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Sengupta S, Tubio CR, Pinto RS, Barbosa J, Silva MM, Gonçalves R, Kundu M, Lanceros-Mendez S, Costa CM. Ternary composites of poly(vinylidene fluoride-co-hexafluoropropylene) with silver nanowires and titanium dioxide nanoparticles as separator membranes for lithium-ion batteries. J Colloid Interface Sci 2024; 668:25-36. [PMID: 38669993 DOI: 10.1016/j.jcis.2024.04.149] [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: 03/14/2024] [Revised: 04/12/2024] [Accepted: 04/21/2024] [Indexed: 04/28/2024]
Abstract
In the realm of polymer composites, there is growing interest in the use of mora than one filler for achieving multifunctional properties. In this work, a composite separator membrane has been developed for lithium-ion battery application, by incorporating conductive silver nanowires (AgNWs) and titanium dioxide (TiO2) nanoparticles into a poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) polymer matrix. The composite membranes were manufactured by solvent casting and thermally induced phase separation, with total filler content varying up to 10 wt%. The ternary composites composites present improved mechanical characteristics, ionic conductivity and lithium transfer number compared to the neat polymer matrix. On the other hand, the filler type and content within the composite has little bearing on the morphology, polymer phase, or thermal stability. Once applied as a separator in lithium-ion batteries, the highest discharge capacity value was obtained for the 5 wt% AgNWs/5 wt% TiO2/PVDF-HFP membrane at different C-rates, benefiting from the synergetic effect from both fillers. This work demonstrates that higher battery performance can be achieved for next-generation lithium-ion batteries by using separator membranes based on ternary composites.
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Affiliation(s)
- S Sengupta
- Electrochemial Energy Storage Laboratory, Department of Chemistry, SRM Institute of Science and Technology, Chennai, India
| | - C R Tubio
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain
| | - R S Pinto
- Centre of Chemistry, University of Minho, 4710-057 Braga, Portugal; Centre of Physics Universities of Minho and Porto, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - J Barbosa
- Centre of Chemistry, University of Minho, 4710-057 Braga, Portugal
| | - M M Silva
- Centre of Chemistry, University of Minho, 4710-057 Braga, Portugal
| | - R Gonçalves
- Centre of Chemistry, University of Minho, 4710-057 Braga, Portugal
| | - M Kundu
- Electrochemial Energy Storage Laboratory, Department of Chemistry, SRM Institute of Science and Technology, Chennai, India; International Iberian Nanotechnology Laboratory (INL), Av. Mestre Jose Veiga, 4715-330 Braga, Portugal.
| | - S Lanceros-Mendez
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain; Centre of Physics Universities of Minho and Porto, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; Laboratory of Physics for Materials and Emergent Technologies, LapMET, University of Minho, Braga 4710-057, Portugal; Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain
| | - C M Costa
- Centre of Physics Universities of Minho and Porto, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; Laboratory of Physics for Materials and Emergent Technologies, LapMET, University of Minho, Braga 4710-057, Portugal; Institute of Science and Innovation for Bio-Sustainability (IB-S), University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
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Balfagón D, Pascual LS, Sengupta S, Halliday KJ, Gómez-Cadenas A, Peláez-Vico MÁ, Sinha R, Mittler R, Zandalinas SI. WRKY48 negatively regulates plant acclimation to a combination of high light and heat stress. Plant J 2024; 117:1642-1655. [PMID: 38315509 DOI: 10.1111/tpj.16658] [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] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 01/22/2024] [Indexed: 02/07/2024]
Abstract
Plants growing under natural conditions experience high light (HL) intensities that are often accompanied by elevated temperatures. These conditions could affect photosynthesis, reduce yield, and negatively impact agricultural productivity. The combination of different abiotic challenges creates a new type of stress for plants by generating complex environmental conditions that often exceed the impact of their individual parts. Transcription factors (TFs) play a key role in integrating the different molecular signals generated by multiple stress conditions, orchestrating the acclimation response of plants to stress. In this study, we show that the TF WRKY48 negatively controls the acclimation of Arabidopsis thaliana plants to a combination of HL and heat stress (HL + HS), and its expression is attenuated by jasmonic acid under HL + HS conditions. Using comparative physiological and transcriptomic analyses between wild-type and wrky48 mutants, we further demonstrate that under control conditions, WRKY48 represses the expression of a set of transcripts that are specifically required for the acclimation of plants to HL + HS, hence its suppression during the HL + HS stress combination contributes to plant survival under these conditions. Accordingly, mutants that lack WRKY48 are more resistant to HL + HS, and transgenic plants that overexpress WRKY48 are more sensitive to it. Taken together, our findings reveal that WRKY48 is a negative regulator of the transcriptomic response of Arabidopsis to HL + HS and provide new insights into the complex regulatory networks of plant acclimation to stress combination.
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Affiliation(s)
- Damián Balfagón
- Department of Biology, Biochemistry and Natural Sciences, Universitat Jaume I, 12071, Castellón, Spain
- Institute of Molecular Plant Sciences, School of Biological Sciences, University of Edinburgh, Edinburgh, 3H9 3BF, UK
| | - Lidia S Pascual
- Department of Biology, Biochemistry and Natural Sciences, Universitat Jaume I, 12071, Castellón, Spain
| | - Soham Sengupta
- St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Karen J Halliday
- Institute of Molecular Plant Sciences, School of Biological Sciences, University of Edinburgh, Edinburgh, 3H9 3BF, UK
| | - Aurelio Gómez-Cadenas
- Department of Biology, Biochemistry and Natural Sciences, Universitat Jaume I, 12071, Castellón, Spain
| | - María Ángeles Peláez-Vico
- Division of Plant Science and Technology, College of Agriculture Food and Natural Resources, University of Missouri, Columbia, MO, 65211, USA
| | - Ranjita Sinha
- Division of Plant Science and Technology, College of Agriculture Food and Natural Resources, University of Missouri, Columbia, MO, 65211, USA
| | - Ron Mittler
- Division of Plant Science and Technology, College of Agriculture Food and Natural Resources, University of Missouri, Columbia, MO, 65211, USA
| | - Sara I Zandalinas
- Department of Biology, Biochemistry and Natural Sciences, Universitat Jaume I, 12071, Castellón, Spain
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Maity S, Sengupta S, Sen M. Therapeutic potential of rWnt5A in curbing Leishmania donovani infection. Infect Immun 2023; 91:e0026723. [PMID: 37725061 PMCID: PMC10580910 DOI: 10.1128/iai.00267-23] [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: 07/08/2023] [Accepted: 07/24/2023] [Indexed: 09/21/2023] Open
Abstract
In view of the antagonism of Wnt5A signaling toward microbial pathogens, we were interested in evaluating the therapeutic potential of recombinant Wnt5A (rWnt5A) in curbing Leishmania donovani infection. Initially, using L. donovani-infected RAW 264.7 and peritoneal macrophages, we demonstrated that application of rWnt5A as opposed to the vehicle control to the infected cells significantly dampens L. donovani infection. Inhibition of infection was associated with increase in cell-associated reactive oxygen species (ROS), and blocked by the ROS production inhibitor diphenylene iodonium chloride (DPI). rWnt5A, but not the vehicle control (PBS: phosphate-buffered saline) administration to L. donovani-infected mice appreciably reduced the infection load, and inhibited disease progression as evident from the preservation of splenic white pulp architecture. rWnt5A administration, moreover, led to elevation of both cell-associated ROS and the activation of splenic T cells. Substantial increase in T cell-associated Interleukin-2 (IL-2) and Granzyme B (GRB) upon exposure of splenic lymphocytes harvested from rWnt5A-treated mice to L. donovani-infected RAW 264.7 macrophages in vitro validated the occurrence of L. donovani-responsive T cell activation in vivo. In summary, this study unveils the therapeutic potential of rWnt5A in curbing L. donovani infection and the progression of experimental visceral leishmaniasis possibly through increase in cellular ROS and T cell activation. Accordingly, it opens up a new avenue of investigation into the use of rWnt5A as a therapeutic agent for restraining the progression of drug-resistant L. donovani infection.
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Affiliation(s)
- Shreyasi Maity
- Division of Cancer Biology & Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, West Bengal, India
| | - Soham Sengupta
- Division of Cancer Biology & Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, West Bengal, India
| | - Malini Sen
- Division of Cancer Biology & Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, West Bengal, India
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LaFlamme CW, Rastin C, Sengupta S, Pennington HE, Russ-Hall SJ, Schneider AL, Bonkowski ES, Almanza Fuerte EP, Galey M, Goffena J, Gibson SB, Allan TJ, Nyaga DM, Lieffering N, Hebbar M, Walker EV, Darnell D, Olsen SR, Kolekar P, Djekidel N, Rosikiewicz W, McConkey H, Kerkhof J, Levy MA, Relator R, Lev D, Lerman-Sagie T, Park KL, Alders M, Cappuccio G, Chatron N, Demain L, Genevieve D, Lesca G, Roscioli T, Sanlaville D, Tedder ML, Hubshman MW, Ketkar S, Dai H, Worley KC, Rosenfeld JA, Chao HT, Neale G, Carvill GL, Wang Z, Berkovic SF, Sadleir LG, Miller DE, Scheffer IE, Sadikovic B, Mefford HC. Diagnostic Utility of Genome-wide DNA Methylation Analysis in Genetically Unsolved Developmental and Epileptic Encephalopathies and Refinement of a CHD2 Episignature. medRxiv 2023:2023.10.11.23296741. [PMID: 37873138 PMCID: PMC10592992 DOI: 10.1101/2023.10.11.23296741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Sequence-based genetic testing currently identifies causative genetic variants in ∼50% of individuals with developmental and epileptic encephalopathies (DEEs). Aberrant changes in DNA methylation are implicated in various neurodevelopmental disorders but remain unstudied in DEEs. Rare epigenetic variations ("epivariants") can drive disease by modulating gene expression at single loci, whereas genome-wide DNA methylation changes can result in distinct "episignature" biomarkers for monogenic disorders in a growing number of rare diseases. Here, we interrogate the diagnostic utility of genome-wide DNA methylation array analysis on peripheral blood samples from 516 individuals with genetically unsolved DEEs who had previously undergone extensive genetic testing. We identified rare differentially methylated regions (DMRs) and explanatory episignatures to discover causative and candidate genetic etiologies in 10 individuals. We then used long-read sequencing to identify DNA variants underlying rare DMRs, including one balanced translocation, three CG-rich repeat expansions, and two copy number variants. We also identify pathogenic sequence variants associated with episignatures; some had been missed by previous exome sequencing. Although most DEE genes lack known episignatures, the increase in diagnostic yield for DNA methylation analysis in DEEs is comparable to the added yield of genome sequencing. Finally, we refine an episignature for CHD2 using an 850K methylation array which was further refined at higher CpG resolution using bisulfite sequencing to investigate potential insights into CHD2 pathophysiology. Our study demonstrates the diagnostic yield of genome-wide DNA methylation analysis to identify causal and candidate genetic causes as ∼2% (10/516) for unsolved DEE cases.
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Upadhyay R, Elguindy AN, Sengupta S, Wang K, Beyer S, Thomas EM, Raval R, Palmer JD. Initial Report of Boswellia Serrata for Management of Cerebral Radiation Necrosis after Stereotactic Radiosurgery for Brain Metastases. Int J Radiat Oncol Biol Phys 2023; 117:S172-S173. [PMID: 37784429 DOI: 10.1016/j.ijrobp.2023.06.639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Radiation necrosis (RN) is a concerning late toxicity after radiation therapy (RT) for brain metastases. Oral corticosteroids are the mainstay of management; however, they are not optimal for long-term use given multiple side effects and drug interactions, particularly with the emergence of immunotherapy for several cancers. Boswellia serrata (BS) is an over-the-counter supplement used for its anti-inflammatory properties and has been recently shown to reduce cerebral edema after brain RT. We evaluated the response rates with BS in a series of patients with brain metastases treated with stereotactic radiosurgery (SRS) who developed RN. MATERIALS/METHODS We included patients who developed RN after SRS for brain metastases at our institution from 2020-2022 and were treated with BS. Patients were prescribed over the counter BS 4.2-4.5g daily in divided doses. Follow-up MRI imaging was obtained every 2-3 months after starting BS. Response was assessed using Response Assessment in Neuro-Oncology (RANO) criteria. Primary endpoint was ≥25% decrease in edema volume on T2-FLAIR MRI from baseline. Patients were censored if they had tumor progression or repeat RT to necrotic area, or death. Kaplan-Meier curves were used for survival estimates. RESULTS A total of 50 patients received BS for Grade 1-3 CTCAE v5.0 RN (G1 = 11, G2 = 36, and G3 = 3). Median age was 62.8 years (range 36.9 - 50) and median RT dose was 24 Gy in 3 fractions. Median time to RN after SRS was 10 months(m). Median follow-up after starting BS was 6m and 40 patients had at least 1 follow up MRI available to evaluate response. The best response was complete response (CR) in 15% patients and partial response (PR) in 40% while 35% had stable disease (SD) and 10% had progressive disease. Median time to CR was 9m (6-12m) and PR was 6m (3-12m). Percentage of patients who had any response (CR or PR) at 3, 6, 9 and 12 months was 25%, 60%, 43% and 50%, respectively. 56% patients had symptomatic RN, of which 35.7% had improvement in symptoms with BS alone, while 64% required steroid use. Overall, median duration of response in patients with CR, PR or SD was 7.5m(range 2-31m). Salvage treatment for RN was steroids (33), surgery (4), Bevacizumab (5) or hyperbaric oxygen therapy (1). No patients had any CTCAE grade 3 or higher toxicities. 3 patients (6%) had any side-effects all of whom had Grade 1-2 gastrointestinal intolerance or diarrhea. 2 patients stopped treatment due to enrolment on an immunotherapy clinical trial. Overall, 39 patients remained on BS at last follow-up or death. CONCLUSION We observed >50% response rates with use of BS in our cohort of patients with Grade 1-3 RN after SRS. More than 1/3rd patients with symptomatic RN were able to avoid long-term steroid use. BS is an easily available over-the-counter drug that appears to be a safe and promising treatment option for RN, and can potentially decrease steroid dependence in these patients, reducing the risk of several side-effects. Further prospective studies to compare Boswellia with placebo is warranted.
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Affiliation(s)
| | - A N Elguindy
- The James Cancer Center, Ohio State University Wexner Medical Center, Columbus, OH
| | - S Sengupta
- Department of Neurology, University of Cincinnati, Cincinnati, OH
| | - K Wang
- Department of Radiation Oncology, University of Cincinnati, Cincinnati, OH
| | - S Beyer
- Department of Radiation Oncology, The Ohio State University Wexner Medical Center, Columbus, OH
| | - E M Thomas
- Department of Radiation Oncology, The Ohio State University Wexner Medical Center, Columbus, OH
| | - R Raval
- Department of Radiation Oncology, The Ohio State University Wexner Medical Center, Columbus, OH
| | - J D Palmer
- Department of Radiation Oncology, The Ohio State University Wexner Medical Center, Columbus, OH
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Hall J, Wang K, Lui KP, Darawsheh R, Shumway JW, Carey LA, Hayes KR, Lee CB, Moschos S, Sengupta S, Chaudhary R, Yogendran L, Struve TD, Vatner RE, Pater LE, Breneman JC, Weiner AA, Shen C. Safety and Efficacy of Stereotactic Radiosurgery with Concurrent Targeted Systemic Therapy for Brain Metastases. Int J Radiat Oncol Biol Phys 2023; 117:e107. [PMID: 37784639 DOI: 10.1016/j.ijrobp.2023.06.882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Data describing the safety and efficacy of central nervous system (CNS)-active targeted systemic therapies in combination with stereotactic radiosurgery (SRS, 1 fraction) and/or radiotherapy (SRT, 3-5 fractions) for brain metastases are emerging but limited. We report rates of local and intracranial failure and radiation necrosis in patients receiving CNS-active targeted systemic therapy and SRS/SRT. MATERIALS/METHODS We retrospectively identified patients with intact brain metastases at two institutions from 2009-2022 who were treated with SRS/SRT and CNS-active targeted systemic therapy in any sequence. Patients were followed for a minimum of 3 months after SRS/SRT with brain MRI. Patients typically stopped the targeted agent 2-4 days prior to radiation and resumed 2-4 days after. Targeted therapies included inhibitors of ALK/ROS1 (Alectinib, Ceritinib, Crizotinib, Lorlatinib), EGFR (Afatinib, Erlotinib, Gefitinib, Osimertinib), BRAF (Dabrafenib, Encorafenib, Vemurafenib), MEK (Binimetinib, Trametinib), CDK 4/6 (Abemaciclib, Palbociclib, Ribociclib), HER2 (Afatinib, Lapatinib, Neratinib, Pertuzumab, Trastuzumab, T-DM1, T-DXd, Tucatinib), KRAS (Adagrasib and Sotorasib), PARP (Niraparib, Olaparib), VEGF(R) (Axitinib, Bevacizumab, Ramucirumab), and less-selective tyrosine (receptor) kinase inhibitors (Bosutinib, Brigatinib, Entrectinib, Lenvatinib, Pazopanib, Sorafenib, Sunitinib). Local failure (LF) and radiation necrosis were determined radiographically with clinical impression (grade 2 (symptomatic) or higher (G2+)) and compared between different systemic agents. RESULTS The study included 95 patients with 310 metastases (SRS 246, SRT 64 metastases). Most common primary histologies were non-small cell lung cancer (36% 34/95), breast cancer (28% 27/95), and melanoma (16% 15/95). Overall survival at 1 and 2 years was 80% (76/95) and 55% (52/95), respectively. Median follow-up was 16.6 (range 3-91) months. Median tumor size was 7mm (range 1-75mm). Median number of brain metastases per patient was 2.5 (range 1-12). The G2+ radiation necrosis rate was 5.8% (18/310) while the LF rate was 9.7% (30/310) per metastasis. There was no significant difference in G2+ radiation necrosis by class of targeted therapy. Sixty-two percent (59/95) of patients experienced distant intracranial failure. Median intracranial progression free survival (PFS) was 8.0 (range 0.4-61.4) months. CONCLUSION Although heterogeneous, patients treated with SRS/SRT and ongoing CNS-active targeted systemic therapies have on average >6 month intracranial PFS and little evidence of significant toxicity. We observed <6% G2+ radiation necrosis for this cohort, and no particular class of agent was associated with a significantly higher rate of G2+ radiation necrosis.
