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. 2011 Mar;4(1):1–9. doi: 10.1111/j.1753-5174.2010.00032.x

Table 1.

Bidirectional transport of 25 and 100 µM ciprofloxacin in MDCKI and MDCKI-MDR1 cells

Papp × 10−7 (avg ± SD, n = 3, cm/s) B→A


Cell Line Concentration B→A A→B A→B
MDCKI 25 4.5 (0.4) 10.6 (1.2) 0.4
MDCKI 100 3.8 (0.4) 9.2 (0.9) 0.4
MDCKI 4°C 25 2.1 (0.7) 1.7 (0.4) 1.2
MDCKI-MDR1 25 35.4 (1.0) 3.5 (0.4) 10
MDCKI-MDR1 100 21.9 (1.4) 1.0 (0.03) 22
MDCKI-MDR1 4°C 25 1.3 (0.4) 1.1 (0.2) 1.2
No cells 25 128.3 (2.8 153.7 (30.9) 0.8