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Leitao SM, Navikas V, Miljkovic H, Drake B, Marion S, Pistoletti Blanchet G, Chen K, Mayer SF, Keyser UF, Kuhn A, Fantner GE, Radenovic A. Spatially multiplexed single-molecule translocations through a nanopore at controlled speeds. Nat Nanotechnol 2023; 18:1078-1084. [PMID: 37337057 DOI: 10.1038/s41565-023-01412-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 05/02/2023] [Indexed: 06/21/2023]
Abstract
In current nanopore-based label-free single-molecule sensing technologies, stochastic processes influence the selection of translocating molecule, translocation rate and translocation velocity. As a result, single-molecule translocations are challenging to control both spatially and temporally. Here we present a method using a glass nanopore mounted on a three-dimensional nanopositioner to spatially select molecules, deterministically tethered on a glass surface, for controlled translocations. By controlling the distance between the nanopore and glass surface, we can actively select the region of interest on the molecule and scan it a controlled number of times and at a controlled velocity. Decreasing the velocity and averaging thousands of consecutive readings of the same molecule increases the signal-to-noise ratio by two orders of magnitude compared with free translocations. We demonstrate the method's versatility by assessing DNA-protein complexes, DNA rulers and DNA gaps, achieving down to single-nucleotide gap detection.
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Affiliation(s)
- S M Leitao
- Laboratory for Bio- and Nano-Instrumentation, Institute of Bioengineering, School of Engineering, EPFL, Lausanne, Switzerland
| | - V Navikas
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, Lausanne, Switzerland
| | - H Miljkovic
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, Lausanne, Switzerland
| | - B Drake
- Laboratory for Bio- and Nano-Instrumentation, Institute of Bioengineering, School of Engineering, EPFL, Lausanne, Switzerland
| | - S Marion
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, Lausanne, Switzerland
| | - G Pistoletti Blanchet
- Laboratory of Molecular Biology, Institute of Life Technologies, School of Engineering, HES-SO Valais-Wallis, Sion, Switzerland
- Central Environmental Laboratory, Institute of Environmental Engineering, ENAC, EPFL, Sion, Switzerland
| | - K Chen
- Cavendish Laboratory, University of Cambridge, Cambridge, UK
| | - S F Mayer
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, Lausanne, Switzerland
| | - U F Keyser
- Cavendish Laboratory, University of Cambridge, Cambridge, UK
| | - A Kuhn
- Laboratory of Molecular Biology, Institute of Life Technologies, School of Engineering, HES-SO Valais-Wallis, Sion, Switzerland
| | - G E Fantner
- Laboratory for Bio- and Nano-Instrumentation, Institute of Bioengineering, School of Engineering, EPFL, Lausanne, Switzerland.
| | - A Radenovic
- Laboratory of Nanoscale Biology, Institute of Bioengineering, School of Engineering, EPFL, Lausanne, Switzerland.
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Soldatov S, Carbone E, Kuhn A, Link G, Jelonnek J, Dittmeyer R, Navarrete A. Efficiency of a compact CO2 coaxial plasma torch driven by ultrafast microwave power pulsing: Stability and plasma gas flow dynamics. J CO2 UTIL 2022. [DOI: 10.1016/j.jcou.2022.101916] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Le T, Lasseux D, Zhang L, Carucci C, Gounel S, Bichon S, Lorenzutti F, Kuhn A, Šafarik T, Mano N. Multiscale modelling of diffusion and enzymatic reaction in porous electrodes in Direct Electron Transfer mode. Chem Eng Sci 2022. [DOI: 10.1016/j.ces.2021.117157] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Momen-Heravi F, Friedman RA, Albeshri S, Sawle A, Kebschull M, Kuhn A, Papapanou PN. Cell Type-Specific Decomposition of Gingival Tissue Transcriptomes. J Dent Res 2021; 100:549-556. [PMID: 33419383 DOI: 10.1177/0022034520979614] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Genome-wide transcriptomic analyses in whole tissues reflect the aggregate gene expression in heterogeneous cell populations comprising resident and migratory cells, and they are unable to identify cell type-specific information. We used a computational method (population-specific expression analysis [PSEA]) to decompose gene expression in gingival tissues into cell type-specific signatures for 8 cell types (epithelial cells, fibroblasts, endothelial cells, neutrophils, monocytes/macrophages, plasma cells, T cells, and B cells). We used a gene expression data set generated using microarrays from 120 persons (310 tissue samples; 241 periodontitis affected and 69 healthy). Decomposition of the whole-tissue transcriptomes identified differentially expressed genes in each of the cell types, which mapped to biologically relevant pathways, including dysregulation of Th17 cell differentiation, AGE-RAGE signaling, and epithelial-mesenchymal transition in epithelial cells. We validated selected PSEA-predicted, differentially expressed genes in purified gingival epithelial cells and B cells from an unrelated cohort (n = 15 persons), each of whom contributed with 1 periodontitis-affected and 1 healthy gingival tissue sample. Differential expression of these genes by quantitative reverse transcription polymerase chain reaction corroborated the PSEA predictions and pointed to dysregulation of biologically important pathways in periodontitis. Collectively, our results demonstrate the robustness of the PSEA in the decomposition of gingival tissue transcriptomes and its ability to identify differentially regulated transcripts in particular cellular constituents. These genes may serve as candidates for further investigation with respect to their roles in the pathogenesis of periodontitis.
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Affiliation(s)
- F Momen-Heravi
- Division of Periodontics, Section of Oral, Diagnostic and Rehabilitation Sciences, College of Dental Medicine, New York, NY, USA
| | - R A Friedman
- Biomedical Informatics Shared Resource, Herbert Irving Comprehensive Cancer Center and Department of Biomedical Informatics, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - S Albeshri
- Division of Periodontics, Section of Oral, Diagnostic and Rehabilitation Sciences, College of Dental Medicine, New York, NY, USA
| | - A Sawle
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, UK
| | - M Kebschull
- Division of Periodontics, Section of Oral, Diagnostic and Rehabilitation Sciences, College of Dental Medicine, New York, NY, USA.,School of Dentistry, Institute of Clinical Sciences, University of Birmingham, Birmingham, UK
| | - A Kuhn
- Institute of Life Technologies, School of Engineering, HES-SO University of Applied Sciences and Arts Western Switzerland, Sion, Switzerland
| | - P N Papapanou
- Division of Periodontics, Section of Oral, Diagnostic and Rehabilitation Sciences, College of Dental Medicine, New York, NY, USA
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Höhn D, Mohr S, Mueller MD, Kuhn A. Sexual function after resection of urethral diverticulum. Geburtshilfe Frauenheilkd 2020. [DOI: 10.1055/s-0040-1717169] [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: 10/23/2022] Open
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Kuhn A. Characterizing clinicopathological and immunohistochemical findings in dermatomyositis panniculitis. J Eur Acad Dermatol Venereol 2020; 32:1231-1232. [PMID: 31211464 DOI: 10.1111/jdv.15149] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- A Kuhn
- University Hospital Muenster, Muenster, Germany
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Akazawa Y, Fujioka T, Kuhn A, Hui W, Slorach C, Roehlig C, Mertens L, Vogt M, Friedberg M. 1159 Right ventricular electromechanical dyssynchrony in relation to right ventricular remodeling, dysfunction and exercise capacity in Ebstein anomaly. Eur Heart J Cardiovasc Imaging 2020. [DOI: 10.1093/ehjci/jez319.663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Abnormal atrioventricular conduction and functional right ventricular (fRV) dysfunction are common in patients with Ebstein anomaly (EA). However, the relation of fRV dyssynchrony to fRV function in EA has not been studied.
Purpose
We hypothesized that fRV electromechanical dyssynchrony is associated with fRV remodeling, dysfunction and exercise intolerance in EA patients.
Methods
Non-operated EA patients and age-matched controls prospectively underwent echocardiography, cardiovascular magnetic resonance imaging (CMR) and cardiopulmonary exercise testing to quantify RV remodeling, dysfunction and exercise capacity, respectively. The relation of these to fRV dyssynchrony was investigated. RV mechanical dyssynchrony was defined by early septal activation (right-sided septal flash), RV lateral wall prestretch/late contraction, postsystolic shortening, and the maximal intra-RV delay (difference in time to peak of lateral basal RV and apical septal segments) using 2-dimensional strain echocardiography.
Results
Thirty-five EA patients (age 31.6 ± 17.3 years, 19 female) and 35 age-matched controls were studied. QRS duration and intra-fRV mechanical delay were significantly longer in EA compared with controls. 19/35(54%) of EA patients had early activation of septal segments with simultaneous stretching and consequent late activation and post-systolic shortening of RV lateral segments. QRS duration correlated with fRV end-diastolic (fRVEDVI, r = 0.46, P <0.01) and end-systolic indexed volumes (fRVESVIr = 0.57, P <0.001). Intra-fRV delay correlated with RV global longitudinal strain (GLS, r=-0.45,P <0.05) and RV fractional area change (r=-0.56, P <0.01). Intra-fRV delay was also associated with fRVEDVI (r = 0.43, P <0.05), fRVESVI (r = 0.63, P <0.001), fRVEF (r=-0.46,P <0.05) and predicted peak VO2 (r=-0.39, P < 0.05). EA patients with versus without a septal flash had lower fRVEF (45 ± 11 vs. 54 ± 8%, p < 0.05) and predicted peak VO2 (0.71 ± 0.19 vs. 0.92 ± 0.33, p < 0.05).
