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Thompson DS, McKenzie K, Opondo C, Boyne MS, Lelijveld N, Wells JC, Cole TJ, Anujuo K, Abera M, Berhane M, Koulman A, Wootton SA, Kerac M, Badaloo A. Faster rehabilitation weight gain during childhood is associated with risk of non-communicable disease in adult survivors of severe acute malnutrition. PLOS Glob Public Health 2023; 3:e0002698. [PMID: 38127945 PMCID: PMC10734994 DOI: 10.1371/journal.pgph.0002698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 11/15/2023] [Indexed: 12/23/2023]
Abstract
Nutritional rehabilitation during severe acute malnutrition (SAM) aims to quickly restore body size and minimize poor short-term outcomes. We hypothesized that faster weight gain during treatment is associated with greater cardiometabolic risk in adult life. Anthropometry, body composition (DEXA), blood pressure, blood glucose, insulin and lipids were measured in a cohort of adults who were hospitalized as children for SAM between 1963 and 1993. Weight and height measured during hospitalization and at one year post-recovery were abstracted from hospital records. Childhood weight gain during nutritional rehabilitation and weight and height gain one year post-recovery were analysed as continuous variables, quintiles and latent classes in age, sex and minimum weight-for-age z-scores-adjusted regression models against adult measurements. Data for 278 adult SAM survivors who had childhood admission records were analysed. Of these adults, 85 also had data collected 1 year post-hospitalisation. Sixty percent of participants were male, mean (SD) age was 28.2 (7.7) years, mean (SD) BMI was 23.6 (5.2) kg/m2. Mean admission age for SAM was 10.9 months (range 0.3-36.3 months), 77% were wasted (weight-for-height z-scores<-2). Mean rehabilitation weight gain (SD) was 10.1 (3.8) g/kg/day and 61.6 (25.3) g/day. Rehabilitation weight gain > 12.9 g/kg/day was associated with higher adult BMI (difference = 0.5 kg/m2, 95% CI: 0.1-0.9, p = 0.02), waist circumference (difference = 1.4 cm, 95% CI: 0.4-2.4, p = 0.005), fat mass (difference = 1.1 kg, 95% CI: 0.2-2, p = 0.02), fat mass index (difference = 0.32kg/m2, 95% CI: -0.0001-0.6, p = 0.05), and android fat mass (difference = 0.09 kg, 95% CI: 0.01-0.2, p = 0.03). Post-recovery weight gain (g/kg/month) was associated with lean mass (difference = 1.3 kg, 95% CI: 0.3-2.4, p = 0.015) and inversely associated with android-gynoid fat ratio (difference = -0.03, 95% CI: -0.07to-0.001 p = 0.045). Rehabilitation weight gain exceeding 13g/kg/day was associated with adult adiposity in young, normal-weight adult SAM survivors. This challenges existing guidelines for treating malnutrition and warrants further studies aiming at optimising these targets.
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Affiliation(s)
- Debbie S. Thompson
- Caribbean Institute for Health Research, The University of the West Indies, Kingston, Jamaica
| | - Kimberley McKenzie
- Caribbean Institute for Health Research, The University of the West Indies, Kingston, Jamaica
| | - Charles Opondo
- Department of Medical Statistics, Faculty of Epidemiology & Population Health, London School of Hygiene & Tropical Medicine, London, United Kingdom
| | - Michael S. Boyne
- Department of Medicine, The University of the West Indies, Kingston, Jamaica
| | - Natasha Lelijveld
- Department of Population Health, Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom
- Centre for Maternal, Adolescent & Reproductive Child Health (MARCH), London School of Hygiene & Tropical Medicine, London, United Kingdom
| | - Jonathan C. Wells
- Population Policy and Practice Department, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Tim J. Cole
- Population Policy and Practice Department, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Kenneth Anujuo
- Department of Population Health, Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Mubarek Abera
- Faculty of Medical Science, Institute of Health, Jimma University, Jimma, Ethiopia
| | - Melkamu Berhane
- Faculty of Medical Science, Institute of Health, Jimma University, Jimma, Ethiopia
| | - Albert Koulman
- Nutritional Biomarker Laboratory, MRC Epidemiology Unit, University of Cambridge, Cambridge, United Kingdom
| | - Stephen A. Wootton
- Southampton NIHR Biomedical Research Centre, University of Southampton, Southampton, United Kingdom
| | - Marko Kerac
- Department of Population Health, Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom
- Centre for Maternal, Adolescent & Reproductive Child Health (MARCH), London School of Hygiene & Tropical Medicine, London, United Kingdom
| | - Asha Badaloo
- Caribbean Institute for Health Research, The University of the West Indies, Kingston, Jamaica
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Liu LS, Jia X, Zhu A, Ran GJ, Siegert R, French N, Johnston D. Stigmatising and Racialising COVID-19: Asian People's Experience in New Zealand. J Racial Ethn Health Disparities 2023; 10:2704-2717. [PMID: 36369460 PMCID: PMC9651882 DOI: 10.1007/s40615-022-01448-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 10/24/2022] [Accepted: 11/01/2022] [Indexed: 11/13/2022]
Abstract
The Asian community - the second largest non-European ethnic community in New Zealand - plays an important role in combatting the COVID-19 pandemic, evidenced by their active advocation for border control and mass masking. Despite the long history of racial discrimination against the Asian population, the Asian community has experienced certain degrees of racial discrimination associated with the stigmatisation as the cause of the COVID-19 outbreak in New Zealand. Based on data from a quantitative online survey with 402 valid responses within the Asian communities across New Zealand and the in-depth interviews with 19 Asian people in Auckland, New Zealand, this paper will illustrate Asian people's experience of racial discrimination and stigmatisation during the pandemic in the country. The survey shows that since the outbreak of COVID-19, under a quarter of the participants reported experiencing discrimination, and a third reported knowing an immediate contact who had experienced discrimination. However, when looking beyond their immediate social circle, an even higher proportion reported noticing racism and stigmatisation through the traditional or social media due to COVID-19. Major variations of the degree of racial discrimination experienced are determined by three demographic variables: ethnicity, age, and region. The in-depth interviews largely echoed the survey findings and highlighted a strong correlation between the perceived racial discrimination among the local Asian community and the stigmatisation associated with COVID-19. These findings are important for improving the way we manage future pandemics and other disasters within the context of the UN Sendai Framework for Disaster Risk Reduction.
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Affiliation(s)
- Liangni Sally Liu
- School of Humanities, Media and Creative Communication, Massey University, Auckland, New Zealand.
| | - Xiaoyun Jia
- Institute of Governance & School of Politics and Public Administration, Shangdong University, Qingdao, China
- School of Mathematical and Computational Sciences, Massey University, Auckland, New Zealand
| | - Andrew Zhu
- Trace Research Ltd, Auckland, New Zealand
| | - Guanyu Jason Ran
- School of Applied Sciences, Edinburgh Napier University, Edinburgh, UK
| | - Richard Siegert
- Department of Psychology & Neuroscience, School of Clinical Sciences, University of Technology, Auckland, New Zealand
| | - Nigel French
- Infectious Diseases Research Centre, Hopkirk Research Institute, Massey University, Palmerston North, New Zealand
| | - David Johnston
- Joint Centre for Disaster Research, Massey University, Wellington, New Zealand.
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Vahala D, Amos SE, Sacchi M, Soliman BG, Hepburn MS, Mowla A, Li J, Jeong JH, Astell C, Hwang Y, Kennedy BF, Lim KS, Choi YS. 3D Volumetric Mechanosensation of MCF7 Breast Cancer Spheroids in a Linear Stiffness Gradient GelAGE. Adv Healthc Mater 2023; 12:e2301506. [PMID: 37670531 DOI: 10.1002/adhm.202301506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/26/2023] [Indexed: 09/07/2023]
Abstract
The tumor microenvironment presents spatiotemporal shifts in biomechanical properties with cancer progression. Hydrogel biomaterials like GelAGE offer the stiffness tuneability to recapitulate dynamic changes in tumor tissues by altering photo-energy exposures. Here, a tuneable hydrogel with spatiotemporal control of stiffness and mesh-network is developed. The volume of MCF7 spheroids encapsulated in a linear stiffness gradient demonstrates an inverse relationship with stiffness (p < 0.0001). As spheroids are exposed to increased crosslinking (stiffer) and greater mechanical confinement, spheroid stiffness increases. Protein expression (TRPV4, β1 integrin, E-cadherin, and F-actin) decreases with increasing stiffness while showing strong correlations to spheroid volume (r2 > 0.9). To further investigate the role of volume, MCF7 spheroids are grown in a soft matrix for 5 days prior to a second polymerisation which presents a stiffness gradient to equally expanded spheroids. Despite being exposed to variable stiffness, these spheroids show even protein expression, confirming volume as a key regulator. Overall, this work showcases the versatility of GelAGE and demonstrates volume expansion as a key regulator of 3D mechanosensation in MCF7 breast cancer spheroids. This platform has the potential to further investigation into the role of stiffness and dimensionality in 3D spheroid culture for other types of cancers and diseases.
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Affiliation(s)
- Danielle Vahala
- School of Human Sciences, The University of Western Australia, Perth, WA, 6009, Australia
| | - Sebastian E Amos
- School of Human Sciences, The University of Western Australia, Perth, WA, 6009, Australia
| | - Marta Sacchi
- School of Human Sciences, The University of Western Australia, Perth, WA, 6009, Australia
| | - Bram G Soliman
- Department of Orthopaedic Surgery and Musculoskeletal Medicine, University of Otago Christchurch, Christchurch, 8140, New Zealand
| | - Matt S Hepburn
- Department of Electrical, Electronic & Computer Engineering, School of Engineering, The University of Western Australia, Perth, WA, 6009, Australia
- BRITElab, Harry Perkins Institute of Medical Research, QEII Medical Centre, Nedlands, and Centre for Medical Research, The University of Western Australia, Perth, WA, 6009, Australia
| | - Alireza Mowla
- Department of Electrical, Electronic & Computer Engineering, School of Engineering, The University of Western Australia, Perth, WA, 6009, Australia
- BRITElab, Harry Perkins Institute of Medical Research, QEII Medical Centre, Nedlands, and Centre for Medical Research, The University of Western Australia, Perth, WA, 6009, Australia
| | - Jiayue Li
- Department of Electrical, Electronic & Computer Engineering, School of Engineering, The University of Western Australia, Perth, WA, 6009, Australia
- BRITElab, Harry Perkins Institute of Medical Research, QEII Medical Centre, Nedlands, and Centre for Medical Research, The University of Western Australia, Perth, WA, 6009, Australia
| | - Ji Hoon Jeong
- Soonchunhyang Institute of Medi-Bio Science, Soonchunhyang University, Cheonan-si, Chungcheongnam-do, 31151, South Korea
| | - Chrissie Astell
- School of Human Sciences, The University of Western Australia, Perth, WA, 6009, Australia
| | - Yongsung Hwang
- Soonchunhyang Institute of Medi-Bio Science, Soonchunhyang University, Cheonan-si, Chungcheongnam-do, 31151, South Korea
| | - Brendan F Kennedy
- Department of Electrical, Electronic & Computer Engineering, School of Engineering, The University of Western Australia, Perth, WA, 6009, Australia
- BRITElab, Harry Perkins Institute of Medical Research, QEII Medical Centre, Nedlands, and Centre for Medical Research, The University of Western Australia, Perth, WA, 6009, Australia
| | - Khoon S Lim
- Department of Orthopaedic Surgery and Musculoskeletal Medicine, University of Otago Christchurch, Christchurch, 8140, New Zealand
- School of Medical Sciences, University of Sydney, Sydney, NSW, 2006, Australia
| | - Yu Suk Choi
- School of Human Sciences, The University of Western Australia, Perth, WA, 6009, Australia
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Saw KS, Sexton K, Frankish P, Hulme-Moir M, Bissett I, Parry S. Interval colorectal cancers after negative faecal immunochemical test in the New Zealand Bowel Screening Pilot. BMJ Open Gastroenterol 2023; 10:e001233. [PMID: 38007223 PMCID: PMC10679982 DOI: 10.1136/bmjgast-2023-001233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 11/02/2023] [Indexed: 11/27/2023] Open
Abstract
OBJECTIVE Evaluate the diagnostic performance of faecal immunochemical test (FIT), identify risk factors for FIT-interval colorectal cancers (FIT-IC) and describe long-term outcomes of participants with colorectal cancers (CRC) in the New Zealand Bowel Screening Pilot (BSP). DESIGN From 2012 to 2017, the BSP offered eligible individuals, aged 50-74 years, biennial screening using a quantitative FIT with positivity threshold of 15 µg haemoglobin (Hb)/g faeces. Retrospective review of prospectively maintained data extracted from the BSP Register and New Zealand Cancer Registry identified any CRC reported in participants who returned a definitive FIT result. Further details were obtained from hospital records. FIT-ICs were primary CRC diagnosed within 24 months of a negative FIT. Factors associated with FIT-ICs were identified using logistic regression. RESULTS Of 387 215 individuals invited, 57.4% participated with 6.1% returning positive FIT results. Final analysis included 520 CRC, of which 111 (21.3%) met FIT-IC definition. Overall FIT sensitivity for CRC was 78.7% (95% CI=74.9% to 82.1%), specificity was 94.1% (95% CI=94.0% to 94.2%). In 78 (70.3%) participants with FIT-IC, faecal Hb was reported as undetectable. There were no significant associations between FIT-IC and age, sex, ethnicity and deprivation. FIT-ICs were significantly associated with proximal tumour location, late stage at diagnosis, high-grade tumour differentiation and subsequent round screens. Median follow-up time was 74 (2-124) months. FIT-IC had significantly poorer overall survival. CONCLUSION FIT sensitivity in BSP compared favourably to published data. FIT-ICs were more likely to be proximal tumours with poor long-term outcomes. Further lowering of FIT threshold would have minimal impact on FIT-IC.
