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https://www.readbyqxmd.com/read/28206829/validity-of-low-contrast-letter-acuity-as-a-visual-performance-outcome-measure-for-multiple-sclerosis
#1
Laura J Balcer, Jenelle Raynowska, Rachel Nolan, Steven L Galetta, Raju Kapoor, Ralph Benedict, Glenn Phillips, Nicholas LaRocca, Lynn Hudson, Richard Rudick
Low-contrast letter acuity (LCLA) has emerged as the leading outcome measure to assess visual disability in multiple sclerosis (MS) research. As visual dysfunction is one of the most common manifestations of MS, sensitive visual outcome measures are important in examining the effect of treatment. Low-contrast acuity captures visual loss not seen in high-contrast visual acuity (HCVA) measurements. These issues are addressed by the MS Outcome Assessments Consortium (MSOAC), including representatives from advocacy organizations, Food and Drug Administration (FDA), European Medicines Agency (EMA), National Institute of Neurological Disorders and Stroke (NINDS), academic institutions, and industry partners along with persons living with MS...
February 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28193191/effective-inhibition-of-mers-cov-infection-by-resveratrol
#2
Shih-Chao Lin, Chi-Tang Ho, Wen-Ho Chuo, Shiming Li, Tony T Wang, Chi-Chen Lin
BACKGROUND: Middle East Respiratory Syndrome coronavirus (MERS-CoV) is an emerging viral pathogen that causes severe morbidity and mortality. Up to date, there is no approved or licensed vaccine or antiviral medicines can be used to treat MERS-CoV-infected patients. Here, we analyzed the antiviral activities of resveratrol, a natural compound found in grape seeds and skin and in red wine, against MERS-CoV infection. METHODS: We performed MTT and neutral red uptake assays to assess the survival rates of MERS-infected Vero E6 cells...
February 13, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28192937/amplification-and-quantification-of-an-antisense-oligonucleotide-from-target-microrna-using-programmable-dna-and-a-biological-nanopore
#3
Moe Hiratani, Masayuki Ohara, Ryuji Kawano
This paper describes a strategy for autonomous diagnoses of cancers using microRNA (miRNA) and therapy for tumor cells by DNA computing techniques and nanopore measurement. Theranostics, which involves the combination of diagnosis and therapy, has emerged as an approach for personalized medicine or point-of-care cancer diagnostics. DNA computing will become a potent tool for theranostics because it functions completely autonomously without the need for external regulations. However, conventional theranostics using DNA computing involves a one-to-one reaction in which a single input molecule generates a single output molecule; the concentration of the antisense drug is insufficient for the therapy in this type of reaction...
February 9, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28185142/print-me-an-organ-ethical-and-regulatory-issues-emerging-from-3d-bioprinting-in-medicine
#4
Frederic Gilbert, Cathal D O'Connell, Tajanka Mladenovska, Susan Dodds
Recent developments of three-dimensional printing of biomaterials (3D bioprinting) in medicine have been portrayed as demonstrating the potential to transform some medical treatments, including providing new responses to organ damage or organ failure. However, beyond the hype and before 3D bioprinted organs are ready to be transplanted into humans, several important ethical concerns and regulatory questions need to be addressed. This article starts by raising general ethical concerns associated with the use of bioprinting in medicine, then it focuses on more particular ethical issues related to experimental testing on humans, and the lack of current international regulatory directives to guide these experiments...
February 9, 2017: Science and Engineering Ethics
https://www.readbyqxmd.com/read/28170173/the-3rs-of-cell-therapy
#5
Arnold I Caplan, Chris Mason, Brock Reeve
The 3Rs for a good education are "reading, 'riting, and 'rithmetic." The basis for good health care solutions for the emergent field of cell therapy in the future will also involve 3Rs: regulation, reimbursement, and realization of value. The business models in this new field of cell therapy will involve these 3Rs. This article brings forth realities facing this new industry for its approaches to provide curative health care solutions. Stem Cells Translational Medicine 2017;6:17-21.
