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Trebes H, Wang Y, Reynolds E, Tiplady K, Harland C, Lopdell T, Johnson T, Davis S, Harris B, Spelman R, Couldrey C. Identification of candidate novel production variants on the Bos taurus chromosome X. J Dairy Sci 2023; 106:7799-7815. [PMID: 37562645 DOI: 10.3168/jds.2022-23095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 04/26/2023] [Indexed: 08/12/2023]
Abstract
Chromosome X is often excluded from bovine genetic studies due to complications caused by the sex specific nature of the chromosome. As chromosome X is the second largest cattle chromosome and makes up approximately 6% of the female genome, finding ways to include chromosome X in dairy genetic studies is important. Using female animals and treating chromosome X as an autosome, we performed X chromosome inclusive genome-wide association studies in the selective breeding environment of the New Zealand dairy industry, aiming to identify chromosome X variants associated with milk production traits. We report on the findings of these genome-wide association studies and their potential effect within the dairy industry. We identify missense mutations in the MOSPD1 and CCDC160 genes that are associated with decreased milk volume and protein production and increased fat production. Both of these mutations are exonic SNP that are more prevalent in the Jersey breed than in Holstein-Friesians. Of the 2 candidates proposed it is likely that only one is causal, though we have not been able to identify which is more likely.
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Affiliation(s)
- H Trebes
- Research and Development, Livestock Improvement Corporation, Hamilton 3240, New Zealand.
| | - Y Wang
- Research and Development, Livestock Improvement Corporation, Hamilton 3240, New Zealand
| | - E Reynolds
- Research and Development, Livestock Improvement Corporation, Hamilton 3240, New Zealand
| | - K Tiplady
- Research and Development, Livestock Improvement Corporation, Hamilton 3240, New Zealand
| | - C Harland
- Research and Development, Livestock Improvement Corporation, Hamilton 3240, New Zealand
| | - T Lopdell
- Research and Development, Livestock Improvement Corporation, Hamilton 3240, New Zealand
| | - T Johnson
- Research and Development, Livestock Improvement Corporation, Hamilton 3240, New Zealand
| | - S Davis
- Research and Development, Livestock Improvement Corporation, Hamilton 3240, New Zealand
| | - B Harris
- Research and Development, Livestock Improvement Corporation, Hamilton 3240, New Zealand
| | - R Spelman
- Research and Development, Livestock Improvement Corporation, Hamilton 3240, New Zealand
| | - C Couldrey
- Research and Development, Livestock Improvement Corporation, Hamilton 3240, New Zealand
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Yeh J, Harris B, Tacey M, Lau E, Lapuz C, Mathieu D, Fong SC, Foroudi F, Ng SP, Sim J, Pignol JP, Chao MWT. Non-Animal Stabilized Hyaluronic Acid (NASHA) Gel Marker vs. Surgical Clips for Tumor Bed Delineation in Breast Cancer Using MR-Simulation. Int J Radiat Oncol Biol Phys 2023; 117:e215. [PMID: 37784886 DOI: 10.1016/j.ijrobp.2023.06.1109] [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: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Consistent delineation of the tumor bed (TB) after breast conserving surgery (BCS) is critical and remains a challenge with increasing prevalence of oncoplastic surgeries. Clips are generally used to help TB identification on CT-simulation but they are not well identified on MR-simulation. The aim of this study is to assess whether the use of NASHA gel with MR-simulation yields similar interobserver variability (inter-OV) compared to clips with CT-simulation. MATERIALS/METHODS This prospective single arm feasibility study included patients eligible for BCS. After lumpectomy, the surgeon placed both clips (>5) and NASHA gel drops as markers to define the TB. Patients underwent CT and MRI simulation scans. Five radiation oncologists and one radiologist delineated the TB aided by clips on CT, and gel on MRI. The observers also assessed the visibility and utility of the gel (scale from 1 to 10), as well as the cavity visualization score (CVS, scale from 1 to 5). The primary endpoint was the inter-OV of the delineated TB using the overlap difference of contours using clips and CT versus gel and MRI, with the conformity index measured according to the pair definition of the Dice Similarity Coefficient (DSC). RESULTS Of the 35 patients recruited, 30 were eligible for inter-OV analysis of TB delineation and 5 patients required further breast surgery for positive margins. One third of the eligible patients underwent an oncoplastic procedure. There were no significant differences between inter-OV of delineated TB using clips and CT versus gel and T2-weighted MRI with the mean DSC (0.60 vs 0.62, p = 0.364). The observers reported higher usefulness of gel in patients with an oncoplastic procedure than not (median US 8.2 vs 6.6, p = 0.024), and higher visibility of gel in patients who had their scans within 6 weeks than beyond post-op (median VS 8.1 vs 6.1, p = 0.013). When the CVS was higher (3-5), the median US of gel was lower (5.9 vs 7.8, p = 0.004), and the conformity index of clip and CT delineated TB was higher (median DSC 0.72 vs 0.53, p <0.001). Interestingly, a higher CVS did not lead to significantly higher conformity index of gel and T2-weighted MR delineated TB (mean DSC 0.67 vs 0.58, p = 0.073). NASHA gel injection added a median of 3 minutes to the operating theatre (OT) time and was rated as 'easy' in 89% of cases by surgeons. There were no immediate adverse events (AE) in OT, while 2 of 35 patients later experienced a grade 3 AE - hematoma which required evacuation in OT day 1 post-BCS, and infected seroma which required drainage and washout in OT 2 months post-BCS and axillary dissection. These reflect common risks with standard BCS and are not clearly attributed to gel injection alone. CONCLUSION Use of NASHA gel leads to similar inter-OV of BC TB delineation compared to >5 clips. NASHA gel is hence a reliable alternative to clips when MR-simulation is used.
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Affiliation(s)
- J Yeh
- Peter MacCallum Cancer Centre, Melbourne, VIC, Australia; Olivia Newton-John Cancer Wellness & Research Centre, Austin Hospital, Melbourne, VIC, Australia
| | - B Harris
- Olivia Newton-John Cancer Wellness & Research Centre, Austin Hospital, Melbourne, VIC, Australia
| | - M Tacey
- Northern Health, Victoria, Australia
| | - E Lau
- Radiology and Molecular Imaging Therapy, Austin Health, Melbourne, VIC, Australia; Department of Radiology, University of Melbourne, Melbourne, VIC, Australia
| | - C Lapuz
- Olivia Newton-John Cancer Wellness & Research Centre, Austin Hospital, Melbourne, VIC, Australia
| | - D Mathieu
- Olivia Newton-John Cancer Wellness & Research Centre, Austin Hospital, Melbourne, VIC, Australia; Centre Hospitalier de l'Universite de Montreal, Montreal, QC, Canada
| | - S C Fong
- Olivia Newton-John Cancer Wellness & Research Centre, Austin Hospital, Melbourne, VIC, Australia
| | - F Foroudi
- Olivia Newton-John Cancer Wellness & Research Centre, Austin Hospital, Melbourne, VIC, Australia; Monash University, Melbourne, VIC, Australia
| | - S P Ng
- Olivia Newton-John Cancer Wellness & Research Centre, Austin Hospital, Melbourne, VIC, Australia; Monash University, Melbourne, VIC, Australia
| | - J Sim
- Monash University, Melbourne, VIC, Australia
| | - J P Pignol
- Accuray, Morges, Switzerland; Dalhousie University, Halifax, Canada
| | - M W T Chao
- Olivia Newton-John Cancer Wellness & Research Centre, Austin Hospital, Melbourne, VIC, Australia; Genesis Care, Ringwood East, VIC, Australia
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Bhatnagar A, Collins B, Collins SP, Jean W, Aulisi E, Harris B, Nayar V, Anaizi A, Watson J, Carrasquilla M, Suy S, Conroy D. Marginless 5-Fraction Robotic Radiosurgery for Unfavorable Nonfunctioning Pituitary Macroadenoma: 5-year Outcomes from a Single Institution Protocol. Int J Radiat Oncol Biol Phys 2023; 117:e165. [PMID: 37784765 DOI: 10.1016/j.ijrobp.2023.06.1000] [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: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Nonfunctioning macroadenoma is a commonly diagnosed pituitary tumor. Resection is the favored treatment, with radiosurgery often utilized for residual or progressing disease. Long-term outcomes are established for single-session radiosurgery, but mature outcomes are lacking for multisession radiosurgery. We report our institution's 5-year efficacy and safety results for unfavorable nonfunctioning pituitary macroadenoma patients treated with marginless 5-fraction robotic radiosurgery. MATERIALS/METHODS Between 2010-2020, patients who completed marginless 5-fraction radiosurgery for the treatment of unfavorable nonfunctioning pituitary macroadenomas were included. A tumor was considered unfavorable if the gross tumor volume (GTV) was larger than 5 cc or if it closely approached a critical structure (optic apparatus, brainstem or pituitary gland). Local control was calculated using the Kaplan-Meier Method. RESULTS Twenty predominately female patients (60%), age from 21-77 (median: 53 years) were included in this study. All underwent primary resection. Indications for radiosurgery included unresectable recurrence (85%) and residual disease progression (70%). Median tumor volume was 3.4 cm3 (range: 0.3-20.8 cm3) and 40% of the tumors were suprasellar. A mean dose of 28.8 Gy (range: 25 Gy-30 Gy), was delivered to a median isodose line of 80% (range: 75%-89%). The median optic chiasm maximum point dose was 21.8 Gy (range: 12.0-25.9 Gy). Toxicity was minimal with 12 patients (40%) developing acute short-lived headaches and 1 patient (5%) developing a brief ipsilateral 6th nerve palsy. There was no radiation induced optic or pituitary dysfunction identified in this cohort. At a median follow up of 5 years local control was 95%. There was 1 in-field failure pathologically confirmed following surgery for pituitary tumor hemorrhage and 2 radiographically confirmed out-of-field failures in patients with large tumors (>20 cc). CONCLUSION The treatment of unfavorable nonfunctioning pituitary macroadenoma with marginless 5-fraction robotic radiosurgery provides excellent local control to date, with minimal toxicity. However, tumors with GTV's greater than 20 cc may require conventionally fractionated treatment with a margin to optimize local control.
