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https://www.readbyqxmd.com/read/27905897/cost-and-cost-effectiveness-of-tuberculosis-treatment-shortening-a-model-based-analysis
#1
G B Gomez, D W Dowdy, M L Bastos, A Zwerling, S Sweeney, N Foster, A Trajman, M A Islam, S Kapiga, E Sinanovic, G M Knight, R G White, W A Wells, F G Cobelens, A Vassall
BACKGROUND: Despite improvements in treatment success rates for tuberculosis (TB), current six-month regimen duration remains a challenge for many National TB Programmes, health systems, and patients. There is increasing investment in the development of shortened regimens with a number of candidates in phase 3 trials. METHODS: We developed an individual-based decision analytic model to assess the cost-effectiveness of a hypothetical four-month regimen for first-line treatment of TB, assuming non-inferiority to current regimens of six-month duration...
December 1, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27905682/a-survey-of-pediatric-hematology-oncology-specialists-regarding-management-of-central-line-associated-venous-thrombosis
#2
Char M Witmer, Emily Sauck, Leslie J Raffini
Central venous catheters (CVCs) account for the largest proportion of thrombotic events in pediatric patients. Questions remain regarding adequate treatment and prevention methods. We surveyed pediatric hematology/oncology specialists, using hypothetical cases to assess management strategies for acute CVC thrombosis and secondary prevention. Survey respondents varied in the use of the thrombophilia evaluation (33.3%, 41/123) and duration of treatment (6 weeks: 54.1%, 66/122). Secondary CVC prophylaxis was utilized by 36...
December 1, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27905598/dehydro-oxazole-thiazole-and-imidazole-radicals-insights-into-the-electronic-structure-stability-and-reactivity-aspects
#3
Anamika Mukhopadhyay, Lilit Jacob, Sugumar Venkataramani
DFT (U)B3LYP/cc-pVTZ and (U)M06-2X/cc-pVTZ and multireference CASSCF/cc-pVTZ level of theories have been used to investigate the electronic structure of isomeric dehydrooxazole (1b-d, 3 isomers), dehydrothiazole (2b-d, 3 isomers) and dehydroimidazole (3a-d, 4 isomers) radicals. The ground state electronic structure of each radical isomer has been confirmed by predicting their doublet excited state structure and calculating the adiabatic energy difference. The stability order of the individual isomeric radicals has been estimated through the comparison of absolute energies...
December 1, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27905556/cellular-aspartyl-proteases-promote-the-unconventional-secretion-of-biologically-active-hiv-1-matrix-protein-p17
#4
Francesca Caccuri, Maria Luisa Iaria, Federica Campilongo, Kristen Varney, Alessandro Rossi, Stefania Mitola, Silvia Schiarea, Antonella Bugatti, Pietro Mazzuca, Cinzia Giagulli, Simona Fiorentini, Wuyuan Lu, Mario Salmona, Arnaldo Caruso
The human immune deficiency virus type 1 (HIV-1) matrix protein p17 (p17), although devoid of a signal sequence, is released by infected cells and detected in blood and in different organs and tissues even in HIV-1-infected patients undergoing successful combined antiretroviral therapy (cART). Extracellularly, p17 deregulates the function of different cells involved in AIDS pathogenesis. The mechanism of p17 secretion, particularly during HIV-1 latency, still remains to be elucidated. A recent study showed that HIV-1-infected cells can produce Gag without spreading infection in a model of viral latency...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27905306/introduction-of-day-care-thyroid-surgery-in-a-dutch-non-academic-hospital
#5
R R Dulfer, K S de Valk, F Gilissen, T M van Ginhoven, P C Smit
OBJECTIVE: Hemithyroidectomy is the most common endocrine surgical procedure and is performed with low complication rates. Multiple international reports indicate that thyroid surgery in the day care setting is feasible and safe. Despite these results, day care thyroid surgery has not yet been implemented in the Netherlands. The objective of this study is to assess the safety of thyroid surgery in our institution and, when deemed safe, implement day care thyroid surgery. METHODS: All patients who underwent hemithyroidectomy in our institution between January 2010 and December 2014 were included in the retrospective analysis...
