1
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Heibeyn J, Witte M, Radermacher K. Decontamination of a robot used to reprocess reusable surgical instruments. J Hosp Infect 2024; 143:1-7. [PMID: 38529779 DOI: 10.1016/j.jhin.2023.10.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/05/2023] [Accepted: 10/14/2023] [Indexed: 03/27/2024]
Abstract
BACKGROUND Using robots to handle medical devices in the decontamination area of the Central Sterile Supply Department (CSSD) can reduce risks and address staff shortages. The gripper design must allow reliable cleaning using standard CSSD procedures to avoid build-up of biofilms and possible cross-contamination between different instrument trays and the gripper's functionality. This study explores the design of the robot's gripper regarding cleanability, aiming to determine whether successful cleaning can be achieved even after prolonged drying for a working shift of 8 h. METHODS We optimized a gripper for cleanability and used it to assess the spread of different test soils depending on different forms of motion. Subsequently, we analysed the cleanability using sheep's blood as test soil, reprocessing the gripper in different assembly configurations after 4 and 8 h of drying, and measuring residual protein. FINDINGS Based on our investigations, we documented the spread of contamination depending on the type of motion of the gripper's components. Sheep's blood exhibited the highest dispersion among the test soils, permeating through thin crevices. Importantly, all samples displayed residual protein levels below the warning threshold, irrespective of drying time and gripper disassembly or cleaning position. Cleaning in a device-specific optimized position achieved results comparable to cleaning the disassembled individual components. CONCLUSIONS These findings indicate that cleaning even after one working shift of 8 h and without the labour-intensive disassembly of the gripper is feasible, supporting the future use of robots to handle contaminated medical devices in the CSSD decontamination area.
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Affiliation(s)
- J Heibeyn
- Department of Medical Engineering, RWTH Aachen University, Aachen, Germany.
| | - M Witte
- Department of Medical Engineering, RWTH Aachen University, Aachen, Germany
| | - K Radermacher
- Department of Medical Engineering, RWTH Aachen University, Aachen, Germany
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2
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van de Lindt T, Janssen T, Witte M, van Pelt V, Betgen A, Nowee M, Sonke J. PO-1575 Evaluation of accumulated dose with residual uncertainties: an example with 4D-MRI guided liver SBRT. Radiother Oncol 2021. [DOI: 10.1016/s0167-8140(21)08026-9] [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: 10/20/2022]
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3
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Spieler B, Stover B, Studenski M, Patel N, Pennix T, Witte M, Mohan P, Venkat S, Georgiou M, Giap H, Portelance L. In Transarterial Radioembolization of Hepatocellular Carcinoma, 3-D Dosimetry Based on Post-Treatment Brehmsstrahlung SPECT/CT Can Predict Local Control of Disease. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1822] [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: 11/24/2022]
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4
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Mann P, Witte M, Mercea P, Nill S, Lang C, Karger CP. Feasibility of markerless fluoroscopic real-time tumor detection for adaptive radiotherapy: development and end-to-end testing. Phys Med Biol 2020; 65:115002. [PMID: 32235075 DOI: 10.1088/1361-6560/ab8578] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Respiratory-gated radiotherapy treatments of lung tumors reduce the irradiated normal tissue volume and potentially lower the risk of side effects. However, in clinical routine, the gating signal is usually derived from external markers or other surrogate signals and may not always correlate well with the actual tumor position. This study uses the kV-imaging system of a LINAC in combination with a multiple template matching algorithm for markerless real-time detection of the tumor position in a dynamic anthropomorphic porcine lung phantom. The tumor was realized by a small container filled with polymer dosimetry gel, the so-called gel tumor. A full end-to-end test for a gated treatment was performed and the geometric and dosimetric accuracy was validated. The accuracy of the tumor detection algorithm in SI- direction was found to be [Formula: see text] mm and the gel tumor was automatically detected in 98 out of 100 images. The measured 3D dose distribution showed a uniform coverage of the gel tumor and comparison with the treatment plan revealed a high 3D [Formula: see text]-passing rate of [Formula: see text] ([Formula: see text]). The simulated treatment confirmed the employed margin sizes for residual motion within the gating window and serves as an end-to-end test for a gated treatment based on a markerless fluoroscopic real-time tumor detection.
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Affiliation(s)
- P Mann
- Department of Medical Physics in Radiation Therapy, German Cancer Research Center, Im Neuenheimer Feld 280, Heidelberg, Germany. National Center for Radiation Research in Oncology (NCRO), Heidelberg Institute for Radiation Oncology (HIRO), Im Neuenheimer Feld 280, Heidelberg, Germany
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Kamermans A, Verhoeven T, van Het Hof B, Koning JJ, Borghuis L, Witte M, van Horssen J, de Vries HE, Rijnsburger M. Setmelanotide, a Novel, Selective Melanocortin Receptor-4 Agonist Exerts Anti-inflammatory Actions in Astrocytes and Promotes an Anti-inflammatory Macrophage Phenotype. Front Immunol 2019; 10:2312. [PMID: 31636637 PMCID: PMC6788433 DOI: 10.3389/fimmu.2019.02312] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 09/12/2019] [Indexed: 11/13/2022] Open
Abstract
To date, available treatment strategies for multiple sclerosis (MS) are ineffective in preventing or reversing progressive neurologic deterioration, creating a high, and unmet medical need. One potential way to fight MS may be by limiting the detrimental effects of reactive astrocytes, a key pathological hallmark for disease progression. One class of compounds that may exert beneficial effects via astrocytes are melanocortin receptor (MCR) agonists. Among the MCR, MC4R is most abundantly expressed in the CNS and several rodent studies have described that MC4R is—besides neurons—expressed by astrocytes. Activation of MC4R in astrocytes has shown to have potent anti-inflammatory as well as neuroprotective effects in vitro, suggesting that this could be a potential target to ameliorate ongoing inflammation, and neurodegeneration in MS. In this study, we set out to investigate human MC4R expression and analyze its downstream effects. We identified MC4R mRNA and protein to be expressed on astrocytes and observed increased astrocytic MC4R expression in active MS lesions. Furthermore, we show that the novel, highly selective MC4R agonist setmelanotide ameliorates the reactive phenotype in astrocytes in vitro and markedly induced interleukin−6 and −11 production, possibly through enhanced cAMP response element-binding protein (CREB) phosphorylation. Notably, stimulation of human macrophages with medium from astrocytes that were exposed to setmelanotide, skewed macrophages toward an anti-inflammatory phenotype. Taken together, these findings suggest that targeting MC4R on astrocytes might be a novel therapeutic strategy to halt inflammation-associated neurodegeneration in MS.
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Affiliation(s)
- Alwin Kamermans
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Tom Verhoeven
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Bert van Het Hof
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Jasper J Koning
- Department of Molecular Cell Biology and Immunology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Lauri Borghuis
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Maarten Witte
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Jack van Horssen
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Helga E de Vries
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Merel Rijnsburger
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
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6
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Visser M, Müller DMJ, van Duijn RJM, Smits M, Verburg N, Hendriks EJ, Nabuurs RJA, Bot JCJ, Eijgelaar RS, Witte M, van Herk MB, Barkhof F, de Witt Hamer PC, de Munck JC. Inter-rater agreement in glioma segmentations on longitudinal MRI. Neuroimage Clin 2019; 22:101727. [PMID: 30825711 PMCID: PMC6396436 DOI: 10.1016/j.nicl.2019.101727] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 02/06/2019] [Accepted: 02/19/2019] [Indexed: 11/25/2022]
Abstract
Background Tumor segmentation of glioma on MRI is a technique to monitor, quantify and report disease progression. Manual MRI segmentation is the gold standard but very labor intensive. At present the quality of this gold standard is not known for different stages of the disease, and prior work has mainly focused on treatment-naive glioblastoma. In this paper we studied the inter-rater agreement of manual MRI segmentation of glioblastoma and WHO grade II-III glioma for novices and experts at three stages of disease. We also studied the impact of inter-observer variation on extent of resection and growth rate. Methods In 20 patients with WHO grade IV glioblastoma and 20 patients with WHO grade II-III glioma (defined as non-glioblastoma) both the enhancing and non-enhancing tumor elements were segmented on MRI, using specialized software, by four novices and four experts before surgery, after surgery and at time of tumor progression. We used the generalized conformity index (GCI) and the intra-class correlation coefficient (ICC) of tumor volume as main outcome measures for inter-rater agreement. Results For glioblastoma, segmentations by experts and novices were comparable. The inter-rater agreement of enhancing tumor elements was excellent before surgery (GCI 0.79, ICC 0.99) poor after surgery (GCI 0.32, ICC 0.92), and good at progression (GCI 0.65, ICC 0.91). For non-glioblastoma, the inter-rater agreement was generally higher between experts than between novices. The inter-rater agreement was excellent between experts before surgery (GCI 0.77, ICC 0.92), was reasonable after surgery (GCI 0.48, ICC 0.84), and good at progression (GCI 0.60, ICC 0.80). The inter-rater agreement was good between novices before surgery (GCI 0.66, ICC 0.73), was poor after surgery (GCI 0.33, ICC 0.55), and poor at progression (GCI 0.36, ICC 0.73). Further analysis showed that the lower inter-rater agreement of segmentation on postoperative MRI could only partly be explained by the smaller volumes and fragmentation of residual tumor. The median interquartile range of extent of resection between raters was 8.3% and of growth rate was 0.22 mm/year. Conclusion Manual tumor segmentations on MRI have reasonable agreement for use in spatial and volumetric analysis. Agreement in spatial overlap is of concern with segmentation after surgery for glioblastoma and with segmentation of non-glioblastoma by non-experts. Inter-rater agreement for longitudinal glioma segmentation was determined. Agreement between 4 experts was higher than between 4 novices. Three time-points of glioblastoma (WHO IV) and diffuse glioma (WHO II-III) are studied. Impact on extent of resection and growth rate measurements was determined.
