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PubMed Journals Articles About "Bioverativ Taps Manufacturer Steps Biogen Shadow" - Page: 20 RSS

19:33 EDT 23rd September 2018 | BioPortfolio

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Showing "Bioverativ taps manufacturer steps Biogen shadow" PubMed Articles 476–500 of 1,600+

New azole derivatives of 17(20)E-21-norpregnene: synthesis and inhibition of prostate carcinoma cell growth.

A number of isoxazole, 1,2,3-triazole, tetrazole, and 1,2,4-oxadiazole derivatives of [17(20)E]-21-norpregnene comprising 3β-hydroxy-5-ene and 3-oxo-4-ene fragments were prepared. Among the key steps for the synthesis of isoxazoles, 1,2,3-triazoles, and tetrazoles were (i) 1,3-dipolar cycloaddition of nitrile oxides or azides to acetylenes or nitriles and ii) dehydration of 17 β -hydroxy-17α-methylene-azoles to [17(20)E]-21-norpregnene derivatives. 1,2,4-Oxadiazoles were prepared through the formation of...


Male-to-Female Gender Confirmation Surgery: Intestinal Vaginoplasty.

The major steps in vaginoplasty are orchiectomy, penile amputation, creation of the neovaginal cavity with lining, and reconstruction of urethral meatus, labia, and clitoris. During pedicled intestinal transfer, an intestinal segment is transferred in a dissected cavity between the bladder and rectum. The bowel harvest is performed by a total laparoscopic technique. It is imperative to create the labia majora and minora, the clitoris, and a clitoral hood to achieve the physiologic and aesthetic equivalent o...

Implementation of a generic liquid chromatographic method development workflow: Application to the analysis of phytocannabinoids and Cannabis sativa extracts.

A generic liquid chromatographic method development workflow was developed and successfully applied to the analysis of phytocannabinoids and Cannabis sativa extracts. Our method development procedure consists in four steps: At the end, this method development workflow was performed in less than 4 days and minimizes the costs of the method development in liquid chromatography.


Expanding severe acute respiratory infection (SARI) surveillance beyond influenza: The process and data from 1 year of implementation in Vietnam.

In 2016, as a component of the Global Health Security Agenda, the Vietnam Ministry of Health expanded its existing influenza sentinel surveillance for severe acute respiratory infections (SARI) to include testing for 7 additional viral respiratory pathogens. This article describes the steps taken to implement expanded SARI surveillance in Vietnam and reports data from 1 year of expanded surveillance.

QM/MM study of the reaction mechanism of Cl-cis,cis-muconate with muconate lactonizing enzyme.

The lactonization process of Cl-cis,cis-muconate catalyzed by anti-muconate lactonizing enzyme (anti-MLE) was studied theoretically with the aid of a combined quantum mechanics/molecular mechanics (QM/MM) approach. Two elementary processes steps involved in the lactanization process were investigated. The calculated energy barriers agree well with the experimental values. The present work provided the explicit structures of the enolate anion intermediates. The electrostatic influence analysis highlighted re...

Extracting DNA from FFPE Tissue Biospecimens Using User-Friendly Automated Technology: Is There an Impact on Yield or Quality?

DNA extracted from formalin-fixed, paraffin-embedded (FFPE) tissue blocks is amenable to analytical techniques, including sequencing. DNA extraction protocols are typically long and complex, often involving an overnight proteinase K digest. Automated platforms that shorten and simplify the process are therefore an attractive proposition for users wanting a faster turn-around or to process large numbers of biospecimens. It is, however, unclear whether automated extraction systems return poorer DNA yields or ...

The Clinicopathological and Prognostic Significance of IDO1 Expression in Human Solid Tumors: Evidence from a Systematic Review and Meta-Analysis.

Indoleamine 2,3-dioxygenase 1 (IDO1) is a heme-containing enzyme catalyzing the initial and rate-limiting steps in the kynurenine pathway, which converts tryptophan into kynurenine. Upregulation of IDO1 decreases tryptophan levels and increases the accumulation of kynurenine and its metabolites. These metabolites can affect the proliferation of T cells. Increasing evidence has shown that IDO1 is highly expressed in various cancer types and associated with poor prognosis of cancer patients. However, the resu...

Anaphylaxis related to measles, mumps, and rubella vaccine in Santa Catarina State, Brazil, 2014 and 2015.

