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Sarr I, Jarju S, kebbeh N, Sey G, Saidykhan M, Thomas G, Secka F, Antonio M, Bojang K. The impact of pre-hospital antibiotics on blood culture yields in a low resource setting. Int J Infect Dis 2016. [DOI: 10.1016/j.ijid.2016.02.206] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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77
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Thomas G, Cook TM. The United Kingdom National Audit Projects: a narrative review. SOUTHERN AFRICAN JOURNAL OF ANAESTHESIA AND ANALGESIA 2016. [DOI: 10.1080/22201181.2016.1154290] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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78
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Quévrain E, Maubert MA, Michon C, Chain F, Marquant R, Tailhades J, Miquel S, Carlier L, Bermúdez-Humarán LG, Pigneur B, Lequin O, Kharrat P, Thomas G, Rainteau D, Aubry C, Breyner N, Afonso C, Lavielle S, Grill JP, Chassaing G, Chatel JM, Trugnan G, Xavier R, Langella P, Sokol H, Seksik P. Identification of an anti-inflammatory protein from Faecalibacterium prausnitzii, a commensal bacterium deficient in Crohn's disease. Gut 2016; 65:415-425. [PMID: 26045134 PMCID: PMC5136800 DOI: 10.1136/gutjnl-2014-307649] [Citation(s) in RCA: 480] [Impact Index Per Article: 60.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Accepted: 05/21/2015] [Indexed: 12/13/2022]
Abstract
BACKGROUND Crohn's disease (CD)-associated dysbiosis is characterised by a loss of Faecalibacterium prausnitzii, whose culture supernatant exerts an anti-inflammatory effect both in vitro and in vivo. However, the chemical nature of the anti-inflammatory compounds has not yet been determined. METHODS Peptidomic analysis using mass spectrometry was applied to F. prausnitzii supernatant. Anti-inflammatory effects of identified peptides were tested in vitro directly on intestinal epithelial cell lines and on cell lines transfected with a plasmid construction coding for the candidate protein encompassing these peptides. In vivo, the cDNA of the candidate protein was delivered to the gut by recombinant lactic acid bacteria to prevent dinitrobenzene sulfonic acid (DNBS)-colitis in mice. RESULTS The seven peptides, identified in the F. prausnitzii culture supernatants, derived from a single microbial anti-inflammatory molecule (MAM), a protein of 15 kDa, and comprising 53% of non-polar residues. This last feature prevented the direct characterisation of the putative anti-inflammatory activity of MAM-derived peptides. Transfection of MAM cDNA in epithelial cells led to a significant decrease in the activation of the nuclear factor (NF)-κB pathway with a dose-dependent effect. Finally, the use of a food-grade bacterium, Lactococcus lactis, delivering a plasmid encoding MAM was able to alleviate DNBS-induced colitis in mice. CONCLUSIONS A 15 kDa protein with anti-inflammatory properties is produced by F. prausnitzii, a commensal bacterium involved in CD pathogenesis. This protein is able to inhibit the NF-κB pathway in intestinal epithelial cells and to prevent colitis in an animal model.
