体外研究 (In Vitro) | CDK4/6-IN-10 (compouns 32) (1 μM) shows kinase selectivity with IC50s of 22 nM and 10 nM for CDK4 and CDK6, respectively[1]. CDK4/6-IN-10 (72 h) shows antiproliferative activity (GI50s of 2.028, 5.802, 2.286, 2.238, 1.526, 11.381 μM for RPMI-8226, U266, K562, HL-60, 22RV1, HEK-293 cells, respectively)[1]. CDK4/6-IN-10 (0, 1.5, 3, 6 μM, 24 h) induces cell cycle arrest at the G1 phase in a concentration-dependent manner[1]. CDK4/6-IN-10 ( 0, 1, 2, 3 μM, 24 h) induces apoptosis of RPMI-8226 cells in a concentration-dependent manner[1]. CDK4/6-IN-10 (0, 1.5, 3, 6 μM, 24 h) reduces the CDK4/6 activity by decreases the expression level of p-RB, c-MYC and BCL-2[1].
Cell Proliferation Assay[1] Cell Line: | RPMI-8226, U266, K562, HL-60, 22RV1, HEK-293 cells | Concentration: | | Incubation Time: | 72 h | Result: | Shows antiproliferative activity (GI50s of 2.028, 5.802, 2.286, 2.238, 1.526, 11.381 μM for RPMI-8226, U266, K562, HL-60, 22RV1, HEK-293 cells, respectively). |
Cell Cycle Analysis[1] Cell Line: | RPMI-8226 cells | Concentration: | 0, 1.5, 3, 6 μM | Incubation Time: | 24 h | Result: | Cells were arrested at the G1 phase in a concentration-dependent manner. |
Apoptosis Analysis[1] Cell Line: | RPMI-8226 cells | Concentration: | 0, 1.5, 3, 6 μM | Incubation Time: | 24 h | Result: | Reduced the CD4/K activity by decreased the expression level of p-RB, c-MYC and BCL-2. |
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体内研究 (In Vivo) | CDK4/6-IN-10 (1000, 5000, 10000 mg/kg; p.o.) shows safety profile with LD50much higher than 10,000 mg/kg[1]. CDK4/6-IN-10 (10 mg/kg; p.o.) shows oral bioavailability (F=51%) in SD rats[1]. CDK4/6-IN-10 (100, 200 mg/kg; p.o., once a day for 19 days) shows antitumor potency and favorable safety profile[1]. Pharmacokinetic Parameters of CDK4/6-IN-10 in SpragueeDawley rats[1].
Compd | Admin. | Cmax(ng/mL) | AUC0-t(h·ng/mL) | MRT0-t(h) | Tmax(h) | t1/2(h) | CL (mL/h/kg) | F (%) | 32 | i.v. | 355 | 960 | 5.9 | 0.033 | 8.9 | 641 | - | | p.o. | 257 | 4,878 | 12.8 | 10.7 | >24 | 524 | 51 |
SpragueeDawley rats, 10 mg/kg, p.o.
Animal Model: | ICR mice[1] | Dosage: | 1000, 5000, 10000 mg/kg | Administration: | p.o. | Result: | Showed safety profile with LD50much higher than 10,000 mg/kg. |
Animal Model: | SpragueeDawley rats[1] | Dosage: | 10 mg/kg | Administration: | p.o. | Result: | Showed oral bioavailability (F=51%). |
Animal Model: | BALB/c nude mice (6-8 weeks) (MM xenograft model)[1] | Dosage: | 100, 200 mg/kg | Administration: | p.o., once a day, 19 days | Result: | Showed antitumor potency and favorable safety profile. |
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