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Habouba N, Talmon R, Kraus D, Farah R, Apter A, Steinberg T, Radhakrishnan R, Barazany D, Horowitz-Kraus T. Parent-child couples display shared neural fingerprints while listening to stories. Sci Rep 2024; 14:2883. [PMID: 38311616 PMCID: PMC10838923 DOI: 10.1038/s41598-024-53518-x] [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: 08/17/2023] [Accepted: 02/01/2024] [Indexed: 02/06/2024] Open
Abstract
Neural fingerprinting is a method to identify individuals from a group of people. Here, we established a new connectome-based identification model and used diffusion maps to show that biological parent-child couples share functional connectivity patterns while listening to stories. These shared fingerprints enabled the identification of children and their biological parents from a group of parents and children. Functional patterns were evident in both cognitive and sensory brain networks. Defining "typical" shared biological parent-child brain patterns may enable predicting or even preventing impaired parent-child connections that develop due to genetic or environmental causes. Finally, we argue that the proposed framework opens new opportunities to link similarities in connectivity patterns to behavioral, psychological, and medical phenomena among other populations. To our knowledge, this is the first study to reveal the neural fingerprint that represents distinct biological parent-child couples.
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Affiliation(s)
- Nir Habouba
- Educational Neuroimaging Group, Faculty of Biomedical Engineering, Faculty of Education in Science and Technology, Technion - Israel Institute of Technology, Haifa, Israel
| | - Ronen Talmon
- Faculty of Electrical and Computer Engineering, Technion - Israel Institute of Technology, Haifa, Israel
| | - Dror Kraus
- The Institute of Child Neurology, Schneider Children's Medical Center of Israel, Petach Tikvah, Israel
| | - Rola Farah
- Educational Neuroimaging Group, Faculty of Biomedical Engineering, Faculty of Education in Science and Technology, Technion - Israel Institute of Technology, Haifa, Israel
| | - Alan Apter
- The Department of Psychological Medicine, Schneider Children's Medical Center of Israel, Petach Tikvah, Israel
| | - Tamar Steinberg
- The Department of Psychological Medicine, Schneider Children's Medical Center of Israel, Petach Tikvah, Israel
| | | | - Daniel Barazany
- The Alfredo Federico Strauss Center for Computational Neuroimaging, Tel Aviv University, Tel Aviv, Israel
| | - Tzipi Horowitz-Kraus
- Educational Neuroimaging Group, Faculty of Biomedical Engineering, Faculty of Education in Science and Technology, Technion - Israel Institute of Technology, Haifa, Israel.
- The Institute of Child Neurology, Schneider Children's Medical Center of Israel, Petach Tikvah, Israel.
- Department of Neuropsychology, Center for Neurodevelopmental and Imaging Research (CNIR), Kennedy Krieger Institute, Baltimore, MD, USA.
- Department of Psychology and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, Vinall L, Vinathan J, Visnjic M, Voigt E, von-Eynatten M, Vourvou M, Wada J, Wada J, Wada T, Wada Y, Wakayama K, Wakita Y, Wallendszus K, Walters T, Wan Mohamad WH, Wang L, Wang W, Wang X, Wang X, Wang Y, Wanner C, Wanninayake S, Watada H, Watanabe K, Watanabe K, Watanabe M, Waterfall H, Watkins D, Watson S, Weaving L, Weber B, Webley Y, Webster A, Webster M, Weetman M, Wei W, Weihprecht H, Weiland L, Weinmann-Menke J, Weinreich T, Wendt R, Weng Y, Whalen M, Whalley G, Wheatley R, Wheeler A, Wheeler J, Whelton P, White K, Whitmore B, Whittaker S, Wiebel J, Wiley J, Wilkinson L, Willett M, Williams A, Williams E, Williams K, Williams T, Wilson A, Wilson P, Wincott L, Wines E, Winkelmann B, Winkler M, Winter-Goodwin B, Witczak J, Wittes J, Wittmann M, Wolf G, Wolf L, Wolfling R, Wong C, Wong E, Wong HS, Wong LW, Wong YH, Wonnacott A, Wood A, Wood L, Woodhouse H, Wooding N, Woodman A, Wren K, Wu J, Wu P, Xia S, Xiao H, Xiao X, Xie Y, Xu C, Xu Y, Xue H, Yahaya H, Yalamanchili H, Yamada A, Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Kraus D, Farah R, Fischer H, Vannest J, Wade SL, Radhakrishnan R, Modi AC, Horowitz-Kraus T. Altered white matter organization and its correlations with executive functioning among adolescents with epilepsy. Eur J Paediatr Neurol 2023; 46:82-88. [PMID: 37540964 DOI: 10.1016/j.ejpn.2023.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 07/09/2023] [Accepted: 07/18/2023] [Indexed: 08/06/2023]
Abstract
Deficits in executive functions (EF) are a common comorbidity among adolescents with epilepsy. EF deficits were previously correlated with altered connectivity of the fronto-parietal and cingulo-opercular neural networks. The current study investigated white matter integrity in adolescents with epilepsy (n = 29) relative to healthy controls (n = 19). Participants completed questionnaires, neuropsychological testing, and brain magnetic resonance imaging (MRI) that included diffusion tensor imaging (DTI) sequences. On BRIEF parent-report questionnaires, adolescents with epilepsy demonstrated lower working memory and planning abilities than healthy controls. Among adolescents with epilepsy, DTI measurements revealed lower fractional anisotropy (FA) within the right superior longitudinal fasciculus, forceps minor, and the superior frontal segment of the corpus callosum, and higher FA in the left uncinate fasciculus, compared to healthy controls. Better working memory ability in the epilepsy group was associated with higher FA in the superior frontal segment of the corpus callosum. Only in healthy controls, working memory and planning were positively associated with FA values in the left UF, forceps minor and the superior frontal segment of the corpus callosum. The current study complements previous functional studies on the same cohort and suggests that EF impairments among adolescents with epilepsy may be related to the altered anatomical organization of white matter tracts. Combining structural and functional data could potentially enrich the neuropsychological assessment of executive functioning in adolescents with epilepsy.
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Affiliation(s)
- Dror Kraus
- Pediatric Neurology Institute, Schneider Children's Medical Center of Israel, Tel Aviv University, Israel
| | - Rola Farah
- Educational Neuroimaging Group, Faculty of Education in Science and Technology, Faculty of Biomedical Engineering, Technion, Haifa, Israel
| | - Haya Fischer
- Educational Neuroimaging Group, Faculty of Education in Science and Technology, Faculty of Biomedical Engineering, Technion, Haifa, Israel
| | - Jennifer Vannest
- Department of Speech and Language Pathology, Cincinnati Children's Hospital Medical Center, USA
| | - Shari L Wade
- Division of Physical Medicine & Rehabilitation, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA; Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Rupa Radhakrishnan
- Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Avani C Modi
- Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Tzipi Horowitz-Kraus
- Educational Neuroimaging Group, Faculty of Education in Science and Technology, Faculty of Biomedical Engineering, Technion, Haifa, Israel; Kennedy Krieger Institute, Baltimore, MD, USA; Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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Engel C, Valence S, Delplancq G, Maroofian R, Accogli A, Agolini E, Alkuraya FS, Baglioni V, Bagnasco I, Becmeur-Lefebvre M, Bertini E, Borggraefe I, Brischoux-Boucher E, Bruel AL, Brusco A, Bubshait DK, Cabrol C, Cilio MR, Cornet MC, Coubes C, Danhaive O, Delague V, Denommé-Pichon AS, Di Giacomo MC, Doco-Fenzy M, Engels H, Cremer K, Gérard M, Gleeson JG, Heron D, Goffeney J, Guimier A, Harms FL, Houlden H, Iacomino M, Kaiyrzhanov R, Kamien B, Karimiani EG, Kraus D, Kuentz P, Kutsche K, Lederer D, Massingham L, Mignot C, Morris-Rosendahl D, Nagarajan L, Odent S, Ormières C, Partlow JN, Pasquier L, Penney L, Philippe C, Piccolo G, Poulton C, Putoux A, Rio M, Rougeot C, Salpietro V, Scheffer I, Schneider A, Srivastava S, Straussberg R, Striano P, Valente EM, Venot P, Villard L, Vitobello A, Wagner J, Wagner M, Zaki MS, Zara F, Lesca G, Yassaee VR, Miryounesi M, Hashemi-Gorji F, Beiraghi M, Ashrafzadeh F, Galehdari H, Walsh C, Novelli A, Tacke M, Sadykova D, Maidyrov Y, Koneev K, Shashkin C, Capra V, Zamani M, Van Maldergem L, Burglen L, Piard J. BRAT1-related disorders: phenotypic spectrum and phenotype-genotype correlations from 97 patients. Eur J Hum Genet 2023; 31:1023-1031. [PMID: 37344571 PMCID: PMC10474045 DOI: 10.1038/s41431-023-01410-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 04/26/2023] [Accepted: 06/07/2023] [Indexed: 06/23/2023] Open
Abstract
BRAT1 biallelic variants are associated with rigidity and multifocal seizure syndrome, lethal neonatal (RMFSL), and neurodevelopmental disorder associating cerebellar atrophy with or without seizures syndrome (NEDCAS). To date, forty individuals have been reported in the literature. We collected clinical and molecular data from 57 additional cases allowing us to study a large cohort of 97 individuals and draw phenotype-genotype correlations. Fifty-nine individuals presented with BRAT1-related RMFSL phenotype. Most of them had no psychomotor acquisition (100%), epilepsy (100%), microcephaly (91%), limb rigidity (93%), and died prematurely (93%). Thirty-eight individuals presented a non-lethal phenotype of BRAT1-related NEDCAS phenotype. Seventy-six percent of the patients in this group were able to walk and 68% were able to say at least a few words. Most of them had cerebellar ataxia (82%), axial hypotonia (79%) and cerebellar atrophy (100%). Genotype-phenotype correlations in our cohort revealed that biallelic nonsense, frameshift or inframe deletion/insertion variants result in the severe BRAT1-related RMFSL phenotype (46/46; 100%). In contrast, genotypes with at least one missense were more likely associated with NEDCAS (28/34; 82%). The phenotype of patients carrying splice variants was variable: 41% presented with RMFSL (7/17) and 59% with NEDCAS (10/17).
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Affiliation(s)
- Camille Engel
- Centre de Génétique Humaine, Centre Hospitalier Régional Universitaire, Université de Franche-Comté, Besançon, France.
| | - Stéphanie Valence
- Service de Neurologie Pédiatrique, Hôpital Armand Trousseau, APHP Sorbonne Université, Paris, France
| | - Geoffroy Delplancq
- Centre de Génétique Humaine, Centre Hospitalier Régional Universitaire, Université de Franche-Comté, Besançon, France
| | - Reza Maroofian
- Department of Neuromuscular Diseases UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Andrea Accogli
- Department of Specialized Medicine, Division of Medical Genetics, McGill University Health Centre, Montreal, QC, Canada
| | - Emanuele Agolini
- Laboratory of Medical Genetics, Translational Cytogenomics Research Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Fowzan S Alkuraya
- Department of Translational Genomics, Center for Genomic Medicine, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Valentina Baglioni
- Department of Human Neurosciences, Institute of Child and Adolescent Neuropsychiatry, Sapienza University of Rome, Rome, Italy
| | - Irene Bagnasco
- Division of Neuropsychiatry, Epilepsy Center for Children, Martini Hospital, 10141, Turin, Italy
| | | | - Enrico Bertini
- Unit of Neuromuscular and Neurodegenerative Disorders, Department of Neurosciences, Bambino Gesù Children's Hospital IRCCS, Rome, Italy
| | - Ingo Borggraefe
- Department of Pediatric Neurology, Developmental Medicine and Social Pediatrics, University of Munich, 80337, Munich, Germany
| | - Elise Brischoux-Boucher
- Centre de Génétique Humaine, Centre Hospitalier Régional Universitaire, Université de Franche-Comté, Besançon, France
| | - Ange-Line Bruel
- UMR 1231 GAD, Inserm, Université de Bourgogne Franche Comté, Dijon, France
- Unité Fonctionnelle Innovation en Diagnostic Génomique des Maladies Rares, FHU-TRANSLAD, CHU Dijon Bourgogne, Dijon, France
| | - Alfredo Brusco
- Department of Medical Sciences, University of Torino, 10126, Turin, Italy
| | - Dalal K Bubshait
- Department of Pediatrics, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Christelle Cabrol
- Centre de Génétique Humaine, Centre Hospitalier Régional Universitaire, Université de Franche-Comté, Besançon, France
| | - Maria Roberta Cilio
- Department of Pediatrics, Division of Pediatric Neurology Saint-Luc University Hospital, and Institute of Neuroscience (IoNS), Catholic University of Louvain, Brussels, Belgium
| | - Marie-Coralie Cornet
- Department of Pediatrics, Division of Neonatology, University of California San Francisco, San Francisco, CA, USA
| | - Christine Coubes
- Département de Génétique Médicale, Maladies Rares et Médecine Personnalisée, Hôpital Arnaud de Villeneuve, CHU de Montpellier, Montpellier, France
| | - Olivier Danhaive
- Division of Neonatology, Saint-Luc university Hospital, and Institut of Clinical and Experimental Research (IREC), Bruxelles, Belgium
| | - Valérie Delague
- Aix Marseille Univ, INSERM, Marseille Medical Genetics Center, MMG, Marseille, France
| | - Anne-Sophie Denommé-Pichon
- UMR 1231 GAD, Inserm, Université de Bourgogne Franche Comté, Dijon, France
- Unité Fonctionnelle Innovation en Diagnostic Génomique des Maladies Rares, FHU-TRANSLAD, CHU Dijon Bourgogne, Dijon, France
| | - Marilena Carmela Di Giacomo
- Medical Genetics Service and Laboratory of Cytogenetics, SIC Anatomia Patologica, "San Carlo" Hospital, 85100, Potenza, Italy
| | - Martine Doco-Fenzy
- CHU Reims, Service de Génétique, Reims, France
- CHU de Nantes, service de génétique médicale, Nantes, France
- L'institut du thorax, INSERM, UNIV Nantes, Nantes, France
| | - Hartmut Engels
- Institute of Human Genetics, University of Bonn, School of Medicine & University Hospital Bonn, Bonn, Germany
| | - Kirsten Cremer
- Institute of Human Genetics, University of Bonn, School of Medicine & University Hospital Bonn, Bonn, Germany
| | - Marion Gérard
- Clinical Genetics, Côte de Nacre University Hospital Center, Caen, France
| | - Joseph G Gleeson
- University of California San Diego, Department of Neurosciences, Rady Children's Institute for Genomic Medicine, San Diego, CA, 92037, USA
| | - Delphine Heron
- Department of Genetics, Pitié-Salpêtrière Hospital, AP-HP, Sorbonne University, Paris, France
| | - Joanna Goffeney
- Service de neuropédiatrie, Centre Hospitalier Régional Universitaire, Université de Franche-Comté, Besançon, France
| | - Anne Guimier
- Service de Médecine Génomique des Maladies Rares, Hôpital Necker Enfants Malades, Institut Imagine et Université Paris-Cité, Paris, France
| | - Frederike L Harms
- Institute of Human Genetics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Henry Houlden
- Department of Neuromuscular Diseases UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Michele Iacomino
- Unit of Medical Genetics, IRCCS Instituto Giannina Gaslini, Genova, Italy
| | - Rauan Kaiyrzhanov
- Department of Neuromuscular Diseases UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Benjamin Kamien
- Genetic Services of Western Australia, King Edward Memorial Hospital, Perth, WA, 6008, Australia
| | - Ehsan Ghayoor Karimiani
- Department of Molecular Genetics, Next Generation Genetic Polyclinic, Mashhad, Iran
- Molecular and Clinical Sciences Institute, St. George's, University of London, Cranmer Terrace, London, SW17 0RE, UK
| | - Dror Kraus
- Department of Neurology, Schneider Children's Medical Center of Israel, Petah Tiqva, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, 6997801, Israel
| | - Paul Kuentz
- UMR 1231 GAD, Inserm, Université de Bourgogne Franche Comté, Dijon, France
- Oncobiologie Génétique Bioinformatique, PCBio, CHU Besançon, Besançon, France
| | - Kerstin Kutsche
- Institute of Human Genetics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Damien Lederer
- Institute for Pathology and Genetics, 6040, Gosselies, Belgium
| | - Lauren Massingham
- Division of Medical Genetics, Department of Pediatrics, Hasbro Children's Hospital, Providence, RI, USA
| | - Cyril Mignot
- APHP, Sorbonne Université, Département de Génétique, Paris, France
- Centre de Référence Déficiences Intellectuelles de Causes Rares, GH Pitié-Salpêtrière/Hôpital Armand Trousseau, Paris, France
| | - Déborah Morris-Rosendahl