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Affiliation(s)
- M Visser
- Department of Radiology and Nuclear Medicine, Amsterdam UMC, location VUmc, De Boelelaan 1117, 1081 HZ Amsterdam, the Netherlands.
| | - D M J Müller
- Department of Neurosurgery, Amsterdam UMC, location VUmc, De Boelelaan 1117, 1081 HZ Amsterdam, the Netherlands; Brain Tumor Center, Amsterdam UMC, location VUmc, De Boelelaan 1117, 1081 HZ Amsterdam, the Netherlands
| | - R J M van Duijn
- Department of Radiology and Nuclear Medicine, Amsterdam UMC, location VUmc, De Boelelaan 1117, 1081 HZ Amsterdam, the Netherlands
| | - M Smits
- Department of Radiology and Nuclear Medicine, Erasmus MC, PO Box 2040, 3000 CA Rotterdam, the Netherlands
| | - N Verburg
- Department of Neurosurgery, Amsterdam UMC, location VUmc, De Boelelaan 1117, 1081 HZ Amsterdam, the Netherlands; Brain Tumor Center, Amsterdam UMC, location VUmc, De Boelelaan 1117, 1081 HZ Amsterdam, the Netherlands
| | - E J Hendriks
- Department of Radiology and Nuclear Medicine, Amsterdam UMC, location VUmc, De Boelelaan 1117, 1081 HZ Amsterdam, the Netherlands
| | - R J A Nabuurs
- Department of Neurosurgery, Amsterdam UMC, location VUmc, De Boelelaan 1117, 1081 HZ Amsterdam, the Netherlands; Brain Tumor Center, Amsterdam UMC, location VUmc, De Boelelaan 1117, 1081 HZ Amsterdam, the Netherlands
| | - J C J Bot
- Department of Radiology and Nuclear Medicine, Amsterdam UMC, location VUmc, De Boelelaan 1117, 1081 HZ Amsterdam, the Netherlands
| | - R S Eijgelaar
- Department of Radiotherapy, The Netherlands Cancer Institute, Plesmanlaan 121, 1006 BE Amsterdam, the Netherlands
| | - M Witte
- Department of Radiotherapy, The Netherlands Cancer Institute, Plesmanlaan 121, 1006 BE Amsterdam, the Netherlands
| | - M B van Herk
- Institute of Cancer Sciences, Manchester Cancer Research Centre, Division of Cancer Science, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Sciences Centre, Manchester M13 9PL, United Kingdom
| | - F Barkhof
- Department of Radiology and Nuclear Medicine, Amsterdam UMC, location VUmc, De Boelelaan 1117, 1081 HZ Amsterdam, the Netherlands; Institutes of Neurology and Healthcare Engineering, University College London, Gower St, Bloomsbury, London WC1E 6BT, United Kingdom
| | - P C de Witt Hamer
- Department of Neurosurgery, Amsterdam UMC, location VUmc, De Boelelaan 1117, 1081 HZ Amsterdam, the Netherlands
| | - J C de Munck
- Department of Radiology and Nuclear Medicine, Amsterdam UMC, location VUmc, De Boelelaan 1117, 1081 HZ Amsterdam, the Netherlands
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Tol WA, Murray SM, Lund C, Bolton P, Murray LK, Davies T, Haushofer J, Orkin K, Witte M, Salama L, Patel V, Thornicroft G, Bass JK. Can mental health treatments help prevent or reduce intimate partner violence in low- and middle-income countries? A systematic review. BMC Womens Health 2019; 19:34. [PMID: 30764813 PMCID: PMC6376658 DOI: 10.1186/s12905-019-0728-z] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 01/25/2019] [Indexed: 01/21/2023]
Abstract
Background Epidemiological research suggests an interrelationship between mental health problems and the (re)occurrence of intimate partner violence (IPV). However, little is known about the impact of mental health treatments on IPV victimization or perpetration, especially in low- and middle-income countries (LMIC). Methods We conducted a systematic review to identify prospective, controlled studies of mental health treatments in LMIC. We defined ‘mental health treatment’ as an intervention for individuals experiencing mental ill health (including substance misuse) including a substantial psychosocial or pharmacological component. Studies had to measure a mental health and IPV outcome. We searched across multi-disciplinary databases using a structured search strategy. Screening of title/abstracts and full-text eligibility assessments were conducted by two researchers independently, data were extracted using a piloted spreadsheet, and a narrative synthesis was generated. Results We identified seven studies reported in 11 papers conducted in five middle-income countries. With the exception of blinding, studies overall showed acceptable levels of risk of bias. Four of the seven studies focused on dedicated mental health treatments in various populations, including: common mental disorders in earthquake survivors; depression in primary care; alcohol misuse in men; and alcohol misuse in female adult sex workers. The dedicated mental health treatments targeting depression or alcohol misuse consistently reduced levels of these outcomes. The two studies targeting depression also reduced short-term IPV, but no IPV benefits were identified in the two alcohol-focused studies. The other three studies evaluated integrated interventions, in which a focus on substance misuse was part of efforts to reduce HIV/AIDS and violence against particularly vulnerable women. In contrast to the dedicated mental health interventions, the integrated interventions did not consistently reduce mental ill health or alcohol misuse compared to control conditions. Conclusions Too few studies have been conducted to judge whether mental health treatments may provide a beneficial strategy to prevent or reduce IPV in LMIC. Key future research questions include: whether promising initial evidence on the effects of depression interventions on reducing IPV hold more broadly, the required intensity of mental health components in integrated interventions, and the identification of mechanisms of IPV that are amenable to mental health intervention. Electronic supplementary material The online version of this article (10.1186/s12905-019-0728-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- W A Tol
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, 624 N Broadway, HH795, Baltimore, MD, 21205, USA. .,Peter C. Alderman Program for Global Mental Health, HealthRight International, New York, USA.
| | - S M Murray
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, 624 N Broadway, HH795, Baltimore, MD, 21205, USA
| | - C Lund
- Alan J Flisher Centre for Public Mental Health, Department of Psychiatry and Mental Health, University of Cape Town, Cape Town, South Africa.,Centre for Global Mental Health, Health Service and Population Research Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - P Bolton
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, 624 N Broadway, HH795, Baltimore, MD, 21205, USA.,Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, USA
| | - L K Murray
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, 624 N Broadway, HH795, Baltimore, MD, 21205, USA
| | - T Davies
- Alan J Flisher Centre for Public Mental Health, Department of Psychiatry and Mental Health, University of Cape Town, Cape Town, South Africa
| | - J Haushofer
- Department of Psychology and Woodrow Wilson School of Public and International Affairs, Princeton University, Princeton, NJ, USA.,National Bureau of Economic Research, Cambridge, MA, USA.,Busara Center for Behavioral Economics, Nairobi, Kenya
| | - K Orkin
- Blavatnik School of Government and Centre for the Study of African Economies, University of Oxford, Oxford, UK.,Merton College, University of Oxford, Oxford, UK
| | - M Witte
- Department of Economics and Centre for the Study of African Economies, University of Oxford, Oxford, UK
| | - L Salama
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, 624 N Broadway, HH795, Baltimore, MD, 21205, USA
| | - V Patel
- Department of Global Health and Social Medicine, Harvard Medical School, Boston, USA.,Department of Global Health and Population, Harvard Chan School of Public Health, Boston, USA
| | - G Thornicroft
- Centre for Global Mental Health, Health Service and Population Research Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - J K Bass
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, 624 N Broadway, HH795, Baltimore, MD, 21205, USA
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Heemsbergen W, Incrocci L, Pos F, Wortel R, Lebesque J, Witte M. PO-0929: Exploring dose-effect relationships for late fecal incontinence after modern radiotherapy. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)31239-8] [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: 11/24/2022]
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9
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Rossi L, Bijman R, Schillemans W, Aluwini S, Witte M, Pos F, Incrocci L, Heijmen B. PV-0565: Texture Analysis of 3D dose distributions for predictive modelling of toxicity rates in radiotherapy. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)30875-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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10
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Witte M, Zillikens D, Shimanovich I. Intravenous immunoglobulins for rituximab-resistant mucous membrane pemphigoid. J Eur Acad Dermatol Venereol 2018; 32:e321-e324. [PMID: 29443427 DOI: 10.1111/jdv.14873] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- M Witte
- Department of Dermatology, University of Lübeck, Lübeck, Germany
| | - D Zillikens
- Department of Dermatology, University of Lübeck, Lübeck, Germany
| | - I Shimanovich
- Department of Dermatology, University of Lübeck, Lübeck, Germany
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11
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Tanoue N, Moedano L, Witte M, Montague M, Lukefahr A, Bernas M. Primary versus trauma-induced Gorham-Stout disease. Lymphology 2018; 51:18-27. [PMID: 30248728 PMCID: PMC7852030] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Gorham-Stout disease - also known as "disappearing bone disease" is currently considered a single entity with varying clinical manifestations. We reviewed the existent literature from the earliest historic description(Jackson in 1838) and Gorham and Stout's original series of patients, multiple case reports and series since. After analyzing 212 reported cases, we identified 76 cases with details that recorded either a history of multifocal disease or an identifiable history of preceding trauma. From this review, we have defined two distinct Gorham-Stout entities - those characteristically associated with lymphangiomatosis [a form of GLA (generalized lymphangiomatosis) questionably distinguishable by bone biopsy and radiologic appearance] with multifocal distributed bone lesions, and those others, usually self-limited, first appearing after a traumatic event and always confined to a single bone or closely adjacent one. Multifocal disease is more likely to have chylothorax as a complication. These two Gorham-Stout entities differ in their demographic distribution, clinical history and manifestations, and they follow divergent clinical courses. The prognosis differs, and so should approaches to monitoring as well as acute and long-term treatment. Further research should seek to identify and define the differences in pathology and molecular mechanisms.
