I-BET-762
Cat.No:II1450 Solarbio
CAS:1260907-17-2
Molecular Formula:C22H22ClN5O2
Molecular Weight:423.9
Storage:Powder:2-8℃,2 years;Insolvent(Mother Liquid):-20℃,6 months;-80℃,1 year
Purity:≥98%
Appearance:White to yellow Solid
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I-BET-762CAS:1260907-17-2
Molecular Formula:C22H22ClN5O2
Molecular Weight:423.9
Storage:Powder:2-8℃,2 years;Insolvent(Mother Liquid):-20℃,6 months;-80℃,1 year
Purity:≥98%
Appearance:White to yellow Solid
Qty:
Size:
CAS | 1260907-17-2 |
Name | I-BET-762 |
Molecular Formula | C22H22ClN5O2 |
Molecular Weight | 423.9 |
Solubility | Soluble in DMSO ≥5mg/mL;Soluble in Water < 0.1mg/mL |
Purity | ≥98% |
Appearance | White to yellow Solid |
Storage | Powder:2-8℃,2 years;Insolvent(Mother Liquid):-20℃,6 months;-80℃,1 year |
MDL | MFCD22417091 |
SMILES | ClC1=CC=C(C2=N[C@@H](CC(NCC)=O)C3=NN=C(C)N3C4=CC=C(OC)C=C24)C=C1 |
Target Point | BET proteins |
Passage | Epigenetics |
Background | I-BET151 is a BET bromodomain inhibitor. |
Biological Activity | GSK 525762A是 BET 溴结构域 抑制剂,IC50 为32.5-42.5 nM。[1] |
IC50 | 32.5-42.5nM(BET)[1] |
In Vitro | GSK 525762A(I-BET 762)显示出与BET的最高亲和力相互作用。 GSK 525762A以高亲和力结合BET的串联溴结构域(解离常数Kd为50.5-61.3nM)。 GSK 525762A以高效率(半最大抑制浓度IC50为32.5-42.5nM)取代了已经与BET的串联溴结构域预结合的四乙酰化H4肽[1]。 GSK 525762A对BRD2 / 3/4蛋白的BD1 / BD2结构域具有高亲和力。 GSK 525762A处理可以减少所有三种蛋白质向染色质的募集[2]。 GSK 525762A抑制OPM-2细胞增殖,IC50为60.15 nM [3]。 |
In Vivo | 在通过将OPM-2细胞注射到NOD-SCID小鼠中产生的体内全身异种移植模型中口服给予GSK 525762A(I-BET 762)的抗骨髓瘤活性。每隔一天给予高达10mg / kg和30mg / kg的GSK 525762A的每日口服剂量是良好耐受的,与载体对照相比对体重没有明显影响。用GSK 525762A治疗的小鼠血浆hLC浓度显著降低[3]。 |
Cell Experiment | 将VCaP,LNCaP,22RV1,DU145和PC3前列腺癌细胞系以2000-10,000个细胞/孔(生长的最佳密度)接种在96孔板中,总体积为100μL含有10%FBS的培养基。 12小时后,将100μL培养基中的系列稀释化合物加入细胞中。 96小时后。孵育,通过Cell-Titer GLO评估细胞活力。将值归一化并使用GraphPad Prism软件计算IC 50。对于长期集落形成测定,将10,000-50,000个细胞/孔接种在六孔板中,并用100nM或500nM的JQ1或DMSO处理。 12天后,用甲醇固定细胞,用结晶紫染色并拍照。对于比色测定,将染色的孔用500μL10%乙酸处理,并使用分光光度计在560nm处测量吸光度[2]。 |
Animal Experiment | 小鼠[3]在全身性异种移植骨髓瘤模型中测试口服施用GSK 525762A的抗骨髓瘤功效。为此目的,通过尾静脉注射给予107个OPM-2骨髓瘤细胞,对9至11周龄的经亚致死照射的(200cGy)NOD / SCID小鼠给予。在接种后第15天,动物开始用递增剂量的GSK 525762A或载体(1%甲基纤维素和0.2%十二烷基硫酸钠)口服治疗,持续至第83天。具体地,1组小鼠用载体治疗和4组不同的GSK 525762A给药方案:每天3 mg / kg;每天10毫克/千克;隔日30毫克/千克;每天30至20毫克/千克(即每天30毫克/千克,持续14天,然后是2周[第15至31天]停止治疗[由于体重下降直到动物体重恢复后停用药物] ],每天20 mg / kg,直至实验终止[第43天至第82天]。在第15天口服施用GSK 525762A后0.5小时(开始治疗)取出血液样品(~70μL);第27天,第45天和第82天(3,10和20至30 mg / kg仅每天一次);和第83天(每隔一天30毫克/千克一次)。将血液离心以获得20μL血浆并在-20℃下储存,然后通过使用特定的液相色谱/质谱/质谱分析对GSK 525762A进行分析。 |
Data Literature Source | [1]. Nicodeme E,et al. Suppression of inflammation by a synthetic histone mimic. Nature. 2010 Dec 23;468(7327):1119-23. [2]. Asangani IA,et al. Therapeutic targeting of BET bromodomain proteins in castration-resistant prostate cancer. Nature. 2014 Jun 12;510(7504):278-82. [3]. Chaidos A,et al. Potent antimyeloma activity of the novel bromodomain inhibitors I-BET151 and I-BET762. Blood. 2014 Jan 30;123(5):697-705 |
Unit | Bottle |
Specification | 5mg 10mg |
I-BET-762是一种BET蛋白抑制剂。
Remark:These protocols are for reference only. Solarbio does not independently validate these methods.
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