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https://www.readbyqxmd.com/read/27901389/population-pharmacokinetics-of-a-single-dose-of-meloxicam-after-oral-and-intramuscular-administration-to-captive-lesser-flamingos-phoeniconaias-minor
#1
Martín A Zordan, Mark G Papich, Ashley A Pich, Katy M Unger, Carlos R Sánchez
OBJECTIVE To determine the pharmacokinetics of a single dose of meloxicam after IM and oral administration to healthy lesser flamingos (Phoeniconaias minor) by use of a population approach. ANIMALS 16 healthy captive lesser flamingos between 1 and 4 years of age. PROCEDURES A single dose of meloxicam (0.5 mg/kg) was administered IM to each bird, and blood samples were collected from birds at 3 (n = 13 birds), 2 (2), or 1 (1) selected point between 0 and 13 hours after administration, with samples collected from birds at each point...
December 2016: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/27899582/the-zebrafish-model-organism-database-new-support-for-human-disease-models-mutation-details-gene-expression-phenotypes-and-searching
#2
Douglas G Howe, Yvonne M Bradford, Anne Eagle, David Fashena, Ken Frazer, Patrick Kalita, Prita Mani, Ryan Martin, Sierra Taylor Moxon, Holly Paddock, Christian Pich, Sridhar Ramachandran, Leyla Ruzicka, Kevin Schaper, Xiang Shao, Amy Singer, Sabrina Toro, Ceri Van Slyke, Monte Westerfield
The Zebrafish Model Organism Database (ZFIN; http://zfin.org) is the central resource for zebrafish (Danio rerio) genetic, genomic, phenotypic and developmental data. ZFIN curators provide expert manual curation and integration of comprehensive data involving zebrafish genes, mutants, transgenic constructs and lines, phenotypes, genotypes, gene expressions, morpholinos, TALENs, CRISPRs, antibodies, anatomical structures, models of human disease and publications. We integrate curated, directly submitted, and collaboratively generated data, making these available to zebrafish research community...
November 28, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27895398/dysregulation-of-innate-immunity-in-ulcerative-colitis-patients-who-fail-anti-tumor-necrosis-factor-therapy
#3
Angela C Baird, Dominic Mallon, Graham Radford-Smith, Julien Boyer, Thierry Piche, Susan L Prescott, Ian C Lawrance, Meri K Tulic
AIM: To study the innate immune function in ulcerative colitis (UC) patients who fail to respond to anti-tumor necrosis factor (TNF) therapy. METHODS: Effects of anti-TNF therapy, inflammation and medications on innate immune function were assessed by measuring peripheral blood mononuclear cell (PBMC) cytokine expression from 18 inflammatory bowel disease patients pre- and 3 mo post-anti-TNF therapy. Toll-like receptor (TLR) expression and cytokine production post TLR stimulation was assessed in UC "responders" (n = 12) and "non-responders" (n = 12) and compared to healthy controls (n = 12)...
November 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27860399/toxin-a-of-the-nosocomial-pathogen-clostridium-difficile-induces-primary-effects-in-the-proteome-of-hep-2-cells
#4
Johannes Junemann, Gurbet Birgin, Jelena Erdmann, Anke Schröder, Ingo Just, Ralf Gerhard, Andreas Pich
PURPOSE: This study was carried out to investigate the impact of high concentrations of Clostridium difficile toxin A (TcdA) on the proteome of human cells. It should also be examined whether a catalytically deficient mutant (TcdANXN ) has an effect on target cells. EXPERIMENTAL DESIGN: Proteome changes were investigated after treatment of HEp-2 cells with 20 nM TcdA for 8 h using a triplex SILAC labeling method and shotgun proteomics. Proteins from differently labeled and treated cells were combined for analysis using an HPLC coupled to an Orbitrap mass spectrometer...
