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Melle C, Hoffmann B, Wiesenburg A, Biskup C. FLIM-FRET-based analysis of S100A11/annexin interactions in living cells. FEBS Open Bio 2024; 14:626-642. [PMID: 38408765 PMCID: PMC10988696 DOI: 10.1002/2211-5463.13782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 02/05/2024] [Accepted: 02/16/2024] [Indexed: 02/28/2024] Open
Abstract
Proteins achieve their biological functions in cells by cooperation in protein complexes. In this study, we employed fluorescence lifetime imaging microscopy (FLIM)-based Förster resonance energy transfer (FRET) measurements to investigate protein complexes comprising S100A11 and different members of the annexin (ANX) family, such as ANXA1, ANXA2, ANXA4, ANXA5, and AnxA6, in living cells. Using an S100A11 mutant without the capacity for Ca2+ binding, we found that Ca2+ binding of S100A11 is important for distinct S100A11/ANXA2 complex formation; however, ANXA1-containing complexes were unaffected by this mutant. An increase in the intracellular calcium concentration induced calcium ionophores, which strengthened the ANXA2/S100A11 interaction. Furthermore, we were able to show that S100A11 also interacts with ANXA4 in living cells. The FLIM-FRET approach used here can serve as a tool to analyze interactions between S100A11 and distinct annexins under physiological conditions in living cells.
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Affiliation(s)
- Christian Melle
- Biomolecular Photonics Group, Jena University HospitalFriedrich Schiller University JenaGermany
| | - Birgit Hoffmann
- Biomolecular Photonics Group, Jena University HospitalFriedrich Schiller University JenaGermany
| | - Annett Wiesenburg
- Biomolecular Photonics Group, Jena University HospitalFriedrich Schiller University JenaGermany
| | - Christoph Biskup
- Biomolecular Photonics Group, Jena University HospitalFriedrich Schiller University JenaGermany
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2
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Boogaard H, Samoli E, Patton AP, Atkinson RW, Brook JR, Chang HH, Hoffmann B, Kutlar Joss M, Sagiv SK, Smargiassi A, Szpiro AA, Vienneau D, Weuve J, Lurmann FW, Forastiere F, Hoek G. Long-term exposure to traffic-related air pollution and non-accidental mortality: A systematic review and meta-analysis. Environ Int 2023; 176:107916. [PMID: 37210806 DOI: 10.1016/j.envint.2023.107916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 04/01/2023] [Accepted: 04/02/2023] [Indexed: 05/23/2023]
Abstract
BACKGROUND The health effects of traffic-related air pollution (TRAP) continue to be of important public health interest across the globe. Following its 2010 review, the Health Effects Institute appointed a new expert Panel to systematically evaluate the epidemiological evidence regarding the associations between long-term exposure to TRAP and selected health outcomes. This paper describes the main findings of the systematic review on non-accidental mortality. METHODS The Panel used a systematic approach to conduct the review. An extensive search was conducted of literature published between 1980 and 2019. A new exposure framework was developed to determine whether a study was sufficiently specific to TRAP, which included studies beyond the near-roadway environment. We performed random-effects meta-analysis when at least three estimates were available of an association between a specific exposure and outcome. We evaluated confidence in the evidence using a modified Office of Health Assessment and Translation (OHAT) approach, supplemented with a broader narrative synthesis. RESULTS Thirty-six cohort studies were included. Virtually all studies adjusted for a large number of individual and area-level covariates-including smoking, body mass index, and individual and area-level socioeconomic status-and were judged at a low or moderate risk for bias. Most studies were conducted in North America and Europe, and a few were based in Asia and Australia. The meta-analytic summary estimates for nitrogen dioxide, elemental carbon and fine particulate matter-pollutants with more than 10 studies-were 1.04 (95% CI 1.01, 1.06), 1.02 (1.00, 1.04) and 1.03 (1.01, 1.05) per 10, 1 and 5 µg/m3, respectively. Effect estimates are interpreted as the relative risk of mortality when the exposure differs with the selected increment. The confidence in the evidence for these pollutants was judged as high, because of upgrades for monotonic exposure-response and consistency across populations. The consistent findings across geographical regions, exposure assessment methods and confounder adjustment resulted in a high confidence rating using a narrative approach as well. CONCLUSIONS The overall confidence in the evidence for a positive association between long-term exposure to TRAP and non-accidental mortality was high.
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Affiliation(s)
- H Boogaard
- Health Effects Institute, Boston, MA, United States.
| | - E Samoli
- Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - A P Patton
- Health Effects Institute, Boston, MA, United States
| | - R W Atkinson
- Population Health Research Institute, St. George's University of London, United Kingdom
| | - J R Brook
- Occupational and Environmental Health Division, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - H H Chang
- Department of Biostatistics and Bioinformatics, Rollins School of Public Health, Emory University, Atlanta, GA, United States
| | - B Hoffmann
- Institute for Occupational, Social and Environmental Medicine, Centre for Health and Society, Medical Faculty, University of Düsseldorf, Düsseldorf, Germany
| | - M Kutlar Joss
- Institute for Occupational, Social and Environmental Medicine, Centre for Health and Society, Medical Faculty, University of Düsseldorf, Düsseldorf, Germany; Swiss Tropical and Public Health Institute, Allschwill, Switzerland; University of Basel, Switzerland
| | - S K Sagiv
- Center for Environmental Research and Children's Health, Division of Epidemiology, University of California Berkeley School of Public Health, Berkeley, CA, United States
| | - A Smargiassi
- Department of Environmental and Occupational Health, School of Public Health, University of Montreal, QC, Canada
| | - A A Szpiro
- Department of Biostatistics, University of Washington, Seattle, WA, United States
| | - D Vienneau
- Swiss Tropical and Public Health Institute, Allschwill, Switzerland; University of Basel, Switzerland
| | - J Weuve
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, United States
| | - F W Lurmann
- Sonoma Technology, Inc., Petaluma, CA, United States
| | - F Forastiere
- Environmental Research Group, School of Public Health, Imperial College, London, United Kingdom
| | - G Hoek
- Institute for Risk Assessment Sciences, Environmental Epidemiology, Utrecht University, Netherlands
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Haddad P, Kutlar Joss M, Weuve J, Vienneau D, Atkinson R, Brook J, Chang H, Forastiere F, Hoek G, Kappeler R, Lurmann F, Sagiv S, Samoli E, Smargiassi A, Szpiro A, Patton AP, Boogaard H, Hoffmann B. Long-term exposure to traffic-related air pollution and stroke: A systematic review and meta-analysis. Int J Hyg Environ Health 2023; 247:114079. [PMID: 36446272 DOI: 10.1016/j.ijheh.2022.114079] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [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: 09/15/2022] [Revised: 11/10/2022] [Accepted: 11/23/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Stroke remains the second cause of death worldwide. The mechanisms underlying the adverse association of exposure to traffic-related air pollution (TRAP) with overall cardiovascular disease may also apply to stroke. Our objective was to systematically evaluate the epidemiological evidence regarding the associations of long-term exposure to TRAP with stroke. METHODS PubMed and LUDOK electronic databases were searched systematically for observational epidemiological studies from 1980 through 2019 on long-term exposure to TRAP and stroke with an update in January 2022. TRAP was defined according to a comprehensive protocol based on pollutant and exposure assessment methods or proximity metrics. Study selection, data extraction, risk of bias (RoB) and confidence assessments were conducted according to standardized protocols. We performed meta-analyses using random effects models; sensitivity analyses were assessed by geographic area, RoB, fatality, traffic specificity and new studies. RESULTS Nineteen studies were included. The meta-analytic relative risks (and 95% confidence intervals) were: 1.03 (0.98-1.09) per 1 μg/m3 EC, 1.09 (0.96-1.23) per 10 μg/m3 PM10, 1.08 (0.89-1.32) per 5 μg/m3 PM2.5, 0.98 (0.92; 1.05) per 10 μg/m3 NO2 and 0.99 (0.94; 1.04) per 20 μg/m3 NOx with little to moderate heterogeneity based on 6, 5, 4, 7 and 8 studies, respectively. The confidence assessments regarding the quality of the body of evidence and separately regarding the presence of an association of TRAP with stroke considering all available evidence were rated low and moderate, respectively. CONCLUSION The available literature provides low to moderate evidence for an association of TRAP with stroke.
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Affiliation(s)
- P Haddad
- Institute for Occupational, Social and Environmental Medicine, Centre for Health and Society, Medical Faculty, University of Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany.
| | - M Kutlar Joss
- Institute for Occupational, Social and Environmental Medicine, Centre for Health and Society, Medical Faculty, University of Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany; Swiss Tropical and Public Health Institute, Kreuzstrasse 2, 4123, Allschwil, Switzerland; University of Basel, Petersplatz 1, 4001, Basel, Switzerland
| | - J Weuve
- Department of Epidemiology, Boston University School of Public Health, 715 Albany St, Boston, MA, 02118, USA
| | - D Vienneau
- Swiss Tropical and Public Health Institute, Kreuzstrasse 2, 4123, Allschwil, Switzerland; University of Basel, Petersplatz 1, 4001, Basel, Switzerland
| | - R Atkinson
- Epidemiology, Population Health Research Institute and MRC-PHE Centre for Environment and Health, St. George's, University of London, Cranmer Terrace, London, SW17 0RE, UK
| | - J Brook
- Occupational and Environmental Health Division, Dalla Lana School of Public Health, University of Toronto, 155 College St Room 500, Toronto, ON M5T 3M7, Canada
| | - H Chang
- Department of Biostatistics and Bioinformatics, Rollins School of Public Health, Emory University, 1518 Clifton Rd, Atlanta, GA, 30322, USA
| | - F Forastiere
- School of Public Health, Faculty of Medicine, Imperial College, Level 2, Faculty Building South Kensington Campus, London, SW7 2AZ, UK
| | - G Hoek
- Institute for Risk Assessment Sciences, Environmental Epidemiology, Utrecht University, Yalelaan 1, 3584 CL, Utrecht, the Netherlands
| | - R Kappeler
- Swiss Tropical and Public Health Institute, Kreuzstrasse 2, 4123, Allschwil, Switzerland; University of Basel, Petersplatz 1, 4001, Basel, Switzerland
| | - F Lurmann
- Sonoma Technology, Inc, 1450 N McDowell Blvd #200, Petaluma, CA, 94954, USA
| | - S Sagiv
- Center for Environmental Research and Children's Health, Division of Epidemiology, University of California Berkeley School of Public Health, 2121 Berkeley Way, Berkeley, CA, 94704, USA
| | - E Samoli
- Dept. of Hygiene, Epidemiology and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Mikras Asias 75, Athina, 115 27, Greece
| | - A Smargiassi
- Department of Environmental and Occupational Health, School of Public Health, University of Montreal, 7101 Park Ave, Montreal, Quebec, H3N 1X9, Canada
| | - A Szpiro
- Department of Biostatistics, University of Washington, Hans Rosling Center for Population Health, 3980 15th Avenue NE, Box 351617, Seattle, WA, 98195-1617, USA
| | - A P Patton
- Health Effects Institute, 75 Federal suite UNIT 1400, Boston, MA, 02110, USA
| | - H Boogaard
- Health Effects Institute, 75 Federal suite UNIT 1400, Boston, MA, 02110, USA
| | - B Hoffmann
- Institute for Occupational, Social and Environmental Medicine, Centre for Health and Society, Medical Faculty, University of Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
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Rübsam M, Püllen R, Telkamp F, Bianco A, Pescoller M, Bloch W, Green K, Merkel R, Hoffmann B, Wickström S, Niessen C. 185 aPKC is a rheostat that controls basal junctional dynamics and suprabasal cytoskeletal organization essential for epidermal dynamics and integrity. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.09.196] [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: 11/19/2022]
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Sri-Ranjan K, Sanchez-Alonso JL, Swiatlowska P, Rothery S, Novak P, Gerlach S, Koeninger D, Hoffmann B, Merkel R, Stevens MM, Sun SX, Gorelik J, Braga VMM. Intrinsic cell rheology drives junction maturation. Nat Commun 2022; 13:4832. [PMID: 35977954 PMCID: PMC9385638 DOI: 10.1038/s41467-022-32102-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 07/15/2022] [Indexed: 12/02/2022] Open
Abstract
A fundamental property of higher eukaryotes that underpins their evolutionary success is stable cell-cell cohesion. Yet, how intrinsic cell rheology and stiffness contributes to junction stabilization and maturation is poorly understood. We demonstrate that localized modulation of cell rheology governs the transition of a slack, undulated cell-cell contact (weak adhesion) to a mature, straight junction (optimal adhesion). Cell pairs confined on different geometries have heterogeneous elasticity maps and control their own intrinsic rheology co-ordinately. More compliant cell pairs grown on circles have slack contacts, while stiffer triangular cell pairs favour straight junctions with flanking contractile thin bundles. Counter-intuitively, straighter cell-cell contacts have reduced receptor density and less dynamic junctional actin, suggesting an unusual adaptive mechano-response to stabilize cell-cell adhesion. Our modelling informs that slack junctions arise from failure of circular cell pairs to increase their own intrinsic stiffness and resist the pressures from the neighbouring cell. The inability to form a straight junction can be reversed by increasing mechanical stress artificially on stiffer substrates. Our data inform on the minimal intrinsic rheology to generate a mature junction and provide a springboard towards understanding elements governing tissue-level mechanics.
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Affiliation(s)
- K Sri-Ranjan
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - J L Sanchez-Alonso
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - P Swiatlowska
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - S Rothery
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - P Novak
- School of Engineering and Materials Science, Queen Mary University, London, UK
| | - S Gerlach
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Julich, Germany
| | - D Koeninger
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Julich, Germany
| | - B Hoffmann
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Julich, Germany
| | - R Merkel
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Julich, Germany
| | - M M Stevens
- Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering Imperial College London, London, UK
| | - S X Sun
- Department of Mechanical Engineering and Institute of NanoBioTechnology, Johns Hopkins University, Baltimore Maryland, USA
| | - J Gorelik
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK.
| | - Vania M M Braga
- National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK.
