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Westemeyer RM, Martens A, Phillips H, Hatfield M, Zimmerman E. Non-Nutritive Suck Parameters Measurements Using a Custom Pressure Transducer System. J Vis Exp 2024. [PMID: 38709051 DOI: 10.3791/66273] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2024] Open
Abstract
The non-nutritive suck (NNS) device is a transportable, user-friendly pressure transducer system that quantifies infants' NNS behavior on a pacifier. Recording and analysis of the NNS signal using our system can provide measures of an infant's NNS burst duration (s), amplitude (cmH2O), and frequency (Hz). Accurate, reliable, and quantitative assessment of NNS has immense value in serving as a biomarker for future feeding, speech-language, cognitive, and motor development. The NNS device has been used in numerous research lines, some of which have included measuring NNS features to investigate the effects of feeding-related interventions, characterizing NNS development across populations, and correlating sucking behaviors with subsequent neurodevelopment. The device has also been used in environmental health research to examine how exposures in utero can influence infant NNS development. Thus, the overarching goal in research and clinical utilization of the NNS device is to correlate NNS parameters with neurodevelopmental outcomes to identify children at risk for developmental delays and provide rapid early intervention.
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Affiliation(s)
- Ross M Westemeyer
- Department of Communication Sciences and Disorders, Northeastern University
| | - Alaina Martens
- Department of Communication Sciences and Disorders, Northeastern University
| | - Hannah Phillips
- Department of Communication Sciences and Disorders, Northeastern University
| | - Morgan Hatfield
- Department of Communication Sciences and Disorders, Northeastern University
| | - Emily Zimmerman
- Department of Communication Sciences and Disorders, Northeastern University;
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2
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Martens A, Phillips H, Hines M, Zimmerman E. An examination of the association between infant non-nutritive suck and developmental outcomes at 12 months. PLoS One 2024; 19:e0298016. [PMID: 38315689 PMCID: PMC10843074 DOI: 10.1371/journal.pone.0298016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 01/17/2024] [Indexed: 02/07/2024] Open
Abstract
OBJECTIVE To determine the association between infant non-nutritive suck (NNS) dynamics at 3 months and developmental outcomes at 12 months of age in full-term infants. We hypothesized that infants with more mature NNS at 3 months, as evidence by shorter burst duration, fewer cycles per burst, cycles per minute, higher amplitude, and more bursts, would have higher (better) scores on the developmental outcomes at 12 months. METHODS This was a prospective study that utilized objective and self-report measures. A five-minute NNS sample was collected from 67 infants (54% male) at 3 months of age (average age 2.99 (0.27) months). At 12 months (average age 11.91 (0.26) months), the Development Profile-3 was administered through caregiver interview. RESULTS Infant NNS burst duration, cycles per burst, and cycles per minute were significantly negatively associated with the Development Profile-3 cognitive domain and general scores at 12 months. This is consistent with our hypothesis that infants who have more efficient NNS (fewer bursts and cycles) at 3 months would have higher (better) scores on the Development Profile-3 at 12 months. CONCLUSIONS Findings from this work complement emerging research linking infant NNS with subsequent neurodevelopmental outcomes. This is the first time that these associations have been examined using a quantitative and physiologic-based measure of NNS. These results seem to indicate that specific NNS metrics, which demonstrate maturation of this complex skill, may be useful predictors of neurodevelopment later in life.
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Affiliation(s)
- Alaina Martens
- Department of Communication Sciences and Disorders, Northeastern University, Boston, MA, United States of America
| | - Hannah Phillips
- Department of Communication Sciences and Disorders, Northeastern University, Boston, MA, United States of America
| | - Morgan Hines
- Department of Communication Sciences and Disorders, Northeastern University, Boston, MA, United States of America
| | - Emily Zimmerman
- Department of Communication Sciences and Disorders, Northeastern University, Boston, MA, United States of America
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3
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Shinder E, Hanson P, Phillips H, Tuppo C, Spaniolas K, Pryor A, Powers K, Sanicola C, Hymowitz G. Preoperative medically supervised weight loss programs and weight loss outcomes following bariatric surgery - a prospective analysis. Surg Obes Relat Dis 2024; 20:165-172. [PMID: 37945471 DOI: 10.1016/j.soard.2023.08.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 08/13/2023] [Accepted: 08/28/2023] [Indexed: 11/12/2023]
Abstract
BACKGROUND Prior to undergoing bariatric surgery, many insurance companies require patients to attend medically supervised weight management visits for 3-6 months to be eligible for surgery. There have been few studies that have looked specifically at the relationship between medically supervised weight management visit attendance and postoperative outcomes, and the current literature reports discrepant findings. OBJECTIVES This project aimed to better characterize the relationship between preoperative medically supervised weight management visit attendance and postoperative weight loss outcomes by examining weight loss up to 5 years postbariatric surgery, and by stratifying findings according to the type of surgery undergone. SETTING University Hospital. METHODS Participants were recruited during presurgical bariatric surgery clinic visits at a bariatric and metabolic weight loss center. As part of standard of care all participants were required to participate in monthly medically supervised weight management visits before surgery. Participants who completed bariatric surgical procedures participated in postsurgical follow-up at 3 weeks, 3 months, 6 months, and then annually for 5 years. Weight outcomes measured were percentage of total weight lost. RESULTS The results do not indicate a significant association between number of group visits attended and percent total weight loss at 1 month, 3 months, 6 months, 1 year, 2 years, 3 years, 4 years, or 5 years postbariatric surgery. CONCLUSIONS These data do not suggest a relationship between engagement in a medically supervised weight loss program prior to bariatric surgery and weight loss after surgery in either the short- or the long-term.
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Affiliation(s)
- Eliane Shinder
- Department of Psychiatry and Behavioral Health, Stony Brook School of Medicine, Stony Brook, New York.
| | - Paris Hanson
- Department of Psychiatry and Behavioral Health, Stony Brook School of Medicine, Stony Brook, New York
| | - Hannah Phillips
- Department of Psychiatry and Behavioral Health, Stony Brook School of Medicine, Stony Brook, New York
| | - Catherine Tuppo
- Department of Psychiatry and Behavioral Health, Stony Brook School of Medicine, Stony Brook, New York
| | - Konstantinos Spaniolas
- Department of Psychiatry and Behavioral Health, Stony Brook School of Medicine, Stony Brook, New York
| | - Aurora Pryor
- Department of Psychiatry and Behavioral Health, Stony Brook School of Medicine, Stony Brook, New York
| | - Kinga Powers
- Department of Psychiatry and Behavioral Health, Stony Brook School of Medicine, Stony Brook, New York
| | - Caroline Sanicola
- Department of Psychiatry and Behavioral Health, Stony Brook School of Medicine, Stony Brook, New York
| | - Genna Hymowitz
- Department of Psychiatry and Behavioral Health, Stony Brook School of Medicine, Stony Brook, New York
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4
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Ostadi Moghaddam A, Arshee MR, Lin Z, Sivaguru M, Phillips H, McFarlin BL, Toussaint KC, Wagoner Johnson AJ. An indentation-based framework for probing the glycosaminoglycan-mediated interactions of collagen fibrils. J Mech Behav Biomed Mater 2023; 140:105726. [PMID: 36827935 PMCID: PMC10061372 DOI: 10.1016/j.jmbbm.2023.105726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 02/01/2023] [Accepted: 02/11/2023] [Indexed: 02/17/2023]
Abstract
Microscale deformation processes, such as reorientation, buckling, and sliding of collagen fibrils, determine the mechanical behavior and function of collagenous tissue. While changes in the structure and composition of tendon have been extensively studied, the deformation mechanisms that modulate the interaction of extracellular matrix (ECM) constituents are not well understood, partly due to the lack of appropriate techniques to probe the behavior. In particular, the role of glycosaminoglycans (GAGs) in modulating collagen fibril interactions has remained controversial. Some studies suggest that GAGs act as crosslinkers between the collagen fibrils, while others have not found such evidence and postulate that GAGs have other functions. Here, we introduce a new framework, relying on orientation-dependent indentation behavior of tissue and computational modeling, to evaluate the shear-mediated function of GAGs in modulating the collagen fibril interactions at a length scale more relevant to fibrils compared to bulk tests. Specifically, we use chondroitinase ABC to enzymatically deplete the GAGs in tendon; measure the orientation-dependent indentation response in transverse and longitudinal orientations; and infer the microscale deformation mechanisms and function of GAGs from a microstructural computational model and a modified shear-lag model. We validate the modeling approach experimentally and show that GAGs facilitate collagen fibril sliding with minimal crosslinking function. We suggest that the molecular reconfiguration of GAGs is a potential mechanism for their microscale, strain-dependent viscoelastic behavior. This study reveals the mechanisms that control the orientation-dependent indentation response by affecting the shear deformation and provides new insights into the mechanical function of GAGs and collagen crosslinkers in collagenous tissue.
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Affiliation(s)
- A Ostadi Moghaddam
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA; Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - M R Arshee
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Z Lin
- School of Engineering, Brown University, Providence, RI, 02912, USA
| | - M Sivaguru
- Flow Cytometry and Microscopy to Omics, Roy J. Carver Biotechnology Center, University of Illinois at Urbana-Champaign, Champaign, IL, 61820, USA
| | - H Phillips
- Department of Veterinary Clinical Medicine, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - B L McFarlin
- Department of Women, Children and Family Health Science, University of Illinois College of Nursing, Chicago, IL, 60612, USA
| | - K C Toussaint
- School of Engineering, Brown University, Providence, RI, 02912, USA
| | - A J Wagoner Johnson
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA; Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA; Carle Illinois College of Medicine, University of Illinois at Urbana-Champaign, Champaign, IL, 61820, USA; Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA.
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5
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Ostadi Moghaddam A, Arshee MR, Lin Z, Sivaguru M, Phillips H, McFarlin BL, Toussaint KC, Wagoner Johnson AJ. Orientation-dependent indentation reveals the crosslink-mediated deformation mechanisms of collagen fibrils. Acta Biomater 2023; 158:347-357. [PMID: 36638936 PMCID: PMC10039649 DOI: 10.1016/j.actbio.2023.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 12/18/2022] [Accepted: 01/03/2023] [Indexed: 01/12/2023]
Abstract
The spatial arrangement and interactions of the extracellular matrix (ECM) components control the mechanical behavior of tissue at multiple length scales. Changes in microscale deformation mechanisms affect tissue function and are often hallmarks of remodeling and disease. Despite their importance, the deformation mechanisms that modulate the mechanical behavior of collagenous tissue, particularly in indentation and compression modes of deformation, remain poorly understood. Here, we develop an integrated computational and experimental approach to investigate the deformation mechanisms of collagenous tissue at the microscale. While the complex deformation arising from indentation with a spherical probe is often considered a pitfall rather than an opportunity, we leverage this orientation-dependent deformation to examine the shear-regulated interactions of collagen fibrils and the role of crosslinks in modulating these interactions. We specifically examine tendon and cervix, two tissues rich in collagen with quite different microstructures and mechanical functions. We find that interacting, crosslinked collagen fibrils resist microscale longitudinal compressive forces, while widely used constitutive models fail to capture this behavior. The reorientation of collagen fibrils tunes the compressive stiffness of complex tissues like cervix. This study offers new insights into the mechanical behavior of collagen fibrils during indentation, and more generally, under longitudinal compressive forces, and illustrates the mechanisms that contribute to the experimentally observed orientation-dependent mechanical behavior. STATEMENT OF SIGNIFICANCE: Remodeling and disease can affect the deformation and interaction of tissue constituents, and thus mechanical function of tissue. Yet, the microscale deformation mechanisms are not well characterized in many tissues. Here, we develop a combined experimental-computational approach to infer the microscale deformation mechanisms of collagenous tissues with very different functions: tendon and cervix. Results show that collagen fibrils resist microscale forces along their length, though widely-used constitutive models do not account for this mechanism. This deformation process partially modulates the compressive stiffness of complex tissues such as cervix. Computational modeling shows that crosslink-mediated shear deformations are central to this unexpected behavior. This study offers new insights into the deformation mechanisms of collagenous tissue and the function of collagen crosslinkers.
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Affiliation(s)
- A Ostadi Moghaddam
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - M R Arshee
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Z Lin
- School of Engineering, Brown University, Providence, RI 02912, USA
| | - M Sivaguru
- Flow Cytometry and Microscopy to Omics, Roy J. Carver Biotechnology Center, University of Illinois at Urbana-Champaign, Champaign, IL 61820, USA
| | - H Phillips
- Department of Veterinary Clinical Medicine, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - B L McFarlin
- Department of Women, Children and Family Health Science, University of Illinois College of Nursing, Chicago, IL 60612, USA
| | - K C Toussaint
- School of Engineering, Brown University, Providence, RI 02912, USA
| | - A J Wagoner Johnson
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA; Carle Illinois College of Medicine, University of Illinois at Urbana-Champaign, Champaign, IL 61820, USA; Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
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6
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Hing ZA, Walker JS, Whipp EC, Brinton L, Cannon M, Zhang P, Sher S, Cempre CB, Brown F, Smith PL, Agostinelli C, Pileri SA, Skinner JN, Williams K, Phillips H, Shaffer J, Beaver LP, Pan A, Shin K, Gregory CT, Ozer GH, Yilmaz SA, Harrington BK, Lehman AM, Yu L, Coppola V, Yan P, Scherle P, Wang M, Pitis P, Xu C, Vaddi K, Chen-Kiang S, Woyach J, Blachly JS, Alinari L, Yang Y, Byrd JC, Baiocchi RA, Blaser BW, Lapalombella R. Dysregulation of PRMT5 in chronic lymphocytic leukemia promotes progression with high risk of Richter's transformation. Nat Commun 2023; 14:97. [PMID: 36609611 PMCID: PMC9823097 DOI: 10.1038/s41467-022-35778-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 12/22/2022] [Indexed: 01/08/2023] Open
Abstract
Richter's Transformation (RT) is a poorly understood and fatal progression of chronic lymphocytic leukemia (CLL) manifesting histologically as diffuse large B-cell lymphoma. Protein arginine methyltransferase 5 (PRMT5) is implicated in lymphomagenesis, but its role in CLL or RT progression is unknown. We demonstrate herein that tumors uniformly overexpress PRMT5 in patients with progression to RT. Furthermore, mice with B-specific overexpression of hPRMT5 develop a B-lymphoid expansion with increased risk of death, and Eµ-PRMT5/TCL1 double transgenic mice develop a highly aggressive disease with transformation that histologically resembles RT; where large-scale transcriptional profiling identifies oncogenic pathways mediating PRMT5-driven disease progression. Lastly, we report the development of a SAM-competitive PRMT5 inhibitor, PRT382, with exclusive selectivity and optimal in vitro and in vivo activity compared to available PRMT5 inhibitors. Taken together, the discovery that PRMT5 drives oncogenic pathways promoting RT provides a compelling rationale for clinical investigation of PRMT5 inhibitors such as PRT382 in aggressive CLL/RT cases.
