PD0166285, a substrate of P-gp, is a WEE1 inhibitor and a weak Myt1 inhibitor with IC50 values of 24 and 72 nM, respectively. PD0166285 exhibits an IC50 of 3.433 μM for Chk1.
体外研究
PD0166285 (0.5 μM) dramatically inhibits irradiation-induced Cdc2 phosphorylation at the Tyr-15 and Thr-14 in seven of seven cancer cell lines.
PD0166285 sensitizes radiation-induced cell killing in p53 mutant HT29 cells and in the E6-transfected, p53-null ovarian cancer cell line PA-1 but to a lesser extent in p53 wild-type PA-1 cells. PD0166285 abrogates irradiation-induced G2 arrest and significantly increases mitotic cell populations.
PD0166285 acts as a radiosensitizer to sensitize cells to radiation-induced cell death with a sensitivity enhancement ratio of 1.23.
Western Blot Analysis
Cell Line:
Human and mouse cancer cell lines (HCT116, HT29, DLD-1, HCT8, H460, HeLa, C 26).
Concentration:
0.5 μM.
Incubation Time:
4 h.
Result:
Inhibited Cdc2Y15 and CdcT14 phosphorylation.
体内研究
Animal Model:
Wild-type, Abcg2, Abcb1a/b and Abcb1a/b;Abcg2 FVB mice.
Dosage:
5 mg/kg.
Administration:
IV.
Result:
Cmax is about 400 ng/mL.
P-gp, but not BCRP, limited the brain penetration of PD0166285.
分子式
C26H27Cl2N5O2
分子量
512.43
CAS号
185039-89-8
运输条件
Room temperature in continental US; may vary elsewhere.