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Henry S, Carroll M, Murphy KN, Leys L, Markl D, Vanhoorne V, Vervaet C. Semi-crystalline materials for pharmaceutical fused filament fabrication: Dissolution and porosity. Int J Pharm 2024; 652:123816. [PMID: 38246479 DOI: 10.1016/j.ijpharm.2024.123816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 01/14/2024] [Accepted: 01/15/2024] [Indexed: 01/23/2024]
Abstract
A better understanding of crystallization kinetics and the effect on drug product quality characteristics is needed to exploit the use of semi-crystalline polymers in pharmaceutical fused filament fabrication. Filaments were prepared from polycaprolactone or polyethylene oxide loaded with a crystallization inhibitor or inducer, which was either 10% (w/w) ibuprofen or theophylline. A design-of-experiments approach was conducted to investigate the effect of nozzle temperature, bed temperature and print speed on the printed tablets' microstructure and dissolution kinetics. Helium pycnometry derived porosity proved an ideal technique to capture significant distortions in the tablets' microstructure. On the other hand, terahertz time domain spectroscopy (THz-TDS) analysis proved valuable to investigate additional enclosed pores of the tablets' microstructure. The surface roughness was analyzed using optical coherence tomography, showing the importance of extensional viscosity for printed drug products. Drug release occurred via erosion for tablets consisting of polyethylene oxide, which partly reduced the effect of the inner microstructure on the drug release kinetics. An initial burst release effect was noted for polycaprolactone tablets, after which drug release continued via diffusion. Both the pore and crystalline microstructure were deemed essential to steer drug release. In conclusion, this research provided guidelines for material and process choice when a specific microstructure has to be constructed from semi-crystalline materials. In addition, non-destructive tests for the characterization of printed products were evaluated.
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Affiliation(s)
- S Henry
- Laboratory of Pharmaceutical Technology, Ghent University, Ghent, Belgium
| | - M Carroll
- Centre for Continuous Manufacturing and Advanced Crystallisation (CMAC), University of Strathclyde, Technology and Innovation Centre, Glasgow, UK; Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
| | - K N Murphy
- Centre for Continuous Manufacturing and Advanced Crystallisation (CMAC), University of Strathclyde, Technology and Innovation Centre, Glasgow, UK; Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
| | - L Leys
- Laboratory of Pharmaceutical Process Analytical Technology, Ghent University, 9000 Ghent, Belgium
| | - D Markl
- Centre for Continuous Manufacturing and Advanced Crystallisation (CMAC), University of Strathclyde, Technology and Innovation Centre, Glasgow, UK; Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
| | - V Vanhoorne
- Laboratory of Pharmaceutical Technology, Ghent University, Ghent, Belgium
| | - C Vervaet
- Laboratory of Pharmaceutical Technology, Ghent University, Ghent, Belgium.
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2
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McCain A, McGibbon C, Carroll M, MacKenzie E, Sénéchal M, Bouchard DR. Validity of common physical function tests performed online for older adults. Arch Gerontol Geriatr 2023; 114:105104. [PMID: 37354737 PMCID: PMC10285319 DOI: 10.1016/j.archger.2023.105104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 06/13/2023] [Accepted: 06/14/2023] [Indexed: 06/26/2023]
Abstract
BACKGROUND Objectively measured physical function tests are important predictors of institutionalization, disability, and premature mortality. Although physical function was usually assessed in person prior to the COVID-19 pandemic, there is a need to investigate whether physical function tests performed online are valid. OBJECTIVE The purpose of this study was to determine the validity of common physical function tests conducted online compared to in-person testing in older adults. METHODS Physical functions included gait speed, one leg stance balance, 30-second chair stands, and the 2-minute steps were tested online and in-person using a random order for community dwellers aged 65 years and above. Using an alpha two way mixed model, average intraclass correlation coefficients (ICC) were calculated between the two settings and one sample T-test performed on the difference between the results of each test between the two settings. Finally, Bland-Altman plots were created, and proportional biases tested via linear regressions. RESULTS Besides the one-leg stance balance with eyes closed, for which the ICC was 0.47 (0.23-0.74) the average ICC's were excellent ranging from 0.87 to 0.94. No proportional biases were observed based on Bland-Altman graphs. CONCLUSION For older adults living in the community, common physical function tests can be performed online.
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Affiliation(s)
- A McCain
- Faculty of Kinesiology, University of New Brunswick, Fredericton, Canada; Cardiometabolic Exercise & Lifestyles Laboratory (CELLAB), Canada
| | - C McGibbon
- Faculty of Kinesiology, University of New Brunswick, Fredericton, Canada; Institute of Biomedical Engineering, University of New Brunswick, Fredericton, Canada
| | - M Carroll
- Faculty of Kinesiology, University of New Brunswick, Fredericton, Canada; Cardiometabolic Exercise & Lifestyles Laboratory (CELLAB), Canada
| | - E MacKenzie
- Faculty of Kinesiology, University of New Brunswick, Fredericton, Canada; Institute of Biomedical Engineering, University of New Brunswick, Fredericton, Canada
| | - M Sénéchal
- Faculty of Kinesiology, University of New Brunswick, Fredericton, Canada; Cardiometabolic Exercise & Lifestyles Laboratory (CELLAB), Canada
| | - D R Bouchard
- Faculty of Kinesiology, University of New Brunswick, Fredericton, Canada; Cardiometabolic Exercise & Lifestyles Laboratory (CELLAB), Canada.
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Carroll M, Alliston T, Dole N. The Multifaceted Effects of Osteocytic TGFβ Signaling on the Skeletal and Extraskeletal Functions of Bone. Curr Osteoporos Rep 2023:10.1007/s11914-023-00802-w. [PMID: 37395891 DOI: 10.1007/s11914-023-00802-w] [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] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/02/2023] [Indexed: 07/04/2023]
Abstract
PURPOSE OF REVIEW To summarize the fundamental role of transforming growth factor beta (TGFβ) signaling in osteocytes and highlight the physiological and pathophysiological conditions stemming from the deregulation of this pathway in osteocytes. RECENT FINDINGS Osteocytes perform a myriad of skeletal and extraskeletal functions, including mechanosensing, coordinating bone remodeling, local bone matrix turnover, and maintaining systemic mineral homeostasis and global energy balance. Transforming growth factor-beta (TGFβ) signaling, which is crucial for embryonic and postnatal bone development and maintenance, has been found to be essential for several osteocyte functions. There is some evidence that TGFβ might be accomplishing these functions through crosstalk with the Wnt, PTH, and YAP/TAZ pathways in osteocytes, and a better understanding of this complex molecular network can help identify the pivotal convergence points responsible for distinct osteocyte functions. This review provides recent updates on the interwoven signaling cascades coordinated by TGFβ signaling within osteocytes to support their skeletal and extraskeletal functions and highlights physiological and pathophysiological conditions implicating the role of TGFβ signaling in osteocytes.
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Affiliation(s)
- M Carroll
- Department of Physiology and Cell Biology, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - T Alliston
- Department of Orthopaedic Surgery, University of California, San Francisco, San Francisco, CA, USA
| | - N Dole
- Department of Physiology and Cell Biology, University of Arkansas for Medical Sciences, Little Rock, AR, USA.
- Department of Orthopaedic Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA.
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Hudson A, Isaac D, Novak K, Ma H, Kuc A, Carroll M, Wine E, Huynh H. A14 TRANSABDOMINAL BOWEL ULTRASOUND AND CLINICAL OUTCOMES OVER ONE YEAR IN CHILDREN WITH NEWLY DIAGNOSED CROHN’S DISEASE. J Can Assoc Gastroenterol 2023. [PMCID: PMC9991303 DOI: 10.1093/jcag/gwac036.014] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/09/2023] Open
Abstract
Abstract
Background
Transabdominal bowel ultrasound (TABUS) is an emerging non-invasive tool for monitoring inflammatory bowel disease (IBD). Its use is particularly increasing in pediatric IBD, given the need for anesthesia during endoscopy. The assessment of TABUS in pediatric IBD has been limited to small numbers of patients with no long-term follow-up.
Purpose
To describe TABUS findings and its relationship with clinical, biochemical, and endoscopic assessments in pediatric patients with Crohn’s disease up to one year post-diagnosis.
Method
Patients (0-18 years) with suspected IBD were prospectively enrolled through the Edmonton Pediatric IBD Clinic. Those with Crohn’s disease were included. Patients underwent repeated TABUS, clinical assessments, blood work, fecal calprotectin (FCP) (baseline, 1-, 3-, 6-, 12-months), and endoscopy (baseline and 6-12 months). The weighted Pediatric Crohn’s Disease Activity Index (wPCDAI), Simple Endoscopic Score for Crohn’s Disease (SES-CD; rectum excluded), and Simple Ultrasound Activity Score for Crohn’s Disease (SUS-CD; rectum excluded) were used. Remission was defined as FCP<250mg/kg, CRP<4mg/L, wPCDAI<12, no upcoming surgery, and SES-CD score ≤2 for any bowel segment.
Result(s)
Fifty-six patients (68% male), median age 12.5 years (range 6-17), were followed for 6 months. Forty (71%) were followed up to 12 months. Median TABUS bowel wall thickness (BWT) and SUS-CD total scores improved in all bowel segments over time. SUS-CD total scores significantly correlated with SES-CD (baseline, 6-, 12-months), wPCDAI (baseline, 1-, 6-, 12-months), CRP (baseline, 1-, 3-, 6-months), ESR (baseline, 1-, 3-, 6-, 12-months), and FCP (baseline, 1-, 6-, 12-months) (rho ranged 0.302-0.732, p<0.05). Patients in remission had sustained significantly thinner BWT of their most affected bowel segment (Figure 1) starting at 1-month (median 3.1mm (IQR 2.7-3.7) vs. 4.1mm (IQR 2.9-5.6; p<0.05), and sustained significantly lower SUS-CD total scores starting at 6 months (median 0 (IQR 0-1) vs. median 2 (IQR 1-3); p<0.05). Seven patients had surgery (n=7/7 ileocecal, n=2/7 jejunal resection). All 7 patients had complex TI disease (n=6 strictures, n=1 long-segment disease >25cm) and proximal small bowel disease (n=2/2) on TABUS. Those with baseline ultrasound findings of a stricture with upstream bowel dilatation (n=7/56) had increased odds (OR=288, p<0.01) and relative risk (RR=42, p<0.01) of needing surgery (n=6/7 with baseline obstructive findings, n=1/49 without) within the first year.
Image
Conclusion(s)
TABUS had significant correlations with clinical, biochemical, and endoscopic markers of Crohn’s disease activity in pediatric patients over one year. Bowel wall thickness of the most affected bowel segment is a helpful measurement, becoming significantly thinner as soon as 1-month post-diagnosis in those who obtain remission. Baseline findings of bowel narrowing and upstream dilation increase the odds and relative risk of needing surgery in the first year.
