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别名 | SB-497115 | 储存条件 (自收到货起) |
3年 / -20°C / 粉状 1年 / -80°C / 溶于溶剂 |
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化学式 | C25H22N4O4 |
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分子量 | 442.47 | CAS号 | 496775-61-2 | ||||||||
Solubility (25°C)* | 体外 | DMSO | 7 mg/mL (15.82 mM) | ||||||||
Water | Insoluble | ||||||||||
Ethanol | Insoluble | ||||||||||
体内(现配现用) |
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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. |
产品描述 | Eltrombopag (SB-497115),属于biarylhydrazone小分子,是一种thrombopoietin receptor (TpoR)的非肽类激动剂,用于治疗慢性丙型肝炎相关的血小板减少和慢性免疫性(自发的)血小板减少(ITP)。 | |
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体外研究 | 含有STAT激活的IRF-1启动子和人TpoR (BAF3/IRF-1/hTpoR)调控的转染荧光素酶报告基因的小鼠BAF3细胞中,Eltrombopag表现出的半数最大有效浓度(EC50) 为0.27 μM。Eltrombopag通过结合金属铁(i.e., Zn2+)和TpoR的跨膜与近膜结构域内特异性氨基酸,从而激活受体。抗磷酸- STAT5抗体免疫印迹检测表明,Eltrombopag (30 μM)激活N2C-Tpo 细胞中STAT5。培育2天后,Eltrombopag刺激增殖,对BAF3/hTpoR细胞进行BrdU测定,EC50为0.03 μM。Eltrombopag也会诱导造血干细胞分化为巨核祖细胞。Eltrombopag剂量依赖性增加骨髓CD34+细胞分化为CD41+巨核细胞,EC50为0.1 μM。[1] Eltrombopag抑制N2C-Tpo细胞和HEL92.1.7细胞增殖,IC50分别为20.7 μg/mL和2.3 μg/mL。[2]在人和小鼠白血病细胞中,Eltrombopag (20 μg/mL)导致细胞分裂率减少,细胞周期G(1)期阻滞,以及细胞分化增加。HL60 细胞中,Eltrombopag (5 μg/mL)表现出明显的分化信号,显著改变细胞核内容物的结构,并增加细胞质/细胞核比率。Eltrombopag (5 μg/mL)增加CD11b,这与U937细胞中前巨噬细胞状态一致,并引起URE细胞中CD11b的增加。白血病HL60细胞中,Eltrombopag导致细胞内游离铁离子剂量依赖性减少。[3] | |
体内研究 | Eltrombopag (10 mg/kg每天) 最后一次给药1周后,使一只黑猩猩体内的血细胞数量大约增加超过2倍,另外两只黑猩猩体内大约增加1.5倍。[1] Eltrombopag (1 mg/mL)延长白血病小鼠模型的存活时间。[3] |
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数据来源于[Data independently produced by , , J Cell Mol Med, 2018, 22(11):5367-5377]
数据来源于[Data independently produced by , , Int J Oncol, 2015, 47(5):1696-702.]
Effects of genetic ablation and pharmacological inhibition of HuR on gene expression, iron metabolism, and hormone levels [ BMC Biol, 2025, 23(1):24] | PubMed: 39849491 |
Eltrombopag Preserves the Clonogenic Potential of Hematopoietic Stem Cells During Treatment With Antithymocyte Globulin in Patients With Aplastic Anemia [ Hemasphere, 2023, 7(6):e906] | PubMed: 37304936 |
Eltrombopag binds SDC4 directly and enhances MAPK signaling and macropinocytosis in cancer cells [ Am J Cancer Res, 2022, 12(6):2697-2710] | PubMed: 35812066 |
Iron Status Influences the Response of Cord Blood Megakaryocyte Progenitors to Eltrombopag in Vitro [ Blood Adv, 2021, bloodadvances.2021004207] | PubMed: 34654056 |
Eltrombopag inhibits Type I interferon-mediated antiviral signaling by decreasing cellular iron [ Biochem Pharmacol, 2021, 186:114436] | PubMed: 33539815 |
The Thrombopoietin Receptor Agonist Eltrombopag Inhibits Human Cytomegalovirus Replication Via Iron Chelation. [ Cells, 2019, 9(1)] | PubMed: 31861948 |
The synergistic antileukemic effects of eltrombopag and decitabine in myeloid leukemia cells. [ Cancer Manag Res, 2019, 11:8229-8238] | PubMed: 31564981 |
Repurposing the thrombopoietin receptor agonist eltrombopag as an anticryptococcal agent. [ Med Mycol, 2019, myz077] | PubMed: 31297540 |
Pharmacological characterization of hetrombopag, a novel orally active human thrombopoietin receptor agonist [Xie C J Cell Mol Med, 2018, 22(11):5367-5377] | PubMed: 30156363 |
Solitary Inhibition of the Breast Cancer Resistance Protein Efflux Transporter Results in a Clinically Significant Drug-Drug Interaction with Rosuvastatin by Causing up to a 2-Fold Increase in Statin Exposure [Elsby R Drug Metab Dispos, 2016, 44(3):398-408] | PubMed: 26700956 |
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如果需要长期保存,请于零下二十度低温保存。禁止用于人体及治疗!
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