1. MAPK/ERK Pathway Stem Cell/Wnt Apoptosis Metabolic Enzyme/Protease
  2. ERK Caspase Endogenous Metabolite Apoptosis
  3. Tauroursodeoxycholate

Tauroursodeoxycholate  (Synonyms: 牛磺熊去氧胆酸; Tauroursodeoxycholic acid; TUDCA; UR 906)

目录号: HY-19696 纯度: 99.91%
COA 产品使用指南

Tauroursodeoxycholate (Tauroursodeoxycholic acid) 是一种内质网应激抑制剂。Tauroursodeoxycholate 显著降低凋亡分子如 caspase-3caspase-12 表达。Tauroursodeoxycholate 也抑制 ERK

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Tauroursodeoxycholate Chemical Structure

Tauroursodeoxycholate Chemical Structure

CAS No. : 14605-22-2

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Top Publications Citing Use of Products

MCE 顾客使用本产品发表的 54 篇科研文献

WB

    Tauroursodeoxycholate purchased from MCE. Usage Cited in: BMC Mol Cell Biol. 2023 Mar 3;24(1):7.  [Abstract]

    Tauroursodeoxycholate (TUDCA; 2 mM) not only suppresses the expression of RPL11-induced ERS-related proteins but also markedly mitigates the expression of LC3-II and BECN1 and increases the expression of p62 in RPL11-overexpressing NSCLC cells.

    Tauroursodeoxycholate purchased from MCE. Usage Cited in: Biochem Pharmacol. 2018 May 24;154:278-292.  [Abstract]

    TUDCA treatment inhibits the secretion of active IL-1β into cell culture media by Acetaminophen (APAP).

    Tauroursodeoxycholate purchased from MCE. Usage Cited in: Fundam Clin Pharmacol. 2018 Aug;32(4):363-377.  [Abstract]

    Effect of TUDCA and Fluoxetine on chronic unpredictable stress (CUS)-induced increase in Iba-1 protein expression in mice hippocampus and prefrontal cortex.
    • 生物活性

    • 实验参考方法

    • 纯度 & 产品资料

    • 参考文献

    生物活性

    Tauroursodeoxycholate (Tauroursodeoxycholic acid) is an endoplasmic reticulum (ER) stress inhibitor. Tauroursodeoxycholate significantly reduces expression of apoptosis molecules, such as caspase-3 and caspase-12. Tauroursodeoxycholate also inhibits ERK.

    IC50 & Target[1][2]

    ERK

     

    Caspase-3

     

    Caspase-12

     

    Human Endogenous Metabolite

     

    体外研究
    (In Vitro)

    Tauroursodeoxycholate (TUDCA) 通过 PKCα 诱导丝裂原活化蛋白激酶磷酸酶 1 (MKP-1),抑制 ERK 磷酸化,从而抑制血管平滑肌细胞 (VSMC) 的活力和迁移。Tauroursodeoxycholate 通过 Ca2+ 依赖性 PKCα 易位抑制 ERK,从而抑制 VSMC 的增殖和迁移。Tauroursodeoxycholate 可防止血小板衍生生长因子 (PDGF) 和血管损伤诱导的 MMP-9 表达。使用特异性 si-RNA 敲低 MKP-1 可恢复 Tauroursodeoxycholate (200 μM) 降低的 VSMC 活力,这表明 Tauroursodeoxycholate 的抗增殖作用取决于 MKP-1 的表达[1]

    MCE has not independently confirmed the accuracy of these methods. They are for reference only.

