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Ansari S, Mazaheri T, O'Donnell K, Waite M, Cann A, Abdel-Malek M, Boyle L, Tweedlie L, Scholtz S, Hameed S, Izzi-Engbeaya C, Chahal H, Tan T. Time to unshackle the medical treatment of obesity in the NHS. Clin Med (Lond) 2024:100206. [PMID: 38643826 DOI: 10.1016/j.clinme.2024.100206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Accepted: 03/24/2024] [Indexed: 04/23/2024]
Abstract
Obesity affects 1 in 4 people in the United Kingdom and costs the National Health Service (NHS) ∼£6.5 billion annually. The glucagon-like peptide-1 (GLP-1) receptor analogues, such as once-daily subcutaneous Liraglutide 3.0 mg (Saxenda®) and once-weekly subcutaneous Semaglutide 2.4 mg (Wegovy®), were approved by the National Institute of Clinical Excellence (NICE) as a treatment for obesity and funded by the NHS for 2 years. Our local data shows that Saxenda is effective at reducing bodyweight and glycaemia in people with obesity and diabetes however, the supply issues of GLP-1 receptor analogues has contributed to the unavailability of Saxenda and Wegovy in our service. Our patients are devastated that they cannot access NICE-approved GLP-1 receptor analogues for obesity. The 2-year GLP-1 receptor analogue treatment limit for obesity alongside a lack of funded NHS services and supply issues represent barriers to treatment for people living with obesity who have clear medical indications.
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Affiliation(s)
- Saleem Ansari
- Imperial Weight Centre, Imperial College Healthcare NHS Trust, London, W2 1NY; Department of Metabolism, Digestion and Reproduction, Imperial College London, London, W12 0NN
| | - Tina Mazaheri
- Imperial Weight Centre, Imperial College Healthcare NHS Trust, London, W2 1NY
| | - Karen O'Donnell
- Imperial Weight Centre, Imperial College Healthcare NHS Trust, London, W2 1NY
| | - Matthew Waite
- Imperial Weight Centre, Imperial College Healthcare NHS Trust, London, W2 1NY
| | - Alexandra Cann
- Imperial Weight Centre, Imperial College Healthcare NHS Trust, London, W2 1NY
| | - Mariana Abdel-Malek
- Imperial Weight Centre, Imperial College Healthcare NHS Trust, London, W2 1NY; Department of Metabolism, Digestion and Reproduction, Imperial College London, London, W12 0NN
| | - Luke Boyle
- Imperial Weight Centre, Imperial College Healthcare NHS Trust, London, W2 1NY; Centre for Obesity, Guy's and St Thomas' NHS Foundation Trust, Great Maze Pond, London SE1 9RT
| | - Lucy Tweedlie
- Imperial Weight Centre, Imperial College Healthcare NHS Trust, London, W2 1NY; Psychological Medicine Department, West London NHS Health Trust, London UB2 4SD
| | - Samantha Scholtz
- Imperial Weight Centre, Imperial College Healthcare NHS Trust, London, W2 1NY; Department of Metabolism, Digestion and Reproduction, Imperial College London, London, W12 0NN; Psychological Medicine Department, West London NHS Health Trust, London UB2 4SD
| | - Saira Hameed
- Imperial Weight Centre, Imperial College Healthcare NHS Trust, London, W2 1NY; Department of Metabolism, Digestion and Reproduction, Imperial College London, London, W12 0NN
| | - Chioma Izzi-Engbeaya
- Imperial Weight Centre, Imperial College Healthcare NHS Trust, London, W2 1NY; Department of Metabolism, Digestion and Reproduction, Imperial College London, London, W12 0NN
| | - Harvinder Chahal
- Imperial Weight Centre, Imperial College Healthcare NHS Trust, London, W2 1NY
| | - Tricia Tan
- Imperial Weight Centre, Imperial College Healthcare NHS Trust, London, W2 1NY; Department of Metabolism, Digestion and Reproduction, Imperial College London, London, W12 0NN.
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Ansari S, Khoo B, Tan T. Targeting the incretin system in obesity and type 2 diabetes mellitus. Nat Rev Endocrinol 2024:10.1038/s41574-024-00979-9. [PMID: 38632474 DOI: 10.1038/s41574-024-00979-9] [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] [Accepted: 03/12/2024] [Indexed: 04/19/2024]
Abstract
Obesity and type 2 diabetes mellitus (T2DM) are widespread, non-communicable diseases that are responsible for considerable levels of morbidity and mortality globally, primarily in the form of cardiovascular disease (CVD). Changes to lifestyle and behaviour have insufficient long-term efficacy in most patients with these diseases; metabolic surgery, although effective, is not practically deliverable on the scale that is required. Over the past two decades, therapies based on incretin hormones, spearheaded by glucagon-like peptide 1 (GLP1) receptor agonists (GLP1RAs), have become the treatment of choice for obesity and T2DM, and clinical evidence now suggests that these agents have benefits for CVD. We review the latest advances in incretin-based pharmacotherapy. These include 'GLP1 plus' agents, which combine the known advantages of GLP1RAs with the activity of additional hormones, such as glucose-dependent insulinotropic peptide, glucagon and amylin, to achieve desired therapeutic goals. Second-generation non-peptidic oral GLP1RAs promise to extend the benefits of GLP1 therapy to those who do not want, or cannot have, subcutaneous injection therapy. We conclude with a discussion of the knowledge gaps that must be addressed before incretin-based therapies can be properly deployed for maximum benefit in the treatment of obesity and T2DM.
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Affiliation(s)
- Saleem Ansari
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
| | - Bernard Khoo
- Department of Endocrinology, Division of Medicine, Royal Free Campus, University College London, London, UK
| | - Tricia Tan
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK.
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Hope DCD, Ansari S, Choudhury S, Alexiadou K, Tabbakh Y, Ilesanmi I, Lazarus K, Davies I, Jimenez-Pacheco L, Yang W, Ball LJ, Malviya R, Reglinska B, Khoo B, Minnion J, Bloom SR, Tan TMM. Adaptive infusion of a glucagon-like peptide-1/glucagon receptor co-agonist G3215, in adults with overweight or obesity: Results from a phase 1 randomized clinical trial. Diabetes Obes Metab 2024; 26:1479-1491. [PMID: 38229453 DOI: 10.1111/dom.15448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/18/2023] [Accepted: 12/21/2023] [Indexed: 01/18/2024]
Abstract
AIMS To determine whether a continuous infusion of a glucagon-like peptide receptor (GLP-1R)/glucagon receptor (GCGR) co-agonist, G3215 is safe and well tolerated in adults with overweight or obesity. METHODS A phase 1 randomized, double blind, placebo-controlled trial of G3215 in overweight or obese participants, with or without type 2 diabetes. RESULTS Twenty-six participants were recruited and randomized with 23 completing a 14-day subcutaneous infusion of G3215 or placebo. The most common adverse events were nausea or vomiting, which were mild in most cases and mitigated by real-time adjustment of drug infusion. There were no cardiovascular concerns with G3215 infusion. The pharmacokinetic characteristics were in keeping with a continuous infusion over 14 days. A least-squares mean body weight loss of 2.39 kg was achieved with a 14-day infusion of G3215, compared with 0.84 kg with placebo infusion (p < .05). A reduction in food consumption was also observed in participants receiving G3215 and there was no deterioration in glycaemia. An improved lipid profile was seen in G3215-treated participants and consistent with GCGR activation, a broad reduction in circulating amino acids was seen during the infusion period. CONCLUSION An adaptive continuous infusion of the GLP-1/GCGR co-agonist, G3215, is safe and well tolerated offering a unique strategy to control drug exposure. By allowing rapid, response-directed titration, this strategy may allow for mitigation of adverse effects and afford significant weight loss within shorter time horizons than is presently possible with weekly GLP-1R and multi-agonists. These results support ongoing development of G3215 for the treatment of obesity and metabolic disease.
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Affiliation(s)
- David C D Hope
- Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Saleem Ansari
- Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Sirazum Choudhury
- Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Kleopatra Alexiadou
- Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Yasmin Tabbakh
- Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Ibiyemi Ilesanmi
- Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Katharine Lazarus
- Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Iona Davies
- Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Lara Jimenez-Pacheco
- Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Wei Yang
- Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Laura-Jayne Ball
- Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Reshma Malviya
- Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Beata Reglinska
- Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Bernard Khoo
- Endocrinology, Division of Medicine, University College London, London, UK
| | - James Minnion
- Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Stephen R Bloom
- Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Tricia M-M Tan
- Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
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Ansari S, Rostami M, Kidgell D. Understanding the impact: an investigation into the National Brain Injury Awareness Week and public interest regarding concussion in Australia. Public Health 2024; 228:150-152. [PMID: 38354585 DOI: 10.1016/j.puhe.2024.01.011] [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: 02/27/2023] [Revised: 10/15/2023] [Accepted: 01/12/2024] [Indexed: 02/16/2024]
Abstract
OBJECTIVES The purpose of this study is to analyze the relationship between the occurrence of the National Brain Injury Awareness Week and public interest in the concussion topic in Australia through an analysis of Internet search activity data from Google Trends. STUDY DESIGN Online retrospective observational study. METHODS For the keyword "concussion", the search interest rate over a period of 10 years between August 2012 and August 2022 within Australia has been analyzed using the Google Trends tool. The rising related topics that contributed to the months with the highest search interest were extracted for each year and a trendline analysis was performed to capture temporal patterns. RESULTS There was a significant difference in the average search interest between the month of August, when the Brain Injury Awareness Week is annually held, and the rest of the year (d = 0.09, p = 0.017). Also, May and August were the two months with the overall highest search interests (mean ± SD: 73.3 ± 5.16 and mean ± SD: 70.1 ± 5.49, respectively). Trendline analysis showed a positive slope of 0.3081 with R2 = 0.4462 for search interests of concussion over the 10-year period. CONCLUSIONS The data suggest that there is a growing interest and potential awareness of concussion in Australia that seems highly limited to the context of sports such as football, rugby, and soccer. Major sports events, news coverage, and media exposure appear to be associated with this trend. The study highlights the importance of more investment in producing engaging media content to educate the public on concussion of different causes and improving strategies for National Brain Injury Awareness Week.
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Affiliation(s)
- S Ansari
- Monash Exercise Neuroplasticity Research Unit, Monash University, Melbourne, Australia.
| | - M Rostami
- Monash Exercise Neuroplasticity Research Unit, School of Primary and Allied Health Care, Faculty of Medicine, Nursing and Health Science, Monash University, Melbourne, Australia
| | - D Kidgell
- Monash Exercise Neuroplasticity Research Unit, School of Primary and Allied Health Care, Faculty of Medicine, Nursing and Health Science, Monash University, Melbourne, Australia
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Ansari S, Neely RDG, Payne J, Cegla J. Lipoprotein(a) testing in lipid clinics across the UK: Results of a national survey. J Clin Lipidol 2024:S1933-2874(24)00023-0. [PMID: 38418291 DOI: 10.1016/j.jacl.2024.02.004] [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] [Received: 08/25/2023] [Revised: 01/19/2024] [Accepted: 02/09/2024] [Indexed: 03/01/2024]
Abstract
Lipoprotein(a) is an independent risk factor for cardiovascular disease and its use is recommended in national and international guidelines for cardiovascular disease risk stratification. We undertook a survey to understand the availability and application of lipoprotein(a) measurement across UK lipid clinics. Fifty-three out of an estimated 200 lipid clinics (27%) provided responses. 81% of fifty-three clinics had access to lipoprotein(a) measurement. 27 clinics disclosed the number of lipoprotein(a) tests ordered annually with approximately half of the clinics (52%) requesting 0-250 tests per year. 60% measured lipoprotein(a) once per patient and the leading indication was a personal or family history of premature history of cardiovascular disease in those <60 years old. 63% of clinics that provided comments with lipoprotein(a) results graded cardiovascular risk as per the HEART UK consensus statement. 60% of clinics performed family cascade testing on lipoprotein(a) results ≥200nmol/L. Lipoprotein(a) was reported in nmol/L, mg/dL or mg/L by 48%, 24% and 28% of responding clinics, respectively. National effort is required to provide universal access to Lipoprotein(a) measurement and to harmonise the clinical application of this data.
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Affiliation(s)
- Saleem Ansari
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK (Dr Ansari and Cegla); Lipids and Cardiovascular Risk Service, Department of Cardiology, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK (Dr Ansari and Cegla)
| | - R Dermot G Neely
- Department of Blood Sciences and NIHR MedTech and IVD Centre, Newcastle Upon Tyne Hospitals, Newcastle Upon Tyne, UK (Dr Neely)
| | | | - Jaimini Cegla
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK (Dr Ansari and Cegla); Lipids and Cardiovascular Risk Service, Department of Cardiology, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK (Dr Ansari and Cegla).
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Alexiadou K, Ansari S, Jones B, Yu C, Dornhorst A, Oliver N, Tsironis C, Purkayastha S, Ahmed A, Agha-Jaffar R, Khoo B, Tan TMM. Increased glycemic variability in pregnant women with Roux-en-Y gastric bypass compared with sleeve gastrectomy. BMJ Open Diabetes Res Care 2024; 12:e003642. [PMID: 38233077 PMCID: PMC10806855 DOI: 10.1136/bmjdrc-2023-003642] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 11/27/2023] [Indexed: 01/19/2024] Open
Abstract
INTRODUCTION Bariatric surgery is associated with adverse pregnancy outcomes such as reduced birth weight and premature birth. One possible mechanism for this is increased glycemic variability (GV) which occurs after bariatric surgery. The objective of this study was to compare the effect of Roux-en-Y gastric bypass (RYGB) versus vertical sleeve gastrectomy (SG) on GV during pregnancy and to investigate the relationships of GV, type of bariatric surgery and maternal and neonatal outcomes. RESEARCH DESIGN AND METHODS Fourteen pregnant women after RYGB and 14 after SG were investigated with continuous glucose monitoring in their second or third trimester in this observational study carried out as part of routine clinical care. RESULTS Pregnant women with RYGB had similar mean interstitial glucose values but significantly increased indices of GV and a lower %time in range 3.9-7.8 mmol/L (70-140 mg/dL), compared with SG. CONCLUSIONS Pregnant women who have undergone RYGB have greater GV during pregnancy compared with those who have undergone SG. Further research is needed to establish the relationship between GV and pregnancy outcomes to determine the preferred bariatric operation in women of reproductive age, and whether interventions to reduce GV might improve outcomes.
