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https://www.readbyqxmd.com/read/27924473/non-nucleotide-modification-of-anti-mirna-oligonucleotides
#1
Kim A Lennox, Christopher A Vakulskas, Mark A Behlke
MicroRNAs (miRNAs) are important modulators of gene expression. Synthetic anti-microRNA oligonucleotides (AMOs, or anti-miRs) are a form of steric-blocking antisense oligonucleotides (ASOs) that inhibit miRNA function through high-affinity binding and subsequent inactivation and/or degradation of the targeted miRNA. AMOs are a primary tool used to empirically determine the biological targets of a miRNA and can also be used therapeutically when overexpression of a miRNA contributes to a disease state. Chemical modification of synthetic AMOs enhance potency by protecting the oligonucleotide from nuclease degradation and by increasing binding affinity to the target miRNA...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27917084/sofosbuvir-and-simeprevir-combination-therapy-for-hcv-genotype-1-infection-results-of-a-single-center-va-experience
#2
Seth N Sclair, Maria Del Pilar Hernandez, Evan Vance, Dani Gilinski, Helen Youtseff, Maribel Toro, Marie Antoine, Lennox J Jeffers, Adam Peyton
Treatment of chronic hepatitis C virus (HCV) infection remains a priority in the veterans affairs (VA) health care system nationwide, as there is a high burden of liver disease due to HCV infection among US veterans. The combination of sofosbuvir and simeprevir was the first all-oral antiviral regimen used in clinical practice to treat veterans with HCV infection. In this study, we report a single-center experience showing both the feasibility and effectiveness of this all-oral combination to treat HCV genotype 1 infection...
August 2016: Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/27916527/dynamic-mrna-transport-and-local-translation-in-radial-glial-progenitors-of-the-developing-brain
#3
Louis-Jan Pilaz, Ashley L Lennox, Jeremy P Rouanet, Debra L Silver
In the developing brain, neurons are produced from neural stem cells termed radial glia [1, 2]. Radial glial progenitors span the neuroepithelium, extending long basal processes to form endfeet hundreds of micrometers away from the soma. Basal structures influence neuronal migration, tissue integrity, and proliferation [3-7]. Yet, despite the significance of these distal structures, their cell biology remains poorly characterized, impeding our understanding of how basal processes and endfeet influence neurogenesis...
November 30, 2016: Current Biology: CB
https://www.readbyqxmd.com/read/27916138/alcohol-exposure-differentially-effects-anti-tumor-immunity-in-females-by-altering-dendritic-cell-function
#4
Matthew G Thompson, Flor Navarro, Lennox Chitsike, Luis Ramirez, Elizabeth J Kovacs, Stephanie K Watkins
Dendritic cells (DCs) are a critical component of anti-tumor immunity due to their ability to induce a robust immune response to antigen (Ag). Alcohol was previously shown to reduce DC ability to present foreign Ag and promote pro-inflammatory responses in situations of infection and trauma. However the impact of alcohol exposure on generation of an anti-tumor response, especially in the context of generation of an immune vaccine has not been examined. In the clinic, DC vaccines are typically generated from autologous blood, therefore prior exposure to substances such as alcohol may be a critical factor to consider regarding the effectiveness in generating an immune response...
December 2016: Alcohol
https://www.readbyqxmd.com/read/27913561/hospitals-and-patients-working-in-unity-how-r-u-protocol-for-a-prospective-feasibility-study-of-telephone-peer-support-to-improve-older-patients-quality-of-life-after-emergency-department-discharge
#5
Judy A Lowthian, Alyse Lennox, Andrea Curtis, Jeremy Dale, Colette Browning, De Villiers Smit, Gillian Wilson, Debra O'Brien, Cate Rosewarne, Lee Boyd, Cath Garner, Peter Cameron
INTRODUCTION: Older people presenting to an emergency department (ED) have a higher likelihood of social isolation, loneliness and depression; which are all associated with negative health outcomes and increased health service use, including higher rates of ED attendance. The HOW R U? study aims to ascertain the feasibility and acceptability of a postdischarge telephone support programme for older ED patients following discharge. The intervention, which aims to improve quality of life, will be delivered by hospital-based volunteers...
