苏尼替尼苹果酸盐 T0374

Product Introduction
Bioactivity


英文名: Sunitinib Malate

描述: Sunitinib Malate (Sunitinib) 是一种基于吲哚酮的酪氨酸激酶抑制剂，抑制 VEGFR2和 PDGFRβ的 IC50分别为80 nM 和 2 nM。它是 ATP 竞争性抑制剂，可通过抑制自身磷酸化和随后的 RNase 激活来有效抑制 Ire1α的磷酸化。

细胞实验: RS4;11 and MV4;11 cell lines are starved overnight in medium containing 0.1% FBS prior to addition of Sunitinib (1-500 nM) and FL (50 ng/mL; FLT3-WT cells only). Proliferation is measured after 48 hours of culture using the Alamar Blue assay in triplicate for each condition, as described by the manufacturer. Trypan blue cell viability assays are performed in parallel and yielded similar results [3].

激酶实验: Ki values for Sunitinib against Flk-1, PDGFRβ, and FGFR1 are determined using glutathione S-transferase-fusion proteins containing the complete cytoplasmic domain of the RTK. Cellular assays to directly determine the ability of Sunitinib to inhibit ligand-dependent RTK phosphorylation or cell proliferation and mitogenic responses are performed using serum-starved cells stimulated with 40 ng/mL VEGF165 (Flk-1/KDR), 0.5 μg/mL basic FGF (FGFR), or 50 ng/mL PDGF-AA (PDGFRα) or PDGF-BB (PDGFRβ) [2].

动物实验: Female nu/nu mice (8-12 weeks old, 25 g) are used. Briefly, 3-5×106 tumor cells are implanted s.c. into the hind flank region of mice on day 0. Daily treatment of tumor-bearing mice with oral administration of SU11248 as a carboxymethyl cellulose suspension or as citrate buffered (pH 3.5) solution is initiated once the tumors reached the indicated average size. Tumor growth is evaluated based on the twice-weekly measurement of tumor volume. Typically, studies are terminated when tumors in vehicle-treated animals reach an average size of 1000 mm3 or when the tumors are judged to adversely affect the well being of the animals [2].

体外活性: Sunitinib is also a good inhibitor of KIT and FLT-3 [1]. In biochemical assays, Sunitinib exhibits competitive inhibition (with regard to ATP) against Flk-1 and PDGFRβ with Ki values of 9 nM and 8 nM, respectively. Sunitinib is also a competitive, albeit less potent, an inhibitor of FGFR1 tyrosine kinase activity, with a Ki value of 0.83 μM. In these biochemical assays, the IC50 values for Sunitinib are generally at least 10-fold higher than those for Flk-1 and PDGFR (e.g., IC50s: >10 μM for EGFR and Cdk2; 4 μM for Met; 2.4 μM for IGFR-1; 0.8 μM for Abl; 0.6 μM for Src) [2]. In RS4;11 cells (FLT3-WT), treatment with Sunitinib inhibits FLT3-WT phosphorylation in a dose-dependent manner with IC50 of approximately 250 nM. In MV4;11 cells that express FLT3-ITD, Sunitinib inhibits FLT3-ITD phosphorylation in a dose-dependent manner with an IC50 of 50 nM following a 2-hour treatment [3].

体内活性: Sunitinib (80 mg/kg/day) inhibits the growth of established SF763T and Colo205 tumor xenografts in athymic mice. Sunitinib treatment effectively inhibits the growth of established tumor xenografts[2]. Sunitinib malate is an inhibitor of VEGFR, PDGFR, FGFR, and is used in the treatment of advanced renal cell carcinoma and gastrointestinal stromal tumors. Sunitinib malate-treated rats display much lower levels of tumor growth than untreated rats, and their tumors have much smaller necrotic areas and lower vascular density [4]

存储条件: Powder: -20°C for 3 years | In solvent: -80°C for 1 year

溶解度: DMSO : 6.25 mg/mL (11.74 mM)


关键字: Autophagy | Mitophagy | Vascular endothelial growth factor receptor | Mitochondrial Autophagy | VEGFR | PDGFR | IRE1 | SU11248 | Sunitinib Malate | Platelet-derived growth factor receptor | Apoptosis | Inositol requiring enzyme 1 | inhibit | SU-11248 | Inhibitor

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相关库: Drug Repurposing Compound Library | FDA-Approved Kinase Inhibitor Library | Anti-Cancer Drug Library | Membrane Protein-targeted Compound Library | Inhibitor Library | Kinase Inhibitor Library | Anti-Cancer Clinical Compound Library | Tyrosine Kinase Inhibitor Library | Anti-Cancer Approved Drug Library | EMA Approved Drug Library

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