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https://www.readbyqxmd.com/read/29787037/effects-of-perinatal-exposure-to-dibutyltin-chloride-on-fat-and-glucose-metabolism-in-mice-and-molecular-mechanisms-in-vitro
#1
Raquel Chamorro-García, Bassem M Shoucri, Sigal Willner, Heidi Käch, Amanda Janesick, Bruce Blumberg
BACKGROUND: The organotin dibutyltin (DBT) is used in the manufacture of polyvinyl chloride (PVC) plastics, in construction materials, and in medical devices. Previous animal studies showed detrimental effects of DBT during in utero development at relatively high doses, but little was known about the effects of DBT exposure at environmentally relevant doses on endpoints such as obesity and metabolic disease. OBJECTIVES: We tested the potential obesogenic effects of DBT using in vitro and in vivo models...
May 2018: Environmental Health Perspectives
https://www.readbyqxmd.com/read/29786969/hippocampal-lipidome-and-transcriptome-profile-alterations-triggered-by-acute-exposure-of-mice-to-gsm-1800-mhz-mobile-phone-radiation-an-exploratory-study
#2
Adamantia F Fragopoulou, Alexandros Polyzos, Maria-Despoina Papadopoulou, Anna Sansone, Areti K Manta, Evangelos Balafas, Nikolaos Kostomitsopoulos, Aikaterini Skouroliakou, Chryssostomos Chatgilialoglu, Alexandros Georgakilas, Dimitrios J Stravopodis, Carla Ferreri, Dimitris Thanos, Lukas H Margaritis
BACKGROUND: The widespread use of wireless devices during the last decades is raising concerns about adverse health effects of the radiofrequency electromagnetic radiation (RF-EMR) emitted from these devices. Recent research is focusing on unraveling the underlying mechanisms of RF-EMR and potential cellular targets. The "omics" high-throughput approaches are powerful tools to investigate the global effects of RF-EMR on cellular physiology. METHODS: In this work, C57BL/6 adult male mice were whole-body exposed (nE xp  = 8) for 2 hr to GSM 1800 MHz mobile phone radiation at an average electric field intensity range of 4...
May 22, 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29786958/variability-in-student-perceptions-of-mistreatment
#3
Samantha Ellis, Joel Purkiss, Emily Abdoler, Amanda Opaskar, Rajesh S Mangrulkar, Joseph C Kolars, Sally A Santen
BACKGROUND: As medical schools strive to improve the learning environment, it is important to understand medical students' perceptions of mistreatment. The purpose of this study was to explore student interpretations of previously reported mistreatment incidents to better understand how they conceptualise the interactions. METHODS: Medical students were presented with case scenarios of previously reported instances of mistreatment and asked to indicate their agreement as to whether the scenarios demonstrated mistreatment, using a five-point Likert scale (1, strongly disagree; 5, strongly agree)...
May 22, 2018: Clinical Teacher
https://www.readbyqxmd.com/read/29786944/design-synthesis-and-evaluation-of-a-novel-series-of-inhibitors-reversing-p-glycoprotein-mediated-multidrug-resistance
#4
Hesham Ghaleb, Huilan Li, Mutta Kairuki, Qianqian Qiu, Xinzhou Bi, Chunxia Liu, Chen Liao, Jieming Li, Kamal Hezam, Wenlong Huang, Hai Qian
Multidrug resistance (MDR) is still the main barrier to attaining effective results with chemotherapy. Discovery of new chemo-reversal agents is needed to overcome MDR. Our study focused on a better way to obtain novel drugs with triazole rings that have an MDR-reversal ability through click chemistry. Among 20 developed compounds, compound 19 had a minimal cytotoxic effect compared to tariquidar and verapamil (VRP) and showed a higher reversal activity than VRP through increased accumulation in K562/A02 cells...
May 22, 2018: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/29786940/glycoinformatics-bridging-isolated-islands-in-the-sea-of-data
#5
Ksenia S Egorova, Philip V Toukach
Glycoinformatics is a young scientific branch, which assists the scientific community in carbohydrate research. In spite of fundamental roles of glycans in living organisms, the informatization of the field is significantly hindered by the lack of standards, data indices, protocols and tools widely recognized by researchers and publishers. The connection of the existing glycoinformatics projects with each other and with global life-science projects is far from complete. Moreover, in contrast to genes and proteins, there is no obligatory unique identifier for each natural carbohydrate structure...