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Affiliation(s)
- A Bhatnagar
- Department of Radiation Medicine, MedStar Georgetown University Hospital, Washington, DC
| | | | - S P Collins
- Department of Radiation Medicine, MedStar Georgetown University Hospital, Washington, DC
| | - W Jean
- Lehigh Valley Health Network, Leigh County, PA
| | - E Aulisi
- Department of Neurosurgery, MedStar Georgetown University Hospital, Washington, DC
| | - B Harris
- Department of Pathology, Medstar Georgetown University Hospital, Washington, DC
| | - V Nayar
- Department of Neurosurgery, MedStar Georgetown University Hospital, Washington, DC
| | - A Anaizi
- Department of Neurosurgery, MedStar Georgetown University Hospital, Washington, DC
| | - J Watson
- Department of Neurosurgery, MedStar Georgetown University Hospital, Washington, DC
| | - M Carrasquilla
- Department of Radiation Medicine, MedStar Georgetown University Hospital, Washington, DC
| | - S Suy
- Department of Radiation Medicine, MedStar Georgetown University Hospital, Washington, DC
| | - D Conroy
- Department of Radiation Medicine, MedStar Georgetown University Hospital, Washington, DC
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Greene J, Wang Z, Harris B, Dodwell D, Lord S. The impact of body mass index on clinical outcomes for patients receiving systemic anti-cancer therapies for advanced renal cell carcinoma. EUR UROL SUPPL 2022. [DOI: 10.1016/s2666-1683(22)02556-3] [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: 11/11/2022] Open
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5
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Owe SRH, Kuvvetli I, Cherlin A, Harris B, Tomita H, Baistow I, Tcherniak D, Budtz-Jorgensen C. Evaluation of CZT Drift Strip Detectors for use in 3D Molecular Breast Imaging. IEEE Trans Radiat Plasma Med Sci 2022. [DOI: 10.1109/trpms.2022.3220807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- S. R. H. Owe
- DTU Space at the Technical University of Denmark, Kongens Lyngby, Denmark
| | - I. Kuvvetli
- DTU Space at the Technical University of Denmark, Kongens Lyngby, Denmark
| | - A. Cherlin
- Kromek UK, Thomas Wright Way, Sedgefield, UK
| | | | | | - I. Baistow
- Kromek UK, Thomas Wright Way, Sedgefield, UK
| | - D. Tcherniak
- DTU Space at the Technical University of Denmark, Kongens Lyngby, Denmark
| | - C. Budtz-Jorgensen
- DTU Space at the Technical University of Denmark, Kongens Lyngby, Denmark
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Reising MM, Tong C, Harris B, Toohey-Kurth KL, Crossley B, Mulrooney D, Tallmadge RL, Schumann KR, Lock AB, Loiacono CM. A review of guidelines for evaluating a minor modification to a validated assay. REV SCI TECH OIE 2021; 40:217-226. [PMID: 34140729 DOI: 10.20506/rst.40.1.3219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Any modification to a validated assay must be evaluated in terms of the impact on the assay's performance characteristics and whether the assay remains fit for the intended purpose. The comparison is referred to as a 'method comparison', 'method comparability', 'method change', or 'comparative validation'. This review presents recommendations and examples of studies found in the current literature as a means of assessing minor modifications. In addition, the authors discuss common statistical approaches used for these comparisons.
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Harris B, Warren S, Persson E, Bhindi R, Ringborn M, Ugander M, Allahwala U. Coronary collaterals provide more than half of normal perfusion in patients with coronary artery disease - quantification by myocardial perfusion SPECT during elective balloon occlusion. Eur Heart J Cardiovasc Imaging 2021. [DOI: 10.1093/ehjci/jeaa356.343] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
BACKGROUND
The coronary collateral circulation is a preformed network of anastomotic connections acting as a "natural bypass" mechanism. Whilst the prevalence of collaterals varies between species, approximately 25% of patients have angiographically visible robust collaterals at the time of ST elevation myocardial infarction. While the presence of collaterals is associated with improved outcomes, the magnitude of myocardial perfusion which can be provided by the collateral circulation remains uncertain.
PURPOSE
The aim was to quantify collateral myocardial perfusion during experimental coronary balloon occlusion in patients with CAD.
METHODS
The study was approved by the local investigational review board, and all patients provided informed consent. Patients without prior infarction, bypass surgery, or angiographically visible collaterals undergoing elective percutaneous transluminal coronary angioplasty (PTCA) to a single epicardial vessel, underwent two scans with 99mTc-sestamibi myocardial perfusion single-photon emission computed tomography (SPECT). All subjects underwent at least three minutes of angiographically verified complete balloon occlusion, at which time an intravenous injection of the radiotracer was administered, followed by SPECT imaging. A second radiotracer injection followed by SPECT imaging was performed 24 hours after PTCA.
RESULTS
The study included 21 patients (median [interquartile range] age 70 [56-74] years, 52% male). The degree of diameter stenosis of treated vessels ranged from 60-99%, with successful PTCA performed with a mean 5-minute balloon occlusion time, resulting in ≤20% residual stenosis in all cases. The vessels undergoing PTCA were 6 in the LAD, 5 in the LCx, and 10 in the RCA. For the cohort, the size of the perfusion defect was 16 [8-30]% of the LV and the collateral perfusion at rest within the perfusion defect was 64 [58-68]% of normal perfusion within that region. Collateral perfusion was negatively correlated with perfusion defect size (R2 = 0.85, p < 0.001), but did not differ by sex (p = 0.27) or age (p = 0.58). CONCLUSIONS: This is the first study to describe the magnitude of microvascular collateral perfusion in CAD. On average, despite coronary occlusion and an absence of angiographically visible collateral vessels, collaterals provide approximately 60% of the perfusion that reaches the jeopardized myocardium during coronary occlusion. This magnitude of collateral perfusion is much higher than previously speculated. A previous study using microspheres in dogs found that collateral perfusion in the setting of an occluded vessel was 6% of normal. By comparison, the current study found ten times greater collateral perfusion in patients with CAD.
Abstract Figure. Collateral perfusion during occlusion.
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Affiliation(s)
- B Harris
- University of Sydney, Sydney, Australia
| | - S Warren
- Anne Arundel Medical Center, Cardiology, Annapolis, United States of America
| | - E Persson
- Skane University Hospital, Department of Clinical Physiology and Nuclear Medicine, Lund, Sweden
| | - R Bhindi
- University of Sydney, Department of Cardiology, Royal North Shore Hospital, Sydney, Australia
| | - M Ringborn
- Blekinge County Hospital, Thoracic Center, Karlskrona, Sweden
| | - M Ugander
- University of Sydney, Department of Cardiology, Royal North Shore Hospital, Sydney, Australia
| | - U Allahwala
- University of Sydney, Department of Cardiology, Royal North Shore Hospital, Sydney, Australia
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Cowley C, Fuller P, Andrew Y, James L, Simons L, Sertoli M, Silburn S, Widdowson A, Jet Contributors, Bykov I, Rudakov D, Morgan T, Brons S, Scholten J, Vernimmen J, Bryant P, Harris B. Robust impurity detection and tracking for tokamaks. Phys Rev E 2020; 102:043311. [PMID: 33212582 DOI: 10.1103/physreve.102.043311] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 07/13/2020] [Indexed: 11/07/2022]
Abstract
A robust impurity detection and tracking code, able to generate large sets of dust tracks from tokamak camera footage, is presented. This machine learning-based code is tested with cameras from the Joint European Torus, Doublet-III-D, and Magnum-PSI and is able to generate dust tracks with a 65-100% classification accuracy. Moreover, the number dust particles detected from a single camera shot can be up to the order of 1000. Several areas of improvement for the code are highlighted, such as generating more significant training data sets and accounting for selection biases. Although the code is tested with dust in single two-dimensional camera views, it could easily be applied to multiple-camera stereoscopic reconstruction or nondust impurities.
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Affiliation(s)
- C Cowley
- Blackett Laboratory, Imperial College, London SW7 2AZ, United Kingdom
| | - P Fuller
- Blackett Laboratory, Imperial College, London SW7 2AZ, United Kingdom
| | - Y Andrew
- Blackett Laboratory, Imperial College, London SW7 2AZ, United Kingdom
| | - L James
- Blackett Laboratory, Imperial College, London SW7 2AZ, United Kingdom
| | - L Simons
- Blackett Laboratory, Imperial College, London SW7 2AZ, United Kingdom
| | - M Sertoli
- Culham Centre for Fusion Energy, Culham Science Centre, Abingdon, Oxfordshire OX14 3DB, United Kingdom
| | - S Silburn
- Culham Centre for Fusion Energy, Culham Science Centre, Abingdon, Oxfordshire OX14 3DB, United Kingdom
| | - A Widdowson
- Culham Centre for Fusion Energy, Culham Science Centre, Abingdon, Oxfordshire OX14 3DB, United Kingdom
| | - Jet Contributors
- Culham Centre for Fusion Energy, Culham Science Centre, Abingdon, Oxfordshire OX14 3DB, United Kingdom
| | - I Bykov
- General Atomics, San Diego, California 92186, USA
| | - D Rudakov
- General Atomics, San Diego, California 92186, USA
| | - T Morgan
- DIFFER-Dutch Institute for Fundamental Energy Research, 5612 AJ Eindhoven, The Netherlands
| | - S Brons
- DIFFER-Dutch Institute for Fundamental Energy Research, 5612 AJ Eindhoven, The Netherlands
| | - J Scholten
- DIFFER-Dutch Institute for Fundamental Energy Research, 5612 AJ Eindhoven, The Netherlands
| | - J Vernimmen
- DIFFER-Dutch Institute for Fundamental Energy Research, 5612 AJ Eindhoven, The Netherlands
| | - P Bryant
- Department of Electrical Engineering and Electronics, University of Liverpool, Liverpool L69 3GJ, United Kingdom
| | - B Harris
- Department of Electrical Engineering and Electronics, University of Liverpool, Liverpool L69 3GJ, United Kingdom
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Jahan MA, Harris B, Lowery M, Infante AM, Percifield RJ, Kovinich N. Glyceollin Transcription Factor GmMYB29A2 Regulates Soybean Resistance to Phytophthora sojae. Plant Physiol 2020; 183:530-546. [PMID: 32209590 PMCID: PMC7271783 DOI: 10.1104/pp.19.01293] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 03/14/2020] [Indexed: 05/04/2023]
Abstract
Glyceollin isomers I, II, and III are the major pathogen-elicited secondary metabolites (i.e. phytoalexins) of soybean (Glycine max) that, collectively with other 5-deoxyisoflavonoids, provide race-specific resistance to Phytophthora sojae. The NAC-family transcription factor (TF) GmNAC42-1 is an essential regulator of some but not all glyceollin biosynthesis genes, indicating other essential TF(s) of the glyceollin gene regulatory network remain to be identified. Here, we conducted comparative transcriptomics on soybean hairy roots of the variety Williams 82 and imbibing seeds of Harosoy 63 upon treatment with wall glucan elicitor from P. sojae and identified two homologous R2R3-type MYB TF genes, GmMYB29A1 and GmMYB29A2, up-regulated during the times of peak glyceollin biosynthesis. Overexpression and RNA interference silencing of GmMYB29A2 increased and decreased expression of GmNAC42-1, GmMYB29A1, and glyceollin biosynthesis genes and metabolites, respectively, in response to wall glucan elicitor. By contrast, overexpressing or silencing GmMYB29A1 decreased glyceollin I accumulation with marginal or no effects on the expressions of glyceollin synthesis genes, suggesting a preferential role in promoting glyceollin turnover and/or competing biosynthetic pathways. GmMYB29A2 interacted with the promoters of two glyceollin I biosynthesis genes in vitro and in vivo. Silencing GmMYB29A2 in Williams 82, a soybean variety that encodes the resistance gene Rps1k, rendered it compatible with race 1 P. sojae, whereas overexpressing GmMYB29A2 rendered the susceptible Williams variety incompatible. Compatibility and incompatibility coincided with reduced and enhanced accumulations of glyceollin I but not other 5-deoxyisoflavonoids. Thus, GmMYB29A2 is essential for accumulation of glyceollin I and expression of Phytophthora resistance.
