reaching ≥80% yield in terms of marker proteins. Continuing culture in maintenance medium resulted in neuronal networks immunopositive for synaptic vesicle markers and vesicular glutamate transporters suggestive of excitatory neurotransmission...
February 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28188449/xylitol-production-by-genetically-modified-industrial-strain-of-saccharomyces-cerevisiae-using-glycerol-as-co-substrate
#7
Anushree B Kogje, Anand Ghosalkar
Xylitol is commercially used in chewing gum and dental care products as a low calorie sweetener having medicinal properties. Industrial yeast strain of S. cerevisiae was genetically modified to overexpress an endogenous aldose reductase gene GRE3 and a xylose transporter gene SUT1 for the production of xylitol. The recombinant strain (XP-RTK) carried the expression cassettes of both the genes and the G418 resistance marker cassette KanMX integrated into the genome of S. cerevisiae. Short segments from the 5' and 3' delta regions of the Ty1 retrotransposons were used as homology regions for integration of the cassettes...
February 10, 2017: Journal of Industrial Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28186866/toward-postgenomics-ophthalmology-a-proteomic-map-of-the-human-choroid-retinal-pigment-epithelium-tissue
#8
Manjunath Dammalli, Krishna R Murthy, Sneha M Pinto, Kalpana Babu Murthy, Raja Sekhar Nirujogi, Anil K Madugundu, Gourav Dey, Bipin Nair, Harsha Gowda, Thottethodi Subrahmanya Keshava Prasad
Ophthalmology and visual health research have received relatively limited attention from the personalized medicine community, but this trend is rapidly changing. Postgenomics technologies such as proteomics are being utilized to establish a baseline biological variation map of the human eye and related tissues. In this context, the choroid is the vascular layer situated between the outer sclera and the inner retina. The choroidal circulation serves the photoreceptors and retinal pigment epithelium (RPE). The RPE is a layer of cuboidal epithelial cells adjacent to the neurosensory retina and maintains the outer limit of the blood-retina barrier...
February 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28183507/intracoronary-imaging-reverse-cholesterol-transport-and-transcriptomics-precision-medicine-in-cad
#9
EDITORIAL
Adnan K Chhatriwalla, Daniel J Rader
No abstract text is available yet for this article.
February 14, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28182699/bifunctional-effects-of-o-methylated-flavones-from-scutellaria-baicalensis-georgi-on-melanocytes-inhibition-of-melanin-production-and-intracellular-melanosome-transport
#10
Michiko Kudo, Kumiko Kobayashi-Nakamura, Kentaro Tsuji-Naito
The growing interest in skin lightening has recently renewed attention on the esthetic applications of Chinese herbal medicine. Although Scutellaria baicalensis Georgi is used for antipyretic and antiinflammatory purposes, its whitening effect remains unclear. This study reports three major findings: (1) S. baicalensis has a potent inhibitory effect on melanogenesis; (2) wogonin and its glycoside are the active components of S. baicalensis; and (3) O-methylated flavones from S. baicalensis, such as wogonin, inhibit intracellular melanosome transport...
2017: PloS One
https://www.readbyqxmd.com/read/28181720/organic-bioelectronics-in-medicine
#11
S Löffler, K Melican, K P R Nilsson, A Richter-Dahlfors
A major challenge in the growing field of bioelectronic medicine is the development of tissue interface technologies promoting device integration with biological tissues. Materials based on organic bioelectronics show great promise due to a unique combination of electronic and ionic conductivity properties. In this review, we outline exciting developments in the field of organic bioelectronics and demonstrate the medical importance of these active, electronically controllable materials. Importantly, organic bioelectronics offer a means to control cell-surface attachment as required for many device-tissue applications...
February 9, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28181144/novel-bone-metabolism-associated-hormones-the-importance-of-the-pre-analytical-phase-for-understanding-their-physiological-roles
#12
REVIEW
Giovanni Lombardi, Mosè Barbaro, Massimo Locatelli, Giuseppe Banfi
The endocrine function of bone is now a recognized feature of this tissue. Bone-derived hormones that modulate whole-body homeostasis, are being discovered as for the effects on bone of novel and classic hormones produced by other tissues become known. Often, however, the data regarding these last generation bone-derived or bone-targeting hormones do not give about a clear picture of their physiological roles or concentration ranges. A certain degree of uncertainty could stem from differences in the pre-analytical management of biological samples...
February 8, 2017: Endocrine
https://www.readbyqxmd.com/read/28178358/substrate-analogous-inhibitors-exert-antimalarial-action-by-targeting-the-plasmodium-lactate-transporter-pffnt-at-nanomolar-scale
#13
André Golldack, Björn Henke, Bärbel Bergmann, Marie Wiechert, Holger Erler, Alexandra Blancke Soares, Tobias Spielmann, Eric Beitz
Resistance against all available antimalarial drugs calls for novel compounds that hit unexploited targets in the parasite. Here, we show that the recently discovered Plasmodium falciparum lactate/proton symporter, PfFNT, is a valid druggable target, and describe a new class of fluoroalkyl vinylogous acids that potently block PfFNT and kill cultured parasites. The original compound, MMV007839, is derived from the malaria box collection of potent antimalarials with unknown targets and contains a unique internal prodrug principle that reversibly switches between a lipophilic transport form and a polar, substrate-analogous active form...