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Conzo G, Tartaglia E, Gambardella C, Esposito D, Sciascia V, Mauriello C, Nunziata A, Siciliano G, Izzo G, Cavallo F, Thomas G, Musella M, Santini L. Minimally invasive approach for adrenal lesions: Systematic review of laparoscopic versus retroperitoneoscopic adrenalectomy and assessment of risk factors for complications. Int J Surg 2015; 28 Suppl 1:S118-23. [PMID: 26708860 DOI: 10.1016/j.ijsu.2015.12.042] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2015] [Revised: 04/18/2015] [Accepted: 05/10/2015] [Indexed: 02/06/2023]
Abstract
In the last decades, minimally invasive transperitoneal laparoscopic adrenalectomy has become the standard of care for surgical resection of the adrenal gland tumors. Recently, however, adrenalectomy by a mininvasive retroperitoneal approach has reached increasingly popularity as alternative technique. Short hospitalization, lower postoperative pain and decrease of complications and a better cosmetic resolution are the main advantages of these innovative techniques. In order to determine the better surgical management of adrenal neoplasms, the Authors analyzed and compared the feasibility and the postoperative complications of minimally invasive adrenalectomy approaches. A systematic research of the English literature, including major meta-analysis articles, clinical randomized trials, retrospective studies and systematic reviews was performed, comparing laparoscopic transperitoneal adrenalectomy versus retroperitoneoscopic adrenalectomy. Many studies support that posterior retroperitoneal adrenalectomy is superior or at least comparable to laparoscopic transperitoneal adrenalectomy in operation time, pain score, blood loss, hospitalization, complications rates and return to normal activity. However, laparoscopic transperitoneal adrenalectomy is up to now a safe and standardized procedure with a shorter learning curve and a similar low morbidity rate, even for tumors larger than 6 cm. Nevertheless, further studies are needed to objectively evaluate these techniques, excluding selection bias and bias related to differences in surgeons' experiences with this approaches.
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Thomas G. Revisiting the role of radiation treatment for non-serous subtypes of epithelial ovarian cancer. AMERICAN SOCIETY OF CLINICAL ONCOLOGY EDUCATIONAL BOOK. AMERICAN SOCIETY OF CLINICAL ONCOLOGY. ANNUAL MEETING 2015. [PMID: 23714503 DOI: 10.1200/edbook_am.2013.33.e205] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Except for its palliative use, radiation has been largely abandoned in the management of ovarian cancers because of the recognized efficacy of chemotherapy agents. Whole abdominal irradiation (WAR), however, has been shown to be of adjuvant and curative value in ovarian cancer with microscopic or minimal residual disease in the pelvis, the so-called "intermediate risk group." Recent hypothesis generating data from the use of adjuvant radiation following adjuvant chemotherapy in ovarian cancer has shown an incremental survival benefit for the rarer non-serous ovarian subtypes including clear cell, endometrioid, and mucinous. No incremental benefit was observed for the more common serous subtype. A retrospective examination of early trials using WAR as the sole postoperative treatment in ovarian cancer has determined that the majority of patients in these studies and cured by radiation actually had the non-serous subtypes. The recognition that the non-serous subtypes differ from the serous cancers in their stage of presentation, their molecular characteristics, their response to classic chemotherapy, and their outcomes suggest the non-serous subtypes should be treated as rare and different cancers. In addition to specific targeting therapies that may be developed, radiation should be reconsidered as part of the treatment armamentarium for these diseases.
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Frontera A, Johnson TW, Thomas G, Duncan E. Transcoronary ethanol ablation for incessant ventricular tachycardia: a salvage technique when faced with left ventricular thrombus. Neth Heart J 2015; 23:555-6. [PMID: 26353765 PMCID: PMC4608922 DOI: 10.1007/s12471-015-0746-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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82
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Mariano Z, Angaran P, Thomas G, Cazes J, Zou L, Mangat I, Dorian P. ARE THERE GENDER DIFFERENCES IN GUIDELINE-BASED STROKE PREVENTION MANAGEMENT AND OUTCOMES IN HIGH RISK ATRIAL FIBRILLATION PATIENTS PRESENTING TO AN ACADEMIC HOSPITAL? Can J Cardiol 2015. [DOI: 10.1016/j.cjca.2015.07.229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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83