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Affiliation(s)
- Md Asraful Jahan
- Division of Plant and Soil Sciences, West Virginia University, Morgantown, West Virginia 26506
| | - Brianna Harris
- Department of Biology, West Virginia University, Morgantown, West Virginia 26506
| | - Matthew Lowery
- Department of Biochemistry, West Virginia University, Morgantown, West Virginia 26506
| | - Aniello M Infante
- Department of Biostatistics, West Virginia University, Morgantown, West Virginia 26506
| | - Ryan J Percifield
- Department of Biology, West Virginia University, Morgantown, West Virginia 26506
| | - Nik Kovinich
- Division of Plant and Soil Sciences, West Virginia University, Morgantown, West Virginia 26506
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Nguyen K, Harris B, Bewley A, Rao S. Elective Nodal Irradiation for Locally Advanced Cutaneous Squamous Cell Carcinoma of the Head and Neck. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2019.11.104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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11
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Fung X, Asplin C, Grecu I, Harris B, Yates A, Swain D. An audit of correct line tip position used for total parenteral nutrition on the intensive care unit. Clin Nutr ESPEN 2020. [DOI: 10.1016/j.clnesp.2019.12.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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12
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Nguyen K, Harris B, Bewley A, Rao S. Elective Nodal Irradiation for Locally Advanced Cutaneous Squamous Cell Carcinoma of the Head and Neck. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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13
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Dor C, Gajanayake I, Kortum A, Day MJ, Tappin S, Harris B, Battersby I, Walker D, Glanemann B, Myatt P, Dunning M, Bexfield N. Characterisation and outcome of idiopathic pyogranulomatous lymphadenitis in 64 English springer spaniel dogs. J Small Anim Pract 2019; 60:551-558. [PMID: 31317549 DOI: 10.1111/jsap.13052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 05/01/2019] [Accepted: 06/14/2019] [Indexed: 11/26/2022]
Abstract
OBJECTIVES To describe the history, clinicopathological abnormalities, diagnostic imaging findings, lymph node cytological/histological appearance, treatment and outcome of English springer spaniels diagnosed with idiopathic pyogranulomatous lymphadenitis. MATERIALS AND METHODS In this retrospective UK-based multicentre study, 64 dogs were recruited from 10 referral centres, 32 first-opinion practices and three histopathology/cytology laboratories, between 2010 and 2016. RESULTS The median age at presentation was 6 years (range: 0.17 to 11.75). Neutered females were frequently affected. Pyrexia (83.8%), peripheral lymphadenomegaly (78.4%), dermatological lesions (72.9%), lethargy (67.6%), hyporexia (54%), diarrhoea (29.7%), coughing (24.3%), epistaxis, sneezing or nasal discharge (21.6%), ocular signs (21.6%) and vomiting (16.2%) were reported in dogs for which the history and physical examination records were available. Popliteal (45.3%), superficial cervical (35.9%) and submandibular (37.5%) lymphadenomegaly were frequently reported. Haematology and serum biochemistry revealed non-specific changes. When undertaken, testing for infectious diseases was negative in all cases. Lymph node cytology, histopathology or both demonstrated mixed inflammatory (27%), pyogranulomatous (24%), neutrophilic (20%) or granulomatous (11%) lymphadenitis. Treatment details were available for 38 dogs, with 34 receiving prednisolone for a median duration of 15 weeks (range: 1 to 28 weeks). A good to excellent clinical response was reported in all but one case. Ten dogs relapsed after discontinuing prednisolone. CLINICAL SIGNIFICANCE Idiopathic pyogranulomatous lymphadenitis should be considered as a differential diagnosis for lymphadenopathy and pyrexia in English springer spaniels. The characteristics of the disease, absence of identifiable infectious aetiology and response to glucocorticoid therapy suggest an immune-mediated aetiology.
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Affiliation(s)
- C Dor
- Department of Veterinary Medicine and Science, University of Nottingham, Nottingham, NG7 2RD, UK
| | - I Gajanayake
- Willows Veterinary Centre and Referral Service, Solihull, West Midlands, B90 4NH, UK
| | - A Kortum
- Department of Veterinary Medicine, University of Cambridge, Cambridge, CB3 0ES, UK
| | - M J Day
- School of Veterinary and Life Sciences, Murdoch University, Murdoch, Western Australia, 6150, Australia
| | - S Tappin
- Dick White Referrals, Six Mile Bottom, Cambridge, CB8 0UH, UK
| | - B Harris
- Northwest Veterinary Specialists, Sutton Weaver, Cheshire, WA7 3FW, UK
| | - I Battersby
- Davies Veterinary Specialists, Hitchin, Hertfordshire, SG5 3HR, UK
| | - D Walker
- Anderson Moores Veterinary Specialists, Hursley, Winchester, SO21 2LL, UK
| | - B Glanemann
- Royal Veterinary College, University of London, London, NW1 0TU, UK
| | - P Myatt
- Department of Veterinary Medicine and Science, University of Nottingham, Nottingham, NG7 2RD, UK
| | - M Dunning
- Department of Veterinary Medicine and Science, University of Nottingham, Nottingham, NG7 2RD, UK.,Willows Veterinary Centre and Referral Service, Solihull, West Midlands, B90 4NH, UK
| | - N Bexfield
- Department of Veterinary Medicine, University of Cambridge, Cambridge, CB3 0ES, UK
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Sullivan I, Nguyen S, Harris B, Rivera V, Panzer K, Moon J, Chen S, Lu X, Patel N, Cohen G, Yu D, Panaro J. 03:18 PM Abstract No. 375 Post-lung biopsy pneumothorax: a single-center experience. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Jahan MA, Harris B, Lowery M, Coburn K, Infante AM, Percifield RJ, Ammer AG, Kovinich N. The NAC family transcription factor GmNAC42-1 regulates biosynthesis of the anticancer and neuroprotective glyceollins in soybean. BMC Genomics 2019; 20:149. [PMID: 30786857 PMCID: PMC6381636 DOI: 10.1186/s12864-019-5524-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 02/11/2019] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Glyceollins are isoflavonoid-derived pathogen-inducible defense metabolites (phytoalexins) from soybean (Glycine max L. Merr) that have important roles in providing defense against pathogens. They also have impressive anticancer and neuroprotective activities in mammals. Despite their potential usefulness as therapeutics, glyceollins are not economical to synthesize and are biosynthesized only transiently and in low amounts in response to specific stresses. Engineering the regulation of glyceollin biosynthesis may be a promising approach to enhance their bioproduction, yet the transcription factors (TFs) that regulate their biosynthesis have remained elusive. To address this, we first aimed to identify novel abiotic stresses that enhance or suppress the elicitation of glyceollins and then used a comparative transcriptomics approach to search for TF gene candidates that may positively regulate glyceollin biosynthesis. RESULTS Acidity stress (pH 3.0 medium) and dehydration exerted prolonged (week-long) inductive or suppressive effects on glyceollin biosynthesis, respectively. RNA-seq found that all known biosynthetic genes were oppositely regulated by acidity stress and dehydration, but known isoflavonoid TFs were not. Systemic acquired resistance (SAR) genes were highly enriched in the geneset. We chose to functionally characterize the NAC (NAM/ATAF1/2/CUC2)-family TF GmNAC42-1 that was annotated as an SAR gene and a homolog of the Arabidopsis thaliana (Arabidopsis) indole alkaloid phytoalexin regulator ANAC042. Overexpressing and silencing GmNAC42-1 in elicited soybean hairy roots dramatically enhanced and suppressed the amounts of glyceollin metabolites and biosynthesis gene mRNAs, respectively. Yet, overexpressing GmNAC42-1 in non-elicited hairy roots failed to stimulate the expressions of all biosynthesis genes. Thus, GmNAC42-1 was necessary but not sufficient to activate all biosynthesis genes on its own, suggesting an important role in the glyceollin gene regulatory network (GRN). The GmNAC42-1 protein directly bound the promoters of biosynthesis genes IFS2 and G4DT in the yeast one-hybrid (Y1H) system. CONCLUSIONS Acidity stress is a novel elicitor and dehydration is a suppressor of glyceollin biosynthesis. The TF gene GmNAC42-1 is an essential positive regulator of glyceollin biosynthesis. Overexpressing GmNAC42-1 in hairy roots can be used to increase glyceollin yields > 10-fold upon elicitation. Thus, manipulating the expressions of glyceollin TFs is an effective strategy for enhancing the bioproduction of glyceollins in soybean.
