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https://www.readbyqxmd.com/read/28735687/on-the-sequential-separation-and-quantification-of-237-np-241-am-thorium-plutonium-and-uranium-isotopes-in-environmental-and-urine-samples
#1
M Vasile, K Jacobs, M Bruggeman, K Van Hoecke, A Dobney, F Verrezen
The implementation of the one-pass-through separation technique using two stacked chromatography columns of TEVA - TRU resins for the separation of (237)Np, (241)Am, thorium, plutonium and uranium from environmental and urine samples was investigated. The sequential separation technique proved to be successful and gave similar results to those obtained when using individual separations. The analysis time was considerably improved. The amount of chemical waste was also reduced by 50% and the use of HClO4 was avoided...
July 13, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28718058/cultural-biases-in-current-medical-practices-with-a-specific-attention-to-orthopedic-surgery-a-review
#2
Gracia Etienne, Todd P Pierce, Anton Khlopas, Morad Chughtai, Carlos J Lavernia, Teva Y Vogelstein, Craig M Thomas, Charles S Modlin, Michael A Mont
Due to the increasing diversity within the United States population, there is an ever-increasing need for increased education on cultural literacy and tolerance in medical schools and residency programs. The purpose of this article was to review how a person's culture can play a substantive role in effecting and influencing (1) medical diagnosis, (2) patient and health provider medical decision-making, (3) the patient's perception of disease, and (4) the doctor-patient relationships. Many of the decisions we make as orthopedic surgeons must account for the patient's cultural needs, as much of our work impacts patients' daily activities and function...
July 17, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28698367/structure-of-the-arabidopsis-topless-corepressor-provides-insight-into-the-evolution-of-transcriptional-repression
#3
Raquel Martin-Arevalillo, Max H Nanao, Antoine Larrieu, Thomas Vinos-Poyo, David Mast, Carlos Galvan-Ampudia, Géraldine Brunoud, Teva Vernoux, Renaud Dumas, François Parcy
Transcriptional repression involves a class of proteins called corepressors that link transcription factors to chromatin remodeling complexes. In plants such as Arabidopsis thaliana, the most prominent corepressor is TOPLESS (TPL), which plays a key role in hormone signaling and development. Here we present the crystallographic structure of the Arabidopsis TPL N-terminal region comprising the LisH and CTLH (C-terminal to LisH) domains and a newly identified third region, which corresponds to a CRA domain. Comparing the structure of TPL with the mammalian TBL1, which shares a similar domain structure and performs a parallel corepressor function, revealed that the plant TPLs have evolved a new tetramerization interface and unique and highly conserved surface for interaction with repressors...
July 11, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28668671/deutetrabenazine-for-treatment-of-involuntary-movements-in-patients-with-tardive-dyskinesia-aim-td-a-double-blind-randomised-placebo-controlled-phase-3-trial
#4
Karen E Anderson, David Stamler, Mat D Davis, Stewart A Factor, Robert A Hauser, Jouko Isojärvi, L Fredrik Jarskog, Joohi Jimenez-Shahed, Rajeev Kumar, Joseph P McEvoy, Stanislaw Ochudlo, William G Ondo, Hubert H Fernandez
BACKGROUND: Tardive dyskinesia results from exposure to dopamine receptor antagonists, such as typical and atypical antipsychotics. If clinically appropriate, clinicians often manage this disorder by lowering the dose of, or discontinuing, the causative drug. There is a significant unmet need for a treatment option that does not disrupt treatment regimens for underlying psychiatric illnesses. We aimed to assess the efficacy, safety, and tolerability of fixed doses of deutetrabenazine-a novel vesicular monoamine transporter-2 inhibitor-in patients with tardive dyskinesia...
June 28, 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/28650249/inpatient-admissions-and-costs-associated-with-persistent-use-of-dalfampridine-extended-release-in-multiple-sclerosis-a-claims-database-analysis
#5
Amy Guo, Alexander Niyazov, Dendy Macaulay, Emi Terasawa, Luke Schmerold, Eric Q Wu, Stephen Krieger
BACKGROUND: While the clinical benefits of dalfampridine extended-release (D-ER) have been established in patients with multiple sclerosis (MS) through multiple clinical trials, there is limited real-world data on D-ER use, in particular the persistent use of D-ER, and associated acute care resource utilization and costs. OBJECTIVE: To examine the real-world association of D-ER use and inpatient admissions and costs among patients with MS. METHODS: This study was a retrospective observational claims analysis of the MarketScan database (April 2009-March 2014)...
