Table 2.
Expression of key ABC transporters associated with drug efflux at placental and blood–brain barriers in control tissue.
| Gene | Placenta | Brain | Choroid plexus | ||||||
|---|---|---|---|---|---|---|---|---|---|
| E19 | E19 | P5 | Adult (male) | Adult (female) | E19 | P5 | Adult (male) | Adult (female) | |
| Abcb1a | 79 | 8 | 12 | 51 | 50 | 2 | 2 | 2 | 1 |
| Abcb1b | 211 | 4 | 4 | 0.8 | 0.6 | 2 | 1 | 0.4 | 0.6 |
| Abcc1 | 48 | 22 | 23 | 7 | 7 | 32 | 28 | 88 | 102 |
| Abcc2 | 15 | 3 | 4 | 5 | 5 | 0.7 | 0.6 | 2 | 2 |
| Abcc3 | 12 | 1 | 1 | 1 | 2 | 9 | 10 | 2 | 2 |
| Abcc4 | 46 | 10 | 15 | 13 | 12 | 19 | 24 | 90 | 115 |
| Abcc5 | 32 | 90 | 62 | 107 | 116 | 77 | 60 | 52 | 45 |
| Abcg2 | 25 | 2 | 6 | 9 | 22 | 3 | 3 | 0.6 | 1 |
Values are average counts per million (CPM; n = 4) measured by RNAseq and analysed using EdgeR.