Perfluorooctanoic acid (PFOA, C8), perfluorononanoic acid (PFNA, C9), perfluorodecanoic acid (PFDA, C10), perfluoroundecanoic acid (PFUnDA, C11), and perfluorododecanoic acid (PFDoDA, C12), perfluorotetradecanoic acid (PFTeDA, C14), cyclosporin A, sodium azide (NaN
3), 2,4-dinitrophenol (DNP), Dulbecco's modified Eagle's medium (DMEM), tetrabutylammonium hydrogen sulfate and
benzyl bromide were purchased from Wako Pure Chemical Industries, Ltd. (Osaka, Japan). Perfluoropropionic acid (PFPrA, C3), perfluorobutanoic acid (PFBA, C4), perfluoropentanoic acid (PFPeA, C5), Perfluorohexanoic acid (PFHxA, C6), perfluoroheptanoic acid (PFHpA, C7), HPLC grade methanol and methyl
tert-butyl ether (MTBE) were obtained from Kanto Chemicals Co., Ltd. (Tokyo, Japan). Perfluorotridecanoic acid (PFTrDA, C13), sulfobromophthalein (BSP) and
glibenclamide were purchased from Sigma-Aldrich (St. Louis, MO). Fetal bovine serum (FBS) and nonessential amino acid (NEAA) were obtained from Life Technologies Co. (Carlsbad, CA). A mixture of
13C
2-labeled PFHxA,
13C
4-labeled PFOA,
13C
5-labeled PFNA,
13C
2-labeled PFDA,
13C
2-labeled PFUnDA and
13C
2-labeled PFDoDA were purchased from Wellington Laboratories Inc. (MPFAX-MXA; Guelph, Canada). All other chemicals used were of the highest purity commercially available.
Kimura O., Fujii Y., Haraguchi K., Kato Y., Ohta C., Koga N, & Endo T. (2020). Effects of perfluoroalkyl carboxylic acids on the uptake of sulfobromophthalein via organic anion transporting polypeptides in human intestinal Caco-2 cells. Biochemistry and Biophysics Reports, 24, 100807.