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https://www.readbyqxmd.com/read/28817198/valuable-antibody-detection-method-for-classifying-hepatitis-e-virus-genotypes
#1
Chenyan Zhao, Yansheng Geng, Weijing Huang, Hongxia Ma, Youchun Wang
Nucleotide-based methods are conventionally used to classify the hepatitis E virus (HEV) genotypes. A serological enzyme immunoassay (EIA) using open reading frame 3 (ORF3) C-terminal peptides was developed to conveniently and accurately classify and evaluate the genotypes of HEV. The sera of mice immunized with HEV genotype 1, 3 and 4 reacted highly specifically to the peptides of the corresponding genotypes. Most (84.2%) clinical sera infected with HEV genotype 4 were positive for anti-HEV antibodies when tested with the ORF3 peptides of genotype 4, but were negative for genotypes 1 and 3...
August 17, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28816622/obtention-and-characterization-of-the-recombinant-simian-interleukin-15-in-escherichia-coli-for-the-preclinical-assessment-of-an-il-15-based-therapeutic-vaccine
#2
Yunier Rodríguez-Álvarez, Klaudia Martínez-Cordovez, Alexey Llopiz-Arzuaga, Yassel Ramos-Pérez, Vladimir Besada-Pérez, Dayana García-Lines, Alicia Santos-Savio
Recombinant simian IL-15 (siIL-15) was obtained for the preclinical assessment of an anti-human IL-15 vaccine. For this purpose, the cDNA from peripheral blood mononuclear cells of a Macaca fascicularis monkey was cloned into a pIL-2 vector. The siIL-15 was expressed in E. coli strain W3110 as an insoluble protein which accounted for 13% of the total cellular proteins. Inclusion bodies were solubilized in an 8 M urea solution, which was purified by ion exchange and reverse phase chromatography up to 92% purity...
August 17, 2017: Preparative Biochemistry & Biotechnology
https://www.readbyqxmd.com/read/28815961/from-monkeys-to-modeling-the-2017-meetings-of-the-paleoanthropology-society
#3
Jamie Hodgkins
No abstract text is available yet for this article.
July 2017: Evolutionary Anthropology
https://www.readbyqxmd.com/read/28815446/a-human-pet-study-of-11-c-hms011-a-potential-radioligand-for-ampa-receptors
#4
Keisuke Takahata, Yasuyuki Kimura, Chie Seki, Masaki Tokunaga, Masanori Ichise, Kazunori Kawamura, Maiko Ono, Soichiro Kitamura, Manabu Kubota, Sho Moriguchi, Tatsuya Ishii, Yuhei Takado, Fumitoshi Niwa, Hironobu Endo, Tomohisa Nagashima, Yoko Ikoma, Ming-Rong Zhang, Tetsuya Suhara, Makoto Higuchi
BACKGROUND: α-Amino-3-hydroxy-5-methyl-4-isoxazole propionate (AMPA) receptor is a primary mediator of fast glutamatergic excitatory signaling in the brain and has been implicated in diverse neuropsychiatric diseases. We recently developed a novel positron emission tomography (PET) ligand, 2-(1-(3-([(11)C]methylamino)phenyl)-2-oxo-5-(pyrimidin-2-yl)-1,2-dihydropyridin-3-yl) benzonitrile ([(11)C]HMS011). This compound is a radiolabelled derivative of perampanel, an antiepileptic drug acting on AMPA receptors, and was demonstrated to have promising in vivo properties in the rat and monkey brains...
August 16, 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28815392/strategy-for-cyp3a-induction-risk-assessment-from-preclinical-signal-to-human-a-case-example-of-a-late-stage-discovery-compound
#5
Jialin Mao, Peter Fan, Susan Wong, Jianshuang Wang, Moulay Hicham Alaoui Ismaili, Brian Dean, Cornelis E C A Hop, Matthew Wright, Yuan Chen
PURPOSE: The exposure of G2917 decreased by four-fold at oral doses of 100 mg/kg twice daily for seven days in cynomolgus monkeys. Additional investigative work was conducted to understand: (1) the causes for the significant reduction in G2917 exposure in monkeys; (2) the extrapolation of in vitro induction data to in vivo findings in monkeys, and (3) the relevance of this pre-clinical finding to humans at the projected human efficacious dose. METHODS: Pharmacokinetic and induction potency (in vitro and in vivo) of G2917 in monkeys, and the in vitro human induction potency were studied...
