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Asthma and clinical outcomes of COVID-19 in a community setting. Public Health 2024; 226:84-90. [PMID: 38016200 DOI: 10.1016/j.puhe.2023.10.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 10/16/2023] [Accepted: 10/24/2023] [Indexed: 11/30/2023]
Abstract
OBJECTIVES The association between asthma and COVID-19 mortality remains inconclusive. We examined the association between asthma and clinical outcomes of patients with COVID-19. STUDY DESIGN A case-control study based on a surveillance cohort in Harris County, Texas. METHODS Using the data of 21,765 patients who reported having at least one chronic health condition, we investigated the association between asthma and COVID-19 severity, characterized primarily by hospitalization and death. Unconditional logistic regression models were used to estimate the multivariable odds ratio (mOR) and its 95 % confidence interval (CI) of COVID-19 severity associated with asthma and other chronic lung diseases, adjusting for demographic and other comorbidities. A P-value < 0.005 was considered statistically significant after correcting multiple testing. RESULTS In total, 3034 patients (13.9 %) had asthma, and 774 (3.56 %) had other chronic lung diseases. The case death rate among patients with asthma and other chronic lung diseases was 0.75 % and 19.0 %, respectively. Compared to patients without the respective conditions, patients with asthma had lower odds of death (mOR = 0.44, 95 % CI: 0.27-0.69), while patients with other chronic lung diseases had higher odds of hospitalization (mOR = 2.02, 95 % CI: 1.68-2.42) and death (mOR = 1.95, 95 % CI: 1.52-2.49) (P-values < 0.005). Risk factors for COVID-19 mortality included older age, male gender, diabetes, obesity, hypertension, cardiovascular disease, active cancer, and chronic kidney disease. CONCLUSIONS The public health surveillance data suggested that preexisting asthma was inversely associated with COVID-19 mortality.
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Accuracy of ICD-10 codes for patients with acute myocarditis: a retrospective study at a large tertiary centre in London, UK. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Acute myocarditis (AM) is an inflammatory disease of the myocardium that is associated with heterogenous clinical presentations, which may be non-specific. Furthermore, several cardiac diseases can mimic its clinical phenotype. Research in AM frequently utilises ICD-10 codes from hospital admissions for case identification. We retrospectively confirmed or refuted a diagnosis of AM according to ESC Position Statement criteria in patients with an ICD-10 code for AM.
Methods
We performed a single-centre retrospective analysis of all unique admissions with ICD-10 codes corresponding to myocarditis or myopericarditis in the first three coding positions at King's College Hospital, London, United Kingdom. The diagnosis was classified as “confirmed” if proven by cardiac magnetic resonance imaging (CMR) or endomyocardial biopsy (EMB) or “suspected” in the absence of CMR or EMB if other ESC Position Statement criteria were met. To identify additional cases, we used an open-source retrieval system for unstructured clinical data (CogStack). We searched hospital and Intensive Care Unit (ICU) discharge summaries for inpatients discharged alive containing the keywords “myocarditis” or “myopericarditis”. We also searched for patients who died during the study period where the keywords “myocarditis” or “myopericarditis” were included on the death notification.
Results
We identified 308 unique admissions with an ICD-10 code for myocarditis or myopericarditis in this study, presenting between 2008 and 2020 (Figure 1). Overall, 26.0% of patients (n=80/308) could be excluded from a diagnosis of AM on review of the clinical summary. A total of 16.2% of patients (n=50/308) had insufficient evidence of AM, 1.9% (n=6/308) had not had coronary artery disease excluded as a culprit for the presentation, and 10.1% (n=31/308) had an alternative diagnosis. Only 45.8% (n=141/308) of all patients met criteria for suspected or confirmed AM. Of those, 86.5% (n=122/141) of cases were confirmed by CMR. Overall, 39.6% of patients with an ICD-10 code indicating AM had a confirmed diagnosis. An additional 46 suspected and 197 confirmed cases were identified using open-source retrieval from unstructured clinical data.
Conclusion
AM has heterogenous and sometimes non-specific clinical presentations, which may be compounded by limited access to CMR and EMB. We identified significant misclassification using ICD-10 codes. It is crucial to ensure that studies investigating AM include only patients meeting appropriate diagnostic criteria, thereby ensuring a high-quality evidence base in this disease.
Funding Acknowledgement
Type of funding sources: None.