- Clinical Genetics and Genomics, Royal Brompton and Harefield NHS Foundation Trust, London, UK
- NHLI, Imperial College London, London, UK
| | - Lakshmi Nagarajan
- Department of Neurology, Perth Children's Hospital, Nedlands, WA, Australia
- University of Western Australia, Nedlands, WA, Australia
| | - Sylvie Odent
- Service de Génétique Clinique, Centre Référence "Déficiences Intellectuelles de causes rares" (CRDI), Centre Référence Anomalies du développement (CLAD-Ouest), CHU Rennes, Univ Rennes, Rennes, France
| | - Clothilde Ormières
- Service de Médecine Génomique des Maladies Rares, Hôpital Necker Enfants Malades, Institut Imagine et Université Paris-Cité, Paris, France
| | - Jennifer Neil Partlow
- Division of Genetics and Genomics and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA, USA
| | - Laurent Pasquier
- Service de Génétique Clinique, Centre Référence "Déficiences Intellectuelles de causes rares" (CRDI), Centre Référence Anomalies du développement (CLAD-Ouest), CHU Rennes, Univ Rennes, Rennes, France
| | - Lynette Penney
- Department of Pediatrics, IWK Health Centre, Dalhousie University, Halifax, NS, Canada
| | - Christophe Philippe
- UMR 1231 GAD, Inserm, Université de Bourgogne Franche Comté, Dijon, France
- Unité Fonctionnelle Innovation en Diagnostic Génomique des Maladies Rares, FHU-TRANSLAD, CHU Dijon Bourgogne, Dijon, France
| | | | - Cathryn Poulton
- Genetic Services of Western Australia, King Edward Memorial Hospital, Perth, WA, 6008, Australia
| | - Audrey Putoux
- Hospices Civils de Lyon, Service de Génétique, Bron, France
- Équipe GENDEV, Centre de Recherche en Neurosciences de Lyon, INSERM U1028 CNRS UMR5292, Université Claude Bernard Lyon 1, Lyon, France
| | - Marlène Rio
- Service de Médecine Génomique des Maladies Rares, Hôpital Necker Enfants Malades, Institut Imagine et Université Paris-Cité, Paris, France
| | | | - Vincenzo Salpietro
- Department of Neuromuscular Diseases UCL Queen Square Institute of Neurology, University College London, London, UK
- IRCCS Giannina Gaslini Institute, Genova, Italy
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
| | - Ingrid Scheffer
- Department of Medicine, Austin Health, The University of Melbourne, Heidelberg, VIC, Australia
- Royal Children's Hospital, Florey Institute and Murdoch Children's Research Institute, Melbourne, VIC, Australia
| | - Amy Schneider
- Department of Medicine, Austin Health, The University of Melbourne, Heidelberg, VIC, Australia
| | | | - Rachel Straussberg
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, 6997801, Israel
| | - Pasquale Striano
- IRCCS Giannina Gaslini Institute, Genova, Italy
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
| | - Enza Maria Valente
- Department of Molecular Medicine, University of Pavia, Pavia, Italy
- Neurogenetics Research Center, IRCCS Mondino Foundation, Pavia, Italy
| | - Perrine Venot
- Neonatal Intensive Care Unit, Institut Alix de Champagne, Reims, France
| | - Laurent Villard
- Aix Marseille Univ, INSERM, Marseille Medical Genetics Center, MMG, Marseille, France
- Département de Génétique Médicale, AP-HM, Hôpital d'Enfants de La Timone, Marseille, France
| | - Antonio Vitobello
- UMR 1231 GAD, Inserm, Université de Bourgogne Franche Comté, Dijon, France
- Unité Fonctionnelle Innovation en Diagnostic Génomique des Maladies Rares, FHU-TRANSLAD, CHU Dijon Bourgogne, Dijon, France
| | - Johanna Wagner
- Department of Pediatric Neurology, Developmental Medicine and Social Pediatrics, University of Munich, 80337, Munich, Germany
| | - Matias Wagner
- Department of Pediatric Neurology, Developmental Medicine and Social Pediatrics, University of Munich, 80337, Munich, Germany
- Institute for Neurogenomics, Helmholtz Center Munich, Neuherberg, Germany
- Institute of Human Genetics, School of Medicine, Technical University Munich, Munich, Germany
| | - Maha S Zaki
- Clinical Genetics Department, Human Genetics and Genome Research Institute, National Research Centre, Cairo, Egypt
| | - Federizo Zara
- IRCCS Giannina Gaslini Institute, Genova, Italy
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Genova, Italy
| | - Gaetan Lesca
- Hospices Civils de Lyon, Service de Génétique, Bron, France
- Pathophysiology and Genetics of Neuron and Muscle (PGNM, UCBL - CNRS UMR5261 - INSERM U1315), Université Claude Bernard Lyon 1, Lyon, France
| | - Vahid Reza Yassaee
- Genomic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Miryounesi
- Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farzad Hashemi-Gorji
- Genomic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehran Beiraghi
- Department of Pediatrics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farah Ashrafzadeh
- Department of Pediatrics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hamid Galehdari
- Department of Biology, Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Christopher Walsh
- Division of Genetics and Genomics and Howard Hughes Medical Institute, Boston Children's Hospital, Boston, MA, USA
| | - Antonio Novelli
- Laboratory of Medical Genetics, Translational Cytogenomics Research Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Moritz Tacke
- Department of Pediatric Neurology, Developmental Medicine and Social Pediatrics, University of Munich, 80337, Munich, Germany
| | | | - Yerdan Maidyrov
- S. D. Asfendiyarov Kazakh National Medical University Almaty, Almaty, Kazakhstan
| | - Kairgali Koneev
- Department of Neurology and Neurosurgery, Asfendiyarov Kazakh National Medical University, Almaty, 050000, Kazakhstan
| | - Chingiz Shashkin
- Department of Neurology, The International Institute of Postraduate Education, Almaty, Kazakhstan
| | - Valeria Capra
- Unit of Medical Genetics, IRCCS Instituto Giannina Gaslini, Genova, Italy
| | - Mina Zamani
- Department of Biology, Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Lionel Van Maldergem
- Centre de Génétique Humaine, Centre Hospitalier Régional Universitaire, Université de Franche-Comté, Besançon, France
| | - Lydie Burglen
- Centre de Référence des Malformations et Maladies Congénitales du Cervelet, Département de Génétique, AP-HP, Sorbonne Université, Hôpital Trousseau, Paris, France
| | - Juliette Piard
- Centre de Génétique Humaine, Centre Hospitalier Régional Universitaire, Université de Franche-Comté, Besançon, France
- UMR 1231 GAD, Inserm, Université de Bourgogne Franche Comté, Dijon, France
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6
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Gelbard-Sagiv H, Pardo S, Getter N, Guendelman M, Benninger F, Kraus D, Shriki O, Ben-Sasson S. Optimizing Electrode Configurations for Wearable EEG Seizure Detection Using Machine Learning. Sensors (Basel) 2023; 23:5805. [PMID: 37447653 DOI: 10.3390/s23135805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/15/2023] [Accepted: 06/19/2023] [Indexed: 07/15/2023]
Abstract
Epilepsy, a prevalent neurological disorder, profoundly affects patients' quality of life due to the unpredictable nature of seizures. The development of a reliable and user-friendly wearable EEG system capable of detecting and predicting seizures has the potential to revolutionize epilepsy care. However, optimizing electrode configurations for such systems, which is crucial for balancing accuracy and practicality, remains to be explored. This study addresses this gap by developing a systematic approach to optimize electrode configurations for a seizure detection machine-learning algorithm. Our approach was applied to an extensive database of prolonged annotated EEG recordings from 158 epilepsy patients. Multiple electrode configurations ranging from one to eighteen were assessed to determine the optimal number of electrodes. Results indicated that the performance was initially maintained as the number of electrodes decreased, but a drop in performance was found to have occurred at around eight electrodes. Subsequently, a comprehensive analysis of all eight-electrode configurations was conducted using a computationally intensive workflow to identify the optimal configurations. This approach can inform the mechanical design process of an EEG system that balances seizure detection accuracy with the ease of use and portability. Additionally, this framework holds potential for optimizing hardware in other machine learning applications. The study presents a significant step towards the development of an efficient wearable EEG system for seizure detection.
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Affiliation(s)
| | - Snir Pardo
- NeuroHelp Ltd., Ramat-Gan 5252181, Israel
| | - Nir Getter
- NeuroHelp Ltd., Ramat-Gan 5252181, Israel
- Department of Cognitive and Brain Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Miriam Guendelman
- NeuroHelp Ltd., Ramat-Gan 5252181, Israel
- Department of Cognitive and Brain Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Felix Benninger
- Department of Neurology, Rabin Medical Center, Beilinson Hospital, Petach Tikva 4941492, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Dror Kraus
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
- Department of Pediatric Neurology, Schneider Children's Medical Center of Israel, Petach Tikva 4920235, Israel
| | - Oren Shriki
- NeuroHelp Ltd., Ramat-Gan 5252181, Israel
- Department of Cognitive and Brain Sciences, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
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7
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Döppner T, Bethkenhagen M, Kraus D, Neumayer P, Chapman DA, Bachmann B, Baggott RA, Böhme MP, Divol L, Falcone RW, Fletcher LB, Landen OL, MacDonald MJ, Saunders AM, Schörner M, Sterne PA, Vorberger J, Witte BBL, Yi A, Redmer R, Glenzer SH, Gericke DO. Observing the onset of pressure-driven K-shell delocalization. Nature 2023:10.1038/s41586-023-05996-8. [PMID: 37225995 DOI: 10.1038/s41586-023-05996-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 03/22/2023] [Indexed: 05/26/2023]
Abstract
The gravitational pressure in many astrophysical objects exceeds one gigabar (one billion atmospheres)1-3, creating extreme conditions where the distance between nuclei approaches the size of the K shell. This close proximity modifies these tightly bound states and, above a certain pressure, drives them into a delocalized state4. Both processes substantially affect the equation of state and radiation transport and, therefore, the structure and evolution of these objects. Still, our understanding of this transition is far from satisfactory and experimental data are sparse. Here we report on experiments that create and diagnose matter at pressures exceeding three gigabars at the National Ignition Facility5 where 184 laser beams imploded a beryllium shell. Bright X-ray flashes enable precision radiography and X-ray Thomson scattering that reveal both the macroscopic conditions and the microscopic states. The data show clear signs of quantum-degenerate electrons in states reaching 30 times compression, and a temperature of around two million kelvins. At the most extreme conditions, we observe strongly reduced elastic scattering, which mainly originates from K-shell electrons. We attribute this reduction to the onset of delocalization of the remaining K-shell electron. With this interpretation, the ion charge inferred from the scattering data agrees well with ab initio simulations, but it is significantly higher than widely used analytical models predict6.
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Affiliation(s)
- T Döppner
- Lawrence Livermore National Laboratory, Livermore, CA, USA.
| | - M Bethkenhagen
- Institute of Physics, University of Rostock, Rostock, Germany
- École Normale Supérieure de Lyon, LGLTPE, CNRS UMR 5276, Lyon, France
| | - D Kraus
- Institute of Physics, University of Rostock, Rostock, Germany
- Department of Physics, University of California Berkeley, Berkeley, CA, USA
- Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany
| | - P Neumayer
- GSI Helmholtz-Zentrum für Schwerionenforschung, Darmstadt, Germany
| | | | - B Bachmann
- Lawrence Livermore National Laboratory, Livermore, CA, USA
| | - R A Baggott
- The John Adams Institute for Accelerator Science, Imperial College London, London, UK
| | - M P Böhme
- Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany
- Center for Advanced Systems Understanding (CASUS), Görlitz, Germany
- Technische Universität Dresden, Dresden, Germany
| | - L Divol
- Lawrence Livermore National Laboratory, Livermore, CA, USA
| | - R W Falcone
- Department of Physics, University of California Berkeley, Berkeley, CA, USA
| | - L B Fletcher
- SLAC National Accelerator Laboratory, Menlo Park, CA, USA
| | - O L Landen
- Lawrence Livermore National Laboratory, Livermore, CA, USA
| | - M J MacDonald
- Lawrence Livermore National Laboratory, Livermore, CA, USA
| | - A M Saunders
- Lawrence Livermore National Laboratory, Livermore, CA, USA
| | - M Schörner
- Institute of Physics, University of Rostock, Rostock, Germany
| | - P A Sterne
- Lawrence Livermore National Laboratory, Livermore, CA, USA
| | - J Vorberger
- Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany
| | - B B L Witte
- Institute of Physics, University of Rostock, Rostock, Germany
- SLAC National Accelerator Laboratory, Menlo Park, CA, USA
| | - A Yi
- Los Alamos National Laboratory, Los Alamos, NM, USA
| | - R Redmer
- Institute of Physics, University of Rostock, Rostock, Germany
| | - S H Glenzer
- SLAC National Accelerator Laboratory, Menlo Park, CA, USA
| | - D O Gericke
- Centre for Fusion, Space and Astrophysics, Department of Physics, University of Warwick, Coventry, UK
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8
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Goldberg L, Laron Z, Kornreich L, Scheuerman O, Goldberg-Stern H, Kraus D. Focal Epilepsy in Individuals with Laron Syndrome. Horm Res Paediatr 2022; 95:286-290. [PMID: 35358968 PMCID: PMC9501736 DOI: 10.1159/000524350] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 01/31/2022] [Indexed: 12/04/2022] Open
Abstract
OBJECTIVE The aim of the study was to describe focal epilepsy in patients with Laron syndrome (LS). METHODS Data were retrieved from medical records of a single-center cohort of 75 patients with LS. RESULTS We describe for the first time 4 patients with concomitant focal epilepsy and LS. Two of them experienced episodes of status epilepticus. Electroencephalogram examination in all 4 patients showed interictal epileptiform discharges in the temporal regions. Three achieved long-term seizure freedom on antiseizure medications. CONCLUSION Patients with LS may be at risk of developing focal epilepsy, which seems to be unrelated to hypoglycemic episodes in childhood.
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Affiliation(s)
- Lotem Goldberg
- Department of Pediatrics B, Schneider Children's Medical Center of Israel, Petah Tiqva, Israel, .,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel,
| | - Zvi Laron
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel,Endocrinology and Diabetes Research Unit, Schneider Children's Medical Center of Israel, Petah Tiqva, Israel
| | - Liora Kornreich
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel,Institute of Pediatric Imaging, Schneider Children's Medical Center of Israel, Petah Tiqva, Israel
| | - Oded Scheuerman
- Department of Pediatrics B, Schneider Children's Medical Center of Israel, Petah Tiqva, Israel,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Hadassa Goldberg-Stern
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel,Institute of Pediatric Neurology, Schneider Children's Medical Center of Israel, Petah Tiqva, Israel
| | - Dror Kraus
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel,Institute of Pediatric Neurology, Schneider Children's Medical Center of Israel, Petah Tiqva, Israel,*Dror Kraus,
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9
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Krisai P, Ruperti-Repilado FJ, Goeldi A, Kraus D, De Alencar B, Sticherling C, Balestra G. Occurrence and predictors of severe arrhythmia in patients with myocarditis. Europace 2022. [DOI: 10.1093/europace/euac053.117] [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: 11/12/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background/Introduction
Patients with myocarditis are at risk for severe, life-threatening arrhythmia. However, predictors to identify high-risk patients are lacking.