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Affiliation(s)
- Zachary A Hing
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Janek S Walker
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Ethan C Whipp
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Lindsey Brinton
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Matthew Cannon
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Pu Zhang
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Steven Sher
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Casey B Cempre
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Fiona Brown
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Porsha L Smith
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Claudio Agostinelli
- Haematopathology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Stefano A Pileri
- European Institute of Oncology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
- Department of Specialized, Experimental and Diagnostic Medicine, University of Bologna, Bologna, Italy
| | - Jordan N Skinner
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Katie Williams
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Hannah Phillips
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Jami Shaffer
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Larry P Beaver
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Alexander Pan
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Kyle Shin
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Charles T Gregory
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Gulcin H Ozer
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH, USA
| | - Selen A Yilmaz
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH, USA
| | - Bonnie K Harrington
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, USA
- Department of Pathobiology and Diagnostic Investigation, College of Veterinary Medicine, Michigan State University, East Lansing, MI, USA
| | - Amy M Lehman
- Center for Biostatistics, The Ohio State University, Columbus, OH, USA
| | - Lianbo Yu
- Center for Biostatistics, The Ohio State University, Columbus, OH, USA
| | - Vincenzo Coppola
- Department of Cancer Biology and Genetics, The Ohio State University, Columbus, OH, USA
| | - Pearlly Yan
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | | | - Min Wang
- Prelude Therapeutics, Wilmington, DE, USA
| | | | - Chaoyi Xu
- Prelude Therapeutics, Wilmington, DE, USA
| | - Kris Vaddi
- Prelude Therapeutics, Wilmington, DE, USA
| | - Selina Chen-Kiang
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Jennifer Woyach
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - James S Blachly
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Lapo Alinari
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Yiping Yang
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - John C Byrd
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
- Department of Internal Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Robert A Baiocchi
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Bradley W Blaser
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Rosa Lapalombella
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA.
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7
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Nadarajah R, Ludman P, Appelman Y, Brugaletta S, Budaj A, Bueno H, Huber K, Kunadian V, Leonardi S, Lettino M, Milasinovic D, Gale CP, Budaj A, Dagres N, Danchin N, Delgado V, Emberson J, Friberg O, Gale CP, Heyndrickx G, Iung B, James S, Kappetein AP, Maggioni AP, Maniadakis N, Nagy KV, Parati G, Petronio AS, Pietila M, Prescott E, Ruschitzka F, Van de Werf F, Weidinger F, Zeymer U, Gale CP, Beleslin B, Budaj A, Chioncel O, Dagres N, Danchin N, Emberson J, Erlinge D, Glikson M, Gray A, Kayikcioglu M, Maggioni AP, Nagy KV, Nedoshivin A, Petronio AP, Roos-Hesselink JW, Wallentin L, Zeymer U, Popescu BA, Adlam D, Caforio ALP, Capodanno D, Dweck M, Erlinge D, Glikson M, Hausleiter J, Iung B, Kayikcioglu M, Ludman P, Lund L, Maggioni AP, Matskeplishvili S, Meder B, Nagy KV, Nedoshivin A, Neglia D, Pasquet AA, Roos-Hesselink JW, Rossello FJ, Shaheen SM, Torbica A, Gale CP, Ludman PF, Lettino M, Bueno H, Huber K, Leonardi S, Budaj A, Milasinovic (Serbia) D, Brugaletta S, Appelman Y, Kunadian V, Al Mahmeed WAR, Kzhdryan H, Dumont C, Geppert A, Bajramovic NS, Cader FA, Beauloye C, Quesada D, Hlinomaz O, Liebetrau C, Marandi T, Shokry K, Bueno H, Kovacevic M, Crnomarkovic B, Cankovic M, Dabovic D, Jarakovic M, Pantic T, Trajkovic M, Pupic L, Ruzicic D, Cvetanovic D, Mansourati J, Obradovic I, Stankovic M, Loh PH, Kong W, Poh KK, Sia CH, Saw K, Liška D, Brozmannová D, Gbur M, Gale CP, Maxian R, Kovacic D, Poznic NG, Keric T, Kotnik G, Cercek M, Steblovnik K, Sustersic M, Cercek AC, Djokic I, Maisuradze D, Drnovsek B, Lipar L, Mocilnik M, Pleskovic A, Lainscak M, Crncic D, Nikojajevic I, Tibaut M, Cigut M, Leskovar B, Sinanis T, Furlan T, Grilj V, Rezun M, Mateo VM, Anguita MJF, Bustinza ICM, Quintana RB, Cimadevilla OCF, Fuertes J, Lopez F, Dharma S, Martin MD, Martinez L, Barrabes JA, Bañeras J, Belahnech Y, Ferreira-Gonzalez I, Jordan P, Lidon RM, Mila L, Sambola A, Orvin K, Sionis A, Bragagnini W, Cambra AD, Simon C, Burdeus MV, Ariza-Solé A, Alegre O, Alsina M, Ferrando JIL, Bosch X, Sinha A, Vidal P, Izquierdo M, Marin F, Esteve-Pastor MA, Tello-Montoliu A, Lopez-Garcia C, Rivera-Caravaca JM, Gil-Pérez P, Nicolas-Franco S, Keituqwa I, Farhan HA, Silva L, Blasco A, Escudier JM, Ortega J, Zamorano JL, Sanmartin M, Pereda DC, Rincon LM, Gonzalez P, Casado T, Sadeghipour P, Lopez-Sendon JL, Manjavacas AMI, Marin LAM, Sotelo LR, Rodriguez SOR, Bueno H, Martin R, Maruri R, Moreno G, Moris C, Gudmundsdottir I, Avanzas P, Ayesta A, Junco-Vicente A, Cubero-Gallego H, Pascual I, Sola NB, Rodriguez OA, Malagon L, Martinez-Basterra J, Arizcuren AM, Indolfi C, Romero J, Calleja AG, Fuertes DG, Crespín Crespín M, Bernal FJC, Ojeda FB, Padron AL, Cabeza MM, Vargas CM, Yanes G, Kitai T, Gonzalez MJG, Gonzalez Gonzalez J, Jorge P, De La Fuente B, Bermúdez MG, Perez-Lopez CMB, Basiero AB, Ruiz AC, Pamias RF, Chamero PS, Mirrakhimov E, Hidalgo-Urbano R, Garcia-Rubira JC, Seoane-Garcia T, Arroyo-Monino DF, Ruiz AB, Sanz-Girgas E, Bonet G, Rodríguez-López J, Scardino C, De Sousa D, Gustiene O, Elbasheer E, Humida A, Mahmoud H, Mohamed A, Hamid E, Hussein S, Abdelhameed M, Ali T, Ali Y, Eltayeb M, Philippe F, Ali M, Almubarak E, Badri M, Altaher S, Alla MD, Dellborg M, Dellborg H, Hultsberg-Olsson G, Marjeh YB, Abdin A, Erglis A, Alhussein F, Mgazeel F, Hammami R, Abid L, Bahloul A, Charfeddine S, Ellouze T, Canpolat U, Oksul M, Muderrisoglu H, Popovici M, Karacaglar E, Akgun A, Ari H, Ari S, Can V, Tuncay B, Kaya H, Dursun L, Kalenderoglu K, Tasar O, Kalpak O, Kilic S, Kucukosmanoglu M, Aytekin V, Baydar O, Demirci Y, Gürsoy E, Kilic A, Yildiz Ö, Arat-Ozkan A, Sinan UY, Dagva M, Gungor B, Sekerci SS, Zeren G, Erturk M, Demir AR, Yildirim C, Can C, Kayikcioglu M, Yagmur B, Oney S, Xuereb RG, Sabanoglu C, Inanc IH, Ziyrek M, Sen T, Astarcioglu MA, Kahraman F, Utku O, Celik A, Surmeli AO, Basaran O, Ahmad WAW, Demirbag R, Besli F, Gungoren F, Ingabire P, Mondo C, Ssemanda S, Semu T, Mulla AA, Atos JS, Wajid I, Appelman Y, Al Mahmeed WAR, Atallah B, Bakr 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Potpara T, Marinkovic M, Mihajlovic M, Mujovic N, Kocijancic A, Mijatovic Z, Radovanovic M, Matic D, Milosevic A, Savic L, Subotic I, Uscumlic A, Zlatic N, Antonijevic J, Vesic O, Vucic R, Martinovic SS, Kostic T, Atanaskovic V, Mitic V, Stanojevic D, Petrovic M. Cohort profile: the ESC EURObservational Research Programme Non-ST-segment elevation myocardial infraction (NSTEMI) Registry. Eur Heart J Qual Care Clin Outcomes 2022; 9:8-15. [PMID: 36259751 DOI: 10.1093/ehjqcco/qcac067] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 10/11/2022] [Indexed: 11/12/2022]
Abstract
AIMS The European Society of Cardiology (ESC) EURObservational Research Programme (EORP) Non-ST-segment elevation myocardial infarction (NSTEMI) Registry aims to identify international patterns in NSTEMI management in clinical practice and outcomes against the 2015 ESC Guidelines for the management of acute coronary syndromes in patients presenting without ST-segment-elevation. METHODS AND RESULTS Consecutively hospitalised adult NSTEMI patients (n = 3620) were enrolled between 11 March 2019 and 6 March 2021, and individual patient data prospectively collected at 287 centres in 59 participating countries during a two-week enrolment period per centre. The registry collected data relating to baseline characteristics, major outcomes (in-hospital death, acute heart failure, cardiogenic shock, bleeding, stroke/transient ischaemic attack, and 30-day mortality) and guideline-recommended NSTEMI care interventions: electrocardiogram pre- or in-hospital, pre-hospitalization receipt of aspirin, echocardiography, coronary angiography, referral to cardiac rehabilitation, smoking cessation advice, dietary advice, and prescription on discharge of aspirin, P2Y12 inhibition, angiotensin converting enzyme inhibitor (ACEi)/angiotensin receptor blocker (ARB), beta-blocker, and statin. CONCLUSION The EORP NSTEMI Registry is an international, prospective registry of care and outcomes of patients treated for NSTEMI, which will provide unique insights into the contemporary management of hospitalised NSTEMI patients, compliance with ESC 2015 NSTEMI Guidelines, and identify potential barriers to optimal management of this common clinical presentation associated with significant morbidity and mortality.
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Affiliation(s)
- Ramesh Nadarajah
- Leeds Institute for Cardiovascular and Metabolic Medicine, University of Leeds, LS2 9JT Leeds, UK.,Leeds Institute of Data Analytics, University of Leeds, LS2 9JT Leeds, UK.,Department of Cardiology, Leeds Teaching Hospitals NHS Trust, LS1 3EX Leeds, UK
| | - Peter Ludman
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | - Yolande Appelman
- Department of Cardiology, Amsterdam UMC-Vrije Universiteit, Amsterdam Cardiovascular Sciences, Amsterdam, Netherlands
| | - Salvatore Brugaletta
- Hospital Clinic de Barcelona, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
| | - Andrzej Budaj
- Department of Cardiology, Center of Postgraduate Medical Education, Grochowski Hospital, Warsaw, Poland
| | - Hector Bueno
- Cardiology Department, Hospital Universitario 12 de Octubre and Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain.,Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain.,Facultad de Medicina, Universidad Complutense de Madrid, Madrid, Spain
| | - Kurt Huber
- 3rd Medical Department, Cardiology and Intensive Care Medicine, Clinic Ottakring (Wilhelminenhospital), Vienna, Austria.,Medical Faculty, Sigmund Freud University, Vienna, Austria
| | - Vijay Kunadian
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK.,Cardiothoracic Centre, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Sergio Leonardi
- University of Pavia, Pavia, Italy.,Fondazione IRCCS Policlinico S.Matteo, Pavia, Italy
| | - Maddalena Lettino
- Cardio-Thoracic and Vascular Department, San Gerardo Hospital, ASST-Monza, Monza, Italy
| | - Dejan Milasinovic
- Department of Cardiology, University Clinical Center of Serbia and Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Chris P Gale
- Leeds Institute for Cardiovascular and Metabolic Medicine, University of Leeds, LS2 9JT Leeds, UK.,Leeds Institute of Data Analytics, University of Leeds, LS2 9JT Leeds, UK.,Department of Cardiology, Leeds Teaching Hospitals NHS Trust, LS1 3EX Leeds, UK
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Phillips H, Savadia K, Johnson G. 1412 Cervical spine immobilisation in ambulatory patients. J Accid Emerg Med 2022. [DOI: 10.1136/emermed-2022-rcem2.48] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Aims, Objectives and BackgroundApproximately 2500 people suffer a traumatic cervical spinal fracture per year in the UK, of which 10–14% have an associated spinal cord injury. Emergency department practice was changed after Sundstrom et al (2014) found existing evidence for cervical spine collars to be weak. From April 2015 a new guideline was implemented in the Royal Derby Hospital removing the routine use of cervical collars for certain groups. This allowed patients who self-presented to the ED who met the Canadian C-spine criteria for radiographic imaging to remain free from immobilisation devices and undergo standing plain films or self-position for CT imaging.Method and DesignA retrospective case note review was carried out from April 2009 to September 2021. Patients with a confirmed diagnosis of cervical spine fracture were identified and those who did not arrive by ambulance were selected for analysis. Their case notes were reviewed for fracture site, time since injury, neurological symptoms and clinical management.Results and ConclusionCervical spine fracture was diagnosed in 30 patients each year on average over the study period. Fifteen per cent were not conveyed by ambulance. Over 70% of patients presented more than 4 hours after their injury. The most common site of injury was C6/7 (50%) followed by C2 (30%). Those patients who self-presented to the emergency department and were subsequently diagnosed with a cervical spine fracture suffered no adverse outcomes. Self-presentation to the emergency
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Zhang P, Brinton LT, Gharghabi M, Sher S, Williams K, Cannon M, Walker JS, Canfield D, Beaver L, Cempre CB, Phillips H, Chen X, Yan P, Lehman A, Scherle P, Wang M, Vaddi K, Baiocchi R, Wang R, Sampath D, Alinari L, Blachly JS, Lapalombella R. Targeting OXPHOS de novo purine synthesis as the nexus of FLT3 inhibitor-mediated synergistic antileukemic actions. Sci Adv 2022; 8:eabp9005. [PMID: 36112677 PMCID: PMC9481139 DOI: 10.1126/sciadv.abp9005] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 07/28/2022] [Indexed: 05/09/2023]
Abstract
Using a genome-wide CRISPR screen, we identified CDK9, DHODH, and PRMT5 as synthetic lethal partners with gilteritinib treatment in fms-like tyrosine kinase 3 (FLT3)-internal tandem duplication (ITD) acute myeloid leukemia (AML) and genetically and pharmacologically validated their roles in gilteritinib sensitivity. The presence of FLT3-ITD is associated with an increase in anaerobic glycolysis, rendering leukemia cells highly sensitive to inhibition of glycolysis. Supportive of this, our data show the enrichment of single guide RNAs targeting 28 glycolysis-related genes upon gilteritinib treatment, suggesting that switching from glycolysis to oxidative phosphorylation (OXPHOS) may represent a metabolic adaption of AML in gilteritinib resistance. CDK9i/FLT3i, DHODHi/FLT3i, and PRMT5i/FLT3i pairs mechanistically converge on OXPHOS and purine biosynthesis blockade, implying that targeting the metabolic functions of these three genes and/or proteins may represent attractive strategies to sensitize AML to gilteritinib treatment. Our findings provide the basis for maximizing therapeutic impact of FLT3-ITD inhibitors and a rationale for a clinical trial of these novel combinations.