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A Literature Review of Diagnostic Applicability of ICD 11 Classification of Personality Disorders in Comparison with ICD 10. Eur Psychiatry 2022. [PMCID: PMC9564016 DOI: 10.1192/j.eurpsy.2022.1142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Introduction Personality disorders are frequently encountered by all healthcare professionals and can often pose a diagnostic dilemma due to the crossover of different traits amongst the various subtypes. The ICD 10 classification comprised of succinct parameters of the 10 subtypes of personality disorders but lacked a global approach to address the complexity of the disease. The ICD 11 classification provides a more structural approach to aid in clinical diagnosis. Objectives A literature review of the diagnostic applicability of ICD 11 classification of personality disorders is presented in comparison with the ICD 10 classification. Methods A retrospective analysis of the literature outlining the ICD 10 and 11 classifications of personality disorders, exploring the differences in evidence-based applications of both. Results The ICD 11 classification of personality disorders supersedes the ICD 10 classification in describing the severity of the personality dysfunction in conjunction with a wide range of trait domain qualifiers, thus enabling the clinician to portray the disease dynamically. The current evidence available on the utility of the ICD 11 classification gives a promising outlook for its application in clinical settings. Conclusions The ICD 11 has transformed the classification of personality disorders by projecting a dimensional description of personality functioning, aiming to overcome the diagnostic deficiencies in the ICD 10 classification. The versatility offered by the application of the ICD 11 classification can be pivotal in reshaping the focus and intensity of clinical management of the disease. Disclosure No significant relationships.
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Discovery of potential competitive inhibitors against With-No-Lysine kinase 1 for treating hypertension by virtual screening, inverse pharmacophore-based lead optimization, and molecular dynamics simulations. SAR AND QSAR IN ENVIRONMENTAL RESEARCH 2022; 33:63-87. [PMID: 35078380 DOI: 10.1080/1062936x.2021.2023218] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 12/22/2021] [Indexed: 06/14/2023]
Abstract
The With-No-Lysine (WNK) has received attention because of its involvement in hypertension. Genetic mutation in the genes of WNK, leading to its overexpression, has been reported in Familial Hyperkalaemic Hypertension, and thus WNK is considered a potential drug target. Herein, we have performed a high-throughput virtual screening of ~11,000 compounds, mainly the natural phytochemical compounds and kinase inhibitory libraries, to find potential competitive inhibitors against WNK1. Initially, candidates with a docking score of ~ -10.0 kcal/mol or less were selected to further screen their good pharmacological properties by applying absorption, distribution, metabolism, excretion, and toxicity (ADMET). Finally, six docked compounds bearing appreciable binding affinities and WNK1 selectivity were complimented with 500 ns long all-atom molecular dynamic simulations. Subsequently, the MMPBSA scheme (Molecular Mechanics Poisson Boltzmann Surface Area) suggested three phytochemical compounds, C00000947, C00020451, and C00005031, with favourable binding affinity against WNK1. Among them, C00000947 acts as the most potent competitive inhibitor of WNK1. Further, inverse pharmacophore-based lead optimization of the C00000947 leads to one potential compound, meciadanol, which shows better binding affinity and specificity than C00000947 towards WNK1, which may be further exploited to develop effective therapeutics against WNK1-associated hypertension after in vitro and in vivo validation.
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Investigating potency of TMC-126 against wild-type and mutant variants of HIV-1 protease: a molecular dynamics and free energy study. SAR AND QSAR IN ENVIRONMENTAL RESEARCH 2021; 32:941-962. [PMID: 34787532 DOI: 10.1080/1062936x.2021.1999318] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 10/25/2021] [Indexed: 06/13/2023]
Abstract
A detailed computational study was performed to investigate the conformational changes of flap region and the mechanism underlying the binding of the inhibitor TMC-126 to HIV-1 protease (PR1) and its mutant variants through molecular dynamics simulations in conjunction with the molecular mechanics Poisson-Boltzmann (MM-PBSA) free energy calculation. Further, we have studied the effectiveness of the inhibitor against HIV-2 protease (PR2). The MM-PBSA calculation suggests that TMC-126 loses its potency against mutant variants and PR2 compared to wild-type PR1 mainly due to the loss in intermolecular electrostatic interactions. The potency of the inhibitor decreases in the order: wild type PR1 > M46L > MDR20 > I50V > PR2 > V32I > A28S. Our study reveals that the flap of PR1 adopts a semi-open conformation due to the mutation I50V or MDR20. The dissimilar nature of the movement of the flap tip of both monomers is evident from the dynamic cross-correlation map. The protein structural network analysis displays that mutation causes structural rearrangements and changes the communication path between residues. Overall, we believe our study may help explore and accelerate the development of novel HIV-1/HIV-2 protease inhibitors with better potency.