Purpose
We investigated the occurrence and potential risk factors of severe arrhythmia in myocarditis patients.
Methods
212 myocarditis patients that were hospitalized for arrhythmia monitoring at a tertiary university hospital were retrospectively enrolled. Non-sustained ventricular tachycardia (VT), sustained VT, ventricular fibrillation or cardiac arrest were considered as severe arrhythmia. We used a stepwise logistic regression model to investigate potential predictors. These included age, sex, clinical presentation (chest pain, palpitations, dyspnea, syncope, cardiac murmur, edema, pericardial friction, arrhythmia at presentation, Killip-class), comorbidities (hypertension, diabetes, coronary heart disease), imaging parameters (left ventricular ejection fraction [LVEF], pericardial effusion, edema and LGE on MRI), ECG variables (PQ depression, ST elevation, ST depression) and maximum levels of blood biomarkers (CRP, leukocytes, Troponin T, CK-MB).
Results
Mean age was 40.8 years, 73.1% were male and mean LVEF was 52.9%. During the hospital stay, 40 (18.9%) patients experienced severe arrhythmia: 33 (15.6%) non-sustained VT, 9 (4.2%) sustained VT, 1 (0.5%) ventricular fibrillation and 3 (1.4%) cardiac arrests (arrhythmia not mutually exclusive). Most arrhythmia occurred in the first 72h of monitoring (Figure). Significant predictors selected by the stepwise model (OR [95% CI]) for severe arrhythmia were LVEF (per 1% increase 0.95 [0.92; 0.99], p=0.005), syncope at presentation (7.9 [1.5; 40.4], p=0.01), any arrhythmia at first presentation (6.5 [1.3; 32.7], p=0.02) and CK-MB (per 10-unit increase 1.2 [1.1; 1.3], p=0.001).
Conclusion(s)
Myocarditis patients with low LVEF, presenting with arrhythmia and syncope and with increased CK-MB are at increased risk for severe arrhythmia and should be closely monitored. Further studies are needed to define, if patients without these risk factors might be safely discharged early.
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Affiliation(s)
- P Krisai
- University Hospital Basel, Cardiology, Basel, Switzerland
| | | | - A Goeldi
- University Hospital Basel, Cardiology, Basel, Switzerland
| | - D Kraus
- University Hospital Basel, Cardiology, Basel, Switzerland
| | - B De Alencar
- University Hospital Basel, Cardiology, Basel, Switzerland
| | - C Sticherling
- University Hospital Basel, Cardiology, Basel, Switzerland
| | - G Balestra
- University Hospital Basel, Cardiology, Basel, Switzerland
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10
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Hartley NJ, Grenzer J, Huang L, Inubushi Y, Kamimura N, Katagiri K, Kodama R, Kon A, Lu W, Makita M, Matsuoka T, Nakajima S, Ozaki N, Pikuz T, Rode A, Sagae D, Schuster AK, Tono K, Voigt K, Vorberger J, Yabuuchi T, McBride EE, Kraus D. Erratum: Using Diffuse Scattering to Observe X-Ray-Driven Nonthermal Melting [Phys. Rev. Lett. 126, 015703 (2021)]. Phys Rev Lett 2022; 128:169901. [PMID: 35522523 DOI: 10.1103/physrevlett.128.169901] [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] [Received: 03/31/2022] [Indexed: 06/14/2023]
Abstract
This corrects the article DOI: 10.1103/PhysRevLett.126.015703.
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11
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Kraus D, Abdelrahim H, Waisbourd-Zinman O, Domin E, Zeharia A, Staretz-Chacham O. Elevated Alpha-Fetoprotein in Infantile-Onset Niemann-Pick Type C Disease with Liver Involvement. Children 2022; 9:children9040545. [PMID: 35455589 PMCID: PMC9032157 DOI: 10.3390/children9040545] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/04/2022] [Accepted: 04/08/2022] [Indexed: 11/29/2022]
Abstract
Niemann-Pick disease type C (NPC) is a rare autosomal recessive neuro-visceral lipid storage disease. We describe nine cases of infantile-onset NPC with various genetic mutations in the NPC1 gene, which presented with neonatal cholestasis. Serum alpha-fetoprotein (AFP) levels were obtained as part of their workup during the first four months of life. In eight of nine (89%) patients, serum AFP demonstrated elevated levels. Seven infants displayed marked elevations, ranging from 4 to 300 times the upper limit for age-adjusted norms. In most patients, AFP levels peaked during the initial test and declined over time as cholestasis resolved. We conclude that elevated AFP levels are a common, although non-specific, marker for NPC-associated liver disease. These findings demonstrate the benefit of including AFP levels in the workup of neonatal liver disease, especially if there is accompanied cholestasis and if NPC is suspected.
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Affiliation(s)
- Dror Kraus
- Institute of Neurology, Schneider Children’s Medical Center of Israel, Petach-Tikva 4920235, Israel; (D.K.); (H.A.)
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel; (O.W.-Z.); (A.Z.)
| | - Huda Abdelrahim
- Institute of Neurology, Schneider Children’s Medical Center of Israel, Petach-Tikva 4920235, Israel; (D.K.); (H.A.)
| | - Orith Waisbourd-Zinman
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel; (O.W.-Z.); (A.Z.)
- Institute of Gastroenterology, Nutrition and Liver Diseases, Schneider Children’s Medical Center of Israel, Petach-Tikva 4920235, Israel
| | - Elena Domin
- Clinical Biochemistry (Metabolic) Laboratory, Sheba Medical Center, Ramat Gan 52621, Israel;
| | - Avraham Zeharia
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel; (O.W.-Z.); (A.Z.)
- Day Hospitalization Department, Schneider Children’s Medical Center of Israel, Petach-Tikva 4920235, Israel
| | - Orna Staretz-Chacham
- Pediatric Metabolic Clinic, Pediatric Division, Soroka Medical Center, Ben-Gurion University, Beer Sheva 8480101, Israel
- Correspondence: ; Tel.: +972-8-6400508; Fax: +972-8-6400545
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12
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Kraus D, Horowitz‐Kraus T. Functional MRI research involving healthy children: Ethics, safety and recommended procedures. Acta Paediatr 2022; 111:741-749. [PMID: 34986521 DOI: 10.1111/apa.16247] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 11/26/2021] [Accepted: 01/04/2022] [Indexed: 12/11/2022]
Abstract
AIM This specific review aims to expose clinicians, researchers and administrators in hospitals to the importance, procedures and safety of fMRI studies to promote the increased utilisation of such studies in different geographical places worldwide. The child's brain is developing rapidly, both structurally and functionally. These functional changes can only be detected using functional scans generated from an MRI machine and referred to as a functional MRI (fMRI). This method may be used clinically in complex medical and surgical conditions (e.g., epilepsy surgery), but these days are often used for research purposes. However, due to ethical and logistical considerations, fMRI in the paediatric population is not widely and equally used in different geographical places. CONCLUSIONS The benefits of using this method to define the functional changes occurring in the developing brain are discussed in this review, along with desensitisation methods recommended when working with this vulnerable population in research and even in a clinical setting.
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Affiliation(s)
- Dror Kraus
- Pediatric Neurology Institute Schneider Children's Medical Center of Israel Tel Aviv University Petach‐Tiqua Israel
| | - Tzipi Horowitz‐Kraus
- Educational Neuroimaging Group Faculty of Education in Science and Technology Faculty of Biomedical Engineering Haifa Israel
- Kennedy Krieger Institute Baltimore Maryland USA
- Department of Psychiatry and Behavioral Sciences Johns Hopkins University School of Medicine Baltimore Maryland USA
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13
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Kaplan E, Shifeldrim A, Kraus D, Weissbach A, Kadmon G, Milkh R, Nahum E. Intranasal dexmedetomidine vs oral triclofos sodium for sedation of children with autism undergoing electroencephalograms. Eur J Paediatr Neurol 2022; 37:19-24. [PMID: 35016051 DOI: 10.1016/j.ejpn.2022.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 08/12/2021] [Accepted: 01/02/2022] [Indexed: 10/19/2022]
Abstract
BACKGROUND Sedation may be necessary for performing electroencephalograms in children with autistic spectrum disorder, however, our sedation success rate using triclofos sodium (TFS) is limited. Intra-nasal dexmedetomidine (IN-DEX) may be a superior sedative for these children. OBJECTIVE Compare IN-DEX with TFS for sedation efficacy, resistance to drug delivery and adverse events in children with autism undergoing an electroencephalogram. STUDY DESIGN A single center, prospective observational study of children with autism sedated for electroencephalograms using IN-DEX compared to an age matched, historic group of children with autism, sedated for electroencephalograms using TFS. RESULTS Characteristics of 41 IN-DEX sedations were compared to 41 TFS sedations in 82 ASD children. Epileptiform discharges were demonstrated in 23/82 (28%) of children in the cohort. Sedation depth by UMSS was significantly deeper in the IN-DEX group (2.49 ± 0.78 vs. 1.41 ± 0.89, p < 0.001). Electroencephalogram quality demonstrated less motion artifact in the IN-DEX group (1.75 ± 0.76 vs. 2.18 ± 0.88, p < 0.001). The rate of very poor or sedation failure was significantly lower in the IN-DEX group (17% vs 56.1%, p < 0.001), RR = 0.3 (95% CI 0.15 to 0.63, p < 0.001). No major adverse events were documented in either group. Bradycardia occurred in 8/41(19.5%) of children in IN-DEX group and none in TFS group (p = 0.003). Hypotension or poor perfusion were not demonstrated in either group. CONCLUSION In children with autism undergoing electroencephalograms, IN-DEX was more tolerable than TFS, induced deeper sedation with a greater success rate, and improved electroencephalogram quality. Both sedatives were equally safe in this population.
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Affiliation(s)
- Eytan Kaplan
- Pediatric Intensive Care Unit, Schneider Children's Medical Center of Israel, Petach Tikva, Israel; Pediatric Sedation Services, Schneider Children's Medical Center of Israel, Petach Tikva, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Adi Shifeldrim
- Pediatric Sedation Services, Schneider Children's Medical Center of Israel, Petach Tikva, Israel
| | - Dror Kraus
- Institute of Neurology, Schneider Children's Medical Center of Israel, Petach Tikva, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Avichai Weissbach
- Pediatric Intensive Care Unit, Schneider Children's Medical Center of Israel, Petach Tikva, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Gili Kadmon
- Pediatric Intensive Care Unit, Schneider Children's Medical Center of Israel, Petach Tikva, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Rachel Milkh
- Pediatric Sedation Services, Schneider Children's Medical Center of Israel, Petach Tikva, Israel
| | - Elhanan Nahum
- Pediatric Intensive Care Unit, Schneider Children's Medical Center of Israel, Petach Tikva, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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14
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Houska T, Kraft P, Jehn FU, Bestian K, Kraus D, Breuer L. Detection of hidden model errors by combining single and multi-criteria calibration. Sci Total Environ 2021; 777:146218. [PMID: 33689893 DOI: 10.1016/j.scitotenv.2021.146218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 02/19/2021] [Accepted: 02/25/2021] [Indexed: 06/12/2023]
Abstract
Environmental models aim to reproduce landscape processes with mathematical equations. Observations are used for validation. The performance and uncertainties are quantified either by single or multi-criteria model assessment. In a case-study, we combine both approaches. We use a coupled hydro-biogeochemistry landscape-scale model to simulate 14 target values on discharge, stream nitrate as well as soil moisture, soil temperature and trace gas emissions (N2O, CO2) from different land uses. We reveal typical mistakes that happen during both, single and multi-criteria model assessment. Such as overestimated uncertainty in multi-criteria and ignored wrong model processes in single-criterion calibration. These mistakes can mislead the development of water quality and in general all environmental models. Only the combination of both approaches reveals the five types of posterior probability distributions for model parameters. Each type allocates a specific type of error. We identify and locate mismatched parameter values, obsolete parameters, flawed model structures and wrong process representations. The presented method can guide model users and developers to the so far hidden errors in their models. We emphasize to include observations from physical, chemical, biological and ecological processes in the model assessment, rather than the typical discipline specific assessments.
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Affiliation(s)
- T Houska
- Institute for Landscape Ecology and Resources Management (ILR), Research Centre for BioSystems, Land Use and Nutrition (iFZ), Justus Liebig University Giessen, 35392 Giessen, Germany.
| | - P Kraft
- Institute for Landscape Ecology and Resources Management (ILR), Research Centre for BioSystems, Land Use and Nutrition (iFZ), Justus Liebig University Giessen, 35392 Giessen, Germany
| | - F U Jehn
- Institute for Landscape Ecology and Resources Management (ILR), Research Centre for BioSystems, Land Use and Nutrition (iFZ), Justus Liebig University Giessen, 35392 Giessen, Germany
| | - K Bestian
- Institute for Landscape Ecology and Resources Management (ILR), Research Centre for BioSystems, Land Use and Nutrition (iFZ), Justus Liebig University Giessen, 35392 Giessen, Germany
| | - D Kraus
- Institute of Meteorology and Climate Research - Atmospheric Environmental Research (IMK-IFU), 82467 Garmisch-Partenkirchen, Germany
| | - L Breuer
- Institute for Landscape Ecology and Resources Management (ILR), Research Centre for BioSystems, Land Use and Nutrition (iFZ), Justus Liebig University Giessen, 35392 Giessen, Germany; Centre for International Development and Environmental Research (ZEU), Justus Liebig University Giessen, 35392 Giessen, Germany
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15
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Lütgert J, Vorberger J, Hartley NJ, Voigt K, Rödel M, Schuster AK, Benuzzi-Mounaix A, Brown S, Cowan TE, Cunningham E, Döppner T, Falcone RW, Fletcher LB, Galtier E, Glenzer SH, Laso Garcia A, Gericke DO, Heimann PA, Lee HJ, McBride EE, Pelka A, Prencipe I, Saunders AM, Schölmerich M, Schörner M, Sun P, Vinci T, Ravasio A, Kraus D. Measuring the structure and equation of state of polyethylene terephthalate at megabar pressures. Sci Rep 2021; 11:12883. [PMID: 34145307 PMCID: PMC8213800 DOI: 10.1038/s41598-021-91769-0] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 05/25/2021] [Indexed: 11/09/2022] Open
Abstract
We present structure and equation of state (EOS) measurements of biaxially orientated polyethylene terephthalate (PET, \documentclass[12pt]{minimal}
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\begin{document}$$({\hbox {C}}_{10} {\hbox {H}}_8 {\hbox {O}}_4)_n$$\end{document}(C10H8O4)n, also called mylar) shock-compressed to (\documentclass[12pt]{minimal}
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\begin{document}$$155 \pm 20$$\end{document}155±20) GPa and (\documentclass[12pt]{minimal}
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\begin{document}$$6000 \pm 1000$$\end{document}6000±1000) K using in situ X-ray diffraction, Doppler velocimetry, and optical pyrometry. Comparing to density functional theory molecular dynamics (DFT-MD) simulations, we find a highly correlated liquid at conditions differing from predictions by some equations of state tables, which underlines the influence of complex chemical interactions in this regime. EOS calculations from ab initio DFT-MD simulations and shock Hugoniot measurements of density, pressure and temperature confirm the discrepancy to these tables and present an experimentally benchmarked correction to the description of PET as an exemplary material to represent the mixture of light elements at planetary interior conditions.
