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https://www.readbyqxmd.com/read/28549066/alternative-exon-definition-events-control-the-choice-between-nuclear-retention-and-cytoplasmic-export-of-u11-u12-65k-mrna
#1
Jens Verbeeren, Bhupendra Verma, Elina H Niemelä, Karen Yap, Eugene V Makeyev, Mikko J Frilander
Cellular homeostasis of the minor spliceosome is regulated by a negative feed-back loop that targets U11-48K and U11/U12-65K mRNAs encoding essential components of the U12-type intron-specific U11/U12 di-snRNP. This involves interaction of the U11 snRNP with an evolutionarily conserved splicing enhancer giving rise to unproductive mRNA isoforms. In the case of U11/U12-65K, this mechanism controls the length of the 3' untranslated region (3'UTR). We show that this process is dynamically regulated in developing neurons and some other cell types, and involves a binary switch between translation-competent mRNAs with a short 3'UTR to non-productive isoforms with a long 3'UTR that are retained in the nucleus or/and spliced to the downstream amylase locus...
May 26, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28545204/ecomorphological-divergence-drives-differential-mercury-bioaccumulation-in-polymorphic-european-whitefish-coregonus-lavaretus-populations-of-subarctic-lakes
#2
Kimmo K Kahilainen, Stephen M Thomas, Elina K M Nystedt, Ossi Keva, Tommi Malinen, Brian Hayden
Resource polymorphism, whereby ancestral trophic generalists undergo divergence into multiple specialist morphs, is common in salmonid fish populations inhabiting subarctic lakes. However, the extent to which such resource specialization into the three principal lake habitats (littoral, profundal, and pelagic) affects patterns of contaminant bioaccumulation remains largely unexplored. We assessed total mercury concentrations (THg) of European whitefish (Coregonus lavaretus (L.)) and their invertebrate prey in relation to potential explanatory variables across 6 subarctic lakes, of which three are inhabited by polymorphic (comprised of four morphs) and three by monomorphic populations...
May 20, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28544205/the-impact-of-a-structured-preoperative-protocol-on-day-of-surgery-cancellations
#3
Elina Turunen, Merja Miettinen, Leena Setälä, Katri Vehviläinen-Julkunen
AIMS AND OBJECTIVES: To evaluate the impact of implementing an evidence-based, structured preoperative protocol on day of surgery cancellations in 13 operative specialties. BACKGROUND: Surgery cancellations cause unnecessary harm for patients and organizations since many cancellations could be prevented. Preoperative care has developed in recent years, and several preoperative interventions have been introduced. However, the optimal model for organizing preoperative care remains unknown...
May 25, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28539333/endothelial-markers-expressing-stromal-cells-are-critical-for-kidney-formation
#4
Elina Mukherjee, Katherine Virginia Maringer, Emily Papke, Daniel S Bushnell, Caitlin M Schaefer, Rafael Kramann, Jacqueline Ho, Benjamin D Humphreys, Carlton M Bates, Sunder Sims-Lucas
Kidneys are highly vascularized and contain many distinct vascular beds. However, the origins and roles of developing renal endothelial cells in the formation of the kidney are unclear. We have shown that the Foxd1-positive renal stroma gives rise to endothelial marker expressing progenitors that are incorporated within a subset of peritubular capillaries; however, the significance of these cells is unclear. The purpose of this study was to determine whether deletion of Flk1 in the Foxd1 stroma was important for renal development...
May 24, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28534045/compound-heterozygous-mutations-in-masp1-in-a-deaf-child-with-absent-cochlear-nerves
#5
Elina Kari, Isabelle Schrauwen, Lorida Llaci, Laurel M Fisher, John L Go, Marcus Naymik, James A Knowles, Matthew J Huentelman, Rick A Friedman
No abstract text is available yet for this article.
