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https://www.readbyqxmd.com/read/29475177/impact-of-pre-procedural-dual-antiplatelet-therapy-on-periprocedural-myocardial-infarction-in-patients-undergoing-percutaneous-coronary-interventions-with-adjunctive-tirofiban
#1
Monica Verdoia, Patrizia Pergolini, Lucia Barbieri, Roberta Rolla, Matteo Nardin, Federica Negro, Harry Suryapranata, Giuseppe De Luca
BACKGROUND: Recent trials have failed to demonstrate any clinical benefit from pre-treatment with dual antiplatelet therapy (DAPT) in patients undergoing percutaneous coronary interventions, (PCI), even in the setting of acute coronary syndrome. However, suboptimal platelet inhibition during (PCI) has been shown to enhance the risk of acute ischemic complications, such as stent thrombosis and periprocedural myocardial infarction (PMI), thus raising the attention on the potential advantages of adjunctive glycoprotein IIbIIIa inhibitors to obviate to the delayed onset of action of oral antiplatelet drugs...
February 15, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29475030/screening-for-protein-adducts-of-naphthalene-and-chrysene-in-plasma-of-exposed-atlantic-cod-gadus-morhua
#2
Karianne S Enerstvedt, Magne O Sydnes, Eivind Larssen, Daniela M Pampanin
Polycyclic aromatic hydrocarbons (PAHs) are well known contaminants, ubiquitously present in the habitat and spawning areas for Atlantic cod (Gadus morhua). The Atlantic cod is a key species and a globally important food source, thus continuous monitoring of PAHs is considered highly valuable to ensure ecosystem sustainability and human food safety. PAH adducts to plasma proteins are applied as sensitive biomarkers of PAH exposure in humans and other species, thus the presence of PAH protein adducts in Atlantic cod plasma was investigated to identify PAH protein adduct biomarker candidates of exposure to PAHs...
February 16, 2018: Chemosphere
https://www.readbyqxmd.com/read/29474740/differences-in-nonclinical-pharmacokinetics-between-species-and-prediction-of-human-pharmacokinetics-of-tak-272-sco-272-a-novel-orally-active-renin-inhibitor
#3
Takuya Ebihara, Mitsuhiro Nishihara, Junzo Takahashi, Fumihiro Jinno, Yoshihiko Tagawa
In the search for orally available drugs, the prediction of human pharmacokinetics (PK) is essential to successfully select compounds that will be clinically useful. This report describes the selection of TAK-272 (SCO-272), a novel orally active renin inhibitor, as a clinical candidate via the detailed investigation of nonclinical PK data and human PK prediction. The bioavailability (BA) of TAK-272 after oral administration to rats and monkeys was low, especially in fasted monkeys, and the systemic exposure of TAK-272 was highly variable in monkeys...
February 23, 2018: Biopharmaceutics & Drug Disposition
https://www.readbyqxmd.com/read/29474602/prospective-cohort-studies-of-beta-trace-protein-and-mortality-in-haemodialysis-patients-and-patients-undergoing-coronary-angiography
#4
Dietmar Enko, Andreas Meinitzer, Hubert Scharnagl, Tatjana Stojakovic, Marcus E Kleber, Graciela E Delgado, Sieglinde Zelzer, Christiane Drechsler, Bernhard K Krämer, Christoph Wanner, Winfried März, Rainer P Woitas
Background: Beta-trace protein (BTP) is a low-molecular-weight glycoprotein, which may serve as an endogenous biomarker of kidney function and cardiovascular risk. Methods: We examined cardiovascular and all-cause mortality according to BTP concentrations in 2962 individuals referred for coronary angiography from the Ludwigshafen Risk and Cardiovascular Health study and in 907 patients with Type 2 diabetes mellitus undergoing haemodialysis from the German Diabetes and Dialysis (4D) study...
February 20, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29474444/epitopes-for-neutralizing-antibodies-induced-by-hiv-1-envelope-glycoprotein-bg505-sosip-trimers-in-rabbits-and-macaques
#5
P J Klasse, Thomas J Ketas, Christopher A Cottrell, Gabriel Ozorowski, Gargi Debnath, Diawoye Camara, Erik Francomano, Pavel Pugach, Rajesh P Ringe, Celia C LaBranche, Marit J van Gils, Christine A Bricault, Dan H Barouch, Shane Crotty, Guido Silvestri, Sudhir Kasturi, Bali Pulendran, Ian A Wilson, David C Montefiori, Rogier W Sanders, Andrew B Ward, John P Moore
The native-like, soluble SOSIP.664 trimer based on the BG505 clade A env gene of HIV-1 is immunogenic in various animal species, of which the most studied are rabbits and rhesus macaques. The trimer induces autologous neutralizing antibodies (NAbs) consistently but at a wide range of titers and with incompletely determined specificities. A precise delineation of immunogenic neutralization epitopes on native-like trimers could help strategies to extend the NAb response to heterologous HIV-1 strains. One autologous NAb epitope on the BG505 Env trimer is known to involve residues lining a hole in the glycan shield that is blocked by adding a glycan at either residue 241 or 289...