Conclusions
In EA, fRV electromechanical dyssynchrony is associated with fRV remodeling, dysfunction and impaired exercise capacity and may constitute a therapeutic target.
Abstract 1159 Figure.
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Affiliation(s)
- Y Akazawa
- Hospital for Sick Children, Toronto, Canada
| | - T Fujioka
- Hospital for Sick Children, Toronto, Canada
| | - A Kuhn
- Deutsches Herzzentrum München, Technische Universituät München, Munich, Germany
| | - W Hui
- Hospital for Sick Children, Toronto, Canada
| | - C Slorach
- Hospital for Sick Children, Toronto, Canada
| | - C Roehlig
- Deutsches Herzzentrum München, Technische Universituät München, Munich, Germany
| | - L Mertens
- Hospital for Sick Children, Toronto, Canada
| | - M Vogt
- Deutsches Herzzentrum München, Technische Universituät München, Munich, Germany
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9
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Blois M, Kuhn A, Pasqualotto L, Zanin R. Prototyping for the treatment of a comminuted mandibular fracture by gunshot. Int J Oral Maxillofac Surg 2019. [DOI: 10.1016/j.ijom.2019.03.603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Blois M, Marques G, Kuhn A, Pasqualotto L, Valcanaia T, de Souza F. Bimaxillary orthognathic surgery, 3D planning and 1 year follow-up. Int J Oral Maxillofac Surg 2019. [DOI: 10.1016/j.ijom.2019.03.753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Pires M, Blois M, Kuhn A, de Souza F. Autogenous non-vascularized bone graft in segmental mandibular reconstruction after a gunshot. Int J Oral Maxillofac Surg 2019. [DOI: 10.1016/j.ijom.2019.03.805] [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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12
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Schmidt M, Bolte S, Frenzel K, Heesen L, Derhovanessian E, Bukur V, Diken M, Gruetzner J, Kreiter S, Klein A, Kuhn A, Langer D, Loewer M, Lindman H, Schneeweiss A, Tuereci O, Sahin U. Abstract OT2-06-01: Highly innovative personalized RNA-immunotherapy for patients with triple negative breast cancer. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-ot2-06-01] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: The treatment of triple negative breast cancer (TNBC) is hampered by the lack of established therapeutic targets such as hormone receptors or HER-2. Chemotherapy and radiotherapy is the standard of care, yet survival rates in TNBC remain poor. Approaches tailored to the patient's individual tumor signature may lead to improved therapeutic outcome. We have set up a clinical workflow covering drug development (from target discovery to manufacturing) and drug release providing a custom-made investigational medicinal product (IMP) for each individual patient.
Trial Design: A phase I/II trial assesses the feasibility, safety and biological efficacy of this personalized immunotherapy in three clinical sites in Germany and Sweden. TNBC patients (pT1cN0M0 – TxNxM0) after completion of initial standard of care therapy will be allocated to one of two study arms. Patients in ARM1 receive 8 vaccination cycles with a personalized combination of shared tumor-associated antigens, selected based on each patient tumor's antigen-expression profile out of a WAREHOUSE of pre-manufactured mRNA vaccine. Patients in ARM2 receive the personalized mRNA WAREHOUSE vaccine followed by 8 vaccination cycles of an on-demand manufactured mRNA MUTANOME vaccine encoding up to twenty unique neo-epitopes of the individual patient identified by next generation sequencing. The mRNAs are administered intravenously as a nanoparticulate lipoplex formulation, which protects RNA from degradation, activates innate immunity, transfects APCs and consequently induces highly potent antigen-specific T-cell responses. The treatment of 12 patients in ARM1 is completed and enrolment of patients for ARM2 has started. Preliminary data show that the RNA-WAREHOUSE approach is feasible and can be applied safely. Biomarker analysis is ongoing. This approach is promising as it addresses the heterogeneity of TNBC.
The TNBC-MERIT trial was initially funded by the EU Commission's FP7 and led by BioNTech AG.
Citation Format: Schmidt M, Bolte S, Frenzel K, Heesen L, Derhovanessian E, Bukur V, Diken M, Gruetzner J, Kreiter S, Klein A, Kuhn A, Langer D, Loewer M, Lindman H, Schneeweiss A, Tuereci O, Sahin U. Highly innovative personalized RNA-immunotherapy for patients with triple negative breast cancer [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr OT2-06-01.
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Affiliation(s)
- M Schmidt
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
| | - S Bolte
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
| | - K Frenzel
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
| | - L Heesen
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
| | - E Derhovanessian
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
| | - V Bukur
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
| | - M Diken
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
| | - J Gruetzner
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
| | - S Kreiter
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
| | - A Klein
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
| | - A Kuhn
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
| | - D Langer
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
| | - M Loewer
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
| | - H Lindman
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
| | - A Schneeweiss
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
| | - O Tuereci
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
| | - U Sahin
- Klinik und Poliklinik für Geburtshilfe und Frauengesundheit, Universitätsmedizin Mainz, Mainz, Germany; Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany; TRON gGmbH, Mainz, Germany; Uppsala University Hospital, Uppsala, Sweden; Sektion Gynäkologische Onkologie, NCT Heidelberg, Heidelberg, Germany
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Triolo TM, Fouts A, Pyle L, Yu L, Gottlieb PA, Steck AK, Greenbaum CJ, Atkinson M, Baidal D, Battaglia M, Becker D, Bingley P, Bosi E, Buckner J, Clements M, Colman P, DiMeglio L, Gitelman S, Goland R, Gottlieb P, Herold K, Knip M, Krischer J, Lernmark A, Moore W, Moran A, Muir A, Palmer J, Peakman M, Philipson L, Raskin P, Redondo M, Rodriguez H, Russell W, Spain L, Schatz D, Sosenko J, Wentworth J, Wherrett D, Wilson D, Winter W, Ziegler A, Anderson M, Antinozzi P, Benoist C, Blum J, Bourcier K, Chase P, Clare-Salzler M, Clynes R, Eisenbarth G, Fathman C, Grave G, Hering B, Insel R, Kaufman F, Kay T, Leschek E, Mahon J, Marks J, Nanto-Salonen K, Nepom G, Orban T, Parkman R, Pescovitz M, Peyman J, Pugliese A, Roep B, Roncarolo M, Savage P, Simell O, Sherwin R, Siegelman M, Skyler J, Steck A, Thomas J, Trucco M, Wagner J, Krischer JP, Leschek E, Rafkin L, Bourcier K, Cowie C, Foulkes M, Insel R, Krause-Steinrauf H, Lachin JM, Malozowski S, Peyman J, Ridge J, Savage P, Skyler JS, Zafonte SJ, Rafkin L, Sosenko JM, Kenyon NS, Santiago I, Krischer JP, Bundy B, Abbondondolo M, Dixit S, Pasha M, King K, Adcock H, Atterberry L, Fox K, Englert N, Mauras J, Permuy K, Sikes T, Adams T, Berhe B, Guendling L, McLennan L, Paganessi C, Murphy M, Draznin M, Kamboj S, Sheppard V, Lewis L, Coates W, Amado D, Moore G, Babar J, Bedard D, Brenson-Hughes J, Cernich M, Clements R, Duprau S, Goodman L, Hester L, Huerta-Saenz A, Asif I, Karmazin T, Letjen S, Raman D, Morin W, Bestermann E, Morawski J, White A, Brockmyer R, Bays S, Campbell A, Boonstra M, Stapleton N, Stone A, Donoho H, Everett H, Hensley M, Johnson C, Marshall N, Skirvin P, Taylor R, Williams L, Burroughs C, Ray C, Wolverton D, Nickels C, Dothard P, Speiser M, Pellizzari