June 2017: Neurology. Genetics
https://www.readbyqxmd.com/read/28533558/investigating-the-causal-effect-of-smoking-on-hay-fever-and-asthma-a-mendelian-randomization-meta-analysis-in-the-carta-consortium
#6
Tea Skaaby, Amy E Taylor, Rikke K Jacobsen, Lavinia Paternoster, Betina H Thuesen, Tarunveer S Ahluwalia, Sofus C Larsen, Ang Zhou, Andrew Wong, Maiken E Gabrielsen, Johan H Bjørngaard, Claudia Flexeder, Satu Männistö, Rebecca Hardy, Diana Kuh, Sarah J Barry, Line Tang Møllehave, Charlotte Cerqueira, Nele Friedrich, Tobias N Bonten, Raymond Noordam, Dennis O Mook-Kanamori, Christian Taube, Leon E Jessen, Alex McConnachie, Naveed Sattar, Mark N Upton, Charles McSharry, Klaus Bønnelykke, Hans Bisgaard, Holger Schulz, Konstantin Strauch, Thomas Meitinger, Annette Peters, Harald Grallert, Ellen A Nohr, Mika Kivimaki, Meena Kumari, Uwe Völker, Matthias Nauck, Henry Völzke, Chris Power, Elina Hyppönen, Torben Hansen, Torben Jørgensen, Oluf Pedersen, Veikko Salomaa, Niels Grarup, Arnulf Langhammer, Pål R Romundstad, Frank Skorpen, Jaakko Kaprio, Marcus R Munafò, Allan Linneberg
Observational studies on smoking and risk of hay fever and asthma have shown inconsistent results. However, observational studies may be biased by confounding and reverse causation. Mendelian randomization uses genetic variants as markers of exposures to examine causal effects. We examined the causal effect of smoking on hay fever and asthma by using the smoking-associated single nucleotide polymorphism (SNP) rs16969968/rs1051730. We included 231,020 participants from 22 population-based studies. Observational analyses showed that current vs never smokers had lower risk of hay fever (odds ratio (OR) = 0·68, 95% confidence interval (CI): 0·61, 0·76; P < 0·001) and allergic sensitization (OR = 0·74, 95% CI: 0·64, 0·86; P < 0·001), but similar asthma risk (OR = 1·00, 95% CI: 0·91, 1·09; P = 0·967)...
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28531906/tocilizumab-induced-drug-reaction-with-eosinophilia-and-systemic-symptoms-syndrome-in-adult-onset-still-disease-a-case-report
#7
Elina Zuelgaray, Fanny Domont, Nathan Peiffer-Smadja, David Saadoun, Patrice Cacoub
No abstract text is available yet for this article.
May 23, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28531131/the-role-of-interleukin-18-oxidative-stress-and-metabolic-syndrome-in-alzheimer-s-disease
#8
REVIEW
Johanna O Ojala, Elina M Sutinen
The role of interleukins (ILs) and oxidative stress (OS) in precipitating neurodegenerative diseases including sporadic Alzheimer's disease (AD), requires further clarification. In addition to neuropathological hallmarks-extracellular neuritic amyloid-β (Aβ) plaques, neurofibrillary tangles (NFT) containing hyperphosphorylated tau and neuronal loss-chronic inflammation, as well as oxidative and excitotoxic damage, are present in the AD brain. The pathological sequelae and the interaction of these events during the course of AD need further investigation...
May 21, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28526809/tumor-cell-specific-aim2-regulates-growth-and-invasion-of-cutaneous-squamous-cell-carcinoma
#9
Mehdi Farshchian, Liisa Nissinen, Elina Siljamäki, Pilvi Riihilä, Minna Piipponen, Atte Kivisaari, Markku Kallajoki, Reidar Grénman, Juha Peltonen, Sirkku Peltonen, Koen D Quint, Jan Nico Bouwes Bavinck, Veli-Matti Kähäri
Cutaneous squamous cell carcinoma (cSCC) is the most common metastatic skin cancer. Inflammation is a typical feature in cSCC progression. Analysis of the expression of inflammasome components in cSCC cell lines and normal human epidermal keratinocytes revealed upregulation of the expression of AIM2 mRNA and protein in cSCC cells. Elevated levels of AIM2 mRNA were noted in cSCCs in vivo compared with normal skin. Strong and moderate tumor cell specific expression of AIM2 was detected with immunohistochemistry (IHC) in sporadic human cSCCs in vivo, whereas expression of AIM2 was moderate in cSCC in situ (cSCCIS) and low or absent in actinic keratosis (AK) and normal skin...
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28524662/x-ray-emission-spectroscopy-of-biomimetic-mn-coordination-complexes
#10
Scott C Jensen, Katherine M Davis, Brendan T Sullivan, Daniel A Hartzler, Gerald T Seidler, Diego M Casa, Elina Kasman, Hannah E Colmer, Allyssa A Massie, Timothy A Jackson, Yulia N Pushkar
Understanding the function of Mn ions in biological and chemical redox catalysis requires precise knowledge of their electronic structure. X-ray emission spectroscopy (XES) is an emerging technique with growing application to biological and biomimetic systems. Here, we report an improved, cost-effective spec-trometer used to analyze two biomimetic coordination compounds: [MnIV(OH)2(Me2EBC)]2+ and [MnIV(O)(OH)(Me2EBC)]+, the second of which contains a key MnIV=O structural fragment. Despite having the same formal oxidation state (MnIV) and tetradentate ligands, XES spectra from these two compounds demonstrate different electronic structures...