July 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28650247/burden-of-alcohol-abuse-or-dependence-among-long-term-opioid-users-with-chronic-noncancer-pain
#6
Pamela B Landsman-Blumberg, Nathaniel Katz, Kavita Gajria, Anna D Coutinho, Paul P Yeung, Richard White
BACKGROUND: Substance abuse disorders among chronic noncancer pain (CNCP) patients add to the clinical challenges and economic burden of caring for such patients. Despite potential risks, some CNCP patients with a history of alcohol abuse or dependence (AAD) and pain that is refractory to nonopioid treatment options may still need opioids for pain management. However, there is a lack of data on adverse outcomes in long-term opioid users with CNCP and a history of substance abuse or AAD disorders...
July 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28639535/corrigendum
#7
(no author information available yet)
Cawley N, Tur C, Prados F, et al. Spinal cord atrophy as a primary outcome measure in phase II trials of progressive multiple sclerosis. Mult Scler. Epub ahead of print 18 May 2017. DOI: 10.1177/1352458517709954. On page 9 of this article, the Declaration of Conflicting Interests and Funding statements were incorrect. The correct declarations are shown below. Declaration of Conflicting Interests The author(s) declared the following potential conflicts of interest with respect to the research, authorship and/or publication of this article: A...
June 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28636480/the-emerging-role-of-pimavanserin-in-the-management-of-parkinson-s-disease-psychosis
#8
Neal Hermanowicz, Gustavo Alva, Fernando Pagan, Alberto J Espay, Amita Patel, Katya Cruz Madrid, Daniel Kremens, Jim Kenney, Sheila Arquette, Gary Tereso, Maria Lopes, Carolyn Farnum
A panel of experts drawn from neurology, psychiatry, geropsychiatry, geriatrics, and pharmacy representatives of 3 health plans convened in New York City on July 30, 2016, with the objective of sharing opinions, ideas, and information regarding the optimal management of Parkinson's disease psychosis (PDP). Three key points emerged from the discussion: (1) Because of the nature of Parkinson's disease and PDP, finding appropriate treatment can prove challenging; (2) emerging therapies may present an opportunity for effective disease management; and (3) moving forward, provider and patient education regarding PDP and available treatment options is essential for well-managed symptoms and better quality of life...
June 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28603465/spinal-cord-as-an-adjunct-to-brain-magnetic-resonance-imaging-in-defining-no-evidence-of-disease-activity-in-multiple-sclerosis
#9
Subhash Tummala, Tarun Singhal, Vinit V Oommen, Gloria Kim, Fariha Khalid, Brian C Healy, Rohit Bakshi
Background: Monitoring patients with multiple sclerosis (MS) for “no evidence of disease activity” (NEDA) may help guide disease-modifying therapy (DMT) management decisions. Whereas surveillance brain magnetic resonance imaging (MRI) is common, the role of spinal cord monitoring for NEDA is unknown. Objective: To evaluate the role of brain and spinal cord 3T MRI in the 1-year evaluation of NEDA. Methods: Of 61 study patients (3 clinically isolated syndrome, 56 relapsing-remitting, 2 secondary progressive), 56 (91...
