Advanced in vitro exposure systems.

15. Mar. 2016

A Proposed In Vitro Method to Assess Effects of Inhaled Particles on Lung Surfactant Function

DOI: 10.1165/rcmb.2015-0294MA

Jorid B. Sørli1, Emilie Da Silva1, Per Bäckman2, Marcus Levin1, Birthe L. Thomsen1, Ismo K. Koponen1, and Søren T. Larsen1
1The National Research Centre for the Working Environment, Copenhagen, Denmark
2AstraZeneca, Mölndal, Sweden

This study has demonstrated that the modified CDS, a novel method that mimics the conditions for the lung surfactant, is a useful bioassay to assess the acute effects of dry powder aerosols on the lung. The in vitro method, based on the constrained drop surfactometer, different Turbuhaler as well as empty Turbuhaler filled with albumin or lactose were tested. A quartz crystal microbalance was fitted in the chamber to estimate the dose of the deposited particles.


Read more

Comments (0) Number of views (514)

14. Mar. 2016

Cellular Effects in an In Vitro Human 3D Cellular Airway Model and A549/BEAS-2B In Vitro Cell Cultures Following Air Exposure to Cerium Oxide Particles at an Air–Liquid Interface

DOI: 10.1089/aivt.2015.0030

Ingeborg M. Kooter,1 Mariska Gröllers-Mulderij,1 Maaike Steenhof,1 Evert Duistermaat,2 Frederique A.A. van Acker,2 Yvonne C.M. Staal,2 Peter C. Tromp,1 Eric Schoen,1 C. Frieke Kuper,1 and Eugene van Someren1

1The Netherlands Organisation for Applied Scientific Research, TNO, Utrecht, The Netherlands.
2TNO Triskelion BV, Zeist, The Netherlands.

BEAS-2B, A549, and MucilAir cells were exposed to CeO2 particles and are cultured at air–liquid interface. LDH, cytokine analysis, gene expression analyses, HO-1 analyses and Comet assay were used for evaluation. Cell responses in the MucilAir model exposed via air to CeO2 were minimal compared to those of the cell lines.

Read more

Comments (0) Number of views (982)

9. Mar. 2016

Toxicity testing of combustion aerosols at the air-liquid interface with a self-contained and easy-to-use exposure system

doi:10.1016/j.jaerosci.2016.02.005

Sonja Mülhopt a, i, Marco Dilger a, b, i, Silvia Diabaté b, i, Christoph Schlager a, i, Tobias Krebs c, i, Ralf Zimmermann d, h, i, Jeroen Buters e, i, Sebastian Oeder e, g, i, Thomas Wäscher f, Carsten Weiss b, i, Hanns-Rudolf Paur a, i

a Karlsruhe Institute of Technology, Institute for Technical Chemistry, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
b Karlsruhe Institute of Technology, Institute of Toxicology and Genetics, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
c Vitrocell Systems GmbH, Fabrik Sonntag 3, 79183 Waldkirch, Germany
d University of Rostock, Institute of Chemistry, Dr.-Lorenz-Weg 1, 18051 Rostock, Germany
e Center of Allergy & Environment (ZAUM), Technische Universität and Helmholtz Zentrum München, Biedersteiner Str. 29, 80802 München, Germany
f Ingenieurbüro für Energie- und Verfahrenstechnik, Von-Dalheim-Str. 2, 69231 Rauenberg, Germany
g Kühne Foundation, Christine Kühne Center for Allergy Research and Education (CK- CARE), München, Germany
h Cooperation Group “Comprehensive Molecular Analytics” – CMA, Helmholtz Zentrum München, 85764 Oberschleißheim/ Germany
i HICE – Helmholtz Virtual Institute of Complex Molecular Systems in Environmental Health – Aerosols and Health

 

Highlights

• We present a fully automated Air-Liquid-Interface Exposure System.
• System characterisation shows a high reproducibility.
• Wood combustion aerosol causes cytotoxicity in human lung epithelial cells.
• Gene regulation caused by ship diesel emissions in human lung epithelial cells.

Read more

Comments (0) Number of views (1466)

8. Jan. 2016

Carbonbeton – eine neue Art des Bauens

Projekt C³-Carbon Concrete Composite

VITROCELL® Systems GmbH ist Teil dieses größten Bauforschungsprojektes Deutschlands, dem Projekt C³-Carbon Concrete Composite. Zusammen mit mehr als 130 Partnern aus Forschung, Unternehmen und Verbänden wird im C³-Projekt einen neuer Materialverbund aus Carbonfasern und Hochleistungsbeton mit unserer Technologie getestet.

Read more

Comments (0) Number of views (2954)

31. Oct. 2015

Roflumilast partially reverses smoke-induced mucociliary dysfunction

DOI 10.1186/s12931-015-0294-3

Andreas Schmid, Nathalie Baumlin, Pedro Ivonnet, John S. Dennis, Michael Campos, Stefanie Krick and Matthias Salathe*

* Correspondence: msalathe@med.miami.edu
Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, University of Miami Miller School of Medicine, 1600 NW 10th Ave, RMSB #7058, Miami, FL 33136, USA

 

Primary normal human bronchial epithelial cells (NHBE) from non-smokers, cultured at the air-liquid interface (ALI), were exposed to cigarette smoke in a Vitrocell VC-10 smoking robot. The results show that roflumilast can rescue smoke-induced mucociliary dysfunction.Therefor the ELIZA Assay and qPCR were used.

