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https://www.readbyqxmd.com/read/28102486/atypical-teratoid-rhabdoid-tumor-in-the-first-year-of-life-the-canadian-atrt-registry-experience-and-review-of-the-literature
#1
Mary Fossey, Haocheng Li, Samina Afzal, Anne-Sophie Carret, David D Eisenstat, Adam Fleming, Juliette Hukin, Cynthia Hawkins, Nada Jabado, Donna Johnston, Tania Brown, Valerie Larouche, Katrin Scheinemann, Douglas Strother, Beverly Wilson, Shayna Zelcer, Annie Huang, Eric Bouffet, Lucie Lafay-Cousin
While 2/3 of patients with ATRT are less than 3 years at diagnosis, the literature suggests younger children present with more aggressive disease and poorer outcome. However, little data exist on characteristics and outcome of patients diagnosed with ATRT in the first year of life. In particular, it is unclear whether they access similar treatments as do older children. We compared the cohort of patients ≤12 months from the Canadian ATRT registry to all cases extracted from the literature reported between 1996 and 2014 to describe their clinical and treatment characteristics, and potential prognostic factors...
January 19, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28097097/mir-29a-promotes-lipid-droplet-and-triglyceride-formation-in-hcv-infection-by-inducing-expression-of-srebp-1c-and-cav1
#2
Mennatallah Mamdouh Mahdy, Nada Magdy El-Ekiaby, Rana Mahmoud Hashish, Radwa Ayman Salah, Rasha Sayed Hanafi, Hassan Mohamed El-Said Azzazy, Ahmed Ihab Abdelaziz
Aims: To examine the regulation of SREBP-1c and CAV1 by microRNA-29a (miR-29a) in cells infected with hepatitis C virus (HCV) in an attempt to control HCV-induced non-alcoholic fatty liver disease. Methods: In order to examine the manipulation of SREBP-1c and CAV1 by miR-29a, oleic acid (OA)-treated JFH-I-infected Huh-7 cells were used. OA was added 24 h post-transfection and gene expression was investigated by qRT-PCR at 48 h post treatment. The functional impact of the observed alteration in SREBP-1c and CAV1 expression was analyzed by examining lipid droplet (LD) and triglyceride (TG) content at 72 h post-OA treatment using light microscopy and spectrophotometry, respectively...
December 28, 2016: Journal of Clinical and Translational Hepatology
https://www.readbyqxmd.com/read/28096551/the-natural-evolution-of-idiophatic-epimacular-membrane
#3
Libor Hejsek, Alexandr Stepanov, Alena Dohnalova, Tereza Rehakova, Nada Jiraskova
BACKGROUND AND AIMS: Epiretinal membrane (ERM) refers to a semi-translucent tissue layer found on the inner surface of the retina especially in older people. Surgical treatment remains controversial, optimal timing for such treatment is difficult to determine and data on the natural evolution of this disorder are limited. In this study we evaluated the natural course of idiopathic epimacular membrane in 49 patients (53 eyes). MATERIALS AND METHODS: Retrospective evaluation of a group of 49 patients (53 eyes) with idiopathic epimacular membrane confirmed by biomicroscopy, photography and optical coherence tomography (OCT)...
January 13, 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/28096050/-incidence-of-accidental-exposure-to-blood-and-body-fluids-among-healthcare-professionals-in-a-community-hospital
#4
Cristina Pérez Ruiz, Miquel Torres Salinas, Gloria de la Red Bellvis, Nada Msabri, Esther Niño Aragón, Javier Sobrino Martínez
OBJECTIVE: To determine the annual incidence of healthcare professionals' accidental exposure to blood and body fluids in a community hospital and describe their characteristics, associated situations and follow-up. METHOD: A longitudinal, retrospective study of biological accidents voluntarily reported on a yearly basis by exposed healthcare professionals at Fundació Hospital de l'Esperit Sant (in Santa Coloma de Gramenet, Barcelona, Spain), between 2005 and 2014...
October 27, 2016: Gaceta Sanitaria
https://www.readbyqxmd.com/read/28095032/the-trajectories-of-overall-disability-in-the-first-5-years-after-moderate-and-severe-traumatic-brain-injury
#5
Marit V Forslund, Cecilie Roe, Paul B Perrin, Solrun Sigurdardottir, Juan Lu, Svein Berntsen, Nada Andelic
PRIMARY OBJECTIVES: To assess longitudinal trajectories of overall disability after moderate-to-severe traumatic brain injury (TBI) and to examine whether those trajectories could be predicted by socio-demographic and injury characteristics. METHODS: Demographics and injury characteristics of 105 individuals with moderate-to-severe TBI were extracted from medical records. At the 1-, 2-, and 5-year follow-ups, TBI-related disability was assessed by the GOSE. A hierarchical linear model (HLM) was used to examine functional outcomes up to 5 years following injury and whether those outcomes could be predicted by: time, gender, age, relationship, education, employment pre-injury, occupation, GCS, cause of injury, length of post-traumatic amnesia (PTA), CT findings and injury severity score, as well as the interactions between each of these predictors and time...