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Affiliation(s)
- N Tanoue
- Department of Surgery, University of Arizona College of Medicine, Tucson, Arizona USA
| | - L Moedano
- Department of Surgery, University of Arizona College of Medicine, Tucson, Arizona USA
| | - M Witte
- Department of Surgery, University of Arizona College of Medicine, Tucson, Arizona USA
| | - M Montague
- Department of Surgery, University of Arizona College of Medicine, Tucson, Arizona USA
| | - A Lukefahr
- Department of Pahtology, University of Arizona College of Medicine, Tucson, Arizona USA
| | - M Bernas
- Department of Surgery, University of Arizona College of Medicine, Tucson, Arizona USA
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12
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van Horssen J, van Schaik P, Witte M. Inflammation and mitochondrial dysfunction: A vicious circle in neurodegenerative disorders? Neurosci Lett 2017; 710:132931. [PMID: 28668382 DOI: 10.1016/j.neulet.2017.06.050] [Citation(s) in RCA: 154] [Impact Index Per Article: 22.0] [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: 03/08/2017] [Accepted: 06/27/2017] [Indexed: 12/21/2022]
Abstract
Experimental evidence supports an intricate association between inflammation and mitochondrial dysfunction as main contributors of neurological diseases. Inflammatory mediators produced by activated microglia and infiltrated immune cells trigger intracellular signalling cascades that can alter cellular mitochondrial metabolism. Cytokines, particularly tumor necrosis factor-alpha, impede mitochondrial oxidative phosphorylation and associated ATP production and instigate mitochondrial reactive oxygen species production. This culminates in mitochondrial membrane permeabilization, altered mitochondrial dynamics and might ultimately result in cell death. When severely injured mitochondria are not appropriately removed by mitophagy they can release their contents into the cytosol and extracellular environment and thereby amplify the inflammatory process. Here we provide a comprehensive overview on how inflammatory mediators impair mitochondrial metabolism and discuss how defective mitochondria can elicit and potentiate an inflammatory response.
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Affiliation(s)
- Jack van Horssen
- Dept. of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands.
| | - Pauline van Schaik
- Dept. of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands
| | - Maarten Witte
- Dept. of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands
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13
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Heemsbergen W, Wortel R, Pos F, Smeenk R, Krol S, Aluwini S, Witte M, Heijmen B, Incrocci L. OC-0128: Patient-reported outcome in the prostate HYPRO trial: gastrointestinal toxicity. Radiother Oncol 2017. [DOI: 10.1016/s0167-8140(17)30571-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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14
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McGuire S, Witte M, Kallarackal A, Basner M. 0162 PILOT STUDY EXAMINING THE EFFECTS OF AIRCRAFT NOISE ON SLEEP IN COMMUNITIES NEAR PHILADELPHIA INTERNATIONAL AIRPORT. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.161] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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15
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Manego RZ, Mombo-Ngoma G, Witte M, Held J, Gmeiner M, Gebru T, Tazemda B, Mischlinger J, Groger M, Lell B, Adegnika AA, Agnandji ST, Kremsner PG, Mordmüller B, Ramharter M, Matsiegui PB. Demography, maternal health and the epidemiology of malaria and other major infectious diseases in the rural department Tsamba-Magotsi, Ngounie Province, in central African Gabon. BMC Public Health 2017; 17:130. [PMID: 28129759 PMCID: PMC5273856 DOI: 10.1186/s12889-017-4045-x] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 01/17/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Sub-Saharan Africa is undergoing an epidemiological transition from a predominance of infectious diseases to non-communicable and lifestyle related conditions. However, the pace of this transition and the pattern of disease epidemiology are uneven between affluent urban and rural poor populations. To address this question for a remote rural region located in the central African rainforest region of Gabon, this study was conducted to assess reasons for health care attendance and to characterize the epidemiology of malaria and other major infectious diseases for the department of Tsamba Magotsi. METHODS Major causes for health care attendance were collected from local hospital records. Cross sectional population based surveys were performed for the assessment of local malaria epidemiology. Pregnant women attending antenatal care services were surveyed as a sentinel population for the characterization of chronic viral and parasitic infections in the community. RESULTS Infectious diseases were responsible for 71% (7469) of a total of 10,580 consultations at the formal health care sector in 2010. Overall, malaria - defined by clinical syndrome - remained the most frequent cause for health care attendance. A cross sectional malaria survey in 840 asymptomatic individuals residing in Tsamba Magotsi resulted in a Plasmodium spp. infection prevalence of 37%. The infection rate in 2-10 year old asymptomatic children - a standard measure for malaria endemicity - was 46% (100 of 217) with P. falciparum as predominant species (79%). Infection with other plasmodial species (P. ovale and P. malariae) presented most commonly as coinfections (23.2%). Prevalence of HIV, HBV, and syphilis were 6.2, 7.3, and 2.5%, respectively, in cross-sectional assessments of antenatal care visits of pregnant women. Urogenital schistosomiasis and the filarial pathogens Loa loa and Mansonella perstans are highly prevalent chronic parasitic infections affecting the local population. CONCLUSIONS Despite major improvements in the accessibility of Tsamba Magotsi over the past decade the epidemiological transition does not appear to have majorly changed on the spectrum of diseases in this rural Gabonese population. The high prevalence of Plasmodium infection indicates a high burden of malaria related morbidity. Infectious diseases remain one of the most important health issues and further research activities in the field of tropical medicine and infectious diseases could help improve health care for the local population.
