Tirasemtiv CK-2017357,99.83%

产品编号:Bellancom-15964| CAS NO:1005491-05-3| 分子式:C12H14N4O| 分子量:230.27

本网站销售的所有产品仅用于工业应用或者科学研究等非医疗目的,不可用于人类或动物的临床诊断或者治疗,非药用,非食用,

货号 包装 价格 库存与货期 购买量 操作
Bellancom-15964
750.00 杭州 北京(现货)
Bellancom-15964
1200.00 杭州 北京(现货)
Bellancom-15964
2150.00 杭州 北京(现货)
Bellancom-15964
7950.00 杭州 北京(现货)
Bellancom-15964
12500.00 杭州 北京(现货)

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Tirasemtiv CK-2017357

产品介绍 Tirasemtiv 是一种快速骨骼肌型肌钙蛋白复合物激活剂。
生物活性

Tirasemtiv is an activator of the fast skeletal muscle troponin complex.

体外研究

Tirasemtiv is a fast skeletal troponin activator that sensitizes the sarcomere to calcium; this mechanism of action amplifies the response of muscle to neuromuscular input producing greater force when nerve input is reduced. Tirasemtiv selectively sensitizes fast skeletal muscle troponin to calcium (Ca2+), and slows the rate of Ca2+ release from the regulatory troponin complex of fast skeletal muscle.

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

体内研究

A single dose of Tirasemtiv significantly increases submaximal isometric force, forelimb grip strength, grid hang time, and rotarod performance in a female transgenic mouse model (B6SJL-SOD1G93A) of ALS with functional deficits. Additionally, diaphragm force and tidal volume are significantly higher in Tirasemtiv-treated female B6SJL-SOD1G93A mice. At the 25% deficit milestone, vehicle-treated B6SJL-SOD1G93A mice demonstrated forelimb grip strength of 49.6±4.6 g. Tirasemtiv increases grip strength by 38% to 68.6±8.1g (p<0.05, single tailed t-test). Tirasemtiv doses of 2, 2, 2, and 4 mg/kg given at approximately 20 min intervals to achieve a cumulative dose of 10 mg/kg. Regression analysis of the log dose vs. response relationship indicated that Tirasemtiv significantly increased muscle force in WT and mid-stage B6SJL-SOD1G93A mice (WT p<0.0001; mid-stage p=0.0028). At later stages of disease, the mice exhibited a trend for increased muscle function in response to Tirasemtivcompared to baseline (p=0.064).

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

体内研究

A single dose of Tirasemtiv significantly increases submaximal isometric force, forelimb grip strength, grid hang time, and rotarod performance in a female transgenic mouse model (B6SJL-SOD1G93A) of ALS with functional deficits. Additionally, diaphragm force and tidal volume are significantly higher in Tirasemtiv-treated female B6SJL-SOD1G93A mice. At the 25% deficit milestone, vehicle-treated B6SJL-SOD1G93A mice demonstrated forelimb grip strength of 49.6±4.6 g. Tirasemtiv increases grip strength by 38% to 68.6±8.1g (p<0.05, single tailed t-test). Tirasemtiv doses of 2, 2, 2, and 4 mg/kg given at approximately 20 min intervals to achieve a cumulative dose of 10 mg/kg. Regression analysis of the log dose vs. response relationship indicated that Tirasemtiv significantly increased muscle force in WT and mid-stage B6SJL-SOD1G93A mice (WT p<0.0001; mid-stage p=0.0028). At later stages of disease, the mice exhibited a trend for increased muscle function in response to Tirasemtivcompared to baseline (p=0.064).

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

性状Solid
溶解性数据
In Vitro: 

DMSO : 10.91 mg/mL (47.38 mM; Need ultrasonic)

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 4.3427 mL 21.7136 mL 43.4273 mL
5 mM 0.8685 mL 4.3427 mL 8.6855 mL
10 mM 0.4343 mL 2.1714 mL 4.3427 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: ≥ 1.09 mg/mL (4.73 mM); Clear solution

    此方案可获得 ≥ 1.09 mg/mL (4.73 mM,饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例,取 100 μL 10.9 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: ≥ 1.09 mg/mL (4.73 mM); Clear solution

    此方案可获得 ≥ 1.09 mg/mL (4.73 mM,饱和度未知) 的澄清溶液。

    以 1 mL 工作液为例,取 100 μL 10.9 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: ≥ 1.09 mg/mL (4.73 mM); Clear solution

    此方案可获得 ≥ 1.09 mg/mL (4.73 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 10.9 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 西域 网站选购。
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
参考文献

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