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Affiliation(s)
- Kai Sheng Saw
- Department of Surgery, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Kerry Sexton
- National Screening Unit, New Zealand Ministry of Health, Wellington, New Zealand
| | - Paul Frankish
- Department of Gastroenterology, Te Whatu Ora - Health New Zealand Waitemata, Takapuna, New Zealand
| | - Mike Hulme-Moir
- Department of Surgery, Te Whatu Ora - Health New Zealand Waitemata, Takapuna, New Zealand
| | - Ian Bissett
- Department of Surgery, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Susan Parry
- National Screening Unit, New Zealand Ministry of Health, Wellington, New Zealand
- Department of Medicine, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
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Iusitini L, Tautolo ES, Plank LD, Rush E. Pacific Islands Families Study: Household Food Security during Pregnancy and Secondary School Educational Achievement. Nutrients 2023; 15:4131. [PMID: 37836415 PMCID: PMC10574222 DOI: 10.3390/nu15194131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 09/19/2023] [Accepted: 09/21/2023] [Indexed: 10/15/2023] Open
Abstract
Nutritional environment in early life is a key factor for brain development and function. It is important to understand the relationship between nutrition in early life and academic achievement in adolescence. The birth cohort of the Pacific Islands Families (PIF) study was born in the year 2000. When their child was six weeks old, mothers were asked questions concerning food security over the past year. Two binary measures of food security were derived as previously used in PIF and also by the Ministry of Health (MOH). In 2020, records of academic achievement from the National Certificate of Educational Achievement (NCEA) for 649 (317 female, 332 male) cohort members showed progressive achievement at levels 1, 2, and 3 of NCEA and allowed University Entrance (UE) to be assessed. The prevalence of food insecurity was not different for sex but high at 29% and 42% using the PIF and MOH definitions of food insecurity, respectively. More females (27%) than males (18%) achieved UE as their highest qualification, and more males (40%) than females (31%) achieved NCEA levels 1 or 2 as their highest qualification. UE was achieved by 25% of those born into food-secure households and 17% from food-insecure households. Logistic regression demonstrated that the odds of achieving UE were 1.8-fold (95% CI 1.2, 2.6, p = 0.003) higher in females than males and, independently, 1.6-fold (95% CI 1.1, 2.5 p = 0.026) higher if the household was food secure. This work emphasises the importance of maternal and early-life food security for subsequent academic achievement and the well-being of future generations.
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Affiliation(s)
- Leon Iusitini
- New Zealand Work Research Institute, Faculty of Business, Economics and Law, Auckland University of Technology, Auckland 1142, New Zealand;
| | - El-Shadan Tautolo
- School of Public Health & Interdisciplinary Studies, Faculty of Health and Environmental Sciences, Auckland University of Technology, Auckland 1142, New Zealand;
| | - Lindsay D. Plank
- Department of Surgery, Faculty of Medical and Health Sciences, University of Auckland, Auckland 1142, New Zealand;
| | - Elaine Rush
- School of Sport and Recreation, Faculty of Health and Environmental Sciences, Auckland University of Technology, Auckland 1142, New Zealand
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Slutske WS, Richmond-Rakerd LS, Piasecki TM, Ramrakha S, Poulton R, Moffitt TE, Caspi A. Disordered gambling in a longitudinal birth cohort: from childhood precursors to adult life outcomes. Psychol Med 2023; 53:5800-5808. [PMID: 36254750 PMCID: PMC10482703 DOI: 10.1017/s0033291722003051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 09/06/2022] [Accepted: 09/09/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Despite its introduction into the diagnostic nomenclature over four decades ago, there remain large knowledge gaps about disordered gambling. The primary aims of the present study were to document the long-term course, childhood precursors, and adult life outcomes associated with disordered gambling. METHODS Participants enrolled in the population-representative Dunedin Study were prospectively followed from birth through age 45. Disordered gambling was assessed six times from age 18; composite measures of childhood social class, general intelligence, and low self-control were based on assessments obtained from birth through age 15; adult socioeconomic, financial, and legal outcomes were obtained through age 45. Lifetime disordered gambling was predicted from the three childhood precursors and the adult outcomes were predicted from lifetime disordered gambling. RESULTS Past-year disordered gambling usually occurred at only a single time point and recurrence was relatively uncommon. Lower childhood social class, general intelligence, and self-control significantly predicted lifetime disordered gambling in adulthood. In turn, lifetime disordered gambling in adulthood significantly predicted occupational, educational, and financial problems in adulthood (ds = 0.23-0.41). These associations were markedly reduced and sometimes rendered nonsignificant after adjusting for childhood precursors (ds = 0.04-0.32). CONCLUSIONS Socioeconomic, financial, and legal outcomes in adulthood are not merely consequences of disordered gambling, but also are predicted from childhood precursors. Deflecting the trajectories of young people at risk for developing disordered gambling may help to ameliorate not just the development of later disordered gambling, but also other associated adverse outcomes.
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Affiliation(s)
- Wendy S. Slutske
- Department of Family Medicine and Community Health, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | | | - Thomas M. Piasecki
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Sandhya Ramrakha
- Department of Psychology, University of Otago, Dunedin, New Zealand
| | - Richie Poulton
- Department of Psychology, University of Otago, Dunedin, New Zealand
| | - Terrie E. Moffitt
- Department of Psychology and Neuroscience, Duke University, Durham, North Carolina, USA
| | - Avshalom Caspi
- Department of Psychology and Neuroscience, Duke University, Durham, North Carolina, USA
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Hikaka J, Abey-Nesbit R, McIntosh B, Schluter PJ, Nishtala PS, Scrase R, Jamieson HA. Utility of Big Data to Explore Medication Adherence in Māori and Non-Māori Community-Dwelling Older Adults with Heart Failure in Aotearoa New Zealand: A Cross-sectional Study. Drugs Aging 2023; 40:847-855. [PMID: 37386345 PMCID: PMC10450015 DOI: 10.1007/s40266-023-01044-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/07/2023] [Indexed: 07/01/2023]
Abstract
BACKGROUND Medication adherence improves morbidity and mortality-related outcomes in heart failure, and knowledge of patterns of medication adherence supports patient and clinician decision-making. Routinely collected national data facilitate the exploration of medication adherence and associated factors in older adults with heart failure, including the association between ethnicity and adherence. There are known inequities in access to medicines between Māori (Indigenous People of Aotearoa New Zealand) and non-Māori, yet ethnic variation in medicines adherence in community-dwelling older adults with heart failure has not been explored. OBJECTIVE Here we identify medication adherence rates for community-dwelling older adults diagnosed with heart failure and differences in adherence rates between Māori and non-Māori. METHODS Cross-sectional analysis of interRAI (comprehensive standardised assessment) data in a continuously recruited national cohort from 2012 to 2019. RESULTS Overall, 13,743 assessments (Māori N = 1526) for older community-dwelling adults with heart failure diagnoses were included. The mean age of participants was 74.5 years [standard deviation (SD) 9.1 years] for Māori and 82.3 years (SD 7.8 years) non-Māori. In the Māori cohort, 21.8% did not adhere fully to their medication regimen, whereas in the non-Māori cohort, this figure was 12.8%. After adjusting for confounders, the Māori cohort were more likely to be medication non-adherent than non-Māori [prevalence ratio 1.53, 95% confidence interval (CI) 1.36-1.73]. CONCLUSIONS There was a significant disparity between Māori and non-Māori concerning medication adherence. Given the international use of the interRAI-HC assessment tool, these results have significant transferability to other countries and allow the identification of underserved ethnic groups for which culturally appropriate interventions can be targeted.
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Affiliation(s)
- Joanna Hikaka
- Facility of Medicine and Health Sciences, University of Auckland, Auckland, New Zealand
| | | | - Brendon McIntosh
- Department of Medicine, University of Otago, Christchurch, New Zealand
- Kia Kaha Chemists, Christchurch, New Zealand
| | - Philip J Schluter
- Te Kaupeka Oranga/Faculty of Health, Te Whare Wānanga o Waitaha/University of Christchurch, Christchurch, 8041, New Zealand
- Primary Care Clinical Unit, School of Clinical Medicine, The University of Queensland, Brisbane, Australia
| | - Prasad S Nishtala
- Department of Life Sciences, Centre for Therapeutic Innovation, University of Bath, Bath, United Kingdom
| | - Richard Scrase
- Department of Medicine, University of Otago, Burwood Campus, PO box, 4345, Christchurch, New Zealand
| | - Hamish A Jamieson
- Department of Medicine, University of Otago, Burwood Campus, PO box, 4345, Christchurch, New Zealand.
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Kumar SS, Bouwer GT, Jackson MK, Perkinson MR, McDonald FJ, Brown CH, Augustine RA. Kisspeptin neuron projections to oxytocin neurons are not necessary for parturition in the mouse. Brain Struct Funct 2023; 228:1535-1548. [PMID: 37389617 PMCID: PMC10335956 DOI: 10.1007/s00429-023-02670-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 06/13/2023] [Indexed: 07/01/2023]
Abstract
Oxytocin is synthesized by hypothalamic supraoptic nucleus (SON) and paraventricular nucleus (PVN) neurons and is released from the posterior pituitary gland to trigger uterine contractions during parturition. In rats, oxytocin neuron innervation by periventricular nucleus (PeN) kisspeptin neurons increases over pregnancy and intra-SON kisspeptin administration excites oxytocin neurons only in late pregnancy. To test the hypothesis that kisspeptin neurons excite oxytocin neurons to trigger uterine contractions during birth in C57/B6J mice, double-label immunohistochemistry for kisspeptin and oxytocin first confirmed that kisspeptin neurons project to the SON and PVN. Furthermore, kisspeptin fibers expressed synaptophysin and formed close appositions with oxytocin neurons in the mouse SON and PVN before and during pregnancy. Stereotaxic viral delivery of caspase-3 into the AVPV/PeN of Kiss-Cre mice before mating reduced kisspeptin expression in the AVPV, PeN, SON and PVN by > 90% but did not affect the duration of pregnancy or the timing of delivery of each pup during parturition. Therefore, it appears that AVPV/PeN kisspeptin neuron projections to oxytocin neurons are not necessary for parturition in the mouse.
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Affiliation(s)
- Shalini S Kumar
- Brain Health Research Centre, University of Otago, Dunedin, New Zealand
- Centre for Neuroendocrinology, University of Otago, Dunedin, New Zealand
- Department of Physiology, School of Biomedical Sciences, University of Otago, PO Box 56, Dunedin, 9054, New Zealand
| | - Gregory T Bouwer
- Brain Health Research Centre, University of Otago, Dunedin, New Zealand
- Centre for Neuroendocrinology, University of Otago, Dunedin, New Zealand
- Department of Physiology, School of Biomedical Sciences, University of Otago, PO Box 56, Dunedin, 9054, New Zealand
| | - Meliame K Jackson
- Brain Health Research Centre, University of Otago, Dunedin, New Zealand
- Centre for Neuroendocrinology, University of Otago, Dunedin, New Zealand
- Department of Physiology, School of Biomedical Sciences, University of Otago, PO Box 56, Dunedin, 9054, New Zealand
| | - Michael R Perkinson
- Brain Health Research Centre, University of Otago, Dunedin, New Zealand
- Centre for Neuroendocrinology, University of Otago, Dunedin, New Zealand
- Department of Physiology, School of Biomedical Sciences, University of Otago, PO Box 56, Dunedin, 9054, New Zealand
| | - Fiona J McDonald
- Department of Physiology, School of Biomedical Sciences, University of Otago, PO Box 56, Dunedin, 9054, New Zealand
| | - Colin H Brown
- Brain Health Research Centre, University of Otago, Dunedin, New Zealand
- Centre for Neuroendocrinology, University of Otago, Dunedin, New Zealand
- Department of Physiology, School of Biomedical Sciences, University of Otago, PO Box 56, Dunedin, 9054, New Zealand
| | - Rachael A Augustine
- Brain Health Research Centre, University of Otago, Dunedin, New Zealand.
- Centre for Neuroendocrinology, University of Otago, Dunedin, New Zealand.
- Department of Physiology, School of Biomedical Sciences, University of Otago, PO Box 56, Dunedin, 9054, New Zealand.
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Whitman ET, Knodt AR, Elliott ML, Abraham WC, Cheyne K, Hogan S, Ireland D, Keenan R, Leung JH, Melzer TR, Poulton R, Purdy SC, Ramrakha S, Thorne PR, Caspi A, Moffitt TE, Hariri AR. Functional topography of the neocortex predicts covariation in complex cognitive and basic motor abilities. Cereb Cortex 2023; 33:8218-8231. [PMID: 37015900 PMCID: PMC10321095 DOI: 10.1093/cercor/bhad109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 03/06/2023] [Accepted: 03/07/2023] [Indexed: 04/06/2023] Open
Abstract
Although higher-order cognitive and lower-order sensorimotor abilities are generally regarded as distinct and studied separately, there is evidence that they not only covary but also that this covariation increases across the lifespan. This pattern has been leveraged in clinical settings where a simple assessment of sensory or motor ability (e.g. hearing, gait speed) can forecast age-related cognitive decline and risk for dementia. However, the brain mechanisms underlying cognitive, sensory, and motor covariation are largely unknown. Here, we examined whether such covariation in midlife reflects variability in common versus distinct neocortical networks using individualized maps of functional topography derived from BOLD fMRI data collected in 769 45-year-old members of a population-representative cohort. Analyses revealed that variability in basic motor but not hearing ability reflected individual differences in the functional topography of neocortical networks typically supporting cognitive ability. These patterns suggest that covariation in motor and cognitive abilities in midlife reflects convergence of function in higher-order neocortical networks and that gait speed may not be simply a measure of physical function but rather an integrative index of nervous system health.
