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Berger S, Barnett N, Thakur S. Using Auto-Videosomnography to Study the Relation between Sleep and Nightwaking in Infancy. Sleep Med 2022. [DOI: 10.1016/j.sleep.2022.05.565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Berger S, Barnett N, Thakur S. Parents’ Values Shape Parenting Practices and Beliefs that Impact Infant Sleep. Sleep Med 2022. [DOI: 10.1016/j.sleep.2022.05.544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Berger S, Hinse P, Eschenburg S, Reubold T. Structural and functional characterization of altronate oxidoreductase from Escherichia coli. Acta Cryst Sect A 2022. [DOI: 10.1107/s2053273322093561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
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Grootjans H, Verschuuren E, van Gemert A, Berger S, Kerstjens H, Droogh J, Gan T. Long-Term Renal Outcome in Patients Bridged on ICU for Lung Transplantation. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Joachim A, Cavalleri JMV, Berger S. [Equine anaplasmosis and equine piroplasmosis in Germany, Austria and Switzerland - previously anecdotal, now relevant?]. SCHWEIZ ARCH TIERH 2022; 164:35-50. [PMID: 34983738 DOI: 10.17236/sat00335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
INTRODUCTION Equine granulocytic anaplasmosis (EGA) and equine piroplasmosis (EP) are triggered by tick-borne pathogens - the intracellular bacterium Anaplasma phagocytophilum and the intracellular protozoa Babesia caballi and Theileria equi. These pathogens attack cells in the blood stream and cause similar clinical symptoms and changes in laboratory values. Although the treatment principles are naturally different, similarities in prophylaxis exists due to the transmission route. Tick transmitted pathogens can play a greater role in equine medicine in the future due to various factors, such as the tendency of relevant tick species to spread, but also the increasing import and travel activities of and with pets (both in the context of sporting events and as a leisure activity). While EGA is endemic in Central Europe, EP is a sporadic disease in Switzerland, Austria and Germany. However, EP must be viewed as underdiagnosed, as horses persistently infected with T. equi are also repeatedly detected in Central Europe. These diseases should be considered in horses with a fever and corresponding laboratory changes. Available diagnostic tests are direct pathogen detection by blood smear or PCR, and, indirect antibody detection, which is considered to be highly sensitive and (as a competitive ELISA) also very specific. Acute infections can be detected with PCR, serology is more suitable for chronic infections. A pathogen-free condition after treatment can be demonstrated with decreasing antibody titers in combination with repeated PCR tests. In addition, clinically healthy horses infected with T. equi should be identified by antibody detection and appropriate preventative transmission measures must be initiated. The prophylaxis of tick bites in horses is difficult due to the high exposure, and long-term tick bite prevention can hardly be guaranteed. Monitoring of tick activity and strict measures to prevent the spread of the pathogen within the tick population are therefore of great importance.
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Affiliation(s)
- A Joachim
- Institut für Parasitologie, Vetmeduni Wien, Österreich
| | | | - S Berger
- Universitätsklinik für Pferde, Vetmeduni Wien, Österreich
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Berger S, Shaw DR, Berben T, Ouboter HT, In 't Zandt MH, Frank J, Reimann J, Jetten MSM, Welte CU. Current production by non-methanotrophic bacteria enriched from an anaerobic methane-oxidizing microbial community. Biofilm 2021; 3:100054. [PMID: 34308332 PMCID: PMC8258643 DOI: 10.1016/j.bioflm.2021.100054] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [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: 01/29/2021] [Revised: 04/12/2021] [Accepted: 05/19/2021] [Indexed: 12/21/2022] Open
Abstract
In recent years, the externalization of electrons as part of respiratory metabolic processes has been discovered in many different bacteria and some archaea. Microbial extracellular electron transfer (EET) plays an important role in many anoxic natural or engineered ecosystems. In this study, an anaerobic methane-converting microbial community was investigated with regard to its potential to perform EET. At this point, it is not well-known if or how EET confers a competitive advantage to certain species in methane-converting communities. EET was investigated in a two-chamber electrochemical system, sparged with methane and with an applied potential of +400 mV versus standard hydrogen electrode. A biofilm developed on the working electrode and stable low-density current was produced, confirming that EET indeed did occur. The appearance and presence of redox centers at −140 to −160 mV and at −230 mV in the biofilm was confirmed by cyclic voltammetry scans. Metagenomic analysis and fluorescence in situ hybridization of the biofilm showed that the anaerobic methanotroph ‘Candidatus Methanoperedens BLZ2’ was a significant member of the biofilm community, but its relative abundance did not increase compared to the inoculum. On the contrary, the relative abundance of other members of the microbial community significantly increased (up to 720-fold, 7.2% of mapped reads), placing these microorganisms among the dominant species in the bioanode community. This group included Zoogloea sp., Dechloromonas sp., two members of the Bacteroidetes phylum, and the spirochete Leptonema sp. Genes encoding proteins putatively involved in EET were identified in Zoogloea sp., Dechloromonas sp. and one member of the Bacteroidetes phylum. We suggest that instead of methane, alternative carbon sources such as acetate were the substrate for EET. Hence, EET in a methane-driven chemolithoautotrophic microbial community seems a complex process in which interactions within the microbial community are driving extracellular electron transfer to the electrode.
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Affiliation(s)
- S Berger
- Institute for Water and Wetland Research, Department of Microbiology, Radboud University, Nijmegen, the Netherlands
| | - D R Shaw
- Biological and Environmental Science and Engineering Division, Water Desalination and Reuse Research Center, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia.,Soehngen Institute of Anaerobic Microbiology, Radboud University, Nijmegen, the Netherlands
| | - T Berben
- Institute for Water and Wetland Research, Department of Microbiology, Radboud University, Nijmegen, the Netherlands
| | - H T Ouboter
- Institute for Water and Wetland Research, Department of Microbiology, Radboud University, Nijmegen, the Netherlands.,Soehngen Institute of Anaerobic Microbiology, Radboud University, Nijmegen, the Netherlands
| | - M H In 't Zandt
- Institute for Water and Wetland Research, Department of Microbiology, Radboud University, Nijmegen, the Netherlands.,Netherlands Earth System Science Center, Utrecht University, Utrecht, the Netherlands
| | - J Frank
- Institute for Water and Wetland Research, Department of Microbiology, Radboud University, Nijmegen, the Netherlands.,Soehngen Institute of Anaerobic Microbiology, Radboud University, Nijmegen, the Netherlands
| | - J Reimann
- Institute for Water and Wetland Research, Department of Microbiology, Radboud University, Nijmegen, the Netherlands
| | - M S M Jetten
- Institute for Water and Wetland Research, Department of Microbiology, Radboud University, Nijmegen, the Netherlands.,Netherlands Earth System Science Center, Utrecht University, Utrecht, the Netherlands.,Soehngen Institute of Anaerobic Microbiology, Radboud University, Nijmegen, the Netherlands
| | - C U Welte
- Institute for Water and Wetland Research, Department of Microbiology, Radboud University, Nijmegen, the Netherlands.,Soehngen Institute of Anaerobic Microbiology, Radboud University, Nijmegen, the Netherlands
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Ducoli L, Agrawal S, Sibler E, Kouno T, Tacconi C, Hon C, Berger S, Müllhaupt D, He Y, Kim J, D’Addio M, Dieterich L, Carninci P, de Hoon M, Shin J, Detmar M. 152 LETR1 is a lymphatic endothelial-specific lncRNA governing cell proliferation and migration through KLF4 and SEMA3C. J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.02.172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Zehetner V, Lipnik K, Url A, de Heus P, Fröhlich W, Cavalleri JMV, Berger S. Pulmonary fibrosis in a donkey. PFERDEHEILKUNDE 2021. [DOI: 10.21836/pem20210505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Scabia G, Cancello R, Dallanoce C, Berger S, Matera C, Dattilo A, Zulian A, Barone I, Ceccarini G, Santini F, De Amici M, Di Blasio AM, Maffei M. ICH3, a selective alpha7 nicotinic acetylcholine receptor agonist, modulates adipocyte inflammation associated with obesity. J Endocrinol Invest 2020; 43:983-993. [PMID: 31965518 DOI: 10.1007/s40618-020-01182-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 01/08/2020] [Indexed: 02/06/2023]
Abstract
PURPOSE The alpha7 nicotinic acetylcholine receptor (α7nAChR), involved in the modulation of inflammation and insulin sensitivity, is downregulated in white adipose tissue (WAT) of obese patients. This study aims to test the ability of a selective synthetic α7nAChR agonist, the spirocyclic Δ2-isoxazoline derivative (R)-(-)-ICH3 (ICH3), to counteract acute inflammation and obesity-associated modifications in WAT. METHODS We employed the LPS-septic shock murine model, human primary adipocytes and diet-induced obese (DIO) mice. Inflammatory factor expression was assessed by ELISA and quantitative real-time PCR. Flow cytometry was employed to define WAT inflammatory infiltrate. Insulin signaling was monitored by quantification of AKT phosphorylation. RESULTS In the septic shock model, ICH3 revealed antipyretic action and reduced the surge of circulating cytokines. In vitro, ICH3 stimulation (10 µM) preserved viability of human adipocytes, decreased IL-6 mRNA (P < 0.05) and blunted LPS-induced peak of TNFα (P < 0.05) and IL-6 (P < 0.01). Chronic administration of ICH3 to DIO mice was associated with lower numbers of CD8+ T cells (P < 0.05) and to changed WAT expression of inflammatory factors (Hp, P < 0.05; CD301/MGL1, P < 0.01; Arg-1, P < 0.05). As compared to untreated, ICH3 DIO mice exhibited improved insulin signaling in the skeletal muscle (P < 0.01) mirrored by an improved response to glucose load (ipGTT: P < 0.05 at 120 min). CONCLUSIONS We proved that ICH3 is an anti-inflammatory drug, able to reduce inflammatory cytokines in human adipocytes and to blunt the effects of obesity on WAT inflammatory profile, on glucose tolerance and on tissue insulin sensitivity.