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Affiliation(s)
- Pu Zhang
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
- College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Lindsey T. Brinton
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Mehdi Gharghabi
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
- Department of Outcomes and Translational Sciences, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA
| | - Steven Sher
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Katie Williams
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Matthew Cannon
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Janek S. Walker
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Daniel Canfield
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Larry Beaver
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Casey B. Cempre
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Hannah Phillips
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Xuyong Chen
- Center for Childhood Cancer and Blood Diseases, Hematology/Oncology and BMT, Abigail Wexner Research Institute at Nationwide Children’s Hospital, The Ohio State University, Columbus, OH, USA
| | - Pearlly Yan
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Amy Lehman
- Center for Biostatistics, The Ohio State University, Columbus, OH, USA
| | | | - Min Wang
- Prelude Therapeutics, Wilmington, DE, USA
| | - Kris Vaddi
- Prelude Therapeutics, Wilmington, DE, USA
| | - Robert Baiocchi
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Ruoning Wang
- Center for Childhood Cancer and Blood Diseases, Hematology/Oncology and BMT, Abigail Wexner Research Institute at Nationwide Children’s Hospital, The Ohio State University, Columbus, OH, USA
| | - Deepa Sampath
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Lapo Alinari
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - James S. Blachly
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH, USA
- Leukemia Research Program, The Ohio State University James Comprehensive Cancer Center, Columbus, OH, USA
| | - Rosa Lapalombella
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
- College of Pharmacy, The Ohio State University, Columbus, OH, USA
- Leukemia Research Program, The Ohio State University James Comprehensive Cancer Center, Columbus, OH, USA
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Stephens C, Phillips H. Older People's Neighbourhood Perceptions are Related to Social and Emotional Loneliness and Mediated by Social Network Type. Gerontologist 2022; 62:1336-1346. [PMID: 35719023 PMCID: PMC9579458 DOI: 10.1093/geront/gnac087] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Loneliness among older people is a public health issue, however, there is very weak support for the efficacy of individually focussed interventions. A public health model which includes the environmental influence on formation of social networks and protection from loneliness, and theoretical approaches differentiating between social and emotional loneliness, suggest the importance of neighbourhoods in preventing loneliness. This approach was used to test the influence of neighbourhood factors on loneliness and the mediating role of social networks. RESEARCH DESIGN AND METHODS A questionnaire survey of 917 people aged 60 to 100 years was conducted in one region of Aotearoa/New Zealand to assess loneliness, social network types, social participation, marital status, gender, health and four aspects of neighbourhood perceptions. RESULTS Social and Emotional Loneliness scores were regressed on predicted demographic and social variables followed by perceptions of Housing Satisfaction, Neighbourhood Accessibility, Neighbourhood Security, and Neighbourhood Social Cohesion. Neighbourhood variables added significant explanation of variance in both Social and Emotional Loneliness. Mediation tests using PROCESS showed that the effects of all neighbourhood variables were mediated by Private Restricted or Locally Integrated Network types on Social Loneliness only. DISCUSSION AND IMPLICATIONS These findings highlight the importance of neighbourhood factors in relation to feelings of loneliness and the recognition of social network types as mediators of these relationships for social loneliness. The aspects of neighbourhoods that prevent loneliness provide directions for planners and prevention programmes. Interventions to prevent social loneliness can usefully and practicably focus on the housing and neighbourhood environment.
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Affiliation(s)
- Christine Stephens
- School of Psychology, Massey University, Palmerston North, Aotearoa/New Zealand
| | - Hannah Phillips
- School of Psychology, Massey University, Palmerston North, Aotearoa/New Zealand
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Moghaddam AO, Lin Z, Sivaguru M, Phillips H, McFarlin BL, Toussaint KC, Johnson AJW. Heterogeneous microstructural changes of the cervix influence cervical funneling. Acta Biomater 2022; 140:434-445. [PMID: 34958969 PMCID: PMC8828692 DOI: 10.1016/j.actbio.2021.12.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 12/03/2021] [Accepted: 12/21/2021] [Indexed: 12/31/2022]
Abstract
The cervix acts as a dynamic barrier between the uterus and vagina, retaining the fetus during pregnancy and allowing birth at term. Critical to this function, the physical properties of the cervix change, or remodel, but abnormal remodeling can lead to preterm birth (PTB). Although cervical remodeling has been studied, the complex 3D cervical microstructure has not been well-characterized. In this complex, dynamic, and heterogeneous tissue microenvironment, the microstructural changes are likely also heterogeneous. Using quantitative, 3D, second-harmonic generation microscopy, we demonstrate that rat cervical remodeling during pregnancy is not uniform across the cervix; the collagen fibers orient progressively more perpendicular to the cervical canals in the inner cervical zone, but do not reorient in other regions. Furthermore, regions that are microstructurally distinct early in pregnancy become more similar as pregnancy progresses. We use a finite element simulation to show that heterogeneous regional changes influence cervical funneling, an important marker of increased risk for PTB; the internal cervical os shows ∼6.5x larger radial displacement when fibers in the inner cervical zone are parallel to the cervical canals compared to when fibers are perpendicular to the canals. Our results provide new insights into the microstructural and tissue-level cervical changes that have been correlated with PTB and motivate further clinical studies exploring the origins of cervical funneling. STATEMENT OF SIGNIFICANCE: Cervical funneling, or dilation of the internal cervical os, is highly associated with increased risk of preterm birth. This study explores the 3D microstructural changes of the rat cervix during pregnancy and illustrates how these changes influence cervical funneling, assuming similar evolution in rats and humans. Quantitative imaging showed that microstructural remodeling during pregnancy is nonuniform across cervical regions and that initially distinct regions become more similar. We report, for the first time, that remodeling of the inner cervical zone can influence the dilation of the internal cervical os and allow the cervix to stay closed despite increased intrauterine pressure. Our results suggest a possible relationship between the microstructural changes of this zone and cervical funneling, motivating further clinical investigations.
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Affiliation(s)
- A. Ostadi Moghaddam
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Champaign, IL 61820, USA
| | - Z. Lin
- School of Engineering, Brown University, Providence, RI 02912, USA
| | - M. Sivaguru
- Flow Cytometry and Microscopy to Omics, Roy J. Carver Biotechnology Center, University of Illinois at Urbana-Champaign, Champaign, IL 61820, USA
| | - H. Phillips
- Department of Veterinary Clinical Medicine, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - B. L. McFarlin
- Department of Women, Children and Family Health Science, University of Illinois College of Nursing, Chicago, IL 60612, USA
| | - K. C. Toussaint
- School of Engineering, Brown University, Providence, RI 02912, USA
| | - A. J. Wagoner Johnson
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Champaign, IL 61820, USA,Carle Illinois College of Medicine, University of Illinois at Urbana-Champaign, Champaign, IL 61820, USA,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA,Corresponding author at: 2101A Mechanical Engineering Laboratory MC-244, University of Illinois at Urbana-Champaign, 1206 West Green Street, Urbana, IL 61801, United States.
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Cannon M, Phillips H, Smith S, Mitchell S, Landes K, Desai P, Byrd J, Lapalombella R. Red blood cells differentiated in vitro using sequential liquid and semi-solid culture as a pre-clinical model. Exp Hematol Oncol 2021; 10:50. [PMID: 34715921 PMCID: PMC8555309 DOI: 10.1186/s40164-021-00244-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 10/21/2021] [Indexed: 11/10/2022] Open
Abstract
The in vitro erythrocyte differentiation model remains a strong, clinically relevant tool to model erythroid development in normal and disease related hematopoiesis. This model also has application to developing therapeutics for diseases related to red blood cells such as sickle cell anemia where targeting increased expression of fetal hemoglobin has been a major emphasis. Since the original protocol's publication in 2002, many groups have published modified methodologies to address issues in efficiency of maturation and terminal enucleation, as well as in scalability. While all reports have merit and show efficient enucleation, the methodologies used vary widely in technique and cytokine content. Additionally, despite the strengths in these methods, reproducibility of efficient differentiation to the point of differentiation is difficult. To address these limitations, we developed a streamlined process where total PBMCs are first primed using the original liquid culture expansion phase (published in 2002) before being differentiated with minimal input via standardized, commercially purchased semi-solid medium culture pre-supplemented with erythropoietin. Our data show this methodology to produce similar levels of CD235/CD71 positivity as previous methods but with enhanced CD235 solo positivity and evidence of enucleated cells in comparison with other widely used methods. Given the difficulty and wide variation in in vitro differentiation techniques, we present this methodology as a streamlined methodology for production of mature erythroid cells with minimal input using easily purchased reagents.
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Affiliation(s)
- Matthew Cannon
- grid.261331.40000 0001 2285 7943Division of Hematology, The Ohio State University, Columbus, OH USA
| | - Hannah Phillips
- grid.261331.40000 0001 2285 7943Division of Hematology, The Ohio State University, Columbus, OH USA
| | - Sidney Smith
- grid.261331.40000 0001 2285 7943Division of Hematology, The Ohio State University, Columbus, OH USA
| | - Shaneice Mitchell
- grid.261331.40000 0001 2285 7943Division of Hematology, The Ohio State University, Columbus, OH USA
| | - Kristina Landes
- grid.261331.40000 0001 2285 7943Division of Hematology, The Ohio State University, Columbus, OH USA
| | - Payal Desai
- grid.261331.40000 0001 2285 7943Division of Hematology, The Ohio State University, Columbus, OH USA
| | - John Byrd
- grid.261331.40000 0001 2285 7943Division of Hematology, The Ohio State University, Columbus, OH USA ,grid.261331.40000 0001 2285 7943College of Veterinary Medicine, The Ohio State University, Columbus, OH USA ,grid.261331.40000 0001 2285 7943Division of Pharmaceutics, College of Pharmacy, The Ohio State University, Columbus, OH USA
| | - Rosa Lapalombella
- Division of Hematology, The Ohio State University, Columbus, OH, USA. .,The Ohio State University, Room 455C, OSUCCC Building, 410 West 12th Avenue, Columbus, OH, 43210, USA.
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Zhang P, Brinton LT, Williams K, Sher S, Orwick S, Tzung-Huei L, Mims AS, Coss CC, Kulp SK, Youssef Y, Chan WK, Mitchell S, Mustonen A, Cannon M, Phillips H, Lehman AM, Kauffman T, Beaver L, Canfield D, Grieselhuber NR, Alinari L, Sampath D, Yan P, Byrd JC, Blachly JS, Lapalombella R. Targeting DNA Damage Repair Functions of Two Histone Deacetylases, HDAC8 and SIRT6, Sensitizes Acute Myeloid Leukemia to NAMPT Inhibition. Clin Cancer Res 2021; 27:2352-2366. [PMID: 33542077 DOI: 10.1158/1078-0432.ccr-20-3724] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 12/24/2020] [Accepted: 02/01/2021] [Indexed: 11/16/2022]
Abstract
PURPOSE Nicotinamide phosphoribosyltransferase (NAMPT) inhibitors (NAMPTi) are currently in development, but may be limited as single-agent therapy due to compound-specific toxicity and cancer metabolic plasticity allowing resistance development. To potentially lower the doses of NAMPTis required for therapeutic benefit against acute myeloid leukemia (AML), we performed a genome-wide CRISPRi screen to identify rational disease-specific partners for a novel NAMPTi, KPT-9274. EXPERIMENTAL DESIGN Cell lines and primary cells were analyzed for cell viability, self-renewal, and responses at RNA and protein levels with loss-of-function approaches and pharmacologic treatments. In vivo efficacy of combination therapy was evaluated with a xenograft model. RESULTS We identified two histone deacetylases (HDAC), HDAC8 and SIRT6, whose knockout conferred synthetic lethality with KPT-9274 in AML. Furthermore, HDAC8-specific inhibitor, PCI-34051, or clinical class I HDAC inhibitor, AR-42, in combination with KPT-9274, synergistically decreased the survival of AML cells in a dose-dependent manner. AR-42/KPT-9274 cotreatment attenuated colony-forming potentials of patient cells while sparing healthy hematopoietic cells. Importantly, combined therapy demonstrated promising in vivo efficacy compared with KPT-9274 or AR-42 monotherapy. Mechanistically, genetic inhibition of SIRT6 potentiated the effect of KPT-9274 on PARP-1 suppression by abolishing mono-ADP ribosylation. AR-42/KPT-9274 cotreatment resulted in synergistic attenuation of homologous recombination and nonhomologous end joining pathways in cell lines and leukemia-initiating cells. CONCLUSIONS Our findings provide evidence that HDAC8 inhibition- or shSIRT6-induced DNA repair deficiencies are potently synergistic with NAMPT targeting, with minimal toxicity toward normal cells, providing a rationale for a novel-novel combination-based treatment for AML.
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Affiliation(s)
- Pu Zhang
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio.,College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Lindsey T Brinton
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Katie Williams
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Steven Sher
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Shelley Orwick
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Lai Tzung-Huei
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Alice S Mims
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | | | - Samuel K Kulp
- College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Youssef Youssef
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Wing Keung Chan
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Shaneice Mitchell
- Department of Pathology, Stanford University School of Medicine, Stanford, California
| | - Allison Mustonen
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Matthew Cannon
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Hannah Phillips
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Amy M Lehman
- Center for Biostatistics, Department of Biomedical Informatics, The Ohio State University, Columbus, Ohio
| | - Tierney Kauffman
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Larry Beaver
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Daniel Canfield
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Nicole R Grieselhuber
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Lapo Alinari
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Deepa Sampath
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Pearlly Yan
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - John C Byrd
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio.,College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - James S Blachly
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio
| | - Rosa Lapalombella
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio.
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Lee W, Ostadi Moghaddam A, Shen S, Phillips H, McFarlin BL, Wagoner Johnson AJ, Toussaint KC. An optomechanogram for assessment of the structural and mechanical properties of tissues. Sci Rep 2021; 11:324. [PMID: 33431940 PMCID: PMC7801423 DOI: 10.1038/s41598-020-79602-6] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 11/24/2020] [Indexed: 11/25/2022] Open
Abstract
The structural and mechanical properties of tissue and the interplay between them play a critical role in tissue function. We introduce the optomechanogram, a combined quantitative and qualitative visualization of spatially co-registered measurements of the microstructural and micromechanical properties of any tissue. Our approach relies on the co-registration of two independent platforms, second-harmonic generation (SHG) microscopy for quantitative assessment of 3D collagen-fiber microstructural organization, and nanoindentation (NI) for local micromechanical properties. We experimentally validate our method by applying to uterine cervix tissue, which exhibits structural and mechanical complexity. We find statistically significant agreement between the micromechanical and microstructural data, and confirm that the distinct tissue regions are distinguishable using either the SHG or NI measurements. Our method could potentially be used for research in pregnancy maintenance, mechanobiological studies of tissues and their constitutive modeling and more generally for the optomechanical metrology of materials.