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Affiliation(s)
- Md Asraful Jahan
- Division of Plant and Soil Sciences, West Virginia University, Morgantown, West Virginia 26506 USA
| | - Brianna Harris
- Department of Biology, West Virginia University, Morgantown, West Virginia 26506 USA
| | - Matthew Lowery
- Department of Biochemistry, West Virginia University, Morgantown, West Virginia 26506 USA
| | - Katie Coburn
- Department of Biology, West Virginia University, Morgantown, West Virginia 26506 USA
| | - Aniello M. Infante
- Department of Biostatistics, West Virginia University, Morgantown, West Virginia 26506 USA
| | - Ryan J. Percifield
- Department of Biology, West Virginia University, Morgantown, West Virginia 26506 USA
| | - Amanda G. Ammer
- Microscope Imaging Facility, West Virginia University, Morgantown, West Virginia 26506 USA
| | - Nik Kovinich
- Division of Plant and Soil Sciences, West Virginia University, Morgantown, West Virginia 26506 USA
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Booth J, Caillet V, Briggs A, Hardcastle N, Jayamanne D, Szymura K, O'Brien R, Harris B, Eade T, Keall P. First-in-Human Clinical Experience with Real-Time Tumor Targeting Via MLC Tracking for Stereotactic Radiation Therapy of Lung Cancer. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.06.360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Nguyen K, Harris B, Bewley A, Rao S. Outcome Following Radiation Therapy for Locally Advanced Cutaneous Head and Neck Squamous Cell Carcinoma and Analysis of Factors Associated with Recurrence. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.1032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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B, Burroughs C, Cuthbertson D, Deemer M, Eberhard C, Fiske S, Ford J, Garmeson J, Guillette H, Browning G, Coughenour T, Sulk M, Tsalikan E, Tansey M, Cabbage J, Dixit N, Pasha S, King M, Adcock K, Geyer S, Atterberry H, Fox L, Englert K, Mauras N, Permuy J, Sikes K, Berhe T, Guendling B, McLennan L, Paganessi L, Hays B, Murphy C, Draznin M, Kamboj M, Sheppard S, Lewis V, Coates L, Moore W, Babar G, Bedard J, Brenson-Hughes D, Henderson C, Cernich J, Clements M, Duprau R, Goodman S, Hester L, Huerta-Saenz L, Karmazin A, Letjen T, Raman S, Morin D, Henry M, Bestermann W, Morawski E, White J, Brockmyer A, Bays R, Campbell S, Stapleton A, Stone N, Donoho A, Everett H, Heyman K, Hensley H, Johnson M, Marshall C, Skirvin N, Taylor P, Williams R, Ray L, Wolverton C, Nickels D, Dothard C, Hsiao B, Speiser P, Pellizzari M, Bokor L, Izuora K, Abdelnour S, Cummings P, Paynor S, Leahy M, Riedl M, Shockley S, Karges C, Saad R, Briones T, Casella S, Herz C, Walsh K, Greening J, Hay F, Hunt S, 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McCuller R, Miller A, Accacha S, Corrigan J, Fiore E, Levine R, Mahoney T, Polychronakos C, Martin J, Gagne V, Starkman H, Fox M, Chin D, Melchionne F, Silverman L, Marshall I, Cerracchio L, Cruz J, Viswanathan A, Miller J, Wilson J, Chalew S, Valley S, Layburn S, Lala A, Clesi P, Genet M, Uwaifo G, Charron A, Allerton T, Milliot E, Cefalu W, Melendez-Ramirez L, Richards R, Alleyn C, Gustafson E, Lizanna M, Wahlen J, Aleiwe S, Hansen M, Wahlen H, Moore M, Levy C, Bonaccorso A, Rapaport R, Tomer Y, Chia D, Goldis M, Iazzetti L, Klein M, Levister C, Waldman L, Muller S, Wallach E, Regelmann M, Antal Z, Aranda M, Reynholds C, Leech N, Wake D, Owens C, Burns M, Wotherspoon J, Nguyen T, Murray A, Short K, Curry G, Kelsey S, Lawson J, Porter J, Stevens S, Thomson E, Winship S, Wynn L, O’Donnell R, Wiltshire E, Krebs J, Cresswell P, Faherty H, Ross C, Vinik A, Barlow P, Bourcier M, Nevoret M, Couper J, Oduah V, Beresford S, Thalagne N, Roper H, Gibbons J, Hill J, Balleaut S, Brennan C, 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McCormick D, Powell A, Jones H, Bell J, Hargadon S, Hudson S, Kummer M, Badias F, Sauder S, Sutton E, Gensel K, Aguirre-Castaneda R, Benavides Lopez V, Hemp D, Allen S, Stear J, Davis E, Jones T, Baker A, Roberts A, Dart J, Paramalingam N, Levitt Katz L, Chaudhary N, Murphy K, Willi S, Schwartzman B, Kapadia C, Larson D, Bassi M, McClellan D, Shaibai G, Kelley L, Villa G, Kelley C, Diamond R, Kabbani M, Dajani T, Hoekstra F, Magorno M, Beam C, Holst J, Chauhan V, Wilson N, Bononi P, Sperl M, Millward A, Eaton M, Dean L, Olshan J, Renna H, Boulware D, Milliard C, Snyder D, Beaman S, Burch K, Chester J, Ahmann A, Wollam B, DeFrang D, Fitch R, Jahnke K, Bounmananh L, Hanavan K, Klopfenstein B, Nicol L, Bergstrom R, Noland T, Brodksy J, Bacon L, Quintos J, Topor L, Bialo S, Bream S, Bancroft B, Soto A, Lagarde W, Lockemer H, Vanderploeg T, Ibrahim M, Huie M, Sanchez V, Edelen R, Marchiando R, Freeman D, Palmer J, Repas T, Wasson M, Auker P, Culbertson J, Kieffer T, Voorhees D, Borgwardt T, DeRaad L, Eckert K, Gough J, Isaacson E, Kuhn H, Carroll A, Schubert M, Francis G, Hagan S, Le T, Penn M, Wickham E, Leyva C, Ginem J, Rivera K, Padilla J, Rodriguez I, Jospe N, Czyzyk J, Johnson B, Nadgir U, Marlen N, Prakasam G, Rieger C, Granger M, Glaser N, Heiser E, Harris B, Foster C, Slater H, Wheeler K, Donaldson D, Murray M, Hale D, Tragus R, Holloway M, Word D, Lynch J, Pankratz L, Rogers W, Newfield R, Holland S, Hashiguchi M, Gottschalk M, Philis-Tsimikas A, Rosal R, Kieffer M, Franklin S, Guardado S, Bohannon N, Garcia M, Aguinaldo T, Phan J, Barraza V, Cohen D, Pinsker J, Khan U, Lane P, Wiley J, Jovanovic L, Misra P, Wright M, Cohen D, Huang K, Skiles M, Maxcy S, Pihoker C, Cochrane K, Nallamshetty L, Fosse J, Kearns S, Klingsheim M, Wright N, Viles L, Smith H, Heller S, Cunningham M, Daniels A, Zeiden L, Parrimon Y, Field J, Walker R, Griffin K, Bartholow L, Erickson C, Howard J, Krabbenhoft B, Sandman C, Vanveldhuizen A, Wurlger J, Paulus K, Zimmerman A, Hanisch K, Davis-Keppen L, Cotterill A, Kirby J, Harris M, Schmidt A, Kishiyama C, Flores C, Milton J, Ramiro J, Martin W, Whysham C, Yerka A, Freels T, Hassing J, Webster J, Green R, Carter P, Galloway J, Hoelzer D, Ritzie AQL, Roberts S, Said S, Sullivan P, Allen H, Reiter E, Feinberg E, Johnson C, Newhook L, Hagerty D, White N, Sharma A, Levandoski L, Kyllo J, Johnson M, Benoit C, Iyer P, Diamond F, Hosono H, Jackman S, Barette L, Jones P, Shor A, Sills I, Bzdick S, Bulger J, Weinstock R, Douek I, Andrews R, Modgill G, Gyorffy G, Robin L, Vaidya N, Song X, Crouch S, O’Brien K, Thompson C, Thorne N, Blumer J, Kalic J, Klepek L, Paulett J, Rosolowski B, Horner J, Terry A, Watkins M, Casey J, Carpenter K, Burns C, Horton J, Pritchard C, Soetaert D, Wynne A, Kaiserman K, Halvorson M, Weinberger J, Chin C, Molina O, Patel C, Senguttuvan R, Wheeler M, Furet O, Steuhm C, Jelley D, Goudeau S, Chalmers L, Wootten M, Greer D, Panagiotopoulos C, Metzger D, Nguyen D, Horowitz M, Christiansen M, Glades E, Morimoto C, Macarewich M, Norman R, Harding P, Patin K, Vargas C, Barbanica A, Yu A, Vaidyanathan P, Osborne W, Mehra R, Kaster S, Neace S, Horner J, McDonough S, Reeves G, Cordrey C, Marrs L, Miller T, Dowshen S, Doyle D, Walker S, Catte D, Dean H, Drury-Brown M, McGee PF, Hackman B, Lee M, Malkani S, Cullen K, Johnson K, Hampton P, McCarrell M, Curtis C, Paul E, Zambrano Y, Hess KO, Phoebus D, Quinlan S, Raiden E, Batts E, Buddy C, Kirpatrick K, Ramey M, Shultz A, Webb C, Romesco M, Fradkin J, Blumberg E, Beck G, Brillon D, Gubitosi-Klug R, Laffel L, Veatch R, Wallace D, Braun J, Lernmark A, Lo B, Mitchell H, Naji A, Nerup J, Orchard T, Steffes M, Tsiatis A, Zinman B, Loechelt B, Baden L, Green M, Weinberg A, Marcovina S, Palmer JP, Weinberg A, Yu L, Babu S, Winter W, Eisenbarth GS, Bingley P, Clynes R, DiMeglio L, Eisenbarth G, Hays B, Marks J, Matheson D, Rodriguez H, Wilson D, Redondo MJ, Gomez D, Zheng X, Pena S, Pietropaolo M, Batts E, Brown T, Buckner J, Dove A, Hammond M, 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Espinoza O, Frank E, Liu J, Perry J, Pyle R, Rigby A, Riley K, Soto A, Gitelman S, Adi S, Anderson M, Berhel A, Breen K, Fraser K, Gerard-Gonzalez A, Jossan P, Lustig R, Moassesfar S, Mugg A, Ng D, Prahalod P, Rangel-Lugo M, Sanda S, Tarkoff J, Torok C, Wesch R, Aslan I, Buchanan J, Cordier J, Hamilton C, Hawkins L, Ho T, Jain A, Ko K, Lee T, Phelps S, Rosenthal S, Sahakitrungruang T, Stehl L, Taylor L, Wertz M, Wong J, Philipson L, Briars R, Devine N, Littlejohn E, Grant T, Gottlieb P, Klingensmith G, Steck A, Alkanani A, Bautista K, Bedoy R, Blau A, Burke B, Cory L, Dang M, Fitzgerald-Miller L, Fouts A, Gage V, Garg S, Gesauldo P, Gutin R, Hayes C, Hoffman M, Ketchum K, Logsden-Sackett N, Maahs D, Messer L, Meyers L, Michels A, Peacock S, Rewers M, Rodriguez P, Sepulbeda F, Sippl R, Steck A, Taki I, Tran BK, Tran T, Wadwa RP, Zeitler P, Barker J, Barry S, Birks L, Bomsburger L, Bookert T, Briggs L, Burdick P, Cabrera R, Chase P, Cobry E, Conley A, Cook G, Daniels J, DiDomenico D, 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Gardner J, LeBoeuf C, Bell P, McGlore O, Tennet H, Alba N, Carroll M, Baert L, Beaton H, Cordell E, Haynes A, Reed C, Lichter K, McCarthy P, McCarthy S, Monchamp T, Roach J, Manies S, Gunville F, Marosok L, Nelson T, Ackerman K, Rudolph J, Stewart M, McCormick K, May S, Falls T, Barrett T, Dale K, Makusha L, McTernana C, Penny-Thomas K, Sullivan K, Narendran P, Robbie J, Smith D, Christensen R, Koehler B, Royal C, Arthur T, Houser H, Renaldi J, Watsen S, Wu P, Lyons L, House B, Yu J, Holt H, Nation M, Vickers C, Watling R, Heptulla R, Trast J, Agarwal C, Newell D, Katikaneni R, Gardner C, Del Rio A, Logan A, Collier H, Rishton C, Whalley G, Ali A, Ramtoola S, Quattrin T, Mastrandea L, House A, Ecker M, Huang C, Gougeon C, Ho J, Pacuad D, Dunger D, May J, O’Brien C, Acerini C, Salgin B, Thankamony A, Williams R, Buse J, Fuller G, Duclos M, Tricome J, Brown H, Pittard D, Bowlby D, Blue A, Headley T, Bendre S, Lewis K, Sutphin K, Soloranzo C, Puskaric J, Madison H, Rincon M, Carlucci M, Shridharani R, Rusk B, Tessman E, Huffman D, Abrams H, Biederman B, Jones M, Leathers V, Brickman W, Petrie P, Zimmerman D, Howard J, Miller L, Alemzadeh R, Mihailescu D, Melgozza-Walker R, Abdulla N, Boucher-Berry C, Ize-Ludlow D, Levy R, Swenson Brousell C, Scott R, Heenan H, Lunt H, Kendall D, Willis J, Darlow B, Crimmins N, Edler D, Weis T, Schultz C, Rogers D, Latham D, Mawhorter C, Switzer C, Spencer W, Konstantnopoulus P, Broder S, Klein J, Bachrach B, Gardner M, Eichelberger D, Knight L, Szadek L, Welnick G, Thompson B, Hoffman R, Revell A, Cherko J, Carter K, Gilson E, Haines J, Arthur G, Bowen B, Zipf W, Graves P, Lozano R, Seiple D, Spicer K, Chang A, Fregosi J, Harbinson J, Paulson C, Stalters S, Wright P, Zlock D, Freeth A, Victory J, Maheshwari H, Maheshwari A, Holmstrom T, Bueno J, Arguello R, Ahern J, Noreika L, Watson V, Hourse S, Breyer P, Kissel C, Nicholson