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Burgess J, Scurrell E, Collier E, Featherstone H. Sterile granulomatous panuveitis in dogs in the United Kingdom: A review of 33 cases. Vet Ophthalmol 2024. [PMID: 38279201 DOI: 10.1111/vop.13178] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 12/09/2023] [Accepted: 12/12/2023] [Indexed: 01/28/2024]
Abstract
PURPOSE To describe the clinical and histopathological features of a sterile granulomatous panuveitis syndrome in 33 dogs that underwent enucleation and ocular histopathology. METHODS Retrospective review of the medical records and ocular histopathology reports of 33 cases. Inclusion criteria were enucleation in conjunction with characteristic clinical and histopathological features. RESULTS Thirteen breeds were represented (including crossbreeds). Panuveitis was acute and fulminating, and secondary glaucoma was common (n = 27). Interval from initial presentation to enucleation was 99 days (median 33 days, range 5-605 days). The mean age at enucleation was 6.7 years. Ocular signs were initially unilateral (n = 18) or bilateral (n = 15). The disease became bilateral in 18/25 cases that initially underwent unilateral enucleation, resulting in enucleation or euthanasia in 9/18 (mean interval of 168 days). Seven out of 59 eyes had a good outcome following topical anti-inflammatory and systemic immunosuppressive therapy. None of the dogs had travel history nor relevant systemic signs from presentation to follow-up (mean 619 days, range 16-3012 days). Histopathology revealed histiocytic and lymphoplasmacytic panuveitis with pigment dispersion, and no infectious agents were identified on light microscopy. CONCLUSION To the authors' knowledge, this is the first report of a sterile granulomatous panuveitis syndrome in dogs in the UK. The clinical signs are severe, with rapid progression, and can result in bilateral enucleation or euthanasia in affected dogs. There does not appear to be an age or breed predisposition, however further research is necessary in this regard. Early and aggressive intervention, with both topical and systemic immunosuppressive therapy, is recommended to reduce the risk of blindness, enucleation, and euthanasia.
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Affiliation(s)
- J Burgess
- The Ralph Veterinary Referral Centre, Marlow, UK
| | | | - E Collier
- The Ralph Veterinary Referral Centre, Marlow, UK
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Amornpairoj W, Rivas K, Chopra D, Burgess J, Catanuto P, Siegfried L, Tomic-Canic M, Strbo N, Lev-Tov H, Pastar I. 539 Hidradenitis suppurativa is characterized by suppression of antimicrobial effector perforin-2. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.05.549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Stone R, Burgess J, Balukoff N, Wikramanayake T, Elliot S, Azzam G, Samuels S, Wan D, Longaker M, Tomic-Canic M. 763 Radiation injury upregulates miR-196, increases dermal collagen, and triggers a pro-fibrotic genomic response that spreads in a murine model of radiation-induced skin fibrosis. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.05.776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Lim JZM, Burgess J, Ooi CG, Ponirakis G, Malik RA, Wilding JPH, Alam U. The Peripheral Neuropathy Prevalence and Characteristics Are Comparable in People with Obesity and Long-Duration Type 1 Diabetes. Adv Ther 2022; 39:4218-4229. [PMID: 35867275 PMCID: PMC9402741 DOI: 10.1007/s12325-022-02208-z] [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] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 05/26/2022] [Indexed: 12/02/2022]
Abstract
Introduction Peripheral neuropathy is reported in obesity even in the absence of hyperglycaemia. Objective To compare the prevalence and characterise the phenotype of peripheral neuropathy in people living with obesity (OB) and long-duration type 1 diabetes (T1D). Patients and Methods We performed a prospective cross-sectional study of 130 participants including healthy volunteers (HV) (n = 28), people with T1D (n = 51), and OB (BMI 30–50 kg/m2) (n = 51). Participants underwent assessment of neuropathic symptoms (Neuropathy Symptom Profile, NSP), neurological deficits (Neuropathy Disability Score, NDS), vibration perception threshold (VPT) and evaluation of sural nerve conduction velocity and amplitude. Results Peripheral neuropathy was present in 43.1% of people with T1D (age 49.9 ± 12.9 years; duration of diabetes 23.4 ± 13.5 years) and 33.3% of OB (age 48.2 ± 10.8 years). VPT for high risk of neuropathic foot ulceration (VPT ≥ 25 V) was present in 31.4% of T1D and 19.6% of OB. Participants living with OB were heavier (BMI 42.9 ± 3.5 kg/m2) and had greater centripetal adiposity with an increased body fat percentage (FM%) (P < 0.001) and waist circumference (WC) (P < 0.001) compared to T1D. The OB group had a higher NDS (P < 0.001), VAS for pain (P < 0.001), NSP (P < 0.001), VPT (P < 0.001) and reduced sural nerve conduction velocity (P < 0.001) and amplitude (P < 0.001) compared to HV, but these parameters were comparable in T1D. VPT was positively associated with increased WC (P = 0.011), FM% (P = 0.001) and HbA1c (P < 0.001) after adjusting for age (R2 = 0.547). Subgroup analysis of respiratory quotient (RQ) measured in the OB group did not correlate with VPT (P = 0.788), nerve conduction velocity (P = 0.743) or amplitude (P = 0.677). Conclusion The characteristics of peripheral neuropathy were comparable between normoglycaemic people living with obesity and people with long-duration T1D, suggesting that metabolic factors linked to obesity play a pivotal role in the development of peripheral neuropathy. Further studies are needed to investigate the mechanistic link between visceral adiposity and neuropathy. Supplementary Information The online version contains supplementary material available at 10.1007/s12325-022-02208-z.
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Affiliation(s)
- J Z M Lim
- Department of Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK.,Division of Diabetes and Endocrinology, Aintree University Hospital, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
| | - J Burgess
- Department of Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK
| | - C G Ooi
- Division of Diabetes and Endocrinology, Aintree University Hospital, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
| | - G Ponirakis
- Division of Medicine, Qatar Foundation, Weill Cornell Medicine-Qatar, Doha, Qatar
| | - R A Malik
- Division of Medicine, Qatar Foundation, Weill Cornell Medicine-Qatar, Doha, Qatar
| | - J P H Wilding
- Department of Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK.,Division of Diabetes and Endocrinology, Aintree University Hospital, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
| | - Uazman Alam
- Department of Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK. .,Division of Diabetes and Endocrinology, Aintree University Hospital, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK. .,Department of Diabetes, Endocrinology and Gastroenterology, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.
