1. PROTAC Epigenetics Apoptosis
  2. PROTACs Epigenetic Reader Domain Apoptosis
  3. BETd-260

BETd-260  (Synonyms: ZBC 260)

目录号: HY-101519 纯度: 99.59%
COA 产品使用指南

BETd-260 (ZBC 260) 是由Cereblon配体和BET配体相连的PROTAC,在白血病细胞 RS4;11 中,在 30 pM 的低浓度下,能够降低 BRD4 蛋白活性。BETd-260 能显著抑制肝细胞癌 HCC 细胞的活性并诱导细胞凋亡 (apoptosis)。

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BETd-260 Chemical Structure

BETd-260 Chemical Structure

CAS No. : 2093388-62-4

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5 mg ¥6500
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10 mg ¥9800
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Customer Review

MCE 顾客使用本产品发表的 1 篇科研文献

  • 生物活性

  • 实验参考方法

  • 纯度 & 产品资料

  • 参考文献

生物活性

BETd-260 (ZBC 260) is a PROTAC connected by ligands for Cereblon and BET, with as low as 30 pM against BRD4 protein in RS4;11 leukemia cell line[1]. BETd-260 potently suppresses cell viability and robustly induces apoptosis in hepatocellular carcinoma (HCC) cells[2].

IC50 & Target[1]

BRD4

<30 pM (IC50)

BRD2

30-100 pM (IC50)

BRD3

30-100 pM (IC50)

体外研究
(In Vitro)

BETd-260 (ZBC260; Compound 23) is capable of inducing degradation of BRD2, BRD3, and BRD4 proteins at 30–100 pM in the RS4;11 leukemia cells. BETd-260 shows inhibitory activity against the growth of RS4;11 leukemia cells and MOLM-13 cells with IC50s of 51 pM and 2.2 nM, respectively, and induces apoptosis in both RS4;11 and MOLM-13 cell lines at 3-10 nM[1].
BETd-260 reciprocally modulates the expression of several apoptotic genes in HCC cells, i.e., suppressing the expression of anti-apoptotic Mcl-1, Bcl-2, c-Myc, and XIAP, whereas increasing the expression of pro-apoptotic Bad[2].

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

体内研究
(In Vivo)

BETd-260 (5 mg/kg, i.v., every other day, thrice a week for 3 weeks) causes rapid tumor regression with a maximum of >90% regression in mice bearing RS4;11 xenograft tumors, and with no body weight loss or other signs of toxicity in mice. BETd-260 (5 mg/kg, i.v.) degrades the BRD2, BRD3, and BRD4 proteins for more than 24 h, with robust cleavage of PARP and caspase-3, and strong down-regulation of c-Myc protein in RS4;11 xenograft mice model[1].

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

分子量

798.89

Formula

C43H46N10O6

CAS 号
性状

固体

颜色

Off-white to light yellow

运输条件

Shipping with dry ice.

储存方式

-80°C, protect from light, stored under nitrogen

溶解性数据
In Vitro: 

DMSO 中的溶解度 : 25 mg/mL (31.29 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)

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 1.2517 mL 6.2587 mL 12.5174 mL
5 mM 0.2503 mL 1.2517 mL 2.5035 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 (protect from light, stored under nitrogen)。-80°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

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: ≥ 0.83 mg/mL (1.04 mM); 澄清溶液

    此方案可获得 ≥ 0.83 mg/mL(饱和度未知)的澄清溶液。

    1 mL 工作液为例,取 100 μL 8.3 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% Corn Oil

    Solubility: ≥ 0.83 mg/mL (1.04 mM); 澄清溶液

    此方案可获得 ≥ 0.83 mg/mL(饱和度未知)的澄清溶液,此方案实验周期在半个月以上的动物实验酌情使用。

    1 mL 工作液为例,取 100 μL 8.3 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中,混合均匀。

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: 99.59%

参考文献
Cell Assay
[1]

In cell growth experiments, cells are seeded in 96-well cell culture plates at a density of 10000−20000 cells/well in 100 μL of culture medium. BETd-260 is serially diluted in the appropriate medium, and 100 μL of the diluted solution containing BETd-260 is added to the appropriate wells of the cell plate. After addition of BETd-260, the cells are incubated for 4 days at 37°C in an atmosphere of 5% CO2. Cell growth is evaluated by a lactate dehydrogenase-based WST-8 assay using a multimode microplate reader. The WST-8 reagent is added to the plate, incubated for at least 1 h, and read at 450 nm. The readings are normalized to the DMSO-treated cells, and the IC50 is calculated by nonlinear regression analysis using GraphPad Prism 6 software[1].

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

Animal Administration
[1]

Mice[1]
To develop xenograft tumors, 5 × 106 RS4;11 cells with 50% Matrigel are injected subcutaneously on the dorsal side of severe combined immunodeficient (SCID) mice, one tumor per mouse. When tumors reach appr 100 mm3, mice are randomly assigned to BETd-260 treatment and vehicle control groups. Animals are monitored daily for any signs of toxicity and weighed 2-3 times per week during the treatment and weighed at least weekly after BETd-260 treatment end. Tumor size is measured 2-3 times per week by electronic calipers during the treatment period and at least weekly after the treatment is end. Tumor volume is calculated as V = LW2/2, where L is the length and W is the width of the tumor[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, 6 months (protect from light, stored under nitrogen)。-80°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 1.2517 mL 6.2587 mL 12.5174 mL 31.2934 mL
5 mM 0.2503 mL 1.2517 mL 2.5035 mL 6.2587 mL
10 mM 0.1252 mL 0.6259 mL 1.2517 mL 3.1293 mL
15 mM 0.0834 mL 0.4172 mL 0.8345 mL 2.0862 mL
20 mM 0.0626 mL 0.3129 mL 0.6259 mL 1.5647 mL
25 mM 0.0501 mL 0.2503 mL 0.5007 mL 1.2517 mL
30 mM 0.0417 mL 0.2086 mL 0.4172 mL 1.0431 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:
BETd-260
目录号:
HY-101519
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