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https://www.readbyqxmd.com/read/28109200/arcobacter-lekithochrous-sp-nov-a-new-species-isolated-from-a-molluscan-hatchery-in-norway
#1
Ana L Diéguez, Sabela Balboa, Thorolf Magnesen, Jesús L Romalde
Four bacterial strains, LFT 1.7T, LT2C 2.5, LT4C 2.8 and TM 4.6, were isolated from Great scallop (Pecten maximus) larvae and tank seawater in a Norwegian hatchery and characterized by a polyphasic approach including phenotypic, chemotaxonomic and genomic traits. All of them were Gram-negative and motile rods, oxidase and catalase positive and required sea salts for growth. Major fatty acids present were Summed Feature 3 (C16:1ω7c/C16:1 ω6c), Summed Feature 8 (C18:1ω7c or C18:1 ω6c), C16:0, C14:0, Summed Feature 2 (C14:0 3OH/C16:1 iso I), C12:0 3OH and C12:0...
January 19, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28109179/quantitative-and-integrative-analysis-of-paracrine-hepatocyte-activation-by-non-parenchymal-cells-upon-lipopolysaccharide-induction
#2
Katharina Beuke, Frank A Schildberg, Federico Pinna, Ute Albrecht, Roman Liebe, Michaela Bissinger, Peter Schirmacher, Steven Dooley, Johannes G Bode, Percy A Knolle, Ursula Kummer, Kai Breuhahn, Sven Sahle
Gut-derived bacterial lipopolysaccharides (LPS) stimulate the secretion of tumor necrosis factor (TNF) from liver macrophages (MCs), liver sinusoidal endothelial cells (LSECs), and hepatic stellate cells (HSCs), which control the acute phase response in hepatocytes through activation of the NF-κB pathway. The individual and cooperative impact of non-parenchymal cells on this clinically relevant response has not been analysed in detail due to technical limitations. To gain an integrative view on this complex inter- and intracellular communication, we combined a multi-scale mathematical model with quantitative, time-resolved experimental data of different primary murine liver cell types...
January 21, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28109172/integrated-treatment-options-for-male-perpetrators-of-intimate-partner-violence
#3
Cory A Crane, Caroline J Easton
ISSUES: Male-to-female intimate partner violence remains a worldwide public health issue with adverse physical and psychological consequences for victims, perpetrators and children. Personality disorders, addiction, trauma and mood symptoms are established risk factors for intimate partner violence perpetration and factor prominently into a recovery-oriented treatment approach. APPROACH: We reviewed the partner violence literature for detailed reports of traditional as well as innovative, integrated treatment approaches...
January 21, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28109168/integrated-omics-analysis-of-specialized-metabolism-in-medicinal-plants
#4
Amit Rai, Kazuki Saito, Mami Yamazaki
Medicinal plants are the rich source of highly diverse specialized metabolites with important pharmacological properties. Until recently, plant biologists were limited in their approach to explore biosynthetic pathways of these metabolites, mainly due to the scarcity of plant genomics resources. Recent advancements in the high-throughput large-scale analytical methods have enabled plant biologists to discover biosynthetic pathways for important plant-based medicinal metabolites. Reduced cost to generate omics datasets, and the development of computational tools for their analysis and integration have led to the elucidation of biosynthetic pathways of several plant origin bio-active metabolites...
January 21, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28109167/cell-cycle-tailored-targeting-of-metastatic-melanoma-challenges-opportunities
#5
Nikolas K Haass, Brian Gabrielli
The advent of targeted therapies of metastatic melanoma, such as MAPK pathway inhibitors and immune checkpoint antagonists, has turned dermato-oncology from the 'bad guy' to the 'poster child' in oncology. Current targeted therapies are effective; although here is a clear need to develop combination therapies to delay the onset of resistance. Many anti-melanoma drugs impact on the cell cycle but are also dependent on certain cell cycle phases resulting in cell cycle phase-specific drug insensitivity. Here, we raise the question: Have combination trials been abandoned prematurely as ineffective possibly only because drug scheduling was not optimized? Firstly, if both drugs of a combination hit targets in the same melanoma cell, cell cycle-mediated drug insensitivity should be taken into account when planning combination therapies, timing of dosing schedules and choice of drug therapies in solid tumors...