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Al-Adwi Y, Gan TJ, Bosma J, Abdulahad W, Atzeni IM, Van der Leij M, Kroesen BJ, Stel AJ, Timens W, Burgess J, Van Goor H, Westra J, Mulder DJ. AB0659 Recruitment and prevalence of mixed phenotype macrophages is prominent in Bronchoalveolar Lavage (BAL) of Systemic Sclerosis (SSc) patients with Interstitial Lung Disease (ILD). Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundILD is a major problem in SSc for which no disease-modifying therapies are available. Many observations suggest monocyte/macrophage involvement in SSc and might be a key component in the development of ILD. Macrophages polarize into M1 and M2 phenotypes and thereby orchestrate inflammation and subsequent fibrosis by responding to and producing a vast array of cytokines and chemokines. Differences in the levels of the chemokines might explain variations in the recruitment and activation of macrophages in affected organs. In SSc, monocytes with a mixed phenotype (expressing both M1 and M2 markers) are prominent in peripheral blood. No previous study has investigated the mixed phenotype macrophages locally on the lung level.Objectivesa-to measure macrophage-related chemokines in BAL fluid obtained from SSc-ILD and SSc-no-ILD patients.b-to investigate levels of M1 and M2 macrophage markers in BAL cells obtained from SSc-ILD and SSc-no-ILD patients.MethodsA cross-sectional study in which BAL procedure was performed on 15 treatment-naïve SSc patients divided into two groups according to lung involvement determined by HRCT and lung function tests: SSc-no-ILD group and SSc-ILD group (Table 1). Levels of chemokines (CCL18, CXCL-10 and CCR2) were analysed using ELISA. mRNA expression levels of CD86 (M1; inflammatory macrophage marker) and CD206 (M2; fibrogenic macrophage marker) in cells isolated from BAL were assessed using RT-qPCR. In addition, immunofluorescence studies and flow cytometry analyses were performed to evaluate the expression of M1 (CD86) or M2 (CD206) markers in BAL macrophages.Table 1.Patient characteristicsno ILDILDNumber of patients87Age57 (51-68)60 (53-73)Female75%57%Raynauds phenomenon100%85%Age start of Raynauds36 (22-53)56 (41-66)Age start of non-Raynauds50 (33-60)49 (36-68)Skin thickening50%43%Digital ulcer at this moment0%29%Digital ulcer in the past38%29%Pitting scars38%43%Telangiectasia50%43%Calcinosis13%29%Cardiac25%14%Gastro-intestinal88%43%Kidney0%0%ResultsMacrophages were the predominant immune cell population in BAL of SSc patients (73%). The levels of CCL18, CCR2 and CXCL10 were slightly elevated in the SSc-ILD group compared to the SSc-no-ILD (Figure 1.1). RT-qPCR data showed that CD86 expression was elevated in the SSc-ILD group while no difference was observed in CD206 expression between the two groups (data not shown). The SSc-ILD group had higher proportions of double-positive (CD86+, CD206+) macrophages than SSc-no-ILD which, in contrast, had higher proportions of CD86+, CD206- macrophages (Figure 1.2). These results were supported by fluorescent microscopy images in which the SSc-ILD group had higher CD86 and CD206 expression than the SSc-no-ILD (Figure 1.3). Double staining clearly showed a more prevalent mixed activation of macrophages in the SSc-ILD group.ConclusionIn this pilot study, recruitment and activation of mixed phenotype macrophages was more prominent in SSc-ILD than in SSc-no-ILD. Although levels of chemokines were not profoundly different between both groups, studying extensively the macrophage activation patterns in BAL provided novel findings regarding differences between the two groups. Since SSc is characterised by inflammatory and fibrotic phases, the mixed polarization of macrophages we showed for the first time in SSc-ILD patients on an organ level is a key aspect in such disease and could potentially serve as a target for therapeutics.References[1]Perelas A, Silver RM, Arrossi AV, Highland KB. Systemic sclerosis-associated interstitial lung disease. Lancet Respir Med. 2020;8(3):304-320. doi:10.1016/S2213-2600(19)30480-1[2]Schmidt K, Martinez-Gamboa L, Meier S, et al. Bronchoalveoloar lavage fluid cytokines and chemokines as markers and predictors for the outcome of interstitial lung disease in systemic sclerosis patients. Arthritis Res Ther. 2009;11(4):R111. doi:10.1186/ar2766Disclosure of InterestsYehya Al-Adwi: None declared, Tji-Joong Gan: None declared, Janneke Bosma: None declared, Wayel Abdulahad: None declared, Isabella M. Atzeni: None declared, Marcel Van der Leij: None declared, Bart-Jan Kroesen: None declared, Alja J. Stel: None declared, Wim Timens: None declared, Janette Burgess: None declared, Harry van Goor: None declared, Johanna Westra: None declared, Douwe J Mulder Grant/research support from: Dr. DJ Mulder as an employee of the UMCG received research grants from Sanofi Genzyme which were paid to the UMCG
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Singh A, Venn A, Blizzard L, Jones G, Burgess J, Parameswaran V, Cicuttini F, March L, Eckstein F, Wirth W, Ding C, Antony B. Association between osteoarthritis-related serum biochemical markers over 11 years and knee MRI-based imaging biomarkers in middle-aged adults. Osteoarthritis Cartilage 2022; 30:756-764. [PMID: 35240332 DOI: 10.1016/j.joca.2022.02.616] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 12/20/2021] [Accepted: 02/17/2022] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To describe the associations between osteoarthritis (OA)-related biochemical markers (COMP, MMP-3, HA) and MRI-based imaging biomarkers in middle-aged adults over 10-13 years. METHODS Blood serum samples collected during the Childhood Determinants of Adult Health (CDAH)-1 study (year:2004-06; n = 156) and 10-13 year follow-up at CDAH-3 (n = 167) were analysed for COMP, MMP-3, and HA using non-isotopic ELISA. Knee MRI scans obtained during the CDAH-knee study (year:2008-10; n = 313) were assessed for cartilage volume and thickness, subchondral bone area, cartilage defects, and BML. RESULTS In a multivariable linear regression model describing the association of baseline biochemical markers with MRI-markers (assessed after 4-years), we found a significant negative association of standardised COMP with medial femorotibial compartment cartilage thickness (β:-0.070; 95%CI:-0.138,-0.001), and standardised MMP-3 with patellar cartilage volume (β:-141.548; 95%CI:-254.917,-28.179) and total bone area (β:-0.729; 95%CI:-1.340,-0.118). In multivariable Tobit regression model, there was a significant association of MRI-markers with biochemical markers (assessed after 6-9 years); a significant negative association of patellar cartilage volume (β:-0.001; 95%CI:-0.002,-0.00004), and total bone area (β:-0.158; 95%CI-0.307,-0.010) with MMP-3, and total cartilage volume (β:-0.001; 95%CI:-0.001,-0.0001) and total bone area (β:-0.373; 95%CI:-0.636,-0.111) with COMP. No significant associations were observed between MRI-based imaging biomarkers and HA. CONCLUSION COMP and MMP-3 levels were negatively associated with knee cartilage thickness and volume assessed 4-years later, respectively. Knee cartilage volume and bone area were negatively associated with COMP and MMP-3 levels assessed 6-9 years later. These results suggest that OA-related biochemical markers and MRI-markers are interrelated in early OA.
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Affiliation(s)
- A Singh
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia
| | - A Venn
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia
| | - L Blizzard
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia
| | - G Jones
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia
| | - J Burgess
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia; Department of Endocrinology, Royal Hobart Hospital, Hobart, Australia
| | - V Parameswaran
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia; Department of Endocrinology, Royal Hobart Hospital, Hobart, Australia
| | - F Cicuttini
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Australia
| | - L March
- Institute of Bone and Joint Research, Kolling Institute of Medical Research, University of Sydney, Sydney, Australia; Florance and Cope Professorial Rheumatology Department, University of Sydney Royal North Shore Hospital, St Leonards, Sydney, Australia
| | - F Eckstein
- Chondrometrics GmbH, Ainring, Germany; Department of Imaging and Functional Musculoskeletal Research, Institute of Anatomy & Cell Biology, Paracelsus Medical University Salzburg & Nuremberg, Salzburg, Austria; Ludwig Boltzmann Institute for Arthritis and Rehabilitation, Paracelsus Medical University, Salzburg, Austria
| | - W Wirth
- Chondrometrics GmbH, Ainring, Germany; Department of Imaging and Functional Musculoskeletal Research, Institute of Anatomy & Cell Biology, Paracelsus Medical University Salzburg & Nuremberg, Salzburg, Austria; Ludwig Boltzmann Institute for Arthritis and Rehabilitation, Paracelsus Medical University, Salzburg, Austria
| | - C Ding
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia; Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Australia; Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - B Antony
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Australia.
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Comeau P, Burgess J, Malekafzali N, Rezqi Qomi N, Manso A. Exploring the Inclusion of Photosensitive Compounds on Methacrylate-Based Resin Properties. Dent Mater 2022. [DOI: 10.1016/j.dental.2021.12.124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Lefebvre D, Williams AG, Kirk GJD, Paul, Burgess J, Meersmans J, Silman MR, Román-Dañobeytia F, Farfan J, Smith P. Assessing the carbon capture potential of a reforestation project. Sci Rep 2021; 11:19907. [PMID: 34620924 PMCID: PMC8497602 DOI: 10.1038/s41598-021-99395-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 09/22/2021] [Indexed: 11/16/2022] Open
Abstract
The number of reforestation projects worldwide is increasing. In many cases funding is obtained through the claimed carbon capture of the trees, presented as immediate and durable, whereas reforested plots need time and maintenance to realise their carbon capture potential. Further, claims usually overlook the environmental costs of natural or anthropogenic disturbances during the forest’s lifetime, and greenhouse gas (GHG) emissions associated with the reforestation are not allowed for. This study uses life cycle assessment to quantify the carbon footprint of setting up a reforestation plot in the Peruvian Amazon. In parallel, we combine a soil carbon model with an above- and below-ground plant carbon model to predict the increase in carbon stocks after planting. We compare our results with the carbon capture claims made by a reforestation platform. Our results show major errors in carbon accounting in reforestation projects if they (1) ignore the time needed for trees to reach their carbon capture potential; (2) ignore the GHG emissions involved in setting up a plot; (3) report the carbon capture potential per tree planted, thereby ignoring limitations at the forest ecosystem level; or (4) under-estimate tree losses due to inevitable human and climatic disturbances. Further, we show that applications of biochar during reforestation can partially compensate for project emissions.