November 10, 2016: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/27850876/1240-improving-recognition-and-management-of-delirium-in-the-medical-intensive-care-unit
#5
Lisa Daniels, John Park, James Skiba, Shannon Piche, Sarah Nelson, Jennifer Elmer, Catherine Bowron
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27849816/173-baseline-thromboelastogram-as-a-predictor-of-left-ventricular-assist-device-thrombosis
#6
Shannon Piche, Scott Nei, Erin Frazee, Sarah Schettle, Barry Boilson, Ross Dierkhising, John Stulak
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27822507/traumatic-brain-injury-stimulates-neural-stem-cell-proliferation-via-mammalian-target-of-rapamycin-signaling-pathway-activation
#7
Xiaoting Wang, Pich Seekaew, Xiang Gao, Jinhui Chen
Neural stem cells in the adult brain possess the ability to remain quiescent until needed in tissue homeostasis or repair. It was previously shown that traumatic brain injury (TBI) stimulated neural stem cell (NSC) proliferation in the adult hippocampus, indicating an innate repair mechanism, but it is unknown how TBI promotes NSC proliferation. In the present study, we observed dramatic activation of mammalian target of rapamycin complex 1 (mTORC1) in the hippocampus of mice with TBI from controlled cortical impact (CCI)...
September 2016: ENeuro
https://www.readbyqxmd.com/read/27808281/surface-bound-bovine-serum-albumin-carrier-protein-as-present-in-recombinant-cytokine-preparations-amplifies-t-helper-17-cell-polarization
#8
Lei Dong, Alexandra Helmke, Ari Waisman, Hermann Haller, Andreas Pich, Sibylle von Vietinghoff
Understanding of T helper 17 lineage (TH17) polarization has been significantly promoted by cell culture experiments that reduce the complexity of the in vivo environment. We here investigated TH17 amplification by coating of cytokine preparations. Cytokine preparations coated to the surface compared to the same amount given in solution significantly enhanced TH17 polarization assessed by flow cytometry and interleukin (IL)-17A, IL-17F and RORγt mRNA expression. T cell proliferation and TH1 polarization were similarly enhanced while TREG polarization was impeded...
November 3, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27783666/physiological-and-psychological-predictors-of-short-term-disability-in-workers-with-a-history-of-low-back-pain-a-longitudinal-study
#9
Jean-Daniel Dubois, Vincent Cantin, Mathieu Piché, Martin Descarreaux
Despite an elusive pathophysiology, common characteristics are often observed in individuals with chronic low back pain (LBP). These include psychological symptoms, altered pain perception, altered pain modulation and altered muscle activation. These factors have been explored as possible determinants of disability, either separately or in cross-sectional studies, but were never assessed in a single longitudinal study. Therefore, the objective was to determine the relative contribution of psychological and neurophysiological factors to future disability in individuals with past LBP...
2016: PloS One
https://www.readbyqxmd.com/read/27713018/use-of-phylogenetical-analysis-to-predict-susceptibility-of-pathogenic-candida-spp-to-antifungal-drugs
#10
Andrée F Maheux, Adnane Sellam, Yves Piché, Maurice Boissinot, René Pelletier, Dominique K Boudreau, François J Picard, Hélène Trépanier, Marie-Josée Boily, Marc Ouellette, Paul H Roy, Michel G Bergeron
Successful treatment of a Candida infection relies on 1) an accurate identification of the pathogenic fungus and 2) on its susceptibility to antifungal drugs. In the present study we investigated the level of correlation between phylogenetical evolution and susceptibility of pathogenic Candida spp. to antifungal drugs. For this, we compared a phylogenetic tree, assembled with the concatenated sequences (2475-bp) of the ATP2, TEF1, and TUF1 genes from 20 representative Candida species, with published minimal inhibitory concentrations (MIC) of the four principal antifungal drug classes commonly used in the treatment of candidiasis: polyenes, triazoles, nucleoside analogues, and echinocandins...