Read more

Comments (0) Number of views (1401)

29. Sep. 2015

Assessment of a panel of interleukin-8 reporter lung epithelial cell lines to monitor the pro-inflammatory response following zinc oxide nanoparticle exposure

DOI 10.1186/s12989-015-0104-6

Linda C. Stoehr1,2†, Carola Endes3†, Isabella Radauer-Preiml1, Matthew S. P. Boyles1, Eudald Casals4, Sandor Balog5, Markus Pesch2, Alke Petri-Fink3, Barbara Rothen-Rutishauser3, Martin Himly1, Martin J. D. Clift3 and Albert Duschl1*

1Department of Molecular Biology, University of Salzburg, Hellbrunnerstrasse 34, 5020 Salzburg, Austria.

2Grimm Aerosol Technik GmbH & Co. KG, Ainring, Germany.
3BioNanomaterials, Adolphe Merkle Institute, Université de Fribourg, Fribourg, Switzerland.
4Institut Català de Nanotecnologia (ICN), Bellaterra, Spain.
5Soft Matter Scattering, Adolphe Merkle Institute, Université de Fribourg, Fribourg, Switzerland.
* Correspondence: albert.duschl@sbg.ac.at


The use of fluorescence-based reporter cell lines can provide a useful tool in screening the pro-inflammatory response following NP exposure in the air-liquid interface. The results are shown in the IL-8 assay, qRT-PCR ans ELISA.

Read more

Comments (0) Number of views (1530)

23. Sep. 2015

Toxicological validation during the development of new catalytic systems using air / liquid interface cell exposure system

EUROTOX 13.-16. September 2015

Authors

Y. Landkocz1, M. Al Zallouha1, J. Brunet2, R. Cousin2, J.M. Halket3, E. Genty2, D. Courcot1, S. Siffert2, P. Shirali1, S. Billet1

(1) UCEIV, Chimie et Toxicologie des Emissions Atmosphériques, EA4492, Dunkerque, France; Sylvain.Billet@univ-littoral.fr
(2) UCEIV, Traitement Catalytique et Energie Propre, EA4492, Dunkerque, France
(3) Mass Spectrometry Facility, King’s College, London, United Kingdom

 

The aim of this study was to determine the most efficient catalyst for toluene oxidation. Thereby A549 lung cells were exposed using an air/liquid interface (ALI) system and the results are performed with the LDH cytotoxicity test and XME gene expression measurement.

The suitability of using Vitrocell® system as an innovative, direct and dynamic model of ALI exposure in the development of new catalysts is successfully shown.

Read more

Comments (0) Number of views (1515)

23. Sep. 2015

Airway epithelium co-cultured with immune cells for a better assessment of the low dose effects of environmental pollutants

EUROTOX 13.-16. September 2015

Authors

Emilie RICQUEBOURG, Gabrielle VERNOUILLET, Isabelle MOMAS, Nathalie SETA, Sophie ACHARD

Public Health and Environment Laboratory, EA4064 - Paris Descartes University


Exposure of airborne pollutants to a 3D airway epithelial cell modell in the air-liquid interface to measure the epithelial thickness and the inflammatory respone with the IL-8 assay.

Winner of the price "AstraZeneca Young Investigator Prize for Innovation in Drug Discovery and Development"

Read more

Comments (0) Number of views (1371)

23. Sep. 2015

A comparative assessment of cigarette smoke aerosols using an in vitro air-liquid interface cytotoxicity test.

DOI:10.3109/08958378.2015.1080773

Authors

Thorne D, Dalrymple A, Dillon D, Duke M, Meredith C

British American Tobacco, Group R&D, Southampton, Hampshire, UK.

 

Evaluation of a modified air-liquid interface BALB/c 3T3 cytotoxicity method for the assessment of smoke aerosols in vitro. 

Read more

Comments (0) Number of views (1267)

12. Jul. 2015

Development of an in vitro cytotoxicity model for aerosol exposure using 3D reconstructed human airway tissue; application for assessment of e-cigarette aerosol

DOI:10.1016/j.tiv.2015.05.018

Authors

Louise Neilsona, Courtney Mankusb, David Thornea, George Jacksonb, Jason DeBayb, Clive Mereditha

a British American Tobacco, Group Research and Development, Regents Park Road, Southampton, Hampshire SO15 8TL, United Kingdom
b MatTek Corporation, 200 Homer Avenue, Ashland, MA 01721, United States

 

The presentation of a new highly differentiated 3D airway culture, grown and exposed in the VITROCELL® system, shows an successful compatibility of the tissue and the VITROCELL® system for testing e-cigarettes. The results are shown with the MTT assay for cell viability and measurement of TEER.

Read more

Comments (0) Number of views (1642)
RSS
First45678910111213Last
Back to Top