Abstract
Objective
Placental transfer of Levofloxacin (LF), a broad spectrum fluoroquinolone antibiotic, and its inhibition was investigated in BeWo cells, a human trophoblast cell line.
Methods
The experiments of LF uptake by BeWo cells were performed after preincubation and in the presence of the P-glycoprotein inhibitors (Cyclosporin A, Verapamil and Quercetin), the organic anion/cation transporter inhibitor (Cimetidine) and the MCT substrates (lactic acid and salicylic acid).
Results
P-glycoprotein inhibitors increased the uptake of LF by BeWo cells. The increase in LF accumulation by Cyclosporin A, Verapamil and Quercetin was by 30, 90 and 80%, respectively. Cimetidine, the organic cation inhibitor, increased the transport of LF by 48%. Lactic acid and salicylic acid, the MCT substrates, initially decreased the accumulation of LF by 30% and subsequently increased the uptake of LF by 500 and 53%, respectively.
Conclusions
The uptake of LF by human trophoblast cells is mediated by multiple transporters as well as passive diffusion.
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G. Holcberg and Z. Ben-Zvi contributed equally to this work.
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Polachek, H., Holcberg, G., Polachek, J. et al. Carrier-mediated uptake of Levofloxacin by BeWo cells, a human trophoblast cell line. Arch Gynecol Obstet 281, 833–838 (2010). https://doi.org/10.1007/s00404-009-1177-y
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DOI: https://doi.org/10.1007/s00404-009-1177-y