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Affiliation(s)
- J Hall
- Department of Radiation Oncology, University of North Carolina, Chapel Hill, NC
| | - K Wang
- Department of Radiation Oncology, University of Cincinnati, Cincinnati, OH
| | - K P Lui
- Department of Radiation Oncology, University of Cincinnati, Cincinnati, OH
| | - R Darawsheh
- University of North Carolina, Chapel Hill, NC
| | - J W Shumway
- Department of Radiation Oncology, University of North Carolina, Chapel Hill, NC
| | - L A Carey
- Division of Oncology, University of North Carolina, Chapel Hill, NC
| | - K Reeder Hayes
- Division of Oncology, University of North Carolina, Chapel Hill, NC
| | - C B Lee
- Division of Oncology, University of North Carolina, Chapel Hill, NC
| | - S Moschos
- Division of Oncology, University of North Carolina, Chapel Hill, NC
| | - S Sengupta
- Department of Neurology, University of Cincinnati, Cincinnati, OH
| | - R Chaudhary
- Division of Oncology, University of Cincinnati, Cincinnati, OH
| | - L Yogendran
- Department of Neurology, University of Cincinnati, Cincinnati, OH
| | - T D Struve
- Department of Radiation Oncology, University of Cincinnati, Cincinnati, OH
| | - R E Vatner
- Department of Radiation Oncology, University of Cincinnati, Cincinnati, OH
| | - L E Pater
- Department of Radiation Oncology, University of Cincinnati, Cincinnati, OH
| | - J C Breneman
- Department of Radiation Oncology, University of Cincinnati, Cincinnati, OH
| | - A A Weiner
- Department of Radiation Oncology, University of North Carolina, Chapel Hill, NC
| | - C Shen
- Department of Radiation Oncology, University of North Carolina, Chapel Hill, NC
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MacDonald T, Sackett JJ, Gaskill-Shipley M, Rao R, Chaudhary R, Curry R, Forbes J, Andaluz N, Zuccarello M, Yogendran L, Sengupta S, Struve Iii TD, Vatner RE, Pater LE, Mascia AE, Breneman JC, Wang K. Neurologic Events and Outcomes in Patients Receiving Proton and Photon Reirradiation for High Grade Non-Codeleted Gliomas. Int J Radiat Oncol Biol Phys 2023; 117:e133-e134. [PMID: 37784697 DOI: 10.1016/j.ijrobp.2023.06.936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Patients undergoing reirradiation (ReRT) for high grade glioma are at risk for tumor progression, pseudoprogression, and radiation necrosis. We investigated factors associated with neurologic events and disease control after re-irradiation with protons and photons at a single academic center. MATERIALS/METHODS We reviewed records and MRIs of patients receiving scanning beam proton (since center opening in 2016) and photon (since 2015) reirradiation in ≥10 fractions for grade 3 anaplastic astrocytoma (AA) and grade 4 glioblastoma (GBM), excluding 1p19q co-deleted oligodendrogliomas and extensive multifocal/leptomeningeal disease. The primary endpoint was time from ReRT to ≥ grade 2 pseudoprogression or radiation necrosis (PsP/RN, grade 2: moderate symptoms requiring outpatient steroids/bevacizumab, grade 3: severe symptoms leading to admission or surgical intervention). Dose was converted to EQD2 using a/b = 3. Cox proportional hazards model was used to calculate survival and time to PsP/RN. RESULTS A total of 53 patients were included (26 protons, 27 photons, median KPS 80). Patients receiving protons had more favorable features. Compared to the photons, the proton group was younger (48 vs. 58) and more likely to have AA (46% vs. 22%) and resection within 3 months (42% vs 26%). The proton group also had a longer interval from prior RT (57 vs. 39 months) and were less likely to receive bevacizumab at reRT (15% vs. 59%). CTV was 130 cc for protons vs 99 cc for photons, and most had active disease at time of ReRT identified on planning MRI (76% protons, 85% photons). Median OS was 10.5 months (14.1 months protons, 8.1 months photons), with time from initial RT the only significant factor on multivariate analysis. Median PFS was 9.4 months (9.8 months protons, 6.2 months photons). 9 patients (18%) had ≥ grade 3 PsP/RN (8 proton, 1 photon) and 21 patients (41%) had ≥ grade 2 PsP/RN (16 proton, 5 photon). Grade 3 events included 1 seizure (photon group), 1 hemorrhage, 1 thalamic stroke, 1 shunt placement, 1 re-resection, and PSP4 4 PsP/RN requiring admission. Protons were associated shorter time to ≥ grade 2 PsP/RN (4 months vs. not reached, p = 0.027). When accounting for bevacizumab use at time of reRT, the association between protons and PsP/RN lost significance but there remained a trend (grade 2, p = 0.095, HR 2.4; grade 3, p = 0.105, HR 5.8). CTV, MGMT status, EQD2, and interval from prior RT were not associated with PsP/RN. CONCLUSION High grade neurologic events were common in patients with predominantly active, unresected high grade gliomas receiving ReRT. Though ascertainment and survival bias are significant limitations, pseudoprogression and necrosis appeared to be more prominent in patients receiving protons. These results contribute to ongoing efforts to both optimize ReRT for high grade glioma and investigate biologic effects of proton therapy.
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Affiliation(s)
- T MacDonald
- Department of Radiation Oncology, University of Cincinnati, Cincinnati, OH
| | - J J Sackett
- Department of Radiation Oncology, University of Cincinnati, Cincinnati, OH
| | | | - R Rao
- Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - R Chaudhary
- Division of Oncology, University of Cincinnati, Cincinnati, OH
| | - R Curry
- CTI Clinical Trial and Consulting Services, Covington, KY
| | - J Forbes
- Department of Neurosurgery, University of Cincinnati, Cincinnati, OH
| | - N Andaluz
- Department of Neurosurgery, University of Cincinnati, Cincinnati, OH
| | - M Zuccarello
- Department of Neurosurgery, University of Cincinnati, Cincinnati, OH
| | - L Yogendran
- Department of Neurology, University of Cincinnati, Cincinnati, OH
| | - S Sengupta
- Department of Neurology, University of Cincinnati, Cincinnati, OH
| | - T D Struve Iii
- Department of Radiation Oncology, University of Cincinnati, Cincinnati, OH
| | - R E Vatner
- Department of Radiation Oncology, University of Cincinnati, Cincinnati, OH
| | - L E Pater
- Department of Radiation Oncology, University of Cincinnati, Cincinnati, OH
| | - A E Mascia
- Department of Radiation Oncology, University of Cincinnati, Cincinnati, OH
| | - J C Breneman
- Department of Radiation Oncology, University of Cincinnati, Cincinnati, OH
| | - K Wang
- Department of Radiation Oncology, University of Cincinnati, Cincinnati, OH
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8
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Fichman Y, Xiong H, Sengupta S, Morrow J, Loog H, Azad RK, Hibberd JM, Liscum E, Mittler R. Phytochrome B regulates reactive oxygen signaling during abiotic and biotic stress in plants. New Phytol 2023; 237:1711-1727. [PMID: 36401805 DOI: 10.1111/nph.18626] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [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: 09/30/2022] [Accepted: 11/11/2022] [Indexed: 06/16/2023]
Abstract
Reactive oxygen species (ROS) and the photoreceptor protein phytochrome B (phyB) play a key role in plant acclimation to stress. However, how phyB that primarily functions in the nuclei impacts ROS signaling mediated by respiratory burst oxidase homolog (RBOH) proteins that reside on the plasma membrane, during stress, is unknown. Arabidopsis thaliana and Oryza sativa mutants, RNA-Seq, bioinformatics, biochemistry, molecular biology, and whole-plant ROS imaging were used to address this question. Here, we reveal that phyB and RBOHs function as part of a key regulatory module that controls apoplastic ROS production, stress-response transcript expression, and plant acclimation in response to excess light stress. We further show that phyB can regulate ROS production during stress even if it is restricted to the cytosol and that phyB, respiratory burst oxidase protein D (RBOHD), and respiratory burst oxidase protein F (RBOHF) coregulate thousands of transcripts in response to light stress. Surprisingly, we found that phyB is also required for ROS accumulation in response to heat, wounding, cold, and bacterial infection. Our findings reveal that phyB plays a canonical role in plant responses to biotic and abiotic stresses, regulating apoplastic ROS production, possibly while at the cytosol, and that phyB and RBOHD/RBOHF function in the same regulatory pathway.
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Affiliation(s)
- Yosef Fichman
- Division of Plant Sciences & Technology, College of Agricultural, Food and Natural Resources, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211-7310, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, 65211-7310, USA
| | - Haiyan Xiong
- Department of Plant Sciences, University of Cambridge, Cambridge, CB2 3EA, UK
| | - Soham Sengupta
- Department of Biological Sciences, College of Science, University of North Texas, Denton, TX, 76203-5017, USA
| | - Johanna Morrow
- Division of Biological Sciences, College of Arts & Sciences, University of Missouri, Columbia, MO, 65211-7400, USA
- Department of Biology and Environmental Sciences, Westminster College, 501 Westminster Ave, Fulton, MO, 65251, USA
| | - Hailey Loog
- Division of Plant Sciences & Technology, College of Agricultural, Food and Natural Resources, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211-7310, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, 65211-7310, USA
| | - Rajeev K Azad
- Department of Biological Sciences, College of Science, University of North Texas, Denton, TX, 76203-5017, USA
- Department of Mathematics, College of Science, University of North Texas, Denton, TX, 76203-5017, USA
| | - Julian M Hibberd
- Department of Plant Sciences, University of Cambridge, Cambridge, CB2 3EA, UK
| | - Emmanuel Liscum
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, 65211-7310, USA
- Division of Biological Sciences, College of Arts & Sciences, University of Missouri, Columbia, MO, 65211-7400, USA
| | - Ron Mittler
- Division of Plant Sciences & Technology, College of Agricultural, Food and Natural Resources, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211-7310, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, 65211-7310, USA
- Department of Surgery, Christopher S. Bond Life Sciences Center, University of Missouri School of Medicine, University of Missouri, Columbia, MO, 65211-7310, USA
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9
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Fichman Y, Xiong H, Sengupta S, Morrow J, Loog H, Azad RK, Hibberd JM, Liscum E, Mittler R. Phytochrome B regulates reactive oxygen signaling during abiotic and biotic stress in plants. New Phytol 2023. [PMID: 36401805 DOI: 10.1101/2021.11.29.470478] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Reactive oxygen species (ROS) and the photoreceptor protein phytochrome B (phyB) play a key role in plant acclimation to stress. However, how phyB that primarily functions in the nuclei impacts ROS signaling mediated by respiratory burst oxidase homolog (RBOH) proteins that reside on the plasma membrane, during stress, is unknown. Arabidopsis thaliana and Oryza sativa mutants, RNA-Seq, bioinformatics, biochemistry, molecular biology, and whole-plant ROS imaging were used to address this question. Here, we reveal that phyB and RBOHs function as part of a key regulatory module that controls apoplastic ROS production, stress-response transcript expression, and plant acclimation in response to excess light stress. We further show that phyB can regulate ROS production during stress even if it is restricted to the cytosol and that phyB, respiratory burst oxidase protein D (RBOHD), and respiratory burst oxidase protein F (RBOHF) coregulate thousands of transcripts in response to light stress. Surprisingly, we found that phyB is also required for ROS accumulation in response to heat, wounding, cold, and bacterial infection. Our findings reveal that phyB plays a canonical role in plant responses to biotic and abiotic stresses, regulating apoplastic ROS production, possibly while at the cytosol, and that phyB and RBOHD/RBOHF function in the same regulatory pathway.
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Affiliation(s)
- Yosef Fichman
- Division of Plant Sciences & Technology, College of Agricultural, Food and Natural Resources, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211-7310, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, 65211-7310, USA
| | - Haiyan Xiong
- Department of Plant Sciences, University of Cambridge, Cambridge, CB2 3EA, UK
| | - Soham Sengupta
- Department of Biological Sciences, College of Science, University of North Texas, Denton, TX, 76203-5017, USA
| | - Johanna Morrow
- Division of Biological Sciences, College of Arts & Sciences, University of Missouri, Columbia, MO, 65211-7400, USA
- Department of Biology and Environmental Sciences, Westminster College, 501 Westminster Ave, Fulton, MO, 65251, USA
| | - Hailey Loog
- Division of Plant Sciences & Technology, College of Agricultural, Food and Natural Resources, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211-7310, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, 65211-7310, USA
| | - Rajeev K Azad
- Department of Biological Sciences, College of Science, University of North Texas, Denton, TX, 76203-5017, USA
- Department of Mathematics, College of Science, University of North Texas, Denton, TX, 76203-5017, USA
| | - Julian M Hibberd
- Department of Plant Sciences, University of Cambridge, Cambridge, CB2 3EA, UK
| | - Emmanuel Liscum
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, 65211-7310, USA
- Division of Biological Sciences, College of Arts & Sciences, University of Missouri, Columbia, MO, 65211-7400, USA
| | - Ron Mittler
- Division of Plant Sciences & Technology, College of Agricultural, Food and Natural Resources, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211-7310, USA
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, 65211-7310, USA
- Department of Surgery, Christopher S. Bond Life Sciences Center, University of Missouri School of Medicine, University of Missouri, Columbia, MO, 65211-7310, USA
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10
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Hayne D, Stockler M, Martin A, Mccombie S, Zebic D, Krieger L, Anderson P, Bastick P, Beardsley E, Blatt A, Frydenberg M, Green W, Grummet J, Hawks C, Ischia J, Mitterdorfer A, Patel M, Roberts M, Sengupta S, Srivastav R, Winter M, Redfern A, Davis I. Adding Mitomycin to BCG as adjuvant intravesical therapy for high-risk, non-muscle-invasive -bladder cancer: A randomised phase 3 trial: The BCG+MM Study (ANZUP1301). Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)00567-5] [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: 02/12/2023]
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11
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Sengupta S, Azad RK. Leveraging comparative genomics to uncover alien genes in bacterial genomes. Microb Genom 2023; 9:mgen000939. [PMID: 36748570 PMCID: PMC9973850 DOI: 10.1099/mgen.0.000939] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
A significant challenge in bacterial genomics is to catalogue genes acquired through the evolutionary process of horizontal gene transfer (HGT). Both comparative genomics and sequence composition-based methods have often been invoked to quantify horizontally acquired genes in bacterial genomes. Comparative genomics methods rely on completely sequenced genomes and therefore the confidence in their predictions increases as the databases become more enriched in completely sequenced genomes. Recent developments including in microbial genome sequencing call for reassessment of alien genes based on information-rich resources currently available. We revisited the comparative genomics approach and developed a new algorithm for alien gene detection. Our algorithm compared favourably with the existing comparative genomics-based methods and is capable of detecting both recent and ancient transfers. It can be used as a standalone tool or in concert with other complementary algorithms for comprehensively cataloguing alien genes in bacterial genomes.
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Affiliation(s)
- Soham Sengupta
- Department of Biological Sciences and BioDiscovery Institute, University of North Texas, Denton, Texas, 76203, USA
| | - Rajeev K Azad
- Department of Biological Sciences and BioDiscovery Institute, University of North Texas, Denton, Texas, 76203, USA.,Department of Mathematics, University of North Texas, Denton, Texas, 76203, USA
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12
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Abstract
Horizontal gene transfer (HGT) is a major source of phenotypic innovation and a mechanism of niche adaptation in prokaryotes. Quantification of HGT is critical to decipher its myriad roles in microbial evolution and adaptation. Advances in genome sequencing and bioinformatics have augmented our ability to understand the microbial world, particularly the direct or indirect influence of HGT on diverse life forms. Methods for detecting HGT can be classified into phylogenetic-based and parametric or composition-based approaches. Here, we exploited the complementary strengths of both the approaches to construct a high confidence horizontal gene flow network. Our network is unique in its ability to detect the transfer of native genes of a genome to genomes from other taxa, thus establishing donor and recipient organisms (taxa), rather than through a post hoc analysis as is the practice with several other approaches. The scale-free horizontal gene flow network presented here provides new insights into modes of transfer for the exchange of genetic information and also illuminates differential gene flow across phyla.
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Affiliation(s)
- Soham Sengupta
- Department of Biological Sciences and BioDiscovery Institute, University of North Texas, Denton, TX 76203, USA
| | - Rajeev K. Azad
- Department of Biological Sciences and BioDiscovery Institute, University of North Texas, Denton, TX 76203, USA,Department of Mathematics, University of North Texas, Denton, TX 76203, USA
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13
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Abstract
Horizontal gene transfer (HGT) is a major source of phenotypic innovation and a mechanism of niche adaptation in prokaryotes. Quantification of HGT is critical to decipher its myriad roles in microbial evolution and adaptation. Advances in genome sequencing and bioinformatics have augmented our ability to understand the microbial world, particularly the direct or indirect influence of HGT on diverse life forms. Methods for detecting HGT can be classified into phylogenetic-based and parametric or composition-based approaches. Here, we exploited the complementary strengths of both the approaches to construct a high confidence horizontal gene flow network. Our network is unique in its ability to detect the transfer of native genes of a genome to genomes from other taxa, thus establishing donor and recipient organisms (taxa), rather than through a post hoc analysis as is the practice with several other approaches. The scale-free horizontal gene flow network presented here provides new insights into modes of transfer for the exchange of genetic information and also illuminates differential gene flow across phyla.