January 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28159720/biphasic-calcium-phosphate-ceramics-for-bone-reconstruction-a-review-of-biological-response
#6
REVIEW
J M Bouler, P Pilet, O Gauthier, E Verron
: Autologous bone graft is considered as the gold standard in bone reconstructive surgery. However, the quantity of bone available is limited and the harvesting procedure requires a second surgical site resulting in severe complications. Due to these limits, scientists and clinicians have considered alternatives to autologous bone graft. Calcium phosphates (CaPs) biomaterials including biphasic calcium phoshate (BCP) ceramics have proven efficacy in numerous clinical indications. Their specific physico-chemical properties (HA/TCP ratio, dual porosity and subsequent interconnected architecture) control (regulate/condition) the progressive resorption and the bone substitution process...
January 31, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28134023/effects-of-ionizing-radiation-on-dna-methylation-from-experimental-biology-to-clinical-applications
#7
Isabelle R Miousse, Kristy R Kutanzi, Igor Koturbash
PURPOSE: Ionizing radiation (IR) is a ubiquitous environmental stressor with genotoxic and epigenotoxic capabilities. Terrestrial IR, predominantly a low-linear energy transfer (LET) radiation, is being widely utilized in medicine, as well as in multiple industrial applications. Additionally, an interest in understanding the effects of high-LET irradiation is emerging due to the potential of exposure during space missions and the growing utilization of LET radiation in medicine. CONCLUSIONS: In this review, we summarize the current knowledge of the effects of IR on DNA methylation, a key epigenetic mechanism regulating the expression of genetic information...
January 30, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28128377/recent-developments-in-reversible-photoregulation-of-oligonucleotide-structure-and-function
#8
REVIEW
Anouk S Lubbe, Wiktor Szymanski, Ben L Feringa
There is a growing interest in the photoregulation of biological functions, due to the high level of spatiotemporal precision achievable with light. Additionally, light is non-invasive and waste-free. In particular, the photoregulation of oligonucleotide structure and function is a rapidly developing study field with relevance to biological, physical and material sciences. Molecular photoswitches have been incorporated in oligonucleotides for 20 years, and the field has currently grown beyond fundamental studies on photochemistry of the switches and DNA duplex stability, and is moving towards applications in chemical biology, nanotechnology and material science...
January 27, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28127591/tasty-thc-promises-and-challenges-of-cannabis-edibles
#9
Daniel G Barrus, Kristen L Capogrossi, Sheryl C Cates, Camille K Gourdet, Nicholas C Peiper, Scott P Novak, Timothy W Lefever, Jenny L Wiley
Food products containing cannabis extract (edibles) have emerged as a popular and lucrative facet of the legalized market for both recreational and medicinal cannabis. The many formulations of cannabis extracts used in edibles present a unique regulatory challenge for policy makers. Though edibles are often considered a safe, discreet, and effective means of attaining the therapeutic and/or intoxicating effects of cannabis without exposure to the potentially harmful risks of cannabis smoking, little research has evaluated how ingestion differs from other methods of cannabis administration in terms of therapeutic efficacy, subjective effects, and safety...
November 2016: Methods Report
https://www.readbyqxmd.com/read/28122293/chicoric-acid-suppresses-baff-expression-in-b-lymphocytes-by-inhibiting-nf-%C3%AE%C2%BAb-activity
#10
Lingxi Chen, Gang Huang, Min Gao, Xiaodong Shen, Wei Gong, Zhizhen Xu, Yijun Zeng, Fengtian He
B cell activating factor belonging to the TNF family (BAFF) plays a critical role in the pathogenesis of autoimmune diseases. The inhibition of BAFF expression is an emerging therapeutic approach for these disorders. Chicoric acid (CA), a bioactive phytochemical found in several widely used traditional medicinal plants, has significant anti-inflammatory activity and anti-arthritic effects. However, the role of CA in modulation of BAFF expression remains unknown. In this study, we demonstrated that CA reduced BAFF expression in human B lymphocyte cell lines and decreased the DNA-binding activity of nuclear factor-κB (NF-κB) in the BAFF promoter region...
