RS-246204 is a R-spondin-1 substitute compound that is able initiate small intestinal organoids without the use of the R-spondin-1 protein.

R-spondin-1 protein is added at a high concentration for the initiation and maintenance of the organoids. RS-246204 is a R-spondin-1 substitute that could promote the initial formation and growth of enteroids in the medium without R-spondin-1. The enteroids grown with RS-246204 had a similar differentiation capacity as well as self-renewal capacity as the enteroids grown with R-spondin-1. Furthermore, the RS-246204-derived enteroids could successfully produce the forskolin induced swelling and the organoid based epithelial to mesenchymal transition model^[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.

RS-246204 significantly increased BrdU+ cells and body weight in the DSS induced colitis model. These results suggest that RS-246204 activates the R-spondin dependent pathway in Lgr5 stem cells, thereby enhancing proliferation or the anti-apoptotic effect, promoting regeneration of the intestinal epithelium and reducing the disease severity^[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.

339.37

C₁₆H₁₃N₅O₂S

878451-87-7

Room temperature in continental US; may vary elsewhere.

Powder	-20°C	3 years
	4°C	2 years
In solvent	-80°C	6 months
	-20°C	1 month

In Vitro: 

DMSO : 5 mg/mL (14.73 mM; Need ultrasonic)

H₂O : < 0.1 mg/mL (insoluble)

*

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: 0.5 mg/mL (1.47 mM); Suspended solution; Need ultrasonic

  此方案可获得 0.5 mg/mL (1.47 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 5.0 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: ≥ 0.5 mg/mL (1.47 mM); Clear solution

  此方案可获得 ≥ 0.5 mg/mL (1.47 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 5.0 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中，混合均匀。

• [1]. Nam MO, et al. Effects of a small molecule R-spondin-1 substitute RS-246204 on a mouse intestinal organoid culture. Oncotarget. 2017 Dec 26;9(5):6356-6368.

Mice^[1]

Seven-week-old C57Bl/6 mice are given a 2.5% dextran sulfate sodium treatment in drinking water for 5 days. RS-246204 (10 mg/kg in DMSO) is administered intraperitoneally at the end of the DSS exposure. The RS-246204 treatment is repeated every 24 h for 5 days. Daily assessments of disease activity are performed including measuring body weight and evaluating stool consistency. The mice are sacrificed the next day after the last injection of RS-246204. BrdU (50 mg/kg in saline) is administered intraperitoneally 24 hours before sacrifice^[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]. Nam MO, et al. Effects of a small molecule R-spondin-1 substitute RS-246204 on a mouse intestinal organoid culture. Oncotarget. 2017 Dec 26;9(5):6356-6368.