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  2. Casein Kinase
  3. TBB

TBB  (Synonyms: NSC 231634; Casein Kinase II Inhibitor I)

目录号: HY-14394 纯度: 99.31%
COA 产品使用指南

TBB是可渗透细胞,ATP竞争型的 CK2 抑制剂,抑制大鼠肝脏CK2的 IC50 值为0.15 μM。

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TBB Chemical Structure

TBB Chemical Structure

CAS No. : 17374-26-4

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     可免费申领三个不同产品的试用装。

3.  试用装只面向终端客户

规格 价格 是否有货 数量
10 mM * 1 mL in DMSO ¥330
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5 mg ¥300
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10 mg ¥400
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25 mg ¥700
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50 mg ¥1000
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100 mg ¥1500
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500 mg   询价  

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Top Publications Citing Use of Products

    TBB purchased from MCE. Usage Cited in: Biochem Biophys Res Commun. 2020 Apr 2;524(2):280-287.  [Abstract]

    Western blot analysis of Tcf7l1 protein levels in mESCs pre-treated with the indicative different small molecules for 1 h and then treated with CHIR for 24 h.

    TBB purchased from MCE. Usage Cited in: Biochem Pharmacol. 2018 Feb;148:41-51.  [Abstract]

    Knockdown of CK2α expression with siRNA inhibits the expressions of fibronectin (FN) and intercellular adhesion molecule-1 (ICAM-1) in glomerular mesangial cells (GMCs)s induced by TBB (1 μM).

    TBB purchased from MCE. Usage Cited in: Biochem Pharmacol. 2018 Feb;148:41-51.  [Abstract]

    Inhibition of CK2α activity by TBB shows a similar effect, restrains the expression of myocardin-related transcription factor A (MRTF-A) in kidneys of diabetic mice.

    查看 Casein Kinase 亚型特异性产品:

    • 生物活性

    • 实验参考方法

    • 纯度 & 产品资料

    • 参考文献

    生物活性

    TBB is a cell-permeable and ATP-competitive CK2 inhibitor with an IC50 of 0.15 μM for rat liver CK2.

    IC50 & Target[5]

    CK2

    0.15 μM (IC50, Human CK2)

    PIM1

    1.04 μM (IC50)

    PIM2

    4.3 μM (IC50)

    PIM3

    0.86 μM (IC50)

    HIPK2

    5.3 μM (IC50)

    HIPK3

    4.9 μM (IC50)

    DYRK1a

    4.36 μM (IC50)

    DYRK2

    0.99 μM (IC50)

    DYRK3

    5.3 μM (IC50)

    PKD1

    5.9 μM (IC50)

    CDK2

    14 μM (IC50)

    体外研究
    (In Vitro)

    Investigation of the inhibitory power of TBB with a panel of 33 protein kinases shows highest potency for CK2 (casein kinase 2) (human CK2: IC50=1.6 μM at 100 μM ATP). TBB also inhibits three other kinases with less potency: CDK2 (IC50=15.6 μM), phosphorylase kinase (IC50=8.7 μM) and glycogen synthase kinase 3β (GSK3β) (IC50=11.2 μM). All other kinases tested have IC50 values 50-fold greater than that for CK2[1]. The viability of the androgen insensitive PC-3 cells may be diminished by TBB (60 μM TBB) acting either alone or combined with anticancer agents CPT or TRAIL when a proper time schedule of the administration is applied. The time schedule-dependent activity of TBB does not come from its effect on apoptosis in PC-3 cells[2]. TBB is an ATP/GTP competitive inhibitor of protein kinase casein kinase-2 (CK2), has been examined against a panel of 33 protein kinases, either Ser/Thr- or Tyr-specific. In the presence of 10 μM TBB (and 100 μM ATP) only CK2 is drastically inhibited (>85%) whereas three kinases (phosphorylase kinase, glycogen synthase kinase 3L and cyclin-dependent kinase 2/cyclin A) underwent moderate inhibition, with IC50 values one-two orders of magnitude higher than CK2 (IC50=0.9 μM). TBB also inhibits endogenous CK2 in cultured Jurkat cells[3].

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

    体内研究
    (In Vivo)

    The extent of retinal neovascularization in a mouse OIR model is reduced by approximately 60% after treatment with TBB (6 days at 60 mg/kg per day)[4].

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

    分子量

    434.71

    Formula

    C6HBr4N3

    CAS 号
    性状

    固体

    颜色

    Off-white to yellow

    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 2 years
    -20°C 1 year
    溶解性数据
    In Vitro: 

    DMSO 中的溶解度 : ≥ 100 mg/mL (230.04 mM; 吸湿的 DMSO 对产品的溶解度有显著影响,请使用新开封的 DMSO)

    * "≥" 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 2.3004 mL 11.5019 mL 23.0038 mL
    5 mM 0.4601 mL 2.3004 mL 4.6008 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, 2 years; -20°C, 1 year。-80°C储存时,请在2年内使用, -20°C储存时,请在1年内使用。

    • 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:

