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De Wachter E, De Boeck K, Sermet-Gaudelus I, Simmonds NJ, Munck A, Naehrlich L, Barben J, Boyd C, Veen SJ, Carr SB, Fajac I, Farrell PM, Girodon E, Gonska T, Grody WW, Jain M, Jung A, Kerem E, Raraigh KS, van Koningsbruggen-Rietschel S, Waller MD, Southern KW, Castellani C. ECFS standards of care on CFTR-related disorders: Towards a comprehensive program for affected individuals. J Cyst Fibros 2024:S1569-1993(24)00011-0. [PMID: 38388234 DOI: 10.1016/j.jcf.2024.01.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/25/2024] [Accepted: 01/29/2024] [Indexed: 02/24/2024]
Abstract
After three publications defining an updated guidance on the diagnostic criteria for people with cystic fibrosis transmembrane conductance regulator (CFTR)-related disorders (pwCFTR-RDs), establishing its relationship to CFTR-dysfunction and describing the individual disorders, this fourth and last paper in the series addresses some critical challenges facing health care providers and pwCFTR-RD. Topics included are: 1) benefits and obstacles to collect data from pwCFTR-RD are discussed, together with the opportunity to integrate them into established CF-registries; 2) the potential of infants designated CRMS/CFSPID to develop a CFTR-RD and how to communicate this information; 3) a description of the challenges in genetic counseling, with particular regard to phenotypic variability, unknown long-term evolution, CFTR testing and pregnancy termination 4) a proposal for the assessment of potential barriers to the implementation and dissemination of the produced documents to health care professionals involved in the care of pwCFTR-RD and a process to monitor the implementation of the CFTR-RD recommendations; 5) clinical trials investigating the efficacy of CFTR modulators in CFTR-RD and how endpoints and outcomes might be adapted to the heterogeneity of these disorders.
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Affiliation(s)
- E De Wachter
- Cystic Fibrosis Center, Pediatric Pulmonology department, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium.
| | - K De Boeck
- Department of Pediatrics, University of Leuven, Leuven, Belgium
| | - I Sermet-Gaudelus
- INSERM U1151, Institut Necker Enfants Malades, Paris, France; Université de Paris, Paris, France; Centre de référence Maladies Rares, Mucoviscidose et maladies apparentées. Hôpital Necker Enfants malades, Paris, France
| | - N J Simmonds
- Adult Cystic Fibrosis Centre, Royal Brompton Hospital and Imperial College, London, UK
| | - A Munck
- Paediatric Cystic Fibrosis centre, Hôpital Necker Enfants Malades, AP-HP Paris, France
| | - L Naehrlich
- Department of Pediatrics, Justus-Liebig-University Giessen, Germany
| | - J Barben
- Paediatric Pulmonology & CF Centre, Children's Hospital of Eastern Switzerland, St. Gallen, Switzerland
| | | | | | - S B Carr
- Department of Paediatric Respiratory Medicine, Royal Brompton Hospital, and Imperial College, London, UK
| | - I Fajac
- Assistance Publique-Hôpitaux de Paris, Thoracic Department and National Cystic Fibrosis Reference Centre, Cochin Hospital, 75014 Paris, France; Université Paris Cité, Inserm U1016, Institut Cochin, 75014 Paris, France
| | - P M Farrell
- Departments of Pediatrics and Population Health Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI 53792, USA
| | - E Girodon
- Service de Médecine Génomique des Maladies de Système et d'Organe, APHP.Centre - Université de Paris Cité, Hôpital Cochin, Paris, France
| | - T Gonska
- Division of Pediatric Gastroenterology, Hepatology, Nutrition, Department of Pediatrics, University of Toronto, Toronto, Ontario, Canada; Program of Translational Medicine, Research institute, Hospital for Sick Children, Toronto, Canada
| | - W W Grody
- Departments of Pathology & Laboratory Medicine, Pediatrics, and Human Genetics, UCLA School of Medicine, Los Angeles, California 90095-1732, USA
| | - M Jain
- Northwestern University Feinberg School of Medicine, Pulmonary Critical Care, Chicago, Illinois, United States
| | - A Jung
- University Children`s Hospital Zurich, Steinwiesstrasse 75, CH-8032 Zurich, Switzerland
| | - E Kerem
- Department of Pediatrics and CF Center, Hadassah Hebrew University medical Center, Jerusalem, Israel
| | - K S Raraigh
- Department of Genetic Medicine, Johns Hopkins University, Baltimore, MD 21287, USA
| | | | - M D Waller
- Department of Adult Cystic Fibrosis and Respiratory Medicine, King's College Hospital NHS Foundation Trust, London, United Kingdom; Centre for Human & Applied Physiological Sciences, King's College London, London, United Kingdom
| | - K W Southern
- Department of Women's and Children's Health, University of Liverpool, Alder Hey Children's Hospital, Liverpool, UK
| | - C Castellani
- IRCCS Istituto Giannina Gaslini, Cystic Fibrosis Center, Genoa, Italy
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Schwamm LH, Kamel H, Granger CB, Piccini JP, Katz JM, Sethi PP, Sidorov EV, Kasner SE, Silverman SB, Merriam TT, Franco N, Ziegler PD, Bernstein RA, Abi-Samra F, Acosta I, Al Balushi A, Al-Awwad A, Alimohammad R, Alkahalifah M, Allred J, Alsorogi M, Arias V, Aroor S, Arora R, Asdaghi N, Asi K, Assar M, Badhwar N, Banchs J, Bansal S, Barrett C, Beaver B, Beldner S, Belt G, Bernabei M, Bernard M, Bhatt N, Black J, Bledsoe D, Bonaguidi H, Bonyak K, Boyd C, Cajavilca C, Caprio F, Carter J, Chancellor B, Chang C, Chaudhary G, Chaudhary S, Cheung P, Ching M, Chinitz L, Chiu D, Chokhawala H, Choudhuri I, Choudry S, Clayton S, Cross J, Cucchiara B, Culpepper A, Daniels J, Dash S, Del Brutto V, Deline C, Delpirou Nouh C, Deo R, Dhamoon M, Dillon G, Donsky A, Doshi A, Downey A, Dukkipati S, Epstein L, Etherton M, Fara M, Fayad PB, Felberg R, Flaster M, Frankel D, Furer S, Gadhia R, Gadient P, Garabelli P, Gibson D, Glotzer T, Goltz D, Gordon D, Graner S, Graybeal D, Grimes MR, Guerrero W, Hanna J, Hao Q, Hasabnis S, Hasan R, Heist EK, Horowitz D, Hourihane JM, Hussein H, Ishida K, Ismail H, Jadonath R, Jamal S, Jamnadas P, Jia J, Johnson M, Jung R, Kalafut M, Kalia J, Kandel A, Kasner S, Katz L, Katz J, Kaur G, Kearney M, Khatib S, Kim S, Kim C, Kipta J, Koch S, Koruth J, Kreger H, Krueger K, Kurian C, LaFranchise E, Lambrakos L, Langan MN, Lee R, Libman R, Lillemoe K, Logan W, Lord A, Lubitz S, Luciano J, Lynch J, Maccaro PC, Magadan A, Magun R, Malik M, Malik A, Manda S, Marulanda-Londono E, Matos Diaz I, Mattera B, McCall-Brown A, Mcclelland N, Meisel K, Memon Z, Mendelson S, Mendoza I, Merriam T, Messe S, Miles WM, Miller M, Mir O, Mitrani R, Morin D, Morris K, Moussavi M, Mowla A, Moye S, Mullen M, Mullins S, Neisen K, Nguyen C, Niazi I, Olson N, Olsovsky G, Ortiz G, Ostrander M, Pakala A, Parker B, Parker M, Passman R, Patel A, Patel A, Pickett RA(D, Polin G, Radoslovich G, Ramano J, Rami T, Ramirez D, Rasmussen J, Ray B, Reddy V, Reddy R, Reeves R, Regenhardt R, Rempe D, Rogers P, Rogers J, Rowe S, Rowley C, Ruff I, Sackett M, Sajjad R, Salem R, Saltzman M, Santangeli P, Saucedo S, Sawyer R, Schaller R, Seeger S, Sethi P, Shang T, Sharma J, Sharma R, Sheinart K, Shukla G, Shultz J, Sidorov E, Silverman S, Simonson J, Singh D, Skalabrin E, Sloane K, Smith M, Smith W, Soik D, Stavrakis S, Stein L, Steinberg JS, Sur N, Switzer D, Talpur N, Tansy A, Tempro K, Thavapalan V, Thomas A, Thomas K, Torres J, Torres L, Tuhrim S, Uddin P, Vidal G, Viswanathan A, Volpi J, Ward K, Weinberger J, Whang W, Wilder M, Willner J, Wright P, Yuan Q, Zhang C, Zhu D, Zide K, Zimmerman J, Zweifler R. Predictors of Atrial Fibrillation in Patients With Stroke Attributed to Large- or Small-Vessel Disease: A Prespecified Secondary Analysis of the STROKE AF Randomized Clinical Trial. JAMA Neurol 2023; 80:99-103. [PMID: 36374508 PMCID: PMC9664367 DOI: 10.1001/jamaneurol.2022.4038] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Importance The Stroke of Known Cause and Underlying Atrial Fibrillation (STROKE AF) trial found that approximately 1 in 8 patients with recent ischemic stroke attributed to large- or small-vessel disease had poststroke atrial fibrillation (AF) detected by an insertable cardiac monitor (ICM) at 12 months. Identifying predictors of AF could be useful when considering an ICM in routine poststroke clinical care. Objective To determine the association between commonly assessed risk factors and poststroke detection of new AF in the STROKE AF cohort monitored by ICM. Design, Setting, and Participants This was a prespecified analysis of a randomized (1:1) clinical trial that enrolled patients between April 1, 2016, and July 12, 2019, with primary follow-up through 2020 and mean (SD) duration of 11.0 (3.0) months. Eligible patients were selected from 33 clinical research sites in the US. Patients had an index stroke attributed to large- or small-vessel disease and were 60 years or older or aged 50 to 59 years with at least 1 additional stroke risk factor. A total of 496 patients were enrolled, and 492 were randomly assigned to study groups (3 did not meet inclusion criteria, and 1 withdrew consent). Patients in the ICM group had the index stroke within 10 days before insertion. Data were analyzed from October 8, 2021, to January 28, 2022. Interventions ICM monitoring vs site-specific usual care (short-duration external cardiac monitoring). Main Outcomes and Measures The ICM device automatically detects AF episodes 2 or more minutes in length; episodes were adjudicated by an expert committee. Cox regression multivariable modeling included all parameters identified in the univariate analysis having P values <.10. AF detection rates were calculated using Kaplan-Meier survival estimates. Results The analysis included the 242 participants randomly assigned to the ICM group in the STROKE AF study. Among 242 patients monitored with ICM, 27 developed AF (mean [SD] age, 66.6 [9.3] years; 144 men [60.0%]; 96 [40.0%] women). Two patients had missing baseline data and exited the study early. Univariate predictors of AF detection included age (per 1-year increments: hazard ratio [HR], 1.05; 95% CI, 1.01-1.09; P = .02), CHA2DS2-VASc score (per point: HR, 1.54; 95% CI, 1.15-2.06; P = .004), chronic obstructive pulmonary disease (HR, 2.49; 95% CI, 0.86-7.20; P = .09), congestive heart failure (CHF; with preserved or reduced ejection fraction: HR, 6.64; 95% CI, 2.29-19.24; P < .001), left atrial enlargement (LAE; HR, 3.63; 95% CI, 1.55-8.47; P = .003), QRS duration (HR, 1.02; 95% CI, 1.00-1.04; P = .04), and kidney dysfunction (HR, 3.58; 95% CI, 1.35-9.46; P = .01). In multivariable modeling (n = 197), only CHF (HR, 5.06; 95% CI, 1.45-17.64; P = .05) and LAE (HR, 3.32; 1.34-8.19; P = .009) remained significant predictors of AF. At 12 months, patients with CHF and/or LAE (40 of 142 patients) had an AF detection rate of 23.4% vs 5.0% for patients with neither (HR, 5.1; 95% CI, 2.0-12.8; P < .001). Conclusions and Relevance Among patients with ischemic stroke attributed to large- or small-vessel disease, CHF and LAE were associated with a significantly increased risk of poststroke AF detection. These patients may benefit most from the use of ICMs as part of a secondary stroke prevention strategy. However, the study was not powered for clinical predictors of AF, and therefore, other clinical characteristics may not have reached statistical significance. Trial Registration ClinicalTrials.gov Identifier: NCT02700945.
