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Dormegny-Jeanjean LC, Mainberger OAE, de Crespin de Billy C, Obrecht A, Danila V, Erb A, Arcay HM, Weibel S, Blanc F, Meyer G, Tomsa M, Bertschy G, Duval F, Foucher JR. Safety and tolerance of combination of monoamine oxidase inhibitors and direct dopamine agonists in adults and older adults with highly resistant depression. Encephale 2024; 50:137-142. [PMID: 37005193 DOI: 10.1016/j.encep.2023.01.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 01/09/2023] [Accepted: 01/27/2023] [Indexed: 04/03/2023]
Abstract
INTRODUCTION Dopamine (DA) is likely to be involved in some depressive dimensions, such as anhedonia and amotivation, which account for a part of treatment-resistant forms. Monoamine oxidase inhibitors (MAOI) and direct D2 and D3 receptors agonists (D2/3r-dAG) are known to help, but we lack safety data about their combined usage. We report on safety and tolerance of the MAOI+D2r-dAG combination in a clinical series. METHOD All patients referred to our recourse center for depression between 2013 and 2021 were screened to select those who did receive the combo. Data were extracted from clinical files. RESULTS Sixteen patients of 60±17 years of age (8 women, 7 with age>65years, all suffered from treatment resistant depression, 7 with bipolar disorder) received the combo. There were no life-threatening adverse effects (AE). However, AE were reported by 14 patients (88%) most of which were mild and consisted of insomnia, nausea, nervousness, confusion, impulse control disorder and/or "sleep attacks". One patient presented a serious AE requiring a short hospitalization for confusion. Intolerance led to failure to introduce treatment in two patients (13%). The retrospective non-interventional design, the variety of molecules, and the modest sample size limited the scope of these results. CONCLUSION There was no life-threatening safety issue in combining MAOI and D2/3r-dAG, especially regarding cardiovascular side effects. The systematic screening of AE might account for their frequency, but these precluded the treatment in only two patients. Comparative studies are needed to assess the efficacy of this new combination.
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Affiliation(s)
- L C Dormegny-Jeanjean
- Non-Invasive neuroModulation Center of Strasbourg (CEMNIS), University Hospital of Strasbourg, 67000 Strasbourg, France; CNRS UMR 7357 iCube, neurophysiology, FMTS, University of Strasbourg, 67000 Strasbourg, France.
| | - O A E Mainberger
- Non-Invasive neuroModulation Center of Strasbourg (CEMNIS), University Hospital of Strasbourg, 67000 Strasbourg, France; CNRS UMR 7357 iCube, neurophysiology, FMTS, University of Strasbourg, 67000 Strasbourg, France
| | - C de Crespin de Billy
- Non-Invasive neuroModulation Center of Strasbourg (CEMNIS), University Hospital of Strasbourg, 67000 Strasbourg, France; CNRS UMR 7357 iCube, neurophysiology, FMTS, University of Strasbourg, 67000 Strasbourg, France
| | - A Obrecht
- Non-Invasive neuroModulation Center of Strasbourg (CEMNIS), University Hospital of Strasbourg, 67000 Strasbourg, France; CNRS UMR 7357 iCube, neurophysiology, FMTS, University of Strasbourg, 67000 Strasbourg, France
| | - V Danila
- Department of Psychiatry "pole 8/9", Rouffach Psychiatric Hospital, 68250 Rouffach, France
| | - A Erb
- Department of Psychiatry "pole 8/9", Rouffach Psychiatric Hospital, 68250 Rouffach, France
| | - H M Arcay
- CNRS UMR 7357 iCube, neurophysiology, FMTS, University of Strasbourg, 67000 Strasbourg, France
| | - S Weibel
- Department of Psychiatry and Mental Health-University Hospital of Strasbourg, University of Strasbourg, 67000 Strasbourg, France; Inserm UMR 1114, Physiopathology and Cognitive Psychopathology of Schizophrenia, University of Strasbourg, 67000 Strasbourg, France
| | - F Blanc
- CNRS UMR 7357 iCube, neurophysiology, FMTS, University of Strasbourg, 67000 Strasbourg, France; Geriatrics Department and Expert Center for Neurocognitive Disorders, University Hospital of Strasbourg, University of Strasbourg, 67000 Strasbourg, France
| | - G Meyer
- Pharmacopsy Alsace, Clinical Pharmacy Department, Établissement Public de Santé Alsace Nord, Brumath, France; Pharmacy Department, University Hospital of Strasbourg, 67000 Strasbourg, France
| | - M Tomsa
- Department of Psychiatry "pole 8/9", Rouffach Psychiatric Hospital, 68250 Rouffach, France
| | - G Bertschy
- Department of Psychiatry and Mental Health-University Hospital of Strasbourg, University of Strasbourg, 67000 Strasbourg, France; Inserm UMR 1114, Physiopathology and Cognitive Psychopathology of Schizophrenia, University of Strasbourg, 67000 Strasbourg, France
| | - F Duval
- Department of Psychiatry "pole 8/9", Rouffach Psychiatric Hospital, 68250 Rouffach, France
| | - J R Foucher
- Non-Invasive neuroModulation Center of Strasbourg (CEMNIS), University Hospital of Strasbourg, 67000 Strasbourg, France; CNRS UMR 7357 iCube, neurophysiology, FMTS, University of Strasbourg, 67000 Strasbourg, France
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2
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Angloher G, Banik S, Benato G, Bento A, Bertolini A, Breier R, Bucci C, Burkhart J, Canonica L, D'Addabbo A, Di Lorenzo S, Einfalt L, Erb A, Feilitzsch FV, Ferreiro Iachellini N, Fichtinger S, Fuchs D, Fuss A, Garai A, Ghete VM, Gorla P, Gupta S, Hauff D, Ješkovský M, Jochum J, Kaznacheeva M, Kinast A, Kluck H, Kraus H, Langenkämper A, Mancuso M, Marini L, Mokina V, Nilima A, Olmi M, Ortmann T, Pagliarone C, Pattavina L, Petricca F, Potzel W, Povinec P, Pröbst F, Pucci F, Reindl F, Rothe J, Schäffner K, Schieck J, Schmiedmayer D, Schönert S, Schwertner C, Stahlberg M, Stodolsky L, Strandhagen C, Strauss R, Usherov I, Wagner F, Willers M, Zema V, Ferella F, Laubenstein M, Nisi S. Secular equilibrium assessment in a CaWO 4 target crystal from the dark matter experiment CRESST using Bayesian likelihood normalisation. Appl Radiat Isot 2023; 194:110670. [PMID: 36696751 DOI: 10.1016/j.apradiso.2023.110670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 11/06/2022] [Accepted: 01/13/2023] [Indexed: 01/22/2023]
Abstract
CRESST is a leading direct detection sub-GeVc-2 dark matter experiment. During its second phase, cryogenic bolometers were used to detect nuclear recoils off the CaWO4 target crystal nuclei. The previously established electromagnetic background model relies on Secular Equilibrium (SE) assumptions. In this work, a validation of SE is attempted by comparing two likelihood-based normalisation results using a recently developed spectral template normalisation method based on Bayesian likelihood. Albeit we find deviations from SE in some cases we conclude that these deviations are artefacts of the fit and that the assumptions of SE is physically meaningful.
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Affiliation(s)
- G Angloher
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - S Banik
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria; Atominstitut, Technische Universität Wien, A-1020, Wien, Austria
| | - G Benato
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy
| | - A Bento
- Max-Planck-Institut für Physik, D-80805, München, Germany; LIBPhys-UC, Departamento de Fisica, Universidade de Coimbra, P3004 516, Coimbra, Portugal
| | - A Bertolini
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - R Breier
- Comenius University, Faculty of Mathematics, Physics and Informatics, 84248, Bratislava, Slovakia
| | - C Bucci
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy
| | - J Burkhart
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria; Atominstitut, Technische Universität Wien, A-1020, Wien, Austria.
