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https://www.readbyqxmd.com/read/29786971/intergenerational-teen-pregnancy-a-population-based-cohort-study
#1
Ning Liu, Simone N Vigod, M Michèle Farrugia, Marcelo L Urquia, Joel G Ray
OBJECTIVE: To estimate the intergenerational association in teenage pregnancy, and whether there is a coupling tendency between a mother and daughter in how their teen pregnancies end, such as an induced abortion (IA) vs. a livebirth. DESIGN: Population-based cohort study. SETTING: Ontario, Canada. POPULATION: 15,097 mothers and their 16,177 daughters. METHODS: Generalized estimating equations generated adjusted odds ratios (aOR) of a daughter experiencing a teen pregnancy in relation to the number of teen pregnancies her mother had...
May 22, 2018: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29786964/a-thorough-qt-qtc-study-with-laquinimod-a-novel-immunomodulator-in-development-for-multiple-sclerosis-and-huntington-disease
#2
Ofer Spiegelstein, Dorit Mimrod, Laura Rabinovich, Eli Eyal, Craig Sprenger, Anna Elgart, Emil Samara, Joel Morganroth
In this randomized double-blind study, 4 groups of healthy subjects (50 per arm) participated to evaluate the effect of laquinimod, an oral treatment in development for multiple sclerosis and Huntington disease, on the QTc interval. Subjects received a dose of either 0.6 or 1.2 mg/day laquinimod for 14 days, placebo for 14 days, or 13 days of placebo followed by a dose of 400 mg moxifloxacin on day 14. Continuous 12-lead electrocardiograms were recorded on day -1 (baseline) and days 14 to 17,  and quadruplicate electrocardiograms were extracted at predefined time points...
May 22, 2018: Clinical Pharmacology in Drug Development
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/29786479/seasonal-variation-in-iodine-intake-and-the-circannual-rhythm-in-tsh
#4
Joel Ehrenkranz
n/a.
May 22, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29786465/trunk-stability-enabled-by-non-invasive-spinal-electrical-stimulation-after-spinal-cord-injury
#5
Mrinal Rath, Albert H Vette, Shyamsundar Ramasubramaniam, Kun Li, Joel Burdick, Victor Reggie Edgerton, Yury Gerasimenko, Dimitry Sayenko
Electrical neuromodulation of spinal networks improves the control of movement of the paralyzed limbs after spinal cord injury (SCI). However, the potential of non-invasive spinal stimulation to facilitate postural trunk control during sitting in humans with SCI has not been investigated. We hypothesized that transcutaneous electrical stimulation of the lumbosacral enlargement can improve trunk posture. Eight participants with non-progressive SCI, C3-T9, AIS A or C, performed different motor tasks during sitting...
May 22, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29785844/regularity-extraction-across-species-associative-learning-mechanisms-shared-by-human-and-non-human-primates
#6
Arnaud Rey, Laure Minier, Raphaëlle Malassis, Louisa Bogaerts, Joël Fagot
Extracting the regularities of our environment is a core cognitive ability in human and non-human primates. Comparative studies may provide information of strong heuristic value to constrain the elaboration of computational models of regularity learning. This study illustrates this point by testing human and non-human primates (Guinea baboons, Papio papio) with the same experimental paradigm, using a novel online learning measure. For local co-occurrence regularities, we found similar patterns of regularity extraction in baboons and humans...
May 21, 2018: Topics in Cognitive Science
https://www.readbyqxmd.com/read/29785839/optimization-of-a-secondary-voi-protocol-for-lung-imaging-in-a-clinical-ct-scanner
#7
Thomas C Larsen, Vissagan Gopalakrishnan, Jianhua Yao, Catherine P Nguyen, Marcus Y Chen, Joel Moss, Han Wen
We present a solution to meet an unmet clinical need of an in-situ "close look" at a pulmonary nodule or at the margins of a pulmonary cyst revealed by a primary (screening) chest CT while the patient is still in the scanner. We first evaluated options available on current whole-body CT scanners for high resolution screening scans, including ROI reconstruction of the primary scan data and HRCT, but found them to have insufficient SNR in lung tissue or discontinuous slice coverage. Within the capabilities of current clinical CT systems, we opted for the solution of a secondary, volume-of-interest (VOI) protocol where the radiation dose is focused into a short-beam axial scan at the z position of interest, combined with a small-FOV reconstruction at the xy position of interest...
May 21, 2018: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29785671/agarolytic-culturable-bacteria-associated-with-three-antarctic-subtidal-macroalgae
#8
Verónica Sánchez Hinojosa, Joel Asenjo, Sergio Leiva
Bacterial communities of Antarctic marine macroalgae remain largely underexplored in terms of diversity and biotechnological applications. In this study, three Antarctic subtidal macroalgae (Himantothallus grandifolius, Pantoneura plocamioides and Plocamium cartilagineum), two of them endemic of Antarctica, were investigated as a source for isolation of agar-degrading bacteria. A total of 21 epiphytic isolates showed agarolytic activity at low temperature on agar plates containing agar as the sole carbon source...