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Guervilly C, Lehingue S, Dizier S, Zieleskiewics L, Hraiech S, D'journo XB, Thomas G, Klazen F, Adda M, Roch A, Forel JM, Thomas P, Leone M, Papazian L. Extra vascular lung water but not lung ultrasound predicts grade 3 pulmonary graft dysfunction and utilization of rescue therapies for severe hypoxemia after lung transplantation. Intensive Care Med Exp 2015. [PMCID: PMC4796213 DOI: 10.1186/2197-425x-3-s1-a233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
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84
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Wilson D, Hyde E, Wilson D, Claridge S, Leong K, Salciccioli J, Conroy R, Ganesha Babu G, Scott P, Manupati S, Lazdam M, Leventogiannis G, Barr C, Morgan J, Plank G, Rinaldi C, Niederer S, Zeljko H, Leventopoulos G, Ahmed N, Thomas G, Duncan E, Rodderick P, Morgan J, Chen Z, Jackson T, Behar J, Ali M, Bostock J, Lumley M, Williams R, Assress K, De Silva K, Gill J, Perera D, Rinaldi C, Ng F, Kanapeckaite L, Hu M, Roney C, Lim P, Harding S, Peters N, Varnava A, Kanagaratnam P, Marshall D, Sykes M, Lim P, Lee S, Rotheram N, Macedo A, Cobb V, Providencia R, Srinivasan N, Ahsan S, Chow A, Murgatroyd F, Silberbauer J, Hooper J, Zaman M, Yao Z, Zaidi A, Ahmed F, Virdee M, Heck P, Agarwal S, Lee J, Grace A, Begley D, Fynn S. Posters 2. Europace 2015; 17:v22-v25. [PMCID: PMC4892099 DOI: 10.1093/europace/euv330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2023] Open
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85
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Cunningham S, Hall A, Jackson A, Jarrett-Smith L, Rees P, Brennan C, Saeed Y, Ng F, Kirkwood G, Orini M, Lambiase P, Srinivasan N, Walker N, Wright G, Goodwin J, Reilly J, Connelly D, Mudd P, Wilson C, Rice A, Iglesias A, Taggart S, James S, Thornley A, Turley A, Linker N, Rashid-Fadel T, Bond R, Rosengarten J, Thomas G, Butcher C, Lysitsas D, Wong T, Markides V, Jones D, Hussain W, Gilmore M, Barry J, Srinivasan N, Patel K, Lowe M, Segal O, Temple I, Borbas Z, Atkinson A, Yanni J, Yanni J, Boyett M, Garratt C, Dobrzynski H, Roney C, Debney M, Eichhorn C, Nachiappan A, Qureshi N, Chowdhury R, Kanagaratnam P, Lyon A, Peters N, Lawless M, Pearman C, Radcliffe E, Caldwell J, Trafford A, Taggart P, Hanson B, Hayward M, Lambiase PD, Yanni J, Orini M, Hanson B, Hayward M, Smith A, Zhang H, Dobrzynski H, Boyett M, Taggart P, Orini M, Simon R, Providencia R, Babu G, Vyas S, Khan F, Chow T, Segal O, Lowe M, Lambiase P. Allied Professionals. Europace 2015; 17:v3-v5. [PMCID: PMC4892104 DOI: 10.1093/europace/euv325] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2023] Open
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86
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Rahman MM, Stevanovic S, Islam MA, Heimann K, Nabi MN, Thomas G, Feng B, Brown RJ, Ristovski ZD. Particle emissions from microalgae biodiesel combustion and their relative oxidative potential. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2015; 17:1601-1610. [PMID: 26238214 DOI: 10.1039/c5em00125k] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Microalgae are considered to be one of the most viable biodiesel feedstocks for the future due to their potential for providing economical, sustainable and cleaner alternatives to petroleum diesel. This study investigated the particle emissions from a commercially cultured microalgae and higher plant biodiesels at different blending ratios. With a high amount of long carbon chain lengths fatty acid methyl esters (C20 to C22), the microalgal biodiesel used had a vastly different average carbon chain length and level of unsaturation to conventional biodiesel, which significantly influenced particle emissions. Smaller blend percentages showed a larger reduction in particle emission than blend percentages of over 20%. This was due to the formation of a significant nucleation mode for the higher blends. In addition measurements of reactive oxygen species (ROS), showed that the oxidative potential of particles emitted from the microalgal biodiesel combustion were lower than that of regular diesel. Biodiesel oxygen content was less effective in suppressing particle emissions for biodiesels containing a high amount of polyunsaturated C20-C22 fatty acid methyl esters and generated significantly increased nucleation mode particle emissions. The observed increase in nucleation mode particle emission is postulated to be caused by very low volatility, high boiling point and high density, viscosity and surface tension of the microalgal biodiesel tested here. Therefore, in order to achieve similar PM (particulate matter) emission benefits for microalgal biodiesel likewise to conventional biodiesel, fatty acid methyl esters (FAMEs) with high amounts of polyunsaturated long-chain fatty acids (≥C20) may not be desirable in microalgal biodiesel composition.
