
Chemical Name: | (5-(2,4-bis((S)-3-methylmorpholino)pyrido[2,3-d]pyrimidin-7-yl)-2-methoxyphenyl)methano |
Molecular Weight: | 465.54 |
Formula: | C25H31N5O4 |
Purity: | ≥ 98% |
CAS#: | 1009298-09-2 |
Solubility: | DMSO up to 100 mM |
Storage: | Powder:4oC 1 year DMSO:4oC3 month-20oC 1 year |
AZD8055 is a highly potent, selective and ATP-competitive mTOR inhibitor (IC50 = 0.8 nM). It has >1,000-fold selectivity against all PI3K isoforms (α, β, γ, δ) and other members of the PI3K-like kinase family (ATM and DNA-PK). It has no significant activity against a panel of 260 kinases at concentrations up to 10 µM. AZD8055 inhibits the phosphorylation of mTORC1 downstream targets (p70S6K and 4E-BP1) as well as phosphorylation of the mTORC2 downstream proteins (e.g., Akt). The rapamycin-resistant T37/46 phosphorylation sites on 4E-BP1 can be fully inhibited by AZD8055, resulting in significant inhibition of cap-dependent translation. AZD8055 potently inhibits proliferation of U87MG, A549 and H838 cells with IC50 of 53, 50, and 20 nM, respectively. It also induces autophagy and increases LC3-II levels in H838 and A549 cells. AZD8055 decreases AML blast cell proliferation and cell cycle progression, reduces the clonogenic growth of leukemic progenitors, and induces caspase-dependent apoptosis in leukemic cells but not in normal immature CD34+ cells. It also shows significant antitumor activity in many xenografts, including U87MG, BT474c, A549, Calu-3, LoVo, SW620, PC3 and MES-SA at a dose of 10-20 mg/kg. AZD8055 was previously evaluated in a phase I clinical study in patients with advanced tumors.
How to Use:
In vitro: AZD8055 was used at 2.5 µM concentration in vitro and cellular assays.
In vivo: AZD8055 was orally dosed to mice at 2.5-20 mg/kg once or twice per day to inhibit tumor growth.
Reference:
- 1. Chresta CM, et al. AZD8055 is a potent,selective, and orally bioavailable ATP-competitive mammalian target ofrapamycin kinase inhibitor with in vitro and in vivo antitumor activity.(2010) Cancer Res. 70(1):288-98.
- 2. García-Martínez JM, et al. Effect of PI3K- and mTOR-specific inhibitors on spontaneous B-cell follicular lymphomas inPTEN/LKB1-deficient mice. (2011) Br J Cancer. 104(7):1116-25.
- 3. Jiang Q, et al. mTOR kinase inhibitor AZD8055enhances the immunotherapeutic activity of an agonist CD40 antibody incancer treatment.(2011) Cancer Res. 71(12):4074-84.
- 4. Huang S, et al. Inhibition of mTOR kinase byAZD8055 can antagonize chemotherapy-induced cell death through autophagy induction and down-regulation of p62/sequestosome 1. (2011) J Biol Chem.286(46):40002-12.
- 5. Willems L, et al. The dual mTORC1 and mTORC2 inhibitor AZD8055 has anti-tumor activity in acute myeloid leukemia.(2012) Leukemia. 26(6):1195-202.
- 6. Holt SV, et al. Enhanced apoptosis and tumor growthsuppression elicited by combination of MEK (selumetinib) and mTOR kinaseinhibitors (AZD8055). (2012) Cancer Res. 72(7):1804-13.
- 7. Naing A, et al. Safety, tolerability, pharmacokinetics and pharmacodynamics of AZD8055 in advanced solid tumours and lymphoma. (2012) Br J Cancer. 107(7):1093-9.
- 8.Pike KG, et al. Optimization of potent andselective dual mTORC1 and mTORC2 inhibitors: The discovery of AZD8055 andAZD2014. (2013) Bioorg Med Chem Lett. In press.
AZD8055_spec.pdf
AZD8055_MSDS.pdf
Products are for research use only. Not for human use.