February 23, 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29474375/dominance-of-p-glycoprotein-12-in-phenotypic-resistance-conversion-against-ivermectin-in-caenorhabditis-elegans
#6
Luiza Almeida Figueiredo, Thais Fuscaldi Rebouças, Sebastião Rodrigo Ferreira, Gabriela Flavia Rodrigues-Luiz, Rodrigo Cambraia Miranda, Ricardo Nascimento Araujo, Ricardo Toshio Fujiwara
While diseases caused by nematodes remains a considerable drawback for the livestock, agriculture and public health, anthelmintics drug resistance has been observed over the past years and is a major concern for parasite control. Ivermectin, initially considered as a highly potent drug, currently presents a reduced anti-helminthic efficacy, which is influenced by expression of several ATP-binding cassette transporters (ABC), among them the P-glycoproteins (Pgps). Here we present some evidences of Pgps dominance during Ivermectin resistance/susceptibility using Pgps double silencing in C...
2018: PloS One
https://www.readbyqxmd.com/read/29474345/opioid-related-genetic-polymorphisms-do-not-influence-postoperative-opioid-requirement-a-prospective-observational-study
#7
Frédéric Aubrun, Noël Zahr, Olivier Langeron, Nicolas Boccheciampe, Nathalie Cozic, Lisa Belin, Jean-Sebastien Hulot, Frederic Khiami, Bruno Riou
BACKGROUND: Among the various factors that may influence the pharmacological response to opioids, genetic polymorphisms [single nucleotide polymorphisms (SNP)] have generated some interest. OBJECTIVES: To examine the influence on morphine dose requirements and adverse events in the postoperative period of four SNP [opioid receptor mu1 (OPRM1), ATP-binding cassette subfamily B, member 1 (ABCB1) ex-21 and ex-26, catechol-o-methyltransferase (COMT)] in candidate genes involved in morphine pharmacodynamics and pharmacokinetics...
February 22, 2018: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/29474087/thiodigalactoside-bsa-conjugates-as-high-potency-inhibitors-of-ga-lectin-3-an-outstanding-example-of-multivalent-presentation-of-small-molecule-inhibitors
#8
Hao Zhang, Dominic Laaf, Lothar Elling, Roland J Pieters
Galectin inhibitors are urgently needed to understand the mode of action and druggability of different galectins, but potent and selective agents still eludes researchers to date. Small-sized inhibitors based on thiodigalactoside (TDG) have shown their potential while modifications at their C3 position indicated a strategy to improve selectivity and potency. Considering the role of galectins as a glycoprotein traffic police, involved in multivalent bridging interac-tions, we aimed to create multivalent versions of the potent TDG inhibitors...
February 23, 2018: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29473860/carcinoembryonic-antigen-serum-levels-in-nonmelanoma-skin-cancer
#9
Saverio Latteri, Vito Emanuele Catania, Giulia Malaguarnera, Andrea Peri, Gaetano Bertino, Giuseppe Frazzetto, Antonio Maria Borzì, Antonio Biondi, Rosario Emanuele Perrotta, Michele Malaguarnera
BACKGROUND: Carcinoembryonic antigen (CEA) is a glycoprotein, which is present in the foetal colon, some benign conditions and different malignancies, particularly in colon adenocarcinoma. We focused this study on non-melanoma skin cancer (NMSC). NMSC is a common malignancy and it is an important source of morbidity and death in the world. In this study we evaluated whether CEA level increases in NMSC. PATIENTS AND METHODS: A total of 566 patients with non-melanoma skin cancer (NMSC) were enrolled; 286 patients with NMSC showed CEA levels above normal values, and 280 showed CEA levels below normal values...
February 23, 2018: Biomedicines
https://www.readbyqxmd.com/read/29473730/non-catalytic-endosialidase-enables-surface-capture-of-small-cell-lung-cancer-cells-utilizing-strong-dendrimer-mediated-enzyme-glycoprotein-interactions
#10
Hao-Jui Hsu, Helena Palka-Hamblin, Gaurang P Bhide, Ja Hye Myung, Michael Cheong, Karen J Colley, Seungpyo Hong
Enumeration of circulating tumor cells (CTCs) of small-cell lung cancer (SCLC) patients has been shown to predict the disease progress and long-term survival. Most CTC detection methods rely on epithelial surface markers, such as epithelial cell adhesion molecule (EpCAM). However, this marker in SCLC is reported to be often downregulated after a variety of phenotypic changes, which impairs the reliability of EpCAM-based CTC detections. In this regard, the development of an alternative CTC detection method involving different CTC surface markers is in demand...