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Affiliation(s)
- G Scabia
- CNR Institute of Clinical Physiology, Pisa, Italy
- Obesity and Lipodystrophy Center at Endocrinology Unit, University Hospital of Pisa, Pisa, Italy
| | - R Cancello
- Laboratorio di Ricerche Sull'Obesità, Istituto Auxologico Italiano, IRCCS, Milan, Italy
| | - C Dallanoce
- Department of Pharmaceuticals Sciences, University of Milano, Milan, Italy
| | - S Berger
- Obesity and Lipodystrophy Center at Endocrinology Unit, University Hospital of Pisa, Pisa, Italy
- Dulbecco Telethon Institute, Pisa, Italy
| | - C Matera
- Department of Pharmaceuticals Sciences, University of Milano, Milan, Italy
| | - A Dattilo
- Obesity and Lipodystrophy Center at Endocrinology Unit, University Hospital of Pisa, Pisa, Italy
- Life Science Institute, Scuola Superiore Sant'Anna, Pisa, Italy
| | - A Zulian
- Laboratorio di Ricerche Sull'Obesità, Istituto Auxologico Italiano, IRCCS, Milan, Italy
| | - I Barone
- Obesity and Lipodystrophy Center at Endocrinology Unit, University Hospital of Pisa, Pisa, Italy
| | - G Ceccarini
- Obesity and Lipodystrophy Center at Endocrinology Unit, University Hospital of Pisa, Pisa, Italy
| | - F Santini
- Obesity and Lipodystrophy Center at Endocrinology Unit, University Hospital of Pisa, Pisa, Italy
| | - M De Amici
- Department of Pharmaceuticals Sciences, University of Milano, Milan, Italy
| | - A M Di Blasio
- Laboratorio di Ricerche di Biologia Molecolare, Istituto Auxologico Italiano, IRCCS, Milan, Italy.
| | - M Maffei
- CNR Institute of Clinical Physiology, Pisa, Italy.
- Obesity and Lipodystrophy Center at Endocrinology Unit, University Hospital of Pisa, Pisa, Italy.
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Kutschar P, Berger S, Brandauer A, Freywald N, Osterbrink J, Seidenspinner D, Gnass I. Nursing Education Intervention Effects on Pain Intensity of Nursing Home Residents with Different Levels of Cognitive Impairment: A Cluster-Randomized Controlled Trial. J Pain Res 2020; 13:633-648. [PMID: 32273749 PMCID: PMC7105359 DOI: 10.2147/jpr.s237056] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Accepted: 03/07/2020] [Indexed: 11/23/2022] Open
Abstract
PURPOSE Pain management in nursing homes is challenging and pain prevalence remains high. The objective of this study was to improve the pain situation of nursing home residents following a nursing-related educational intervention within a cluster-randomized controlled trial (2016-2018). PARTICIPANTS Clusters were nursing homes from one nursing home operator in Bavaria, Germany. Nursing home residents who were permanently registered in the facilities, at least 60 years of age, and who themselves or their legal guardians provided informed consent were included. INTERVENTION In addition to the implementation of pain nurses and pain care assistants, staff of the intervention group received an educational intervention in pain management, containing classroom (quality circles) and web-based training for nurses. METHODS Based on the Mini-Mental State Examination (MMSE), residents were either interviewed (MMSE 10-30) using self-report instruments or observed (MMSE 0-9) by proxy assessment. The primary outcome in residents able to self-report was maximum pain intensity according to Brief Pain Inventory (BPI); in those not able to self-report treatment-relevant pain above cut-off (≥2) on the Pain Assessment in Advanced Dementia (PAINAD). RESULTS Out of 20 randomly selected clusters, 9 nursing homes from the control, and 6 nursing homes from the intervention group participated. Multilevel linear (n=347 residents, MMSE 10-30) and logistic regression (n=222 residents, MMSE 0-9) analyses were conducted. Maximum pain intensity was higher after intervention (B=1.32, p<0.01), decreased with a better quality of life (B=-0.07, p<0.001), and was lower when dementia diagnoses were present (B=-1.12, p<0.01). PAINAD scores before and after intervention did not differ significantly (OR=0.89, p=0.724), but chances to exhibit treatment-related pain were higher with decreasing MMSE (OR=0.94, p<0.05). CONCLUSION While no significant positive intervention effect was measured, findings suggest nurses' raised awareness towards pain management. Overall results indicate that large-scale educational interventions seem to be less effective in complex nursing home settings without also including specific individual-based intervention measures.
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Affiliation(s)
- P Kutschar
- Institute of Nursing Science and Practice, Paracelsus Medical University, Salzburg, Austria
| | - S Berger
- Institute of Nursing Science and Practice, Paracelsus Medical University, Salzburg, Austria
| | - A Brandauer
- Institute of Nursing Science and Practice, Paracelsus Medical University, Salzburg, Austria
| | - N Freywald
- Institute of Nursing Science and Practice, Paracelsus Medical University, Salzburg, Austria
| | - J Osterbrink
- Institute of Nursing Science and Practice, Paracelsus Medical University, Salzburg, Austria
- Brooks College of Health, University of North Florida, Jacksonville, FL, USA
| | - D Seidenspinner
- Nursing Science and Practice Development, University Hospital of Munich-Großhadern (LMU), Munich, Germany
| | - I Gnass
- Institute of Nursing Science and Practice, Paracelsus Medical University, Salzburg, Austria
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Poitevin E, Nicolas M, Graveleau L, Richoz J, Andrey D, Monard F, Abrahamson A, Baillon A, Barrios J, Berger S, Berrocal R, Bos R, Brullebaut L, Caseiro C, Choo LF, Cole G, Daix G, Dekussche C, Dhillon GS, Fortineau A, Gaudin C, Gonzales MJ, Leal R, Mabiog RO, Noorlos T, Reba R, Senechal C. Improvement of AOAC Official Method 984.27 for the Determination of Nine Nutritional Elements in Food Products by Inductively Coupled Plasma-Atomic Emission Spectroscopy After Microwave Digestion: Single-Laboratory Validation and Ring Trial. J AOAC Int 2019. [DOI: 10.1093/jaoac/92.5.1484] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
A single-laboratory validation (SLV) and a ring trial (RT) were undertaken to determine nine nutritional elements in food products by inductively coupled plasma-atomic emission spectroscopy in order to improve and update AOAC Official Method 984.27. The improvements involved optimized microwave digestion, selected analytical lines, internal standardization, and ion buffering. Simultaneous determination of nine elements (calcium, copper, iron, potassium, magnesium, manganese, sodium, phosphorus, and zinc) was made in food products. Sample digestion was performed through wet digestion of food samples by microwave technology with either closed or open vessel systems. Validation was performed to characterize the method for selectivity, sensitivity, linearity, accuracy, precision, recovery, ruggedness, and uncertainty. The robustness and efficiency of this method was proved through a successful internal RT using experienced food industry laboratories. Performance characteristics are reported for 13 certified and in-house reference materials, populating the AOAC triangle food sectors, which fulfilled AOAC criteria and recommendations for accuracy (trueness, recovery, and z-scores) and precision (repeatability and reproducibility RSD and HorRat values) regarding SLV and RT. This multielemental method is cost-efficient, time-saving, accurate, and fit-for-purpose according to ISO 17025 Norm and AOAC acceptability criteria, and is proposed as an improved version of AOAC Official Method 984.27 for fortified food products, including infant formula.