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Affiliation(s)
- Soham Sengupta
- Department of Biological Sciences and BioDiscovery Institute, University of North Texas, Denton, TX 76203, USA
| | - Rajeev K Azad
- Department of Biological Sciences and BioDiscovery Institute, University of North Texas, Denton, TX 76203, USA.,Department of Mathematics, University of North Texas, Denton, TX 76203, USA
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14
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Sengupta S, Bose S. 396 A Rare Encounter of “Forgotten Disease”. Br J Surg 2022. [DOI: 10.1093/bjs/znac269.130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Abstract
With the advent and prompt use of antibiotics after throat infections, the rare entity of Necrobacillosis has almost disappeared in clinical practice. Here we present a case of a fit and well 27-year-old lady who was brought into A&E with septic shock, DIC and MODS after initial diagnosis of a sore throat 4 days ago which was treated by oral antibiotics. She was found to have bilateral patchy consolidations which later became necrotic cavities, empyema thoracis, peritonitis and abscess cavities in abdomen with evolving splenic abscess, prolonged QT and ectopics and type 2 respiratory failure. She was resuscitated, intubated, and transferred to the ICU. With an isolate of Fusobacterium necrophorum from blood culture Meropenem, clindamycin and metronidazole were started. However, over the next few days of treatment, lack of clinical response prompted antibiotics changing, and surgical drainage of abscesses in chest and abdomen. Eventually after a considerable period of abdominal abscess drainage and about 3 weeks of metronidazole and other antibiotics followed by Piperacillin and tazobactam for another 3 weeks the patient recovered from sepsis and was stepped down to ward. This case though rare is a good example of the benefits of surgical drainage and prolonged antibiotics for septic patients with collections. A rapid weaning only results in re-collection and clinical deterioration, or recurrent collection as happened to this patient. This is a rare case of Lemierre's syndrome which depicts the surgical difficulties faced due to recurrent abscess cavities formed in this condition.
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Affiliation(s)
- S Sengupta
- Frimley Park Hospital , Camberley , United Kingdom
| | - S Bose
- Salford Royal NHS Foundation Trust , Manchester , United Kingdom
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15
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Shukla V, Gera B, Ganju S, Varma S, Maheshwari N, Guchhait P, Sengupta S. Application of CFD model for Passive Autocatalytic Recombiners to formulate an empirical correlation for integratral containment analysis. Nuclear Engineering and Technology 2022. [DOI: 10.1016/j.net.2022.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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16
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Sengupta S, Handoo A, Mehta S, Kaushik M. T105 POCT in critical care: An accuracy check! Clin Chim Acta 2022. [DOI: 10.1016/j.cca.2022.04.573] [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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17
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Sørli JB, Sengupta S, Jensen ACØ, Nikiforov V, Clausen PA, Hougaard KS, Højriis S, Frederiksen M, Hadrup N. Risk assessment of consumer spray products using in vitro lung surfactant function inhibition, exposure modelling and chemical analysis. Food Chem Toxicol 2022; 164:112999. [PMID: 35427705 DOI: 10.1016/j.fct.2022.112999] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 03/14/2022] [Accepted: 04/05/2022] [Indexed: 11/26/2022]
Abstract
Consumer spray products release aerosols that can potentially be inhaled and reach the deep parts of the lungs. A thin layer of liquid, containing a mixture of proteins and lipids known as lung surfactant, coats the alveoli. Inhibition of lung surfactant function can lead to acute loss of lung function. We focused on two groups of spray products; 8 cleaning and 13 impregnation products, and in the context of risk assessment, used an in vitro method for assessing inhibition of lung surfactant function. Original spray-cans were used to generate aerosols to measure aerodynamic particle size distribution. We recreated a real-life exposure scenario to estimate the alveolar deposited dose. Most impregnation products inhibited lung surfactant function at the lowest aerosolization rate, whereas only two cleaning products inhibited function at the highest rates. We used inhibitory dose and estimated alveolar deposition to calculate the margin of safety (MoS). The MoS for the inhibitory products was ≤1 for the impregnation products, while much larger for the cleaning products (>880). This risk assessment focused on the risk of lung surfactant function disruption and provides knowledge on an endpoint of lung toxicity that is not investigated by the currently available OECD test guidelines.
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Affiliation(s)
- J B Sørli
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark.
| | - S Sengupta
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark.
| | - A C Ø Jensen
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark.
| | - V Nikiforov
- Norwegian Institute for Air Research (NILU), Tromsø, Norway.
| | - P A Clausen
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark.
| | - K S Hougaard
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark; Department of Public Health, University of Copenhagen, Copenhagen, Denmark.
| | - Sara Højriis
- COWI, Parallelvej 2, Kgs, Lyngby, Denmark; DHI A/S, Agern Allé 5, Hørsholm, Denmark.
| | - M Frederiksen
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark.
| | - N Hadrup
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark.
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18
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Burks DJ, Sengupta S, De R, Mittler R, Azad RK. The Arabidopsis gene co-expression network. Plant Direct 2022; 6:e396. [PMID: 35492683 PMCID: PMC9039629 DOI: 10.1002/pld3.396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 02/05/2022] [Accepted: 02/08/2022] [Indexed: 06/14/2023]
Abstract
Identifying genes that interact to confer a biological function to an organism is one of the main goals of functional genomics. High-throughput technologies for assessment and quantification of genome-wide gene expression patterns have enabled systems-level analyses to infer pathways or networks of genes involved in different functions under many different conditions. Here, we leveraged the publicly available, information-rich RNA-Seq datasets of the model plant Arabidopsis thaliana to construct a gene co-expression network, which was partitioned into clusters or modules that harbor genes correlated by expression. Gene ontology and pathway enrichment analyses were performed to assess functional terms and pathways that were enriched within the different gene modules. By interrogating the co-expression network for genes in different modules that associate with a gene of interest, diverse functional roles of the gene can be deciphered. By mapping genes differentially expressing under a certain condition in Arabidopsis onto the co-expression network, we demonstrate the ability of the network to uncover novel genes that are likely transcriptionally active but prone to be missed by standard statistical approaches due to their falling outside of the confidence zone of detection. To our knowledge, this is the first A. thaliana co-expression network constructed using the entire mRNA-Seq datasets (>20,000) available at the NCBI SRA database. The developed network can serve as a useful resource for the Arabidopsis research community to interrogate specific genes of interest within the network, retrieve the respective interactomes, decipher gene modules that are transcriptionally altered under certain condition or stage, and gain understanding of gene functions.
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Affiliation(s)
- David J. Burks
- Department of Biological Sciences and BioDiscovery Institute, College of ScienceUniversity of North TexasDentonTexasUSA
| | - Soham Sengupta
- Department of Biological Sciences and BioDiscovery Institute, College of ScienceUniversity of North TexasDentonTexasUSA
| | - Ronika De
- Department of Biological Sciences and BioDiscovery Institute, College of ScienceUniversity of North TexasDentonTexasUSA
| | - Ron Mittler
- The Division of Plant Sciences and Interdisciplinary Plant Group, College of Agriculture, Food and Natural ResourcesChristopher S. Bond Life Sciences Center University of MissouriColumbiaMissouriUSA
- Department of SurgeryUniversity of Missouri School of MedicineColumbiaMissouriUSA
| | - Rajeev K. Azad
- Department of Biological Sciences and BioDiscovery Institute, College of ScienceUniversity of North TexasDentonTexasUSA
- Department of MathematicsUniversity of North TexasDentonTexasUSA
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19
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O'Brien J, Manning T, Kelly B, Chen K, Merrilees D, Joseph J, Sengupta S, Goad J, Bolton D, Lawrenstchuk N. Sealing the leak: A 10-year multicentre experience managing refractory post retroperitoneal lymph node dissection chylous ascites. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)00647-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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20
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Sengupta S, Azad RK. A Protocol for Phylogenetic Reconstruction. Methods Mol Biol 2022; 2396:35-46. [PMID: 34786674 DOI: 10.1007/978-1-0716-1822-6_4] [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] [Indexed: 06/13/2023]
Abstract
The similarity of biological functions and molecular mechanisms in living organisms suggests their common origin. The inference of evolutionary relationships among the extant organisms is primarily based on structural, functional, and sequence data of biomolecules, such as DNA, RNA, and protein, and their relative changes over the course of time. To decipher evolutionary relationships, a variety of data can be used. The exponential growth of genomic data, spurred by advances in DNA sequencing, has enabled biologists to reconstruct the tree or network of life for a vast number of organisms dwelling in the earth. In addition of organismal relationships, phylogenetic analysis is often performed to characterize gene families, specifically to identify the orthologs and paralogs of a gene of interest and understand their varied functions in light of evolution. In this chapter, we describe a protocol for reconstructing a phylogenetic tree using maximum-likelihood approach. We demonstrate using an example dataset and a suite of publicly available programs.
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Affiliation(s)
- Soham Sengupta
- Department of Biological Sciences and BioDiscovery Institute, University of North Texas, Denton, TX, USA
| | - Rajeev K Azad
- Department of Biological Sciences and BioDiscovery Institute, University of North Texas, Denton, TX, USA.
- Department of Mathematics, University of North Texas, Denton, TX, USA.
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21
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Sarkar B, Munshi A, Shahid T, Sengupta S, Bhaskar R, Ganesh T, Paul A, Bhattacharjee B, Pun R, Imbulgoda N, Biswal S, Rastogi K, Bansal K, Baba A, Yasmin T, Bhattacharya J, Ghosh T, De A, Chatterjee P, Pradhan A. Growth Characteristics of Woman Radiation Oncologists in South Asia: Assessment of Gender Neutrality and Leadership Position. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.1027] [Citation(s) in RCA: 1] [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: 11/28/2022]
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22
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Sengupta S, Prendergast B, Furnaz S, Ronderos R, Almaghraby A, Asch FM, Blechova K, Zaky H, Dworakowski R, Izumi C, Lancellotti P, Habib G. Socio-economic variations in the clinical presentation, etiology and outcome of infective endocarditis in the ESC-EORP EURO-ENDO (European Infective Endocarditis) registry: a prospective cohort study. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.1710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Infective endocarditis (IE) is a life threatening disease associated with high mortality and morbidity worldwide. We sought to determine how socio-economic factors may influence variations in epidemiology, clinical presentation, investigation and management (and their consequence upon clinical outcomes) in a large international multi-centre registry.
Methods
The ESC-EORPEURO-ENDO registry comprises a prospective cohort of 3116 adult patients admitted to 156 hospitals in 40 countries with IE between January 2016 and March 2018. We analysed the complete dataset to assess potentially important determinants of variation according to World Bank economic stratification (high income (Group 1) [73.8%]; upper-middle income (Group 2) [17.1%]; lower-middle income (Group 3)[9.1%]).
Results
Patients in Group 3 were younger (median age [IQR]: Group 1 - 66 [54–75] years; Group 2 - 57 [40–68] years; Group 3 - 33 [26–43] years; p<0.001) with a higher prevalence of smoking, intravenous drug use and human immunodeficiency virus (HIV) infection (all p<0.001). Group 3 patients with IE presented later (median [IQR) days since symptom onset: Group 1 - 12 [3–35]; Group 2 - 20 [6–51]; Group 3 - 31 [12–62]; p<0.001) and were more likely to develop congestive heart failure (13.6%; 11.3%; and 22.6%, respectively; p<0.001), septic shock (8.3%; 11.1%; 13.4%; p=0.007), and persistent fever for greater than 7 days (9.6%; 14.4%; 27.9%; p<0.001) following hospital admission. Surgery was performed less frequently in Group 3 (75.4%, 76.8% and 51.3% in Groups 1, 2 and 3, respectively; p<0.001) and mortality was highest in the poorest countries (14.6%; 23.6% and 23.7%, respectively; p<0.001).
Conclusion
Socio-economic factors influence the clinical profile of patients presenting with IE across the world. Despite being younger, patients from the poorest countries presented with more frequent complications and higher mortality associated with delayed diagnosis and less frequent use of surgery.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- S Sengupta
- Sengupta Hospital and Research Institute, Nagpur, India
| | | | - S Furnaz
- National Institute of Cardiovascular Diseases, Karachi, Pakistan
| | - R Ronderos
- Institute of Cardiological Research UBA-CONICET, Buenos Aires, Argentina
| | - A Almaghraby
- Alexandria University hospital, Alexandria, Egypt
| | - F M Asch
- Medstar Research Institute, Washington, DC, United States of America
| | | | - H Zaky
- Dubai Hospital and Rashid Hospital, Dubai, United Arab Emirates
| | | | - C Izumi
- National Cerebral & Cardiovascular Center, Suita, Japan
| | | | - G Habib
- Hospital La Timone of Marseille, Marseille, France
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23
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Sengupta S, Mohan J, MacGowan G, Jakovljevic D. Peak atrial longitudinal strain predicts exercise tolerance in heart failure with preserved ejection fraction. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Purpose
The present study i) determined left atrial (LA) and left ventricular (LV) strains at rest and in response to exercise in patients with heart failure with preserved ejection fraction (HFpEF) and heart failure with reduced ejection fraction (HFrEF), and ii) assessed the relationship between LA and LV strains and exercise tolerance.
Methods
Forty HFpEF patients (age 59±7 yrs; 25 females), 40 stable HFrEF patients (age 57+6 yrs, 15 females) and 20 controls (age 56+6 yrs, 13 females) underwent baseline clinical and biochemical assessment, resting and exercise stress transthoracic echocardiography using modified Bruce protocol. Speckle-tracking echocardiography was performed to define peak atrial longitudinal strain (PALS) and left ventricular global longitudinal strain (LVGLS). LA stiffness index and LV stiffness index were also derived.
Results
Compared to healthy controls, HFpEF and HFrEF showed significantly lower PALS at rest (34.03±1.85 vs. 23.06±4.69 vs. 11.51±1.44%, p<0.01) and after exercise (34.41±1.24 vs. 18.48±3.51 vs 10.47±1.49, p<0.01 for both). In response to exercise, the PALS significantly reduced in HFpEF by 26%, but only 8% in HFrEF and remained unchanged in controls. LA stiffness index was higher in HFpEF and HFrEF compared to healthy controls at rest (0.57±0.22 vs. 1.19±0.63 vs. 0.27±0.06, p<0.01) and in response to exercise (0.83±0.46 vs. 1.37±0.63 vs. 0.33±0.04, p<0.01). Compared to healthy controls, HFpEF and HFrEF demonstrated significantly lower LVGLS at rest (−20.27±0.98 vs. −15.89±2.72 vs.-11.14±3.40%, p<0.01) and after exercise (−19.9±0.8 vs.-15.5±3.18 vs.-11.01±2.6%, p<0.01). LV stiffness index was significantly higher in HFpEF and HFrEF compared to healthy controls at rest (0.16±0.05 vs. 0.14±0.07 vs. 0.11±0.02, p<0.01) and in response to exercise (0.18±0.07 vs. 0.15±0.06 vs. 0.13±0.02, p<0.01). Exercise tolerance i.e. exercise duration was significantly lower by 28% and 30% in HFpEF and HFrEF compared with controls (363±152 vs. 352±91 vs. 505±42, p<0.01). There was a significant relationship between peak atrial longitudinal strain and exercise tolerance in HFpEF (r=0.32, p=0.04).There was no significant relationship between exercise tolerance and LVGLS (r=0.058, p=0.72), LA stiffness (r=−0.17, p=0.3), LV stiffness (r=0.88, p=.59). There was no significant relationship between exercise tolerance and PALS (r=0.021, p=0.89) or LVGLS (r=0.12, p=0.48) in HFrEF.
Conclusion
HFpEF and HFrEF are associated with reduced left atrial and left ventricular strains and increased arial and ventricular stiffness.Peak atrial longitudinal strain is a significant determinant of exercise tolerance in HFpEF but not in HFrEF.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- S Sengupta
- Sengupta Hospital and Research Institute, Nagpur, India
| | - J.C Mohan
- Jaipur Golden Hospital, New Delhi, India
| | - G.A MacGowan
- The Newcastle Upon Tyne Hospitals NHS Foundation Trust, Translational, Clinical & Biosciences Research Institutes, Faculty of Medical Sciences, Newcastle Upon Tyne, United Kingdom
| | - D.J Jakovljevic
- The Newcastle Upon Tyne Hospitals NHS Foundation Trust, Translational, Clinical & Biosciences Research Institutes, Faculty of Medical Sciences, Newcastle Upon Tyne, United Kingdom
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Phadnis S, Sengupta S, Chakraborty A. Work From Home, Mental Health and Employee Needs: A pilot study in selected information technology organizations in India. APJHM 2021. [DOI: 10.24083/apjhm.v16i3.977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Introduction: The Coronavirus (COVID-19) pandemic has impacted the economy and has resulted in changes to the working arrangements of employees who are based at home and may continue to work from home (WFH). Organizations are expected to develop an inclusive policy for their employees to promote mental health whilst working from home. The aim of this study was to document the impact of WFH on mental health and determine the expectations of employees from their organizations regarding occupational health policy.
Methodology: A cross-sectional study was conducted on the impact of work from home on mental health and to document the mental health support needs of employees. Google form was floated through social media platform to receive the responses. A total of 74 responses were received. Descriptive analysis was conducted using Microsoft Excel, while qualitative answers were manually analysed.
Results: About 67% employees (n=45) mentioned that their workload has increased significantly during work from home. Thirty five percent (n=26) felt lonely and lost and 47% (n= 34) felt disconnected from the real world, indicating the mental health impact of work from home. Fifty three percent employees (n=40) mentioned that there were no efforts made by their organization to reduce the mental health impact of work from home.