Y, Pfeifer M, Almazan S, Bajaj J, Quinn M, Funk K, McCance J, Moreno E, Veintimilla R, Wells A, Cook J, Trunnel S, Transue D, Surhigh J, Bezzaire D, Moltz K, Zacharski E, Henske J, Desai S, Frizelis K, Khan F, Sjoberg R, Allen K, Manning P, Hendry G, Taylor B, Jones S, Couch R, Danchak R, Lieberman D, Strader W, Bencomo M, Bailey T, Bedolla L, Roldan C, Moudiotis C, Vaidya B, Anning C, Bunce S, Estcourt S, Folland E, Gordon E, Harrill C, Ireland J, Piper J, Scaife L, Sutton K, Wilkins S, Costelloe M, Palmer J, Casas L, Miller C, Burgard M, Erickson C, Hallanger-Johnson J, Clark P, Taylor W, Galgani J, Banerjee S, Banda C, McEowen D, Kinman R, Lafferty A, Gillett S, Nolan C, Pathak M, Sondrol L, Hjelle T, Hafner S, Kotrba J, Hendrickson R, Cemeroglu A, Symington T, Daniel M, Appiagyei-Dankah Y, Postellon D, Racine M, Kleis L, Barnes K, Godwin S, McCullough H, Shaheen K, Buck G, Noel L, Warren M, Weber S, Parker S, Gillespie I, Nelson B, Frost C, Amrhein J, Moreland E, Hayes A, Peggram J, Aisenberg J, Riordan M, Zasa J, Cummings E, Scott K, Pinto T, Mokashi A, McAssey K, Helden E, Hammond P, Dinning L, Rahman S, Ray S, Dimicri C, Guppy S, Nielsen H, Vogel C, Ariza C, Morales L, Chang Y, Gabbay R, Ambrocio L, Manley L, Nemery R, Charlton W, Smith P, Kerr L, Steindel-Kopp B, Alamaguer M, Tabisola-Nuesca E, Pendersen A, Larson N, Cooper-Olviver H, Chan D, Fitz-Patrick D, Carreira T, Park Y, Ruhaak R, Liljenquist D. A Type 1 Diabetes Genetic Risk Score Predicts Progression of Islet Autoimmunity and Development of Type 1 Diabetes in Individuals at Risk. Diabetes Care 2018; 41:1887-1894. [PMID: 30002199 PMCID: PMC6105323 DOI: 10.2337/dc18-0087] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 06/06/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE We tested the ability of a type 1 diabetes (T1D) genetic risk score (GRS) to predict progression of islet autoimmunity and T1D in at-risk individuals. RESEARCH DESIGN AND METHODS We studied the 1,244 TrialNet Pathway to Prevention study participants (T1D patients' relatives without diabetes and with one or more positive autoantibodies) who were genotyped with Illumina ImmunoChip (median [range] age at initial autoantibody determination 11.1 years [1.2-51.8], 48% male, 80.5% non-Hispanic white, median follow-up 5.4 years). Of 291 participants with a single positive autoantibody at screening, 157 converted to multiple autoantibody positivity and 55 developed diabetes. Of 953 participants with multiple positive autoantibodies at screening, 419 developed diabetes. We calculated the T1D GRS from 30 T1D-associated single nucleotide polymorphisms. We used multivariable Cox regression models, time-dependent receiver operating characteristic curves, and area under the curve (AUC) measures to evaluate prognostic utility of T1D GRS, age, sex, Diabetes Prevention Trial-Type 1 (DPT-1) Risk Score, positive autoantibody number or type, HLA DR3/DR4-DQ8 status, and race/ethnicity. We used recursive partitioning analyses to identify cut points in continuous variables. RESULTS Higher T1D GRS significantly increased the rate of progression to T1D adjusting for DPT-1 Risk Score, age, number of positive autoantibodies, sex, and ethnicity (hazard ratio [HR] 1.29 for a 0.05 increase, 95% CI 1.06-1.6; P = 0.011). Progression to T1D was best predicted by a combined model with GRS, number of positive autoantibodies, DPT-1 Risk Score, and age (7-year time-integrated AUC = 0.79, 5-year AUC = 0.73). Higher GRS was significantly associated with increased progression rate from single to multiple positive autoantibodies after adjusting for age, autoantibody type, ethnicity, and sex (HR 2.27 for GRS >0.295, 95% CI 1.47-3.51; P = 0.0002). CONCLUSIONS The T1D GRS independently predicts progression to T1D and improves prediction along T1D stages in autoantibody-positive relatives.
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Affiliation(s)
- Maria J. Redondo
- Texas Children’s Hospital, Baylor College of Medicine, Houston, TX
| | | | - Andrea K. Steck
- Barbara Davis Center for Childhood Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Seth Sharp
- Institute of Biomedical and Clinical Science, University of Exeter, Exeter, U.K
| | - John M. Wentworth
- Walter and Eliza Hall Institute of Medical Research and Royal Melbourne Hospital, Parkville, Victoria, Australia
| | - Michael N. Weedon
- Institute of Biomedical and Clinical Science, University of Exeter, Exeter, U.K
| | | | | | | | | | - Richard A. Oram
- Institute of Biomedical and Clinical Science, University of Exeter, Exeter, U.K
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Harris B, Hopkins M, Swamy G, Hughes B, Heine R, Villers M. Efficacy of non-beta lactam antibiotics for prevention of cesarean delivery wound infections. Am J Obstet Gynecol 2017. [DOI: 10.1016/j.ajog.2017.08.094] [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: 11/16/2022]
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Strickland BA, Lucas J, Harris B, Kulubya E, Bakhsheshian J, Liu C, Wrobel B, Carmichael JD, Weiss M, Zada G. Identification and repair of intraoperative cerebrospinal fluid leaks in endonasal transsphenoidal pituitary surgery: surgical experience in a series of 1002 patients. J Neurosurg 2017; 129:425-429. [PMID: 28960156 DOI: 10.3171/2017.4.jns162451] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [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: 12/11/2022]
Abstract
OBJECTIVE Cerebrospinal fluid (CSF) rhinorrhea is among the most common complications following transsphenoidal surgery for sellar region lesions. The aim of this study was to review the authors' institutional experience in identifying, repairing, and treating CSF leaks associated with direct endonasal transsphenoidal operations. METHODS The authors performed a retrospective review of cases involving surgical treatment of pituitary adenomas and other sellar lesions at the University of Southern California between December 1995 and March 2016. Inclusion criteria included all pathology of the sellar region approached via a direct microscopic or endoscopic endonasal transsphenoidal approach. Demographics, pathology, intraoperative and postoperative CSF leak rates, and other complications were recorded and analyzed. A literature review of the incidence of CSF leaks associated with the direct endonasal transsphenoidal approach to pituitary lesions was conducted. RESULTS A total of 1002 patients met the inclusion criteria and their cases were subsequently analyzed. Preoperative diagnoses included pituitary adenomas in 855 cases (85.4%), Rathke's cleft cyst in 94 (9.4%), and other sellar lesions in 53 (5.2%). Lesions with a diameter ≥ 1 cm made up 49% of the series. Intraoperative repair of an identified CSF leak was performed in 375 cases (37.4%) using autologous fat, fascia, or both. An additional 92 patients (9.2%) underwent empirical sellar reconstruction without evidence of an intraoperative CSF leak. Postoperative CSF leaks developed in 26 patients (2.6%), including 13 (1.3% of the overall group) in whom no intraoperative leak was identified. Among the 26 patients who developed a postoperative CSF leak, 13 were noted to have intraoperative leak and underwent sellar repair while the remaining 13 did not have an intraoperative leak or sellar repair. No patients who underwent empirical sellar repair without an intraoperative leak developed a postoperative leak. Eight patients underwent additional surgery (0.8% reoperation rate) for CSF leak repair, and 18 were successfully treated with lumbar drainage or lumbar puncture alone. The incidence of postoperative CSF rhinorrhea in this series was compared with that in 11 other reported series that met inclusion criteria, with incidence rates ranging between 0.6% and 12.1%. CONCLUSIONS In this large series, half of the patients who developed postoperative CSF rhinorrhea had no evidence of intraoperative CSF leakage. Unidentified intraoperative CSF leaks and/or delayed development of CSF fistulas are equally important sources of postoperative CSF rhinorrhea as the lack of employing effective CSF leak repair methods. Empirical sellar reconstruction in the absence of an intraoperative CSF leak may be of benefit following resection of large tumors, especially if the arachnoid is thinned out and herniates into the sella.
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Affiliation(s)
| | | | | | | | | | | | | | - John D Carmichael
- 3Endocrinology, Keck School of Medicine, University of Southern California, Los Angeles, California
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Phillips L, Jahnke I, Skubic M, Abbott C, Harris B, Demir F. USABILITY TESTING OF A KINECT-BASED SENSOR SYSTEM TO AUTOMATE THE TIMED UP-AND-GO TEST. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.2086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
| | - I. Jahnke
- Nursing, University of Missouri, Columbia, Missouri
| | - M. Skubic
- Nursing, University of Missouri, Columbia, Missouri
| | - C. Abbott
- Nursing, University of Missouri, Columbia, Missouri
| | - B. Harris
- Nursing, University of Missouri, Columbia, Missouri
| | - F. Demir
- Nursing, University of Missouri, Columbia, Missouri
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Rodgers MA, Vallari AS, Harris B, Yamaguchi J, Holzmayer V, Forberg K, Berg MG, Kenmenge J, Ngansop C, Awazi B, Mbanya D, Kaptue L, Brennan C, Cloherty G, Ndembi N. Identification of rare HIV-1 Group N, HBV AE, and HTLV-3 strains in rural South Cameroon. Virology 2017; 504:141-151. [PMID: 28193549 DOI: 10.1016/j.virol.2017.01.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [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: 10/21/2016] [Revised: 01/11/2017] [Accepted: 01/12/2017] [Indexed: 02/07/2023]
Abstract
Surveillance of emerging viral variants is critical to ensuring that blood screening and diagnostic tests detect all infections regardless of strain or geographic location. In this study, we conducted serological and molecular surveillance to monitor the prevalence and diversity of HIV, HBV, and HTLV in South Cameroon. The prevalence of HIV was 8.53%, HBV was 10.45%, and HTLV was 1.04% amongst study participants. Molecular characterization of 555 HIV-1 specimens identified incredible diversity, including 7 subtypes, 12 CRFs, 6 unclassified, 24 Group O and 2 Group N infections. Amongst 401 HBV sequences were found a rare HBV AE recombinant and two emerging sub-genotype A strains. In addition to HTLV-1 and HTLV-2 strains, sequencing confirmed the fifth known HTLV-3 infection to date. Continued HIV/HBV/HTLV surveillance and vigilance for newly emerging strains in South Cameroon will be essential to ensure diagnostic tests and research stay a step ahead of these rapidly evolving viruses.
