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https://www.readbyqxmd.com/read/28231170/fermentation-assisted-extraction-of-isothiocyanates-from-brassica-vegetable-using-box-behnken-experimental-design
#1
Amit K Jaiswal, Nissreen Abu-Ghannam
Recent studies showed that Brassica vegetables are rich in numerous health-promoting compounds such as carotenoids, polyphenols, flavonoids, and glucosinolates (GLS), as well as isothiocyanates (ITCs) and are involved in health promotion upon consumption. ITCs are breakdown products of GLS, and typically used in the food industry as a food preservative and colouring agent. They are also used in the pharmaceutical industry due to their several pharmacological properties such as antibacterial, antifungal, antiprotozoal, anti-inflammatory, and chemoprotective effects, etc...
November 4, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28225020/improved-antitumor-activity-of-trail-fusion-protein-via-formation-of-self-assembling-nanoparticle
#2
Kaizong Huang, Ningjun Duan, Chunmei Zhang, Ran Mo, Zichun Hua
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) has been known as a promising agent for cancer therapy due to its specific apoptosis-inducing effect on tumor cells rather than most normal cells. However, systemically delivered TRAIL suffers from a rapid clearance from the body with an extremely short half-life. Thermally responsive elastin-like polypeptides (ELPs) are a promising class of temperature sensitive biopolymers based on the structural motif found in mammalian tropoelastin and retain the advantages of polymeric drug delivery systems...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28222188/the-thermodynamics-of-pr55gag-rna-interaction-regulate-the-assembly-of-hiv
#3
Hanumant S Tanwar, Keith K Khoo, Megan Garvey, Lynne Waddington, Andrew Leis, Marcel Hijnen, Tony Velkov, Geoff J Dumsday, William J McKinstry, Johnson Mak
The interactions that occur during HIV Pr55Gag oligomerization and genomic RNA packaging are essential elements that facilitate HIV assembly. However, mechanistic details of these interactions are not clearly defined. Here, we overcome previous limitations in producing large quantities of full-length recombinant Pr55Gag that is required for isothermal titration calorimetry (ITC) studies, and we have revealed the thermodynamic properties of HIV assembly for the first time. Thermodynamic analysis showed that the binding between RNA and HIV Pr55Gag is an energetically favourable reaction (ΔG<0) that is further enhanced by the oligomerization of Pr55Gag...
February 21, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28221716/ionic-self-assembled-platform-of-perylenediimide-sodium-dodecylsulfate-for-detection-of-spermine-in-clinical-samples
#4
Prabhpreet Singh, Lalit Singh Mittal, Gaurav Bhargava, Subodh Kumar
The detection and quantification of spermine in clinical practice is important for early diagnosis of many diseases. The chromatographic and immunoassay-based methods are commonly used. However, fluorescence-based assay could provide real time detection. Herein, we report synthesis and aggregation properties of dicationic perylene probe (DAB-PDI) and used DAB-PDI in developing fluorescent 'turn-on' ensemble for detection of spermine. The fluorescence of DAB-PDI (10 µM, Φ = 0.55) is efficiently quenched by negatively charged sodium dodecylsulfate (SDS) through formation of ionic self-assembled aggregates (charge ratio N/P = 9)...
February 21, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/28220521/indirect-treatment-comparison-itc-of-medical-therapies-for-an-overactive-bladder
#5
Aneta Obloza, Joshua Kirby, Derrick Yates, Philip Toozs-Hobson
BACKGROUND: Overactive bladder syndrome (OAB) is a chronic and prevalent condition which has a negative impact on Quality of Life. The National Institute of Clinical Excellence issued two documents which give slightly varying algorithms of pharmacotherapy for OAB, offering mirabegron as a possible treatment in certain circumstances. In the absence of trials involving a direct comparison of therapies, an indirect comparison can provide useful information on the difference in treatment effects between competing interventions...