May 2017: International Journal of MS Care
https://www.readbyqxmd.com/read/28514369/-the-role-of-topical-glucocorticoids-in-the-treatment-of-rhinosinusitis
#10
E G Shakhova
The guidelines of the European position paper on rhinosinusitis and nasal polyps (EPOS, 2012) ascribe the highest strength and the most comprehensive evidence-based significance to the application of intranasal glucocorticosteroids (inGCS) as the first-line therapy for the patients presenting with acute and polypous rhinosinusitis; moreover they are recommended as the medications of choice for the treatment of chronic rhinosinusitis in the absence of polyps. The author presents the data concerning the mechanism of action, clinical effectiveness, and safety of inGCS used for the treatment of acute, recurrent, and chronic rhinosinusitis...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28458168/a-rapid-method-for-estimation-of-pu-isotopes-in-urine-samples-using-high-volume-centrifuge
#11
Ranjeet Kumar, D D Rao, Rupali Dubla, J R Yadav
The conventional radio-analytical technique used for estimation of Pu-isotopes in urine samples involves anion exchange/TEVA column separation followed by alpha spectrometry. This sequence of analysis consumes nearly 3-4 days for completion. Many a times excreta analysis results are required urgently, particularly under repeat and incidental/emergency situations. Therefore, there is need to reduce the analysis time for the estimation of Pu-isotopes in bioassay samples. This paper gives the details of standardization of a rapid method for estimation of Pu-isotopes in urine samples using multi-purpose centrifuge, TEVA resin followed by alpha spectrometry...
July 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28333318/a-phase-iii-randomized-controlled-trial-comparing-the-efficacy-safety-and-tolerability-of-oral-dydrogesterone-versus-micronized-vaginal-progesterone-for-luteal-support-in-in-vitro-fertilization
#12
Herman Tournaye, Gennady T Sukhikh, Elke Kahler, Georg Griesinger
STUDY QUESTION: Is oral dydrogesterone 30 mg daily (10 mg three times daily [TID]) non-inferior to micronized vaginal progesterone (MVP) 600 mg daily (200 mg TID) for luteal support in in vitro fertilization (IVF), assessed by the presence of fetal heartbeats determined by transvaginal ultrasound at 12 weeks of gestation? SUMMARY ANSWER: Non-inferiority of oral dydrogesterone versus MVP was demonstrated at 12 weeks of gestation, with a difference in pregnancy rate and an associated confidence interval (CI) that were both within the non-inferiority margin...
May 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28333185/randomized-open-trial-comparing-a-modified-double-lumen-needle-follicular-flushing-system-with-a-single-lumen-aspiration-needle-in-ivf-patients-with-poor-ovarian-response
#13
Kyra von Horn, Marion Depenbusch, Askan Schultze-Mosgau, Georg Griesinger
Study question: Is a modified double-lumen aspiration needle system with follicular flushing able to increase the mean oocyte yield by at least one in poor response IVF patients as compared to single-lumen needle aspiration without flushing? Summary answer: Follicular flushing with the modified flushing system did not increase the number of oocytes, but increased the procedure duration. What is known already: Most studies on follicular flushing were performed with conventional double-lumen needles in patients who were normal responders...
April 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28223984/plasmodium-vivax-cell-traversal-protein-for-ookinetes-and-sporozoites-naturally-acquired-humoral-immune-response-and-b-cell-epitope-mapping-in-brazilian-amazon-inhabitants
#14
Rodrigo Nunes Rodrigues-da-Silva, Isabela Ferreira Soares, Cesar Lopez-Camacho, João Hermínio Martins da Silva, Daiana de Souza Perce-da-Silva, Antônio Têva, Antônia Maria Ramos Franco, Francimeire Gomes Pinheiro, Lana Bitencourt Chaves, Lilian Rose Pratt-Riccio, Arturo Reyes-Sandoval, Dalma Maria Banic, Josué da Costa Lima-Junior
The cell-traversal protein for ookinetes and sporozoites (CelTOS), a highly conserved antigen involved in sporozoite motility, plays an important role in the traversal of host cells during the preerythrocytic stage of Plasmodium species. Recently, it has been considered an alternative target when designing novel antimalarial vaccines against Plasmodium falciparum. However, the potential of Plasmodium vivax CelTOS as a vaccine target is yet to be explored. This study evaluated the naturally acquired immune response against a recombinant P...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28219248/high-performance-method-for-determination-of-pu-isotopes-in-soil-and-sediment-samples-by-sector-field-inductively-coupled-plasma-mass-spectrometry
#15
Zhongtang Wang, Jian Zheng, Youyi Ni, Wu Men, Keiko Tagami, Shigeo Uchida
Plutonium is extensively studied in radioecology (e.g., soil to plant transfer and radiological assessment) and geochemistry (e.g., sediment dating). Here, we reported a new chemical separation method for rapid determination of Pu in soil and sediment samples, based on the following investigations: extraction behaviors of interfering elements (IEs, for inductively coupled plasma mass spectrometry (ICPMS) measurement) on TEVA resin; decontamination of U using TEVA, UTEVA, and DGA resins; and the impact of coprecipitation on Pu determination...