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Affiliation(s)
- Kleopatra Alexiadou
- Department of Metabolism Digestion and Reproduction, Imperial College London, London, UK
| | - Saleem Ansari
- Department of Metabolism Digestion and Reproduction, Imperial College London, London, UK
| | - Bryony Jones
- Queen Charlotte's and Chelsea Hospital, London, UK
| | - Christina Yu
- Queen Charlotte's and Chelsea Hospital, London, UK
| | - Anne Dornhorst
- Department of Metabolism Digestion and Reproduction, Imperial College London, London, UK
| | - Nick Oliver
- Department of Metabolism Digestion and Reproduction, Imperial College London, London, UK
| | - Christos Tsironis
- Surgery and Cancer, Imperial College Healthcare NHS Trust, London, UK
| | | | - Ahmed Ahmed
- Surgery and Cancer, Imperial College Healthcare NHS Trust, London, UK
| | - Rochan Agha-Jaffar
- Department of Metabolism Digestion and Reproduction, Imperial College London, London, UK
| | - Bernard Khoo
- Division of Medicine, University College London, London, UK
| | - Tricia M-M Tan
- Department of Metabolism Digestion and Reproduction, Imperial College London, London, UK
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Ansari S, Garmany Neely RD, Payne J, Cegla J. The current status of lipoprotein (a) measurement in clinical biochemistry laboratories in the UK: Results of a 2021 national survey. Ann Clin Biochem 2023:45632231210682. [PMID: 37845044 DOI: 10.1177/00045632231210682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2023]
Abstract
BACKGROUND Lipoprotein(a) (Lp(a)) is now established as a causal risk factor for cardiovascular disease (CVD) and accurate laboratory measurement is of pivotal importance in reducing Lp(a) associated risk. The consensus statement by HEART UK in 2019 included recommendations to improve standardisation of clinical laboratory measurement and reporting of Lp(a). METHODS A 16 question, electronic audit survey was circulated to 190 accredited clinical biochemistry laboratories to assess the adoption of these recommendations in the UK. RESULTS Responses were received from 65 of 190 laboratories (34%). Only 5 (8%) did not offer Lp(a) measurement. Of those providing the test, 23% (n = 14) offered an in-house service (IHS), the remaining laboratories (77%; n = 46) used an external referral service (ERS). The majority (10 of 14 or 71%) of IHS laboratories responded with details of their method, stating whether it minimised sensitivity to the effect of Lp(a) isoform size and used calibrators certified for traceability to the WHO/IFCC reference material, however, only a minority ERS laboratories (13 of the 46 or 28%) were able to specify the method used by their referral laboratory. Of the laboratories who specified their reporting units, 6 of 10 IHS and 7 of 23 ERS laboratories reported in nmol/L. Among the 60 laboratories who responded, the HEART UK recommendations appear to have been adopted in full by only 3 IHS laboratories. CONCLUSIONS Further efforts are needed to standardise the measurement and reporting of Lp(a) so that results and interpretation are comparable across clinical biochemistry laboratories in the UK.
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Affiliation(s)
- Saleem Ansari
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
- Lipids and Cardiovascular Risk Service, Department of Cardiology, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK
| | - Robert D Garmany Neely
- Academic Health Science Network for the North East and North Cumbria, Newcastle Upon Tyne, UK
| | | | - Jaimini Cegla
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
- Lipids and Cardiovascular Risk Service, Department of Cardiology, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK
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Mazaheri T, Ansari S, Nallagonda M, Kollmann L, Nickel F, Seyfried F, Miras AD. [Pharmacotherapy of obesity-Competition to bariatric surgery or a meaningful supplement?]. Chirurgie (Heidelb) 2023; 94:497-505. [PMID: 36918431 DOI: 10.1007/s00104-023-01830-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/26/2023] [Indexed: 03/16/2023]
Abstract
Obesity is a complex chronic disease and requires a long-term multimodal approach. The current treatment algorithm for treatment of obesity mainly consists of a stepwise approach, which starts with a lifestyle intervention followed by or combined with medication treatment, whereas bariatric surgery is often reserved for the last option. This article provides an overview of the currently available conservative medicinal treatment regimens and the currently approved medications as well as medications currently undergoing approval studies with respect to the efficacy and possible side effects. Special attention is paid to the importance of combination treatment of pharmacotherapy and surgery in the sense of a multimodal treatment. The data so far show that using a multimodal approach an improvement in the long-term weight loss and metabolic benefits can be achieved for the patients.
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Affiliation(s)
- Tina Mazaheri
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London, Großbritannien
| | - Saleem Ansari
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London, Großbritannien
| | - Madhavi Nallagonda
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London, Großbritannien
| | - Lars Kollmann
- Klinik für Allgemein‑, Viszeral‑, Transplantation‑, Gefäß- und Kinderchirurgie, Universitätsklinikum Würzburg, Würzburg, Deutschland
| | - Felix Nickel
- Klinik für Allgemein-, Viszeral- und Thoraxchirurgie, Universitätsklinikum Hamburg Eppendorf, Hamburg, Deutschland
| | - Florian Seyfried
- Klinik für Allgemein‑, Viszeral‑, Transplantation‑, Gefäß- und Kinderchirurgie, Universitätsklinikum Würzburg, Würzburg, Deutschland. .,Head Upper Gastrointestinal and Bariatric Surgery, Department of General, Visceral, Transplantation, Vascular and Pediatric Surgery; Center of Operative Medicine (ZOM), University Hospital of Würzburg, Oberdürrbacherstraße 6, 97080, Würzburg, Deutschland.
| | - Alexander Dimitri Miras
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London, Großbritannien.,School of Medicine, Ulster University, Londonderry, Ulster, Großbritannien
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Asghar A, Naaz S, Ansari S, Kumar A, Singh V. The cross-sectional morphology of median nerve in carpal tunnel of healthy, adult population: A systematic review and meta-analysis. Morphologie 2023; 107:99-115. [PMID: 35697557 DOI: 10.1016/j.morpho.2022.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/22/2022] [Accepted: 05/23/2022] [Indexed: 11/30/2022]
Abstract
The cross-section area is a crucial parameter to assess peripheral neuropathy. The ultrasonographic evaluation of cross-section area of median nerve is a low-cost and readily available tool for diagnosis and assessment. However, the intra-nerve dimensional variability and its normative reference value in a healthy subject are missing. The current meta-analysis aims to capture the median nerve cross-section area for healthy subjects and generate a comprehensive ultrasonographic reference data set for each population. METHODS The full text of manuscripts were collected after short-listing the abstracts collected from search strategy. A quality assurance tool was used to capture the risk of bias of each study after reviewing the included manuscripts. The pooled estimate of cross-section area was stratified according to anatomical landmarks, sex, and ancestry. RESULTS A total of 97 observational studies dealt with 6679 wrists of healthy subjects were included. The pooled estimate of the cross-section area of median nerve at carpal tunnel inlet was 8.54mm2 [95% CI: 8.34-8.74mm2]. The same pooled estimate at carpal tunnel outlet was 8.03mm2 [95% CI: 7.46-8.60mm2]. Both these pooled estimates have significant correlation with mean age of population. Age and sex were two primary predictors of the cross-section of median nerve. The flattening ratio, circularity, and wrist-forearm ratio of median nerve were also computed. CONCLUSION These normative data could serve as a reference for assessing median nerve pathologies, including carpal tunnel syndrome. The ethnic variation of pooled estimate and heterogeneity will guide clinician set up the reference value for diagnostic criteria.
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Affiliation(s)
- A Asghar
- Department of Anatomy, AIIMS Patna, Patna, Bihar 801505, India.
| | - S Naaz
- Department of Anaesthesiology, AIIMS Patna, Patna, Bihar 801505, India
| | - S Ansari
- Consultant Radiologist, Paras HMRI, Hospital Patna, Patna, Bihar, India
| | - A Kumar
- Department of Anatomy, AIIMS Patna, Patna, Bihar 801505, India
| | - V Singh
- Speciality Registrar (Orthopaedics), Homerton University Hospital, London, UK
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Ansari S, Blessing M. An Exceedingly Rare Case of Nodular Fasciitis of Tongue in an Infant. Am J Clin Pathol 2022. [DOI: 10.1093/ajcp/aqac126.316] [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: 11/11/2022] Open
Abstract
Abstract
Introduction/Objective
Nodular fasciitis is a rapidly growing but benign self-limited myofibroblastic/fibroblastic tumor of unknown etiology. It was first described in the literature by Konwaler in 1955 and can occur in any location. Nodular fasciitis of the tongue is a rare entity in infancy with only one case reported so far. Accurate diagnosis of this entity is crucial to avoid a possible misdiagnosis of malignancy leading to radical resections.
Methods/Case Report
A 6-month old, previously heathy full term male presented to pediatric otolaryngology clinic with a rapidly growing painless mass on the right tongue. The mass was associated with feeding difficulty. There was no history of trauma to the area, no personal and family history of cancer was noted. Computed tomography scan demonstrated a 1.5 x 1.4 x 1.5 cm mass confined to the right anterior undersurface of tongue. Biopsy of the mass showed ulcerated mucosa with an underlying spindle cell lesion composed of reactive-appearing myofibroblasts arranged in a variably fascicular to "tissue-culture" pattern, intermixed with inflammatory cells and scattered extravasated erythrocytes. These morphologic features in conjunction with immunohistochemistry and demonstration of fusion of SRSF3 [serine and arginine rich splicing factor 3] and USP6 [ubiquitin specific peptidase 6] by Targeted next-generation RNA sequencing confirmed the diagnosis of nodular fasciitis. On follow up, spontaneous regression of the mass occurred in 3 months.
Results (if a Case Study enter NA)
NA.
Conclusion
Nodular fasciitis of tongue in infancy is an exceedingly rare entity and this case demonstrates the importance of including this unique entity in the differential diagnosis of a rapidly-growing tongue lesion. Because it can simulate malignancy both clinically and histologically, awareness and familiarity with this benign proliferative lesion is crucial in effective management.
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Affiliation(s)
- S Ansari
- Pathology, Baylor College of Medicine , Houston, Texas , United States
| | - M Blessing
- Pathology, Baylor College of Medicine , Houston, Texas , United States
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Eisa S, Osei-Boadu B, Singh-Rathore G, Rabbani M, Suthar K, Ansari S, Koduri GM. AB1456 CLINICAL IMPACT OF THE INTERSTITIAL LUNG DISEASE MULTIDISCIPLINARY SERVICE. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.4539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundInterstitial lung diseases (ILD) are a diverse group of pulmonary diseases for which accurate diagnosis is critical for optimal management and outcomes. Diagnosing ILD, both idiopathic pulmonary fibrosis (IPF) and connective-tissue-disease-associated interstitial lung disease (CTD-ILD), has become critically important, as the disease has a devastating prognosis with poor survival.There are also management implications, as patients with ILD can now potentially be treated with new antifibrotic therapies such as pirfenidone and nintedanib, both of which have been approved. Certain types of CTD – ILD may benefit from systemic immunomodulatory therapies. Diagnosis of ILD can be challenging and a multidisciplinary team (MDT) approach is recommended in current guidelines. Several studies have reported that MDT diagnosis is associated with higher levels of diagnostic confidence and better interobserver agreement (1-3).ObjectivesWe describe the benefits of an ILD multidisciplinary service on the diagnosis and management of patients with suspected ILD.MethodsWe performed a single-centre retrospective review of consecutive patients referred to the ILD clinic with subsequent discussions in ILD MDTs over a 36-month period from 2016 to 2019. We compared changes in ILD diagnosis and management at referral to those following the ILD-MDT. We collected data on the demographics, occupation, age at ILD onset, smoking status, imaging, blood tests including autoimmune serology, MDT recommendations, change in diagnosis after MDT, tertiary referral, serial PFTs, medications and outcomes. Cases of suspected ILD that were not fully characterised and those with complex management issues were presented at our monthly ILD MDT.ResultsA total of 208 patients were referred to the ILD clinic over a 36-month period. Of these, 106 cases were discussed at the ILD MDT and the remaining 102 cases did not require discussion at the MDT as these deemed to be clear cut, which included RA and CTD ILD. The mean age of the total cohort was 74 (min age 32, max age 97) and 120 (58 %) were males. Overall, evaluation by the ILD service (i.e. ILD clinic and MDT) resulted in a change in diagnosis in 106(51%) patients. Of those, 49(46%) didn’t have ILD. In the remaining 57 patients with suspected ILD, the majority of the diagnoses were ILD with an uncertain classification (24, 23%). The other diagnoses included CTD-ILD (4, 3.7%), ILD with autoimmune serology 11(10.4%), IPF 10(9.4%), Drug-induced-ILD 3(2.8%), Hypersensitivity Pneumonitis 5(4.7%), Eosinophilic pneumonitis 1 (0.94%), Cryptogenic Pneumonitis 1(0.94%), PPFE with IPF 1 (0.94%), PPFE 1 (0.94%), CPFE 4 (0.94%), EAA 2 (0.94%), RB-ILD 2 (1.88%), Langerhans Histiocytosis 2 (1.88%).16/57(28%) were referred to a tertiary centre for further management. Serology was positive in 11 patients (ANA 6, CCP 3, and ANCA 2). Of the 57 patients with other diagnoses, the main recommendations included steroids (28), anti-fibrotic therapy (4), immunomodulatory therapy (6) and ambulatory Oxygen (1). Further analysis will be carried out on survival and treatment outcomes of the cohort.ConclusionDedicated ILD-MDT service has an important clinical impact on the care of the ILD patient, with frequent changes in ILD diagnosis and subsequent management and outcomes. Multidisciplinary approach to the management of these patients should be standard of care for these patients.References[1]Flaherty KR, King TE Jr, Raghu G, et al. Idiopathic interstitial pneumonia: what is the effect of a multidisciplinary approach to diagnosis? Am J Respir Crit Care Med 2004; 170:904-10.[2]Lynch DA, Sverzellati N, Travis WD, et al. Diagnostic criteria for idiopathic pulmonary fibrosis: a Fleischner Society White Paper. Lancet Respir Med 2018; 6:138-53.[3]Ryerson CJ, Corte TJ, Lee JS, et al. A standardized diagnostic ontology for fibrotic interstitial lung disease. An international working group perspective. Am J Respir Crit Care Med 2017; 196:1249-54.Disclosure of InterestsNone declared
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Soliman M, Abdallah R, Megahed A, Malik A, Shaibani A, Botts M, Hurley M, Ansari S. Abstract No. 238 General anesthesia versus moderate sedation as predictors of functional outcome after intracranial thrombectomy procedures. J Vasc Interv Radiol 2022. [DOI: 10.1016/j.jvir.2022.03.319] [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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Kent M, Vasconcelos L, Ansari S, Ghanbari H, Nenadic I. Transfer learning application of a novel frequency shift convolutional neural network method for atrial fibrillation classification. Europace 2022. [DOI: 10.1093/europace/euac053.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background
There has been a proliferation of machine learning (ML) electrocardiogram (ECG) classification algorithms reaching >85% accuracy for various cardiac pathologies. Despite the high accuracy at individual institutions, challenges remain with cross-institutional algorithm evaluation. Transfer learning (TL) is a technique in which a model trained for a specific task is repurposed for another related task, in this case ECG ML model trained at one institution used to classify ECGs at another institution. Models trained at one institution, however, might not be generalizable for accurate classification when deployed broadly due to differences in type, time, and sampling rate of traditional ECG acquisition. TL would thus require additional ECG signal processing which inherently introduces noise and has high computational costs. Our previous work has shown that frequency domain (FD) convolutional neural networks (CNN) outperform traditional time domain (TD) CNN methods in detecting atrial fibrillation (Afib) and are more robust against noise and sampling variations.