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P-109 CYTOFLOC: Evaluation of a non-endoscopic immunocytological device (Cytosponge™) for post-chemo-radiotherapy surveillance in patients with oesophageal cancer – a feasibility study. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Correction to: Genetic diversity and population structure of Jamunapari goat in India using pedigree analysis. Trop Anim Health Prod 2021; 53:293. [PMID: 33909174 DOI: 10.1007/s11250-021-02710-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Genetic diversity and population structure of Jamunapari goat in India using pedigree analysis. Trop Anim Health Prod 2021; 53:218. [PMID: 33745019 DOI: 10.1007/s11250-021-02638-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 02/22/2021] [Indexed: 11/29/2022]
Abstract
Pedigree records of 6821 Jamunapari goats of India were collected from 1980 to 2011 and used to evaluate the population structure and genetic diversity in this flock. Animals born between 2009 and 2011 represented the current reference population. The average pedigree completeness index (PCI) and numbers of equivalent complete generations (EqG) were estimated for the entire (PCI = 0.18, EqG = 2.24) and reference (PCI = 0.31, EqG = 3.45) populations. The average generation interval was 3.33 years. The average inbreeding coefficient and the average relatedness were 0.46 and 1.06%, respectively, for the entire population and 0.77 and 3.87% for the reference population. The rate of inbreeding was 0.06% per generation. The effective population size (Ne), estimated from increases in inbreeding coefficients between the first and third equivalent complete generations, was 52.65, but periodic introductions of unrelated breeding males resulted in average inbreeding levels in the reference population that were lower than those predicted from the estimate of Ne. Effective numbers of founders (fe), ancestors (fa), founder genomes equivalents (fg), and non-founder genomes (fng) were 51, 39, 25.8, and 48.2, respectively. The fe/fa ratio in the reference population was 1.31 and indicated that occasional bottlenecks had occurred in the population. The 14 most influential ancestors contributed 50% of the genetic variability in the reference population, with a maximum individual contribution of 9.25%. Approximately 1.9% of the initial heterozygosity had been lost from the population, indicating that substantial genetic diversity still exists in this flock.
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Increased paediatric presentations of severe diabetic ketoacidosis in an Australian tertiary centre during the COVID-19 pandemic. Diabet Med 2021; 38:e14417. [PMID: 33020999 PMCID: PMC7646057 DOI: 10.1111/dme.14417] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 09/15/2020] [Accepted: 09/27/2020] [Indexed: 12/28/2022]
Abstract
AIMS To determine if the frequency of severe diabetic ketoacidosis at presentation of new-onset type 1 diabetes to an Australian tertiary centre increased during the initial period of restrictions resulting from the COVID-19 pandemic (March to May 2020). METHODS Data were collected on presentations of newly diagnosed type 1 diabetes as well as on all paediatric presentations to the emergency department of a tertiary centre between 2015 and 2020. Data from the period of initial COVID restrictions in Australia (March to May 2020) were compared to the period March to May of the previous 5 years (pre-pandemic periods). RESULTS The number of new diagnoses of type 1 diabetes was comparable in the pandemic period and pre-pandemic periods (11 in 2020 vs range 6-10 in 2015-2019). The frequency of severe diabetic ketoacidosis was significantly higher in the pandemic period compared to the pre-pandemic periods (45% vs 5%; P <0.003), odds ratio 16.7 (95% CI 2.0, 194.7). The overall frequency of diabetic ketoacidosis was also significantly higher during the pandemic period (73% vs 26%; P <0.007), odds ratio 7.5 (95% CI 1.7, 33.5). None of the individuals tested positive for COVID-19. Presentations of people aged <18 years to the emergency department decreased by 27% in the pandemic period compared to the average of the pre-pandemic periods (4799 vs 6550; range 6268 to 7131). CONCLUSIONS A significant increase in the frequency of severe diabetic ketoacidosis at presentation of type 1 diabetes was observed during the initial period of COVID-19 restrictions. We hypothesize that concern about presenting to hospital during a pandemic led to a delay in diagnosis. These data have important implications for advocacy of seeking healthcare for non-pandemic-related conditions during a global pandemic.
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324P COVID era: Perception of oncologists from a developing nation. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.10.318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Protamine composition of koala and wombat spermatozoa provides new insights into DNA stability following cryopreservation. Reprod Fertil Dev 2020; 31:1558-1566. [PMID: 31167697 DOI: 10.1071/rd18512] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 05/02/2019] [Indexed: 11/23/2022] Open
Abstract
To investigate differences in the post-thaw DNA stability of koala and wombat spermatozoa, protamine amino acid sequences were compared and it was found that there were three more arginine residues for the wombat. Koala and wombat spermatozoa, cryopreserved using identical protocols, were examined for changes in sperm DNA fragmentation (SDF) dynamics over 24h of post-thaw incubation. Following validation of a wombat sperm chromatin dispersion test, wombat DNA showed a rate of SDF that was 6-fold higher than for koala spermatozoa (P=0.038). Finally, we examined whether expected differences in chromatin compactness, associated with protamine sequence, had an effect on restriction site accessibility of sperm DNA. Thawed spermatozoa were exposed to Alu I and EcoR1 endonuclease restriction enzymes and the SDF dynamics were observed. Koala spermatozoa exposed to Alu I showed a greater rate of SDF (P=0.01), whereas wombat spermatozoa exposed to EcoR1 showed a greater rate of SDF (P=0.032). We conclude that restriction sites in these species are differentially present or exposed and potentially account for differences in SDF dynamics. Although differences in the arginine composition of protamine may explain relative differences in SDF following cryopreservation, they do not support the hypothesis that increased arginine composition increases DNA stability; rather, increased arginine composition in the wombat may reduce post-thaw chromatin swelling.