January 17, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28092296/qualitative-analysis-of-parental-observations-on-quality-of-life-in-australian-children-with-down-syndrome
#6
Nada Murphy, Amy Epstein, Helen Leonard, Elise Davis, Dinah Reddihough, Andrew Whitehouse, Peter Jacoby, Jenny Bourke, Katrina Williams, Jenny Downs
OBJECTIVE: There are many challenges to health, functioning, and participation for children with Down syndrome; yet, the quality-of-life (QOL) domains important for this group have never been clearly articulated. This study investigated parental observations to identify QOL domains in children with Down syndrome and determined whether domains differed between children and adolescents. METHODS: The sample comprised 17 families whose child with Down syndrome was aged 6 to 18 years...
January 12, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28090779/preparation-and-in-vitro-in-vivo-evaluation-of-metformin-hydrochloride-rectal-dosage-forms-for-treatment-of-patients-with-type-ii-diabetes
#7
Abdel-Azim Zaghloul, Ahmad Lila, Fathy Abd-Allah, Aly Nada
BACKGROUND: Metformin hydrochloride (MtHCL) is an oral antidiabetic drug and has many other therapeutic benefits. It has poor bioavailability, narrow absorption window and extensive liver metabolism. Moreover, children and elders face difficulty to swallow the commercial oral tablets. OBJECTIVES: Preparation, in vitro/in vivo evaluation of MtHCL suppositories for rectal administration to solve some of these problems. METHODS: Suppository fatty bases (Witepsol®, Suppocire® and Massa®; different grades) and PEG bases 1000, 4000 and 6000 (different ratios), were used to prepare rectal suppository formulations each containing 500 mg drug...
January 16, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28086944/prenatal-treatment-for-opioid-dependency-observations-from-a-large-inner-city-clinic
#8
Kelley Saia, Sarah M Bagley, Elisha M Wachman, Payal P Patel, Marisa D Nadas, Susan B Brogly
BACKGROUND: The objective of this study was to review changes in the prevalence of opioid use disorder in pregnancy, and to describe the prenatal care and neonatal outcomes following the implementation of buprenorphine treatment at a large US obstetrical clinic during the on-going opioid epidemic. METHODS: We conducted a retrospective cohort study of 310 women (332 pregnancies) with opioid use disorders and their neonates delivered between June 2006 and December 2010 at an obstetrical clinic in the US...
January 13, 2017: Addiction Science & Clinical Practice
https://www.readbyqxmd.com/read/28074113/genetic-polymorphisms-of-human-cytochrome-p450-cyp1a1-in-an-egyptian-population-and-tobacco-induced-lung-cancer
#9
Nada Ezzeldin, Dalia El-Lebedy, Amira Darwish, Ahmed El-Bastawisy, Mirhane Hassan, Shereen Abd El-Aziz, Mohamed Abdel-Hamid, Amal Saad-Hussein
BACKGROUND: Cytochrome P450 CYP1A1 helps detoxify the potential carcinogens in tobacco smoke, it was reported that polymorphisms in the coding gene result in variation in the expression and activity levels which alter metabolism and clearance of carcinogens and therefore modify cancer risk. In this work, we aimed to identify CYP1A1 gene polymorphisms associated with lung cancer in Egyptian population and to examine the interaction effect with Tobacco smoking in modulating disease risk...
2017: Genes and Environment: the Official Journal of the Japanese Environmental Mutagen Society
https://www.readbyqxmd.com/read/28073548/cyanobacteria-and-cyanotoxins-in-fishponds-and-their-effects-on-fish-tissue
#10
Damjana Drobac, Nada Tokodi, Jelena Lujić, Zoran Marinović, Gordana Subakov-Simić, Tamara Dulić, Tamara Važić, Sonja Nybom, Jussi Meriluoto, Geoffrey A Codd, Zorica Svirčev
Cyanobacteria can produce toxic metabolites known as cyanotoxins. Common and frequently investigated cyanotoxins include microcystins (MCs), nodularin (NOD) and saxitoxins (STXs). During the summer of 2011 extensive cyanobacterial growth was found in several fishponds in Serbia. Sampling of the water and fish (common carp, Cyprinus carpio) was performed. Water samples from 13 fishponds were found to contain saxitoxin, microcystin, and/or nodularin. LC-MS/MS showed that MC-RR was present in samples of fish muscle tissue...