Purpose
In this study, we explore ECG transfer learning by comparing performance of TD and FD CNN ECG classification models. Examine the hypothesis that FD signal analysis can overcome limitations inherent to TD and demonstrate application for Afib classification in three different publicly available datasets.
Methods
PTB-XL ECG dataset was used to train TD and FD CNN models for Afib classification. TL on the two data sets, Lobachevsky University Electrocardiography Database (LUDB) and KURIAS-ECG database (KURIAS), was performed with portions of each dataset added to PTB-XL training data before test runs on the remaining ECGs. The models were also tested directly on the two datasets (cross-testing) for comparison.
Results
Results of TL are summarized in Fig. 1. Panels (a) and (b) show TD and FD performance on PTB-XL dataset, with FD outperforming TD. Panels (c) and (d) show TL of PTB-XL trained TD and FD models applied on LUDB Afib data with FD outperforming TD. Panels (e) and (f) show TL of PTB-XL trained models applied to KURIAS Afib ECGs, with FD again outperforming TD. Table 1 summarizes results of TL and direct cross-testing with TL outperforming cross-testing.
Conclusions
FD models were superior to TD models in Afib classification, both in cross-testing and TL. TL technique, in which a pre-trained model is used as starting point for novel dataset training, outperformed direct cross-testing. TL with FD CNN has the capacity to leverage models trained on a particular set of ECGs to classify ECGs with varying signal acquisition properties. FD CNN may be robust to inter-institutional variability and has potential for widespread application with no compromise to ECG classification power. A potential application of these findings is deployment of ECG classification CNN models trained at institutions with large ECG databases to hospitals with smaller datasets.
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Affiliation(s)
- M Kent
- University of Michigan, Internal Medicine, Ann Arbor, United States of America
| | - L Vasconcelos
- University of Minnesota, Bioinformatics and Computational Biology, Rochester, United States of America
| | - S Ansari
- University of Michigan, Department of Emergency Medicine, Ann Arbor, United States of America
| | - H Ghanbari
- University of Michigan, Cardiovascular Disease, Department of Internal Medicine, Ann Arbor, United States of America
| | - I Nenadic
- University of Michigan, Internal Medicine, Ann Arbor, United States of America
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Verma VN, Ghai S, Ansari S, Saini S, Thakur A, Kumar A, Kumar S, Malakar D. 158 Umbilical cord blood-derived mesenchymal stem cells (UCB-MSC) used for the prevention of metritis in cattle. Reprod Fertil Dev 2021; 34:317. [PMID: 35231366 DOI: 10.1071/rdv34n2ab158] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Affiliation(s)
- V N Verma
- Animal Biotechnology Centre, National Dairy Research Institute, Karnal, Haryana, India
| | - S Ghai
- Animal Biotechnology Centre, National Dairy Research Institute, Karnal, Haryana, India
| | - S Ansari
- Animal Biotechnology Centre, National Dairy Research Institute, Karnal, Haryana, India
| | - S Saini
- Animal Biotechnology Centre, National Dairy Research Institute, Karnal, Haryana, India
| | - A Thakur
- Animal Biotechnology Centre, National Dairy Research Institute, Karnal, Haryana, India
| | - A Kumar
- Animal Biotechnology Centre, National Dairy Research Institute, Karnal, Haryana, India
| | - S Kumar
- Animal Biotechnology Centre, National Dairy Research Institute, Karnal, Haryana, India
| | - D Malakar
- Animal Biotechnology Centre, National Dairy Research Institute, Karnal, Haryana, India
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Ghai S, Verma VN, Ansari S, Saini S, Thakur A, Kumar A, Kumar S, Malakar D. 157 Mesenchymal stem cells as a regenerative therapy for the prevention of subclinical mastitis in cattle. Reprod Fertil Dev 2021; 34:316-317. [PMID: 35231365 DOI: 10.1071/rdv34n2ab157] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Affiliation(s)
- S Ghai
- Animal Biotechnology Centre, National Dairy Research Institute, Karnal, Haryana, India
| | - V N Verma
- Animal Biotechnology Centre, National Dairy Research Institute, Karnal, Haryana, India
| | - S Ansari
- Animal Biotechnology Centre, National Dairy Research Institute, Karnal, Haryana, India
| | - S Saini
- Animal Biotechnology Centre, National Dairy Research Institute, Karnal, Haryana, India
| | - A Thakur
- Animal Biotechnology Centre, National Dairy Research Institute, Karnal, Haryana, India
| | - A Kumar
- Animal Biotechnology Centre, National Dairy Research Institute, Karnal, Haryana, India
| | - S Kumar
- Animal Biotechnology Centre, National Dairy Research Institute, Karnal, Haryana, India
| | - D Malakar
- Animal Biotechnology Centre, National Dairy Research Institute, Karnal, Haryana, India
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Hosseinian S, Ansari S. Prophylactic effects of dietary ascorbic acid on oxidative stress indices, physiological and behavioural responses of domestic pigeons exposed to road transport stress. Vet Med Sci 2021; 7:2389-2398. [PMID: 34797959 PMCID: PMC8604146 DOI: 10.1002/vms3.609] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Transport disturbs birds' welfare and health status which lead to oxidative stress and dietary ascorbic acid mitigates the adverse effects of transport stress. The present study was aimed to evaluate the impacts of ascorbic acid administration on oxidative stress indices, cortisol, H/L ratio, tonic immobility reaction and rectal temperature of pigeons exposed to road transport. A total of 80 clinically healthy pigeons were selected and randomly divided to eight equal groups as follow: (1) Ctrl- : fed by basal diet and no subjected to transport stress; (2) Ctrl+: fed by the basal diet and subjected to transport stress; (3, 4) 1DBS10 and 1DBS16: received ascorbic acid from 1 day before transport stress at doses of 10 g/100 L and 16 g/100 L of drinking water, respectively; (5, 6) 3DBS10 and 3DBS16: treated with ascorbic acid from 3 consecutive days before transport stress at doses of 10 g/100 L and 16 g/100 L, respectively and (7, 8) 7DBS10 and 7DBS16: received ascorbic acid from 7 consecutive days before the transport at doses 10 g/100 L and 16 g/100 L, respectively. Birds were transported for 3 h over a distance of about 200 km. The total antioxidant capacity, malondialdehyde and cortisol were measured before transport and at 6, 24 and 72 h post-transportation. The rectal temperature and tunic immobility reactions were recorded. Dietary ascorbic acid led to a decrease in tonic immobility response, hetrophil to lymphocyte ratio, circulating cortisol and total antioxidant capacity, and an increase in circulating malondialdehyde in pigeons exposed to transport stress compare to Ctrl+ group. In conclusion, ascorbic acid administration at dose 16 g/100 L of drinking water from 3 and 7 days before exposure to stress helps attenuate undesirable effects of oxidative stress in pigeons.
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Affiliation(s)
- S.A. Hosseinian
- Department of Clinical Science, School of Veterinary MedicineShiraz UniversityShirazIran
| | - S. Ansari
- Department of Clinical Science, School of Veterinary MedicineShiraz UniversityShirazIran
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Hasani-Sadrabadi MM, Pouraghaei S, Zahedi E, Sarrion P, Ishijima M, Dashtimoghadam E, Jahedmanesh N, Ansari S, Ogawa T, Moshaverinia A. Antibacterial and Osteoinductive Implant Surface Using Layer-by-Layer Assembly. J Dent Res 2021; 100:1161-1168. [PMID: 34315313 PMCID: PMC8716140 DOI: 10.1177/00220345211029185] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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] [Indexed: 11/17/2022] Open
Abstract
Osseointegration of dental, craniofacial, and orthopedic implants is critical for their long-term success. Multifunctional surface treatment of implants was found to significantly improve cell adhesion and induce osteogenic differentiation of dental-derived stem cells in vitro. Moreover, local and sustained release of antibiotics via nanolayers from the surface of implants can present unparalleled therapeutic benefits in implant dentistry. Here, we present a layer-by-layer surface treatment of titanium implants capable of incorporating BMP-2-mimicking short peptides and gentamicin to improve their osseointegration and antibacterial features. Additionally, instead of conventional surface treatments, we employed polydopamine coating before layer-by-layer assembly to initiate the formation of the nanolayers on rough titanium surfaces. Cytocompatibility analysis demonstrated that modifying the titanium implant surface with layer-by-layer assembly did not have adverse effects on cellular viability. The implemented nanoscale coating provided sustained release of osteoinductive peptides with an antibacterial drug. The surface-functionalized implants showed successful osteogenic differentiation of periodontal ligament stem cells and antimicrobial activity in vitro and increased osseointegration in a rodent animal model 4 wk postsurgery as compared with untreated implants. Altogether, our in vitro and in vivo studies suggest that this approach can be extended to other dental and orthopedic implants since this surface functionalization showed improved osseointegration and an enhanced success rate.
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Affiliation(s)
- M M Hasani-Sadrabadi
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, CA, USA
- California NanoSystems Institute, University of California, Los Angeles, CA, USA
- Department of Bioengineering, University of California, Los Angeles, CA, USA
| | - S Pouraghaei
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, CA, USA
| | - E Zahedi
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, CA, USA
| | - P Sarrion
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, CA, USA
| | - M Ishijima
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, CA, USA
| | - E Dashtimoghadam
- Department of Chemistry, University of North Carolina, Chapel Hill, NC, USA
| | - N Jahedmanesh
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, CA, USA
| | - S Ansari
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, CA, USA
| | - T Ogawa
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, CA, USA
| | - A Moshaverinia
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, CA, USA
- California NanoSystems Institute, University of California, Los Angeles, CA, USA
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Ansari S, Abdel-Malek M, Kenkre J, Choudhury SM, Barnes S, Misra S, Tan T, Cegla J. The use of whole blood capillary samples to measure 15 analytes for a home-collect biochemistry service during the SARS-CoV-2 pandemic: A proposed model from North West London Pathology. Ann Clin Biochem 2021; 58:411-421. [PMID: 33715443 PMCID: PMC8458673 DOI: 10.1177/00045632211004995] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/03/2021] [Indexed: 11/17/2022]
Abstract
BACKGROUND The COVID-19 pandemic has drastically changed the delivery of secondary care services. Self-collection of capillary blood at home can facilitate the monitoring of patients with chronic disease to support virtual clinics while mitigating the risk of SARS-CoV-2 infection and transmission. OBJECTIVE To investigate the comparability of whole blood capillary and plasma venous samples for 15 routinely used biochemical analytes and to develop and pilot a user-friendly home-collection kit to support virtual outpatient clinical services. METHODS To investigate the comparability of whole blood capillary and plasma venous samples for 15 routinely requested biochemical analytes, simultaneous samples of venous and capillary blood were collected in EDTA and lithium-heparin plasma separation tubes that were of 4-6 mL and 400-600 µL draw volume, respectively. Venous samples were analysed within 4 h of collection while capillary samples were kept at ambient temperature for three days until centrifugation and analysis. Analyte results that were comparable between the matrices were then piloted in a feasibility study in three outpatient clinical services. RESULTS HbA1c, lipid profile and liver function tests were considered comparable and piloted in the patient feasibility study. The home-collect kit demonstrated good patient usability. CONCLUSION Home collection of capillary blood could be a clinically-useful tool to deliver virtual care to patients with chronic disease.