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Affiliation(s)
- J Lütgert
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstrasse 400, 01328, Dresden, Germany. .,Institute for Solid State and Materials Physics, Technische Universität Dresden, 01069, Dresden, Germany.
| | - J Vorberger
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstrasse 400, 01328, Dresden, Germany
| | - N J Hartley
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstrasse 400, 01328, Dresden, Germany.,SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA
| | - K Voigt
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstrasse 400, 01328, Dresden, Germany.,Institute for Solid State and Materials Physics, Technische Universität Dresden, 01069, Dresden, Germany
| | - M Rödel
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstrasse 400, 01328, Dresden, Germany.,Institute for Solid State and Materials Physics, Technische Universität Dresden, 01069, Dresden, Germany
| | - A K Schuster
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstrasse 400, 01328, Dresden, Germany.,Institute for Solid State and Materials Physics, Technische Universität Dresden, 01069, Dresden, Germany
| | - A Benuzzi-Mounaix
- LULI, CNRS, CEA, Sorbonne Université, Ecole Polytechnique - Institut Polytechnique de Paris, 91128, Palaiseau, France
| | - S Brown
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA
| | - T E Cowan
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstrasse 400, 01328, Dresden, Germany.,Institute of Nuclear and Particle Physics, Technische Universität Dresden, 01069, Dresden, Germany
| | - E Cunningham
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA
| | - T Döppner
- Lawrence Livermore National Laboratory, Livermore, CA, 94550, USA
| | - R W Falcone
- Department of Physics, University of California, Berkeley, CA, 94720, USA.,Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - L B Fletcher
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA
| | - E Galtier
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA
| | - S H Glenzer
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA
| | - A Laso Garcia
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstrasse 400, 01328, Dresden, Germany
| | - D O Gericke
- CFSA, Department of Physics, University of Warwick, Coventry, CV4 7AL, UK
| | - P A Heimann
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA
| | - H J Lee
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA
| | - E E McBride
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA.,European XFEL GmbH, Holzkoppel 4, 22869, Schenefeld, Germany
| | - A Pelka
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstrasse 400, 01328, Dresden, Germany
| | - I Prencipe
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstrasse 400, 01328, Dresden, Germany
| | - A M Saunders
- Department of Physics, University of California, Berkeley, CA, 94720, USA
| | - M Schölmerich
- European XFEL GmbH, Holzkoppel 4, 22869, Schenefeld, Germany
| | - M Schörner
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA.,Institut für Physik, Albert-Einstein-Str. 23, Universität Rostock, 18059, Rostock, Germany
| | - P Sun
- SLAC National Accelerator Laboratory, Menlo Park, CA, 94025, USA
| | - T Vinci
- LULI, CNRS, CEA, Sorbonne Université, Ecole Polytechnique - Institut Polytechnique de Paris, 91128, Palaiseau, France
| | - A Ravasio
- LULI, CNRS, CEA, Sorbonne Université, Ecole Polytechnique - Institut Polytechnique de Paris, 91128, Palaiseau, France
| | - D Kraus
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstrasse 400, 01328, Dresden, Germany.,Institut für Physik, Albert-Einstein-Str. 23, Universität Rostock, 18059, Rostock, Germany
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16
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Kaps L, Ahlbrand CJ, Gadban R, Nagel M, Labenz C, Klimpke P, Holtz S, Boedecker S, Michel M, Kremer WM, Hilscher M, Galle PR, Kraus D, Schattenberg JM, Weinmann-Menke J. Applicability and safety of discontinuous ADVanced Organ Support (ADVOS) in the treatment of patients with acute-on-chronic liver failure (ACLF) outside of intensive care. PLoS One 2021; 16:e0249342. [PMID: 33793644 PMCID: PMC8016329 DOI: 10.1371/journal.pone.0249342] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 03/16/2021] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND ADVanced Organ Support (ADVOS) is a novel type of extracorporeal albumin dialysis and holds promise to sustain liver function and recovery of patients with acute-on-chronic liver failure (ACLF). Previously, ADVOS was tested as continuous treatment for intensive care patients with liver failure. Data related to the applicability and safety as discontinuous treatment outside of ICU is not available. AIM Evaluation of ADVOS as discontinuous treatment for patients with ACLF outside intensive care unit and comparison with a matched historic cohort. METHODS AND RESULTS In this retrospective study, 26 patients with ACLF and the indication for renal replacement therapy related to HRS-AKI were included. Majority of patients were male (65%) with alcoholic cirrhosis in 88% and infections as a trigger of ACLF in 96%. Liver function was severely compromised reflected by high median MELD and CLIF-C ACLF scores of 37 (IQR 32;40) and 56.5 (IQR 51;60), respectively. Patients were treated discontinuously with ADVOS over a median time of 12 days (IQR 8.25;17) and received 8 (IQR 4.25;9.75) treatment cycles on average. No treatment related adverse events were recorded, and safety laboratory parameters remained constant during the observation time. After 16 h cumulative dialysis therapy, ADVOS significantly reduced protein-bound bilirubin (14%), creatinine (11.8%) and blood urea nitrogen (BUN, 33%). Using a matched cohort with ACLF treated with hemodialysis, ADVOS achieved a stronger decrease in bilirubin (p = 0.01), while detoxification of water-soluble catabolites' including creatinine and BUN was comparable. The 28-days mortality in the ADVOS group was 56% (14/26) and was not inferior to predicted survival (predicted median 28-days mortality was 44%, IQR 30; 59). CONCLUSION Discontinuous ADVOS treatment was safe and effective in patients with ACLF outside intensive care and outperformed hemodialysis in reducing protein-bound metabolites.
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Affiliation(s)
- L. Kaps
- Department of Internal Medicine I, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
- Cirrhosis Centre Mainz (CCM), University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
- Institute of Translational Immunology, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
| | - C. J. Ahlbrand
- Department of Internal Medicine I, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
- Cirrhosis Centre Mainz (CCM), University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
| | - R. Gadban
- Department of Internal Medicine I, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
| | - M. Nagel
- Department of Internal Medicine I, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
- Cirrhosis Centre Mainz (CCM), University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
| | - C. Labenz
- Department of Internal Medicine I, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
- Cirrhosis Centre Mainz (CCM), University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
| | - P. Klimpke
- Department of Internal Medicine I, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
| | - S. Holtz
- Department of Internal Medicine I, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
| | - S. Boedecker
- Department of Internal Medicine I, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
| | - M. Michel
- Department of Internal Medicine I, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
- Cirrhosis Centre Mainz (CCM), University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
| | - W. M. Kremer
- Department of Internal Medicine I, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
- Cirrhosis Centre Mainz (CCM), University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
| | - M. Hilscher
- Department of Internal Medicine I, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
- Cirrhosis Centre Mainz (CCM), University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
| | - P. R. Galle
- Department of Internal Medicine I, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
| | - D. Kraus
- Department of Internal Medicine I, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
| | - J. M. Schattenberg
- Department of Internal Medicine I, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
- IMetabolic Liver Research Program; I. Department of Medicine, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
| | - J. Weinmann-Menke
- Department of Internal Medicine I, University Medical Centre of the Johannes Gutenberg-University, Mainz, Germany
- * E-mail:
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Bonaventura B, Kraus D, Stark GB, Fuellgraf H, Kiefer J. Dermatofibrosarcoma protuberans in a young patient with epidermolysis bullosa: a case report. BMC Surg 2021; 21:100. [PMID: 33622311 PMCID: PMC7903690 DOI: 10.1186/s12893-021-01105-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 02/15/2021] [Indexed: 11/29/2022] Open
Abstract
Background Epidermolysis bullosa is a group of rare inherited skin diseases characterized by blister formation following mechanical skin trauma. Epidermolysis bullosa is associated with increased skin cancer rates, predominantly squamous cell carcinomas, yet to our best knowledge, there is no reported case of dermatofibrosarcoma protuberans in a patient with Epidermolysis bullosa. Case presentation Here, we present a 26-year-old man with junctional epidermolysis bullosa, who developed a DFSP on the neck. Initial, the skin alteration was mistakenly not considered malignant, which resulted in inadequate safety margins. The complete resection required a local flap to close the defect, which is not unproblematic because of the chronic inflammation and impaired healing potential of the skin due to Epidermolysis bullosa. Conclusions To our best knowledge, this is the first reported case of a skin-associated sarcoma in a patient with EB; however, further investigation is required to verify a correlation.
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Affiliation(s)
- B Bonaventura
- Department of Plastic and Hand Surgery, Medical Center - University of Freiburg, Faculty of Medicine, Comprehensive Cancer Center Freiburg, University of Freiburg, Freiburg, Germany.
| | - D Kraus
- Department of Plastic and Hand Surgery, Medical Center - University of Freiburg, Faculty of Medicine, Comprehensive Cancer Center Freiburg, University of Freiburg, Freiburg, Germany
| | - G B Stark
- Department of Plastic and Hand Surgery, Medical Center - University of Freiburg, Faculty of Medicine, Comprehensive Cancer Center Freiburg, University of Freiburg, Freiburg, Germany
| | - H Fuellgraf
- Institute for Surgical Pathology, Medical Center, University of Freiburg, Freiburg, Germany
| | - J Kiefer
- Department of Plastic and Hand Surgery, Medical Center - University of Freiburg, Faculty of Medicine, Comprehensive Cancer Center Freiburg, University of Freiburg, Freiburg, Germany
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18
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Hartley NJ, Grenzer J, Huang L, Inubushi Y, Kamimura N, Katagiri K, Kodama R, Kon A, Lu W, Makita M, Matsuoka T, Nakajima S, Ozaki N, Pikuz T, Rode AV, Sagae D, Schuster AK, Tono K, Voigt K, Vorberger J, Yabuuchi T, McBride EE, Kraus D. Using Diffuse Scattering to Observe X-Ray-Driven Nonthermal Melting. Phys Rev Lett 2021; 126:015703. [PMID: 33480771 DOI: 10.1103/physrevlett.126.015703] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 10/09/2020] [Accepted: 12/07/2020] [Indexed: 06/12/2023]
Abstract
We present results from the SPring-8 Angstrom Compact free electron LAser facility, where we used a high intensity (∼10^{20} W/cm^{2}) x-ray pump x-ray probe scheme to observe changes in the ionic structure of silicon induced by x-ray heating of the electrons. By avoiding Laue spots in the scattering signal from a single crystalline sample, we observe a rapid rise in diffuse scattering and a transition to a disordered, liquidlike state with a structure significantly different from liquid silicon. The disordering occurs within 100 fs of irradiation, a timescale that agrees well with first principles simulations, and is faster than that predicted by purely inertial behavior, suggesting that both the phase change and disordered state reached are dominated by Coulomb forces. This method is capable of observing liquid scattering without masking signal from the ambient solid, allowing the liquid structure to be measured throughout and beyond the phase change.
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Affiliation(s)
- N J Hartley
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
| | - J Grenzer
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
| | - L Huang
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
| | - Y Inubushi
- Japan Synchrotron Radiation Research Institute, Sayo, Hyogo 679-5198, Japan
- RIKEN SPring-8 Center, Sayo, Hyogo 679-5148, Japan
| | - N Kamimura
- Graduate School of Engineering, Osaka University, Suita, Osaka 565-0087, Japan
| | - K Katagiri
- Graduate School of Engineering, Osaka University, Suita, Osaka 565-0087, Japan
| | - R Kodama
- Graduate School of Engineering, Osaka University, Suita, Osaka 565-0087, Japan
- Photon Pioneers Center, Osaka University, Suita, Osaka 565-0087, Japan
| | - A Kon
- Japan Synchrotron Radiation Research Institute, Sayo, Hyogo 679-5198, Japan
- RIKEN SPring-8 Center, Sayo, Hyogo 679-5148, Japan
| | - W Lu
- European XFEL GmbH, Holzkoppel 4, D-22869 Schenefeld, Germany
| | - M Makita
- European XFEL GmbH, Holzkoppel 4, D-22869 Schenefeld, Germany
| | - T Matsuoka
- Graduate School of Engineering, Osaka University, Suita, Osaka 565-0087, Japan
| | - S Nakajima
- Graduate School of Engineering, Osaka University, Suita, Osaka 565-0087, Japan
| | - N Ozaki
- Graduate School of Engineering, Osaka University, Suita, Osaka 565-0087, Japan
- Photon Pioneers Center, Osaka University, Suita, Osaka 565-0087, Japan
| | - T Pikuz
- Graduate School of Engineering, Osaka University, Suita, Osaka 565-0087, Japan
| | - A V Rode
- Laser Physics Centre, Research School of Physics, Australian National University, Canberra, ACT 2601, Australia
| | - D Sagae
- Graduate School of Engineering, Osaka University, Suita, Osaka 565-0087, Japan
| | - A K Schuster
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
- Technische Universität Dresden, 01062 Dresden, Germany
| | - K Tono
- Japan Synchrotron Radiation Research Institute, Sayo, Hyogo 679-5198, Japan
- RIKEN SPring-8 Center, Sayo, Hyogo 679-5148, Japan
| | - K Voigt
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
- Technische Universität Dresden, 01062 Dresden, Germany
| | - J Vorberger
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
| | - T Yabuuchi
- Japan Synchrotron Radiation Research Institute, Sayo, Hyogo 679-5198, Japan
- RIKEN SPring-8 Center, Sayo, Hyogo 679-5148, Japan
| | - E E McBride
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - D Kraus
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
- Institut für Physik, Universität Rostock, Albert-Einstein-Straße 23, 18059 Rostock, Germany
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Kraus D, Vannest J, Arya R, Hutton JS, Leach JL, Mangano FT, Tenney JR, Byars AW, DeWitt TG, Horowitz-Kraus T. Reading in children with drug-resistant epilepsy was related to functional connectivity in cognitive control regions. Acta Paediatr 2020; 109:2105-2111. [PMID: 31999871 DOI: 10.1111/apa.15201] [Citation(s) in RCA: 2] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 12/12/2019] [Accepted: 01/27/2020] [Indexed: 11/28/2022]
Abstract
AIM This study aimed to define whether individuals with drug-resistant focal epilepsy also used regions related to cognitive control to facilitate reading. METHODS We focused on patients with drug-resistant focal epilepsy in 2011-2014, who were aged 8-20 years and were being treated at the Cincinnati Children's Hospital, USA. They performed a verb generation functional magnetic resonance imaging task known to involve language and cognitive control, as well as a formal reading assessment. The reading scores were correlated with functional connectivity of the anterior cingulate cortex (ACC) using seed-to-voxel analysis. RESULTS There were 81 potential patients and 13 (seven females) met the inclusion criteria. Their age at seizure onset was 0-13 years, and they had a mean age of 12.66 ± 3.17 years at the time of the study. Individuals with epilepsy demonstrated average intelligence and word reading ability. Their reading scores were positively correlated with functional connectivity between the ACC and regions related to emotional processing (right amygdala), learning and language processing (left cerebellum) and visual processing. CONCLUSION Our results support the role that the ACC plays in proficient reading among children with drug-resistant epilepsy, even in those with epileptogenic foci in areas related to language.
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Affiliation(s)
- Dror Kraus
- Institute of Child Neurology, Schneider Children's Medical Center of Israel, Petah-Tikva, Israel
| | - Jennifer Vannest
- Division of Neurology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Ravindra Arya
- Division of Neurology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - John S Hutton
- Division of General and Community Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - James L Leach
- Division of Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Francesco T Mangano
- Division of Pediatric Neurosurgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Jeffrey R Tenney
- Division of Neurology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Anna W Byars
- Division of Neurology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Thomas G DeWitt
- Division of General and Community Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Tzipi Horowitz-Kraus
- Division of General and Community Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Educational Neuroimaging Center, Faculty of Biomedical Engineering, Technion, Haifa, Israel.,Faculty of Education in Science and Technology, Technion, Haifa, Israel
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20
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Rozenblat T, Kraus D, Mahajnah M, Goldberg-Stern H, Watemberg N. Absence seizure provocation during routine EEG: Does position of the child during hyperventilation affect the diagnostic yield? Seizure 2020; 79:86-89. [PMID: 32446208 DOI: 10.1016/j.seizure.2020.03.013] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 01/30/2020] [Accepted: 03/23/2020] [Indexed: 10/24/2022] Open
Abstract
PURPOSE When performed correctly, hyperventilation (HV) for three minutes provokes absence seizures in virtually all children, a finding suggestive of a diagnosis of childhood absence epilepsy (CAE). Interestingly, some children experience absence seizures while performing HV in the office yet do not experience absences during HV on subsequent routine EEG. In most instances, HV during routine EEG is performed in the supine position, while in the office HV is done with the child sitting-up. Therefore, we hypothesized that the position in which HV is performed may influence its yield in provoking absence seizures. METHODS We conducted a randomized multi-center controlled trial among children (4-10 years old) with suspected CAE. During a routine EEG, children were asked to perform HV twice, in the supine and sitting positions. RESULTS Twenty children (four males) diagnosed with CAE were included in the analysis. Seventeen of the 20 patients experienced absence seizures while sitting and 13 experienced seizures during supine HV (p = 0.031). All patients that had absence seizures during supine HV also had seizures during sitting HV. Among patients with absences in both positions, seizure duration was significantly shorter during sitting HV (mean 8.69 seconds) than during supine HV (mean 12 seconds) (p = 0.042). An opposite tendency was seen in the younger age group (4-7 years), with shorter seizures in the supine HV group (5.6 seconds supine, 7.57 seconds sitting, p = 0.019). CONCLUSIONS HV in the sitting position may increase the yield of provoking absence seizures during routine EEGs, thereby improving its sensitivity in the diagnosis of CAE.