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P-273 Real-world experience of definitive chemoradiation in esophageal cancer: Correlation of tumour length, toxicity and disease control. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.04.355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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OPTIMIZING CHEMOTHERAPY FOR FRAIL AND/OR ELDERLY PATIENTS WITH ADVANCED GASTROESOPHAGEAL CANCER (AGOAC): THE GO2 PHASE III TRIAL. J Geriatr Oncol 2019. [DOI: 10.1016/s1879-4068(19)31133-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Radiology-guided oesophageal stenting for the palliation of dysphagia: a single center experience. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Effects of Induction on the Risk of Post-Transplant De Novo DSA. J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Sensitization in LVAD Recipients with and without Transfusions. J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.1155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Simple, narrow, and robust atomic frequency reference at 993 nm exploiting the rubidium (Rb) 5S 1/2 to 6S 1/2 transition using one-color two-photon excitation. OPTICS EXPRESS 2019; 27:6528-6535. [PMID: 30876236 DOI: 10.1364/oe.27.006528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 02/05/2019] [Indexed: 06/09/2023]
Abstract
We experimentally demonstrate a one-color two-photon transition from the 5S1/2 ground state to the 6S1/2 excited state in rubidium (Rb) vapor using a continuous wave laser at 993 nm. The Rb vapor contains both isotopes (85Rb and 87Rb) in their natural abundances. The electric dipole-allowed transitions are characterized by varying the power and polarization of the excitation laser. Since the optical setup is relatively simple, and the energies of the allowed levels are impervious to stray magnetic fields, this is an attractive choice for a frequency reference at 993 nm, with possible applications in precision measurements and quantum information processing.
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Treatment: the role of contact X-ray brachytherapy (Papillon) in the management of early rectal cancer. Colorectal Dis 2019; 21 Suppl 1:45-52. [PMID: 30809905 DOI: 10.1111/codi.14507] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2018] [Accepted: 11/26/2018] [Indexed: 12/13/2022]
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CAT-262CT Genotype shows higher catalase activity in seminal plasma and lower risk of male infertility. Meta Gene 2018. [DOI: 10.1016/j.mgene.2018.07.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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SIFTING FOR SAPPHIRES: SYSTEMATIC SELECTION OF TIDAL DISRUPTION EVENTS IN iPTF. THE ASTROPHYSICAL JOURNAL. SUPPLEMENT SERIES 2018; 238:15. [PMID: 31160831 PMCID: PMC6544052 DOI: 10.3847/1538-4365/aad8b1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
We present results from a systematic selection of tidal disruption events (TDEs) in a wide-area (4800 deg2), g + R band, Intermediate Palomar Transient Factory (iPTF) experiment. Our selection targets typical optically-selected TDEs: bright (>60% flux increase) and blue transients residing in the center of red galaxies. Using photometric selection criteria to down-select from a total of 493 nuclear transients to a sample of 26 sources, we then use follow-up UV imaging with the Neil Gehrels Swift Telescope, ground-based optical spectroscopy, and light curve fitting to classify them as 14 Type Ia supernovae (SNe Ia), 9 highly variable active galactic nuclei (AGNs), 2 confirmed TDEs, and 1 potential core-collapse supernova. We find it possible to filter AGNs by employing a more stringent transient color cut (g - r < -0.2 mag); further, UV imaging is the best discriminator for filtering SNe, since SNe Ia can appear as blue, optically, as TDEs in their early phases. However, when UV-optical color is unavailable, higher precision astrometry can also effectively reduce SNe contamination in the optical. Our most stringent optical photometric selection criteria yields a 4.5:1 contamination rate, allowing for a manageable number of TDE candidates for complete spectroscopic follow-up and real-time classification in the ZTF era. We measure a TDE per galaxy rate of 1.7 - 1.3 + 2.9 × 10 - 4 gal - 1 yr - 1 (90% CL in Poisson statistics). This does not account for TDEs outside our selection criteria, thus may not reflect the total TDE population, which is yet to be fully mapped.