May 22, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29786928/evaluation-of-medication-dose-omissions-amongst-inpatients-in-a-hospital-using-an-electronic-medication-management-system
#6
Katherine V Hunt, Andrew M Harding, Simone E Taylor, Colin Curtain
RATIONALE, AIMS, AND OBJECTIVES: Whilst many dose omissions cause no patient harm, inappropriate dose omissions have been associated with increased length of hospital stay, risk of sepsis, and mortality. This study aimed to comprehensively describe the prevalence and nature of omitted doses overall and of high risk medication dose omissions in an organization using an electronic Medication Management System. METHODS: A retrospective cross-sectional study was undertaken in an Australian tertiary referral health service...
May 22, 2018: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/29786921/room-temperature-ferroelectricity-in-an-organic-cocrystal
#7
Adam J Matzger, Ren A Wiscons, Nagula Rajesh Goud, Joshua T Damron
Ferroelectric materials exhibit switchable remanent polarization due to reversible symmetry breaking under an applied electric field. Previous research has leveraged temperature-induced neutral-ionic transitions in charge-transfer (CT) cocrystals to access ferroelectrics that operate through displacement of molecules under an applied field. However, displacive ferroelectric behavior is rare in organic CT cocrystals and achieving a Curie temperature (TC) above ambient has been elusive. Here a cocrystal between acenaphthene and 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane is presented that shows switchable remanent polarization at room temperature (TC = 68°C)...
May 22, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29786916/herbal-medicine-as-a-promising-therapeutic-approach-for-the-management-of-vascular-dementia-a-systematic-literature-review
#8
REVIEW
Adel Ghorani-Azam, Samaneh Sepahi, Elham Khodaverdi, Seyed Ahmad Mohajeri
Vascular dementia (VaD) generally refers to memory deficits and cognitive abnormalities that are resulted from vascular disease. In this study, we aimed to systematically review the literature wherein therapeutic effects of medicinal plants have been studied on VaD. A systematic literature search was performed in the PubMed, Scopus, Web of Science, Google Scholar, and other databases using VaD, and medicinal plants as key terms. No strict inclusion criteria were defined, and almost all clinical studies were included...
May 22, 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29786894/the-prognostic-role-of-phase-angle-in-advanced-cancer-patients-a-systematic-review
#9
REVIEW
Mayane Marinho Esteves Pereira, Mariana Dos Santos Campello Queiroz, Nathália Masiero Cavalcanti de Albuquerque, Juliana Rodrigues, Emanuelly Varea Maria Wiegert, Larissa Calixto-Lima, Livia Costa de Oliveira
Phase angle (PA) is a ratio between the reactance and resistance obtained by bioelectric impedance analysis and has been interpreted as a cell membrane integrity indicator and a predictor of total body cell mass. A low PA may suggest deterioration of the cell membrane, which in advanced cancer patients may result in a reduced overall survival (OS). This systematic review sought to investigate the current evidence regarding whether there is an association between PA and OS in patients with advanced cancer (ie, metastatic disease)...
May 22, 2018: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/29786892/association-between-initial-age-of-exposure-to-childhood-abuse-and-cognitive-control-preliminary-evidence
#10
Kristen L Mackiewicz Seghete, Anne P DePrince, Marie T Banich
Cognitive control, which relies on the protracted development of frontal-parietal regions into adolescence, is a brain process that may be particularly vulnerable to the impact of childhood abuse. In this study, we used functional magnetic resonance imaging (fMRI) to examine associations between the age of onset of childhood abuse and alterations to the neural mechanisms supporting cognitive control in early adulthood, which have not been previously examined. During fMRI scanning, participants completed hybrid block/event-related versions of a classic color-word Stroop task as well as emotional Stroop tasks (threat and positive words)...