    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

    • 方案 一

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

      Solubility: ≥ 2.5 mg/mL (5.75 mM); 澄清溶液

      此方案可获得 ≥ 2.5 mg/mL(饱和度未知)的澄清溶液。

      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;再向上述体系中加入 50 μL Tween-80,混合均匀;然后再继续加入 450 μL 生理盐水 定容至 1 mL

      生理盐水的配制:将 0.9 g 氯化钠,溶解于 ddH₂O 并定容至 100 mL,可以得到澄清透明的生理盐水溶液。
    • 方案 二

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

      Solubility: 2.5 mg/mL (5.75 mM); 悬浊液; 超声助溶

      此方案可获得 2.5 mg/mL的均匀悬浊液,悬浊液可用于口服和腹腔注射。

      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。

      20% SBE-β-CD in Saline 的配制(4°C,储存一周):2 g SBE-β-CD(磺丁基醚 β-环糊精)粉末定容于 10 mL 的生理盐水中,完全溶解至澄清透明。
    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
    请输入您的动物体内配方组成:
    %
    DMSO +
    +
    %
    Tween-80 +
    %
    Saline
    如果您的动物是免疫缺陷鼠或者体弱鼠,建议 DMSO 中的在最后工作液体系中的占比尽量不超过 2%。
    方案所需 助溶剂 包括:DMSO ,均可在 MCE 网站选购。 Tween 80,均可在 MCE 网站选购。
    计算结果
    工作液所需浓度 : mg/mL
    储备液配制方法 : mg 药物溶于 μL  DMSO(母液浓度为 mg/mL)。
    您所需的储备液浓度超过该产品的实测溶解度,以下方案仅供参考,如有需要,请与 MCE 中国技术支持联系。
    动物实验体内工作液的配制方法 : 取 μL DMSO 储备液,加入 μL  μL ,混合均匀至澄清,再加 μL Tween 80,混合均匀至澄清,再加 μL 生理盐水
    连续给药周期超过半月以上,请谨慎选择该方案。
    请确保第一步储备液溶解至澄清状态,从左到右依次添加助溶剂。您可采用超声加热 (超声清洗仪,建议频次 20-40 kHz),涡旋吹打等方式辅助溶解。
    纯度 & 产品资料

    纯度: 99.31%

    参考文献
    Cell Assay
    [2]

    PC-3 or HeLa cells are cultured routinely in RPMI-1640 and DMEM media, respectively, which are supplemented with 10% FBS, Penicillin (100 U/mL) and Streptomycin (100 μg/mL) at 37°C in a humidified atmosphere of 5% CO2. Cells are seeded at 5×104 cells/well (PC-3) or 2×104 (HeLa) in 24-wells plates and cultured for 72 h. TBB (final concentration 60 μM), CPT (final concentration 5.8 nM), 2-deoxyglucose (2-DG; final concentration 0.5 mM) or TRAIL (final concentration 13.3 ng/mL) are added to the medium individually or in a combination and the cells are cultured for additional time, indicated on each figure. After treatment, the medium with the agent is removed and 500 μL of MTT mixture (0.5 mg/mL for PC-3 and 5.0 mg/mL for HeLa cells in medium without phenol red) is added to each well and incubated for an additional 1 h at 37°C. The formazan crystals are diluted in 250 μL of DMSO. The absorbance is measured at 570 nm[2].

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

    Animal Administration
    [4]

    Mice[4]
    The heterozygous C57BL/6J mice are used. Emodin and TBB are injected intraperitoneally in volumes of 50 μL or less per mouse at doses of 15 to 30 mg/kg body weight, twice daily, starting from day 11. Control mice are injected with PEG-Tween vehicle alone.

    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, 2 years; -20°C, 1 year。-80°C储存时,请在2年内使用, -20°C储存时,请在1年内使用。

    可选溶剂 浓度 溶剂体积 质量 1 mg 5 mg 10 mg 25 mg
    DMSO 1 mM 2.3004 mL 11.5019 mL 23.0038 mL 57.5096 mL
    5 mM 0.4601 mL 2.3004 mL 4.6008 mL 11.5019 mL
    10 mM 0.2300 mL 1.1502 mL 2.3004 mL 5.7510 mL
    15 mM 0.1534 mL 0.7668 mL 1.5336 mL 3.8340 mL
    20 mM 0.1150 mL 0.5751 mL 1.1502 mL 2.8755 mL
    25 mM 0.0920 mL 0.4601 mL 0.9202 mL 2.3004 mL
    30 mM 0.0767 mL 0.3834 mL 0.7668 mL 1.9170 mL
    40 mM 0.0575 mL 0.2875 mL 0.5751 mL 1.4377 mL
    50 mM 0.0460 mL 0.2300 mL 0.4601 mL 1.1502 mL
    60 mM 0.0383 mL 0.1917 mL 0.3834 mL 0.9585 mL
    80 mM 0.0288 mL 0.1438 mL 0.2875 mL 0.7189 mL
    100 mM 0.0230 mL 0.1150 mL 0.2300 mL 0.5751 mL
    Help & FAQs
    • Do most proteins show cross-species activity?

      Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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    产品名称:
    TBB
    目录号:
    HY-14394
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