TRAM-34 - CAS:289905-88-0

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TRAM-34

目录号 : KM7410 CAS No. : 289905-88-0 纯度 : 98%

Data Sheet 产品使用指南

TRAM-34 是一种选择性的钙激活 K⁺ 通道 (IKCa1)阻断剂，K_d 为 20 nM。

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10mg		In-stock
50mg		In-stock
100mg		In-stock
200mg	询价	In-stock
500mg	询价	In-stock

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生物活性

TRAM-34 is a highly selective blocker of intermediate-conductance calcium-activated K channel (IKCa1) (K_d=20 nM).

体外研究

TRAM-34 selectively blocks the IKCa1 current (K_d=25 nM), TRAM-34 also blocks IKCa1 currents in human T84 colonic epithelial cells with equivalent potency (K_d=22 nM). TRAM-34 inhibits the cloned and the native IKCa1 channel in human T lymphocytes with a K_d of 20-25 nM and is 200- to 1,500-fold selective over other ion channels. The dose-response curve reveals a K_d of 20±3 nM and a Hill coefficient of 1.2 with 1 μM calcium in the pipette. TRAM-34, a specific inhibitor of K_Ca 3.1 channels increased or decreased cell proliferation depending on the concentration. At intermediate concentrations (3-10 µM) TRAM-34 increased cell proliferation, whereas at higher concentrations (20-100 µM) TRAM-34 decreased cell proliferation. The enhancement of cell proliferation caused by TRAM-34 is blocked by the oestrogen receptor antagonists ICI182,780 and tamoxifen. TRAM-34 also increases progesterone receptor mRNA expression, decreased oestrogen receptor-α mRNA expression and reduced the binding of radiolabelled oestrogen to MCF-7 oestrogen receptor, in each case mimicking the effects of 17β-oestradiol.

体内研究

Mice (n=5) injected intravenously with a single dose of TRAM-34 (0.5 mg/kg; 29 μM) appeared clinically normal during the 7-day study. The body-weight data of the TRAM-34-treated group (day 1:17.8 g; day 7: 27.0 g) are similar to control mice injected with the vehicle (day 1: 17.4 g; day 7: 23.4 g). Collectively, data from these limited toxicity studies suggest that TRAM-34 is not acutely toxic at ≈500-1,000 times the channel-blocking dose.Treatment with TRAM-34 results in a significant reduction in hematoxylin & eosin (H&E) defined lesion area with the mean infarct size being reduced from 22.6±3.6% in the controls (n=8) to 11.3±2.8% in rats treated with 10 mg/kg TRAM-34 (n=6, mean±s.e.m., P=0.039) and to 8.1±1.9% in rats treated with 40 mg/kg TRAM-34 (n=8; P=0.004). The treatment also tended to reduce brain shrinkage. However, the results are only statistically significant with 40 mg/kg TRAM-34 (P=0.013), but not for the 10 mg/kg group (P=0.11).

分子式

C₂₂H₁₇N₂Cl

分子量

344.84

CAS号

289905-88-0

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 : 25 mg/mL (72.50 mM; Need ultrasonic)

配制储备液

浓度溶剂体积质量	1 mg	5 mg	10 mg

1 mM	2.8999 mL	14.4995 mL	28.9990 mL
5 mM	0.5800 mL	2.8999 mL	5.7998 mL
10 mM	0.2900 mL	1.4499 mL	2.8999 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： 20% SBE-β-CD in saline
Solubility: 5 mg/mL (14.50 mM); Suspended solution; Need ultrasonic
2.

请依序添加每种溶剂： 10% DMSO 40% PEG300 5% Tween-80 45% saline
Solubility: ≥ 2.08 mg/mL (6.03 mM); Clear solution

此方案可获得 ≥ 2.08 mg/mL (6.03 mM，饱和度未知) 的澄清溶液。
以 1 mL 工作液为例，取 100 μL 20.8 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。
3.

请依序添加每种溶剂： 10% DMSO 90% (20% SBE-β-CD in saline)
Solubility: 2.08 mg/mL (6.03 mM); Suspended solution; Need ultrasonic

此方案可获得 2.08 mg/mL (6.03 mM) 的均匀悬浊液，悬浊液可用于口服和腹腔注射。
以 1 mL 工作液为例，取 100 μL 20.8 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。
4.

请依序添加每种溶剂： 10% DMSO 90% corn oil
Solubility: ≥ 2.08 mg/mL (6.03 mM); Clear solution

此方案可获得 ≥ 2.08 mg/mL (6.03 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 20.8 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中，混合均匀。

科研文献

纯度： 98%

Data Sheet

产品使用指南

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