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https://www.readbyqxmd.com/read/28092830/trpv1-antagonism-by-piperazinyl-aryl-compounds-a-topomer-comfa-study-and-its-use-in-virtual-screening-for-identification-of-novel-antagonists
#1
Rajendra Kristam, Shashidhar N Rao, Anne Sudha D'Cruz, Vijayalakshmi Mahadevan, Vellarkad N Viswanadhan
Transient Receptor Potential Vanilloid, member 1 (TRPV1), is a non-selective cation channel belonging to the transient receptor potential (TRP) family of ion channels. It occurs in the peripheral and central nervous system, activated by a variety of exogenous and endogenous stimuli, thus playing a key role in transmission of pain. This has been a target for chronic pain since more than a decade and a number of antagonists that progressed into clinical trials have failed due to the unexpected side effect of core body temperature rise, thus halting progress in this field...
January 7, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28092793/high-dilutions-of-antimony-modulate-cytokines-production-and-macrophage-leishmania-l-amazonensis-interaction-in-vitro
#2
Fabiana Rodrigues de Santana, Luciane C Dalboni, Kátia F Nascimento, Fabiana Toshie Konno, Anuska M Alvares-Saraiva, Michelle S F Correia, Maristela Dutra Correa Bomfim, Renato C V Casarin, Elizabeth C Perez, Maria Anete Lallo, Giovani B Peres, Márcia Dalastra Laurenti, Nilson R Benites, Dorly F Buchi, Leoni Villano Bonamin
BACKGROUND: In previous results mice treated with high dilutions of antimony presented reduction of monocyte migration to the site of infection with increase in B lymphocytes population in the local lymph node. AIMS: To know the mechanisms involved, a series of in vitro studies was done, using co-cultures of macrophages (RAW 264.7) and Leishmania (L.) amazonensis treated with different dilutions of antimony (Antimonium crudum or AC), in different times. METHODOLOGY: Spreading, phagocytosis, the oxidative activity of macrophages, the viability of free promastigotes and the cytokines/chemokines concentration in the supernatant were evaluated...
January 13, 2017: Cytokine
https://www.readbyqxmd.com/read/28092764/common-deregulated-gene-expression-profiles-and-morphological-changes-in-developing-zebrafish-larvae-exposed-to-environmental-relevant-high-to-low-concentrations-of-glucocorticoids
#3
Qiyu Chen, Caixia Li, Zhiyuan Gong, Eric Chun Yong Chan, Shane A Snyder, Siew Hong Lam
Synthetic glucocorticoids have been detected in environmental waters and their biological potency have raised concerns of their impact on aquatic vertebrates especially fish. In this study, developing zebrafish larvae exposed to representative glucocorticoids (dexamethasone, prednisolone and triamcinolone) at 50 pM to 50 nM from 3 h post-fertilisation to 5 days post-fertilisation were investigated. Microarray analysis identified 1255, 1531, and 2380 gene probes, which correspondingly mapped to 660, 882 and 1238 human/rodent homologs, as deregulated by dexamethasone, prednisolone and triamcinolone, respectively...
January 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/28092605/molecular-diversity-of-clostridium-botulinum-and-phenotypically-similar-strains
#4
T Grenda, E Kukier, Z Sieradzki, M Goldsztejn, K Kwiatek
This study was undertaken to examine phenotypic and genetic features of strains preliminary classified as Clostridium botulinum species. The phenotypic characteristics were assessed with different culture media and biochemical tests. The genetic characterization included detection of botulinum toxin genes by PCR and macrorestriction analysis with SmaI, XhoI and SacII by PFGE (Pulsed-field Gel Electrophoresis). Despite similar biochemical properties of all analysed strains, only 47% of them contained genes determining toxicity specific to C...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092597/role-of-probiotics-in-nutrition-and-health-of-small-ruminants
#5
M M Abd El-Tawab, I M I Youssef, H A Bakr, G C Fthenakis, N D Giadinis
Small ruminants represent an important economic source in small farm systems and agriculture. Feed is the main component of livestock farming, which has gained special attention to improve animal performance. Many studies have been done to improve feed utilisation through addition of feed additives. For a long period, antibiotics have been widely used as growth promoters in livestock diets. Due to their ban in many countries, search for alternative feed additives has been intensified. Probiotics are one of these alternatives recognised to be safe to the animals...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092149/issues-in-nutrition-nutritional-assessment-of-adults
#6
Margaret E Thompson, Mary Barth Noel
The assessment of nutritional status in adults should begin with a complete history, including intake of fruits and vegetables, sources of fat, and added sugar (eg, sugar-sweetened beverages). The history should include social factors that may impede a patient's ability to obtain food, as well as any factors that might interfere with preparing, chewing, and digesting food and absorbing nutrients. The physical examination should include measurement of height and weight and calculation of body mass index. It also may include measurements of waist circumference and waist to hip ratio, and an evaluation of strength...
