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  3. Baicalin

Baicalin  (Synonyms: 黄芩苷; Baicalein 7-O-β-D-glucuronide)

目录号: HY-N0197 纯度: 98.92%
COA 产品使用指南

Baicalin 作为一种类黄酮糖苷,是一种变构肉碱棕榈酰转移酶1 (CPT1)是激活剂。Baicalin 降低 NF-κB 表达。

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Baicalin Chemical Structure

Baicalin Chemical Structure

CAS No. : 21967-41-9

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10 mM * 1 mL in DMSO ¥500
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5 mg ¥243
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10 mg ¥390
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50 mg ¥700
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100 mg ¥900
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500 mg ¥1200
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1 g ¥2100
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5 g ¥5000
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Customer Review

Other Forms of Baicalin:

    Baicalin purchased from MCE. Usage Cited in: Oral Dis. 2019 Nov;25(8):1945-1953.  [Abstract]

    PF and BAI combination suppresses activation of the NF-κB signaling pathway in LPS-treated HOKs. Western blotting assay is performed to investigate expression of NF-κB inflammatory signaling proteins.

    Baicalin purchased from MCE. Usage Cited in: Oral Dis. 2019 Nov;25(8):1945-1953.  [Abstract]

    The nuclear translocation of NF-κB p65 was visualized using a laser confocal scanning microscope imaging system. Nuclei detected with DAPI (blue). Cells expressing NF-κB p65 in the cytoplasm (green). NF-κB p65 expresses mostly in the nucleus, and a small amount expressed in the cytoplasm (green). Localization of NF-κB p65 in the cytoplasm (green).

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    • 生物活性

    • 实验参考方法

    • 纯度 & 产品资料

    • 参考文献

    生物活性

    Baicalin, as a flavonoid glycoside, is an allosteric carnitine palmityl transferase 1 (CPT1) activator. Baicalin reduces the expression of NF-κB[1][2][3].

    IC50 & Target[1]

    NF-κB

     

    Autophagy

     

    细胞效力
    (Cellular Effect)
    Cell Line Type Value Description References
    H9 EC50
    112 μM
    Compound: 8
    Antiviral activity against HIV1 3B infected in human H9 cells assessed as inhibition of viral replication after 3 days by p24 antigen capture assay
    Antiviral activity against HIV1 3B infected in human H9 cells assessed as inhibition of viral replication after 3 days by p24 antigen capture assay
    [PMID: 8158164]
    H9 IC50
    72 μM
    Compound: 8
    Cytotoxicity against human H9 cells after 3 days
    Cytotoxicity against human H9 cells after 3 days
    [PMID: 8158164]
    HUVEC IC50
    > 1000 μM
    Compound: 2
    Inhibition of trypsin-induced elevation in PAI1 production in HUVEC by ELISA
    Inhibition of trypsin-induced elevation in PAI1 production in HUVEC by ELISA
    [PMID: 9214730]
    MGC-803 IC50
    8.78 μM
    Compound: 50
    Antiproliferative activity against human MGC-803 cells assessed as reduction in cell viability incubated for 5 days by MTT assay
    Antiproliferative activity against human MGC-803 cells assessed as reduction in cell viability incubated for 5 days by MTT assay
    [PMID: 33619958]
    MGC-803 IC50
    8.78 μM
    Compound: 5
    Antiproliferative activity against human MGC-803 cells assessed as inhibition of cell growth by MTT assay
    Antiproliferative activity against human MGC-803 cells assessed as inhibition of cell growth by MTT assay
    [PMID: 33945992]
    Vero C1008 CC50
    > 200 μM
    Compound: Baicalin
    Cytotoxicity against African green monkey Vero E6 cells incubated for 3 hrs by CCK-8 assay
    Cytotoxicity against African green monkey Vero E6 cells incubated for 3 hrs by CCK-8 assay
    [PMID: 33186044]
    体外研究
    (In Vitro)

    Baicalin 通过改变各种介质的产生来防止缺血再灌注损伤 (IRI),这些介质包括活性氧 (ROS)、Toll 样受体 (TLR) 2 和 TLR4、NF-κB、Bax 和 Bcl-2。Baicalin 处理抑制促炎细胞因子TLR2/4、MyD88、p-NF-κB和p-IκB的表达增加,以及增加NF-κB抑制剂IκB蛋白的表达[1]
    细胞活力通过 MTT 测定法确定。与对照细胞相比,用凝血酶处理的 SH-SY5Y 细胞的细胞活力显著降低。与单独使用凝血酶处理的细胞相比,用 Baicalin (5,10,20 μM) 预处理以剂量依赖的方式增加细胞活力[2]

