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https://www.readbyqxmd.com/read/29351577/effects-of-excess-thromboxane-a2-on-placental-development-and-nutrient-transporters-in-a-mus-musculus-model-of-fetal-growth-restriction
#1
Karen J Gibbins, Katherine N Gibson-Corley, Ashley S Brown, Matthew Wieben, Richard C Law, Camille M Fung
Hypertensive disease of pregnancy (HDP) with placental insufficiency is the most common cause of fetal growth restriction (FGR) in the developed world. Despite the known negative consequences of HDP both to the mother and fetus, little is known about the longitudinal placental changes that occur as HDP progresses in pregnancy. This is because longitudinal sampling of human placentae during each gestation is impossible. Therefore, using a mouse model of thromboxane A2-analog infusion to mimic human HDP in the last trimester, we calculated placental efficiencies based on fetal and placental weights, quantified spongiotrophoblast and labyrinth thicknesses and vascular density within these layers, examined whether hypoxia signaling pathway involving vascular endothelial growth factor A (VEGFA) and its receptors (VEGFR1, VEGFR2) and matrix metalloproteinases (MMPs) contributed to vascular change, and examined nutrient transporter abundance including glucose transporters 1 and 3 (GLUT1, GLUT3), neutral amino acid transporters 1, 2, and 4 (SNAT1, SNAT2, and SNAT4), fatty acid transporters 2 and 4 (FATP2, FATP4) and fatty acid translocase (CD36) from embryonic day 15...
January 17, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29350236/dose-optimization-of-total-or-partial-skin-electron-irradiation-by-thermoluminescent-dosimetry
#2
Lars Schüttrumpf, Klement Neumaier, Cornelius Maihoefer, Maximilian Niyazi, Ute Ganswindt, Minglun Li, Peter Lang, Michael Reiner, Claus Belka, Stefanie Corradini
BACKGROUND: Due to the complex surface of the human body, total or partial skin irradiation using large electron fields is challenging. The aim of the present study was to quantify the magnitude of dose optimization required after the application of standard fields. METHODS: Total skin electron irradiation (TSEI) was applied using the Stanford technique with six dual-fields. Patients presenting with localized lesions were treated with partial skin electron irradiation (PSEI) using large electron fields, which were individually adapted...
January 19, 2018: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/29348406/active-state-organization-of-spontaneous-behavioral-patterns
#3
C Hillar, G Onnis, D Rhea, L Tecott
We report the development and validation of a principled analytical approach to reveal the manner in which diverse mouse home cage behaviors are organized. We define and automate detection of two mutually-exclusive low-dimensional spatiotemporal units of behavior: "Active" and "Inactive" States. Analyses of these features using a large multimodal 16-strain behavioral dataset provide a series of novel insights into how feeding, drinking, and movement behaviors are coordinately expressed in Mus Musculus. Moreover, we find that patterns of Active State expression are exquisitely sensitive to strain, and classical supervised machine learning incorporating these features provides 99% cross-validated accuracy in genotyping animals using behavioral data alone...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348190/pronounced-hyperactivity-cognitive-dysfunctions-and-bdnf-dysregulation-in-dopamine-transporter-knockout-rats
#4
Damiana Leo, Ilya Sukhanov, Francesca Zoratto, Placido Illiano, Lucia Caffino, Fabrizio Sanna, Giulia Messa, Marco Emanuele, Alessandro Esposito, Maria Dorofeikova, Evgeny A Budygin, Liudmila Mus, Evgenia E Efimova, Marco Niello, Stefano Espinoza, Tatyana D Sotnikova, Marius C Hoener, Gianni Laviola, Fabio Fumagalli, Walter Adriani, Raul R Gainetdinov
Dopamine (DA) controls many vital physiological functions and is critically involved in several neuropsychiatric disorders such as schizophrenia and attention deficit hyperactivity disorder (ADHD). The major function of the plasma membrane dopamine transporter (DAT) is the rapid uptake of released DA into presynaptic nerve terminals leading to control of both the extracellular levels of DA and the intracellular stores of DA. Here, we present a newly developed strain of rats (DAT-knockout, DAT-KO rats) in which the gene encoding the DAT has been disrupted by using zinc finger nuclease technology (ZFN)...