August 16, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28814515/fdg-uptake-in-lymphoid-tissue-serves-as-a-predictor-of-disease-outcome-in-the-nonhuman-primate-model-of-monkeypox-infection
#6
Julie Dyall, Reed F Johnson, Svetlana Chefer, Christopher Leyson, David Thomasson, Jurgen Seidel, Dan R Ragland, Russell Byrum, Catherine Jett, Jennifer A Cann, Marisa St Claire, Elaine Jagoda, Richard C Reba, Dima Hammoud, Joseph E Blaney, Peter B Jahrling
Real-time bioimaging of infectious disease processes may aid countermeasure development and lead to an improved understanding of pathogenesis. However, few studies have identified biomarkers for monitoring infections using in vivo imaging. Previously, we demonstrated that positron emission tomography/computed tomography (PET/CT) imaging with [(18)F]-fluorodeoxyglucose (FDG) can monitor monkeypox disease progression in vivo in nonhuman primates (NHPs). In this study, we investigated [(18)F]-FDG-PET/CT imaging of immune processes in lymphoid tissues to identify patterns of inflammation in the monkepox NHP model and to determine the value of [(18)F]-FDG-PET/CT as a biomarker for disease and treatment outcomes...
August 16, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28813514/the-helicobacter-pylori-type-iv-secretion-system-promotes-il-8-synthesis-in-a-model-of-pediatric-airway-epithelium-via-p38-map-kinase
#7
Myra G Dela Pena-Ponce, Monica T Jimenez, Lori M Hansen, Jay V Solnick, Lisa A Miller
Epidemiologic studies have reported an inverse relationship between childhood Helicobacter pylori infection and development of allergic asthma. Because lung epithelium plays an important role in allergic asthma pathogenesis, we hypothesized that H. pylori may directly influence airway epithelial cell innate immune function, particularly in early childhood. To test our hypothesis, we established an in vitro H. pylori infection model using primary tracheobronchial epithelial cell cultures derived from infant, juvenile and adult rhesus monkeys...
2017: PloS One
https://www.readbyqxmd.com/read/28811745/inhibition-of-inflammation-mediated-through-the-tumor-necrosis-factor-%C3%AE-biochemical-pathway-can-lead-to-favorable-outcomes-in-alzheimer-disease
#8
REVIEW
Daniah Shamim, Michael Laskowski
Tumor necrosis factor α (TNF-α) inhibitors have long been used as disease-modifying agents in immune disorders. Recently, research has shown a role of chronic neuroinflammation in the pathophysiology of neurodegenerative diseases such as Alzheimer disease, and interest has been generated in the use of anti-TNF agents and TNF-modulating agents for prevention and treatment. This article extensively reviewed literature on animal studies testing these agents. The results showed a role for direct and indirect TNF-α inhibition through agents such as thalidomide, 3,6-dithiothalidomide, etanercept, infliximab, exendin-4, sodium hydrosulfide, minocycline, imipramine, and atorvastatin...
2017: Journal of Central Nervous System Disease
https://www.readbyqxmd.com/read/28811605/spatial-and-viewpoint-selectivity-for-others-observed-actions-in-monkey-ventral-premotor-mirror-neurons
#9
Monica Maranesi, Alessandro Livi, Luca Bonini
The spatial location and viewpoint of observed actions are closely linked in natural social settings. For example, actions observed from a subjective viewpoint necessarily occur within the observer's peripersonal space. Neurophysiological studies have shown that mirror neurons (MNs) of the monkey ventral premotor area F5 can code the spatial location of live observed actions. Furthermore, F5 MN discharge can also be modulated by the viewpoint from which filmed actions are seen. Nonetheless, whether and to what extent MNs can integrate viewpoint and spatial location of live observed actions remains unknown...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811166/biomechanical-implications-of-cortical-elastic-properties-of-the-macaque-mandible
#10
Paul C Dechow, Olga Panagiotopoulou, Poorva Gharpure
Knowledge of the variation in the elastic properties of mandibular cortical bone is essential for modeling bone function. Our aim was to characterize the elastic properties of rhesus macaque mandibular cortical bone and compare these to the elastic properties from mandibles of dentate humans and baboons. Thirty cylindrical samples were harvested from each of six adult female rhesus monkey mandibles. Assuming orthotropy, axes of maximum stiffness in the plane of the cortical plate were derived from ultrasound velocity measurements...
