谷甾醇 T2966

Product Introduction
Bioactivity


英文名: Beta-Sitosterol

描述: Beta-Sitosterol (SKF 14463) 是一种植物甾醇，干扰细胞周期、细胞凋亡、增殖、存活、侵袭、血管生成和炎症等多种细胞信号通路。

体外活性: Bioactivity-guided isolation afforded three compounds from the hexane fraction of E. indica, namely, Beta-Sitosterol (β-sitosterol), Stigmasterol, and Lutein respectively. Both compounds are found to possess very low PPL inhibition activity, that is, 2.99±0.80% (Beta-Sitosterol) of inhibition at 100 μg/mL (242 μM) and 2.68±0.38% (Stigmasterol) of inhibition at 100 μg/mL (243 μM), respectively. Weak PPL inhibition activity of Beta-Sitosterol and Stigmasterol isolated from Alpinia zerumbet with IC50 value of 99.99±1.86 μg/mL and 125.05±4.76 μg/mL, respectively, in comparison with the inhibition shown by Curcumin (IC50=4.92±0.21 μg/mL) and Quercetin (IC50=18.60±0.86 μg/mL) which are used as positive controls in their study. Beta-Sitosterol and Stigmasterol are recorded with weak PPL inhibitory activity of only 3.0±0.8% and 2.7±0.4% at 100 μg/mL, respectively, (i.e., 242 μM and 243 μM) in contrast (34.5±5.4% at 100 μg/mL), which are comparatively lower than that recorded in literature (i.e., 50% PPL inhibition at 100 μg/mL)[1]. Sitosterol is an important compound extracted from the leaves of Aloe vera. It inhibits the growth of promastigotes of L. donovani which is a causative agent for life threatening visceral leishmaniasis disease[2].

体内活性: Beta-Sitosterol (β-sitosterol) treatment significantly reduced the immobility time at three doses (10, 20, and 30 mg/kg) in the Forced Swim Test (FST) and Tail Suspension Test (TST), suggesting an antidepressant effect. This effect is similar to the positive control fluoxetine (20 mg/kg) at a dose of 30 mg/kg, where the strongest effect is observed compared with the control group (P < 0.001). The same effects are observed for three doses of Beta-Sitosterol in the TST. The % DID values are as follows: FST: 39.27% (10 mg/kg), 51.23% (20 mg/kg), and 57.48% (30 mg/kg); TST: 31.63% (10 mg/kg), 43.95% (20 mg/kg), and 53.38% (30 mg/kg). These results indicate that Beta-Sitosterol has a significant antidepressant activity in mice during the FST and TST. Moreover, Beta-Sitosterol exhibits the antidepressant effect in a dose-dependent manner[3].

存储条件: Powder: -20°C for 3 years | In solvent: -80°C for 1 year

溶解度: Ethanol : 3.32 mg/mL(8 mM)
DMSO : Insoluble


关键字: SKF-14463 | SKF14463 | BetaSitosterol | Beta Sitosterol | b-Sitosterol

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注：该产品未在中华人民共和国食品药品监督管理部门申请医疗器械注册和备案，不可用于临床诊断或治疗等相关用途