February 21, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28217261/affinity-of-rimantadine-enantiomers-against-influenza-a-m2-protein-revisited
#6
Antonios Drakopoulos, Christina Tzitzoglaki, Chulong Ma, Kathrin Freudenberger, Anja Hoffmann, Yanmei Hu, Günter Gauglitz, Michaela Schmidtke, Jun Wang, Antonios Kolocouris
Recent findings from solid state NMR (ssNMR) studies suggested that the (R)-enantiomer of rimantadine binds to the full M2 protein with higher affinity than the (S)-enantiomer. Intrigued by these findings, we applied functional assays, such as antiviral assay and electrophysiology (EP), to evaluate the binding affinity of rimantadine enantiomers to the M2 protein channel. Unexpectedly, no significant difference was found between the two enantiomers. Our experimental data based on the full M2 protein function were further supported by alchemical free energy calculations and isothermal titration calorimetry (ITC) allowing an evaluation of the binding affinity of rimantadine enantiomers to the M2TM pore...
February 9, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28214581/oxadiargyl-induced-conformational-transition-of-cystatin-isolated-from-yellow-mustard-seeds-biophysical-and-biochemical-approach
#7
Azaj Ahmed, Anas Shamsi, Bilqees Bano
Phytocystatins are thiol proteinase inhibitors crucial due to their inhibitory activity in plants. These play important roles in improving crop yield, protection against insects and pathogens and modulation of apoptosis. In this chemical era, various pesticides are being used globally to increase the crop biomass. These pesticides accumulate in plant body and produce harmful effects on plants itself by interacting with essential proteins. In this present study, we have monitored the interaction of a herbicide; oxadiargyl, with phytocystatin isolated from yellow mustard seeds (YMP) by employing spectroscopic techniques viz...
February 16, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28211579/impact-of-treatment-variability-on-survival-in-immuno-competent-and-immuno-compromised-patients-with-primary-central-nervous-lymphoma
#8
Reem Karmali, Chadi Nabhan, Adam M Petrich, Jeffrey Raizer, David Peace, Rimas Lukas, Leo I Gordon, Sanjib Basu, Vineela Chukkapalli, Parameswaran Venugopal
Patients with primary central nervous system lymphoma (PCNSL) treated in the 'real-world' setting do not represent those treated on clinical trials and might not be treated similarly. We studied characteristics and variability in care for 113 newly diagnosed PCNSL patients treated at 5 institutions in the Chicago area between 2000 and 2012. In 111 patients, single modality therapy with a high dose methotrexate (HD-MTX) regimen +/- rituximab, was most commonly employed (n = 65), and 34 underwent radiotherapy (+/- systemic therapy)...
February 17, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28207877/selective-inhibition-of-aggregation-fibrillation-of-bovine-serum-albumin-by-osmolytes-mechanistic-and-energetics-insights
#9
Moumita Dasgupta, Nand Kishore
Bovine serum albumin (BSA) is an important transport protein of the blood and its aggregation/fibrillation would adversely affect its transport ability leading to metabolic disorder. Therefore, understanding the mechanism of fibrillation/aggregation of BSA and design of suitable inhibitor molecules for stabilizing its native conformation, are of utmost importance. The qualitative and quantitative aspects of the effect of osmolytes (proline, hydroxyproline, glycine betaine, sarcosine and sorbitol) on heat induced aggregation/fibrillation of BSA at physiological pH (pH 7...
2017: PloS One
https://www.readbyqxmd.com/read/28192664/nmr-and-molecular-recognition-of-n-glycans-remote-modifications-of-the-saccharide-chain-modulate-binding-features
#10
Ana Gimeno, Niels-Christian Reichardt, Francisco Javier Cañada, Lukas Perkams, Carlo Unverzagt, Jesus Jimenez-Barbero, Ana Arda
Glycans play a key role as recognition elements in the communication of cells and other organisms. Thus, the analysis of carbohydrate-protein interactions has gained significant importance. In particular, Nuclear Magnetic Resonance (NMR) techniques are considered powerful tools to detect relevant features in the interaction between sugars and their natural receptors. Here we present the results obtained in the study on the molecular recognition of different mannose-containing glycans by Pisum Sativum Agglutinin...