L, Bokor K, Izuora S, Abdelnour P, Cummings S, Cuthbertson D, Paynor M, Leahy M, Riedl S, Shockley R, Saad T, Briones S, Casella C, Herz K, Walsh J, Greening F, Deemer M, Hay S, Hunt N, Sikotra L, Simons D, Karounos R, Oremus L, Dye L, Myers D, Ballard W, Miers R, Eberhard C, Sparks K, Thraikill K, Edwards J, Fowlkes S, Kemp A, Morales L, Holland L, Johnson P, Paul A, Ghatak K, Fiske S, Phelen H, Leyland T, Henderson D, Brenner E, Oppenheimer I, Mamkin C, Moniz C, Clarson M, Lovell A, Peters V, Ford J, Ruelas D, Borut D, Burt M, Jordan S, Castilla P, Flores M, Ruiz L, Hanson J, Green-Blair R, Sheridan K, Garmeson J, Wintergerst G, Pierce A, Omoruyi M, Foster S, Kingery A, Lunsford I, Cervantes T, Parker P, Price J, Urben I, Guillette H, Doughty H, Haydock V, Parker P, Bergman S, Duncum C, Rodda A, Perelman R, Calendo C, Barrera E, Arce-Nunez Y, Geyer S, Martinez M, De la Portilla I, Cardenas L, Garrido M, Villar R, Lorini E, Calandra G, D’Annuzio K, Perri N, Minuto C, Hays B, Rebora R, Callegari O, Ali J, Kramer B, Auble S, Cabrera P, Donohoue R, Fiallo-Scharer M, Hessner P, Wolfgram A, Henderson C, Kansra N, Bettin R, McCuller A, Miller S, Accacha J, Corrigan E, Fiore R, Levine T, Mahoney C, Polychronakos V, Henry M, Gagne H, Starkman M, Fox D, Chin F, Melchionne L, Silverman I, Marshall L, Cerracchio J, Cruz A, Viswanathan J, Heyman K, Wilson S, Chalew S, Valley S, Layburn A, Lala P, Clesi M, Genet G, Uwaifo A, Charron T, Allerton W, Hsiao B, Cefalu L, Melendez-Ramirez R, Richards C, Alleyn E, Gustafson M, Lizanna J, Wahlen S, Aleiwe M, Hansen H, Wahlen C, Karges C, Levy A, Bonaccorso R, Rapaport Y, Tomer D, Chia M, Goldis L, Iazzetti M, Klein C, Levister L, Waldman E, Keaton N, Wallach M, Regelmann Z, Antal M, Aranda C, Reynholds A, Vinik P, Barlow M, Bourcier M, Nevoret J, Couper S, Kinderman A, Beresford N, Thalagne H, Roper J, Gibbons J, Hill S, Balleaut C, Brennan J, Ellis-Gage L, Fear T, Gray L, Law P, Jones C, McNerney L, Pointer N, Price K, Few D, Tomlinson N, Leech D, Wake C, Owens M, Burns J, Leinbach A, Wotherspoon A, Murray K, Short G, Curry S, Kelsey J, Lawson J, Porter S, Stevens E, Thomson S, Winship L, Liu S, Wynn E, Wiltshire J, Krebs P, Cresswell H, Faherty C, Ross L, Denvir J, Drew T, 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Manning G, Hendry B, Taylor S, Jones W, Strader M, Bencomo T, Bailey L, Bedolla C, Roldan C, Moudiotis B, Vaidya C, Anning S, Bunce S, Estcourt E, Folland E, Gordon C, Harrill J, Ireland J, Piper L, Scaife K, Sutton S, Wilkins M, Costelloe J, Palmer L, Casas C, Miller M, Burgard C, Erickson J, Hallanger-Johnson P, Clark W, Taylor A, Lafferty S, Gillett C, Nolan M, Pathak L, Sondrol T, Hjelle S, Hafner J, Kotrba R, Hendrickson A, Cemeroglu T, Symington M, Daniel Y, Appiagyei-Dankah D, Postellon M, Racine L, Kleis K, Barnes S, Godwin H, McCullough K, Shaheen G, Buck L, Noel M, Warren S, Weber S, Parker I, Gillespie B, Nelson C, Frost J, Amrhein E, Moreland A, Hayes J, Peggram J, Aisenberg M, Riordan J, Zasa E, Cummings K, Scott T, Pinto A, Mokashi K, McAssey E, Helden P, Hammond L, Dinning S, Rahman S, Ray C, Dimicri S, Guppy H, Nielsen C, Vogel C, Ariza L, Morales Y, Chang R, Gabbay L, Ambrocio L, Manley R, Nemery W, Charlton P, Smith L, Kerr B, Steindel-Kopp M, Alamaguer D, Liljenquist G, Browning T, Coughenour M, Sulk E, Tsalikan M, Tansey J, Cabbage N. Identical and Nonidentical Twins: Risk and Factors Involved in Development of Islet Autoimmunity and Type 1 Diabetes. Diabetes Care 2019; 42:192-199. [PMID: 30061316 PMCID: PMC6341285 DOI: 10.2337/dc18-0288] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 06/28/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE There are variable reports of risk of concordance for progression to islet autoantibodies and type 1 diabetes in identical twins after one twin is diagnosed. We examined development of positive autoantibodies and type 1 diabetes and the effects of genetic factors and common environment on autoantibody positivity in identical twins, nonidentical twins, and full siblings. RESEARCH DESIGN AND METHODS Subjects from the TrialNet Pathway to Prevention Study (N = 48,026) were screened from 2004 to 2015 for islet autoantibodies (GAD antibody [GADA], insulinoma-associated antigen 2 [IA-2A], and autoantibodies against insulin [IAA]). Of these subjects, 17,226 (157 identical twins, 283 nonidentical twins, and 16,786 full siblings) were followed for autoantibody positivity or type 1 diabetes for a median of 2.1 years. RESULTS At screening, identical twins were more likely to have positive GADA, IA-2A, and IAA than nonidentical twins or full siblings (all P < 0.0001). Younger age, male sex, and genetic factors were significant factors for expression of IA-2A, IAA, one or more positive autoantibodies, and two or more positive autoantibodies (all P ≤ 0.03). Initially autoantibody-positive identical twins had a 69% risk of diabetes by 3 years compared with 1.5% for initially autoantibody-negative identical twins. In nonidentical twins, type 1 diabetes risk by 3 years was 72% for initially multiple autoantibody-positive, 13% for single autoantibody-positive, and 0% for initially autoantibody-negative nonidentical twins. Full siblings had a 3-year type 1 diabetes risk of 47% for multiple autoantibody-positive, 12% for single autoantibody-positive, and 0.5% for initially autoantibody-negative subjects. CONCLUSIONS Risk of type 1 diabetes at 3 years is high for initially multiple and single autoantibody-positive identical twins and multiple autoantibody-positive nonidentical twins. Genetic predisposition, age, and male sex are significant risk factors for development of positive autoantibodies in twins.
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Affiliation(s)
- Taylor M. Triolo
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Alexandra Fouts
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Laura Pyle
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Liping Yu
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Peter A. Gottlieb
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Andrea K. Steck
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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14
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Heesen L, Frenzel K, Bolte S, Bukur V, Diken M, Derhovanessian E, Kreiter S, Kuhn A, Kühlcke K, Löwer M, Lindman H, Pascolo S, Schmidt M, Schneeweiss A, Sjöblom T, Thielemans K, Zitvogel L, Türeci Ö, Sahin U. Mutanome engineered RNA immuno-therapy (MERIT) for patients with triple negative breast cancer (TNBC). Ann Oncol 2018. [DOI: 10.1093/annonc/mdy270.264] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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15
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Di Martino G, Turek VA, Tserkezis C, Lombardi A, Kuhn A, Baumberg JJ. Plasmonic response and SERS modulation in electrochemical applied potentials. Faraday Discuss 2017; 205:537-545. [PMID: 28879365 DOI: 10.1039/c7fd00130d] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We study the optical response of individual nm-wide plasmonic nanocavities using a nanoparticle-on-mirror design utilised as an electrode in an electrochemical cell. In this geometry Au nanoparticles are separated from a bulk Au film by an ultrathin molecular spacer, giving intense and stable Raman amplification of 100 molecules. Modulation of the plasmonic spectra and the SERS response is observed with an applied voltage under a variety of electrolytes. Different scenarios are discussed to untangle the various mechanisms that can be involved in the electronic interaction between NPs and electrode surfaces.
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Affiliation(s)
- G Di Martino
- NanoPhotonics Centre, Cavendish Laboratory, University of Cambridge, CB3 0HE, UK.
