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https://www.readbyqxmd.com/read/29324565/assessment-of-child-lead-exposure-in-a-philadelphia-community-2014
#1
Timothy Dignam, Ana Pomales, Lora Werner, E Claire Newbern, James Hodge, Jay Nielsen, Aaron Grober, Karen Scruton, Rand Young, Jack Kelly, Mary Jean Brown
INTRODUCTION: Several urban neighborhoods in Philadelphia, Pennsylvania, have a history of soil, household lead paint, and potential lead-emitting industry contamination. OBJECTIVES: To (1) describe blood lead levels (BLLs) in target neighborhoods, (2) identify risk factors and sources of lead exposure, (3) describe household environmental lead levels, and (4) compare results with existing data. METHODS: A simple, random, cross-sectional sampling strategy was used to enroll children 8 years or younger living in selected Philadelphia neighborhoods with a history of lead-emitting industry during July 2014...
January 10, 2018: Journal of Public Health Management and Practice: JPHMP
https://www.readbyqxmd.com/read/29284671/dietary-energy-density-glycemic-load-glycemic-index-and-risk-for-endometrial-cancer-in-the-cps-ii-nutrition-cohort
#2
Terryl J Hartman, Marjorie L McCullough, James M Hodge, Mia M Gaudet, Ying Wang, Susan M Gapstur
Background: The glycemic potential and energy density (ED) of diet may influence endometrial cancer risk. Although glycemic load (GL) is considered a probable risk factor for endometrial cancer, no studies have evaluated the association of total dietary ED with risk.Methods: We evaluated associations of ED, GL, and glycemic index (GI) with postmenopausal endometrial cancer incidence. Analyses included 30,997 postmenopausal women from the Cancer Prevention Study II Nutrition Cohort with no previous history of cancer or diabetes, who provided information on diet, lifestyle, and medical history in 1999 and were followed for cancer incidence through June 2013...
December 28, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29207606/combination-therapy-with-an-ox40l-fusion-protein-and-a-vaccine-targeting-the-transcription-factor-twist-inhibits-metastasis-in-a-murine-model-of-breast-cancer
#3
Anthony S Malamas, Scott A Hammond, Jeffrey Schlom, James W Hodge
OX40 is a costimulatory receptor that potentiates proliferation, survival, memory formation, and effector function of CD4+ and CD8+ T-cells, while overcoming the suppressive activity of regulatory T-cells (Tregs). Here, we explored the combination of an OX40L fusion protein (OX40L-FP) with a poxvirus-based cancer vaccine (MVA-Twist-TRICOM) to inhibit tumor metastasis in the 4T1 murine breast cancer model. Contrary to the single agent treatments, the combination therapy significantly decreased the number of metastatic colonies per lung and prolonged survival...
October 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/29196216/a-third-copy-of-the-down-syndrome-cell-adhesion-molecule-dscam-causes-synaptic-and-locomotor-dysfunction-in-drosophila
#4
Simon A Lowe, James J L Hodge, Maria M Usowicz
Down syndrome (DS) is caused by triplication of chromosome 21 (HSA21). It is characterised by intellectual disability and impaired motor coordination that arise from changes in brain volume, structure and function. However, the contribution of each HSA21 gene to these various phenotypes and to the causal alterations in neuronal and synaptic structure and function are largely unknown. Here we have investigated the effect of overexpression of the HSA21 gene DSCAM (Down syndrome cell adhesion molecule), on glutamatergic synaptic transmission and motor coordination, using Drosophila expressing three copies of Dscam1...
November 28, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/29173331/dental-disease-before-radiotherapy-in-patients-with-head-and-neck-cancer-clinical-registry-of-dental-outcomes-in-head-and-neck-cancer-patients
#5
Michael T Brennan, Nathaniel S Treister, Thomas P Sollecito, Brian L Schmidt, Lauren L Patton, Kusha Mohammadi, Leslie Long Simpson, Helen Voelker, James S Hodges, Rajesh V Lalla
BACKGROUND: No evidence-based guidelines exist for preventive dental care before radiation therapy (RT) in patients with head and neck cancer (HNC). An ongoing multicenter, prospective cohort study, Clinical Registry of Dental Outcomes in Head and Neck Cancer Patients (OraRad), is addressing this knowledge gap. The authors evaluated the level of dental disease before RT in the OraRad cohort, factors associated with dental disease, and dental treatment recommendations made before RT. METHODS: As part of OraRad, the authors assessed caries, periodontal disease, dental recommendations, and dental interventions performed before RT...