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Affiliation(s)
- Eric Poitevin
- Nestlé Research Center, Vers-Chez-Les-Blanc, CH-1000 Lausanne 26, Switzerland
| | - Marine Nicolas
- Nestlé Research Center, Vers-Chez-Les-Blanc, CH-1000 Lausanne 26, Switzerland
| | - Laetitia Graveleau
- Nestlé Research Center, Vers-Chez-Les-Blanc, CH-1000 Lausanne 26, Switzerland
| | - Janique Richoz
- Nestlé Research Center, Vers-Chez-Les-Blanc, CH-1000 Lausanne 26, Switzerland
| | - Daniel Andrey
- Nestlé Research Center, Vers-Chez-Les-Blanc, CH-1000 Lausanne 26, Switzerland
| | - Florence Monard
- Nestlé Research Center, Vers-Chez-Les-Blanc, CH-1000 Lausanne 26, Switzerland
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Krause A, Aries PM, Berger S, Fiehn C, Kellner H, Lorenz HM, Meier L, Müller GA, Müller-Ladner U, Schwarting A, Tony HP, Peters MA, Wendler J. Rituximab in routine care of severe active rheumatoid arthritis : A prospective, non-interventional study in Germany. Z Rheumatol 2019; 78:881-888. [PMID: 30276727 DOI: 10.1007/s00393-018-0552-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
OBJECTIVE To assess safety, effectiveness and onset of effect of rituximab (RTX) in routine clinical treatment of severe, active rheumatoid arthritis (RA). METHODS Prospective, multi-centre, non-interventional study in rheumatological outpatient clinics or private practices in Germany. RTX-naïve adult patients were to receive RTX according to marketing authorisation and at their physician's discretion. Also according to their physician's discretion, patients could receive a second cycle of RTX (re-treatment = treatment continuation). Major outcome was the change in Disease Activity Score based on 28-joints count and erythrocyte sedimentation rate (DAS28-ESR) over 24 weeks and during 6 months of re-treatment. RESULTS Overall, 1653 patients received at least one cycle RTX; 99.2% of these had received disease-modifying antirheumatic drugs (DMARD) pre-treatment and 75.5% anti-tumor necrosis factor(TNF)‑α pre-treatment. After a mean interval of 8.0 months, 820 patients received RTX re-treatment. Mean DAS28-ESR decreased from 5.3 at baseline to 3.8 after 24 weeks (-1.5 [95% confidence interval, CI: -1.6; -1.4]), and from 4.1 at start of cycle 2 to 3.5 at study end (change from baseline: -1.8 [95% CI: -2.0; -1.7]). Improvements in DAS28-ESR and Health Assessment Questionnaire (HAQ) score occurred mainly during the first 12 weeks of RTX treatment, with further DAS28-ESR improvement until week 24 or month 6 of re-treatment. Improvements in DAS28-ESR and EULAR responses were more pronounced in seropositive patients. RF was a predictor of DAS28-ESR change to study end. Safety analysis showed the established profile of RTX. CONCLUSION RTX was safe and effective in a real-life setting with rapid and sustained improvement in RA signs and symptoms.
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Affiliation(s)
- A Krause
- Abteilung Rheumatologie und Klinische Immunologie, Klinik für Innere Medizin, Immanuel Krankenhaus, Königstraße 63, 14109, Berlin, Germany.
| | - P M Aries
- Rheumatologie im Struenseehaus, Hamburg, Germany
| | - S Berger
- Private Practice, Naunhof, Germany
| | - C Fiehn
- Praxis für Rheumatologie und klinische Immunologie, Baden-Baden, Germany
| | - H Kellner
- Private Practice and Division of Rheumatology, KH Neuwittelsbach, Munich, Germany
| | - H-M Lorenz
- Division of Rheumatology, University Hospital Heidelberg, Heidelberg, Germany
| | - L Meier
- RheumaPraxis, Hofheim, Germany
| | - G A Müller
- Department of Nephrology and Rheumatology, University Hospital Göttingen, Göttingen, Germany
| | - U Müller-Ladner
- Department of Rheumatology and Clinical Immunology, Kerckhoff Hospital GmbH, Bad Nauheim, Germany
| | - A Schwarting
- First Department of Medicine, University Hospital, Johannes Gutenberg-University, Mainz, Germany
| | - H-P Tony
- Division of Clinical Immunology/Rheumatology, Department of Internal Medicine II, University of Würzburg, Würzburg, Germany
| | - M A Peters
- Medical Management Rheumatology, Roche Pharma AG, Grenzach-Wyhlen, Germany
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Fenaux H, Chassaing M, Berger S, Gantzer C, Bertrand I, Schvoerer E. Transmission of hepatitis E virus by water: An issue still pending in industrialized countries. Water Res 2019; 151:144-157. [PMID: 30594083 DOI: 10.1016/j.watres.2018.12.014] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 12/05/2018] [Accepted: 12/07/2018] [Indexed: 06/09/2023]
Abstract
Hepatitis E virus (HEV) is an enteric virus divided into eight genotypes. Genotype 1 (G1) and G2 are specific to humans; G3, G4 and G7 are zoonotic genotypes infecting humans and animals. Transmission to humans through water has been demonstrated for G1 and G2, mainly in developing countries, but is only suspected for the zoonotic genotypes. Thus, the water-related HEV hazard may be due to human and animal faeces. The high HEV genetic variability allows considering the presence in wastewater of not only different genotypes, but also quasispecies adding even greater diversity. Moreover, recent studies have demonstrated that HEV particles may be either quasi-enveloped or non-enveloped, potentially implying differential viral behaviours in the environment. The presence of HEV has been demonstrated at the different stages of the water cycle all over the world, especially for HEV G3 in Europe and the USA. Concerning HEV survival in water, the virus does not have higher resistance to inactivating factors (heat, UV, chlorine, physical removal), compared to viral indicators (MS2 phage) or other highly resistant enteric viruses (Hepatitis A virus). But the studies did not take into account genetic (genogroups, quasispecies) or structural (quasi- or non-enveloped forms) HEV variability. Viral variability could indeed modify HEV persistence in water by influencing its interaction with the environment, its infectivity and its pathogenicity, and subsequently its transmission by water. The cell culture methods used to study HEV survival still have drawbacks (challenging virus cultivation, time consuming, lack of sensitivity). As explained in the present review, the issue of HEV transmission to humans through water is similar to that of other enteric viruses because of their similar or lower survival. HEV transmission to animals through water and how the virus variability affects its survival and transmission remain to be investigated.