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Affiliation(s)
- R Zoleko Manego
- Centre de Recherches Médicales de Lambaréné , Lambaréné, Gabon.,Institut für Tropenmedizin, University of Tübingen, 72074, Tübingen, Germany
| | - G Mombo-Ngoma
- Centre de Recherches Médicales de Lambaréné , Lambaréné, Gabon.,Institut für Tropenmedizin, University of Tübingen, 72074, Tübingen, Germany.,Département de Parasitologie-Mycologie, Université des Sciences de La Santé, Libreville, Gabon
| | - M Witte
- Centre de Recherches Médicales de Lambaréné , Lambaréné, Gabon.,Institut für Tropenmedizin, University of Tübingen, 72074, Tübingen, Germany
| | - J Held
- Centre de Recherches Médicales de Lambaréné , Lambaréné, Gabon.,Institut für Tropenmedizin, University of Tübingen, 72074, Tübingen, Germany.,Deutsches Zentrum für Infektionsforschung (DZIF), Standort, Tübingen, Germany
| | - M Gmeiner
- Centre de Recherches Médicales de Lambaréné , Lambaréné, Gabon.,Institut für Tropenmedizin, University of Tübingen, 72074, Tübingen, Germany.,Deutsches Zentrum für Infektionsforschung (DZIF), Standort, Tübingen, Germany
| | - T Gebru
- Centre de Recherches Médicales de Lambaréné , Lambaréné, Gabon.,Institut für Tropenmedizin, University of Tübingen, 72074, Tübingen, Germany.,Deutsches Zentrum für Infektionsforschung (DZIF), Standort, Tübingen, Germany
| | - B Tazemda
- Centre de Recherches Médicales de Lambaréné , Lambaréné, Gabon.,Institut für Tropenmedizin, University of Tübingen, 72074, Tübingen, Germany.,Centre de Recherches Médicales de la Ngounié, Fougamou, Gabon
| | - J Mischlinger
- Centre de Recherches Médicales de Lambaréné , Lambaréné, Gabon.,Institut für Tropenmedizin, University of Tübingen, 72074, Tübingen, Germany.,Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria
| | - M Groger
- Centre de Recherches Médicales de Lambaréné , Lambaréné, Gabon.,Institut für Tropenmedizin, University of Tübingen, 72074, Tübingen, Germany
| | - B Lell
- Centre de Recherches Médicales de Lambaréné , Lambaréné, Gabon.,Institut für Tropenmedizin, University of Tübingen, 72074, Tübingen, Germany
| | - A A Adegnika
- Centre de Recherches Médicales de Lambaréné , Lambaréné, Gabon.,Institut für Tropenmedizin, University of Tübingen, 72074, Tübingen, Germany
| | - S T Agnandji
- Centre de Recherches Médicales de Lambaréné , Lambaréné, Gabon.,Institut für Tropenmedizin, University of Tübingen, 72074, Tübingen, Germany
| | - P G Kremsner
- Centre de Recherches Médicales de Lambaréné , Lambaréné, Gabon.,Institut für Tropenmedizin, University of Tübingen, 72074, Tübingen, Germany
| | - B Mordmüller
- Centre de Recherches Médicales de Lambaréné , Lambaréné, Gabon.,Institut für Tropenmedizin, University of Tübingen, 72074, Tübingen, Germany.,Deutsches Zentrum für Infektionsforschung (DZIF), Standort, Tübingen, Germany
| | - M Ramharter
- Centre de Recherches Médicales de Lambaréné , Lambaréné, Gabon. .,Institut für Tropenmedizin, University of Tübingen, 72074, Tübingen, Germany. .,Department of Medicine I, Division of Infectious Diseases and Tropical Medicine, Medical University of Vienna, Vienna, Austria.
| | - P B Matsiegui
- Centre de Recherches Médicales de Lambaréné , Lambaréné, Gabon.,Institut für Tropenmedizin, University of Tübingen, 72074, Tübingen, Germany.,Centre de Recherches Médicales de la Ngounié, Fougamou, Gabon
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Mann P, Witte M, Moser T, Lang C, Runz A, Johnen W, Berger M, Biederer J, Karger CP. 3D dosimetric validation of motion compensation concepts in radiotherapy using an anthropomorphic dynamic lung phantom. Phys Med Biol 2016; 62:573-595. [DOI: 10.1088/1361-6560/aa51b1] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Tukaj S, Bieber K, Kleszczynski K, Witte M, Cames R, Kalies K, Zillikens D, Ludwig R, Fischer T, Kasperkiewicz M. 235 Topically applied heat shock protein 90 blocker 17AAG inhibits autoantibody-mediated blister-inducing cutaneous inflammation. J Invest Dermatol 2016. [DOI: 10.1016/j.jid.2016.06.255] [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: 10/21/2022]
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Runz M, Runz A, Mann P, Witte M, Jäkel O. Range assignment of protons in 18-oxygenated dosimetry gel using MR-PET imaging. Phys Med 2016. [DOI: 10.1016/j.ejmp.2016.07.197] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Pos F, Incrocci L, Wortel R, Van der Heide U, Lebesque J, Aluwini S, Witte M, Heemsbergen W. OC-0341: Anal dose reduction for radiotherapy of prostate cancer does not lead to less rectal incontinence. Radiother Oncol 2016. [DOI: 10.1016/s0167-8140(16)31590-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Van der Bijl E, Witte M, Van Vliet-Vroegindeweij C, Damen E. OC-0463: Improving treatment plan quality of SBRT lung tumors using a new gradient index. Radiother Oncol 2016. [DOI: 10.1016/s0167-8140(16)31712-1] [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: 10/21/2022]
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21
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Witte M, Heemsbergen W, Pos F, Vens C, Aluwini S, Incrocci L. OC-0258: Linear-quadratic modeling of acute rectum toxicity in a prostate hypo-fractionation trial. Radiother Oncol 2016. [DOI: 10.1016/s0167-8140(16)31507-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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22
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Heemsbergen W, Incrocci L, Vens C, Witte M, Aluwini S, Pos F. OC-0339: More acute proctitis symptoms with hypofractionation (3.4 Gy) than 2 Gy fractions. Radiother Oncol 2016. [DOI: 10.1016/s0167-8140(16)31588-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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23
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Reiner J, Hsieh CJ, Straarup C, Bodammer P, Schäffler H, Graepler F, Stüker D, Kratt T, Linnebacher M, Nadalin S, Witte M, Königsrainer A, Lamprecht G. After Intestinal Transplantation Kidney Function Is Impaired by Downregulation of Epithelial Ion Transporters in the Ileum. Transplant Proc 2016; 48:499-506. [DOI: 10.1016/j.transproceed.2015.12.068] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Accepted: 12/29/2015] [Indexed: 12/18/2022]
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Witte M, Gerstmann U, Neuba A, Henkel G, Schmidt WG. Density functional theory of the CuA
-like Cu2
S2
diamond core in Cu
2II(NGuaS)2
Cl2. J Comput Chem 2016; 37:1005-18. [DOI: 10.1002/jcc.24289] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Revised: 11/30/2015] [Accepted: 12/02/2015] [Indexed: 11/07/2022]
Affiliation(s)
- M. Witte
- Department of Physics, Lehrstuhl Für Theoretische Materialphysik, Universität Paderborn; Paderborn 33098 Germany
| | - U. Gerstmann
- Department of Physics, Lehrstuhl Für Theoretische Materialphysik, Universität Paderborn; Paderborn 33098 Germany
| | - A. Neuba
- Department of Chemistry, Lehrstuhl Für Anorganische Chemie, Universität Paderborn; Paderborn 33098 Germany
| | - G. Henkel
- Department of Chemistry, Lehrstuhl Für Anorganische Chemie, Universität Paderborn; Paderborn 33098 Germany
| | - W. G. Schmidt
- Department of Physics, Lehrstuhl Für Theoretische Materialphysik, Universität Paderborn; Paderborn 33098 Germany
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Slooten E, Witte M, Van der Bijl E, Van Herk M, Damen E. OC-0315: Probabilistic planning for liver SBRT. Radiother Oncol 2015. [DOI: 10.1016/s0167-8140(15)40313-5] [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: 11/28/2022]
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26
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Mann P, Witte M, Armbruster S, Runz A, Lang C, Breithaupt M, Berger M, Biederer J, Karger CP, Moser T. Feasibility of polymer gel dosimetry measurements in a dynamic porcine lung phantom. ACTA ACUST UNITED AC 2015. [DOI: 10.1088/1742-6596/573/1/012079] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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27
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Bsibsi M, Peferoen L, Holtman I, Nacken P, Gerritsen W, Witte M, Van Horssen J, Eggen B, Van Der Valk P, Amor S, Van Noort J. Demyelination during multiple sclerosis is associated with combined activation of microglia and macrophages by IFN-gamma and alpha B-crystallin. J Neuroimmunol 2014. [DOI: 10.1016/j.jneuroim.2014.08.291] [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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28
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Kaal S, Manten-Horst E, Jansen R, Witte M, Van AB, Bexkens R, Boland J, Prins J, Engelen L, Servaes P, Bogemann L, van der Velden W, Hendriks I, Schreuder H, van der Geest I, Sedelaar J, Beerendonk C, Bonenkamp J, Dronkers M, van der Graaf W. Adolescent and Young Adult Cancer Patient (Ayas) Participation As Driver of a New “Aya Proof” Cancer Care Concept. Ann Oncol 2014. [DOI: 10.1093/annonc/mdu353.23] [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: 11/12/2022] Open
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29
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Kühn F, Philipp M, Klar E, Witte M. [Treatment of a subsequently detected, iatrogenic colonic perforation via minimal-invasive rendezvous procedure]. Z Gastroenterol 2014; 52:818-20. [PMID: 25111722 DOI: 10.1055/s-0034-1366615] [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] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Laparoscopic surgery as primary therapeutical option for iatrogenic colonic perforation after colonoscopy can be complemented by intraoparative colonoscopy in order to detect and treat even difficult accessible lesions. Via the presented method minimal invasisve detection and therapy of perforation can be conducted safely and can lead to reduction of morbidity.
