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    Ginsenoside Rg5

    产品编号 CFN92643
    CAS编号 186763-78-0
    分子式 = 分子量 C42H70O12 = 767.0
    产品纯度 >=98%
    物理属性 Powder
    化合物类型 Triterpenoids
    植物来源 The roots of Panax ginseng C. A. Mey.
    产品名称 产品编号 CAS编号 包装 QQ客服
    人参皂苷Rg5 CFN92643 186763-78-0 1mg QQ客服:2056216494
    人参皂苷Rg5 CFN92643 186763-78-0 5mg QQ客服:2056216494
    人参皂苷Rg5 CFN92643 186763-78-0 10mg QQ客服:2056216494
    人参皂苷Rg5 CFN92643 186763-78-0 20mg QQ客服:2056216494
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  • Universidade do Porto (Portugal)
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  • Shanghai Institute of Organic Chemistry (China)
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  • 生物活性
    Description: Ginsenoside Rg5 plays a novel role as an IGF-1R agonist, promoting therapeutic angiogenesis and improving hypertension without adverse effects in the vasculature, it can ameliorate lung inflammation possibly by inhibiting the binding of LPS to toll-like receptor (TLR)-4 on macrophages. Ginsenoside Rg5 blocks cell cycle of SK-HEP-1 cells at the Gl/S transition phase by down-regulating cyclin E-dependent kinase activity and that the down-regulation of cyclin E-dependent kinase activity is caused mainly by induced CDK2 inhibitor, p21Cip/WAF1 and decreased levels of cyclin E.
    Targets: TNF-α | IL Receptor | AChR | COX | NOS | Beta Amyloid | ERK | FAK | Akt | MMP(e.g.TIMP) | NF-kB | AP-1 | ROS | HO-1 | TLR | CDK | p21
    In vitro:
    Int Immunopharmacol. 2012 Jan;12(1):110-6.
    Ginsenoside Rg5 ameliorates lung inflammation in mice by inhibiting the binding of LPS to toll-like receptor-4 on macrophages.[Pubmed: 22107725]
    Heating and steaming processes have been applied to various natural medicines for either enhancing or altering their pharmacological activities, and the chemical compositions of the active components. While ginsenoside Rb1, which is the major constituent of raw ginseng, has been studied extensively for its anti-inflammatory effect, the biological activity of ginsenoside Rg5, a major constituent of steamed ginseng, remains to be explored.
    Here, we isolated Rg5 and examined anti-inflammatory effect in lipopolysaccharide (LPS)-stimulated macrophages and on LPS-induced lung inflammation. Rg5 inhibited the expression of proinflammatory cytokines, IL-1β and TNF-α, as well as inflammatory enzymes, COX-2 and iNOS in LPS-stimulated alveolar macrophages. Rg5 also reduced LPS-induced phosphorylation of IL-1 receptor-associated kinases (IRAK)-1 and IKK-β, as well as the degradation of IRAK-1 and IRAK-4. Rg5 inhibited the phosphorylation of NF-κB as well as the translocation of p65 into the nucleus. When macrophages were treated with Alexa Fluor 594-conjugated LPS in the presence of Rg5, the fluorescence intensity of LPS observed outside the cell membrane was lower than that in LPS-stimulated alveolar macrophages alone. Rg5, inhibited the levels of protein and neutrophils in bronchoalveolar lavage fluid of LPS-stimulated mice, as well as pro-inflammatory cytokines, TNF-α and IL-1β. Rg5 also inhibited iNOS and COX expressions, and NF-κB activation in LPS-stimulated lung inflammation of mice. The inhibitory effect of Rg5 (10 mg/kg) was comparable to that of dexamethasone (5 mg/kg).
    Based on these findings, Rg5 can ameliorate lung inflammation possibly by inhibiting the binding of LPS to toll-like receptor (TLR)-4 on macrophages.
    In vivo:
    Int Immunopharmacol. 2014 Apr;19(2):317-26.
    Ginsenoside Rg5 improves cognitive dysfunction and beta-amyloid deposition in STZ-induced memory impaired rats via attenuating neuroinflammatory responses.[Pubmed: 24503167]
    Neuroinflammatory responses play a crucial role in the pathogenesis of Alzheimer's disease (AD). Ginsenoside Rg5 (Rg5), an abundant natural compound in Panax ginseng, has been found to be beneficial in treating AD.
