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  1. Membrane Transporter/Ion Channel Autophagy
  2. Na+/Ca2+ Exchanger Autophagy
  3. KB-R7943 mesylate

KB-R7943 mesylate 

目錄號: HY-15415 純度: 99.16%
COA 產品使用指南

KB-R7943 mesylate 是一種 Na+/Ca2+ 交換體 (NCXrev) 反向抑制劑,IC50 為 5.7±2.1 μM。KB-R7943 mesylate 通過激活JNK通路和抑制自噬通量來誘導癌細胞死亡.

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KB-R7943 mesylate Chemical Structure

KB-R7943 mesylate Chemical Structure

CAS No. : 182004-65-5

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規(guī)格 價格 是否有貨 數(shù)量
10 mM * 1 mL in DMSO ¥869
In-stock
5 mg ¥493
In-stock
10 mg ¥790
In-stock
50 mg ¥2790
In-stock
100 mg   詢價  
200 mg   詢價  

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Customer Review

Other Forms of KB-R7943 mesylate:

  • 生物活性

  • 實驗參考方法

  • 純度 & 產品資料

  • 參考文獻

生物活性

KB-R7943 mesylate is a widely used inhibitor of the reverse Na+/Ca2+ exchanger (NCXrev) with IC50 of 5.7±2.1 μM. KB-R7943 mesylate induces cancer cell death via activating the JNK pathway and blocking autophagic flux.

IC50 & Target

IC50: 5.7±2.1 μM (Na+/Ca2+ exchanger)[1]

體外研究
(In Vitro)

KB-R7943 mesylate blocks NMDAR-mediated ion currents, and inhibits NMDA-induced increase in cytosolic Ca2+ with IC50=13.4±3.6 μM but accelerates calcium deregulation and mitochondrial depolarization in glutamate-treated neurons. KB-R7943 depolarizes mitochondria in a Ca2+-independent manner. KB-R7943 inhibits 2,4-dinitrophenol-stimulated respiration of cultured neurons with IC50=11.4±2.4 μM. In addition to NCXrev, KB-R7943 dose-dependently and reversibly blocked ion currents elicited by NMDA. KB-R7943 dose-dependently inhibits NMDA-induced increases in [Ca2+]c with IC50=13.4±3.6 μM confirming the inhibition of NMDA receptors observed in electrophysiological experiments[1]. wtRyR1-HEK 293 pretreated with KB-R7943 (10 μM, 10 min) dissolved in the bulk perfusion exhibited significantly attenuated responses to caffeine. In this regard, KB-R7943 produced more pronounced inhibition of caffeine-induced Ca2+ release elicited by 1 mM compared with 0.5 and 0.75 mM (60 versus 58 versus 37%, p<0.05, respectively)[2]. KB-R7943 inhibits both IhERG and native IKr rapidly on membrane depolarization with IC50 values of ~89 and ~120 nM, respectively, for current tails at ?40 mV following depolarizing voltage commands to +20 mV. IhERG inhibition by KB-R7943 exhibits both time- and voltage-dependence but shows no preference for inactivated over activated channels[3].

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

分子量

427.50

Formula

C17H21N3O6S2

CAS 號
性狀

固體

顏色

White to yellow

運輸條件

Room temperature in continental US; may vary elsewhere.

儲存方式

4°C, sealed storage, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

溶解性數(shù)據(jù)
細胞實驗: 

DMSO 中的溶解度 : 100 mg/mL (233.92 mM; 超聲助溶; 吸濕的 DMSO 對產品的溶解度有顯著影響,請使用新開封的 DMSO)

配制儲備液
濃度 溶劑體積 質量 1 mg 5 mg 10 mg
1 mM 2.3392 mL 11.6959 mL 23.3918 mL
5 mM 0.4678 mL 2.3392 mL 4.6784 mL
查看完整儲備液配制表

* 請根據(jù)產品在不同溶劑中的溶解度選擇合適的溶劑配制儲備液;一旦配成溶液,請分裝保存,避免反復凍融造成的產品失效。
儲備液的保存方式和期限:-80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)。-80°C儲存時,請在6個月內使用,-20°C儲存時,請在1個月內使用。

  • 摩爾計算器

  • 稀釋計算器

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

質量
=
濃度
×
體積
×
分子量 *

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

This equation is commonly abbreviated as: C1V1 = C2V2

濃度 (start)

C1

×
體積 (start)

V1

=
濃度 (final)

C2

×
體積 (final)

V2

動物實驗:

請根據(jù)您的 實驗動物和給藥方式 選擇適當?shù)娜芙夥桨浮?

以下溶解方案都請先按照 In Vitro 方式配制澄清的儲備液,再依次添加助溶劑:
——為保證實驗結果的可靠性,澄清的儲備液可以根據(jù)儲存條件,適當保存;體內實驗的工作液,建議您現(xiàn)用現(xiàn)配,當天使用;
以下溶劑前顯示的百分比是指該溶劑在您配制終溶液中的體積占比;如在配制過程中出現(xiàn)沉淀、析出現(xiàn)象,可以通過加熱和/或超聲的方式助溶

  • 方案 一

    請依序添加每種溶劑: 10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.5 mg/mL (5.85 mM); 澄清溶液

    此方案可獲得 ≥ 2.5 mg/mL(飽和度未知)的澄清溶液。

    1 mL 工作液為例,取 100 μL 25.0 mg/mL 的澄清 DMSO 儲備液加到 400 μL PEG300 中,混合均勻;再向上述體系中加入 50 μL Tween-80,混合均勻;然后再繼續(xù)加入 450 μL 生理鹽水 定容至 1 mL。