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Affiliation(s)
- Ethan T Whitman
- Department of Psychology and Neuroscience, Duke University, Durham, NC 27710, USA
| | - Annchen R Knodt
- Department of Psychology and Neuroscience, Duke University, Durham, NC 27710, USA
| | - Maxwell L Elliott
- Department of Psychology, Center for Brain Science, Harvard University, Cambridge, MA 02138, USA
| | | | - Kirsten Cheyne
- Dunedin Multidisciplinary Health and Development Research Unit, Department of Psychology, University of Otago, Dunedin 9016, New Zealand
| | - Sean Hogan
- Dunedin Multidisciplinary Health and Development Research Unit, Department of Psychology, University of Otago, Dunedin 9016, New Zealand
| | - David Ireland
- Dunedin Multidisciplinary Health and Development Research Unit, Department of Psychology, University of Otago, Dunedin 9016, New Zealand
| | - Ross Keenan
- Brain Research New Zealand-Rangahau Roro Aotearoa, Centre of Research Excellence, Universities of Auckland and Otago, Auckland 1010, New Zealand
- Christchurch Radiology Group, Christchurch 8014, New Zealand
| | - Joan H Leung
- School of Psychology, University of Auckland, Auckland 1142, New Zealand
- Eisdell Moore Centre, University of Auckland, Auckland 1142, New Zealand
| | - Tracy R Melzer
- Brain Research New Zealand-Rangahau Roro Aotearoa, Centre of Research Excellence, Universities of Auckland and Otago, Auckland 1010, New Zealand
- Department of Medicine, University of Otago, Christchurch 9016, New Zealand
| | - Richie Poulton
- Dunedin Multidisciplinary Health and Development Research Unit, Department of Psychology, University of Otago, Dunedin 9016, New Zealand
| | - Suzanne C Purdy
- Brain Research New Zealand-Rangahau Roro Aotearoa, Centre of Research Excellence, Universities of Auckland and Otago, Auckland 1010, New Zealand
- School of Psychology, University of Auckland, Auckland 1142, New Zealand
- Eisdell Moore Centre, University of Auckland, Auckland 1142, New Zealand
| | - Sandhya Ramrakha
- Dunedin Multidisciplinary Health and Development Research Unit, Department of Psychology, University of Otago, Dunedin 9016, New Zealand
| | - Peter R Thorne
- Brain Research New Zealand-Rangahau Roro Aotearoa, Centre of Research Excellence, Universities of Auckland and Otago, Auckland 1010, New Zealand
- Eisdell Moore Centre, University of Auckland, Auckland 1142, New Zealand
- School of Population Health, University of Auckland, Auckland 1142, New Zealand
| | - Avshalom Caspi
- Department of Psychology and Neuroscience, Duke University, Durham, NC 27710, USA
- Center for Genomic and Computational Biology, Duke University, Durham, NC 27710, USA
- King’s College London, Social, Genetic, and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology, & Neuroscience, London SE5 8AF, UK
- PROMENTA, Department of Psychology, University of Oslo, NO-0316 Oslo, Norway
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC 27710, USA
| | - Terrie E Moffitt
- Department of Psychology and Neuroscience, Duke University, Durham, NC 27710, USA
- Center for Genomic and Computational Biology, Duke University, Durham, NC 27710, USA
- King’s College London, Social, Genetic, and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology, & Neuroscience, London SE5 8AF, UK
- PROMENTA, Department of Psychology, University of Oslo, NO-0316 Oslo, Norway
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC 27710, USA
| | - Ahmad R Hariri
- Department of Psychology and Neuroscience, Duke University, Durham, NC 27710, USA
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10
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Henderson A, Cheng MP, Chew KL, Coombs GW, Davis JS, Grant JM, Gregson D, Giulieri SG, Howden BP, Lee TC, Nguyen V, Mora JM, Morpeth SC, Robinson JO, Tong SYC, Van Hal SJ. A multi-site, international laboratory study to assess the performance of penicillin susceptibility testing of Staphylococcus aureus. J Antimicrob Chemother 2023; 78:1499-1504. [PMID: 37071589 PMCID: PMC10232234 DOI: 10.1093/jac/dkad116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 03/29/2023] [Indexed: 04/19/2023] Open
Abstract
OBJECTIVES There is clinical uncertainty over the optimal treatment for penicillin-susceptible Staphylococcus aureus (PSSA) infections. Furthermore, there is concern that phenotypic penicillin susceptibility testing methods are not reliably able to detect some blaZ-positive S. aureus. METHODS Nine S. aureus isolates, including six genetically diverse strains harbouring blaZ, were sent in triplicate to 34 participating laboratories from Australia (n = 14), New Zealand (n = 6), Canada (n = 12), Singapore (n = 1) and Israel (n = 1). We used blaZ PCR as the gold standard to assess susceptibility testing performance of CLSI (P10 disc) and EUCAST (P1 disc) methods. Very major errors (VMEs), major error (MEs) and categorical agreement were calculated. RESULTS Twenty-two laboratories reported 593 results according to CLSI methodology (P10 disc). Nineteen laboratories reported 513 results according to the EUCAST (P1 disc) method. For CLSI laboratories, the categorical agreement and calculated VME and ME rates were 85% (508/593), 21% (84/396) and 1.5% (3/198), respectively. For EUCAST laboratories, the categorical agreement and calculated VME and ME rates were 93% (475/513), 11% (84/396) and 1% (3/198), respectively. Seven laboratories reported results for both methods, with VME rates of 24% for CLSI and 12% for EUCAST. CONCLUSIONS The EUCAST method with a P1 disc resulted in a lower VME rate compared with the CLSI methods with a P10 disc. These results should be considered in the context that among collections of PSSA isolates, as determined by automated MIC testing, less than 10% harbour blaZ. Furthermore, the clinical relevance of phenotypically susceptible, but blaZ-positive S. aureus, remains unclear.
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Affiliation(s)
- Andrew Henderson
- Infection Management Services, Princess Alexandra Hospital, Brisbane, Australia
| | - Matthew P Cheng
- Department of Medicine, and Laboratory Medicine, McGill University Health Centre, Montreal, Canada
| | - Ka Lip Chew
- Department of Laboratory Medicine, National University Hospital, Singapore, Singapore
| | - Geoffrey W Coombs
- Department of Antimicrobial Resistance, and Infectious Diseases Research Laboratory, Murdoch University, Murdoch, Australia
| | - Joshua S Davis
- Hunter Medical Research Institute, University of Newcastle, Newcastle, Australia
- Department of Infectious Diseases, John Hunter Hospital, Newcastle, Australia
| | - Jennifer M Grant
- Department of Medicine, Vancouver Coastal Health, Vancouver, Canada
- Department of Medicine, University of British Columbia, Vancouver, Canada
| | - Dan Gregson
- Department of Pathology, Laboratory Medicine, and Medicine, Cummings School of Medicine at The University of Calgary, Calgary, Canada
| | - Stefano G Giulieri
- Department of Microbiology, and Immunology, The University of Melbourne, Melbourne, Australia
- Victorian Infectious Diseases Services, The Royal Melbourne Hospital, Melbourne, Australia
| | - Benjamin P Howden
- Microbiological Diagnostic Unit Public Health Laboratory, The Peter Doherty Institute for Infection and Immunity, Melbourne, Australia
- Department of Infectious Diseases, Austin Hospital, Heidelberg, Australia
| | - Todd C Lee
- Department of Medicine, McGill University, Montreal, Canada
| | - Vi Nguyen
- Department of Infectious Diseases, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, Australia
| | - Jocelyn M Mora
- Department of Infectious Diseases, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, Australia
| | - Susan C Morpeth
- Microbiology Laboratory, Middlemore Hospital (Counties Manukau Te Whatu Ora), Otahuhu, New Zealand
- Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - James O Robinson
- Department of Infectious Diseases, Royal Perth Hospital, Perth, Australia
- Department of Infectious Diseases, Fiona Stanley Hospital, Murdoch, Australia
| | - Steven Y C Tong
- Department of Infectious Diseases, The University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, Australia
- Victorian Infectious Diseases Services, The Royal Melbourne Hospital, Melbourne, Australia
| | - Sebastiaan J Van Hal
- Department of Microbiology, and Infectious Diseases, Royal Prince Alfred Hospital, Missenden Road, Camperdown, NSW 2050, Sydney, Australia
- School of Medicine, The University of Sydney, Sydney, Australia
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11
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Lawrenson R, Lao C, Stanley J, Campbell I, Krebs J, Meredith I, Koea J, Teng A, Sika-Paotonu D, Stairmand J, Gurney J. Impact of diabetes on surgery and radiotherapy for breast cancer. Breast Cancer Res Treat 2023; 199:305-314. [PMID: 36997750 PMCID: PMC10175479 DOI: 10.1007/s10549-023-06915-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 03/13/2023] [Indexed: 04/01/2023]
Abstract
PURPOSES This study aims to examine whether diabetes has an impact on the use of surgery and adjuvant radiotherapy in treating women with localised breast cancer. METHODS Women diagnosed with stage I-III breast cancer between 2005 and 2020 were identified from Te Rēhita Mate Ūtaetae-Breast Cancer Foundation New Zealand National Register, with diabetes status determined using New Zealand's Virtual Diabetes Register. The cancer treatments examined included breast conserving surgery (BCS), mastectomy, breast reconstruction after mastectomy, and adjuvant radiotherapy after BCS. Logistic regression modelling was used to estimate the adjusted odds ratio (OR) and 95% confidence interval (95% CI) of having cancer treatment and treatment delay (> 31 days) for patients with diabetes at the time of cancer diagnosis compared to patients without diabetes. RESULTS We identified 25,557 women diagnosed with stage I-III breast cancer in 2005-2020, including 2906 (11.4%) with diabetes. After adjustment for other factors, there was no significant difference overall in risk of women with diabetes having no surgery (OR 1.12, 95% CI 0.94-1.33), although for patients with stage I disease not having surgery was more likely (OR 1.45, 95% CI 1.05-2.00) in the diabetes group. Patients with diabetes were more likely to have their surgery delayed (adjusted OR of 1.16, 95% CI 1.05-1.27) and less likely to have reconstruction after mastectomy compared to the non-diabetes group-adjusted OR 0.54 (95% CI 0.35-0.84) for stage I cancer, 0.50 (95% CI 0.34-0.75) for stage II and 0.48 (95% CI 0.24-1.00) for stage III cancer. CONCLUSIONS Diabetes is associated with a lower likelihood of receiving surgery and a greater delay to surgery. Women with diabetes are also less likely to have breast reconstruction after mastectomy. These differences need to be taken in to account when considering factors that may impact on the outcomes of women with diabetes especially for Māori, Pacific and Asian women.
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Affiliation(s)
- Ross Lawrenson
- Medical Research Centre, The University of Waikato, Hamilton, New Zealand.
