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Mak Q, Madden J, Ahmed Z, Kum F, Makanjuola J, Cakir O. 541 Pre-Operative Assessment of Patients Undergoing Elective TURBT or Rigid Cystoscopy + Bladder Biopsy: Is a Group & Save Clinically Required? Br J Surg 2022. [PMCID: PMC9452096 DOI: 10.1093/bjs/znac269.349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Aim Method Results Conclusions
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Affiliation(s)
- Q Mak
- King's College London, London, United Kingdom
| | - J Madden
- King's College London, London, United Kingdom
| | - Z Ahmed
- King's College London, London, United Kingdom
| | - F Kum
- King's College Hospital, London, United Kingdom,King's College London, London, United Kingdom
| | | | - O Cakir
- King's College Hospital, London, United Kingdom
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Madden J, Vaughan E, Thompson M, O' Riordan A, Galvin P, Iacopino D, Rodrigues Teixeira S. Electrochemical sensor for enzymatic lactate detection based on laser-scribed graphitic carbon modified with platinum, chitosan and lactate oxidase. Talanta 2022; 246:123492. [PMID: 35487014 DOI: 10.1016/j.talanta.2022.123492] [Citation(s) in RCA: 5] [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: 11/15/2021] [Revised: 03/01/2022] [Accepted: 04/15/2022] [Indexed: 12/20/2022]
Abstract
We developed a flexible laser scribed graphitic carbon based lactate biosensor fabricated using a low cost 450 nm laser. We demonstrated a facile fabrication method involving electrodeposition of platinum followed by two casting steps for modification with chitosan and lactate oxidase. The biosensor demonstrated chronoamperometric lactate detection within a linear range from 0.2 mM to 3 mM, (R2 > 0.99), with a limit of detection of 0.11 mM and a sensitivity of 35.8 μA/mM/cm2. The biosensor was successful in performing up to 10 consecutive measurements (one after the other) indicating good working stability (RSD <5%). Concerning storage stability, there was no decrease in signal response after 30 days of storage at 4 °C. Additionally, we demonstrate enzymatic lactate detection whilst the flexible polyimide substrates were fixed at a curvature (K) of 0.14 mm-1. No noticeable change in signal response was observed in comparison to calibrations obtained at a curvature of 0 mm-1, signifying potential opportunities for sensor attachment or integration with oral-care products such as mouth swabs. Both laser scribed graphitic carbon and Ag/AgCl modified-laser scribed graphitic carbon were successful as reference electrodes for chronoamperometric lactate measurements. Furthermore, using a three-electrode configuration on polyimide, lactate detection in both artificial saliva and sterile human serum samples was achieved for two spiked concentrations (0.5 mM and 1 mM).
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Affiliation(s)
- Julia Madden
- Tyndall National Institute, University College Cork, Lee Maltings, Cork, Ireland
| | - Eoghan Vaughan
- Tyndall National Institute, University College Cork, Lee Maltings, Cork, Ireland
| | | | - Alan O' Riordan
- Tyndall National Institute, University College Cork, Lee Maltings, Cork, Ireland
| | - Paul Galvin
- Tyndall National Institute, University College Cork, Lee Maltings, Cork, Ireland
| | - Daniela Iacopino
- Tyndall National Institute, University College Cork, Lee Maltings, Cork, Ireland.
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Madden J, Barrett C, Laffir FR, Thompson M, Galvin P, O’ Riordan A. On-Chip Glucose Detection Based on Glucose Oxidase Immobilized on a Platinum-Modified, Gold Microband Electrode. Biosensors (Basel) 2021; 11:bios11080249. [PMID: 34436051 PMCID: PMC8392376 DOI: 10.3390/bios11080249] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 07/16/2021] [Accepted: 07/19/2021] [Indexed: 01/07/2023]
Abstract
We report the microfabrication and characterization of gold microband electrodes on silicon using standard microfabrication methods, i.e., lithography and etching techniques. A two-step electrodeposition process was carried out using the on-chip platinum reference and gold counter electrodes, thus incorporating glucose oxidase onto a platinum-modified, gold microband electrode with an o-phenylenediamine and ß-cyclodextrin mixture. The as-fabricated electrodes were studied using optical microscopy, scanning electron microscopy, and atomic force microscopy. The two-step electrodeposition process was conducted in low sample volumes (50 µL) of both solutions required for biosensor construction. Cyclic voltammetry and electrochemical impedance spectroscopy were utilised for electrochemical characterization at each stage of the deposition process. The enzymatic-based microband biosensor demonstrated a linear response to glucose from 2.5-15 mM, using both linear sweep voltammetry and chronoamperometric measurements in buffer-based solutions. The biosensor performance was examined in 30 µL volumes of fetal bovine serum. Whilst a reduction in the sensor sensitivity was evident within 100% serum samples (compared to buffer media), the sensor demonstrated linear glucose detection with increasing glucose concentrations (5-17 mM).
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Affiliation(s)
- Julia Madden
- Tyndall National Institute, University College Cork, T12 R5CP Cork, Ireland; (C.B.); (M.T.); (P.G.)
- Correspondence: (J.M.); (A.O.R.)
| | - Colm Barrett
- Tyndall National Institute, University College Cork, T12 R5CP Cork, Ireland; (C.B.); (M.T.); (P.G.)
| | - Fathima R. Laffir
- Bernal Institute, University of Limerick, V94 T9PX Limerick, Ireland;
| | - Michael Thompson
- Tyndall National Institute, University College Cork, T12 R5CP Cork, Ireland; (C.B.); (M.T.); (P.G.)
- Department of Chemistry, University of Toronto, Toronto, ON M5S 3H6, Canada
| | - Paul Galvin
- Tyndall National Institute, University College Cork, T12 R5CP Cork, Ireland; (C.B.); (M.T.); (P.G.)
| | - Alan O’ Riordan
- Tyndall National Institute, University College Cork, T12 R5CP Cork, Ireland; (C.B.); (M.T.); (P.G.)
- Correspondence: (J.M.); (A.O.R.)
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Madden J, Bayapureddy S, Briesacher B, Zhang F, Ross‐Degnan D, Soumerai S, Gurwitz J, Galbraith A. National Prevalence of Problems Paying Medical Bills and Cost‐Related Delays in Care Among Medicare Enrollees. Health Serv Res 2020. [DOI: 10.1111/1475-6773.13468] [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] Open
Affiliation(s)
- J. Madden
- School of Pharmacy Northeastern University Boston MA United States
- Department of Population Medicine Harvard Medical School and Harvard Pilgrim Health Care Institute Boston MA United States
| | - S. Bayapureddy
- School of Pharmacy Northeastern University Boston MA United States
| | - B. Briesacher
- School of Pharmacy Northeastern University Boston MA United States
| | - F. Zhang
- Department of Population Medicine Harvard Medical School and Harvard Pilgrim Health Care Institute Boston MA United States
| | - D. Ross‐Degnan
- Department of Population Medicine Harvard Medical School and Harvard Pilgrim Health Care Institute Boston MA United States
| | - S. Soumerai
- Department of Population Medicine Harvard Medical School and Harvard Pilgrim Health Care Institute Boston MA United States
| | - J. Gurwitz
- University of Massachusetts Medical School and Meyers Primary Care Institute Worcester MA United States
| | - A. Galbraith
- Department of Population Medicine Harvard Medical School and Harvard Pilgrim Health Care Institute Boston MA United States
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Madden J, O'Mahony C, Thompson M, O'Riordan A, Galvin P. Biosensing in dermal interstitial fluid using microneedle based electrochemical devices. Sensing and Bio-Sensing Research 2020. [DOI: 10.1016/j.sbsr.2020.100348] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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Higgins DL, Robison BJ, Bailey S, Hagen C, Higgins D, Jankow D, Jost K, Kallay K, Kulhanek C, Madden J, Matushek M, Okolo C, Pratt M, Sloan E, Stone J, Tuncan E, Weagent S, Weatherington J. Comparison of MICRO-ID Listeria Method with Conventional Biochemical Methods for Identification of Listeria Isolated From Food and Environmental Samples: Collaborative Study. J AOAC Int 2020. [DOI: 10.1093/jaoac/76.4.831] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
Fourteen laboratories participated in a collaborative study to evaluate the ability of the MICRO-ID Listeria identification method to correctly identify Listeria isolated from food and environmental sources. Each collaborator received 60 isolates consisting of 51 Listeria and 9 non-Listeria cultures. All isolates were identified by conventional biochemical analyses in the principal laboratory. Cultures were checked for purity by Gram staining and examined for oxidase and catalase activities. Only Gram positive, oxidase negative, catalase positive cultures were tested with the method. Colonies from trypticase soy agar with 0.6% yeast extract were suspended in 4.6 ml_ physiological saline to a MacFarland No. 1 turbidity standard and used to inoculate the test strip. In addition, the hemolytic reaction of each isolate was determined by using the Christie-Atkins-Munch-Peterson (CAMP) test and by stabbing sheep blood agar. Identification of Listeria is based on the octal code obtained from the strip and the hemolytic reaction of the isolate. The MICRO-ID Listeria method agreed with conventional biochemical identification for 98.0% of L. monocytogenes, 77.1% of L. seeligeri, 98.0% of L ivanovii, 96.4% of L. grayi/L. murrayi, 73.9% of L. welshimeri, and 100% of L innocua isolates. A large percentage of errors in identification of the L. seeligeri and L ivanovii cultures was caused by inaccurate reading of the CAMP and hemolysis tests rather than errors in the test strip. The method was adopted first action by AOAC International.
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Affiliation(s)
- Don L Higgins
- Organon Teknika Corp., 100 Akzo Ave, Durham, NC 27704
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Dunzik-Gougar ML, Rooyen IJV, Hill CM, Trowbridge T, Madden J, Burns J. Sample Preparation Techniques for Grain Boundary Characterization of Annealed TRISO-Coated Particles. NUCL TECHNOL 2017. [DOI: 10.13182/nt15-129] [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: 11/12/2022]
Affiliation(s)
- M. L. Dunzik-Gougar
- Idaho State University, Department of Nuclear Engineering and Health Physics, Idaho Falls, Idaho 83209-8150
| | - I. J. van Rooyen
- Idaho State University, Department of Nuclear Engineering and Health Physics, Idaho Falls, Idaho 83209-8150
| | - C. M. Hill
- Idaho State University, Department of Nuclear Engineering and Health Physics, Idaho Falls, Idaho 83209-8150
- Idaho State University, Department of Nuclear Engineering and Health Physics, Idaho Falls, Idaho 83209-8150
| | - T. Trowbridge
- Idaho National Laboratory, Fuel Fabrication and Characterization Department, Idaho Falls, Idaho 83415-6188
| | - J. Madden
- Idaho National Laboratory, Fuel Fabrication and Characterization Department, Idaho Falls, Idaho 83415-6188
| | - J. Burns
- Idaho National Laboratory, Fuel Fabrication and Characterization Department, Idaho Falls, Idaho 83415-6188
- Boise State University, Department of Materials Science and Engineering, Boise, Idaho 83725-2090
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Qureshi NR, Rintoul RC, Miles KA, George S, Harris S, Madden J, Cozens K, Little LA, Eichhorst K, Jones J, Moate P, McClement C, Pike L, Sinclair D, Wong WL, Shekhdar J, Eaton R, Shah A, Brindle L, Peebles C, Banerjee A, Dizdarevic S, Han S, Poon FW, Groves AM, Kurban L, Frew AJ, Callister ME, Crosbie P, Gleeson FV, Karunasaagarar K, Kankam O, Gilbert FJ. Accuracy and cost-effectiveness of dynamic contrast-enhanced CT in the characterisation of solitary pulmonary nodules-the SPUtNIk study. BMJ Open Respir Res 2016; 3:e000156. [PMID: 27843550 PMCID: PMC5073572 DOI: 10.1136/bmjresp-2016-000156] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Accepted: 08/17/2016] [Indexed: 11/04/2022] Open
Abstract
INTRODUCTION Solitary pulmonary nodules (SPNs) are common on CT. The most cost-effective investigation algorithm is still to be determined. Dynamic contrast-enhanced CT (DCE-CT) is an established diagnostic test not widely available in the UK currently. METHODS AND ANALYSIS The SPUtNIk study will assess the diagnostic accuracy, clinical utility and cost-effectiveness of DCE-CT, alongside the current CT and 18-flurodeoxyglucose-positron emission tomography) (18FDG-PET)-CT nodule characterisation strategies in the National Health Service (NHS). Image acquisition and data analysis for 18FDG-PET-CT and DCE-CT will follow a standardised protocol with central review of 10% to ensure quality assurance. Decision analytic modelling will assess the likely costs and health outcomes resulting from incorporation of DCE-CT into management strategies for patients with SPNs. ETHICS AND DISSEMINATION Approval has been granted by the South West Research Ethics Committee. Ethics reference number 12/SW/0206. The results of the trial will be presented at national and international meetings and published in an Health Technology Assessment (HTA) Monograph and in peer-reviewed journals. TRIAL REGISTRATION NUMBER ISRCTN30784948; Pre-results.