Please acknowledge all funding agencies by checking the applicable boxes below
None
Disclosure of Interest
None Declared
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Affiliation(s)
- A Hudson
- Pediatric Gastroenterology, University of Alberta , Edmonton
| | - D Isaac
- Pediatric Gastroenterology, University of Alberta , Edmonton
| | - K Novak
- Gastroenterology, University of Calgary , Calgary , Canada
| | - H Ma
- Pediatric Gastroenterology, University of Alberta , Edmonton
| | - A Kuc
- Pediatric Gastroenterology, University of Alberta , Edmonton
| | - M Carroll
- Pediatric Gastroenterology, University of Alberta , Edmonton
| | - E Wine
- Pediatric Gastroenterology, University of Alberta , Edmonton
| | - H Huynh
- Pediatric Gastroenterology, University of Alberta , Edmonton
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Bording-Jorgensen M, Moreau F, Gorman H, Mahmood R, Olof H, Voisin A, Coker D, Jeanson TL, El-Matary W, Carroll M, Huynh H, Bernstein C, Santer D, Chadee K, Wine E, Vasanthan T, Armstrong H. A187 DIETARY FIBERS ELICIT GUT IMMUNE AND EPITHELIAL BARRIER MODIFYING EFFECTS IN INFLAMMATORY BOWEL DISEASES BASED ON FOOD SOURCE AND FIBER CHEMICAL FEATURES. J Can Assoc Gastroenterol 2023. [PMCID: PMC9991363 DOI: 10.1093/jcag/gwac036.187] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/09/2023] Open
Abstract
Background Dietary fibers are not digested in the bowel; they are fermented by microbes, typically promoting gut health. However, IBD patients experience sensitivity to consumption of fibers. Our previous findings offered the first mechanistic evidence demonstrating that unfermented dietary β-fructans (inulin and oligofructose) can induce pro-inflammatory cytokines and altered epithelial barrier integrity in a subset of pediatric IBD colonic biopsies cultured ex vivo, and in the SYNERGY-1 (β-fructan) clinical study of adult remission UC patients. Fermentation of β-fructan by whole-microbiota intestinal washes from non-IBD or remission IBD patients (but not non-IBD microbes) reduced pro-inflammatory responses. Purpose Here we aimed to expand our findings to uncover the physiologically relevant gut immune and epithelial responses to over 50 unfermented and partially fermented dietary fibers (arabinoxylans, β-glucans, β-mannans, galatooligosaccharides, inulins, oligofructoses, pectins, raffinooligosaccharides, xyloglucans) sourced from commonly consumed fruits, grains, and vegetables to better understand which foods are safe for IBD patients, and in which disease state settings. Method Colonic biopsies cultured ex vivo, peripheral blood mononuclear cells (PBMCs), colonic organoids, and cell lines were incubated with individual dietary fibers or mixture of fibers extracted from commonly consumed fruits, grains, and vegetables. Epithelial barrier integrity (TEER, microscopy, FITC-dextran) and immune responses (cytokine secretion [ELISA/MSD] and expression [qPCR]) were assessed. Structural features of the different fibers (e.g., degree of polymerization, phenolic/phytic content, branching, sugar content) were measured by HPLC and gas chromatography and correlated to host cell responses. Result(s) Most significantly unfermented inulin, oligofructose, and arabinoxylan induced pro-inflammatory responses, particularly in myeloid cells. Pectin and galatooligosaccharides were either non-inflammatory or anti-inflammatory depending on the food source. The epithelial barrier response to select dietary fibers correlated more significantly with the chemical properties of the fibers; longer fibers (greater degree of polymerization; e.g., inulin) displayed improved barrier integrity while shorter dietary fibers with higher phenolic content displayed reduced barrier integrity. Fiber structural properties varied significantly between different fiber subtypes along with the same fiber subtype sourced from different foods. Conclusion(s) Our findings suggest that intolerance and avoidance of fibers in select IBD patients occurs in patients whose gut microbiota do not support fermentation of fibers resulting in increased presence of unfermented dietary fibers in the gut. Here we show which specific dietary fibers from specific food items can elicit gut barrier damage and inflammation in the gut dependent on fiber structural features, suggesting mechanisms underlying IBD patient avoidance of specific high-fiber foods. Please acknowledge all funding agencies by checking the applicable boxes below Other Please indicate your source of funding; Weston Family Foundation, MMSF, NSERC, CRC Disclosure of Interest None Declared
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Affiliation(s)
| | | | | | - R Mahmood
- University of Manitoba, Winnipeg, Canada
| | - H Olof
- University of Manitoba, Winnipeg, Canada
| | - A Voisin
- University of Manitoba, Winnipeg, Canada
| | - D Coker
- University of Manitoba, Winnipeg, Canada
| | | | | | | | - H Huynh
- University of Alberta, Edmonton
| | | | - D Santer
- University of Manitoba, Winnipeg, Canada
| | | | - E Wine
- University of Alberta, Edmonton
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Desai T, Yaskina M, Carroll M. A94 EXPLORING THE SOCIOECONOMIC BURDEN OF PEDIATRIC INFLAMMATORY BOWEL DISEASE: A SURVEY OF FAMILIES AND PEDIATRIC PROVIDERS. J Can Assoc Gastroenterol 2023. [PMCID: PMC9991371 DOI: 10.1093/jcag/gwac036.094] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/09/2023] Open
Abstract
Abstract
Background
Rates of pediatric inflammatory bowel disease (IBD) have been increasing significantly over recent decades, contributing to the rising chronic disease burden across pediatrics. Currently, there is very limited literature exploring the financial burden on families of children with IBD. In fact, there is only one Canadian study in this area despite Canada having one of the highest rates of pediatric IBD in the world.
Purpose
The goal of this study is to better understand the socioeconomic burden of pediatric IBD at our institution and compare institutional practices across the country.
Method
The study took place at a large, tertiary care pediatric centre in Edmonton, Alberta, Canada between October 2022 and January 2023. Two separate electronic surveys were developed and distributed to all families of children with IBD at our institution (N= ~400) and pediatric IBD providers across the country (N= ~45) respectively. Surveys explored demographic information, financial impacts of IBD diagnosis and perceptions around pediatric IBD care and financial support.
Result(s)
Interim results (N=3) indicate dietary therapy costs, missed time off work and school and time off for IBD treatment as considerable burdens on families. Across the country, initial provider data (N=6) suggests significant variability in clinical practice, allied health support and financial support for families. There is overwhelming agreement among providers that the socioeconomic burdens on families is significant. Further data and regression analysis is ongoing.
Conclusion(s)
This is the first study in Canada to directly explore the socioeconomic burden on families of children with IBD. Results indicate good correlation between provider awareness and the increased financial burden on families but also considerable variation in practice across the country. Data suggest further research and advocacy is required to better support patients, however various quality improvement opportunities exist both locally and beyond.
Please acknowledge all funding agencies by checking the applicable boxes below
None
Disclosure of Interest
None Declared
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Affiliation(s)
- T Desai
- Pediatrics, University of Alberta
- Division of Pediatric Gastroenterology and Nutrition, Stollery Children's Hospital
| | - M Yaskina
- University of Alberta
- Women and Children’s Health Research Institute , Edmonton , Canada
| | - M Carroll
- Pediatrics, University of Alberta
- Division of Pediatric Gastroenterology and Nutrition, Stollery Children's Hospital
- Women and Children’s Health Research Institute , Edmonton , Canada
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7
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Carroll M, Morello E, Olimpo M, Giacobino D, Buracco P, Ferraris E. Random mucosal rotating flaps for rostral to mid maxillary defect reconstruction: 26 dogs (2000-2019). J Small Anim Pract 2023; 64:149-160. [PMID: 36250216 DOI: 10.1111/jsap.13558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 08/24/2022] [Accepted: 09/06/2022] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To evaluate the feasibility and the complications following single or double random mucosal rotating (transposition or interpolation) flaps for the closure of rostral to mid maxillary defects in dogs. MATERIALS AND METHODS Medical records of dogs treated with single or double random mucosal rotating flaps after maxillectomy for oral lesions or traumatic loss of tissue, were evaluated. Clinical findings, surgery performed, outcome and postoperative complications (major and minor) were extracted. RESULTS Twenty-six client-owned dogs were retrospectively included. Dogs underwent maxillectomy for canine acanthomatous ameloblastomas (9), oral squamous cell carcinomas (4), peripheral odontogenic fibromas (4), oral melanomas (3), oral fibrosarcomas (2), dentigerous cysts (2) and oral osteosarcoma (1) and trauma resulting in an oronasal fistula (1). Twenty-three dogs underwent a single transposition or interpolation flap and three dogs were treated with a double transposition flap. Postoperative complications, including dehiscence or flap necrosis, occurred in six dogs. CLINICAL SIGNIFICANCE Random mucosal rotating (transposition or interpolation) flaps are versatile when used to close rostral maxillary defects in dogs. Postoperative complications appear to be more likely when these flaps are used to close mid maxillary defects.
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Affiliation(s)
- M Carroll
- Department of Veterinary Sciences, University of Torino, Grugliasco, 10095, Italy
| | - E Morello
- Department of Veterinary Sciences, University of Torino, Grugliasco, 10095, Italy
| | - M Olimpo
- Department of Veterinary Sciences, University of Torino, Grugliasco, 10095, Italy
| | - D Giacobino
- Department of Veterinary Sciences, University of Torino, Grugliasco, 10095, Italy
| | - P Buracco
- Department of Veterinary Sciences, University of Torino, Grugliasco, 10095, Italy
| | - E Ferraris
- Department of Veterinary Sciences, University of Torino, Grugliasco, 10095, Italy
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Walder M, Edelstein E, Carroll M, Lazarev S, Fajardo JE, Fiser A, Viswanathan R. Integrated structure-based protein interface prediction. BMC Bioinformatics 2022; 23:301. [PMID: 35879651 PMCID: PMC9316365 DOI: 10.1186/s12859-022-04852-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 07/18/2022] [Indexed: 11/29/2022] Open
Abstract
Background Identifying protein interfaces can inform how proteins interact with their binding partners, uncover the regulatory mechanisms that control biological functions and guide the development of novel therapeutic agents. A variety of computational approaches have been developed for predicting a protein’s interfacial residues from its known sequence and structure. Methods using the known three-dimensional structures of proteins can be template-based or template-free. Template-based methods have limited success in predicting interfaces when homologues with known complex structures are not available to use as templates. The prediction performance of template-free methods that only rely only upon proteins’ intrinsic properties is limited by the amount of biologically relevant features that can be included in an interface prediction model. Results We describe the development of an integrated method for protein interface prediction (ISPIP) to explore the hypothesis that the efficacy of a computational prediction method of protein binding sites can be enhanced by using a combination of methods that rely on orthogonal structure-based properties of a query protein, combining and balancing both template-free and template-based features. ISPIP is a method that integrates these approaches through simple linear or logistic regression models and more complex decision tree models. On a diverse test set of 156 query proteins, ISPIP outperforms each of its individual classifiers in identifying protein binding interfaces. Conclusions The integrated method captures the best performance of individual classifiers and delivers an improved interface prediction. The method is robust and performs well even when one of the individual classifiers performs poorly on a particular query protein. This work demonstrates that integrating orthogonal methods that depend on different structural properties of proteins performs better at interface prediction than any individual classifier alone. Supplementary Information The online version contains supplementary material available at 10.1186/s12859-022-04852-2.
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Affiliation(s)
- M Walder
- Department of Chemistry, Yeshiva College, Yeshiva University, New York, NY, 10033, USA
| | - E Edelstein
- Department of Chemistry, Yeshiva College, Yeshiva University, New York, NY, 10033, USA
| | - M Carroll
- Department of Chemistry, Yeshiva College, Yeshiva University, New York, NY, 10033, USA
| | - S Lazarev
- Department of Chemistry, Yeshiva College, Yeshiva University, New York, NY, 10033, USA
| | - J E Fajardo
- Department of Systems and Computational Biology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - A Fiser
- Department of Systems and Computational Biology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - R Viswanathan
- Department of Chemistry, Yeshiva College, Yeshiva University, New York, NY, 10033, USA.