| | - L Canonica
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - A D'Addabbo
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy
| | - S Di Lorenzo
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy
| | - L Einfalt
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria; Atominstitut, Technische Universität Wien, A-1020, Wien, Austria
| | - A Erb
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany; Walther-Meißner-Institut für Tieftemperaturforschung, D-85748, Garching, Germany
| | - F V Feilitzsch
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - N Ferreiro Iachellini
- Max-Planck-Institut für Physik, D-80805, München, Germany; Excellence Cluster Origins, D-85748, Garching, Germany
| | - S Fichtinger
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria
| | - D Fuchs
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - A Fuss
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria; Atominstitut, Technische Universität Wien, A-1020, Wien, Austria
| | - A Garai
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - V M Ghete
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria
| | - P Gorla
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy
| | - S Gupta
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria
| | - D Hauff
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - M Ješkovský
- Comenius University, Faculty of Mathematics, Physics and Informatics, 84248, Bratislava, Slovakia
| | - J Jochum
- Eberhard-Karls-Universität Tübingen, D-72076, Tübingen, Germany
| | - M Kaznacheeva
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - A Kinast
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - H Kluck
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria
| | - H Kraus
- Department of Physics, University of Oxford, OX1 3RH, Oxford, United Kingdom
| | - A Langenkämper
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - M Mancuso
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - L Marini
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy; GSSI-Gran Sasso Science Institute, I-67100, L'Aquila, Italy
| | - V Mokina
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria
| | - A Nilima
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - M Olmi
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy
| | - T Ortmann
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - C Pagliarone
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy; Dipartimento di Ingegneria Civile e Meccanica, Universitä degli Studi di Cassino e del Lazio Meridionale, I-03043, Cassino, Italy
| | - L Pattavina
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy; Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - F Petricca
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - W Potzel
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - P Povinec
- Comenius University, Faculty of Mathematics, Physics and Informatics, 84248, Bratislava, Slovakia
| | - F Pröbst
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - F Pucci
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - F Reindl
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria; Atominstitut, Technische Universität Wien, A-1020, Wien, Austria
| | - J Rothe
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - K Schäffner
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - J Schieck
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria; Atominstitut, Technische Universität Wien, A-1020, Wien, Austria
| | - D Schmiedmayer
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria; Atominstitut, Technische Universität Wien, A-1020, Wien, Austria
| | - S Schönert
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - C Schwertner
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria; Atominstitut, Technische Universität Wien, A-1020, Wien, Austria
| | - M Stahlberg
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - L Stodolsky
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | - C Strandhagen
- Eberhard-Karls-Universität Tübingen, D-72076, Tübingen, Germany
| | - R Strauss
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - I Usherov
- Eberhard-Karls-Universität Tübingen, D-72076, Tübingen, Germany
| | - F Wagner
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050, Wien, Austria
| | - M Willers
- Physik-Department and ORIGINS Excellence Cluster, Technische Universität München, D-85747, Garching, Germany
| | - V Zema
- Max-Planck-Institut für Physik, D-80805, München, Germany
| | | | - F Ferella
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy; Department of Physical and Chemical Sciences, University of l'Aquila, via Vetoio (COPPITO 1-2), I-67100, L'Aquila, Italy
| | - M Laubenstein
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy
| | - S Nisi
- INFN, Laboratori Nazionali del Gran Sasso, I-67100, Assergi, Italy
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3
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Duval F, Mokrani MC, Danila V, Lopera FG, Erb A, Tomsa M. Hypothalamic-prolactin axis regulation in major depressed patients with suicidal behavior. Psychoneuroendocrinology 2023; 151:106050. [PMID: 36801657 DOI: 10.1016/j.psyneuen.2023.106050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/02/2023] [Accepted: 02/02/2023] [Indexed: 02/05/2023]
Abstract
BACKGROUND So far, little is known about the control of hypothalamic-prolactin axis activity by dopamine (DA) and thyrotropin-releasing hormone (TRH) in depressed patients with suicidal behavior disorder (SBD). METHODS We evaluated prolactin (PRL) responses to apomorphine (APO; a DA direct receptor agonist) and 0800 h and 2300 h protirelin (TRH) tests in 50 medication-free euthyroid DSM-5 major depressed inpatients with SBD (either current [n = 22], or in early remission [n = 28]); and 18 healthy hospitalized controls (HCs). RESULTS Baseline (BL) PRL levels were comparable across the three diagnostic groups. SBDs in early remission did not differ from HCs regarding PRL suppression to APO (PRLs), PRL stimulation to 0800 h and 2300 h TRH tests (∆PRL), and ∆∆PRL values (difference between 2300 h-∆PRL and 0800 h-∆PRL values). Current SBDs showed lower PRLs and ∆∆PRL values than HCs and SBDs in early remission. Further analyses revealed that current SBDs with a history of violent and high-lethality suicide attempts were more likely to exhibit co-occurrence of low ∆∆PRL and PRLS values. CONCLUSIONS Our results suggest that regulation of the hypothalamic-PRL axis is impaired in some depressed patients with current SBD, particularly those who have made serious suicide attempts. Considering the limitations of our study, our findings support the hypothesis that decreased pituitary D2 receptor functionality (possibly adaptive to increased tuberoinfundibular DAergic neuronal activity) together with decreased hypothalamic TRH drive might be a biosignature for high-lethality violent suicide attempts.
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Affiliation(s)
- Fabrice Duval
- Pôle 8/9 Psychiatry, APF2R, Centre Hospitalier, Rouffach, France.
| | | | - Vlad Danila
- Pôle 8/9 Psychiatry, APF2R, Centre Hospitalier, Rouffach, France
| | | | - Alexis Erb
- Pôle 8/9 Psychiatry, APF2R, Centre Hospitalier, Rouffach, France
| | - Mihaela Tomsa
- Pôle 8/9 Psychiatry, APF2R, Centre Hospitalier, Rouffach, France
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4
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Angloher G, Banik S, Bartolot D, Benato G, Bento A, Bertolini A, Breier R, Bucci C, Burkhart J, Canonica L, D’Addabbo A, Di Lorenzo S, Einfalt L, Erb A, Feilitzsch FV, Iachellini NF, Fichtinger S, Fuchs D, Fuss A, Garai A, Ghete VM, Gerster S, Gorla P, Guillaumon PV, Gupta S, Hauff D, Ješkovský M, Jochum J, Kaznacheeva M, Kinast A, Kluck H, Kraus H, Lackner M, Langenkämper A, Mancuso M, Marini L, Meyer L, Mokina V, Nilima A, Olmi M, Ortmann T, Pagliarone C, Pattavina L, Petricca F, Potzel W, Povinec P, Pröbst F, Pucci F, Reindl F, Rizvanovic D, Rothe J, Schäffner K, Schieck J, Schmiedmayer D, Schönert S, Schwertner C, Stahlberg M, Stodolsky L, Strandhagen C, Strauss R, Usherov I, Wagner F, Willers M, Zema V, Waltenberger W. Towards an automated data cleaning with deep learning in CRESST. Eur Phys J Plus 2023; 138:100. [PMID: 36741916 PMCID: PMC9886615 DOI: 10.1140/epjp/s13360-023-03674-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 01/02/2023] [Indexed: 06/18/2023]
Abstract
The CRESST experiment employs cryogenic calorimeters for the sensitive measurement of nuclear recoils induced by dark matter particles. The recorded signals need to undergo a careful cleaning process to avoid wrongly reconstructed recoil energies caused by pile-up and read-out artefacts. We frame this process as a time series classification task and propose to automate it with neural networks. With a data set of over one million labeled records from 68 detectors, recorded between 2013 and 2019 by CRESST, we test the capability of four commonly used neural network architectures to learn the data cleaning task. Our best performing model achieves a balanced accuracy of 0.932 on our test set. We show on an exemplary detector that about half of the wrongly predicted events are in fact wrongly labeled events, and a large share of the remaining ones have a context-dependent ground truth. We furthermore evaluate the recall and selectivity of our classifiers with simulated data. The results confirm that the trained classifiers are well suited for the data cleaning task.
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Affiliation(s)
- G. Angloher
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - S. Banik
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - D. Bartolot
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - G. Benato
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
| | - A. Bento
- Max-Planck-Institut für Physik, D-80805 München, Germany
- LIBPhys-UC, Departamento de Fisica, Universidade de Coimbra, P3004 516 Coimbra, Portugal
| | - A. Bertolini
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - R. Breier
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| | - C. Bucci
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
| | - J. Burkhart
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - L. Canonica
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - A. D’Addabbo
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
| | - S. Di Lorenzo
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
| | - L. Einfalt
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - A. Erb
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
- Walther-Meißner-Institut für Tieftemperaturforschung, D-85748 Garching, Germany
| | - F. v. Feilitzsch
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | | | - S. Fichtinger
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - D. Fuchs
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - A. Fuss
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - A. Garai
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - V. M. Ghete
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - S. Gerster
- Eberhard-Karls-Universität Tübingen, D-72076 Tübingen, Germany
| | - P. Gorla
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
| | - P. V. Guillaumon
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
| | - S. Gupta
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - D. Hauff
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - M. Ješkovský
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| | - J. Jochum
- Eberhard-Karls-Universität Tübingen, D-72076 Tübingen, Germany
| | - M. Kaznacheeva
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - A. Kinast
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - H. Kluck
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - H. Kraus
- Department of Physics, University of Oxford, Oxford, OX1 3RH UK
| | - M. Lackner
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - A. Langenkämper
- Max-Planck-Institut für Physik, D-80805 München, Germany
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - M. Mancuso
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - L. Marini
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
- GSSI-Gran Sasso Science Institute, I-67100 L’Aquila, Italy
| | - L. Meyer
- Eberhard-Karls-Universität Tübingen, D-72076 Tübingen, Germany
| | - V. Mokina
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - A. Nilima
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - M. Olmi
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
| | - T. Ortmann
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - C. Pagliarone
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
- Dipartimento di Ingegneria Civile e Meccanica, Universitá degli Studi di Cassino e del Lazio Meridionale, I-03043 Cassino, Italy
| | - L. Pattavina
- INFN, Laboratori Nazionali del Gran Sasso, I-67100 Assergi, Italy
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - F. Petricca
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - W. Potzel
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - P. Povinec
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| | - F. Pröbst
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - F. Pucci
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - F. Reindl
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - D. Rizvanovic
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - J. Rothe
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - K. Schäffner
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - J. Schieck
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - D. Schmiedmayer
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - S. Schönert
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - C. Schwertner
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
- Atominstitut, Technische Universität Wien, A-1020 Wien, Austria
| | - M. Stahlberg
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - L. Stodolsky
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - C. Strandhagen
- Eberhard-Karls-Universität Tübingen, D-72076 Tübingen, Germany
| | - R. Strauss
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - I. Usherov
- Eberhard-Karls-Universität Tübingen, D-72076 Tübingen, Germany
| | - F. Wagner
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
| | - M. Willers
- Physik-Department, Technische Universität München, D-85747 Garching, Germany
| | - V. Zema
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - W. Waltenberger
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria
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Duval F, Erb A, Mokrani M, Weiss T, Carcangiu R. First‐Dose Methylphenidate‐Induced Changes in the Anti‐Saccade Task Performance and Outcome in Adults with Attention‐Deficit/Hyperactivity Disorder. PRCP 2021; 3:146-152. [PMID: 36101656 PMCID: PMC9175892 DOI: 10.1176/appi.prcp.20210010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 04/27/2021] [Accepted: 04/30/2021] [Indexed: 11/30/2022] Open
Abstract
Objective We examined whether the anti‐saccade task (AST) performance after the first methylphenidate (MPH) dose could be associated with subsequent clinical outcome in adults with attention‐deficit/hyperactivity disorder (ADHD). Methods Ninety‐seven drug‐naive DSM‐5 ADHD adults participated in this study. The AST parameters were measured at baseline, after the first MPH‐dose (10 mg orally), and 6 months after chronic MPH treatment. Results were compared with those of 50 healthy control (HC) subjects. Results At baseline, ADHDs showed longer saccadic reaction times and more direction errors than HCs (both p < 0.00001). Acute and chronic MPH administration resulted in normalization of the AST performances. Multivariate regression analysis after adjusting for age, sex, weight, and severity of symptoms at baseline, revealed that a low percentage of direction errors after the first MPH‐dose (i.e., ≤10%) could predict remission at month 6 (OR: 5.84; 95% CI: 2.00–17.11; p = 0.001). Conclusions Our findings indicate that: (1) impairments of motor planning and response inhibition in adults with ADHD are improved with MPH, and (2) a low direction error percentage after the first MPH‐dose may be an independent predictor of remission. ClinicalTrials.gov identifier: NCT03411434 The antisaccade task (AST) is useful to reveal impairments in inhibitory control in ADHD. Never‐medicated adult ADHD subjects show delays in reaction times and increased direction errors. Methyphenidate (MPH) administration, either acute or chronic, normalizes AST performances. Direction error percentages after the first MPH‐dose could predict treatment outcome.