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

    体内研究
    (In Vivo)

    Baicalin 预抑制剂量依赖性地防止肾功能丧失,两个较高剂量 (10 和 100 mg/kg) 显著降低 Scr 和血尿素氮 (BUN) 浓度。使用 0-3 分评分系统评估的组织损伤在 Baicalin 处理组中低于缺血再灌注 (IR) + 盐水组。与假手术组相比,用 10 和 100 mg/kg Baicalin处理的大鼠丙二醛 (MDA) 含量仅略微上调,SOD 活性仅略微下调,表明 Baicalin 消除了再灌注后氧化应激的增加[1]

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

    分子量

    446.36

    Formula

    C21H18O11

    CAS 号
    性状

    固体

    颜色

    Light yellow to yellow

    中文名称

    黄芩苷

    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 1 year
    -20°C 6 months
    溶解性数据
    细胞实验: 

    DMSO 中的溶解度 : ≥ 100 mg/mL (224.03 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)

    H2O 中的溶解度 : < 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 2.2403 mL 11.2017 mL 22.4034 mL
    5 mM 0.4481 mL 2.2403 mL 4.4807 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, 1 year; -20°C, 6 months。-80°C储存时,请在1年内使用, -20°C储存时,请在6个月内使用。

    • 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

    动物实验:

    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 (5.60 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 (5.60 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 900 μL 20% 的 SBE-β-CD 生理盐水水溶液 中,混合均匀。

      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。

    以下溶解方案,请直接配制工作液。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: 0.5% CMC-Na/saline water

      Solubility: 20 mg/mL (44.81 mM); 悬浊液; 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
    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: 98.92%

    参考文献
    Cell Assay
    [2]

    SH-SY5Y cell lines are cultured in RPMI-1640 medium supplemented with 15% fetal bovine serum at 37°C in an air atmosphere containing 95% air and 5% CO2 with a saturated humidity. Upon a confluence of 60~70%, the SH-SY5Y cells are divided into: (i) control group, incubated in RPMI-1640 medium; (ii) thrombin group, which is subject to thrombin induction (40 U/L) for 6 h based on our pre-experiment; and (iii) Baicalin groups, which are treated by Baicalin (5 μM, 10 μM, or 20 μM) for 2 h before induction of thrombin. Cell viability is measured using MTT assay. Briefly, 15 μL of the MTT solution (5 mg/mL) is added to each well and incubated for 4 h at 37°C. After removing the supernatant, 80 μL DMSO are added into each well. The absorbance is measured at 492 nm using a microplate reader. All experiments are performed in triplicate[2].

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

    Animal Administration
    [1]

    Rats[1]
    Male Wistar rats weighing 200-250 g are used. Rats are randomly divided into five groups of six rats each: (i) sham group; (ii) IR+saline group; (iii) IR+Baicalin (1 mg/kg) group; (iv) IR+Baicalin (10 mg/kg) group; and (v) IR+Baicalin (100 mg/kg) group. Renal IRI is induced by clamping the left renal artery for 45 min plus a right nephrectomy. Rats are anesthetized through an intraperitoneal injection of pentobarbital sodium (40 mg/kg body weight). After a median abdominal incision, the left renal arteries are clamped for 45 min with serrefine. After clamp removal, adequate restoration of blood flow is checked before abdominal closure. The right kidney is then removed. Sham-operated animals underwent the same surgical procedure without clamping[1].

    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, 1 year; -20°C, 6 months。-80°C储存时,请在1年内使用, -20°C储存时,请在6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
    DMSO 1 mM 2.2403 mL 11.2017 mL 22.4034 mL 56.0086 mL
    5 mM 0.4481 mL 2.2403 mL 4.4807 mL 11.2017 mL
    10 mM 0.2240 mL 1.1202 mL 2.2403 mL 5.6009 mL
    15 mM 0.1494 mL 0.7468 mL 1.4936 mL 3.7339 mL
    20 mM 0.1120 mL 0.5601 mL 1.1202 mL 2.8004 mL
    25 mM 0.0896 mL 0.4481 mL 0.8961 mL 2.2403 mL
    30 mM 0.0747 mL 0.3734 mL 0.7468 mL 1.8670 mL
    40 mM 0.0560 mL 0.2800 mL 0.5601 mL 1.4002 mL
    50 mM 0.0448 mL 0.2240 mL 0.4481 mL 1.1202 mL
    60 mM 0.0373 mL 0.1867 mL 0.3734 mL 0.9335 mL
    80 mM 0.0280 mL 0.1400 mL 0.2800 mL 0.7001 mL
    100 mM 0.0224 mL 0.1120 mL 0.2240 mL 0.5601 mL
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      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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