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Proietti M, Romiti GF, Vitolo M, Harrison SL, Lane DA, Fauchier L, Marin F, Näbauer M, Potpara TS, Dan GA, Maggioni AP, Cesari M, Boriani G, Lip GYH, Ekmekçiu U, Paparisto V, Tase M, Gjergo H, Dragoti J, Goda A, Ciutea M, Ahadi N, el Husseini Z, Raepers M, Leroy J, Haushan P, Jourdan A, Lepiece C, Desteghe L, Vijgen J, Koopman P, Van Genechten G, Heidbuchel H, Boussy T, De Coninck M, Van Eeckhoutte H, Bouckaert N, Friart A, Boreux J, Arend C, Evrard P, Stefan L, Hoffer E, Herzet J, Massoz M, Celentano C, Sprynger M, Pierard L, Melon P, Van Hauwaert B, Kuppens C, Faes D, Van Lier D, Van Dorpe A, Gerardy A, Deceuninck O, Xhaet O, Dormal F, Ballant E, Blommaert D, Yakova D, Hristov M, Yncheva T, Stancheva N, Tisheva S, Tokmakova M, Nikolov F, Gencheva D, Shalganov T, Kunev B, Stoyanov M, Marchov D, Gelev V, Traykov V, Kisheva A, Tsvyatkov H, Shtereva R, Bakalska-Georgieva S, Slavcheva S, Yotov Y, Kubíčková M, Marni Joensen A, Gammelmark A, Hvilsted Rasmussen L, Dinesen P, Riahi S, Krogh Venø S, Sorensen B, Korsgaard A, Andersen K, Fragtrup Hellum C, Svenningsen A, Nyvad O, Wiggers P, May O, Aarup A, Graversen B, Jensen L, Andersen M, Svejgaard M, Vester S, Hansen S, Lynggaard V, Ciudad M, Vettus R, Muda P, Maestre A, Castaño S, Cheggour S, Poulard J, Mouquet V, Leparrée S, Bouet J, Taieb J, Doucy A, Duquenne H, Furber A, Dupuis J, Rautureau J, Font M, Damiano P, Lacrimini M, Abalea J, Boismal S, Menez T, Mansourati J, Range G, Gorka H, Laure C, Vassalière C, Elbaz N, Lellouche N, Djouadi K, Roubille F, Dietz D, Davy J, Granier M, Winum P, Leperchois-Jacquey C, Kassim H, Marijon E, Le Heuzey J, Fedida J, Maupain C, Himbert C, Gandjbakhch E, Hidden-Lucet F, Duthoit G, Badenco N, Chastre T, Waintraub X, Oudihat M, Lacoste J, Stephan C, Bader H, Delarche N, Giry L, Arnaud D, Lopez C, Boury F, Brunello I, Lefèvre M, Mingam R, Haissaguerre M, Le Bidan M, Pavin D, Le Moal V, Leclercq C, Piot O, Beitar T, Martel I, Schmid A, Sadki N, Romeyer-Bouchard C, Da Costa A, Arnault I, Boyer M, Piat C, Fauchier L, Lozance N, Nastevska S, Doneva A, Fortomaroska Milevska B, Sheshoski B, Petroska K, Taneska N, Bakrecheski N, Lazarovska K, Jovevska S, Ristovski V, Antovski A, Lazarova E, Kotlar I, Taleski J, Poposka L, Kedev S, Zlatanovik N, Jordanova S, Bajraktarova Proseva T, Doncovska S, Maisuradze D, Esakia A, Sagirashvili E, Lartsuliani K, Natelashvili N, Gumberidze N, Gvenetadze R, Etsadashvili K, Gotonelia N, Kuridze N, Papiashvili G, Menabde I, Glöggler S, Napp A, Lebherz C, Romero H, Schmitz K, Berger M, Zink M, Köster S, Sachse J, Vonderhagen E, Soiron G, Mischke K, Reith R, Schneider M, Rieker W, Boscher D, Taschareck A, Beer A, Oster D, Ritter O, Adamczewski J, Walter S, Frommhold A, Luckner E, Richter J, Schellner M, Landgraf S, Bartholome S, Naumann R, Schoeler J, Westermeier D, William F, Wilhelm K, Maerkl M, Oekinghaus R, Denart M, Kriete M, Tebbe U, Scheibner T, Gruber M, Gerlach A, Beckendorf C, Anneken L, Arnold M, Lengerer S, Bal Z, Uecker C, Förtsch H, Fechner S, Mages V, Martens E, Methe H, Schmidt T, Schaeffer B, Hoffmann B, Moser J, Heitmann K, Willems S, Willems S, Klaus C, Lange I, Durak M, Esen E, Mibach F, Mibach H, Utech A, Gabelmann M, Stumm R, Ländle V, Gartner C, Goerg C, Kaul N, Messer S, Burkhardt D, Sander C, Orthen R, Kaes S, Baumer A, Dodos F, Barth A, Schaeffer G, Gaertner J, Winkler J, Fahrig A, Aring J, Wenzel I, Steiner S, Kliesch A, Kratz E, Winter K, Schneider P, Haag A, Mutscher I, Bosch R, Taggeselle J, Meixner S, Schnabel A, Shamalla A, Hötz H, Korinth A, Rheinert C, Mehltretter G, Schön B, Schön N, Starflinger A, Englmann E, Baytok G, Laschinger T, Ritscher G, Gerth A, Dechering D, Eckardt L, Kuhlmann M, Proskynitopoulos N, Brunn J, Foth K, Axthelm C, Hohensee H, Eberhard K, Turbanisch S, Hassler N, Koestler A, Stenzel G, Kschiwan D, Schwefer M, Neiner S, Hettwer S, Haeussler-Schuchardt M, Degenhardt R, Sennhenn S, Steiner S, Brendel M, Stoehr A, Widjaja W, Loehndorf S, Logemann A, Hoskamp J, Grundt J, Block M, Ulrych R, Reithmeier A, Panagopoulos V, Martignani C, Bernucci D, Fantecchi E, Diemberger I, Ziacchi M, Biffi M, Cimaglia P, Frisoni J, Boriani G, Giannini I, Boni S, Fumagalli S, Pupo S, Di Chiara A, Mirone P, Fantecchi E, Boriani G, Pesce F, Zoccali C, Malavasi VL, Mussagaliyeva A, Ahyt B, Salihova Z, Koshum-Bayeva K, Kerimkulova A, Bairamukova A, Mirrakhimov E, Lurina B, Zuzans R, Jegere S, Mintale I, Kupics K, Jubele K, Erglis A, Kalejs O, Vanhear K, Burg M, Cachia M, Abela E, Warwicker S, Tabone T, Xuereb R, Asanovic D, Drakalovic D, Vukmirovic M, Pavlovic N, Music L, Bulatovic N, Boskovic A, Uiterwaal H, Bijsterveld N, De Groot J, Neefs J, van den Berg N, Piersma F, Wilde A, Hagens V, Van Es J, Van Opstal J, Van Rennes B, Verheij H, Breukers W, Tjeerdsma G, Nijmeijer R, Wegink D, Binnema R, Said S, Erküner Ö, Philippens S, van Doorn W, Crijns H, Szili-Torok T, Bhagwandien R, Janse P, Muskens A, van Eck M, Gevers R, van der Ven N, Duygun A, Rahel B, Meeder J, Vold A, Holst Hansen C, Engset I, Atar D, Dyduch-Fejklowicz B, Koba E, Cichocka M, Sokal A, Kubicius A, Pruchniewicz E, Kowalik-Sztylc A, Czapla W, Mróz I, Kozlowski M, Pawlowski T, Tendera M, Winiarska-Filipek A, Fidyk A, Slowikowski A, Haberka M, Lachor-Broda M, Biedron M, Gasior Z, Kołodziej M, Janion M, Gorczyca-Michta I, Wozakowska-Kaplon B, Stasiak M, Jakubowski P, Ciurus T, Drozdz J, Simiera M, Zajac P, Wcislo T, Zycinski P, Kasprzak J, Olejnik A, Harc-Dyl E, Miarka J, Pasieka M, Ziemińska-Łuć M, Bujak W, Śliwiński A, Grech A, Morka J, Petrykowska K, Prasał M, Hordyński G, Feusette P, Lipski P, Wester A, Streb W, Romanek J, Woźniak P, Chlebuś M, Szafarz P, Stanik W, Zakrzewski M, Kaźmierczak J, Przybylska A, Skorek E, Błaszczyk H, Stępień M, Szabowski S, Krysiak W, Szymańska M, Karasiński J, Blicharz J, Skura M, Hałas K, Michalczyk L, Orski Z, Krzyżanowski K, Skrobowski A, Zieliński L, Tomaszewska-Kiecana M, Dłużniewski M, Kiliszek M, Peller M, Budnik M, Balsam P, Opolski G, Tymińska A, Ozierański K, Wancerz A, Borowiec A, Majos E, Dabrowski R, Szwed H, Musialik-Lydka A, Leopold-Jadczyk A, Jedrzejczyk-Patej E, Koziel M, Lenarczyk R, Mazurek M, Kalarus Z, Krzemien-Wolska K, Starosta P, Nowalany-Kozielska E, Orzechowska A, Szpot M, Staszel M, Almeida S, Pereira H, Brandão Alves L, Miranda R, Ribeiro L, Costa F, Morgado F, Carmo P, Galvao Santos P, Bernardo R, Adragão P, Ferreira da Silva G, Peres M, Alves M, Leal M, Cordeiro A, Magalhães P, Fontes P, Leão S, Delgado A, Costa A, Marmelo B, Rodrigues B, Moreira D, Santos J, Santos L, Terchet A, Darabantiu D, Mercea S, Turcin Halka V, Pop Moldovan A, Gabor A, Doka B, Catanescu G, Rus H, Oboroceanu L, Bobescu E, Popescu R, Dan A, Buzea A, Daha I, Dan G, Neuhoff I, Baluta M, Ploesteanu R, Dumitrache N, Vintila M, Daraban A, Japie C, Badila E, Tewelde H, Hostiuc M, Frunza S, Tintea E, Bartos D, Ciobanu A, Popescu I, Toma N, Gherghinescu C, Cretu D, Patrascu N, Stoicescu C, Udroiu C, Bicescu G, Vintila V, Vinereanu D, Cinteza M, Rimbas R, Grecu M, Cozma A, Boros F, Ille M, Tica O, Tor R, Corina A, Jeewooth A, Maria B, Georgiana C, Natalia C, Alin D, Dinu-Andrei D, Livia M, Daniela R, Larisa R, Umaar S, Tamara T, Ioachim Popescu M, Nistor D, Sus I, Coborosanu O, Alina-Ramona N, Dan R, Petrescu L, Ionescu G, Popescu I, Vacarescu C, Goanta E, Mangea M, Ionac A, Mornos C, Cozma D, Pescariu S, Solodovnicova E, Soldatova I, Shutova J, Tjuleneva L, Zubova T, Uskov V, Obukhov D, Rusanova G, Soldatova I, Isakova N, Odinsova S, Arhipova T, Kazakevich E, Serdechnaya E, Zavyalova O, Novikova T, Riabaia I, Zhigalov S, Drozdova E, Luchkina I, Monogarova Y, Hegya D, Rodionova L, Rodionova L, Nevzorova V, Soldatova I, Lusanova O, Arandjelovic A, Toncev D, Milanov M, Sekularac N, Zdravkovic M, Hinic S, Dimkovic S, Acimovic T, Saric J, Polovina M, Potpara T, Vujisic-Tesic B, Nedeljkovic M, Zlatar M, Asanin M, Vasic V, Popovic Z, Djikic D, Sipic M, Peric V, Dejanovic B, Milosevic N, Stevanovic A, Andric A, Pencic B, Pavlovic-Kleut M, Celic V, Pavlovic M, Petrovic M, Vuleta M, Petrovic N, Simovic S, Savovic Z, Milanov S, Davidovic G, Iric-Cupic V, Simonovic D, Stojanovic M, Stojanovic S, Mitic V, Ilic V, Petrovic D, Deljanin Ilic M, Ilic S, Stoickov V, Markovic S, Kovacevic S, García Fernandez A, Perez Cabeza A, Anguita M, Tercedor Sanchez L, Mau E, Loayssa J, Ayarra M, Carpintero M, Roldán Rabadan I, Leal M, Gil Ortega M, Tello Montoliu A, Orenes Piñero E, Manzano Fernández S, Marín F, Romero Aniorte A, Veliz Martínez A, Quintana Giner M, Ballesteros G, Palacio M, Alcalde O, García-Bolao I, Bertomeu Gonzalez V, Otero-Raviña F, García Seara J, Gonzalez Juanatey J, Dayal N, Maziarski P, Gentil-Baron P, Shah D, Koç M, Onrat E, Dural IE, Yilmaz K, Özin B, Tan Kurklu S, Atmaca Y, Canpolat U, Tokgozoglu L, Dolu AK, Demirtas B, Sahin D, Ozcan Celebi O, Diker E, Gagirci G, Turk UO, Ari H, Polat N, Toprak N, Sucu M, Akin Serdar O, Taha Alper A, Kepez A, Yuksel Y, Uzunselvi A, Yuksel S, Sahin M, Kayapinar O, Ozcan T, Kaya H, Yilmaz MB, Kutlu M, Demir M, Gibbs C, Kaminskiene S, Bryce M, Skinner A, Belcher G, Hunt J, Stancombe L, Holbrook B, Peters C, Tettersell S, Shantsila A, Lane D, Senoo K, Proietti M, Russell K, Domingos P, Hussain S, Partridge J, Haynes R, Bahadur S, Brown R, McMahon S, Y H Lip G, McDonald J, Balachandran K, Singh R, Garg S, Desai H, Davies K, Goddard W, Galasko G, Rahman I, Chua Y, Payne O, Preston S, Brennan O, Pedley L, Whiteside C, Dickinson C, Brown J, Jones K, Benham L, Brady R, Buchanan L, Ashton A, Crowther H, Fairlamb H, Thornthwaite S, Relph C, McSkeane A, Poultney U, Kelsall N, Rice P, Wilson T, Wrigley M, Kaba R, Patel T, Young E, Law J, Runnett C, Thomas H, McKie H, Fuller J, Pick S, Sharp A, Hunt A, Thorpe K, Hardman C, Cusack E, Adams L, Hough M, Keenan S, Bowring A, Watts J, Zaman J, Goffin K, Nutt H, Beerachee Y, Featherstone J, Mills C, Pearson J, Stephenson L, Grant S, Wilson A, Hawksworth C, Alam I, Robinson M, Ryan S, Egdell R, Gibson E, Holland M, Leonard D, Mishra B, Ahmad S, Randall H, Hill J, Reid L, George M, McKinley S, Brockway L, Milligan W, Sobolewska J, Muir J, Tuckis L, Winstanley L, Jacob P, Kaye S, Morby L, Jan A, Sewell T, Boos C, Wadams B, Cope C, Jefferey P, Andrews N, Getty A, Suttling A, Turner C, Hudson K, Austin R, Howe S, Iqbal R, Gandhi N, Brophy K, Mirza P, Willard E, Collins S, Ndlovu N, Subkovas E, Karthikeyan V, Waggett L, Wood A, Bolger A, Stockport J, Evans L, Harman E, Starling J, Williams L, Saul V, Sinha M, Bell L, Tudgay S, Kemp S, Brown J, Frost L, Ingram T, Loughlin A, Adams C, Adams M, Hurford F, Owen C, Miller C, Donaldson D, Tivenan H, Button H, Nasser A, Jhagra O, Stidolph B, Brown C, Livingstone C, Duffy M, Madgwick P, Roberts P, Greenwood E, Fletcher L, Beveridge M, Earles S, McKenzie D, Beacock D, Dayer M, Seddon M, Greenwell D, Luxton F, Venn F, Mills H, Rewbury J, James K, Roberts K, Tonks L, Felmeden D, Taggu W, Summerhayes A, Hughes D, Sutton J, Felmeden L, Khan M, Walker E, Norris L, O’Donohoe L, Mozid A, Dymond H, Lloyd-Jones H, Saunders G, Simmons D, Coles D, Cotterill D, Beech S, Kidd S, Wrigley B, Petkar S, Smallwood A, Jones R, Radford E, Milgate S, Metherell S, Cottam V, Buckley C, Broadley A, Wood D, Allison J, Rennie K, Balian L, Howard L, Pippard L, Board S, Pitt-Kerby T. Epidemiology and impact of frailty in patients with atrial fibrillation in Europe. Age Ageing 2022; 51:6670566. [PMID: 35997262 DOI: 10.1093/ageing/afac192] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [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: 03/17/2022] [Revised: 06/08/2022] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Frailty is a medical syndrome characterised by reduced physiological reserve and increased vulnerability to stressors. Data regarding the relationship between frailty and atrial fibrillation (AF) are still inconsistent. OBJECTIVES We aim to perform a comprehensive evaluation of frailty in a large European cohort of AF patients. METHODS A 40-item frailty index (FI) was built according to the accumulation of deficits model in the AF patients enrolled in the ESC-EHRA EORP-AF General Long-Term Registry. Association of baseline characteristics, clinical management, quality of life, healthcare resources use and risk of outcomes with frailty was examined. RESULTS Among 10,177 patients [mean age (standard deviation) 69.0 (11.4) years, 4,103 (40.3%) females], 6,066 (59.6%) were pre-frail and 2,172 (21.3%) were frail, whereas only 1,939 (19.1%) were considered robust. Baseline thromboembolic and bleeding risks were independently associated with increasing FI. Frail patients with AF were less likely to be treated with oral anticoagulants (OACs) (odds ratio 0.70, 95% confidence interval 0.55-0.89), especially with non-vitamin K antagonist OACs and managed with a rhythm control strategy, compared with robust patients. Increasing frailty was associated with a higher risk for all outcomes examined, with a non-linear exponential relationship. The use of OAC was associated with a lower risk of outcomes, except in patients with very/extremely high frailty. CONCLUSIONS In this large cohort of AF patients, there was a high burden of frailty, influencing clinical management and risk of adverse outcomes. The clinical benefit of OAC is maintained in patients with high frailty, but not in very high/extremely frail ones.
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Affiliation(s)
- Marco Proietti
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.,Geriatric Unit, IRCCS Istituti Clinici Scientifici Maugeri, Milan, Italy
| | - Giulio Francesco Romiti
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Translational and Precision Medicine, Sapienza - University of Rome, Italy
| | - Marco Vitolo
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy.,Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Modena, Italy
| | - Stephanie L Harrison
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK
| | - Deirdre A Lane
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Laurent Fauchier
- Service de Cardiologie, Centre Hospitalier Universitaire Trousseau, Tours, France
| | - Francisco Marin
- Department of Cardiology, Hospital Universitario Virgen de la Arrixaca, IMIB-Arrixaca, University of Murcia, CIBER-CV, Murcia, Spain
| | - Michael Näbauer
- Department of Cardiology, Ludwig-Maximilians-University, Munich, Germany
| | - Tatjana S Potpara
- School of Medicine, University of Belgrade, Belgrade, Serbia.,Clinical Center of Serbia, Belgrade, Serbia
| | - Gheorghe-Andrei Dan
- University of Medicine, 'Carol Davila', Colentina University Hospital, Bucharest, Romania
| | - Aldo P Maggioni
- ANMCO Research Center, Heart Care Foundation, Florence, Italy
| | - Matteo Cesari
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.,Geriatric Unit, IRCCS Istituti Clinici Scientifici Maugeri, Milan, Italy
| | - Giuseppe Boriani
- Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy
| | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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Boogaard H, Patton AP, Atkinson RW, Brook JR, Chang HH, Crouse DL, Fussell JC, Hoek G, Hoffmann B, Kappeler R, Kutlar Joss M, Ondras M, Sagiv SK, Samoli E, Shaikh R, Smargiassi A, Szpiro AA, Van Vliet EDS, Vienneau D, Weuve J, Lurmann FW, Forastiere F. Long-term exposure to traffic-related air pollution and selected health outcomes: A systematic review and meta-analysis. Environ Int 2022; 164:107262. [PMID: 35569389 DOI: 10.1016/j.envint.2022.107262] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 04/08/2022] [Accepted: 04/20/2022] [Indexed: 05/26/2023]
Abstract
The health effects of traffic-related air pollution (TRAP) continue to be of important public health interest. Following its well-cited 2010 critical review, the Health Effects Institute (HEI) appointed a new expert Panel to systematically evaluate the epidemiological evidence regarding the associations between long-term exposure to TRAP and selected adverse health outcomes. Health outcomes were selected based on evidence of causality for general air pollution (broader than TRAP) cited in authoritative reviews, relevance for public health and policy, and resources available. The Panel used a systematic approach to search the literature, select studies for inclusion in the review, assess study quality, summarize results, and reach conclusions about the confidence in the evidence. An extensive search was conducted of literature published between January 1980 and July 2019 on selected health outcomes. A new exposure framework was developed to determine whether a study was sufficiently specific to TRAP. In total, 353 studies were included in the review. Respiratory effects in children (118 studies) and birth outcomes (86 studies) were the most commonly studied outcomes. Fewer studies investigated cardiometabolic effects (57 studies), respiratory effects in adults (50 studies), and mortality (48 studies). The findings from the systematic review, meta-analyses, and evaluation of the quality of the studies and potential biases provided an overall high or moderate-to-high level of confidence in an association between long-term exposure to TRAP and the adverse health outcomes all-cause, circulatory, ischemic heart disease and lung cancer mortality, asthma onsetin chilldren and adults, and acute lower respiratory infections in children. The evidence was considered moderate, low or very low for the other selected outcomes. In light of the large number of people exposed to TRAP - both in and beyond the near-road environment - the Panel concluded that the overall high or moderate-to-high confidence in the evidence for an association between long-term exposure to TRAP and several adverse health outcomes indicates that exposures to TRAP remain an important public health concern and deserve greater attention from the public and from policymakers.