May 19, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28507620/expression-of-e-cadherin-beta-catenin-in-epithelial-carcinomas-of-the-thyroid-gland
#11
Koni Ivanova, Julian Ananiev, Elina Aleksandrova, Maria Magdalena Ignatova, Maya Gulubova
BACKGROUND: The aberrant activation of Wnt signalling pathway may be a common denominator for the development of thyroid tumorigenesis. It was announced that the loss of E-cadherin rather than β-catenin mutation represents a crucial event in determining the degree of differentiation of thyroid carcinomas. AIM: The aim of the study was to evaluate the expression of E-cadherin and β-catenin in the thyroid cancer tissue and to correlate these data with some histological and clinical parameters of the tumours...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28507590/epithelioid-hemangioendothelioma-presenting-as-fever-of-unknown-origin
#12
Natalia Vallianou, Aris Kollas, Nikos Schizas, Elina Theodorakopoulou, Elli Tripodaki, Christina Vourlakou, Ileanna Mani, Nikos Ziras
No abstract text is available yet for this article.
April 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28500782/melatonin-protects-bone-marrow-mesenchymal-stem-cells-against-iron-overload-induced-osteogenic-differentiation-dysfunction-and-senescence
#13
Fan Yang, Lei Yang, Yuan Li, Gege Yan, Chao Feng, Tianyi Liu, Rui Gong, Ye Yuan, Ning Wang, Elina Idiiatullina, Timur Bikkuzin, Valentin Pavlov, Yang Li, Chaorun Dong, Dawei Wang, Yang Cao, Zhenbo Han, Lai Zhang, Qi Huang, Fengzhi Ding, Zhengang Bi, Benzhi Cai
Bone marrow mesenchymal stem cells (BMSCs) are an expandable population of stem cells which can differentiate into osteoblasts, chondrocytes and adipocytes. Dysfunction of BMSCs in response to pathological stimuli contributes to bone diseases. Melatonin, a hormone secreted from pineal gland, has been proved to be an important mediator in bone formation and mineralization. The aim of this study was to investigate whether melatonin protected against iron overload-induced dysfunction of BMSCs and its underlying mechanisms...
May 13, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28500271/causal-associations-of-adiposity-and-body-fat-distribution-with-coronary-heart-disease-stroke-subtypes-and-type-2-diabetes-a-mendelian-randomization-analysis
#14
Caroline Dale, Ghazaleh Fatemifar, Tom Palmer, Jonathan White, David Prieto-Merino, Delilah Zabaneh, Jorgen E L Engmann, Tina Shah, Andrew Wong, Helen R Warren, Stela McLachlan, Stella Trompet, Max Moldovan, Richard W Morris, Reecha Sofat, Meena Kumari, Elina Hyppönen, Barbara J Jefferis, Tom R Gaunt, Yoav Ben-Shlomo, Ang Zhou, Aleksandra Gentry-Maharaj, Andy Ryan, Renée de Mutsert, Raymond Noordam, Mark J Caulfield, J Wouter Jukema, Bradford B Worrall, Patricia B Munroe, Usha Menon, Chris Power, Diana Kuh, Debbie A Lawlor, Steve E Humphries, Dennis O Mook-Kanamori, George Davey Smith, Naveed Sattar, Mika Kivimaki, Jacqueline F Price, Frank Dudbridge, Aroon D Hingorani, Michael V Holmes, Juan-Pablo Casas
Background -Implications of different adiposity measures on cardiovascular disease aetiology remain unclear. In this paper we quantify and contrast causal associations of central adiposity (waist:hip ratio adjusted for BMI (WHRadjBMI)) and general adiposity (body mass index (BMI)) with cardiometabolic disease. Methods -97 independent single nucleotide polymorphisms (SNPs) for BMI and 49 SNPs for WHRadjBMI were used to conduct Mendelian randomization analyses in 14 prospective studies supplemented with CHD data from CARDIoGRAMplusC4D (combined total 66,842 cases), stroke from METASTROKE (12,389 ischaemic stroke cases), type 2 diabetes (T2D) from DIAGRAM (34,840 cases), and lipids from GLGC (213,500 participants) consortia...
May 12, 2017: Circulation
https://www.readbyqxmd.com/read/28498260/combined-gene-therapy-using-adsvegfr2-and-adstie2-with-chemotherapy-reduces-the-growth-of-human-ovarian-cancer-and-formation-of-ascites-in-mice
#15
Laura Tuppurainen, Hanna Sallinen, Anni Karvonen, Elina Valkonen, Hanne Laakso, Timo Liimatainen, Elisa Hytönen, Kirsi Hämäläinen, Veli-Matti Kosma, Maarit Anttila, Seppo Ylä-Herttuala
OBJECTIVES: Ovarian cancer is highly dependent on tumor microvessels and angiogenesis regulated by vascular endothelial growth factors (VEGFs) and their receptors (VEGFRs) and angiopoietins (Ang) and their Tie receptors. We studied the efficacy of adenoviral (Ad) gene therapy with soluble VEGFR2 and Tie2 combined with paclitaxel and carboplatin for the treatment of ovarian cancer. METHODS: An intraperitoneal human ovarian cancer xenograft model in nude mice (n = 44) was used in this study...
