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https://www.readbyqxmd.com/read/28938747/prevalence-of-endocrine-and-genetic-abnormalities-in-boys-evaluated-systematically-for-a-disorder-of-sex-development
#1
R Nixon, V Cerqueira, A Kyriakou, A Lucas-Herald, J McNeilly, M McMillan, A I Purvis, E S Tobias, R McGowan, S F Ahmed
STUDY QUESTION: What is the likelihood of identifying genetic or endocrine abnormalities in a group of boys with 46, XY who present to a specialist clinic with a suspected disorder of sex development (DSD)? SUMMARY ANSWER: An endocrine abnormality of the gonadal axis may be present in a quarter of cases and copy number variants (CNVs) or single gene variants may be present in about half of the cases. WHAT IS KNOWN ALREADY: Evaluation of 46, XY DSD requires a combination of endocrine and genetic tests but the prevalence of these abnormalities in a sufficiently large group of boys presenting to one specialist multidisciplinary service is unclear...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28934097/respiratory-dermal-and-eye-irritation-symptoms-associated-with-corexit%C3%A2-ec9527a-ec9500a-following-the-deepwater-horizon-oil-spill-findings-from-the-gulf-study
#2
Craig J McGowan, Richard K Kwok, Lawrence S Engel, Mark R Stenzel, Patricia A Stewart, Dale P Sandler
BACKGROUND: The large quantities of chemical oil dispersants used in the oil spill response and cleanup (OSRC) work following the Deepwater Horizon disaster provide an opportunity to study associations between dispersant exposure (Corexit™ EC9500A or EC9527A) and human health. OBJECTIVES: Our objectives were to examine associations between potential exposure to the dispersants and adverse respiratory, dermal, and eye irritation symptoms. METHODS: Using data from detailed Gulf Long-term Follow-up ( GuLF) Study enrollment interviews, we determined potential exposure to either dispersant from participant-reported tasks during the OSRC work...
September 15, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28932919/how-does-homelessness-affect-parenting-behaviour-a-systematic-critical-review-and-thematic-synthesis-of-qualitative-research
#3
REVIEW
Caroline Bradley, John McGowan, Daniel Michelson
The adverse social and physical conditions of homelessness pose significant developmental risks for children, which may be compounded or buffered by the quality of parenting behaviour they are exposed to. There is currently a limited understanding of how parents approach their care-giving role and responsibilities while adjusting to the experience of homelessness. Advancing knowledge in this area is essential for developing acceptable, appropriate and effective interventions to support highly marginalised and vulnerable homeless families...
September 20, 2017: Clinical Child and Family Psychology Review
https://www.readbyqxmd.com/read/28931652/responsive-monitoring-of-mitochondrial-redox-states-in-heart-muscle-predicts-impending-cardiac-arrest
#4
Dorothy A Perry, Joshua W Salvin, Padraic Romfh, Peili Chen, Kalyani Krishnamurthy, Lindsay M Thomson, Brian D Polizzotti, Francis X McGowan, Daryoosh Vakhshoori, John N Kheir
Assessing the adequacy of oxygen delivery to tissues is vital, particularly in the fields of intensive care medicine and surgery. As oxygen delivery to a cell becomes deficient, changes in mitochondrial redox state precede changes in cellular function. We describe a technique for the continuous monitoring of the mitochondrial redox state on the epicardial surface using resonance Raman spectroscopy. We quantify the reduced fraction of specific electron transport chain cytochromes, a metric we name the resonance Raman reduced mitochondrial ratio (3RMR)...
September 20, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28929609/benchmarking-against-the-national-emergency-laparotomy-audit-recommendations
#5
Yiu Ming Ho, Julie Cappello, Ramin Kousary, Brian McGowan, Arkadiusz P Wysocki
BACKGROUND: The Royal College of Anaesthetists published the National Emergency Laparotomy Audit (NELA) to describe and compare inpatient care and outcomes of major emergency abdominal surgery in England and Wales in 2015 and 2016. The purpose of this article is to compare emergency abdominal surgical care and mortality in a regional hospital (Logan Hospital, Queensland, Australia) with NELA results. METHODS: Data were extracted from two databases. All deaths from May 2010 to April 2015 were reviewed and patients who had an emergency abdominal operation within 30 days of death were identified...