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9
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Kouli O, Murray V, Bhatia S, Cambridge WA, Kawka M, Shafi S, Knight SR, Kamarajah SK, McLean KA, Glasbey JC, Khaw RA, Ahmed W, Akhbari M, Baker D, Borakati A, Mills E, Thavayogan R, Yasin I, Raubenheimer K, Ridley W, Sarrami M, Zhang G, Egoroff N, Pockney P, Richards T, Bhangu A, Creagh-Brown B, Edwards M, Harrison EM, Lee M, Nepogodiev D, Pinkney T, Pearse R, Smart N, Vohra R, Sohrabi C, Jamieson A, Nguyen M, Rahman A, English C, Tincknell L, Kakodkar P, Kwek I, Punjabi N, Burns J, Varghese S, Erotocritou M, McGuckin S, Vayalapra S, Dominguez E, Moneim J, Salehi M, Tan HL, Yoong A, Zhu L, Seale B, Nowinka Z, Patel N, Chrisp B, Harris J, Maleyko I, Muneeb F, Gough M, James CE, Skan O, Chowdhury A, Rebuffa N, Khan H, Down B, Fatimah Hussain Q, Adams M, Bailey A, Cullen G, Fu YXJ, McClement B, Taylor A, Aitken S, Bachelet B, Brousse de Gersigny J, Chang C, Khehra B, Lahoud N, Lee Solano M, Louca M, Rozenbroek P, Rozitis E, Agbinya N, Anderson E, Arwi G, Barry I, Batchelor C, Chong T, Choo LY, Clark L, Daniels M, Goh J, Handa A, Hanna J, Huynh L, Jeon A, Kanbour A, Lee A, Lee J, Lee T, Leigh J, Ly D, McGregor F, Moss J, Nejatian M, O'Loughlin E, Ramos I, Sanchez B, Shrivathsa A, Sincari A, Sobhi S, Swart R, Trimboli J, Wignall P, Bourke E, Chong A, Clayton S, Dawson A, Hardy E, Iqbal R, Le L, Mao S, Marinelli I, Metcalfe H, Panicker D, R HH, Ridgway S, Tan HH, Thong S, Van M, Woon S, Woon-Shoo-Tong XS, Yu S, Ali K, Chee J, Chiu C, Chow YW, Duller A, Nagappan P, Ng S, Selvanathan M, Sheridan C, Temple M, Do JE, Dudi-Venkata NN, Humphries E, Li L, Mansour LT, Massy-Westropp C, Fang B, Farbood K, Hong H, Huang Y, Joan M, Koh C, Liu YHA, Mahajan T, Muller E, Park R, Tanudisastro M, Wu JJG, Chopra P, Giang S, Radcliffe S, Thach P, Wallace D, Wilkes A, Chinta SH, Li J, Phan J, Rahman F, Segaran A, Shannon J, Zhang M, Adams N, Bonte A, Choudhry A, Colterjohn N, Croyle JA, Donohue J, Feighery A, Keane A, McNamara D, Munir K, Roche D, Sabnani R, Seligman D, Sharma S, Stickney Z, Suchy H, Tan R, Yordi S, Ahmed I, Aranha M, El Sabawy D, Garwood P, Harnett M, Holohan R, Howard R, Kayyal Y, Krakoski N, Lupo M, McGilberry W, Nepon H, Scoleri Y, Urbina C, Ahmad Fuad MF, Ahmed O, Jaswantlal D, Kelly E, Khan MHT, Naidu D, Neo WX, O'Neill R, Sugrue M, Abbas JD, Abdul-Fattah S, Azlan A, Barry K, Idris NS, Kaka N, Mc Dermott D, Mohammad Nasir MN, Mozo M, Rehal A, Shaikh Yousef M, Wong RH, Curran E, Gardner M, Hogan A, Julka R, Lasser G, Ní Chorráin N, Ting J, Browne R, George S, Janjua Z, Leung Shing V, Megally M, Murphy S, Ravenscroft L, Vedadi A, Vyas V, Bryan A, Sheikh A, Ubhi J, Vannelli K, Vawda A, Adeusi L, Doherty C, Fitzgerald C, Gallagher H, Gill P, Hamza H, Hogan M, Kelly S, Larry J, Lynch P, Mazeni NA, O'Connell R, O'Loghlin R, Singh K, Abbas Syed R, Ali A, Alkandari B, Arnold A, Arora E, Azam R, Breathnach C, Cheema J, Compton M, Curran S, Elliott JA, Jayasamraj O, Mohammed N, Noone A, Pal A, Pandey S, Quinn P, Sheridan R, Siew L, Tan EP, Tio SW, 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Carroll L, Goede A, Harbourne A, Lakhani A, Lami M, Larwood J, Martin J, Merchant J, Pattenden S, Pradhan A, Raafat N, Rothwell E, Shammoon Y, Sudarshan R, Vickers E, Wingfield L, Ashworth I, Azizi S, Bhate R, Chowdhury T, Christou A, Davies L, Dwaraknath M, Farah Y, Garner J, Gureviciute E, Hart E, Jain A, Javid S, Kankam HK, Kaur Toor P, Kaz R, Kermali M, Khan I, Mattson A, McManus A, Murphy M, Nair K, Ngemoh D, Norton E, Olabiran A, Parry L, Payne T, Pillai K, Price S, Punjabi K, Raghunathan A, Ramwell A, Raza M, Ritehnia J, Simpson G, Smith W, Sodeinde S, Studd L, Subramaniam M, Thomas J, Towey S, Tsang E, Tuteja D, Vasani J, Vio M, Badran A, Adams J, Anthony Wilkinson J, Asvandi S, Austin T, Bald A, Bix E, Carrick M, Chander B, Chowdhury S, Cooper Drake B, Crosbie S, D Portela S, Francis D, Gallagher C, Gillespie R, Gravett H, Gupta P, Ilyas C, James G, Johny J, Jones A, Kinder F, MacLeod C, Macrow C, Maqsood-Shah A, Mather J, McCann L, McMahon R, Mitham E, Mohamed M, Munton E, Nightingale K, O'Neill K, Onyemuchara I, Senior R, Shanahan A, Sherlock J, Spyridoulias A, Stavrou C, Stokes D, Tamang R, Taylor E, Trafford C, Uden C, Waddington C, Yassin D, Zaman M, Bangi S, Cheng T, Chew D, Hussain N, Imani-Masouleh S, Mahasivam G, McKnight G, Ng HL, Ota HC, Pasha T, Ravindran W, Shah K, Vishnu K S, Zaman S, Carr W, Cope S, Eagles EJ, Howarth-Maddison M, Li CY, Reed J, Ridge A, Stubbs T, Teasdaled D, Umar R, Worthington J, Dhebri A, Kalenderov R, Alattas A, Arain Z, Bhudia R, Chia D, Daniel S, Dar T, Garland H, Girish M, Hampson A, Kyriacou H, Lehovsky K, Mullins W, Omorphos N, Vasdev N, Venkatesh A, Waldock W, Bhandari A, Brown G, Choa G, Eichenauer CE, Ezennia K, Kidwai Z, Lloyd-Thomas A, Macaskill Stewart A, Massardi C, Sinclair E, Skajaa N, Smith M, Tan I, Afsheen N, Anuar A, Azam Z, Bhatia P, Davies-kelly N, Dickinson S, Elkawafi M, Ganapathy M, Gupta S, Khoury EG, Licudi D, Mehta V, Neequaye S, Nita G, Tay VL, Zhao S, Botsa E, Cuthbert H, Elliott J, Furlepa M, Lehmann J, Mangtani A, Narayan A, Nazarian S, Parmar C, Shah D, Shaw C, Zhao Z, Beck C, Caldwell S, Clements JM, French B, Kenny R, Kirk S, Lindsay J, McClung A, McLaughlin N, Watson S, Whiteside E, Alyacoubi S, Arumugam V, Beg R, Dawas K, Garg S, Lloyd ER, Mahfouz Y, Manobharath N, Moonesinghe R, Morka N, Patel K, Prashar J, Yip S, Adeeko ES, Ajekigbe F, Bhat A, Evans C, Farrugia A, Gurung C, Long T, Malik B, Manirajan S, Newport D, Rayer J, Ridha A, Ross E, Saran T, Sinker A, Waruingi D, Allen R, Al Sadek Y, Alves do Canto Brum H, Asharaf H, Ashman M, Balakumar V, Barrington J, Baskaran R, Berry A, Bhachoo H, Bilal A, Boaden L, Chia WL, Covell G, Crook D, Dadnam F, Davis L, De Berker H, Doyle C, Fox C, Gruffydd-Davies M, Hafouda Y, Hill A, Hubbard E, Hunter A, Inpadhas V, Jamshaid M, Jandu G, Jeyanthi M, Jones T, Kantor C, Kwak SY, Malik N, Matt R, McNulty P, Miles C, Mohomed A, Myat P, Niharika J, Nixon A, O'Reilly D, Parmar K, Pengelly S, Price L, Ramsden M, Turnor R, Wales E, Waring H, Wu M, Yang T, Ye TTS, Zander A, Zeicu C, Bellam S, Francombe J, Kawamoto N, Rahman MR, Sathyanarayana A, Tang HT, Cheung J, Hollingshead J, Page V, Sugarman J, Wong E, Chiong J, Fung E, Kan SY, Kiang J, Kok J, Krahelski O, Liew MY, Lyell B, Sharif Z, Speake D, Alim L, Amakye NY, Chandrasekaran J, Chandratreya N, Drake J, Owoso T, Thu YM, Abou El Ela Bourquin B, Alberts J, Chapman D, Rehnnuma N, Ainsworth K, Carpenter H, Emmanuel T, Fisher T, Gabrel M, Guan Z, Hollows S, Hotouras A, Ip Fung Chun N, Jaffer S, Kallikas G, Kennedy N, Lewinsohn B, Liu FY, Mohammed S, Rutherfurd A, Situ T, Stammer A, Taylor F, Thin N, Urgesi E, Zhang N, Ahmad MA, Bishop A, Bowes A, Dixit A, Glasson R, Hatta S, Hatt K, Larcombe S, Preece J, Riordan E, Fegredo D, Haq MZ, Li C, McCann G, Stewart D, Baraza W, Bhullar D, Burt G, Coyle J, Deans J, Devine A, Hird R, Ikotun O, Manchip G, Ross C, Storey L, Tan WWL, Tse C, Warner C, Whitehead M, Wu F, Court EL, Crisp E, Huttman M, Mayes F, Robertson H, Rosen H, Sandberg C, Smith H, Al Bakry M, Ashwell W, Bajaj S, Bandyopadhyay D, Browlee O, Burway S, Chand CP, Elsayeh K, Elsharkawi A, Evans E, Ferrin S, Fort-Schaale A, Iacob M, I K, Impelliziere Licastro G, Mankoo AS, Olaniyan T, Otun J, Pereira R, Reddy R, Saeed D, Simmonds O, Singhal G, Tron K, Wickstone C, Williams R, Bradshaw E, De Kock Jewell V, Houlden C, Knight C, Metezai H, Mirza-Davies A, Seymour Z, Spink D, Wischhusen S. Evaluation of prognostic risk models for postoperative pulmonary complications in adult patients undergoing major abdominal surgery: a systematic review and international external validation cohort study. Lancet Digit Health 2022; 4:e520-e531. [PMID: 35750401 DOI: 10.1016/s2589-7500(22)00069-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 01/07/2022] [Accepted: 04/06/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Stratifying risk of postoperative pulmonary complications after major abdominal surgery allows clinicians to modify risk through targeted interventions and enhanced monitoring. In this study, we aimed to identify and validate prognostic models against a new consensus definition of postoperative pulmonary complications. METHODS We did a systematic review and international external validation cohort study. The systematic review was done in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. We searched MEDLINE and Embase on March 1, 2020, for articles published in English that reported on risk prediction models for postoperative pulmonary complications following abdominal surgery. External validation of existing models was done within a prospective international cohort study of adult patients (≥18 years) undergoing major abdominal surgery. Data were collected between Jan 1, 2019, and April 30, 2019, in the UK, Ireland, and Australia. Discriminative ability and prognostic accuracy summary statistics were compared between models for the 30-day postoperative pulmonary complication rate as defined by the Standardised Endpoints in Perioperative Medicine Core Outcome Measures in Perioperative and Anaesthetic Care (StEP-COMPAC). Model performance was compared using the area under the receiver operating characteristic curve (AUROCC). FINDINGS In total, we identified 2903 records from our literature search; of which, 2514 (86·6%) unique records were screened, 121 (4·8%) of 2514 full texts were assessed for eligibility, and 29 unique prognostic models were identified. Nine (31·0%) of 29 models had score development reported only, 19 (65·5%) had undergone internal validation, and only four (13·8%) had been externally validated. Data to validate six eligible models were collected in the international external validation cohort study. Data from 11 591 patients were available, with an overall postoperative pulmonary complication rate of 7·8% (n=903). None of the six models showed good discrimination (defined as AUROCC ≥0·70) for identifying postoperative pulmonary complications, with the Assess Respiratory Risk in Surgical Patients in Catalonia score showing the best discrimination (AUROCC 0·700 [95% CI 0·683-0·717]). INTERPRETATION In the pre-COVID-19 pandemic data, variability in the risk of pulmonary complications (StEP-COMPAC definition) following major abdominal surgery was poorly described by existing prognostication tools. To improve surgical safety during the COVID-19 pandemic recovery and beyond, novel risk stratification tools are required. FUNDING British Journal of Surgery Society.
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Abreu L, Linara-Demakakou E, Carroll M, Ahuja K. P-191 Differences in morphokinetic patterns and clinical outcomes between fresh and frozen oocytes; a retrospective analysis. Hum Reprod 2022. [DOI: 10.1093/humrep/deac107.184] [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: 11/13/2022] Open
Abstract
Abstract
Study question
Is there a difference in morphokinetics and clinical outcomes between embryos from fresh and vitrified oocytes?
Summary answer
Embryos from vitrified versus fresh oocytes showed a delay at the cellular stage, but no impact on time to blastulation or clinical outcomes was evident.
What is known already
Oocyte vitrification has greatly impacted assisted reproduction, with the number of treatments cycles using frozen oocytes more than doubling in the UK since 2013. Studies of thawed vitrified oocytes have shown similar success rates and outcomes compared to fresh, allowing the technique to be considered safe and effective. However, vitrification and thawing subjects the oocyte to stress and osmotic changes that may be evident in alterations in the timing of their morphological events. Analysis of morphokinetic markers using time-lapse incubators was performed to investigate this.
Study design, size, duration
Matched cohort study. A total of 823 embryos were analysed, 414 embryos from fresh oocytes and 409 from vitrified. The embryos were from the 288 ICSI treatment cycles performed at LWC in 2019. Fresh oocytes were from women less than 35 years old undergoing fertility treatment and vitrified oocytes were from egg donors under 35.
Participants/materials, setting, methods
Embryos graded AA, BB, BA, AB, were selected and annotated retrospectively on the Embryoscope for the following events: pronuclei appearance (tPNa) and disappearance (tPNf), time until two (t2), four (t4) and eight cells (t8), compaction initiation (tSC), the start of blastulation (tSB) and time to expanded blastocyst (tEB). PN duration, second and third embryo cell cycle (ECC), compaction and blastulation duration were also calculated as well as differences in clinical outcomes.
Main results and the role of chance
Embryos derived from vitrified oocytes (EVO) were observed to have a statistically significant delay in 4/8 morphokinetic events studied: t4 (p = 0.03), t8 (p < 0.01), tSC (p < 0.01) and tSB (p = 0.01). A mean delay of 1h50min was observed when compared to embryos from fresh oocytes (EFO). ECC duration showed a statistically significant difference with a delay of 48 minutes in the vitrified group. However, compaction occurred on average just 84min faster in this group, meaning no differences were observed in the time needed to achieve a full expanded blastocyst.
Regression analysis revealed a correlation between the age of the oocyte and morphokinetic timings. Oocytes from older women demonstrated slower development, with age having a statistically significant impact in the following categories: tPNa, tPNf, t2 and t4.
No differences found between fresh and vitrified groups in fertilization rate (80% EFO vs 79% EVO) (p = 0.841), embryo utilization rate (60% EFO and 61% EVO) (p = 0.432), implantation rate (54% EFO vs 52% EVO) (p = 0.837) and clinical pregnancy rates (49% EFO vs 42% EVO) (p = 0.502).
Limitations, reasons for caution
Limitations of the present study include the retrospective analysis, small sample size and the lack of adjustment for potential contributory/confounding factors such as semen quality, body mass index (BMI), antimüllerian hormone (AMH) levels, type of ovarian stimulation or type of infertility which are known possible influencers of embryo morphokinetics.
Wider implications of the findings
The delay observed at the cellular stage by EVO had no impact on the time the embryos needed to achieve full expansion. While vitrification affects embryo morphokinetics, it does not seem to impact the ability of the oocyte to be fertilized, activated, or to produce a viable blastocyst and pregnancy.
Trial registration number
Not applicable
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Affiliation(s)
- L Abreu
- London Womens Clinic, Embryology , London, United Kingdom
| | | | - M Carroll
- Manchester Metropolitan University, Course director- MSc Clinical Science / Cellular Science , Manchester, United Kingdom
| | - K Ahuja
- London Womens Clinic, Embryology , London, United Kingdom
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Maroof S, Henkel R, Osmundson M, Andersen E, Lodge Y, Carroll M, Campbell A. P-038 Comparison of three methods of semen analysis: A novel at-home sperm test kit, a computer-assisted assessment and an embryologist. Hum Reprod 2022. [PMCID: PMC9384434 DOI: 10.1093/humrep/deac104.109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Study question
How does computer-assisted semen analysis (CASA) (Lenshooke, LOGIXX) and at-home sperm testing (ExSeed) compare with manual methodology assessment of male fertility based on WHO criteria (5thEdition); a three-method comparison study.
Summary answer
All methods showed good agreement for concentration and limited agreement for motility highlighting the need for further development of alternatives to manual assessment.
What is known already
Several studies have shown good correlation between CASA systems and laboratory-based manual semen analysis, but only a few have carried out a three-way comparison study. One of which showed positive correlation with motility and concentration between a smartphone-based semen analysis and laboratory-based CASA system and positive correlation between concentration and motility between the smartphone-based CASA system and microscopic-based results. The at-home sperm test kit may play a role in motivating infertile males to visit clinics for early diagnosis and also reducing the need for multiple visits to the fertility clinic for repeat semen analyses.
Study design, size, duration
Fifty patients (between 29 and 56 years) attending a fertility clinic were included in the study between September 2021 to December 2021. Semen samples were split into 3 aliquots and evaluated using manual semen assessment (MSA) according to the WHO 5th Edition (2010) guidelines, the ExSeed Home Sperm Test (HST) and the LensHooke® X1 PRO Semen Quality Analyzer (CASA).
Participants/materials, setting, methods
The semen samples were collected from fifty participants at CARE Fertility Tunbridge Wells. The samples were placed in an incubator at 37°C for 30 minutes to liquefy. After liquefaction, sperm concentration, total motility, total motile sperm count (TMSC) and normal morphology were evaluated. Spearman’s Rank correlations (>0.7) and Chi-squared tests were used and the p-value < 0.05 was considered as statistically significant.
Main results and the role of chance
All variables were highly significantly (p < 0.0002) positively correlated between all 3 methods.
The greatest correlations were obtained for sperm concentration (CASA/HST: r = 0.826; MSA/HST: r = 0.870; MSA/CASA: r = 0.871) and TMSC (MSA/CASA: p = 0.792; CASA/HST: r = 0.800; MSA/HST: r = 0.854). Correlations for motility were markedly lower (MSA/HST: r = 0.611; CASA/HST: r = 0.717; MSA/LCASA: r = 0.750). The lowest correlation was found for morphology (MSA/CASA: r = 0.500). The HST device does not determine morphology.
As compared to MSA, using the HST device agreement for normal or low sperm concentration (≥15 × 106/mL or < 15 × 106/mL respectively) was identified in 84.3% of the cases, whereas 94.0% with CASA. The agreement between CASA and HST was 82.0%. For total motility ≥ or < 40%, the agreements were 68.0% (CASA/HST), 56.9% (MSA/HST) and 82.0% (MSA/CASA), respectively.
For the identification of patients with normal morphology >4%, the agreement between MSA and CASA was 30%.
Limitations, reasons for caution
The small sample size was 50 cases. The home testing device does not assess morphology. Furthermore, it is difficult to ascertain whether a consumer would carry out the analysis with this device with the same accuracy as an embryologist.
Wider implications of the findings
The need for repeated semen analyses, the effect of the COVID-19 pandemic and the discomfort some patients feel in a clinical setting, necessitate the need for evaluation of novel semen analysis approaches. These emerging technologies have potential to be more patient friendly, convenient and efficient than standard semen assessment methods.
Trial registration number
not applicable
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Affiliation(s)
- S Maroof
- CARE Fertility, Embryology , Tunbridge Wells, United Kingdom
| | - R Henkel
- Logixx Pharma, Scientific Research , London, United Kingdom
| | - M Osmundson
- Logixx Pharma, Business Development , London, United Kingdom
| | - E Andersen
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences , Copenhagen, Denmark
| | - Y Lodge
- CARE Fertility, Embryology , Tunbridge Wells, United Kingdom
| | - M Carroll
- Manchester Metropolitan University, Cellular Science , Manchester, United Kingdom
| | - A Campbell
- CARE Fertility, Embryology , Nottingham, United Kingdom
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Bowden J, Starke A, Galvin J, Carroll M, Smyth G, Morris S. PD-0236 Auto Beam Hold intrafraction monitoring performance for prostate radiotherapy with a hydrogel spacer. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)02791-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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13
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Goh I, Lim J, Carroll M, Hunn S, Stringer F, Macdonald A, Paul C, Amerena J. The Value of Inpatient Echocardiography Following Ischaemic Stroke in 2019: Single Centre Perspective. Heart Lung Circ 2021. [DOI: 10.1016/j.hlc.2021.06.252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Goh I, Lim J, Carroll M, Hunn S, Stringer F, Macdonald A, Paul C, Ameti H, Amerena J. Heart Failure Reduced Ejection Fraction (HFrEF) Readmissions Under General Medicine: University Hospital, Geelong. Heart Lung Circ 2021. [DOI: 10.1016/j.hlc.2021.06.076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Carroll M, Sullivan K, Spergel J, Ruffner M. P310 PROTON PUMP INHIBITOR TREATMENT IMPROVES EPITHELIAL BARRIER FUNCTION IN MODEL OF ESOPHAGEAL EPITHELIUM. Ann Allergy Asthma Immunol 2020. [DOI: 10.1016/j.anai.2020.08.146] [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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Major E, Dunn H, Daniels T, Carroll M, Bundy L. P228 Repurposing old drugs: the thin end of the wedge? Reporting experiences of nebulised heparin for mucolysis in adults with cystic fibrosis. J Cyst Fibros 2020. [DOI: 10.1016/s1569-1993(20)30562-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Amaxilati D, Allenby M, Daniels T, Carroll M, Patel J. WS03.1 Do blood biomarkers perform better than traditional methods for identifying adults with cystic fibrosis and liver fibrosis? J Cyst Fibros 2020. [DOI: 10.1016/s1569-1993(20)30177-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Dhaliwal J, Walters TD, Mack DR, Huynh HQ, Jacobson K, Otley AR, Debruyn J, El-Matary W, Deslandres C, Sherlock ME, Critch JN, Bax K, Seidman E, Jantchou P, Ricciuto A, Rashid M, Muise AM, Wine E, Carroll M, Lawrence S, Van Limbergen J, Benchimol EI, Church P, Griffiths AM. Phenotypic Variation in Paediatric Inflammatory Bowel Disease by Age: A Multicentre Prospective Inception Cohort Study of the Canadian Children IBD Network. J Crohns Colitis 2020; 14:445-454. [PMID: 31136648 PMCID: PMC7242003 DOI: 10.1093/ecco-jcc/jjz106] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND AND AIMS Incidence of paediatric inflammatory bowel disease [IBD] in Canada is among the highest worldwide, and age of onset may be decreasing. In a multicentre nationwide inception cohort study, we examined variation in phenotype of IBD throughout the paediatric age spectrum. METHODS Children aged ≥2 years [y] and <17y [A1 age at diagnosis], with new onset IBD, were systematically evaluated at sites of the Canadian Children IBD Network. Prospectively recorded phenotypic data were compared between age groups. RESULTS Among 1092 children (70% Caucasian; 64% Crohn's disease [CD], 36% ulcerative colitis/inflammatory bowel disease unclassified [UC/IBD-U]; median age 13 y, interquartile range [IQR] 11-15 y), 210 [19%] were diagnosed before the age of age 10 y [Paris A1a] and 43 [4%] before age 6 y (very-early-onset [VEO-IBD]). CD was less common in younger children [42%, 56%, 66%, respectively, of VEO-IBD, A1a; A1b]. Colon-only IBD [UC/IBDU or CD-colon] was present in 81% of VEO-IBD and 65% of A1a; ileal disease increased progressively, reaching plateau at age 10 y. CD location was ileocolonic [L3] in 53% overall. Ileitis [L1] increased with age [6% of VEO-IBD; 13% of A1a; 21% of A1b], as did stricturing/penetrating CD [4% of A1a; 11% of A1b]. At all ages UC was extensive [E3/E4] in >85%, and disease activity moderate to severe according to Physician's Global Assessment [PGA] and weighted Paediatric Crohn's Disease Activity Index/Paediatric Ulcerative Colitis Activity Index [wPCDAI/PUCAI] in >70%. Heights were modestly reduced in CD [mean height z score -0.30 ± 1.23], but normal in UC/IBD-U. CONCLUSIONS Paris classification of age at diagnosis is supported by age-related increases in ileal disease until age 10 years. Other phenotypic features, including severity, are similar across all ages. Linear growth is less impaired in CD than in historical cohorts, reflecting earlier diagnosis.