February 23, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29473327/epidemiological-investigation-of-pseudorabies-in-shandong-province-from-2013-to-2016
#11
J Gu, D Hu, T Peng, Y Wang, Z Ma, Z Liu, F Meng, Y Shang, S Liu, Y Xiao
In late 2011, a variant pseudorabies virus (vPRV) emerged in Bartha-K61-vaccinated pig herds, resulting in high morbidity and mortality of piglets in China. Since 2013, the autopsy lesions, histological examinations, virus isolation, phylogenetic analysis and selection pressure analysis of the gE gene of vPRV were recorded for 395 clinical cases, and 5,033 pig serum samples were detected by PRV gE-coated enzyme-linked immunosorbent assay. The major clinical symptoms were abortion in pregnant sows, fatal neurological signs in piglets and respiratory disease in growing pigs...
February 22, 2018: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29472693/a-new-allele-of-the-brachytic2-gene-in-maize-can-efficiently-modify-plant-architecture
#12
Lai Wei, Xuan Zhang, Zhihai Zhang, Huanhuan Liu, Zhongwei Lin
The applications of semi-dwarf genes such as sd1 and Rht1 in rice and wheat resulted in the first "green revolution" in the 1960s. However, such semi-dwarf genes that can efficiently reduce plant stature and have few negative yield traits have not yet been identified in maize. In this study, a new allele of Brachytic2 gene (qpa1) encoding P-glycoprotein was rapidly fine-mapped using a modified method. The qpa1, containing a 241-bp deletion in the last exon, had no negative effect on yield, but greatly modified the plant architecture including significantly reduced plant height and ear height, increased stalk diameter and erected leaf...
February 23, 2018: Heredity
https://www.readbyqxmd.com/read/29472230/platelets-drive-thrombus-propagation-in-a-hematocrit-and-glycoprotein-vi-dependent-manner-in-an-in-vitro-venous-thrombosis-model
#13
Marcus Lehmann, Rogier M Schoeman, Patrick J Krohl, Alison M Wallbank, Joseph R Samaniuk, Martine Jandrot-Perrus, Keith B Neeves
OBJECTIVE: The objective of this study was to measure the role of platelets and red blood cells on thrombus propagation in an in vitro model of venous valvular stasis. APPROACH AND RESULTS: A microfluidic model with dimensional similarity to human venous valves consists of a sinus distal to a sudden expansion, where for sufficiently high Reynolds numbers, 2 countercurrent vortices arise because of flow separation. The primary vortex is defined by the points of flow separation and reattachment...
February 22, 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29471880/-18-f-fspg-pet-reveals-increased-cystine-glutamate-antiporter-xc-activity-in-a-mouse-model-of-multiple-sclerosis
#14
Aileen Hoehne, Michelle L James, Israt S Alam, John A Ronald, Bernadette Schneider, Aloma D'Souza, Timothy H Witney, Lauren E Andrews, Haley C Cropper, Deepak Behera, Gayatri Gowrishankar, Zhaoqing Ding, Tony Wyss-Coray, Frederick T Chin, Sandip Biswal, Sanjiv S Gambhir
BACKGROUND: The cystine/glutamate antiporter (xc-) has been implicated in several neurological disorders and, specifically, in multiple sclerosis (MS) as a mediator of glutamate excitotoxicity and proinflammatory immune responses. We aimed to evaluate an xc-specific positron emission tomography (PET) radiotracer, (4S)-4-(3-[18 F]fluoropropyl)-L-glutamate ([18 F]FSPG), for its ability to allow non-invasive monitoring of xc- activity in a mouse model of MS. METHODS: Experimental autoimmune encephalomyelitis (EAE) was induced in C57BL/6 mice by subcutaneous injection of myelin oligodendrocyte glycoprotein (MOG35-55 ) peptide in complete Freund's adjuvant (CFA) followed by pertussis toxin...
February 22, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29471356/characterization-of-p57-a-stage-specific-antigen-of-pneumocystis-murina
#15
Lisa R Bishop, A Sally Davis, Kaitlynn Bradshaw, Monica Gamez, Ousmane H Cisse, Honghui Wang, Liang Ma, Joseph A Kovacs
Pneumocystis has a large multi-copy gene family encoding proteins related to the major surface glycoprotein (Msg) whose functions are largely unknown. We expressed one such protein of P. murina, p57, that is encoded by 3 highly conserved genes, and demonstrated by immunoblot that immunocompetent mice immunized with crude Pneumocystis antigens or that had cleared Pneumocystis infection developed antibodies to p57. Using hyper-immune anti-p57 serum combined with immunolabeling, we found that small trophic forms as well as intracystic bodies expressed p57, while it was not expressed on larger trophic forms or externally by cysts...
