Smilagenin
目录号 : KM2690 CAS No. : 126-18-1 纯度 : ≥98%

Smilagenin (SMI) 是一种小分子甾体皂苷元,来自知母 Rhizoma anemarrhenae 和天竺葵 Radix asparagi,广泛用于慢性神经退行性疾病的研究。Smilagenin (SMI) 通过增加毒蕈碱受体亚型 1 (M1)-受体的的密度来改善老年大鼠的记忆。 Smilagenin (SMI) 通过刺激脑源性神经营养因子的基因表达减弱 Aβ (25-35) 诱导的神经变性,可用于 AD 的研究。

规格 价格 是否有货 数量
5mg
In-stock
10mg
In-stock
50mg
In-stock
100mg
In-stock
200mg 询价 In-stock
500mg 询价 In-stock

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生物活性

Smilagenin (SMI) is a small-molecule steroidal sapogenin from Rhizoma anemarrhenae and Radix asparagi widely used in traditional Chinese medicine for treating chronic neurodegeneration diseases. Smilagenin (SMI) improves memory of aged rats by increasing the muscarinic receptor subtype 1 (M1)-receptor density. Smilagenin (SMI) attenuates Aβ(25-35)-induced neurodegenerationvia stimulating the gene expression of brain-derived neurotrophic factor, may represents a novel therapeutic strategy for AD.

体外研究

Smilagenin (10 μM; 24 hours) increases SH-SY5Y cell survival compared with Aβ(25-35) intoxicated cells.
Smilagenin (10 μM; 24 hours) increases neurotrophic factor (GDNF) and neurotrophic factor (BDNF) mRNA level by promoting CREB phosphorylation in 1-methyl-4-phenylpyridimium (MPP) treated SH-SY5Y cells.

Cell Viability Assay

Cell Line: SH-SY5Y cells
Concentration: 10 μM
Incubation Time: 24 hours
Result: Elevated the SH-SY5Y cell viability.

RT-PCR

Cell Line: SH-SY5Y cells
Concentration: 10 μM
Incubation Time: 24 hours
Result: Increased GDNF and BDNF transcription.
体内研究

Smilagenin (intragastric administration; 10 or 26 mg/kg, once daily; 60 days) prevents the impairment of dopaminergic neurons in chronic MPTP/probenecid-induced mouse model.

Animal Model: MPTP/probenecid-induced mouse model
Dosage: 10 or 26 mg/kg
Administration: Intragastric administration; 10 or 26 mg/kg; once daily; 60 days
Result: Ameliorated locomotor ability of MPTP/probenecid-lesioned mice.
分子式
C27H44O3
分子量
416.64
CAS号
126-18-1
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: 

Ethanol : ≥ 10 mg/mL (24.00 mM)

DMSO : 5 mg/mL (12.00 mM; Need ultrasonic)

* "≥" means soluble, but saturation unknown.

配制储备液
浓度 溶剂体积 质量 1 mg 5 mg 10 mg
1 mM 2.4002 mL 12.0008 mL 24.0015 mL
5 mM 0.4800 mL 2.4002 mL 4.8003 mL
10 mM 0.2400 mL 1.2001 mL 2.4002 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。

科研文献
The molarity calculator equation
Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)
The dilution calculator equation
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
This equation is commonly abbreviated as: C1V1 = C2V2
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