Terfenadine(Synonyms: 特非那定; (±)-Terfenadine; MDL-991)

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Terfenadine (Synonyms: 特非那定; (±)-Terfenadine; MDL-991) 纯度: 99.93%

Terfenadine ((±)-Terfenadine) 是一种有效的 hERG 开放通道抑制剂, IC50为 204 nM。Terfenadine 也是一种 H1 组胺受体 (histamine receptor) 拮抗剂，通过调节 Ca2+ 稳态在黑素瘤细胞中起到有效的细胞凋亡诱导作用。 Terfenadine 诱导 ROS 依赖性细胞凋亡，同时激活 Caspase-4，-2，-9。

Terfenadine(Synonyms: 特非那定; (±)-Terfenadine; MDL-991)

Terfenadine Chemical Structure

CAS No. : 50679-08-8

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10 mM * 1 mL in DMSO ￥550 In-stock
100 mg ￥500 In-stock
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生物活性

Terfenadine ((±)-Terfenadine) is a potent open-channel blocker of hERG with an IC50 of 204 nM[1]. Terfenadine, an H1 histamine receptor antagonist, acts as a potent apoptosis inducer in melanoma cells through modulation of Ca2+ homeostasis. Terfenadine induces ROS-dependent apoptosis, simultaneously activates Caspase-4, -2, -9[2].

IC50 & Target

Caspase-4

 

Caspase-2

 

Caspase-9

 

体外研究
(In Vitro)

Terfenadine ((±)-Terfenadine) (4-20 μM; 24 hours) induces dose and time-dependent apoptosis on A375 melanoma cells. The IC50 after 24 h of TEF treatment in complete medium was 10.4 μM for A375 cells, 9.9 μM for Hs294T cells and 9.6 for HT144 cells[2].
Terfenadine (2-10 μM; 8 hours) induces dose-dependent cytotoxicity[2].
Terfenadine (10 μM; 8 hours) causes a massive vacuolization of the cytoplasm and autophagic vacuoles of both double and multiple membranes and at various stages. Terfenadine induces autophagy by ROS-dependent and -independent mechanisms[2].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.

Apoptosis Analysis[2]

Cell Line: A375, HT144 and Hs294T cells
Concentration: 4, 8, 12, 16, 20 μM
Incubation Time: 24 hours
Result: Induced dose and time-dependent apoptosis.

Cell Cytotoxicity Assay[2]

Cell Line: A375 melanoma cells
Concentration: 2, 4, 6, 8, 10 μM
Incubation Time: 8 hours
Result: Induces dose-dependent cytotoxicity.

Cell Autophagy Assay[2]

Cell Line: A375 cells
Concentration: 10 μM
Incubation Time: 8 hours
Result: Caused a massive vacuolization of the cytoplasm and autophagic vacuoles of both double and multiple membranes and at various stages.

体内研究
(In Vivo)

Terfenadine (p.o.; 40 mg/kg; for 16 days) produces a significant inhibition of tumour growth rate and enhances the anti-cancer effect of EPI in chemo-resistant NSCLC xenograft models[3].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: 6-week-old male BALB/cA-nu mice[3]
Dosage: 40 mg/kg
Administration: P.o.; for 16 days
Result: Produced a significant inhibition of tumour growth rate.

分子量

471.67

Formula

C32H41NO2
CAS 号

50679-08-8
中文名称

特非那定；特非那丁；叔哌丁醇
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 : ≥ 50 mg/mL (106.01 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 2.1201 mL 10.6006 mL 21.2013 mL
5 mM 0.4240 mL 2.1201 mL 4.2403 mL
10 mM 0.2120 mL 1.0601 mL 2.1201 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: ≥ 2.5 mg/mL (5.30 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (5.30 mM，饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例，取 100 μL 25.0 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: ≥ 2.5 mg/mL (5.30 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (5.30 mM，饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例，取 100 μL 25.0 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: ≥ 2.5 mg/mL (5.30 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (5.30 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 25.0 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 上海金畔生物科技有限公司 网站选购。
参考文献

  • [1]. Kamiya K, et al. Molecular determinants of hERG channel block by terfenadine and cisapride. J Pharmacol Sci. 2008 Nov;108(3):301-307.

    [2]. Nicolau-Galmés F, et al. Terfenadine induces apoptosis and autophagy in melanoma cells through ROS-dependent and -independent mechanisms. Apoptosis. 2011 Dec;16(12):1253-67.

    [3]. An L, et al. Terfenadine combined with epirubicin impedes the chemo-resistant human non-small cell lung cancer both in vitro and in vivo through EMT and Notch reversal. Pharmacol Res. 2017 Oct;124:105-115.

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