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A single centre experience of in-field recurrence following pre-operative radio(chemo)therapy in patients with rectal cancer. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy151.316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Human prostasomes from normozoospermic and non-normozoospermic men show a differential protein expression pattern. Andrology 2018; 6:585-596. [DOI: 10.1111/andr.12496] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 03/20/2018] [Accepted: 03/28/2018] [Indexed: 12/11/2022]
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Metal-Matrix Radioactive Waste Forms Prepared by Electrochemical/Gravity Co-Deposition. NUCL TECHNOL 2017. [DOI: 10.13182/nt80-a32561] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Analytic Reductions for Transmission and Leakage Probabilities in Finite Tubes and Hexahedra. NUCL SCI ENG 2017. [DOI: 10.13182/nse90-a23720] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Long-term results and recurrence patterns from SCOPE-1: a phase II/III randomised trial of definitive chemoradiotherapy +/- cetuximab in oesophageal cancer. Br J Cancer 2017; 116:709-716. [PMID: 28196063 PMCID: PMC5355926 DOI: 10.1038/bjc.2017.21] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Revised: 01/03/2017] [Accepted: 01/16/2017] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The SCOPE-1 study tested the role of adding cetuximab to conventional definitive chemoradiotherapy (dCRT), and demonstrated greater toxicity and worse survival outcomes. We present the long-term outcomes and patterns of recurrence. METHODS SCOPE-1 was a phase II/III trial in which patients were randomised to cisplatin 60 mg m-2 (day 1) and capecitabine 625 mg m-2 bd (days 1-21) for four cycles +/- cetuximab 400 mg m-2 day 1 then by 250 mg m-2 weekly. Radiotherapy consisted of 50 Gy/25# given concurrently with cycles 3 and 4. Recruitment was between February 2008 and February 2012, when the IDMC recommended closure on the basis of futility. RESULTS About 258 patients (dCRT=129; dCRT+cetuximab (dCRT+C)=129) were recruited from 36 centres. About 72.9% (n=188) had squamous cell histology. The median follow-up (IQR) was 46.2 (35.9-48.3) months for surviving patients. The median overall survival (OS; months; 95% CI) was 34.5 (24.7-42.3) in dCRT and 24.7 (18.6-31.3) in dCRT+C (hazard ratio (HR)=1.25, 95% CIs: 0.93-1.69, P=0.137). Median progression-free survival (PFS; months; 95% CI) was 24.1 (15.3-29.9) and 15.9 (10.7-20.8) months, respectively (HR=1.28, 95% CIs: 0.94-1.75; P=0.114). On multivariable analysis only earlier stage, full-dose RT, and higher cisplatin dose intensity were associated with improved OS. CONCLUSIONS The mature analysis demonstrates that the dCRT regimen used in the study provided useful survival outcomes despite its use in patients who were largely unfit for surgery or who had inoperable disease. Given the competing risk of systemic and local failure, future studies should continue to focus on enhancing local control as well as optimising systemic therapy.
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A randomised phase II trial and feasibility study of palliative chemotherapy in frail or elderly patients with advanced gastroesophageal cancer (321GO). Br J Cancer 2017; 116:472-478. [PMID: 28095397 PMCID: PMC5318975 DOI: 10.1038/bjc.2016.442] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2016] [Revised: 11/08/2016] [Accepted: 12/05/2016] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Elderly patients are commonly under-represented in cancer clinical trials. The 321GO was undertaken in preparation for a definitive phase three trial assessing different chemotherapy regimens in a frail and/or elderly population with advanced gastroesophageal (GO) cancer. METHODS Patients with advanced GO cancer considered unfit for conventional dose chemotherapy were randomly assigned in a 1 : 1 : 1 ratio to: epirubicin, oxaliplatin and capecitabine (EOX); oxaliplatin and capecitabine (OX); and capecitabine alone (X) (all 80% of full dose and unblinded). The primary end point was patient recruitment over an 18-month period. A registration study recorded treatment choice for all patients with advanced GO cancer at trial centres. RESULTS A total of 313 patients were considered for palliative chemotherapy for GO cancer over the 18-month period: 115 received full dose treatment, 89 less than standard treatment or entered 321GO and 111 no treatment. Within 321GO, 55 patients were randomly assigned (19 to OX and X; 17 to EOX). Progression-free survival (PFS) for all patients was 4.4 months and by arm 5.4, 5.6 and 3.0 months for EOX, OX and X, respectively. The number of patients with a good overall treatment utility (OTU), a novel patient-centred endpoint, at 12 weeks was 3 (18%), 6 (32%) and 1 (6%) for EOX, OX and X, respectively. At 6 weeks, 22 patients (41%) had experienced a non-haematologic toxicity ⩾grade 3, most commonly lethargy or diarrhoea. The OTU was prognostic for overall survival in patients alive at week 12 (logrank test P=0.0001). CONCLUSIONS It is feasible to recruit elderly and/or frail patients with advanced GO cancer to a randomised clinical trial. The OX is the preferred regimen for further study. Overall treatment utility shows promise as a comparator between treatment regimens for feasibility and randomised trials in the elderly and/or frail GO cancer population.