December 2, 2016: BMJ Open
https://www.readbyqxmd.com/read/27868478/genetic-diversity-and-gene-flow-of-four-south-african-venturia-inaequalis-apple-scab-populations
#6
Trevor A Koopman, Julia Christine Meitz-Hopkins, Aletta E Bester-van der Merwe, Kenneth R Tobutt, Cecilia Bester, Cheryl L Lennox
Venturia inaequalis isolates were collected during the 2012/13 and 2013/14 seasons from the four principal apple growing regions of South Africa, Elgin (N=114), Koue Bokkeveld (N=126), Lower Langkloof (N=92) and Upper Langkloof (N=103). Sequence analysis of the ribosomal internal transcribed spacer (ITS) gene regions, and genotyping with six (2012/13) and seven (2013/14) microsatellite (SSR) markers, was conducted. A subset of 12 isolates from the individual ITS haplotype groups were sequenced for the translation elongation factor-1 alpha (TEF1) and the large subunit of the RNA polymerases II (RBP1) gene regions...
November 21, 2016: Phytopathology
https://www.readbyqxmd.com/read/27857813/anesthetic-management-of-a-child-with-lennox-gastaut-syndrome-with-intractable-epilepsy-posted-for-intracranial-surgery
#7
Indu Kapoor, Girija Prasad Rath
No abstract text is available yet for this article.
July 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/27846468/therapeutic-effects-of-the-ketogenic-diet-in-children-with-lennox-gastaut-syndrome
#8
Yunjian Zhang, Yi Wang, Yuanfeng Zhou, Linmei Zhang, Lifei Yu, Shuizhen Zhou
OBJECTIVE: The aim of this study was to evaluate the efficacy of the ketogenic diet (KD) on the clinical and electroencephalographic (EEG) features of Lennox-Gastaut syndrome (LGS) and explore the relationships between EEG changes and clinical efficacy. METHODS: We retrospectively studied 47 patients with LGS who accepted KD therapy between May 2011 and May 2015. Clinical efficacy and EEG features such as background activity, abnormal interictal epileptic discharges (IEDs) and the discharge location were evaluated prior to and at 3 and 6 months after therapy...
December 2016: Epilepsy Research
https://www.readbyqxmd.com/read/27827811/lacosamide-in-lennox-gastaut-syndrome-caution-is-still-needed
#9
REVIEW
Edoardo Ferlazzo, Sara Gasparini, Chiara Sueri, Vittoria Cianci, Umberto Aguglia
No abstract text is available yet for this article.
December 2016: Journal of Child Neurology
https://www.readbyqxmd.com/read/27806796/-dynamin-1-related-infantile-spasms-a-case-report-and-review-of-literature
#10
X L Deng, F Yin, C L Zhang, Y P Ma, F He, L W Wu, J Peng
Objective: To analyze the clinical and gene mutation characteristics of dynamin-1 (DNM1)-related infantile spasms. Method: Clinical, laboratory and genetic data of one case of DNM1-related infantile spasms diagnosed by Xiangya Hospital in September 2015 were analyzed.Through taking "Dynamin-1" "DNM1" as key words to search at CNKI, Wanfang, PubMed and OMIM to date (April 2016), the clinical characteristics of 9 reported cases of DNM1-related epileptic encephalopathy in international literature with our case were reviewed...
November 2, 2016: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/27798015/economic-impact-of-early-intervention-in-psychosis-services-results-from-a-longitudinal-retrospective-controlled-study-in-england
#11
Apostolos Tsiachristas, Tony Thomas, Jose Leal, Belinda R Lennox
OBJECTIVES: To demonstrate the costs, outcomes and economic impact of early intervention in psychosis (EIP) services. DESIGN: Longitudinal retrospective observational study of service usage and outcome data from mental health and acute care services for all those with a diagnosis of psychosis in contact with mental health services over a 3-year period (April 2010-March 2013). SETTING: Thames Valley and South Midlands region in England (region covered by Oxford Academic Health Science Network)...
