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Synonyms | CT99021 | Storage (From the date of receipt) |
3 years -20°C powder 1 years -80°C in solvent |
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化学式 | C22H18Cl2N8 |
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分子量 | 465.34 | CAS No. | 252917-06-9 | ||||
Solubility (25°C)* | 体外 | DMSO | 93 mg/mL (199.85 mM) | ||||
Water | Insoluble | ||||||
Ethanol | Insoluble | ||||||
体内 (毎回新しく調製した物を用意してください) |
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* <1 mg/ml means slightly soluble or insoluble. * Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations. |
製品説明 | ラドゥビグルシブ (Laduviglusib (CHIR-99021、CT99021)) は GSK-3α および GSK-3β 阻害剤であり、IC50 はそれぞれ 10 nM および 6.7 nM です。 ラドゥビグルシブは、サイクリン依存性キナーゼ (CDK) に対して交差反応性を示さず、CDK と比較して GSK-3β に対して 350 倍の選択性を示します。 Laduviglusib は Wnt/β-catenin 活性化因子として機能し、オートファジー (autophagy) を誘導します。 |
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in vitro | CHIR-99021 shows greater than 500-fold selectivity for GSK-3 versus its closest homologs CDC2 and ERK2, as well as other protein kinases. Furthermore, CHIR-99021 shows only weak binding to a panel of 22 pharmacologically relevant receptors and little inhibitory activity against a panel of 23 nonkinase enzymes. CHIR-99021 induces the activation of glycogen synthase (GS) in insulin receptor-expressing CHO-IR cells with EC50 of 0.763 μM[1]. |
in vivo | Oral administration of CHIR-99021 at 30 mg/kg enhances glucose metabolism in a rodent model of type 2 diabetes, with a maximal plasma glucose reduction of nearly 150 mg/dl 3-4 hours after administration, while plasma insulin remains at or below control levels. Oral administration of CHIR-99021 at 16 or 48 mg/kg 1 hour before oral glucose challenges in ZDF rats significantly improves glucose tolerance with 14% and 33% reduction in plasma glucose at 16 mg/kg and 48 mg/kg, respectively, and the higher dose of CHIR-99021 also reduces hyperglycemia before the oral glucose challenge[1]. |
細胞アッセイ | 細胞株 | Insulin receptor–expressing CHO-IR cells; Primary rat hepatocytes |
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濃度 | 0.01-10 μM | |
反応時間 | 30 min | |
実験の流れ | CHO-IR cells expressing human insulin receptor are grown to 80% confluence in Hamm’s F12 medium with 10% fetal bovine serum and without hypoxanthine. Trypsinized cells are seeded in 6-well plates at 1 × 106 cells/well in 2 ml of medium without fetal bovine serum. After 24 h, medium is replaced with 1 ml of serum-free medium containing GSK-3 inhibitor or control (final DMSO concentration <0.1%) for 30 min at 37°C. Cells are lysed and centrifuged 15 min at 4°C/14000g. The activity ratio of GS is calculated as the GS activity in the absence of glucose-6-phosphate divided by the activity in the presence of 5 mmol/l glucose-6-phosphate, using the filter paper assay of Thomas et al. |
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動物実験 | 動物モデル | Female db/db mice; Male ZDF rats |
投薬量 | 8-48 mg/kg | |
投与方法 | oral administration |
, , Dr. Yong-Weon Yi from Georgetown University Medical Center
Data from [Data independently produced by , , Med Oncol, 2017, 35(1):7]
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長期の保管のために-20°Cの下で製品を保ってください。
人間や獣医の診断であるか治療的な使用のためにでない。
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