Extended applicability domain with new solvent selection for the GARD platform

Jenvert RM, Larne O, TorstensdotterMattssonU. I., Johansson H, SenzaGen, Lund, Sweden Introduction The Genomic Allergen Rapid Detection (GARD) assay is a state of the art in vitro assay developed for the assessment of skin sensitizers. It is based on gene expression analysis of SenzaCells, a human myeloid cell line, after stimulation by the test item. During […]

Jenvert RM, Larne O, TorstensdotterMattssonU. I., Johansson H, SenzaGen, Lund, Sweden

Introduction
The Genomic Allergen Rapid Detection (GARD) assay is a state of the art in vitro assay developed for the assessment of skin sensitizers. It is based on gene expression analysis of SenzaCells, a human myeloid cell line, after stimulation by the test item.
During the development of the GARD platform, two solvents were used; DMSO (0.1%) and Water. To increase the applicability domain of GARD® and the solubility of certain test items, for e.g. Medical Device extracts and UVCBs, we here show a broader range of solvents compatible with GARD.

Conclusions
Here, we show that the GARD® platform is compatible with the following solvents:
• Acetone
• Ethanol
• Glycerol
• Super refined olive oil

• DMF
• DMSO
• Water
• Isopropanol

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