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Affiliation(s)
- H Boogaard
- Health Effects Institute, Boston, MA, United States.
| | - A P Patton
- Health Effects Institute, Boston, MA, United States
| | - R W Atkinson
- Epidemiology, Population Health Research Institute and MRC-PHE Centre for Environment and Health, St. George's, University of London, London, United Kingdom
| | - J R Brook
- Occupational and Environmental Health Division, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - H H Chang
- Department of Biostatistics and Bioinformatics, Rollins School of Public Health, Emory University, Atlanta, GA, United States
| | - D L Crouse
- Health Effects Institute, Boston, MA, United States
| | - J C Fussell
- School of Public Health, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - G Hoek
- Institute for Risk Assessment Sciences, Environmental Epidemiology, Utrecht University, Utrecht, the Netherlands
| | - B Hoffmann
- Institute for Occupational, Social and Environmental Medicine, Centre for Health and Society, Medical Faculty, University of Düsseldorf, Düsseldorf, Germany
| | - R Kappeler
- Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland
| | - M Kutlar Joss
- Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland
| | - M Ondras
- Health Effects Institute, Boston, MA, United States
| | - S K Sagiv
- Center for Environmental Research and Children's Health, Division of Epidemiology, University of California Berkeley School of Public Health, Berkeley, CA, United States
| | - E Samoli
- Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - R Shaikh
- Health Effects Institute, Boston, MA, United States
| | - A Smargiassi
- Department of Environmental and Occupational Health, School of Public Health, University of Montreal, Montreal, QC, Canada
| | - A A Szpiro
- Department of Biostatistics, University of Washington, Seattle, WA, United States
| | | | - D Vienneau
- Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland
| | - J Weuve
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, United States
| | - F W Lurmann
- Sonoma Technology, Inc, Petaluma, CA, United States
| | - F Forastiere
- School of Public Health, Faculty of Medicine, Imperial College London, London, United Kingdom
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8
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Hanke T, Hoffmann B, Lass M, Hess A, Reppel M, Stahl F, Pillay T, Neves P. LIVE Procedure - A Bespoke Technique for Ischemic Heart Failure. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1131] [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: 10/18/2022] Open
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9
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Hoffmann B, Erwood K, Ncomanzi S, Fischer V, O'Brien D, Lee A. Management strategies for adult patients with dental anxiety in the dental clinic: a systematic review. Aust Dent J 2022; 67 Suppl 1:S3-S13. [PMID: 35735746 PMCID: PMC9796536 DOI: 10.1111/adj.12926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/15/2022] [Indexed: 01/01/2023]
Abstract
Anxiety is an adaptive emotional response to potentially threatening or dangerous situations; moderated by the sympathetic nervous system. Dental anxiety is common and presents before, during or after dental treatment. The physiological response includes an increase in heart rate, blood pressure, respiratory rate, and cardiac output. Consequently, extensive distress leads to avoidance of dental treatment and multiple failed appointments, impacting both oral and general health. Dental anxiety can generate a variety of negative consequences for both the dentist and the patient. Evidence-based strategies are essential for mitigating and relieving anxiety in the dental clinic. Psychotherapeutic behavioural strategies can modify the patient's experience through a minimally invasive approach with nil or negligible side effects, depending on patient characteristics, anxiety level and clinical situations. These therapies involve muscle relaxation, guided imagery, physiological monitoring, utilizing biofeedback, hypnosis, acupuncture, distraction and desensitization. Pharmacological intervention utilizes either relative analgesia (nitrous oxide), conscious intravenous sedation or oral sedation, which can have undesirable side effects, risks and contraindications. These modalities increase the cost and availability of dental treatment.
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Affiliation(s)
- B Hoffmann
- College of Medicine & DentistryJames Cook UniversitySmithfieldQueenslandAustralia
| | - K Erwood
- College of Medicine & DentistryJames Cook UniversitySmithfieldQueenslandAustralia
| | - S Ncomanzi
- College of Medicine & DentistryJames Cook UniversitySmithfieldQueenslandAustralia
| | - V Fischer
- College of Medicine & DentistryJames Cook UniversitySmithfieldQueenslandAustralia
| | - D O'Brien
- College of Medicine & DentistryJames Cook UniversitySmithfieldQueenslandAustralia
| | - A Lee
- Special Needs Specialist DentistWestmead Centre for Oral HealthWestmeadNew South WalesAustralia
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10
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Schulz H, Karrasch S, Bölke G, Cyrys J, Hornberg C, Pickford R, Schneider A, Witt C, Hoffmann B. [Breathing: Ambient Air Pollution and Health - Part III]. Pneumologie 2019; 73:407-429. [PMID: 31291669 DOI: 10.1055/a-0920-6423] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
The third part of the DGP statement introduces the current body of knowledge on less studied health outcomes associated with exposure to ambient air pollution: the negative impact on metabolism leading to impaired glucose tolerance and diabetes as well as contribution to the development of neurodegenerative disorders and delayed cognitive function in children. Furthermore, prenatal exposure and adverse effects on mother and child are addressed. Finally, the currently discussed biological mechanisms underlying various health effects associated with exposure to air pollution are described.Differing, but often complementary biological mechanisms create the basis for the diverse health outcomes caused by air pollution. Oxidative stress and a subclinical inflammatory response in the lungs and on a systemic level ("low-grade systemic inflammation") are considered to be key mechanisms. They promote secondary alterations in the body, such as vascular or metabolic processes, and may also result in the currently studied epigenetic phenomena or neuroinflammation. In this context, the health significance of soluble particulate matter and the role of ultrafine particles translocated across biological membranes into blood vessel and transported via the circulation to secondary target organs, such as liver, brain or the fetus, are intensively discussed.Diabetes is one of the leading chronic diseases worldwide, with a prevalence of almost 14 % in Germany. Although lifestyle factors are the main causes, current evidence suggests that long-term exposure to air pollution may additionally increase the risk for type 2 diabetes. Supporting evidence for a causal role of air pollution is provided by studies addressing the regulation of the blood glucose levels in metabolically healthy participants, insulin sensitivity, or pregnancy-related diabetes. Experimental studies provide further support for plausible biological mechanisms. However, prospective studies are needed to gain more evidence, taking multiple lifestyle and environmental factors, such as green space and noise, and an improved individual exposure assessment into account.The aging population has an increased risk of neurodegenerative diseases. First studies point towards a contribution of chronic exposure to air pollution, specifically by particulate matter. Several studies report its association with decreased neurocognitive capacity or an increased prevalence of dementia or Alzheimer's disease in adults. However, the studies are inhomogeneous regarding design, exposure and outcome, leading to inconsistent results. With respect to the influence on neurocognitive development of children, first studies suggest an association between the level of air pollution, e. g. at school, and delayed cognitive development.Even though the evidence for the different biological endpoints during pregnancy is still heterogeneous, the studies generally point towards an adverse impact of air pollution on the maternal and fetal organisms. The strongest evidence exists for low birth weight, with small effect sizes of only some grams, and for a higher incidence of reduced birth weight (< 2500 g). An increased risk for gestational hypertension and preeclampsia underscores the possible impact of exposure to air pollution on the maternal organism. However, the current body of evidence does not yet allow a final conclusion on the influence of intrauterine exposure to air pollution regarding early childhood lung function and development of allergies, particularly in light of the fact that it is hard to distinguish in epidemiological studies between the effects of pre- and postnatal exposure.
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Affiliation(s)
- H Schulz
- Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt, Institut für Epidemiologie, Neuherberg/München
| | - S Karrasch
- Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt, Institut für Epidemiologie, Neuherberg/München.,Institut und Poliklinik für Arbeits-, Sozial- und Umweltmedizin, Klinikum der Ludwig-Maximilians-Universität, München; Comprehensive Pneumology Center Munich (CPC-M), Mitglied des Deutschen Zentrums für Lungenforschung (DZL), München
| | - G Bölke
- Charité - Universitätsmedizin Berlin, Arbeitsbereich ambulante Pneumologie der Medizinischen Klinik mit Schwerpunkt Infektiologie und Pneumologie, Berlin
| | - J Cyrys
- Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt, Institut für Epidemiologie, Neuherberg/München
| | - C Hornberg
- Universität Bielefeld, Fakultät für Gesundheitswissenschaften, AG Umwelt und Gesundheit, Bielefeld
| | - R Pickford
- Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt, Institut für Epidemiologie, Neuherberg/München
| | - A Schneider
- Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt, Institut für Epidemiologie, Neuherberg/München
| | - C Witt
- Charité - Universitätsmedizin Berlin, Arbeitsbereich ambulante Pneumologie der Medizinischen Klinik mit Schwerpunkt Infektiologie und Pneumologie, Berlin
| | - B Hoffmann
- Heinrich-Heine-Universität Düsseldorf, Medizinische Fakultät, Institut für Arbeits-, Sozial- und Umweltmedizin, Düsseldorf
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11
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Schulz H, Karrasch S, Bölke G, Cyrys J, Hornberg C, Pickford R, Schneider A, Witt C, Hoffmann B. [Breathing: Ambient Air Pollution and Health - Part II]. Pneumologie 2019; 73:347-373. [PMID: 31185518 DOI: 10.1055/a-0895-6494] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
The second part of the DGP-statement on adverse health effects of ambient air pollution provides an overview of the current ambient air quality in Germany and its development in the past 20 years. Further, effects of air pollution on the cardiovascular system und underlying pathophysiological mechanisms are introduced. Air pollutants form a highly complex and dynamic system of thousands of organic and inorganic components from natural and anthropogenic sources. The pollutants are produced locally or introduced by long-range transport over hundreds of kilometers and are additionally subjected to local meteorological conditions. According to air quality regulations ambient air quality is monitored under uniform standards including immission of particulate matter, up to 2.5 µm (PM2.5) or 10 µm (PM10) in aerodynamic diameter, and of nitrogen dioxide (NO2) or ozone (O3). The clean air measures of recent years led to a continuous decline of air pollution in the past 20 years in Germany. Accordingly, the focus is nowadays directed at population-related health hazards caused by low concentrations of air pollution. Exceeded limits for sulfur dioxide, carbon monoxide, benzene and lead are not detected anymore. Also the number of days with increased ozone concentration declined, although the annual mean concentration is unaltered. Decreasing concentrations of particulate matter and NO2 have been observed, however, about 40 % of the monitoring stations at urban traffic sites still measure values exceeding current limits for NO2. Moreover, the stricter, solely health-based WHO-standards for PM2.5, PM10 and NO2 are still not met so that an optimal protection from air pollution-related health hazards is currently not given for the German population. In recent years, the findings of numerous cross-sectional and longitudinal studies underscored adverse effects of air pollution on the cardiovascular system, especially for particulate matter, although the level of evidence still varies for the different health outcomes. Further, the studies show that cardiovascular health hazards on the population level are of higher relevance than those for the respiratory system. The existing evidence for cardiovascular mortality, hospitalization, ischemic heart diseases, myocardial infarction and stroke can be regarded as strong, while that for heart failure is rather moderate. While the evidence for air pollution-related short-term alteration of the cardiac autonomic balance can be considered as sufficient, long-term effects are still unclear. Likewise, the heterogeneous findings on air pollution-related arrhythmia do currently not allow a distinct conclusion in this regard. A large number of studies support the observation that both, short- and long-term air pollution exposure contribute to increased blood pressure, may impair vascular homeostasis, induce endothelial dysfunction and promote the progression of atherosclerotic lesions. These effects provide reasonable biological explanation for the fatal events associated with exposure to air pollution. Short-term exposure may not pose a significant risk on healthy individuals but may be considered as precursor for fatal events in susceptible populations, while repetitive or long-term exposure may contribute to the development of cardiovascular diseases even in healthy subjects.
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Affiliation(s)
- H Schulz
- Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt, Institut für Epidemiologie, Neuherberg/München
| | - S Karrasch
- Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt, Institut für Epidemiologie, Neuherberg/München.,Institut und Poliklinik für Arbeits-, Sozial- und Umweltmedizin, Klinikum der Ludwig-Maximilians-Universität, München; Comprehensive Pneumology Center Munich (CPC-M), Mitglied des Deutschen Zentrums für Lungenforschung (DZL), München
| | - G Bölke
- Charité - Universitätsmedizin Berlin, Arbeitsbereich ambulante Pneumologie der Medizinischen Klinik mit Schwerpunkt Infektiologie und Pneumologie, Berlin
| | - J Cyrys
- Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt, Institut für Epidemiologie, Neuherberg/München
| | - C Hornberg
- Universität Bielefeld, Fakultät für Gesundheitswissenschaften, AG Umwelt und Gesundheit, Bielefeld
| | - R Pickford
- Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt, Institut für Epidemiologie, Neuherberg/München
| | - A Schneider
- Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt, Institut für Epidemiologie, Neuherberg/München
| | - C Witt
- Charité - Universitätsmedizin Berlin, Arbeitsbereich ambulante Pneumologie der Medizinischen Klinik mit Schwerpunkt Infektiologie und Pneumologie, Berlin
| | - B Hoffmann
- Heinrich-Heine-Universität Düsseldorf, Medizinische Fakultät, Institut für Arbeits-, Sozial- und Umweltmedizin, Düsseldorf
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12
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Affiliation(s)
- Reimar Krieg
- Institute of Anatomy IIUniversity Hospital Jena Teichgraben 7 DE-07743 Jena Germany
| | - Birgit Hoffmann
- Biomolecular Photonics GroupUniversity Hospital Jena Nonnenplan 2–4 DE-07743 Jena Germany
| | - Dieter Weiß
- Friedrich-Schiller-University Jena, Institute of Organic and Macromolecular Chemistry Humboldtstraße 10 DE-07743 Jena Germany
| | - Christoph Biskup
- Biomolecular Photonics GroupUniversity Hospital Jena Nonnenplan 2–4 DE-07743 Jena Germany
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13
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da Silva VBR, Boucherle B, El-Methni J, Hoffmann B, da Silva AL, Fortune A, de Lima MDCA, Thomas A. Could we expect new praziquantel derivatives? A meta pharmacometrics/pharmacoinformatics analysis of all antischistosomal praziquantel derivatives found in the literature. SAR QSAR Environ Res 2019; 30:383-401. [PMID: 31144535 DOI: 10.1080/1062936x.2019.1607898] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Accepted: 04/11/2019] [Indexed: 06/09/2023]
Abstract
Praziquantel (PZQ) is the first line drug for the treatment of human Schistosoma spp. worm infections. However, it suffers from low activity towards immature stages of the worm, and its prolonged use induces resistance/tolerance. During the last 40 years, 263 PZQ analogues have been synthesized and tested against Schistosoma spp. worms, but less than 10% of them showed significant activity. Here, we propose a rationalization of the chemical space of the PZQ derivatives by a ligand-based approach. First, we constructed an in-house database with all PZQ derivatives available in the literature. This analysis shows a high heterogeneity in the data. Fortunately, all studies include PZQ as a reference, permitting the classification of compounds into three classes according to their activities. Models involving ligand-based pharmacophore and logistic regression were performed. Five physicochemical parameters were identified as the best to explain the biological activity. In the end, we proposed new PZQ derivatives with modifications at positions 1 and 7, we analysed them with our models, and we observed that they can be more active than the previously synthesized derivatives. The main goal of this work was to conduct the most valuable meta-pharmacometrics/pharmacoinformatics analysis with all Praziquantel medicinal chemistry data available in the literature.