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Affiliation(s)
- J Dhaliwal
- SickKids Hospital, University of Toronto, Toronto, ON, Canada
| | - T D Walters
- SickKids Hospital, University of Toronto, Toronto, ON, Canada
| | - D R Mack
- Children’s Hospital of Eastern Ontario, University of Ottawa, Ottawa, ON, Canada
| | - H Q Huynh
- Stollery Children’s Hospital, University of Alberta, Edmonton, AB, Canada
| | - K Jacobson
- B.C. Children’s Hospital, University of British Columbia, Vancouver, BC, Canada
| | - A R Otley
- IWK Health Centre, Dalhousie University, Halifax, NS, Canada
| | - J Debruyn
- Alberta Children’s Hospital, University of Calgary, Calgary, AB, Canada
| | - W El-Matary
- Max Rady College of Medicine, University of Manitoba, Winnipeg, MB, Canada
| | - C Deslandres
- CHU Sainte-Justine, Universite de Montreal, Montreal, QC, Canada
| | - M E Sherlock
- McMaster Children’s Hospital, McMaster University, Hamilton, ON, Canada
| | - J N Critch
- Janeway Children’s Health and Rehabilitation Centre, Memorial University, St John’s, NL, Canada
| | - K Bax
- Children’s Hospital of Western Ontario, University of Western Ontario, London, ON, Canada
| | - E Seidman
- Montreal Children’s Hospital, McGill University Faculty of Medicine, Montreal, QC, Canada
| | - P Jantchou
- CHU Sainte-Justine, Universite de Montreal, Montreal, QC, Canada
| | - A Ricciuto
- SickKids Hospital, University of Toronto, Toronto, ON, Canada
| | - M Rashid
- IWK Health Centre, Dalhousie University, Halifax, NS, Canada
| | - A M Muise
- SickKids Hospital, University of Toronto, Toronto, ON, Canada
| | - E Wine
- Stollery Children’s Hospital, University of Alberta, Edmonton, AB, Canada
| | - M Carroll
- Stollery Children’s Hospital, University of Alberta, Edmonton, AB, Canada
| | - S Lawrence
- B.C. Children’s Hospital, University of British Columbia, Vancouver, BC, Canada
| | - J Van Limbergen
- IWK Health Centre, Dalhousie University, Halifax, NS, Canada
| | - E I Benchimol
- Montreal Children’s Hospital, McGill University Faculty of Medicine, Montreal, QC, Canada
| | - P Church
- SickKids Hospital, University of Toronto, Toronto, ON, Canada
| | - A M Griffiths
- SickKids Hospital, University of Toronto, Toronto, ON, Canada
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Keating S, Sage A, Ambrisko T, Somrak A, Carroll M, Oba P, Martins B, Swanson K. The effect of midazolam or lidocaine prior to etomidate induction on cardiorespiratory function, intraocular pressure, and cortisol production in healthy dogs. Vet Anaesth Analg 2019. [DOI: 10.1016/j.vaa.2019.08.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Maddison J, Everitt L, Carroll M, Connett G. P415 Medicine possession ratios for ivacaftor prescriptions data in children and adults with cystic fibrosis attending a UK regional centre. J Cyst Fibros 2019. [DOI: 10.1016/s1569-1993(19)30707-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Hoo Z, Totton N, Waterhouse S, Hind D, Girling C, Bradburn M, Shepherd E, Nightingale J, Daniels T, Dewar J, Saini G, Barr H, Dawson S, Carroll M, Allenby M, Edenborough F, Arden M, Hutchings M, Carolan C, Clarke C, Lowther M, Curley R, Wildman M. ePS5.05 Understanding objective adherence to preventative inhaled therapies at a centre level for quality improvement - a CFHealthHub (CFHH) improvement collaborative study. J Cyst Fibros 2019. [DOI: 10.1016/s1569-1993(19)30283-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Connett G, Staab D, Hubert D, Phillips S, Pearson C, Carroll M. P280 The development and use of a pancreatic exocrine insufficiency questionnaire to assess symptoms and their impacts in cystic fibrosis. J Cyst Fibros 2019. [DOI: 10.1016/s1569-1993(19)30573-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Benvenuto L, Aversa M, Shah L, Carroll M, D'Ovidio F, Stanifer B, Sonett J, Robbins H, Arcasoy S. Single Lung Transplant Compared with Double Lung Transplant in Older Adults with Interstitial Lung Disease. J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Triolo TM, Fouts A, Pyle L, Yu L, Gottlieb PA, Steck AK, Greenbaum CJ, Atkinson M, Baidal D, Battaglia M, Becker D, Bingley P, Bosi E, Buckner J, Clements M, Colman P, DiMeglio L, Gitelman S, Goland R, Gottlieb P, Herold K, Knip M, Krischer J, Lernmark A, Moore W, Moran A, Muir A, Palmer J, Peakman M, Philipson L, Raskin P, Redondo M, Rodriguez H, Russell W, Spain L, Schatz D, Sosenko J, Wentworth J, Wherrett D, Wilson D, Winter W, Ziegler A, Anderson M, Antinozzi P, Benoist C, Blum J, Bourcier K, Chase P, Clare-Salzler M, Clynes R, Eisenbarth G, Fathman C, Grave G, Hering B, Insel R, Kaufman F, Kay T, Leschek E, Mahon J, Marks J, Nanto-Salonen K, Nepom G, Orban T, Parkman R, Pescovitz M, Peyman J, Pugliese A, Roep B, Roncarolo M, Savage P, Simell O, Sherwin R, Siegelman M, Skyler J, Steck A, Thomas J, Trucco M, Wagner J, Krischer JP, Leschek E, Rafkin L, Bourcier K, Cowie C, Foulkes M, Insel R, Krause-Steinrauf H, Lachin JM, Malozowski S, Peyman J, Ridge J, Savage P, Skyler JS, 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Manning G, Hendry B, Taylor S, Jones W, Strader M, Bencomo T, Bailey L, Bedolla C, Roldan C, Moudiotis B, Vaidya C, Anning S, Bunce S, Estcourt E, Folland E, Gordon C, Harrill J, Ireland J, Piper L, Scaife K, Sutton S, Wilkins M, Costelloe J, Palmer L, Casas C, Miller M, Burgard C, Erickson J, Hallanger-Johnson P, Clark W, Taylor A, Lafferty S, Gillett C, Nolan M, Pathak L, Sondrol T, Hjelle S, Hafner J, Kotrba R, Hendrickson A, Cemeroglu T, Symington M, Daniel Y, Appiagyei-Dankah D, Postellon M, Racine L, Kleis K, Barnes S, Godwin H, McCullough K, Shaheen G, Buck L, Noel M, Warren S, Weber S, Parker I, Gillespie B, Nelson C, Frost J, Amrhein E, Moreland A, Hayes J, Peggram J, Aisenberg M, Riordan J, Zasa E, Cummings K, Scott T, Pinto A, Mokashi K, McAssey E, Helden P, Hammond L, Dinning S, Rahman S, Ray C, Dimicri S, Guppy H, Nielsen C, Vogel C, Ariza L, Morales Y, Chang R, Gabbay L, Ambrocio L, Manley R, Nemery W, Charlton P, Smith L, Kerr B, Steindel-Kopp M, Alamaguer D, Liljenquist G, Browning T, Coughenour M, Sulk E, Tsalikan M, Tansey J, Cabbage N. Identical and Nonidentical Twins: Risk and Factors Involved in Development of Islet Autoimmunity and Type 1 Diabetes. Diabetes Care 2019; 42:192-199. [PMID: 30061316 PMCID: PMC6341285 DOI: 10.2337/dc18-0288] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 06/28/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE There are variable reports of risk of concordance for progression to islet autoantibodies and type 1 diabetes in identical twins after one twin is diagnosed. We examined development of positive autoantibodies and type 1 diabetes and the effects of genetic factors and common environment on autoantibody positivity in identical twins, nonidentical twins, and full siblings. RESEARCH DESIGN AND METHODS Subjects from the TrialNet Pathway to Prevention Study (N = 48,026) were screened from 2004 to 2015 for islet autoantibodies (GAD antibody [GADA], insulinoma-associated antigen 2 [IA-2A], and autoantibodies against insulin [IAA]). Of these subjects, 17,226 (157 identical twins, 283 nonidentical twins, and 16,786 full siblings) were followed for autoantibody positivity or type 1 diabetes for a median of 2.1 years. RESULTS At screening, identical twins were more likely to have positive GADA, IA-2A, and IAA than nonidentical twins or full siblings (all P < 0.0001). Younger age, male sex, and genetic factors were significant factors for expression of IA-2A, IAA, one or more positive autoantibodies, and two or more positive autoantibodies (all P ≤ 0.03). Initially autoantibody-positive identical twins had a 69% risk of diabetes by 3 years compared with 1.5% for initially autoantibody-negative identical twins. In nonidentical twins, type 1 diabetes risk by 3 years was 72% for initially multiple autoantibody-positive, 13% for single autoantibody-positive, and 0% for initially autoantibody-negative nonidentical twins. Full siblings had a 3-year type 1 diabetes risk of 47% for multiple autoantibody-positive, 12% for single autoantibody-positive, and 0.5% for initially autoantibody-negative subjects. CONCLUSIONS Risk of type 1 diabetes at 3 years is high for initially multiple and single autoantibody-positive identical twins and multiple autoantibody-positive nonidentical twins. Genetic predisposition, age, and male sex are significant risk factors for development of positive autoantibodies in twins.
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Affiliation(s)
- Taylor M. Triolo
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Alexandra Fouts
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Laura Pyle
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Liping Yu
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Peter A. Gottlieb
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Andrea K. Steck
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
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Wuytack F, Moran P, Carroll M, Begley C, Daly D. Women’s health before pregnancy in a large cohort of first-time mothers in Ireland. Eur J Public Health 2018. [DOI: 10.1093/eurpub/cky214.096] [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)
- F Wuytack
- Trinity College Dublin, Dublin, Ireland
| | - P Moran
- Trinity College Dublin, Dublin, Ireland
| | - M Carroll
- Trinity College Dublin, Dublin, Ireland
| | - C Begley
- Trinity College Dublin, Dublin, Ireland
| | - D Daly
- Trinity College Dublin, Dublin, Ireland
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Romette JL, Prat CM, Gould EA, de Lamballerie X, Charrel R, Coutard B, Fooks AR, Bardsley M, Carroll M, Drosten C, Drexler JF, Günther S, Klempa B, Pinschewer D, Klimkait T, Avsic-Zupanc T, Capobianchi MR, Dicaro A, Ippolito G, Nitsche A, Koopmans M, Reusken C, Gorbalenya A, Raoul H, Bourhy H, Mettenleiter T, Reiche S, Batten C, Sabeta C, Paweska JT, Eropkin M, Zverev V, Hu Z, Mac Cullough S, Mirazimi A, Pradel F, Lieutaud P. The European Virus Archive goes global: A growing resource for research. Antiviral Res 2018; 158:127-134. [PMID: 30059721 PMCID: PMC7127435 DOI: 10.1016/j.antiviral.2018.07.017] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 07/21/2018] [Accepted: 07/23/2018] [Indexed: 11/28/2022]
Abstract
The European Virus Archive (EVA) was created in 2008 with funding from the FP7-EU Infrastructure Programme, in response to the need for a coordinated and readily accessible collection of viruses that could be made available to academia, public health organisations and industry. Within three years, it developed from a consortium of nine European laboratories to encompass associated partners in Africa, Russia, China, Turkey, Germany and Italy. In 2014, the H2020 Research and Innovation Framework Programme (INFRAS projects) provided support for the transformation of the EVA from a European to a global organization (EVAg). The EVAg now operates as a non-profit consortium, with 26 partners and 20 associated partners from 21 EU and non-EU countries. In this paper, we outline the structure, management and goals of the EVAg, to bring to the attention of researchers the wealth of products it can provide and to illustrate how end-users can gain access to these resources. Organisations or individuals who would like to be considered as contributors are invited to contact the EVAg coordinator, Jean-Louis Romette, at jean-louis.romette@univmed.fr.
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Affiliation(s)
- J L Romette
- Unite des Virus Emergents (UVE: Aix Marseille Univ, IRD 190, INSERM 1207, IHU Méditerranée Infection), Marseille, France.