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Affiliation(s)
- H Fenaux
- Laboratoire de Virologie, CHRU de Nancy Brabois, F-54511 Vandoeuvre lès Nancy, France; Laboratoire de Chimie Physique et Microbiologie pour les Matériaux et l'Environnement, LCPME UMR 7564 CNRS-UL, F-54600 Villers lès Nancy, France
| | - M Chassaing
- Laboratoire de Chimie Physique et Microbiologie pour les Matériaux et l'Environnement, LCPME UMR 7564 CNRS-UL, F-54600 Villers lès Nancy, France
| | - S Berger
- Laboratoire de Virologie, CHRU de Nancy Brabois, F-54511 Vandoeuvre lès Nancy, France
| | - C Gantzer
- Laboratoire de Chimie Physique et Microbiologie pour les Matériaux et l'Environnement, LCPME UMR 7564 CNRS-UL, F-54600 Villers lès Nancy, France
| | - I Bertrand
- Laboratoire de Chimie Physique et Microbiologie pour les Matériaux et l'Environnement, LCPME UMR 7564 CNRS-UL, F-54600 Villers lès Nancy, France
| | - E Schvoerer
- Laboratoire de Virologie, CHRU de Nancy Brabois, F-54511 Vandoeuvre lès Nancy, France; Laboratoire de Chimie Physique et Microbiologie pour les Matériaux et l'Environnement, LCPME UMR 7564 CNRS-UL, F-54600 Villers lès Nancy, France.
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Hagelskamp L, Berger S, Villalobos M, Thomas M, Wensing M, Mahler C. Nurse navigators in thoracic oncology: A qualitative study of German nurses’ attitudes to nursing role expansion. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy276.003] [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: 11/14/2022] Open
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Meyre P, Blum S, Berger S, Aeschbacher S, Schoepfer H, Briel M, Niessner A, Osswald S, Conen D. P975Incidence and risk factors for all-cause hospitalizations in patients with atrial fibrillation: a systematic review and meta-analysis. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- P Meyre
- University Hospital Basel, Cardiology, Basel, Switzerland
| | - S Blum
- University Hospital Basel, Cardiology, Basel, Switzerland
| | - S Berger
- University Hospital Basel, Cardiology, Basel, Switzerland
| | - S Aeschbacher
- University Hospital Basel, Cardiology, Basel, Switzerland
| | - H Schoepfer
- University Hospital Basel, Cardiology, Basel, Switzerland
| | - M Briel
- University Hospital Basel, Basel Institute for Clinical Epidemiology and Biostatistics, Department of Clinical Research, Basel, Switzerland
| | - A Niessner
- Medical University of Vienna, Division of Cardiology, Department of Internal Medicine II, Vienna, Austria
| | - S Osswald
- University Hospital Basel, Cardiology, Basel, Switzerland
| | - D Conen
- McMaster University, Population Health Research Institute, Hamilton, Canada
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16
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Fenaux H, Chassaing M, Berger S, Jeulin H, Gentilhomme A, Bensenane M, Bronowicki J, Gantzer C, Bertrand I, Schvoerer E. Molecular features of Hepatitis E Virus circulation in environmental and human samples. J Clin Virol 2018; 103:63-70. [DOI: 10.1016/j.jcv.2018.04.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 03/20/2018] [Accepted: 04/03/2018] [Indexed: 12/20/2022]
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17
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Berger S, Pho H, Fleury Curado T, Schwartz A, Polotsky V. 0077 Intranasal Leptin Approach To Treat Sleep-disordered Breathing. Sleep 2018. [DOI: 10.1093/sleep/zsy061.076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- S Berger
- Division of Pulmonary and Critical Care Medicine Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD
| | - H Pho
- Division of Pulmonary and Critical Care Medicine Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD
| | - T Fleury Curado
- Division of Pulmonary and Critical Care Medicine Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD
| | - A Schwartz
- Division of Pulmonary and Critical Care Medicine Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD
| | - V Polotsky
- Division of Pulmonary and Critical Care Medicine Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD
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18
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PHO H, Berger S, Fleury Curado T, Schwartz AR, Polotsky VY. 0133 Leptin Signaling In Dorsal Medial Hypothalamus Regulates Upper Airway Patency And Reverses Sleep Disordered Breathing In Leptin-resistant Db/db Mice. Sleep 2018. [DOI: 10.1093/sleep/zsy061.132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- H PHO
- Johns Hopkins, Baltimore, MD
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Fleury Curado TA, Pho H, Berger S, Lee R, Sennes L, Schwartz AR, Polotsky VY. 0067 Chemogenetic Silencing of Hypoglossal Motor Neurons Creates a Model of Upper Airway Obstruction During Sleep. Sleep 2018. [DOI: 10.1093/sleep/zsy061.066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- T A Fleury Curado
- The Johns Hopkins Asthma and Allergy Center, Baltimore, MD, United States, Baltimore, MD
| | - H Pho
- The Johns Hopkins Asthma and Allergy Center, Baltimore, MD, United States, Baltimore, MD
| | - S Berger
- The Johns Hopkins Asthma and Allergy Center, Baltimore, MD, United States, Baltimore, MD
| | - R Lee
- The Johns Hopkins Asthma and Allergy Center, Baltimore, MD, United States, Baltimore, MD
| | - L Sennes
- Otolaryngology Department, University of Sao Paulo, Sao Paulo, Brazil, Sao Paulo, BRAZIL
| | - A R Schwartz
- The Johns Hopkins Asthma and Allergy Center, Baltimore, MD, United States, Baltimore, MD
| | - V Y Polotsky
- The Johns Hopkins Asthma and Allergy Center, Baltimore, MD, United States, Baltimore, MD
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20
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Berger S, Gökeri C, Dietert K, Behrendt U, Lienau J, Gruber AD, Suttorp N, Witzenrath M, Nouailles G. Delay in Adequate Antiobiotic Therapy Results in Fatal Disease Outcome in a Mouse Model of CAP. Pneumologie 2018. [DOI: 10.1055/s-0037-1619425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- S Berger
- Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Infectious Diseases and Pulmonary Medicine
| | - C Gökeri
- Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Infectious Diseases and Pulmonary Medicine
| | - K Dietert
- Department of Veterinary Pathology, Freie Universität Berlin
| | - U Behrendt
- Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Infectious Diseases and Pulmonary Medicine
| | - J Lienau
- Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Infectious Diseases and Pulmonary Medicine
| | - AD Gruber
- Department of Veterinary Pathology, Freie Universität Berlin
| | - N Suttorp
- Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Infectious Diseases and Pulmonary Medicine
| | - M Witzenrath
- Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Infectious Diseases and Pulmonary Medicine
| | - G Nouailles
- Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Infectious Diseases and Pulmonary Medicine
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Soulie C, Morand-Joubert L, Cottalorda J, Charpentier C, Bellecave P, Le Guen L, Yerly S, Montes B, Fafi-Kremer S, Dina J, Avettand-Fenoel V, Amiel C, Roussel C, Pallier C, Zafilaza K, Sayon S, Signori-Schmuck A, Mirand A, Trabaud MA, Berger S, Calvez V, Marcelin AG. Performance of genotypic algorithms for predicting tropism for HIV-1 CRF01_AE recombinant. J Clin Virol 2018; 99-100:57-60. [PMID: 29331843 DOI: 10.1016/j.jcv.2017.12.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [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: 09/21/2017] [Revised: 10/04/2017] [Accepted: 12/28/2017] [Indexed: 11/19/2022]
Abstract
OBJECTIVES There is no consensus about the performances of genotypic rules for predicting HIV-1 non-B subtype tropism. Three genotypic methods were compared for CRF01_AE HIV-1 tropism determination. METHODS The V3 env region of 207 HIV-1 CRF01_AE and 178 B subtypes from 17 centers in France and 1 center in Switzerland was sequenced. Tropism was determined by Geno2Pheno algorithm with false positive rate (FPR) 5% or 10%, the 11/25 rule or the combined criteria of the 11/25, net charge rule and NXT/S mutations. RESULTS Overall, 72.5%, 59.4%, 86.0%, 90.8% of the 207 HIV-1 CRF01_AE were R5-tropic viruses determined by Geno2pheno FPR5%, Geno2pheno FPR10%, the combined criteria and the 11/25 rule, respectively. A concordance of 82.6% was observed between Geno2pheno FPR5% and the combined criteria for CRF01_AE. The results were nearly similar for the comparison between Geno2pheno FPR5% and the 11/25 rule. More mismatches were observed when Geno2pheno was used with the FPR10%. Neither HIV viral load, nor current or nadir CD4 was associated with the discordance rate between the different algorithms. CONCLUSION Geno2pheno predicted more X4-tropic viruses for this set of CRF01_AE sequences than the combined criteria or the 11/25 rule alone. For a conservative approach, Geno2pheno FPR5% seems to be a good compromise to predict CRF01_AE tropism.