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Affiliation(s)
- V B Ribeiro da Silva
- a CNRS, DPM , Université Grenoble Alpes , Grenoble , France
- b Departamento de Antibióticos (DANTI) , Universidade Federal de Pernambuco (UFPE) , Recife , Brazil
| | - B Boucherle
- a CNRS, DPM , Université Grenoble Alpes , Grenoble , France
| | - J El-Methni
- c MAP5, UMR CNRS , Université Paris Descartes, Sorbonne Paris Cité , Paris , France
| | - B Hoffmann
- d UMR CNRS 7590, Museum National d'Histoire Naturelle, IRD UMR 206, IUC, IMPMC , Sorbonne Universités, UPMC Univ Paris , Paris , France
| | - A L da Silva
- e Universidade Federal do Vale do São Francisco, Univasf, Campus Paulo Afonso , Paulo Afonso , Brazil
| | - A Fortune
- a CNRS, DPM , Université Grenoble Alpes , Grenoble , France
| | - M do Carmo Alves de Lima
- b Departamento de Antibióticos (DANTI) , Universidade Federal de Pernambuco (UFPE) , Recife , Brazil
| | - A Thomas
- a CNRS, DPM , Université Grenoble Alpes , Grenoble , France
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14
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Plaß D, Tobollik M, Devleesschauwer B, Grill E, Hoffmann B, Hurraß J, Künzli N, Peters A, Rothenbacher D, Schneider A, Wichmann HE, Wintermeyer D, Wolf J, Zeeb H, Straff W. Kritik an Population Attributable Fraction bei genauerem Hinsehen nicht gerechtfertigt. Gesundheitswesen 2019; 81:444-447. [DOI: 10.1055/a-0915-1215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- D Plaß
- Umweltbundesamt, Abteilung Umwelthygiene, Berlin
| | - M Tobollik
- Umweltbundesamt, Abteilung Umwelthygiene, Berlin
| | - B Devleesschauwer
- Sciensano, Abteilung für Epidemiologie und Public Health, (Belgisches Institut für Gesundheit), Brüssel, Belgien
| | - E Grill
- Institut für Medizinische Informationsverarbeitung Biometrie und Epidemiologie (IBE), Ludwig-Maximilians Universität München, München
| | - B Hoffmann
- Institut für Arbeits-, Sozial- und Umweltmedizin, Medizinische Fakultät, Universität Düsseldorf, Düsseldorf
| | - J Hurraß
- Umweltbundesamt, Abteilung Umwelthygiene, Berlin
| | - N Künzli
- Schweizerisches Tropen- und Public Health-Institut, Basel, Schweiz
| | - A Peters
- Institut für Epidemiologie, Helmholtz Zentrum München und Institut für Medizinische Informationsverarbeitung Biometrie und Epidemiologie (IBE), Ludwig-Maximilians Universität München, München
| | - D Rothenbacher
- Institut für Epidemiologie und Medizinische Biometrie, Universität Ulm, Ulm
| | - A Schneider
- Institut für Epidemiologie, Helmholtz Zentrum München, München
| | - H E Wichmann
- ehemals Institut für Epidemiologie, Helmholtz Zentrum München, München und Lehrstuhl für Epidemiologie, LMU München
| | | | - J Wolf
- Unabhängige Beraterin (Derzeit Weltgesundheitsorganisation, Genf, Schweiz)
| | - H Zeeb
- Abteilung Prävention und Evaluation, Leibniz-Institut für Präventionsforschung und Epidemiologie – BIPS, Bremen
| | - W Straff
- Umweltbundesamt, Abteilung Umwelthygiene, Berlin
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15
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Schulz H, Karrasch S, Bölke G, Cyrys J, Hornberg C, Pickford R, Schneider A, Witt C, Hoffmann B. [Breathing: Ambient Air Pollution and Health - Part I]. Pneumologie 2019; 73:288-305. [PMID: 30991437 DOI: 10.1055/a-0882-9366] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
ZusammenfassungDie Exposition gegenüber Luftschadstoffen wird von der Weltgesundheitsorganisation weltweit als eine führende Gesundheitsgefährdung und als der wichtigste umweltbedingte Risikofaktor mit besonders hoher Krankheitslast in Ländern mit niedrigem und mittlerem Einkommen angesehen.Die Luftschadstoffbelastung besteht aus hochkomplexen Gemischen verschiedenster organischer und anorganischer Bestandteile natürlichen oder anthropogenen Ursprungs, die lokal entstehen oder durch Ferntransport über hunderte von Kilometern regional eingebracht werden können. Zusätzlich wird die Schadstoffkonzentration durch die regionalen, meteorologischen Verhältnisse beeinflusst. Dementsprechend können Schadstoffkonzentration und Zusammensetzung an einem Ort deutlich variieren, zeigen aber typischerweise einen Tages-, Wochen- und Jahresgang.Mittels gesetzlicher Grenzwerte wie in der „Air Quality Directive“ der Europäischen Union festgelegt, soll eine Gesundheitsgefährdung der Bevölkerung durch die Schadstoffe minimiert werden. Allerdings weichen die Grenzwerte der Europäischen Union von den Empfehlungen der WHO insbesondere für Feinstaub deutlich nach oben ab.Zur Abschätzung der Luftschadstoffbelastung wird auf einzelne Indikatoren zurückgegriffen, die die partikuläre, wie Feinstaub bis 2,5 µm (PM2.5) bzw. bis 10 µm aerodynamischen Durchmesser (PM10), und die gasförmige Belastung, wie Stickstoffdioxid (NO2) und Ozon (O3), charakterisieren. Für die meisten Luftschadstoffe wurden über die letzten Jahrzehnte in der westlichen Welt abfallende Konzentrationen beobachtet, sodass hier v. a. die Gesundheitsgefährdung bei geringerer Schadstoffbelastung im Vordergrund steht. Insbesondere Ballungsgebiete in Deutschland leiden aber noch unter erhöhter Luftverschmutzung.Zahlreiche Studien haben in den letzten Jahrzehnten schädliche Auswirkungen von Luftschadstoffen auf die Gesundheit der Bevölkerung belegt. Die Auswirkungen betreffen v. a. den Atemtrakt und das kardiovaskuläre System und reichen von unspezifischen Atemwegs- und kardiovaskulären Symptomen über Beeinträchtigungen der Lungenfunktion, vermehrter Medikamenteneinnahme und akuter Exazerbation von vorbestehenden Lungenerkrankungen, Herzinfarkten und Schlaganfällen bis hin zu Todesfällen. Neuere Studien weisen auf weitere Gesundheitsendpunkte, wie z. B. Atherosklerose, Einschränkungen des fetalen Wachstums, der kognitiven Funktion und neuronalen Entwicklung, Diabetes mellitus sowie auf ein verbessertes Verständnis der zugrundeliegenden pathophysiologischen Mechanismen hin.In der „Global Burden of Disease Study“ von 2015 wird die Bedeutung der Luftschadstoffbelastung für Mortalität und Morbidität v. a. durch chronische Erkrankungen quantifiziert. Bei der vorzeitigen Mortalität, v. a. aufgrund von kardiovaskulären Todesursachen, lag PM2.5 in der Außenluft weltweit auf Rang 5, unmittelbar hinter den allgemeinen Risikofaktoren erhöhter Blutdruck, Rauchen sowie erhöhte Glukose- und Cholesterinwerte. In Deutschland liegt die Krankheitslast durch Luftverschmutzung an zehnter Stelle der Risikofaktoren und ist damit auch hierzulande der wichtigste umweltbezogene Risikofaktor. Entsprechend zeigen Studien, dass der Einfluss von Luftschadstoffen die Sterblichkeit in Europa erhöht und die mittlere Lebenserwartung um etwa ein Jahr reduzieren kann.In dem hier vorgestellten Positionspapier fasst die Deutsche Gesellschaft für Pneumologie und Beatmungsmedizin den aktuellen Wissensstand zu den Gesundheitseffekten von Luftschadstoffen zusammen und leitet daraus Empfehlungen für einen umweltbezogenen Gesundheitsschutz ab. Der hier vorgestellte erste Teil fokussiert sich auf allgemeine Grundlagen und die Wirkungen im Atemtrakt.
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Affiliation(s)
- H Schulz
- Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt, Institut für Epidemiologie, Neuherberg/München
| | - S Karrasch
- Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt, Institut für Epidemiologie, Neuherberg/München.,Institut und Poliklinik für Arbeits-, Sozial- und Umweltmedizin, Klinikum der Ludwig-Maximilians-Universität, München; Comprehensive Pneumology Center Munich (CPC-M), Mitglied des Deutschen Zentrums für Lungenforschung (DZL), München
| | - G Bölke
- Charité - Universitätsmedizin Berlin, Arbeitsbereich ambulante Pneumologie der Medizinischen Klinik mit Schwerpunkt Infektiologie und Pneumologie, Berlin
| | - J Cyrys
- Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt, Institut für Epidemiologie, Neuherberg/München
| | - C Hornberg
- Universität Bielefeld, Fakultät für Gesundheitswissenschaften, AG Umwelt und Gesundheit, Bielefeld
| | - R Pickford
- Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt, Institut für Epidemiologie, Neuherberg/München
| | - A Schneider
- Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt, Institut für Epidemiologie, Neuherberg/München
| | - C Witt
- Charité - Universitätsmedizin Berlin, Arbeitsbereich ambulante Pneumologie der Medizinischen Klinik mit Schwerpunkt Infektiologie und Pneumologie, Berlin
| | - B Hoffmann
- Heinrich-Heine-Universität Düsseldorf, Medizinische Fakultät, Institut für Arbeits-, Sozial- und Umweltmedizin, Düsseldorf
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16
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Khundadze M, Ribaudo F, Hussain A, Rosentreter J, Nietzsche S, Thelen M, Winter D, Hoffmann B, Afzal MA, Hermann T, de Heus C, Piskor EM, Kosan C, Franzka P, von Kleist L, Stauber T, Klumperman J, Damme M, Proikas-Cezanne T, Hübner CA. A mouse model for SPG48 reveals a block of autophagic flux upon disruption of adaptor protein complex five. Neurobiol Dis 2019; 127:419-431. [PMID: 30930081 DOI: 10.1016/j.nbd.2019.03.026] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 02/25/2019] [Accepted: 03/24/2019] [Indexed: 12/25/2022] Open
Abstract
Hereditary spastic paraplegia is a spastic gait disorder that arises from degeneration of corticospinal axons. The subtype SPG48 is associated with mutations in the zeta subunit of the adaptor protein complex five (AP5). AP5 function and the pathophysiology of SPG48 are only poorly understood. Here, we report an AP5 zeta knockout mouse, which shows an age-dependent degeneration of corticospinal axons. Our analysis of knockout fibroblasts supports a trafficking defect from late endosomes to the transGolgi network and reveals a structural defect of the Golgi. We further show that both autophagic flux and the recycling of lysosomes from autolysosomes were impaired in knockout cells. In vivo, we observe an increase of autophagosomes and autolysosomes and, at later stages, the accumulation of intracellular waste in neurons. Taken together, we propose that loss of AP5 function blocks autophagy and thus leads to the aberrant accumulation of autophagic cargo, which finally results in axon degeneration.
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Affiliation(s)
- Mukhran Khundadze
- Institute of Human Genetics, University Hospital Jena, Friedrich-Schiller-University Jena, Jena 07747, Germany.
| | - Federico Ribaudo
- Institute of Human Genetics, University Hospital Jena, Friedrich-Schiller-University Jena, Jena 07747, Germany
| | - Adeela Hussain
- Institute of Human Genetics, University Hospital Jena, Friedrich-Schiller-University Jena, Jena 07747, Germany
| | - Jan Rosentreter
- Institute of Human Genetics, University Hospital Jena, Friedrich-Schiller-University Jena, Jena 07747, Germany
| | - Sandor Nietzsche
- Electron Microscopy Center, University Hospital Jena, Friedrich-Schiller-University Jena, Jena 07743, Germany
| | - Melanie Thelen
- Institute for Biochemistry and Molecular Biology, University of Bonn, Bonn 53115, Germany
| | - Dominic Winter
- Institute for Biochemistry and Molecular Biology, University of Bonn, Bonn 53115, Germany
| | - Birgit Hoffmann
- Biomolecular Photonics Group, University Hospital Jena, Friedrich-Schiller-University Jena, Jena 07743, Germany
| | - Muhammad Awais Afzal
- Institute of Human Genetics, University Hospital Jena, Friedrich-Schiller-University Jena, Jena 07747, Germany
| | - Tanja Hermann
- Institute of Human Genetics, University Hospital Jena, Friedrich-Schiller-University Jena, Jena 07747, Germany
| | - Cecilia de Heus
- Department of Cell Biology, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht 3584, Netherlands
| | - Eva-Maria Piskor
- Institute of Biochemistry and Biophysics, Friedrich-Schiller-University Jena, Jena 07743, Germany
| | - Christian Kosan
- Institute of Biochemistry and Biophysics, Friedrich-Schiller-University Jena, Jena 07743, Germany
| | - Patricia Franzka
- Institute of Human Genetics, University Hospital Jena, Friedrich-Schiller-University Jena, Jena 07747, Germany
| | - Lisa von Kleist
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin 14195, Germany
| | - Tobias Stauber
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin 14195, Germany
| | - Judith Klumperman
- Department of Cell Biology, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht 3584, Netherlands
| | - Markus Damme
- Institute of Biochemistry, Christian-Albrechts-University Kiel, Kiel 24118, Germany
| | - Tassula Proikas-Cezanne
- Department of Molecular Biology, Eberhard Karls University Tübingen, Tübingen 72076, Germany
| | - Christian A Hübner
- Institute of Human Genetics, University Hospital Jena, Friedrich-Schiller-University Jena, Jena 07747, Germany.
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17
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Dashper SG, Shen P, Sim CPC, Liu SW, Butler CA, Mitchell HL, D'Cruze T, Yuan Y, Hoffmann B, Walker GD, Catmull DV, Reynolds C, Reynolds EC. CPP-ACP Promotes SnF 2 Efficacy in a Polymicrobial Caries Model. J Dent Res 2018; 98:218-224. [PMID: 30392434 DOI: 10.1177/0022034518809088] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Dental caries is associated with plaque dysbiosis, leading to an increase in the proportions of acidogenic and aciduric bacteria at the expense of alkali-generating commensal species. Stannous fluoride (SnF2) slows the progression of caries by remineralization of early lesions but has also been suggested to inhibit glycolysis of aciduric bacteria. Casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) promotes fluoride remineralization by acting as a salivary biomimetic that releases bioavailable calcium and phosphate ions, and the peptide complex has also been suggested to modify plaque composition. We developed a polymicrobial biofilm model of caries using 6 bacterial species representative of supragingival plaque that were cultured on sound human enamel and pulsed with sucrose 4 times a day to produce a high cariogenic challenge. We used this model to explore the mechanisms of action of SnF2 and CPP-ACP. Bacterial species in the biofilms were enumerated with 16S rRNA gene sequence analyses, and mineral loss and lesion formation were determined in the enamel directly under the polymicrobial biofilms via transverse microradiography. The model tested the twice-daily addition of SnF2, CPP-ACP, or both. SnF2 treatment reduced demineralization by 50% and had a slight effect on the composition of the polymicrobial biofilm. CPP-ACP treatment caused a similar inhibition of enamel demineralization (50%), a decrease in Actinomyces naeslundii and Lactobacillus casei abundance, and an increase in Streptococcus sanguinis and Fusobacterium nucleatum abundance in the polymicrobial biofilm. A combination of SnF2 and CPP-ACP resulted in a greater suppression of the acidogenic and aciduric bacteria and a significant 72% inhibition of enamel demineralization.
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Affiliation(s)
- S G Dashper
- 1 Oral Health Cooperative Research Centre, Melbourne Dental School, Bio21 Institute, University of Melbourne, Melbourne, Australia
| | - P Shen
- 1 Oral Health Cooperative Research Centre, Melbourne Dental School, Bio21 Institute, University of Melbourne, Melbourne, Australia
| | - C P C Sim
- 1 Oral Health Cooperative Research Centre, Melbourne Dental School, Bio21 Institute, University of Melbourne, Melbourne, Australia
| | - S W Liu
- 1 Oral Health Cooperative Research Centre, Melbourne Dental School, Bio21 Institute, University of Melbourne, Melbourne, Australia
| | - C A Butler
- 1 Oral Health Cooperative Research Centre, Melbourne Dental School, Bio21 Institute, University of Melbourne, Melbourne, Australia
| | - H L Mitchell
- 1 Oral Health Cooperative Research Centre, Melbourne Dental School, Bio21 Institute, University of Melbourne, Melbourne, Australia
| | - T D'Cruze
- 1 Oral Health Cooperative Research Centre, Melbourne Dental School, Bio21 Institute, University of Melbourne, Melbourne, Australia
| | - Y Yuan
- 1 Oral Health Cooperative Research Centre, Melbourne Dental School, Bio21 Institute, University of Melbourne, Melbourne, Australia
| | - B Hoffmann
- 1 Oral Health Cooperative Research Centre, Melbourne Dental School, Bio21 Institute, University of Melbourne, Melbourne, Australia
| | - G D Walker
- 1 Oral Health Cooperative Research Centre, Melbourne Dental School, Bio21 Institute, University of Melbourne, Melbourne, Australia
| | - D V Catmull
- 1 Oral Health Cooperative Research Centre, Melbourne Dental School, Bio21 Institute, University of Melbourne, Melbourne, Australia
| | - C Reynolds
- 1 Oral Health Cooperative Research Centre, Melbourne Dental School, Bio21 Institute, University of Melbourne, Melbourne, Australia
| | - E C Reynolds
- 1 Oral Health Cooperative Research Centre, Melbourne Dental School, Bio21 Institute, University of Melbourne, Melbourne, Australia
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Marx A, Mollnau H, Sonnenschein S, Wenzel P, Muenzel T, Hoffmann B, Spittler R, Rostock T, Konrad T. P1028Acute myocarditis with suppressed cardiac function is associated with a high risk of sudden cardiac death in the early phase that can be prevented by the wearable cardioverter defibrillator. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p1028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- A Marx
- University Medical Center of Mainz, Clinic for Cardiology 2, Department of Electrophysiology, Mainz, Germany
| | - H Mollnau
- University Medical Center of Mainz, Clinic for Cardiology 2, Department of Electrophysiology, Mainz, Germany
| | - S Sonnenschein
- University Medical Center of Mainz, Clinic for Cardiology 2, Department of Electrophysiology, Mainz, Germany
| | - P Wenzel
- University Medical Center of Mainz, Clinic for Cardiology 1, Mainz, Germany
| | - T Muenzel
- University Medical Center of Mainz, Clinic for Cardiology 1, Mainz, Germany
| | - B Hoffmann
- University Medical Center of Mainz, Clinic for Cardiology 2, Department of Electrophysiology, Mainz, Germany
| | - R Spittler
- University Medical Center of Mainz, Clinic for Cardiology 2, Department of Electrophysiology, Mainz, Germany
| | - T Rostock
- University Medical Center of Mainz, Clinic for Cardiology 2, Department of Electrophysiology, Mainz, Germany
| | - T Konrad
- University Medical Center of Mainz, Clinic for Cardiology 2, Department of Electrophysiology, Mainz, Germany
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Schuler G, Dezhkam Y, Tenbusch L, Klymiuk MC, Zimmer B, Hoffmann B. SULFATION PATHWAYS: Formation and hydrolysis of sulfonated estrogens in the porcine testis and epididymis. J Mol Endocrinol 2018; 61:M13-M25. [PMID: 29467139 DOI: 10.1530/jme-17-0245] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [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: 02/09/2018] [Accepted: 02/21/2018] [Indexed: 12/22/2022]
Abstract
Boars exhibit high concentrations of sulfonated estrogens (SE) mainly originating from the testicular-epididymal compartment. Intriguingly, in porcine Leydig cells, sulfonation of estrogens is colocalized with aromatase and steroid sulfatase (STS), indicating that de novo synthesis of unconjugated estrogens (UE), their sulfonation and hydrolysis of SE occur within the same cell type. So far in boars no plausible concept concerning the role of SE has been put forward. To obtain new information on SE formation and hydrolysis, the porcine testicular-epididymal compartment was screened for the expression of the estrogen-specific sulfotransferase SULT1E1 and STS applying real-time RT-qPCR, Western blot and immunohistochemistry. The epididymal head was identified as the major site of SULT1E1 expression, whereas in the testis, it was virtually undetectable. However, SE tissue concentrations are clearly consistent with the testis as the predominant site of estrogen sulfonation. Results from measurements of estrogen sulfotransferase activity indicate that in the epididymis, SULT1E1 is the relevant enzyme, whereas in the testis, estrogens are sulfonated by a different sulfotransferase with a considerably lower affinity. STS expression and activity was high in the testis (Leydig cells, rete testis epithelium) but also present throughout the epididymis. In the epididymis, SULT1E1 and STS were colocalized in the ductal epithelium, and there was evidence for their apocrine secretion into the ductal lumen. The results suggest that in porcine Leydig cells, SE may be produced as a reservoir to support the levels of bioactive UE via the sulfatase pathway during periods of low activity of the pulsatile testicular steroidogenesis.