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Affiliation(s)
- Lee H. Schwamm
- Department of Neurology, Massachusetts General Hospital, Boston
| | - Hooman Kamel
- Department of Neurology, Weill Cornell Medicine, New York, New York,Deputy Editor, JAMA Neurology
| | - Christopher B. Granger
- Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina
| | - Jonathan P. Piccini
- Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina
| | - Jeffrey M. Katz
- Department of Neurology and Radiology, North Shore University Hospital, Manhasset, New York
| | - Pramod P. Sethi
- Guilford Neurology Associates, Moses H. Cone Hospital, Greensboro, North Carolina
| | - Evgeny V. Sidorov
- Department of Neurology, The University of Oklahoma Health Sciences Center, Oklahoma City
| | - Scott E. Kasner
- Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | | | | | - Noreli Franco
- Clinical Department, Medtronic, Minneapolis, Minnesota
| | | | - Richard A. Bernstein
- Davee Department of Neurology, Feinberg School of Medicine of Northwestern University, Chicago, Illinois
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Griesenbach U, Alton E, Boyd C, Chan M, Davies J, Gill D, Hyde S, McLachlan G, Meng C, Sergijenko A, Sinadinos A. 616 Cystic fibrosis gene therapy: Moving forward. J Cyst Fibros 2022. [DOI: 10.1016/s1569-1993(22)01306-6] [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: 11/06/2022]
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Boyd C, Ou S, Long S, Stitzlein R, Abi-Jaoudeh N. Abstract No. 578 Bone and soft tissue ablation of painful thoracic metastasis: single center review of palliative ablation of metastatic rib and intercostal lesions. J Vasc Interv Radiol 2022. [DOI: 10.1016/j.jvir.2022.03.560] [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] Open
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Turner K, Boyd C, Stander N, Smart L. Clinical characteristics of two-hundred thirty-two dogs (2006-2018) treated for suspected anaphylaxis in Perth, Western Australia. Aust Vet J 2021; 99:505-512. [PMID: 34541658 DOI: 10.1111/avj.13114] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 05/28/2021] [Accepted: 08/04/2021] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To describe the clinical features of dogs treated for suspected anaphylaxis in Perth, Western Australia. DESIGN Single-centre observational case series with retrospective and prospective phases. METHODS This was a two-phase study of dogs with clinical suspicion of anaphylaxis presenting to the emergency service of a university teaching hospital. Dogs required evidence of, and appropriate treatment of, a type 1 hypersensitivity reaction as well as two or more organs affected (or cardiovascular signs alone) to be included. Phase 1 includes retrospective case series of 186 dogs (March 2006-December 2018). Phase 2 includes prospective descriptive case series of 46 dogs (October 2017-July 2018) focused on clinical signs. RESULTS In phase 1, 88 (47%) dogs had evidence of insect exposure prior to the acute event. One hundred forty (75%) dogs had dermatological signs, 141 (76%) had gastrointestinal signs and 129 (69%) had cardiovascular signs. Ninety-two (49%) dogs had vasoconstrictive shock (5 with bradycardia), 24 (13%) had vasodilatory shock, 8 (4%) had mixed vasodilatory and vasoconstrictive shock and 5 (3%) had unclassifiable shock. On focused abdominal ultrasound, 42 of 71 (59%) dogs had gallbladder wall oedema and 3 of 71 (4%) dogs had peritoneal free fluid. In phase 2, the distributions of insect exposure, organ dysfunction and sonographic abnormalities were similar to phase 1. CONCLUSION Dogs presenting with suspected anaphylaxis showed a broad range of presentations. Dermatological signs were absent in a proportion of dogs, vasoconstrictive shock was more frequent than vasodilatory and unique features of shock were identified. This study highlights the challenges of diagnosis based on presenting features alone.
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Affiliation(s)
- K Turner
- College of Science, Health, Engineering and Education, Murdoch University, Perth, Western Australia, Australia
| | - C Boyd
- College of Science, Health, Engineering and Education, Murdoch University, Perth, Western Australia, Australia
| | - N Stander
- Vet Imaging Specialists, The Animal Hospital at Murdoch University, Perth, Western Australia, Australia
| | - L Smart
- College of Science, Health, Engineering and Education, Murdoch University, Perth, Western Australia, Australia
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McNally M, Rock L, Gillis M, Bryan S, Boyd C, Kraglund F, Cleghorn B. Reopening Oral Health Services during the COVID-19 Pandemic through a Knowledge Exchange Coalition. JDR Clin Trans Res 2021; 6:279-290. [PMID: 33902341 PMCID: PMC8207488 DOI: 10.1177/23800844211011985] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND The COVID-19 novel coronavirus closed oral health care in Nova Scotia (NS) Canada in March 2020. Preparing for a phased reopening, a knowledge exchange coalition (representing government, academia, hospitals, oral health professions, and regulators) developed return-to-work (RTW) guidelines detailing the augmentation of standard practices to ensure safety for patients, oral health care providers (OHPs), and the community. Using online surveys, this study explored the influence of the RTW guidelines and related education on registered NS OHPs during a phased return to work. METHODS Dissemination of R2W guidelines included website or email communiques and interdisciplinary education webinars that coincided with 2 RTW phases approved by the government. Aligned with each phase, all registered dentists, dental hygienists, and dental assistants were invited to complete an online survey to gauge the influence of the coalition-sponsored education and RTW guidelines, confidence, preparedness, and personal protective equipment use before and after the pandemic. RESULTS Three coalition-sponsored multidisciplinary webinars hosted 3541 attendees prior to RTW. The response to survey 1 was 41% (881/2156) and to survey 2 was 26% (571/2177) of registrants. Survey 1 (82%) and survey 2 (89%) respondents "agreed/strongly agreed" that R2W guidelines were a primary source for guiding return to practice, and most were confident with education received and had the skills needed to effectively treat patients during the COVID-19 pandemic. Confidence and preparedness improved in survey 2. Gowns/lab coat use for aerosol-generating procedures increased from 26% to 93%, and the use of full face shields rose from 6% to 93% during the pandemic. CONCLUSIONS A multistakeholder coalition was effective in establishing and communicating comprehensive guidelines and web-based education to ensure unified reintegration of oral health services in NS during a pandemic. This multiorganizational cooperation lay the foundation for responses to subsequent waves of COVID-19 and may serve as an example for collaboratively responding to future public health threats in other settings. KNOWLEDGE TRANSFER STATEMENT The return-to-work strategy that was developed, disseminated, and assessed through this COVID-19 knowledge exchange coalition will benefit oral health practitioners, professional regulators, government policy makers, and researchers in future pandemic planning.
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Affiliation(s)
- M McNally
- Faculty of Dentistry, Dalhousie University, Halifax, NS, Canada
| | - L Rock
- School of Dental Hygiene, Dalhousie University, Halifax, NS, Canada
| | - M Gillis
- Provincial Dental Board of Nova Scotia, Bedford, NS, Canada
| | - S Bryan
- College of Dental Hygienists of Nova Scotia, Halifax, NS, Canada
| | - C Boyd
- Faculty of Dentistry, Dalhousie University, Halifax, NS, Canada
| | - F Kraglund
- Faculty of Dentistry, Dalhousie University, Halifax, NS, Canada
| | - B Cleghorn
- Faculty of Dentistry, Dalhousie University, Halifax, NS, Canada
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Javan H, Cosman J, Bryan T, Boyd C, Nelson K, Fernando D, Katrivesis J, Abi-Jaoudeh N. Abstract No. 602 Burn or freeze: meta-analysis comparing microwave versus cryoablation in the treatment of T1a renal masses. J Vasc Interv Radiol 2020. [DOI: 10.1016/j.jvir.2019.12.663] [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: 11/26/2022] Open
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Boyd C, Chin J, Javan H, Rupasinghe M, Fernando D, Nelson K, Katrivesis J, Abi-Jaoudeh N. 3:45 PM Abstract No. 295 Guiding you in the wrong direction: single-center review of automated feeder detection and embolization software failures. J Vasc Interv Radiol 2020. [DOI: 10.1016/j.jvir.2019.12.346] [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: 12/01/2022] Open
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Ranchordas MK, Pratt H, Parsons M, Parry A, Boyd C, Lynn A. Effect of caffeinated gum on a battery of rugby-specific tests in trained university-standard male rugby union players. J Int Soc Sports Nutr 2019; 16:17. [PMID: 30971276 PMCID: PMC6458642 DOI: 10.1186/s12970-019-0286-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 04/01/2019] [Indexed: 12/02/2022] Open
Abstract
Background Caffeine has been shown to enhance strength, power and endurance, characteristics that underpin performance in rugby. Caffeinated gum has attracted interest as a novel vehicle for delivering caffeine, because absorption of caffeine from gum is quick. Rapid absorption of caffeine may be useful during rugby matches when there is limited time for supplementation such as at half-time or when substitutes enter play. The purpose of this study was to determine whether a low dose of caffeine in gum improves performance in a battery of rugby-specific tests. Methods In a double-blind, randomized, placebo-controlled, crossover design, 17 male university-standard rugby players (mass: 85.6 ± 6.3 kg; height: 179.4 ± 6.2 cm; age: 20.4 ± 1.2 years) chewed caffeinated gum (200 mg caffeine) or a placebo gum on two occasions separated by a week. After a standardized warm-up, gum was chewed for 5 min. Subsequently, participants performed three countermovement jumps, followed by an Illinois agility test, 6 × 30 m repeated sprints, and the Yo-Yo IR-2 test; each test was separated by short rest periods. Results Caffeinated gum enhanced countermovement jump by 3.6% (caffeine: 43.7 ± 7.6 cm vs. placebo: 42.2 ± 6.2 cm; d = 0.22, 95% CI [0.006, 0.432]; p = 0.044). There was a greater resistance to fatigue during the 6 × 30 m repeated sprint test (fatigue index caffeine: 102.2 ± 0.9% vs. placebo: 103.3 ± 1.2%; d = 1.03, 95% CI [0.430, 1.613]; p = 0.001), and performance on the Yo-Yo IR2 was improved by 14.5% (caffeine: 426 ± 105 m, placebo: 372 ± 91 m; d = 0.55, 95% CI [0.130, 0.957]; p = 0.010). Caffeine gum had no significant effect on the Illinois agility test (caffeine 16.22 ± 1.08 s vs. placebo 15.88 ± 1.09 s; d = − 0.31, 95% CI [− 0.855, 0.240]; p = 0.271). Conclusions In university-standard rugby players, a low dose of caffeine (200 mg) supplied in chewing gum enhanced performance on the Yo-Yo IR-2 test and the countermovement jump test and reduced fatigue index during repeated sprints. These improvements in a battery of rugby-specific tests may transfer to enhanced performance in rugby matches.
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Affiliation(s)
- M K Ranchordas
- Academy of Sport and Physical Acitivty, Faculty of Health & Wellebing, Sheffield Hallam University, Sheffield, S10 2BP, UK.
| | - H Pratt
- Academy of Sport and Physical Acitivty, Faculty of Health & Wellebing, Sheffield Hallam University, Sheffield, S10 2BP, UK
| | - M Parsons
- Academy of Sport and Physical Acitivty, Faculty of Health & Wellebing, Sheffield Hallam University, Sheffield, S10 2BP, UK
| | - A Parry
- Academy of Sport and Physical Acitivty, Faculty of Health & Wellebing, Sheffield Hallam University, Sheffield, S10 2BP, UK
| | - C Boyd
- Academy of Sport and Physical Acitivty, Faculty of Health & Wellebing, Sheffield Hallam University, Sheffield, S10 2BP, UK
| | - A Lynn
- Food Group, Sheffield Business School, Sheffield Hallam University, Sheffield, UK
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Ensrud K, Kats A, Boyd C, Diem S, Schousboe J, Taylor B, Bauer D, Langsetmo L. IMPACT OF COMORBIDITY AND PROGNOSIS ON HIP FRACTURE AND MORTALITY INCIDENCE AMONG WOMEN IN LATE LIFE. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.1114] [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: 11/13/2022] Open
Affiliation(s)
| | | | | | | | | | | | - D Bauer
- University of California - San Francisco
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Fabbri M, Finney Rutten L, Manemann S, Boyd C, Wolff J, Chamberlain A, Weston S, Yost K, Griffin J, Killian J, Roger V. P902Patient-centered communication and outcomes in heart failure. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p902] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- M Fabbri
- Mayo Clinic, Rochester, United States of America
| | | | - S Manemann
- Mayo Clinic, Rochester, United States of America
| | - C Boyd
- Johns Hopkins University of Baltimore, Baltimore, United States of America
| | - J Wolff
- Johns Hopkins University of Baltimore, Baltimore, United States of America
| | | | - S Weston
- Mayo Clinic, Rochester, United States of America
| | - K Yost
- Mayo Clinic, Rochester, United States of America
| | - J Griffin
- Mayo Clinic, Rochester, United States of America
| | - J Killian
- Mayo Clinic, Rochester, United States of America
| | - V Roger
- Mayo Clinic, Rochester, United States of America
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12
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Boyd C, Jarvis S, McGreevy P, Heath S, Church D, Brodbelt D, O’Neill D. Mortality resulting from undesirable behaviours in dogs aged under three years attending primary-care veterinary practices in England. Anim Welf 2018. [DOI: 10.7120/09627286.27.3.251] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- C Boyd
- Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush EH25 9RG, UK
| | - S Jarvis
- Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush EH25 9RG, UK
| | - Pd McGreevy
- Sydney School of Veterinary Science, The University of Sydney, NSW 2006, Australia
| | - S Heath
- Behavioural Referrals Veterinary Practice, 10 Rushton Drive, Upton, Chester CH2 1RE, UK
| | - Db Church
- Clinical Sciences and Services, The Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield, Herts AL9 7TA, UK
| | - Dc Brodbelt
- Production and Population Health, The Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield, Herts AL9 7TA, UK
| | - Dg O’Neill
- Production and Population Health, The Royal Veterinary College, Hawkshead Lane, North Mymms, Hatfield, Herts AL9 7TA, UK
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13
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Boyd C, Yablonsky T, Scherer K, Calhoun S. Abstract No. 410 Type 2 endoleak subtype with adventitial-type supply. J Vasc Interv Radiol 2018. [DOI: 10.1016/j.jvir.2018.01.455] [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: 11/29/2022] Open
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14
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Bailie J, Ekanayaker V, Ettenhofer M, Dilay A, Boyd C. Neurological and Neuropsychiatric Disorders-2Aggression and Anger in Active Duty Service Member with Mild Traumatic Brain Injury. Arch Clin Neuropsychol 2017. [DOI: 10.1093/arclin/acx075.6] [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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15
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Pruchno R, Boyd C. MULTIPLE CHRONIC CONDITIONS: A WORLDWIDE CHALLENGE. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.3811] [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: 11/14/2022] Open
Affiliation(s)
- R. Pruchno
- Rowan University School of Osteopathic Medicine, New Jersey
| | - C. Boyd
- Johns Hopkins University School of Medicine, Maryland
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16
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Wolff J, Amjad H, Boyd C, Echavarria D, Gitlin L, Roter D, Smith K, Vick J. INVOLVING FAMILY TO IMPROVE COMMUNICATION IN PRIMARY CARE FOR OLDER ADULTS WITH COGNITIVE IMPAIRMENT. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.5033] [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: 11/14/2022] Open
Affiliation(s)
- J.L. Wolff
- Johns Hopkins University School of Public Health, Baltimore, Maryland,
| | - H. Amjad
- Johns Hopkins University School of Medicine, Baltimore, Maryland,
| | - C. Boyd
- Johns Hopkins University School of Medicine, Baltimore, Maryland,
| | - D. Echavarria
- Johns Hopkins University School of Public Health, Baltimore, Maryland,
| | - L.N. Gitlin
- Johns Hopkins University School of Nursing,
Baltimore, Maryland
| | - D. Roter
- Johns Hopkins University School of Public Health, Baltimore, Maryland,
| | - K. Smith
- Johns Hopkins University School of Public Health, Baltimore, Maryland,
| | - J. Vick
- Johns Hopkins University School of Medicine, Baltimore, Maryland,
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17
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Lane N, Stukel T, Boyd C, Wodchis W. LOW DISABILITY AT ADMISSION PREDICTS FASTER DISABLEMENT IN LONG-TERM CARE RESIDENTS. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.4520] [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: 11/13/2022] Open
Affiliation(s)
- N.E. Lane
- Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada,
| | - T.A. Stukel
- Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada,
| | - C. Boyd
- Johns Hopkins School of Medicine, Baltimore, Maryland
| | - W. Wodchis
- Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada,
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Sheehan O, Amjad H, Huang J, Boyd C, Prvu Bettger J, Roth D. THE IMPACT OF MULTIMORBIDITY, RACE, AND GENDER ON OUTCOMES AFTER ACUTE HOSPITALIZATION IN NHATS. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.207] [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: 11/13/2022] Open
Affiliation(s)
- O. Sheehan
- Johns Hopkins University School of Medicine, Baltimore, Maryland,
| | - H. Amjad
- Johns Hopkins University School of Medicine, Baltimore, Maryland,
| | - J. Huang
- Johns Hopkins University School of Medicine, Baltimore, Maryland,
| | - C. Boyd
- Johns Hopkins University School of Medicine, Baltimore, Maryland,
| | | | - D.L. Roth
- Johns Hopkins University School of Medicine, Baltimore, Maryland,
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Sheehan O, Gabbard J, Carl K, Wolff J, Kharazzi H, Boyd C. PATIENT AND FAMILY PERSPECTIVES ON MEDICATION MANAGEMENT FOR OLDER ADULTS RECEIVING HOME HEALTH CARE. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.5034] [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: 11/13/2022] Open
Affiliation(s)
- O. Sheehan
- Johns Hopkins University School of Medicine, Baltimore, Maryland,
| | - J. Gabbard
- Wake Forrest Baptist Health, Winston-Salem, North Carolina,
| | - K.J. Carl
- Johns Hopkins Home Care Group, Baltimore, Maryland,
| | - J.L. Wolff
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - H.H. Kharazzi
- Johns Hopkins University School of Medicine, Baltimore, Maryland,
| | - C. Boyd
- Johns Hopkins University School of Medicine, Baltimore, Maryland,
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Yeo FKS, Bouchon R, Kuijken R, Loriaux A, Boyd C, Niks RE, Marcel TC. High-resolution mapping of genes involved in plant stage-specific partial resistance of barley to leaf rust. Mol Breed 2017; 37:45. [PMID: 28356783 PMCID: PMC5352788 DOI: 10.1007/s11032-017-0624-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2015] [Accepted: 01/20/2017] [Indexed: 05/30/2023]
Abstract
Partial resistance quantitative trait loci (QTLs) Rphq11 and rphq16 against Puccinia hordei isolate 1.2.1 were previously mapped in seedlings of the mapping populations Steptoe/Morex and Oregon Wolfe Barleys, respectively. In this study, QTL mapping was performed at adult plant stage for the two mapping populations challenged with the same rust isolate. The results suggest that Rphq11 and rphq16 are effective only at seedling stage, and not at adult plant stage. The cloning of several genes responsible for partial resistance of barley to P. hordei will allow elucidation of the molecular basis of this type of plant defence. A map-based cloning approach requires to fine-map the QTL in a narrow genetic window. In this study, Rphq11 and rphq16 were fine-mapped using an approach aiming at speeding up the development of plant material and simplifying its evaluation. The plant materials for fine-mapping were identified from early plant materials developed to produce QTL-NILs. The material was first selected to carry the targeted QTL in heterozygous condition and susceptibility alleles at other resistance QTLs in homozygous condition. This strategy took four to five generations to obtain fixed QTL recombinants (i.e., homozygous resistant at the Rphq11 or rphq16 QTL alleles, homozygous susceptible at the non-targeted QTL alleles). In less than 2 years, Rphq11 was fine-mapped into a 0.2-cM genetic interval and a 1.4-cM genetic interval for rphq16. The strongest candidate gene for Rphq11 is a phospholipid hydroperoxide glutathione peroxidase. Thus far, no candidate gene was identified for rphq16.