September 19, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28926816/phycoremediation-of-landfill-leachate-with-the-chlorophyte-chlamydomonas-sp-sw15arl-and-evaluation-of-toxicity-pre-and-post-treatment
#6
Andrea Paskuliakova, Ted McGowan, Steve Tonry, Nicolas Touzet
Landfill leachate treatment is an ongoing challenge in the wastewater management of existing sanitary landfill sites due to the complex nature of leachates and their heavy pollutant load. There is a continuous interest in treatment biotechnologies with expected added benefits for resource recovery; microalgal bioremediation is seen as promising in this regard. Toxicity reduction of landfill leachate subsequent to phycoremediation was investigated in this study. The treatment eventuated from the growth of the ammonia tolerant microalgal strain Chlamydomonas sp...
September 15, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28921401/experience-with-curative-radiotherapy-for-cervix-cancer-in-the-bahamas-for-2006-2016
#7
Glenn Jones, Osama Kellini, Nevein Girgis, Darron Halliday, Raleigh Butler, Thomas McGowan, Conville Brown
BACKGROUND: Cervix cancer is a significant health problem. As access to quality care in Small Island Developing States improves, and cancer centers become established, providers of care can summarize local experience to benchmark system quality and look for ways to further improve value. METHODS: This is a retrospective study of all cases of cervix cancer managed 2006-2016 at The Cancer Centre Bahamas, in conjunction with Princess Margaret Hospital, Nassau, affiliated with The University of West Indies...
September 18, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28906495/effects-of-a-transition-home-program-on-preterm-infant-emergency-room-visits-within-90-days-of-discharge
#8
B Vohr, E McGowan, L Keszler, M O'Donnell, K Hawes, R Tucker
OBJECTIVE: To evaluate effects of a transition home program (THP) and risk factors on emergency room (ER) use within 90 days of discharge for preterm (PT) infants <37 weeks gestation. STUDY DESIGN: This is a prospective 3-year cohort study of 804 mothers and 954 PT infants. Mothers received enhanced neonatal intensive care unit transition support services until 90 days postdischarge. Regression models were run to identify the effects of THP implementation year and risk factors on ER visits...
September 14, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28904015/sasquatch-predicting-the-impact-of-regulatory-snps-on-transcription-factor-binding-from-cell-and-tissue-specific-dnase-footprints
#9
Ron Schwessinger, Maria C Suciu, Simon J McGowan, Jelena Telenius, Stephen Taylor, Doug R Higgs, Jim R Hughes
In the era of genome-wide association studies (GWAS) and personalized medicine, predicting the impact of single nucleotide polymorphisms (SNPs) in regulatory elements is an important goal. Current approaches to determine the potential of regulatory SNPs depend on inadequate knowledge of cell-specific DNA binding motifs. Here, we present Sasquatch, a new computational approach that uses DNase footprint data to estimate and visualize the effects of noncoding variants on transcription factor binding. Sasquatch performs a comprehensive k-mer-based analysis of DNase footprints to determine any k-mer's potential for protein binding in a specific cell type and how this may be changed by sequence variants...
September 13, 2017: Genome Research
https://www.readbyqxmd.com/read/28899780/hydrogen-peroxide-production-is-affected-by-oxygen-levels-in-mammalian-cell-culture
#10
Lucas A Maddalena, Shehab M Selim, Joao Fonseca, Holt Messner, Shannon McGowan, Jeffrey A Stuart
Although oxygen levels in the extracellular space of most mammalian tissues are just a few percent, under standard cell culture conditions they are not regulated and are often substantially higher. Some cellular sources of reactive oxygen species, like NADPH oxidase 4, are sensitive to oxygen levels in the range between 'normal' physiological (typically 1-5%) and standard cell culture (up to 18%). Hydrogen peroxide in particular participates in signal transduction pathways via protein redox modifications, so the potential increase in its production under standard cell culture conditions is important to understand...