January 18, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29346277/vaccinia-virus-in-blood-samples-of-humans-domestic-and-wild-mammals-in-brazil
#5
Marina G Peres, Thais S Bacchiega, Camila M Appolinário, Acácia F Vicente, Mateus de Souza Ribeiro Mioni, Bruna L D Ribeiro, Clóvis R S Fonseca, Vanessa C Pelícia, Fernando Ferreira, Graziele P Oliveira, Jonatas S Abrahão, Jane Megid
Outbreaks of Vaccinia virus (VACV) affecting cattle and humans have been reported in Brazil in the last 15 years, but the origin of outbreaks remains unknown. Although VACV DNA have been already detected in mice (Mus musculus), opossums (Didelphis albiventris) and dogs during VACV zoonotic outbreaks, no transmission to cattle or humans from any of these were reported during Brazilian outbreaks. In this work, we assessed the PCR positivity to VACV in blood samples of cows and other domestic mammals, wild rodents and other wild mammals, and humans from areas with or without VACV infection reports...
January 18, 2018: Viruses
https://www.readbyqxmd.com/read/29341905/intensity-difference-limens-in-adult-cba-caj-mice-mus-musculus
#6
Anastasiya Kobrina, Katrina L Toal, Micheal L Dent
Mice have emerged as important models of auditory perception and acoustic communication. To study and model complex sound perception and communication, basic hearing abilities have to be established, yet intensity difference limens have not been measured in CBA/CAJ mice. Nine mice were trained using operant conditioning procedures with positive reinforcement to discriminate sound intensity across frequencies. Intensity difference limens were measured for 12, 16, 24, and 42 kHz tones at 10 and 30 dB sensation levels...
January 13, 2018: Behavioural Processes
https://www.readbyqxmd.com/read/29339299/is-there-a-difference-in-the-outcome-of-mid-urethral-sling-operations-performed-by-urogynecologists-as-compared-to-supervised-residents
#7
Osnat Elyashiv, Noa Mevorach Zussman, Masha Ben-Zvi, Jacob Bar, Ron Sagiv, Alexander Condrea, Shimon Ginath
STUDY OBJECTIVE: To compare the operative results of midurethral sling (MUS) surgeries for stress urinary incontinence (SUI) performed by residents under the guidance of an attending specialist in urogynecology, to those done by attendings. DESIGN: Retrospective chart review DESIGN CLASSIFICATION: Canadian Task Force classification II-2 SETTING: University hospital PATIENTS: A retrospective analysis of all MUS's performed between January 2009 to December 2013, in a single public tertiary medical center, was carried out...
January 12, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29338007/bilateral-changes-in-afterhyperpolarization-duration-of-spinal-motoneurones-in-post-stroke-patients
#8
Bożenna Kuraszkiewicz, Jia-Jin Jason Chen, Hanna Goszczyńska, Yu-Lin Wang, Maria Piotrkiewicz
This paper extends the observations presented in the previously published work on the afterhyperpolarization (AHP) duration changes in motoneurones (MNs) on the paretic (more affected) side of 11 post-stroke patients by the same analysis on the non-paretic (less-affected) side. The estimated AHP duration for patients' MNs supplying more-affected muscles was significantly longer than control values and the elongation decreased with patient age and disorder duration. For MNs supplying less-affected muscles, dependency of AHP duration on age was closer to the control data, but the scatter was substantially bigger...
2018: PloS One
https://www.readbyqxmd.com/read/29331514/employment-of-proteomic-and-immunological-based-methods-for-the-identification-of-catalase-as-novel-allergen-from-banana
#9
Jasna Nikolić, Andrijana Nešić, Skadi Kull, Frauke Schocker, Uta Jappe, Marija Gavrović-Jankulović
Diagnostic reagents based on food allergen extracts often lack sufficient sensitivity. The introduction of well characterized food allergens in molecular allergy diagnosis has been recognized as valid approach to circumvent unstandardized allergen extracts. Banana fruit (Musa acuminata) is a well-established allergen source which besides six characterized allergens, contains unidentified IgE reactive proteins whose clinical relevance remains undefined. By employment of a combinatorial peptide ligand library (CPLL) methodology with 2-D PAGE, mass spectrometric and 2-D immunoblot analysis, a novel allergen from banana fruit was detected in banana as catalase...