| | - C M Prat
- Unite des Virus Emergents (UVE: Aix Marseille Univ, IRD 190, INSERM 1207, IHU Méditerranée Infection), Marseille, France
| | - E A Gould
- Unite des Virus Emergents (UVE: Aix Marseille Univ, IRD 190, INSERM 1207, IHU Méditerranée Infection), Marseille, France
| | - X de Lamballerie
- Unite des Virus Emergents (UVE: Aix Marseille Univ, IRD 190, INSERM 1207, IHU Méditerranée Infection), Marseille, France
| | - R Charrel
- Unite des Virus Emergents (UVE: Aix Marseille Univ, IRD 190, INSERM 1207, IHU Méditerranée Infection), Marseille, France
| | - B Coutard
- Architectures et Fonctions, des Macromolécules, Biologiques, Marseille, France
| | - A R Fooks
- Animal and Plant Health Agency, Weybridge, United Kingdom
| | - M Bardsley
- Animal and Plant Health Agency, Weybridge, United Kingdom
| | - M Carroll
- Department of Health-Special Pathogens Laboratory, Porton Down, United Kingdom
| | - C Drosten
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Virology, 10117 Berlin, Germany
| | - J F Drexler
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Virology, 10117 Berlin, Germany
| | - S Günther
- Department of Virology, Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
| | - B Klempa
- Biomedical Research Center, Institute of Virology, Slovak Academy of Sciences, Bratislava, Slovakia
| | - D Pinschewer
- Department of Pathology and Immunology, University of Bales, Switzerland
| | - T Klimkait
- Department of Pathology and Immunology, University of Bales, Switzerland
| | - T Avsic-Zupanc
- Institute of Microbiology and Immunology, Lubljana, Slovenia
| | | | - A Dicaro
- UOC, Istituto Nazionale Malattie Infettive Roma, Italy
| | - G Ippolito
- UOC, Istituto Nazionale Malattie Infettive Roma, Italy
| | - A Nitsche
- Robert Koch Institut, Berlin, Germany
| | - M Koopmans
- ERASMUS Medical Center, Rotterdam, The Netherlands
| | - C Reusken
- ERASMUS Medical Center, Rotterdam, The Netherlands
| | - A Gorbalenya
- Leiden University Medical Center, Leiden, The Netherlands
| | - H Raoul
- Laboratoire Merieux, INSERM, Lyon, France
| | | | - T Mettenleiter
- Friedrich Loeffler Institut, Greifswald-Insel Riems, Germany
| | - S Reiche
- Friedrich Loeffler Institut, Greifswald-Insel Riems, Germany
| | - C Batten
- The Pirbright Institute, Pirbright, United Kingdom
| | - C Sabeta
- Onderstepoort Veterinary Institute, Praetoria, South Africa
| | - J T Paweska
- National Institute for Communicable Diseases, Johannesburg, South Africa
| | - M Eropkin
- Research Institute of Influenza, St. Petersburg, Russia
| | - V Zverev
- Mechnikov Scientific Research Institute for Vaccines and Sera, Moscow, Russia
| | - Z Hu
- Wuhan Institute of Virology, Wuhan, China
| | - S Mac Cullough
- Australian Animal Health Laboratory, Geelong, Australia Disease, Johannesburg, South Africa
| | | | - F Pradel
- Fondation Mérieux, réseau GABRIEL, Lyon, France
| | - P Lieutaud
- Unite des Virus Emergents (UVE: Aix Marseille Univ, IRD 190, INSERM 1207, IHU Méditerranée Infection), Marseille, France
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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, Ellis-Gage J, Fear L, Gray T, Pilger J, Jones L, McNerney C, Pointer L, Price N, Few K, Tomlinson D, Denvir L, Drew J, Randell T, Mansell P, Roberts A, Bell S, Butler S, Hooton Y, Navarra H, Roper A, Babington G, Crate L, Cripps H, Ledlie A, Moulds C, Sadler K, Norton R, Petrova B, Silkstone O, Smith C, Ghai K, Murray M, Viswanathan V, Henegan M, Kawadry O, Olson J, Stavros T, Patterson L, Ahmad T, Flores B, Domek D, Domek S, Copeland K, George M, Less J, Davis T, Short M, Tamura R, Dwarakanathan A, O’Donnell P, Boerner B, Larson L, Phillips M, Rendell M, Larson K, Smith C, Zebrowski K, Kuechenmeister L, Wood K, Thevarayapillai M, Daniels M, Speer H, Forghani N, Quintana R, Reh C, Bhangoo A, Desrosiers P, Ireland L, Misla T, Xu P, Torres C, Wells S, Villar J, Yu M, Berry D, Cook D, Soder J, Powell A, Ng M, Morrison M, Young K, Haslam Z, Lawson M, Bradley B, Courtney J, Richardson C, Watson C, Keely E, DeCurtis D, Vaccarcello-Cruz M, Torres Z, Alies P, Sandberg K, Hsiang H, Joy B, 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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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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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Faria NR, Kraemer MUG, Hill SC, Goes de Jesus J, Aguiar RS, Iani FCM, Xavier J, Quick J, du Plessis L, Dellicour S, Thézé J, Carvalho RDO, Baele G, Wu CH, Silveira PP, Arruda MB, Pereira MA, Pereira GC, Lourenço J, Obolski U, Abade L, Vasylyeva TI, Giovanetti M, Yi D, Weiss DJ, Wint GRW, Shearer FM, Funk S, Nikolay B, Fonseca V, Adelino TER, Oliveira MAA, Silva MVF, Sacchetto L, Figueiredo PO, Rezende IM, Mello EM, Said RFC, Santos DA, Ferraz ML, Brito MG, Santana LF, Menezes MT, Brindeiro RM, Tanuri A, Dos Santos FCP, Cunha MS, Nogueira JS, Rocco IM, da Costa AC, Komninakis SCV, Azevedo V, Chieppe AO, Araujo ESM, Mendonça MCL, Dos Santos CC, Dos Santos CD, Mares-Guia AM, Nogueira RMR, Sequeira PC, Abreu RG, Garcia MHO, Abreu AL, Okumoto O, Kroon EG, de Albuquerque CFC, Lewandowski K, Pullan ST, Carroll M, de Oliveira T, Sabino EC, Souza RP, Suchard MA, Lemey P, Trindade GS, Drumond BP, Filippis AMB, Loman NJ, Cauchemez S, Alcantara LCJ, Pybus OG. Genomic and epidemiological monitoring of yellow fever virus transmission potential. Science 2018; 361:894-899. [PMID: 30139911 PMCID: PMC6874500 DOI: 10.1126/science.aat7115] [Citation(s) in RCA: 204] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Accepted: 07/20/2018] [Indexed: 12/21/2022]
Abstract
The yellow fever virus (YFV) epidemic in Brazil is the largest in decades. The recent discovery of YFV in Brazilian Aedes species mosquitos highlights a need to monitor the risk of reestablishment of urban YFV transmission in the Americas. We use a suite of epidemiological, spatial, and genomic approaches to characterize YFV transmission. We show that the age and sex distribution of human cases is characteristic of sylvatic transmission. Analysis of YFV cases combined with genomes generated locally reveals an early phase of sylvatic YFV transmission and spatial expansion toward previously YFV-free areas, followed by a rise in viral spillover to humans in late 2016. Our results establish a framework for monitoring YFV transmission in real time that will contribute to a global strategy to eliminate future YFV epidemics.
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Affiliation(s)
- N R Faria
- Department of Zoology, University of Oxford, Oxford, UK.
| | - M U G Kraemer
- Department of Zoology, University of Oxford, Oxford, UK
- Computational Epidemiology Lab, Boston Children's Hospital, Boston, MA, USA
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA
| | - S C Hill
- Department of Zoology, University of Oxford, Oxford, UK
| | - J Goes de Jesus
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | - R S Aguiar
- Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - F C M Iani
- Laboratório Central de Saúde Pública, Instituto Octávio Magalhães, FUNED, Belo Horizonte, Minas Gerais, Brazil
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - J Xavier
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | - J Quick
- Institute of Microbiology and Infection, University of Birmingham, Birmingham, UK
| | - L du Plessis
- Department of Zoology, University of Oxford, Oxford, UK
| | - S Dellicour
- Department of Microbiology and Immunology, Rega Institute, KU Leuven, Leuven, Belgium
| | - J Thézé
- Department of Zoology, University of Oxford, Oxford, UK
| | - R D O Carvalho
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - G Baele
- Department of Microbiology and Immunology, Rega Institute, KU Leuven, Leuven, Belgium
| | - C-H Wu
- Department of Statistics, University of Oxford, Oxford, UK
| | - P P Silveira
- Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - M B Arruda
- Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - M A Pereira
- Laboratório Central de Saúde Pública, Instituto Octávio Magalhães, FUNED, Belo Horizonte, Minas Gerais, Brazil
| | - G C Pereira
- Laboratório Central de Saúde Pública, Instituto Octávio Magalhães, FUNED, Belo Horizonte, Minas Gerais, Brazil
| | - J Lourenço
- Department of Zoology, University of Oxford, Oxford, UK
| | - U Obolski
- Department of Zoology, University of Oxford, Oxford, UK
| | - L Abade
- Department of Zoology, University of Oxford, Oxford, UK
- The Global Health Network, University of Oxford, Oxford, UK
| | - T I Vasylyeva
- Department of Zoology, University of Oxford, Oxford, UK
| | - M Giovanetti
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - D Yi
- Department of Statistics, Harvard University, Cambridge, MA, USA
| | - D J Weiss
- Malaria Atlas Project, Big Data Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - G R W Wint
- Department of Zoology, University of Oxford, Oxford, UK
| | - F M Shearer
- Malaria Atlas Project, Big Data Institute, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - S Funk
- Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK
| | - B Nikolay
- Mathematical Modelling of Infectious Diseases and Center of Bioinformatics, Institut Pasteur, Paris, France
- CNRS UMR2000: Génomique Évolutive, Modélisation et Santé, Institut Pasteur, Paris, France
| | - V Fonseca
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
- KwaZulu-Natal Research, Innovation and Sequencing Platform (KRISP), School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - T E R Adelino
- Laboratório Central de Saúde Pública, Instituto Octávio Magalhães, FUNED, Belo Horizonte, Minas Gerais, Brazil
| | - M A A Oliveira
- Laboratório Central de Saúde Pública, Instituto Octávio Magalhães, FUNED, Belo Horizonte, Minas Gerais, Brazil
| | - M V F Silva
- Laboratório Central de Saúde Pública, Instituto Octávio Magalhães, FUNED, Belo Horizonte, Minas Gerais, Brazil
| | - L Sacchetto
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - P O Figueiredo
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - I M Rezende
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - E M Mello
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - R F C Said
- Secretaria de Estado de Saúde de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - D A Santos
- Secretaria de Estado de Saúde de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - M L Ferraz
- Secretaria de Estado de Saúde de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - M G Brito
- Secretaria de Estado de Saúde de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - L F Santana
- Secretaria de Estado de Saúde de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - M T Menezes
- Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - R M Brindeiro
- Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - A Tanuri
- Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - F C P Dos Santos
- Núcleo de Doenças de Transmissão Vetorial, Instituto Adolfo Lutz, São Paulo, Brazil
| | - M S Cunha
- Núcleo de Doenças de Transmissão Vetorial, Instituto Adolfo Lutz, São Paulo, Brazil
| | - J S Nogueira
- Núcleo de Doenças de Transmissão Vetorial, Instituto Adolfo Lutz, São Paulo, Brazil
| | - I M Rocco
- Núcleo de Doenças de Transmissão Vetorial, Instituto Adolfo Lutz, São Paulo, Brazil
| | - A C da Costa
- Instituto de Medicina Tropical e Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - S C V Komninakis
- Retrovirology Laboratory, Federal University of São Paulo, São Paulo, Brazil
- School of Medicine of ABC (FMABC), Clinical Immunology Laboratory, Santo André, São Paulo, Brazil
| | - V Azevedo
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - A O Chieppe
- Coordenação de Vigilância Epidemiológica do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - E S M Araujo
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | - M C L Mendonça
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | - C C Dos Santos
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | - C D Dos Santos
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | - A M Mares-Guia
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | - R M R Nogueira
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | - P C Sequeira
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | - R G Abreu
- Departamento de Vigilância das Doenças Transmissíveis da Secretaria de Vigilância em Saúde, Ministério da Saúde, Brasília-DF, Brazil
| | - M H O Garcia
- Departamento de Vigilância das Doenças Transmissíveis da Secretaria de Vigilância em Saúde, Ministério da Saúde, Brasília-DF, Brazil
| | - A L Abreu
- Secretaria de Vigilância em Saúde, Coordenação Geral de Laboratórios de Saúde Pública, Ministério da Saúde, Brasília-DF, Brazil
| | - O Okumoto
- Secretaria de Vigilância em Saúde, Coordenação Geral de Laboratórios de Saúde Pública, Ministério da Saúde, Brasília-DF, Brazil
| | - E G Kroon
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - C F C de Albuquerque
- Organização Pan - Americana da Saúde/Organização Mundial da Saúde - (OPAS/OMS), Brasília-DF, Brazil
| | - K Lewandowski
- Public Health England, National Infections Service, Porton Down, Salisbury, UK
| | - S T Pullan
- Public Health England, National Infections Service, Porton Down, Salisbury, UK
| | - M Carroll
- NIHR HPRU in Emerging and Zoonotic Infections, Public Health England, London, UK
| | - T de Oliveira
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
- KwaZulu-Natal Research, Innovation and Sequencing Platform (KRISP), School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, South Africa
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa
| | - E C Sabino
- Instituto de Medicina Tropical e Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - R P Souza
- Núcleo de Doenças de Transmissão Vetorial, Instituto Adolfo Lutz, São Paulo, Brazil
| | - M A Suchard
- Department of Biostatistics, UCLA Fielding School of Public Health, University of California, Los Angeles, CA, USA
- Department of Biomathematics and Human Genetics, David Geffen School of Medicine at UCLA, University of California, Los Angeles, CA, USA
| | - P Lemey
- Department of Microbiology and Immunology, Rega Institute, KU Leuven, Leuven, Belgium
| | - G S Trindade
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - B P Drumond
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - A M B Filippis
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | - N J Loman
- Institute of Microbiology and Infection, University of Birmingham, Birmingham, UK
| | - S Cauchemez
- Mathematical Modelling of Infectious Diseases and Center of Bioinformatics, Institut Pasteur, Paris, France
- CNRS UMR2000: Génomique Évolutive, Modélisation et Santé, Institut Pasteur, Paris, France
| | - L C J Alcantara
- Laboratório de Flavivírus, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil.
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - O G Pybus
- Department of Zoology, University of Oxford, Oxford, UK.