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Affiliation(s)
- Fabrice Duval
- Pôle 8/9 Psychiatry, APF2R, Centre Hospitalier, Rouffach, France (F. Duval, A. Erb, M. Mokrani, T. Weiss, R. Carcangiu)
| | - Alexis Erb
- Pôle 8/9 Psychiatry, APF2R, Centre Hospitalier, Rouffach, France (F. Duval, A. Erb, M. Mokrani, T. Weiss, R. Carcangiu)
| | - Marie‐Claude Mokrani
- Pôle 8/9 Psychiatry, APF2R, Centre Hospitalier, Rouffach, France (F. Duval, A. Erb, M. Mokrani, T. Weiss, R. Carcangiu)
| | - Thomas Weiss
- Pôle 8/9 Psychiatry, APF2R, Centre Hospitalier, Rouffach, France (F. Duval, A. Erb, M. Mokrani, T. Weiss, R. Carcangiu)
| | - Roberta Carcangiu
- Pôle 8/9 Psychiatry, APF2R, Centre Hospitalier, Rouffach, France (F. Duval, A. Erb, M. Mokrani, T. Weiss, R. Carcangiu)
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6
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Duval F, Mokrani MC, Erb A, Danila V, Lopera FG, Foucher JR, Jeanjean LC. Thyroid axis activity and dopamine function in depression. Psychoneuroendocrinology 2021; 128:105219. [PMID: 33839430 DOI: 10.1016/j.psyneuen.2021.105219] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [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: 10/20/2020] [Revised: 03/29/2021] [Accepted: 03/30/2021] [Indexed: 11/19/2022]
Abstract
BACKGROUND Several lines of evidence suggest alterations in both hypothalamic-pituitary-thyroid (HPT) axis and dopamine (DA) function in depressed patients. However, the functional relationships between HPT and DA systems have not been well defined. METHODS We examined thyrotropin (TSH) response to 0800 h and 2300 h protirelin (TRH) challenges, and adrenocorticotropic hormone (ACTH), cortisol and growth hormone (GH) responses to apomorphine (APO, a DA receptor agonist), in 58 drug-free DSM-IV major depressed inpatients without a suicidal behavior, and 22 healthy hospitalized controls. RESULTS Compared with controls, patients showed 1) lower basal serum 2300 h-TSH, 2300 h-∆TSH, and ∆∆TSH (difference between 2300 h-∆TSH and 0800 h-∆TSH) levels, and 2) lower cortisol response to APO (∆COR). A negative relationship between ∆∆TSH values and hormonal responses to APO was observed in the depressed group, but not in the control group. When patients were classified on the basis of their ∆∆TSH status, patients with reduced ∆∆TSH values (< 2.5 mU/L) showed hormonal APO responses comparable to those of controls. Patients with normal ∆∆TSH values exhibited lower ∆ACTH, ∆COR, and ∆GH values than patients with reduced ∆∆TSH values and controls. CONCLUSION Taken together, these results suggest that hypothalamic DA function is unaltered in depressed patients with HPT dysregulation (i.e., increased hypothalamic TRH drive leading to altered TRH receptor chronesthesy on pituitary thyrotrophs). Conversely, hypothalamic DA-receptor function is decreased in patients with normal HPT axis activity. These findings are discussed in the context of the role of TRH as a homeostatic neuromodulator in depression.
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Affiliation(s)
- Fabrice Duval
- APF2R, Rouffach Centre Hospitalier, Pôle 8/9, Rouffach, France.
| | | | - Alexis Erb
- APF2R, Rouffach Centre Hospitalier, Pôle 8/9, Rouffach, France
| | - Vlad Danila
- APF2R, Rouffach Centre Hospitalier, Pôle 8/9, Rouffach, France
| | | | - Jack R Foucher
- iCube, University of Strasbourg, CNRS UMR 7357 FMTS and CEMNIS, Noninvasive Neuromodulation Center, University Hospital Strasbourg, France
| | - Ludovic C Jeanjean
- APF2R, Rouffach Centre Hospitalier, Pôle 8/9, Rouffach, France; iCube, University of Strasbourg, CNRS UMR 7357 FMTS and CEMNIS, Noninvasive Neuromodulation Center, University Hospital Strasbourg, France
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7
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Duval F, Mokrani MC, Erb A, Gonzalez Lopera F, Danila V, Tomsa M. Neuroendocrine Assessment of Dopaminergic Function during Antidepressant Treatment in Major Depressed Patients. Brain Sci 2021; 11:brainsci11040425. [PMID: 33810562 PMCID: PMC8065982 DOI: 10.3390/brainsci11040425] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 03/09/2021] [Accepted: 03/23/2021] [Indexed: 11/20/2022] Open
Abstract
The effects of antidepressants on dopamine (DA) receptor sensitivity in the mesolimbic–hypothalamic system have yielded contradictory results. The postsynaptic DA receptor function was evaluated by the cortisol response to apomorphine (APO; 0.75 mg SC) in 16 drug-free DSM-5 major depressed inpatients and 18 healthy hospitalized control (HC) subjects. Cortisol response to the dexamethasone suppression test (DST) was also measured. After two and four weeks of antidepressant treatment (ADT), the DST and APO test were repeated in all patients. Cortisol response to APO (∆COR) was not influenced by the hypothalamic–pituitary–adrenal (HPA) axis activity, as assessed by the DST. Pre-treatment ∆COR values did not differ significantly between patients and HCs. During ADT, ∆COR values were lower than in HCs at week 2 and 4. After four weeks of treatment, among the eight patients who had blunted ∆COR values, seven were subsequent remitters, while among the eight patients who had normal ∆COR values, seven were non-remitters. Considering the limitations of our study, the results suggest that following chronic ADT, the desensitization of postsynaptic DA receptors connected with the regulation of the HPA axis at the hypothalamic level is associated with clinical remission. These results could reflect increased DA levels in the mesolimbic pathway.
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Mokrani MC, Duval F, Erb A, Gonzalez Lopera F, Danila V. Are the thyroid and adrenal system alterations linked in depression? Psychoneuroendocrinology 2020; 122:104831. [PMID: 33068950 DOI: 10.1016/j.psyneuen.2020.104831] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/11/2020] [Accepted: 08/11/2020] [Indexed: 11/26/2022]
Abstract
BACKGROUND Disturbances in the hypothalamic-pituitary-thyroid (HPT) and hypothalamic-pituitary-adrenal (HPA) axes have been frequently found in major depression. Given that glucocorticoids may inhibit thyrotropin (TSH) and thyrotropin-releasing hormone (TRH) secretion, it has been hypothesized that hypercortisolemia could lead to HPT axis abnormalities. So far, data on interactions between the HPA and HPT axes in depression remain inconclusive. METHODS In order to investigate this issue, we examined circadian rhythms of serum TSH and cortisol (sampled at 4 -hly intervals throughout a 24 -h span), TSH responses to 0800 h and 2300 h protirelin (TRH) tests and cortisol response to dexamethasone suppression test (DST) in 145 unmedicated inpatients meeting DSM-IV criteria for major depressive disorder (MDDs) and 25 healthy hospitalized control subjects (HCs). RESULTS The secretion of TSH and cortisol exhibited a significant circadian rhythm both in HCs and MDDs. However, compared to HCs, MDDs showed: 1) reduced TSH mesor and amplitude values; 2) blunted 2300 h-ΔTSH and ΔΔTSH values (i.e. differences between 2300 h and 0800 h TRH-TSH responses); and 3) increased cortisol mesor and post-DST cortisol values. DST nonsuppresssors (n = 40, 27 %) showed higher cortisol mesor than DST suppressors (n = 105, 73 %). There was no difference between DST suppressors and nonsuppressors in their TSH circadian parameters and TRH-TSH responses. In addition, cortisol values (circadian and post-DST) were not related to TRH test responses. CONCLUSION Our results do not confirm a key role for hypercortisolemia in the HPT axis dysregulation in depression.
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Affiliation(s)
| | - Fabrice Duval
- APF2R, Centre Hospitalier, Pôle 8/9, 68250 Rouffach, France.
| | - Alexis Erb
- APF2R, Centre Hospitalier, Pôle 8/9, 68250 Rouffach, France
| | | | - Vlad Danila
- APF2R, Centre Hospitalier, Pôle 8/9, 68250 Rouffach, France
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9
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Meyer G, Erb A, Michel B, Hingray C, Duval F, Javelot H. [Tinnitus and venlafaxine discontinuation syndrome]. Therapie 2020; 76:483-486. [PMID: 32646690 DOI: 10.1016/j.therap.2020.06.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 01/30/2020] [Accepted: 06/19/2020] [Indexed: 11/19/2022]
Affiliation(s)
- Guillaume Meyer
- Pharmacopsy Alsace, service de pharmacie clinique, établissement public de santé Alsace Nord, 67170 Brumath, France; Service de pharmacie, CHRU de Strasbourg, 67000 Strasbourg, France
| | - Alexis Erb
- Pharmacopsy Alsace, service de pharmacie clinique, établissement public de santé Alsace Nord, 67170 Brumath, France; Centre hospitalier de Rouffach, 68250 Rouffach, France
| | - Bruno Michel
- Pharmacopsy Alsace, service de pharmacie clinique, établissement public de santé Alsace Nord, 67170 Brumath, France; Service de pharmacie, CHRU de Strasbourg, 67000 Strasbourg, France
| | - Coraline Hingray
- Pôle hospitalo-universitaire de psychiatrie d'adultes du Grand Nancy, centre psychothérapique de Nancy, 54521 Laxou, France
| | - Fabrice Duval
- Pharmacopsy Alsace, service de pharmacie clinique, établissement public de santé Alsace Nord, 67170 Brumath, France; Centre hospitalier de Rouffach, 68250 Rouffach, France
| | - Hervé Javelot
- Pharmacopsy Alsace, service de pharmacie clinique, établissement public de santé Alsace Nord, 67170 Brumath, France.