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Affiliation(s)
- F. K. S. Yeo
- Plant Breeding, Wageningen University and Research, Droevendaalsesteeg 1, 6708PB, 6700 AJ Wageningen, the Netherlands
- Department of Plant Science and Environmental Ecology, Faculty of Resource Science and Technology, University Malaysia Sarawak, 94300 Kota Samarahan, Sarawak, Malaysia
| | - R. Bouchon
- Plant Breeding, Wageningen University and Research, Droevendaalsesteeg 1, 6708PB, 6700 AJ Wageningen, the Netherlands
| | - R. Kuijken
- Plant Breeding, Wageningen University and Research, Droevendaalsesteeg 1, 6708PB, 6700 AJ Wageningen, the Netherlands
| | - A. Loriaux
- Plant Breeding, Wageningen University and Research, Droevendaalsesteeg 1, 6708PB, 6700 AJ Wageningen, the Netherlands
| | - C. Boyd
- Department of Crop and Soil Sciences, Washington State University, Pullman, WA 99164-4660 USA
| | - R. E. Niks
- Plant Breeding, Wageningen University and Research, Droevendaalsesteeg 1, 6708PB, 6700 AJ Wageningen, the Netherlands
| | - T. C. Marcel
- Plant Breeding, Wageningen University and Research, Droevendaalsesteeg 1, 6708PB, 6700 AJ Wageningen, the Netherlands
- UMR BIOGER, INRA, AgroParisTech, Université Paris-Saclay, 78850 Thiverval-Grignon, France
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21
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Wagner H, Boyd C, Napper R. How to share the process of graduate advising. Facets (Ott) 2017. [DOI: 10.1139/facets-2015-0013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
This paper starts a two-part series on graduate advising that integrates concepts from adult learning, leadership, and psychology into a conceptual framework for graduate advising. A companion paper provides guidance on how to communicate effectively in graduate advising. Here, we present concepts and tools that enable advisors and graduate students to collaborate effectively and share the responsibility for the student’s learning. We specifically discuss (1) how to promote learning about learning to help students make sense of their experience and identify their supervision needs; (2) how to clarify roles and address conflicts of interest between different roles; and (3) how to establish an effective, learning-centered working relationship. By making the advising process explicit, using the concepts and worksheets presented here, advisors will contribute to the training of the next generation of graduate advisors.
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Affiliation(s)
- H.H. Wagner
- Department of Ecology and Evolutionary Biology, University of Toronto, Mississauga, ON L5L 1C6, Canada
| | - C. Boyd
- Robert Gillespie Academic Skills Centre, University of Toronto Mississauga, Mississauga, ON L5L 1C6, Canada
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22
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Boyd C, Claus M, Hosgood G, Smart L. Survival of two dogs with pyothorax secondary to perforating oesophageal foreign body. Aust Vet J 2017; 95:41-45. [DOI: 10.1111/avj.12548] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Revised: 02/22/2016] [Accepted: 04/22/2016] [Indexed: 11/26/2022]
Affiliation(s)
- C Boyd
- College of Veterinary Medicine; Murdoch University; 90 South St Murdoch Western Australia 6150 Australia
| | - M Claus
- College of Veterinary Medicine; Murdoch University; 90 South St Murdoch Western Australia 6150 Australia
| | - G Hosgood
- College of Veterinary Medicine; Murdoch University; 90 South St Murdoch Western Australia 6150 Australia
| | - L Smart
- College of Veterinary Medicine; Murdoch University; 90 South St Murdoch Western Australia 6150 Australia
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23
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Bailie J, Ekanayake V, Ettenhoffer M, Dilay A, Boyd C. Traumatic Brain Injury-1Validation of the State Trait Anger Expression Inventory, Second Edition for Assessment of Aggression in Active Duty Service Member. Arch Clin Neuropsychol 2016. [DOI: 10.1093/arclin/acw042.13] [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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24
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McMillan CT, Boyd C, Gross RG, Weinstein J, Firn K, Toledo JB, Rascovsky K, Shaw L, Wolk DA, Irwin DJ, Lee EB, Trojanowski JQ, Grossman M. Multimodal imaging evidence of pathology-mediated disease distribution in corticobasal syndrome. Neurology 2016; 87:1227-34. [PMID: 27543644 DOI: 10.1212/wnl.0000000000003119] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Accepted: 06/07/2016] [Indexed: 01/26/2023] Open
Abstract
OBJECTIVE To use multimodal neuroimaging to evaluate the influence of heterogeneous underlying pathology in corticobasal syndrome (CBS) on the neuroanatomical distribution of disease. METHODS We performed a retrospective evaluation of 35 patients with CBS with T1-weighted MRI, diffusion tensor imaging, and neuropathologic, genetic, or CSF evidence of underlying pathology. Patients were assigned to 2 groups: those with evidence of Alzheimer pathology (CBS-AD) and those without Alzheimer pathology (CBS-non-AD). Group comparisons of CBS-AD and CBS-non-AD assessed clinical features, gray matter (GM) cortical thickness, and white matter (WM) fractional anisotropy. RESULTS CBS-AD was found in 34% (n = 12) and CBS-non-AD in 66% (n = 23) of CBS patients. Clinical evaluations revealed that CBS-non-AD had a higher frequency of asymmetric rigidity compared to CBS-AD, but groups otherwise did not differ in dementia severity, impairments in cognition, or rates of extrapyramidal symptoms. We found frontoparietal GM and WM disease in each group compared to healthy, demographically comparable controls, as well as multimodal neuroimaging evidence of a double dissociation: CBS-non-AD had WM disease in the corpus callosum, corticospinal tract, and superior longitudinal fasciculus relative to CBS-AD, and CBS-AD had reduced temporoparietal GM relative to CBS-non-AD, including the precuneus and posterior cingulate. CONCLUSIONS Patients with CBS have a pathology-mediated dissociation of GM and WM disease. Multimodality neuroimaging may be useful for improving in vivo pathologic diagnosis of CBS.
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Affiliation(s)
- Corey T McMillan
- From the Department of Neurology (C.T.M., C.B., R.G.G., J.W., K.F., K.R., D.A.W., D.J.I., M.G.) and Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine (J.B.T., L.S., D.J.I., E.B.L., J.Q.T.), Perelman School of Medicine, University of Pennsylvania, Philadelphia.
| | - Clara Boyd
- From the Department of Neurology (C.T.M., C.B., R.G.G., J.W., K.F., K.R., D.A.W., D.J.I., M.G.) and Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine (J.B.T., L.S., D.J.I., E.B.L., J.Q.T.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Rachel G Gross
- From the Department of Neurology (C.T.M., C.B., R.G.G., J.W., K.F., K.R., D.A.W., D.J.I., M.G.) and Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine (J.B.T., L.S., D.J.I., E.B.L., J.Q.T.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Jessica Weinstein
- From the Department of Neurology (C.T.M., C.B., R.G.G., J.W., K.F., K.R., D.A.W., D.J.I., M.G.) and Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine (J.B.T., L.S., D.J.I., E.B.L., J.Q.T.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Kim Firn
- From the Department of Neurology (C.T.M., C.B., R.G.G., J.W., K.F., K.R., D.A.W., D.J.I., M.G.) and Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine (J.B.T., L.S., D.J.I., E.B.L., J.Q.T.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Jon B Toledo
- From the Department of Neurology (C.T.M., C.B., R.G.G., J.W., K.F., K.R., D.A.W., D.J.I., M.G.) and Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine (J.B.T., L.S., D.J.I., E.B.L., J.Q.T.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Katya Rascovsky
- From the Department of Neurology (C.T.M., C.B., R.G.G., J.W., K.F., K.R., D.A.W., D.J.I., M.G.) and Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine (J.B.T., L.S., D.J.I., E.B.L., J.Q.T.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Leslie Shaw
- From the Department of Neurology (C.T.M., C.B., R.G.G., J.W., K.F., K.R., D.A.W., D.J.I., M.G.) and Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine (J.B.T., L.S., D.J.I., E.B.L., J.Q.T.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - David A Wolk
- From the Department of Neurology (C.T.M., C.B., R.G.G., J.W., K.F., K.R., D.A.W., D.J.I., M.G.) and Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine (J.B.T., L.S., D.J.I., E.B.L., J.Q.T.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - David J Irwin
- From the Department of Neurology (C.T.M., C.B., R.G.G., J.W., K.F., K.R., D.A.W., D.J.I., M.G.) and Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine (J.B.T., L.S., D.J.I., E.B.L., J.Q.T.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Edward B Lee
- From the Department of Neurology (C.T.M., C.B., R.G.G., J.W., K.F., K.R., D.A.W., D.J.I., M.G.) and Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine (J.B.T., L.S., D.J.I., E.B.L., J.Q.T.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - John Q Trojanowski
- From the Department of Neurology (C.T.M., C.B., R.G.G., J.W., K.F., K.R., D.A.W., D.J.I., M.G.) and Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine (J.B.T., L.S., D.J.I., E.B.L., J.Q.T.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Murray Grossman
- From the Department of Neurology (C.T.M., C.B., R.G.G., J.W., K.F., K.R., D.A.W., D.J.I., M.G.) and Center for Neurodegenerative Disease Research, Department of Pathology and Laboratory Medicine (J.B.T., L.S., D.J.I., E.B.L., J.Q.T.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
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25
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Hussain M, Bailie J, Ivins B, Cole W, Boyd C, Schwab K. A-64Effect of Multiple Mild Traumatic Brain Injury on the Experience and Expression of Anger in Military Personnel. Arch Clin Neuropsychol 2015. [DOI: 10.1093/arclin/acv047.64] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Lori J, Munro M, Ofosu-darkwah H, Chuey M, Boyd C, Adanu R. Improving health literacy through facilitated group focused antenatal
care. Ann Glob Health 2015. [DOI: 10.1016/j.aogh.2015.02.684] [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: 11/24/2022] Open
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27
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Affiliation(s)
- C. Boyd
- Scripps Institution of Oceanography; University of California; San Diego CA USA
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Szanton SL, Wolff JW, Leff B, Thorpe RJ, Tanner EK, Boyd C, Xue Q, Guralnik J, Bishai D, Gitlin LN. CAPABLE trial: a randomized controlled trial of nurse, occupational therapist and handyman to reduce disability among older adults: rationale and design. Contemp Clin Trials 2014; 38:102-12. [PMID: 24685996 DOI: 10.1016/j.cct.2014.03.005] [Citation(s) in RCA: 98] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2014] [Revised: 03/18/2014] [Accepted: 03/21/2014] [Indexed: 01/16/2023]
Abstract
BACKGROUND As the population ages, it is increasingly important to test new models of care that improve life quality and decrease health costs. This paper presents the rationale and design for a randomized clinical trial of a novel interdisciplinary program to reduce disability among low income older adults based on a previous pilot trial of the same design showing strong effect. METHODS The CAPABLE (Community Aging in Place, Advancing Better Living for Elders) trial is a randomized controlled trial in which low income older adults with self-care disability are assigned to one of two groups: an interdisciplinary team of a nurse, occupational therapist, and handyman to address both personal and environmental risk factors for disability based on participants' functional goals, or an attention control of sedentary activities of choice. Both groups receive up to 10 home visits over 4 months. OUTCOMES The primary outcome is decreased disability in self-care (ADL). Secondary outcomes are sustained decrease in self care disability as well as improvement in instrumental ADLS, strength, balance, walking speed, and health care utilization. Careful cost tracking and analysis using intervention data and claims data will enable direct measurement of the cost impact of the CAPABLE approach. CAPABLE has the potential to leverage current health care spending in Medicaid waivers, Accountable Care Organizations and other capitated systems to save the health care system costs as well as improving low income older adults' ability to age at home with improved life quality.