Conclusion: The results of this study indicate that there is an urgent need to create a comprehensive occupational health and safety policy inclusive of strategies to improve mental health by the organizations in light of “work from home” as a “new-normal”.
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Sarkar B, Shahid T, Indira G, Biswal S, Sengupta S, Biswas L, Goswami S, Pusarla C, de A, Ghosh T, Mukherjee M, Samanta A, Raj R, Bhattacharya J. PO-1123 Post mastectomy RT planning on institutional, RTOG & ESTRO contouring guidelines comparison. Radiother Oncol 2021. [DOI: 10.1016/s0167-8140(21)07574-5] [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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Cohen I, Zandalinas SI, Fritschi FB, Sengupta S, Fichman Y, Azad RK, Mittler R. The impact of water deficit and heat stress combination on the molecular response, physiology, and seed production of soybean. Physiol Plant 2021; 171:66-76. [PMID: 32880977 DOI: 10.1111/ppl.13203] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 08/26/2020] [Accepted: 09/01/2020] [Indexed: 05/18/2023]
Abstract
A combination of drought and heat stress, occurring at the vegetative or reproductive growth phase of many different crops can have a devastating impact on yield. In soybean (Glycine max), a considerable effort has been made to develop genotypes with enhanced yield production under conditions of drought or heat stress. However, how these genotypes perform in terms of growth, physiological responses, and most importantly seed production, under conditions of drought and heat combination is mostly unknown. Here, we studied the impact of water deficit and heat stress combination on the physiology, seed production, and yield per plant of two soybean genotypes, Magellan and Plant Introduction (PI) 548313, that differ in their reproductive responses to heat stress. Our findings reveal that although PI 548313 produced more seeds than Magellan under conditions of heat stress, under conditions of water deficit, and heat stress combination its seed production decreased. Because the number of flowers and pollen germination of PI 548313 remained high under heat or water deficit and heat combination, the reduced seed production exhibited by PI 548313 under the stress combination could be a result of processes that occur at the stigma, ovaries and/or other parts of the flower following pollen germination.
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Affiliation(s)
- Itay Cohen
- Division of Plant Sciences, College of Agriculture Food and Natural Resources, and Interdisciplinary Plant Group. Christopher S. Bond Life Sciences Center University of Missouri, Columbia, Missouri, USA
| | - Sara I Zandalinas
- Division of Plant Sciences, College of Agriculture Food and Natural Resources, and Interdisciplinary Plant Group. Christopher S. Bond Life Sciences Center University of Missouri, Columbia, Missouri, USA
| | - Felix B Fritschi
- Division of Plant Sciences, College of Agriculture Food and Natural Resources, and Interdisciplinary Plant Group. Christopher S. Bond Life Sciences Center University of Missouri, Columbia, Missouri, USA
| | - Soham Sengupta
- Departments of Biological Sciences, College of Science, University of North Texas, Denton, Texas, USA
| | - Yosef Fichman
- Division of Plant Sciences, College of Agriculture Food and Natural Resources, and Interdisciplinary Plant Group. Christopher S. Bond Life Sciences Center University of Missouri, Columbia, Missouri, USA
| | - Rajeev K Azad
- Departments of Biological Sciences, College of Science, University of North Texas, Denton, Texas, USA
- Departments of Mathematics, University of North Texas, Denton, Texas, USA
| | - Ron Mittler
- Division of Plant Sciences, College of Agriculture Food and Natural Resources, and Interdisciplinary Plant Group. Christopher S. Bond Life Sciences Center University of Missouri, Columbia, Missouri, USA
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Zandalinas SI, Sengupta S, Fritschi FB, Azad RK, Nechushtai R, Mittler R. The impact of multifactorial stress combination on plant growth and survival. New Phytol 2021; 230:1034-1048. [PMID: 33496342 PMCID: PMC8048544 DOI: 10.1111/nph.17232] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 01/17/2021] [Indexed: 05/08/2023]
Abstract
Climate change-driven extreme weather events, combined with increasing temperatures, harsh soil conditions, low water availability and quality, and the introduction of many man-made pollutants, pose a unique challenge to plants. Although our knowledge of the response of plants to each of these individual conditions is vast, we know very little about how a combination of many of these factors, occurring simultaneously, that is multifactorial stress combination, impacts plants. Seedlings of wild-type and different mutants of Arabidopsis thaliana plants were subjected to a multifactorial stress combination of six different stresses, each applied at a low level, and their survival, physiological and molecular responses determined. Our findings reveal that, while each of the different stresses, applied individually, had a negligible effect on plant growth and survival, the accumulated impact of multifactorial stress combination on plants was detrimental. We further show that the response of plants to multifactorial stress combination is unique and that specific pathways and processes play a critical role in the acclimation of plants to multifactorial stress combination. Taken together our findings reveal that further polluting our environment could result in higher complexities of multifactorial stress combinations that in turn could drive a critical decline in plant growth and survival.
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Affiliation(s)
- Sara I. Zandalinas
- Division of Plant SciencesCollege of Agriculture Food and Natural Resources and Interdisciplinary Plant GroupChristopher S. Bond Life Sciences CenterUniversity of Missouri1201 Rollins StColumbiaMO65211USA
| | - Soham Sengupta
- Department of Biological Sciences and BioDiscovery InstituteCollege of ScienceUniversity of North Texas1155 Union Circle #305220DentonTX76203‐5017USA
| | - Felix B. Fritschi
- Division of Plant SciencesCollege of Agriculture Food and Natural Resources and Interdisciplinary Plant GroupChristopher S. Bond Life Sciences CenterUniversity of Missouri1201 Rollins StColumbiaMO65211USA
| | - Rajeev K. Azad
- Department of Biological Sciences and BioDiscovery InstituteCollege of ScienceUniversity of North Texas1155 Union Circle #305220DentonTX76203‐5017USA
- Department of MathematicsUniversity of North TexasDentonTX76203USA
| | - Rachel Nechushtai
- The Alexander Silberman Institute of Life ScienceThe Hebrew University of JerusalemEdmond J. Safra Campus at Givat RamJerusalem91904Israel
| | - Ron Mittler
- Division of Plant SciencesCollege of Agriculture Food and Natural Resources and Interdisciplinary Plant GroupChristopher S. Bond Life Sciences CenterUniversity of Missouri1201 Rollins StColumbiaMO65211USA
- Department of SurgeryUniversity of Missouri School of MedicineChristopher S. Bond Life Sciences Center University of Missouri1201 Rollins StColumbiaMO65211USA
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Cohen I, Zandalinas SI, Fritschi FB, Sengupta S, Fichman Y, Azad RK, Mittler R. The impact of water deficit and heat stress combination on the molecular response, physiology, and seed production of soybean. Physiol Plant 2021; 172:41-52. [PMID: 33179765 DOI: 10.1111/ppl.13269] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 10/30/2020] [Accepted: 11/09/2020] [Indexed: 05/27/2023]
Abstract
A combination of drought and heat stress, occurring at the vegetative or reproductive growth phase of many different crops can have a devastating impact on yield. In soybean (Glycine max), a considerable effort has been made to develop genotypes with enhanced yield production under conditions of drought or heat stress. However, how these genotypes perform in terms of growth, physiological responses, and most importantly seed production, under conditions of drought and heat combination is mostly unknown. Here, we studied the impact of water deficit and heat stress combination on the physiology, seed production, and yield per plant of two soybean genotypes, Magellan and Plant Introduction (PI) 548313, that differ in their reproductive responses to heat stress. Our findings reveal that although PI 548313 produced more seeds than Magellan under conditions of heat stress, under conditions of water deficit, and heat stress combination its seed production decreased. Because the number of flowers and pollen germination of PI 548313 remained high under heat or water deficit and heat combination, the reduced seed production exhibited by PI 548313 under the stress combination could be a result of processes that occur at the stigma, ovaries and/or other parts of the flower following pollen germination.
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Affiliation(s)
- Itay Cohen
- Division of Plant Sciences, College of Agriculture Food and Natural Resources, and Interdisciplinary Plant Group. Christopher S. Bond Life Sciences Center University of Missouri, Columbia, Missouri, USA
| | - Sara I Zandalinas
- Division of Plant Sciences, College of Agriculture Food and Natural Resources, and Interdisciplinary Plant Group. Christopher S. Bond Life Sciences Center University of Missouri, Columbia, Missouri, USA
| | - Felix B Fritschi
- Division of Plant Sciences, College of Agriculture Food and Natural Resources, and Interdisciplinary Plant Group. Christopher S. Bond Life Sciences Center University of Missouri, Columbia, Missouri, USA
| | - Soham Sengupta
- Departments of Biological Sciences, College of Science, University of North Texas, Denton, Texas, USA
| | - Yosef Fichman
- Division of Plant Sciences, College of Agriculture Food and Natural Resources, and Interdisciplinary Plant Group. Christopher S. Bond Life Sciences Center University of Missouri, Columbia, Missouri, USA
| | - Rajeev K Azad
- Departments of Biological Sciences, College of Science, University of North Texas, Denton, Texas, USA
- Departments of Mathematics, University of North Texas, Denton, Texas, USA
| | - Ron Mittler
- Division of Plant Sciences, College of Agriculture Food and Natural Resources, and Interdisciplinary Plant Group. Christopher S. Bond Life Sciences Center University of Missouri, Columbia, Missouri, USA
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Moitra S, Moitra S, Ghosh AK, Sengupta S, Das PK, Das A, Mitra R, Murgia N, Usmani OS. Reference values of impulse oscillometry (IOS) for healthy Indian adults. Int J Tuberc Lung Dis 2021; 24:536-539. [PMID: 32398207 DOI: 10.5588/ijtld.19.0796] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
- Subhabrata Moitra
- ISGlobal, Barcelona, Spain, CIBER Epidemiologia y Salud Publica (CIBERSP), Barcelona, Spain, Universitat Pompeu Fabra, Barcelona, Spain
| | - Saibal Moitra
- Division of Pulmonary Medicine, Charnock Hospital, Kolkata, India, Department of Pneumology, Allergy & Asthma Research Centre, Kolkata, India
| | - A K Ghosh
- Department of Statistics, Presidency University, Kolkata, India
| | - S Sengupta
- Division of Pulmonary Medicine, Charnock Hospital, Kolkata, India
| | - P K Das
- Division of Pulmonary Medicine, Charnock Hospital, Kolkata, India, Department of Pneumology, Allergy & Asthma Research Centre, Kolkata, India
| | - A Das
- Department of Respiratory Medicine, Rabindranath Tagore International Institute of Cardiac Sciences, Kolkata, India
| | - R Mitra
- Department of Pulmonary Medicine, Institute of Post Graduate Medical Education & Research and SSKM Hospital, Kolkata, India
| | - N Murgia
- Department of Medicine, University of Perugia, Perugia, Italy
| | - O S Usmani
- National Heart and Lung Institute, Imperial College London, London, UK, ,
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Mahammedi A, Ramos A, Bargalló N, Gaskill M, Kapur S, Saba L, Carrete H, Sengupta S, Salvador E, Hilario A, Revilla Y, Sanchez M, Perez-Nuñez M, Bachir S, Zhang B, Oleaga L, Sergio J, Koren L, Martin-Medina P, Wang L, Benegas M, Ostos F, Gonzalez-Ortega G, Calleja P, Udstuen G, Williamson B, Khandwala V, Chadalavada S, Woo D, Vagal A. Brain and Lung Imaging Correlation in Patients with COVID-19: Could the Severity of Lung Disease Reflect the Prevalence of Acute Abnormalities on Neuroimaging? A Global Multicenter Observational Study. AJNR Am J Neuroradiol 2021; 42:1008-1016. [PMID: 33707278 DOI: 10.3174/ajnr.a7072] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 01/04/2021] [Indexed: 12/21/2022]
Abstract
PURPOSE Our aim was to study the association between abnormal findings on chest and brain imaging in patients with coronavirus disease 2019 (COVID-19) and neurologic symptoms. MATERIALS AND METHODS In this retrospective, international multicenter study, we reviewed the electronic medical records and imaging of hospitalized patients with COVID-19 from March 3, 2020, to June 25, 2020. Our inclusion criteria were patients diagnosed with Severe Acute Respiratory Syndrome coronavirus 2 (SARS-CoV-2) infection with acute neurologic manifestations and available chest CT and brain imaging. The 5 lobes of the lungs were individually scored on a scale of 0-5 (0 corresponded to no involvement and 5 corresponded to >75% involvement). A CT lung severity score was determined as the sum of lung involvement, ranging from 0 (no involvement) to 25 (maximum involvement). RESULTS A total of 135 patients met the inclusion criteria with 132 brain CT, 36 brain MR imaging, 7 MRA of the head and neck, and 135 chest CT studies. Compared with 86 (64%) patients without acute abnormal findings on neuroimaging, 49 (36%) patients with these findings had a significantly higher mean CT lung severity score (9.9 versus 5.8, P < .001). These patients were more likely to present with ischemic stroke (40 [82%] versus 11 [13%], P < .0001) and were more likely to have either ground-glass opacities or consolidation (46 [94%] versus 73 [84%], P = .01) in the lungs. A threshold of the CT lung severity score of >8 was found to be 74% sensitive and 65% specific for acute abnormal findings on neuroimaging. The neuroimaging hallmarks of these patients were acute ischemic infarct (28%), intracranial hemorrhage (10%) including microhemorrhages (19%), and leukoencephalopathy with and/or without restricted diffusion (11%). The predominant CT chest findings were peripheral ground-glass opacities with or without consolidation. CONCLUSIONS The CT lung disease severity score may be predictive of acute abnormalities on neuroimaging in patients with COVID-19 with neurologic manifestations. This can be used as a predictive tool in patient management to improve clinical outcome.
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Affiliation(s)
- A Mahammedi
- From the Departments of Neuroradiology, (A.M., A.V., M.G., L.W., G.U., B.W., V.K.), University of Cincinnati Medical Center, Cincinnati, Ohio
| | - A Ramos
- Departments of Neuroradiology (A.R., E.S., A.H., L.K., P.M.-M.), Hospital Universitario 12 de Octubre, Madrid, Spain
| | - N Bargalló
- Neurology (S.S., D.W.), University of Cincinnati Medical Center, Cincinnati, Ohio
| | - M Gaskill
- Departments of Neuroradiology (L.O., N.B.), Hospital Clínic de Barcelona, Sunyer Biomedical Research Institute, Barcelona, Spain
| | - S Kapur
- Cardiopulmonary Imaging, (S.K.), University of Cincinnati Medical Center, Cincinnati, Ohio
| | - L Saba
- Department of Neuroradiology (L.S.), Azienda Ospedaliero Universitaria di Cagliari, Monserrato (Cagliari), Italy
| | - H Carrete
- Department of Neuroradiology (H.C.), Escola Paulista de Medicina, Federal University of São Paulo, São Paulo, Brazil
| | - S Sengupta
- Neurology (S.S., D.W.), University of Cincinnati Medical Center, Cincinnati, Ohio
| | - E Salvador
- Departments of Neuroradiology (A.R., E.S., A.H., L.K., P.M.-M.), Hospital Universitario 12 de Octubre, Madrid, Spain
| | - A Hilario
- Departments of Neuroradiology (A.R., E.S., A.H., L.K., P.M.-M.), Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Y Revilla
- Cardiopulmonary Imaging (Y.R., M.P.-N.) Hospital Universitario 12 de Octubre, Madrid, Spain
| | - M Sanchez
- Department of Neuroradiology (L.S.), Azienda Ospedaliero Universitaria di Cagliari, Monserrato (Cagliari), Italy
| | - M Perez-Nuñez
- Cardiopulmonary Imaging (Y.R., M.P.-N.) Hospital Universitario 12 de Octubre, Madrid, Spain
| | | | | | - L Oleaga
- Departments of Neuroradiology (L.O., N.B.), Hospital Clínic de Barcelona, Sunyer Biomedical Research Institute, Barcelona, Spain
| | - J Sergio
- Department of Neuroradiology (L.S.), Azienda Ospedaliero Universitaria di Cagliari, Monserrato (Cagliari), Italy
| | - L Koren
- Departments of Neuroradiology (A.R., E.S., A.H., L.K., P.M.-M.), Hospital Universitario 12 de Octubre, Madrid, Spain
| | - P Martin-Medina
- Departments of Neuroradiology (A.R., E.S., A.H., L.K., P.M.-M.), Hospital Universitario 12 de Octubre, Madrid, Spain
| | - L Wang
- From the Departments of Neuroradiology, (A.M., A.V., M.G., L.W., G.U., B.W., V.K.), University of Cincinnati Medical Center, Cincinnati, Ohio
| | - M Benegas
- Department of Neuroradiology (L.S.), Azienda Ospedaliero Universitaria di Cagliari, Monserrato (Cagliari), Italy
| | - F Ostos
- Neurology (F.O., G.G.-O., P.C.), Hospital Universitario 12 de Octubre, Madrid, Spain
| | - G Gonzalez-Ortega
- Neurology (F.O., G.G.-O., P.C.), Hospital Universitario 12 de Octubre, Madrid, Spain
| | - P Calleja
- Neurology (F.O., G.G.-O., P.C.), Hospital Universitario 12 de Octubre, Madrid, Spain
| | - G Udstuen
- From the Departments of Neuroradiology, (A.M., A.V., M.G., L.W., G.U., B.W., V.K.), University of Cincinnati Medical Center, Cincinnati, Ohio
| | - B Williamson
- From the Departments of Neuroradiology, (A.M., A.V., M.G., L.W., G.U., B.W., V.K.), University of Cincinnati Medical Center, Cincinnati, Ohio
| | - V Khandwala
- From the Departments of Neuroradiology, (A.M., A.V., M.G., L.W., G.U., B.W., V.K.), University of Cincinnati Medical Center, Cincinnati, Ohio
| | | | - D Woo
- Neurology (S.S., D.W.), University of Cincinnati Medical Center, Cincinnati, Ohio
| | - A Vagal
- From the Departments of Neuroradiology, (A.M., A.V., M.G., L.W., G.U., B.W., V.K.), University of Cincinnati Medical Center, Cincinnati, Ohio
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Jati S, Sengupta S, Sen M. Wnt5A-Mediated Actin Organization Regulates Host Response to Bacterial Pathogens and Non-Pathogens. Front Immunol 2021; 11:628191. [PMID: 33664738 PMCID: PMC7921742 DOI: 10.3389/fimmu.2020.628191] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [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: 11/11/2020] [Accepted: 12/21/2020] [Indexed: 11/14/2022] Open
Abstract
Wnt5A signaling facilitates the killing of several bacterial pathogens, but not the non-pathogen E. coli DH5α. The basis of such pathogen vs. non-pathogen distinction is unclear. Accordingly, we analyzed the influence of Wnt5A signaling on pathogenic E. coli K1 in relation to non-pathogenic E. coli K12-MG1655 and E. coli DH5α eliminating interspecies variability from our study. Whereas cell internalized E. coli K1 disrupted cytoskeletal actin organization and multiplied during Wnt5A depletion, rWnt5A mediated activation revived cytoskeletal actin assembly facilitating K1 eradication. Cell internalized E. coli K12-MG1655 and E. coli DH5α, which did not perturb actin assembly appreciably, remained unaffected by rWnt5A treatment. Phagosomes prepared separately from Wnt5A conditioned medium treated K1 and K12-MG1655 infected macrophages revealed differences in the relative levels of actin and actin network promoting proteins, upholding that the Wnt5A-Actin axis operates differently for internalized pathogen and non-pathogen. Interestingly, exposure of rWnt5A treated K1 and K12-MG1655/DH5α infected macrophages to actin assembly inhibitors reversed the scenario, blocking killing of K1, yet promoting killing of both K12-MG1655 and DH5α. Taken together, our study illustrates that the state of activation of the Wnt5A/Actin axis in the context of the incumbent bacteria is crucial for directing host response to infection.