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Affiliation(s)
- G Schuler
- Veterinary Clinic for Obstetrics, Gynecology and Andrology, Faculty of Veterinary Medicine, Justus-Liebig-University, Giessen, Germany
| | - Y Dezhkam
- Veterinary Clinic for Obstetrics, Gynecology and Andrology, Faculty of Veterinary Medicine, Justus-Liebig-University, Giessen, Germany
| | - L Tenbusch
- Veterinary Clinic for Obstetrics, Gynecology and Andrology, Faculty of Veterinary Medicine, Justus-Liebig-University, Giessen, Germany
| | - M C Klymiuk
- Veterinary Clinic for Obstetrics, Gynecology and Andrology, Faculty of Veterinary Medicine, Justus-Liebig-University, Giessen, Germany
| | - B Zimmer
- Veterinary Clinic for Obstetrics, Gynecology and Andrology, Faculty of Veterinary Medicine, Justus-Liebig-University, Giessen, Germany
| | - B Hoffmann
- Veterinary Clinic for Obstetrics, Gynecology and Andrology, Faculty of Veterinary Medicine, Justus-Liebig-University, Giessen, Germany
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Dietze K, Moritz T, Alexandrov T, Krstevski K, Schlottau K, Milovanovic M, Hoffmann D, Hoffmann B. Suitability of group-level oral fluid sampling in ruminant populations for lumpy skin disease virus detection. Vet Microbiol 2018; 221:44-48. [PMID: 29981707 DOI: 10.1016/j.vetmic.2018.05.022] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 05/29/2018] [Accepted: 05/29/2018] [Indexed: 12/23/2022]
Abstract
The geographic expansion of Lumpy skin disease (LSD) from the near East into the European Union highlighted again the need for appropriate disease detection tools applicable to animal host populations where access to individual animals is difficult. This is of particular importance considering that the clinical manifestation of LSD is often mild making early disease detection challenging under the above-mentioned conditions. Building on positive experiences of group-level oral fluid sampling for pathogen detection as it is known to work for swine herds and wild boar, the concept was transferred to ruminants. Two groups of six cattle were infected experimentally with Lumpy skin disease virus (LSDV) under controlled conditions. Blood as well as oropharyngeal and nasal swab samples were collected at regular intervals. Group samples were obtained by placing cotton gauze around a salt lick block provided commonly as dietary supplement. Pieces of the gauze with visible signs of manipulation were tested in parallel to samples obtained from individual animals. Genome load analysis by qPCR technology revealed LSDV detection window starting from day 2 post infection until day 28 post infection, the end of the animal trial. At the individual level, detection periods varied between animals and type of sample and included intermitted detection. The accumulative character of the alternative sampling method makes it suitable to detect LSDV DNA at group-level even at times of the infection where a selective sampling of individuals from a group - as normally done in LSD surveillance - would have most likely failed in the detection.
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Affiliation(s)
- K Dietze
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493, Greifswald, Insel Riems, Germany.
| | - T Moritz
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493, Greifswald, Insel Riems, Germany
| | - T Alexandrov
- Bulgarian Food Safety Agency, Pencho Slaveikov 15A, Sofia, 1606, Bulgaria
| | - K Krstevski
- University "Ss. Cyril and Methodius" Skopje, Faculty of Veterinary Medicine, Lazar Pop Trajkov 5-7, 1000, Skopje, Macedonia
| | - K Schlottau
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493, Greifswald, Insel Riems, Germany
| | - M Milovanovic
- University of Belgrade, Faculty of Veterinary Medicine, Blvd. Oslobodjenja 18, 11000 Belgrade, Serbia
| | - D Hoffmann
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493, Greifswald, Insel Riems, Germany
| | - B Hoffmann
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493, Greifswald, Insel Riems, Germany
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Piepenbrink A, Failing K, Riesenbeck A, Schmid P, Hoffmann B. Downregulation von LH bei der Hündin nach Anwendung des GnRH-Agonisten Buserelin in Implantatform. Tierarztl Prax Ausg K 2018; 45:147-152. [DOI: 10.15654/tpk-160790] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Accepted: 01/24/2017] [Indexed: 11/13/2022]
Abstract
ZusammenfassungGegenstand und Ziel: Darstellung der Downregulation von LH bei der Hündin nach Anwendung eines Slow-Release-GnRH-Implantats mit dem Wirkstoff Buserelin. Material und Methoden: Zur Ausschaltung negativ rückkoppelnder Wirkungen endogener Sexualhormone wurden neun Hündinnen ovariohysterektomiert. Zur Anwendung kam der Wirkstoff Buserelinacetat in Form des Slow-Release-Implantats Profact Depot®, wobei jeweils drei Hündinnen Implantate mit 3,3 mg, 6,6 mg oder 13,2 mg subkutan appliziert wurden. Die Charakterisierung der Verfügbarkeit von LH erfolgte durch punktuelle sowie durch sequenzielle Blutentnahmen über 6-stündige Zeitfenster. Folgende Parameter wurden erfasst: AUC (Area Under the Curve), Basalkonzentration, Anzahl der Pulse und maximale Pulsamplitude. Ergebnisse: Dosisabhängigkeiten waren nicht feststellbar, was darauf hindeutet, dass die niedrigste Dosis bereits maximal wirksam war. Für die weitere Auswertung wurden die Tiere daher zu einer Gruppe zusammengefasst. Ein zunehmend stärker werdender Effekt der Downregulation zeigte sich von der 2. bis zur 26. Woche nach der Implantation, die Wirkdauer lag bei ca. 34 Wochen. Eine Stunde nach der Implantation kam es zu einem signifikanten Anstieg auf fast das Doppelte des Ausgangswerts. Danach blieb das LH-Niveau über weitere 8 Stunden erhöht. Schlussfolgerung: Wie beim Rüden führt Buserelin auch bei der Hündin zu einer Downregulation der LH-Sekretion, der eine initiale, über mehrere Stunden anhaltende erhöhte LH-Freisetzung vorausgeht. Diese muss im Zusammenhang mit den unerwünschten Wirkungen gesehen werden, die bei der Downregulation der Ovarfunktion der Hündin mittels Slow-Release-GnRH-Analoga auftreten. Klinische Relevanz: Die Unterbindung des initialen Anstiegs der LH-Konzentration ist Voraussetzung für eine erfolgreiche Anwendung von Slow-Release-GnRH-Analoga zur Downregulation der Sexualfunktion der Hündin.
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Abstract
ZusammenfassungDie dialogische Online-Telesprachtherapie bietet vor allem für den ländlichen Raum in Zukunft neue Chancen für eine bedarfsgerechte und wohnortnahe Versorgung der Patienten mit Sprach- und Sprechstörungen. Patient und Therapeut agieren in Echtzeit direkt über den Bildschirm miteinander, sodass dem Patienten aufwändige Wege in ein spezialisiertes sprachtherapeutisches Zentrum erspart werden können. Die Telesprachtherapie ermöglicht die Aufrechterhaltung einer sektorenübergreifenden Versorgungskette (supply chain) durch Überbrückung eventueller poststationärer Engpässe.
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Schuler G, Hoffmann B. Grundlagen der Wirkungsweise und sich daraus ergebende klinische Anwendungen von Antigestagenen bei Hund und Katze. Tierarztl Prax Ausg K 2018. [DOI: 10.1055/s-0037-1622555] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
ZusammenfassungBei Antigestagenen handelt es sich um Wirkstoffe, die kompetitiv zum körpereigenen Progesteron an den nukleären Progesteronrezeptor binden, ohne dass jedoch dadurch die nachfolgende Transkription eingeleitet wird. Damit ergibt sich die grundsätzliche Möglichkeit, durch Anwendung dieser Wirkstoffgruppe zu vorgegebenen Zeitpunkten gezielt die Progesteronwirkung aufzuheben. So kann durch Aufhebung der protektiven Wirkung von Progesteron beim Hund eine Nidationsverhütung, ein Graviditätsabbruch, aber auch die Einleitung einer Geburt erfolgen. Der progesteronbedingte Zervixverschluss lässt sich ebenfalls aufheben, wodurch auch im Fall einer geschlossenen Pyometra erstmals alternativ zur Ovariohysterektomie eine gut verträgliche konservative Therapie möglich ist. Diese für den Hund geltenden Beobachtungen können entsprechend auf die Katze übertragen werden. Bei dieser Tierart stellt die Behandlung der Fibroadenomatose mittels Antigestagen eine weitere neue therapeutische Option dar. Für die Veterinärmedizin steht seit 2004 das den antigestagenen Wirkstoff Aglepriston enthaltende Tierarzneimittel Alizin® zum Graviditätsabbruch bei der Hündin zur Verfügung. Eine darüber hinausgehende Anwendung lässt das Arzneimittelgesetz aufgrund der Möglichkeiten der Umwidmung zu. In einem solchen Fall ist tierärztlicherseits jedoch ein äußerst sorgfältiges und mit der entsprechenden Aufklärung verbundenes Vorgehen notwendig.
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Schuler G, Wilhelm E, Hoffmann B, Pesch S. Samengewinnung, -konservierung und künstliche Besamung beim Hund. Tierarztl Prax Ausg K 2018. [DOI: 10.1055/s-0038-1622603] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Zusammenfassung:Die künstliche Besamung ist ein inzwischen auch beim Hund etabliertes Verfahren. Zum Einsatz kommen Frischsperma bzw. flüssig- und gefrierkonserviertes Sperma. Das Ejakulat wird durch manuelle Stimulation, bevorzugt in Anwesenheit einer läufigen Hündin, fraktioniert gewonnen, wobei zur Herstellung von flüssig- bzw. gefrierkonserviertem Sperma ausschließlich die spermienreiche Fraktion verwendet werden sollte. Die Verdünnung erfolgt üblicherweise mit einem Tris-Eidotter-Puffer mit einem Antibiotikazusatz bei flüssigkonserviertem Sperma, für die Herstellung von Tiefgefriersperma wird Glyzerin zugesetzt. Entscheidend für den Besamungserfolg ist die Wahl des Besamungszeitpunktes, insbesondere bei Verwendung von Tiefgefriersperma. Vaginalzytologie und Vaginoskopie sollten mit einer Progesteronbestimmung verbunden sein, um den für die Samenübertragung optimalen Bereich um 12 ng/ml Plasma zu definieren. Derzeit kommen vier Inseminationstechniken zur Anwendung: die tief intravaginale Besamung, die transzervikale-intrauterine Besamung mithilfe eines starren Katheters unter transabdominaler Fixation der Zervix, die transzervikale-intrauterine Besamung unter endoskopischer Kontrolle sowie die chirurgische intrauterine Besamung via Laparotomie/Laparoskopie. Bei der Verwendung von Tiefgefriersperma sollte grundsätzlich die intrauterine Samendeponierung angestrebt werden. Als Besamungsdosis werden, unabhängig von der Art des Inseminats, mindestens 150 × 106 vorwärtsbewegliche Spermien empfohlen. Unter optimalen Voraussetzungen können mit der künstlichen Besamung auch beim Einsatz von kryokonserviertem Sperma mit dem natürlichen Deckakt vergleichbare Trächtigkeitsraten und Wurfgrößen erzielt werden.
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Abstract
SummaryLymphoedema is a disease frequently diagnosed in vascular departments, its origin being primary or secondary after cellulitis or cancer treatment. The prevalence of lower extremity lymphoedema in the general population is largely unknown. The aim of this article is to describe the prevalence of Stemmer's sign as a diagnostic criterium for lymphoedema in an unselected adult German population. Methods: The population for this cross-sectional study was recruited from November 2000 through March 2002 from the general population of the city of Bonn and two surrounding rural communities. 3072 individuals (1145 rural and 1927 urban) could be enrolled in the study. The results of the clinical examination were categorized in four groups: grade 0 normal skin fold at the dorsum of the second toe, grade 1 skin fold enlarged measuring 0.5–1 cm, grade 2 the skin fold >1 cm and grade 3 >1 cm with severe induration or papillomatosis. Results: Among 3055 out of 3072 subjects information on all variables were available. In 15.9% of the population a positive Stemmer sign was found with a slightly higher overall prevalence in women. Most of this group presented as grade 1 Stemmer's sign (14.1%). The more severe grades 2 and 3 were present in 1.8 % of the study population with no clear difference between sexes. We observed a considerably higher prevalence of Stemmer's sign of all grades in the urban population. The prevalence of Stemmer's sign increased with age from 3.2% up to 35.9% in the 70–79 year old population. Prevalence of positive Stemmer's sign was also higher in higher C-stages of the CEAP classification (5.8% in C0 to 100% in C6). Conclusions: The prevalence of lymphoedema in the general population represented by grade 2–3 Stemmer's sign in 1.8% and grade 1 Stemmer's sign in 14% is high. Women have a slightly higher prevalence of positive Stemmer's sign than men. The prevalence of positive Stemmer's sign is associated with age and chronic venous insufficiency.
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Abstract
SummaryThe aim of this study was to assess the prevalence of use of medical compression stockings (MCS) in the general adult population in Germany, to comment the indications for which MCS therapy has been described and the patients’ experience with it. Methods: The survey is based on the Bonn Vein Study. The population of this cross-sectional study was randomly recruited between November 2000 and March 2002 from the registers of residents of the city of Bonn and two rural townships in the area. In total, 3.072 men and women were included in the trial. In addition to clinical examination and duplex-ultrasound, participants were asked whether any phlebological treatment had been carried out due to a leg disorder or disease.. If compression stockings had been worn, we asked for details such as compression class and length of stockings, wearing time, effectiveness, and recognition. Results: In total, 22.9% of people providing information (12.7% of male, 31.0% of female) mentioned having received a specific phlebological treatment in the past. Therapy with compression stockings had the highest prevalence with 14.6% in the general population (7.5% of males, 20.3% of females). The mean age at the first prescription was 45.5 years (SD = 14.3 years). With increasing severity of venous disease, as rated according to the CEAP classification, the prevalence increased from 1% in C0 patients to 82% in C5/C6 patients. Of 450 participants who had used compression stockings in the past, 309 (68.6%) did not wear CS at the time of the survey. The remainder had generally been wearing them on five or more days per week (73.0%) for 8 or more hours per day (89.4%). On average, 71.3% of the participants said that the disease for which MCS were prescribed, had improved as a result of MCS therapy. Improvement concerned a reduction of sensations of swelling (84.2%), of heaviness (89.4%), leg pain after long periods of standing (60.9), and tension in the legs (78.9).
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Bréard E, Schulz C, Sailleau C, Bernelin-Cottet C, Viarouge C, Vitour D, Guillaume B, Caignard G, Gorlier A, Attoui H, Gallois M, Hoffmann B, Zientara S, Beer M. Bluetongue virus serotype 27: Experimental infection of goats, sheep and cattle with three BTV-27 variants reveal atypical characteristics and likely direct contact transmission BTV-27 between goats. Transbound Emerg Dis 2017; 65:e251-e263. [PMID: 29243405 DOI: 10.1111/tbed.12780] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Indexed: 11/30/2022]
Abstract
Bluetongue virus (BTV) hitherto consisted of 26 recognized serotypes, of which all except BTV-26 are primarily transmitted by certain species of Culicoides biting midges. Three variants of an additional 27th bluetongue virus serotype (BTV-27v01-v03) were recently detected in asymptomatic goats in Corsica, France, 2014-2015. Molecular characterization revealed genetic differences between the three variants. Therefore, in vivo characteristics were investigated by experimental infection of a total of 15 goats, 11 sheep and 4 cattle with any one of the three variants in separated animal trials. In goat trials, BTV-naïve animals of the same species were kept in a facility where direct contact was unhindered. Of the 15 inoculated goats, 13 and 14 animals were found positive for BTV-RNA and antibodies (Ab), respectively, until the end of the experiments. Surprisingly, BTV-Ab levels as measured with ELISA and neutralization test (SNT) were remarkably low in all seropositive goats. Virus isolation from whole-blood was possible at the peak of viremia until 49 dpi. Moreover, detection of BTV-27v02-RNA and Ab in one contact goat indicated that-similar to BTV-26-at least one of three BTV-27 variants may be transmitted by contact between goats. In the field, BTV-27 RNA can be detected up to 6 months in the whole-blood of BTV-27-infected Corsican goats. In contrast, BTV RNA was not detected in the blood of cattle or sheep. In addition, BTV-27 Abs were not detected in cattle and only a transient increase in Ab levels was observed in some sheep. None of the 30 animals showed obvious BT-like clinical signs. In summary, the phenotypes observed for BTV-27v01-v03 phenotypes correspond to a mixture of characteristics known for BTV-25 and 26.