May 21, 2018: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/29785014/3-utr-shortening-represses-tumor-suppressor-genes-in-trans-by-disrupting-cerna-crosstalk
#9
Hyun Jung Park, Ping Ji, Soyeon Kim, Zheng Xia, Benjamin Rodriguez, Lei Li, Jianzhong Su, Kaifu Chen, Chioniso P Masamha, David Baillat, Camila R Fontes-Garfias, Ann-Bin Shyu, Joel R Neilson, Eric J Wagner, Wei Li
Widespread mRNA 3' UTR shortening through alternative polyadenylation 1 promotes tumor growth in vivo 2 . A prevailing hypothesis is that it induces proto-oncogene expression in cis through escaping microRNA-mediated repression. Here we report a surprising enrichment of 3'UTR shortening among transcripts that are predicted to act as competing-endogenous RNAs (ceRNAs) for tumor-suppressor genes. Our model-based analysis of the trans effect of 3' UTR shortening (MAT3UTR) reveals a significant role in altering ceRNA expression...
May 21, 2018: Nature Genetics
https://www.readbyqxmd.com/read/29784645/harnessing-post-translational-modifications-for-next-generation-hiv-immunogens
#10
REVIEW
Joel D Allen, Rogier W Sanders, Katie J Doores, Max Crispin
The extensive post-translational modifications of the envelope spikes of the human immunodeficiency virus (HIV) present considerable challenges and opportunities for HIV vaccine design. These oligomeric glycoproteins typically have over 30 disulfide bonds and around a 100 N-linked glycosylation sites, and are functionally dependent on protease cleavage within the secretory system. The resulting mature structure adopts a compact fold with the vast majority of its surface obscured by a protective shield of glycans which can be targeted by broadly neutralizing antibodies (bnAbs)...
May 21, 2018: Biochemical Society Transactions
https://www.readbyqxmd.com/read/29783990/severe-hepatopathy-and-neurological-deterioration-after-start-of-valproate-treatment-in-a-6-year-old-child-with-mitochondrial-tryptophanyl-trna-synthetase-deficiency
#11
Elise Vantroys, Joél Smet, Arnaud V Vanlander, Sarah Vergult, Ruth De Bruyne, Frank Roels, Hedwig Stepman, Herbert Roeyers, Björn Menten, Rudy Van Coster
BACKGROUND: The first subjects with deficiency of mitochondrial tryptophanyl-tRNA synthetase (WARS2) were reported in 2017. Their clinical characteristics can be subdivided into three phenotypes (neonatal phenotype, severe infantile onset phenotype, Parkinson-like phenotype). RESULTS: Here, we report on a subject who presented with early developmental delay, motor weakness and intellectual disability and who was considered during several years as having a non-progressive encephalopathy...
May 21, 2018: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/29783085/indoor-black-carbon-and-biomarkers-of-systemic-inflammation-and-endothelial-activation-in-copd-patients
#12
Eric Garshick, Stephanie T Grady, Jaime E Hart, Brent A Coull, Joel D Schwartz, Francine Laden, Marilyn L Moy, Petros Koutrakis
RATIONALE: Evidence linking traffic-related particle exposure to systemic effects in chronic obstructive lung disease (COPD) patients is limited. OBJECTIVES: Assess relationships between indoor black carbon (BC), a tracer of traffic-related particles, and plasma biomarkers of systemic inflammation and endothelial activation. METHODS: BC was measured by reflectance in fine particle samples over a mean of 7.6 days in homes of 85 COPD patients up to 4 times seasonally over a year...
May 18, 2018: Environmental Research
https://www.readbyqxmd.com/read/29782887/endoscopic-injection-of-low-dose-triamcinolone-a-simple-minimally-invasive-and-effective-therapy-for-interstitial-cystitis-with-hunner-lesions
#13
Michael G Funaro, Alexandra N King, Joel N H Stern, Robert M Moldwin, Sonia Bahlani
OBJECTIVES: To investigate the efficacy of low dose triamcinolone injection for effectiveness and durability in interstitial cystitis/bladder pain syndrome (IC/BPS) patients with Hunner Lesions (HL). MATERIALS & METHODS: Clinical data from patients with HL who underwent endoscopic submucosal injection of triamcinolone were reviewed: Demographics, pre/post operative pain and nocturia scores, and long-term clinical outcomes were assessed. Duration of response was estimated by time to repeat procedure...