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10
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Duval F, Mokrani MC, Erb A, Danila V, Gonzalez Lopera F, Jeanjean L. Dopaminergic, Noradrenergic, Adrenal, and Thyroid Abnormalities in Psychotic and Affective Disorders. Front Psychiatry 2020; 11:533872. [PMID: 33101075 PMCID: PMC7546351 DOI: 10.3389/fpsyt.2020.533872] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 09/03/2020] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND This study aimed to assess hypothalamic-pituitary dopaminergic (DA), noradrenergic (NA), thyroid (HPT), and adrenal (HPA) activity in schizophrenia, in schizoaffective disorder, and in bipolar disorder. METHOD We investigated a combined approach of hormone responses to (1) apomorphine (APO), a short-acting DA receptor agonist which decreases prolactin secretion (PRL), and stimulates secretion of growth hormone (GH), adrenocorticotropin (ACTH), and cortisol; (2) clonidine (CLO), an alpha 2-adrenoceptor agonist which stimulates GH secretion; (3) 8 AM and 11 PM protirelin (TRH) which stimulates thyrotropin (TSH) secretion; and (4) dexamethasone which suppresses cortisol secretion, in 13 hospitalized healthy male controls and 39 untreated male inpatients: 13 with DSM-IV paranoid schizophrenia, 13 with DSM-IV schizoaffective disorder (bipolar subtype, depressed at the time of the study), and 13 with DSM-IV bipolar disorder (depressed). RESULTS Compared to controls, paranoid schizophrenic patients showed (1) lower APO-induced ACTH and cortisol stimulation, and (2) higher post-dexamethasone cortisol values. Compared to controls, schizoaffective and bipolar patients showed (1) lower ΔΔTSH values (i.e., difference between 11 PM and 8 AM TRH-TSH responses), (2) lower APO-induced PRL suppression, (3) lower CLO-induced GH stimulation, and (4) higher post-dexamethasone cortisol values. CONCLUSIONS Although results must be interpreted with caution because of the small sample, this preliminary study suggests that depressed bipolar and schizoaffective patients share common biological dysregulations, distinct from that of paranoid schizophrenic patients. From a pathophysiological viewpoint, paranoid schizophrenic patients can be characterized by hyposensitivity of the hypothalamic DA receptors (possibly resulting from an increase in presynaptic DA release) associated with increased HPA axis activity, while depressed bipolar and schizoaffective patients can be characterized by hyposensitivity of the pituitary TRH and DA-D2 receptors (possibly linked to the activation of the hypothalamic TRH and tuberoinfundibular DA neurons, respectively), together with subsensitive postsynaptic α2-adrenoreceptors at the hypothalamic level (possibly secondary to an erratic release of NA) and increased HPA axis activity.
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Affiliation(s)
- Fabrice Duval
- Pôle 8/9-APF2R, Centre Hospitalier, Rouffach, France
| | | | - Alexis Erb
- Pôle 8/9-APF2R, Centre Hospitalier, Rouffach, France
| | - Vlad Danila
- Pôle 8/9-APF2R, Centre Hospitalier, Rouffach, France
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11
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Abdelhameed AH, Angloher G, Bauer P, Bento A, Bertoldo E, Breier R, Bucci C, Canonica L, D’Addabbo A, Lorenzo SD, Erb A, Feilitzsch FV, Iachellini NF, Fichtinger S, Fuss A, Gorla P, Hauff D, Jes̆kovský M, Jochum J, Kaizer J, Kinast A, Kluck H, Kraus H, Langenkämper A, Mancuso M, Mokina V, Mondragón E, Olmi M, Ortmann T, Pagliarone C, Palus̆ová V, Pattavina L, Petricca F, Potzel W, Povinec P, Pröbst F, Reindl F, Rothe J, Schäffner K, Schieck J, Schipperges V, Schmiedmayer D, Schönert S, Schwertner C, Stahlberg M, Stodolsky L, Strandhagen C, Strauss R, Türkoğlu C, Usherov I, Willers M, Zema V, Zeman J. Geant4-based electromagnetic background model for the CRESST dark matter experiment. Eur Phys J C Part Fields 2019; 79:881. [PMID: 31708682 PMCID: PMC6820299 DOI: 10.1140/epjc/s10052-019-7385-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 10/08/2019] [Indexed: 06/10/2023]
Abstract
The CRESST (Cryogenic Rare Event Search with Superconducting Thermometers) dark matter search experiment aims for the detection of dark matter particles via elastic scattering off nuclei in CaWO 4 crystals. To understand the CRESST electromagnetic background due to the bulk contamination in the employed materials, a model based on Monte Carlo simulations was developed using the Geant4 simulation toolkit. The results of the simulation are applied to the TUM40 detector module of CRESST-II phase 2. We are able to explain up to ( 68 ± 16 ) % of the electromagnetic background in the energy range between 1 and 40 keV .
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Affiliation(s)
| | - G. Angloher
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - P. Bauer
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - A. Bento
- Max-Planck-Institut für Physik, 80805 Munich, Germany
- Departamento de Fisica, Universidade de Coimbra, 3004 516 Coimbra, Portugal
| | - E. Bertoldo
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - R. Breier
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| | - C. Bucci
- INFN, Laboratori Nazionali del Gran Sasso, 67100 Assergi, Italy
| | - L. Canonica
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - A. D’Addabbo
- INFN, Laboratori Nazionali del Gran Sasso, 67100 Assergi, Italy
- GSSI-Gran Sasso Science Institute, 67100 L’Aquila, Italy
| | - S. Di Lorenzo
- INFN, Laboratori Nazionali del Gran Sasso, 67100 Assergi, Italy
- GSSI-Gran Sasso Science Institute, 67100 L’Aquila, Italy
| | - A. Erb
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
- Walther-Meißner-Institut für Tieftemperaturforschung, 85748 Garching, Germany
| | - F. v. Feilitzsch
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | | | - S. Fichtinger
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
| | - A. Fuss
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
- Atominstitut, Technische Universität Wien, 1020 Wien, Austria
| | - P. Gorla
- INFN, Laboratori Nazionali del Gran Sasso, 67100 Assergi, Italy
| | - D. Hauff
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - M. Jes̆kovský
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| | - J. Jochum
- Eberhard-Karls-Universität Tübingen, 72076 Tübingen, Germany
| | - J. Kaizer
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| | - A. Kinast
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | - H. Kluck
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
- Atominstitut, Technische Universität Wien, 1020 Wien, Austria
| | - H. Kraus
- Department of Physics, University of Oxford, Oxford, OX1 3RH UK
| | - A. Langenkämper
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | - M. Mancuso
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - V. Mokina
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
| | - E. Mondragón
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | - M. Olmi
- INFN, Laboratori Nazionali del Gran Sasso, 67100 Assergi, Italy
- GSSI-Gran Sasso Science Institute, 67100 L’Aquila, Italy
| | - T. Ortmann
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | - C. Pagliarone
- INFN, Laboratori Nazionali del Gran Sasso, 67100 Assergi, Italy
- Dipartimento di Ingegneria Civile e Meccanica, Universitá degli Studi di Cassino e del Lazio Meridionale, 03043 Cassino, Italy
| | - V. Palus̆ová
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| | - L. Pattavina
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
- GSSI-Gran Sasso Science Institute, 67100 L’Aquila, Italy
| | - F. Petricca
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - W. Potzel
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | - P. Povinec
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
| | - F. Pröbst
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - F. Reindl
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
- Atominstitut, Technische Universität Wien, 1020 Wien, Austria
| | - J. Rothe
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - K. Schäffner
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - J. Schieck
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
- Atominstitut, Technische Universität Wien, 1020 Wien, Austria
| | - V. Schipperges
- Eberhard-Karls-Universität Tübingen, 72076 Tübingen, Germany
| | - D. Schmiedmayer
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
- Atominstitut, Technische Universität Wien, 1020 Wien, Austria
| | - S. Schönert
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | - C. Schwertner
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
- Atominstitut, Technische Universität Wien, 1020 Wien, Austria
| | - M. Stahlberg
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
- Atominstitut, Technische Universität Wien, 1020 Wien, Austria
| | - L. Stodolsky
- Max-Planck-Institut für Physik, 80805 Munich, Germany
| | - C. Strandhagen
- Eberhard-Karls-Universität Tübingen, 72076 Tübingen, Germany
| | - R. Strauss
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | - C. Türkoğlu
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, 1050 Wien, Austria
- Atominstitut, Technische Universität Wien, 1020 Wien, Austria
- Present Address: School of Mathematical and Physical Sciences, University of Sussex, Brighton, BN1 9QH UK
| | - I. Usherov
- Eberhard-Karls-Universität Tübingen, 72076 Tübingen, Germany
| | - M. Willers
- Physik-Department and Excellence Cluster Universe, Technische Universität München, 85747 Garching, Germany
| | - V. Zema
- INFN, Laboratori Nazionali del Gran Sasso, 67100 Assergi, Italy
- GSSI-Gran Sasso Science Institute, 67100 L’Aquila, Italy
- Department of Physics, Chalmers University of Technology, SE-412 96 Göteborg, Sweden
| | - J. Zeman
- Faculty of Mathematics, Physics and Informatics, Comenius University, 84248 Bratislava, Slovakia
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12
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Duval F, Mokrani MC, Erb A, Gonzalez Opera F, Calleja C, Paris V. Relationship between chronobiological thyrotropin and prolactin responses to protirelin (TRH) and suicidal behavior in depressed patients. Psychoneuroendocrinology 2017; 85:100-109. [PMID: 28843902 DOI: 10.1016/j.psyneuen.2017.07.488] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 07/17/2017] [Accepted: 07/19/2017] [Indexed: 12/21/2022]
Abstract
BACKGROUND So far, investigations of the relationships between suicidality and the activity of the thyrotropic and lactotropic axes are scarce and have yielded conflicting results. METHODS We studied the thyrotropin (TSH) and prolactin (PRL) responses to 0800h and 2300h protirelin (TRH) stimulation tests, carried out on the same day, in 122 euthyroid DSM-5 major depressed inpatients with suicidal behavior disorder (SBD) (either current [n=71], or in early remission [n=51]); and 50 healthy hospitalized controls. RESULTS Baseline TSH and PRL measurements did not differ across the 3 groups. In SBDs in early remission, the TSH and PRL responses to TRH tests (expressed as the maximum increment above baseline value after TRH [Δ]) were indistinguishable from controls. Current SBDs showed (1) lower 2300h-ΔTSH and lower ΔΔTSH values (differences between 2300h-ΔTSH and 0800h-ΔTSH) than controls and SBDs in early remission; and (2) lower baseline free thyroxine (FT4B) levels than controls. In the current SBD group, ΔΔPRL values (differences between 2300h-ΔPRL and 0800h-ΔPRL) were correlated negatively with lethality. Moreover, in current SBDs (1) violent suicide attempters (n=15) showed lower FT4B levels, lower TSH-TRH responses (both at 0800h and 2300h), and lower ΔΔTSH and ΔΔPRL values than controls, while (2) non-violent suicide attempters (n=56) showed lower ΔΔTSH values than controls and higher TSH-TRH responses (both at 0800h and 2300h) than violent suicide attempters. CONCLUSIONS Our results suggest that central TRH secretion is not altered in depressed patients with SBD in early remission. The findings that current SBDs exhibit both decreased FT4B levels and decreased evening TSH responses (and consequently, decreased ΔΔTSH values) support the hypothesis that hypothalamic TRH drive is reduced-leading to an impaired TSH resynthesis in the pituitary during the day after the morning TRH challenge. In violent suicide attempters, the marked abnormalities of TRH test responses might indicate a greatest reduction in hypothalamic TRH drive. These results further strengthen the possibility that a deficit in central TRH function may play a key role in the pathogenesis of suicidal behavior.