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16
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Le T, Lasseux D, Nguyen X, Vignoles G, Mano N, Kuhn A. Multi-scale modeling of diffusion and electrochemical reactions in porous micro-electrodes. Chem Eng Sci 2017. [DOI: 10.1016/j.ces.2017.07.039] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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17
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Miller M, Sahin U, Derhovanessian E, Kloke BP, Simon P, Bukur V, Albrecht C, Paruzynski A, Löwer M, Kuhn A, Schreeb K, Attig S, Brueck AK, Bolte S, Grabbe S, Höller C, Utikal J, Huber C, Loquai C, Türeci Ö. IVAC MUTANOME: A first-in-human phase I clinical trial targeting individual mutant neoantigens for the treatment of melanoma. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx712.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [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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18
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Frenzel K, Heesen L, Bolte S, Bukur V, Diken M, Derhovanessian E, Kreiter S, Kuhn A, Kuehlcke K, Löwer M, De Greve J, Lindman H, Pascolo S, Schmidt M, Schneeweiss A, Sjöblom T, Thielemans K, Zitvogel L, Türeci Ö, Sahin U. Mutanome engineered RNA immuno-therapy (MERIT) for patients with triple negative breast cancer. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx711.080] [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: 11/13/2022] Open
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19
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Heesen L, Jabulowsky R, Loquai C, Utikal J, Gebhardt C, Hassel J, Kaufmann R, Pinter A, Derhovanessian E, Diken M, Kranz L, Haas H, Attig S, Kuhn A, Langguth P, Schwarck-Kokarakis D, Jäger D, Grabbe S, Türeci Ö, Sahin U. A first-in-human phase I/II clinical trial assessing novel mRNA-lipoplex nanoparticles encoding shared tumor antigens for potent melanoma immunotherapy. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx711.030] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [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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20
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Di Martino G, Turek VA, Lombardi A, Szabó I, de Nijs B, Kuhn A, Rosta E, Baumberg JJ. Tracking Nanoelectrochemistry Using Individual Plasmonic Nanocavities. Nano Lett 2017; 17:4840-4845. [PMID: 28686457 DOI: 10.1021/acs.nanolett.7b01676] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
We study in real time the optical response of individual plasmonic nanoparticles on a mirror, utilized as electrodes in an electrochemical cell when a voltage is applied. In this geometry, Au nanoparticles are separated from a bulk Au film by an ultrathin molecular spacer. The nanoscale plasmonic hotspot underneath the nanoparticles locally reveals the modified charge on the Au surface and changes in the polarizability of the molecular spacer. Dark-field and Raman spectroscopy performed on the same nanoparticle show our ability to exploit isolated plasmonic junctions to track the dynamics of nanoelectrochemistry. Enhancements in Raman emission and blue-shifts at a negative potential show the ability to shift electrons within the gap molecules.
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Affiliation(s)
- G Di Martino
- NanoPhotonics Centre, Cavendish Laboratory, University of Cambridge , Cambridge CB3 0HE, U.K
| | - V A Turek
- NanoPhotonics Centre, Cavendish Laboratory, University of Cambridge , Cambridge CB3 0HE, U.K
| | - A Lombardi
- NanoPhotonics Centre, Cavendish Laboratory, University of Cambridge , Cambridge CB3 0HE, U.K
| | - I Szabó
- Department of Chemistry, King's College London , London SE1 1DB, U.K
| | - B de Nijs
- NanoPhotonics Centre, Cavendish Laboratory, University of Cambridge , Cambridge CB3 0HE, U.K
| | - A Kuhn
- Univ. Bordeaux , CNRS UMR 5255, Bordeaux INP, Site ENSCBP, 33607, Pessac, France
| | - E Rosta
- Department of Chemistry, King's College London , London SE1 1DB, U.K
| | - J J Baumberg
- NanoPhotonics Centre, Cavendish Laboratory, University of Cambridge , Cambridge CB3 0HE, U.K
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21
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Kuhn A, Bauman D, Darras H, Aron S. Sex-biased dispersal creates spatial genetic structure in a parthenogenetic ant with a dependent-lineage reproductive system. Heredity (Edinb) 2017. [PMID: 28635968 DOI: 10.1038/hdy.2017.34] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Reproduction and dispersal are key aspects of species life history that influence spatial genetic structure in populations. Several ant species in the genus Cataglyphis have evolved a unique breeding system in which new reproductives (that is, queens and males) are produced asexually by parthenogenesis; in contrast, non-reproductives (that is, workers) are produced via sexual reproduction by mates from distinct genetic lineages. We investigated how these two coexisting reproductive methods affect population-level spatial genetic structure using the ant Cataglyphis mauritanica as a model. We obtained genotypes for queens and their male mates from 338 colonies, and we found that the two lineages present in the study population occurred with equal frequency. Furthermore, analysis of spatial genetic structure revealed strong sex-biased dispersal. Because queens were produced by parthenogenesis and because they dispersed over short distances, there was an extreme level of spatial structuring: a mosaic of patches composed of clonal queens was formed. Males, on the other hand, dispersed over several hundred metres and, thus, across patches, ensuring successful interlineage mating.
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Affiliation(s)
- A Kuhn
- Evolutionary Biology and Ecology, Université Libre de Bruxelles, Brussels, Belgium
| | - D Bauman
- Laboratoire d'Écologie Végétale et Biogéochimie, Université Libre de Bruxelles, Brussels, Belgium
| | - H Darras
- Evolutionary Biology and Ecology, Université Libre de Bruxelles, Brussels, Belgium
| | - S Aron
- Evolutionary Biology and Ecology, Université Libre de Bruxelles, Brussels, Belgium
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22
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Kuhn A, Landmann A, Bonsmann G. Fumaric acid esters: a new therapeutic option for skin manifestations in lupus erythematosus? Br J Dermatol 2017; 176:301-302. [PMID: 28244075 DOI: 10.1111/bjd.14938] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- A Kuhn
- Interdisciplinary Center for Clinical Trials (IZKS), University Medical Center Mainz, Langenbeckstrasse 1, D-55131, Mainz, Germany.,Division of Immunogenetics, Tumor Immunology Program, German Cancer Research Center, Heidelberg, Germany
| | - A Landmann
- Division of Immunogenetics, Tumor Immunology Program, German Cancer Research Center, Heidelberg, Germany
| | - G Bonsmann
- Department of Dermatology, University Hospital Muenster, Muenster, Germany
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23
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Abstract
Lupus erythematosus (LE) is a multifactorial autoimmune disease with clinical manifestations of differing severity which may present with skin manifestations as primary sign of the disease (cutaneous lupus erythematosus, CLE) or as part of a disease spectrum (systemic lupus erythematosus, SLE). To date, no drugs are approved specifically for the treatment of CLE and only single agents have been applied in randomized controlled trials. Therefore, topical and systemic agents are used "off-label", primarily based on open-label studies, case series, retrospective analyses, and expert opinions. In contrast, several agents, such as hydroxychloroquine, chloroquine, cyclophosphamide, azathioprine, and belimumab, are approved for the treatment of SLE. Recent approaches in the understanding of the molecular pathogenesis of LE enabled the development of further new agents, which target molecules such as interleukin 6 (IL-6) and interferon (IFN). Only single trials, however, applied these new agents in patients with cutaneous involvement of the disease and/or included endpoints which evaluated the efficacy of these agents on skin manifestations. This article provides an updated review on new and recent approaches in the treatment of CLE.
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Affiliation(s)
- A Kuhn
- Interdisciplinary Center for Clinical Trials (IZKS), University Medical Center Mainz, Germany Division of Immunogenetics, Tumor Immunology Program, German Cancer Research Center, Heidelberg, Germany
| | - A Landmann
- Division of Immunogenetics, Tumor Immunology Program, German Cancer Research Center, Heidelberg, Germany
| | - J Wenzel
- Department of Dermatology, University of Bonn, Germany
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24
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Kuhn A, Aberer E, Bata-Csörgő Z, Caproni M, Dreher A, Frances C, Gläser R, Klötgen HW, Landmann A, Marinovic B, Nyberg F, Olteanu R, Ranki A, Szepietowski JC, Volc-Platzer B. S2k guideline for treatment of cutaneous lupus erythematosus - guided by the European Dermatology Forum (EDF) in cooperation with the European Academy of Dermatology and Venereology (EADV). J Eur Acad Dermatol Venereol 2016; 31:389-404. [PMID: 27859683 DOI: 10.1111/jdv.14053] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 10/26/2016] [Indexed: 12/31/2022]
Abstract
Cutaneous lupus erythematosus (CLE) is a rare inflammatory autoimmune disease with heterogeneous clinical manifestations. To date, no therapeutic agents have been licensed specifically for patients with this disease entity, and topical and systemic drugs are mostly used 'off-label'. The aim of the present guideline was to achieve a broad consensus on treatment strategies for patients with CLE by a European subcommittee, guided by the European Dermatology Forum (EDF) and supported by the European Academy of Dermatology and Venereology (EADV). In total, 16 European participants were included in this project and agreed on all recommendations. Topical corticosteroids remain the mainstay of treatment for localized CLE, and further topical agents, such as calcineurin inhibitors, are listed as alternative first-line or second-line topical therapeutic option. Antimalarials are recommended as first-line and long-term systemic treatment in all CLE patients with severe and/or widespread skin lesions, particularly in patients with a high risk of scarring and/or the development of systemic disease. In addition to antimalarials, systemic corticosteroids are recommended as first-line treatment in highly active and/or severe CLE. Second- and third-line systemic treatments include methotrexate, retinoids, dapsone and mycophenolate mofetil or mycophenolate acid, respectively. Thalidomide should only be used in selected therapy-refractory CLE patients, preferably in addition to antimalarials. Several new therapeutic options, such as B-cell- or interferon α-targeted agents, need to be further evaluated in clinical trials to assess their efficacy and safety in the treatment of patients with CLE.
