Table 3.

ABCB1 and ABCG2 mRNA levels following IL-6, TNF-α or IFN-ɣ (10³ pg/mL) treatment (4- or 24 h), measured using qPCR

	ABCB1		ABCG2
	4 h	24 h	4 h	24 h
Ctrl	1.00 ± 0.13	1.00 ± 0.06	1.00 ± 0.44	1.00 ± 0.04
IL-6	1.17 ± 0.06	0.63 ± 0.05***	1.40 ± 0.55	0.77 ± 0.04*
Ctrl	1.00 ± 0.13	1.00 ± 0.06	1.00 ± 0.22	1.00 ± 0.04
TNF-α	1.29 ± 0.12	0.85 ± 0.06	1.26 ± 0.09	1.09 ± 0.05
Ctrl	1.00 ± 0.13	1.00 ± 0.06	1.00 ± 0.22	1.00 ± 0.04
IFN-ɣ	0.95 ± 0.09	0.54 ± 0.08*	1.00 ± 0.07	1.05 ± 0.15

Statistical analysis: unpaired Student’s t-test. N = 4–5/group. Mean ± SEM. *p < 0.05 and ***p < 0.001 versus respective controls.