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McNeice A, Thomas G, Hanratty C. 4 Complex PCI across the belfast trust over a 2 year period: Abstract 4 Table 1. BRITISH HEART JOURNAL 2015. [DOI: 10.1136/heartjnl-2015-308621.4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Thomas G, Hraiech S, Loundou A, Truwit J, Kruger P, Mcauley DF, Papazian L, Roch A. Statin therapy in critically-ill patients with severe sepsis: a review and meta-analysis of randomized clinical trials. Minerva Anestesiol 2015; 81:921-930. [PMID: 25690048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
UNLABELLED While statins are indicated to reduce blood cholesterol levels, they also have anti-inflammatory and immunomodulatory effects. Several observational cohort studies suggested that statins may improve survival and reduce complications in patients with sepsis. Recent randomized controlled studies in critically ill patients have been conducted and published. In this paper we present a meta-analysis of these randomized trials. METHODS An electronic article search through PubMed was performed. Only randomized controlled trials including critically ill adult patients with severe sepsis were retained. A meta-analysis was performed as detailed in text below. Overall analysis including 1818 patients total from 4 studies showed that there was no difference in 60-day mortality between statins (223/903) and placebo (233/899) [risk ratio, 0.930; 95% CI, 0.722 to 1.198]. Similarly, no difference in 28-day mortality was observed between groups (statins 191/907, placebo 199/911; risk ratio 0.953; 95% CI, 0.715 to 1.271). The results of this meta-analysis confirm that the use of statin therapy should not be recommended in the management of severe sepsis in critically ill patients. Statins should be continued with caution and only if necessary, as one study reported that the statin group had a higher rate of hepatic and renal failure.
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Morya VK, Singh Y, Singh BK, Thomas G. Ecogenomics of Geminivirus from India and Neighbor Countries: An In Silico Analysis of Recombination Phenomenon. Interdiscip Sci 2015. [PMID: 26199210 DOI: 10.1007/s12539-015-0020-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Recombination is one of the keys factor in evolutionary processes, involved in shaping the architecture of genomes and consequent phenotype. Understanding the recombination phenomenon especially among viruses will help in disease management. The present study aimed for in-silico analysis of recombination phenomenon among Begomoviruses, particularly emphasizing on viruses strains reported from India and neighboring countries. A total of 956 virus sequences have been used in this study. The Tomato yellow leaf curl China viruses, namely [Formula: see text] and [Formula: see text] were identified with the highest number of recombination event (1273). However, the Mung bean yellow mosaic India virus [Formula: see text] was found to have 1170 recombination event. The phylogenic analysis among the highly recombinant sequences was carried to get an insight of the evolution among viral sequences in this class of plant viruses. The phylogenetic analysis revealed a pattern in diversity among these virus strains and a split tree analysis showed diversity in the range of 0.049128335-10.269852. This in silico analysis may pave way for a greater understanding of recombination phenomenon in geminiviruses and it might be helpful for strategic plant viral disease management.