February 13, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28185933/binding-of-%C3%AE-carrageenan-a-food-additive-to-almond-cystatin-an-insight-involving-spectroscopic-and-thermodynamic-approach
#11
Azad Alam Siddiqui, Anna Feroz, Peerzada Shariq Shaheen Khaki, Bilqees Bano
Carrageenan is a high molecular weight linear sulphated polysaccharide, primarily used in food industry as gelling, thickening, and stabilizing agent. Almond milk prepared from almonds is low in fat, but high in antioxidants, energy, proteins, lipids and fibre. Purified almond cystatin was incubated with increasing concentrations of carrageenan at 25°C for different time interval and significant loss in inhibitory activity was observed. Interaction between carrageenan and cystatin resulted in complex formation as depicted by the decrease in fluorescence intensity with increase in the concentration of carrageenan...
February 7, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28182143/a-possible-role-of-the-infant-toddler-sensory-profile-in-screening-for-autism-a-proof-of-concept-study-in-the-specific-sample-of-prematurely-born-children-with-birth-weights-1-500-g
#12
Stepanka Beranova, Jan Stoklasa, Iva Dudova, Daniela Markova, Martina Kasparova, Jana Zemankova, Tomas Urbanek, Tomas Talasek, Pasi Luukka, Michal Hrdlicka
OBJECTIVE: The objective of this study was to explore the potential of the Infant/Toddler Sensory Profile (ITSP) as a screening tool for autism spectrum disorders (ASD) in prematurely born children. METHODS: Parents of 157 children with birth weights <1,500 g (aged 2 years, corrected for prematurity; 88 boys, 69 girls) completed a screening battery that included the ITSP, Modified Checklist for Autism in Toddlers (M-CHAT), and the Communication and Symbolic Behavior Scales Developmental Profile Infant-Toddler Checklist (CSBS-DP-ITC)...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28177479/external-validation-of-the-motivation-to-stop-scale-mtss-findings-from-the-international-tobacco-control-itc-netherlands-survey
#13
Karin Hummel, Jamie Brown, Marc C Willemsen, Robert West, Daniel Kotz
No abstract text is available yet for this article.
February 1, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28176517/regulation-of-erg3-erg6-and-erg11-genes-in-antifungal-resistant-isolates-of-candida-parapsilosis
#14
Ensieh Lotfali, Ali Ghajari, Parivash Kordbacheh, Farideh Zaini, Hossein Mirhendi, Rasoul Mohammadi, Fatemeh Noorbakhsh, Sassan Rezaie
Background: Candida parapsilosis is one of the five common strains of yeasts involved in invasive candidiasis. The expression analysis of sterol biosynthesis pathway genes, which are associated with resistance, can assist the better understanding of antifungal resistance mechanisms. Method: The antifungal susceptibility of 120 clinical C. parapsilosis isolates was examined. The changes in the gene expression related to resistance were analyzed. Results: Eight strains were resistant to fluconazole (FLC), itraconazole (ITC), and amphotericin B (AMB)...
8, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28157087/interface-thermal-conductance-of-van-der-waals-monolayers-on-amorphous-substrates
#15
Gabriela Correa, Cameron Foss, Zlatan Aksamija
Heterostructures based on atomic monolayers are emerging as leading materials for future energy efficient and multifunctional electronics. Due to the single atom thickness of monolayers, their properties are strongly affected by interactions with the external environment. We develop a model for interface thermal conductance (ITC) in an atomic monolayer van der Waals (vdW) bonded to a disordered substrate. Graphene on SiO$_2$ is initially used in our model and contrasted against available experimental data; the model is then applied to monolayer MoS$_2$ on SiO$_2$ substrate...