January 10, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29329746/evaluation-of-a-transtympanic-delivery-system-in-mus-musculus-for-extended-release-steroids
#10
Nathan H Dormer, Jennifer Nelson-Brantley, Hinrich Staecker, Cory J Berkland
OBJECTIVE: The current investigation evaluated a novel extended release delivery system for treating inner ear diseases. The platform technology consists of a film forming agent (FFA) and microsphere component to localize and extend drug delivery within the ear. STUDY DESIGN: Studies evaluated dissolution kinetics of microspheres with multiple encapsulates, testing of a variety of FFAs, and ability to localize to the round window membrane in mice in vivo. SETTING: Studies were completed at Orbis Biosciences and The University of Kansas Medical Center...
January 9, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29329512/landscape-and-rodent-community-composition-are-associated-with-risk-of-hemorrhagic-fever-with-renal-syndrome-in-two-cities-in-china-2006-2013
#11
Hong Xiao, Xin Tong, Ru Huang, Lidong Gao, Shixiong Hu, Yapin Li, Hongwei Gao, Pai Zheng, Huisuo Yang, Zheng Y X Huang, Hua Tan, Huaiyu Tian
BACKGROUND: Hemorrhagic fever with renal syndrome (HFRS) is a rodent-borne disease caused by hantaviruses. Landscape can influence the risk of hantavirus infection for humans, mainly through its effect on rodent community composition and distribution. It is important to understand how landscapes influence population dynamics for different rodent species and the subsequent effect on HFRS risk. METHODS: To determine how rodent community composition influenced human hantavirus infection, we monitored rodent communities in the prefecture-level cities of Loudi and Shaoyang, China, from 2006 to 2013...
January 12, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29327120/readmission-and-reoperation-after-midurethral-sling
#12
Erik D Hokenstad, Amy E Glasgow, Elizabeth B Habermann, John A Occhino
INTRODUCTION AND HYPOTHESIS: We aimed to determine the rate of readmission and reoperation for patients undergoing midurethral sling (MUS) placement for stress urinary incontinence (SUI). METHODS: The American College of Surgeons National Surgical Quality Improvement Program (NSQIP) database was queried to identify all isolated MUS placed from 2012 through 2015 using the Current Procedural Terminology 4 (CPT-4) code for MUS with or without cystoscopy (57,288 ± 52,000)...
January 11, 2018: International Urogynecology Journal
https://www.readbyqxmd.com/read/29322625/variations-in-dosimetric-distribution-and-plan-complexity-with-collimator-angles-in-hypofractionated-volumetric-arc-radiotherapy-for-treating-prostate-cancer
#13
Ming-Hsien Li, Sheng-Fang Huang, Chih-Chieh Chang, Jang-Chun Lin, Jo-Ting Tsai
PURPOSE: Hypofractionated radiotherapy can reduce treatment durations and produce effects identical to those of conventionally fractionated radiotherapy for treating prostate cancer. Volumetric arc radiotherapy (VMAT) can decrease the treatment machine monitor units (MUs). Previous studies have shown that VMAT with multileaf collimator (MLC) rotation exhibits better target dose distribution. Thus, VMAT with MLC rotation warrants further investigation. METHODS AND MATERIALS: Ten patients with prostate cancer were included in this study...
January 11, 2018: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29322057/epidemiological-study-on-cutaneous-leishmaniasis-in-an-endemic-area-of-qom-province-central-iran
#14
Abedin Saghafipour, Hassan Vatandoost, Ali Reza Zahraei-Ramazani, Mohammad Reza Yaghoobi-Ershadi, Moharram Karami Jooshin, Yavar Rassi, Mohammad Reza Shirzadi, Amir Ahmad Akhavan, Ahmad Ali Hanafi-Bojd
Background: Cutaneous leishmaniasis (CL) is one of the most important health problems in many areas of Iran. There are two forms of the disease in Iran, anthroponotic and zoonotic CL. This study conducted to assess the epidemiological situation of CL in an endemic area of Qom Province, central Iran from Apr to Nov 2015. Methods: The sticky paper traps and aspirating tubes were used for collecting adult sand flies. Sherman traps and small insect nets were used to capture rodents and small mammals...
September 2017: Journal of Arthropod-borne Diseases
https://www.readbyqxmd.com/read/29304105/dosimetric-evaluation-of-magnetic-resonance-generated-synthetic-ct-for-radiation-treatment-of-rectal-cancer
#15
Hesheng Wang, Kevin Du, Juliet Qu, Hersh Chandarana, Indra J Das
PURPOSE: The purpose of this study was to assess the dosimetric equivalence of magnetic resonance (MR)-generated synthetic CT (synCT) and simulation CT for treatment planning in radiotherapy of rectal cancer. METHODS: This study was conducted on eleven patients who underwent whole-body PET/MR and PET/CT examination in a prospective IRB-approved study. For each patient synCT was generated from Dixon MR using a model-based method. Standard treatment planning directives were used to create a four-field box (4F), an oblique four-field (O4F) and a volumetric modulated arc therapy (VMAT) plan on synCT for treatment of rectal cancer...
