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https://www.readbyqxmd.com/read/29038288/ets-in-the-kidney-unraveling-the-molecular-mechanism-underlying-renal-damage-in-salt-sensitive-hypertension
#1
EDITORIAL
Joseph C Gigliotti, Thu H Le
No abstract text is available yet for this article.
October 16, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29037301/asthma-symptoms-among-chinese-children-the-role-of-ventilation-and-pm10-exposure-at-school-and-home
#2
X-J Fan, C Yang, L Zhang, Q Fan, T Li, X Bai, Z-H Zhao, X Zhang, D Norback
SETTING: Respiratory symptoms in relation to environment in Taiyuan, China. OBJECTIVE: To study associations between school/home exposure and prevalence of respiratory symptoms and self-reported respiratory infections (RIs) among students. DESIGN: A total of 2134 pupils from 10 schools answered a questionnaire; air pollution at school was measured. RESULTS: The prevalence of current wheeze, daytime attacks of breathlessness, nocturnal cough, nocturnal respiratory symptoms and RI was respectively 4...
November 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/29036182/proteome-analysis-of-bronchoalveolar-lavage-from-calves-infected-with-bovine-respiratory-syncytial-virus-insights-in-pathogenesis-and-perspectives-for-new-treatments
#3
Sara Hägglund, Krister Blodörn, Katarina Näslund, Karin Vargmar, Sara Bergström Lind, Jia Mi, Mariluz Araínga, Sabine Riffault, Geraldine Taylor, John Pringle, Jean François Valarcher
Human and bovine respiratory syncytial viruses (HRSV/BRSV) are major causes of severe lower respiratory tract infections in children and calves, respectively. Shared epidemiological, clinical, pathological and genetic characteristics of these viruses make comparative research highly relevant. To characterise the host response against BRSV infection, bronchoalveolar lavage supernatant (BAL) from i) non-vaccinated, BRSV-infected ii) vaccinated, BRSV-infected and iii) non-infected calves was analysed by tandem mass spectrometry...
2017: PloS One
https://www.readbyqxmd.com/read/29035278/hdac3-regulates-lymphovenous-and-lymphatic-valve-formation
#4
Harish P Janardhan, Zachary J Milstone, Masahiro Shin, Nathan D Lawson, John F Keaney, Chinmay M Trivedi
Lymphedema, the most common lymphatic anomaly, involves defective lymphatic valve development; yet the epigenetic modifiers underlying lymphatic valve morphogenesis remain elusive. Here, we showed that during mouse development, the histone-modifying enzyme histone deacetylase 3 (Hdac3) regulates the formation of both lymphovenous valves, which maintain the separation of the blood and lymphatic vascular systems, and the lymphatic valves. Endothelium-specific ablation of Hdac3 in mice led to blood-filled lymphatic vessels, edema, defective lymphovenous valve morphogenesis, improper lymphatic drainage, defective lymphatic valve maturation, and complete lethality...
October 16, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29031824/the-exeter-trauma-stem-a-radiographic-follow-up-at-minimum-of-five-years-post-implantation
#5
A M Kassam, L Tillotson, S L Whitehouse, J Charity
INTRODUCTION: The Exeter Trauma Stem (ETS) has been recommended by National Institute of Clinical Excellence (NICE) guidelines in the United Kingdom as a proven, cemented stem. A single laboratory study in the literature has raised possible concerns about the polished finish of the ETS and subsequent potential for accelerated loosening although there is little clinical evidence to support or refute this. METHODS: The aim of this study was to assess clinical outcomes of the ETS at a minimum of five years post implantation...
October 7, 2017: Injury
https://www.readbyqxmd.com/read/29026901/dietary-iron-loading-negatively-affects-liver-mitochondrial-function
#6
Chiara Volani, Carolina Doerrier, Egon Demetz, David Haschka, Giuseppe Paglia, Alexandros A Lavdas, Erich Gnaiger, Guenter Weiss
Iron is an essential co-factor for several metabolic processes, including mitochondrial respiration, and mitochondria are the major sites of iron-utilization. Cellular iron homeostasis must be tightly regulated, as intracellular iron deficiency can lead to insufficient energy production, whereas iron overload triggers ROS (reactive oxygen species) formation via the Fenton reaction. So far little is known on how iron imbalances affect mitochondrial function in vivo and the impact of the genotype on that, we studied the effects of dietary iron loading on mitochondrial respiratory capacity in liver by comparing two genetically divergent mouse strains, namely C57BL/6N and FVB mice...