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Affiliation(s)
- Suborno Jati
- Division of Cancer Biology and Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Soham Sengupta
- Division of Cancer Biology and Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Malini Sen
- Division of Cancer Biology and Inflammatory Disorder, CSIR-Indian Institute of Chemical Biology, Kolkata, India
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Nandurkar R, Sluka P, Li M, Wardan H, Davis I, Sengupta S. Lytic Effects of Water on Bladder Cancer Cell Lines – Implications for Clinical Use of Water Irrigation to Reduce Recurrence. Urol Oncol 2020. [DOI: 10.1016/j.urolonc.2020.10.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Li M, Toniolo J, Nandurkar R, Papa N, Lawrentschuk N, Davis ID, Sengupta S. Continuous Bladder Irrigation after Transurethral Resection of Non-Muscle Invasive Bladder Cancer for Prevention of Tumour Recurrence – A Systematic Review. Urol Oncol 2020. [DOI: 10.1016/j.urolonc.2020.10.036] [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: 11/25/2022]
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Ho H, Ng M, Guerrieri M, Tan A, Bolton D, Chan Y, Lawrentschuk N, Cham C, McMillan K, Sengupta S, Koufogiannis G, Cokelek M, Spencer S, Liu M, Pham T, Lim Joon D, Foroudi F, Tacey M, Khor R, Ding W, Subramanian B, Chao M. Low Dose Rate Brachytherapy and Long-Term Treatment Outcomes In Patients Less Than 60 Years of Age. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Fichman Y, Zandalinas SI, Sengupta S, Burks D, Myers RJ, Azad RK, Mittler R. MYB30 Orchestrates Systemic Reactive Oxygen Signaling and Plant Acclimation. Plant Physiol 2020; 184:666-675. [PMID: 32699028 PMCID: PMC7536697 DOI: 10.1104/pp.20.00859] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 07/12/2020] [Indexed: 05/20/2023]
Abstract
Systemic acquired acclimation (SAA) is a key biological process essential for plant survival under conditions of abiotic stress. SAA was recently shown to be controlled by a rapid systemic signaling mechanism termed the reactive oxygen species (ROS) wave in Arabidopsis (Arabidopsis thaliana). MYB30 is a key transcriptional regulator mediating many different biological processes. MYB30 was found to act downstream of the ROS wave in systemic tissues of Arabidopsis in response to local high light (HL) stress treatment. However, the function of MYB30 in systemic signaling and SAA is unknown. To determine the relationship among MYB30, the ROS wave, and systemic acclimation in Arabidopsis, the SAA response to HL stress of myb30 mutants and wild-type plants was determined. Although myb30 plants were found to display enhanced rates of ROS wave propagation and their local tissues acclimated to the HL stress, they were deficient in SAA to HL stress. Compared to wild type, the systemic transcriptomic response of myb30 plants was also deficient, lacking in the expression of over 3,500 transcripts. A putative set of 150 core transcripts directly associated with MYB30 function during HL stress was determined. Our study identifies MYB30 as a key regulator that links systemic ROS signaling with systemic transcriptomic responses, SAA, and plant acclimation to HL stress. In addition, it demonstrates that plant acclimation and systemic ROS signaling are interlinked and that the lack of systemic acclimation drives systemic ROS signaling to occur at faster rates, suggesting a feedback mechanism (potentially involving MYB30) between these two processes.
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Affiliation(s)
- Yosef Fichman
- The Division of Plant Sciences and Interdisciplinary Plant Group, College of Agriculture, Food and Natural Resources, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65201
| | - Sara I Zandalinas
- The Division of Plant Sciences and Interdisciplinary Plant Group, College of Agriculture, Food and Natural Resources, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65201
| | - Soham Sengupta
- Department of Biological Sciences, College of Science, University of North Texas, Denton, Texas 76203
| | - David Burks
- Department of Biological Sciences, College of Science, University of North Texas, Denton, Texas 76203
| | - Ronald J Myers
- The Division of Plant Sciences and Interdisciplinary Plant Group, College of Agriculture, Food and Natural Resources, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65201
| | - Rajeev K Azad
- Department of Biological Sciences, College of Science, University of North Texas, Denton, Texas 76203
- Department of Mathematics, University of North Texas, Denton, Texas 76203
| | - Ron Mittler
- The Division of Plant Sciences and Interdisciplinary Plant Group, College of Agriculture, Food and Natural Resources, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65201
- Department of Surgery, University of Missouri School of Medicine, Columbia, Missouri 65201
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Niazi T, Williams S, Davis I, Stockler M, Martin A, Bracken K, Roncolato F, McJannett M, Horvath L, Sengupta S, Hughes S, McDermott R, Catto J, Kelly P, Vapiwala N, Parulekar W, Morgan S, Rendon R, Sweeney C. 694TiP DASL-HiCaP: Darolutamide augments standard therapy for localised very high-risk cancer of the prostate (ANZUP1801). A randomised phase III double-blind, placebo-controlled trial of adding darolutamide to androgen deprivation therapy and definitive or salvage radiation. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.2088] [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] Open
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Li M, Cheung K, Sengupta S. A systematic review and meta-analysis of negative predictive value of multi-parametric MRI as a pre-biopsy triage tool. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)33743-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Jati S, Sengupta S, Sen M. Wnt5A Signaling Mediated Cytoskeletal Actin Modulations Shape the Outcome of Host‐Bacteria Interactions. FASEB J 2020. [DOI: 10.1096/fasebj.2020.34.s1.02078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | | | - Malini Sen
- CSIR-Indian Institute of Chemical Biology
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Rosenthal VD, Bat-Erdene I, Gupta D, Belkebir S, Rajhans P, Zand F, Myatra SN, Afeef M, Tanzi VL, Muralidharan S, Gurskis V, Al-Abdely HM, El-Kholy A, AlKhawaja SAA, Sen S, Mehta Y, Rai V, Hung NV, Sayed AF, Guerrero-Toapanta FM, Elahi N, Morfin-Otero MDR, Somabutr S, De-Carvalho BM, Magdarao MS, Velinova VA, Quesada-Mora AM, Anguseva T, Ikram A, Aguilar-de-Moros D, Duszynska W, Mejia N, Horhat FG, Belskiy V, Mioljevic V, Di-Silvestre G, Furova K, Gamar-Elanbya MO, Gupta U, Abidi K, Raka L, Guo X, Luque-Torres MT, Jayatilleke K, Ben-Jaballah N, Gikas A, Sandoval-Castillo HR, Trotter A, Valderrama-Beltrán SL, Leblebicioglu H, Riera F, López M, Maurizi D, Desse J, Pérez I, Silva G, Chaparro G, Golschmid D, Cabrera R, Montanini A, Bianchi A, Vimercati J, Rodríguez-del-Valle M, Domínguez C, Saul P, Chediack V, Piastrelini M, Cardena L, Ramasco L, Olivieri M, Gallardo P, Juarez P, Brito M, Botta P, Alvarez G, Benchetrit G, Caridi M, Stagnaro J, Bourlot I, García M, Arregui N, Saeed N, Abdul-Aziz S, ALSayegh S, Humood M, Mohamed-Ali K, Swar S, Magray T, Aguiar-Portela T, Sugette-de-Aguiar T, Serpa-Maia F, Fernandes-Alves-de-Lima L, Teixeira-Josino L, Sampaio-Bezerra M, Furtado-Maia R, Romário-Mendes A, Alves-De-Oliveira A, Vasconcelos-Carneiro A, Anjos-Lima JD, Pinto-Coelho K, Maciel-Canuto M, Rocha-Batista M, Moreira T, Rodrigues-Amarilo N, Lima-de-Barros T, Guimarães KA, Batista C, Santos C, de-Lima-Silva F, Santos-Mota E, Karla L, Ferreira-de-Souza M, Luzia N, de-Oliveira S, Takeda C, Azevedo-Ferreira-Lima D, Faheina J, Coelho-Oliveira L, do-Nascimento S, Machado-Silva V, Bento-Ferreira, Olszewski J, Tenorio M, Silva-Lemos A, Ramos-Feijó C, Cardoso D, Correa-Barbosa M, Assunção-Ponte G, Faheina J, da-Silva-Escudero D, Servolo-Medeiros E, Andrade-Oliveira-Reis M, Kostadinov E, Dicheva V, Petrov M, Guo C, Yu H, Liu T, Song G, Wang C, Cañas-Giraldo L, Marin-Tobar D, Trujillo-Ramirez E, Andrea-Rios P, Álvarez-Moreno C, Linares C, González-Rubio P, Ariza-Ayala B, Gamba-Moreno L, Gualtero-Trujill S, Segura-Sarmiento S, Rodriguez-Pena J, Ortega R, Olarte N, Pardo-Lopez Y, Luis Marino Otela-Baicue A, Vargas-Garcia A, Roncancio E, Gomez-Nieto K, Espinosa-Valencia M, Barahona-Guzman N, Avila-Acosta C, Raigoza-Martinez W, Villamil-Gomez W, Chapeta-Parada E, Mindiola-Rochel A, Corchuelo-Martinez A, Martinez A, Lagares-Guzman A, Rodriguez-Ferrer M, Yepes-Gomez D, Muñoz-Gutierrez G, Arguello-Ruiz A, Zuniga-Chavarria M, Maroto-Vargas L, Valverde-Hernández M, Solano-Chinchilla A, Calvo-Hernandez I, Chavarria-Ugalde O, Tolari G, Rojas-Fermin R, Diaz-Rodriguez C, Huascar S, Ortiz M, Bovera M, Alquinga N, Santacruz G, Jara E, Delgado V, Salgado-Yepez E, Valencia F, Pelaez C, Gonzalez-Flores H, Coello-Gordon E, Picoita F, Arboleda M, Garcia M, Velez J, Valle M, Unigarro L, Figueroa V, Marin K, Caballero-Narvaez H, Bayani V, Ahmed S, Alansary A, Hassan A, Abdel-Halim M, El-Fattah M, Abdelaziz-Yousef R, Hala A, Abdelhady K, Ahmed-Fouad H, Mounir-Agha H, Hamza H, Salah Z, Abdel-Aziz D, Ibrahim S, Helal A, AbdelMassih A, Mahmoud AR, Elawady B, El-sherif R, Fattah-Radwan Y, Abdel-Mawla T, Kamal-Elden N, Kartsonaki M, Rivera D, Mandal S, Mukherjee S, Navaneet P, Padmini B, Sorabjee J, Sakle A, Potdar M, Mane D, Sale H, Abdul-Gaffar M, Kazi M, Chabukswar S, Anju M, Gaikwad D, Harshe A, Blessymole S, Nair P, Khanna D, Chacko F, Rajalakshmi A, Mubarak A, Kharbanda M, Kumar S, Mathur P, Saranya S, Abubakar F, Sampat S, Raut V, Biswas S, Kelkar R, Divatia J, Chakravarthy M, Gokul B, Sukanya R, Pushparaj L, Thejasvini A, Rangaswamy S, Saini N, Bhattacharya C, Das S, Sanyal S, Chaudhury B, Rodrigues C, Khanna G, Dwivedy A, Binu S, Shetty S, Eappen J, Valsa T, Sriram A, Todi S, Bhattacharyya M, Bhakta A, Ramachandran B, Krupanandan R, Sahoo P, Mohanty N, Sahu S, Misra S, Ray B, Pattnaik S, Pillai H, Warrier A, Ranganathan L, Mani A, Rajagopal S, Abraham B, Venkatraman R, Ramakrishnan N, Devaprasad D, Siva K, Divekar D, Satish Kavathekar M, Suryawanshi M, Poojary A, Sheeba J, Patil P, Kukreja S, Varma K, Narayanan S, Sohanlal T, Agarwal A, Agarwal M, Nadimpalli G, Bhamare S, Thorat S, Sarda O, Nadimpalli P, Nirkhiwale S, Gehlot G, Bhattacharya S, Pandya N, Raphel A, Zala D, Mishra S, Patel M, Aggarwal D, Jawadwal B, Pawar N, Kardekar S, Manked A, Tamboli A, Manked A, Khety Z, Singhal T, Shah S, Kothari V, Naik R, Narain R, Sengupta S, Karmakar A, Mishra S, Pati B, Kantroo V, Kansal S, Modi N, Chawla R, Chawla A, Roy I, Mukherjee S, Bej M, Mukherjee P, Baidya S, Durell A, Vadi S, Saseedharan S, Anant P, Edwin J, Sen N, Sandhu K, Pandya N, Sharma S, Sengupta S, Palaniswamy V, Sharma P, Selvaraj M, Saurabh L, Agarwal M, Punia D, Soni D, Misra R, Harsvardhan R, Azim A, Kambam C, Garg A, Ekta S, Lakhe M, Sharma C, Singh G, Kaur A, Singhal S, Chhabra K, Ramakrishnan G, Kamboj H, Pillai S, Rani P, Singla D, Sanaei A, Maghsudi B, Sabetian G, Masjedi M, Shafiee E, Nikandish R, Paydar S, Khalili H, Moradi A, Sadeghi P, Bolandparvaz S, Mubarak S, Makhlouf M, Awwad M, Ayyad O, Shaweesh A, Khader M, Alghazawi A, Hussien N, Alruzzieh M, Mohamed Y, ALazhary M, Abdul Aziz O, Alazmi M, Mendoza J, De Vera P, Rillorta A, de Guzman M, Girvan M, Torres M, Alzahrani N, Alfaraj S, Gopal U, Manuel M, Alshehri R, Lessing L, Alzoman H, Abdrahiem J, Adballah H, Thankachan J, Gomaa H, Asad T, AL-Alawi M, Al-Abdullah N, Demaisip N, Laungayan-Cortez E, Cabato A, Gonzales J, Al Raey M, Al-Darani S, Aziz M, Al-Manea B, Samy E, AlDalaton M, Alaliany M, Alabdely H, Helali N, Sindayen G, Malificio A, Al-Dossari H, Kelany A, Algethami A, Mohamed D, Yanne L, Tan A, Babu S, Abduljabbar S, Al-Zaydani M, Ahmed H, Al Jarie A, Al-Qathani A, Al-Alkami H, AlDalaton M, Alih S, Alaliany M, Gasmin-Aromin R, Balon-Ubalde E, Diab H, Kader N, Hassan-Assiry I, Kelany A, Albeladi E, Aboushoushah S, Qushmaq N, Fernandez J, Hussain W, Rajavel R, Bukhari S, Rushdi H, Turkistani A, Mushtaq J, Bohlega E, Simon S, Damlig E, Elsherbini S, Abraham S, Kaid E, Al-Attas A, Hawsawi G, Hussein B, Esam B, Caminade Y, Santos A, Abdulwahab M, Aldossary A, Al-Suliman S, AlTalib A, Albaghly N, HaqlreMia M, Kaid E, Altowerqi R, Ghalilah K, Alradady M, Al-Qatri A, Chaouali M, Shyrine E, Philipose J, Raees M, AbdulKhalik N, Madco M, Acostan C, Safwat R, Halwani M, Abdul-Aal N, Thomas A, Abdulatif S, Ali-Karrar M, Al-Gosn N, Al-Hindi A, Jaha R, AlQahtani S, Ayugat E, Al-Hussain M, Aldossary A, Al-Suliman S, Al-Talib A, Albaghly N, Haqlre-Mia M, Briones S, Krishnan R, Tabassum K, Alharbi L, Madani A, Al-Hindi A, Al-Gethamy M, Alamri D, Spahija G, Gashi A, Kurian A, George S, Mohamed A, Ramapurath R, Varghese S, Abdo N, Foda-Salama M, Al-Mousa H, Omar A, Salama M, Toleb M, Khamis S, Kanj S, Zahreddine N, Kanafani Z, Kardas T, Ahmadieh R, Hammoud Z, Zeid I, Al-Souheil A, Ayash H, Mahfouz T, Kondratas T, Grinkeviciute D, Kevalas R, Dagys A, Mitrev Z, Bogoevska-Miteva Z, Jankovska K, Guroska S, Petrovska M, Popovska K, Ng C, Hoon Y, Hasan YM, Othman-Jailani M, Hadi-Jamaluddin M, Othman A, Zainol H, Wan-Yusoff W, Gan C, Lum L, Ling C, Aziz F, Zhazali R, Abud-Wahab M, Cheng T, Elghuwael I, Wan-Mat W, Abd-Rahman R, Perez-Gomez H, Kasten-Monges M, Esparza-Ahumada S, Rodriguez-Noriega E, Gonzalez-Diaz E, Mayoral-Pardo D, Cerero-Gudino A, Altuzar-Figueroa M, Perez-Cruz J, Escobar-Vazquez M, Aragon D, Coronado-Magana H, Mijangos-Mendez J, Corona-Jimenez F, Aguirre-Avalos G, Lopez-Mateos A, Martinez-Marroquin M, Montell-Garcia M, Martinez-Martinez A, Leon-Sanchez E, Gomez-Flores G, Ramirez M, Gomez M, Lozano M, Mercado V, Zamudio-Lugo I, Gomez-Gonzalez C, Miranda-Novales M, Villegas-Mota I, Reyes-Garcia C, Ramirez-Morales M, Sanchez-Rivas M, Cureno-Diaz M, Matias-Tellez B, Gonzalez-Martinez J, Juarez-Vargas R, Pastor-Salinas O, Gutierrez-Munoz V, Conde-Mercado J, Bruno-Carrasco G, Manrique M, Monroy-Colin V, Cruz-Rivera Z, Rodriguez-Pacheco J, Cruz N, Hernandez-Chena B, Guido-Ramirez O, Arteaga-Troncoso G, Guerra-Infante F, Lopez-Hurtado M, Caleco JD, Leyva-Medellin E, Salamanca-Meneses A, Cosio-Moran C, Ruiz-Rendon R, Aguilar-Angel L, Sanchez-Vargas M, Mares-Morales R, Fernandez-Alvarez L, Castillo-Cruz B, Gonzalez-Ma M, Zavala-Ramír M, Rivera-Reyna L, del-Moral-Rossete L, Lopez-Rubio C, Valadez-de-Alba M, Bat-Erdene A, Chuluunchimeg K, Baatar O, Batkhuu B, Ariyasuren Z, Bayasgalan G, Baigalmaa S, Uyanga