May 22, 2018: Journal of Traumatic Stress
https://www.readbyqxmd.com/read/29786882/feasibility-of-assessing-prognostic-nutrition-index-in-patients-with-rectal-cancer-who-receive-preoperative-chemoradiotherapy
#11
Yoshinaga Okugawa, Yuji Toiyama, Satoshi Oki, Shozo Ide, Akira Yamamoto, Takashi Ichikawa, Takahito Kitajima, Hiroyuki Fujikawa, Hiromi Yasuda, Susumu Saigusa, Junichiro Hiro, Shigeyuki Yoshiyama, Minako Kobayashi, Toshimitsu Araki, Masato Kusunoki
BACKGROUND: Malnutrition can adversely affect treatment responses and oncological outcomes in cancer patients. However, among patients with rectal cancer who undergo chemoradiotherapy (CRT), the significance of peri-treatment nutrition assessment as a predictor of treatment response and outcome remains unclear. OBJECTIVE: The aim of this study was to determine whether the Prognostic Nutrition Index (PNI) based on peri-treatment serum can be used as a predictor of treatment response and outcome in patients with rectal cancer who undergo CRT...
January 7, 2018: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29786880/metagenomic-study-of-bacterial-microbiota-in-persistent-endodontic-infections-using-next-generation-sequencing
#12
G Sánchez-Sanhueza, H Bello-Toledo, G González-Rocha, A T Gonçalves, V Valenzuela, C Gallardo-Escárate
AIM: To determine the bacterial microbiota in root canals associated with persistent apical periodontitis and their relationship with the clinical characteristics of patients using next-generation sequencing (NGS). METHODOLOGY: Bacterial samples from root canals associated with teeth having persistent apical periodontitis were taken from 24 patients undergoing root canal retreatment. Bacterial DNA was extracted, and V3-V4 variable regions of the 16S rRNA gene were amplified...
May 22, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29786878/dietary-omega-3-fatty-acids-differentially-impact-acute-ethanol-responsive-behaviors-and-ethanol-consumption-in-dba-2j-versus-c57bl-6j-mice
#13
Jennifer T Wolstenholme, M Scott Bowers, Alexander B Pais, A Christian Pais, Ryan S Poland, Justin L Poklis, Andrew G Davies, Jill C Bettinger
BACKGROUND: Complex interactions between environmental and genetic factors influence the risk for developing alcohol use disorder (AUD) in humans. To date, studies of the impact of environment on AUD risk have primarily focused on psychological characteristics or on the effects of developmental exposure to ethanol. We recently observed that modifying levels of the long-chain ω-3 (LC ω-3) fatty acid, eicosapentaenoic acid (EPA), alters acute physiological responses to ethanol in C. elegans...
May 22, 2018: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/29786874/meta-analysis-of-the-association-of-alcohol-related-social-media-use-with-alcohol-consumption-and-alcohol-related-problems-in-adolescents-and-young-adults
#14
REVIEW
Brenda L Curtis, Samantha J Lookatch, Danielle E Ramo, James R McKay, Richard S Feinn, Henry R Kranzler
Despite the pervasive use of social media by young adults, there is comparatively little known about whether, and how, engagement in social media influences this group's drinking patterns and risk of alcohol-related problems. We examined the relations between young adults' alcohol-related social media engagement (defined as the posting, liking, commenting, and viewing of alcohol-related social media content) and their drinking behavior and problems. We conducted a systematic review and meta-analysis of studies evaluating the association of alcohol consumption and alcohol-related problems with alcohol-related social media engagement...
May 22, 2018: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/29786868/cis-acting-allele-specific-expression-ase-differences-induced-by-alcohol-and-impacted-by-sex-as-well-as-parental-genotype-of-origin
#15
Chiao-Ling Lo, Lawrence Lumeng, Richard L Bell, Tiebing Liang, Amy C Lossie, Williams M Muir, Feng C Zhou
BACKGROUND: Alcohol use disorders (AUDs) are influenced by complex interactions between the genetics of the individual and their environment. We have previously identified hundreds of polygenic genetic variants between the selectively bred high and low alcohol drinking (HAD and LAD) rat lines. Here we report allele specific expression (ASE) differences, between the HAD2 and LAD2 rat lines. METHODS: The HAD2 and LAD2 rats which have been sequenced were reciprocally crossed to generate 10 litters of F1 progeny...