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Affiliation(s)
- Saleem Ansari
- Blood Sciences, North West London Pathology, London, UK
| | | | - Julia Kenkre
- Blood Sciences, North West London Pathology, London, UK
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
| | - Sirazum M Choudhury
- Blood Sciences, North West London Pathology, London, UK
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
| | - Sophie Barnes
- Blood Sciences, North West London Pathology, London, UK
| | - Shivani Misra
- Blood Sciences, North West London Pathology, London, UK
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
| | - Tricia Tan
- Blood Sciences, North West London Pathology, London, UK
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
| | - Jaimini Cegla
- Blood Sciences, North West London Pathology, London, UK
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
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Abstract
Successful tissue engineering therapies rely on the appropriate selection of the cell source, biomaterial, and regulatory factors. To be applied in a wide range of clinical applications, the ideal cell source needs to be easily accessible and abundant. Human orofacial tissues and teeth harbor several populations of mesenchymal stem cells (MSCs) with self-renewal and multilineage differentiation capabilities. The ease of access, relative abundance, and minimally invasive isolation procedures needed to harvest most types of the dental-derived MSCs render them a promising cell source for tissue engineering applications. A growing body of evidence has reported the profound immunoregulatory potential of dental-derived MSCs as compared with their bone marrow counterparts. Biomaterials can act as a physical barrier protecting the MSCs from the invasion of the immune system by hindering penetration of proinflammatory cells/cytokines, leading to higher viability of the encapsulated MSCs and improved tissue regeneration. Besides their protective capabilities, biomaterials can actively contribute to the immunoregulatory potential of the MSCs through their physical and chemical properties, including porosity and elasticity. However, despite recent advancement, the therapeutic capability of biomaterials to regulate the MSC-host immune system crosstalk and the mechanism underlying this immunoregulation has been poorly understood. It has been reported that biomaterials can regulate the viability and determine the fate of the encapsulated MSCs through modulation of the NF-kB pathway and the caspase-3 and caspase-8 proapoptotic cascades. Additionally, the physiomechanical properties of the encapsulating biomaterial have been shown to modulate clustering of TNF-α receptors on the encapsulated MSCs while regulating the production of anti-inflammatory factors such as indoleamine 2,3-dioxygenase (IDO) and prostaglandin E2 (PGE2) through activation of the P38 MAPK pathway. In the current review, we sought to provide a thorough overview of the immunomodulatory functions of dental-derived MSCs and the role of biomaterials in their interplay with the host immune system.
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Affiliation(s)
- S Pouraghaei Sevari
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - S Ansari
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - C Chen
- Department of Oral and Maxillofacial Surgery and Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA.,Center of Innovation and Precision Dentistry, School of Dental Medicine, School of Engineering and Applied Sciences, University of Pennsylvania, Philadelphia, PA, USA
| | - A Moshaverinia
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA.,California NanoSystems Institute, University of California, Los Angeles, Los Angeles, CA, USA
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Carroll RJ, Podolyák Z, Berry T, Grawe H, Alexander T, Andreyev AN, Ansari S, Borge MJG, Brunet M, Creswell JR, Fraile LM, Fahlander C, Fynbo HOU, Gamba ER, Gelletly W, Gerst RB, Górska M, Gredley A, Greenlees PT, Harkness-Brennan LJ, Huyse M, Judge SM, Judson DS, Konki J, Kurcewicz J, Kuti I, Lalkovski S, Lazarus IH, Lică R, Lund M, Madurga M, Marginean N, Marginean R, Marroquin I, Mihai C, Mihai RE, Nácher E, Negret A, Nita C, Pascu S, Page RD, Patel Z, Perea A, Phrompao J, Piersa M, Pucknell V, Rahkila P, Rapisarda E, Regan PH, Rotaru F, Rudigier M, Shand CM, Shearman R, Stegemann S, Stora T, Sotty C, Tengblad O, Van Duppen P, Vedia V, Wadsworth R, Walker PM, Warr N, Wearing F, De Witte H. Competition between Allowed and First-Forbidden β Decay: The Case of ^{208}Hg→^{208}Tl. Phys Rev Lett 2020; 125:192501. [PMID: 33216605 DOI: 10.1103/physrevlett.125.192501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 09/21/2020] [Accepted: 10/07/2020] [Indexed: 06/11/2023]
Abstract
The β decay of ^{208}Hg into the one-proton hole, one neutron-particle _{81}^{208}Tl_{127} nucleus was investigated at CERN-ISOLDE. Shell-model calculations describe well the level scheme deduced, validating the proton-neutron interactions used, with implications for the whole of the N>126, Z<82 quadrant of neutron-rich nuclei. While both negative and positive parity states with spin 0 and 1 are expected within the Q_{β} window, only three negative parity states are populated directly in the β decay. The data provide a unique test of the competition between allowed Gamow-Teller and Fermi, and first-forbidden β decays, essential for the understanding of the nucleosynthesis of heavy nuclei in the rapid neutron capture process. Furthermore, the observation of the parity changing 0^{+}→0^{-}β decay where the daughter state is core excited is unique, and can provide information on mesonic corrections of effective operators.
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Affiliation(s)
- R J Carroll
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - Zs Podolyák
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
- ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung, Planckstrasse 1, 64291 Darmstadt, Germany
| | - T Berry
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - H Grawe
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstrasse 1, 64291 Darmstadt, Germany
| | - T Alexander
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - A N Andreyev
- University of York, Dept Phys, North Yorkshire YO10 5DD, United Kingdom
- Advanced Science Research Center, Japan Atomic Energy Agency, Tokai-mura, Ibaraki 319-1195, Japan
| | - S Ansari
- Institut für Kernphysik der Universität zu Köln, Zülpicher Str. 77, 50937 Köln, Germany
| | - M J G Borge
- CERN, Physics Department, 1211 Geneva 23, Switzerland
| | - M Brunet
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - J R Creswell
- Department of Physics, Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - L M Fraile
- Grupo de Física Nuclear & IPARCOS, Universidad Complutense de Madrid, CEI Moncloa, E-28040 Madrid, Spain
| | - C Fahlander
- Department of Physics, Lund University, S-22100 Lund, Sweden
| | - H O U Fynbo
- Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus, Denmark
| | - E R Gamba
- University of Brighton, Brighton BN2 4GJ, United Kingdom
| | - W Gelletly
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - R-B Gerst
- Institut für Kernphysik der Universität zu Köln, Zülpicher Str. 77, 50937 Köln, Germany
| | - M Górska
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstrasse 1, 64291 Darmstadt, Germany
| | - A Gredley
- Department of Physics, Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - P T Greenlees
- University of Jyvaskyla, Department of Physics, University of Jyvaskyla, P.O. Box 35, FI-40014 Jyvaskyla, Finland
- Helsinki Institute of Physics, University of Helsinki, P.O. Box 64, FI-00014 Helsinki, Finland
| | - L J Harkness-Brennan
- Department of Physics, Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - M Huyse
- KU Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, 3001 Leuven, Belgium
| | - S M Judge
- National Physical Laboratory, Teddington, Middlesex TW11 0LW, United Kingdom
| | - D S Judson
- Department of Physics, Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - J Konki
- University of Jyvaskyla, Department of Physics, University of Jyvaskyla, P.O. Box 35, FI-40014 Jyvaskyla, Finland
- Helsinki Institute of Physics, University of Helsinki, P.O. Box 64, FI-00014 Helsinki, Finland
| | - J Kurcewicz
- CERN, Physics Department, 1211 Geneva 23, Switzerland
| | - I Kuti
- Institute of Nuclear Research of the Hungarian Academy of Sciences, 4026 Debrecen, Hungary
| | - S Lalkovski
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - I H Lazarus
- STFC, Daresbury Laboratory, Warrington WA4 4AD, United Kingdom
| | - R Lică
- CERN, Physics Department, 1211 Geneva 23, Switzerland
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - M Lund
- Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus, Denmark
| | - M Madurga
- CERN, Physics Department, 1211 Geneva 23, Switzerland
- Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
| | - N Marginean
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - R Marginean
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - I Marroquin
- Instituto de Estructura de la Materia, CSIC, Serrano 113 bis, E-28006 Madrid, Spain
| | - C Mihai
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - R E Mihai
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - E Nácher
- Instituto de Estructura de la Materia, CSIC, Serrano 113 bis, E-28006 Madrid, Spain
| | - A Negret
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - C Nita
- University of Brighton, Brighton BN2 4GJ, United Kingdom
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - S Pascu
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - R D Page
- Department of Physics, Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - Z Patel
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - A Perea
- Instituto de Estructura de la Materia, CSIC, Serrano 113 bis, E-28006 Madrid, Spain
| | - J Phrompao
- Department of Physics and Materials Science, Chiang Mai University, 50200 Chiang Mai, Thailand
| | - M Piersa
- Faculty of Physics, University of Warsaw, PL 02-093 Warsaw, Poland
| | - V Pucknell
- STFC, Daresbury Laboratory, Warrington WA4 4AD, United Kingdom
| | - P Rahkila
- University of Jyvaskyla, Department of Physics, University of Jyvaskyla, P.O. Box 35, FI-40014 Jyvaskyla, Finland
- Helsinki Institute of Physics, University of Helsinki, P.O. Box 64, FI-00014 Helsinki, Finland
| | - E Rapisarda
- CERN, Physics Department, 1211 Geneva 23, Switzerland
| | - P H Regan
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
- National Physical Laboratory, Teddington, Middlesex TW11 0LW, United Kingdom
| | - F Rotaru
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - M Rudigier
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - C M Shand
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - R Shearman
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
- National Physical Laboratory, Teddington, Middlesex TW11 0LW, United Kingdom
| | - S Stegemann
- Institut für Kernphysik der Universität zu Köln, Zülpicher Str. 77, 50937 Köln, Germany
| | - T Stora
- CERN, Physics Department, 1211 Geneva 23, Switzerland
| | - Ch Sotty
- KU Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, 3001 Leuven, Belgium
- Horea Hulubei National Institute for Physics and Nuclear Engineering, RO-077125 Bucharest, Romania
| | - O Tengblad
- Instituto de Estructura de la Materia, CSIC, Serrano 113 bis, E-28006 Madrid, Spain
| | - P Van Duppen
- KU Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, 3001 Leuven, Belgium
| | - V Vedia
- Grupo de Física Nuclear & IPARCOS, Universidad Complutense de Madrid, CEI Moncloa, E-28040 Madrid, Spain
| | - R Wadsworth
- University of York, Dept Phys, North Yorkshire YO10 5DD, United Kingdom
| | - P M Walker
- Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - N Warr
- Institut für Kernphysik der Universität zu Köln, Zülpicher Str. 77, 50937 Köln, Germany
| | - F Wearing
- Department of Physics, Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - H De Witte
- KU Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, 3001 Leuven, Belgium
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Giret T, Stoyanova R, Ansari S, Tulasigeri T, Jorda M, Dal Pra A, Abramowitz M, Punnen S, Pollack A. Temporal Changes of Circulating Tumor Cells in Prostate Cancer Patients after Radiation Therapy. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.2076] [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]
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Ficiara E, D'Agata F, Ansari S, Boschi S, Rainero I, Priano L, Cattaldo S, Abollino O, Cavalli R, Guiot C. A mathematical model for the evaluation of iron transport across the blood-cerebrospinal fluid barrier in neurodegenerative diseases. Annu Int Conf IEEE Eng Med Biol Soc 2020; 2020:2270-2273. [PMID: 33018460 DOI: 10.1109/embc44109.2020.9175988] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Iron plays important roles in healthy brain but altered homeostasis and concentration have been correlated to aging and neurodegenerative diseases. Iron enters the central nervous system by crossing the brain barrier systems: the Blood- Brain Barrier separating blood and brain and the Blood-Cerebrospinal Fluid Barrier (BCSFB) between blood and CSF, which is in contact with the brain by far less selective barriers. Herein, we develop a two-compartmental model for the BCSFB, based on first-order ordinary differential equations, performing numerical simulations and sensitivity analysis. Furthermore, as input parameters of the model, experimental data from patients affected by Alzheimer's disease, frontotemporal dementia, mild cognitive impairment and matched neurological controls were used, with the aim of investigating the differences between physiological and pathological conditions in the regulation of iron passage between blood and CSF which can be possibly targeted by therapy.
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Ansari S, Anandani G, Shetty G. Outcome of physical rehabilitation in patients indicated for surgery for chronic low back pain. Physiotherapy 2020. [DOI: 10.1016/j.physio.2020.03.258] [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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Ansari S, Haboubi H, Haboubi N. Obesity management for the gastroenterologist. Frontline Gastroenterol 2020; 12:235-245. [PMID: 33912336 PMCID: PMC8040500 DOI: 10.1136/flgastro-2019-101391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 03/17/2020] [Accepted: 03/18/2020] [Indexed: 02/04/2023] Open
Abstract
Obesity has reached epidemic levels in the United Kingdom. Obesity is associated with important gastrointestinal and hepatic complications which are common and can present sooner than cardiometabolic disease but often the underlying obesity remains untreated. Given that gastroenterologists and hepatologists will be at the forefront of obesity management we present an overview encompassing obesity pathophysiology, medical and surgical treatment options as well as the role of endobariatrics and the gut microbiome.