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Affiliation(s)
- E Bréard
- Laboratoire de Santé Animale d'Alfort, Université Paris Est, ANSES, ENVA, INRA, UMR 1161 VIROLOGIE, Maisons-Alfort, France
| | - C Schulz
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - C Sailleau
- Laboratoire de Santé Animale d'Alfort, Université Paris Est, ANSES, ENVA, INRA, UMR 1161 VIROLOGIE, Maisons-Alfort, France
| | - C Bernelin-Cottet
- Virologie et Immunologie Moléculaires, UR892 INRA, Domaine de Vilvert, Jouy-en-Josas, France
| | - C Viarouge
- Laboratoire de Santé Animale d'Alfort, Université Paris Est, ANSES, ENVA, INRA, UMR 1161 VIROLOGIE, Maisons-Alfort, France
| | - D Vitour
- Laboratoire de Santé Animale d'Alfort, Université Paris Est, ANSES, ENVA, INRA, UMR 1161 VIROLOGIE, Maisons-Alfort, France
| | - B Guillaume
- Ecole Nationale Veterinaire d'Alfort, Unite de Pathologie du Betail, Universite Paris-Est, Maisons-Alfort, France
| | - G Caignard
- Laboratoire de Santé Animale d'Alfort, Université Paris Est, ANSES, ENVA, INRA, UMR 1161 VIROLOGIE, Maisons-Alfort, France
| | - A Gorlier
- Laboratoire de Santé Animale d'Alfort, Université Paris Est, ANSES, ENVA, INRA, UMR 1161 VIROLOGIE, Maisons-Alfort, France
| | - H Attoui
- Laboratoire de Santé Animale d'Alfort, Université Paris Est, ANSES, ENVA, INRA, UMR 1161 VIROLOGIE, Maisons-Alfort, France
| | - M Gallois
- Regional Federation of Corsican Animal Health Groups, FRGDSB20, Ajaccio, France
| | - B Hoffmann
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - S Zientara
- Laboratoire de Santé Animale d'Alfort, Université Paris Est, ANSES, ENVA, INRA, UMR 1161 VIROLOGIE, Maisons-Alfort, France
| | - M Beer
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
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Schulz C, Sailleau C, Bréard E, Flannery J, Viarouge C, Zientara S, Beer M, Batten C, Hoffmann B. Experimental infection of sheep, goats and cattle with a bluetongue virus serotype 4 field strain from Bulgaria, 2014. Transbound Emerg Dis 2017; 65:e243-e250. [DOI: 10.1111/tbed.12746] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Indexed: 11/30/2022]
Affiliation(s)
- C. Schulz
- Friedrich-Loeffler-Institut; Institute of Diagnostic Virology; Greifswald-Insel Riems Germany
| | - C. Sailleau
- Université Paris Est; ANSES, ENVA, INRA; UMR 1161 VIROLOGIE; Laboratoire de Santé Animale d'Alfort; Maisons-Alfort France
| | - E. Bréard
- Université Paris Est; ANSES, ENVA, INRA; UMR 1161 VIROLOGIE; Laboratoire de Santé Animale d'Alfort; Maisons-Alfort France
| | - J. Flannery
- The Pirbright Institute; Non Vesicular Reference Laboratory; Woking UK
| | - C. Viarouge
- Université Paris Est; ANSES, ENVA, INRA; UMR 1161 VIROLOGIE; Laboratoire de Santé Animale d'Alfort; Maisons-Alfort France
| | - S. Zientara
- Université Paris Est; ANSES, ENVA, INRA; UMR 1161 VIROLOGIE; Laboratoire de Santé Animale d'Alfort; Maisons-Alfort France
| | - M. Beer
- Friedrich-Loeffler-Institut; Institute of Diagnostic Virology; Greifswald-Insel Riems Germany
| | - C. Batten
- The Pirbright Institute; Non Vesicular Reference Laboratory; Woking UK
| | - B. Hoffmann
- Friedrich-Loeffler-Institut; Institute of Diagnostic Virology; Greifswald-Insel Riems Germany
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Ohlwein S, Hennig F, Lucht S, Moebus S, Jöckel KH, Hoffmann B, Ohlwein S. Road traffic noise and incident diabetes mellitus after 5 years of follow-up – Results from the Heinz Nixdorf Recall Study. Das Gesundheitswesen 2017. [DOI: 10.1055/s-0037-1605745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- S Ohlwein
- HHU Düsseldorf, Institut für Arbeits-, Sozial- und Umweltmedizin, Umweltepidemiologie, Düsseldorf
| | - F Hennig
- HHU Düsseldorf, Institut für Arbeits-, Sozial- und Umweltmedizin, Umweltepidemiologie, Düsseldorf
| | - S Lucht
- HHU Düsseldorf, Institut für Arbeits-, Sozial- und Umweltmedizin, Umweltepidemiologie, Düsseldorf
| | - S Moebus
- Universitätsklinikum Essen, IMIBE, Essen
| | - KH Jöckel
- Universitätsklinikum Essen, IMIBE, Essen
| | - B Hoffmann
- HHU Düsseldorf, Institut für Arbeits-, Sozial- und Umweltmedizin, Umweltepidemiologie, Düsseldorf
| | - S Ohlwein
- HHU Düsseldorf, Institut für Arbeits-, Sozial- und Umweltmedizin, Umweltepidemiologie, Düsseldorf
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Hoffmann B, Callebaut I, Mornon JP. WS09.1 3D structures of the full length CFTR protein: combining theoretical and experimental data. J Cyst Fibros 2017. [DOI: 10.1016/s1569-1993(17)30207-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Dill V, Beer M, Hoffmann B. Simple, quick and cost-efficient: A universal RT-PCR and sequencing strategy for genomic characterisation of foot-and-mouth disease viruses. J Virol Methods 2017; 246:58-64. [PMID: 28442328 DOI: 10.1016/j.jviromet.2017.04.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 04/07/2017] [Accepted: 04/18/2017] [Indexed: 02/02/2023]
Abstract
Foot-and-mouth disease (FMD) is a major contributor to poverty and food insecurity in Africa and Asia, and it is one of the biggest threats to agriculture in highly developed countries. As FMD is extremely contagious, strategies for its prevention, early detection, and the immediate characterisation of outbreak strains are of great importance. The generation of whole-genome sequences enables phylogenetic characterisation, the epidemiological tracing of virus transmission pathways and is supportive in disease control strategies. This study describes the development and validation of a rapid, universal and cost-efficient RT-PCR system to generate genome sequences of FMDV, reaching from the IRES to the end of the open reading frame. The method was evaluated using twelve different virus strains covering all seven serotypes of FMDV. Additionally, samples from experimentally infected animals were tested to mimic diagnostic field samples. All primer pairs showed a robust amplification with a high sensitivity for all serotypes. In summary, the described assay is suitable for the generation of FMDV sequences from all serotypes to allow immediate phylogenetic analysis, detailed genotyping and molecular epidemiology.
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Affiliation(s)
- V Dill
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Südufer 10, 17493 Greifswald-Insel Riems, Germany
| | - M Beer
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Südufer 10, 17493 Greifswald-Insel Riems, Germany
| | - B Hoffmann
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Südufer 10, 17493 Greifswald-Insel Riems, Germany.
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Pfaff F, Schlottau K, Scholes S, Courtenay A, Hoffmann B, Höper D, Beer M. A novel astrovirus associated with encephalitis and ganglionitis in domestic sheep. Transbound Emerg Dis 2017; 64:677-682. [DOI: 10.1111/tbed.12623] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Indexed: 01/07/2023]
Affiliation(s)
- F. Pfaff
- Friedrich-Loeffler-Institut; Greifswald - Insel Riems Germany
| | - K. Schlottau
- Friedrich-Loeffler-Institut; Greifswald - Insel Riems Germany
| | - S. Scholes
- SAC Consulting Veterinary Services; Penicuik UK
| | | | - B. Hoffmann
- Friedrich-Loeffler-Institut; Greifswald - Insel Riems Germany
| | - D. Höper
- Friedrich-Loeffler-Institut; Greifswald - Insel Riems Germany
| | - M. Beer
- Friedrich-Loeffler-Institut; Greifswald - Insel Riems Germany
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Markevych I, Baumbach C, Standl M, Koletzko S, Lehmann I, Bauer CP, Hoffmann B, von Berg A, Berdel D, Heinrich J. Early life travelling does not increase risk of atopic outcomes until 15 years: results from GINIplus and LISAplus. Clin Exp Allergy 2017; 47:395-400. [PMID: 28122145 DOI: 10.1111/cea.12891] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 01/04/2017] [Accepted: 01/12/2017] [Indexed: 12/15/2022]
Abstract
BACKGROUND Westernized lifestyle has been blamed for allergy epidemics. One of its characteristics is increased distances and frequency of travelling from early life onwards. Early life travelling to places which substantially differ from home environment in terms of climate, vegetation and food could increase the exposure to further unknown allergens and hence promote the development of allergies, but no epidemiological study has investigated this speculation. METHODS Detailed data on travelling during the first 2 years of life as well as a range of atopic outcomes along with potential confounders up to age 15 years were collected prospectively within two large population-based multicentre German birth cohorts - GINIplus and LISAplus. Farthest travelling destination (within Germany; middle/northern/eastern Europe; southern Europe; outside Europe), total number of trips and their combination were considered as exposures. Six atopic outcomes were used: (1) doctor-diagnosed asthma, (2) doctor-diagnosed allergic rhinitis, (3) nose and eye symptoms, (4) sensitization to food allergens, (5) sensitization to indoor and (6) outdoor inhalant allergens. Longitudinal associations between each exposure and health outcome pair were analysed using generalized estimation equations (GEEs). RESULTS The results of our longitudinal analyses of 5674 subjects do not support the research hypothesis that travelling abroad to different regions in Europe or beyond Europe and frequency of travelling increase prevalence of doctor-diagnosed asthma and allergic rhinitis, nose and eye symptoms and allergic sensitization up to 15 years of age. Furthermore, there was no indication of age-varying effects. CONCLUSIONS Early life travelling does not seem to increase risk of atopic outcomes. Nevertheless, as we could not account for the type of visited environment or length of stay, these first findings should be interpreted with caution.
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Affiliation(s)
- I Markevych
- Institute of Epidemiology I, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany.,Division of Metabolic and Nutritional Medicine, Dr. von Hauner Children's Hospital, Ludwig-Maximilians-University of Munich, Munich, Germany.,Institute and Outpatient Clinic for Occupational, Social and Environmental Medicine, Inner City Clinic, University Hospital of Munich (LMU), Munich, Germany
| | - C Baumbach
- Research Unit of Molecular Epidemiology, Institute of Epidemiology II, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany
| | - M Standl
- Institute of Epidemiology I, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany
| | - S Koletzko
- Division of Paediatric Gastroenterology and Hepatology, Dr. von Hauner Children's Hospital Munich, Ludwig-Maximilians-University of Munich, Munich, Germany
| | - I Lehmann
- Department of Environmental Immunology/Core Facility Studies, Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany
| | - C-P Bauer
- Department of Pediatrics, Technical University of Munich, Munich, Germany
| | - B Hoffmann
- Centre for Health and Society, Institute of Occupational, Social and Environmental Medicine, Heinrich-Heine University of Düsseldorf, Düsseldorf, Germany
| | - A von Berg
- Research Institute, Department of Pediatrics, Marien-Hospital Wesel, Wesel, Germany
| | - D Berdel
- Research Institute, Department of Pediatrics, Marien-Hospital Wesel, Wesel, Germany
| | - J Heinrich
- Institute of Epidemiology I, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany.,Institute and Outpatient Clinic for Occupational, Social and Environmental Medicine, Inner City Clinic, University Hospital of Munich (LMU), Munich, Germany
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Keidel M, Vauth F, Richter J, Hoffmann B, Soda H, Griewing B, Scibor M. Telerehabilitation nach Schlaganfall im häuslichen Umfeld. Nervenarzt 2017; 88:113-119. [DOI: 10.1007/s00115-016-0275-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Fuertes E, Markevych I, Bowatte G, Gruzieva O, Gehring U, Becker A, Berdel D, von Berg A, Bergström A, Brauer M, Brunekreef B, Brüske I, Carlsten C, Chan-Yeung M, Dharmage SC, Hoffmann B, Klümper C, Koppelman GH, Kozyrskyj A, Korek M, Kull I, Lodge C, Lowe A, MacIntyre E, Pershagen G, Standl M, Sugiri D, Wijga A, Heinrich J. Residential greenness is differentially associated with childhood allergic rhinitis and aeroallergen sensitization in seven birth cohorts. Allergy 2016; 71:1461-71. [PMID: 27087129 DOI: 10.1111/all.12915] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/11/2016] [Indexed: 12/22/2022]
Abstract
BACKGROUND The prevalence of allergic rhinitis is high, but the role of environmental factors remains unclear. We examined cohort-specific and combined associations of residential greenness with allergic rhinitis and aeroallergen sensitization based on individual data from Swedish (BAMSE), Australian (MACS), Dutch (PIAMA), Canadian (CAPPS and SAGE), and German (GINIplus and LISAplus) birth cohorts (n = 13 016). METHODS Allergic rhinitis (doctor diagnosis/symptoms) and aeroallergen sensitization were assessed in children aged 6-8 years in six cohorts and 10-12 years in five cohorts. Residential greenness was defined as the mean Normalized Difference Vegetation Index (NDVI) in a 500-m buffer around the home address at the time of health assessment. Cohort-specific associations per 0.2 unit increase in NDVI were assessed using logistic regression models and combined in a random-effects meta-analysis. RESULTS Greenness in a 500-m buffer was positively associated with allergic rhinitis at 6-8 years in BAMSE (odds ratio = 1.42, 95% confidence interval [1.13, 1.79]) and GINI/LISA South (1.69 [1.19, 2.41]) but inversely associated in GINI/LISA North (0.61 [0.36, 1.01]) and PIAMA (0.67 [0.47, 0.95]). Effect estimates in CAPPS and SAGE were also conflicting but not significant (0.63 [0.32, 1.24] and 1.31 [0.81, 2.12], respectively). All meta-analyses were nonsignificant. Results were similar for aeroallergen sensitization at 6-8 years and both outcomes at 10-12 years. Stratification by NO2 concentrations, population density, an urban vs rural marker, and moving did not reveal consistent trends within subgroups. CONCLUSION Although residential greenness appears to be associated with childhood allergic rhinitis and aeroallergen sensitization, the effect direction varies by location.
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Hennig F, Sugiri D, Tzivian L, Fuks K, Moebus S, Jöckel KH, Vienneau D, Kuhlbusch T, de Hoogh K, Memmesheimer M, Jakobs H, Quass U, Hoffmann B. Air pollution modelling in the Ruhr Area: Land-Use Regression vs. Dispersion Chemistry Transport. Gesundheitswesen 2016. [DOI: 10.1055/s-0036-1586669] [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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Fuks K, Hennig F, Sugiri D, Kuhlbusch T, Moebus S, Erbel R, Jöckel KH, Hoffmann B. Elemental composition of fine particulate matter and arterial blood pressure in a population-based German cohort. Gesundheitswesen 2016. [DOI: 10.1055/s-0036-1586578] [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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Beer M, Wernike K, Dräger C, Höper D, Pohlmann A, Bergermann C, Schröder C, Klinkhammer S, Blome S, Hoffmann B. High Prevalence of Highly Variable Atypical Porcine Pestiviruses Found in Germany. Transbound Emerg Dis 2016; 64:e22-e26. [PMID: 27297961 DOI: 10.1111/tbed.12532] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Indexed: 11/29/2022]
Abstract
Recently, a novel atypical porcine pestivirus (APPV) with significant distribution was described in the USA. Subsequent screening of the German pig sector showed a high prevalence of APPV with high variability among strains. First indication of a cell culture isolate is provided which will allow further investigations like pathogenesis studies.
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Affiliation(s)
- M Beer
- Friedrich-Loeffler-Institut, Greifswald - Insel Riems, Germany
| | - K Wernike
- Friedrich-Loeffler-Institut, Greifswald - Insel Riems, Germany
| | - C Dräger
- Friedrich-Loeffler-Institut, Greifswald - Insel Riems, Germany
| | - D Höper
- Friedrich-Loeffler-Institut, Greifswald - Insel Riems, Germany
| | - A Pohlmann
- Friedrich-Loeffler-Institut, Greifswald - Insel Riems, Germany
| | - C Bergermann
- State Office for Agriculture Food Safety and Fishery Mecklenburg-Western Pomerania, Rostock, Germany
| | - C Schröder
- Friedrich-Loeffler-Institut, Greifswald - Insel Riems, Germany
| | | | - S Blome
- Friedrich-Loeffler-Institut, Greifswald - Insel Riems, Germany
| | - B Hoffmann
- Friedrich-Loeffler-Institut, Greifswald - Insel Riems, Germany
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Tessarek C, Fladischer S, Dieker C, Sarau G, Hoffmann B, Bashouti M, Göbelt M, Heilmann M, Latzel M, Butzen E, Figge S, Gust A, Höflich K, Feichtner T, Büchele M, Schwarzburg K, Spiecker E, Christiansen S. Self-Catalyzed Growth of Vertically Aligned InN Nanorods by Metal-Organic Vapor Phase Epitaxy. Nano Lett 2016; 16:3415-3425. [PMID: 27187840 DOI: 10.1021/acs.nanolett.5b03889] [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] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Vertically aligned hexagonal InN nanorods were grown mask-free by conventional metal-organic vapor phase epitaxy without any foreign catalyst. The In droplets on top of the nanorods indicate a self-catalytic vapor-liquid-solid growth mode. A systematic study on important growth parameters has been carried out for the optimization of nanorod morphology. The nanorod N-polarity, induced by high temperature nitridation of the sapphire substrate, is necessary to achieve vertical growth. Hydrogen, usually inapplicable during InN growth due to formation of metallic indium, and silane are needed to enhance the aspect ratio and to reduce parasitic deposition beside the nanorods on the sapphire surface. The results reveal many similarities between InN and GaN nanorod growth showing that the process despite the large difference in growth temperature is similar. Transmission electron microscopy, spatially resolved energy-dispersive X-ray spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and Raman spectroscopy have been performed to analyze the structural properties. Spatially resolved cathodoluminescence investigations are carried out to verify the optical activity of the InN nanorods. The InN nanorods are expected to be the material of choice for high-efficiency hot carrier solar cells.
