Dehydrocostus Lactone

For research use only. Not for use in humans.

目录号:S3615 中文名称:去氢木香内酯

Dehydrocostus Lactone Chemical Structure

CAS No. 477-43-0

Dehydrocostus lactone (DHE)是一种天然的倍半萜内酯,抑制IKKβ活性、IκBα的磷酸化和降解、共激活子p300的招募、p50/p65 NF-κB的核转位及它们结合于COX2启动子上的能力。DHE具有抗炎、抗溃疡、抗肿瘤作用和免疫调节活性。

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客户使用Selleck生产的Dehydrocostus Lactone发表文献3篇:

产品安全说明书

IκB/IKK抑制剂选择性比较

生物活性

产品描述 Dehydrocostus lactone (DHE)是一种天然的倍半萜内酯,抑制IKKβ活性、IκBα的磷酸化和降解、共激活子p300的招募、p50/p65 NF-κB的核转位及它们结合于COX2启动子上的能力。DHE具有抗炎、抗溃疡、抗肿瘤作用和免疫调节活性。
靶点
IKKβ [2]
()
COX2 [1]
()
体外研究

Dehydrocostus lactone can inhibit PGE2 synthesis in vitro. It significantly decreases the expression of COX-2, but not that of COX-1[1]. After treatment with DHE, the glioblastoma (U118, U251 or U87) cells are significantly inhibited in their viability, proliferation and migration. At the meantime, DHE also induces mitochondria-mediated apoptosis by promoting the release of cytochrome c into cytosol, which activating caspase signaling pathway. DHE significantly suppresses COX-2 expression by inhibiting the phosphorylation of IKKβ via targeting the ATP-binding site, thereby abrogating NF-κB binding and p300 recruitment to COX-2 promoter. DHE suppresses clonogenic and migratory ability of glioblastoma cells and induces apoptosis through mitochondrial pathway[2].

体内研究 Dehydrocostus lactone suppresses the growth of colorecral cancer xenografts transplanted by colon cancer cell line colo205 in athymic mice. The inhibition effect is dose dependent[1]. DHE can cross blood-brain barrier (BBB). Treatment with DHE markedly inhibits neoplastic weight and volume without the notable adverse effects in the xenograft nude mice model, and these effects may be mediated through inhibition of the IKKβ/NF-κB/COX-2 signaling pathway[2].

推荐的实验操作(此推荐来自于公开的文献所以Selleck并不保证其有效性)

细胞实验:[2]
- 合并
  • Cell lines: U118, U251 and U87 cells
  • Concentrations: 0, 1, 10, 25, 50 and 100 μM
  • Incubation Time: 12, 24, 36 or 48 h
  • Method: U118 (6×103 cells/well), U251 (8×103 cells/well) and U87 (7×103 cells/well) cells are counted and allowed to adhere to obtain 70% confluent monolayer. Following this, the cells are treated with different concentrations of DHE as indicated. After incubation for 12, 24, 36 or 48 h, 10 μl of MTT (5 mg/ml) is added to each well and the cells are incubated for another 4 h. Subsequently, the medium is replaced with 100 μl of DMSO to dissolve formazan crystals. The absorbance is measured at 570 nm using a microplate reader. Each experiment is repeated at least three times. The IC50 values are calculated by interpolation from dose-response curves.
    (Only for Reference)
动物实验:[2]
- 合并
  • Animal Models: The female athymic nude mice (4-6 weeks old) and Sprague Dawley rats (8-10 weeks old)
  • Dosages: 10 and 20 mg/kg
  • Administration: i.p.
    (Only for Reference)

溶解度 (25°C)

体外 DMSO 46 mg/mL (199.73 mM)
Ethanol 46 mg/mL (199.73 mM)
Water Insoluble

* 溶解度检测是由Selleck技术部门检测的,可能会和文献中提供的溶解度有所差异,这是由于生产工艺和批次不同产生的正常现象。请按照顺序依次加入各个纯溶剂。

化学数据

分子量 230.30
化学式

C15H18O2

CAS号 477-43-0
储存条件 粉状
溶于溶剂
别名 N/A

动物体内配方计算器 (澄清溶液)

第一步:请输入基本实验信息(考虑到实验过程中的损耗,建议多配一只动物的药量)
给药剂量 mg/kg 动物平均体重 g 每只动物给药体积 ul 动物数量
第二步:请输入动物体内配方组成(配方适用于不溶于水的药物;不同批次药物配方比例不同,请联系Selleck为您提供正确的澄清溶液配方)
% DMSO % % Tween 80 % ddH2O
计算重置

计算器

摩尔浓度计算器

摩尔浓度计算器

本计算器可帮助您计算出特定溶液中溶质的质量、溶液浓度和体积之间的关系,公式为:

质量 (mg) = 浓度 (mM) x 体积 (mL) x 分子量 (g/mol)

摩尔浓度计算公式

  • 质量
    浓度
    体积
    分子量

*在配置溶液时,请务必参考Selleck产品标签上、SDS / COA(可在Selleck的产品页面获得)批次特异的分子量使用本工具。

稀释计算器

稀释计算器

用本工具协助配置特定浓度的溶液,使用的计算公式为:

开始浓度 x 开始体积 = 最终浓度 x 最终体积

稀释公式

稀释公式一般简略地表示为: C1V1 = C2V2 ( 输入 输出 )

  • C1
    V1
    C2
    V2

在配置溶液时,请务必参考Selleck产品标签上、SDS / COA(可在Selleck的产品页面获得)批次特异的分子量使用本工具。.

连续稀释计算器方程

  • 连续稀释

  • 计算结果

  • C1=C0/X C1: LOG(C1):
    C2=C1/X C2: LOG(C2):
    C3=C2/X C3: LOG(C3):
    C4=C3/X C4: LOG(C4):
    C5=C4/X C5: LOG(C5):
    C6=C5/X C6: LOG(C6):
    C7=C6/X C7: LOG(C7):
    C8=C7/X C8: LOG(C8):
分子量计算器

分子量计算器

通过输入化合物的化学式来计算其分子量:

总分子量:g/mol

注:化学分子式大小写敏感。C10H16N2O2 c10h16n2o2

摩尔浓度计算器

质量 浓度 体积 分子量
计算

临床试验信息

NCT Number Recruitment interventions Conditions Sponsor/Collaborators Start Date Phases
NCT03874832 Completed Drug: Dihydroergotamine Migraine With Aura|Migraine Without Aura|Migraine Satsuma Pharmaceuticals Inc. September 11 2018 Phase 1
NCT03451162 Completed Drug: DHES0815A Breast Cancer Genentech Inc. April 17 2018 Phase 1
NCT01468558 Completed Drug: MAP0004|Drug: IV DHE|Drug: Ketoconazole Healthy Allergan|MAP Pharmaceuticals Inc. a wholly owned subsidiary of Allergan July 2010 Phase 1
NCT02862886 Completed Other: myometrium biopsy Pregnancy Centre Hospitalier Universitaire Dijon July 2010 Not Applicable
NCT01199965 Completed Drug: MAP0004|Drug: IV DHE Healthy Subjects Allergan|MAP Pharmaceuticals Inc. a wholly owned subsidiary of Allergan January 2010 Phase 1|Phase 2

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID