咖啡醇 T5727

Product Introduction
Bioactivity


英文名: CAFESTOL

描述: Cafestol 是咖啡特有的一种二萜，可靶向 AP-1 抑制ERK，有化学预防、抗肿瘤、保肝、抗氧化和抗炎作用。它通过抑制NF-kB 活化途径强烈的抑制 PGE2的产生，还抑制 LGE 激活的 RAW264.7 细胞中的PGE2产生和环氧合酶(COX-2)的 mRNA 表达。

动物实验: Cafestol can postpone development of T2D in KKAy mice. Forty-seven male KKAy mice were randomized to consume chow supplemented daily with either 1.1 (high), 0.4 (low), or 0 (control) mg of cafestol for 10 weeks. Collected blood samples for fasting glucose, glucagon, and insulin as well as liver, muscle, and fat tissues for gene expression analysis. Isolated islets of Langerhans and measured insulin secretory capacity. After 10 weeks of intervention, fasting plasma glucose was 28-30% lower in cafestol groups compared with the control group (p < 0.01). Fasting glucagon was 20% lower and insulin sensitivity improved by 42% in the high-cafestol group (p < 0.05). Cafestol increased insulin secretion from isolated islets by 75-87% compared to the control group (p < 0.001)[2].

体外活性: The precise molecular mechanism of the antiinflammatory activity of cafestol in terms of prostaglandin E(2) (PGE(2)) production, a critical factor involved in inflammatory responses. Cafestol inhibited both PGE(2) production and the mRNA expression of cyclooxygenase (COX)-2 from lipopolysaccharide (LPS)-treated RAW264.7 cells. This compound strongly decreased the translocation of c-Jun into the nucleus and AP-1 mediated luciferase activity. In kinase assays using purified extracellular signal-regulated kinase 2 (ERK2) or immunoprecipitated ERK prepared from LPS-treated cells in the presence or absence of cafestol, it was found that this compound can act as an inhibitor of ERK2 but not of ERK1 and mitogen-activated protein kinase kinase 1 (MEK 1). Suggest that cafestol may be a novel ERK inhibitor with AP-1-targeted inhibitory activity against PGE(2) production in LPS-activated RAW264.7 cells[1].

体内活性: CAFESTOL possesses antidiabetic properties in KKAy mice. Consequently, cafestol may contribute to the reduced risk of developing T2D in coffee consumers and has a potential role as an antidiabetic drug[2].

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

溶解度: DMSO : 5 mg/mL (15.8 mM)


关键字: Inhibitor | ERK | CAFESTOL | Nuclear factor-kappaB | NF-κB | Cyclooxygenase | PGE synthase | Nuclear factor-κB | COX | Prostaglandin E synthase | inhibit | Extracellular signal regulated kinases

相关产品: Physalin A | Peonidin chloride | trans-Zeatin | Cornuside | Enniatin B1 | ERK1/2 inhibitor 1 | Manassantin B | 2-Hydroxy-3-methylanthraquinone | DMU-212 | Patritumab

相关库: Terpene Natural Product Library | NF-κB Signaling Compound Library | Selected Plant-Sourced Compound Library | Antidepressant Compound Library | Human Metabolite Library | Inhibitor Library | Kinase Inhibitor Library | Anti-Diabetic Compound Library | Anti-Cancer Active Compound Library | Traditional Chinese Medicine Monomer Library

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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