November 2016: Netherlands Journal of Medicine
https://www.readbyqxmd.com/read/27905078/improving-the-provision-of-otc-medication-information-in-community-pharmacies-in-poland
#6
Anna Piecuch, Magdalena Makarewicz-Wujec, Małgorzata Kozłowska-Wojciechowska
Background An informed or shared decision-making model is desirable to support the choice of over-the-counter (OTC) medications in pharmacies: it respects patient empowerment in self-medication. Such a model is achievable provided that pharmacists are a credible, competent information source open to patient needs. Objective To study the dependencies among selected factors that may influence the provision of OTC medication information. The study was conducted from the perspective of a community pharmacist. Method The study consisted of an auditorium survey with a self-administered questionnaire...
November 30, 2016: International Journal of Clinical Pharmacy
https://www.readbyqxmd.com/read/27904023/early-embryonic-development-of-long-tendons-in-the-human-foot
#7
Masahito Yamamoto, Yasuhiro Shiraishi, Kei Kitamura, Zhe Wu Jin, Gen Murakami, Jose Francisco Rodríguez-Vázquez, Shin-Ichi Abe
To examine a common plantar tendinous plate for long flexors of the toe and fingers in human embryos, we observed sections of 10 embryos at 5-6 weeks (crown-rump length or CRL 15-21 mm). The heel or tuber of the calcaneus was underdeveloped in 3 embryos with CRL 15 mm and the talus appeared not to be piled up on the calcaneus but these two bones were arranged along the lateromedial axis. As reported in the hand, we demonstrated, in the deep side of tarsal bones, a common tendinous plate formed by a joining of the flexor halluces longus and flexor digitorum longus tendons...
2016: Okajimas Folia Anatomica Japonica
https://www.readbyqxmd.com/read/27903266/environmental-determinants-of-malaria-transmission-in-african-villages
#8
Noriko Endo, Elfatih A B Eltahir
BACKGROUND: Malaria transmission is complex, involving a range of hydroclimatological, biological, and environmental processes. The high degree of non-linearity in these processes makes it difficult to predict and intervene against malaria. This study seeks both to define a minimal number of malaria transmission determinants, and to provide a theoretical basis for sustainable environmental manipulation to prevent malaria transmission. METHODS: Using a field-tested mechanistic malaria model, HYDREMATS, a theoretical study was conducted under hypothetical conditions...
December 1, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27902880/monoamine-oxidase-inhibitory-activity-methyl-versus-chlorochalcone-derivatives
#9
Bijo Mathew, Gülberk Uçar, Githa Elizabeth Mathew, Sincy Mathew, Praseedha Kalatharakkal Purapurath, Fasil Moolayil, Smrithy Mohan, Sheeba Varghese Gupta
Numerous studies have shown that chalcones are promising scaffolds for the development of new monoamine oxidase-B (MAO-B) inhibitors. As a continuation of our ongoing research into the development of reversible human MAO-B (hMAO-B) inhibitors, two series of twenty chalcones containing electron-donating and electron-withdrawing substituents were synthesized. All compounds were found to be competitive, selective, and reversible inhibitors of hMAO-B except (2E)-1-(4-methylphenyl)-3-(4-nitrophenyl)prop-2-en-1-one (P7) and (2E)-1-(4-chlorophenyl)-3-(4-nitrophenyl)prop-2-en-1-one (P17), which were found to be selective inhibitors of hMAO-A...
November 30, 2016: ChemMedChem
https://www.readbyqxmd.com/read/27902361/qualitative-proteomic-analysis-of-tipula-oleracea-nudivirus-tonv-occlusion-bodies
#10
Anne Bézier, Grégoire Harichaux, Karine Musset, Valérie Labas, Elisabeth A Herniou
Nudiviruses are arthropod-specific large double-stranded circular DNA viruses, related to baculoviruses, which replicate in the nucleus of the cells they infect. Up to date six fully sequenced nudiviral genomes are available in databases and protein profile from nudivirus particles were mainly characterized by polyacrylamide gel electrophoresis. However, only few direct matches were completed between genomic and proteomic data to the exception of the major occlusion body protein from Penaeus monodon nudivirus (PmNV) and four nucleocapsid proteins from Helicoverpa zea nudivirus 2 (HzNV-2)...
