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- 2026年05月21日
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- 文献和实验
- 技术资料
- 保存条件：
Stroe at -20℃，6 months.
- 保质期：
Stroe at -20℃，6 months.
- 英文名：
IC261(10mM in DMSO,Sterile）
- 库存：
现询
- 供应商：
北京索莱宝科技有限公司
- CAS号：
186611-52-9
- 规格：
1ml
| 基本信息 | |
| CAS | No.186611-52-9 |
| 英文名称 | IC261(10mM in DMSO,Sterile） |
| 分子式 | C18H17NO4 |
| 分子量 | 311.33 |
| 溶解性 | 请根据自己的实验要求使用。 |
| 外观(性状) | 无菌溶液 |
| 储存条件 | Stroe at -20℃，6 months. |
| 靶点 | Casein Kinase（CK） |
| 通路 | Cell Cycle;DNA Damage/DNA Repair; Stem Cells |
| 背景说明 | IC261 是一种选择性的ATP 竞争性的 CK1 抑制剂。 |
| 生物活性 | IC261 is a selective， ATP-competitive CK1 inhibitor， with IC50s of 1 μM， 1 μM， 16 μM for Ckiδ， Ckiε and Ckiα1， respectively.[1-3] |
| In Vitro | IC261 is a selective， ATP-competitive CK1 inhibitor， with IC50s of 1 μM， 1 μM， 16 μM for Ckiδ， Ckiε and Ckiα1， respectively. IC261 is less active on PKA， p34cdc2， and p55fyn (IC50s > 100 μM)[1]. IC261 induces mitotic arrest， spindle defects and centrosome amplification in AC1-M88 cells. IC261 (1?μM) increases G2/M cells after 12?h， and causes cell death at 24 h in AC1-M88 cells. IC261 (1?μM) also induces apoptosis in the extravillous trophoblast hybrid cells[2]. IC261 (1.25 μM) suppresses the proliferation of several pancreatic tumour cell lines， including ASPC-1， BxPc3， Capan-1， Colo357， MiaPaCa-2， Panc1， Panc89， PancTu-1 and PancTu-2 cells. IC261 (1.25 μM) specifically enhances CD95-mediated apoptosis of pancreatic tumour cells[3]. |
| 细胞实验 | IC261 (20.5 mg/kg) inhibits tumor growth of PancTu-2 cells in SCID mice， downregulates several anti-apoptotic proteins， such as CK1δ/?， KRAS， and IL6 and upregulates p21， ATM， CHEK1 and STAT1 in mice[3]. |
| 细胞实验 | Human extravillous trophoblast cells irreversibly leave the cell cycle and die when isolated from its natural extracellular matrix. The cell line AC1-M88 is employed in vitro experiments. This cell line is generated by fusion of extravillous trophoblasts with AC1-1. Cells are grown in DMEM (CV-1) or DMEM/F-12 (AC1-M88) medium supplemented with 10% fetal calf serum (FCS) at 37°C in a humidified 5% CO2 atmosphere. Where indicated， cells are γ-irradiated with 5?Gy and harvested at the given time points for western blot analysis， treated with 1?μM IC261 or 0.4?μM nocodazole for 12?h and fixed for immunofluorescence analysis， or treated with 1?μM IC261 and fixed for flow cytometrical analysis or lysed for western blot analysis at the indicated time points. IC261 and nocodazole are dissolved in DMSO as stock solutions (25 and 10?mM， respectively)， and control cells are treated with 0.004% DMSO. For immunocytochemistry， the cells are grown on coverslips and are treated with methanol (?20°C) for 5?min， followed by acetone (?20°C) for 20-30?s prior to being used for immunocytochemical detection[2]. |
| 动物实验 | Five million PancTu-1 cells resuspended in 100 μL of a solution containing 50% Matrigel and 50% DMEM/RPMI-1640 (1:1) are injected into the dorsolateral site of 6-week-old C.B-17/IcrHsd-scid-bg mice. After 17 days， mice are randomised to the control group (n?=?5)， the IC261 treatment group (n?=?5)， the gemcitabine group (n?=?5) and to the IC261/gemcitabine group (n?=?5). Injection of dimethylsulfoxide (DMSO; control group)， IC261 (20.5 mg/kg)， gemcitabine (0.6 mg/kg) alone or in combination (20.5 mg/kg IC261/0.6 mg/kg gemcitabine) (treatment groups) is performed daily for 8 days. Mice are sacrificed by asphyxiation with CO2 the day after the last treatment. Tumours are measured before and during treatment. Finally， the tumours are excised， measured， weighed and fixed in formalin or shock frozen. Tumour volume is calculated according to the formula for a rotational ellipsoid (length × height × width × 0.5236)[3]. |
| 激酶实验 | Casein kinase activity is assayed at 37°C. The standard reaction (40 μL) contains 25 mM 2-(N-morpholino)ethanesulfonic acid， pH 6.5， 50 mM NaCl， 15 mM MgCl2， 2 mg/mL casein， 2 mM EGTA， 100 μM [γ-32P]ATP (100-400 cpm/pmol). Initial velocity measurements are carried out in duplicate with ATP as the varied substrate. Kinetic constants and their standard errors are calculated. For assay of inhibitor potency (IC50)， [γ -32P]ATP is held constant (10 μM)， whereas IC261 concentration is varied (0.1， 0.3， 1， 3， and 10 μM). To assess kinetic mechanism， inhibitors are held constant (IC261， 20 μM; IC3608， 100 μM)， whereas [γ -32P]ATP is varied as above. For screening small molecule libraries， CK1 isoforms (Ckiα1， δ， and ε) are assayed that casein is used at 10 mg/mL， [γ -32P]ATP is held constant at 2 μM or 1 mM[1]. |
| 数据来源文献 | [1]. Mashhoon N， et al. Crystal structure of a conformation-selective casein kinase-1 inhibitor. J Biol Chem. 2000 Jun 30;275(26):20052-60. [2]. St?ter M， et al. Inhibition of casein kinase I delta alters mitotic spindle formation and induces apoptosis in trophoblast cells. Oncogene. 2005 Dec 1;24(54):7964-75. [3]. Brockschmidt C， et al. Anti-apoptotic and growth-stimulatory functions of CK1 delta and epsilon in ductal adenocarcinoma of the pancreas are inhibited by IC261 in vitro and in vivo. Gut. 2008 Jun;57(6):799-806. |
| 单位 | 瓶 |
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II02801 IC261(10mM in DMSO,Sterile） 细胞周期 索莱宝
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