Table 5. Antibody concentrations used for flow cytometry analysis of multidrug resistance proteins expressed by endothelial cells.

	Anti-MDR1			Anti-MRP1		Anti-MRP4		Anti- MRP5	Anti -BCRP
1 st Ab	MDR1/1	MDR1/2	MDR1/3	MRP1/1	MRP1/2	MRP4/1	MRP4/2	MRP5/1	BCRP/1	BCRP/2
	1:50	1:50	1:5000	1:50	1:10000	1:100	1:100	1:100	1:50	1:100
2nd Ab			FITC anti-mouse		FITC anti-mouse	Alexa488 anti-rat	FITC anti-rabbit	Alexa488 anti-rat		FITC anti-mouse
			1:200		1:200	1:200	1:200	1:200		1:200