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Affiliation(s)
- N R Qureshi
- Department of Radiology , Papworth Hospital , Cambridge , UK
| | - R C Rintoul
- Department of Thoracic Oncology , Papworth Hospital , Cambridge , UK
| | - K A Miles
- Institute of Nuclear Medicine, University College London , London , UK
| | - S George
- Public Health Sciences and Medical Statistics, University of Southampton , Southampton , UK
| | - S Harris
- Public Health Sciences and Medical Statistics, University of Southampton , Southampton , UK
| | - J Madden
- Southampton Clinical Trials Unit , University of Southampton , Southampton , UK
| | - K Cozens
- Southampton Clinical Trials Unit , University of Southampton , Southampton , UK
| | - L A Little
- Southampton Clinical Trials Unit , University of Southampton , Southampton , UK
| | - K Eichhorst
- Southampton Clinical Trials Unit , University of Southampton , Southampton , UK
| | - J Jones
- Centre for Innovation and Leadership in Health Sciences, University of Southampton, UK
| | - P Moate
- Southampton Clinical Trials Unit , University of Southampton , Southampton , UK
| | - C McClement
- Southampton Clinical Trials Unit , University of Southampton , Southampton , UK
| | - L Pike
- Division of Imaging Sciences and Biomedical Engineering , King's College London , London , UK
| | - D Sinclair
- Division of Imaging Sciences and Biomedical Engineering , King's College London , London , UK
| | - W L Wong
- Department of Medical Physics , Paul Strickland Scanner Centre, Mount Vernon Hospital, East and North Herts NHS Trust , Stevenage , UK
| | - J Shekhdar
- Radiation Protection Department, East and North Hertfordshire NHS Trust, Stevenage, UK
| | - R Eaton
- Radiation Protection Department, East and North Hertfordshire NHS Trust, Stevenage, UK
| | - A Shah
- Radiation Protection Department, East and North Hertfordshire NHS Trust, Stevenage, UK
| | - L Brindle
- Faculty of Health Sciences , University of Southampton , Southampton , UK
| | - C Peebles
- Department of Radiology and Respiratory Medicine , Southampton University Hospitals NHS Foundation Trust , Southampton , UK
| | - A Banerjee
- Department of Radiology and Respiratory Medicine , Southampton University Hospitals NHS Foundation Trust , Southampton , UK
| | - S Dizdarevic
- Departments of Respiratory and Nuclear Medicine , Brighton and Sussex University Hospitals NHS Trust , Brighton , UK
| | - S Han
- West of Scotland PET Centre, Gartnavel Hospital , Glasgow , UK
| | - F W Poon
- West of Scotland PET Centre, Gartnavel Hospital , Glasgow , UK
| | - A M Groves
- Institute of Nuclear Medicine, University College London , London , UK
| | - L Kurban
- Department of Radiology , Aberdeen Royal Hospitals NHS Trust , Aberdeen , UK
| | - A J Frew
- Departments of Respiratory and Nuclear Medicine , Brighton and Sussex University Hospitals NHS Trust , Brighton , UK
| | - M E Callister
- Department of Respiratory Medicine, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - P Crosbie
- North West Lung Centre, University Hospital of South Manchester, Manchester, UK
| | - F V Gleeson
- Department of Radiology , Churchill Hospital and University of Oxford , Oxford , UK
| | - K Karunasaagarar
- Department of Radiology , Worcestershire Royal Hospital , Worcester , UK
| | - O Kankam
- Department of Thoracic Medicine , East Sussex Hospitals NHS Trust , Saint Leonards-on-Sea , UK
| | - F J Gilbert
- Department of Radiology , University of Cambridge School of Clinical Medicine, Biomedical research centre, University of Cambridge , Cambridge , UK
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Healy D, Nash M, Gorelov A, Thompson K, Dockery P, Belochapkine S, Madden J, Rochev Y. Nanometer-scale physically adsorbed thermoresponsive films for cell culture. INT J POLYM MATER PO 2016. [DOI: 10.1080/00914037.2016.1201765] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Deirdre Healy
- School of Chemistry, National University of Ireland Galway, Galway, Ireland
| | - Maria Nash
- School of Chemistry, National University of Ireland Galway, Galway, Ireland
| | - Alexander Gorelov
- School of Chemistry and Chemical Biology, University College Dublin, Belfield, Dublin, Ireland
| | - Kerry Thompson
- Center for Microscopy and Imaging, Anatomy, School of Medicine, National University of Ireland Galway, Galway, Ireland
| | - Peter Dockery
- Center for Microscopy and Imaging, Anatomy, School of Medicine, National University of Ireland Galway, Galway, Ireland
| | - Serguei Belochapkine
- Materials and Surface Science Institute, University of Limerick, Limerick, Ireland
| | | | - Yury Rochev
- School of Chemistry, National University of Ireland Galway, Galway, Ireland
- Sechenov First Moscow State Medical University, Institute for Regenerative Medicine, Moscow, Russia
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Cronin M, Madden J, Mellor C, Przybylak K, Schultz T, Steinmetz F, Richarz AN. Supporting read-across predictions of toxicity – Going beyond molecular similarity. Toxicol Lett 2015. [DOI: 10.1016/j.toxlet.2015.08.570] [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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Dickson P, Kaitila I, Harmatz P, Mlikotic A, Chen A, Victoroff A, Passage M, Madden J, Le S, Naylor D. Data from subjects receiving intrathecal laronidase for cervical spinal stenosis due to mucopolysaccharidosis type I. Data Brief 2015; 5:71-6. [PMID: 26484358 PMCID: PMC4573094 DOI: 10.1016/j.dib.2015.08.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 08/10/2015] [Indexed: 11/19/2022] Open
Abstract
Five subjects with mucopolysaccharidosis type I and symptomatic cervical spinal stenosis received intrathecal laronidase in a 4-month pilot study and/or a 12-month extension study [1]. Clinical descriptions of study subjects, nonserious adverse events, individual data tables, and scoring system methods are provided. There were ten nonserious adverse events that occurred in more than one study subject. Somatosensory evoked potentials were absent in two subjects and normal in two subjects, limiting their utility as an endpoint. There were no significant changes in magnetic resonance imaging of cervical spinal cord or brain, pulmonary function tests, or cerebrospinal fluid opening pressure. These data are presented along with the scoring methods used in evaluation of the study subjects.
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Affiliation(s)
- P.I. Dickson
- Department of Pediatrics, Los Angeles Biomedical Research Institute at Harbor‐UCLA Medical Center, Torrance, CA, USA
- Corresponding author.
| | - I. Kaitila
- Medical Genetics, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - P. Harmatz
- UCSF Benioff Children׳s Hospital Oakland, Oakland, CA, USA
| | - A. Mlikotic
- Department of Radiology, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - A.H. Chen
- Department of Pediatrics, Los Angeles Biomedical Research Institute at Harbor‐UCLA Medical Center, Torrance, CA, USA
- Department of Neurology, Los Angeles Biomedical Research Institute at Harbor‐UCLA Medical Center, Torrance, CA, USA
| | - A. Victoroff
- Department of Pediatrics, Los Angeles Biomedical Research Institute at Harbor‐UCLA Medical Center, Torrance, CA, USA
| | - M.B. Passage
- Department of Pediatrics, Los Angeles Biomedical Research Institute at Harbor‐UCLA Medical Center, Torrance, CA, USA
| | - J. Madden
- UCSF Benioff Children׳s Hospital Oakland, Oakland, CA, USA
| | - S.Q. Le
- Department of Pediatrics, Los Angeles Biomedical Research Institute at Harbor‐UCLA Medical Center, Torrance, CA, USA
| | - D.E. Naylor
- Department of Neurology, Los Angeles Biomedical Research Institute at Harbor‐UCLA Medical Center, Torrance, CA, USA
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Lafay-Cousin L, Chi S, Smith A, Wells E, Madden J, Margol A, Ramaswamy V, Owen E, Strother D, Dhall G, Foreman N, Packer R, Bouffet E. MB-35 * VERY ENCOURAGING LONG-TERM SURVIVAL AND NEUROCOGNITIVE OUTCOME OF YOUNG CHILDREN TREATED FOR MEDULLOBLASTOMA WITH SEQUENTIAL HIGH DOSE CHEMOTHERAPY. Neuro Oncol 2015. [DOI: 10.1093/neuonc/nov061.111] [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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Azrad M, Vollmer RT, Madden J, Polascik TJ, Snyder DC, Ruffin MT, Moul JW, Brenner D, He X, Demark-Wahnefried W. Disparate results between proliferation rates of surgically excised prostate tumors and an in vitro bioassay using sera from a positive randomized controlled trial. Biotech Histochem 2014; 90:184-9. [PMID: 25434394 DOI: 10.3109/10520295.2014.976840] [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] [Indexed: 11/13/2022] Open
Abstract
In vitro bioassay has been used extensively to test the effects of culturing cancer cells in sera from humans participating in dietary interventions, i.e, studies of modified intake of nutrients for the purpose of reducing cancer risk or progression. It has been hypothesized that cell proliferation rates determined by the in vitro bioassay indicate whether modification of dietary intake could decrease cancer cell growth in vivo. It has been suggested, however, that the in vitro bioassay may not correlate with tumor cell proliferation rates in prostate cancer. We investigated the concordance of cell proliferation rates from surgically excised prostate tumor tissue with the in vitro bioassay using sera from matched patients. We used samples from an earlier randomized clinical trial that showed that supplementation with flaxseed significantly inhibited prostate cancer cell proliferation rates in vivo as indicated by Ki67 staining in tumor specimens. Proliferation rates of LNCaP, DU145 and PC3 cell lines cultured in 10% human sera from participants in the flaxseed trial were determined using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Spearman's Rho correlation coefficients (ρ) indicated no association between Ki67 staining in prostate tumors and the in vitro bioassay for the three cell lines. These disparate findings suggest that the in vitro bioassay may not provide an accurate assessment of the environment in vivo.
