TABLE 2

Inhibition of endosulfan sulfate formation in HLMs by ketoconazole and ticlopidine

Inhibitors ketoconazole (KTZ; 10 μM) and ticlopidine (TCL; 5 μM) were used alone and combined for metabolism of endosulfan-α in six individual HLMs. Data are means of two independent measurements.


Inhibitor

Percentage Inhibition of Endosulfan Sulfate Formation
HG3
HG112
HG42
HG43
HG93
HK23
10 μM KTZ 23.8 ± 0.6 20.5a 8.6 ± 1.5 34.9 ± 4.7 37.6 ± 8.8 36.0 ± 0.2
5 μM TCL 67.8 ± 2.6 64.4 ± 0.5 79.2 ± 3.0 57.0 ± 0.4 38.6 ± 3.3 33.0 ± 4.8
5 μM TCL + 10 μM KTZ
92.3 ± 0.4
88.0 ± 1.3
91.5 ± 2.4
85.2 ± 0.6
75.6 ± 6.2
57.0 ± 0.6
  • a No replicate for this measurement due to insufficient HLM HG112 sample.