February 17, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29470989/redox-exchange-of-the-disulfides-of-human-two-domain-cd4-regulates-the-conformational-dynamics-of-each-domain-providing-insight-into-its-mechanisms-of-control
#16
Gavin R Owen, Doris Le, Stoyan Stoychev, Nichole M Cerutti, Maria Papathanasopoulos
CD4, a membrane glycoprotein expressed by specific leukocytes, plays a vital role in the human immune response and acts as a primary receptor for HIV entry. Of its four ecto-domains (D1-D4), D1, D2, and D4 each contain a distinctive disulfide bond. Whereas the disulfides of D1 and D4 are more traditional in nature, providing structural functions, that of D2 is referred to as an "allosteric" disulfide due to its high dihedral strain energy and relative ease of reduction that is thought to regulate CD4 structure and function by shuffling its redox state...
February 19, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29470604/cathepsin-h-deficiency-in-mice-induces-excess-th1-cell-activation-and-early-onset-of-eae-though-impairment-of-toll-like-receptor-3-cascade
#17
Ryo Okada, Xinwen Zhang, Yuka Harada, Zhou Wu, Hiroshi Nakanishi
OBJECTIVE: The objective of this study is to investigate the role of cathepsin H (CatH), a lysosomal cysteine protease, in the development of experimental autoimmune encephalomyelitis (EAE), an animal model of multiple sclerosis. METHODS: EAE was induced in CatH-deficient mice (CatH-/- ) and wild-type littermates (+/+) using myelin oligodendrocyte glycoprotein (MOG) 35-55. The effects of CatH deficiency were determined by clinical scoring, mRNA expression levels of Tbx21, Rorc and FoxP3, protein levels of poly(I:C)-induced toll-like receptor 3 (TLR3) and phosphorylation of IRF3, and secretion of interferon-β (IFN-β) by splenocytes...
February 22, 2018: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/29470571/prevalence-of-myelin-oligodendrocyte-glycoprotein-and-aquaporin-4-igg-in-patients-in-the-optic-neuritis-treatment-trial
#18
John J Chen, W Oliver Tobin, Masoud Majed, Jiraporn Jitprapaikulsan, James P Fryer, Jacqueline A Leavitt, Eoin P Flanagan, Andrew McKeon, Sean J Pittock
Importance: Autoantibodies to aquaporin-4 (AQP4) and myelin oligodendrocyte glycoprotein (MOG) are recently established biomarkers of autoimmune optic neuritis whose frequency and accompanying phenotype, especially for MOG-IgG, are still being characterized. The Optic Neuritis Treatment Trial (ONTT) was a well-known randomized clinical trial in optic neuritis; therefore, knowledge of the serostatus and accompanying phenotype of these patients would be useful to determine the frequency of these antibodies in patients presenting with typical monocular optic neuritis and their outcomes...
February 22, 2018: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29470425/major-histocompatibility-complex-and-hematopoietic-stem-cell-transplantation-beyond-the-classical-hla-polymorphism
#19
REVIEW
Alice Bertaina, Marco Andreani
Allogeneic hematopoietic stem cell transplantation (HSCT) represents a curative treatment for many patients with hematological malignant or non-malignant disorders. Evaluation of potential donors for HSCT includes a rigorous assessment of the human leukocyte antigens (HLA) match status of family members, and the identification of suitable unrelated donors. Genes encoding transplantation antigens are placed both within and outside the major histocompatibility complex (MHC). The human MHC is located on the short arm of chromosome 6 and contains a series of genes encoding two distinct types of highly polymorphic cell surface glycoproteins...
February 22, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29469229/hypolipidemic-and-antioxidant-properties-of-oryzanol-concentrate-in-reducing-diabetic-nephropathy-via-srebp1-down-regulation-rather-than-beta-oxidation
#20
G Bhaskaragoud, V Geetha, T Sharanappa, A S Mohan Kumar, C Hema Kumar, G Suresh Kumar
SCOPE: Diabetic nephropathy (DN) is a micro-vascular complication of chronic diabetes. Sterol regulatory element binding protein1 (SREBP1) participation in the development of DN is reported. Oryzanol Concentrate (OC) at 0.1 and 0.3% was tested for its antioxidant and hypolipidemic effects. The aim of the work was to study the involvement of OC in the amelioration of DN in STZ induced diabetic animal model. METHODS AND RESULTS: Animals were grouped into Starch, High fat and OC treated control/diabetic groups (SFC/SFD, HFC/HFD, OFC/OFD)...
February 22, 2018: Molecular Nutrition & Food Research
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