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Affiliation(s)
- David Lefebvre
- School of Water, Energy and Environment, Cranfield University, Cranfield, MK43 0AL, Bedfordshire, UK.
| | - Adrian G Williams
- School of Water, Energy and Environment, Cranfield University, Cranfield, MK43 0AL, Bedfordshire, UK
| | - Guy J D Kirk
- School of Water, Energy and Environment, Cranfield University, Cranfield, MK43 0AL, Bedfordshire, UK
| | | | - J Burgess
- School of Water, Energy and Environment, Cranfield University, Cranfield, MK43 0AL, Bedfordshire, UK
| | - Jeroen Meersmans
- TERRA Teaching and Research Centre, Gembloux Agro-Bio Tech, University of Liège, 5030, Gembloux, Belgium
| | - Miles R Silman
- Centro de Innovación Científica Amazónica-CINCIA, 17001, Madre de Dios, Peru.,Center for Energy, Environment and Sustainability, Wake Forest University, Winston-Salem, NC, 27106, USA.,Department of Biology, Wake Forest University, Winston-Salem, NC, 27106, USA
| | - Francisco Román-Dañobeytia
- Centro de Innovación Científica Amazónica-CINCIA, 17001, Madre de Dios, Peru.,Center for Energy, Environment and Sustainability, Wake Forest University, Winston-Salem, NC, 27106, USA
| | - Jhon Farfan
- Centro de Innovación Científica Amazónica-CINCIA, 17001, Madre de Dios, Peru
| | - Pete Smith
- Institute of Biological and Environmental Sciences, University of Aberdeen, 23 St Machar Drive, Aberdeen, AB24 3UU, UK
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Singh A, Blizzard L, Venn A, Jones G, Burgess J, Parameswaran V, Ding C, Antony B. POS0190 ASSOCIATION BETWEEN OSTEOARTHRITIS-RELATED SERUM BIOCHEMICAL MARKERS OVER 11 YEARS AND KNEE SYMPTOMS IN MIDDLE-AGED ADULTS. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.98] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Serum levels of cartilage and joint-specific biochemical markers such as cartilage oligomeric matrix protein (COMP), matrix metalloproteinase (MMP)-3, and hyaluronan (HA) are associated with cartilage degradation, joint tissue degradation, and synovitis in patients with OA. Change in these biomarkers may precede the morphological and clinical manifestations of OA and therefore have been explored as predictive markers in OA. However, few studies have evaluated the association of OA-related biomarkers with knee symptoms in general population-based middle-aged adultsObjectives:To describe the associations between OA-related biomarkers and knee symptoms in middle-aged adults followed up over 10-13 yearsMethods:Blood samples were collected during the Childhood Determinants of Adult Health (CDAH)-1 study at baseline (year: 2004-06, age: 26–36 years) and 10-13 year follow-up (CDAH-3; year: 2014–2019, age: 36–49 years). Serum samples from baseline (n=156) and follow-up (n= 167) were analyzed for three OA-related biomarkers – namely COMP, MMP-3, and HA– using ELISA. Knee symptoms (pain, stiffness, and dysfunction) were assessed using the WOMAC scale during the CDAH-3 phase. Univariable and multivariable (adjusted for age, sex, and body mass index (BMI)) zero-inflated Poisson regression models with random effects were used to describe the above associationsResults:The prevalence of knee pain was 46%. In the multivariable model, adjusted for age, sex, and BMI, there was a significant positive association between COMP (ɞ=1.156, 95%CI: 0.989,1.324; p=0.04), MMP-3 (ɞ=1.013, 95%CI: 1.001,1.025; p=0.02), and HA (ɞ=1.008, 95%CI: 1.002,1.015, p=0.01) with knee pain and WOMAC-total score (Table 1) in middle-aged adults. The increase in knee pain per ng/ml increase in COMP, MMP-3, and HA was 15.7%, 1.3%, and 0.8%, respectively. The overall mean biomarker levels decreased over 10-13 years; however, the mean WOMAC-total scores were higher in participants whose COMP and HA levels increased (COMP: 24 (27.31), HA: 14.20 (22.60)) compared to those in whom it decreased or remained stable (COMP: 9.84 (16.83), and HA: 8.28 (13.22)) during this period. There was a significant positive association between COMP (ɞ=1.026, 95%CI: 1.002,1.050, p=0.03) and MMP-3 (ɞ=1.020, 95%CI: 1.009,1.030, p<0.01) measured at baseline and knee pain assessed after 10-13 year in the middle-aged adults (Table 1)Table 1.Cross-sectional and longitudinal association between WOMAC symptoms and OA-related biomarkersVariablesLongitudinal Biomarker at CDAH-1, knee symptom at CDAH-3Cross-sectional Biomarker at CDAH-3, knee symptom at CDAH-3Adjusted. Coef. (95%CI) p-valueAdjusted. Coef. (95%CI) p-valueCOMP (Predictor)WOMAC-total1.047 (1.035, 1.060)1.088 (1.017, 1.159)p<0.01p=0.01Stiffness1.019 (0.988, 1.051)0.877 (0.708, 1.057)p=0.23p=0.12Dysfunction1.045 (1.030, 1.061)1.040 (0.949, 1.130)p<0.01p=0.38MMP3 (Predictor)WOMAC-total1.026 (1.020, 1.031)1.017 (1.010, 1.023)p<0.01p<0.01Pain1.020 (1.009, 1.030)1.013 (1.001, 1.025)p<0.01p=0.03Stiffness1.020 (1.004, 1.035)1.004 (.987, 1.021)p=0.01p=0.66Dysfunction1.029 (1.022, 1.037)1.019 (1.010, 1.026)p<0.01p<0.01HA (Predictor)WOMAC-total0.995 (0.991, 0.999)1.007 (1.003, 1.010)p=0.01p<0.01Pain0.999 (0.991, 1.006)1.008 (1.002, 1.015)p=0.75p=0.01Stiffness0.989 (0.980, 0.998)0.997 (0.989, 1.007)p=0.03p=0.65Dysfunction1.003 (0.998, 1.009)1.015 (1.010, 1.020)p= 0.22p<0.01Bold denotes statistically significant. Model adjusted for age, sex, and BMIConclusion:OA-related biochemical markers such as COMP and MMP-3 were positively associated with knee pain in population-based middle-aged adults. These results suggest biochemical markers measured in middle-aged adults may be used as a marker of joint painAcknowledgements:AS is supported by International Graduate Research Scholarship, University of Tasmania.Disclosure of Interests:Ambrish Singh Employee of: Has worked in the past for Abbott and Eli Lilly and Company, Leigh Blizzard: None declared, Alison Venn: None declared, Graeme Jones: None declared, John Burgess: None declared, Venkat Parameswaran: None declared, Changhai Ding: None declared, Benny Antony: None declared
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Chen V, Stone R, Burgess J, Strbo N, Pastar I, Tomic-Canic M. 646 Antimicrobial Perforin-2 in chronic wounds correlates with healing outcomes. J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.02.675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Burgess J, Bolderson E, Richard D, O'Byrne K. P1.14-22 SASH1, a Novel Prognostic and Predictive Factor for PARP Inhibitors in Lung Cancer. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1173] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Adams M, Burgess J, Richard D, O'Byrne K. P1.01-01 Clinical Relevance of Targeting Proteins Required for Mitotic Progression to Improve Chemotherapy Response in Non-Small Cell Lung Cancer. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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O’Byrne K, Adams M, Burgess J, Richard D. Targeting CDCA3 to improve chemotherapy response in triple negative breast cancer patients. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz241.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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O'Brien K, SARAVANABAVAN S, Zhang J, Wong A, Luciuk M, Burgess J, Rangan G. SAT-126 PROGRESSION OF RENAL MICROVASCULAR ABNORMALITIES AND THE EFFECT OF SIROLIMUS ON ANGIOGENESIS IN EXPERIMENTAL POLYCYSTIC KIDNEY DISEASE. Kidney Int Rep 2019. [DOI: 10.1016/j.ekir.2019.05.155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Burgess J, Major B, McNeel C, Clarke G, Youssef G, Lum J, Enticott P. Learning to expect: Predicting sounds during movement is related to sensorimotor associations during listening. Brain Stimul 2019. [DOI: 10.1016/j.brs.2018.12.361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Burgess J, Bolderson E, Adams M, Zhang S, Fox S, Wright G, Young R, Solomon B, Gray S, Richard D, O’Byrne K. Chloropyramine increases NSCLC sensitivity to cisplatin in a SASH1 dependent manner. Lung Cancer 2019. [DOI: 10.1016/s0169-5002(19)30046-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Boucher D, Ashton N, Suraweera A, Burgess J, Bolderson E, Barr M, Gray S, Gately K, Adams M, Croft L, Richard D, O’Byrne K. Human single-stranded DNA protein 1 (hSSB1): a prognostic factor and target for non-small cell lung cancer (NSCLC) treatment. Lung Cancer 2019. [DOI: 10.1016/s0169-5002(19)30084-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Adams M, Burgess J, Richard D, O’Byrne K. Enhancing sensitivity to platinum-based therapy by suppressing the novel prognostic factor CDCA3 in non- small cell lung cancer. Lung Cancer 2019. [DOI: 10.1016/s0169-5002(19)30047-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Bennett R, Trinidad B, Datoc A, Burgess J, Golden C, Amen D, Willeumier K, Taylor D. C - 31SPECT Cerebral Blood Flow Differences Between Self-Reported Low and High Feelings of Hopelessness. Arch Clin Neuropsychol 2018. [DOI: 10.1093/arclin/acy061.184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Datoc A, Burgess J, Bennett R, Lashley L, Golden C. B - 04Differences Between Gender in Athletes with ADHD on Baseline Neurocognitive Scores. Arch Clin Neuropsychol 2018. [DOI: 10.1093/arclin/acy061.80] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Datoc A, Burgess J, Lashley L, Golden C. B - 05Influence of Learning Disorders on Baseline Neurocognitive Scores Within Gender. Arch Clin Neuropsychol 2018. [DOI: 10.1093/arclin/acy061.81] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Abstract
