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https://www.readbyqxmd.com/read/29132146/identification-of-unique-neoantigen-qualities-in-long-term-survivors-of-pancreatic-cancer
#1
Vinod P Balachandran, Marta Łuksza, Julia N Zhao, Vladimir Makarov, John Alec Moral, Romain Remark, Brian Herbst, Gokce Askan, Umesh Bhanot, Yasin Senbabaoglu, Daniel K Wells, Charles Ian Ormsby Cary, Olivera Grbovic-Huezo, Marc Attiyeh, Benjamin Medina, Jennifer Zhang, Jennifer Loo, Joseph Saglimbeni, Mohsen Abu-Akeel, Roberta Zappasodi, Nadeem Riaz, Martin Smoragiewicz, Z Larkin Kelley, Olca Basturk, Mithat Gönen, Arnold J Levine, Peter J Allen, Douglas T Fearon, Miriam Merad, Sacha Gnjatic, Christine A Iacobuzio-Donahue, Jedd D Wolchok, Ronald P DeMatteo, Timothy A Chan, Benjamin D Greenbaum, Taha Merghoub, Steven D Leach
Pancreatic ductal adenocarcinoma is a lethal cancer with fewer than 7% of patients surviving past 5 years. T-cell immunity has been linked to the exceptional outcome of the few long-term survivors, yet the relevant antigens remain unknown. Here we use genetic, immunohistochemical and transcriptional immunoprofiling, computational biophysics, and functional assays to identify T-cell antigens in long-term survivors of pancreatic cancer. Using whole-exome sequencing and in silico neoantigen prediction, we found that tumours with both the highest neoantigen number and the most abundant CD8(+) T-cell infiltrates, but neither alone, stratified patients with the longest survival...
November 8, 2017: Nature
https://www.readbyqxmd.com/read/29101602/garcinia-mangostana-linn-displays-antidepressant-like-and-pro-cognitive-effects-in-a-genetic-animal-model-of-depression-a-bio-behavioral-study-in-the-flinders-sensitive-line-rat
#2
Inge Oberholzer, Marisa Möller, Brendan Holland, Olivia M Dean, Michael Berk, Brian H Harvey
There is abundant evidence for both disorganized redox balance and cognitive deficits in major depressive disorder (MDD). Garcinia mangostana Linn (GM) has anti-oxidant activity. We studied the antidepressant-like and pro-cognitive effects of raw GM rind in Flinders Sensitive Line (FSL) rats, a genetic model of depression, following acute and chronic treatment compared to a reference antidepressant, imipramine (IMI). The chemical composition of the GM extract was analysed for levels of α- and γ-mangostin...
November 3, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29081257/assessing-hearing-loss-self-management-in-older-adults
#3
Elizabeth Convery, Carly Meyer, Gitte Keidser, Louise Hickson
OBJECTIVE: To evaluate the capacity of a self-management assessment tool to identify unmet hearing health care (HHC) needs; to determine whether such an assessment yields novel and clinically useful information. DESIGN: Hearing loss self-management (HLSM) was assessed with the Partners in Health scale and the Cue and Response interview from the Flinders Chronic Condition Management Program™. The results of the scale and the interview were compared to determine the extent to which they each contributed to the assessment of HLSM...
October 28, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/29072509/matthew-flinders-senior-1751-1802-surgeon-and-man-midwife
#4
Linda Shields, Julie Jomeen, Wendy Smyth, David Stanley
Until the eighteenth century, midwifery was the sole domain of women, but changes in medical science saw it appropriated by medical men and the 'man-midwife' emerged. This paper demonstrates the work of a man-midwife in a small English village in one year, 1775, using his accounts and correspondence. The man was Matthew Flinders Senior, 'surgeon and man-midwife' at Donington, Lincolnshire. He was the father of Captain Matthew Flinders, the famous navigator who mapped the coast line of Australia and who coined that name...