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Affiliation(s)
- Fabrice Duval
- Pôle 8/9 Psychiatry, APF2R, Centre Hospitalier, Rouffach, France.
| | | | - Alexis Erb
- Pôle 8/9 Psychiatry, APF2R, Centre Hospitalier, Rouffach, France
| | | | - Cécile Calleja
- Pôle 8/9 Psychiatry, APF2R, Centre Hospitalier, Rouffach, France
| | - Véronique Paris
- Pôle 8/9 Psychiatry, APF2R, Centre Hospitalier, Rouffach, France
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13
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Angloher G, Bento A, Bucci C, Canonica L, Defay X, Erb A, Feilitzsch FV, Ferreiro Iachellini N, Gorla P, Gütlein A, Hauff D, Jochum J, Kiefer M, Kluck H, Kraus H, Lanfranchi JC, Loebell J, Münster A, Pagliarone C, Petricca F, Potzel W, Pröbst F, Reindl F, Schäffner K, Schieck J, Schönert S, Seidel W, Stodolsky L, Strandhagen C, Strauss R, Tanzke A, Trinh Thi HH, Türkoğlu C, Uffinger M, Ulrich A, Usherov I, Wawoczny S, Willers M, Wüstrich M, Zöller A. Limits on Momentum-Dependent Asymmetric Dark Matter with CRESST-II. Phys Rev Lett 2016; 117:021303. [PMID: 27447498 DOI: 10.1103/physrevlett.117.021303] [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] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Indexed: 06/06/2023]
Abstract
The usual assumption in direct dark matter searches is to consider only the spin-dependent or spin-independent scattering of dark matter particles. However, especially in models with light dark matter particles O(GeV/c^{2}), operators which carry additional powers of the momentum transfer q^{2} can become dominant. One such model based on asymmetric dark matter has been invoked to overcome discrepancies in helioseismology and an indication was found for a particle with a preferred mass of 3 GeV/c^{2} and a cross section of 10^{-37} cm^{2}. Recent data from the CRESST-II experiment, which uses cryogenic detectors based on CaWO_{4} to search for nuclear recoils induced by dark matter particles, are used to constrain these momentum-dependent models. The low energy threshold of 307 eV for nuclear recoils of the detector used, allows us to rule out the proposed best fit value above.
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Affiliation(s)
- G Angloher
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - A Bento
- Departamento de Fisica, Universidade de Coimbra, P3004 516 Coimbra, Portugal
| | - C Bucci
- INFN, Laboratori Nazionali del Gran Sasso, I-67010 Assergi, Italy
| | - L Canonica
- INFN, Laboratori Nazionali del Gran Sasso, I-67010 Assergi, Italy
| | - X Defay
- Physik-Department and Excellence Cluster Universe, Technische Universität München, D-85747 Garching, Germany
| | - A Erb
- Physik-Department and Excellence Cluster Universe, Technische Universität München, D-85747 Garching, Germany
- Walther-Meißner-Institut für Tieftemperaturforschung, D-85748 Garching, Germany
| | - F V Feilitzsch
- Physik-Department and Excellence Cluster Universe, Technische Universität München, D-85747 Garching, Germany
| | | | - P Gorla
- INFN, Laboratori Nazionali del Gran Sasso, I-67010 Assergi, Italy
| | - A Gütlein
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria and Atominstitut, Vienna University of Technology, A-1020 Wien, Austria
| | - D Hauff
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - J Jochum
- Eberhard-Karls-Universität Tübingen, D-72076 Tübingen, Germany
| | - M Kiefer
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - H Kluck
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria and Atominstitut, Vienna University of Technology, A-1020 Wien, Austria
| | - H Kraus
- Department of Physics, University of Oxford, Oxford OX1 3RH, United Kingdom
| | - J-C Lanfranchi
- Physik-Department and Excellence Cluster Universe, Technische Universität München, D-85747 Garching, Germany
| | - J Loebell
- Eberhard-Karls-Universität Tübingen, D-72076 Tübingen, Germany
| | - A Münster
- Physik-Department and Excellence Cluster Universe, Technische Universität München, D-85747 Garching, Germany
| | - C Pagliarone
- INFN, Laboratori Nazionali del Gran Sasso, I-67010 Assergi, Italy
| | - F Petricca
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - W Potzel
- Physik-Department and Excellence Cluster Universe, Technische Universität München, D-85747 Garching, Germany
| | - F Pröbst
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - F Reindl
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - K Schäffner
- INFN, Laboratori Nazionali del Gran Sasso, I-67010 Assergi, Italy
| | - J Schieck
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria and Atominstitut, Vienna University of Technology, A-1020 Wien, Austria
| | - S Schönert
- Physik-Department and Excellence Cluster Universe, Technische Universität München, D-85747 Garching, Germany
| | - W Seidel
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - L Stodolsky
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - C Strandhagen
- Eberhard-Karls-Universität Tübingen, D-72076 Tübingen, Germany
| | - R Strauss
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - A Tanzke
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - H H Trinh Thi
- Physik-Department and Excellence Cluster Universe, Technische Universität München, D-85747 Garching, Germany
| | - C Türkoğlu
- Institut für Hochenergiephysik der Österreichischen Akademie der Wissenschaften, A-1050 Wien, Austria and Atominstitut, Vienna University of Technology, A-1020 Wien, Austria
| | - M Uffinger
- Eberhard-Karls-Universität Tübingen, D-72076 Tübingen, Germany
| | - A Ulrich
- Physik-Department and Excellence Cluster Universe, Technische Universität München, D-85747 Garching, Germany
| | - I Usherov
- Eberhard-Karls-Universität Tübingen, D-72076 Tübingen, Germany
| | - S Wawoczny
- Physik-Department and Excellence Cluster Universe, Technische Universität München, D-85747 Garching, Germany
| | - M Willers
- Physik-Department and Excellence Cluster Universe, Technische Universität München, D-85747 Garching, Germany
| | - M Wüstrich
- Max-Planck-Institut für Physik, D-80805 München, Germany
| | - A Zöller
- Physik-Department and Excellence Cluster Universe, Technische Universität München, D-85747 Garching, Germany
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14
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Náfrádi B, Keller T, Hardy F, Meingast C, Erb A, Keimer B. Magnetostriction and Magnetostructural Domains in Antiferromagnetic YBa2Cu3O6. Phys Rev Lett 2016; 116:047001. [PMID: 26871352 DOI: 10.1103/physrevlett.116.047001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Indexed: 06/05/2023]
Abstract
We use high-resolution neutron Larmor diffraction and capacitative dilatometry to investigate spontaneous and forced magnetostriction in undoped, antiferromagnetic YBa_{2}Cu_{3}O_{6.0}, the parent compound of a prominent family of high-temperature superconductors. Upon cooling below the Néel temperature T_{N}=420 K, Larmor diffraction reveals the formation of magnetostructural domains of characteristic size ∼240 nm. In the antiferromagnetic state, dilatometry reveals a minute (4×10^{-6}) orthorhombic distortion of the crystal lattice in external magnetic fields. We attribute these observations to exchange striction and spin-orbit coupling induced magnetostriction, respectively, and show that they have an important influence on the thermal and charge transport properties of undoped and lightly doped cuprates.
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Affiliation(s)
- B Náfrádi
- Max-Planck-Institut für Festkörperforschung, Heisenbergstraße 1, D-70569 Stuttgart, Germany
| | - T Keller
- Max-Planck-Institut für Festkörperforschung, Heisenbergstraße 1, D-70569 Stuttgart, Germany
- Max Planck Society Outstation at the Heinz Maier-Leibnitz Zentrum (MLZ), D-85748 Garching, Germany
| | - F Hardy
- Institut für Festkörperphysik, Karlsruher Institut für Technlogie (KIT), D-76344 Eggenstein-Leopoldshafen, Germany
| | - C Meingast
- Institut für Festkörperphysik, Karlsruher Institut für Technlogie (KIT), D-76344 Eggenstein-Leopoldshafen, Germany
| | - A Erb
- Walter Meissner Institut für Tieftemperaturforschung D-85748 Garching, Germany
| | - B Keimer
- Max-Planck-Institut für Festkörperforschung, Heisenbergstraße 1, D-70569 Stuttgart, Germany
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15
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Erb A, Peters DM, Schermuly RT, Heipel M, Bier J, Quanz K, Seeger W, Grimminger F, Weißmann N, Kiss L. Arachidonic acid/cytochrome p450-derived mediators decrease hypoxic pulmonary vasoconstriction in isolated, ventilated and perfused mouse lungs. Pneumologie 2014. [DOI: 10.1055/s-0034-1376816] [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: 10/25/2022]
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16
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Duval F, Mokrani MC, Gonzalez Lopera F, Alexa C, Rabia H, Proudnikova X, Erb A. 1596 – Chronobiological thyroid axis activity could predict antidepressant response in major depression. Eur Psychiatry 2013. [DOI: 10.1016/s0924-9338(13)76594-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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17
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Duval F, Mokrani MC, Gonzalez Lopera F, Proudnikova X, Rabia H, Erb A. 2566 – Chronobiological thyroid axis activity and suicidal behavior in depressed patients. Eur Psychiatry 2013. [DOI: 10.1016/s0924-9338(13)77241-9] [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: 11/30/2022] Open
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18
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Thonar C, Erb A, Jansa J. Real-time PCR to quantify composition of arbuscular mycorrhizal fungal communities--marker design, verification, calibration and field validation. Mol Ecol Resour 2011; 12:219-32. [PMID: 22059700 DOI: 10.1111/j.1755-0998.2011.03086.x] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Quantitative real-time PCR (qPCR) is slowly becoming established as a tool to quantify abundance of different arbuscular mycorrhizal fungal (AMF) taxa in roots and in soil. Here, we describe the development and field validation of qPCR markers (i.e. primers with associated hydrolysis probes), targeting taxon-specific motifs in the nuclear large ribosomal subunit RNA genes. Design of such markers is complicated by the multinuclear and multigenomic cellular organization of these fungi and the high DNA sequence diversity within the smallest biologically relevant units (i.e. single-spore isolates). These limitations are further compounded by inefficient biomass production of these fungi, resulting in limited availability of pure genomic DNA (gDNA) of well-defined isolates for cross-specificity testing of the markers. Here we demonstrate, using a number of AMF isolates, the possibility to establish stringent qPCR running conditions allowing quantification of phylogenetically disjunctive AMF taxa. Further, we show that these markers can more generally be used to quantify abundance (i.e. number of target gene copies or amount of gDNA) of what is usually considered the level of AMF species, regardless of the isolate identities. We also illustrate the range of variation within qPCR signal strength across different AMF taxa with respect to the detected number of gene copies per unit amount of gDNA. This information is paramount for interpretation of the qPCR analyses of field samples. Finally, the field validation of these markers confirmed their potential to assess composition of field AMF communities and monitor the changes owing to agricultural practices such as soil tillage.
