Bardoxolone(Synonyms: CDDO; RTA 401)

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Bardoxolone (Synonyms: CDDO; RTA 401) 纯度: 98.02%

Bardoxolone 是一种 新型核调节因子 (Nrf-2)激活剂。

Bardoxolone(Synonyms: CDDO;  RTA 401)

Bardoxolone Chemical Structure

CAS No. : 218600-44-3

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10 mM * 1 mL in DMSO ¥870 In-stock
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生物活性

Bardoxolone is a novel nuclear regulator factor (Nrf-2) activator.

IC50 & Target

Nrf-2[1]

体外研究
(In Vitro)

Bardoxolone methyl, a novel synthetic triterpenoid and antioxidant inflammation modulator, potently induces Nrf2 and inhibits NF-κB and Janus-activated kinase/STAT signaling. Bardoxolone methyl has been shown to induce differentiation, inhibit proliferation, and induce apoptosis in cancer cell lines[2].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.

体内研究
(In Vivo)

Kidney sections from Bardoxolone methyl-treated monkeys demonstrates decreased megalin protein expression despite similar mRNA expression across groups. The visualized decrease in megalin protein expression is confirmed by densitometry analyses, which demonstrated that Bardoxolone methyl administration significantly decreased megalin protein expression in the monkey kidney. Bardoxolone methyl administration does not affect the protein expression of cubilin in the kidney or the mRNA expression of cubilin in the kidney. The creatinine clearance in monkeys administered Bardoxolone methyl significantly differed from that at baseline and in vehicle-treated animals on day 28. After 28 days of Bardoxolone methyl administration, urinary albumin-to-creatinine ratios (UACRs), determined from the 24-hour urine collections, are significantly increased compared with those in animals receiving vehicle. Of note, UACRs decreases 53.3% in vehicle-treated animals and increased 27.9% in Bardoxolone methyl-treated monkeys[3]. Male C57BL/6J mice are administered oral BARD during HFD feeding (HFD/BARD), only fed a high-fat diet (HFD), or fed low-fat diet (LFD) for 21 weeks. Compared with LFD mice, HFD mice have a marked increase in the number of F4/80 crown-like structures (+95%; p<0.001), which is effectively prevented by BARD (−50%; p<0.01). Similarly, the number of F4/80 interstitial macrophages is significantly higher in HFD mice by 98% (p<0.001) compared with LFD mice and by 32% (p<0.01) compared with HFD/BARD mice[4].

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.

Clinical Trial

分子量

491.66

Formula

C31H41NO4

CAS 号

218600-44-3

中文名称

巴多索隆

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 : 100 mg/mL (203.39 mM; Need ultrasonic)

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 2.0339 mL 10.1696 mL 20.3393 mL
5 mM 0.4068 mL 2.0339 mL 4.0679 mL
10 mM 0.2034 mL 1.0170 mL 2.0339 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: ≥ 2.5 mg/mL (5.08 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (5.08 mM,饱和度未知) 的澄清溶液。

    以 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;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% corn oil

    Solubility: ≥ 2.5 mg/mL (5.08 mM); Clear solution

    此方案可获得 ≥ 2.5 mg/mL (5.08 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 25.0 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 上海金畔生物科技有限公司 网站选购。
参考文献
  • [1]. McCullough PA, et al. Cardiac and renal function in patients with type 2 diabetes who have chronic kidney disease: potential effectsof bardoxolone methyl. Drug Des Devel Ther. 2012;6:141-9.

    [2]. Hong DS, et al. A phase I first-in-human trial of bardoxolone methyl in patients with advanced solid tumors and lymphomas. Clin Cancer Res. 2012 Jun 15;18(12):3396-406.

    [3]. Reisman SA, et al. Bardoxolone Methyl Decreases Megalin and Activates Nrf2 in the Kidney. J Am Soc Nephrol. 2012 Oct;23(10):1663-73.

    [4]. Dinh CH, et al. Bardoxolone Methyl Prevents Mesenteric Fat Deposition and Inflammation in High-Fat Diet Mice. ScientificWorldJournal. 2015;2015:549352.

Animal Administration
[3][4]

Monkeys[3]
Two separate studies are conducted in cynomolgus Monkeys. In one, cynomolgus Monkeys (n=9 per sex/dose group) are orally administered Bardoxolone methyl at 5, 30, and 300 mg/kg once daily for 12 months, with an interim analysis at 6 months and a postdose recovery analysis 4 weeks after the final dose, in a GLP environment. In a second study, female cynomolgus Monkeys (n=6 for vehicle and n=12 for treatment) are administered Bardoxolone methyl (30 mg/kg per day), as above, once daily for 28 days.
Mice[4]
Male C57BL/6J mice are used. After 1 week of acclimatisation to the institutional animal facility (temperature 22°C, 12 h light/dark cycle), the animals are divided into three groups (n=7): (1) mice fed a normal diet (LFD group); (2) mice fed a high-fat diet (HFD group) (40% fat); and (3) mice fed the same HFD and supplemented with BARD in drinking water (10 mg/kg body weight) (HFD/BARD group). The dose and oral administration of BARD are chosen. After 21 weeks, all mice are euthanized using CO2 asphyxiation. Part of the mesenteric fat mass in each animal is collected and stored at −80°C for Western blot analysis. Another portion of the mesenteric fat depot is fixed in 4% paraformaldehyde and embedded in paraffin for the determination of morphology and immunohistochemistry.

上海金畔生物科技有限公司 has not independently confirmed the accuracy of these methods. They are for reference only.

参考文献
  • [1]. McCullough PA, et al. Cardiac and renal function in patients with type 2 diabetes who have chronic kidney disease: potential effectsof bardoxolone methyl. Drug Des Devel Ther. 2012;6:141-9.

    [2]. Hong DS, et al. A phase I first-in-human trial of bardoxolone methyl in patients with advanced solid tumors and lymphomas. Clin Cancer Res. 2012 Jun 15;18(12):3396-406.

    [3]. Reisman SA, et al. Bardoxolone Methyl Decreases Megalin and Activates Nrf2 in the Kidney. J Am Soc Nephrol. 2012 Oct;23(10):1663-73.

    [4]. Dinh CH, et al. Bardoxolone Methyl Prevents Mesenteric Fat Deposition and Inflammation in High-Fat Diet Mice. ScientificWorldJournal. 2015;2015:549352.

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