Table 8. Inhibition Constant (Ki) Values (n = 1) of 21 and Tau Radioligands in AD, PSP, and CBD Brain Homogenates.
AD tissue | PSP tissue | CBD tissue | ||
---|---|---|---|---|
radioligand | competitor | Ki (nM) | Ki (nM) | Ki (nM) |
[3H]PM-PBB3 | 21 | 22 | 18 | 19 |
[3H]CBD-2115 | 21 | 270 | 270 | 230 |
[3H]PI-2620 | 21 | 100 | 93 | 110 |