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Affiliation(s)
- C Soulie
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, Institut Pierre Louis d'épidémiologie et de Santé Publique (IPLESP UMRS 1136), Paris, France; AP-HP, Hôpital Pitié-Salpêtrière, Service de Virologie, Paris, France.
| | - L Morand-Joubert
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, Institut Pierre Louis d'épidémiologie et de Santé Publique (IPLESP UMRS 1136), Paris, France; AP-HP, Hôpital Saint Antoine, Service de Virologie, Paris, France
| | | | - C Charpentier
- IAME, UMR 1137-Université Paris Diderot, Sorbonne Paris Cité, INSERM, AP-HP, Hôpital Bichat, Laboratoire de Virologie, Paris, France
| | - P Bellecave
- CHU de Bordeaux, Laboratoire de Virologie, Univ. Bordeaux, CNRS UMR 5234, Bordeaux, France
| | - L Le Guen
- Laboratoire de virologie, CHU, Nantes, France
| | - S Yerly
- Laboratory of Virology, Geneva University Hospitals, Switzerland
| | - B Montes
- Laboratoire de Virologie, CHU, Montpellier, France
| | | | - J Dina
- Laboratoire de virologie, CHU, Caen, France
| | - V Avettand-Fenoel
- AP-HP, Laboratoire de Virologie, Hôpital Necker, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, Faculté de Médecine, EA7327, France
| | - C Amiel
- AP-HP, Laboratoire de Virologie, Hôpital Tenon, Paris, France
| | | | | | - K Zafilaza
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, Institut Pierre Louis d'épidémiologie et de Santé Publique (IPLESP UMRS 1136), Paris, France; AP-HP, Hôpital Pitié-Salpêtrière, Service de Virologie, Paris, France
| | - S Sayon
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, Institut Pierre Louis d'épidémiologie et de Santé Publique (IPLESP UMRS 1136), Paris, France; AP-HP, Hôpital Pitié-Salpêtrière, Service de Virologie, Paris, France
| | | | | | - M A Trabaud
- Hôpital de la Croix-Rousse, Hospices Civils de Lyon, Lyon, France
| | - S Berger
- Laboratoire de Virologie, CHU de Nancy Brabois, EA 7300, Université de Lorraine, Faculté de Médecine, Vandoeuvre les Nancy, France
| | - V Calvez
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, Institut Pierre Louis d'épidémiologie et de Santé Publique (IPLESP UMRS 1136), Paris, France; AP-HP, Hôpital Pitié-Salpêtrière, Service de Virologie, Paris, France
| | - A G Marcelin
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, Institut Pierre Louis d'épidémiologie et de Santé Publique (IPLESP UMRS 1136), Paris, France; AP-HP, Hôpital Pitié-Salpêtrière, Service de Virologie, Paris, France
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Leutgeb R, Engeser P, Berger S, Szecsenyi J, Laux G. Erratum to: Out of hours care in Germany - High utilization by adult patients with minor ailments? BMC Fam Pract 2017; 18:64. [PMID: 28499356 PMCID: PMC5429518 DOI: 10.1186/s12875-017-0632-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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23
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Drews R, Pattyn F, Hewitt IJ, Ng FSL, Berger S, Matsuoka K, Helm V, Bergeot N, Favier L, Neckel N. Actively evolving subglacial conduits and eskers initiate ice shelf channels at an Antarctic grounding line. Nat Commun 2017; 8:15228. [PMID: 28485400 PMCID: PMC5482720 DOI: 10.1038/ncomms15228] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [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: 10/10/2016] [Accepted: 03/09/2017] [Indexed: 11/08/2022] Open
Abstract
Ice-shelf channels are long curvilinear tracts of thin ice found on Antarctic ice shelves. Many of them originate near the grounding line, but their formation mechanisms remain poorly understood. Here we use ice-penetrating radar data from Roi Baudouin Ice Shelf, East Antarctica, to infer that the morphology of several ice-shelf channels is seeded upstream of the grounding line by large basal obstacles indenting the ice from below. We interpret each obstacle as an esker ridge formed from sediments deposited by subglacial water conduits, and calculate that the eskers' size grows towards the grounding line where deposition rates are maximum. Relict features on the shelf indicate that these linked systems of subglacial conduits and ice-shelf channels have been changing over the past few centuries. Because ice-shelf channels are loci where intense melting occurs to thin an ice shelf, these findings expose a novel link between subglacial drainage, sedimentation and ice-shelf stability.
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Affiliation(s)
- R. Drews
- Université libre de Bruxelles, Laboratoire de Glaciologie, Avenue F.D. Roosevelt 50, Brussels 1050, Belgium
- Bavarian Academy of Sciences and Humanities, Glaziologie, Alfons-Goppel-Str. 11, Munich 80539, Germany
| | - F. Pattyn
- Université libre de Bruxelles, Laboratoire de Glaciologie, Avenue F.D. Roosevelt 50, Brussels 1050, Belgium
| | - I. J. Hewitt
- University of Oxford, Mathematical Institute, Woodstock Road, Oxford OX26GG, UK
| | - F. S. L. Ng
- The University of Sheffield, Department of Geography, Winter street, Sheffield S102TN, UK
| | - S. Berger
- Université libre de Bruxelles, Laboratoire de Glaciologie, Avenue F.D. Roosevelt 50, Brussels 1050, Belgium
| | - K. Matsuoka
- Norwegian Polar Institute, Fram Centre 9296 Tromsø, Norway
| | - V. Helm
- Alfred Wegener Institute, Am Alten Hafen 26, Bremerhaven 27568, Germany
| | - N. Bergeot
- Royal Observatory of Belgium, Av. Circulaire 3, Brussels 1180, Belgium
| | - L. Favier
- Université libre de Bruxelles, Laboratoire de Glaciologie, Avenue F.D. Roosevelt 50, Brussels 1050, Belgium
| | - N. Neckel
- Alfred Wegener Institute, Am Alten Hafen 26, Bremerhaven 27568, Germany
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Bemelman FJ, de Fijter JW, Kers J, Meyer C, Peters-Sengers H, de Maar EF, van der Pant KAMI, de Vries APJ, Sanders JS, Zwinderman A, Idu MM, Berger S, Reinders MEJ, Krikke C, Bajema IM, van Dijk MC, Ten Berge IJM, Ringers J, Lardy J, Roelen D, Moes DJ, Florquin S, Homan van der Heide JJ. Early Conversion to Prednisolone/Everolimus as an Alternative Weaning Regimen Associates With Beneficial Renal Transplant Histology and Function: The Randomized-Controlled MECANO Trial. Am J Transplant 2017; 17:1020-1030. [PMID: 27639190 DOI: 10.1111/ajt.14048] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Revised: 08/20/2016] [Accepted: 09/07/2016] [Indexed: 01/25/2023]
Abstract
In renal transplantation, use of calcineurin inhibitors (CNIs) is associated with nephrotoxicity and immunosuppression with malignancies and infections. This trial aimed to minimize CNI exposure and total immunosuppression while maintaining efficacy. We performed a randomized controlled, open-label multicenter trial with early cyclosporine A (CsA) elimination. Patients started with basiliximab, prednisolone (P), mycophenolate sodium (MPS), and CsA. At 6 months, immunosuppression was tapered to P/CsA, P/MPS, or P/everolimus (EVL). Primary outcomes were renal fibrosis and inflammation. Secondary outcomes were estimated glomerular filtration rate (eGFR) and incidence of rejection at 24 months. The P/MPS arm was prematurely halted. The trial continued with P/CsA (N = 89) and P/EVL (N = 96). Interstitial fibrosis and inflammation were significantly decreased and the eGFR was significantly higher in the P/EVL arm. Cumulative rejection rates were 13% (P/EVL) and 19% (P/CsA), (p = 0.08). A post hoc analysis of HLA and donor-specific antibodies at 1 year after transplantation revealed no differences. An individualized immunosuppressive strategy of early CNI elimination to dual therapy with everolimus was associated with decreased allograft fibrosis, preserved allograft function, and good efficacy, but also with more serious adverse events and discontinuation. This can be a valuable alternative regimen in patients suffering from CNI toxicity.
