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Gilbert DC, Nankivell M, Rush H, Clarke NW, Mangar S, Al-Hasso A, Rosen S, Kockelbergh R, Sundaram SK, Dixit S, Laniado M, McPhail N, Shaheen A, Brown S, Gale J, Deighan J, Marshall J, Duong T, Macnair A, Griffiths A, Amos CL, Sydes MR, James ND, Parmar MKB, Langley RE. A Repurposing Programme Evaluating Transdermal Oestradiol Patches for the Treatment of Prostate Cancer Within the PATCH and STAMPEDE Trials: Current Results and Adapting Trial Design. Clin Oncol (R Coll Radiol) 2024; 36:e11-e19. [PMID: 37973477 DOI: 10.1016/j.clon.2023.10.054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 10/31/2023] [Indexed: 11/19/2023]
Abstract
AIMS Androgen deprivation therapy (ADT), usually achieved with luteinising hormone releasing hormone analogues (LHRHa), is central to prostate cancer management. LHRHa reduce both testosterone and oestrogen and are associated with significant long-term toxicity. Previous use of oral oestrogens as ADT was curtailed because of cardiovascular toxicity. Transdermal oestrogen (tE2) patches are a potential alternative ADT, supressing testosterone without the associated oestrogen-depletion toxicities (osteoporosis, hot flushes, metabolic abnormalities) and avoiding cardiovascular toxicity, and we here describe their evaluation in men with prostate cancer. MATERIALS AND METHODS The PATCH (NCT00303784) adaptive trials programme (incorporating recruitment through the STAMPEDE [NCT00268476] platform) is evaluating the safety and efficacy of tE2 patches as ADT for men with prostate cancer. An initial randomised (LHRHa versus tE2) phase II study (n = 251) with cardiovascular toxicity as the primary outcome measure has expanded into a phase III evaluation. Those with locally advanced (M0) or metastatic (M1) prostate cancer are eligible. To reflect changes in both management and prognosis, the PATCH programme is now evaluating these cohorts separately. RESULTS Recruitment is complete, with 1362 and 1128 in the M0 and M1 cohorts, respectively. Rates of androgen suppression with tE2 were equivalent to LHRHa, with improved metabolic parameters, quality of life and bone health indices (mean absolute change in lumbar spine bone mineral density of -3.0% for LHRHa and +7.9% for tE2 with an estimated difference between arms of 9.3% (95% confidence interval 5.3-13.4). Importantly, rates of cardiovascular events were not significantly different between the two arms and the time to first cardiovascular event did not differ between treatment groups (hazard ratio 1.11, 95% confidence interval 0.80-1.53; P = 0.54). Oncological outcomes are awaited. FUTURE Efficacy results for the M0 cohort (primary outcome measure metastases-free survival) are expected in the final quarter of 2023. For M1 patients (primary outcome measure - overall survival), analysis using restricted mean survival time is being explored. Allied translational work on longitudinal samples is underway.
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Affiliation(s)
- D C Gilbert
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials and Methodology, London, UK; University Hospitals Sussex NHS Foundation Trust, Royal Sussex County Hospital, Brighton, UK.
| | - M Nankivell
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials and Methodology, London, UK
| | - H Rush
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials and Methodology, London, UK
| | - N W Clarke
- The Christie and Salford Royal Hospitals, Manchester, UK
| | - S Mangar
- Charing Cross Hospital, Imperial College Healthcare NHS Trust, London, UK
| | - A Al-Hasso
- Beatson West of Scotland Cancer Centre, Glasgow, UK
| | - S Rosen
- National Heart and Lung Institute, Imperial College, London, UK
| | - R Kockelbergh
- Department of Urology, University Hospitals of Leicester, Leicester, UK
| | - S K Sundaram
- Mid-Yorkshire Teaching NHS Trust, Pinderfields Hospital, Wakefield, UK
| | - S Dixit
- Scunthorpe General Hospital, Scunthorpe, UK
| | | | | | | | - S Brown
- Airedale General Hospital, Keighley, UK
| | - J Gale
- Queen Alexandra Hospital, Portsmouth, UK
| | - J Deighan
- Patient Representative, MRC Clinical Trials Unit at UCL, London, UK
| | - J Marshall
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials and Methodology, London, UK
| | - T Duong
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials and Methodology, London, UK
| | - A Macnair
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials and Methodology, London, UK; Guys and St Thomas' NHS Foundation Trust, London, UK
| | - A Griffiths
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials and Methodology, London, UK
| | - C L Amos
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials and Methodology, London, UK
| | - M R Sydes
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials and Methodology, London, UK
| | - N D James
- Institute of Cancer Research, Sutton, UK
| | - M K B Parmar
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials and Methodology, London, UK
| | - R E Langley
- MRC Clinical Trials Unit at UCL, Institute of Clinical Trials and Methodology, London, UK
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Dixit S, Jain P, Jain S, Gupta R, Grover C, Sharma S. Introducing a novel histopathological scoring system to assess disease activity and chronicity in cutaneous lichen planus: A proposal. J Cutan Pathol 2023; 50:922-928. [PMID: 37430417 DOI: 10.1111/cup.14478] [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: 01/03/2022] [Revised: 05/11/2023] [Accepted: 05/29/2023] [Indexed: 07/12/2023]
Abstract
BACKGROUND Lichen planus (LP) is a chronic inflammatory disorder caused by an autoimmune attack by cytotoxic T-cells. The clinical course is variable, with episodes of remission and exacerbation. A clinicopathological scoring system for cutaneous LP is not available for effectively assessing disease severity and monitoring treatment response. This study was designed with the aim of proposing an objective and reproducible scoring system, comprising histopathological features of active and chronic disease, and to correlate these scores with clinical morphology groups. METHODOLOGY This is a retrospective study of 200 cases of cutaneous LP, which were categorized into five clinical groups (I-V) at the time of biopsy. The corresponding histopathological feature was assigned a score based on feature of active and chronic disease. Individual scores were summated to calculate a histopathological index (index [AI] and chronicity index [CI]). The comparison of indices between various clinical groups was performed by Mann-Whitney U test. RESULTS The median AI was lowest (1) for post-inflammatory hyperpigmentation (clinical group I) and highest (7) for the bullous group (clinical group IV). The median CI (7) was highest for the scarring group (clinical group V). The difference between median AI of clinical group I (post-inflammatory hyperpigmentation) and rest of the groups (clinical groups II, III, IV, and V) was statistically significant (p value <0.05). CONCLUSION We present this clinico-histopathological scoring system as a reliable and facile method of assessing the activity and severity of LP.
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Affiliation(s)
- Sonali Dixit
- Department of Pathology, AIIMS, New Delhi, India
- Department of Pathology, UCMS and GTB Hospital, Delhi, India
| | - Pragya Jain
- Department of Pathology, UCMS and GTB Hospital, Delhi, India
| | - Sonal Jain
- Department of Pathology, UCMS and GTB Hospital, Delhi, India
| | - Richa Gupta
- Department of Pathology, UCMS and GTB Hospital, Delhi, India
| | - Chander Grover
- Department of Dermatology and STD, UCMS and GTB Hospital, Delhi, India
| | - Sonal Sharma
- Department of Pathology, UCMS and GTB Hospital, Delhi, India
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Sharma S, Wadhwa S, Dixit S. Giant Placental Chorioangioma in a Young Patient Causing Adverse Fetal Outcome. J Microsc Ultrastruct 2023. [DOI: 10.4103/jmau.jmau_71_22] [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: 01/19/2023] Open
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Jha S, Jain P, Dixit S, Sharma S. Anastomosing Hemangioma of Ovary with Stromal Luteinization Masquerading as Sex Cord-Stromal Tumor on Intraoperative Consultation. J Microsc Ultrastruct 2022; 10:208-210. [PMID: 36687324 PMCID: PMC9846922 DOI: 10.4103/jmau.jmau_92_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 05/07/2022] [Accepted: 05/09/2022] [Indexed: 01/25/2023] Open
Abstract
Anastomosing hemangiomas (AHs) are benign vascular tumor with rare occurrence in the ovary and the majority being asymptomatic. We report one such case of AH with stromal luteinization. A 35-year-old female had complaints of abdominal pain and heavy menstrual bleeding for 2 years. Her lactate dehydrogenase was markedly raised. Following the clinical suspicion of germ cell tumor, exploratory laparotomy and right salpingo-oophorectomy were done. On frozen section due to extensive stromal luteinization, diagnosis of sex cord-stromal tumor was suggested. However, the case was finally diagnosed with AH with extensive stromal luteinization. This case highlighted the potential mimics of AH due to coexistent raised biomarkers and secondary changes, thereby posing a diagnostic dilemma on intraoperative consultation.
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Affiliation(s)
- Shivani Jha
- Department of Pathology, UCMS and GTB Hospital, Delhi, India
| | - Pragya Jain
- Department of Pathology, UCMS and GTB Hospital, Delhi, India
| | - Sonali Dixit
- Department of Pathology, UCMS and GTB Hospital, Delhi, India
| | - Sonal Sharma
- Department of Pathology, UCMS and GTB Hospital, Delhi, India,Address for correspondence: Dr. Sonal Sharma, Department of Pathology, UCMS and GTB Hospital, Delhi, India. E-mail:
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Patidar V, Dixit S, Ghandour M, Keshri A, Singh M, Kundu S. Carbohydrate and Protein Fractionations of commonly used forages and agro-industrial byproducts as per Cornell Net Carbohydrate and Protein system (CNCPS). JLS 2022. [DOI: 10.33259/jlivestsci.2022.182-187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Dixit S, Jha T, Gupta R, Shah D, Dayal N, Kotru M. Practical Approach to the Interpretation of Complete Blood Count Reports and Histograms. Indian Pediatr 2022; 59:485-491. [PMID: 35695142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Improvement in technology and inclusion of new parameters in automated hematology analyzers allows for better and faster detection of anemias. These parameters along with histograms provide details and clues that help to diagnose the etiology of anemia and help bridge the time lag in detection and treatment. Timely and expert interpretation of complete blood counts should not be limited to the pathologist but should also interest the clinician to allow for efficient patient care.
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Affiliation(s)
- Sonali Dixit
- Department of Pathology, University College of Medical Sciences and GTB Hospital, Delhi
| | - Tanvi Jha
- Department of Pathology, University College of Medical Sciences and GTB Hospital, Delhi
| | - Richa Gupta
- Department of Pathology, University College of Medical Sciences and GTB Hospital, Delhi
| | - Dheeraj Shah
- Department of Pediatrics, University College of Medical Sciences and GTB Hospital, Delhi
| | - Nitin Dayal
- Department of Hematology, Max Super Speciality Hospital, Saket, New Delhi
| | - Mrinalini Kotru
- Department of Pathology, University College of Medical Sciences and GTB Hospital, Delhi. Correspondence to: Dr Mrinalini Kotru, Department of Pathology, University College of Medical Sciences and GTB Hospital, Dilshad Garden, Delhi 110095.