September 9, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28892404/mechanisms-underlying-metabolic-disturbances-associated-with-psychosis-and-antipsychotic-drug-treatment
#11
Gavin P Reynolds, Olga O McGowan
The increase in cardiovascular disease and reduced life expectancy in schizophrenia likely relate to an increased prevalence of metabolic disturbances. Such metabolic risk factors in schizophrenia may result from both symptom-related effects and aetiological factors. However, a major contributory factor is that of treatment with antipsychotic drugs. These drugs differ in effects on body weight; the underlying mechanisms are not fully understood and may vary between drugs, but may include actions at receptors associated with the hypothalamic control of food intake...
August 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28890032/ulnar-nerve-entrapment-at-the-elbow-a-surgical-series-and-a-systematic-review-of-the-literature
#12
Liverana Lauretti, Quintino Giorgio D'Alessandris, Celestino De Simone, Francois Yves Legninda Sop, Luigi M Remore, Alessandro Izzo, Eduardo Fernandez
Chronic compression of the ulnar nerve at the elbow is the second most common entrapment neuropathy. Various surgical options have been described. Timing of surgery is also debated. In this study we report the long-term results of a consecutive surgical series of anterior subcutaneous transpositions and review the pertinent literature. Sixty consecutive patients underwent anterior subcutaneous transposition at our Institution to treat ulnar nerve compression at the elbow. McGowan scale was used in the neurological exam before surgery...
September 7, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28884008/efficient-method-to-create-integration-free-virus-free-myc-and-lin28-free-human-induced-pluripotent-stem-cells-from-adherent-cells
#13
Anant Kamath, Sara Ternes, Stephen McGowan, Anthony English, Rama Mallampalli, Alan B Moy
AIM: Nonviral induced pluripotent stem cell (IPSC) reprogramming is not efficient without the oncogenes, Myc and Lin28. We describe a robust Myc and Lin28-free IPSC reprogramming approach using reprogramming molecules. METHODS: IPSC colony formation was compared in the presence and absence of Myc and Lin28 by the mixture of reprogramming molecules and episomal vectors. RESULTS: While more colonies were observed in cultures transfected with the aforementioned oncogenes, the Myc and Lin28-free method achieved the same reprogramming efficiency as reports that used these oncogenes...
August 2017: Future Science OA
https://www.readbyqxmd.com/read/28871086/identification-of-hsp90-inhibitors-as-a-novel-class-of-senolytics
#14
Heike Fuhrmann-Stroissnigg, Yuan Yuan Ling, Jing Zhao, Sara J McGowan, Yi Zhu, Robert W Brooks, Diego Grassi, Siobhan Q Gregg, Jennifer L Stripay, Akaitz Dorronsoro, Lana Corbo, Priscilla Tang, Christina Bukata, Nadja Ring, Mauro Giacca, Xuesen Li, Tamara Tchkonia, James L Kirkland, Laura J Niedernhofer, Paul D Robbins
Aging is the main risk factor for many chronic degenerative diseases and cancer. Increased senescent cell burden in various tissues is a major contributor to aging and age-related diseases. Recently, a new class of drugs termed senolytics were demonstrated to extending healthspan, reducing frailty and improving stem cell function in multiple murine models of aging. To identify novel and more optimal senotherapeutic drugs and combinations, we established a senescence associated β-galactosidase assay as a screening platform to rapidly identify drugs that specifically affect senescent cells...
September 4, 2017: Nature Communications
https://www.readbyqxmd.com/read/28869494/-dicing-and-splicing-sphingosine-kinase-and-relevance-to-cancer
#15
REVIEW
Nahal Haddadi, Yiguang Lin, Ann M Simpson, Najah T Nassif, Eileen M McGowan
Sphingosine kinase (SphK) is a lipid enzyme that maintains cellular lipid homeostasis. Two SphK isozymes, SphK1 and SphK2, are expressed from different chromosomes and several variant isoforms are expressed from each of the isozymes, allowing for the multi-faceted biological diversity of SphK activity. Historically, SphK1 is mainly associated with oncogenicity, however in reality, both SphK1 and SphK2 isozymes possess oncogenic properties and are recognized therapeutic targets. The absence of mutations of SphK in various cancer types has led to the theory that cancer cells develop a dependency on SphK signaling (hyper-SphK signaling) or "non-oncogenic addiction"...