January 2017: FP Essentials
https://www.readbyqxmd.com/read/28092124/active-site-mapping-of-xylan-deconstructing-enzymes-with-arabinoxylan-oligosaccharides-produced-by-automated-glycan-assembly
#7
Deborah Senf, Colin Ruprecht, Goswinus de Kruijff, Sebastian Simonetti, Frank Schuhmacher, Peter Seeberger, Fabian Pfrengle
Xylan-degrading enzymes are crucial for the deconstruction of hemicellulosic biomass, making the hydrolysis products available for various industrial applications such as biofuel production. To determine the substrate specificities of these enzymes, we prepared a collection of complex xylan oligosaccharides by automated glycan assembly. Seven differentially protected building blocks provided the basis for the modular assembly of 2-substituted, 3-substituted, and 2-/3-substituted arabino- and glucuronoxylan oligosaccharides...
January 16, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28092076/determination-of-trace-elements-in-cow-placenta-by-tungsten-coil-atomic-emission-spectrometry
#8
Daniel A Gonçalves, Ana C Soncin, George L Donati, Mirian C Dos Santos
Tungsten coil atomic emission spectrometry (WCAES) is used to determine trace levels of Mn (403.1 nm) and Cr (425.5 nm) in cow placenta. All samples were collected in Ilha Solteira, SP, Brazil. The instrumental setup is based on a tungsten filament extracted from 150 W, 15 V microscope light bulbs, a solid state power supply, fused silica lens, crossed Czerny-Turner spectrograph, and a thermoelectrically cooled charge-coupled device detector. The limits of detection (LOD) and quantification (LOQ) for Cr are 2 and 8 μg L(-1), and 20 and 60 μg L(-1) for Mn, respectively...
January 16, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28091998/palliative-effects-of-extra-virgin-olive-oil-gallic-acid-and-lemongrass-oil-dietary-supplementation-on-growth-performance-digestibility-carcass-traits-and-antioxidant-status-of-heat-stressed-growing-new-zealand-white-rabbits
#9
Adham A Al-Sagheer, Ahmed H Daader, Hassan A Gabr, Elham A Abd El-Moniem
This study explored the effects of supplemental dietary extra virgin olive oil (EVOO), gallic acid (GA), or lemongrass essential oil (LGEO) on growth performance, nutrient digestibility, carcass traits, lipid peroxidation, hematological, and antioxidative status in growing rabbits under heat stress conditions. A total of 48 male growing New Zealand White rabbits were randomly divided into four equal groups, which received a basal diet without any supplementation or supplemented with 15 g EVOO, 500 mg GA, or 400 mg LGEO/kg of diet, for eight consecutive weeks...
January 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28091994/source-analysis-of-organic-matter-in-swine-wastewater-after-anaerobic-digestion-with-eem-parafac
#10
Zhuo Zeng, Ping Zheng, Aqiang Ding, Meng Zhang, Ghulam Abbas, Wei Li
Swine wastewater is one of the most serious pollution sources, and it has attracted a great public concern in China. Anaerobic digestion technology is extensively used in swine wastewater treatment. However, the anaerobic digestion effluents are difficult to meet the discharge standard. The results from batch experiments showed that plenty of refractory organic matter remained in the effluents after mesophilic anaerobic digestion for 30 days. The effluent total COD (tCOD) and soluble COD (sCOD) were 483 and 324 mg/L, respectively, with the sCOD/tCOD ratio of 0...