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Gogoi P, Dixit S, Diwaker P. Clear cell variant of squamous cell carcinoma of eyelid, mimicking sebaceous carcinoma: A rare case report. J Microsc Ultrastruct 2022; 10:30-32. [PMID: 35433262 PMCID: PMC9012405 DOI: 10.4103/jmau.jmau_70_20] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 09/09/2020] [Accepted: 09/16/2020] [Indexed: 11/07/2022] Open
Abstract
Clear cell variant of squamous cell carcinoma (SCC) is an extremely rare neoplasm. Here, we report a case of clear cell variant of SCC which presented as an eyelid nodule. A 56-year-old male presented with a painless, small, pedunculated nodule in the left upper eyelid. On microscopic evaluation, tumor cells were arranged in nests and lobules with few foci of necrosis. Tumor cells were polygonal in shape, having abundant clear and vacuolated cytoplasm with peripherally pushed hyperchromatic nuclei. Two main differential diagnoses considered were sebaceous carcinoma and clear cell variant of SCC. On immunohistochemistry, tumors cells were negative for androgen receptor. A final diagnosis of clear cell variant of SCC was made. In a malignant eyelid tumor with clear cell morphology, a differential diagnosis of clear cell variant of SCC should be kept in mind before making a diagnosis of sebaceous carcinoma because sebaceous carcinoma possesses a poorer prognosis.
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Sharma P, Tanveer N, Dixit S. Histopathological features of gas gangrene. INDIAN J PATHOL MICR 2022; 65:211-212. [PMID: 35075001 DOI: 10.4103/ijpm.ijpm_1236_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023] Open
Affiliation(s)
- Pooja Sharma
- Department of Pathology, University College of Medical Sciences, Dilshad Garden, New Delhi, India
| | - Nadeem Tanveer
- Department of Pathology, University College of Medical Sciences, Dilshad Garden, New Delhi, India
| | - Sonali Dixit
- Department of Pathology, University College of Medical Sciences, Dilshad Garden, New Delhi, India
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Garg N, Tanveer N, Dixit S. Student feedback on the use of gamification for teaching pathology postgraduates. Natl Med J India 2021; 34:375-376. [PMID: 35818094 DOI: 10.25259/nmji_105_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Affiliation(s)
- Neha Garg
- Department of Pathology University College of Medical Sciences, Dilshad Garden, Delhi, India
| | - Nadeem Tanveer
- Department of Pathology University College of Medical Sciences, Dilshad Garden, Delhi, India
| | - Sonali Dixit
- Department of Pathology University College of Medical Sciences, Dilshad Garden, Delhi, India
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Jain S, Chauhan S, Dixit S, Garg N, Sharma S. Role of Direct Immunofluorescence Microscopy in Spectrum of Diffuse Proliferative Glomerulonephritis: A Single-Center Study. J Microsc Ultrastruct 2021; 9:177-182. [PMID: 35070693 PMCID: PMC8751678 DOI: 10.4103/jmau.jmau_62_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 07/13/2020] [Accepted: 08/10/2020] [Indexed: 01/10/2023] Open
Abstract
Introduction Immunofluorescence (IF) microscopy is an essential tool for the analysis of glomerular diseases. In this study, we studied the significance of the IF technique together with light microscopy (LM) and clinical details in the diagnosis of different types of diffuse proliferative glomerulonephritis (GN). We intended to evaluate the spectrum of Diffuse Proliferative Glomerulonephritis (DPGN) in our institute. Materials and Methods We evaluated a total of 95 kidney biopsies received in the past 10 years. All biopsies were scrutinized by LM and IF techniques. Clinical details were documented in a predesigned form. Results The predominant clinical presentation in this study was nephrotic syndrome (49.4%) followed by systemic lupus erythromatosus with suspected renal involvement (24.2%). On microscopy, lupus nephritis (LN) was the most common DPGN in the study (35.7%), followed by immunoglobulin (Ig) A nephropathy (25.2%) and postinfectious GN (PIGN) (16.8%). The majority of patients were in the <30 years age group (72.6%), with the average age of patients being 24.4 years. The dominant deposit on IF in LN was C3 and IgG (100%). A high deposit of IgA (100%) in IgA nephropathy and of IgG and C3 (100%) in membranoproliferative GN was seen. PIGN showed dominant positive staining of IgG (92.8%). Conclusion The predominant clinical presentation was of nephrotic syndrome and on LM LN was the most commonly diagnosed DPGN in this study. Direct IF is vital for classifying DPGN, followed by electron microscopy, which is an essential tool. This article describes a rational evaluation of kidney biopsies with DPGN pattern on LM in a way that guides toward the logical assessment to reach the diagnosis. Using the IF technique and comparing it with LM and clinical details, we evaluated the spectrum DPGN in our center.
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Affiliation(s)
- Sonal Jain
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, New Delhi, India
| | - Shivangi Chauhan
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, New Delhi, India
| | - Sonali Dixit
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, New Delhi, India
| | - Neha Garg
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, New Delhi, India
| | - Sonal Sharma
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, New Delhi, India
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Diwan H, Tanveer N, Dixit S, Kumar H. A WhatsApp-based introductory histopathology and cytology course for first-year pathology postgraduate students. Natl Med J India 2021; 34:293-297. [PMID: 35593239 DOI: 10.25259/nmji_451_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Background The first-year pathology postgraduates can take a long time to learn the basic skills of microscopy, which can become a barrier to learning. Methods A WhatsApp group comprising all 14 postgraduate first-year students with one senior resident and one faculty as group administrators was formed. For the study, 50 routine cases (35 histopathology cases and 15 cytopathology cases) captured by using a smartphone camera and annotated using image-editing software, along with relevant descriptions and weblinks, were sent to the WhatsApp group. A pre- and post-test comprising 15 cases each was conducted and the results were compared by non-parametric Wilcoxon rank test. A feedback form about the effectiveness of this method of learning was circulated at the end of the study. Results The results of the post-test were better than the pre-test by the non-parametric Wilcoxon rank test. Both the active participants (>10 posts) and passive participants of the study group showed statistically significant improvement in the scores and posted a similar number of intellectually thought-provoking posts. The students' responses to the questionnaire also indicated that they liked the new method of instruction. Conclusion This pilot study shows that smartphone-based learning methods can supplant the traditional methods of teaching for pathology postgraduates.
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Affiliation(s)
- Himanshi Diwan
- Department of Pathology University College of Medical Sciences, Dilshad Garden, Delhi 110095, India
| | - Nadeem Tanveer
- Department of Pathology University College of Medical Sciences, Dilshad Garden, Delhi 110095, India
| | - Sonali Dixit
- Department of Pathology University College of Medical Sciences, Dilshad Garden, Delhi 110095, India
| | - Harresh Kumar
- Department of Pathology University College of Medical Sciences, Dilshad Garden, Delhi 110095, India
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Wilcox JM, Consoli DC, Tienda AA, Dixit S, Buchanan RA, May JM, Nobis WP, Harrison FE. Altered synaptic glutamate homeostasis contributes to cognitive decline in young APP/PSEN1 mice. Neurobiol Dis 2021; 158:105486. [PMID: 34450329 PMCID: PMC8457528 DOI: 10.1016/j.nbd.2021.105486] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 08/10/2021] [Accepted: 08/16/2021] [Indexed: 12/02/2022] Open
Abstract
Non-convulsive epileptiform activity is a common and under-studied comorbidity of Alzheimer’s disease that may significantly contribute to onset of clinical symptoms independently of other neuropathological features such as β-amyloid deposition. We used repeated treatment with low dose kainic acid (KA) to trigger subthreshold epileptiform activity in young (less than 6 months) wild-type (WT) and APP/PSEN1 mice to test the role of disruption to the glutamatergic system in epileptiform activity changes and the development of memory deficits. Short-term repeated low-dose KA (five daily treatments with 5 mg/kg, IP) impaired long-term potentiation in hippocampus of APP/PSEN1 but not WT mice. Long-term repeated low-dose KA (fourteen weeks of bi-weekly treatment with 7.5–10 mg/kg) led to high mortality in APP/PSEN1 mice. KA treatment also impaired memory retention in the APP/PSEN1 mice in a Morris water maze task under cognitively challenging reversal learning conditions where the platform was moved to a new location. Four weeks of bi-weekly treatment with 5 mg/kg KA also increased abnormal spike activity in APP/PSEN1 and not WT mice but did not impact sleep/wake behavioral states. These findings suggest that hyperexcitability in Alzheimer’s disease may indeed be an early contributor to cognitive decline that is independent of heavy β-amyloid-plaque load, which is absent in APP/PSEN1 mice under 6 months of age.
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Affiliation(s)
- J M Wilcox
- Program in Neuroscience, Vanderbilt University, Nashville, TN, United States of America; Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - D C Consoli
- Program in Neuroscience, Vanderbilt University, Nashville, TN, United States of America
| | - A A Tienda
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - S Dixit
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - R A Buchanan
- Program in Neuroscience, Vanderbilt University, Nashville, TN, United States of America
| | - J M May
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - W P Nobis
- Department of Neurology, Vanderbilt University Medical Center, Nashville, TN, United States of America
| | - F E Harrison
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States of America.
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Dixit S, Diwaker P, Wadhwa N, Arora VK. Galectin-3 and CD117 immunocytochemistry in the diagnosis of indeterminate thyroid lesions: A pilot study. Diagn Cytopathol 2021; 49:1129-1137. [PMID: 34297482 DOI: 10.1002/dc.24835] [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: 03/28/2021] [Revised: 06/13/2021] [Accepted: 07/13/2021] [Indexed: 11/09/2022]
Abstract
BACKGROUND Indeterminate thyroid lesions have always been a grey zone in the field of thyroid cytopathology. Immunocytochemistry (ICC) has emerged as a promising tool to correctly classify these indeterminate thyroid lesions into benign and malignant. Hence we planned to assess a panel of immune markers in the diagnosis of indeterminate thyroid lesions consisting of Galectin-3, considered positive for malignancy and CD117 which is positive in benign follicular epithelial cells and negative in malignant lesions. METHODS All the thyroid aspirates reported as indeterminate lesions over a period of 3 years were evaluated. Galectin-3 and CD117 immunocytochemistry was done in 50 alcohol fixed Pap stained smears of AUS/FLUS, FN/SFN and SM category lesions. The expression of both immune markers was assessed by semi-quantitative method and ICC score was calculated. RESULT Of 50 indeterminate lesions, 29 were positive for Galectin-3 and 21 were negative. CD117 was positive in 19 cases and rests 31 were negative. With the use of this ICC panel 29/30 indeterminate lesions in which histopathological correlation was available could be recategorized correctly into benign and malignant. The combined sensitivity and specificity of Galectin-3 and CD117 for categorising the indeterminate lesions into malignant category was 100%. CONCLUSION The combined use of positive and negative immune markers for thyroid malignancy increases the sensitivity and specificity of ICC to categorise the indeterminate thyroid lesions into benign and malignant. In cases with discordant ICC results we propose that inclusion of one additional positive and/or negative marker may resolve the diagnostic dilemma.