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Affiliation(s)
- M Azrad
- University of Alabama at Birmingham, Department of Nutrition Sciences , Birmingham, Alabama
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Lafay-Cousin L, Chi S, Smith A, Wells E, Madden J, Margol A, Ramaswamy V, Owen E, Strother D, Dhall G, Foreman N, Packer R, Bouffet E. PT-08 * VERY ENCOURAGING LONG TERM SURVIVAL AND NEUROCOGNITIVE OUTCOME OF YOUNG CHILDREN TREATED FOR MEDULLOBLASTOMA WITH SEQUENTIAL HIGH DOSE CHEMOTHERAPY. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou266.8] [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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Hunter F, Bray J, Towlson C, Smith M, Barrett S, Madden J, Abt G, Lovell R. Individualisation of time-motion analysis: a method comparison and case report series. Int J Sports Med 2014; 36:41-8. [PMID: 25259591 DOI: 10.1055/s-0034-1384547] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
This study compared the intensity distribution of time-motion analysis data, when speed zones were categorized by different methods. 12 U18 players undertook a routine battery of laboratory- and field-based assessments to determine their running speed corresponding to the respiratory compensation threshold (RCT), maximal aerobic speed (MAS), maximal oxygen consumption (vV˙O2max) and maximal sprint speed (MSS). Players match-demands were tracked using 5 Hz GPS units in 22 fixtures (50 eligible match observations). The percentage of total distance covered running at high-speed (%HSR), very-high speed (%VHSR) and sprinting were determined using the following speed thresholds: (1) arbitrary; (2) individualised (IND) using RCT, vV˙O2max and MSS; (3) individualised via MAS per se; (4) individualised via MSS per se; and (5) individualised using MAS and MSS as measures of locomotor capacities (LOCO). Using MSS in isolation resulted in 61% and 39% of player's % HSR and % VHSR, respectively, being incorrectly interpreted, when compared to the IND technique. Estimating the RCT from fractional values of MAS resulted in erroneous interpretations of % HSR in 50% of cases. The present results suggest that practitioners and researchers should avoid using singular fitness characteristics to individualise the intensity distribution of time-motion analysis data. A combination of players' anaerobic threshold, MAS, and MSS characteristics are recommended to individualise player-tracking data.
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Affiliation(s)
- F Hunter
- Medical and Sports Science Department, Southampton Football Club, Southampton, United Kingdom
| | - J Bray
- Department of Sport, Health and Exercise Science, The University of Hull, Kingston upon Hull, United Kingdom
| | - C Towlson
- Department of Sport, Health and Exercise Science, The University of Hull, Kingston upon Hull, United Kingdom
| | - M Smith
- School of Science and Health, The University of Western Sydney, Penrith, Australia
| | - S Barrett
- Department of Sport, Health and Exercise Science, The University of Hull, Kingston upon Hull, United Kingdom
| | - J Madden
- Department of Sport, Health and Exercise Science, The University of Hull, Kingston upon Hull, United Kingdom
| | - G Abt
- Department of Sport, Health and Exercise Science, The University of Hull, Kingston upon Hull, United Kingdom
| | - R Lovell
- School of Science and Health, The University of Western Sydney, Penrith, Australia
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Shofty B, Bokstein F, Ram Z, Ben-Sira L, Freedman S, Kesler A, Constantini S, Shofty B, Mauda-Havakuk M, Ben-Bashat D, Dvir R, Pratt LT, Weizman L, Joskowicz L, Tal M, Ravid L, Ben-Sira L, Constantini S, Dodgshun A, Maixner W, Sullivan M, Hansford J, Ma J, Wang B, Toledano H, Muhsinoglu O, Luckman J, Michowiz S, Goldenberg-Cohen N, Schroeder K, Rosenfeld A, Grant G, McLendon R, Cummings T, Becher O, Gururangan S, Aguilera D, Mazewski C, Janss A, Castellino RC, Schniederjan M, Hayes L, Brahma B, MacDonald T, Osugi Y, Kiyotani C, Sakamoto H, Yanagisawa T, Kanno M, Kamimura S, Kosaka Y, Hirado J, Takimoto T, Nakazawa A, Hara J, Hwang E, Mun A, Kilburn L, Chi S, Knipstein J, Oren M, Dvir R, Hardy K, Rood B, Packer R, Kandels D, Schmidt R, Geh M, Breitmoser-Greiner S, Gnekow AK, Bergthold G, Bandopadhayay P, Rich B, Chan J, Santagata S, Hoshida Y, Ramkissoon S, Ramkissoon L, Golub T, Tabak B, Ferrer-Luna R, Weng PY, Stiles C, Grill J, Kieran MW, Ligon KL, Beroukhim R, Fisher MJ, Levin MH, Armstrong GT, Broad JH, Zimmerman R, Bilaniuk LT, Feygin T, Liu GT, Gan HW, Phipps K, Spoudeas HA, Kohorst M, Warad D, Keating G, Childs S, Giannini C, Wetjen N, Rao; AN, Nakamura H, Makino K, Hide T, Kuroda JI, Shinojima N, Yano S, Kuratsu JI, Rush S, Madden J, Hemenway M, Foreman N, Sie M, den Dunnen WFA, Lourens HJ, Meeuwsen-de Boer TGJ, Scherpen FJG, Kampen KR, Hoving EW, de Bont ESJM, Gnekow AK, Kandels D, Walker DA, Perilongo G, Grill J, Stokland T, Sehested AM, van Schouten AYN, de Paoli A, de Salvo GL, Pache-Leschhorn S, Geh M, Schmidt R, Gnekow AK, Gass D, Rupani K, Tsankova N, Stark E, Anderson R, Feldstein N, Garvin J, Deel M, McLendon R, Becher O, Karajannis M, Wisoff J, Muh C, Schroeder K, Gururangan S, del Bufalo F, Carai A, Macchiaiolo M, Messina R, Cacchione A, Palmiero M, Cambiaso P, Mastronuzzi A, Anderson M, Leary S, Sun Y, Buhrlage S, Pilarz C, Alberta J, Stiles C, Gray N, Mason G, Packer R, Hwang E, Biassoni V, Schiavello E, Bergamaschi L, Chiaravalli S, Spreafico F, Massimino M, Krishnatry R, Kroupnik T, Zhukova N, Mistry M, Zhang C, Bartels U, Huang A, Adamski J, Dirks P, Laperriere N, Silber J, Hawkins C, Bouffet E, Tabori U, Riccardi R, Rizzo D, Chiaretti A, Piccardi M, Dickmann A, Lazzareschi I, Ruggiero A, Guglielmi G, Salerni A, Manni L, Colosimo C, Falsini B, Rosenfeld A, Etzl M, Miller J, Carpenteri D, Kaplan A, Sieow N, Hoe R, Tan AM, Chan MY, Soh SY, Orphanidou-Vlachou E, MacPherson L, English M, Auer D, Jaspan T, Arvanitis T, Grundy R, Peet A, Bandopadhayay P, Bergthold G, Sauer N, Green A, Malkin H, Dabscheck G, Marcus K, Ullrich N, Goumnerova L, Chi S, Beroukhim R, Kieran M, Manley P, Donson A, Kleinschmidt-DeMasters B, Aisner D, Bemis L, Birks D, Mulcahy-Levy J, Smith A, Handler M, Rush S, Foreman N, Davidson A, Figaji A, Pillay K, Kilborn T, Padayachy L, Hendricks M, van Eyssen A, Parkes J, Gass D, Dewire M, Chow L, Rose SR, Lawson S, Stevenson C, Jones B, Pai A, Sutton M, Pruitt D, Fouladi M, Hummel T, Cruz O, de Torres C, Sunol M, Morales A, Santiago C, Alamar M, Rebollo M, Mora J, Sauer N, Dodgshun A, Malkin H, Bergthold G, Manley P, Chi S, Ramkissoon S, MacGregor D, Beroukhim R, Kieran M, Sullivan M, Ligon K, Bandopadhayay P, Hansford J, Messina R, De Benedictis A, Carai A, Mastronuzzi A, Rebessi E, Palma P, Procaccini E, Marras CE, Aguilera D, Castellino RC, Janss A, Schniederjan M, McNall R, Kim S, MacDOnald T, Mazewski C, Zhukova N, Pole J, Mistry M, Fried I, Krishnatry R, Stucklin AG, Bartels U, Huang A, Laperriere N, Dirks P, Zelcer S, Sylva M, Johnston D, Scheinemann K, An J, Hawkins C, Nathan P, Greenberg M, Bouffet E, Malkin D, Tabori U, Kiehna E, Da Silva S, Margol A, Robison N, Finlay J, McComb JG, Krieger M, Wong K, Bluml S, Dhall G, Ayyanar K, Moriarty T, Moeller K, Farber D. LOW GRADE GLIOMAS. Neuro Oncol 2014; 16:i60-i70. [PMCID: PMC4046289 DOI: 10.1093/neuonc/nou073] [Citation(s) in RCA: 4] [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: 08/13/2023] Open
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Vaidyanathan G, Gururangan S, Bigner D, Zalutsky M, Morfouace M, Shelat A, Megan J, Freeman BB, Robinson S, Throm S, Olson JM, Li XN, Guy KR, Robinson G, Stewart C, Gajjar A, Roussel M, Sirachainan N, Pakakasama S, Anurathapan U, Hansasuta A, Dhanachai M, Khongkhatithum C, Hongeng S, Feroze A, Lee KS, Gholamin S, Wu Z, Lu B, Mitra S, Cheshier S, Northcott P, Lee C, Zichner T, Lichter P, Korbel J, Wechsler-Reya R, Pfister S, Project IPT, Li KKW, Xia T, Ma FMT, Zhang R, Zhou L, Lau KM, Ng HK, Lafay-Cousin L, Chi S, Madden J, Smith A, Wells E, Owens E, Strother D, Foreman N, Packer R, Bouffet E, Wataya T, Peacock J, Taylor MD, Ivanov D, Garnett M, Parker T, Alexander C, Meijer L, Grundy R, Gellert P, Ashford M, Walker D, Brent J, Cader FZ, Ford D, Kay A, Walsh R, Solanki G, Peet A, English M, Shalaby T, Fiaschetti G, Baulande S, Gerber N, Baumgartner M, Grotzer M, Hayase T, Kawahara Y, Yagi M, Minami T, Kanai N, Yamaguchi T, Gomi A, Morimoto A, Hill R, Kuijper S, Lindsey J, Schwalbe E, Barker K, Boult J, Williamson D, Ahmad Z, Hallsworth A, Ryan S, Poon E, Robinson S, Ruddle R, Raynaud F, Howell L, Kwok C, Joshi A, Nicholson SL, Crosier S, Wharton S, Robson K, Michalski A, Hargrave D, Jacques T, Pizer B, Bailey S, Swartling F, Petrie K, Weiss W, Chesler L, Clifford S, Kitanovski L, Prelog T, Kotnik BF, Debeljak M, Fiaschetti G, Shalaby T, Baumgartner M, Grotzer MA, Gevorgian A, Morozova E, Kazantsev I, Iukhta T, Safonova S, Kumirova E, Punanov Y, Afanasyev B, Zheludkova O, Grajkowska W, Pronicki M, Cukrowska B, Dembowska-Baginska B, Lastowska M, Murase A, Nobusawa S, Gemma Y, Yamazaki F, Masuzawa A, Uno T, Osumi T, Shioda Y, Kiyotani C, Mori T, Matsumoto K, Ogiwara H, Morota N, Hirato J, Nakazawa A, Terashima K, Fay-McClymont T, Walsh K, Mabbott D, Smith A, Wells E, Madden J, Chi S, Owens E, Strother D, Packer R, Foreman N, Bouffet E, Lafay-Cousin L, Sturm D, Northcott PA, Jones DTW, Korshunov A, Lichter P, Pfister SM, Kool M, Hooper C, Hawes S, Kees U, Gottardo N, Dallas P, Siegfried A, Bertozzi AI, Sevely A, Loukh N, Munzer C, Miquel C, Bourdeaut F, Pietsch T, Dufour C, Delisle MB, Kawauchi D, Rehg J, Finkelstein D, Zindy F, Phoenix T, Gilbertson R, Pfister S, Roussel M, Trubicka J, Borucka-Mankiewicz M, Ciara E, Chrzanowska K, Perek-Polnik M, Abramczuk-Piekutowska D, Grajkowska W, Jurkiewicz D, Luczak S, Kowalski P, Krajewska-Walasek M, Lastowska M, Sheila C, Lee S, Foster C, Manoranjan B, Pambit M, Berns R, Fotovati A, Venugopal C, O'Halloran K, Narendran A, Hawkins C, Ramaswamy V, Bouffet E, Taylor M, Singhal