2018: PloS One
https://www.readbyqxmd.com/read/29304086/the-expression-profiles-of-immune-genes-in-mus-musculus-macrophages-during-staphylococcus-aureus-infection
#16
Ziyan Wang, Fei Zhu
Staphylococcus aureus is an important pathogen which is often the cause of major morbidity and mortality in both hospital and community settings. For this reason, we investigated the host cell early immune resoponse to S. aureus infection using genome-wide analysis. To do this, we infected Mus musculus RAW264.7 cells with S. aureus alone or in the presence of free peptidoglycan (PG), which appears in the S. aureus cell wall. Post infection, we performed a genome-wide analysis of RAW246.7 cells to identify significant changes in the gene expression profile...
2018: PloS One
https://www.readbyqxmd.com/read/29300724/a-novel-prospective-isolation-of-murine-fetal-liver-progenitors-to-study-in-utero-hematopoietic-defects
#17
Julia E Draper, Patrycja Sroczynska, Muhammad Z H Fadlullah, Rahima Patel, Gillian Newton, Wolfgang Breitwieser, Valerie Kouskoff, Georges Lacaud
In recent years, highly detailed characterization of adult bone marrow (BM) myeloid progenitors has been achieved and, as a result, the impact of somatic defects on different hematopoietic lineage fate decisions can be precisely determined. Fetal liver (FL) hematopoietic progenitor cells (HPCs) are poorly characterized in comparison, potentially hindering the study of the impact of genetic alterations on midgestation hematopoiesis. Numerous disorders, for example infant acute leukemias, have in utero origins and their study would therefore benefit from the ability to isolate highly purified progenitor subsets...
January 2018: PLoS Genetics
https://www.readbyqxmd.com/read/29296033/assessment-of-volumetric-modulated-arc-therapy-for-constant-and-variable-dose-rates
#18
Mariluz De Ornelas-Couto, Ivaylo Mihaylov, Nesrin Dogan
Purpose: The aim of this study is to compare the effects of dose rate on volumetric-modulated arc therapy plans to determine optimal dose rates for prostate and head and neck (HN) cases. Materials and Methods: Ten prostate and ten HN cases were retrospectively studied. For each case, seven plans were generated: one variable dose rate (VDR) and six constant dose rate (CDR) (100-600 monitor units [MUs]/min) plans. Prescription doses were: 80 Gy to planning target volume (PTV) for the prostate cases, and 70, 60, and 54 Gy to PTV1, PTV2, and PTV3, respectively, for HN cases...
October 2017: Journal of Medical Physics
https://www.readbyqxmd.com/read/29290094/a-candidate-tolerance-gene-identified-in-a-natural-population-of-field-voles-microtus-agrestis
#19
Klara M Wanelik, Michael Begon, Richard J Birtles, Janette E Bradley, Ida M Friberg, Joseph A Jackson, Christopher H Taylor, Anna G Thomason, Andrew K Turner, Steve Paterson
The animal immune response has hitherto been viewed primarily in the context of resistance only. However, individuals, can also employ a tolerance strategy to maintain good health in the face of on-going infection. To shed light on the genetic and physiological basis of tolerance, we use a natural population of field voles, Microtus agrestis, to search for an association between the expression of the transcription factor Gata3, previously identified as a marker of tolerance in this system, and polymorphism in 84 immune and non-immune genes...
December 31, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/29283589/experience-with-featural-cue-reliability-influences-featural-and-geometric-cue-use-by-mice-mus-musculus
#20
Kevin Leonard, Na Tian, Tammy L Ivanco, Debbie M Kelly
Orienting is a critical skill for all mobile animals. Two commonly studied visual components used to guide orientation in an environment are geometric (e.g., distance or direction) and featural cues (e.g., color or texture). Previous research has shown that visual-cue use and cue weighing can depend on the navigator's previous experience, the nature and reliability of the cues, and genetic factors. Accordingly, the domestic mouse (Mus musculus) is a species of increasing interest because of its potential as a model for human neurological disorders with associated spatial disorientation, as is seen in Alzheimer's disease...
December 28, 2017: Journal of Comparative Psychology
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