- Strategy and Funding, Waikato Hospital, Hamilton, New Zealand.
| | - Chunhuan Lao
- Medical Research Centre, The University of Waikato, Hamilton, New Zealand
| | - James Stanley
- Department of Public Health, University of Otago, Wellington, New Zealand
| | - Ian Campbell
- School of Medicine, The University of Auckland, Auckland, New Zealand
- General Surgery, Waikato Hospital, Hamilton, New Zealand
| | - Jeremy Krebs
- Department of Medicine, University of Otago, Wellington, New Zealand
| | - Ineke Meredith
- General Surgery, Wakefield Hospital, Wellington, New Zealand
| | - Jonathan Koea
- General Surgery, Waitakere Hospital, Auckland, New Zealand
- Medical Surgery, The University of Auckland, Auckland, New Zealand
| | - Andrea Teng
- Department of Public Health, University of Otago, Wellington, New Zealand
| | - Dianne Sika-Paotonu
- Department of Pathology & Molecular Medicine, University of Otago, Wellington, New Zealand
| | - Jeannine Stairmand
- Department of Public Health, University of Otago, Wellington, New Zealand
| | - Jason Gurney
- Department of Public Health, University of Otago, Wellington, New Zealand
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12
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Maddison R, Hargreaves EA, Jiang Y, Calder AJ, Wyke S, Gray CM, Hunt K, Lubans DR, Eyles H, Draper N, Heke I, Kara S, Sundborn G, Arandjus C, Gao L, Lee P, Lim M, Marsh S. Rugby Fans in Training New Zealand (RUFIT NZ): a randomized controlled trial to assess the effectiveness of a healthy lifestyle program for overweight men delivered through professional rugby clubs. Int J Behav Nutr Phys Act 2023; 20:37. [PMID: 36978139 PMCID: PMC10043512 DOI: 10.1186/s12966-022-01395-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 12/03/2022] [Indexed: 03/30/2023] Open
Abstract
BACKGROUND A healthy lifestyle program that appeals to, and supports, overweight and obese New Zealand (NZ) European, Māori (indigenous) and Pasifika men to achieve weight loss is urgently needed. A pilot program inspired by the successful Football Fans in Training program but delivered via professional rugby clubs in NZ (n = 96) was shown to be effective in weight loss, adherence to healthy lifestyle behaviors, and cardiorespiratory fitness in overweight and obese men. A full effectiveness trial is now needed. AIMS To determine the effectiveness and cost effectiveness of Rugby Fans In Training-NZ (RUFIT-NZ) on weight loss, fitness, blood pressure, lifestyle change, and health related quality of life (HRQoL) at 12- and 52-weeks. METHODS We conducted a pragmatic, two-arm, multi-center, randomized controlled trial in NZ with 378 (target 308) overweight and obese men aged 30-65 years, randomized to an intervention group or wait-list control group. The 12-week RUFIT-NZ program was a gender-sensitised, healthy lifestyle intervention delivered through professional rugby clubs. Each intervention session included: i) a 1-h workshop-based education component focused on nutrition, physical activity, sleep, sedentary behavior, and learning evidence-based behavior change strategies for sustaining a healthier lifestyle; and 2) a 1-h group-based, but individually tailored, exercise training session. The control group were offered RUFIT-NZ after 52-weeks. The primary outcome was change in body weight from baseline to 52-weeks. Secondary outcomes included change in body weight at 12-weeks, waist circumference, blood pressure, fitness (cardiorespiratory and musculoskeletal), lifestyle behaviors (leisure-time physical activity, sleep, smoking status, and alcohol and dietary quality), and health-related quality of life at 12- and 52-weeks. RESULTS Our final analysis included 200 participants (intervention n = 103; control n = 97) who were able to complete the RUFIT-NZ intervention prior to COVID-19 restrictions. At 52-weeks, the adjusted mean group difference in weight change (primary outcome) was -2.77 kg (95% CI -4.92 to -0.61), which favored the intervention group. The intervention also resulted in favorable significant differences in weight change and fruit and vegetable consumption at 12-weeks; and waist circumference, fitness outcomes, physical activity levels, and health-related quality of life at both 12 and 52 weeks. No significant intervention effects were observed for blood pressure, or sleep. Incremental cost-effective ratios estimated were $259 per kg lost, or $40,269 per quality adjusted life year (QALY) gained. CONCLUSION RUFIT-NZ resulted in sustained positive changes in weight, waist circumference, physical fitness, self-reported physical activity, selected dietary outcomes, and health-related quality of life in overweight/obese men. As such, the program should be recommended for sustained delivery beyond this trial, involving other rugby clubs across NZ. TRIAL REGISTRATION Australia New Zealand Clinical Trials Registry, ACTRN12619000069156. Registered 18 January 2019, https://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=376740 Universal Trial Number, U1111-1245-0645.
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Affiliation(s)
- Ralph Maddison
- National Institute for Health Innovation, University of Auckland, Auckland, New Zealand.
- Institute for Physical Activity and Nutrition, Deakin University, Geelong, Australia.
| | - Elaine Anne Hargreaves
- School of Physical Education, Sport & Exercise Sciences, University of Otago, Dunedin, New Zealand
| | - Yannan Jiang
- National Institute for Health Innovation, University of Auckland, Auckland, New Zealand
- Department of Statistics, Faculty of Science, University of Auckland, Auckland, New Zealand
| | - Amanda Jane Calder
- National Institute for Health Innovation, University of Auckland, Auckland, New Zealand
| | - Sally Wyke
- Institute of Health and Wellbeing, College of Social Sciences, University of Glasgow, Glasgow, Scotland
| | - Cindy M Gray
- Institute of Health and Wellbeing, College of Social Sciences, University of Glasgow, Glasgow, Scotland
| | - Kate Hunt
- Institute for Social Marketing and Health, Faculty of Health and Sports Sciences, University of Stirling, Stirling, Scotland
| | - David Revalds Lubans
- School of Education, Centre for Active Living and Learning, University of Newcastle, Hunter Medical Research Institute, Newcastle, Australia
| | - Helen Eyles
- Department of Epidemiology and Biostatistics, National Institute for Health Innovation, University of Auckland, Auckland, New Zealand
| | - Nick Draper
- Faculty of Health, SHARRC, University of Canterbury, Christchurch, New Zealand
| | | | - Stephen Kara
- Axis Sport Medicine Clinic, Auckland, New Zealand
| | - Gerhard Sundborn
- Department of Pacific Health, University of Auckland, Auckland, New Zealand
| | - Claire Arandjus
- National Institute for Health Innovation, University of Auckland, Auckland, New Zealand
| | - Lan Gao
- Deakin Health Economics, Institute for Health Transformation, School of Health and Social Development, Faculty of Health, Deakin University, Geelong, Australia
| | - Peter Lee
- Deakin Health Economics, Institute for Health Transformation, School of Health and Social Development, Faculty of Health, Deakin University, Geelong, Australia
| | - Megumi Lim
- Deakin Health Economics, Institute for Health Transformation, School of Health and Social Development, Faculty of Health, Deakin University, Geelong, Australia
| | - Samantha Marsh
- National Institute for Health Innovation, University of Auckland, Auckland, New Zealand
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13
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Lay-Yee R, Matthews T, Moffitt T, Poulton R, Caspi A, Milne B. Are trajectories of social isolation from childhood to mid-adulthood associated with adult depression or suicide outcomes. Soc Psychiatry Psychiatr Epidemiol 2023; 58:373-382. [PMID: 36456781 PMCID: PMC9715405 DOI: 10.1007/s00127-022-02389-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 11/14/2022] [Indexed: 12/05/2022]
Abstract
PURPOSE Social isolation has been shown to have negative effects on mental health outcomes though little is known about trajectories across the life course. We examined the relationship between trajectory groups and selected mental health outcomes in mid-adulthood. METHODS We previously created a typology of social isolation based on onset during the life course and persistence into adulthood, using group-based trajectory analysis of longitudinal data from a New Zealand birth cohort. The typology comprises four groups: 'never-isolated', 'adult-only', 'child-only', and 'persistent (child-adult) isolation'. We undertook logistic regression analyses of three mental health outcomes with trajectory group as the predictor, adjusting for sex and a range of familial and child-behavioural factors. RESULTS Lifetime suicide attempt, and depression and suicide ideation in mid-adulthood were each associated with adult-only but not child-only social isolation. Depression in mid-adulthood was also associated with persistent child-adult social isolation. CONCLUSION Although our findings are associational and not causal, they indicate that interrupting persistent social isolation may help to prevent adult depression whereas halting adult social isolation may ameliorate both depression and suicide outcomes.
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Affiliation(s)
- Roy Lay-Yee
- Centre of Methods and Policy Application in the Social Sciences, School of Social Sciences, Faculty of Arts, University of Auckland, Auckland, New Zealand.
| | - Timothy Matthews
- Department of Social Genetic and Developmental Psychiatry, Institute of Psychiatry, King's College London, London, UK
| | - Terrie Moffitt
- Department of Psychology and Neuroscience, Duke University, Durham, NC, USA
| | - Richie Poulton
- Department of Psychology, University of Otago, Dunedin, New Zealand
| | - Avshalom Caspi
- Department of Psychology and Neuroscience, Duke University, Durham, NC, USA
| | - Barry Milne
- Centre of Methods and Policy Application in the Social Sciences, School of Social Sciences, Faculty of Arts, University of Auckland, Auckland, New Zealand
- Department of Statistics, Faculty of Science, University of Auckland, Auckland, New Zealand
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14
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Blommer J, Pitcher T, Mustapic M, Eren E, Yao PJ, Vreones MP, Pucha KA, Dalrymple-Alford J, Shoorangiz R, Meissner WG, Anderson T, Kapogiannis D. Extracellular vesicle biomarkers for cognitive impairment in Parkinson's disease. Brain 2023; 146:195-208. [PMID: 35833836 PMCID: PMC10060702 DOI: 10.1093/brain/awac258] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 01/24/2022] [Accepted: 06/22/2022] [Indexed: 01/11/2023] Open
Abstract
Besides motor symptoms, many individuals with Parkinson's disease develop cognitive impairment perhaps due to coexisting α-synuclein and Alzheimer's disease pathologies and impaired brain insulin signalling. Discovering biomarkers for cognitive impairment in Parkinson's disease could help clarify the underlying pathogenic processes and improve Parkinson's disease diagnosis and prognosis. This study used plasma samples from 273 participants: 103 Parkinson's disease individuals with normal cognition, 121 Parkinson's disease individuals with cognitive impairment (81 with mild cognitive impairment, 40 with dementia) and 49 age- and sex-matched controls. Plasma extracellular vesicles enriched for neuronal origin were immunocaptured by targeting the L1 cell adhesion molecule, then biomarkers were quantified using immunoassays. α-Synuclein was lower in Parkinson's disease compared to control individuals (P = 0.004) and in cognitively impaired Parkinson's disease individuals compared to Parkinson's disease with normal cognition (P < 0.001) and control (P < 0.001) individuals. Amyloid-β42 did not differ between groups. Phosphorylated tau (T181) was higher in Parkinson's disease than control individuals (P = 0.003) and in cognitively impaired compared to cognitively normal Parkinson's disease individuals (P < 0.001) and controls (P < 0.001). Total tau was not different between groups. Tyrosine-phosphorylated insulin receptor substrate-1 was lower in Parkinson's disease compared to control individuals (P = 0.03) and in cognitively impaired compared to cognitively normal Parkinson's disease individuals (P = 0.02) and controls (P = 0.01), and also decreased with increasing motor symptom severity (P = 0.005); serine312-phosphorylated insulin receptor substrate-1 was not different between groups. Mechanistic target of rapamycin was not different between groups, whereas phosphorylated mechanistic target of rapamycin trended lower in cognitively impaired compared to cognitively normal Parkinson's disease individuals (P = 0.05). The ratio of α-synuclein to phosphorylated tau181 was lower in Parkinson's disease compared to controls (P = 0.001), in cognitively impaired compared to cognitively normal Parkinson's disease individuals (P < 0.001) and decreased with increasing motor symptom severity (P < 0.001). The ratio of insulin receptor substrate-1 phosphorylated serine312 to insulin receptor substrate-1 phosphorylated tyrosine was higher in Parkinson's disease compared to control individuals (P = 0.01), in cognitively impaired compared to cognitively normal Parkinson's disease individuals (P = 0.02) and increased with increasing motor symptom severity (P = 0.003). α-Synuclein, phosphorylated tau181 and insulin receptor substrate-1 phosphorylated tyrosine contributed in diagnostic classification between groups. These findings suggest that both α-synuclein and tau pathologies and impaired insulin signalling underlie Parkinson's disease with cognitive impairment. Plasma neuronal extracellular vesicles biomarkers may inform cognitive prognosis in Parkinson's disease.
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Affiliation(s)
- Joseph Blommer
- National Institute on Aging, Intramural Research Program, Laboratory of Clinical Investigation, Baltimore, MD 21224, USA
| | - Toni Pitcher
- New Zealand Brain Research Institute, Christchurch 8011, New Zealand
- Department of Medicine, University of Otago, Christchurch 8011, New Zealand
| | - Maja Mustapic
- National Institute on Aging, Intramural Research Program, Laboratory of Clinical Investigation, Baltimore, MD 21224, USA
| | - Erden Eren
- National Institute on Aging, Intramural Research Program, Laboratory of Clinical Investigation, Baltimore, MD 21224, USA
| | - Pamela J Yao
- National Institute on Aging, Intramural Research Program, Laboratory of Clinical Investigation, Baltimore, MD 21224, USA
| | - Michael P Vreones
- National Institute on Aging, Intramural Research Program, Laboratory of Clinical Investigation, Baltimore, MD 21224, USA
| | - Krishna A Pucha
- National Institute on Aging, Intramural Research Program, Laboratory of Clinical Investigation, Baltimore, MD 21224, USA
| | - John Dalrymple-Alford
- New Zealand Brain Research Institute, Christchurch 8011, New Zealand
- School of Psychology, Speech and Hearing, University of Canterbury, Christchurch 8041, New Zealand
| | - Reza Shoorangiz
- New Zealand Brain Research Institute, Christchurch 8011, New Zealand
| | - Wassilios G Meissner
- New Zealand Brain Research Institute, Christchurch 8011, New Zealand
- University of Bordeaux, CNRS, IMN, UMR 5293, F-33000 Bordeaux, France
- Service de Neurologie—Maladies Neurodégénératives, CHU Bordeaux, F-33000 Bordeaux, France
| | - Tim Anderson
- New Zealand Brain Research Institute, Christchurch 8011, New Zealand
- Department of Medicine, University of Otago, Christchurch 8011, New Zealand
| | - Dimitrios Kapogiannis
- National Institute on Aging, Intramural Research Program, Laboratory of Clinical Investigation, Baltimore, MD 21224, USA
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15
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Liu X, Porteous R, Herbison AE. Robust GABAergic Regulation of the GnRH Neuron Distal Dendron. Endocrinology 2022; 164:6862923. [PMID: 36458869 PMCID: PMC9749702 DOI: 10.1210/endocr/bqac194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 11/16/2022] [Accepted: 11/18/2022] [Indexed: 12/04/2022]
Abstract
The amino acid transmitter γ-aminobutyric acid (GABA) is suspected to play an important role in regulating the activity of the gonadotropin-releasing hormone (GnRH) neurons controlling fertility. Rodent GnRH neurons have a novel dendritic compartment termed the "distal dendron" through which action potentials pass to the axon terminals and where inputs from the kisspeptin pulse generator drive pulsatile GnRH secretion. Combining Gnrh1-Cre mice with the Cre-dependent calcium sensor GCaMP6 and confocal imaging of acute brain slices, we examined whether GABA regulated intracellular calcium concentrations ([Ca2+]) in the GnRH neuron distal dendron. Short puffs of GABA on the dendron evoked either a monophasic sustained suppression of [Ca2+] or a biphasic acute elevation in [Ca2+] followed by the sustained suppression. Application of muscimol to the dendron replicated the acute elevation in [Ca2+] while baclofen generated the sustained suppression. Robust GABAB receptor-mediated inhibition was observed in 80% to 100% of dendrons recorded from females across the estrous cycle and from approximately 70% of dendrons in males. In contrast, the GABAA receptor-mediated excitation was rare in males and varied across the estrous cycle, being most prominent at proestrus. The activation of GABAB receptors potently suppressed the stimulatory effect of kisspeptin on the dendron. These observations demonstrate that the great majority of GnRH neuron distal dendrons are regulated by GABAergic inputs in a sex- and estrous cycle-dependent manner, with robust GABAB receptor-mediated inhibition being the primary mode of signaling. This provides a new, kisspeptin-independent, pathway for the regulation of pulsatile and surge modes of GnRH secretion in the rodent.