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30
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Lamprecht G, Pape UF, Witte M, Pascher A. S3-Leitlinie der Deutschen Gesellschaft für Ernährungsmedizin e. V. in Zusammenarbeit mit der AKE, der GESKES und der DGVS. Aktuel Ernahrungsmed 2014. [DOI: 10.1055/s-0034-1369922] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- G. Lamprecht
- Universitätsmedizin Rostock, Zentrum Innere Medizin, Abteilung Gastroenterologie und Endokrinologie, Rostock, Deutschland
| | - U.-F. Pape
- Charité, Campus Virchow, Interdisziplinäres Zentrum für intestinale Rehabilitation und Darmtransplantation, Klinik für Innere Medizin m. S. Gastroenterologie und Hepatologie, Berlin, Deutschland
| | - M. Witte
- Universitätsmedizin Rostock, Chirurgische Klinik und Poliklinik, Abteilung für Allgemeine, Thorax-, Gefäß- und Transplantationschirurgie, Rostock, Deutschland
| | - A. Pascher
- Charité, Campus Virchow, Interdisziplinäres Zentrum für intestinale Rehabilitation und Darmtransplantation, Klinik für Allgemein-, Viszeral- und Transplantationschirurgie, Berlin, Deutschland
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Wilhelm D, Reiser S, Kohn N, Witte M, Leiner U, Mühlbach L, Ruschin D, Reiner W, Feussner H. Comparative evaluation of HD 2D/3D laparoscopic monitors and benchmarking to a theoretically ideal 3D pseudodisplay: even well-experienced laparoscopists perform better with 3D. Surg Endosc 2014; 28:2387-97. [DOI: 10.1007/s00464-014-3487-9] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2013] [Accepted: 02/14/2014] [Indexed: 02/06/2023]
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32
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Witte M, Reinert T, Dietz B, Nerlich J, Rübsamen R, Milenkovic I. Depolarizing chloride gradient in developing cochlear nucleus neurons: Underlying mechanism and implication for calcium signaling. Neuroscience 2014; 261:207-22. [DOI: 10.1016/j.neuroscience.2013.12.050] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Revised: 12/16/2013] [Accepted: 12/23/2013] [Indexed: 11/24/2022]
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He BJ, Nolte G, Nagata K, Takano D, Yamazaki T, Fujimaki Y, Maeda T, Satoh Y, Heckers S, George MS, Lopes da Silva F, de Munck JC, Van Houdt PJ, Verdaasdonk RM, Ossenblok P, Mullinger K, Bowtell R, Bagshaw AP, Keeser D, Karch S, Segmiller F, Hantschk I, Berman A, Padberg F, Pogarell O, Scharnowski F, Karch S, Hümmer S, Keeser D, Paolini M, Kirsch V, Koller G, Rauchmann B, Kupka M, Blautzik J, Pogarell O, Razavi N, Jann K, Koenig T, Kottlow M, Hauf M, Strik W, Dierks T, Gotman J, Vulliemoz S, Lu Y, Zhang H, Yang L, Worrell G, He B, Gruber O, Piguet C, Hubl D, Homan P, Kindler J, Dierks T, Kim K, Steinhoff U, Wakai R, Koenig T, Kottlow M, Melie-García L, Mucci A, Volpe U, Prinster A, Salvatore M, Galderisi S, Linden DEJ, Brandeis D, Schroeder CE, Kayser C, Panzeri S, Kleinschmidt A, Ritter P, Walther S, Haueisen J, Lau S, Flemming L, Sonntag H, Maess B, Knösche TR, Lanfer B, Dannhauer M, Wolters CH, Stenroos M, Haueisen J, Wolters C, Aydin U, Lanfer B, Lew S, Lucka F, Ruthotto L, Vorwerk J, Wagner S, Ramon C, Guan C, Ang KK, Chua SG, Kuah WK, Phua KS, Chew E, Zhou H, Chuang KH, Ang BT, Wang C, Zhang H, Yang H, Chin ZY, Yu H, Pan Y, Collins L, Mainsah B, Colwell K, Morton K, Ryan D, Sellers E, Caves K, Throckmorton S, Kübler A, Holz EM, Zickler C, Sellers E, Ryan D, Brown K, Colwell K, Mainsah B, Caves K, Throckmorton S, Collins L, Wennberg R, Ahlfors SP, Grova C, Chowdhury R, Hedrich T, Heers M, Zelmann R, Hall JA, Lina JM, Kobayashi E, Oostendorp T, van Dam P, Oosterhof P, Linnenbank A, Coronel R, van Dessel P, de Bakker J, Rossion B, Jacques C, Witthoft N, Weiner KS, Foster BL, Miller KJ, Hermes D, Parvizi J, Grill-Spector K, Recanzone GH, Murray MM, Haynes JD, Richiardi J, Greicius M, De Lucia M, Müller KR, Formisano E, Smieskova R, Schmidt A, Bendfeldt K, Walter A, Riecher-Rössler A, Borgwardt S, Fusar-Poli P, Eliez S, Schmidt A, Sekihara K, Nagarajan SS, Schoffelen JM, Guggisberg AG, Nolte G, Balazs S, Kermanshahi K, Kiesenhofer W, Binder H, Rattay F, Antal A, Chaieb L, Paulus W, Bodis-Wollner I, Maurer K, Fein G, Camchong J, Johnstone J, Cardenas-Nicolson V, Fiederer LDJ, Lucka F, Yang S, Vorwerk J, Dümpelmann M, Cosandier-Rimélé D, Schulze-Bonhage A, Aertsen A, Speck O, Wolters CH, Ball T, Fuchs M, Wagner M, Kastner J, Tech R, Dinh C, Haueisen J, Baumgarten D, Hämäläinen MS, Lau S, Vogrin SJ, D'Souza W, Haueisen J, Cook MJ, Custo A, Van De Ville D, Vulliemoz S, Grouiller F, Michel CM, Malmivuo J, Aydin U, Vorwerk J, Küpper P, Heers M, Kugel H, Wellmer J, Kellinghaus C, Scherg M, Rampp S, Wolters C, Storti SF, Boscolo Galazzo I, Del Felice A, Pizzini FB, Arcaro C, Formaggio E, Mai R, Manganotti P, Koessler L, Vignal J, Cecchin T, Colnat-Coulbois S, Vespignani H, Ramantani G, Maillard L, Rektor I, Kuba R, Brázdil M, Chrastina J, Rektorova I, van Mierlo P, Carrette E, Strobbe G, Montes-Restrepo V, Vonck K, Vandenberghe S, Ahmed B, Brodely C, Carlson C, Kuzniecky R, Devinsky O, French J, Thesen T, Bénis D, David O, Lachaux JP, Seigneuret E, Krack P, Fraix V, Chabardès S, Bastin J, Jann K, Gee D, Kilroy E, Cannon T, Wang DJ, Hale JR, Mayhew SD, Przezdzik I, Arvanitis TN, Bagshaw AP, Plomp G, Quairiaux C, Astolfi L, Michel CM, Mayhew SD, Mullinger KJ, Bagshaw AP, Bowtell R, Francis ST, Schouten AC, Campfens SF, van der Kooij H, Koles Z, Lind J, Flor-Henry P, Wirth M, Haase CM, Villeneuve S, Vogel J, Jagust WJ, Kambeitz-Ilankovic L, Simon-Vermot L, Gesierich B, Duering M, Ewers M, Rektorova I, Krajcovicova L, Marecek R, Mikl M, Bracht T, Horn H, Strik W, Federspiel A, Schnell S, Höfle O, Stegmayer K, Wiest R, Dierks T, Müller TJ, Walther S, Surmeli T, Ertem A, Eralp E, Kos IH, Skrandies W, Flüggen S, Klein A, Britz J, Díaz Hernàndez L, Ro T, Michel CM, Lenartowicz A, Lau E, Rodriguez C, Cohen MS, Loo SK, Di Lorenzo G, Pagani M, Monaco L, Daverio A, Giannoudas I, La Porta P, Verardo AR, Niolu C, Fernandez I, Siracusano A, Flor-Henry P, Lind J, Koles Z, Bollmann S, Ghisleni C, O'Gorman R, Poil SS, Klaver P, Michels L, Martin E, Ball J, Eich-Höchli D, Brandeis D, Salisbury DF, Murphy TK, Butera CD, Mathalon DH, Fryer SL, Kiehl KA, Calhoun VC, Pearlson GD, Roach BJ, Ford JM, McGlashan TH, Woods SW, Volpe U, Merlotti E, Vignapiano A, Montefusco V, Plescia GM, Gallo O, Romano P, Mucci A, Galderisi S, Mingoia G, Langbein K, Dietzek M, Wagner G, Smesny, Scherpiet S, Maitra R, Gaser C, Sauer H, Nenadic I, Gonzalez Andino S, Grave de Peralta Menendez R, Grave de Peralta Menendez R, Sanchez Vives M, Rebollo B, Gonzalez Andino S, Frølich L, Andersen TS, Mørup M, Belfiore P, Gargiulo P, Ramon C, Vanhatalo S, Cho JH, Vorwerk J, Wolters CH, Knösche TR, Watanabe T, Kawabata Y, Ukegawa D, Kawabata S, Adachi Y, Sekihara K, Sekihara K, Nagarajan SS, Wagner S, Aydin U, Vorwerk J, Herrmann C, Burger M, Wolters C, Lucka F, Aydin U, Vorwerk