    体内研究
    (In Vivo)

    使用免疫组织化学法检测增殖细胞核抗原 (PCNA) 和转移酶 dUTP 缺口末端标记 (TUNEL) 测定,检查 Tauroursodeoxycholate (TUDCA) 对体内 VSMC 增殖和凋亡的影响。Tauroursodeoxycholate (10、50 和 100 mg/kg) 以剂量依赖性方式增加受损组织的 caspase 3 活性,表明 Tauroursodeoxycholate 诱导新内膜中 VSMC 的凋亡。使用受伤的组织,在受伤后 1 周与正常对照相比,进一步检查和比较 ERKMMP-9 表达的磷酸化水平。球囊损伤增加了组织中 ERK 的磷酸化和 MMP-9 的表达。Tauroursodeoxycholate (10、50 和 100 mg/kg) 以剂量依赖性方式抑制 ERKMMP-9 表达的磷酸化[1]
    Tauroursodeoxycholate (TUDCA) 是一种亲水性胆汁酸。Tauroursodeoxycholate 作为细胞保护剂可改善肝功能,并可通过减少内质网应激和细胞凋亡来预防肝细胞癌。Tauroursodeoxycholate 显著降低凋亡分子的表达,如 caspase-3、caspase-12、C/EBP 同源蛋白、c-Jun N-末端激酶 (JNK)、激活转录因子 4 (ATF4)、X-box 结合蛋白 (XBP)),以及 Ang II 诱导的 ApoE-/- 小鼠中的真核起始因子 2α (eIF2α) (p<0.05)。Tauroursodeoxycholate 减少 ApoE-/- 小鼠中血管紧张素 (Ang) II 诱导的腹主动脉瘤 (AAA) 形成。Tauroursodeoxycholate 以 0.5 g/kg/天的剂量用于处理 Ang II 诱导的 ApoE-/- 小鼠 (ER 应激抑制剂组)。收缩压 (141.3±5.6 mmHg vs 145.9±8.9 mmHg;p>0.05) 和总胆固醇水平 (663.6±88.7 mg/dL vs 655.7±65.4 mg/dL;p>0.05) 在 AAA 模型之间没有差异组和 Tauroursodeoxycholate 组。此外,与 AAA 模型组相比,Tauroursodeoxycholate 组的最大主动脉直径明显更小 (0.95±0.03 mm vs 1.79±0.04 mm;p<0.05)。Tauroursodeoxycholate 组的 AAA 病变面积也小于 AAA 模型组 (0.37±0.03 mm2 vs 1.51±0.06 mm;p<0.05)[2]

    MCE has not independently confirmed the accuracy of these methods. They are for reference only.

    Clinical Trial
    分子量

    499.70

    Formula

    C26H45NO6S

    CAS 号
    性状

    固体

    颜色

    White to off-white

    中文名称

    牛磺熊去氧胆酸;牛磺熊脱氧胆酸

    结构分类
    初始来源
    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 中的溶解度 : 50 mg/mL (100.06 mM; 超声助溶; 吸湿的 DMSO 对产品的溶解度有显著影响,请使用新开封的 DMSO)

    H2O 中的溶解度 : 25 mg/mL (50.03 mM; 超声助溶 (<60°C))

    配制储备液
    浓度 溶剂体积 质量 1 mg 5 mg 10 mg
    1 mM 2.0012 mL 10.0060 mL 20.0120 mL
    5 mM 0.4002 mL 2.0012 mL 4.0024 mL
    查看完整储备液配制表

    * 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。

    * 备注:如您选择水作为储备液,请稀释至工作液后,再用 0.22 μm 的滤膜过滤除菌后使用。

    • 摩尔计算器

    • 稀释计算器

    Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

    质量
    =
    浓度
    ×
    体积
    ×
    分子量 *

    Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

    This equation is commonly abbreviated as: C1V1 = C2V2

    浓度 (start)

    C1

    ×
    体积 (start)

    V1

    =
    浓度 (final)

    C2

    ×
    体积 (final)

    V2

    In Vivo:

    以下溶解方案,请直接配置工作液。建议现用现配,在短期内尽快用完。 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。

    • 方案 一

      请依序添加每种溶剂: PBS

      Solubility: 100 mg/mL (200.12 mM); 澄清溶液; 超声助溶

    动物溶解方案计算器
    请输入动物实验的基本信息:

    给药剂量

    mg/kg

    动物的平均体重

    g

    每只动物的给药体积

    μL

    动物数量

    由于实验过程有损耗,建议您多配一只动物的量
    计算结果
    工作液所需浓度 : mg/mL
    该产品水溶性佳,请具体参考实测 水 / PBS / Saline 中的溶解度数据。
    您所需的储备液浓度超过该产品的实测溶解度,如有需要,请与 MCE 中国技术支持联系。
    纯度 & 产品资料