January 21, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28109164/assessment-of-biological-psychological-and-adherence-factors-in-the-prediction-of-step-down-treatment-for-patients-with-well-controlled-asthma
#6
Norihiro Saito, Akihito Kamata, Masamichi Itoga, Mami Tamaki, Hiroyuki Kayaba, Thomas Ritz
OBJECTIVES: Inhaled corticosteroids (ICS) and inhaled corticosteroids combined with long-acting beta2-agonist (ICS/LABA) are standard treatments for asthma. However, factors that might help reduce medication in well-controlled asthma are unknown. We classified problems of asthma patients into biological, psychological and adherence factors, and investigated factors associated with the indication and failure of a medication step-down treatment. METHODS: Two hundred twenty two well-controlled asthma patients receiving ICS or ICS/LABA were assessed for physical and psychiatric problems and followed up for one year from adjustment of their treatment step...
January 21, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28109160/antibiotics-for-infection-prevention-after-excision-of-the-cervical-transformation-zone
#7
REVIEW
Chumnan Kietpeerakool, Bandit Chumworathayi, Jadsada Thinkhamrop, Butsakorn Ussahgij, Pisake Lumbiganon
BACKGROUND: Excision of the transformation zone of the cervix is the most commonly used approach to treat cervical precancerous lesions (cervical intraepithelial neoplasia (CIN)) to reduce the risk of developing cervical cancer. As the excision of the transformation zone leaves a raw area on the cervix, there is a risk of infection following the procedure. The incidence of infection after cold knife conization (CKC) is 36%, whereas the incidence for large loop excision of the transformation zone (LLETZ, also known as loop electrical excision procedure (LEEP)) is much lower (0...
January 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28109158/using-the-volta-phase-plate-with-defocus-for-cryo-em-single-particle-analysis
#8
Radostin Danev, Dimitry Tegunov, Wolfgang Baumeister
Previously, we reported an in-focus data acquisition method for cryo-EM single particle analysis with the Volta phase plate (VPP) (Danev and Baumeister, 2016). Here, we extend the technique to include a small amount of defocus which enables contrast transfer function measurement and correction. This hybrid approach simplifies the experiment and increases the data acquisition speed. It also removes the resolution limit inherent to the in-focus method thus allowing 3D reconstructions with resolutions better than 3 Å...
January 21, 2017: ELife
https://www.readbyqxmd.com/read/28109133/the-prognostic-and-therapeutic-application-of-micrornas-in-breast-cancer-tissue-and-circulating-micrornas
#9
REVIEW
Afsane Bahrami, Seyed Amir Aledavoud, Kazem Anvari, Seyed Mahdi Hassanian, Mina Maftouh, Ali Yaghobzade, Omid Salarzaee, Soodabeh ShahidSales, Amir Avan
Breast cancer is the second most common malignancy diagnosed in women, supporting the need for identification of novel prognostic and diagnostic biomarkers. Recently, microRNAs have emerged as molecular regulators that can have key roles in pathogenesis and progression of different malignancies, including breast cancer. Micro-RNAs can be circulated in body fluid, suggesting their values as non-invasive marker. There is growing body of evidence showing the aberrant activation of some known circulating miRNAs, e...
January 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28109130/identification-of-promising-dna-gyrb-inhibitors-for-tuberculosis-using-pharmacophore-based-virtual-screening-molecular-docking-and-molecular-dynamics-studies
#10
Md Ataul Islam, Tahir S Pillay
In the current study, we searched for potential DNA GyrB inhibitors using pharmacophore-based virtual screening followed by molecular docking and molecular dynamics simulation approaches. For this purpose, a set of 248 DNA GyrB inhibitors were collected from the literature and a well-validated pharmacophore model was generated. The best pharmacophore model explained that two each of hydrogen bond acceptor and hydrophobicity were critical for inhibition of DNA GyrB. Good statistical results of the pharmacophore model indicated that the model was robust in nature...