A, Hukin J, Rassekh R, Yip S, Northcott P, Singh S, Duhman C, Dunn S, Chen T, Rush S, Fuji H, Ishida Y, Onoe T, Kanda T, Kase Y, Yamashita H, Murayama S, Nakasu Y, Kurimoto T, Kondo A, Sakaguchi S, Fujimura J, Saito M, Arakawa T, Arai H, Shimizu T, Lastowska M, Jurkiewicz E, Daszkiewicz P, Drogosiewicz M, Trubicka J, Grajkowska W, Pronicki M, Kool M, Sturm D, Jones DTW, Hovestadt V, Buchhalter I, Jager NN, Stuetz A, Johann P, Schmidt C, Ryzhova M, Landgraf P, Hasselblatt M, Schuller U, Yaspo ML, von Deimling A, Korbel J, Eils R, Lichter P, Korshunov A, Pfister S, Modi A, Patel M, Berk M, Wang LX, Plautz G, Camara-Costa H, Resch A, Lalande C, Kieffer V, Poggi G, Kennedy C, Bull K, Calaminus G, Grill J, Doz F, Rutkowski S, Massimino M, Kortmann RD, Lannering B, Dellatolas G, Chevignard M, Lindsey J, Kawauchi D, Schwalbe E, Solecki D, McKinnon P, Olson J, Hayden J, Grundy R, Ellison D, Williamson D, Bailey S, Roussel M, Clifford S, Buss M, Remke M, Lee J, Caspary T, Taylor M, Castellino R, Lannering B, Sabel M, Gustafsson G, Fleischhack G, Benesch M, Doz F, Kortmann RD, Massimino M, Navajas A, Reddingius R, Rutkowski S, Miquel C, Delisle MB, Dufour C, Lafon D, Sevenet N, Pierron G, Delattre O, Bourdeaut F, Ecker J, Oehme I, Mazitschek R, Korshunov A, Kool M, Lodrini M, Deubzer HE, von Deimling A, Kulozik AE, Pfister SM, Witt O, Milde T, Phoenix T, Patmore D, Boulos N, Wright K, Boop S, Gilbertson R, Janicki T, Burzynski S, Burzynski G, Marszalek A, Triscott J, Green M, Foster C, Fotovati A, Berns R, O'Halloran K, Singhal A, Hukin J, Rassekh SR, Yip S, Toyota B, Dunham C, Dunn SE, Liu KW, Pei Y, Wechsler-Reya R, Genovesi L, Ji P, Davis M, Ng CG, Remke M, Taylor M, Cho YJ, Jenkins N, Copeland N, Wainwright B, Tang Y, Schubert S, Nguyen B, Masoud S, Gholamin S, Lee A, Willardson M, Bandopadhayay P, Bergthold G, Atwood S, Whitson R, Cheshier S, Qi J, Beroukhim R, Tang J, Wechsler-Reya R, Oro A, Link B, Bradner J, Cho YJ, Vallero SG, Bertin D, Basso ME, Milanaccio C, Peretta P, Cama A, Mussano A, Barra S, Morana G, Morra I, Nozza P, Fagioli F, Garre ML, Darabi A, Sanden E, Visse E, Stahl N, Siesjo P, Cho YJ, Vaka D, Schubert S, Vasquez F, Weir B, Cowley G, Keller C, Hahn W, Gibbs IC, Partap S, Yeom K, Martinez M, Vogel H, Donaldson SS, Fisher P, Perreault S, Cho YJ, Guerrini-Rousseau L, Dufour C, Pujet S, Kieffer-Renaux V, Raquin MA, Varlet P, Longaud A, Sainte-Rose C, Valteau-Couanet D, Grill J, Staal J, Lau LS, Zhang H, Ingram WJ, Cho YJ, Hathout Y, Brown K, Rood BR, Sanden E, Visse E, Stahl N, Siesjo P, Darabi A, Handler M, Hankinson T, Madden J, Kleinschmidt-Demasters BK, Foreman N, Hutter S, Northcott PA, Kool M, Pfister S, Kawauchi D, Jones DT, Kagawa N, Hirayama R, Kijima N, Chiba Y, Kinoshita M, Takano K, Eino D, Fukuya S, Yamamoto F, Nakanishi K, Hashimoto N, Hashii Y, Hara J, Taylor MD, Yoshimine T, Wang J, Guo C, Yang Q, Chen Z, Perek-Polnik M, Lastowska M, Drogosiewicz M, Dembowska-Baginska B, Grajkowska W, Filipek I, Swieszkowska E, Tarasinska M, Perek D, Kebudi R, Koc B, Gorgun O, Agaoglu FY, Wolff J, Darendeliler E, Schmidt C, Kerl K, Gronych J, Kawauchi D, Lichter P, Schuller U, Pfister S, Kool M, McGlade J, Endersby R, Hii H, Johns T, Gottardo N, Sastry J, Murphy D, Ronghe M, Cunningham C, Cowie F, Jones R, Sastry J, Calisto A, Sangra M, Mathieson C, Brown J, Phuakpet K, Larouche V, Hawkins C, Bartels U, Bouffet E, Ishida T, Hasegawa D, Miyata K, Ochi S, Saito A, Kozaki A, Yanai T, Kawasaki K, Yamamoto K, Kawamura A, Nagashima T, Akasaka Y, Soejima T, Yoshida M, Kosaka Y, Rutkowski S, von Bueren A, Goschzik T, Kortmann R, von Hoff K, Friedrich C, Muehlen AZ, Gerber N, Warmuth-Metz M, Soerensen N, Deinlein F, Benesch M, Zwiener I, Faldum A, Kuehl J, Pietsch T, KRAMER K, -Taskar NP, Zanzonico P, Humm JL, Wolden SL, Cheung NKV, Venkataraman S, Alimova I, Harris P, Birks D, Balakrishnan I, Griesinger A, Remke M, Taylor MD, Handler M, Foreman NK, Vibhakar R, Margol A, Robison N, Gnanachandran J, Hung L, Kennedy R, Vali M, Dhall G, Finlay J, Erdrich-Epstein A, Krieger M, Drissi R, Fouladi M, Gilles F, Judkins A, Sposto R, Asgharzadeh S, Peyrl A, Chocholous M, Holm S, Grillner P, Blomgren K, Azizi A, Czech T, Gustafsson B, Dieckmann K, Leiss U, Slavc I, Babelyan S, Dolgopolov I, Pimenov R, Mentkevich G, Gorelishev S, Laskov M, Friedrich C, Warmuth-Metz M, von Bueren AO, Nowak J, von Hoff K, Pietsch T, Kortmann RD, Rutkowski S, Mynarek M, von Hoff K, Muller K, Friedrich C, von Bueren AO, Gerber NU, Benesch M, Pietsch T, Warmuth-Metz M, Ottensmeier H, Kwiecien R, Faldum A, Kuehl J, Kortmann RD, Rutkowski S, Mynarek M, von Hoff K, Muller K, Friedrich C, von Bueren AO, Gerber NU, Benesch M, Pietsch T, Warmuth-Metz M, Ottensmeier H, Kwiecien R, Faldum A, Kuehl J, Kortmann RD, Rutkowski S, Yankelevich M, Laskov M, Boyarshinov V, Glekov I, Pimenov R, Ozerov S, Gorelyshev S, Popa A, Dolgopolov I, Subbotina N, Mentkevich G, Martin AM, Nirschl C, Polanczyk M, Bell R, Martinez D, Sullivan LM, Santi M, Burger PC, Taube JM, Drake CG, Pardoll DM, Lim M, Li L, Wang WG, Pu JX, Sun HD, Remke M, Taylor MD, Ruggieri R, Symons MH, Vanan MI, Bandopadhayay P, Bergthold G, Nguyen B, Schubert S, Gholamin S, Tang Y, Bolin S, Schumacher S, Zeid R, Masoud S, Yu F, Vue N, Gibson W, Paolella B, Mitra S, Cheshier S, Qi J, Liu KW, Wechsler-Reya R, Weiss W, Swartling FJ, Kieran MW, Bradner JE, Beroukhim R, Cho YJ, Maher O, Khatua S, Tarek N, Zaky W, Gupta T, Mohanty S, Kannan S, Jalali R, Kapitza E, Denkhaus D, Muhlen AZ, Rutkowski S, Pietsch T, von Hoff K, Pizer B, Dufour C, van Vuurden DG, Garami M, Massimino M, Fangusaro J, Davidson TB, da Costa MJG, Sterba J, Benesch M, Gerber NU, Mynarek M, Kwiecien R, Clifford SC, Kool M, Pietsch T, Finlay JL, Rutkowski S, Pietsch T, Schmidt R, Remke M, Korshunov A, Hovestadt V, Jones DT, Felsberg J, Goschzik T, Kool M, Northcott PA, von Hoff K, von Bueren A, Skladny H, Taylor M, Cremer F, Lichter P, Faldum A, Reifenberger G, Rutkowski S, Pfister S, Kunder R, Jalali R, Sridhar E, Moiyadi AA, Goel A, Goel N, Shirsat N, Othman R, Storer L, Korshunov A, Pfister SM, Kerr I, Coyle B, Law N, Smith ML, Greenberg M, Bouffet E, Taylor MD, Laughlin S, Malkin D, Liu F, Moxon-Emre I, Scantlebury N, Mabbott D, Nasir A, Othman R, Storer L, Onion D, Lourdusamy A, Grabowska A, Coyle B, Cai Y, Othman R, Bradshaw T, Coyle B, de Medeiros RSS, Beaugrand A, Soares S, Epelman S, Jones DTW, Hovestadt V, Wang W, Northcott PA, Kool M, Sultan M, Landgraf P, Reifenberger G, Eils R, Yaspo ML, Wechsler-Reya RJ, Korshunov A, Zapatka M, Radlwimmer B, Pfister SM, Lichter P, Alderete D, Baroni L, Lubinieki F, Auad F, Gonzalez ML, Puya W, Pacheco P, Aurtenetxe O, Gaffar A, Gros L, Cruz O, Calvo C, Navajas A, Shinojima N, Nakamura H, Kuratsu JI, Hanaford A, Eberhart C, Archer T, Tamayo P, Pomeroy S, Raabe E, De Braganca K, Gilheeney S, Khakoo Y, Kramer K, Wolden S, Dunkel I, Lulla RR, Laskowski J, Fangusaro J, Goldman S, Gopalakrishnan V, Ramaswamy V, Remke M, Shih D, Wang X, Northcott P, Faria C, Raybaud C, Tabori U, Hawkins C, Rutka J, Taylor M, Bouffet E, Jacobs S, De Vathaire F, Diallo I, Llanas D, Verez C, Diop F, Kahlouche A, Grill J, Puget S, Valteau-Couanet D, Dufour C, Ramaswamy V, Thompson E, Taylor M, Pomeroy S, Archer T, Northcott P, Tamayo P, Prince E, Amani V, Griesinger A, Foreman N, Vibhakar R, Sin-Chan P, Lu M, Kleinman C, Spence T, Picard D, Ho KC, Chan J, Hawkins C, Majewski J, Jabado N, Dirks P, Huang A, Madden JR, Foreman NK, Donson AM, Mirsky DM, Wang X, Dubuc A, Korshunov A, Ramaswamy V, Remke M, Mack S, Gendoo D, Peacock J, Luu B, Cho YJ, Eberhart C, MacDonald T, Li XN, Van Meter T, Northcott P, Croul S, Bouffet E, Pfister S, Taylor M, Laureano A, Brugmann W, Denman C, Singh H, Huls H, Moyes J, Khatua S, Sandberg D, Silla L, Cooper L, Lee D, Gopalakrishnan V. MEDULLOBLASTOMA. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou074] [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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Buckley CM, Madden J, Balanda K, Barron S, Fahy L, Harrington J, Perry IJ, M Kearney P. Pre-diabetes in adults 45 years and over in Ireland: the Survey of Lifestyle, Attitudes and Nutrition in Ireland 2007. Diabet Med 2013; 30:1198-203. [PMID: 23659572 DOI: 10.1111/dme.12226] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2012] [Revised: 03/19/2013] [Accepted: 05/07/2013] [Indexed: 11/27/2022]
Abstract
OBJECTIVES Pre-diabetes is an important indicator of future diabetes burden and many countries are reporting prevalence estimates of pre-diabetes. To date in Ireland, estimates of the prevalence of pre-diabetes were unavailable. Our objectives were to estimate the prevalence of pre-diabetes in a nationally representative sample of Irish adults and to explore determinants of pre-diabetes. METHODS The Survey of Lifestyle Attitudes and Nutrition 2007 was a cross-sectional survey on health and lifestyle in a nationally representative sample of Irish adults. Analysis was performed on a subsample of 1132 participants ≥ 45 years who provided blood samples. Determination of pre-diabetes was based on American Diabetes Association HbA1c cut points of 39-46 mmol/mol (5.7-6.4%). To explore determinants, we modelled pre-diabetes prevalence as a function of a set of health system and socio-demographic variables using logistic regression. RESULTS The overall weighted prevalence estimate of pre-diabetes in participants ≥ 45 years was 19.8% (95% CI 16.4-23.9). There was no significant difference between age or gender-specific prevalence rates. Obesity was significantly associated with pre-diabetes on univariate and multivariate analysis. Population attributable fraction estimates for excess BMI, physical inactivity and poor diet as causes of pre-diabetes were 31.3% (95% CI -3.9 to 54.5), 10.0% (95% CI -2.7 to 21.3) and 6.1% (95% CI -4.9 to 15.9), respectively. CONCLUSIONS The high levels of pre-diabetes detected in this study are worrying. Population level interventions to address diet and lifestyle factors are needed urgently to prevent progression to diabetes in high-risk individuals.