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Affiliation(s)
- F J Bemelman
- Renal Transplant Unit, Amsterdam, the Netherlands
| | - J W de Fijter
- Renal Transplant Unit, Department of Nephrology, Leiden University Medical Centre, Leiden, the Netherlands
| | - J Kers
- Department of Pathology, Academic Medical Centre, Amsterdam, the Netherlands
| | - C Meyer
- University of Amsterdam, Amsterdam, the Netherlands
| | | | - E F de Maar
- Department of Nephrology, Groningen University Hospital, Groningen, the Netherlands
| | | | - A P J de Vries
- Renal Transplant Unit, Department of Nephrology, Leiden University Medical Centre, Leiden, the Netherlands
| | - J-S Sanders
- Department of Nephrology, Groningen University Hospital, Groningen, the Netherlands
| | - A Zwinderman
- Department of Epidemiology and Biostatistics, Academic Medical Centre, Amsterdam, the Netherlands
| | - M M Idu
- Department of Surgery, Academic Medical Centre, Amsterdam, the Netherlands
| | - S Berger
- Department of Nephrology, Groningen University Hospital, Groningen, the Netherlands
| | - M E J Reinders
- Renal Transplant Unit, Department of Nephrology, Leiden University Medical Centre, Leiden, the Netherlands
| | - C Krikke
- Department of Surgery, Groningen University Hospital, Groningen, the Netherlands
| | - I M Bajema
- Department of Pathology, Leiden University Medical Centre, Leiden, the Netherlands
| | - M C van Dijk
- Department of Pathology, Groningen University Hospital, Groningen, the Netherlands
| | | | - J Ringers
- Department of Surgery, Leiden University Medical Centre, Leiden, the Netherlands
| | - J Lardy
- Sanquin Diagnostic Services, Amsterdam, the Netherlands
| | - D Roelen
- Department of Immunogenetics and Transplantation Immunology, Leiden University Medical Centre, Leiden, the Netherlands
| | - D-J Moes
- Department of Clinical Pharmacy and Toxicology, Leiden University Medical Centre, Leiden, the Netherlands
| | - S Florquin
- Department of Pathology, Academic Medical Centre, Amsterdam, the Netherlands
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Gökeri C, Berger S, Behrendt U, Wienhold SM, Dorhoi A, Suttorp N, Witzenrath M, Nouailles-Kursar G. Regulators of Neutrophilic Inflammation in Community Acquired Pneumonia. Pneumologie 2017. [DOI: 10.1055/s-0037-1598365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- C Gökeri
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - S Berger
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - U Behrendt
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - SM Wienhold
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - A Dorhoi
- Department of Immunology, Max Planck Institute for Infection Biology, Berlin
| | - N Suttorp
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - M Witzenrath
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - G Nouailles-Kursar
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
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Berger S, Gökeri C, Behrendt U, Wienhold SM, Lienau J, Suttorp N, Nouailles-Kursar G, Witzenrath M. In vivo Analysis of Murine Pneumococcal Pneumonia for Mathematical Modelling of Community Aquired Pneumonia. Pneumologie 2017. [DOI: 10.1055/s-0037-1598367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- S Berger
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - C Gökeri
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - U Behrendt
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - SM Wienhold
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - J Lienau
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - N Suttorp
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - G Nouailles-Kursar
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - M Witzenrath
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
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Berger S, Wienhold SM, Gökeri C, Behrendt U, Fatykhova D, Zscheppang K, Berg J, Gisch N, Dietert K, Doehn JM, Hocke A, Witzenrath M, Nouailles-Kursar G. Spatial and temporal regulation of neutrophil-attractant CXCL5/LIX in acute streptococcal pneumonia. Pneumologie 2017. [DOI: 10.1055/s-0037-1598372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- S Berger
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - SM Wienhold
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - C Gökeri
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - U Behrendt
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - D Fatykhova
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - K Zscheppang
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - J Berg
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - N Gisch
- Leibniz Center for Medicine and Biosciences, Research Center Borstel
| | - K Dietert
- Institute of Veterinary Pathology, Freie Universität Berlin
| | - JM Doehn
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - A Hocke
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - M Witzenrath
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
| | - G Nouailles-Kursar
- Department of Infectious Diseases and Pulmonary Medicine, Charité-Universitätsmedizin Berlin
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Hinner M, Bel Aiba R, Schlosser C, Jaquin T, Allersdorfer A, Berger S, Wiedenmann A, Matschiner G, Schüler J, Moebius U, Rothe C, Olwill S. Costimulatory T-cell engagement by PRS-343, a CD137 (4-1BB)/HER2 bispecific, leads to tumor growth inhibition and TIL expansion in a humanized mouse model. Eur J Cancer 2016. [DOI: 10.1016/s0959-8049(16)32894-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Efimov S, Khodov I, Ratkova E, Kiselev M, Berger S, Klochkov V. Detailed NOESY/T-ROESY analysis as an effective method for eliminating spin diffusion from 2D NOE spectra of small flexible molecules. J Mol Struct 2016. [DOI: 10.1016/j.molstruc.2015.09.036] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Misof B, Liu S, Meusemann K, Peters RS, Donath A, Mayer C, Frandsen PB, Ware J, Flouri T, Beutel RG, Niehuis O, Petersen M, Izquierdo-Carrasco F, Wappler T, Rust J, Aberer AJ, Aspock U, Aspock H, Bartel D, Blanke A, Berger S, Bohm A, Buckley TR, Calcott B, Chen J, Friedrich F, Fukui M, Fujita M, Greve C, Grobe P, Gu S, Huang Y, Jermiin LS, Kawahara AY, Krogmann L, Kubiak M, Lanfear R, Letsch H, Li Y, Li Z, Li J, Lu H, Machida R, Mashimo Y, Kapli P, McKenna DD, Meng G, Nakagaki Y, Navarrete-Heredia JL, Ott M, Ou Y, Pass G, Podsiadlowski L, Pohl H, von Reumont BM, Schutte K, Sekiya K, Shimizu S, Slipinski A, Stamatakis A, Song W, Su X, Szucsich NU, Tan M, Tan X, Tang M, Tang J, Timelthaler G, Tomizuka S, Trautwein M, Tong X, Uchifune T, Walzl MG, Wiegmann BM, Wilbrandt J, Wipfler B, Wong TKF, Wu Q, Wu G, Xie Y, Yang S, Yang Q, Yeates DK, Yoshizawa K, Zhang Q, Zhang R, Zhang W, Zhang Y, Zhao J, Zhou C, Zhou L, Ziesmann T, Zou S, Li Y, Xu X, Zhang Y, Yang H, Wang J, Wang J, Kjer KM, Zhou X. Phylogenomics resolves the timing and pattern of insect evolution. Science 2014; 346:763-7. [DOI: 10.1126/science.1257570] [Citation(s) in RCA: 1672] [Impact Index Per Article: 167.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Klinguer-Hamour C, Broussas M, Akla B, Berger S, Boute N, Beau-Larvor C, Robert A, Haeuw J, Goetsch L, Bailly C, Corvaia N. 351 hz515H7, a humanized antibody exerts its antitumor activity via antagonism of the CXCR4/SDF-1 axis, and through effector functions. Eur J Cancer 2014. [DOI: 10.1016/s0959-8049(14)70477-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Raman G, Avendano E, Berger S, Menon V, Bartlett J. Initial Inappropriate Antibiotic Therapy in Hospitalized Patients with Gram-Negative Infections: Systematic Review And Meta-Analysis. Value Health 2014; 17:A667. [PMID: 27202442 DOI: 10.1016/j.jval.2014.08.2461] [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: 06/05/2023]
Affiliation(s)
- G Raman
- Tufts University School of Medicine; Tufts Medical Center, Boston, MA, USA
| | | | - S Berger
- Tufts Medical Center, Boston, MA, USA
| | - V Menon
- Cubist Pharmaceuticals, Lexington, MA, USA
| | - J Bartlett
- Johns Hopkins University School of Medicine, Baltimore, MD, USA
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Abstract
Abstract
A low temperature X-ray study of the enol of benzoylacetone indicates fixed positions of the C and O atoms within the enolic ring system and an extensive bond delocalisation over these atoms. The distribution of electron density between the two oxygen atoms shows that the enolic hydrogen is spread over a wide range. This is in accordance with a structural model proposed by de la Vega, whereupon the C and O atoms are kept fixed in their average positions during a tunneling process of the hydrogen between the two oxygen atoms. With this conception, the chemical shifts in the 17O and 13C NMR spectra, the 13C13C spin coupling constants and the temperature independance of these values can be explained.
