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Baumann R, Brand P, Chaker A, Markert A, Rack I, Davatgarbenam S, Joraslafsky S, Gerhards B, Kraus T, Gube M. Human nasal mucosal C-reactive protein responses after inhalation of ultrafine welding fume particles: positive correlation to systemic C-reactive protein responses. Nanotoxicology 2018; 12:1130-1147. [DOI: 10.1080/17435390.2018.1498930] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- R. Baumann
- Institute for Occupational and Social Medicine, Aachen University of Technology, Aachen, Germany
| | - P. Brand
- Institute for Occupational and Social Medicine, Aachen University of Technology, Aachen, Germany
| | - A. Chaker
- Department of Otorhinolaryngology and Center of Allergy and Environment (ZAUM), Technical University Munich, Munich, Germany
| | - A. Markert
- Institute for Occupational and Social Medicine, Aachen University of Technology, Aachen, Germany
| | - I. Rack
- Institute for Occupational and Social Medicine, Aachen University of Technology, Aachen, Germany
| | - S. Davatgarbenam
- Institute for Occupational and Social Medicine, Aachen University of Technology, Aachen, Germany
| | - S. Joraslafsky
- Institute for Occupational and Social Medicine, Aachen University of Technology, Aachen, Germany
| | - B. Gerhards
- Welding and Joining Institute (ISF), Aachen University of Technology, Aachen, Germany
| | - T. Kraus
- Institute for Occupational and Social Medicine, Aachen University of Technology, Aachen, Germany
| | - M. Gube
- Institute for Occupational and Social Medicine, Aachen University of Technology, Aachen, Germany
- Health Office of the City and Area of Aachen, Aachen, Germany
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Gaum PM, Gube M, Esser A, Schettgen T, Soares Quinete N, Putschoegl FM, Kraus T, Lang J. 59 Polychlorinated biphenyls and depression – first hints for a pathomechanism via the thyroid and dopamine system in humans. Occup Med (Lond) 2018. [DOI: 10.1136/oemed-2018-icohabstracts.1110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Baumann R, Gube M, Markert A, Davatgarbenam S, Kossack V, Gerhards B, Kraus T, Brand P. Systemic serum amyloid A as a biomarker for exposure to zinc and/or copper-containing metal fumes. J Expo Sci Environ Epidemiol 2018; 28:84-91. [PMID: 28176762 DOI: 10.1038/jes.2016.86] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Accepted: 12/06/2016] [Indexed: 06/06/2023]
Abstract
Zinc- and copper-containing welding fumes increase systemic C-reactive protein (CRP). The aim of this study was to investigate the performance of the biomarkers serum amyloid A (SAA) and soluble vascular cell adhesion molecule-1 (VCAM-1) in this regard. Fifteen male subjects were exposed under controlled conditions to welding fumes containing either zinc, or copper, or copper and zinc for 6 h. Plasma samples were collected before, 6 and 24 h after start of exposure and biomarkers therein were measured by electrochemiluminescent assay. For each exposure, systemic concentrations of systemic SAA, but not VCAM-1, increased significantly at 24 h after exposure start compared with baseline ("copper only": P=0.0005, "zinc only": P=0.027, "copper and zinc": P=0.001). SAA showed a wider range of concentrations than did CRP and its levels increased up to 19-fold after welding fume exposure. The recognition of copper as a potential harmful component in welding fumes, also independent from zinc, deserves further consideration. SAA might represent a new sensitive biomarker for potential subclinical sterile inflammation after inhalation of copper- and/or zinc-containing welding fumes. As elevations of CRP and SAA protein have both been linked to a higher risk for cardiovascular disease, these findings might particularly be important for long-term welders.
