CAY10505 is a potent PI3Kγ inhibitor with an IC50 of 30 nM. Phosphoinositide 3-kinase γ (PI3Kγ) is expressed primarily in hematopoietic cells and plays several important roles in immunity. CAY10505 also prevents other α, β, and δ isoforms with IC50 of 0.94, 20, and 20 μM, respectively. CAY10505 significantly inhibits only the unrelated casein kinase 2 (CK2, IC50 = 20 nM). CAY10505 also suppress the phosphorylation of the PI3K substrate PKB/Akt in murine macrophages (IC50 = 228 nM). Oral administration of CAY10505 decreases neutrophil recruitment in mice to an extent that is comparable to that observed in PI3Kγ-deficient mice.
Molecular Weight | 289.28 |
Formula | C14H8FNO3S |
CAS Number | 1218777-13-9 |
Solubility (25°C) | DMSO 48 mg/mL |
Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
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