October 13, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/29026172/mitochondrial-glycerol-3-phosphate-facilitates-bumblebee-pre-flight-thermogenesis
#7
Stewart W C Masson, Christopher P Hedges, Jules B L Devaux, Crystal S James, Anthony J R Hickey
Bumblebees (Bombus terrestris) fly at low ambient temperatures where other insects cannot, and to do so they must pre-warm their flight muscles. While some have proposed mechanisms, none fully explain how pre-flight thermogenesis occurs. Here, we present a novel hypothesis based on the less studied mitochondrial glycerol 3-phosphate dehydrogenase pathway (mGPDH). Using calorimetry, and high resolution respirometry coupled with fluorimetry, we report substrate oxidation by mGPDH in permeabilised flight muscles operates, in vitro, at a high flux, even in the absence of ADP...
October 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29026072/dynamic-regulation-of-canonical-tgf%C3%AE-signalling-by-endothelial-transcription-factor-erg-protects-from-liver-fibrogenesis
#8
Neil P Dufton, Claire R Peghaire, Lourdes Osuna-Almagro, Claudio Raimondi, Viktoria Kalna, Abhishek Chuahan, Gwilym Webb, Youwen Yang, Graeme M Birdsey, Patricia Lalor, Justin C Mason, David H Adams, Anna M Randi
The role of the endothelium in protecting from chronic liver disease and TGFβ-mediated fibrosis remains unclear. Here we describe how the endothelial transcription factor ETS-related gene (ERG) promotes liver homoeostasis by controlling canonical TGFβ-SMAD signalling, driving the SMAD1 pathway while repressing SMAD3 activity. Molecular analysis shows that ERG binds to SMAD3, restricting its access to DNA. Ablation of ERG expression results in endothelial-to-mesenchymal transition (EndMT) and spontaneous liver fibrogenesis in EC-specific constitutive hemi-deficient (Erg (cEC-Het) ) and inducible homozygous deficient mice (Erg (iEC-KO) ), in a SMAD3-dependent manner...
October 12, 2017: Nature Communications
https://www.readbyqxmd.com/read/29023442/environmental-perturbations-lead-to-extensive-directional-shifts-in-rna-processing
#9
Allison L Richards, Donovan Watza, Anthony Findley, Adnan Alazizi, Xiaoquan Wen, Athma A Pai, Roger Pique-Regi, Francesca Luca
Environmental perturbations have large effects on both organismal and cellular traits, including gene expression, but the extent to which the environment affects RNA processing remains largely uncharacterized. Recent studies have identified a large number of genetic variants associated with variation in RNA processing that also have an important role in complex traits; yet we do not know in which contexts the different underlying isoforms are used. Here, we comprehensively characterized changes in RNA processing events across 89 environments in five human cell types and identified 15,300 event shifts (FDR = 15%) comprised of eight event types in over 4,000 genes...
October 12, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28990834/eustachian-tube-evaluation-in-patients-with-obstructive-sleep-apnea-syndrome
#10
Giuseppe Magliulo, Marco de Vincentiis, Giannicola Iannella, Andrea Ciofalo, Alessandra Manno, Benedetta Pasquariello, Diletta Angeletti, Annalisa Pace, Giampiero Gulotta, Antonella Polimeni
OBJECTIVES: Investigate the presence of Eustachian Tube Dysfunction (ETD) in Obstructive sleep apnea (OSA) patients. Correlate the ET function and the severity of the sleep apnea syndrome. Correlate nasal resistance and nasal mucociliary clearance with the onset of ETD in these patients. MATERIALS AND METHODS: Forty patients affected by OSA were enrolled in our clinical prospective study. Thirty patients were also investigated as a control group. All of the analyzed subjects underwent ENT examination, anterior rhinomanometry and test for mucociliary transport time...
October 9, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28988241/macrophage-extracellular-traps-a-scoping-review
#11
Ryan S Doster, Lisa M Rogers, Jennifer A Gaddy, David M Aronoff
Tissue macrophages are derived from either circulating blood monocytes that originate in the bone marrow, or embryonic precursors that establish residence in tissues and are maintained independent of bone marrow progenitors. Macrophages perform diverse functions including tissue repair, the maintenance of homeostasis, and immune regulation. Recent studies have demonstrated that macrophages produce extracellular traps (ETs). ETs are an immune response by which a cell undergoes "ETosis" to release net-like material, with strands composed of cellular DNA that is studded with histones and cellular proteins...