January 1, 2017: Journal of Medical Biography
https://www.readbyqxmd.com/read/29066953/disturbances-in-the-fgfr1-5-ht1a-heteroreceptor-complexes-in-the-raphe-hippocampal-5-ht-system-develop-in-a-genetic-rat-model-of-depression
#5
Dasiel O Borroto-Escuela, Caitlin M DuPont, Xiang Li, David Savelli, Davide Lattanzi, Ipsit Srivastava, Manuel Narváez, Michael Di Palma, Elisa Barbieri, Yuniesky Andrade-Talavera, Riccardo Cuppini, Yuji Odagaki, Miklos Palkovits, Patrizia Ambrogini, Maria Lindskog, Kjell Fuxe
The FGFR1-5-HT1A heteroreceptor complexes are involved in neuroplasticity in the rat hippocampus and in the mesencephalic raphe 5-HT nerve cells. There exists a 5-HT1A protomer enhancement of FGFR1 protomer signaling. Acute and 10 day treatment with intracerebroventricular (i.c.v.) FGF-2 and the 5-HT1A agonist 8-OH-DPAT produced enhanced antidepressant effects in the forced swim test (FST). We studied in the current work the disturbances in the FGFR1-5-HT1A heterocomplexes in a genetic rat model of depression, the Flinders sensitive line (FSL) rats of Sprague-Dawley (SD) origin, by means of neurochemical, neurophysiological and behavioral techniques...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29048295/detection-of-spotted-fever-group-rickettsia-dna-by-deep-sequencing
#6
Rikki M A Graham, Steven Donohue, Jamie McMahon, Amy V Jennison
After conventional molecular and serologic testing failed to diagnose the cause of illness, deep sequencing identified spotted fever group Rickettsia DNA in a patient's blood sample. Sequences belonged to R. honei, the causative agent of Flinders Island spotted fever. Next-generation sequencing is proving to be a useful tool for clinical diagnostics.
November 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28994188/natural-history-of-endoscopically-detected-hiatus-herniae-at-late-follow-up
#7
Syeda Khadijah Ahmed, Tim Bright, David I Watson
BACKGROUND: Hiatus herniae are commonly seen at endoscopy. Many patients with a large hiatus hernia are endoscoped for symptoms associated with the hernia and many of these will progress to surgical treatment. However, little is known about the natural history of small to medium size hiatus herniae, and their risk of progressing to a larger hernia requiring surgery. This study aims to determine the need for subsequent surgery in these patients. METHODS: A retrospective audit of the endoscopy database at Flinders Medical Centre and the Repatriation General Hospital in Adelaide, South Australia for the 2-year period 2002-2003 was performed to identify all patients with a hiatus hernia...
October 9, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28947331/ketamine-and-aminoguanidine-differentially-affect-bdnf-and-mtor-gene-expression-in-the-prefrontal-cortex-of-adult-male-rats
#8
Vitor Silva Pereira, Betina Elfving, Sâmia R L Joca, Gregers Wegener
The rapid and sustained antidepressant properties of ketamine provide evidence of the importance of the glutamatergic system in the neurobiology of depression. The antidepressant-like effects of ketamine are dependent on brain-derived neurotrophic factor (BDNF) and mammalian target of rapamycin (mTOR) in limbic brain areas. The nitrergic system is closely related to the glutamatergic system and generates antidepressant-like effects when blocked. The aim of this study was to investigate whether the behavioural effects induced by the inhibition of nitric oxide (NO) synthesis by aminoguanidine or N-methyl-D-aspartate (NMDA) receptor blockade by ketamine would affect the gene expression of Bdnf and Mtor in the ventromedial prefrontal cortex in rats...
November 15, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28882088/slc7a11-xct-protein-expression-is-not-altered-in-the-depressed-brain-and-system-xc-deficiency-does-not-affect-depression-associated-behaviour-in-the-corticosterone-mouse-model
#9
Thomas Demuyser, Lauren Deneyer, Eduard Bentea, Giulia Albertini, Teresa Femenia, Laura Walrave, Hideyo Sato, Niels C Danbolt, Dimitri De Bundel, Alex Michotte, Maria Lindskog, Ann Massie, Ilse Smolders
OBJECTIVES: The cystine/glutamate antiporter (system xc-) is believed to contribute to nonvesicular glutamate release from glial cells in various brain areas. Although recent investigations implicate system xc- in mood disorders, unambiguous evidence has not yet been established. Therefore, we evaluated the possible role of system xc- in the depressive state. METHODS: We conducted a protein expression analysis of the specific subunit of system xc- (xCT) in brain regions of the corticosterone mouse model, Flinders Sensitive Line rat model and post-mortem tissue of depressed patients...