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Affiliation(s)
- Sonali Dixit
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, Delhi, India
| | - Preeti Diwaker
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, Delhi, India
| | - Neelam Wadhwa
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, Delhi, India
| | - Vinod K Arora
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, Delhi, India
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Singh A, Kuttippurath J, Abbhishek K, Mallick N, Raj S, Chander G, Dixit S. Biogenic link to the recent increase in atmospheric methane over India. J Environ Manage 2021; 289:112526. [PMID: 33848879 DOI: 10.1016/j.jenvman.2021.112526] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 02/26/2021] [Accepted: 03/30/2021] [Indexed: 05/23/2023]
Abstract
Methane (CH4) is a prominent Greenhouse Gas (GHG) and its global atmospheric concentration has increased significantly since the year 2007. Anthropogenic CH4 emissions are projected to be 9390 million metric tonnes by 2020. Here, we present the long-term changes in atmospheric methane over India and suggest possible alternatives to reduce soil emissions from paddy fields. The increase in atmospheric CH4 concentrations from 2009 to 2020 in India is significant, about 0.0765 ppm/decade. The Indo-Gangetic Plains, Peninsular India and Central India show about 0.075, 0.076 and 0.074 ppm/decade, respectively, in 2009-2020. Seasonal variations in CH4 emissions depend mostly on agricultural activities and meteorology, and contribution during the agricultural intensive period of Kharif-Rabi (i.e., June-December) is substantial in this regard. The primary reason for agricultural soil emissions is the application of chemical fertilizers to improve crop yield. However, for rice farming, soil amendments involving stable forms of carbon can reduce GHG emissions and improve soil carbon status. High crop production in pot culture experiment resulted in lower potential yield-scaled GHG emissions in rice with biochar supplement. The human impact of global warming induced by agricultural activities could be reduced by using biochar as a natural solution.
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Affiliation(s)
- A Singh
- CORAL, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India; AGFE Department, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - J Kuttippurath
- CORAL, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
| | - K Abbhishek
- CORAL, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - N Mallick
- AGFE Department, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - S Raj
- CORAL, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - G Chander
- International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Hyderabad, India
| | - S Dixit
- International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Hyderabad, India
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Dixit S, Garg N, Kotru M, Gupta R. Plasmodium Vivax Malaria: Usual Illness with Dysregulated Immune Profile. Iran J Immunol 2021; 17:250-254. [PMID: 32996902 DOI: 10.22034/iji.2020.85891.1729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Afebrile Plasmodium vivax disease is believed to be extremely rare; and so is the association of a secondary immune thrombocytopenia due to Plasmodiun vivax malaria. This is a case of malaria presenting in an atypical manner. A middle aged male (31 years) came with occasional bleeding around gums, small petechial haemorrhages over chest and abdomen, and blood in stools for a few months, but no fever. In addition, the cervical lymph nodes were slightly enlarged. Spleen was 3 cm below costal margin. Platelets were found to have markedly decreased with clusters of megakaryocytes in the bone marrow. A possibility of Immune thrombocytopenic purpura was considered and immunoglobulin started intravenously, however platelet counts remained low. Later, in a follow up smear, trophozoites of P. vivax were discovered. Antimalarial drugs (Artesunate) were administrated for the patient along with IV immunoglobulins, to which he responded. It was revealed by flow cytometry that the ratio of helper to cytotoxic cells was reversed (0.9). This highlighted a rare case of afebrile malaria in association with immune dysregulation. Accordingly, malaria, though uncommon, could trigger immune thrombocytopenia.
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Affiliation(s)
- Sonali Dixit
- Department of Pathology, University College of Medical Sciences and GTB Hospital, Delhi, India
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16
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Chauhan S, Jain S, Garg N, Dixit S, Sharma S. Crescents in Kidney Biopsy - What Do They Imply? A Clinicopathologic Study of 40 Cases in a Tertiary Care Center. J Microsc Ultrastruct 2021; 9:81-85. [PMID: 34350104 PMCID: PMC8291093 DOI: 10.4103/jmau.jmau_8_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 06/11/2020] [Accepted: 06/19/2020] [Indexed: 11/30/2022] Open
Abstract
Introduction: Crescents in glomeruli mean proliferation of parietal epithelium of Bowman's capsule with the presence of macrophages, lymphocytes, neutrophils, fibrin, and collagen. When crescents are present in >50% of nonfibrosed glomeruli, it is called crescentic glomerulonephritis (CGN). The presence of crescents is indicative of poorer prognosis. CGN can be pauci immune (PI), immune complex mediated (ICM), and anti-glomerular basement membrane (anti-GBM) disease. Aim: The aim was to study the clinicopathological spectrum of CGN over a period of 10 years in our center. Materials and Methods: Forty kidney biopsies with the presence of crescents over a period of 5 years were retrieved retrospectively from the histopathology records of the department of pathology. The clinical history, laboratory parameters, histopathology report, and the direct immunofluorescence (DIF) findings were analyzed. Results: Totally 40 cases had crescents on light microscopy. Out of these, 17 cases qualified for CGN. The mean age of the patients was 20 years. Nephritic syndrome was the most common presentation in these 17 cases. The mean creatinine level was 3.55 mg/dL. PI (7/17, 41.1%) was the most common category, followed by ICM (6/17, 35.2%) and anti-GBM (4/17, 23.5%). Out of the ICM, two cases were of IgA nephropathy with crescents and one of lupus with crescents. Conclusion: PI is the most common type of CGN. DIF examination is essential for exact categorization of CGN. Kidney biopsy in these cases can guide management and benefit patients with timely initiation of aggressive therapy.
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Affiliation(s)
- Shivangi Chauhan
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, Dilshad Garden, New Delhi, India
| | - Sonal Jain
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, Dilshad Garden, New Delhi, India
| | - Neha Garg
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, Dilshad Garden, New Delhi, India
| | - Sonali Dixit
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, Dilshad Garden, New Delhi, India
| | - Sonal Sharma
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, Dilshad Garden, New Delhi, India
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Dixit S, Thakur N, Shukla A, Upadhyay SK, C Verma P. Molecular characterization of N-methyl-d-aspartate receptor from Bemisia tabaci. Insect Mol Biol 2021; 30:231-240. [PMID: 33368750 DOI: 10.1111/imb.12690] [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] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/13/2020] [Accepted: 12/23/2020] [Indexed: 06/12/2023]
Abstract
The N-methyl-d-aspartate receptors (NMDARs) are ionotropic ligand gated channels that are highly permeable to calcium ions. In insects, NMDARs are associated with glutamatergic neurotransmission governing diverse physiological and biological processes like vitellogenesis and ovarian development. Therefore, NMDAR may act as attractive target for insect pest control. In present study, we performed structural and functional characterization of NMDARs in Bemisia tabaci, a highly invasive crop pest and potent virus vector. We identified that NMDAR consists of three subunits each encoded by single gene in whiteflies which are highly conserved among different insect orders. Expression analysis suggests that subunit 1 (BtNR1) and subunit 2 (BtNR2) are the main functional units. External supplementation of NMDAR ligand or BtNRs silencing was lethal to insects, which suggested that NMDAR function is highly balanced in whiteflies.
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Affiliation(s)
- S Dixit
- Molecular Biology and Biotechnology, CSIR-National Botanical Research Institute, (Council of Scientific and Industrial Research), Rana Pratap Marg, Lucknow, India
- Department of Biology, University of Western Ontario, London, Ontario, Canada
| | - N Thakur
- Molecular Biology and Biotechnology, CSIR-National Botanical Research Institute, (Council of Scientific and Industrial Research), Rana Pratap Marg, Lucknow, India
- DST-Centre for Policy Research, IIT-Delhi, New Delhi, India
| | - A Shukla
- Department of Biology, University of Western Ontario, London, Ontario, Canada
| | - S K Upadhyay
- Department of Botany, Panjab University, Chandigarh, India
| | - P C Verma
- Molecular Biology and Biotechnology, CSIR-National Botanical Research Institute, (Council of Scientific and Industrial Research), Rana Pratap Marg, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
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Dixit PB, Dixit S, Dahal S, Poudel P, Roy D, Manandhar N. Pattern of Dental Problems among Patients Visiting a Dental Hospital during COVID-19 Pandemic. Kathmandu Univ Med J (KUMJ) 2021; 18:58-61. [PMID: 33605240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Background Coronavirus disease 2019 (COVID-19) is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and Nepal is a part of this worldwide corona virus disease. In this critical situation, the patients have a sense of insecurity visiting dental hospital. Objective To assess the pattern of dental problems in patients visiting a dental college during COVID-19. Method A descriptive cross-sectional study was conducted in Dental Hospital of Kathmandu Medical College and Teaching Hospital from May to August 2020. The patients visiting the Dental hospital were assessed for dental problems. Data were analyzed in Statistical Package of Social Sciences version 20. Frequency and percentage for pattern of dental problems were calculated. Result Most of the patients of age group of 14 to 31 years 530 (36.53%) had dental problems during the survey period. Out of total patients having dental emergency, 739 (50.93%) were males and 712 (49.07%) were females. Majority 545 (37.56%) visited the dental hospital for endodontic consultation followed by emergency consultation for oral surgical procedures 298 (20.54%). Least consulted dental emergency condition was prosthodontic consultation 18 (1.24%). Conclusion The study findings showed that the major dental problems in patients causing emergency visit to dental hospital during COVID-19 pandemic period were dental pain and swelling requiring endodontic consultation and the least need felt is prosthodontic consultation.
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Affiliation(s)
- P B Dixit
- Department of Conservative Dentistry and Endodontics, Kathmandu Medical College and Teaching Hospital, Duwakot, Bhaktapur, Nepal
| | - S Dixit
- Department of Prosthodontics, Kathmandu Medical College and Teaching Hospital, Duwakot, Bhaktapur, Nepal
| | - S Dahal
- Department of Community and Public Health Dentistry, Kathmandu Medical College and Teaching Hospital, Duwakot, Bhaktapur, Nepal
| | - P Poudel
- Department of Orthodontics and Dentofacial Orthopaedics, Kathmandu Medical College and Teaching Hospital, Duwakot, Bhaktapur, Nepal
| | - D Roy
- Department of Conservative Dentistry and Endodontics, Kathmandu Medical College and Teaching Hospital, Duwakot, Bhaktapur, Nepal
| | - N Manandhar
- Department of Community Medicine, Kathmandu Medical College and Teaching Hospital, Duwakot, Bhaktapur, Nepal
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Sharma S, Dixit S, Jain S, Garg N, Chauhan S. C3 Glomerulopathy: Diagnosis of a Rare Entity in a Resource-Limited Setting. Saudi J Kidney Dis Transpl 2021; 32:1128-1133. [DOI: 10.4103/1319-2442.338286] [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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Kumar H, Tanveer N, Dixit S, Diwan H, Naz F. Smartphone-assisted tele-gynepathology: A pilot study. J Obstet Gynaecol Res 2020; 46:1879-1884. [PMID: 32875651 DOI: 10.1111/jog.14347] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [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: 03/19/2020] [Revised: 05/09/2020] [Accepted: 05/23/2020] [Indexed: 11/28/2022]
Abstract
INTRODUCTION Traditional telepathology techniques like whole slide imaging require expensive equipment and are currently out of reach of the developing countries. However, the improvements in smartphone camera resolution and availability of faster internet have made smartphone-assisted telepathology possible. METHODS A total of 186 cases pertaining to gynecologic pathology reported by single consultant (NT) were retrieved from the records of the histopathology department. A trained histopathologist then photographed representative areas of each case by using the smartphone camera. After a wash off period of 6 months, the images along with the clinical details were sent by Whatsapp Messenger to the same reporting pathologist. The reporting pathologist replied with the diagnosis of each case by using Whatsapp. RESULTS The smartphone diagnosis was concordant in 179/186 (96.2%) cases. The intraobserver concordance rates varied with the organ involved - it was highest for endometrial and myometrial pathology (123/126, 97.6%) lowest for ovarian lesions (08/10, 80%). For cervical pathology, it was 97.2% (35/36) and for fallopian tube pathology it was 92.9% (13/14). CONCLUSION Although the initial results of this pilot study are encouraging, there is a long way to go before smartphone-assisted telepathology can be put to routine use for the second opinion. More experience of the pathologists with this technique and faster internet and better smartphone cameras will further improve the concordance of smartphone-assisted telepathology diagnosis with conventional microscopy diagnosis.