February 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28196801/auxin-2016-a-burst-of-auxin-in-the-warm-south-of-china
#16
REVIEW
Teva Vernoux, Stéphanie Robert
The luxurious vegetation at Sanya, the most southern location in China on the island of Hainan, provided a perfect environment for the 'Auxin 2016' meeting in October. As we review here, participants from all around the world discussed the latest advances in auxin transport, metabolism and signaling pathways, highlighting how auxin acts during plant development and in response to the environment in combination with other hormones. The meeting also provided a rich perspective on the evolution of the role of auxin, from algae to higher plants...
February 15, 2017: Development
https://www.readbyqxmd.com/read/28195646/ns1209-spd-502-a-novel-selective-ampa-antagonist-for-stroke-neuropathic-pain-or-epilepsy-drug-development-lessons-learned
#17
Jan M Keppel Hesselink
Preclinical Research The selective AMPA (α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid) receptor antagonist, NS1209 (also known as SPD 502) has been explored in several research and development campaigns since its selection as a lead drug candidate in the early 1990s by the Danish biotechnology company, NeuroSearch. The compound was successively tested in animal models of stroke, neuropathic pain and epilepsy. The preclinical data to support development for the treatment of stroke were incomplete, as the compound was administered after the stroke episode, and did not protect subcortical areas of the brain...
February 13, 2017: Drug Development Research
https://www.readbyqxmd.com/read/28195026/from-academic-laboratory-to-the-market-disclosed-and-undisclosed-narratives-of-commercialization
#18
Adi Sapir, Amalya L Oliver
This paper examines how the Weizmann Institute of Science has been telling the story of the successful commercialization of a scientific invention, through its corporate communication channels, from the early 1970s to today. The paper aims to shed light on the transformation processes by which intellectual-property-based commercialization activities have become widely institutionalized in universities all over the world, and on the complexities, ambiguities and tensions surrounding this transition. We look at the story of the scientific invention of Copolymer-1 at the Weizmann Institute of Science and its licensing to Teva Pharmaceutical Industries, which subsequently developed the highly successful drug Copaxone for the treatment of multiple sclerosis...
February 2017: Social Studies of Science
https://www.readbyqxmd.com/read/28087056/extraction-chromatographic-separations-of-tantalum-and-tungsten-from-hafnium-and-complex-matrix-constituents
#19
Mathew S Snow, Martha R Finck, Kevin P Carney, Samuel S Morrison
Tantalum (Ta), hafnium (Hf), and tungsten (W) analyses from complex matrices require high purification of these analytes from each other and major/trace matrix constituents, however, current state-of-the-art Ta/Hf/W separations rely on traditional anion exchange approaches that show relatively similar distribution coefficient (Kd) values for each element. This work reports an assessment of three commercially available extraction chromatographic resins (TEVA, TRU, and UTEVA) for Ta/Hf/W separations. Batch contact studies show differences in Ta/Hf and Ta/W Kd values of up to 10(6) and 10(4) (respectively), representing an improvement of a factor of 100 and 300 in Ta/Hf and Ta/W Kd values (respectively) over AG1×4 resin...
February 10, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28025926/clinical-and-economic-burden-of-elevated-blood-eosinophils-in-patients-with-and-without-uncontrolled-asthma
#20
Julian Casciano, Jerry Krishnan, Zenobia Dotiwala, Chenghui Li, Shawn X Sun
BACKGROUND: The European Respiratory Society and American Thoracic Society (ERS/ATS) published guidelines in 2014 for the evaluation and treatment of asthma. These guidelines draw attention to management of patients with asthma that remains uncontrolled despite therapy. One phenotypic characteristic of therapy-resistant asthma is eosinophil elevation. It is important to better understand the burden of care gaps in this patient subgroup in order to support improved treatment strategies in the future...
January 2017: Journal of Managed Care & Specialty Pharmacy
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