December 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/29168015/ascending-aortic-blood-flow-velocity-is-increased-in-children-with-primary-snoring-mild-sleep-disordered-breathing-and-associated-with-an-increase-in-cd8-%C3%A2-t-cells-expressing-tnf%C3%AE-and-ifn%C3%AE
#6
Anna Kontos, Scott Willoughby, Cameron van den Heuvel, Declan Kennedy, James Martin, Greg Hodge, Matthew Worthley, Adelene Kaihui Chin, Adam Nelson, Karen Teo, Mathias Baumert, Yvonne Pamula, Kurt Lushington
Sleep-disordered breathing (SDB) is associated with cardiovascular disease and systemic inflammation in adults but this remains to be explored in children, especially in children with the most common form of SDB, i.e. primary snoring/mild SDB. This pilot study investigated the relationship between the cardiovascular function and inflammation in children with mild SDB. Nineteen participants aged 5-14 years underwent overnight polysomnography, cardiac magnetic resonance imaging (aortic blood flow velocity and left and right ventricular systolic function) and assessment for inflammatory markers (intracellular cytokine analysis of T cells by flow cytometry)...
November 22, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/29148400/avian-influenza-a-h7n2-virus-in-human-exposed-to-sick-cats-new-york-usa-2016
#7
Atanaska Marinova-Petkova, Jen Laplante, Yunho Jang, Brian Lynch, Natosha Zanders, Marisela Rodriguez, Joyce Jones, Sharmi Thor, Erin Hodges, Juan A De La Cruz, Jessica Belser, Hua Yang, Paul Carney, Bo Shu, LaShondra Berman, Thomas Stark, John Barnes, Fiona Havers, Patrick Yang, Susan C Trock, Alicia Fry, Larisa Gubareva, Joseph S Bresee, James Stevens, Demetre Daskalakis, Dakai Liu, Christopher T Lee, Mia Kim Torchetti, Sandra Newbury, Francine Cigel, Kathy Toohey-Kurth, Kirsten St George, David E Wentworth, Stephen Lindstrom, C Todd Davis
An outbreak of influenza A(H7N2) virus in cats in a shelter in New York, NY, USA, resulted in zoonotic transmission. Virus isolated from the infected human was closely related to virus isolated from a cat; both were related to low pathogenicity avian influenza A(H7N2) viruses detected in the United States during the early 2000s.
December 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29138402/impacts-of-hemispheric-solar-geoengineering-on-tropical-cyclone-frequency
#8
Anthony C Jones, James M Haywood, Nick Dunstone, Kerry Emanuel, Matthew K Hawcroft, Kevin I Hodges, Andy Jones
Solar geoengineering refers to a range of proposed methods for counteracting global warming by artificially reducing sunlight at Earth's surface. The most widely known solar geoengineering proposal is stratospheric aerosol injection (SAI), which has impacts analogous to those from volcanic eruptions. Observations following major volcanic eruptions indicate that aerosol enhancements confined to a single hemisphere effectively modulate North Atlantic tropical cyclone (TC) activity in the following years. Here we investigate the effects of both single-hemisphere and global SAI scenarios on North Atlantic TC activity using the HadGEM2-ES general circulation model and various TC identification methods...
November 14, 2017: Nature Communications
https://www.readbyqxmd.com/read/29051184/novel-use-of-hydroxyurea-in-an-african-region-with-malaria-noharm-a-trial-for-children-with-sickle-cell-anemia
#9
Robert O Opoka, Christopher M Ndugwa, Teresa S Latham, Adam Lane, Heather A Hume, Phillip Kasirye, James S Hodges, Russell E Ware, Chandy C John
Hydroxyurea treatment is recommended for children with sickle cell anemia (SCA) living in high-resource malaria-free regions, but its safety and efficacy in malaria-endemic sub-Saharan Africa, where the greatest sickle cell burden exists, remain unknown. In vitro studies suggest hydroxyurea could increase malaria severity, and hydroxyurea-associated neutropenia could worsen infections. NOHARM was a randomized, double-blinded, placebo-controlled trial conducted in malaria-endemic Uganda, comparing hydroxyurea to placebo at 20 ± 2...