May 22, 2018: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/29786863/acute-ammonia-toxicity-to-the-larvae-glochidia-of-the-tropical-australian-freshwater-mussel-velesunio-spp-using-a-modified-toxicity-test-protocol
#16
Linda S Kleinhenz, Melanie A Trenfield, Thomas J Mooney, Christopher L Humphrey, Rick A van Dam, Dayanthi Nugegoda, Andrew J Harford
Ammonia is recognised as a major pollutant worldwide, originating from natural and anthropogenic sources. Studies have reported that freshwater mussels are amongst the most sensitive taxa to ammonia, but there is a lack of data available on ammonia toxicity for the early life stages of freshwater mussels from tropical regions. This paper reports the modification of a 24-h acute toxicity test protocol for tropical freshwater mussels and application of the test using ammonia. Velesunio spp. from three different sites were used to assess the toxicity of ammonia at a targeted pH of 6...
May 22, 2018: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29786860/effect-of-cold-plasma-on-maintaining-the-quality-of-chub-mackerel-scomber-japonicus-biochemical-and-sensory-attributes
#17
Jing Chen, Sheng-Zhe Wang, Jun-Yu Chen, Dong-Zhi Chen, Shang-Gui Deng, Bin Xu
BACKGROUND: Atmospheric cold plasma (ACP) has emerged as a potential alternative to traditional methods for non-thermal food decontamination. However, little data are available about ACP treatment for seafood. In this study, dielectric barrier discharge (DBD) was applied to generate CP, and the aim of the study was to investigate the effectiveness of DBD-ACP on improving the quality of chub mackerel on the basis of chemical, microbial, and sensory characteristics. RESULTS: The effect of DBD-ACP on the quality of chub mackerel (Scomber japonicus) during storage was examined...
May 21, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29786857/effect-of-oatp1b1-1b3-inhibitor-gdc-0810-on-the-pharmacokinetics-of-pravastatin-and-coproporphyrin-i-iii-in-healthy-female-subjects
#18
Lichuan Liu, Sravanthi Cheeti, Kenta Yoshida, Edna Choo, Eugene Chen, Buyun Chen, Mary Gates, Stina Singel, Roland Morley, Joseph Ware, Srikumar Sahasranaman
Developed as an oral anticancer drug to treat estrogen receptor-positive breast cancer, GDC-0810 was shown to be a potent inhibitor of organic anion-transporting polypeptide 1B1 and 1B3 (OATP1B1/1B3) from an in vitro assay. A clinical study was conducted to assess the drug-drug interaction potential between GDC-0810 and pravastatin, which is a relatively selective and sensitive OATP1B1/1B3 substrate. Fifteen healthy female subjects of non-childbearing potential were enrolled in the study. On day 1 in period 1, a single 10-mg dose of pravastatin was administered to all subjects...
May 22, 2018: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29786855/speciation-of-bio-available-iodine-in-abalone-haliotis-discus-hannai-by-high-performance-liquid-chromatography-hyphenated-with-inductively-coupled-plasma-mass-spectrometry-using-an-in-vitro-method
#19
Han Sol Doh, Hyun Jin Park
Abalone is one of the most valuable marine products found in East Asia because it is rich in nutritious substances including iodine. In this study, the in vitro dialyzability approach was used to assess the bio-available iodine species in abalone. Iodide, iodate, 3-iodo-L-tyrosine (MIT), and 3,5-diiodo-L-tyrosine (DIT) were separated by high-performance liquid chromatography hyphenated with inductively coupled plasma-mass spectrometry (HPLC-ICP-MS). To assure the consistency, reliability, and accuracy of the data, the method was validated...
May 22, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29786854/muffins-elaborated-with-optimized-monoglycerides-oleogels-from-solid-fat-replacer-obtention-to-product-quality-evaluation
#20
Anabella S Giacomozzi, María E Carrín, Camila A Palla
This study demonstrates the effectiveness of using oleogels from high oleic sunflower oil (HOSO) and monoglycerides as solid fat replacers in a sweet bakery product. Firstly, a methodology to obtain oleogels with desired properties based on mathematical models able to describe relationships between process and product characteristics variables followed by multi-objective optimization was applied. Later, muffins were prepared with the optimized oleogels and their physicochemical and textural properties were compared with those of muffins formulated using a commercial margarine (Control) or only HOSO...
May 22, 2018: Journal of Food Science
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