Table 2.
Pharmacological selectivity of AF-353
| Receptor | n | pIC50 ± SEMa | 
|---|---|---|
| hP2X3 | 3 | 8.06 ± 0.15 | 
| rP2X3 | 9 | 8.05 ± 0.03 | 
| hP2X2/3 | 9 | 7.41 ± 0.08 | 
| hP2X1 | 3 | <5 | 
| hP2X2 | 3 | <5 | 
| hP2X4 | 3 | <5 | 
| rP2X5 | 3 | <5 | 
| hP2X7 | 3 | <5 | 
Potency estimates for all of the P2X channels were obtained from FLIPR experiments using recombinant cell lines.