October 19, 2017: Blood
https://www.readbyqxmd.com/read/29029492/gata2-regulates-the-erythropoietin-receptor-in-t-12-21-all
#10
Marie E Gaine, Daniel J Sharpe, James S Smith, Hilary A A Colyer, Vivien M Hodges, Terry R Lappin, Ken I Mills
The t(12;21) (p13;q22) chromosomal translocation resulting in the ETV6/RUNX1 fusion gene is the most frequent structural cytogenetic abnormality in children with acute lymphoblastic leukemia (ALL). The erythropoietin receptor (EPOR), usually associated with erythroid progenitor cells, is highly expressed in ETV6/RUNX1 positive cases compared to other B-lineage ALL subtypes. Gene expression analysis of a microarray database and direct quantitative analysis of patient samples revealed strong correlation between EPOR and GATA2 expression in ALL, and higher expression of GATA2 in t(12;21) patients...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28978551/high-sensitivity-cardiac-troponin-and-the-risk-stratification-of-patients-with-renal-impairment-presenting-with-suspected-acute-coronary-syndrome
#11
Eve V Miller-Hodges, Atul Anand, Anoop S V Shah, Andrew R Chapman, Peter J Gallacher, Kuan Ken Lee, Tariq E Farrah, Nynke Halbesma, James P Blackmur, David E Newby, Nicholas L Mills, Neeraj Dhaun
Background -High-sensitivity cardiac troponin testing may improve the risk-stratification and diagnosis of myocardial infarction, but concentrations can be challenging to interpret in patients with renal impairment and the effectiveness of testing in this group is uncertain. Methods -In a prospective multi-center study of consecutive patients with suspected acute coronary syndrome, we evaluated the performance of high-sensitivity cardiac troponin I in those with and without renal impairment (estimated glomerular filtration rate <60mL/min/1...
October 4, 2017: Circulation
https://www.readbyqxmd.com/read/28978487/mutations-in-membrin-gosr2-reveal-stringent-secretory-pathway-demands-of-dendritic-growth-and-synaptic-integrity
#12
Roman Praschberger, Simon A Lowe, Nancy T Malintan, Carlo N G Giachello, Nian Patel, Henry Houlden, Dimitri M Kullmann, Richard A Baines, Maria M Usowicz, Shyam S Krishnakumar, James J L Hodge, James E Rothman, James E C Jepson
Mutations in the Golgi SNARE (SNAP [soluble NSF attachment protein] receptor) protein Membrin (encoded by the GOSR2 gene) cause progressive myoclonus epilepsy (PME). Membrin is a ubiquitous and essential protein mediating ER-to-Golgi membrane fusion. Thus, it is unclear how mutations in Membrin result in a disorder restricted to the nervous system. Here, we use a multi-layered strategy to elucidate the consequences of Membrin mutations from protein to neuron. We show that the pathogenic mutations cause partial reductions in SNARE-mediated membrane fusion...
October 3, 2017: Cell Reports
https://www.readbyqxmd.com/read/28973622/association-of-biotin-ingestion-with-performance-of-hormone-and-nonhormone-assays-in-healthy-adults
#13
Danni Li, Angela Radulescu, Rupendra T Shrestha, Matthew Root, Amy B Karger, Anthony A Killeen, James S Hodges, Shu-Ling Fan, Angela Ferguson, Uttam Garg, Lori J Sokoll, Lynn A Burmeister
Importance: Biotinylated antibodies and analogues, with their strong binding to streptavidin, are used in many clinical laboratory tests. Excess biotin in blood due to supplemental biotin ingestion may affect biotin-streptavidin binding, leading to potential clinical misinterpretation. However, the degree of interference remains undefined in healthy adults. Objective: To assess performance of specific biotinylated immunoassays after 7 days of ingesting 10 mg/d of biotin, a dose common in over-the-counter supplements for healthy adults...
September 26, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28942999/optimized-purification-of-a-fusion-protein-by-reversed-phase-high-performance-liquid-chromatography-informed-by-the-linear-solvent-strength-model
#14
Isaac B Falconer, Colin T Mant, C James McKnight, Liliya Vugmeyster, Robert Hodges
Fusion protein systems are commonly used for expression of small proteins and peptides. An important criterion for a fusion protein system to be useful is the ability to separate the protein of interest from the tag. Additionally, because no protease cleaves fusion proteins with 100% efficiency, the ability to separate the desired peptide from any remaining uncleaved protein is also necessary. This is likely to be the more difficult task as at least a portion of the sequence of the fusion protein is identical to that of the protein of interest...
