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https://www.readbyqxmd.com/read/28730664/exploring-approaches-to-dietetic-assessment-of-a-common-task-across-different-universities-through-assessment-moderation
#1
C Palermo, E Volders, S Gibson, M Kennedy, A Wray, J Thomas, M Hannan-Jones, D Gallegos, E Beck
BACKGROUND: Assessment presents one of the greatest challenges to evaluating health professional trainee performance, as a result of the subjectivity of judgements and variability in assessor standards. The present study aimed to test a moderation procedure for assessment across four independent universities and explore approaches to assessment and the factors that influence assessment decisions. METHODS: Assessment tasks designed independently by each of the four universities to assess student readiness for placement were chosen for the present study...
July 20, 2017: Journal of Human Nutrition and Dietetics: the Official Journal of the British Dietetic Association
https://www.readbyqxmd.com/read/28674979/huntington-s-disease-pathogenic-mechanisms-and-therapeutic-targets
#2
Dean J Wright, Thibault Renoir, Laura J Gray, Anthony J Hannan
Huntington's disease (HD) is a tandem repeat disorder involving neurodegeneration and a complex combination of symptoms. These include psychiatric symptoms, cognitive deficits culminating in dementia, and the movement disorder epitomised by motor signs such as chorea. HD is caused by a CAG repeat expansion encoding an extended tract of the amino acid glutamine in the huntingtin protein. This polyglutamine expansion appears to induce a 'change of function', possibly a 'gain of function', in the huntingtin protein, which leads to various molecular and cellular cascades of pathogenesis...
2017: Advances in Neurobiology
https://www.readbyqxmd.com/read/28671689/reconstruction-of-the-mouse-extrahepatic-biliary-tree-using-primary-human-extrahepatic-cholangiocyte-organoids
#3
Fotios Sampaziotis, Alexander W Justin, Olivia C Tysoe, Stephen Sawiak, Edmund M Godfrey, Sara S Upponi, Richard L Gieseck, Miguel Cardoso de Brito, Natalie Lie Berntsen, María J Gómez-Vázquez, Daniel Ortmann, Loukia Yiangou, Alexander Ross, Johannes Bargehr, Alessandro Bertero, Mariëlle C F Zonneveld, Marianne T Pedersen, Matthias Pawlowski, Laura Valestrand, Pedro Madrigal, Nikitas Georgakopoulos, Negar Pirmadjid, Gregor M Skeldon, John Casey, Wenmiao Shu, Paulina M Materek, Kirsten E Snijders, Stephanie E Brown, Casey A Rimland, Ingrid Simonic, Susan E Davies, Kim B Jensen, Matthias Zilbauer, William T H Gelson, Graeme J Alexander, Sanjay Sinha, Nicholas R F Hannan, Thomas A Wynn, Tom H Karlsen, Espen Melum, Athina E Markaki, Kourosh Saeb-Parsy, Ludovic Vallier
The treatment of common bile duct (CBD) disorders, such as biliary atresia or ischemic strictures, is restricted by the lack of biliary tissue from healthy donors suitable for surgical reconstruction. Here we report a new method for the isolation and propagation of human cholangiocytes from the extrahepatic biliary tree in the form of extrahepatic cholangiocyte organoids (ECOs) for regenerative medicine applications. The resulting ECOs closely resemble primary cholangiocytes in terms of their transcriptomic profile and functional properties...
July 3, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28629963/environmental-enrichment-reduces-innate-anxiety-with-no-effect-on-depression-like-behaviour-in-mice-lacking-the-serotonin-transporter
#4
Jake Rogers, Shanshan Li, Laurence Lanfumey, Anthony J Hannan, Thibault Renoir
Along with being the main target of many antidepressant medications, the serotonin transporter (5-HTT) is known to be involved in the pathophysiology of depression and anxiety disorders. In line with this, mice with varying 5-HTT genotypes are invaluable tools to study depression- and anxiety-like behaviours as well as the mechanisms mediating potential therapeutics. There is clear evidence that both genetic and environmental factors play a role in the aetiology of psychiatric disorders. In that regard, housing paradigms which seek to enhance cognitive stimulation and physical activity have been shown to exert beneficial effects in animal models of neuropsychiatric disorders...