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Affiliation(s)
- C M Buckley
- Department of General Practice, University College Cork (UCC), Cork, Ireland; Department of Epidemiology and Public Health, University College Cork (UCC), Cork, Ireland
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Chung P, de Brugha J, McDonald J, Madden J. Process plant safety information repository and support for safety applications. J Loss Prev Process Ind 2012. [DOI: 10.1016/j.jlp.2012.04.004] [Citation(s) in RCA: 2] [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: 10/28/2022]
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Shih CS, Ekoma S, Ho C, Pradhan K, Hwang E, Jakacki R, Fisher M, Kilburn L, Horn M, Vezina G, Rood B, Packer R, Mittal R, Omar S, Khalifa N, Bedir R, Avery R, Hwang E, Acosta M, Hutcheson K, Santos D, Zand D, Kilburn L, Rosenbaum K, Rood B, Packer R, Kalin-Hajdu E, Ospina L, Carret AS, Marzouki M, Decarie JC, Freeman E, Hershon L, Warmuth-Metz M, Zurakowski D, Bison B, Falkenstein F, Gnekow A, Ehrstedt C, Laurencikas E, Bjorklund AC, Stromberg B, Hedborg F, Pfeifer S, Bertin D, Packer RJ, Vallero S, Basso ME, Romano E, Peretta P, Morra I, D'Alonzo G, Fagioli F, Toledano H, Laviv Y, Dratviman-Storobinsky O, Michowiz S, Yaniv I, Cohen IJ, Goldenberg-Cohen N, Muller K, Gnekow A, Warmuth-Metz M, Pietsch T, Zwiener I, Falkenstein F, Meyer FM, Micke O, Hoffmann W, Kortmann RD, Shofty B, Ben-Sira L, Roth J, Constantini S, Shofty B, Weizmann L, Joskowicz L, Kesler A, Ben-Bashat D, Yalon M, Dvir R, Freedman S, Roth J, Ben-Sira L, Constantini S, Bandopadhayay P, Dagi L, Robison N, Goumnerova L, Ullrich N, Opocher E, De Salvo GL, De Paoli A, Simmons I, Sehested A, Walker DA, Picton SV, Gnekow A, Grill J, Driever PH, Azizi AA, Viscardi E, Perilongo G, Cappellano AM, Bouffet E, Silva F, Paiva P, Cavalheiro S, Seixas MT, Silva NS, Antony R, Fraser K, Lin J, Falkenstein F, Kwiecien R, Mirow C, Thieme B, von Hornstein S, Pietsch T, Faldum A, Warmuth-Metz M, Kortmann RD, Gnekow AK, Shofty B, Bokshtein F, Kesler A, Ben-Sira L, Freedman S, Constantini S, Panandiker AP, Klimo P, Thompson C, Armstrong G, Kun L, Boop F, Sanford A, Orge F, Laschinger K, Gold D, Bangert B, Stearns D, Cappellano AM, Senerchia A, Paiva P, Cavalheiro S, Silva F, Silva NS, Gnekow AK, Falkenstein F, Walker D, Perilongo G, Picton S, Grill J, Kortmann RD, Stokland T, van Meeteren AS, Slavc I, Faldum A, de Salvo GL, Fernandez KS, Antony R, Lulla RR, Flores M, Benavides VC, Mitchell C, AlKofide A, Hassonah M, Khafagh Y, Ayas MA, AlFawaz I, Anas M, Barria M, Siddiqui K, Al-Shail E, Fisher MJ, Ullrich NJ, Ferner RE, Gutmann DH, Listernick R, Packer RJ, Tabori U, Hoffman RO, Ardern-Holmes SL, Hummel TR, Hargrave DR, Charrow J, Loguidice M, Balcer LJ, Liu GT, Fisher MJ, Listernick R, Gutmann DH, Ferner RE, Packer RJ, Ullrich NJ, Tabori U, Hoffman RO, Ardern-Holmes SL, Hummel TR, Hargrave DR, Loguidice M, Balcer LJ, Liu GT, Jeeva I, Nelson O, Guy D, Damani A, Gogi D, Picton S, Simmons I, Jeeva I, Picton S, Guy D, Nelson O, Dewsbery S, Gogi D, Simmons I, Sievert AJ, Lang SS, Boucher K, Slaunwhite E, Brewington D, Madsen P, Storm PB, Resnick AC, Hemenway M, Madden J, Macy M, Foreman N, Rush S, Mascelli S, Raso A, Barla A, Nozza P, Biassoni R, Pignatelli S, Cama A, Verri A, Capra V, Garre M, Bergthold G, Piette C, Raquin MA, Dufour C, Varlet P, Dhermain F, Puget S, Sainte-Rose C, Abely M, Canale S, Grill J, Terashima K, Chow K, Jones J, Ahern C, Jo E, Ellezam B, Paulino A, Okcu MF, Su J, Adesina A, Mahajan A, Dauser R, Whitehead W, Lau C, Chintagumpala M, Kebudi R, Tuncer S, Cakir FB, Gorgun O, Agaoglu FY, Ayan I, Darendeliler E, Wolf D, Cohen K, Jeyapalan JN, Morley ICF, Hill AA, Tatevossian RG, Qaddoumi I, Ellison DW, Sheer D, Donson A, Barton V, Birks D, Kleinschmidt-DeMasters BK, Hemenway M, Handler M, Foreman N, Rush S, Tatevossian R, Qaddoumi I, Tang B, Dalton J, Shurtleff S, Punchihewa C, Orisme W, Neale G, Gajjar A, Baker S, Sheer D, Ellison D, Gilheeney S, Jamzadeh A, Winchester M, Yataghene K, De Braganca K, Khakoo Y, Lyden D, Dunkel I, Terasaki M, Eto T, Morioka M, Ho CY, Bar E, Giannini C, Karajannis MA, Zagzag D, Eberhart CG, Rodriguez FJ, Lee Y, Bartels U, Tabori U, Huang A, Bouffet E, Zaky W, Bluml S, Grimm J, Wong K, McComb G, Gilles F, Finlay J, Dhall G, Chen HH, Chen YW, Chang FC, Lin SC, Chang KP, Ho DM, Wong TT, Lee CC, Azizi AA, Fox R, Grill J, Mirow C, Gnekow A, Walker D, Perilongo G, Opocher E, Wheatley K, van Meeteren AYS, Phuakpet K, Tabori U, Bartels U, Huang A, Kulkarni A, Laperriere N, Bouffet E, Epari S, Nair V, Gupta T, Patil P, Moiyadi A, Shetty P, Kane S, Jalali R, Dorris K, Nadi M, Sutton M, Wang L, Stogner K, Li D, Hurwitz B, Stevenson C, Miles L, Kim MO, Fuller C, Hawkins C, Bouffet E, Jones B, Drake J, Fouladi M, Fontebasso AM, Shirinian M, Jones DTW, Quang DAK, Jacob K, Cin H, Witt H, Gerges N, Montpetit A, Brunet S, Lepage P, Klekner A, Lambert S, Kwan T, Hawkins C, Tabori U, Collins VP, Albrecht S, Pfister SM, Jabado N, Arrington D, Manley P, Kieran M, Chi S, Robison N, Chordas C, Ullrich N. LOW GRADE GLIOMAS. Neuro Oncol 2012; 14:i69-i81. [PMCID: PMC3483338 DOI: 10.1093/neuonc/nos092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023] Open
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Rednam S, Scheurer M, Adesina A, Lau C, Okcu M, Deatrick J, Ogle S, Fisher M, Barakat L, Hardie T, Li Y, Ginsberg J, Ben-Arush M, Krivoy E, Rosenkranz R, Peretz-Nahum M, Brown RJ, Love J, Warburton D, McBride WH, Bluml S, Mueller S, Sear K, Hills N, Chettout N, Afghani S, Lew L, Tolentino E, Haas-Kogan D, Fullerton H, Reddick W, Palmer S, Glass J, Li Y, Ogg R, Gajjar A, Omar A, Perkins S, Shinohara E, Spoljaric D, Isenberg J, Whittington M, Hauff M, King A, Litzelman K, Barker E, Catrine K, Puccetti D, Possin P, Witt W, Mallucci C, Kumar R, Pizer B, Williams D, Pettorini B, Piscione J, Bouffet E, Shams I, Kulkarni A, Remes T, Harila-Saari A, Suo-Palosaari M, Arikoski P, Riikonen P, Sutela A, Koskenkorva P, Ojaniemi M, Rantala H, Campen CJ, Ashby D, Fisher PG, Monje M, Kulkarni AV, Piscione J, Shams I, Bouffet E, Nakamura H, Makino K, Yano S, Kuratsu JI, Jadrijevic-Cvrlje F, Batinica M, Toledano H, Hoffman T, Ezer-Cohen Y, Michowiz S, Yaniv I, Cohen IJ, Adler I, Mindel S, Gopalakrishnamoorthy M, Saunders D, Gaze M, Spoudeas H, Kieffer V, Dellatolas G, Chevignard M, Puget S, Dhermain F, Grill J, Dufour C, Muir R, Hunter A, Latchman A, de Camargo O, Scheinemann K, Dhir N, Zaky W, Zomorodian T, Wong K, Dhall G, Macy M, Lauro C, Zeitler P, Foreman N, Liu A, Chocholous M, Dodier P, Peyrl A, Dieckmann K, Hausler G, Slavc I, Avula S, Kumar R, Mallucci C, Pettorini B, Garlick D, Pizer B, Armstrong G, Kawashima T, Leisenring W, Stovall M, Sklar C, Robison L, Samaan C, Duckworth J, Scheinemann K, Greenberg-Kushnir N, Freedman S, Eshel R, Zverling N, Elhasid R, Dvir R, Yalon M, Kulkarni AV, Constantini S, Wilne S, Liu JF, Trusler J, Lundsell S, Kennedy C, Clough L, Dickson N, Lakhanpaul M, Baker M, Dudley J, Grundy R, Walker D, von Hoff K, Herzog N, Ottensmeier H, Grabow D, Gerber NU, Friedrich C, von Bueren AO, Resch A, Kortmann RD, Kaatsch P, Doerr HG, Rutkowski S, del Bufalo F, Mastronuzzi A, Serra A, de Sio L, Locatelli F, Biassoni V, Leonardi M, Ajovalasit D, Riva D, Vago C, Usilla A, Fidani P, Serra A, Schiavello E, Gariboldi F, Massimino M, Lober R, Perrault S, Partap S, Edwards M, Fisher P, Yeom K, Salgado D, Nunes S, Vinhais S, Salgado D, Nunes S, Vinhais S, Wells EM, Seidel K, Ullrich NJ, Leisenring W, Armstrong G, Diller L, King A, Krull KR, Neglia J, Robison LL, Stovall M, Whelan K, Sklar C, Russell CE, Bouffet E, Brownstone D, Kaise C, Kennedy C, Bull K, Culliford D, Chevignard M, Spoudeas H, Calaminus G, Bertin D, Vallero S, Romano E, Basso ME, Biasin E, Fagioli F, Ziara K, L'Hotta A, Williams A, Thede R, Moore K, James A, King A, Bjorn E, Franzen P, Haag A, Lax AK, Moreno I, Scheinemann K, Obeid J, Timmons BW, Iwata W, Wagner S, Lai JS, Waddell K, VanLeeuwen S, Newmark M, Noonan J, O'Connell