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Affiliation(s)
- W Lee
- Department of Mechanical Engineering, University of Colorado Boulder, Boulder, CO, 80309, USA
| | - A Ostadi Moghaddam
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Champaign, IL, 61820, USA
| | - S Shen
- Center for Health, Aging, and Disability (CHAD), College of Applied Health Science, University of Illinois at Urbana-Champaign, Champaign, IL, 61820, USA
| | - H Phillips
- Department of Veterinary Clinical Medicine, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - B L McFarlin
- Department of Women, Children and Family Health Science, University of Illinois College of Nursing, Chicago, IL, 60612, USA
| | - A J Wagoner Johnson
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Champaign, IL, 61820, USA. .,Carle Illinois College of Medicine, University of Illinois at Urbana-Champaign, Champaign, IL, 61820, USA. .,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA.
| | - K C Toussaint
- School of Engineering, Brown University, Providence, RI, 02912, USA.
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Arce-Cordero JA, Monteiro HF, Phillips H, Estes K, Faciola AP. Effects of unprotected choline chloride on microbial fermentation in a dual-flow continuous culture depend on dietary neutral detergent fiber concentration. J Dairy Sci 2020; 104:2966-2978. [PMID: 33358799 DOI: 10.3168/jds.2020-19089] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 10/13/2020] [Indexed: 01/02/2023]
Abstract
Choline is usually supplemented as ruminally protected choline chloride to prevent its degradation in the rumen, but the effects of unprotected choline on ruminal fermentation are unclear. Some research indicates a possible role of dietary fiber on microbial degradation of choline; therefore we aimed to evaluate the effects of unprotected choline chloride on ruminal fermentation and to investigate whether those effects depend on dietary neutral detergent fiber (NDF) concentration. Our hypothesis was that dietary NDF concentration would influence choline chloride effects on microbial ruminal fermentation. We used 8 fermentors in a duplicated 4 × 4 Latin square with a 2 × 2 factorial arrangement, combining 2 factors: (1) dietary NDF concentration and (2) unprotected choline chloride supplementation. Resulting treatments are (1) 30%NDF/Ctrl [30% NDF control diet without supplemental choline (Cho)]; (2) 30%NDF/Cho [30% NDF diet plus 1.9 g of choline ion per kg of dry matter (DM)]; (3) 40%NDF/Ctrl (40% NDF control diet without supplemental choline); and (4) 40%NDF/Cho (40% NDF diet plus 1.9 g of choline ion per kg of DM). Four 10-d periods were completed, each consisting of 7 d for adaptation and 3 d for collection of samples for estimation of nutrient disappearance and daily average concentrations of volatile fatty acids and NH3-N. In addition, kinetics of pH, acetate, and propionate were evaluated at 0, 1, 2, 4, 6, and 8 h after morning feeding. On the last day of each period, bacteria pellets were harvested for 15N analysis and N metabolism. Fixed effects of dietary NDF concentration, unprotected choline chloride supplementation, and their interaction (NDF × Cho) were tested using the MIXED procedure of SAS version 9.4 (SAS Institute Inc., Cary, NC). Choline tended to increase total volatile fatty acid concentrations and decreased acetate molar proportion regardless of dietary NDF concentration, but it increased propionate molar proportion and decreased acetate to propionate ratio only with the 30% NDF diet. Supplementing choline decreased NDF disappearance regardless of dietary NDF; however, organic matter disappearance tended to be reduced only when choline was added to 40% NDF. Our data indicate that unprotected choline chloride effects on ruminal fermentation depend on dietary NDF concentration, allowing for a greater propionate synthesis without decreasing organic matter disappearance when fed with a 30% NDF diet.
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Affiliation(s)
- J A Arce-Cordero
- Department of Animal Sciences, University of Florida, Gainesville 32611
| | - H F Monteiro
- Department of Animal Sciences, University of Florida, Gainesville 32611
| | - H Phillips
- Department of Animal Sciences, University of Florida, Gainesville 32611
| | - K Estes
- Balchem Corporation, New Hampton, NY 10958
| | - A P Faciola
- Department of Animal Sciences, University of Florida, Gainesville 32611.
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Heins BJ, Phillips H. PSVIII-32 Late-Breaking Abstract: The effect of outdoor stocking density and weather on the behavior of broiler chickens raised in mobile shelters on pasture. J Anim Sci 2020. [DOI: 10.1093/jas/skaa278.615] [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: 11/12/2022] Open
Abstract
Abstract
The aim of this study was to examine the behavior, and the relationship between weather and behavior, of broilers raised in mobile shelters with two stocking densities of pasture access. Fifty straight-run Freedom Rangers were used in three replicates (n = 150) at the University of Minnesota West Central Research and Outreach Center (Morris, MN). From 4 to 11 weeks of age, birds were housed in a mobile shelter divided into two equal-sized pens with daily access to pasture. Birds were allocated to one of the two pens corresponding to the treatment groups: 1) high (0.46 m2 per bird) and 2) low (2.5 m2 per bird) density outdoor pasture allowance. Ten focal birds per pen were randomly designated for behavior observations performed eight times weekly from 5 to 10 weeks of age. Counts of the number of birds outside were recorded during each observation. Behaviors were recorded continuously for 1-minute durations (Animal Behaviour Pro© app) on each focal bird. The means averaged for each observation were analyzed in linear mixed models with fixed (treatment), random (pen and replicate), and repeated (observation) effects. Models included age, heat index, solar radiation, and their interactions with treatment based on a backward stepwise selection. The temperature range recorded during the study was 7 to 32 ⁰C. No behavioral differences between treatments were observed. Standing decreased (P < 0.05) as heat index increased. Pasture use declined (P < 0.05) when heat index was greater than 26 ⁰C. Foraging decreased (P < 0.05) and pasture use increased (P < 0.05) as age increased. The results of this study indicate similar behaviors of broilers raised with two levels of pasture allowance and suggests that hot weather negatively affects the use of pasture space. Thus, providing shade in pasture might be a method to increasing ranging in broilers.
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Cannon M, Phillips H, Smith S, Williams K, Brinton L, Gregory C, Landes K, Desai P, Byrd J, Lapalombella R. Large-Scale Drug Screen Identifies FDA-Approved Drugs for Repurposing in Sickle-Cell Disease. J Clin Med 2020; 9:E2276. [PMID: 32708954 PMCID: PMC7408993 DOI: 10.3390/jcm9072276] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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] [Received: 06/20/2020] [Revised: 07/07/2020] [Accepted: 07/15/2020] [Indexed: 12/26/2022] Open
Abstract
Sickle-cell disease (SCD) is a debilitating hematological disorder with very few approved treatment options. Therapeutic reactivation of fetal hemoglobin (HbF) is one of the most pursued methods for ameliorating the systemic manifestations of SCD. Despite this, very few pharmacological agents have advanced to clinical trials or marketing for use. In this study, we report the development of an HbF in situ intracellular immunoblot assay coupled to a high-throughput drug screen to identify Food and Drug Administration (FDA) approved drugs that can be repurposed clinically for treatment of SCD. Using this assay we evaluated the National Institute of Health (NIH) Clinical Collection (NCC), a publicly available library of 725 small molecules, and found nine candidates that can significantly re-express HbF in erythroid cell lines as well as primary erythroblasts derived from SCD patients. Furthermore, we show the strong effects on HbF expression of these candidates to occur with minimal cytotoxicity in 7 of the 9 drugs. Given these data and their proven history of use for other indications, we hypothesize that several of these candidate drugs warrant further investigation for use in SCD.
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Affiliation(s)
- Matthew Cannon
- Division of Hematology, The Ohio State University, Columbus, OH 43210, USA; (M.C.); (H.P.); (S.S.); (K.W.); (L.B.); (C.G.); (K.L.); (P.D.); (J.B.)
| | - Hannah Phillips
- Division of Hematology, The Ohio State University, Columbus, OH 43210, USA; (M.C.); (H.P.); (S.S.); (K.W.); (L.B.); (C.G.); (K.L.); (P.D.); (J.B.)
| | - Sidney Smith
- Division of Hematology, The Ohio State University, Columbus, OH 43210, USA; (M.C.); (H.P.); (S.S.); (K.W.); (L.B.); (C.G.); (K.L.); (P.D.); (J.B.)
| | - Katie Williams
- Division of Hematology, The Ohio State University, Columbus, OH 43210, USA; (M.C.); (H.P.); (S.S.); (K.W.); (L.B.); (C.G.); (K.L.); (P.D.); (J.B.)
| | - Lindsey Brinton
- Division of Hematology, The Ohio State University, Columbus, OH 43210, USA; (M.C.); (H.P.); (S.S.); (K.W.); (L.B.); (C.G.); (K.L.); (P.D.); (J.B.)
| | - Charles Gregory
- Division of Hematology, The Ohio State University, Columbus, OH 43210, USA; (M.C.); (H.P.); (S.S.); (K.W.); (L.B.); (C.G.); (K.L.); (P.D.); (J.B.)
| | - Kristina Landes
- Division of Hematology, The Ohio State University, Columbus, OH 43210, USA; (M.C.); (H.P.); (S.S.); (K.W.); (L.B.); (C.G.); (K.L.); (P.D.); (J.B.)
| | - Payal Desai
- Division of Hematology, The Ohio State University, Columbus, OH 43210, USA; (M.C.); (H.P.); (S.S.); (K.W.); (L.B.); (C.G.); (K.L.); (P.D.); (J.B.)
| | - John Byrd
- Division of Hematology, The Ohio State University, Columbus, OH 43210, USA; (M.C.); (H.P.); (S.S.); (K.W.); (L.B.); (C.G.); (K.L.); (P.D.); (J.B.)
- College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210, USA
- Division of Pharmaceutics, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA
| | - Rosa Lapalombella
- Division of Hematology, The Ohio State University, Columbus, OH 43210, USA; (M.C.); (H.P.); (S.S.); (K.W.); (L.B.); (C.G.); (K.L.); (P.D.); (J.B.)
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Phillips H, McDowell A, Mielby BS, Tucker IG, Colombo M. Aniracetam does not improve working memory in neurologically healthy pigeons. PLoS One 2019; 14:e0215612. [PMID: 31002681 PMCID: PMC6474613 DOI: 10.1371/journal.pone.0215612] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 04/04/2019] [Indexed: 01/08/2023] Open
Abstract
Understanding the effects of cognitive enhancing drugs is an important area of research. Much of the research, however, has focused on restoring memory following some sort of disruption to the brain, such as damage or injections of scopolamine. Aniracetam is a positive AMPA-receptor modulator that has shown promise for improving memory under conditions when the brain has been damaged, but its effectiveness in improving memory in neurologically healthy subjects is unclear. The aim of the present study was to examine the effects of aniracetam (100mg/kg and 200 mg/kg) on short-term memory in "neurologically healthy" pigeons. Pigeons were administered aniracetam via either intramuscular injection or orally, either 30 or 60 minutes prior to testing on a delayed matching-to-sample task. Aniracetam had no effect on the pigeons' memory performance, nor did it affect response latency. These findings add to the growing evidence that, while effective at improving memory function in models of impaired memory, aniracetam has no effect in improving memory in healthy organisms.
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Affiliation(s)
- Hannah Phillips
- Department of Psychology, University of Otago, Dunedin, Otago, New Zealand
- * E-mail: (HP); (MC)
| | - Arlene McDowell
- School of Pharmacy, University of Otago, Dunedin, Otago, New Zealand
| | | | - Ian G. Tucker
- School of Pharmacy, University of Otago, Dunedin, Otago, New Zealand
| | - Michael Colombo
- Department of Psychology, University of Otago, Dunedin, Otago, New Zealand
- * E-mail: (HP); (MC)
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Riaz O, Nisar S, Phillips H, Siddiqui A. Quantifying the problem of kneeling after a two incision bone tendon bone arthroscopic anterior cruciate ligament reconstruction. Muscles Ligaments Tendons J 2019. [DOI: 10.32098/mltj.03.2015.07] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [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)
- O. Riaz
- Department of Orthopaedics and Trauma Surgery, Calderdale and Huddersfield Foundation NHS Trust, Huddersfield, UK
| | - S. Nisar
- Department of Orthopaedics and Trauma Surgery, Calderdale and Huddersfield Foundation NHS Trust, Huddersfield, UK
| | - H. Phillips
- Department of Orthopaedics and Trauma Surgery, Calderdale and Huddersfield Foundation NHS Trust, Huddersfield, UK
| | - A. Siddiqui
- Department of Orthopaedics and Trauma Surgery, Calderdale and Huddersfield Foundation NHS Trust, Huddersfield, UK
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Al-Ashqar M, Aqil A, Phillips H, Sheikh H, Harrison S, Sidhom S, Chakrabarty G, Dimri R. There is no 'weekend effect' in elective orthopaedic surgery. Ann R Coll Surg Engl 2018; 100:551-555. [PMID: 29909662 DOI: 10.1308/rcsann.2018.0084] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Introduction The 'weekend effect' is said to occur when patient outcomes are adversely affected by the day of the week on which they present to hospital or have surgery. However, it is uncertain whether such a phenomenon exists for elective orthopaedic surgery. We investigated whether there is a 'weekend effect' in elective orthopaedic patients. Methods Retrospectively collected data were obtained from our institution's electronic patient records. We collected demographic and International Statistical Classification of Diseases and Related Health Problems tenth revision coding data for all included patients. Multivariate analyses identified covariate-adjusted risk factors, associated with prolonged stays. Thirty-day mortality data were assessed according to the day on which surgery occurred. Results We analysed data for 892 patients over a one-year period. During the year, 457 patients had a total hip and 435 had a total knee replacement; 814 patients (91.3%) underwent surgery during the week, while 78 (8.7%) had surgery on a Saturday. There was no difference in average length of stay between the groups (5.0, 2.6 vs 5.0, 3.4, P = 0.95). Variables associated with prolonged hospitalisation included increasing age (covariate adjusted relative risk 1.02, 95% confidence interval 1.01-1.03, P < 0.001) and an American Society of Anesthesiologists score of 2, (relative risk 1.6, 95% confidence interval 1.15-2.20, P = 0.005). There was one death in a patient who underwent surgery on a Monday. Conclusions There is no 'weekend effect' for elective orthopaedic surgery.