SummaryThe platelet aggregation test is widely used for the diagnosis of heparin-induced thrombocytopenia (HIT), a potentially serious complication of heparin therapy. We have evaluated its sensitivity and specificity in comparison with those of the 14C-serotonin release test. The sensitivity of the platelet aggregation test was found to vary with the heparin concentration and the donor of the platelets used in the test. The optimal heparin concentrations were between 0.1 and 1.0 U/ml. Using these heparin concentrations, the mean sensitivity varied from 39% (with the least reactive platelets) to 81% (with the most reactive platelets). In comparison, the sensitivity of the release test ranged from 65% to 94%. The specificities of the platelet aggregation test were 82%, 90% and 100% for the following control groups: (1) non-thrombocytopenic patients given heparin, (2) patients with thrombocytopenia due to other causes, and (3) normal controls not given heparin, respectively. The corresponding specificities for the release test was 94%, 90% and 100%. The specificities can be further increased to 100% for all controls with the adoption of a two-point system which defines a positive result as one in which platelet aggregation occurs with a low heparin concentration (0.5 U/ml) but not with 100 U heparin/ml. For optimal results, a two-point platelet aggregation test should be performed with heparin concentrations of 0.5 and 100 U/ml and using platelets of more reactive donors.
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Affiliation(s)
- B H Chong
- The Haematology Department, Prince of Wales Hospital, Randwick (Sydney), New South Wales, Australia
| | - J Burgess
- The Haematology Department, Prince of Wales Hospital, Randwick (Sydney), New South Wales, Australia
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Adams M, Burgess J, Richard D, O’Byrne K. MA 03.11 Targeting CDCA3 Enhances Sensitivity to Platinum-Based Chemotherapy in Non-Small Cell Lung Cancer. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Martin WG, Galligan J, Simpson S, Greenaway T, Burgess J. Admission blood glucose predicts mortality and length of stay in patients admitted through the emergency department. Intern Med J 2016; 45:916-24. [PMID: 26109328 DOI: 10.1111/imj.12841] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Accepted: 06/03/2015] [Indexed: 11/27/2022]
Abstract
BACKGROUND Hyperglycaemia has been associated with adverse outcomes in several different hospital populations. AIM The aim of this study was to investigate the relationship between admission blood glucose level (BGL) and outcomes in all patients admitted through the emergency department. METHODS This study was a retrospective observational cohort study from an Australian tertiary referral hospital. Patients admitted in the first week of each month from April to October 2012 had demographic data, co-morbidities, BGL, intensive care unit admission, length of stay and dates of death recorded. Factors associated with outcomes were assessed by multi-level mixed-effects linear regression. RESULTS Admission BGL was recorded for 601 admissions with no diagnosis of diabetes and for 219 admissions diagnosed with type 2 diabetes (T2DM). In patients with no diagnosis of diabetes, admission BGL was associated with in-hospital and 90-day mortality (P < 0.001). After multivariate analysis, BGL greater than 11.5 mmol/L was significantly associated with increased mortality at 90 days (P < 0.05). In patients with T2DM increased BGL on admission was not associated with in-hospital or 90-day mortality but was associated with length of hospital stay (β: 0.22 days/mmol/L; 95% confidence interval 0.09-0.35; P < 0.001), although this association was lost on multivariable analysis. In patients with T2DM, increased coefficient of variation of BGL was also positively associated with length of hospital stay in an almost dose-dependent fashion (P < 0.001). CONCLUSION Admission BGL was independently associated with increased mortality in patients with no diagnosis of diabetes. Glycaemic variability was associated with increased length of hospital stay in patients with T2DM.
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Affiliation(s)
- W G Martin
- Department of Medicine, St Vincent's Hospital Melbourne, Melbourne, Victoria, Australia
| | - J Galligan
- Department of Medicine, Royal Hobart Hospital, Hobart, Tasmania, Australia
| | - S Simpson
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - T Greenaway
- Clinical Endocrinology, Royal Hobart Hospital, Hobart, Tasmania, Australia.,School of Medicine, University of Tasmania, Hobart, Tasmania, Australia
| | - J Burgess
- Endocrinology Laboratory, Royal Hobart Hospital, Hobart, Tasmania, Australia.,School of Medicine, University of Tasmania, Hobart, Tasmania, Australia
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O'Byrne K, Adams M, Burgess J, Richard D. 24P CDCA3 regulates the cell cycle and modulates cisplatin sensitivity in non-small cell lung cancer. J Thorac Oncol 2016. [DOI: 10.1016/s1556-0864(16)30138-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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27
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Graif A, Burgess J, Wilson S, Garcia M, Leung D, Grilli C. A comparison of caesarean hysterectomy for abnormal placentation with and without internal iliac artery balloon occlusion. J Vasc Interv Radiol 2016. [DOI: 10.1016/j.jvir.2015.12.410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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28
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De Jager PL, Srivastava G, Lunnon K, Burgess J, Schalkwyk LC, Yu L, Eaton ML, Keenan BT, Ernst J, McCabe C, Tang A, Raj T, Replogle J, Brodeur W, Gabriel S, Chai HS, Younkin C, Younkin SG, Zou F, Szyf M, Epstein CB, Schneider JA, Bernstein BE, Meissner A, Ertekin-Taner N, Chibnik LB, Kellis M, Mill J, Bennett DA. Alzheimer's disease: early alterations in brain DNA methylation at ANK1, BIN1, RHBDF2 and other loci. Nat Neurosci 2014; 17:1156-63. [PMID: 25129075 PMCID: PMC4292795 DOI: 10.1038/nn.3786] [Citation(s) in RCA: 612] [Impact Index Per Article: 61.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Accepted: 07/16/2014] [Indexed: 02/07/2023]
Abstract
Here, we leverage a unique collection of 708 prospectively collected autopsied brains to assess the methylation state of the brain's DNA in relation to Alzheimer's disease (AD). We find that the level of methylation at 71 of the 415,848 interrogated CpGs is significantly associated with the burden of AD pathology, including CpGs in the ABCA7 and BIN1 regions, which harbor known AD susceptibility variants. We validate 11 of the differentially methylated regions in an independent set of 117 subjects. Further, we functionally validate these CpG associations and identify the nearby genes whose RNA expression is altered in AD: ANK1, CDH23, DIP2A, RHBDF2, RPL13, RNF34, SERPINF1 and SERPINF2. Our analyses suggest that these DNA methylation changes may have a role in the onset of AD since (1) they are seen in presymptomatic subjects and (2) six of the validated genes connect to a known AD susceptibility gene network.