October 3, 2016: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/27642652/tunable-enzymatic-activity-and-enhanced-stability-of-cellulase-immobilized-in-biohybrid-nanogels
#11
Huan Peng, Kristin Rübsam, Felix Jakob, Ulrich Schwaneberg, Andrij Pich
This paper reports a facile approach for encapsulation of enzymes in nanogels. Our approach is based on the use of reactive copolymers able to get conjugated with enzyme and build 3D colloidal networks or biohybrid nanogels. In a systematic study we address the question: how the chemical structure of nanogel network influences the biocatalytic activity of entrapped enzyme? The developed method allows precise control of the enzyme activity and improvement of enzyme resistance against harsh store conditions, chaotropic agents and organic solvents...
September 19, 2016: Biomacromolecules
https://www.readbyqxmd.com/read/27642077/reduced-serotonin-synthesis-and-regional-cerebral-blood-flow-after-anxiolytic-treatment-of-social-anxiety-disorder
#12
Andreas Frick, Fredrik Åhs, Lieuwe Appel, My Jonasson, Kurt Wahlstedt, Massimo Bani, Emilio Merlo Pich, Paolo Bettica, Bengt Långström, Mark Lubberink, Mats Fredrikson, Tomas Furmark
Social anxiety disorder (SAD) is associated with increased fear-related neural activity in the amygdala and we recently found enhanced serotonin synthesis rate in the same region. Anxiolytic agents like selective serotonin re-uptake inhibitors (SSRIs) and neurokinin-1 receptor (NK1R) antagonists reduce amygdala activity and may attenuate serotonin formation according to animal studies. Here, we examined the effects of SSRI pharmacotherapy, NK1R antagonism, and placebo on serotonin synthesis rate in relation to neural activity, measured as regional cerebral blood flow (rCBF), and symptom improvement in SAD...
September 15, 2016: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27628936/reversible-deactivation-of-enzymes-by-redox-responsive-nanogel-carriers
#13
Huan Peng, Kristin Rübsam, Felix Jakob, Patrizia Pazdzior, Ulrich Schwaneberg, Andrij Pich
Novel redox-responsive polymeric nanogels that allow highly efficient enzyme encapsulation and reversible modulation of enzyme activity are developed. The nanogel synthesis and encapsulation of enzyme are performed simultaneously via in situ crosslinking of pyridyldisulfide-functionalized water-soluble reactive copolymers, which are synthesized via reversible addition-fragmentation chain transfer copolymerization. Obtained nanogels with loaded cellulase demonstrate very good colloidal stability in aqueous solutions...
September 15, 2016: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/27616679/regulatory-properties-of-statins-and-rho-gtpases-prenylation-inhibitiors-to-stimulate-melanoma-immunogenicity-and-promote-anti-melanoma-immune-response
#14
Guillaume Sarrabayrouse, Christine Pich, Iotefa Teiti, Anne Françoise Tilkin-Mariame
Melanoma is a highly lethal cutaneous tumor, killing affected patients through development of multiple poorly immunogenic metastases. Suboptimal activation of immune system by melanoma cells is often due to molecular modifications occurring during tumor progression that prevent efficient recognition of melanoma cells by immune effectors. Statins are HMG-CoA reductase inhibitors, which block the mevalonate synthesis pathway, used by millions of people as hypocholesterolemic agents in cardiovascular and cerebrovascular diseases...
September 12, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27613122/ccl18-from-ascites-promotes-ovarian-cancer-cell-migration-through-proline-rich-tyrosine-kinase-2-signaling
#15
Denis Lane, Isabelle Matte, Claude Laplante, Perrine Garde-Granger, Alex Carignan, Paul Bessette, Claudine Rancourt, Alain Piché
BACKGROUND: Ovarian cancer (OC) ascites consist in a proinflammatory tumor environment that is characterized by the presence of various cytokines, chemokines and growth factors. The presence of these inflammatory-related factors in ascites is associated with a more aggressive tumor phenotype. CCL18 is a member of CCL chemokines and its expression has been associated with poor prognosis in some cancers. However, its role in OC progression has not been established. Therefore, the aim of the current study was to elucidate the role of ascites CCL18 in OC progression...