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Affiliation(s)
- Sarah L Szanton
- Johns Hopkins University School of Nursing, 525 N. Wolfe Street, Baltimore, MD 21205, United States; Johns Hopkins University Bloomberg School of Public Health, 615 N. Wolfe Street, Baltimore, MD 21205, United States.
| | - J W Wolff
- Johns Hopkins University Bloomberg School of Public Health, 615 N. Wolfe Street, Baltimore, MD 21205, United States
| | - B Leff
- Johns Hopkins University School of Nursing, 525 N. Wolfe Street, Baltimore, MD 21205, United States; Johns Hopkins University Bloomberg School of Public Health, 615 N. Wolfe Street, Baltimore, MD 21205, United States; Johns Hopkins University School of Medicine, 733 N. Broadway, Baltimore, MD 21205, United States
| | - R J Thorpe
- Johns Hopkins University Bloomberg School of Public Health, 615 N. Wolfe Street, Baltimore, MD 21205, United States
| | - E K Tanner
- Johns Hopkins University School of Nursing, 525 N. Wolfe Street, Baltimore, MD 21205, United States; Johns Hopkins University School of Medicine, 733 N. Broadway, Baltimore, MD 21205, United States
| | - C Boyd
- Johns Hopkins University Bloomberg School of Public Health, 615 N. Wolfe Street, Baltimore, MD 21205, United States; Johns Hopkins University School of Medicine, 733 N. Broadway, Baltimore, MD 21205, United States
| | - Q Xue
- Johns Hopkins University Bloomberg School of Public Health, 615 N. Wolfe Street, Baltimore, MD 21205, United States; Johns Hopkins University School of Medicine, 733 N. Broadway, Baltimore, MD 21205, United States
| | - J Guralnik
- University of Maryland Medical School, United States
| | - D Bishai
- Johns Hopkins University Bloomberg School of Public Health, 615 N. Wolfe Street, Baltimore, MD 21205, United States
| | - L N Gitlin
- Johns Hopkins University School of Nursing, 525 N. Wolfe Street, Baltimore, MD 21205, United States; Johns Hopkins University School of Medicine, 733 N. Broadway, Baltimore, MD 21205, United States
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29
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Parke E, Hart J, Baldock D, Barchard K, Etcoff L, Allen D, Stolberg P, Nardi N, Cohen J, Jones W, Loe S, Etcoff L, Delgaty L, Tan A, Bunner M, Delgaty L, Tan A, Bunner M, Tan A, Delgaty L, Bunner M, Tan A, Delgaty L, Bunner M, Goodman G, Kim W, Nolty A, Marion S, Davis A, Finch W, Piehl J, Moss L, Nogin R, Dean R, Davis J, Lindstrom W, Poon M, Fonseca F, Bure-Reyes A, Stewart J, Golden C, Fonseca F, Bure-Reyes A, Stewart J, Golden C, Fields K, Hill B, Corley E, Russ K, Boettcher A, Musso M, Rohling M, Rowden A, Downing K, Benners M, Miller D, Maricle D, Dugbartey T, Anum A, Anderson J, Daniel M, Hoskins L, Gillis K, Khen S, Carter K, Ayers C, Neeland I, Cullum M, Weiner M, Rossetti H, Buddin W, Mahal S, Schroeder R, Baade L, Macaluso M, Phelps K, Evans C, Clark J, Vickery C, Chow J, Stokic D, Phelps K, Evans C, Watson S, Odom R, Clark J, Clark J, Odom R, Evans C, Vickery C, Thompson J, Noggle C, Kane C, Kecala N, Lane E, Raymond M, Woods S, Iudicello J, Dawson M, Ghias A, Choe M, 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Douangratdy M, Scott B, Draffkorn C, Andrews P, Schmitt A, Waksmunski C, Brady K, Andrews A, Golden C, Olivier T, Espinoza K, Sterk V, Spengler K, Golden C, Olivier T, Spengler K, Sterk V, Espinoza K, Golden C, Gross J, DeFilippis N, Neiman-Kimel J, Romers C, Isaacs C, Soper H, Sordahl J, Tai C, Moses J, D'Orio V, Glukhovsky L, Beier M, Shuman M, Spat J, Foley F, Guatney L, Bott N, Moses J, Miranda C, Renteria MA, Rosario A, Sheynin J, Fuentes A, Byrd D, Mindt MR, Batchelor E, Meyers J, Patt V, Thomas M, Minassian A, Geyer M, Brown G, Perry W, Smith C, Kiefel J, Rooney A, Gouaux B, Ellis R, Grant I, Moore D, Graefe A, Wyman-Chick K, Daniel M, Beene K, Jaehnert S, Choi A, Moses J, Iudicello J, Henry B, Minassian A, Perry W, Marquine M, Morgan E, Letendre S, Ellis R, Woods S, Grant I, Heaton R, Constantine K, Fine J, Palewjala M, Macher R, Guatney L, Earleywine M, Draffkorn C, Scott B, Andrews P, Schmitt A, Dudley M, Silk-Eglit G, Stenclik J, Miele A, Lynch J, McCaffrey R, Scharaga E, Gomes W, McGinley J, Miles-Mason E, Colvin M, Carrion L, Romers C, Soper H, Zec R, Kohlrus S, Fritz S, Robbs R, Ala T, Zec R, Fritz S, Kohlrus S, Robbs R, Ala T, Edwards M, Hall J, O'Bryant S, Miller J, Dye R, Miller K, Baerresen K, Small G, Moskowitz J, Puente A, Ahmed F, Faraco C, Brown C, Evans S, Chu K, Miller L, Young-Bernier M, Tanguay A, Tremblay F, Davidson P, Duda B, Puente A, Terry D, Kent A, Patel A, Miller L, Junod A, Marion SD, Harrington M, Fonteh A, Gurnani A, John S, Gavett B, Diaz-Santos M, Mauro S, Beaute J, Cronin-Golomb A, Fazeli P, Gouaux B, Rosario D, Heaton R, Moore D, Puente A, Lindbergh C, Chu K, Evans S, Terry D, Duda B, Mackillop J, Miller S, Greco S, Klimik L, Cohen J, Robbins J, Lashley L, Schleicher-Dilks S, Golden C, Kunkes I, Culotta V, Kunkes I, Griffits K, Loughan A, Perna R, Hertza J, Cohen M, Northington S, Tyson K, Musielak K, Fine J, Kaczorowski J, Doty N, Braaten E, Shah S, Nemanim N, Singer E, Hinkin C, Levine A, Gold A, Evankovich K, Lotze T, 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Graca J, Olson S, Melville T, Harley A, La D, Phoong M, Gill S, Jocson VA, Nunan-Saah J, Keller J, Gomez R, Melville T, Kaminetskaya M, Poole J, Vernon A, Van Vleet T, DeGutis J, Chen A, Marini C, Dabit S, Gallegos J, Zomet A, Merzenich M, Thaler N, Linck J, Heyanka D, Pastorek N, Miller B, Romesser J, Sim A, Allen D, Zimmer A, Marcinak J, Hibyan S, Webbe F, Rainwater B, Francis J, Baum L, Sautter S, Donders J, Hui E, Barnes K, Walls G, Erikson S, Bailie J, Schwab K, Ivins B, Boyd C, Neff J, Cole W, Lewis S, Bailie J, Schwab K, Ivins B, Boyd C, Neff J, Cole W, Lewis S, Ramirez C, Oganes M, Gold S, Tanner S, Pina D, Merritt V, Arnett P, Heyanka D, Linck J, Thaler N, Pastorek N, Miller B, Romesser J, Sim A, Parks A, Roskos P, Gfeller J, Clark A, Isham K, Carter J, McLeod J, Romero R, Dahdah M, Barisa M, Schmidt K, Barnes S, Dubiel R, Dunklin C, Harper C, Callender L, Wilson A, Diaz-Arrastia R, Shafi S, Jacquin K, Bolshin L, Jacquin K, Romers C, Gutierrez E, Messerly J, Tsou J, Adler M, Golden C, Harmell A, Mausbach B, Moore R, Depp C, Jeste D, Palmer B, Hoadley R, Hill B, Rohling M, Mahdavi S, Fine J, daCruz K, Dinishak D, Richardson G, Vertinski M, Allen D, Mayfield J, Margolis S, Miele A, Rabinovitz B, Schaffer S, Kline J, Boettcher A, Hill B, Hoadley R, Rohling M, Eichstaedt K, Vale F, Benbadis S, Bozorg A, Rodgers-Neame N, Rinehardt E, Mattingly M, Schoenberg M, Fares R, Fares R, Carrasco R, Grups J, Evans B, Simco E, Mittenberg W, Carrasco R, Grups J, Evans B, Simco E, Mittenberg W, Rach A, Baughman B, Young C, Bene E, Irwin C, Li Y, Poulin R, Jerram M, Susmaras T, Gansler D, Ashendorf L, Miarmi L, Fazio R, Cantor J, Fernandez A, Godoy-Garcete G, Marchetti P, Harrison A, Armstrong I, Harrison L, Iverson G, Brinckman D, Ayaz H, Schultheis M, Heinly M, Vitelli K, Russler K, Sanchez I, Jones W, Loe S, Raines T, Hart J, Bene E, Li Y, Irwin C, Baughman B, Rach A, Bravo J, Schilling B, Weiss L, Lange R, Shewchuk J, Heran M, Rauscher A, Jarrett M, Brubacher J, Iverson G, Zink D, Barney S, Gilbert G, Allen D, Martin P, Schroeder R, Klas P, Jeffay E, Zakzanis K, Iverson G, Lanting S, Saffer B, Koehle M, Palmer B, Barrio C, Vergara R, Muniz M, Pinto L, Jeste D, Stenclik J, Lynch J, McCaffrey R, Shultz LS, Pedersen H, Roper B, Crouse E, Crucian G, Dezhkam N, Mulligan K, Singer R, Psihogios A, Davis A, Stephens B, Love C, Mulligan K, Webbe F, West S, McCue R, Goldin Y, Cicerone K, Ruchinskas R, Seidl JT, Massman P, Tam J, Schmitter-Edgecombe M, Baerresen K, Hanson E, Miller K, Miller J, Yeh D, Kim J, Ercoli L, Siddarth P, Small G, Noback M, Noback M, Baldock D, Mahmoud S, Munic-Miller D, Bonner-Jackson A, Banks S, Rabin L, Emerson J, Smith C, Roberts R, Hass S, Duhig A, Pankratz V, Petersen R, Leibson C, Harley A, Melville T, Phoong M, Gill S, Nunan-Saah J, La D, Gomez R, Lindbergh C, Puente A, Gray J, Chu K, Evans S, Sweet L, MacKillop J, Miller L, McAlister C, Schmitter-Edgecombe M, Baldassarre M, Kamm J, Wolff D, Dombrowski C, Bullard S, Edwards M, Hall J, Parsons T, O'Bryant S, Lawson R, Papadakis A, Higginson C, Barnett J, Wills M, Strang J, Dominska A, Wallace G, Kenworthy L, Bott N, Kletter H, Carrion V, Ward C, Getz G, Peer J, Baum C, Edner B, Mannarino A, Casnar C, Janke K, van der Fluit F, Natalie B, Haberman D, Solomon M, Hunter S, Klein-Tasman B, Starza-Smith A, Talbot E, Hart A, Hall M, Baker J, Kral M, Lally M, Zisk A, Lo T, Ross P, Cuevas M, Patel S, Lebby P, Mouanoutoua A, Harrison J, Pollock M, Mathiowetz C, Romero R, Boys C, Vekaria P, Vasserman M, MacAllister W, Stevens S, Van Hecke A, Carson A, Karst J, Schohl K, Dolan B, McKindles R, Remel R, Reveles A, Fritz N, McDonald G, Wasisco J, Kahne J, Hertza J, Tyson K, Northington S, Loughan A, Perna R, Newman A, Garmoe W, Clark J, Loughan A, Perna R, Hertza J, Cohen M, Northington S, Tyson K, Whithers K, Puente A, Dedmon A, Capps J, Lindsey H, Francis M, Weigand L, Steed A, Puente A, Edmed S, Sullivan K, Puente A, Lindsey H, Dedmon A, Capps J, Whithers K, Weigand L, Steed A, Kark S, Lafleche G, Brown T, Bogdanova Y, Strongin E, Spickler C, Drasnin D, Strongin C, Poreh A, Houshyarnejad A, Ellis M, Babikian T, Kernan C, Asarnow R, Didehbani N, Cullum M, Loneman L, Mansinghani S, Hart J, Fischer J. POSTER SESSIONS SCHEDULE. Arch Clin Neuropsychol 2013. [DOI: 10.1093/arclin/act054] [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: 11/14/2022] Open