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Affiliation(s)
- Tal Rozenblat
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Dror Kraus
- Department of Neurology, Schneider Children's Medical Center of Israel, Petah Tiqva, Israel.
| | - Muhammad Mahajnah
- Institute, Hillel Yaffe Medical Center, The Ruth and Bruce Rappaport Faculty of medicine, Technion University, Israel.
| | - Hadassah Goldberg-Stern
- Department of Neurology, Schneider Children's Medical Center of Israel, Petah Tiqva, Israel.
| | - Nathan Watemberg
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
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Frydrych S, Vorberger J, Hartley NJ, Schuster AK, Ramakrishna K, Saunders AM, van Driel T, Falcone RW, Fletcher LB, Galtier E, Gamboa EJ, Glenzer SH, Granados E, MacDonald MJ, MacKinnon AJ, McBride EE, Nam I, Neumayer P, Pak A, Voigt K, Roth M, Sun P, Gericke DO, Döppner T, Kraus D. Demonstration of X-ray Thomson scattering as diagnostics for miscibility in warm dense matter. Nat Commun 2020; 11:2620. [PMID: 32457297 PMCID: PMC7251136 DOI: 10.1038/s41467-020-16426-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 04/29/2020] [Indexed: 11/12/2022] Open
Abstract
The gas and ice giants in our solar system can be seen as a natural laboratory for the physics of highly compressed matter at temperatures up to thousands of kelvins. In turn, our understanding of their structure and evolution depends critically on our ability to model such matter. One key aspect is the miscibility of the elements in their interiors. Here, we demonstrate the feasibility of X-ray Thomson scattering to quantify the degree of species separation in a 1:1 carbon-hydrogen mixture at a pressure of ~150 GPa and a temperature of ~5000 K. Our measurements provide absolute values of the structure factor that encodes the microscopic arrangement of the particles. From these data, we find a lower limit of [Formula: see text]% of the carbon atoms forming isolated carbon clusters. In principle, this procedure can be employed for investigating the miscibility behaviour of any binary mixture at the high-pressure environment of planetary interiors, in particular, for non-crystalline samples where it is difficult to obtain conclusive results from X-ray diffraction. Moreover, this method will enable unprecedented measurements of mixing/demixing kinetics in dense plasma environments, e.g., induced by chemistry or hydrodynamic instabilities.
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Affiliation(s)
- S Frydrych
- Lawrence Livermore National Laboratory, Livermore, CA, 94550, USA
- Institut für Kernphysik, Technische Universität Darmstadt, Schlossgartenstraße 9, Darmstadt, 64289, Germany
| | - J Vorberger
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, Dresden, 01328, Germany
| | - N J Hartley
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, Dresden, 01328, Germany
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA, 94025, USA
| | - A K Schuster
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, Dresden, 01328, Germany
- Institute of Solid State and Materials Physics, Technische Universität Dresden, Dresden, 01069, Germany
| | - K Ramakrishna
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, Dresden, 01328, Germany
- Institute of Solid State and Materials Physics, Technische Universität Dresden, Dresden, 01069, Germany
| | - A M Saunders
- Department of Physics, University of California, Berkeley, CA, 94720, USA
| | - T van Driel
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA, 94025, USA
| | - R W Falcone
- Department of Physics, University of California, Berkeley, CA, 94720, USA
- Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - L B Fletcher
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA, 94025, USA
| | - E Galtier
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA, 94025, USA
| | - E J Gamboa
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA, 94025, USA
| | - S H Glenzer
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA, 94025, USA
| | - E Granados
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA, 94025, USA
| | - M J MacDonald
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA, 94025, USA
- University of Michigan, Ann Arbor, MI, 48109, USA
| | - A J MacKinnon
- Lawrence Livermore National Laboratory, Livermore, CA, 94550, USA
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA, 94025, USA
| | - E E McBride
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA, 94025, USA
- European XFEL GmbH, Holzkoppel 4, Schenefeld, 22869, Germany
| | - I Nam
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA, 94025, USA
| | - P Neumayer
- GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, Darmstadt, 64291, Germany
| | - A Pak
- Lawrence Livermore National Laboratory, Livermore, CA, 94550, USA
| | - K Voigt
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, Dresden, 01328, Germany
- Institute of Solid State and Materials Physics, Technische Universität Dresden, Dresden, 01069, Germany
| | - M Roth
- Institut für Kernphysik, Technische Universität Darmstadt, Schlossgartenstraße 9, Darmstadt, 64289, Germany
| | - P Sun
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA, 94025, USA
| | - D O Gericke
- Centre for Fusion, Space and Astrophysics, Department of Physics, University of Warwick, Coventry, CV4 7AL, United Kingdom
| | - T Döppner
- Lawrence Livermore National Laboratory, Livermore, CA, 94550, USA
| | - D Kraus
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, Dresden, 01328, Germany.
- Institute of Solid State and Materials Physics, Technische Universität Dresden, Dresden, 01069, Germany.
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22
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Teckie S, Solomon J, Kadapa K, Sanchez K, Frank D, Kamdar D, Pereira L, Kraus D, Potters L, Diefenbach M. Mobile Patient-Facing Application for Tracking Patient-Reported Outcomes in Head-and-Neck Cancer Survivors: a Pilot Usability and Feasibility Study. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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23
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Dirnböck T, Kraus D, Grote R, Klatt S, Kobler J, Schindlbacher A, Seidl R, Thom D, Kiese R. Substantial understory contribution to the C sink of a European temperate mountain forest landscape. Landsc Ecol 2020; 35:483-499. [PMID: 32165789 PMCID: PMC7045765 DOI: 10.1007/s10980-019-00960-2] [Citation(s) in RCA: 3] [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] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 12/10/2019] [Indexed: 06/10/2023]
Abstract
CONTEXT The contribution of forest understory to the temperate forest carbon sink is not well known, increasing the uncertainty in C cycling feedbacks on global climate as estimated by Earth System Models. OBJECTIVES We aimed at quantifying the effect of woody and non-woody understory vegetation on net ecosystem production (NEP) for a forested area of 158 km2 in the European Alps. METHODS We simulated C dynamics for the period 2000-2014, characterized by above-average temperatures, windstorms and a subsequent bark beetle outbreak for the area, using the regional ecosystem model LandscapeDNDC. RESULTS In the entire study area, woody and non-woody understory vegetation caused between 16 and 37% higher regional NEP as compared to a bare soil scenario over the 15-year period. The mean annual contribution of the understory to NEP was in the same order of magnitude as the average annual European (EU-25) forest C sink. After wind and bark beetle disturbances, the understory effect was more pronounced, leading to an increase in NEP between 35 and 67% compared to simulations not taking into account these components. CONCLUSIONS Our findings strongly support the importance of processes related to the understory in the context of the climate change mitigation potential of temperate forest ecosystems. The expected increases in stand replacing disturbances due to climate change call for a better representation of understory vegetation dynamics and its effect on the ecosystem C balance in regional assessments and Earth System Models.
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Affiliation(s)
- T. Dirnböck
- Department for Ecosystem Research and Environmental Information Management, Environment Agency Austria, Spittelauer Lände 5, 1090 Vienna, Austria
| | - D. Kraus
- Karlsruhe Institute of Technology, Institute of Meteorology and Climate Research, Atmospheric Environmental Research (IMK-IFU), Kreuzeckbahnstraße 19, 82467 Garmisch-Partenkirchen, Germany
| | - R. Grote
- Karlsruhe Institute of Technology, Institute of Meteorology and Climate Research, Atmospheric Environmental Research (IMK-IFU), Kreuzeckbahnstraße 19, 82467 Garmisch-Partenkirchen, Germany
| | - S. Klatt
- Karlsruhe Institute of Technology, Institute of Meteorology and Climate Research, Atmospheric Environmental Research (IMK-IFU), Kreuzeckbahnstraße 19, 82467 Garmisch-Partenkirchen, Germany
| | - J. Kobler
- Department for Ecosystem Research and Environmental Information Management, Environment Agency Austria, Spittelauer Lände 5, 1090 Vienna, Austria
| | - A. Schindlbacher
- Department of Forest Ecology, Federal Research and Training Centre for Forests, Natural Hazards and Landscape (BFW), Seckendorff-Gudent Weg 8, 1131 Vienna, Austria
| | - R. Seidl
- Department of Forest- and Soil Sciences, Institute of Silviculture, University of Natural Resources and Life Sciences (BOKU) Vienna, Peter-Jordan Straße 82, 1190 Vienna, Austria
- Ecosystem Dynamics and Forest Management Group, School of Life Sciences, Technical University of Munich, Hans-Carl-von-Carlowitz-Platz 2, 85354 Freising, Germany
| | - D. Thom
- Department of Forest- and Soil Sciences, Institute of Silviculture, University of Natural Resources and Life Sciences (BOKU) Vienna, Peter-Jordan Straße 82, 1190 Vienna, Austria
- Rubenstein School of Environment and Natural Resources, University of Vermont, 81 Carrigan Drive, Burlington, VT 05405 USA
- Ecosystem Dynamics and Forest Management Group, School of Life Sciences, Technical University of Munich, Hans-Carl-von-Carlowitz-Platz 2, 85354 Freising, Germany
| | - R. Kiese
- Karlsruhe Institute of Technology, Institute of Meteorology and Climate Research, Atmospheric Environmental Research (IMK-IFU), Kreuzeckbahnstraße 19, 82467 Garmisch-Partenkirchen, Germany
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24
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Ngeh-Ngwainbi J, Lin J, Chandler A, Bannon C, Carr K, Condra C, Fagerle R, Fein R, Fusnacht J, Graff T, Hussein A, Kanno A, Kraft N, Kraus D, Marcuson D, Mitchell B, Oehrl L, Oles P, Patzer S, Sackett P, Salata S, Buick D, Sinclair A, Wo C, Scheelings P, Sudler M, Sullivan D, Williams A, Zygmunt L. Determination of Total, Saturated, Unsaturated, and Monounsaturated Fats in Cereal Products by Acid Hydrolysis and Capillary Gas Chromatography: Collaborative Study. J AOAC Int 2020. [DOI: 10.1093/jaoac/80.2.359] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Fifteen laboratories participated in a collaborative study to determine total, saturated, unsaturated, and monounsaturated fats in cereal products by gas chromatographic (GC) analysis of fatty acid methyl esters (FAMEs). Cereal products, representing a wide range of cereal grains and processes, were hydrolyxed in 8N HCI and extracted with ethyl and petroleum ethers. FAMEs were produced by the reaction of the mixed ether extracts with sodium hydroxide in methanol (NaOH/MeOH) and then with boron trifluoride reagent (14% BF3 in MeOH). They were quantitatively determined by capillary GC. Total fat was calculated as the sum of individual fatty acids expressed as triglyceride equivalents in accordance with nutrition labeling guidelines. Saturated, unsaturated, and monounsaturated fats were calculated as sums of individual fatty acids. The total fat contents of samples ranged from 0.56 to 12.64%. A split design was used to determine performance parameters of results obtained by 15 laboratories on 24 samples. Of the 24 samples, 7 were blind duplicates and 5 were independent materials. Statistical analysis for total fat yielded a relative standard deviation for repeatability (RSDr) range of 1.32 to 13.30% and a relative standard deviation for reproducibility (RSDr) range of 4.42 to 22.82%. The goal of this study was to determine total fat, saturated fat, unsaturated, and monounsaturated fat in cereal-based products by complete extraction, methylation, and quantitation of total fatty acids. The acid hydrolysis-capillary GC method for determining total, saturated, unsaturated, and monosaturated fats in cereal products has been adopted by AOAC INTERNATIONAL.
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Affiliation(s)
| | - James Lin
- Kellogg Company, 235 Porter St, Battle Creek, MI 49017
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25
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Abstract
AIM Triclofos sodium (TFS) has been used for many years in children as a sedative for painless medical procedures. It is physiologically and pharmacologically similar to chloral hydrate, which has been censured for use in children with neurocognitive disorders. The aim of this study was to investigate the safety and efficacy of TFS sedation in a pediatric population with a high rate of neurocognitive disability. METHODS The database of the neurodiagnostic institute of a tertiary academic pediatric medical center was retrospectively reviewed for all children who underwent sedation with TFS in 2014. Data were collected on demographics, comorbidities, neurologic symptoms, sedation-related variables, and outcome. RESULTS The study population consisted of 869 children (58.2% male) of median age 25 months (range 5-200 months); 364 (41.2%) had neurocognitive diagnoses, mainly seizures/epilepsy, hypotonia, or developmental delay. TFS was used for routine electroencephalography in 486 (53.8%) patients and audiometry in 401 (46.2%). Mean (± SD) dose of TFS was 50.2 ± 4.9 mg/kg. Median time to sedation was 45 min (range 5-245), and median duration of sedation was 35 min (range 5-190). Adequate sedation depth was achieved in 769 cases (88.5%). Rates of sedation-related adverse events were low: apnea, 0; desaturation ≤ 90%, 0.2% (two patients); and emesis, 0.35% (three patients). None of the children had hemodynamic instability or signs of poor perfusion. There was no association between desaturations and the presence of hypotonia or developmental delay. CONCLUSION TFS, when administered in a controlled and monitored environment, may be safe for use in children, including those with underlying neurocognitive disorders.