T, Suvderdene P, Enkhtsetseg D, Suvd-Erdene D, Chimedtseye E, Bilguun G, Tuvshinbayar M, Dorj M, Khajidmaa T, Batjargal G, Naranpurev M, Bat-Erdene A, Bolormaa T, Battsetseg T, Batsuren C, Batsaikhan N, Tsolmon B, Saranbaatar A, Natsagnyam P, Nyamdawa O, Madani N, Abouqal R, Zeggwagh A, Berechid K, Dendane T, Koirala A, Giri R, Sainju S, Acharya S, Paul N, Parveen A, Raza A, Nizamuddin S, Sultan F, Imran X, Sajjad R, Khan M, Sana F, Tayyab N, Ahmed A, Zaman G, Khan I, Khurram F, Hussain A, Zahra F, Imtiaz A, Daud N, Sarwar M, Roop Z, Yusuf S, Hanif F, Shumaila X, Zeb J, Ali S, Demas S, Ariff S, Riaz A, Hussain A, Kanaan A, Jeetawi R, Castaño E, Moreno-Castillo L, García-Mayorca E, Prudencio-Leon W, Vivas-Pardo A, Changano-Rodriguez M, Castillo-Bravo L, Aibar-Yaranga K, Marquez-Mondalgo V, Mueras-Quevedo J, Meza-Borja C, Flor J, Fernandez-Camacho Y, Banda-Flores C, Pichilingue-Chagray J, Castaneda-Sabogal A, Caoili J, Mariano M, Maglente R, Santos S, de-Guzman G, Mendoza M, Javellana O, Tajanlangit A, Tapang A, Sg-Buenaflor M, Labro E, Carma R, Dy A, Fortin J, Navoa-Ng J, Cesar J, Bonifacio B, Llames M, Gata H, Tamayo A, Calupit H, Catcho V, Bergosa L, Abuy M, Barteczko-Grajek B, Rojek S, Szczesny A, Domanska M, Lipinska G, Jaroslaw J, Wieczoreka A, Szczykutowicza A, Gawor M, Piwoda M, Rydz-Lutrzykowska J, Grudzinska M, Kolat-Brodecka P, Smiechowicz K, Tamowicz B, Mikstacki A, Grams A, Sobczynski P, Nowicka M, Kretov V, Shalapuda V, Molkov A, Puzanov S, Utkin I, Tchekulaev A, Tulupova V, Vasiljevic S, Nikolic L, Ristic G, Eremija J, Kojovic J, Lekic D, Simic A, Hlinkova S, Lesnakova A, Kadankunnel S, Abdo-Ali M, Pimathai R, Wanitanukool S, Supa N, Prasan P, Luxsuwong M, Khuenkaew Y, Lamngamsupha J, Siriyakorn N, Prasanthai V, Apisarnthanarak A, Borgi A, Bouziri A, Cabadak H, Tuncer G, Bulut C, Hatipoglu C, Sebnem F, Demiroz A, Kaya A, Ersoz G, Kuyucu N, Karacorlu S, Oncul O, Gorenek L, Erdem H, Yildizdas D, Horoz O, Guclu E, Kaya G, Karabay O, Altindis M, Oztoprak N, Sahip Y, Uzun C, Erben N, Usluer G, Ozgunes I, Ozcelik M, Ceyda B, Oral M, Unal N, Cigdem Y, Bayar M, Bermede O, Saygili S, Yesiler I, Memikoglu O, Tekin R, Oncul A, Gunduz A, Ozdemir D, Geyik M, Erdogan S, Aygun C, Dilek A, Esen S, Turgut H, Sungurtekin H, Ugurcan D, Yarar V, Bilir Y, Bayram N, Devrim I, Agin H, Ceylan G, Yasar N, Oruc Y, Ramazanoglu A, Turhan O, Cengiz M, Yalcin A, Dursun O, Gunasan P, Kaya S, Senol G, Kocagoz A, Al-Rahma H, Annamma P, El-Houfi A, Vidal H, Perez F, D-Empaire G, Ruiz Y, Hernandez D, Aponte D, Salinas E, Vidal H, Navarrete N, Vargas R, Sanchez E, Ngo Quy C, Thu T, Nguyet L, Hang P, Hang T, Hanh T, Anh D. International Nosocomial Infection Control Consortium (INICC) report, data summary of 45 countries for 2012-2017: Device-associated module. Am J Infect Control 2020; 48:423-432. [PMID: 31676155 DOI: 10.1016/j.ajic.2019.08.023] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 08/20/2019] [Accepted: 08/21/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND We report the results of International Nosocomial Infection Control Consortium (INICC) surveillance study from January 2012 to December 2017 in 523 intensive care units (ICUs) in 45 countries from Latin America, Europe, Eastern Mediterranean, Southeast Asia, and Western Pacific. METHODS During the 6-year study period, prospective data from 532,483 ICU patients hospitalized in 242 hospitals, for an aggregate of 2,197,304 patient days, were collected through the INICC Surveillance Online System (ISOS). The Centers for Disease Control and Prevention-National Healthcare Safety Network (CDC-NHSN) definitions for device-associated health care-associated infection (DA-HAI) were applied. RESULTS Although device use in INICC ICUs was similar to that reported from CDC-NHSN ICUs, DA-HAI rates were higher in the INICC ICUs: in the medical-surgical ICUs, the pooled central line-associated bloodstream infection rate was higher (5.05 vs 0.8 per 1,000 central line-days); the ventilator-associated pneumonia rate was also higher (14.1 vs 0.9 per 1,000 ventilator-days,), as well as the rate of catheter-associated urinary tract infection (5.1 vs 1.7 per 1,000 catheter-days). From blood cultures samples, frequencies of resistance, such as of Pseudomonas aeruginosa to piperacillin-tazobactam (33.0% vs 18.3%), were also higher. CONCLUSIONS Despite a significant trend toward the reduction in INICC ICUs, DA-HAI rates are still much higher compared with CDC-NHSN's ICUs representing the developed world. It is INICC's main goal to provide basic and cost-effective resources, through the INICC Surveillance Online System to tackle the burden of DA-HAIs effectively.
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Jootun N, Sengupta S, Cunningham C, Charlton P, Betts M, Weaver A, Jacobs C, Hompes R, Muirhead R. Neoadjuvant radiotherapy in rectal cancer - less is more? Colorectal Dis 2020; 22:261-268. [PMID: 31556218 DOI: 10.1111/codi.14863] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 09/06/2019] [Indexed: 12/12/2022]
Abstract
AIM There is significant international variation in the use of neoadjuvant radiation prior to total mesorectal excision. The MERCURY group advocate selective neoadjuvant chemoradiotherapy (CRT). We have performed a retrospective, single-centre study of patients treated with CRT, where only the circumferential resection margin is threatened, with the aim of identifying whether a more selective approach to CRT provides acceptable local relapse rates (LRRs). METHOD All consecutive patients who underwent radical surgery for rectal adenocarcinoma over a 5-year period (2007-2012) in the Oxford University Trust were considered. Electronic hospital systems were reviewed to obtain patient and tumour demographics, treatment and follow-up information. All patients were classified into risk categories according to National Institute for Health and Care Excellence guidance. Data were analysed using Microsoft Excel and R. RESULTS Two hundred and seventy-two patients were identified: 123, 89 and 60 in the high-, intermediate- and low-risk categories, respectively. Seventy-nine per cent of those in the high-risk group, 6% in the intermediate and 5% in the low-risk group underwent CRT. The overall 5-year LRR and distant recurrence rate (DRR) were 5.2% and 17.8%, respectively. The 5-year LRR for those who went straight to surgery was 2.0% and for those who had neoadjuvant CRT it was 7.4%. The DRR for these two groups was 8.5% and 18.9%, respectively. CONCLUSION Our series demonstrates that the use of CRT only in margin-threatening tumours, results in an exceptionally low LRR for those without margin-threatening disease. In routine clinical care, this strategy can minimize the significant morbidity of multimodal treatment and allow earlier introduction of systemic therapy to minimize distant recurrence.
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Affiliation(s)
- N Jootun
- Department of Colorectal Surgery, Nuffield Department of Surgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - S Sengupta
- Green Templeton College, University of Oxford, Oxford, UK
| | - C Cunningham
- Department of Colorectal Surgery, Nuffield Department of Surgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - P Charlton
- Department of Oncology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - M Betts
- Department of Radiology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - A Weaver
- Department of Oncology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - C Jacobs
- Department of Oncology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - R Hompes
- Department of Colorectal Surgery, Nuffield Department of Surgery, Oxford University Hospitals NHS Foundation Trust, Oxford, UK.,Department of Surgery, Cancer Centre Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - R Muirhead
- Department of Oncology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
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Zandalinas SI, Song L, Sengupta S, McInturf SA, Grant DG, Marjault HB, Castro-Guerrero NA, Burks D, Azad RK, Mendoza-Cozatl DG, Nechushtai R, Mittler R. Expression of a dominant-negative AtNEET-H89C protein disrupts iron-sulfur metabolism and iron homeostasis in Arabidopsis. Plant J 2020; 101:1152-1169. [PMID: 31642128 DOI: 10.1111/tpj.14581] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [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: 04/12/2019] [Revised: 10/04/2019] [Accepted: 10/16/2019] [Indexed: 05/17/2023]
Abstract
Iron-sulfur (Fe-S) clusters play an essential role in plants as protein cofactors mediating diverse electron transfer reactions. Because they can react with oxygen to form reactive oxygen species (ROS) and inflict cellular damage, the biogenesis of Fe-S clusters is highly regulated. A recently discovered group of 2Fe-2S proteins, termed NEET proteins, was proposed to coordinate Fe-S, Fe and ROS homeostasis in mammalian cells. Here we report that disrupting the function of AtNEET, the sole member of the NEET protein family in Arabidopsis thaliana, triggers leaf-associated Fe-S- and Fe-deficiency responses, elevated Fe content in chloroplasts (1.2-1.5-fold), chlorosis, structural damage to chloroplasts and a high seedling mortality rate. Our findings suggest that disrupting AtNEET function disrupts the transfer of 2Fe-2S clusters from the chloroplastic 2Fe-2S biogenesis pathway to different cytosolic and chloroplastic Fe-S proteins, as well as to the cytosolic Fe-S biogenesis system, and that uncoupling this process triggers leaf-associated Fe-S- and Fe-deficiency responses that result in Fe over-accumulation in chloroplasts and enhanced ROS accumulation. We further show that AtNEET transfers its 2Fe-2S clusters to DRE2, a key protein of the cytosolic Fe-S biogenesis system, and propose that the availability of 2Fe-2S clusters in the chloroplast and cytosol is linked to Fe homeostasis in plants.
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Affiliation(s)
- Sara I Zandalinas
- Division of Plant Sciences, College of Agriculture Food and Natural Resources and Interdisciplinary Plant Group, Christopher S. Bond Life Sciences Center, University of Missouri, 1201 Rollins St, Columbia, MO, 65211, USA
| | - Luhua Song
- Department of Biological Sciences, College of Science, University of North Texas, 1155 Union Circle #305220, Denton, TX, 76203-5017, USA
| | - Soham Sengupta
- Department of Biological Sciences, College of Science, University of North Texas, 1155 Union Circle #305220, Denton, TX, 76203-5017, USA
| | - Samuel A McInturf
- Division of Plant Sciences, College of Agriculture Food and Natural Resources and Interdisciplinary Plant Group, Christopher S. Bond Life Sciences Center, University of Missouri, 1201 Rollins St, Columbia, MO, 65211, USA
| | - DeAna G Grant
- Electron Microscopy Core Facility, University of Missouri, W136 Veterinary Medicine Building 1600 East Rollins Street, Columbia, MO, 65211, USA
| | - Henri-Baptiste Marjault
- The Alexander Silberman Institute of Life Science, The Hebrew University of Jerusalem, Edmond J. Safra Campus at Givat Ram, Jerusalem, 91904, Israel
| | - Norma A Castro-Guerrero
- Division of Plant Sciences, College of Agriculture Food and Natural Resources and Interdisciplinary Plant Group, Christopher S. Bond Life Sciences Center, University of Missouri, 1201 Rollins St, Columbia, MO, 65211, USA
| | - David Burks
- Department of Biological Sciences, College of Science, University of North Texas, 1155 Union Circle #305220, Denton, TX, 76203-5017, USA
| | - Rajeev K Azad
- Department of Biological Sciences, College of Science, University of North Texas, 1155 Union Circle #305220, Denton, TX, 76203-5017, USA
| | - David G Mendoza-Cozatl
- Division of Plant Sciences, College of Agriculture Food and Natural Resources and Interdisciplinary Plant Group, Christopher S. Bond Life Sciences Center, University of Missouri, 1201 Rollins St, Columbia, MO, 65211, USA
| | - Rachel Nechushtai
- The Alexander Silberman Institute of Life Science, The Hebrew University of Jerusalem, Edmond J. Safra Campus at Givat Ram, Jerusalem, 91904, Israel
| | - Ron Mittler
- Division of Plant Sciences, College of Agriculture Food and Natural Resources and Interdisciplinary Plant Group, Christopher S. Bond Life Sciences Center, University of Missouri, 1201 Rollins St, Columbia, MO, 65211, USA
- Department of Surgery, University of Missouri School of Medicine, Christopher S. Bond Life Sciences Center University of Missouri, 1201 Rollins St, Columbia, MO, 65211, USA
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Zandalinas SI, Song L, Sengupta S, McInturf SA, Grant DG, Marjault HB, Castro-Guerrero NA, Burks D, Azad RK, Mendoza-Cozatl DG, Nechushtai R, Mittler R. Expression of a dominant-negative AtNEET-H89C protein disrupts iron-sulfur metabolism and iron homeostasis in Arabidopsis. Plant J 2020; 101:1152-1169. [PMID: 31642128 DOI: 10.1111/tpj14581] [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] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 10/04/2019] [Accepted: 10/16/2019] [Indexed: 05/22/2023]
Abstract
Iron-sulfur (Fe-S) clusters play an essential role in plants as protein cofactors mediating diverse electron transfer reactions. Because they can react with oxygen to form reactive oxygen species (ROS) and inflict cellular damage, the biogenesis of Fe-S clusters is highly regulated. A recently discovered group of 2Fe-2S proteins, termed NEET proteins, was proposed to coordinate Fe-S, Fe and ROS homeostasis in mammalian cells. Here we report that disrupting the function of AtNEET, the sole member of the NEET protein family in Arabidopsis thaliana, triggers leaf-associated Fe-S- and Fe-deficiency responses, elevated Fe content in chloroplasts (1.2-1.5-fold), chlorosis, structural damage to chloroplasts and a high seedling mortality rate. Our findings suggest that disrupting AtNEET function disrupts the transfer of 2Fe-2S clusters from the chloroplastic 2Fe-2S biogenesis pathway to different cytosolic and chloroplastic Fe-S proteins, as well as to the cytosolic Fe-S biogenesis system, and that uncoupling this process triggers leaf-associated Fe-S- and Fe-deficiency responses that result in Fe over-accumulation in chloroplasts and enhanced ROS accumulation. We further show that AtNEET transfers its 2Fe-2S clusters to DRE2, a key protein of the cytosolic Fe-S biogenesis system, and propose that the availability of 2Fe-2S clusters in the chloroplast and cytosol is linked to Fe homeostasis in plants.
