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恩替卡韦 /Entecavir {[allProObj[0].p_purity_real_show]}

货号:A948237 同义名: 恩替卡韦 / BMS200475;SQ34676

Entecavir is a guanosine analogue that inhibits reverse transcription, DNA replication and transcription in the viral replication process, and is a potent, orally-active and selective inhibitor of HBV with an EC50 of 3.75 nM in HepG2 cell.

Entecavir 化学结构 CAS号:142217-69-4
Entecavir 化学结构
CAS号:142217-69-4
Entecavir 3D分子结构
CAS号:142217-69-4
Entecavir 化学结构 CAS号:142217-69-4
Entecavir 3D分子结构 CAS号:142217-69-4
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Entecavir 纯度/质量文件 产品仅供科研

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Entecavir 生物活性

描述 Entecavir( BMS-200475) is a guanosine analogue that inhibits reverse transcription, DNA replication and transcription in the viral replication process, and is a potent, orally-active and selective inhibitor of HBV with an EC50 of 3.75 nM in HepG2 cell.[3]. BMS-200475 has a EC50 of 3.75 nM against HBV. It is incorporated into the protein primer of HBV and subsequently inhibits the priming step of the reverse transcriptase. The antiviral activity of BMS-200475 is significantly less against the other RNA and DNA viruses. Entecavir is more readily phosphorylated to its active metabolites than other deoxyguanosine analogs (penciclovir, ganciclovir, lobucavir, and aciclovir) or lamivudine. The intracellular half-life of entecavir is 15 h[4].BMS-200475-TP and lobucavir-TP competitively inhibit HBV Pol and WHV Pol with respect to the natural dGTP substrate and that both drugs appear to bind to Pol with very high affinities. BMS-200475-TP and lobucavir-TP are nonobligate chain terminators that stall Pol at sites that are distinct yet characteristically two to three residues downstream from dG incorporation sites[5].The concentration of BMS-200475 causing 50% cytotoxicity in 2.2.15 cell cultures was 30 microM, approximately 8,000-fold greater than the concentration required to inhibit HBV replication in the same cell line. Treatment with BMS-200475 resulted in no apparent inhibitory effects on mitochondrial DNA content[6].

Entecavir 临床研究

NCT号 适应症或疾病 临床期 招募状态 预计完成时间 地点
NCT01026610 Chronic Hepatitis B Phase 2 Completed - China ... 展开 >> Queen Mary Hospital Hong Kong, China Korea, Republic of Inha University Hospital Incheon, Inchen, Korea, Republic of Hanyang University Guri Hospital Guri, Kyunggi-do, Korea, Republic of Kyungpook National University Hospital Daegu, Korea, Republic of Pusan National University Yangsan Hospital Pusan, Korea, Republic of Kangnam Severance Hospital, Yonsei University Seoul, Korea, Republic of Korea University Medical Center Seoul, Korea, Republic of Severance Hospital of Yonsei University Seoul, Korea, Republic of The Catholic University of Korea, Seoul St. Mary's Hospital Seoul, Korea, Republic of Ulsan University Hospital Ulsan, Korea, Republic of 收起 <<
NCT01715987 - Terminated - United States, California ... 展开 >> Asian Pacific Liver Center at St. Vincent Medical Center Los Angeles, California, United States, 90057 United States, New York New Discovery LLC New York, New York, United States, 11355 收起 <<
NCT00065507 Hepatitis B Phase 3 Completed - -

Entecavir 参考文献

[1]Cheng JW, Merl MY, Nguyen HM. Effect of nesiritide on renal function: a retrospective review. Curr Med Res Opin. 2005 Nov;21(11):1857-63.

[2]Winter RW, Ignatushchenko M, et al. Potentiation of an antimalarial oxidant drug. Antimicrob Agents Chemother. 1997 Jul;41(7):1449-54.

[3]Mathumai Kanapathipillai. Treating p53 Mutant Aggregation-Associated Cancer. Cancers (Basel). 2018 May 23;10(6):154.

[4] Rivkin A, et al. A review of entecavir in the treatment of chronic hepatitis B infection. Curr Med Res Opin.?2005 Nov;21(11):1845-57.

[5] M Seifer 1, R K Hamatake, R J Colonno, D N Standring,Affiliations expand. In vitro inhibition of hepadnavirus polymerases by the triphosphates of BMS-200475 and lobucavir. Antimicrob Agents Chemother.1998 Dec;42(12):3200-8.

[6]S F Innaimo, M Seifer, G S Bisacchi,et al. Identification of BMS-200475 as a potent and selective inhibitor of hepatitis B virus. Antimicrob Agents Chemother. 1997 Jul;41(7):1444-8.

Entecavir 实验方案

计算器
存储液制备 1mg 5mg 10mg

1 mM

5 mM

10 mM

3.61mL

0.72mL

0.36mL

18.03mL

3.61mL

1.80mL

36.06mL

7.21mL

3.61mL

Entecavir 技术信息

CAS号142217-69-4
分子式C12H15N5O3
分子量 277.279
别名 恩替卡韦 ;BMS200475;SQ34676
运输蓝冰
存储条件

液体 -20°C:3-6个月-80°C:12个月

粉末 Inert atmosphere,Store in freezer, under -20°C

溶解度

DMSO: 45 mg/mL(162.29 mM),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

动物实验配方
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