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Affiliation(s)
- Harresh Kumar
- Department of Pathology, University College of Medical Sciences, Dilshad Garden, Delhi, India
| | - Nadeem Tanveer
- Department of Pathology, University College of Medical Sciences, Dilshad Garden, Delhi, India
| | - Sonali Dixit
- Department of Pathology, University College of Medical Sciences, Dilshad Garden, Delhi, India
| | - Himanshi Diwan
- Department of Pathology, University College of Medical Sciences, Dilshad Garden, Delhi, India
| | - Farhat Naz
- Department of Laboratory Oncology, All India Institute of Medical Sciences, Delhi, India
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Dixit S, Tanveer N, Kumar H, Diwan H. Smartphone-Assisted Telecytopathology: An Intraobserver Concordance Study. Acta Cytol 2020; 64:399-405. [PMID: 32074596 DOI: 10.1159/000506145] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Accepted: 01/25/2020] [Indexed: 01/12/2023]
Abstract
INTRODUCTION Telecytology is the practice of cytology at a distance. The images captured by a camera are sent to the cytopathologist at a different location who views the images and reaches a diagnosis. Recently, smartphone-assisted telepathology has been evaluated for different subspecialities of pathology including cytology for second opinion. MATERIALS AND METHODS For the purpose of the study, a total of 151 cases of fine needle aspiration and 10 cases of urine cytology reported by a single pathologist were retrieved from the records. The images of all the cases were captured by a trained pathologist using the primary camera of a smartphone from the ocular of a binocular microscope. The images were sent by WhatsApp to the same pathologist who had made the conventional microscopy diagnosis. The images were viewed on the smartphone screen by the pathologist who replied with the diagnosis after analysing all the images with or without digital zoom. RESULTS A total of 154 cases out of 161 were correctly diagnosed on smartphone-assisted telepathology (overall intraobserver concordance of 95.6%). For head and neck swellings, the concordance was 65/70 (92.9%), for breast lesions, it was 23/24 (95.8%), and for miscellaneous swellings, it was 57/57 (100%). For urine cytology, the concordance rate was 9/10 (90%). CONCLUSION Though the results of this study are encouraging, further improvement in the smartphone camera resolution and internet connectivity would enhance the utility of smartphone-assisted telecytopathology.
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Affiliation(s)
- Sonali Dixit
- Department of Pathology, University College of Medical Sciences, Delhi University, Delhi, India
| | - Nadeem Tanveer
- Department of Pathology, University College of Medical Sciences, Delhi University, Delhi, India,
| | - Harresh Kumar
- Department of Pathology, University College of Medical Sciences, Delhi University, Delhi, India
| | - Himanshi Diwan
- Department of Pathology, University College of Medical Sciences, Delhi University, Delhi, India
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Abstract
Amyloidosis is a complex multi-system disorder characterized by deposition of an aberrant protein in tissues with kidney being the main target organ. The age of presentation of amyloid A (AA) amyloidosis is highest among adults aged 60-80 years followed by 45-55 years. However, presentation in younger age group is rare. We aimed to study the clinicopathological spectrum of patients with biopsy-proven renal AA amyloidosis aged <35 years in the last five years. This retrospective study was done on patients admitted from January 2015 to December 2019. Nine cases of AA amyloidosis diagnosed on kidney biopsy in ≤35 years of age were included in the study. Clinical, laboratory, and demographic data of all patients were obtained. Histopathological and direct immunofluorescence findings were further evaluated. The mean age (±standard deviation) was 22.5 ± 6.7 years with a range of 14-32 years. The most common underlying disorder of AA renal amyloidosis was Tuberculosis (TB) (88.88%, 8/9) with cyclosporine induced in one of the cases (11.11%). In all nine cases, glomeruli were mostly enlarged with moderate to marked mesangial expansion with thickened arteries and arterioles due to deposition of pink hyaline acellular material. Renal amyloidosis is rare in young age and is mostly secondary in nature. The association of TB with renal amyloidosis is common in adults (3.6%-50%), but only infrequently reported in children. It is important, especially in developing countries to be aware, as successful treatment of TB can result in remission of nephrotic syndrome due to secondary renal amyloidosis.
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Affiliation(s)
- Neha Garg
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, New Delhi, India
| | - Sonal Jain
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, New Delhi, India
| | - Shivangi Chauhan
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, New Delhi, India
| | - Sonali Dixit
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, New Delhi, India
| | - Sonal Sharma
- Department of Pathology, University College of Medical Sciences and Guru Teg Bahadur Hospital, New Delhi, India
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Sahoo L, Sahoo S, Mohanty M, Sankar M, Dixit S, Das P, Rasal KD, Rather MA, Sundaray JK. Molecular characterization, computational analysis and expression profiling of Dmrt1 gene in Indian major carp, Labeo rohita (Hamilton 1822). Anim Biotechnol 2019; 32:413-426. [PMID: 31880491 DOI: 10.1080/10495398.2019.1707683] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Sexual dimorphism of fish morphology, physiology and behavior is diverse and complex in nature. Doublesex and mab-3 related transcription factor (Dmrt) is a large protein family whose function is sexual development and differentiation in vertebrates. Here, we report a full-length cDNA sequence of Labeo rohita (rohu) Dmrt1 of 907 bp length having 798 bp of open reading frame encoding 265 amino acids. The molecular weight of rohu DMRT1 protein was found to be 28.74 KDa and isoelectric point was 7.53. DMRT1 protein contains 23 positively and 24 negatively charged amino acids with a GRAVY score of -0.618. A characteristic DM domain was found in DMRT1 protein, which is a novel DNA-binding domain. Phylogenetic analysis showed maximum similarity with Cyprinus carpio when compared with DMRT1 of other vertebrates. Molecular docking study identified active sites to be targeted for drug designing. Rohu DMRT1 was observed to interact with other proteins such as FOXL2, CYP19a1a, AMH and SOX9a. Differential expression study revealed higher expression in testis tissue implying its role in male sex differentiation and testicular development. The information generated in the present work could facilitate further research to resolve the issues related to gonadal maturation and reproduction of commercially important aquaculture species.
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Affiliation(s)
- L Sahoo
- Fish Genetics and Biotechnology Division, ICAR-Central Institute of Freshwater Aquaculture, Bhubaneswar, Odisha, India
| | - S Sahoo
- Fish Genetics and Biotechnology Division, ICAR-Central Institute of Freshwater Aquaculture, Bhubaneswar, Odisha, India
| | - M Mohanty
- Fish Genetics and Biotechnology Division, ICAR-Central Institute of Freshwater Aquaculture, Bhubaneswar, Odisha, India
| | - M Sankar
- ICAR-Central Marine Research Institute, Mandapam Regional Centre, Tamil Nadu, India
| | - S Dixit
- Fish Genetics and Biotechnology Division, ICAR-Central Institute of Freshwater Aquaculture, Bhubaneswar, Odisha, India
| | - P Das
- Fish Genetics and Biotechnology Division, ICAR-Central Institute of Freshwater Aquaculture, Bhubaneswar, Odisha, India
| | - K D Rasal
- Fish Genetics and Biotechnology Division, ICAR-Central Institute of Freshwater Aquaculture, Bhubaneswar, Odisha, India
| | - M A Rather
- Division of Fish genetics and Biotechnology, Faculty of Fisheries, Sher-e-Kashmir University of Agricultural Sciences & Technology of Kashmir, Srinagar, Jammu and Kashmir, India
| | - J K Sundaray
- Fish Genetics and Biotechnology Division, ICAR-Central Institute of Freshwater Aquaculture, Bhubaneswar, Odisha, India
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Dwibedi B, Sabat J, Dixit S, Rathore S, Subhadra S, Panda S, Pati SS, Mandal M, Ho LM, Thakur B, Kar SK. Epidemiological and clinical profile of Influenza A(H1N1) pdm09 in Odisha, eastern India. Heliyon 2019; 5:e02639. [PMID: 31667431 PMCID: PMC6812237 DOI: 10.1016/j.heliyon.2019.e02639] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 08/07/2019] [Accepted: 10/08/2019] [Indexed: 11/09/2022] Open
Abstract
Epidemic of flu is highly contagious and it spreads through air. In 2009 H1N1 influenza virus emerged after reassortment of North American TRIG and Eurasia Avian like virus of swine and started epidemic in Mexico. The first cases were reported from Hyderabad city on 16th May 2009 in India that spread rapidly within a short span of time. During this period large population of Odisha situated at the eastern side of India was also affected and incidences of H1N1 cases were recorded through state Government surveillance system. In this study real time RT-PCR based diagnosis was conducted for the throat swabs collected from suspected H1N1 cases in Odisha during 2009–2017. A total of 2872 throat swabs were received from 23 different Government and private hospitals and 21.1% positivity was confirmed. The disease affected mostly 46–60 years age group, males (50.6%) being more affected. The clinical features had shown that fever with cough (89.6%) was the most common symptom followed by shortness of breath (72.7%). Post monsoon was the peak season in which most of the cases were reported. Neurological signs, pregnancy, diabetes and hypertension were found to be risk factors for H1N1. The case fatality rate (CFR) was 15%.