June 16, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28560265/isoform-specific-differences-in-phospholipase-c-beta-1-expression-in-the-prefrontal-cortex-in-schizophrenia-and-suicide
#5
M Udawela, E Scarr, S Boer, J Y Um, A J Hannan, C McOmish, C C Felder, E A Thomas, B Dean
Our previous study demonstrated that phospholipase C beta 1 mRNA was down-regulated in Brodmann's area 46 from subjects with schizophrenia. However, phospholipase C beta 1 protein has also been shown to be lower in Brodmann's area 8 and 9 from teenage suicide subjects, creating a potential confound in interpreting the findings in schizophrenia due to the high suicide rate associated with this disorder. To begin to reconcile and consolidate these findings, in this study, we measured mRNA and protein levels of phospholipase C beta 1 variants a and b in Brodmann's area 46 and Brodmann's area 9 from subjects with schizophrenia, many of whom were suicide completers, and determined the diagnostic specificity of observed findings...
2017: NPJ Schizophrenia
https://www.readbyqxmd.com/read/28554167/elevated-paternal-glucocorticoid-exposure-modifies-memory-retention-in-female-offspring
#6
Shlomo Yeshurun, Jake Rogers, Annabel K Short, Thibault Renoir, Terence Y Pang, Anthony J Hannan
Recent studies have demonstrated that behavioral traits are subject to transgenerational modification by paternal environmental factors. We previously reported on the transgenerational influences of increased paternal stress hormone levels on offspring anxiety and depression-related behaviors. Here, we investigated whether offspring sociability and cognition are also influenced by paternal stress. Adult C57BL/6J male mice were treated with corticosterone (CORT; 25mg/L) for four weeks prior to paired-matings to generate F1 offspring...
May 18, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28553331/rhoa-rock-activation-in-major-pelvic-ganglion-mediates-caspase-3-dependent-nitrergic-neuronal-apoptosis-following-cavernous-nerve-injury
#7
Michael Bell, Nikolai A Sopko, Hotaka Matsui, Johanna L Hannan, Trinity J Bivalacqua
No abstract text is available yet for this article.
April 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28515954/a-prospective-cohort-study-of-thoracic-ultrasound-in-acute-respiratory-failure-the-c3po-protocol
#8
Peter D Wallbridge, Simon A Joosten, Liam M Hannan, Daniel P Steinfort, L Irving, J Goldin, Mark Hew
OBJECTIVES: This study was performed to assess the clinical utility of a standardised thoracic ultrasound examination when added to standard care in patients with acute respiratory failure admitted to an intermediate care unit. This study aimed to assess the impact on clinical diagnosis, clinician confidence and management. Ultrasound has been shown to have utility in patients admitted to intensive care and emergency; however, utility in a ward setting is unknown. DESIGN: Prospective cohort study...
May 2017: JRSM Open
https://www.readbyqxmd.com/read/28506090/rational-design-strategies-for-fimh-antagonists-new-drugs-on-the-horizon-for-urinary-tract-infection-and-crohn-s-disease
#9
REVIEW
Laurel K Mydock-McGrane, Thomas J Hannan, James W Janetka
The bacterial adhesin FimH is a virulence factor and an attractive therapeutic target for urinary tract infection (UTI) and Crohn's Disease (CD). Located on type 1 pili of uropathogenic E. coli (UPEC), the FimH adhesin plays an integral role in the pathogenesis of UPEC. Recent efforts have culminated in the development of small-molecule mannoside FimH antagonists that target the mannose-binding lectin domain of FimH, inhibiting its function and preventing UPEC from binding mannosylated host cells in the bladder, thereby circumventing infection...
July 2017: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/28500309/resveratrol-inhibits-release-of-soluble-fms-like-tyrosine-kinase-sflt-1-and-soluble-endoglin-and-improves-vascular-dysfunction-implications-as-a-preeclampsia-treatment
#10
Natalie J Hannan, Fiona C Brownfoot, Ping Cannon, Minh Deo, Sally Beard, Tuong V Nguyen, Kirsten R Palmer, Stephen Tong, Tu'uhevaha J Kaitu'u-Lino
Preeclampsia is a disease of pregnancy associated with placental oxidative stress, inflammation and elevated release of anti-angiogenic factors sFlt-1 and soluble endoglin. These placental factors cause generalized maternal endothelial dysfunction. There are no treatments to halt disease progression; delivery is the only cure. Resveratrol modulates pathways involved in inflammation and oxidative stress and may offer a potential therapeutic for preeclampsia. Resveratrol reduced sFlt-1, sFlt-1 e15a and soluble endoglin secretion from primary trophoblasts and HUVECs and reduced mRNA expression of pro-inflammatory molecules NFκB, IL-6 and IL-1β in trophoblasts...
