AS-252424

A potent, selective inhibitor of PI3-kinase γ

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5mg

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670.00

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货号: ajci12044
CAS: 900515-16-4
别名: 5-[[5-(4-氟-2-羟基苯基)-2-呋喃基]亚甲基]-2,4-噻唑烷二酮
分子式: C14H8FNO4S
分子量: 305.28
纯度: >98%
溶解度: ≥ 30.5mg/mL in DMSO
储存: Store at -20°C
库存: 现货

Background

AS-252424 is a potent, selective and novel small-molecule PI3Kγ inhibitor (IC50= 30 nM)

PI3K (phosphatidylinositol-4,5-bisphosphate 3-kinase) is a family of enzymes involved in cellular functions such as cell growth, proliferation, differentiation, motility, survival and intracellular trafficking, which in turn are involved in cancer. It plays a key role in PI3K/Akt/mTOR pathway.

In THP-1 (human monocytic cell line), AS-252424 inhibited the phosphorylation of PKB/Akt due to MCP1 binding to the GPCR receptor CCR2 at lowest IC50 values of 0.4 μM. In primary monocytes and monocytic wild-type cell line THP-1, AS-252424 inhibited MCP-1-mediated chemotaxis in a concentration-dependent manner (IC50 value= 52 μM and 53 μM, respectively). [1] In Capan 1 and HPAF (pancreatic cancer cell lines), AS52424 specifically inhibited the cell proliferation. [2]

In a mouse model of thioglycollate-induced peritonitis, oral administration of AS-252424 at 10 mg/kg led to moderate reduction of neutrophil recruitment (35% ±14%). [1]

参考文献:
1. Pomel V, Klicic J, Covini D et al.?Furan-2-ylmethylene thiazolidinediones as novel, potent, and selective inhibitors of phosphoinositide 3-kinase gamma. J Med Chem. 2006 Jun 29;49(13):3857-71.
2.? Edling CE, Selvaggi F, Buus R et al. Key role of phosphoinositide 3-kinase class IB in pancreatic cancer. Clin Cancer Res. 2010 Oct 15;16(20):4928-37.

Protocol

Kinase experiment:	A PI3Kγ lipid kinase assay, based on the neomycin-coated scintillation proximity assay (SPA) bead technology, is performed in 384-well plates using ATP/[γ33P]ATP and PtdIns. Kinase assays for IC50 value determinations with PI3Kα, PI3Kβ, and PI3Kδ are carried out[1].
Cell experiment:	After 3 h of starvation in serum-free medium, Raw-264 macrophages are pretreated with inhibitors (e.g., AS-252424, 1 nM, 10 nM, 100 nM, 1 μM, 10 μM and 100 μM) or DMSO for 30 min and stimulated for 5 min with 50 nM C5a. PKB/Akt phosphorylation is monitored using phospho-Ser-473 Akt specific antibody and standard ELISA protocols[1].
Animal experiment:	Mice[1]PI3Kγ knockout (KO) mice are used. Oral administration of AS-252424 at 10 mg/kg is performed in PI3Kγ-deficient mice.
参考文献: [1]. Pomel V, et al. Furan-2-ylmethylene thiazolidinediones as novel, potent, and selective inhibitors of phosphoinositide 3-kinase gamma. J Med Chem. 2006 Jun 29;49(13):3857-71.