September 8, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28842277/olfactory-discrimination-and-memory-deficits-in-the-flinders-sensitive-line-rodent-model-of-depression
#10
A Cook, L-M Pfeiffer, S Thiele, V A Coenen, M D Döbrössy
Major Depressive Disorder (MDD) is a heterogeneous psychiatric disorder with broad symptomatic manifestations. The current study examined, for the first time, olfactory memory and discrimination in the Flinders Sensitive Line (FSL) rodent model of depression. Male FSL rats and controls were trained on an Olfactory Discrimination (OD) and a Social Interaction (SI) test. On the OD test, the FSL and controls performed similarly at the shortest inter-trial interval (5min), however, with extended delay of 30min, the FSLs had a recall and odour discrimination deficit...
October 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28835321/managing-chronic-conditions-care-across-primary-care-and-hospital-systems-lessons-from-an-australian-hospital-avoidance-risk-program-using-the-flinders-chronic-condition-management-program
#11
Sharon Lawn, Sara Zabeen, David Smith, Ellen Wilson, Cathie Miller, Malcolm Battersby, Kevin Masman
Objective The study aimed to determine the impact of the Flinders Chronic Condition Management Program for chronic condition self-management care planning and how to improve its use with Bendigo Health's Hospital Admission Risk Program (HARP).Methods A retrospective analysis of hospital admission data collected by Bendigo Health from July 2012 to September 2013 was undertaken. Length of stay during admission and total contacts post-discharge by hospital staff for 253 patients with 644 admissions were considered as outcome variables...
August 24, 2017: Australian Health Review: a Publication of the Australian Hospital Association
https://www.readbyqxmd.com/read/28819456/therapeutic-effect-of-astroglia-like-mesenchymal-stem-cells-expressing-glutamate-transporter-in-a-genetic-rat-model-of-depression
#12
Amit Shwartz, Oshra Betzer, Noam Kronfeld, Gila Kazimirsky, Simona Cazacu, Susan Finniss, Hae Kyung Lee, Menachem Motiei, Shani Yael Dagan, Rachela Popovtzer, Chaya Brodie, Gal Yadid
Recent studies have proposed that abnormal glutamatergic neurotransmission and glial pathology play an important role in the etiology and manifestation of depression. It was postulated that restoration of normal glutamatergic transmission, by enhancing glutamate uptake, may have a beneficial effect on depression. We examined this hypothesis using unique human glial-like mesenchymal stem cells (MSCs), which in addition to inherent properties of migration to regions of injury and secretion of neurotrophic factors, were differentiated to express high levels of functional glutamate transporters (excitatory amino acid transporters; EAAT)...
2017: Theranostics
https://www.readbyqxmd.com/read/28801836/optimization-of-sample-preparation-and-instrumental-parameters-for-the-rapid-analysis-of-drugs-of-abuse-in-hair-samples-by-maldi-ms-ms-imaging
#13
Bryn Flinders, Emma Beasley, Ricky M Verlaan, Eva Cuypers, Simona Francese, Tom Bassindale, Malcolm R Clench, Ron M A Heeren
Matrix-assisted laser desorption/ionization-mass spectrometry imaging (MALDI-MSI) has been employed to rapidly screen longitudinally sectioned drug user hair samples for cocaine and its metabolites using continuous raster imaging. Optimization of the spatial resolution and raster speed were performed on intact cocaine contaminated hair samples. The optimized settings (100 × 150 μm at 0.24 mm/s) were subsequently used to examine longitudinally sectioned drug user hair samples. The MALDI-MS/MS images showed the distribution of the most abundant cocaine product ion at m/z 182...
November 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28771575/zl006-a-small-molecule-inhibitor-of-psd-95-nnos-interaction-does-not-induce-antidepressant-like-effects-in-two-genetically-predisposed-rat-models-of-depression-and-control-animals
#14
Sandra Tillmann, Vitor Silva Pereira, Nico Liebenberg, Anne Karina Christensen, Gregers Wegener
N-methyl-D-aspartate receptor (NMDA-R) antagonists and nitric oxide inhibitors have shown promising efficacy in depression but commonly induce adverse events. To circumvent these, a more indirect disruption of the nitric oxide synthase/postsynaptic density protein 95 kDa complex at the NMDA-R has been proposed. This disruption can be achieved using small molecule inhibitors such as ZL006, which has attracted attention as ischemic stroke therapy in rodents and has been proposed as a potential novel treatment for depression...
