Liquiritigenin(Synonyms: 甘草素; 4′,7-Dihydroxyflavanone)

天然产物 黄酮类 Flavonoids

Liquiritigenin (Synonyms: 甘草素; 4′,7-Dihydroxyflavanone) 纯度: 99.49%

Liquiritigenin是从甘草中分离出的黄烷酮,它是一种高度选择性的雌激素受体β (ERβ) 激动剂,用于活化ERE tk-Luc的 EC50 值为36.5 nM。

Liquiritigenin(Synonyms: 甘草素; 4

Liquiritigenin Chemical Structure

CAS No. : 578-86-9

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生物活性

Liquiritigenin, a flavanone isolated from Glycyrrhiza uralensis, is a highly selective estrogen receptor β (ERβ) agonist with an EC50 of 36.5 nM for activation of the ERE tk-Luc.

IC50 & Target

EC50: 36.5 nM (activation of the ERE tk-Luc)[1]

体外研究
(In Vitro)

Liquiritigenin produces a dose-response activation of ERE tk-Luc in the U2OS cells transfected with ERβ, but not ERα. Liquiritigenin produces a dose-dependent activation and a time-dependent increase of the CECR6, NKG2E and NKD with ERβ but not with ERα. The ERβ-selectivity of liquiritigenin is due to the selective recruitment of the coactivator steroid receptor coactivator-2 to target genes. Liquiritigenin exhibits similar binding affinities for ERα and ERβ, and causes the recruitment of SRC-2 to target genes selectively in ERβ cells[1]. Pretreatment of MC3T3-E1 cells with liquiritigenin prevents the MG-induced cell death and production of protein adduct, intracellular reactive oxygen species, mitochondrial superoxide, cardiolipin peroxidation, and TNF-α in osteoblastic MC3T3-E1 cells[2].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.

体内研究
(In Vivo)

In a mouse xenograph model, liquiritigenin does not stimulate uterine size or tumorigenesis of MCF-7 breast cancer cells[1]. Treatment with liquiritigenin significantly reduces the concentrations of pro-inflammatory cytokines including interleukin (IL)-6, IL-1β and tumor necrosis factor (TNF)-α in serum and hippocampus[3].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.

分子量

256.25

Formula

C15H12O4

CAS 号

578-86-9

中文名称

甘草素

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 : 125 mg/mL (487.80 mM; Need ultrasonic)

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 3.9024 mL 19.5122 mL 39.0244 mL
5 mM 0.7805 mL 3.9024 mL 7.8049 mL
10 mM 0.3902 mL 1.9512 mL 3.9024 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:

请根据您的实验动物和给药方式选择适当的溶解方案。以下溶解方案都请先按照 In Vitro 方式配制澄清的储备液,再依次添加助溶剂:

——为保证实验结果的可靠性,澄清的储备液可以根据储存条件,适当保存;体内实验的工作液,建议您现用现配,当天使用; 以下溶剂前显示的百
分比是指该溶剂在您配制终溶液中的体积占比;如在配制过程中出现沉淀、析出现象,可以通过加热和/或超声的方式助溶

  • 1.

    请依序添加每种溶剂: 10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 2.42 mg/mL (9.44 mM); Clear solution

    此方案可获得 ≥ 2.42 mg/mL (9.44 mM,饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例,取 100 μL 24.2 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中,混合均匀;向上述体系中加入50 μL Tween-80,混合均匀;然后继续加入 450 μL生理盐水定容至 1 mL。

    将 0.9 g 氯化钠,完全溶解于 100 mL ddH₂O 中,得到澄清透明的生理盐水溶液

  • 2.

    请依序添加每种溶剂: 10% DMSO    90% (20% SBE-β-CD in saline)

    Solubility: ≥ 2.42 mg/mL (9.44 mM); Clear solution

    此方案可获得 ≥ 2.42 mg/mL (9.44 mM,饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例,取 100 μL 24.2 mg/mL 的澄清 DMSO 储备液加到 900 μL 20% 的 SBE-β-CD 生理盐水水溶液中,混合均匀。

    将 2 g 磺丁基醚 β-环糊精加入 5 mL 生理盐水中,再用生理盐水定容至 10 mL,完全溶解,澄清透明
  • 3.

    请依序添加每种溶剂: 10% DMSO    90% corn oil

    Solubility: ≥ 2.42 mg/mL (9.44 mM); Clear solution

    此方案可获得 ≥ 2.42 mg/mL (9.44 mM,饱和度未知) 的澄清溶液,此方案不适用于实验周期在半个月以上的实验。

    以 1 mL 工作液为例,取 100 μL 24.2 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中,混合均匀。

*以上所有助溶剂都可在 Shanghai Jinpan Biotech Co Ltd 网站选购。
参考文献
  • [1]. Mersereau JE, et al. Liquiritigenin is a plant-derived highly selective estrogen receptor beta agonist. Mol Cell Endocrinol. 2008 Feb 13;283(1-2):49-57.

    [2]. Suh KS, et al. Protective effect of liquiritigenin against methylglyoxal cytotoxicity in osteoblastic MC3T3-E1 cells. Food Funct. 2014 Jul 25;5(7):1432-40.

    [3]. Tao W, et al. Liquiritigenin reverses depression-like behavior in unpredictable chronic mild stress-induced mice by regulating PI3K/Akt/mTOR mediated BDNF/TrkB pathway. Behav Brain Res. 2016 Jul 15;308:177-86.

Kinase Assay
[1]

The relative binding affinity of liquiritigenin to pure full-length ERα and ERβ is determined using ERα and ERβ competitor assay kits. Fluorescence polarization of the fluorophore-tagged estrogen bound to ERα and ERβ in the presence of increasing amounts of competitor ligand or extract is determined using the GENios Pro microplate reader with fluorescein excitation (485 nM) and emission (530 nM) filters[1].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Administration
[1]

Mice: MCF-7 (250,000) cells are grafted under the kidney capsule of nude mice. Five mice per group are treated with a continuous infusion using osmotic pumps containing vehicle, E2 (0.4 mg) or liquiritigenin (2 mg) that infused 2.5 μL/h for 1 month. After one month of treatment, the tumors and uteri are removed and analyzed[1].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.

参考文献
  • [1]. Mersereau JE, et al. Liquiritigenin is a plant-derived highly selective estrogen receptor beta agonist. Mol Cell Endocrinol. 2008 Feb 13;283(1-2):49-57.

    [2]. Suh KS, et al. Protective effect of liquiritigenin against methylglyoxal cytotoxicity in osteoblastic MC3T3-E1 cells. Food Funct. 2014 Jul 25;5(7):1432-40.

    [3]. Tao W, et al. Liquiritigenin reverses depression-like behavior in unpredictable chronic mild stress-induced mice by regulating PI3K/Akt/mTOR mediated BDNF/TrkB pathway. Behav Brain Res. 2016 Jul 15;308:177-86.