January 22, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28120758/-artificial-organs
#11
Thibaut Raguin, Agnès Dupret-Bories, Christian Debry
Research has been fighting against organ failure and shortage of donations by supplying artificial organs for many years. With the raise of new technologies, tissue engineering and regenerative medicine, many organs can benefit of an artificial equivalent: thanks to retinal implants some blind people can visualize stimuli, an artificial heart can be proposed in case of cardiac failure while awaiting for a heart transplant, artificial larynx enables laryngectomy patients to an almost normal life, while the diabetic can get a glycemic self-regulation controlled by smartphones with an artificial device...
January 2017: Médecine Sciences: M/S
https://www.readbyqxmd.com/read/28112988/platelet-bioreactor-accelerated-evolution-of-design-and-manufacture
#12
Jonathan N Thon, Brad J Dykstra, Lea M Beaulieu
Platelets, responsible for clot formation and blood vessel repair, are produced by megakaryocytes in the bone marrow. Platelets are critical for hemostasis and wound healing, and are often provided following surgery, chemotherapy, and major trauma. Despite their importance, platelets today are derived exclusively from human volunteer donors. They have a shelf life of just five days, making platelet shortages common during long weekends, civic holidays, bad weather, and during major emergencies when platelets are needed most...
January 23, 2017: Platelets
https://www.readbyqxmd.com/read/28111216/rehmanniae-radix-in-osteoporosis-a-review-of-traditional-chinese-medicinal-uses-phytochemistry-pharmacokinetics-and-pharmacology
#13
REVIEW
Chenyue Liu, Rufeng Ma, Lili Wang, Ruyuan Zhu, Haixia Liu, Yubo Guo, Baosheng Zhao, Shangang Zhao, Jinfa Tang, Yu Li, Jianzhao Niu, Min Fu, Dongwei Zhang, Sihua Gao
ETHNOPHARMACOLOGICAL RELEVANCE: Emerging clinical usage and pharmacological effects have been achieved in using Rehmanniae Radix either singly or in combination with other herbs to treat skeletal diseases in traditional Chinese medicine (TCM) in the recent years. This study is aimed to provide a comprehensive review about the historical TCM interpretation of the action of Rehmanniae Radix in osteoporosis, its usage in clinical trials and osteoporotic models, its main phytochemical constituents, and its pharmacokinetics...
January 19, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28107703/how-universal-is-coverage-and-access-to-diagnosis-and-treatment-for-chagas-disease-in-colombia-a-health-systems-analysis
#14
Zulma M Cucunubá, Jennifer M Manne-Goehler, Diana Díaz, Pierre Nouvellet, Oscar Bernal, Andrea Marchiol, María-Gloria Basáñez, Lesong Conteh
Limited access to Chagas disease diagnosis and treatment is a major obstacle to reaching the 2020 World Health Organization milestones of delivering care to all infected and ill patients. Colombia has been identified as a health system in transition, reporting one of the highest levels of health insurance coverage in Latin America. We explore if and how this high level of coverage extends to those with Chagas disease, a traditionally marginalised population. Using a mixed methods approach, we calculate coverage for screening, diagnosis and treatment of Chagas...
January 4, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28093057/if-it-works-for-pills-can-it-work-for-skills-direct-to-consumer-social-marketing-of-evidence-based-psychological-treatments
#15
Robert D Friedberg, Hasan Bayar
The emergence of evidence-based psychological treatments (EVPTs) is a scientific success story, but unfortunately the application of these empirically supported procedures has been slow to gain ground in treatment-as-usual settings. This Open Forum commentary argues that direct-to-consumer (DTC) marketing, which has worked well in communicating the advantages of various medicines, should perhaps be considered for use in social marketing of EVPTs. DTC marketing of pharmaceuticals is a long-standing advertising strategy in the United States...