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Affiliation(s)
- R Baumann
- Institute for Occupational and Social Medicine, Aachen University of Technology, Pauwelsstr, Germany
| | - M Gube
- Institute for Occupational and Social Medicine, Aachen University of Technology, Pauwelsstr, Germany
| | - A Markert
- Institute for Occupational and Social Medicine, Aachen University of Technology, Pauwelsstr, Germany
| | - S Davatgarbenam
- Institute for Occupational and Social Medicine, Aachen University of Technology, Pauwelsstr, Germany
| | - V Kossack
- Institute for Occupational and Social Medicine, Aachen University of Technology, Pauwelsstr, Germany
| | - B Gerhards
- ISF - Welding and Joining Institute, Aachen University of Technology, Pontstraße, Germany
| | - T Kraus
- Institute for Occupational and Social Medicine, Aachen University of Technology, Pauwelsstr, Germany
| | - P Brand
- Institute for Occupational and Social Medicine, Aachen University of Technology, Pauwelsstr, Germany
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Husmann F, Gube M, Felser S, Weippert M, Mau-Moeller A, Bruhn S, Behrens M. P-36 Quadriceps muscle fatigue after 2000-m rowing. Br J Sports Med 2016. [DOI: 10.1136/bjsports-2016-097120.89] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Brand P, Bertram J, Chaker A, Jörres RA, Kronseder A, Kraus T, Gube M. Biological effects of inhaled nitrogen dioxide in healthy human subjects. Int Arch Occup Environ Health 2016; 89:1017-24. [PMID: 27155612 DOI: 10.1007/s00420-016-1139-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Accepted: 04/27/2016] [Indexed: 10/21/2022]
Abstract
PURPOSE Several epidemiological studies indicate that inhaled nitrogen dioxide (NO2) at low concentrations have been statistically associated with adverse health effects. However, these results are not reflected by exposure studies in humans. The aim of the study was to assess the acute functional and cellular responses to different NO2 concentrations in healthy human subjects with various techniques. METHODS Twenty-five subjects were exposed for 3 h to NO2 concentrations 0, 0.1, 0.5, and 1.5 ppm in a randomized crossover study design during 4 consecutive weeks. In each subject, lung function, diffusion capacity and exhaled nitric oxide were measured and inflammation markers were assessed in blood, nasal secretions, induced sputum and exhaled breath condensate. RESULTS From all lung function indices under consideration, only intrathoracic gas volume was borderline significantly increased after 0.5 ppm (p = 0.048) compared to 0.1 ppm NO2. Regarding the cellular effect parameters, the macrophage concentration in induced sputum decreased with increasing NO2 concentration, although these changes were only borderline significant (p = 0.05). CONCLUSION These results do not suggest a considerable acute adverse response in human subjects after 3 h of exposure to NO2 in the NO2 concentration range investigated in this study.
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Affiliation(s)
- P Brand
- Institute for Occupational and Social Medicine, RWTH Aachen University, Aachen, Germany.
| | - J Bertram
- Institute for Occupational and Social Medicine, RWTH Aachen University, Aachen, Germany
| | - A Chaker
- Department of Otolaryngology, Klinikum rechts der Isar and Center of Allergy and Environment (ZAUM), Technische Universität München, Munich, Germany
| | - R A Jörres
- Institute and Outpatient Clinic for Occupational, Social and Environmental Medicine, Ludwig-Maximilians-University, Munich, Germany
| | - A Kronseder
- Institute and Outpatient Clinic for Occupational, Social and Environmental Medicine, Ludwig-Maximilians-University, Munich, Germany
| | - T Kraus
- Institute for Occupational and Social Medicine, RWTH Aachen University, Aachen, Germany
| | - M Gube
- Institute for Occupational and Social Medicine, RWTH Aachen University, Aachen, Germany
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Prieske O, Muehlbauer T, Borde R, Gube M, Bruhn S, Behm DG, Granacher U. Neuromuscular and athletic performance following core strength training in elite youth soccer: Role of instability. Scand J Med Sci Sports 2015; 26:48-56. [DOI: 10.1111/sms.12403] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/06/2014] [Indexed: 01/09/2023]
Affiliation(s)
- O. Prieske
- Division of Training and Movement Sciences; Research Focus Cognition Sciences; University of Potsdam; Potsdam Germany
| | - T. Muehlbauer
- Division of Training and Movement Sciences; Research Focus Cognition Sciences; University of Potsdam; Potsdam Germany
| | - R. Borde
- Division of Training and Movement Sciences; Research Focus Cognition Sciences; University of Potsdam; Potsdam Germany
| | - M. Gube
- Department of Sports Science; University of Rostock; Rostock Germany
| | - S. Bruhn
- Department of Sports Science; University of Rostock; Rostock Germany
| | - D. G. Behm
- School of Human Kinetics and Recreation; Memorial University of Newfoundland; St. John's Newfoundland Canada
| | - U. Granacher
- Division of Training and Movement Sciences; Research Focus Cognition Sciences; University of Potsdam; Potsdam Germany
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Esser A, Gaum PM, Schettgen T, Kraus T, Gube M, Lang J. Effect of occupational polychlorinated biphenyls exposure on quality-adjusted life years over time at the HELPcB surveillance program. J Toxicol Environ Health A 2015; 78:132-150. [PMID: 25424621 DOI: 10.1080/15287394.2014.946165] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
HELPcB (Health Effects in High-Level Exposure to Polychlorinated Biphenyls [PCB]) is a surveillance program for former PCB-exposed workers of a capacitor recycling company and other concerned individuals. The aim of this study was to examine the influence of polychlorinated biphenyls (PCB) on the health-related quality of life (HRQL) and on quality-adjusted life years (QALY). The EQ-5D-3L questionnaire was used to determine the HRQL. After three cross-sectional examinations at intervals of 1 yr, the longitudinal development of QALY was compared by repeated-measurement analysis of covariance (ANCOVA). The cohort was split at the 95th percentile of the comparison group for each PCB congener; known confounders such as age were taken into account. A significant difference in height and development of QALY over time was shown for the higher chlorinated non-dioxin-like PCB (hcPCB) congeners. A significant between-groups effect was found on PCB 153, PCB 180, and the sum of hcPCB. It was found that QALY decreased in the high-burden group and QALY stabilized after yr 2 in the normal-burden group. Taking the dimensions of the EQ-5D into account, the between-groups effect seems to be based predominantly on the dimension anxiety. The development of the within-group effect, however, seems to be based on the dimension mobility. This study detected a significant influence of hcPCB on the development of HRQL and QALYs over time according to the level of internal PCB burden.
