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.
CAS Number: 1009298-09-2
Molecular Weight: 465.54
Chemical Name: (5-(2,4-bis((S)-3-methylmorpholino)pyrido[2,3-d]pyrimidin-7-yl)-2-methoxyphenyl)methano
Appearance: Solid Power.
Purity: ≥98% (or refer to the Certificate of Analysis)
Solubility: DMSO up to 100 mM
Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis
Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.
Shelf Life: ≥12 months if stored properly.
Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.
Drug Formulation: To be determined.
HS Tariff Code: 382200
How to use
AZD8055 was used at 2.5 µM concentration in vitro and cellular assays.
AZD8055 was orally dosed to mice at 2.5-20 mg/kg once or twice per day to inhibit tumor growth.
- Chresta CM, et al. AZD8055 is a potent, selective, and orally bioavailable ATP-competitive mammalian target of rapamycin kinase inhibitor with in vitro and in vivo antitumor activity. (2010) Cancer Res. 70(1):288-98.
- García-Martínez JM, et al. Effect of PI3K- and mTOR-specific inhibitors on spontaneous B-cell follicular lymphomas in PTEN/LKB1-deficient mice. (2011) Br J Cancer. 104(7):1116-25.
- Jiang Q, et al. mTOR kinase inhibitor AZD8055 enhances the immunotherapeutic activity of an agonist CD40 antibody in cancer treatment.(2011) Cancer Res. 71(12):4074-84.
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