-
生物活性
A-485 is a potent and selective catalytic inhibitor of p300/CBP with IC50s of 9.8 nM and 2.6 nM for p300 and CBP histone acetyltransferase (HAT), respectively
-
体外研究
A three-hour treatment of prostate adenocarcinoma PC-3 cells with A-485 results in a dose-dependent decrease in H3K27Ac, with a half maximal effective concentration (EC50) of 73 nM. Treatment with A-485 does not alter p300 or CBP protein levels.The broadest sensitivity is observed in haematological tumours, where A-485 exhibits potent activity in most multiple myeloma cell lines, and in a subset of acute myeloid leukaemia lines and non-Hodgkin’s lymphoma lines. A-485 induces a comparable decrease in H3K27Ac in all five prostate cancer cell lines
-
体内研究
After tumours are established in SCID male mice, twice daily intraperitoneal injections of A-485 induce 54% tumour growth inhibition after 21 days of dosing (P<0.005 as compare to vehicle control). In addition, in tumour-bearing animals, dosing with A-485 for seven days induces a decrease in the mRNA levels of MYC and the AR-dependent gene SLC45A3 at three hours post-dosing, and (for MYC) a decrease in the protein level, indicating that A-485 inhibits p300-mediated transcriptional activity in vivo. However, at 16 hours post-dosing on the seventh day, A-485 drug levels in the plasma and tumour are decreased as compare to 3 hours. A-485 induces a moderate 9% body weight loss, and the animals recover rapidly upon completion of the A-485 dosing regimen
-
激酶实验
-
细胞实验
-
动物实验
-
不同实验动物依据体表面积的等效剂量转换表（数据来源于FDA指南）
|  动物 A (mg/kg) = 动物 B (mg/kg)×动物 B的Km系数/动物 A的Km系数 |
|
例如，已知某工具药用于小鼠的剂量为88 mg/kg , 则用于大鼠的剂量换算方法：将88 mg/kg 乘以小鼠的Km系数（3），再除以大鼠的Km系数（6），得到该药物用于大鼠的等效剂量44 mg/kg。
-
参考文献
1.Discovery of a selective catalytic p300/CBP inhibitor that targets lineage-specific tumours. Nature. 2017 Oct 5;550(7674):128-132.
分子式
C25H24F4N4O5 |
分子量
536.48 |
CAS号
1889279-16-6 |
储存方式
-20°C |
溶剂（常温）
|
DMSO
97.41(Max Conc. mg/mL);181.57(Max Conc. mM) |
Water
|
Ethanol
57.88(Max Conc. mg/mL);107.89(Max Conc. mM) |
体内溶解度
-
Clinical Trial Information ( data from http://clinicaltrials.gov )
注：以上所有数据均来自公开文献，并不保证对所有实验均有效，数据仅供参考。
-
相关化合物库
-
使用AMQUAR产品发表文献后请联系我们