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天然产物,大多都有颜色,
存在干扰,多数情况下需要做样品的阴性对照,
尽量能用荧光的方法,
之前我们做过,将两个试剂盒的方法合并后,做的,
效果还可以
2.微孔板:选择实验所需的板条数。剩余不用的部分随同干燥剂密封放回原袋。 1.包被有抗抑制素bB亚单位抗体的微孔板(Anti-InhibinB-CoatedMicrotitrationStrips):96孔,2-8ºC下密封保存。
2.标准品A/样本稀释液(InhibinBStandardA/SampleDiluent):2ml×1瓶,胎牛血清,含0pg/mL二聚体抑制素B。使用前2-8ºC下保存。打开后2-8ºC下可保存2周。于-20ºC可长期保存。
3.标准品B-G(InhibinBStandardsB-G):1ml×6瓶,胎牛血清,含二聚体抑制素B的浓度为10,30,100,250,500,1000pg/mL。使用前2-8ºC下保存。打开后2-8ºC下可保存2周。于-20ºC可长期保存。
4.质控(InhibinBControls):1ml×2瓶,浓度I、II,胎牛血清,含低浓度和高浓度的抑制素A二聚体。使用前2-8ºC下保存。打开后2-8ºC下可保存2周。于-20ºC可长期保存。
5.样本稀释液A(InhibinBSampleBufferA):10ml×1瓶,2-8ºC下保存。
6.样本稀释液B(InhibinBSampleBufferB):10ml×1瓶,2-8ºC下保存。
7.抗体-生物素结合物(InhibinBAntibody-BiotinConjugate)(即用型):10ml×1瓶,含生物素标记的抗抑制素a亚单位抗体。2-8ºC下保存。
8.酶结合物(浓缩)(Streptavidin-EnzymeConjugate)(即用型):10ml×1瓶,含链霉和素-辣根过氧化物酶结合物。2-8ºC下保存。
9.TMB底物溶液(TMBChromogenSolution):15ml×1瓶,2-8ºC下保存。
10.终止液(StoppingSolution):15ml×1瓶,为0.2M的硫酸。2-8ºC下保存。
11.浓缩洗液(WashConcentrate):100ml×1瓶,2-8ºC下保存。 操作前所有试剂都应平衡至室温(~25ºC)并充分混匀。标准品、质控及待测样本需同时做双份。
1.取出实验所需板条,并记录各孔位置。
2.在对应的孔中加入标准品、质控及待测样本各50ul。
3.每孔加入25ul样本稀释液A。
4.每孔加入25ul样本稀释液B。
5.封板,以300-400rpm速度震荡,室温下过夜(14-18小时)。
6.洗板3次,在吸水纸上拍干。
7.每孔加入50ul抗体-生物素结合物。
8.封板,以500-700rpm速度震荡,室温下孵育1.5小时。
9.洗板6次,在吸水纸上拍干。
10.每孔加入50ul链霉和素-辣根过氧化物酶结合物。
11.封板,以500-700rpm速度震荡,室温下孵育20分钟。
12.洗板6次,洗完最后一次以后,将洗液在孔内停留15分钟再除去。在吸水纸上拍干。
13.在每孔中加入100ulTMB底物溶液。
14.以500-700rpm速度震荡,室温下避光孵育15-30分钟。
15.每孔加入100ul终止液。
16.30分钟内在450nm处读数。
注:必须以零标准作空白。如果能做到双波长测定,可在600或620nm处读数,将600(620)nm吸收值从450nm处减去,这样可以减少光学误差。 使用血清样本,静脉穿刺术采集血液。样本于2-8ºC可保存24小时,-20ºC或以下可保存30天。避免反复冻融样本。不应采用溶血或脂血的样本。冰冻的样本在实验前应解冻,并充分混匀。向左转|向右转
RMgX + RX = R-R + MgX2.
这个反应需要的能量比生成格氏试剂的高,
因此降低反应温度是第一个选择。
其次, 增加镁得摩尔比, 让 RX与镁有更多机会反应, 而不是与RMgX。
第三, 降低RX的浓度, 即用更多的溶剂, 因为溶剂和格氏试剂有很显著的溶剂络合。
第四, 缓慢滴加RX., 即降低RX.在反应体系的浓度。
第五, 增加搅拌速率, 即, 让RX.与镁有更好的接触。

