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- CAS号:
106758-54-7
- 规格:
1mg/5mg/10mg/25mg/50mg/100mg
| 规格: | 1mg | 产品价格: | ¥396.0 |
|---|---|---|---|
| 规格: | 5mg | 产品价格: | ¥952.0 |
| 规格: | 10mg | 产品价格: | ¥1408.0 |
| 规格: | 25mg | 产品价格: | ¥2376.0 |
| 规格: | 50mg | 产品价格: | ¥3504.0 |
| 规格: | 100mg | 产品价格: | ¥5000.0 |
Product Introduction
Bioactivity
| 名称 | Qingyangshengenin B |
| 描述 | Qingyangshengenin B (Otophylloside B) is a C-21 steroidal glycoside isolated from Qingyangshen. Qingyangshengenin B protects against Aβ toxicity, which decreases Aβ deposition by decreasing the expression of Aβ at the mRNA level. Qingyangshengenin B has antiepileptic and anti-aging effects, it can extend lifespan, increase heat stress-resistance, delay body paralysis, and increase the chemotaxis response in C. elegans models of Alzheimer's disease. Otophylloside B can suppress the seizure-like locomotor activity caused by pentylenetetrazole in zebrafish. |
| 体外活性 | Qingyangshengenin B(Ot B)能够适度延长秀丽隐杆线虫(C. elegans)的寿命,延缓身体运动能力随年龄衰减的速度,并提高其抗压力能力。进一步研究寿命延长效应的分子机制显示,Ot B能激活FOXO转录因子DAF-16。对于寿命已经通过胰岛素/IGF-1样受体(daf-2)突变体延长的线虫,Ot B无法进一步延长其寿命。此外,Ot B的寿命延长效应还依赖于SIR-2.1和参与泛醌合成的酶CLK-1。 |
| 存储条件 | Powder: -20°C for 3 years | In solvent: -80°C for 1 year Shipping with blue ice/Shipping at ambient temperature. |
| 溶解度 | DMSO : 5 mg/mL (5.42 mM), Sonication is recommended. 10% DMSO+40% PEG300+5% Tween 80+45% Saline : 1 mg/mL (1.08 mM), Sonication is recommended. |
| 关键字 | β-amyloid peptide | βAmyloid | β Amyloid | Qingyangshengenin B | Inhibitor | inhibit | BetaAmyloid | Beta Amyloid | bAmyloid | b Amyloid | Amyloid-β | Abeta |
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等。测定过的样品大多数为尿样[8 ,22 ,44 ―51 ] ,也有少量血样[8 , 50 ,52 ,53 ] 、植物样[54 ] 、动物组织样[55 ,56 ] 、水果样[57 ] 、食品样[58 ,59 ] 和药品样[60 ―62 ] 等。 例如文献[22 ,44 ,45 ]涉及的均是尿样中苯[ 并]二氮类药物的固相微萃取及测定。Mullett 和Pawl-iszyn 等[22 ]最近研制了新颖的具有生物相容性的限进介质填料涂层固相微萃取纤维。他们将具有生物相容性的限进介质填料烷基二醇硅
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