September 2, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28867458/allergen-sensitization-in-a-birth-cohort-at-mid-childhood-focus-on-food-component-ige-and-igg4-responses
#16
Jeffrey M Wilson, Lisa Workman, Alexander J Schuyler, Sheryl L Rifas-Shiman, Emily C McGowan, Emily Oken, Diane R Gold, Robert G Hamilton, Thomas A E Platts-Mills
Among 616 eight year old children in an unselected birth cohort the authors found strikingly different IgG4/IgE ratios to milk and peanut components. This finding was additionally related to discordant results between an extract and microchip component IgE assay.
August 31, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28865452/the-development-and-validation-of-measures-to-assess-cooking-skills-and-food-skills
#17
Fiona Lavelle, Laura McGowan, Lynsey Hollywood, Dawn Surgenor, Amanda McCloat, Elaine Mooney, Martin Caraher, Monique Raats, Moira Dean
BACKGROUND: With the increase use of convenience food and eating outside the home environment being linked to the obesity epidemic, the need to assess and monitor individuals cooking and food skills is key to help intervene where necessary to promote the usage of these skills. Therefore, this research aimed to develop and validate a measure for cooking skills and one for food skills, that are clearly described, relatable, user-friendly, suitable for different types of studies, and applicable across all sociodemographic levels...
September 2, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28864839/outcomes-of-treatment-in-men-with-prostate-cancer-at-the-cancer-centre-bahamas
#18
Glenn Wayne Jones, Osama Kellini, Robin Roberts, Nevein Girgis, Chelsea Brown, Krista Nottage, Thomas McGowan, Corrine Sin Quee-Brown, Conville Brown
PURPOSE: This is a first report from The Bahamas of management and long-term outcomes in men with non-metastatic prostate cancer treated with radiotherapy, with or without androgen deprivation therapy, from 2004 to 2016. METHODS: Patients were characterized by baseline factors, stratified by risk groups using tumor stage (clinical T-stage), prostate-specific antigen (PSA) test result and Gleason grade, and sorted by treatment combinations (by radiation volume and use of androgen deprivation)...
September 1, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28864357/biorelevant-drug-solubility-enhancement-modeled-by-a-linear-solvation-energy-relationship
#19
Andreas Niederquell, Martin Kuentz
It is for the pharmaceutical sciences of vital importance to understand how drugs are solubilized in biorelevant media. However, the complexity of fasted state simulated intestinal fluid (FaSSIF) has so far hampered adequate solubility modeling. The present study focuses on apparently neutral compounds at physiological pH and a linear free energy relationship is introduced for biorelevant drug solubilization. Based on literature data of 40 compounds, the Abraham solvation descriptors were calculated from chemical structure to then predict the ratio of solubility enhancement, log(SE) in FaSSIF compared to aqueous buffer solubility at pH 6...
August 29, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28856934/a-systematic-review-of-medial-epicondylectomy-as-a-surgical-treatment-for-cubital-tunnel-syndrome
#20
Eva E O'Grady, Qureish Vanat, Dominic M Power, Simon Tan
The aim of this study was to review the literature of decompression of the cubital tunnel with medial epicondylectomy and to assess outcomes and complications. Twenty-one case series reported on 886 medial epicondylectomies. The mean percentage of patients obtaining improvement of one or more McGowan grade was 79%. The mean percentage obtaining a good/excellent Wilson Krout grade of outcome was 83%. Of six comparative studies, two showed no significant differences in outcomes between medial epicondylectomy and transposition procedures, and three reported better outcomes with medial epicondylectomy...
August 1, 2017: Journal of Hand Surgery, European Volume
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