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Affiliation(s)
- Philip L De Jager
- 1] Program in Translational NeuroPsychiatric Genomics, Institute for the Neurosciences, Departments of Neurology and Psychiatry, Brigham and Women's Hospital, Boston, Massachusetts, USA. [2] Harvard Medical School, Boston, Massachusetts, USA. [3] Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts, USA
| | - Gyan Srivastava
- 1] Program in Translational NeuroPsychiatric Genomics, Institute for the Neurosciences, Departments of Neurology and Psychiatry, Brigham and Women's Hospital, Boston, Massachusetts, USA. [2] Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts, USA
| | - Katie Lunnon
- 1] University of Exeter Medical School, University of Exeter, Exeter, UK. [2] Institute of Psychiatry, King's College London, London, UK
| | - Jeremy Burgess
- 1] Department of Neuroscience, Mayo Clinic, Jacksonville, Florida, USA. [2] Department of Neurology, Mayo Clinic, Jacksonville, Florida, USA
| | - Leonard C Schalkwyk
- 1] University of Exeter Medical School, University of Exeter, Exeter, UK. [2] Institute of Psychiatry, King's College London, London, UK
| | - Lei Yu
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, Illinois, USA
| | - Matthew L Eaton
- 1] Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts, USA. [2] Computer Science and Artificial Intelligence Laboratory (CSAIL), Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Brendan T Keenan
- 1] Program in Translational NeuroPsychiatric Genomics, Institute for the Neurosciences, Departments of Neurology and Psychiatry, Brigham and Women's Hospital, Boston, Massachusetts, USA. [2] Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts, USA
| | - Jason Ernst
- 1] Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts, USA. [2] Computer Science and Artificial Intelligence Laboratory (CSAIL), Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Cristin McCabe
- Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts, USA
| | - Anna Tang
- Program in Translational NeuroPsychiatric Genomics, Institute for the Neurosciences, Departments of Neurology and Psychiatry, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Towfique Raj
- 1] Program in Translational NeuroPsychiatric Genomics, Institute for the Neurosciences, Departments of Neurology and Psychiatry, Brigham and Women's Hospital, Boston, Massachusetts, USA. [2] Harvard Medical School, Boston, Massachusetts, USA. [3] Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts, USA
| | - Joseph Replogle
- 1] Program in Translational NeuroPsychiatric Genomics, Institute for the Neurosciences, Departments of Neurology and Psychiatry, Brigham and Women's Hospital, Boston, Massachusetts, USA. [2] Harvard Medical School, Boston, Massachusetts, USA. [3] Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts, USA
| | - Wendy Brodeur
- Genetic Analysis Platform, Broad Institute, Cambridge, Massachusetts, USA
| | - Stacey Gabriel
- Genetic Analysis Platform, Broad Institute, Cambridge, Massachusetts, USA
| | - High S Chai
- 1] Department of Neuroscience, Mayo Clinic, Jacksonville, Florida, USA. [2] Department of Neurology, Mayo Clinic, Jacksonville, Florida, USA
| | - Curtis Younkin
- Department of Neuroscience, Mayo Clinic, Jacksonville, Florida, USA
| | - Steven G Younkin
- Department of Neuroscience, Mayo Clinic, Jacksonville, Florida, USA
| | - Fanggeng Zou
- Department of Neuroscience, Mayo Clinic, Jacksonville, Florida, USA
| | - Moshe Szyf
- Department of Pharmacology and Therapeutics, McGill University, Montreal, Québec, Canada
| | | | - Julie A Schneider
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, Illinois, USA
| | - Bradley E Bernstein
- 1] Harvard Medical School, Boston, Massachusetts, USA. [2] Epigenomics Program, Broad Institute, Cambridge, Massachusetts, USA. [3] Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Alex Meissner
- 1] Computer Science and Artificial Intelligence Laboratory (CSAIL), Massachusetts Institute of Technology, Cambridge, Massachusetts, USA. [2] Epigenomics Program, Broad Institute, Cambridge, Massachusetts, USA. [3] Harvard Stem Cell Institute, Harvard University, Cambridge, Massachusetts, USA
| | - Nilufer Ertekin-Taner
- 1] Department of Neuroscience, Mayo Clinic, Jacksonville, Florida, USA. [2] Department of Neurology, Mayo Clinic, Jacksonville, Florida, USA
| | - Lori B Chibnik
- 1] Program in Translational NeuroPsychiatric Genomics, Institute for the Neurosciences, Departments of Neurology and Psychiatry, Brigham and Women's Hospital, Boston, Massachusetts, USA. [2] Harvard Medical School, Boston, Massachusetts, USA. [3] Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts, USA
| | - Manolis Kellis
- 1] Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts, USA. [2] Computer Science and Artificial Intelligence Laboratory (CSAIL), Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Jonathan Mill
- 1] University of Exeter Medical School, University of Exeter, Exeter, UK. [2] Institute of Psychiatry, King's College London, London, UK
| | - David A Bennett
- Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, Illinois, USA
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Allen M, Serie D, Sun Z, Baheti S, Walsh M, Zou F, Chai HS, Younkin C, Siuda J, Burgess J, Crook J, Pancratz VS, Carrasquillo MM, Nair A, Middha S, Maharjan S, Nguyen T, Ma L, Malphrus K, Lincoln S, Bisceglio G, Ordog T, Petersen RC, Dickson DW, Graff‐Radford NR, Younkin S, Asmann Y, Ertekin‐Taner N. O3‐04‐06: GENE EXPRESSION PROFILING AND DNA METHYLATION IN ALZHEIMER'S DISEASE BRAINS. Alzheimers Dement 2014. [DOI: 10.1016/j.jalz.2014.04.291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | - Zhifu Sun
- Mayo Clinic MinnesotaRochesterMinnesotaUnited States
| | | | - Mike Walsh
- Mayo Clinic FloridaJacksonvilleFloridaUnited States
| | | | | | | | | | | | - Julia Crook
- Mayo Clinic FloridaJacksonvilleFloridaUnited States
| | | | | | - Asha Nair
- Mayo ClinicRochesterMinnesotaUnited States
| | | | | | - Thuy Nguyen
- Mayo Clinic FloridaJacksonvilleFloridaUnited States
| | - Li Ma
- Mayo Clinic JacksonvilleJacksonvilleFloridaUnited States
| | | | - Sarah Lincoln
- Mayo Clinic JacksonvilleJacksonvilleFloridaUnited States
| | | | - Tamas Ordog
- Mayo Clinic MinnesotaRochesterMinnesotaUnited States
| | | | | | | | | | - Yan Asmann
- Mayo Clinic FloridaJacksonvilleFloridaUnited States
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Morais Diane JM, Burgess J. Vitamin E nanoemulsions characterization and analysis. Int J Pharm 2014; 465:455-63. [DOI: 10.1016/j.ijpharm.2014.02.034] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2013] [Revised: 02/12/2014] [Accepted: 02/15/2014] [Indexed: 11/16/2022]
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Clancy L, Brown R, Burgess J, Simms R, Blyth E, Micklethwaite K, Gottlieb D. Establishment of an australian bank of third party antiviral cytotoxic T lymphocytes (CTL). Cytotherapy 2013. [DOI: 10.1016/j.jcyt.2013.01.142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Ma C, Blyth E, Clancy L, Simms R, Burgess J, Micklethwaite K, Gottlieb D. Prophylactic infusion of multi-virus specific T cells for management of viral reactivation and infection in patients post allogeneic hematopoietic stem cell transplantation (HSCT). Cytotherapy 2013. [DOI: 10.1016/j.jcyt.2013.01.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Abstract
Dry mouth can be caused by medication, CPAP use, radiation treatment and a variety of connective tissue diseases, with the prevalence increasing with age. In most individuals, daytime dryness is easily managed. However, except for a new product tested in this study, there is no product lasting longer than an hour that can be used at night to reduce the perception of oral dryness while sleeping. The purpose of this study was to assess whether a self-adhering, slowly dissolving disc that time-releases 500 mg of xylitol, cellulose gum (lubricant and humectant) and mild mint flavour (XyliMelts for Dry Mouth, OraHealth Corp.) used during sleep would reduce perceived morning oral dryness and discomfort. Fifteen subjects self-identified as having morning oral dryness were evaluated first without treatment and again with the use of XyliMelts for Dry Mouth. Measures of initial morning discomfort and perceived wetness demonstrated significant improvement. Perceived oral wetness scores increased more than threefold with the use of XyliMelts for Dry Mouth while sleeping. These findings suggest that XyliMelts for Dry Mouth may be an effective strategy for managing oral dryness that occurs at night.