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Affiliation(s)
- Saleem Ansari
- Clinical Biochemistry, King's College Hospital NHS Foundation Trust, London, UK
| | - Hasan Haboubi
- Gastroenterology Department, Guy's and St Thomas' NHS Foundation Trust, London, London, UK
| | - Nadim Haboubi
- Department of Clinical Nutrition, University of South Wales, Pontypridd, UK
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Ansari S, Jamwal S, Saini S, Singh R, Malakar D. 84 Folate-methionine cycle and folate transport in developing buffalo embryos. Reprod Fertil Dev 2020. [DOI: 10.1071/rdv32n2ab84] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Periconceptional folic acid is known to have a major role in the prevention of neural tube defects, leading to global recommendations for folic acid supplementation before and in early pregnancy. Maternal folate throughout pregnancy may have other roles in offspring health, including neurodevelopment and cognitive performance in childhood. Folate and folic acid (vitamin B9) act as a co-enzyme essential for single carbon metabolism, a network of pathways involved in several biological processes including nucleotide synthesis, DNA repair, and methylation reactions. In general, rapidly growing and multiplying cells require an adequate supply of folate. A primary deficiency of natural folate resulting in an increase of the total homocysteine concentration may be detrimental to the quality of the oocyte, subsequent fertilisation, embryogenesis, implantation, and fetal development. However, to date, folate-methionine metabolism and folate transport have not been studied in developing buffalo embryos. The present study details transcript expression for genes encoding key enzymes in the linked folate-methionine cycles in the ovary tissue, cumulus cells, immature oocytes, IVM oocytes, and pre-implantation embryos and also estimates the folate concentration in follicular fluid (FF) of buffalo. The FF was pooled and collected by aspiration of different sizes of surface follicles (2-8mm diameter). The total number of analysed samples was three, with different dilutions and estimation of folate in FF of buffalo done by chemiluminescence assay. Total RNA was extracted from oocytes, cumulus cells, ovarian tissue, and embryos produced from IVF. RT-PCR was performed to analyse the expression of folate-methionine cycle enzymes and folate transporters. Transcripts for all the enzymes of the folate-methionine cycle (i.e. SHMT, MTR, MTRR, MAT1A, MAT2B, GNMT, AHCY, CBS, and DHFR) and folate transporters (FOLR1, FOLR2) and reduced folate carrier (SLC19A1) were expressed in ovarian tissue, cumulus cells, oocytes, and pre-implantation embryos. Immunocytochemical analysis revealed FOLR2 and SLC19A1 protein expression on the plasma membrane and/or cytoplasm of the oocytes and embryos, and FOLR1 in the nucleus of pre-implantation embryos. The folate concentration in FF was 24ngmL−1. This is the first report to examine the concentration of folate in FF and revealed the identification of transcripts in different samples of buffalo species. The presence of these enzymes could have a profound effect on single-carbon metabolism within the ovary and pre-implantation embryo, therefore indicating that folate from FF is being disseminated through folate receptors within oocytes and embryos to participate in the folate pathway. This study advocates the necessity for examination of the result of folate supplementation throughout invitro embryo production for improving the quality and quantity of transferable blastocysts and subsequently live calf births in buffalo.
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Abstract
The complications associated with adult obesity are overwhelming national healthcare systems. No country has yet implemented a successful population-level strategy to reverse the rising trends of obesity. This article presents epidemiological data on the complications of adult obesity and discusses some of the challenges associated with managing this disease at a population and individual level.
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Affiliation(s)
| | - Hasan Haboubi
- Department of Gastroenterology, Guy’s & St Thomas’ Foundation trust, London, England, UK
| | - Nadim Haboubi
- Consultant Physician, University of South Wales, Pontypridd, Rhondda Cynon Taff, UK
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Singh R, Saini S, Ansari S, Jamwal S, Malakar D. 220 Exploring the use of mesenchymal stem cells for treatment of mastitis and metritis in cattle. Reprod Fertil Dev 2020. [DOI: 10.1071/rdv32n2ab220] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The present study was carried out to isolate mesenchymal stem cells (MSCs) from adipose tissue of cattle (Bos indicus), characterise them, and apply them for the treatment of mastitis and metritis in the cow. Cattle MSCs were isolated from adipose tissue near the loin region of cow. Isolated adipose tissue was subjected to enzymatic digestion using 2% collagenase with agitation at regular intervals. The cells obtained after digestion were resuspended in cell culture flasks containing growth enriched medium and cultured under standard culture conditions. Alkaline phosphatase staining was used as one of the parameters to confirm cultured putative MSCs. Bovine Ad-MSCs were further characterised using real time-PCR by amplification of MSC-specific markers: CD73, CD90, and CD105 as positive markers and CD34, CD45, and CD79a as negative markers. Immunocytochemistry showed the presence of CD73, CD90, and CD105 on the cell surface. Three groups-control (C), local (L), and intravenous (IV)-with 6 cows suffering from mastitis were taken in each group and subjected to MSC transplantation through local and intravenous routes. Control group animals were subjected to antibiotic treatment only. Similarly, another three groups were taken with 6 cows in each group suffering from metritis. Post-transplantation wound healing, tissue repair, and reduction in inflammation were monitored for 26 days, at different time intervals; that is, after Days 1, 3, 7, and 15. Blood samples were also collected from animals at the same time intervals for real time-PCR. A similar examination was also done in metritis groups along with the analysis of the reduction in turbidity of cervical fluid at the abovementioned time intervals. Real time-PCR was performed to determine relative expression of genes for proliferative factors, anti-inflammatory cytokines, and antimicrobial peptides on cells isolated from blood collected at different time intervals. Gene expression in the local group of mastitis subjected to MSC injection was significantly higher than that of the IV and control group. The somatic cell count declined in both local and IV groups compared with the control group. Whereas the expression of the same genes in the IV group of metritis was significantly higher than that of the local and control groups of cows. The turbidity of cervical fluid and mucus was reduced in the IV group compared with the local group. In conclusion, we demonstrated the healing potential of MSCs in a cow model via MSC injection. Promising results were obtained in curing mastitis in both local and IV groups, whereas healing in the case of metritis was significantly higher in the IV group compared with both the control and local groups of cows. The study indicates the potential use of MSc for treatment of mastitis and metritis in cattle through wound healing and decreasing microbial infection.
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Shokoohi GR, Ansari S, Abolghazi A, Gramishoar M, Nouripour-Sisakht S, Mirhendi H, Makimura K. The first case of fingernail onychomycosis due to Neoscytalidium novaehollandiae, molecular identification and antifungal susceptibility. J Mycol Med 2019; 30:100920. [PMID: 31892498 DOI: 10.1016/j.mycmed.2019.100920] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [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: 09/04/2019] [Revised: 12/11/2019] [Accepted: 12/16/2019] [Indexed: 02/07/2023]
Abstract
Onychomycosis is considered a fungal nail infection caused mainly by dermatophytes, yeasts and non-dermatophyte molds including dematiaceous fungi. Onychomycosis caused by non-dermatophyte molds is a health problem in the medical environment as the patients frequently return to outpatient clinics seeking new therapeutic modalities. Here, we report the first case of onychomycosis caused by a black fungus, Neoscytalidium novaehollandiae, in the right hand finger nail of a 52-year-old Iranian female with no history of immunodeficiency and underlying disease. The pattern of nail involvement was recognized as total dystrophic onychomycosis. Examination of nail scrapings with potassium hydroxide revealed brown, septate and branching sub-hyaline to dark-colored hyphae. The black fungus isolated in culture was identified as Neoscytalidium novaehollandiae by molecular analysis. The patient received oral terbinafine plus ciclopirox nail lacquer twice a week and began responding to the treatment three months after initial antifungal therapy. Additional four weeks' use of terbinafine plus ciclopirox nail lacquer completely resolved the clinical manifestations of onychomycosis. After four months, both microscopy and culture were negative.
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Affiliation(s)
- G R Shokoohi
- Department of Medical Parasitology and Mycology, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran
| | - S Ansari
- Department of Parasitology and Mycology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - A Abolghazi
- Department of Medical Parasitology and Mycology, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran
| | - M Gramishoar
- Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - S Nouripour-Sisakht
- Cellular and Molecular Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - H Mirhendi
- Department of Medical Parasitology and Mycology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - K Makimura
- Medical Mycology, Graduate School of Medicine, Teikyo University, Tokyo, Japan
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Shokuhfar T, Nazari P, Ansari S, Hurley M, Azmi S, Kuntz N, Rao V, Shaibani A. 03:54 PM Abstract No. 205 Transforaminal intrathecal access for injection of nusinersen in patients with spinal muscular atrophy. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Darwish M, Abdalla R, Aly M, golnari P, Potts M, Hurley M, Jahromi B, Shaibani A, Ansari S. 03:09 PM Abstract No. 161 6-French/088 distal guide sheath access into the petrocavernous internal carotid artery to optimize mechanical thrombectomy. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Abdalla R, Darwish M, Shokuhfar T, Hurley M, Potts M, Jahromi B, Shaibani A, Ansari S. 04:03 PM Abstract No. 167 Safety and efficacy of adjuvant endovascular interventions in refractory anterior circulation thrombectomies. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Ansari S, Ansari MS, Satsangee S, Jain R. WO3 decorated graphene nanocomposite based electrochemical sensor: A prospect for the detection of anti-anginal drug. Anal Chim Acta 2019; 1046:99-109. [DOI: 10.1016/j.aca.2018.09.028] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 08/14/2018] [Accepted: 09/13/2018] [Indexed: 01/02/2023]
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Pakshir K, Zareshahrabadi Z, Zomorodian K, Ansari S, Nouraei H, Gharavi A. Molecular identification of non- Cryptococcus yeasts associated with pigeon droppings in Shiraz, Southern Iran. Iran J Vet Res 2019; 20:204-208. [PMID: 31656526 PMCID: PMC6811705] [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] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 02/13/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Birds are considered as a reservoir for pathogenic and non-pathogenic fungi. Pigeon droppings have the potential for spreading these fungi to the environment. Cryptococcus species are important fungi associated with pigeon droppings. In this regard, there are many types of yeast associated with guano that is important for human and animal health. AIMS The main objective of this study is the identification of non-Cryptococcus yeasts isolated from pigeon dropping in Shiraz, Southern Iran. METHODS A total of 100 unknown yeasts, which were previously screened and identified as non-Cryptococcus from pigeon guano through the conventional methods, were used in this study. Identification of the isolates was performed based on conventional methods and DNA sequence analysis of internal transcribed spacer (ITS) rDNA gene region. The sequence results were deposited in NCBI database using the Basic Local Alignment Search Tool (BLAST). RESULTS A total of 16 species belonging to 7 genera were identified as Candida spp. 51% (8 species), Rhodotorula sp. 24%, Trichosporon spp. 21% (3 species), Rhodosporidium 2%, Saccharomyces 1%, Rhizoctonia 1%, and Meyerozyma 1%. The predominant isolates were Rhodotorula rubra (24%), Candida famata (20%), and Trichosporon asahii (13%). The other species were Rhodosporidium kratochvilovae 2 (2%), Saccharomyces cerevisiae 1 (1%), Rhizoctonia solani 1 (1%), and Meyerozyma caribbica 1 (1%). CONCLUSION Pigeon excreta examined in this study were associated with several kinds of opportunistic yeasts which could cause diseases in prone human and animals.
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Affiliation(s)
- K. Pakshir
- Department of Parasitology and Mycology, Basic Sciences in Infectious Diseases Research Center, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Z. Zareshahrabadi
- MSc in Medical Mycology, Department of Parasitology and Mycology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - K. Zomorodian
- Department of Parasitology and Mycology, Basic Sciences in Infectious Diseases Research Center, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - S. Ansari
- Department of Parasitology and Mycology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - H. Nouraei
- MSc in Medical Mycology, Department of Parasitology and Mycology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - A. Gharavi
- BSc in Microbiology, Department of Parasitology and Mycology, Basic Sciences in Infectious Diseases Research Center, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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Hayward B, Cardoso S, Grosso M, Ansari S, Napoli S. A Real-world Comparison of Infection Rate and Lymphocyte Counts Among Relapsing: Remitting Multiple Sclerosis Patients 50 Years or Older Treated with Subcutaneous Interferon Beta-1a Or Dimethyl Fumarate. Mult Scler Relat Disord 2018. [DOI: 10.1016/j.msard.2018.10.089] [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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Ansari S, Mudassir M, Vijayalekshmi B, Chattopadhyay P. CXCR4 antagonist mediated targeting of cancer cells using nanoparticles. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy430.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Pakshir K, Fakhim H, Vaezi A, Meis JF, Mahmoodi M, Zomorodian K, Javidnia J, Ansari S, Hagen F, Badali H. Molecular epidemiology of environmental Cryptococcus species isolates based on amplified fragment length polymorphism. J Mycol Med 2018; 28:599-605. [PMID: 30322827 DOI: 10.1016/j.mycmed.2018.09.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [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: 06/09/2018] [Revised: 09/15/2018] [Accepted: 09/25/2018] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Cryptococcosis is a major opportunistic fungal infection caused by members of the genus Cryptococcus, mainly those belonging to the Cryptococcus neoformans/Cryptococcus gattii species complexes. Here, we report a comprehensive molecular epidemiological study of the environmental distribution of Cryptococcus isolates in Shiraz, Iran with review of litreature. METHOD A total of 406 samples were obtained from Eucalyptus trees and 139 samples from pigeon droppings. Cryptococcus species identification and genotyping were performed by amplified fragment length polymorphism (AFLP) fingerprinting sequencing and sequencing of the ITS rDNA region. RESULTS Majority of the isolates belonged to the Naganishia taxon (n=69) including N. albida (formerly C. albidus, n=62), N. globosa (formerly C. saitoi, n=4), N. adeliensis (formerly C. adeliensis, n=2), N. diffluens (formerly C. diffluens, n=1), and the identified C. neoformans isolates (n=25) belonged to genotype AFLP1/VNI (n=22) and AFLP1B/VNII (n=3). CONCLUSION More research efforts should be employed to isolate C. gattii species complex from environmental niches in Iran and provide additional evidence related to novel molecular types.
