TABLE 1 .
Physiochemical and biochemical assays for SMM-295
Assay | Species | Receptor | Parameter | Value | CB1/CB2 | Efflux Ratio (B-A/A-B) |
---|---|---|---|---|---|---|
Binding | Human | CB1 | Ki | 379 ± 53 nM | 31 | |
Human | CB2 | Ki | 12 ± 2.26 nM | |||
cAMP inhibition | Human | CB1 | EC50 | 1190 ± 22.1 nM | 66 | |
Human | CB2 | EC50 | 18.1 ± 1.45 nM | |||
Protein binding (% bound) | Human | >99.9 | ||||
Mouse | >99.9 | |||||
hERG (% inhibition) | Human | 10 μM | 4 ± 3 | |||
Human | 1 μM | <0.1% | ||||
Permeability | Human | Papp A →B | 5.2 ± 0.4 × 10−6 cm/s | 1.4 | ||
Human | Papp B → A | 7.1 ± 1.2 × 10−6 cm/s | ||||
Human | Papp A → B (+ verapamil) | 7.9 ± 0.1 × 10−6 cm/s | 0.9 | |||
Human | Papp B → A (+ verapamil) | 6.7 ± 0.2 × 10−6 cm/s |