11 results on '"John Christie"'
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2. Joining or Exiting the Defined Benefit Division Superannuation Scheme of UniSuper
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John Christie
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superannuation ,pension ,universities ,defined benefit ,indexed pension ,retirement ,australia ,Business ,HF5001-6182 - Abstract
The Defined Benefit Division of UniSuper is a large defined benefit superannuation scheme in Australia for public universities. Unlike public service superannuation schemes in Australia, it is not guaranteed by the employers. This has previously led to a reduction in benefits of the scheme due to expected funding shortfalls. This paper examines longstanding and more recent issues with the funding of the Defined Benefit Division. Recent changes to superannuation laws in Australia may result in further benefit reductions for the scheme in the future. Should new eligible employees join the Defined Benefit Division? What form of retirement benefit should be taken by retiring Defined Benefit Division members? The paper examines these two key questions. Employees who are contemplating joining the Defined Benefit Division, or those Defined Benefit Division members about to retire, have some very important decisions to make.
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- 2023
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3. Stock Market Crashes in Australia: A Brief Technical Note
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John Christie
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stock market crashes ,australia ,Business ,HF5001-6182 - Abstract
This paper analyses the three stock market crashes in Australia which have occurred since the All Ordinaries Index was established in 1980. The index behaves in an approximately exponential manner leading up to each market crash and this behaviour can be interpreted as a sign of a looming market crash.
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- 2021
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4. Autologous Transplantation Using Donor Leukocytes Loaded Ex Vivo with Oncolytic Myxoma Virus Can Eliminate Residual Multiple Myeloma
- Author
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Nancy.Y. Villa, Masmudur M. Rahman, Joseph. Mamola, Julia D’Isabella, Elizabeth Goras, Jacquelyn Kilbourne, Kenneth Lowe, Juliane Daggett-Vondras, Lino Torres, John Christie, Nicole Appel, Anna L. Cox, Jae B. Kim, and Grant McFadden
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myxoma virus (MYXV) ,multiple myeloma (MM) ,minimal residual disease (MRD) ,autologous stem cells transplantation (ASCT) ,tumor micreoenvironment (TME) ,carrier cells ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Multiple myeloma (MM) is a hematological malignancy of monoclonal plasma cells that remains incurable. Standard treatments for MM include myeloablative regimens and autologous cell transplantation for eligible patients. A major challenge of these treatments is the relapse of the disease due to residual MM in niches that become refractory to treatments. Therefore, novel therapies are needed in order to eliminate minimal residual disease (MRD). Recently, our laboratory reported that virotherapy with oncolytic myxoma virus (MYXV) improved MM-free survival in an allogeneic transplant mouse model. In this study, we demonstrate the capacity of donor autologous murine leukocytes, pre-armed with MYXV, to eliminate MRD in a BALB/c MM model. We report that MYXV-armed bone marrow (BM) carrier leukocytes are therapeutically superior to MYXV-armed peripheral blood mononuclear cells (PBMCs) or free virus. Importantly, when cured survivor mice were re-challenged with fresh myeloma cells, they developed immunity to the same MM that had comprised MRD. In vivo imaging demonstrated that autologous carrier cells armed with MYXV were very efficient at delivery of MYXV into the recipient tumor microenvironment. Finally, we demonstrate that treatment with MYXV activates the secretion of pro-immune molecules from the tumor bed. These results highlight the utility of exploiting autologous leukocytes to enhance tumor delivery of MYXV to treat MRD in vivo.