K, Urban M, Yount S, Goldman S, Piscione J, Igoe D, Cunningham T, Orfus M, Bouffet E, Mabbott D, Liptak C, Manley P, Recklitis C, Zhang P, Shaikh F, Narang I, Bouffet E, Matsumoto K, Yamasaki K, Okada K, Fujisaki H, Osugi Y, Hara J, Phipps K, Gumley D, Jacques T, Hargrave D, Saunders D, Michalski A, Manley P, Chordas C, Chi S, Robison N, Bandopadhayay P, Marcus K, Zimmerman MA, Goumnerova L, Kieran M, Brand S, Brinkman T, Chordas C, Delaney B, Diver T, Rey C, Manley P, Liptak C, Madden JR, Hemenway MS, Dorneman L, Stiller D, Liu AK, Foreman NK, Vibhakar R, Mitchell M, Hemenway M, Foreman N, Madden J, Reddick W, Glass J, Li Y, Ogg R, Gajjar A, Ryan M, O'Kane R, Picton S, Kenny T, Stiller C, Chumas P, Bendel A, Patterson R, Barrera M, Schulte F, Bartels U, Janzen L, Johnston D, Cataudella D, Chung J, Sung L, Hancock K, Hukin J, Zelcer S, Brandon S, Montour-Proulx I, Strother D, Cooksey R, Bowers D, Gargan L, Gode A, Klesse L, Oden J, Vega G, Sala F, Nuzzi D, Mulino M, Masotto B, Mazza C, Bricolo A, Gerosa M, Tong M, Bouffet E, Laughlin S, Mackie S, Taylor L, Sharpe G, Al-Salihi O, Nicolin G. QUALITY OF LIFE/AFTERCARE. Neuro Oncol 2012; 14:i125-i139. [PMCID: PMC3483352 DOI: 10.1093/neuonc/nos106] [Citation(s) in RCA: 2] [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: 08/03/2023] Open
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Gieseking A, Williams P, Piamjariyakul U, Kelly K, Dobos C, Connor R, Williams A, Sheehan K, Devorin B, Hoeppner C, Lucas M, Barakat L, Hobbie W, Deatrick J, Black K, Beaudoin W, McDonald C, Tulloh R, Montero L, Frias C, Canete A, Pablo M, Rebeca C, Miguel H, Patricia S, Victoria C, Avula S, Abernethy L, Pizer B, Pettorini B, Williams D, Mallucci C, Lafond D, DeLuca H, Steacy K, Cullen P, Moore I, Yeh-Nayre L, Le Floch N, Levy M, Donoghue D, Crawford J, Hoeppner C, Paiva P, Cappellano A, Dias C, Silva N, Clark E, Hemenway M, Madden J, Foreman N, Dorneman L, Rossiter J, Arvanitis T, Natarajan K, Wilson M, Davies N, Gill S, Grazier R, Crouch J, Auer D, Clark C, Grundy R, Hargrave D, Howe F, Jaspan T, Leach M, MacPherson L, Payne G, Saunders D, Peet A, Madden JR, Bess H, Chordas C, LaFond D, Packer R, Hilden J, Smith A, Chi S, Marcus K, Foreman NK, Liu AK, Bess H, Stillwell D, Olavarria G, Thomas D, Smith A. NURSING. Neuro Oncol 2012. [DOI: 10.1093/neuonc/nos105] [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: 11/12/2022] Open
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George DJ, Halabi S, Zurita AJ, Creel P, Mundy K, Turnbull JD, Yenser Wood SE, Armstrong AJ, Varley RJ, Madden J, Moul JW. Investigator-initiated pilot study of sunitinib malate in patients with newly diagnosed prostate cancer prior to prostatectomy: A trial of the DoD/PCF Prostate Cancer Clinical Trials Consortium. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.4664] [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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Madden J, Kobaly K, Minich NM, Schluchter M, Wilson-Costello D, Hack M. Improved weight attainment of extremely low-gestational-age infants with bronchopulmonary dysplasia. J Perinatol 2010; 30:103-11. [PMID: 19798043 PMCID: PMC2834327 DOI: 10.1038/jp.2009.142] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [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: 02/04/2009] [Revised: 07/20/2009] [Accepted: 08/13/2009] [Indexed: 12/05/2022]
Abstract
OBJECTIVE To determine whether changes in neonatal practice and morbidity since 2000 have improved the growth attainment of infants with bronchopulmonary dysplasia (BPD). STUDY DESIGN We compared the respective z-scores of the weight, length and head circumference of extremely low-gestational-age infants (aged <28 weeks) with BPD at birth, 40 weeks and 20 months corrected age (CA) during two time periods, namely period I, 1996-1999 (n=117) and period II, 2000-2003 (n=105), and examined the effects of significant changes in neonatal practice, morbidities and neurosensory outcome on 20-month growth outcomes. RESULT During the most recent period (2000-2003), there was a significant increase in mean weight z-scores (-1.60 vs -1.22) and decrease in rates of subnormal weight (40 vs 21%), P<0.05 at 20 months CA but not in those of length or head circumference. Significant predictors of the 20-month weight z-score included time period (period I vs II), duration of ventilator dependence and 20-month neurosensory abnormality (all P<0.05). CONCLUSION Despite an improvement in weight since 2000, poor growth attainment remains a major problem among infants with BPD.
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Affiliation(s)
- J Madden
- Departments of Pediatrics and Epidemiology and Biostatistics, Case Western Reserve University, Cleveland, OH, USA
| | - K Kobaly
- Departments of Pediatrics and Epidemiology and Biostatistics, Case Western Reserve University, Cleveland, OH, USA
| | - N M Minich
- Departments of Pediatrics and Epidemiology and Biostatistics, Case Western Reserve University, Cleveland, OH, USA
| | - M Schluchter
- Departments of Pediatrics and Epidemiology and Biostatistics, Case Western Reserve University, Cleveland, OH, USA
| | - D Wilson-Costello
- Departments of Pediatrics and Epidemiology and Biostatistics, Case Western Reserve University, Cleveland, OH, USA
| | - M Hack
- Departments of Pediatrics and Epidemiology and Biostatistics, Case Western Reserve University, Cleveland, OH, USA
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Patel P, Melissa S, Brunko M, Domeier R, Funk D, Greenberg R, Judge T, Lowell M, MacDonald R, Madden J, Thomas S, Howard Z. 196: Intubation Success Rates in Helicopter Emergency Medical Services: A Prospective Multicenter Analysis. Ann Emerg Med 2009. [DOI: 10.1016/j.annemergmed.2009.06.224] [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: 10/20/2022]
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Madden J, Shearman CP, Dunn RL, Dastur ND, Tan RM, Nash GB, Rainger GE, Brunner A, Calder PC, Grimble RF. Altered monocyte CD44 expression in peripheral arterial disease is corrected by fish oil supplementation. Nutr Metab Cardiovasc Dis 2009; 19:247-252. [PMID: 18804988 DOI: 10.1016/j.numecd.2008.06.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2008] [Revised: 06/23/2008] [Accepted: 06/23/2008] [Indexed: 11/27/2022]
Abstract
BACKGROUND AND AIMS CD44 and its splice variants can be expressed on all leukocytes, conferring adhesive properties and enhancing cellular recruitment to the endothelium during inflammation. CD44 expression is increased in inflammatory conditions such as rheumatoid arthritis and CD44 variant 3 (CD44v3) expression may be associated with inflammation. We have examined CD44 and CD44v3 expression on peripheral blood monocytes from patients with peripheral arterial disease (PAD) and healthy controls. We have also examined the effect of fish oil supplementation on these markers. METHODS AND RESULTS CD44 and CD44v3 were assessed at baseline and following dietary supplementation with fish oil for 12 weeks in both PAD and control groups. Monocytes from PAD patients had higher CD44 expression than those from controls (median intensity fluorescence (MIF): 480+/-278 vs 336+/-251 (mean+/-SD); p<0.001). Following 12 weeks' dietary supplementation with fish oil, CD44 expression was reduced in PAD patients (MIF: 480+/-278 vs 427+/-262; p=0.05) but not in controls (336+/-251 vs 355+/-280; ns). Monocyte CD44v3 expression was lower in cultured monocytes from PAD patients compared to those from controls (0.15+/-0.15 vs 0.22+/-0.14 OD units; p<0.02). This was increased in the PAD group following fish oil supplementation (0.15+/-0.14 to 0.27+/-0.23 OD units; p<0.001). CONCLUSION Monocyte CD44 and CD44v3 expression are altered in arterial disease but are returned towards levels seen in control subjects by dietary fish oil supplementation.
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Affiliation(s)
- J Madden
- Institute of Human Nutrition, University of Southampton, Tremona Road,Southampton, UK.