J, Burger M, Wolters C, Bauer M, Trahms L, Sander T, Faber PL, Lehmann D, Gianotti LRR, Pascual-Marqui RD, Milz P, Kochi K, Kaneko S, Yamashita S, Yana K, Kalogianni K, Vardy AN, Schouten AC, van der Helm FCT, Sorrentino A, Luria G, Aramini R, Hunold A, Funke M, Eichardt R, Haueisen J, Gómez-Aguilar F, Vázquez-Olvera S, Cordova-Fraga T, Castro-López J, Hernández-Gonzalez MA, Solorio-Meza S, Sosa-Aquino M, Bernal-Alvarado JJ, Vargas-Luna M, Vorwerk J, Magyari L, Ludewig J, Oostenveld R, Wolters CH, Vorwerk J, Engwer C, Ludewig J, Wolters C, Sato K, Nishibe T, Furuya M, Yamashiro K, Yana K, Ono T, Puthanmadam Subramaniyam N, Hyttinen J, Lau S, Güllmar D, Flemming L, Haueisen J, Sonntag H, Vorwerk J, Wolters CH, Grasedyck L, Haueisen J, Maeß B, Freitag S, Graichen U, Fiedler P, Strohmeier D, Haueisen J, Stenroos M, Hauk O, Grigutsch M, Felber M, Maess B, Herrmann B, Strobbe G, van Mierlo P, Vandenberghe S, Strobbe G, Cárdenas-Peña D, Montes-Restrepo V, van Mierlo P, Castellanos-Dominguez G, Vandenberghe S, Lanfer B, Paul-Jordanov I, Scherg M, Wolters CH, Ito Y, Sato D, Kamada K, Kobayashi T, Dalal SS, Rampp S, Willomitzer F, Arold O, Fouladi-Movahed S, Häusler G, Stefan H, Ettl S, Zhang S, Zhang Y, Li H, Kong X, Montes-Restrepo V, Strobbe G, van Mierlo P, Vandenberghe S, Wong DDE, Bidet-Caulet A, Knight RT, Crone NE, Dalal SS, Birot G, Spinelli L, Vulliémoz S, Seeck M, Michel CM, Emory H, Wells C, Mizrahi N, Vogrin SJ, Lau S, Cook MJ, Karahanoglu FI, Grouiller F, Caballero-Gaudes C, Seeck M, Vulliemoz S, Van De Ville D, Spinelli L, Megevand P, Genetti M, Schaller K, Michel C, Vulliemoz S, Seeck M, Genetti M, Tyrand R, Grouiller F, Vulliemoz S, Spinelli L, Seeck M, Schaller K, Michel CM, Grouiller F, Heinzer S, Delattre B, Lazeyras F, Spinelli L, Pittau F, Seeck M, Ratib O, Vargas M, Garibotto V, Vulliemoz S, Vogrin SJ, Bailey CA, Kean M, Warren AE, Davidson A, Seal M, Harvey AS, Archer JS, Papadopoulou M, Leite M, van Mierlo P, Vonck K, Boon P, Friston K, Marinazzo D, Ramon C, Holmes M, Koessler L, Rikir E, Gavaret M, Bartolomei F, Vignal JP, Vespignani H, Maillard L, Centeno M, Perani S, Pier K, Lemieux L, Clayden J, Clark C, Pressler R, Cross H, Carmichael DW, Spring A, Bessemer R, Pittman D, Aghakhani Y, Federico P, Pittau F, Grouiller F, Vulliémoz S, Gotman J, Badier JM, Bénar CG, Bartolomei F, Cruto C, Chauvel P, Gavaret M, Brodbeck V, van Leeuwen T, Tagliazzuchi E, Melloni L, Laufs H, Griskova-Bulanova I, Dapsys K, Klein C, Hänggi J, Jäncke L, Ehinger BV, Fischer P, Gert AL, Kaufhold L, Weber F, Marchante Fernandez M, Pipa G, König P, Sekihara K, Hiyama E, Koga R, Iannilli E, Michel CM, Bartmuss AL, Gupta N, Hummel T, Boecker R, Holz N, Buchmann AF, Blomeyer D, Plichta MM, Wolf I, Baumeister S, Meyer-Lindenberg A, Banaschewski T, Brandeis D, Laucht M, Natahara S, Ueno M, Kobayashi T, Kottlow M, Bänninger A, Koenig T, Schwab S, Koenig T, Federspiel A, Dierks T, Jann K, Natsukawa H, Kobayashi T, Tüshaus L, Koenig T, Kottlow M, Achermann P, Wilson RS, Mayhew SD, Assecondi S, Arvanitis TN, Bagshaw AP, Darque A, Rihs TA, Grouiller F, Lazeyras F, Ha-Vinh Leuchter R, Caballero C, Michel CM, Hüppi PS, Hauser TU, Hunt LT, Iannaccone R, Stämpfli P, Brandeis D, Dolan RJ, Walitza S, Brem S, Graichen U, Eichardt R, Fiedler P, Strohmeier D, Freitag S, Zanow F, Haueisen J, Lordier L, Grouiller F, Van de Ville D, Sancho Rossignol A, Cordero I, Lazeyras F, Ansermet F, Hüppi P, Schläpfer A, Rubia K, Brandeis D, Di Lorenzo G, Pagani M, Monaco L, Daverio A, Giannoudas I, Verardo AR, La Porta P, Niolu C, Fernandez I, Siracusano A, Tamura K, Karube C, Mizuba T, Matsufuji M, Takashima S, Iramina K, Assecondi S, Ostwald D, Bagshaw AP, Marecek R, Brazdil M, Lamos M, Slavícek T, Marecek R, Jan J, Meier NM, Perrig W, Koenig T, Minami T, Noritake Y, Nakauchi S, Azuma K, Minami T, Nakauchi S, Rodriguez C, Lenartowicz A, Cohen MS, Rodriguez C, Lenartowicz A, Cohen MS, Iramina K, Kinoshita H, Tamura K, Karube C, Kaneko M, Ide J, Noguchi Y, Cohen MS, Douglas PK, Rodriguez CM, Xia HJ, Zimmerman EM, Konopka CJ, Epstein PS, Konopka LM, Giezendanner S, Fisler M, Soravia L, Andreotti J, Wiest R, Dierks T, Federspiel A, Razavi N, Federspiel A, Dierks T, Hauf M, Jann K, Kamada K, Sato D, Ito Y, Okano K, Mizutani N, Kobayashi T, Thelen A, Murray M, Pastena L, Formaggio E, Storti SF, Faralli F, Melucci M, Gagliardi R, Ricciardi L, Ruffino G, Coito A, Macku P, Tyrand R, Astolfi L, He B, Wiest R, Seeck M, Michel C, Plomp G, Vulliemoz S, Fischmeister FPS, Glaser J, Schöpf V, Bauer H, Beisteiner R, Deligianni F, Centeno M, Carmichael DW, Clayden J, Mingoia G, Langbein K, Dietzek M, Wagner G, Smesny S, Scherpiet S, Maitra R, Gaser C, Sauer H, Nenadic I, Dürschmid S, Zaehle T, Pannek H, Chang HF, Voges J, Rieger J, Knight RT, Heinze HJ, Hinrichs H, Tsatsishvili V, Cong F, Puoliväli T, Alluri V, Toiviainen P, Nandi AK, Brattico E, Ristaniemi T, Grieder M, Crinelli RM, Jann K, Federspiel A, Wirth M, Koenig T, Stein M, Wahlund LO, Dierks T, Atsumori H, Yamaguchi R, Okano Y, Sato H, Funane T, Sakamoto K, Kiguchi M, Tränkner A, Schindler S, Schmidt F, Strauß M, Trampel R, Hegerl U, Turner R, Geyer S, Schönknecht P, Kebets V, van Assche M, Goldstein R, van der Meulen M, Vuilleumier P, Richiardi J, Van De Ville D, Assal F, Wozniak-Kwasniewska A, Szekely D, Harquel S, Bougerol T, David O, Bracht T, Jones DK, Horn H, Müller TJ, Walther S, Sos P, Klirova M, Novak T, Brunovsky M, Horacek J, Bares M, Hoschl C C, Fellhauer I, Zöllner FG, Schröder J, Kong L, Essig M, Schad LR, Arrubla J, Neuner I, Hahn D, Boers F, Shah NJ, Neuner I, Arrubla J, Hahn D, Boers F, Jon Shah N, Suriya Prakash M, Sharma R, Kawaguchi H, Kobayashi T, Fiedler P, Griebel S, Biller S, Fonseca C, Vaz F, Zentner L, Zanow F, Haueisen J, Rochas V, Rihs T, Thut G, Rosenberg N, Landis T, Michel C, Moliadze V, Schmanke T, Lyzhko E, Bassüner S, Freitag C, Siniatchkin M, Thézé R, Guggisberg AG, Nahum L, Schnider A, Meier L, Friedrich H, Jann K, Landis B, Wiest R, Federspiel A, Strik W, Dierks T, Witte M, Kober SE, Neuper C, Wood G, König R, Matysiak A, Kordecki W, Sieluzycki C, Zacharias N, Heil P, Wyss C, Boers F, Arrubla J, Dammers J, Kawohl W, Neuner I, Shah NJ, Braboszcz C, Cahn RB, Levy J, Fernandez M, Delorme A, Rosas-Martinez L, Milne E, Zheng Y, Urakami Y, Kawamura K, Washizawa Y, Hiyoshi K, Cichocki A, Giroud N, Dellwo V, Meyer M, Rufener KS, Liem F, Dellwo V, Meyer M, Jones-Rounds JD, Raizada R, Staljanssens W, Strobbe G, van Mierlo P, Van Holen R, Vandenberghe S, Pefkou M, Becker R, Michel C, Hervais-Adelman A, He W, Brock J, Johnson B, Ohla K, Hitz K, Heekeren K, Obermann C, Huber T, Juckel G, Kawohl W, Gabriel D, Comte A, Henriques J, Magnin E, Grigoryeva L, Ortega JP, Haffen E, Moulin T, Pazart L, Aubry R, Kukleta M, Baris Turak B, Louvel J, Crespo-Garcia M, Cantero JL, Atienza M, Connell S, Kilborn K, Damborská A, Brázdil M, Rektor I, Kukleta M, Koberda JL, Bienkiewicz A, Koberda I, Koberda P, Moses A, Tomescu M, Rihs T, Britz