June 17, 2017: Zoology: Analysis of Complex Systems, ZACS
https://www.readbyqxmd.com/read/28811044/learning-how-to-teach-one-a-needs-assessment-of-the-state-of-faculty-development-within-the-consortium-of-the-american-college-of-surgeons-accredited-education-institutes
#11
John T Paige, Nehal N Khamis, Jeffrey B Cooper
BACKGROUND: Developing faculty competencies in curriculum development, teaching, and assessment using simulation is critical for the success of the Consortium of the American College of Surgeons Accredited Education Institutes program. The state of and needs for faculty development in the Accredited Education Institute community are unknown currently. The Faculty Development Committee of the Consortium of the Accredited Education Institutes conducted a survey of Accredited Education Institutes to ascertain what types of practices are used currently, with what frequency, and what needs are perceived for further programs and courses to guide the plan of action for the Faculty Development Committee...
August 12, 2017: Surgery
https://www.readbyqxmd.com/read/28810713/co-opted-megasatellite-dna-drives-evolution-of-secondary-night-vision-in-azara-s-owl-monkey
#12
Akihiko Koga, Hideyuki Tanabe, Yuriko Hirai, Hiroo Imai, Masanori Imamura, Takao Oishi, Roscoe Stanyon, Hirohisa Hirai
Owl monkeys (genus Aotus) are the only taxon in simian primates that consists of nocturnal or otherwise cathemeral species. Their night vision is superior to that of other monkeys, apes, and humans but not as good as that of typical nocturnal mammals. This incomplete night vision has been used to conclude that these monkeys only secondarily adapted to a nocturnal lifestyle, or to their cathemeral lifestyle that involves high night-time activity. It is known that the rod cells of many nocturnal mammals possess a unique nuclear architecture in which heterochromatin is centrally located...
July 1, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28809436/anatomical-description-of-the-main-vessels-for-venipuncture-in-the-black-striped-capuchin-monkey-sapajus-libidinosus-silva-junior-2002
#13
Ana Y F La Salles, Jefferson F Cordeiro, José R S Santos, Artur N Carreiro, Gildenor X Medeiros, Danilo J A Menezes
BACKGROUND: The scarcity of data on the anatomy of Sapajus libidinosus has impeded the execution for appropriate veterinary treatment. The objective of this study was to describe the main peripheral veins of the capuchin monkey, used in venipuncture and indicate the best access route for venipuncture procedures. METHODS: Ten S. libidinosus corpses were used. The face, neck, chest, and pelvic limb were dissected using surgical instruments to identify and locate surface vessels...
August 15, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28808917/development-of-a-translational-physiologically-based-pharmacokinetic-model-for-antibody-drug-conjugates-a-case-study-with-t-dm1
#14
Antari Khot, Jay Tibbitts, Dan Rock, Dhaval K Shah
Systems pharmacokinetic (PK) models that can characterize and predict whole body disposition of antibody-drug conjugates (ADCs) are needed to support (i) development of reliable exposure-response relationships for ADCs and (ii) selection of ADC targets with optimal tumor and tissue expression profiles. Towards this goal, we have developed a translational physiologically based PK (PBPK) model for ADCs, using T-DM1 as a tool compound. The preclinical PBPK model was developed using rat data. Biodistribution of DM1 in rats was used to develop the small molecule PBPK model, and the PK of conjugated trastuzumab (i...
August 14, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28808619/gastrointestinal-parasites-in-captive-and-free-ranging-cebus-albifrons-in-the-western-amazon-ecuador
#15
Sarah Martin-Solano, Gabriel A Carrillo-Bilbao, William Ramirez, Maritza Celi-Erazo, Marie-Claude Huynen, Bruno Levecke, Washington Benitez-Ortiz, Bertrand Losson
Currently, there is a lack of surveys that report the occurrence of gastrointestinal parasites in the white-headed capuchin monkey (Cebus albifrons). We therefore assessed the presence and richness (= number of different parasite genera) of parasites in C. albifrons in wildlife refuges (n = 11) and in a free-ranging group near a human village (n = 15) in the Ecuadorian Amazon. In the 78 samples collected (median of 3 samples per animal), we identified a total of 6 genera of gastrointestinal parasites, representing protozoa, nematodes, acanthocephalans and cestodes...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28806913/proteomics-informed-by-transcriptomics-for-characterising-differential-cellular-susceptibility-to-nelson-bay-orthoreovirus-infection
#16
Lawrence Mok, James W Wynne, Mary Tachedjian, Brian Shiell, Kris Ford, David A Matthews, Antony Bacic, Wojtek P Michalski
BACKGROUND: Nelson Bay orthoreovirus (NBV) is a fusogenic bat borne virus with an unknown zoonotic potential. Previous studies have shown that NBV can infect and replicate in a wide variety of cell types derived from their natural host (bat), as well as from human, mouse and monkey. Within permissive cells, NBV induced significant cytopathic effects characterised by cell-cell fusion and syncytia formation. To understand the molecular events that underpin NBV infection we examined the host transcriptome and proteome response of two cell types, derived from bat (PaKiT03) and mouse (L929), to characterise differential cellular susceptibility to NBV...