October 7, 2017: Journal of Innate Immunity
https://www.readbyqxmd.com/read/28987389/environmental-tobacco-smoke-exposure-and-egfr-and-alk-alterations-in-never-smokers-lung-cancer-results-from-the-lcrins-study
#12
María Torres-Durán, Alberto Ruano-Ravina, Karl T Kelsey, Isaura Parente-Lamelas, Virginia Leiro-Fernández, Ihab Abdulkader, Mariano Provencio, José Abal-Arca, Olalla Castro-Añón, Carmen Montero-Martínez, Iria Vidal-García, Margarita Amenedo, Antonio Golpe-Gómez, Cristina Martínez, Rosirys Guzmán-Taveras, María José Mejuto-Martí, Alberto Fernández-Villar, Juan Miguel Barros-Dios
Environmental tobacco smoke (ETS) exposure is a main risk factor of lung cancer in never smokers. Epidermal Growth Factor Receptor (EGFR) mutations and ALK translocations are more frequent in never smokers' lung cancer than in ever-smokers. We performed a multicenter case-control study to assess if ETS exposure is associated with the presence of EGFR mutations and its types and if ALK translocations were related with ETS exposure. All patients were never smokers and had confirmed lung cancer diagnosis. ETS exposure during childhood showed a negative association on the probability of EGRF mutation though not significant...
October 5, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28986382/loss-of-foxo1-cooperates-with-tmprss2-erg-overexpression-to-promote-prostate-tumorigenesis-and-cell-invasion
#13
Yinhui Yang, Alexandra M Blee, Dejie Wang, Jian An, Yunqian Pan, Yuqian Yan, Tao Ma, Yundong He, Joseph Dugdale, Xiaonan Hou, Jun Zhang, S John Weroha, Wei-Guo Zhu, Y Alan Wang, Ronald A DePinho, Wanhai Xu, Haojie Huang
E26 transformation-specific (ETS) transcription factor ERG is aberrantly overexpressed in approximately 50% of all human PCa due to TMPRSS2-ERG gene rearrangements. However, mice with prostate-specific transgenic expression of PCa-associated ERG alone fail to develop PCa, highlighting that ERG requires other lesions to drive prostate tumorigenesis. Forkhead box (FOXO) transcription factor FOXO1 is a tumor suppressor that is frequently inactivated in human PCa. Here we demonstrate that FOXO1, but not other FOXO proteins (FOXO3 and FOXO4), binds and inhibits the transcriptional activity of PCa-associated ERG independently of FOXO1 transcriptional activity...
October 6, 2017: Cancer Research
https://www.readbyqxmd.com/read/28983631/integrated-analysis-reveals-candidate-genes-and-transcription-factors-in-lung-adenocarcinoma
#14
Baiwang Chen, Shuhong Gao, Changwei Ji, Ge Song
Lung adenocarcinoma is the most common type of non‑small cell lung cancer in Asia. Therefore, it is important to improve understanding of the underlying transcriptional regulatory mechanisms involved. The present study aimed to identify potential candidate genes and transcription factors (TFs) associated with the disease. Four gene expression profiles were downloaded from the Gene Expression Omnibus database, which included 141 lung adenocarcinoma patients and 191 healthy controls. The differentially expressed genes (DEGs) were screened out and functional annotation was performed...
September 28, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28982071/toxicological-effects-of-paracetamol-on-the-clam-ruditapes-philippinarum-exposure-vs-recovery
#15
Bruno Nunes, Joana Nunes, Amadeu M V M Soares, Etelvina Figueira, Rosa Freitas
Exposure of wild organisms to anthropogenic substances never follows a definite time-course and pulsed events can often determine biological responses to such chemicals, confounding the interpretation of toxicological data. This is the case of specific chemicals such as pharmaceutical drugs, which are commonly released by sewage systems into sensitive areas, including estuaries. The presence and amount of these chemicals in the wild can be modulated by events such as dilution due to heavy rain, floods, or by varying patterns of domestic water use (daily vs...