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Affiliation(s)
- J Burgess
- Oral Care Research Associates, Seattle, WA 98115, USA.
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Frankel ES, Evans TL, Burgess J, Desai K, Qing LS, Langer CJ, Mao J. Supportive/palliative care use among patients with lung cancer: Rates and barriers. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.e19608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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35
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Ding C, Parameswaran V, Blizzard L, Burgess J, Jones G. Not a simple fat-soluble vitamin: Changes in serum 25-(OH)D levels are predicted by adiposity and adipocytokines in older adults. J Intern Med 2010; 268:501-10. [PMID: 20804516 DOI: 10.1111/j.1365-2796.2010.02267.x] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
OBJECTIVE To determine the associations between body adiposity and change in serum 25-(OH)D levels over 2.6 years, and if these associations are mediated by metabolic and inflammatory factors in older adults. METHODS This is a longitudinal study of 859 randomly selected subjects (mean 62 years, range 51-80, 49% women). Serum 25-hydroxyvitamin D [25-(OH)D] was assessed by radioimmunoassay at baseline and 2.6 years later. Baseline serum level of leptin was assessed by radioimmunoassay and interleukin (IL)-6 by a chemiluminescent immunoassay in the first 183 subjects. RESULTS In multivariable analyses, body mass index, trunk fat percentage and waist-to-hip ratio were significant predictors of increased incident vitamin D deficiency [a 25-(OH)D < 50 nmol L⁻¹ at follow-up when ≥50 nmol L⁻¹ at baseline] and decreased recovery of vitamin D deficiency [a 25-(OH)D ≥ 50 nmol L⁻¹ at follow-up when < 50 nmol L⁻¹ at baseline]. Change in 25-(OH)D levels per annum was also independently predicted by baseline leptin (β: -0.09/unit, 95% CI: -0.17, -0.03), IL-6 (β: -0.68/quartile, 95% CI: -1.35, -0.02) and total cholesterol/high-density lipoprotein (HDL) ratio (β: -0.51, 95% CI: -0.88, -0.14). The associations between body adiposity measures and change in 25-(OH)D completely disappeared after adjustment for leptin, diminished after adjustment for IL-6, but remained unchanged after adjustment for total cholesterol/HDL ratio. All associations were independent of season and sun exposure. CONCLUSIONS Body fat is not simply a passive reservoir for 25-(OH)D. In addition to season and sun exposure, 25-(OH)D levels appear to be determined by metabolic and, to a lesser extent, inflammatory factors, and these appear to mediate the effects of adiposity on change in 25-(OH)D.
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Affiliation(s)
- C Ding
- Menzies Research Institute, University of Tasmania, Hobart, Tas., Australia.
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Davis S, Lee J, Burgess J, Bland J, Miller C, Patierno S. 458: An Emergency Department-Based Model for Providing Colorectal Cancer Screening and Identifying Barriers to Care. Ann Emerg Med 2010. [DOI: 10.1016/j.annemergmed.2010.06.501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Ertekin-Taner N, Burgess J, Hirpa M, Nguyen T, Li M, Fanggeng Z, Younkin SG, Crook JE, Pankratz V, Petersen RC, Graff-Radford NR, Pedraza O. P1‐098: Association of common KIBRA variants with episodic memory and Alzheimer risk. Alzheimers Dement 2010. [DOI: 10.1016/j.jalz.2010.05.646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | | | | | | | - Ma Li
- Mayo ClinicJacksonville FL USA
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Horn MJ, Van Emon ML, Gunn PJ, Eicher SD, Lemenager RP, Burgess J, Pyatt N, Lake SL. Effects of maternal natural (RRR alpha-tocopherol acetate) or synthetic (all-rac alpha-tocopherol acetate) vitamin E supplementation on suckling calf performance, colostrum immunoglobulin G, and immune function. J Anim Sci 2010; 88:3128-35. [PMID: 20495133 DOI: 10.2527/jas.2009-2035] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
The objective of this study was to determine the effects of maternally supplemented natural- or synthetic-source vitamin E on suckling calf performance and immune response. In a 2-yr study, one hundred fifty-two 2- and 3-yr-old, spring-calving, Angus-cross beef cows were blocked by age, BW, and BCS into 1 of 3 isocaloric, corn-based dietary supplements containing 1) no additional vitamin E (CON), 2) 1,000 IU/d of synthetic-source vitamin E (SYN), or 3) 1,000 IU/d of natural-source vitamin E (NAT). Maternal supplementation began approximately 6 wk prepartum and continued until the breeding season. Colostrum from cows and blood from calves was collected 24 h postpartum for analysis of IgG concentration as an indicator of passive transfer and circulating alpha-tocopherol concentration. At 19 d of age, blood was collected from calves to determine the expression of CD14 and CD18 molecules on leukocytes. At 21 and 35 d of age, humoral immune response was measured by a subcutaneous injection, in the neck, with ovalbumin (20 mg; OVA) and blood samples collected weekly until d 63 of age to determine antibodies produced against OVA. At d 63 of age, calves were administered an intradermal injection of OVA (1 mg) in the neck to assess cell-mediated immunity, which was determined on d 65 of age by measuring nodule size with calipers. Circulating alpha-tocopherol concentrations were increased at both 24 h (P = 0.001) and at the day of initial OVA challenge (P < 0.001) in SYN and NAT compared with CON calves. No differences were detected (P > 0.05) for calf birth BW, ADG, or weaning BW. There were no differences (P > 0.05) in calf serum total IgG or cow colostrum total IgG at 24 h or presence of CD14 and CD18 receptors at d 19 of age. The NAT calves had a greater antigen response to OVA at d 63 than SYN calves (P = 0.01; treatment x day interaction). As an indicator of cell-mediated immunity to OVA, nodule size at 65 d of age was not affected (P = 0.92) by maternal dietary supplementation. In conclusion, calves suckling cows supplemented with natural- and synthetic-source vitamin E had increased circulating concentrations of alpha-tocopherol at 24 h, which appeared to continue throughout maternal supplementation; however, calf immune function and performance were not affected.