August 14, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28806598/automated-synthesis-of-1-11-c-acetoacetate-on-a-trasis-aio-module
#17
Kiran Kumar Solingapuram Sai, H Donald Gage, Frankis Almaguel, Bryan Neth, Timothy M Hughes, Sebastien Tremblay, Christian-Alexandre Castellano, Stephen C Cunnane, Matthew J Jorgensen, Suzanne Craft, Akiva Mintz
We automated radiochemical synthesis of 1-[(11)C]acetoacetate in a commercially available radiochemistry module, TRASIS AllInOne by [(11)C]carboxylation of the corresponding enolate anion generated in situ from isopropenylacetate and MeLi, and purified by ion-exchange column resins.1-[(11)C]acetoacetate was synthesized with high radiochemical purity (95%) and specific activity (~ 66.6GBq/µmol, n = 30) with 35% radiochemical yield, decay corrected to end of synthesis. The total synthesis required ~ 16min. PET imaging studies were conducted with 1-[(11)C]acetoacetate in vervet monkeys to validate the radiochemical synthesis...
August 2, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28805428/ventral-striatum-lesions-do-not-affect-reinforcement-learning-with-deterministic-outcomes-on-slow-time-scales
#18
Raquel Vicario-Feliciano, Elisabeth A Murray, Bruno B Averbeck
A large body of work has implicated the ventral striatum (VS) in aspects of reinforcement learning (RL). However, less work has directly examined the effects of lesions in the VS, or other forms of inactivation, on 2-armed bandit RL tasks. We have recently found that lesions in the VS in macaque monkeys affect learning with stochastic schedules but have minimal effects with deterministic schedules. The reasons for this are not currently clear. Because our previous work used short intertrial intervals, one possibility is that the animals were using working memory to bridge stimulus-reward associations from 1 trial to the next...
August 14, 2017: Behavioral Neuroscience
https://www.readbyqxmd.com/read/28804648/inhibition-of-rho-kinase-induces-antioxidative-molecules-and-suppresses-reactive-oxidative-species-in-trabecular-meshwork-cells
#19
Tomokazu Fujimoto, Toshihiro Inoue, Saori Ohira, Nanako Awai-Kasaoka, Takanori Kameda, Miyuki Inoue-Mochita, Hidenobu Tanihara
PURPOSE: To investigate the effect of rho kinase inhibitors on oxidative stress in trabecular meshwork (TM) cells. METHODS: TM cells were isolated from the eyes of cynomolgus monkeys. Y-27632 and menadione were used to inhibit rho kinase and induce production of reactive oxygen species (ROS), respectively. The cynomolgus monkey array and 12,613 probes were used in DNA microarray analysis, and the affected genes were categorized using gene ontology analysis. The mRNA levels of the target genes were confirmed by real-time RT-PCR...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28804644/a-malaria-vaccine-protects-aotus-monkeys-against-virulent-plasmodium-falciparum-infection
#20
Prakash Srinivasan, G Christian Baldeviano, Kazutoyo Miura, Ababacar Diouf, Julio A Ventocilla, Karina P Leiva, Luis Lugo-Roman, Carmen Lucas, Sachy Orr-Gonzalez, Daming Zhu, Eileen Villasante, Lorraine Soisson, David L Narum, Susan K Pierce, Carole A Long, Carter Diggs, Patrick E Duffy, Andres G Lescano, Louis H Miller
The Plasmodium falciparum protein, apical membrane antigen 1 forms a complex with another parasite protein, rhoptry neck protein 2, to initiate junction formation with the erythrocyte and is essential for merozoite invasion during the blood stage of infection. Consequently, apical membrane antigen 1 has been a target of vaccine development but vaccination with apical membrane antigen 1 alone in controlled human malaria infections failed to protect and showed limited efficacy in field trials. Here we show that vaccination with AMA1-RON2L complex in Freund's adjuvant protects Aotus monkeys against a virulent Plasmodium falciparum infection...
2017: NPJ Vaccines
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