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Affiliation(s)
| | | | - B Harris
- Abbott Laboratories, Abbott Park, IL, USA
| | | | | | - K Forberg
- Abbott Laboratories, Abbott Park, IL, USA
| | - M G Berg
- Abbott Laboratories, Abbott Park, IL, USA
| | - J Kenmenge
- Université de Yaoundé I, Yaoundé, Cameroon
| | - C Ngansop
- Université de Yaoundé I, Yaoundé, Cameroon
| | - B Awazi
- Université de Yaoundé I, Yaoundé, Cameroon
| | - D Mbanya
- Université de Yaoundé I, Yaoundé, Cameroon
| | - L Kaptue
- Université des Montagnes, Montagnes, Bangangté, Cameroon
| | - C Brennan
- Abbott Laboratories, Abbott Park, IL, USA
| | - G Cloherty
- Abbott Laboratories, Abbott Park, IL, USA
| | - N Ndembi
- Institute of Human Virology Nigeria, Abuja, Nigeria
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Metz M, Durski M, Chou J, Crim G, Harris B, Lin WS. Microleakage of Lithium Disilicate Crown Margins Finished on Direct Restorative Materials. Oper Dent 2016; 41:552-562. [PMID: 27689837 DOI: 10.2341/15-225-l] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE For some esthetic clinical situations, it is necessary to finish crown margins on direct restorative materials to preserve tissue integrity, bonding integrity, and biological width. The purpose of this research was to investigate microleakage at the interface between bonded lithium disilicate crowns and various direct restorative materials in a class III and class V position. METHODS AND MATERIALS Class III or class V restorations were prepared on one side of extracted incisors with either Tetric EvoCeram, Tetric Evoceram Bulk, Fuji II LC, or Tetric Evoflow. The teeth were prepared for and received a lithium disilicate crown. After load fatiguing, the specimens were thermo-cycled with a fuchsin dye and sectioned. The depth and area of dye penetration were measured with a dimensional grid in micrometers using stereomicroscopy and reported as mean dye depth and area (μm) ± SD. The comparison of multiple categorical independent variables with ratio scale dependent variables was evaluated with an analysis of variance and Tukey's post hoc analysis. RESULTS A statistically significant higher dye penetration was noted for all treatment groups compared with the positive control (side opposite the restoration after sagittal sectioning was used as positive control) regardless of material or placement area (p<0.05). In comparing treatment groups, the Tetric EvoFlow experienced a statistically higher dye penetration than did the other treatment groups regardless of material or placement area (p<0.05). There was no statistically significant difference between the Tetric EvoCeram, Tetric Evoceram Bulk, and Fuji II LC materials regardless of placement area (p>0.05). CONCLUSIONS Within the limitations of this study, it can be concluded that flowable composite materials as finish lines that interact with resin cements could lead to exacerbated interfacial degradation. Finishing lithium disilicate all-ceramic crowns on flowable resin composite materials in the esthetic zone should be used with caution. If necessary, finishing lithium disilicate all-ceramic crowns on nanofilled resin composite or resin-modified glass ionomer materials seems to provide the least dye penetration depth and area.
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Booth J, Caillet V, Hardcastle N, Haddad C, Harris B, Szymura K, Crasta C, O'Brien R, Eade T, Keall P. First Clinical Implementation of Electromagnetic Transponder-Guided MLC Tracking for Lung Stereotactic Ablative Radiation Therapy. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Tamborini A, Jahns H, McAllister H, Kent A, Harris B, Procoli F, Allenspach K, Hall EJ, Day MJ, Watson PJ, O'Neill EJ. Bacterial Cholangitis, Cholecystitis, or both in Dogs. J Vet Intern Med 2016; 30:1046-55. [PMID: 27203848 PMCID: PMC5084764 DOI: 10.1111/jvim.13974] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [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: 12/02/2015] [Revised: 02/12/2016] [Accepted: 04/27/2016] [Indexed: 12/18/2022] Open
Abstract
Background Bacterial cholangitis and cholecystitis are rarely reported, poorly characterized diseases in the dog. Objectives To characterize the clinical features of these conditions. Animals Twenty‐seven client‐owned dogs with bacterial cholangitis, cholecystitis, or both. Methods Multicenter, retrospective cases series of dogs with bacterial cholangitis, cholecystitis, or both, presenting January 2000 to June 2011 to 4 Veterinary Schools in Ireland/United Kingdom. Interrogation of hospital databases identified all cases with the inclusion criteria; histopathologically confirmed cholangitis or cholecystitis and bile culture/cytology results supporting a bacterial etiology. Results Twenty‐seven dogs met the inclusion criteria with approximately 460 hepatitis cases documented over the same study period. Typical clinical pathology findings were increases in liver enzyme activities (25/26), hyperbilirubinemia (20/26), and an inflammatory leukogram (21/24). Ultrasound findings, although nonspecific, aided decision‐making in 25/26 cases. The most frequent hepatobiliary bacterial isolates were Escherichia coli (n = 17; 16 cases), Enterococcus spp. (n = 8; 6 cases), and Clostridium spp. (n = 5; 5 cases). Antimicrobial resistance was an important feature of aerobic isolates; 10/16 E. coli isolates resistant to 3 or more antimicrobial classes. Biliary tract rupture complicated nearly one third of cases, associated with significant mortality (4/8). Discharged dogs had a guarded to fair prognosis; 17/18 alive at 2 months, although 5/10 re‐evaluated had persistent liver enzyme elevation 2–12 months later. Conclusion and Clinical Significance Bacterial cholangitis and cholecystitis occur more frequently than suggested by current literature and should be considered in dogs presenting with jaundice and fever, abdominal pain, or an inflammatory leukogram or with ultrasonographic evidence of gallbladder abnormalities.
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Affiliation(s)
- A Tamborini
- School of Veterinary Medicine, University College Dublin, Dublin, Ireland
| | - H Jahns
- School of Veterinary Medicine, University College Dublin, Dublin, Ireland
| | - H McAllister
- School of Veterinary Medicine, University College Dublin, Dublin, Ireland
| | - A Kent
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - B Harris
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - F Procoli
- Department of Veterinary Clinical Sciences, Royal Veterinary College, London, UK
| | - K Allenspach
- Department of Veterinary Clinical Sciences, Royal Veterinary College, London, UK
| | - E J Hall
- School of Veterinary Sciences, University of Bristol, Bristol, UK
| | - M J Day
- School of Veterinary Sciences, University of Bristol, Bristol, UK
| | - P J Watson
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - E J O'Neill
- School of Veterinary Medicine, University College Dublin, Dublin, Ireland
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Yang DQ, Harris B, Jiang S, Li Y, Freund D, Hegeman A, Cleary M. Abstract P5-05-05: Inhibition of enhanced glucose uptake and glycolysis by KU-55933 as a novel strategy against aggressive breast cancer. Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-p5-05-05] [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: 11/16/2022]
Abstract
Abstract
The ability of cancer cells to produce large amounts of lactate through aerobic glycosis (Warburg effect) is coupled to high rates of glucose uptake. Enhanced glucose uptake and glycolysis are closely correlated to increased breast tumor aggressiveness and poor prognosis. However, despite the importance of glucose uptake in supplying energy and preventing apoptosis of cancer cells, the majority of current efforts in searching for therapeutic agents targeting glucose metabolism have been aimed at modulating activities of different metabolic enzymes that are involved in glycolysis. Very limited studies have been done in developing novel therapeutic agents against glucose uptake in breast cancer cells.
Ataxia-telangiectasia (A-T) is a monogenic, autosomal recessive disorder characterized by cerebellar ataxia and oculocutaneous telangiectasias. The gene mutated in this disease, ATM (A-T, mutated), encodes a 370-kDa protein kinase. Although ATM is traditionally considered to be a nuclear protein that functions as a signal transducer in the cellular response to DNA damage, it is now known that ATM is also present in the cytoplasm and has important cytoplasmic functions. We previously discovered that ATM activates Akt, a main regulator of glucose uptake, by stimulating its phosphorylation at Ser473 following insulin treatment. We also found that ATM participates in insulin-mediated glucose uptake in muscle cells, and KU-55933, a specific inhibitor of ATM, strongly inhibits this process.
Recently, we found that KU-55933 inhibits cell proliferation by inducing apoptosis in MDA-MB-231, a triple-negative breast cancer cell line. We have also found that KU-55933 inhibits migration of MDA-MB-231 by a cell invasion assay. Furthermore, we found that these cancer cells exhibit enhanced glucose uptake in response to insulin and the addition of KU-55933 leads to a dramatic reduction of insulin-mediated glucose uptake in these cells. To further test whether KU-55933's ability to induce apoptosis is linked to its inhibition of glucose uptake, we performed a cell death ELISA assay in MDA-MB-231 cells treated with KU-55933 and different concentrations of glucose. Our results show that KU-55933 induces apoptosis of MDA-MB-231 cells, resulting in a similar degree of cell death as glucose starvation, while cells treated with glucose in conjunction with KU-55933 have decreased apoptosis. Moreover, we performed a cell migration assay and found that KU-55933 strongly inhibits the migration of MDA-MB-231 cells (similar to that caused by glucose starvation), which is almost fully rescued by the extra glucose supplemented in the cell culture medium. We have also established a positional isotope labeling-based targeted metabolomics method that can directly measure the conversion from glucose to lactate through glycolysis in cancer cells. Our results show strong production of lactate from glucose in MDA-MB-231 cells even under normal aerobic growth conditions, and KU-55933 strongly inhibits this process. Our findings may lead to the development of KU-55933 and its analogs as a new generation of therapeutic agents against aggressive breast cancer.
Citation Format: Yang D-Q, Harris B, Jiang S, Li Y, Freund D, Hegeman A, Cleary M. Inhibition of enhanced glucose uptake and glycolysis by KU-55933 as a novel strategy against aggressive breast cancer. [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr P5-05-05.
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Michael K, Whittaker S, Varma S, Bekele E, Langhi L, Hodgkinson J, Harris B. Framework for the assessment of interaction between CO2 geological storage and other sedimentary basin resources. Environ Sci Process Impacts 2016; 18:164-175. [PMID: 26767550 DOI: 10.1039/c5em00539f] [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] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Sedimentary basins around the world considered suitable for carbon storage usually contain other natural resources such as petroleum, coal, geothermal energy and groundwater. Storing carbon dioxide in geological formations in the basins adds to the competition for access to the subsurface and the use of pore space where other resource-based industries also operate. Managing potential impacts that industrial-scale injection of carbon dioxide may have on other resource development must be focused to prevent potential conflicts and enhance synergies where possible. Such a sustainable coexistence of various resource developments can be accomplished by implementing a Framework for Basin Resource Management strategy (FBRM). The FBRM strategy utilizes the concept of an Area of Review (AOR) for guiding development and regulation of CO2 geological storage projects and for assessing their potential impact on other resources. The AOR is determined by the expected physical distribution of the CO2 plume in the subsurface and the modelled extent of reservoir pressure increase resulting from the injection of the CO2. This information is used to define the region to be characterised and monitored for a CO2 injection project. The geological characterisation and risk- and performance-based monitoring will be most comprehensive within the region of the reservoir containing the carbon dioxide plume and should consider geological features and wells continuously above the plume through to its surface projection; this region defines where increases in reservoir pressure will be greatest and where potential for unplanned migration of carbon dioxide is highest. Beyond the expanse of the carbon dioxide plume, geological characterisation and monitoring should focus only on identified features that could be a potential migration conduit for either formation water or carbon dioxide.