January 21, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28109126/a-step-wise-approach-to-define-binding-mechanisms-of-surrogate-viral-particles-to-multi-modal-anion-exchange-resin-in-a-single-solute-system
#11
Matthew Brown, Sarah Johnson, Kurt Brorson, Scott Lute, David Roush
Multi-modal anion exchange resins combine properties of both anion exchange and hydrophobic interaction chromatography for commercial protein polishing and may provide some viral clearance as well. From a regulatory viral clearance claim standpoint, it is unclear if multi-modal resins are truly orthogonal to either single-mode anion exchange or hydrophobic interaction columns. To answer this, a strategy of solute surface assays and High Throughput Screening of resin in concert with a scale-down model of large scale chromatography purification was employed to determine the predominant binding mechanisms of a panel of bacteriophage (i...
January 21, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28109124/domestication-and-human-demographic-history-in-south-america
#12
S Ivan Perez, María Bárbara Postillone, Diego Rindel
OBJECTIVES: The early groups of hunter-gatherers who peopled South America faced significant ecological changes in their trophic niche for a relatively short period after the initial peopling. In particular, the incorporation of cultigens during the Holocene led to a wider trophic niche and probably to an increased carrying capacity of the environment. Here, we study the relationship between the incorporation of domestic resources during the Holocene and the demographic dynamics of human populations at a regional scale in South America...
January 21, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28109083/green-pharmaceutical-analysis-of-drugs-coformulated-with-highly-different-concentrations-using-spiking-and-manipulation-of-their-ratio-spectra
#13
Bassam M Ayoub
Introducing green analysis to pharmaceuticalproducts is considered a significant approach topreserving the environment. This method can be anenvironmentally friendly alternative to the existingmethods, accompanied by a validated automatedprocedure for the analysis of a drug with the lowestpossible number of samples. Different simplespectrophotometric methods were developed forthe simultaneous determination of empagliflozin(EG) and metformin (MT) by manipulating their ratiospectra in their application on a recently approvedpharmaceutical combination, Synjardy tablets...
January 20, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28108973/development-and-evaluation-of-buccal-films-based-on-chitosan-for-the-potential-treatment-of-oral-candidiasis
#14
G Tejada, M G Barrera, G N Piccirilli, M Sortino, A Frattini, C J Salomón, María C Lamas, Darío Leonardi
In this work, chitosan films were prepared by a casting/solvent evaporation methodology using pectin or hydroxypropylmethyl cellulose to form polymeric matrices. Miconazole nitrate, as a model drug, was loaded into such formulations. These polymeric films were characterized in terms of mechanical properties, adhesiveness, and swelling as well as drug release. Besides, the morphology of raw materials and films was investigated by scanning electron microscopy; interactions between polymers were analyzed by infrared spectroscopy and drug crystallinity studied by differential scanning calorimetry and X-ray diffraction...
January 20, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28108966/breast-reconstruction-and-postmastectomy-radiotherapy-complications-by-type-and-timing-and-other-problems-in-radiation-oncology
#15
Kenji Sekiguchi, Jiro Kawamori, Hideko Yamauchi
Breast reconstruction (BR) represents a suitable option for women who are not expected to require postmastectomy radiotherapy (PMRT). As recent evidence has led to an extension of the indications for PMRT, this has also appeared to increase the incidence of reconstructive complications. Nevertheless, in the USA at least, trends towards BR are changing. The frequency of immediate reconstruction continues to increase, even in the setting of PMRT. In immediate implant-based reconstruction, a staged approach is preferred...