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Affiliation(s)
- Eytan Kaplan
- Pediatric Intensive Care Unit, Schneider Children's Medical Center of Israel, 4920235, Petach Tikva, Israel. .,Pediatric Sedation Services, Schneider Children's Medical Center of Israel, Petach Tikva, Israel. .,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Ayman Daka
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Avichai Weissbach
- Pediatric Intensive Care Unit, Schneider Children's Medical Center of Israel, 4920235, Petach Tikva, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Dror Kraus
- Institute of Neurology, Schneider Children's Medical Center of Israel, Petach Tikva, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Gili Kadmon
- Pediatric Intensive Care Unit, Schneider Children's Medical Center of Israel, 4920235, Petach Tikva, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Rachel Milkh
- Pediatric Sedation Services, Schneider Children's Medical Center of Israel, Petach Tikva, Israel
| | - Elhanan Nahum
- Pediatric Intensive Care Unit, Schneider Children's Medical Center of Israel, 4920235, Petach Tikva, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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26
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Hoppe T, Kraus D, Probstmeier R, Jepsen S, Winter J. Stimulation with Porphyromonas gingivalis enhances malignancy and initiates anoikis resistance in immortalized oral keratinocytes. J Cell Physiol 2019; 234:21903-21914. [PMID: 31026063 DOI: 10.1002/jcp.28754] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 04/01/2019] [Accepted: 04/11/2019] [Indexed: 12/13/2022]
Abstract
The aim of this study was to get new insights into molecular processes involved in tumor propagation of immortalized oral keratinocytes induced by the keystone pathogen Porphyromonas gingivalis. Cell culture experiments with immortalized OKF6 cells were performed to analyze cellular effects caused by bacterial stimulation focusing on altered gene expression, signaling pathways, proliferation rate, cell viability, migration and invasion behavior, and on the development of antiapoptotic pathways. Gene and protein expression were analyzed using real-time polymerase chain reaction, enzyme-linked immunosorbent assay, western blot, and protein arrays. Trypan blue staining was used to analyze proliferation and viability, transwell assays for cellular migration, Matrigel assays for invasion, and anoikis-assays for evaluating anoikis resistance. Stimulation of OKF6 cells with Porphyromonas gingivalis led to an alteration in the molecular repertoire of proteins which are involved in cell proliferation, epithelial-mesenchymal transition, stem cell formation, migration, invasion, and anoikis resistance. Higher proliferation rates were detected in conjunction with an activation of PI3K/Akt signaling and the mTOR-pathway. Additionally, inhibition of glycogen-synthase-kinase3-β led to stabilization of β-catenin and Snail, which resulted in a switch from predominant E-cadherin to N-cadherin expression and increased expression of the stem cell markers Oct3/4, Sox2, and Nanog. Enhanced biosynthesis and enzyme activity of matrix metalloproteinase-9 was accompanied by elevated invasion behavior. Finally, anoikis resistance was detected in stimulated keratinocytes by decreased apoptosis of nonadherent cells and elevated expression of epidermal growth factor receptor and c-Met. Hence, Porphyromonas gingivalis is able to induce a more aggressive tumor-like phenotype in immortalized oral keratinocytes, thus contributing to enhanced tumor features.
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Affiliation(s)
- T Hoppe
- Department of Periodontology, Operative and Preventive Dentistry, University of Bonn, Bonn, Germany
| | - D Kraus
- Department of Prosthodontics, Preclinical Education, and Material Sciences, University of Bonn, Bonn, Germany
| | - R Probstmeier
- Department of Nuclear Medicine, Neuro- and Tumor Cell Biology Group, University Hospital Bonn, University of Bonn, Bonn, Germany
| | - S Jepsen
- Department of Periodontology, Operative and Preventive Dentistry, University of Bonn, Bonn, Germany
| | - J Winter
- Department of Periodontology, Operative and Preventive Dentistry, University of Bonn, Bonn, Germany
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27
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Hartley NJ, Vorberger J, Döppner T, Cowan T, Falcone RW, Fletcher LB, Frydrych S, Galtier E, Gamboa EJ, Gericke DO, Glenzer SH, Granados E, MacDonald MJ, MacKinnon AJ, McBride EE, Nam I, Neumayer P, Pak A, Rohatsch K, Saunders AM, Schuster AK, Sun P, van Driel T, Kraus D. Liquid Structure of Shock-Compressed Hydrocarbons at Megabar Pressures. Phys Rev Lett 2018; 121:245501. [PMID: 30608736 DOI: 10.1103/physrevlett.121.245501] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 10/15/2018] [Indexed: 06/09/2023]
Abstract
We present results for the ionic structure in hydrocarbons (polystyrene, polyethylene) that were shock compressed to pressures of up to 190 GPa, inducing rapid melting of the samples. The structure of the resulting liquid is then probed using in situ diffraction by an x-ray free electron laser beam, demonstrating the capability to obtain reliable diffraction data in a single shot, even for low-Z samples without long range order. The data agree well with ab initio simulations, validating the ability of such approaches to model mixed samples in states where complex interparticle bonds remain, and showing that simpler models are not necessarily valid. While the results clearly exclude the possibility of complete carbon-hydrogen demixing at the conditions probed, they also, in contrast to previous predictions, indicate that diffraction is not always a sufficient diagnostic for this phenomenon.
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Affiliation(s)
- N J Hartley
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
- Open and Transdisciplinary Research Institute, Osaka University, Suita, Osaka 565-0871, Japan
| | - J Vorberger
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
| | - T Döppner
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - T Cowan
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
- Technische Universität Dresden, 01062 Dresden, Germany
| | - R W Falcone
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - L B Fletcher
- SLAC National Accelerator Laboratory, Menlo Park, California 94309, USA
| | - S Frydrych
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
- Technische Universität Darmstadt, Schlossgartenstraße 9, 64289 Darmstadt, Germany
| | - E Galtier
- SLAC National Accelerator Laboratory, Menlo Park, California 94309, USA
| | - E J Gamboa
- SLAC National Accelerator Laboratory, Menlo Park, California 94309, USA
| | - D O Gericke
- Centre for Fusion, Space and Astrophysics, Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - S H Glenzer
- SLAC National Accelerator Laboratory, Menlo Park, California 94309, USA
| | - E Granados
- SLAC National Accelerator Laboratory, Menlo Park, California 94309, USA
| | - M J MacDonald
- SLAC National Accelerator Laboratory, Menlo Park, California 94309, USA
- University of Michigan, Ann Arbor, Michigan 48109, USA
| | - A J MacKinnon
- SLAC National Accelerator Laboratory, Menlo Park, California 94309, USA
| | - E E McBride
- SLAC National Accelerator Laboratory, Menlo Park, California 94309, USA
- European XFEL GmbH, Holzkoppel 4, 22869 Schenefeld, Germany
| | - I Nam
- SLAC National Accelerator Laboratory, Menlo Park, California 94309, USA
| | - P Neumayer
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstraße 1, 64291 Darmstadt, Germany
| | - A Pak
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - K Rohatsch
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
- Technische Universität Dresden, 01062 Dresden, Germany
| | - A M Saunders
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - A K Schuster
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
- Technische Universität Dresden, 01062 Dresden, Germany
| | - P Sun
- SLAC National Accelerator Laboratory, Menlo Park, California 94309, USA
| | - T van Driel
- SLAC National Accelerator Laboratory, Menlo Park, California 94309, USA
| | - D Kraus
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany
- Technische Universität Dresden, 01062 Dresden, Germany
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28
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Bishel DT, Bachmann B, Yi A, Kraus D, Divol L, Bethkenhagen M, Falcone RW, Fletcher LB, Glenzer SH, Landen OL, MacDonald MJ, Masters N, Neumayer P, Redmer R, Saunders AM, Witte BBL, Döppner T. Using time-resolved penumbral imaging to measure low hot spot x-ray emission signals from capsule implosions at the National Ignition Facility. Rev Sci Instrum 2018; 89:10G111. [PMID: 30399716 DOI: 10.1063/1.5037073] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Accepted: 08/11/2018] [Indexed: 06/08/2023]
Abstract
We have developed and fielded a new x-ray pinhole-imaging snout that exploits time-resolved penumbral imaging of low-emission hot spots in capsule implosion experiments at the National Ignition Facility. We report results for a series of indirectly driven Be capsule implosions that aim at measuring x-ray Thomson scattering (XRTS) spectra at extreme density conditions near stagnation. In these implosions, x-ray emission at stagnation is reduced by 100-1000× compared to standard inertial confinement fusion (ICF) implosions to mitigate undesired continuum background in the XRTS spectra. Our snout design not only enables measurements of peak x-ray emission times, t o , where standard ICF diagnostics would not record any signal, but also allows for inference of hot spot shapes. Measurement of t o is crucial to account for shot-to-shot variations in implosion velocity and therefore to benchmark the achieved plasma conditions between shots and against radiation hydrodynamic simulations. Additionally, we used differential filtering to infer a hot spot temperature of 520 ± 80 eV, which is in good agreement with predictions from radiation hydrodynamic simulations. We find that, despite fluctuations of the x-ray flash intensity of up to 5×, the emission time history is similar from shot to shot and slightly asymmetric with respect to peak x-ray emission.
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Affiliation(s)
- D T Bishel
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - B Bachmann
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - A Yi
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - D Kraus
- Helmholtz-Zentrum Dresden-Rossendorf, 01328 Dresden, Germany
| | - L Divol
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - M Bethkenhagen
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - R W Falcone
- Physics Department, University of California Berkeley, Berkeley, California 94720, USA
| | - L B Fletcher
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - S H Glenzer
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - O L Landen
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - M J MacDonald
- Physics Department, University of California Berkeley, Berkeley, California 94720, USA
| | - N Masters
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - P Neumayer
- GSI Helmholtz-Zentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - R Redmer
- Institut für Physik, Universität Rostock, 18051 Rostock, Germany
| | - A M Saunders
- Physics Department, University of California Berkeley, Berkeley, California 94720, USA
| | - B B L Witte
- Institut für Physik, Universität Rostock, 18051 Rostock, Germany
| | - T Döppner
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
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29
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Döppner T, Swift DC, Kritcher AL, Bachmann B, Collins GW, Chapman DA, Hawreliak J, Kraus D, Nilsen J, Rothman S, Benedict LX, Dewald E, Fratanduono DE, Gaffney JA, Glenzer SH, Hamel S, Landen OL, Lee HJ, LePape S, Ma T, MacDonald MJ, MacPhee AG, Milathianaki D, Millot M, Neumayer P, Sterne PA, Tommasini R, Falcone RW. Absolute Equation-of-State Measurement for Polystyrene from 25 to 60 Mbar Using a Spherically Converging Shock Wave. Phys Rev Lett 2018; 121:025001. [PMID: 30085737 DOI: 10.1103/physrevlett.121.025001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Revised: 05/01/2018] [Indexed: 06/08/2023]
Abstract
We have developed an experimental platform for the National Ignition Facility that uses spherically converging shock waves for absolute equation-of-state (EOS) measurements along the principal Hugoniot. In this Letter, we present one indirect-drive implosion experiment with a polystyrene sample that employs radiographic compression measurements over a range of shock pressures reaching up to 60 Mbar (6 TPa). This significantly exceeds previously published results obtained on the Nova laser [R. Cauble et al., Phys. Rev. Lett. 80, 1248 (1998)PRLTAO0031-900710.1103/PhysRevLett.80.1248] at a strongly improved precision, allowing us to discriminate between different EOS models. We find excellent agreement with Kohn-Sham density-functional-theory-based molecular dynamics simulations.
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Affiliation(s)
- T Döppner
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D C Swift
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - A L Kritcher
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - B Bachmann
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - G W Collins
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
- Department of Mechanical Engineering, Physics and Astronomy, University of Rochester, Rochester, New York 14623, USA
| | - D A Chapman
- AWE plc, Aldermaston RG7 4PR, United Kingdom
| | - J Hawreliak
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D Kraus
- University of California, Berkeley, California 94720, USA
- Helmholtz-Zentrum Dresden-Rossendorf, 01328 Dresden, Germany
| | - J Nilsen
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - S Rothman
- AWE plc, Aldermaston RG7 4PR, United Kingdom
| | - L X Benedict
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - E Dewald
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D E Fratanduono
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J A Gaffney
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - S H Glenzer
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - S Hamel
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - O L Landen
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - H J Lee
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - S LePape
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - T Ma
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - M J MacDonald
- University of California, Berkeley, California 94720, USA
| | - A G MacPhee
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D Milathianaki
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - M Millot
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - P Neumayer
- GSI Helmholtz-Zentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - P A Sterne
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - R Tommasini
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - R W Falcone
- University of California, Berkeley, California 94720, USA
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Orenstein N, Goldberg-Stern H, Straussberg R, Bazak L, Weisz Hubshman M, Kropach N, Gilad O, Scheuerman O, Dory Y, Kraus D, Tzur S, Magal N, Kilim Y, Shkalim Zemer V, Basel-Salmon L. A de novo GABRA2 missense mutation in severe early-onset epileptic encephalopathy with a choreiform movement disorder. Eur J Paediatr Neurol 2018; 22:516-524. [PMID: 29422393 DOI: 10.1016/j.ejpn.2017.12.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [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: 05/28/2017] [Revised: 12/16/2017] [Accepted: 12/22/2017] [Indexed: 01/13/2023]
Abstract
BACKGROUND Early-onset epileptic encephalopathy (EOEE) is a severe convulsive disorder with a poor developmental prognosis. Although it has been associated with mutations in a number of genes, the fact that there is a large proportion of patients who remain undiagnosed suggests that there are many more still-unknown genetic causes of EOEE. Achieving a genetic diagnosis is important for understanding the biological basis of the disease, with its implications for treatment and family planning. METHODS Whole-exome sequencing was performed in a family of Ashkenazi Jewish origin in which a male infant was diagnosed with EOEE. There was no family history of a similar neurologic disease. The patient had extreme hypotonia, neonatal hypothermia, choreiform movements, and vision impairment in addition to the convulsive disorder. RESULTS A de novo heterozygous missense mutation, c.1003A > C, p.Asn335His, was identified in a conserved domain of GABRA2. GABRA2 encodes the α2 subunit of the GABAA receptor. CONCLUSIONS In the context of previous reports of an association of de novo mutations in genes encoding different subunits of the GABAA receptor (GABRB1, GABRA1, GABRG2, GABRB3) with autosomal dominant epileptic disorders, we conclude that a de novo mutation in GABRA2 is likely to cause autosomal dominant EOEE accompanied by a movement disorder and vision impairment.
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Affiliation(s)
- Naama Orenstein
- Pediatric Genetics Clinic, Schneider Children's Medical Center of Israel, Petach Tikva 4920235, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel.
| | - Hadassa Goldberg-Stern
- Pediatric Genetics Clinic, Schneider Children's Medical Center of Israel, Petach Tikva 4920235, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; Pediatric Epilepsy Unit, Neurological Institute, Schneider Children's Medical Center of Israel, Petach Tikva 4920235, Israel.
| | - Rachel Straussberg
- Pediatric Genetics Clinic, Schneider Children's Medical Center of Israel, Petach Tikva 4920235, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; Neurogenetic Service, Neurological Institute, Schneider Children's Medical Center of Israel, Petach Tikva 4920235, Israel.
| | - Lily Bazak
- Raphael Recanati Genetics Institute, Rabin Medical Center- Beilinson Hospital, Petach Tikva 4941492, Israel; Mina and Everard Goodman Faculty of Life Science, Bar Ilan University, Ramat Gan 5290002, Israel; Felsenstein Medical Research Center, Rabin Medical Center, Petach Tikva 4941492, Israel.
| | - Monika Weisz Hubshman
- Pediatric Genetics Clinic, Schneider Children's Medical Center of Israel, Petach Tikva 4920235, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; Raphael Recanati Genetics Institute, Rabin Medical Center- Beilinson Hospital, Petach Tikva 4941492, Israel; Felsenstein Medical Research Center, Rabin Medical Center, Petach Tikva 4941492, Israel.
| | - Nesia Kropach
- Pediatric Genetics Clinic, Schneider Children's Medical Center of Israel, Petach Tikva 4920235, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel.
| | - Oded Gilad
- Pediatric Genetics Clinic, Schneider Children's Medical Center of Israel, Petach Tikva 4920235, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel.
| | - Oded Scheuerman
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; Department of Pediatrics B, Schneider Children's Medical Center of Israel, Petach Tikva 4920235, Israel.
| | - Yahav Dory
- Pediatric Genetics Clinic, Schneider Children's Medical Center of Israel, Petach Tikva 4920235, Israel.
| | - Dror Kraus
- Pediatric Genetics Clinic, Schneider Children's Medical Center of Israel, Petach Tikva 4920235, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; Pediatric Epilepsy Unit, Neurological Institute, Schneider Children's Medical Center of Israel, Petach Tikva 4920235, Israel.
| | - Shay Tzur
- Mina and Everard Goodman Faculty of Life Science, Bar Ilan University, Ramat Gan 5290002, Israel; Laboratory of Molecular Medicine, Rambam Health Care Campus, Haifa 3109601, Israel; Genomic Research Department, Emedgene Technologies, Tel Aviv, Israel.
| | - Nurit Magal
- Raphael Recanati Genetics Institute, Rabin Medical Center- Beilinson Hospital, Petach Tikva 4941492, Israel; Felsenstein Medical Research Center, Rabin Medical Center, Petach Tikva 4941492, Israel.
| | - Yael Kilim
- Raphael Recanati Genetics Institute, Rabin Medical Center- Beilinson Hospital, Petach Tikva 4941492, Israel; Felsenstein Medical Research Center, Rabin Medical Center, Petach Tikva 4941492, Israel.
| | - Vered Shkalim Zemer
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; Department of Hematology-Oncology, Schneider Children's Medical Center of Israel, Petach Tikva 4920235, Israel.
| | - Lina Basel-Salmon
- Pediatric Genetics Clinic, Schneider Children's Medical Center of Israel, Petach Tikva 4920235, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; Raphael Recanati Genetics Institute, Rabin Medical Center- Beilinson Hospital, Petach Tikva 4941492, Israel; Felsenstein Medical Research Center, Rabin Medical Center, Petach Tikva 4941492, Israel.
