Pacritinib
Cat.No:IP3300 Solarbio
CAS:937272-79-2
Storage:Powder:2-8℃,2 years;Insolvent(Mother Liquid):-20℃,6 months;-80℃,1 year
Purity:≥98%
Appearance:Light yellow to yellow Solid
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PacritinibCAS:937272-79-2
Storage:Powder:2-8℃,2 years;Insolvent(Mother Liquid):-20℃,6 months;-80℃,1 year
Purity:≥98%
Appearance:Light yellow to yellow Solid
Qty:
Size:
CAS | 937272-79-2 |
Name | Pacritinib |
Molecular Formula | C28H32N4O3 |
Molecular Weight | 472.58 |
Solubility | Soluble in DMSO ≥1mg/mL(Need ultrasonic) |
Purity | ≥98% |
Appearance | Light yellow to yellow Solid |
Storage | Powder:2-8℃,2 years;Insolvent(Mother Liquid):-20℃,6 months;-80℃,1 year |
MDL | MFCD22572772 |
SMILES | C1(COC/C=C/COCC2=C(OCCN3CCCC3)C=CC4=C2)=CC=CC(C5=N/C(NC=C5)=N\4)=C1 |
Target Point | FLT3,JAK2 |
Passage | Angiogenesis; Protein Tyrosine Kinase/RTK;JAK/STAT Signaling |
Background | Pacritinib, a potent JAK2 inhibitor, also inhibits FLT3. |
Biological Activity | Pacritinib是有效的选择性Janus Kinase 2 (JAK2)和Fms-Like Tyrosine Kinase-3 (FLT3)抑制剂,无细胞试验中IC50分别为23和22 nM。[1-2] |
In Vitro | Pacritinib是野生型JAK2和JAK2V617F的抑制剂(IC 50是19 nM),它高频率存在于MPD患者中。相对于JAK2,Pacritinib对TYK2(IC 50是50 nM)的抑制作用低2倍,对JAK3(IC 50是520 nM)的抑制作用低23倍,对JAK1(IC 50是50 nM)的抑制作用低56倍。Pacritinib有效地渗透细胞调节JAK2的下游信号通路,无论是受体激动剂激活或突变型激活。在JAK2WT- and JAK2V617F-缺少细胞中,Pacritinib诱导细胞凋亡,细胞周期阻滞和抗增殖作用。Pacritinib抑制Karpas 1106P and Ba/F3-JAK2V617F细胞增殖,IC 50分别是348 nM和160 nM。Pacritinib从抑制红细胞和髓系祖细胞来源的内在性菌落生长,IC50分别为63 nM和53 nM。[1] SB1518也抑制FLT3基因及突变FLT3-D835Y(IC50是6 nM)。在FLT3基因内部串联重复(ITD),FLT3-野生型细胞和原发性AML原始细胞中,Pacritinib抑制FLT3磷酸化和下游STAT,MAPK和PI3K信号。 在含FLT3-ITD的MV4-11细胞中,Pacritinib剂量依赖性减少pFLT3,pSTAT5,PERK1/ 2和pAKT,IC50分别为80 nM,40 nM,33 nM和29 nM。Pacritinib处理原代AML细胞3小时剂量依赖性的减少pFLT3,pSTAT3和pSTAT5,IC 50低于0.5 μM。在FLT3突变和FLT3-wt细胞中,Pacritinib诱导细胞凋亡,细胞周期停滞和抗增殖作用。Pacritinib抑制含FLT3-ITD的MV4-11细胞和原代AML细胞增殖,IC50分别为47 nM 和0.19-1.3 nM。[2] |
In Vivo | Pacritinib(150毫克/千克)口服q.d.到JAK2 V617F相关移植瘤模型中,可显著改善脾肿大和肝的症状,使60%脾脏重量和92%肝脏重量的正常化,无显著体重减轻或任何血液学毒性,包括血小板减少症和贫血。 Pacritinib诱导剂量依赖性的抑制了JAK2V617F依赖性的SET-2异种移植物的生长(75毫克/千克时为40%和150毫克/千克时为61%)。[1] Pacritinib对 FLT3-ITD息MV4-11异种移植模型是有效的。 Pacritinib治疗,每日一次,连续21天,诱导了剂量依赖性的肿瘤生长抑制(25毫克/千克时为38%,50毫克/千克时为92%,100毫克/千克时为121%)。在50和100毫克/公斤/天组分别观察到3/10和8/8只小鼠肿瘤完全消退。[2] |
Cell Experiment | Karpas 1106P细胞按30 50%密度接种在96孔板中,并用不同浓度(~10 μM)的化合物(一式三份)处理48小时。[1] |
Kinase Experiment | 所有测定均在384孔白色微量滴定板中进行。化合物4-倍系列稀释8级,从10μM开始。反应混合物由25 μL的测定缓冲液(50 mM HEPES pH值为7.5,10mM氯化镁,5 mM氯化锰,1 mM DTT,0.1 mM的钒酸钠,5 mM的β -甘油磷酸)。对FLT3的测定中,反应含有2.0微克/毫升的FLT3酶,5 μM聚(谷氨酸,酪氨酸)底物和4 μM ATP。对于JAK1测定中,反应含有2.5微克/毫升JAK1酶,10μM聚(谷氨酸,丙氨酸,酪氨酸)底物和1.0 μM ATP。对于JAK2测定中,反应物含有0.35微克/毫升的JAK2酶,10 μM聚(谷氨酸,丙氨酸,酪氨酸),衬底和0.15 μM ATP。对于JAK3测定中,反应物含有3.5微克/毫升的JAK3酶,10μM聚(谷氨酸,丙氨酸,酪氨酸)底物和6.0 μM的ATP。对TYK2测定中,反应物含有2.5微克/毫升的TYK2酶,10μM聚(谷氨酸,丙氨酸,酪氨酸)底物和0.15 μM ATP。反应在加入13 μL PKLight 检测试剂之前在室温温育2小时。温育10分钟之后读取在多标记平板读数器读取发光信号。[1] |
Data Literature Source | [1] Hart S,et al. Leukemia,2011,25(11),1751-1759. [2] Hart S,et al. Blood Cancer J,2011,1(11),e44. |
Unit | Bottle |
Specification | 2mg 5mg |
Pacritinib 是一种有效的 JAK2 抑制剂,也抑制 FLT3 。
Remark:These protocols are for reference only. Solarbio does not independently validate these methods.
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