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Affiliation(s)
| | - Adeel Aqil
- Calderdale and Huddersfield NHS Foundation Trust , Huddersfield , UK
| | - Hannah Phillips
- Calderdale and Huddersfield NHS Foundation Trust , Huddersfield , UK
| | - Hassaan Sheikh
- Calderdale and Huddersfield NHS Foundation Trust , Huddersfield , UK
| | - Simon Harrison
- Calderdale and Huddersfield NHS Foundation Trust , Huddersfield , UK
| | - Sameh Sidhom
- Calderdale and Huddersfield NHS Foundation Trust , Huddersfield , UK
| | | | - Ravinder Dimri
- Calderdale and Huddersfield NHS Foundation Trust , Huddersfield , UK
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Clark-Price S, Phillips H, Selmic L, Keating S, Reagan J. The effect of an intraoperative infusion of amino acids on body temperature, serum biochemistry, serum insulin, and recovery parameters in healthy dogs undergoing ovariohysterectomy. Vet Anaesth Analg 2017. [DOI: 10.1016/j.vaa.2017.09.002] [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: 10/18/2022]
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22
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Wims CM, Ludemann CI, Phillips H, Chapman DF. The economic value to dairy systems of genetic gains in the nutritive value of perennial ryegrass in grass–clover pastures. Anim Prod Sci 2017. [DOI: 10.1071/an16487] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Perennial ryegrass (Lolium perenne L.) breeding efforts have focussed on improving pasture nutritive value by altering flowering behaviour and increasing ploidy. However, the gains in farm profitability that this has delivered are not known. The flowering behaviour, botanical composition and nutritive value of pastures based on 24 perennial ryegrass cultivar–endophyte combinations released in New Zealand since 1970 were compared under grazing for 3 years in the Waikato region of New Zealand. Cultivars were grouped into the following three functional groups for data analysis: mid-season-heading diploids, late- and very late-heading diploids, and late- and very late-heading tetraploids. The first of these groups included older, ‘standard’ cultivars, while the latter two groups were dominated by cultivars released since 2002. The appearance of reproductive tillers in grazed pastures was delayed by 4–8 weeks for the late- and very late-heading cultivars, resulting in pastures that maintained a greater proportion of green leaf and had a greater metabolisable energy (ME) concentration during spring. Tetraploid pastures had a greater ME concentration than did diploid pastures, largely due to the greater ME concentration of the perennial ryegrass component of these pastures. The gains in pasture nutritive value achieved by broadening the range of perennial ryegrass functional types have the potential to deliver economic benefits in the range of NZ$54/ha.year (late-heading diploids compared with mid-heading diploids) to NZ$232/ha.year (tetraploids compared with mid-heading diploids) to New Zealand dairy farmers. Potential economic gains can be diminished by changes in pasture botanical composition both over time and between functional groups.
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Hughes G, Phillips H. Mycophenolate mofetil and cardiovascular disease. Lupus 2016. [DOI: 10.1177/0961203306071672] [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: 10/24/2022]
Abstract
Lupus is proving a fertile ground for research into mechanisms of accelerated atheroma. Often referred to as ‘the new diabetes’, lupus has a relative risk of myocardial infarction way in excess of, for example, other inflammatory diseases such as rheumatoid arthritis. The possible suspects are discussed in this issue of LUPUS, with the antiphospholipid antibody family becoming increasingly important. The observation that mycophenolate mofetil might have therapeutic properties in some models of accelerated vascular disease has thus added impetus to studies of mofetil in lupus and related diseases.
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Affiliation(s)
- Grv Hughes
- Lupus Unit, Rayne Institute, St Thomas’ Hospital, UK
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Giaddui T, Glick A, Bollinger D, Zhong H, Phillips H, Nunez F, Infante R, Hames S, Linnemann N, Elder E, Chen J, Waldron J, Trotti A, Thorstad W, Schaner P, Chakravarti A, Yom S, Xia P, Xiao Y. Improving Treatment Planning Quality, Consistency, and Efficiency Using Rapid and Autoplanning: A Feasibility Study Based on the NRG-HN002 Clinical Trial. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.2265] [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: 11/29/2022]
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25
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Giaddui T, Bollinger D, Glick A, Zhong H, Phillips H, Nunez F, Infante R, Hames S, Linnemann N, Lee R, Tak-Cheung Chan A, Yom S, Hara W, Baxi S, Chakravarti A, Lee N, Xia P, Xiao Y. Toward Improving Treatment Planning Quality and Efficiency Using Knowledge Engineering and Autoplanning: A Study Based on NRG-HN001 Clinical Trial. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.2273] [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: 11/27/2022]
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Abstract
It is widely recognised that developmentally appropriate services for adolescents and young people improve both healthcare experience and health outcomes. However, there is limited evidence of using young people's expertise to evaluate services, or of young people participating in service developments or design to meet their healthcare needs. This report covers both the process and outcomes of a collaborative project with a group of young people (aged 17-25 years) who are 'experts by experience'. We used qualitative mixed methodology to derive themes from narrative accounts of these young people's healthcare experiences to develop an assessment framework that they identified as being relevant to evaluating services. Informing young people about other assessment measures currently in use (including the Department of Health's You're Welcome quality criteria) enabled the group to further develop their views and refine their proposed assessment framework. This paper is co-authored with young people, enabling them to directly voice their views about healthcare services. Reflections on this process and recommendations for working more collaboratively with young people to evaluate healthcare services are also given.
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Affiliation(s)
- Melinda Edwards
- Evelina London Children's Hospital, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Caron Lawson
- Evelina London Children's Hospital, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | | | - Kerry Conley
- Guy's and St Thomas' NHS Foundation Trust, London, UK
| | | | - Rebecca Uings
- Guy's and St Thomas' NHS Foundation Trust, London, UK
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Willemsen D, Cordes C, Bjarnason-Wehrens B, Knoglinger E, Langheim E, Marx R, Reiss N, Schmidt T, Workowski A, Bartsch P, Baumbach C, Bongarth C, Phillips H, Radke R, Riedel M, Schmidt S, Skobel E, Toussaint C, Glatz J. [Rehabilitation standards for follow-up treatment and rehabilitation of patients with ventricular assist device (VAD)]. Clin Res Cardiol Suppl 2016; 11 Suppl 1:2-49. [PMID: 26882905 DOI: 10.1007/s11789-015-0077-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The increasing use of ventricular assist devices (VADs) in terminal heart failure patients provides new challenges to cardiac rehabilitation physicians. Structured cardiac rehabilitation strategies are still poorly implemented for this special patient group. Clear guidance and more evidence for optimal modalities are needed. Thereby, attention has to be paid to specific aspects, such as psychological and social support and education (e.g., device management, INR self-management, drive-line care, and medication).In Germany, the post-implant treatment and rehabilitation of VAD Patients working group was founded in 2012. This working group has developed clear recommendations for the rehabilitation of VAD patients according to the available literature. All facets of VAD patients' rehabilitation are covered. The present paper is unique in Europe and represents a milestone to overcome the heterogeneity of VAD patient rehabilitation.
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Affiliation(s)
- Detlev Willemsen
- Schüchtermann-Klinik, Ulmenalle 5-11, 49214, Bad Rothenfelde, Deutschland.
| | - C Cordes
- Gollwitzer-Meier-Klinik, Bad Oeynhausen, Deutschland
| | - B Bjarnason-Wehrens
- Institut für Kreislaufforschung und Sportmedizin, Deutsche Sporthochschule Köln, Köln, Deutschland
| | | | - E Langheim
- Reha-Zentrum Seehof der DRV-Bund, Teltow, Deutschland
| | - R Marx
- MediClin Fachklinik Rhein/Ruhr, Essen, Deutschland
- Universität Witten/Herdecke, Witten, Deutschland
| | - N Reiss
- Schüchtermann-Klinik, Ulmenalle 5-11, 49214, Bad Rothenfelde, Deutschland
| | - T Schmidt
- Schüchtermann-Klinik, Ulmenalle 5-11, 49214, Bad Rothenfelde, Deutschland
| | - A Workowski
- Schüchtermann-Klinik, Ulmenalle 5-11, 49214, Bad Rothenfelde, Deutschland
| | - P Bartsch
- Schüchtermann-Klinik, Ulmenalle 5-11, 49214, Bad Rothenfelde, Deutschland
| | - C Baumbach
- Herz- und Gefäßzentrum Bad Bevensen, Bad Bevensen, Deutschland
| | - C Bongarth
- Klinik Höhenried, Bernried am Starnberger See, Deutschland
| | - H Phillips
- Reha Parcs Steinhof, Erkrath, Deutschland
| | - R Radke
- Christiaan-Barnard-Klinik, Dahlen-Schmannewitz, Dahlen, Deutschland
| | - M Riedel
- Klinik Fallingbostel, Bad Fallingbostel, Deutschland
| | - S Schmidt
- Gollwitzer-Meier-Klinik, Bad Oeynhausen, Deutschland
| | - E Skobel
- Rehaklinik "An der Rosenquelle", Aachen, Deutschland
| | - C Toussaint
- m&i Fachklinik Herzogenaurach, Herzogenaurach, Deutschland
| | - J Glatz
- Reha-Zentrum Seehof der DRV-Bund, Teltow, Deutschland
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Yang J, Charif AC, Puskas JE, Phillips H, Shanahan KJ, Garsed J, Fleischman A, Goldman K, Roy S, Luebbers MT, Dombrowski SM, Luciano MG. Corrigendum to: Biocompatibility evaluation of a thermoplastic rubber for wireless telemetric intracranial pressure sensor coating. J Mech Behav Biomed Mater 2016; 53:463. [PMID: 28756833 DOI: 10.1016/j.jmbbm.2015.08.028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Jun Yang
- Department of Neurosurgery, Section of Pediatric and Congenital Neurological Surgery, CSF Physiology Laboratory, Neurological Institute, S60, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Andrea C Charif
- Department of Chemical and Biomolecular Engineering, The University of Akron, USA; Department of Polymer Science, The University of Akron, USA
| | - Judit E Puskas
- Department of Chemical and Biomolecular Engineering, The University of Akron, USA; Department of Polymer Science, The University of Akron, USA
| | - Hannah Phillips
- Department of Neurosurgery, Section of Pediatric and Congenital Neurological Surgery, CSF Physiology Laboratory, Neurological Institute, S60, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Kaitlyn J Shanahan
- Department of Neurosurgery, Section of Pediatric and Congenital Neurological Surgery, CSF Physiology Laboratory, Neurological Institute, S60, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Jessica Garsed
- Department of Neurosurgery, Section of Pediatric and Congenital Neurological Surgery, CSF Physiology Laboratory, Neurological Institute, S60, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Aaron Fleischman
- Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | | | - Shuvo Roy
- Department of Bioengineering, The University of California San Francisco, San Francisco, CA, USA
| | - Matthew T Luebbers
- Department of Chemical and Biomolecular Engineering, The University of Akron, USA
| | - Stephen M Dombrowski
- Department of Neurosurgery, Section of Pediatric and Congenital Neurological Surgery, CSF Physiology Laboratory, Neurological Institute, S60, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Mark G Luciano
- Department of Neurosurgery, Section of Pediatric and Congenital Neurological Surgery, CSF Physiology Laboratory, Neurological Institute, S60, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
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Riaz O, Nisar S, Phillips H, Siddiqui A. Quantifying the problem of kneeling after a two incision bone tendon bone arthroscopic anterior cruciate ligament reconstruction. Muscles Ligaments Tendons J 2015; 5:181-6. [PMID: 26605192 DOI: 10.11138/mltj/2015.5.3.181] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
INTRODUCTION the aims of this study was to investigate the post-operative incidence of anterior knee pain and quantify the problem of kneeling in patients who have underwent anterior cruciate ligament (ACL) reconstruction with a bone tendon bone (BTB) graft. METHODS prospective study of 71 male patients who participated in competitive sports and underwent BTB ACL reconstruction using a two incision approach between August 2008 and May 2011. The patella defect was packed with bone graft, and the peritenon was preserved and repaired. A questionnaire was used to evaluate pain and kneeling capability. All patients had pre and post operative Lysholm/Tegner scores, KT1000 evaluation and hop tests to assess knee stability and function. RESULTS 71 patients were operated and had a follow up of 42 months, mean age 29.8. 22 patients had anterior knee pain on kneeling, paraesthesia of anterior knee was found in 23 patients. 65 patients were still able to kneel and 6 found they were unable. 36 were able to kneel for unrestricted periods, 9 for 5-15 minutes, 15 kneel for 1-5 minutes and 5 for >1 minute. Anterior knee pain was compared to kneeling time (P=0.001). Paraesthesia and kneeling time, (P=0.001). Anterior knee pain when compared with Lysholm score (P=0.540), hop test (P=0.277), and Lachman's (P=0.254). CONCLUSIONS two incision BTB grafting of the patella and repair of the paritenon minimises the length of scar at the front of the knee. This reduces any palpable defects which could be causation factor for pain whilst kneeling. We have quantified kneeling and pain, thus aiding patients and surgeons in making the right decision for graft choice for ACL reconstruction.
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Affiliation(s)
- Osman Riaz
- Department of Orthopaedics and Trauma Surgery, Calderdale and Huddersfield Foundation NHS Trust, Huddersfield, UK
| | - Sohail Nisar
- Department of Orthopaedics and Trauma Surgery, Calderdale and Huddersfield Foundation NHS Trust, Huddersfield, UK
| | - Hannah Phillips
- Department of Orthopaedics and Trauma Surgery, Calderdale and Huddersfield Foundation NHS Trust, Huddersfield, UK
| | - Asim Siddiqui
- Department of Orthopaedics and Trauma Surgery, Calderdale and Huddersfield Foundation NHS Trust, Huddersfield, UK
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Genoud G, Vainio M, Phillips H, Dean J, Merimaa M. Radiocarbon dioxide detection based on cavity ring-down spectroscopy and a quantum cascade laser. Opt Lett 2015; 40:1342-1345. [PMID: 25831328 DOI: 10.1364/ol.40.001342] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Monitoring of radiocarbon (C14) in carbon dioxide is demonstrated using mid-infrared spectroscopy and a quantum cascade laser. The measurement is based on cavity ring-down spectroscopy, and a high sensitivity is achieved with a simple setup. The instrument was tested using a standardized sample containing elevated levels of radiocarbon. Radiocarbon dioxide could be detected from samples with an isotopic ratio C14/C as low as 50 parts-per-trillion, corresponding to an activity of 5 kBq/m(3) in pure CO(2), or 2 Bq/m(3) in air after extraction of the CO(2) from an air sample. The instrument is simple, compact, and robust, making it the ideal tool for on-site measurements. It is aimed for monitoring radioactive gaseous emissions in a nuclear power environment, during the operation and decommissioning of nuclear power plants. Its high sensitivity also makes it the ideal tool for the detection of leaks in radioactive waste repositories.
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Yang J, Charif AC, Puskas JE, Phillips H, Shanahan KJ, Garsed J, Fleischman A, Goldman K, Roy S, Luebbers MT, Dombrowski SM, Luciano MG. Biocompatibility evaluation of a thermoplastic rubber for wireless telemetric intracranial pressure sensor coating. J Mech Behav Biomed Mater 2015; 45:83-9. [PMID: 25688030 DOI: 10.1016/j.jmbbm.2015.01.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Revised: 01/21/2015] [Accepted: 01/26/2015] [Indexed: 12/13/2022]
Abstract
This study investigated the biocompatibility of the experimental thermoplastic rubber Arbomatrix(™) that will be used as the protective coating on a novel intracranial pressure (ICP) sensor silicon chip. Arbomatrix(™) was benchmarked against biocompatible commercial silicone rubber shunt tubing in the brain via a rat model with 60-day implant duration. A bare silicon chip was also implanted. The results showed similar cellular distribution in the brain-implant boundary and surrounding tissues. Quantitative analysis of neuron and glia density did not show significant difference between implants. Through histological and immunohistochemical evaluation we conclude that Arbomatrix(™) is well tolerated by the brain. Due to its exceptional barrier properties Arbomatrix(™) has already been shown to be an excellent protective coating for new ICP monitoring chip.
