1. Cell Cycle/DNA Damage Cytoskeleton
  2. Kinesin
  3. Litronesib

Litronesib  (Synonyms: LY2523355)

目录号: HY-14846 纯度: 99.48%
COA 产品使用指南

Litronesib (LY2523355) 是一种选择性的有丝分裂特异性运动蛋白 Eg5 抑制剂,具有抗肿瘤的活性。

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Litronesib Chemical Structure

Litronesib Chemical Structure

CAS No. : 910634-41-2

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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 ¥3152
In-stock
2 mg ¥1800
In-stock
5 mg ¥2800
In-stock
10 mg ¥4800
In-stock
50 mg   询价  
100 mg   询价  

* Please select Quantity before adding items.

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Top Publications Citing Use of Products
  • 生物活性

  • 实验参考方法

  • 纯度 & 产品资料

  • 参考文献

生物活性

Litronesib (LY2523355) is a selective mitosis-specific kinesin Eg5 inhibitor, with antitumor activity[1].

IC50 & Target[1]

Eg5

 

体外研究
(In Vitro)

Litronesib (LY2523355) 是一种选择性 Eg5 抑制剂。Litronesib (25 nM) 在有丝分裂停滞期间诱导癌细胞死亡,这需要持续激活纺锤体组装检查点 (SAC)[1]

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

体内研究
(In Vivo)

Litronesib (LY2523355;1.1、3.3、10 和 30 mg/kg,静脉注射) 显示出剂量依赖性的抗肿瘤活性,并导致 Colo205 异种移植肿瘤中组蛋白 H3 磷酸化免疫阳性的癌细胞显著增加[1]

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

Clinical Trial
分子量

511.70

Formula

C23H37N5O4S2

CAS 号
性状

固体

颜色

White to off-white

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 : ≥ 50 mg/mL (97.71 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 1.9543 mL 9.7713 mL 19.5427 mL
5 mM 0.3909 mL 1.9543 mL 3.9085 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 (4.89 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 (4.89 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。

    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: 99.59%

参考文献
Cell Assay
[1]

Cancer cells are plated in poly-d-lysine coated 96-well plates and incubated overnight. Cells are then treated with indicated concentrations of Litronesib for various time periods. Cells are then fixed with 3.7% formaldehyde in PBS for 45 minutes or 1× Prefer fixative solution for 30 minutes, at room temperature, and permeabilized with cold methanol for 10 minutes and then 0.2% Triton X-100 in PBS for 10 minutes. Cells are washed three times with PBS. Cells are then incubated with 100 μg/mL DNase-free RNase and 10 μg/mL of propidium iodide for 1 hour and scanned for mitotic index (MI) measurement based on DNA condensation as percentage of cells with condensed DNA. For MI based on histone H3 phosphorylation or apoptosis analysis, cells are incubated overnight at 4°C with anti-phospho-histone H3 antibody or anti-phospho-histone H2AX at 1:1,000 dilution with 5% bovine serum albumin (BSA) in PBS, respectively. Cells are washed three times with 0.2% Triton-X 100 in PBS and incubated with Alexa 488 secondary antibody (1:1,000 in PBS-2% BSA) for 60 minutes at room temperature. Cells are washed three times again with PBS and stained for 15 minutes in PBS containing 10 μg/mL propidium iodide and 100 μg/mL RNaseA. The stained cells are scanned with an Acumen Explorer eX3 microplate cytometer. The results are expressed as percentage of cells positive for phospho-histone H3-Ser10 or phospho-histone H2AX[1].

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

Animal Administration
[1]

Primary human-tumor xenograft models are established and maintained in nude mice. Antitumor efficacy in subcutaneous xenograft tumor-bearing mice with 10 mice per treatment group from either established cancer cell lines or fragments of human tumor explants is evaluated as tumor volume by serial caliper measurements and is calculated. The p388 syngeneic tumor model is developed for high-content imaging analysis using female BDF1 mice, weighing 20 to 23 g, which are acclimated in-house for one week before their use in experiments. p388 murine lymphocytic leukemia cells are authenticated by STR assay and maintained in RPMI1640 medium containing 10% FBS. For inoculation, the cells are washed with serum-free medium three times and 1.25 million cells are implanted by intraperitoneal injection into mice. On day 5 after implantation, mice are treated with Litronesib, via either intravenous bolus or intravenous infusion at appropriate doses and durations. Mice are euthanized and the ascitic (intraperitoneal) fluid containing the p388 tumor cells is drawn and analyzed by acumen, flow cytometry, and TUNEL assays for phospho-histone H3, G2-M, and apoptosis. For pharmacokinetic study, the blood samples are collected via cardiac puncture and generated plasma with EDTA and determined Litronesib exposure in the plasma[1].

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

参考文献

Litronesib 相关分类

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 1.9543 mL 9.7714 mL 19.5427 mL 48.8568 mL
5 mM 0.3909 mL 1.9543 mL 3.9085 mL 9.7714 mL
10 mM 0.1954 mL 0.9771 mL 1.9543 mL 4.8857 mL
15 mM 0.1303 mL 0.6514 mL 1.3028 mL 3.2571 mL
20 mM 0.0977 mL 0.4886 mL 0.9771 mL 2.4428 mL
25 mM 0.0782 mL 0.3909 mL 0.7817 mL 1.9543 mL
30 mM 0.0651 mL 0.3257 mL 0.6514 mL 1.6286 mL
40 mM 0.0489 mL 0.2443 mL 0.4886 mL 1.2214 mL
50 mM 0.0391 mL 0.1954 mL 0.3909 mL 0.9771 mL
60 mM 0.0326 mL 0.1629 mL 0.3257 mL 0.8143 mL
80 mM 0.0244 mL 0.1221 mL 0.2443 mL 0.6107 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:
Litronesib
目录号:
HY-14846
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