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Affiliation(s)
- W. Winter
- Institut für Organische Chemie der Universität Tübingen, Auf der Morgenstelle 18, D-7400 Tübingen 1
| | - K.-P. Zeller
- Institut für Organische Chemie der Universität Tübingen, Auf der Morgenstelle 18, D-7400 Tübingen 1
| | - S. Berger
- Fachbereich Chemie der Universität Marburg, Lahnberge, D-3550 Marburg
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Gerhold K, Richter A, Strangfeld A, Herzer P, Bohl-Bühler M, Berger S, Listing J, Zink A. FRI0206 Effectiveness of First, Second or Third Biologic DMARDS – Clinical Characteristics Are More Important than Choice of the Substance. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.3586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Pollastrini M, Holland V, Brüggemann W, Koricheva J, Jussila I, Scherer-Lorenzen M, Berger S, Bussotti F. Interactions and competition processes among tree species in young experimental mixed forests, assessed with chlorophyll fluorescence and leaf morphology. Plant Biol (Stuttg) 2014; 16:323-331. [PMID: 23926925 DOI: 10.1111/plb.12068] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Accepted: 06/01/2013] [Indexed: 06/02/2023]
Abstract
Chlorophyll a fluorescence (ChlF) and leaf morphology were assessed in two sites in Europe (Kaltenborn, Germany, and Satakunta, Finland) within a forest diversity experiment. Trees at Satakunta, planted in 1999, form a stratified canopy, while in Kaltenborn the trees are 7 years old, with no apparent canopy connection among broadleaf species. The following ChlF parameters from measured OJIP transient curves were examined: F(V)/F(M) (a proxy for maximum quantum yield); ΨEo (a proxy for efficiency in transferring an electron from reduced QA to the electron transport chain); I-P phase (a proxy for efficiency of reducing final acceptors beyond PSI); and PItot (total performance index for potential energy conservation from photons absorbed by PSII to reduction of PSI end acceptors). At Satakunta F(V)/F(M) and ΨEo in Betula pendula were higher in monocultures and lower in mixed plots, perhaps due to increasing light availability in mixed plots, which can induce photoinhibition. The opposite trend was observed in Picea abies, which was shaded in mixed plots. At Kaltenborn F(V)/F(M) decreased in Fagus sylvatica and P. abies in mixed plots due to competition both above- and belowground. At Satakunta LMA increased in B. pendula leaves with increasing species richness. Leaf area of ten leaves was reduced in F. sylvatica in mixed plots at Kaltenborn. By up-scaling the overall fluorescence response to plot level (PItot_plot ), a significant positive correlation with tree diversity was found at Kaltenborn, but not at Satakunta. This could suggest that competition/facilitation processes in mixed stands play a significant role in the early stages of forest establishment, but then tend to be compensated in more mature stands.
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Affiliation(s)
- M Pollastrini
- Department of Agri-Food Production and Environmental Sciences, University of Florence, Florence, Italy
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Berger S, Dirk J, VON Lindern L, Wolff D, Mergenhagen D. Temperature Dependency of Circadian Period in a Single Cell (Acetabularia). ACTA ACUST UNITED AC 2014. [DOI: 10.1111/j.1438-8677.1992.tb00317.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Rösner T, Derer S, Klausz K, Dechant M, Lohse S, Berger S, Cossham M, Peipp M, Valerius T. Optimization of complement recruitment in EGFR-directed antibody therapy. Mol Immunol 2013. [DOI: 10.1016/j.molimm.2013.05.082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Weißflog G, Ernst J, Szkoda A, Berger S, Stuhr C, Herschbach P, Book K, Brähler E. [Patient satisfaction in oncological aftercare--differential results of gender aspects in doctor-patient dyads]. Gesundheitswesen 2013; 76:306-11. [PMID: 24046159 DOI: 10.1055/s-0033-1347257] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
OBJECTIVE The aim of this study was to explore the role of gender of the physician and gender of the patient in explaining differences in patient satisfaction. MATERIAL AND METHODS Overall, 1,130 patients were assigned to one of 4 possible physician-patient sex dyads and were interviewed with a questionnaire about their patient satisfaction. RESULTS Female patients in a dyad with a female physician were most satisfied with the overall judgment of practice visit and the inclusion of life situation in comparison to all other dyads. Male patients in a dyad with a male physician were least satisfied. CONCLUSION In the future, the specific role of patient-physician dyads has to be considered more in the assessment of subdimensions of patient satisfaction.
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Affiliation(s)
- G Weißflog
- Department für Psychische Gesundheit, Medizinische Psychologie & Medizinische Soziologie, Medizinische Fakultät Universität Leipzig
| | - J Ernst
- Department für Psychische Gesundheit, Medizinische Psychologie & Medizinische Soziologie, Medizinische Fakultät Universität Leipzig
| | - A Szkoda
- Department für Psychische Gesundheit, Medizinische Psychologie & Medizinische Soziologie, Medizinische Fakultät Universität Leipzig
| | - S Berger
- Department für Psychische Gesundheit, Medizinische Psychologie & Medizinische Soziologie, Medizinische Fakultät Universität Leipzig
| | - C Stuhr
- Onkologisches Zentrum, Klinik für Internistische Onkologie/Hämatologie, Klinikum St. Georg gGmbH, Akademisches Lehrkrankenhaus der Universität Leipzig
| | - P Herschbach
- Roman-Herzog-Krebszentrum (RHCCC), Comprehensive Cancer Center, Klinikum rechts der Isar, Technische Universität München
| | - K Book
- Roman-Herzog-Krebszentrum (RHCCC), Comprehensive Cancer Center, Klinikum rechts der Isar, Technische Universität München
| | - E Brähler
- Department für Psychische Gesundheit, Medizinische Psychologie & Medizinische Soziologie, Medizinische Fakultät Universität Leipzig
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Schmiegelow MD, Andersson C, Kober L, Gislason G, Norgaard M, Skott Andersen S, Jensen TB, Berger S, Torp-Pedersen C. Associations between obesity and cardiovascular risk factors requiring intervention in young women. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht310.4353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Ernst J, Berger S, Weißflog G, Schröder C, Körner A, Niederwieser D, Brähler E, Singer S. Patient participation in the medical decision-making process in haemato-oncology--a qualitative study. Eur J Cancer Care (Engl) 2013; 22:684-90. [PMID: 23731258 DOI: 10.1111/ecc.12077] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/07/2013] [Indexed: 10/26/2022]
Abstract
Cancer patients are showing increased interest in shared decision-making. Patients with haematological illnesses, however, express considerably less desire for shared decision-making as compared with other oncological patient groups. The goal of the current project was to identify the reasons for the lower desire for shared decision-making among patients with haematological illness. We conducted qualitative, semi-structured interviews with 11 haematological patients (39-70 years old) after the beginning of therapy concerning the course and evaluation of medical shared decision-making. The patients were often overwhelmed by the complexity of the illness and the therapy and did not want to assume any responsibility in medical decision-making. They reported a great deal of distress and very traditional paternalistic role expectations with regards to their health care providers, which limited the patients' ability to partake in the decision-making process. In contrast to the socio-cultural support for many other oncological diseases, haematological diseases are not as well supported, e.g. there is a lack of self-help materials, systematic provision of information and support groups for patients, which may be related to a lower empowerment of this patient population. Results show the limits of patient participation in the context of highly complicated medical conditions. In addition to already researched preferences of the physicians and patients for shared decision-making, future research should pay greater attention to the process and other variables relevant to this aspect of the doctor-patient relationship.
