SMER28 is a positive regulator of autophagy acting via an mTOR-independent mechanism. SMER28 prevents the accumulation of amyloid beta peptide.

SMER28 (5-200 μM; 24 hours) shows a dose dependent decline of cell viability^[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.

SMER28 (15-65 mg/kg; i.h.; daily, two days before irradiation and during the three days of irradiation) significantly protects against post-irradiation weight loss and enhances survival of mice at 65 mg/kg^[5].

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.

264.12

C₁₁H₁₀BrN₃

307538-42-7

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 : ≥ 32 mg/mL (121.16 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。-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 (9.47 mM); Clear solution

  此方案可获得 ≥ 2.5 mg/mL (9.47 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% (20% SBE-β-CD in saline)

  Solubility: ≥ 2.5 mg/mL (9.47 mM); Clear solution

  此方案可获得 ≥ 2.5 mg/mL (9.47 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 900 μL 20% 的 SBE-β-CD 生理盐水水溶液中，混合均匀。

  将 2 g 磺丁基醚 β-环糊精加入 5 mL 生理盐水中，再用生理盐水定容至 10 mL，完全溶解，澄清透明
• 3.

  请依序添加每种溶剂： 10% DMSO    90% corn oil

  Solubility: ≥ 2.5 mg/mL (9.47 mM); Clear solution

  此方案可获得 ≥ 2.5 mg/mL (9.47 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 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中，混合均匀。

• [1]. Renna M et al. Chemical inducers of autophagy that enhance the clearance of mutant proteins in neurodegenerative diseases. J Biol Chem. 2010 Apr 9;285(15):11061-7.

  [2]. Nekova TS, et al. Small molecule enhancers of rapamycin induce apoptosis in myeloma cells via GSK3A/Bpreferentially within a protective bone marrow microenvironment. Br J Haematol. 2014 Oct;167(2):272-4.

  [3]. Shen D et al. Novel cell- and tissue-based assays for detecting misfolded and aggregated protein accumulation within aggresomes and inclusion bodies. Cell Biochem Biophys. 2011 Jul;60(3):173-85.

  [4]. Koukourakis MI, et al. SMER28 is a mTOR-independent small molecule enhancer of autophagy that protects mouse bone marrow and liver against radiotherapy. Invest New Drugs. 2018 Oct;36(5):773-781.

  [5]. Tian Y et al. A small-molecule enhancer of autophagy decreases levels of Abeta and APP-CTF via Atg5-dependent autophagy pathway. FASEB J. 2011 Jun;25(6):1934-42.