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Affiliation(s)
- C Tessarek
- Institut für Nanoarchitekturen für die Energieumwandlung, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH , Hahn-Meitner Platz 1, 14109 Berlin, Germany
- Institute of Optics, Information and Photonics, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) , Staudtstr. 7/B2, 91058 Erlangen, Germany
- Max Planck Institute for the Science of Light , Günther-Scharowsky-Str. 1, 91058 Erlangen, Germany
| | - S Fladischer
- Institut für Mikro- und Nanostrukturforschung & Center for Nanoanalysis and Electron Microscopy (CENEM), Friedrich-Alexander-University Erlangen-Nürnberg (FAU) , Cauerstr. 6, 91058 Erlangen, Germany
| | - C Dieker
- Institut für Mikro- und Nanostrukturforschung & Center for Nanoanalysis and Electron Microscopy (CENEM), Friedrich-Alexander-University Erlangen-Nürnberg (FAU) , Cauerstr. 6, 91058 Erlangen, Germany
| | - G Sarau
- Institut für Nanoarchitekturen für die Energieumwandlung, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH , Hahn-Meitner Platz 1, 14109 Berlin, Germany
- Max Planck Institute for the Science of Light , Günther-Scharowsky-Str. 1, 91058 Erlangen, Germany
| | - B Hoffmann
- Institute of Optics, Information and Photonics, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) , Staudtstr. 7/B2, 91058 Erlangen, Germany
- Max Planck Institute for the Science of Light , Günther-Scharowsky-Str. 1, 91058 Erlangen, Germany
| | - M Bashouti
- Max Planck Institute for the Science of Light , Günther-Scharowsky-Str. 1, 91058 Erlangen, Germany
| | - M Göbelt
- Max Planck Institute for the Science of Light , Günther-Scharowsky-Str. 1, 91058 Erlangen, Germany
| | - M Heilmann
- Max Planck Institute for the Science of Light , Günther-Scharowsky-Str. 1, 91058 Erlangen, Germany
| | - M Latzel
- Institute of Optics, Information and Photonics, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) , Staudtstr. 7/B2, 91058 Erlangen, Germany
- Max Planck Institute for the Science of Light , Günther-Scharowsky-Str. 1, 91058 Erlangen, Germany
| | - E Butzen
- Max Planck Institute for the Science of Light , Günther-Scharowsky-Str. 1, 91058 Erlangen, Germany
| | - S Figge
- Institute of Solid State Physics, University of Bremen , Otto-Hahn-Allee 1, 28359 Bremen, Germany
| | - A Gust
- Institute of Solid State Physics, University of Bremen , Otto-Hahn-Allee 1, 28359 Bremen, Germany
| | - K Höflich
- Institut für Nanoarchitekturen für die Energieumwandlung, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH , Hahn-Meitner Platz 1, 14109 Berlin, Germany
- Max Planck Institute for the Science of Light , Günther-Scharowsky-Str. 1, 91058 Erlangen, Germany
| | - T Feichtner
- Institut für Nanoarchitekturen für die Energieumwandlung, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH , Hahn-Meitner Platz 1, 14109 Berlin, Germany
- Max Planck Institute for the Science of Light , Günther-Scharowsky-Str. 1, 91058 Erlangen, Germany
| | - M Büchele
- Max Planck Institute for the Science of Light , Günther-Scharowsky-Str. 1, 91058 Erlangen, Germany
| | - K Schwarzburg
- Institut für Nanoarchitekturen für die Energieumwandlung, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH , Hahn-Meitner Platz 1, 14109 Berlin, Germany
| | - E Spiecker
- Institut für Mikro- und Nanostrukturforschung & Center for Nanoanalysis and Electron Microscopy (CENEM), Friedrich-Alexander-University Erlangen-Nürnberg (FAU) , Cauerstr. 6, 91058 Erlangen, Germany
| | - S Christiansen
- Institut für Nanoarchitekturen für die Energieumwandlung, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH , Hahn-Meitner Platz 1, 14109 Berlin, Germany
- Max Planck Institute for the Science of Light , Günther-Scharowsky-Str. 1, 91058 Erlangen, Germany
- Physics Department, Freie Universität Berlin , Arnimallee 14, 14195 Berlin, Germany
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Wernike K, Beer M, Hoffmann B. Schmallenberg Virus Infection Diagnosis: Results of a German Proficiency Trial. Transbound Emerg Dis 2016; 64:1405-1410. [DOI: 10.1111/tbed.12517] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Indexed: 11/27/2022]
Affiliation(s)
- K. Wernike
- Institute of Diagnostic Virology; Friedrich-Loeffler-Institut; Greifswald - Insel Riems Germany
| | - M. Beer
- Institute of Diagnostic Virology; Friedrich-Loeffler-Institut; Greifswald - Insel Riems Germany
| | - B. Hoffmann
- Institute of Diagnostic Virology; Friedrich-Loeffler-Institut; Greifswald - Insel Riems Germany
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Schlottau K, Schulze C, Bilk S, Hanke D, Höper D, Beer M, Hoffmann B. Detection of a Novel Bovine Astrovirus in a Cow with Encephalitis. Transbound Emerg Dis 2016; 63:253-9. [PMID: 26948516 DOI: 10.1111/tbed.12493] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [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: 12/18/2015] [Indexed: 02/06/2023]
Abstract
Encephalitis can be caused by several infectious agents, including bacteria, fungi, parasites and viruses. In many cases, the causative agent cannot be identified, because the pathogens are unknown or detection methods are not routinely available. In our case, a 15-month-old cow developed central nervous disorders and died within 6 days after the onset of clinical signs. The histopathology revealed an acute encephalitis, predominantly in the brain stem, and a ganglionitis of the trigeminal ganglion with massive neuronal necroses in both the brain and the ganglion. However, a relevant panel of bacterial and viral infections of cattle could be routinely excluded. Therefore, a brain sample from the cow was analysed using a metagenomics approach with next-generation sequencing. A novel bovine astrovirus (BoAstV-BH89/14) could be identified using the analysis pipeline RIEMS, and the finding could be confirmed with a specific BoAstV RT-qPCR. The genome of the bovine astrovirus (BoAstV), belonging to the family Astroviridae in the genus Mamastrovirus, has a length of 6478 bp. Sequence identities between 71% to a sheep astrovirus and 69% to two recently described bovine astroviruses from the USA and Switzerland were ascertained. The latter were also connected to encephalitis cases in cattle. Like these, the new virus described here was detected in different brain sections using the specific BoAstV RT-qPCR and fluorescent in situ hybridization. In conclusion, while astroviruses so far were mainly found in relation to gastroenteritis in animals and humans, recently detected astrovirus infections were also related to encephalitis.
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Affiliation(s)
- K Schlottau
- Friedrich-Loeffler-Institut, Institute of Diagnostic Virology, Greifswald-Insel Riems, Germany
| | - C Schulze
- Berlin-Brandenburg State Laboratory, Frankfurt (Oder), Germany
| | - S Bilk
- Berlin-Brandenburg State Laboratory, Frankfurt (Oder), Germany
| | - D Hanke
- Friedrich-Loeffler-Institut, Institute of Diagnostic Virology, Greifswald-Insel Riems, Germany
| | - D Höper
- Friedrich-Loeffler-Institut, Institute of Diagnostic Virology, Greifswald-Insel Riems, Germany
| | - M Beer
- Friedrich-Loeffler-Institut, Institute of Diagnostic Virology, Greifswald-Insel Riems, Germany
| | - B Hoffmann
- Friedrich-Loeffler-Institut, Institute of Diagnostic Virology, Greifswald-Insel Riems, Germany
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Hoffmann B, Bashouti MY, Feichtner T, Mačković M, Dieker C, Salaheldin AM, Richter P, Gordan OD, Zahn DRT, Spiecker E, Christiansen S. New insights into colloidal gold flakes: structural investigation, micro-ellipsometry and thinning procedure towards ultrathin monocrystalline layers. Nanoscale 2016; 8:4529-4536. [PMID: 26661036 DOI: 10.1039/c5nr04439a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
High-quality fabrication of plasmonic devices often relies on wet-chemically grown ultraflat, presumably single-crystalline gold flakes due to their superior materials properties. However, important details about their intrinsic structure and their optical properties are not well understood yet. In this study, we present a synthesis routine for large flakes with diameters of up to 70 μm and an in-depth investigation of their structural and optical properties. The flakes are precisely analyzed by transmission electron microscopy, electron backscatter diffraction and micro-ellipsometry. We found new evidence for the existence of twins extending parallel to the Au flake {111} surfaces which have been found to not interfere with the presented nanopatterning. Micro-Ellipsometry was carried out to determine the complex dielectric function and to compare it to previous measurements of bulk single crystalline gold. Finally, we used focused ion beam milling to prepare smooth crystalline layers and high-quality nanostructures with desired thickness down to 10 nm to demonstrate the outstanding properties of the flakes. Our findings support the plasmonics and nano optics community with a better understanding of this material which is ideally suited for superior plasmonic nanostructures.
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Affiliation(s)
- B Hoffmann
- Max Planck Institute for the Science of Light, D-91058 Erlangen, Germany.
| | - M Y Bashouti
- Max Planck Institute for the Science of Light, D-91058 Erlangen, Germany.
| | - T Feichtner
- Helmholtz Zentrum Berlin für Materialien und Energie GmbH, D-14109 Berlin, Germany and Max Planck Institute for the Science of Light, D-91058 Erlangen, Germany.
| | - M Mačković
- Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Lehrstuhl für Mikro- und Nanostrukturforschung (WW9) & Center for Nanoanalysis and Electron Microscopy, Department Werkstoffwissenschaften, D-91058 Erlangen, Germany
| | - C Dieker
- Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Lehrstuhl für Mikro- und Nanostrukturforschung (WW9) & Center for Nanoanalysis and Electron Microscopy, Department Werkstoffwissenschaften, D-91058 Erlangen, Germany
| | - A M Salaheldin
- Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Institute of Particle Technology, D-91058 Erlangen, Germany
| | - P Richter
- Semiconductor Physics, Technische Universität Chemnitz, D-09107 Chemnitz, Germany
| | - O D Gordan
- Semiconductor Physics, Technische Universität Chemnitz, D-09107 Chemnitz, Germany
| | - D R T Zahn
- Semiconductor Physics, Technische Universität Chemnitz, D-09107 Chemnitz, Germany
| | - E Spiecker
- Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Lehrstuhl für Mikro- und Nanostrukturforschung (WW9) & Center for Nanoanalysis and Electron Microscopy, Department Werkstoffwissenschaften, D-91058 Erlangen, Germany
| | - S Christiansen
- Helmholtz Zentrum Berlin für Materialien und Energie GmbH, D-14109 Berlin, Germany and Max Planck Institute for the Science of Light, D-91058 Erlangen, Germany.
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Flexeder C, Thiering E, Koletzko S, Berdel D, Lehmann I, Berg AV, Hoffmann B, Bauer CP, Heinrich J, Schulz H. Besteht ein Zusammenhang zwischen 25-Hydroxyvitamin D im Serum und Lungenfunktion im Jugendalter? Pneumologie 2016. [DOI: 10.1055/s-0036-1571973] [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: 10/22/2022]
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Raaschou-Nielsen O, Beelen R, Wang M, Hoek G, Andersen ZJ, Hoffmann B, Stafoggia M, Samoli E, Weinmayr G, Dimakopoulou K, Nieuwenhuijsen M, Xun WW, Fischer P, Eriksen KT, Sørensen M, Tjønneland A, Ricceri F, de Hoogh K, Key T, Eeftens M, Peeters PH, Bueno-de-Mesquita HB, Meliefste K, Oftedal B, Schwarze PE, Nafstad P, Galassi C, Migliore E, Ranzi A, Cesaroni G, Badaloni C, Forastiere F, Penell J, De Faire U, Korek M, Pedersen N, Östenson CG, Pershagen G, Fratiglioni L, Concin H, Nagel G, Jaensch A, Ineichen A, Naccarati A, Katsoulis M, Trichpoulou A, Keuken M, Jedynska A, Kooter IM, Kukkonen J, Brunekreef B, Sokhi RS, Katsouyanni K, Vineis P. Particulate matter air pollution components and risk for lung cancer. Environ Int 2016; 87:66-73. [PMID: 26641521 DOI: 10.1016/j.envint.2015.11.007] [Citation(s) in RCA: 139] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Revised: 11/05/2015] [Accepted: 11/09/2015] [Indexed: 05/06/2023]
Abstract
BACKGROUND Particulate matter (PM) air pollution is a human lung carcinogen; however, the components responsible have not been identified. We assessed the associations between PM components and lung cancer incidence. METHODS We used data from 14 cohort studies in eight European countries. We geocoded baseline addresses and assessed air pollution with land-use regression models for eight elements (Cu, Fe, K, Ni, S, Si, V and Zn) in size fractions of PM2.5 and PM10. We used Cox regression models with adjustment for potential confounders for cohort-specific analyses and random effect models for meta-analysis. RESULTS The 245,782 cohort members contributed 3,229,220 person-years at risk. During follow-up (mean, 13.1 years), 1878 incident cases of lung cancer were diagnosed. In the meta-analyses, elevated hazard ratios (HRs) for lung cancer were associated with all elements except V; none was statistically significant. In analyses restricted to participants who did not change residence during follow-up, statistically significant associations were found for PM2.5 Cu (HR, 1.25; 95% CI, 1.01-1.53 per 5 ng/m(3)), PM10 Zn (1.28; 1.02-1.59 per 20 ng/m(3)), PM10 S (1.58; 1.03-2.44 per 200 ng/m(3)), PM10 Ni (1.59; 1.12-2.26 per 2 ng/m(3)) and PM10 K (1.17; 1.02-1.33 per 100 ng/m(3)). In two-pollutant models, associations between PM10 and PM2.5 and lung cancer were largely explained by PM2.5 S. CONCLUSIONS This study indicates that the association between PM in air pollution and lung cancer can be attributed to various PM components and sources. PM containing S and Ni might be particularly important.
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Affiliation(s)
- O Raaschou-Nielsen
- Danish Cancer Society Research Center, Copenhagen, Denmark; Department of Environmental Science, Aarhus University, Roskilde, Denmark.
| | - R Beelen
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, The Netherlands
| | - M Wang
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, The Netherlands
| | - G Hoek
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, The Netherlands
| | - Z J Andersen
- Danish Cancer Society Research Center, Copenhagen, Denmark; Center for Epidemiology and Screening, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - B Hoffmann
- IUF-Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany; University of Düsseldorf, Düsseldorf, Germany
| | - M Stafoggia
- Department of Epidemiology, Lazio Regional Health Service, Local Health Unit ASL RME, Rome, Italy
| | - E Samoli
- Department of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - G Weinmayr
- IUF-Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany; University of Düsseldorf, Düsseldorf, Germany; Institute of Epidemiology and Medical Biometry, Ulm University, Ulm, Germany
| | - K Dimakopoulou
- Department of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - M Nieuwenhuijsen
- Center for Research in Environmental Epidemiology, Parc de Recerca Biomèdica de Barcelona, Barcelona, Spain
| | - W W Xun
- MRC-HPA Centre for Environment and Health, Department of Epidemiology and Biostatistics, Imperial College London, London, United Kingdom
| | - P Fischer
- National Institute for Public Health and the Environment, Center for Sustainability and Environmental Health, Bilthoven, The Netherlands
| | - K T Eriksen
- Danish Cancer Society Research Center, Copenhagen, Denmark
| | - M Sørensen
- Danish Cancer Society Research Center, Copenhagen, Denmark
| | - A Tjønneland
- Danish Cancer Society Research Center, Copenhagen, Denmark
| | - F Ricceri
- Unit of Cancer Epidemiology, AO Citta' della Salute e della Scienza, University of Turin and Center for Cancer Prevention, Turin, Italy
| | - K de Hoogh
- MRC-HPA Centre for Environment and Health, Department of Epidemiology and Biostatistics, Imperial College London, London, United Kingdom; Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland
| | - T Key
- Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom
| | - M Eeftens
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, The Netherlands; Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland
| | - P H Peeters
- Julius Center for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, The Netherlands; School of Public Health, Imperial College London, London, United Kingdom
| | - H B Bueno-de-Mesquita
- Department for Determinants of Chronic Diseases, National Institute for Public Health and the Environment, Bilthoven, The Netherlands; Department of Gastroenterology and Hepatology, University Medical Centre, Utrecht, The Netherlands; Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom; Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - K Meliefste
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, The Netherlands
| | - B Oftedal
- Norwegian Institute of Public Health, Oslo, Norway
| | - P E Schwarze
- Norwegian Institute of Public Health, Oslo, Norway
| | - P Nafstad
- Norwegian Institute of Public Health, Oslo, Norway; Institute of Health and Society, University of Oslo, Oslo, Norway
| | - C Galassi
- Unit of Cancer Epidemiology, AO Citta' della Salute e della Scienza, University of Turin and Center for Cancer Prevention, Turin, Italy
| | - E Migliore
- Unit of Cancer Epidemiology, AO Citta' della Salute e della Scienza, University of Turin and Center for Cancer Prevention, Turin, Italy
| | - A Ranzi
- Environmental Health Reference Centre, Regional Agency for Environmental Prevention of Emilia-Romagna, Modena, Italy
| | - G Cesaroni
- Department of Epidemiology, Lazio Regional Health Service, Local Health Unit ASL RME, Rome, Italy
| | - C Badaloni
- Department of Epidemiology, Lazio Regional Health Service, Local Health Unit ASL RME, Rome, Italy
| | - F Forastiere
- Department of Epidemiology, Lazio Regional Health Service, Local Health Unit ASL RME, Rome, Italy
| | - J Penell
- Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
| | - U De Faire
- Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
| | - M Korek
- Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
| | - N Pedersen
- Department of Medical Epidemiology and Biostatistics, Karolinska Institute, Stockholm, Sweden
| | - C-G Östenson
- Department of Molecular Medicine and Surgery, Karolinska Institute, Karolinska University Hospital, Stockholm, Sweden
| | - G Pershagen
- Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
| | - L Fratiglioni
- Aging Research Centre, Department of Neurobiology, Care Sciences and Society, Karolinska Institute and Stockholm University, Stockholm, Sweden
| | - H Concin
- Agency for Preventive and Social Medicine, Bregenz, Austria
| | - G Nagel
- Institute of Epidemiology and Medical Biometry, Ulm University, Ulm, Germany; Agency for Preventive and Social Medicine, Bregenz, Austria
| | - A Jaensch
- Institute of Epidemiology and Medical Biometry, Ulm University, Ulm, Germany
| | - A Ineichen
- Human Genetics Foundation, Molecular and Genetic Epidemiology Unit, Turin, Italy
| | - A Naccarati
- Human Genetics Foundation, Molecular and Genetic Epidemiology Unit, Turin, Italy
| | | | | | - M Keuken
- Netherlands Organisation for Applied Scientific Research, Utrecht, The Netherlands
| | - A Jedynska
- Netherlands Organisation for Applied Scientific Research, Utrecht, The Netherlands
| | - I M Kooter
- Netherlands Organisation for Applied Scientific Research, Utrecht, The Netherlands
| | - J Kukkonen
- Finnish Meteorological Institute, Helsinki, Finland
| | - B Brunekreef
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, The Netherlands; Julius Center for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - R S Sokhi
- Centre for Atmospheric and Instrumentation Research, University of Hertfordshire, College Lane, Hatfield, United Kingdom
| | - K Katsouyanni
- Department of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, Athens, Greece; Department of Primary Care and Public Health Sciences and Environmental Research Group, King's College London, United Kingdom
| | - P Vineis
- MRC-HPA Centre for Environment and Health, Department of Epidemiology and Biostatistics, Imperial College London, London, United Kingdom
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Berg A, Filipiak‐Pittroff B, Schulz H, Hoffmann U, Link E, Sußmann M, Schnappinger M, Brüske I, Standl M, Krämer U, Hoffmann B, Heinrich J, Bauer C, Koletzko S, Berdel D, Thiering E, Tiesler C, Flexeder C, Zeller C, Werkstetter K, Klümper C, Sugiri D. Allergic manifestation 15 years after early intervention with hydrolyzed formulas--the GINI Study. Allergy 2016; 71:210-9. [PMID: 26465137 PMCID: PMC4738469 DOI: 10.1111/all.12790] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [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] [Accepted: 10/11/2015] [Indexed: 01/14/2023]
Abstract
Background Data on the long‐term impact of hydrolyzed formulas on allergies are scarce. Objective To assess the association between early intervention with hydrolyzed formulas in high‐risk children and allergic outcomes in adolescence. Methods GINI trial participants (n = 2252) received one of four formulas in the first four months of life as breastmilk substitute if necessary: partial or extensive whey hydrolyzate (pHF‐W, eHF‐W), extensive casein hydrolyzate (eHF‐C) or standard cow′s milk formula (CMF) as reference. Associations between these formulas and the cumulative incidence and prevalence of parent‐reported physician‐diagnosed asthma, allergic rhinitis (AR) and eczema, as well as spirometric indices and sensitization, were examined using generalized linear models. Results Between 11 and 15 years, the prevalence of asthma was reduced in the eHF‐C group compared to CMF (odds ratio (OR) 0.49, 95% confidence interval (CI) 0.26–0.89), which is consistent with the spirometric results. The cumulative incidence of AR was lower in eHF‐C (risk ratio (RR) 0.77, 95% CI 0.59–0.99]) and the AR prevalence in pHF‐W (OR 0.67, 95% CI 0.47–0.95) and eHF‐C (OR 0.59, 95% CI 0.41–0.84). The cumulative incidence of eczema was reduced in pHF‐W (RR 0.75, 95% CI 0.59–0.96) and eHF‐C (RR 0.60, 95% CI 0.46–0.77), as was the eczema prevalence between 11 and 15 years in eHF‐C (OR 0.42, 95% CI 0.23–0.79). No significant effects were found in the eHF‐W group on any manifestation,nor was there an effect on sensitization with any formula. Conclusion In high‐risk children, early intervention using different hydrolyzed formulas has variable preventative effects on asthma, allergic rhinitis and eczema up to adolescence.