J, Custo A, Grouiller F, Schneider M, Debbané M, Eliez S, Michel C, Wang GY, Kydd R, Wouldes TA, Jensen M, Russell BR, Dissanayaka N, Au T, Angwin A, O'Sullivan J, Byrne G, Silburn P, Marsh R, Mellic G, Copland D, Bänninger A, Kottlow M, Díaz Hernàndez L, Koenig T, Díaz Hernàndez L, Bänninger A, Koenig T, Hauser TU, Iannaccone R, Mathys C, Ball J, Drechsler R, Brandeis D, Walitza S, Brem S, Boeijinga PH, Pang EW, Valica T, Macdonald MJ, Oh A, Lerch JP, Anagnostou E, Di Lorenzo G, Pagani M, Monaco L, Daverio A, Verardo AR, Giannoudas I, La Porta P, Niolu C, Fernandez I, Siracusano A, Shimada T, Matsuda Y, Monkawa A, Monkawa T, Hashimoto R, Watanabe K, Kawasaki Y, Matsuda Y, Shimada T, Monkawa T, Monkawa A, Watanabe K, Kawasaki Y, Stegmayer K, Horn H, Federspiel A, Razavi N, Bracht T, Laimböck K, Strik W, Dierks T, Wiest R, Müller TJ, Walther S, Koorenhof LJ, Swithenby SJ, Martins-Mourao A, Rihs TA, Tomescu M, Song KW, Custo A, Knebel JF, Murray M, Eliez S, Michel CM, Volpe U, Merlotti E, Vignapiano A, Montefusco V, Plescia GM, Gallo O, Romano P, Mucci A, Galderisi S, Laimboeck K, Jann K, Walther S, Federspiel A, Wiest R, Strik W, Horn H. Abstracts of Presentations at the International Conference on Basic and Clinical Multimodal Imaging (BaCI), a Joint Conference of the International Society for Neuroimaging in Psychiatry (ISNIP), the International Society for Functional Source Imaging (ISFSI), the International Society for Bioelectromagnetism (ISBEM), the International Society for Brain Electromagnetic Topography (ISBET), and the EEG and Clinical Neuroscience Society (ECNS), in Geneva, Switzerland, September 5-8, 2013. Clin EEG Neurosci 2013; 44:1550059413507209. [PMID: 24368763 DOI: 10.1177/1550059413507209] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- B J He
- National Institutes of Health, Bethesda, MD, USA
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Rohrmüller M, Herres-Pawlis S, Witte M, Schmidt WG. Bis-μ-oxo and μ-η2:η2-peroxo dicopper complexes studied within (time-dependent) density-functional and many-body perturbation theory. J Comput Chem 2013; 34:1035-45. [DOI: 10.1002/jcc.23230] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2012] [Revised: 12/13/2012] [Accepted: 12/14/2012] [Indexed: 02/03/2023]
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Bellini C, Ergaz Z, Radicioni M, Forner-Cordero I, Witte M, Perotti G, Figar T, Tubaldi L, Camerini P, Bar-Oz B, Yatsiv I, Arad I, Traverso F, Bellini T, Boccardo F, Campisi C, Dalmonte P, Vercellino N, Manikanti S, Bonioli E. Congenital fetal and neonatal visceral chylous effusions: neonatal chylothorax and chylous ascites revisited. A multicenter retrospective study. Lymphology 2012; 45:91-102. [PMID: 23342929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
This retrospective study was carried out at eight Neonatal Intensive Care Units (NICU) Centers worldwide on 33 newborns presenting at birth with pleural, pericardial, or abdominal chylous effusions. Diagnosis of chylous effusion is based on findings of fluid with a milk-like appearance, a concentration of triglycerides in pleural effusion >1.1 mmol/l, and a total cell count >1,000 cells/ml with a predominance of >80% lymphocytes. Thirty-three newborns met the inclusion criteria and were studied. Six subjects who presented at birth with fetal effusion were treated by in-utero pleuro-amniotic shunt. Five of these patients are alive at follow-up. At birth, pleural drainage was performed in 29/33 patients and abdominal drainage was carried out in 3/33. Total parenteral nutrition (TPN) was given to 32/33 patients; 19/23 patients were fed a medium-chain triglycerides (MCT). No adverse effects were observed. Eight patients were treated with Octreotide at dosages ranging from 1 to 7 mcg/kg/hour for 8 to 35 days. All patients showed decreased chylous production. Two patients were treated by pleurodesis. Twenty-two babies are alive after at least 6 months follow-up, 9/33 are deceased, and 2 were lost to follow-up. Clinical conditions of survivors are basically good except for lung involvement [chronic lung disease (CLD) or lung lymphangiectasia] and lymphedema. All patients were using a MCT diet at follow-up with good control of chylous effusion. Visceral chylous effusions of the fetus and neonate are rare disorders, and there currently is only partial agreement on decision-making strategies. We suggest the need for an international prospective trial in an effort to establish the efficacy and effectiveness of diagnostic and therapeutic options described in this article.
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Affiliation(s)
- C Bellini
- Neonatal Intensive Care Unit, Department of Pediatrics, University of Genoa, IRCCS Gaslini, Genoa, Italy.
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Janssen T, Bohoslavsky R, van Kranen S, Damen E, van Herk M, van Vliet-Vroegindeweij C, Witte M. OC-0380 PLANNED DOSE, EXPECTED DOSE AND DELIVERED DOSE: THE BENEFIT OF PROBABILISTIC POPULATION BASED PLAN EVALUATION. Radiother Oncol 2012. [DOI: 10.1016/s0167-8140(12)70719-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Fontanarosa D, van der Laan H, Witte M, Shakirin G, Roelofs E, Langendijk J, van Herk M, Lambin P. PO-0723 POSSIBLE ADVANTAGES OF PROBABILISTIC PLANNING FOR HEAD AND NECK CANCER. Radiother Oncol 2012. [DOI: 10.1016/s0167-8140(12)71056-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Miersch L, Hanke W, Wieskotten S, Hanke FD, Oeffner J, Leder A, Brede M, Witte M, Dehnhardt G. Flow sensing by pinniped whiskers. Philos Trans R Soc Lond B Biol Sci 2012; 366:3077-84. [PMID: 21969689 DOI: 10.1098/rstb.2011.0155] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Beside their haptic function, vibrissae of harbour seals (Phocidae) and California sea lions (Otariidae) both represent highly sensitive hydrodynamic receptor systems, although their vibrissal hair shafts differ considerably in structure. To quantify the sensory performance of both hair types, isolated single whiskers were used to measure vortex shedding frequencies produced in the wake of a cylinder immersed in a rotational flow tank. These measurements revealed that both whisker types were able to detect the vortex shedding frequency but differed considerably with respect to the signal-to-noise ratio (SNR). While the signal detected by sea lion whiskers was substantially corrupted by noise, harbour seal whiskers showed a higher SNR with largely reduced noise. However, further analysis revealed that in sea lion whiskers, each noise signal contained a dominant frequency suggested to function as a characteristic carrier signal. While in harbour seal whiskers the unique surface structure explains its high sensitivity, this more or less steady fundamental frequency might represent the mechanism underlying hydrodynamic reception in the fast swimming sea lion by being modulated in response to hydrodynamic stimuli impinging on the hair.
