中文名称: PF-AKT400
英文名称: PF-AKT400
CAS No: 1004990-28-6
分子式: C20H22F2N6O
分子量: 400.43
P11734 PF-AKT400 ≥95% (psaitong)
包装规格:
5mg 10mg 50mg 100mg in glass bottle
溶解性:
溶于DMSO(≥100mg/mL)
产品描述:

基本信息

产品编号:

P11734

产品名称:

PF-AKT400

CAS:

1004990-28-6

 

储存条件

粉末

-20℃

四年

 

 

分子式:

C20H22F2N6O

溶于液体

-80℃

6个月

分子量:

400.43

-20℃

1个月

化学名: 

AKT protein kinase inhibitor;N-{[(3s)-3-Amino-1-(5-Ethyl-7h-Pyrrolo[2,3-D]pyrimidin-4-Yl)pyrrolidin-3-Yl]methyl}-2,4-Difluorobenzamide

Solubility (25°C):

 

体外:

 

DMSO

 

Ethanol

 

Water

 

体内(现配现用):

 

1mg/ml表示微溶或不溶。

普西唐提供的所有化合物浓度为内部测试所得,实际溶液度可能与公布值有所偏差,属于正常的批间细微差异现象。

请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;⼀旦配成溶液,请分装保存,避免反复冻融造成的产品失效。

 

制备储备液

 

浓度

 

溶液体积

质量

 

1mg

 

5mg

 

10mg

1mM

2.4973mL

12.4866mL

24.9732mL

5mM

0.4995mL

2.4973mL

4.9946mL

10mM

0.2497mL

1.2487mL

2.4973mL

 

生物活性

产品描述

一种有效的,ATP竞争性的选择性Akt抑制剂,对PKBα(IC50=0.5nM)的选择性比PKA (IC50=450nM)高900倍。

靶点

PKBα 0.5nM (IC50)

PKA 450nM (IC50)

 

体外研究

PF-AKT400 (Compound 42) provides significantly enhanced selectivity for Akt relative to earlier leads such as spiroindoline 2.Free IC50 and EC50 values are estimated for phospho-S6 reduction (110nM) and Akt hyperphosphorylation (216nM),respectively.These values corresponded well to the cellular IC50 for PF-AKT400 in U87 cells measuring p-GSK-3α(310nM).

体内研究

PF-AKT400 is subsequently evaluated for modulation of Akt in tumors and in multiple in vivo mouse models of antitumor efficacy.It is active in a PC3 prostate carcinoma xenograft experiment,with 75% TGI observed at 100mg/kg b.i.d.dosing for 10 days.In a colorectal carcinoma (Colo205) xenograft study,PF-AKT400 produces 60% TGI at 150mg/kg b.i.d.after 10 days.Most intriguingly,in combination with Rapamycin (10mg/kg,ip),75mg/kg b.i.d.(10 days) of PF-AKT400 results in 98% TGI in an additional PC3 prostate carcinoma xenograft study compared to 56% TGI and 66% TGI with PF-AKT400 and Rapamycin as single agents.To define the in vivo potency of PF-AKT400 (Compound 42) in the PC3 xenograft model, oral administration of 25,75,and 100mg/kg PF-AKT400 is performed with blood and tumor sampling over time.Immunoblot analysis of detergentsoluble extracts derived from PC3 tumors shows a significant reduction of S6 phosphorylation,and hyperphosphorylation of Akt upon treatment at doses that produced significant tumor growth inhibition.Plasma drug concentrations peak rapidly after oral administration of doses between 25-100mg/kg (Tmax=0.5h).Peak PD responses of phospho-S6 and phospho-Akt are observed at approximately 2-4h and 1h post-administration of PF-AKT400,respectively.The time-course of PD marker response is well described by a PK/PD model at doses that ranged from no efficacy (25mg/kg) to maximal efficacy (100mg/kg).

 

推荐实验方法(仅供参考)

激酶实验:

A fluorescence polarization IMAP type assay is used. An amount of 15μL of diluted PF-AKT400 (Compound 42) in DMSO is mixed with 60μL of reaction buffer (10mM Tris-HCl,pH 7.5,10mM MgCl2,0.1mM EGTA,0.01% Triton-X100,1mM DTT).Then 5μL of the compound/buffer mixture,10μL of a solution containing 4μM ATP and 40nM fluorescent-labeled Crosstide (Tamara-labeled GRPRTSSFAEG peptide),and 5μL of Akt1 protein (lacking the pleckstrin homology (PH) domain,containing an Asp at position 473,and prephosphorylated at Thr 308) in reaction buffer are combined.After a 90 min incubation,IMAP beads are added and plates are read (lamp filter,544nm;emission filter,615nm).The same procedure can be applied to full length Akt1 to provide similar results. All IC50 values are the geometric mean of at least n=2 determinations.

 

动物实验:

 

Mice

Studies to describe the PK/PD relationship for PF-AKT400 are performed in male SCID/Beige mice bearing subcutaneous PC3 prostate carcinoma xenografts.Once tumors reach about ~300mm3 in size,PF-AKT400 is formulated in 0.5% methylcellulose vehicle and administered orally to 3 mice per dose group.Plasma and tumors are harvested over time,tumor lysates prepared,and the levels of phospho S6 reduction and phospho Akt induction are evaluated by immunoblot.

保存条件:
-20℃
UN码:
HazardClass:
危害声明:
安全说明:
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