RA190, a bis-benzylidine piperidon, inhibits proteasome function by covalently binding to cysteine 88 of ubiquitin receptor RPN13.

IC50: 0.15 μM (HeLa cell)

RA190 covalently binds to cysteine 88 of ubiquitin receptor RPN13 in the 19S regulatory particle and inhibits proteasome function, triggering rapid accumulation of polyubiquitinated proteins. Multiple myeloma (MM) lines, even those resistant to bortezomib, are sensitive to RA190 via endoplasmic reticulum stress-related apoptosis. RA190 stabilizes targets of human papillomavirus (HPV) E6 oncoprotein, and preferentially kills HPV-transformed cells^[1].

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.

RA190 distributes to plasma and major organs excepting brain, and inhibits proteasome function in skin and muscle. RA190 administration profoundly reduces growth of multiple myeloma and ovarian cancer xenografts, and oral RA190 treatment retards HPV16⁺ syngeneic mouse tumor growth, without impacting spontaneous HPV-specific CD8⁺ T cell responses^[1].

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.

596.76

C₂₈H₂₃Cl₅N₂O₂

1617495-03-0

Room temperature in continental US; may vary elsewhere.

4°C, sealed storage, away from moisture

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

In Vitro: 

DMSO : ≥ 100 mg/mL (167.57 mM)

* “≥” means soluble, but saturation unknown.

*

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 (sealed storage, away from moisture)。-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: ≥ 2.38 mg/mL (3.99 mM); Clear solution

  此方案可获得 ≥ 2.38 mg/mL (3.99 mM，饱和度未知) 的澄清溶液。

  以 1 mL 工作液为例，取 100 μL 23.8 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。

  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

• [1]. Anchoori RK, et al. A bis-benzylidine piperidone targeting proteasome ubiquitin receptor RPN13/ADRM1 as a therapy for cancer. Cancer Cell. 2013 Dec 9;24(6):791-805.

RA190 is dissolved in DMSO and diluted with cell culture medium. HeLa cells are treated with RA190 (0.2, 0.4, 0.6, 0.8, 1, 2, 3, 4, 5 μM) for 48 hr. Cell viability is assayed using commerical kit^[1].

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.

Mice: Mice are divided into two groups and treated daily i.p. with RA190 (10 mg/kg) or vehicle, and imaged again on day 7 and day 14. NOG mice (5 per group) are inoculated with 1X10⁶ NCI-H929-GFP-Luc cells i.v., and after 4 weeks, mice are imaged for their luciferase activity and divided into two groups. Mice are treated i.p. with RA190 (20 mg/kg) or vehicle, and imaged again at the end of the treatment for their luciferase activity^[1].

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.

• [1]. Anchoori RK, et al. A bis-benzylidine piperidone targeting proteasome ubiquitin receptor RPN13/ADRM1 as a therapy for cancer. Cancer Cell. 2013 Dec 9;24(6):791-805.