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Affiliation(s)
- C Thonar
- ETH Zürich, Institute of Agricultural Sciences, Eschikon 33, 8315 Lindau, Switzerland FiBL, Research Institute for Organic Agriculture, Ackerstrasse 1, 5070 Frick, Switzerland.
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19
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Helm T, Kartsovnik MV, Sheikin I, Bartkowiak M, Wolff-Fabris F, Bittner N, Biberacher W, Lambacher M, Erb A, Wosnitza J, Gross R. Magnetic breakdown in the electron-doped cuprate superconductor Nd(2-x)Ce(x)CuO4: the reconstructed Fermi surface survives in the strongly overdoped regime. Phys Rev Lett 2010; 105:247002. [PMID: 21231554 DOI: 10.1103/physrevlett.105.247002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2010] [Indexed: 05/30/2023]
Abstract
We report on semiclassical angle-dependent magnetoresistance oscillations and the Shubnikov-de Haas effect in the electron-overdoped cuprate superconductor Nd(2-x)CexCuO4. Our data provide convincing evidence for magnetic breakdown in the system. This shows that a reconstructed multiply connected Fermi surface persists, at least at strong magnetic fields, up to the highest doping level of the superconducting regime.
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Affiliation(s)
- T Helm
- Walther-Meißner-Institut, Bayerische Akademie der Wissenschaften, Walther-Meißner-Straße 8, D-85748 Garching, Germany
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20
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Pashkin A, Porer M, Beyer M, Kim KW, Dubroka A, Bernhard C, Yao X, Dagan Y, Hackl R, Erb A, Demsar J, Huber R, Leitenstorfer A. Femtosecond response of quasiparticles and phonons in superconducting YBa(2)Cu(3)O(7-δ) studied by wideband terahertz spectroscopy. Phys Rev Lett 2010; 105:067001. [PMID: 20867998 DOI: 10.1103/physrevlett.105.067001] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2010] [Indexed: 05/29/2023]
Abstract
We measure the anisotropic midinfrared response of electrons and phonons in bulk YBa(2)Cu(3)O(7-δ) after femtosecond photoexcitation. A line shape analysis of specific lattice modes reveals their transient occupation and coupling to the superconducting condensate. The apex oxygen vibration is strongly excited within 150 fs, demonstrating that the lattice absorbs a major portion of the pump energy before the quasiparticles are thermalized. Our results attest to substantial electron-phonon scattering and introduce a powerful concept probing electron-lattice interactions in a variety of complex materials.
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Affiliation(s)
- A Pashkin
- Department of Physics and Center for Applied Photonics, University of Konstanz, 78457 Konstanz, Germany
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21
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Helm T, Kartsovnik MV, Bartkowiak M, Bittner N, Lambacher M, Erb A, Wosnitza J, Gross R. Evolution of the Fermi surface of the electron-doped high-temperature superconductor Nd(2-x)Ce(x)CuO(4) revealed by Shubnikov-de Haas oscillations. Phys Rev Lett 2009; 103:157002. [PMID: 19905660 DOI: 10.1103/physrevlett.103.157002] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2009] [Indexed: 05/28/2023]
Abstract
We report on the direct probing of the Fermi surface in the bulk of the electron-doped superconductor Nd(2-x)Ce(x)CuO(4) at different doping levels by means of magnetoresistance quantum oscillations. Our data reveal a sharp qualitative change in the Fermi surface topology, due to translational symmetry breaking in the electronic system which occurs at a critical doping level significantly exceeding the optimal doping. This result implies that the (pi/a, pi/a) ordering, known to exist at low doping levels, survives up to the overdoped superconducting regime.
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Affiliation(s)
- T Helm
- Walther-Meissner-Institut, Bayerische Akademie der Wissenschaften, D-85748 Garching, Germany
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22
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White JS, Hinkov V, Heslop RW, Lycett RJ, Forgan EM, Bowell C, Strässle S, Abrahamsen AB, Laver M, Dewhurst CD, Kohlbrecher J, Gavilano JL, Mesot J, Keimer B, Erb A. Fermi surface and order parameter driven vortex lattice structure transitions in twin-free YBa2Cu3O7. Phys Rev Lett 2009; 102:097001. [PMID: 19392554 DOI: 10.1103/physrevlett.102.097001] [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] [Subscribe] [Scholar Register] [Received: 10/01/2008] [Indexed: 05/27/2023]
Abstract
We report on small-angle neutron scattering studies of the intrinsic vortex lattice (VL) structure in detwinned YBa2Cu3O7 at 2 K, and in fields up to 10.8 T. Because of the suppressed pinning to twin-domain boundaries, a new distorted hexagonal VL structure phase is stabilized at intermediate fields. It is separated from a low-field hexagonal phase of different orientation and distortion by a first-order transition at 2.0(2) T that is probably driven by Fermi surface effects. We argue that another first-order transition at 6.7(2) T, into a rhombic structure with a distortion of opposite sign, marks a crossover from a regime where Fermi surface anisotropy is dominant, to one where the VL structure and distortion is controlled by the order-parameter anisotropy.
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Affiliation(s)
- J S White
- School of Physics and Astronomy, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom
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23
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Erb A, Stürmer T, Marre R, Brenner H. Prevalence of antibiotic resistance in Escherichia coli: overview of geographical, temporal, and methodological variations. Eur J Clin Microbiol Infect Dis 2007; 26:83-90. [PMID: 17235554 DOI: 10.1007/s10096-006-0248-2] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The increase in bacterial antibiotic resistance is of major concern worldwide, but pertinent epidemiologic studies have used strongly divergent approaches and are widely scattered in the literature. The aim of this study was to conduct a systematic review of studies reporting on the prevalence of antibiotic resistance in Escherichia coli in different parts of the world. Studies published from 1970 to 2006 on the prevalence of E. coli resistance were identified by a systematic Medline research and reviewed with respect to characteristics of the study design and study population, the method of resistance detection, and the prevalence of resistance. The prevalence of resistance to specific antibiotics was highly variable in different populations and in different countries and ranged from 0 to 100%. The prevalence of resistance reported in studies from Middle and South America, Spain, and Turkey was higher than that reported in the USA and Central Europe. Moreover, a tendency towards higher prevalence rates of resistance in recent years was observed. The findings indicate a need for regular monitoring of antimicrobial susceptibility rates in different human and animal populations by standardized sampling and measurement procedures. Such monitoring would help identify relevant factors that contribute to the spread of resistant pathogens and would support the prudent use of antibiotics.
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Affiliation(s)
- A Erb
- Department of Epidemiology, German Centre for Research on Aging, Bergheimer Strasse 20, 69115, Heidelberg, Germany
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24
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Zabolotnyy VB, Borisenko SV, Kordyuk AA, Fink J, Geck J, Koitzsch A, Knupfer M, Büchner B, Berger H, Erb A, Lin CT, Keimer B, Follath R. Effect of Zn and Ni impurities on the quasiparticle renormalization of superconducting Bi-2212. Phys Rev Lett 2006; 96:037003. [PMID: 16486757 DOI: 10.1103/physrevlett.96.037003] [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] [Subscribe] [Scholar Register] [Received: 08/23/2005] [Indexed: 05/06/2023]
Abstract
The Cu substitution by Zn and Ni impurities and its influence on the mass renormalization effects in angle-resolved photoelectron spectra (ARPES) of Bi2Sr2CaCu2O8-delta is addressed. We show that the nonmagnetic Zn atoms have a much stronger effect in both the nodal and antinodal parts of the Brillouin zone than magnetic Ni. The observed changes are consistent with the behavior of the spin resonance mode as seen by inelastic neutron scattering in YBCO. This strongly suggests that the "peak-dip-hump" and the kink in ARPES on the one side and neutron resonance on the other are closely related features.
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Affiliation(s)
- V B Zabolotnyy
- Institute for Solid State Research, IFW-Dresden, P.O. Box 270116, D-01171 Dresden, Germany
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25
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Lietzau S, Stürmer T, Erb A, Von Baum H, Marre R, Brenner H. Prevalence and determinants of nasal colonization with antibiotic-resistant Staphylococcus aureus among unselected patients attending general practitioners in Germany. Epidemiol Infect 2004; 132:655-62. [PMID: 15310167 PMCID: PMC2870146 DOI: 10.1017/sh0950268804002341] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Although the great majority of antibiotics are prescribed outside hospitals, little is known about the prevalence and determinants of antibiotic resistance in the group of outpatients. Nasal swabs were taken from 627 consecutive patients aged 40 years or above attending general practitioners in Southern Germany. Staphylococcus aureus was cultured and minimal inhibitory concentrations to various antibiotics were tested. Nasal swabs of 152 patients were positive for S. aureus. Prevalence of resistance was 68.3, 8.3 and 0.7% for penicillin G, erythromycin, and oxacillin respectively. Antibiotic use within the last month was associated with erythromycin resistance [adjusted odds ratio (OR) 7.4; 95 % confidence interval (CI) 1.0-53]. Besides a high prevalence of resistance to penicillinase-instable antibiotics we found only one (0.7%) methicillin-resistant S. aureus. Recent antibiotic use was associated with increased resistance to erythromycin.