November 16, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27901648/a-new-drug-design-strategy-killing-drug-resistant-bacteria-by-deactivating-their-hypothetical-genes
#11
Tit-Yee Wong, Jimmy Kuo
Despite a bacterial genome is complicated by large numbers of horizontally transferred (HT) genes and function unknown hypothetical (FUN) genes, the Genic-Transcriptional-Stop-Signals-Ratio (TSSR) of a genome shows that HT and FUN genes are complementary to all other genes in the genome. When HT or certain FUN genes are omitted from the Escherichia coli K-12 genome, its Genomic-TSSR value becomes totally incomparable to other E. coli strains. The Genic-TSSR correlation tree of a pathogen shows that some FUN genes would form a unique cluster...
November 30, 2016: Journal of Environmental Science and Health. Part C, Environmental Carcinogenesis & Ecotoxicology Reviews
https://www.readbyqxmd.com/read/27900502/values-and-preferences-on-the-use-of-oral-pre-exposure-prophylaxis-prep-for-hiv-prevention-among-multiple-populations-a-systematic-review-of-the-literature
#12
Florence M Koechlin, Virginia A Fonner, Sarah L Dalglish, Kevin R O'Reilly, Rachel Baggaley, Robert M Grant, Michelle Rodolph, Ioannis Hodges-Mameletzis, Caitlin E Kennedy
Daily oral pre-exposure prophylaxis (PrEP) is the use of antiretroviral drugs by HIV-negative people to prevent HIV infection. WHO released new guidelines in 2015 recommending PrEP for all populations at substantial risk of HIV infection. To prepare these guidelines, we conducted a systematic review of values and preferences among populations that might benefit from PrEP, women, heterosexual men, young women and adolescent girls, female sex workers, serodiscordant couples, transgender people and people who inject drugs, and among healthcare providers who may prescribe PrEP...
November 29, 2016: AIDS and Behavior
https://www.readbyqxmd.com/read/27899261/a-prestimulation-evaluation-protocol-for-patients-with-drug-resistant-epilepsy
#13
Sofie Carrette, Paul Boon, Kristl Vonck
Neurostimulation is making its way into the therapeutic armamentarium of the epileptologists, with several invasive neurostimulation modalities available today and several less invasive modalities under investigation. Clinicians will soon face a choice that should not be made randomly. We introduce the concept of a prestimulation evaluation protocol, consisting of a series of rationally chosen investigations that evaluate the presence of biomarkers for response to various neurostimulation therapies. These biomarkers should reflect the susceptibility of the individual's epileptic network to a given neurostimulation technique...
November 19, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27898515/cost-effectiveness-analysis-of-pharmacokinetic-driven-prophylaxis-vs-standard-prophylaxis-in-patients-with-severe-haemophilia-a
#14
Sergio Iannazzo, Paolo A Cortesi, Roberto Crea, Katharina Steinitz, Lorenzo G Mantovani, Alessandro Gringeri
The objective of this study was to assess the cost-effectiveness of pharmacokinetic-driven prophylaxis in severe haemophilia A patients. A microsimulation model was developed to evaluate the cost-effectiveness of pharmacokinetic-driven prophylaxis vs. standard prophylaxis and estimate cost, annual joint bleed rate (AJBR), and incremental cost-effectiveness ratio over a 1-year time horizon for a hypothetical population of 10 000 severe haemophilia A patients. A dose of 30 IU/kg per 48 h was assumed for standard prophylaxis...
November 24, 2016: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/27898036/screening-of-a-haloferax-volcanii-transposon-library-reveals-novel-motility-and-adhesion-mutants
#15
Georgio Legerme, Evan Yang, Rianne N Esquivel, Saija Kiljunen, Harri Savilahti, Mechthild Pohlschroder
Archaea, like bacteria, use type IV pili to facilitate surface adhesion. Moreover, archaeal flagella-structures required for motility-share a common ancestry with type IV pili. While the characterization of archaeal homologs of bacterial type IV pilus biosynthesis components has revealed important aspects of flagellum and pilus biosynthesis and the mechanisms regulating motility and adhesion in archaea, many questions remain. Therefore, we screened a Haloferax volcanii transposon insertion library for motility mutants using motility plates and adhesion mutants, using an adapted air-liquid interface assay...
