Positive controls use for performance evaluation of an in vitro test system designed for the prediction of chemical respiratory sensitizers

March 12, 2024

Poster, SOT 63rd Annual Meeting and ToxExpo, March 10–14, 2024, Salt Lake City, Utah.

Sabina Burla1,2, Aline Chary1, Pamina Weber1, Tommaso Serchi1, Arno C. Gutleb1,2
1 Luxembourg Institute of Science and Technology (LIST), Belvaux, Luxembourg;
2 invitrolize sarl, Belvaux, Luxembourg; a Current affiliation: invitrolize sarl, Belvaux, Luxembourg;

The objective of the study was to evaluate the responsiveness of an in vitro test system designed for the prediction of chemical respiratory sensitizers – ALIsens® (Figure 3f) (Chary et al., 2019). The cellular arrangement enables the development of a tissue microenvironment (Figure 1) achieved by direct communication between cells (Figure 2) and indirectly via secreted messenger molecules. Additionally, it facilitates the exposure to respiratory sensitizers in a realistic approach, at the air-liquid-interface (ALI), as well as in submerged conditions.

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