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Affiliation(s)
- B Dwibedi
- Dept. of Pediatrics, AIIMS, Bhubaneswar, Odisha, India
| | - J Sabat
- Virus Research and Diagnostic Laboratory, Regional Medical Research Centre (ICMR), Bhubaneswar, Odisha, India
| | - S Dixit
- Virus Research and Diagnostic Laboratory, Regional Medical Research Centre (ICMR), Bhubaneswar, Odisha, India
| | - S Rathore
- Virus Research and Diagnostic Laboratory, Regional Medical Research Centre (ICMR), Bhubaneswar, Odisha, India
| | - S Subhadra
- Virus Research and Diagnostic Laboratory, Regional Medical Research Centre (ICMR), Bhubaneswar, Odisha, India
| | - S Panda
- Virus Research and Diagnostic Laboratory, Regional Medical Research Centre (ICMR), Bhubaneswar, Odisha, India
| | - S S Pati
- Virus Research and Diagnostic Laboratory, Regional Medical Research Centre (ICMR), Bhubaneswar, Odisha, India
| | - M Mandal
- Virus Research and Diagnostic Laboratory, Regional Medical Research Centre (ICMR), Bhubaneswar, Odisha, India
| | - L M Ho
- Virus Research and Diagnostic Laboratory, Regional Medical Research Centre (ICMR), Bhubaneswar, Odisha, India
| | - B Thakur
- Virus Research and Diagnostic Laboratory, Regional Medical Research Centre (ICMR), Bhubaneswar, Odisha, India
| | - S K Kar
- SOA University, Bhubaneswar, Odisha, India
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Sabat J, Subhadra S, Thakur B, Panda M, Panda S, Pati SS, Ho LM, Dixit S, Rathore SK, Kar SK, Dwibedi B. Molecular and phylogenetic analysis of the dengue strains circulating in Odisha, India. Virusdisease 2019; 30:380-386. [PMID: 31803805 DOI: 10.1007/s13337-019-00544-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 07/08/2019] [Indexed: 02/02/2023] Open
Abstract
Dengue has emerged as a major public health challenge in terms of both changing clinical pattern and epidemiological features. The state of Odisha reported first dengue epidemic in the year 2010 and this continued each year in epidemic form during post monsoon period gradually becoming an endemic phenomenon. Present study depicts the changing epidemiological and clinical pattern of dengue with reference to its serotypes and genotypes. The study included 5320 suspected dengue cases from different health facilities of the state during 2010-2017. Dengue NS1 antigen and IgM antibody was done through ELISA. Serotyping was done through RTPCR by amplifying a part of core-pre-membrane gene (CprM) followed by sequencing and phylogenetic analysis. Dengue IgM antibody in 17.7% cases and NS1 antigen in 53.20% cases was detected. Dengue serotype 2 (DEN-2) was the only serotype detected in 2010 and 2011 where as all four serotypes 1, 2, 3, 4 were detected in 2012-2017, DEN-2 being dominant but in 2017 DEN-3 was found to be dominant. Phylogenetic analysis revealed genotype IV of DEN-2 and genotype III of DEN-1 and DEN-3 circulating in this region. In 6 cases involvement of DEN-2 in clinically evident encephalitis cases is an important observation in this region and needs public health attention. High prevalence of dengue was observed without any previous reported outbreaks in the state with increased number of cases from 2010 to 2012 affecting both urban and rural areas. High incidence in 2012 was due to co-circulation of more than one serotype which continued in the following years. Severity in some cases was associated with mixed infection but in most cases it was mild indicating the endemic nature of the virus in most parts of Odisha.
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Affiliation(s)
- J Sabat
- 2ICMR- Regional Medical Research Centre, Bhubaneswar, Odisha 751023 India
| | - S Subhadra
- 2ICMR- Regional Medical Research Centre, Bhubaneswar, Odisha 751023 India
| | - B Thakur
- 2ICMR- Regional Medical Research Centre, Bhubaneswar, Odisha 751023 India
| | - M Panda
- 2ICMR- Regional Medical Research Centre, Bhubaneswar, Odisha 751023 India
| | - S Panda
- 2ICMR- Regional Medical Research Centre, Bhubaneswar, Odisha 751023 India
| | - S S Pati
- 2ICMR- Regional Medical Research Centre, Bhubaneswar, Odisha 751023 India
| | - L M Ho
- 2ICMR- Regional Medical Research Centre, Bhubaneswar, Odisha 751023 India
| | - S Dixit
- 2ICMR- Regional Medical Research Centre, Bhubaneswar, Odisha 751023 India
| | - S K Rathore
- 2ICMR- Regional Medical Research Centre, Bhubaneswar, Odisha 751023 India
| | - S K Kar
- 3Directorate of Medical research, IMS & SUM Hospital, S 'O' A University, Bhubaneswar, Odisha 751030 India
| | - B Dwibedi
- 1Department of Pediatrics, AIIMS, Bhubaneswar, Odisha 751019 India
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Koppiker C, Noor A, Dixit S, Busheri L, Sharan G, Dhar U, Allampati H, Nare S. Surgical management of multifocal/multicentric and locally advanced breast cancer with extreme oncoplasty. Breast 2019. [DOI: 10.1016/s0960-9776(19)30371-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Triolo TM, Fouts A, Pyle L, Yu L, Gottlieb PA, Steck AK, Greenbaum CJ, Atkinson M, Baidal D, Battaglia M, Becker D, Bingley P, Bosi E, Buckner J, Clements M, Colman P, DiMeglio L, Gitelman S, Goland R, Gottlieb P, Herold K, Knip M, Krischer J, Lernmark A, Moore W, Moran A, Muir A, Palmer J, Peakman M, Philipson L, Raskin P, Redondo M, Rodriguez H, Russell W, Spain L, Schatz D, Sosenko J, Wentworth J, Wherrett D, Wilson D, Winter W, Ziegler A, Anderson M, Antinozzi P, Benoist C, Blum J, Bourcier K, Chase P, Clare-Salzler M, Clynes R, Eisenbarth G, Fathman C, Grave G, Hering B, Insel R, Kaufman F, Kay T, Leschek E, Mahon J, Marks J, Nanto-Salonen K, Nepom G, Orban T, Parkman R, Pescovitz M, Peyman J, Pugliese A, Roep B, Roncarolo M, Savage P, Simell O, Sherwin R, Siegelman M, Skyler J, Steck A, Thomas J, Trucco M, Wagner J, Krischer JP, Leschek E, Rafkin L, Bourcier K, Cowie C, Foulkes M, Insel R, Krause-Steinrauf H, Lachin JM, Malozowski S, Peyman J, Ridge J, Savage P, Skyler JS, 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Manning G, Hendry B, Taylor S, Jones W, Strader M, Bencomo T, Bailey L, Bedolla C, Roldan C, Moudiotis B, Vaidya C, Anning S, Bunce S, Estcourt E, Folland E, Gordon C, Harrill J, Ireland J, Piper L, Scaife K, Sutton S, Wilkins M, Costelloe J, Palmer L, Casas C, Miller M, Burgard C, Erickson J, Hallanger-Johnson P, Clark W, Taylor A, Lafferty S, Gillett C, Nolan M, Pathak L, Sondrol T, Hjelle S, Hafner J, Kotrba R, Hendrickson A, Cemeroglu T, Symington M, Daniel Y, Appiagyei-Dankah D, Postellon M, Racine L, Kleis K, Barnes S, Godwin H, McCullough K, Shaheen G, Buck L, Noel M, Warren S, Weber S, Parker I, Gillespie B, Nelson C, Frost J, Amrhein E, Moreland A, Hayes J, Peggram J, Aisenberg M, Riordan J, Zasa E, Cummings K, Scott T, Pinto A, Mokashi K, McAssey E, Helden P, Hammond L, Dinning S, Rahman S, Ray C, Dimicri S, Guppy H, Nielsen C, Vogel C, Ariza L, Morales Y, Chang R, Gabbay L, Ambrocio L, Manley R, Nemery W, Charlton P, Smith L, Kerr B, Steindel-Kopp M, Alamaguer D, Liljenquist G, Browning T, Coughenour M, Sulk E, Tsalikan M, Tansey J, Cabbage N. Identical and Nonidentical Twins: Risk and Factors Involved in Development of Islet Autoimmunity and Type 1 Diabetes. Diabetes Care 2019; 42:192-199. [PMID: 30061316 PMCID: PMC6341285 DOI: 10.2337/dc18-0288] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 06/28/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE There are variable reports of risk of concordance for progression to islet autoantibodies and type 1 diabetes in identical twins after one twin is diagnosed. We examined development of positive autoantibodies and type 1 diabetes and the effects of genetic factors and common environment on autoantibody positivity in identical twins, nonidentical twins, and full siblings. RESEARCH DESIGN AND METHODS Subjects from the TrialNet Pathway to Prevention Study (N = 48,026) were screened from 2004 to 2015 for islet autoantibodies (GAD antibody [GADA], insulinoma-associated antigen 2 [IA-2A], and autoantibodies against insulin [IAA]). Of these subjects, 17,226 (157 identical twins, 283 nonidentical twins, and 16,786 full siblings) were followed for autoantibody positivity or type 1 diabetes for a median of 2.1 years. RESULTS At screening, identical twins were more likely to have positive GADA, IA-2A, and IAA than nonidentical twins or full siblings (all P < 0.0001). Younger age, male sex, and genetic factors were significant factors for expression of IA-2A, IAA, one or more positive autoantibodies, and two or more positive autoantibodies (all P ≤ 0.03). Initially autoantibody-positive identical twins had a 69% risk of diabetes by 3 years compared with 1.5% for initially autoantibody-negative identical twins. In nonidentical twins, type 1 diabetes risk by 3 years was 72% for initially multiple autoantibody-positive, 13% for single autoantibody-positive, and 0% for initially autoantibody-negative nonidentical twins. Full siblings had a 3-year type 1 diabetes risk of 47% for multiple autoantibody-positive, 12% for single autoantibody-positive, and 0.5% for initially autoantibody-negative subjects. CONCLUSIONS Risk of type 1 diabetes at 3 years is high for initially multiple and single autoantibody-positive identical twins and multiple autoantibody-positive nonidentical twins. Genetic predisposition, age, and male sex are significant risk factors for development of positive autoantibodies in twins.
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Affiliation(s)
- Taylor M. Triolo
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Alexandra Fouts
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Laura Pyle
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Liping Yu
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Peter A. Gottlieb
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Andrea K. Steck
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
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Parikh S, Murray L, Kenning L, Bottomley D, Din O, Dixit S, Ferguson C, Handforth C, Joseph L, Mokhtar D, White L, Wright G, Henry A. Real-world Outcomes and Factors Predicting Survival and Completion of Radium 223 in Metastatic Castrate-resistant Prostate Cancer. Clin Oncol (R Coll Radiol) 2018; 30:548-555. [DOI: 10.1016/j.clon.2018.06.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 05/16/2018] [Accepted: 05/20/2018] [Indexed: 01/04/2023]
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Humagain M, Dixit S, Bhandari B, Khanal S, Singh PK. Self-Perception of Halitosis among Undergraduate Students of Kathmandu University School of Medical Sciences - A Questionnaire Based Study. Kathmandu Univ Med J (KUMJ) 2018; 16:89-93. [PMID: 30631025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Background Halitosis is a frequently reported oral health problem worldwide with a prevalence rate of 10-30% in the general population. It is defined as the disagreeable or foul smelling breath originating consistently from a person's oral cavity. It not only effects the normal daily life activities of the patient but also bring humiliation, reduced self- esteem, ultimately resulting into decreased quality of life. Objective To determine the self-perception of halitosis among undergraduate students of different medical branches of Kathmandu University School of Medical Sciences (KUSMS); Kavre, Nepal. Method A descriptive cross-sectional epidemiological survey was conducted among undergraduate students of Physiotherapy, B.Sc Nursing, Bachelor of Nursing Sciences (BNS), MBBS and BDS program of Kathmandu University School of Medical Sciences, Dhulikhel. A self-administered questionnaire was developed and were distributed among 500 undergraduate students. Result Out of total 500 distributed questionnaires, 406 were completely filled and returned giving an overall response of 81.2%, in which 70 (89.7%) male and 280 (85.4%) female students from different medical branches were aware of the term halitosis. Among them 29 (7.14%) of students think that they suffer from halitosis. Similarly 178 (43.84%) students had severe impact of halitosis on their social life while 153 (37.68%) and 62 (15.27%) students had moderate and mild impact respectively. Conclusion Due to the multifactorial complexity of halitosis, further longitudinal studies including objective assessment of malodor are required to determine its prevalence and to further investigate the association of this problem with other etiological factors in the context of Nepal. Also, curriculum of different fields should be modified to include this simple but very necessary topic.