    生理鹽水的配制:將 0.9 g 氯化鈉,溶解于 ddH?O 并定容至 100 mL,可以得到澄清透明的生理鹽水溶液。
  • 方案 二

    請依序添加每種溶劑: 10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.5 mg/mL (5.85 mM); 澄清溶液

    此方案可獲得 ≥ 2.5 mg/mL(飽和度未知)的澄清溶液。

    1 mL 工作液為例,取 100 μL 25.0 mg/mL 的澄清 DMSO 儲備液加到 900 μL 20% 的 SBE-β-CD 生理鹽水水溶液 中,混合均勻。

    20% SBE-β-CD in Saline 的配制(4°C,儲存一周):2 g SBE-β-CD(磺丁基醚 β-環(huán)糊精)粉末定容于 10 mL 的生理鹽水中,完全溶解至澄清透明。
動物溶解方案計算器
請輸入動物實驗的基本信息:

給藥劑量

mg/kg

動物的平均體重

g

每只動物的給藥體積

μL

動物數(shù)量

由于實驗過程有損耗,建議您多配一只動物的量
請輸入您的動物體內配方組成:
%
DMSO +
+
%
Tween-80 +
%
Saline
如果您的動物是免疫缺陷鼠或者體弱鼠,建議 DMSO 中的在最后工作液體系中的占比盡量不超過 2%。
方案所需 助溶劑 包括:DMSO ,均可在 MCE 網站選購。 ,Tween 80,均可在 MCE 網站選購。
計算結果
工作液所需濃度 : mg/mL
儲備液配制方法 : mg 藥物溶于 μL  DMSO(母液濃度為 mg/mL)。

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

您所需的儲備液濃度超過該產品的實測溶解度,以下方案僅供參考,如有需要,請與 MCE 中國技術支持聯(lián)系。
動物實驗體內工作液的配制方法 : 取 μL DMSO 儲備液,加入 μL 。 μL ,混合均勻至澄清,再加 μL Tween 80,混合均勻至澄清,再加 μL 生理鹽水
連續(xù)給藥周期超過半月以上,請謹慎選擇該方案。
請確保第一步儲備液溶解至澄清狀態(tài),從左到右依次添加助溶劑。您可采用超聲加熱 (超聲清洗儀,建議頻次 20-40 kHz),渦旋吹打等方式輔助溶解。
純度 & 產品資料

純度: 99.16%

參考文獻
Cell Assay
[2]

EK 293 cells stably expressing the wtRyR1 (wtRyR1-HEK 293) are maintained in Dulbecco's modified Eagle's medium supplemented with 2 mM glutamine, 100 μg/mL streptomycin, 100 U/mL penicillin, 1 mM sodium pyruvate, and 10% fetal bovine serum at 37°C under 5% CO2. wtRyR1-HEK 293 cells are loaded with 5 μM Fluo-4 acetoxymethyl ester at 37°C for 30 min to measure Ca2+ transients in an imaging buffer consisting of 140 mM NaCl, 5 mM KCl, 2 mM MgCl2, 2 mM CaCl2, 10 mM HEPES, and 10 mM glucose, pH 7.4, supplemented with 0.05% bovine serum albumin. The cells are washed three times with imaging buffer and additionally incubated for 20 min at room temperature. Dye-loaded cells are washed three times with imaging buffer and imaged with a charge-coupled device camera with a 40× objective lens attached to an IX-71 microscope. The sequence of images is captured and monitored using EasyRatioPro. Caffeine dissolved in the imaging buffer is focally applied for 15 s using AutoMate Scientific. KB-R7943 is dissolved in the imaging buffer, and wtRyR1-HEK 293 cells are incubated for 10 min before the application of caffeine[2].

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

參考文獻

完整儲備液配制表

* 請根據(jù)產品在不同溶劑中的溶解度選擇合適的溶劑配制儲備液;一旦配成溶液,請分裝保存,避免反復凍融造成的產品失效。
儲備液的保存方式和期限:-80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)。-80°C儲存時,請在6個月內使用,-20°C儲存時,請在1個月內使用。

可選溶劑 濃度 溶劑體積 質量 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.3392 mL 11.6959 mL 23.3918 mL 58.4795 mL
5 mM 0.4678 mL 2.3392 mL 4.6784 mL 11.6959 mL
10 mM 0.2339 mL 1.1696 mL 2.3392 mL 5.8480 mL
15 mM 0.1559 mL 0.7797 mL 1.5595 mL 3.8986 mL
20 mM 0.1170 mL 0.5848 mL 1.1696 mL 2.9240 mL
25 mM 0.0936 mL 0.4678 mL 0.9357 mL 2.3392 mL
30 mM 0.0780 mL 0.3899 mL 0.7797 mL 1.9493 mL
40 mM 0.0585 mL 0.2924 mL 0.5848 mL 1.4620 mL
50 mM 0.0468 mL 0.2339 mL 0.4678 mL 1.1696 mL
60 mM 0.0390 mL 0.1949 mL 0.3899 mL 0.9747 mL
80 mM 0.0292 mL 0.1462 mL 0.2924 mL 0.7310 mL
100 mM 0.0234 mL 0.1170 mL 0.2339 mL 0.5848 mL
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    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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KB-R7943 mesylate
目錄號:
HY-15415
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