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Affiliation(s)
- K Michael
- CSIRO Energy, ARRC, 26 Dick Perry Ave, Kensington, WA 6151, Australia.
| | - S Whittaker
- CSIRO Energy, ARRC, 26 Dick Perry Ave, Kensington, WA 6151, Australia.
| | - S Varma
- Western Australian Department of Mines and Petroleum, Perth, Australia
| | - E Bekele
- CSIRO Land and Water, Perth, Australia
| | - L Langhi
- CSIRO Energy, ARRC, 26 Dick Perry Ave, Kensington, WA 6151, Australia.
| | - J Hodgkinson
- CSIRO Energy, ARRC, 26 Dick Perry Ave, Kensington, WA 6151, Australia.
| | - B Harris
- Curtin University, Perth, Australia
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Trent M, Chung S, Harris B, Huettner S, Butz A, Gaydos C. 004.3 Adolescent care-seeking behaviour after notification of positive sexually transmitted infection results. Br J Vener Dis 2015. [DOI: 10.1136/sextrans-2015-052270.99] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Christian E, Harris B, Wrobel B, Zada G. Endoscopic endonasal transsphenoidal surgery: implementation of an operative and perioperative checklist. Neurosurg Focus 2015; 37:E1. [PMID: 25270128 DOI: 10.3171/2014.7.focus14360] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Endoscopic endonasal surgery relies heavily on specialized operative instrumentation and optimization of endocrinological and other critical adjunctive intraoperative factors. Several studies and worldwide initiatives have previously established that intraoperative and perioperative surgical checklists can minimize the incidence of and prevent adverse events. The aim of this article was to outline some of the most common considerations in the perioperative and intraoperative preparation for endoscopic endonasal transsphenoidal surgery. The authors implemented and prospectively evaluated a customized checklist at their institution in 25 endoscopic endonasal operations for a variety of sellar and skull base pathological entities. Although no major errors were detected, near misses pertaining primarily to missing components of surgical equipment or instruments were identified in 9 cases (36%). The considerations in the checklist provided in this article can serve as a basic template for further customization by centers performing endoscopic endonasal surgery, where their application may reduce the incidence of adverse or preventable errors associated with surgical treatment of sellar and skull base lesions.
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Affiliation(s)
- Eisha Christian
- Department of Neurosurgery, Head and Neck Surgery, Keck School of Medicine of University of Southern California, Los Angeles, California
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Birkholzer S, Richardson N, Fitzgerald E, Harris B, Knighton J. RECORDING OF PATIENT WEIGHT IN THE INTENSIVE CARE UNIT: A SURVEY OF CURRENT PRACTICE. Intensive Care Med Exp 2015. [PMCID: PMC4797426 DOI: 10.1186/2197-425x-3-s1-a918] [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] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Goodell A, Malekinejad M, Mirzazadeh A, Harris B, Marseille E, Kahn J. Visualizing the effect of needle exchange program scale-up in the Russian
Federation: Findings from our web-based modeling tool. Ann Glob Health 2014. [DOI: 10.1016/j.aogh.2014.08.149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Abstract
A daily diary study of married couples tested the hypothesis that automatic partner attitudes regulate self-protection for low, but not high, self-esteem people. For 14 days both partners reported trust in the other’s caring and perceived and actual rejecting and selfish behavior. On days after low self-esteem people reported less trust in their partner’s caring, those with more positive automatic partner attitudes perceived their partner to be less rejecting and selfish. They also engaged in less rejecting and selfish behavior toward their partner and their partner engaged in less selfish and rejecting behavior toward them. The current findings present the first evidence that automatic partner attitudes may help low self-esteem people inhibit the rejection sensitivity and distancing behaviors that too often undermine their relationships.
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Affiliation(s)
- Sandra L. Murray
- University at Buffalo, The State University of New York, NY, USA
| | - Sarah Gomillion
- University at Buffalo, The State University of New York, NY, USA
| | | | - Brianna Harris
- University at Buffalo, The State University of New York, NY, USA
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Abstract
Self-control allows people to curb destructive behavior and behave more pro-socially in relationships. Thus, individuals generally trust partners with high dispositional self-control more. However, it is not clear whether partner self-control influences individuals’ responses to acutely risky situations, such as when partners are rejecting. A daily diary study of married and cohabiting couples examined whether actors with high self-control partners behave less self-protectively in risky situations. On days partners were highly rejecting, actors were less likely to retaliate against and more likely to value high self-control partners. On days after partners had been rejecting, actors also reported that high self-control partners behaved more responsively. Actors also trusted partners with high self-control more regardless of risk. Taken together, our findings suggest that partners’ greater self-control may help foster more positive interaction cycles in romantic relationships.
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Affiliation(s)
- Sarah Gomillion
- University at Buffalo, State University of New York, Buffalo, NY, USA
| | | | - Sandra L. Murray
- University at Buffalo, State University of New York, Buffalo, NY, USA
| | - Brianna Harris
- University at Buffalo, State University of New York, Buffalo, NY, USA
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Pham M, Kale A, Marquez Y, Winer J, Lee B, Harris B, Minnetti M, Carey J, Giannotta S, Zada G. A Perfusion-based Human Cadaveric Model for Management of Carotid Artery Injury during Endoscopic Endonasal Skull Base Surgery. J Neurol Surg B Skull Base 2014; 75:309-13. [PMID: 25301092 DOI: 10.1055/s-0034-1372470] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [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: 12/23/2013] [Accepted: 01/18/2014] [Indexed: 10/25/2022] Open
Abstract
Objective To create and develop a reproducible and realistic training environment to prepare residents and trainees for arterial catastrophes during endoscopic endonasal surgery. Design An artificial blood substitute was perfused at systolic blood pressures in eight fresh human cadavers to mimic intraoperative scenarios. Setting The USC Keck School of Medicine Fresh Tissue Dissection Laboratory was used as the training site. Participants Trainees were USC neurosurgery residents and junior faculty. Main Outcome A 5-point questionnaire was used to assess pre- and posttraining confidence scores. Results High-pressure extravasation at normal arterial blood pressure mimicked real intraoperative internal carotid artery (ICA) injury. Residents developed psychomotor skills required to achieve hemostasis using suction, cottonoids, and muscle grafts. Questionnaire responses from all trainees reported a realistic experience enhanced by the addition of the perfusion model. Conclusions The addition of an arterial perfusion system to fresh tissue cadavers is among the most realistic training models available. This enables the simulation of rare intraoperative scenarios such as ICA injury. Strategies for rapid hemostasis and implementation of techniques including endoscope manipulation, suction, and packing can all be rehearsed via this novel paradigm.
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Affiliation(s)
- Martin Pham
- Department of Neurosurgery, Keck School of Medicine, Los Angeles, California, United States
| | - Aydemir Kale
- Department of Neurosurgery, Keck School of Medicine, Los Angeles, California, United States
| | - Yvette Marquez
- Department of Neurosurgery, Keck School of Medicine, Los Angeles, California, United States
| | - Jesse Winer
- Department of Neurosurgery, Keck School of Medicine, Los Angeles, California, United States
| | - Brian Lee
- Department of Neurosurgery, Keck School of Medicine, Los Angeles, California, United States
| | - Brianna Harris
- Department of Neurosurgery, Keck School of Medicine, Los Angeles, California, United States
| | - Michael Minnetti
- Department of Neurosurgery, Keck School of Medicine, Los Angeles, California, United States
| | - Joseph Carey
- Division of Plastic Surgery, Keck School of Medicine, Los Angeles, California, United States
| | - Steven Giannotta
- Department of Neurosurgery, Keck School of Medicine, Los Angeles, California, United States
| | - Gabriel Zada
- Department of Neurosurgery, Keck School of Medicine, Los Angeles, California, United States
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Pham M, Kale A, Marquez Y, Winer J, Lee B, Harris B, Minnetti M, Carey J, Giannotta S, Zada G. A Perfusion-Based Human Cadaveric Model for Management of Carotid Artery Injury during Endoscopic Endonasal Skull Base Surgery. Skull Base Surg 2014. [DOI: 10.1055/s-0034-1370449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Zheng Y, Ding X, Harris B, Schreuder N. Clinical Assessment of a Commercial Patient Positioning and Verification System in Proton Therapy. Int J Radiat Oncol Biol Phys 2013. [DOI: 10.1016/j.ijrobp.2013.06.1970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Harris B. Magnesium sulphate and postoperative pain. Anaesthesia 2013; 68:875-6. [DOI: 10.1111/anae.12313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- B. Harris
- Portsmouth Hospitals NHS Trust; Portsmouth; UK
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Puri K, Dietachmayer G, Steinle P, Dix M, Rikus L, Logan L, Naughton M, Tingwell C, Xiao Y, Barras V, Bermous I, Bowen R, Deschamps L, Franklin C, Fraser J, Glowacki T, Harris B, Lee J, Le T, Roff G, Sulaiman A, Sims H, Sun X, Sun, Zhu H, Chattopadhyay M, Engel C. Implementation of the initial ACCESS numerical weather prediction system. ACTA ACUST UNITED AC 2013. [DOI: 10.22499/2.6302.001] [Citation(s) in RCA: 95] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Harris B, Andrews PJD, Murray GD, Forbes J, Moseley O. Systematic review of head cooling in adults after traumatic brain injury and stroke. Health Technol Assess 2013; 16:1-175. [PMID: 23171713 DOI: 10.3310/hta16450] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Brain injuries resulting from trauma and stroke are common and costly. Cooling therapy may reduce damage and potentially improve outcome. Head cooling targets the site of injury and may have fewer side effects than systemic cooling, but there has been no systematic review and the evidence base is unclear. OBJECTIVE To assess the effect of non-invasive head cooling after traumatic brain injury (TBI) and stroke on intracranial and/or core body temperature, functional outcome and mortality, determine adverse effects and evaluate cost-effectiveness. REVIEW METHODS Search strategy Major international databases [including MEDLINE, EMBASE, Cumulative Index to Nursing and Allied Health Literature, Web of Science, the British Library's Electronic Table of Contents (Zetoc)], The Cochrane Library, trial registers, country-specific databases (including China, Japan), Google Scholar, hypothermia conference reports and reference lists of papers were searched with no publication or language restrictions. The searches were conducted from March 2010 to April 2011, with no back date restriction. Selection criteria For formal analysis of effect of head cooling on functional outcome and mortality: randomised controlled trials (RCTs) of non-invasive head cooling in TBI or stroke in adults (aged ≥ 18 years). RCT prespecified in protocol to include adequate randomisation and blinded outcome assessment. For assessment of effect on temperature and adverse effects of cooling methods/devices: studies of any type in TBI, stroke, cardiac arrest and neonatal hypoxic-ischaemic encephalopathy (adverse effects only). Data collection and analysis A study assessment and data collection form was developed and piloted. Data on functional outcome, mortality, temperature change and adverse effects of devices were sought and extracted. Two authors independently assessed RCTs for quality using the Cochrane Renal Group checklist. RESULTS Out of 46 head-cooling studies in TBI and stroke, there were no RCTs of suitable quality for formal outcome analysis. Twelve studies had useable data on intracranial and core body temperature. These included 99 patients who were cooled after TBI or stroke and 198 patients cooled after cardiac arrest. The data were too heterogeneous for a single summary measure of effect (many studies had no measure of spread) and are therefore presented descriptively. The most effective techniques for which there were adequate data (nasal coolant and liquid cooling helmets) could reduce intracranial temperature by ≥ 1 °C in 1 hour. The main device-related adverse effects were localised skin problems, which were generally mild and self-limiting. There were no suitable data for economic modelling, but an exploratory model of possible treatment effects and cost-effectiveness of head cooling in TBI was created using local patient data. LIMITATIONS We conducted extensive and sensitive searches but found no good-quality RCTs of the effect of head cooling on functional outcome that met the review inclusion criteria. Most trials were small and/or of low methodological quality. However, if the trial reports did not reflect the true quality of the research, there may be some excluded trials that should have been included. Temperature data were often poorly reported which made it difficult to assess the effect of head cooling on temperature. CONCLUSIONS Whether head cooling improves functional outcome or has benefits and fewer side effects compared with systemic cooling or no cooling could not be established. Some methods of head cooling can reduce intracranial temperature, which is an important first step in determining effectiveness, but there is insufficient evidence to recommend its use outside of research trials. The principal recommendations for research are that active cooling devices show the most promise for further investigation and more robust proof of concept of intracranial and core body temperature reduction with head cooling is required, clearly showing whether temperature has changed and by how much. FUNDING The National Institute for Health Research Health Technology Assessment programme.