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Affiliation(s)
- Jun Yang
- Department of Neurosurgery, Section of Pediatric and Congenital Neurological Surgery, CSF Physiology Laboratory, Neurological Institute, S60, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Andrea C Charif
- Department of Chemical and Biomolecular Engineering, the University of Akron, USA; Department of Polymer Science, the University of Akron, USA
| | - Judit E Puskas
- Department of Chemical and Biomolecular Engineering, the University of Akron, USA; Department of Polymer Science, the University of Akron, USA
| | - Hannah Phillips
- Department of Neurosurgery, Section of Pediatric and Congenital Neurological Surgery, CSF Physiology Laboratory, Neurological Institute, S60, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Kaitlyn J Shanahan
- Department of Neurosurgery, Section of Pediatric and Congenital Neurological Surgery, CSF Physiology Laboratory, Neurological Institute, S60, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Jessica Garsed
- Department of Neurosurgery, Section of Pediatric and Congenital Neurological Surgery, CSF Physiology Laboratory, Neurological Institute, S60, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Aaron Fleischman
- Department of Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | | | | | - Matthew T Luebbers
- Department of Chemical and Biomolecular Engineering, the University of Akron, USA
| | - Stephen M Dombrowski
- Department of Neurosurgery, Section of Pediatric and Congenital Neurological Surgery, CSF Physiology Laboratory, Neurological Institute, S60, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Mark G Luciano
- Department of Neurosurgery, Section of Pediatric and Congenital Neurological Surgery, CSF Physiology Laboratory, Neurological Institute, S60, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA.
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Phillips H, Sandmann T, Li C, Cloughesy T, Chinot OL, Wick W, Nishikawa R, Mason W, Henriksson R, Saran F, Lai A, Moore N, Hegde P, Abrey L, Bourgon R, Garcia J, Bais C. BI-22 * CORRELATION OF MOLECULAR SUBTYPES WITH OVERALL SURVIVAL (OS) IN AVAGLIO, A RANDOMIZED, PLACEBO-CONTROLLED STUDY OF BEVACIZUMAB (BEV) PLUS RADIOTHERAPY (RT) AND TEMOZOLOMIDE (TMZ) FOR NEWLY DIAGNOSED GLIOBLASTOMA (GBM). Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou239.22] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [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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Riaz O, Nisar S, Phillips H, Muralikuttan K. Is left leg radiculopathy more prevalent and disabling than right leg radiculopathy for lumbar disc herniation? Int J Surg 2014. [DOI: 10.1016/j.ijsu.2014.08.030] [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]
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Adams S, Teo C, McDonald K, Zinger A, Bustamante S, Lim CK, Braidy N, Brew BJ, Guillemin GJ, Agnihotri S, Burrell K, Singh S, Vartanian A, Wolf A, Lang F, Verhaak R, Hawkins C, Aldape K, Zadeh G, Chesnelong C, Chaumeil M, Blough MD, Al-Najjar M, Stechishin OD, Ronen S, Weiss S, Luchman HA, Cairncross JG, Fonkem E, Tobin R, Griffin J, Zuzek A, Rogers M, Giladi M, Wasserman Y, Urman N, Porat Y, Schneiderman R, Munster M, Weinberg U, Kirson E, Palti Y, Godlewski J, Bronisz A, Ansari K, Ogawa D, Nowicki MO, Chiocca EA, Kathagen A, Schulte A, Balcke G, Phillips H, Gunther H, Westphal M, Lamszus K, Makino K, Nakamura H, Hide TI, Yano S, Kuroda JI, Kuratsu JI, Fack F, Bonnel D, Hochart G, Navis AC, Wesseling P, Leenders WPJ, Stauber J, Niclou SP, Sahm F, Oezen I, Opitz C, Radlwimmer B, von Deimling A, Bode HB, Ahrendt T, Adams S, Guillemin G, Wick W, Platten M, Schonberg D, Lubelski D, Rich J, Vartanian A, Singh SK, Burrell K, Agnihotri S, Sabha N, Zadeh G. METABOLIC PATHWAYS. Neuro Oncol 2013. [DOI: 10.1093/neuonc/not205] [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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Phillips H, Armani M, Stavrou D, Ferrara N, Westphal M. Intense focal expression of vascular endothelial growth-factor messenger-RNA in human intracranial neoplasms - association with regions of necrosis. Int J Oncol 2012; 2:913-9. [PMID: 21573646 DOI: 10.3892/ijo.2.6.913] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
To examine the potential involvement of vascular endothelial growth factor (VEGF) in vascular changes which occur in human intracranial neoplasms, we examined a series of tumor specimens for expression of VEGF mRNA by in situ hybridization. VEGF was expressed at high levels by tumor cells in discrete regions in several of the tumors examined. The highest levels were detected in glioblastomas. The presence and location of foci of intense VEGF mRNA expression were, paradoxically well correlated with the presence of necrobiosis within the tumor mass. A less consistent association was observed between VEGF expression and either the degree of vascularization or endothelial cell proliferation. Since VEGF has been shown to induce tissue factor expression, VEGF itself may be involved in the pathogenesis of necrosis. Our findings provide evidence that VEGF mRNA is highly expressed in specific intracranial malignancies and suggest that VEGF plays a complex and multifunctional role in vascular biology.
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Affiliation(s)
- H Phillips
- UNIV HAMBURG,KRANKENHAUS EPPENDORF,DEPT NEUROL SURG,BRAIN TUMOR BIOL LAB,MARTINISTR 52,W-2000 HAMBURG 20,GERMANY. UNIV HAMBURG,KRANKENHAUS EPPENDORF,INST NEUROPATHOL,W-2000 HAMBURG 20,GERMANY. GENENTECH INC,DEPT NEUROSCI,S SAN FRANCISCO,CA 94080. GENENTECH INC,DEPT CARDIOVASC BIOL,S SAN FRANCISCO,CA 94080
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Kozono D, Nitta M, Sampetrean O, Kimberly N, Kushwaha D, Merzon D, Ligon K, Zhu S, Zhu K, Kim TH, Kwon CH, Becher O, Saya H, Chen CC, Donovan LK, Birks SM, Bosak V, Pilkington GJ, Mao P, Li J, Joshi K, Hu B, Cheng S, Sobol RW, Nakano I, Li M, Hale JS, Myers JT, Huang AY, Gladson C, Sloan AA, Rich JN, Lathia JD, Hall PE, Li M, Gallagher J, Hale JS, Wu Q, Venere M, Levy E, Rani MS, Huang P, Bae E, Selfridge J, Cheng L, Guvenc H, McLendon RE, Nakano I, Sloan AE, Phillips H, Lai A, Gladson C, Bredel M, Bao S, Hjelmeland A, Lathia JD, Rich JN, Hale JS, Li M, Sinyuk M, Rich JN, Lathia JD, Lathia JD, Li M, Sathyan P, Hale J, Zinn P, Gallagher J, Wu Q, Carson CT, Naik U, Hjelmeland A, Majumder S, Rich JN, Venere M, Wu Q, Song LA, Vasanji A, Tenley N, Hjelmeland AB, Rich JN, Peruzzi P, Bronisz A, Antonio Chiocca E, Godlewski JA, Guryanova OA, Wu Q, Fang X, Rich JN, Bao S, Christel HMC, Benito C, Zoltan G, Aline B, Tilman S, Josephine B, Carolin M, Thomas S, Violaine G, Unterberg A, Capilla-Gonzalez V, Guerrero-Cazares H, Cebrian-Silla A, Garcia-Verdugo JM, Quinones-Hinojosa A, Man J, Shoemake J, Venere M, Rich J, Yu J, He X, DiMeco F, Vescovi AL, Heth JA, Muraszko KM, Fan X, Nguyen SA, Stechishin OD, Luchman HA, Kelly JJ, Cairncross JG, Weiss S, Kim Y, Kim E, Wu Q, Guryanova OO, Hitomi M, Lathia J, Serwanski D, Sloan AE, Robert J, Lee J, Nishiyama A, Bao S, Hjelmeland AB, Rich JN, Liu JK, Wu Q, Hjelmeland AB, Rich JN, Flavahan WA, Kim Y, Li M, Lathia J, Rich J, Hjelmeland A, Fernandez N, Wu M, Bredel M, Das S, Bazzoli E, Pulvirenti T, Oberstadt MC, Perna F, Boyoung W, Schultz N, Huse JT, Fomchenko EI, Voza F, Tabar V, Brennan CW, DeAngelis LM, Nimer SD, Holland EC, Squatrito M, Chen YH, Gutmann DH, Kim SH, Lee MK, Chwae YJ, Yoo BC, Kim KH, Soeda A, Hara A, Iwama T, Park DM, Golebiewska A, Bougnaud S, Stieber D, Brons NH, Vallar L, Hertel F, Bjerkvig R, Niclou SP, Hamerlik P, Lathia JD, Rasmussen R, Fricova D, Rich JN, Jiri B, Schulte A, Kathagen A, Zapf S, Meissner H, Phillips HS, Westphal M, Lamszus K, Sanzey M, Golebiewska A, Stieber D, Niclou SP, Singh SK, Vartanian A, Gumin J, Sulman EP, Lang FF, Zadeh G, Bayin NS, Dietrich A, Abel T, Chao MV, Song HR, Buchholz CJ, Placantonakis D, Esencay M, Zagzag D, Balyasnikova IV, Prasol MS, Ferguson SD, Ahmed AU, Han Y, Lesniak MS, Barish ME, Brown CE, Herrmann K, Argalian S, Gutova M, Tang Y, Annala A, Moats RA, Ghoda LY, Aboody KS, Hitomi M, Gallagher J, Gadani S, Li M, Adkins J, Vsanji A, Wu Q, Soeda A, McLendon R, Chenn A, Hjelmeland A, Park D, Lathia J, Rich J, Dictus C, Friauf S, Valous NA, Grabe N, Muerle B, Unterberg AW, Herold-Mende CC, Lee HK, Finniss S, Buchris E, Ziv-Av A, Casacu S, Xiang C, Bobbit K, Rempel SA, Mikkelsen T, Slavin S, Brodie C, Kim E, Woo DH, Oh Y, Kim M, Nam DH, Lee J, Li Q, Salas S, Pendleton C, Wijesekera O, Chesler D, Wang J, Smith C, Guerrero-Cazares H, Levchenko A, Quinones-Hinojosa A, LaPlant Q, Pitter K, Bleau AM, Helmy K, Werbeck J, Barrett L, Shimizu F, Benezra R, Tabar V, Holland E, Chu Q, Bar E, Orr B, Eberhart CG, Schmid RS, Bash RE, Werneke AM, White KK, Miller CR, Agasse F, Jhaveri N, Hofman FM, Chen TC, Natsume A, Wakabayashi T, Kondo Y, Woo DH, Kim E, Chang N, Nam DH, Lee J, Moon E, Kanai R, Yip S, Kimura A, Tanaka S, Rheinbay E, Cahill D, Curry W, Mohapatra G, Iafrate J, Chi A, Martuza R, Rabkin S, Wakimoto H, Cusulin C, Luchman HA, Weiss S, Gutova M, Frank JA, Annala AJ, Barish ME, Moats RA, Aboody KS. LAB-STEM CELLS. Neuro Oncol 2012. [DOI: 10.1093/neuonc/nos239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Abstract
Discography is used as an aid in the diagnosis of back pain related to intervertebral disc pathology. It involves attempting to elicit the patient's pain symptoms by injecting contrast into the suspected pathological disc. The overall complication rate of discography is low, with discitis being the most common complication and acute disc herniation post lumbar discography being reported in a small number of cases. We describe the case of a patient who developed cauda equina compression post lumbar discography.
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Affiliation(s)
- Hannah Phillips
- Department of Neurosurgery, Leeds General Infirmary, West Yorkshire, UK
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Cesca F, Yabe A, Spencer-Dene B, Arrigoni A, Al-Qatari M, Henderson D, Phillips H, Koltzenburg M, Benfenati F, Schiavo G. Kidins220/ARMS is an essential modulator of cardiovascular and nervous system development. Cell Death Dis 2011; 2:e226. [PMID: 22048169 PMCID: PMC3223693 DOI: 10.1038/cddis.2011.108] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The growth factor family of neurotrophins has major roles both inside and outside the nervous system. Here, we report a detailed histological analysis of key phenotypes generated by the ablation of the Kinase D interacting substrate of 220 kDa/Ankyrin repeat-rich membrane spanning (Kidins220/ARMS) protein, a membrane-anchored scaffold for the neurotrophin receptors Trk and p75NTR. Kidins220 is important for heart development, as shown by the severe defects in the outflow tract and ventricle wall formation displayed by the Kidins220 mutant mice. Kidins220 is also important for peripheral nervous system development, as the loss of Kidins220 in vivo caused extensive apoptosis of DRGs and other sensory ganglia. Moreover, the neuronal-specific deletion of this protein leads to early postnatal death, showing that Kidins220 also has a critical function in the postnatal brain.
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Affiliation(s)
- F Cesca
- Department of Neuroscience and Brain Technologies, The Italian Institute of Technology, Genoa, Italy.