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Kraus D, Wong B, Hu S, Kaul A. Gut Transit in Duchenne Muscular Dystrophy Is Not Impaired: A Study Utilizing Wireless Motility Capsules. J Pediatr 2018; 194:238-240. [PMID: 29224937 DOI: 10.1016/j.jpeds.2017.10.063] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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: 07/19/2017] [Revised: 09/28/2017] [Accepted: 10/26/2017] [Indexed: 10/18/2022]
Abstract
We examined gut transit in 7 young adults (18-24 years of age) with Duchenne muscular dystrophy using wireless motility capsules. Total and segmental gut transit times were normal in essentially all patients. Our study using a validated tool suggests normal transit constipation as the pathophysiologic basis for constipation in Duchenne muscular dystrophy.
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Affiliation(s)
- Dror Kraus
- Department of Neurology, Schneider Children's Medical Center of Israel, Petah Tiqva, Israel.
| | - Brenda Wong
- Division of Neurology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - Shengyong Hu
- Division of Neurology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - Ajay Kaul
- Division of Gastroenterology, Hepatology, and Nutrition, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
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Petkoff B, Mannebach H, Kirkby S, Kraus D. Reconstructing Medical Problem Solving Competence: MACCORD. Methods Inf Med 2018. [DOI: 10.1055/s-0038-1634941] [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: 10/17/2022]
Abstract
AbstractThe building of medical knowledge-based systems involves the reconstruction of methodological principles and structures within the various subdomains of medicine. ACCORD is a general methodology of knowledge-based systems, and MACCORD its application to medicine. MACCORD represents the problem solving behavior of the medical expert in terms of various types of medical reasoning and at various levels of abstraction. With MACCORD the epistemic and cognitive processes in clinical medicine can be described in formal terminology, covering the entire diversity of medical reasoning. MACCORD is close enough to formalization to make a significant contribution to the fields of medical knowledge acquisition, medical didactics and the analysis and application of medical problem solving methods.
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33
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Hoppe T, Göser V, Kraus D, Probstmeier R, Frentzen M, Wenghoefer M, Jepsen S, Winter J. Response of MG63 osteoblasts on bacterial challenge is dependent on the state of differentiation. Mol Oral Microbiol 2017; 33:133-142. [DOI: 10.1111/omi.12203] [Citation(s) in RCA: 5] [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] [Accepted: 10/05/2017] [Indexed: 01/15/2023]
Affiliation(s)
- T. Hoppe
- Department of Periodontology, Operative and Preventive Dentistry; University of Bonn; Bonn Germany
| | - V. Göser
- Department of Periodontology, Operative and Preventive Dentistry; University of Bonn; Bonn Germany
| | - D. Kraus
- Department of Prosthodontics, Preclinical Education and Dental Materials Sciences; University of Bonn; Bonn Germany
| | - R. Probstmeier
- Department of Nuclear Medicine; Neuro- and Tumor Cell Biology Group; University of Bonn; Bonn Germany
| | - M. Frentzen
- Department of Periodontology, Operative and Preventive Dentistry; University of Bonn; Bonn Germany
| | - M. Wenghoefer
- Department of Oral & Maxillofacial Plastic Surgery; University Hospital Bonn, University of Bonn; Bonn Germany
| | - S. Jepsen
- Department of Periodontology, Operative and Preventive Dentistry; University of Bonn; Bonn Germany
| | - J. Winter
- Department of Periodontology, Operative and Preventive Dentistry; University of Bonn; Bonn Germany
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34
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Schumacher D, Bedacht S, Blažević A, Busold S, Cayzac W, Frank A, Heßling T, Kraus D, Ortner A, Schaumann G, Roth M. Temperature measurement of hohlraum radiation for energy loss experiments in indirectly laser heated carbon plasma. Phys Rev E 2017; 96:043210. [PMID: 29347630 DOI: 10.1103/physreve.96.043210] [Citation(s) in RCA: 2] [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] [Received: 04/11/2017] [Indexed: 11/07/2022]
Abstract
For ion energy loss measurements in plasmas with near solid densities, an indirect laser heating scheme for carbon foils has been developed at GSI Helmholtzzentrum für Schwerionenforschung GmbH (Darmstadt, Germany). To achieve an electron density of 10^{22}cm^{3} and an electron temperature of 10-30eV, two carbon foils with an areal density of 100μg/cm^{2} heated in a double-hohlraum configuration have been chosen. In this paper we present the results of temperature measurements of both primary and secondary hohlraums for two different hohlraum designs. They were heated by the PHELIX laser with a wavelength of 527nm and an energy of 150J in 1.5ns. For this purpose the temperature has been investigated by an x-ray streak camera with a transmission grating as the dispersive element.
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Affiliation(s)
- D Schumacher
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany
| | - S Bedacht
- Technische Universität Darmstadt, Darmstadt, Germany
| | - A Blažević
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany.,Helmholtzinstitut Jena, Jena, Germany
| | - S Busold
- Technische Universität Darmstadt, Darmstadt, Germany
| | - W Cayzac
- CEA - DAM Ile de France, Bruyères-le-Châtel, France
| | - A Frank
- Helmholtzinstitut Jena, Jena, Germany
| | - T Heßling
- GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany
| | - D Kraus
- Helmholtzzentrum Dresden-Rossendorf, Dresden, Germany
| | - A Ortner
- Technische Universität Darmstadt, Darmstadt, Germany
| | - G Schaumann
- Technische Universität Darmstadt, Darmstadt, Germany
| | - M Roth
- Technische Universität Darmstadt, Darmstadt, Germany
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35
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Mercuri E, Kirschner J, Baranello G, Servais L, Goemans N, Pera M, Marquet A, Seabrook T, Sturm S, Armstrong G, Kletzl H, Czech C, Kraus D, Abdallah H, Mueller L, Gorni K, Khwaja O. Clinical studies of RG7916 in patients with spinal muscular atrophy: SUNFISH part 1 study update. Neuromuscul Disord 2017. [DOI: 10.1016/j.nmd.2017.06.415] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [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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36
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Gebreselassie HM, Kraus D, Fux CA, Haubitz S, Scherrer A, Hatz C, Veit O, Stoeckle M, Fehr J, de Lucia S, Cavassini M, Bernasconi E, Schmid P, Furrer H, Staehelin C. Ethnicity predicts viral rebound after travel to the tropics in HIV-infected travelers to the tropics in the Swiss HIV Cohort Study. HIV Med 2017; 18:564-572. [PMID: 28247589 DOI: 10.1111/hiv.12491] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/23/2016] [Indexed: 11/30/2022]
Abstract
OBJECTIVES The number of HIV-infected individuals from developed countries travelling to tropical and subtropical areas has increased as a result of the clinical and survival benefits of combination antiretroviral therapy. The aim of our study was to describe the traveler population in the SHCS and to determine the frequency of viral rebound in virologically suppressed individuals after a travel episode to the tropics compared to non-travelers. METHODS Swiss HIV Cohort Study participants with at least one follow-up visit between 1 January 1989 and 28 February 2015 were eligible for inclusion in the study. The primary outcome was the occurrence of viral rebound (viral load > 200 HIV-1 RNA copies/mL) after a travel episode compared with a nontravel episode in previously suppressed individuals (≤ 200 copies/mL). All virologically suppressed patients contributed multiple travel or nontravel episodes to the analysis. Logistic regression was performed including factors associated with viral rebound. RESULTS We included 16 635 patients in the study, of whom 6084 (36.5%) had ever travelled to the tropics. Travel frequency increased over time, with travellers showing better HIV parameters than nontravellers [less advanced Centers for Disease Control and Prevention (CDC) stage and higher CD4 count nadir]. Viral rebound was seen in 477 (3.9%) of 12 265 travel episodes and in 5121 (4.5%) of 114 884 nontravel episodes [unadjusted odds ratio (OR) 0.87; 95% confidence interval (CI) 0.78-0.97]. Among these 477 post-travel viral rebounds, 115 had a resistance test performed and 51 (44%) of these showed new resistance mutations. Compared with European and North American patients, the odds for viral rebound were significantly lower in Southeast Asian (OR 0.67; 95% CI 0.51-0.88) and higher in sub-Saharan African (SSA) patients (OR 1.41; 95% CI 1.22-1.62). Travel further increased the odds of viral rebound in SSA patients (OR 2.00; 95% CI 1.53-2.61). CONCLUSIONS Region of origin is the main risk factor for viral rebound rather than travel per se. Pre-travel adherence counselling should focus on patients of SSA origin.
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Affiliation(s)
- H M Gebreselassie
- Department of Infectious Diseases, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - D Kraus
- Department of Infectious Diseases, Inselspital, Bern University Hospital, University of Bern, Switzerland.,Institute for Social and Preventive Medicine, Bern University, Bern, Switzerland.,Institute of Mathematics and Statistics, Masaryk University, Brno, Czech Republic
| | - C A Fux
- Department of Infectious Diseases and Hospital Hygiene, Kantonsspital Aarau, Aarau, Switzerland
| | - S Haubitz
- Department of Infectious Diseases, Inselspital, Bern University Hospital, University of Bern, Switzerland.,Department of Infectious Diseases and Hospital Hygiene, Kantonsspital Aarau, Aarau, Switzerland
| | - A Scherrer
- Division of Infectious Diseases and Hospital Epidemiology, Zürich University Hospital, Zürich, Switzerland
| | - C Hatz
- Swiss Tropical and Public Health Institute, Basel, Switzerland.,Institute for Epidemiology, Biostatistics and Prevention, University of Zürich, Zürich, Switzerland
| | - O Veit
- Institute for Epidemiology, Biostatistics and Prevention, University of Zürich, Zürich, Switzerland
| | - M Stoeckle
- Clinic for Infectious Diseases, University Hospital Basel, Basel, Switzerland
| | - J Fehr
- Division of Infectious Diseases and Hospital Epidemiology, Zürich University Hospital, Zürich, Switzerland
| | - S de Lucia
- Department of Infectious Diseases, Geneva University Hospital, Geneva, Switzerland
| | - M Cavassini
- Department of Infectious Diseases, Lausanne University Hospital, Lausanne, Switzerland
| | - E Bernasconi
- Department of Infectious Diseases, Lugano Regional Hospital, Lugano, Switzerland
| | - P Schmid
- Department of Infectious Diseases, St. Gallen Cantonal Hospital, St. Gallen, Switzerland
| | - H Furrer
- Department of Infectious Diseases, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - C Staehelin
- Department of Infectious Diseases, Inselspital, Bern University Hospital, University of Bern, Switzerland
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37
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Saunders AM, Jenei A, Döppner T, Falcone RW, Kraus D, Kritcher A, Landen OL, Nilsen J, Swift D. X-ray Thomson scattering measurements from hohlraum-driven spheres on the OMEGA laser. Rev Sci Instrum 2016; 87:11E724. [PMID: 27910609 DOI: 10.1063/1.4962044] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
X-ray Thomson scattering (XRTS) is a powerful diagnostic for probing warm and hot dense matter. We present the design and results of the first XRTS experiments with hohlraum-driven CH2 targets on the OMEGA laser facility at the Laboratory for Laser Energetics in Rochester, NY. X-rays seen directly from the XRTS x-ray source overshadow the elastic scattering signal from the target capsule but can be controlled in future experiments. From the inelastic scattering signal, an average plasma temperature is inferred that is in reasonable agreement with the temperatures predicted by simulations. Knowledge gained in this experiment shows a promising future for further XRTS measurements on indirectly driven OMEGA targets.
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Affiliation(s)
- A M Saunders
- University of California Berkeley, Berkeley, California 94720, USA
| | - A Jenei
- Lawrence Livermore National Laboratory, Livermore, California 94551, USA
| | - T Döppner
- Lawrence Livermore National Laboratory, Livermore, California 94551, USA
| | - R W Falcone
- University of California Berkeley, Berkeley, California 94720, USA
| | - D Kraus
- Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstrasse 400, 01328 Dresden, Germany
| | - A Kritcher
- Lawrence Livermore National Laboratory, Livermore, California 94551, USA
| | - O L Landen
- Lawrence Livermore National Laboratory, Livermore, California 94551, USA
| | - J Nilsen
- Lawrence Livermore National Laboratory, Livermore, California 94551, USA
| | - D Swift
- Lawrence Livermore National Laboratory, Livermore, California 94551, USA
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38
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MacDonald MJ, Gorkhover T, Bachmann B, Bucher M, Carron S, Coffee RN, Drake RP, Ferguson KR, Fletcher LB, Gamboa EJ, Glenzer SH, Göde S, Hau-Riege SP, Kraus D, Krzywinski J, Levitan AL, Meiwes-Broer KH, O'Grady CP, Osipov T, Pardini T, Peltz C, Skruszewicz S, Swiggers M, Bostedt C, Fennel T, Döppner T. Measurement of high-dynamic range x-ray Thomson scattering spectra for the characterization of nano-plasmas at LCLS. Rev Sci Instrum 2016; 87:11E709. [PMID: 27910491 DOI: 10.1063/1.4960502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Atomic clusters can serve as ideal model systems for exploring ultrafast (∼100 fs) laser-driven ionization dynamics of dense matter on the nanometer scale. Resonant absorption of optical laser pulses enables heating to temperatures on the order of 1 keV at near solid density conditions. To date, direct probing of transient states of such nano-plasmas was limited to coherent x-ray imaging. Here we present the first measurement of spectrally resolved incoherent x-ray scattering from clusters, enabling measurements of transient temperature, densities, and ionization. Single shot x-ray Thomson scattering signals were recorded at 120 Hz using a crystal spectrometer in combination with a single-photon counting and energy-dispersive pnCCD. A precise pump laser collimation scheme enabled recording near background-free scattering spectra from Ar clusters with an unprecedented dynamic range of more than 3 orders of magnitude. Such measurements are important for understanding collective effects in laser-matter interactions on femtosecond time scales, opening new routes for the development of schemes for their ultrafast control.