May 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28482340/foot-function-foot-pain-and-falls-in-older-adults-the-framingham-foot-study
#11
Arunima Awale, Thomas J Hagedorn, Alyssa B Dufour, Hylton B Menz, Virginia A Casey, Marian T Hannan
BACKGROUND: Although foot pain has been linked to fall risk, contributions of pain severity, foot posture, or foot function are unclear. These factors were examined in a cohort of older adults. OBJECTIVE: The purpose of this study was to examine the associations of foot pain, severity of foot pain, and measures of foot posture and dynamic foot function with reported falls in a large, well-described cohort of older adults from the Framingham Foot Study. METHODS: Foot pain, posture, and function were collected from Framingham Foot Study participants who were queried about falls over the past year (0, 1, and ≥2 falls)...
2017: Gerontology
https://www.readbyqxmd.com/read/28463242/exercise-alters-mouse-sperm-small-noncoding-rnas-and-induces-a-transgenerational-modification-of-male-offspring-conditioned-fear-and-anxiety
#12
A K Short, S Yeshurun, R Powell, V M Perreau, A Fox, J H Kim, T Y Pang, A J Hannan
There is growing evidence that the preconceptual lifestyle and other environmental exposures of a father can significantly alter the physiological and behavioral phenotypes of their children. We and others have shown that paternal preconception stress, regardless of whether the stress was experienced during early-life or adulthood, results in offspring with altered anxiety and depression-related behaviors, attributed to hypothalamic-pituitary-adrenal axis dysregulation. The transgenerational response to paternal preconceptual stress is believed to be mediated by sperm-borne small noncoding RNAs, specifically microRNAs...
May 2, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28454825/incomplete-revascularization-for-percutaneous-coronary-interventions-variation-among-operators-and-association-with-operator-and-hospital-characteristics
#13
Edward L Hannan, Ye Zhong, Alice K Jacobs, Frederick S K Ling, Peter B Berger, Gary Walford, Ferdinand J Venditti, Spencer B King
BACKGROUND: Many studies have compared outcomes for incomplete revascularization (IR) among patients undergoing percutaneous coronary interventions (PCIs), but little is known about the correlates of IR, the extent to which complete revascularization (CR) was attempted unsuccessfully, and the variation across operators in the use of IR. METHODS: New York's PCI registry was used to examine medium-term mortality for IR, the variables associated with the use of IR, and the variation across operators in the utilization of IR after controlling for patient factors...
April 2017: American Heart Journal
https://www.readbyqxmd.com/read/28451393/the-circulating-microrna-200-family-in-whole-blood-are-potential-biomarkers-for-high-grade-serous-epithelial-ovarian-cancer
#14
Adam Pendlebury, Natalie J Hannan, Natalie Binder, Sally Beard, Monica Mcgauran, Peter Grant, Stephen Tong, Clare L Whitehead
Epithelial ovarian cancer (EOC) is the leading cause of mortality with regard to gynaecological cancer. There is no effective biomarker and therefore prognosis is poor as the majority of cases are not diagnosed until advanced disease is present. MicroRNAs (miRs) are dysregulated in ovarian cancer tissue and are present in the circulation. The aim of the present study was to investigate whether circulating miRs from the miR-200 family served as potential candidate biomarkers for the early detection of EOC. Whole blood and ovarian tissue were collected from women with early (stage I/II, n=4), advanced EOC (stage III/IV, n=4), and women with benign ovarian masses (n=5)...
March 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28416734/the-angiotensin-receptor-blocker-losartan-inhibits-mammary-tumor-development-and-progression-to-invasive-carcinoma
#15
Rhiannon Coulson, Seng H Liew, Angela A Connelly, Nicholas S Yee, Siddhartha Deb, Beena Kumar, Ana C Vargas, Sandra A O'Toole, Adam C Parslow, Ashleigh Poh, Tracy Putoczki, Riley J Morrow, Mariah Alorro, Kyren A Lazarus, Evie F W Yeap, Kelly L Walton, Craig A Harrison, Natalie J Hannan, Amee J George, Colin D Clyne, Matthias Ernst, Andrew M Allen, Ashwini L Chand
Drugs that target the Renin-Angiotensin System (RAS) have recently come into focus for their potential utility as cancer treatments. The use of Angiotensin Receptor Blockers (ARBs) and Angiotensin-Converting Enzyme (ACE) Inhibitors (ACEIs) to manage hypertension in cancer patients is correlated with improved survival outcomes for renal, prostate, breast and small cell lung cancer. Previous studies demonstrate that the Angiotensin Receptor Type I (AT1R) is linked to breast cancer pathogenesis, with unbiased analysis of gene-expression studies identifying significant up-regulation of AGTR1, the gene encoding AT1R in ER+ve/HER2-ve tumors correlating with poor prognosis...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28399716/the-lgbtqi-health-forum-an-innovative-interprofessional-initiative-to-support-curriculum-reform
#16
Hannan M Braun, David Ramirez, Greg J Zahner, Eva Mae Gillis-Buck, Heather Sheriff, Marcus Ferrone
Lesbian, gay, bisexual, transgender, queer, and intersex (LGBTQI) individuals continue to face barriers to accessing appropriate and comprehensive healthcare. Compounding this problem, healthcare trainees report few training opportunities and low levels of preparedness to care for LGBTQI patients. In 2009, an interprofessional group of students and a faculty advisor at the University of California, San Francisco, developed a novel student-organized LGBTQI Health Forum for medical, dental, pharmacy, nursing, and physical therapy students to deliver LGBTQI health content that was otherwise absent from the formal curriculum...