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- 2020
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5. Does multilingualism affect the incidence of Alzheimer’s disease?: A worldwide analysis by country
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Raymond M. Klein, John Christie, and Mikael Parkvall
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Public aspects of medicine ,RA1-1270 ,Social sciences (General) ,H1-99 - Abstract
It has been suggested that the cognitive requirements associated with bi- and multilingual processing provide a form of mental exercise that, through increases in cognitive reserve and brain fitness, may delay the symptoms of cognitive failure associated with Alzheimer′s disease and other forms of dementia. We collected data on a country-by-country basis that might shed light on this suggestion. Using the best available evidence we could find, the somewhat mixed results we obtained provide tentative support for the protective benefits of multilingualism against cognitive decline. But more importantly, this study exposes a critical issue, which is the need for more comprehensive and more appropriate data on the subject. Keywords: Bilingualism, Alzheimer's disease, Dementia, Brain reserve
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- 2016
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6. Methods for the evaluation of biomarkers in patients with kidney and liver diseases: multicentre research programme including ELUCIDATE RCT
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Peter J Selby, Rosamonde E Banks, Walter Gregory, Jenny Hewison, William Rosenberg, Douglas G Altman, Jonathan J Deeks, Christopher McCabe, Julie Parkes, Catharine Sturgeon, Douglas Thompson, Maureen Twiddy, Janine Bestall, Joan Bedlington, Tilly Hale, Jacqueline Dinnes, Marc Jones, Andrew Lewington, Michael P Messenger, Vicky Napp, Alice Sitch, Sudeep Tanwar, Naveen S Vasudev, Paul Baxter, Sue Bell, David A Cairns, Nicola Calder, Neil Corrigan, Francesco Del Galdo, Peter Heudtlass, Nick Hornigold, Claire Hulme, Michelle Hutchinson, Carys Lippiatt, Tobias Livingstone, Roberta Longo, Matthew Potton, Stephanie Roberts, Sheryl Sim, Sebastian Trainor, Matthew Welberry Smith, James Neuberger, Douglas Thorburn, Paul Richardson, John Christie, Neil Sheerin, William McKane, Paul Gibbs, Anusha Edwards, Naeem Soomro, Adebanji Adeyoju, Grant D Stewart, and David Hrouda
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biomarkers ,liver disease ,kidney disease ,prostate-specific antigen ,monitoring trials ,simulation of biomarker studies ,elf test ,elucidate ,renal cancer ,renal transplantation ,diagnosis of cirrhosis ,Public aspects of medicine ,RA1-1270 - Abstract
Background: Protein biomarkers with associations with the activity and outcomes of diseases are being identified by modern proteomic technologies. They may be simple, accessible, cheap and safe tests that can inform diagnosis, prognosis, treatment selection, monitoring of disease activity and therapy and may substitute for complex, invasive and expensive tests. However, their potential is not yet being realised. Design and methods: The study consisted of three workstreams to create a framework for research: workstream 1, methodology – to define current practice and explore methodology innovations for biomarkers for monitoring disease; workstream 2, clinical translation – to create a framework of research practice, high-quality samples and related clinical data to evaluate the validity and clinical utility of protein biomarkers; and workstream 3, the ELF to Uncover Cirrhosis as an Indication for Diagnosis and Action for Treatable Event (ELUCIDATE) randomised controlled trial (RCT) – an exemplar RCT of an established test, the ADVIA Centaur® Enhanced Liver Fibrosis (ELF) test (Siemens Healthcare Diagnostics Ltd, Camberley, UK) [consisting of a panel of three markers – (1) serum hyaluronic acid, (2) amino-terminal propeptide of type III procollagen and (3) tissue inhibitor of metalloproteinase 1], for liver cirrhosis to determine its impact on diagnostic timing and the management of cirrhosis and the process of care and improving outcomes. Results: The methodology workstream evaluated the quality of recommendations for using prostate-specific antigen to monitor patients, systematically reviewed RCTs of monitoring strategies and reviewed the monitoring biomarker literature and how monitoring can have an impact on outcomes. Simulation studies were conducted to evaluate monitoring and improve the merits of health care. The monitoring biomarker literature is modest and robust conclusions are infrequent. We recommend improvements in research practice. Patients strongly endorsed the need for robust and conclusive research in this area. The clinical translation workstream focused on analytical and clinical validity. Cohorts were established for renal cell carcinoma (RCC) and renal transplantation (RT), with samples and patient data from multiple centres, as a rapid-access resource to evaluate the validity of biomarkers. Candidate biomarkers for RCC and RT were identified from the literature and their quality was evaluated and selected biomarkers were prioritised. The duration of follow-up was a limitation but biomarkers were identified that may be taken forward for clinical utility. In the third workstream, the ELUCIDATE trial registered 1303 patients and randomised 878 patients out of a target of 1000. The trial started late and recruited slowly initially but ultimately