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Affiliation(s)
- M J MacDonald
- University of Michigan, Ann Arbor, Michigan 48109, USA
| | - T Gorkhover
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - B Bachmann
- Lawrence Livermore National Laboratory, Livermore, California 94551, USA
| | - M Bucher
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - S Carron
- California Lutheran University, Thousand Oaks, California 91360, USA
| | - R N Coffee
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - R P Drake
- University of Michigan, Ann Arbor, Michigan 48109, USA
| | - K R Ferguson
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - L B Fletcher
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - E J Gamboa
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - S H Glenzer
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - S Göde
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - S P Hau-Riege
- Lawrence Livermore National Laboratory, Livermore, California 94551, USA
| | - D Kraus
- University of California, Berkeley, California 94720, USA
| | - J Krzywinski
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - A L Levitan
- Franklin W. Olin College of Engineering, Needham, Massachusetts 02492, USA
| | | | - C P O'Grady
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - T Osipov
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - T Pardini
- Lawrence Livermore National Laboratory, Livermore, California 94551, USA
| | - C Peltz
- Universität Rostock, D-18051 Rostock, Germany
| | | | - M Swiggers
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - C Bostedt
- Argonne National Lab, Lemont, Illinois 60439, USA
| | - T Fennel
- Universität Rostock, D-18051 Rostock, Germany
| | - T Döppner
- Lawrence Livermore National Laboratory, Livermore, California 94551, USA
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39
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Döppner T, Kraus D, Neumayer P, Bachmann B, Emig J, Falcone RW, Fletcher LB, Hardy M, Kalantar DH, Kritcher AL, Landen OL, Ma T, Saunders AM, Wood RD. Improving a high-efficiency, gated spectrometer for x-ray Thomson scattering experiments at the National Ignition Facility. Rev Sci Instrum 2016; 87:11E515. [PMID: 27910303 DOI: 10.1063/1.4959874] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We are developing x-ray Thomson scattering for applications in implosion experiments at the National Ignition Facility. In particular we have designed and fielded MACS, a high-efficiency, gated x-ray spectrometer at 7.5-10 keV [T. Döppner et al., Rev. Sci. Instrum. 85, 11D617 (2014)]. Here we report on two new Bragg crystals based on Highly Oriented Pyrolytic Graphite (HOPG), a flat crystal and a dual-section cylindrically curved crystal. We have performed in situ calibration measurements using a brass foil target, and we used the flat HOPG crystal to measure Mo K-shell emission at 18 keV in 2nd order diffraction. Such high photon energy line emission will be required to penetrate and probe ultra-high-density plasmas or plasmas of mid-Z elements.
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Affiliation(s)
- T Döppner
- Lawrence Livermore National Laboratory, Livermore, California 94720, USA
| | - D Kraus
- University of California, Berkeley, California 94720, USA
| | - P Neumayer
- Gesellschaft für Schwerionenphysik, Darmstadt, Germany
| | - B Bachmann
- Lawrence Livermore National Laboratory, Livermore, California 94720, USA
| | - J Emig
- Lawrence Livermore National Laboratory, Livermore, California 94720, USA
| | - R W Falcone
- University of California, Berkeley, California 94720, USA
| | - L B Fletcher
- SLAC National Accelerator Laboratory, Menlo Park, California 94720, USA
| | - M Hardy
- Lawrence Livermore National Laboratory, Livermore, California 94720, USA
| | - D H Kalantar
- Lawrence Livermore National Laboratory, Livermore, California 94720, USA
| | - A L Kritcher
- Lawrence Livermore National Laboratory, Livermore, California 94720, USA
| | - O L Landen
- Lawrence Livermore National Laboratory, Livermore, California 94720, USA
| | - T Ma
- Lawrence Livermore National Laboratory, Livermore, California 94720, USA
| | - A M Saunders
- University of California, Berkeley, California 94720, USA
| | - R D Wood
- Lawrence Livermore National Laboratory, Livermore, California 94720, USA
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40
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Fletcher LB, Zastrau U, Galtier E, Gamboa EJ, Goede S, Schumaker W, Ravasio A, Gauthier M, MacDonald MJ, Chen Z, Granados E, Lee HJ, Fry A, Kim JB, Roedel C, Mishra R, Pelka A, Kraus D, Barbrel B, Döppner T, Glenzer SH. High resolution x-ray Thomson scattering measurements from cryogenic hydrogen jets using the linac coherent light source. Rev Sci Instrum 2016; 87:11E524. [PMID: 27910564 DOI: 10.1063/1.4959792] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We present the first spectrally resolved measurements of x-rays scattered from cryogenic hydrogen jets in the single photon counting limit. The 120 Hz capabilities of the LCLS, together with a novel hydrogen jet design [J. B. Kim et al., Rev. Sci. Instrum. (these proceedings)], allow for the ability to record a near background free spectrum. Such high-dynamic-range x-ray scattering measurements enable a platform to study ultra-fast, laser-driven, heating dynamics of hydrogen plasmas. This measurement has been achieved using two highly annealed pyrolytic graphite crystal spectrometers to spectrally resolve 5.5 keV x-rays elastically and inelastically scattered from cryogenic hydrogen and focused on Cornell-SLAC pixel array detectors [S. Herrmann et al., Nucl. Instrum. Methods Phys. Res., Sect. A 718, 550 (2013)].
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Affiliation(s)
- L B Fletcher
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | | | - E Galtier
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - E J Gamboa
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - S Goede
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - W Schumaker
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - A Ravasio
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - M Gauthier
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - M J MacDonald
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - Z Chen
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - E Granados
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - H J Lee
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - A Fry
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - J B Kim
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - C Roedel
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - R Mishra
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - A Pelka
- Helmholtz Zentrum Dresden-Rossendorf, Dresden, Germany
| | - D Kraus
- Helmholtz Zentrum Dresden-Rossendorf, Dresden, Germany
| | - B Barbrel
- Department of Physics, University of California Berkeley, Berkeley, California 94720, USA
| | - T Döppner
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - S H Glenzer
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
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Greco G, Kraus D, Arosio P, Di Stefano D. Utilizzo di un micromotore implantare per la misura della densità ossea e della stabilità primaria in riabilitazione implantoprotesica: caso clinico. Dental Cadmos 2016. [DOI: 10.19256/d.cadmos.08.2016.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Kraus D. Spontane intercostale Thoraxwandhernien. Zentralbl Chir 2016. [DOI: 10.1055/s-0036-1587556] [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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Cohen R, Halevy A, Aharoni S, Kraus D, Konen O, Basel-Vanagaite L, Goldberg-Stern H, Straussberg R. Polymicrogyria and myoclonic epilepsy in autosomal recessive cutis laxa type 2A. Neurogenetics 2016; 17:251-257. [PMID: 27631729 DOI: 10.1007/s10048-016-0491-3] [Citation(s) in RCA: 4] [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: 04/27/2016] [Accepted: 08/17/2016] [Indexed: 11/27/2022]
Abstract
Cutis laxa syndromes are rare inherited disorders of skin and connective tissue metabolism associated with variable systemic involvement. The main clinical manifestation is loose, wrinkled, redundant, inelastic skin, hypotonia, typical facies including short nose and down-slanting palpebral fissures, and varying degrees of developmental delay. The aim of this report is to describe two siblings diagnosed with a moderate form of ATP6V0A2-related cutis laxa with polymicrogyria (cobblestone-like brain dysgenesis). One of the patients has myoclonic epilepsy which may have contributed to his more severe clinical presentation. The literature on cutis laxa syndromes is reviewed.
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Affiliation(s)
- Rony Cohen
- Department of Pediatric Neurology and Epilepsy Center, Schneider Children's Medical Center of Israel, Petach Tikva, 4920235, Israel. .,Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Ayelet Halevy
- Department of Pediatric Neurology and Epilepsy Center, Schneider Children's Medical Center of Israel, Petach Tikva, 4920235, Israel.,Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Sharon Aharoni
- Department of Pediatric Neurology and Epilepsy Center, Schneider Children's Medical Center of Israel, Petach Tikva, 4920235, Israel.,Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Dror Kraus
- Department of Pediatric Neurology and Epilepsy Center, Schneider Children's Medical Center of Israel, Petach Tikva, 4920235, Israel.,Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Osnat Konen
- Department of Radiology, Schneider Children's Medical Center of Israel, Petach Tikva, Israel.,Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Lina Basel-Vanagaite
- Pediatric Genetic Service, Schneider Children's Medical Center of Israel, Petach Tikva, Israel.,Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.,Raphael Recanati Genetics Institute, Rabin Medical Center - Beilinson Hospital, Petach Tikva, Israel
| | - Hadassa Goldberg-Stern
- Department of Pediatric Neurology and Epilepsy Center, Schneider Children's Medical Center of Israel, Petach Tikva, 4920235, Israel.,Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Rachel Straussberg
- Department of Pediatric Neurology and Epilepsy Center, Schneider Children's Medical Center of Israel, Petach Tikva, 4920235, Israel.,Pediatric Genetic Service, Schneider Children's Medical Center of Israel, Petach Tikva, Israel.,Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
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Boehm KJ, Hash N, Barker D, Döppner T, Farrell MP, Fitzsimmons P, Kaczala D, Kraus D, Maranville B, Mauldin M, Neumayer P, Segraves K. Design and Engineering of a Target for X-Ray Thomson Scattering Measurements on Matter at Extreme Densities and Gigabar Pressures. Fusion Science and Technology 2016. [DOI: 10.13182/fst15-242] [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] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- K.-J. Boehm
- General Atomics, P.O. Box 85608, San Diego, California 92186
| | - N. Hash
- General Atomics, P.O. Box 85608, San Diego, California 92186
| | - D. Barker
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550
| | - T. Döppner
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550
| | - M. P. Farrell
- General Atomics, P.O. Box 85608, San Diego, California 92186
| | - P. Fitzsimmons
- General Atomics, P.O. Box 85608, San Diego, California 92186
| | - D. Kaczala
- General Atomics, P.O. Box 85608, San Diego, California 92186
| | - D. Kraus
- University of California, Department of Physics, Berkeley, California 94720
| | - B. Maranville
- Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94550
| | - M. Mauldin
- General Atomics, P.O. Box 85608, San Diego, California 92186
| | - P. Neumayer
- GSI Helmholtzzentrum fuer Schwerionenforschung, Planckstrasse 1, 64291 Darmstadt, Germany
| | - K. Segraves
- Schafer Corporation, 303 Lindbergh Avenue, Livermore, California 94551
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Hoppe T, Kraus D, Novak N, Probstmeier R, Frentzen M, Wenghoefer M, Jepsen S, Winter J. Oral pathogens change proliferation properties of oral tumor cells by affecting gene expression of human defensins. Tumour Biol 2016; 37:13789-13798. [PMID: 27481514 DOI: 10.1007/s13277-016-5281-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [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: 04/28/2016] [Accepted: 07/15/2016] [Indexed: 02/08/2023] Open
Abstract
The impact of oral pathogens onto the generation and variability of oral tumors has only recently been investigated. To get further insights, oral cancer cells were treated with pathogens and additionally, as a result of this bacterial cellular infection, with human defensins, which are as anti-microbial peptide members of the innate immune system. After cell stimulation, proliferation behavior, expression analysis of oncogenic relevant defensin genes, and effects on EGFR signaling were investigated. The expression of oncogenic relevant anti-microbial peptides was analyzed with real-time PCR and immunohistochemistry. Cell culture experiments were performed to examine cellular impacts caused by stimulation, i.e., altered gene expression, proliferation rate, and EGF receptor-dependent signaling. Incubation of oral tumor cells with an oral pathogen (Porphyromonas gingivalis) and human α-defensins led to an increase in cell proliferation. In contrast, another oral bacterium used, Aggregatibacter actinomycetemcomitans, enhanced cell death. The bacteria and anti-microbial peptides exhibited diverse effects on the transcript levels of oncogenic relevant defensin genes and epidermal growth factor receptor signaling. These two oral pathogens exhibited opposite primary effects on the proliferation behavior of oral tumor cells. Nevertheless, both microbe species led to similar secondary impacts on the proliferation rate by modifying expression levels of oncogenic relevant α-defensin genes. In this respect, oral pathogens exerted multiplying effects on tumor cell proliferation. Additionally, human defensins were shown to differently influence epidermal growth factor receptor signaling, supporting the hypothesis that these anti-microbial peptides serve as ligands of EGFR, thus modifying the proliferation behavior of oral tumor cells.
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Affiliation(s)
- T Hoppe
- Department of Periodontology, Operative and Preventive Dentistry, University of Bonn, Welschnonnenstr. 17, 53111, Bonn, Germany
| | - D Kraus
- Department of Prosthodontics, Preclinical Education, and Material Science, University of Bonn, Welschnonnenstr. 17, 53111, Bonn, Germany
| | - N Novak
- Department of Dermatology and Allergy, University Hospital Bonn, University of Bonn, Sigmund-Freud-Str. 25, 53127, Bonn, Germany
| | - R Probstmeier
- Neuro- and Tumor Cell Biology Group, Department of Nuclear Medicine, University Hospital Bonn, University of Bonn, Sigmund-Freud-Str. 25, 53127, Bonn, Germany
| | - M Frentzen
- Department of Periodontology, Operative and Preventive Dentistry, University of Bonn, Welschnonnenstr. 17, 53111, Bonn, Germany
| | - M Wenghoefer
- Department of Oral and Maxillofacial Plastic Surgery, University Hospital Bonn, University of Bonn, Sigmund-Freud-Str. 25, 53127, Bonn, Germany
| | - S Jepsen
- Department of Periodontology, Operative and Preventive Dentistry, University of Bonn, Welschnonnenstr. 17, 53111, Bonn, Germany
| | - J Winter
- Department of Periodontology, Operative and Preventive Dentistry, University of Bonn, Welschnonnenstr. 17, 53111, Bonn, Germany.
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Kraus D, Chapman DA, Kritcher AL, Baggott RA, Bachmann B, Collins GW, Glenzer SH, Hawreliak JA, Kalantar DH, Landen OL, Ma T, Le Pape S, Nilsen J, Swift DC, Neumayer P, Falcone RW, Gericke DO, Döppner T. X-ray scattering measurements on imploding CH spheres at the National Ignition Facility. Phys Rev E 2016; 94:011202. [PMID: 27575070 DOI: 10.1103/physreve.94.011202] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Indexed: 06/06/2023]
Abstract
We have performed spectrally resolved x-ray scattering measurements on highly compressed polystyrene at pressures of several tens of TPa (100 Mbar) created by spherically convergent shocks at the National Ignition Facility. Scattering data of line radiation at 9.0 keV were recorded from the dense plasma shortly after shock coalescence. Accounting for spatial gradients, opacity effects, and source broadening, we demonstrate the sensitivity of the elastic scattering component to carbon K-shell ionization while at the same time constraining the temperature of the dense plasma. For six times compressed polystyrene, we find an average temperature of 86 eV and carbon ionization state of 4.9, indicating that widely used ionization models need revision in order to be suitable for the extreme states of matter tested in our experiment.
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Affiliation(s)
- D Kraus
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - D A Chapman
- Centre for Fusion, Space and Astrophysics, Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
- Plasma Physics Group, Radiation Physics Department, AWE plc, Reading RG7 4PR, United Kingdom
| | - A L Kritcher
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - R A Baggott
- Centre for Fusion, Space and Astrophysics, Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - B Bachmann
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - G W Collins
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - S H Glenzer
- SLAC National Accelerator Laboratory, Menlo Park, California 94309, USA
| | - J A Hawreliak
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
- Institute for Shock Physics, Washington State University, Pullman, Washington 99164, USA
| | - D H Kalantar
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - O L Landen
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - T Ma
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - S Le Pape
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - J Nilsen
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - D C Swift
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - P Neumayer
- GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
| | - R W Falcone
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - D O Gericke
- Centre for Fusion, Space and Astrophysics, Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - T Döppner
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
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Kraus D, Döppner T, Kritcher AL, Yi A, Boehm K, Bachmann B, Divol L, Fletcher LB, Glenzer SH, Landen OL, Masters N, Saunders AM, Weber C, Falcone RW, Neumayer P. Platform for spectrally resolved x-ray scattering from imploding capsules at the National Ignition Facility. ACTA ACUST UNITED AC 2016. [DOI: 10.1088/1742-6596/717/1/012067] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [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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Zapp B, Kraus NA, Rudolphi B, Kraus BJ, Sauer A, Klein J, Wanner C, Kraus D. Nicotinamide N-methyltransferase (NNMT) regulates insulin sensitivity differentially in white and brown adipocytes. DIABETOL STOFFWECHS 2016. [DOI: 10.1055/s-0036-1580809] [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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Rudolphi B, Sauer A, Zapp B, Kraus NA, Wanner C, Kraus D. Tissue distribution of nicotinamide N-methyltransferase activity in lean and in diet-induced obese mice. DIABETOL STOFFWECHS 2016. [DOI: 10.1055/s-0036-1580822] [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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Kraus NA, Rudolphi B, Zapp B, Wanner C, Kraus D. Valid assessment of lipid content of cultured adipocytes using oil red O. DIABETOL STOFFWECHS 2016. [DOI: 10.1055/s-0036-1580975] [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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