November 26, 2016: Life
https://www.readbyqxmd.com/read/27898006/immobilization-of-neutral-protease-from-bacillus-subtilis-for-regioselective-hydrolysis-of-acetylated-nucleosides-application-to-capecitabine-synthesis
#16
Teodora Bavaro, Giulia Cattaneo, Immacolata Serra, Ilaria Benucci, Massimo Pregnolato, Marco Terreni
This paper describes the immobilization of the neutral protease from Bacillus subtilis and its application in the regioselective hydrolysis of acetylated nucleosides, including building blocks useful for the preparation of anticancer products. Regarding the immobilization study, different results have been obtained depending on the immobilization procedure. Epoxy hydrophobic carriers gave a poorly stable derivative that released almost 50% of the immobilized protein under the required reaction conditions. On the contrary, covalent immobilization on a differently activated hydrophilic carrier (agarose) resulted in very stable enzyme derivatives...
November 25, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27896723/large-scale-sequence-comparison
#17
Devi Lal, Mansi Verma
There are millions of sequences deposited in genomic databases, and it is an important task to categorize them according to their structural and functional roles. Sequence comparison is a prerequisite for proper categorization of both DNA and protein sequences, and helps in assigning a putative or hypothetical structure and function to a given sequence. There are various methods available for comparing sequences, alignment being first and foremost for sequences with a small number of base pairs as well as for large-scale genome comparison...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27896681/financial-impact-of-direct-acting-oral-anticoagulants-in-medicaid-budgetary-assessment-based-on-number-needed-to-treat
#18
Kathleen A Fairman, Lindsay E Davis, Courtney R Kruse, David A Sclar
BACKGROUND: Faced with rising healthcare costs, state Medicaid programs need short-term, easily calculated budgetary estimates for new drugs, accounting for medical cost offsets due to clinical advantages. OBJECTIVE: To estimate the budgetary impact of direct-acting oral anticoagulants (DOACs) compared with warfarin, an older, lower-cost vitamin K antagonist, on 12-month Medicaid expenditures for nonvalvular atrial fibrillation (NVAF) using number needed to treat (NNT)...
November 28, 2016: Applied Health Economics and Health Policy
https://www.readbyqxmd.com/read/27895710/in-situ-label-free-imaging-of-hemicellulose-in-plant-cell-walls-using-stimulated-raman-scattering-microscopy
#19
Yining Zeng, John M Yarbrough, Ashutosh Mittal, Melvin P Tucker, Todd B Vinzant, Stephen R Decker, Michael E Himmel
BACKGROUND: Plant hemicellulose (largely xylan) is an excellent feedstock for renewable energy production and second only to cellulose in abundance. Beyond a source of fermentable sugars, xylan constitutes a critical polymer in the plant cell wall, where its precise role in wall assembly, maturation, and deconstruction remains primarily hypothetical. Effective detection of xylan, particularly by in situ imaging of xylan in the presence of other biopolymers, would provide critical information for tackling the challenges of understanding the assembly and enhancing the liberation of xylan from plant materials...
2016: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/27895634/cytosolic-proteome-profiling-of-aminoglycosides-resistant-mycobacterium-tuberculosis-clinical-isolates-using-maldi-tof-ms
#20
Divakar Sharma, Manju Lata, Rananjay Singh, Nirmala Deo, Krishnamurthy Venkatesan, Deepa Bisht
Emergence of extensively drug resistant tuberculosis (XDR-TB) is the consequence of the failure of second line TB treatment. Aminoglycosides are the important second line anti-TB drugs used to treat the multi drug resistant tuberculosis (MDR-TB). Main known mechanism of action of aminoglycosides is to inhibit the protein synthesis by inhibiting the normal functioning of ribosome. Primary target of aminoglycosides are the ribosomal RNA and its associated proteins. Various mechanisms have been proposed for aminoglycosides resistance but still some are unsolved...
2016: Frontiers in Microbiology
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