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Affiliation(s)
- Xinhuai Liu
- Centre for Neuroendocrinology and Department of Physiology, University of Otago School of Biomedical Sciences, Dunedin 9054, New Zealand
| | - Robert Porteous
- Centre for Neuroendocrinology and Department of Physiology, University of Otago School of Biomedical Sciences, Dunedin 9054, New Zealand
| | - Allan E Herbison
- Correspondence: Allan E. Herbison, PhD, Department of Physiology, Development and Neuroscience, Downing Site, University of Cambridge, Cambridge CB2 3EG, UK.
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Crowther CA, Samuel D, Hughes R, Tran T, Brown J, Alsweiler JM. Tighter or less tight glycaemic targets for women with gestational diabetes mellitus for reducing maternal and perinatal morbidity: A stepped-wedge, cluster-randomised trial. PLoS Med 2022; 19:e1004087. [PMID: 36074760 PMCID: PMC9455881 DOI: 10.1371/journal.pmed.1004087] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 08/04/2022] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Treatment for gestational diabetes mellitus (GDM) aims to reduce maternal hyperglycaemia. The TARGET Trial assessed whether tighter compared with less tight glycaemic control reduced maternal and perinatal morbidity. METHODS AND FINDINGS In this stepped-wedge, cluster-randomised trial, identification number ACTRN12615000282583, 10 hospitals in New Zealand were randomised to 1 of 5 implementation dates. The trial was registered before the first participant was enrolled. All hospitals initially used less tight targets (fasting plasma glucose (FPG) <5.5 mmol/L (<99 mg/dL), 1-hour <8.0 mmol/L (<144 mg/dL), 2 hour postprandial <7.0 mmol/L (<126 mg/dL)) and every 4 months, 2 hospitals moved to use tighter targets (FPG ≤5.0 mmol/L (≤90 mg/dL), 1-hour ≤7.4 mmol/L (≤133 mg/dL), 2 hour postprandial ≤6.7 mmol/L) (≤121 mg/dL). Women with GDM, blinded to the targets in use, were eligible. The primary outcome was large for gestational age. Secondary outcomes assessed maternal and infant health. Analyses were by intention to treat. Between May 2015 and November 2017, data were collected from 1,100 women with GDM (1,108 infants); 598 women (602 infants) used the tighter targets and 502 women (506 infants) used the less tight targets. The rate of large for gestational age was similar between the treatment target groups (88/599, 14.7% versus 76/502, 15.1%; adjusted relative risk [adjRR] 0.96, 95% confidence interval [CI] 0.66 to 1.40, P = 0.839). The composite serious health outcome for the infant of perinatal death, birth trauma, or shoulder dystocia was apparently reduced in the tighter group when adjusted for gestational age at diagnosis of GDM, BMI, ethnicity, and history of GDM compared with the less tight group (8/599, 1.3% versus 13/505, 2.6%, adjRR 0.23, 95% CI 0.06 to 0.88, P = 0.032). No differences were seen for the other infant secondary outcomes apart from a shorter stay in intensive care (P = 0.041). Secondary outcomes for the woman showed an apparent increase for the composite serious health outcome that included major haemorrhage, coagulopathy, embolism, and obstetric complications in the tighter group (35/595, 5.9% versus 15/501, 3.0%, adjRR 2.29, 95% CI 1.14 to 4.59, P = 0.020). There were no differences between the target groups in the risk for pre-eclampsia, induction of labour, or cesarean birth, but more women using tighter targets required pharmacological treatment (404/595, 67.9% versus 293/501, 58.5%, adjRR 1.20, 95% CI 1.00 to 1.44, P = 0.047). The main study limitation is that the treatment targets used may vary to those in use in some countries. CONCLUSIONS Tighter glycaemic targets in women with GDM compared to less tight targets did not reduce the risk of a large for gestational age infant, but did reduce serious infant morbidity, although serious maternal morbidity was increased. These findings can be used to aid decisions on the glycaemic targets women with GDM should use. TRIAL REGISTRATION The Australian New Zealand Clinical Trials Registry (ANZCTR). ACTRN12615000282583.
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Affiliation(s)
| | - Deborah Samuel
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Ruth Hughes
- Department of Obstetrics and Gynaecology, Christchurch Women’s Hospital, University of Otago, Christchurch, New Zealand
| | - Thach Tran
- Osteoporosis and Bone Biology, Garvan Institute of Medical Research, Sydney, Australia
| | - Julie Brown
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Jane M. Alsweiler
- Department of Paediatrics: Child and Youth Health, University of Auckland, Auckland, New Zealand
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17
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Lee P, Kerr AJ, Jiang Y, Zomer E, Liew D. Estimating the economic impact of acute coronary syndrome in New Zealand over time (ANZACS-QI 64): a national registry-based cost burden study. BMJ Open 2022; 12:e056405. [PMID: 35914917 PMCID: PMC9345080 DOI: 10.1136/bmjopen-2021-056405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVES To estimate the changes in costs associated with acute coronary syndrome (ACS) admissions in New Zealand (NZ) public hospitals over a 12-year period. DESIGN A cost-burden study of ACS in NZ was conducted from the NZ healthcare system perspective. SETTING Hospital admission costs were estimated using relevant diagnosis-related groups and their costs for publicly funded casemix hospitalisations, and applied to 190 364 patients with ACS admitted to NZ public hospitals between 2007 and 2018 identified from routine national hospital datasets. Trends in the costs of index ACS hospitalisation, hospital admissions costs, coronary revascularisation and all-cause mortality up to 1 year were evaluated. All costs were presented as 2019 NZ dollars. PRIMARY OUTCOME MEASURES Healthcare costs attributed to ACS admissions in NZ over time. RESULTS Between 2007 and 2018, there was a 42% decrease in costs attributed to ACS (NZ$7.7 million (M) to NZ$4.4 M per 100 000 per year), representing a decrease of NZ$298 827 per 100 000 population per year. Mean admission costs associated with each admission declined from NZ$18 411 in 2007 to NZ$16 898 over this period (p<0.001) after adjustment for key clinical and procedural characteristics. These reductions were against a background of increased use of coronary revascularisation (23.1% (2007) to 38.1% (2018)), declining ACS admissions (366-252 per 100 000 population) and an improvement in 1-year survival post-ACS. Nevertheless, the total ACS cost burden remained considerable at NZ$237 M in 2018. CONCLUSIONS The economic cost of hospitalisations for ACS in NZ decreased considerably over time. Further studies are warranted to explore the association between reductions in ACS cost burden and changes in the management of ACS.
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Affiliation(s)
- Peter Lee
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
- School of Health and Social Development, Deakin University, Melbourne, Victoria, Australia
| | - A J Kerr
- Department of Medicine, The University of Auckland, Auckland, New Zealand
- Department of Cardiology, Middlemore Hospital, Auckland, New Zealand
| | - Yannan Jiang
- Department of Statistics, The University of Auckland, Auckland, New Zealand
- National Institute for Health Innovation, School of Population Health, University of Auckland, Auckland, New Zealand
| | - Ella Zomer
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Danny Liew
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
- Adelaide Medical School, University of Adelaide, Adelaide, South Australia, Australia
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18
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Belsky DW, Caspi A, Corcoran DL, Sugden K, Poulton R, Arseneault L, Baccarelli A, Chamarti K, Gao X, Hannon E, Harrington HL, Houts R, Kothari M, Kwon D, Mill J, Schwartz J, Vokonas P, Wang C, Williams BS, Moffitt TE. DunedinPACE, a DNA methylation biomarker of the pace of aging. eLife 2022; 11:e73420. [PMID: 35029144 PMCID: PMC8853656 DOI: 10.7554/elife.73420] [Citation(s) in RCA: 182] [Impact Index Per Article: 91.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 12/13/2021] [Indexed: 01/09/2023] Open
Abstract
Background Measures to quantify changes in the pace of biological aging in response to intervention are needed to evaluate geroprotective interventions for humans. Previously, we showed that quantification of the pace of biological aging from a DNA-methylation blood test was possible (Belsky et al., 2020). Here, we report a next-generation DNA-methylation biomarker of Pace of Aging, DunedinPACE (for Pace of Aging Calculated from the Epigenome). Methods We used data from the Dunedin Study 1972-1973 birth cohort tracking within-individual decline in 19 indicators of organ-system integrity across four time points spanning two decades to model Pace of Aging. We distilled this two-decade Pace of Aging into a single-time-point DNA-methylation blood-test using elastic-net regression and a DNA-methylation dataset restricted to exclude probes with low test-retest reliability. We evaluated the resulting measure, named DunedinPACE, in five additional datasets. Results DunedinPACE showed high test-retest reliability, was associated with morbidity, disability, and mortality, and indicated faster aging in young adults with childhood adversity. DunedinPACE effect-sizes were similar to GrimAge Clock effect-sizes. In analysis of incident morbidity, disability, and mortality, DunedinPACE and added incremental prediction beyond GrimAge. Conclusions DunedinPACE is a novel blood biomarker of the pace of aging for gerontology and geroscience. Funding This research was supported by US-National Institute on Aging grants AG032282, AG061378, AG066887, and UK Medical Research Council grant MR/P005918/1.
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Affiliation(s)
- Daniel W Belsky
- Department of Epidemiology & Butler Columbia Aging Center, Columbia UniversityNew YorkUnited States
| | - Avshalom Caspi
- Center for Genomic and Computational Biology, Duke UniversityDurhamUnited States
| | - David L Corcoran
- Center for Genomic and Computational Biology, Duke UniversityDurhamUnited States
| | - Karen Sugden
- Department of Psychology and Neuroscience, Duke UniversityDurhamUnited States
| | - Richie Poulton
- Department of Psychology, University of OtagoOtagoNew Zealand
| | - Louise Arseneault
- Social, Genetic, and Developmental Psychiatry Centre, King's College LondonLondonUnited Kingdom
| | - Andrea Baccarelli
- Department of Environmental Health Sciences, Columbia UniversityNew YorkUnited States
| | - Kartik Chamarti
- Department of Psychology and Neuroscience, Duke UniversityDurhamUnited States
| | - Xu Gao
- Department of Occupational and Environmental Health, Peking UniversityBeijingChina
| | - Eilis Hannon
- Complex Disease Epigenetics Group, University of ExeterExeterUnited Kingdom
| | - Hona Lee Harrington
- Department of Psychology and Neuroscience, Duke UniversityDurhamUnited States
| | - Renate Houts
- Department of Psychology and Neuroscience, Duke UniversityDurhamUnited States
| | - Meeraj Kothari
- Robert N Butler Columbia Aging Center, Columbia UniversityBrooklynUnited States
| | - Dayoon Kwon
- Robert N Butler Columbia Aging Center, Columbia UniversityNew YorkUnited States
| | - Jonathan Mill
- Complex Disease Epigenetics Group, University of ExeterExeterUnited Kingdom
| | - Joel Schwartz
- Department of Environmental Health Sciences, Harvard TH Chan School of Public Health, Harvard UniversityBostonUnited States
| | - Pantel Vokonas
- Department of Medicine, VA Boston Healthcare SystemBostonUnited States
| | - Cuicui Wang
- Department of Environmental Health Sciences, Harvard TH Chan School of Public Health, Harvard UniversityBostonUnited States
| | - Benjamin S Williams
- Department of Psychology and Neuroscience, Duke UniversityDurhamUnited States
| | - Terrie E Moffitt
- Department of Psychology and Neuroscience, Duke UniversityDurhamUnited States
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19
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Wilkinson DA, Edwards M, Benschop J, Nisa S. Identification of pathogenic Leptospira species and serovars in New Zealand using metabarcoding. PLoS One 2021; 16:e0257971. [PMID: 34587213 PMCID: PMC8480790 DOI: 10.1371/journal.pone.0257971] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Accepted: 09/14/2021] [Indexed: 11/18/2022] Open
Abstract
Leptospirosis is a zoonotic disease of global importance. The breadth of Leptospira diversity associated with both human and animal disease poses major logistical challenges to the use of classical diagnostic techniques, and increasingly molecular diagnostic tools are used for their detection. In New Zealand, this has resulted in an increase in positive cases reported nationally that have not been attributed to the infecting serovar or genomospecies. In this study, we used data from all pathogenic Leptospira genomes to identify a partial region of the glmU gene as a suitable locus for the discrimination of the infecting species and serovars of New Zealand-endemic Leptospira. This method can be used in culture and culture-independent scenarios making it flexible for diagnostics in humans, animals, and environmental samples. We explored the use of this locus as a molecular barcoding tool via the Oxford Nanopore Technology (ONT) sequencing platform MinION. Sequences obtained by this method allowed specific identification of Leptospira species in mixed and enriched environmental cultures, however read error inherent in the MinION sequencing system reduced the accuracy of strain/variant identification. Using this approach to characterise Leptospira in enriched environmental cultures, we detected the likely presence of Leptospira genomospecies that have not been reported in New Zealand to date. This included a strain of L. borgpetersenii that has recently been identified in dairy cattle and sequences similar to those of L. mayottensis. L. tipperaryensis, L. dzianensis and L. alstonii.