September 20, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28978027/functional-dissection-of-breast-cancer-risk-associated-tert-promoter-variants
#16
Sonja Helbig, Leesa Wockner, Annick Bouendeu, Ursula Hille-Betz, Karen McCue, Juliet D French, Stacey L Edwards, Hilda A Pickett, Roger R Reddel, Georgia Chenevix-Trench, Thilo Dörk, Jonathan Beesley
The multi-cancer susceptibility locus at 5p15.33 includes TERT, encoding the telomerase catalytic subunit. Genome-wide association studies (GWAS) have identified six single nucleotide polymorphisms (SNPs) in the TERT promoter associated with decreased breast cancer risk, although the precise causal variants and their mechanisms of action have remained elusive. Luciferase reporter assays indicated that the protective haplotype reduced TERT promoter activity in human mammary epithelial and cancer cells in an estrogen-independent manner...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28974650/inhibition-of-the-oncogenic-fusion-protein-ews-fli1-causes-g2-m-cell-cycle-arrest-and-enhanced-vincristine-sensitivity-in-ewing-s-sarcoma
#17
Stefan K Zöllner, Saravana P Selvanathan, Garrett T Graham, Ryan M T Commins, Sung Hyeok Hong, Eric Moseley, Sydney Parks, Jessica N Haladyna, Hayriye V Erkizan, Uta Dirksen, Michael D Hogarty, Aykut Üren, Jeffrey A Toretsky
Ewing's sarcoma (ES) is a rare and highly malignant cancer that grows in the bones or surrounding tissues mostly affecting adolescents and young adults. A chimeric fusion between the RNA binding protein EWS and the ETS family transcription factor FLI1 (EWS-FLI1), which is generated from a chromosomal translocation, is implicated in driving most ES cases by modulation of transcription and alternative splicing. The small-molecule YK-4-279 inhibits EWS-FLI1 function and induces apoptosis in ES cells. We aimed to identify both the underlying mechanism of the drug and potential combination therapies that might enhance its antitumor activity...
October 3, 2017: Science Signaling
https://www.readbyqxmd.com/read/28974312/preparing-for-the-american-board-of-surgery-flexible-endoscopy-curriculum-development-of-multi-institutional-proficiency-based-training-standards-and-pilot-testing-of-a-simulation-based-mastery-learning-curriculum-for-the-endoscopy-training-system
#18
Brenton R Franklin, Sarah B Placek, Aimee K Gardner, James R Korndorffer, Mercy D Wagner, Jonathan P Pearl, E Matthew Ritter
BACKGROUND: The Fundamentals of Endoscopic Surgery (FES) exam is required for American Board of Surgery certification. The purpose of this study was to develop performance standards for a simulation-based mastery learning (SBML) curriculum for the FES performance exam using the Endoscopy Training System (ETS). METHODS: Experienced endoscopists from multiple institutions and specialties performed each ETS task (scope manipulation (SM), tool targeting (TT), retroflexion (RF), loop management (LM), and mucosal inspection (MI)) with scores used to develop performance standards for a SBML training curriculum...
September 20, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28974308/embryo-cryopreservation-and-preeclampsia-risk
#19
Cynthia K Sites, Donna Wilson, Maya Barsky, Dana Bernson, Ira M Bernstein, Sheree Boulet, Yujia Zhang
OBJECTIVE: To determine whether assisted reproductive technology (ART) cycles involving cryopreserved-warmed embryos are associated with the development of preeclampsia. DESIGN: Retrospective cohort study. SETTING: IVF clinics and hospitals. PATIENT(S): A total of 15,937 births from ART: 9,417 singleton and 6,520 twin. INTERVENTION(S): We used linked ART surveillance, birth certificate, and maternal hospitalization discharge data, considering resident singleton and twin births from autologous or donor eggs from 2005-2010...
September 30, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28967883/3-2-%C3%A3-resolution-structure-of-the-90s-preribosome-before-a1-pre-rrna-cleavage
#20
Jingdong Cheng, Nikola Kellner, Otto Berninghausen, Ed Hurt, Roland Beckmann
The 40S small ribosomal subunit is cotranscriptionally assembled in the nucleolus as part of a large chaperone complex called the 90S preribosome or small-subunit processome. Here, we present the 3.2-Å-resolution structure of the Chaetomium thermophilum 90S preribosome, which allowed us to build atomic structures for 34 assembly factors, including the Mpp10 complex, Bms1, Utp14 and Utp18, and the complete U3 small nucleolar ribonucleoprotein. Moreover, we visualized the U3 RNA heteroduplexes with a 5' external transcribed spacer (5' ETS) and pre-18S RNA, and their stabilization by 90S factors...
October 2, 2017: Nature Structural & Molecular Biology
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