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Frontera A, Wilson DG, Sekhon H, Duncan ER, Thomas G. Atrial fibrillation and hypertrophic cardiomyopathy: who to anticoagulate? Clin Res Cardiol 2015; 104:799-802. [PMID: 26133157 DOI: 10.1007/s00392-015-0876-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2015] [Accepted: 06/01/2015] [Indexed: 10/23/2022]
Abstract
Hypertrophic cardiomyopathy (HCM) is one of the most common genetic cardiac conditions. Atrial fibrillation (AF) has been demonstrated to be the most frequent arrhythmia encountered in HCM patients. Research focusing on AF and embolic stroke in HCM patients has been sparse and the sample size of most studies is small. The prognostic significance of AF in HCM patients is still not well known. The aim of this article is to provide further understanding of the anti-coagulation requirement of HCM patients with AF.
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Wilson DG, Ahmed N, Nolan R, Frontera A, Thomas G, Duncan ER. Implantable cardioverter defibrillators in octogenarians: clinical outcomes from a single center. Indian Pacing Electrophysiol J 2015; 15:4-14. [PMID: 25852237 PMCID: PMC4380689 DOI: 10.1016/s0972-6292(16)30836-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
AIMS Limited data exist on outcomes in very elderly ICD recipients. We describe outcomes in new ICD and Cardiac Resynchronisation Therapy with Defibrillator (CRT-D) implants in octogenarians at our institution. METHODS Patients aged 80 years and above who underwent de novo ICD or CRT-D implantation from January 2006 to July 2012 were identified. Clinical data were collected from the procedural record, medical and ICD notes. Baseline characteristics were compared using independent sample t test for continuous variables and Fisher's exact test for categorical variables. Kaplan-Meier curves were constructed. RESULTS Ten per cent of all new ICD/CRT-D implants were aged 80 years and over. Median age was 83.0 years. Median follow-up was 29 months. Death occurred in 17 (34%). Median time to death was 23 months. Three deaths (6%) occurred within 12 months of ICD implantation. Appropriate therapy (ATP or shock) occurred in 19 (38%). Inappropriate therapy occurred in 6 (12%). Rates of appropriate shocks and inappropriate therapy (shocks and ATP) and significant valvular incompetence were higher amongst deceased patients (P=0.03 OR 5.9 95% CI 1.3-27) and (P=0.02 OR 12 95% CI 1.3-112). Univariate analysis identified diuretic use (P=0.008 95% C.I. 0.05 to 0.63) and appropriate shock (P= 0.025 95% C.I. 1.25 to 26.3) as predictors of mortality. CONCLUSION Octogenarians make up a small but increasing number of ICD recipients. This study highlights high survival rates at one year with acceptable rates of appropriate and inappropriate device therapy. Ongoing debate regarding the appropriateness of ICD in very elderly patients is warranted.
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Temprano I, Thomas G, Haq S, Dyer MS, Latter EG, Darling GR, Uvdal P, Raval R. 1D self-assembly of chemisorbed thymine on Cu(110) driven by dispersion forces. J Chem Phys 2015; 142:101916. [DOI: 10.1063/1.4907721] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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93
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Wise-Draper T, Moorthy G, Salkeni M, Thomas H, Mercer C, Kozma S, Thomas G, Rixe O, Desai P, Morris J, Olowokure O. A Dose Escalation Single Arm Phase Ib Combination Study of BEZ235 with Everolimus in Patients with Advanced Solid Malignancies. Ann Oncol 2015. [DOI: 10.1093/annonc/mdv090.13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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94
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Walter H, Law A, Bunn C, Nicoll R, Sridhar T, Aznar-Garcia L, Thomas G, Ahmed S. 19: The impact of an acute oncology service on new lung cancer diagnoses. Lung Cancer 2015. [DOI: 10.1016/s0169-5002(15)50019-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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95
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Thomas G, Demoisson F, Heintz O, Geoffroy N, Saviot L, Millot N. Functionalized Fe3O4 nanoparticles: influence of ligand addition sequence and pH during their continuous hydrothermal synthesis. RSC Adv 2015. [DOI: 10.1039/c5ra17452j] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
New efficient ways to synthesize and modify in situ magnetite NPs are reported according to pH, concentration and addition sequence.