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Affiliation(s)
- A Esser
- a Institute for Occupational Medicine and Social Medicine , RWTH Aachen University , Aachen , Germany
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Hartmann L, Bauer M, Bertram J, Gube M, Lenz K, Reisgen U, Schettgen T, Kraus T, Brand P. Assessment of the biological effects of welding fumes emitted from metal inert gas welding processes of aluminium and zinc-plated materials in humans. Int J Hyg Environ Health 2013; 217:160-8. [PMID: 23790592 DOI: 10.1016/j.ijheh.2013.04.008] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [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: 10/11/2012] [Revised: 03/24/2013] [Accepted: 04/16/2013] [Indexed: 10/26/2022]
Abstract
The aim of this study was to investigate biological effects and potential health risks due to two different metal-inert-gas (MIG) welding fumes (MIG welding of aluminium and MIG soldering of zinc coated steel) in healthy humans. In a threefold cross-over design study 12 male subjects were exposed to three different exposure scenarios. Exposures were performed under controlled conditions in the Aachener Workplace Simulation Laboratory (AWSL). On three different days the subjects were either exposed to filtered ambient air, to welding fumes from MIG welding of aluminium, or to fumes from MIG soldering of zinc coated materials. Exposure was performed for 6 h and the average fume concentration was 2.5 mg m(-3). Before, directly after, 1 day after, and 7 days after exposure spirometric and impulse oscillometric measurements were performed, exhaled breath condensate (EBC) was collected and blood samples were taken and analyzed for inflammatory markers. During MIG welding of aluminium high ozone concentrations (up to 250 μg m(-3)) were observed, whereas ozone was negligible for MIG soldering. For MIG soldering, concentrations of high-sensitivity CRP (hsCRP) and factor VIII were significantly increased but remained mostly within the normal range. The concentration of neutrophils increased in tendency. For MIG welding of aluminium, the lung function showed significant decreases in Peak Expiratory Flow (PEF) and Mean Expiratory Flow at 75% vital capacity (MEF 75) 7 days after exposure. The concentration of ristocetin cofactor was increased. The observed increase of hsCRP during MIG-soldering can be understood as an indicator for asymptomatic systemic inflammation probably due to zinc (zinc concentration 1.5 mg m(-3)). The change in lung function observed after MIG welding of aluminium may be attributed to ozone inhalation, although the late response (7 days after exposure) is surprising.
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Affiliation(s)
- L Hartmann
- Institute for Occupational and Social Medicine, RWTH Aachen University, Pauwelsstr. 30, D-52074 Aachen, Germany.