The study aimed to describe cases and verify the frequency of anaphylaxis related to measles, mumps, and rubella (MMR) vaccine produced by manufacturer A and to assess associated risk factors. This was a case-control study (1:4) in Santa Catarina State, Brazil, from July 14, 2014, to January 12, 2015, in children from one year to less than five years of age, vaccinated with MMR and reported with anaphylaxis, while the controls were without anaphylaxis. The measure of association was odds ratio (OR) with 95%...

Organo-Cation Catalyzed Asymmetric Homo/Hetero-Dialkylation of Bisoxindoles: Construction of Vicinal All-Carbon Quaternary Stereocenters and Total Synthesis of (-)-Chimonanthidine.

A novel chiral spirocyclic amide (SPA)-derived triazolium organo-catalyst has been designed and demonstrated to effect asymmetric homo and hetero dialkylations of various bisoxindoles, enabling enantioselective construction of vicinal all-carbon quaternary stere-ocenters. These reactions feature excellent enantio- and diastereo-selectivities (up to 99% ee and >20:1 dr), as well as good to high yields (up to 89% over two steps). As an application of this meth-odology, the first asymmetric total synthesis of ...

Physical modeling of vortical cross-step flow in the American paddlefish, Polyodon spathula.

Vortical cross-step filtration in suspension-feeding fish has been reported recently as a novel mechanism, distinct from other biological and industrial filtration processes. Although crossflow passing over backward-facing steps generates vortices that can suspend, concentrate, and transport particles, the morphological factors affecting this vortical flow have not been identified previously. In our 3D-printed models of the oral cavity for ram suspension-feeding fish, the angle of the backward-facing step w...

Sample preparation in foodomic analyses.

Representative sampling and adequate sample preparation are key factors for successful performance of further steps in foodomic analyses, as well as for correct data interpretation. Incorrect sampling and improper sample preparation can be sources of severe bias in foodomic analyses. It is well known that both wrong sampling and sample treatment cannot be corrected anymore. These, in the past frequently neglected facts, are now taken into consideration, and the progress in sampling and sample preparation in...

Comparative Studies of the Biosynthetic Gene Clusters for Anthraquinone-Fused Enediynes Shedding Light into the Tailoring Steps of Tiancimycin Biosynthesis.

Comparative analyses of the four known anthraquinone-fused enediynes biosynthetic gene clusters identified four genes, tnmE6, tnmH, tnmL, and tnmQ, unique to the tnm gene cluster. Larger scale fermentation of both the S. sp. CB03234 wild-type and the Δ tnmH and Δ tnmL mutant strains resulted in the characterization of 20 new tiancimycin (TNM) congeners, including five enediynes. These findings enabled a proposal for the late stage of TNM biosynthesis featuring an intermediate possibly common for all anthr...

Expression of IgG Monoclonals with Engineered Immune Effector Functions.

The therapeutic development of monoclonal antibodies requires robust and reliable methods for their recombinant expression and characterization. In this context, an increasingly important aspect in the antibody development process is to determine the contribution of Fc-mediated immune effector functions to therapeutic activity. Here we describe steps for the cloning and mammalian expression of mouse and human IgG monoclonals with reduced immune effector functions, based on mutation of Fc-gamma receptor and ...

Review article: A primer for clinical researchers in the emergency department: Part 6. Measuring what matters: Core outcome sets in emergency medicine research.

In this series we address important topics for clinicians who participate in research as part of their work in the ED. The overarching goal of clinical research is to improve care and determine which treatment is best. Yet, defining and measuring outcomes - what is 'best' - can be one of the most difficult steps in the design of a study, in particular when answers to research questions cannot be captured in simple binary results. This article addresses how to choose outcome measures and highlights the incre...

Simultaneous acquisition for T-TExchange and T-Tcorrelation NMR experiments.

The NMR measurements of longitudinal and transverse relaxation times and its multidimensional correlations provide useful information about molecular dynamics. However, these experiments are very time-consuming, and many researchers proposed faster experiments to reduce this issue. This paper presents a new way to simultaneously perform T-TExchange and T-Tcorrelation experiments by taking the advantage of the storage time and the two steps phase cycling used for running the relaxation exchange experiment. T...

Identification of adeno-associated virus capsid proteins using ZipChip CE/MS.

A simple and rapid identity test of adeno-associated virus (AAV) serotypes is important for supporting the AAV gene therapy development, as it relates to its efficacy and safety. The current mass spectrometry-based identity tests require extensive sample preparation steps, relatively large sample quantities and long analysis time. Herein, we describe a simple and novel microfluidic ZipChip CE/MS method used to characterize AAV capsid proteins. The three capsid proteins of AAV2 were separated and identified ...