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Sawicki G, Vilk Y, Schatz M, Kleinman K, Abrams A, Gutierrez B, Madden J. Trends in Uncontrolled Asthma and Asthma-Related Costs Using Health Plan Data From 2002 to 2007. J Allergy Clin Immunol 2009. [DOI: 10.1016/j.jaci.2008.12.152] [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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Lu X, Sankin G, Pua EC, Madden J, Zhong P. Activation of transgene expression in skeletal muscle by focused ultrasound. Biochem Biophys Res Commun 2008; 379:428-33. [PMID: 19118526 DOI: 10.1016/j.bbrc.2008.12.090] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2008] [Accepted: 12/16/2008] [Indexed: 01/25/2023]
Abstract
To correlate thermal dose from focused ultrasound (FUS) with gene expression and tissue injury, a temperature plateau strategy was employed. Plasmids encoding luciferase gene under the control of hsp70B promoter were transfected into the right gastrocnemius muscle in a rat via electroporation. One day after transfection, hind limbs were treated with 3.3-MHz focused ultrasound, using one of four different temperature plateaus with spatial-peak time-average focal temperatures (T(SPTA)) of 46 degrees C, 48 degrees C, 51 degrees C and 62 degrees C. The treatment duration at the plateau temperature was varied from 0 to 30s. Gene expression was analyzed in vivo one day following FUS treatment, and H&E staining was employed to assess tissue injury. Gene activation and tissue damage correlated closely with thermal dose. The highest level of gene activation was induced by FUS at T(SPTA)=51 degrees C for 20s, which was found to be statistically equivalent to that produced by water-bath hyperthermia.
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Affiliation(s)
- X Lu
- Department of Mechanical Engineering and Materials Sciences, Pratt School of Engineering, Duke University, Durham, NC 27708, USA
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Pham T, Madden J, Selim M, Herman C. Multifocal Infantile Fibromatosis. J Cutan Pathol 2008. [DOI: 10.1111/j.0303-6987.2005.320fn.x] [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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McGonagle D, Tan AL, Madden J, Taylor L, Emery P. Rituximab use in everyday clinical practice as a first-line biologic therapy for the treatment of DMARD-resistant rheumatoid arthritis. Rheumatology (Oxford) 2008; 47:865-7. [DOI: 10.1093/rheumatology/ken103] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [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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McGonagle D, Tan AL, Madden J, Rawstron AC, Rehman A, Emery P, Thomas S. Successful treatment of resistant scleroderma-associated interstitial lung disease with rituximab. Rheumatology (Oxford) 2007; 47:552-3. [DOI: 10.1093/rheumatology/kem357] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.8] [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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McGonagle D, Tan AL, Shankaranarayana S, Madden J, Emery P, McDermott MF. Management of treatment resistant inflammation of acute on chronic tophaceous gout with anakinra. Ann Rheum Dis 2007; 66:1683-4. [PMID: 17998217 DOI: 10.1136/ard.2007.073759] [Citation(s) in RCA: 121] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Luu NT, Madden J, Calder PC, Grimble RF, Shearman CP, Chan T, Tull SP, Dastur N, Rainger GE, Nash GB. Comparison of the pro-inflammatory potential of monocytes from healthy adults and those with peripheral arterial disease using an in vitro culture model. Atherosclerosis 2007; 193:259-68. [PMID: 16982061 DOI: 10.1016/j.atherosclerosis.2006.08.050] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2005] [Revised: 08/16/2006] [Accepted: 08/24/2006] [Indexed: 10/24/2022]
Abstract
We adapted a monocyte:endothelial cell co-culture model to investigate the pro-inflammatory potential of monocytes from patients with peripheral arterial disease (PAD). Isolated monocytes were cultured with human umbilical vein endothelial cells (HUVEC) for 24h, after which the ability of the HUVEC to recruit flowing neutrophils was tested. Development of a usable protocol required comparisons of primary HUVEC with cells that had been passaged and/or frozen and thawed, evaluation of optimal culture media and comparison of monocytes from freshly drawn and stored blood. We found, for instance, that expansion of HUVEC was assisted by inclusion of hydrocortisone, but this agent was withdrawn before the test phase because it reduced responses of HUVEC. Using the optimal practical protocol, we found great variation in the ability of monocytes from different donors to cause neutrophil adhesion. Slightly more ( approximately 20%) monocytes from patients with PAD adhered to HUVEC than monocytes from healthy controls, and the monocytes from PAD patients induced approximately 70% greater subsequent adhesion of neutrophils. Thus, we developed a functional model of inflammatory potential usable in clinically-related studies and found that patients with PAD had circulating monocytes with greater than normal ability to activate endothelial cells.
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Affiliation(s)
- N T Luu
- Centre for Cardiovascular Sciences, Department of Physiology, Medical School, The University of Birmingham, Birmingham B15 2TT, UK
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Cederholm T, Persson M, Andersson P, Stenvinkel P, Nordfors L, Madden J, Vedin I, Wretlind B, Grimble RF, Palmblad J. Polymorphisms in cytokine genes influence long-term survival differently in elderly male and female patients. J Intern Med 2007; 262:215-23. [PMID: 17645589 DOI: 10.1111/j.1365-2796.2007.01803.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
OBJECTIVES We asked if single nucleotide polymorphisms (SNP) in inflammatory cytokine genes related to 3-year survival in ill elderly subjects and if genotypes differed between the elderly and a younger control population. DESIGN Prospective observational study. SETTING Two geriatric departments at a university hospital. SUBJECTS Eighty three acutely admitted geriatric patients (83 +/- 7 year, 70% women) and 207 young healthy subjects (40 +/- 1 year, 37% women) were included. OUTCOME MEASURES Single nucleotide polymorphisms in the genes of tumour necrosis factor (TNF)-alpha-308 G/A, interleukin (IL)-1beta-511 C/T, IL-6-174 G/C and IL-10-1082 A/G were analysed. In the geriatric patients SNP in lymphotoxin (LT)-alpha +252 G/A and serum levels of TNF-alpha, IL-6, IL-10, soluble IL-I receptor(R)II were also determined, as well as the 3-year mortality. RESULTS The allele distribution did not differ significantly between the elderly and the young. In the female elderly, 3-year survival was doubled (P < 0.05) in those with the high-producing genotypes of IL-6 -174 GG and TNF-alpha -308 GA compared with those with low-producing alleles. In contrast, men with high-producing LT-alpha +252 AA and IL-1beta-511 CT&TT genotypes displayed halved 3-year survival (P < 0.05) compared with those with low-producing genotypes, whereas possession of the high-producing IL-10 -1082 GG genotype favoured survival. Serum IL-10 was higher in the high-producing IL-10 genotype in females. CONCLUSION As high-producing IL-6 -174 genotype favoured 3-year survival in women, whereas the likewise high-producing LT-alpha +252 and IL-1beta -511 genotypes were associated with poor survival in men, we conclude that the specific genotypes, in association with gender, may act as determinants for survival in elderly patients.
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Affiliation(s)
- T Cederholm
- Department of Public Health and Caring Sciences, Uppsala University Hospital, Uppsala, Sweden.
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35
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Hu CK, McCall S, Madden J, Huang H, Clough R, Jirtle RL, Anscher MS. Loss of heterozygosity of M6P/IGF2R gene is an early event in the development of prostate cancer. Prostate Cancer Prostatic Dis 2005; 9:62-7. [PMID: 16304558 DOI: 10.1038/sj.pcan.4500842] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [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: 01/18/2023]
Abstract
BACKGROUND The genetic events leading to initiation and/or progression of prostate cancer are not well characterized. The gene coding for the mannose 6-phosphate/insulin-like growth factor 2 receptor (M6P/IGF2R) has recently been identified as a tumor suppressor in several types of cancer. The purpose of the present study is to determine whether the M6P/IGF2R gene is inactivated in human prostate cancer, and if so, whether this is an early or late transformational event. METHODS In total, 43 patients with prostate cancer treated by radical prostatectomy, with archival material available for analysis, were assessed for loss of heterozygosity (LOH) in the M6P/IGF2R gene using six different gene-specific nucleotide polymorphisms. Regions of tumor, normal prostate and premalignant high-grade prostate intraepithelial neoplasia (PIN) were identified and cells were excised by laser capture microdissection (LCM). DNA segments were amplified using polymerase chain reaction (PCR). RESULTS The M6P/IGF2R gene was polymorphic in 83.7% (36/43) of patients, and 41.7% (15/36) of these informative patients had LOH in the tumor tissue. In 11/15 patients with LOH in malignant tissue, high-grade PIN could be identified, and 63.6% (7/11) also had LOH in this premalignant tissue. CONCLUSIONS This study is the first to find that the M6P/IGF2R gene is inactivated in prostate cancer. LOH in premalignant tissue as well suggests that mutation in the M6P/IGF2R gene is an early event in the development of prostate cancer, supporting the conclusion that it functions as a tumor suppressor gene in this disease.
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Affiliation(s)
- C K Hu
- Department of Radiation Oncology, Duke University Medical Center, Durham, NC 27710, USA
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Adriaanse H, Douglas J, Barnett B, Madden J, Kaufmann R, Meintjes M. Clinical IVF Outcome of Mixed Luteal Agonist and Antagonist Stimulation Protocols for Poor and Good Responder Patients. Fertil Steril 2005. [DOI: 10.1016/j.fertnstert.2005.07.784] [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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Marek D, Madden J, Chantilis S, Kaufmann R, Lynch D, Meintjes M. The Effect of a Comprehensive Incentive Program on Patient Participation in Elective Single Blastocyst Transfers. Fertil Steril 2005. [DOI: 10.1016/j.fertnstert.2005.07.208] [Citation(s) in RCA: 3] [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: 11/24/2022]
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Ward D, Chantilis S, Madden J, Bookout D, Guerami A, Meintjes M. Expectations for Blastocyst Cryopreservation and Frozen-Thawed Blastocyst Transfer Outcomes. Fertil Steril 2005. [DOI: 10.1016/j.fertnstert.2005.07.458] [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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Perez O, Barnett B, Douglas J, Rodriguez A, Madden J, Meintjes M. Severe Male Factor does not Affect Single Blastocyst Transfer or Blastocyst Cryopreservation Outcomes. Fertil Steril 2005. [DOI: 10.1016/j.fertnstert.2005.07.193] [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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Hu C, McCall S, Madden J, Huang H, Clough R, Rabbani Z, Jirtle R, Anscher M. Loss of heterozygosity in the M6P/IFG2R gene is an early event in the development of prostate cancer. Int J Radiat Oncol Biol Phys 2004. [DOI: 10.1016/j.ijrobp.2004.07.371] [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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Grimble R, Andersson P, Madden J, Palmblad J, Persson M, Vedin I, Cederholm T. Gene: Gene interactions influence the outcome in elderly patients. Clin Nutr 2003. [DOI: 10.1016/s0261-5614(03)80145-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [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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42
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Donabedian SM, Thal LA, Hershberger E, Perri MB, Chow JW, Bartlett P, Jones R, Joyce K, Rossiter S, Gay K, Johnson J, Mackinson C, Debess E, Madden J, Angulo F, Zervos MJ. Molecular characterization of gentamicin-resistant Enterococci in the United States: evidence of spread from animals to humans through food. J Clin Microbiol 2003; 41:1109-13. [PMID: 12624037 PMCID: PMC150269 DOI: 10.1128/jcm.41.3.1109-1113.2003] [Citation(s) in RCA: 134] [Impact Index Per Article: 6.4] [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: 11/20/2022] Open
Abstract
We evaluated the molecular mechanism for resistance of 360 enterococci for which the gentamicin MICs were >/=128 micro g/ml. The aac(6')-Ie-aph(2")-Ia, aph(2")-Ic, and aph(2")-Id genes were identified by PCR in isolates from animals, food, and humans. The aph(2")-Ib gene was not identified in any of the isolates. Two Enterococcus faecalis isolates (MICs > 1,024 micro g/ml) from animals failed to generate a PCR product for any of the genes tested and likely contain a new unidentified aminoglycoside resistance gene. Pulsed-field gel electrophoresis (PFGE) analysis showed a diversity of strains. However, 1 human and 18 pork E. faecalis isolates from Michigan with the aac(6')-Ie-aph(2")-Ia gene had related PFGE patterns and 2 E. faecalis isolates from Oregon (1 human and 1 grocery store chicken isolate) had indistinguishable PFGE patterns. We found that when a gentamicin-resistant gene was present in resistant enterococci from animals, that gene was also present in enterococci isolated from food products of the same animal species. Although these data indicate much diversity among gentamicin-resistant enterococci, the data also suggest similarities in gentamicin resistance among enterococci isolated from humans, retail food, and farm animals from geographically diverse areas and provide evidence of the spread of gentamicin-resistant enterococci from animals to humans through the food supply.
