1. Cell Cycle/DNA Damage
    Epigenetics
    Autophagy
  2. HDAC
    Autophagy
  3. Belinostat

Belinostat (Synonyms: 贝利司他; PXD101; PX105684)

目录号: HY-10225 纯度: 99.92%
产品使用指南

Belinostat (PXD101; PX105684) 是一种有效的 HDAC 抑制剂,在 HeLa 细胞提取物中的 IC50 为 27 nM。

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Belinostat Chemical Structure

Belinostat Chemical Structure

CAS No. : 866323-14-0

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Top Publications Citing Use of Products

    Belinostat purchased from MCE. Usage Cited in: Invest New Drugs. 2016 Oct;34(5):552-64.

    The phenotypic characteristics of LN-229 and LN-18 glioblastoma cells after 48 h of Belinostat (Bel) treatment. Representative photographs are shown. Morphological effects induced by 0.5 and 2 μM Bel after 48-h treatment, evaluated by phase contrast microscopy (magnification 100×) (a, c); evaluated by the acridine orange/ethidium bromide staining, shown by fluorescence microscopy (magnification 200×) (b, d). Markedly enlarged cells with bright yellow, condensed nuclei are visible. Evident reduct

    Belinostat purchased from MCE. Usage Cited in: Cell Death Dis. 2018 Jan 26;9(2):129.

    The effects of treatment with the indicated epigenetic inhibitors on cleaved PARP (Clv-PARP) expression in both PC9/ER and HCC827/ER cells. β-actin is used as a loading control.
    • 生物活性

    • 实验参考方法

    • 纯度 & 产品资料

    • 参考文献

    生物活性

    Belinostat (PXD101; PX105684) is a potent HDAC inhibitor with an IC50 of 27 nM in HeLa cell extracts.

    IC50 & Target

    HDAC6

    82 nM (IC50)

    HDAC

    27 nM (IC50, Hela cell)

    体外研究
    (In Vitro)

    Belinostat (PXD101) induces a concentration-dependent (0.2-5 μM) increase in acetylation of histone H4 in tumor cell lines. Belinostat is cytotoxic in vitro in a number of tumor cell lines with IC50s in the range 0.2-3.4 μM as determined by a clonogenic assay and induces apoptosis. Belinostat inhibits the growth of a number of human tumor cell lines in vitro with IC50s determined by a clonogenic assay in the range 0.2-3.4 μM[1]. Belinostat (PXD101) is a potent histone deacetylase (HDAC) inhibitor, potently inhibits the enzymatic activity of purified recombinant HDAC6 (IC50 of 82 nM)[2].

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

    体内研究
    (In Vivo)

    Treatment of nude mice bearing human ovarian and colon tumor xenografts with Belinostat (10-40 mg/kg/day i.p.) daily for 7 days causes a significant dose-dependent growth delay with no obvious signs of toxicity to the mice. Growth delay is also observed for xenografts of cisplatin-resistant ovarian tumor cells. A marked increase in acetylation of H4 is detected in blood and tumor of mice 3 h after treatment with Belinostat (PXD101). The inhibition of growth of human tumor xenografts in mice, with no apparent toxicity[1]. Belinostat (PXD101) displays single-agent antitumor activity on human A2780 ovarian cancer s.c. xenografts which is enhanced via combination therapy with Carboplatin[2].