Spectrally resolved thermal emission of atmospheric gases measured by laser heterodyne spectrometry.

The demonstration of thermal infrared quantum cascade laser heterodyne spectrometry to resolve local thermodynamic equilibrium molecular emission lines from earth's atmospheric constituents is presented. The instrument is described, as well as the early steps towards radiometric calibration. Room temperature ethylene emission line measurements carried out in the laboratory are used to validate the instrument. High-resolution (0.02  cm) emission lines from atmospheric carbon dioxide and water vapor are t...

Perspectives on preoperative systemic treatment and breast conservative surgery: One step forward or two steps back?

Preoperative systemic therapy (PST) has become an accepted treatment not only for locally advanced but also for early stage breast cancer patients. Clinical trials have demonstrated that the use of PST is equally to adjuvant treatments in terms of overall survival, and has the advantage of increasing rates of breast conservative surgery and rates of pathologic complete response, a surrogate endpoint for the effectiveness of systemic therapy. Initial studies have suggested higher rates of locoregional recurr...

Transcriptome Profiling of Single Mouse Oocytes.

Single-cell RNA-sequencing (scRNAseq) enables the detection and quantification of mature RNAs in an individual cell. Assessing single cell transcriptomes can circumvent the limited amount of starting material obtained in oocytes or embryos, in particular when working with mutant mice. Here we outline our scRNAseq protocol to study mouse oocyte transcriptomes, derived from Tang et al., Nat Methods 6(5):377-382, 2009 . The method describes the different steps from single cell isolation and cDNA amplification ...

Roles of ubiquitin in autophagy and cell death.

The balance between cell survival and cell death is often lost in human pathologies such as inflammation and cancer. Autophagy plays a critical role in cell survival: essential nutrients are generated by autophagy-dependent degradation and recycling of cellular garbage. On the other hand, cell death is induced by different programs, such as apoptosis, pyroptosis, and necroptosis. Emerging evidence is revealing how cell survival and cell death pathways are coordinated to determine cell fate. For instance, po...

Factors Favoring and Impairing Healing of Tracheal Anastomosis.

The factors governing successful healing of and impairing of tracheal and bronchial anastomosis are best understood by reviewing the normal histologic changes accompanying healing, governing factors, and biochemical advances made in the last 5 decades. Normal wound healing factors, also relevant to tracheal and bronchial reconstruction, rely on precise handling of tissues without interfering with tissue perfusion, careful selection and placement of sutures, and steps to minimize tension. Impairments of sati...

Unwanted Side Effects in Children and Youth Psychotherapy - Introduction and Recommendations.

Psychotherapy in children and adolescents is effective, but unwanted effects can occur. Until now, psychotherapy research has neglected this important topic, although children and youths are in need of special protection. Unwanted effects caused by therapy are not systematically investigated and a corresponding conceptualization is missing. The aim of this article is to investigate whether the current classifications of unwanted effects of psychotherapy in adults are applicable to children and adolescents a...

Perceived harms and harm reduction strategies among people who drink non-beverage alcohol: Community-based qualitative research in Vancouver, Canada.

There has been increasing interest in harm reduction initiatives for street-involved people who drink alcohol, including non-beverage alcohol such as mouthwash and hand sanitizer. Limited evidence exists to guide these initiatives, and a particular gap is in research that prioritizes the experiences and perspectives of drinkers themselves. This research was conducted to explore the harms of what participants termed "illicit drinking" as perceived by people who engage in it, to characterize the steps this po...

Compressive fatigue properties of commercially available standard and low-modulus acrylic bone cements intended for vertebroplasty.

Vertebroplasty (VP) is a minimally invasive surgical procedure commonly used to relieve severe back pain associated with vertebral compression fractures. The poly(methyl methacrylate) bone cement used during this procedure is however presumed to facilitate the occurrence of additional fractures next to the treated vertebrae. A reason for this is believed to be the difference in stiffness between the bone cement and the surrounding trabecular bone. The use of bone cements with lower mechanical properties cou...

Confirmation of the Revised Structure of Samoquasine A and a Proposed Structural Revision of Cherimoline.

The identity of the natural product samoquasine A has remained obscure since its isolation from custard apple seeds in 2000. One of the proposed structures, benzo[ f]phthalazin-4(3 H)-one, was prepared in two steps by regioselective ortho-lithiation/formylation of N, N-diisopropyl-2-naphthylamide, followed by cyclization with hydrazine, but was shown to be different from the natural product. Perlolidine, another candidate structure, was synthesized by a novel route involving a β-selective Heck reaction of ...


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