January 20, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/28108964/heme-oxygenase-1-defects-lead-to-reduced-chlorophyll-in-brassica-napus
#16
Lixia Zhu, Zonghui Yang, Xinhua Zeng, Jie Gao, Jie Liu, Bin Yi, Chaozhi Ma, Jinxiong Shen, Jinxing Tu, Tingdong Fu, Jing Wen
We previously described a Brassica napus chlorophyll-deficient mutant (ygl) with yellow-green seedling leaves and mapped the related gene, BnaC.YGL, to a 0.35 cM region. However, the molecular mechanisms involved in this chlorophyll defect are still unknown. In this study, the BnaC07.HO1 gene (equivalent to BnaC.YGL) was isolated by the candidate gene approach, and its function was confirmed by genetic complementation. Comparative sequencing analysis suggested that BnaC07.HO1 was lost in the mutant, while a long noncoding-RNA was inserted into the promoter of the homologous gene BnaA07...
January 20, 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/28108962/determination-of-equine-cytochrome-c-backbone-amide-hydrogen-deuterium-exchange-rates-by-mass-spectrometry-using-a-wider-time-window-and-isotope-envelope
#17
Yoshitomo Hamuro
A new strategy to analyze amide hydrogen/deuterium exchange mass spectrometry (HDX-MS) data is proposed, utilizing a wider time window and isotope envelope analysis of each peptide. While most current scientific reports present HDX-MS data as a set of time-dependent deuteration levels of peptides, the ideal HDX-MS data presentation is a complete set of backbone amide hydrogen exchange rates. The ideal data set can provide single amide resolution, coverage of all exchange events, and the open/close ratio of each amide hydrogen in EX2 mechanism...
January 20, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28108961/effects-of-negatively-and-positively-charged-ti-metal-surfaces-on-ceramic-coating-adhesion-and-cell-response
#18
Rodney Marcelo do Nascimento, Vanessa Rafaela de Carvalho, José Silvio Govone, Antônio Carlos Hernandes, Nilson Cristino da Cruz
This manuscript reports an evaluation of the effects of simple chemical-heat treatments on the deposition of different ceramic coatings, i.e., TiO2, CaTiO3 and CaP, on commercially pure titanium (cp-Ti) and Ti6Al4V and the influence of the coatings on cells interaction with the surfaces. The ceramic materials were prepared by the sol-gel method and the coating adhesion was analyzed by pull-off bending tests. The wettability of positively or negatively charged surfaces was characterized by contact angle measurements, which also enabled the calculation of the surface free energy through the polar-apolar liquids approach...
February 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28108950/t-cell-receptor-engineered-t-cells-for-cancer-treatment-current-status-and-future-directions
#19
REVIEW
Yu Ping, Chaojun Liu, Yi Zhang
T-cell receptor (TCR)-engineered T cells are a novel option for adoptive cell therapy used for the treatment of several advanced forms of cancer. Work using TCR-engineered T cells began more than two decades ago, with numerous preclinical studies showing that such cells could mediate tumor lysis and eradication. The success of these trials provided the foundation for clinical trials, including recent clinical successes using TCR-engineered T cells to target New York esophageal squamous cell carcinoma (NY-ESO-1)...
January 20, 2017: Protein & Cell
https://www.readbyqxmd.com/read/28108941/factors-associated-with-emergency-department-useamong-veteran-psychiatric-patients
#20
Daniel M Blonigen, Kathryn S Macia, Xiaoyu Bi, Paola Suarez, Luisa Manfredi, Todd H Wagner
Frequent utilization of emergency department (ED) services contributes substantially to the cost of healthcare nationally and is often driven by psychiatric factors. Using national-level data from the Veterans Health Administration (VHA), the present study examined patient-level factors associated with ED use among veteran psychiatric patients. Veterans who had at least one ED visit with a psychiatric diagnosis in fiscal years 2011-2012 (n = 226,122) were identified in VHA administrative records. Andersen's behavioral model of healthcare utilization was used to identify need, enabling, and predisposing factors associated with frequency of ED use (primary outcome) in multivariate regression models...
January 21, 2017: Psychiatric Quarterly
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