2017: PloS One
https://www.readbyqxmd.com/read/28756450/consumer-perspectives-on-myhealth-record-a-review
#15
Yasmin Van Kasteren, Anthony Maeder, Patricia A Williams, Raechel Damarell
The vision for Australia's national electronic health record system included empowering consumers to become active participants in their own health care. This paper aims to critically review the literature on consumer perspectives of Australia's My Health Record (formerly PCEHR). The review is based on a subset of articles (n=12) identified in the Australian EHR Repository (N=143), a repository of metadata of Australian Research on EHR located at Flinders University. Results show low levels of awareness and concerns about sharing records and equity of access for all Australians, which in view of the change from opt in to opt out raises concerns about explicit consent...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28684566/first-complete-genomic-sequence-of-a-rabies-virus-from-the-republic-of-tajikistan-obtained-directly-from-a-flinders-technology-associates-card
#16
H Goharriz, D A Marston, F Sharifzoda, R J Ellis, D L Horton, T Khakimov, A Whatmore, K Khamroev, A N Makhmadshoev, M Bazarov, A R Fooks, A C Banyard
A brain homogenate derived from a rabid dog in the district of Tojikobod, Republic of Tajikistan, was applied to a Flinders Technology Associates (FTA) card. A full-genome sequence of rabies virus (RABV) was generated from the FTA card directly without extraction, demonstrating the utility of these cards for readily obtaining genetic data.
July 6, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28547179/telomere-length-measurement-by-qpcr-in-birds-is-affected-by-storage-method-of-blood-samples
#17
Sophie Reichert, Hannah Froy, Winnie Boner, Theresa M Burg, Francis Daunt, Robert Gillespie, Kate Griffiths, Sue Lewis, Richard A Phillips, Dan H Nussey, Pat Monaghan
Given the potential role of telomeres as biomarkers of individual health and ageing, there is an increasing interest in studying telomere dynamics in a wider range of taxa in the fields of ecology and evolutionary biology. Measuring telomere length across the lifespan in wild animal systems is essential for testing these hypotheses, and may be aided by archived blood samples collected as part of longitudinal field studies. However, sample collection, storage, and DNA extraction methods may influence telomere length measurement, and it may, therefore, be difficult to balance consistency in sampling protocol with making the most of available samples...
June 2017: Oecologia
https://www.readbyqxmd.com/read/28523505/mass-spectrometry-imaging-of-drugs-of-abuse-in-hair
#18
Bryn Flinders, Eva Cuypers, Tiffany Porta, Emmanuel Varesio, Gérard Hopfgartner, Ron M A Heeren
Hair testing is a powerful tool routinely used for the detection of drugs of abuse. The analysis of hair is highly advantageous as it can provide prolonged drug detectability versus that in biological fluids and chronological information about drug intake based on the average growth of hair. However, current methodology requires large amounts of hair samples and involves complex time-consuming sample preparation followed by gas or liquid chromatography coupled with mass spectrometry. Mass spectrometry imaging is increasingly being used for the analysis of single hair samples, as it provides more accurate and visual chronological information in single hair samples...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28500814/fta-cards-facilitate-storage-shipment-and-detection-of-arboviruses-in-infected-aedes-aegypti-collected-in-adult-mosquito-traps
#19
Sonja Hall-Mendelin, Glen R Hewitson, Doris Genge, Peter J Burtonclay, Amanda J De Jong, Alyssa T Pyke, Andrew F van den Hurk
AbstractThe utility of applying infected Aedes aegypti to Flinders Technology Associates (FTA(®)) cards for storage, transport, and detection of dengue, Zika, and Barmah Forest viruses was assessed in laboratory-based experiments. The mosquitoes had been removed from Gravid Aedes Traps maintained under conditions of high temperature and humidity. RNA of all viruses could be detected in infected mosquitoes on FTA cards either individually or in pools with uninfected mosquitoes, and stored for up to 28 days...
May 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28488309/medical-students-experience-of-performing-female-pelvic-examinations-opportunities-and-barriers
#20
Harsh Bhoopatkar, Andy Wearn, Anna Vnuk
BACKGROUND: Teaching and learning female pelvic examination within the undergraduate medical curriculum offers some potential challenges. One such is the extent to which students are provided practice opportunities with patients in the clinical setting. AIMS: To quantify how many pelvic examinations, on real patients, have been performed by medical students at the point of graduation, and to explore opportunities and barriers to performing these examinations. MATERIALS AND METHODS: A retrospective study using a self-completed, anonymous, electronic survey was developed as part of a multi-centre study...
October 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
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