Introduction: Adalimumab and cyclosporine A are drugs used in moderate to severe forms of psoriasis. Despite the molecular orientation of the drugs, there is a loss of adequate cell sensitivity to the anti-cytokine therapy. Aim: To determine the changes in the gene expression profile associated with drug resistance in the culture of normal human dermal fibroblasts (NHDF) exposed to adalimumab or cyclosporine A compared to the controls. Material and methods: NHDF was exposed to adalimumab/cyclosporine A for 2, 8, 24 h compared to the control culture. Molecular analysis was performed using mRNA and miRNA microarray techniques. The obtained results were analysed using PL-Grid infrastructure (p < 0.05). Results: Of the 22277 ID mRNA, 47 are associated with drug resistance, of which the change in expression of 17 mRNA ID is statistically significant (p < 0.05). The greatest change in transcriptional activity (FC ≥ 1.3) was observed for GLO1, SLC10A3, TUFT1, STATH, ABCB1, AGTR1. Expression of these genes can be regulated by miR-199a-5p, miR-1231, miR-34a, miR-3188, and miR-106a (except AGTR1). Conclusions: The analysis of changes in the expression of mRNA and miRNA related to drug resistance gives the possibility of monitoring the effectiveness of anti-cytokine therapy.
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