February 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28176326/identification-of-novel-inhibitors-of-the-amino-acid-transporter-b-0-at1-slc6a19-a-potential-target-to-induce-protein-restriction-and-to-treat-type-2-diabetes
#14
Qi Cheng, Nishank Shah, Angelika Bröer, Stephen Fairweather, Yang Jiang, Dieter Schmoll, Ben Corry, Stefan Bröer
BACKGROUND AND PURPOSE: The neutral amino acid transporter B(0) AT1 (SLC6A19) has recently been identified as a possible target to treat type 2 diabetes and related disorders. B(0) AT1 mediates the Na(+) -dependent uptake of all neutral amino acids. For surface expression and catalytic activity, B(0) AT1 requires coexpression of collectrin (TMEM27). In this study, we established tools to identify and evaluate novel inhibitors of B(0) AT1. EXPERIMENTAL APPROACH: A CHO-based cell line was generated, stably expressing collectrin and B(0) AT1...
February 8, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28175954/multiple-resistance-to-carcinogens-and-xenobiotics-p-glycoproteins-as-universal-detoxifiers
#15
REVIEW
Thomas Efferth, Manfred Volm
The detoxification of toxic substances is of general relevance in all biological systems. The plethora of exogenous xenobiotic compounds and endogenous toxic metabolic products explains the evolutionary pressure of all organisms to develop molecular mechanisms to detoxify and excrete harmful substances from the body. P-glycoprotein and other members of the ATP-binding cassette (ABC) transporter family extrude innumerous chemical compounds out of cells. Their specific expression in diverse biological contexts cause different phenotypes: (1) multidrug resistance (MDR) and thus failure of cancer chemotherapy, (2) avoidance of accumulation of carcinogens and prevention of carcinogenesis in healthy tissues, (3) absorption, distribution, metabolization and excretion (ADME) of pharmacological drugs in human patients, (4) protection from environmental toxins in aquatic organisms (multi-xenobiotic resistance, MXR)...
February 7, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28166779/assessing-the-impoverishing-effects-and-factors-associated-with-the-incidence-of-catastrophic-health-care-payments-in-kenya
#16
Edwine W Barasa, Thomas Maina, Nirmala Ravishankar
BACKGROUND: Monitoring the incidence and intensity of catastrophic health expenditure, as well as the impoverishing effects of out of pocket costs to access healthcare, is a key part of benchmarking Kenya's progress towards reducing the financial burden that households experience when accessing healthcare. METHODS: The study relies on data from the nationally-representative Kenya Household Expenditure and Utilization Survey conducted in 2013 (n =33,675). We undertook health equity analysis to estimate the incidence and intensity of catastrophic expenditure...
February 6, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28162117/setting-foundations-for-developing-disaster-response-metrics
#17
Mahshid Abir, Sue Anne Bell, Neha Puppala, Osama Awad, Melinda Moore
There are few reported efforts to define universal disaster response performance measures. Careful examination of responses to past disasters can inform the development of such measures. As a first step toward this goal, we conducted a literature review to identify key factors in responses to 3 recent events with significant loss of human life and economic impact: the 2003 Bam, Iran, earthquake; the 2004 Indian Ocean tsunami; and the 2010 Haiti earthquake. Using the PubMed (National Library of Medicine, Bethesda, MD) database, we identified 710 articles and retained 124 after applying inclusion and exclusion criteria...
February 6, 2017: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/28162022/proteomic-analysis-of-red-blood-cells-and-the-potential-for-the-clinic-what-have-we-learned-so-far
#18
Angelo D'Alessandro, Lello Zolla
Red blood cells (RBC) are the most abundant host cells in the human body. Mature erythrocytes are devoid of nuclei and organelles and have always been regarded as circulating "bags of hemoglobin". The advent of proteomics has challenged this assumption, revealing unanticipated complexity and novel roles for RBCs not just in gas transport, but also in systemic metabolic homeostasis in health and disease. Areas covered: In this review we will summarize the main advancements in the field of discovery mode and redox/quantitative proteomics with respect to RBC biology...
February 4, 2017: Expert Review of Proteomics
https://www.readbyqxmd.com/read/28159880/en-route-to-precision-medicine-through-the-integration-of-biological-sex-into-pharmacogenomics
#19
REVIEW
Lea Gaignebet, Georgios Kararigas
Frequently, pharmacomechanisms are not fully elucidated. Therefore, drug use is linked to an elevated interindividual diversity of effects, whether therapeutic or adverse, and the role of biological sex has as yet unrecognized and underestimated consequences. A pharmacogenomic approach could contribute towards the development of an adapted therapy for each male and female patient, considering also other fundamental features, such as age and ethnicity. This would represent a crucial step towards precision medicine and could be translated into clinical routine...
February 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28154180/berberine-induced-inactivation-of-signal-transducer-and-activator-of-transcription-5-signaling-promotes-male-specific-expression-of-a-bile-acid-uptake-transporter
#20
Pengli Bu, Yuan Le, Yue Zhang, Youcai Zhang, Xingguo Cheng
Sodium-taurocholate co-transporting polypeptide (Ntcp/NTCP) is the major uptake transporter of bile salts in mouse and human livers. In certain diseases, including endotoxemia, cholestasis, diabetes, and hepatocarcinoma, Ntcp/NTCP expression is markedly reduced, which interferes with enterohepatic circulation of bile salts, impairing the absorption of lipophilic compounds. Therefore, normal Ntcp/NTCP expression in the liver is physiologically important. Berberine is an herbal medicine used historically to improve liver function and has recently been shown to repress signal transducer and activator of transcription (Stat) signaling...
February 1, 2017: Journal of Biological Chemistry
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