October 20, 2016: BMJ Open
https://www.readbyqxmd.com/read/27795832/fertility-sparing-management-in-cervical-cancer-balancing-oncologic-outcomes-with-reproductive-success
#12
REVIEW
Karla Willows, Genevieve Lennox, Allan Covens
BACKGROUND: Cervical cancer is the fourth most common cancer among women worldwide, many of who are still within their reproductive lifespan. Advances in screening and treatment have increased the 5-year survival for early stage disease to over 90 % in developed countries. The focus is now shifting to reducing morbidity and improving fertility outcomes for cervical cancer patients. Radical trachelectomy with lymph node assessment became the standard of care for selected women with lesions <2 cm who desire fertility preservation...
2016: Gynecologic Oncology Research and Practice
https://www.readbyqxmd.com/read/27781027/understanding-genotypes-and-phenotypes-in-epileptic-encephalopathies
#13
REVIEW
Ingo Helbig, Abou Ahmad N Tayoun
Epileptic encephalopathies are severe often intractable seizure disorders where epileptiform abnormalities contribute to a progressive disturbance in brain function. Often, epileptic encephalopathies start in childhood and are accompanied by developmental delay and various neurological and non-neurological comorbidities. In recent years, this concept has become virtually synonymous with a group of severe childhood epilepsies including West syndrome, Lennox-Gastaut syndrome, Dravet syndrome, and several other severe childhood epilepsies for which genetic factors are increasingly recognized...
September 2016: Molecular Syndromology
https://www.readbyqxmd.com/read/27778212/survival-after-chemotherapy-and-stem-cell-transplant-followed-by-delayed-craniospinal-irradiation-is-comparable-to-upfront-craniospinal-irradiation-in-pediatric-embryonal-brain-tumor-patients
#14
David R Raleigh, Bryan Tomlin, Benedict Del Buono, Erika Roddy, Katherine Sear, Lennox Byer, Erin Felton, Anu Banerjee, Joseph Torkildson, David Samuel, Biljana Horn, Steve E Braunstein, Daphne A Haas-Kogan, Sabine Mueller
Pediatric embryonal brain tumor patients treated with craniospinal irradiation (CSI) are at risk for adverse effects, with greater severity in younger patients. Here we compare outcomes of CSI vs. high-dose chemotherapy (HD), stem cell transplant (SCT) and delayed CSI in newly diagnosed patients. Two hundred one consecutive patients treated for medulloblastoma (72 %), supratentorial primitive neuroectodermal tumor (sPNET; 18 %) or pineoblastoma (10 %) at two institutions between 1988 and 2014 were retrospectively identified...
October 24, 2016: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/27759392/unravelling-the-mechanism-of-basic-aqueous-methanol-dehydrogenation-catalyzed-by-ru-pnp-pincer-complexes
#15
Elisabetta Alberico, Alastair J J Lennox, Lydia K Vogt, Haijun Jiao, Wolfgang Baumann, Hans-Joachim Drexler, Martin Nielsen, Anke Spannenberg, Marek P Checinski, Henrik Junge, Matthias Beller
Ruthenium PNP complex 1a (RuH(CO)Cl(HN(C2H4Pi-Pr2)2)) represents a state-of-the-art catalyst for low-temperature (<100 °C) aqueous methanol dehydrogenation to H2 and CO2. Herein, we describe an investigation that combines experiment, spectroscopy and theory to provide a mechanistic rationale for this process. During catalysis, the presence of two anionic resting states was revealed, Ru-dihydride (3-) and Ru-monohydride (4-) that are deprotonated at nitrogen in the pincer ligand backbone. DFT calculations showed that O- and CH- coordination modes of methoxide to ruthenium compete, and form complexes 4- and 3-, respectively...
October 19, 2016: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/27742472/can-sentinel-lymph-node-biopsy-replace-pelvic-lymphadenectomy-for-early-cervical-cancer
#16
Genevieve K Lennox, Allan Covens
OBJECTIVE: Evaluate recurrence-free survival (RFS) and short-term morbidity in patients with early cervical cancer who undergo bilateral pelvic lymphadenectomy (BPLND) versus bilateral sentinel lymph node biopsy only (BSLNB) at primary surgery. METHODS: All patients with pathologically confirmed node negative stage IA/IB cervical cancer managed with BPLND or BSLNB were identified in the University of Toronto's prospective cervical cancer database from May 1984-June 2015...
