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                同义名:
                    
                        
                            可美替尼
                            
                             / XL518; GDC-0973
                            
                        
                    
                
                
                
                    
                     
                    
                     
                
            
Cobimetinib (GDC-0973,RG7420) 是一种强效、选择性、口服 MEK1 抑制剂,对 MEK1 的 IC50 为 4.2 nM。
 
                                 
                                
                            

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| 产品名称 | MEK ↓ ↑ | MEK1 ↓ ↑ | MEK1/2 ↓ ↑ | MEK2 ↓ ↑ | MEK5 ↓ ↑ | 其他靶点 | 纯度 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Honokiol | ✔ | 98% | |||||||||||||||||
| Mirdametinib | ++++ MEK, IC50: 0.33 nM | 99%+ | |||||||||||||||||
| Binimetinib | +++ MEK, IC50: 12 nM | 99%+ | |||||||||||||||||
| BI-847325 | ++ MEK1, IC50: 25 nM | +++ MEK2, IC50: 4 nM | 99%+ | ||||||||||||||||
| U0126-EtOH | + MEK1, IC50: 0.07 μM | ++ MEK2, IC50: 0.06 μM | 98% | ||||||||||||||||
| GDC-0623 | ++++ MEK1, IC50: 0.13 nM | 99%+ | |||||||||||||||||
| TAK-733 | ++++ MEK1, IC50: 3.2 nM | 99%+ | |||||||||||||||||
| Trametinib | ++++ MEK1, IC50: 0.92 nM | ++++ MEK2, IC50: 1.8 nM | 99%+ | ||||||||||||||||
| Selumetinib | +++ MEK1, IC50: 14 nM MEK1, Kd: 99 nM | + MEK2, Kd: 530 nM | 99%+ | ||||||||||||||||
| CI-1040 | ++ MEK1, IC50: 17 nM | ++ MEK2, IC50: 17 nM | 99%+ | ||||||||||||||||
| Myricetin | ✔ | 98% | |||||||||||||||||
| Refametinib | ++ MEK1, IC50: 19 nM | ++ MEK2, IC50: 47 nM | 99%+ | ||||||||||||||||
| Cobimetinib | +++ MEK1, IC50: 4.2 nM | 99%+ | |||||||||||||||||
| PD98059 | + MEK1, IC50: 2 μM | 99%+ | |||||||||||||||||
| SL327 | + MEK1, IC50: 0.18 μM | + MEK2, IC50: 0.22 μM | AP-1 | 98+% | |||||||||||||||
| PD318088 | ✔ | 99% | |||||||||||||||||
| AZD8330 | +++ MEK1/2, IC50: 7 nM | 99%+ | |||||||||||||||||
| Pimasertib | 98% | ||||||||||||||||||
| (E/Z)-BIX02189 | ++++ MEK5, IC50: 1.5 nM | 99%+ | |||||||||||||||||
| (E/Z)-BIX02188 | +++ MEK5, IC50: 4.3 nM | 99% | |||||||||||||||||
| 1. 鼠标悬停在“+”上可以显示相关IC50的具体数值。"+"越多,抑制作用越强。2. "✔"表示该化合物对相应的亚型有抑制作用,但抑制强度暂时没有相关数据。 | |||||||||||||||||||
| 靶点 | 
 | 
| 描述 | The Ras-Raf-MEK pathway is overactive in many human cancers, such as melanoma and NSCLC. Cobimetinib, also called as GDC-0973 or RG7420, is a potent and highly selective inhibitor of MEK1 with IC50 value of 4.2 nM (measured by a kinase biochemical assays). Cobimetinib shows strong cellular potency particularly in BRAF or KRAS mutant cancer cell lines (in a detail, 80% of BRAF mutant lines were sensitive to Cobimetinib, 54% of lines carrying oncogenic mutations in KRAS or NRAS were sensitive and 35% of the remaining lines in test were sensitive). Consistent with this, BRAFV600E mutant melanoma tumor models showed higher sensitivity to BRAFV600E mutant melanoma tumor models at dose of 1 - 10 mg/kg, PO, QD x 3. Cobimetinib showed good pharmacodynamics, as treatment of 10 mg/kg dose of Cobimetinib cansuppress p-ERK 75% at 2 - 24 hours in the A375.X1 model[1]. Cobimetinib combined with vemurafenib was approved by FDA for unresectable or metastatic melanoma with a BRAFV600E or V600K mutation[2]. | 
| 作用机制 | Cobimetinib is an ATP-noncompetitive allosteric inhibitor[3]. | 
| 细胞系 | 浓度 | 检测类型 | 检测时间 | 活性说明 | 数据源 | 
| human COLO205 cells | Function assay | Inhibition of B-raf V600E mutant in human COLO205 cells assessed as reduction of ERK1/ERK2 phosphorylation, IC50=1.8 nM | 22315332 | ||
| human COLO205 cells | Proliferation assay | Antiproliferative activity against human COLO205 cells expressing B-raf V600E mutant, IC50=8 nM | 22315332 | ||
| human MDA-MB-231T cells | Function assay | 1 h | Inhibition of MEK-mediated ERK T202/Y204 phosphorylation in human MDA-MB-231T cells after 1 hr by immunoblotting, IC50=0.2 nM | 24900486 | 
| Dose | Mice[4] (p.o.): 5 mg/kg, 10 mg/kg | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Administration | p.o. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pharmacokinetics | 
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| 计算器 | ||||
| 存储液制备 |  | 1mg | 5mg | 10mg | 
| 1 mM 5 mM 10 mM | 1.88mL 0.38mL 0.19mL | 9.41mL 1.88mL 0.94mL | 18.82mL 3.76mL 1.88mL | |
| CAS号 | 934660-93-2 | 
| 分子式 | C21H21F3IN3O2 | 
| 分子量 | 531.31 | 
| SMILES Code | O=C(C1=CC=C(F)C(F)=C1NC2=CC=C(I)C=C2F)N3CC([C@H]4NCCCC4)(O)C3 | 
| MDL No. | MFCD22124461 | 
| 别名 | 可美替尼 ;XL518; GDC-0973; RG-7420 | 
| 运输 | 蓝冰 | 
| 存储条件 | In solvent -20°C: 3-6个月 -80°C: 12个月 Pure form Keep in dark place, inert atmosphere, 2-8°C | 
| 溶解方案 | DMSO: 50 mg/mL(94.11 mM),配合低频超声,并水浴加热至45℃助溶,注意:DMSO长时间开封后,会吸水并导致溶解能力下降,请避免使用长期开封的DMSO 以下溶解方案都请先按照体外实验的方式配制澄清的储备液,再依次添加助溶剂: ——为保证实验结果的可靠性,澄清的储备液可以根据储存条件,适当保存;体内实验的工作液,建议现用现配,当天使用; 以下溶剂前显示的百分比是指该溶剂在终溶液中的体积占比;如在配制过程中出现沉淀、析出现象,可以通过加热和/或超声的方式助溶 
 
 
 
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