2017: Medical Education Online
https://www.readbyqxmd.com/read/28379296/relaxin-treatment-reduces-angiotensin-ii-induced-vasoconstriction-in-pregnancy-and-protects-against-endothelial-dysfunction%C3%A2
#17
Sarah A Marshall, Chen Huei Leo, Jane E Girling, Marianne Tare, Sally Beard, Natalie J Hannan, Laura J Parry
The peptide relaxin has gained considerable attention as a new vasoactive drug, largely through its beneficial therapeutic effects in cardiovascular disease. In this study, we tested the hypothesis that relaxin treatment alleviates systemic vascular dysfunction characteristic of hypertensive diseases of pregnancy. We investigated vascular effects and mechanisms of relaxin action in (i) pregnant relaxin-deficient (Rln-/-) mice with enhanced responses to angiotensin II (AngII) and (ii) arteries pre-incubated ex vivo in trophoblast conditioned media (TCM) to induce endothelial dysfunction...
April 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28377290/synaptopathic-mechanisms-of-neurodegeneration-and-dementia-insights-from-huntington-s-disease
#18
REVIEW
Shiraz Tyebji, Anthony J Hannan
Dementia encapsulates a set of symptoms that include loss of mental abilities such as memory, problem solving or language, and reduces a person's ability to perform daily activities. Alzheimer's disease is the most common form of dementia, however dementia can also occur in other neurological disorders such as Huntington's disease (HD). Many studies have demonstrated that loss of neuronal cell function manifests pre-symptomatically and thus is a relevant therapeutic target to alleviate symptoms. Synaptopathy, the physiological dysfunction of synapses, is now being approached as the target for many neurological and psychiatric disorders, including HD...
April 2, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28330863/bacterial-virulence-phenotypes-of-escherichia-coli-and-host-susceptibility-determine-risk-for-urinary-tract-infections
#19
Henry L Schreiber, Matt S Conover, Wen-Chi Chou, Michael E Hibbing, Abigail L Manson, Karen W Dodson, Thomas J Hannan, Pacita L Roberts, Ann E Stapleton, Thomas M Hooton, Jonathan Livny, Ashlee M Earl, Scott J Hultgren
Urinary tract infections (UTIs) are caused by uropathogenic Escherichia coli (UPEC) strains. In contrast to many enteric E. coli pathogroups, no genetic signature has been identified for UPEC strains. We conducted a high-resolution comparative genomic study using E. coli isolates collected from the urine of women suffering from frequent recurrent UTIs. These isolates were genetically diverse and varied in their urovirulence, that is, their ability to infect the bladder in a mouse model of cystitis. We found no set of genes, including previously defined putative urovirulence factors (PUFs), that were predictive of urovirulence...
March 22, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28326313/lung-volume-recruitment-acutely-increases-respiratory-system-compliance-in-individuals-with-severe-respiratory-muscle-weakness
#20
Yannick Molgat-Seon, Liam M Hannan, Paolo B Dominelli, Carli M Peters, Renee J Fougere, Douglas A McKim, A William Sheel, Jeremy D Road
The aim of the present study was to determine whether lung volume recruitment (LVR) acutely increases respiratory system compliance (Crs) in individuals with severe respiratory muscle weakness (RMW). Individuals with RMW resulting from neuromuscular disease or quadriplegia (n=12) and healthy controls (n=12) underwent pulmonary function testing and the measurement of Crs at baseline, immediately after, 1 h after and 2 h after a single standardised session of LVR. The LVR session involved 10 consecutive supramaximal lung inflations with a manual resuscitation bag to the highest tolerable mouth pressure or a maximum of 50 cmH2O...
January 2017: ERJ Open Research
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