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Affiliation(s)
- J Ernst
- Department of Medical Psychology and Medical Sociology, University of Leipzig, Leipzig, Germany.
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Zangwill S, Berger S, Shah T, Schiller J, Ellis T, Stendahl G, Cole A, Mitchell M, Woods R, Tweddell J. The Virtual Crossmatch at Children’s Hospital of Wisconsin – Outcomes for Predicted Positive Crossmatches. J Heart Lung Transplant 2013. [DOI: 10.1016/j.healun.2013.01.242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Abstract
OBJECTIVE Reduced perception of pain is a well-established phenomenon in patients with anorexia nervosa (AN). We tested the hypothesis that altered processing of pain within the insula might account for reduced perception of pain. METHOD Heat pain thresholds were obtained in nineteen patients with AN and matched controls. Thereafter, a thermode was used to deliver thermal painful stimuli to the right arm during functional magnetic resonance imaging (fMRI) measurements. Stimuli were initiated for 10 s from a baseline resting temperature (32°C) to three different levels (37, 42, 45°C). RESULTS Significantly increased heat pain thresholds were observed in patients. A stronger activation during heat pain perception was found in the left posterior insula in controls. In contrast, higher levels of activity were shown in the ipsilateral pons in patients when compared to controls. In patients, we found a significant interrelation between the depression score (Beck depression inventory) and heat pain activations. CONCLUSION We suggest that reduced activity in the left posterior insula might contribute to increased pain thresholds in patients, while increased activations in the right anterior insula and pons mirror augmented sympathetic modulation putatively related to amplification of adrenergic descending pain inhibition. In addition, pain thresholds and brain activations were influenced by disease-inherent depressed mood.
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Affiliation(s)
- K-J Bär
- Pain & Autonomics - Integrative Research (PAIR), Department of Psychiatry and Psychotherapy, University Hospital Jena, Jena, Germany.
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Abstract
Lesions of the rotator cuff (RC) are among the most frequent tendon injuries. In spite of the developments in both open and arthroscopic surgery, RC repair still very often fails. In order to reduce the failure rate after surgery, several experimental in vitro and in vivo therapy methods have been developed for biological improvement of the reinsertion. This article provides an overview of the current evidence for augmentation of RC reconstruction with growth factors. Furthermore, potential future therapeutic approaches are discussed. We performed a comprehensive search of the PubMed database using various combinations of the keywords “tendon,” “rotator cuff,” “augmentation,” “growth factor,” “platelet-rich fibrin,” and “platelet-rich plasma” for publications up to 2011. Given the linguistic capabilities of the research team, we considered publications in English, German, French, and Spanish. We excluded literature reviews, case reports, and letters to the editor.
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Affiliation(s)
- M Schaer
- Department of Orthopaedic Surgery and Traumatology, Inselspital, Bern, Switzerland
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Pechal M, Berger S, Abdumalikov AA, Fink JM, Mlynek JA, Steffen L, Wallraff A, Filipp S. Geometric phase and nonadiabatic effects in an electronic harmonic oscillator. Phys Rev Lett 2012; 108:170401. [PMID: 22680840 DOI: 10.1103/physrevlett.108.170401] [Citation(s) in RCA: 5] [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] [Received: 12/22/2011] [Indexed: 06/01/2023]
Abstract
Steering a quantum harmonic oscillator state along cyclic trajectories leads to a path-dependent geometric phase. Here we describe its experimental observation in an electronic harmonic oscillator. We use a superconducting qubit as a nonlinear probe of the phase, which is otherwise unobservable due to the linearity of the oscillator. We show that the geometric phase is, for a variety of cyclic paths, proportional to the area enclosed in the quadrature plane. At the transition to the nonadiabatic regime, we study corrections to the phase and dephasing of the qubit caused by qubit-resonator entanglement. In particular, we identify parameters for which this dephasing mechanism is negligible even in the nonadiabatic regime. The demonstrated controllability makes our system a versatile tool to study geometric phases in open quantum systems and to investigate their potential for quantum information processing.
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Affiliation(s)
- M Pechal
- Department of Physics, ETH Zurich, CH-8093 Zurich, Switzerland.
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Hidestrand M, Zangwill S, Tomita-Mitchell A, Oliphant A, Hidestrand P, Castleberry C, Stendahl G, Otto M, Liang H, Goetsch M, Ellis T, Shames B, Simpson P, Berger S, Tweddell J, Mitchell M. 254 Highly Sensitive Transplant Rejection Surveillance Using Targeted Detection of Donor Specific Cell Free DNA. J Heart Lung Transplant 2012. [DOI: 10.1016/j.healun.2012.01.261] [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: 10/28/2022] Open
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Goeggel Simonetti B, Berger S, Hagmann Britschgi B, Steinlin M. [Traumatic brain injury in children]. Praxis (Bern 1994) 2012; 101:317-324. [PMID: 22377979 DOI: 10.1024/1661-8157/a000858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The general practitioner has an important role in the acute management and during the rehabilitation process of children after a traumatic head injury. Latest research shows that sequelae may occur even after a mild head injury without loss of consciousness. Recognizing the warning signs and symptoms after a head injury allows the general practitioner to counsel the child and parents in secondary prevention, particularly in order to avoid any further head injury during the recovery phase. Under the supervision of the general practitioner, a gradual progressive return to the child's everyday activities optimizes the chances of a rapid and complete recovery.
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Affiliation(s)
- B Goeggel Simonetti
- Abteilung für Neuropädiatrie, Medizinische Universitäts-Kinderklinik, Inselspital Bern.
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Stuchlik A, Petrasek T, Kristofikova Z, Vrajova M, Prokopova I, Berger S, Schonig K, Bartsch D, Vales K, Ripova D. P-380 - Spatial cognition in nogo-a-deficient transgenic rats as an animal model: effects of ageing and behavioral conditions. Eur Psychiatry 2012. [DOI: 10.1016/s0924-9338(12)74547-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Lang MF, Salinin S, Ridder DA, Kleesiek J, Hroudova J, Berger S, Schütz G, Schwaninger M. A transgenic approach to identify thyroxine transporter-expressing structures in brain development. J Neuroendocrinol 2011; 23:1194-203. [PMID: 21910767 DOI: 10.1111/j.1365-2826.2011.02216.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Transporters are essential in thyroid hormone metabolism. Thyroxine (T4) is transported by solute carrier organic anion transporter 1c1 (SLCO1C1, OATP14) into the adult brain, where T4 is converted to 3,5,3'-triiodothyronine (T3). In adults, SLCO1C1 expression is found in two brain barrier structures: the blood-brain barrier (BBB) and choroid plexus. However, little is known about how T4 is transported in the developing brain, when the BBB is not yet completely formed. We employed bacterial artificial chromosome recombineering to generate transgenic mice carrying Cre recombinase in the Slco1c1 locus (Slco1c1-Cre mice). In Slco1c1-Cre mice Cre was expressed at the sites that have been previously reported for SLCO1C1 in adults. To trace Cre expression during development, we crossed Slco1c1-Cre transgenic mice with Rosa26 reporter mice. β-galactosidase staining showed Cre activity in neurones of various brain structures, such as cortical layer 2/3 and the hippocampus, suggesting transient Slco1c1 expression during brain development. At embryonic day15, SLCO1C1 was expressed at the same site as TBR2, a marker of neuronal progenitors. Neurones that express SLCO1C1 during their development could be T4 sensitive. In support of this hypothesis, hypothyroxinaemia induced by propylthiouracil treatment of dams decreased the number of β-galactosidase-positive neurones in cortical layer 2/3 of newborn Slco1c1-Cre/Rosa26 mice. In conclusion, by generating Slco1c1-Cre transgenic mice, we demonstrated that SLCO1C1 is expressed in the neuronal cell lineage during brain development. Expression of SLCO1C1 may underlie the extraordinary sensitivity of specific neuronal populations to hypothyroxinaemia.
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Affiliation(s)
- M-F Lang
- Institute of Pharmacology, University of Heidelberg, Heidelberg, Germany
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