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Affiliation(s)
- K Pakshir
- Basic Sciences in Infectious Diseases Research Center, Department of Medical Parasitology and Mycology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - H Fakhim
- Department of Medical Mycology and Parasitology, Urmia University of Medical Sciences, Urmia, Iran; Cellular and Molecular Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | - A Vaezi
- Department of Medical Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - J F Meis
- Department of Medical Microbiology and Infectious Diseases, Canisius-Wilhelmina Hospital (CWZ), Nijmegen, The Netherlands; Centre of Expertise in Mycology Radboudumc/CWZ, Nijmegen, The Netherlands
| | - M Mahmoodi
- Basic Sciences in Infectious Diseases Research Center, Department of Medical Parasitology and Mycology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - K Zomorodian
- Basic Sciences in Infectious Diseases Research Center, Department of Medical Parasitology and Mycology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - J Javidnia
- Department of Medical Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran; Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran
| | - S Ansari
- Department of Medical Parasitology and Mycology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - F Hagen
- Department of Medical Microbiology and Infectious Diseases, Canisius-Wilhelmina Hospital (CWZ), Nijmegen, The Netherlands; Department of Medical Mycology, Westerdijk Fungal Biodiversity Institute, Utrecht, The Netherlands
| | - H Badali
- Department of Medical Mycology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran; Invasive Fungi Research Center, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
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Ansari S, Fung K, MacNeil S, Nichols A, Yoo J, Sowerby L. The use of standardized order sets to improve adherence to evidence-based postoperative management in major head and neck surgery. Eur Ann Otorhinolaryngol Head Neck Dis 2018; 135:S107-S111. [DOI: 10.1016/j.anorl.2018.08.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 08/09/2018] [Accepted: 08/13/2018] [Indexed: 11/28/2022]
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Mudassir M, Kassab M, Ansari S, Bhagat M, Chattopadhyay P. PO-002 Single siRNA mediated post transcriptional and transcriptional gene silencing of HPV18 oncogenes. ESMO Open 2018. [DOI: 10.1136/esmoopen-2018-eacr25.540] [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] Open
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Ansari S, Régis JM, Jolie J, Saed-Samii N, Warr N, Korten W, Zielińska M, Salsac MD, Blanc A, Jentschel M, Köster U, Mutti P, Soldner T, Simpson G, Drouet F, Vancraeyenest A, de France G, Clément E, Stezowski O, Ur C, Urban W, Regan P, Podolyák Z, Larijani C, Townsley C, Carroll R, Wilson E, Mach H, Fraile L, Paziy V, Olaizola B, Vedia V, Bruce A, Roberts O, Smith J, Scheck M, Kröll T, Hartig AL, Ignatov A, Ilieva S, Lalkovski S, Mărginean N, Otsuka T, Shimizu N, Togashi T, Tsunoda Y. Lifetime measurement in neutron-rich A~100 nuclei. EPJ Web Conf 2018. [DOI: 10.1051/epjconf/201819305003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Lifetimes of excited states of the 98;100;102Zr nuclei were measured by using the Generalized Centroid Difference Method. The nuclei of interest were populated via neutron-induced fission of 241Pu and 235U during the EXILL-FATIMA campaign. The obtained lifetimes were used to calculate the B(E2) transition strengths and β deformation parameters which were then compared with the recent theoretical predictions obtained with Monte Carlo Shell Model.
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Stanhiser J, Hayward B, Ansari S, Mahony M, Fritz M, Mersereau J. Fresh transfer compared to primary frozen embryo transfer (FET): retrospective analysis of demographics, cycle characteristics and implantation, pregnancy, and live birth rates. Fertil Steril 2017. [DOI: 10.1016/j.fertnstert.2017.07.972] [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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Ansari S, Bromberg MB, Gibson SB. Physician perceptions about living organ donation in patients with Amyotrophic Lateral Sclerosis. Clin Neurol Neurosurg 2017; 160:125-129. [PMID: 28727995 DOI: 10.1016/j.clineuro.2017.07.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 06/27/2017] [Accepted: 07/04/2017] [Indexed: 12/13/2022]
Abstract
OBJECTIVES Patients with Amyotrophic Lateral Sclerosis (ALS) have expressed desire to become living organ donors but are unable to do so with current organ donation policies. Our objective is to assess ALS patient's interest in organ donation, and perceived concerns of this practice by ALS neurologists. PATIENTS AND METHODS An electronic survey was administered to ALS neurologists across the United States regarding living organ donation in ALS patients prior to respiratory failure. RESULTS 52 complete responses were received from 121 invites. 67% (35/52) of neurologists expressed no concerns about living organ donation in ALS patients, and 33% had concerns. The concerns related to respiratory failure, anesthesia exposure and renal dysfunction. With their concerns addressed, 71% of neurologists reported that they would endorse living organ donation. 49% of neurologists reported being asked by a patient for information regarding living organ donation. ALS neurologists felt that 22.8% of ALS patients (median 19%) would be interested in learning more about organ donation, while only 6% of neurologists broach this subject with their patients. CONCLUSION Our results indicate that 1 in every 4 ALS patients may be interested in exploring options for living organ donation, and this topic is not routinely addressed by ALS clinics. These results indicate an unexplored area of patient interest. To honor a patient's wishes to donate, the transplant community will have to accommodate living organ donation from terminally ill patients, and address neurologist concerns. Such a practice could benefit two groups of patients.
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Affiliation(s)
- S Ansari
- University of Utah, School of Medicine, Department of Neurology, Salt Lake City, UT, United States.
| | - M B Bromberg
- University of Utah, School of Medicine, Department of Neurology, Salt Lake City, UT, United States.
| | - S B Gibson
- University of Utah, School of Medicine, Department of Neurology, Salt Lake City, UT, United States.
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Sartelli M, Weber DG, Ruppé E, Bassetti M, Wright BJ, Ansaloni L, Catena F, Coccolini F, Abu-Zidan FM, Coimbra R, Moore EE, Moore FA, Maier RV, De Waele JJ, Kirkpatrick AW, Griffiths EA, Eckmann C, Brink AJ, Mazuski JE, May AK, Sawyer RG, Mertz D, Montravers P, Kumar A, Roberts JA, Vincent JL, Watkins RR, Lowman W, Spellberg B, Abbott IJ, Adesunkanmi AK, Al-Dahir S, Al-Hasan MN, Agresta F, Althani AA, Ansari S, Ansumana R, Augustin G, Bala M, Balogh ZJ, Baraket O, Bhangu A, Beltrán MA, Bernhard M, Biffl WL, Boermeester MA, Brecher SM, Cherry-Bukowiec JR, Buyne OR, Cainzos MA, Cairns KA, Camacho-Ortiz A, Chandy SJ, Che Jusoh A, Chichom-Mefire A, Colijn C, Corcione F, Cui Y, Curcio D, Delibegovic S, Demetrashvili Z, De Simone B, Dhingra S, Diaz JJ, Di Carlo I, Dillip A, Di Saverio S, Doyle MP, Dorj G, Dogjani A, Dupont H, Eachempati SR, Enani MA, Egiev VN, Elmangory MM, Ferrada P, Fitchett JR, Fraga GP, Guessennd N, Giamarellou H, Ghnnam W, Gkiokas G, Goldberg SR, Gomes CA, Gomi H, Guzmán-Blanco M, Haque M, Hansen S, Hecker A, Heizmann WR, Herzog T, Hodonou AM, Hong SK, Kafka-Ritsch R, Kaplan LJ, Kapoor G, Karamarkovic A, Kees MG, Kenig J, Kiguba R, Kim PK, Kluger Y, Khokha V, Koike K, Kok KY, Kong V, Knox MC, Inaba K, Isik A, Iskandar K, Ivatury RR, Labbate M, Labricciosa FM, Laterre PF, Latifi R, Lee JG, Lee YR, Leone M, Leppaniemi A, Li Y, Liang SY, Loho T, Maegele M, Malama S, Marei HE, Martin-Loeches I, Marwah S, Massele A, McFarlane M, Melo RB, Negoi I, Nicolau DP, Nord CE, Ofori-Asenso R, Omari AH, Ordonez CA, Ouadii M, Pereira Júnior GA, Piazza D, Pupelis G, Rawson TM, Rems M, Rizoli S, Rocha C, Sakakushev B, Sanchez-Garcia M, Sato N, Segovia Lohse HA, Sganga G, Siribumrungwong B, Shelat VG, Soreide K, Soto R, Talving P, Tilsed JV, Timsit JF, Trueba G, Trung NT, Ulrych J, van Goor H, Vereczkei A, Vohra RS, Wani I, Uhl W, Xiao Y, Yuan KC, Zachariah SK, Zahar JR, Zakrison TL, Corcione A, Melotti RM, Viscoli C, Viale P. Erratum to: Antimicrobials: a global alliance for optimizing their rational use in intra-abdominal infections (AGORA). World J Emerg Surg 2017; 12:35. [PMID: 28785301 PMCID: PMC5541698 DOI: 10.1186/s13017-017-0147-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Accepted: 07/27/2017] [Indexed: 02/08/2023] Open
Abstract
[This corrects the article DOI: 10.1186/s13017-016-0089-y.].
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Affiliation(s)
- M. Sartelli
- Department of Surgery, Macerata Hospital, Via Santa Lucia 2, 62100 Macerata, Italy
| | - D. G. Weber
- 0000 0004 0453 3875grid.416195.eDepartment of Trauma Surgery, Royal Perth Hospital, Perth, Australia
| | - E. Ruppé
- 0000 0001 0721 9812grid.150338.cGenomic Research Laboratory, Geneva University Hospitals, Geneva, Switzerland
| | - M. Bassetti
- grid.411492.bInfectious Diseases Division, Santa Maria Misericordia University Hospital, Udine, Italy
| | - B. J. Wright
- 0000 0001 2216 9681grid.36425.36Department of Emergency Medicine and Surgery, Stony Brook University School of Medicine, Stony Brook, NY USA
| | - L. Ansaloni
- 0000 0004 1757 8431grid.460094.fGeneral Surgery Department, Papa Giovanni XXIII Hospital, Bergamo, Italy
| | - F. Catena
- Department of General, Maggiore Hospital, Parma, Italy
| | - F. Coccolini
- grid.414614.2Department of Surgery, “Infermi” Hospital, Rimini, Italy
| | - F. M. Abu-Zidan
- 0000 0001 2193 6666grid.43519.3aDepartment of Surgery, College of Medicine and Health Sciences, UAE University, Al-Ain, United Arab Emirates
| | - R. Coimbra
- 0000 0001 2107 4242grid.266100.3Department of Surgery, UC San Diego Medical Center, San Diego, USA
| | - E. E. Moore
- Department of Surgery, University of Colorado, Denver Health Medical Center, Denver, CO USA
| | - F. A. Moore
- 0000 0004 1936 8091grid.15276.37Department of Surgery, Division of Acute Care Surgery, and Center for Sepsis and Critical Illness Research, University of Florida College of Medicine, Gainesville, FL USA
| | - R. V. Maier
- 0000000122986657grid.34477.33Department of Surgery, University of Washington, Seattle, WA USA
| | - J. J. De Waele
- 0000 0004 0626 3303grid.410566.0Department of Critical Care Medicine, Ghent University Hospital, Ghent, Belgium
| | - A. W. Kirkpatrick
- 0000 0004 0469 2139grid.414959.4General, Acute Care, and Trauma Surgery, Foothills Medical Centre, Calgary, AB Canada
| | - E. A. Griffiths
- 0000 0001 2177 007Xgrid.415490.dGeneral and Upper GI Surgery, Queen Elizabeth Hospital, Birmingham, UK
| | - C. Eckmann
- Department of General, Visceral, and Thoracic Surgery, Klinikum Peine, Academic Hospital of Medical University Hannover, Peine, Germany
| | - A. J. Brink
- 0000 0004 0634 9246grid.415666.6Department of Clinical microbiology, Ampath National Laboratory Services, Milpark Hospital, Johannesburg, South Africa
| | - J. E. Mazuski
- 0000 0001 2355 7002grid.4367.6Department of Surgery, School of Medicine, Washington University in Saint Louis, Saint Louis, MO USA
| | - A. K. May
- 0000 0004 1936 9916grid.412807.8Departments of Surgery and Anesthesiology, Division of Trauma and Surgical Critical Care, Vanderbilt University Medical Center, Nashville, TN USA
| | - R. G. Sawyer
- 0000 0004 1936 9932grid.412587.dDepartment of Surgery, University of Virginia Health System, Charlottesville, VA USA
| | - D. Mertz
- 0000 0004 1936 8227grid.25073.33Departments of Medicine, Clinical Epidemiology and Biostatistics, and Pathology and Molecular Medicine, McMaster University, Hamilton, ON Canada
| | - P. Montravers
- 0000 0001 2217 0017grid.7452.4Département d’Anesthésie-Réanimation, CHU Bichat Claude-Bernard-HUPNVS, Assistance Publique-Hôpitaux de Paris, University Denis Diderot, Paris, France
| | - A. Kumar
- 0000 0004 1936 9609grid.21613.37Section of Critical Care Medicine and Section of Infectious Diseases, Department of Medicine, Medical Microbiology and Pharmacology/Therapeutics, University of Manitoba, Winnipeg, MB Canada
| | - J. A. Roberts
- 0000 0000 9320 7537grid.1003.2Australia Pharmacy Department, Royal Brisbane and Womens’ Hospital, Burns, Trauma, and Critical Care Research Centre, Australia School of Pharmacy, The University of Queensland, QLD, Brisbane, Australia
| | - J. L. Vincent