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S, Akcay B, Ak I, Vardareli E, Stachura M, Kwasiborski PJ, Kjeldsen BJ, Horszczaruk GJ, Komar E, Cwetsch A, Nasr GM, Sliem H, Hayes Brown K, Alexander S, Green J, Zraik B, Jain S, Andersen LI, Aldaas F, Collado F, Alhaji M, Morales Demori R, Doukky R, Falcao A, Chalela WA, Azouri LO, Almeida ADJ, Ramires JAF, Haghfelt T, Meneghetti JC, Siqueira ME, Vieira E, Kelendjian J, Oliveira M, Alves F, Smanio P, Balogh I, Kerecsen G, Marosi E, Grupe P, Szelid ZS, Al-Mallah M, Sattar A, Swadia T, Chattahi J, Qureshi W, Khalid F, Peix A, Cabrera LO, Gonzalez A, Johansen A, Padron K, Carrillo R, Mena E, Fernandez Y, Hechavarria S, Rodriguez L, Takamura K, Fujimoto S, Nakanishi R, Yamashina S, Hesse B, Namiki A, Yamazaki J, Koshino K, Fukuda H, Hashikawa Y, Teramoto N, Hikake M, Ishikane S, Ikeda T, Iida H, Pena H, Dey T, Wieczorek H, Bippus R, Backus BE, Romijn RL, Verzijlbergen JF, Aach T, Takahashi Y, Oriuchi N, Higashino H, Cantinho G, Endo K, Mochizuki T, Murase K, Baali A, Moreno R, Chau M, Rousseau H, Nicoud F, Dolliner P, Brammen L, Wilk M, Steurer G, Traub-Weidinger T, Ubl P, Schaffarich P, Dobrozemsky G, Staudenherz A, Ozgen Kiratli M, Temelli B, Kanat NB, Aksoy T, Srour Y, Slavich GA, Piccoli G, Puppato M, Grillone S, Gasparini D, Danad I, Raijmakers PG, Appelman YE, Harms HJ, Van Kuijk C, Godinho F, Hoekstra OS, Lammertsma AA, Lubberink M, Van Rossum AC, Knaapen P, Dunet V, Perruchoud S, Poitry-Yamate C, Lepore M, Gruetter R, Zafrir N, Pedrazzini T, Prior JO, Anselm D, Anselm A, Atkins H, Renaud J, Dekemp R, Burwash I, Guo A, Williams K, Gutstein A, Beanlands R, Glover C, Vilardi I, Zangheri B, Calabrese L, Romano P, Bruno A, Barreiro Perez M, Martin Fernandez M, Fernandez Cimadevilla OC, Mats I, Leon Duran D, Florez Munoz JP, Velasco Alonso E, Luyando LH, Uusitalo VA, Kajander S, Saraste A, Luotolahti M, Wendelin-Saarenhovi M, Sundell J, Battler A, Raitakari O, Knuuti J, Mlynarska A, Mlynarski R, Wilczek J, Sosnowski M, Huidu S, Gadiraju R, Ghesani M, Uddin Q, Solodky A, Wosnitzer B, Takahashi N, Alhaj E, Legasto A, Abiri B, Elsaban K, El Khouly T, El Kammash T, Al Ghamdi A, Hommel H, Sari E, Feuchtner G, Pachinger O, Friedrich G, Mlynarska A, Mlynarski R, Wilczek J, Sosnowski M, Purvis JA, Hughes SM, Kyung Deok B, Singh N, Bon Seung K, Sang Geun Y, Chang Min D, Gwan Hong M, Vara A, Peters AM, De Belder A, Nair S, Ryan N, James R, Dizdarevic S, Depuey G, Friedman M, Wray R, Old R, Babla H, Chuanyong B, Maddahi J, Tragardh Johansson E, Sjostrand K, Edenbrandt L, Aguade-Bruix S, Cuberas-Borros G, Pizzi MN, Sabate-Fernandez M, De Leon G, Garcia-Dorado D, Castell-Conesa J, Candell-Riera J, Casset-Senon D, Edjlali-Goujon M, Alison D, Delhommais A, Cosnay P, Low CS, Notghi A, O'brien J, Tweddel AC, Bingham N, O Neil P, Harbinson M, Lindner O, Burchert W, Schaefers M, Marcassa C, Campini R, Calza P, Zoccarato O, Kisko A, Kmec J, Babcak M, Vereb M, Vytykacova M, Cencarik J, Gazdic P, Stasko J, Abreu A, Pereira E, Oliveira L, Colarinha P, Veloso V, Enriksson I, Proenca G, Delgado P, Rosario L, Sequeira J, Kosa I, Vassanyi I, Egyed CS, Kozmann GY, Morita S, Nanasato M, Nanbu I, Yoshida Y, Hirayama H, Allam A, Sharef A, Shawky I, Farid M, Mouden M, Ottervanger JP, Timmer JR, De Boer MJ, Reiffers S, Jager PL, Knollema S, Nasr GM, Mohy Eldin M, Ragheb M, Casans-Tormo I, Diaz-Exposito R, Hurtado-Mauricio FJ, Ruano R, Diego M, Gomez-Caminero F, Albarran C, Martin De Arriba A, Rosero A, Lopez R, Martin Luengo C, Garcia-Talavera JR, Laitinen IEK, Rudelius M, Weidl E, Henriksen G, Wester HJ, Schwaiger M, Pan XB, Schindler T, Quercioli A, Zaidi H, Ratib O, Declerck JM, Alexanderson Rosas E, Jacome R, Jimenez-Santos M, Romero E, Pena-Cabral MA, Meave A, Gonzalez J, Rouzet F, Bachelet L, Alsac JM, Suzuki M, Louedec L, Petiet A, Chaubet F, Letourneur D, Michel JB, Le Guludec D, Aktas A, Cinar A, Yaman G, Bahceci T, Kavak K, Gencoglu A, Jimenez-Heffernan A, Sanchez De Mora E, Lopez-Martin J, Lopez-Aguilar R, Ramos C, Salgado C, Ortega A, Sanchez-Gonzalez C, Roa J, Tobaruela A, Nesterov SV, Turta O, Maki M, Han C, Knuuti J, Daou D, Tawileh M, Chamouine SO, Coaguila C, Aguade-Bruix S, Mariscal-Labrador E, Cuberas-Borros G, Sabate-Fernandez M, Pizzi MN, Kisiel-Gonzalez N, Garcia-Dorado D, Castell-Conesa J, Candell-Riera J, Daou D, Tawileh M, Coaguila C, De Araujo Goncalves P, Sousa PJ, Marques H, O'neill J, Pisco J, Cale R, Brito J, Gaspar A, Machado FP, Roquette J, Alexanderson Rosas E, Jimenez-Santos M, Martinez M, Melendez G, Kimura E, Romero E, Pena-Cabral MA, Jacome R, Ochoa JM, Meave A, Alessio AM, Patel A, Lautamaki R, Bengel FM, Bassingthwaighte JB, Caldwell JH, Rahbar K, Seifarth H, Schafers M, Stegger L, Spieker T, Hoffmeier A, Maintz D, Scheld H, Schober O, Weckesser M, Aoki H, Matsunari I, Kajinami K, Martin Fernandez M, Barreiro Perez M, Fernandez Cimadevilla OV, Leon Duran D, Velasco Alonso E, Florez Munoz JP, Luyando LH, Ghadri JR, Pazhenkottil AP, Nkoulou RN, Husmann L, Buechel RR, Herzog BA, Wolfrum M, Gaemperli O, Templin C, Kaufmann PA, De Graaf FR, Schuijf JD, Veltman CE, Van Velzen JE, Kroft LJ, De Roos A, Reiber JHC, Jukema JW, Van Der Wall EE, Bax JJ, Venuraju S, Yerramasu A, Atwal S, Lahiri A, Kunimasa T, Shiba M, Ishii K, Aikawa J, Van Velzen JE, Schuijf JD, De Graaf FR, Kroner ESJ, Kroft LJ, De Roos A, Schalij MJ, Jukema JW, Van Der Wall EE, Bax JJ, Pontone G, Andreini D, Bertella E, Mushtaq S, Formenti A, Annoni AD, Ballerini G, Fiorentini C, Bartorelli AL, Pepi M, Ho KT, Yong QW, Chua KC, Panknin C, Roos CJ, Van Werkhoven JM, Schuijf JD, Van Velzen JE, Witkowska-Grzeslo AJ, Boogers MJ, Kroft LJ, De Roos A, Jukema JW, Bax JJ, Yerramasu A, Venuraju S, Anand DV, Atwal S, Dey D, Berman D, Lahiri A, De Graaf FR, Schuijf JD, Veltman CE, Van Werkhoven JM, Van Velzen JE, Kroft LJ, De Roos A, Jukema JW, Van Der Wall EE, Bax JJ, Mut F, Giubbini R, Lusa L, Massardo T, Iskandrian A, Dondi M, Sato A, Kakefuda Y, Ojima E, Adachi T, Atsumi A, Ishizu T, Seo Y, Hiroe M, Aonuma K, Kruk M, Pracon R, Kepka C, Pregowski J, Kowalewska A, Pilka M, Opolski M, Michalowska I, Dzielinska Z, Demkow M, Stoll V, Sabharwal N, Chakera A, Ormerod O, Fernandes H, Bernardes M, Martins E, Oliveira P, Vieira T, Terroso G, Oliveira A, Faria T, Ventura F, Pereira J, Fukuzawa S, Inagaki M, Sugioka J, Ikeda A, Okino S, Maekawa J, Uchiyama T, Kamioka N, Ichikawa S, Afshar M, Alvi R, Aguilar N, Ippili R, Shaqra H, Bella J, Bhalodkar N, Dos Santos A, Daicz M, Cendoya LO, Marrero HG, Casuscelli J, Embon M, Vera Janavel G, Duronto E, Gurfinkel EP, Cortes CM, Takeishi Y, Nakajima K, Yamasaki Y, Nishimura T, Hayes Brown K, Collado F, Alhaji M, Green J, Alexander S, Vashistha R, Jain S, Aldaas F, Shanes J, Doukky R, Ashikaga K, Akashi YJ, Uemarsu M, Kamijima R, Yoneyama K, Omiya K, Miyake Y, Brodov Y, Venuraju S, Yerramasu A, Raval U, Lahiri A, Berezin A, Seden V, Koretskaya E, Berezin A, Panasenko TA, Matsuo S, Nakajima K, Kinuya S, Veltman CE, Boogers MJ, Chen J, Delgado V, Van Bommel RJ, Van Der Hiel B, Dibbets-Schneider P, Van Der Wall EE, Garcia EV, Bax JJ, Rutten-Vermeltfoort I, Gevers MMJ, Verhoeven B, Dijk Van AB, Raaijmakers E, Raijmakers PGHM, Engvall JE, Gjerde M, De Geer J, Olsson E, Quick P, Persson A, Mazzanti M, Marini M, Pimpini L, Perna GP, Marciano C, Gargiulo P, Galderisi M, D'amore C, Savarese G, Casaretti L, Paolillo S, Cuocolo A, Perrone Filardi P, Thompson RC, Al-Amoodi M, Thompson EC, Kennedy K, Bybee KA, Mcghie AI, O'keefe JH, Bateman TM, Van Der Palen RLF, Mavinkurve-Groothuis AM, Bulten B, Bellersen L, Van Laarhoven HWM, Kapusta L, De Geus-Oei LF, Pollice PP, Bonifazi MB, Pollice FP, Clements IP, Hodge DO, Scott CG, Daou D, Tawileh M, Coaguila C, De Ville De Goyet M, Brichard B, Pirotte T, Moniotte S, Tio RA, Elvan A, Dierckx RAIO, Slart RHJA, Furuhashi T, Moroi M, Hase H, Joki N, Masai H, Kunimasa T, Nakazato R, Fukuda H, Sugi K, Kryczka K, Kaczmarska E, Kepka C, Dzielinska Z, Petryka J, Mazurkiewicz L, Kruk M, Pregowski J, Demkow M, Ruzyllo W, Smanio P, Vieira Segundo E, Siqueira M, Kelendjian J, Ribeiro J, Alaca J, Oliveira M, Alves F, Peovska I, Maksimovic J, Vavlukis M, Kostova N, Pop Gorceva D, Majstorov V, Zdraveska M, Hussain S, Djearaman M, Hoey E, Morus L, Erinfolami O, Macnamara A, Kepka C, Kruk M, Pregowski J, Opolski MP, Pracon R, Michalowska I, Ruzyllo W, Witkowski A, Demkow M, Berti V, Ricci F, Gallicchio R, Acampa W, Cerisano G, Vigorito C, Sciagra' R, Pupi A, Cuocolo A, Nasr GM, Sliem H, Collado FM, Alhaji M, Schmidt S, Maheshwari A, Kiriakos R, Hayes Brown K, Vashistha R, Mwansa V, Shanes J, Doukky R, Ljubojevic S, Sedej S, Holzer M, Marsche G, Marijanski V, Kockskaemper J, Pieske B, Alexanderson Rosas E, Jacome R, Jimenez-Santos M, Romero E, Pena-Cabral MA, Ochoa JM, Ricalde A, Alexanderson G, Meave A, Mohani A, Khanna P, Liu Y, Sinusas A, Lee F, Pinas VA, Van Eck-Smit BLF, Verberne HJ, Lammertsma AA, De Bruin CM, Windhorst AD, Pena H, Guilhermina G, Wilk M, Srour Y, Godinho F, Jimenez-Angeles L, Ruiz De Jesus O, Yanez-Suarez O, Vallejo E, Reyes E, Chan M, Hossen ML, Underwood SR, Karu A, Bokhari S, Aguade-Bruix S, Cuberas-Borros G, Pineda V, Gracia-Sanchez LM, Pizzi MN, Garcia-Burillo A, Garcia-Dorado D, Castell-Conesa J, Candell-Riera J, Zavadovskiy K, Lishmanov YU, Saushkin W, Kovalev I, Chernishov A, Pontone G, Andreini D, Cortinovis S, Bertella E, Mushtaq S, Annoni A, Formenti A, Bartorelli AL, Fiorentini C, Pepi M, Tarkia M, Saraste A, Saanijoki T, Oikonen V, Savunen T, Green MA, Strandberg M, Teras M, Knuuti J, Roivainen A, Gaeta MC, Fernandez Y, Artigas C, Deportos J, Geraldo L, Flotats A, La Delfa V, Carrio I, Wong YY, Lubberink M, Ruiter G, Knaapen P, Raijmakers P, Laarse WJ, Vonk-Noordegraaf A, Izquierdo Gomez MM, Lacalzada Almeida J, Barragan Acea A, De La Rosa Hernandez A, Juarez Prera R, Blanco Palacios G, Bonilla Arjona JA, Jimenez Rivera JJ, Iribarren Sarrias JL, Laynez Cerdena I, Dedic A, Rossi A, Ten Kate GJR, Dharampal A, Moelker A, Galema TW, Mollet N, De Feyter PJ, Nieman K, Andreini D, Pontone G, Mushtaq S, Formenti A, Bertella E, Annoni A, Ballerini G, Fiorentini C, Pepi M, Andreini D, Pontone G, Mushtaq S, Bartorelli AL, Trabattoni D, Bertella E, Annoni A, Formenti A, Fiorentini C, Pepi M, Broersen A, Frenay M, Boogers MM, Kitslaar PH, Van Velzen JE, Schuijf JD, Dijkstra J, Bax JJ, Reiber JHC, Pontone G, Andreini D, Mushtaq S, Bertella E, Annoni DA, Muratori M, Fusari M, Ballerini G, Bartorelli AL, Pepi M, Masai H, Moroi M, Johki N, Kunimasa T, Tokue M, Nakazato R, Furuhashi T, Fukuda H, Hase H, Sugi K, Dharampal AS, Weustink AC, Rossi A, Neefjes LAE, Papadopoulou SL, Chen C, Mollet NRA, Boersma EH, Krestin GP, De Feyter PJ, Purvis JA, Sharma D, Hughes SM, Zafrir N, Maddahi J, Berman DS, Taillefer R, Udelson J, Devine M, Lazewatsky J, Bhat G, Washburn D, Yerramasu A, Patel D, Mazurek T, Tandon S, Bansal S, Inzucchi S, Staib L, Davey J, Chyun D, Young L, Wackers F, Fukuda H, Moroi M, Masai H, Kunimasa T, Nakazato R, Furuhashi T, Sugi K, Harbinson MT, Wells G, Dougan J, Borges-Neto S, Phillips H, Farzaneh-Far A, Starr Z, Shaw LK, Fiuzat M, O'connor C, Henzlova M, Duvall WL, Levine A, Baber U, Croft L, Sahni S, Sethi S, Hermann L, Allam AH, Wann LS, Thompson RC, Nureldin A, Gomaa A, Badr I, Soliman MAT, Hany HAR, Sutherland ML, Thomas GS, Yiu KH, Schuijf J, Van Werkhoven JM, De Graaf F, Pazhenkottil A, Jukema JW, Bax JJ, De Roos A, Kroft LJ, Kaufmann PA, Kroner ESJ, Van Velzen JE, Boogers MJ, Siebelink HMJ, Schalij MJ, Kroft LJ, De Roos A, Reiber JH, Schuijf JD, Bax JJ, Ayub M, Naveed T, Azhar M, Van Tosh A, Faber TL, Votaw JR, Reichek N, Pulipati B, Palestro C, Nichols KJ, Einstein AJ, Khawaja T. Abstracts. Eur Heart J Suppl 2011. [DOI: 10.1093/eurheartj/sur013] [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: 11/13/2022]
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Soeding PF, Wang J, Hoy G, Jarman P, Phillips H, Marks P, Royse C. The Effect of the Sitting Upright or ‘Beachchair’ Position on Cerebral Blood Flow during Anaesthesia for Shoulder Surgery. Anaesth Intensive Care 2011; 39:440-8. [DOI: 10.1177/0310057x1103900315] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The sitting upright or ‘beachchair’ position is commonly used for shoulder arthroscopic surgery. There is a theoretical concern that anaesthetised patients placed in this posture are at risk of reduced cerebral blood flow (CBF), especially if there is associated hypotension. This study investigated the effect of anaesthetic-induced hypotension on estimated cerebral blood flow in patients placed in the beachchair position for shoulder surgery. Forty patients were randomised to either sedation (propofol infusion 10 to 20 mg.hour-1, n=20) or general anaesthesia using sub minimum alveolar concentration of sevoflurane (n=20). All patients received an interscalene brachial plexus regional block. Internal carotid artery blood flow was measured using the time averaged velocity of the spectral Doppler waveform, and was then used as an estimate of global CBF. Following a pre-anaesthesia study, measurement of internal carotid artery blood flow was made before and after beachchair positioning, and at five-minute intervals during surgery. Beachchair positioning during general anaesthesia significantly decreased the mean arterial pressure (34±10 mmHg) compared to sedation (4±2 mmHg, P <0.01), and vasopressor therapy was required more often. However, CBF remained constant in both anaesthetised (P=0.83) and sedated patients (P=0.68) despite beachchair positioning, and the fall in mean arterial pressure in the anaesthetised patients. There was no significant difference in CBF between groups (P=0.91). These findings indicate that in patients in the beachchair position receiving sevoflurane anaesthesia, CBF is maintained when mean arterial pressure is above 70 mmHg, consistent with intact autoregulation.