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Affiliation(s)
- David A. Wilkinson
- New Zealand Food Safety, Science & Research Centre, Massey University, Palmerston North, New Zealand
- UMR Processus Infectieux en Milieu Insulaire Tropical (PIMIT) INSERM 1187, CNRS 9192, IRD 249, Université de La Réunion, Sainte-Clotilde, La Réunion, France
- Molecular Epidemiology and Public Health Laboratory, School of Veterinary Sciences, Massey University, Palmerston North, New Zealand
- * E-mail:
| | - Matthew Edwards
- Molecular Epidemiology and Public Health Laboratory, School of Veterinary Sciences, Massey University, Palmerston North, New Zealand
| | - Jackie Benschop
- Molecular Epidemiology and Public Health Laboratory, School of Veterinary Sciences, Massey University, Palmerston North, New Zealand
| | - Shahista Nisa
- Molecular Epidemiology and Public Health Laboratory, School of Veterinary Sciences, Massey University, Palmerston North, New Zealand
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20
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Schunk SJ, Kleber ME, März W, Pang S, Zewinger S, Triem S, Ege P, Reichert MC, Krawczyk M, Weber SN, Jaumann I, Schmit D, Sarakpi T, Wagenpfeil S, Kramann R, Boerwinkle E, Ballantyne CM, Grove ML, Tragante V, Pilbrow AP, Richards AM, Cameron VA, Doughty RN, Dubé MP, Tardif JC, Feroz-Zada Y, Sun M, Liu C, Ko YA, Quyyumi AA, Hartiala JA, Tang WHW, Hazen SL, Allayee H, McDonough CW, Gong Y, Cooper-DeHoff RM, Johnson JA, Scholz M, Teren A, Burkhardt R, Martinsson A, Smith JG, Wallentin L, James SK, Eriksson N, White H, Held C, Waterworth D, Trompet S, Jukema JW, Ford I, Stott DJ, Sattar N, Cresci S, Spertus JA, Campbell H, Tierling S, Walter J, Ampofo E, Niemeyer BA, Lipp P, Schunkert H, Böhm M, Koenig W, Fliser D, Laufs U, Speer T. Genetically determined NLRP3 inflammasome activation associates with systemic inflammation and cardiovascular mortality. Eur Heart J 2021; 42:1742-1756. [PMID: 33748830 PMCID: PMC8244638 DOI: 10.1093/eurheartj/ehab107] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 12/19/2020] [Accepted: 02/09/2021] [Indexed: 12/12/2022] Open
Abstract
AIMS Inflammation plays an important role in cardiovascular disease (CVD) development. The NOD-like receptor protein-3 (NLRP3) inflammasome contributes to the development of atherosclerosis in animal models. Components of the NLRP3 inflammasome pathway such as interleukin-1β can therapeutically be targeted. Associations of genetically determined inflammasome-mediated systemic inflammation with CVD and mortality in humans are unknown. METHODS AND RESULTS We explored the association of genetic NLRP3 variants with prevalent CVD and cardiovascular mortality in 538 167 subjects on the individual participant level in an explorative gene-centric approach without performing multiple testing. Functional relevance of single-nucleotide polymorphisms on NLRP3 inflammasome activation has been evaluated in monocyte-enriched peripheral blood mononuclear cells (PBMCs). Genetic analyses identified the highly prevalent (minor allele frequency 39.9%) intronic NLRP3 variant rs10754555 to affect NLRP3 gene expression. rs10754555 carriers showed significantly higher C-reactive protein and serum amyloid A plasma levels. Carriers of the G allele showed higher NLRP3 inflammasome activation in isolated human PBMCs. In carriers of the rs10754555 variant, the prevalence of coronary artery disease was significantly higher as compared to non-carriers with a significant interaction between rs10754555 and age. Importantly, rs10754555 carriers had significantly higher risk for cardiovascular mortality during follow-up. Inflammasome inducers (e.g. urate, triglycerides, apolipoprotein C3) modulated the association between rs10754555 and mortality. CONCLUSION The NLRP3 intronic variant rs10754555 is associated with increased systemic inflammation, inflammasome activation, prevalent coronary artery disease, and mortality. This study provides evidence for a substantial role of genetically driven systemic inflammation in CVD and highlights the NLRP3 inflammasome as a therapeutic target.
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Affiliation(s)
- Stefan J Schunk
- Department of Internal Medicine IV, Nephrology and Hypertension, Saarland University Hospital, Kirrberger Strasse, Building 41, 66424 Homburg/Saar, Germany
| | - Marcus E Kleber
- Vth Department of Medicine, University Heidelberg, Mannheim Medical Faculty, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
- SYNLAB MVZ Humangenetik Mannheim, Harrlachweg 1, 68163 Mannheim, Germany
| | - Winfried März
- Vth Department of Medicine, University Heidelberg, Mannheim Medical Faculty, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
- Clinical Institute of Medical and Laboratory Diagnostics, Medical University Graz, Auenbruggerpl. 2, 8036 Graz, Austria
- Synlab Academy, Synlab Holding GmbH, Harrlachweg 1, 68163 Mannheim, Germany
| | - Shichao Pang
- Kardiologie, Deutsches Herzzentrum München, Technische Universität München, Lazarettstraße 36, 80636 Munich, Germany
| | - Stephen Zewinger
- Department of Internal Medicine IV, Nephrology and Hypertension, Saarland University Hospital, Kirrberger Strasse, Building 41, 66424 Homburg/Saar, Germany
| | - Sarah Triem
- Department of Internal Medicine IV, Nephrology and Hypertension, Saarland University Hospital, Kirrberger Strasse, Building 41, 66424 Homburg/Saar, Germany
| | - Philipp Ege
- Department of Internal Medicine IV, Nephrology and Hypertension, Saarland University Hospital, Kirrberger Strasse, Building 41, 66424 Homburg/Saar, Germany
| | - Matthias C Reichert
- Department of Medicine II, Saarland University Medical Center, Kirrberger Straße, 66424 Homburg, Germany
| | - Marcin Krawczyk
- Department of Medicine II, Saarland University Medical Center, Kirrberger Straße, 66424 Homburg, Germany
- Laboratory of Metabolic Liver Diseases, Centre for Preclinical Research, Department of General, Transplant and Liver Surgery, Medical University of Warsaw, ul. Banacha 1B, CePT, 02-097 Warsaw, Poland
| | - Susanne N Weber
- Department of Medicine II, Saarland University Medical Center, Kirrberger Straße, 66424 Homburg, Germany
| | - Isabella Jaumann
- Department of Internal Medicine IV, Nephrology and Hypertension, Saarland University Hospital, Kirrberger Strasse, Building 41, 66424 Homburg/Saar, Germany
| | - David Schmit
- Department of Internal Medicine IV, Nephrology and Hypertension, Saarland University Hospital, Kirrberger Strasse, Building 41, 66424 Homburg/Saar, Germany
| | - Tamim Sarakpi
- Department of Internal Medicine IV, Nephrology and Hypertension, Saarland University Hospital, Kirrberger Strasse, Building 41, 66424 Homburg/Saar, Germany
| | - Stefan Wagenpfeil
- Institute of Medical Biometry, Epidemiology & Medical Informatics, Saarland University Campus Homburg/Saar, Kirrberger Straße, 66424 Homburg/Saar, Germany
| | - Rafael Kramann
- Division of Nephrology and Clinical Immunology, RWTH Aachen University, Pauwelsstrasse 30 52074 Aachen, Germany
- Institute of Experimental Medicine and Systems Biology, RWTH, Pauwelsstraße 30, 52074 Aachen, Germany
| | - Eric Boerwinkle
- Human Genetics Center, Department of Epidemiology, Human Genetics, and Environmental Sciences, School of Public Health, The University of Texas Health Science Center at Houston, 1200 Pressler Street, Houston, TX 77030, USA
- Human Genome Sequencing Center, Baylor College of Medicine, BCM226, Houston, TX 77030, USA
| | - Christie M Ballantyne
- Section of Cardiovascular Research, Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
- Center of Cardiovascular Disease Prevention, Methodist DeBakey Heart and Vascular Center, 6565 Fannin St, Houston, TX 77030, USA
| | - Megan L Grove
- Human Genetics Center, Department of Epidemiology, Human Genetics, and Environmental Sciences, School of Public Health, The University of Texas Health Science Center at Houston, 1200 Pressler Street, Houston, TX 77030, USA
| | - Vinicius Tragante
- Department of Cardiology, Heart and Lungs Division, UMC Utrecht, Heidelberglaan 100 3584 CX Utrecht, Netherlands
| | - Anna P Pilbrow
- The Christchurch Heart Institute, University of Otago Christchurch, 2 Riccarton Avenue, Christchurch Central City, Christchurch 8011, New Zealand
| | - A Mark Richards
- The Christchurch Heart Institute, University of Otago Christchurch, 2 Riccarton Avenue, Christchurch Central City, Christchurch 8011, New Zealand
| | - Vicky A Cameron
- The Christchurch Heart Institute, University of Otago Christchurch, 2 Riccarton Avenue, Christchurch Central City, Christchurch 8011, New Zealand
| | - Robert N Doughty
- Heart Health Research Group, University of Auckland, Level 2 / 22-30 Park Ave, Grafton, Auckland, New Zealand
| | - Marie-Pierre Dubé
- Montreal Heart Institute, 5000 Rue Bélanger, Montreal QC H1T 1C8, Canada
- Faculty of Medicine, Université der Montréal, Pavillon Roger-Gaudry, 2900 Edouard Montpetit Blvd, Montreal, Quebec H3T 1J4, Canada
| | - Jean-Claude Tardif
- Montreal Heart Institute, 5000 Rue Bélanger, Montreal QC H1T 1C8, Canada
- Faculty of Medicine, Université der Montréal, Pavillon Roger-Gaudry, 2900 Edouard Montpetit Blvd, Montreal, Quebec H3T 1J4, Canada
| | | | - Maxine Sun
- Faculty of Medicine, Université der Montréal, Pavillon Roger-Gaudry, 2900 Edouard Montpetit Blvd, Montreal, Quebec H3T 1J4, Canada
| | - Chang Liu
- Emory Clinical Cardiovascular Research Institute, Division of Cardiology, Emory University School of Medicine, 1462 Clifton Road NE, Atlanta, GA 30322, USA
| | - Yi-An Ko
- Department of Biostatistics and Bioinformatics, Rollins School of Public Healthy, Emory University, 1518 Clifton Road NE, Atlanta, GA 30322, USA
| | - Arshed A Quyyumi
- Emory Clinical Cardiovascular Research Institute, Division of Cardiology, Emory University School of Medicine, 1462 Clifton Road NE, Atlanta, GA 30322, USA
| | - Jaana A Hartiala
- Department of Preventive Medicine, University of Southern California, Keck School of Medicine, 2001 N. Soto St. Los Angeles, CA 90033, USA
| | - W H Wilson Tang
- Department of Cardiovascular Medicine, Cleveland Clinic, 9500 Euclid Ave, Cleveland, OH 44195, USA
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Ave, NB 21, Cleveland, OH 44195, USA
| | - Stanley L Hazen
- Department of Cardiovascular Medicine, Cleveland Clinic, 9500 Euclid Ave, Cleveland, OH 44195, USA
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Ave, NB 21, Cleveland, OH 44195, USA
| | - Hooman Allayee
- Department of Preventive Medicine, University of Southern California, Keck School of Medicine, 2001 N. Soto St. Los Angeles, CA 90033, USA
| | - Caitrin W McDonough
- Department of Pharmacotherapy and Translational Research, University of Florida, College of Pharmacy, 1225 Center Drive, HPNP Building, Gainesville, FL 32610-0486, USA
| | - Yan Gong
- Department of Pharmacotherapy and Translational Research, University of Florida, College of Pharmacy, 1225 Center Drive, HPNP Building, Gainesville, FL 32610-0486, USA
| | - Rhonda M Cooper-DeHoff
- Department of Pharmacotherapy and Translational Research, University of Florida, College of Pharmacy, 1225 Center Drive, HPNP Building, Gainesville, FL 32610-0486, USA
- Division of Cardiovascular Medicine, Department of Medicine, University of Florida, 1600 SW Archer Rd, Gainesville, FL 32610, USA
| | - Julie A Johnson
- Department of Pharmacotherapy and Translational Research, University of Florida, College of Pharmacy, 1225 Center Drive, HPNP Building, Gainesville, FL 32610-0486, USA
- Division of Cardiovascular Medicine, Department of Medicine, University of Florida, 1600 SW Archer Rd, Gainesville, FL 32610, USA
| | - Markus Scholz
- Institute for Medical Informatics, Statistics and Epidemiology, University of Leipzig, Härtelstraße 16-18, 04107 Leipzig, Germany
- LIFE Research Center for Civilization Diseases, University of Leipzig, Härtelstraße 16-18, 04107 Leipzig, Germany
| | - Andrej Teren
- LIFE Research Center for Civilization Diseases, University of Leipzig, Härtelstraße 16-18, 04107 Leipzig, Germany
- Heart Center Leipzig, Strümpellstraße 39, 04289 Leipzig, Germany
| | - Ralph Burkhardt
- LIFE Research Center for Civilization Diseases, University of Leipzig, Härtelstraße 16-18, 04107 Leipzig, Germany