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159P Antioxidant effect of mangiferin: The potential anti-cancer therapeutic agent. Ann Oncol 2016. [DOI: 10.1016/s0923-7534(21)00317-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Pundit Madhusudan Gupta – A versatile genius and forefather of modern medical education in India. J ANAT SOC INDIA 2016. [DOI: 10.1016/j.jasi.2016.08.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Bilateral multiple renal arteries with anomalous origin of ovarian arteries on both sides: A case report. J ANAT SOC INDIA 2016. [DOI: 10.1016/j.jasi.2016.08.387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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O-003 Long-term outcome from the SCALOP trial: a multi-centre randomized phase II trial of gemcitabine or capecitabine-based chemoradiation (CRT) for locally advanced pancreatic cancer (LAPC). Ann Oncol 2016. [DOI: 10.1093/annonc/mdw198.03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Expedient synthesis of functional single-component glycoliposomes using thiol-yne chemistry. J Mater Chem B 2016; 4:4227-4233. [PMID: 32264625 DOI: 10.1039/c6tb00344c] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The preparation of a set of eight unprecedented amphiphilic neoglycolipids forming liposome nanoparticles is reported. The small library was readily obtained from various peracetylated propargyl glycopyranosides via efficient radical-initiated thiol-yne (TYC) coupling reactions using alkanethiols of different chain lengths. In addition, using sequential thiol-yne, both the nature and positioning of the lipophilic alkanethiols could be varied at will, thus providing unparalleled variability within the glycolipid structures. Two different classes of self-assemblies were prepared from the new neoglycolipids. First, liposomes of 150-300 nm were obtained by solvent injection of their ethanol or tetrahydrofuran (THF) solution in water. The resulting structures were analyzed by dynamic light scattering (DLS) and atomic force microscopy (AFM). The mannosylated lipid nanoparticle (compound 14) showed good stability in water. Alternatively, giant soft unilamellar vesicles were also obtained by film hydration and visualized by differential interference contrast microscopy (DIC). Incorporation of a hydrophobic dye to the solution prior to evaporation allowed visualization by confocal microscopy. Finally, the biological functions of the newly formed glycolipid vesicles were evaluated by multivalent carbohydrate-protein binding interactions using concanavalin A (ConA). Agglutination assays and the binding of glycolipid by dendritic cells (DCs) resulted in an increase in DCs immunostimulatory potential. Importantly, we did not see changes in cells viability at tested doses. This study provides a new, simple and highly efficient methodology to produce novel glyconanoparticle candidate as model in development of vaccine adjuvant and drug delivery system.
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Post-traumatic endophthalmitis in 143 eyes of children and adolescents from India. Eye (Lond) 2016; 30:615-20. [PMID: 26869162 DOI: 10.1038/eye.2016.9] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Accepted: 12/15/2015] [Indexed: 11/09/2022] Open
Abstract
PURPOSE The purpose of this study was to describe clinical features, risk factors, causative organisms, treatment options, and outcomes of post-traumatic endophthalmitis in children and adolescents. METHODS Retrospective interventional case series. Case records of 143 consecutive eyes presenting with post-traumatic endophthalmitis between 1997 and 2007 were reviewed. Univariate and multivariate analysis were done to analyze factors associated with adverse outcomes. RESULTS Mean age at presentation was 9.2 years (median 8 years, range: 2 months to 18 years). Broomstick and hypodermic needle were most common causes for injuries. Common presenting features were cataract (n=51), hypopyon (n=45) and retinal detachment (n=29). Corneal abscess (n=21; OR: 5, CI: 1.4-18.7) and retinal detachment (n=29, OR: 5, CI: 1.6-11.3) were independent risk factors for poor outcome (P=0.04 and 0.012, respectively). Gram-positive bacteria were isolated in 54% (n=31) of culture-positive cases. Forty-nine (34%) patients had ambulatory vision at final visit. Patients who received treatment within 24 h were 3.6 and 9 times more likely to have better anatomical outcome than those treated at 2-7 days, or >7 days, respectively (P=0.0001). Patients undergoing early vitrectomy were 27 times more likely to have better outcome (P=0.0001). CONCLUSION Post-traumatic endophthalmitis in children is more common in boys <10 years of age and most often caused by injury with organic matter. Corneal abscess and retinal detachment are associated with poor outcome. E. fecalis is the most common causative organism. Early vitrectomy results in better outcomes.