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Affiliation(s)
- S Lietzau
- Department of Epidemiology, German Centre for Research on Ageing, Heidelberg, Germany
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26
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Brown SP, Charalambous D, Jones EC, Forgan EM, Kealey PG, Erb A, Kohlbrecher J. Triangular to square flux lattice phase transition in YBa2Cu3O7. Phys Rev Lett 2004; 92:067004. [PMID: 14995265 DOI: 10.1103/physrevlett.92.067004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2003] [Indexed: 05/24/2023]
Abstract
We have used the technique of small-angle neutron scattering to observe magnetic flux lines directly in a YBa2Cu3O7 single crystal at fields higher than previously reported. For field directions close to perpendicular to the CuO2 planes, we find that the flux lattice structure changes smoothly from a distorted triangular coordination to nearly perfectly square as the magnetic induction approaches 11 T. The orientation of the square flux lattice is as expected from recent d-wave theories but is 45 degrees from that recently observed in La(1.83)Sr(0.17)CuO(4+delta).
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Affiliation(s)
- S P Brown
- School of Physics and Astronomy, University of Birmingham, Birmingham B15 2TT, United Kingdom.
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Murphy JF, Zitter TA, Erb A. Tobacco mosaic virus in Jalapeno Pepper in New York. Plant Dis 2003; 87:202. [PMID: 30812937 DOI: 10.1094/pdis.2003.87.2.202d] [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] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Jalapeno pepper plants (Capsicum annuum cv. Jaladuro) grown in Erie County, New York expressed chlorotic oak-leaf patterns along the primary vein of fully expanded leaves. Fruit had patterns of irregular ripening with a bumpy surface. Symptom expression was most obvious in August 2002, when leaf and fruit abscission occurred. Symptomatic fruit samples were tested by western blot analysis for the presence of Cucumber mosaic virus (CMV), Potato virus Y (PVY), Pepper mottle virus (PepMoV), Tobacco etch virus (TEV), and Tobacco mosaic virus (TMV). A positive reaction for TMV, but none of the other viruses, was observed. Symptomatic leaf samples were tested by Agdia, Inc. (Elkhart, IN) for Alfalfa mosaic virus, CMV, Impatiens necrotic spot virus, Pepper mild mottle virus, PepMoV, PVY, TEV, TMV, Tobacco ringspot virus, Tomato ringspot virus, and TSWV and for potyviruses using a group-specific test. The Agdia test confirmed that the pepper plants were infected with TMV. The pepper field where the original samples were collected was surveyed for TMV-infected plants. Fifty symptomatic plants expressing foliar and fruit symptoms similar to those originally tested, and 50 asymptomatic plants were sampled by collection of three leaves per plant and tested using enzyme-linked immunosorbent assay for the presence of TMV. All symptomatic plants and 18% of asymptomatic plants tested positive for TMV. To our knowledge, this is the first occurrence of TMV causing losses in commercially grown pepper in New York.
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Affiliation(s)
- J F Murphy
- Department of Entomology and Plant Pathology, Auburn University, AL 36849
| | - T A Zitter
- Department of Plant Pathology, Cornell University, Ithaca, NY 14853
| | - A Erb
- Lake Plains Vegetable Program, Cornell Cooperative Extension, E. Aurora, NY 14052
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Wang NL, Timusk T, Franck JP, Schweiss P, Braden M, Erb A. Oxygen isotope effect in the ab-plane reflectance of underdoped YBa(2)Cu(3)O(7-delta). Phys Rev Lett 2002; 89:087003. [PMID: 12190494 DOI: 10.1103/physrevlett.89.087003] [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] [Subscribe] [Scholar Register] [Received: 10/31/2001] [Indexed: 05/23/2023]
Abstract
We have measured the effect of oxygen isotope substitution on the ab-plane reflectance of underdoped YBa(2)Cu(3)O(7-delta). The frequency shift of the transverse optic phonons due to the substitution of 16O by 18O yields an isotope effect of the expected magnitude for copper-oxygen stretching modes with alpha=0.5+/-0.1. The reflectance shoulder at 400-500 cm(-1) shows a much smaller exponent of alpha=0.1+/-0.1 in the normal state and alpha=0.23+/-0.1 in the superconducting state. These observations suggest that the shoulder is of electronic origin and not due to a phonon mode as has been suggested recently.
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Affiliation(s)
- N L Wang
- Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4M1
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Marre R, Scheringer I, Erb A, Zeitler HP, Stürmer T, Brenner H. Prävalenz der E.-coli -Antibiotikaresistenz in der Allgemeinbevölkerung. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2002. [DOI: 10.1007/s00103-001-0361-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Stürmer T, Erb A, Keller F, Günther KP, Brenner H. Determinants of impaired renal function with use of nonsteroidal anti-inflammatory drugs: the importance of half-life and other medications. Am J Med 2001; 111:521-7. [PMID: 11705427 DOI: 10.1016/s0002-9343(01)00942-1] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.7] [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: 11/18/2022]
Abstract
PURPOSE Nonsteroidal anti-inflammatory drugs (NSAIDs) may interfere with renal function, but little is known about the effects of the half-life of these agents, or the use of other medications, on renal function. SUBJECTS AND METHODS Medication use was assessed during a standardized interview in a cross-sectional study of 802 patients undergoing total joint replacement because of osteoarthritis. Preoperative blood samples were used to estimate creatinine clearance using a standard formula that takes age, sex, and weight into account. Impaired renal function was defined as an estimated creatinine clearance less than 60 mL/min (fifteenth percentile). Multivariable logistic regression was used to estimate the adjusted odds ratios (OR) and 95% confidence intervals (CI) for the association between NSAID use (alone or in combination with diuretics or angiotensin-converting enzyme [ACE] inhibitors) and impaired renal function. RESULTS NSAID use per se was only marginally associated with impaired renal function (OR = 1.4; 95% CI, 0.9 to 2.2). This association was almost exclusively the result of the use of NSAIDs with a half-life of 4 or more hours (OR = 2.6; 95% CI: 1.2 to 5.7). Patients who used diuretics with NSAIDs (OR = 3.7; 95% CI: 1.7 to 8.3) or without NSAIDs (OR = 3.5; 95% CI: 1.6 to 7.6) had a higher risk of impaired renal function than did patients using NSAIDs alone (OR = 1.6) or none of these drugs (reference). A similar but less pronounced pattern was observed for ACE inhibitors. CONCLUSION NSAID-associated impaired renal function seems to be mainly the result of compounds with intermediate-long half-life. We found no evidence that the adverse effects of diuretics and ACE inhibitors on renal function were greater in those who also used NSAIDs.
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Affiliation(s)
- T Stürmer
- Department of Epidemiology, German Centre for Research on Ageing, Heidelberg, Germany
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31
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Gruninger M, Tsvetkov AA, Erb A. Observation of out-of-phase bilayer plasmons in YBa(2)Cu(3)O(7-delta). Phys Rev Lett 2000; 84:1575-1578. [PMID: 11017571 DOI: 10.1103/physrevlett.84.1575] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/1999] [Indexed: 05/23/2023]
Abstract
The temperature dependence of the c-axis optical conductivity sigma(omega) of optimally and overdoped YBa2Cu3Ox ( x = 6.93 and 7) is reported in the far- (FIR) and midinfrared (MIR) range. Below T(c) we observe a transfer of spectral weight from the FIR not only to the condensate at omega = 0, but also to a new peak in the MIR. This peak is naturally explained as a transverse out-of-phase bilayer plasmon by a model for sigma(omega) which takes the layered crystal structure into account. With decreasing doping the plasmon shifts to lower frequencies and can be identified with the surprising and so far not understood FIR feature reported in underdoped bilayer cuprates.
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Affiliation(s)
- M Gruninger
- Laboratory of Solid State Physics, MSC, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
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Erb A, Brenner H, Günther KP, Stürmer T. Hormone replacement therapy and patterns of osteoarthritis: baseline data from the Ulm Osteoarthritis Study. Ann Rheum Dis 2000; 59:105-9. [PMID: 10666164 PMCID: PMC1753063 DOI: 10.1136/ard.59.2.105] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVES It has been suggested that hormone replacement therapy (HRT) may protect against osteoarthritis (OA). The aim of this paper was to assess the association between HRT and radiographically defined patterns of OA. METHODS 475 consecutive women aged 50 years or older (mean age 66.1) who underwent hip or knee joint replacement because of advanced OA in four hospitals in south west Germany were enrolled in a cross sectional study. Participants underwent a standardised interview including detailed history of medication use and a physical examination. Furthermore, radiographs of the joint being replaced and of the contralateral joint as well as of both hands were obtained. Patients were categorised as having bilateral or unilateral OA according to the presence or absence of radiographic OA in the contralateral joint. If radiographic OA of different hand and finger joint groups was present, participants were categorised as having generalised OA (GOA). Logistic regression was used to estimate odds ratios and their 95% confidence intervals for the association between HRT and bilateral or GOA while adjusting for potential confounders. RESULTS Fifty five women (11.6%) were using HRT. The median duration of use was 5.4 years. The prevalence of bilateral and GOA was similar among users of ORT (86.3% and 27.5%, respectively) and among non-users of HRT (88.7% and 35.7%, respectively). After adjustment for potential confounding factors, the odds ratios (95% confidence intervals) of bilateral OA and GOA among HRT users compared with non-users was 1.21 (0.48, 3.03) and 1. 21 (0.53, 2.74), respectively. CONCLUSION Despite limited generalisability because of the selective study sample, these data do not support the hypothesis that HRT acts as a systemic protective factor against OA.