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Affiliation(s)
- S M Donabedian
- Division of Infectious Disease, Department of Medicine, William Beaumont Hospital, Royal Oak, Detroit, Michigan 48073, USA
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Bakakos P, Pickard C, Wong WM, Ayre KR, Madden J, Frew AJ, Hodges E, Cawley MID, Smith JL. Simultaneous analysis of T cell clonality and cytokine production in rheumatoid arthritis using three-colour flow cytometry. Clin Exp Immunol 2002; 129:370-8. [PMID: 12165096 PMCID: PMC1906436 DOI: 10.1046/j.1365-2249.2002.01868.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
In this study we examined the cytokine production by T cells and TCRVbeta subsets in peripheral blood (PB) and synovial fluid (SF) from six RA patients and PB from 10 normal subjects, using three-colour flow cytometry. In two RA subjects we assessed T cell clonality by RT PCR using TCRBV family-specific primers and analysed the CDR3 (complementarity determining region 3) length by GeneScan analysis. A high percentage of IFN-gamma- and IL-2- producing cells was observed among the PB T cells in both the RA patients and normal controls and among the SF T cells in RA patients. In contrast, the percentage of T cells producing IL-4 and IL-5 was small among PB T cells in both RA patients and normal controls and among SF T cells in RA patients. There was no significant difference in the production of IFN-gamma, IL-2 and IL-5 between the two compartments (PB and SF); however, there were significantly more IL-4-producing cells in SF. Molecular analysis revealed clonal expansions of four TCRBV families in SF of two of the RA patients studied: TCRBV6.7, TCRBV13.1 and TCRBV22 in one and TCRBV6.7, TCRBV21.3 and TCRBV22 in the second. These expansions demonstrated cytokine expression profiles that differed from total CD3+ cells, implying that T cell subsets bearing various TCR-Vbeta families may have the potential to modulate the immune response in RA patients.
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Affiliation(s)
- P Bakakos
- Department of University of Medicine, Southampton General Hospital, Southampton, UK
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Layfield LJ, Cramer H, Madden J, Gopez EV, Liu K. Atypical squamous epithelium in cytologic specimens from the pancreas: cytological differential diagnosis and clinical implications. Diagn Cytopathol 2001; 25:38-42. [PMID: 11466811 DOI: 10.1002/dc.1099] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.3] [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: 11/08/2022]
Abstract
Atypical squamous epithelium is an uncommon finding in cytologic specimens obtained from pancreatic lesions. A variety of pathologic conditions can result in the presence of these cells, including primary or metastatic carcinomas, chronic pancreatitis, and squamous metaplasia related to pancreatic or biliary duct stent placement. Primary adenosquamous and squamous-cell carcinomas of the pancreas are rare, representing 3.4% and 1.4 % of pancreatic carcinomas, respectively. Cytologic separation of these malignancies from less ominous metaplasias has immense clinical importance. We reviewed Indiana University Hospital's and Duke University's experiences with atypical squamous epithelium occurring within pancreatic aspirates. Study cases were identified using a computer to search the cytology records of these two institutions. Nine cases with a diagnosis of squamous-cell carcinoma, adenosquamous carcinoma, or atypical squamous epithelium were retrieved from the two institutions' Department of Pathology files. One case of pure squamous-cell carcinoma occurred in a patient with a known pulmonary primary; a single case of adenosquamous carcinoma was diagnosed in a patient with a coexistent endometrial primary; a single sample of adenocarcinoma with squamous differentiation was diagnosed in a patient without other known disease; and four primary squamous-cell carcinomas of the pancreas were detected. In addition, a single case of atypical squamous metaplasia associated with a stent was identified, and one case of atypical squamous epithelium associated with chronic pancreatitis was diagnosed. Despite the reactive atypia present in the examples of metaplastic squamous epithelium, separation of these cases from true squamous-cell carcinoma and adenosquamous carcinoma was achievable by cytologic evaluation. No cytologic criteria aided in separating primary pancreatic carcinomas with squamous differentiation from metastatic lesions. In this study, we report our findings in a series of nine cases where cytology disclosed atypical squamous epithelium in the aspirates derived from pancreatic lesions.
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Affiliation(s)
- L J Layfield
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah 84101, USA
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Abstract
Inter- and intraspecific variations in the sizes of specific avian brain regions correspond to the complexity of the behaviour that they govern. However, no study has demonstrated a relationship between gross brain size and behavioural complexity, a hypothesis that has been proposed to explain the unusually large human brain. I show, using X-rays of museum specimens, that species of bowerbirds that build bowers have relatively larger brains than both related and ecologically similar but unrelated species that do not build bowers. Bower design varies across species from simple cleared courts to ornate, hut-like structures large enough to contain a small child. Furthermore, species building more complex bowers have relatively larger brains, both within each of the two different bower-building clades and across the family as a whole, controlling for phylogeny. Such gross differences in brain size are surprising and may reflect the range of cognitive processes necessary for successful bower building, The relationships are strongest for males, the bower-building sex, although there is a similar trend in females. Because the size and complexity of bower design is targeted by female choice, the observation that relative brain size is related to bower complexity suggests that sexual selection may drive gross brain enlargement.
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Affiliation(s)
- J Madden
- Department of Animal and Plant Sciences, University of Sheffield, UK.
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Sekula JJ, Liao RP, Madden J, Price DT. Transitional cell carcinoma in a prostatic remnant 10 years after radical cystectomy. J Urol 2001; 165:1222. [PMID: 11257685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Affiliation(s)
- J J Sekula
- Division of Urology, Department of Surgery, Duke University Medical Center, Durham, North Carolina, USA
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Redington AE, Roche WR, Madden J, Frew AJ, Djukanovic R, Holgate ST, Howarth PH. Basic fibroblast growth factor in asthma: measurement in bronchoalveolar lavage fluid basally and following allergen challenge. J Allergy Clin Immunol 2001; 107:384-7. [PMID: 11174209 DOI: 10.1067/mai.2001.112268] [Citation(s) in RCA: 77] [Impact Index Per Article: 3.3] [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: 12/11/2022]
Abstract
Airway remodeling in asthma refers to a collection of chronic structural changes including subepithelial fibrosis, airway smooth muscle hypertrophy/hyperplasia, and possibly angiogenesis. The mechanisms leading to remodeling are not well defined. One molecule of possible relevance is basic fibroblast growth factor (bFGF), which is a potent mitogen for fibro-blasts, airway smooth muscle cells, and endothelial cells. To test the hypothesis that bFGF expression is increased in asthma, we measured levels of the growth factor in bronchoalveolar lavage (BAL) fluid. Basally, BAL fluid bFGF concentrations were significantly higher in subjects with atopic asthma than in control subjects without asthma (median 0.22 vs 0.06 pg/mL, P = .003). The effect of acute allergen exposure was examined with a segmental bronchoprovocation model in a separate group of subjects with atopic asthma. Ten minutes after segmental bronchoprovocation there was a 5-fold increase in bFGF levels in BAL fluid recovered from allergen-challenged sites compared with control saline-challenged sites (1.52 vs 0.30 pg/mL, P < .002). We conclude that basal levels of BAL fluid bFGF are increased in atopic asthma and that a further increase occurs in response to acute allergen exposure. These findings lend support to the hypothesis that bFGF is implicated in airway remodeling in asthma.
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Affiliation(s)
- A E Redington
- University Medicine and University Pathology, Southampton General Hospital, United Kingdom
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Abstract
Hepatic steatosis is associated with significant morbidity and mortality after liver resection and transplantation. Although apoptosis is a key mechanism of reperfusion injury in the normal liver, the pathway leading to cell death in steatotic hepatocytes is unknown. A model of hepatic ischemia and reperfusion injury in fatty and lean Zucker rats was used. Fatty animals had increased aspartate aminotransferase (AST) release and decreased survival after 60 minutes of ischemia compared with lean animals. Apoptosis was the predominant form of cell death in the lean rats (82%), whereas necrosis was minimal. In contrast, fatty animals developed only moderate amounts of apoptosis but showed massive necrosis (73%) after 24 hours of reperfusion. Intracellular mediators of apoptosis, such as caspase 8, caspase 3, and cytochrome c, were significantly lower in the steatotic than in the lean liver indicating dysfunction in activation of the apoptotic pathway. The high percentage of necrosis in the steatotic rats was associated with renal acute tubular necrosis after 24 hours of reperfusion in the fatty, but not in lean rats. Caspase inhibition significantly decreased reperfusion injury in lean animals, but was ineffective in fatty animals. The results indicate that the increased susceptibility of fatty livers to reperfusion injury is associated with a change from an apoptotic form of cell death to necrosis. We conclude that new therapeutic strategies are necessary in the fatty liver.
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Affiliation(s)
- M Selzner
- Department of Surgery, Duke University Medical Center, Durham, NC, USA
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Redington AE, Wilson JW, Walls AF, Madden J, Djukanovic R, Holgate ST, Howarth PH. Persistent airway T-lymphocyte activation in chronic corticosteroid-treated symptomatic asthma. Ann Allergy Asthma Immunol 2000; 85:501-7. [PMID: 11152173 DOI: 10.1016/s1081-1206(10)62579-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [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: 11/17/2022]
Abstract
BACKGROUND A small proportion of patients with asthma have persistent symptoms despite regular treatment with high-dose inhaled and/or oral corticosteroids. There is little information regarding immunopathology in such patients. OBJECTIVE To compare airway inflammatory changes in subjects with chronic corticosteroid-dependent symptomatic asthma (n = 5) and subjects with asthma that was clinically well controlled on inhaled corticosteroid therapy (n = 9). Subjects in the corticosteroid-dependent group were receiving long-term treatment with oral prednisolone and high-dose inhaled corticosteroids. METHODS Subjects underwent fiberoptic bronchoscopy with bronchoalveolar lavage (BAL) and bronchial biopsy. T-lymphocytes subsets and activation markers in BAL fluid and peripheral blood were determined by FACS analysis. Bronchial biopsies were stained immunohistochemically, and numbers of inflammatory cells quantitated. Inflammatory mediators in BAL fluid were measured by immunoassay. RESULTS There was significantly greater expression of CD25 (P = .02) and HLA-DR (P = .04) by BAL fluid T-lymphocytes in corticosteroid-treated symptomatic asthmatics. In bronchial biopsies there were no significant differences between the two groups in the numbers of AA1+ cells (mast cells), EG2+ cells (eosinophils) or MT1+ T-lymphocytes. Levels of albumin, histamine, tryptase, and eosinophil cationic protein in BAL fluid did not differ significantly between groups. CONCLUSIONS Chronic corticosteroid-treated symptomatic asthma is associated with persistent airway T-lymphocyte activation. This, however, is not necessarily accompanied by the recruitment and activation of inflammatory cells within the airways.
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Affiliation(s)
- A E Redington
- University Medicine, Southampton General Hospital, England
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Meintjes M, Madden J, Douglas J, Barnett B, Rodriguez A, Chantilis S. Increased Incidence of Monozygotic Twinning When Transferring Blastocyts: Laboratory or Clinical. Fertil Steril 2000. [DOI: 10.1016/s0015-0282(00)00922-5] [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: 10/18/2022]
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