    In the present study, we demonstrated that Ginsenoside Rg5 improved cognitive dysfunction and attenuated neuroinflammatory responses in streptozotocin (STZ)-induced memory impaired rats. Cognitive deficits were ameliorated with Ginsenoside Rg5 (5, 10 and 20mg/kg) treatment in a dose-dependent manner together with decreased levels of inflammatory cytokines TNF-α and IL-1β (P<0.05) in brains of STZ rats. Acetylcholinesterase (AChE) activity was also significantly reduced by Ginsenoside Rg5 whereas choline acetyltransferase (ChAT) activity was remarkably increased in the cortex and hippocampus of STZ-induced AD rats (P<0.05). Western blot analysis also demonstrated that Ginsenoside Rg5 increased remarkably BDNF and IGF-1 expressions whereas decreased significantly Aβ deposits (P<0.05). Furthermore, it was observed that the expressions of COX-2 and iNOS were significantly up-regulated in STZ-induced AD rats and down-regulated strongly (P<0.05) by Ginsenoside Rg5 compared with control rats. These data demonstrated that STZ-induced learning and memory impairments in rats could be improved by Ginsenoside Rg5, which was associated with attenuating neuroinflammatory responses.
    Our findings suggested that Ginsenoside Rg5 could be a beneficial agent for the treatment of AD.
    J Biol Chem. 2015 Jan 2;290(1):467-77.
    Specific activation of insulin-like growth factor-1 receptor by ginsenoside Rg5 promotes angiogenesis and vasorelaxation.[Pubmed: 25391655 ]
    Ginsenoside Rg5 is a compound newly synthesized during the steaming process of ginseng; however, its biological activity has not been elucidated with regard to endothelial function.
    We found that Rg5 stimulated in vitro angiogenesis of human endothelial cells, consistent with increased neovascularization and blood perfusion in a mouse hind limb ischemia model. Rg5 also evoked vasorelaxation in aortic rings isolated from wild type and high cholesterol-fed ApoE(-/-) mice but not from endothelial nitric-oxide synthase (eNOS) knock-out mice. Angiogenic activity of Rg5 was highly associated with a specific increase in insulin-like growth factor-1 receptor (IGF-1R) phosphorylation and subsequent activation of multiple angiogenic signals, including ERK, FAK, Akt/eNOS/NO, and Gi-mediated phospholipase C/Ca(2+)/eNOS dimerization pathways. The vasodilative activity of Rg5 was mediated by the eNOS/NO/cGMP axis. IGF-1R knockdown suppressed Rg5-induced angiogenesis and vasorelaxation by inhibiting key angiogenic signaling and NO/cGMP pathways. In silico docking analysis showed that Rg5 bound with high affinity to IGF-1R at the same binding site of IGF. Rg5 blocked binding of IGF-1 to its receptor with an IC50 of ∼90 nmol/liter. However, Rg5 did not induce vascular inflammation and permeability.
    These data suggest that Rg5 plays a novel role as an IGF-1R agonist, promoting therapeutic angiogenesis and improving hypertension without adverse effects in the vasculature.
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 1.3038 mL 6.5189 mL 13.0378 mL 26.0756 mL 32.5945 mL
    5 mM 0.2608 mL 1.3038 mL 2.6076 mL 5.2151 mL 6.5189 mL
    10 mM 0.1304 mL 0.6519 mL 1.3038 mL 2.6076 mL 3.2595 mL
    50 mM 0.0261 mL 0.1304 mL 0.2608 mL 0.5215 mL 0.6519 mL
    100 mM 0.013 mL 0.0652 mL 0.1304 mL 0.2608 mL 0.3259 mL
    * Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
    产品名称 产品编号 CAS编号 分子式 = 分子量 位单 联系QQ
    达玛二烯醇乙酸酯; Dammaradienyl acetate CFN98874 52914-31-5 C32H52O2 = 468.8 5mg QQ客服:1457312923
    人参皂苷Rk2; Ginsenoside Rk2 CFN92818 364779-14-6 C36H60O7 = 604.9 10mg QQ客服:1457312923
    人参皂苷Rk1; Ginsenoside Rk1 CFN92644 494753-69-4 C42H70O12 = 767.0 20mg QQ客服:3257982914
    人参皂苷Rh3; Ginsenoside Rh3 CFN99972 105558-26-7 C36H60O7 = 604.86 20mg QQ客服:3257982914
    人参皂苷Rg5; Ginsenoside Rg5 CFN92643 186763-78-0 C42H70O12 = 767.0 10mg QQ客服:2932563308
    人参皂苷Rk3; Ginsenoside Rk3 CFN92593 364779-15-7 C36H60O8 = 620.9 10mg QQ客服:1413575084
    人参皂苷Rg6; Ginsenoside Rg6 CFN90565 147419-93-0 C42H70O12 = 766.5 10mg QQ客服:1413575084
    人参皂苷Rh4; Ginsenoside Rh4 CFN92594 174721-08-5 C36H60O8 = 620.9 10mg QQ客服:2932563308
    人参皂苷Rg4; Ginsenoside Rg4 CFN90572 126223-28-7 C42H70O12 = 767.0 5mg QQ客服:3257982914
    3-乙酰氧基-24-羟基达玛-20,25-二烯; 3-Acetoxy-24-hydroxydammara-20,25-diene CFN99477 143519-04-4 C32H52O3 = 484.8 5mg QQ客服:1413575084





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