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Carroll M, Rangaiahagari A, Musabeyezu E, Singer D, Ogbuagu O. Five-Year Antimicrobial Susceptibility Trends Among Bacterial Isolates from King Faisal Hospital Tertiary Health-Care Facility in Kigali, Rwanda. Clin Ther 2017. [DOI: 10.1016/j.clinthera.2017.05.017] [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: 11/26/2022]
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Wu L, Carroll M, Mahle W, Deshpande S. Mixed Rejection in Pediatric Heart Transplant Patients : An Observational Study. J Heart Lung Transplant 2017. [DOI: 10.1016/j.healun.2017.01.707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Patel P, LaPorte K, Carroll M, Mahle W, Kanter K, Deshpande S. Understanding Hypertension in Pediatric Patients After Heart Transplantation. J Heart Lung Transplant 2017. [DOI: 10.1016/j.healun.2017.01.713] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Carroll M, Alqathami M, Ibbott G. SU-F-T-164: Investigation of PRESAGE Formulation On Signal Quenching in a Proton Beam. Med Phys 2016. [DOI: 10.1118/1.4956300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Deshpande S, Smitley L, Carroll M, LaPorte K, Mahle W, Maher K. Milrinone Use for Inotropic Support in Pediatric Acute Heart Failure: Utilization, Safety and Markers of Efficacy. J Heart Lung Transplant 2016. [DOI: 10.1016/j.healun.2016.01.1185] [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] Open
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Dacie R, Howlin R, Carroll M, Connett G. P230 Investigating the role of chest physiotherapy in the collection of sputum samples from individuals with cystic fibrosis (CF). Thorax 2015. [DOI: 10.1136/thoraxjnl-2015-207770.366] [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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Nybakken GE, Canaani J, Roy D, Morrissette JD, Watt CD, Shah NP, Smith CC, Bagg A, Carroll M, Perl AE. Quizartinib elicits differential responses that correlate with karyotype and genotype of the leukemic clone. Leukemia 2015; 30:1422-5. [PMID: 26585411 DOI: 10.1038/leu.2015.320] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- G E Nybakken
- Department of Pathology, Kaiser Permanente Santa Clara, CA, USA
| | - J Canaani
- Division of Hematology and Oncology, University of Pennsylvania, Philadelphia, PA, USA
| | - D Roy
- Department of Pathology, Rowan University, Glassboro, NJ, USA
| | - J D Morrissette
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - C D Watt
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - N P Shah
- Department of Medicine, Division of Hematology/Oncology, University of California, San Francisco, San Francisco, CA, USA
| | - C C Smith
- Department of Medicine, Division of Hematology/Oncology, University of California, San Francisco, San Francisco, CA, USA
| | - A Bagg
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - M Carroll
- Division of Hematology and Oncology, University of Pennsylvania, Philadelphia, PA, USA.,Philadelphia Veterans Hospital, Philadelphia, PA, USA
| | - A E Perl
- Division of Hematology and Oncology, University of Pennsylvania, Philadelphia, PA, USA
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Carroll M, Alqathami M, Blencowe A, Ibbott G. SU-E-T-515: Investigating the Linear Energy Transfer Dependency of Different PRESAGE Formulations in a Proton Beam. Med Phys 2015. [DOI: 10.1118/1.4924877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Carroll M. Prevention of mother to child transmission of HIV/AIDS in Northern
Uganda: A community-facility-community pilot project. Ann Glob Health 2015. [DOI: 10.1016/j.aogh.2015.02.825] [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: 10/23/2022] Open
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Cristea M, Rivkin S, Lim D, Chung V, Chao J, Wakabayashi M, Paz B, Han E, Lin P, Leong L, Hakim A, Frankel P, Synold T, Carroll M, Openshaw H, Prakash N, Dellinger T, Park M, Morgan R. Phase I Trial of Intraperitoneal Nab-Paclitaxel in the Treatment of Advanced Malignancies Primarily Confined to the Peritoneal Cavity. Ann Oncol 2014. [DOI: 10.1093/annonc/mdu331.37] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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39
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Carroll M, Adamovics J, Mawlawi O, Ibbott G. SU-E-T-230: Measurement of Proton-Activated Positron Emission with PRESAGE 3-D Dosimeters. Med Phys 2014. [DOI: 10.1118/1.4888560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Walshaw M, McElvaney G, Williams R, Morice A, Carroll M, Haworth C, Herzig M, Ketchell I, Myrvold R, Meland N, Myrset A, Smerud K. 45 A first-in-patient clinical trial demonstrates that inhaled alginate oligosaccharide (OligoG) is well tolerated in cystic fibrosis (CF) patients. J Cyst Fibros 2014. [DOI: 10.1016/s1569-1993(14)60182-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Mortimer JE, Colcher D, Frankel P, Raubitschek A, Carroll M, Conti P, Tong S, Poku K, Miles J, Bading J. Abstract P2-03-05: Relationship between 64Cu-DOTA-trastuzumab positron emission tomography uptake and assessment of HER2 by immunohistochemistry in women with advanced breast cancer. Cancer Res 2013. [DOI: 10.1158/0008-5472.sabcs13-p2-03-05] [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
Background: We have utilized 64Cu-DOTA-trastuzumab with PET imaging to assess the in vivo expression of HER2 in women with advanced breast cancer. We have demonstrated that a preadministered dose of trastuzumab 45 mg prior to injection of 64Cu-DOTA-trastuzumab resulted in a 75% decrease in the hepatic uptake of Cu-64, resulting in improved image quality.
Methods: Patients with biopsy confirmation of recurrent disease located outside the breast and axilla considered for study. Complete staging workup included CT of the chest, abdomen, and pelvis, bone scintigraphy and 18F FDG PET. At least 1 non-hepatic site of metastasis that was > 2 cm separate from the biopsy site was also required. HER2 status was assessed by both IHC and FISH. Index lesions were identified on CT imaging. After the first two patients, all patients received a cold dose of 45mg of trastuzumab immediately prior to 64Cu-DOTA-trastuzumab to decrease liver uptake. 64Cu-DOTA-trastuzumab PET imaging was performed at 24 and 48 hours. Uptake on 64Cu-DOTA-trastuzumab was correlated with HER2 status by IHC and FISH.
Results: Fifteen women have undergone 64Cu-DOTA-trastuzumab PET imaging and quantitative image analysis. 10 patients were HER2+ (7 IHC 3+, 3 IHC 2+/FISH+), 3 patients were IHC 2+/FISH-, and 2 patients were IHC 1+. Tumor uptake by 64Cu-DOTA-trastuzumab PET max SUV was higher in HER2+ positive than HER2- patients (1.9-fold higher on day1, p<0.02, and 1.7-fold higher on day2, p<0.05). However, the lowest max SUV was in a HER2+ patient (HER2 2+/FISH+), demonstrating considerable heterogeneity.
Conclusion: 64Cu-DOTA-trastuzumab PET correlates with HER2+ status. However, due to high within and between patient variability, 64Cu-DOTA-trastuzumab PET imaging could potentially enrich for HER2+ patients that respond to HER2-targeted therapy, and could also suggest some HER2- patients that may benefit from HER2-targeted therapy. This hypothesis needs to be further explored in patients undergoing HER2-targeted therapy. This work was supported by the Department of Defense grant # BC095002.
Citation Information: Cancer Res 2013;73(24 Suppl): Abstract nr P2-03-05.
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Affiliation(s)
- JE Mortimer
- City of Hope/Beckman Research Institute, Duarte; University of Southern California
| | - D Colcher
- City of Hope/Beckman Research Institute, Duarte; University of Southern California
| | - P Frankel
- City of Hope/Beckman Research Institute, Duarte; University of Southern California
| | - A Raubitschek
- City of Hope/Beckman Research Institute, Duarte; University of Southern California
| | - M Carroll
- City of Hope/Beckman Research Institute, Duarte; University of Southern California
| | - P Conti
- City of Hope/Beckman Research Institute, Duarte; University of Southern California
| | - S Tong
- City of Hope/Beckman Research Institute, Duarte; University of Southern California
| | - K Poku
- City of Hope/Beckman Research Institute, Duarte; University of Southern California
| | - J Miles
- City of Hope/Beckman Research Institute, Duarte; University of Southern California
| | - J Bading
- City of Hope/Beckman Research Institute, Duarte; University of Southern California
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Scotland S, Saland E, Skuli N, de Toni F, Boutzen H, Micklow E, Sénégas I, Peyraud R, Peyriga L, Théodoro F, Dumon E, Martineau Y, Danet-Desnoyers G, Bono F, Rocher C, Levade T, Manenti S, Junot C, Portais JC, Alet N, Récher C, Selak MA, Carroll M, Sarry JE. Mitochondrial energetic and AKT status mediate metabolic effects and apoptosis of metformin in human leukemic cells. Leukemia 2013; 27:2129-38. [PMID: 23568147 PMCID: PMC10869165 DOI: 10.1038/leu.2013.107] [Citation(s) in RCA: 97] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2012] [Revised: 03/29/2013] [Accepted: 04/02/2013] [Indexed: 12/16/2022]
Abstract
Previous reports demonstrate that metformin, an anti-diabetic drug, can decrease the risk of cancer and inhibit cancer cell growth. However, its mechanism in cancer cells is still unknown. Metformin significantly blocks cell cycle and inhibits cell proliferation and colony formation of leukemic cells. However, the apoptotic response to metformin varies. Furthermore, daily treatment with metformin induces apoptosis and reduces tumor growth in vivo. While metformin induces early and transient activation of AMPK, inhibition of AMPKα1/2 does not abrogate anti-proliferative or pro-apoptotic effects of metformin. Metformin decreases electron transport chain complex I activity, oxygen consumption and mitochondrial ATP synthesis, while stimulating glycolysis for ATP and lactate production, pentose phosphate pathway for purine biosynthesis, fatty acid metabolism, as well as anaplerotic and mitochondrial gene expression. Importantly, leukemic cells with high basal AKT phosphorylation, glucose consumption or glycolysis exhibit a markedly reduced induction of the Pasteur effect in response to metformin and are resistant to metformin-induced apoptosis. Accordingly, glucose starvation or treatment with deoxyglucose or an AKT inhibitor induces sensitivity to metformin. Overall, metformin elicits reprogramming of intermediary metabolism leading to inhibition of cell proliferation in all leukemic cells and apoptosis only in leukemic cells responding to metformin with AKT phosphorylation and a strong Pasteur effect.
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Affiliation(s)
- S Scotland
- INSERM, U1037, Cancer Research Center of Toulouse, CHU Purpan, Toulouse, France
- Université de Paul Sabatier, Toulouse III, Toulouse, France
| | - E Saland
- INSERM, U1037, Cancer Research Center of Toulouse, CHU Purpan, Toulouse, France
- Université de Paul Sabatier, Toulouse III, Toulouse, France
| | - N Skuli
- INSERM, U1037, Cancer Research Center of Toulouse, CHU Purpan, Toulouse, France
- Université de Paul Sabatier, Toulouse III, Toulouse, France
| | - F de Toni
- INSERM, U1037, Cancer Research Center of Toulouse, CHU Purpan, Toulouse, France
- Université de Paul Sabatier, Toulouse III, Toulouse, France
| | - H Boutzen
- INSERM, U1037, Cancer Research Center of Toulouse, CHU Purpan, Toulouse, France
- Université de Paul Sabatier, Toulouse III, Toulouse, France
| | - E Micklow
- Department of Medicine, Division of Hematology & Oncology, University of Pennsylvania, Philadelphia, PA, USA
| | - I Sénégas
- Sanofi R&D, Early-to-Candidate Unit, Toulouse, France
| | - R Peyraud
- Université de Toulouse, INSA, UPS, INP, LISBP, Toulouse, France
- INRA, UMR792, Ingénierie des Systèmes Biologiques et des Procédés, Toulouse, France
| | - L Peyriga
- Université de Toulouse, INSA, UPS, INP, LISBP, Toulouse, France
- INRA, UMR792, Ingénierie des Systèmes Biologiques et des Procédés, Toulouse, France
- CNRS, UMR5504, Toulouse, France
| | - F Théodoro
- CEA/DSV/iBiTec-S/SPI, Bâtiment 136, CEA/Saclay, Gif-sur-Yvette, Fontenay-aux-Roses, France
| | - E Dumon
- Institut de Biochimie et Génétique Cellulaires, CNRS UMR 5095, Université de Bordeaux, Bordeaux, France
| | - Y Martineau
- INSERM, U1037, Cancer Research Center of Toulouse, CHU Purpan, Toulouse, France
- Université de Paul Sabatier, Toulouse III, Toulouse, France
| | - G Danet-Desnoyers
- Department of Medicine, Division of Hematology & Oncology, University of Pennsylvania, Philadelphia, PA, USA
| | - F Bono
- Sanofi R&D, Early-to-Candidate Unit, Toulouse, France
| | - C Rocher
- Institut de Biochimie et Génétique Cellulaires, CNRS UMR 5095, Université de Bordeaux, Bordeaux, France
| | - T Levade
- INSERM, U1037, Cancer Research Center of Toulouse, CHU Purpan, Toulouse, France
- Université de Paul Sabatier, Toulouse III, Toulouse, France
| | - S Manenti
- INSERM, U1037, Cancer Research Center of Toulouse, CHU Purpan, Toulouse, France
- Université de Paul Sabatier, Toulouse III, Toulouse, France
| | - C Junot
- CEA/DSV/iBiTec-S/SPI, Bâtiment 136, CEA/Saclay, Gif-sur-Yvette, Fontenay-aux-Roses, France
| | - J-C Portais
- Université de Toulouse, INSA, UPS, INP, LISBP, Toulouse, France
- INRA, UMR792, Ingénierie des Systèmes Biologiques et des Procédés, Toulouse, France
- CNRS, UMR5504, Toulouse, France
| | - N Alet
- Sanofi R&D, Early-to-Candidate Unit, Toulouse, France
| | - C Récher
- INSERM, U1037, Cancer Research Center of Toulouse, CHU Purpan, Toulouse, France
- Université de Paul Sabatier, Toulouse III, Toulouse, France
- Service d’Hématologie, CHU de Toulouse, Hôpital Purpan, Toulouse, France
| | - MA Selak
- Department of Medicine, Division of Hematology & Oncology, University of Pennsylvania, Philadelphia, PA, USA
| | - M Carroll
- Department of Medicine, Division of Hematology & Oncology, University of Pennsylvania, Philadelphia, PA, USA
| | - J-E Sarry
- INSERM, U1037, Cancer Research Center of Toulouse, CHU Purpan, Toulouse, France
- Université de Paul Sabatier, Toulouse III, Toulouse, France
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Williamson B, Howie-Esquivel J, Carroll M, Brinker E, Garbez R, Dracup K. Mortality and Utilization of Palliative Care in Hospitalized Heart Failure Patients. Heart Lung 2013. [DOI: 10.1016/j.hrtlng.2013.06.019] [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: 10/26/2022]
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Mortimer JE, Conti P, Shan T, Carroll M, Kofi P, Colcher D, Raubitschek AA, Bading JR, Miles J. Abstract P2-05-10: 64Cu-DOTA-trastuzumab positron emission tomography imaging of HER2 in women with advanced breast cancer. Cancer Res 2012. [DOI: 10.1158/0008-5472.sabcs12-p2-05-10] [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
Background: We propose to utilize64Cu-DOTA-trastuzumab with PET imaging to assess the in vivo expression of HER2 in women with advanced breast cancer. We hypothesized that the uptake of HER2 in normal tissues compromises the quality of radiographic images and that the pre-administration of trastuzumab prior to injection of64Cu-DOTA-trastuzumab would improve image quality. Two different doses of cold trastuzumab (5 mg and 50 mg) were tested. Once the dose of cold trastuzumab was established in women with documented HER2 positive metastatic disease, we initiated a second study of64Cu-DOTA-trastuzumab PET imaging in women whose cancers were HER2 1+ and 2+ by immunohistochemical staining.