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Affiliation(s)
- M J Horn
- Department of Animal Sciences, Purdue University, West Lafayette, IN 47907, USA
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Horn M, Gunn P, Van Emon M, Lemenager R, Burgess J, Pyatt NA, Lake SL. Effects of natural (RRR alpha-tocopherol acetate) or synthetic (all-rac alpha-tocopherol acetate) vitamin E supplementation on reproductive efficiency in beef cows. J Anim Sci 2010; 88:3121-7. [PMID: 20495121 DOI: 10.2527/jas.2009-1807] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The objective was to determine the effects of natural- or synthetic-source vitamin E on reproductive efficiency in Angus-cross beef cows. In Exp. 1, one hundred fifty-two cows were fed hay and corn silage based diet and assigned to 1 of 3 dietary supplements (3 pens/treatment): 1) containing no additional vitamin E (CON), 2) formulated to provide 1,000 IU x d(-1) of synthetic-source vitamin E (SYN; all-rac or dl-alpha-tocopherol acetate), or 3) formulated to provide 1,000 IU x d(-1) of natural-source vitamin E (NAT; RRR or D-alpha-tocopherol acetate). In Exp. 2, seventy-five cows (2 reps/treatment) were assigned to similar treatments as Exp. 1; however, a vitamin-mineral supplement was offered for ad libitum intake and vitamin intake was calculated from predicted mineral intakes. Cows grazed pastures rather than being fed hay and corn silage as in Exp. 1. In Exp. 1 and 2, supplementation began 6 wk prepartum and continued until initiation of the breeding season. Blood samples were collected at calving (Exp. 1) or breeding (Exp. 2) to determine alpha-tocopherol concentration and weekly beginning 4 wk postpartum (Exp. 1) or 7 and 14 d before estrus synchronization (Exp. 2) to determine return to estrus via progesterone concentration. Cows were synchronized and bred by AI based on heat detection; nonresponding cows were time bred (AI) 66 h after PGF(2 alpha) injection, and cows returning to estrus after AI were bred by natural service. In Exp. 1, cows supplemented with NAT and SYN had greater (P < 0.001) serum concentrations of alpha-tocopherol at calving compared with CON cows. Dietary supplement did not affect (P >or= 0.55) the percentage of cows cycling before synchronization or the number of days to return to estrus by cows that resumed estrus before synchronization. Cows supplemented with SYN tended to have greater first service conception rates compared with CON and NAT (P = 0.09); however, first plus second services combined and overall conception rates were not affected (P >or= 0.23). In Exp. 2, NAT cows had greater (P = 0.002) concentrations of alpha-tocopherol at breeding, whereas there was no difference (P > 0.05) between SYN and CON. Supplementation of SYN or NAT did not affect (P >or= 0.17) days to resumption of estrus before breeding, first service, first plus second services combined, or overall conception rates. These data suggest that supplementation of SYN or NAT source vitamin E increased alpha-tocopherol concentration in cows; however, effects on reproductive efficiency are minimal.
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Affiliation(s)
- M Horn
- Department of Animal Sciences, Purdue University, West Lafayette, IN 47907, USA
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Pryor JA, Tannenbaum E, Scott SF, Burgess J, Cramer D, Gyi K, Hodson ME. Beyond postural drainage and percussion: Airway clearance in people with cystic fibrosis. J Cyst Fibros 2010; 9:187-92. [PMID: 20153269 DOI: 10.1016/j.jcf.2010.01.004] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2009] [Revised: 12/29/2009] [Accepted: 01/14/2010] [Indexed: 10/19/2022]
Abstract
BACKGROUND Evidence indicates that there are no statistically significant differences in effectiveness among the airway clearance techniques (ACTs) of active cycle of breathing, autogenic drainage, positive expiratory pressure (PEP) or oscillating PEP in the short-term, but are there differences in the long-term (one year)? The objective of the study was to demonstrate non-inferiority in the long-term. METHODS Seventy-five people with cystic fibrosis entered the prospective, randomised controlled trial of these five different ACTs. The primary outcome measure was forced expiratory volume in one second (FEV(1)). Secondary outcome measures included exercise capacity and health related quality of life. RESULTS Using intention to treat, data were available on 65 subjects at the end of the study period. There were no statistically significant differences among the regimens in the primary outcome measurement of FEV(1) (p=0.35). CONCLUSION In different countries either one or several airway clearance regimens are used. This study provides evidence in support of current practices.
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Affiliation(s)
- J A Pryor
- Department of Cystic Fibrosis, Royal Brompton & Harefield NHS Foundation Trust, London SW3 6NP, UK
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Leissring MA, Reinstatler L, Sahara T, Sevlever D, Roman R, Ji Z, Li L, Lu Q, Säftig P, Levites Y, Golde TE, Burgess J, Ertekin‐Taner N, Eckman EA. O4‐03‐07: Cathepsin D knockout mice harbor large and highly selective increases in cerebral Aß42 and tau: Implications for Alzheimer's disease pathogenesis. Alzheimers Dement 2009. [DOI: 10.1016/j.jalz.2009.05.537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Malcolm A. Leissring
- Mayo ClinicJacksonvilleFLUSA
- The Scripps Research InstituteScripps FloridaJupiterFLUSA
| | | | | | | | | | - Zhao Ji
- The Scripps Research InstituteScripps FloridaJupiterFLUSA
| | - Lilin Li
- The Scripps Research InstituteScripps FloridaJupiterFLUSA
| | - Qun Lu
- The Scripps Research InstituteScripps FloridaJupiterFLUSA
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Ding C, Parameswaran V, Cicuttini F, Burgess J, Zhai G, Quinn S, Jones G. Association between leptin, body composition, sex and knee cartilage morphology in older adults: the Tasmanian older adult cohort (TASOAC) study. Ann Rheum Dis 2007; 67:1256-61. [DOI: 10.1136/ard.2007.082651] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Garner CE, Sloan C, Sumner SCJ, Burgess J, Davis J, Etheridge A, Parham A, Ghanayem BI. CYP2E1-Catalyzed Oxidation Contributes to the Sperm Toxicity of 1-Bromopropane in Mice1. Biol Reprod 2007; 76:496-505. [PMID: 17093198 DOI: 10.1095/biolreprod.106.055004] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [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] [Indexed: 11/01/2022] Open
Abstract
1-bromopropane (1-BrP) induces dose- and time-dependent reproductive organ toxicity and reduced sperm motility in rodents. The contribution of cytochrome P4502E1 (CYP2E1) to both 1-BrP metabolism and the induction of male reproductive toxicity was investigated using wild-type (WT) and Cyp2e1-/- mice. In gas uptake inhalation studies, the elimination half-life of [1,2,3-(13)C]-1-BrP was longer in Cyp2e1-/- mice relative to WT (3.2 vs. 1.3 h). Urinary metabolites were identified by 13C nuclear magnetic resonance. The mercapturic acid of 1-bromo-2-hydroxypropane (2OHBrP) was the major urinary metabolite in WT mice, and products of conjugation of 1-BrP with glutathione (GSH) were insignificant. The ratio of GSH conjugation to 2-hydroxylation increased 5-fold in Cyp2e1-/- mice relative to WT. After 1-BrP exposure, hepatic GSH was decreased by 76% in WT mice vs. 47% in Cyp2e1-/- mice. Despite a 170% increase in 1-BrP exposure in Cyp2e1-/- vs. WT mice, sperm motility in exposed Cyp2e1-/- mice did not change relative to unexposed matched controls. This suggests that metabolites produced through CYP2E1-mediated oxidation may be responsible for 1-BrP-induced sperm toxicity. Both 1-BrP and 2OHBrP inhibited the motility of sperm obtained from WT mice in vitro. However, only 2OHBrP reduced the motility of sperm obtained from Cyp2e1-/- mice in vitro, suggesting that conversion of parent compound to 2OHBrP within the spermatozoa may contribute, at least in part, to reduced motility. Overall, these data suggest that metabolism of 1-BrP is mediated in part by CYP2E1, and activation of 1BrP via this enzyme may contribute to the male reproductive toxicity of this chemical.
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Affiliation(s)
- C Edwin Garner
- RTI International, Research Triangle Park, North Carolina 27709, USA.
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Warner JV, Nyholt DR, Busfield F, Epstein M, Burgess J, Stranks S, Hill P, Perry-Keene D, Learoyd D, Robinson B, Teh BT, Prins JB, Cardinal JW. Familial isolated hyperparathyroidism is linked to a 1.7 Mb region on chromosome 2p13.3-14. J Med Genet 2006; 43:e12. [PMID: 16525030 PMCID: PMC2563254 DOI: 10.1136/jmg.2005.035766] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND Familial isolated hyperparathyroidism (FIHP) is an autosomal dominantly inherited form of primary hyperparathyroidism. Although comprising only about 1% of cases of primary hyperparathyroidism, identification and functional analysis of a causative gene for FIHP is likely to advance our understanding of parathyroid physiology and pathophysiology. METHODS A genome-wide screen of DNA from seven pedigrees with FIHP was undertaken in order to identify a region of genetic linkage with the disorder. RESULTS Multipoint linkage analysis identified a region of suggestive linkage (LOD score 2.68) on chromosome 2. Fine mapping with the addition of three other families revealed significant linkage adjacent to D2S2368 (maximum multipoint LOD score 3.43). Recombination events defined a 1.7 Mb region of linkage between D2S2368 and D2S358 in nine pedigrees. Sequencing of the two most likely candidate genes in this region, however, did not identify a gene for FIHP. CONCLUSIONS We conclude that a causative gene for FIHP lies within this interval on chromosome 2. This is a major step towards eventual precise identification of a gene for FIHP, likely to be a key component in the genetic regulation of calcium homeostasis.
