Organic anion transporters | | | | | | |
OAT3 | 31.3 ± 0.4 | 33.7 ± 0.5 | 8.14 ± 0.13 | 1.12 ± 0.02 | −0.229 ± 0.014 | CSF-facing |
MRP4 | 0.634 ± 0.104 | 0.696 ± 0.085 | 0.520 ± 0.061 | −0.174 ± 0.364 | 1.37 ± 0.36 | Blood-facing |
MRP3 | 1.26 ± 0.01 | 1.64 ± 0.26 | 0.433 ± 0.012 | 0.834 ± 0.080 | 0.0450 ± 0.0332 | CSF-facing |
OATP2B1 | 1.36 ± 0.23 | 1.35 ± 0.04 | 0.914 ± 0.028 | 0.106 ± 0.242 | 1.07 ± 0.23 | Blood-facing |
Peptide transporter | | | | | | |
PEPT2 | 7.99 ± 0.11 | 8.27 ± 0.25 | 2.74 ± 0.15 | 0.913 ± 0.035 | 0.0503 ± 0.0366 | CSF-facing |
Organic cation transporters | | | | | | |
OCT2 | 23.0 ± 0.4 | 20.3 ± 0.0 | 6.92 ± 0.16 | 1.10 ± 0.02 | −0.0976 ± 0.0152 | CSF-facing |
MATE1 | 1.76 ± 0.00 | 2.33 ± 0.18 | 1.40 ± 0.05 | −0.0991 ± 0.0266 | 1.20 ± 0.08 | Blood-facing |
Lipophilic drug transporter | | | | | | |
BCRP | 8.12 ± 0.05 | 14.8 ± 0.2 | 7.39 ± 0.11 | −0.253 ± 0.042 | 1.25 ± 0.05 | Blood-facing |
Transporters for energy-related compounds | | | | | | |
GLUT1 | 45.6 ± 0.5 | 66.0 ± 1.0 | 35.2 ± 0.6 | −0.0617 ± 0.0553 | 1.11 ± 0.06 | Blood-facing |
MCT1 | 1.34 ± 0.09 | 1.44 ± 0.04 | 0.345 ± 0.023 | 1.13 ± 0.06 | −0.241 ± 0.023 | CSF-facing |
MCT4 | 0.660 ± 0.014 | 0.489 ± 0.060 | 0.201 ± 0.007 | 1.17 ± 0.09 | −0.0883 ± 0.0596 | CSF-facing |
Cystine transporter | | | | | | |
xCT | 21.4 ± 0.4 | 26.5 ± 0.4 | 5.20 ± 0.12 | 1.09 ± 0.01 | −0.271 ± 0.007 | CSF-facing |
4F2hc | 93.2 ± 1.0 | 95.8 ± 0.4 | 46.0 ± 0.1 | 0.533 ± 0.036 | 0.528 ± 0.045 | Both sides |
Thyroid hormone transporter | | | | | | |
MCT8 | 3.79 ± 0.18 | 3.99 ± 0.50 | 1.03 ± 0.13 | 1.13 ± 0.16 | −0.209 ± 0.127 | CSF-facing |
Vascular endothelial cell marker protein | | | | | | |
PECAM1 | 1.95 ± 0.04 | 3.21 ± 0.10 | 2.09 ± 0.04 | −0.490 ± 0.022 | 1.60 ± 0.05 | — |
Astrocyte marker protein | | | | | | |
GFAP | 24.6 ± 0.4 | 21.8 ± 0.6 | 9.83 ± 0.11 | 0.815 ± 0.066 | 0.253 ± 0.059 | — |
CSF-facing plasma membrane marker transporter at the BAB | | | | | | |
OAT1 | 137 ± 1 | 127 ± 1 | 44.9 ± 0.6 | 1 | 0 | — |
Blood (dura)-facing plasma membrane marker transporter at the BAB | | | | | | |
MDR1 | 7.49 ± 0.21 | 11.6 ± 0.4 | 5.53 ± 0.09 | 0 | 1 | — |