Methods: Patients with biopsy confirmation of recurrent disease located outside the breast and axilla considered for study. Complete staging workup included CT of the chest, abdomen, and pelvis, bone scintigraphy and18F FDG PET. At lease 1 non-hepatic site of metastasis that was > 2 cm separate from the biopsy site was also required. HER2 status was assessed by both IHC and FISH. In the first study all patients were required to have HER2 positive disease and could not have received anti-HER therapy for > 2 months. Immediately prior to injection of64Cu-DOTA-trastuzumab, a cold dose of either 5 mg or 50 mg of trastuzumab was administered.64Cu-DOTA-trastuzumab PET imaging was performed at 24 and 48 hours.
Results: Eight women with HER2 positive metastatic breast cancer have undergone64Cu-DOTA-trastuzumab PET imaging: 2 received a pre-64Cu-DOTA-trastuzumab PET dose of 5 mg trastuzumab and 6 received 50 mg.64Cu-DOTA-trastuzumab PET effectively visualized and provided uptake measurements for presumably HER2+ metastatic lesions in bone, liver, lung and, to a lesser degree, lymph nodes. The 50 mg dose resulted in approximately 75% decrease in liver uptake of64Cu and improved the visualization of hepatic metastasis. We have initiated the second phase of the study utilizing the pre-administration of 50 mg trastuzumab in women with HER2 1+ and 2 + disease. To date we have imaged one patient.
Conclusion:64Cu-DOTA-trastuzumab PET imaging is feasible and image quality is improved with the pre-administration of 50 mg trastuzumab. Enrollment of women with IHC 1+ and 2+ disease continues. This work was supported by the Department of Defense grant # 1024511.
Citation Information: Cancer Res 2012;72(24 Suppl):Abstract nr P2-05-10.
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Affiliation(s)
- JE Mortimer
- City of Hope Cancer Center/Beckman Research Institute, Duarte, CA; USC, Los Angeles, CA
| | - P Conti
- City of Hope Cancer Center/Beckman Research Institute, Duarte, CA; USC, Los Angeles, CA
| | - T Shan
- City of Hope Cancer Center/Beckman Research Institute, Duarte, CA; USC, Los Angeles, CA
| | - M Carroll
- City of Hope Cancer Center/Beckman Research Institute, Duarte, CA; USC, Los Angeles, CA
| | - P Kofi
- City of Hope Cancer Center/Beckman Research Institute, Duarte, CA; USC, Los Angeles, CA
| | - D Colcher
- City of Hope Cancer Center/Beckman Research Institute, Duarte, CA; USC, Los Angeles, CA
| | - AA Raubitschek
- City of Hope Cancer Center/Beckman Research Institute, Duarte, CA; USC, Los Angeles, CA
| | - JR Bading
- City of Hope Cancer Center/Beckman Research Institute, Duarte, CA; USC, Los Angeles, CA
| | - J Miles
- City of Hope Cancer Center/Beckman Research Institute, Duarte, CA; USC, Los Angeles, CA
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Manchester AC, Hill S, Sabatino B, Armentano R, Carroll M, Kessler B, Miller M, Dogan B, McDonough SP, Simpson KW. Association between granulomatous colitis in French Bulldogs and invasive Escherichia coli and response to fluoroquinolone antimicrobials. J Vet Intern Med 2012. [PMID: 23206120 DOI: 10.1111/jvim.12020] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND French Bulldogs develop a form of granulomatous colitis (GC) with histopathological resemblance to GC of Boxer dogs (GCB). GCB is associated with mucosally invasive Escherichia coli whose eradication correlates with clinical remission. HYPOTHESIS/OBJECTIVES To characterize the clinical and histopathological features, presence or absence of invasive colonic bacteria, and response to fluoroquinolones in French Bulldogs with GC. ANIMALS A total of 6 French Bulldogs with a histological diagnosis of GC. METHODS Retrospective study of medical records. Bacterial colonization was evaluated using 16S rRNA probes for eubacteria and E. coli. Biopsy specimens from 3 dogs were cultured for bacteria. Clinical response to fluoroquinolone antimicrobials was determined. RESULTS All dogs were ≤1 year of age with hematochezia that was refractory to empirical therapy. Clinicopathologic and fecal analysis did not reveal abnormalities. Abdominal ultrasound revealed patchy thickening of the colon in 4/5 dogs and regional lymphadenopathy in 5/5. Colonoscopic abnormalities included irregularly thickened and ulcerated mucosa, hyperemia, and overt bleeding in 4/6 cases. Multifocal accumulations of PAS-positive macrophages and intramucosal E. coli were present in colonic biopsies of all 6 dogs. Administration of enrofloxacin (5/6) or marbofloxacin (1/6) at 4.4-10 mg/kg (median 10 mg/kg) PO q24h for 6-10 weeks was associated with clinical improvement within 5-14 days. All dogs remained in remission over a 3-30 month follow-up period. CONCLUSIONS Granulomatous colitis in young French Bulldogs is associated with the presence of invasive E. coli and closely parallels GCB. Treatment with fluoroquinolone antimicrobials can induce lasting clinical remission.
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Affiliation(s)
- A C Manchester
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA.
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Atkinson B, Latham J, Chamberlain J, Logue C, O'Donoghue L, Osborne J, Carson G, Brooks T, Carroll M, Jacobs M, Hopkins S, Hewson R. Sequencing and phylogenetic characterisation of a fatal Crimean - Congo haemorrhagic fever case imported into the United Kingdom, October 2012. Euro Surveill 2012; 17:20327. [PMID: 23218389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023] Open
Abstract
A patient with fever, and haemorrhagic symptoms was admitted to a hospital in Glasgow on 2 October 2012. Since he had returned from Afghanistan, serum samples were sent for diagnosis at the Rare and Imported Pathogens Laboratory, where a real-time reverse transcriptase-PCR diagnosis of Crimean – Congo haemorrhagic fever was made within 3 hrs after receipt of the sample. Hereafter the patient was transferred to a high-security infectious diseases unit in London but died on 6 October.
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Affiliation(s)
- B Atkinson
- Microbiology Services Division, Health Protection Agency, Salisbury, United Kingdom
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Atkinson B, Latham J, Chamberlain J, Logue C, O'Donoghue L, Osborne J, Carson G, Brooks T, Carroll M, Jacobs M, Hopkins S, Hewson R. Sequencing and phylogenetic characterisation of a fatal Crimean – Congo haemorrhagic fever case imported into the United Kingdom, October 2012. Euro Surveill 2012. [DOI: 10.2807/ese.17.48.20327-en] [Citation(s) in RCA: 25] [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: 11/20/2022] Open
Abstract
Binary file ES_Abstracts_Final_ECDC.txt matches
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Affiliation(s)
- B Atkinson
- Microbiology Services Division, Health Protection Agency, Porton Down, Salisbury, United Kingdom
| | - J Latham
- Microbiology Services Division, Health Protection Agency, Porton Down, Salisbury, United Kingdom
| | - J Chamberlain
- Microbiology Services Division, Health Protection Agency, Porton Down, Salisbury, United Kingdom
| | - C Logue
- Microbiology Services Division, Health Protection Agency, Porton Down, Salisbury, United Kingdom
| | - L O'Donoghue
- Microbiology Services Division, Health Protection Agency, Porton Down, Salisbury, United Kingdom
| | - J Osborne
- Microbiology Services Division, Health Protection Agency, Porton Down, Salisbury, United Kingdom
| | - G Carson
- Microbiology Services Division, Health Protection Agency, Porton Down, Salisbury, United Kingdom
| | - T Brooks
- Microbiology Services Division, Health Protection Agency, Porton Down, Salisbury, United Kingdom
| | - M Carroll
- Microbiology Services Division, Health Protection Agency, Porton Down, Salisbury, United Kingdom
| | - M Jacobs
- High Security Infectious Disease Unit, Royal Free Hospital, London, United Kingdom
| | - S Hopkins
- High Security Infectious Disease Unit, Royal Free Hospital, London, United Kingdom
| | - R Hewson
- Microbiology Services Division, Health Protection Agency, Porton Down, Salisbury, United Kingdom
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Affiliation(s)
- M Sugita
- Division of Hematology and Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
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Lee DW, Futami M, Carroll M, Feng Y, Wang Z, Fernandez M, Whichard Z, Chen Y, Kornblau S, Shpall EJ, Bueso-Ramos CE, Corey SJ. Loss of SHIP-1 protein expression in high-risk myelodysplastic syndromes is associated with miR-210 and miR-155. Oncogene 2012; 31:4085-94. [PMID: 22249254 DOI: 10.1038/onc.2011.579] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The myelodysplastic syndromes (MDSs) comprise a group of disorders characterized by multistage progression from cytopenias to acute myeloid leukemia (AML). They display exaggerated apoptosis in early stages, but lose this behavior during evolution to AML. The molecular basis for loss of apoptosis is unknown. To investigate this critical event, we analyzed phosphatidylinositol (PI) 3'kinase signaling, implicated as a critical pathway of cell survival control in epithelial and hematological malignancies. PI 3'kinase activates Akt through its production of 3' phosphoinositides. In turn, the phosphoinositides are dephosphorylated by two lipid phosphatases, PTEN and SHIP-1, in myeloid cells. We studied primary MDS-enriched bone marrow cells and bone marrow sections by western blotting, immunohistochemistry, immunocytochemistry and quantitative PCR for components of the SHIP/PTEN/PI 3'kinase signaling circuit. We reported constitutively activated Akt, variable levels of PTEN and uniformly decreased SHIP-1 expression in MDS progenitor cells. Overexpression of SHIP-1, but not the phosphatase-deficient form, inhibited myeloid leukemic growth. Levels of microRNA (miR)-210 and miR-155 transcripts, which target SHIP-1, were increased in CD34(+) MDS cells compared with their normal counterparts. Direct binding of miR-210 to the 3' untranslated region of SHIP-1 was confirmed by luciferase reporter assay. Transfection of a myeloid cell line with miR-210 resulted in loss of SHIP-1 protein expression. These data suggest that miR-155 and miR-210/SHIP-1/Akt pathways could serve as clinical biomarkers for disease progression, and that miR-155 and miR-210 might serve as novel therapeutic targets in MDS.
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Affiliation(s)
- D W Lee
- Division of Pediatrics, University of Texas-MD Anderson Cancer Center, Houston, TX, USA
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