- 0000 0001 2348 0746grid.4989.cDepartment of Intensive Care, Erasme Hospital, Université libre de Bruxelles, Brussels, Belgium
| | - R. R. Watkins
- 0000 0004 0459 7529grid.261103.7Department of Internal Medicine, Division of Infectious Diseases, Akron General Medical Center, Northeast Ohio Medical University, Akron, OH USA
| | - W. Lowman
- 0000 0004 1937 1135grid.11951.3dClinical Microbiology and Infectious Diseases, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - B. Spellberg
- 0000 0001 2156 6853grid.42505.36Division of Infectious Diseases, Los Angeles County-University of Southern California (USC) Medical Center, Keck School of Medicine at USC, Los Angeles, CA USA
| | - I. J. Abbott
- 0000 0004 0432 511Xgrid.1623.6Department of Infectious Diseases, Alfred Hospital, Melbourne, VIC Australia
| | - A. K. Adesunkanmi
- 0000 0001 2183 9444grid.10824.3fDepartment of Surgery, College of Health Sciences, Obafemi Awolowo University, Ile-Ife, Nigeria
| | - S. Al-Dahir
- 0000 0000 9679 3586grid.268355.fDivision of Clinical and Administrative Sciences, College of Pharmacy, Xavier University of Louisiana, New Orleans, LA USA
| | - M. N. Al-Hasan
- 0000 0000 9075 106Xgrid.254567.7Department of Medicine, Division of Infectious Diseases, University of South Carolina School of Medicine, Columbia, SC USA
| | - F. Agresta
- General Surgery, ULSS19 del Veneto, Adria Hospital, Adria, RO Italy
| | - A. A. Althani
- 0000 0004 0634 1084grid.412603.2Biomedical Research Center, Qatar University, Doha, Qatar
| | - S. Ansari
- 0000 0001 0665 3553grid.412334.3Department of Microbiology, Chitwan Medical College, and Department of Environmental and Preventive Medicine, Oita University, Oita, Japan
| | - R. Ansumana
- 0000 0001 0721 6195grid.469452.8Centre for Neglected Tropical Diseases, Liverpool School of Tropical Medicine, University of Liverpool, and Mercy Hospital Research Laboratory, Njala University, Bo, Sierra Leone
| | - G. Augustin
- 0000 0004 0397 9648grid.412688.1Department of Surgery, University Hospital Center, Zagreb, Croatia
| | - M. Bala
- 0000 0001 2221 2926grid.17788.31Trauma and Acute Care Surgery Unit, Hadassah Hebrew University Medical Center, Jerusalem, Israel
| | - Z. J. Balogh
- 0000 0004 0577 6676grid.414724.0Department of Traumatology, John Hunter Hospital and University of Newcastle, Newcastle, NSW Australia
| | - O. Baraket
- Department of Surgery, Bizerte Hospital, Bizerte, Tunisia
| | - A. Bhangu
- 0000 0001 2177 007Xgrid.415490.dAcademic Department of Surgery, Queen Elizabeth Hospital, Birmingham, UK
| | - M. A. Beltrán
- Department of General Surgery, Hospital San Juan de Dios de La Serena, La Serena, Chile
| | - M. Bernhard
- 0000 0001 2230 9752grid.9647.cEmergency Department, University of Leipzig, Leipzig, Germany
| | - W. L. Biffl
- 0000000107903411grid.241116.1Department of Surgery, University of Colorado, Denver, CO USA
| | - M. A. Boermeester
- 0000000404654431grid.5650.6Department of Surgery, Academic Medical Centre, Amsterdam, The Netherlands
| | - S. M. Brecher
- 0000 0004 0367 5222grid.475010.7Department of Pathology and Laboratory Medicine, VA Boston HealthCare System, and Department of Pathology and Laboratory Medicine, Boston University School of Medicine, Boston, MA USA
| | - J. R. Cherry-Bukowiec
- 0000000086837370grid.214458.eDivision of Acute Care Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI USA
| | - O. R. Buyne
- 0000 0004 0444 9382grid.10417.33Department of Surgery, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
| | - M. A. Cainzos
- 0000 0000 8816 6945grid.411048.8Department of Surgery, Hospital Clínico Universitario, Santiago de Compostela, Spain
| | - K. A Cairns
- 0000 0004 0432 5259grid.267362.4Pharmacy Department, Alfred Health, Melbourne, VIC Australia
| | - A. Camacho-Ortiz
- 0000 0004 1760 058Xgrid.464574.0Hospital Epidemiology and Infectious Diseases, Hospital Universitario Dr Jose Eleuterio Gonzalez, Monterrey, Mexico
| | - S. J. Chandy
- 0000 0004 1781 1790grid.448741.aDepartment of Pharmacology, Pushpagiri Institute of Medical Sciences and Research Centre, Thiruvalla, Kerala India
| | - A. Che Jusoh
- Department of General Surgery, Kuala Krai Hospital, Kuala Krai, Kelantan Malaysia
| | - A. Chichom-Mefire
- Department of Surgery and Obstetrics/Gynaecology, Regional Hospital, Limbe, Cameroon
| | - C. Colijn
- 0000 0001 2113 8111grid.7445.2Department of Mathematics, Imperial College London, London, UK
| | - F. Corcione
- 0000 0004 1755 4122grid.416052.4Department of Laparoscopic and Robotic Surgery, Colli-Monaldi Hospital, Naples, Italy
| | - Y. Cui
- 0000 0000 9792 1228grid.265021.2Department of Surgery, Tianjin Nankai Hospital, Nankai Clinical School of Medicine, Tianjin Medical University, Tianjin, China
| | - D. Curcio
- Infectología Institucional SRL, Hospital Municipal Chivilcoy, Buenos Aires, Argentina
| | - S. Delibegovic
- 0000 0001 0682 9061grid.412410.2Department of Surgery, University Clinical Center of Tuzla, Tuzla, Bosnia and Herzegovina
| | - Z. Demetrashvili
- Department General Surgery, Kipshidze Central University Hospital, Tbilisi, Georgia
| | - B. De Simone
- Department of Surgery, Quatre Villes Hospital, St Cloud, France
| | - S. Dhingra
- grid.430529.9School of Pharmacy, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Eric Williams Medical Sciences Complex, Uriah Butler Highway, Champ Fleurs, Trinidad and Tobago
| | - J. J. Diaz
- Division of Acute Care Surgery, Program in Trauma, R Adams Cowley Shock Trauma Center, University of Maryland, Baltimore, MD USA
| | - I. Di Carlo
- 0000 0004 1757 1969grid.8158.4Department of Surgical Sciences, Cannizzaro Hospital, University of Catania, Catania, Italy
| | - A. Dillip
- 0000 0000 9144 642Xgrid.414543.3Ifakara Health Institute, Dar es Salaam, Tanzania
| | - S. Di Saverio
- 0000 0004 1759 7093grid.416290.8Department of Surgery, Maggiore Hospital, Bologna, Italy
| | - M. P. Doyle
- 0000 0004 1936 738Xgrid.213876.9Center for Food Safety, Department of Food Science and Technology, University of Georgia, Griffin, GA USA
| | - G. Dorj
- grid.444534.6School of Pharmacy and Biomedicine, Mongolian National University of Medical Sciences, Ulaanbaatar, Mongolia
| | - A. Dogjani
- Department of Surgery, University Hospital of Trauma, Tirana, Albania
| | - H. Dupont
- 0000 0001 0789 1385grid.11162.35Département d’Anesthésie-Réanimation, CHU Amiens-Picardie, and INSERM U1088, Université de Picardie Jules Verne, Amiens, France
| | - S. R. Eachempati
- Department of Surgery, Division of Burn, Critical Care, and Trauma Surgery (K.P.S., S.R.E.), Weill Cornell Medical College/New York-Presbyterian Hospital, New York, USA
| | - M. A. Enani
- 0000 0004 0593 1832grid.415277.2Department of Medicine, Infectious Disease Division, King Fahad Medical City, Riyadh, Saudi Arabia
| | - V. N. Egiev
- 0000 0000 9559 0613grid.78028.35Department of Surgery, Pirogov Russian National Research Medical University, Moscow, Russian Federation
| | - M. M. Elmangory
- grid.414827.cSudan National Public Health Laboratory, Federal Ministry of Health, Khartoum, Sudan
| | - P. Ferrada
- 0000 0004 0458 8737grid.224260.0Department of Surgery, Virginia Commonwealth University, Richmond, VA USA
| | - J. R. Fitchett
- 000000041936754Xgrid.38142.3cDepartment of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, MA USA
| | - G. P. Fraga
- 0000 0001 0723 2494grid.411087.bDivision of Trauma Surgery, Department of Surgery, School of Medical Sciences, University of Campinas (Unicamp), Campinas, SP Brazil
| | | | - H. Giamarellou
- grid.414012.26th Department of Internal Medicine, Hygeia General Hospital, Athens, Greece
| | - W. Ghnnam
- 0000000103426662grid.10251.37Department of General Surgery, Mansoura Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - G. Gkiokas
- 0000 0001 2155 0800grid.5216.02nd Department of Surgery, Aretaieion University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - S. R. Goldberg
- 0000 0004 0458 8737grid.224260.0Department of Surgery, Virginia Commonwealth University, Richmond, VA USA
| | - C. A. Gomes
- Department of Surgery, Hospital Universitário Terezinha de Jesus, Faculdade de Ciências Médicas e da Saúde de Juiz de Fora, Juiz de Fora, Brazil
| | - H. Gomi
- 0000 0001 2369 4728grid.20515.33Center for Global Health, Mito Kyodo General Hospital, University of Tsukuba, Mito, Ibaraki Japan
| | - M. Guzmán-Blanco
- Hospital Privado Centro Médico de Caracas and Hospital Vargas de Caracas, Caracas, Venezuela
| | - M. Haque
- grid.449287.4Unit of Pharmacology, Faculty of Medicine and Defense Health, National Defence University of Malaysia, Kuala Lumpur, Malaysia
| | - S. Hansen
- 0000 0001 2218 4662grid.6363.0Institute of Hygiene, Charité-Universitätsmedizin Berlin, Hindenburgdamm 27, 12203 Berlin, Germany
| | - A. Hecker
- 0000 0000 8584 9230grid.411067.5Department of General and Thoracic Surgery, University Hospital Giessen, Giessen, Germany
| | | | - T. Herzog
- 0000 0004 0490 981Xgrid.5570.7Department of Surgery, St. Josef Hospital, Ruhr University Bochum, Bochum, Germany
| | - A. M. Hodonou
- grid.440525.2Department of Surgery, Faculté de médecine, Université de Parakou, BP 123, Parakou, Bénin
| | - S. K. Hong
- 0000 0004 0533 4667grid.267370.7Division of Trauma and Surgical Critical Care, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - R. Kafka-Ritsch
- 0000 0000 8853 2677grid.5361.1Department of Visceral, Transplant and Thoracic Surgery, Innsbruck Medical University, Innsbruck, Austria
| | - L. J. Kaplan
- 0000 0004 1936 8972grid.25879.31Department of Surgery Philadelphia VA Medical Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
| | - G. Kapoor
- grid.415285.fDepartment of Microbiology, Gandhi Medical College, Bhopal, India
| | - A. Karamarkovic
- 0000 0001 2166 9385grid.7149.bClinic for Emergency Surgery, Medical Faculty University of Belgrade, Belgrade, Serbia
| | - M. G. Kees
- 0000 0001 2218 4662grid.6363.0Department of Anesthesiology and Intensive Care, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany
| | - J. Kenig
- 0000 0001 2162 9631grid.5522.03rd Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
| | - R. Kiguba
- 0000 0004 0620 0548grid.11194.3cDepartment of Pharmacology and Therapeutics, College of Health Sciences, Makerere University, Kampala, Uganda
| | - P. K. Kim
- 0000 0001 2152 0791grid.240283.fDepartment of Surgery, Albert Einstein College of Medicine and Jacobi Medical Center, Bronx, NY USA
| | - Y. Kluger
- 0000 0000 9950 8111grid.413731.3Department of General Surgery, Division of Surgery, Rambam Health Care Campus, Haifa, Israel
| | - V. Khokha
- Department of Emergency Surgery, City Hospital, Mozyr, Belarus
| | - K. Koike
- 0000 0004 0372 2033grid.258799.8Department of Primary Care and Emergency Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - K. Y. Kok
- Department of Surgery, The Brunei Cancer Centre, Jerudong Park, Brunei
| | - V. Kong
- 0000 0004 0576 7753grid.414386.cDepartment of Surgery, Edendale Hospital, Pietermaritzburg, South Africa
| | - M. C. Knox
- 0000 0004 1936 834Xgrid.1013.3School of Medicine, Western Sydney University, Campbelltown, NSW Australia
| | - K. Inaba
- 0000 0001 2156 6853grid.42505.36Division of Acute Care Surgery and Surgical Critical Care, Department of Surgery, Los Angeles County and University of Southern California Medical Center, University of Southern California, Los Angeles, CA USA
| | - A. Isik
- 0000 0001 1498 7262grid.412176.7Department of General Surgery, Erzincan University, Faculty of Medicine, Erzincan, Turkey
| | - K. Iskandar
- 0000 0004 0417 6142grid.444421.3Department of Pharmacy, Lebanese International University, Beirut, Lebanon
| | - R. R. Ivatury
- 0000 0004 0458 8737grid.224260.0Department of Surgery, Virginia Commonwealth University, Richmond, VA USA
| | - M. Labbate
- 0000 0004 1936 7611grid.117476.2School of Life Science and The ithree Institute, University of Technology, Sydney, NSW Australia
| | - F. M. Labricciosa
- Department of Biomedical Sciences and Public Health, Unit of Hygiene, Preventive Medicine and Public Health, UNIVMP, Ancona, Italy
| | - P. F. Laterre
- 0000 0001 2294 713Xgrid.7942.8Department of Critical Care Medicine, Cliniques Universitaires Saint Luc, Université Catholique de Louvain (UCL), Brussels, Belgium
| | - R. Latifi
- 0000 0001 2168 186Xgrid.134563.6Department of Surgery, Division of Trauma, University of Arizona, Tucson, AZ USA
| | - J. G. Lee
- 0000 0004 0470 5454grid.15444.30Department of Surgery, Yonsei University College of Medicine, Seoul, South Korea
| | - Y. R. Lee
- grid.449762.aTexas Tech University Health Sciences Center School of Pharmacy, Abilene, TX USA
| | - M. Leone
- 0000 0001 2176 4817grid.5399.6Department of Anaesthesiology and Critical Care, Hôpital Nord, Assistance Publique-Hôpitaux de Marseille, Aix Marseille Université, Marseille, France