recruited with good statistical power to answer the key questions. ELF monitoring altered the patient process of care and may show benefits from the early introduction of interventions with further follow-up. The ELUCIDATE trial was an ‘exemplar’ trial that has demonstrated the challenges of evaluating biomarker strategies in ‘end-to-end’ RCTs and will inform future study designs. Conclusions: The limitations in the programme were principally that, during the collection and curation of the cohorts of patients with RCC and RT, the pace of discovery of new biomarkers in commercial and non-commercial research was slower than anticipated and so conclusive evaluations using the cohorts are few; however, access to the cohorts will be sustained for future new biomarkers. The ELUCIDATE trial was slow to start and recruit to, with a late surge of recruitment, and so final conclusions about the impact of the ELF test on long-term outcomes await further follow-up. The findings from the three workstreams were used to synthesise a strategy and framework for future biomarker evaluations incorporating innovations in study design, health economics and health informatics. Trial registration: Current Controlled Trials ISRCTN74815110, UKCRN ID 9954 and UKCRN ID 11930. Funding: This project was funded by the NIHR Programme Grants for Applied Research programme and will be published in full in Programme Grants for Applied Research; Vol. 6, No. 3. See the NIHR Journals Library website for further project information.
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- 2018
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7. SIR JAMES WHYTE BLACK OM : 14 June 1924 — 22 March 2010
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McGrath, John Christie and Bond, Richard A.
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- 2021
8. A comparison of simple hierarchy and grid metaphors for option layouts on small-size screens.
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John Christie, Raymond M. Klein, and Carolyn R. Watters
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- 2004
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9. 2-Aminoethylnitrate: earlier investigation as a drug was missed by recent authors due to changes in nomenclature
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McGrath, John Christie
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- 2013
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10. The effect of gaze on gaze direction while looking at art.
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Kristie R Dukewich, Raymond M Klein, and John Christie
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GAZE ,ART ,ATTENTION ,VISUAL perception ,EYE movements ,SOCIAL context - Abstract
In highly controlled cuing experiments, conspecific gaze direction has powerful effects on an observer's attention. We explored the generality of this effect by using paintings in which the gaze direction of a key character had been carefully manipulated. Our observers looked at these paintings in one of three instructional states (neutral, social, or spatial) while we monitored their eye movements. Overt orienting was much less influenced by the critical gaze direction than what the cuing literature might suggest: An analysis of the direction of saccades following the first fixation of the critical gaze showed that observers were weakly biased to orient in the direction of the gaze. Over longer periods of viewing, however, this effect disappeared for all but the social condition. This restriction of gaze as an attentional cue to a social context is consistent with the idea that the evolution of gaze direction detection is rooted in social communication. The picture stimuli from this experiment can be downloaded from the Psychonomic Society's Archive of Norms, Stimuli, and Data, www.psychonomic.org/archive. [ABSTRACT FROM AUTHOR]
- Published
- 2008
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11. Vector Averaging of Inhibition of Return.
- Author
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Raymond M. Klein, John Christie, and Eric P. Morris
- Abstract
Observers detected targets presented 400 msec after a display containing one cue or two to four cues displayed simultaneously in randomly selected locations on a virtual circle around fixation. The cue arrangement was completely uninformative about the upcoming target's location, and eye position was monitored to ensure that the participants maintained fixation between the cue and their manual detection response. Reflecting inhibition of return (IOR), there was a gradient of performance following single cues, with reaction time decreasing monotonically as the target's angular distance from the cued direction increased. An equivalent gradient of IOR was found following multiple cues whose center of gravity fell outside the parafoveal region and, thus, whose net vector would activate an orienting response. Moreover, on these trials, whether or not the targeted location had been stimulated by a cue had little effect on this gradient. Finally, when the array of cues was balanced so that its center of gravity was at fixation, there was no IOR. These findings, which suggest that IOR is an aftermath of orienting elicited by the cue, are compatible with population coding of the entire cue (as a grouped array for multiple cues) as the generator of IOR. [ABSTRACT FROM AUTHOR]
- Published
- 2005
- Full Text
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