Over-expression of ATP-binding cassette (ABC) transporter proteins has been implicated in resistance of ticks to acaricides. Tick cell lines are useful for investigating resistance mechanisms, as development of an in vitro model for the study of acaricide resistance would contribute to improving knowledge of the molecular basis behind drug processing and exclusion in ticks. In the present study, cultures of the Ixodes ricinus-derived cell line IRE/CTVM19 were treated with the acaricides amitraz, permethrin or fipronil to determine modulation of ABC transporter gene expression. Cells were treated with different drug concentrations (25, 50, 100, 150 μM) and incubated for ten days. Cell morphology, viability, metabolic activity and relative expression of ABC (B1, B6, B8 and B10) genes were determined at day 10 post-treatment.
Exposure to amitraz, fipronil and permethrin affects cell viability and ABC transporter gene expression in an Ixodes ricinus cell line / Mangia, Carlo; Vismarra, Alice; Genchi, Marco; Epis, Sara; Bandi, Claudio; Grandi, Giulio; Bell-Sakyi, Lesley; Otranto, Domenico; Passeri, Benedetta; Kramer, Laura. - In: PARASITES & VECTORS. - ISSN 1756-3305. - 11:1(2018), p. 437. [10.1186/s13071-018-3020-4]
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