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Modulation of the Post-Infarct Immune Response by Epicardial Application of Decellularized Amniotic Membrane. Thorac Cardiovasc Surg 2016. [DOI: 10.1055/s-0036-1571712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Anomalous origin of left vertebral artery from arch of aorta and associated vascular anomalies – A case report. J ANAT SOC INDIA 2015. [DOI: 10.1016/j.jasi.2015.07.215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Patient-reported outcomes during and after definitive chemoradiotherapy for oesophageal cancer. Br J Cancer 2015; 113:603-10. [PMID: 26203761 PMCID: PMC4647690 DOI: 10.1038/bjc.2015.258] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Revised: 05/07/2015] [Accepted: 06/15/2015] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Limited data describe patient-reported outcomes (PROs) of localised oesophageal cancer treated with definitive chemoradiotherapy(CRT). The phase 2/3 SCOPE-1 trial assessed the effectiveness of CRT±cetuximab. The trial for the first time provided an opportunity to describe PROs from a multi-centre group of patients treated with CRT that are presented here. METHODS Patients undergoing CRT±cetuximab within the SCOPE-1 trial (258 patients from 36 UK centres) completed generic-, disease- and treatment-specific health-related quality of life (HRQL) questionnaires (EORTC QLQ-C30, QLQ-OES18, Dermatology Life-Quality Index (DLQI)) at baseline and at 7, 13, 24, 52 and 104 weeks. Mean EORTC functional scale scores (>15 point change significant), DLQI scores (>4 point change significant) and proportions of patients (>15% significant) with 'minimal' or 'severe' symptoms are presented. RESULTS Questionnaire response rates were good. At baseline, EORTC functional scores were high (>75%) and few symptoms were reported except for severe problems with fatigue, insomnia and eating-related symptoms (e.g., appetite loss, dysphagia, dry mouth) in both groups(>15%). Functional aspects of health deteriorated and symptoms increased with treatment and by week 13 global quality of life, physical, role and social function significantly deteriorated and more problems with fatigue, dyspnoea, appetite loss and trouble with taste were reported. Recovery occurred by 6 months (except severe fatigue and insomnia in >15% of patients) and maintained at follow-up with no differences between groups. CONCLUSIONS CRT for localised oesophageal cancer has a significant detrimental impact on many aspects of HRQL; however, recovery is achieved by 6 months and maintained with the exception of persisting problems with severe fatigue and insomnia. The data suggest that the HRQL recovery after definitive CRT is quicker, and there is little lasting deficit compared with treatment including surgery. These data need to be compared with HRQL data from studies evaluating treatments including surgery for oesophageal cancer.
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Sex differences in children's investment in peers. HUMAN NATURE-AN INTERDISCIPLINARY BIOSOCIAL PERSPECTIVE 2015. [PMID: 26196137 DOI: 10.1007/s12110-998-1015-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
It is hypothesized from within an evolutionary framework that females should be less invested in peer relations than males. Investment was operationalized as enjoyment in Study 1 and as preference for interaction in Study 2. In the first study, four- and six-year-old children's enjoyment of peer interaction was observed in 26 groups of same-sex peers. Girls were rated as enjoying their interactions significantly less than boys. In the second study, six- and nine-year-old children were interviewed about the individuals with whom they spend time in their homes and neighborhoods and about the individuals who participate in their favorite activities. The proportion of individuals named by children who were peers was significantly lower for girls than boys both in children's neighborhoods and in children's favorite activities. Results strongly support the hypothesis that females and males have evolved differential preferences for interaction with peers.
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Compensatory Adjustment in Chloride Cells During Salinity Adaptation in Mud Crab, Scylla serrata. ACTA ACUST UNITED AC 2015. [DOI: 10.1007/s12595-015-0148-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Is Switch Maintenance Therapy Mandatory for EGFR Mutated Patients Initiated on Chemotherapy? Ann Oncol 2015. [DOI: 10.1093/annonc/mdv050.24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Spermatozoa of Sminthopsis murina (Mammalia: Metatheria) exhibit an unusually high degree of chromatin stability in the absence of disulphide bonding in protamine 1. Reprod Fertil Dev 2015; 28:RD14504. [PMID: 25714780 DOI: 10.1071/rd14504] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2014] [Accepted: 01/05/2015] [Indexed: 11/23/2022] Open
Abstract
Although all but a single genus (Planigale) of the metatheria so far examined contain no cysteine residues in protamine 1, we report a remarkable level of chromatin stability in the spermatozoa of the common dunnart, Sminthopsis murina. S. murina cauda epididymal spermatozoa and somatic epithelial cells were exposed to a combination of graded treatments to lyse sperm protein and induce sperm DNA damage via standard freeze-thaw protocols and post-thaw incubation at 37°C for 48h, exposure to sodium nitroprusside (SNP) and the enzyme AluI restriction endonuclease. Sperm DNA fragmentation was assessed using the comet assay and sperm chromatin dispersal test. Although S. murina somatic cells showed DNA fragmentation following protein lysis and after treatment with all the protocols specifically designed to induce chromatin damage, sperm DNA fragmentation was only observed following moderate to severe proteolytic exposure and treatment with the restriction endonuclease; there was also an increase in the baseline halo of spermatozoa treated with an aggressive reducing agent, but no corresponding evidence of fragmented DNA, suggesting that cysteine residues may be functioning to conform tertiary and/or quaternary chromatin structure. Given that the protamine 1 of S. murina contains no cysteine, we suggest that the source of these residues is possibly the histone fraction of the chromatin and that the high level of stability is potentially related to prolonged sperm survival in the female's reproductive tract.