September 13, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28934455/drug-susceptibility-evaluation-of-an-influenza-a-h7n9-virus-by-analyzing-recombinant-neuraminidase-proteins
#15
Larisa V Gubareva, Katrina Sleeman, Zhu Guo, Hua Yang, Erin Hodges, Charles T Davis, Tatiana Baranovich, James Stevens
Background: Neuraminidase (NA) inhibitors are the recommended antiviral medications for influenza treatment. However, their therapeutic efficacy can be compromised by NA changes that emerge naturally and/or following antiviral treatment. Knowledge of which molecular changes confer drug resistance of influenza A(H7N9) viruses (group 2NA) remains sparse. Methods: Fourteen amino acid substitutions were introduced into the NA of A/Shanghai/2/2013(H7N9). Recombinant N9 (recN9) proteins were expressed in a baculovirus system in insect cells and tested using the Centers for Disease Control and Prevention standardized NA inhibition (NI) assay with oseltamivir, zanamivir, peramivir, and laninamivir...
September 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28883783/performing-arm-based-network-meta-analysis-in-r-with-the-pcnetmeta-package
#16
Lifeng Lin, Jing Zhang, James S Hodges, Haitao Chu
Network meta-analysis is a powerful approach for synthesizing direct and indirect evidence about multiple treatment comparisons from a collection of independent studies. At present, the most widely used method in network meta-analysis is contrast-based, in which a baseline treatment needs to be specified in each study, and the analysis focuses on modeling relative treatment effects (typically log odds ratios). However, population-averaged treatment-specific parameters, such as absolute risks, cannot be estimated by this method without an external data source or a separate model for a reference treatment...
August 2017: Journal of Statistical Software
https://www.readbyqxmd.com/read/28863009/methadone-and-the-qtc-interval-paucity-of-clinically-significant-factors-in-a-retrospective-cohort
#17
Gavin Bart, Zachary Wyman, Qi Wang, James S Hodges, Rehan Karim, Bradley A Bart
OBJECTIVE: Methadone is associated with prolongation of the electrocardiographic QTc interval. QTc prolongation may be linked to cardiac dysrhythmia and sudden cardiac death. The rate of these events is unknown in methadone-maintained patients. METHODS: This retrospective cohort study of 749 patients with opioid use disorder receiving methadone maintenance therapy through a single safety-net hospital, queried the electronic health record for electrocardiogram results, demographics, methadone dose, and diagnostic codes consistent with cardiac conduction disorder (International Classification of Disease, Ninth Revision [ICD-9] 426) and cardiac dysrhythmia (ICD-9 427)...
November 2017: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/28854208/delaying-the-start-of-iron-until-28-days-after-antimalarial-treatment-is-associated-with-lower-incidence-of-subsequent-illness-in-children-with-malaria-and-iron-deficiency
#18
RANDOMIZED CONTROLLED TRIAL
Ericka G Jaramillo, Ezekiel Mupere, Robert O Opoka, James S Hodges, Troy C Lund, Michael K Georgieff, Chandy C John, Sarah E Cusick
We evaluated the incidence of all-cause and malaria-specific clinic visits during follow-up of a recent trial of iron therapy. In the main trial, Ugandan children 6-59 months with smear-confirmed malaria and iron deficiency [zinc protoporphyrin (ZPP > = 80 μmol/mol heme)] were treated for malaria and randomized to start a 27-day course of oral iron concurrently with (immediate group) or 28 days after (delayed group) antimalarial treatment. All children were followed for the same 56-day period starting at the time of antimalarial treatment (Day 0) and underwent passive and active surveillance for malaria and other morbidity for the entire follow-up period...
2017: PloS One
https://www.readbyqxmd.com/read/28832871/reframing-the-opioid-epidemic-as-a-national-emergency
#19
Lawrence O Gostin, James G Hodge, Sarah A Noe
No abstract text is available yet for this article.
October 24, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28753113/a-potential-therapy-for-chordoma-via-antibody-dependent-cell-mediated-cytotoxicity-employing-nk-or-high-affinity-nk-cells-in-combination-with-cetuximab
#20
Rika Fujii, Jeffrey Schlom, James W Hodge
OBJECTIVE Chordoma is a rare bone tumor derived from the notochord and is resistant to conventional therapies such as chemotherapy, radiotherapy, and targeting therapeutics. Expression of epidermal growth factor receptor (EGFR) in a large proportion of chordoma specimens indicates a potential target for therapeutic intervention. In this study the authors investigated the potential role of the anti-EGFR antibody cetuximab in immunotherapy for chordoma. METHODS Since cetuximab is a monoclonal antibody of the IgG1 isotype, it has the potential to mediate antibody-dependent cell-mediated cytotoxicity (ADCC) employing natural killer (NK) cells as effectors...
July 28, 2017: Journal of Neurosurgery
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