June 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28495678/sphingolipid-metabolic-flow-controls-phosphoinositide-turnover-at-the-trans-golgi-network
#16
Serena Capasso, Lucia Sticco, Riccardo Rizzo, Marinella Pirozzi, Domenico Russo, Nina A Dathan, Felix Campelo, Josse van Galen, Maarit Hölttä-Vuori, Gabriele Turacchio, Angelika Hausser, Vivek Malhotra, Isabelle Riezman, Howard Riezman, Elina Ikonen, Chiara Luberto, Seetharaman Parashuraman, Alberto Luini, Giovanni D'Angelo
Sphingolipids are membrane lipids globally required for eukaryotic life. The sphingolipid content varies among endomembranes with pre- and post-Golgi compartments being poor and rich in sphingolipids, respectively. Due to this different sphingolipid content, pre- and post-Golgi membranes serve different cellular functions. The basis for maintaining distinct subcellular sphingolipid levels in the presence of membrane trafficking and metabolic fluxes is only partially understood. Here, we describe a homeostatic regulatory circuit that controls sphingolipid levels at the trans-Golgi network (TGN)...
May 10, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28493971/nonsense-variant-in-col7a1-causes-recessive-dystrophic-epidermolysis-bullosa-in-central-asian-shepherd-dogs
#17
Julia Niskanen, Kati Dillard, Meharji Arumilli, Elina Salmela, Marjukka Anttila, Hannes Lohi, Marjo K Hytönen
A rare hereditary mechanobullous disorder called epidermolysis bullosa (EB) causes blistering in the skin and the mucosal membranes. To date, nineteen EB-related genes have been discovered in human and other species. We describe here a novel EB variant in dogs. Two newborn littermates of Central Asian Shepherd dogs with severe signs of skin blistering were brought to a veterinary clinic and euthanized due to poor prognosis. In post-mortem examination, the puppies were shown to have findings in the skin and the mucosal membranes characteristic of EB...
2017: PloS One
https://www.readbyqxmd.com/read/28493305/editorial
#18
EDITORIAL
Elina Toskala
No abstract text is available yet for this article.
May 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28487778/cl-ii-malocclusion-treatment-using-the-modified-twin-block-appliance-coordinated-with-fixed-orthodontics-in-a-postmenarche-patient
#19
Amin Aminian, Shahriar Sarvareh Azimzadeh, Elina Rahmanian
Functional appliances have been used for treatment of Class II patients for a long time. The main objective of therapy with functional appliances is to induce supplementary lengthening of the mandible by stimulating increased growth at the condylar cartilage. The Twin Block appliance is one of the most commonly used functional appliances. The aim of this paper is to present a case report of mandibular deficiency treatment with Twin Block appliance in a female patient whose sexual maturation (one and a half years after menarche) and cervical vertebral maturation stage indicated the end of the growth peak...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28486043/randomized-phase-ii-study-of-azacitidine-alone-or-in-combination-with-lenalidomide-or-with-vorinostat-in-higher-risk-myelodysplastic-syndromes-and-chronic-myelomonocytic-leukemia-north-american-intergroup-study-swog-s1117
#20
Mikkael A Sekeres, Megan Othus, Alan F List, Olatoyosi Odenike, Richard M Stone, Steven D Gore, Mark R Litzow, Rena Buckstein, Min Fang, Diane Roulston, Clara D Bloomfield, Anna Moseley, Aziz Nazha, Yanming Zhang, Mario R Velasco, Rakesh Gaur, Ehab Atallah, Eyal C Attar, Elina K Cook, Alyssa H Cull, Michael J Rauh, Frederick R Appelbaum, Harry P Erba
Purpose Azacitidine is standard, first-line therapy in higher-risk myelodysplastic syndromes (MDS). Whether azacitidine-based combinations with lenalidomide or vorinostat produce superior overall response rates (ORRs) to azacitidine is not known. Patients and Methods North American Intergroup Study S1117 is a phase II/III trial that randomly assigned patients with higher-risk MDS and chronic myelomonocytic leukemia (CMML) 1:1:1 to azacitidine (75 mg/m(2)/day on days 1 to 7 of a 28-day cycle); azacitidine plus lenalidomide (10 mg/day on days 1 to 21); or azacitidine plus vorinostat (300 mg twice daily on days 3 to 9)...
May 9, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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