October 11, 2016: Gynecologic Oncology
https://www.readbyqxmd.com/read/27740516/daclatasvir-and-peginterferon-ribavirin-for-black-african-american-and-latino-patients-with-hcv-infection
#17
Maribel Rodriguez-Torres, Eric Lawitz, Bienvenido Yangco, Lennox Jeffers, Steven-Huy Han, Paul J Thuluvath, Vinod Rustgi, Stephen Harrison, Reem Ghalib, John M Vierling, Velimir Luketic, Philippe J Zamor, Natarajan Ravendhran, Timothy R Morgan, Brian Pearlman, Christopher O'Brien, Hicham Khallafi, Nikolaos Pyrsopoulos, George Kong, Fiona McPhee, Philip D Yin, Eric Hughes, Michelle Treitel
:  Background. Patient race and ethnicity have historically impacted HCV treatment response. This phase 3 study evaluated daclatasvir with peginterferon-alfa-2a/ribavirin (pegIFN alfa-2a/RBV) in treatment-naive black/African American (AA), Latino, and white non-Latino patients with chronic HCV genotype 1 infection. MATERIAL AND METHODS: In this single-arm, open-label study, 246 patients received daclatasvir plus pegIFN alfa-2a and weight-based RBV. Patients with an extended rapid virologic response (eRVR; undetectable HCV-RNA at treatment weeks 4 and 12) received 24 weeks of treatment; those without eRVR received an additional 24 weeks of treatment with pegIFN alfa-2a/RBV...
November 2016: Annals of Hepatology
https://www.readbyqxmd.com/read/27723253/a-comprehensive-renal-vascular-access-clinic-results-in-improved-patient-outcomes-and-reduced-costs
#18
Shannon D Thomas, Eugenia C Ip, Nedal Katib, Debbie Pugh, Andrew Lennox, Zoltan Endre, Elaine Tan, Chris Ellery, Ramon L Varcoe
BACKGROUND: Management of vascular access for haemodialysis is a leading cause of morbidity and hospitalization in patients with end-stage renal disease. We sought to evaluate the change in admission and procedural outcomes before and after the establishment of a vascular surgeon-led comprehensive renal vascular access clinic (RVAC). METHOD: A retrospective clinical study was conducted after an RVAC was established in January 2013, with retrospective database created for the 24-month period prior to and after...
October 9, 2016: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/27722259/directing-the-viedma-ripening-of-ethylenediammonium-sulfate-using-tailor-made-chiral-additives
#19
Thi Phuong Thao Nguyen, Pui Shan Monica Cheung, Liora Werber, Jacinthe Gagnon, Reajean Sivakumar, Cameron Lennox, Aaron Sossin, Yitzhak Mastai, Louis A Cuccia
Both enantiomers of trans-cyclohexane-1,2-diammonium sulfate and trans-1,2-diphenylethylenediammonium sulfate were used as "tailor-made" additives to direct the mirror-symmetry breaking in the attrition-enhanced deracemization (i.e. Viedma ripening) of conglomerate crystals of ethylenediammonium sulfate (EDS). Isothermal titration calorimetry (ITC) shows chiral recognition of (1R,2R)- and (1S,2S)-1,2-diphenylethylenediamine to EDS crystals where the enthalpy of adsorption of the (1R,2R)-isomer on l-EDS crystals is higher in comparison to that on d-EDS crystals...
October 18, 2016: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/27717344/erratum-to-intellectual-disability-health-content-within-medical-curriculum-an-audit-of-what-our-future-doctors-are-taught
#20
Julian N Trollor, Beth Ruffell, Jane Tracy, Jennifer J Torr, Seeta Durvasula, Teresa Iacono, Claire Eagleson, Nicolas Lennox
No abstract text is available yet for this article.
October 5, 2016: BMC Medical Education
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