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Pan X, Bradley W, Boyd C, Kennedy K, Robertson L, Jones D, Wauqua M, Smith L, Ochran T. SU-E-T-224: A Study of Real-Time Treatment Quality Assurance. Med Phys 2013. [DOI: 10.1118/1.4814659] [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: 11/07/2022] Open
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Alton EWFW, Ashby D, Boyd C, Cheng S, Cunningham S, Davies JC, Gill D, Griesenbach U, Higgins T, Hyde S, Innes JA, Murray G, Porteous D. S120 Update on the UK CF Gene Therapy Consortium Multidose, Non-Viral, Gene Therapy Trial. Thorax 2012. [DOI: 10.1136/thoraxjnl-2012-202678.125] [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: 11/03/2022]
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von Lojewski A, Boyd C, Abraham S, Russell J. Lifetime and recent DSM and ICD psychiatric comorbidity of inpatients engaging in different eating disorder behaviours. Eat Weight Disord 2012; 17:e185-93. [PMID: 23086254 DOI: 10.1007/bf03325346] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVE Previous studies investigating psychiatric comorbidity in eating disorder (ED) patients compared groups according to ED diagnoses. The current paper compared groups according to ED behaviours: self-induced vomiting, objective binge eating, excessive exercising, and to body mass index (BMI, kg/m(2)) for selected psychiatric comorbidity using two systems: Diagnostic and Statistical Manual of Mental Disorders - Fourth Edition (DSM-IV) and International Classification of Diseases - Tenth Revision (ICD-10) diagnoses. METHOD Two hundred and twenty-six patients admitted for treatment in a specialised Eating Disorders Unit completed the Composite International Diagnostic Interview (CIDI). Lifetime and recent (12 months) psychiatric diagnoses were produced according to DSM-IV and ICD-10. Associations between presence of ED behaviours or BMI and psychiatric comorbidity were investigated. RESULTS Eighty-eight percent of patients had a lifetime history (72% recent history) of at least one comorbid diagnosis (regardless of diagnostic system). Agreement between the systems was high for mood (affective) disorders and moderate for anxiety/somatoform disorders. Significantly more patients who vomit had lifetime and recent mood (affective) disorders (DSM-IV and ICD-10). Significantly more 'vomiters' had recent anxiety disorders (DSM-IV) and neurotic, stress-related and somatoform disorders (ICD-10) including post-traumatic stress disorder (PTSD; DSM-IV and ICD-10). More patients with BMI >17.5 kg/m(2) had lifetime and recent mood (affective) disorders and lifetime PTSD (DSM-IV and ICD-10). The results for 'excessive exercisers' varied and appeared inconsistent. There were no differences in any disorders for objective binge eaters. DISCUSSION Patients who induce vomiting have more psychiatric comorbidity than 'non-vomiters', both lifetime and recent, and may benefit from diagnostic recognition as a separate group, for example 'vomiting' or 'purging' ED, who can then receive specialist treatment for their comorbidity and associated problems.
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Affiliation(s)
- A von Lojewski
- Department of Obstetrics and Gynaecology, University of Sydney, Royal North Shore Hospital, St. Leonards, NSW, Australia.
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Andrews P, McGregor S, Golden C, Etherton J, Allen C, Cormier R, Cumley N, Elek M, Green M, Ogbeide S, Kruger A, Pacheco L, Robinson G, Welch H, Etherton J, Allen C, Cormier R, Cumley N, Kruger A, Pacheco L, Glover M, Parriott D, Jones W, Loe S, Hughes L, Natta L, Moses J, Vincent A, Roebuck-Spencer T, Bryan C, Padua M, Denney R, Moses J, Quenicka W, McGoldirck K, Bennett T, Soper H, Collier S, Connolly M, Hanratty A, Di Pinto M, Magnuson S, Dunham K, Handel E, Davidson K, Livers E, Frantz S, Allen J, Jerard T, Moses J, Pierce S, Sakhai S, Newton S, Warchol A, Holland A, Bunting J, Coe M, Carmona J, Harrison D, Barney S, Thaler N, Sutton G, Strauss G, Allen D, Hunter B, Bennett T, Quenicka W, McGoldrick K, Soper H, Sordahl J, Torrence N, John S, Gavett B, O'Bryant S, Shadi S, Denney R, Nichols C, Riccio C, Cohen M, Dennison A, Wasserman T, Schleicher-Dilks S, Adler M, Golden C, Olivier T, Schleicher-Dilks S, Golden C, LeMonda B, McGinley J, Pritchett A, Chang L, Cloak C, Cunningham E, Lohaugen G, Skranes J, Ernst T, Parke E, Thaler N, Etcoff L, Allen D, Andrews P, McGregor S, Golden C, Northington S, Daniels R, Loughan A, Perna R, Hertza J, Hochsztein N, Miles-Mason E, Granader Y, Vasserman M, MacAllister W, Casto B, Peery S, Patrick K, Hurewitz F, Chute D, Booth A, Koch C, Roid G, Balkema N, Kiefel J, Bell L, Maerlender A, Belkin T, Katzenstein J, Semerjian C, Culotta V, Band E, Yosick R, Burns T, Arenivas A, Bearden D, Olson K, Jacobson K, Ubogy S, Sterling C, Taub E, Griffin A, Rickards T, Uswatte G, Davis D, Sweeney K, Llorente A, Boettcher A, Hill B, Ploetz D, Kline J, Rohling M, O'Jile J, Holler K, Petrauskas V, Long J, Casey J, Long J, Petrauskas V, Duda T, Hodsman S, Casey J, Stricker S, Martner S, Hansen R, Ferraro F, Tangen R, Hanratty A, Tanabe M, O'Callaghan E, Houskamp B, McDonald L, Pick L, Guardino D, Pick L, Pietz T, Kayser K, Gray R, Letteri A, Crisologo A, Witkin G, Sanders J, Mrazik M, Harley A, Phoong M, Melville T, La D, Gomez R, Berthelson L, Robbins J, Lane E, Golden C, Rahman P, Konopka L, Fasfous A, Zink D, Peralta-Ramirez N, Perez-Garcia M, Puente A, Su S, Lin G, Kiely T, Gomez R, Schatzberg A, Keller J, Dykstra J, Suhr J, Feigon M, Renteria L, Fong M, Piper L, Lee E, Vordenberg J, Contardo C, Magnuson S, Doninger N, Luton L, Balkema N, Drane D, Phelan A, Stricker W, Poreh A, Wolkenberg F, Spira J, Lin G, Su S, Kiely T, Gomez R, Schatzberg A, Keller J, DeRight J, Jorgensen R, Fitzpatrick L, Crowe S, Woods S, Doyle K, Weber E, Cameron M, Cattie J, Cushman C, Grant I, Blackstone K, Woods S, Weber E, Grant I, Moore D, Roberg B, Somogie M, Thelen J, Lovelace C, Bruce J, Gerstenecker A, Mast B, Litvan I, Hargrave D, Schroeder R, Buddin W, Baade L, Heinrichs R, Thelen J, Roberg B, Somogie M, Lovelace C, Bruce J, Boseck J, Berry K, Koehn E, Davis A, Meyer B, Gelder B, Sussman Z, Espe-Pfeifer P, Musso M, Barker A, Jones G, Gouvier W, Weber E, Woods S, Grant I, Johnson V, Zaytsev L, Freier-Randall M, Sutton G, Thaler N, Ringdahl E, Allen D, Olsen J, Byrd D, Rivera-Mindt M, Fellows R, Morgello S, Wheaton V, Jaehnert S, Ellis C, Olavarria H, Loftis J, Huckans M, Pimental P, Frawley J, Welch M, Jennette K, Rinehardt E, Schoenberg M, Strober L, Genova H, Wylie G, DeLuca J, Chiaravalloti N, Hertza J, Loughan A, Perna R, Northington S, Boyd S, Hertza J, Loughan A, Perna R, Northington S, Boyd S, Ibrahim E, Seiam A, Ibrahim E, Bohlega S, Rinehardt E, Lloyd H, Goldberg M, Marceaux J, Fallows R, McCoy K, Yehyawi N, Luther E, Hilsabeck R, Fulton R, Stevens P, Erickson S, Dodzik P, Williams R, Dsurney J, Najafizadeh L, McGovern J, Chowdhry F, Acevedo A, Bakhtiar A, Karamzadeh N, Amyot F, Gandjbakhche A, Haddad M, Taub E, Johnson M, Wade J, Harper L, Rickards T, Sterling C, Barghi A, Uswatte G, Mark V, Balkema N, Christopher G, Marcus D, Spady M, Bloom J, Wiechmann A, Hall J, Loughan A, Perna R, Hertza J, Northington S, Zimmer A, Webbe F, Miller M, Schuster D, Ebner H, Mortimer B, Webbe F, Palmer G, Happe M, Paxson J, Jurek B, Graca J, Meyers J, Lange R, Brickell T, French L, Lange R, Iverson G, Shewchuk J, Madler B, Heran M, Brubacher J, Brickell T, Lange R, Ivins B, French L, Baldassarre M, Paper T, Herrold A, Chin A, Zgaljardic D, Oden K, Lambert M, Dickson S, Miller R, Plenger P, Jacobson K, Olson K, Sutherland E, Glatts C, Schatz P, Walker K, Philip N, McClaughlin S, Mooney S, Seats E, Carnell V, Raintree J, Brown D, Hodges C, Amerson E, Kennedy C, Moore J, Schatz P, Ferris C, Roebuck-Spencer T, Vincent A, Bryan C, Catalano D, Warren A, Monden K, Driver S, Chau P, Seegmiller R, Baker M, Malach S, Mintz J, Villarreal R, Peterson A, Leininger S, Strong C, Donders J, Merritt V, Vargas G, Rabinowitz A, Arnett P, Whipple E, Schultheis M, Robinson K, Iacovone D, Biester R, Alfano D, Nicholls M, Vargas G, Rabinowitz A, Arnett P, Rabinowitz A, Vargas G, Arnett P, Klas P, Jeffay E, Zakzanis K, Vandermeer M, Jeffay E, Zakzanis K, Womble M, Rohling M, Hill B, Corley E, Considine C, Fichtenberg N, Harrison J, Pollock M, Mouanoutoua A, Brimager A, Lebby P, Sullivan K, Edmed S, Silva M, Nakase-Richardson R, Critchfield E, Kieffer K, McCarthy M, Wiegand L, Lindsey H, Hernandez M, Puente A, Noniyeva Y, Lapis Y, Padua M, Poole J, Brooks B, McKay C, Mrazik M, Meeuwisse W, Emery C, Brooks B, Mazur-Mosiewicz A, Sherman E, Brooks B, Mazur-Mosiewicz A, Kirkwood M, Sherman E, Gunner J, Miele A, Silk-Eglit G, Lynch J, McCaffrey R, Stewart J, Tsou J, Scarisbrick D, Chan R, Bure-Reyes A, Cortes L, Gindy S, Golden C, Hunter B, Biddle