| | - A. Leppaniemi
- Abdominal Center, University Hospital Meilahti, Helsinki, Finland
| | - Y. Li
- 0000 0001 2314 964Xgrid.41156.37Department of Surgery, Inling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - S. Y. Liang
- 0000 0001 2355 7002grid.4367.6Division of Infectious Diseases, Division of Emergency Medicine, Washington University School of Medicine, St. Louis, MO USA
| | - T. Loho
- 0000000120191471grid.9581.5Division of Infectious Diseases, Department of Clinical Pathology, Faculty of Medicine, University of Indonesia, Cipto Mangunkusumo General Hospital, Jakarta, Indonesia
| | - M. Maegele
- 0000 0000 9024 6397grid.412581.bDepartment for Traumatology and Orthopedic Surgery, Cologne Merheim Medical Center (CMMC), University of Witten/Herdecke (UW/H), Cologne, Germany
| | - S. Malama
- 0000 0000 8914 5257grid.12984.36Health Research Program, Institute of Economic and Social Research, University of Zambia, Lusaka, Zambia
| | - H. E. Marei
- 0000 0004 0634 1084grid.412603.2Biomedical Research Center, Qatar University, Doha, Qatar
| | - I. Martin-Loeches
- Multidisciplinary Intensive Care Research Organization (MICRO), Wellcome Trust-HRB Clinical Research, Department of Clinical Medicine, Trinity Centre for Health Sciences, St James’ University Hospital, Dublin, Ireland
| | - S. Marwah
- 0000 0004 1771 1642grid.412572.7Department of Surgery, Post-Graduate Institute of Medical Sciences, Rohtak, India
| | - A. Massele
- 0000 0004 0635 5486grid.7621.2Department of Clinical Pharmacology, School of Medicine, University of Botswana, Gaborone, Botswana
| | - M. McFarlane
- 0000 0004 0500 5353grid.412963.bDepartment of Surgery, Radiology, University Hospital of the West Indies, Kingston, Jamaica
| | - R. B. Melo
- 0000 0000 9375 4688grid.414556.7General Surgery Department, Centro Hospitalar de São João, Porto, Portugal
| | - I. Negoi
- Department of Surgery, Emergency Hospital of Bucharest, Bucharest, Romania
| | - D. P. Nicolau
- Center of Anti-Infective Research and Development, Hartford, CT USA
| | - C. E. Nord
- 0000 0000 9241 5705grid.24381.3cDepartment of Laboratory Medicine, Division of Clinical Microbiology, Karolinska University Hospital Huddinge, Stockholm, Sweden
| | | | - A. H. Omari
- 0000 0004 0411 3985grid.460946.9Department of Surgery, King Abdullah University Hospital, Irbid, Jordan
| | - C. A. Ordonez
- 0000 0001 2295 7397grid.8271.cDepartment of Surgery and Critical Care, Universidad del Valle, Fundación Valle del Lili, Cali, Colombia
| | - M. Ouadii
- Department of Surgery, Hassan II University Hospital, Medical School of Fez, Sidi Mohamed Benabdellah University, Fez, Morocco
| | - G. A. Pereira Júnior
- Division of Emergency and Trauma Surgery, Ribeirão Preto Medical School, Ribeirão Preto, Brazil
| | - D. Piazza
- Division of Surgery, Vittorio Emanuele Hospital, Catania, Italy
| | - G. Pupelis
- Department of General and Emergency Surgery, Riga East University Hospital ‘Gailezers’, Riga, Latvia
| | - T. M. Rawson
- 0000 0001 2113 8111grid.7445.2National Institute for Health Research, Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, Imperial College London, Hammersmith Campus, London, UK
| | - M. Rems
- Department of General Surgery, Jesenice General Hospital, Jesenice, Slovenia
| | - S. Rizoli
- 0000 0001 2157 2938grid.17063.33Trauma and Acute Care Service, St Michael’s Hospital, University of Toronto, Toronto, Canada
| | - C. Rocha
- U.S. Naval Medical Research Unit N° 6, Callao, Peru
| | - B. Sakakushev
- General Surgery Department, Medical University, University Hospital St George, Plovdiv, Bulgaria
| | - M. Sanchez-Garcia
- 0000 0001 0671 5785grid.411068.aIntensive Care Department, Hospital Clínico San Carlos, Madrid, Spain
| | - N. Sato
- 0000 0004 0372 2033grid.258799.8Department of Primary Care and Emergency Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - H. A. Segovia Lohse
- 0000 0001 2289 5077grid.412213.7II Cátedra de Clínica Quirúrgica, Hospital de Clínicas, Universidad Nacional de Asunción, San Lorenzo, Paraguay
| | - G. Sganga
- 0000 0004 1760 4193grid.411075.6Department of Surgery, Catholic University of Sacred Heart, Policlinico A Gemelli, Rome, Italy
| | - B. Siribumrungwong
- 0000 0004 1937 1127grid.412434.4Department of Surgery, Faculty of Medicine, Thammasat University Hospital, Thammasat University, Pathum Thani, Thailand
| | - V. G. Shelat
- grid.240988.fDepartment of General Surgery, Tan Tock Seng Hospital, Tan Tock Seng, Singapore, Singapore
| | - K. Soreide
- 0000 0004 1936 7443grid.7914.bDepartment of Gastrointestinal Surgery, Stavanger University Hospital, Stavanger, Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - R. Soto
- Department of Emergency Surgery and Critical Care, Centro Medico Imbanaco, Cali, Colombia
| | - P. Talving
- Department of Surgery, North Estonia Medical Center, Tallinn, Estonia
| | - J. V. Tilsed
- grid.417700.5Surgery Health Care Group, Hull and East Yorkshire Hospitals NHS Trust, Hull, UK
| | - J. F. Timsit
- 0000 0000 8588 831Xgrid.411119.dAPHP medical and infectious diseases ICU, Bichat Hospital, Paris, France
| | - G. Trueba
- 0000 0000 9008 4711grid.412251.1Institute of Microbiology, Biological and Environmental Sciences College, University San Francisco de Quito, Quito, Ecuador
| | - N. T. Trung
- Department of Molecular Biology, Tran Hung Dao Hospital, No 1, Tran Hung Dao Street, Hai Ba Trung Dist, Hanoi, Vietnam
| | - J. Ulrych
- 0000 0000 9100 9940grid.411798.21st Department of Surgery - Department of Abdominal, Thoracic Surgery and Traumatology, General University Hospital, Prague, Czech Republic
| | - H. van Goor
- 0000 0004 0444 9382grid.10417.33Department of Surgery, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
| | - A. Vereczkei
- 0000 0001 0663 9479grid.9679.1Department of Surgery, Medical School University of Pécs, Pécs, Hungary
| | - R. S. Vohra
- 0000 0001 0440 1889grid.240404.6Nottingham Oesophago-Gastric Unit, Nottingham University Hospitals, Nottingham, UK
| | - I. Wani
- 0000 0001 0174 2901grid.414739.cDepartment of Surgery, Sheri-Kashmir Institute of Medical Sciences, Srinagar, India
| | - W. Uhl
- 0000 0004 0490 981Xgrid.5570.7Department of Surgery, St. Josef Hospital, Ruhr University Bochum, Bochum, Germany
| | - Y. Xiao
- 0000 0004 1759 700Xgrid.13402.34State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affilliated Hospital, Zhejiang University, Zhejiang, China
| | - K. C. Yuan
- 0000 0004 1756 1461grid.454210.6Trauma and Emergency Surgery Department, Chang Gung Memorial Hospital, Taoyuan City, Taiwan
| | - S. K. Zachariah
- Department of Surgery, MOSC Medical College Kolenchery, Cochin, India
| | - J. R. Zahar
- Infection Control Unit, Angers University, CHU d’Angers, Angers, France
| | - T. L. Zakrison
- 0000 0004 1936 8606grid.26790.3aDivision of Trauma and Surgical Critical Care, DeWitt Daughtry Family Department of Surgry, University of Miami, Miami, FL USA
| | - A. Corcione
- 0000 0004 1755 4122grid.416052.4Anesthesia and Intensive Care Unit, AORN dei Colli Vincenzo Monaldi Hospital, Naples, Italy
| | - R. M. Melotti
- grid.412311.4Anesthesiology and Intensive Care Unit, Sant’Orsola University Hospital, Bologna, Italy
| | - C. Viscoli
- 0000 0001 2151 3065grid.5606.5Infectious Diseases Unit, University of Genoa (DISSAL) and IRCCS San Martino-IST, Genoa, Italy
| | - P. Viale
- 0000 0004 1757 1758grid.6292.fInfectious Diseases Unit, Department of Medical and Surgical Sciences, Sant’ Orsola Hospital, University of Bologna, Bologna, Italy
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Ansari S, Berger M. The alkylphosphocholine erufosine induces ER and mitochondrial stress in head and neck cancer cells. Eur J Cancer 2016. [DOI: 10.1016/s0959-8049(16)33005-2] [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: 10/20/2022]
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Zahedi N, Abedian Kenari S, Mohseni S, Aslani N, Ansari S, Badali H. Is human Dectin-1 Y238X gene polymorphism related to susceptibility to recurrent vulvovaginal candidiasis? Curr Med Mycol 2016; 2:15-19. [PMID: 28681024 PMCID: PMC5490285 DOI: 10.18869/acadpub.cmm.2.3.15] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Background and Purpose: Vulvovaginal candidiasis is a frequent disease affecting approximately more than %75 of all childbearing women at least once in their lifetime by overgrowth of opportunistic Candida species. Recurrent vulvovaginal candidiasis (RVVC) is common in otherwise healthy individuals. Several risk factors were reported to contribute to RVVC susceptibility. A polymorphism in Dectin-1 (Y238X, rs16910526 ) was identified in patients with RVVC and hypothesized that genetic factors play an important role in susceptibility to RVVC. Herein, we aimed to survey the polymorphisms in the Dectin-1 gene, linked to susceptibility to RVVC. Materials and Methods: In the current study, blood samples were obtained from 25 patients who had frequent vulvovaginal candidiasis relapses and were diagnosed as RVVC. In addition, blood cultures were obtained from control group comprising of healthy individuals (n=25) with no history of RVVC, vaginal discharge, or itching on the day of examination. Dectin-1 Y238X gene polymorphism was investigated using Bi-PASA and DNA sequencing. Results: The analysis revealed that all of the patients were wild-type homozygous for Dectin-1 Y238X polymorphisms. None of the individuals showed heterozygous or mutant homozygous Dectin-1 polymorphism. Conclusion: No significant correlations were observed between the susceptibility to RVVC and Dectin-1 Y238X polymorphism in the Iranian population, which was not previously studied.
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Affiliation(s)
- N Zahedi
- Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran.,Department of Medical Mycology and Parasitology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - S Abedian Kenari
- Immunogenetics Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - S Mohseni
- Department of Microbiology, Sari Branch, Islamic Azad University, Sari, Iran
| | - N Aslani
- Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran.,Department of Medical Mycology and Parasitology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - S Ansari
- Department of Medical Parasitology and Mycology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - H Badali
- Department of Medical Mycology and Parasitology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Invasive Fungi Research Centre (IFRC), School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
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Ansari S, Kuhn A, Honarmand A, Hou S, Khan M, Chueh J, Bom IVD, Hurley M, Shaibani A, Gounis M, Potts M, Jahromi B, Wakhloo A, Puri A. O-012 Emergent Endovascular Management of Long-segment Carotid Artery Dissections in Acute Ischemic Stroke Intervention with Multiple Tandem Stents. J Neurointerv Surg 2016. [DOI: 10.1136/neurintsurg-2016-012589.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Honarmand A, Ansari S, Hurley M, Golnari P, Potts M, Jahromi B, Shaibani A. O-031 Endovascular Management of Intracranial Arteriovenous Malformations with Various Angioarchitecture Features in the Pediatric Population: Is Spetzler-Martin Grading Predictive? J Neurointerv Surg 2016. [DOI: 10.1136/neurintsurg-2016-012589.31] [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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Castonguay A, Nogueira R, English J, Satti S, Farid H, Veznedaroglu E, Binning M, Puri A, Vora N, Budzik R, Dabus G, Linfante I, Janardhan V, Alshekhlee A, Abraham M, Edgell R, Taqi M, El Khoury R, Mokin M, Mokin M, Majjhoo A, Kabbani M, Froehler M, Finch I, Ansari S, Novakovic R, Nguyen T, Zaidat O. O-004 Analysis of M2 Occlusions within TREVO Acute Ischemic Stroke (TRACK) stent-retriever Thrombectomy Registry. J Neurointerv Surg 2016. [DOI: 10.1136/neurintsurg-2016-012589.4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Sahin O, Mutlu M, Saatci O, Ansari S, Raza U. Combinatorial targeting of PI3K and MAPK signaling pathways using microRNAs to inhibit cell proliferation and invasion in breast cancer. Eur J Cancer 2016. [DOI: 10.1016/s0959-8049(16)61616-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Honarmand A, Shaibani A, Hurley M, Golnari P, Potts M, Jahromi B, Ansari S. O-007 Recanalization and Outcome Comparisons in Acute Ischemic Stroke Patients Treated with Mechanical Thrombectomy Selected by CT/MR Perfusion Imaging Versus CT Angiography. J Neurointerv Surg 2016. [DOI: 10.1136/neurintsurg-2016-012589.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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