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Affiliation(s)
- A Kuhn
- Interdisciplinary Center for Clinical Trials (IZKS), University Medical Center Mainz, Mainz, Germany.,Division of Immunogenetics, Tumor Immunology Program, German Cancer Research Center, Heidelberg, Germany
| | - E Aberer
- Department of Dermatology, Medical University of Graz, Graz, Austria
| | - Z Bata-Csörgő
- Department of Dermatology and Allergology, University of Szeged, Szeged, Hungary
| | - M Caproni
- Department of Medical and Surgical Critical Care Section of Dermatology, University of Florence, Florence, Italy
| | - A Dreher
- Evidence-Based Medicine Frankfurt, Institute for General Practice, Goethe-University Frankfurt, Frankfurt, Germany
| | - C Frances
- Department of Dermatology and Allergology, Hôpital Tenon, Paris, France
| | - R Gläser
- Department of Dermatology, Venerology and Allergology, University Hospital of Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - H-W Klötgen
- Department of Dermatology, Inselspital Bern - University Hospital, Bern, Switzerland
| | - A Landmann
- Division of Immunogenetics, Tumor Immunology Program, German Cancer Research Center, Heidelberg, Germany
| | - B Marinovic
- Department of Dermatology and Venereology, University Hospital Center Zagreb and School of Medicine University of Zagreb, Zagreb, Croatia
| | - F Nyberg
- Institution for Clinical Sciences, Unit for Dermatology, Karolinska Institutet at Danderyd Hospital (KIDS), Stockholm, Sweden
| | - R Olteanu
- Department of Dermatology, Colentina Clinical Hospital, Bucharest, Romania
| | - A Ranki
- Department of Skin and allergic diseases, Inflammation Center, Helsinki University Central Hospital, Helsinki, Finland
| | - J C Szepietowski
- Department of Dermatology, Venereology and Allergology, Wroclaw Medical University, Wroclaw, Poland
| | - B Volc-Platzer
- Department of Dermatology, Donauspital, University affiliated Hospital, Vienna, Austria
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25
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Baeßler K, Aigmüller T, Albrich S, Anthuber C, Finas D, Fink T, Fünfgeld C, Gabriel B, Henscher U, Hetzer FH, Hübner M, Junginger B, Jundt K, Kropshofer S, Kuhn A, Logé L, Nauman G, Peschers U, Pfiffer T, Schwandner O, Strauss A, Tunn R, Viereck V. Diagnosis and Therapy of Female Pelvic Organ Prolapse. Guideline of the DGGG, SGGG and OEGGG (S2e-Level, AWMF Registry Number 015/006, April 2016). Geburtshilfe Frauenheilkd 2016; 76:1287-1301. [PMID: 28042167 PMCID: PMC5193153 DOI: 10.1055/s-0042-119648] [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] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2016] [Revised: 10/22/2016] [Accepted: 10/22/2016] [Indexed: 10/20/2022] Open
Abstract
Aims: The aim was to establish an official interdisciplinary guideline, published and coordinated by the German Society of Gynecology and Obstetrics (DGGG). The guideline was developed for use in German-speaking countries. In addition to the Germany Society of Gynecology and Obstetrics, the guideline has also been approved by the Swiss Society of Gynecology and Obstetrics (SGGG) and the Austrian Society of Gynecology and Obstetrics (OEGGG). This is a guideline published and coordinated by the DGGG. The aim is to provide evidence-based recommendations obtained by evaluating the relevant literature for the diagnostic, conservative and surgical treatment of women with female pelvic organ prolapse with or without stress incontinence. Methods: We conducted a systematic review together with a synthesis of data and meta-analyses, where feasible. MEDLINE, Embase, Cinahl, Pedro and the Cochrane Register were searched for relevant articles. Reference lists were hand-searched, as were the abstracts of the Annual Meetings of the International Continence Society and the International Urogynecological Association. We included only abstracts of randomized controlled trials that were presented and discussed in podium sessions. We assessed original data on surgical procedures published since 2008 with a minimum follow-up time of at least 12 months. If the studies included descriptions of perioperative complications, this minimum follow-up period did not apply. Recommendations: The guideline encompasses recommendations for the diagnosis and treatment of female pelvic organ prolapse. Recommendations for anterior, posterior and apical pelvic organ prolapse with or without concomitant stress urinary incontinence, uterine preservation options, and the pros and cons of mesh placements during surgery for pelvic organ prolapse are presented. The recommendations are based on an extensive and systematic review and evaluation of the current literature and include the experiences and specific conditions in Germany, Austria and Switzerland.
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Affiliation(s)
- K. Baeßler
- Beckenbodenzentrum, Charité Universitätsmedizin, Berlin, Germany
| | - T. Aigmüller
- Universitätsklinik für Gynäkologie und Geburtshilfe, Med Uni Graz, Austria
| | - S. Albrich
- Praxis “Frauenärzte Fünf Höfe” München, München, Germany
| | | | - D. Finas
- Evangelisches Krankenhaus Bielefeld EvKB, Bielefeld, Germany
| | - T. Fink
- Sana Klinikum Berlin Lichtenberg, Berlin, Germany
| | | | - B. Gabriel
- St. Josefʼs Hospital Wiesbaden, Wiesbaden, Germany
| | - U. Henscher
- Praxis für Physiotherapie, Hannover, Germany
| | | | - M. Hübner
- Universitätsfrauenklinik Tübingen, Tübingen, Germany
| | - B. Junginger
- Beckenbodenzentrum, Charité Universitätsmedizin, Berlin, Germany
| | - K. Jundt
- Frauenarztpraxis am Pasinger Bahnhof, München, Germany
| | | | - A. Kuhn
- Inselspital Bern, Bern, Switzerland
| | - L. Logé
- Sana Klinikum Hof GmbH, Hof, Germany
| | - G. Nauman
- Helios Klinikum Erfurt, Erfurt, Germany
| | | | - T. Pfiffer
- Asklepios Klinik Hamburg Harburg, Hamburg, Germany
| | | | - A. Strauss
- Christian-Albrechts-Universität zu Kiel, Kiel, Germany
| | - R. Tunn
- St. Hedwig Krankenhaus, Berlin, Germany
| | - V. Viereck
- Kantonsspital Frauenfeld, Frauenfeld, Switzerland
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Abstract
Glatiramer acetate (GLAT) is a well tolerated and safe immunomodulatory drug for the treatment of relapsing=remitting multiple sclerosis. The most commonly recognized side effects are localized injection site reactions consisting of pain, pruritus, mild erythema and induration, which sometimes persist for several days. We describe the first case of a biopsy-proven lymphocytic infiltration (T-cell pseudolymphoma) with the clinical appearance of a figured erythema on the ventrolateral thighs in the first four weeks under GLAT treatment, resolving without any evidence of recurrence despite ongoing therapy. A T-cell pseudolymphoma is a very rare side effect of GLAT treatment. For clinical purposes it is important to state that re-exposition after GLAT-induced pseudolymphoma is possible without permanent sequelae.
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Affiliation(s)
- S Nolden
- Department of Neurology, University of Cologne, 50924 Cologne, Germany.
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Kuhn A, Lozano J, de Macedo Rodrigues K, Massari F, Wakhloo A, Rex D, Gounis M, Marosfoi M, Perras M, Brooks C, Howk M, Puri A. E-040 Five-year Single Center Experience of Intracranial Aneurysm Treatment with the PED in Patients of different Age Groups. J Neurointerv Surg 2016. [DOI: 10.1136/neurintsurg-2016-012589.112] [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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Ansari S, Kuhn A, Honarmand A, Hou S, Khan M, Chueh J, Bom IVD, Hurley M, Shaibani A, Gounis M, Potts M, Jahromi B, Wakhloo A, Puri A. O-012 Emergent Endovascular Management of Long-segment Carotid Artery Dissections in Acute Ischemic Stroke Intervention with Multiple Tandem Stents. J Neurointerv Surg 2016. [DOI: 10.1136/neurintsurg-2016-012589.12] [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: 11/03/2022]
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Lozano J, Howk M, Kuhn A, Massari F, de Macedo Rodrigues K, Brooks C, Perras M, Gounis M, Rex D, Wakhloo A, Puri A. E-020 Between a Rock and a Hard Place: The Use of Self-expanding Stents for the Endovascular Treatment of Acute Ischemic Stroke due to Recalcitrant Emergency Large Vessel Occlusion in the Era of Stent-retrievers: Single-center Experience and Early Results. J Neurointerv Surg 2016. [DOI: 10.1136/neurintsurg-2016-012589.92] [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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Kuhn A, de Macedo Rodrigues K, Gounis M, Kan P, Marosfoi M, Lozano J, Perras M, Brooks C, Howk M, Rex D, Massari F, Wakhloo A, Puri A. E-070 Endovascular Techniques for Achievement of Better Flow Diverter Wall Apposition. J Neurointerv Surg 2016. [DOI: 10.1136/neurintsurg-2016-012589.142] [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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Riedl M, Kuhn A, Krämer I, Kolbe E, Kahaly GJ. Prospective, systematically recorded mycophenolate safety data in Graves' orbitopathy. J Endocrinol Invest 2016; 39:687-94. [PMID: 26886940 DOI: 10.1007/s40618-016-0441-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [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: 01/25/2016] [Accepted: 02/02/2016] [Indexed: 12/17/2022]
Abstract
CONTEXT The antiproliferative mechanism of mycophenolate acid (MPA) suggests a beneficial effect in patients with Graves' orbitopathy (GO). OBJECTIVE To systematically analyze for the first time adverse events (AEs) during MPA treatment in GO. DESIGN Prospective longitudinal study. SETTING Academic tertiary referral center with a joint thyroid-eye clinic. PATIENTS Fifty-three consecutive, unselected patients with clinically active and moderate-to-severe GO. METHODS MPA 0.720 g was given once daily for 24-weeks in GO patients. AEs were documented and coded according to the standardized medical dictionary for regulatory activities (MedDRA). AE were followed up and seriousness as defined by ICH-guideline E6 was documented. All AEs were analyzed regarding a possible underlying cause and if not, graded as side effect (SE). RESULTS Fifty GO patients (93 %) had Graves' disease, 37 (70 %) and 29 (54.7 %) were female and smoker, respectively. Thirty-six patients (68 %) reported at least one AE. A total of 88 AEs were documented, most frequent AEs were insomnia (N = 6), fatigue (N = 5) and optic neuropathy (N = 5), while other AEs occurred in up to three patients (5.6 %), only. In 12 (23 %) patients, at least one SE occurred. All 17 reported SE, i.e. mild infections and gastrointestinal intolerance were within the known safety profile of MPA. No patient dropped MPA medication because of drug-induced SE. Most AEs showed a recovered (76 %) or recovering (16 %) outcome. Seven (13 %) patients were hospitalized, five (62 %) due to optic neuropathy, none of these events was graded as SE. CONCLUSIONS MedDRA-coded data documented the good tolerance of a moderate MPA dose in GO patients.