C, Shah D, Jaberg P, Moss R, Horner M, VanKirk K, Dismuke C, Turner T, Muzzy W, Dunnam M, Miele A, Warner G, Donnelly K, Donnelly J, Kittleson J, Bradshaw C, Alt M, Margolis S, Ostroy E, Rolin S, Higgins K, Denney R, Rolin S, Eng K, Biddle C, Akeson S, Wall J, Davis J, Hansel J, Hill B, Rohling M, Wang B, Womble M, Gervais R, Greiffenstein M, Denning J, Denning J, Schroeder R, Buddin W, Hargrave D, VonDran E, Campbell E, Brockman C, Heinrichs R, Baade L, Buddin W, Hargrave D, Schroeder R, Teichner G, Waid R, Buddin W, Schroeder R, Teichner G, Waid R, Buican B, Armistead-Jehle P, Bailie J, Dilay A, Cottingham M, Boyd C, Asmussen S, Neff J, Schalk S, Jensen L, DenBoer J, Hall S, DenBoer J, Schalk S, Jensen L, Hall S, Miele A, Lynch J, McCaffrey R, Holcomb E, Axelrod B, Demakis G, Rimland C, Ward J, Ross M, Bailey M, Stubblefield A, Smigielski J, Geske J, Karpyak V, Reese C, Larrabee G, Suhr J, Silk-Eglit G, Gunner J, Miele A, Lynch J, McCaffrey R, Allen L, Celinski M, Gilman J, Davis J, Wall J, LaDuke C, DeMatteo D, Heilbrun K, Swirsky-Sacchetti T, Lindsey H, Puente A, Dedman A, Withers K, Chafetz M, Deneen T, Denney R, Fisher J, Spray B, Savage R, Wiener H, Tyer J, Ningaonkar V, Devlin B, Go R, Sharma V, Tsou J, Golden C, Fontanetta R, Calderon C, Coad S, Golden C, Calderon C, Fontaneta R, Coad S, Golden C, Ringdahl E, Thaler N, Sutton G, Vertinski M, Allen D, Verbiest R, Thaler N, Snyder J, Kinney J, Allen D, Rach A, Young J, Crouse E, Schretlen D, Weaver J, Buchholz A, Gordon B, Macciocchi S, Seel R, Godsall R, Brotsky J, DiRocco A, Houghton-Faryna E, Bolinger E, Hollenbeck C, Hart J, Thaler N, Vertinski M, Ringdahl E, Allen D, Lee B, Strauss G, Adams J, Martins D, Catalano L, Waltz J, Gold J, Haas G, Brown L, Luther J, Goldstein G, Kiely T, Kelley E, Lin G, Su S, Raba C, Gomez R, Trettin L, Solvason H, Schatzberg A, Keller J, Vertinski M, Thaler N, Allen D, Gold J, Buchanan R, Strauss G, Baldock D, Ringdahl E, Sutton G, Thaler N, Allen D, Fallows R, Marceaux J, McCoy K, Yehyawi N, Luther E, Hilsabeck R, Etherton J, Phelps T, Richmond S, Tapscott B, Thomlinson S, Cordeiro L, Wilkening G, Parikh M, Graham L, Grosch M, Hynan L, Weiner M, Cullum C, Hobson Balldin V, Menon C, Younes S, Hall J, Strutt A, Pavlik V, Marquez de la Plata C, Cullum M, Lacritz L, Reisch J, Massman P, Royall D, Barber R, O'Bryant S, Castro-Couch M, Irani F, Houshyarnejad A, Norman M, Peery S, Fonseca F, Bure-Reyes A, Browne B, Alvarez J, Jiminez Y, Baez V, Cortes L, Golden C, Fonseca F, Bure-Reyes A, Coad S, Alvarez J, Browne B, Baez V, Golden C, Resendiz C, Scott B, Farias G, York M, Lozano V, Mahoney M, Strutt A, Hernandez Mejia M, Puente A, Bure-Reyes A, Fonseca F, Baez V, Alvarez J, Browne B, Coad S, Jiminez Y, Cortes L, Golden C, Bure-Reyes A, Pacheco E, Homs A, Acevedo A, Ownby R, Nici J, Hom J, Lutz J, Dean R, Finch H, Pierce S, Moses J, Mann S, Feinberg J, Choi A, Kaminetskaya M, Pierce C, Zacharewicz M, Axelrod B, Gavett B, Horwitz J, Edwards M, O'Bryant S, Ory J, Gouvier W, Carbuccia K, Ory J, Carbuccia K, Gouvier W, Morra L, Garcon S, Lucas M, Donovick P, Whearty K, Campbell K, Camlic S, Donovick P, Edwards M, Balldin V, Hall J, Strutt A, Pavlik V, Marquez de la Plata C, Cullum C, Lacritz L, Reisch J, Massman P, Barber R, Royall D, Younes S, O'Bryant S, Brinckman D, Schultheis M, Ehrhart L, Weisser V, Medaglia J, Merzagora A, Reckess G, Ho T, Testa S, Gordon B, Schretlen D, Woolery H, Farcello C, Klimas N, Thaler N, Allen D, Meyer J, Vargas G, Rabinowitz A, Barwick F, Arnett P, Womble M, Rohling M, Hill B, Corley E, Drayer K, Rohling M, Ploetz D, Womble M, Hill B, Baldock D, Ringdahl E, Sutton G, Thaler N, Allen D, Galusha J, Schmitt A, Livingston R, Stewart R, Quarles L, Pagitt M, Barke C, Baker A, Baker N, Cook N, Ahern D, Correia S, Resnik L, Barnabe K, Gnepp D, Benjamin M, Zlatar Z, Garcia A, Harnish S, Crosson B, Rickards T, Mark V, Taub E, Sterling C, Vaughan L, Uswatte G, Fedio A, Sexton J, Cummings S, Logemann A, Lassiter N, Fedio P, Gremillion A, Nemeth D, Whittington T, Hansen R, Reckow J, Ferraro F, Lewandowski C, Cole J, Lewandowski A, Spector J, Ford-Johnson L, Lengenfelder J, Genova H, Sumowski J, DeLuca J, Chiaravalloti N, Loughan A, Perna R, Hertza J, Morse C, McKeever J, Zhao L, Leist T, Schultheis M, Marcinak J, Piecora K, Al-Khalil K, Webbe F, Mulligan K, Robbins J, Berthelson L, Martin P, Golden C, Piecora K, Marcinak J, Al-Khalil K, Webbe F, Mulligan K, Stewart J, Acevedo A, Ownby R, Thompson L, Kowalczyk W, Golub S, Davis A, Lemann E, Piehl J, Rita N, Moss L, Davis A, Boseck J, Berry K, Koehn E, Meyer B, Gelder B, Davis A, Nogin R, Moss L, Drapeau C, Malm S, Davis A, Lemann E, Koehn E, Drapeau C, Malm S, Boseck J, Armstrong L, Glidewell R, Orr W, Mears G. Grand Rounds. Arch Clin Neuropsychol 2012. [DOI: 10.1093/arclin/acs070] [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: 11/15/2022] Open
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Nelson P, Varrin-Doyer M, Spencer C, Sagan S, Boyd C, Sobel R, Bennett J, Zamvil S. Aquaporin-4 Peptide-Specific T Cells Induce CNS Inflammation (P02.134). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p02.134] [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: 11/15/2022] Open
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Davies G, Davies JC, Gill DR, Hyde SC, Boyd C, Innes JA, Porteous DJ, Cheng SH, Scheule RK, Higgins T, Griesenbach U, Alton EWFW. T4 Safety and expression of a single dose of lipid-mediated CFTR gene therapy to the upper and lower airways of patients with Cystic Fibrosis. Thorax 2011. [DOI: 10.1136/thoraxjnl-2011-201054a.4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Abstract
ABSTRACTThe adhesion between metals and polymers is normally weak because they have drastically different electronic properties and interfacial bonding between metals and organic polymers is not readily affected by conventional coating techniques. The ion beam enhanced deposition (IBED) approach to improve adhesion focuses on the promotion of non-equilibrium “interdiffusion” and the creation of nucleation sites at the interfaces by low energy ion bombardment before and during metal deposition onto the polymer substrate.The results of our work show a significant improvement of adhesion at the metal (Au)/polymer (Teflon) interface.
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Innes JA, Donovan J, Soussi S, Newman N, Leiton J, Campbell K, Gibson J, Doherty A, Alton EWFW, Boyd C, Griesenbach U, Davies JC. P106 Inflammatory markers: data from the UK CF Gene Therapy Consortium Run-In Study. Thorax 2010. [DOI: 10.1136/thx.2010.150987.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Alton EWFW, Boyd C, Cunningham S, Davies JC, Hyde SC, Innes JA, Gill DR, Greening A, Griesenbach U, Higgins T, Porteous DJ. S18 Longitudinal assessment of biomarkers for clinical trials of novel therapeutic agents: the run-in study. Thorax 2010. [DOI: 10.1136/thx.2010.150912.18] [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: 11/04/2022]
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Boyd C, Campbell J. James Somerville Campbell. West J Med 2010. [DOI: 10.1136/bmj.c5850] [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: 11/04/2022]
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Audie J, Boyd C. The synergistic use of computation, chemistry and biology to discover novel peptide-based drugs: the time is right. Curr Pharm Des 2010; 16:567-82. [PMID: 19929848 DOI: 10.2174/138161210790361425] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2009] [Accepted: 11/07/2009] [Indexed: 11/22/2022]
Abstract
The case for peptide-based drugs is compelling. Due to their chemical, physical and conformational diversity, and relatively unproblematic toxicity and immunogenicity, peptides represent excellent starting material for drug discovery. Nature has solved many physiological and pharmacological problems through the use of peptides, polypeptides and proteins. If nature could solve such a diversity of challenging biological problems through the use of peptides, it seems reasonable to infer that human ingenuity will prove even more successful. And this, indeed, appears to be the case, as a number of scientific and methodological advances are making peptides and peptide-based compounds ever more promising pharmacological agents. Chief among these advances are powerful chemical and biological screening technologies for lead identification and optimization, methods for enhancing peptide in vivo stability, bioavailability and cell-permeability, and new delivery technologies. Other advances include the development and experimental validation of robust computational methods for peptide lead identification and optimization. Finally, scientific analysis, biology and chemistry indicate the prospect of designing relatively small peptides to therapeutically modulate so-called 'undruggable' protein-protein interactions. Taken together a clear picture is emerging: through the synergistic use of the scientific imagination and the computational, chemical and biological methods that are currently available, effective peptide therapeutics for novel targets can be designed that surpass even the proven peptidic designs of nature.