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Affiliation(s)
- M Humagain
- Department of Periodontology, Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
| | - S Dixit
- Department of Oral Medicine and Radiology, Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
| | - B Bhandari
- Department of Periodontology, Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
| | - S Khanal
- Department of Periodontology, Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
| | - P K Singh
- Department of Forensic Medicine, Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
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Muser D, Liang J, Hayashi T, Castro S, Pathak R, Magnani S, Rame J, Zado E, Garcia F, Frankel D, Dixit S, Callans D, Zado E, Sinagra G, Marchlinski F, Santangeli P. 073_16945-L4 Severity of Heart Failure and Outcomes of Catheter Ablation of Ventricular Tachycardia in Nonischemic Dilated Cardiomyopathy. JACC Clin Electrophysiol 2017. [DOI: 10.1016/j.jacep.2017.09.060] [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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Muser D, Santangeli P, Liang J, Castro S, Hayashi T, Magnani S, Pathak R, Garcia F, Supple G, Riley M, Lin D, Schaller R, Dixit S, Zado E, Frankel D, Callans D, Marchlinski F. 073_16944-L4 Collateral Injury of the Conduction System During Interventricular Septal Substrate Modification In Non-Ischemic Cardiomyopathy: Impact on Long-term Outcomes. JACC Clin Electrophysiol 2017. [DOI: 10.1016/j.jacep.2017.09.142] [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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Chaurasia NK, Upadhyaya C, Dixit S. Comparative Study to Determine the efficacy of Zinc Oxide Eugenol and Alveogyl in Treatment of Dry Socket. Kathmandu Univ Med J (KUMJ) 2017; 15:203-206. [PMID: 30353893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Background Dry socket is one of the most common complications following permanent tooth extraction, especially mandibular third molar. Management remains controversial and different authors have shown different results with the use of zinc oxide eugenol and AlveogylTM, some preferring AlveogylTM over zinc oxide eugenol. Objective To determine the incidence, possible risk factors and compare the effectiveness of two most commonly used agents (Zinc oxide eugenol and AlveogylTM) for management of dry socket. Method Dry socket patients were randomly divided into two groups. Various risk factors were recorded through proper history. After thorough irrigation with normal saline, zinc oxide eugenol paste mixed with cotton pellet was placed in one group whereas AlveogylTM was placed in another group. Intensity of pain was recorded on visual analogue scale of Zero to ten. Pain score was recorded at the time of diagnosis, thirty and sixty minutes after placement of medication and on second, fifth, seventh and tenth day. The medication was changed every day until the pain subsided. The data were collected and analyzed using SPPS software (version 20). Result Incidence of dry socket was 4.70%, more common in males (59.09%). It was more common after extraction mandibular third molar. Initial and final pain relief on visual analogue scale was better with use of zinc oxide eugenol. Conclusion Zinc oxide Eugenol paste is more effective in management of dry socket for early as well as final pain relief compared to AlveogylTM.
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Affiliation(s)
- N K Chaurasia
- Department of Oral and Maxillofacial Surgery Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
| | - C Upadhyaya
- Department of Oral and Maxillofacial Surgery Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
| | - S Dixit
- Department of Oral and Maxillofacial Surgery Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
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Ionita G, Malviya A, Rajbhandari R, Schluter WW, Sharma G, Kakchapati S, Rijal S, Dixit S. Seroprevalence of hepatitis B virus and hepatitis C virus co-infection among people living with HIV/AIDS visiting antiretroviral therapy centres in Nepal: a first nationally representative study. Int J Infect Dis 2017; 60:64-69. [PMID: 28483724 DOI: 10.1016/j.ijid.2017.04.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Revised: 04/11/2017] [Accepted: 04/13/2017] [Indexed: 12/27/2022] Open
Abstract
OBJECTIVES To assess the prevalence of human immunodeficiency virus (HIV), hepatitis C virus (HCV), and hepatitis B virus (HBV) co-infections among people living with HIV (PLHIV) in Nepal. METHODS A sample of 677 PLHIV representing key affected populations (KAP) in Nepal, who were undergoing antiretroviral (ART) therapy in ART clinics around the country, were voluntarily enrolled in the study. Rapid kit-based testing followed by ELISA for validation was performed, focusing on HBV surface antigen (HBsAg) and antibodies against HCV (anti-HCV). A multivariate logistic regression model was used to identify factors associated with HBV and HCV co-infection. RESULTS HCV and HBV co-infection among the 677 PLHIV was found to be 19% (95% confidence interval (CI) 16.6-22.7%) and 4.4% (95% CI 3.1-6.6%), respectively. The Eastern Region had the highest percentage of HCV infection (48%). The age group with the highest rates of co-infection was 30-39 years (58% and 70%, respectively, for HCV and HBV co-infection). After adjusting for confounding, males were more likely to have HBV co-infection than females (adjusted odds ratio (AOR) 4.61, 95% CI 1.42-14.98). Similarly, PLHIV who were male (AOR 5.7, 95% CI 2.06-15.98), had a secondary level of education (AOR 3.04, 95% CI 1.06-8.70), or who were drug users (AOR 28.7, 95% CI 14.9-55.22) were significantly more likely to have HCV co-infection. CONCLUSION This first ever national assessment of HIV, HBV, and HCV co-infection performed among PLHIV in Nepal demonstrates that HCV and HBV infections are a health threat to this population and that interventions are required to mitigate the effects of co-infection and to prevent further morbidity and mortality.
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Affiliation(s)
- G Ionita
- United Nations Development Programme, Project Management Unit, Guinea-Bissau
| | | | - R Rajbhandari
- Centre for Molecular Dynamics Nepal, Kathmandu, Nepal
| | - W William Schluter
- World Health Organization - Western Pacific Regional Office (WPRO), Manila, Philippines
| | | | - S Kakchapati
- Centre for Molecular Dynamics Nepal, Kathmandu, Nepal
| | - S Rijal
- United Nations Children's Fund, Kathmandu, Nepal
| | - S Dixit
- Centre for Molecular Dynamics Nepal, Kathmandu, Nepal
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Spaeth ML, Manes KR, Bowers M, Celliers P, Nicola JMD, Nicola PD, Dixit S, Erbert G, Heebner J, Kalantar D, Landen O, MacGowan B, Van Wonterghem B, Wegner P, Widmayer C, Yang S. National Ignition Facility Laser System Performance. Fusion Science and Technology 2017. [DOI: 10.13182/fst15-136] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Mary L. Spaeth
- Lawrence Livermore National Laboratory, 7000 East Avenue, L-466, Livermore, California 94550
| | - Kenneth R. Manes
- Lawrence Livermore National Laboratory, 7000 East Avenue, L-466, Livermore, California 94550
| | - M. Bowers
- Lawrence Livermore National Laboratory, 7000 East Avenue, L-466, Livermore, California 94550
| | - P. Celliers
- Lawrence Livermore National Laboratory, 7000 East Avenue, L-466, Livermore, California 94550
| | - J.-M. Di Nicola
- Lawrence Livermore National Laboratory, 7000 East Avenue, L-466, Livermore, California 94550
| | - P. Di Nicola
- Lawrence Livermore National Laboratory, 7000 East Avenue, L-466, Livermore, California 94550
| | - S. Dixit
- Lawrence Livermore National Laboratory, 7000 East Avenue, L-466, Livermore, California 94550
| | - G. Erbert
- Lawrence Livermore National Laboratory, 7000 East Avenue, L-466, Livermore, California 94550
| | - J. Heebner
- Lawrence Livermore National Laboratory, 7000 East Avenue, L-466, Livermore, California 94550
| | - D. Kalantar
- Lawrence Livermore National Laboratory, 7000 East Avenue, L-466, Livermore, California 94550
| | - O. Landen
- Lawrence Livermore National Laboratory, 7000 East Avenue, L-466, Livermore, California 94550
| | - B. MacGowan
- Lawrence Livermore National Laboratory, 7000 East Avenue, L-466, Livermore, California 94550
| | - B. Van Wonterghem
- Lawrence Livermore National Laboratory, 7000 East Avenue, L-466, Livermore, California 94550
| | - P. Wegner
- Lawrence Livermore National Laboratory, 7000 East Avenue, L-466, Livermore, California 94550
| | - C. Widmayer
- Lawrence Livermore National Laboratory, 7000 East Avenue, L-466, Livermore, California 94550
| | - S. Yang
- Lawrence Livermore National Laboratory, 7000 East Avenue, L-466, Livermore, California 94550
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Haan SW, Atherton J, Clark DS, Hammel BA, Callahan DA, Cerjan CJ, Dewald EL, Dixit S, Edwards MJ, Glenzer S, Hatchett SP, Hicks D, Jones OS, Landen OL, Lindl JD, Marinak MM, Macgowan BJ, Mackinnon AJ, Meezan NB, Milovich JL, Munro DH, Robey HF, Salmonson JD, Spears BK, Suter LJ, Town RP, Weber SV, Kline JL, Wilson DC. NIF Ignition Campaign Target Performance and Requirements: Status May 2012. Fusion Science and Technology 2017. [DOI: 10.13182/fst13-tfm20-31] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- S. W. Haan
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - J. Atherton
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - D. S. Clark
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - B. A. Hammel
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - D. A. Callahan
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - C. J. Cerjan
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - E. L. Dewald
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - S. Dixit
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - M. J. Edwards
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - S. Glenzer
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - S. P. Hatchett
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - D. Hicks
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - O. S. Jones
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - O. L. Landen
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - J. D. Lindl
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - M. M. Marinak
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - B. J. Macgowan
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - A. J. Mackinnon
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - N. B. Meezan
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - J. L. Milovich
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - D. H. Munro
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - H. F. Robey
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - J. D. Salmonson
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - B. K. Spears
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - L. J. Suter
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - R. P. Town
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - S. V. Weber
- Lawrence Livermore National Laboratory, Livermore, California 94550
| | - J. L. Kline
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545
| | - D. C. Wilson
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545
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Pathak R, Kochar A, Gordon J, Marchlinski F, Dixit S. Characteristics and Long-Term Outcomes of Patients with Left Ventricular Papillary Muscle Arrhythmias. Heart Lung Circ 2017. [DOI: 10.1016/j.hlc.2017.06.308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Saxena AK, Saxena VL, Dixit S. Mapping of protein-protein interaction network of Alexander disease. Cell Mol Biol (Noisy-le-grand) 2016; 62:17-21. [PMID: 27262796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2015] [Accepted: 04/30/2016] [Indexed: 06/05/2023]
Abstract
Alexander disease (ALXD) is slowly progressive neurodegenerative disorder which affects white matter of the central nervous system. The main cause of disorder is mutation in GFAP gene and mutation in some other genes were also reported. This study was aimed at getting a better insight into ALXD pathogenesis and identifying the important functional and highly interconnected nodes in human protein interaction network, identifying the important sub-networks in the system could be helpful in understanding the underlying molecular mechanism. The topological analysis of human protein interaction network strategy to identify highly interconnected sub-network modules from which six proteins are found i.e. GFAP, PLEC, CRYAB, NDUFV1, CASP3 and MAPK14 plays important role in disease. Further, the enrichment analysis of interaction network identifies crucial pathways in which most of the diseased proteins overlaps. Through system biology approach, the undirected human protein interaction network of ALXD is buildup with the help of Cytoscape tool and its various plugins helps to investigate network further. The systematic approach suggests the finding of previously known proteins, GFAP, PLEC, CRYAB, NDUFV1, CASP3 and MAPK14 can be used as a drug targets and potential treatment discovered also enrichment analysis will provide guidance for the future study on Alexander disease.