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Affiliation(s)
- A Erb
- Department of Epidemiology, University of Ulm, Germany, Helmholtzstr 22, D-89081 Ulm, Germany
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Indenbom MV, van der Beek CJ, Berseth V, Benoit W, D'Anna G, Erb A, Walker E, Flükiger R. Magneto-optical observation of twisted vortices in type-II superconductors. Nature 1997. [DOI: 10.1038/385702a0] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Breit V, Schweiss P, Hauff R, Wühl H, Claus H, Rietschel H, Erb A, Müller-Vogt G. Evidence for chain superconductivity in near-stoichiometric YBa2Cu3Ox single crystals. Phys Rev B Condens Matter 1995; 52:15727-15730. [PMID: 9980942 DOI: 10.1103/physrevb.52.r15727] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Maggio-Aprile I, Renner C, Erb A, Walker E, Fischer O. Direct vortex lattice imaging and tunneling spectroscopy of flux lines on YBa2Cu3O7- delta. Phys Rev Lett 1995; 75:2754-2757. [PMID: 10059396 DOI: 10.1103/physrevlett.75.2754] [Citation(s) in RCA: 70] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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36
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Nücker N, Pellegrin E, Schweiss P, Fink J, Molodtsov SL, Simmons CT, Kaindl G, Frentrup W, Erb A, Müller-Vogt G. Site-specific and doping-dependent electronic structure of YBa2Cu3Ox probed by O 1s and Cu 2p x-ray-absorption spectroscopy. Phys Rev B Condens Matter 1995; 51:8529-8542. [PMID: 9977468 DOI: 10.1103/physrevb.51.8529] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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37
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Riedling S, Bräuchle G, Lucht R, Röhberg K, Löhneysen H, Claus H, Erb A, Müller-Vogt G. Observation of the Wohlleben effect in YBa2Cu3O7- delta single crystals. Phys Rev B Condens Matter 1994; 49:13283-13286. [PMID: 10010260 DOI: 10.1103/physrevb.49.13283] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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38
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Klein L, Yacoby ER, Yeshurun Y, Erb A, Müller-Vogt G, Breit V, Wühl H. Peak effect and scaling of irreversible properties in untwinned Y-Ba-Cu-O crystals. Phys Rev B Condens Matter 1994; 49:4403-4406. [PMID: 10011357 DOI: 10.1103/physrevb.49.4403] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Schweiss P, Reichardt W, Braden M, Collin G, Heger G, Claus H, Erb A. Static and dynamic displacements in RBa2Cu3O7- delta (R=Y, Ho; delta =0.05, 0.5): A neutron-diffraction study on single crystals. Phys Rev B Condens Matter 1994; 49:1387-1396. [PMID: 10010450 DOI: 10.1103/physrevb.49.1387] [Citation(s) in RCA: 80] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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40
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Remmel J, Meyer O, Geerk J, Reiner J, Linker G, Erb A, Müller-Vogt G. Structural anomalies in the oxygen sublattice of YBa2Cu3O7 and EuBa2Cu3O7 at Tc. Phys Rev B Condens Matter 1993; 48:16168-16171. [PMID: 10008195 DOI: 10.1103/physrevb.48.16168] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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41
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Pyka N, Reichardt W, Pintschovius L, Chaplot SL, Schweiss P, Erb A, Müller-Vogt G. Neutron-scattering study of chain-oxygen vibrations in YBa2Cu3O7. Phys Rev B Condens Matter 1993; 48:7746-7749. [PMID: 10006958 DOI: 10.1103/physrevb.48.7746] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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42
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Welp U, Fleshler S, Kwok WK, Downey J, Crabtree GW, Claus H, Erb A, Müller-Vogt G. Effect of gold impurities on the superconducting fluctuations and the upper critical field of YBa2Cu3O7- delta single crystals. Phys Rev B Condens Matter 1993; 47:12369-12372. [PMID: 10005429 DOI: 10.1103/physrevb.47.12369] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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43
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Andrassy K, Waldherr R, Erb A, Ritz E. De novo glomerulonephritis in patients during remission from Wegener's granulomatosis. Clin Nephrol 1992; 38:295-8. [PMID: 1468158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
In a cohort of 20 consecutive patients with Wegener's granulomatosis and biopsy-proven pauci-immune crescentic glomerulonephritis three patients were in remission, but developed again a nephritic sediment without signs of systemic disease or positive ANCA titers. The second renal biopsy showed de novo mesangial IgA deposits 6, 17 and 28 months following admission for systemic disease and institution of immunosuppressive treatment. All patients were male, HLA-DR-2 positive and exhibited repeated upper respiratory tract infections. A fourth patient was admitted in end-stage renal failure with high titers of C-ANCA of the IgG isotype and proteinase 3 ab without clinical evidence of systemic manifestations of WG. Renal biopsy showed chronic sclerosing GN with marked IgA deposits. De novo development of IgA-GN is observed in a remarkable proportion of patients with WG and must be distinguished from exacerbation of the systemic disease.
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Affiliation(s)
- K Andrassy
- Department of Internal Medicine, Ruperto Carola University Heidelberg, Germany
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44
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Schützmann J, Gorshunov B, Renk KF, Münzel J, Zibold A, Geserich HP, Erb A, Müller-Vogt G. Far-infrared hopping conductivity in the CuO chains of a single-domain YBa2Cu3O7- delta crystal. Phys Rev B Condens Matter 1992; 46:512-515. [PMID: 10002245 DOI: 10.1103/physrevb.46.512] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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45
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Meingast C, Kraut O, Wolf T, Wühl H, Erb A, Müller-Vogt G. Large a-b anisotropy of the expansivity anomaly at Tc in untwinned YBa2Cu3O7- delta. Phys Rev Lett 1991; 67:1634-1637. [PMID: 10044205 DOI: 10.1103/physrevlett.67.1634] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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46
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Andrassy K, Erb A, Koderisch J, Waldherr R, Ritz E. Wegener's granulomatosis with renal involvement: patient survival and correlations between initial renal function, renal histology, therapy and renal outcome. Clin Nephrol 1991; 35:139-47. [PMID: 1855316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Patient survival and renal outcome were followed in 25 patients with biopsy confirmed Wegener's granulomatosis and renal involvement. Fourteen out of 25 patients required dialysis on admission, 11/25 patients did not. All patients were treated with a novel protocol comprising methylprednisolone and cyclophosphamide. The median follow-up observation was 36 months (12-113 months). With the exception of 1 patient (who died from causes not related to Wegener's granulomatosis) all patients are alive. Among the patients initially requiring dialysis (n = 14) 4 are in terminal renal failure after 0, 7, 21 and 38 months respectively. In the nondialysis group (n = 11) only 1 patient subsequently required chronic dialysis 30 months after clinical admission. Renal failure was due to non-compliance with immunosuppressive therapy in at least 2 patients. Percentage of obsolescent glomeruli and the degree of tubulointerstitial lesions, but not active glomerular lesions (crescents, necroses) predicted renal outcome. The major cause of renal functional impairment was relapse of Wegener's granulomatosis usually within 2 years after clinical remission. Therefore prolonged treatment with cyclophosphamide for at least 2 years after clinical remission is recommended. Two patients with initially negative immunohistology had a second renal biopsy which revealed de novo appearance of mesangial IgA deposits.
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Affiliation(s)
- K Andrassy
- Medizinische Universitätsklinik, Heidelberg, Germany
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47
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Andrassy K, Koderisch J, Rufer M, Erb A, Waldherr R, Ritz E. Detection and clinical implication of anti-neutrophil cytoplasm antibodies in Wegener's granulomatosis and rapidly progressive glomerulonephritis. Clin Nephrol 1989; 32:159-67. [PMID: 2572369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
The specificity of anti-neutrophil cytoplasm antibodies (ACPA/ANCA) was investigated in patients suffering from Wegener's granulomatosis (WG), various forms of systemic diseases including vasculitides (non-WG), and different types of biopsy-proven glomerulonephritides. In particular, the diagnostic significance of ACPA/ANCA was assessed in patients affected by rapidly progressive glomerulonephritis with and without systemic manifestations. From 25 patients with active Wegener's granulomatosis 22 showed the classical diffuse finely granular cytoplasmic staining of neutrophils as did 4/31 patients with idiopathic rapidly progressive glomerulonephritis. One patient with biopsy confirmed Wegener's granulomatosis, six patients with microscopic polyarteritis and 3/31 patients with idiopathic rapidly progressive glomerulonephritis showed a focal cytoplasmic staining exhibiting a rosette-like pattern. One further patient with Wegener's granulomatosis displayed a prominent fluorescence of the outer nuclear membrane as well as a punctate-diffuse nuclear staining resembling that of granulocyte specific antibodies. Another patient with active Wegener's granulomatosis did not react in the ACPA/ANCA-test. These findings demonstrate different staining patterns of neutrophils which are related to different clinical entities within the spectrum of small vessel vasculitis. Moreover, they point out that different antigens are involved in the various types of vasculitis. In classical cases of Wegener's granulomatosis, but not in other forms of vasculitis, the titer of ACPA/ANCA showed a close relationship to the number of organs involved.
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Affiliation(s)
- K Andrassy
- Department of Medicine, University of Heidelberg, FRG
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48
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Lesch KP, Laux G, Erb A, Pfüller H, Beckmann H. Neuroendocrine regulation of growth hormone secretion in major depressive disorder. Pharmacopsychiatry 1988; 21:440-2. [PMID: 3149754 DOI: 10.1055/s-2007-1017044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- K P Lesch
- Department of Psychiatry, University of Würzburg, FRG
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49
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Lesch KP, Laux G, Schulte HM, Erb A, Pfüller H, Beckmann H. Pre- and postsynaptic alpha-adrenergic effects of clonidine in major depressive disorder. Pharmacopsychiatry 1988; 21:430-1. [PMID: 2854278 DOI: 10.1055/s-2007-1017039] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- K P Lesch
- Department of Psychiatry, University of Würzburg, FRG
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50
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Lesch KP, Laux G, Erb A, Pfüller H, Beckmann H. Growth hormone (GH) responses to GH-releasing hormone in depression: correlation with GH release following clonidine. Psychiatry Res 1988; 25:301-10. [PMID: 3141943 DOI: 10.1016/0165-1781(88)90100-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Twenty subjects (10 patients with major depressive disorder and 10 controls matched for age, gender, and ovarian status) received 1 microgram/kg synthetic human growth hormone-releasing hormone (GHRH)-44 amide as an i.v. bolus dose. Compared to controls, depressed patients showed a significant attenuation of net growth hormone (GH) responses to GHRH associated with normal basal GH concentrations. The blunted GH responses occurred in the face of significantly higher somatomedin C (Sm-C) concentrations. Comparison of GH responses after GHRH with GH output following the alpha 2-agonist clonidine (CLON) revealed a significant positive correlation. The concordance between GH responses after specific challenges at different levels of the GHRH-GH-somatomedin axis indicates the integrity of the hypothalamic-pituitary-somatotropic system in depression and supports the view that altered GH secretory patterns in depression may primarily be due to a suprapituitary disturbance.
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Affiliation(s)
- K P Lesch
- Department of Psychiatry, University of Würzburg, FRG
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