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053 Regensburg,Germany
| | - Andreas Martinsson
- Department of Cardiology, Sahlgrenska University Hospital, Blå stråket 5, 413 45 Göteborg, Sweden
| | - J Gustav Smith
- Department of Cardiology, Clinical Sciences, Lund University and Skane University Hospital, BMC F12, 221 84 Lund, Sweden
| | - Lars Wallentin
- Department of Medical Sciences, Cardiology, Uppsala University, Akademiska sjukhuset Entrance 40, 751 85 Uppsala, Sweden
- Uppsala Clinical Research Center, Uppsala University, Dag Hammarskjölds Väg 38, 751 85 Uppsala, Sweden
| | - Stefan K James
- Department of Medical Sciences, Cardiology, Uppsala University, Akademiska sjukhuset Entrance 40, 751 85 Uppsala, Sweden
- Uppsala Clinical Research Center, Uppsala University, Dag Hammarskjölds Väg 38, 751 85 Uppsala, Sweden
| | - Niclas Eriksson
- Department of Medical Sciences, Cardiology, Uppsala University, Akademiska sjukhuset Entrance 40, 751 85 Uppsala, Sweden
- Uppsala Clinical Research Center, Uppsala University, Dag Hammarskjölds Väg 38, 751 85 Uppsala, Sweden
| | - Harvey White
- Green Lane Cardiovascular Service, Auckland City Hospital, 2 Park Road, Grafton, Auckland 1023, New Zealand
| | - Claes Held
- Department of Medical Sciences, Cardiology, Uppsala University, Akademiska sjukhuset Entrance 40, 751 85 Uppsala, Sweden
- Uppsala Clinical Research Center, Uppsala University, Dag Hammarskjölds Väg 38, 751 85 Uppsala, Sweden
| | - Dawn Waterworth
- Genetics, GlaxoSmithKline, 709 Swedeland Rd, King of Prussia, PA 19406, USA
| | - Stella Trompet
- Department of Internal Medicine, Section of Gerontology and Geriatrics, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - J Wouter Jukema
- Department of Cardiology, Leiden University Medical Cernter, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
- Netherlands Heart Institute, Moreelsepark 1, 3511 EP Utrecht, The Netherlands
| | - Ian Ford
- Robertson Centre for Biostatistics, University of Glasgow, Boyd Orr Building University Avenue, Glasgow G12 8QQ, UK
| | - David J Stott
- Institute of Cardiovascular and Medical Sciences, College of Medical, Veterinary and Life Sciences, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK
| | - Naveed Sattar
- BHF Glasgow Research Centre, Institute of Cardiovascular and Medical Sciences, University of Glasgow, 126 University Place, Glasgow G12 8TA UK
| | - Sharon Cresci
- Washington University School of Medicine, 2300 I St NW, Washington, DC 20052, USA
- Department of Medicine & Genetics, Campus Box 8232, 4515 McKinley Ave., St. Louis, MO 63110, USA
| | - John A Spertus
- Saint Luke's Mid America Heart Institute and University of Missouri-Kansas City, 4401 Wornall Rd, Kansas City, MO 64111, USA
| | - Hannah Campbell
- Washington University School of Medicine, 2300 I St NW, Washington, DC 20052, USA
- Department of Medicine & Genetics, Campus Box 8232, 4515 McKinley Ave., St. Louis, MO 63110, USA
| | - Sascha Tierling
- Faculty of Natural Sciences and Technology, Department of Genetics/Epigenetics, Saarland University, Postfach 151150, 66041 Saarbrücken, Germany
| | - Jörn Walter
- Faculty of Natural Sciences and Technology, Department of Genetics/Epigenetics, Saarland University, Postfach 151150, 66041 Saarbrücken, Germany
| | - Emmanuel Ampofo
- Institute of Clinical & Experimental Surgery, Saarland University, Kirrberger Straße, 66424 Homburg/Saar, Germany
| | - Barbara A Niemeyer
- Molecular Biophysics, CIPMM, Saarland University, Kirrberger Straße, 66424 Homburg/Saar, Germany
| | - Peter Lipp
- Center for Molecular Signaling (PZMS), Institute for Molecular Cell Biology, Research Center for Molecular Imaging and Screening, Medical Faculty, Saarland University, Kirrberger Straße, 66424 Homburg, Germany
| | - Heribert Schunkert
- Kardiologie, Deutsches Herzzentrum München, Technische Universität München, Lazarettstraße 36, 80636 Munich, Germany
- Partner Site Munich Heart Alliance, German Centre of Cardiovascular Research (DZHK), Ismaninger Straße 22, 81675 Munich, Germany
| | - Michael Böhm
- Department of Internal Medicine III, Cardiology, Angiology, and Intensive Care Medicine, Saarland University Hospital, Kirrberger Strasse, Building 41, 66424 Homburg/Saar, Germany
| | - Wolfgang Koenig
- Kardiologie, Deutsches Herzzentrum München, Technische Universität München, Lazarettstraße 36, 80636 Munich, Germany
- Partner Site Munich Heart Alliance, German Centre of Cardiovascular Research (DZHK), Ismaninger Straße 22, 81675 Munich, Germany
- Institute of Epidemiology and Medical Biometry, University of Ulm, Helmholtzstr. 22, 89081 Ulm, Germany
| | - Danilo Fliser
- Department of Internal Medicine IV, Nephrology and Hypertension, Saarland University Hospital, Kirrberger Strasse, Building 41, 66424 Homburg/Saar, Germany
| | - Ulrich Laufs
- Department of Cardiology, University Medical Center Leipzig, Liebigstraße 20, Leipzig, Germany
| | - Thimoteus Speer
- Department of Internal Medicine IV, Nephrology and Hypertension, Saarland University Hospital, Kirrberger Strasse, Building 41, 66424 Homburg/Saar, Germany
- Translational Cardio-Renal Medicine, Saarland University, Kirrberger Straße, 66424 Homburg/Saar, Germany
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21
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Flook M, Jackson C, Vasileiou E, Simpson CR, Muckian MD, Agrawal U, McCowan C, Jia Y, Murray JLK, Ritchie LD, Robertson C, Stock SJ, Wang X, Woolhouse MEJ, Sheikh A, Stagg HR. Informing the public health response to COVID-19: a systematic review of risk factors for disease, severity, and mortality. BMC Infect Dis 2021; 21:342. [PMID: 33845766 PMCID: PMC8040367 DOI: 10.1186/s12879-021-05992-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 03/16/2021] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Severe Acute Respiratory Syndrome coronavirus-2 (SARS-CoV-2) has challenged public health agencies globally. In order to effectively target government responses, it is critical to identify the individuals most at risk of coronavirus disease-19 (COVID-19), developing severe clinical signs, and mortality. We undertook a systematic review of the literature to present the current status of scientific knowledge in these areas and describe the need for unified global approaches, moving forwards, as well as lessons learnt for future pandemics. METHODS Medline, Embase and Global Health were searched to the end of April 2020, as well as the Web of Science. Search terms were specific to the SARS-CoV-2 virus and COVID-19. Comparative studies of risk factors from any setting, population group and in any language were included. Titles, abstracts and full texts were screened by two reviewers and extracted in duplicate into a standardised form. Data were extracted on risk factors for COVID-19 disease, severe disease, or death and were narratively and descriptively synthesised. RESULTS One thousand two hundred and thirty-eight papers were identified post-deduplication. Thirty-three met our inclusion criteria, of which 26 were from China. Six assessed the risk of contracting the disease, 20 the risk of having severe disease and ten the risk of dying. Age, gender and co-morbidities were commonly assessed as risk factors. The weight of evidence showed increasing age to be associated with severe disease and mortality, and general comorbidities with mortality. Only seven studies presented multivariable analyses and power was generally limited. A wide range of definitions were used for disease severity. CONCLUSIONS The volume of literature generated in the short time since the appearance of SARS-CoV-2 has been considerable. Many studies have sought to document the risk factors for COVID-19 disease, disease severity and mortality; age was the only risk factor based on robust studies and with a consistent body of evidence. Mechanistic studies are required to understand why age is such an important risk factor. At the start of pandemics, large, standardised, studies that use multivariable analyses are urgently needed so that the populations most at risk can be rapidly protected. REGISTRATION This review was registered on PROSPERO as CRD42020177714 .
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Affiliation(s)
- M Flook
- Usher Institute, University of Edinburgh, 30 West Richmond Street, Edinburgh, EH8 9DX, UK
| | - C Jackson
- Medical Research Council Clinical Trials Unit, University College London, London, UK
| | - E Vasileiou
- Usher Institute, University of Edinburgh, 30 West Richmond Street, Edinburgh, EH8 9DX, UK
| | - C R Simpson
- Usher Institute, University of Edinburgh, 30 West Richmond Street, Edinburgh, EH8 9DX, UK
- School of Health, Wellington Faculty of Health, Victoria University of Wellington, Wellington, New Zealand
| | - M D Muckian
- Usher Institute, University of Edinburgh, 30 West Richmond Street, Edinburgh, EH8 9DX, UK
| | - U Agrawal
- School of Medicine, University of St. Andrews, St. Andrews, UK
| | - C McCowan
- School of Medicine, University of St. Andrews, St. Andrews, UK
| | - Y Jia
- Freelance consultant, Beijing, People's Republic of China
| | - J L K Murray
- National Health Service Fife, Kirkcaldy, UK
- Public Health Scotland, Glasgow, UK
| | - L D Ritchie
- School of Medicine and Dentistry, University of Aberdeen, Aberdeen, UK
| | - C Robertson
- Department of Mathematics and Statistics, University of Strathclyde, Glasgow, UK
| | - S J Stock
- Usher Institute, University of Edinburgh, 30 West Richmond Street, Edinburgh, EH8 9DX, UK
| | - X Wang
- Usher Institute, University of Edinburgh, 30 West Richmond Street, Edinburgh, EH8 9DX, UK
| | - M E J Woolhouse
- Usher Institute, University of Edinburgh, 30 West Richmond Street, Edinburgh, EH8 9DX, UK
- School of Biological Sciences, University of Edinburgh, Edinburgh, UK
| | - A Sheikh
- Usher Institute, University of Edinburgh, 30 West Richmond Street, Edinburgh, EH8 9DX, UK
| | - H R Stagg
- Usher Institute, University of Edinburgh, 30 West Richmond Street, Edinburgh, EH8 9DX, UK.
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22
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Boniface K, Byars SG, Cowley D, Kirkwood CD, Bines JE. Human Neonatal Rotavirus Vaccine (RV3-BB) Produces Vaccine Take Irrespective of Histo-Blood Group Antigen Status. J Infect Dis 2020; 221:1070-1078. [PMID: 31763671 PMCID: PMC7075413 DOI: 10.1093/infdis/jiz333] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 07/03/2019] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND VP4 [P] genotype binding specificities of rotaviruses and differential expression of histo-blood group antigens (HBGAs) between populations may contribute to reduced efficacy against severe rotavirus disease. P[6]-based rotavirus vaccines could broaden protection in such settings, particularly in Africa, where the Lewis-negative phenotype and P[6] rotavirus strains are common. METHODS The association between HBGA status and G3P[6] rotavirus vaccine (RV3-BB) take was investigated in a phase 2A study of RV3-BB vaccine involving 46 individuals in Dunedin, New Zealand, during 2012-2014. FUT2 and FUT3 genotypes were determined from DNA extracted from stool specimens, and frequencies of positive cumulative vaccine take, defined as an RV3-BB serum immune response (either immunoglobulin A or serum neutralizing antibody) and/or stool excretion of the vaccine strain, stratified by HBGA status were determined. RESULTS RV3-BB produced positive cumulative vaccine take in 29 of 32 individuals (91%) who expressed a functional FUT2 enzyme (the secretor group), 13 of 13 (100%) who were FUT2 null (the nonsecretor group), and 1 of 1 with reduced FUT2 activity (i.e., a weak secretor); in 37 of 40 individuals (93%) who expressed a functional FUT3 enzyme (the Lewis-positive group) and 3 of 3 who were FUT3 null (the Lewis-negative group); and in 25 of 28 Lewis-positive secretors (89%), 12 of 12 Lewis-positive nonsecretors (100%), 2 of 2 Lewis-negative secretors, and 1 of 1 Lewis-negative weak secretor. CONCLUSIONS RV3-BB produced positive cumulative vaccine take irrespective of HBGA status. RV3-BB has the potential to provide an improved level of protection in settings where P[6] rotavirus disease is endemic, irrespective of the HBGA profile of the population.
