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. Desensitisation is a therapeutic method of allergic disease treatment, but its impact on the cellular level remains to be elucidated. The purpose of this study was to identify the influence of house dust extract on two cell lines types: non-small lung cancer A549 and non-cancerous lung fibroblast Mrc5. Furthermore, we analysed cell viability, type of cell death, and reorganisation of mainly cytoskeletal proteins such as vimentin, F-actin, and b-tubulin. Material and methods. To determine the cell viability, the MTT test was used. The type of cell death was analysed using double staining of annexin V and iodide propidium. The reorganisation of cytoskeletal proteins was evaluated by fluorescent staining and microscopy observation. Results. Our data presented non-statistical differences in a population of live, apoptotic, and necrotic cells. We did not observe significant abnormalities in cytoskeletal reorganisation. Moreover, Mrc5 cell line exhibited a lower sensitivity for house dust extract in comparison to A549 cell line. Conclusions. Our study suggests that desensitisation has no significant influence on survival and cytoskeleton in both cell lines, which correlate with potential use of this method in cancer patients. Obviously, the choice of these kinds of treatment should be used carefully in consultation with a specialist. Additionally, to our knowledge, it was the first presentation of the influence of house dust extract on cells in the context of the main cytoskeletal reorganisations.

The influence of house dust extract on normal lung cell Mrc5 and non-small lung carcinoma A549