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Affiliation(s)
- Sara I Zandalinas
- Division of Plant Sciences, College of Agriculture Food and Natural Resources and Interdisciplinary Plant Group, Christopher S. Bond Life Sciences Center, University of Missouri, 1201 Rollins St, Columbia, MO, 65211, USA
| | - Luhua Song
- Department of Biological Sciences, College of Science, University of North Texas, 1155 Union Circle #305220, Denton, TX, 76203-5017, USA
| | - Soham Sengupta
- Department of Biological Sciences, College of Science, University of North Texas, 1155 Union Circle #305220, Denton, TX, 76203-5017, USA
| | - Samuel A McInturf
- Division of Plant Sciences, College of Agriculture Food and Natural Resources and Interdisciplinary Plant Group, Christopher S. Bond Life Sciences Center, University of Missouri, 1201 Rollins St, Columbia, MO, 65211, USA
| | - DeAna G Grant
- Electron Microscopy Core Facility, University of Missouri, W136 Veterinary Medicine Building 1600 East Rollins Street, Columbia, MO, 65211, USA
| | - Henri-Baptiste Marjault
- The Alexander Silberman Institute of Life Science, The Hebrew University of Jerusalem, Edmond J. Safra Campus at Givat Ram, Jerusalem, 91904, Israel
| | - Norma A Castro-Guerrero
- Division of Plant Sciences, College of Agriculture Food and Natural Resources and Interdisciplinary Plant Group, Christopher S. Bond Life Sciences Center, University of Missouri, 1201 Rollins St, Columbia, MO, 65211, USA
| | - David Burks
- Department of Biological Sciences, College of Science, University of North Texas, 1155 Union Circle #305220, Denton, TX, 76203-5017, USA
| | - Rajeev K Azad
- Department of Biological Sciences, College of Science, University of North Texas, 1155 Union Circle #305220, Denton, TX, 76203-5017, USA
| | - David G Mendoza-Cozatl
- Division of Plant Sciences, College of Agriculture Food and Natural Resources and Interdisciplinary Plant Group, Christopher S. Bond Life Sciences Center, University of Missouri, 1201 Rollins St, Columbia, MO, 65211, USA
| | - Rachel Nechushtai
- The Alexander Silberman Institute of Life Science, The Hebrew University of Jerusalem, Edmond J. Safra Campus at Givat Ram, Jerusalem, 91904, Israel
| | - Ron Mittler
- Division of Plant Sciences, College of Agriculture Food and Natural Resources and Interdisciplinary Plant Group, Christopher S. Bond Life Sciences Center, University of Missouri, 1201 Rollins St, Columbia, MO, 65211, USA
- Department of Surgery, University of Missouri School of Medicine, Christopher S. Bond Life Sciences Center University of Missouri, 1201 Rollins St, Columbia, MO, 65211, USA
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Parihar V, Sopena-Falco J, Leung E, Benz E, Cooney A, Keohane J, Sengupta S. R0 Resection Margin, A New Quality Measure in the Era of National Bowel Screening? Ir Med J 2020; 113:7. [PMID: 32298567] [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] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Aims To determine the completeness of polyp resection (i.e. achieving an R0 margin) and its relation with Endoscopists, histopathologist, size, location and technique of polypectomy in an NSS cohort. The definition of R0 margin is complete macroscopic resection with a negative microscopic margin at polypectomy. Method NCCS (National Colon Cancer Screening) colonoscopies are offered to bowel cancer screening patients after a positive faecal immunochemical test (FIT) test in a Joint Advisory Group (JAG) accredited Gastrointestinal Endoscopy centre. We histologically evaluated the polyp margins for complete resection, which was defined as the absence of adenomatous or hyperplastic tissue in the resected polyp margins in a cohort of faecal immunochemical test positive patients. Results A total of 186 consecutive NCCS colonoscopies out of a total of 542 performed between 2013 and 2017 were included in this study. Of the polyps excised 152(27%) had a R0 margin histologically, and 30(5%) had involvement of the margin. Surprisingly in 373(67%) of polyps pathologists were unable to assess the margin. Conclusion Achieving an R0 margin should be a key performance indicator for endoscopists performing polypectomy. At the same time more studies on polyp margins are recommended.
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Affiliation(s)
- V Parihar
- Department of Gastroenterology, Our Lady of Lourdes Hospital, Drogheda, Co. Louth, Ireland
| | - J Sopena-Falco
- Department of Gastroenterology, Our Lady of Lourdes Hospital, Drogheda, Co. Louth, Ireland
| | - E Leung
- Department of Gastroenterology, Our Lady of Lourdes Hospital, Drogheda, Co. Louth, Ireland
| | - E Benz
- Department of Gastroenterology, Our Lady of Lourdes Hospital, Drogheda, Co. Louth, Ireland
| | - A Cooney
- Department of Gastroenterology, Our Lady of Lourdes Hospital, Drogheda, Co. Louth, Ireland
| | - J Keohane
- Department of Gastroenterology, Our Lady of Lourdes Hospital, Drogheda, Co. Louth, Ireland
| | - S Sengupta
- Department of Gastroenterology, Our Lady of Lourdes Hospital, Drogheda, Co. Louth, Ireland
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44
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Balfagón D, Sengupta S, Gómez-Cadenas A, Fritschi FB, Azad RK, Mittler R, Zandalinas SI. Jasmonic Acid Is Required for Plant Acclimation to a Combination of High Light and Heat Stress. Plant Physiol 2019; 181:1668-1682. [PMID: 31594842 PMCID: PMC6878009 DOI: 10.1104/pp.19.00956] [Citation(s) in RCA: 120] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 09/27/2019] [Indexed: 05/20/2023]
Abstract
In the field, plants experience high light (HL) intensities that are often accompanied by elevated temperatures. Such conditions are a serious threat to agriculture production, because photosynthesis is highly sensitive to both HL intensities and high-temperature stress. One of the potential cellular targets of HL and heat stress (HS) combination is PSII because its degree of photoinhibition depends on the balance between the rate of PSII damage (induced by light stress), and the rate of PSII repair (impaired under HS). Here, we studied the responses of Arabidopsis (Arabidopsis thaliana) plants to a combination of HL and HS (HL+HS) conditions. Combined HL+HS was accompanied by irreversible damage to PSII, decreased D1 (PsbA) protein levels, and an enhanced transcriptional response indicative of PSII repair activation. We further identified several unique aspects of this stress combination that included enhanced accumulation of jasmonic acid (JA) and JA-Ile, elevated expression of over 2,200 different transcripts that are unique to the stress combination (including many that are JA-associated), and distinctive structural changes to chloroplasts. A mutant deficient in JA biosynthesis (allene oxide synthase) displayed enhanced sensitivity to combined HL+HS and further analysis revealed that JA is required for regulating several transcriptional responses unique to the stress combination. Our study reveals that JA plays an important role in the acclimation of plants to a combination of HL+HS.
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Affiliation(s)
- Damián Balfagón
- Departamento de Ciencias Agrarias y del Medio Natural, Universitat Jaume I, Castello de la Plana, 12071 Spain
| | - Soham Sengupta
- Department of Biological Sciences, College of Science, University of North Texas, Denton, Texas 76203
| | - Aurelio Gómez-Cadenas
- Departamento de Ciencias Agrarias y del Medio Natural, Universitat Jaume I, Castello de la Plana, 12071 Spain
| | - Felix B Fritschi
- Bond Life Sciences Center, Interdisciplinary Plant Group, and Division of Plant Sciences, College of Agriculture, Food and Natural Resources, University of Missouri, Columbia, Missouri 65211
| | - Rajeev K Azad
- Department of Biological Sciences, College of Science, University of North Texas, Denton, Texas 76203
| | - Ron Mittler
- Bond Life Sciences Center, Interdisciplinary Plant Group, and Division of Plant Sciences, College of Agriculture, Food and Natural Resources, University of Missouri, Columbia, Missouri 65211
| | - Sara I Zandalinas
- Bond Life Sciences Center, Interdisciplinary Plant Group, and Division of Plant Sciences, College of Agriculture, Food and Natural Resources, University of Missouri, Columbia, Missouri 65211
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45
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Horwich A, Babjuk M, Bellmunt J, Bruins HM, De Reijke TM, De Santis M, Gillessen S, James N, Maclennan S, Palou J, Powles T, Ribal MJ, Shariat SF, Van Der Kwast T, Xylinas E, Agarwal N, Arends T, Bamias A, Birtle A, Black PC, Bochner BH, Bolla M, Boormans JL, Bossi A, Briganti A, Brummelhuis I, Burger M, Castellano D, Cathomas R, Chiti A, Choudhury A, Compérat E, Crabb S, Culine S, De Bari B, DeBlok W, De Visschere PJL, Decaestecker K, Dimitropoulos K, Dominguez-Escrig JL, Fanti S, Fonteyne V, Frydenberg M, Futterer JJ, Gakis G, Geavlete B, Gontero P, Grubmüller B, Hafeez S, Hansel DE, Hartmann A, Hayne D, Henry AM, Hernandez V, Herr H, Herrmann K, Hoskin P, Huguet J, Jereczek-Fossa BA, Jones R, Kamat AM, Khoo V, Kiltie AE, Krege S, Ladoire S, Lara PC, Leliveld A, Linares-Espinós E, Løgager V, Lorch A, Loriot Y, Meijer R, Carmen Mir M, Moschini M, Mostafid H, Müller AC, Müller CR, N'Dow J, Necchi A, Neuzillet Y, Oddens JR, Oldenburg J, Osanto S, Oyen WJG, Pacheco-Figueiredo L, Pappot H, Patel MI, Pieters BR, Plass K, Remzi M, Retz M, Richenberg J, Rink M, Roghmann F, Rosenberg JE, Rouprêt M, Rouvière O, Salembier C, Salminen A, Sargos P, Sengupta S, Sherif A, Smeenk RJ, Smits A, Stenzl A, Thalmann GN, Tombal B, Turkbey B, Vahr Lauridsen S, Valdagni R, Van Der Heijden AG, Van Poppel H, Vartolomei MD, Veskimäe E, Vilaseca A, Vives Rivera FA, Wiegel T, Wiklund P, Williams A, Zigeuner R, Witjes JA. EAU-ESMO consensus statements on the management of advanced and variant bladder cancer-an international collaborative multi-stakeholder effort: under the auspices of the EAU and ESMO Guidelines Committees†. Ann Oncol 2019; 30:1697-1727. [PMID: 31740927 PMCID: PMC7360152 DOI: 10.1093/annonc/mdz296] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [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] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Although guidelines exist for advanced and variant bladder cancer management, evidence is limited/conflicting in some areas and the optimal approach remains controversial. OBJECTIVE To bring together a large multidisciplinary group of experts to develop consensus statements on controversial topics in bladder cancer management. DESIGN A steering committee compiled proposed statements regarding advanced and variant bladder cancer management which were assessed by 113 experts in a Delphi survey. Statements not reaching consensus were reviewed; those prioritised were revised by a panel of 45 experts before voting during a consensus conference. SETTING Online Delphi survey and consensus conference. PARTICIPANTS The European Association of Urology (EAU), the European Society for Medical Oncology (ESMO), experts in bladder cancer management. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS Statements were ranked by experts according to their level of agreement: 1-3 (disagree), 4-6 (equivocal), 7-9 (agree). A priori (level 1) consensus was defined as ≥70% agreement and ≤15% disagreement, or vice versa. In the Delphi survey, a second analysis was restricted to stakeholder group(s) considered to have adequate expertise relating to each statement (to achieve level 2 consensus). RESULTS AND LIMITATIONS Overall, 116 statements were included in the Delphi survey. Of these, 33 (28%) statements achieved level 1 consensus and 49 (42%) statements achieved level 1 or 2 consensus. At the consensus conference, 22 of 27 (81%) statements achieved consensus. These consensus statements provide further guidance across a broad range of topics, including the management of variant histologies, the role/limitations of prognostic biomarkers in clinical decision making, bladder preservation strategies, modern radiotherapy techniques, the management of oligometastatic disease and the evolving role of checkpoint inhibitor therapy in metastatic disease. CONCLUSIONS These consensus statements provide further guidance on controversial topics in advanced and variant bladder cancer management until a time where further evidence is available to guide our approach.
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Affiliation(s)
- A Horwich
- Emeritus Professor, The Institute of Cancer Research, London, UK; Emeritus Professor, The Institute of Cancer Research, London, UK.
| | - M Babjuk
- Depatment of Urology, 2nd Faculty of Medicine, Hospital Motol, Charles University, Prague, Czech Republic; Department of Urology, Medical University of Vienna, Vienna, Austria
| | - J Bellmunt
- IMIM-Hospital del Mar Medical Research Institute, Barcelona, Spain; Harvard Medical School, Boston, USA
| | - H M Bruins
- Department of Urology, Radboud University Medical Center, Nijmegen
| | - T M De Reijke
- Department of Urology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands
| | - M De Santis
- Department of Urology, Medical University of Vienna, Vienna, Austria; Department of Urology, Charité University Hospital, Berlin, Germany
| | - S Gillessen
- Division of Cancer Sciences, University of Manchester, Manchester; The Christie NHS Foundation Trust, Manchester, UK; Division of Oncology and Haematology, Kantonsspital St Gallen, St Gallen; University of Bern, Bern, Switzerland
| | - N James
- University Hospitals Birmingham NHS Foundation Trust, Birmingham; Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham
| | - S Maclennan
- Academic Urology Unit, University of Aberdeen, Aberdeen, UK
| | - J Palou
- Department of Urology, Fundació Puigvert, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - T Powles
- The Royal Free NHS Trust, London; Barts Cancer Institute, Queen Mary University of London, London, UK
| | - M J Ribal
- Uro-Oncology Unit, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - S F Shariat
- Depatment of Urology, 2nd Faculty of Medicine, Hospital Motol, Charles University, Prague, Czech Republic; Department of Urology, Medical University of Vienna, Vienna, Austria; Department of Urology, Weill Cornell Medical College, New York; Department of Urology, University of Texas Southwestern Medical Center, Dallas, USA; Institute for Urology and Reproductive Health, I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - T Van Der Kwast
- Department of Pathology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - E Xylinas
- Department of Urology, Bichat-Claude Bernard Hospital, Assistance Publique Hôpitaux de Paris, Paris; Paris Descartes University, Paris, France
| | - N Agarwal
- Huntsman Cancer Institute, University of Utah (NCI-CCC), Salt Lake City, USA
| | - T Arends
- Urology Department, Canisius-Wilhelmina Ziekenhuis Nijmegen, Nijmegen, The Netherlands
| | - A Bamias
- 2nd Propaedeutic Dept of Internal Medicine, Medical School, National & Kapodistrian University of Athens, Athens, Greece
| | - A Birtle
- Division of Cancer Sciences, University of Manchester, Manchester; Rosemere Cancer Centre, Lancashire Teaching Hospitals, Preston, UK
| | - P C Black
- Department of Urologic Sciences, Vancouver Prostate Centre, University of British Columbia, Vancouver, Canada
| | - B H Bochner
- Department of Urology, Weill Cornell Medical College, New York; Urology Service, Department of Urology, Memorial Sloan Kettering Cancer Center, New York, USA
| | - M Bolla
- Emeritus Professor of Radiation Oncology, Grenoble - Alpes University, Grenoble, France
| | - J L Boormans
- Department of Urology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - A Bossi
- Department of Radiation Oncology, Gustave Roussy Institute, Villejuif, France
| | - A Briganti
- Department of Urology, Urological Research Institute, Milan; Vita-Salute University, San Raffaele Scientific Institute, Milan, Italy
| | - I Brummelhuis
- Department of Urology, Radboud University Medical Center, Nijmegen
| | - M Burger
- Department of Urology, Caritas-St. Josef Medical Center, University of Regensburg, Regensburg, Germany
| | - D Castellano
- Medical Oncology Department, 12 de Octubre University Hospital (CIBERONC), Madrid, Spain
| | - R Cathomas
- Department Innere Medizin, Abteilung Onkologie und Hämatologie, Kantonsspital Graubünden, Chur, Switzerland
| | - A Chiti
- Department of Biomedical Sciences, Humanitas University, Milan; Humanitas Research Hospital, Milan, Italy
| | - A Choudhury
- Division of Cancer Sciences, University of Manchester, Manchester; The Christie NHS Foundation Trust, Manchester, UK
| | - E Compérat
- Department of Pathology, Tenon Hospital, HUEP, Paris; Sorbonne University, Paris, France
| | - S Crabb
- Cancer Sciences Unit, University of Southampton, Southampton, UK
| | - S Culine
- Department of Cancer Medicine, Hôpital Saint Louis, Paris
| | - B De Bari
- Radiation Oncology Department, Centre Hospitalier Régional Universitaire "Jean Minjoz" of Besançon, INSERM UMR 1098, Besançon, France; Radiation Oncology Department, Centre Hospitalier Universitaire Vaudois, Université de Lausanne, Lausanne, Switzerland
| | - W DeBlok
- Department of Urology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - P J L De Visschere
- Department of Radiology and Nuclear Medicine, Division of Genitourinary Radiology and Mammography, Ghent University Hospital, Ghent
| | - K Decaestecker
- Department of Urology, Ghent University Hospital, Ghent, Belgium
| | - K Dimitropoulos
- Department of Urology, Aberdeen Royal Infirmary, Aberdeen, UK
| | - J L Dominguez-Escrig
- Servicio de Urología, Fundación Instituto Valenciano de Oncología, Valencia, Spain
| | - S Fanti
- Department of Nuclear Medicine, Policlinico S Orsola, University of Bologna, Bologna, Italy
| | - V Fonteyne
- Department of Radiotherapy Oncology, Ghent University Hospital, Ghent, Belgium
| | - M Frydenberg
- Department of Surgery, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, Australia