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Affiliation(s)
- A K Saxena
- D.A.V. College Department of Zoology Kanpur (U.P.) India
| | - V L Saxena
- Centre of DBT (Govt. of India), D.G. (P.G.) College Bioinformatics Infrastructure Facility Kanpur (U.P) India
| | - S Dixit
- Centre of DBT (Govt. of India), D.G. (P.G.) College Bioinformatics Infrastructure Facility Kanpur (U.P) India
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Crane JK, Kruschwitz B, Yang ST, Bowers M, Browning D, Budge T, Canning D, Chou J, Consentino A, Nicola JMD, Dixit S, Dorrer C, Erbert G, Hackel R, Heebner J, Hill E, Johnston M, Kelly J, Kwiatkowski J, Shaw M, Smith L, Wegner P, Zuegel J. Performance measurements on NIF beamlines for future experiments to support polar direct drive. ACTA ACUST UNITED AC 2016. [DOI: 10.1088/1742-6596/717/1/012088] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Humagain M, Rokaya D, Srii R, Dixit S, Kafle D. Gender Based Comparison of Gingival Zenith Esthetics. Kathmandu Univ Med J (KUMJ) 2016; 14:148-152. [PMID: 28166072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Background The size, proportion and gingival zenith position of maxillary anterior teeth plays in the anterior teeth esthetics. Objective To compare the gingival zenith positions and levels between male and female in right and left side as an esthetic parameter. Method Impression of the maxillary arch was made in each participant with irreversible hydrocolloid, and dental cast was made with dental stone type IV. Two clinical parameters were evaluated: (1) the gingival zenith position (GZP) from the vertical bisected midline along the long axis of each individual maxillary anterior tooth; and (2) the gingival zenith level (GZL) of the lateral incisors in an apical-coronal direction relative to the gingival line joining the tangents of the GZP of the adjacent central incisor and canine teeth under healthy conditions. Statistical analyses were conducted using SPSS with the level of significance (α) = 0.05. Descriptive statistics was done and Independent t-test was used to compare the GZP and GZL between male and female. Result In male, the gingival zenith position for right side central, lateral and canine were 1.05 mm, 0.57 mm and 0.14 mm, and in left side were 1.02 mm, 0.53 mm, 0.15 mm. In female, the gingival zenith position for right side central, lateral and canine were 0.99 mm, 0.48 mm and 0.15 mm, and in left side were 0.94 mm, 0.44 mm and 0.14 mm. The gingival zenith position was significantly different between male and female for both lateral incisors. In addition, significantly different was found for the lateral incisor between right and left side. In male, the gingival zenith level of right and left lateral incisors 0.74 mm and 0.71 mm. In female, the gingival zenith level of right and left lateral incisors 0.76 mm and 0.72 mm. No significant difference was found between male and female for the gingival zenith level of right and left lateral incisors. Conclusion The GZP and GZL obtained from this study can be clinically applied to reestablish the GZP of the maxillary anterior teeth during periodontal surgery; crown lengthening or root coverage procedures.
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Affiliation(s)
- M Humagain
- Department of Dentistry, Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
| | - D Rokaya
- Department of Dentistry, Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
| | - R Srii
- Department of Dentistry, Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
| | - S Dixit
- Department of Dentistry, Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
| | - D Kafle
- Department of Dentistry, Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
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Dixit S, Upadhyaya C, Humagain M, Srii R, Marla V. Clinico-histopathological Survey of Head and Neck Cancer at Tertiary Health Care Centre -Dhulikhel Hospital. Kathmandu Univ Med J (KUMJ) 2016; 14:167-171. [PMID: 28166075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Background Head and neck is one of the most prevalent site for cancers along with lungs, cervix, breast and stomach. Hospital based cancer registries required for effective evaluation of diagnosis and management of cancer is inadequate in Nepal. Cancer registry system established by WHO is acquired by seven major hospitals in our country. However, data from tertiary health care centres like ours remain undocumented. Objective The objective of this study is to perform retrospective analysis of clinicohistopathological types of head and neck lesions which were eventually diagnosed as cancer in Dhulikel Hospital, a tertiary health care centre of Central East Nepal. Method Data regarding head and neck lesions diagnosed as cancer (January 2001- December 2014) were extracted from the archives of Department of General Pathology. These cases were categorised according to demographic profile, site of cancer and histological diagnosis. Result A total of 240 cases matched the inclusion criteria and were selected for this study. Male: Female ratio of 1.3:1 with a mean age of 52 years (52.82±1.8) was found. Two hundred and two (84.16%) patients were diagnosed with carcinoma, 31 (15%) with lymphoma, 3 (1.25%) with melanoma, 2(0.83%) with small round cell tumor and 2 (0.83%) with sarcoma. The most common histological types of carcinoma seen were Squamous cell carcinoma (138 cases; 57.5%) followed by papillary carcinoma (26 cases; 10.8%). Among the lymphomas Non-Hodgkin's lymphoma (21 cases; 8.75%) was the most predominant type. The most common site of presentation was oral cavity (60 cases; 25%) followed by skin (36 cases; 15%), thyroid (32 cases; 13.33%) and oesophagus (27 cases; 11.25%). Metastasis to cervical lymph node was found in 39 cases (16.25%). Conclusion Based on these finding, it was observed that Squamous cell carcinoma was the most common type followed by different epithelial and mesenchymal malignancies in head and neck region. The results revealed by this study will provide useful information for planning the health care policies about cancer in Nepal and will be more effective and helpful to the patients of remote areas.
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Affiliation(s)
- S Dixit
- Department of Dentistry, Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
| | - C Upadhyaya
- Department of Dentistry, Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
| | - M Humagain
- Department of Dentistry, Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
| | - R Srii
- Department of Dentistry, Kathmandu University School of Medical Sciences, Dhulikhel, Kavre, Nepal
| | - V Marla
- College of Dental Surgery, BP Koirala Institute of Health Sciences, Dharan Nepal
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Jog S, Prayag S, Rajhans P, Zirpe K, Dixit S, Pillai L, Shah J, Penurkar M, Kakrani A, Yadav A, Kadapatti K, Pawar B, Joshi P, Salunke D, Deshpande A, Patel D. Dengue infection with multiorgan dysfunction:-sofa score, arterial lactate and serum albumin levels are predictors of outcome. Intensive Care Med Exp 2015. [PMCID: PMC4798189 DOI: 10.1186/2197-425x-3-s1-a830] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Döppner T, Callahan DA, Hurricane OA, Hinkel DE, Ma T, Park HS, Berzak Hopkins LF, Casey DT, Celliers P, Dewald EL, Dittrich TR, Haan SW, Kritcher AL, MacPhee A, Le Pape S, Pak A, Patel PK, Springer PT, Salmonson JD, Tommasini R, Benedetti LR, Bond E, Bradley DK, Caggiano J, Church J, Dixit S, Edgell D, Edwards MJ, Fittinghoff DN, Frenje J, Gatu Johnson M, Grim G, Hatarik R, Havre M, Herrmann H, Izumi N, Khan SF, Kline JL, Knauer J, Kyrala GA, Landen OL, Merrill FE, Moody J, Moore AS, Nikroo A, Ralph JE, Remington BA, Robey HF, Sayre D, Schneider M, Streckert H, Town R, Turnbull D, Volegov PL, Wan A, Widmann K, Wilde CH, Yeamans C. Demonstration of High Performance in Layered Deuterium-Tritium Capsule Implosions in Uranium Hohlraums at the National Ignition Facility. Phys Rev Lett 2015; 115:055001. [PMID: 26274424 DOI: 10.1103/physrevlett.115.055001] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Indexed: 06/04/2023]
Abstract
We report on the first layered deuterium-tritium (DT) capsule implosions indirectly driven by a "high-foot" laser pulse that were fielded in depleted uranium hohlraums at the National Ignition Facility. Recently, high-foot implosions have demonstrated improved resistance to ablation-front Rayleigh-Taylor instability induced mixing of ablator material into the DT hot spot [Hurricane et al., Nature (London) 506, 343 (2014)]. Uranium hohlraums provide a higher albedo and thus an increased drive equivalent to an additional 25 TW laser power at the peak of the drive compared to standard gold hohlraums leading to higher implosion velocity. Additionally, we observe an improved hot-spot shape closer to round which indicates enhanced drive from the waist. In contrast to findings in the National Ignition Campaign, now all of our highest performing experiments have been done in uranium hohlraums and achieved total yields approaching 10^{16} neutrons where more than 50% of the yield was due to additional heating of alpha particles stopping in the DT fuel.