May 2016: Harmful Algae
https://www.readbyqxmd.com/read/28073544/corrigendum-to-cyanobacteria-and-cyanotoxins-in-fishponds-and-their-effects-on-fish-tissue-harmful-algae-55-2016-66-76
#11
Damjana Drobac, Nada Tokodi, Jelena Lujić, Zoran Marinović, Gordana Subakov-Simić, Tamara Dulić, Tamara Važić, Sonja Nybom, Jussi Meriluoto, Geoffrey A Codd, Zorica Svirčev
No abstract text is available yet for this article.
May 2016: Harmful Algae
https://www.readbyqxmd.com/read/28071763/starved-epithelial-cells-uptake-extracellular-matrix-for-survival
#12
Taru Muranen, Marcin P Iwanicki, Natasha L Curry, Julie Hwang, Cory D DuBois, Jonathan L Coloff, Daniel S Hitchcock, Clary B Clish, Joan S Brugge, Nada Y Kalaany
Extracellular matrix adhesion is required for normal epithelial cell survival, nutrient uptake and metabolism. This requirement can be overcome by oncogene activation. Interestingly, inhibition of PI3K/mTOR leads to apoptosis of matrix-detached, but not matrix-attached cancer cells, suggesting that matrix-attached cells use alternate mechanisms to maintain nutrient supplies. Here we demonstrate that under conditions of dietary restriction or growth factor starvation, where PI3K/mTOR signalling is decreased, matrix-attached human mammary epithelial cells upregulate and internalize β4-integrin along with its matrix substrate, laminin...
January 10, 2017: Nature Communications
https://www.readbyqxmd.com/read/28069034/health-related-quality-of-life-and-unmet-healthcare-needs-in-huntington-s-disease
#13
Marleen R van Walsem, Emilie I Howe, Gunvor A Ruud, Jan C Frich, Nada Andelic
BACKGROUND: Huntington's disease (HD) is a rare neurodegenerative disorder with a prevalence of 6 per 100.000. Despite increasing research activity on HD, evidence on healthcare utilization, patients' needs for healthcare services and Health-Related Quality of Life (HRQoL) is still sparse. The present study describes HRQoL in a Norwegian cohort of HD patients, and assesses associations between unmet healthcare and social support service needs and HRQoL. METHODS: In this cross-sectional population-based study, 84 patients with a clinical diagnosis of HD living in the South-East of Norway completed the HRQoL questionnaire EuroQol, EQ-5D-3L...
January 7, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/28068428/a-network-model-of-local-field-potential-activity-in-essential-tremor-and-the-impact-of-deep-brain-stimulation
#14
Nada Yousif, Michael Mace, Nicola Pavese, Roman Borisyuk, Dipankar Nandi, Peter Bain
Essential tremor (ET), a movement disorder characterised by an uncontrollable shaking of the affected body part, is often professed to be the most common movement disorder, affecting up to one percent of adults over 40 years of age. The precise cause of ET is unknown, however pathological oscillations of a network of a number of brain regions are implicated in leading to the disorder. Deep brain stimulation (DBS) is a clinical therapy used to alleviate the symptoms of a number of movement disorders. DBS involves the surgical implantation of electrodes into specific nuclei in the brain...
January 9, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28067913/impaired-h3k36-methylation-defines-a-subset-of-head-and-neck-squamous-cell-carcinomas
#15
Simon Papillon-Cavanagh, Chao Lu, Tenzin Gayden, Leonie G Mikael, Denise Bechet, Christina Karamboulas, Laurie Ailles, Jason Karamchandani, Dylan M Marchione, Benjamin A Garcia, Ilan Weinreb, David Goldstein, Peter W Lewis, Octavia Maria Dancu, Sandeep Dhaliwal, William Stecho, Christopher J Howlett, Joe S Mymryk, John W Barrett, Anthony C Nichols, C David Allis, Jacek Majewski, Nada Jabado
Human papillomavirus (HPV)-negative head and neck squamous cell carcinomas (HNSCCs) are deadly and common cancers. Recent genomic studies implicate multiple genetic pathways, including cell signaling, cell cycle and immune evasion, in their development. Here we analyze public data sets and uncover a previously unappreciated role of epigenome deregulation in the genesis of 13% of HPV-negative HNSCCs. Specifically, we identify novel recurrent mutations encoding p.Lys36Met (K36M) alterations in multiple H3 histone genes...