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Affiliation(s)
- A. Berg
- Department of Pediatrics Marien‐Hospital Wesel, Research Institute Wesel Germany
| | - B. Filipiak‐Pittroff
- Department of Pediatrics Marien‐Hospital Wesel, Research Institute Wesel Germany
| | - H. Schulz
- Institute of Epidemiology I Helmholtz Zentrum Munich German Research Center for Environmental Health (GmbH) Neuherberg Germany
- Comprehensive Pneumology Center Munich (CPC‐M) Munich Germany
| | - U. Hoffmann
- Institute of Epidemiology I Helmholtz Zentrum Munich German Research Center for Environmental Health (GmbH) Neuherberg Germany
- Department of Pediatrics Technical University of Munich Munich Germany
| | - E. Link
- IUF – Leibniz Research Institute for Environmental Medicine at the Heinrich‐Heine‐University Düsseldorf Germany
| | - M. Sußmann
- Institute of Epidemiology I Helmholtz Zentrum Munich German Research Center for Environmental Health (GmbH) Neuherberg Germany
| | - M. Schnappinger
- Institute of Epidemiology I Helmholtz Zentrum Munich German Research Center for Environmental Health (GmbH) Neuherberg Germany
| | - I. Brüske
- Institute of Epidemiology I Helmholtz Zentrum Munich German Research Center for Environmental Health (GmbH) Neuherberg Germany
| | - M. Standl
- Institute of Epidemiology I Helmholtz Zentrum Munich German Research Center for Environmental Health (GmbH) Neuherberg Germany
| | - U. Krämer
- IUF – Leibniz Research Institute for Environmental Medicine at the Heinrich‐Heine‐University Düsseldorf Germany
| | - B. Hoffmann
- IUF – Leibniz Research Institute for Environmental Medicine at the Heinrich‐Heine‐University Düsseldorf Germany
- Medical Faculty Deanery of Medicine Heinrich‐Heine University Düsseldorf Germany
| | - J. Heinrich
- Institute of Epidemiology I Helmholtz Zentrum Munich German Research Center for Environmental Health (GmbH) Neuherberg Germany
- Comprehensive Pneumology Center Munich (CPC‐M) Munich Germany
| | - C.‐P. Bauer
- Department of Pediatrics Technical University of Munich Munich Germany
- LVA Oberbayern Munich Germany
| | - S. Koletzko
- Dr von Hauner Children's Hospital Ludwig‐Maximilians‐University University of Munich Medical Center Munich Germany
| | - D. Berdel
- Department of Pediatrics Marien‐Hospital Wesel, Research Institute Wesel Germany
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Keijdener H, Biermann D, Hoffmann B, Vazquez-Jimenez J, Sachweh J, Jockenhoevel S, Mela P. The Biopacer: A Tissue-engineered Autologous Cardiac Conduit for the Restoration of Atrioventricular Conduction. Thorac Cardiovasc Surg 2016. [DOI: 10.1055/s-0036-1571694] [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: 10/22/2022]
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Thiering E, Brüske I, Kratzsch J, Hofbauer LC, Berdel D, von Berg A, Lehmann I, Hoffmann B, Bauer CP, Koletzko S, Heinrich J. Associations between serum 25-hydroxyvitamin D and bone turnover markers in a population based sample of German children. Sci Rep 2015; 5:18138. [PMID: 26667774 PMCID: PMC4678865 DOI: 10.1038/srep18138] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [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: 05/10/2015] [Accepted: 10/30/2015] [Indexed: 11/30/2022] Open
Abstract
Severe vitamin D deficiency is known to cause rickets, however epidemiological studies and RCTs did not reveal conclusive associations for other parameters of bone health. In our study, we aimed to investigate the association between serum levels of 25(OH) vitamin D and bone turnover markers in a population-based sample of children. 25(OH)D, calcium (Ca), osteocalcin (OC), and β-Crosslaps (β-CTx) were measured in 2798 ten-year-old children from the German birth cohorts GINIplus and LISAplus. Linear regression was used to determine the association between bone turnover markers and 25(OH)D levels. 25(OH)D, OC, and β-CTx showed a clear seasonal variation. A 10 nmol/l increase in 25(OH)D was significantly associated with a 10.5 ng/l decrease (p < 0.001) in β-CTx after adjustment for design, sex, fasting status, time of blood drawn, BMI, growth rate, and detectable testosterone/estradiol. For OC alone no significant association with 25(OH)D was observed, whereas the β-CTx-to-OC ratio was inversely associated with 25(OH)D (−1.7% change, p < 0.001). When stratifying the analyses by serum calcium levels, associations were stronger in children with Ca levels below the median. This study in school-aged children showed a seasonal variation of 25(OH)D and the bone turnover markers OC and β-CTx. Furthermore a negative association between 25(OH)D and the bone resorption marker β-CTx was observed.
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Affiliation(s)
- E Thiering
- Institute of Epidemiology I, Helmholtz Zentrum München- German Research Center for Environmental Health, Neuherberg, Germany.,Division of Metabolic and Nutritional Medicine, Dr. von Hauner Children's Hospital, University of Munich Medical Center, Munich, Germany
| | - I Brüske
- Institute of Epidemiology I, Helmholtz Zentrum München- German Research Center for Environmental Health, Neuherberg, Germany
| | - J Kratzsch
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University Hospital Leipzig, Leipzig, Germany
| | - L C Hofbauer
- Division of Endocrinology, Diabetes, and Bone Diseases, Dresden Technical University Medical Center, Dresden, Germany
| | - D Berdel
- Research Institute, Department of Pediatrics, Marien-Hospital Wesel, Wesel, Germany
| | - A von Berg
- Research Institute, Department of Pediatrics, Marien-Hospital Wesel, Wesel, Germany
| | - I Lehmann
- Department of Environmental Immunology, Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany
| | - B Hoffmann
- Medical School, the Heinrich Heine University of Düsseldorf, Düsseldorf, Germany and IUF Leibniz Research Institute for Environmental Medicine at the University of Düsseldorf, Düsseldorf, Germany
| | - C P Bauer
- Department of Pediatrics, Technical University of Munich, Munich, Germany
| | - S Koletzko
- Division of Pediatric Gastroenterology and Hepatology, Dr. von Hauner Children's Hospital, University of Munich Medical Center, Munich, Germany
| | - J Heinrich
- Institute of Epidemiology I, Helmholtz Zentrum München- German Research Center for Environmental Health, Neuherberg, Germany.,Institute and Outpatient Clinic for Occupational, Social and Environmental Medicine, University Hospital Munich, Ludwig Maximilians University Munich, Germany
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Varga RE, Khundadze M, Damme M, Nietzsche S, Hoffmann B, Stauber T, Koch N, Hennings JC, Franzka P, Huebner AK, Kessels MM, Biskup C, Jentsch TJ, Qualmann B, Braulke T, Kurth I, Beetz C, Hübner CA. In Vivo Evidence for Lysosome Depletion and Impaired Autophagic Clearance in Hereditary Spastic Paraplegia Type SPG11. PLoS Genet 2015; 11:e1005454. [PMID: 26284655 PMCID: PMC4540459 DOI: 10.1371/journal.pgen.1005454] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Accepted: 07/20/2015] [Indexed: 12/04/2022] Open
Abstract
Hereditary spastic paraplegia (HSP) is characterized by a dying back degeneration of corticospinal axons which leads to progressive weakness and spasticity of the legs. SPG11 is the most common autosomal-recessive form of HSPs and is caused by mutations in SPG11. A recent in vitro study suggested that Spatacsin, the respective gene product, is needed for the recycling of lysosomes from autolysosomes, a process known as autophagic lysosome reformation. The relevance of this observation for hereditary spastic paraplegia, however, has remained unclear. Here, we report that disruption of Spatacsin in mice indeed causes hereditary spastic paraplegia-like phenotypes with loss of cortical neurons and Purkinje cells. Degenerating neurons accumulate autofluorescent material, which stains for the lysosomal protein Lamp1 and for p62, a marker of substrate destined to be degraded by autophagy, and hence appears to be related to autolysosomes. Supporting a more generalized defect of autophagy, levels of lipidated LC3 are increased in Spatacsin knockout mouse embryonic fibrobasts (MEFs). Though distinct parameters of lysosomal function like processing of cathepsin D and lysosomal pH are preserved, lysosome numbers are reduced in knockout MEFs and the recovery of lysosomes during sustained starvation impaired consistent with a defect of autophagic lysosome reformation. Because lysosomes are reduced in cortical neurons and Purkinje cells in vivo, we propose that the decreased number of lysosomes available for fusion with autophagosomes impairs autolysosomal clearance, results in the accumulation of undegraded material and finally causes death of particularly sensitive neurons like cortical motoneurons and Purkinje cells in knockout mice. Autophagy is a degradative pathway for the removal and subsequent recycling of dysfunctional intracellular components. The material destined for degradation is initially enclosed by a double membrane, the autophagosome. In autolysosomes, which result from fusion of autophagosomes with lysosomes, the material is finally broken down. Recent in vitro data suggested that the protein Spatacsin plays a pivotal role in the regeneration of lysosomes from autolysosomes. Spatacsin is encoded by SPG11, the most common gene mutated in autosomal recessive hereditary spastic paraplegia. Here we show that mice devoid of Spatacsin develop symptoms consistent with spastic paraplegia and progressively loose cortical motoneurons and Purkinje cells. In these mice degenerating neurons have a reduced number of lysosomes available for fusion with autophagosomes and consequently accumulate autolysosome-derived material over time. In the long term this causes death of particularly sensitive neurons like cortical motoneurons and Purkinje cells.
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Affiliation(s)
- Rita-Eva Varga
- Institute of Human Genetics, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
- Institute of Clinical Chemistry, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
| | - Mukhran Khundadze
- Institute of Human Genetics, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
| | - Markus Damme
- Biochemical Institute, University of Kiel, Kiel, Germany
| | - Sandor Nietzsche
- Electron Microscopy Center, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
| | - Birgit Hoffmann
- Biomolecular Photonics Group, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
| | - Tobias Stauber
- Leibniz-Institut für Molekulare Pharmakologie (FMP) und Max-Delbrück Centrum für Molekulare Medizin (MDC), Berlin, Germany
| | - Nicole Koch
- Institute of Biochemistry I, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
| | - J. Christopher Hennings
- Institute of Human Genetics, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
| | - Patricia Franzka
- Institute of Human Genetics, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
| | - Antje K. Huebner
- Institute of Human Genetics, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
| | - Michael M. Kessels
- Institute of Biochemistry I, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
| | - Christoph Biskup
- Biomolecular Photonics Group, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
| | - Thomas J. Jentsch
- Leibniz-Institut für Molekulare Pharmakologie (FMP) und Max-Delbrück Centrum für Molekulare Medizin (MDC), Berlin, Germany
| | - Britta Qualmann
- Institute of Biochemistry I, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
| | - Thomas Braulke
- Department of Biochemistry, Children’s Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Ingo Kurth
- Institute of Human Genetics, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
| | - Christian Beetz
- Institute of Clinical Chemistry, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
| | - Christian A. Hübner
- Institute of Human Genetics, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
- * E-mail:
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Fuertes E, Standl M, von Berg A, Lehmann I, Hoffmann B, Bauer CP, Koletzko S, Berdel D, Heinrich J. Parental allergic disease before and after child birth poses similar risk for childhood allergies. Allergy 2015; 70:873-6. [PMID: 25764914 DOI: 10.1111/all.12609] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/10/2015] [Indexed: 11/30/2022]
Abstract
Whether the strength of associations between parental and child allergic diseases differs by whether the first onset of the parental disease is before or after a child's birth has never been examined and is the aim of this study. Yearly childhood asthma, allergic rhinitis, and eczema diagnoses were longitudinally regressed against the effect of a parental disease (pre- vs post-child birth) of the same type separately for each parent using generalized estimation equations. Both a maternal and paternal history of asthma were associated with childhood asthma prevalence up to 15 years of age. Effect estimates were similar for parental asthma with first onset before and after the birth of the child. The results for allergic rhinitis and eczema were less consistent. Parental allergic diseases with first onsets before and after the birth of a child both pose risks to childhood allergic disease in the offspring, especially for asthma.
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Affiliation(s)
- E. Fuertes
- Institute of Epidemiology I; Helmholtz Zentrum München - German Research Center for Environmental Health; Neuherberg Germany
| | - M. Standl
- Institute of Epidemiology I; Helmholtz Zentrum München - German Research Center for Environmental Health; Neuherberg Germany
| | - A. von Berg
- Department of Pediatrics; Research Institute; Marien-Hospital Wesel; Wesel Germany
| | - I. Lehmann
- Department of Environmental Immunology/Core Facility Studies; Helmholtz Centre for Environmental Research - UFZ; Leipzig Germany
| | - B. Hoffmann
- IUF - Leibniz Research Institute for Environmental Medicine; Düsseldorf Germany
- Medical Faculty; Heinrich-Heine University of Düsseldorf; Düsseldorf Germany
| | - C.-P. Bauer
- Department of Pediatrics; Technical University of Munich; Munich Germany
| | - S. Koletzko
- Division of Paediatric Gastroenterology and Hepatology; Ludwig Maximilians University of Munich; Dr. von Hauner Children's Hospital; Munich Germany
| | - D. Berdel
- Department of Pediatrics; Research Institute; Marien-Hospital Wesel; Wesel Germany
| | - J. Heinrich
- Institute of Epidemiology I; Helmholtz Zentrum München - German Research Center for Environmental Health; Neuherberg Germany
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Wrona M, Jöckel KH, Pannier F, Bock E, Hoffmann B, Rabe E. Association of Venous Disorders with Leg Symptoms: Results from the Bonn Vein Study 1. Eur J Vasc Endovasc Surg 2015; 50:360-7. [PMID: 26141786 DOI: 10.1016/j.ejvs.2015.05.013] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Accepted: 05/13/2015] [Indexed: 10/23/2022]
Abstract
OBJECTIVES The aim was to study the association between venous disorders and leg symptoms in the population based cross sectional Bonn Vein Study 1 (BVS1). METHODS A total of 1,350 men and 1,722 women aged 18-79 years were enrolled into BVS1. Chronic venous insufficiency (CVI), varicose veins (VVs), and clinical classes (C-classes/CEAP [Clinical, Etiological, Anatomical, and Pathophysiological]) were determined by clinical and duplex investigation. Leg symptoms (heaviness, tightness, swelling, pain after standing or sitting, pain while walking, muscle cramps, itching, and restless legs) were assessed in a standardized interview. For 2,624 subjects (48.7% male) with complete information on venous disorders, relevant characteristics and information on at least one leg symptom, multivariate logistic regression analysis was performed. RESULTS More women (929/63.0%) reported at least one leg symptom within the last 4 weeks than men (560/48.7%). Prevalence of reported symptoms increased with age (45.4% of the 18-29 year olds, 73.9% of the 70-79 year olds). Leg symptoms were more frequent in obese and underweight subjects. As confirmed by clinical and duplex examination 22.6% had VV and 15.8% had CVI. VV (OR: 1.4; CI: 1.1-1.7) and CVI (OR: 1.8; CI: 1.3-2.3) were significantly associated with reporting at least one leg symptom. In particular, there was a positive association of VV and CVI with itching, feeling of heaviness, tightness, swelling, and pain after standing or sitting. C2-C6 showed a statistically significant association with feeling of heaviness, tightness, swelling, and itching, while for pain on walking and muscle cramps this was shifted towards C classes C3-C6 and C3-C4, respectively. CONCLUSIONS Venous disorders show significant associations with several leg symptoms. Itching, feeling of heaviness, or tightness seem to be more closely related than other symptoms. The associations between C classes and symptoms seem to be restricted to classes C2 or higher.
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Affiliation(s)
- M Wrona
- Department of Dermatology, University of Bonn, Germany
| | - K-H Jöckel
- Institute of Medical Informatics, Biometry und Epidemiology, University of Essen, Germany
| | - F Pannier
- Department of Dermatology, University of Cologne, & Private Practice, Bonn, Germany
| | - E Bock
- Institute of Medical Informatics, Biometry und Epidemiology, University of Essen, Germany
| | - B Hoffmann
- Medical Faculty, Deanery of the Medical School, Heinrich-Heine University of Düsseldorf, Germany; IUF Leibniz Research Institute for Environmental Medicine, Heinrich-Heine University of Düsseldorf, Germany
| | - E Rabe
- Department of Dermatology, University of Bonn, Germany.
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