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Affiliation(s)
- B Harris
- School of Clinical Sciences and Community Health, University of Edinburgh, Edinburgh, UK
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Murray SL, Holmes JG, Derrick JL, Harris B, Griffin DW, Pinkus RT. Cautious to a Fault: Self-Protection and the Trajectory of Marital Satisfaction. J Exp Soc Psychol 2013; 49:522-533. [PMID: 25013236 PMCID: PMC4086831 DOI: 10.1016/j.jesp.2012.10.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
A contextual model of self-protection is proposed to explain when adhering to cautious "if-then" rules in daily interaction erodes marital satisfaction. People can self-protect against partner non-responsiveness by distancing when a partner seems rejecting, promoting a partner's dependence when feeling unworthy, or by devaluing a partner in the face of costs. The model implies that being less trusting elicits self-protection, and that mismatches between self-protective practices and encountered risk accelerate declines in satisfaction. A longitudinal study of newlyweds revealed that the fit between self-protection practices and risk predicted declines in satisfaction over three years. When people self-protected more initially, satisfaction declined more in low-risk (i.e., low conflict, resilient partner) than high-risk relationships (i.e., high conflict, vulnerable partner). However, when people self-protected less initially, satisfaction declined more in high-risk than low-risk relationships. Process evidence was consistent with moderated mediation: In low-risk relationships only, being less trusting predicted higher levels of self-protective caution that forecast later declines in satisfaction.
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Yashar P, Zada G, Harris B, Giannotta SL. Extent of resection and early postoperative outcomes following removal of cystic vestibular schwannomas: surgical experience over a decade and review of the literature. Neurosurg Focus 2013; 33:E13. [PMID: 22937847 DOI: 10.3171/2012.7.focus12206] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECT Vestibular schwannomas (VSs) are benign tumors of the eighth cranial nerve sheath, representing approximately 6%-8% of all newly diagnosed brain tumors, with an annual incidence of 2000-2500 cases in the US. Although most of these lesions are solid, cystic vestibular schwannomas (CVSs) compose 4%-20% of all VSs and are commonly larger at the time of presentation. The authors present their experience with the operative management of CVSs, including surgical approach, extent of resection, and postoperative facial nerve outcomes. The literature pertaining to clinical and histopathological differences between CVSs and their solid counterparts is reviewed. METHODS The University of Southern California Department of Neurosurgery database was retrospectively reviewed to identify patients who had undergone resection of a VS between 2000 and 2010. One hundred seventy-nine patients with VS were identified. Patients with CVSs were the subject of the present analysis. Diagnosis of a CVS was made based on MRI findings. Clinical and neuroimaging data, including pre- and postoperative assessments and operative notes, were collected and reviewed. RESULTS Twenty-three patients, 14 men (61%) and 9 women (39%), underwent 24 operations for CVSs. These patients composed 12.8% of all cases of VS. Patient ages ranged from 28 to 78 years (mean 55 years), and the mean maximal tumor diameter was 3.6 cm (range 2.0-4.0 cm). Patients most frequently presented with headache, hearing loss, vertigo, and dizziness. Preoperative facial numbness was reported in 44% of patients. Among the 24 cases, 13 were treated with retrosigmoid craniotomy and 11 via a translabyrinthine approach. Complete resection was achieved in 11 patients (48%), subtotal resection (STR) in 8 patients (35%), and near-total resection (NTR) in 4 patients (17%). Facial nerve outcomes were available in all except one case. Good facial nerve outcomes (House-Brackmann [HB] Grades I-III) were achieved in 82% of the patients who had undergone either NTR or STR, as compared with 73% of patients who had undergone gross-total resection (GTR; p > 0.05, Fisher exact test). In comparison, 83% of patients with solid VSs had a good HB grade (p = 0.38, Fisher exact test), although this finding did not reach statistical significance. Complications included wound infection (2 patients), delayed CSF leakage (1 patient), and a delayed temporal encephalocele following a translabyrinthine approach and requiring surgical repair (1 patient). CONCLUSIONS Cystic vestibular schwannoma represents a clinical and surgical entity separate from its solid counterpart, as demonstrated by its more rapid clinical course and early surgical outcomes. Facial nerve grades may correlate with the degree of tumor resection, trending toward poorer grades with more significant resections. Although GTR is recommended whenever possible, performing an STR when facial nerve preservation is in jeopardy to improve facial nerve outcomes is the preferred strategy at the authors' institution.
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Affiliation(s)
- Parham Yashar
- Department of Neurological Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California 90033, USA.
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Murray SL, Gomillion S, Holmes JG, Harris B, Lamarche V. The dynamics of relationship promotion: Controlling the automatic inclination to trust. J Pers Soc Psychol 2013; 104:305-34. [DOI: 10.1037/a0030513] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Gabriel S, Harris B, Carvallo M, Troisi JD. The Interconnected Self: The Social Individual is More Than Just Social + Individual. Social and Personality Psychology Compass 2012. [DOI: 10.1111/j.1751-9004.2012.00463.x] [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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Lombard JE, Gardner IA, Jafarzadeh SR, Fossler CP, Harris B, Capsel RT, Wagner BA, Johnson WO. Herd-level prevalence of Mycobacterium avium subsp. paratuberculosis infection in United States dairy herds in 2007. Prev Vet Med 2012; 108:234-8. [PMID: 22979969 DOI: 10.1016/j.prevetmed.2012.08.006] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2012] [Revised: 08/09/2012] [Accepted: 08/12/2012] [Indexed: 10/27/2022]
Abstract
Testing of composite fecal (environmental) samples from high traffic areas in dairy herds has been shown to be a cost-effective and sensitive method for classification of herd status for Mycobacterium avium subsp. paratuberculosis (MAP). In the National Animal Health Monitoring System's (NAHMS) Dairy 2007 study, the apparent herd-level prevalence of MAP was 70.4% (369/524 had ≥ 1 culture-positive composite fecal samples out of 6 tested). Based on these data, the true herd-level prevalence (HP) of MAP infection was estimated using Bayesian methods adjusting for the herd sensitivity (HSe) and herd specificity (HSp) of the test method. The Bayesian prior for HSe of composite fecal cultures was based on data from the NAHMS Dairy 2002 study and the prior for HSp was based on expert opinion. The posterior median HP (base model) was 91.1% (95% probability interval, 81.6 to 99.3%) and estimates were most sensitive to the prior for HSe. The HP was higher than estimated from the NAHMS Dairy 1996 and 2002 studies but estimates are not directly comparable with those of prior NAHMS studies because of the different testing methods and criteria used for herd classification.
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Affiliation(s)
- J E Lombard
- USDA, Animal and Plant Health Inspection Service, Veterinary Services, Centers for Epidemiology and Animal Health, Fort Collins, CO 80526-8117, USA.
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Ghobrial IM, Moreau P, Harris B, Poon T, Jourdan E, Maisonneuve H, Benhadji KA, Hossain AM, Nguyen TS, Wooldridge JE, Leblond V. A multicenter phase II study of single-agent enzastaurin in previously treated Waldenstrom macroglobulinemia. Clin Cancer Res 2012; 18:5043-50. [PMID: 22879385 DOI: 10.1158/1078-0432.ccr-12-0181] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Enzastaurin is a serine/threonine kinase inhibitor that showed antiangiogenic, antiproliferative, and proapoptotic properties in vitro and antitumor activity in vivo in a xenograft Waldenström macroglobulinemia (WM) model. These findings provided the rationale for a multicenter phase II trial of oral enzastaurin in previously treated patients with WM. EXPERIMENTAL DESIGN Patients who were treated with 1 to 5 prior regimens and who had a baseline immunoglobulin M level 2 times or more the upper limit of normal received oral enzastaurin 250 mg twice daily (500 mg total) after a single loading dose (day 1, cycle 1) of 375 mg 3 times daily (1,125 mg total) for 8 cycles of 28 days each or until progressive disease. Six patients who progressed during treatment with enzastaurin had dexamethasone added per protocol. RESULTS From July 2008 to December 2010, 42 patients were enrolled. The objective response rate (RR) was 38.1% (2 partial and 14 minor responses). One patient had grade 3 leukopenia and one patient died during the study from septic shock; both events were considered drug related. A statistically significant association between RR and interleukin 15 (IL-15) was observed, suggesting that higher concentration levels of IL-15 may be associated with better response. CONCLUSION Enzastaurin was active and well tolerated in previously treated patients with WM. Because of the small sample size of this uncontrolled study, further assessment of the relationship between IL-15 and response to enzastaurin in patients with WM is required. These results warrant further investigation of enzastaurin for the treatment of WM.
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Affiliation(s)
- Irene M Ghobrial
- Dana-Farber Cancer Institute, 450 Brookline Avenue, Boston, MA 02215, USA.
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Airley R, Evans A, Harris B, Winchester L, Leek R, Harris A. 329 Carbohydrate Response Element Binding Protein (ChREBP) -a New Metabolic Biomarker in Breast Cancer? Eur J Cancer 2012. [DOI: 10.1016/s0959-8049(12)71019-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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