January 9, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28066800/cd36-deficiency-impairs-the-small-intestinal-barrier-and-induces-subclinical-inflammation-in-mice
#16
Vincenza Cifarelli, Stoyan Ivanov, Yan Xie, Ni-Huiping Son, Brian T Saunders, Terri A Pietka, Trevor M Shew, Jun Yoshino, Sinju Sundaresan, Nicholas O Davidson, Ira J Goldberg, Andrew E Gelman, Bernd H Zinselmeyer, Gwendalyn J Randolph, Nada A Abumrad
BACKGROUND & AIMS: CD36 has immuno-metabolic actions and is abundant in the small intestine on epithelial, endothelial and immune cells. We examined the role of CD36 in gut homeostasis using mice null for CD36 (CD36KO) and with CD36 deletion specific to enterocytes (Ent-CD36KO) or endothelial cells (EC-CD36KO). METHODS: Intestinal morphology was evaluated using immunohistochemistry and electron microscopy (EM). Intestinal inflammation was determined from neutrophil infiltration and expression of cytokines, toll-like receptors and COX-2...
January 2017: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28062232/interactions-between-estradiol-and-haloperidol-on-perseveration-and-reversal-learning-in-amphetamine-sensitized-female-rats
#17
Anne Almey, Lauren Arena, Joshua Oliel, Nada Hafez, Cynthia Mancinelli, Lukas Henning, Aleks Tsanev, Wayne G Brake
There are sex differences associated with schizophrenia, as women exhibit later onset of the disorder, less severe symptomatology, and better response to antipsychotic medications. Estrogens are thought to play a role in these sex differences; estrogens facilitate the effects of antipsychotic medications to reduce the positive symptoms of schizophrenia, but it remains unclear whether estrogens protect against the cognitive symptoms of this disorder. Amphetamine sensitization is used to model some symptoms of schizophrenia in rats, including cognitive deficits like excessive perseveration and slower reversal learning...
January 3, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28061876/salivary-tnf%C3%AE-levels-in-groups-of-subjects-with-rheumatoid-arthritis-and-chronic-periodontitis
#18
Ehsan B Gamel, Nada T Hashim, Asim Satti, Bakri G Gismalla
BACKGROUND: Rheumatoid arthritis (RA) and chronic periodontitis are the most common chronic inflammatory diseases with significant pathological and clinical similarities. Numerous studies have indicated a relationship between rheumatoid arthritis and periodontal disease. The aim of this study was to compare the TNF-α levels in saliva among patients with Rheumatoid arthritis (RA) and chronic periodontitis as well as healthy subjects. METHODS: One hundred and seventy-one patients were enrolled in this cross-sectional study...
January 7, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28057772/clot-structure-a-potent-mortality-risk-factor-in-patients-on-hemodialysis
#19
Katharina Schuett, Anna Savvaidis, Sebastian Maxeiner, Katharina Lysaja, Vera Jankowski, Stephan H Schirmer, Nada Dimkovic, Peter Boor, Nadine Kaesler, Friedo W Dekker, Jürgen Floege, Nikolaus Marx, Georg Schlieper
Patients with CKD on hemodialysis exhibit increased cardiovascular risk. Fibrin clot structure and clot lysis are crucially involved in development of cardiovascular events, but little is known about the influence of clot density on outcome in patients on hemodialysis. We determined fibrin clot structure parameters and effect on mortality in a prospective cohort of 171 patients on chronic hemodialysis (mean±SD age =59±11 years old; 54% men) using a validated turbidimetric assay. Kaplan-Meier analysis revealed that patients on hemodialysis with a denser clot structure had increased all-cause and cardiovascular mortality risks (log rank P=0...
January 5, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28055247/-staging-of-breast-cancer-and-the-advanced-applications-of-digital-mammogram-what-the-physician-needs-to-know
#20
Maha Hussien Helal, Sahar Mahmoud Mansour, Mai Zaglol, Lamia Adel Salaleldin, Omniya Mokhtar Nada, Marwa Anas Haggag
OBJECTIVE: To study the role of advanced applications of digital mammogram whether contrast enhanced spectral mammography (CESM) or digital breast tomosynthesis (DBT) in the "T" staging of histologically proven breast cancer prior management planning. METHODS: This prospective analysis, we evaluated 98 proved malignant breast masses regarding their size, multiplicity and presence of associated clusters of microcalcifications. Evaluation methods included digital mammography, 3-D tomosynthesis and contrast enhanced spectral mammography...
January 5, 2017: British Journal of Radiology
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