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Lobo CA, Kelly FE, Steynberg S, Thomas G, Pope C, Eveleigh M, Charlton M, Cook TM. Effective capnography training in the ICU using the 'hats and caps' training tool. Crit Care 2015. [PMCID: PMC4471094 DOI: 10.1186/cc14344] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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97
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Meyer B, Byrne M, Collier C, Parletta N, Crawford D, Winberg P, Webster D, Chapman K, Thomas G, Dally J, Batterham M, Farquhar I, Grant L. Baseline omega-3 index correlates with aggressive and attention deficit behaviours in adult prisoners. JOURNAL OF NUTRITION & INTERMEDIARY METABOLISM 2014. [DOI: 10.1016/j.jnim.2014.10.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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98
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Sawhney V, Diab I, Thomas G, Schilling RJ. Recurrent sepsis post-cardiac device removal. QJM 2014; 107:1009-10. [PMID: 24757094 DOI: 10.1093/qjmed/hcu091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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99
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Morya VK, Singh Y, Singh BK, Thomas G. Ecogenomics of Geminivirus from India and neighbor countries: An in silico analysis of recombination phenomenon. Interdiscip Sci 2014. [PMID: 25376873 DOI: 10.1007/s12539-014-0209-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2014] [Revised: 03/14/2014] [Accepted: 06/11/2014] [Indexed: 09/29/2022]
Abstract
Recombination is one of the keys factor in evolutionary processes, involved in shaping the architecture of genomes and consequent phenotype. Understanding the recombination phenomenon especially among viruses will help in disease management. The present study aimed for in-silico analysis of recombination phenomenon among Begomoviruses. Particularly emphasizing on viruses strains reported from India and neighboring countries. A total of 956 virus sequences have been used in this study. The Tomato yellow leaf curl China viruses, namely gi|29825986|; gi|283468151|; gi|190559151| and gi|61652782| were identified with the highest number of recombination event (1273). However, the Mung bean yellow mosaic India virus (gi|66351988|) was found to have 1170 recombination event. The phylogenic analysis among the highly recombinant sequences was carried to get an insight of the evolution among viral sequences in this class of plant viruses. The phylogenetic analysis revealed a pattern in diversity among these virus strains and a split tree analysis showed diversity in the range of 0.049128335 to 10.269852. This in silico analysis may pave way for a greater understanding of recombination phenomenon in Ggeminiviruses and it might be helpful for strategic plant viral disease management.
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Morya VK, Singh Y, Singh BK, Thomas G. Ecogenomics of Geminivirus from India and neighbor countries: An in silico analysis of recombination phenomenon. Interdiscip Sci 2014. [PMID: 25519153 DOI: 10.1007/s12539-014-0231-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2014] [Revised: 03/14/2014] [Accepted: 06/11/2014] [Indexed: 12/01/2022]
Abstract
Recombination is one of the keys factor in evolutionary processes, involved in shaping the architecture of genomes and consequent phenotype. Understanding the recombination phenomenon especially among viruses will help in disease management. The present study aimed for in-silico analysis of recombination phenomenon among Begomoviruses. Particularly emphasizing on viruses strains reported from India and neighboring countries. A total of 956 virus sequences have been used in this study. The Tomato yellow leaf curl China viruses, namely gi|29825986|; gi|283468151|; gi|190559151| and gi|61652782| were identified with the highest number of recombination event (1273). However, the Mung bean yellow mosaic India virus (gi|66351988|) was found to have 1170 recombination event. The phylogenic analysis among the highly recombinant sequences was carried to get an insight of the evolution among viral sequences in this class of plant viruses. The phylogenetic analysis revealed a pattern in diversity among these virus strains and a split tree analysis showed diversity in the range of 0.049128335 to 10.269852. This in silico analysis may pave way for a greater understanding of recombination phenomenon in Ggeminiviruses and it might be helpful for strategic plant viral disease management.
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