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A preliminary study of recombinant human interferon-α-2a activity against rabies virus in murine model. Indian J Med Microbiol 2015; 33:132-5. [PMID: 25560017 DOI: 10.4103/0255-0857.148412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Rabies remains an important public health problem in the world due to uncontrolled enzootic rabies. Although rabies associated fatalities may be prevented with timely immunoprophylaxis, but till date a therapeutic molecule has remained elusive. We investigated the role of rhuIFN α-2a in murine model challenged with rabies virus. Titre of 10(4.25) LD50/0.03 ml of 10% w/v RV CVS stock suspension were obtained. Based on 1LD50 titre, challenge dose of 50 LD 50 was administered along with rhuIFN α-2a with pre-exposure (primed) and post-exposure with the rabies virus. Both showed increased survival time as compared with the virus controls. These findings suggest that the rhuIFN α-2a might have some anti-viral activity, which can be used for the treatment of rabies infection. Further research on the efficacy of interferon along with anti-viral drugs for the treatment will be helpful in designing combination therapy against the disease.
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Recent results from INDRA. EPJ WEB OF CONFERENCES 2015. [DOI: 10.1051/epjconf/20158800005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Severe visual loss following obstetric forceps delivery-related ocular trauma in a neonate. J OBSTET GYNAECOL 2014; 35:415. [PMID: 25356829 DOI: 10.3109/01443615.2014.969205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Metabolite pattern ofCysticercus cellulosaemetacestode from different predilection sites of swine using proton magnetic resonance spectroscopy. Parasite 2014; 11:161-7. [PMID: 15224577 DOI: 10.1051/parasite/2004112161] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Cysticercosis due to Taenia solium is one of the most common public health problems in various regions of the world. We have performed prolon magnetic resonance spectroscopy (1H MRS) experiments of the fluid aspirated from cysticerci excised from skeletal muscle (n = 16) and brain (n = 9) of infected swine to compare the metabolite pattern of cysticerci in different predilection sites. Perchloric acid extract of cysticercus cysts excised from skeletal muscles (n = 16) was also prepared to ascertain water-soluble, low molecular weight metabolites using 1H MRS. Absolute quantification and statistical analysis of different metabolites was done to look for any significant differences in different locations of cysts. The metabolite pattern of cysticerci was found to be similar in the various predilection sites. Metabolites observed were leucine, valine, alanine, lysine, glycine, lipid contents, lactate, glutamate, acetate, succinate, creatine, choline, and glucose. Concentration of creatine in cysticercus fluid of cysts removed from the muscle was found to be significantly higher (p = 0.001) than the cysts located in the brain. We conclude that the metabolite pattern in the cysticerci is not influenced by the surrounding tissue location; however concentration of certain metabolites may depend upon the tissue location.
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Urinary TIMP-1 and MMP-2 levels detect the presence of pancreatic malignancies. Br J Cancer 2014; 111:1772-9. [PMID: 25137018 PMCID: PMC4453724 DOI: 10.1038/bjc.2014.462] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Revised: 07/16/2014] [Accepted: 07/24/2014] [Indexed: 02/06/2023] Open
Abstract
Background: A majority of patients with pancreatic malignancies, including both pancreatic ductal adenocarcinoma (PDAC) and pancreatic neuroendocrine tumours (pNETs), present with advanced disease due to a lack of specific symptoms and current diagnostic limitations, making this disease extremely difficult to detect. Our goal was to determine whether urinary matrix metalloproteases (uMMPs) and/or their endogenous inhibitors, urinary tissue inhibitor of metalloproteases (uTIMPs), could be detected in the urine of patients with pancreatic malignancies and whether they may serve as independent predictors of disease status. Methods: Retrospective analyses of urine samples (n=139) from PDAC and pNET patients as well as age- and sex-matched controls were conducted. Urinary MMP-2 and uTIMP-1 levels were determined using ELISA and zymography. Biomarker expression in tumour and normal pancreatic tissues was analysed via immunohistochemistry (IHC). Results: Multivariable logistic regression analyses indicated that, when controlling for age and sex, uMMP-2 (P<0.0001) and uTIMP-1 (P<0.0001) but not uMMP-9, were significant independent predictors for distinguishing between PDAC patients and healthy controls. Our data also indicated that uMMP-2 was an independent predictor of the presence of pNET. In addition, uTIMP-1 levels could differentiate the two cancer groups, PDAC and pNET, respectively. Immunohistochemistry analysis confirmed that MMP-2 and TIMP-1 protein expression is significantly upregulated in PDAC tissue compared with the normal pancreas. Conclusions: Taken together, our results suggest that the detection of uMMP-2 and uTIMP-1 may have diagnostic value in the detection of pancreatic malignancies and that uTIMP-1 may be useful in distinguishing between pancreatic adenocarcinoma and neuroendocrine tumours.
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Polymicrobial chronic endophthalmitis diagnosed by culture and molecular technique. Indian J Med Microbiol 2014; 32:331-2. [DOI: 10.4103/0255-0857.136593] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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