    纯度: 99.91%

    参考文献
    Cell Assay
    [1]

    Cell viability and proliferation are measured using Ez-Cytox. VSMCs (5×103 cells) are seeded onto 96-well plates in Smooth Muscle Cell Growth Medium 2 (SMCGM2) and cultured. After serum starvation, Tauroursodeoxycholate (0, 50, 100, and 200 μM) is added to the hVSMCs, with or without 1,2-bis(o-aminophenoxy) ethane-N,N,N′,N′-tetraacetic acid tetra(acetoxymethyl) ester (BAPTA, 10 μM) and 7-hydroxystaurosporine (H7, 10 μM) and cultured for 24 h. To assess the effect of Tauroursodeoxycholate on the PDGF-stimulated hVSMC proliferation, hVSMCs are seeded onto 96-well plates and cultured. After serum starvation, Tauroursodeoxycholate (0, 50, 100, and 200 μM) is added to the hVSMCs, with or without PDGF-BB (50 ng/mL) and cultured. After addition of 10 μL of Ez-Cytox into each well, cell viability is evaluated by measuring the optical density at 450 nm[1].

    MCE has not independently confirmed the accuracy of these methods. They are for reference only.

    Animal Administration
    [1][2]

    Rats[1]
    Sprague-Dawley rats are anaesthetized with a combined anaesthetic (Ketamine, 70 mg/kg; Xylazine, 7 mg/kg ip). Tauroursodeoxycholate is administered orally once a day, in different concentrations (i.e. vehicle, 10, 50, and 100 mg/kg) for 2 weeks. The carotid arteries are fixed by perfusion with 4% formaldehyde, then the tissues are embedded in paraffin, and sections (8 μm) are stained with H&E[1].
    Mice[2]
    Thirty ApoE-/- C57BL/6 male mice aged 8 weeks are randomly divided into three groups (n=10 in each group): (i) sham operated and injected with physiologic (0.9%) saline as vehicle (normal: group); (ii) mini-osmotic pumps are implanted subcutaneously into the right flank of ApoE-/- mice to release Ang II (1000 ng/kg/min) over the course of 28 days (AAA model group); (iii) AAA model mice treated with Tauroursodeoxycholate daily for 4 weeks at a dosage of 0.5 g/kg/day in drinking water (Tauroursodeoxycholate group). Mice are sacrificed after 28 days of Ang II infusion[2].

    MCE has not independently confirmed the accuracy of these methods. They are for reference only.

    参考文献

    完整储备液配制表

    * 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。

    可选溶剂 浓度 溶剂体积 质量 1 mg 5 mg 10 mg 25 mg
    H2O / DMSO 1 mM 2.0012 mL 10.0060 mL 20.0120 mL 50.0300 mL
    5 mM 0.4002 mL 2.0012 mL 4.0024 mL 10.0060 mL
    10 mM 0.2001 mL 1.0006 mL 2.0012 mL 5.0030 mL
    15 mM 0.1334 mL 0.6671 mL 1.3341 mL 3.3353 mL
    20 mM 0.1001 mL 0.5003 mL 1.0006 mL 2.5015 mL
    25 mM 0.0800 mL 0.4002 mL 0.8005 mL 2.0012 mL
    30 mM 0.0667 mL 0.3335 mL 0.6671 mL 1.6677 mL
    40 mM 0.0500 mL 0.2502 mL 0.5003 mL 1.2508 mL
    50 mM 0.0400 mL 0.2001 mL 0.4002 mL 1.0006 mL
    DMSO 60 mM 0.0334 mL 0.1668 mL 0.3335 mL 0.8338 mL
    80 mM 0.0250 mL 0.1251 mL 0.2502 mL 0.6254 mL
    100 mM 0.0200 mL 0.1001 mL 0.2001 mL 0.5003 mL

    * 备注:如您选择水作为储备液,请稀释至工作液后,再用 0.22 μm 的滤膜过滤除菌后使用。

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