May 18, 2018: Urology
https://www.readbyqxmd.com/read/29782824/apoe-%C3%AE%C2%B54-associates-with-hippocampal-volume-learning-and-memory-across-the-spectrum-of-alzheimer-s-disease-and-dementia-with-lewy-bodies
#14
Usman Saeed, Saira S Mirza, Bradley J MacIntosh, Nathan Herrmann, Julia Keith, Joel Ramirez, Sean M Nestor, Qinggang Yu, Jo Knight, Walter Swardfager, Steven G Potkin, Ekaterina Rogaeva, Peter St George-Hyslop, Sandra E Black, Mario Masellis
INTRODUCTION: Although the apolipoprotein E ε4-allele (APOE-ε4) is a susceptibility factor for Alzheimer's disease (AD) and dementia with Lewy bodies (DLB), its relationship with imaging and cognitive measures across the AD/DLB spectrum remains unexplored. METHODS: We studied 298 patients (AD = 250, DLB = 48; 38 autopsy confirmed; NCT01800214) using neuropsychological testing, volumetric magnetic resonance imaging, and APOE genotyping to investigate the association of APOE-ε4 with hippocampal volume and learning/memory phenotypes, irrespective of diagnosis...
May 18, 2018: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/29782482/trauma-patients-are-safe-to-fly-72-hours-after-tube-thoracostomy-removal
#15
David Zonies, Joel Elterman, Christopher Burns, Vincent Paul, John Oh, Jeremy Cannon
BACKGROUND: Current recommendations for safe air travel following traumatic pneumothorax are 2-3 weeks after radiographic resolution. These recommendations are based on several small observational studies and expert consensus which cite a theoretical risk of recurrence and hypoxia due to decreased oxygen tension at altitude. We sought to systematically study the timing of chest drain removal after traumatic pneumothorax and risk of recurrence in relation to air travel. METHODS: A retrospective cohort study of consecutively admitted patients who sustained a traumatic chest injury treated with tube thoracostomy over a 5-year period was undertaken...
May 18, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29782467/age-and-crc-risk-in-the-serrated-pathway
#16
Joseph C Anderson, Joel B Levine
No abstract text is available yet for this article.
May 18, 2018: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29782312/naturalistic-driving-study-investigating-self-regulation-behavior-in-early-alzheimer-s-disease-a-pilot-study
#17
Laurence Paire-Ficout, Sylviane Lafont, Fanny Conte, Amandine Coquillat, Colette Fabrigoule, Joël Ankri, Frédéric Blanc, Cécilia Gabel, Jean-Luc Novella, Isabella Morrone, Rachid Mahmoudi
BACKGROUND: Because cognitive processes decline in the earliest stages of Alzheimer's disease (AD), the driving abilities are often affected. The naturalistic driving approach is relevant to study the driving habits and behaviors in normal or critical situations in a familiar environment of participants. OBJECTIVE: This pilot study analyzed in-car video recordings of naturalistic driving in patients with early-stage AD and in healthy controls, with a special focus on tactical self-regulation behavior...
May 16, 2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29781877/human-papillomavirus-genotypes-in-invasive-cervical-carcinoma-in-hiv-seropositive-and-seronegative-women-in-zimbabwe
#18
Washington Mudini, Joel Michael Palefsky, Martin John Hale, Michael Zvavahera Chirenje, Rudo Tanyaradzwa Makunike-Mutasa, Fiona Mutisi, Alltalents Murahwa, Altini Mario
BACKGROUND: Invasive cervical carcinoma (ICC) accounts for 23% of all cancer-related deaths in Zimbabwean women. Trials for a national program of genotype-specific HPV vaccines are underway to prevent cervical carcinoma, but the distribution of HPV types among women with ICC according to HIV status is unknown. METHODS: To determine prevalence and distribution of high-risk HPV genotypes by HIV status in women with ICC, we performed a cross-sectional study on women referred for ICC testing at four urban referral hospitals in Zimbabwe from June 2014 - December 2015...
May 16, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29781135/non-adjacent-dependencies-processing-in-human-and-non-human-primates
#19
Raphaëlle Malassis, Arnaud Rey, Joël Fagot
Human and non-human primates share the ability to extract adjacent dependencies and, under certain conditions, non-adjacent dependencies (i.e., predictive relationships between elements that are separated by one or several intervening elements in a sequence). In this study, we explore the online extraction dynamics of non-adjacent dependencies in humans and baboons using a serial reaction time task. Participants had to produce three-target sequences containing deterministic relationships between the first and last target locations...
May 20, 2018: Cognitive Science
https://www.readbyqxmd.com/read/29780730/robotic-left-lower-sleeve-lobectomy-with-bronchoplasty-for-the-removal-of-a-carcinoid-tumour
#20
Gerald J S Tan, Jun Shang Poon, Paul L Z Khoo, Andrel W H Yoong, Marco Nardini, Joel Dunning
Lung carcinoid tumours constitute approximately 1-2% of all pulmonary tumours. They are derived from enterochromaffin cells, which are also known as 'Kulchitsky cells' and generally have indolent growth and development patterns. Carcinoid tumours are categorized as typical or atypical, depending on the number of mitoses per high power field and the presence of necrosis. In terms of management, surgical resection has been recognized to be the standard treatment for pulmonary carcinoid tumours. To our knowledge, the da Vinci system and robotic surgery have not been applied in sleeve lobectomies and bronchoplasty for the removal of carcinoid tumours in the United Kingdom...
2018: Journal of Visualized Surgery
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