| | - J J Futterer
- Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - G Gakis
- Department of Urology and Paediatric Urology, University Hospital of Würzburg, Julius-Maximillians University, Würzburg, Germany
| | - B Geavlete
- Department of Urology, Saint John Emergency Clinical Hospital, Bucharest, Romania
| | - P Gontero
- Division of Urology, Molinette Hospital, University of Studies of Torino, Torino, Italy
| | - B Grubmüller
- Department of Urology, Medical University of Vienna, Vienna, Austria
| | - S Hafeez
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London; Department of Clinical Oncology, The Royal Marsden NHS Foundation Trust, London, UK
| | - D E Hansel
- Department of Urology, University of California, San Diego Pathology, La Jolla, USA
| | - A Hartmann
- Institute of Pathology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg, Erlangen, Germany
| | - D Hayne
- Department of Urology, UWA Medical School, University of Western Australia, Perth, Australia
| | - A M Henry
- Leeds Institute of Medical Research, University of Leeds, Leeds, UK
| | - V Hernandez
- Department of Urology, Hospital Universitario Fundación de Alcorcón, Madrid, Spain
| | - H Herr
- Urology Service, Department of Urology, Memorial Sloan Kettering Cancer Center, New York, USA
| | - K Herrmann
- Department of Nuclear Medicine, Universitätsklinikum Essen, Essen, Germany
| | - P Hoskin
- Division of Cancer Sciences, University of Manchester, Manchester; The Christie NHS Foundation Trust, Manchester, UK; Mount Vernon Centre for Cancer Treatment, London, UK
| | - J Huguet
- Department of Urology, Fundació Puigvert, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - B A Jereczek-Fossa
- Department of Oncology and Hemato-oncology, University of Milan, Milan; Division of Radiotherapy, IEO European Institute of Oncology, IRCCS, Milan, Italy
| | - R Jones
- Institute of Cancer Sciences, College of Medicine, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - A M Kamat
- Department of Urology - Division of Surgery, The University of Texas, MD Anderson Cancer Center, Houston, USA
| | - V Khoo
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London; Department of Clinical Oncology, The Royal Marsden NHS Foundation Trust, London, UK; Department of Medicine, University of Melbourne, Melbourne; Monash University, Melbourne, Australia
| | - A E Kiltie
- CRUK/MRC Oxford Institute for Radiation Oncology, University of Oxford, Oxford, UK
| | - S Krege
- Department of Urology, Pediatric Urology and Urologic Oncology, Kliniken Essen-Mitte, Essen, Germany
| | - S Ladoire
- Department of Medical Oncology, Centre Georges François Leclerc, Dijon, France
| | - P C Lara
- Department of Oncology, Hospital Universitario San Roque, Canarias; Universidad Fernando Pessoa, Canarias, Spain
| | - A Leliveld
- Department of Urology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | | | - V Løgager
- Department of Radiology, Copenhagen University Hospital Herlev and Gentofte, Herlev, Denmark
| | - A Lorch
- Department of Medical Oncology and Hematology, University Hospital Zürich, Zürich, Switzerland
| | - Y Loriot
- Département de Médecine Oncologique, Gustave Roussy, INSERM U981, Université Paris-Sud, Université Paris-Saclay, Villejuif, France
| | - R Meijer
- UMC Utrecht Cancer Center, MS Oncologic Urology, Utrecht, The Netherlands
| | - M Carmen Mir
- Servicio de Urología, Fundación Instituto Valenciano de Oncología, Valencia, Spain
| | - M Moschini
- Department of Urology, Luzerner Kantonsspital, Luzern, Switzerland
| | - H Mostafid
- Department of Urology, Royal Surrey County Hospital, Guildford, UK
| | - A-C Müller
- Department of Radiation Oncology, Eberhard Karls University, Tübingen, Germany
| | - C R Müller
- Cancer Treatment Centre, Sorlandet Hospital, Kristiansand, Norway
| | - J N'Dow
- Academic Urology Unit, University of Aberdeen, Aberdeen, UK; Department of Urology, Aberdeen Royal Infirmary, Aberdeen, UK
| | - A Necchi
- Department of Medical Oncology, Istituto Nazionale Tumori of Milan, Milan, Italy
| | - Y Neuzillet
- Department of Urology, Hospital Foch, University of Versailles-Saint-Quentin-en-Yvelines, Suresnes, France
| | - J R Oddens
- Department of Urology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands
| | - J Oldenburg
- Department of Oncology, Akershus University Hospital, Lørenskog; Faculty of Medicine, University of Oslo, Oslo, Norway
| | - S Osanto
- Department of Clinical Oncology, Leiden University Medical Center, Leiden
| | - W J G Oyen
- Department of Biomedical Sciences, Humanitas University, Milan; Humanitas Research Hospital, Milan, Italy; Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands; Department of Radiology and Nuclear Medicine, Rijnstate Hospital, Arnhem, The Netherlands
| | - L Pacheco-Figueiredo
- Department of Urology, Centro Hospitalar São João, Porto; Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
| | - H Pappot
- Department of Oncology, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| | - M I Patel
- Department of Urology, Westmead Hospital, University of Sydney, Sydney, Australia
| | - B R Pieters
- Department of Radiation Oncology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam
| | - K Plass
- EAU Guidelines Office, Arnhem, The Netherlands
| | - M Remzi
- Department of Urology, Medical University of Vienna, Vienna, Austria
| | - M Retz
- Department of Urology, Rechts der Isar Medical Center, Technical University of Munich, Munich, Germany
| | - J Richenberg
- Department of Imaging and Nuclear Medicine, Royal Sussex County Hospital, Brighton; Brighton and Sussex Medical School, Brighton, UK
| | - M Rink
- Department of Urology, University Medical Center Hamburg-Eppendorf, Hamburg
| | - F Roghmann
- Department of Urology, Ruhr-University Bochum, Marien Hospital, Herne, Germany
| | - J E Rosenberg
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York; Weill Cornell Medical College, New York, USA
| | - M Rouprêt
- Department of Urology, Sorbonne Université, GRC n°5, ONCOTYPE-URO, AP-HP, Hôpital Pitié-Salpêtrière, Paris
| | - O Rouvière
- Hospices Civils de Lyon, Service d'Imagerie Urinaire et Vasculaire, Hôpital Edouard Herriot, Lyon; Université de Lyon, Université Lyon 1, Faculté de Médecine Lyon Est, Lyon, France
| | - C Salembier
- Department of Radiation Oncology, Europe Hospitals Brussels, Brussels, Belgium
| | - A Salminen
- Department of Urology, University Hospital of Turku, Turku, Finland
| | - P Sargos
- Department of Radiotherapy, Institut Bergonié, Bordeaux, France
| | - S Sengupta
- Department of Surgery, Austin Health, University of Melbourne, Melbourne; Eastern Health Clinical School, Monash University, Melbourne, Australia
| | - A Sherif
- Department of Surgical and Perioperative Sciences, Urology and Andrology, Umeå University, Umeå, Sweden
| | - R J Smeenk
- Department of Radiation Oncology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - A Smits
- Department of Urology, Radboud University Medical Center, Nijmegen
| | - A Stenzl
- Department of Urology, Eberhard Karls University Tübingen, Tübingen, Germany
| | - G N Thalmann
- Department of Urology, Inselspital, Bern University Hospital, Berne, Switzerland
| | - B Tombal
- Division of Urology, IREC, Cliniques Universitaires Saint Luc, UCL, Brussels, Belgium
| | - B Turkbey
- Molecular Imaging Program, National Cancer Institute, Bethesda, USA
| | - S Vahr Lauridsen
- Department of Urology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - R Valdagni
- Department of Oncology and Hemato-oncology, Università degli Studi di Milano, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | | | - H Van Poppel
- Department of Urology, University Hospitals Leuven, Leuven, Belgium
| | - M D Vartolomei
- Department of Urology, Medical University of Vienna, Vienna, Austria; Department of Cell and Molecular Biology, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, Targu Mures, Romania
| | - E Veskimäe
- Department of Urology, Tampere University Hospital, Tampere, Finland
| | - A Vilaseca
- Uro-Oncology Unit, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - F A Vives Rivera
- Clinica HematoOncologica Bonadona Prevenir, Universidad Metropolitana, Clinica Club de Leones, Barranquilla, Colombia
| | - T Wiegel
- Department of Radiation Oncology, University Hospital Ulm, Ulm, Germany
| | - P Wiklund
- Icahn School of Medicine, Mount Sinai Health System, New York City, USA; Department of Urology, Karolinska Institutet, Stockholm, Sweden
| | - A Williams
- Department of Urology, Auckland City Hospital, Auckland, New Zealand
| | - R Zigeuner
- Department of Urology, Medizinische Universität Graz, Graz, Austria
| | - J A Witjes
- Department of Urology, Radboud University Medical Center, Nijmegen
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Haldar A, Sengupta S, Das D, Sarkar S, Sett S. Role of interactome development in evaluation of refractory epilepsy: A case report. J Neurol Sci 2019. [DOI: 10.1016/j.jns.2019.10.1821] [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: 10/25/2022]
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Jiang J, Bradford G, Hossain SI, Brown M, Cooper J, Miller E, Huang Y, Miao H, Parrell JA, White M, Hunt A, Sengupta S, Revur R, Shen T, Kametani F, Trociewitz UP, Hellstrom EE, Larbalestier DC. High Performance Bi-2212 Round Wires Made with Recent Powders. IEEE Trans Appl Supercond 2019; 29:6400405. [PMID: 33737796 PMCID: PMC7968414 DOI: 10.1109/tasc.2019.2895197] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Multifilamentary Bi2Sr2CaCu2Ox (Bi-2212) wire made by the powder-in-tube technique is the only high temperature superconductor made in the round shape preferred by magnet builders. The critical current density (J C ) of Bi-2212 round wire was improved significantly by the development of overpressure heat treatment in the past few years. Bi-2212 wire is commercially available in multiple architectures and kilometer-long pieces and a very promising conductor for very high field NMR and accelerator magnets. We studied the effects of precursor powder and heat treatment conditions on the superconducting properties and microstructure of recent Bi-2212 wires. Short samples of recent wire with optimized overpressure processing showed J C (4.2 K, 15 T) = 6640 A/mm2 and J C (4.2 K, 30 T) = 4670 A/mm2, which correspond to engineering critical current densities J E (4.2 K, 15 T) = 1320 A/mm2 and J E (4.2 K, 30 T) = 930 A/mm2.
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Affiliation(s)
- J Jiang
- Applied Superconductivity Center, National High Magnetic Laboratory, Tallahassee, FL 32310, USA and also with Florida State University
| | - G Bradford
- Applied Super-conductivity Center, National High Magnetic Laboratory, Tallahassee, FL 32310, USA and also with Florida State University
| | - S I Hossain
- Applied Super-conductivity Center, National High Magnetic Laboratory, Tallahassee, FL 32310, USA and also with Florida State University
| | - M Brown
- Applied Super-conductivity Center, National High Magnetic Laboratory, Tallahassee, FL 32310, USA and also with Florida State University
| | - J Cooper
- Applied Super-conductivity Center, National High Magnetic Laboratory, Tallahassee, FL 32310, USA and also with Florida State University
| | - E Miller
- Applied Super-conductivity Center, National High Magnetic Laboratory, Tallahassee, FL 32310, USA and also with Florida State University
| | - Y Huang
- Bruker OST, Carteret, NJ 07008, USA
| | - H Miao
- Bruker OST, Carteret, NJ 07008, USA
| | | | - M White
- nGimat LLC, 2436 Over Dr. Lexington, KY 40511, USA
| | - A Hunt
- nGimat LLC, 2436 Over Dr. Lexington, KY 40511, USA
| | - S Sengupta
- MetaMateria, 870 Kaderly Dr, Columbus, OH 43228, USA
| | - R Revur
- MetaMateria, 870 Kaderly Dr, Columbus, OH 43228, USA
| | - T Shen
- Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - F Kametani
- Applied Super-conductivity Center, National High Magnetic Laboratory, Tallahassee, FL 32310, USA and also with Florida State University
| | - U P Trociewitz
- Applied Super-conductivity Center, National High Magnetic Laboratory, Tallahassee, FL 32310, USA and also with Florida State University
| | - E E Hellstrom
- Applied Super-conductivity Center, National High Magnetic Laboratory, Tallahassee, FL 32310, USA and also with Florida State University
| | - D C Larbalestier
- Applied Super-conductivity Center, National High Magnetic Laboratory, Tallahassee, FL 32310, USA and also with Florida State University
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Löhner A, Kunsel T, Röhr MIS, Jansen TLC, Sengupta S, Würthner F, Knoester J, Köhler J. Spectral and Structural Variations of Biomimetic Light-Harvesting Nanotubes. J Phys Chem Lett 2019; 10:2715-2724. [PMID: 31059268 DOI: 10.1021/acs.jpclett.9b00303] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Bioinspired, self-assembled nanotubes have been investigated by low-temperature, polarization-resolved single-tube spectroscopy. These assemblies are based on zinc chlorin monomers and are considered as model systems that resemble the secondary structural elements in the natural light-harvesting systems of green (non)sulfur bacteria. Compared to the natural systems, the spectral parameters extracted from the single-nanotube spectra feature distributions with significantly smaller widths, which is ascribed to a tremendous reduction of structural heterogeneity in the artificial systems. Employing quantum chemical molecular modeling the spectra of individual nanotubes can be explained consistently only for a molecular packing model that is fundamentally different from those considered so far for the natural systems. Subsequent theoretical simulations reveal that the remaining spectral variations between single nanotubes can be traced back to small variations of the mutual orientations of the monomer transition dipole moments that are far beyond the resolving power of high-resolution electron microscopy imaging techniques.
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Affiliation(s)
- A Löhner
- Spectroscopy of Soft Matter , University of Bayreuth , Universitätsstraße 30 , 94557 Bayreuth , Germany
| | - T Kunsel
- University of Groningen , Zernike Institute for Advanced Materials , Nijenborgh 4 , 9747 AG Groningen , The Netherlands
| | - M I S Röhr
- Center for Nanosystems Chemistry , Universität Würzburg , Theodor-Boveri-Weg , 97074 Würzburg , Germany
| | - T L C Jansen
- University of Groningen , Zernike Institute for Advanced Materials , Nijenborgh 4 , 9747 AG Groningen , The Netherlands
| | - S Sengupta
- Center for Nanosystems Chemistry , Universität Würzburg , Theodor-Boveri-Weg , 97074 Würzburg , Germany
| | - F Würthner
- Center for Nanosystems Chemistry , Universität Würzburg , Theodor-Boveri-Weg , 97074 Würzburg , Germany
- Bavarian Polymer Institute , Theodor-Boveri-Weg , 97074 Würzburg , Germany
| | - J Knoester
- University of Groningen , Zernike Institute for Advanced Materials , Nijenborgh 4 , 9747 AG Groningen , The Netherlands
| | - J Köhler
- Spectroscopy of Soft Matter , University of Bayreuth , Universitätsstraße 30 , 94557 Bayreuth , Germany
- Bavarian Polymer Institute , Universitätsstraße 30 , 94557 Bayreuth , Germany
- Bayreuth Institute of Macromolecular Research (BIMF) , University of Bayreuth , Universitätsstraße 30 , 94557 Bayreuth , Germany
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Singh SK, Sengupta S, Antony R, Bhattacharya S, Mukhopadhyay C, Ramasubramanian V, Sharma A, Sahu S, Nirkhiwale S, Gupta S, Rohit A, Sharma S, Raghavan V, Barman P, Sood S, Mamtora D, Rengaswamy S, Arora A, Goossens H, Versporten A. Variations in antibiotic use across India: multi-centre study through Global Point Prevalence survey. J Hosp Infect 2019; 103:280-283. [PMID: 31170422 DOI: 10.1016/j.jhin.2019.05.014] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [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: 01/08/2019] [Accepted: 05/28/2019] [Indexed: 11/29/2022]
Abstract
The aim of the study was to assess antimicrobial prescribing patterns, and variation in practice, in India. A point prevalence survey (PPS) was conducted in October to December 2017 in 16 tertiary care hospitals across India. The survey included all inpatients receiving an antimicrobial on the day of PPS and collected data were analysed using a web-based application of the University of Antwerp. In all, 1750 patients were surveyed, of whom 1005 were receiving a total of 1578 antimicrobials. Among the antimicrobials prescribed, 26.87% were for community-acquired infections; 19.20% for hospital-acquired infections; 17.24% for medical prophylaxis; 28.70% for surgical prophylaxis; and 7.99% for other or undetermined reasons. Antibiotic prescribing quality indicators, such as reason in notes and post-prescription review score, were low. This PPS showed widespread antibiotic usage, underlining the need for antibiotic stewardship to promote evidence-based practice.
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Affiliation(s)
- S K Singh
- Amrita Institute of Medical Sciences, Kochi, India.
| | - S Sengupta
- Medanta - The Medicity Hospital, Gurgaon, India
| | - R Antony
- Amrita Institute of Medical Sciences, Kochi, India
| | | | | | | | | | - S Sahu
- Apollo Hospital, Bhubaneswar, India
| | | | - S Gupta
- Mahatma Gandhi Medical College & Hospital, Jaipur, India
| | - A Rohit
- Madras Medical Mission Hospital, Chennai, India
| | - S Sharma
- Indian Spinal Injuries Centre, Delhi, India
| | - V Raghavan
- Sundaram Medical Foundation, Chennai, India
| | - P Barman
- BLK Super Speciality Hospital, Delhi, India
| | - S Sood
- CK Birla Hospitals - Rukmani Birla Hospital, Jaipur, India
| | | | | | - A Arora
- Fortis Hospital, New Delhi, India
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Sengupta S, Handoo A. Optimizing the impact of POCT: Eliminating errors before they hit you!! Clin Chim Acta 2019. [DOI: 10.1016/j.cca.2019.03.1389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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