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Affiliation(s)
- L Miersch
- Biosciences, Sensory and Cognitive Ecology, University of Rostock, Albert-Einstein-Strasse 3, 18059 Rostock, Germany
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van Amsterdam J, Sleijffers A, van Spiegel P, Blom R, Witte M, van de Kassteele J, Blokland M, Steerenberg P, Opperhuizen A. Effect of ammonia in cigarette tobacco on nicotine absorption in human smokers. Food Chem Toxicol 2011; 49:3025-30. [PMID: 22001171 DOI: 10.1016/j.fct.2011.09.037] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2011] [Revised: 09/28/2011] [Accepted: 09/29/2011] [Indexed: 10/16/2022]
Abstract
The function of ammonia as tobacco additive is subject of scientific debate. It is argued that ammonia, by increasing the proportion of free nicotine, increases the absorption of nicotine in smokers. As a result of the addition of ammonia to cigarettes, smokers get exposed to higher internal nicotine doses and become more addicted to the product. On two occasions, the nicotine absorption in blood was measured after smoking a commercial cigarette of either brand 1 or brand 2, which differed 3.8-fold in ammonium salt content. Using a standardized smoking regime (six puffs, 30 s puff interval, 7 s breath hold before exhalation), 51 regular smokers smoked brand 1 (Caballero Smooth Flavor; 0.89 mg ammonium per gram tobacco) and brand 2 (Gauloise Brunes; 3.43 mg ammonium per gram tobacco). Puff volumes and cardiovascular parameters were monitored during and following smoking, respectively. Measurement of serum nicotine level in the blood samples collected over time following smoking of the two brands, showed that total amount of nicotine absorbed did not differ between the two brands. Present results demonstrate that smoking tobacco containing a higher amount of the tobacco additive ammonium does not increase the absorption of nicotine in the smoker's body.
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Affiliation(s)
- Jan van Amsterdam
- National Institute of Public Health and the Environment (RIVM), PO Box 1, 3720 BA Bilthoven, The Netherlands.
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Witte M, van de Kamer J, Houweling A, Rasch C, van Herk M. 314 oral PROBABILISTIC DOSE PAINTING BY NUMBERS: COMPARING ACTUAL WITH PRESCRIBED DOSE USING THE VH. Radiother Oncol 2011. [DOI: 10.1016/s0167-8140(11)70436-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Cazoulal G, Witte M, van Herk M. 176 oral DOSE MAPPING BASED ON DEFORMABLE REGISTRATION TO RELATE DOSE OUTSIDE THE PROSTATE WITH FAILURE. Radiother Oncol 2011. [DOI: 10.1016/s0167-8140(11)70298-5] [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: 10/18/2022]
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Bohoslavsky R, Witte M, Janssen T, van Herk M. 413 poster REDUCING TRIAL-AND-ERROR WITH PROBABILISTIC IMRT PLANNING FOR PROSTATE CANCER. Radiother Oncol 2011. [DOI: 10.1016/s0167-8140(11)70535-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Van Doorn R, Van Horssen J, Verzijl D, Witte M, Ronken E, Van Het Hof B, Lakeman K, Dijkstra CD, Van Der Valk P, Reijerkerk A, Alewijnse AE, Peters SLM, De Vries HE. Sphingosine 1-phosphate receptor 1 and 3 are upregulated in multiple sclerosis lesions. Glia 2010; 58:1465-76. [PMID: 20648639 DOI: 10.1002/glia.21021] [Citation(s) in RCA: 152] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Sphingolipids are a class of biologically active lipids that have a role in multiple biological processes including inflammation. Sphingolipids exert their functions by direct signaling or through signaling by their specific receptors. Phosphorylated FTY720 (FTY720P) is a sphingosine 1-phosphate (S1P) analogue that is currently in trial for treatment of multiple sclerosis (MS), which targets all S1P receptors but S1P(2). To date, however, it remains unknown whether FTY720P may exert direct anti-inflammatory effects within the central nervous system (CNS), because data concerning S1P receptor expression and regulation under pathological conditions in the human brain are lacking. To investigate potential regulation of S1P receptors in the human brain during MS, we performed immunohistochemical analysis of S1P receptor 1 and 3 expression in well-characterized MS lesions. A strong increase in S1P receptor 1 and 3 expression on reactive astrocytes was detected in active and chronic inactive MS lesions. In addition, we treated primary cultures of human astrocytes with the proinflammatory cytokine tumor necrosis factor-alpha to identify the regulation of S1P(1/3) on astrocytes under pathological conditions. Importantly, we demonstrate that FTY720P exerts an anti-inflammatory action on human astrocytes by limiting secretion of proinflammatory cytokines. Our data demonstrate that reactive astrocytes in MS lesions and cultured under proinflammatory conditions strongly enhance expression of S1P receptors 1 and 3. Results from this study indicate that astrocytes may act as a yet-unknown target within the CNS for the anti-inflammatory effects observed after FTY720P administration in the treatment of MS.
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Affiliation(s)
- Ruben Van Doorn
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands
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Möbius E, Bochsler P, Bzowski M, Crew GB, Funsten HO, Fuselier SA, Ghielmetti A, Heirtzler D, Izmodenov VV, Kubiak M, Kucharek H, Lee MA, Leonard T, McComas DJ, Petersen L, Saul L, Scheer JA, Schwadron N, Witte M, Wurz P. Direct observations of interstellar H, He, and O by the Interstellar Boundary Explorer. Science 2009; 326:969-71. [PMID: 19833917 DOI: 10.1126/science.1180971] [Citation(s) in RCA: 111] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Neutral gas of the local interstellar medium flows through the inner solar system while being deflected by solar gravity and depleted by ionization. The dominating feature in the energetic neutral atom Interstellar Boundary Explorer (IBEX) all-sky maps at low energies is the hydrogen, helium, and oxygen interstellar gas flow. The He and O flow peaked around 8 February 2009 in accordance with gravitational deflection, whereas H dominated after 26 March 2009, consistent with approximate balance of gravitational attraction by solar radiation pressure. The flow distributions arrive from a few degrees above the ecliptic plane and show the same temperature for He and O. An asymmetric O distribution in ecliptic latitude points to a secondary component from the outer heliosheath.
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Affiliation(s)
- E Möbius
- Space Science Center and Department of Physics, University of New Hampshire, Durham, NH 03824, USA.
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Witte M, Petit S, Dekker A, Lambin P, van Herk M. PROBABILISTIC BIOLOGICAL TREATMENT PLANNING FOR NSCLC BASED ON FDG-PET. Radiother Oncol 2009. [DOI: 10.1016/s0167-8140(12)73135-3] [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: 11/17/2022]
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Bohoslavsky R, Witte M, van Herk M. PROBABILISTIC OBJECTIVES FOR IMRT TREATMENT PLANNING USING PINNACLE. Radiother Oncol 2009. [DOI: 10.1016/s0167-8140(12)72813-x] [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: 11/27/2022]
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Witte M, van der Heiden L, Birbaumer N, Mehring C, Braun C. Combining adaptive classification and human learning for detection of hand movement direction in an MEG-BCI. Neuroimage 2009. [DOI: 10.1016/s1053-8119(09)71210-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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de Vries HE, Witte M, Hondius D, Rozemuller AJM, Drukarch B, Hoozemans J, van Horssen J. Nrf2-induced antioxidant protection: a promising target to counteract ROS-mediated damage in neurodegenerative disease? Free Radic Biol Med 2008; 45:1375-83. [PMID: 18824091 DOI: 10.1016/j.freeradbiomed.2008.09.001] [Citation(s) in RCA: 339] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2008] [Revised: 09/03/2008] [Accepted: 09/03/2008] [Indexed: 01/17/2023]
Abstract
Neurodegenerative diseases share various pathological features, such as accumulation of aberrant protein aggregates, microglial activation, and mitochondrial dysfunction. These pathological processes are associated with generation of reactive oxygen species (ROS), which cause oxidative stress and subsequent damage to essential molecules, such as lipids, proteins, and DNA. Hence, enhanced ROS production and oxidative injury play a cardinal role in the onset and progression of neurodegenerative disorders. To maintain a proper redox balance, the central nervous system is endowed with an antioxidant defense mechanism consisting of endogenous antioxidant enzymes. Expression of most antioxidant enzymes is tightly controlled by the antioxidant response element (ARE) and is activated by nuclear factor E2-related factor 2 (Nrf2). In past years reports have highlighted the protective effects of Nrf2 activation in reducing oxidative stress in both in vitro and in vivo models of neurodegenerative disorders. Here we provide an overview of the involvement of ROS-induced oxidative damage in Alzheimer's disease, Parkinson's disease, and Huntington's disease and we discuss the potential therapeutic effects of antioxidant enzymes and compounds that activate the Nrf2-ARE pathway.
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Affiliation(s)
- Helga E de Vries
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, 1007 MB Amsterdam, The Netherlands
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Witte M, Schneider C, Heemsbergen W, Lebesque J, van Herk M. WE-C-BRA-03: TCP Model Parameters - Extracting These From Clinical Data on ‘Movable’ Patients. Med Phys 2007. [DOI: 10.1118/1.2761534] [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: 11/07/2022] Open
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