Silvestrol (Synonyms:(--Silvestrol))
目录号 : KM8382 CAS No. : 697235-38-4 纯度 : 98%

Silvestrol 是从 Aglaia foveolata 的果实和枝条中分离的真核翻译起始因子 (eIF4A) 抑制剂。Silvestrol 诱导细胞自噬以及 caspase 介导的细胞凋亡。

规格 价格 是否有货 数量
1mg
In-stock
2mg
In-stock
5mg
In-stock
10mg
In-stock
50mg 询价 In-stock
100mg 询价 In-stock

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生物活性

Silvestrol is a eukaryotic translation initiation factor 4A (eIF4A) inhibitor isolated from the fruits and twigs of Aglaia foveolata. Silvestrol induces autophagy and caspase-mediated apoptosis.

体外研究

Silvestrol is a specific eIF4A-targeting translation inhibitor. Silvestrol exhibits significant cytotoxic activity against many human cancer cell lines, such as lung, prostate, and breast cancer with IC50 values ranging from 1 to 7 nM.
Silvestrol significantly reduces the number of LNCaP cell colonies. Silvestrol (30 nM, 120 nM) induces apoptosis in LNCaP cells, through the mitochondrial pathway. Apaf-1, Caspase-2, caspase-9, and caspase-10 are involved in Silvestrol-induced apoptosis but caspase-3 and 7 are not.
Silvestrol induces caspase-3 activation and apoptotic cell death in a time- and dose-dependent manner. Silvestrol-mediated cell death is attenuated in ATG7-null mouse embryonic fibroblasts (MEFs) lacking a functional autophagy protein.
Silvestrol (50 nM) exerts an immediate inhibitory effect and causes near-static cell index compared with the control cells. Silvestrol (6.25 nM) enhances proliferation more than the vehicle control-treated cells, whereas a higher concentration of Silvestrol (50 nM) can inhibit cell proliferation. Silvestrol and episilvestrol display synergistic effects in combination with CDDP.

体内研究

Silvestrol (1.5 mg/kg, i.p.) does not adversely affect production of human IgG by xenografted B-lymphocytes in mice. Silvestrol significantly prolongs survival compared to vehicle. There is no such lymphocyte infiltration detected in the spleens of any of the Silvestrol-treated mice, and nor do these animals exhibit any other obvious signs of lymphoma upon necropsy.

分子式
C34H38O13
分子量
654.66
CAS号
697235-38-4
运输条件

Room temperature in continental US; may vary elsewhere.

储存方式
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
溶解性数据
In Vitro: 

DMSO : ≥ 6.6 mg/mL (10.08 mM)

H2O : < 0.1 mg/mL (insoluble)

* "≥" means soluble, but saturation unknown.

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 1.5275 mL 7.6376 mL 15.2751 mL
5 mM 0.3055 mL 1.5275 mL 3.0550 mL
10 mM 0.1528 mL 0.7638 mL 1.5275 mL
*

请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;一旦配成溶液,请分装保存,避免反复冻融造成的产品失效。
储备液的保存方式和期限:-80°C, 6 months; -20°C, 1 month。-80°C 储存时,请在 6 个月内使用,-20°C 储存时,请在 1 个月内使用。

In Vivo:
  • 1.

    Silvestrol is prepared in 5.2% Tween 80 5.2% PEG 400.

  • 2.

    Silvestrol is dissolved in 20%(w/v) 2-hydroxyproply beta-cyclodextrin vehicle at a concentration of 125 μg/mL and injected into mice i.p..

  • 3.

    Silvestrol is formulated in 30% 2-hydroxypropyl-β-cyclodextrin.

科研文献
The molarity calculator equation
Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)
The dilution calculator equation
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
This equation is commonly abbreviated as: C1V1 = C2V2
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