January 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28091991/trophic-transfer-and-effects-of-gold-nanoparticles-aunps-in-gammarus-fossarum-from-contaminated-periphytic-biofilm
#11
Magalie Baudrimont, Jennifer Andrei, Stéphane Mornet, Patrice Gonzalez, Nathalie Mesmer-Dudons, Pierre-Yves Gourves, Ali Jaffal, Odile Dedourge-Geffard, Alain Geffard, Olivier Geffard, Jeanne Garric, Agnès Feurtet-Mazel
This work addressed the trophic transfer and effects of functionalized gold nanoparticles (AuNPs) from periphytic biofilms to the crustacean Gammarus fossarum. Biofilms were exposed for 48 h to 10 nm positively charged functionalized AuNPs at two concentrations, 4.6 and 46 mg/L, and crustaceans G. fossarum grazed on these for 7 days, with daily biofilm renewal. Gold bioaccumulation in biofilm and crustacean were measured to estimate the trophic transfer ratio of these AuNP, and, for the first time, a transcriptomic approach and transmission electron microscopy observations in the crustacean were made...
January 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28091891/adrenal-teratoma-a-case-series-and-review-of-the-literature
#12
Eric J Kuo, Anthony E Sisk, Zhiming Yang, Jiaoti Huang, Michael W Yeh, Masha J Livhits
Adrenal teratomas are rare neoplasms and there is limited data on their surgical outcomes and long-term prognosis. We aimed to review our institutional experience and compare this to the existing literature on adrenal teratomas in adults and children. An institutional pathology database was searched for cases of adrenal teratoma (June 1956-July 2016). Clinical and imaging data were abstracted from the medical records and pathology slides were obtained for review. In addition, a PubMed search for "adrenal teratoma" from June 1952 to July 2016 was performed to identify reports of primary adrenal teratoma in patients of all ages...
January 14, 2017: Endocrine Pathology
https://www.readbyqxmd.com/read/28091645/yogurt-inhibits-intestinal-barrier-dysfunction-in-caco-2-cells-by-increasing-tight-junctions
#13
Kelley K Putt, Ruisong Pei, Heather M White, Bradley W Bolling
Chronic inflammation disrupts intestinal barrier function and may contribute to the pathology of obesity and other diseases. The goal of this study was to determine the mechanism by which yogurt improves intestinal barrier function. Caco-2 cells were differentiated on Transwell inserts and used as a model of intestinal barrier permeability. Transepithelial electrical resistance (TEER) and flux of 4 kDa fluorescein isothiocyanate-dextran (FD) and lucifer yellow (LY) were used as indicators of monolayer integrity and paracellular permeability...
January 16, 2017: Food & Function
https://www.readbyqxmd.com/read/28091525/a-fibrolytic-potential-in-the-human-ileum-mucosal-microbiota-revealed-by-functional-metagenomic
#14
Orlane Patrascu, Fabienne Béguet-Crespel, Ludovica Marinelli, Emmanuelle Le Chatelier, Anne-Laure Abraham, Marion Leclerc, Christophe Klopp, Nicolas Terrapon, Bernard Henrissat, Hervé M Blottière, Joël Doré, Christel Béra-Maillet
The digestion of dietary fibers is a major function of the human intestinal microbiota. So far this function has been attributed to the microorganisms inhabiting the colon, and many studies have focused on this distal part of the gastrointestinal tract using easily accessible fecal material. However, microbial fermentations, supported by the presence of short-chain fatty acids, are suspected to occur in the upper small intestine, particularly in the ileum. Using a fosmid library from the human ileal mucosa, we screened 20,000 clones for their activities against carboxymethylcellulose and xylans chosen as models of the major plant cell wall (PCW) polysaccharides from dietary fibres...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28091514/novel-strain-properties-distinguishing-sporadic-prion-diseases-sharing-prion-protein-genotype-and-prion-type
#15
Laura Cracco, Silvio Notari, Ignazio Cali, Man-Sun Sy, Shu G Chen, Mark L Cohen, Bernardino Ghetti, Brian S Appleby, Wen-Quan Zou, Byron Caughey, Jiri G Safar, Pierluigi Gambetti
In most human sporadic prion diseases the phenotype is consistently associated with specific pairings of the genotype at codon 129 of the prion protein gene and conformational properties of the scrapie PrP (PrP(Sc)) grossly identified types 1 and 2. This association suggests that the 129 genotype favours the selection of a distinct strain that in turn determines the phenotype. However, this mechanism cannot play a role in the phenotype determination of sporadic fatal insomnia (sFI) and a subtype of sporadic Creutzfeldt-Jakob disease (sCJD) identified as sCJDMM2, which share 129 MM genotype and PrP(Sc) type 2 but are associated with quite distinct phenotypes...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28090566/large-animal-models-the-key-to-translational-discovery-in-digestive-disease-research
#16
Amanda Ziegler, Liara Gonzalez, Anthony Blikslager
Gastrointestinal disease is a prevalent cause of morbidity and mortality and the use of animal models have been instrumental in studying mechanisms of digestive pathophysiology. As investigators attempt to translate the wealth of basic science information developed from rodent, models, large animal models provide a number of translational advantages. The pig, in particular, is arguably one of the most powerful models of human organ systems, including the gastrointestinal tract. The pig has provided important tools and insight into intestinal ischemia/reperfusion injury, intestinal mucosal repair, as well as new insights into esophageal injury and repair...
November 2016: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28090410/retrospective-analysis-of-heavy-metal-contamination-in-rhode-island-based-on-old-and-new-herbarium-specimens
#17
Sofia M Rudin, David W Murray, Timothy J S Whitfeld
PREMISE OF THE STUDY: Herbarium specimens may provide a record of past environmental conditions, including heavy metal pollution. To explore this potential, we compared concentrations of copper, lead, and zinc in historical and new collections from four sites in Rhode Island, USA. METHODS: We compared historical specimens (1846 to 1916) to congener specimens collected in 2015 at three former industrial sites in Providence, Rhode Island, and one nonindustrial site on Block Island...
January 2017: Applications in Plant Sciences
https://www.readbyqxmd.com/read/28090276/overexpression-of-recombinant-human-teriparatide-rhpth-1-34-in-escherichia-coli-an-innovative-gene-fusion-approach
#18
Nahid Bakhtiari, Zahra Amini Bayat, Sepideh Sagharidouz, Mohsen Vaez
BACKGROUND: Parathyroid hormone is an 84-amino acid peptide secreted by the parathyroid glands. Its physiological role is maintenance of normal serum calcium level and bone remodeling. Biological activity of this hormone is related to N-terminal 1-34 amino acids. The recombinant form of hormone (1-34) has been approved for treatment of osteoporosis from 2002. In this study, a novel fusion partner has been developed for preparation of high yield recombinant 1-34 amino acids of hPTH. METHODS: Novel nucleotide cassette designed encoding a chimeric fusion protein comprising of a fusion partner consisting of a His-tag in N-terminal, 53 amino acids belong to Escherichia coli (E...
January 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28089923/nursing-care-management-of-photodynamic-therapy-in-digestive-tract-carcinomas-at-a-single-cancer-center
#19
Atsushi Nanashima, Koji Nakashima, Hiroshi Kawakami, Shinya Ashizuka, Yoshimasa Kubota
The primary goal of nursing care in cases of endoscopic photodynamic therapy (PDT) for digestive tract carcinoma is to prevent phototoxicity by the intravenous administration of photosensitizers. The adequate protocol and management of patients should be conducted under the instruction of expert physicians. Our experiences of administering porfimer sodium and talaporfin sodium during clinical PDT provide insight regarding the specific management protocol of each photosensitizer during an in-hospital stay. We herein report our nursing protocol based on 15 years of experience...
January 9, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28089896/characterization-and-expression-analysis-of-a-chitinase-gene-pmchi-4-from-black-tiger-shrimp-penaeus-monodon-under-pathogen-infection-and-ambient-ammonia-nitrogen-stress
#20
Kaimin Zhou, Falin Zhou, Jianhua Huang, Qibin Yang, Song Jiang, Lihua Qiu, Lishi Yang, Caiyan Zhu, Shigui Jiang
Chitinase is a multi-gene family, which play important physiological roles in crustaceans, involved in several biological processes, including digestion, molting and defense against viruses. In the present study, a chitinase-4 gene (PmChi-4) was cloned from Penaeus monodon by rapid amplification of cDNA ends (RACE). The full length of PmChi-4 cDNA was 2178 bp, including an 1815 bp open reading frame (ORF) which encoded 604 amino acid residues. The predicted PmChi-4 protein was 67.7 kDa and shared 61%-88% identity with the type of Chi-4s from other crustaceans...
January 9, 2017: Fish & Shellfish Immunology
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