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Affiliation(s)
- M Riedl
- Departments of Medicine I, Johannes Gutenberg University Medical Center, Mainz, Germany
- Interdisciplinary Center for Clinical Trials, Johannes Gutenberg University Medical Center, Mainz, Germany
| | - A Kuhn
- Interdisciplinary Center for Clinical Trials, Johannes Gutenberg University Medical Center, Mainz, Germany
| | - I Krämer
- Pharmacy Department, Johannes Gutenberg University Medical Center, Mainz, Germany
| | - E Kolbe
- Departments of Medicine I, Johannes Gutenberg University Medical Center, Mainz, Germany
| | - G J Kahaly
- Departments of Medicine I, Johannes Gutenberg University Medical Center, Mainz, Germany.
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Kuhn A, Landmann A, Patsinakidis N, Ruland V, Nozinic S, Perusquía Ortiz AM, Sauerland C, Luger T, Tsianakas A, Bonsmann G. Fumaric acid ester treatment in cutaneous lupus erythematosus (CLE): a prospective, open-label, phase II pilot study. Lupus 2016; 25:1357-64. [PMID: 27147621 DOI: 10.1177/0961203316644335] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Accepted: 02/27/2016] [Indexed: 11/16/2022]
Abstract
OBJECTIVE The aim of the study was to assess the efficacy and safety of fumaric acid esters (FAEs) in patients with cutaneous lupus erythematosus (CLE). METHODS In this 24-week, prospective, open-label, phase II pilot study, 11 patients with CLE, refractory to topical corticosteroids, were included. The primary endpoint of the study was the evaluation of the efficacy of FAEs after 24 weeks of treatment as assessed by the Revised Cutaneous Lupus Disease Area and Severity Index (RCLASI). RESULTS Compared to baseline, significant improvement in the mean total RCLASI activity score and the mean RCLASI activity score for skin lesions was observed in week 12 (p = 0.002, p = 0.002, respectively) and in week 24 (p = 0.009, p = 0.009, respectively). Most common adverse events included abdominal cramps and headache. CONCLUSIONS FAEs could be an alternative and safe treatment in patients with therapy-refractory CLE; however, randomized controlled trials are warranted to evaluate the efficacy and safety of FAEs in this disease.
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Affiliation(s)
- A Kuhn
- Interdisciplinary Center for Clinical Trials (IZKS), University Medical Center Mainz, Mainz, Germany Division of Immunogenetics, Tumor Immunology Program, German Cancer Research Center, Heidelberg, Germany
| | - A Landmann
- Division of Immunogenetics, Tumor Immunology Program, German Cancer Research Center, Heidelberg, Germany
| | - N Patsinakidis
- Department of Dermatology and Allergology, Klinikum Bremen Mitte, Bremen, Germany
| | - V Ruland
- Institute of Neuropathology, University Hospital Muenster, Muenster, Germany
| | - S Nozinic
- Division of Immunogenetics, Tumor Immunology Program, German Cancer Research Center, Heidelberg, Germany
| | | | - C Sauerland
- Institute of Biostatistics and Clinical Research, University of Muenster, Germany
| | - T Luger
- Department of Dermatology, University Hospital Muenster, Muenster, Germany
| | - A Tsianakas
- Department of Dermatology, University Hospital Muenster, Muenster, Germany
| | - G Bonsmann
- Department of Dermatology, University Hospital Muenster, Muenster, Germany
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Neis KJ, Zubke W, Römer T, Schwerdtfeger K, Schollmeyer T, Rimbach S, Holthaus B, Solomayer E, Bojahr B, Neis F, Reisenauer C, Gabriel B, Dieterich H, Runnenbaum IB, Kleine W, Strauss A, Menton M, Mylonas I, David M, Horn LC, Schmidt D, Gaß P, Teichmann AT, Brandner P, Stummvoll W, Kuhn A, Müller M, Fehr M, Tamussino K. Indications and Route of Hysterectomy for Benign Diseases. Guideline of the DGGG, OEGGG and SGGG (S3 Level, AWMF Registry No. 015/070, April 2015). Geburtshilfe Frauenheilkd 2016; 76:350-364. [PMID: 27667852 PMCID: PMC5031283 DOI: 10.1055/s-0042-104288] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [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: 02/07/2023] Open
Abstract
Background: Official guideline "indications and methods of hysterectomy" to assign indications for the different methods published and coordinated by the German Society of Gynecology and Obstetrics (DGGG), the Austrian Society of Gynecology and Obstetrics (OEGGG) and the Swiss Society of Gynecology and Obstetrics (SGGG). Besides vaginal and abdominal hysterectomy, three additional techniques have been implemented due to the introduction of laparoscopy. Organ-sparing alternatives were also integrated. Methods: The guideline group consisted of 26 experts from Germany, Austria and Switzerland. Recommendations were developed using a structured consensus process and independent moderation. A systematic literature search and quality appraisal of benefits and harms of the therapeutic alternatives for symptomatic fibroids, dysfunctional bleeding and adenomyosis was done through MEDLINE up to 6/2014 focusing on systematic reviews and meta-analysis. Results: All types of hysterectomy led in studies to high rates of patient satisfaction. If possible, vaginal instead of abdominal hysterectomy should preferably be done. If a vaginal hysterectomy is not feasible, the possibility of a laparoscopic hysterectomy should be considered. An abdominal hysterectomy should only be done with a special indication. Organ-sparing interventions also led to high patient satisfaction rates, but contain the risk of symptom recurrence. Conclusion: As an aim, patients should be enabled to choose that therapeutic intervention for their benign disease of the uterus that convenes best to them and their personal life situation.
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Affiliation(s)
- K. J. Neis
- Klinik für Frauenheilkunde, Geburtshilfe und Reproduktionsmedizin der Universitätsklinik des Saarlandes
| | - W. Zubke
- Frauenklinik des Universitätsklinikum Tübingen
| | - T. Römer
- Evangelisches Krankenhaus Köln-Weyertal
| | | | - T. Schollmeyer
- Klinik für Gynäkologie und Geburtshilfe Universitätsklinikum Schleswig-Holstein
| | - S. Rimbach
- Klinik für Gynäkologie und Geburtshilfe Krankenhaus Agatharied GmbH
| | - B. Holthaus
- Klinik für Frauenheilkunde und Geburtshilfe St. Elisabeth Krankenhaus Damme
| | - E. Solomayer
- Klinik für Frauenheilkunde, Geburtshilfe und Reproduktionsmedizin der Universitätsklinik des Saarlandes
| | - B. Bojahr
- Klinik für MIC Minimal Invasive Chirurgie am Ev. Krankenhaus Hubertus in Berlin
| | - F. Neis
- Frauenklinik des Universitätsklinikum Tübingen
| | | | - B. Gabriel
- Klinik für Gynäkologie und Geburtshilfe St. Josefs-Hospital Wiesbaden
| | | | - I. B. Runnenbaum
- Universitätsklinikum Jena Klinik für Frauenheilkunde und Geburtshilfe
| | - W. Kleine
- Universitätsklinikum Mannheim Klink für Frauenheilkunde und Geburtshilfe
| | - A. Strauss
- Klinik für Gynäkologie und Geburtshilfe Christian-Albrechts-Universität zu Kiel
| | | | - I. Mylonas
- Klinik und Poliklinik für Frauenheilkunde und Geburtshilfe Klinikum der Universität München
| | - M. David
- Campus Virchow-Klinikum Charité Klinik für Gynäkologie
| | - L-C. Horn
- Institut für Pathologie Universitätsklinikum Leipzig
| | | | - P. Gaß
- Universitätsklinikum Erlangen Frauenklinik
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Abstract
The diagnosis of cutaneous lupus erythematosus (CLE) requires a specific diagnostic approach to identify subtypes, to address differential diagnostic considerations, and to rule out systemic organ involvement. In addition to a detailed patient's history and clinical evaluation of the skin, histopathologic and immunofluorescent examination of a skin biopsy as well as laboratory screening are recommended. Photoprovocation tests can be performed to confirm the diagnosis of CLE and to assess photosensitivity in these patients. Recently, a scoring system for the activity of the cutaneous manifestations in CLE has been developed and validated which involves anatomical areas and morphologic signs of the skin lesions. In all subtypes of CLE, antimalarials are still the treatment of choice. Advances in biotechnology have led to the development of several novel agents for the treatment of autoimmune diseases; however, controlled trials have not been performed in patients with CLE. Furthermore, there is need for specific immunointervention, especially for patients who fail to respond to standard therapies. The second part of this review will enable the reader to differentiate CLE from other diseases and to suggest specific diagnostic procedures and treatment approaches.
