Table 2.

Tissue mRNA expression of human MRP1–MRP9 and CFTR.

Tissues	MRP1	MRP2	MRP3	MRP4	MRP5	MRP6	MRP7	MRP8	MRP9	CFTR
Adrenal Glands	X		X	X	X	X
Bladder	X			X	X
Brain	X	X		X	X	X	X	X		X
Breast	X	X			X	X		X	X
Colon	X	X	X	X	X	X				X
Gallbladder		X	X							X
Heart	X				X	X	X			X
Kidney	X	X	X	X	X	X	X			X
Liver	X(Low)	X	X	X(Low)	X	X	X	X		X
Lung	X	X	X	X	X	X				X(Low)
Ovary	X			X	X
Pancreas	X		X	X	X	X				X
Placenta	X	X	X	X	X			X		X
Prostate	X		X	X	X			X		X
Skeletal Muscle	X			X	X	X
Skin	X		X	X	X	X	X
Small Intestine	X	X	X	X	X	X				X
Spleen	X				X	X	X
Stomach	X					X				X
Sweat gland										X
Testis	X			X	X	X	X	X	X	X
Thymus	X				X

mRNA detection is indicated by (X); however, please note that the absence of an (X) does not exclude gene expression, as this may have not yet been examined. Data were obtained from Beck et al., 2005; Deeley et al., 2006; Dreuw et al., 2005; Duan et al., 2005; Englund et al., 2006; Hihnala et al., 2006; Kruh et al., 2007a; Lacueva et al., 2005; Leslie et al., 2005; McCarthy et al., 2005; Morales et al., 1996; Mylona et al., 1996; Patrizio et al., 1998; Scheffer et al., 2002; Serrano et al., 2007; Strong et al., 1994; Taipalensuu et al., 2001; Torky et al., 2005; Zimmermann et al., 2005.