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Pryor J, Tannenbaum E, Cramer D, Scott S, Burgess J, Gyi K, Hodson M. 347 A comparison of five airway clearance techniques in the treatment of people with Cystic Fibrosis. J Cyst Fibros 2006. [DOI: 10.1016/s1569-1993(06)80294-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Derby MP, McNally J, Ranger-Moore J, Hulette L, Villar R, Hysong T, MacNeill E, Lebowitz M, Burgess J. Poison Control Center--based syndromic surveillance for foodborne illness. MMWR Suppl 2005; 54:35-40. [PMID: 16177691] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2023] Open
Abstract
OBJECTIVES This retrospective study evaluated the usefulness of a poison control center (PCC) data collection system in Tucson, Arizona for early detection of foodborne disease outbreaks. METHODS A search of a PCC database identified callers with gastrointestinal symptoms attributable to suspected foodborne illnesses whose calls were received during January 1-March 31, 2000. For each foodborne illness-related call, PCC coding was compared with a predefined diarrhea/gastroenteritis syndrome. PCC calls also were evaluated by using ZIP code, age, sex, and date of symptom onset to determine if call classifications matched any laboratory-confirmed cases reported to a county health department. RESULTS An independent review generally agreed with the PCC's classification of calls. When calls and cases were compared, only one potential match was identified. CONCLUSION Although confirmatory diagnostic information was not available, PCC calls were not duplicative of cases evaluated by the county health department, which suggests that they represent two independent data sets. PCC data might provide a useful addition to surveillance data reported to public health agencies for the early detection of foodborne disease outbreaks. These results will now be used to develop collaborative prospective surveillance systems.
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Affiliation(s)
- Mary P Derby
- Environmental and Community Health, Mel and Enid Zuckerman College of Public Health, The University of Arizona, Tucson, Arizona 85719, USA.
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Warner J, Epstein M, Sweet A, Singh D, Burgess J, Stranks S, Hill P, Perry-Keene D, Learoyd D, Robinson B, Birdsey P, Mackenzie E, Teh BT, Prins JB, Cardinal J. Genetic testing in familial isolated hyperparathyroidism: unexpected results and their implications. J Med Genet 2004; 41:155-60. [PMID: 14985373 PMCID: PMC1735699 DOI: 10.1136/jmg.2003.016725] [Citation(s) in RCA: 131] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Familial hyperparathyroidism is not uncommon in clinical endocrine practice. It encompasses a spectrum of disorders including multiple endocrine neoplasia types 1 (MEN1) and 2A, hyperparathyroidism-jaw tumour syndrome (HPT-JT), familial hypocalciuric hypercalcaemia (FHH), and familial isolated hyperparathyroidism (FIHP). Distinguishing among the five syndromes is often difficult but has profound implications for the management of patient and family. The availability of specific genetic testing for four of the syndromes has improved diagnostic accuracy and simplified family monitoring in many cases but its current cost and limited accessibility require rationalisation of its use. No gene has yet been associated exclusively with FIHP. FIHP phenotypes have been associated with mutant MEN1 and calcium-sensing receptor (CASR) genotypes and, very recently, with mutation in the newly identified HRPT2 gene. The relative proportions of these are not yet clear. We report results of MEN1, CASR, and HRPT2 genotyping of 22 unrelated subjects with FIHP phenotypes. We found 5 (23%) with MEN1 mutations, four (18%) with CASR mutations, and none with an HRPT2 mutation. All those with mutations had multiglandular hyperparathyroidism. Of the subjects with CASR mutations, none were of the typical FHH phenotype. These findings strongly favour a recommendation for MEN1 and CASR genotyping of patients with multiglandular FIHP, irrespective of urinary calcium excretion. However, it appears that HRPT2 genotyping should be reserved for cases in which other features of the HPT-JT phenotype have occurred in the kindred. Also apparent is the need for further investigation to identify additional genes associated with FIHP.
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Affiliation(s)
- J Warner
- Department of Diabetes and Endocrinology, Princess Alexandra Hospital, Ipswich Rd, Woolloongabba 4102, Qld, Australia
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Parr TW, Sier ARJ, Battarbee RW, Mackay A, Burgess J. Detecting environmental change: science and society-perspectives on long-term research and monitoring in the 21st century. Sci Total Environ 2003; 310:1-8. [PMID: 12812725 DOI: 10.1016/s0048-9697(03)00257-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Widespread concern over the state of the environment and the impacts of anthropogenic activities on ecosystem services and functions has highlighted the need for high-quality, long-term datasets for detecting and understanding environmental change. In July 2001, an international conference reviewed progress in the field of long-term ecosystem research and monitoring (LTERM). Examples are given which demonstrate the need for long-term environmental monitoring and research, for palaeoecological reconstructions of past environments and for applied use of historical records that inform us of past environmental conditions. LTERM approaches are needed to provide measures of baseline conditions and for informing decisions on ecosystem management and environmental policy formulation. They are also valuable in aiding the understanding of the processes of environmental change, including the integrated effects of natural and anthropogenic drivers and pressures, recovery from stress and resilience of species, populations, communities and ecosystems. The authors argue that, in order to realise the full potential of LTERM approaches, progress must be made in four key areas: (i) increase the number, variety and scope of LTERM activities to help define the operational range of ecosystems; (ii) greater integration of research, monitoring, modelling, palaeoecological reconstruction and remote sensing to create a broad-scale early warning system of environmental change; (iii) development of inter-disciplinary approaches which draw upon social and environmental science expertise to understand the factors determining the vulnerability and resilience of the nature-society system to change; and (iv) more and better use of LTERM data and information to inform the public and policymakers and to provide guidance on sustainable development.
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Affiliation(s)
- T W Parr
- Centre for Ecology and Hydrology, Merlewood, Windermere Road, Grange-Over-Sands, LA5 0EY, Cumbria, UK.
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Burgess J, Mills B, Griffith M, Mansour V, Weaver CH, Schwartzberg LS, Snyder EL, Krause DS, Yanovich S, Prilutskaya M, Umiel T, Moss TJ. Breast tumor contamination of PBSC harvests: tumor depletion by positive selection of CD34(+) cells. Cytotherapy 2002; 3:285-94. [PMID: 12171717 DOI: 10.1080/146532401317070925] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
BACKGROUND Positive selection of CD34(+) cells may reduce or eliminate tumor cells contaminating PBSC harvests of breast cancer (BrCa) patients. However, to assess tumor purging accurately methods may be needed that are of higher sensitivity than standard immunocytochemistry (ICC) assays. METHODS BrCa-cell depletion, resulting from CD34(+) cell selection, was evaluated using a novel, highly sensitive assay based upon immunomagnetic enrichment with ICC detection in 36 BrCa patients undergoing highdose chemotherapy with autologous PBSC support. RESULTS The prevalence of BrCa-cell contamination was significantly lower (P = 0.0078) in selected CD34(+) cell fractions (17/35, 49%) from apheresis collections compared with CD34(-) cell fractions (25/35, 71%). In 8/34 (24%) patients, BrCa cells were detected in CD34(-) cell fractions, but not in paired CD34(+) cell fractions. Significantly lower total numbers (P < 0.0005) of BrCa cells were enumerable in CD34(+) cell fractions compared with corresponding apheresis harvests. The median total BrCa-cell content of selected CD34(+) cell fractions with measurable contamination was 22 BrCa cells (range, 6-73 BrCa cells), compared with 3297 BrCa cells (range, 10-98 400 BrCa cells) in apheresis harvests. The median log depletion of BrCa cells achieved by positive CD34(+) cell selection in specimens with detectable contamination both before and after selection was 2.2 (range, 1.7-4.0). Total pre-selection BrCa cell number was significantly predictive (P = 0.004) of residual detectable post-selection contamination. DISCUSSION Positive CD34(+) cell selection is an effective tumor purging strategy. The prevalence of PBSC contamination in BrCa patients is substantially higher than formerly appreciated.
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Affiliation(s)
- J Burgess
- Nexell Therapeutics Inc., Irvine, California 92618-1605, USA
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