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Affiliation(s)
- Karen Boniface
- Enteric Diseases Group, Murdoch Children’s Research Institute, Seattle, Washington
| | - Sean G Byars
- Melbourne School of Population and Global Health, Seattle, Washington
| | - Daniel Cowley
- Enteric Diseases Group, Murdoch Children’s Research Institute, Seattle, Washington
- Department of Pediatrics, University of Melbourne, Seattle, Washington
| | - Carl D Kirkwood
- Enteric Diseases Group, Murdoch Children’s Research Institute, Seattle, Washington
- Department of Pediatrics, University of Melbourne, Seattle, Washington
- Bill and Melinda Gates Foundation, Seattle, Washington
| | - Julie E Bines
- Enteric Diseases Group, Murdoch Children’s Research Institute, Seattle, Washington
- Department of Pediatrics, University of Melbourne, Seattle, Washington
- Department of Gastroenterology and Clinical Nutrition, Royal Children’s Hospital, Parkville, Australia
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23
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Sayers SR, Beavil RL, Fine NHF, Huang GC, Choudhary P, Pacholarz KJ, Barran PE, Butterworth S, Mills CE, Cruickshank JK, Silvestre MP, Poppitt SD, McGill AT, Lavery GG, Hodson DJ, Caton PW. Structure-functional changes in eNAMPT at high concentrations mediate mouse and human beta cell dysfunction in type 2 diabetes. Diabetologia 2020; 63:313-323. [PMID: 31732790 PMCID: PMC6946736 DOI: 10.1007/s00125-019-05029-y] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 09/11/2019] [Indexed: 02/26/2023]
Abstract
AIMS/HYPOTHESIS Progressive decline in functional beta cell mass is central to the development of type 2 diabetes. Elevated serum levels of extracellular nicotinamide phosphoribosyltransferase (eNAMPT) are associated with beta cell failure in type 2 diabetes and eNAMPT immuno-neutralisation improves glucose tolerance in mouse models of diabetes. Despite this, the effects of eNAMPT on functional beta cell mass are poorly elucidated, with some studies having separately reported beta cell-protective effects of eNAMPT. eNAMPT exists in structurally and functionally distinct monomeric and dimeric forms. Dimerisation is essential for the NAD-biosynthetic capacity of NAMPT. Monomeric eNAMPT does not possess NAD-biosynthetic capacity and may exert distinct NAD-independent effects. This study aimed to fully characterise the structure-functional effects of eNAMPT on pancreatic beta cell functional mass and to relate these to beta cell failure in type 2 diabetes. METHODS CD-1 mice and serum from obese humans who were without diabetes, with impaired fasting glucose (IFG) or with type 2 diabetes (from the Body Fat, Surgery and Hormone [BodyFatS&H] study) or with or at risk of developing type 2 diabetes (from the VaSera trial) were used in this study. We generated recombinant wild-type and monomeric eNAMPT to explore the effects of eNAMPT on functional beta cell mass in isolated mouse and human islets. Beta cell function was determined by static and dynamic insulin secretion and intracellular calcium microfluorimetry. NAD-biosynthetic capacity of eNAMPT was assessed by colorimetric and fluorescent assays and by native mass spectrometry. Islet cell number was determined by immunohistochemical staining for insulin, glucagon and somatostatin, with islet apoptosis determined by caspase 3/7 activity. Markers of inflammation and beta cell identity were determined by quantitative reverse transcription PCR. Total, monomeric and dimeric eNAMPT and nicotinamide mononucleotide (NMN) were evaluated by ELISA, western blot and fluorometric assay using serum from non-diabetic, glucose intolerant and type 2 diabetic individuals. RESULTS eNAMPT exerts bimodal and concentration- and structure-functional-dependent effects on beta cell functional mass. At low physiological concentrations (~1 ng/ml), as seen in serum from humans without diabetes, eNAMPT enhances beta cell function through NAD-dependent mechanisms, consistent with eNAMPT being present as a dimer. However, as eNAMPT concentrations rise to ~5 ng/ml, as in type 2 diabetes, eNAMPT begins to adopt a monomeric form and mediates beta cell dysfunction, reduced beta cell identity and number, increased alpha cell number and increased apoptosis, through NAD-independent proinflammatory mechanisms. CONCLUSIONS/INTERPRETATION We have characterised a novel mechanism of beta cell dysfunction in type 2 diabetes. At low physiological levels, eNAMPT exists in dimer form and maintains beta cell function and identity through NAD-dependent mechanisms. However, as eNAMPT levels rise, as in type 2 diabetes, structure-functional changes occur resulting in marked elevation of monomeric eNAMPT, which induces a diabetic phenotype in pancreatic islets. Strategies to selectively target monomeric eNAMPT could represent promising therapeutic strategies for the treatment of type 2 diabetes.
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Affiliation(s)
- Sophie R Sayers
- Diabetes Research Group, Department of Diabetes, School of Life Course Sciences, King's College London, Hodgkin Building, Guy's Campus, London, SE1 1UL, UK
| | - Rebecca L Beavil
- Protein Production Facility, Randall Centre for Cell and Molecular Biophysics, King's College London, London, UK
| | - Nicholas H F Fine
- Institute of Metabolism and Systems Research (IMSR), University of Birmingham, Birmingham, UK
- Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham, Birmingham, UK
- Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
| | - Guo C Huang
- Diabetes Research Group, Department of Diabetes, School of Life Course Sciences, King's College London, Hodgkin Building, Guy's Campus, London, SE1 1UL, UK
| | - Pratik Choudhary
- Diabetes Research Group, Department of Diabetes, School of Life Course Sciences, King's College London, Hodgkin Building, Guy's Campus, London, SE1 1UL, UK
| | - Kamila J Pacholarz
- Michael Barber Centre for Collaborative Mass Spectrometry, School of Chemistry, Manchester Institute of Biotechnology, Manchester, UK
| | - Perdita E Barran
- Michael Barber Centre for Collaborative Mass Spectrometry, School of Chemistry, Manchester Institute of Biotechnology, Manchester, UK
| | - Sam Butterworth
- Division of Pharmacy and Optometry, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Charlotte E Mills
- Department of Nutritional Sciences, School of Life Course Sciences, King's College London, London, UK
- Nutrition Research Group, University of Reading, Reading, UK
| | - J Kennedy Cruickshank
- Department of Nutritional Sciences, School of Life Course Sciences, King's College London, London, UK
| | - Marta P Silvestre
- Human Nutrition Unit, School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - Sally D Poppitt
- Human Nutrition Unit, School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - Anne-Thea McGill
- Human Nutrition Unit, School of Biological Sciences, University of Auckland, Auckland, New Zealand
- School of Health & Human Sciences, Southern Cross University, Lismore, NSW, Australia
| | - Gareth G Lavery
- Institute of Metabolism and Systems Research (IMSR), University of Birmingham, Birmingham, UK
- Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham, Birmingham, UK
- Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
| | - David J Hodson
- Institute of Metabolism and Systems Research (IMSR), University of Birmingham, Birmingham, UK
- Centre of Membrane Proteins and Receptors (COMPARE), University of Birmingham, Birmingham, UK
- Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
| | - Paul W Caton
- Diabetes Research Group, Department of Diabetes, School of Life Course Sciences, King's College London, Hodgkin Building, Guy's Campus, London, SE1 1UL, UK.
- Department of Nutritional Sciences, School of Life Course Sciences, King's College London, London, UK.
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24
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Jameson MB, Gormly K, Espinoza D, Hague W, Asghari G, Jeffery GM, Price TJ, Karapetis CS, Arendse M, Armstrong J, Childs J, Frizelle FA, Ngan S, Stevenson A, Oostendorp M, Ackland SP. SPAR - a randomised, placebo-controlled phase II trial of simvastatin in addition to standard chemotherapy and radiation in preoperative treatment for rectal cancer: an AGITG clinical trial. BMC Cancer 2019; 19:1229. [PMID: 31847830 PMCID: PMC6918635 DOI: 10.1186/s12885-019-6405-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 11/26/2019] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Retrospective studies show improved outcomes in colorectal cancer patients if taking statins, including overall survival, pathological response of rectal cancer to preoperative chemoradiotherapy (pCRT), and reduced acute and late toxicities of pelvic radiation. Major tumour regression following pCRT has strong prognostic significance and can be assessed in vivo using MRI-based tumour regression grading (mrTRG) or after surgery using pathological TRG (pathTRG). METHODS A double-blind phase 2 trial will randomise 222 patients planned to receive long-course fluoropyrimidine-based pCRT for rectal adenocarcinoma at 18+ sites in New Zealand and Australia. Patients will receive simvastatin 40 mg or placebo daily for 90 days starting 1 week prior to standard pCRT. Pelvic MRI 6 weeks after pCRT will assess mrTRG grading prior to surgery. The primary objective is rates of favourable (grades 1-2) mrTRG following pCRT with simvastatin compared to placebo, considering mrTRG in 4 ordered categories (1, 2, 3, 4-5). Secondary objectives include comparison of: rates of favourable pathTRG in resected tumours; incidence of toxicity; compliance with intended pCRT and trial medication; proportion of patients undergoing surgical resection; cancer outcomes and pathological scores for radiation colitis. Tertiary objectives include: association between mrTRG and pathTRG grouping; inter-observer agreement on mrTRG scoring and pathTRG scoring; studies of T-cell infiltrates in diagnostic biopsies and irradiated resected normal and malignant tissue; and the effect of simvastatin on markers of systemic inflammation (modified Glasgow prognostic score and the neutrophil-lymphocyte ratio). Trial recruitment commenced April 2018. DISCUSSION When completed this study will be able to observe meaningful differences in measurable tumour outcome parameters and/or toxicity from simvastatin. A positive result will require a larger RCT to confirm and validate the merit of statins in the preoperative management of rectal cancer. Such a finding could also lead to studies of statins in conjunction with chemoradiation in a range of other malignancies, as well as further exploration of possible mechanisms of action and interaction of statins with both radiation and chemotherapy. The translational substudies undertaken with this trial will provisionally explore some of these possible mechanisms, and the tissue and data can be made available for further investigations. TRIAL REGISTRATION ANZ Clinical Trials Register ACTRN12617001087347. (www.anzctr.org.au, registered 26/7/2017) Protocol Version: 1.1 (June 2017).
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Affiliation(s)
- Michael B Jameson
- Waikato Hospital and Waikato Clinical Campus, University of Auckland, Hamilton, New Zealand
| | | | - David Espinoza
- NHMRC Clinical Trials Centre, University of Sydney, Sydney, Australia
| | - Wendy Hague
- NHMRC Clinical Trials Centre, University of Sydney, Sydney, Australia
| | | | | | - Timothy Jay Price
- Queen Elizabeth Hospital, University of Adelaide, Adelaide, Australia
| | | | | | - James Armstrong
- Consumer Advisory Panel, Australasian Gastro-Intestinal Trials Group, Sydney, Australia
| | - John Childs
- Regional Cancer and Blood Centre, Auckland District Health Board, Auckland, New Zealand
| | | | - Sam Ngan
- Peter MacCallum Cancer Centre, Melbourne, Australia
| | | | | | - Stephen P Ackland
- University of Newcastle, Lake Macquarie Private Hospital and Calvary Mater Newcastle Hospital, Newcastle, Australia.
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25
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Gerritsen S, Renker-Darby A, Harré S, Rees D, Raroa DA, Eickstaedt M, Sushil Z, Allan K, Bartos AE, Waterlander WE, Swinburn B. Improving low fruit and vegetable intake in children: Findings from a system dynamics, community group model building study. PLoS One 2019; 14:e0221107. [PMID: 31415644 PMCID: PMC6695127 DOI: 10.1371/journal.pone.0221107] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 07/12/2019] [Indexed: 12/13/2022] Open
Abstract
Many children globally do not meet government guidelines for daily fruit and vegetable intake, and in New Zealand, adherence to the vegetable intake recommendation is declining. This study aimed to identify systemic barriers to children meeting fruit and vegetable (FV) guidelines and generate sustainable actions within a local community to improve children’s FV intake. A qualitative system dynamics method of community group model building was used. The research team partnered with Healthy Families Waitākere, a Ministry of Health funded prevention initiative, to recruit 17 participants (including students, parents, teachers, community leaders, local retailers and health promoters) from a low-income, ethnically-diverse community in West Auckland, New Zealand. Three group model building workshops were held during which a systems map was created and used to identify actions by considering causal pathways and reinforcing loops in the system. Barriers to children’s FV intake identified by participants were the saturation of fast-food outlets in the community and ubiquitous marketing of these products, the high cost of fresh produce compared to fast food, and parents having little time for food preparation plus declining cooking skills and knowledge. Several actions to improve children’s FV intake by improving the local food environment were identified, which will be co-designed further and tested by a collaborative group involving community leaders. This project highlights the effectiveness of group model building for engaging a local community in systems change to improve child nutrition, and supplies a blueprint for future qualitative system dynamics research.
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Affiliation(s)
- Sarah Gerritsen
- School of Population Health, University of Auckland, Auckland, New Zealand
- * E-mail:
| | - Ana Renker-Darby
- School of Population Health, University of Auckland, Auckland, New Zealand
| | - Sophia Harré
- School of Population Health, University of Auckland, Auckland, New Zealand
| | | | | | | | | | - Kerry Allan
- Healthy Families Waitakere, Auckland, New Zealand
| | - Ann E. Bartos
- School of Environment, University of Auckland, Auckland, New Zealand
| | - Wilma E. Waterlander
- Department of Public Health, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Boyd Swinburn
- School of Population Health, University of Auckland, Auckland, New Zealand
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