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Affiliation(s)
- J Audie
- Sacred Heart University, 5151 Park Avenue, Fairfield, CT 06825, USA.
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Boyd C, Larkin MJ, Reid KA, Sharma ND, Wilson K. Metabolism of Naphthalene, 1-Naphthol, Indene, and Indole by Rhodococcus sp. Strain NCIMB 12038. Appl Environ Microbiol 2010; 63:151-5. [PMID: 16535479 PMCID: PMC1389094 DOI: 10.1128/aem.63.1.151-155.1997] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The regulation of naphthalene and 1-naphthol metabolism in a Rhodococcus sp. (NCIMB 12038) has been investigated. The microorganism utilizes separate pathways for the degradation of these compounds, and they are regulated independently. Naphthalene metabolism was inducible, but not by salicylate, and 1-naphthol metabolism, although constitutive, was also repressed during growth on salicylate. The biochemistry of naphthalene degradation in this strain was otherwise identical to that found in Pseudomonas putida, with salicylate as a central metabolite and naphthalene initially being oxidized via a naphthalene dioxygenase enzyme to cis-(1R,2S)-1,2-dihydroxy-1,2-dihydronaphthalene (naphthalene cis-diol). A dioxygenase enzyme was not expressed under growth conditions which facilitate 1-naphthol degradation. However, biotransformations with indene as a substrate suggested that a monooxygenase enzyme may be involved in the degradation of this compound. Indole was transformed to indigo by both naphthalene-grown NCIMB 12038 and by cells grown in the absence of an inducer. Therefore, the presence of a naphthalene dioxygenase enzyme activity was not necessary for this reaction. Thus, the biotransformation of indole to indigo may be facilitated by another type of enzyme (possibly a monooxygenase) in this organism.
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Manikyam Y, Hughes SJ, Harrison C, McManus D, Boyd C, Ng CL, Carey PD, Kennedy JA, McManus K, Eatock MM. Response and survival in oesophageal cancer patients following neoadjuvant chemotherapy assessed by FDG-PETCT imaging and corelation to pathologic response. J Clin Oncol 2010. [DOI: 10.1200/jco.2010.28.15_suppl.e14571] [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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Abstract
Schwannomatosis is a third major form of neurofibromatosis that has recently been linked to mutations in the SMARCB1 (hSnf5/INI1) tumor suppressor gene. We analyzed the coding region of SMARCB1 by direct sequencing and multiplex ligation-dependent probe amplification (MLPA) in genomic DNA from 19 schwannomatosis kindreds. Microsatellite markers in the SMARCB1 region were developed to determine loss of heterozygosity (LOH) in associated tumors. We detected four alterations in conserved splice acceptor or donor sequences of exons 3, 4 and 6. Two alterations that likely affect splicing were seen in introns 4 and 5. An additional four alterations of unclear pathogenicity were found to segregate on the affected allele in eight families including two non-conservative missense alterations in three families. No constitutional deletions or duplications were detected by MLPA. Nine of 13 tumors examined showed partial LOH of the SMARCB1 region consistent with 'second hits.' Alterations were detected in tumors both with and without somatic NF2 gene changes. These findings support the hypothesis that SMARCB1 is a tumor suppressor for schwannomas in the context of familial disease. Further work is needed to determine its role in other multiple and single tumor syndromes.
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Affiliation(s)
- C Boyd
- Department of Neurology, Massachusetts General Hospital, Boston, MA, USA
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Davies J, Griesenbach U, Boyd C, Hyde S, Gill D, Porteous D, Alton E. 42* Validating assays on invasive airway samples as end-points for gene therapy trials. J Cyst Fibros 2007. [DOI: 10.1016/s1569-1993(07)60035-6] [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: 11/26/2022]
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Prakash SK, Gibson CW, Wright JT, Boyd C, Cormier T, Sierra R, Li Y, Abrams WR, Aragon MA, Yuan ZA, van den Veyver IB. Tooth enamel defects in mice with a deletion at the Arhgap 6/Amel X locus. Calcif Tissue Int 2005; 77:23-9. [PMID: 16007484 DOI: 10.1007/s00223-004-1213-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [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: 10/05/2004] [Accepted: 02/01/2005] [Indexed: 11/27/2022]
Abstract
The amelogenin proteins regulate enamel mineral formation in the developing tooth. The human AMELX gene, which encodes the amelogenin proteins, is located within an intron of the Arhgap 6 gene. ARHGAP 6 encodes a Rho GAP, which regulates activity of Rho A, a small G protein involved in intracellular signal transduction. Mice were generated in which the entire ARHGAP 6 gene was deleted by Cre-mediated recombination, which also removed the nested Amel X gene. Enamel from these mice appeared chalky white, and the molars showed excessive wear. The enamel layer was hypoplastic and non-prismatic, whereas other dental tissues had normal morphology. This phenotype is similar to that reported for Amel X null mice, which have a short deletion that removed the region surrounding the translation initiation site, and resembles some forms of X-linked amelogenesis imperfecta in humans. Analysis of the enamel from the Arhgap 6/Amel X-deleted mice verifies that the Amel X gene is nested within the murine Arhgap 6 gene and shows that removal of the entire Amel X gene leads to a phenotype similar to the earlier Amel X null mouse results, in which no amelogenin protein was detected. However, an unusual layer of aprismatic enamel covers the enamel surface, which may be related to the 1.1-Mb deletion, which included Arhgap 6 in these mice.
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Affiliation(s)
- S K Prakash
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
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Schwartz DL, Yueh B, Montgomery RB, Donahue M, Canby R, Anzai Y, Buelna R, Anderson L, Keegan K, Boyd C. A phase I/II trial investigating weekly docetaxel and carboplatin (DC) given neoadjuvantly and then concurrently with concomitant boost radiotherapy (CB-XRT) for locally advanced squamous cell carcinoma of the head and neck. J Clin Oncol 2004. [DOI: 10.1200/jco.2004.22.90140.5543] [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: 11/20/2022] Open
Affiliation(s)
| | - B. Yueh
- Seattle VAPSHCS/University of Washington, Seattle, WA
| | | | - M. Donahue
- Seattle VAPSHCS/University of Washington, Seattle, WA
| | - R. Canby
- Seattle VAPSHCS/University of Washington, Seattle, WA
| | - Y. Anzai
- Seattle VAPSHCS/University of Washington, Seattle, WA
| | - R. Buelna
- Seattle VAPSHCS/University of Washington, Seattle, WA
| | - L. Anderson
- Seattle VAPSHCS/University of Washington, Seattle, WA
| | - K. Keegan
- Seattle VAPSHCS/University of Washington, Seattle, WA
| | - C. Boyd
- Seattle VAPSHCS/University of Washington, Seattle, WA
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Kim JW, Simmer JP, Hu YY, Lin BPL, Boyd C, Wright JT, Yamada CJM, Rayes SK, Feigal RJ, Hu JCC. Amelogenin p.M1T and p.W4S mutations underlying hypoplastic X-linked amelogenesis imperfecta. J Dent Res 2004; 83:378-83. [PMID: 15111628 DOI: 10.1177/154405910408300505] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.8] [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: 11/17/2022] Open
Abstract
Mutations in the human amelogenin gene (AMELX, Xp22.3) cause a phenotypically diverse set of inherited enamel malformations. We hypothesize that the effects of specific mutations on amelogenin protein structure and expression will correlate with the enamel phenotype, clarify amelogenin structure/function relationships, and improve the clinical diagnosis of X-linked amelogenesis imperfecta (AI). We have identified two kindreds with X-linked AI and characterized the AMELX mutations underlying their AI phenotypes. The two missense mutations are both in exon 2 and affect the translation initiation codon and/or the secretion of amelogenin (p.M1T and p.W4S), resulting in hypoplastic enamel. Primary anterior teeth from affected females with the p.M1T mutation were characterized by light and scanning electron microscopy. The thin enamel had defective prism organization, and the surface was rough and pitted. Dentin was normal. The severity of the enamel phenotype correlated with the predicted effects of the mutations on amelogenin expression and secretion.
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Affiliation(s)
- J-W Kim
- Department of Orthodontics and Pediatric Dentistry, University of Michigan Dental Research Lab, 1210 Eisenhower Place, Ann Arbor, MI 48108, USA
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Dodds AP, Cox SA, Suggs CA, Boyd C, Ruiz R, Hart TC, Wright JT. Characterization and mRNA expression in an unusual odontogenic lesion in a patient with tricho-dento-osseous syndrome. Histol Histopathol 2003; 18:849-54. [PMID: 12792897 DOI: 10.14670/hh-18.849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
UNLABELLED Odontogenic lesions are rare, but can be associated with significant morbidity. While their molecular determinants are unknown, they likely express many genes common to normal odontogenesis. This study evaluated the histology and mRNA expression of an unusual odontogenic lesion in a patient with a confirmed history of tricho-dento-osseous syndrome. METHODS Decalcified, frozen 8 micro m sections of the lesion were cut and mounted on glass slides and stained with hematoxylin/eosin for analysis. The expression of multiple genes associated with normal odontogenesis and related pathologies were evaluated by RT-PCR, where possible in samples of the hard and soft tissue components of the lesion. RESULTS Histological examination showed the lesion had large areas of irregular, dentine-like material, enamel matrix, areas of woven immature bone and multiple fully mineralised tooth crowns. Although most of the gene transcripts were amplified from both samples, some, including DLX3/7 and Collagen I demonstrated differential expression. CONCLUSIONS This study shows the gene expression profile of aberrant odontogenesis with associated odontoma formation is similar to that of normal tooth and the genes expressed in other odontogenic lesions. While the role of altered gene expression in the development of such lesions has previously been postulated from transgenic models, this is the only report of an odontogenic lesion in a patient with TDO, and begins to elucidate possible gene interactions key to its development.
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Affiliation(s)
- A P Dodds
- Dept. Pediatric Dentistry, School of Dentistry, The University of North Carolina at Chapel Hill, 27599-7455, USA.
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Abstract
Regulation of pH is necessary to the production of an environment conducive to enamel growth and mineralization. We hypothesize that abnormal extracellular pH in the enamel matrix of mice with the cystic fibrosis gene knocked out (CF mice) results in altered enamel mineralization. The enamel matrix pH during amelogenesis was studied in 10 normal and 10 CF mice. Freshly dissected incisors were immersed in pH indicator or glyoxal bis (2-hydro-xyanil) (GBHA). The normal mouse enamel matrix pH was generally higher and modulated differently than did the CF mouse enamel. GBHA staining showed that normal mice had 2 well-demarcated bands in the maturation zone that correlated to the neutral pH zones, while CF mice showed no staining. These results indicate that CFTR plays a role in pH regulation during enamel development and that a reduced pH results in a lack of calcium influx during enamel maturation and hypomineralization of the CF incisor enamel.
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Affiliation(s)
- W Sui
- Department of Pediatric Dentistry, Brauer Hall CB 7450, School of Dentistry, University of North Carolina, Chapel Hill 27599-7450, USA
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