January 17, 2017: Psychiatric Services: a Journal of the American Psychiatric Association
https://www.readbyqxmd.com/read/28086760/education-of-pediatric-subspecialty-fellows-in-transport-medicine-a-national-survey
#16
Geoffrey E Mickells, Denise M Goodman, Ranna A Rozenfeld
BACKGROUND: The transport of critically ill patients to children's hospitals is essential to current practice. The AAP Section on Transport Medicine has raised concerns about future leadership in the field as trainees receive less exposure to transport medicine. This study identifies the priorities of pediatric subspecialty fellows, fellowship directors and nursing directors in transport medicine education. METHODS: Internet based surveys were distributed to fellows, fellowship directors and nursing directors of transport teams affiliated with ACGME-approved fellowships in Neonatal-Perinatal Medicine (NPM), Pediatric Critical Care Medicine (PCCM), and Pediatric Emergency Medicine (PEM)...
January 13, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28078374/-anaesthesia-procedures-and-invasive-vascular-access-in-severely-injured-patients-at-trauma-room-admission-in-germany-an-online-survey
#17
M F Struck, P Hilbert-Carius, B Hossfeld, J Hinkelbein, M Bernhard, T Wurmb
BACKGROUND: The continuous monitoring of vital parameters and subsequent therapy belong to the core duties of anaesthetists during acute trauma resuscitation in the trauma room. Important procedures may include placement of arterial lines and central venous catheters (CVCs). Knowledge of indication, performance and localization of invasive catheterisation of trauma care in Germany is scarce. METHODS: After approval of the German Society of Anaesthesiology and Intensive Care Medicine we conducted an online survey about arterial and central venous catheterisation of severely injured patients with consideration of common practice used by anaesthetists in German trauma rooms...
January 11, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28059952/atp-citrate-lyase-genetics-molecular-biology-and-therapeutic-target-for-dyslipidemia
#18
Amy C Burke, Murray W Huff
PURPOSE OF REVIEW: ATP-citrate lyase (ACLY) has re-emerged as a drug target for LDL cholesterol (LDL-C) lowering. We review ACLY as a therapeutic strategy, its genetics, its molecular and cellular biology, and also its inhibition. RECENT FINDINGS: ACLY is a critical enzyme linking glucose catabolism to lipogenesis by providing acetyl-CoA from mitochondrial citrate for fatty acid and cholesterol biosynthesis. Human genetic variants have been associated with enhanced growth and survival of several cancers, and with attenuated plasma triglyceride responses to dietary fish oil...
January 5, 2017: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/28041784/in-vitro-neuroprotective-potential-of-lichen-metabolite-fumarprotocetraric-acid-via-intracellular-redox-modulation
#19
Carlos Fernández-Moriano, Pradeep Kumar Divakar, Ana Crespo, M Pilar Gómez-Serranillos
The lichen-forming fungi Cetraria islandica has been largely used in folk medicines, and it has recently showed promising in vitro antioxidant effects in glial-like cells. Current work aimed at investigating the neuroprotective potential of its major isolated secondary metabolite: the depsidone fumarprotocetraric acid (FUM). H2O2 was used herein to induce oxidative stress (OS)-mediated cytotoxicity in two models of neurons and astrocytes cells (SH-SY5Y and U373-MG cell lines). We found that a pre-treatment with FUM significantly enhanced cell viability compared to H2O2-treated cells, and we selected the optimal concentrations in each model (1 and 25μg/ml, respectively) for assessing its cytoprotective mechanisms...
December 29, 2016: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28029082/probiotics-in-curing-allergic-and-inflammatory-conditions-research-progress-and-futuristic-vision
#20
Kuldeep Dhama, Shyma K Latheef, Ashok Kumar Munjal, Rekha Khandia, Hari Abdul Samad, Hafiz M N Iqbal, Sunil K Joshi
BACKGROUND: Probiotics constitute the viable and beneficial microbes, which offer a dietary means to sustain the balance of gastro-intestinal (GI) microflora. Owing to their multiple health benefits, these have recently gained wide attention among researchers for exploring their potential in safeguarding the health of humans and animals. Probiotics could also modulate host-immune responses, thereby help in counteracting the immunological dysfunctions. Probiotics can inhibit the systemic invasion of pathogens entering through the GI mucosa/ oral cavity and have been found to possess effective prophylactic and therapeutic utilities against various infectious pathogens as well as non-infectious diseases and disorders...
December 26, 2016: Recent Patents on Inflammation & Allergy Drug Discovery
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