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Affiliation(s)
- A Kuhn
- Hautklinik, Heinrich-Heine-Universität Düsseldorf.
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Reich A, Werth VP, Furukawa F, Kuhn A, Szczęch J, Samotij D, Szepietowski JC. Treatment of cutaneous lupus erythematosus: current practice variations. Lupus 2016; 25:964-72. [PMID: 26821963 DOI: 10.1177/0961203316628997] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [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: 08/01/2015] [Indexed: 11/16/2022]
Abstract
The treatment of cutaneous lupus erythematous (CLE) remains a challenge. Most of the therapeutic options used in CLE have not been tested in randomized controlled studies and to date no agent has been approved. Therefore, CLE treatment is mostly based on personal experience. To better characterize therapeutic habits among physicians treating CLE patients, a questionnaire-based study about various aspects of topical and systemic treatment for CLE has been performed. The questionnaire was distributed among CLE experts, mostly from Japan, the USA, and Europe. A total of 82 completed questionnaires were assessed. High-potent and potent corticosteroids as well as calcineurin inhibitors were the most often recommended topical treatment for all CLE subtypes. The most relevant factors for initiation of systemic therapy were severity of skin lesions, concomitant involvement of internal organs, CLE subtype and lack of response to topical therapies. Corticosteroids and antimalarials were considered as the most suitable and effective systemic drugs for CLE patients. However, significant differences were observed between various CLE subtypes and between different countries regarding the assessment of various topical and systemic treatment options. In conclusion, great variability of obtained answers underlines the need of development of CLE treatment guidelines suitable for different disease subtypes.
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Affiliation(s)
- A Reich
- Department of Dermatology, Venereology and Allergology, Wroclaw Medical University, Wroclaw, Poland
| | - V P Werth
- Philadelphia Veterans Affairs Medical Center and Department of Dermatology University of Pennsylvania School of Medicine, Philadelphia, PA, USA
| | - F Furukawa
- Department of Dermatology, Wakayama Medical University, Wakayama, Japan
| | - A Kuhn
- Interdisciplinary Center for Clinical Trials, University Medical Center, Mainz, Germany
| | - J Szczęch
- Department of Dermatology, Venereology and Allergology, Wroclaw Medical University, Wroclaw, Poland
| | - D Samotij
- Department of Dermatology, Venereology and Allergology, Wroclaw Medical University, Wroclaw, Poland
| | - J C Szepietowski
- Department of Dermatology, Venereology and Allergology, Wroclaw Medical University, Wroclaw, Poland
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Günther C, Kind B, Reijns MAM, Berndt N, Martinez-Bueno M, Wolf C, Tüngler V, Chara O, Lee YA, Hübner N, Lee YA, Bicknell L, Blum S, Krug C, Schmidt F, Krug C, Kretschmer S, Koss S, Astell KR, Ramantani G, Bauerfeind A, Morris DL, Graham DSC, Bubeck D, Leitch A, Ralston SH, Blackburn EA, Gahr M, Witte T, Vyse TJ, Melchers I, Mangold E, Nöthen MM, Aringer M, Kuhn A, Lüthke K, Unger L, Bley A, Lorenzi A, Isaacs JD, Alexopoulou D, Conrad K, Dahl A, Roers A, Alarcon-Riquelme ME, Jackson AP, Lee-Kirsch MA. Defective removal of ribonucleotides from DNA promotes systemic lupus erythematosus. Pediatr Rheumatol Online J 2015. [PMCID: PMC4597412 DOI: 10.1186/1546-0096-13-s1-o86] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Abstract
Novel fluorine substituted mononuclear Ti(β-diketonato)2Cl2 complexes have been synthesised and shown to be involved in a partial hydrolysis reaction in solution, in which the hydrolyzed dinuclear {Ti(β-diketonato)2Cl}2(μ-O) is in equilibrium with the monomer. This is in contrast to the solution behaviour of the non CF3-containing Ti(CH3COCHCOCH3)2Cl2, Ti(PhCOCHCOCH3)2Cl2 and Ti(PhCOCHCOPh)2Cl2 complexes, under the same conditions. Variable temperature ((1)H and (19)F) NMR spectra and X-ray structure analyses reveal that the partially hydrolyzed dinuclear complex exists both in solution and in solid state, bridging through a single μ-oxo bridge and having one labile chloro-ligand per titanium center. Inclusion of electron-withdrawing CF3 groups into the already electron-deficient Ti complexes, led to the formation of {Ti(CF3COCHCOCF3)2Cl}2(μ-O) (dinuclear) and [Ti(CF3COCHCOCF3)2(μ-O)]4 (tetranuclear) complexes in CDCl3 containing trace amounts of water. DFT calculated free energies of hydrolysis support the existence of Ti(CH3COCHCOCH3)2Cl2 as a monomer and Ti(CF3COCHCOCF3)2Cl2 as a equilibrium mixture of the monomer and partially hydrolyzed dinuclear {Ti(β-diketonato)2Cl}2(μ-O) in CDCl3 solution.
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Affiliation(s)
- A Kuhn
- Department of Chemistry, University of the Free State, 9300 Bloemfontein, Republic of South Africa.
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Swart W, Kuhn A. An audit of documented preoperative evaluation of surgery patients at Universitas Academic Hospital, Bloemfontein. Southern African Journal of Anaesthesia and Analgesia 2015. [DOI: 10.1080/22201181.2015.1057030] [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: 10/23/2022]
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Calderon C, Zucht HD, Kuhn A, Wozniacka A, Szepietowski JC, Nyberg F, Weichenthal M, Piantone A, Budde P. A multicenter photoprovocation study to identify potential biomarkers by global peptide profiling in cutaneous lupus erythematosus. Lupus 2015. [DOI: 10.1177/0961203315596077] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Cutaneous lupus erythematosus (CLE) is an inflammatory autoimmune skin disease in which abnormal photosensitivity is an important pathogenetic factor but is difficult to predict, creating a challenge in determining treatment efficacy. Although photosensitivity in CLE patients may change over time, photoprovocation testing with ultraviolet (UV) A and UVB irradiation can be a helpful tool to explore differences between responders and nonresponders during photoprovocation. To identify biomarkers that could substitute for the clinical endpoint lesion development, we performed a global peptidomics profiling analysis of CLE subjects in a controlled photoprovocation study. Plasma and skin biopsy samples were collected before and after UV-irradiation from 13 healthy volunteers and 47 CLE subjects. Twenty-two of the 47 CLE subjects developed skin lesions. The samples were analyzed using a label-free quantitative peptidomics workflow combined with univariate and multivariate statistical analyses. The primary finding was identification of a specific plasma peptide signature separating responders versus nonresponders at baseline. The peptide signature consisted of beta 2-microglobulin (B2MG), human beta-defensin-1, and peptides derived from CD99, polymeric immunoglobulin receptor, and immunoglobulin kappa light chains. In skin, elevated B2MG levels correlated with lesion formation. Our results show that the peptidome is a rich source of potential biomarkers for predicting photosensitivity in CLE.