| | - M Bauer
- Institute for Occupational and Social Medicine, RWTH Aachen University, Pauwelsstr. 30, D-52074 Aachen, Germany
| | - J Bertram
- Institute for Occupational and Social Medicine, RWTH Aachen University, Pauwelsstr. 30, D-52074 Aachen, Germany
| | - M Gube
- Institute for Occupational and Social Medicine, RWTH Aachen University, Pauwelsstr. 30, D-52074 Aachen, Germany
| | - K Lenz
- ISF - Welding and Joining Institute, RWTH Aachen University, Pontstraße 49, D-52062 Aachen, Germany
| | - U Reisgen
- ISF - Welding and Joining Institute, RWTH Aachen University, Pontstraße 49, D-52062 Aachen, Germany
| | - T Schettgen
- Institute for Occupational and Social Medicine, RWTH Aachen University, Pauwelsstr. 30, D-52074 Aachen, Germany
| | - T Kraus
- Institute for Occupational and Social Medicine, RWTH Aachen University, Pauwelsstr. 30, D-52074 Aachen, Germany
| | - P Brand
- Institute for Occupational and Social Medicine, RWTH Aachen University, Pauwelsstr. 30, D-52074 Aachen, Germany
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Esser A, Lang J, Gube M, Schettgen T, Kraus T. Verlust an Quality adjusted lifeyears (QALY) nach einer PCB-Exposition von Arbeitern eines Recycling-Betriebes, deren Familienangehörigen und Beschäftigten umliegender Firmen. Dtsch Med Wochenschr 2012. [DOI: 10.1055/s-0032-1323233] [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: 10/27/2022]
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Brand P, Havlicek P, Steiners M, Holzinger K, Reisgen U, Kraus T, Gube M. Exposure of healthy subjects with emissions from a gas metal arc welding process: part 1--exposure technique and external exposure. Int Arch Occup Environ Health 2012; 86:25-30. [PMID: 22311007 DOI: 10.1007/s00420-012-0739-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2011] [Accepted: 01/17/2012] [Indexed: 11/25/2022]
Abstract
BACKGROUND Studies concerning welding fume-related adverse health effects in welders are hampered by the heterogeneity of workplace situations, resulting in complex and non-standardized exposure conditions. METHODS In order to carry out welding fume exposure studies under controlled and standardized conditions, the Aachen Workplace Simulation Laboratory was developed. This laboratory consists of an emission room, in which welding fume is produced, and an exposure room in which human subjects are exposed to these fumes. Both rooms are connected by a ventilation system which allows the welding fume concentration to be regulated. Particle mass concentration was measured with a TEOM microbalance and the particle number-size distribution using a Grimm SMPS device. RESULTS In a study, which is the subject of this paper, it has been shown that welding fume concentration can easily be regulated between 1 and about 3 mg m(-3). The chosen concentration can be kept constant for more than 8 h. However, transport of the particles from the emission room into the exposure room leads to a change in particle size distribution, which is probably due to coagulation of the fraction of smallest particles. CONCLUSION The Aachen Workplace Simulation Laboratory is suitable for controlled exposure studies with human subjects.
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Affiliation(s)
- P Brand
- Institute for Occupational and Social Medicine, Medical Faculty, RWTH Aachen University, Pauwelsstr 30, 52074 Aachen, Germany.
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Gube M, Taeger D, Weber DG, Pesch B, Brand P, Johnen G, Müller-Lux A, Gross IM, Wiethege T, Weber A, Raithel HJ, Kraus T, Brüning T. Performance of biomarkers SMRP, CA125, and CYFRA 21-1 as potential tumor markers for malignant mesothelioma and lung cancer in a cohort of workers formerly exposed to asbestos. Arch Toxicol 2010; 85:185-92. [DOI: 10.1007/s00204-010-0580-2] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2010] [Accepted: 08/12/2010] [Indexed: 12/18/2022]
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Gube M, Heinrich K, Dewes P, Brand P, Kraus T, Schettgen T. Internal exposure of hairdressers to permanent hair dyes: a biomonitoring study using urinary aromatic diamines as biomarkers of exposure. Int Arch Occup Environ Health 2010; 84:287-92. [DOI: 10.1007/s00420-010-0539-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2010] [Accepted: 04/19/2010] [Indexed: 11/30/2022]
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Brand P, Gube M, Kraus T. Spirometrie, Impulsoszillometrie und Capnovolumetrie bei Schweißern. Pneumologie 2009. [DOI: 10.1055/s-0029-1213592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Abstract
To investigate possible effects of injections of tritiated thymidine ([3H]dThd) into pregnant mice or the injection procedure itself on the proliferation of neuronal precursor cells in the fetuses, pregnant mice received intraperitoneal injections of either [3H]dThd or saline on embryonic days 12, 14, and 19, while their offspring remained untreated. A second group of dams was not injected but their male offspring received a subcutaneous injection of again either [3H]dThd or saline on postnatal day 10. Then total numbers of hippocampal pyramidal cells (areas CA1 to CA3) and granular cells (dentate gyrus) were determined stereologically for 20-day-old as well as for 80-day-old male pups. No significant differences were found for the mean total number of pyramidal cells between the investigated groups of pups. However, the mean total number of granular cells was significantly reduced in those groups in which the dams had received an intraperitoneal injection, irrespective of whether [3H]dThd or saline was injected. This revives the repeated warning in the literature to consider the effect of the injection procedure on the developing brain when interpreting possible effects of agents administered during pregnancy.
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Affiliation(s)
- C Schmitz
- Department of Anatomy and Cell Biology, RWTH University Aachen, Germany.
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Haack E, Kaiser F, Gube M, Spingler H. Acetylgitaloxin, ein neues Glykosid aus den Bl�ttern von Digitalis lanata Ehrh. Naturwissenschaften 1958. [DOI: 10.1007/bf00622239] [Citation(s) in RCA: 6] [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: 10/26/2022]
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Haack E, Kaiser F, Gube M, Spingler H. [The chemistry of the Gitalin fraction]. Arzneimittelforschung 1956; 6:176-82. [PMID: 13315092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/22/2023]
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