February 3, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28152689/comparative-effectiveness-research-in-renal-cell-carcinoma-lenvatinib-with-everolimus-as-a-potential-new-treatment-option
#16
Corey Pelletier, Unnati Majethia, Anna Forsythe
: 27 Background: Renal cell carcinoma (RCC) is the most common type of kidney cancer and represents about 90% of all kidney cancers. As comprehensive comparison of the efficacy associated with mRCC treatments is not available, the goal of this research was to provide a comparative effectiveness analysis including overall survival (OS) and progression free survival (PFS) for first and second line treatments. METHODS: Systematic literature review yielded the following randomized active-controlled studies: lenvatinib + everolimus (LEN+EVE) versus everolimus (EVE), axinitib (AXI) versus sorafenib (SOR), cabozantinib (CAB) versus EVE, nivolumab (NIV) versus EVE, and pazopanib (PAZ) versus sunitinib (SUN)...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28150441/characterization-of-the-binding-of-a-glycosylated-serine-protease-from-euphorbia-cf-lactea-latex-to-human-fibrinogen
#17
Jaruwan Siritapetawee, Chutima Talabnin, Jarunee Vanichtanankul, Chomphunuch Songsiriritthigul, Kanjana Thumanu, Chun-Jung Chen, Nantarat Komanasin
In this study, the binding of a glycosylated serine protease (EuP-82) with human fibrinogen was investigated by the isothermal titration calorimetry (ITC). The ITC analysis indicated that the binding of EuP-82 to fibrinogen in the conditions with or without the activator (Ca(2+) ) was an exothermic reaction (dominant negative enthalpy), which tended to be driven by hydrogen bonding and van der Waals interactions. In contrast, the binding of fibrinogen-EuP-82 in the condition with the inhibitor (Zn(2+) ) was an unfavorable endothermic reaction...
February 1, 2017: Biotechnology and Applied Biochemistry
https://www.readbyqxmd.com/read/28144822/in-vitro-activity-of-berberine-alone-and-in-combination-with-antifungal-drugs-against-planktonic-forms-and-biofilms-of-trichosporon-asahii
#18
Lin Cong, Yong Liao, Suteng Yang, Rongya Yang
Trichosporon asahii (T. asahii) is an opportunistic pathogen that can cause life-threatening infections in immunocompromised patients, with high mortality rates up to 80% despite treated with antifungal drugs. The biofilms-forming ability of T. asahii on indwelling medical devices may account for the resistance to antifungal drugs. Berberine (BBR) has been demonstrated to have antifungal activity and synergistic effects in combination with antifungal drugs against pathogenic fungi. In the present study, the in vitro activities of BBR alone or combined with fluconazole (FLC), itraconazole (ITC), voriconazole (VRC), caspofungin (CAS) and amphotericin B (AMB) against planktonic forms and biofilms of 21 clinical T...
January 31, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28140560/joining-two-natural-motifs-catechol-containing-poly-phosphoester-s
#19
Greta Becker, Lisa-Maria Ackermann, Eugen Schechtel, Markus Klapper, Wolfgang Tremel, Frederik R Wurm
Numerous catechol-containing polymers, including biodegradable polymers, are currently heavily discussed for modern biomaterials. However, there is no report combining poly(phosphoester)s (PPEs) with catechols. Adhesive PPEs have been prepared via acyclic diene metathesis polymerization. A novel acetal-protected catechol phosphate monomer was homo- and copolymerized with phosphoester comonomers with molecular weights up to 42000 g/mol. Quantitative release of the catechols was achieved by careful hydrolysis of the acetal groups without backbone degradation...
February 14, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28139861/species-diversity-antifungal-susceptibility-and-phenotypic-and-genotypic-characterisation-of-exophiala-spp-infecting-patients-in-different-medical-centres-in-brazil
#20
Wendy C Silva, Sarah S Gonçalves, Daniel W C L Santos, Ana Carolina B Padovan, Fernando C Bizerra, Analy S A Melo
The Exophiala genus is responsible for many superficial and invasive infections resulting from black fungi. Identification of Exophiala at the species level is based on morphological observations complemented by molecular tests. The aim of this study was to identify 23 clinical isolates of Exophiala spp. and evaluate the antifungal susceptibility to seven different agents. Molecular identification was based on an analysis of ITS region of rDNA using genomic databases. The micromorphology was evaluated by microculture and scanning electron microscopy...
January 31, 2017: Mycoses
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