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Affiliation(s)
- P. F. Soeding
- Department of Anaesthesia, The Avenue Hospital, Melbourne, Victoria, Australia
- Cardiovascular Therapeutics Unit, Department of Pharmacology, University of Melbourne and Visiting Consultant Anaesthetist, Department of Anaesthesia and Pain Management, Royal Melbourne Hospital
| | - J. Wang
- Department of Anaesthesia, The Avenue Hospital, Melbourne, Victoria, Australia
- Faculty of Medicine and Health Science, University of Melbourne
| | - G. Hoy
- Department of Anaesthesia, The Avenue Hospital, Melbourne, Victoria, Australia
- Melbourne Orthopaedic Group
| | - P. Jarman
- Department of Anaesthesia, The Avenue Hospital, Melbourne, Victoria, Australia
- Melbourne Orthopaedic Group
| | - H. Phillips
- Department of Anaesthesia, The Avenue Hospital, Melbourne, Victoria, Australia
| | - P. Marks
- Department of Anaesthesia, The Avenue Hospital, Melbourne, Victoria, Australia
| | - C. Royse
- Department of Anaesthesia, The Avenue Hospital, Melbourne, Victoria, Australia
- Cardiovascular Therapeutics Unit, Department of Pharmacology, University of Melbourne and Department of Anaesthesia and Pain Management, Royal Melbourne Hospital
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Ilhan A, Wagner L, Maj M, Woehrer A, Czech T, Heinzl H, Marosi C, Base W, Preusser M, Jeuken JW, Navis AC, Sijben A, Boots-Sprenger SH, Bleeker FE, Gijtenbeek JM, Wesseling P, Seyed Sadr E, Tessier A, Seyed Sadr M, Alshami J, Anan M, Sabau C, Del Maestro R, Agnihotri S, Gajadhar A, Wolf A, Mischel PM, Hawkins C, Guha A, Guan X, Chance MR, Barnholtz-Sloan JS, Larson JD, Rodriguez FJ, Demer AM, Sarver AL, Dubac A, Jenkins RB, Dupuy AJ, Copeland NG, Jenkins NA, Taylor MD, Largaespada DA, Lusis EA, Stuart JE, Scheck AC, Coons SW, Lal A, Perry A, Gutmann DH, Barnholtz-Sloan JS, Adams MD, Cohen M, Devine K, Wolinsky Y, Bambakidis N, Selman W, Miller R, Sloan AE, Suchorska B, Mehrkens JH, Eigenbrod S, Eroes CA, Tonn JC, Kretzschmar HA, Kreth FW, Buczkowicz P, Bartels U, Morrison A, Zarghooni M, Bouffet E, Hawkins C, Kollmeyer TM, Wrensch M, Decker PA, Xiao Y, Rynearson AL, Fink S, Kosel ML, Johnson DR, Lachance DH, Yang P, Fridley BL, Wiemels J, Wiencke J, Jenkins RB, Zhou YH, Hess KR, Yu L, Raj VR, Liu L, Alfred Yung WK, Hutchins LF, Linskey ME, Roldan G, Kachra R, McIntyre JB, Magliocco A, Easaw J, Hamilton M, Northcott PA, Van Meter T, Eberhart C, Weiss W, Rutka JT, Gupta N, Korshunov A, French P, Kros J, Michiels E, Kloosterhof N, Hauser P, Montange MF, Jouvet A, Bouffet E, Jung S, Kim SK, Wang KC, Cho BK, Di Rocco C, Massimi L, Leonard J, Scheurlen W, Pfister S, Robinson S, Yang SH, Yoo JY, Cho DG, Kim HK, Kim SW, Lee SW, Fink S, Kollmeyer T, Rynearson A, Decker P, Sicotte H, Yang P, Jenkins R, Lai A, Kharbanda S, Tran A, Pope W, Solis O, Peale F, Forrest W, Purjara K, Carrillo J, Pandita A, Ellingson B, Bowers C, Soriano R, Mohan S, Yong W, Aldape K, Mischel P, Liau L, Nghiemphu P, James CD, Prados M, Westphal M, Lamszus K, Cloughesy T, Phillips H, Thon N, Kreth S, Eigenbrod S, Lutz J, Ledderose C, Tonn JC, Kretzschmar H, Kreth FW, Mokhtari K, Ducray F, Kros JM, Gorlia T, Idbaih A, Marie Y, Taphoorn M, Wesseling P, Brandes AA, Hoang-Xuan K, Delattre JY, Van den Bent M, Sanson M, Lavon I, Shahar T, Granit A, Smith Y, Nossek E, Siegal T, Ram Z, Marko NF, Quackenbush J, Weil RJ, Ducray F, Criniere E, Idbaih A, Paris S, Marie Y, Carpentier C, Houillier C, Dieme M, Adam C, Hoang-Xuan K, Delattre JY, Duyckaerts C, Sanson M, Mokhtari K, Zinn PO, Kozono D, Kasper EM, Warnke PC, Chin L, Chen CC, Saito K, Mukasa A, Saito N, Stieber D, Lenkiewicz E, Evers L, Vallar L, Bjerkvig R, Barrett M, Niclou SP, Gorlia T, Brandes A, Stupp R, Rampling R, Fumoleau P, Dittrich C, Campone M, Twelves C, Raymond E, Lacombe D, van den Bent MJ, Potter N, Ashmore S, Karakoula K, Ward S, Suarez-Merino B, Luxsuwong M, Thomas DG, Darling J, Warr T, Gutman DA, Cooper L, Kong J, Chisolm C, Van Meir EG, Saltz JH, Moreno CS, Brat DJ, Brennan CW, Brat DJ, Aldape KD, Cohen M, Lehman NL, McLendon RE, Miller R, Schniederjan M, Vandenberg SR, Weaver K, Phillips S, Pierce L, Christensen B, Smith A, Zheng S, Koestler D, Houseman EA, Marsit CJ, Wiemels JL, Nelson HH, Karagas MR, Wrensch MR, Kelsey KT, Wiencke JK, Al-Nedawi K, Meehan B, Micallef J, Guha A, Rak J. -Omics and Prognostic Markers. Neuro Oncol 2010. [DOI: 10.1093/neuonc/noq116.s8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Bredel M, Phillips H, Harsh GR, Aldape K, Sikic BI. A regulatory network of canonical nuclear factor-κB activation predicts high-grade glioma outcome. J Clin Oncol 2007. [DOI: 10.1200/jco.2007.25.18_suppl.2007] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
2007 Background: The mechanism for decision between cell death and survival is under fine regulation. Nuclear factor-κB is a transcription regulator that is known to promote survival in many cellular events. Excessive and prolonged activation of NF-κB has been established as a principal mechanism of tumor chemoresistance, which is primarily mediated by its antiapoptotic activity. The pathway leading to the activation of NF-κB involves a complicated network that includes multiple modulatory signaling molecules. We have discovered alterations in several NF-κB pathway modulators in glioblastoma cells, which may act synergistically in activating NF-κB during resistance formation to O6-alkylating agents, including the TNFAIP3, NFKBIA, and TNIP1 genes. Methods: We have retrospectively evaluated the outcome relationship for these and additional endogenous inhibitors of canonical NF-κB activation in three independent high-grade glioma cohorts comprising 175 tumors. Results: We here confirmed the putative importance of NF-κB pathway activation status in predicting high-grade glioma outcome. Our data indicate an increasing complexity and linkage of several modulatory molecules (TNFAIP3, NFKBIA, TNIP1, and TNIP2) to patient outcome that interact physical and functionally in a cooperative fashion to regulate NF-κB activation. We found that for many of these molecules combined predictor models outperform the predictive power of the individual molecules. This observation is consistent with recent evidence suggesting the cooperation of these endogenous inhibitors in a negative feedback regulation of NF-κB activation and a mutual facilitation of their repressive ability. In terms of outcome prediction, we found several of these inhibitors to outperform established clinical and morphological prognostic variables such as patient age and tumor grade (III vs. IV), as well as the O6-methylguanine DNA methyltransferase (MGMT) gene, the currently most established outcome marker in glioblastomas. Conclusions: These findings raise the hope for this regulatory network as an amenable target to modulate NF-κB-mediated resistance in glioblastoma cells, with the ultimate goal of increasing the efficacy of chemotherapy in patients harboring these challenging tumors. No significant financial relationships to disclose.
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Affiliation(s)
- M. Bredel
- Stanford Univ, Stanford, CA; Genentech, South San Francisco, CA; MD Anderson Cancer Center, Houston, TX
| | - H. Phillips
- Stanford Univ, Stanford, CA; Genentech, South San Francisco, CA; MD Anderson Cancer Center, Houston, TX
| | - G. R. Harsh
- Stanford Univ, Stanford, CA; Genentech, South San Francisco, CA; MD Anderson Cancer Center, Houston, TX
| | - K. Aldape
- Stanford Univ, Stanford, CA; Genentech, South San Francisco, CA; MD Anderson Cancer Center, Houston, TX
| | - B. I. Sikic
- Stanford Univ, Stanford, CA; Genentech, South San Francisco, CA; MD Anderson Cancer Center, Houston, TX
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Davies AR, Deans DAC, Penman I, Plevris JN, Fletcher J, Wall L, Phillips H, Gilmour H, Patel D, de Beaux A, Paterson-Brown S. The multidisciplinary team meeting improves staging accuracy and treatment selection for gastro-esophageal cancer. Dis Esophagus 2006; 19:496-503. [PMID: 17069595 DOI: 10.1111/j.1442-2050.2006.00629.x] [Citation(s) in RCA: 110] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The object of this article is to assess current staging accuracies for individual modalities and to investigate the influence of the multidisciplinary team (MDT) on clinical staging accuracies and treatment selection for patients with gastro-esophageal cancer. Patients newly diagnosed with gastric or esophageal cancer and who were deemed suitable for surgical resection by the MDT were studied. Patients were staged with a combination of computerized tomography (CT), endoscopic ultrasound (EUS) and laparoscopic ultrasound (LUS). Additionally, the MDT determined an overall clinical stage for each patient after discussion at the MDT meeting. Treatments were selected according to this final clinical stage. Final histopathological staging (pTNM) was available for all patients and was used as the gold standard for determining staging accuracy. Suitability of treatment selection was assessed once final pTNM was available. One hundred and eighteen patients were studied. Endoscopic ultrasound was the most accurate individual staging modality for the loco-regional assessment of esophageal tumors (T stage accuracy 78%, N stage accuracy 70%). Laparoscopic ultrasound was the most accurate modality in T staging of gastric cancers (91%). The MDT stage was more accurate than each individual staging modality for T and N staging for both gastric and esophageal cancers (accuracy range: 88-89%) and was better for the assessment of nodal disease than each individual modality (CT P < 0.001, EUS P < 0.01, LUS P < 0.01). Overall staging accuracy as determined at the MDT meeting was increased and resulted in only 2/118 (2%) patients being under-treated. The MDT significantly improves staging accuracy for gastro-esophageal cancer and ensures that correct management decisions are made for the highest number of individual patients.
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Affiliation(s)
- A R Davies
- Department of Surgery, Lothian Oesophago-Gastric Cancer Group, Royal Infirmary, Edinburgh, UK
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Abraham A, Hajipour L, Innes AR, Phillips H, McCaskie AW. Are national guidelines for total hip replacement in the UK reflected in practice? Ann R Coll Surg Engl 2006; 88:108-15. [PMID: 16551395 PMCID: PMC1964041 DOI: 10.1308/003588406x82943] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
INTRODUCTION A cross-sectional study was performed to compare the practice of total hip replacement (THR) in the UK against national guidelines. MATERIALS AND METHODS A postal questionnaire was sent to all fellows of the British Orthopaedic Association. RESULTS Of the 1587 questionnaires sent out, 966 (60.9%) were returned. Of these, 706 (73.1%) were available for data collection and analysis. CONCLUSIONS Consensus was observed in several areas including the use of pre-admission clinics and modern cementing techniques. Facilities deemed necessary for THR surgery such as HDU/ITU back-up, ultra-clean air and dedicated orthopaedic wards are almost universally available. However, a lack of consensus is evident in many areas including the process of obtaining written consent, thrombo-embolic prophylaxis, duration of antibiotic prophylaxis, supervision of trainee surgeons and follow-up arrangements. The proliferation in the range of implants, particularly aimed at 'younger' patients, available to surgeons has once again been highlighted.
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Affiliation(s)
- A Abraham
- Department of Orthopaedics, Freeman Hospital, Newcastle upon Tyne, UK
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Affiliation(s)
- R H Plimmer
- The Chemical Department, St Thomas's Hospital Medical School, London
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Blackburn S, Consden R, Phillips H. The action of sulphites on the cystine disulphide linkages of wool: 4. Methylation of the thiol groups of bisulphited wools. Biochem J 2006; 38:25-9. [PMID: 16747742 PMCID: PMC1258017 DOI: 10.1042/bj0380025] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- S Blackburn
- Wool Industries Research Association, Torridon, Headingley, Leeds 6
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