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Affiliation(s)
- T Döppner
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - D A Callahan
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - O A Hurricane
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - D E Hinkel
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - T Ma
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - H-S Park
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - L F Berzak Hopkins
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - D T Casey
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - P Celliers
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - E L Dewald
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - T R Dittrich
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - S W Haan
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - A L Kritcher
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - A MacPhee
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - S Le Pape
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - A Pak
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - P K Patel
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - P T Springer
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - J D Salmonson
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - R Tommasini
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - L R Benedetti
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - E Bond
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - D K Bradley
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - J Caggiano
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - J Church
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - S Dixit
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - D Edgell
- Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA
| | - M J Edwards
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - D N Fittinghoff
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - J Frenje
- Massachusetts Institute of Technology Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA
| | - M Gatu Johnson
- Massachusetts Institute of Technology Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA
| | - G Grim
- Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, New Mexico 87545, USA
| | - R Hatarik
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - M Havre
- General Atomics, San Diego, California 92121, USA
| | - H Herrmann
- Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, New Mexico 87545, USA
| | - N Izumi
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - S F Khan
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - J L Kline
- Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, New Mexico 87545, USA
| | - J Knauer
- Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA
| | - G A Kyrala
- Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, New Mexico 87545, USA
| | - O L Landen
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - F E Merrill
- Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, New Mexico 87545, USA
| | - J Moody
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - A S Moore
- Atomic Weapons Establishment, Aldermaston RG7, United Kingdom
| | - A Nikroo
- General Atomics, San Diego, California 92121, USA
| | - J E Ralph
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - B A Remington
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - H F Robey
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - D Sayre
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - M Schneider
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - H Streckert
- General Atomics, San Diego, California 92121, USA
| | - R Town
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - D Turnbull
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - P L Volegov
- Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, New Mexico 87545, USA
| | - A Wan
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - K Widmann
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
| | - C H Wilde
- Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, New Mexico 87545, USA
| | - C Yeamans
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551, USA
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Sholter D, Olszynski W, Baer P, Sheriff M, Dixit S, Chow A, Haraoui B, Choquette D, Kelsall J, Sampalis J, Rampakakis E, Nantel F, Tkaczyk C, Lehman A. SAT0338 Does Treatment Improve HAQ or Do Patients Adjust How They Do Things? An Exploration of the HAQ-DI Vs the HAQ-ADI Over Time. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.3529] [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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Faraawi R, Dixit S, Mulgund M, Bensen W, Kelsall J, Choquette D, Baker M, Fortin I, Sampalis J, Rampakakis E, Tkaczyk C, Lehman A, Nantel F. AB1163 Prevalence of Smoking and Impact on Disease Parameters Among Ankylosing Spondylitis, Rheumatoid Arthritis and Psoriatic Arthritis Patients Treated with Infliximab or Golimumab. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.2374] [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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Sholter D, Kelsall J, Arendse R, Avina-Zubieta A, Bensen W, Zummer M, Faraawi R, Dixit S, Khraishi M, Fortin I, Sampalis J, Psaradellis E, Nantel F, Tkaczyk C, Lehman A. SAT0557 Predictors of Response in Patients with Psoriatic Arthritis Treated with Anti-TNF in a Real-World Setting. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.3538] [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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Basnyat B, Pokharel P, Dixit S, Giri S. Antibiotic Use, Its Resistance in Nepal and Recommendations for Action: A Situation Analysis. J Nepal Health Res Counc 2015; 13:102-111. [PMID: 26744193] [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] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Antibiotics are crucial, life-saving medicines in the fight against infectious disease, but resistance to these drugs is growing all over. This article presents key findings from a detailed situation analysis produced by the Global Antibiotic Resistance Partnership (GARP)-Nepal working group. In the absence of nationally-representative surveillance, it is not possible to fully describe antibiotic resistance in the country, but many important bacterial pathogens are highly resistant to most first-line and some second-line antibiotics, according to available reports. In credible studies, more than half of Escherichia coli, Klebsiella pneumoniae and Streptococcus pneumoniae isolates tested, and over 30 percent of some Shigella spp. and Vibrio cholerae isolates were resistant to first-line antibiotics. The findings for Neisseria gonorrheae and hospital-acquired Staphylococcus aureus are similar. Antibiotic use in animal food is poorly documented in Nepal, but it is commonly acknowledged to be widespread, contributing to the overall antibiotic resistance burden. The volume of veterinary antibiotic sales in Nepal rose over 50 percent from 2008 to 2012, most through retailers without veterinarian prescription. Antibiotics are necessary to treat infections in animals, but they are also used extensively for preventing disease, a use that can be restricted without jeopardizing animal or human health. They may also be used for promoting animal growth, which can be eliminated with no health consequences. Nepal has made important advances in reducing mortality and morbidity and increasing health coverage, but has not yet taken steps to address antibiotic resistance. The GARP-Nepal working group outlines the components of a national strategy on antibiotic resistance, consistent with the recent call by the World Health Organization for national action plans, to be developed collaboratively with stakeholders and partners from government and all relevant sectors.
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Affiliation(s)
- B Basnyat
- Global Abtibiotic Resistance Partnership (GARP)-Nepal
| | - P Pokharel
- B.P. Koirala Institute of Health Sciences, Dharan,Nepal
| | - S Dixit
- Center for Molecular Dynamics, Kathmandu, Nepal
| | - S Giri
- Nepal Public Health Foundation, Kathmandu, Nepal
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Ma T, Hurricane OA, Callahan DA, Barrios MA, Casey DT, Dewald EL, Dittrich TR, Döppner T, Haan SW, Hinkel DE, Berzak Hopkins LF, Le Pape S, MacPhee AG, Pak A, Park HS, Patel PK, Remington BA, Robey HF, Salmonson JD, Springer PT, Tommasini R, Benedetti LR, Bionta R, Bond E, Bradley DK, Caggiano J, Celliers P, Cerjan CJ, Church JA, Dixit S, Dylla-Spears R, Edgell D, Edwards MJ, Field J, Fittinghoff DN, Frenje JA, Gatu Johnson M, Grim G, Guler N, Hatarik R, Herrmann HW, Hsing WW, Izumi N, Jones OS, Khan SF, Kilkenny JD, Knauer J, Kohut T, Kozioziemski B, Kritcher A, Kyrala G, Landen OL, MacGowan BJ, Mackinnon AJ, Meezan NB, Merrill FE, Moody JD, Nagel SR, Nikroo A, Parham T, Ralph JE, Rosen MD, Rygg JR, Sater J, Sayre D, Schneider MB, Shaughnessy D, Spears BK, Town RPJ, Volegov PL, Wan A, Widmann K, Wilde CH, Yeamans C. Thin shell, high velocity inertial confinement fusion implosions on the national ignition facility. Phys Rev Lett 2015; 114:145004. [PMID: 25910132 DOI: 10.1103/physrevlett.114.145004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Indexed: 06/04/2023]
Abstract
Experiments have recently been conducted at the National Ignition Facility utilizing inertial confinement fusion capsule ablators that are 175 and 165 μm in thickness, 10% and 15% thinner, respectively, than the nominal thickness capsule used throughout the high foot and most of the National Ignition Campaign. These three-shock, high-adiabat, high-foot implosions have demonstrated good performance, with higher velocity and better symmetry control at lower laser powers and energies than their nominal thickness ablator counterparts. Little to no hydrodynamic mix into the DT hot spot has been observed despite the higher velocities and reduced depth for possible instability feedthrough. Early results have shown good repeatability, with up to 1/2 the neutron yield coming from α-particle self-heating.
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Affiliation(s)
- T Ma
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - O A Hurricane
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D A Callahan
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - M A Barrios
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D T Casey
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - E L Dewald
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - T R Dittrich
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - T Döppner
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - S W Haan
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D E Hinkel
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - L F Berzak Hopkins
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - S Le Pape
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - A G MacPhee
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - A Pak
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - H-S Park
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - P K Patel
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - B A Remington
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - H F Robey
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J D Salmonson
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - P T Springer
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - R Tommasini
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - L R Benedetti
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - R Bionta
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - E Bond
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D K Bradley
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J Caggiano
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - P Celliers
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - C J Cerjan
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J A Church
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - S Dixit
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - R Dylla-Spears
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D Edgell
- Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA
| | - M J Edwards
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J Field
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D N Fittinghoff
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J A Frenje
- Massachusetts Institute of Technology Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA
| | - M Gatu Johnson
- Massachusetts Institute of Technology Plasma Science and Fusion Center, Cambridge, Massachusetts 02139, USA
| | - G Grim
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - N Guler
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - R Hatarik
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - H W Herrmann
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - W W Hsing
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - N Izumi
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - O S Jones
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - S F Khan
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J D Kilkenny
- General Atomics, San Diego, California 92186, USA
| | - J Knauer
- Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA
| | - T Kohut
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - B Kozioziemski
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - A Kritcher
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - G Kyrala
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - O L Landen
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - B J MacGowan
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - A J Mackinnon
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - N B Meezan
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - F E Merrill
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - J D Moody
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - S R Nagel
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - A Nikroo
- General Atomics, San Diego, California 92186, USA
| | - T Parham
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J E Ralph
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - M D Rosen
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J R Rygg
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J Sater
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D Sayre
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - M B Schneider
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D Shaughnessy
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - B K Spears
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - R P J Town
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - P L Volegov
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - A Wan
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - K Widmann
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - C H Wilde
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - C Yeamans
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
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49
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Abstract
Diabetes mellitus is not only a clinical syndrome characterizing hyperglycemia, but is also a cause of debilitating problem known as peripheral neuropathy (PN). This review addresses the importance of diagnosing PN in a clinical setting as PN causes pain and discomfort in lower extremities, loss or absence of protective sensations in the lower extremities leading to balance problems, risk of foot ulcerations, and a reduced quality of life in adults with type 2 diabetes. A variety of modalities or methods are available to evaluate both subjective and objective measures of peripheral nerve functions, and have been discussed in detail in this review. It is of utmost importance to understand that evaluating PN as a routine practice in a simple way may also play a vitally important role in preventing foot ulcers or fall-related morbidity and mortality in adults with type 2 diabetes.
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Affiliation(s)
- S Dixit
- Department of Physiotherapy, Manipal College of Allied Health Sciences, Manipal University, Manipal, Karnataka, India
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50
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Taylor AW, Dixit S, Yu J. Retinal Pigment Epithelial Cell Line Suppression of Phagolysosome Activation. Int J Ophthalmol Eye Sci 2015; Suppl 2:1-6. [PMID: 25905107 PMCID: PMC4403791] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
The eye is an immune privileged tissue with multiple mechanisms of immunosuppression to protect the light gathering tissues from the damage of inflammation. One of theses mechanisms involves retinal pigment epithelial cell suppression of phagosome activation in macrophages. The objective of this work is to determine if the human RPE cell line ARPE-19 is capable of suppressing the activation of the phagolysosome in macrophages in a manner similar to primary RPE. The conditioned media of RPE eyecups, sub-confluent, just confluent cultures, or established confluent cultures of human ARPE-19 cells were generated. These condition media were used to treat macrophages phagocytizing pHrodo bioparticles. After 24 hours incubation the macrophages were imaged by fluorescent microscopy, and fluorescence was measured. The fluorescent intensity is proportional to the amount of bioparticles phagocytized and are in an activated phagolysosome. The conditioned media of in situ mouse RPE eyecups significantly suppressed the activation of phagolysosome. The conditioned media from cultures of human ARPE-19 cells, grown to sub-confluence (50%) or grown to confluence had no effect on phagolysosome activation. In contrast, the conditioned media from established confluent cultures significantly suppressed phagolysosome activation. The neuropeptides alpha-MSH and NPY were depleted from the conditioned media of established confluent ARPE-19 cell cultures. This depleted conditioned media had diminished suppression of phagolysosome activation while promoting macrophage cell death. In addition, the condition media from cultures of ARPE-19 monolayers wounded with a bisecting scrape was diminished in suppressing phagolysosome activation. This technical report suggests that like primary RPE monolayers, established confluent cultures of ARPE-19 cells produce soluble factors that suppress the activation of macrophages, and can be used to study the molecular mechanisms of retinal immunobiology. In addition, the results further demonstrate the importance of an intact monolayer of RPE cells to modulate immune cell activity within the eye.
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Affiliation(s)
- AW Taylor
- Corresponding Author: Andrew W. Taylor, PhD, Department of Ophthalmology, Boston University School of Medicine, 72 East Concord Street, Room L915, Boston, MA 02118, USA., Tel: 617-912-7452,
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