2016: Molecular Cancer
https://www.readbyqxmd.com/read/27612856/mesothelial-cells-interact-with-tumor-cells-for-the-formation-of-ovarian-cancer-multicellular-spheroids-in-peritoneal-effusions
#16
Isabelle Matte, Clara Major Legault, Perrine Garde-Granger, Claude Laplante, Paul Bessette, Claudine Rancourt, Alain Piché
Epithelial ovarian cancer (EOC) dissemination is primarily mediated by the shedding of tumor cells from the primary site into ascites where they form multicellular spheroids that rapidly lead to peritoneal carcinomatosis. While the clinical importance and fundamental role of multicellular spheroids in EOC is increasingly appreciated, the mechanisms that regulate their formation and dictate their cellular composition remain poorly characterized. To investigate these important questions, we characterized spheroids isolated from ascites of women with EOC...
December 2016: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/27565185/pich-promotes-mitotic-chromosome-segregation-identification-of-a-novel-role-in-rdna-disjunction
#17
Christian F Nielsen, Ian D Hickson
PICH is an SNF2-family DNA translocase that appears to play a role specifically in mitosis. Characterization of PICH in human cells led to the initial discovery of "ultra-fine DNA bridges" (UFBs) that connect the 2 segregating DNA masses in the anaphase of mitosis. These bridge structures, which arise from specific regions of the genome, are a normal feature of anaphase but had escaped detection previously because they do not stain with commonly used DNA dyes. Nevertheless, UFBs are important for genome maintenance because defects in UFB resolution can lead to cytokinesis failure...
October 17, 2016: Cell Cycle
https://www.readbyqxmd.com/read/27541158/igneous-phosphate-rock-solubilization-by-biofilm-forming-mycorrhizobacteria-and-hyphobacteria-associated-with-rhizoglomus-irregulare-daom-197198
#18
Salma Taktek, Marc St-Arnaud, Yves Piché, J André Fortin, Hani Antoun
Biofilm formation on abiotic and biotic surfaces was studied with two hyphobacteria, strongly attached to the surface of the arbuscular mycorrhizal fungus (AMF) Rhizoglomus irregulare (Ri) DAOM 197198 and two mycorrhizobacteria, loosely attached to the roots of different mycorrhizal plants. When the sparingly soluble igneous phosphate rock (PR) from Quebec, or when the chemical hydroxyapatite were used as sole phosphorus (P) source, hyphobacteria Rhizobium miluonense Rm3 and Burkholderia anthina Ba8 produced significantly more biofilms than mycorrhizobacteria Rahnella sp...
August 19, 2016: Mycorrhiza
https://www.readbyqxmd.com/read/27509936/prevalence-of-abnormal-cervical-cytology-in-hivnegative-women-participating-in-a-cervical-cancer-screening-program-in-calmette-hospital-cambodia
#19
Monirath Hav, Sokha Eav, Nicole Heang, Pintuna Pich, Davy Lim, Vitou Leang, Aun Korn, Sanine Lay, Michel Pluot, Leangsim Kruy
Prevalence of Abnormal Cervical Cytology in HIVNegative Women Participating in a Cervical Cancer Screening Program in Calmette Hospital, Cambodia.
2016: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/27487930/characterization-of-the-ntpr-and-bd1-interacting-domains-of-the-human-pich-bend3-complex
#20
Ganesha P Pitchai, Ian D Hickson, Werner Streicher, Guillermo Montoya, Pablo Mesa
Chromosome integrity depends on DNA structure-specific processing complexes that resolve DNA entanglement between sister chromatids. If left unresolved, these entanglements can generate either chromatin bridging or ultrafine DNA bridging in the anaphase of mitosis. These bridge structures are defined by the presence of the PICH protein, which interacts with the BEND3 protein in mitosis. To obtain structural insights into PICH-BEND3 complex formation at the atomic level, their respective NTPR and BD1 domains were cloned, overexpressed and crystallized using 1...
August 2016: Acta Crystallographica. Section F, Structural Biology Communications
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