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

    Clinical Trial
    分子量

    318.35

    Formula

    C15H14N2O4S

    CAS 号
    中文名称

    贝利司他

    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 : 100 mg/mL (314.12 mM; Need ultrasonic)

    配制储备液
    浓度 溶剂体积 质量 1 mg 5 mg 10 mg
    1 mM 3.1412 mL 15.7060 mL 31.4120 mL
    5 mM 0.6282 mL 3.1412 mL 6.2824 mL
    10 mM 0.3141 mL 1.5706 mL 3.1412 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 (7.85 mM); Clear solution

      此方案可获得 ≥ 2.5 mg/mL (7.85 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 (7.85 mM); Clear solution

      此方案可获得 ≥ 2.5 mg/mL (7.85 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 (7.85 mM); Clear solution

      此方案可获得 ≥ 2.5 mg/mL (7.85 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 MCE 网站选购。
    参考文献
    Kinase Assay
    [1]

    For activity assays, the reaction is carried out in a total volume of 150 μL of buffer [60 mM Tris (pH 7.4) containing 30% glycerol] containing 2 μL of cell extract and, where used, 2 μL of Belinostat. The reaction is started by the addition of 2 μL of [3H]labeled substrate (acetylated histone H4 peptide corresponding to the 20 NH2-terminal residues). Samples are incubated at 37°C for 45 min, and the reaction stopped by the addition of HCl and acetic acid (0.72 and 0.12 M final concentrations, respectively). Released [3H]acetate is extracted into 750 μL of ethyl acetate, and samples are centrifuged at 12,000× g for 5 min. The upper phase (600 μL) is transferred to 3 mL of scintillation fluid and counted[1].

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

    Cell Assay
    [1]

    The human ovarian cell line A2780 and Cisplatin (A2780/cp70) and Doxorubicin (2780AD) resistant derivatives are grown in RPMI 1640 supplemented with glutamine (2 mM) and FCS (10%). The human colon (HCT116 and HT29), melanoma (HS852), prostate (PC3), lung (CALU-3), and breast (MCF7) cell lines are grown in RPMI 1640 and the rest in DMEM supplemented as above. The human non-small cell lung cancer cell line WIL is grown in DMEM supplemented as above. Drug sensitivity is determined by a clonogenic assay. Briefly, cells are plated in 5 mL of medium at a density of 8×104 cells/25 cm2 flask and allowed to attach and grow for 48 h. Cells are exposed to Belinostat (five concentrations from 0.016 to 10 μM) for 24 h. The medium is removed, and 1 mL of trypsin/EDTA is added to each flask. Once the cells have detached, 1 mL of medium is added, the cells are resuspended, and those from the control untreated flask are counted. Cells are diluted and plated into 6-cm Petri dishes (three per flask) at a density of 500-2000 cells/dish depending on the cell line. Cells from the drug-treated flasks are diluted and plated as for the control flasks. Dishes are incubated for 10-15 days at 37°C. Cells are washed with PBS, fixed in methanol, and stained with crystal violet, and colonies that contained ≥50 cells counted. Sensitivity is expressed as the IC50 (mean±SE of three experiments) defined as the concentration of drug required to reduce the number of colonies to 50% of that of the control untreated cells[1].

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

    Animal Administration
    [1]

    Mice[1]
    For the human tumor xenograft studies, monolayer cultures are harvested with trypsin/EDTA (0.25%/1 mM in PBS) and resuspended in PBS. About 107 cells are injected s.c. into the right flank of athymic nude mice (CD1 nu/nu mice). After 10-15 days when the mean tumor diameter is ≥0.5 cm, animals are randomized into groups of six for experiments. Belinostat is dissolved in DMSO and then diluted in water to give a final concentration of DMSO of 10% and is administered i.p. at the times specified. This formulation gives sufficient solubility for doses of ≤ 40 mg/kg. Mice are weighed daily, and tumor volumes are estimated by caliper measurements assuming spherical geometry (volume=d3×π/6).

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

    参考文献

    纯度: 99.94%

    • 摩尔计算器

    • 稀释计算器

    The molarity calculator equation

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    质量   浓度   体积   分子量 *
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    The dilution calculator equation

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

    This equation is commonly abbreviated as: C1V1 = C2V2

    浓度 (start) × 体积 (start) = 浓度 (final) × 体积 (final)
    × = ×
    C1   V1   C2   V2

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    目录号:
    HY-10225
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