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Affiliation(s)
- C Calderon
- Compound Development, Janssen Research & Development, LLC, USA
| | - H-D Zucht
- Formerly of Digilab BioVisioN GmbH, Germany; currently of Protagen AG, Dortmund, Germany
| | - A Kuhn
- Interdisciplinary Center for Clinical Trials (IZKS), University Medical Center Mainz, Germany (research conducted at Department of Dermatology, University of Duesseldorf, Germany)
| | - A Wozniacka
- Department of Dermatology and Venereology, Medical University of Lodz, Poland
| | - J C Szepietowski
- Department of Dermatology, Venereology and Allergology, Wroclaw Medical University, Poland
| | - F Nyberg
- Institution for Clinical Sciences, Karolinska Institutet, Danderyd Hospital, Sweden; research conducted at Department of Dermatology, Danderyd Hospital, Stockholm, Sweden
| | - M Weichenthal
- Department of Dermatology, Venerology and Allergology, University Hospital of Schleswig-Holstein, Germany
| | - A Piantone
- Compound Development, Janssen Research & Development, LLC, USA
| | - P Budde
- Formerly of Digilab BioVisioN GmbH, Germany; currently of Protagen AG, Dortmund, Germany
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Kuhn A, Massari F, Lozano J, Hou S, Howk M, Perras M, Brooks C, Kan P, Gounis M, Wakhloo A, Puri A. E-131 endovascular reconstruction of intradural vertebral artery fusiform dissecting aneurysms with the pipeline embolization device. J Neurointerv Surg 2015. [DOI: 10.1136/neurintsurg-2015-011917.205] [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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Srinivasan A, Roche J, Ravaine V, Kuhn A. Synthesis of conducting asymmetric hydrogel particles showing autonomous motion. Soft Matter 2015; 11:3958-3962. [PMID: 25907320 DOI: 10.1039/c5sm00273g] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
In the present work, we introduce a new approach for the synthesis of asymmetric particles made from electrically conducting polyaniline-alginate hydrogels by using bipolar electrochemistry. Such an intrinsic break of symmetry allows the soft beads to exhibit tunable motion at the air/water interface when loaded with ethanol due to controllable directed release of the solvent.
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Affiliation(s)
- A Srinivasan
- Univ. Bordeaux, ISM, UMR 5255, Site ENSCBP, 16 avenue Pey Berland, 33607 Pessac, France.
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Luginbuehl H, Baeyens JP, Taeymans J, Maeder IM, Kuhn A, Radlinger L. Pelvic floor muscle activation and strength components influencing female urinary continence and stress incontinence: a systematic review. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.1749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Radlinger L, Vetter R, Schild J, Kuhn A. Wavelet transform of electromyography during maximum voluntary contraction derived from women with normal or weak pelvic floor muscles. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.1152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Laha S, Natarajan S, Gopalakrishnan J, Morán E, Sáez-Puche R, Alario-Franco MÁ, Dos Santos-Garcia AJ, Pérez-Flores JC, Kuhn A, García-Alvarado F. Oxygen-participated electrochemistry of new lithium-rich layered oxides Li3MRuO5 (M = Mn, Fe). Phys Chem Chem Phys 2015; 17:3749-60. [DOI: 10.1039/c4cp05052e] [Citation(s) in RCA: 18] [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] [Indexed: 11/21/2022]
Abstract
Synthesis, crystal structure and lithium electrochemistry of two new lithium-rich layered oxides, Li3MRuO5 (M = Mn, Fe), are described.
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Tunn R, Albrich S, Beilecke K, Kociszewski J, Lindig-Knopke C, Reisenauer C, Schwertner-Tiepelmann N, Kuhn A, Viereck V, Bjelic Radisic V, Kölle D, Umek W, Bader W, Schwandner O, Lange R. Interdisciplinary S2k Guideline: Sonography in Urogynecology: Short Version - AWMF Registry Number: 015/055. Geburtshilfe Frauenheilkd 2014; 74:1093-1098. [PMID: 25568465 DOI: 10.1055/s-0034-1383044] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Affiliation(s)
- R Tunn
- Senior Consultant, Klinik für Urogynäkologie, Koordinator Deutsches Beckenbodenzentrum, St. Hedwig-Krankenhaus, Berlin
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- Inselspital Bern, Bern, Switzerland
| | - V Viereck
- Kantonsspital Frauenfeld, Frauenfeld, Switzerland
| | | | | | - W Umek
- Medizinische Universität Wien, Vienna, Austria
| | - W Bader
- Klinikum Bielefeld, Bielefeld
| | | | - R Lange
- Praxis Schweppenhausen, Schweppenhausen
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Abstract
Here we report a new physico-chemical method based on bipolar electrochemistry for producing spherical metal beads with a well-controlled size. Applying an electric field to a low conductivity electrolyte containing metal beads leads to a polarization potential across the beads, which triggers their electrodissolution. Upon stirring, their size decreases gradually and results in a final population which is spherical and monodisperse. Furthermore, the spherical character of shapeless particles increased to form isotropic objects. The process is versatile, self-limiting and produces beads of different final diameters depending on the applied potential. Finally, the removed material can be recycled at one of the feeder electrodes.
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Affiliation(s)
- J Roche
- Univ. Bordeaux, ISM, CNRS UMR 5255, ENSCBP, 16 avenue Pey Berland, 33607 Pessac Cedex, France.
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Duron S, Kuhn A, Patricelli R, Imbert P. Parents’ knowledge, attitudes, practices and vaccination coverage against pertussis, measles, rubella and varicella in a French maternity ward in 2013. Eur J Public Health 2014. [DOI: 10.1093/eurpub/cku161.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Christmann C, Christoph P, Mohr S, Brandner S, Imboden S, Kuhn A. Is obstruction an issue after adjustable sling insertion for recurrent stress urinary incontinence? Geburtshilfe Frauenheilkd 2014. [DOI: 10.1055/s-0034-1388246] [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] Open
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Darras H, Kuhn A, Aron S. Genetic determination of female castes in a hybridogenetic desert ant. J Evol Biol 2014; 27:2265-71. [PMID: 25186793 DOI: 10.1111/jeb.12470] [Citation(s) in RCA: 16] [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] [Received: 04/11/2014] [Revised: 06/19/2014] [Accepted: 08/06/2014] [Indexed: 11/29/2022]
Abstract
In most social insects, the brood is totipotent and environmental factors determine whether a female egg will develop into a reproductive queen or a functionally sterile worker. However, genetic factors have been shown to affect the female's caste fate in a few ant species. The desert ant Cataglyphis hispanica reproduces by social hybridogenesis. All populations are characterized by the coexistence of two distinct genetic lineages. Queens are almost always found mated with a male of the alternate lineage than their own. Workers develop from hybrid crosses between the genetic lineages, whereas daughter queens are produced asexually via parthenogenesis. Here, we show that the association between genotype and caste in this species is maintained by a 'hard-wired' genetic caste determination system, whereby nonhybrid genomes have lost the ability to develop as workers. Genetic analyses reveal that, in a rare population with multiple-queen colonies, a significant proportion of nestmate queens are mated with males of their own lineage. These queens fail to produce worker offspring; they produce only purebred daughter queens by sexual reproduction. We discuss how the production of reproductive queens through sexual, intralineage crosses may favour the stability of social hybridogenesis in this species.
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Affiliation(s)
- H Darras
- Evolutionary Biology and Ecology, Université Libre de Bruxelles, Brussels, Belgium
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Steinmetz T, Kindler M, Lange O, Vehling-Kaiser U, Kuhn A, Hellebrand E. A prospective cohort study on the impact of darbepoetin alfa on quality of life in daily practice following anemia treatment guideline revisions. Curr Med Res Opin 2014; 30:1813-20. [PMID: 24849527 DOI: 10.1185/03007995.2014.924914] [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] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE This study aimed to evaluate the impact of darbepoetin alfa (DA) on hemoglobin (Hb) levels and quality of life (QoL) in cancer patients with anemia in current daily practice following several revisions of anemia treatment guidelines. METHODS This was a prospective, multi-center, observational study across Germany in non-myeloid cancer outpatients with chemotherapy-induced anemia treated with DA. Age, sex, cancer type, stage, and therapy, performance status, anemia status and treatment, and Hb concentrations were recorded for up to 18 weeks in a web-based registry. Optional QoL assessments were collected at baseline and at the end of DA treatment. MAIN RESULTS Of 984 eligible patients, 978 had complete anemia data, 492 also had complete QoL data. In the 978 patients, mean age was 64 (standard deviation, SD 12) years, 62% of patients were women. Breast (26%) and gastrointestinal (22%) cancer were most prevalent. Therapy was palliative in 44% of patients and initiated with curative intent in 29%. Mean baseline Hb was 9.5 (SD 0.9) g/dL, which increased by an average of 1.2 g/dL. In 67% of patients Hb increased either to 10-12 g/dL or by ≥2 g/dL; no Hb response was seen in 219 patients (22%); increases of 0 to 1, >1 to 2, and >2 g/dl were seen in 216 (22%), 265 (27%), and 278 (28%) patients, respectively. Anemia treatment did not result in any significant differences of performance status. However, QoL improvements were significantly greater in Hb responders, although a linear relationship with Hb increments was lacking. None of 47 fatal cases was considered related to treatment with DA. CONCLUSION Patients treated with DA in routine clinical practice had increases in Hb and reported improvement in QoL. Due to the uncontrolled design, no conclusions can be made regarding causality to treatment and the clinical relevance of the improvement.
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Affiliation(s)
- T Steinmetz
- Oncology outpatient clinic , Cologne , Germany
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